CN110736194A - Method for self-cleaning of air conditioner and air conditioner - Google Patents
Method for self-cleaning of air conditioner and air conditioner Download PDFInfo
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- CN110736194A CN110736194A CN201910944392.XA CN201910944392A CN110736194A CN 110736194 A CN110736194 A CN 110736194A CN 201910944392 A CN201910944392 A CN 201910944392A CN 110736194 A CN110736194 A CN 110736194A
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- heat exchanger
- air conditioner
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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
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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
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/003—Control arrangements
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of self-cleaning of air conditioners, and discloses methods for self-cleaning of air conditioners.
Description
Technical Field
The application relates to the technical field of self-cleaning of air conditioners, and for example relates to methods for self-cleaning of air conditioners and air conditioners.
Background
At present, an air conditioner becomes a necessary electrical appliance for life, dust is easily accumulated on an air conditioner heat exchanger after the air conditioner works for a long time, oil stains can be attached to the air conditioner heat exchanger in application environments, the dust, the oil stains and other pollutants on the air conditioner heat exchanger reduce the heat exchange capacity of the heat exchanger, even bacteria and the like are bred, in this case, the heat exchanger can be automatically cleaned by using an air conditioner self-cleaning technology, the existing self-cleaning technology is mainly realized through the processes of condensation, frosting and defrosting, and in addition, the oil stain self-cleaning can be realized by using high-temperature steam.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the oil stain self-cleaning process and the dust deposition self-cleaning process are independent, namely, in the oil stain self-cleaning process, only targeted oil stain cleaning is performed, in the dust deposition self-cleaning process, only targeted dust deposition cleaning is performed, in application environments, dust deposition and oil stain are attached to a heat exchanger at the same time, the single self-cleaning process is difficult to clean the dust deposition and the oil stain at the same time, and the self-cleaning effect is poor.
Disclosure of Invention
This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments, but is intended to be a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides methods for self-cleaning of an air conditioner and the air conditioner, so as to solve the technical problem that the self-cleaning effect of the air conditioner is poor.
In embodiments, a method for air conditioning self-cleaning includes:
controlling the air conditioner to operate in a degreasing mode;
and when the oil stain is stripped from the surface of the heat exchanger of the air conditioner, controlling the air conditioner to enter a condensation mode.
In embodiments, the air conditioner includes a processor and a memory storing program instructions, the processor being configured to, when executing the program instructions, perform the method for air conditioner self-cleaning provided by the foregoing embodiments.
The method for self-cleaning the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
the air conditioner runs in a degreasing mode, when oil stains are stripped from the surface of the heat exchanger, the oil stains cannot be closely attached to the heat exchanger, the air conditioner is controlled to enter a condensation mode at the moment, preparation can be made for other self-cleaning processes, the oil stains are conveniently taken away from the surface of the heat exchanger, for example, preparation is made for a frosting-defrosting dust deposition self-cleaning process, the oil stain self-cleaning process and other self-cleaning processes are organically combined, and the self-cleaning effect of the air conditioner is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
or are illustrated by way of example in the accompanying drawings which correspond to the figures, and which do not constitute a limitation on the embodiments, and wherein:
fig. 1 is a schematic flow chart of a method for self-cleaning of an air conditioner according to an embodiment of the disclosure;
fig. 2 is a schematic flowchart illustrating a process for controlling an air conditioner to operate in a degreasing mode according to an embodiment of the present disclosure;
fig. 3 is a schematic flowchart illustrating a process of controlling an air conditioner to enter a condensation mode according to an embodiment of the disclosure;
FIG. 4 is a flow chart of methods for self-cleaning of an air conditioner according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of an air conditioner provided in an embodiment of the present disclosure.
Detailed Description
In the following description, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments, however, or above embodiments may be practiced without these details.
The embodiment of the disclosure provides methods for self-cleaning of an air conditioner.
Fig. 1 is a schematic flow chart of a method for self-cleaning of an air conditioner according to an embodiment of the disclosure.
In this embodiment, a method for air conditioning self-cleaning, includes:
and S101, controlling the air conditioner to operate in a degreasing mode.
