Indoor unit of air conditioner

Abstract

The utility model provides an air conditioner indoor unit which comprises a machine shell. A heat exchange air inlet; a heat exchange air outlet; the cleaning module comprises a supporting frame; the filter screen is arranged around the support frame; the first driving brush is arranged on the outer side of the filter screen, the first driving brush makes contact with the filter screen so that friction transmission can be achieved between the first driving brush and the filter screen, and the first driving brush is used for driving the filter screen to rotate; the first cleaning brush is arranged on the outer side of the filter screen, the first cleaning brush abuts against the filter screen, and the first cleaning brush is used for brushing off dust on the filter screen; wherein the supporting frame comprises a concave part, and the concave part is concave towards the interior of the supporting frame; at least part of the first driving brush is arranged in the concave part in a matched mode, at least part of the filter screen is arranged between the concave part and the first driving brush, the first driving brush abuts against the filter screen to drive the filter screen to rotate, and therefore the filter screen transmission efficiency and the filter screen cleaning efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning, in particular to an indoor air conditioner. Background Art

[0002] An air conditioner includes an indoor unit and an outdoor unit. The indoor unit is usually installed indoors and can be used to exchange heat of indoor air. The outdoor unit is installed outdoors and can be used to exchange heat in the refrigerant with outdoor air.

[0003] The indoor unit of the air conditioner includes a housing, and a heat exchange air inlet and a heat exchange air outlet are arranged on the housing. During heating and cooling, indoor air flows into the housing through the heat exchange air inlet and flows out through the heat exchange air outlet. A filter screen is correspondingly arranged at the heat exchange air inlet, and the filter screen is used to filter dust flowing into the housing.

[0004] If the filter screen of the indoor unit of the air conditioner is not cleaned regularly, a large amount of dust and bacteria will accumulate, which will not only affect the working efficiency of the indoor unit of the air conditioner, increase energy consumption, but also may have an impact on human health, such as causing respiratory diseases and the like.

[0005] The traditional cleaning method of the air conditioner filter screen requires manual cleaning regularly, which is time-consuming and laborious, and the cleaning effect cannot be guaranteed either.

[0006] In the air conditioner self-cleaning device in the related art, a rack is arranged at the edge of the filter screen, and the rack is driven by a gear to move so as to drive the filter screen to move. Setting the rack makes the dust cleaning device have problems of high cost and complex device. Therefore, there is an urgent need for a cleaning device with a simpler structure and lower cost. Summary of the Utility Model

[0007] The purpose of the utility model is to solve the above problems and other problems to at least a certain extent.

[0008] To achieve the above purpose, the utility model provides an indoor air conditioner, including:

[0009] A main body, the direction from the bottom to the top of the main body is the height direction of the main body, and the direction from the left side to the right side of the main body is the length direction of the main body; the main body includes:

[0010] A housing;

[0011] A heat exchange air inlet formed at the top of the housing;

[0012] A heat exchange air outlet formed at the bottom of the housing;

[0013] A cleaning module, the cleaning module is correspondingly arranged corresponding to the heat exchange air inlet, and the cleaning module includes:

[0014] A support frame, correspondingly arranged corresponding to the heat exchange air inlet;

[0015] A filter screen, which is arranged around the support frame along the length direction of the main body;

[0016] A first driving brush, which is arranged on the outer side of the filter screen. The first driving brush is in contact with the filter screen so that frictional transmission is achieved between the first driving brush and the filter screen. The first driving brush is used to drive the filter screen to rotate;

[0017] A first cleaning brush, which is arranged on the outer side of the filter screen. The first cleaning brush abuts against the filter screen. The first cleaning brush is used to brush off the dust on the filter screen;

[0018] Wherein, the support frame includes:

[0019] A concave part, which concaves towards the inside of the support frame;

[0020] At least part of the first driving brush is arranged in the concave part in a matching manner. At least part of the filter screen is arranged between the concave part and the first driving brush and abuts against the first driving brush. The first driving brush abuts against the filter screen to drive the filter screen to rotate.

[0021] The above technical solution has at least the following effects: The concave part is adapted to the first driving brush. At least part of the first driving brush is arranged in the concave part in a matching manner. At least part of the filter screen is arranged between the concave part and the first driving brush. The first driving brush abuts against the filter screen to drive the filter screen to rotate. At least part of the filter screen is arranged between the concave part and the first driving brush, and the first driving brush abuts against the filter screen, which can increase the contact area between the first driving brush and the filter screen, thereby increasing the frictional resistance between the first driving brush and the filter screen, and preventing the first driving brush from slipping between the first driving brush and the filter screen when the first driving brush rotates, and preventing the influence on the transmission and cleaning effect of the filter screen.

[0022] The present application also provides an indoor air conditioner, including:

[0023] A main body, the direction from the bottom to the top of the main body is the height direction of the main body, and the direction from the left side to the right side of the main body is the length direction of the main body; the main body includes:

[0024] A casing;

[0025] A heat exchange air inlet, which is formed at the top of the casing;

[0026] A heat exchange air outlet, which is formed at the bottom of the casing;

[0027] A cleaning module, which is arranged corresponding to the heat exchange air inlet. The cleaning module includes:

[0028] A support frame, which is arranged corresponding to the heat exchange air inlet;

[0029] A filter screen that surrounds the support frame along the length direction of the main body;

[0030] A first driving brush is arranged on the outer side of the filter screen. The first driving brush is in contact with the filter screen, and the first driving brush rotates to drive the filter screen to rotate through friction;

[0031] A first cleaning brush is arranged on the outer side of the filter screen. The first cleaning brush abuts against the filter screen, and the first cleaning brush is used to brush off the dust on the filter screen;

[0032] Wherein, the support frame includes:

[0033] A concave portion that concaves towards the inside of the support frame;

[0034] In the projection in the length direction of the main body, the first driving brush and the concave portion at least partially overlap.

