CN110736197A - Method and device for self-cleaning of air conditioner and air conditioner - Google Patents
Method and device for self-cleaning of air conditioner and air conditioner Download PDFInfo
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- CN110736197A CN110736197A CN201910993600.5A CN201910993600A CN110736197A CN 110736197 A CN110736197 A CN 110736197A CN 201910993600 A CN201910993600 A CN 201910993600A CN 110736197 A CN110736197 A CN 110736197A
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- 238000000034 method Methods 0.000 title claims abstract description 121
- 238000004140 cleaning Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 496
- 238000005507 spraying Methods 0.000 claims description 224
- 239000007921 spray Substances 0.000 claims description 50
- 238000002347 injection Methods 0.000 claims description 45
- 239000007924 injection Substances 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 44
- 230000002596 correlated effect Effects 0.000 claims description 9
- 238000011946 reduction process Methods 0.000 description 26
- 230000007423 decrease Effects 0.000 description 11
- 238000004378 air conditioning Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000010257 thawing Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
-
- 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
-
- 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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- 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
-
- 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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- 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)
- 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 present application relates to the technical field of self-cleaning of air conditioners, and for example, relates to methods and devices for self-cleaning of air conditioners and air conditioners.
Background
At present, when an air conditioner is self-cleaned, the surface of a heat exchanger is required to be frosted firstly and then defrosted. The self-cleaning effect can be improved by appropriately increasing the amount of frost on the surface of the heat exchanger, for example, by spraying water onto the surface of the heat exchanger using a spray device.
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 water spraying amount can not be adjusted, and the phenomenon of insufficient or excessive water spraying amount is easy to occur.
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 and devices for self-cleaning of an air conditioner and the air conditioner, so as to solve the technical problem that the phenomenon of insufficient or excessive water spraying amount is easy to occur.
In embodiments, a method for air conditioning self-cleaning includes:
the temperature of the heat exchanger is reduced after the air conditioner enters a self-cleaning mode;
and spraying water to the surface of the heat exchanger in the cooling process of the heat exchanger, and adjusting the water spraying amount according to the running frequency of the compressor.
In some embodiments, an apparatus for air conditioning self-cleaning includes a processor and a memory storing program instructions, the processor configured to execute the method for air conditioning self-cleaning provided by the foregoing embodiments when executing the program instructions.
In , the air conditioner includes the device for air conditioner self-cleaning provided by the previous embodiments.
The method and the device for self-cleaning of the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
after the air conditioner enters the self-cleaning mode, the water spraying amount is adjusted according to the running frequency of the compressor, and the phenomenon that the water spraying amount is too much or not enough can be reduced.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
or of the above embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and do not limit the embodiments, in which elements having the same reference numeral designations are shown as similar elements and in which:
FIG. 1 is a schematic flow chart diagram illustrating methods for self-cleaning of an air conditioner according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow diagram of water injection amount regulation according to the temperature of a heat exchanger, provided by the embodiment of the disclosure;
FIG. 3 is a schematic flow diagram illustrating the process of adjusting the amount of water injection based on the temperature of a heat exchanger according to the present disclosure;
FIG. 4 is a schematic flow chart diagram illustrating methods for self-cleaning of an air conditioner according to an embodiment of the present disclosure;
FIG. 5 is a schematic flow chart of methods for adjusting the amount of water injected according to the operating frequency of the compressor, according to an embodiment of the present disclosure;
FIG. 6 is a schematic flow chart of methods for adjusting the amount of water injected according to the operating frequency of the compressor, according to an embodiment of the present disclosure;
FIG. 7 is a schematic flow chart diagram illustrating methods for self-cleaning of an air conditioner according to an embodiment of the present disclosure;
FIG. 8 is a schematic flow chart of methods for adjusting the amount of water sprayed according to the cooling time according to the embodiment of the present disclosure;
FIG. 9 is a schematic flow chart of methods for adjusting the amount of water sprayed according to the cooling time according to the embodiment of the present disclosure;
fig. 10 is a schematic diagram of kinds of devices for self-cleaning of an air conditioner, provided by the embodiment of the 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.
In the disclosed embodiment, the amount of water sprayed refers to the amount of water sprayed onto the heat exchanger surface, and may be measured in terms of the volume of water sprayed onto the heat exchanger, or in terms of the mass of water sprayed onto the heat exchanger surface.
The embodiment of the disclosure provides methods for self-cleaning of an air conditioner.
Fig. 1 is a schematic flow chart of methods 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, reducing the temperature of the heat exchanger after the air conditioner enters a self-cleaning mode.
In the self-cleaning mode of the air conditioner, the temperature of the heat exchanger is firstly reduced to frost the surface of the heat exchanger, and then the temperature of the heat exchanger is increased to melt the frost on the surface of the heat exchanger. In the process of frosting, water on the surface of the heat exchanger is changed into a solid state from a liquid state, the volume is increased, an expansion force is generated, pollutants attached to the surface of the heat exchanger are separated from the surface of the heat exchanger under the action of the expansion force, in the defrosting process, frost is melted to form water flow, and the water flow can flush away the pollutants separated from the surface of the heat exchanger.
The method for self-cleaning of the air conditioner is used for the frosting process of the surface of the heat exchanger, and the temperature of the heat exchanger tends to decrease in the frosting process. The operating frequency of the compressor can be increased to reduce the temperature of the heat exchanger surfaces.
And S102, spraying water to the surface of the heat exchanger in the cooling process of the heat exchanger, and adjusting the water spraying amount according to the temperature of the heat exchanger.
In the embodiment of the disclosure, water required for frosting on the surface of the heat exchanger is not only from condensation, but also from water sprayed on the surface of the heat exchanger, so that electric energy required for the condensation process on the surface of the heat exchanger is reduced, and energy is saved.
In the embodiment of the present disclosure, the spraying device may be configured to spray water to the side surface of the heat exchanger, or may be configured to spray water from the side surface of the heat exchanger.
FIG. 2 is a schematic flow chart of water injection amount regulation according to the temperature of a heat exchanger, which is provided by the embodiment of the disclosure.
In this embodiment, adjusting the amount of water injection according to the temperature of the heat exchanger includes:
and S201, when the temperature of the heat exchanger is higher than or equal to th preset temperature, spraying water to the surface of the heat exchanger in th water spraying amount.