In application scenes, when the air conditioner receives a self-cleaning signal, the current oil stain amount on the surface of the heat exchanger is obtained, when the current oil stain amount is greater than or equal to a set oil stain amount, the air conditioner is controlled to operate in an oil stain removing mode.
And S102, controlling the air conditioner to enter a condensation mode when the oil stains are stripped from the surface of the heat exchanger of the air conditioner. The oil stain is stripped from the surface of the heat exchanger, namely the oil stain is emulsified or dissolved, and the oil stain still covers the surface of the heat exchanger. To determine that the oil has stripped the heat exchanger, images of the heat exchanger may be obtained periodically, and multiple images are identified to determine that the oil has stripped the heat exchanger.
The air conditioner runs in a degreasing mode, when oil stains are stripped from the surface of the heat exchanger, the oil stains cannot be closely attached to the heat exchanger, the air conditioner is controlled to enter a condensation mode at the moment, preparation is made for other self-cleaning processes, so that the oil stains are taken away from the surface of the heat exchanger, for example, preparation is made for a frosting-defrosting dust deposition self-cleaning process, the oil stain self-cleaning process and other self-cleaning processes are organically combined, and the self-cleaning effect of the air conditioner is improved.
The heat exchanger in the embodiment of the present disclosure refers to a heat exchanger to be cleaned, which may be an indoor heat exchanger or an outdoor heat exchanger. When the heat exchanger is an indoor heat exchanger, the method for self-cleaning the air conditioner can clean the indoor heat exchanger; when the heat exchanger is an outdoor heat exchanger, the method for self-cleaning the air conditioner can clean the outdoor heat exchanger. The method for self-cleaning the air conditioner can be used for cleaning the indoor heat exchanger, and after the cleaning is finished, the method for self-cleaning the air conditioner can be used for cleaning the outdoor heat exchanger; the method for self-cleaning the air conditioner can be used for cleaning the outdoor heat exchanger, and after the cleaning is finished, the method for self-cleaning the air conditioner can be used for cleaning the indoor heat exchanger.
Fig. 2 is a schematic flowchart illustrating a process for controlling an air conditioner to operate in a degreasing mode according to an embodiment of the present disclosure.
In this embodiment, the air conditioner operates in a degreasing mode, comprising:
step S201, spraying cleaning agent to the surface of the heat exchanger.
For example, a cleaning agent storage device, a pressurizing device, a conveying pipe and a nozzle are arranged in the air conditioner indoor unit, wherein the pressurizing device provides pressure for the cleaning agent storage device, or the pressurizing device extracts the cleaning agent in the cleaning agent storage device, so that the cleaning agent is conveyed to the nozzle through the conveying pipe, and the nozzle sprays the cleaning agent to the surface of the heat exchanger; similarly, when the heat exchanger is an outdoor heat exchanger, a detergent storage device, a pressure boosting device, a delivery pipe, a nozzle, and the like may be provided in the outdoor unit of the air conditioner.
And S202, increasing the operating frequency of the compressor, or reducing the opening degree of the expansion valve, or increasing the operating frequency of the compressor and reducing the opening degree of the expansion valve, so that the temperature of the heat exchanger is increased to a preset temperature.
For example, the operation frequency of the compressor is increased and maintained for periods of time to increase the temperature of the heat exchanger to a preset temperature, or the opening degree of the expansion valve is decreased and maintained for periods of time to increase the temperature of the heat exchanger to a preset temperature, or the operation frequency of the compressor is increased and the opening degree of the expansion valve is decreased and maintained for periods of time to increase the temperature of the heat exchanger to a preset temperature.
The preset temperature is the using temperature of the cleaning agent, and can be 30-70 ℃, for example, the preset temperature can be in 30 ℃, 40 ℃, 50 ℃, 60 ℃ and 70 ℃, under the preset temperature, the cleaning effect of the cleaning agent on the oil stain on the heat exchanger is good, time is needed in the process of emulsifying or dissolving the oil stain by the cleaning agent, after the preset time, the cleaning agent can be judged to have emulsified or dissolved the oil stain, for example, the surface of the oil stain stripping heat exchanger is determined under the condition that the time for maintaining the preset temperature of the heat exchanger is more than or equal to the preset time, the preset time can be 0.5-5 min, for example, the preset time can be 0.5min, 1min, 2min, 3min, 4min or 5 min.
