WO2022127851A1

WO2022127851A1 - Mechanism containing circuit board

Info

Publication number: WO2022127851A1
Application number: PCT/CN2021/138731
Authority: WO
Inventors: 王超
Original assignee: 长春捷翼汽车零部件有限公司
Priority date: 2020-12-17
Filing date: 2021-12-16
Publication date: 2022-06-23
Also published as: CN214960608U

Abstract

Disclosed is a mechanism containing a circuit board, comprising a housing and a protective pad. Positioning holes used for mounting the circuit board are provided in the housing. The protective pad is provided on the positioning holes; moreover, the surface of the protective pad is abutted against the circuit board. The mechanism containing the circuit board provided in the present application adds the protective pad between the circuit board and the housing, and at the same time, the manner of contact between the circuit board and the protective pad is surface contact. Compared with the prior art in which a circuit board and a housing are in direct contact, this provides an excellent cushioning effect between the circuit board and the mechanism containing the circuit board, when the circuit board is subjected to a collision or impact from an external force, the protective pad provides an excellent cushioning protection effect, thus better protecting the circuit board, and improving on the defect rate of a product caused by impact.

Description

A mechanism containing a circuit board

Related applications

This application claims the priority of the Chinese utility model patent with the application number of 202023059719.2 and the patent name of "a mechanism containing a circuit board", which was submitted on December 17, 2020, and all contents of the patent are incorporated herein in its entirety.

technical field

The present application relates to the technical field of new energy vehicles, in particular to a mechanism containing a circuit board.

Background technique

At present, the circuit board fixing of the electric vehicle charging device can meet the normal use in the daily environment, but there are mainly the following shortcomings: 1. The circuit board and the mechanism containing the circuit board are fixed by screws, which is a rigid fit and has no buffering, which is easy to cause the circuit board. The board is scratched, making the circuit board useless; 2. There are too many fixing points between the circuit board and the mechanism containing the circuit board, and the deformation amount caused by the heating and cooling of the circuit board cannot be released, and the limit state may cause the circuit board to bend; After the mechanism of the circuit board falls, the circuit board and the casing have relatively no buffer structure, which may cause the circuit board to be damaged and lose its function due to the vibration; The reason may be that the electric vehicle charging device cannot be used normally, causing inconvenience to the user.

Therefore, how to provide a circuit board-containing mechanism with good buffering effect with the circuit board is a technical problem to be solved urgently by those skilled in the art.

Contents of this application

The purpose of this application is to provide a mechanism containing a circuit board, after the circuit board is installed in the mechanism containing the circuit board, the buffering effect between the mechanism containing the circuit board and the circuit board can be increased, and the circuit board can be well protected Not affected by external force, to ensure the normal use of the circuit board, while increasing the service life of the circuit board.

In order to solve the above technical problems, the present application provides a mechanism containing a circuit board, including a casing and a protective pad, the casing is provided with a positioning hole for installing the circuit board, and the protective pad is arranged on the positioning hole , and the surface of the protective pad is in contact with the circuit board.

Preferably, the protection pad includes a fan-shaped protection part and a strip-shaped connection part, and the fan-shaped protection part is provided on both sides of the strip-shaped connection part.

Preferably, the fan-shaped protective portion is provided with a mounting hole that is directly opposite to the positioning hole.

Preferably, at least one through hole is further opened on the fan-shaped protective portion.

Preferably, at least one through hole is formed on the strip-shaped connecting portion.

Preferably, the protective pad is a rubber pad.

Preferably, the rubber pad is made of at least one or more of a pad plastic material, a thermosetting material, a rubber-like elastomer, or a composite material.

Preferably, the material of the protective pad is natural rubber, styrene-butadiene rubber, nitrile-butadiene rubber, silicon-butadiene rubber, isoprene rubber, ethylene-propylene rubber, neoprene, butyl rubber, fluorine rubber, polyurethane rubber, polyacrylate One or more combinations of rubber, chlorosulfonated polyethylene rubber, chloroether rubber, chlorinated polyolefin rubber, chlorosulfide rubber, styrene butadiene rubber, butadiene rubber, hydrogenated nitrile rubber, and polysulfide rubber .

Preferably, the material of the casing is at least one or more combinations of thermoplastic materials, thermosetting materials, rubber-like elastomers, or composite materials.

Preferably, the material of the housing is polyamide, polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, EPDM, nylon, polycarbonate, polytetrafluoroethylene , one or more combinations of polyethylene terephthalate, polyoxymethylene, and polyvinyl chloride.

