CN107270420A - The control method of air conditioner, the control device of air conditioner and air conditioner - Google Patents
The control method of air conditioner, the control device of air conditioner and air conditioner Download PDFInfo
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- CN107270420A CN107270420A CN201710607943.4A CN201710607943A CN107270420A CN 107270420 A CN107270420 A CN 107270420A CN 201710607943 A CN201710607943 A CN 201710607943A CN 107270420 A CN107270420 A CN 107270420A
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- air conditioner
- equal
- coil pipe
- heating element
- defrost
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- 238000000034 method Methods 0.000 title claims abstract description 95
- 238000010438 heat treatment Methods 0.000 claims abstract description 490
- 238000001514 detection method Methods 0.000 claims description 37
- 238000004378 air conditioning Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 11
- 230000002045 lasting effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 69
- 238000010257 thawing Methods 0.000 abstract description 26
- 239000003507 refrigerant Substances 0.000 description 43
- 230000008569 process Effects 0.000 description 37
- 230000000694 effects Effects 0.000 description 35
- 230000005494 condensation Effects 0.000 description 16
- 238000009833 condensation Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 11
- 125000004122 cyclic group Chemical group 0.000 description 11
- 230000007423 decrease Effects 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000005457 ice water Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a kind of control method of air conditioner, the control device and air conditioner of air conditioner, air conditioner includes outdoor heat exchanger, and it includes being provided with heating element heater in coil pipe, coil pipe, and the control method of air conditioner includes：The temperature of the coil pipe is detected once every prefixed time interval a, and the thermograph for the coil pipe that ith is detected is Ti, and when i is more than b, according to Ti+b‑TiWith Ti‑Ti‑bDifference control the opening and closing of the heating element heater；Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is the integer more than or equal to 1, and b is the natural number more than or equal to 2.The program can utilize heating component pre-add hot coil before defrost, prevent frosting, and during defrost, accelerate defrost speed, and after air conditioner defrost terminates, continue heating coil, so as to by the frozen water emptying of thawing, reduce the possibility of frozen water frosting again.
Description
Technical field
The present invention relates to household appliance technical field, more specifically, it is related to a kind of control method of air conditioner, the control of air conditioner
Device and air conditioner processed.
Background technology
At present, air conditioner in a heating mode, is particularly in the relatively low environment of outdoor temperature in the winter time in use, its coil pipe
Temperature it is lower than the temperature of external environment, therefore the steam of external environment can condense on outdoor heat exchanger and form frost, especially
It is that, when the humidity of outdoor air is relatively large, the frosting problem of outdoor heat exchanger can be more serious, and frosting can reduce outdoor
The air quantity of heat exchanger heat exchange, causes the heat transfer effect of outdoor heat exchanger to be deteriorated, and influences the heat exchange property of whole air conditioner.And in order to
Ensure heating effect, one side needs to reduce frosting as far as possible, on the other hand need to carry out outdoor heat exchanger defrost, and simultaneously add
Fast defrost speed, by the frozen water emptying on the chassis of air-conditioner outdoor unit, and method more typical at present is to utilize air conditioner
Four-way valve commutation so that air conditioner switches to refrigeration mode from heating mode, so that the HTHP discharged using compressor
Refrigerant enter outdoor heat exchanger, melt the frost on outdoor heat exchanger, the cycle of this traditional defrosting method is long, serious shadow
Ring the heating effect and stability of air conditioner.
Therefore, defrost speed can be accelerated by how designing one kind, shorten the defrost cycle, and effect is heated with improve air conditioner
The control method and air conditioner of the air conditioner of fruit turn into current urgent problem to be solved.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
The present invention is based on above mentioned problem, and there is provided a kind of control method of air conditioner.
It is still another object of the present invention to provide a kind of control device of air conditioner.
A further object of the present invention is that there is provided a kind of air conditioner of the control device including above-mentioned air conditioner.
To achieve the above object, first aspect present invention embodiment provides a kind of control method of air conditioner, for sky
Device is adjusted, the air conditioner includes outdoor heat exchanger, and the outdoor heat exchanger includes being provided with heating unit in coil pipe, the coil pipe
Part, wherein, the control method of the air conditioner includes：The temperature of the coil pipe is detected once every prefixed time interval a, and will
The thermograph of the coil pipe of ith detection is Ti, and when i is more than b, according to Ti+b-TiWith Ti-Ti-bDifference control institute
State the opening and closing of heating element heater；Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is big
In the integer equal to 1, b is the natural number more than or equal to 2.
The control method for the air conditioner that embodiments in accordance with the present invention are provided, can set one in the coil pipe of outdoor heat exchanger
Individual heating element heater, so as to by heating element heater come heating coil, and be spaced at preset timed intervals a detect coil pipe temperature, and will
The thermograph of the coil pipe detected every time is T1、T2、T3... Tn, wherein, n is the integer more than or equal to 3, just can be constantly
The temperature of coil pipe is got, and then can be calculated according to the temperature of coil pipe in same time interval, the temperature change value of coil pipe,
That is Ti+b-TiWith Ti-Ti-b, and Ti+b-TiWith Ti-Ti-bDifference can embody the change speed of coil temperature, and the temperature of coil pipe
Degree does not have frosting constant in air conditioner, and in Frost formation process, its temperature can be more and more lower, and temperature drop can increasingly
It hurry up, and after the completion of defrost, its temperature meeting more and more higher, and temperature rise ground can be more and more faster, therefore, passes through Ti+b-TiWith Ti-
Ti-bDifference just can reflect which kind of air-conditioning implement body be in stage exactly, specifically, such as in the frosting stage, or place
In the defrost stage, or defrost is completed, therefore, just can be actually needed in each stage correspondence and is turned on and off heating unit
Part, so as to, to reduce defrost number of times, shorten defrost cycle, raising heating effect, be protected come heating coil using heating element heater
The stable operation of air conditioner is demonstrate,proved, and then improves the usage experience of user.Wherein, specifically this kind is set, on the one hand can be in room
When external heat exchanger starts frosting, heating element heater is opened, with heating coil, to slow down frosting velocity, on the other hand this kind is set also
Heating element heats coil pipe can be opened during defrost, so as in refrigerant defrost cyclic process, by refrigerant plus
Heat, so that refrigerant can distribute more heats after behaving, sets and will can add to carry out large area defrost, i.e. this kind
Thermal element and the normal defrosting function of air conditioner are combined, so as to improve defrost efficiency, shorten the defrost time, so that
Frost on outdoor heat exchanger can be quickly melted.Certainly, it can also be then turned on adding after the normal defrost of air conditioner is completed
Thermal element, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
In addition, the control method of the air conditioner provided according to the above embodiment of the present invention also has following supplementary technology special
Levy：
In the above-mentioned technical solutions, it is preferable that described according to Ti+b-TiWith Ti-Ti-bDifference control the heating element heater
Opening and closing is specifically included：Judge Ti+b-TiWhether T is less thani-TI-b,And judging Ti+b-Ti＜ Ti-Ti-bWhen, open the heating unit
Part, so that coil pipe described in the heating element heats.
In those technical schemes, the temperature of coil pipe is not when having frosting, and its temperature keeps constant, and only is starting to connect
When white, its temperature can gradually be begun to decline, and frost is when tying more and more, its temperature can decline it is more and more faster, therefore when judging
Ti+b-Ti＜ Ti-Ti-bWhen, that is, illustrating the temperature of coil pipe reduces increasingly faster, thus can judge that frost starts to condense in room
On external heat exchanger, and the reduction of the temperature of coil pipe is result in the reason for just because of frosting, therefore, now open heating unit
Part, to slow down the rate of set of frost, and then can extend frost condensation on heat exchangers using heating element heater come heating coil
Time, reduce frost condense amount, to ensure heating effect, further, since slowed down frost rate of set, therefore, identical
A period of time in, just can reduce the number of times of outdoor heat exchanger frosting, to reduce defrost number of times, improve heating effect, it is ensured that
The stable operation of air-conditioner system, improves the usage experience of user.
Wherein it is preferred to, can reasonable selection b parameter so that, the temperature of coil pipe meets Ti+b-Ti＜ Ti-Ti-bWhen, air-conditioning
Device starts frosting or just frosting.
In the above-mentioned technical solutions, it is preferable that the control method of air conditioner also includes：It is described according to Ti+b-TiWith Ti-Ti-b
Difference control the opening and closing of the heating element heater to specifically include：Judge Ti+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to
First preset duration, and judging Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to first preset duration when, open
The heating element heater, so that coil pipe described in the heating element heats.
In the technical scheme, in Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to the first preset duration, such as 2a or
At 2 minutes to 10 minutes, that is, illustrate, continue in two prefixed time intervals, it is increasingly faster that the temperature of coil pipe declines, thus
It can illustrate, it is more and more that frost condenses, and now, air conditioner need to typically open defrost program and carry out defrost, therefore,
Now, heating element heater can be opened during air conditioner starts defrost by opening heating element heater, with heating coil, so as to
The frost of the condensation outside outdoor heat exchanger is enough heated using coil pipe or refrigerant is heated so as in refrigerant defrost cyclic process
In, refrigerant is heated, so that refrigerant can distribute more heats after behaving, to carry out large area defrost, i.e. this kind
Heating element heater and the normal defrosting function of air conditioner can be combined by setting, so as to improve defrost efficiency, shorten defrost
Time, so that the frost on outdoor heat exchanger can be quickly melted, and then it is able to ensure that the heat exchange of outdoor heat exchanger
Efficiency, to ensure the heating effect of air conditioner.
Wherein it is preferred to, can reasonable selection b parameter so that, the temperature of coil pipe meets Ti+b-Ti＜ Ti-Ti-bContinue
When time is more than or equal to the first preset duration, air conditioner starts frosting or just frosting.
In any of the above-described technical scheme, it is preferable that the control method of the air conditioner, in addition to：Detect the coil pipe
Temperature, and judge that whether the temperature of the coil pipe starts the temperature of defrost, and judging the disk less than or equal to air conditioner
When the temperature of pipe starts the temperature of defrost less than or equal to air conditioner, the heating element heater is opened, so that the heating element heats
The coil pipe.
In those technical schemes, when judging that the temperature of coil pipe starts the temperature of defrost less than or equal to air conditioner, that is, say
Bright air conditioner has switched to defrost pattern, now, opens heating element heater, can be opened during air conditioner starts defrost
Heating element heater is opened, with heating coil, so as to heat the frost of the condensation outside outdoor heat exchanger using coil pipe or heat cold
Matchmaker is so as in refrigerant defrost cyclic process, refrigerant be heated, so that refrigerant can be distributed more after behaving
Heat, sets to carry out large area defrost, i.e. this kind and can be combined heating element heater and the normal defrosting function of air conditioner, with
Just defrost efficiency can be improved, shortens the defrost time, so that the frost on outdoor heat exchanger can be quickly melted, and then
The heat exchange efficiency of outdoor heat exchanger is able to ensure that, to ensure the heating effect of air conditioner.
In any of the above-described technical scheme, it is preferable that described according to Ti+b-TiWith Ti-Ti-bDifference control the heating unit
The opening and closing of part is specifically included：Judge Ti+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to the second preset duration, and
Judging Ti+b-Ti＞ Ti-Ti-bDuration when being more than or equal to the second preset duration, the heating element heater is opened, so that institute
State coil pipe described in heating element heats.
In those technical schemes, after air conditioner starts defrost pattern, the frost on outdoor heat exchanger can be fewer and fewer, because
This, the temperature meeting more and more higher of coil pipe, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to the second preset duration
When, you can illustrate, the temperature of coil pipe within a period of time persistently it is elevated increasingly sooner, therefore, you can show that outdoor is changed
It is similar that frost on hot device has been changed, and therefore, now, air conditioner can exit defrost pattern, and now open heating unit
Part, can open heating element heater after the normal defrost of air conditioner is completed, so as to using heating element heater by the frozen water after thawing
Drain, to reduce the possibility of frozen water frosting again.
In any of the above-described technical scheme, it is preferable that the control method of the air conditioner also includes：Detect the coil pipe
Temperature, and when the temperature for judging the coil pipe exits the temperature of defrost more than or equal to air conditioner, the heating element heater is opened,
So that coil pipe described in the heating element heats.
In those technical schemes, when judging that the temperature of coil pipe exits the temperature of defrost more than or equal to air conditioner, that is, say
Bright air conditioner has logged out defrost pattern, and now opens heating element heater, can be opened after the normal defrost of air conditioner is completed
Heating element heater, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
In any of the above-described technical scheme, it is preferable that the control method of air conditioner also includes：Opening the heating element heater
Heat after the preset duration of coil pipe the 3rd, close the heating element heater.
