CN106196419B - A kind of air-conditioning state detection method, device and air-conditioning - Google Patents
A kind of air-conditioning state detection method, device and air-conditioning Download PDFInfo
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- CN106196419B CN106196419B CN201610465983.5A CN201610465983A CN106196419B CN 106196419 B CN106196419 B CN 106196419B CN 201610465983 A CN201610465983 A CN 201610465983A CN 106196419 B CN106196419 B CN 106196419B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air-conditioning state detection method, device and air-conditioning, is related to air-conditioning technical field, for solve the problem of user reserve maintenance personal visit detection and maintenance when can not accurately inform the state of maintenance personal's air-conditioning.This method comprises: obtaining detection instruction；Start the compressor of air-conditioning according to detection instruction, and judges whether compressor can normally start；If it is not, then exporting Fisrt fault reason；If so, whether detection compressor can be with continuous operation preset time；If compressor is unable to continuous operation preset time, the second failure cause is exported；If compressor can obtain first state parameter with continuous operation preset time, first state parameter is the state parameter after operation of air conditioner preset time；The state of air-conditioning is obtained and exported according to first state parameter.The present invention is used for the maintenance of air-conditioning.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of air-conditioning state detection methods, device and air-conditioning.
Background technique
Currently, air-conditioning is widely used to all kinds of places for needing that indoor temperature, humidity and air-flow etc. is adjusted
In, and with the promotion that the technology increasingly innovated and user require, so that the outstanding aobvious protrusion of the intelligence of air-conditioning.
Traditional air-conditioning maintenance mode is, after air-conditioning failure, contacts factory repair personnel reservation by user and visits
Detection and maintenance.However, due to user to air-conditioning knowledge understand it is limited, to oneself using air-conditioning state and do not know about, institute
Can not accurately inform maintenance personal's particular state, and then cause to repair people when reservation maintenance personal visits detection and maintenance
Member can not judge failure cause and maintenance mode before making house calls, it is therefore more likely that since component is out of trim etc.
Problem needs are multiple to make house calls, and then causes maintenance cycle long, not only influences user's normal use, and producer is also required to
It puts into a large amount of manpower and material resources to be tracked and serviced, maintenance cost is high.
Summary of the invention
The embodiment of the present invention provides a kind of air-conditioning state detection method, device and air-conditioning, is reserving for solving user
Maintenance personal visit detection and maintenance when, can not accurately inform the state issues of maintenance personal's air-conditioning.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of air-conditioning state detection method, comprising:
Obtain detection instruction；
Start the compressor of air-conditioning according to the detection instruction, and judges whether the compressor can normally start；
If it is not, then exporting Fisrt fault reason；
Whether can be with continuous operation preset time if so, detecting the compressor；
If the compressor is unable to continuous operation preset time, the second failure cause is exported；
If the compressor can obtain first state parameter, the first state parameter with continuous operation preset time
For the state parameter after the operation of air conditioner preset time；
It is obtained according to the first state parameter and exports the state of the air-conditioning.
Second aspect provides a kind of air-conditioning state detection device, for executing the detection of air-conditioning state described in first aspect
Method, described device include:
Receiving unit, for obtaining detection instruction；
Control unit, for starting the compressor of air-conditioning according to the detection instruction；
Processing unit, for judging whether the compressor can normally start；
Output unit, for exporting Fisrt fault reason when the compressor can not normally start；
The processing unit is also used to detect whether the compressor can connect when the compressor can normally start
Reforwarding row preset time；
The output unit is also used to be unable to continuous operation preset time in the compressor, then exports the second failure original
Cause；
Acquiring unit, for obtaining first state parameter when the compressor can be with continuous operation preset time
The processing unit is also used to obtain the state of the air-conditioning according to the first state parameter；
The output unit is also used in the state for exporting the air-conditioning.
The third aspect provides a kind of air-conditioning, including air-conditioning state detection device described in second aspect.
The available detection instruction of air-conditioning state detection method provided in an embodiment of the present invention simultaneously starts according to detection instruction
The compressor of air-conditioning, and Fisrt fault reason is exported when compressor cannot normally start, so provided in an embodiment of the present invention
Air-conditioning state detection method can export corresponding Fisrt fault reason when compressor cannot normally start first, secondly press
Whether can with continuous operation preset time, and it is pre- in compressor to be unable to continuous operation if compressor is detected when contracting machine can normally start
If the time exports corresponding second failure cause, furthermore operation of air conditioner can be then obtained with continuous operation preset time in compressor
State parameter after preset time, and the state of air-conditioning is obtained and exported according to the state parameter after operation of air conditioner preset time,
So the embodiment of the present invention provides air-conditioning state detection method and can export the state of air-conditioning in operation of air conditioner, and then make user
When reservation maintenance personal visits detection and maintenance, maintenance personal's state can be accurately informed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is one of the step flow chart of air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 2 is the two of the step flow chart for the air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 3 is the three of the step flow chart for the air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 4 is the four of the step flow chart for the air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 5 is the five of the step flow chart for the air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 6 is the six of the step flow chart for the air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 7 is the seven of the step flow chart for the air-conditioning state detection method that the embodiment of the present invention provides；
Fig. 8 is the exemplary block diagram for the air-conditioning state detection device that the embodiment of the present invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, technical solution in the embodiment of the present invention carry out it is clear,
It is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It should be noted that for the ease of clearly describing the technical solution of the embodiment of the present invention, in implementation of the invention
In example, uses the printed words such as " first ", " second " and function and the essentially identical identical entry of effect or similar item are distinguished, this
Field technical staff is understood that the printed words such as " first ", " second " are not to be defined to quantity and execution order.