The water spraying amount of the heat exchanger surface can reach water spraying amount before the temperature of the heat exchanger is reduced to preset temperature, and the water spraying amount of the heat exchanger surface can reach water spraying amount when the temperature of the heat exchanger surface is reduced to preset temperature.
Optionally, the process of reducing the temperature of the heat exchanger to th preset temperature comprises a temperature reducing process and a constant temperature process, wherein the compressor can be controlled to operate at a constant frequency in the temperature reducing process, the operating frequency of the compressor can be controlled to gradually increase, the compressor can be controlled to operate in a frequency fluctuation mode in the constant temperature process, so that the temperature of the heat exchanger is maintained at th preset temperature, optionally, the water spray quantity of the water sprayed to the surface of the heat exchanger reaches th water spray quantity in the temperature reducing process, or the water spray quantity of the water sprayed to the surface of the heat exchanger reaches th water spray quantity in the constant temperature process.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the constant temperature process is maintained for a set time, which may be in the range of 0.5min to 3min, for example, 0.5min, 1min, 2min or 3 min.
And S202, when the temperature of the heat exchanger is lower than the th preset temperature, spraying water to the surface of the heat exchanger in a second water spraying amount, wherein the th water spraying amount is larger than the second water spraying amount.
The frosting process of the surface of the heat exchanger is carried out in sections, water is sprayed to the surface of the heat exchanger in sections, the accuracy of water spraying amount is improved, and the phenomenon that the water spraying amount is too much or the water spraying amount is insufficient can be reduced.
The method for self-cleaning air conditioners provided by the embodiment of the disclosure can also solve the problem of uneven frosting of the surfaces of the heat exchangers, for example, the process of reducing the temperature of the heat exchanger to preset temperature only comprises a water spray temperature reduction process, when the temperature of the heat exchanger is reduced to times before the preset temperature of the heat exchanger reaches the preset temperature of the th unit, the water spray amount of water sprayed to the heat exchanger surface reaches th unit, when the temperature of the heat exchanger is reduced to the preset temperature of the th unit, the water spray amount of water sprayed to the heat exchanger surface at the time point, the water spray amount of water sprayed to the heat exchanger surface reaches the preset temperature of the 462 th unit, can be fully reduced, when the temperature of the heat exchanger surface reaches the preset temperature of the heat exchanger surface at the time point, the water spray amount of water sprayed to the heat exchanger surface reaches the preset temperature of the 462 th unit at the time point, the water spray amount of water sprayed to the heat exchanger surface reaches the preset temperature of the heat exchanger surface, the constant temperature of the heat exchanger, the constant temperature of the constant temperature.
In application scenarios, the th water injection amount can be set to be larger than the second water injection amount, and the second water injection amount can be implemented to be half of the th water injection amount, or the second water injection amount is larger than half of the th water injection amount, or the second water injection amount is smaller than half of the th water injection amount.
In application scenarios, the type of the air conditioner is determined, the average temperature of the air conditioner application environment is determined, and the means for cooling the heat exchanger is also determined, so that the cooling time for the temperature of the heat exchanger to decrease from the ambient temperature to the th preset temperature can be estimated, the th water spraying time can be determined by the water spraying manner (intermittent or continuous) and the cooling time, the th water spraying speed can be calculated by the th water spraying time and the th water spraying amount, and when the temperature of the heat exchanger is higher than or equal to the th preset temperature, water is sprayed to the surface of the heat exchanger at the th water spraying speed.
For example, the set frosting area of the surface of the heat exchanger is 80-95 percent of the total area, specifically, the set frosting area of the surface of the heat exchanger can be 80 percent, 85 percent, 90 percent or 95 percent.
When the frosting process of the surface of the heat exchanger is carried out in two stages, the th preset temperature is positively correlated with the lowest frosting temperature, namely, the lower the lowest frosting temperature is, the lower the th preset temperature is, for example, when the lowest frosting temperature is T ℃ (T is less than 0), the th preset temperature can be 1/3T, 1/2T or 2/3T.
FIG. 3 is a schematic flow chart of water injection amount regulation according to the temperature of a heat exchanger, which is provided by the embodiment of the disclosure.
In this embodiment, adjusting the amount of water injection according to the temperature of the heat exchanger includes:
and S301, when the temperature of the heat exchanger is higher than or equal to the th preset temperature, spraying water to the surface of the heat exchanger in th water spraying amount.
Optionally, the amount of water sprayed onto the heat exchanger surface reaches th amount of water sprayed before the temperature of the heat exchanger is reduced to th preset temperature, or reaches th amount of water sprayed when the temperature of the heat exchanger is reduced to th preset temperature.
Optionally, the process of reducing the temperature of the heat exchanger to th preset temperature comprises a temperature reduction process and a constant temperature process, wherein in the temperature reduction process, the compressor can be controlled to operate at constant power, the operation frequency of the compressor can be controlled to gradually increase, in the constant temperature process, the compressor can be controlled to operate in a frequency fluctuation mode to maintain the temperature of the heat exchanger at th preset temperature, optionally, the water spray quantity of water sprayed to the surface of the heat exchanger reaches th water spray quantity in the temperature reduction process, or the water spray quantity of water sprayed to the surface of the heat exchanger reaches th water spray quantity in the constant temperature process.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the constant temperature process is maintained for a set time, which may be in the range of 0.5min to 3min, for example, 0.5min, 1min, 2min or 3 min.
And S302, spraying water to the surface of the heat exchanger at a second water spraying amount when the temperature of the heat exchanger is lower than th preset temperature and higher than a second preset temperature.
Alternatively, the amount of water sprayed onto the heat exchanger surface reaches the th amount of water sprayed before the temperature of the heat exchanger decreases to the second predetermined temperature, or the amount of water sprayed onto the heat exchanger surface reaches the second amount of water sprayed when the temperature of the heat exchanger decreases to the second predetermined temperature.
