CN210840424U

CN210840424U - Circuit board assembly and electronic equipment

Info

Publication number: CN210840424U
Application number: CN201921406416.8U
Authority: CN
Inventors: 张文; 李竹君; 江宝迪; 吴壬华
Original assignee: Shenzhen Shinry Technologies Co Ltd
Current assignee: Shenzhen Shinry Technologies Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-23
Anticipated expiration: 2029-08-26

Abstract

The application discloses a circuit board assembly. The circuit board assembly comprises a base plate and a circuit board arranged on the base plate, wherein one side of the base plate, which faces the circuit board, is provided with a raised positioning piece; the circuit board is provided with a positioning groove, the positioning groove penetrates through the circuit board in the thickness direction of the circuit board, and part or all of the positioning pieces are accommodated in the positioning groove; the circuit board comprises a first side wall and a second side wall which are arranged oppositely, and the positioning groove is close to the second side wall relative to the first side wall; or the positioning groove is close to the first side wall relative to the second side wall. The application provides a circuit board assembly has prevents slow-witted structure, can avoid the problem that circuit board installation made mistakes. The application also discloses an electronic device comprising the circuit board assembly.

Description

Circuit board assembly and electronic equipment

Technical Field

The utility model relates to a circuit board especially relates to a circuit board assembly and electronic equipment.

Background

A Printed Circuit Board (PCB) is a provider of electrical connections for electronic components. The circuit board makes the circuit miniaturized and visualized, plays an important role in the batch production of fixed circuits and the optimization of the layout of electrical appliances, and is widely applied to various electronic devices.

However, since the circuit board is provided with a plurality of holes, the mounting position of the circuit board cannot be accurately positioned, and thus, the mounting of the circuit board is mistaken, and the electronic device cannot normally work.

SUMMERY OF THE UTILITY MODEL

The application provides a circuit board assembly, circuit board assembly is equipped with the setting element for circuit board assembly has prevents slow-witted structure, has avoided the problem that the circuit board installation made mistakes.

The present application provides a circuit board assembly. The circuit board assembly comprises a base plate and a circuit board arranged on the base plate, wherein one side of the base plate, which faces the circuit board, is provided with a raised positioning piece; the circuit board is provided with a positioning groove, the positioning groove penetrates through the circuit board in the thickness direction of the circuit board, and part or all of the positioning pieces are accommodated in the positioning groove;

the circuit board comprises a first side wall and a second side wall which are oppositely arranged, and the positioning groove is close to the second side wall relative to the first side wall; or the positioning groove is close to the first side wall relative to the second side wall.

In one embodiment, the circuit board further includes a third sidewall connected between the first sidewall and the second sidewall, the detent recess being recessed from the third sidewall toward an interior of the circuit board.

In one embodiment, the circuit board further includes a first surface and a second surface opposite to each other, the first surface faces the substrate, and the second surface faces away from the substrate; one side of the positioning piece, which is far away from the substrate, is a third surface, and the third surface is positioned on one side of the second surface, which is far away from the first surface.

In one embodiment, the circuit board assembly further includes a first fastener and a second fastener, the first fastener being proximate to the first sidewall relative to the second sidewall, the second fastener being proximate to the second sidewall relative to the first sidewall, and the second fastener being proximate to the third sidewall relative to the first fastener.

In one embodiment, the circuit board further comprises a third fastening member and a fourth fastening member, the third fastening member is disposed opposite to the first fastening member, and the third fastening member is away from the third sidewall opposite to the second fastening member;

the fourth fastener is arranged opposite to the second fastener, and the fourth fastener is close to the third side wall relative to the first fastener.

In one embodiment, the first fastener is proximate the first sidewall opposite the fourth fastener, and the second fastener is disposed opposite the third fastener.

In one embodiment, a distance between the positioning element and the fourth fastening element is a first distance, a distance between the positioning element and the second fastening element is a second distance, and the first distance is smaller than the second distance.

In one embodiment, the first fastener is disposed opposite the fourth fastener, and the second fastener is disposed opposite the third fastener.