For example, in the process of manually removing the oil stains, after the cleaning agent is sprayed on the metal surface, the cleaning agent is needed to be manually wiped, but in the self-cleaning process of the air-conditioning heat exchanger, the cleaning agent on the surface of the heat exchanger is difficult to be automatically wiped.
Fig. 3 is a schematic flowchart illustrating a process of controlling an air conditioner to enter a condensation mode according to an embodiment of the disclosure.
In this embodiment, controlling the air conditioner to enter the condensation mode includes:
and S301, switching the air conditioner to a cooling mode or a heating mode.
When the heat exchanger is an indoor heat exchanger and the air conditioner runs in an oil stain removal mode, the air conditioner runs in a heating mode (the indoor heat exchanger keeps high temperature), and in step S301, the air conditioner is switched from the heating mode to a cooling mode (the indoor heat exchanger keeps low temperature) to realize condensation on the surface of the indoor heat exchanger; when the heat exchanger is an outdoor heat exchanger and the air conditioner operates in the oil stain removal mode, the air conditioner operates in the cooling mode (the outdoor heat exchanger is kept at a high temperature), and in step S301, the air conditioner is switched from the cooling mode to the heating mode (the outdoor heat exchanger is kept at a low temperature) to realize condensation on the surface of the outdoor heat exchanger.
Step S302, the operation frequency of the compressor is increased, or the opening degree of the expansion valve is reduced, or the operation frequency of the compressor is increased and the opening degree of the expansion valve is reduced, so that the temperature of the heat exchanger is less than or equal to the dew point temperature.
When the heat exchanger is an indoor heat exchanger, the air conditioner operates in a refrigeration mode, and the higher the operating frequency of the compressor is, the lower the temperature of the indoor heat exchanger is; the smaller the opening degree of the expansion valve is, the lower the temperature of the indoor heat exchanger is. When the heat exchanger is an outdoor heat exchanger, the air conditioner operates in a heating mode, and the temperature of the outdoor heat exchanger is lower when the operating frequency of the compressor is higher; the smaller the opening degree of the expansion valve is, the lower the temperature of the outdoor heat exchanger is.
And step S303, increasing the ventilation quantity of the heat exchanger.
For example, the rotating speed of a side fan of the heat exchanger can be increased, and the ventilation quantity of the heat exchanger can be increased; or, the time for maintaining the temperature of the heat exchanger to be less than or equal to the dew point temperature can be increased, and the ventilation quantity of the heat exchanger is increased. When the heat exchanger is an indoor heat exchanger, the heat exchanger side fan is an indoor fan; when the heat exchanger is an outdoor heat exchanger, the heat exchanger side fan is an outdoor fan.
The ventilation volume of the heat exchanger is increased, the amount of water vapor which can be contacted with the heat exchanger is increased, the condensation volume of the heat exchanger is increased, and the condensation is convenient for washing the cleaning agent and the oil stains on the heat exchanger.
Fig. 4 is a flow chart of methods for self-cleaning of an air conditioner according to an embodiment of the disclosure.
In this embodiment, after controlling the air conditioner to enter the condensation mode, the method further includes:
and S401, obtaining the ash deposition amount on the surface of the heat exchanger.
Alternatively, the distance between the fixed location and the heat exchanger may be measured, for example using infrared light, and the fixed location may be the mounting location of the infrared measuring device. The amount of ash deposition on the heat exchanger surface can be expressed as this distance: the larger the distance, the larger the amount of ash deposited on the heat exchanger surface.
Alternatively, the distance between two heat exchanger fins can be measured, i.e. the distance can be used to represent the amount of ash deposition on the heat exchanger surface: the larger the distance, the larger the amount of ash deposited on the heat exchanger surface.
And S402, when the accumulated dust amount is less than the set pollution amount, increasing the rotating speed of a fan on the side of the heat exchanger, and removing condensation on the surface of the heat exchanger.