Optionally, the process of reducing the temperature of the heat exchanger to the second preset temperature includes a cooling process and a constant temperature process, and in the cooling process, the compressor can be controlled to operate at constant power, and the operating frequency of the compressor can be controlled to gradually increase; during the constant temperature process, the compressor can be controlled to operate in a frequency fluctuation mode to maintain the temperature of the heat exchanger at the second preset temperature. Optionally, in the cooling process, the water spraying amount of spraying water to the surface of the heat exchanger reaches a second water spraying amount; or the water spraying amount of the water sprayed to the surface of the heat exchanger reaches the second water spraying amount in the constant temperature process.
Optionally, the constant temperature process is maintained for a set time, which may be in the range of 0.5min to 3min, for example, 0.5min, 1min, 2min or 3 min.
And S303, spraying water to the surface of the heat exchanger in a third water spraying amount when the temperature of the heat exchanger is lower than or equal to a second preset temperature. Wherein the third water injection amount is less than or equal to the second water injection amount.
The frosting process of the surface of the heat exchanger is carried out in a segmented mode, water is sprayed to the surface of the heat exchanger in a segmented mode, is carried out, the accuracy of water spraying quantity is improved, and is carried out, so that the phenomenon that the water spraying quantity is too large or the water spraying quantity is not enough is reduced.
In the cooling process of heat exchanger, the segmentation is to the heat exchanger surface water spray, frosting process for the heat exchanger surface provides abundant time, water spray time before down, this water spray's water spray volume can be fully frosted on the heat exchanger surface, then water of spouting down, still can evenly cover the heat exchanger surface, be favorable to water evenly frosting on the heat exchanger surface, when the demand frosting volume is too big (need big water gaging), still can reduce the water yield of drippage on the heat exchanger surface, reduce the cold volume of taking away on the heat exchanger because of rivers drippage, the electric energy has been practiced thrift.
The method for self-cleaning air conditioners provided by the embodiment of the disclosure can also solve the problem of uneven frosting of the surfaces of the heat exchangers, for example, the process of reducing the temperature of the heat exchangers to includes a temperature reduction process, the process of reducing the temperature of the heat exchangers to 3625 preset temperature includes a sufficient temperature reduction process, the process of reducing the temperature of the heat exchangers to th time before the temperature of the heat exchangers is reduced to th preset temperature includes the step of reducing the temperature of the heat exchangers by spraying water to th time when the amount of water sprayed to the surfaces of the heat exchangers reaches 361 th water spraying amount, the process of reducing the temperature of the heat exchangers to 462 th preset temperature by spraying water at this time when the temperature of the heat exchangers is reduced to the 462 th preset temperature by a second amount of water spraying water, the amount of water sprayed to th water spraying water on the surfaces of the heat exchangers to be sufficient to frosting when the temperature of the heat exchangers reaches the second preset temperature of the heat exchangers, the second amount of water spraying water to the heat exchangers to a predetermined temperature reduction process, the temperature reduction process of the surface of the heat exchangers to a predetermined temperature reduction process of the heat exchangers, the second water spraying water to a predetermined temperature reduction process includes the second amount of the second water spraying water to a predetermined temperature reduction process of the heat exchangers, the heat exchangers to a predetermined temperature reduction process of the heat exchangers, the heat spraying water to a second water spraying water to a predetermined temperature reduction process of frosting, the heat exchangers to a predetermined temperature reduction process of the heat exchangers, the second water spraying water to a predetermined temperature reduction process of the heat exchange temperature reduction process of the heat exchangers, the heat exchangers to a predetermined temperature reduction process of reducing the heat exchange temperature reduction process of frosting, the heat exchangers to a second water spraying water to a predetermined temperature reduction process of the heat exchange temperature reduction process of frosting to a second water, the heat exchangers to a second frosting temperature reduction process of the heat exchangers to a predetermined temperature reduction process of the heat exchangers to a second frosting temperature reduction process of frosting temperature reduction process includes the frosting to a predetermined temperature reduction process of the frosting after the frosting of the second frosting of the second frosting of the heat exchangers, the heat exchangers to a predetermined temperature reduction process of the heat exchangers, the second frosting of the heat exchangers, the heat.
In applications, the th and second and third water jets may be greater than the second and third water jets, or the th and third water jets may be greater than the second and third water jets, or the second water jet may be half the th and third water jet greater than the second water jet, or the second water jet may be half the th and third water jet equal to the second water jet, or the th and second water jet greater than the third water jet and th half the total water jet to the heat exchanger surfaces is times the total water jet.
In application scenarios, the type of the air conditioner is determined, the average temperature of the air conditioner application environment is determined, and the means for cooling the heat exchanger is also determined, so that the cooling time for the temperature of the heat exchanger to decrease from the ambient temperature to the th preset temperature can be estimated, the 0 th water spraying time can be determined by the water spraying manner (intermittent or continuous) and the cooling time, the th water spraying speed can be calculated by the th water spraying time and the th water spraying amount, when the temperature of the heat exchanger is higher than or equal to the th preset temperature, the spraying device is controlled to spray water to the surface of the heat exchanger at the th water spraying speed, when the temperature of the heat exchanger decreases from the th preset temperature to the th preset temperature, the second water spraying time and the second water spraying speed can be sequentially determined, and when the temperature of the heat exchanger is lower than the th preset temperature and higher than or equal to the second preset temperature, the spraying device is controlled to spray water to the surface of the heat.
When the frosting process of the heat exchanger surface is performed in three stages by using the th preset temperature and the second preset temperature, the th preset temperature is positively correlated with the lowest frosting temperature, or the second preset temperature is positively correlated with the lowest frosting temperature, or the th preset temperature and the second preset temperature are both positively correlated with the lowest frosting temperature, for example, when the lowest frosting temperature is T ℃ (T0), the th preset temperature may be 1/3T, 1/2T or 2/3T, or the second preset temperature may be 1/3T, 1/2T or 2/3T, or the th preset temperature is 1/3T and the th preset temperature is 1/2T or 2/3T, or the th preset temperature is 1/2T and the second preset temperature is 2/3T.
Fig. 4 is a schematic flow chart of methods 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:
s401, after the air conditioner enters a self-cleaning mode, the temperature of the heat exchanger is reduced.
In the self-cleaning mode of the air conditioner, the temperature of the heat exchanger is firstly reduced to frost the surface of the heat exchanger, and then the temperature of the heat exchanger is increased to melt the frost on the surface of the heat exchanger. In the process of frosting, water on the surface of the heat exchanger is changed into a solid state from a liquid state, the volume is increased, an expansion force is generated, pollutants attached to the surface of the heat exchanger are separated from the surface of the heat exchanger under the action of the expansion force, in the defrosting process, frost is melted to form water flow, and the water flow can flush away the pollutants separated from the surface of the heat exchanger.
