Air conditioner self-cleaning system, method, device, air conditioner and computer-readable storage medium

Abstract

The present invention provides an air-conditioning self-cleaning system, method, device, air conditioner and computer-readable storage medium. The air-conditioning self-cleaning system includes a water collection component, a water storage component and a cleaning component connected in sequence, and also includes a first control valve and a drain outlet. The inlet end of the first control valve is connected to the water collection component, and the outlet end of the first control valve is connected to the water storage component and the drain outlet respectively. The state of the first control valve is switched to realize water collection, cleaning and drainage of the air conditioner.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to an air conditioning self-cleaning system, method, device, air conditioner and computer-readable storage medium. Background Art

[0002] An air conditioner is a device used to adjust the indoor temperature. During the temperature adjustment process, the indoor and outdoor air are usually exchanged. Due to long-term gas exchange, the evaporator and crossflow blades inside the air conditioner are prone to accumulate dust and impurities, which can easily deteriorate the temperature adjustment effect of the air conditioner and affect the user experience.

[0003] At present, it is usually necessary for professionals to disassemble the machine before cleaning the evaporator and crossflow impellers, which is cumbersome and inefficient. Although the existing easy-to-disassemble and wash air conditioners have made great improvements in disassembly and assembly, allowing users to disassemble and wash the internal parts by themselves, it is still difficult for non-professionals to disassemble and assemble, and it is very easy to cause damage to parts or flow paths during the disassembly and washing process. Summary of the invention

[0004] The problem solved by the present invention is that in the prior art, cleaning of the evaporator and the crossflow fan blades inside the air conditioner usually requires disassembly of the machine, which is cumbersome.

[0005] In order to solve the above problems, the evaporator and / or cross-flow fan blades inside the air conditioner are automatically cleaned by using air conditioner condensation water or defrost water, so as to realize the air conditioner collecting water, spraying water and draining water in one, and the whole process does not need to be disassembled. The present invention provides an air conditioner self-cleaning system, the air conditioner includes an indoor unit and an outdoor unit, the air conditioner self-cleaning system includes a water collection component, a water storage component and a cleaning component connected in sequence, and also includes a first control valve and a drain port, the inlet end of the first control valve is connected to the water collection component, and the outlet end of the first control valve is connected to the water storage component and the drain port respectively, and the state of the first control valve is switched to realize the water collection, cleaning and drainage of the air conditioner. This setting can recycle condensation water and defrost water to clean the evaporator, and can also be manually cleaned by adding water. The whole process is fully automatic without disassembly, which improves customer satisfaction. Preferably, the first control valve is a two-position four-way valve. The water collection, internal machine cleaning and drainage functions are realized by switching the state of the first control valve. The first control valve can also be composed of a plurality of valves that can realize switching between multiple pipelines in series and parallel combination.

[0006] Furthermore, the air conditioner self-cleaning system also includes a second control valve disposed between the water storage assembly and the drain outlet, the second control valve being connected to the upper portion of the water storage assembly through a second water delivery pipe; and being connected to the lower portion of the water storage assembly through a third water delivery pipe, and realizing different drainage modes of the water storage assembly by switching the state of the second control valve. Preferably, the second control valve is a two-position three-way valve, and the automatic cleaning and drainage of the water storage assembly can be realized by switching the state of the second control valve. The second control valve can also be composed of a plurality of valves connected in series and parallel.

[0007] Furthermore, a one-way third control valve is provided between the second control valve and the drain outlet, which can prevent the cleaning wastewater from flowing back into the water storage assembly through the first control valve to the drain outlet, thereby ensuring that the water in the water storage assembly is clean and not contaminated.

[0008] Furthermore, the water collection assembly includes a first water collection tank located at the bottom of the evaporator of the indoor unit, and the first water collection tank is connected to the first control valve through a first water collection pipe. This arrangement can collect condensed water generated by the indoor unit or discharge cleaning waste water.

[0009] Furthermore, the water collection assembly further includes a second water collection tank located at the bottom of the condenser of the outdoor unit, and the second water collection tank is connected to the first control valve through a second water collection pipe. This arrangement can collect and utilize the defrost water generated by the outdoor unit, can fully utilize the water generated during the operation of the air conditioner, save energy and reduce emissions, increase the source of cleaning water, and avoid frequent water addition.

