WO2022179161A1

WO2022179161A1 - Electrical cabinet and air conditioner outdoor unit

Info

Publication number: WO2022179161A1
Application number: PCT/CN2021/128046
Authority: WO
Inventors: 马振豪; 孙冬松; 袁珊珊; 刘娟; 李永德
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-02-26
Filing date: 2021-11-02
Publication date: 2022-09-01
Also published as: CN113015371A; CN113015371B

Abstract

The present application relates to the technical field of air conditioners, and discloses an electrical cabinet and an air conditioner outdoor unit. The electrical cabinet comprises a cabinet body and a cover; a first side of the cover is rotatably connected to a first side of the top of the cabinet body; a second side of the cover is detachably connected to a second side of the cabinet body; a sealing structure is provided between the cabinet body and the cover; fixing pieces are provided on the inner side surface of the cover and are used for connecting and fixing a computer board; and a solder side of the computer board faces towards the cover. In the electrical cabinet and the air conditioner outdoor unit provided in the present application, the sealing structure is provided between the cover and the cabinet body, such that the sealing performance of the electrical cabinet can be improved, thereby improving the stability and reliability of the electrical cabinet in use; the computer board is fixed on the inner side surface of the cover, and the solder side of the computer board faces towards the cover, such that the risk of solder damage caused by mounting the computer board can be lowered, the probability of the damage caused by an operator contacting the solder can also be lowered, and installation is facilitated; and in addition, the convenience for maintenance can be greatly improved.

Description

An electrical box body and an outdoor unit of an air conditioner

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 2021102194887, filed on February 26, 2021, and entitled "An Electrical Appliance Box and Air Conditioner Outdoor Unit", which is fully incorporated herein by reference.

technical field

The present application relates to the technical field of air conditioners, and in particular, to an electrical box body and an outdoor unit of an air conditioner.

Background technique

Most of the electrical boxes of the air conditioner outdoor units adopt the assembly mode of the electrical box cover, the computer board bracket, the computer board, and the electrical box. The computer board is usually fixed on the computer board bracket in the electrical box with screws. The wiring harness of the computer board is fixed by the claws of the electrical box. The electrical box cover, computer board bracket, computer board, and electrical box have many components in this assembly mode, and there are many installation procedures, which are prone to defective products caused by incorrect matching of component specifications.

The existing electrical box assembly mode has many parts, the box is poorly sealed, and tiny animals such as insects can easily enter the top of the computer board (solder side), resulting in short-circuit and burning of the computer board; the computer board is fixed by screws. There is a risk that the screw will destroy the solder, and the hand is easy to touch the solder above the computer board, and it is easy to pierce the hand.

SUMMARY OF THE INVENTION

The present application provides an electrical box body and an outdoor unit of an air conditioner, which are used to solve the problems of poor sealing performance of the existing electrical box body in the assembly mode, high risk of damage to the computer board, and inconvenient installation of the computer board.

The present application provides an electrical box body, comprising a box body and a cover body, a first side of the cover body is rotatably connected to a first side of the top of the box body, and a second side of the cover body is connected to the The second side of the box body is detachably connected, and a sealing structure is arranged between the box body and the cover body, and a fixing piece is arranged on the inner side of the cover body, and the fixing piece is used to connect and fix the computer board, and the soldering side of the computer board faces the cover.

According to the electrical box provided by the present application, a connecting band is connected between the first side of the cover and the first side of the box body, and a thinning groove is provided in the middle part of the connecting band.

According to the electrical box body provided by the present application, a ring of matching groove-bump structures are arranged along the circumferential direction between the top surface of the box body and the cover body.

According to the electrical box provided by the present application, the fixing member includes a fixing claw, a limit table is provided on the inner side of the cover, and the fixing claw is arranged on the limit table, and the computer board is connected to the limit table. The fixing claws are provided with openings corresponding to them.

According to the electrical box body provided by the present application, the box body is provided with a wire outlet hole, the wire outlet hole is used to pass through the wire harness of the computer board, and a fixing ring is arranged between the wire harness and the wire outlet hole, The inner part of the fixing ring is provided with a through wire harness hole along the axial direction, and the middle part of the outer wall of the fixing ring along the axial direction is provided with a ring of clamping grooves, and the clamping groove is used for matching and inserting with the side edge of the wire outlet hole; The inner wall of the outlet hole is provided with a positioning block, and the bottom of the slot is provided with a positioning groove corresponding to the positioning block.

According to the electrical box provided by the present application, the end portions of the fixing ring located on both sides of the clamping groove in the axial direction are respectively in tapered structures; the end portions of the fixing ring corresponding to the positioning groove are provided with The guide groove.