The method for self-cleaning of the air conditioner is used for the frosting process of the surface of the heat exchanger, and the temperature of the heat exchanger tends to decrease in the frosting process. The operating frequency of the compressor can be increased to reduce the temperature of the heat exchanger surfaces.
S402, spraying water to the surface of the heat exchanger in the cooling process of the heat exchanger, and adjusting the water spraying amount according to the running frequency of the compressor.
In the embodiment of the disclosure, water required for frosting on the surface of the heat exchanger is not only from condensation, but also from water sprayed on the surface of the heat exchanger, so that electric energy required for the condensation process on the surface of the heat exchanger is reduced, and energy is saved.
In the embodiment of the present disclosure, the spraying device may be configured to spray water to the side surface of the heat exchanger, or may be configured to spray water from the side surface of the heat exchanger.
FIG. 5 is a schematic flow chart illustrating water injection amount adjustment according to the operation frequency of the compressor, according to the embodiment of the disclosure.
In this embodiment, adjusting the amount of water injection based on the operating frequency of the compressor includes:
and S501, after the compressor starts to operate at th preset frequency, water is sprayed to the surface of the heat exchanger at th water spraying amount.
In application scenarios, the type of the air conditioner is determined, the operating frequency of the compressor and the variation speed of the temperature of the heat exchanger have a corresponding relationship, the operating frequency of the compressor and the achievable temperature of the heat exchanger have a corresponding relationship, and the temperature of the heat exchanger can be adjusted by adjusting the operating frequency of the compressor.
Alternatively, after the compressor is operated at the th preset frequency, the temperature of the heat exchanger may be decreased to the th preset temperature.
Optionally, after the compressor is operated at th preset frequency, the compressor is always operated at th preset frequency until the temperature of the heat exchanger is reduced to th preset frequency, optionally, the amount of water sprayed to the surface of the heat exchanger reaches th water spraying amount during the operation of the compressor at th preset frequency, or reaches th water spraying amount after the operation of the compressor at th preset frequency is finished.
Optionally, after the compressor starts to operate at th preset frequency, the compressor is operated at th preset frequency to reduce the temperature of the heat exchanger to th preset temperature, and then the compressor is operated in a frequency fluctuation mode to maintain the heat exchanger at th preset temperature, optionally, the amount of water sprayed onto the surface of the heat exchanger reaches th water spraying amount during the operation of the compressor at th preset frequency, or the amount of water sprayed onto the surface of the heat exchanger reaches th water spraying amount during the operation of the compressor in a frequency fluctuation mode.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the time that the compressor is operated in a frequency fluctuating manner lasts for a set time, which may be in the range of 0.5min to 3min, for example, 0.5min, 1min, 2min, or 3 min.
And S502, after the compressor starts to operate at a second preset frequency, spraying water to the surface of the heat exchanger at a second water spraying amount, wherein the th preset frequency is less than the second preset frequency, and the th water spraying amount is greater than or equal to the second water spraying amount.
The frosting process on the surface of the heat exchanger is carried out in sections, and water is sprayed on the surface of the heat exchanger in sections, so that the accuracy of water spraying amount is improved, and the phenomenon that the water spraying amount is insufficient or the water spraying amount is excessive can be reduced.
The method for self-cleaning the air conditioner can also solve the problem of uneven frosting of the surface of the heat exchanger, for example, the compressor can be operated at a preset frequency, the water spraying amount of water to the surface of the heat exchanger reaches a water spraying amount before the temperature of the heat exchanger reaches a preset temperature, the water spraying amount of water to the surface of the heat exchanger can be fully frosted in the time from the moment to the temperature of the heat exchanger which is reduced to a 1 preset temperature, the water spraying amount of water to the surface of the heat exchanger can be fully frosted when the temperature of the heat exchanger reaches a 8650 water spraying amount, the water spraying amount of water to the surface of the heat exchanger reaches a 583 alone, the water spraying amount of water to the surface of the heat exchanger reaches a 582 water spraying amount, the surface of the heat exchanger can reach a 8652 water spraying amount when the temperature of the heat exchanger reaches a preset frequency, the water spraying amount of water to the surface of the heat exchanger alone can reach a fullest frosting amount when the temperature of the heat exchanger reaches a preset temperature, the surface of the heat exchanger, the water spraying amount of water to the surface of the heat exchanger reaches a 583 alone, the surface of the heat exchanger, the water spraying amount of water to reach a 5392 water spraying amount of the water to the surface of the heat exchanger, the water spraying amount of the surface of the water of the heat exchanger, the water spraying water of the heat exchanger, the water spraying water of the heat exchanger, the water of the compressor alone can be fully frosting unit, the compressor can be fully frosting amount of the compressor, the compressor can be increased when the compressor, the compressor can be increased when the compressor.
In application scenarios, th water injection amount is larger than the second water injection amount, which can be implemented as half of th water injection amount, half of th water injection amount, or half of th water injection amount, wherein the temperature of the heat exchanger shows a decreasing trend along with the operation of the compressor, and the water injection amount is increased along with the decrease of the temperature of the heat exchanger.
In , the operation frequency of the compressor is preset, for example, the compressor is operated at at the preset frequency and then operated in a frequency fluctuation mode within preset time, after preset time, the compressor is operated at the second preset frequency and then operated in a frequency fluctuation mode, the water injection time is determined by the water injection mode (intermittent or continuous) and preset time, and then the water injection speed is calculated by the water injection time and water injection quantity, and when the compressor is operated at preset frequency, water is injected to the surface of the heat exchanger at water injection speed.
In , the operation frequency of the compressor is preset, for example, the compressor is operated at the second preset frequency in the second preset time, then operated in a frequency fluctuation mode, and after the second preset time, the compressor is operated at the third preset frequency.
For example, the set frosting area of the surface of the heat exchanger is 80-95 percent of the total area, specifically, the set frosting area of the surface of the heat exchanger can be 80 percent, 85 percent, 90 percent or 95 percent.
