Indoor unit of air conditioner

By designing a movable filter in the air conditioner indoor unit, it can enter the water connection tray for self-cleaning, the problem that the existing air conditioner filter is not easy to clean is solved, and a convenient cleaning process and energy saving effect is achieved.

CN222783606UActive Publication Date: 2025-04-22QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +2
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Patent Information

Application Number
CN202420801541.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-04-22
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The filter mesh of existing air conditioners indoor units is not easy to clean and requires manual and regular replacement and cleaning. The replacement process is complicated, which can easily cause dust to spread and affect the indoor environment and user health.

Method used

A movable filter is designed, which is arranged on the air inlet side of the evaporator. Each part of the filter can enter the water connection tray and self-clean using the condensate in the water connection tray. The cleaned sewage is discharged through the drainage structure.

Benefits of technology

The filter is self-cleaned, the cleaning process is simplified, the manpower and material consumption is reduced, the user experience is improved, and the condensate is used reasonably, saving energy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an air conditioner indoor unit which comprises an evaporator, a water pan and a filter screen, and the rear side of the evaporator is the air inlet side of the evaporator. The opening of the water pan is upward, and the water pan is arranged on the lower side of the evaporator. The filter screen is arranged on the rear side of the evaporator so that airflow flowing through the evaporator can flow through the evaporator after being filtered through the filter screen. Wherein the filter screen is movably arranged, so that each part of the filter screen can enter the water pan. According to the air conditioner indoor unit, the problem that a filter screen of an air conditioner is not easy to clean can be solved, and the effects that the filter screen of the air conditioner is convenient to clean and the use experience of a user is improved are achieved.
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Description

Technical Field

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

[0002] The air contains dust, oil and other pollutants. When the air conditioner is running, these pollutants enter the air conditioner with the air, which can easily cause the heat exchanger and other components to become dirty and clogged, or even enter the electronic components to cause a short circuit, affecting the operation of the air conditioner. In order to prevent dust, oil and other impurities in the air from entering the air conditioner, a filter is installed on the air conditioner to filter out the dust and oil in the air.

[0003] In the prior art, almost all filters of duct air conditioners are plate filters, which are fixed to the return air of the duct air conditioner by buckles. The filter itself will accumulate dust and oil, which will affect the air intake and filtration quality over time, and the filter needs to be replaced and cleaned manually at regular intervals. When replacing the filter, it is necessary to open the buckle to remove the filter, and install the clean filter on the air conditioner. Since duct air conditioners are generally installed in high places that are not easily accessible to people, the replacement of the filter requires stepping on a ladder. The replacement process is complicated and the replacement personnel are prone to danger. In addition, the dust accumulated on the filter can easily spread to the surrounding environment and people during the manual removal process, causing adverse effects on the indoor environment and users. Utility Model Content

[0004] In view of the above-mentioned problems, the present utility model is proposed to provide an air conditioner indoor unit that overcomes the above-mentioned problems or at least partially solves the above-mentioned problems, and can solve the problem that the filter of the air conditioner is difficult to clean, thereby facilitating the cleaning of the filter of the air conditioner and improving the user experience.

[0005] Specifically, the utility model provides an air conditioner indoor unit, comprising:

[0006] an evaporator, wherein the rear side of the evaporator is an air inlet side of the evaporator;

[0007] A water receiving tray, the opening of which faces upward and is arranged at the lower side of the evaporator;

[0008] A filter screen is arranged at the rear side of the evaporator so that the airflow passing through the evaporator is first filtered by the filter screen and then flows through the evaporator; wherein,

[0009] The filter screen is movably arranged so that each part of the filter screen can enter the water receiving tray.

[0010] Optionally, the evaporator is arranged obliquely, and the lower end of the evaporator is located at the lower front side of the upper end of the evaporator;

[0011] The filter screen is arranged obliquely, and the lower end of the filter screen is located at the lower front side of the upper end of the filter screen;

[0012] The lower end of the filter is located at the lower front side of the upper end of the evaporator.

[0013] Optionally, the evaporator is arranged in parallel with the filter screen.

[0014] Optionally, the filter screen is arranged vertically.

[0015] Optionally, the filter screen is connected end to end to form a ring shape, and part of the filter screen is located in the water receiving tray.