According to the electrical box provided by the present application, the fixing ring is divided into two parts in the circumferential direction, and the two parts of the fixing ring are spliced and connected; the two parts of the fixing ring are provided with matching mounting posts and mounting holes.

According to the electrical box provided in the present application, the box body is provided with a wire harness frame passing through, and the wire harness frame is provided with a matching opening and closing plate, and the first side of the opening and closing plate is connected to the first side of the wire harness frame. The side is rotatably connected, and the wire outlet hole is configured between the second side of the opening and closing plate and the second side of the wire harness frame.

According to the electrical box provided by the present application, the first side of the opening and closing plate is integrally connected with the first side of the wire harness frame, and the first side of the opening and closing plate is provided with a thinned area, and the thinned area is provided with Has a sawtooth structure.

The present application also provides an outdoor unit of an air conditioner, including the above-mentioned electrical box.

The application provides an electrical box body and an outdoor unit of an air conditioner. The cover body and the box body are rotatably connected to facilitate the opening and closing of the cover body, and a sealing structure is arranged between the cover body and the box body, which can improve the electrical The sealing performance of the box body improves the stability and reliability of the electrical box body; the computer board is fixed on the inner side of the cover and the solder side of the computer board faces the cover body. When the computer board is installed, the human operation surface is mainly on the computer board. It can not only reduce the risk of damage to the soldering caused by the installation of the computer board, but also reduce the probability of damage caused by the operator's contact with the soldering, which is convenient for installation; in addition, the setting structure only needs to open the cover without disassembling the computer board. Exposing the electrical appliances of the computer board can greatly improve the convenience of maintenance.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic diagram of an open state with a computer board inside an electrical box provided by the application;

2 is a schematic diagram of an open state of an electrical box provided by the present application without a computer board;

Fig. 3 is the partial enlarged schematic diagram of A part in Fig. 2 provided by this application;

Fig. 4 is the fixed structure schematic diagram of the computer board provided by the present application;

5 is a schematic cross-sectional view of a box body provided by the present application;

6 is a schematic diagram of a box body provided by the present application;

Fig. 7 is the partial enlarged schematic diagram of part B in Fig. 6 provided by this application;

8 is a schematic diagram of the connection between the box body and the cover provided by the present application on the second side;

Fig. 9 is the partial enlarged schematic diagram of C part in Fig. 8 provided by this application;

10 is a schematic diagram of the connection between the box body and the cover provided by the present application on the first side;

FIG. 11 is a schematic diagram of fixing the wiring harness inside the box body provided by the present application;

12 is a schematic diagram of the arrangement structure of the fixing ring provided by the present application;

13 is a schematic structural diagram of a fixed ring provided by the present application;

Figure 14 is an exploded schematic view of the fixing ring provided by the present application;

Figure 15 is a schematic view of a splicing plane of a part of the fixing ring provided by the present application;

16 is a schematic cross-sectional view of an electrical box provided by the present application;

17 is one of the schematic diagrams of the open state of the opening and closing plate on the box body provided by the present application;

18 is the second schematic diagram of the open state of the opening and closing plate on the box body provided by the present application;

Fig. 19 is the partial enlarged schematic diagram of D part in Fig. 18 provided by this application;

FIG. 20 is a schematic diagram of the closed state of the opening and closing plate on the box body provided by the present application.

Reference number:

11. Box body; 111, outlet hole; 112, wire harness frame; 113, opening and closing plate; 1131, thinning area; 1132, sawtooth structure; 114, buckle; 115, sealing groove; 116, heat dissipation frame; 12, cover body; 121, fixed jaw; 122, limit table; 123, sealing ridge; 124, jaw; 13, computer board; 131, heat sink; 14, connecting belt; 141, thinning groove; 2, fixing ring ; 21, card slot; 22, end part; 23, wire harness hole; 24, positioning groove; 25, guide groove; 26, installation hole; 27, installation column; 3, wire harness.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the accompanying drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application. , not all examples. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The electrical box body and the outdoor unit of the air conditioner of the present application will be described below with reference to FIGS. 1 to 20 .

Referring to FIG. 1 , this embodiment provides an electrical box, which includes a box body 11 and a cover 12 . The first side of the cover 12 is rotatably connected to the first side of the top of the box body 11 . side, the second side of the cover body 12 is detachably connected to the second side of the box body 11, and a sealing structure is provided between the box body 11 and the cover body 12, and the cover body The inner side of the 12 is provided with a fixing piece, the fixing piece is used for connecting and fixing the computer board 13 , and the soldering side of the computer board 13 faces the cover body 12 .

