CN115076848A

CN115076848A - Air conditioner

Info

Publication number: CN115076848A
Application number: CN202210605080.8A
Authority: CN
Inventors: 李涛; 刘丙磊; 孙川川; 韩涛
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-20

Abstract

The invention relates to the technical field of air conditioners, and particularly provides an air conditioner. In order to solve the problem of poor cleaning effect of the dust filtering net of the air conditioner in the prior art, the air conditioner comprises an air conditioner housing and a water tank assembly, wherein the dust filtering net is arranged in the air conditioner housing, the water tank assembly comprises a water tank shell, a rotary drum and a cleaning roller which are fixedly arranged, and the rotary drum and the cleaning roller are both rotatably arranged in the water tank shell; the dust filter net is provided with a first transmission structure, and the air conditioner housing is provided with a second transmission structure matched with the first transmission structure, so that the dust filter net can move back and forth between the air conditioner housing and the roller; the roller is arranged to wind the dust filter screen on the outer surface of the roller, and the end part of the cleaning roller is contacted with the outer surface of the dust filter screen; a water inlet pipe is arranged in the roller, and a water permeable hole is arranged on the roller. According to the invention, dust and flocks on the dust filter screen are washed from inside to outside through high-pressure water flow in the roller, and the cleaning roller is matched with the cleaning roller to brush the outer surface of the dust filter screen.

Description

Air conditioner

Technical Field

The invention relates to the technical field of air conditioners, and particularly provides an air conditioner.

Background

The dust filtering net of the existing wall-mounted air conditioner can accumulate a lot of dust after being used for a long time, and most users can not dare even not to clean the air conditioner filtering net in the house of the users, so that the dust is always accumulated on the filtering net, on one hand, bacteria can be bred, the blown air is not clean, and the user experience is influenced; on the other hand, under the condition that the filter screen has more dust, the energy consumption is increased, the power consumption is increased, the refrigerating and heating effects are reduced, the temperature of an air conditioner compressor is easily increased, the air conditioner is easily stopped, and the normal use is influenced. The washing to the air conditioner dirt filtrating screen among the prior art is through setting up the water tank on the air conditioner, sets up the brush in the water tank, scrubs the surface of air conditioner dirt filtrating screen through the brush, but because firmly attached to on dirt filtrating screen such as the dust on dirt filtrating screen surface, batting, only be difficult to brush through the scrubbing of brush for the cleaning performance of air conditioner dirt filtrating screen is not good.

Accordingly, there is a need in the art for a new air conditioner to solve the problem of poor cleaning effect of the dust filter of the prior art air conditioner.

Disclosure of Invention

The present invention is directed to solve the above-mentioned problems, i.e., to solve the problem of the prior art that the cleaning effect of the dust filter of the air conditioner is not good.

In a first aspect, the invention provides an air conditioner, which comprises an air conditioner housing and a water tank assembly, wherein a dust filter screen is arranged in the air conditioner housing, the water tank assembly comprises a water tank shell, a rotary drum and a cleaning roller which are fixedly arranged, and the rotary drum and the cleaning roller are both rotatably arranged in the water tank shell; a first transmission structure is arranged on the dust filtering net, and a second transmission structure matched with the first transmission structure is arranged on the air conditioner housing, so that the dust filtering net can move between the air conditioner housing and the roller in a reciprocating manner; the drum is arranged to wind the dust screen on an outer surface of the drum, and an end of the cleaning roller is in contact with the outer surface of the dust screen; a water inlet pipe is arranged in the roller, and a water permeable hole is formed in the roller.

In the preferable technical scheme of the air conditioner, the first transmission structure is a rack, the second transmission structure is a transmission gear, and the transmission gear is rotatably arranged on the air conditioner cover casing.

In a preferred embodiment of the air conditioner, a tooth structure capable of meshing with the rack is provided along a circumferential direction of the drum.

In a preferred technical scheme of the air conditioner, a first guide rail groove is formed in the air conditioner housing, and the dust filter screen is located in the first guide rail groove.