[0035] The above technical solution has at least the following effects: Since the filter screen surrounds the support frame and the concave portion, in the projection in the length direction of the main body, the concave portion and the first driving brush at least partially overlap, that is, at least part of the first driving brush is arranged in the concave portion, so that the first driving brush can be in contact with the filter screen arranged in the concave portion, and part of the filter screen can abut against and extend along the periphery of the first driving brush to increase the contact area between the first driving brush and the filter screen, thereby increasing the frictional resistance between the first driving brush and the filter screen, preventing the first driving brush from slipping between the first driving brush and the filter screen when the first driving brush rotates, and preventing the influence on the transmission and cleaning effect of the filter screen.

[0036] In some embodiments of the present application, the cleaning module includes:

[0037] A first steering column is arranged on the inner side of the filter screen. The first steering column abuts against the filter screen and can rotate relative to the filter screen;

[0038] A second steering column is arranged on the inner side of the filter screen. The second steering column abuts against the filter screen and can rotate relative to the filter screen;

[0039] The second steering column and the first steering column are respectively arranged at opposite ends of the support frame to support the filter screen.

[0040] The above technical solution has at least the following effects: The second steering column and the first steering column are respectively arranged at opposite ends of the support frame to support the filter screen. When the first driving brush drives the filter screen to rotate, the first steering column and the second steering column rotate relative to the support frame to reduce the frictional resistance between the filter screen and the first steering column and the second steering column, facilitating the rotation of the filter screen and avoiding the filter screen from slipping relative to the first driving brush due to excessive frictional resistance.

[0041] In some embodiments of the present application, the cleaning module further includes:

[0042] A cartridge, in which the first driving brush and the first cleaning brush are arranged;

[0043] At least part of the filter screen is arranged in the cartridge, and the first driving brush and the first cleaning brush are respectively rotatably connected to the cartridge.

[0044] The above technical solution has at least the following effects: The first driving brush and the first cleaning brush are respectively rotatably connected to the cartridge, and the cartridge can play a role in supporting and connecting the first driving brush and the first cleaning brush, which is beneficial to the normal operation of the cleaning module.

[0045] In some embodiments of the present application, the first cleaning brush includes:

[0046] A second driving roller, which is arranged below the filter screen and is rotatably connected to the cartridge;

[0047] Second bristles, which are arranged on the surface of the second driving roller and are in contact with the filter screen;

[0048] The rotation direction of the second driving roller is opposite to the rotation direction of the filter screen.

[0049] The above technical solution has at least the following effects: The second bristles are distributed on the surface of the second driving roller, and the first cleaning brush can rotate in the opposite direction to the moving direction of the filter screen, thereby improving the cleaning effect of the first cleaning brush on the filter screen.

[0050] In some embodiments of the present application, the cleaning module further includes:

[0051] A second cleaning comb, which is arranged in the cartridge. The first cleaning brush and the second cleaning comb are arranged on the same side in the length direction of the filter screen, and the second cleaning comb can be in contact with the first cleaning brush to clean the dust on the first cleaning brush.

[0052] The above technical solution has at least the following effects: The first cleaning brush and the second cleaning comb are arranged on the same side in the length direction of the filter screen, so that it is convenient for the second cleaning comb to be in contact with the first cleaning brush, and further convenient for the second cleaning comb to clean the dust on the first cleaning brush, improving the cleaning effect on the first cleaning brush and preventing dust from accumulating on the first cleaning brush.

[0053] In some embodiments of the present application, the second cleaning comb includes:

[0054] A first base, which is arranged in the cartridge and is connected to the cartridge;

[0055] The first comb teeth are connected to the first base, and the first comb teeth are in staggered contact with the second bristles.

[0056] The above technical solution has at least the following effects: When the first cleaning brush rotates, the second cleaning comb does not rotate, and the first comb teeth are in staggered contact with the second bristles to facilitate brushing off the dust on the second bristles and prevent dust accumulation.

[0057] In some embodiments of the present application, the cleaning module further includes:

[0058] A first driving motor, the first driving motor is connected to the box body;

[0059] A first driving gear, the first driving gear is connected to the output shaft of the first driving motor;

[0060] A second driving gear, the second driving gear is connected to the first cleaning brush, and the second driving gear is in meshing transmission with the first driving gear;

[0061] A third driving gear, the third driving gear is connected to the first driving brush, and the third driving gear is in meshing transmission with the second driving gear;

[0062] The first driving motor drives the first driving gear to rotate, the first driving gear drives the second driving gear and the first cleaning brush to rotate, the second driving gear drives the third driving gear and the first driving brush to rotate, and the first driving brush drives the filter screen to move.

[0063] The above technical solution has the following advantages or beneficial effects: The first driving motor drives the output shaft to rotate to drive the first driving gear to rotate synchronously. The first driving gear drives the second driving gear and the first cleaning brush to rotate. The second driving gear drives the third driving gear and the first driving brush to rotate. The first driving brush drives the filter screen to move through frictional resistance. The first driving motor provides power for the movement of the filter screen.

[0064] In some embodiments of the present application, the recessed portion is located on one side in the length direction of the heat exchange air inlet. In the length direction of the heat exchange air inlet, the point on the recessed portion closest to the heat exchange air inlet is defined as the first end point, and the point on the recessed portion farthest from the heat exchange air inlet is defined as the second end point;

[0065] Define the connection line between the axis of the first driving brush and the first end point as the first connection line, define the connection line between the axis of the first driving brush and the second end point as the second connection line, and define the included angle between the first connection line and the second connection line as the first included angle a. The opening of the first included angle a faces the recessed portion, and the first included angle a is greater than or equal to 90° and less than or equal to 180°.

[0066] The above technical solution has at least the following effects: when the first included angle a is greater than or equal to 90°, the first included angle a can be prevented from being too small, so that the contact area between the filter screen and the first driving brush in the recess is not too small, which is beneficial to increasing the frictional resistance between the first driving brush and the filter screen and preventing the first driving brush from slipping when driving the filter screen to move.