Inventive principle of the invention are as follows: first, it is determined that whether the compressor of air-conditioning can normally start, if cannot if export
Corresponding Fisrt fault reason, secondly judge air-conditioning compressor whether can with continuous operation preset time, if cannot if export
Corresponding second failure cause, if the compressor of air-conditioning can obtain operation of air conditioner preset time with continuous operation preset time
State parameter afterwards, and the state of air-conditioning is obtained and exported according to the state parameter after operation of air conditioner preset time.
Embodiment one,
The embodiment of the present invention provides a kind of air-conditioning state detection method, and shown referring to Fig.1, this method specifically includes as follows
Step:
S11, detection instruction is obtained.
Illustratively, detection function part can be set on air-conditioning remote control, and user passes through on pressing air-conditioning remote control
The instruction of detection function key detection trigger, and then obtain the detection instruction that user is triggered by air-conditioning remote control.In addition it is also possible to be
Dedicated detection controller is arranged in air-conditioning, passes through the case on detection controller or the remote controler for controlling detection controller
Detection trigger instruction, and then obtain user and pass through the detection instruction of detection controller triggering.It does not limit and obtains in the embodiment of the present invention
The concrete mode for taking detection instruction, detection instruction can be obtained by being subject to.
S12, the compressor for starting air-conditioning according to detection instruction, and judge whether compressor can normally start.
I.e. air-conditioning is attempted to start compressor according to detection instruction in step s 12, and the result for starting compressor includes: pressure
Contracting machine, which can normally start, can not normally start two kinds with compressor.When compressor can not normally start, step S13 is executed；
When compressor can normally start, step S14 is executed.
S13, output Fisrt fault reason.
That is, Fisrt fault reason are as follows: compressor can not normally start.
Whether S14, detection compressor can be with continuous operation preset times.
Specifically, those skilled in the art can be default because of usually setting according to air-conditioning heat exchange efficiency, compressor horsepower etc.
The length of time.Preferably, after compressor continuous operation preset time, each state parameter of air-conditioning should reach stable shape
State, in this way can be more accurate by the judgement that air-conditioning state parameter is made.
In addition, whether detection detection compressor can also be wrapped in step S14 with the testing result of continuous operation preset time
Include: compressor can not continuous operation preset time and compressor can be two kinds with continuous operation preset time.When compressor can not connect
Reforwarding row preset time, thens follow the steps S15；When compressor can then follow the steps S16 with continuous operation preset time.
S15, the second failure cause of output.
That is, the second failure cause are as follows: compressor can not continuous operation.
S16, first state parameter is obtained.
Wherein, first state parameter is the state parameter after operation of air conditioner preset time.Illustratively, first state parameter
It may include: indoor environment temperature, indoor evaporator temperature, the outdoor environment temperature, outdoor steaming after operation of air conditioner preset time
Send out device temperature etc..
S17, the state for being obtained according to first state parameter and exporting air-conditioning.
The available detection instruction of air-conditioning state detection method provided in an embodiment of the present invention simultaneously starts according to detection instruction
The compressor of air-conditioning, and Fisrt fault reason is exported when compressor cannot normally start, so provided in an embodiment of the present invention
Air-conditioning state detection method can export corresponding Fisrt fault reason when compressor cannot normally start first, secondly press
Whether can with continuous operation preset time, and it is pre- in compressor to be unable to continuous operation if compressor is detected when contracting machine can normally start
If the time exports corresponding second failure cause, furthermore operation of air conditioner can be then obtained with continuous operation preset time in compressor
State parameter after preset time, and the state of air-conditioning is obtained and exported according to the state parameter after operation of air conditioner preset time,
So the embodiment of the present invention provides air-conditioning state detection method and can export the state of air-conditioning in operation of air conditioner, and then make user
When reservation maintenance personal visits detection and maintenance, maintenance personal's state can be accurately informed.
Embodiment two,
Specifically, the first state parameter in above-described embodiment includes: the first indoor environment temperature TinT1, the first interior
Coil temperature TInner discT1, the first outdoor environment temperature ToutT1, the first outdoor coil temperature TExternal diskT1 and delivery temperature TD.
