Self-cleaning filter screen assembly and air conditioner

Abstract

The invention discloses a self-cleaning filter screen assembly and an air conditioner, and relates to the technical field of air conditioners, the self-cleaning filter screen assembly comprises a filter screen mechanism, the whole filter screen mechanism is of an arc-shaped structure, and the filter screen mechanism is installed on the air conditioner; the two turnover plates are rotationally mounted on the air conditioner on the two sides of the filter screen mechanism correspondingly, and the rotating points of the turnover plates and the circle center of the filter screen mechanism are located on the same axis; the rolling type dust sticking mechanism is mounted at the tail ends of the two overturning plates, and the rolling type dust sticking mechanism is in contact with the outer surface of the filter screen mechanism. Through the temperature driving characteristic of the liquid crystal elastic strip, the rolling type dust adhering mechanism is automatically driven to move up and down along the arc-shaped filter screen to adhere dust by utilizing the temperature change in a vehicle, a motor, a battery or an external power supply is not needed, the driving energy consumption is zero, and efficient cleaning can be completed through deformation of the liquid crystal elastic strip; compared with an electric driving system which a traditional self-cleaning air conditioner possibly depends on, energy consumption is remarkably reduced, and the trend of green and energy-saving electric appliances is met.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioners, and particularly relates to a self-cleaning filter assembly and an air conditioner. Background Art

[0002] With the rapid development of the automotive industry, in-vehicle air conditioning systems have become an indispensable part of modern vehicles, providing a comfortable driving environment for passengers and drivers. However, during the long-term use of in-vehicle air conditioners, their filters are prone to accumulating dust, bacteria, and other particulate pollutants. These pollutants not only reduce the air circulation efficiency of the air conditioning system, resulting in a decline in cooling or heating effects, but may also cause unpleasant odors, affect the air quality inside the vehicle, and even pose a potential threat to the health of passengers and drivers.

[0003] In existing in-vehicle air conditioners, the cleaning of filters mainly relies on manual operation. Users need to regularly remove the filters and clean the dirt by means of water washing, brushing, or vacuuming. This cleaning method has the following problems: First, the operations of removing and cleaning the filters are complex, time-consuming, and laborious. Users need to rely on tools or professional personnel, increasing the maintenance cost. Second, the cleaning frequency varies depending on user habits. Some users neglect regular cleaning, resulting in the filters remaining in a highly contaminated state for a long time, affecting the performance of the air conditioner and the air quality. In addition, manual cleaning may damage the filters or internal components due to improper operation, reducing the service life of the equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide a self-cleaning filter assembly and an air conditioner, which solve the problem that the cleaning of filters in existing in-vehicle air conditioners mainly relies on manual operation.

[0005] The present invention solves the above technical problems through the following technical solutions. The present invention includes: A filter mechanism, the filter mechanism is integrally in an arc structure, and the filter mechanism is installed in the air conditioner; Two flipping plates, the two flipping plates are respectively rotatably installed on the air conditioner on both sides of the filter mechanism, and the rotation points of the flipping plates and the center of the filter mechanism are on the same axis; A rolling dust adhesion mechanism, the rolling dust adhesion mechanism is installed at the ends of the two flipping plates, and the rolling dust adhesion mechanism is in contact with the outer surface of the filter mechanism; Two liquid crystal elastic strips, the two ends of the liquid crystal elastic strips are respectively connected to the flipping plates and the air conditioner. When the temperature rises, the liquid crystal elastic strips contract, pulling the rolling dust adhesion mechanism to move upward; when the temperature drops, the liquid crystal elastic strips extend, and the rolling dust adhesion mechanism will move downward due to its own gravity, so as to realize self-cleaning of the filter mechanism by the rolling dust adhesion mechanism.

[0006] Preferably, the roller-type ash sticking mechanism includes two movable seats respectively slidably installed at the ends of two flip plates, two ash sticking cylinders are installed between the two movable seats for common rotation, and a first spring is installed between the movable seat and the flip plate, and the action force of the first spring drives the ash sticking cylinder to fit the outer surface of the filter mechanism.

[0007] Preferably, the liquid crystal elastic strip is fixedly connected to the air conditioner via a fixing seat, at least one winding roller is fixed on the air conditioner, and the liquid crystal elastic strip is wound around the winding roller to increase the winding path of the liquid crystal elastic strip.