In the preferable technical scheme of the air conditioner, a second guide rail groove is formed in the roller, the tooth structure is located in the second guide rail groove, a notch is formed in the second guide rail groove, and the dust filter screen enters the second guide rail groove through the notch.

In the preferable technical scheme of the air conditioner, the air conditioner further comprises a fixedly arranged water tank support, and the water tank shell is fixed on the water tank support.

In a preferred technical scheme of the air conditioner, the drain pipe is provided with an electromagnetic valve; and/or the water inlet pipe is connected with a water pump.

In the preferable technical scheme of the air conditioner, a plurality of high-pressure water spray holes are formed in the water inlet pipe; and/or the second transmission structure is connected with a first driving device; and/or the roller is connected with a second driving device; and/or a third drive is connected to the cleaning roller.

In a preferred embodiment of the air conditioner, a plurality of rubber scrapers are axially arranged on the outer surface of the cleaning roller, and the ends of the rubber scrapers can be abutted against the outer surface of the dust filter screen; and/or the outer surface of the cleaning roller is provided with bristles.

As can be understood by those skilled in the art, the air conditioner comprises an air conditioner cover and a water tank assembly, wherein a dust filter screen is arranged in the air conditioner cover, the water tank assembly comprises a water tank shell, a roller and a cleaning roller which are fixedly arranged, and the roller and the cleaning roller are both rotatably arranged in the water tank shell; the dust filter net is provided with a first transmission structure, and the air conditioner housing is provided with a second transmission structure matched with the first transmission structure so that the dust filter net can move back and forth between the air conditioner housing and the roller; the roller is arranged to wind the dust filter screen on the outer surface of the roller, and the end part of the cleaning roller is contacted with the outer surface of the dust filter screen; a water inlet pipe is arranged in the roller, and a water permeable hole is arranged on the roller.

When the air conditioner cleans the dust filter screen, the dust filter screen moves from the air conditioner housing to the roller through the matching structure of the first transmission structure and the second transmission structure, the roller rotates to wind the dust filter screen on the roller, the water inlet pipe is arranged inside the roller, the water permeable holes are formed in the roller, the high-pressure water flows wash the dust filter screen from inside to outside through the water permeable holes in the roller, and the end of the cleaning roller cleans the surface of the dust filter screen in a rolling manner. The air conditioner washes dust, lint and the like on the dust filter screen from inside to outside through the high-pressure water flow in the roller, and then the dust, the lint and the like are brushed on the outer surface of the dust filter screen by matching with the cleaning roller.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a structural view of an air conditioner of the present invention;

FIG. 2 is a block diagram of the water tank assembly of the present invention;

FIG. 3 is a block diagram of the cylinder and cleaning roller of the present invention;

FIG. 4 is a structural view of the drum of the present invention;

FIG. 5 is a cross-sectional perspective view of the air conditioner of the present invention;

fig. 6 is a front structural view in cross section of the air conditioner of the present invention;

FIG. 7 is a structural view of the air conditioning shroud of the present invention;

fig. 8 is a structural view of the dust filter of the present invention.

List of reference numerals:

1. an air conditioner housing; 11. a second transmission structure; 12. a first guide rail groove; 2. a water tank assembly; 21. a water tank housing; 22. a drum; 221. water permeable holes; 222. a tooth structure; 23. cleaning the roller; 231. a rubber blade; 24. a water inlet pipe; 241. high-pressure water spray holes; 25. a second guide rail groove; 251. a notch; 26. a drain pipe; 27. an electromagnetic valve; 28. a water pump; 291. a second driving device; 292. a third driving device; 3. a dust filter screen; 31. a first transmission structure.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the present application describes the wall-mounted air conditioner in detail, this is not restrictive, and the air conditioner of the present invention may be other types of air conditioners, such as a cabinet air conditioner, a central air conditioner, and the like, as long as the temperature adjusting device is provided with a dust filter.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, in order to solve the problem of poor cleaning effect of the dust filter of the air conditioner in the prior art, the air conditioner of the present invention includes an air conditioner housing 1 and a water tank assembly 2, and referring to fig. 2, fig. 3, fig. 5 and fig. 6, the dust filter 3 is disposed in the air conditioner housing 1, the water tank assembly 2 includes a water tank housing 21, a drum 22 and a cleaning roller 23 which are fixedly disposed, and the drum 22 and the cleaning roller 23 are both rotatably disposed in the water tank housing 21; the dust filtering net 3 is provided with a first transmission structure 31, and the air conditioner housing 1 is provided with a second transmission structure 11 matched with the first transmission structure 31, so that the dust filtering net 3 can move between the air conditioner housing 1 and the roller 22 in a reciprocating manner; the drum 22 is provided so as to be able to wind the dust filter net 3 around the outer surface of the drum 22, and the end of the cleaning roller 23 is in contact with the outer surface of the dust filter net 3; a water inlet pipe 24 is arranged in the roller 22, and a water permeable hole 221 is arranged on the roller 22.