The cover 12 of the electrical box can be rotated around the first side to open or close the cover. The second side of the cover body 12 is connected with the second side of the box body 11 to form a closed box body. Due to the sealing structure between the box body 11 and the cover body 12, the cover body 12 and the box body 11 can be sealedly connected, so that Improve the airtightness of the electrical box, effectively prevent insects and other tiny animals from entering the box and cause damage to the computer board. When the box needs to be opened, the connection between the cover 12 and the second side of the box body 11 can be released, so that the box can be opened.

The electrical box body is provided with a fixing piece on the inner side of the cover body 12 , the computer board 13 is connected to the cover body 12 through the fixing piece, and the soldering side of the computer board 13 faces the cover body 12 , that is, the electrical side of the computer board 13 Facing the box body 11 , so that when the cover body 12 and the box body 11 are closed, the solder joints of the computer board 13 are located between the computer board 13 and the cover body 12 , and the electrical appliances of the computer board 13 are located inside the box body 11 . . In this setting structure, when the computer board 13 is installed, the soldered side of the computer board 13 is connected to the cover 12 and the fixing member, and the artificial operation surface is mainly on the electrical side, thereby reducing the damage to the soldering during the installation of the computer board 13. Risk, but also reduce the probability of operator contact with soldering, so as to avoid damage to the operator. In addition, in this arrangement, the electrical appliances of the computer board 13 can be exposed only by opening the cover body 12 without disassembling the computer board 13, which can greatly improve the convenience of maintenance.

In the electrical box provided in this embodiment, the cover 12 and the box body 11 are rotatably connected, which can facilitate the opening and closing of the cover 12, and a sealing structure is arranged between the cover 12 and the box body 11, which can facilitate the opening and closing of the cover 12. Improve the sealing performance of the electrical box, thereby improving the stability and reliability of the electrical box; the computer board 13 is fixed on the inner side of the cover 12 and the soldered side of the computer board 13 faces the cover. When the computer board is installed, artificial The operation surface is mainly on the electrical side of the computer board 13, which can not only reduce the risk of the computer board 13 being damaged by soldering, but also reduce the probability of damage caused by the operator touching the soldering, which is convenient for installation; in addition, the setting structure only needs to open the cover Without disassembling the computer board 13, the electrical appliances of the computer board 13 can be exposed, which can greatly improve the convenience of maintenance.

On the basis of the above-mentioned embodiment, further referring to FIG. 2 and FIG. 3 , in this embodiment, the fixing member includes a fixing claw 121 , the inner side of the cover body 12 is provided with a limiting platform 122 , and the fixing clamp The claws 121 are arranged on the limiting platform 122 , and the computer board 13 is provided with openings corresponding to the fixing claws 121 . The limiting platform 122 is used to support the computer board 13 so that there is a stable distance between the computer board 13 and the inner side surface of the cover body 12 . The fixing claw 121 is used for engaging and fixing the computer board 13 through the opening on the computer board 13 .

Specifically, referring to FIG. 3 , in this embodiment, the fixed claw 121 adopts a split-type tapered claw, that is, the fixed claw 121 includes two opposite and spaced claw bodies, and the end of the fixed claw 121 away from the limit table 122 The overall shape is conical; the diameter of the larger end of the conical section is larger than the diameter of the opening of the computer board 13, and the diameter of the end with the smaller section is smaller than the diameter of the opening; The diameter of the opening on the plate 13. The outer diameter of the connecting section between the cone and the limiting platform 122 may be smaller than the opening diameter of the computer board 13 . Therefore, the computer board 13 can be installed and limited between the fixed claw 121 and the limiting platform 122 , as shown in FIG. 4 .

Further, in another embodiment, the specific structure of the fixing member can also be other, for example, the fixing member can be a support column provided on the inner side of the cover, the support column can be provided with screw holes, and the computer board can also be fixed on the computer board by bolts. on the support column. The specific structure of the fixing member is not limited, and the purpose is to realize the connection and fixation of the computer board.

Further, fixing parts may be provided at the four corners of the inner side surface of the cover body 12 to be connected and fixed with the four corners of the computer board 13 correspondingly. In another embodiment, the specific arrangement position and quantity of the fixing pieces may be other, for example, fixing pieces may also be arranged in the middle of the long side or the middle of the short side of the inner side of the cover body 12, which is not specifically limited, so as to realize The purpose is to stably support the computer board 13 .