Wherein, delivery temperature TD refers to the temperature of compressor of air conditioner discharging refrigerant, because the measurement of the temperature is usually
It is carried out on compressor exhaust pipe, therefore the temperature is also known as delivery temperature.
Further, referring to shown in Fig. 2, if compressor continuous operation preset time in a chiller mode, above-mentioned steps S17
The middle state that air-conditioning is obtained according to first state parameter, can specifically be achieved by the steps of.
S21, judge the first indoor environment temperature TinT1 and the first indoor coil pipe TInner discWhether the difference of t1 is greater than or waits
In first threshold Ta。
S22, judge the first outdoor coil temperature TExternal diskT1 and the first outdoor environment temperature ToutThe difference of t1 whether be greater than or
Equal to second threshold Tb。
S23, judge delivery temperature TD and the first outdoor coil temperature TExternal diskWhether the difference of t1 is less than or equal to third threshold value
Tc。
As the first indoor environment temperature TinT1 and the first indoor coil pipe TInner discThe difference of t1 is greater than or equal to the first threshold
Value Ta, the first outdoor coil temperature TExternal diskThe difference T of t1 and the first outdoor environment temperatureoutT1 is greater than or equal to second threshold TbAnd
Delivery temperature TD and the first outdoor coil temperature TExternal diskThe difference of t1 is less than or equal to third threshold value TcWhen, execute step S24.
S24, the state for determining air-conditioning are normal.
That is, meeting T simultaneouslyint1-TInner disct1≥Ta、TExternal diskt1-Toutt1≥Tb、TD-TExternal diskt1≤TcWhen, judgement obtains air-conditioning
State be normal.
Illustratively, first threshold TaIt is greater than or waits 10 DEG C；Second threshold TbMore than or equal to 8 DEG C；Third threshold value TcIt is small
In or equal to 50 DEG C.
That is, Ta≥10℃；Tb≥8℃；Tc≤50℃。
Embodiment three,
Can determine that air-conditioning is normal or abnormal in above-described embodiment two by first state parameter, but when air-conditioning
Abnormal reason may be it is various, only maintenance mans personnel can't be made to be accurately judged to extremely by the above-mentioned parameter of air-conditioning
Maintenance program, thus the present invention implement on the basis of above-described embodiment two to still further provide a kind of air-conditioning state it is more detailed
Acquisition scheme, specific referring to shown in Fig. 3, this method comprises the following steps.
When in above-mentioned steps S21, S22, S23 when have the first indoor environment temperature TinT1 and the first indoor coil pipe
TInner discThe difference of t1 is less than first threshold Ta, the first outdoor coil temperature TExternal diskThe difference T of t1 and the first outdoor environment temperatureoutt1
Less than second threshold TbAnd delivery temperature TD and the first outdoor coil temperature TExternal diskThe difference of t1 is greater than third threshold value TcIn extremely
When one few, following steps are also further executed:
That is, having Tint1-TInner disct1<Ta、TExternal diskt1-Toutt1<Tb、TD-TExternal diskt1>TcIn at least one when execute step
S31、S32。
S31 judges the first indoor environment temperature TinT1 and the first indoor coil pipe TInner discWhether the difference of t1 is less than or waits
In the 4th threshold value Td。
S32, judge the first outdoor coil temperature TExternal diskT1 and the first outdoor environment temperature ToutThe difference of t1 whether be less than or
Equal to the 5th threshold value Te。
As the first indoor environment temperature TinT1 and the first indoor coil pipe TInner discThe difference of t1 is less than or equal to the 4th threshold value
TdAnd the first outdoor coil temperature TExternal diskT1 and the first outdoor environment temperature ToutWhether the difference of t1 is less than or equal to the 5th threshold value
Te, then follow the steps S33.
S33, determine the state of air-conditioning for refrigerant leakage.
That is, in Tint1-TInner disct1≤TdAnd TExternal diskt1-Toutt1≤TeWhen, determine the state of air-conditioning for refrigerant leakage.Its
In, refrigerant leakage is specifically as follows: refrigerant leaks completely or refrigerant almost leaks, to system in present example
The amount of cryogen leakage is without limitation.
Optionally, the 4th threshold value TdLess than or equal to 3 DEG C；5th threshold value TeLess than or equal to 3 DEG C.
That is: Td≤3℃；Te≤3℃。
Example IV,
It is more detailed to still further provide a kind of pair of air-conditioning state for the present invention implementation on the basis of above-described embodiment two
Acquisition scheme, specific referring to shown in Fig. 4, this method comprises the following steps.
In above-mentioned steps S12, compressor is also execution step S18 when can normally start.
S18, the second state parameter is obtained.