[0008] Preferably, the filter mechanism includes a fixed frame, in which an arc-shaped filter is installed, both ends of the arc-shaped filter are disconnected from the fixed frame, and both ends of the fixed frame are provided with a plurality of mounting through holes, in which a second spring is installed, and a fixing strip is fixed to the bottom of the arc-shaped filter, and both ends of the fixing strip are respectively fixed to the corresponding second springs and extend out of the fixed frame.

[0009] Preferably, the filter assembly also includes a vibrating cleaning mechanism arranged between the flip plate and the filter mechanism, the vibrating cleaning mechanism includes an arc-shaped bar fixed to the air conditioner and a toggle member installed on the flip plate, a plurality of evenly distributed inclined guide plates are fixed on the arc-shaped bar, and the toggle member, under the guidance of the inclined guide plate, toggles the fixed bar to generate vibration to clean the dust on the arc-shaped filter.

[0010] Preferably, the toggle member includes a moving block slidably installed on the flip plate through a third spring, two elastic push plates are fixed on one side of the moving block close to the fixed bar, and an extrusion block corresponding to the longitudinal direction of the inclined guide plate is fixed on the other side, and the moving block is fixed and slidably installed on a guide rod of the flip plate.

[0011] Preferably, the filter assembly also includes a bottom ash sticking mechanism arranged on the two flip plates, and the bottom ash sticking mechanism includes a fixed shell fixed to the two flip plates, and the two fixed shells are both removably installed with plug-in blocks, and two rollers are installed on the two plug-in blocks for rotation together, and soft adhesive rolls are wound together on the two rollers.

[0012] Preferably, a longitudinal through hole is opened at one end of the fixing shell, and the insert block is threadedly connected with a bolt that passes through the longitudinal through hole, so as to fix the fixing shell and the insert block.

[0013] The present invention also provides an air conditioner, comprising a self-cleaning filter assembly.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention uses the temperature-driven characteristics of the liquid crystal elastic strip to automatically drive the roller-type dust-adhering mechanism to move up and down along the arc-shaped filter screen by temperature changes to adhere to dust without the need for the user to manually disassemble or clean the filter screen. Compared with the cumbersome operation of traditional air conditioning filters that rely on manual water washing or vacuuming, this component completely frees users from the maintenance burden and saves time and energy; in addition, no motor, battery or external power supply is required, and the driving energy consumption is zero, so that the deformation of the liquid crystal elastic strip can complete efficient cleaning. Compared with the electric drive system that traditional self-cleaning air conditioners may rely on, this design significantly reduces energy consumption and conforms to the trend of green and energy-saving electrical appliances; 2. The self-cleaning filter assembly integrates a rolling dust sticking mechanism, a vibrating dust cleaning mechanism and a bottom dust sticking mechanism to form a multiple cleaning mechanism to ensure efficient removal of dust. The rolling dust sticking mechanism rolls and sticks dust on the filter surface through a tearable dust sticking cylinder; the vibrating dust cleaning mechanism causes the filter to vibrate through a toggle to shake off stubborn dust; the bottom sticking roll captures fallen particles to prevent secondary pollution; 3. Through automatic cleaning, the filter assembly effectively prevents dust accumulation, maintains the air permeability and filtration efficiency of the filter, reduces airflow resistance, improves the heat exchange efficiency of the air conditioner heat exchanger, reduces energy consumption, and cleans the filter to reduce the growth of microorganisms such as bacteria and mold, significantly improves the air quality in the car, and reduces the risk of transmission of allergens and pathogens. It is especially suitable for families with children, the elderly or people with respiratory tract sensitivity. The synergistic effect of the rolling dust sticking mechanism and the vibration dust cleaning mechanism ensures that the dust is completely removed, and the bottom sticking roll prevents secondary dust pollution, further ensuring air cleanliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the first part of the present invention; Figure 3 for Figure 2 The enlarged structural diagram at A in the middle; Figure 4 It is a side cross-sectional structural schematic diagram of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the second part of the present invention; Figure 6 Schematic diagram of the three-dimensional structure of the arc strip; Figure 7 for Figure 6 The enlarged structural diagram at B in the middle; Figure 8 Schematic diagram of the side view structure of the arc strip; Figure 9 It is a schematic diagram of the three-dimensional structure of the bottom ash sticking mechanism.