[0067] When the first included angle a is less than or equal to 180°, the first included angle a can be prevented from being too large, so that the contact area between the filter screen and the first driving brush in the groove is not too large, and thus the frictional resistance between the filter screen and the first driving brush in the groove is not too large, which can avoid the problem that the first driving brush cannot rotate due to too large frictional resistance.

[0068] In some embodiments of the present application, the support frame includes:

[0069] A raised rib, which is arranged in the recess, is connected to the recess, extends in a direction close to the first driving brush, and contacts the filter screen so that there is a gap between the filter screen and the recess.

[0070] The above technical solution has at least the following effects: the raised rib protrudes and extends in a direction close to the first driving brush, and contacts the filter screen so that there is a gap between the filter screen and the recess. The gap between the filter screen and the recess allows part of the first driving brush to pass through the filter screen, which is convenient for increasing the frictional resistance between the filter screen and the first driving brush, facilitating the first driving brush to drive the filter screen to rotate, and improving the cleaning efficiency and transmission reliability of the filter screen.

[0071] The effects of the present utility model are not limited to the above-mentioned effects, and those skilled in the art can clearly understand other effects not mentioned from the records of the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0072] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can obtain other drawings without creative efforts based on these drawings.

[0073] Figure 1 is a structural diagram of an air conditioner according to an embodiment of the present application;

[0074] Figure 2 is a schematic diagram of the refrigerant circuit of an air conditioner according to an embodiment of the present application;

[0075] Figure 3It is a structural diagram of an air conditioner indoor unit according to an embodiment of the present application;

[0076] Figure 4 It is a diagram showing the installation position of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0077] Figure 5 It is the structure of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application Figure 1 ;

[0078] Figure 6 It is the structure of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application Figure 2 ;

[0079] Figure 7 It is the structure of the support frame of the air conditioner indoor unit according to an embodiment of the present application Figure 1 ;

[0080] Figure 8 It is Figure 7 The sectional view taken along the A-A direction in

[0081] Figure 9 It is the structure of the support frame of the air conditioner indoor unit according to an embodiment of the present application Figure 2 ;

[0082] Figure 10 It is Figure 9 The sectional view taken along the B-B direction in

[0083] Figure 11 It is the structure of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application Figure 3 ;

[0084] Figure 12 It is a diagram showing the position of the first driving brush and the support frame of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0085] Figure 13 It is a diagram showing the transmission relationship of the first driving motor of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0086] Figure 14 It is a schematic diagram showing the position of the first cleaning comb of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0087] Figure 15 It is a diagram showing the position of the first cleaning comb and the first cleaning brush of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0088] Figure 16 It is a schematic diagram showing the installation position of the first driving brush and the first cleaning brush of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0089] Figure 17 It is a schematic diagram of the disassembly of the first air inlet grille and the second air inlet grille of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0090] Figure 18 It is a schematic diagram of the transmission relationship of the filter screen of the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0091] Figure 19 It is a schematic diagram of the first driving brush driving the filter screen to rotate in the cleaning module of the air conditioner indoor unit according to an embodiment of the present application;

[0092] Figure 20 It is a schematic diagram of the position of the first included angle in the cleaning module of the air conditioner indoor unit according to an embodiment of the present application.

[0093] Reference signs: air conditioner 1000, air conditioner indoor unit 100, indoor heat exchanger 1001, air conditioner outdoor unit 200, compressor 201, outdoor heat exchanger 202, throttling device 204; housing 11; heat exchange air inlet 111; heat exchange air outlet 112; cleaning module 12; filter screen 121; support frame 125; recessed part 1252; protruding rib 1253; box body 126; first cleaning brush 127; second driving roller 1273; second brush hair 1274; dust collection box 128; first driving brush 1207; first driving roller 12071; first brush hair 12072; first steering column 12081; second steering column 12082; second cleaning comb 1209; first base 12091; first comb teeth 12092; first driving motor 12001; first driving gear 12002; second driving gear 12003; third driving gear 12004; first air inlet grille 12005; second air inlet grille 12006. Detailed implementation manners

[0094] Next, some embodiments of the present disclosure will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments provided by the present disclosure fall within the protection scope of the present disclosure.

[0095] This embodiment provides an air conditioner indoor unit, which will be described below with reference to Figures 1 - 20 Describe the air conditioner indoor unit.

[0096] The air conditioner indoor unit 100 is a component of the air conditioner. Among them, the air conditioner further includes an air conditioner outdoor unit 200.

[0097] See Figures 1 - 3, the air conditioner 1000 may include an air conditioner indoor unit 100 and an air conditioner outdoor unit 200. The air conditioner indoor unit 100 is installed in the indoor space. The air conditioner outdoor unit 200 is installed in the outdoor space for heat exchange with the outdoor environment.

[0098] The air conditioner indoor unit 100 includes a main body. The main body has a bottom and a top. The direction from the bottom to the top of the main body is the height direction of the main body. The main body also has a length direction, where the direction from one side to the other side of the main body in the left-right direction is the length direction of the main body. The main body has a front side and a rear side that are oppositely arranged. Among them, the side of the main body facing the user is the front side of the main body, and the direction from the front side to the rear side of the main body is the front-rear direction of the main body.

[0099] The main body may include a housing 11. The housing 11 is arranged in the indoor space. The housing 11 has a front side and a rear side that are oppositely arranged. Among them, the side of the housing 11 facing the user is the front side of the housing 11.

[0100] The main body may include a heat exchange air inlet 111. The heat exchange air inlet 111 is arranged at the top of the housing 11. When cooling or heating, indoor air can enter the interior of the housing 11 through the heat exchange air inlet 111.

[0101] The main body may include a first chamber. The first chamber is arranged inside the housing 11. The first chamber is connected to the heat exchange air inlet 111, and indoor air can enter the first chamber through the heat exchange air inlet 111.

