Method and device for cleaning air conditioner filters and air conditioner

Abstract

The method, device, and air conditioner for cleaning the filter (1) of an air conditioner relate to the technical field of smart home appliances, and include: acquiring a standby time length and an operating parameter during operation of the air conditioner; acquiring a reference time of the previous filter (1) cleaning when the standby time length is greater than a first threshold value or the operating parameter meets a preset condition; and performing a corresponding filter (1) cleaning operation based on the reference time. The air conditioner can timely start filter (1) cleaning by using the standby time length and the operating parameter as trigger conditions for filter (1) cleaning during standby and operation of the air conditioner, respectively. Furthermore, the air conditioner can perform the corresponding filter (1) cleaning operation based on the reference time of the previous filter (1) cleaning, thereby avoiding a problem that the air conditioner frequently cleans the filter (1) in a short time, resulting in excessive energy consumption, due to a short interval between the time when the air conditioner cleans the filter (1) during standby and the time when the air conditioner cleans the filter (1) during operation.

Description

[Technical Field]

[0001] This application is filed based on and claims priority from a Chinese patent application having application number 202111322099.3 and filing date November 9, 2021, the entire contents of which are incorporated herein by reference. The present application relates to the technical field of smart home appliances, for example, to a method and apparatus for cleaning the filter of an air conditioner and an air conditioner. [Background technology]

[0002] Currently, air conditioner design is evolving towards smart home living, which meets users' needs for comfort and versatility, eliminates unnecessary cleaning and maintenance, and helps users realize a smart home lifestyle. Currently, most air conditioners on the market are equipped with a self-cleaning function, but most of these self-cleaning functions rely on the frosting and defrosting method in the air conditioner indoor unit to clean the evaporator fins, and have little to do with the self-cleaning function of the filter.

[0003] The prior art includes a method for controlling cleaning of an air conditioner, which includes: acquiring the cumulative operating time of the air conditioner; if the cumulative operating time meets a predetermined time and the air conditioner has not received a water pumping command within the cumulative operating time, controlling the air conditioner to suck condensed water generated during cooling / dehumidifying operation into a dust box and clean the dust box when a cooling / dehumidifying command is received; and controlling the air conditioner to use the condensed water to clean the filter after the air conditioner has finished cleaning the dust box. This prevents dust in the dust box from adhering to the filter as the rotating brush rotates, thereby achieving the purpose of cleaning the air conditioner's filter and ensuring the cleanliness of the filter. Summary of the Invention [Problem to be solved by the invention]

[0004] In the process of implementing the embodiments of the present disclosure, it has been found that the related art has at least the following problems.

[0005] Air conditioners can become clogged with dirt when left unused for long periods of time while in standby mode. Conventional technology controls filter cleaning based on the cumulative operating time, but this only takes into account cases where the filter becomes dirty and clogged while the air conditioner is operating, resulting in low cleaning effectiveness. [Means for solving the problem]

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, the following brief summary is presented. This summary is not a general description, and is not intended to identify key points / important elements or delineate the scope of protection of these embodiments. It is used as a prelude to the detailed description that follows.

[0007] In accordance with an embodiment of the present invention, there is provided a method and device for cleaning the filter of an air conditioner, and an air conditioner, which can perform filter cleaning in a timely manner whether the air conditioner is in standby mode or in operation, thereby improving the effectiveness of the filter cleaning.

[0008] In some embodiments, the air conditioner includes a rotatable filter and a cleaning assembly for cleaning the filter, and the method includes obtaining a standby time length and operating parameters of the air conditioner during operation; if the standby time length is greater than a first threshold value or the operating parameters satisfy a preset condition, obtaining a reference time for the previous filter cleaning; and performing a corresponding filter cleaning operation based on the reference time.

[0009] In some embodiments, the apparatus comprises a processor and a memory having program commands stored therein, the processor being configured to perform the method described above when the program commands are executed.

[0010] In some embodiments, the air conditioner includes a rotatable filter, a cleaning assembly, and the device for cleaning the filter of the air conditioner, wherein the cleaning assembly includes a two-way water pump, a water storage tank, a water storage check valve, a cleaning check valve, and a cleaning nozzle, wherein the water storage check valve is configured to allow unidirectional flow of water through a pipe between a water collection inlet and the water storage tank, and the cleaning check valve is configured to allow unidirectional flow of water through a pipe between the water storage tank and the cleaning nozzle, and the two-way water pump can pump water from the water collection inlet to the water storage tank or from the water storage tank to the cleaning nozzle to clean the filter.

[0011] The method, device, and air conditioner for air conditioner filter cleaning provided by the embodiments of the present disclosure can achieve the following technical effects:

[0012] The air conditioner acquires the standby time length and operating parameters and uses the standby time length and operating parameters as trigger conditions for filter cleaning when the air conditioner is in standby and operating mode, respectively, thereby enabling timely filter cleaning and improving the effectiveness of filter cleaning. Furthermore, the air conditioner performs the corresponding filter cleaning operation based on the reference time of the previous filter cleaning, which avoids the problem of excessive energy consumption due to the short interval between the time the air conditioner performs filter cleaning when in standby mode and the time the air conditioner performs filter cleaning when in operation, thereby reducing the air conditioner's energy consumption for filter cleaning.

[0013] The general description above and the following description are exemplary and explanatory only and are not intended to limit the present application. [Brief explanation of the drawings]

[0014] One or more embodiments are illustratively described with reference to accompanying drawings, which illustrative descriptions and drawings are not intended to be limiting of the embodiments, in which elements having the same reference numerals in the drawings are designated as similar elements, and in which the drawings are not intended to be limiting to scale. [Figure 1] 1 is a schematic diagram showing a cross section of an apparatus for filter cleaning according to an embodiment of the present disclosure. [Figure 2] FIG. 10 is a schematic diagram showing a cross section of another apparatus for filter cleaning according to an embodiment of the present disclosure. [Figure 3] FIG. 2 is a partial enlarged schematic view of a cleaning nozzle according to an embodiment of the present disclosure. [Figure 4] FIG. 1 is a schematic diagram illustrating a method for air conditioner filter cleaning according to an embodiment of the present disclosure. [Figure 5] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 6] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 7] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 8] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 9] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 10] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 11]FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 12] FIG. 1 is a schematic diagram illustrating another method for cleaning an air conditioner filter according to an embodiment of the present disclosure. [Figure 13] 1 is a schematic diagram illustrating an apparatus for cleaning an air conditioner filter according to an embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0015] In order to more fully understand the features and technical contents of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. The accompanying drawings are for reference purposes only and are not intended to limit the embodiments of the present disclosure. In the following technical description, for ease of explanation, numerous details are described to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices may be shown in simplified form to simplify the drawings.

[0016] In the description and claims of the embodiments of the present disclosure, as well as in the above-described drawings, the terms "first," "second," etc. are used to distinguish between similar objects without being used to describe a particular order or priority. It should be understood that data so used are interchangeable where appropriate to describe the embodiments described in this disclosure. Furthermore, the terms "comprises" and "having," as well as variations thereof, are intended to cover a non-exclusive inclusion.

[0017] Unless otherwise specified, the term "plurality" means two or more.

[0018] In the embodiments of the present disclosure, the symbol " / " indicates that the preceding and following objects are in an "or" relationship, for example, A / B indicates A or B.

[0019] The term "and / or" describes an associative relationship between objects and means that a triple relationship can exist, for example, A and / or B represents a triple relationship with A or B, or A and B.

[0020] The term "corresponding" means an association or linking relationship, and when A and B correspond to each other, it means that there is an association or linking relationship between A and B.

[0021] 1, 2, and 3, an embodiment of the present disclosure discloses an air conditioner including a filter 1, a cleaning assembly, a heat exchanger 2, and a fan 3. The air conditioner uses the fan 3 to interact with indoor air and the heat exchanger 2 to exchange heat between the indoor air and outdoor air, thereby blowing out cool air or warm air for cooling or heating. Here, the fan 3 includes an axial fan 3 and a cross-flow fan 3, which are not specifically limited in this embodiment.