The set contamination amount may be represented using set distances when the ash deposition amount is represented by the distance between the fixed position and the heat exchanger, or when the ash deposition amount is represented by the distance between two fins of the heat exchanger.
The condensation-dewing process can not only bring the peeled oil stain away from the surface of the heat exchanger, but also bring the deposited dust away from the surface of the heat exchanger, thereby realizing double cleaning of the heat exchanger and having better cleaning effect. In addition, the condensation on the surface of the heat exchanger is removed in a blowing mode, and the condensation can wash away oil stains and cleaning agents on the surface of the heat exchanger.
When the ash deposition amount on the surface of the heat exchanger is small, for example, when the ash deposition amount is less than the set pollution amount, the ash deposition on the surface of the heat exchanger can be removed through a condensation-dew removal process; when the ash deposition on the surface of the heat exchanger is relatively large, for example, when the ash deposition on the surface of the heat exchanger is greater than or equal to the set pollution amount, the ash deposition on the surface of the heat exchanger can be removed through the frosting-defrosting process, and a better cleaning effect is realized.
in some embodiments, when the amount of accumulated dust is greater than or equal to the predetermined amount of pollution, the method comprises reducing the speed of the fan on the heat exchanger side or turning off the fan on the heat exchanger side to cause the surface of the heat exchanger to frost, for example, reducing the speed of the fan on the indoor side or turning off the fan on the indoor side to cause the surface of the heat exchanger to frost, when the heat exchanger is an outdoor heat exchanger, reducing the speed of the fan on the outdoor side or turning off the fan on the outdoor side to cause the surface of the heat exchanger to frost.
Optionally, when the ash deposition amount is greater than or equal to the set pollution amount, the method further comprises: increasing the operating frequency of the compressor, or decreasing the opening degree of the expansion valve, or increasing the operating frequency of the compressor and decreasing the opening degree of the expansion valve. For example, when the heat exchanger is an indoor heat exchanger, the air conditioner is controlled to operate in a cooling mode, so that the operating frequency of the compressor is increased, or the opening degree of the expansion valve is reduced, or the operating frequency of the compressor is increased and the opening degree of the expansion valve is reduced, so that the surface of the indoor heat exchanger is frosted; after the surface of the indoor heat exchanger is frosted, the air conditioner is controlled to operate in a heating mode, the operation frequency of the compressor is increased, or the opening degree of the expansion valve is reduced, or the operation frequency of the compressor is increased and the opening degree of the expansion valve is reduced, so that the surface of the heat exchanger is frosted. When the heat exchanger is an outdoor heat exchanger, controlling the air conditioner to operate in a heating mode, and increasing the operating frequency of the compressor, or reducing the opening degree of the expansion valve, or increasing the operating frequency of the compressor and reducing the opening degree of the expansion valve to frost the surface of the outdoor heat exchanger; after the surface of the outdoor heat exchanger is frosted, the air conditioner is controlled to operate in a cooling mode, the operation frequency of the compressor is increased, or the opening degree of the expansion valve is reduced, or the operation frequency of the compressor is increased and the opening degree of the expansion valve is reduced, so that the surface of the outdoor heat exchanger is frosted.
In , the process of adjusting the compressor or the expansion valve and the process of adjusting the fan speed can be performed simultaneously, for example, to increase the operating frequency of the compressor, decrease the opening degree of the expansion valve, and decrease the fan speed of the heat exchanger, so that the surface of the heat exchanger is frosted.