[0016] Optionally, the evaporator is arranged obliquely, and the lower end of the evaporator is located at the lower front side of the upper end of the evaporator;

[0017] The filter comprises:

[0018] An inclined section, wherein the inclined section is inclined, and the lower end of the inclined section is located at the front lower side of the upper end of the inclined section; the lower end of the inclined section is located at the front lower side of the upper end of the evaporator; the evaporator is arranged parallel to the inclined section;

[0019] a vertical section disposed vertically at a rear side of the inclined section; and

[0020] A horizontal section is located in the water receiving tray and connects the lower ends of the vertical section and the inclined section; the upper end of the vertical section is connected to the upper end of the inclined section, or a connecting section is provided between the upper end of the vertical section and the upper end of the inclined section.

[0021] Optionally, the air conditioner indoor unit further includes:

[0022] The cleaning device is configured to clean the portion of the filter screen that enters the water receiving tray.

[0023] Optionally, the cleaning device is a brush or silica gel;

[0024] The cleaning device is configured to clean the upper side and / or the lower side of the horizontal section;

[0025] The filter screen is connected with a driving device.

[0026] Optionally, the indoor unit of the air conditioner further comprises two parallel movable tracks, each of the movable tracks comprises a horizontal section, the horizontal section is arranged in the water receiving tray and extends in the front-rear direction;

[0027] The two ends of the filter screen are installed on the two moving tracks, so that the two ends of each part of the filter screen can move to the horizontal section, and then each part of the filter screen can enter the water receiving tray.

[0028] Optionally, the indoor unit of the air conditioner further comprises two moving assemblies at both ends of the filter for mounting, each of the moving assemblies comprising at least two rotating wheels and a ring-shaped linkage device;

[0029] Each of the rotating wheels is rotatably arranged;

[0030] The annular linkage device is annular and is mounted on at least two of the rotating wheels so that the at least two rotating wheels rotate synchronously; the two ends of the filter net are respectively installed on the two annular linkage devices; the two moving components are arranged so that each part of the filter net can be switched between the water receiving tray and the position for filtering.

[0031] Optionally, the at least two rotating wheels of each of the moving components include a first rotating wheel, a second rotating wheel and at least one third rotating wheel;

[0032] The two first rotating wheels are coaxially arranged, and the lowest part of the first rotating wheel is located in the water receiving tray;

[0033] The two second rotating wheels are coaxially arranged, and the lowest part of the second rotating wheels is located in the water receiving tray;

[0034] The two second rotating wheels are arranged at the front sides of the two first rotating wheels;

[0035] The third rotating wheel is arranged on the upper side of the water receiving tray so that each part of the filter screen can be switched between the position in the water receiving tray and the position for filtering.

[0036] Optionally, the filter net is located on the upper side of the water receiving tray, and a projection of the filter net on the plane where the opening of the water receiving tray is located is located inside the opening of the water receiving tray.

[0037] In the indoor unit of the air conditioner of the utility model, the filter is arranged on the air inlet side of the evaporator, and each part of the filter can enter the water receiving tray. The water receiving tray is located below the evaporator to receive the condensed water formed on the evaporator. When the air conditioner is working, air enters from the rear side of the air conditioner, and flows to the evaporator for heat exchange after being filtered by the filter. Dust and oil pollutants in the air accumulate on the filter. When the filter needs to be cleaned, the filter is controlled to enter the water receiving tray, and the filter is cleaned with the condensed water in the water receiving tray. The cleaned sewage is discharged from the drainage structure of the water receiving tray. Through the movable filter, each part of the filter can enter the water receiving tray, so that the filter can be self-cleaned, making the cleaning of the filter more convenient, saving manpower and material resources, and improving the user experience. In addition, the condensed water generated in the heat exchange process is reasonably utilized, waste is reused, and energy is saved.

[0038] Furthermore, after cleaning, the filter is moved to the air inlet side of the evaporator, and the fans in the evaporator and the air conditioner can dry the filter, rationally utilizing the components inside the air conditioner so that the evaporator and the fan have multiple functions.

