CN209515829U - Connecting plate component - Google Patents

Abstract

The utility model relates to connecting plate components comprising wiring board, frame and connection terminal are provided with conductor line on the wiring board, and the wiring board number is muti-piece or more；Wiring board described in muti-piece is installed on said frame, is spaced apart；With two pieces of circuit board electrical connections, the conducting wire on two pieces of wiring boards is electrically connected respectively for connection terminal, the both ends of the connection terminal.Connecting plate component in the utility model, wiring board is set as muti-piece, therefore the size of each piece of wiring board can be as small as possible.In this way, even if frame because of buckling deformation, also can be convenient by the wiring board of small size and frame accurate contraposition, it is convenient to the connection terminal on frame, the inserting terminal accurate contraposition on electrode connecting plate, facilitate installation.

Description

connection plate assembly

technical field

The utility model relates to a connecting plate assembly.

Background technique

There are multiple battery cells in the integrated battery pack, and the operating status of each battery cell needs to be closely monitored to achieve optimal management of the entire battery pack. In order to achieve the purpose of monitoring many battery cells, it is necessary to set up corresponding electrode connection plates, frames and printed circuit boards. In larger battery packs, the size of the frame is correspondingly larger. If the frame is made of injection molded parts, it will easily cause the frame to warp and become uneven as the size increases. Where face-to-face fit is required, the larger the surface area of the same part, the more difficult it is to accurately align with each position of the frame. This also causes inconvenience in installation and use, and in serious cases affects the electrical connection performance of each component, resulting in failure of battery core monitoring. When using solderless terminals to collect and manage batteries, the deformation of the plastic frame will seriously affect the position of the solderless terminals, which will bring great inconvenience to the assembly of the circuit board, and even lead to solderless terminals during use. The terminal protruding from the circuit board caused the battery cell monitoring to fail.

Utility model content

One of the purposes of the utility model is to provide an easy-to-connect connecting plate assembly in order to overcome the deficiencies in the prior art.

In order to achieve the above purpose, the utility model is realized through the following technical solutions:

The connecting plate assembly is characterized in that it includes:

A circuit board, the circuit board is provided with conductor lines, and the number of the circuit boards is more than one;

a frame having an upper surface for mounting a circuit board;

A connection terminal, the connection terminal has two ends for plugging into the circuit board;

A plurality of circuit boards are installed on the upper surface of the frame; two ends of the connection terminals are respectively electrically connected to two circuit boards, so as to electrically connect the conductive lines on the two circuit boards.

According to an embodiment of the present invention, the connection terminal is connected to the frame.

According to an embodiment of the present invention, the connection terminal is embedded in the frame, and both ends of the connection terminal protrude from the surface of the frame.

According to an embodiment of the present invention, the connecting terminal is a solder-free terminal, and the solder-free terminal is inserted on the circuit board.

According to an embodiment of the present invention, the connecting terminal includes a mounting portion, and the two ends of the mounting portion are respectively provided with inserting portions; the inserting portion includes a first connecting portion, a first The holding part and the first plug part; the first connecting part is connected to the installation part, and the circumferential dimension of the first plug part and the circumferential dimension of the first connecting part are both smaller than the circumferential dimension of the first holding part size; and the first retaining portion is elastic and deformable under pressure; the first retaining portion is inserted into the circuit board.

According to an embodiment of the present utility model, the installation part and the two insertion parts are arranged in a U shape.

According to an embodiment of the present utility model, the first retaining part is provided with a first tearing area; a first elastic piece is arranged in the first tearing area, and the first elastic piece is deformed and resettable when pressed. It is provided that both ends of the first elastic piece along the width direction of the first holding part are respectively connected to the first holding part; when the first holding part is pressed, the first elastic piece is deformed along the width direction of the first holding part.

According to an embodiment of the present invention, a plurality of the first elastic pieces are arranged along the height direction of the insertion part.

According to an embodiment of the present utility model, the connecting plate assembly is a connecting plate assembly for electrically connecting a plurality of battery cells in a battery pack.