[0010] Furthermore, the water storage component is a water tank, which is arranged between the heat exchanger and the fan of the outdoor unit, and is connected to the first control valve through a third water collecting pipe. This arrangement can make full use of the internal space of the outdoor unit, with structural improvement and minor changes. The water collection component can also be a compressor water tank, which is an annular cavity arranged around the compressor, and can realize water collection and compressor cooling in one, ensuring stable operation of the air conditioner. Preferably, a purification device is provided in the water tank, which can kill bacteria in the water, prevent the water in the water tank from deteriorating, and ensure the safety and sterility of the water source. The purification device is a prior art and will not be described in detail here.

[0011] Furthermore, a water inlet is provided on the top of the water storage tank. When the collected water is not enough for washing, water can be manually added to the water storage tank, and then the self-cleaning mode is executed.

[0012] Furthermore, a water level detection component is provided on the inner wall surface of the water tank to detect the liquid level in the water tank at all times.

[0013] Furthermore, the cleaning assembly includes a water pump installed on the fourth water delivery pipe, and at least one nozzle installed at one end of the fourth water delivery pipe away from the water collection assembly. Preferably, the nozzle is located at the inlet side of the crossflow fan blade of the indoor unit. This arrangement allows the cleaning water to be sprayed on the crossflow fan blade and driven to the surface of the evaporator by the rotation of the crossflow fan blade and the airflow for cleaning.

[0014] Compared with the prior art, the air conditioner self-cleaning system described in the present invention has the following advantages: (1) The water in the water circulation system is composed of condensed water from the indoor unit and defrost water from the outdoor unit, ensuring sufficient water supply and basically achieving self-sufficiency in cleaning water; at the same time, a water inlet is provided, so that when the water supply is insufficient, water can be added manually for self-cleaning; (2) The air conditioner self-cleaning system described in the present application has a simple structure, a simple and reliable implementation method, low cost, and good economic benefits; (3) The entire process is fully automatic and does not require disassembly of the machine, thereby improving customer satisfaction.

[0015] The present invention also provides a control method for an air conditioner self-cleaning system, which is applied to the above-mentioned air conditioner self-cleaning system and comprises the following steps:

[0016] S1. Start the machine and the collected condensed water or defrost water enters the water storage component.

[0017] S2. Determine the liquid level height H of the water storage component 液 Is it greater than the first preset height H 预1 If yes, the system issues a self-cleaning prompt; if no, it returns to step S1;

[0018] S3, determine whether the user issues an internal machine self-cleaning instruction, if yes, start the water pump to perform internal machine self-cleaning; if no, drain the water in the water storage assembly to a second preset height H 预2 .

[0019] Furthermore, the step S1 includes:

[0020] S11, start the air conditioner and determine whether it has received a command to enter the water storage mode; if so, proceed to step S12; if not, proceed to steps S12 and S13;

[0021] S12, adjusting the first control valve so that the first water collecting pipe and the second water collecting pipe are connected to the third water collecting pipe respectively, and the condensed water or defrost water collected by the water collecting assembly enters the water storage assembly.

[0022] S13, open the third control valve (8) and switch the second control valve (7), the water storage component (2) is connected to the drain outlet (9) through the third water pipe (106), and the water collected by the water collection component (1) is discharged directly to the drain outlet (9) through the water storage component (2).

[0023] Furthermore, the step S3 includes:

[0024] S31, determining whether the user issues an internal machine self-cleaning instruction within a preset time t, if so, proceeding to step S32, if not, proceeding to step S33;

[0025] S32, disconnect the third control valve, adjust the first control valve to connect the first water collecting pipe with the first water delivery pipe, connect the second water collecting pipe with the third water collecting pipe, and start the water pump to perform self-cleaning of the internal machine.

[0026] S33, open the third control valve and adjust the second control valve, the water in the water storage assembly is discharged to the second preset height H through the second water pipe 105 to the drain outlet 预2 .

[0027] Furthermore, step S32 also includes: the water level detection component detects the liquid level height H of the water storage component 液 , judge H 液 Is it greater than the third preset height H 预3 If yes, proceed to step S32; if no, prompt to add water manually.

[0028] Compared with the prior art, the control method of the air conditioner self-cleaning system of the present invention has the following advantages: (1) The control method integrates the functions of air conditioning water collection, water storage component self-cleaning, internal unit self-cleaning, drainage, etc., and provides a good user experience; (2) Self-cleaning prompts or automatic drainage are performed according to the water level, thereby improving the intelligent and humanized characteristics of the air conditioner itself; (3) The required hardware facilities are simple and the cost is low.