The setting mode has the advantages that: when the air conditioner cleans the dust filter 3, the dust filter 3 moves from the air conditioner housing 1 to the roller 22 through the matching structure of the first transmission structure 31 and the second transmission structure 11, the roller 22 rotates to wind the dust filter 3 on the roller 22, the water inlet pipe 24 is arranged inside the roller 22, the roller 22 is provided with the water permeable holes 221, the dust filter 3 is washed from inside to outside by high-pressure water flow through the water permeable holes 221 on the roller 22, and the end of the cleaning roller 23 cleans the surface of the dust filter 3 in a rolling way. The air conditioner washes dust, lint and the like on the dust filter screen 3 from inside to outside through high-pressure water flow in the roller 22, and then the cleaning roller 23 is matched to scrub the outer surface of the dust filter screen 3, compared with the prior art that the dust filter screen 3 is washed from outside to inside, the air conditioner enables the dust, the lint and the like to be easily removed, the cleaning effect of the air conditioner dust filter screen 3 is greatly improved, and the use experience of a user is improved.

In a possible embodiment, referring to fig. 1 to 6, the air conditioner of the present invention includes an air conditioning casing 1 and a water tank assembly 2, a dust filter 3 is disposed in the air conditioning casing 1, the water tank assembly 2 includes a water tank bracket (not shown), a water tank housing 21, a drum 22 and a cleaning roller 23, the water tank housing 21 is fixed on the water tank bracket, the water tank bracket may be fixed on a wall of a user's home, or may be fixed on the air conditioning casing 1, or may be fixed on other components of the air conditioner outside the air conditioning casing 1, and thus, the fixing position of the water tank bracket is not limited at all, or the water tank housing 21 may be directly fixed without providing the water tank bracket, and a person skilled in the art may set the fixing position by himself or herself according to needs.

Referring to fig. 3 to 8, further, the drum 22 and the cleaning roller 23 are rotatably disposed in the water tank housing 21, first transmission structures 31 are disposed on two sides of the dust filter 3, respectively, and a second transmission structure 11 matched with the first transmission structure 31 is disposed on the air conditioner housing 1, preferably, the first transmission structure 31 is a rack, the second transmission structure 11 is a transmission gear, the transmission gear is connected to a first driving device, and the dust filter 3 moves on the air conditioner housing 1 by meshing the rack and the transmission gear; thereby enabling the dust filter 3 to reciprocate between the air-conditioning casing 1 and the drum 22. Further, referring to fig. 7, a first rail groove 12 is further formed in the air conditioning casing 1, and the dust filter net 3 is disposed in the first rail groove 12 so that the dust filter net 3 can move along the first rail groove 12. Further, the drum 22 is connected with a second driving device 291, referring to fig. 4, a tooth structure 222 capable of meshing with the rack is arranged along the circumferential direction of the drum 22, a second guide rail groove 25 is further arranged on the drum 22, the tooth structure 222 is located in the second guide rail groove 25, a gap capable of accommodating the dust filter 3 is formed between the drum 22 and the second guide rail groove 25, the second guide rail groove 25 is provided with a notch 251, the dust filter 3 enters the second guide rail groove 25 through the notch 251 when moving to the notch 251, so that the dust filter 3 can be wound on the outer surface of the drum 22 and the rack on the dust filter 3 meshes with the tooth structure 222, and the dust filter 3 is prevented from moving with the drum 22 when the drum 22 rotates; the circumference of the drum 22 is not less than the longitudinal width of the dust screen 3, so that the dust screen 3 is arranged entirely on the surface of the drum 22.