On the basis of the above-mentioned embodiment, further, a ring of matching groove-bump structures is arranged between the top surface of the box body 11 and the cover body 12 along the circumferential direction. Matching means that the bumps fit into the grooves. The top surface of the box body 11 and the cover body 12 are plug-connected through the groove-projection structure. Specifically, referring to FIG. 2 , a ring of sealing protruding strips 123 may be provided on the inner side of the cover body 12 along the circumferential direction; referring to FIG. 5 , a ring of sealing grooves 115 may be correspondingly provided on the top surface of the box body 11 along the circumferential direction. When the cover body 12 is closed, the sealing protruding strips 123 on the cover body 12 are correspondingly inserted into the sealing grooves 115 on the box body 11 to form a sealing structure.

Further, in another embodiment, a sealing groove 115 can also be provided on the inner side of the cover body 12 , and a sealing protruding strip 123 is correspondingly provided on the top surface of the box body 11 . Sealing connection between the box body 11 and the cover body 12; it is not specifically limited.

On the basis of the above embodiment, further referring to FIG. 1 and FIG. 2 , a connecting band 14 is connected between the first side of the cover body 12 and the first side of the box body 11 . In this embodiment, the cover body 12 and the box body 11 can be integrally connected on the first side through the connecting belt 14 , that is, one side of the connecting belt 14 is fixedly connected to the first side of the cover body 12 , and the other side of the connecting belt 14 is connected to the first side of the cover body 12 . The first side of the box body 11 is fixedly connected. The connecting belt 14 can be a deformable connecting belt, so as to facilitate the rotation of the cover body 12 . And the middle part of the connecting belt 14 is provided with a thinning groove 141 . That is, a thinned groove 141 is formed in the middle part of the connecting strip 14 by setting a thin area, which can facilitate the rotation of the cover body 12 , as shown in FIG. 1 and FIG. 10 .

Further, the second side of the cover body 12 and the second side of the box body 11 can be detachably connected through a snap structure. Referring to FIG. 1 , in this embodiment, a claw 124 is provided on the second side of the cover body 12 , and a buckle 114 is provided on the second side of the top surface of the box body 11 ; the cover body 12 and the box body 11 pass through on the second side The clamping claw 124 and the clamping buckle 114 are detachably engaged and connected, the structure is simple, and the connection and disassembly are convenient. The specific structure of the clamping claw 124 can be seen in FIG. 3 , and the clamping claw 124 has a bent portion. The specific structure of the clip 114 is shown in FIG. 6 and FIG. 7 , and the clip 114 has an opening. When the cover body 12 is closed, the bent portion of the claws 124 is inserted into the opening of the buckle 114 to achieve connection, as shown in FIGS. 8 and 9 ; when the cover body is opened, the claws 124 and the buckle 114 can be released with force Connection.

Further, in another embodiment, a buckle may also be provided on the cover body 12 , and a claws may be provided on the box body 11 , which is not specifically limited. Further, the detachable connection structure between the second side of the cover body 12 and the second side of the box body 11 can also be other, for example, a buckle structure, etc., so as to realize the detachable connection structure between the cover body and the box body. The purpose of disassembling the connection is not specifically limited.

11 and 12, the box body 11 is provided with a wire outlet hole 111, and the wire outlet hole 111 is used to pass through the wire harness 3 of the computer board 13, so A fixing ring 2 is provided between the wire harness 3 and the wire outlet hole 111 . The fixing ring 2 is used to be sleeved on the wire harness 3 . The fixing ring 2 is arranged between the wire harness 3 and the wire outlet hole 111 , and plays a role of fixing and sealing the wire harness 3 at the wire outlet hole 111 . Referring to FIG. 13 , the inside of the fixing ring 2 is provided with a wire harness hole 23 extending therethrough in the axial direction. The wire harness 3 is passed through the wire harness hole 23 . The outer wall of the fixing ring 2 is provided with a ring of clamping grooves 21 in the middle part in the axial direction. That is, the outer wall surface of the fixing ring 2 has a groove section with a smaller cross-sectional size in the middle part along the axial direction, so that the outer wall surface of the fixing ring 2 forms a slot 21 in the middle part, and the side of the outlet hole can be inserted and fixed correspondingly. In the grooves 21 on the outer wall of the ring 2, the two ends 22 of the fixed ring 2 are clamped on both sides of the side of the outlet hole 111, thereby fixing the fixing ring 2 at the outlet hole 111 to avoid falling off.

Referring to FIG. 12 and FIG. 13 , the inner wall of the wire outlet hole 111 is provided with a positioning block, and the bottom of the slot 21 is provided with a positioning groove 24 corresponding to the positioning block. When the fixing ring 2 is installed, the inner wall of the outlet hole 111 is in contact with the groove bottom of the slot 21 on the fixing ring 2; middle. The fixing of the fixing ring 2 can be better achieved, thereby realizing better fixing of the wire harness.