[0022] A rack 6 and a gear 7 are provided on both the upper and lower ends of the filter 1, and the rack 6 and the gear 7 are meshed together. By controlling the rotation of the gear 7, the filter 1 rotates along the central axis of the air conditioner. When the filter 1 needs to be cleaned, the cleaning assembly is started to wash the filter 1, and the gear 7 is controlled to rotate so that the filter 1 moves away from the air intake. When the filter 1 has rotated to its maximum angle, the gear 7 is controlled to rotate in the reverse direction so that the filter 1 is reset, i.e., the filter 1 completes one circular rotation.

[0023] The cleaning assembly includes a water storage tank 9, a bidirectional water pump 8, and a cleaning nozzle 10. The water storage tank 9 is for storing water and has a heating function. The cleaning nozzle 10 also has a heating function and is used to clean the filter 1. The bidirectional water pump 8 can pump water from the water storage tank 9 to the cleaning nozzle 10 to clean the filter 1, and can also suck condensed water into the water storage tank 9 through a water collection port 15 to store the water. Here, the water collection port 15 includes an indoor water collection port 151 for collecting condensed water generated in the indoor unit and an outdoor water collection port 152 for collecting condensed water generated in the outdoor unit.

[0024] The cleaning assembly also includes a filter 11, a water storage check valve 12, and a cleaning check valve 13. The filter 11 is provided at the water collection port 15 and the water inlet to filter out impurities from water or other cleaning liquids. The water storage check valve 12 is provided between the water storage tank 9 and the water collection port 15, and by allowing the piping from the water collection port 15 to the water storage tank 9 to flow in one direction, it prevents water or other cleaning liquids from flowing along the water collection port 15 into the air conditioner's indoor unit while the filter 1 is being cleaned. The cleaning check valve 13 is provided between the water storage tank 9 and the cleaning nozzle 10, and by allowing the piping between the water storage tank 9 and the cleaning nozzle 10 to flow in one direction, it prevents condensed water from flowing out of the cleaning nozzle 10 along the corresponding piping while the water storage tank 9 is collecting condensed water. The bidirectional water pump 8 can rotate forward to pump water from the water collection port 15 into the water storage tank 9 to increase the water volume, or rotate backward to pump water from the water storage tank 9 into the cleaning nozzle 10 to clean the filter 1. The cleaning nozzle 10 is a vertically arranged nozzle whose height range covers the entire height of the filter 1 and can spray a concentrated high-pressure water stream to clean the filter 1. It also has a heating function that generates high-temperature moist hot steam to clean and sterilize the filter 1.

[0025] The air conditioner is further provided with a water inlet for adding water or other liquids that can be used for cleaning to the water storage tank 9. The air conditioner is further provided with a first drain outlet 4 and a second drain outlet 5, through which dirty water after cleaning the filter 1 is drained, and through which surplus water after the water storage tank 9 reaches its upper limit is drained.

[0026] Optionally, as shown in relation to Fig. 3, the light transmittance detector 16 includes a light illuminator 161 and a light sensor 162 respectively provided on both sides of the filter 11. The light transmittance detector 16 is used to detect the light transmittance of the filter 11. One or more light transmittance detectors 16 may be provided, and the present disclosure is not particularly limited thereto.

[0027] Based on the configuration of the air conditioner described above, as shown in relation to FIG. 4, an embodiment of the present disclosure provides a method for filter cleaning of an air conditioner, which includes the following steps:

[0028] In S41, the air conditioner acquires the standby time length and the operating time length.

[0029] In S42, if the standby time length is greater than the first threshold value, or if the operating time length is greater than the second threshold value, the air conditioner acquires the reference time of the previous filter cleaning. In S43, the air conditioner performs the corresponding filter cleaning operation based on the reference time.

[0030] Here, the reference time is the time when the air conditioner last performed filter cleaning. If the standby time length of the air conditioner is greater than the first threshold and the filter cleaning operation is completed, the standby time length is recalculated. If the operating time length of the air conditioner is greater than the second threshold and the filter cleaning operation is completed, the operating time length is recalculated.

[0031] Using a method for cleaning a filter in an air conditioner provided by an embodiment of the present disclosure, the air conditioner acquires a standby time length and an operating time length. If the standby time length is greater than a first threshold, it indicates that the air conditioner has been in standby mode for a long time and has not been used for a long time, resulting in dust accumulation on the filter. If the operating time length is greater than a second threshold, it indicates that the air conditioner has been in operation for a long time and has been used for a long time, resulting in clogging of the filter. When the above two types of clogging occur, the air conditioner performs a corresponding filter cleaning operation based on the reference time of the previous filter cleaning. This allows the air conditioner to perform filter cleaning in a timely manner in both standby and operating modes, thereby improving the filter cleaning effect. Furthermore, by performing a corresponding filter cleaning operation based on the reference time of the previous filter cleaning, the interval between the time the air conditioner performs filter cleaning during standby and the time the air conditioner performs filter cleaning during operation is short, which prevents the air conditioner from performing filter cleaning frequently in a short period of time, thereby reducing the energy consumption required for filter cleaning.

[0032] Optionally, the air conditioner performing a corresponding filter cleaning operation based on a reference time includes the air conditioner performing a corresponding filter cleaning operation based on a time difference value when a time difference value between the reference time and the current time is equal to or greater than a first difference value threshold.

[0033] In this way, if the time difference between the reference time and the current time is equal to or greater than the first difference threshold, it indicates that the time when the air conditioner last performed filter cleaning is far from the current time. The air conditioner performs the corresponding filter cleaning operation based on the time difference. This avoids the problem of the air conditioner performing filter cleaning too frequently in a short period of time, which results in excessive energy consumption, when the time when the air conditioner performs filter cleaning while in standby mode and the time when the air conditioner performs filter cleaning while in operation are too close, thereby reducing the energy consumption required for air conditioner filter cleaning.

[0034] Optionally, the air conditioner performing the corresponding filter cleaning operation based on the time difference value includes the air conditioner determining a first circulation rotation number of the filter corresponding to the time difference value based on a first relationship, the air conditioner determining the first circulation rotation number as a target circulation rotation number when the time difference value is smaller than a second difference value threshold, the air conditioner determining the target circulation rotation number based on the first circulation rotation number and the circulation rotation number of the previous filter cleaning when the time difference value is equal to or greater than the second difference value threshold, and the air conditioner performing filter cleaning according to the target circulation rotation number.

[0035] In this way, the air conditioner determines the first circulation rotation count of the filter corresponding to the time difference value based on the first relationship, so that the number of circulation rotations of the filter is more closely matched to the time difference value. By adapting the filter cleaning time to the time difference value, the filter cleaning effect can be improved. When the time difference value is smaller than the second difference value threshold, the interval between the time of the previous filter cleaning and the current time is relatively short, so filter cleaning only needs to be performed the first circulation rotation count. When the time difference value is greater than or equal to the second difference value threshold, the interval between the time of the previous filter cleaning and the current time is relatively long, so the first circulation rotation count is compensated for by the circulation rotation count of the previous filter cleaning to determine the target circulation rotation count. The air conditioner performs filter cleaning according to the target circulation rotation count. By adapting the filter cleaning time length to the time difference value, the filter cleaning effect can be improved.

[0036] Optionally, determining a target number of circulation rotations based on the first number of circulation rotations and the number of circulation rotations of the previous filter cleaning may include determining a compensation number of circulation rotations corresponding to the number of circulation rotations of the previous filter cleaning based on a second relationship; and calculating a sum of the first number of circulation rotations and the compensation number of circulation rotations and determining this sum as the target number of circulation rotations, wherein the compensation number of circulation rotations is negatively correlated with the number of circulation rotations of the previous filter cleaning.