, can be after any stage opens heating element heats coil pipe for a period of time, by heating unit in those technical schemes
Part is closed, so that heating element heater can be automatically stopped heating, wherein it is preferred to, the heating opportunity that can be opened according to heating element heater,
The heating duration of heating element heater is rationally set, specifically, such as, at air conditioner frosting initial stage, that is, T is judgedi+b-Ti＜ Ti-Ti-b
When opening heating element heater afterwards, the 3rd preset duration can be disposed greater than being less than or equal in the range of 30min equal to 20min,
Or it is further preferred that the 3rd preset duration is arranged to 25min, because air conditioner is since beginning frosting defrost to
Time interval is about 30 minutes or so, therefore, and this kind, which is set, to allow heating element heater before air conditioner starts defrost pattern
Stop heating a period of time, with avoid heating element heater for a long time be in heated condition, and then can prevent heating element heater because it is long when
Between work and damage, meanwhile, this kind set, additionally it is possible to rationally set heating element heater heat time, to reduce the energy of air conditioner
Consumption.And during air conditioner defrost, that is, judge Ti+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to first it is default when
After length, when opening heating element heater, the 3rd preset duration can be disposed greater than being equal to the scope that 9min is less than or equal to 15min
It is interior, or it is further preferred that the 3rd preset duration is arranged to 12min, because the defrost time of air conditioner is general 15
Minute or so, therefore, this kind is set can allow heating element heater to stop heating a period of time before air conditioner exits defrost pattern,
So as to when needing to continue heating coil after air conditioner exits defrost pattern, just enable heating element heater to add in each needs
Interval heating in the interval of heat, and then heating element heater can be prevented in running order for a long time, it is thus possible to prevent heating unit
Part is damaged because working long hours.Wherein, after air conditioner exits defrost pattern, that is, T is judgedi+b-Ti＞ Ti-Ti-bHold
The continuous time is more than or equal to after the second preset duration, when continuing heating coil, the 3rd preset duration can be disposed greater than into 0min
In the range of 5min, or it is further preferred that the 3rd preset duration is arranged into 3min, this kind is arranged on defrost knot
Shu Hou, i.e., can drain frozen water and in time can close heating element heater after frozen water is drained, to save energy consumption.
Wherein it is preferred to, first preset duration is less than or equal to second preset duration.
In the above-mentioned technical solutions, it is preferable that the control method of air conditioner also includes：Judge Ti+b-TiMore than or equal to Ti-
Ti-bDuration whether be more than or equal to the 4th preset duration, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than etc.
When four preset durations, the heating element heater is closed；Wherein, the 4th preset duration is equal to the second preset duration and the 5th
Preset duration sum.
In the technical scheme, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater
Heating coil, and ensure that heating element heater is always on during frosting defrost, and air conditioner judges Ti+b-Ti＞ Ti-Ti-b
Duration be more than or equal to the second preset duration when, air conditioner exits defrost pattern, and now be further continued for control heating element heater
The preset duration of heating coil the 5th, frozen water is preferably 3 minutes, can be drained, prevent frozen water from condensing again.This kind of scheme, can
In frosting to defrost, then during the entire process of terminating to defrost, heating element heater is opened always, so that heating element heater can be in knot
Frost is to defrost, then during the entire process of terminating to defrost, can heating coil, this kind, which is set, can accelerate defrost speed, contract
In the short defrost cycle, control workload of the air conditioner to heating element heater is reduced, and then heating effect can be improved.
In another technical scheme, the control method of air conditioner also includes：The temperature of the coil pipe is detected, and judges institute
Whether the duration for the temperature that the temperature for stating coil pipe exits defrost more than or equal to air conditioner is more than or equal to the 5th preset duration, and
The duration for being more than or equal to the temperature that air conditioner exits defrost in the temperature for judging the coil pipe is more than or equal to the 5th and preset
During duration, the heating element heater is closed.
In the technical scheme, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater
Heating coil, and ensure that heating element heater is always on during frosting defrost, until the temperature of coil pipe is moved back more than air conditioner
Go out the temperature of defrost pattern, and exited in the temperature of coil pipe more than air conditioner after the temperature of defrost pattern, can allow heating element heater
Continue the preset duration of heating coil the 5th, preferably 3 minutes, heating element heater is turned off afterwards, so as to which frozen water is drained, prevent
Stagnant ice water condenses again.This kind of scheme can be in frosting to defrost, then during the entire process of terminating to defrost, always by heating element heater
Open so that heating element heater can in frosting to defrost, then during the entire process of terminating to defrost, can heating coil, should
Defrost speed can be accelerated by planting setting, shorten the defrost cycle, reduce control workload of the air conditioner to heating element heater, and then can
Improve heating effect.
In any of the above-described technical scheme, it is preferable that the control method of air conditioner also includes：Every prefixed time interval
A detections once before the temperature of the coil pipe, detect the air conditioner after this starting up, the air conditioner starts defrost
The number of starts N of program, and in N >=1, and a-0.5N is when being more than or equal to e, and prefixed time interval a is entered as into a-0.5N；Its
In, N initial value is that 0, N is the integer more than or equal to 0, and e is more than or equal to 0 and less than or equal to a.
In those technical schemes, start every time into a cycle of closing in air conditioner, can often open a defrost
The number of starts N of defrost program value is just added 1 by program, and after air conditioner completes a defrost, the temperature of adjustment detection coil pipe
The prefixed time interval a of degree value, i.e., be entered as a-0.5N, and carry out the temperature of coil pipe according to a after assignment again again by a
The detection of degree.This kind is set, in the same start process once of air conditioner, when if desired carrying out multiple defrost, by by head
Prefixed time interval after secondary defrost is sequentially reduced, and can more accurately detect the white condensation situation on outdoor heat exchanger, with
Just carry out defrost that can be much sooner, with prevent it is white excessively condense, meanwhile, this kind of defrost mode is compared to existing defrost side
For formula, fluctuations in indoor temperature is small during its defrost, it is thus possible to improve Consumer's Experience.Wherein, specifically, such as, it is equal to 2 in a
Minute when, during first time defrost after air conditioner starting up, N is equal to 0, therefore, and coil pipe can be detected at intervals of two minutes
Temperature, and in second of defrost of air conditioner, N is equal to 1, therefore, the temperature of a coil pipe can be detected every 1.5 minutes.
In any of the above-described technical scheme, it is preferable that the control method of air conditioner also includes：In N >=1, and a-0.5N is small
When e, prefixed time interval is kept constant.
In those technical schemes, in the continuous assignment of a, a can be gradually reduced, and small to after a particular value in a, just no longer
A value is adjusted by defrost number of times, but a value is kept into the value of last time assignment, so on the one hand a quilts can be prevented
Assignment is on the other hand too small in follow-up value prevented also from a into negative, and causes time interval too short.Wherein, specifically, than
Such as, it is equal to 2 minutes in a, when e is equal to 1, during first time defrost after air conditioner starting up, N is equal to 0, therefore, can be every 2
Minute is detected once and records the temperature of coil pipe, and in second of defrost of air conditioner, N is equal to 1, therefore, can be every 1.5 minutes
The temperature of a coil pipe is detected and records, and when N is equal to 4, now, a-0.5N is equal to 0, and 0 is less than e, therefore, just not to a
Assignment again is carried out, so that a keeps constant, and a has been assigned into 0.5 (a-0.5N=0.5), therefore, in N when N is equal to 3
Just it is the temperature for detecting and recording a coil pipe every 0.5 minute during more than or equal to 4.
In any of the above-described technical scheme, it is preferable that the control method of the air conditioner also includes：Closed in the air conditioner
During machine or in the air conditioner starting up, the number of starts N is reset, and the prefixed time interval a is resetted.
In those technical schemes, when air conditioner is turned off or on, prefixed time interval a value can be reset to initially
Value, while the number of starts N that air conditioner starts defrost program is reset into zero, this kind, which is set, causes air conditioner in opening each time
In machine start-up course, its parameter is started counting up from first knowledge value, so that air conditioner each time can after starting up
Separate completion defrost, and be unlikely to have influence on defrost work when starting shooting next time because of the starting up of last time
Make.
Wherein it is preferred to, the prefixed time interval a is more than or equal to 3min and is less than or equal to 5min, it is further preferred that institute
Prefixed time interval a is stated equal to 2min.
In those technical schemes, a value can be chosen according to actual conditions, specifically, for frequency changer, a is preferred
Equal to 2 minutes, and for determining frequency machine, it is preferable that a is more than or equal to 3 and is less than or equal to 5 minutes.
Wherein it is preferred to, the temperature that the air conditioner starts defrost is more than or equal to minus 15 DEG C less than or equal to minus 10 DEG C, or institute
State air conditioner and start the temperature of defrost equal to minus 12 DEG C.
In those technical schemes, the temperature that air conditioner starts defrost is difficult too small, otherwise can cause air conditioner defrost not
In time, i.e., defrost is later, so as to can cause, frosting is obvious on outdoor heat exchanger, thus can reduce the heat exchange effect of outdoor heat exchanger
Rate, and the temperature that air conditioner starts defrost is difficult excessive, and air conditioner defrost otherwise can be caused more early, i.e., can cause it is not necessary to change
Defrost is begun to when white, and then defrost can be caused frequently, thus is unfavorable for Consumer's Experience.It is therefore preferred that air conditioner beginning
The temperature of frost is more than or equal to minus 15 DEG C and is less than or equal to minus 10 DEG C, further, it is preferable that the temperature that air conditioner starts defrost takes minus 12
℃。
In any of the above-described technical scheme, it is preferable that the temperature that the air conditioner exits defrost is less than more than or equal to 10 DEG C
Equal to 20 DEG C, or the air conditioner exits the temperature of defrost equal to 15 DEG C.
In those technical schemes, air conditioner exits the temperature of defrost, and as air conditioner terminates the temperature of defrost, therefore,
The temperature that air conditioner exits defrost is difficult excessive, the frost on outdoor heat exchanger otherwise can be caused all except being over, air conditioner is also all the time
In defrost state, thus the defrost time can be extended, be unfavorable for Consumer's Experience, but air conditioner exits the temperature of defrost and was not easy to
It is small, otherwise can be when frost be without having removed, air conditioner just has logged out defrost program, so as to can cause defrost not exclusively, and then leads
Cause the heat exchange efficiency of outdoor heat exchanger low.It is therefore preferred that the temperature that air conditioner exits defrost is less than or equal to more than or equal to 10 DEG C
20 DEG C, further, it is preferable that the temperature that air conditioner exits defrost is equal to 15 DEG C.
In any of the above-described technical scheme, it is preferable that the 5th preset duration is more than or equal to 0min and is less than or equal to 5min,
Or the 5th preset duration is equal to 3min.
In those technical schemes, after defrost terminates, the time that heating element heater is opened is unsuitable long, because melting
Frozen water emptying after, it is nonsensical in heating coil, meanwhile, after defrost terminates, heating element heater open time also should not mistake
Short, the frozen water otherwise melted can not be drained, and can cause frozen water frosting again.Therefore, and the 5th preset duration be more than or equal to 0min
Less than or equal to 5min, it is further preferred that the 5th preset duration is that can drain frozen water and can be arranged in frozen water equal to 3min
Heating element heater is closed in time after to the greatest extent, to save energy consumption.
Wherein it is preferred to, the first preset duration and/or the second preset duration are equal to 2a.
Second aspect of the present invention embodiment provides a kind of control device of air conditioner, for air conditioner, the air conditioner
Including outdoor heat exchanger, the outdoor heat exchanger includes being provided with heating element heater in coil pipe, the coil pipe, wherein, the air-conditioning
The control device of device includes：Detection unit, the temperature for detecting the coil pipe；Control unit, for controlling the detection single
Member detects once the temperature of the coil pipe every prefixed time interval a, and the thermograph for the coil pipe that ith is detected is
Ti, and when i is more than b, according to Ti+b-TiWith Ti-Ti-bDifference control the opening and closing of the heating element heater；Wherein, between preset time
It it is minute every a unit, a is positive number, and i initial value is 1, and i is the integer more than or equal to 1, and b is the nature more than or equal to 2
Number.
The control device for the air conditioner that embodiments in accordance with the present invention are provided, can set one in the coil pipe of outdoor heat exchanger
Individual heating element heater, so as to by heating element heater come heating coil, and be spaced at preset timed intervals a detect coil pipe temperature, and will
The thermograph of the coil pipe detected every time is T1、T2、T3... Tn, wherein, n is the integer more than or equal to 3, just can be constantly
The temperature of coil pipe is got, and then can be calculated according to the temperature of coil pipe in same time interval, the temperature change value of coil pipe,
That is Ti+b-TiWith Ti-Ti-b, and Ti+b-TiWith Ti-Ti-bDifference can embody the change speed of coil temperature, and the temperature of coil pipe
Degree does not have frosting constant in air conditioner, and in Frost formation process, its temperature can be more and more lower, and temperature drop can increasingly
It hurry up, and after the completion of defrost, its temperature meeting more and more higher, and temperature rise ground can be more and more faster, therefore, passes through Ti+b-TiWith Ti-
Ti-bDifference just can reflect which kind of air-conditioning implement body be in stage exactly, specifically, such as in the frosting stage, or place
In the defrost stage, or defrost is completed, therefore, just can be actually needed in each stage correspondence and is turned on and off heating unit
Part, so as to, to reduce defrost number of times, shorten defrost cycle, raising heating effect, be protected come heating coil using heating element heater
The stable operation of air conditioner is demonstrate,proved, and then improves the usage experience of user.Wherein, specifically this kind is set, on the one hand can be in room
When external heat exchanger starts frosting, heating element heater is opened, with heating coil, to slow down frosting velocity, on the other hand this kind is set also
Heating element heats coil pipe can be opened during defrost, so as in refrigerant defrost cyclic process, by refrigerant plus
Heat, so that refrigerant can distribute more heats after behaving, sets and will can add to carry out large area defrost, i.e. this kind
Thermal element and the normal defrosting function of air conditioner are combined, so as to improve defrost efficiency, shorten the defrost time, so that
Frost on outdoor heat exchanger can be quickly melted.Certainly, it can also be then turned on adding after the normal defrost of air conditioner is completed
Thermal element, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
In addition, the control device of the air conditioner provided according to the above embodiment of the present invention also has following supplementary technology special
Levy：
In the above-mentioned technical solutions, it is preferable that described control unit is specifically for judging Ti+b-TiWhether T is less thani-Ti-b,
And judging Ti+b-Ti＜ Ti-Ti-bWhen, the heating element heater is opened, so that coil pipe described in the heating element heats.