[0016] The numbers in the figure represent: 11 - Fixed frame; 12 - Arc-shaped filter screen; 13 - Fixed strip; 14 - Second spring; 21 - Fixed seat; 22 - Liquid crystal elastic strip; 23 - Winding roller; 3 - Flipping plate; 4 - Roller-type dust sticking mechanism; 41 - Moving seat; 42 - Dust sticking cylinder; 43 - First spring; 5 - Vibration dust cleaning mechanism; 51 - Arc-shaped strip; 52 - Inclined guiding plate; 53 - Moving block; 54 - Guide rod; 55 - Elastic pushing piece; 56 - Third spring; 57 - Extrusion block; 6 - Bottom dust sticking mechanism; 61 - Fixed shell; 62 - Insert block; 63 - Bolt; 64 - Rolling rod; 65 - Soft dust sticking roll. Detailed implementation mode

[0017] The following further elaborates on the above-mentioned and additional technical features and advantages of the present invention with reference to the accompanying drawings.

[0018] This embodiment provides a technical solution: a self-cleaning filter screen assembly, which is suitable for installation at the air outlet of the front row of a vehicle's air conditioner, aiming to achieve automatic cleaning of the filter screen, reduce manual maintenance costs, and improve the operating efficiency of the vehicle-mounted air conditioner and the air quality inside the vehicle. As Figure 1 , Figure 2 and Figure 4 shown, it includes a filter screen mechanism, two flipping plates 3, a roller-type dust sticking mechanism 4, and two liquid crystal elastic strips 22; each component works together, and through the temperature-driven characteristics of the liquid crystal elastic strips 22, the self-cleaning function of the filter screen without an external power source is realized.

[0019] The overall structure of the filter screen mechanism is arc-shaped, which is adapted to the geometric shape of the air outlet of the air conditioner, ensuring smooth air flow while effectively filtering impurities such as dust and microorganisms in the air. In this embodiment, for the installation of each component, the shape and internal structure of the air conditioner are adaptively adjusted to ensure that each component can be installed smoothly. This is prior art for those skilled in the art and will not be elaborated in detail herein.

[0020] The two flipping plates 3 are respectively rotatably installed on the air conditioner on both sides of the filter screen mechanism. How the flipping plates 3 are specifically rotatably connected to the air conditioner and achieve their use effects are both prior art for those skilled in the art and will not be elaborated in detail herein. And the rotation points of the flipping plates 3 and the center of the filter screen mechanism are on the same axis. The end of the flipping plate 3 far from the rotation point has two consecutive right-angle bends to form an installation platform at this end.

[0021] The rolling dust - adhering mechanism 4 is installed on the installation platforms of the two flipping plates 3, and the rolling dust - adhering mechanism 4 contacts the outer surface of the filter screen mechanism to adhere the dust on the surface of the filter screen mechanism. The rolling dust - adhering mechanism 4 includes two moving seats 41 respectively slidably installed on the installation platforms at the ends of the two flipping plates 3. Between the two moving seats 41, two dust - adhering cylinders 42 are rotatably installed together. Specifically, an annular block is fixed on the side of the moving seat 41, and the dust - adhering cylinder 42 is sleeved around the periphery of the annular block to form a rotational installation. A first spring 43 is installed between the moving seat 41 and the flipping plate 3, and the acting force of the first spring 43 drives the dust - adhering cylinder 42 to fit with the outer surface of the arc - shaped filter screen 12.

[0022] The dust - adhering cylinder 42 is of a tear - off design. Its principle is the same as that of a roller - type lint remover. It is formed by winding multiple sticky papers. Each sticky paper surface has uniform adhesion force and can efficiently capture dust, hair, and particles. When the dust adhered to the surface is overloaded, the top - layer sticky paper can be torn off to expose a new layer of sticky paper below for long - term use. The role of the first spring 43 can drive the dust - adhering cylinder 42 to contact the arc - shaped filter screen 12 under the action of the first spring 43 when the outer diameter gradually shrinks as the sticky papers are torn off layer by layer.