The electrical box provided in this embodiment is based on the existing claw-fixed wiring harness using the electrical box. Most of the wiring harnesses are not firmly fixed, and the wiring harness is cluttered and the strong and weak currents do not match the status quo after a long time. The fixing ring 2 is arranged between the wires, which can better realize the fixing and sealing of the wire harness at the wire outlet hole 111, and realize the orderly and stable placement of the wire harness; and the fixing ring 2 sleeved on the wire harness can play an anti-wear protection effect on the wire harness; in addition, The fixing ring 2 is matched and connected with the outlet hole 111 through the clamping groove 21 and the positioning groove 24, which can improve the fixing stability of the fixing ring 2; the fixing ring 2 is used to fix the wire harness, and the fixing method is simple and the fixing is firm.

Further, two positioning blocks can be arranged on opposite sides of the inner wall of the outlet hole, and two positioning grooves 24 can be correspondingly arranged on the groove bottom of the retaining ring 2 catching slot 21 to further improve the firmness of the fixing ring 2 and the outlet hole 111. stability and stability.

Further, the outer diameter of the slot 21 in the middle of the fixing ring 2 can be slightly larger than the inner diameter of the outlet hole 111, so that the outlet hole 111 and the slot 21 of the fixing ring 2 have an interference fit, which improves the stability and firmness of the setting of the fixing ring 2. sex.

On the basis of the above-mentioned embodiment, further, referring to FIG. 13 , the end portions 22 of the fixing ring 2 located on both sides of the clamping groove 21 in the axial direction are respectively in tapered structures. And the cross-sectional size of the end portion 22 near the end surface is smaller than the cross-sectional size near the card slot 21 . The fixing ring 2 is divided into end portions 22 at both ends and a middle slot 21 along the axial direction. The cross-sectional dimension of the end portion 22 is larger than the cross-sectional dimension of the clamping groove 21 portion. The end portion 22 is provided in a tapered structure, and the cross-sectional dimension of the end portion 22 close to the end face is small, which can facilitate the installation of the fixing ring 2 .

Further, in another embodiment, the end portions 22 of the fixing ring 2 located on both sides of the clamping groove 21 in the axial direction may also have a flying saucer-shaped structure, that is, the cross-sectional dimension of the end portion 22 is from the end face side to the clamping groove 21 side. Gradually increase first, and then gradually decrease, as shown in Figure 13. In other embodiments, the shape of the end portion 22 may also be other, and the cross-sectional dimension of the end portion 22 near the end face is smaller than the cross-sectional dimension near the card slot 21 to facilitate the installation at the outlet hole 111, which is not limited in detail. .

Referring to FIG. 13 , guide grooves 25 are respectively provided at the end portions 22 of the fixing ring 2 located on both sides of the clamping groove 21 in the axial direction and corresponding to the positioning grooves 24 . The guide groove 25 on the end portion 22 corresponds to the positioning groove 24 on the card groove 21 in the axial direction, so that when the fixing ring 2 is installed, it is convenient for the positioning hole on the inner wall of the outlet hole 111 to slide into the positioning groove along the guide groove 25. 24.

Further, referring to FIG. 13 , the cross-sectional size of the fixing ring 2 at the positioning groove 24 is smaller than the cross-sectional size of the fixing ring 2 at the guide groove 25; that is, the positioning groove 24 is recessed relative to the guide groove 25, so that the positioning block is inserted into the positioning groove. 24 , the positioning block will not easily slide into the guide groove 25 , which improves the stability and firmness of the fixing ring 2 .

On the basis of the above embodiment, further, referring to FIG. 14 , the fixing ring 2 is divided into two parts in the circumferential direction, and the two parts of the fixing ring 2 are spliced and connected. Setting the fixing ring 2 to be spliced and connected by two parts along the circumferential direction can facilitate the installation of the fixing ring 2 and the wire harness 3 .

Preferably, in this embodiment, the fixing ring 2 can be symmetrically divided into two parts. The inner walls of the two parts of the fixing ring 2 are respectively semicircular structures, so that the inner walls of the two parts of the fixing ring 2 are spliced and connected to form the wire harness holes 23 . Further, the fixing ring 2 can also be divided into three parts or other numbers in the circumferential direction for splicing and connecting, so as to form the fixing ring 2 by splicing and facilitate the installation of the fixing ring 2 on the wire harness 3 , which is not specifically limited.

Further, referring to FIG. 14 , matching mounting posts 27 and mounting holes 26 are provided between the two parts of the fixing ring 2 . That is, a mounting post 27 is provided on a part of the splicing surface of the fixing ring 2 , and a mounting hole 26 is provided on the corresponding part of the splicing surface of the other part. Therefore, when the two parts of the fixing ring 2 are spliced together, the mounting posts 27 are correspondingly inserted into the mounting holes 26 to realize the connection of the two parts.