In one embodiment, the number of the positioning parts is two, the two positioning parts are arranged oppositely, and the distance between the two positioning parts and the first side wall is equal.

The application also provides an electronic device. The electronic device comprises a shell and the circuit board assembly, wherein the circuit board assembly is arranged on the shell.

In this application embodiment, circuit board assembly's base plate is equipped with the setting element, the circuit board be equipped with the constant head tank of setting element looks adaptation, just the constant head tank with interval between two lateral walls that the circuit board set up relatively varies, makes circuit board assembly has the function of preventing slow-witted, has avoided the circuit board install in mistake in problem on the base plate.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an electronic device provided in the present application;

FIG. 2 is a schematic diagram of the circuit board assembly of FIG. 1 in a first embodiment;

FIG. 3 is a schematic diagram of the circuit board assembly of FIG. 2 at a first angle;

FIG. 4 is a schematic diagram of the circuit board assembly of FIG. 2 at a second angle;

FIG. 5 is a schematic diagram of a second embodiment of the circuit board assembly of FIG. 1;

fig. 6 is a schematic structural diagram of the circuit board assembly shown in fig. 1 in a third embodiment.

Detailed Description

Technical solutions in embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, and not all embodiments. In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic structural diagram of an electronic device provided in the present application; fig. 2 is a schematic structural diagram of the circuit board assembly shown in fig. 1 in a first embodiment. The electronic device 100 includes a housing 101 and a circuit board assembly 102. The circuit board assembly 102 is mounted to the housing 101. The electronic device 100 may be any electronic device 100 including a circuit board. A Printed Circuit Board (PCB) is a provider of electrical connections for electronic components to enable electrical connections between the electronic components within the electronic device 100. In the embodiment of the present application, the electronic device 100 is described as an example of a power converter.

The circuit board assembly 102 includes a substrate 21 and a circuit board 22 mounted on the substrate 21. The side of the substrate 21 facing the circuit board 22 is provided with a raised positioning member 211. The positioning member 211 protrudes from the substrate 21 toward one side of the circuit board 22. It will be appreciated that the side of the substrate 21 facing the circuit board 22 is the mounting surface 212. The positioning member 211 protrudes from the mounting surface 212 toward the circuit board 22. As shown in fig. 2, the positioning members 211 are protrusions on the mounting surface 212.

The circuit board assembly 102 also includes electronic components 23. The electronic component 23 is mounted on the circuit board 22. The number of the electronic components 23 is plural. The circuit board 22 enables electrical connection between the plurality of electronic components 23, thereby implementing various functions of the electronic apparatus 100. As shown in fig. 2, an electronic component 23 is mounted on a side of the circuit board 22 facing away from the substrate 21.

Further, referring to fig. 2 and fig. 3 together, fig. 3 is a schematic structural diagram of the circuit board assembly 102 shown in fig. 2 at a first angle. In particular, fig. 3 is a top view of the circuit board assembly 102 shown in fig. 2. The circuit board 22 is provided with a positioning groove 221. The positioning groove 221 penetrates the circuit board 22 in the thickness direction of the circuit board 22. Some or all of the positioning members 211 are received in the positioning slots 221.

As shown in fig. 2 and 3, in the embodiment of the present application, a portion of the positioning element 211 is illustrated as being accommodated in the positioning groove 221. In other embodiments, the positioning element 211 can be entirely accommodated in the positioning groove 221. For example, the positioning slot 221 is a groove on the side of the circuit board 22 facing the substrate 21, and when all the positioning elements 211 are accommodated in the groove, the placement position of the circuit board 22 relative to the substrate 21 is correct.

The circuit board 22 includes a first sidewall 222 and a second sidewall 223 disposed opposite to each other. In one embodiment, the detent groove 221 is located adjacent to the second sidewall 223 relative to the first sidewall 222. In another embodiment, the detent groove 221 is adjacent the first sidewall 222 opposite the second sidewall 223. It is understood that the distance between the positioning groove 221 and the first sidewall 222 is not equal to the distance between the positioning groove 221 and the second sidewall 223.