[0023] Both ends of the liquid - crystal elastic strip 22 are respectively connected to the flipping plate 3 and the air conditioner. The liquid - crystal elastic strip 22 is made of a thermally responsive liquid - crystal elastomer material. The liquid - crystal elastic strip 22 is fixedly connected to the air conditioner through a fixing seat 21. At least one winding roller 23 is fixed on the air conditioner, and the liquid - crystal elastic strip 22 bypasses the winding roller 23 to increase the winding path of the liquid - crystal elastic strip 22.

[0024] The thermally responsive liquid - crystal elastomer is a smart material that can undergo reversible deformation or property changes under the stimulation of temperature changes. Its characteristics mainly stem from the coupling of the ordered arrangement of liquid - crystal molecules and the elastic polymer network. When the temperature changes, the orientation order of the liquid - crystal molecules changes, resulting in the macroscopic deformation of the polymer network. For example, in a nematic liquid - crystal elastomer, when heated above the clearing point, the material shrinks along the direction of the director; after cooling, the liquid - crystal molecules resume their ordered arrangement and the shape of the material is restored.

[0025] In this embodiment, when the temperature rises, the liquid - crystal elastic strip 22 will shrink, and further pull the flipping plate 3 to flip upward; when the temperature drops, the liquid - crystal elastic strip 22 will extend, and further the flipping plate 3 will flip downward due to its own gravity and the gravity of the rolling dust - adhering mechanism 4. During this process, the rolling dust - adhering mechanism 4 can clean the filter screen mechanism, that is, it can achieve self - cleaning of the filter screen mechanism without setting external additional driving power, and also saves energy.

[0026] In this embodiment, the temperature for completing the above-mentioned action process is 22°-28° (set as needed, by selecting a specific liquid crystal monomer to adapt to the in-car environment and the air-conditioning operation mode), that is, in summer when the air-conditioning is not turned on, when the temperature in the car exceeds 28°, the liquid crystal elastic strip 22 contracts, and the roller-type dust sticking mechanism 4 moves to the uppermost side of the filter mechanism. When the air-conditioning is turned on, the temperature in the car is lower than 22°, the liquid crystal elastic strip 22 extends, and the roller-type dust sticking mechanism 4 will move to the lowermost side due to its own gravity; in winter when the air-conditioning is not turned on, when the temperature in the car is lower than 22°, the liquid crystal elastic strip 22 extends, and the roller-type dust sticking mechanism 4 will move to the lowermost side due to its own gravity; when the air-conditioning is turned on, the temperature in the car is higher than 28°, the liquid crystal elastic strip 22 contracts, and the roller-type dust sticking mechanism 4 moves to the uppermost side of the filter mechanism. When the temperature in the car is between 22°-28°, the roller-type dust sticking mechanism 4 is located in the middle position of the filter mechanism, which is also fine and will not cause serious impact on the air output of the air conditioner.

[0027] Embodiment 2: This embodiment is further optimized on the basis of embodiment 1, and the same parts as the above technical solution will not be repeated here. Figures 1 to 8 As shown, in order to better realize the present invention, the following setting is particularly adopted: a vibration cleaning mechanism 5 is added between the flip plate 3 and the filter mechanism, and the structure of the filter mechanism is improved to cooperate with the vibration cleaning mechanism 5 to process the dust on the arc filter 12, thereby increasing the dust cleaning effect.

[0028] The filter mechanism can be detachably installed at the air outlet of the air conditioner in the vehicle. The filter mechanism includes a fixing frame 11. The fixing frame 11 is made of plastic material and has a certain bending effect to facilitate bending during installation and disassembly. The upper and lower sides of the fixing frame 11 are connected to the outer shell of the air conditioner through buckles (not shown in the figure). An arc-shaped filter 12 is installed in the fixing frame 11. The two ends of the arc-shaped filter 12 are disconnected from the fixing frame 11, that is, the upper and lower side edges of the arc-shaped filter 12 are fixedly connected to the fixing frame 11. A plurality of mounting through holes are opened at both ends of the fixing frame 11. The mounting through holes are distributed in a ring along the edge of the fixing frame 11. A second spring 14 is installed in the mounting through hole. A fixing strip 13 is fixed to the bottom of the arc-shaped filter 12. The fixing strip 13 is fixed to the arc-shaped filter 12 by bonding. The two ends of the fixing strip 13 are respectively fixed to the corresponding second springs 14 and extend out of the fixing frame 11.