[0029] The present invention also provides a self-cleaning system control device for an air conditioner, comprising:

[0030] The detection unit includes a water level detection component for detecting the current liquid level height H of the water storage component. 液 ;

[0031] A calculation unit, the calculation unit is used to calculate the liquid level height H 液 The relationship between the size and the preset height;

[0032] The control unit is electrically connected to at least the water pump, the first control valve, the second control valve and the third control valve, and is used to control water collection, cleaning and drainage according to the relationship between the liquid level height and the preset height and user instructions.

[0033] An air conditioner is also provided, comprising a computer-readable storage medium storing a computer program and a processor, wherein the computer program is read and executed by the processor to implement the above control method.

[0034] A computer-readable storage medium is also provided, wherein the computer-readable storage medium stores a computer program, and when the computer program is read and executed by a processor, the control method described above is implemented. The control method of the air conditioner and the self-cleaning system have the same advantages over the prior art, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the structure of the air conditioner self-cleaning system according to an embodiment of the present invention;

[0036] Figure 2 It is a structural schematic diagram of the air conditioner according to an embodiment of the present invention;

[0037] Figure 3 A flow chart of a control method of an air conditioner self-cleaning system according to an embodiment of the present invention;

[0038] Figure 4 Another flow chart of the control method of the air conditioner self-cleaning system according to the embodiment of the present invention;

[0039] Figure 5 This is another flow chart of the control method of the air conditioner self-cleaning system according to an embodiment of the present invention.

[0040] Description of reference numerals:

[0041] Water collecting component-1; first water collecting tank-11; second water collecting tank-12; water storage component-2; water storage tank-21; water filling port-211; water level detection component-212; cleaning component-3; water pump-31; nozzle-32; indoor unit-4, outdoor unit-5; first control valve-6; second control valve-7; third control valve-8; drain outlet-9; waste liquid collection box-10; first water collecting pipe-101; second water collecting pipe-102; third water collecting pipe-103; first water supply pipe-104; second water supply pipe-105; third water supply pipe-106; fourth water supply pipe-107. DETAILED DESCRIPTION

[0042] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0043] Example 1

[0044] like Figure 1 , Figure 2As shown, an air conditioner self-cleaning system includes a water collection component 1, a water storage component 2, a cleaning component 3, a first control valve 6 and a drain 9. The inlet end of the first control valve 6 is connected to the water collection component 1, and the outlet end of the first control valve 6 is connected to the water storage component 2 through the third water collection pipe 103. Its outlet end is also connected to the drain 9 through the first water delivery pipe 104. The water storage component 2 is connected to the cleaning component 3. The state switching of the first control valve 6 is used to realize the water collection, cleaning and drainage of the air conditioner. This setting can recycle condensation water and defrost water to clean the evaporator, and can also be manually added with water for cleaning. The whole process is fully automatic without disassembly, which improves customer satisfaction. As an example of the present invention, the first control valve 6 is a two-position four-way valve, which can control the connection and disconnection of the water collection component 1 and the third water collection pipe 103 and the first water delivery pipe 104. The state switching of the first control valve 6 realizes the functions of water collection, internal machine cleaning and drainage. As an example of the present invention, a waste liquid collection box 10 is provided below the drain 9 for collecting and temporarily storing the waste liquid generated by cleaning.

[0045] As another example of the present invention, the air conditioner self-cleaning system further includes a second control valve 7 disposed between the water storage assembly 2 and the drain outlet 9, the second control valve 7 is connected to the upper part of the water storage assembly 2 through a second water pipe 105, and the height of the end of the second water pipe 105 connected to the water storage assembly 2 from the bottom of the water storage assembly 2 is less than or equal to the first preset height H 预1 ; It is connected to the lower part of the water storage component 2 through the third water pipe 106. Preferably, the second control valve 7 is a two-position three-way valve, which controls the connection and disconnection of the second water pipe 105, the third water pipe 106 and the drain port 9, and the self-cleaning and / or system drainage of the water storage component 2 are achieved by switching the second control valve 7. As an example of the present invention, a one-way third control valve 8 is also provided between the second control valve 7 and the drain port 9. This setting can prevent the cleaning wastewater from flowing back into the water storage component 2 through the first control valve 6 to the drain port 9 during cleaning, thereby ensuring that the water in the water storage component 2 is clean and not contaminated.