According to an embodiment of the present invention, it further includes an electrode connection plate for electrically connecting a plurality of battery cells; the electrode connection plate is electrically connected with the conductive circuit on the circuit board.

According to an embodiment of the present invention, the electrode connection board is connected with a plug-in terminal, the plug-in terminal is plug-connected with the circuit board, and the plug-in terminal is electrically connected with the conductive circuit on the circuit board .

According to an embodiment of the present utility model, the center of the insertion terminal is at the same height as the center of the connection terminal.

According to an embodiment of the present invention, the circuit boards have a length direction, and the circuit boards are arranged in sequence along the length direction.

According to an embodiment of the present invention, the plurality of adjacent circuit boards are arranged, and the circuit boards are arranged with gaps between them for electrical connection through the terminals of the U-row structure.

According to an embodiment of the present invention, the plurality of circuit boards are not coplanarly arranged.

According to an embodiment of the present invention, a uniform gap is maintained between the plurality of circuit boards and the upper surface of the frame.

According to an embodiment of the present invention, the centers of the two ends of the connecting terminal are of the same height.

In the connecting plate assembly in the utility model, the circuit boards are arranged in multiple pieces, so the size of each circuit board can be as small as possible. In this way, even if the frame is warped and deformed, the small-sized circuit board can be accurately aligned with the frame, and it can be easily aligned with the connection terminals on the frame and the plug terminals on the electrode connection board, which is convenient for installation. . Moreover, during use, further deformation of the frame will have less impact on the circuit board, and will not affect the electrical connection performance between the circuit board and the plug terminals and connection terminals, reducing the risk of electrical connection failure and making it safer to use.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the connecting plate assembly in the present invention.

Fig. 2 is a structural schematic diagram of the electrode connecting plate and the plug-in terminal in the utility model.

FIG. 3 is a schematic diagram of a partial structure in FIG. 2 .

Fig. 4 is a schematic structural diagram of the connecting terminal in the present invention.

Fig. 5 is a schematic diagram of the structure of the plug-in part of the connecting terminal in the present invention.

Fig. 6 is a cross-sectional view of the connection terminal in use in the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail:

As shown in FIGS. 1 to 3 , the battery pack 100 includes a plurality of battery cells (not shown), a plurality of electrode connecting plates 120 and a connecting plate assembly 130 . The specific number of battery cells depends on the application. Multiple battery cells are arranged in a preset manner. The electrodes (not shown in the figure) of each battery cell are electrically connected to the electrode connecting plate 120 . Sixteen electrode connection plates 120 are provided as shown. Each electrode connection plate 120 is connected with a plug terminal 121 . The function of the electrode connection plate 120 and the plug terminal 121 is to electrically connect the electrodes of the battery core to the conductive circuit on the circuit board 131 described later, so the shape and structure of the electrode connection plate 120 are not limited. The plug-in terminal 121 preferably adopts a solderless terminal, which is suitable for a plug-in connection structure. In the example shown in the figure, the plug terminal 121 includes a second connecting part 122, a second holding part 123 and a second plug part 124 connected sequentially from the electrode connecting plate 120; the second connecting part 122 and the The electrode connection plate 120 is connected, the circumferential dimension of the second plug part 124 and the circumferential dimension of the second connection part 122 are smaller than the circumferential dimension of the second holding part 123; and the second holding part 123 is elastic and deformable under pressure. ; The second holding portion 123 is inserted into the circuit board 131 described later. The second retaining portion 123 is provided with a second tearing area 125; the second tearing area 125 is provided with a second elastic piece 126, and the second elastic piece 126 is deformed and resettable when it is pressed; Both ends of the second elastic piece 126 along the width direction of the second holding portion 123 are respectively connected to the second holding portion 123 ; Along the height direction of the second holding portion 123 , there are multiple second elastic pieces 126 , and in one example shown in the figure, there are three second elastic pieces 126 .