[0029] The vibrating cleaning mechanism 5 includes an arc-shaped bar 51 fixed to the air conditioner and a toggle member installed on the flip plate 3. The arc-shaped bar 51 is installed on the air conditioner by screws. The curvature of the arc-shaped bar 51 is adapted to the curvature of the filter mechanism. A plurality of evenly distributed inclined guide plates 52 are fixed on the arc-shaped bar 51. Under the guidance of the inclined guide plates 52, the toggle member toggles the fixed bar 13 to generate vibration, so as to clean the dust on the arc-shaped filter 12.

[0030] The toggle member includes a moving block 53 (specifically: installed on the lower side of the mounting platform) which is slidably mounted on the flip plate 3 through a third spring 56. The elastic performance of the third spring 56 is greater than that of the second spring 14. Two elastic push pieces 55 are fixed to the side of the moving block 53 close to the fixed bar 13. The elastic push pieces 55 have a certain deformation ability. An extrusion block 57 corresponding to the longitudinal direction of the oblique guide plate 52 is fixed to the other side. The moving block 53 is fixed with and slidably mounted on a guide rod 54 on the flip plate 3. The setting of the guide rod 54 ensures the stability of the moving block 53.

[0031] When the flip plate 3 flips downward, the squeezing block 57 contacts with the upper surface of the corresponding inclined guide plate 52, and the moving block 53 is squeezed and displaced to one side of the installation platform, and the third spring 56 is compressed. When the inclined guide plate 52 can no longer limit the squeezing block 57, the moving block 53 will be pushed and displaced due to the force of the third spring 56. At this time, the elastic push piece 55 will contact with the end of the corresponding fixing strip 13, and further squeeze the second spring 14. The connection between the arc filter 12 and the corresponding fixing strip 13 will be concave downward. When the second spring 14 can no longer be squeezed, the force of the third spring 56 is still continuing, and the corresponding elastic push piece 55 will be squeezed and bent. The overlap between the elastic push piece 55 and the fixing strip 13 is only 0.5-1mm. The bending of the elastic push piece 55 will cause the elastic push piece 55 to separate from the fixing strip 13, and the fixing strip 13 will rebound due to the force of the second spring 14. This series of actions will cause the arc filter 12 to vibrate, thereby vibrating the dust on the arc filter 12 off. When the second spring 14 is pulled back, the second spring 14 is pulled back to the left and the second spring 14 is pulled back to the right, so that the filter 12 is moved back and forth, and the filter 12 is moved back and forth ...

[0032] Embodiment 3: This embodiment is further optimized on the basis of embodiment 2, and the same parts as the above technical solutions will not be repeated here. Figure 1 , Figure 5 andFigure 9 As shown, to better implement the present invention, the following setting method is particularly adopted: a bottom dust adhesion mechanism 6 is provided below the filter screen mechanism to adhere to dust.

[0033] The bottom dust adhesion mechanism 6 includes a fixed shell 61 fixed to the two flipping plates 3. Both fixed shells 61 are detachably installed with plug blocks 62. Two rolling rods 64 are rotatably installed on the two plug blocks 62 together. The rolling rod 64 is detachably connected to at least one of the plug blocks 62. A soft adhesive roll 65 is wound around the two rolling rods 64 together. The soft adhesive roll 65 is similar to the dust adhesion cylinder 42 and is of a tearable design. The soft adhesive roll 65 can adhere to the dust falling from the filter screen mechanism.

[0034] A longitudinal through hole is opened at one end of the fixed shell 61. The plug block 62 is threadedly connected with a bolt 63 passing through the longitudinal through hole to fix the fixed shell 61 and the plug block 62, that is, by loosening / tightening, the plug block 62 can be disassembled / installed.

[0035] The above are only the preferred embodiments of the present invention, which are illustrative rather than restrictive to the present invention. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present invention, but all will fall within the protection scope of the present invention.

