Wiring board support, electric appliance box assembly and air conditioner

Abstract

The utility model discloses a wiring board support, an electric appliance box assembly and an air conditioner, and the wiring board support comprises a first support (1) which comprises a first bottom plate (11) which is provided with a first installation surface used for installing a first wiring board (51), and a first connection plate (18) which is vertically arranged on one surface, back to the first installation surface, of the first bottom plate (11) and is provided with a wire passing hole (14); the second support (3) comprises a second connecting plate (37) connected with the first support (1) and a second bottom plate (31) connected with the second connecting plate (37) and provided with a second mounting surface used for mounting a second wiring board (52), the second bottom plate (31) and the first bottom plate (11) are arranged side by side in the first direction perpendicular to the first connecting plate (18), and the second bottom plate (31) and the first bottom plate (11) are arranged side by side in the second direction perpendicular to the first mounting surface. And the second mounting surface and the first bottom plate (11) are arranged at an interval, and the second mounting surface is positioned on one side, close to the first connecting plate (18), of the first bottom plate (11) so as to form a channel for a cable connected with the second wiring plate (52) to extend towards the wire passing hole (14).

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and more specifically, to a wiring board bracket, an electrical box assembly and an air conditioner. Background Art

[0002] At present, the side-outlet multi-connected air conditioner has an increasingly large market share due to its unique advantages of small floor area, preferential price, light weight, etc. Although it has obvious advantages, it often brings difficulties to the development of new models by borrowing the housing in the later stage, because the housing is often reduced to the limit at the initial design stage, especially the design of the electrical box. When developing new models later, different sales regions may face the problem of choosing different wiring boards and more wiring boards. Summary of the Utility Model

[0003] The utility model aims to provide a wiring board bracket, an electrical box assembly and an air conditioner to improve the problem that the housing and electrical box of the existing air conditioner cannot be applicable to different wiring boards.

[0004] According to one aspect of the embodiments of the utility model, the utility model provides a wiring board bracket, which includes:

[0005] A first bracket, including a first bottom plate having a first mounting surface for mounting a first wiring board and a first connecting plate erected on a surface of the first bottom plate opposite to the first mounting surface and provided with a wire passing hole; and

[0006] A second bracket, including a second connecting plate connected to the first bracket and a second bottom plate connected to the second connecting plate and having a second mounting surface for mounting a second wiring board. The second bottom plate is arranged side by side with the first bottom plate along a first direction perpendicular to the first connecting plate. In a second direction perpendicular to the first mounting surface, the second mounting surface is spaced from the first bottom plate and the second mounting surface is located on a side of the first bottom plate close to the first connecting plate, so as to form a channel for the first cable connected to the second wiring board to extend towards the wire passing hole.

[0007] In some embodiments, the wiring board bracket further includes a protection plate, which covers the surface of the first bottom plate opposite to the first mounting surface to prevent the first cable connected to the second wiring board from contacting the first screw for mounting the first wiring board on the first bottom plate.

[0008] In some embodiments, the first bottom plate is provided with a first screw hole adapted to the first screw, and the protection plate includes a recessed portion recessed away from the first bottom plate and opposite to the first screw hole.

[0009] In some embodiments, a first relief portion is correspondingly provided on the recessed portion of the protection plate and corresponds to at least one first screw hole. The first relief portion includes a relief hole. The screw disposed in the screw hole extends into the relief hole, and the screw does not protrude from the surface of the protection plate facing away from the first bottom plate.

[0010] In some embodiments, a ground wire hole for installing a threaded connector for the ground wire is provided on the first bottom plate, and a through hole allowing the threaded connector to pass through and opposite to the ground wire hole is provided on the protection plate.

[0011] In some embodiments, the wiring board bracket further includes a first positioning portion for positioning the protection plate at a predetermined installation position relative to the first bottom plate. The first positioning portion includes a first positioning structure provided on the first bottom plate and a second positioning structure provided on the protection plate and adapted to the first positioning structure. One of the first positioning structure and the second positioning structure is a positioning protrusion, and the other is a positioning hole.

[0012] In some embodiments, a second positioning portion for positioning the first wiring board at a predetermined installation position on the first installation surface is further provided on the first installation surface. The second positioning portion includes a positioning protrusion or a positioning hole.

[0013] In some embodiments, the second connecting plate is spaced apart from the first bottom plate. A first side plate is erected on the side of the second connecting plate facing the first bottom plate, and a second side plate is provided on the side of the first bottom plate facing the second connecting plate. The first side plate and the second side plate are connected.