In the embodiment of the present application, the substrate 21 is provided with a positioning element 211 protruding from the surface of the substrate 21 toward one side of the circuit board 22, the circuit board 22 is provided with a positioning slot 221 adapted to the positioning element 211, when part or all of the positioning element 211 is accommodated in the positioning slot 221, the position of the circuit board 22 relative to the substrate 21 is aligned, so that the subsequent circuit board 22 is correctly installed on the substrate 21, and the electronic device 100 is enabled to normally operate. The distance between the positioning groove 221 and the two opposite side walls of the circuit board 22 is different, so that the fool-proof purpose can be achieved, and a situation that the electronic device 100 cannot work normally due to the circuit board 22 being erroneously mounted on the substrate 21 is avoided.

Further, referring to fig. 3, the circuit board 22 further includes a third sidewall 224. The third sidewall 224 is connected between the first sidewall 222 and the second sidewall 223. The positioning groove 221 is recessed from the third side wall 224 toward the inside of the circuit board 22. As shown in fig. 3, the positioning groove 221 is located on the right side of the circuit board 22.

In the embodiment of the present application, on one hand, the positioning groove 221 is located at the side of the circuit board 22, which can ensure the integrity of the internal circuit of the circuit board 22 and improve the integration level of the circuit board 22. On the other hand, the positioning groove 221 is located on the side of the circuit board 22, which is beneficial for the operator to quickly and accurately place the circuit board 22 at the correct position, so that the positioning member 211 is matched with the positioning groove 221, thereby improving the installation efficiency of the circuit board 22.

In one embodiment, the circuit board 22 further includes a first fastener 24 and a second fastener 25. The first fastener 24 and the second fastener 25 are used to securely mount the circuit board 22 to the substrate 21. The first fastener 24 is adjacent the first sidewall 222 opposite the second sidewall 223. Second fastener 25 is adjacent second sidewall 223 relative to first sidewall 222, and second fastener 25 is adjacent third sidewall 224 relative to first fastener 24.

As shown in fig. 3, in the present embodiment, the first fastening member 24 is located at the upper left corner, and the second fastening member 25 is located at the lower right corner. It will be appreciated that the first fastener 24 and the second fastener 25 are diagonally disposed.

In the embodiment of the present application, the first fastening member 24 and the second fastening member 25 are diagonally arranged, so that the circuit board 22 can be tightly mounted on the substrate 21, and the circuit board 22 is prevented from being separated from the substrate 21, thereby improving the reliability of the circuit board assembly 102.

Further, in one embodiment, the circuit board assembly 102 further includes a third fastening member 26 and a fourth fastening member 27. The third fastener 26 is disposed opposite the first fastener 24, and the third fastener 26 is distal from the third sidewall 224 relative to the second fastener 25. The fourth fastener 27 is disposed opposite the second fastener 25, and the fourth fastener 27 is adjacent to the third sidewall 224 opposite the first fastener 24.

It is understood that the first fastener 24, the second fastener 25, the third fastener 26 and the fourth fastener 27 are located at four diagonal positions of the circuit board assembly 102, respectively. As shown in fig. 3, the first fastener 24 is located at the upper left corner, the second fastener 25 is located at the lower right corner, the third fastener 26 is located at the lower left corner, and the fourth fastener 27 is located at the upper right corner. In the embodiment of the present application, the number of the fastening members is described as four. In other embodiments, the number of fasteners may also be 3, 6, or 9. That is, the number of fasteners is not limited in this application.

In the embodiment of the present application, the circuit board assembly 102 includes four fastening members, and the four fastening members are respectively located at four corners of the circuit board assembly 102, so that the circuit board 22 is more tightly mounted on the substrate 21, and further, the circuit board 22 is prevented from being separated from the substrate 21, thereby improving the reliability of the circuit board assembly 102.

