Self-cleaning filter device and air conditioner

Abstract

This invention provides a self-cleaning filter device and an air conditioner. The self-cleaning filter device is applicable to air conditioners and includes: a filter assembly for filtering outdoor air entering through the air inlet of the air conditioner; an evaporator; and a guide ring, at least a portion of which is disposed below the evaporator to collect condensate dripping from the evaporator. The guide ring has a first drain hole so that the condensate in the guide ring flows through the first drain hole to the filter assembly for cleaning. The self-cleaning filter device of this invention solves the problem of frequent disassembly and cleaning of the outdoor filter assembly in the prior art.

Description

Technical Field

[0001] This invention relates to the field of air conditioner technology, and more specifically, to a self-cleaning filter device and an air conditioner. Background Technology

[0002] Portable air conditioners typically have a filter assembly on the indoor side, made of high-density PP mesh to prevent dust from entering the machine. Users need to clean the filter assembly regularly according to the instruction manual. However, due to factors such as assembly size, cost, appearance, and transportation reliability, the outdoor side does not have a filter assembly for dust prevention. After prolonged operation, the fins of the outdoor condenser assembly easily become covered with dust, increasing air resistance, significantly reducing heat exchange efficiency, increasing power consumption, and in severe cases, causing blockage and overheating protection shutdown of the outdoor condenser, thus affecting user comfort. Therefore, to solve these problems, current portable air conditioners are designed with a filter assembly on the outdoor side.

[0003] However, the outdoor filter components require frequent disassembly and cleaning, which is inconvenient to operate. Summary of the Invention

[0004] The main objective of this invention is to provide a self-cleaning filter device and an air conditioner to solve the problem that the outdoor filter components in the prior art need to be frequently disassembled and cleaned.

[0005] To achieve the above objectives, according to one aspect of the present invention, a self-cleaning filter device is provided, suitable for an air conditioner. The self-cleaning filter device includes: a filter assembly for filtering outdoor air entering through the air inlet of the air conditioner; an evaporator; a guide ring, at least a portion of which is disposed below the evaporator to collect condensate dripping from the evaporator; and a first drain hole provided on the guide ring to allow condensate in the guide ring to flow through the first drain hole to the filter assembly for cleaning the filter assembly.

[0006] Furthermore, the guide ring is provided with multiple water storage areas that are separated and arranged sequentially along the extension direction of the filter component, and each water storage area is provided with a first drain hole.

[0007] Furthermore, each water storage area is equipped with multiple first drain holes, and these multiple first drain holes in each water storage area are arranged sequentially along the extension direction of the filter assembly.

[0008] Furthermore, the guide ring is provided with protruding water-enclosing ribs to separate multiple water storage areas on the guide ring.

[0009] Furthermore, the filter assembly is located below the flow guide ring; the bottom of the flow guide ring is provided with a first guide portion and a second guide portion, the first guide portion and the second guide portion are spaced apart and located on opposite sides of the first drain hole, and the top of the filter assembly is inserted between the first guide portion and the second guide portion.

[0010] Furthermore, the filter assembly includes a mounting bracket and a filter screen disposed on the mounting bracket, and the filter assembly is disposed below the flow guide ring; the filter assembly also includes a water storage tank, which is disposed on the top of the mounting bracket, and a second drain hole is provided at the bottom of the water storage tank, which is disposed opposite to the first drain hole.

[0011] Furthermore, the self-cleaning filter device also includes: a condenser, with the filter assembly disposed between the condenser and the air inlet, so that outdoor air entering from the air inlet flows through the condenser after being filtered by the filter assembly; the filter assembly includes a mounting bracket and a filter screen disposed on the mounting bracket, and the filter assembly also includes a sealing part, the sealing part protruding from the mounting bracket, the sealing part having an annular structure, the sealing part surrounding the filter screen, and a section of the sealing part away from the mounting bracket abutting against the condenser.

[0012] Furthermore, the self-cleaning filter device also includes: a chassis, on which the filter assembly is supported; wherein: a guide groove is provided on the side wall of the chassis, and the bottom of the filter assembly is inserted into the guide groove; and / or, a third guide portion is provided on the chassis, the third guide portion protruding from the chassis, the third guide portion being located on the side of the filter assembly, and the third guide portion extending along the installation direction of the filter assembly.

