CN110486889A - Air conditioner and its control method - Google Patents
Air conditioner and its control method Download PDFInfo
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- CN110486889A CN110486889A CN201810456286.2A CN201810456286A CN110486889A CN 110486889 A CN110486889 A CN 110486889A CN 201810456286 A CN201810456286 A CN 201810456286A CN 110486889 A CN110486889 A CN 110486889A
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- blower
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
-
- 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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air conditioner and its control methods, and wherein method includes: to detect the current value of the blower in the case of fan operation；The current value is compared with predetermined current threshold, and the current differential of the two is calculated, to determine the dirty stifled degree of the dust filtration net；The revolving speed of the blower is adjusted according to the current differential.Predetermined current threshold refers to the maximum current value when dirt filtrating screen is in relatively light dirty stifled rank.Since the dirty stifled fan operation load that will lead to of dirt filtrating screen increases, current value is reduced, and the above-mentioned current differential calculated can embody the dirty stifled degree of dirt filtrating screen, and above-mentioned difference is bigger, indicates that dirty degree situation is more serious.Method of the invention properly increases the running speed of cross flow fan according to above-mentioned current differential, to reinforce rate of air circulation, prevents the dirty stifled influence air conditioner air-out amount of dirt filtrating screen, ensure that air conditioner runnability.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of air conditioner and its control method.
Background technique
The air inlet of current air conditioner room unit is both provided with filter screen, and dust is all deposited on filter screen after filtering
On.Need user's periodic cleaning, otherwise bacterium easy to breed causes secondary pollution, and dust influence indoor unit air output and
Air supplying distance, to influence the refrigeration and heating effect of air conditioner.Meanwhile the heat exchanger of indoor unit is also easy dust, heat exchanger
On dust also will affect the air output of indoor unit, to influence the refrigeration and heating effect of air conditioner.
In consideration of it, during studying the dirty stifled control of air conditioner, it is thus proposed that by detecting indoor power,
And with it is not dirty stifled when power reference compare, by the power conversion of blower judge air conditioner whether occur it is dirty block up.But in sky
Adjust in device practical work process, blower consumed power under same revolving speed, in addition to by it is dirty it is stifled influence other than, also suffer from air-conditioning
The influence of device other parameters, therefore still can not accurately detect dirty stifled situation.In addition, existing air conditioner is determining that appearance is dirty
The operating status of air conditioner cannot be adjusted in time in time after stifled, so as to cause air conditioner because dirty block up occurs under performance
Drop, influences user's normal use.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State the air conditioner and its control method of problem.
A further object of the present invention is in order to avoid dirty stifled influence air conditioner air-out amount.
Another further object of the present invention is in order to avoid dirty stifled influence air conditioner refrigerating/heating amount.
On the one hand, the present invention provides a kind of control method of air conditioner, the indoor unit of air conditioner includes blower, Yi Jishe
It is placed in the dirt filtrating screen of air inlet, control method includes: the current value of detection blower fan in the case of fan operation；By current value
It is compared with predetermined current threshold, and the current differential of the two is calculated, to determine the dirty stifled degree of dirt filtrating screen；According to electricity
Flow the revolving speed that difference adjusts blower.
Optionally, current value is compared with predetermined current threshold, and the step of current differential of the two is calculated
It include: to judge whether the current value Y of blower is less than predetermined current threshold Y0；If so, predetermined current threshold to be subtracted to the electricity of blower
Flow valuve obtains current differential Δ Y, i.e. Δ Y=Y0- Y.
Optionally, the step of adjusting the revolving speed of blower according to current differential includes: the revolving speed value added Δ S for calculating blower,
Revolving speed value added is calculated according to the following formula: Δ S=C × Δ Y, and wherein C is a constant；Current rotation speed of fan is improved
ΔS。
Optionally, after the step of adjusting the revolving speed of blower according to current differential further include: adjusted according to current differential empty
Adjust the compressor frequency of device.
Optionally, after the step of adjusting the revolving speed of blower according to current differential further include: prompt information is sent to user,
To prompt user to execute cleaning operation to dirt filtrating screen.
On the other hand, the present invention also provides a kind of air conditioners, comprising: indoor unit, indoor unit include: blower, are set to
Inside indoor unit, it is used for indoor air-supply；Dirt filtrating screen is set to the air inlet of indoor unit；Current detection means, with blower electricity
Connection, is configured to the current value of detection blower fan；Control device is configured to for current value being compared with predetermined current threshold, and
The current differential of the two is calculated；And the revolving speed of blower is adjusted according to current differential.