Wherein, state parameter when the second state parameter is the contracting machine starting of air-conditioning pressure, the second state parameter includes: second
Indoor environment temperature TinT0 and the second indoor coil pipe Tint0。
When in above-mentioned steps S21, S22, S23 when have the first indoor environment temperature TinT1 and the first indoor coil pipe
TInner discThe difference of t1 is less than first threshold Ta, the first outdoor coil temperature TExternal diskThe difference T of t1 and the first outdoor environment temperatureoutt1
Less than second threshold TbAnd delivery temperature TD and the first outdoor coil temperature TExternal diskThe difference of t1 is greater than third threshold value TcIn extremely
When one few, following steps are also further executed:
That is, having Tint1-TInner disct1<Ta、TExternal diskt1-Toutt1<Tb、TD-TExternal diskt1>TcIn at least one when execute step
S41、S42。
S41 judges the second indoor environment temperature TinT0 and the second indoor coil pipe TinWhether the absolute value of the difference of t0
More than or equal to the 6th threshold value Tf。
S42, judge the second indoor coil pipe TInner discT0 and the first indoor coil pipe TInner discThe difference of t1 whether be greater than or
Equal to the 7th threshold value Tg。
As the second indoor environment temperature TinT0 and the second indoor coil pipe TinThe absolute value of the difference of t0 is greater than or equal to
6th threshold value TfAnd the second indoor coil pipe TInner discT0 and the first indoor coil pipe TInner discWhether the difference of t1 is greater than or equal to
7th threshold value TgWhen, execute step S43.
S43, the state for determining the air-conditioning are that the detection of indoor environment temperature sensor temperature is abnormal.
That is, having | Tint0-TInner disct0|≥TdAnd TInner disct0-TInner disct1≥TeWhen, determine the state of the air-conditioning for interior
Environment temperature sensor temperature abnormality detection.
Optionally, the 6th threshold value TfMore than or equal to 3 DEG C；7th threshold value TgMore than or equal to 10 DEG C.
That is, Tf≥3℃；Tg≥10℃。
Embodiment five,
Specifically, the first state parameter in above-described embodiment one includes: the first indoor environment temperature TinT1, the first interior
Coil temperature TInner discT1, the first outdoor environment temperature ToutT1, the first outdoor coil temperature TExternal diskT1 and delivery temperature TD.
Further, referring to Figure 5, if compressor is with heating mode continuous operation preset time, above-mentioned steps S17
The middle state that the air-conditioning is obtained according to first state parameter, can specifically be achieved by the steps of.
S51, judge the first indoor coil pipe TInner discT1 and the first indoor environment temperature TinWhether the difference of t1 is greater than or waits
In the 8th threshold value Th。
S52, judge the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 whether be greater than or
Equal to the 9th threshold value TiAnd it is less than or equal to the tenth threshold value Tj。
S53, judge delivery temperature TD and the first indoor coil pipe TInner discWhether the difference of t1 is less than or equal to the 11st threshold
Value Tk。
As the first indoor coil pipe TInner discT1 and the first indoor environment temperature TinThe difference of t1 is greater than or equal to the 8th threshold
Value Th, the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 is greater than or equal to the 9th threshold value Ti、
First outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 is less than or equal to the tenth threshold value TjAnd it is vented
Temperature TD and the first indoor coil pipe TInner discThe T when difference of t1 is less than or equal to 11 threshold valuek, execute step S54.
S54, the state for determining air-conditioning are normal.
That is, meeting T simultaneouslyInner disct1-Tint1≥Th、Tj≥Toutt1-TExternal diskt1≥Ti、TD-TInner disct1≤TcWhen, judgement obtains
Air-conditioning is normal.
Optionally, the 8th threshold value is greater than or waits 10 DEG C；9th threshold value is greater than or equal to 4 DEG C；Tenth threshold value is less than or equal to
10℃；11st threshold value is less than or equal to 50 DEG C.
That is, Th≥10℃；Ti≥4℃；Tj≤10℃；Tk≤50℃。
Embodiment six,
Can determine that air-conditioning is normal or abnormal in above-described embodiment five by first state parameter, but when air-conditioning
Abnormal reason may be it is various, only maintenance mans personnel can't be made to be accurately judged to extremely by the above-mentioned parameter of air-conditioning
Maintenance program, thus the present invention implement on the basis of above-described embodiment two to still further provide a kind of air-conditioning state it is more detailed
Acquisition scheme, specific referring to shown in Fig. 6, this method comprises the following steps.
In above-mentioned steps S51, S52, S53, when with the first indoor coil pipe TInner discT1 and the first indoor environment temperature
Spend TinThe difference of t1 is less than the 8th threshold value Th, the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1
Value is less than the 9th threshold value Ti, the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 is greater than the tenth
Threshold value TjAnd delivery temperature TD and the first indoor coil pipe TInner discThe T when difference of t1 is greater than 11 threshold valuekIn at least one
When a, following steps are also further executed:
That is, having TInner disct1-Tint1<Th、Toutt1-TExternal diskt1<Ti、Toutt1-TExternal diskt1>Tj；TD-TInner disct1>TkIn at least
At one, following steps S61, S62 and S63 are also further executed.