As shown in FIGS. 1 to 6 , the connecting board assembly 130 includes a circuit board 131 , a frame 132 and connecting terminals 133 . Conductor lines (not shown in the figure) are arranged on the circuit board 131 . The function of the circuit board 131 is to transmit and monitor the electric signal generated by the battery core, and its conductor circuit conducts electricity. The circuit board 131 may adopt various available structures. Printed wiring boards are preferably used. The conductor lines are printed circuit patterns.

The function of the frame 132 is to support and install the electrode connection board 120 and the circuit board 131 . Its structure is not limited, as long as it can realize its predetermined function. In order to install more electrode connecting boards 120 and enough circuit boards 131 , the frame 132 has at least one mounting surface 134 with a larger size. The mounting surface 134 is the upper surface of the frame 132 . According to a preferred solution of the present utility model, the frame 132 is an injection molded part. A plurality of circuit boards 131 are mounted on the mounting surface 134 of the frame 132 . According to the technical solution of the utility model, the number of circuit boards 131 is multiple, and the specific number can be changed. A plurality of circuit boards 131 are arranged at intervals along the length direction and end-to-end, and there is a gap between every two circuit boards 131 . In one of the optional solutions, the plurality of circuit boards 131 are arranged in a non-coplanar manner. In a preferred example of the present invention, a uniform gap is maintained between the plurality of circuit boards 131 and the upper surface of the frame 132 . The following takes two circuit boards 131 as an example for illustration.

The main function of the connection terminal 133 is to electrically connect the conductive lines on the two circuit boards 131 . In the present invention, the connection terminal 133 also has a mechanical connection function to mechanically connect the circuit board 131 to the frame 132 . According to the technical solution of the present invention, the main body of the connecting terminal 133 is embedded in the frame 132 , and both ends are exposed to the frame 132 for plugging connection with the circuit board 131 . The connecting terminal 133 includes a mounting portion 135. The function of the mounting portion 135 is to cooperate with the frame 132 to connect the connecting terminal 133 to the frame 132 as a whole. In the example shown in the figure, the mounting portion 135 is U-shaped and long. The two ends of the installation part 135 are respectively provided with plug-in parts 136 , and the plug-in parts 136 are used for plug-in connection with the circuit board 132 . The installation portion 135 and the two insertion portions 136 are arranged in a U shape. The mounting portion 135 is embedded in the frame 132 . The socket portion 136 is exposed from the circuit board 131 . The insertion part 136 includes a first connecting part 137, a first holding part 138 and a first plug part 139 connected sequentially from the end of the mounting part 135. The first connecting portion 137 is connected to the installation portion 135 , and the circumferential dimension of the first plug portion 139 and the circumferential dimension of the first connecting portion 137 are both smaller than the circumferential dimension of the first holding portion 138 . The first holding portion 138 is elastic and deformable under pressure. The first retaining portion 138 has elasticity, so that when it can be inserted into the circuit board 131 , its elasticity helps the first retaining portion 138 to tightly fit with the circuit board 131 , improving connection stability.

The first retaining portion 138 is provided with a first tearing area 139; the first tearing area 139 is provided with a first elastic piece 141, and the first elastic piece 141 is deformed and resettable when it is pressed; Both ends of the first elastic piece 141 along the width direction of the first holding portion 138 are respectively connected to the first holding portion 138; out of shape. A plurality of the first elastic pieces 141 are arranged along the height direction of the first insertion portion 138 . As shown in the figure, there are three first elastic pieces 141 .

A plurality of battery cells are arranged in a row, and the frame 132 is arranged on the upper ends of the plurality of battery cells. The electrode connection plate 120 is disposed on the frame 132 . Each electrode connection plate 120 is electrically connected to an electrode of one of the battery cells. The plug terminal 121 is connected to the circuit board 131 by plugging. The second elastic piece 126 helps the second holding portion 123 to be firmly inserted into the circuit board 131 . The connection terminal 133 electrically connects the conductive lines of the two circuit boards 131 , and at the same time mechanically connects and fixes the two circuit boards 131 and the frame 132 . In this way, the conductive circuits of different circuit boards 131 form an integrated circuit, and the electrode connection plates 121 of multiple battery cells can be integrated and output. According to the preferred solution of the present utility model, after the plug-in terminal 121, the connection terminal 133 and the circuit board 131 are plugged in, the center of the plug-in terminal 121 and the center of the two ends of the connection terminal 133, that is, the center of the plug-in part 136 are set at the same height, and /or the centers of the two ends of the connecting terminal 133 , that is, the centers of the two plug-in parts 136 are set at the same height. The equal height setting can ensure that all positions of the circuit board 131 are at the same height position and keep flush.