[0037] In this way, the air conditioner determines the compensatory circulation rotation number corresponding to the circulation rotation number of the previous filter cleaning based on the second relationship, thereby adapting the compensatory circulation rotation number to the number of times of the previous filter cleaning. The air conditioner calculates the sum of the first circulation rotation number and the compensatory circulation rotation number and determines this sum as the target circulation rotation number. The first circulation rotation number is compensated for by the compensatory circulation rotation number to determine the target circulation rotation number. The air conditioner performs filter cleaning according to the target circulation rotation number. The filter cleaning time length can be adapted using the time difference value, thereby improving the filter cleaning effect.

[0038] Optionally, the air conditioner performing filter cleaning according to the target number of circulation rotations includes controlling the air conditioner to activate a cleaning assembly and controlling the filter to rotate circulatingly according to the target number of circulation rotations.

[0039] In this way, the air conditioner activates the cleaning assembly to clean the filter, rotating it according to the target number of rotations, and the circular rotation of the filter allows the cleaning assembly to clean the filter thoroughly, improving the filter cleaning effect. Here, the air conditioner uses a stepping motor to drive a gear that engages with the rack, causing the filter to repeatedly rotate along the central axis of the air conditioner. When the filter reaches the farthest position, the stepping motor rotates in the reverse direction, at which point the cleaning assembly continues to clean the filter, completing one filter cleaning rotation until the stepping motor rotates in the reverse direction to reset the filter.

[0040] As shown in relation to FIG. 5, an embodiment of the present disclosure provides another method for cleaning an air conditioner filter, which includes the following steps.

[0041] In S41, the air conditioner acquires the standby time length and the operating time length.

[0042] In S42, if the standby time length is greater than the first threshold value, or if the operating time length is greater than the second threshold value, the air conditioner acquires the reference time of the previous filter cleaning.

[0043] In S43, the air conditioner performs the corresponding filter cleaning operation based on the reference time.

[0044] In S51, the air conditioner starts the condensed water collection function after a set time has elapsed since the air conditioner was turned on.

[0045] Here, when the air conditioner is performing a filter cleaning operation, the condensed water collection function is stopped.

[0046] In a method for cleaning a filter of an air conditioner provided according to an embodiment of the present invention, after a set time has elapsed since the air conditioner was turned on, condensed water is generated in the indoor unit for cooling in summer and in the outdoor unit for heating in winter. At this time, the air conditioner activates a condensed water collection function to store the condensed water generated by the air conditioner in a water storage tank, thereby saving water.

[0047] Optionally, activating the condensate collection function of the air conditioner includes controlling a bidirectional water pump to draw condensate from the water collection port into a water storage tank and store it therein.

[0048] In this way, the air conditioner controls the two-way water pump to absorb and store condensed water from the water inlet in the water storage tank, and rotates the two-way water pump in the forward direction to draw in condensed water from the water inlet, filter it through the filter, and collect the clean condensed water in the water storage tank. By installing a water storage check valve between the water storage tank and the water inlet, the piping from the water inlet to the water storage tank can be made to flow in one direction, preventing water or other cleaning liquids from flowing along the water inlet into the air conditioner's indoor unit during filter cleaning. This prevents the air conditioner from sucking in air when collecting condensed water.

[0049] As shown in connection with FIG. 6, another method for cleaning an air conditioner filter is provided, which includes the following steps.

[0050] In S41, the air conditioner acquires the standby time length and the operating time length.

[0051] In S42, if the standby time length is greater than the first threshold value, or if the operating time length is greater than the second threshold value, the air conditioner acquires the reference time of the previous filter cleaning.

[0052] In S43, the air conditioner performs the corresponding filter cleaning operation based on the reference time.

[0053] In S51, the air conditioner starts the condensed water collection function after a set time has elapsed since the air conditioner was turned on.

[0054] In S61, the air conditioner detects the amount of water in the water tank.

[0055] In S62, if the amount of water in the water tank is below the water amount threshold, the air conditioner prompts the user to fill up with water.

[0056] By using the method for cleaning the filter of an air conditioner provided by the embodiment of the present disclosure, when a user uses the air conditioner infrequently and the amount of collected condensed water is small, causing a shortage of water in the water tank, the air conditioner detects the amount of water in the water tank and prompts the user to add water if the amount of water in the water tank is below a water level threshold. In this way, the amount of water in the water tank can be kept sufficient, avoiding the problem of filter cleaning failure due to insufficient water in the water tank, and improving the efficiency of air conditioner filter cleaning.

[0057] As shown in relation to FIG. 7, an embodiment of the present disclosure provides another method for cleaning an air conditioner filter, which includes the following steps.

[0058] In S71, the air conditioner determines the first and second threshold values ​​based on the current season.

[0059] In S72, the air conditioner acquires the standby time length and the operating time length of the air conditioner.

[0060] In S73, if the standby time length is greater than the first threshold value, or if the operating time length is greater than the second threshold value, the air conditioner performs the corresponding filter cleaning operation based on the current state of the air conditioner and the reference time of the previous filter cleaning.

[0061] Here, the reference time is the time when the air conditioner last performed filter cleaning. If the standby time length of the air conditioner is greater than the first threshold and the filter cleaning operation is completed, the standby time length is recalculated. If the operating time length of the air conditioner is greater than the second threshold and the filter cleaning operation is completed, the operating time length is recalculated.

[0062] Using the method for filter cleaning in an air conditioner provided by an embodiment of the present invention, the air conditioner can perform filter cleaning in a timely manner both in standby mode and in operation, thereby improving the filter cleaning effect. Furthermore, by performing a corresponding filter cleaning operation based on the reference time of the previous filter cleaning, the problem of the air conditioner performing filter cleaning frequently in a short period of time due to the short interval between the time the air conditioner performs filter cleaning in standby mode and the time the air conditioner performs filter cleaning in operation can be avoided, thereby reducing the energy consumption required for filter cleaning in the air conditioner. Furthermore, the air conditioner determines first and second thresholds based on the current season, and uses the first and second thresholds determined based on the season as trigger conditions for filter cleaning in standby mode and operation, respectively. This allows filter cleaning to be adapted to the season, allowing filter cleaning to be initiated in a timely manner in any season, improving the filter cleaning effect.

[0063] Optionally, the air conditioner performing a corresponding filter cleaning operation based on the current state of the air conditioner and the reference time of the previous filter cleaning includes the air conditioner performing a corresponding filter cleaning operation based on the current state and the time difference value when the time difference value between the reference time and the current time is equal to or greater than a first difference value threshold. In this way, the problem of excessive energy consumption due to the air conditioner performing filter cleaning frequently in a short period of time because the interval between the time the air conditioner performs filter cleaning while in standby and the time the air conditioner performs filter cleaning while in operation is short can be avoided, and the energy consumption required for filter cleaning by the air conditioner can be reduced. Furthermore, by performing a corresponding filter cleaning operation according to the current state, the effectiveness of filter cleaning can be improved.

[0064] Optionally, the air conditioner performing a corresponding filter cleaning operation based on the current state and the time difference value includes the air conditioner determining a first circulation rotation number of the filter corresponding to the time difference value based on a first relationship, the air conditioner determining the first circulation rotation number as a target circulation rotation number when the time difference value is smaller than a second difference value threshold, the air conditioner determining the target circulation rotation number based on the first circulation rotation number and the circulation rotation number of the previous filter cleaning when the time difference value is equal to or greater than the second difference value threshold, and the air conditioner performing the corresponding filter cleaning operation based on the current state and the target circulation rotation number.