Claims

1. A self-cleaning filter assembly, characterized in that, include: A filter mechanism, wherein the filter mechanism is an arc-shaped structure as a whole, and the filter mechanism is installed on the air conditioner; Two flip plates (3), the two flip plates (3) being rotatably mounted on the air conditioner at both sides of the filter mechanism, and the rotation points of the flip plates (3) and the center of the filter mechanism are located on the same axis; A roller-type ash sticking mechanism (4), the roller-type ash sticking mechanism (4) being installed at the ends of the two flip plates (3), and the roller-type ash sticking mechanism (4) being in contact with the outer surface of the filter mechanism; Two liquid crystal elastic strips (22), the two ends of which are respectively connected to the flip plate (3) and the air conditioner; when the temperature rises, the liquid crystal elastic strips (22) contract, pulling the roller-type dust-adhering mechanism (4) to move upwards; when the temperature drops, the liquid crystal elastic strips (22) extend, and the roller-type dust-adhering mechanism (4) moves downwards due to its own gravity, so as to achieve self-cleaning of the filter mechanism through the roller-type dust-adhering mechanism (4).

2. The self-cleaning filter assembly according to claim 1, wherein The roller-type dust sticking mechanism (4) comprises two movable seats (41) respectively slidably mounted on the ends of the two flip plates (3); two dust sticking cylinders (42) are mounted between the two movable seats (41) so as to rotate together; a first spring (43) is mounted between the movable seat (41) and the flip plate (3); the action force of the first spring (43) drives the dust sticking cylinder (42) to fit the outer surface of the filter mechanism.

3. The self-cleaning filter assembly according to claim 1, wherein The liquid crystal elastic strip (22) is fixedly connected to the air conditioner via a fixing seat (21); at least one winding roller (23) is fixed on the air conditioner; the liquid crystal elastic strip (22) winds around the winding roller (23) to increase the winding path of the liquid crystal elastic strip (22).

4. The self-cleaning filter assembly according to claim 1, wherein The filter mechanism comprises a fixing frame (11), an arc-shaped filter (12) is installed in the fixing frame (11), two ends of the arc-shaped filter (12) are disconnected from the fixing frame (11), a plurality of mounting through holes are provided at both ends of the fixing frame (11), second springs (14) are installed in the mounting through holes, a fixing strip (13) is fixed to the bottom of the arc-shaped filter (12), two ends of the fixing strip (13) are respectively fixed to corresponding second springs (14) and extend out of the fixing frame (11).

5. The self-cleaning filter assembly according to claim 4, wherein The filter assembly further comprises a vibration cleaning mechanism (5) arranged between the flip plate (3) and the filter mechanism, the vibration cleaning mechanism (5) comprising an arc-shaped strip (51) fixed to the air conditioner and a toggle member mounted on the flip plate (3), a plurality of evenly distributed oblique guide plates (52) being fixed to the arc-shaped strip (51), and the toggle member, under the guidance of the oblique guide plates (52), toggle the fixed strip (13) to generate vibration, so as to clean the dust on the arc-shaped filter (12).

6. The self-cleaning filter assembly according to claim 5, wherein The toggle member comprises a moving block (53) which is slidably mounted on the flip plate (3) via a third spring (56); two elastic push pieces (55) are fixed on one side of the moving block (53) close to the fixed strip (13); and an extrusion block (57) which corresponds to the longitudinal direction of the oblique guide plate (52) is fixed on the other side; and a guide rod (54) which is fixed and slidably mounted on the flip plate (3) is fixed on the moving block (53).

7. The self-cleaning filter assembly according to claim 1, wherein The filter screen assembly further includes a dust sticking mechanism (6) arranged at the bottom of the two turning plates (3). The dust sticking mechanism (6) includes a fixed shell (61) fixed to the two turning plates (3). The two fixed shells (61) are both detachably installed with plug blocks (62). Two rolling rods (64) are rotatably installed on the two plug blocks (62) together. A soft sticky roll (65) is wound around the two rolling rods (64) together.

8. The self-cleaning filter assembly according to claim 7, wherein, One end of one side of the fixed shell (61) is provided with a longitudinal through hole. The plug block (62) is threadedly connected with a bolt (63) passing through the longitudinal through hole to realize the fixation of the fixed shell (61) and the plug block (62).

9. An air conditioner, characterized in that, It includes the self-cleaning filter screen assembly according to any one of claims 1-8.

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