Further, with continued reference to fig. 6, the outer surface of the cleaning roller 23 is provided with a plurality of squeegees 231 in the axial direction, the ends of the squeegees 231 are capable of contacting the outer surface of the dust screen 3 disposed on the drum 22, and the cleaning roller 23 is connected with a third driving device 292; a water inlet pipe 24 is arranged in the drum 22, specifically, referring to fig. 3 and 5, the water inlet pipe 24 axially penetrates through the drum 22 and is fixed on the water tank shell 21, a plurality of high-pressure water spraying holes 241 are arranged on a part of the water inlet pipe 24 located in the drum 22, a water pump 28 is further connected to the water inlet pipe 24, the water pump 28 is located outside the water tank shell 21, a circular water permeable hole 221 is arranged on the drum 22, a water outlet pipe 26 is arranged at the bottom of the water tank shell 21, and an electromagnetic valve 27 is arranged on the water outlet pipe 26. It should be noted that the water permeable holes 221 on the drum 22 may be circular, square, polygonal, etc., and therefore, the shape of the water permeable holes 221 is not limited, and those skilled in the art can set the shape according to the needs.

Furthermore, the number of the dust filter nets 3 in the air conditioner is two, and the two dust filter nets 3 are arranged side by side. However, this is not restrictive, and the structure and number of the dust filter 3 may be set by those skilled in the art according to the needs, and accordingly, other structures of the air conditioner may be adjusted according to the structure and number of the dust filter 3. The first, second, and

third driving devices

291 and 292 are all electric motors, but the first, second, and

third driving devices

291 and 292 are not limited to any kind, and may be any other type of driving device such as a hydraulic motor as long as it can rotate a driving member, and those skilled in the art can set the driving device as needed.

In another embodiment, the second transmission structure 11 and the roller 22 may not be provided with the first driving device and the second driving device 291, and the functions of the present solution may also be implemented by manually rotating the first driving device and the second driving device, and a person skilled in the art may set the functions according to needs, and thus all will fall within the protection scope of the present solution.

The setting mode has the advantages that: when the air conditioner needs to clean the dust filter 3, the first driving device is controlled to drive the transmission gear to rotate, the rack on the dust filter 3 is meshed with the transmission gear, so that the dust filter 3 moves towards the roller 22 along the first guide rail groove 12, when the dust filter 3 moves to the notch 251 of the roller 22, the rack on the dust filter 3 is meshed with the tooth structure 222 on the roller 22, the transmission gear stops rotating, the second driving device 291 is controlled to drive the roller 22 to rotate, so that the dust filter 3 is wound on the roller 22 along the second guide rail groove 25, the rack is completely meshed with the tooth structure 222, the dust filter 3 is completely wound on the roller 22 and is firmly fixed on the roller 22, then the water pump 28 is controlled to be started, water is fed to the water inlet pipe 24, the high-pressure water jet holes 241 on the water inlet pipe 24 jet high-pressure water flow onto the roller 22, the high-pressure water flow washes the dust filter 3 from inside to outside through the water permeable holes 221 on the roller 22, the third driving device 292 is started, the cleaning roller 23 rotates, and the dust filter 3 is brushed by the high-pressure water flow impacting the dust filter 3 and then matching with the rubber scraper 231 on the cleaning roller 23, so that a better cleaning effect is achieved.

When the water in the tank case 21 reaches a certain level, the solenoid valve 27 is opened to discharge the dirty water. In addition, after the cleaning is finished, the high-rotation-speed operation of the roller 22 can be realized, water on the surface of the dust filter screen 3 is thrown out by means of centrifugal force, then the rotation speed of the roller 22 is reduced, the roller rotates anticlockwise, the rack on the dust filter screen 3 is matched with the transmission gear, and then the dust filter screen 3 is reversely fed back into the air conditioner housing 1 along the first guide rail groove 12, so that a cleaning process is finished. The high-pressure water flow sprayed out from the roller 22 can leach stubborn stains on the dust filter net 3, so that the cleaning effect is better, and the cleaning effect of the dust filter net 3 of the air conditioner is greatly improved.