[0039] Based on the detailed description of the specific embodiments of the present invention in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0041] Figure 1 is a schematic structural diagram of a filter screen and a moving assembly according to an embodiment of the utility model;

[0042] Figure 2 is a schematic structural diagram of a filter screen and a front side of a moving assembly according to an embodiment of the utility model;

[0043] Figure 3 It is a schematic structural diagram of a filter screen vertically arranged according to an embodiment of the utility model;

[0044] Figure 4 It is a schematic structural diagram of a filter screen tilted according to an embodiment of the utility model;

[0045] Figure 5 is a schematic structural diagram of a filter screen and a moving track according to another embodiment of the utility model;

[0046] Figure 6is a schematic structural diagram of a filter screen and a front side of a movable track according to another embodiment of the utility model;

[0047] Figure 7 is a schematic structural diagram of a filter screen vertically arranged according to another embodiment of the utility model;

[0048] Figure 8 It is a schematic structural diagram of an inclined filter screen according to another embodiment of the utility model. DETAILED DESCRIPTION

[0049] Refer to the following Figures 1 to 8 To describe the air conditioner indoor unit of an embodiment of the present utility model. In the description of this embodiment, it should be understood that the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0050] Unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to the specific circumstances.

[0051] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. That is, in the description of this embodiment, the first feature being "above", "above", and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below", or "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0052] In the description of the present embodiment, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0053] Figure 1 is a schematic structural diagram of a filter screen and a moving assembly according to an embodiment of the utility model, such as Figure 1 As shown, and refer to Figures 2 to 8 The embodiment of the utility model provides an indoor unit of an air conditioner, comprising an evaporator 10, a water receiving tray 20 and a filter 30, wherein the rear side of the evaporator 10 is an air inlet side of the evaporator 10. The opening of the water receiving tray 20 faces upward and is arranged at the lower side of the evaporator 10. The filter 30 is arranged at the rear side of the evaporator 10 so that the airflow passing through the evaporator 10 is first filtered by the filter 30 and then flows through the evaporator 10. The filter 30 is movably arranged so that each part of the filter 30 can enter the water receiving tray 20.

[0054] In this embodiment, the filter 30 is arranged on the air inlet side of the evaporator 10, and each part of the filter 30 can enter the water receiving tray 20. The water receiving tray 20 is located below the evaporator 10 to receive the condensed water formed on the evaporator 10. When the air conditioner is working, air enters from the rear side of the air conditioner, and flows to the evaporator 10 for heat exchange after being filtered by the filter 30. Pollutants such as dust and oil in the air accumulate on the filter 30. When the filter 30 needs to be cleaned, the filter 30 is controlled to enter the water receiving tray 20, and the filter 30 is cleaned with the condensed water in the water receiving tray 20, and the cleaned sewage is discharged from the drainage structure of the water receiving tray 20. Through the movable filter 30, each part of the filter 30 can enter the water receiving tray 20, so as to realize the self-cleaning of the filter 30, make the cleaning of the filter 30 more convenient, save manpower and material resources, and improve the user experience. In addition, the condensed water generated in the heat exchange process is reasonably utilized, the waste is reused, and energy is saved.

[0055] Furthermore, after cleaning, the filter 30 is moved to the air inlet side of the evaporator 10, and the evaporator 10 and the fan in the air conditioner can dry the filter 30, rationally utilizing the internal components of the air conditioner so that the evaporator 10 and the fan have multiple functions.

[0056] In some embodiments of the present invention, Figure 4As shown, the evaporator 10 is tilted, and the lower end of the evaporator 10 is located at the front lower side of the upper end of the evaporator 10. The filter 30 is tilted, and the lower end of the filter 30 is located at the front lower side of the upper end of the filter 30. The lower end of the filter 30 is located at the front lower side of the upper end of the evaporator 10.

[0057] In this embodiment, the filter 30 and the evaporator 10 are both arranged to be inclined from the upper rear portion to the lower front portion, and at least part of the filter 30 is below the evaporator 10. Condensed water is generated on the evaporator 10 and drips downward, passes through the filter 30 and enters the water receiving tray 20, and part of the dust and oil on the filter 30 is cleaned, so that the filter 30 can be self-cleaned, making the cleaning of the filter 30 more convenient, and can further improve the user experience.

[0058] In some embodiments of the present invention, Figure 4 As shown, the evaporator 10 and the filter 30 are arranged in parallel.

[0059] In this embodiment, when the evaporator 10 is tilted, the evaporator 10 is parallel to the filter 30. The evaporator 10 and the filter 30 are parallel to each other, which can reduce the occupied area of ​​the evaporator 10 and the filter 30, save the usable space inside the air conditioner, and thus reduce the production cost of the air conditioner.

