CN110486890A - Air conditioner and its control method - Google Patents
Air conditioner and its control method Download PDFInfo
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- CN110486890A CN110486890A CN201810457926.1A CN201810457926A CN110486890A CN 110486890 A CN110486890 A CN 110486890A CN 201810457926 A CN201810457926 A CN 201810457926A CN 110486890 A CN110486890 A CN 110486890A
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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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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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
- 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
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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
- F24F11/70—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
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- 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
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- 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)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (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: the current value of detection blower fan in the case of fan operation；Current value 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；The frequency of compressor is adjusted according to 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 frequency of compressor according to above-mentioned current differential, to improve the refrigerating/heating amount of indoor unit, 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 refrigerating/heating amount.
Another further object of the present invention is in order to avoid dirty stifled influence air conditioner air-out amount.
On the one hand, the present invention provides a kind of control method of air conditioner, air conditioner includes compressor, and is set to room
The dirt filtrating screen of interior machine air inlet, control method include: the electricity of detection blower fan in the case of the fan operation of air conditioner room unit
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 frequency of compressor is adjusted according to current differential.
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, it may be assumed that Δ Y=Y0- Y.
Optionally, the step of adjusting the frequency of compressor according to current differential includes: the frequency value added for calculating compressor
Δ H, frequency value added are calculated according to the following formula: Δ H=C × Δ Y, and wherein C is a constant；By current compressor frequency
Rate improves Δ H.
Optionally, after the step of adjusting the frequency of compressor according to current differential further include: adjusted according to current differential
The revolving speed of blower.
Optionally, after the step of adjusting the frequency of compressor according to current differential further include: send prompt letter to user
Breath, 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: compressor is set in air-conditioner outdoor unit, is matched
It is set to compression refrigerant refrigerating/heating；Indoor unit, indoor unit include: blower, are set to inside indoor unit, are used for indoor air-supply；
Dirt filtrating screen is set to the air inlet of indoor unit；Current detection means is electrically connected with blower, is configured to the electric current of detection blower fan
Value；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 frequency of compressor 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 frequency value added Δ H of compressor, frequency value added is according to following
Formula is calculated: Δ H=C × Δ Y, and wherein C is a constant；Control device is configured to mention current compressor frequency
High Δ H.
Optionally, control device is configured to: the revolving speed of blower 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 frequency of compressor is adjusted according to current differential.Predetermined current threshold, which refers to, is in relatively light dirty stifled rank in dirt filtrating screen
When 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
Obtained current differential can embody the dirty stifled degree of dirt filtrating screen, and above-mentioned difference is bigger, indicate that dirty degree situation is more serious.The present invention
Method properly increase the frequency of compressor according to above-mentioned current differential and prevent dust filtering to improve the refrigerating/heating amount of indoor unit
Dirty stifled influence air conditioner refrigerating/heating is netted, ensure that air conditioner runnability.
Further, control method of the invention adjusts the revolving speed of cross flow fan also according to current differential.Due to dirt filtrating screen
It is dirty it is stifled also will affect indoor unit airflow, cause indoor unit air output to reduce.Therefore it is adjusted to compressor frequency
On the basis of, the revolving speed of blower can also be further increased, to improve the air output of indoor unit.The revolving speed value added of blower is still
It can be set according to above-mentioned current differential, prevent the dirty stifled influence air conditioner air-out of dirt filtrating screen, further ensure air conditioner
Runnability.
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, compressor 100, dirt filtrating screen 213, electricity
Flow detection device 300 and control device 400.Casing 210 further comprises: top plate and bottom plate, backboard, left plaque 211 and right plaque
212 equal components.The air inlet of indoor unit can be set on the backboard of casing 210.The air outlet of indoor unit is provided with casing 210
Leading flank on, in the present embodiment, between left plaque 211 and right plaque 212 gap formed air outlet, air outlet is along indoor unit
It is vertically extending.Blower 220 is used to provide wind-power for air conditioner, and in the present embodiment, blower 220 can be to be set to machine
Cross flow fan 220 inside shell 210 is used for indoor air-supply.Air inlet is provided with air-inlet grille, sets on the inside of air-inlet grille
It is equipped with dirt filtrating screen 213, dirt filtrating screen 213 is for preventing the dust in air from entering inside casing 210.213 long-time of dirt filtrating screen makes
With rear, surface is easy to gather dust and condensed water, causes mesh dirty stifled, influences the normal operation of air conditioner.In addition, through-flow wind
Machine 220 is easy dust and foreign matter on sucking dirt filtrating screen 213, increases its operating load, to cause the reduction of its operating current.Pressure
Contracting machine is set in air-conditioner outdoor unit, is configured to compression refrigerant refrigeration.In the present embodiment, air conditioner is transducer air conditioning,
I.e. its compressor frequency is adjustable.