[0013] Furthermore, the self-cleaning filter device also includes: a housing, which includes a chassis and a side wall connected to the chassis; a filter assembly, a guide ring, and an evaporator are disposed within the housing; the side wall has an air inlet for introducing outdoor air; a mounting hole is provided on the side wall, the wall of which communicates with a guide groove, through which the filter assembly is inserted into the housing; a mounting groove is also provided on the side wall, the bottom of which communicates with the end of the mounting hole; the filter assembly has a handle, which is disposed within the mounting groove and abuts against the bottom of the mounting groove.

[0014] Furthermore, a handle groove is provided on the side wall, which is located on the side of the mounting groove and connected to the mounting groove.

[0015] According to another aspect of the present invention, an air conditioner is provided, including the above-described self-cleaning filter device.

[0016] According to the technical solution of this invention, the self-cleaning filter device includes a filter assembly, an evaporator, and a guide ring. The filter assembly is used to filter outdoor air entering through the air inlet of the air conditioner and to filter dust. The condensate falling from the evaporator flows into the guide ring and flows through the first drain hole on the guide ring to the filter assembly to clean the filter assembly, thereby realizing the self-cleaning function of the filter device. This reduces the need for frequent cleaning of the filter assembly and solves the problem of frequent disassembly and cleaning of the outdoor filter assembly in the prior art. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0018] Figure 1 A schematic diagram of an embodiment of an air conditioner according to the present invention is shown;

[0019] Figure 2 A schematic diagram of an embodiment of the self-cleaning filter device according to the present invention is shown;

[0020] Figure 3 An exploded schematic diagram of an embodiment of the self-cleaning filter device according to the present invention is shown;

[0021] Figure 4 A schematic diagram of the evaporator and guide ring of the self-cleaning filter device according to the present invention is shown;

[0022] Figure 5 A top view of the flow guide ring according to an embodiment of the self-cleaning filter device according to the present invention is shown;

[0023] Figure 6 It shows Figure 5 A partially enlarged schematic diagram of the first drainage hole at point D;

[0024] Figure 7 An isometric view of the flow guide ring according to an embodiment of the self-cleaning filter device according to the present invention is shown;

[0025] Figure 8 A partial cross-sectional view of an embodiment of the self-cleaning filter device according to the present invention is shown;

[0026] Figure 9 It shows Figure 8 A partially enlarged schematic diagram of the first and second drainage holes at point B;

[0027] Figure 10 A cross-sectional view of an embodiment of the self-cleaning filter device according to the present invention is shown;

[0028] Figure 11 It shows Figure 10 A magnified view of a section at point C;

[0029] Figure 12 A schematic diagram of the filter assembly of the self-cleaning filter device according to the present invention is shown;

[0030] Figure 13 A top view of the filter assembly of the self-cleaning filter device according to the present invention is shown;

[0031] Figure 14 It shows Figure 13 A magnified view of point A in the image;

[0032] Figure 15 A schematic diagram of the chassis of the self-cleaning filter device according to the present invention is shown;

[0033] Figure 16 It shows Figure 15 A magnified view of point E in the image;

[0034] Figure 17 A schematic diagram of the housing of an air conditioner according to the present invention is shown;

[0035] Figure 18 It shows Figure 17 A magnified view of point F in the image.

[0036] The above figures include the following reference numerals:

[0037] 10. Filter assembly; 11. Mounting bracket; 12. Filter screen; 13. Water storage tank; 14. Second drain hole; 15. Sealing part; 16. Handle; 17. Guide part; 20. Evaporator; 30. Flow guide ring; 31. First drain hole; 32. Water storage area; 33. Water retaining rib; 34. First guide part; 35. Second guide part; 40. Air inlet; 50. Condenser; 61. Guide groove; 62. Third guide part; 70. Housing; 71. Chassis; 72. Side wall; 721. Mounting hole; 722. Mounting groove; 723. Handle groove. Detailed Implementation

[0038] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0040] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0041] This invention provides a self-cleaning filter device suitable for air conditioners, such as... Figures 1 to 18 As shown, the self-cleaning filter device includes: a filter assembly 10 for filtering outdoor air entering through the air inlet 40 of the air conditioner; an evaporator 20; a guide ring 30, at least a portion of which is disposed below the evaporator 20 to collect condensate falling from the evaporator 20; and a first drain hole 31 provided on the guide ring 30 so that the condensate in the guide ring 30 flows through the first drain hole 31 to the filter assembly 10 to clean the filter assembly 10.