[0102] The main body may include a heat exchange air outlet 112. The heat exchange air outlet 112 is arranged at the bottom of the housing 11. The first chamber is respectively connected to the heat exchange air inlet 111 and the heat exchange air outlet 112. When cooling or heating, indoor air flows into the first chamber through the heat exchange air inlet 111 and then flows into the room through the heat exchange air outlet 112.

[0103] The main body may include an indoor heat exchanger 1001. The indoor heat exchanger 1001 is arranged in the first chamber and is used for heat exchange with the indoor air entering the first chamber.

[0104] In some embodiments, the main body may include a heat exchange fan. The heat exchange fan is arranged in the first chamber. The fan can be used to drive indoor air to enter the first chamber through the heat exchange air inlet 111, then flow through the indoor heat exchanger 1001, and then flow into the room through the heat exchange air outlet 112. It can be set that the fan is arranged on the leeward side of the indoor heat exchanger 1001 to reduce the resistance of the indoor heat exchanger 1001 to air flow and increase the air intake volume into the room.

[0105] The fan may include a motor and a fan. The drive shaft of the motor is connected to the fan, and the fan is driven by the motor to rotate to drive the air flow in the first chamber.

[0106] In some embodiments, the outdoor unit 200 of the air conditioner is disposed in an outdoor space. The outdoor unit 200 of the air conditioner includes a housing. A second chamber is provided inside the housing. An outdoor air inlet and an outdoor air outlet are provided on the housing. The outdoor air inlet is in communication with the outdoor space and the second chamber, and the outdoor air outlet is in communication with the outdoor space and the second chamber.

[0107] In some embodiments, an outdoor heat exchanger 202 is provided inside the housing. A refrigerant flows through the outdoor heat exchanger 202. The refrigerant in the outdoor heat exchanger 202 can be used to exchange heat with the air that enters the second chamber and flows through the outdoor heat exchanger 202.

[0108] In some embodiments, a compressor 201 is provided inside the housing. The compressor 201 is disposed in the second chamber and is installed at the bottom of the outdoor unit 200 of the air conditioner.

[0109] In some embodiments, the outdoor unit 200 of the air conditioner may include a throttling device 204. The throttling device 204 is disposed in the second chamber and is used to expand the liquid-phase refrigerant in a high-temperature and high-pressure state into a low-pressure liquid-phase refrigerant. The throttling device 204 may be disposed on the leeward side of the outdoor heat exchanger 202, which is convenient for connection with the compressor 201.

[0110] The air conditioner 1000 performs the refrigeration cycle of the air conditioner 1000 by using the compressor 201, the outdoor heat exchanger 202, the throttling device 204, and the indoor heat exchanger 1001. The refrigeration cycle includes a series of processes, involving compression, condensation, expansion, and evaporation, and supplies the refrigerant to the air that has been conditioned and heat-exchanged.

[0111] The compressor 201 compresses the refrigerant gas in a low-temperature and low-pressure state and discharges the refrigerant gas in a high-temperature and high-pressure state. The discharged refrigerant gas flows into the outdoor heat exchanger 202.

[0112] The outdoor heat exchanger 202 condenses the compressed refrigerant into a liquid phase, and the heat is released to the surrounding environment through the condensation process.

[0113] The throttling device 204 expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the outdoor heat exchanger 202 into a low-pressure liquid-phase refrigerant.

[0114] The indoor heat exchanger 1001 evaporates the refrigerant expanded in the throttling device 204 and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor 201.

[0115] The indoor heat exchanger 1001 can achieve a refrigeration effect by using the latent heat of evaporation of the refrigerant to exchange heat with the material to be cooled. Throughout the cycle, the air conditioner 1000 can adjust the temperature of the indoor space.

[0116] In both the indoor heat exchanger 1001 and the outdoor heat exchanger 202, one of them is a condenser and the other is an evaporator. When the indoor heat exchanger 1001 is used as a condenser and the outdoor heat exchanger 202 is used as an evaporator, the air conditioner 1000 functions as a heater in the heating mode. When the indoor heat exchanger 1001 is used as an evaporator and the outdoor heat exchanger 202 is used as a condenser, the air conditioner 1000 functions as a cooler in the cooling mode.

[0117] Reference Figures 3 - 10 , in some embodiments, the main body may further include a cleaning module 12. The cleaning module 12 is disposed corresponding to the heat exchange air inlet 111, and the cleaning module 12 is used to clean the dust on the filter screen 121.

[0118] In some embodiments, the cleaning module 12 may include a support frame 125, and the support frame 125 is disposed corresponding to the heat exchange air inlet.

[0119] The part of the support frame 125 corresponding to the heat exchange air inlet 111 is provided with a hollow structure, so that indoor air can pass through the support frame 125 through the heat exchange air inlet 111 and flow to the heat exchange air outlet 112.

[0120] In some embodiments, the cleaning module 12 may include a filter screen 121. The filter screen 121 is disposed corresponding to the heat exchange air inlet 111, and air can flow through the heat exchange air inlet 111, the filter screen 121 and the support frame 125 and flow out through the heat exchange air outlet 112.

[0121] In some embodiments, the filter screen 121 is disposed around the support frame 125 along the length direction of the main body, and the shape of the filter screen 121 can be set as a ring.

[0122] In some embodiments, the cleaning module 12 may include a first driving brush 1207. The first driving brush 1207 is disposed outside the filter screen 121, and the first driving brush 1207 is used to drive the filter screen 121 to rotate.

[0123] The first driving brush 1207 is in contact with the filter screen 121 so that there is a frictional resistance between the first driving brush 1207 and the filter screen 121. When the first driving brush 1207 rotates, it can drive the filter screen 121 to rotate synchronously through frictional transmission, and the filter screen 121 can move around the support frame 125.