In those technical schemes, the temperature of coil pipe is not when having frosting, and its temperature keeps constant, and only is starting to connect
When white, its temperature can gradually be begun to decline, and frost is when tying more and more, its temperature can decline it is more and more faster, therefore when judging
Ti+b-Ti＜ Ti-Ti-bWhen, that is, illustrating the temperature of coil pipe reduces increasingly faster, thus can judge that frost starts to condense in room
On external heat exchanger, and the reduction of the temperature of coil pipe is result in the reason for just because of frosting, therefore, now open heating unit
Part, to slow down the rate of set of frost, and then can extend frost condensation on heat exchangers using heating element heater come heating coil
Time, reduce frost condense amount, to ensure heating effect, further, since slowed down frost rate of set, therefore, identical
A period of time in, just can reduce the number of times of outdoor heat exchanger frosting, to reduce defrost number of times, improve heating effect, it is ensured that
The stable operation of air-conditioner system, improves the usage experience of user.
Wherein it is preferred to, can reasonable selection b parameter so that, the temperature of coil pipe meets Ti+b-Ti＜ Ti-Ti-bWhen, air-conditioning
Device starts frosting or just frosting.
In the above-mentioned technical solutions, it is preferable that described control unit is specifically for judging Ti+b-Ti＜ Ti-Ti-bIt is lasting when
Between whether be more than or equal to the first preset duration, and judging Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to described first
During preset duration, the heating element heater is opened, so that coil pipe described in the heating element heats.
In the technical scheme, in Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to the first preset duration, such as 2a or
At 2 minutes to 10 minutes, that is, illustrate, continue in two prefixed time intervals, it is increasingly faster that the temperature of coil pipe declines, thus
It can illustrate, it is more and more that frost condenses, and now, air conditioner need to typically open defrost program and carry out defrost, therefore,
Now, heating element heater can be opened during air conditioner starts defrost by opening heating element heater, with heating coil, so as to
The frost of the condensation outside outdoor heat exchanger is enough heated using coil pipe or refrigerant is heated so as in refrigerant defrost cyclic process
In, refrigerant is heated, so that refrigerant can distribute more heats after behaving, to carry out large area defrost, i.e. this kind
Heating element heater and the normal defrosting function of air conditioner can be combined by setting, so as to improve defrost efficiency, shorten defrost
Time, so that the frost on outdoor heat exchanger can be quickly melted, and then it is able to ensure that the heat exchange of outdoor heat exchanger
Efficiency, to ensure the heating effect of air conditioner.
Wherein it is preferred to, can reasonable selection b parameter so that, the temperature of coil pipe meets Ti+b-Ti＜ Ti-Ti-bContinue
When time is more than or equal to the first preset duration, air conditioner starts frosting or just frosting.
In any of the above-described technical scheme, it is preferable that described control unit is additionally operable to control the detection unit detection institute
The temperature of coil pipe is stated, and judges that whether the temperature of the coil pipe starts the temperature of defrost, and judging less than or equal to air conditioner
When the temperature of the coil pipe starts the temperature of defrost less than or equal to air conditioner, the heating element heater is opened, so that the heating unit
Part heats the coil pipe.
In those technical schemes, when judging that the temperature of coil pipe starts the temperature of defrost less than or equal to air conditioner, that is, say
Bright air conditioner has switched to defrost pattern, now, opens heating element heater, can be opened during air conditioner starts defrost
Heating element heater is opened, with heating coil, so as to heat the frost of the condensation outside outdoor heat exchanger using coil pipe or heat cold
Matchmaker is so as in refrigerant defrost cyclic process, refrigerant be heated, so that refrigerant can be distributed more after behaving
Heat, sets to carry out large area defrost, i.e. this kind and can be combined heating element heater and the normal defrosting function of air conditioner, with
Just defrost efficiency can be improved, shortens the defrost time, so that the frost on outdoor heat exchanger can be quickly melted, and then
The heat exchange efficiency of outdoor heat exchanger is able to ensure that, to ensure the heating effect of air conditioner.
In any of the above-described technical scheme, it is preferable that described control unit is specifically for judging Ti+b-TiMore than or equal to Ti-
Ti-bDuration whether be more than or equal to the second preset duration, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than etc.
When the second preset duration, the heating element heater is opened, so that coil pipe described in the heating element heats.
In those technical schemes, after air conditioner starts defrost pattern, the frost on outdoor heat exchanger can be fewer and fewer, because
This, the temperature meeting more and more higher of coil pipe, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to the second preset duration
When, you can illustrate, the temperature of coil pipe within a period of time persistently it is elevated increasingly sooner, therefore, you can show that outdoor is changed
It is similar that frost on hot device has been changed, and therefore, now, air conditioner can exit defrost pattern, and now open heating unit
Part, can open heating element heater after the normal defrost of air conditioner is completed, so as to using heating element heater by the frozen water after thawing
Drain, to reduce the possibility of frozen water frosting again.
In any of the above-described technical scheme, it is preferable that described control unit is additionally operable to control the detection unit detection institute
The temperature of coil pipe is stated, and when the temperature for judging the coil pipe exits the temperature of defrost more than or equal to air conditioner, opens described
Heating element heater, so that coil pipe described in the heating element heats.
In those technical schemes, when judging that the temperature of coil pipe exits the temperature of defrost more than or equal to air conditioner, that is, say
Bright air conditioner has logged out defrost pattern, and now opens heating element heater, can be opened after the normal defrost of air conditioner is completed
Heating element heater, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
In any of the above-described technical scheme, it is preferable that empty described control unit is additionally operable to add in the unlatching heating element heater
After the heat preset duration of coil pipe the 3rd, the heating element heater is closed.
, can be after any stage opens heating element heats coil pipe for a period of time, by heating unit in those technical schemes
Part is closed, so that heating element heater can be automatically stopped heating, wherein it is preferred to, the heating opportunity that can be opened according to heating element heater,
The heating duration of heating element heater is rationally set, specifically, such as, at air conditioner frosting initial stage, that is, T is judgedi+b-Ti＜ Ti-Ti-b
When opening heating element heater afterwards, the 3rd preset duration can be disposed greater than being less than or equal in the range of 30min equal to 20min,
Or it is further preferred that the 3rd preset duration is arranged to 25min, because air conditioner is since beginning frosting defrost to
Time interval is about 30 minutes or so, therefore, and this kind, which is set, to allow heating element heater before air conditioner starts defrost pattern
Stop heating a period of time, with avoid heating element heater for a long time be in heated condition, and then can prevent heating element heater because it is long when
Between work and damage, meanwhile, this kind set, additionally it is possible to rationally set heating element heater heat time, to reduce the energy of air conditioner
Consumption.And during air conditioner defrost, that is, judge Ti+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to first it is default when
After length, when opening heating element heater, the 3rd preset duration can be disposed greater than being equal to the scope that 9min is less than or equal to 15min
It is interior, or it is further preferred that the 3rd preset duration is arranged to 12min, because the defrost time of air conditioner is general 15
Minute or so, therefore, this kind is set can allow heating element heater to stop heating a period of time before air conditioner exits defrost pattern,
So as to when needing to continue heating coil after air conditioner exits defrost pattern, just enable heating element heater to add in each needs
Interval heating in the interval of heat, and then heating element heater can be prevented in running order for a long time, it is thus possible to prevent heating unit
Part is damaged because working long hours.Wherein, after air conditioner exits defrost pattern, that is, T is judgedi+b-Ti＞ Ti-Ti-bHold
The continuous time is more than or equal to after the second preset duration, when continuing heating coil, the 3rd preset duration can be disposed greater than into 0min
In the range of 5min, or it is further preferred that the 3rd preset duration is arranged into 3min, this kind is arranged on defrost knot
Shu Hou, i.e., can drain frozen water and in time can close heating element heater after frozen water is drained, to save energy consumption.
Wherein it is preferred to, first preset duration is less than or equal to second preset duration.
In the above-mentioned technical solutions, it is preferable that described control unit is additionally operable to judge Ti+b-TiMore than or equal to Ti-Ti-bHold
Whether the continuous time is more than or equal to the 4th preset duration, and judging Ti+b- Ti ＞ Ti-Ti-bDuration be more than or equal to the 4th
During preset duration, the heating element heater is closed；Wherein, when the 4th preset duration is default equal to the second preset duration and the 5th
Long sum.
In the technical scheme, T can judgedi+b-TiMore than or equal to Ti-Ti-bDuration be more than or equal to it is second pre-
If during duration, being switched on heating element heater, so that heating element heats coil pipe, and ensure heating element heater during frosting defrost
It is always on, and air conditioner judges Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to the second preset duration when, air conditioner is moved back
Go out defrost pattern, and be now further continued for the preset duration of control heating element heats coil pipe the 5th, preferably 3 minutes, can be by ice
Water is drained, and prevents frozen water from condensing again.This kind of scheme, can be in frosting to defrost, then during the entire process of terminating to defrost, always
Heating element heater is opened, so that heating element heater can be in frosting to defrost, then during the entire process of terminating to defrost, can be added
Hot coil, this kind, which is set, can accelerate defrost speed, shorten the defrost cycle, reduce control work of the air conditioner to heating element heater
Amount, and then heating effect can be improved.
In another technical scheme, the control device of air conditioner also includes：It is described that described control unit is additionally operable to detection
The temperature of coil pipe, and be more than in the duration that the temperature for judging the coil pipe is more than or equal to the temperature that air conditioner exits defrost
During equal to five preset durations, the heating element heater is closed.
In the technical scheme, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater
Heating coil, and ensure that heating element heater is always on during frosting defrost, until the temperature of coil pipe is moved back more than air conditioner
Go out the temperature of defrost pattern, and exited in the temperature of coil pipe more than air conditioner after the temperature of defrost pattern, can allow heating element heater
Continue the preset duration of heating coil the 5th, preferably 3 minutes, heating element heater is turned off afterwards, so as to which frozen water is drained, prevent
Stagnant ice water condenses again.This kind of scheme can be in frosting to defrost, then during the entire process of terminating to defrost, always by heating element heater
Open so that heating element heater can in frosting to defrost, then during the entire process of terminating to defrost, can heating coil, should
Defrost speed can be accelerated by planting setting, shorten the defrost cycle, reduce control workload of the air conditioner to heating element heater, and then can
Improve heating effect.
In any of the above-described technical scheme, it is preferable that described control unit is additionally operable to every prefixed time interval a detections
Once before the temperature of the coil pipe, the air conditioner is detected after this starting up, the air conditioner starts defrost program
Number of starts N, and in N >=1, and a-0.5N is when being more than or equal to e, and prefixed time interval a is entered as into a-0.5N；Wherein, N
Initial value is that 0, N is the integer more than or equal to 0, and e is more than or equal to 0 and less than or equal to a.
In those technical schemes, start every time into a cycle of closing in air conditioner, can often open a defrost
The number of starts N of defrost program value is just added 1 by program, and after air conditioner completes a defrost, the temperature of adjustment detection coil pipe
The prefixed time interval a of degree value, i.e., be entered as a-0.5N, and carry out the temperature of coil pipe according to a after assignment again again by a
The detection of degree.This kind is set, in the same start process once of air conditioner, when if desired carrying out multiple defrost, by by head
Prefixed time interval after secondary defrost is sequentially reduced, and can more accurately detect the white condensation situation on outdoor heat exchanger, with
Just carry out defrost that can be much sooner, with prevent it is white excessively condense, meanwhile, this kind of defrost mode is compared to existing defrost side
For formula, fluctuations in indoor temperature is small during its defrost, it is thus possible to improve Consumer's Experience.Wherein, specifically, such as, it is equal to 2 in a
Minute when, during first time defrost after air conditioner starting up, N is equal to 0, therefore, and coil pipe can be detected at intervals of two minutes
Temperature, and in second of defrost of air conditioner, N is equal to 1, therefore, the temperature of a coil pipe can be detected every 1.5 minutes.
In any of the above-described technical scheme, it is preferable that described control unit is additionally operable in N >=1, and a-0.5N be less than e when,
Prefixed time interval is kept constant.