After the heat exchanger surface is dewed, self-cleaning processes are carried out by the heat exchanger, the air conditioner is controlled to operate in a degreasing mode, self-cleaning processes are carried out by the air conditioner, the self-cleaning process comprises the steps of peeling off oil stains from the surface of the heat exchanger and carrying the oil stains and dust away from the surface of the heat exchanger through a condensation washing process, the air conditioner is controlled to operate in the degreasing mode, self-cleaning processes are started again, for example, the step S101 is executed again, the effect of cleaning the heat exchanger is improved through multiple self-cleaning processes, for example, the air conditioner obtains the current accumulated amount of the surface of the heat exchanger after the heat exchanger surface is dewed, or after the surface is defrosted, the current accumulated amount of the surface of the air conditioner is larger than the current accumulated amount of the heat exchanger, or the accumulated amount of the dust of the air conditioner is larger than the current accumulated amount of the heat exchanger, and the air conditioner is controlled to operate in the degreasing mode when the dust accumulated amount of the heat exchanger is larger than the current accumulated amount of the heat exchanger, and the dust accumulated amount of the air conditioner is smaller than the current accumulated amount of the heat exchanger, and the dust accumulated in the heat exchanger, wherein the dust accumulated amount of the air conditioner is smaller than the current accumulated amount of the dust accumulated in the dust accumulated.
In application scenes, a four-way valve quick reversing technology can be used for realizing the switching of the air conditioner between the cooling mode and the heating mode.
The embodiment of the disclosure provides air conditioners.
In embodiments, the air conditioner includes a processor and a memory storing program instructions, the processor configured to execute the method for self-cleaning of the air conditioner provided by the foregoing embodiments when executing the program instructions.
As shown in fig. 5, the air conditioner includes:
a processor (processor)51 and a memory (memory)52, and may further include a Communication Interface (Communication Interface)53 and a bus 54. The processor 51, the communication interface 53 and the memory 52 may communicate with each other through the bus 54. The communication interface 53 may be used for information transfer. The processor 51 may call logic instructions in the memory 52 to perform the method for air conditioner self-cleaning of the above-described embodiment.
Furthermore, the logic instructions in the memory 52 described above may be stored in computer-readable storage media when implemented in software functional units and sold or used as a stand-alone product.
The memory 52 is used as computer readable storage media for storing software programs, computer executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure, and the processor 51 executes the software programs, instructions and modules stored in the memory 52 to execute functional applications and data processing, so as to implement the methods in the above-mentioned method embodiments.
The memory 52 may include a program storage area that may store an operating system, application programs necessary for at least functions, and a data storage area that may store data created according to the use of the terminal device, etc. furthermore, the memory 52 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides computer-readable storage media, which store computer-executable instructions configured to execute the method for self-cleaning of an air conditioner provided by the above embodiment.
The disclosed embodiment provides computer program products, the computer program products include computer programs stored on computer readable storage media, the computer programs include program instructions, when the program instructions are executed by the computer, the computer executes the method for self-cleaning of air conditioner provided by the above embodiment.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiment of the present disclosure can be embodied in the form of a software product, where the computer software product is stored in storage media, and includes or or more instructions to enable computer devices (which may be personal computers, servers, or network devices) to execute all or part of the steps of the method in the embodiment of the present disclosure.
The scope of the embodiments of the present disclosure includes the full range of claims including the full range of equivalents of the claims, the words used in this application are used only to describe embodiments and not to limit the claims, as used in the description of the embodiments and claims, unless the context clearly indicates otherwise, the singular forms "" (a), "" (an) and "the" (the) are intended to include the plural forms as well, and similarly, the terms "and/or" as used in this application refer to the inclusion of or of any of the above-associated elements and the inclusion of any other elements as well as the possible combinations of elements (including, excluded from the context), and the other elements as well as the elements of the embodiments and variants thereof, if there are no other elements, including, excluded from the disclosure, or other elements, there may be included or excluded from the other embodiments, or other variants, including, without limitation, the other elements, including, or excluding, as part of the presence of each other elements, the same element, or other elements, including, except where the context clearly indicates otherwise, the inclusion of the singular forms of " or" "(the inclusion of a" and/or "a" including, a "element in the present disclosure).
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
For example, the above-described embodiments of the apparatus are merely illustrative, e.g., the division of the units may be only logical functions, and in actual implementation, there may be other divisions, e.g., multiple units or components may be combined or may be integrated into another systems, or features may be omitted or not executed.
In this regard, each block in the flowchart or block diagrams may represent modules, program segments, or portions of code, wherein the portions of the modules, program segments, or code comprise or more than executable instructions for implementing the specified logical functions.
