CN210200852U

CN210200852U - Power battery board is to board connection piece structure

Info

Publication number: CN210200852U
Application number: CN201921424984.0U
Authority: CN
Inventors: Dongfu He; 何东甫; Binsheng Liu; 刘斌生; Fengmin Zhang; 张凤敏
Original assignee: Fujian Scud Power Technology Co Ltd
Current assignee: Fujian Scud Power Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-03-27
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a power battery plate-to-plate connecting sheet structure, which comprises a connecting sheet; the connecting piece comprises a base part and a connecting part, and is characterized in that: one end of the base extends to one side to form a connecting part; one end of the connecting part, which is not connected with the base part, is provided with a plug-in part; the center of the insertion part is provided with a plurality of grooves. The base part is connected with the first PCB through a fixed welding point; the insertion part is inserted into the through hole on the second PCB, so that the connection between the two PCBs is realized. Thereby the connection piece can select for use different substrates to realize resistant current's effect to different electric current demands, and the customization nature that the structure of connection piece improves the board to the board is connected, and the overall arrangement space has been increaseed to the basal portion, can realize the overall arrangement of sharing pad.

Description

Power battery board is to board connection piece structure

Technical Field

The utility model relates to a battery technology field especially relates to a power battery board is to board connection piece structure.

Background

With the great development of the new energy field, the requirements of the circuit board in the power battery product are higher and higher, and the number of the circuit boards is increased. However, in the conventional board-to-board connection device, the board end of the current-resistant device has a large temporary area and poor customization.

The existing conventional current-resistant plate-to-plate connection scheme mainly has three types:

the scheme of the PIN standard component is adopted, a single PIN is small in current resistance and generally not more than 3A, a plurality of PINs occupy a large layout space of a PCB, the standard component is basically used, and customization is poor.

And secondly, a standard socket scheme is adopted, the socket occupies a large PCB layout space, is basically a standard component and has poor customization performance.

And thirdly, a wiring harness connection scheme is adopted, the wiring harness welding operation time is long, uncontrollable risks such as tin bead residue and the like exist in the welding operation process, and certain potential safety hazards exist in wiring harness shaping, protection and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide a power battery board to board connection piece structure of simple structure, resistant current, improvement integrated level, saving the cloth board space.

The utility model discloses a realize through following mode:

a power battery plate-to-plate connecting sheet structure comprises a connecting sheet; the connecting piece comprises a base part and a connecting part, and is characterized in that: one end of the base extends to one side to form a connecting part; one end of the connecting part, which is not connected with the base part, is provided with a plug-in part; the center of the insertion part is provided with a plurality of grooves.

Furthermore, the side part of the base part which is not connected with the connecting part is provided with a fixed welding spot.

Furthermore, two sides of the insertion part are provided with limiting bending parts.

Further, the base is connected with the first PCB through a fixed welding point; the insertion part is inserted into the through hole on the second PCB.

Further, the base part and the connecting part form a right angle.

Further, the base surface is provided with a common pad.

The beneficial effects of the utility model reside in that: 1. the problems that a common board is small in current resistance, poor in customization performance and large in occupied area of a circuit board of a board-to-board connecting device are comprehensively improved, the customization performance of board-to-board connection is improved through the connecting sheet, and layout space is enlarged.

2. The utility model discloses the piece is decided for the die sinking to the connection piece, can adopt pure nickel or other welding performance, the good conductor that the electrical property is good to form, and based on different electric currents and board to the board demand of connecting, connection piece thickness and height, welding angle can carry out the customization adjustment, improve the suitability.

3. The utility model discloses the common pad of the basal portion of connection piece, integrated board have improved board end integrated level to board junction device's pad and electric core welding laser spot welding pad.

4. The utility model discloses the basal portion of connection piece can carry out laser spot welding with the nickel piece of being connected of electric core and be connected and realize the pad sharing, and grafting portion can adopt chip mounter paster welding, has improved welding efficiency and has improved the risk that the pencil is connected.

Drawings

FIG. 1 is a perspective view of a connecting sheet of the present invention;

FIG. 2 is a schematic diagram of the plate-to-plate connection of the present invention;

FIG. 3 is a view showing a usage state of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): referring to fig. 1-3, a power battery plate-to-plate connecting sheet structure comprises a connecting sheet 1; the connecting sheet 1 comprises a base 2 and a connecting portion 4, and is characterized in that: one end of the base part 2 extends to one side to form a connecting part 4; one end of the connecting part 4, which is not connected with the base part 2, is provided with an inserting part 5; the center of the inserting part 5 is provided with a plurality of grooves 7.

Furthermore, the side part of the base part 2 which is not connected with the connecting part 4 is provided with a fixed welding point 3.

Furthermore, two sides of the insertion part 5 are provided with limiting bending parts 6.

Further, the base part 2 is connected with a first PCB board 8 through a fixed welding point 3; the insertion part 5 is inserted into a through hole of the second PCB 9.

Further, the base 2 and the connecting part 4 are at right angles.

Further, the surface of the base 2 is provided with a common pad.

The fixed welding spot 3 on the basal portion 2 is connected with the first PCB 8 through welding, the inserting portion 5 is inserted into a through hole corresponding to the second PCB 9, the connecting position of the second PCB is controlled by the limiting bending portion 6, the supporting effect is achieved, and the top end of the inserting portion 5 can be welded by a chip mounter. The utility model discloses connection piece 1 is the die sinking customization piece, can adopt pure nickel or other welding performance, the good conductor that the electrical property is good to form, based on different electric currents and board to the board connection demand, 1 thickness of connection piece and height, welding angle can carry out the customization adjustment, improve the suitability. The shared bonding pad on the base 2 of the connecting sheet 1, the integration board welds the laser spot welding bonding pad to the bonding pad of the board-to-board connecting device and the electric core, and the board end integration level is improved. The base part 2 of the connecting sheet 1 can be connected with the connecting nickel sheet 11 of the battery core 10 through laser spot welding to achieve pad sharing, and the inserting part 5 can be subjected to surface mounting welding through a surface mounting machine, so that the welding efficiency is improved, and the risk of connection of wire harnesses is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A power battery plate-to-plate connecting sheet structure comprises a connecting sheet (1); the connecting piece (1) comprises a base (2) and a connecting portion (4), and is characterized in that: one end of the base (2) extends to one side to form a connecting part (4); one end of the connecting part (4) which is not connected with the base part (2) is provided with an inserting part (5); the center of the insertion part (5) is provided with a plurality of grooves (7).

2. The power cell plate-to-plate connecting sheet structure according to claim 1, wherein: and a fixed welding point (3) is arranged on the side part of the base part (2) which is not connected with the connecting part (4).

3. The power cell plate-to-plate connecting sheet structure according to claim 1, wherein: and two sides of the insertion part (5) are provided with limiting bending parts (6).

4. The power cell plate-to-plate connecting sheet structure according to claim 1, wherein: the base part (2) is connected with a first PCB (8) through a fixed welding point (3); the plug-in part (5) is inserted into a through hole on the second PCB (9).

5. The power cell plate-to-plate connecting sheet structure according to claim 1, wherein: the base (2) and the connecting part (4) form a right angle.

6. The power cell plate-to-plate connecting sheet structure according to claim 1, wherein: the surface of the base (2) is provided with a common bonding pad.