[0014] In some embodiments, the wiring board bracket further includes a second positioning portion for positioning the first side plate at a predetermined installation position relative to the second side plate. The second positioning portion includes a third positioning structure provided on the first side plate and a fourth positioning structure provided on the second side plate and adapted to the third positioning structure. One of the third positioning structure and the fourth positioning structure is a positioning protrusion, and the other is a positioning hole.

[0015] In some embodiments, a third positioning portion for positioning the second wiring board at a predetermined installation position on the second installation surface is further provided on the second installation surface. The third positioning portion includes a positioning protrusion or a positioning hole.

[0016] In some embodiments, the second bracket further includes an inclined plate connecting the second connecting plate and the second bottom plate. In the second direction, the second bottom plate is closer to the first bottom plate than the second connecting plate. One end of the inclined plate is connected to the second connecting plate, and the other end is connected to the second bottom plate.

[0017] In some embodiments,

[0018] A first connecting portion for connecting an electrical box is provided at one end of the first connecting plate away from the first bottom plate;

[0019] A second connecting portion for connecting the housing of the air conditioner is provided on the first bottom plate;

[0020] A vertical plate is erected on the second bottom plate, and a third connecting portion for connecting the housing of the air conditioner is provided at one end of the vertical plate away from the second bottom plate;

[0021] A fourth connecting portion for connecting a stop member that prevents the pipeline of the air conditioner from contacting the first wiring board and the second wiring board is provided at one end of the second bottom plate away from the first bottom plate.

[0022] According to another aspect of the present invention, an electrical box assembly is further provided. In some embodiments, it includes:

[0023] An electrical box;

[0024] The above-mentioned wiring board bracket, and the wiring board bracket is connected to the electrical box.

[0025] According to another aspect of the present invention, an air conditioner is further provided. In some embodiments, it includes the above-mentioned electrical box assembly.

[0026] Applying the technical solution of the present application,

[0027] Through the following detailed description of the exemplary embodiments of the present invention with reference to the accompanying drawings, other features and advantages of the present invention will become clear. Description of the Drawings

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0029] Figure 1 A three-dimensional structural schematic diagram of the wiring board bracket showing an embodiment of the present invention;

[0030] Figure 2 An exploded view of the wiring board bracket showing an embodiment of the present invention;

[0031] Figure 3 A structural schematic diagram showing a first state of the first bracket and the protection plate of the wiring board bracket showing an embodiment of the present invention;

[0032] Figure 4 A structural schematic diagram showing a second state of the first bracket and the protection plate of the wiring board bracket showing an embodiment of the present invention;

[0033] Figure 5Shows a schematic perspective view of another angle of the junction board bracket of the embodiment of the present utility model;

[0034] Figure 6 Shows a schematic structural view of the electrical box of the electrical box assembly of the embodiment of the present utility model;

[0035] Figure 7 Shows a schematic structural view of the electrical box and the junction board bracket of the electrical box assembly of the embodiment of the present utility model;

[0036] Figure 8 Shows a schematic cross-sectional view of the electrical box assembly of the embodiment of the present utility model;

[0037] Figure 9 Shows a schematic structural view of the electrical box assembly of the embodiment of the present utility model. Detailed implementation manners

[0038] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way limits the present utility model and its application or use. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion.

[0040] Referring to "embodiments" herein means that the specific features, structures or characteristics described in conjunction with the embodiments can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0041] In the description of this application, it should be noted that unless otherwise specified, the meaning of "a plurality" is more than two; the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to this application. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. "Vertical" is not strictly vertical, but within the allowable error range. "Parallel" is not strictly parallel, but within the allowable error range.

[0042] The orientation terms appearing in the following description are all the directions shown in the figures and do not limit the specific structure of this application. In the description of this application, it should also be noted that unless otherwise clearly specified and limited, the terms "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0043] If there is no special instruction, the "including" and "comprising" mentioned in this application mean open-ended, and can also be closed-ended. For example, the "including" and "comprising" can mean that other components not listed can also be included or comprised, or it can only include or comprise the listed components.

[0044] If there is no special instruction, in this application, the term "or" is inclusive. For example, the phrase "A or B" means "A, B, or both A and B". More specifically, any of the following conditions satisfies the condition "A or B": A is true or exists and B is false or does not exist; A is false or does not exist while B is true or exists; or both A and B are true or exist.