Further, the mounting post 27 can be connected with the mounting hole 26 by interference fit. That is, the outer diameter of the mounting post 27 can be slightly larger than the inner diameter of the mounting hole 26 , so as to improve the firmness of the splicing connection between the two parts of the fixing ring 2 .

On the basis of the above embodiment, further, referring to FIG. 15 , a mounting post 27 is provided on one side of the wire harness hole 23 on the splicing surface of a part of the fixing ring 2 , and the other side of the wire harness hole 23 is staggered. There are mounting holes 26. That is, the mounting posts 27 on one side of the splicing surface of the fixed ring 2 and the mounting holes 26 on the other side are arranged staggered in the axial direction. That is, the splicing surface of any part of the fixing ring 2 is provided with both mounting posts 27 and mounting holes 26 . The mounting posts 27 and the mounting holes 26 are distributed on both sides and are staggered up and down. On the splicing surface of the other part of the fixing ring 2 , matching mounting holes 26 and mounting posts 27 are correspondingly provided.

The distribution structure of the mounting posts 27 and the mounting holes 26 is beneficial to improve the firmness of the spliced connection between the two parts of the fixing ring 2 . Further, the specific number and distribution of the mounting posts 27 and the mounting holes 26 on the splicing surface of any part of the fixing ring 2 can be set flexibly, so as to realize the purpose of firmly splicing to form the fixing ring 2, which is not specifically limited.

Further, referring to FIG. 16 , the plurality of wire harnesses are connected to the plurality of fixing rings 2 in a one-to-one correspondence, and the plurality of wire harnesses pass through the plurality of wire outlet holes 111 in a one-to-one correspondence, which can realize the orderly fixing of the wire harnesses.

On the basis of the above embodiment, further referring to FIG. 17 and FIG. 18 , the box body 11 is provided with a wire harness frame 112 penetrating therethrough. The wire harness frame 112 is an opening structure passing through the box body 11 . The wire harness frame 112 is provided with a matching opening and closing plate 113 . The size and shape of the opening and closing plate 113 is matched with the wire harness frame 112 , and the wire harness frame 112 of the box body 11 is closed when the opening and closing plate 113 is closed. The first side of the opening and closing plate 113 is rotatably connected to the first side of the wire harness frame 112 , and the wire outlet hole is formed between the second side of the opening and closing plate 113 and the second side of the wire harness frame 112 111.

Specifically, a first half-enclosed hole can be opened on the second side of the wire harness frame 112, a second half-enclosed hole can be correspondingly opened on the second side of the opening and closing plate 113, and the first half-enclosed hole and the second half-enclosed hole are spliced to form a wire outlet hole; That is, the second side of the opening and closing plate 113 and the second side of the wire harness frame 112 can be spliced together to form a wire outlet hole. The opening and closing of the wire harness frame 112 can be realized by the rotation of the opening and closing plate 113 . Further, referring to FIG. 12 , the arc angle of the first half-enclosed hole on the second side of the wire harness frame 112 may be greater than 180°, that is, the angle of the first half-enclosed hole is greater than the semicircular hole. When installing the fixing ring 2, the fixing ring 2 can be installed at the first half-enclosed hole first, and then the opening and closing plate 113 can be turned to close to complete the installation. Setting the angle of the first half-encircling hole is larger than the semicircular hole, which can improve the firm stability of the fixing ring 2 and the first half-enclosing hole, reduce the risk of the fixing ring 2 falling off during installation, and facilitate installation.

Referring to FIG. 11 , the opening and closing plate 113 can be opened, and the wire outlet hole 111 is in a semi-enclosed structure at this time, which can facilitate the passage of the wire harness 3 and the installation of the fixing ring 2 . When the opening and closing plate 113 is opened, the wire harness 3 can be passed through and the fixing ring 2 can be installed. The side of the outlet hole 111 is matched and plugged. Then turn the opening and closing plate 113 so that the side of the outlet hole 111 on the second side of the opening and closing plate 113 passes through the end part 22 of the fixing ring 2, and insert the positioning block on the side of the outlet hole 111 on the second side of the opening and closing plate 113 correspondingly. In the positioning groove 24 of the fixing ring 2, the opening and closing plate 113 is closed to complete the fixing of the wire harness, as shown in FIG. 20 .

On the basis of the above embodiment, further referring to FIGS. 18 and 19 , the first side of the opening and closing plate 113 is integrally connected with the first side of the wire harness frame 112 , and the first side of the opening and closing plate 113 is integrally connected. A thinned area 1131 is provided; the thinned area 1131 is provided with a sawtooth structure 1132 . It can facilitate the rotation of the opening and closing plate 113, which is beneficial to improve the service life of the structure.