In those technical schemes, in the continuous assignment of a, a can be gradually reduced, and small to after a particular value in a, just no longer
A value is adjusted by defrost number of times, but a value is kept into the value of last time assignment, so on the one hand a quilts can be prevented
Assignment is on the other hand too small in follow-up value prevented also from a into negative, and causes time interval too short.Wherein, specifically, than
Such as, it is equal to 2 minutes in a, when e is equal to 1, during first time defrost after air conditioner starting up, N is equal to 0, therefore, can be every 2
Minute is detected once and records the temperature of coil pipe, and in second of defrost of air conditioner, N is equal to 1, therefore, can be every 1.5 minutes
The temperature of a coil pipe is detected and records, and when N is equal to 4, now, a-0.5N is equal to 0, and 0 is less than e, therefore, just not to a
Assignment again is carried out, so that a keeps constant, and a has been assigned into 0.5 (a-0.5N=0.5), therefore, in N when N is equal to 3
Just it is the temperature for detecting and recording a coil pipe every 0.5 minute during more than or equal to 4.
In any of the above-described technical scheme, it is preferable that described control unit be additionally operable to when the air conditioner shuts down or
During the air conditioner starting up, the number of starts N is reset, and the prefixed time interval a is resetted.
In those technical schemes, when air conditioner is turned off or on, prefixed time interval a value can be reset to initially
Value, while the number of starts N that air conditioner starts defrost program is reset into zero, this kind, which is set, causes air conditioner in opening each time
In machine start-up course, its parameter is started counting up from first knowledge value, so that air conditioner each time can after starting up
Separate completion defrost, and be unlikely to have influence on defrost work when starting shooting next time because of the starting up of last time
Make.
Wherein it is preferred to, the prefixed time interval a is more than or equal to 3min and is less than or equal to 5min, it is further preferred that institute
Prefixed time interval a is stated equal to 2min.
In those technical schemes, a value can be chosen according to actual conditions, specifically, for frequency changer, a is preferred
Equal to 2 minutes, and for determining frequency machine, it is preferable that a is more than or equal to 3 and is less than or equal to 5 minutes.
Wherein it is preferred to, the temperature that the air conditioner starts defrost is more than or equal to minus 15 DEG C less than or equal to minus 10 DEG C, or institute
State air conditioner and start the temperature of defrost equal to minus 12 DEG C.
In those technical schemes, the temperature that air conditioner starts defrost is difficult too small, otherwise can cause air conditioner defrost not
In time, i.e., defrost is later, so as to can cause, frosting is obvious on outdoor heat exchanger, thus can reduce the heat exchange effect of outdoor heat exchanger
Rate, and the temperature that air conditioner starts defrost is difficult excessive, and air conditioner defrost otherwise can be caused more early, i.e., can cause it is not necessary to change
Defrost is begun to when white, and then defrost can be caused frequently, thus is unfavorable for Consumer's Experience.It is therefore preferred that air conditioner beginning
The temperature of frost is more than or equal to minus 15 DEG C and is less than or equal to minus 10 DEG C, further, it is preferable that the temperature that air conditioner starts defrost takes minus 12
℃。
In any of the above-described technical scheme, it is preferable that the temperature that the air conditioner exits defrost is less than more than or equal to 10 DEG C
Equal to 20 DEG C, or the air conditioner exits the temperature of defrost equal to 15 DEG C.
In those technical schemes, air conditioner exits the temperature of defrost, and as air conditioner terminates the temperature of defrost, therefore,
The temperature that air conditioner exits defrost is difficult excessive, the frost on outdoor heat exchanger otherwise can be caused all except being over, air conditioner is also all the time
In defrost state, thus the defrost time can be extended, be unfavorable for Consumer's Experience, but air conditioner exits the temperature of defrost and was not easy to
It is small, otherwise can be when frost be without having removed, air conditioner just has logged out defrost program, so as to can cause defrost not exclusively, and then leads
Cause the heat exchange efficiency of outdoor heat exchanger low.It is therefore preferred that the temperature that air conditioner exits defrost is less than or equal to more than or equal to 10 DEG C
20 DEG C, further, it is preferable that the temperature that air conditioner exits defrost is equal to 15 DEG C.
In any of the above-described technical scheme, it is preferable that the 5th preset duration is more than or equal to 0min and is less than or equal to 5min,
Or the 5th preset duration is equal to 3min.
In those technical schemes, after defrost terminates, the time that heating element heater is opened is unsuitable long, because melting
Frozen water emptying after, it is nonsensical in heating coil, meanwhile, after defrost terminates, heating element heater open time also should not mistake
Short, the frozen water otherwise melted can not be drained, and can cause frozen water frosting again.Therefore, and the 5th preset duration be more than or equal to 0min
Less than or equal to 5min, it is further preferred that the 5th preset duration is that can drain frozen water and can be arranged in frozen water equal to 3min
Heating element heater is closed in time after to the greatest extent, to save energy consumption.
Wherein it is preferred to, the first preset duration and/or the second preset duration are equal to 2a.
The embodiment of third aspect present invention provides a kind of air conditioner, and the air conditioner includes：Outdoor heat exchanger, it is described
Outdoor heat exchanger includes coil pipe；Heating component, in the coil pipe, the heating component includes installing housing and is arranged on
Heating element heater in the mounting shell body；The control device of the air conditioner provided with any one of second aspect embodiment.
The air conditioner that the embodiment of third aspect present invention is provided, including outdoor heat exchanger and heat exchanger installed outdoors
Heating component in coil pipe, and the control device of air conditioner that any one of second aspect embodiment is provided, therefore, with second
The beneficial effect of the control device for the air conditioner that any one of aspect embodiment is provided, will not be repeated here.
In the above-mentioned technical solutions, it is preferable that the installation housing is installing pipe, and the installing pipe is arranged on the coil pipe
It is interior.
In those technical schemes, housing will be preferably installed and be arranged to installing pipe, so that installing pipe and coil pipe being capable of groups
Packaged tube, in order to install the installation of housing, meanwhile, this kind, which is set, can also be arranged on conventional heating tube in installing pipe, with
Used as heating element heater.Meanwhile, this kind of heating component is relatively common, thus be easy to buying, so as to reduce product into
This.
In the above-mentioned technical solutions, it is preferable that the installation housing is U-shaped installing pipe, the coil pipe is multiple U-tube phases
The coiled pipe being connected into is interconnected, the U-shaped installing pipe is arranged on described in one in U-tube.
In those technical schemes, coil pipe is preferably arranged to the coiled pipe that multiple U-tubes are interconnected to, because this
Plant coil pipe relatively common, and be frequently used for outdoor heat exchanger, thus be easy to buying, now, can so as to reduce production cost
It is preferred that being arranged to U-shaped installing pipe by housing is installed, so that the shape of coil pipe and installation housing can be mutually adapted, so as to make
The structure of product is more rationally compact.Meanwhile, installing pipe is U-shaped installing pipe, area of dissipation is also increased, so as to add heating
The efficiency of heating surface of component.
Wherein it is preferred to, the installing pipe is arranged in the U-tube of the coil pipe bottom, i.e., near air conditioner chamber
In the U-tube on the chassis of outer machine.
In the above-mentioned technical solutions, it is preferable that the air conditioner also includes：At least one support member, is arranged on the disk
In pipe, for heating component support to be arranged in the coil pipe.
In those technical schemes, air conditioner also includes support member, specifically, supports heating component using support member
In coil pipe, this kind, which is set, to realize location and installation of the heating component in coil pipe using support member, specifically, can
Realize that heating component is installed in disk inner axial tube and radial positioning.Wherein it is preferred to, the installing pipe is arranged on the coiled pipe
A certain section of middle part.
Wherein it is preferred to, support member is support ring, and the quantity of the support member is multiple.
Wherein it is preferred to, air conditioner be integral type air conditioner, such as window air conditioner, now, air conditioner room unit and sky
Device outdoor unit is adjusted to be integrated, or air conditioner is detachable air conditioner.
The additional aspect and advantage of the present invention will be provided in following description section, will partly be become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of the control method of the air conditioner provided according to first embodiment of the invention；
Fig. 2 is the schematic flow sheet of the control method of the air conditioner provided according to second embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the control method of the air conditioner provided according to the 3rd embodiment of the present invention；
Fig. 4 is the schematic flow sheet of the control method of the air conditioner provided according to the 4th embodiment of the present invention；
Fig. 5 is the schematic flow sheet of the control method of the air conditioner provided according to the 5th embodiment of the present invention；
Fig. 6 is the schematic flow sheet of the control method of the air conditioner provided according to the sixth embodiment of the present；
Fig. 7 is the structural schematic block diagram of the control device for the air conditioner that embodiments in accordance with the present invention are provided；
Fig. 8 is the structural schematic block diagram for the air conditioner that embodiments in accordance with the present invention are provided；
Fig. 9 is a part of structural representation for the air conditioner that embodiments in accordance with the present invention are provided.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from mode described here using other, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The control method of air conditioner provided according to first embodiment of the invention is described referring to Fig. 1.
Specifically, as shown in figure 1, first aspect present invention embodiment provides a kind of control method of air conditioner, it is used for
Air conditioner, air conditioner includes outdoor heat exchanger, and outdoor heat exchanger includes being provided with heating element heater in coil pipe, coil pipe, wherein, air-conditioning
The control method of device includes：Step 102, the temperature of a coil pipe is detected every prefixed time interval a, and ith is detected
The thermograph of coil pipe is Ti, and when i is more than b, according to Ti+b-TiWith Ti-Ti-bDifference control heating element heater opening and closing；Its
In, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is the integer more than or equal to 1, and b is big
In the natural number equal to 2.
The control method for the air conditioner that embodiments in accordance with the present invention are provided, can set one in the coil pipe of outdoor heat exchanger
Individual heating element heater, so as to by heating element heater come heating coil, and be spaced at preset timed intervals a detect coil pipe temperature, and will
The thermograph of the coil pipe detected every time is T1、T2、T3... Tn, wherein, n is the integer more than or equal to 3, just can be constantly
The temperature of coil pipe is got, and then can be calculated according to the temperature of coil pipe in same time interval, the temperature change value of coil pipe,
That is Ti+b-TiWith Ti-Ti-b, and Ti+b-TiWith Ti-Ti-bDifference can embody the change speed of coil temperature, and the temperature of coil pipe
Degree does not have frosting constant in air conditioner, and in Frost formation process, its temperature can be more and more lower, and temperature drop can increasingly
It hurry up, and after the completion of defrost, its temperature meeting more and more higher, and temperature rise ground can be more and more faster, therefore, passes through Ti+b-TiWith Ti-
Ti-bDifference just can reflect which kind of air-conditioning implement body be in stage exactly, specifically, such as in the frosting stage, or place
In the defrost stage, or defrost is completed, therefore, just can be actually needed in each stage correspondence and is turned on and off heating unit
Part, so as to, to reduce defrost number of times, shorten defrost cycle, raising heating effect, be protected come heating coil using heating element heater
The stable operation of air conditioner is demonstrate,proved, and then improves the usage experience of user.Wherein, specifically this kind is set, on the one hand can be in room
When external heat exchanger starts frosting, heating element heater is opened, with heating coil, to slow down frosting velocity, on the other hand this kind is set also
Heating element heats coil pipe can be opened during defrost, so as in refrigerant defrost cyclic process, by refrigerant plus
Heat, so that refrigerant can distribute more heats after behaving, sets and will can add to carry out large area defrost, i.e. this kind
Thermal element and the normal defrosting function of air conditioner are combined, so as to improve defrost efficiency, shorten the defrost time, so that
Frost on outdoor heat exchanger can be quickly melted.Certainly, it can also be then turned on adding after the normal defrost of air conditioner is completed
Thermal element, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
The control method of air conditioner provided according to second embodiment of the present invention is described referring to Fig. 2.
Specifically, as shown in Fig. 2 the control method of the air conditioner comprises the following steps：
Step 202, the temperature of a coil pipe, and the temperature for the coil pipe that ith is detected are detected every prefixed time interval a
It is recorded as Ti, and when i is more than b, judge Ti+b-TiWhether T is less thani- Ti-b, and judging Ti+b-Ti＜ Ti-Ti-bWhen, open
Heating element heater, so that heating element heats coil pipe；Wherein, prefixed time interval a unit is minute, and a is positive number, and i's is initial
It is worth for 1, and i is the integer more than or equal to 1, b is the natural number more than or equal to 2.
In this step, the temperature of coil pipe is not when having frosting, and its temperature keeps constant, and only when starting to connect frost,
Its temperature can gradually be begun to decline, and frost is when tying more and more, its temperature can decline it is more and more faster, therefore when judging Ti+b-Ti
＜ Ti-Ti-bWhen, that is, illustrating the temperature of coil pipe reduces increasingly faster, thus can judge that frost starts to condense in outdoor and change
On hot device, and the reduction of the temperature of coil pipe is result in the reason for just because of frosting, therefore, now open heating element heater, can
Using heating element heater come heating coil, to slow down the rate of set of frost, and then can extend frost condense on heat exchangers when
Between, reduce the amount that frost condenses, to ensure heating effect, further, since having slowed down the rate of set of frost, therefore, in identical one
In the section time, the number of times of outdoor heat exchanger frosting just can be reduced, to reduce defrost number of times, heating effect is improved, it is ensured that air-conditioning
The stable operation of device system, improves the usage experience of user.