[0045] See Figures 1 to 5 and Figure 8 and 9 , the wiring board bracket of this embodiment includes a first bracket 1 and a second bracket 3.

[0046] The first bracket 1 includes a first bottom plate 11 having a first mounting surface for mounting a first wiring board 51 and a first connecting plate 18 standing on one side of the first bottom plate 11 opposite to the first mounting surface and provided with a wire passing hole 14; and

[0047] The second bracket 3 includes a second connecting plate 37 connected to the first bracket 1 and a second bottom plate 31 connected to the second connecting plate 37 and having a second mounting surface for mounting the second wiring board 52. The second bottom plate 31 and the first bottom plate 11 are arranged side by side in a first direction perpendicular to the first connecting plate 18. In a second direction perpendicular to the first mounting surface, the second mounting surface is spaced from the first bottom plate 11 and the second mounting surface is located on a side of the first bottom plate 11 close to the first connecting plate 18, so as to form a channel for the first cable A connected to the second wiring board 52 to extend towards the wire passing hole 14.

[0048] In the technical solution of this embodiment, the wiring board bracket includes a first bottom plate 11 for mounting the first wiring board 51 and a second bottom plate 31 for mounting the second wiring board 52. Therefore, the wiring board bracket of this embodiment can be used to mount and carry different wiring boards, improving the problem in the prior art that it cannot be applied to different wiring boards. Further, the second cable B connected to the first wiring board 51 can be routed on a side of the first bottom plate 11 away from the first connecting plate 18, and the first cable A connected to the second wiring board 52 can be routed on a side close to the first connecting plate 18, which not only enables the wiring board bracket to mount different wiring boards, but also separates the cables connected to different wiring boards to avoid mutual interference between them. See Figure 8 and Figure 9 .

[0049] The wiring board bracket further includes a protective plate 2. The protective plate 2 covers a side of the first bottom plate 11 facing away from the first mounting surface to prevent the first cable A connected to the second wiring board 52 from contacting the first screw for mounting the first wiring board 51 on the first bottom plate 11. The protective plate 2 separates the first screw from the cable connected to the second wiring board 52, which is beneficial to avoiding damage to the first cable A by the first screw.

[0050] In some embodiments, the first bottom plate 11 is provided with a first screw hole 17 adapted to the first screw. The protective plate 2 includes a recessed portion 22 recessed in a direction away from the first bottom plate 11 opposite to the first screw hole 17. The recessed portion 22 provides a receiving space for the screw passing through the first screw hole 17 and covers the head of the screw passing through the first screw hole 17 to prevent the head of the screw from damaging the first cable A connected to the second wiring board 52.

[0051] In some embodiments, a first relief portion 21 corresponding to at least one first screw hole 17 is provided on the recessed portion 22 of the protection plate 2. The first relief portion 21 includes a relief hole. The screw disposed in the screw hole 17 extends into the relief hole, and the screw does not protrude from the surface of the protection plate 2 facing away from the first base plate 11. On the premise of ensuring that the screw passing through the first screw hole 17 does not damage the first cable A connected to the second wiring board 52, since the protection plate 2 is attached to the surface of the first base plate 11 facing away from the first wiring board 51, a channel for accommodating the first cable A is formed on the side of the protection plate 2 facing away from the first base plate 11 (specifically, this channel is formed between the protection plate 2 and the second connection plate 37). The protection plate 2 attached to the first base plate 11 provides sufficient channels for the first cable A connected to the second wiring board 52.

[0052] In some embodiments, a ground wire hole 16 for installing a threaded connector for the ground wire is provided on the first base plate 11, and a through hole 24 allowing the threaded connector to penetrate and opposite to the ground wire hole 16 is provided on the protection plate 2. Refer to Figure 3 and Figure 4 , one end of the ground wire is connected to the electrical point on the wiring board, and the other end is connected to the threaded connector passing through the bottom wire hole and the through hole 24. The wiring board bracket is connected to the ground, thereby realizing the connection between the electricity on the wiring board and the ground, which is beneficial to preventing high-voltage electricity from damaging electrical equipment.

[0053] The wiring board bracket further includes a first positioning portion for positioning the protection plate 2 at a predetermined installation position relative to the first base plate 11. The first positioning portion includes a first positioning structure 13 provided on the first base plate 11 and a second positioning structure 23 provided on the protection plate 2 and adapted to the first positioning structure 13. One of the first positioning structure 13 and the second positioning structure 23 is a positioning protrusion, and the other is a positioning hole. The first positioning portion positions the protection plate 2 relative to the first base plate 11 at a predetermined installation position, so as to facilitate welding the two together. On the premise of ensuring the installation accuracy of the two, it helps to improve the installation efficiency.