[0060] In other embodiments of the present invention, the projection of the evaporator 10 on the filter 30 falls inside the filter 30 .

[0061] In this embodiment, the area of ​​the evaporator 10 is smaller than the area of ​​the filter 30, ensuring that the airflow passing through the evaporator 10 is filtered by the filter 30, thereby making the airflow blown into the room cleaner, improving the air quality of the air conditioner, and improving the user experience.

[0062] In other embodiments of the present invention, the projection of the evaporator 10 on the filter 30 completely overlaps with the filter 30 .

[0063] In this embodiment, the area of ​​the evaporator 10 is equal to the area of ​​the filter 30. Under the premise of ensuring that the airflow passing through the evaporator 10 is filtered by the filter 30, the area of ​​the filter 30 is reduced as much as possible to reduce the production cost of the air conditioner.

[0064] In some embodiments of the present invention, Figure 3 As shown, the filter screen 30 is arranged vertically.

[0065] In this embodiment, the filter 30 is vertically arranged on the air inlet side of the evaporator 10, and at least a portion of the vertical projection of the evaporator 10 overlaps with the filter 30, for example, the evaporator 10 is tilted or vertically arranged.

[0066] In some embodiments of the present invention, Figure 1 , Figure 3 and Figure 4 As shown, the filter screen 30 is connected end to end to form a ring shape, and part of the filter screen 30 is located in the water receiving tray 20.

[0067] In this embodiment, the filter 30 is annular, and the lower end of the filter 30 is located in the water tray 20. The air flows into the evaporator 10 through two layers of filters 30. The two layers of filters 30 filter the air, improve the filtering capacity of the filter 30, and then improve the air quality of the air conditioner, prevent dust and other pollutants from entering the room to affect the user's health, and improve the user's experience. When replacing the filter 30, the filter 30 is controlled to move so that the part of the filter 30 in the water tray 20 moves to the air inlet side of the water tray 20 to achieve the replacement of the filter 30, and the part of the filter 30 that needs to be cleaned is moved to the water tray 20 for cleaning. The replacement method and cleaning method of the filter 30 are simple and convenient, and there is no need to disassemble the filter 30, which further improves the user's experience. Furthermore, the cross-section of the ring is triangular or square.

[0068] In some embodiments of the present invention, Figure 1 As shown, the evaporator 10 is tilted, and the lower end of the evaporator 10 is located at the front lower side of the upper end of the evaporator 10. The filter screen 30 includes an inclined section 310, a vertical section 320 and a horizontal section 330. The inclined section 310 is tilted, and the lower end of the inclined section 310 is located at the front lower side of the upper end of the inclined section 310. The lower end of the inclined section 310 is located at the front lower side of the upper end of the evaporator 10. The evaporator 10 is arranged parallel to the inclined section 310. The vertical section 320 is vertically arranged at the rear side of the inclined section 310. The horizontal section 330 is located in the water receiving tray 20, and the horizontal section 330 connects the lower ends of the vertical section 320 and the inclined section 310. The upper end of the vertical section 320 is connected to the upper end of the inclined section 310, or a connecting section is arranged between the upper end of the vertical section 320 and the upper end of the inclined section 310.

[0069] In this embodiment, the filter 30 is arranged in a triangular ring shape. The horizontal section 330 is in the water receiving tray 20. The airflow first passes through the vertical section 320, and then passes through the inclined section 310 before flowing out of the evaporator 10. The airflow is filtered by the two layers of filter 30, the vertical section 320 and the inclined section 310, and the filtering capacity of the filter 30 is improved, thereby improving the air quality of the air conditioner, preventing dust and other pollutants from entering the room to affect the user's health, and improving the user's experience.

[0070] In some embodiments of the present invention, the filter screen 30 is connected to a driving device.

[0071] In this embodiment, the filter 30 is moved by the driving device, so that the filter 30 is moved to the water receiving tray 20 for cleaning, or the filter 30 is moved to the air inlet side of the evaporator 10 to filter air. The driving device is used to realize the self-cleaning of the filter 30, so that the cleaning of the filter 30 is more convenient, which can further improve the user experience.

[0072] In other embodiments of the present invention, the filter screen 30 is driven manually.

[0073] In this embodiment, for some simple air conditioners, the filter 30 can be manually driven to move so that the filter 30 is moved to the water receiving tray 20 for cleaning, or the filter 30 is moved to the air inlet side of the evaporator 10 to filter the air.