[0065] In this way, the air conditioner determines the first number of circulation rotations of the filter corresponding to the time difference value based on the first relationship, so that the number of circulation rotations of the filter is more closely matched to the time difference value. By adapting the filter cleaning time to the time difference value, the filter cleaning effect can be improved. When the time difference value is smaller than the second difference value threshold, the interval between the time of the previous filter cleaning and the current time is relatively short, so filter cleaning only needs to be performed the first number of circulation rotations. When the time difference value is greater than or equal to the second difference value threshold, the interval between the time of the previous filter cleaning and the current time is relatively long, so the first number of circulation rotations is compensated for by the number of circulation rotations of the previous filter cleaning to determine the target number of circulation rotations. The air conditioner performs the corresponding filter cleaning based on the current state and the target number of circulation rotations. By adapting the filter cleaning operation to the current state and the time difference value, the filter cleaning effect can be improved.

[0066] Optionally, determining a target number of circulation rotations based on the first number of circulation rotations and the number of circulation rotations of the previous filter cleaning may include determining a compensation number of circulation rotations corresponding to the number of circulation rotations of the previous filter cleaning based on a second relationship; and calculating a sum of the first number of circulation rotations and the compensation number of circulation rotations and determining this sum as the target number of circulation rotations, wherein the compensation number of circulation rotations is negatively correlated with the number of circulation rotations of the previous filter cleaning.

[0067] In this way, the air conditioner determines the compensatory circulation rotation number corresponding to the circulation rotation number of the previous filter cleaning based on the second relationship, thereby adapting the compensatory circulation rotation number to the number of times of the previous filter cleaning. The air conditioner calculates the sum of the first circulation rotation number and the compensatory circulation rotation number and determines this sum as the target circulation rotation number. The first circulation rotation number is compensated for by the compensatory circulation rotation number to determine the target circulation rotation number. The air conditioner performs filter cleaning according to the target circulation rotation number. The filter cleaning time length can be adapted using the time difference value, thereby improving the filter cleaning effect.

[0068] Optionally, the air conditioner performing a corresponding filter cleaning operation based on the current state and the target number of circulation rotations includes, when the current state is a standby state, controlling the air conditioner to start the cleaning assembly and controlling the filter to rotate circulatingly according to the target number of circulation rotations, and, when the current state is an operating state, increasing the operating frequency of the compressor to a set operating frequency, stopping the compressor and the fan after a first length of time has elapsed, controlling the cleaning assembly to start and controlling the filter to rotate circulatingly according to the target number of circulation rotations.

[0069] In this way, when the air conditioner is in standby mode, the cleaning assembly is directly activated to clean the filter. When the air conditioner is in operation, the compressor's operating frequency is first increased to the set operating frequency, and then the compressor and fan are stopped after a first period of time has elapsed. By operating the compressor at a high frequency and then stopping the compressor, the indoor temperature can be stabilized. In addition, by stopping the indoor fan, it is possible to prevent water from being blown into the room and affecting the indoor environment. By performing different filter cleaning operations according to the current state of the air conditioner, the filter cleaning effect and user experience can be improved.

[0070] Optionally, the air conditioner may further include detecting an outdoor ambient temperature before controlling the air conditioner to activate the cleaning assembly, and heating the water tank when the outdoor ambient temperature is lower than a temperature threshold. In this way, by adding the ambient temperature detection, heating the water tank when the air temperature is relatively low can prevent the water tank from freezing due to an excessive drop in the outdoor ambient temperature, which can affect the progress of filter cleaning and the lifespan of the water tank.

[0071] As shown in relation to FIG. 8, an embodiment of the present disclosure provides another method for cleaning an air conditioner filter, which includes the following steps.

[0072] In S81, the air conditioner detects the amount of water in the water tank.

[0073] In S82, if the amount of water in the water tank is below the water amount threshold, the air conditioner prompts the user to fill up with water.

[0074] In S71, the air conditioner determines the first and second threshold values ​​based on the current season.

[0075] In S72, the air conditioner acquires the standby time length and the operating time length of the air conditioner.

[0076] In S73, if the standby time length is greater than the first threshold value, or if the operating time length is greater than the second threshold value, the air conditioner performs the corresponding filter cleaning operation based on the current state of the air conditioner and the reference time of the previous filter cleaning.

[0077] By using the method for cleaning the filter of an air conditioner provided by the embodiment of the present disclosure, when a user uses the air conditioner infrequently and the amount of collected condensed water is small, causing a shortage of water in the water tank, the air conditioner detects the amount of water in the water tank and prompts the user to add water if the amount of water in the water tank is below a water level threshold. In this way, the amount of water in the water tank can be kept sufficient, avoiding the problem of filter cleaning failure due to insufficient water in the water tank, and improving the efficiency of air conditioner filter cleaning.

[0078] Optionally, determining the first threshold value and the second threshold value based on a current season by the air conditioner includes determining the first threshold value and the second threshold value corresponding to the season based on a preset correspondence relationship by the air conditioner;

[0079] Here, the first threshold value is greater than the second threshold value in the same season, the first threshold value in spring or winter is greater than the first threshold value in summer or autumn, and the second threshold value in spring or winter is greater than the second threshold value in summer or autumn.

[0080] In this way, the first and second thresholds corresponding to the seasons are determined based on the first relationship. The air conditioner determines the first and second thresholds based on the current season, and uses the first and second thresholds determined based on the first relationship as trigger conditions for filter cleaning when the air conditioner is in standby mode and in operation, respectively. This allows filter cleaning to be adapted to the season, filter cleaning to be activated at the appropriate time in any season, and the effectiveness of filter cleaning to be improved.

[0081] Alternatively, the air conditioner may activate the condensed water collection function after a set time has elapsed since the air conditioner was turned on. Here, the condensed water collection function is stopped when the air conditioner is performing a filter cleaning operation. Thus, after a set time has elapsed since the air conditioner was turned on, condensed water is generated in the indoor cooling unit in summer and in the outdoor heating unit in winter. At this time, the air conditioner activates the condensed water collection function, allowing the condensed water generated by the air conditioner to be stored in the water storage tank, thereby saving water.

[0082] As shown in relation to FIG. 9, an embodiment of the present disclosure provides another method for cleaning an air conditioner filter, which includes the following steps.

[0083] In S91, the air conditioner acquires the standby time length and the operating parameters for the air conditioner during operation.

[0084] In S92, if the standby time length is greater than the first threshold value or if the operating parameters satisfy a preset condition, the air conditioner acquires the reference time of the previous filter cleaning.

[0085] In S93, the air conditioner performs the corresponding filter cleaning operation based on the reference time. Here, the operating parameters include, but are not limited to, air outlet temperature, compressor operating frequency, system pressure, system current, and displacement.

[0086] Here, the reference time is the time when the air conditioner last performed filter cleaning. If the standby time length of the air conditioner is greater than the first threshold and the filter cleaning operation is completed, the standby time length is recalculated.

[0087] By using the method for filter cleaning of an air conditioner provided by an embodiment of the present invention, the air conditioner obtains the standby time length and operating parameters, and sets the standby time length and operating parameters as trigger conditions for filter cleaning when the air conditioner is in standby mode and when it is in operation, respectively, so that filter cleaning can be started in a timely manner and the filter cleaning effect can be improved.In addition, the air conditioner performs the corresponding filter cleaning operation based on the reference time of the previous filter cleaning, so that the interval between the time when the air conditioner performs filter cleaning when it is in standby mode and the time when it is in operation is short, which avoids the problem of the air conditioner performing filter cleaning frequently in a short period of time, resulting in excessive energy consumption, and reduces the energy consumption required for filter cleaning of the air conditioner.