[0046] The water collection component 1 includes a first water collection tank 11 located at the bottom of the evaporator of the indoor unit 4, and the first water collection tank 11 is connected to the first control valve 6 through a first water collection pipe 101. This setting can collect condensed water generated by the indoor unit 4 or discharge cleaning waste water. Preferably, the water collection component 1 also includes a second water collection tank 12 located at the bottom of the condenser of the outdoor unit 5, and the second water collection tank 12 is connected to the first control valve 6 through a second water collection pipe 102. This setting can collect and utilize the defrost water generated by the outdoor unit 5, and can make full use of the water generated during the operation of the air conditioner, save energy and reduce emissions, increase the source of cleaning water, and avoid frequent water addition. The water storage component 2 is a water storage tank 21, which is arranged between the heat exchanger and the fan of the outdoor unit 5, and the water storage tank 21 is connected to the first control valve 6 through a third water collection pipe 103. This setting can make full use of the internal space of the outdoor unit 5, and the structure is improved with minor changes. As another example of the present invention, the water collection component can also be a compressor water tank, which is an annular cavity arranged around the compressor, which can realize water collection and compressor cooling in one, ensuring stable operation of the air conditioner. Preferably, a purification device is provided in the water tank 21, such as an ozone generator or a multi-stage filter element device formed by fibers, granular activated carbon, etc., which can kill and remove bacteria in the water, avoid the deterioration of the water in the water tank 21, and ensure the safety and sterility of the water source. Preferably, a water inlet 211 is provided on the top of the water tank 21. When the collected water is not enough for cleaning, water can be manually added to the water tank 21 through the water inlet 211, and then the self-cleaning mode is executed. The water tank 21 is also provided with a water level detection component 212 electrically connected to the control unit. Preferably, the water level detection component 212 is located on the inner side wall of the water tank 21, and the liquid level height in the water tank 21 can be detected at any time. The cleaning component 3 includes a water pump 31 installed on the fourth water pipe 107, and at least one nozzle 32 installed at one end of the fourth water pipe 107 away from the water collection component 1. The water pump 31 is electrically connected to the control unit, and automatically controls the start and stop of the water pump 31 according to the liquid level height monitored by the water level detection component 212 and the user's instruction. As an example of the present invention, the nozzle 32 is located on the inlet side of the crossflow fan blade of the indoor unit 4. This setting allows the cleaning water to be sprayed on the crossflow fan blade, and driven to the surface of the evaporator with the rotation of the crossflow fan blade and the airflow for cleaning. As another example of the present invention, the nozzle 32 is located at the top of the evaporator of the indoor unit 4, and the cleaning is completed by spraying the cleaning water on the top of the evaporator and automatically flowing downward under the action of gravity. Preferably, the nozzle 32 is a high-pressure fine mist nozzle, so that the generated droplets cover a wider range to meet the cleaning requirements.

[0047] The present invention also provides an air conditioner, comprising the air conditioning water circulation system. The advantages of the air conditioner and the water circulation system over the prior art are the same, which will not be described in detail here.

[0048] Under normal conditions, the condensation water produced by the indoor unit 4 or the defrost water produced by the outdoor unit 5 is collected and stored in the water tank 21. At this time, the first control valve 6 is in the right state, CD is connected to E, and the F port is closed, so that the first water collecting pipe 101, the second water collecting pipe 102 and the third water collecting pipe 103 are connected, and the condensation water of the indoor unit 4 flows to the water tank 21 through the first water collecting pipe 101 and the third water collecting pipe 103; the defrost water of the outdoor unit 5 flows to the water tank 21 through the second water collecting pipe 102 and the third water collecting pipe 103 in turn; the second control valve 7 is in the upper state, that is, H is connected to I, and the K port is closed. The water tank 21 is connected to the drain port 9 through the second water delivery pipe 105, and the third water delivery pipe 106 is disconnected from the drain port 9, the water pump 31 is turned off, and the water is not discharged. When the liquid level in the water tank 21 is H 液 When reaching the G point, that is, H 液 ≥H 预1 A sensor is provided at point G. When the water level reaches this point, a self-cleaning request is issued. The height of point G from the bottom of the water tank 21 is less than or equal to a first preset height H 预1 When the user refuses self-cleaning, after opening the third control valve 8, the 预2 The water is directly discharged from the second water pipe 105 to the drain port 9. At this time, the water pump 31 is still closed and the water is automatically discharged. When the user selects self-cleaning, the self-cleaning program is executed, and the second control valve 7 is turned to the following state, that is, K is connected to I, H is closed, the third water pipe 106 is connected to the drain port 9, the second water pipe 105 is disconnected, and the third control valve 8 is kept closed, and water cannot flow out from the second water pipe 105. Turn on the water pump 31, and the water is pressurized and sent to the nozzle 32 to spray out to clean the inside of the air conditioner. Turn the first control valve 6 to the left state, the first water collecting pipe 101 is connected to the first water pipe 104, the second water collecting pipe 102 is connected to the third water collecting pipe 103, and the dirty water generated by cleaning is discharged from the first water collecting pipe 101 and the first water pipe 104 to the drain port 9, and the water generated by the outdoor unit 5 can be stored normally. The system is also provided with a water inlet 211. When the water level is low, water can also be manually added to the water storage tank 21 to perform the self-cleaning program. If water storage is not needed, the first water collecting pipe 101 and the second water collecting pipe 102 are respectively connected to the first water delivery pipe 104, and the third water collecting pipe 103 is disconnected, and the water generated by the air conditioner can be directly discharged. If the water storage tank 21 is to be cleaned, the second control valve 7 is further connected, and the third control valve 8 is opened, and the water is discharged through the third water delivery pipe 106 and the second control valve 7 to the drain port 9.