S61 judges the first indoor coil pipe TInner discT1 and the first indoor environment temperature TinWhether the difference of t1 is less than or waits
In the 12nd threshold value Tl。
S62, judge the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 whether be less than or
Equal to the 13rd threshold value Tm。
As the first indoor coil pipe TInner discT1 and the first indoor environment temperature TinThe difference of t1 is less than or equal to the 12nd threshold
Value TlAnd the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 is less than or equal to the 13rd threshold value
Tm, then follow the steps S63.
S63, determine the state of air-conditioning for refrigerant leakage.
That is, in TInner disct1-Tint1≤TlAnd Toutt1-TExternal diskt1≤TmWhen, determine the state of air-conditioning for refrigerant leakage.Its
In, refrigerant leakage is specifically as follows: refrigerant leaks completely or refrigerant almost leaks, to system in present example
The amount of cryogen leakage is without limitation.
Optionally, the 12nd threshold value is less than or equal to 3 DEG C；13rd threshold value is less than or equal to 3 DEG C.
That is, Tk≤50℃；Tl≤3℃。
Embodiment seven,
The present invention implements to still further provide a kind of air-conditioning state on the basis of above-described embodiment five sentences in more detail
Disconnected scheme, specific referring to shown in Fig. 7, this method comprises the following steps.
In above-mentioned steps S12, compressor is also execution step S18 when can normally start.
S18, the second state parameter is obtained.
Wherein, state parameter when the second state parameter is the contracting machine starting of air-conditioning pressure, the second state parameter includes: second
Indoor environment temperature TinT0 and the second indoor coil pipe Tint0。
In above-mentioned steps S51, S52, S53, when with the first indoor coil pipe TInner discT1 and the first indoor environment temperature
Spend TinThe difference of t1 is less than the 8th threshold value Th, the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1
Value is less than the 9th threshold value Ti, the first outdoor environment temperature ToutT1 and the first outdoor coil temperature TExternal diskThe difference of t1 is greater than the tenth
Threshold value TjAnd delivery temperature TD and the first indoor coil pipe TInner discThe T when difference of t1 is greater than 11 threshold valuekIn at least one
When a, following steps are also further executed:
That is, having TInner disct1-Tint1<Th、Toutt1-TExternal diskt1<Ti、Toutt1-TExternal diskt1>Tj； TD-TInner disct1>TkIn extremely
When one few, following steps S71, S72 and S73 are also further executed.
S71 judges the second indoor environment temperature TinT0 and the second indoor coil pipe TInner discWhether the absolute value of the difference of t0
More than or equal to the 14th threshold value Tn。
S72, judge the first indoor coil pipe TInner discT1 and the second indoor coil pipe TInner discThe difference of t0 whether be greater than or
Equal to the 15th threshold value To。
As the second indoor environment temperature TinT0 and the second indoor coil pipe TInner discThe absolute value of the difference of t0 is greater than or equal to
14th threshold value TnAnd the first indoor coil pipe TInner discT1 and the second indoor coil pipe TInner discThe difference of t0 is greater than or equal to the
15 threshold value ToWhen, execute step S73.
S73, the state for determining air-conditioning are that the detection of indoor environment temperature sensor temperature is abnormal.
That is, having | Tint0-TInner disct0|≥TnAnd TInner disct1-TInner disct0≥ToWhen, output failure cause is indoor environment temperature
It is abnormal to spend sensor temperature detection.
Optionally, the 14th threshold value is greater than or equal to 3 DEG C；15th threshold value is greater than or equal to 10 DEG C.
That is, Tn≥3℃；To≥10℃。
Further, based on any of the above embodiments, the state for exporting air-conditioning is specifically as follows: passing through program generation
The state of the state output air-conditioning of code and/or the display lamp on Air-Conditioning Control Panel.
That is, the state of output air-conditioning is specifically as follows output program code, or on output Air-Conditioning Control Panel
The state of display lamp can also be the state of the display lamp on output program code and output Air-Conditioning Control Panel.
After the state of the state output air-conditioning by the display lamp on program code and/or Air-Conditioning Control Panel, user
Can by the state of air-conditioning compare preset table parse air-conditioning state be specifically defined and problem describe.In addition, preset table
Corresponding maintenance opposite side and suggestion can also be provided in lattice, simultaneously so that user more accurately informs that maintenance personal needs accurately dimension
Material is repaired, and then shortens maintenance cycle.Illustratively, referring to shown in the following table 1, table 1 is to pass through program code and airconditioning control face
It is illustrated for the state output air-conditioning state of display lamp on plate.
Table 1
Wherein, ★ indication lamp is bright；The flashing of ☆ indication lamp；Zero indication lamp goes out.