[0088] Optionally, the preset condition includes that the absolute value of the difference between the operating parameter and the standard parameter is greater than an error threshold, or that the ratio of the difference between the operating parameter and the standard parameter to the standard parameter is greater than a ratio threshold. The preset condition is not limited to these two conditions and may be other conditions that indicate an error between the operating parameter and the standard parameter, such as that the absolute value of the difference between the operating parameter and the standard parameter is greater than the error threshold and continues for a second period of time, or that the ratio of the difference between the operating parameter and the standard parameter to the standard parameter is greater than the ratio threshold and continues for a second period of time. This allows the filter contamination level to be determined in a timely manner based on the operating parameters even when the error between the air conditioner's operating parameters and the standard parameters is relatively large. A filter cleaning function can be activated in a timely manner during the operation of the air conditioner.

[0089] Optionally, the air conditioner further includes: if the operating parameters satisfy a preset condition, after performing a corresponding filter cleaning operation based on a reference time, the air conditioner obtains new operating parameters after performing the filter cleaning operation; and if the new operating parameters satisfy the preset condition, the air conditioner sets the new operating parameters as standard parameters.

[0090] In this way, after the air conditioner performs the filter cleaning operation, it acquires new operating parameters after the filter cleaning operation. If the new operating parameters still satisfy the preset conditions, i.e., if the error between the new operating parameters and the standard parameters remains large even after the filter cleaning operation, it determines that the deviation of the new operating parameters from the standard parameters is due to other factors, such as voltage fluctuations or a lack of refrigerant. To avoid unnecessary filter cleaning operations being performed because the operating parameters are determined to satisfy the preset conditions due to the above problem, the air conditioner sets the new operating parameters as the standard parameters, thereby avoiding continuous excessive cleaning. If the new operating parameters do not satisfy the preset conditions, it continues normal operation.

[0091] Optionally, after the air conditioner sets the new operating parameters as standard parameters, the air conditioner may stop the filter cleaning operation for a set period of time. Setting the new operating parameters as standard parameters indicates that the deviation of the new operating parameters from the standard parameters may be due to other factors, such as voltage fluctuations or a lack of refrigerant. To avoid unnecessary filter cleaning operations being performed because the operating parameters are determined to satisfy the preset conditions during operation of the air conditioner, the air conditioner may stop the filter cleaning operation for a set period of time, thereby avoiding excessive and continuous cleaning. For example, the next time the air conditioner obtains the operating parameters and standby time length is 100 hours later, so the shortest interval between two filter cleanings is 100 hours.

[0092] Optionally, the air conditioner performs the corresponding filter cleaning operation based on the reference time, i.e., when the time difference between the reference time and the current time is equal to or greater than the first difference threshold, the air conditioner performs the corresponding filter cleaning operation based on the time difference value. In this way, the problem of excessive energy consumption due to the air conditioner performing filter cleaning frequently in a short period of time caused by the short interval between the time the air conditioner performs filter cleaning while in standby and the time the air conditioner performs filter cleaning while in operation can be avoided, and the energy consumption required for filter cleaning by the air conditioner can be reduced.

[0093] Alternatively, the air conditioner performing a corresponding filter cleaning operation based on the current state and the time difference value may include the air conditioner determining a first number of circulation rotations of the filter corresponding to the time difference value based on a first relationship, determining the first number of circulation rotations as a target number of circulation rotations when the time difference value is smaller than a second difference value threshold, and determining the target number of circulation rotations based on the first number of circulation rotations and the number of circulation rotations of the previous filter cleaning when the time difference value is equal to or greater than the second difference value threshold, and performing the corresponding filter cleaning operation based on the current state and the target number of circulation rotations. In this way, the target number of circulation rotations is determined by compensating the first number of circulation rotations with the number of circulation rotations of the previous filter cleaning. The air conditioner performs the corresponding filter cleaning operation based on the current state and the target number of circulation rotations. The filter cleaning time length can be more appropriately adapted to the current state and the time difference value, thereby improving the filter cleaning effect.

[0094] Alternatively, determining a target number of circulation rotations based on the first number of circulation rotations and the number of circulation rotations of the previous filter cleaning may include determining a compensation number of circulation rotations corresponding to the number of circulation rotations of the previous filter cleaning based on a second relationship, and calculating the sum of the first number of circulation rotations and the compensation number of circulation rotations and determining this sum as the target number of circulation rotations, where the compensation number of circulation rotations has a negative correlation with the number of circulation rotations of the previous filter cleaning. In this way, the air conditioner compensates for the first number of circulation rotations with the compensation number of circulation rotations and performs filter cleaning according to the compensated target number of circulation rotations, thereby making it possible to better match the length of filter cleaning time to the time difference value and improving the effect of filter cleaning.

[0095] Alternatively, the air conditioner may activate the condensed water collection function after a set time has elapsed since the air conditioner was turned on. Here, the condensed water collection function is stopped when the air conditioner is performing a filter cleaning operation. Thus, after a set time has elapsed since the air conditioner was turned on, condensed water is generated in the indoor cooling unit in summer and in the outdoor heating unit in winter. At this time, the air conditioner activates the condensed water collection function, allowing the condensed water generated by the air conditioner to be stored in the water storage tank, thereby saving water.

[0096] As shown in connection with FIG. 10, an embodiment of the present disclosure provides another method for cleaning an air conditioner filter, which includes the following steps.

[0097] In S91, the air conditioner acquires the standby time length and the operating parameters for the air conditioner during operation.

[0098] In S92, if the standby time length is greater than the first threshold value or if the operating parameters satisfy a preset condition, the air conditioner acquires the reference time of the previous filter cleaning.

[0099] In S93, the air conditioner performs the corresponding filter cleaning operation based on the reference time.

[0100] In S101, the air conditioner is in standby mode and heats and sterilizes the water tank at set intervals.

[0101] The method for cleaning the filter of an air conditioner provided by the embodiment of the present invention can achieve regular cleaning of the air conditioner by heating and sterilizing the water tank at set intervals, preventing bacterial growth and avoiding secondary contamination of the filter when the air conditioner performs filter cleaning operations. For example, the water tank can be heated for 10 minutes, followed by keeping it warm for 10 minutes to heat and sterilize the water tank, and this operation can be performed every 10 days.

[0102] Optionally, the method for cleaning the filter of an air conditioner includes prompting the user to add water when the amount of water in the water tank is below a water amount threshold. In this way, the amount of water in the water tank can be kept sufficient, avoiding the problem of filter cleaning failure due to insufficient water in the water tank, and improving the efficiency of air conditioner filter cleaning.

[0103] As shown in connection with FIG. 11, an embodiment of the present disclosure provides another method for cleaning an air conditioner filter.

[0104] In S111, the air conditioner determines a first threshold value based on the current season.

[0105] In S112, the air conditioner acquires the standby time length and the operating parameters for the air conditioner during operation.

[0106] In S113, if the standby time length is greater than the first threshold value or the operating parameters satisfy the preset conditions, the air conditioner performs the corresponding filter cleaning operation based on the season and the reference time of the previous filter cleaning.

[0107] Here, the operating parameters include, but are not limited to, air outlet temperature, compressor operating frequency, system pressure, system current, and displacement.

[0108] Here, the reference time is the time when the air conditioner last performed filter cleaning. If the standby time length of the air conditioner is greater than the first threshold and the filter cleaning operation is completed, the standby time length is recalculated.

[0109] Using the method for filter cleaning in an air conditioner provided by an embodiment of the present invention, the air conditioner obtains the standby time length and operating parameters, and uses the standby time length and operating parameters as trigger conditions for filter cleaning during standby and operation, respectively, to timely start filter cleaning and improve filter cleaning effectiveness. Furthermore, the air conditioner determines a first threshold value based on the current season and performs a corresponding filter cleaning operation based on the season and the reference time for the previous filter cleaning, thereby adapting filter cleaning to the current season and improving filter cleaning effectiveness. This avoids the problem of excessive energy consumption due to frequent filter cleaning in a short period of time caused by the short interval between the time the air conditioner performs filter cleaning during standby and the time the air conditioner performs filter cleaning during operation, thereby reducing the energy consumption required for air conditioner filter cleaning.