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 compressor again
100 running frequency.In general, the operating load that will lead to blower 220 increases if dirt filtrating screen 213 is dirty stifled, blower is flowed through
220 electric current 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 frequency value added Δ H of compressor 100, frequency value added is according to following public affairs
Formula is calculated:
Δ H=C × Δ Y, wherein C is a constant；The frequency of current compressor 100 is improved Δ H 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, to influence changing for indoor set heat exchanger
The thermal efficiency causes indoor unit insufficient to indoor cooling supply or heat supply.The running frequency of compressor 100 is improved, at this time to improve room
The refrigerating/heating amount of interior machine heat exchanger, it is ensured that the performance of air conditioner.In the present embodiment, the frequency values Δ that compressor 100 is promoted
H and above-mentioned current differential Δ Y are directly proportional.Namely above-mentioned current differential is bigger, and dirt filtrating screen 213 is dirty to block up more serious, compressor 100
Frequency upgrading it is more.
Control device 400 is configured to: the revolving speed of blower 220 is adjusted according to current differential.Dirty due to dirt filtrating screen 213 is blocked up
Cause the circulation of indoor unit internal gas flow unsmooth, also needs to properly increase cross flow fan according to the dirty stifled degree of dirt filtrating screen 213 at this time
220 running speed, to reinforce rate of air circulation.In the present embodiment, the tachometer value Δ S that blower 220 is promoted is equally and above-mentioned
Current differential Δ Y is directly proportional.
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:
S402 is walked, 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 compressor of air conditioner 100 is adjusted, so that air conditioner reaches optimal operational condition.One
As for, if the dirty stifled situation of dirt filtrating screen 213 is more serious, will lead to blower 220 running resistance increase, flow through the electricity of blower 220
Flow valuve 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, according to the frequency of current differential tune compressor 100.Dirty block up of dirt filtrating screen 213 will lead in indoor unit
Portion's airflow is unsmooth, causes the reduction of indoor set heat exchanger heat exchange efficiency, needs at this time suitable according to the dirty stifled degree of dirt filtrating screen 213
When the frequency for improving compressor 100, to increase the refrigerating/heating amount of indoor unit, it is ensured that the performance of air-conditioning prevents interior to be not achieved
The temperature that user requires.In the present embodiment, above-mentioned current differential is bigger, needs 100 frequency upgrading of compressor is 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 heat exchange of indoor set heat exchanger, has answered at this time
The frequency to compressor 100 is promoted.
Step S508, if the judging result of step S504 be it is no, keep current 100 frequency of compressor constant.If current
Blower 220 current value Y be greater than or equal to predetermined current threshold Y0, indicate that current dirt filtrating screen 213 is very clean, dirty stifled degree
The normal heat exchange of indoor set heat exchanger is not influenced, current 100 frequency of compressor can be kept constant at this time.
Step S510 calculates the frequency value added Δ H of compressor 100.Frequency value added is calculated according to the following formula:
Δ H=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 100 frequency of compressor and the above-mentioned current differential being calculated at
Proportional relation.
Current 100 frequency of compressor is improved Δ H by step S512.
Step S514 adjusts the revolving speed of blower 220 according to current differential and sends prompt information to user.Due to dirt filtrating screen
The 213 dirty stifled airflow that also will affect indoor unit, causes the air output of indoor unit to reduce.Therefore to compressor 100 into
On the basis of row raising frequency, the revolving speed of cross flow fan 220 can also be further increased, to improve the airflow amount of indoor unit.In
In the present embodiment, the revolving speed lifting values of blower 220 still can be set according to above-mentioned current differential.In addition, air conditioner is also
Prompt information can be sent to user, prompt user to need to clean dirt filtrating screen 213 in time, avoid dirt filtrating screen 213 dirty
It remains in operation under stifled serious situation, reduces the failure rate of blower 220, reduce 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 air conditioner include compressor, and are set to the dust filtering of indoor unit air inlet
Net, the control method include:
In the case of the fan operation of the air conditioner room unit, 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 frequency of the compressor 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 frequency of the compressor according to the current differential
Step includes:
The frequency value added Δ H of the compressor is calculated, the frequency value added is calculated according to the following formula:
Δ H=C × Δ Y, wherein C is a constant；
The current compressor frequency is improved into Δ H.
4. control method according to claim 3, wherein adjusting the frequency of the compressor according to the current differential
After step further include:
The revolving speed of the blower is adjusted according to the current differential.
5. control method according to claim 3, wherein adjusting the frequency of the compressor according to the current differential
After step 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:
Compressor is set in the air-conditioner outdoor unit, is configured to compression refrigerant refrigerating/heating；
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 frequency of the compressor 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 frequency value added Δ H of the compressor is calculated, the frequency value added is calculated according to the following formula:
Δ H=C × Δ Y, wherein C is a constant；
The control device is configured to the current compressor frequency improving Δ H.
9. air conditioner according to claim 8, wherein the control device is configured to:
The revolving speed of the blower 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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| CN201810457926.1A CN110486890A (en) | 2018-05-14 | 2018-05-14 | Air conditioner and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940038A (en) * | 2019-12-17 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | Air conditioner dust removal control method and device, air conditioner and computer readable storage medium |
| CN114593501A (en) * | 2022-04-21 | 2022-06-07 | 四川长虹空调有限公司 | Electric heating control method and device of air conditioner |
| WO2023005243A1 (en) * | 2021-07-28 | 2023-02-02 | 广东美的暖通设备有限公司 | Indoor unit filter screen detection method, indoor unit, air conditioner, and readable storage medium |
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