CN109916039A - Air conditioner automatically cleaning humidifying controlling method - Google Patents
Air conditioner automatically cleaning humidifying controlling method Download PDFInfo
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- CN109916039A CN109916039A CN201910219004.1A CN201910219004A CN109916039A CN 109916039 A CN109916039 A CN 109916039A CN 201910219004 A CN201910219004 A CN 201910219004A CN 109916039 A CN109916039 A CN 109916039A
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- air conditioner
- water
- automatically cleaning
- controlling method
- humidification module
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- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 78
- 238000009692 water atomization Methods 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000428 dust Substances 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
Classifications
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
-
- 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
-
- 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
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to air conditioner technical fields, specifically provide a kind of air conditioner automatically cleaning humidifying controlling method.In order to improve the self-cleaning effect of air conditioner, air conditioner automatically cleaning humidifying controlling method of the invention includes: the heat exchanger image that the current humidity and indoor unit of room air are obtained in the case of air conditioner needs to be implemented automatically cleaning；Heat exchanging device image is handled, and the dirty degree of heat exchanger is obtained；The target humidity of room air needed for calculating frosting intensity according to the dirty degree of heat exchanger and meet frosting intensity；According to the control of the target humidity of the current humidity of room air and room air to the humidification amount of room air.The present invention is by control to the humidification amount of room air, to effectively avoid the too low situation for being unable to reach default frosting intensity of indoor air humidity and avoid the situation for also continuing humidifying room air because indoor air humidity is excessively high, it ensure that frosting thickness of air conditioner during automatically cleaning, further promote the self-cleaning effect of air conditioner.
Description
Technical field
The invention belongs to air conditioner technical fields, specifically provide a kind of air conditioner automatically cleaning humidifying controlling method.
Background technique
Air conditioner is the equipment that can be indoor refrigerating/heating, over time, the dust stratification on air conditioner room unit
Can gradually it increase, dust stratification accumulation can breed a large amount of bacterium, when especially air flows through indoor unit indoors, meeting afterwards to a certain extent
Carry a large amount of dust and bacterium, it is therefore desirable to clean in time to air conditioner.Present air conditioner mostly uses self-cleaning side
Formula, i.e., by the operation of control indoor unit, so that the frosting of evaporator elder generation, rear defrost, clean evaporator using defrost.
When air conditioner carries out automatically cleaning, the intensity of self-cleaning effect and frosting has very big relationship, and frosting is strong
Degree has very big relationship with indoor humidity.When indoor air quality is poor, if used using the moisture in room air
If carrying out frosting, the dust in air can also be brought into, influence self-cleaning effect.Moreover, humidification is excessively also resulted in from clear
Clean frosting is blocked up, it is possible to certain damage is caused to machine.
Therefore, the invention proposes a kind of air conditioner automatically cleaning humidifying controlling methods to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to improve the self-cleaning effect of air conditioner, the present invention is proposed
A kind of air conditioner automatically cleaning humidifying controlling method, the air conditioner include indoor unit and by way of defrost after first frosting
Automatically cleaning is carried out to the indoor unit, the air conditioner automatically cleaning humidifying controlling method includes the following steps: S110, in the sky
In the case of adjusting device to need to be implemented automatically cleaning, the current humidity of room air and the heat exchanger image of the indoor unit are obtained；
S120, the heat exchanger image is handled, obtains the dirty degree of the heat exchanger；S130, according to the dirt of the heat exchanger
The target humidity of room air needed for turbidity calculates frosting intensity and meets the frosting intensity；S140, according to the room
The target humidity of the current humidity of interior air and the room air controls the humidification amount to the room air；Wherein, described
Frosting intensity is the frosting degree during air conditioner execution automatically cleaning.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, step S140 is specifically included: working as institute
When stating the current humidity of room air lower than the target humidity, calculated according to the target humidity by the indoor air-humidification
To humidification water needed for the target humidity；The room air is humidified according to the humidification water.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, step S140 is specifically included: working as institute
When stating the current humidity of room air not less than the target humidity, the room air is not humidified.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, the air conditioner further includes being set to
The water storage cavity and humidification module of the indoor unit, the humidification module can be by the water atomizations in the water storage cavity in humidifying chamber