[0110] Optionally, the preset condition includes that the absolute value of the difference between the operating parameter and the standard parameter is greater than an error threshold, or that the ratio of the difference between the operating parameter and the standard parameter to the standard parameter is greater than a ratio threshold. The preset condition is not limited to these two conditions and may be other conditions that indicate an error between the operating parameter and the standard parameter, such as that the absolute value of the difference between the operating parameter and the standard parameter is greater than the error threshold and continues for a second period of time, or that the ratio of the difference between the operating parameter and the standard parameter to the standard parameter is greater than the ratio threshold and continues for a second period of time. This allows the filter contamination level to be determined in a timely manner based on the operating parameters even when the error between the air conditioner's operating parameters and the standard parameters is relatively large. A filter cleaning function can be activated in a timely manner during the operation of the air conditioner.

[0111] Optionally, the method further includes: when the operating parameters of the air conditioner satisfy the preset conditions, the air conditioner performs a corresponding filter cleaning operation based on the season and the reference time, and then the air conditioner obtains new operating parameters after performing the filter cleaning operation; and when the new operating parameters of the air conditioner satisfy the preset conditions, the air conditioner sets the new operating parameters as standard parameters.

[0112] In this way, after the air conditioner performs the filter cleaning operation, it acquires new operating parameters after the filter cleaning operation. If the new operating parameters still satisfy the preset conditions, i.e., if the error between the new operating parameters and the standard parameters remains large even after the filter cleaning operation, it determines that the deviation of the new operating parameters from the standard parameters is due to other factors, such as voltage fluctuations or a lack of refrigerant. To avoid unnecessary filter cleaning operations being performed because the operating parameters are determined to satisfy the preset conditions due to the above problem, the air conditioner sets the new operating parameters as the standard parameters, thereby avoiding continuous excessive cleaning. If the new operating parameters do not satisfy the preset conditions, it continues normal operation.

[0113] Optionally, after the air conditioner sets the new operating parameters as standard parameters, the air conditioner may stop the filter cleaning operation for a set period of time. Setting the new operating parameters as standard parameters indicates that the deviation of the new operating parameters from the standard parameters may be due to other factors, such as voltage fluctuations or a lack of refrigerant. To avoid unnecessary filter cleaning operations being performed because the operating parameters are determined to satisfy the preset conditions during operation of the air conditioner, the air conditioner may stop the filter cleaning operation for a set period of time, thereby avoiding excessive and continuous cleaning. For example, the next time the air conditioner obtains the operating parameters and standby time length is 100 hours later, so the shortest interval between two filter cleanings is 100 hours.

[0114] Optionally, the air conditioner may perform a corresponding filter cleaning operation based on the season and the reference time, i.e., the air conditioner performs the corresponding filter cleaning operation based on the season and the time difference value when the time difference value between the reference time and the current time is equal to or greater than a first difference value threshold. In this way, the short interval between the time when the air conditioner performs filter cleaning while in standby mode and the time when the air conditioner performs filter cleaning while in operation avoids the problem of excessive energy consumption due to the air conditioner performing filter cleaning frequently in a short period of time, thereby reducing the energy consumption required for air conditioner filter cleaning. Furthermore, performing a corresponding filter cleaning operation according to the current season improves the filter cleaning effect.

[0115] Optionally, the air conditioner performing a corresponding filter cleaning operation based on the season and the time difference value includes the air conditioner determining a first circulation rotation number of the filter corresponding to the time difference value based on a first relationship, determining the first circulation rotation number as a target circulation rotation number when the time difference value is smaller than a second difference value threshold, and determining the target circulation rotation number based on the first circulation rotation number and the circulation rotation number of the previous filter cleaning when the time difference value is equal to or greater than the second difference value threshold, and the air conditioner performing the corresponding filter cleaning operation based on the season and the target circulation rotation number.

[0116] In this way, the air conditioner determines the first number of filter circulation rotations corresponding to the time difference value based on the first relationship, so that the number of filter circulation rotations is more closely matched to the time difference value. By adapting the filter cleaning time to the time difference value, the filter cleaning effect can be improved. When the time difference value is smaller than the second difference value threshold, the interval between the time of the previous filter cleaning and the current time is relatively short, so filter cleaning only needs to be performed the first number of circulation rotations. When the time difference value is greater than or equal to the second difference value threshold, the interval between the time of the previous filter cleaning and the current time is relatively long, so the first number of circulation rotations is compensated for by the number of circulation rotations of the previous filter cleaning to determine the target number of circulation rotations. The air conditioner performs the corresponding filter cleaning based on the current season and the target number of circulation rotations. The filter cleaning operation can be more closely adapted to the current season and the time difference value, so the filter cleaning effect can be improved.

[0117] Alternatively, determining a target number of circulation rotations based on the first number of circulation rotations and the number of circulation rotations of the previous filter cleaning may include determining a compensation number of circulation rotations corresponding to the number of circulation rotations of the previous filter cleaning based on a second relationship, and calculating the sum of the first number of circulation rotations and the compensation number of circulation rotations and determining this sum as the target number of circulation rotations, where the compensation number of circulation rotations has a negative correlation with the number of circulation rotations of the previous filter cleaning. In this way, the air conditioner determines the target number of circulation rotations by compensating the first number of circulation rotations with the compensation number of circulation rotations. The air conditioner performs filter cleaning according to the target number of circulation rotations. The filter cleaning time length can be adapted based on the time difference value, thereby improving the filter cleaning effect.

[0118] Optionally, the air conditioner performing a corresponding filter cleaning operation based on the season and the target number of circulation rotations includes: when the air conditioner is in a standby state, the air conditioner controls the cleaning assembly to activate and controls the filter to circulate according to the target number of circulation rotations; and when the air conditioner is in an operating state, the air conditioner controls the water tank to heat, the compressor frequency and the fan rotation speed to adjust based on the season, activates the cleaning assembly, and controls the filter to circulate according to the target number of circulation rotations. In this way, the air conditioner can clean the filter using the cleaning assembly in the standby state, and control the water tank to heat, the compressor frequency, and the fan rotation speed to clean the filter according to the season in the operating state, thereby improving the filter cleaning effect.

[0119] Optionally, controlling the air conditioner to heat the water tank and adjust the compressor frequency and fan speed based on the season includes, when the season is spring or winter and the air conditioner is in a heating mode, controlling the compressor to operate at a first frequency and, after a set time has elapsed, reducing the compressor frequency to a second frequency and reducing the fan speed to the first speed, and heating the water tank. When the season is summer or autumn and the air conditioner is in a cooling mode, controlling the compressor to operate at the first frequency and, after a set time has elapsed, stopping the compressor and fan.

[0120] In this way, the filter cleaning operation is performed according to the season. For example, if it is spring or winter and the heating mode is selected, the water tank heating is started and the compressor is operated at the highest setting frequency for 10 minutes, stabilizing the indoor temperature and increasing the indoor humidity. The compressor is then operated at the lowest frequency and the indoor unit cross-flow fan is operated at the lowest rotation speed. If it is summer or autumn and the cooling mode is selected, the compressor is operated at the highest setting frequency for 10 minutes, stabilizing the indoor temperature. After that, the compressor, outdoor unit axial fan, and indoor unit cross-flow fan are stopped, stabilizing the indoor temperature. This seasonal operation stabilizes the indoor environment and improves the user experience.

[0121] Optionally, the method for cleaning the filter of an air conditioner includes prompting the user to add water when the amount of water in the water tank is below a water amount threshold. In this way, the amount of water in the water tank can be kept sufficient, avoiding the problem of filter cleaning failure due to insufficient water in the water tank, and improving the efficiency of air conditioner filter cleaning.