Optionally, control device includes computing module, and computing module is configured to: being less than in the current value Y of blower default
Current threshold Y0In the case where, the current value that predetermined current threshold subtracts blower is obtained into current differential Δ Y, it may be assumed that Δ Y=Y0
Y。
Optionally, computing module is configured to: calculating the revolving speed value added Δ S of blower, revolving speed value added is according to following public affairs
Formula is calculated: Δ S=C × Δ Y, and wherein C is a constant；Control device is configured to current rotation speed of fan improving Δ
S。
Optionally, control device is configured to: the compressor frequency of air conditioner is adjusted according to current differential.
Optionally, above-mentioned air conditioner further include: suggestion device is configured to be less than predetermined current threshold in the current value Y of blower
Value Y0In the case where, prompt information is sent to user, to prompt user to execute cleaning operation to dirt filtrating screen.
The present invention provides a kind of control methods of air conditioner, comprising: in the case of fan operation, the electricity of detection blower fan
Flow valuve；Current value is compared with predetermined current threshold, and the current differential of the two is calculated, to determine the dirty of dirt filtrating screen
Stifled degree；The revolving speed of blower is adjusted according to current differential.Predetermined current threshold refers to when dirt filtrating screen is in relatively light dirty stifled rank
Maximum current value.Since the dirty stifled fan operation load that will lead to of dirt filtrating screen increases, current value is reduced, above-mentioned to be computed
To current differential can embody the dirty stifled degree of dirt filtrating screen, above-mentioned difference is bigger, indicates that dirty degree situation is more serious.Of the invention
Method properly increases the running speed of cross flow fan according to above-mentioned current differential, to reinforce rate of air circulation, prevents dirt filtrating screen dirty
It is stifled to influence air conditioner air-out amount, it ensure that air conditioner runnability.
Further, control method of the invention adjusts the running frequency of compressor also according to current differential.Due to dust filtering
The dirty stifled heat exchange efficiency that also will affect indoor machine evaporation of net, causes indoor unit insufficient to indoor cooling supply or heat supply.Therefore
On the basis of rotation speed of fan is adjusted, the running frequency of compressor can also be further increased, is changed with improving indoor unit
The refrigerating/heating amount of hot device.The frequency upgrading value of compressor still can be set according to above-mentioned current differential, prevent dust filtering
Dirty stifled influence air conditioner refrigerating/heating amount is netted, air conditioner runnability is further ensured.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the front schematic view of air conditioner room unit according to an embodiment of the invention；
Fig. 2 is the decomposition diagram of air conditioner room unit according to an embodiment of the invention；
Fig. 3 is the schematic block diagram of air conditioner according to an embodiment of the invention；
Fig. 4 is the schematic diagram of the control method of air conditioner according to an embodiment of the invention；
Fig. 5 is the flow chart of the control method of air conditioner according to an embodiment of the invention.
Specific embodiment
The present embodiment provides firstly a kind of air conditioner, and as shown in Figure 1 to Figure 3, in the present embodiment, air conditioner is vertical
Air conditioner.Above-mentioned indoor unit includes: casing 210, cross flow fan 220, indoor set heat exchanger, dirt filtrating screen 213, current detection means
300 and control device 400.Casing 210 further comprises: the components such as top plate and bottom plate, backboard, left plaque 211 and right plaque 212.
The air inlet of indoor unit can be set on the backboard of casing 210.The air outlet of indoor unit is provided with the leading flank of casing 210
On, in the present embodiment, gap forms air outlet between left plaque 211 and right plaque 212, and air outlet vertically prolongs along indoor unit
It stretches.Blower 220 is used to provide wind-power for air conditioner, and in the present embodiment, blower 220 can be to be set in casing 210
The cross flow fan 220 in portion is used for indoor air-supply.Air inlet is provided with air-inlet grille, and filter is provided on the inside of air-inlet grille
Dirt net 213, dirt filtrating screen 213 is for preventing the dust in air from entering inside casing 210.After 213 long-time use of dirt filtrating screen,
Surface is easy to gather dust and condensed water, causes mesh dirty stifled, influences the normal operation of air conditioner.In addition, cross flow fan 220 holds
Dust and foreign matter easily on sucking dirt filtrating screen 213, increase its operating load, to cause the reduction of its operating current.