[0074] In some embodiments of the present invention, Figure 1 , Figure 7 and Figure 8 As shown, the indoor unit of the air conditioner further includes a cleaning device 50 , and the cleaning device 50 is configured to clean the portion of the filter 30 that enters the water receiving tray 20 .

[0075] In this embodiment, after the filter 30 enters the water receiving tray 20, the cleaning device 50 is used to clean the filter 30, so that the filter 30 is cleaned more thoroughly, making the filter 30 cleaner, improving the filtering capacity of the filter 30, and then improving the air quality of the air conditioner and improving the user experience.

[0076] In some embodiments of the present invention, the cleaning device 50 is a brush.

[0077] In this embodiment, the brush is elastic and wear-resistant, and can be kept from being easily deformed during long-term operation, so as to better achieve the cleaning effect. The filter 30 is cleaned by the brush, and the filter 30 is cleaned better, thereby improving the filtering capacity of the filter 30, thereby improving the air quality of the air conditioner and improving the user experience.

[0078] In some other embodiments of the present invention, the cleaning device 50 is silica gel.

[0079] In this embodiment, when there is less or no condensed water, silica gel is used to absorb dust on the filter 30 to clean the filter 30, thereby avoiding affecting the filtering capacity of the filter 30 and the air quality of the air conditioner.

[0080] In some embodiments of the present invention, Figure 1 , Figure 7 and Figure 8 As shown, the cleaning device 50 is configured to clean the upper side of the horizontal section 330 .

[0081] In this embodiment, the cleaning device 50 is disposed on the upper side of the horizontal section 330. When the filter screen 30 needs to be cleaned, the inclined section 310 is controlled to move into the water receiving tray 20, and the brush cleans the upper side of the inclined section 310.

[0082] In some embodiments of the present invention, the cleaning device 50 is configured to clean the underside of the horizontal section 330 .

[0083] In some embodiments of the present invention, the cleaning device 50 is disposed on the upper side and the lower side of the horizontal section 330. The cleaning device 50 is configured to clean the upper side and the lower side of the horizontal section 330.

[0084] In this embodiment, a cleaning device 50 is provided on the upper and lower sides of the horizontal section 330. The cleaning device 50 cleans from the upper and lower sides of the filter 30, so that the filter 30 is cleaned more cleanly, thereby improving the filtering capacity of the filter 30 and the air output quality of the air conditioner, thereby improving the user experience.

[0085] In other embodiments of the present invention, the cleaning device 50 is connected to a power device to enable the cleaning device 50 to move.

[0086] In this embodiment, the movement of the cleaning device 50 is controlled by a power device. When the filter screen 30 needs to be cleaned, the inclined section 310 is moved into the water receiving tray 20, and the cleaning device 50 is controlled to move, so that the inclined section 310 is cleaned by the cleaning device 50. The cleaning device 50 can move in the front-to-back direction, or the cleaning device 50 moves in the left-to-right direction, or the cleaning device 50 rotates in the direction of its own axis, or the cleaning device 50 moves in the front-to-back direction and rotates in the direction of its own axis, or the cleaning device 50 moves in the left-to-right direction and rotates in the direction of its own axis.

[0087] In some embodiments of the present invention, Figures 5 to 8 As shown, the indoor unit of the air conditioner further includes two parallel movable tracks 40, each movable track 40 includes a horizontal section 430, and the horizontal section 430 is arranged in the water receiving tray 20 and extends in the front-to-back direction. Both ends of the filter 30 are installed on the two movable tracks 40, so that both ends of each part of the filter 30 move to the horizontal section 430, so that each part of the filter 30 can enter the water receiving tray 20.

[0088] In this embodiment, both ends of the filter 30 are mounted on the moving track 40, and the filter 30 moves on the moving track 40. When the filter 30 moves to the horizontal section 430, each part of the filter 30 enters the water receiving tray 20, and the cleaning device 50 cleans the filter 30 in the water receiving tray 20. The movement of the filter 30 is realized by the moving track 40, so that the movement of the filter 30 is smoother, and the filter 30 is prevented from getting stuck during the movement process, so as to avoid affecting the normal operation of the filter 30.