[0049] Example 2

[0050] like Figure 3 , Figure 4 , Figure 5 As shown, the present invention provides a control method for an air conditioner self-cleaning system, which is applied to the above air conditioner self-cleaning system and includes the following steps:

[0051] S1. The air conditioner is turned on and the collected condensed water or defrosted water enters the water storage assembly 2. In cooling mode, the condensed water generated by the indoor unit 4 is collected into the water storage tank 21 through the first water collection tank 11; in heating mode, the defrosted water generated by the outdoor unit 5 is collected into the water storage tank 21 through the second water collection tank 12, which can make full use of the water generated during the operation of the air conditioner, save energy and reduce emissions, increase the source of cleaning water, and avoid frequent water addition.

[0052] Preferably, the step S1 includes: S11, start the operation, the air conditioner determines whether it has received the instruction to enter the water storage mode; if so, proceed to step S12; if not, proceed to steps S12 and S13; S12, switch the first control valve 6, that is, C, D and E are connected, F is closed, so that the first water collecting pipe 101 and the second water collecting pipe 102 are respectively connected to the third water collecting pipe 103, and the condensed water or defrosted water collected by the water collecting component 1 enters the water storage component 2. S13, switch the second control valve 7, that is, K and I are connected, H is disconnected, so that the water storage component 2 is connected to the drain port 9 through the third water delivery pipe 106, and open the third control valve 8, the water collected by the water collecting component 1 is directly discharged to the drain port 9 through the water storage component 2, and the condensed water is directly discharged after passing through the water storage component 2, and the water storage component 2 can be cleaned. Setting the water storage mode and drainage mode according to the specific scene is more humane.

[0053] S2. Determine the liquid level height H of the water storage component 2 液 Is it greater than the first preset height H 预1 If yes, the system issues a self-cleaning prompt; if no, it returns to step S1; the water level detection component 212 constantly detects the liquid level height H in the water storage component 2 液 , and transmit the data to the calculation unit, which will calculate the liquid level height H 液 The data is transmitted to the control unit, and the control unit responds according to the result. Preferably, the first preset height H 预1 It is 2 / 3-3 / 4 of the height of water storage tank 21.

[0054] S3, determine whether the user issues an internal machine self-cleaning instruction, if yes, start the water pump 31 to perform internal machine self-cleaning; if no, drain the water in the water storage assembly 2 to a second preset height H 预2 , where H 预2 Less than H 预1 . Respond according to the user's instructions. If the user has no instructions, drainage is performed by default. Preferably, the second preset height H 预2 It is 1 / 3-1 / 2 of the height of water storage tank 21.

[0055] Specifically, the step S3 includes: S31, judging whether the user issues a self-cleaning instruction for the indoor unit within a preset time t, if yes, proceeding to step S32, if not, proceeding to step S33; S32, disconnecting the third control valve 8, adjusting the first control valve 6, that is, connecting C with F, D with E, so that the first water collecting pipe 101 is connected to the first water delivery pipe 104, the second water collecting pipe 102 is connected to the third water collecting pipe 103, and starting the water pump 31 to perform self-cleaning of the indoor unit. The waste water generated by cleaning is discharged to the drain port 9 through the first water collecting tank 11, the first water collecting pipe 101, the first control valve 6, the first water delivery pipe 104; at the same time, if the heating mode is operated, the defrost water generated by the outdoor unit 5 enters the water storage tank 21 after passing through the second water collecting tank 12, the second water collecting pipe 102, the first control valve 6, and the third water collecting pipe 103; the two can be performed simultaneously without interfering with each other. S33, adjust the second control valve 7, that is, H is connected to I and K is disconnected, open the third control valve 8 to allow the water in the water storage assembly 2 to be discharged to the second preset height H through the second water pipe 105 to the drain port 9. 预2 The preset time t starts from when the system issues a self-cleaning reminder, and t can be 1 minute, 3 minutes, 5 minutes, etc.