Current detection means 300 is used for the electric current of detection blower fan 220, and in the present embodiment, current detection means 300 can be with
For galvanometer.Control device 400 can be the computer board for being set to air conditioner room unit.Computer board and cross flow fan 220, air-conditioning
The equal components electrical connection of device compressor 100, and control the operation of these components.
When control device 400 receives the current signal that current detection means 300 detects, by the current value and preset
Current threshold is compared, and the dirty stifled degree of dirt filtrating screen 213 is judged according to comparison result, then determines indoor unit blower again
220 revolving speed.In general, the operating load that will lead to blower 220 increases if dirt filtrating screen 213 is dirty stifled, blower 220 is flowed through
Current value will reduce.The current value of current blower 220 and predetermined current threshold are compared, can determine dirt filtrating screen 213
Dirty stifled degree.
Control device 400 includes computing module 410, the data that computing module 410 is used to receive control device 400 into
Row calculates and processing.Computing module 410 is configured to: being less than predetermined current threshold Y in the current value Y of blower 2200In the case where,
The current value that predetermined current threshold subtracts blower 220 is obtained into current differential Δ Y, it may be assumed that Δ Y=Y0- Y.In the present embodiment,
Predetermined current threshold refers to the maximum current value when dirt filtrating screen 213 is in relatively light dirty stifled rank, which can be by this field
Technical staff obtains according to experiment or experience.The above-mentioned difference calculated can embody the dirty stifled degree of dirt filtrating screen 213,
Specifically, above-mentioned difference is bigger, indicates that dirty degree situation is more serious.
Computing module 410 is configured to: calculating the revolving speed value added Δ S of blower 220, revolving speed value added is according to the following formula
It is calculated:
Δ S=C × Δ Y, wherein C is a constant；Current 220 revolving speed of blower is improved Δ S by control device 400.
Dirt filtrating screen 213 it is dirty it is stifled to will lead to the circulation of indoor unit internal gas flow unsmooth, needed at this time according to the dirty of dirt filtrating screen 213
Stifled degree properly increases the running speed of cross flow fan 220, to reinforce rate of air circulation.In the present embodiment, blower 220 is promoted
Tachometer value Δ S and above-mentioned current differential Δ Y it is directly proportional.Namely above-mentioned current differential is bigger, and dirt filtrating screen 213 is dirty stifled tighter
Weight, 220 revolving speed of blower are promoted more.
Control device 400 is configured to: 100 frequency of compressor of air conditioner is adjusted according to current differential.Due to dirt filtrating screen
The 213 dirty stifled heat exchange efficiency that also will affect indoor machine evaporation, causes indoor unit insufficient to indoor cooling supply or heat supply.Therefore
On the basis of 220 revolving speed of blower is adjusted, the running frequency of compressor 100 can also be further increased, to improve room
The refrigerating/heating amount of interior machine heat exchanger.In the present embodiment, the frequency upgrading value of compressor 100 still can be according to above-mentioned electricity
Stream difference is set.
Above-mentioned air conditioner further include: suggestion device 500.Suggestion device 500 is configured to be less than in the current value Y of blower 220
Predetermined current threshold Y0In the case where, prompt information is sent to user, to prompt user to execute cleaning operation to dirt filtrating screen 213.
In the present embodiment, suggestion device 500 can be the display screen of air conditioner.210 front panel of casing of air conditioner room unit is arranged
Have display screen, when detect blower 220 current value Y be less than predetermined current threshold Y0In the case where, it will be prompted to information and be sent to
So that user checks on display screen.Above-mentioned prompt information can be text information, such as: display text prompt: " need to dust filtering
Net 213 is cleaned in time, avoids dirt filtrating screen 213 dirty stifled serious ".In other embodiment of the present invention, suggestion device
500 can also be sound prompt devices 500 or the other kinds of suggestion devices 500 such as buzzer, it is not limited to display screen.