The th preset frequency is optionally less than the maximum allowable frequency and the second preset frequency is less than or equal to the maximum allowable frequency, wherein the heat exchanger can reach minimum temperatures, for example, the minimum temperatures can be the minimum frosting temperatures in the previous embodiments, at which the frosting area of the heat exchanger surface can reach the preset frosting area and the heat exchanger surface does not freeze, optionally, the th preset frequency is half of the second preset frequency.
FIG. 6 is a flow chart illustrating the operation of adjusting the amount of water injected based on the frequency of the compressor according to the present disclosure.
In this embodiment, adjusting the amount of water injection based on the operating frequency of the compressor includes:
and S601, after the compressor starts to operate at th preset frequency, spraying water to the surface of the heat exchanger at th water spraying amount.
In application scenarios, the type of the air conditioner is determined, the operating frequency of the compressor and the variation speed of the temperature of the heat exchanger have a corresponding relationship, the operating frequency of the compressor and the achievable temperature of the heat exchanger have a corresponding relationship, and the temperature of the heat exchanger can be adjusted by adjusting the operating frequency of the compressor.
Alternatively, after the compressor is operated at the th preset frequency, the temperature of the heat exchanger may be decreased to the th preset temperature.
Optionally, after the compressor is operated at th preset frequency, the compressor is always operated at th preset frequency until the temperature of the heat exchanger is reduced to th preset frequency, optionally, the amount of water sprayed to the surface of the heat exchanger reaches th water spraying amount when the compressor is operated at th preset frequency, or reaches th water spraying amount when the compressor is finished operating at th preset frequency.
Optionally, after the compressor starts to operate at th preset frequency, the compressor is operated at th preset frequency to reduce the temperature of the heat exchanger to th preset temperature, and then the compressor is operated in a frequency fluctuation mode to maintain the heat exchanger at th preset temperature, optionally, the amount of water sprayed onto the surface of the heat exchanger reaches th water spraying amount during the operation of the compressor at th preset frequency, or the amount of water sprayed onto the surface of the heat exchanger reaches th water spraying amount during the operation of the compressor in a frequency fluctuation mode.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the time that the compressor is operated in a frequency fluctuating manner lasts for a set time, which may be in the range of 0.5min to 3min, for example, 0.5min, 1min, 2min, or 3 min.
And S602, after the compressor starts to operate at a second preset frequency, spraying water to the surface of the heat exchanger at a second water spraying amount.
Optionally, after the compressor is operated at the second predetermined frequency, the temperature of the heat exchanger may be decreased to a second predetermined temperature.
Optionally, after the compressor operates at the second preset frequency, the method includes: the compressor is always operated at a second preset frequency until the temperature of the heat exchanger is reduced to a second preset temperature. Optionally, the amount of water sprayed onto the surface of the heat exchanger reaches a second amount of water sprayed before the temperature of the heat exchanger will decrease to a second preset temperature; or when the temperature of the heat exchanger is reduced to a second preset temperature, the water spraying amount for spraying water to the surface of the heat exchanger reaches a second water spraying amount.
Optionally, after the compressor operates at the second frequency, the method includes: the compressor firstly runs at a second preset frequency, so that the temperature of the heat exchanger is reduced to a second preset temperature, and then the compressor runs in a frequency fluctuation mode, so that the heat exchanger maintains the second preset temperature. Optionally, during the operation of the compressor at the second preset frequency, the water injection amount for injecting water to the surface of the heat exchanger reaches a second water injection amount; alternatively, the amount of water sprayed onto the heat exchanger surface reaches the second amount of water sprayed during operation of the compressor in a frequency fluctuating manner.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the time that the compressor is operated in a frequency fluctuating manner lasts for a set time, which may be in the range of 0.5min to 3min, for example, 0.5min, 1min, 2min, or 3 min.
And S603, after the compressor starts to operate at a third preset frequency, spraying water to the surface of the heat exchanger at a third water spraying amount. Wherein, the third preset frequency is greater than the second preset frequency, and the third water spraying amount is less than or equal to the second water spraying amount.
The frosting process on the surface of the heat exchanger is carried out in sections, water is sprayed to the surface of the heat exchanger in sections, the accuracy of water spraying amount is improved, and the phenomenon that the water spraying amount is insufficient or the water spraying amount is excessive can be reduced.
The method for self-cleaning air conditioners provided by the embodiment of the disclosure can also solve the problem of uneven frosting of the surfaces of the heat exchangers, for example, the compressor can be operated at a preset frequency, the amount of water sprayed to the surfaces of the heat exchangers reaches a water spraying amount before the temperature of the heat exchangers reaches a preset temperature, the amount of water sprayed to the surfaces of the heat exchangers 2 at the time point when the temperature of the heat exchangers is reduced to a 1 preset temperature can be fully frosted, the amount of water sprayed to the surfaces of the heat exchangers can be fully frosted when the temperature of the heat exchangers reaches a 8655 water spraying amount, the amount of water sprayed to the surfaces of the heat exchangers alone can be increased when the temperature of the heat exchangers reaches a 583 preset temperature, the amount of water sprayed to the surfaces of the heat exchangers alone can be increased by a second water spraying amount, the amount of water sprayed to the surfaces of the heat exchangers alone can increase the uniformity of the water sprayed to the heat exchangers before the frosting of the heat exchangers reaches a preset temperature, the frosting of the surfaces of the heat exchangers, the heat exchangers can be increased by a water spraying water sprayed to the heat exchangers intermittently, the frosting temperature of the heat exchangers, the frosting of the heat exchangers can be increased by a second water spraying water at a 364 preset frequency, the frosting process of the frosting of the heat exchangers, the frosting of the heat exchangers alone can be increased by increasing the frosting of the heat exchangers alone when the frosting of the heat exchangers, the frosting of the heat exchangers before the frosting of the heat exchangers, the frosting of the defrosting heat exchangers, the frosting of the defrosting heat exchangers, the frosting of the defrosting heat exchangers, the frosting of the frosting water spraying water of a second water spraying water of the frosting of a second water-spraying water-.
In applications, the th and second and third water jets may be greater than the second and third water jets, or the th and third water jets may be greater than the second and third water jets, or the second water jet may be half the th and third water jet greater than the second water jet, or the second water jet may be half the th and third water jet equal to the second water jet, or the th and second water jet greater than the third water jet and th half the total water jet to the heat exchanger surfaces is times the total water jet.