[0124] In some embodiments, the cleaning module 12 may include a first cleaning brush 127. The first cleaning brush 127 is disposed outside the filter screen 121, the first cleaning brush 127 is in contact with the filter screen 121, and the first cleaning brush 127 is used to brush off the dust on the filter screen 121.

[0125] When the filter screen 121 operates driven by the first driving brush 1207, the first cleaning brush 127 can rotate relative to the filter screen 121, and the first cleaning brush 127 can brush off the dust on the filter screen 121, thereby cleaning the filter screen 121.

[0126] In some embodiments, the support frame 125 may include a recessed portion 1252 that recesses inwardly into the support frame 125.

[0127] The recessed portion 1252 is adapted to the first driving brush 1207, at least part of the first driving brush 1207 is disposed in the recessed portion 1252 in a mating manner, at least part of the filter screen 121 is disposed between the recessed portion 1252 and the first driving brush 1207, the filter screen 121 disposed between the recessed portion 1252 and the first driving brush 1207 is disposed around the periphery of the first driving brush 1207, and the first driving brush 1207 abuts against the filter screen 121 to drive the filter screen 121 to rotate.

[0128] At least part of the filter screen 121 is disposed between the recessed portion 1252 and the first driving brush 1207, and the first driving brush 1207 abuts against the filter screen 121, which can increase the contact area between the first driving brush 1207 and the filter screen 121, thereby increasing the frictional resistance between the first driving brush 1207 and the filter screen 121, and preventing the first driving brush 1207 from slipping between the first driving brush 1207 and the filter screen 121 when the first driving brush 1207 rotates, and preventing the transmission and cleaning effects of the filter screen 121 from being affected.

[0129] In some embodiments, in the projection in the length direction of the main body, the recessed portion 1252 and the first driving brush 1207 at least partially overlap, so that the first driving brush 1207 can contact the filter screen 121 in the recessed portion 1252.

[0130] Since the filter screen 121 is disposed around the support frame 125 and the recessed portion 1252, in the projection in the length direction of the main body, the recessed portion 1252 and the first driving brush 1207 at least partially overlap, that is, at least part of the first driving brush 1207 is disposed in the recessed portion 1252, which can make the first driving brush 1207 contact the filter screen 121 disposed in the recessed portion 1252, and part of the filter screen 121 can abut against and extend along the periphery of the first driving brush 1207, so as to increase the contact area between the first driving brush 1207 and the filter screen 121, thereby increasing the frictional resistance between the first driving brush 1207 and the filter screen 121, and preventing the first driving brush 1207 from slipping between the first driving brush 1207 and the filter screen 121 when the first driving brush 1207 rotates, and preventing the transmission and cleaning effects of the filter screen 121 from being affected.

[0131] In some embodiments, the first driving brush 1207 may include a first driving roller 12071. At least a part of the first driving roller 12071 is disposed in the recess 1252. The first driving roller 12071 is generally cylindrical in shape and can rotate about its axis.

[0132] See Figures 6 - 14 , in some embodiments, the first driving brush 1207 may include first bristles 12072. The first bristles 12072 are disposed on the surface of the first driving roller 12071. The first bristles 12072 contact the filter screen 121 and drive the filter screen 121 to rotate.

[0133] In some embodiments, the first driving roller 12071 rotates to drive the first bristles 12072 to rotate, and the first bristles 12072 can drive the filter screen 121 to rotate.

[0134] The first bristles 12072 are uniformly distributed on the surface of the first driving roller 12071. The first bristles 12072 can penetrate the filter screen 121 to increase the frictional resistance between the first bristles 12072 and the filter screen 121, that is, increase the frictional resistance between the first driving brush 1207 and the filter screen 121, which can avoid slipping during the transmission between the first driving brush 1207 and the filter screen 121, and can improve the transmission efficiency and cleaning efficiency of the filter screen 121.

[0135] In some embodiments, the cleaning module 12 may include a first steering column 12081. The first steering column 12081 is disposed inside the filter screen 121. The first steering column 12081 abuts against the filter screen 121 and can rotate relative to the filter screen 121.

[0136] The first steering column 12081 is rotatably connected to the first end of the support frame 125, and the filter screen 121 is disposed around the periphery of the first steering column 12081.

[0137] In some embodiments, the cleaning module 12 may include a second steering column 12082. The second steering column 12082 is disposed inside the filter screen 121. The second steering column 12082 abuts against the filter screen 121 and can rotate relative to the filter screen 121.

[0138] The second steering column 12082 is rotatably connected to the second end of the support frame 125. The first end and the second end of the support frame 125 are the opposite ends of the support frame 125 respectively, and the filter screen 121 is disposed around the periphery of the second steering column 12082.

[0139] The second steering column 12082 and the first steering column 12081 are respectively arranged at opposite ends of the support frame 125 to support the filter screen 121. When the first driving brush 1207 drives the filter screen 121 to rotate, the first steering column 12081 and the second steering column 12082 rotate relative to the support frame 125, so as to reduce the frictional resistance between the filter screen 121 and the first steering column 12081 and the second steering column 12082, which facilitates the rotation of the filter screen 121 and avoids the filter screen 121 slipping relative to the first driving brush 1207 due to excessive frictional resistance.

[0140] In some embodiments, the cleaning module 12 may further include a box body 126. Openings may be provided at the bottom and side of the box body 126. The first driving brush 1207 and the first cleaning brush 127 are arranged inside the box body 126. At least part of the filter screen 121 passes through the opening on the side of the box body 126 and is arranged inside the box body 126. The first driving brush 1207 and the first cleaning brush 127 are respectively rotatably connected to the box body 126. The box body 126 plays a role in supporting and connecting the first driving brush 1207 and the first cleaning brush 127, which is beneficial to the normal operation of the cleaning module.

[0141] In some embodiments, the first cleaning brush 127 may include a second driving roller 1273. The second driving roller 1273 is arranged below the filter screen 121 and is rotatably connected to the box body 126.