Step 204, after coil pipe described in the heating element heats is opened 20min-30min minutes, the heating is closed
Element.
In this step, specifically, at air conditioner frosting initial stage, that is, T is judgedi+b-Ti＜ Ti-Ti-bHeating is opened afterwards
During element, the duration of heating element heats can be disposed greater than being less than or equal in the range of 30min equal to 20min, or enter one
The duration of heating element heats preferably, is arranged to 25min by step, because air conditioner is since beginning frosting defrost to
Time interval is about 30 minutes or so, therefore, and this kind, which is set, to allow heating element heater before air conditioner starts defrost pattern
Stop heating a period of time, with avoid heating element heater for a long time be in heated condition, and then can prevent heating element heater because it is long when
Between work and damage, meanwhile, this kind set, additionally it is possible to rationally set heating element heater heat time, to reduce the energy of air conditioner
Consumption.
The control method of air conditioner provided according to the 3rd embodiment of the present invention is described referring to Fig. 3.
Specifically, as shown in figure 3, the control method of the air conditioner comprises the following steps：
Step 302, the temperature of a coil pipe, and the temperature for the coil pipe that ith is detected are detected every prefixed time interval a
It is recorded as Ti, and when i is more than b, judge Ti+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to the first preset duration, and
Judging Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to the first preset duration when, open heating element heater so that heating unit
Part heating coil；Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is more than or equal to 1
Integer, b is natural number more than or equal to 2.In this step, in Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to first
Preset duration, such as at 2a or 2 minute to 10 minutes, that is, illustrate, continues in two prefixed time intervals, the temperature of coil pipe under
That drops is increasingly faster, thus can illustrate, it is more and more that frost condenses, and now, air conditioner need to typically open defrost program
Defrost is carried out, therefore, at this moment, heating element heater can be opened during air conditioner starts defrost by opening heating element heater,
With heating coil, so as to heated using coil pipe the condensation outside outdoor heat exchanger frost or heating refrigerant so as to
In refrigerant defrost cyclic process, refrigerant is heated, it is big to carry out so that refrigerant can distribute more heats after behaving
Area defrost, i.e. this kind set and can be combined heating element heater and the normal defrosting function of air conditioner, so as to raising
White efficiency, shortens the defrost time, so that the frost on outdoor heat exchanger can be quickly melted, and then is able to ensure that room
The heat exchange efficiency of external heat exchanger, to ensure the heating effect of air conditioner.
Step 304, after heating element heats coil pipe is opened 9min-15min minutes, heating element heater is closed.
In this step, specifically, heating unit can be closed after heating element heats coil pipe is opened 9min-15min minutes
Part, to stop heating, because the defrost time of air conditioner is general at 15 minutes or so, therefore, this kind is set can be in sky
Device is adjusted to allow heating element heater to stop heating a period of time before exiting defrost pattern, so as to be needed after air conditioner exits defrost pattern
When continuing heating coil, heating element heater is just enabled to be heated at interval in the interval that each needs is heated, and then can prevent
Only heating element heater is in running order for a long time, it is thus possible to prevent heating element heater from being damaged because working long hours.
In another embodiment, it is preferable that the control method of air conditioner also includes：The temperature of coil pipe is detected, and judges disk
Whether the temperature of pipe starts the temperature of defrost, and opened less than or equal to air conditioner in the temperature for judging coil pipe less than or equal to air conditioner
During the temperature of beginning defrost, heating element heater is opened, so that heating element heats coil pipe.
In this embodiment, when judging that the temperature of coil pipe starts the temperature of defrost less than or equal to air conditioner, that is, illustrate empty
Adjust device to switch to defrost pattern, now, open heating element heater, can open and add during air conditioner starts defrost
Thermal element, with heating coil, so as to heated using coil pipe the frost or heating refrigerant of the condensation outside outdoor heat exchanger with
Just refrigerant can be heated in refrigerant defrost cyclic process, so that refrigerant can distribute more heats after behaving,
Set and heating element heater and the normal defrosting function of air conditioner can be combined to carry out large area defrost, i.e. this kind, so as to energy
Defrost efficiency is enough improved, shortens the defrost time, so that the frost on outdoor heat exchanger can be quickly melted, and then can
The heat exchange efficiency of outdoor heat exchanger is enough ensured, to ensure the heating effect of air conditioner.
The control method of the air conditioner of four embodiment of the invention offer is be provided referring to Fig. 4.
Wherein, in the 4th embodiment, the control method of air conditioner includes：
Step 402, the temperature of a coil pipe, and the temperature for the coil pipe that ith is detected are detected every prefixed time interval a
It is recorded as Ti, and when i is more than b, judge Ti+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to second it is default when
It is long, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to the second preset duration when, open heating element heater so that
Heating element heats coil pipe；Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is big
In the integer equal to 1, b is the natural number more than or equal to 2.In this step, after air conditioner starts defrost pattern, outdoor heat exchange
Frost on device can be fewer and fewer, therefore, the temperature meeting more and more higher of coil pipe, and is judging Ti+b-Ti＞ Ti-Ti-bIt is lasting when
Between when being more than or equal to the second preset duration, you can illustrate, the temperature of coil pipe in for a period of time persistently it is elevated increasingly
It hurry up, therefore, you can show that the frost on outdoor heat exchanger has been changed similar, therefore, now, air conditioner can exit defrost
Pattern, and heating element heater is now opened, heating element heater can be opened after the normal defrost of air conditioner is completed, so as to utilize
Heating element heater drains the frozen water after thawing, to reduce the possibility of frozen water frosting again.
Step 404, after heating element heats coil pipe is opened 0min-5min minutes, heating element heater is closed.In the step
In, after air conditioner exits defrost pattern, that is, judge Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to second it is default when
After length, when continuing heating coil, the duration of heating element heats can be disposed greater than to the scope that 0min is less than or equal to 5min
Interior, or it is further preferred that the duration of heating element heats is arranged into 3min, this kind is arranged on after defrost terminates, i.e., can
Frozen water is drained and in time can closed heating element heater after frozen water is drained, to save energy consumption.
In any of the above-described embodiment, it is preferable that the control method of air conditioner also includes：The temperature of detection coil pipe, and
When judging that the temperature of coil pipe exits the temperature of defrost more than or equal to air conditioner, heating element heater is opened, so that heating element heats
Coil pipe.
In those embodiments, when judging that the temperature of coil pipe exits the temperature of defrost more than or equal to air conditioner, that is, illustrate
Air conditioner has logged out defrost pattern, and now opens heating element heater, can open and add after the normal defrost of air conditioner is completed
Thermal element, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
The control method of the air conditioner of fifth embodiment of the invention offer is be provided referring to Fig. 5.
Wherein, in the 5th embodiment, the control method of air conditioner includes：
Step 502, the temperature of a coil pipe, and the temperature for the coil pipe that ith is detected are detected every prefixed time interval a
It is recorded as Ti, and when i is more than b, judge Ti+b-TiWhether T is less thani-Ti-b, and judging Ti+b-Ti＜ Ti-Ti-bWhen, open
Heating element heater, so that heating element heats coil pipe；Wherein, prefixed time interval a unit is minute, and a is positive number, and i's is initial
It is worth for 1, and i is the integer more than or equal to 1, b is the natural number more than or equal to 2.
Step 504, T is judgedi+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to the 4th preset duration, and
Judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to four preset durations when, close heating element heater；Wherein, the 4th
Preset duration is equal to the second preset duration and the 5th preset duration sum.In this step, T can judgedi+b-Ti＜ Ti-Ti-b
Duration whether be more than or equal to the 4th preset duration, heating element heater is switched on, so that heating element heats coil pipe, and in knot
Ensure that heating element heater is always on during white defrost, and air conditioner judges Ti+b-Ti＞ Ti-Ti-bDuration be more than
During equal to the second preset duration, air conditioner exits defrost pattern, and it is pre- to be now further continued for control heating element heats coil pipe the 5th
If duration, preferably 3 minutes, frozen water can be drained, prevent frozen water from condensing again.This kind of scheme, can in frosting to defrost, then
During the entire process of terminating to defrost, heating element heater is opened always, so that heating element heater can be in frosting to defrost, then extremely changed
During the entire process of frost terminates, can heating coil, this kind, which is set, can accelerate defrost speed, shorten the defrost cycle, reduce
Air conditioner can improve heating effect to the control workload of heating element heater.
In this embodiment, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater adds
Hot coil, and ensure that heating element heater is always on during frosting defrost, until the temperature of coil pipe is exited more than air conditioner
The temperature of defrost pattern, and being exited in the temperature of coil pipe more than air conditioner after the temperature of defrost pattern, can allow heating element heater after
The continuous preset duration of heating coil the 5th, preferably 3 minutes, turns off heating element heater, so as to which frozen water is drained, prevents afterwards
Frozen water condenses again.This kind of scheme can be in frosting to defrost, then during the entire process of terminating to defrost, always opens heating element heater
Open, so that heating element heater can be in frosting to defrost, then during the entire process of terminating to defrost, being capable of heating coil, this kind
Setting can accelerate defrost speed, shorten the defrost cycle, reduce control workload of the air conditioner to heating element heater, and then can carry
High heating effect.
Wherein, wherein, the step 504 of the 5th embodiment or, detect the temperature of coil pipe, and judge the temperature of coil pipe
Whether the duration more than or equal to the temperature that air conditioner exits defrost is more than or equal to the 5th preset duration, and judging coil pipe
Temperature be more than or equal to air conditioner exit defrost temperature duration be more than or equal to five preset durations when, close heating unit
Part.
In this embodiment, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater adds
Hot coil, and ensure that heating element heater is always on during frosting defrost, until the temperature of coil pipe is exited more than air conditioner
The temperature of defrost pattern, and being exited in the temperature of coil pipe more than air conditioner after the temperature of defrost pattern, can allow heating element heater after
The continuous preset duration of heating coil the 5th, preferably 3 minutes, turns off heating element heater, so as to which frozen water is drained, prevents afterwards
Frozen water condenses again.This kind of scheme can be in frosting to defrost, then during the entire process of terminating to defrost, always opens heating element heater
Open, so that heating element heater can be in frosting to defrost, then during the entire process of terminating to defrost, being capable of heating coil, this kind
Setting can accelerate defrost speed, shorten the defrost cycle, reduce control workload of the air conditioner to heating element heater, and then can carry
High heating effect.
The control method of the air conditioner of sixth embodiment of the invention offer is be provided referring to Fig. 6.
Wherein, in the 6th embodiment, the control method of air conditioner includes：
Step 602, detection air conditioner is after this starting up, the number of starts N of air conditioner startup defrost program, and
During N >=1, prefixed time interval a is entered as a-0.5N；Wherein, N initial value is that 0, N is the integer more than or equal to 0.At this
In step, start every time into a cycle of closing in air conditioner, can often open a defrost program just by defrost program
Number of starts N value adds 1, and after air conditioner completes a defrost, the prefixed time interval a's of the temperature of adjustment detection coil pipe
Value, i.e., be entered as a-0.5N, and carry out the detection of the temperature of coil pipe according to a after assignment again again by a.
Step 604, the temperature of a coil pipe, and the temperature for the coil pipe that ith is detected are detected every prefixed time interval a
Ti is recorded as, and when i is more than b, judges that whether Ti+b-Ti is less than Ti-Ti-b, and judging Ti+b-Ti ＜ Ti-Ti-b
When, heating element heater is opened, so that heating element heats coil pipe；Wherein, prefixed time interval a unit is minute, and a is positive number, i
Initial value be 1, and i is integer more than or equal to 1, and b is the natural number more than or equal to 2.
Step 606, after coil pipe described in the heating element heats is opened 20min-30min minutes, the heating is closed
Element.
Step 608, T is judgedi+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to the first preset duration, and judge
Go out Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to the first preset duration when, open heating element heater so that heating element heats
Coil pipe.
Step 610, after heating element heats coil pipe is opened 9min-15min minutes, heating element heater is closed.
Step 612, T is judgedi+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to the second preset duration, and
Judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to the second preset duration when, open heating element heater so that heating unit
Part heating coil.
Step 614, after heating element heats coil pipe is opened 0min-5min minutes, heating element heater is closed.
In this embodiment, in the same start process once of air conditioner, when if desired carrying out multiple defrost, by inciting somebody to action
The prefixed time interval after defrost is sequentially reduced first, can more accurately detect the white condensation situation on outdoor heat exchanger,
So as to carry out defrost much sooner, to prevent white excessively condensation, meanwhile, this kind of defrost mode is compared to existing defrost
For mode, fluctuations in indoor temperature is small during its defrost, it is thus possible to improve Consumer's Experience.Wherein, specifically, such as, it is equal in a
At 2 minutes, during first time defrost after air conditioner starting up, N is equal to 0, therefore, a coil pipe can be detected at intervals of two minutes
Temperature, and in second of defrost of air conditioner, N is equal to 1, therefore, can every the coil pipe of detection in 1.5 minutes temperature.
In the above embodiment, it is preferable that the control method of air conditioner also includes：In N >=1, and a-0.5N is when being less than e,
Prefixed time interval is kept constant.