In a possible embodiment, the water tank assembly 2 further comprises a circulating water pipe, in particular, the water discharge pipe 26 is provided with two outlets, and the water discharge pipe 26 is provided with a reversing valve so that the discharged water selectively flows out of one of the outlets. One end of the circulating water pipe is connected with one of the outlets of the drain pipes 26, the other end of the circulating water pipe is connected with the water inlet pipe 24, when the water tank assembly 2 cleans the dust filter screen 3, the circulating water pipe sends the washed water into the water inlet pipe 24 again, so that the circulating flushing of water flow is realized, and the water-saving effect is achieved. Further, a filter screen is provided between the circulating water pipe and the water inlet pipe 24, thereby preventing lint in the washing water from re-entering the water inlet pipe 24 to cause clogging of the water permeable holes 221 of the drum 22. Further, water tank set spare 2 still includes storage water tank and heating device, heating device sets up in the storage water tank, still is provided with temperature sensor in the storage water tank, the one end of inlet tube 24 lets in cylinder 22, the other end and storage water tank connection, temperature sensor can obtain the temperature in the storage water tank, when the temperature in the storage water tank is lower, the clean effect of dirt filtrating screen 3 can descend correspondingly, heat the water in the storage water tank through heating device, the temperature of the clean water of rising, further improve the clean effect of dirt filtrating screen 3. It should be noted that the heating device may be an electric heating wire or other structures such as a superconducting heating wire, wherein the superconducting heating wire has a faster heating speed and can achieve instant heating.

In summary, the air conditioner of the present invention washes the dust filter 3 from inside to outside by the high pressure water flow in the roller 22, and then brushes the outer surface of the dust filter 3 by the cleaning roller 23, so that the stubborn dust and lint are more easily dropped off with the water flow, and the cleaning effect of the dust filter 3 is better. In addition, the invention can also throw off the water on the dust filter 3 through the high-speed rotation of the roller 22, thereby drying the cleaned dust filter 3 and improving the use experience. Further, by providing a circulation water pipe between the drain pipe 26 and the inlet pipe 24, the washing water can be recycled, saving water. In addition, the heating device is arranged in the water storage tank to heat the washing water, so that the cleaning effect of the washing water is further improved.

As mentioned in the first paragraph of this section, the above-described embodiments are merely illustrative of the principles of the present invention and are not intended to limit the scope of the invention, and those skilled in the art can make modifications to the above-described structures without departing from the principles of the present invention so that the present invention can be applied to more specific application scenarios.

For example, in an alternative embodiment, the drum 22 may be wound on the drum 22 without the tooth structure 222, but by the friction between the dust filter net 3 and the drum 22, instead of the tooth structure 222 provided on the drum 22, so that the dust filter net 3 is wound on the drum 22, and thus there is no limitation on the manner in which the dust filter net 3 is wound on the drum 22, and such adjustments do not depart from the principle of the present invention and thus fall within the protection scope of the present invention.

For example, in an alternative embodiment, the first transmission structure 31 and the second transmission structure 11 may be a belt, in addition to the rack and pinion transmission, the first transmission structure 31 may also be a belt, and the second transmission structure 11 may be a pulley connected with the belt, and the belt is driven to move by the rotation of the pulley, so as to drive the dust filter 3 to move, without departing from the principle of the present invention, and therefore, the present invention is within the protection scope.

For example, in an alternative embodiment, the water inlet pipe 24 may be arranged without penetrating the drum 22 and without the high pressure water spraying hole 241, the water inlet pipe 24 is fixed on the water tank housing 21 and extends into the cavity of the drum 22, water is fed into the cavity in the drum 22, and high pressure water is sprayed outwards through the water penetrating hole 221 on the drum 22, and these adjustments do not depart from the principle of the present invention, and thus, all will fall within the protection scope of the present invention. In addition, the shape of the high pressure water jet holes 241 provided in the water inlet pipe 24 may be circular, square, or other shapes such as polygon, so that the shape of the high pressure water jet holes 241 is not limited, as long as the high pressure water jet holes 241 can jet water, which does not depart from the principle of the present invention, and thus the present invention will fall within the protection scope of the present invention. In addition, the number of the inlet pipe 24 and the outlet pipe 26 may be one or more, and those skilled in the art can set the number according to the needs, and thus, all will fall within the scope of the present invention.