Alternatively, the th preset frequency is less than the maximum allowed frequency, the second preset frequency is less than the maximum allowed frequency, and the third preset frequency is less than or equal to the maximum allowed frequency, wherein when the compressor is operated at the maximum allowed frequency, the heat exchanger may reach lowest temperatures, such as the lowest frosting temperature in the previous embodiment, at which the frosting area of the heat exchanger surface may reach the preset frosting area and the heat exchanger surface is not frozen.
Fig. 7 is a schematic flow chart of methods 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:
s701, reducing the temperature of the heat exchanger after the air conditioner enters a self-cleaning mode.
In the self-cleaning mode of the air conditioner, the temperature of the heat exchanger is firstly reduced to frost the surface of the heat exchanger, and then the temperature of the heat exchanger is increased to melt the frost on the surface of the heat exchanger. In the process of frosting, water on the surface of the heat exchanger is changed into a solid state from a liquid state, the volume is increased, an expansion force is generated, pollutants attached to the surface of the heat exchanger are separated from the surface of the heat exchanger under the action of the expansion force, in the defrosting process, frost is melted to form water flow, and the water flow can flush away the pollutants separated from the surface of the heat exchanger.
The method for self-cleaning of the air conditioner is used for the frosting process of the surface of the heat exchanger, and the temperature of the heat exchanger tends to decrease in the frosting process. The operating frequency of the compressor can be increased to reduce the temperature of the heat exchanger surfaces.
S702, spraying water to the surface of the heat exchanger in the cooling process of the heat exchanger, and adjusting the water spraying amount according to the cooling time.
In the embodiment of the disclosure, water required for frosting on the surface of the heat exchanger is not only from condensation, but also from water sprayed on the surface of the heat exchanger, so that electric energy required for the condensation process on the surface of the heat exchanger is reduced, and energy is saved.
In the embodiment of the present disclosure, the spraying device may be configured to spray water to the side surface of the heat exchanger, or may be configured to spray water from the side surface of the heat exchanger.
Fig. 8 is a schematic flow chart of methods for adjusting the amount of water sprayed according to the cooling time according to the embodiment of the disclosure.
In this embodiment, adjusting the amount of water sprayed according to the cool down time includes:
and S801, spraying water to the surface of the heat exchanger in a water spraying amount when the temperature reduction time is less than or equal to preset time.
In , the frosting process on the surface of the heat exchanger is preset, for example, the compressor is controlled to operate at the th preset frequency within the th preset time to reduce the temperature of the heat exchanger to the th preset temperature, and after the th preset time, the compressor is controlled to operate at the second preset frequency to reduce the temperature of the heat exchanger to the second preset temperature.
Optionally, when the cooling time is less than the th preset time, the temperature of the heat exchanger is continuously reduced, and when the cooling time is equal to the th preset time, the temperature of the heat exchanger is reduced to the th preset temperature, optionally, when the cooling time is less than the th preset time, the amount of water sprayed to the surface of the heat exchanger reaches the th water spraying amount, or, when the cooling time is equal to the th preset time, the amount of water sprayed to the surface of the heat exchanger reaches the th water spraying amount.
Optionally, when the cooling time reaches th preset time, the heat exchanger has cooled down to th preset temperature and is maintained at 0 th preset temperature for 1 period of time, for example, 2 th preset time comprises 3 th cooling time period and 4 th constant temperature time period, wherein, in th cooling time period, the temperature of the heat exchanger can be reduced to th preset temperature, in th constant temperature time period, the heat exchanger is maintained at th preset temperature, optionally, in th cooling time period, the amount of water sprayed to the surface of the heat exchanger reaches th amount of water sprayed, or, in th cooling time period, the amount of water sprayed to the surface of the heat exchanger reaches th amount of water sprayed.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the set time of the th constant temperature time period may be 0.5min to 3min, for example, the th constant temperature time period is 0.5min, 1min, 2min or 3 min.
And S802, spraying water to the surface of the heat exchanger in a second water spraying amount when the temperature reduction time is longer than preset time, wherein the water spraying amount is larger than or equal to the second water spraying amount.
The frosting process on the surface of the heat exchanger is carried out in sections, and water is sprayed on the surface of the heat exchanger in sections, so that the accuracy of water spraying amount is improved, and the phenomenon that the water spraying amount is insufficient or the water spraying amount is excessive can be reduced.
When the water is sprayed onto the surface of the heat exchanger continuously during the frosting process of the surface of the heat exchanger, water easily flows to the lower portion of the heat exchanger, the water temperature is continuously reduced until frosting is formed during the water flowing process, the cold quantity of the surface of the upper portion of the heat exchanger is brought to the surface of the lower portion of the heat exchanger during the water flowing process, the frosting of the surface of the lower portion of the heat exchanger is not facilitated, and therefore the frosting of the surface of the heat exchanger is not uniform, the problem of the non-uniform frosting of the surface of the heat exchanger can be solved through the method for self-cleaning of the air conditioner provided by the embodiment of the disclosure, for example, when the temperature reducing time is less than the preset time of a , the temperature of the heat exchanger is continuously reduced, when the temperature reducing time is equal to the preset time of a when the th preset time, when the temperature of the heat exchanger is reduced to the preset temperature of a th, when the temperature reducing time is less than the preset time of a 42 1 th preset time, the water spraying amount of water onto the surface of the heat exchanger reaches a th water spraying water, when the water for a constant temperature of the heat exchanger reaches a 465, the water spraying water to a 465 th preset water spraying water, the water spraying water for a period of a second water spraying water for which is not less than the preset water spraying water when the temperature reducing time of the constant temperature of the heat exchanger, the constant temperature reducing heat exchanger, the constant temperature of the heat exchanger, the constant temperature reducing water spraying water when the constant temperature of the heat exchanger is equal to a second preset water spraying water for the constant temperature of the constant water of the heat exchanger, the constant temperature of the heat exchanger, the constant temperature of the heat exchanger, the constant temperature of the constant water spraying water of the constant temperature of the constant.