[0054] A second positioning portion 12 for positioning the first wiring board 51 at a predetermined installation position on the first installation surface is further provided on the first installation surface. The second positioning portion 12 includes a positioning protrusion or a positioning hole. The second positioning portion 12 is beneficial to improving the installation accuracy of the first wiring board 51 relative to the first installation surface, and is also beneficial to improving the efficiency of installing the first wiring board 51 on the first installation surface.

[0055] The second connecting plate 37 is arranged at an interval from the first bottom plate 11. A first side plate 39 is erected on the side of the second connecting plate 37 facing the first bottom plate 11. A second side plate 111 is arranged on the side of the first bottom plate 11 facing the second connecting plate 37. The first side plate 39 and the second side plate 111 are connected. The second connecting plate 37 is parallel to and spaced from the first bottom plate 11. The second connecting plate 37 is arranged at the end of the first connecting plate 18 away from the first bottom plate 11. A frame structure is formed among the first side plate 39, the second side plate 111, the first bottom plate 11 and the second connecting plate 37 to form a channel allowing the cable connected to the second wiring board 52 to pass through. The frame structure is beneficial to improving the overall stiffness and stability to protect the cable located therein.

[0056] The wiring board bracket further includes a second positioning portion for positioning the first side plate 39 at a predetermined installation position relative to the second side plate 111. The second positioning portion includes a third positioning structure 33 arranged on the first side plate 39 and a fourth positioning structure 19 arranged on the second side plate 111 and adapted to the third positioning structure 33. One of the third positioning structure 33 and the fourth positioning structure 19 is a positioning protrusion, and the other is a positioning hole. The second positioning portion positions the first side plate 39 and the second side plate 111 at a predetermined relative position to facilitate the welding of the two, thereby improving the processing efficiency and processing accuracy.

[0057] A third positioning portion 36 for positioning the second wiring board 52 at a predetermined installation position on the second installation surface is further arranged on the second installation surface. The third positioning portion 36 includes a positioning protrusion or a positioning hole. It is beneficial to ensure the installation accuracy of the second wiring board 52 on the second installation surface and also beneficial to improving the installation efficiency.

[0058] The second bracket 3 further includes an inclined plate 32 connecting the second connecting plate 37 and the second bottom plate 31. In the second direction, the second bottom plate 31 is closer to the first bottom plate 11 than the second connecting plate 37. One end of the inclined plate 32 is connected to the second connecting plate 37, and the other end is connected to the second bottom plate 31. The inclined plate 32 not only serves to connect the second bottom plate 31 of the first bracket 1 and the second bracket 3, but also forms a channel communicating with the wire passing hole 14 between it and the first substrate 11 to allow the cable connected to the second wiring board 52 to pass through.

[0059] Furthermore, the inclined plate 32 arranged obliquely can also make way for other components below the wiring board bracket. The inclined plate 32 realizes the spaced arrangement of the first bottom plate 11 and the second bottom plate 31 in the second direction perpendicular to the first bottom plate 11 and places the second bottom plate 31 at a position closer to the first bottom plate 11 in the second direction, so that the spacing between the first bottom plate 11 and the second bottom plate 31 in the second direction is appropriate. Compared with the position where the second bottom plate 31 is farther from the first bottom plate 11 in the second direction, the second bottom plate 31 is located at a position of the first cable A that is more convenient for the operator to connect. Optionally, a part of the terminal on the second wiring board 52 is connected to the components in the electrical box 4, and the other part is electrically connected to the external components.

[0060] One end of the first connecting plate 18 away from the first bottom plate 11 is provided with a first connecting portion 15 for connecting the electrical box 4. One end of the first connecting plate 18 away from the first bottom plate 11 is provided with a first flanging parallel to the first bottom plate 11. The first connecting portion includes a connecting hole provided on the first flanging, and the connecting hole can be a through hole allowing a threaded connector connecting the first flanging and the electrical box 4 to pass through. On the basis of realizing the function of carrying different wiring boards, the wiring board bracket of this embodiment also integrates a structure for connecting the electrical box 4. On the premise of enriching the wiring board bracket, it is beneficial to simplify the structure and reduce the cost.