[0089] When the filter 30 is arranged vertically, the moving track 40 at least includes a horizontal section 430 and a vertical section 420, that is, the moving track 40 includes a horizontal section 430 and a vertical section 420, or the moving track 40 includes a horizontal section 430, a vertical section 420 and an inclined section 410. When the filter 30 needs to be cleaned, the filter 30 on the vertical section 420 is moved to the horizontal section 430, and the filter 30 is moved to the water receiving tray 20, and the filter 30 is cleaned with condensed water in the water receiving tray 20. After cleaning, the filter 30 is moved to the vertical section 420 to filter the air.

[0090] When the filter 30 is tilted, the moving track 40 at least includes a horizontal section 430 and an inclined section 410, that is, the moving track 40 includes a horizontal section 430 and an inclined section 410, or the moving track 40 includes a horizontal section 430, a vertical section 420 and an inclined section 410. When the filter 30 needs to be cleaned, the filter 30 on the inclined section 410 is moved to the horizontal section 430, and the filter 30 is moved to the water receiving tray 20, and the filter 30 is cleaned with condensed water in the water receiving tray 20. After cleaning, the filter 30 is moved to the inclined section 410 to filter the air.

[0091] When the filter 30 is arranged in a triangular ring shape, the moving track 40 includes a horizontal section 430, a vertical section 420 and an inclined section 410. When the filter 30 needs to be cleaned, the part of the filter 30 that needs to be cleaned is moved to the water receiving tray 20 for cleaning. The other parts of the filter 30 are used to filter air.

[0092] In some embodiments of the present invention, Figure 1 and Figure 2 As shown, the indoor unit of the air conditioner further includes two moving assemblies for mounting the two ends of the filter 30, each moving assembly including at least two rotating wheels and an annular linkage device 70. Each rotating wheel is rotatably arranged. The annular linkage device 70 is annular and is mounted on at least two rotating wheels so that at least two rotating wheels rotate synchronously. The two ends of the filter 30 are respectively mounted on the two annular linkage devices 70. The two moving assemblies are arranged so that each part of the filter 30 is switched between the position in the water receiving tray 20 and the position for filtering.

[0093] In this embodiment, moving assemblies are installed at the left and right ends of the filter 30, and each moving assembly includes at least two synchronously rotating rotating wheels and an annular linkage device 70, and the annular linkage device 70 is mounted on the rotating wheel, and the rotating wheel is arranged at both ends of the filter 30. The synchronous rotation of the rotating wheel drives the annular linkage device 70 to rotate, thereby driving the filter 30 to rotate along the annular linkage device 70. One rotating wheel is arranged in the water receiving tray 20, so that the part below the filter 30 is placed in the water receiving tray 20 for cleaning.

[0094] When the filter 30 is tilted or vertically arranged, the moving assembly includes two rotating wheels, which are located at the upper and lower ends of the filter 30. The rotating wheel at the lower end is in the water receiving tray 20. When the filter 30 needs to be cleaned, the rotating wheel rotates to drive the annular linkage device 70 to rotate, and the annular linkage device 70 drives the filter 30 to rotate, so that the lower part of the filter 30 is cleaned by the condensation pipe water in the water receiving tray 20, and the other part is used to filter dust, oil and the like in the air.

[0095] When the filter 30 is arranged in a triangular ring shape, the moving assembly includes three rotating wheels, which are respectively arranged at three corners, and the annular linkage device 70 is mounted on the three rotating wheels, and one or two rotating wheels are arranged in the water receiving tray 20. When the filter 30 needs to be cleaned, the rotating wheels rotate to drive the annular linkage device 70 to rotate, and the annular linkage device 70 drives the filter 30 to rotate, so that the lower part of the filter 30 is cleaned by the condensation pipe water in the water receiving tray 20, and the other parts are used to filter dust, oil, etc. in the air.

[0096] In some embodiments of the present invention, Figure 1 As shown, at least two rotating wheels of each moving assembly include a first rotating wheel 610, a second rotating wheel 620 and at least one third rotating wheel 630. The two first rotating wheels 610 are coaxially arranged, and the lowest part of the first rotating wheel 610 is located in the water receiving tray 20. The two second rotating wheels 620 are coaxially arranged, and the lowest part of the second rotating wheel 620 is located in the water receiving tray 20. The two second rotating wheels 620 are arranged in front of the two first rotating wheels 610. The third rotating wheel 630 is arranged on the upper side of the water receiving tray 20, so that each part of the filter screen 30 can be switched between the water receiving tray 20 and the position for filtering.