[0042] The self-cleaning filter device of the present invention is applicable to air conditioners. The self-cleaning filter device includes a filter assembly 10, an evaporator 20, and a guide ring 30. The filter assembly 10 is used to filter outdoor air entering through the air inlet 40 of the air conditioner to filter dust and other impurities. The condensate falling from the evaporator 20 flows into the guide ring 30 and flows through the first drain hole 31 on the guide ring 30 to the filter assembly 10 to clean the filter assembly 10, thereby realizing the self-cleaning function of the filter device. This reduces the need for frequent cleaning and maintenance of the filter assembly, thus solving the problem of frequent disassembly and cleaning of the outdoor filter assembly in the prior art.

[0043] In this embodiment, the guide ring 30 is provided with a plurality of water storage areas 32 that are separated from each other. The plurality of water storage areas 32 are arranged sequentially along the extension direction of the filter assembly 10, and each water storage area 32 is provided with a first drain hole 31.

[0044] Specifically, the guide ring 30 is provided with multiple water storage areas 32 that are separated. The multiple water storage areas 32 are arranged sequentially along the extension direction of the filter assembly 10. Each water storage area 32 is used to store condensate falling from the evaporator 20. Each water storage area 32 has a uniformly distributed first drain hole 31, which is conducive to uniformly guiding the condensate in the water storage area 32 onto the filter assembly 10 and ensuring the cleaning effect of the filter assembly 10.

[0045] Optionally, such as Figure 5 As shown, there are three water storage areas, 32.

[0046] In this embodiment, each water storage area 32 is provided with a plurality of first drain holes 31, and the plurality of first drain holes 31 in each water storage area 32 are arranged sequentially along the extension direction of the filter assembly 10.

[0047] Specifically, each water storage area 32 has a plurality of first drain holes 31 arranged sequentially along the extension direction of the filter assembly 10, which is conducive to evenly guiding the condensate in the water storage area 32 to the surface of the filter assembly 10, and using the gravity of the condensate to flow downward to wash the dust on the surface of the filter assembly 10, reducing the inconvenience of users frequently cleaning the filter assembly.

[0048] Optionally, such as Figure 9 As shown, the first drain hole 31 is designed as a rectangular hole with a length and width of a = 4~6mm and b = 8~10mm, respectively; the distance between two adjacent first drain holes 31 is c = 4~5mm. This arrangement helps to evenly guide condensate water onto the filter assembly.

[0049] In this embodiment, the guide ring 30 is provided with protruding water-enclosing ribs 33, so as to divide multiple water storage areas 32 on the guide ring 30 by the water-enclosing ribs 33.

[0050] Specifically, such as Figure 8 As shown, the guide ring 30 has water-encircling ribs 33, which divide the guide ring 30 into multiple water storage areas 32, thereby separating the condensate falling from the evaporator 20 into multiple water storage areas 32. Each water storage area has evenly distributed drain holes, which helps to evenly guide the condensate falling from the evaporator 20 to the filter assembly 10, thereby ensuring that the surface of the filter assembly 10 can be cleaned and preventing dust residue on the surface of the filter assembly 10.

[0051] In this embodiment, the filter assembly 10 is disposed below the flow guide ring 30; the bottom of the flow guide ring 30 is provided with a first guide portion 34 and a second guide portion 35, the first guide portion 34 and the second guide portion 35 are spaced apart and located on opposite sides of the first drain hole 31, and the top of the filter assembly 10 is inserted between the first guide portion 34 and the second guide portion 35.

[0052] Specifically, such as Figure 10As shown, the guide ring 30 is provided with a first drain hole 31. The first drain hole 31 has a first guide portion 34 and a second guide portion 35 on both sides. The top of the filter assembly 10 is inserted between the first guide portion 34 and the second guide portion 35. The first guide portion 34 and the second guide portion 35 facilitate the diversion of condensate through the first drain hole 31 to the filter assembly 10 below for cleaning. The first guide portion 34 and the second guide portion 35 prevent condensate from overflowing, ensuring that condensate can flow through the first drain hole 31 to the filter assembly 10. Furthermore, the first guide portion 34 and the second guide portion 35 facilitate the installation of the filter assembly 10, ensuring product safety and reliability.

[0053] In this embodiment, the filter assembly 10 includes a mounting frame 11 and a filter screen 12 disposed on the mounting frame 11. The filter assembly 10 is disposed below the flow guide ring 30. The filter assembly 10 also includes a water storage tank 13, which is disposed on the top of the mounting frame 11. A second drain hole 14 is provided at the bottom of the water storage tank 13, and the second drain hole 14 is disposed opposite to the first drain hole 31.