[0122] Optionally, determining the first threshold value based on the current season of the air conditioner may include determining the first threshold value corresponding to the season based on a preset correspondence relationship, where the first threshold values ​​for spring and winter are greater than the first threshold values ​​for summer and autumn. In this way, determining the first threshold value corresponding to the season based on the correspondence relationship, determining the first threshold value based on the current season of the air conditioner, and using the first threshold value determined based on the correspondence relationship as a trigger condition for filter cleaning during standby of the air conditioner makes it possible to adapt filter cleaning to the season, to activate filter cleaning timely in any season, and to improve the effectiveness of filter cleaning.

[0123] Alternatively, the air conditioner may activate the condensed water collection function after a set time has elapsed since the air conditioner was turned on. Here, the condensed water collection function is stopped when the air conditioner is performing a filter cleaning operation. Thus, after a set time has elapsed since the air conditioner was turned on, condensed water is generated in the indoor cooling unit in summer and in the outdoor heating unit in winter. At this time, the air conditioner activates the condensed water collection function, allowing the condensed water generated by the air conditioner to be stored in the water storage tank, thereby saving water.

[0124] As shown in connection with FIG. 12, an embodiment of the present disclosure provides a method for air conditioner filter cleaning, including the following steps.

[0125] In S121, the air conditioner acquires its own standby time length.

[0126] In S122, the air conditioner determines whether the standby time length is less than the standby time length threshold. If not, it executes S123. If yes, it executes S124.

[0127] In S123, the air conditioner detects the light transmittance of the filter.

[0128] In S124, the air conditioner sets the time of the last filter cleaning as the reference time.

[0129] In S125, the air conditioner determines whether the difference between the current time and the reference time is smaller than the difference threshold value. If not, execute S123. If yes, execute S124.

[0130] In S126, the air conditioner activates the cleaning assembly if the light transmittance is below the set threshold.

[0131] In S127, the air conditioner controls the filter to rotate circulatingly.

[0132] The method for cleaning an air conditioner filter provided by an embodiment of the present disclosure can reduce the increase in energy consumption caused by frequently detecting light transmittance. Taking into account the frequency of a user's use of the air conditioner, the air conditioner automatically detects the cleanliness of the filter once if the user has not used the air conditioner for a set period of time. For example, if the user has not turned on the air conditioner for 20 consecutive days, the air conditioner detects the cleanliness of the filter once. The standby filter cleaning of an air conditioner enables periodic cleaning and ensures the circulation and renewal of liquid in the liquid storage device. On the other hand, frequent use of the air conditioner inevitably leads to an increase in dust on the filter. Therefore, the filter cleanliness is detected once when the calculated cumulative operating time of the air conditioner reaches a difference threshold. For example, the air conditioner detects the cleanliness of the filter every time the cumulative operating time reaches 100 hours. In addition, the cumulative standby time periodic cleaning takes into account cases where the user occasionally turns on the air conditioner and then leaves it in standby for a long period of time. Since air quality varies depending on the region, if the light transmittance of the filter detected multiple times does not indicate the need for cleaning, the difference threshold can be increased accordingly. As a method of increasing the difference threshold, the cumulative air conditioner operating time from the time of the previous filter cleaning to the current filter cleaning may be set as the difference threshold, or the user may set it themselves.

[0133] Optionally, activating the cleaning assembly when the light transmittance of the air conditioner is below a set threshold may include controlling the water tank to operate in an automatic heating mode when the light transmittance is below the set threshold until a preheating condition is met, activating the cleaning nozzle when the preheating condition is met, and controlling the cleaning nozzle to operate in the automatic heating mode to raise the liquid temperature to the cleaning temperature. This improves the cleaning efficiency and cleanliness of filter cleaning. The presence of substances such as lubricants inside air conditioners makes it difficult to remove dirt adhering to filters. However, high-temperature cleaning can ease the difficulty of cleaning to some extent. The automatic heating function of the cleaning nozzle allows the filter to be cleaned by spraying high-temperature, high-pressure liquid in a concentrated manner, effectively improving the efficiency of filter cleaning. At the same time, the high-temperature moist steam generated by the high temperature can sterilize and disinfect the filter.

[0134] Optionally, if the difference between the current time and the reference time of the air conditioner is smaller than the difference threshold, the on-time length of the air conditioner is acquired. If the on-time length is equal to or greater than the liquid collection time length, the air conditioner starts and controls the water pump to collect condensed water generated by the air conditioner in the water storage tank. This allows the condensed water to be collected by the forward rotation of the water pump and used to clean the filter, thereby enabling secondary use of energy.

[0135] Optionally, controlling the filter to rotate circulatingly in the air conditioner may include determining a target number of rotations of the filter corresponding to the light transmittance, and controlling the filter to rotate circulatingly in accordance with the target number of rotations. In this way, the cleanliness of the filter can be improved. By detecting the light transmittance of the filter, the number of rotations required for the current cleaning can be determined, ensuring that the filter is cleaned to a desired cleanliness level after cleaning.

[0136] Optionally, after the filter cleaning process is completed, the air conditioner obtains the accumulated operating time of the air conditioner. When the accumulated operating time reaches the re-detection time, the air conditioner detects the new light transmittance of the filter. If the new light transmittance is greater than the set threshold, the air conditioner controls the air conditioner to operate normally. If the new light transmittance is less than the set threshold, the air conditioner sets the new light transmittance as the set threshold and notifies the user. In this way, the air conditioner can ensure the accuracy of the light transmittance test by blowing off any water adhering to the filter and drying it, and then re-testing the light transmittance of the filter.

[0137] Optionally, when the air conditioner is running, the ratio value between the water and the water tank capacity is periodically detected, and if the ratio value is equal to or less than the proportional threshold, the user is prompted to add water to the water tank, thereby ensuring that there is enough water in the water tank when the air conditioner starts the cleaning process.

[0138] As shown in relation to FIG. 13 , an embodiment of the present disclosure provides an apparatus for cleaning an air conditioner filter, the apparatus including a processor 100 and a memory 101. Optionally, the apparatus further includes a communication interface 102 and a bus 103. Here, the processor 100, the communication interface 102, and the memory 101 can communicate with each other through the bus 103. The communication interface 102 is used for information transmission. The processor 100 invokes a logical command in the memory 101 to execute the method for cleaning an air conditioner filter according to the embodiment described above.

[0139] Furthermore, the logic commands in the memory 101 described above may be implemented as software functional units and stored in a computer-readable storage medium when sold or used as an independent product.

[0140] The memory 101 is a computer-readable storage medium for storing software programs, computer-executable programs, such as program commands / modules corresponding to the methods of the embodiments of the present disclosure. The processor 100 executes the program commands / modules in the memory 101 to perform function applications and data processing, thereby realizing the method for air conditioner filter cleaning according to the above-mentioned embodiments.

[0141] The memory 101 includes a program area for storing an operating system, applications required for at least one function, and a data area for storing data such as data generated by use of the terminal device. Furthermore, the memory 101 may include high-speed random access memory or non-volatile memory.

[0142] An embodiment of the present disclosure provides an air conditioner, the air conditioner comprising a rotatable circulating filter, a cleaning assembly, and the above-mentioned device for cleaning the filter of the air conditioner, the cleaning assembly comprising a two-way water pump, a water storage tank, a water storage check valve, a cleaning check valve, and a cleaning nozzle, the water storage check valve for allowing unidirectional flow of water through a pipe between a water collection port and the water storage tank, the cleaning check valve for allowing unidirectional flow of water through a pipe between the water storage tank and the cleaning nozzle, and the two-way water pump for sucking water from the water collection port into the water storage tank or pumping water from the water storage tank to the cleaning nozzle to clean the filter.

[0143] An embodiment of the present disclosure provides a computer-readable storage medium storing computer-executable commands, the computer-executable commands configured to perform the method for air conditioner cleaning described above.

[0144] The above-mentioned computer-readable storage medium may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.