The circuit board-containing mechanism provided by the present application mainly includes a casing and a protective pad, the casing is provided with a positioning hole for installing the circuit board, the protective pad is arranged in the positioning hole, and the surface of the protective pad is in contact with the circuit board. In the mechanism containing the circuit board provided by the present application, a protective pad is added between the circuit board and the casing, and at the same time, the circuit board and the protective pad are in the form of surface contact, so the circuit board and the mechanism containing the circuit board are formed. There is a good buffering effect between the circuit boards. When the circuit board is collided or impacted by external forces, the buffer body protection pad can play a good buffering role, reducing the impact of the collision between the circuit board and the shell on the circuit board. It can better protect the circuit board, ensure its normal operation, and improve the defect rate caused by the impact of the product.

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 briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only It is a part of the embodiments of the present application, and for those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without any creative effort.

FIG. 1 is a schematic diagram of the overall structure of a specific embodiment provided by the application.

Reference number:

1. Shell; 2. Protective pad; 3. Circuit board; 21. Sector-shaped protection part; 22. Strip-shaped connection part;

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

Please refer to FIG. 1 , which is a schematic diagram of the overall structure of a specific implementation manner provided by this application.

In a specific embodiment provided in this application, a mechanism containing a circuit board is mainly a casing 1 and a protective pad 2. The casing 1 is provided with a positioning hole for installing the circuit board 3, and the protective pad 2 is arranged in the positioning hole. And the surface of the protective pad 2 is in contact with the circuit board 3, that is, a local point on the surface of the protective pad 2 and a local point on the circuit board 3 are in contact with each other, or a local surface on the surface of the protective pad 2 is in contact with the circuit board 3. The local faces are in contact with each other.

The inside of the casing 1 is provided with a positioning hole (not shown in the figure) for installing the circuit board 3; The three-dimensional shape of the sheet, rectangle or square can better buffer the external force on the circuit board 3 .

Specifically, in the actual installation and use process, the circuit board 3 is installed on the positioning hole. At this time, due to the addition of the protective pad 2, the circuit board 3 and the The protective pads 2 are in the form of surface contact, so there is a good buffering effect between the circuit board 3 and the mechanism containing the circuit board. When the circuit board 3 is collided or impacted by external force, the buffer body protective pad 2 can It plays a good buffering role, reduces the impact force brought by the collision between the circuit board 3 and the housing 1 to the circuit board 3, can better protect the circuit board 3, ensure its normal operation, and improve the product caused by the impact. defect rate.

In order to optimize the advantage that the mechanism including the circuit board in the above embodiment can better reduce the impact force of the circuit board 3, the protective pad 2 includes a fan-shaped protection part 21 and a strip-shaped connection part 22, and the fan-shaped protection part 21 is arranged on the strip-shaped connection part 22. The fan-shaped protection part 21 is provided with a mounting hole 211 which is opposite to the positioning hole. The protective pad 2 includes a fan-shaped protective portion 21 and a strip-shaped connecting portion 22, so that there is a certain gap between the circuit board 3 and the mechanism housing 1 containing the circuit board, instead of passing through the entire space between the protective pad 2 and the housing 1. Contact, the above-mentioned gap can increase the buffer capacity of the circuit board, better protect the circuit board 3 from being damaged by external forces, and further ensure the service life of the circuit board 3 .

Further, at least one through hole (not shown in the figure) is also opened on the fan-shaped protective portion 21, and the through hole is used to reduce the weight of the overall structure, and the porous structure is arranged according to a certain rule to reduce stress concentration, that is, there is a damping effect. Function: At least one through hole (not shown in the figure) is opened on the strip-shaped connecting portion 22 . The fan-shaped protective part 21 and the strip-shaped connecting part 22 of the protective pad 2 contain 1 to 12 through holes, the hole diameters are D3 to D10, and the hole area is 0.07 square centimeters to 1.14 square centimeters. The shape of the through holes can be determined according to user needs, for example : round hole, waist-shaped hole, rectangular hole, square hole or special-shaped hole, which is not limited here. In addition, the through hole can also be set as a blind hole that does not pass through the fan-shaped protection portion 21 or the strip-shaped connecting portion 22 . The protective pad 2 can be composed of a plurality of split single pieces. When the protective pad 2 is composed of a plurality of split single pieces, the area of the split single piece is 0.36 square centimeters to 8.87 square centimeters. The area of the one-piece integral protective pad 2 formed by combining the components is 60 square centimeters to 114.5 square centimeters. The design of the through holes on the fan-shaped protection part 21 and the strip-shaped connection part 22 of the protection pad 2 can reduce the overall weight of the structure, and at the same time, the porous structure can be arranged according to a certain rule to reduce stress concentration, that is, it has a shock absorption function, which further ensures the circuit. When the board 3 is impacted by an external force, the possibility of damage to the circuit board 3 caused by the external impact force is reduced, and the normal operation of the circuit board 3 is better ensured.

