Frame body assembly and air conditioner indoor unit

Abstract

The utility model relates to a frame body assembly and an air conditioner indoor unit. The frame body assembly comprises a frame body and an air guide assembly. An air inlet and an air outlet are formed in the frame body, the air outlet is formed in the front wall face of the frame body, the air inlet is formed in the bottom wall face of the frame body, a wiring part is arranged on the inner wall face of the frame body, the air guide assembly comprises a driving part and an air guide plate, the air guide plate is arranged at the air outlet, and the driving part is arranged on the driving part. The driving part is arranged on the frame body and connected with the air guide plate, the driving part is provided with a control wire harness, and the control wire harness is installed in the wiring part. The frame body assembly can fix the control wire harness, prevents the control wire harness from loosening, and reduces the probability that the control wire harness is in contact with condensate water.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and particularly to a frame assembly and an indoor unit of an air conditioner. Background Art

[0002] At present, air conditioners have become essential household appliances. With the continuous progress of social development, there are various types of air conditioners. A wind deflector that can be opened and closed is provided at the air inlet of the indoor unit of the air conditioner. The control wire harness of the driving device for controlling the movement of the wind deflector needs to be introduced into the electric control box of the indoor unit of the air conditioner. In the related art, the control wire harness of the driving device lacks a fixing structure, resulting in the easy loosening of the control wire harness and its easy contact with the condensed water generated by the operation of the evaporator, increasing the potential electrical safety hazard. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems in the related art to some extent.

[0004] To this end, an embodiment of the utility model provides a frame assembly, which can fix the control wire harness, prevent the control wire harness from loosening, and reduce the probability of the control wire harness contacting the condensed water.

[0005] An embodiment of the utility model also provides an indoor unit of an air conditioner.

[0006] The frame assembly of the embodiment of the utility model includes a frame, an air inlet and an air outlet are provided on the frame, the air outlet is arranged on the front wall surface of the frame, the air inlet is arranged on the bottom wall surface of the frame, and a wire routing part is arranged on the inner wall surface of the frame; a wind deflector assembly, the wind deflector assembly includes a driving part and a wind deflector, the wind deflector is arranged at the air outlet, the driving part is arranged on the frame and connected to the wind deflector, the driving part has a control wire harness, and the control wire harness is installed in the wire routing part.

[0007] According to the frame assembly of the embodiment of the utility model, since the wire routing part is arranged on the inner wall surface of the frame, the control wire harness of the wind deflector assembly can be fixed on the frame through the wire routing part, thereby not only restricting the position of the control wire harness but also avoiding the contact between the control wire harness and the wall surface of the evaporator, thus reducing the probability of the control wire harness contacting the condensed water and reducing the potential safety hazard during the operation of the indoor unit of the air conditioner.

[0008] In some embodiments, the air outlet is arranged at the upper side position of the front wall surface of the frame, the wire routing part includes a first wire clamping buckle, the first wire clamping buckle is arranged adjacent to the air outlet and is located below the air outlet, and the control wire harness is clamped in the first wire clamping buckle.

[0009] In some embodiments, there are two driving components, and the two driving components are respectively arranged on both sides of the length direction of the air deflector. There are multiple first wire clamping buckles, and the multiple first wire clamping buckles are arranged at intervals along the length direction of the frame body. The control wire harness of at least one driving component is arranged in the first wire clamping buckle.

[0010] In some embodiments, the first wire clamping buckle and the inner wall surface of the frame body define a first wire clamping cavity, and the first wire clamping cavity opens upward.

[0011] In some embodiments, the first wire clamping buckle includes a main body section and a guiding section. The lower end of the main body section is connected to the frame body and defines the first wire clamping cavity with the frame body. The lower end of the guiding section is connected to the upper end of the main body section, and the upper end of the guiding section gradually extends obliquely toward the rear side of the frame body.

[0012] In some embodiments, the wire routing portion further includes a second wire clamping buckle. The second wire clamping buckle is arranged on one side of the length direction of the frame body, and the second wire clamping buckle is located below the first wire clamping buckle.

[0013] In some embodiments, there are multiple second wire clamping buckles, and the multiple second wire clamping buckles are arranged at intervals along the up-and-down direction of the frame body.

[0014] In some embodiments, the second wire clamping buckle includes a first hook and a second hook. The first hook and the second hook are arranged at intervals along the length direction of the frame body and enclose a second wire clamping cavity, and the control wire harness is clamped in the second wire clamping cavity.