Embodiment eight,
The embodiment of the present invention provides a kind of air-conditioning state detection device, and the air-conditioning state detection device is for executing above-mentioned reality
The air-conditioning state detection method of one to seven any embodiment of example offer is provided.Shown in specific reference Fig. 8, air-conditioning state detection dress
Set 80, comprising:
Receiving unit 81, for obtaining detection instruction；
Control unit 82, for starting the compressor of air-conditioning according to detection instruction；
Processing unit 83, for judging whether compressor can normally start；
Output unit 84, for exporting Fisrt fault reason when compressor can not normally start；
Whether processing unit 83 is also used to detect compressor when compressor can normally start can be default with continuous operation
Time；
Output unit 84 is also used to be unable to continuous operation preset time in compressor, then exports the second failure cause；
Acquiring unit 85, for obtaining first state parameter when compressor can be with continuous operation preset time；
Processing unit 83 is also used to obtain the state of air-conditioning according to first state parameter；
Output unit 84 is also used to export the state of air-conditioning.
Air-conditioning state detection device provided in an embodiment of the present invention can obtain detection instruction and be passed through by receiving unit
Control unit starts the compressor of air-conditioning according to detection instruction, and exports first when output unit compressor cannot normally start
Failure cause, so air-conditioning state detection method provided in an embodiment of the present invention first can be when compressor cannot normally start
Corresponding Fisrt fault reason is exported, secondly whether processing unit detection compressor can connect when compressor can normally start
Reforwarding row preset time, and output unit is unable to continuous operation preset time in compressor and exports corresponding second failure cause,
Furthermore can be with continuous operation preset time in compressor, then acquiring unit obtains the state parameter after operation of air conditioner preset time,
And processing unit obtains according to the state parameter after operation of air conditioner preset time and exports the state of air-conditioning, so the present invention is real
The state of air-conditioning can be exported in operation of air conditioner by applying example offer air-conditioning state detection device, and then user is made to repair people in reservation
Member visit detection and maintenance when, can accurately inform the state of maintenance personal's air-conditioning.
Optionally, acquiring unit includes: indoor environment temperature sensor, indoor coil pipe sensor, outdoor environment temperature
Spend sensor, outdoor coil temperature sensor and exhaust gas temperature sensor.
Optionally, output unit includes: the display lamp on electronic display and/or Air-Conditioning Control Panel；
Output unit is defeated by the state of electronic display screen displays program code and/or the display lamp on Air-Conditioning Control Panel
The state of air-conditioning out.
Embodiment nine,
The embodiment of the present invention provides a kind of air-conditioning, which includes that above-described embodiment eight provides any air-conditioning state inspection
Survey device.
Air-conditioning in the embodiment of the present invention can be small-sized household air-conditioning, i.e. one-to-one；It can also be multi-gang air-conditioner system
System, i.e., one drag it is more.One-to-one refers to that an outdoor unit passes through the air-conditioning system of piping one indoor unit of connection；One drags and refers to more
It is air-conditioning system of the outdoor unit by piping connection two or more (i.e. at least two) indoor units.No matter for small-sized household
Air-conditioning or multi-online air-conditioning system may include above-mentioned air-conditioning state detection device
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
It is familiar with the maintenance personal of the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (16)
1. a kind of air-conditioning state detection method characterized by comprising
Obtain detection instruction；
Start the compressor of air-conditioning according to the detection instruction, and judges whether the compressor can normally start；
If it is not, then exporting Fisrt fault reason；
Whether can be with continuous operation preset time if so, detecting the compressor；
If the compressor is unable to continuous operation preset time, the second failure cause is exported；
If the compressor can obtain first state parameter with continuous operation preset time, the first state parameter is institute
State parameter after stating operation of air conditioner preset time, specifically includes: the first indoor environment temperature, the first indoor coil pipe,
One outdoor environment temperature, the first outdoor coil temperature and delivery temperature；
It is obtained according to the first state parameter and exports the state of the air-conditioning；
If the state that the first state parameter obtained and exported the air-conditioning be it is normal, obtain the second state parameter；Wherein,
State parameter when second state parameter is the compressor start, second state parameter includes: second Room inner ring
Border temperature and the second indoor coil pipe；
When the difference with first indoor environment temperature and first indoor coil pipe is less than first threshold, described the
The difference of one outdoor coil temperature and first outdoor environment temperature be less than second threshold and the delivery temperature with it is described
When the difference of first outdoor coil temperature is greater than at least one in third threshold value, the method also includes:
Judge whether the absolute value of second indoor environment temperature and the difference of second indoor coil pipe is greater than or waits
In the 6th threshold value；
Judge whether second indoor coil pipe and the difference of first indoor coil pipe are greater than or equal to the 7th threshold
Value；
When second indoor environment temperature and the absolute value of the difference of second indoor coil pipe are greater than or equal to the 6th
When the difference of threshold value and second indoor coil pipe and first indoor coil pipe is greater than or equal to seven threshold values, really
The state of the fixed air-conditioning is that the detection of indoor environment temperature sensor temperature is abnormal.