The present invention also provides a kind of control methods of air conditioner.Fig. 4 is air conditioner according to an embodiment of the invention
Control method schematic diagram, this method generally the following steps are included:
Step S402, in the case of blower 220 is run, the current value of detection blower fan 220.In the operational process of air conditioner
In, lasting detection (or detecting at interval of a period of time) flows through the current value size of blower 220.Above-mentioned 220 electric current of blower it is big
It is small related to the dirty stifled degree of dirt filtrating screen 213, therefore air conditioner can determine current dirt filtrating screen according to 220 size of current of blower
213 dirty stifled degree, and then the blower of air conditioner 220 is adjusted, so that air conditioner reaches optimal operational condition.Generally
For, if the dirty stifled situation of dirt filtrating screen 213 is more serious, the running resistance that will lead to blower 220 is increased, and flows through the electric current of blower 220
Value will reduce.Therefore, the electric current of blower 220 is smaller, indicates that the dirty stifled situation of dirt filtrating screen 213 is more serious.
Current value is compared by step S404 with predetermined current threshold, and the current differential of the two is calculated.At this
In embodiment, predetermined current threshold refers to the maximum current value when dirt filtrating screen 213 is in relatively light dirty stifled rank, which can be with
It is obtained by those skilled in the art according to experiment or experience.The above-mentioned difference calculated embodies the dirty stifled of dirt filtrating screen 213
Degree, specifically, above-mentioned difference are bigger, indicate that dirty degree situation is more serious.
Step S406 adjusts the revolving speed of blower 220 according to current differential.Dirty block up of dirt filtrating screen 213 will lead in indoor unit
Portion's airflow is unsmooth, needs to properly increase the running speed of cross flow fan 220 at this time according to the dirty stifled degree of dirt filtrating screen 213,
To reinforce rate of air circulation.In the present embodiment, above-mentioned current differential is bigger, needs to promote 220 revolving speed of blower more.
Fig. 5 is the flow chart of the control method of air conditioner according to an embodiment of the invention, this method successively execute with
Lower step:
Step S502, in the case of blower 220 is run, the current value of detection blower fan 220.
Step S504, judges whether the current value Y of blower 220 is less than predetermined current threshold Y0。
Step S506, if the judging result of step S504 be it is yes, the current value that predetermined current threshold subtracts blower 220 is obtained
To current differential Δ Y, i.e. Δ Y=Y0- Y.If the current value Y of current blower 220 is less than predetermined current threshold Y0, indicate current
Dirt filtrating screen 213 has occurred that a degree of dirty stifled, and has influenced the normal operation of blower 220, at this time should be right
The revolving speed of blower 220 is promoted.
Step S508, if the judging result of step S504 be it is no, keep current 220 revolving speed of blower constant.If current
The current value Y of blower 220 is greater than or equal to predetermined current threshold Y0, indicate that current dirt filtrating screen 213 is very clean, dirty stifled degree is simultaneously
Not through influencing the normal operation of blower 220, current 220 revolving speed of blower can be kept constant at this time.
Step S510 calculates the revolving speed value added Δ S of blower 220.Revolving speed value added is calculated according to the following formula:
Δ S=C × Δ Y, wherein C is a constant, occurrence can according to the empirically determined of those skilled in the art or
It is measured according to experiment.In the present embodiment, the value added of 220 revolving speed of blower and the above-mentioned current differential being calculated are at just
The relationship of ratio.
Current 220 revolving speed of blower is improved Δ S by step S512.
Step S514 adjusts the running frequency of compressor 100 according to current differential and sends prompt information to user.Due to
The dirty stifled heat exchange efficiency that also will affect indoor machine evaporation of dirt filtrating screen 213, cause indoor unit to indoor cooling supply or heat supply not
Foot.Therefore on the basis of 220 revolving speed of blower is adjusted, the running frequency of compressor 100 can also be further increased, with
Improve the refrigerating/heating amount of indoor set heat exchanger.In the present embodiment, the frequency upgrading value of compressor 100 still can basis
Above-mentioned current differential is set.In addition, air conditioner can also send prompt information to user, user is prompted to need to dirt filtrating screen
213 are cleaned in time, are avoided dirt filtrating screen 213 from remaining in operation under dirty stifled serious situation, are reduced the failure of blower 220
Rate reduces the noise of blower 220.