In application scenarios, the th water injection amount is set to be greater than the second water injection amount, and the second water injection amount is half of the th water injection amount, or half of the th water injection amount, or half of the th water injection amount, the water injection amount is increased along with the decrease of the temperature of the heat exchanger, when the cooling time is less than or equal to the th preset time, the temperature of the heat exchanger is greater than or equal to the th preset temperature, the temperature of the heat exchanger is higher, the frosting speed is slower, and the water flowing property of the water sprayed on the surface of the heat exchanger is better, so that the water sprayed on the surface of the heat exchanger can flow to a position where the spray device cannot spray, the frosting coverage area of the surface of the heat exchanger is improved, and the self-cleaning effect is improved.
In , the water spraying mode (intermittent or continuous) for spraying water to the surface of the heat exchanger is preset, the time for the water spraying amount of spraying water to reach the th water spraying amount is also preset, the th water spraying speed can be calculated by the th water spraying amount, the water spraying mode and the time for the water spraying amount of spraying water to reach the th water spraying amount, and when the temperature reduction time is less than or equal to the th preset time, water is sprayed to the surface of the heat exchanger at the th water spraying speed.
For example, the set frosting area of the surface of the heat exchanger is 80-95 percent of the total area, specifically, the set frosting area of the surface of the heat exchanger can be 80 percent, 85 percent, 90 percent or 95 percent.
FIG. 9 is a schematic flow chart of methods for adjusting the amount of water sprayed according to the cooling time according to the embodiment of the present disclosure.
In this embodiment, adjusting the amount of water sprayed according to the cool down time includes:
and S901, spraying water to the surface of the heat exchanger at th water spraying amount when the temperature reduction time is less than or equal to th preset time.
In , the frosting process on the surface of the heat exchanger is preset, for example, the compressor is controlled to operate at the th preset frequency within the th preset time to reduce the temperature of the heat exchanger to the th preset temperature, and after the th preset time, the compressor is controlled to operate at the second preset frequency to reduce the temperature of the heat exchanger to the second preset temperature.
Optionally, when the cooling time is less than the th preset time, the temperature of the heat exchanger is continuously reduced, and when the cooling time is equal to the th preset time, the temperature of the heat exchanger is reduced to the th preset temperature, optionally, when the cooling time is less than the th preset time, the amount of water sprayed to the surface of the heat exchanger reaches the th water spraying amount, or, when the cooling time is equal to the th preset time, the amount of water sprayed to the surface of the heat exchanger reaches the th water spraying amount.
Optionally, when the cooling time reaches th preset time, the heat exchanger has cooled down to th preset temperature and is maintained at 0 th preset temperature for 1 period of time, for example, 2 th preset time comprises 3 th cooling time period and 4 th constant temperature time period, wherein, in th cooling time period, the temperature of the heat exchanger can be reduced to th preset temperature, in th constant temperature time period, the heat exchanger is maintained at th preset temperature, optionally, in th cooling time period, the amount of water sprayed to the surface of the heat exchanger reaches th amount of water sprayed, or, in th cooling time period, the amount of water sprayed to the surface of the heat exchanger reaches th amount of water sprayed.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the set time of the th constant temperature time period may be 0.5min to 3min, for example, the th constant temperature time period is 0.5min, 1min, 2min or 3 min.
And S902, spraying water to the surface of the heat exchanger at a second water spraying amount when the temperature reduction time is longer than th preset time and shorter than a second preset time.
Optionally, when the cooling time is longer than the th preset time and shorter than the second preset time, the temperature of the heat exchanger is continuously reduced, and when the cooling time is equal to the second preset time, the temperature of the heat exchanger is reduced to the second preset temperature, optionally, when the cooling time is longer than the th preset time and shorter than the second preset time, the water spraying amount of the water sprayed to the surface of the heat exchanger reaches the th water spraying amount, or, when the cooling time is equal to the second preset time, the water spraying amount of the water sprayed to the surface of the heat exchanger reaches the th water spraying amount.
Optionally, the heat exchanger has been cooled to and maintained at a second predetermined temperature for hours when the cool down time reaches a second predetermined time, for example, th predetermined time to the second predetermined time includes a second cool down time and a second constant temperature time.
Optionally, the spraying device is controlled to intermittently spray water to the surface of the heat exchanger during the spraying of water to the surface of the heat exchanger.
Optionally, the second constant temperature time period setting time may be 0.5min to 3min, for example, the second constant temperature time period is 0.5min, 1min, 2min or 3 min.
And S903, spraying water to the surface of the heat exchanger at a third water spraying amount when the temperature reduction time is more than or equal to a second preset time. Wherein the third water injection amount is less than or equal to the second water injection amount.
The frosting process on the surface of the heat exchanger is carried out in sections, water is sprayed to the surface of the heat exchanger in sections, the accuracy of water spraying amount is improved, and the phenomenon that the water spraying amount is insufficient or the water spraying amount is excessive can be reduced.
When the water is sprayed onto the surface of the heat exchanger continuously during the frosting process of the surface of the heat exchanger, water easily flows to the lower portion of the heat exchanger, the water temperature is continuously reduced until frosting is formed during the water flowing process, the cold quantity of the surface of the upper portion of the heat exchanger is brought to the surface of the lower portion during the water flowing process, the frosting of the surface of the upper portion of the heat exchanger is not facilitated, the frosting of the surface of the lower portion of the heat exchanger is not uniform, the problem of the non-uniform frosting of the surface of the heat exchanger is solved, for example, when the temperature reducing time is less than the preset time of a , the temperature of the heat exchanger is continuously reduced, when the temperature of the heat exchanger is reduced to the preset temperature of when the temperature reducing time is equal to the preset time of a , when the water spraying amount of the constant temperature water onto the surface of the heat exchanger reaches the preset water quantity of 2 when the temperature of the constant temperature water spraying water onto the surface of the heat exchanger reaches the preset water spray water temperature of 465, the second water spray surface of the heat exchanger, the constant temperature of the heat exchanger is increased to reach the preset water spray frosting temperature of when the constant temperature of the constant temperature spray water of the heat exchanger, the second water spray heat exchanger, the constant temperature of the heat exchanger, the constant temperature spray water of the heat exchanger, the constant temperature of the heat exchanger is increased, the constant temperature of the heat exchanger, the constant temperature of the constant temperature spray heat exchanger, the constant temperature of the constant temperature spray water spray heat exchanger is increased, the constant temperature of heat exchanger, the constant temperature of the constant temperature of constant temperature spray heat exchanger, the constant temperature of constant water spray heat exchanger, the constant temperature of constant temperature heat exchanger, the constant temperature of.