2. the method according to claim 1, wherein working as compressor continuous operation preset time in a chiller mode
When, the state of the air-conditioning is obtained according to the first state parameter, comprising:
Judge whether first indoor environment temperature and the difference of first indoor coil pipe are greater than or equal to the first threshold
Value；
Judge whether first outdoor coil temperature and the difference of first outdoor environment temperature are greater than or equal to the second threshold
Value；
Judge whether the delivery temperature and the difference of first outdoor coil temperature are less than or equal to third threshold value；
When the difference of first indoor environment temperature and first indoor coil pipe is greater than or equal to first threshold, described
The difference of first outdoor coil temperature and first outdoor environment temperature is greater than or equal to first threshold and the delivery temperature
When being less than or equal to third threshold value with the difference of first outdoor coil temperature, determine that the state of the air-conditioning is normal.
3. according to the method described in claim 2, it is characterized in that；
When the difference with first indoor environment temperature and first indoor coil pipe is less than first threshold, described the
The difference of one outdoor coil temperature and first outdoor environment temperature be less than second threshold and the delivery temperature with it is described
When the difference of first outdoor coil temperature is greater than at least one in third threshold value, the method also includes:
Judge whether first indoor environment temperature and the difference of first indoor coil pipe are less than or equal to the 4th threshold
Value；
Judge whether first outdoor coil temperature and the difference of first outdoor environment temperature are less than or equal to the 5th threshold
Value；
When the difference of first indoor environment temperature and first indoor coil pipe is less than or equal to the 4th threshold value and the
When the difference of one outdoor coil temperature and first outdoor environment temperature is less than or equal to five threshold values, the air-conditioning is determined
State is refrigerant leakage.
4. according to the method described in claim 2, it is characterized in that, the first threshold is greater than or equal to 10 DEG C；Described second
Threshold value is greater than or equal to 8 DEG C；The third threshold value is less than or equal to 50 DEG C.
5. according to the method described in claim 3, it is characterized in that, the 4th threshold value is less than or equal to 3 DEG C；5th threshold
Value is less than or equal to 3 DEG C.
6. the method according to claim 1, wherein the 6th threshold value is greater than or equal to 3 DEG C；7th threshold
Value is greater than or equal to 10 DEG C.
7. the method according to claim 1, wherein the first state parameter includes: the first indoor environment temperature
Degree, the first indoor coil pipe, the first outdoor environment temperature, the first outdoor coil temperature and delivery temperature；
When compressor is with heating mode continuous operation preset time, the shape of the air-conditioning is obtained according to the first state parameter
State, comprising:
Judge whether first indoor coil pipe and the difference of first indoor environment temperature are greater than or equal to the 8th threshold
Value；
Judge whether first outdoor environment temperature and the difference of first outdoor coil temperature are greater than or equal to the 9th threshold
It is worth and is less than or equal to the tenth threshold value；
Judge whether the delivery temperature and the difference of first indoor coil pipe are less than or equal to the 11st threshold value；
When the difference of first indoor coil pipe and first indoor environment temperature is greater than or equal to the 8th threshold value, described
The difference of first outdoor environment temperature and first outdoor coil temperature is greater than or equal to the 9th threshold value and is less than or equal to the
When the difference of ten threshold values and the delivery temperature and first indoor coil pipe is less than or equal to 11 threshold value, institute is determined
It is normal for stating the state of air-conditioning.
8. the method according to the description of claim 7 is characterized in that
When the difference with first indoor coil pipe and first indoor environment temperature is less than the 8th threshold value, described the
The difference of one outdoor environment temperature and first outdoor coil temperature less than the 9th threshold value, first outdoor environment temperature with
The difference of first outdoor coil temperature is greater than the tenth threshold value and the difference of first indoor coil pipe is greater than the tenth
When at least one in one threshold value, determine that the state of the air-conditioning is breakdown of refrigeration system, the method also includes:
Judge whether first indoor coil pipe and the difference of first indoor environment temperature are less than or equal to the 12nd
Threshold value；
Judge whether first outdoor environment temperature and the difference of first outdoor coil temperature are less than or equal to the 13rd
Threshold value；
When the difference of first indoor coil pipe and first indoor environment temperature be less than or equal to the 12nd threshold value and
When the difference of first outdoor environment temperature and first outdoor coil temperature is less than or equal to 13 threshold value, institute is determined
The state of air-conditioning is stated as refrigerant leakage.