Air；The air conditioner automatically cleaning humidifying controlling method further include: before being humidified to the room air, described in acquisition
Water and water quality information in water storage cavity；Judge whether to start the humidification module according to the water and the water quality information；
Wherein, the room air can be humidified after starting the humidification module.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, " according to the water and the water
Matter information judges whether to start the humidification module " the step of include: when the water be more than or equal to the humidification water and institute
When stating water quality information and meeting predetermined quality standard, start the humidification module.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, " according to the water and the water
Matter information judges whether to start the humidification module " the step of include: when the water be less than the humidification water and the water
When matter information meets predetermined quality standard, starts the humidification module and issue prompting message；Wherein, the prompting message is used for
Remind user into the water storage cavity plus water.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, " according to the water and the water
Matter information judge whether start humidification module " the step of include: not opened when the water quality information does not meet predetermined quality standard
It moves the humidification module and issues prompting message；Wherein, the prompting message is for reminding user to replace in the water storage cavity
Water.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, the air conditioner automatically cleaning humidification control
Method processed further include: in the case of starting the humidification module, make the default work of working frequency first of the humidification module
Working frequency；Obtain the real time temperature of the indoor unit coil pipe；The humidification module is selectively adjusted according to the real time temperature
Working frequency.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, " selected according to the real time temperature
Adjust to property the working frequency of the humidification module " the step of specifically include: make the working frequency of the humidification module with described
The reduction of real time temperature and increase, and when the real time temperature is reduced to preset temperature, by the work of the humidification module
Frequency is fixed on the second default working frequency；Wherein, the first predeterminated frequency described in the second predeterminated frequency >.
In the preferred embodiment of above-mentioned air conditioner automatically cleaning humidifying controlling method, " selected according to the real time temperature
Property adjust the working frequency of the humidification module " the step of further comprise: when the humidification module is default described second
Working frequency works after the first preset time, reduces the working frequency of the humidification module with the increase of working time,
And after the humidification module works on the second preset time, the humidification module is made to stop working.
When air conditioner needs to carry out automatically cleaning, since the self-cleaning effect of air-conditioning and the intensity of frosting have very big pass
System, and the intensity of frosting and indoor humidity have very big relationship.It is possible to cause centainly air conditioner if frosting is blocked up
Damage.Therefore, the present invention is by controlling the humidification amount to room air, to effectively avoid indoor air humidity is too low can not
Reach the situation of default frosting intensity and avoids the feelings for also continuing humidifying room air because indoor air humidity is excessively high
Shape ensure that frosting thickness of air conditioner during automatically cleaning, further promote the self-cleaning effect of air conditioner.
Detailed description of the invention
Fig. 1 is the broad flow diagram of air conditioner automatically cleaning humidifying controlling method of the invention.
Specific embodiment
To keep the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to skill of the invention
Art scheme carries out clear, complete description, it is clear that and the embodiment described is a part of the embodiments of the present invention, rather than all
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining technical principle of the invention, and
It is not intended to be limiting protection scope of the present invention.
Air conditioner of the invention carries out automatically cleaning to indoor unit by the way of defrost after first frosting.Referring to Fig.1, Fig. 1 is
The broad flow diagram of air conditioner automatically cleaning humidifying controlling method of the invention.As shown in Figure 1, air conditioner automatically cleaning of the invention adds
Wet control method includes the following steps: S110, in the case of air conditioner needs to be implemented automatically cleaning, obtains the current of room air
The heat exchanger image of humidity and indoor unit；S120, heat exchanging device image are handled, and the dirty degree of heat exchanger is obtained；S130, root
The target humidity of room air needed for calculating frosting intensity according to the dirty degree of heat exchanger and meet frosting intensity；S140, root
The humidification amount to room air is controlled according to the current humidity of room air and the target humidity of room air；Wherein, frosting intensity
The frosting degree during automatically cleaning is executed for air conditioner.