Claims (10)
1, A method for self-cleaning of an air conditioner, comprising:
controlling the air conditioner to operate in a degreasing mode;
and when the oil stain is stripped from the surface of the heat exchanger of the air conditioner, controlling the air conditioner to enter a condensation mode.
2. The method of claim 1, wherein the air conditioner is operated in a degreasing mode, comprising:
spraying a cleaning agent to the surface of the heat exchanger;
and increasing the operating frequency of the compressor, or reducing the opening degree of the expansion valve, or increasing the operating frequency of the compressor and reducing the opening degree of the expansion valve, so that the temperature of the heat exchanger is increased to the preset temperature.
3. The method of claim 2, wherein oil contamination is determined to be stripped off the heat exchanger surface if the heat exchanger is maintained at the preset temperature for a time greater than or equal to a preset time.
4. The method of claim 1, wherein controlling the air conditioner to enter the condensation mode comprises:
increasing the operating frequency of the compressor, or reducing the opening degree of the expansion valve, or increasing the operating frequency of the compressor and reducing the opening degree of the expansion valve, so that the temperature of the heat exchanger is less than or equal to the dew point temperature; and the number of the first and second electrodes,
increasing the ventilation of the heat exchanger.
5. The method of claim 4, wherein increasing the ventilation comprises:
and increasing the rotating speed of the side fan of the heat exchanger.
6. The method of any one of claims 1 to 5 and , wherein after controlling the air conditioner to enter the condensation mode, the method further comprises:
obtaining the ash deposition amount on the surface of the heat exchanger;
and when the ash deposition amount is less than the set pollution amount, increasing the rotating speed of the side fan of the heat exchanger to remove the condensation on the surface of the heat exchanger.
7. The method according to claim 6, wherein when the ash deposition amount is greater than or equal to the set pollution amount, the rotating speed of the heat exchanger side fan is reduced or the heat exchanger side fan is turned off, so that the surface of the heat exchanger is frosted; and after the surface of the heat exchanger is frosted, controlling the operation of the air conditioner to defrost the surface of the heat exchanger.
8. The method of claim 7, further comprising, when the ash deposition amount is greater than or equal to the set contamination amount: increasing the operating frequency of the compressor, or decreasing the opening degree of the expansion valve, or increasing the operating frequency of the compressor and decreasing the opening degree of the expansion valve.
9. The method of claim 7 or 8, wherein the air conditioner is controlled to operate in the degreasing mode after dewing of the heat exchanger surfaces or after defrosting of the heat exchanger surfaces.
10, air conditioner comprising a processor and a memory storing program instructions, characterized in that the processor is configured to execute the method for air conditioner self-cleaning as claimed in any of claims 1-9- when executing the program instructions.
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Cited By (7)
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| CN112710063A (en) * | 2021-01-18 | 2021-04-27 | 青岛海尔空调器有限总公司 | Self-cleaning control method of air conditioner and air conditioner |
| CN113804049A (en) * | 2020-06-16 | 2021-12-17 | 浙江美尔凯特智能厨卫股份有限公司 | Single-cooling air conditioner and self-cleaning method thereof |
| WO2022068731A1 (en) * | 2021-01-18 | 2022-04-07 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner, and air conditioner |
| WO2022151762A1 (en) * | 2021-01-18 | 2022-07-21 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner, and air conditioner |
| WO2023279614A1 (en) * | 2021-07-09 | 2023-01-12 | 青岛海尔空调器有限总公司 | Indoor heat exchanger in-tube self-cleaning control method |
| WO2023284198A1 (en) * | 2021-07-15 | 2023-01-19 | 青岛海尔空调器有限总公司 | Control method for in-pipe self-cleaning of indoor heat exchanger |
| WO2023236570A1 (en) * | 2022-06-09 | 2023-12-14 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling air conditioner, air conditioner and storage medium |
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| WO2023279614A1 (en) * | 2021-07-09 | 2023-01-12 | 青岛海尔空调器有限总公司 | Indoor heat exchanger in-tube self-cleaning control method |
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| WO2023236570A1 (en) * | 2022-06-09 | 2023-12-14 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling air conditioner, air conditioner and storage medium |
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