[0054] Specifically, such as Figure 11 and 12 As shown, the filter assembly 10 includes a mounting bracket 11 and a filter screen 12 disposed on the mounting bracket 11. A water storage tank 13 is disposed on the top of the mounting bracket 11, and a second drain hole 14 is provided at the bottom of the water storage tank 13. The water storage tank 13 is located directly below the first drain hole 31 of the guide ring 30 and is used to collect the condensate flowing out of the first drain hole 31. The condensate is then guided to the surface of the filter assembly 10 through the second drain hole 14 to wash away the dust on the surface of the filter assembly 10. The second drain hole 14 is aligned with the first drain hole 31 to prevent condensate from overflowing, which facilitates the guidance of condensate in the guide ring 30 to the surface of the filter assembly 10. The condensate flows downward by gravity to wash away the dust on the surface of the filter assembly 10, reducing the inconvenience of users frequently cleaning the filter assembly. In this embodiment, the self-cleaning filter device further includes: a condenser 50, and a filter assembly 10 disposed between the condenser 50 and the air inlet 40, so that outdoor air entering through the air inlet 40 flows through the condenser 50 after being filtered by the filter assembly 10; the filter assembly 10 includes a mounting bracket 11 and a filter screen 12 disposed on the mounting bracket 11, and the filter assembly 10 further includes a sealing part 15, the sealing part 15 protruding from the mounting bracket 11, the sealing part 15 having an annular structure, the sealing part 15 surrounding the filter screen 12, and a section of the sealing part 15 away from the mounting bracket 11 abutting against the condenser 50.

[0055] Specifically, the filter assembly 10 is disposed between the condenser 50 and the air inlet 40 to filter dust in the outdoor air entering through the air inlet 40, preventing dust from easily accumulating on the surface of the condenser 50, preventing the fins of the condenser 50 from becoming clogged and causing shutdown, reducing outdoor wind resistance, reducing machine power consumption, and improving user comfort. The filter assembly 10 includes a mounting bracket 11 and a filter screen 12 disposed on the mounting bracket 11. The filter screen 12 of the filter assembly 10 has an annular sealing part 15 around its perimeter. The sealing part 15 protrudes from the mounting bracket 11 and is used to cooperate with the condenser assembly to form a seal, improving the dust filtration effect of the condenser 50, and also increasing the strength of the filter assembly 10 to prevent deformation. In this embodiment, the self-cleaning filter device further includes: a chassis 71, on which the filter assembly 10 is supported; wherein: a guide groove 61 is provided on the side wall of the chassis 71, and the bottom of the filter assembly 10 is inserted into the guide groove 61; and / or, a third guide portion 62 is provided on the chassis 71, protruding from the chassis 71, located on the side of the filter assembly 10, and extending along the installation direction of the filter assembly 10. It should be noted that the installation direction is the direction in which the filter assembly 10 is pushed into or pulled out of the housing, i.e. Figure 13 The up and down directions in the middle.

[0056] Specifically, the chassis 71 supports the filter assembly 10, facilitating its installation. A guide groove 61 is provided on the side wall of the chassis 71 for inserting the filter assembly 10. A third guide portion 62 is provided on the chassis 71, protruding from it. When the guide groove 61 is inserted into the filter assembly 10, the third guide portion 62 helps to restrain the filter assembly 10 on the chassis 71, allowing for free and flexible installation and removal of the filter assembly 10. This makes installation and removal of the filter assembly 10 convenient, facilitating user use and maintenance.

[0057] Optionally, a plurality of third guide sections 62 are provided on the chassis 71, and the plurality of third guide sections 62 are spaced apart along the installation direction of the filter assembly 10.

[0058] In this embodiment, the self-cleaning filter device further includes: a housing 70, which includes a chassis 71 and a side wall 72 connected to the chassis 71. The filter assembly 10, the guide ring 30, and the evaporator 20 are all disposed inside the housing 70. The side wall 72 has an air inlet 40 for introducing outdoor air. The side wall 72 is provided with a mounting hole 721, the wall of which is connected to the guide groove 61. The filter assembly 10 is inserted into the housing 70 through the mounting hole 721. The side wall 72 is also provided with a mounting groove 722, the bottom of which is connected to the end of the mounting hole 721. The filter assembly 10 has a handle 16, which is disposed inside the mounting groove 722 and abuts against the bottom of the mounting groove 722.