Specifically, in step S140, when the current humidity of room air is lower than target humidity, according to target humidity meter
It calculates humidification water needed for indoor air-humidification to target humidity, then room air is added according to the humidification water
It is wet.When the current humidity of room air is not less than target humidity, illustrate that the humidity of current indoor air can satisfy default knot
White intensity, therefore room air is not humidified.So, by controlling the humidification amount to room air, thus effectively
Avoid the too low situation for being unable to reach default frosting intensity of indoor air humidity and avoid because indoor air humidity it is excessively high also after
The continuous situation humidified to room air, ensure that frosting thickness of air conditioner during automatically cleaning, further be promoted empty
Adjust the self-cleaning effect of device.
It will be appreciated to those of skill in the art that the dirty degree of indoor heat exchanger is different, it usually needs frosting intensity
Also different, the target humidity of required room air is also different, i.e., final humidification amount is also different.Therefore, in above-mentioned steps
In S130, the present invention is strong according to the frosting that the dirty degree of the heat exchanger obtained after heat exchanging device image procossing calculates indoor unit needs
Degree.For example, the dirty degree of heat exchanger is higher, illustrates that heat exchanger is dirtier, that is, the frosting intensity needed is also bigger.Therefore, originally
Field technical staff can obtain the functional relation between the dirty degree and frosting intensity of heat exchanger by test method, then only
The dirty degree for needing heat exchanging device image to be handled to obtain heat exchanger can determine the frosting intensity that air conditioner needs.And reach
Target humidity required for the frosting intensity can be determined by test method.So, in step S140, when detecting
After the current humidity of room air, it is only necessary to compared with the target humidity value.In addition, if current humidity is wet lower than target
Degree, then the humidity value that target humidity value humidifies required for subtracting current humidity value i.e., the humidity value according to required humidification are
It can determine required humidification amount, to guarantee frosting degree of air conditioner during automatically cleaning to improve self-cleaning effect.
As an example, that is, heat exchanging device image is handled in above-mentioned steps S120, the dirty degree of heat exchanger is obtained.
The step can use picture recognition module realization.About picture recognition module it should be noted that the picture recognition module can
To select any existing chip for image procossing, as long as can be realized the mesh for obtaining dirty degree to image analysis processing
?.For example, the heat exchanger image and clean heat exchanger (not covering the fouling products such as dust) that can be will acquire
Image compares, and obtains the amount of dust on current heat exchanger image, the dirt of the dust is then calculated according to set algorithm
Degree.Those skilled in the art can also calculate the dirty degree on heat exchanger using any other reasonable algorithm, herein no longer
It is described in detail.About the acquisition of heat exchanger image, can use the camera being set to above heat exchanger carry out shooting adopt
Collection.
In a kind of specific embodiment, a water storage cavity and humidification module, the humidification can be set on machine indoors
Module is used for the water atomization in water storage cavity to humidify room air.After step s 130, air conditioner automatically cleaning of the invention
Humidifying controlling method further include: (i.e. the current humidity of room air is wet lower than target when needing to humidify room air
Degree), obtain the water and water quality information in water storage cavity；Judged whether to start humidification module according to water and water quality information.It is opening
Room air can be humidified after dynamic humidification module.Specifically, when water is more than or equal to humidification water and water quality information
When meeting predetermined quality standard, then start humidification module.When water is less than humidification water and water quality information meets predetermined quality mark
On time, start humidification module and issue prompting message；Wherein, the prompting message is for reminding user into water storage cavity plus water.When
When water quality information does not meet predetermined quality standard, does not start humidification module and issue prompting message；Wherein, which is used for
User is reminded to replace the water in water storage cavity.It will be appreciated by persons skilled in the art that if using poor water quality to Interior Space
Gas, which humidify, may pollute room air, cause to bring the dust in air into when frosting, influence self-cleaning effect, only
Can just there be better cleaning effect with clean water.Therefore, just it is conducive to humidify when only water quality information meets predetermined quality standard
Module humidifies room air, to prevent the situation of pollution room air.