It will be understood by those skilled in the art that in case of no particular description, so-called "upper" in the embodiment of the present invention,
"lower", "left", "right", "front", "rear" etc. are for indicating that the term of orientation or positional relationship is the actual use shape with air conditioner
For on the basis of state, these terms are merely for convenience of describing and understand technical solution of the present invention, rather than indicate or dark
Show that signified device or component must have a particular orientation, therefore is not considered as limiting the invention.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
1. a kind of control method of air conditioner, the indoor unit of the air conditioner include blower, and are set to the dust filtering of air inlet
Net, the control method include:
In the case of the fan operation, the current value of the blower is detected；
The current value is compared with predetermined current threshold, and the current differential of the two is calculated, with the determination filter
The dirty stifled degree of dirt net；
The revolving speed of the blower is adjusted according to the current differential.
2. control method according to claim 1 wherein the current value is compared with predetermined current threshold, and is counted
Calculating the step of obtaining the current differential of the two includes:
Judge whether the current value Y of the blower is less than predetermined current threshold Y0；
If so, the current value that the predetermined current threshold subtracts the blower is obtained the current differential Δ Y, it may be assumed that
Δ Y=Y0- Y.
3. control method according to claim 2, wherein adjusting the step of the revolving speed of the blower according to the current differential
Suddenly include:
The revolving speed value added Δ S of the blower is calculated, the revolving speed value added is calculated according to the following formula:
Δ S=C × Δ Y, wherein C is a constant；
The current rotation speed of fan is improved into Δ S.
4. control method according to claim 3, wherein adjusting the step of the revolving speed of the blower according to the current differential
After rapid further include:
The compressor frequency of the air conditioner is adjusted according to the current differential.
5. control method according to claim 3, wherein adjusting the step of the revolving speed of the blower according to the current differential
After rapid further include:
Prompt information is sent to user, to prompt user to execute cleaning operation to the dust filtration net.
6. a kind of air conditioner, comprising:
Indoor unit, the indoor unit include:
Blower is set to inside the indoor unit, is used for indoor air-supply；
Dirt filtrating screen is set to the air inlet of the indoor unit；
Current detection means is electrically connected with the blower, is configured to detect the current value of the blower；
Control device is configured to for the current value being compared with predetermined current threshold, and the current difference of the two is calculated
Value；And the revolving speed of the blower is adjusted according to the current differential.
7. air conditioner according to claim 6, wherein the control device includes computing module, the computing module is also matched
It is set to:
It is less than predetermined current threshold Y in the current value Y of the blower0In the case where, predetermined current threshold is subtracted into the blower
Current value obtains the current differential Δ Y, it may be assumed that
Δ Y=Y0- Y.
8. air conditioner according to claim 7, wherein the computing module is configured to:
The revolving speed value added Δ S of the blower is calculated, the revolving speed value added is calculated according to the following formula:
Δ S=C × Δ Y, wherein C is a constant；
The control device is configured to the current rotation speed of fan improving Δ S.
9. air conditioner according to claim 8, wherein the control device is configured to:
The compressor frequency of the air conditioner is adjusted according to the current differential.
10. air conditioner according to claim 8, further includes:
Suggestion device is configured to be less than predetermined current threshold Y in the current value Y of the blower0In the case where, it sends and mentions to user
Show information, to prompt user to execute cleaning operation to the dust filtration net.
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| CN201810456286.2A CN110486889A (en) | 2018-05-14 | 2018-05-14 | Air conditioner and its control method |
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| CN201810456286.2A CN110486889A (en) | 2018-05-14 | 2018-05-14 | Air conditioner and its control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283874A (en) * | 2020-10-30 | 2021-01-29 | 海信（山东）空调有限公司 | Air conditioner and fresh air pipeline cleaning method |
| CN112728741A (en) * | 2020-12-30 | 2021-04-30 | 珠海拓芯科技有限公司 | Control method and device of air conditioner fan and air conditioner |
| CN115218474A (en) * | 2022-07-26 | 2022-10-21 | 青岛海尔空调器有限总公司 | Filter screen structure and air conditioning system |
| CN115234984A (en) * | 2022-07-26 | 2022-10-25 | 青岛海尔空调器有限总公司 | Air conditioning system, filter cleaning method and device |
| CN115289545A (en) * | 2022-07-26 | 2022-11-04 | 青岛海尔空调器有限总公司 | Air conditioning system, filtering method and device and storage medium |
| CN115574860A (en) * | 2022-09-21 | 2023-01-06 | 爱优特空气技术（上海）有限公司 | Automatic identification device and method for filth blockage condition of micro-electrostatic dust collection module |
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