[0059] Specifically, the housing 70 includes a chassis 71 and a side wall 72 connected to the chassis 71. The filter assembly 10 is inserted into the housing 70 through the mounting hole 721. The side wall 72 is also provided with a mounting groove 722, the bottom of which is connected to the end of the mounting hole 721. The filter assembly 10 has a handle 16, which is located in the mounting groove 722 and abuts against the bottom of the mounting groove 722, making it convenient for the user to pick up the filter assembly. The user can freely and flexibly install and remove the filter assembly through the handle 16.

[0060] When the user installs the filter assembly 10, the user controls the filter assembly 10 to be inserted into the housing 70 after entering the mounting hole 721 and guide groove 61 by using the handle 16. At the same time, the top of the filter assembly 10 is inserted between the first guide part 34 and the second guide part 35, and the side of the bottom of the filter assembly 10 is supported on the third guide part 62. The handle 16 is located in the mounting groove 722 and abuts against the bottom of the mounting groove 722. When the user disassembles the filter assembly 10, the filter assembly 10 can be easily pulled out by pulling the handle 16, and the disassembly can be completed smoothly.

[0061] Specifically, the filter assembly 10 is located at the rear of the air conditioner, and the side wall 72 is the rear panel.

[0062] In this embodiment, a handle groove 723 is also provided on the side wall 72. The handle groove 723 is located on the side of the mounting groove 722 and is connected to the mounting groove 722.

[0063] Specifically, when the user installs the filter assembly 10, the filter assembly enters the housing 70, the handle 16 is located in the mounting groove 722, and the side of the mounting groove 722 on the side wall 72 is provided with a handle groove 723, so that the user can put his hand into the handle groove 723 to grab the handle 16 in the mounting groove 722, making it easy for the user to take the filter assembly.

[0064] In this embodiment, the mounting bracket 11 of the filter assembly 10 has a first end and a second end disposed opposite to each other. The first end is provided with a guide portion 17, and the second end is provided with a handle 16. The width of the guide portion 17 gradually decreases from the first end to the second end of the mounting bracket 11. A fixing groove is provided on the housing 70, and the guide portion 17 is inserted into the fixing groove. The gradual decrease in the width of the guide portion 17 from the first end to the second end of the mounting bracket 11 facilitates the insertion of the guide portion 17 into the fixing groove, allowing the user to freely and flexibly install and remove the filter assembly. The width of the guide portion 17 is... Figure 13 The left and right directions in the middle.

[0065] The present invention also provides an air conditioner including the self-cleaning filter device described in the above embodiments.

[0066] The present invention provides an air conditioner including the aforementioned self-cleaning filter device. The self-cleaning filter device includes a filter assembly 10, an evaporator 20, and a guide ring 30. The filter assembly 10 is used to filter outdoor air entering through the air inlet 40 of the air conditioner and to filter dust. Condensate falling from the evaporator 20 flows into the guide ring 30 and flows through the first drain hole 31 on the guide ring 30 to the filter assembly 10 to clean the filter assembly 10, thereby realizing the self-cleaning function of the filter device. This reduces the need for frequent cleaning and maintenance of the filter assembly and solves the problem of frequent disassembly and cleaning of the outdoor filter assembly in the prior art.

[0067] Specifically, the air conditioner is a portable air conditioner.

[0068] The outdoor unit of the air conditioner of the present invention has a filter assembly 10, which prevents the fins of the condenser 50 from easily becoming dirty and causing shutdown, reduces the wind resistance on the outdoor unit, reduces the power consumption of the machine, and improves the user's comfort. The filter assembly 10 on the outdoor unit of the air conditioner of the present invention has a self-cleaning function, which can reduce the need for frequent cleaning of the filter assembly. The filter assembly 10 on the outdoor unit of the air conditioner of the present invention is easy to install and remove, making it convenient for users to use and maintain.

[0069] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0070] This invention provides a self-cleaning filter device suitable for air conditioners. The self-cleaning filter device includes a filter assembly 10, an evaporator 20, and a guide ring 30. The filter assembly 10 is used to filter outdoor air entering through the air inlet 40 of the air conditioner, and is used to filter dust. Condensate falling from the evaporator 20 flows into the guide ring 30, and the condensate flows through the first drain hole 31 on the guide ring 30 to the filter assembly 10 to clean the filter assembly 10, thereby realizing the self-cleaning function of the filter device, reducing the need for frequent cleaning and maintenance of the filter assembly, and thus solving the problem of frequent disassembly and cleaning of the outdoor filter assembly in the prior art.