[0142] The second driving roller 1273 is generally arranged in a cylindrical shape. The two axial ends of the second driving roller 1273 are respectively rotatably connected to the box body 126, and the second driving roller 1273 can rotate around its axis.

[0143] In some embodiments, the first cleaning brush 127 may include second bristles 1274. The second bristles 1274 are arranged on the surface of the second driving roller 1273 and are in contact with the filter screen 121.

[0144] In some embodiments, the second driving roller 1273 rotates to drive the second bristles 1274 to rotate. The second bristles 1274 can contact the filter screen 121 and move relative to the filter screen 121.

[0145] The second bristles 1274 are evenly distributed on the surface of the second driving roller 1273. The first cleaning brush 127 can rotate in the opposite direction to the moving direction of the filter screen 121, thereby improving the cleaning effect of the first cleaning brush 127 on the filter screen 121 and preventing dust from accumulating on the first cleaning brush 127.

[0146] See Figure 15, in some embodiments, the cleaning module 12 may include a second cleaning comb 1209. The second cleaning comb 1209 is disposed within the cartridge 126 and may be fixedly connected to the cartridge 126. The first cleaning brush 127 and the second cleaning comb 1209 are disposed on the same side in the length direction of the filter screen 121, so as to facilitate the contact between the second cleaning comb 1209 and the first cleaning brush 127. The second cleaning comb 1209 may contact the first cleaning brush 127 to clean the dust on the first cleaning brush 127.

[0147] In some embodiments, the second cleaning comb 1209 may include a first base 12091. The first base 12091 is disposed within the cartridge 126 and is fixedly connected to the cartridge 126 to prevent the first base 12091 from rotating under force. The material of the first base 12091 may be plastic and is formed by an injection molding process.

[0148] In some embodiments, the second cleaning comb 1209 may include first comb teeth 12092. The first comb teeth 12092 are connected to the first base 12091.

[0149] In some embodiments, the first comb teeth 12092 and the first base 12091 are integrally formed.

[0150] In some embodiments, the material of the first comb teeth 12092 may be plastic, and the first comb teeth 12092 and the first base 12091 are integrally injection molded by an injection molding process.

[0151] The first comb teeth 12092 may include a plurality of comb teeth, and the plurality of comb teeth are arranged extending along the length direction of the first base 12091.

[0152] When the first cleaning brush 127 rotates, the second cleaning comb 1209 does not rotate. In the rotating state of the first cleaning brush 127, the first comb teeth 12092 intersect and contact the second bristles 1274 to brush off the dust on the second bristles 1274 and prevent dust accumulation.

[0153] See Figure 5 , in some embodiments, a dust collection box 128 is provided in the cartridge 126. The dust collection box is located below the first cleaning brush 127, so as to facilitate the dust brushed off by the first cleaning brush 127 to fall into the dust collection box 128.

[0154] The top of the dust collection box 128 is provided with an opening, and the dust collection box 128 is communicated with the bottom of the cartridge 126 through the opening, so as to facilitate the dust to fall into the dust collection box 128.

[0155] The dust collection box 128 can be taken out by pulling, which is convenient for the user to pull out the dust collection box 128 and clean the dust in the dust collection box 128.

[0156] In some embodiments, the first cleaning brush 127 is disposed on a side of the first driving brush 1207 away from the heat exchange air inlet, so as to brush off the dust on the filter screen 121 at an end close to the indoor unit of the air conditioner, and to facilitate the setting of the dust collection box 128 at the end of the indoor unit of the air conditioner, which can save the space occupied inside the indoor unit of the air conditioner, improve the space utilization rate, and further reduce the size of the indoor unit of the air conditioner in the length direction, making the indoor unit of the air conditioner smaller and more beautiful.

[0157] See Figures 6 - 19 , in some embodiments, the cleaning module 12 may include a first driving motor 12001, and the first driving motor 12001 is fixedly connected to the box body 126. The first driving motor 12001 is provided with an output shaft, and the first driving motor 12001 can drive its output shaft to rotate.

[0158] In some embodiments, the cleaning module 12 may include a first driving gear 12002, and the first driving gear 12002 is connected to the output shaft of the first driving motor 12001.

[0159] The axis of the first driving gear 12002 is fixedly connected to the output shaft of the first driving motor 12001, and the first driving motor 12001 can drive its output shaft to drive the first driving gear 12002 to rotate synchronously.

[0160] In some embodiments, the cleaning module 12 may include a second driving gear 12003, and the second driving gear 12003 is connected to an axial end of the first cleaning brush 127. The second driving gear 12003 is in meshing transmission with the first driving gear 12002. When the first driving gear 12002 rotates, it drives the second driving gear 12003 to rotate, and the second driving gear 12003 drives the first cleaning brush 127 to rotate synchronously.

[0161] In some embodiments, the cleaning module 12 may include a third driving gear 12004, and the third driving gear 12004 is connected to an axial end of the first driving brush 1207. The third driving gear 12004 is in meshing transmission with the second driving gear 12003. When the second driving gear 12003 rotates, it drives the third driving gear 12004 to rotate, and the third driving gear 12004 rotates to drive the first driving brush 1207 to rotate synchronously.

[0162] The first driving motor 12001 drives the output shaft to rotate to drive the first driving gear 12002 to rotate synchronously. The first driving gear 12002 drives the second driving gear 12003 and the first cleaning brush 127 to rotate. The second driving gear 12003 drives the third driving gear 12004 and the first driving brush 1207 to rotate. The first driving brush 1207 drives the filter screen 121 to move through frictional resistance.

[0163] The first driving brush 1207 rotates clockwise, and through frictional resistance, the first driving brush 1207 drives the filter screen 121 to rotate counterclockwise around the support frame 125, so as to rotate the filter screen 121 into contact with the first cleaning brush 127 to clean the filter screen 121. The first cleaning brush 127 rotates counterclockwise, and the rotation direction of the first cleaning brush 127 is opposite to the rotation direction of the filter screen 121, which can increase the frictional resistance between the first cleaning brush 127 and the filter screen 121, thereby improving the cleaning effect of the first cleaning brush on the filter screen 121.