In this embodiment, in the continuous assignment of a, a can be gradually reduced, and small to after a particular value in a, just no longer be passed through
Defrost number of times adjusts a value, but a value is kept into the value of last time assignment, so on the one hand a can be prevented to be assigned
It is on the other hand too small in follow-up value prevented also from a into negative, and cause time interval too short.Wherein, specifically, such as, exist
A is equal to 2 minutes, when e is equal to 1, during first time defrost after air conditioner starting up, and N is equal to 0, therefore, can be at intervals of two minutes
The temperature of coil pipe is detected once and records, and in second of defrost of air conditioner, N is equal to 1, therefore, can be detected every 1.5 minutes
And the temperature of a coil pipe is recorded, and when N is equal to 4, now, a-0.5N is equal to 0, and 0 is less than e, therefore, just a is not carried out
Again assignment, so that a keeps constant, and a has been assigned into 0.5 (a-0.5N=0.5), therefore, has been more than in N when N is equal to 3
Just it is the temperature for detecting and recording a coil pipe every 0.5 minute during equal to 4.
In the above embodiment, it is preferable that the control method of air conditioner also includes：When air conditioner shuts down or in air conditioner
During starting up, number of starts N is reset, and prefixed time interval a is resetted.
In this embodiment, when air conditioner is turned off or on, prefixed time interval a value can be reset to initial value,
The number of starts N that air conditioner starts defrost program is reset to zero simultaneously, this kind, which is set, causes air conditioner in start each time
In start-up course, its parameter is started counting up from first knowledge value, so that air conditioner each time can phase after starting up
Defrost is mutually singly completed, and defrost when being unlikely to have influence on start next time because of the starting up of last time works.
Wherein it is preferred to, prefixed time interval a is more than or equal to 3min and is less than or equal to 5min, it is further preferred that when default
Between interval a be equal to 2min.
In those embodiments, a value can be chosen according to actual conditions, specifically, for frequency changer, a is preferred etc.
In 2 minutes, and for determining frequency machine, it is preferable that a is more than or equal to 3 and is less than or equal to 5 minutes.
Wherein it is preferred to, the temperature that air conditioner starts defrost is more than or equal to minus 15 DEG C less than or equal to minus 10 DEG C, or air conditioner
The temperature for starting defrost is equal to minus 12 DEG C.
In those embodiments, the temperature that air conditioner starts defrost is difficult too small, otherwise air conditioner defrost can be caused too late
When, i.e. defrost is later, so as to can cause, and frosting substantially, thus can reduce the heat exchange efficiency of outdoor heat exchanger on outdoor heat exchanger,
And the temperature that air conditioner starts defrost is difficult excessive, air conditioner defrost otherwise can be caused more early, i.e., can caused it is not necessary to defrost
When begin to defrost, and then defrost can be caused frequently, thus be unfavorable for Consumer's Experience.It is therefore preferred that air conditioner starts defrost
Temperature be more than or equal to minus 15 DEG C be less than or equal to minus 10 DEG C, further, it is preferable that the temperature that air conditioner starts defrost takes minus 12
℃。
In any of the above-described embodiment, it is preferable that the temperature that air conditioner exits defrost is more than or equal to 10 DEG C less than or equal to 20
DEG C, or air conditioner exit defrost temperature be equal to 15 DEG C.
In those embodiments, air conditioner exits the temperature of defrost, and as air conditioner terminates the temperature of defrost, therefore, empty
The temperature for adjusting device to exit defrost is difficult excessive, the frost on outdoor heat exchanger otherwise can be caused all except being over, air conditioner is also located all the time
In defrost state, thus the defrost time can be extended, be unfavorable for Consumer's Experience, but air conditioner exits the temperature of defrost and was not easy to
It is small, otherwise can be when frost be without having removed, air conditioner just has logged out defrost program, so as to can cause defrost not exclusively, and then leads
Cause the heat exchange efficiency of outdoor heat exchanger low.It is therefore preferred that the temperature that air conditioner exits defrost is less than or equal to more than or equal to 10 DEG C
20 DEG C, further, it is preferable that the temperature that air conditioner exits defrost is equal to 15 DEG C.
In any of the above-described embodiment, it is preferable that the 5th preset duration is more than or equal to 0min and is less than or equal to 5min, or the 5th
Preset duration is equal to 3min.
In those embodiments, after defrost terminates, the time that heating element heater is opened is unsuitable long, because, in thawing
It is nonsensical in heating coil after frozen water emptying, meanwhile, after defrost terminates, the time that heating element heater is opened is also unsuitable too short,
Otherwise the frozen water melted can not be drained, and can cause frozen water frosting again.Therefore, and the 5th preset duration is less than more than or equal to 0min
Equal to 5min, it is further preferred that the 5th preset duration is that can drain frozen water and can be after frozen water is drained equal to 3min
Heating element heater is closed in time, to save energy consumption.
Wherein it is preferred to, the first preset duration and/or the second preset duration are equal to 2a.
As shown in fig. 7, second aspect of the present invention embodiment provides a kind of control device 700 of air conditioner, for such as Fig. 8
With the air conditioner shown in Fig. 9, air conditioner includes outdoor heat exchanger, and outdoor heat exchanger includes being provided with coil pipe 810, coil pipe 810
Heating element heater, wherein, the control device 700 of air conditioner includes：Detection unit 720, the temperature for detecting coil pipe 810；Control
Unit 710, for controlling detection unit 720 every the temperature of a prefixed time interval a coil pipe 810 of detection, and ith is examined
The thermograph of the coil pipe 810 of survey is Ti, and when i is more than b, according to Ti+b-TiWith Ti-Ti-bDifference control heating element heater
Opening and closing；Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is whole more than or equal to 1
Number, b is the natural number more than or equal to 2.
The control device 700 for the air conditioner that embodiments in accordance with the present invention are provided, can be in the coil pipe 810 of outdoor heat exchanger
Set a heating element heater, so as to by heating element heater come heating coil 810, and be spaced at preset timed intervals a detection coil pipe 810
Temperature, and by the thermograph of the coil pipe 810 detected every time be T1、T2、T3... Tn, wherein, n is whole more than or equal to 3
Number, just can constantly get the temperature of coil pipe 810, and then can be calculated according to the temperature of coil pipe 810 between same time
Every interior, the temperature change value of coil pipe 810, i.e. Ti+b-TiWith Ti-Ti-b, and Ti+b-TiWith Ti-Ti-bDifference can embody coil pipe
The change speed of 810 temperature, and the temperature of coil pipe 810 does not have frosting constant in air conditioner, and in Frost formation process, its temperature meeting
It is more and more lower, and temperature drop can be more and more faster, and after the completion of defrost, its temperature can more and more higher, and temperature rise ground
Can be more and more faster, therefore, pass through Ti+b-TiWith Ti-Ti-bDifference just can reflect exactly air-conditioning implement body be in which kind of rank
Section, specifically, such as in the frosting stage, or in the defrost stage, or defrost is completed, therefore, just can be in each rank
Section correspondence, which is actually needed, is turned on and off heating element heater, so as to using heating element heater come heating coil 810, to reduce defrost
Number of times, shortening defrost cycle, raising heating effect, it is ensured that the stable operation of air conditioner, and then improve the usage experience of user.Its
In, specifically this kind is set, and on the one hand heating element heater can be opened, when outdoor heat exchanger starts frosting with heating coil
810, to slow down frosting velocity, on the other hand this kind, which is set, to open heating element heats coil pipe during defrost
810, so as in refrigerant defrost cyclic process, refrigerant be heated, so that refrigerant can distribute more after behaving
Heat, to carry out large area defrost, i.e., this kind sets and can be combined heating element heater and the normal defrosting function of air conditioner,
So as to improve defrost efficiency, shorten the defrost time, so that the frost on outdoor heat exchanger can be quickly melted.When
So, also heating element heater can be then turned on after the normal defrost of air conditioner is completed, so as to after melting using heating element heater
Frozen water drain, to reduce the possibility of frozen water frosting again.
In the above embodiment, it is preferable that control unit 710 is specifically for judging Ti+b-TiWhether T is less thani-Ti-b, and
Judge Ti+b-Ti＜ Ti-Ti-bWhen, heating element heater is opened, so that heating element heats coil pipe 810.
In those embodiments, the temperature of coil pipe 810 is not when having frosting, and its temperature keeps constant, and is only starting
When connecing frost, its temperature can gradually be begun to decline, and frost is when tying more and more, its temperature can decline it is more and more faster, therefore when judging
Go out Ti+b-Ti＜ Ti-Ti-bWhen, that is, illustrating the temperature of coil pipe 810 reduces increasingly faster, thus can judge that frost starts to coagulate
Knot result in the reduction of the temperature of coil pipe 810 the reason for just because of frosting on outdoor heat exchanger, therefore, now open
Heating element heater is opened, can be using heating element heater come heating coil 810, to slow down the rate of set of frost, and then it is solidifying to extend frost
The time of knot on heat exchangers, reduce the amount that frost condenses, to ensure heating effect, further, since slowed down the rate of set of frost,
Therefore, it is interior for a period of time in identical, the number of times of outdoor heat exchanger frosting just can be reduced, to reduce defrost number of times, system is improved
Thermal effect, it is ensured that the stable operation of air-conditioner system, improves the usage experience of user.
Wherein it is preferred to, can reasonable selection b parameter so that, the temperature of coil pipe 810 meets Ti+b-Ti＜ Ti-Ti-bWhen,
Air conditioner starts frosting or just frosting.
In the above embodiment, it is preferable that control unit 710 is specifically for judging Ti+b-Ti＜ Ti-Ti-bDuration
Whether the first preset duration is more than or equal to, and judging Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to first it is default when
When long, heating element heater is opened, so that heating element heats coil pipe 810.
In this embodiment, in Ti+b-Ti＜ Ti-Ti-bDuration be more than or equal to the first preset duration, such as 2a or 2
During minute to 10 minutes, that is, illustrate, continue in two prefixed time intervals, it is increasingly faster that the temperature of coil pipe 810 declines, because
And can illustrate, it is more and more that frost condenses, and now, air conditioner need to typically open defrost program and carry out defrost, therefore,
At this moment, heating element heater can be opened during air conditioner starts defrost by opening heating element heater, with heating coil 810, from
And the frost or heating refrigerant of condensation outside outdoor heat exchanger can be heated using coil pipe 810 so as to be followed in refrigerant defrost
During ring, refrigerant is heated, so that refrigerant can distribute more heats after behaving, to carry out large area defrost,
I.e. this kind sets and can be combined heating element heater and the normal defrosting function of air conditioner, so as to improve defrost efficiency, contracts
The short defrost time, so that the frost on outdoor heat exchanger can be quickly melted, and then it is able to ensure that outdoor heat exchanger
Heat exchange efficiency, to ensure the heating effect of air conditioner.
Wherein it is preferred to, can reasonable selection b parameter so that, the temperature of coil pipe 810 meets Ti+b-Ti＜ Ti-Ti-bHold
When the continuous time is more than or equal to the first preset duration, air conditioner starts frosting or just frosting.
In any of the above-described embodiment, it is preferable that control unit 710 is additionally operable to the control detection coil pipe 810 of detection unit 720
Temperature, and judge that whether the temperature of coil pipe 810 starts the temperature of defrost, and judging coil pipe 810 less than or equal to air conditioner
Temperature when starting the temperature of defrost less than or equal to air conditioner, heating element heater is opened, so that heating element heats coil pipe 810.
In those embodiments, when judging that the temperature of coil pipe 810 starts the temperature of defrost less than or equal to air conditioner, that is, say
Bright air conditioner has switched to defrost pattern, now, opens heating element heater, can be opened during air conditioner starts defrost
Open heating element heater, with heating coil 810, so as to heated using coil pipe 810 condensation outside outdoor heat exchanger frost or
Refrigerant is heated so as in refrigerant defrost cyclic process, refrigerant be heated, so that refrigerant can be distributed after behaving
More heats, to carry out large area defrost, i.e. this kind setting can be by heating element heater and the normal defrosting function phase of air conditioner
With reference to, so as to defrost efficiency is improved, the shortening defrost time, so that the frost on outdoor heat exchanger can be quickly melted
Fall, and then be able to ensure that the heat exchange efficiency of outdoor heat exchanger, to ensure the heating effect of air conditioner.
In any of the above-described embodiment, it is preferable that control unit 710 is specifically for judging Ti+b-TiMore than or equal to Ti-Ti-b
Duration whether be more than or equal to the second preset duration, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to
During the second preset duration, heating element heater is opened, so that heating element heats coil pipe 810.
In those embodiments, after air conditioner starts defrost pattern, the frost on outdoor heat exchanger can be fewer and fewer, because
This, the temperature meeting more and more higher of coil pipe 810, and judging Ti+b-Ti＞ Ti-Ti-bDuration be more than or equal to second preset
During duration, you can illustrate, the temperature of coil pipe 810 within a period of time persistently it is elevated increasingly sooner, therefore, you can show
It is similar that frost on outdoor heat exchanger has been changed, and therefore, now, air conditioner can exit defrost pattern, and now open
Heating element heater, can open heating element heater, so as to after melting using heating element heater after the normal defrost of air conditioner is completed
Frozen water drain, to reduce the possibility of frozen water frosting again.