[0056] As an example, step S32 further includes: the water level detection component 212 detects the liquid level height H of the water storage component 2 液 , judge H 液 Is it greater than the third preset height H 预3 If yes, proceed to step S32; if no, prompt to manually add water. The third preset height H 预 3 is less than the first preset height H 预1 , the third preset height H 预3 Can be greater than, less than, or equal to the second preset height H 预2 .

[0057] Preferably, the control method also includes step S4, determining whether the user issues a self-cleaning request for the water storage component 2. If so, switching the second control valve 7, i.e., K is connected to I and H is disconnected, so that the water storage component 2 is connected to the drain outlet 9 through the third water pipe 106, and the third control valve 8 is opened, and the water collected by the water collection component 1 is discharged directly to the drain outlet 9 through the water storage component 2; if not, returning to step S33.

[0058] The present invention also provides a self-cleaning system control device for an air conditioner, comprising:

[0059] The detection unit includes a water level detection component 212, which is used to detect the current liquid level height H of the water storage component 2. 液 ;

[0060] A calculation unit, the calculation unit is used to calculate the liquid level height H 液 The relationship between the size and the preset height;

[0061] The control unit is electrically connected to at least the water pump 31, the first control valve 6, the second control valve 7, and the third control valve 8, and is used to control water collection, cleaning, and drainage according to the relationship between the liquid level height and the preset height and user instructions.

[0062] An air conditioner comprises a computer-readable storage medium storing a computer program and a processor. When the computer program is read and executed by the processor, the control method mentioned above is implemented.

[0063] A computer-readable storage medium stores a computer program, and when the computer program is read and executed by a processor, the control method described above is implemented. The control method of the air conditioner and the self-cleaning system have the same advantages over the prior art, which will not be described in detail here.

[0064] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. An air conditioner self-cleaning system, the air conditioner comprising an indoor unit (4) and an outdoor unit (5), characterized in that: The air conditioner self-cleaning system comprises a water collection component (1), a water storage component (2) and a cleaning component (3) which are connected in sequence, and also comprises a first control valve (6) and a drain outlet (9), wherein the inlet end of the first control valve (6) is connected to the water collection component (1), and the outlet end of the first control valve (6) is connected to the water storage component (2) and the drain outlet (9) respectively, and the water collection, cleaning and drainage of the air conditioner are achieved by switching the state of the first control valve (6); the air conditioner self-cleaning system also comprises a second control valve (7) arranged between the water storage component (2) and the drain outlet (9), wherein the second control valve (7) is connected to the upper part of the water storage component (2) through a second water delivery pipe (105), and is connected to the bottom of the water storage component (2) through a third water delivery pipe (106); a one-way third control valve (8) is also arranged between the second control valve (7) and the drain outlet (9); the water collection component ( 1) comprises a first water collecting tank (11) located at the bottom of the evaporator of the indoor unit (4), the first water collecting tank (11) being connected to the first control valve (6) through a first water collecting pipe (101); the water collecting assembly (1) also comprises a second water collecting tank (12) located at the bottom of the condenser of the outdoor unit (5), the second water collecting tank (12) being connected to the first control valve (6) through a second water collecting pipe (102); the water storage assembly (2) is a water storage tank (21), the water storage tank (21) being arranged between the heat exchanger and the fan of the outdoor unit (5), the water storage tank (21) being connected to the first control valve (6) through a third water collecting pipe (103); the cleaning assembly (3) comprises a water pump (31) installed on a fourth water supply pipe (107), and at least one nozzle (32) installed on the fourth water supply pipe (107) and arranged near the evaporator of the indoor unit (4).

2. The air conditioning self-cleaning system according to claim 1, characterized in that: The top of the water storage tank (21) is provided with a water inlet (211).

3. The air conditioning self-cleaning system according to claim 1 or 2, characterized in that: A water level detection component (212) is provided on the inner wall surface of the water storage tank (21).

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