[0164] See Figure 20 , in some embodiments, the recess 1252 is located on one side in the length direction of the heat exchange air inlet. In the length direction of the heat exchange air inlet, the point on the recess closest to the heat exchange air inlet is defined as the first end point b, and the point on the recess 1252 farthest from the heat exchange air inlet is defined as the second end point c.

[0165] Define the connection line between the axis O of the first driving brush 1207 and the first end point b as the first connection line, define the connection line between the axis O of the first driving brush 1207 and the second end point c as the second connection line, and define the included angle between the first connection line and the second connection line as the first included angle a. The opening of the first included angle a faces the recess 1252, and the first included angle a is greater than or equal to 90° and less than or equal to 180°. When the first included angle a is greater than or equal to 90°, it can ensure that the first included angle a is not too small, so that the contact area between the filter screen 121 and the first driving brush 1207 in the recess 1252 is not too small, which is beneficial to increasing the frictional resistance between the first driving brush 1207 and the filter screen 121 and preventing the first driving brush 1207 from slipping when driving the filter screen 121 to move.

[0166] If the first included angle a is less than 90°, the contact area between the filter screen 121 and the first driving brush 1207 in the recess 1252 will be too small, the frictional resistance between the first driving brush 1207 and the filter screen 121 will be small, and then the first driving brush 1207 will slip when driving the filter screen 121 to move, and the filter screen 121 cannot be effectively driven to rotate.

[0167] When the first included angle a is less than or equal to 180°, it can ensure that the first included angle a is not too large, so that the contact area between the filter screen 121 and the first driving brush 1207 in the groove is not too large, and then the frictional resistance between the filter screen 121 and the first driving brush 1207 in the groove is not too large, which can avoid the problem that the first driving brush 1207 cannot rotate due to excessive frictional resistance.

[0168] When the first included angle a is greater than 180°, the first included angle a can be too large, which can cause the contact area between the filter screen 121 and the first driving brush 1207 in the groove to be too large, resulting in too large frictional resistance between the filter screen 121 and the first driving brush 1207 in the groove. As a result, the problem that the rotation torque of the first driving brush 1207 is too large due to excessive frictional resistance and it cannot rotate will occur.

[0169] See Figures 6 - 19 , in some embodiments, the support frame 125 may include a raised rib 1253. The raised rib 1253 is disposed in the recessed portion 1252. The raised rib 1253 is connected to the recessed portion 1252, and the raised rib 1253 may be integrally formed with the support frame 125.

[0170] The raised rib 1253 protrudes and extends towards the direction close to the first driving brush 1207. The raised rib 1253 contacts the filter screen 121 so that there is a gap between the filter screen 121 and the recessed portion 1252. The gap between the filter screen 121 and the recessed portion 1252 enables the first bristles 12072 on the first driving brush 1207 to easily penetrate the filter screen 121. At least part of the first bristles 12072 can penetrate into the gap between the filter screen 121 and the recessed portion 1252, which is conducive to increasing the frictional resistance between the filter screen 121 and the first bristles 12072, facilitating the first driving brush 1207 to drive the filter screen 121 to rotate, and improving the cleaning efficiency and transmission reliability of the filter screen 121.

[0171] In some embodiments, the cleaning module 12 may include a first air inlet grille 12005. The first air inlet grille 12005 is connected to the support frame 125. The first air inlet grille 12005 is disposed on the top of the support frame 125, and the first air inlet grille 12005 is detachably connected to the support frame 125.

[0172] The first air inlet grille 12005 is located on the top of the filter screen 121. The first air inlet grille 12005 can restrict the filter screen 121 to prevent the filter screen 121 from detaching from the support frame 125.

[0173] The connection manner between the first air inlet grille 12005 and the support frame 125 can be a snap connection.

[0174] The cleaning module 12 may include a second air inlet grille 12006. The second air inlet grille 12006 is disposed at the bottom of the support frame 125, and the second air inlet grille 12006 is detachably connected to the support frame 125.

[0175] The second air inlet grille 12006 is located at the bottom of the filter screen 121. The second air inlet grille 12006 can restrict the filter screen 121 to prevent the filter screen 121 from detaching from the support frame 125.

[0176] The connection between the second air inlet grille 12006 and the support frame 125 can be a snap connection.

[0177] The filter screen 121 is restricted between the first air inlet grille 12005 and the second air inlet grille 12006, which can prevent the filter screen 121 from falling off.

[0178] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0179] In the present invention, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or communicable with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0180] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as a limitation to the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

[0181] In the present invention, the terms "first", "second", "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third" may explicitly or implicitly include one or more of such features.

[0182] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0183] As used herein, the use of "configured to" or "adapted to" means open and inclusive language that does not exclude devices that are configured to or adapted to perform additional tasks or steps.

[0184] As used herein, "about", "substantially" or "approximately" includes the stated value and the average value within an acceptable deviation range of the specific value, where the acceptable deviation range is determined by a person of ordinary skill in the art considering the measurement being discussed and the errors associated with the measurement of the specific quantity (i.e., the limitations of the measurement system).

[0185] As used herein, "parallel", "perpendicular", "equal" include the stated situations and situations similar to the stated situations, and the range of the similar situations is within an acceptable deviation range, where the acceptable deviation range is determined by a person of ordinary skill in the art considering the measurement being discussed and the errors associated with the measurement of the specific quantity (i.e., the limitations of the measurement system). For example, "parallel" includes absolute parallelism and approximate parallelism, where the acceptable deviation range of approximate parallelism may be, for example, within 5° deviation; "perpendicular" includes absolute perpendicularity and approximate perpendicularity, where the acceptable deviation range of approximate perpendicularity may also be, for example, within 5° deviation. "Equal" includes absolute equality and approximate equality, where the acceptable deviation range of approximate equality may be, for example, that the difference between the two equal values is less than or equal to 5% of either one of them.