For example, in an alternative embodiment, the cleaning roller 23 may be formed by arranging bristles on the cleaning roller, the bristles may be plastic bristles or biological bristles, etc., the bristles are not limited to the material of the bristles, the cleaning roller 23 may be formed by arranging bristles on the rubber scraper 231 to clean the dust filter 3, and therefore, the structure of the cleaning roller 23 is not limited to any extent as long as the dust filter 3 can be cleaned, and those skilled in the art can set the structure as desired. In addition, the cleaning roller 23 may not be provided with the third driving device 292 for driving rotation, and the cleaning roller 23 may be driven to rotate by friction between the dust filter 3 and the cleaning roller 23 when the drum 22 rotates, and these adjustments do not depart from the principle of the present invention, and thus fall into the protection scope of the present invention. Further, the cleaning roller 23 may be provided so as to be partially located in the water tank case 21, and specifically, the cleaning roller 23 may be rotatably provided on the water tank case 21, and the water tank case 21 may be provided with an opening through which a part of the cleaning roller 23 is located in the water tank case 21 and can be brought into contact with the outer surface of the dust filter 3 when the dust filter 3 is washed, and another part is located outside the water tank case 21, thereby preventing the problem of the cleaning roller 23 getting mildewed due to the sealing in the water tank case 21.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. An air conditioner is characterized by comprising an air conditioner cover shell and a water tank assembly, wherein a dust filtering net is arranged in the air conditioner cover shell, the water tank assembly comprises a water tank shell, a rotary drum and a cleaning roller which are fixedly arranged, and the rotary drum and the cleaning roller are both rotatably arranged in the water tank shell; a first transmission structure is arranged on the dust filtering net, and a second transmission structure matched with the first transmission structure is arranged on the air conditioner housing, so that the dust filtering net can move between the air conditioner housing and the roller in a reciprocating manner; the drum is arranged to wind the dust screen on an outer surface of the drum, and an end of the cleaning roller is in contact with the outer surface of the dust screen; a water inlet pipe is arranged in the roller, and a water permeable hole is formed in the roller.

2. The air conditioner according to claim 1, wherein the first transmission structure is a rack gear, and the second transmission structure is a transmission gear rotatably provided on the air conditioning cover.

3. The air conditioner according to claim 2, wherein a tooth structure capable of being engaged with the rack is provided along a circumferential direction of the drum.

4. The air conditioner according to claim 2, wherein a first rail groove is formed in the air conditioner casing, and the dust filter is positioned in the first rail groove.

5. An air conditioner according to claim 3, wherein a second guide rail groove is provided on the drum, the tooth structure is located in the second guide rail groove, the second guide rail groove is provided with a notch, and the dust filter net enters the second guide rail groove through the notch.

6. The air conditioner as claimed in claim 1, further comprising a fixedly disposed water tank bracket, wherein the water tank case is fixed to the water tank bracket.

7. The air conditioner according to claim 1, wherein a drain pipe is provided at a bottom of the tank case.

8. The air conditioner according to claim 7, wherein the drain pipe is provided with an electromagnetic valve; and/or the water inlet pipe is connected with a water pump.

9. The air conditioner according to claim 1, wherein a plurality of high pressure water jetting holes are provided on the water inlet pipe; and/or the second transmission structure is connected with a first driving device; and/or the roller is connected with a second driving device; and/or a third drive is connected to the cleaning roller.

10. The air conditioner according to claim 1, wherein a plurality of rubber scrapers are provided on an outer surface of the cleaning roller in an axial direction, and ends of the rubber scrapers are capable of abutting against an outer surface of the dust filter screen; and/or the outer surface of the cleaning roller is provided with bristles.