[0015] In some embodiments, the driving component includes a first motor module, a second motor module and a rocker arm. The first motor module is arranged on the frame body and is connected to one end of the rocker arm. The other end of the rocker arm is connected to the second motor module. The second motor module is connected to the air deflector. The first motor module is used to drive the rocker arm to swing to control the opening and closing of the air deflector, and the second motor module is used to drive the air deflector to rotate to control the tilt angle of the air deflector. The motor wires of the first motor module and the second motor module form the control wire harness.

[0016] The air conditioner indoor unit of another embodiment of the present utility model includes a frame body assembly, and the frame body assembly is the frame body assembly according to any one of the embodiments of the present utility model; a base and an evaporator. The base is arranged at the rear side of the frame body and encloses an installation cavity, and the evaporator is arranged in the installation cavity.

[0017] According to the air conditioner indoor unit of the embodiment of the present utility model, since the inner wall surface of the frame body is provided with a wire routing portion, the control wire harness of the air guiding component can be fixed on the frame body through the wire routing portion. Thus, the position of the control wire harness can be restricted, and the contact between the control wire harness and the wall surface of the evaporator can be avoided, thereby reducing the probability of the control wire harness contacting condensed water and reducing the potential safety hazard during the operation of the air conditioner indoor unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the air conditioner indoor unit of the embodiment of the present utility model.

[0019] Figure 2 is a schematic diagram of the frame body assembly of the embodiment of the present utility model.

[0020] Figure 3 is a partial schematic diagram of the frame body assembly of the embodiment of the present utility model.

[0021] Figure 4 is another partial schematic diagram of the frame body assembly of the embodiment of the present utility model.

[0022] Figure 5 is Figure 4 an enlarged view of A in

[0023] Figure 6 is Figure 4 an enlarged view of B in

[0024] Figure 7 is a cross-sectional view of the air conditioner indoor unit of the embodiment of the present utility model.

[0025] REFERENCE SIGNS:

[0026] 1. Frame body; 11. Air inlet; 12. Air outlet; 13. Wire routing portion; 131. First wire clamping buckle; 1311. First wire clamping cavity; 1312. Main body section; 1313. Guide section; 132. Second wire clamping buckle; 1321. First hook; 1322. Second hook; 1323. Second wire clamping cavity; 1324. Pressure plate;

[0027] 2. Air guiding component; 21. Air guiding plate; 22. Driving component; 221. First motor module; 222. Second motor module; 223. Rocker arm; 224. Control wire harness;

[0028] 3. Display module; 31. Display screen; 32. Display box; 321. Wire blocking block;

[0029] 4. Base;

[0030] 5. Evaporator. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.

[0032] Reference is made below to the attached Figures 1 to 7 Describe the cabinet assembly and the indoor unit of the air conditioner according to the embodiments of the present utility model.

[0033] As Figures 1 to 4 As shown, the cabinet assembly of the embodiment of the present utility model includes a cabinet 1 and a wind guiding assembly 2. An air inlet 11 and an air outlet 12 are provided on the cabinet 1. The air outlet 12 is provided on the front wall surface of the cabinet 1, and the air inlet 11 is provided on the bottom wall surface of the cabinet 1. A wire routing portion 13 is provided on the inner wall surface of the cabinet 1. The wind guiding assembly 2 includes a driving component 22 and a wind guiding plate 21. The wind guiding plate 21 is provided at the air outlet 12, and the driving component 22 is provided on the cabinet 1 and connected to the wind guiding plate 21. The driving component 22 has a control wire harness 224, and the control wire harness 224 is installed in the wire routing portion 13.

[0034] According to the cabinet assembly of the embodiment of the present utility model, since the wire routing portion 13 is provided on the inner wall surface of the cabinet 1, the control wire harness 224 of the wind guiding assembly 2 can be fixed on the cabinet 1 through the wire routing portion 13. Thus, the position of the control wire harness 224 can be restricted, and the contact between the control wire harness 224 and the wall surface of the evaporator 5 can be avoided, thereby reducing the probability of the control wire harness 224 contacting condensed water and reducing the potential safety hazard during the operation of the indoor unit of the air conditioner.

[0035] In the example of the present application, since the air inlet 11 is provided on the lower end surface of the cabinet 1 and the front wall surface of the cabinet 1 is open to form the air outlet 12, the indoor unit of the air conditioner of the embodiment of the present utility model can be installed against the ceiling. It can be understood that since the air in the environment does not need to enter the interior of the indoor unit of the air conditioner from directly above the cabinet 1, the distance between the indoor unit of the air conditioner and the ceiling of the room can be greatly reduced or eliminated, thereby improving the utilization rate of the indoor space. Especially for rooms with a relatively low height, the cramped feeling of the indoor space can be effectively reduced or eliminated. Therefore, the indoor unit of the air conditioner of the embodiment of the present utility model has very low requirements for the installation space, and the installation space only needs to be able to accommodate the indoor unit of the air conditioner, without leaving an air inlet space or an air outlet space above the indoor unit of the air conditioner, thereby expanding the applicable range of the indoor unit of the air conditioner.