In any of the above-described embodiment, it is preferable that control unit 710 is additionally operable to the control detection coil pipe 810 of detection unit 720
Temperature, and when the temperature for judging coil pipe 810 exits the temperature of defrost more than or equal to air conditioner, open heating element heater, with
Make heating element heats coil pipe 810.
In those embodiments, when judging that the temperature of coil pipe 810 exits the temperature of defrost more than or equal to air conditioner, that is, say
Bright air conditioner has logged out defrost pattern, and now opens heating element heater, can be opened after the normal defrost of air conditioner is completed
Heating element heater, so as to drained the frozen water after thawing using heating element heater, to reduce the possibility of frozen water frosting again.
In any of the above-described embodiment, it is preferable that empty control unit 710 is additionally operable to opening heating element heats coil pipe
After 810 the 3rd preset durations, heating element heater is closed.
, can be after any stage opens a period of time of heating element heats coil pipe 810, by heating unit in those embodiments
Part is closed, so that heating element heater can be automatically stopped heating, wherein it is preferred to, the heating opportunity that can be opened according to heating element heater,
The heating duration of heating element heater is rationally set, specifically, such as, at air conditioner frosting initial stage, that is, T is judgedi+b-Ti＜ Ti-Ti-b
When opening heating element heater afterwards, the 3rd preset duration can be disposed greater than being less than or equal in the range of 30min equal to 20min,
Or it is further preferred that the 3rd preset duration is arranged to 25min, because air conditioner is since beginning frosting defrost to
Time interval is about 30 minutes or so, therefore, and this kind, which is set, to allow heating element heater before air conditioner starts defrost pattern
Stop heating a period of time, with avoid heating element heater for a long time be in heated condition, and then can prevent heating element heater because it is long when
Between work and damage, meanwhile, this kind set, additionally it is possible to rationally set heating element heater heat time, to reduce the energy of air conditioner
Consumption.And during air conditioner defrost, that is, judge Ti+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to first it is default when
After length, when opening heating element heater, the 3rd preset duration can be disposed greater than being equal to the scope that 9min is less than or equal to 15min
It is interior, or it is further preferred that the 3rd preset duration is arranged to 12min, because the defrost time of air conditioner is general 15
Minute or so, therefore, this kind is set can allow heating element heater to stop heating a period of time before air conditioner exits defrost pattern,
So as to when needing to continue heating coil 810 after air conditioner exits defrost pattern, just enable heating element heater to be needed at each
The interval interior interval heating to be heated, and then heating element heater can be prevented in running order for a long time, it is thus possible to prevent from adding
Thermal element is damaged because working long hours.Wherein, after air conditioner exits defrost pattern, that is, T is judgedi+b-Ti＞ Ti-Ti-b
Duration be more than or equal to the second preset duration after, continue heating coil 810 when, the 3rd preset duration can be arranged on greatly
In the range of 0min is less than or equal to 5min, or it is further preferred that the 3rd preset duration is arranged to 3min, this kind is arranged on
After defrost terminates, i.e., frozen water can be drained and in time can closed heating element heater after frozen water is drained, to save energy consumption.
Wherein it is preferred to, the first preset duration is less than or equal to the second preset duration.
In the above embodiment, it is preferable that control unit 710 is additionally operable to judge Ti+b-TiMore than or equal to Ti-Ti-bContinue
Whether the time is more than or equal to the 4th preset duration, and judging Ti+b- Ti ＞ Ti-Ti-bDuration be more than or equal to it is the 4th pre-
If during duration, closing heating element heater；Wherein, the 4th preset duration is equal to the second preset duration and the 5th preset duration sum.
In this embodiment, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater adds
Hot coil 810, and ensure that heating element heater is always on during frosting defrost, and air conditioner judges Ti+b-Ti＞ Ti-
Ti-bDuration be more than or equal to the second preset duration when, air conditioner exits defrost pattern, and now be further continued for control heating unit
The preset duration of part heating coil 810 the 5th, frozen water is preferably 3 minutes, can be drained, prevent frozen water from condensing again.This kind of side
Case, can be in frosting to defrost, then during the entire process of terminating to defrost, always opens heating element heater, so that heating element heater energy
It is enough in frosting to defrost, then during the entire process of terminating to defrost, can heating coil 810, this kind is set being capable of quickening
White speed, shortens the defrost cycle, reduces control workload of the air conditioner to heating element heater, and then can improve heating effect.
In another embodiment, the control device 700 of air conditioner also includes：Control unit 710 is additionally operable to detect coil pipe
810 temperature, and judge coil pipe 810 temperature be more than or equal to air conditioner exit defrost temperature duration be more than etc.
When five preset durations, heating element heater is closed.
In this embodiment, T can judgedi+b-Ti＜ Ti-Ti-bWhen, heating element heater is switched on, so that heating element heater adds
Hot coil 810, and ensure that heating element heater is always on during frosting defrost, until the temperature of coil pipe 810 is more than air-conditioning
Device exits the temperature of defrost pattern, and is exited in the temperature of coil pipe 810 more than air conditioner after the temperature of defrost pattern, can allow and add
Thermal element continues the preset duration of heating coil 810 the 5th, and preferably 3 minutes, heating element heater is turned off afterwards, so as to by ice
Water is drained, and prevents frozen water from condensing again.This kind of scheme can be in frosting to defrost, then during the entire process of terminating to defrost, always
Heating element heater is opened, so that heating element heater can be in frosting to defrost, then during the entire process of terminating to defrost, can be added
Hot coil 810, this kind, which is set, can accelerate defrost speed, shorten the defrost cycle, reduce control work of the air conditioner to heating element heater
Measure, and then heating effect can be improved.
In any of the above-described embodiment, it is preferable that control unit 710 is additionally operable to detecting one every prefixed time interval a
Before the temperature of secondary coil pipe 810, detection air conditioner is after this starting up, and air conditioner starts the number of starts N of defrost program,
And in N >=1, and a-0.5N is when being more than or equal to e, and prefixed time interval a is entered as into a-0.5N；Wherein, N initial value is 0, N
For the integer more than or equal to 0, e is more than or equal to 0 and less than or equal to a.
In those embodiments, start every time into a cycle of closing in air conditioner, can often open a defrost journey
The number of starts N of defrost program value is just added 1 by sequence, and after air conditioner completes a defrost, the temperature of adjustment detection coil pipe 810
The prefixed time interval a of degree value, i.e., be entered as a-0.5N, and carry out coil pipe 810 according to a after assignment again again by a
Temperature detection.This kind is set, and in the same start process once of air conditioner, when if desired carrying out multiple defrost, is passed through
Prefixed time interval after defrost first is sequentially reduced, the white condensation feelings on outdoor heat exchanger can be more accurately detected
Condition, so as to carry out defrost much sooner, to prevent white excessively condensation, meanwhile, this kind of defrost mode is compared to existing
For defrost mode, fluctuations in indoor temperature is small during its defrost, it is thus possible to improve Consumer's Experience.Wherein, specifically, such as, in a
During equal to 2 minutes, during first time defrost after air conditioner starting up, N is equal to 0, therefore, can detect at intervals of two minutes once
The temperature of coil pipe, and in second of defrost of air conditioner, N is equal to 1, therefore, the temperature of a coil pipe can be detected every 1.5 minutes
Degree.
In any of the above-described embodiment, it is preferable that control unit 710 is additionally operable in N >=1, and a-0.5N be less than e when, will
Prefixed time interval keeps constant.
In those embodiments, in the continuous assignment of a, a can be gradually reduced, and small to after a particular value in a, just no longer be led to
Cross defrost number of times to adjust a value, but a value is kept into the value of last time assignment, so on the one hand can prevent that a from being assigned
It is worth into negative, it is on the other hand too small in follow-up value prevented also from a, and cause time interval too short.Wherein, specifically, such as,
It is equal to 2 minutes in a, when e is equal to 1, during first time defrost after air conditioner starting up, N is equal to 0, therefore, can be every 2 points
Clock detects once and records the temperature of coil pipe, and in second of defrost of air conditioner, N is equal to 1, therefore, can be examined every 1.5 minutes
The temperature of a coil pipe is surveyed and records, and when N is equal to 4, now, a-0.5N is equal to 0, and 0 is less than e, therefore, just a is not entered
Capable assignment again, so that a keeps constant, and a has been assigned into 0.5 (a-0.5N=0.5) when N is equal to 3, therefore, big in N
Just it is the temperature for detecting and recording a coil pipe every 0.5 minute when equal to 4.
In any of the above-described embodiment, it is preferable that control unit 710 is additionally operable to open when air conditioner shuts down or in air conditioner
When machine starts, number of starts N is reset, and prefixed time interval a is resetted.
In those embodiments, when air conditioner is turned off or on, prefixed time interval a value can be reset to initially
Value, while the number of starts N that air conditioner starts defrost program is reset into zero, this kind, which is set, causes air conditioner in opening each time
In machine start-up course, its parameter is started counting up from first knowledge value, so that air conditioner each time can after starting up
Separate completion defrost, and be unlikely to have influence on defrost work when starting shooting next time because of the starting up of last time
Make.
Wherein it is preferred to, prefixed time interval a is more than or equal to 3min and is less than or equal to 5min, it is further preferred that when default
Between interval a be equal to 2min.
In those embodiments, a value can be chosen according to actual conditions, specifically, for frequency changer, a is preferred etc.
In 2 minutes, and for determining frequency machine, it is preferable that a is more than or equal to 3 and is less than or equal to 5 minutes.
Wherein it is preferred to, the temperature that air conditioner starts defrost is more than or equal to minus 15 DEG C less than or equal to minus 10 DEG C, or air conditioner
The temperature for starting defrost is equal to minus 12 DEG C.
In those embodiments, the temperature that air conditioner starts defrost is difficult too small, otherwise air conditioner defrost can be caused too late
When, i.e. defrost is later, so as to can cause, and frosting substantially, thus can reduce the heat exchange efficiency of outdoor heat exchanger on outdoor heat exchanger,
And the temperature that air conditioner starts defrost is difficult excessive, air conditioner defrost otherwise can be caused more early, i.e., can caused it is not necessary to defrost
When begin to defrost, and then defrost can be caused frequently, thus be unfavorable for Consumer's Experience.It is therefore preferred that air conditioner starts defrost
Temperature be more than or equal to minus 15 DEG C be less than or equal to minus 10 DEG C, further, it is preferable that the temperature that air conditioner starts defrost takes minus 12
℃。
In any of the above-described embodiment, it is preferable that the temperature that air conditioner exits defrost is more than or equal to 10 DEG C less than or equal to 20
DEG C, or air conditioner exit defrost temperature be equal to 15 DEG C.
In those embodiments, air conditioner exits the temperature of defrost, and as air conditioner terminates the temperature of defrost, therefore, empty
The temperature for adjusting device to exit defrost is difficult excessive, the frost on outdoor heat exchanger otherwise can be caused all except being over, air conditioner is also located all the time
In defrost state, thus the defrost time can be extended, be unfavorable for Consumer's Experience, but air conditioner exits the temperature of defrost and was not easy to
It is small, otherwise can be when frost be without having removed, air conditioner just has logged out defrost program, so as to can cause defrost not exclusively, and then leads
Cause the heat exchange efficiency of outdoor heat exchanger low.It is therefore preferred that the temperature that air conditioner exits defrost is less than or equal to more than or equal to 10 DEG C
20 DEG C, further, it is preferable that the temperature that air conditioner exits defrost is equal to 15 DEG C.
In any of the above-described embodiment, it is preferable that the 5th preset duration is more than or equal to 0min and is less than or equal to 5min, or the 5th
Preset duration is equal to 3min.
In those embodiments, after defrost terminates, the time that heating element heater is opened is unsuitable long, because, in thawing
It is nonsensical in heating coil 810 after frozen water emptying, meanwhile, after defrost terminates, the time that heating element heater is opened also should not mistake
Short, the frozen water otherwise melted can not be drained, and can cause frozen water frosting again.Therefore, and the 5th preset duration be more than or equal to 0min
Less than or equal to 5min, it is further preferred that the 5th preset duration is that can drain frozen water and can be arranged in frozen water equal to 3min
Heating element heater is closed in time after to the greatest extent, to save energy consumption.
Wherein it is preferred to, the first preset duration and/or the second preset duration are equal to 2a.
As Fig. 8 and as shown in figure 9, third aspect present invention embodiment provide a kind of air conditioner 800, air conditioner 800
Including：Outdoor heat exchanger, outdoor heat exchanger includes coil pipe 810；Heating component 820, in coil pipe 810, heating component 820
Including the heating element heater installed housing and be arranged in mounting shell body；The air conditioner provided with any one of second aspect embodiment
Control device 700.
The air conditioner 800 that the embodiment of third aspect present invention is provided, including outdoor heat exchanger and heat exchange installed outdoors
Heating component 820 in the coil pipe 810 of device, and the control device 700 of air conditioner that any one of second aspect embodiment is provided,
Therefore, the beneficial effect of the control device 700 of the air conditioner provided with any one of second aspect embodiment, no longer goes to live in the household of one's in-laws on getting married herein
State.