[0186] In the present utility model, the terms "an embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0187] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. An air conditioner indoor unit, characterized in that, Comprising: A main body, the direction from the bottom to the top of the main body being the height direction of the main body, and the direction from the left side to the right side of the main body being the length direction of the main body; The main body includes: A casing; A heat exchange air inlet formed at the top of the casing; A heat exchange air outlet formed at the bottom of the casing; A cleaning module, the cleaning module being arranged corresponding to the heat exchange air inlet, and the cleaning module includes: A support frame arranged corresponding to the heat exchange air inlet; A filter screen, the filter screen being arranged around the support frame along the length direction of the main body; A first driving brush arranged on the outer side of the filter screen, the first driving brush being in contact with the filter screen so that frictional transmission is carried out between the first driving brush and the filter screen, and the first driving brush is used to drive the filter screen to rotate; A first cleaning brush arranged on the outer side of the filter screen, the first cleaning brush being in abutment with the filter screen, and the first cleaning brush is used to brush off the dust on the filter screen; Wherein, the support frame includes: A recessed portion, the recessed portion being recessed towards the inside of the support frame; At least part of the first driving brush is arranged in the recessed portion, at least part of the filter screen is arranged between the recessed portion and the first driving brush and is in abutment with the first driving brush, and the first driving brush abuts against the filter screen to drive the filter screen to rotate.

2. An air conditioner indoor unit, characterized in that, Comprising: A main body, the direction from the bottom to the top of the main body being the height direction of the main body, and the direction from the left side to the right side of the main body being the length direction of the main body; The main body includes: A casing; A heat exchange air inlet formed at the top of the casing; A heat exchange air outlet formed at the bottom of the casing; A cleaning module, the cleaning module being arranged corresponding to the heat exchange air inlet, and the cleaning module includes: A support frame arranged corresponding to the heat exchange air inlet; A filter screen, the filter screen being arranged around the support frame along the length direction of the main body; A first driving brush arranged on the outer side of the filter screen, the first driving brush being in contact with the filter screen, and the first driving brush rotates to drive the filter screen to rotate through friction; A first cleaning brush arranged on the outer side of the filter screen, the first cleaning brush being in abutment with the filter screen, and the first cleaning brush is used to brush off the dust on the filter screen; Wherein, the support frame includes: A recessed portion, the recessed portion being recessed towards the inside of the support frame; In the projection in the length direction of the main body, at least part of the first driving brush coincides with the recessed portion.

3. The indoor air conditioner according to claim 1 or 2, wherein The cleaning module includes: A first steering column arranged on the inner side of the filter screen, the first steering column being in abutment with the filter screen and capable of rotating relative to the filter screen; A second steering column arranged on the inner side of the filter screen, the second steering column being in abutment with the filter screen and capable of rotating relative to the filter screen; The second steering column and the first steering column are respectively arranged at opposite ends of the support frame to support the filter screen.

4. The indoor air conditioner according to claim 1 or 2, wherein The cleaning module further includes: A box body, and the first driving brush and the first cleaning brush are arranged inside the box body; At least a part of the filter screen is arranged inside the box body, and the first driving brush and the first cleaning brush are respectively rotatably connected to the box body.

5. The indoor air conditioner according to claim 4, wherein The first cleaning brush includes: A second driving roller, the second driving roller is arranged below the filter screen, and the second driving roller is rotatably connected to the box body; Second bristles, arranged on the surface of the second driving roller, and the second bristles are in contact with the filter screen; The rotation direction of the second driving roller is opposite to the rotation direction of the filter screen.

6. The indoor air conditioner according to claim 5, wherein The cleaning module further includes: A second cleaning comb, arranged inside the box body, the first cleaning brush and the second cleaning comb are arranged on the same side in the length direction of the filter screen, and the second cleaning comb can be in contact with the first cleaning brush to clean the dust on the first cleaning brush.

7. The indoor air conditioner according to claim 6, wherein The second cleaning comb includes: A first base, arranged inside the box body, and the first base is connected to the box body; First comb teeth, connecting the first base; When the first cleaning brush is in a rotating state, the first comb teeth intersect and contact the second bristles to brush off the dust on the second bristles.

8. The indoor air conditioner according to claim 4, wherein The cleaning module further includes: A first driving motor, the first driving motor is connected to the box body; A first driving gear, the first driving gear is connected to the output shaft of the first driving motor; A second driving gear, the second driving gear is connected to the first cleaning brush, and the second driving gear meshes with the first driving gear for transmission; A third driving gear, the third driving gear is connected to the first driving brush, and the third driving gear meshes with the second driving gear for transmission; The first driving motor drives the first driving gear to rotate, the first driving gear drives the second driving gear and the first cleaning brush to rotate, the second driving gear drives the third driving gear and the first driving brush to rotate, and the first driving brush drives the filter screen to move.

9. The indoor air conditioner according to claim 1 or 2, wherein The recessed part is located on one side in the length direction of the heat exchange air inlet. In the length direction of the heat exchange air inlet, the point on the recessed part closest to the heat exchange air inlet is defined as the first end point, and the point on the recessed part farthest from the heat exchange air inlet is defined as the second end point; Define the connection line between the axis of the first driving brush and the first end point as the first connection line, define the connection line between the axis of the first driving brush and the second end point as the second connection line, define the included angle between the first connection line and the second connection line as the first included angle a, the opening of the first included angle a faces the recessed part, and the first included angle a is greater than or equal to 90° and less than or equal to 180°.

10. The indoor air conditioner according to claim 1 or 2, wherein The support frame includes: The raised rib is arranged in the recessed part, the raised rib is connected to the recessed part, the raised rib extends in the direction close to the first driving brush, and the raised rib contacts the filter screen so that there is a gap between the filter screen and the recessed part.

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