[0036] Optionally, as Figure 3As shown, the air outlet 12 is provided at the upper side position of the front wall surface of the frame body 1. It can be understood that the air outlet 12 is arranged on the front wall surface of the frame body 1 and adjacent to the ceiling. The wire routing part 13 includes a first wire clamping buckle 131. The first wire clamping buckle 131 is arranged adjacent to the air outlet 12 and is located below the air outlet 12. The control wire harness 224 is clamped in the first wire clamping buckle 131. Since the first wire clamping buckle 131 is located below the air outlet 12 and adjacent to the air outlet 12, it can not only reduce the winding of the control wire harness 224 and shorten the routing path of the control wire harness 224, but also keep the control wire harness 224 as far away as possible from the water receiving tray at the lower end of the air conditioner indoor unit. Thus, the probability of the control wire harness 224 contacting condensed water can be reduced, and the electrical safety of the air conditioner indoor unit can be improved.

[0037] Optionally, as Figure 2 shown, there are two driving components 22. The two driving components 22 are respectively arranged on both sides of the length direction of the air deflector 21. The first wire clamping buckles 131 are multiple. The multiple first wire clamping buckles 131 are arranged at intervals along the length direction of the frame body 1. The control wire harness 224 of at least one driving component 22 is arranged in the first wire clamping buckle 131. It can be understood that both of the two driving components 22 have control wire harnesses 224. The control wire harnesses 224 of the two driving components 22 need to be gathered together and then introduced into the electric control box. Since the electric control box is usually arranged on one side of the length direction of the base 4, the driving component 22 located on the other side of the electric control box needs to lead the wire through multiple first wire clamping buckles 131. Thus, the firmness of the installation of the control wire harness 224 can be improved, and further, the problem that the control wire harness 224 droops and hangs in the air and contacts the wall surface of the evaporator 5 can be prevented.

[0038] In an example, as Figure 4 and Figure 5 shown, the first wire clamping buckle 131 and the inner wall surface of the frame body 1 define a first wire clamping cavity 1311. The first wire clamping cavity 1311 opens upward. It can be understood that the upper end of the first wire clamping cavity 1311 has an opening. Therefore, the control wire harness 224 can be pressed into the first wire clamping cavity 1311 from the upper end of the first wire clamping buckle 131. On the one hand, the convenience of installing the control wire harness 224 can be improved. On the other hand, since the opening of the first wire clamping cavity 1311 faces upward, the control wire harness 224 is not easily detached from the first wire clamping cavity 1311, and the reliability of installing the control wire harness 224 can be improved.

[0039] Specifically, as Figure 5As shown, the first wire clamping buckle 131 includes a main body section 1312 and a guiding section 1313. The lower end of the main body section 1312 is connected to the housing 1. The main body section 1312 and the housing 1 define a first wire clamping cavity 1311. The lower end of the guiding section 1313 is connected to the upper end of the main body section 1312, and the upper end of the guiding section 1313 gradually extends obliquely towards the rear side of the housing 1. It can be understood that the upper end surface of the guiding section 1313 is an inclined surface, and the inclined surface and the inner wall surface of the housing 1 define a funnel-shaped opening structure. Thus, when the control wire harness 224 is pressed into the first wire clamping cavity 1311, the operator can utilize the inclined surface of the guiding section 1313 to press the control wire harness 224 into the first wire clamping cavity 1311, thereby further improving the assembly efficiency of the control wire harness 224.

[0040] In some embodiments, as Figure 4 and Figure 6 shown, the wire routing portion 13 further includes a second wire clamping buckle 132. The second wire clamping buckle 132 is disposed on one side in the length direction of the housing 1, and the second wire clamping buckle 132 is located below the first wire clamping buckle 131. It can be understood that the control wire harness 224 needs to be introduced into the electric control box from below the electric control box. Thus, the control wire harness 224 needs to extend a certain distance along the up-and-down direction of the housing 1 before being introduced into the electric control box. In the embodiment of the present utility model, by providing the second wire clamping buckle 132, the position of the downwardly extending control wire harness 224 can be restricted to prevent the control wire harness 224 from contacting the wall surface of the evaporator 5, reducing the probability of the control wire harness 224 contacting condensed water and minimizing the potential safety hazard during the operation of the indoor unit of the air conditioner.