In applications, the th and second and third water jets may be greater than the second and third water jets, or the th and third water jets may be greater than the second and third water jets, or the second water jet may be half the th and third water jet greater than the second water jet, or the second water jet may be half the th and third water jet equal to the second water jet, or the th and second water jet greater than the third water jet and th half the total water jet to the heat exchanger surfaces is times the total water jet.
In , the water spraying mode (intermittent or continuous) for spraying water to the surface of the heat exchanger is preset, the time for the water spraying amount of spraying water to reach the th water spraying amount is also preset, the th water spraying speed can be calculated by the th water spraying amount, the water spraying mode and the time for the water spraying amount of spraying water to reach the th water spraying amount, and when the temperature reduction time is less than or equal to the th preset time, water is sprayed to the surface of the heat exchanger at the th water spraying speed.
In , the water spraying mode (intermittent or continuous) for spraying water to the surface of the heat exchanger is preset, the time for the water spraying amount of the water to reach the second water spraying amount is also preset, and the second water spraying speed can be calculated according to the second water spraying amount, the water spraying mode and the time for the water spraying amount of the water to reach the second water spraying amount, and when the cooling time is longer than th preset time and shorter than the second preset time, the water is sprayed to the surface of the heat exchanger at the second water spraying speed.
Optionally, the th preset temperature is positively correlated with the lowest frosting temperature when the heat exchanger maintains the th preset temperature, and the second preset temperature is positively correlated with the lowest frosting temperature when the heat exchanger maintains the second preset temperature.
The embodiment of the disclosure provides devices for self-cleaning of an air conditioner.
In , the apparatus for air conditioning self-cleaning includes a processor and a memory storing program instructions, the processor being configured to execute the method for air conditioning self-cleaning provided by the foregoing embodiments when executing the program instructions.
Fig. 10 is a schematic diagram of kinds of devices for self-cleaning of an air conditioner, provided by the embodiment of the disclosure.
In this embodiment, the apparatus for air conditioning self-cleaning includes:
a processor (processor)101 and a memory (memory)102, and may further include a Communication Interface 103 and a bus 104. The processor 101, the communication interface 103, and the memory 102 may communicate with each other via the bus 104. The communication interface 103 may be used for information transfer. The processor 101 may call logic instructions in the memory 102 to perform the method for air conditioner self-cleaning provided by the above-described embodiments.
Furthermore, the logic instructions in the memory 102 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 102 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, the processor 101 executes the software programs, instructions and modules stored in the memory 102, thereby executing functional applications and data processing, i.e., implementing the methods in the above method embodiments.
The memory 102 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.
The embodiment of the disclosure provides air conditioners, which comprise the self-cleaning device for the air conditioner provided by the embodiment.
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 above description and drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them, other embodiments may include structural, logical, electrical, procedural and other changes, the embodiments merely represent possible changes unless explicitly claimed, individual components and features are optional and the order of operation may vary, the scope of the embodiments of the disclosure includes the full scope of the claims and all available equivalents of the claims, when used in this application, although the terms "", "second" and the like may be used in this application to describe elements without limitation to these terms, these terms are used only to distinguish elements from elements, for example, a 2 element may be called a second element unless otherwise stated in this application, the term " element" is used in conjunction with the specification of the specification to distinguish between "" elements "and" elements "which are used in this application unless otherwise stated or stated that" the term "962" or "explicitly describes" an element "may be included in the specification," and "explicitly stated," and "may include" contain "or" unnecessary "elements" (or "may be included in the specification, or" expressly stated).
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:
the temperature of the heat exchanger is reduced after the air conditioner enters a self-cleaning mode;
and spraying water to the surface of the heat exchanger in the cooling process of the heat exchanger, and adjusting the water spraying amount according to the running frequency of the compressor.
2. The method of claim 1, wherein adjusting the amount of water injection based on the operating frequency of the compressor comprises:
spraying water to the heat exchanger surface at th water spraying amount after the compressor starts to operate at th preset frequency;
after the compressor starts to operate at a second preset frequency, spraying water to the surface of the heat exchanger at a second water spraying amount;
wherein the th preset frequency is less than the second preset frequency, and the th water spray amount is greater than the second water spray amount.
3. The method of claim 2, wherein the second quantity of water jets is half of the th quantity of water jets.
4. The method of claim 2, wherein said th water injection is half of the total water injection to said heat exchanger surface.
5. The method of claim 4, wherein the total amount of water sprayed onto the heat exchanger surface is positively correlated to a predetermined frost area.
6. The method of any one of claims 2 to 5 and , wherein adjusting the amount of water injected is based on the operating frequency of the compressor, further comprising:
after the compressor starts to operate at a third preset frequency, spraying water to the surface of the heat exchanger at a third water spraying amount;
wherein the third preset frequency is greater than the second preset frequency, and the third water spraying amount is less than or equal to the second water spraying amount.
7. The method of any one of claims 2 to 5 and , comprising, after the compressor starts operating at the preset frequency:
the compressor firstly runs at a preset frequency, so that the temperature of the heat exchanger is reduced to a preset temperature;
the compressor is operated in a frequency fluctuation mode, so that the heat exchanger maintains the preset temperature;
the preset temperature is th preset temperature when the preset frequency is th preset frequency, and the preset temperature is second preset temperature when the preset frequency is second preset frequency.
8. The method of claim 7, wherein the th preset temperature is positively correlated with a lowest frosting temperature, and the second preset temperature is positively correlated with a lowest frosting temperature.
An apparatus for self-cleaning of air conditioners, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method for self-cleaning of air conditioners as claimed in any one of claims 1 to 8 through when executing the program instructions.
An air conditioner of the type 10, , comprising a device for self-cleaning of an air conditioner as claimed in claim 9.
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| CN111982753A (en) * | 2020-07-28 | 2020-11-24 | 青岛海尔空调器有限总公司 | Method and system for detecting water drainage capacity of heat exchanger fin |
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