In the above embodiment, it is preferable that it is installing pipe to install housing, installing pipe is arranged in coil pipe 810.
In those embodiments, housing will be preferably installed and be arranged to installing pipe, so that installing pipe and coil pipe 810 being capable of groups
Packaged tube, in order to install the installation of housing, meanwhile, this kind, which is set, can also be arranged on conventional heating tube in installing pipe, with
Used as heating element heater.Meanwhile, this kind of heating component 820 is relatively common, thus is easy to buying, so as to reduce product
Cost.
In the above embodiment, it is preferable that it is U-shaped installing pipe to install housing, coil pipe 810 is connected with each other for multiple U-tubes
Into coiled pipe, U-shaped installing pipe be arranged on a U-tube in.
In those embodiments, coil pipe 810 is preferably arranged to the coiled pipe that multiple U-tubes are interconnected to, because
This coil pipe 810 is relatively common, and is frequently used for outdoor heat exchanger, thus is easy to buying, so as to reduce production cost, this
When, housing will be preferably installed and be arranged to U-shaped installing pipe, so that the shape of coil pipe 810 and installation housing can be mutually adapted, from
And the structure of product can be made more rationally compact.Meanwhile, installing pipe is U-shaped installing pipe, area of dissipation is also increased, so as to increase
The efficiency of heating surface of heating component 820 is added.
Wherein it is preferred to, installing pipe is arranged in the U-tube of the bottom of coil pipe 810, i.e., near air-conditioner outdoor unit
In the U-tube on chassis.
In the above embodiment, it is preferable that air conditioner also includes：At least one support member 830, is arranged in coil pipe 810,
For heating component 820 to be supported in coil pipe 810.
In those embodiments, air conditioner also includes support member 830, specifically, using support member 830 by heating component
820 supports are arranged in coil pipe 810, and this kind, which is set, to realize heating component 820 in coil pipe 810 using support member 830
Location and installation, specifically, can realize that heating component 820 axially and radially locates installation in coil pipe 810.Wherein it is preferred to,
Installing pipe is arranged on a certain section of middle part of coiled pipe.
Wherein it is preferred to, support member 830 is support ring, and the quantity of support member 830 is multiple.
Wherein it is preferred to, air conditioner be integral type air conditioner, such as window air conditioner, now, air conditioner room unit and sky
Device outdoor unit is adjusted to be integrated, or air conditioner is detachable air conditioner.
In the description of this specification, the description of term " one embodiment " etc. means that combining the embodiment or example describes
Specific features, structure, material or feature be contained in the present invention at least one embodiment or example in.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (19)
1. a kind of control method of air conditioner, for air conditioner, the air conditioner includes outdoor heat exchanger, the outdoor heat exchanger
Including coil pipe, heating element heater is provided with the coil pipe, it is characterised in that the control method of the air conditioner includes：
The temperature of the coil pipe, and the thermograph for the coil pipe that ith is detected are detected once every prefixed time interval a
For Ti, and when i is more than b, according to Ti+b-TiWith Ti-Ti-bDifference control the opening and closing of the heating element heater；
Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is the integer more than or equal to 1,
B is the natural number more than or equal to 2.
2. the control method of air conditioner according to claim 1, it is characterised in that described according to Ti+b-TiWith Ti-Ti-b's
Difference controls the opening and closing of the heating element heater to specifically include：
Judge Ti+b-TiWhether T is less thani-Ti-b, and judging Ti+b-Ti＜ Ti-Ti-bWhen, the heating element heater is opened, so that institute
State coil pipe described in heating element heats.
3. the control method of air conditioner according to claim 1, it is characterised in that
It is described according to Ti+b-TiWith Ti-Ti-bDifference control the opening and closing of the heating element heater to specifically include：Judge Ti+b-Ti＜ Ti-
Ti-bDuration whether be more than or equal to the first preset duration, and judging Ti+b-Ti＜ Ti-Ti-bDuration be more than etc.
When first preset duration, the heating element heater is opened, so that coil pipe described in the heating element heats；Or
The control method of the air conditioner also includes：The temperature of the coil pipe is detected, and judges whether the temperature of the coil pipe is small
It is less than or equal to the temperature that air conditioner starts defrost in the temperature for starting defrost equal to air conditioner, and in the temperature for judging the coil pipe
When spending, the heating element heater is opened, so that coil pipe described in the heating element heats.
4. the control method of air conditioner according to claim 1, it is characterised in that
It is described according to Ti+b-TiWith Ti-Ti-bDifference control the opening and closing of the heating element heater to specifically include；Judge Ti+b-TiIt is more than
Equal to Ti-Ti-bDuration whether be more than or equal to the second preset duration, and judging Ti+b-Ti＞ Ti-Ti-bIt is lasting when
Between when being more than or equal to the second preset duration, the heating element heater is opened, so that coil pipe described in the heating element heats；Or
The control method of the air conditioner also includes：The temperature of the coil pipe is detected, and it is big in the temperature for judging the coil pipe
When the temperature of defrost is exited equal to air conditioner, the heating element heater is opened, so that coil pipe described in the heating element heats.
5. the control method of air conditioner according to any one of claim 1 to 4, it is characterised in that also include：
After the preset duration of coil pipe the 3rd described in the heating element heats is opened, the heating element heater is closed.
6. the control method of the air conditioner according to any one of claim 2 to 4, it is characterised in that also include：
Judge Ti+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to the 4th preset duration, and judging Ti+b-
Ti＞ Ti-Ti-bDuration when being more than or equal to four preset durations, close the heating element heater；Wherein, the described 4th preset
Duration is equal to the second preset duration and the 5th preset duration sum；Or
The temperature of the coil pipe is detected, and the temperature of defrost is exited more than or equal to air conditioner in the temperature for judging the coil pipe
When duration is more than or equal to five preset durations, the heating element heater is closed.
7. the control method of air conditioner according to any one of claim 1 to 4, it is characterised in that when default
Between interval a detections once before the temperature of the coil pipe, in addition to：
The air conditioner is detected after this starting up, the air conditioner starts the number of starts N of defrost program, and N >=
1, and a-0.5N be more than or equal to e when, prefixed time interval a is entered as a-0.5N；
Wherein, N initial value is that 0, N is the integer more than or equal to 0, and e is more than or equal to 0 and less than or equal to a.
8. the control method of air conditioner according to claim 7, it is characterised in that
In N >=1, and a-0.5N is when being less than e, and prefixed time interval is kept into constant；And/or
When the air conditioner shuts down or in the air conditioner starting up, the number of starts N is reset, and will be described pre-
If time interval a resets.
9. a kind of control device of air conditioner, for air conditioner, the air conditioner includes outdoor heat exchanger, the outdoor heat exchanger
Including coil pipe, heating element heater is provided with the coil pipe, it is characterised in that the control device of the air conditioner includes：
Detection unit, the temperature for detecting the coil pipe；
Control unit, for controlling the detection unit to detect once the temperature of the coil pipe every prefixed time interval a, and will
The thermograph of the coil pipe of ith detection is Ti, and when i is more than b, according to Ti+b-TiWith Ti-Ti-bDifference control institute
State the opening and closing of heating element heater；
Wherein, prefixed time interval a unit is minute, and a is positive number, and i initial value is 1, and i is the integer more than or equal to 1,
B is the natural number more than or equal to 2.
10. the control device of air conditioner according to claim 9, it is characterised in that
Described control unit is specifically for judging Ti+b-TiWhether T is less thani-Ti-b, and judging Ti+b-Ti＜ Ti-Ti-bWhen, open
The heating element heater is opened, so that coil pipe described in the heating element heats.
11. the control device of air conditioner according to claim 9, it is characterised in that
Described control unit is specifically for judging Ti+b-Ti＜ Ti-Ti-bDuration whether be more than or equal to the first preset duration,
And judging Ti+b-Ti＜ Ti-Ti-bDuration when being more than or equal to first preset duration, open the heating element heater,
So that coil pipe described in the heating element heats；Or
Described control unit is additionally operable to control the detection unit to detect the temperature of the coil pipe, and judges the temperature of the coil pipe
Whether it is less than or equal to the temperature that air conditioner starts defrost, and is less than or equal to air conditioner beginning in the temperature for judging the coil pipe
During the temperature of frost, the heating element heater is opened, so that coil pipe described in the heating element heats.
12. the control device of air conditioner according to claim 9, it is characterised in that
Described control unit is specifically for judging Ti+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to second preset
Duration, and judging Ti+b-Ti＞ Ti-Ti-bDuration when being more than or equal to the second preset duration, open the heating unit
Part, so that coil pipe described in the heating element heats；Or
Described control unit is additionally operable to control the detection unit to detect the temperature of the coil pipe, and is judging the coil pipe
When temperature exits the temperature of defrost more than or equal to air conditioner, the heating element heater is opened, so that described in the heating element heats
Coil pipe.
13. the control device of the air conditioner according to any one of claim 9 to 12,
Described control unit is additionally operable to after the preset duration of coil pipe the 3rd described in the heating element heats is opened, and closes described add
Thermal element.
14. the control device of the air conditioner according to any one of claim 10 to 12, it is characterised in that
Described control unit is additionally operable to judge Ti+b-TiMore than or equal to Ti-Ti-bDuration whether be more than or equal to the 4th it is default when
It is long, and judging Ti+b- Ti ＞ Ti-Ti-bDuration when being more than or equal to four preset durations, close the heating element heater；
Wherein, the 4th preset duration is equal to the second preset duration and the 5th preset duration sum；Or
Described control unit is additionally operable to detect the temperature of the coil pipe, and is more than or equal to air-conditioning in the temperature for judging the coil pipe
When the duration that device exits the temperature of defrost is more than or equal to five preset durations, the heating element heater is closed.
15. the control device of the air conditioner according to any one of claim 9 to 12, it is characterised in that the control list
Member is additionally operable to, before prefixed time interval a the detections once temperature of the coil pipe, detect that the air conditioner is opened at this
After machine starts, the air conditioner starts the number of starts N of defrost program, and in N >=1, and a-0.5N is when being more than or equal to e, will be pre-
If time interval a is entered as a-0.5N；
Wherein, N initial value is that 0, N is the integer more than or equal to 0, and e is more than or equal to 0 and less than or equal to a.
16. the control device of air conditioner according to claim 15, it is characterised in that
Described control unit is additionally operable in N >=1, and a-0.5N be less than e when, prefixed time interval is kept constant；And/or
Described control unit is additionally operable to when the air conditioner shuts down or in the air conditioner starting up, by the startup time
Number N is reset, and the prefixed time interval a is resetted.
17. a kind of air conditioner, it is characterised in that including：
Outdoor heat exchanger, the outdoor heat exchanger includes coil pipe；
Heating component, in the coil pipe, the heating component includes installing housing and is arranged in the mounting shell body
Heating element heater；With
With the control device of the air conditioner as any one of claim 9 to 16.
18. air conditioner according to claim 17, it is characterised in that
The installation housing is installing pipe, and the installing pipe is arranged in the coil pipe；And/or
The installation housing is U-shaped installing pipe, and the coil pipe is the coiled pipe that multiple U-tubes are interconnected to, and the U-shaped is installed
Pipe is arranged on described in one in U-tube.
19. the air conditioner according to claim 17 or 18, it is characterised in that the air conditioner also includes：
At least one support member, is arranged in the coil pipe, and the heating component is arranged on the coil pipe by the support member
It is interior.
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| CN201710607943.4A CN107270420B (en) | 2017-07-24 | 2017-07-24 | Control method and device of air conditioner and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710607943.4A CN107270420B (en) | 2017-07-24 | 2017-07-24 | Control method and device of air conditioner and air conditioner |
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| CN107270420B CN107270420B (en) | 2020-09-18 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917116A (en) * | 2018-08-14 | 2018-11-30 | 南京天加环境科技有限公司 | A kind of improved multi-line system defrosting control method |
| CN109682017A (en) * | 2018-12-27 | 2019-04-26 | 广东美的暖通设备有限公司 | The control method and its device of air conditioner heating system |
| CN110243050A (en) * | 2019-06-21 | 2019-09-17 | 宁波奥克斯电气股份有限公司 | Control method and device for delaying frosting of air conditioner and air conditioner |
| CN110470019A (en) * | 2019-08-03 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
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| CN110470022A (en) * | 2019-08-04 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
| CN111426017A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Self-cleaning control method for outdoor heat exchanger of air conditioner, air conditioner and computer readable storage medium |
| CN111426017B (en) * | 2020-05-12 | 2021-04-02 | 珠海格力电器股份有限公司 | Self-cleaning control method for outdoor heat exchanger of air conditioner, air conditioner and computer readable storage medium |
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| CN113639350A (en) * | 2021-09-07 | 2021-11-12 | 合肥美的暖通设备有限公司 | Air conditioner and control method thereof, control device, and computer-readable storage medium |
| WO2024244512A1 (en) * | 2023-05-31 | 2024-12-05 | 广东美的制冷设备有限公司 | Condensed water treatment method and apparatus for air conditioning device, and air conditioning device |
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