[0041] Specifically, as Figure 4 and Figure 6 shown, there are multiple second wire clamping buckles 132, and the multiple second wire clamping buckles 132 are arranged at intervals along the up-and-down direction of the housing 1. Thus, the position of the control wire harness 224 can be further restricted to prevent the control wire harness 224 from contacting the wall surface of the evaporator 5, reducing the probability of the control wire harness 224 contacting condensed water and minimizing the potential safety hazard during the operation of the indoor unit of the air conditioner.

[0042] For example, as Figure 6 shown, the second wire clamping buckle 132 includes a first hook 1321 and a second hook 1322. The first hook 1321 and the second hook 1322 are arranged at intervals along the length direction of the housing 1, and enclose a second wire clamping cavity 1323. The control wire harness 224 is clamped in the second wire clamping cavity 1323. It can be understood that the first hook 1321 and the second hook 1322 are arranged opposite to each other in the left-right direction, and there is a first gap between the end of the first hook 1321 and the end of the second hook 1322. The operator can press the control wire harness 224 into the second wire clamping cavity 1323 through the first gap. Thus, it is convenient for the processing and manufacturing of the second wire clamping buckle 132, and the wire pressing step is simple and easy to operate.

[0043] Optionally, as Figure 1 , Figure 4 and Figure 6 shown, the frame assembly further includes a display module 3, the display module 3 includes a display screen 31 and a display box 32, the display screen 31 is arranged on the front wall surface of the frame 1, the display box 32 is arranged on the rear side of the display screen 31, the second wire clamping buckle 132 includes a pressing plate 1324, and the baffle and the outer side wall of the display box 32 define a second wire clamping cavity 1323. It can be understood that the frame assembly of the embodiment of the present utility model utilizes the self-structure of the display box 32 to cooperate with the pressing plate 1324 to form the second wire clamping cavity 1323, thereby making the structure of the frame assembly compact, easy to process and manufacture, and having a lower cost.

[0044] For example, as Figure 4 and Figure 6 shown, the display box 32 is provided with a wire blocking block 321, the wire blocking block 321 extends towards the pressing plate 1324, and the wire blocking block 321 and the pressing plate 1324 jointly define the second wire clamping cavity 1323, thereby reducing the probability of the control wire harness 224 disengaging from the second wire clamping buckle 132, which is beneficial to improving the reliability of the control wire harness 224 after installation.

[0045] In the example of the present application, as Figure 3 and Figure 4 shown, the driving component 22 includes a first motor module 221, a second motor module 222 and a rocker arm 223, the first motor module 221 is arranged on the frame 1 and is connected to one end of the rocker arm 223, the other end of the rocker arm 223 is connected to the second motor module 222, the second motor module 222 is connected to the air deflector 21, the first motor module 221 is used to drive the rocker arm 223 to swing to control the opening and closing of the air deflector 21, the second motor module 222 is used to drive the air deflector 21 to rotate to control the tilt angle (air guiding angle) of the air deflector 21, and the motor wires of the first motor module 221 and the second motor module 222 constitute the control wire harness 224. It can be understood that the motor wires of the first motor module 221 and the second motor module 222 are both fixed by pressing through the first wire clamping buckle 131 and the second wire clamping buckle 132.

[0046] Among them, the first motor module 221 can be a structure of "motor + reducer", or a single motor structure. Similarly, the second motor module 222 can be a structure of "motor + reducer", or a single motor structure. The present application does not limit this.

[0047] In addition, since the motor wires of the first motor module 221 and the second motor module 222 are fixed by pressing through the first wire clamping buckle 131 and the second wire clamping buckle 132, it is possible to prevent the motor wires (control wire harnesses) from contacting the first motor module 221 and the second motor module 222, and avoid the problem that the vibration of the first motor module 221 and the second motor module 222 is transmitted to the motor wires (control wire harnesses) to generate abnormal noises.

[0048] As Figures 1 to 7 shown, the indoor air conditioner of another embodiment of the present invention includes a frame assembly, a base 4 and an evaporator 5. The frame assembly is the frame assembly of the present invention. The base 4 is provided at the rear side of the frame 1 and encloses an installation cavity, and the evaporator 5 is provided in the installation cavity.

[0049] According to the indoor air conditioner of the embodiment of the present invention, since the wire routing portion 13 is provided on the inner wall surface of the frame 1, the control wire harness 224 of the air guiding assembly 2 can be fixed on the frame 1 through the wire routing portion 13. Thus, the position of the control wire harness 224 can be restricted, and the contact between the control wire harness 224 and the wall surface of the evaporator 5 can be avoided, thereby reducing the probability of the control wire harness 224 contacting condensed water and reducing the potential safety hazard during the operation of the indoor air conditioner.