Further, referring to fig. 3 and fig. 4 together, fig. 4 is a schematic structural diagram of the circuit board assembly 102 shown in fig. 2 at a second angle. In particular, fig. 4 is a side view of the circuit board assembly 102 shown in fig. 2. The first fastener 24 is adjacent to the first sidewall 222 opposite the fourth fastener 27, and the second fastener 25 is disposed opposite the third fastener 26.

As shown in fig. 3, the first fastening member 24 and the fourth fastening member 27 are both located at an end of the circuit board assembly 102 opposite to the second side wall 223 close to the first side wall 222, but the first fastening member 24 is closer to the first side wall 222 than the fourth fastening member 27. The first fastener 24 is disposed opposite the third fastener 26. The third fastening member 26 is disposed opposite to the second fastening member 25. As shown in fig. 4, the first fastening member 24 is arranged offset from the fourth fastening member 27.

It will be appreciated that the first fastener 24 is symmetrically arranged with respect to the third fastener 26, the third fastener 26 is symmetrically arranged with respect to the second fastener 25, the second fastener 25 is symmetrically arranged with respect to the fourth fastener 27, and the fourth fastener 27 is offset from the first fastener 24. That is, one of the four fasteners is arranged asymmetrically.

In the embodiment of the present application, the fourth fastening member 27 is disposed asymmetrically with respect to other fastening members, so as to achieve the purpose of fool-proofing, and avoid a situation that the electronic device 100 cannot work normally due to the circuit board 22 being erroneously mounted on the substrate 21.

Further, the spacing between the positioning member 211 and the fourth fastening member 27 is the first spacing. The spacing between the positioning member 211 and the second fastening member 25 is a second spacing. The first pitch is less than the second pitch. As shown in fig. 3, the positioning member 211 is adjacent to the fourth fastening member 27.

In the embodiment of the present application, the positioning element 211 is close to the fourth fastening element 27, and the fourth fastening elements 27 are asymmetrically arranged, so that the fool-proof structures of the circuit board assemblies 102 are located in the same area, which is beneficial for an installer to quickly position the mounting position of the circuit board 22, thereby improving the mounting efficiency of the circuit board 22.

Further, with reference to fig. 4, the circuit board 22 further includes a first surface 225 and a second surface 226 disposed opposite to each other. The first face 225 faces the substrate 21. It will be appreciated that the first face 225 is disposed opposite the mounting face 212. The first face 225 is located between the mounting face 212 and the second face 226. The surface of the positioning member 211 away from the substrate 21 is a third surface 213. The third face 213 is located on a side of the second face 226 away from the first face 225.

It is understood that the second face 226 is located between the third face 213 and the first face 225. The spacing between the first face 225 and the second face 226 is a first spacing. That is, the first pitch is the thickness of the circuit board 22. The third surface 213 is spaced apart from the mounting surface 212 by a second distance. That is, the second pitch is the height of the positioning member 211. The third surface 213 is located on a side of the second surface 226 away from the first surface 225, such that the height of the positioning member 211 is greater than the thickness of the circuit board 22.

In the embodiment of the present application, the height of the positioning element 211 is greater than the thickness of the circuit board 22, so that the detecting personnel can quickly observe whether the positioning element 211 is accommodated in the positioning slot 221, thereby improving the detection efficiency.

Further, referring to fig. 5, fig. 5 is a schematic structural diagram of the circuit board assembly 102 shown in fig. 1 in a second embodiment. Most technical solutions in this embodiment that are the same as those in the first embodiment are not described again. The second embodiment differs from the first embodiment in that:

the first fastener 24 is disposed opposite the fourth fastener 27, and the second fastener 25 is disposed opposite the third fastener 26. As shown in fig. 5, the first fastening member 24 is disposed opposite to the fourth fastening member 27, the fourth fastening member 27 is symmetrically arranged with respect to the second fastening member 25, the second fastening member 25 is symmetrically arranged with respect to the third fastening member 26, and the third fastening member 26 is symmetrically arranged with respect to the first fastening member 24. It will be appreciated that the first fastener 24, the second fastener 25, the third fastener 26 and the fourth fastener 27 are in a symmetrical arrangement.