In a kind of specific embodiment, under the cleaning of starting humidification module, i.e., present air humidity is lower than target
Humidity, while water in water storage cavity and water quality are also met the requirements.At this point, air conditioner automatically cleaning humidifying controlling method of the invention
Further include: make the default working frequency of working frequency first of humidification module；Obtain the real time temperature of indoor unit coil pipe；According to reality
Shi Wendu selectively adjusts the working frequency of humidification module.Due to during air conditioner is self-cleaning, the heat exchange of indoor unit
Device temperature gradually decreases, therefore for better frosting effect, the working frequency of humidification module can be made to change with indoor unit
The temperature of hot device is changed.Specifically, have just enter into it is self-cleaning during, keep the working frequency first of humidification module pre-
If working frequency, it is assumed that the value of the first default working frequency is 1.Then the real time temperature of indoor unit coil pipe is obtained, and makes to add
The working frequency of wet module increases with the reduction of real time temperature, and when real time temperature is reduced to preset temperature, will humidify
The working frequency of module is fixed on two default working frequencies.Wherein, second the first predeterminated frequency of predeterminated frequency >.It needs to illustrate
It is that preset temperature can be determined a reasonable temperature value by those skilled in the art by way of test, for example, in the temperature
Angle value makes the working frequency of humidification module be fixed on 1.5 or 2 or other reasonable working frequencies.It should be noted that making
The process that the working frequency of humidification module increases with the reduction of real time temperature can be it is linear, be also possible to it is nonlinear,
These can be determined according to practical application scene by testing by those skilled in the art.
Further, when humidification module is after the second default working frequency works the first preset time, make humidification module
Working frequency increases with the working time and is reduced, and after humidification module works on the second preset time, makes to humidify mould
Block stops working.Wherein the first preset time and the second preset time can be clever according to the actual situation by those skilled in the art
It is livingly determining, the first preset time and the second preset time are not defined herein.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of air conditioner automatically cleaning humidifying controlling method, the air conditioner includes indoor unit and passes through defrost after first frosting
Mode carries out automatically cleaning to the indoor unit, which is characterized in that the air conditioner automatically cleaning humidifying controlling method includes following step
It is rapid:
S110, in the case of the air conditioner needs to be implemented automatically cleaning, obtain room air current humidity and the interior
The heat exchanger image of machine；
S120, the heat exchanger image is handled, obtains the dirty degree of the heat exchanger；
S130, frosting intensity and room air needed for meeting the frosting intensity are calculated according to the dirty degree of the heat exchanger
Target humidity；
S140, it is controlled according to the current humidity of the room air and the target humidity of the room air to the room air
Humidification amount；
Wherein, the frosting intensity is the frosting degree during air conditioner execution automatically cleaning.
2. air conditioner automatically cleaning humidifying controlling method according to claim 1, which is characterized in that step S140 is specifically wrapped
It includes:
When the current humidity of the room air is lower than the target humidity, calculated according to the target humidity by the interior
Humidification water needed for air wetting to the target humidity；
The room air is humidified according to the humidification water.
3. air conditioner automatically cleaning humidifying controlling method according to claim 2, which is characterized in that step S140 is specifically wrapped
It includes:
When the current humidity of the room air is not less than the target humidity, the room air is not humidified.
4. air conditioner automatically cleaning humidifying controlling method according to any one of claim 1 to 3, which is characterized in that described
Air conditioner further includes the water storage cavity and humidification module for being set to the indoor unit, and the humidification module can will be in the water storage cavity
Water atomization to humidify room air；
The air conditioner automatically cleaning humidifying controlling method further include:
Before humidifying to the room air, the water and water quality information in the water storage cavity are obtained；
Judge whether to start the humidification module according to the water and the water quality information；
Wherein, the room air can be humidified after starting the humidification module.