[0050] 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. It is 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 thus cannot be understood as a limitation to the present invention.

[0051] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0052] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "coupling", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0053] In the present utility model, unless otherwise clearly stipulated and defined, 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 indirectly in 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 first feature is at a higher level than the second feature in terms of horizontal height. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature in terms of horizontal height.

[0054] In the present utility model, terms such as "one 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 description 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 a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0055] Although the above embodiments have been shown and described, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Any changes, modifications, substitutions, and variations made by those of ordinary skill in the art to the above embodiments are within the protection scope of the present utility model.

Claims

1. A frame component, characterized in that, Comprising: A housing (1), on which an air inlet (11) and an air outlet (12) are provided. The air outlet (12) is provided on the front wall surface of the housing (1), and the air inlet (11) is provided on the bottom wall surface of the housing (1). A wire routing portion (13) is provided on the inner wall surface of the housing (1); An air guiding assembly (2), which includes a driving component (22) and a guiding plate (21). The guiding plate (21) is provided at the air outlet (12), the driving component (22) is provided on the housing (1) and is connected to the guiding plate (21). The driving component (22) has a control wire harness (224), and the control wire harness (224) is installed in the wire routing portion (13).

2. The housing assembly according to claim 1, wherein, The air outlet (12) is provided at the upper side position of the front wall surface of the housing (1). The wire routing portion (13) includes a first wire clamping buckle (131). The first wire clamping buckle (131) is arranged adjacent to the air outlet (12) and is located below the air outlet (12). The control wire harness (224) is clamped in the first wire clamping buckle (131).

3. The housing assembly according to claim 2, wherein, There are two driving components (22), and the two driving components (22) are respectively arranged on both sides in the length direction of the guiding plate (21). There are multiple first wire clamping buckles (131), and the multiple first wire clamping buckles (131) are arranged at intervals in the length direction of the housing (1). The control wire harness (224) of at least one driving component (22) is arranged in the first wire clamping buckle (131).

4. The housing assembly according to claim 2, wherein The first wire clamping buckle (131) and the inner wall surface of the housing (1) define a first wire clamping cavity (1311), and the first wire clamping cavity (1311) opens upward.

5. The housing assembly according to claim 4, wherein, The first wire clamping buckle (131) includes a main body section (1312) and a guiding section (1313). The lower end of the main body section (1312) is connected to the housing (1) and defines the first wire clamping cavity (1311) with the housing (1). The lower end of the guiding section (1313) is connected to the upper end of the main body section (1312), and the upper end of the guiding section (1313) gradually extends obliquely toward the rear side of the housing (1).

6. The housing assembly according to claim 2, wherein, The wire routing portion (13) further includes a second wire clamping buckle (132). The second wire clamping buckle (132) is provided on one side in the length direction of the housing (1), and the second wire clamping buckle (132) is located below the first wire clamping buckle (131).

7. The housing assembly according to claim 6, wherein, There are multiple second wire clamping buckles (132), and the multiple second wire clamping buckles (132) are arranged at intervals in the up-and-down direction of the housing (1).

8. The housing assembly according to claim 6, wherein The second wire clamping buckle (132) includes a first hook (1321) and a second hook (1322). The first hook (1321) and the second hook (1322) are arranged at intervals in the length direction of the housing (1) and enclose a second wire clamping cavity (1323). The control wire harness (224) is clamped in the second wire clamping cavity (1323).

9. The housing assembly according to any one of claims 1-8, characterized in that, The driving component (22) includes a first motor module (221), a second motor module (222) and a rocker arm (223). The first motor module (221) is arranged on the frame body (1) and connected to one end of the rocker arm (223). The other end of the rocker arm (223) is connected to the second motor module (222). The second motor module (222) is connected to the air deflector (21). The first motor module (221) is used to drive the rocker arm (223) to swing so as to control the opening and closing of the air deflector (21). The second motor module (222) is used to drive the air deflector (21) to rotate so as to control the tilt angle of the air deflector (21). The motor wires of the first motor module (221) and the second motor module (222) form the control wire harness (224).

10. An indoor unit of an air conditioner, characterized in that, Comprising: A frame body assembly, which is the frame body assembly according to any one of claims 1-9; A base (4) and an evaporator (5). The base (4) is arranged at the rear side of the frame body (1) and encloses an installation cavity, and the evaporator (5) is arranged in the installation cavity.

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