[0097] In this embodiment, the first rotating wheel 610 is arranged at the rear side of the water receiving tray 20, the second rotating wheel 620 is arranged at the front side of the water receiving tray 20, and the third rotating wheel 630 is arranged above the water receiving tray 20. The annular linkage device 70 is mounted on the first rotating wheel 610, the second rotating wheel 620 and the third rotating wheel 630. When cleaning the filter 30, the three rotating wheels rotate, driving the annular linkage device 70 to rotate, thereby driving the filter 30 to rotate along the annular linkage device 70. The condensed water in the water receiving tray 20 cleans the part of the filter 30 that rotates into the water receiving tray 20, and the other parts of the filter 30 are used to filter dust, oil and the like in the air. The three rotating wheels and the annular linkage device are used to realize the self-circulation of the filter 30, and there is no need to manually replace the filter 30, which makes the replacement of the filter 30 more convenient and improves the user experience.

[0098] When the filter 30 is arranged vertically or tilted, when the filter 30 needs to be cleaned, the rotating wheel rotates synchronously to move part or all of the filter 30 to the water receiving tray 20, and clean it with condensed water in the water receiving tray 20. After cleaning, part or all of the filter 30 is moved to the front side of the evaporator 10 to filter the air.

[0099] When the filter 30 is arranged in a triangular ring shape, the filter 30 between the first rotating wheel 610 and the second rotating wheel 620 is cleaned, and the other parts of the filter 30 are used to filter dust, oil and the like in the air.

[0100] In some embodiments of the present invention, the filter screen 30 is located on the upper side of the water receiving tray 20 , and the projection of the filter screen 30 on the plane where the opening of the water receiving tray 20 is located is located inside the opening of the water receiving tray 20 .

[0101] In this embodiment, the projection of the filter 30 on the plane where the opening of the water tray 20 is located falls within the water tray 20, so that each part of the filter 30 can enter the water tray 20 for cleaning, and the filter 30 can be completely cleaned, preventing incomplete cleaning of the filter 30 from affecting the filtering capacity of the filter 30 and the air quality of the air conditioner. In addition, the projection of the filter 30 on the plane where the opening of the water tray 20 is located falls within the water tray 20, which can prevent dust or other contaminants on the filter 30 from falling outside the water tray 20, preventing dust inside the air conditioner from affecting the operation of other components inside the air conditioner, and improving the air supply quality of the air conditioner.

[0102] In some preferred embodiments of the present invention, Figure 1As shown, the indoor unit of the air conditioner includes an evaporator 10, a water receiving tray 20, a filter 30, a cleaning device 50 and two moving components. The filter 30 includes a horizontal section 330, a vertical section 320 and an inclined section 310. The filter 30 is arranged on the air inlet side of the evaporator 10, and the evaporator 10 is arranged parallel to the inclined section 310. The water receiving tray 20 is arranged below the evaporator 10 and the filter 30. The cleaning device 50 is arranged on the upper side of the horizontal section 330 to clean the filter 30. Two moving components are arranged at both ends of the filter 30, and each moving component includes a first rotating wheel 610, a second rotating wheel 620, a third rotating wheel 630 and an annular linkage device 70.

[0103] In this embodiment, the first rotating wheel 610, the second rotating wheel 620 and the third rotating wheel 630 rotate to drive the annular linkage device to rotate, thereby driving the filter 30 to move, realizing the self-circulation of the filter 30, and switching the filter 30 between the position in the water receiving tray 20 and the position for filtering. When the filter 30 needs to be replaced, it does not need to be replaced manually, making the replacement of the filter 30 more convenient and improving the user experience.

[0104] Furthermore, the water receiving tray 20 stores condensed water generated on the evaporator 10, and the condensed water cleans the filter 30 in the water receiving tray 20. The cleaning device 50 cleans the filter 30 more thoroughly. The cleaned sewage can be discharged through the drain port of the water receiving tray 20. The water receiving tray 20 and the cleaning device 50 are used to clean the filter 30 without manual cleaning. The cleaning of the filter 30 is made more convenient, and the user experience is improved. In addition, the cleaning device 50 cleans the filter 30 more thoroughly, improves the filtering capacity of the filter 30 and the air quality of the air conditioner, and further improves the user experience.