9. the method according to the description of claim 7 is characterized in that when the compressor, which is, normally to be started, the side
Method further include:
Obtain the second state parameter；Wherein, second state parameter is the state parameter when compressor of air conditioner starts, institute
Stating the second state parameter includes: the second indoor environment temperature and the second indoor coil pipe；
When the difference with first indoor coil pipe and first indoor environment temperature is less than the 8th threshold value, described the
The difference of one outdoor environment temperature and first outdoor coil temperature less than the 9th threshold value, first outdoor environment temperature with
The difference of first outdoor coil temperature is greater than the tenth threshold value and the difference of first indoor coil pipe is greater than the tenth
When at least one in one threshold value, determine that the state of the air-conditioning is breakdown of refrigeration system, the method also includes:
Judge whether the absolute value of second indoor environment temperature and the difference of second indoor coil pipe is greater than or waits
In the 14th threshold value；
Judge whether first indoor coil pipe and the difference of second indoor coil pipe are greater than or equal to the 15th
Threshold value；
When second indoor environment temperature and the absolute value of the difference of second indoor coil pipe are greater than or equal to the tenth
The difference of four threshold values and first indoor coil pipe and second indoor coil pipe is greater than or equal to the 15th threshold value
When, determine that the state of the air-conditioning is that the detection of indoor environment temperature sensor temperature is abnormal.
10. the method according to the description of claim 7 is characterized in that the 8th threshold value is greater than or equal to 10 DEG C；Described
Nine threshold values are greater than or equal to 4 DEG C；Tenth threshold value is less than or equal to 10 DEG C；11st threshold value is less than or equal to 50 DEG C.
11. according to the method described in claim 8, it is characterized in that, the 12nd threshold value is less than or equal to 3 DEG C；Described
13 threshold values are less than or equal to 3 DEG C.
12. according to the method described in claim 9, it is characterized in that, the 14th threshold value is greater than or equal to 3 DEG C；Described
15 threshold values are greater than or equal to 10 DEG C.
13. the method according to claim 1, wherein the state of the output air-conditioning, comprising:
The state of air-conditioning described in state output by the display lamp on program code and/or Air-Conditioning Control Panel.
14. a kind of air-conditioning state detection device, which is characterized in that require the described in any item air-conditioning shapes of 1-13 for perform claim
State detection method, described device include:
Receiving unit, for obtaining detection instruction；
Control unit, for starting the compressor of air-conditioning according to the detection instruction；
Processing unit, for judging whether the compressor can normally start；
Output unit, for exporting Fisrt fault reason when the compressor can not normally start；
The processing unit is also used to detect whether the compressor can continuously be transported when the compressor can normally start
Row preset time；
The output unit is also used to be unable to continuous operation preset time in the compressor, then exports the second failure cause；
Acquiring unit is specifically included for the acquisition first state parameter when the compressor can be with continuous operation preset time:
Indoor environment temperature sensor, indoor coil pipe sensor, outdoor environment temperature sensor, outdoor coil temperature sensor with
And exhaust gas temperature sensor；
The processing unit is also used to obtain the state of the air-conditioning according to the first state parameter；
The output unit is also used to export the state of the air-conditioning.
15. device according to claim 14, which is characterized in that the output unit includes: electronic display and/or sky
Adjust the display lamp on control panel；
The output unit passes through electronic display screen displays program code and/or the shape of the display lamp on the Air-Conditioning Control Panel
State exports the state of the air-conditioning.
16. a kind of air-conditioning, which is characterized in that including the described in any item air-conditioning state detection devices of claim 14-15.
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| CN108278742B (en) * | 2017-01-04 | 2019-12-24 | 奥克斯空调股份有限公司 | Control method of air conditioner frequency |
| JP6758421B2 (en) * | 2017-01-20 | 2020-09-23 | 三菱電機株式会社 | Air conditioner |
| CN106871378B (en) * | 2017-03-29 | 2019-12-20 | 广东美的暖通设备有限公司 | Method and device for judging poor heat exchange of air conditioner |
| CN109210686B (en) * | 2018-09-20 | 2020-11-20 | 宁波奥克斯电气股份有限公司 | A kind of control method and air conditioner for air conditioner to prevent cold wind |
| CN111895623A (en) * | 2020-08-12 | 2020-11-06 | 上海市建筑科学研究院有限公司 | Control method and system for multi-connected air-conditioning units |
| CN113074442B (en) * | 2021-02-19 | 2022-02-22 | 珠海格力电器股份有限公司 | Detection method and equipment for preventing reverse installation of air conditioner frequency converter and air conditioner |
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| CN103090504B (en) * | 2011-11-04 | 2015-07-01 | 珠海格力电器股份有限公司 | Air conditioner and detection method and device thereof |
| CN104677551A (en) * | 2013-11-26 | 2015-06-03 | 美的集团股份有限公司 | Refrigerant leakage detection method for air conditioning system |
| CN104566838B (en) * | 2015-02-02 | 2017-11-14 | 珠海格力电器股份有限公司 | Fault detection method and device of air conditioner |
| CN104949278A (en) * | 2015-06-25 | 2015-09-30 | 海信（山东）空调有限公司 | Method and device for detecting refrigerant leakage of air conditioner and air-conditioning device |
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