Further, referring to FIG. 11 , a heat dissipation frame 116 is further provided on the box body 11 . The heat dissipation frame 116 is also a through opening structure. The heat dissipation frame 116 is disposed corresponding to the heat dissipation fins 131 on the computer board 13 , and the heat dissipation fins 131 on the computer board 13 protrude from the heat dissipation frame 116 to the outside of the box body 11 , which is beneficial to improve the heat dissipation efficiency. Further, the box body 11 is stepped at the heat dissipation frame 116 , that is, the height of the box body 11 corresponding to the heat dissipation frame 116 is smaller than the height of other parts; The wall surfaces at the heat dissipation frame 116 are in contact with each other to ensure the sealing performance of the box body 11 corresponding to the heat dissipation frame 116 .

On the basis of the above embodiment, this embodiment further provides an outdoor unit of an air conditioner, and the outdoor unit of the air conditioner includes the electrical box body described in any one of the above embodiments.

On the basis of the above-mentioned embodiment, and further, based on the problems of poor airtightness of the external electrical appliance box of the air conditioner, complicated installation procedures of the computer board and the box cover, difficulty in plugging the computer board, and messy fixing of the wiring harness, the present embodiment provides an electrical appliance. Box body module, the electrical box body module is mainly composed of a box cover integrated electrical box body and a wire harness fixing ring, as shown in Figure 20. As shown in FIGS. 1 and 2 , the electrical box body adopts a structure in which the box body 11 and the cover body 12 are integrated (FIG. 1 is an open state). As shown in FIG. 2, the main shape of the electrical box cover 12 is a rectangular plate-like structure, and a rectangular rib (box body sealing rib 123) is provided after shifting inward along the four sides of the rectangular plate by a certain distance. The computer board fixing claws 121 are arranged on the corners according to the size of the fixing hole of the computer board 13 to be matched with. A connecting belt 14 is provided on the side of the cover body 12 close to the box body to connect the box body 11 . One side of the connecting belt 14 is connected to the box body, and the other side is connected to the cover body. An opening and closing buckle structure is provided on the opposite side of the box cover connecting belt 14 for opening and closing the box and the cover as shown in FIG. 2 .

The computer board fixing claw 121 adopts a split conical claw, the diameter of the lower end of the cone is larger than the diameter of the opening of the computer board, and the top end is smaller than the diameter of the opening. The opening diameter of the computer board), as shown in Figure 3.

When installing the computer board 13, the top of the computer board 13 (the side with the solder joints) faces the cover body 12, the openings are aligned with the fixing claws 121, and then press down first (the side without the solder joints that is touched by the hand at this time, No risk of puncture), after the two claws are close to each other, the computer board 13 is pressed into the claws, and the upper part of the computer board 13 is pressed to the fixed stop 122 of the claws, and no longer moves downward. Open the claws to fix the computer board, as shown in Figure 4. The computer board 13 can also be fixed with screws.

A sealing groove 115 is arranged around the top of the box body, the cross section of which is shown in Figure 5 . An opening and closing buckle 114 is provided on the opposite side of the connecting belt 14 to cooperate with the opening and closing claw 124 of the cover body 12 , as shown in FIGS. 6 and 7 . A rectangular wire harness frame 112 is set at the bottom of the box body, a fixing hole (the first half-enclosed hole) of the wire harness fixing ring is set on one side of the wire harness frame 112, and the other end is connected to the wire harness through the thinned area 1131 to fix the opening and closing plate 113, and the opening and closing plate 113 is free One side of the end corresponds to the wire harness fixing ring fixing hole (the first half surrounding hole) on the wire harness frame 112 to open the wire harness fixing ring fixing hole (the second half surrounding hole), and the thinning area adopts a zigzag thinning and is compressed by deformation. The middle of the wire harness fixing half hole, namely the first half surrounding hole and the second half surrounding hole, are respectively provided with circular protrusions, namely positioning blocks, for positioning the wire harness fixing ring (see Figure 12 and Figure 13 for details).

As shown in Figure 14, the wire harness fixing ring 2 is composed of a pair of fixing rings. It adopts a symmetrical split structure, and the whole is symmetrical up and down, left and right. It is made of soft plastic such as rubber, and has good elastic deformation and sealing. The left fixing ring is exactly the same as the right fixing ring, and the two are combined to form a harness fixing ring. As shown in Fig. 15, the fixing ring is symmetrical up and down, the middle is hollow (routed), the upper and lower ends are tapered, and the middle is cylindrical. A mounting post 27 is arranged at the lower left corner of the mating surface of the fixing ring, and a mounting hole 26 is arranged at the upper right corner. When they cooperate with each other, a wire harness fixing ring is formed.