[0071] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0072] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0073] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A self-cleaning filter device, suitable for air conditioners, characterized in that, The self-cleaning filter device includes: A filter assembly (10) is used to filter outdoor air entering through the air inlet (40) of the air conditioner; Evaporator (20); A guide ring (30) is provided, at least a portion of which is disposed below the evaporator (20) to receive condensate falling from the evaporator (20); the guide ring (30) is provided with a first drain hole (31) so that the condensate in the guide ring (30) flows through the first drain hole (31) to the filter assembly (10) to clean the filter assembly (10); The filter assembly (10) includes a mounting frame (11) and a filter screen (12) disposed on the mounting frame (11). The filter assembly (10) is disposed below the flow guide ring (30). The filter assembly (10) also includes a water storage tank (13). The water storage tank (13) is disposed on the top of the mounting frame (11). The bottom of the water storage tank (13) is provided with a second drain hole (14). The second drain hole (14) is disposed opposite to the first drain hole (31). The self-cleaning filter device also includes a condenser (50), and the filter assembly (10) is disposed between the condenser (50) and the air inlet (40) so that the outdoor air entering from the air inlet (40) flows through the condenser (50) after being filtered by the filter assembly (10); the filter assembly (10) includes a mounting bracket (11) and a filter screen (12) disposed on the mounting bracket (11), and the filter assembly (10) also includes a sealing part (15), the sealing part (15) protruding from the mounting bracket (11), the sealing part (15) having an annular structure, the sealing part (15) surrounding the filter screen (12), and a section of the sealing part (15) away from the mounting bracket (11) abutting against the condenser (50).

2. The self-cleaning filter device according to claim 1, characterized in that, The guide ring (30) is provided with a plurality of water storage areas (32) that are separated. The plurality of water storage areas (32) are arranged sequentially along the extension direction of the filter assembly (10). Each water storage area (32) is provided with the first drain hole (31).

3. The self-cleaning filter device according to claim 2, characterized in that, Each of the water storage areas (32) is provided with a plurality of first drain holes (31), and the plurality of first drain holes (31) of each of the water storage areas (32) are arranged sequentially along the extension direction of the filter assembly (10).

4. The self-cleaning filter device according to claim 2, characterized in that, The guide ring (30) is provided with protruding water-enclosing ribs (33) to separate multiple water storage areas (32) on the guide ring (30).

5. The self-cleaning filter device according to any one of claims 1 to 4, characterized in that, The filter assembly (10) is disposed below the flow guide ring (30); the bottom of the flow guide ring (30) is provided with a first guide portion (34) and a second guide portion (35), the first guide portion (34) and the second guide portion (35) are spaced apart and located on opposite sides of the first drain hole (31), and the top of the filter assembly (10) is inserted between the first guide portion (34) and the second guide portion (35).

6. The self-cleaning filter device according to any one of claims 1 to 4, characterized in that, The self-cleaning filter device further includes: a chassis (71), on which the filter assembly (10) is supported; wherein: A guide groove (61) is provided on the side wall of the chassis (71), and the bottom of the filter assembly (10) is inserted into the guide groove (61); and / or, A third guide portion (62) is provided on the chassis (71). The third guide portion (62) protrudes from the chassis (71) and is located on the side of the filter assembly (10). The third guide portion (62) extends along the installation direction of the filter assembly (10).

7. The self-cleaning filter device according to claim 6, characterized in that, The self-cleaning filter device also includes: The housing (70) includes the chassis (71) and a sidewall (72) connected to the chassis (71). The filter assembly (10), the guide ring (30) and the evaporator (20) are all disposed in the housing (70). The sidewall (72) has the air inlet (40) for introducing outdoor air. The side wall (72) is provided with a mounting hole (721), the hole wall of the mounting hole (721) is connected to the guide groove (61), and the filter assembly (10) is inserted into the housing (70) through the mounting hole (721); The side wall (72) is also provided with an installation groove (722), the bottom of the installation groove (722) is connected to the end of the installation hole (721); the filter assembly (10) has a handle (16), the handle (16) is disposed in the installation groove (722) and abuts against the bottom of the installation groove (722).

8. The self-cleaning filter device according to claim 7, characterized in that, A handle groove (723) is also provided on the side wall (72), the handle groove (723) is located on the side of the mounting groove (722) and is connected to the mounting groove (722).

9. An air conditioner, characterized in that, Includes the self-cleaning filter device according to any one of claims 1 to 8.

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