[0105] Furthermore, after the filter 30 is cleaned, the filter 30 can be dried by using the fan and the evaporator 10, and the components inside the air conditioner are reasonably used, so that the evaporator 10 and the fan have multiple functions.

[0106] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived from the contents disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. An air conditioner indoor unit, characterized in that: include: an evaporator, wherein the rear side of the evaporator is an air inlet side of the evaporator; A water receiving tray, the opening of which faces upward and is arranged at the lower side of the evaporator; A filter screen is arranged at the rear side of the evaporator so that the airflow passing through the evaporator is first filtered by the filter screen and then flows through the evaporator; wherein, The filter screen is movably arranged so that each part of the filter screen can enter the water receiving tray.

2. The air conditioner indoor unit according to claim 1, characterized in that: The evaporator is arranged obliquely, and the lower end of the evaporator is located at the lower front side of the upper end of the evaporator; The filter screen is arranged obliquely, and the lower end of the filter screen is located at the lower front side of the upper end of the filter screen; The lower end of the filter screen is located at the lower front side of the upper end of the evaporator.

3. The air conditioner indoor unit according to claim 2, characterized in that: The evaporator is arranged in parallel with the filter screen.

4. The air conditioner indoor unit according to claim 1, characterized in that: The filter screen is arranged vertically.

5. The air conditioner indoor unit according to claim 1, characterized in that: The filter screen is connected end to end to form a ring shape, and part of the filter screen is located in the water receiving tray.

6. The air conditioner indoor unit according to claim 5, characterized in that: The evaporator is arranged obliquely, and the lower end of the evaporator is located at the lower front side of the upper end of the evaporator; The filter comprises: An inclined section, wherein the inclined section is inclined, and the lower end of the inclined section is located at the front lower side of the upper end of the inclined section; the lower end of the inclined section is located at the front lower side of the upper end of the evaporator; the evaporator is arranged parallel to the inclined section; a vertical section disposed vertically at a rear side of the inclined section; and A horizontal section is located in the water receiving tray and connects the lower ends of the vertical section and the inclined section; the upper end of the vertical section is connected to the upper end of the inclined section, or a connecting section is provided between the upper end of the vertical section and the upper end of the inclined section.

7. The air conditioner indoor unit according to claim 6, characterized in that: Also includes: The cleaning device is configured to clean the portion of the filter screen that enters the water receiving tray.

8. The air conditioner indoor unit according to claim 7, characterized in that: The cleaning device is a brush or silica gel; The cleaning device is configured to clean the upper side and / or the lower side of the horizontal section; The filter screen is connected with a driving device.

9. The air conditioner indoor unit according to any one of claims 1 to 8, characterized in that: It also includes two parallel movable tracks, each of which includes a horizontal section, which is arranged in the water receiving tray and extends in the front-to-back direction; The two ends of the filter screen are installed on the two moving tracks, so that the two ends of each part of the filter screen can move to the horizontal section, and then each part of the filter screen can enter the water receiving tray.

10. The air conditioner indoor unit according to any one of claims 1 to 8, characterized in that: It also includes two moving assemblies at both ends of the filter screen for mounting, each of the moving assemblies including at least two rotating wheels and an annular linkage device; Each of the rotating wheels is rotatably arranged; The annular linkage device is annular and is mounted on at least two of the rotating wheels so that the at least two rotating wheels rotate synchronously; the two ends of the filter net are respectively installed on the two annular linkage devices; the two moving components are arranged so that each part of the filter net can be switched between the water receiving tray and the position for filtering.

11. The indoor unit of the air conditioner according to claim 10, characterized in that: The at least two rotating wheels of each of the moving assemblies include a first rotating wheel, a second rotating wheel and at least one third rotating wheel; The two first rotating wheels are coaxially arranged, and the lowest part of the first rotating wheel is located in the water receiving tray; The two second rotating wheels are coaxially arranged, and the lowest part of the second rotating wheels is located in the water receiving tray; The two second rotating wheels are arranged at the front sides of the two first rotating wheels; The third rotating wheel is arranged on the upper side of the water receiving tray so that each part of the filter screen can be switched between the position in the water receiving tray and the position for filtering.

12. The air conditioner indoor unit according to claim 1, characterized in that: The filter screen is located on the upper side of the water receiving tray, and a projection of the filter screen on the plane where the opening of the water receiving tray is located is located inside the opening of the water receiving tray.