In this embodiment, the fastener of circuit board assembly 102 is symmetrical structure for the fool-proof structure of circuit board assembly 102 is the cooperation of setting element 211 and constant head tank 221, thereby makes installer can fix a position the mounted position of circuit board 22 fast, disturbs installer's judgement when avoiding a plurality of fasteners to arrange asymmetrically, thereby improves the efficiency that circuit board 22 installed in base plate 21.

Further, referring to fig. 6, fig. 6 is a schematic structural diagram of the circuit board assembly 102 shown in fig. 1 in a third embodiment. Most technical solutions in this embodiment that are the same as those in the previous embodiment are not described again. The third embodiment differs from the previous embodiments in that:

the number of the positioning members 211 is two. The two positioning members 211 are disposed opposite to each other, and the distance between the two positioning members 211 and the first sidewall 222 is equal. It is understood that the number of the positioning grooves 221 is also two. The two positioning members 211 correspond to the two positioning grooves 221 one by one.

In the embodiment of the present application, the circuit board assembly 102 includes two positioning elements 211, so that when the positioning elements 211 are accommodated in the positioning slots 221, the position of the circuit board 22 relative to the substrate 21 is fixed, and the position of the circuit board 22 relative to the substrate 21 does not shake, which is beneficial for aligning the fastening holes with subsequent fastening elements to fasten the circuit board 22 and the substrate 21, thereby improving the efficiency of the circuit board 22 being mounted on the substrate 21. The two positioning members 211 are disposed opposite to each other, so that the fool-proof structure of the circuit board assembly 102 does not interfere with the line of sight of the installer, thereby improving the efficiency of mounting the circuit board 22 on the substrate 21.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the methods and their core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A circuit board assembly is characterized by comprising a substrate and a circuit board arranged on the substrate, wherein one side of the substrate, facing the circuit board, is provided with a raised positioning piece; the circuit board is provided with a positioning groove, the positioning groove penetrates through the circuit board in the thickness direction of the circuit board, and part or all of the positioning pieces are accommodated in the positioning groove;

2. The circuit board assembly of claim 1, wherein the circuit board further comprises a third sidewall connected between the first sidewall and the second sidewall, the detent recess being recessed from the third sidewall toward an interior of the circuit board.

3. The circuit board assembly of claim 1, wherein the circuit board further comprises first and second oppositely disposed faces, the first face facing the substrate and the second face facing away from the substrate; one side of the positioning piece, which is far away from the substrate, is a third surface, and the third surface is positioned on one side of the second surface, which is far away from the first surface.

4. The circuit board assembly of claim 2, further comprising a first fastener and a second fastener, the first fastener being proximate the first sidewall relative to the second sidewall, the second fastener being proximate the second sidewall relative to the first sidewall, and the second fastener being proximate the third sidewall relative to the first fastener.

5. The circuit board assembly of claim 4, wherein the circuit board further comprises a third fastener and a fourth fastener, the third fastener being disposed opposite the first fastener, and the third fastener being distal from the third sidewall relative to the second fastener;

6. The circuit board assembly of claim 5, wherein the first fastener is proximate the first sidewall opposite the fourth fastener, and the second fastener is disposed opposite the third fastener.

7. The circuit board assembly of claim 5, wherein a spacing between the positioning member and the fourth fastener is a first spacing, and a spacing between the positioning member and the second fastener is a second spacing, the first spacing being less than the second spacing.

8. The circuit board assembly of claim 5, wherein the first fastener is disposed opposite the four fasteners and the second fastener is disposed opposite the third fastener.

9. The circuit board assembly according to any one of claims 1 to 8, wherein the number of the positioning members is two, two positioning members are oppositely arranged, and the distance between the two positioning members and the first side wall is equal.

10. An electronic device comprising a housing and a circuit board assembly according to any one of claims 1-9, said circuit board assembly being mounted to said housing.