As shown in FIG. 16 , the middle wire harness hole 23 of the wire harness fixing ring 2 is used for wiring. The diameter of the wire harness hole 23 is slightly smaller than the diameter of the wire. The wire is fixed by elastic deformation and plays a sealing role. After the wire harness fixing ring 2 holds the wires tightly, it is installed on the wire outlet hole 111 of the fixing ring of the wire frame of the box body through the positioning groove 24 , and cooperates with the positioning block on the wire outlet hole 111 . When installing, first install the wire harness fixing ring 2 on the wire harness 3; then install the computer board 13 on the cover of the electrical box body; then fix the wire harness fixing ring 2 on the wire harness outlet hole 111 of the electrical box box, as shown in Figure 11 ; Then close the wire harness fixing opening and closing plate 113 upward. When closed, the lower end of the wire harness fixing ring 2 is tapered, and the wire harness fixing ring 2 can be closed by squeezing it, as shown in Figure 20; Finally, the electrical box cover is 14 folded through the connecting belt Bend it onto the electrical box, Figure 16.

The main structure of the electrical box provided in this embodiment includes: the integrated design of the box body and the box cover; sealing structures such as sealing ribs and sealing grooves are arranged between the box body and the cover; the structural design of the wire harness fixing ring ; Harness fixing ring - the matching design of the outlet hole; the structural design of the wiring harness opening and closing plate.

The wiring harness in the electrical box body has only two parts: the box body and the wiring harness fixing ring, the installation is simple, and the yield and production efficiency are improved. The box body is sealed in all directions, which can prevent insects and other small animals from entering the box body and avoid short-circuit burning; the solder joint side of the computer board is not easily accessible by hand, and the production safety is high; the wire harness fixing ring is used to fix the wire harness, and the box number is sealed. Simple operation and neat wiring harness.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present application.

Claims

An electrical box, comprising a box body and a cover, characterized in that the first side of the cover is rotatably connected to the first side of the top of the box body, and the second side of the cover is connected to the The second side of the box body is detachably connected, and a sealing structure is arranged between the box body and the cover body, and a fixing piece is arranged on the inner side of the cover body, and the fixing piece is used for connecting and fixing computer board, and the soldering side of the computer board faces the cover body.
The electrical box body according to claim 1, wherein a connecting band is connected between the first side of the cover body and the first side of the box body, and a middle part of the connecting band is provided with Thinning slot.
The electrical box body according to claim 1, characterized in that a ring of matching groove-bump structures are arranged along the circumferential direction between the top surface of the box body and the cover body.
The electrical box body according to claim 1, wherein the fixing member comprises a fixing claw, a limit table is provided on the inner side of the cover, and the fixing claw is arranged on the limit table, The computer board is provided with an opening corresponding to the fixing claws.
The electrical box body according to any one of claims 1 to 4, wherein the box body is provided with a wire outlet hole, and the wire outlet hole is used to pass through the wire harness of the computer board, the wire harness and the A fixing ring is arranged between the wire outlet holes, the inside of the fixing ring is provided with a through wire harness hole in the axial direction, and the middle part of the outer wall of the fixing ring along the axial direction is provided with a ring of clamping grooves, and the clamping grooves are used for It is matched and plugged with the side edge of the outlet hole; the inner wall of the outlet hole is provided with a positioning block, and the groove bottom of the card slot is provided with a positioning groove corresponding to the positioning block.
The electrical box body according to claim 5, wherein the end portions of the fixing ring located on both sides of the clamping groove in the axial direction are respectively in tapered structures; A guide groove is provided at the corresponding position of the positioning groove.
The electrical box body according to claim 5, wherein the fixing ring is divided into two parts in the circumferential direction, and the two parts of the fixing ring are spliced and connected; Mounting posts and mounting holes.
The electrical box body according to claim 5, wherein a wire harness frame is arranged on the box body body, and a matching opening and closing plate is arranged at the wire harness frame, and the first side of the opening and closing plate is connected to the The first side of the wire harness frame is rotatably connected, and the wire outlet hole is configured between the second side of the opening and closing plate and the second side of the wire harness frame.
The electrical box according to claim 8, wherein the first side of the opening and closing plate is integrally connected with the first side of the wire harness frame, and the first side of the opening and closing plate is provided with a thinned area, The thinned area is provided with a sawtooth structure.
An air conditioner outdoor unit, characterized in that it comprises the electrical box body according to any one of the above claims 1-9.