[0061] The first bottom plate 11 is provided with a second connecting portion 110 for connecting the housing of the air conditioner; the second connecting portion 110 can be a through hole allowing a threaded connector connecting the first bottom plate 11 and the housing of the air conditioner to pass through. On the basis of realizing the function of carrying different wiring boards, the wiring board bracket also integrates a structure for connecting the housing of the air conditioner. On the premise of enriching the wiring board bracket, it is beneficial to simplify the structure and reduce the cost.

[0062] A vertical plate is erected on the second bottom plate 31. One end of the vertical plate away from the second bottom plate 31 is provided with a third connecting portion 34 for connecting the housing of the air conditioner. One end of the vertical plate away from the second bottom plate 31 is provided with a second flanging parallel to the second mounting surface. The third connecting portion 34 includes a through hole provided on the second flanging allowing a threaded connector connecting the second bracket 3 and the housing of the air conditioner to pass through. On the basis of realizing the function of carrying different wiring boards, the wiring board bracket also integrates a structure for connecting the housing of the air conditioner. On the premise of enriching the wiring board bracket, it is beneficial to simplify the structure and reduce the cost.

[0063] One end of the second bottom plate 31 away from the first bottom plate 11 is provided with a fourth connecting portion 38 for connecting a stop member that blocks the pipeline of the air conditioner from contacting the first wiring board 51 and the second wiring board 52. The stop member is an elastic member rubber strip connected to the lower end of the second bottom plate 31 to isolate the pipeline of the air conditioner from the wiring boards installed on the first bottom plate 11 and the second bottom plate 31. On the basis of realizing the function of carrying different wiring boards, the wiring board bracket in this embodiment also integrates the function of connecting the stop member, improving the versatility of the wiring board bracket and being beneficial to simplifying the structure.

[0064] According to another aspect of the present invention, there is also provided an electrical box assembly, which includes an electrical box 4 and the above-mentioned wiring board bracket, and the wiring board bracket is connected to the electrical box 4.

[0065] Combined Figures 6 to 9 As shown, the electrical box 4 is provided with a wire groove structure 41 and screw holes 42. The wire groove 41 structure is for the wiring of the connection wires of the wiring board, and the screw holes 42 are used to connect the wiring board bracket structure and the electrical box, and are correspondingly arranged with the above-mentioned first connecting portion 15.

[0066] Specifically, in the technical solution of the present application, first, the first bracket 1 is welded to the protection plate 2, and the positioning is completed through the first positioning structure 13 and the second positioning structure 23, as Figure 3 and 4 shown. Then the protection plate 2 is welded to the back of the first mounting surface of the first bracket 1. Then, the first bracket 1 and the second bracket 3 are positioned and welded again through the fourth positioning structure 19 and the third positioning structure 33, as Figure 5 , and finally a double-layer wiring board bracket structure is formed. This structure makes full use of the space without affecting the wiring, and can install the wiring boards in double. Finally, the wiring board bracket structure is fixed to the electrical box 4 through the first connecting portion 15 and the screw holes 42, as Figure 7 .

[0067] The wiring of the wiring board is as follows: First, the wiring of the first wiring board 51 on the first bracket 1 does not pass through the wire passing hole 14, and the wiring of the wiring board on the second bracket 3 passes through the wire passing hole 14. The wiring schematic diagram is as Figure 8 . Finally, the wire harness passes through the wire groove structure 41.

[0068] According to another aspect of the present invention, there is also provided an air conditioner, which includes the above-mentioned electrical box assembly.

[0069] The above are only exemplary embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wiring board support, characterized in that: include: A first bracket (1) comprises a first base plate (11) having a first mounting surface for mounting a first wiring board (51) and a first connecting plate (18) disposed upright on a side of the first base plate (11) facing away from the first mounting surface and provided with a wire through hole (14); and The second bracket (3) comprises a second connecting plate (37) connected to the first bracket (1) and a second bottom plate (31) connected to the second connecting plate (37) and having a second mounting surface for mounting a second wiring board (52), wherein the second bottom plate (31) and the first bottom plate (11) are arranged side by side along a first direction perpendicular to the first connecting plate (18), and in a second direction perpendicular to the first mounting surface, the second mounting surface and the first bottom plate (11) are arranged at a distance and the second mounting surface is located on a side of the first bottom plate (11) close to the first connecting plate (18), so as to form a channel for a cable connected to the second wiring board (52) to extend to the wire hole (14).