It should be noted that the material of the housing 1 contains at least one or more combinations of thermoplastic materials, thermosetting materials, rubber-based elastomers, or composite materials. The specific material of the shell 1 is polyamide, polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride, EPDM, nylon, polycarbonate, polytetrafluoroethylene, polytetrafluoroethylene One or more combinations of ethylene phthalate, polyoxymethylene, and polyvinyl chloride. For the above materials, please refer to the prior art, which will not be repeated in this application.

It should be noted that the protective pad 2 is a rubber pad, and the specific material of the rubber pad is at least one or more combinations of pad plastic materials, thermosetting materials, rubber-like elastomers or composite materials. Specifically, the material of the protective pad 2 is natural rubber, styrene-butadiene rubber, nitrile-butadiene rubber, silicon-butadiene rubber, isoprene rubber, ethylene-propylene rubber, neoprene rubber, butyl rubber, fluorine rubber, polyurethane rubber, polyacrylate rubber , One or more combinations of chlorosulfonated polyethylene rubber, chloroether rubber, chlorinated polyolefin rubber, chlorosulfide rubber, styrene butadiene rubber, butadiene rubber, hydrogenated butadiene rubber, and polysulfide rubber. For the above materials, please refer to the prior art, which will not be repeated in this application.

To sum up, the mechanism provided in this embodiment with a circuit board has a main casing and a protective pad. The casing is provided with a positioning hole for installing the circuit board, the protective pad is arranged in the positioning hole, and the surface of the protective pad is connected to the circuit board abuts. In the mechanism containing the circuit board provided by the present application, a protective pad is added between the circuit board and the casing, and at the same time, the circuit board and the protective pad are in the form of surface contact, so the circuit board and the mechanism containing the circuit board are formed. There is a good buffering effect between the circuit boards. When the circuit board is collided or impacted by external forces, the buffer body protection pad can play a good buffering role, reducing the impact of the collision between the circuit board and the shell on the circuit board. It can better protect the circuit board, ensure its normal operation, and improve the defect rate caused by the impact of the product.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined in this application may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

A mechanism containing a circuit board, characterized in that it comprises a casing (1) and a protective pad (2), the casing (1) is provided with a positioning hole for installing a circuit board (3), and the protective pad (2) is arranged in the positioning hole, and the surface of the protective pad (2) is in contact with the circuit board (3).
The circuit board-containing mechanism according to claim 1, wherein the protective pad (2) comprises a fan-shaped protection part (21) and a strip-shaped connection part (22), and the fan-shaped protection part (21) is provided on the Both sides of the strip-shaped connecting portion (22).
The circuit board-containing mechanism according to claim 2, wherein a mounting hole (211) facing the positioning hole is formed on the fan-shaped protection portion (21).
The circuit board-containing mechanism according to claim 3, characterized in that, at least one through hole is further opened on the fan-shaped protection portion (21).
The circuit board-containing mechanism according to claim 3, wherein at least one through hole is formed on the strip-shaped connecting portion (22).
The circuit board-containing mechanism according to claim 1, wherein the protective pad (2) is a rubber pad.
The circuit board-containing mechanism according to claim 6, wherein the rubber pad is made of at least one or more combinations of pad plastic material, thermosetting material, rubber-like elastomer, or composite material.
The circuit board-containing mechanism according to claim 6, wherein the protective pad (2) is made of natural rubber, styrene-butadiene rubber, nitrile-butadiene rubber, silicon-butadiene rubber, isoprene rubber, ethylene-propylene rubber, Neoprene rubber, butyl rubber, fluororubber, polyurethane rubber, polyacrylate rubber, chlorosulfonated polyethylene rubber, chloroether rubber, chlorinated polyolefin rubber, chlorosulfide rubber, styrene butadiene rubber, butadiene One or more combinations of rubber, hydrogenated nitrile rubber, and polysulfide rubber.
The circuit board-containing mechanism according to claim 1, wherein the housing (1) is made of at least one or more of thermoplastic materials, thermosetting materials, rubber-like elastomers, or composite materials combination.
The circuit board-containing mechanism according to claim 1, wherein the material of the casing (1) is polyamide, polyethylene, polypropylene, polystyrene, polymethyl methacrylate, polyvinyl chloride , EPDM, nylon, polycarbonate, polytetrafluoroethylene, polyethylene terephthalate, polyoxymethylene, polyvinyl chloride in one or more combinations.