[0145] The solution according to the embodiment of the present disclosure may be embodied in the form of a software product. The software product is stored in a storage medium and includes one or more commands for causing a computer device (which may be a personal computer, a server, a network device, etc.) to execute all or part of the steps of the method described in the embodiment of the present disclosure. The storage medium may be a non-transitory storage medium, such as a USB memory, a removable hard disk, a ROM (Read-Only Memory), a RAM (Random Access Memory), a disk, a CD-ROM, or any other medium capable of storing program code, or may be a transitory storage medium.

[0146] The above description and accompanying drawings fully describe the embodiments of the present disclosure and enable those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other variations. The embodiments represent only possible variations. Individual components and functions are optional, and the order of operations may vary unless explicitly required. Components and features of some embodiments may be included in or substituted by components and features of other embodiments. Furthermore, the terms used herein are for the purpose of describing the embodiments and are not intended to limit the scope of the claims. As used in describing the embodiments and claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. Similarly, as used herein, the term "and / or" refers to any and all possible combinations of one or more of the associated listed items. Furthermore, as used herein, the term "comprise" and its variations, such as "comprises" and / or "comprising," refer to the presence of a stated feature, whole, step, operation, element, and / or assembly, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, assemblies, and / or groupings thereof. Furthermore, without limitation, an element defined by the phrase "comprising one or more..." does not exclude the presence of additional identical elements in a process, method, or apparatus that comprises the element. In this specification, each embodiment will be described with a focus on differences from other embodiments, and similarities between embodiments may be cross-referenced. Regarding methods, products, etc. disclosed in an embodiment, if they fall under the method section of the embodiment disclosure, such sections may be identified in the description of the method section.

[0147] Those skilled in the art will recognize that the various example units and algorithm steps described in connection with the embodiments disclosed herein can be implemented as electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software can depend on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementations should not be considered outside the scope of the embodiments of the present disclosure. For convenience and conciseness of description, it will be apparent to those skilled in the art that specific processes for the operation of the above-described systems, devices, and units may refer to corresponding processes in the preceding method embodiments and will not be repeated herein.

[0148] The methods and products (including, but not limited to, devices, apparatuses, etc.) disclosed in the embodiments disclosed herein may be implemented in other ways. For example, the device embodiments described above are merely schematic, and the division of units described may merely be a logical division of functions. In reality, the embodiments may be implemented in other ways. For example, multiple units or components may be combined or integrated into another system, or some functions may be ignored or not implemented. Units illustrated as separate components may or may not be physically separate, and components illustrated as units may or may not be physical units, i.e., they may be located in a single location or distributed across multiple network units. Some or all of these units may be selected according to the actual needs for implementing the embodiments. Furthermore, various functional units in the embodiments of the present disclosure may be integrated into a single processing unit, or individual units may exist physically separate, or two or more units may be integrated into a single unit.

[0149] The flowcharts and block diagrams in the accompanying drawings illustrate possible implementations of the architecture, functionality, and operation of systems, methods, and computer program products according to embodiments of the present disclosure. In this regard, each box in the flowcharts or block diagrams may represent a module, program segment, or portion of code, which includes one or more executable commands for performing a defined logical function. In some alternative implementations, the functions depicted in the boxes may occur in a different order than that depicted in the accompanying drawings. For example, depending on the functionality involved, two consecutive boxes may actually be executed substantially in parallel, or may be executed in reverse order. In descriptions corresponding to the flowcharts and block diagrams in the accompanying drawings, the operations or steps corresponding to different boxes may also be executed in a different order than that disclosed in the descriptions, and there may be no particular order between the different operations or steps. For example, depending on the functionality involved, two consecutive operations or steps may actually be executed substantially in parallel, or may be executed in reverse order. Each box in the block diagrams and / or flowcharts, and combinations of boxes in the block diagrams and / or flowcharts, may be implemented in a dedicated hardware-based system that performs the specified functions or operations, or may be implemented in a combination of dedicated hardware and computer commands. [Explanation of symbols]

[0150] 1 filter 2 Heat exchanger 3 Fans 4 First drain port 5 Second drain port 6 racks 7 Gear 8. Water pump 9. Water Tank 10 Cleaning nozzle 11 Filter 12 Water storage check valve 13 Cleaning check valve 15. Water collection outlet 151 Indoor water intake 152 Outdoor water collection port 16. Optical transmittance detector 161 Light irradiator 162 Light Sensor

Claims

1. 1. A method for cleaning a filter of an air conditioner having a circulating rotatable filter and a cleaning assembly for cleaning the filter, comprising: Obtaining a standby time length and operating parameters of the air conditioner during operation; If the waiting time length is greater than a first threshold, obtaining a reference time of the previous filter cleaning; and performing a corresponding filter cleaning operation based on the reference time; The reference time is the time when the air conditioner last performed filter cleaning, performing a corresponding filter cleaning operation based on the reference time; When a time difference value between the reference time and the current time is equal to or greater than a first difference value threshold, performing a corresponding filter cleaning operation based on the time difference value; performing a corresponding filter cleaning operation based on the time difference value; determining a first number of rotations of the filter corresponding to the time difference value based on a first relationship; When the time difference value is smaller than a second difference value threshold, the first number of circulation rotations is determined as a target number of circulation rotations, and when the time difference value is equal to or greater than the second difference value threshold, the target number of circulation rotations is determined based on the first number of circulation rotations and the number of circulation rotations in a previous filter cleaning; Performing filter cleaning according to the target number of circulation rotations. How to clean your air conditioner filter.

2. If the operating parameters satisfy a predetermined condition, acquiring a reference time of the previous filter cleaning; The preset conditions are: an absolute value of a difference value between the operating parameter and the standard parameter is greater than an error threshold value; 10. The method for cleaning an air conditioner filter according to claim 1.

3. If the operating parameters satisfy a preset condition, after performing a corresponding filter cleaning operation based on the reference time, the method for filter cleaning of the air conditioner includes: Obtaining new operating parameters after a filter cleaning operation has been performed; If the new operating parameters satisfy the predetermined conditions, setting the new operating parameters as the standard parameters.

3. The method for cleaning an air conditioner filter according to claim 2.

4. Determining the target number of circulation rotations based on the first number of circulation rotations and the number of circulation rotations of the previous filter cleaning, determining a compensation circulation rotation number corresponding to the circulation rotation number of the previous filter cleaning based on a second relationship; calculating a sum of the first circulation rotation number and the compensation circulation rotation number, and determining the sum as the target circulation rotation number; wherein the compensation circulation rotation number is negatively correlated with the circulation rotation number of the previous filter cleaning.

10. The method for cleaning an air conditioner filter according to claim 1.

5. The method for cleaning the filter of the air conditioner comprises: The method further includes activating a condensed water collection function after a set time has elapsed since the air conditioner was turned on; wherein the condensed water collection function is stopped when the air conditioner is performing the filter cleaning operation.

10. The method for cleaning an air conditioner filter according to claim 1.

6. the cleaning assembly includes a heatable water reservoir; The method for cleaning the filter of the air conditioner comprises: In a standby state, the water storage tank is heat sterilized at set intervals.

10. The method for cleaning an air conditioner filter according to claim 1.

7. a processor and a memory having program commands stored therein, the processor being configured to execute the method for air conditioner filter cleaning according to any one of claims 1 to 6 when the program commands are executed. Device for cleaning air conditioner filters.

8. A circulating and rotatable filter; a cleaning assembly including a bidirectional water pump, a heatable water storage tank, a cleaning nozzle, a water storage check valve for allowing unidirectional flow of piping from a water collection port to the water storage tank, and a cleaning check valve for allowing unidirectional flow of piping between the water storage tank and the cleaning nozzle, wherein the bidirectional water pump can rotate forward to pump water from the water collection port to the water storage tank or rotate backward to pump water from the water storage tank to the cleaning nozzle so as to clean the filter; and the device for cleaning an air conditioner filter according to claim 7. Air conditioning.

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