2. The wiring board support according to claim 1, characterized in that: It also includes a protective plate (2), the protective plate (2) covering the side of the first base plate (11) facing away from the first mounting surface, so as to prevent the cable connected to the second wiring board (52) from contacting the first screws for mounting the first wiring board (51) on the first base plate (11).

3. The wiring board support according to claim 2, characterized in that: The first bottom plate (11) is provided with a first screw hole (17) adapted to the first screw, and the protective plate (2) comprises a recessed portion (22) opposite to the first screw hole (17) and recessed in a direction away from the first bottom plate (11).

4. The wiring board support according to claim 3, characterized in that: A first clearance portion (21) is provided on the recessed portion (22) of the protective plate (2) corresponding to at least one of the first screw holes (17), the first clearance portion (21) comprising a clearance hole, a screw provided in the screw hole (17) extending into the clearance hole, and the screw does not protrude from a surface of the protective plate (2) facing away from the first bottom plate (11).

5. The wiring board support according to claim 2, characterized in that: The first bottom plate (11) is provided with a grounding hole (16) for installing a threaded connector of a grounding wire, and the protective plate (2) is provided with a through hole (24) that allows the threaded connector to penetrate and is opposite to the grounding hole (16).

6. The wiring board support according to claim 2, characterized in that: The protective plate (2) is also provided with a first positioning portion for positioning the protective plate (2) at a predetermined installation position relative to the first base plate (11), the first positioning portion comprising a first positioning structure (13) provided on the first base plate (11) and a second positioning structure (23) provided on the protective plate (2) and adapted to the first positioning structure (13), one of the first positioning structure (13) and the second positioning structure (23) being a positioning protrusion and the other being a positioning hole.

7. The wiring board support according to claim 1, characterized in that: The first mounting surface is also provided with a second positioning portion (12) for positioning the first wiring board (51) at a predetermined mounting position on the first mounting surface, the second positioning portion (12) comprising a positioning protrusion or a positioning hole.

8. The wiring board support according to claim 1, characterized in that: The second connecting plate (37) is spaced apart from the first bottom plate (11); a first side plate (39) is vertically provided on a side of the second connecting plate (37) facing the first bottom plate (11); a second side plate (111) is provided on a side of the first bottom plate (11) facing the second connecting plate (37); and the first side plate (39) and the second side plate (111) are connected.

9. The wiring board support according to claim 8, characterized in that: The invention also includes a second positioning portion for positioning the first side plate (39) at a predetermined installation position relative to the second side plate (111), the second positioning portion including a third positioning structure (33) provided on the first side plate (39) and a fourth positioning structure (19) provided on the second side plate (111) and adapted to the third positioning structure (33), one of the third positioning structure (33) and the fourth positioning structure (19) being a positioning protrusion and the other being a positioning hole.

10. The wiring board support according to claim 1, characterized in that: The second mounting surface is also provided with a third positioning portion (36) for positioning the second wiring board (52) at a predetermined mounting position on the second mounting surface, the third positioning portion (36) comprising a positioning protrusion or a positioning hole.

11. The wiring board support according to claim 1, characterized in that: The second bracket (3) further comprises an inclined plate (32) connecting the second connecting plate (37) and the second bottom plate (31); in the second direction, the second bottom plate (31) is closer to the first bottom plate (11) than the second connecting plate (37); one end of the inclined plate (32) is connected to the second connecting plate (37), and the other end is connected to the second bottom plate (31).

12. The wiring board support according to claim 1, characterized in that: One end of the first connecting plate (18) away from the first bottom plate (11) is provided with a first connecting portion (15) for connecting to the electrical appliance box (4); The first bottom plate (11) is provided with a second connection portion (110) for connecting to a housing of an air conditioner; A vertical plate is vertically arranged on the second bottom plate (31), and a third connecting portion (34) for connecting to a shell of an air conditioner is arranged at one end of the vertical plate away from the second bottom plate (31); An end of the second base plate (31) away from the first base plate (11) is provided with a fourth connection portion (38) for connecting a stopper component that blocks the air conditioner pipeline from contacting the first terminal block (51) and the second terminal block (52).

13. An electrical box assembly, characterized in that: include: Electrical box (4); The terminal block bracket according to any one of claims 1 to 12, wherein the terminal block bracket is connected to the electrical box (4).

14. An air conditioner, characterized in that: Including the electrical box assembly as described in claim 13.

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