5. air conditioner automatically cleaning humidifying controlling method according to claim 4, which is characterized in that " according to the water and
The water quality information judges whether to start the humidification module " the step of include:
When the water is more than or equal to the humidification water and the water quality information meets predetermined quality standard, starting is described to be added
Wet module.
6. air conditioner automatically cleaning humidifying controlling method according to claim 4, which is characterized in that " according to the water and
The water quality information judges whether to start the humidification module " the step of include:
When the water is less than the humidification water and the water quality information meets predetermined quality standard, start the humidification mould
Block simultaneously issues prompting message；
Wherein, the prompting message is for reminding user into the water storage cavity plus water.
7. air conditioner automatically cleaning humidifying controlling method according to claim 4, which is characterized in that " according to the water and
The water quality information judges whether to start the humidification module " the step of include:
When the water quality information does not meet predetermined quality standard, does not start the humidification module and issue prompting message；
Wherein, the prompting message is for reminding user to replace the water in the water storage cavity.
8. air conditioner automatically cleaning humidifying controlling method according to claim 4, which is characterized in that the air conditioner automatically cleaning
Humidifying controlling method further include:
In the case of starting the humidification module, make the default working frequency of working frequency first of the humidification module；
Obtain the real time temperature of the indoor unit coil pipe；
The working frequency of the humidification module is selectively adjusted according to the real time temperature.
9. air conditioner automatically cleaning humidifying controlling method according to claim 8, which is characterized in that " according to the real-time temperature
Degree selectively adjusts the working frequency of the humidification module " the step of specifically include:
Increase the working frequency of the humidification module with the reduction of the real time temperature, and when the real time temperature reduces
When to preset temperature, the working frequency of the humidification module is fixed on the second default working frequency；
Wherein, the first predeterminated frequency described in the second predeterminated frequency >.
10. air conditioner automatically cleaning humidifying controlling method according to claim 9, which is characterized in that " according to the real-time temperature
Degree selectively adjusts the working frequency of the humidification module " the step of further comprise:
When the humidification module is after the described second default working frequency works the first preset time, make the humidification module
Working frequency is reduced with the increase of working time, and after the humidification module works on the second preset time, is made
The humidification module stops working.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219004.1A CN109916039B (en) | 2019-03-21 | 2019-03-21 | Self-cleaning humidification control method for air conditioner |
| PCT/CN2020/079951 WO2020187252A1 (en) | 2019-03-21 | 2020-03-18 | Self-cleaning humidification control method for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219004.1A CN109916039B (en) | 2019-03-21 | 2019-03-21 | Self-cleaning humidification control method for air conditioner |
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| Publication Number | Publication Date |
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| CN109916039A true CN109916039A (en) | 2019-06-21 |
| CN109916039B CN109916039B (en) | 2021-01-29 |
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| WO (1) | WO2020187252A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110736195A (en) * | 2019-09-30 | 2020-01-31 | 青岛海尔空调器有限总公司 | Air conditioner self-cleaning control method and device and air conditioner |
| WO2020187252A1 (en) * | 2019-03-21 | 2020-09-24 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| WO2022242144A1 (en) * | 2021-05-20 | 2022-11-24 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling self-cleaning of air conditioner, and air conditioner |
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| JP7245933B2 (en) * | 2021-02-05 | 2023-03-24 | 日立ジョンソンコントロールズ空調株式会社 | air conditioner |
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| WO2020187252A1 (en) * | 2019-03-21 | 2020-09-24 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| CN110736195A (en) * | 2019-09-30 | 2020-01-31 | 青岛海尔空调器有限总公司 | Air conditioner self-cleaning control method and device and air conditioner |
| WO2022242144A1 (en) * | 2021-05-20 | 2022-11-24 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling self-cleaning of air conditioner, and air conditioner |
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| CN109916039B (en) | 2021-01-29 |
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