In the connecting plate assembly in the utility model, the circuit boards are arranged in multiple pieces, so the size of each circuit board can be as small as possible. In this way, even if the frame is warped and deformed, the small-sized circuit board can be accurately aligned with the frame, and it can be easily aligned with the connection terminals on the frame and the plug terminals on the electrode connection board, which is convenient for installation. . Moreover, during use, further deformation of the frame will have less impact on the circuit board, and will not affect the electrical connection performance between the circuit board and the plug terminals and connection terminals, reducing the risk of electrical connection failure and making it safer to use.

The above are only preferred embodiments of the present utility model, and are not intended to limit the scope of protection of the present utility model. Any modification, equivalent replacement or improvement within the spirit of the present utility model is covered by the claims of the present utility model. .

Claims (17)

1. Connecting plate assembly, is characterized in that, comprises: A circuit board, the circuit board is provided with conductor lines, and the number of the circuit boards is more than one; a frame having an upper surface for mounting a circuit board; A connection terminal, the connection terminal has two ends for plugging into the circuit board; A plurality of circuit boards are installed on the upper surface of the frame; two ends of the connection terminals are respectively electrically connected to two circuit boards, so as to electrically connect the conductive lines on the two circuit boards. 2. The connection board assembly according to claim 1, wherein the connection terminals are connected to the frame. 3 . The connecting board assembly according to claim 1 , wherein the connecting terminal is embedded in the frame, and both ends of the connecting terminal protrude from the surface of the frame. 4 . 4 . The connection board assembly according to claim 1 , wherein the connection terminals are solder-free terminals, and the solder-free terminals are inserted on the circuit board. 5. The connecting board assembly according to claim 1, wherein the connecting terminal includes a mounting portion, and the two ends of the mounting portion are respectively provided with inserting portions; The first connecting part, the first holding part and the first plug part; the first connecting part is connected to the installation part, and the circumferential dimension of the first plug part and the circumferential dimension of the first connecting part are smaller than The circumferential dimension of the first holding part; and the first holding part is elastic and deformable under pressure; the first holding part is inserted into the circuit board. 6 . The connecting plate assembly according to claim 5 , wherein the installation portion and the two insertion portions are arranged in a U-shape. 7 . 7. The connecting plate assembly according to claim 5, characterized in that, the first holding part is provided with a first tear zone; a first elastic piece is arranged in the first tear zone, and the first elastic piece It is deformed and resettable when under pressure; the two ends of the first elastic piece along the width direction of the first holding portion are respectively connected to the first holding portion; when the first holding portion is pressed, the first elastic piece is The holding part is deformed in the width direction. 8 . The connecting plate assembly according to claim 7 , wherein a plurality of the first elastic pieces are arranged in a row along the height direction of the insertion portion. 9 . The connection board assembly according to claim 1 , wherein the connection board assembly is a connection board assembly for electrically connecting a plurality of battery cells in a battery pack. 10. The connection plate assembly according to claim 1, further comprising an electrode connection plate for electrically connecting a plurality of battery cells; the electrode connection plate is electrically connected to the conductive circuit on the circuit board. 11. The connecting board assembly according to claim 10, characterized in that, the electrode connecting board is connected with a plug-in terminal, and the plug-in terminal is plug-connected with the circuit board, and the plug-in terminal is connected to the circuit board. The conductive traces on the circuit board are electrically connected. 12 . The connecting board assembly according to claim 11 , wherein the center of the plug-in terminal is equal to the center of the connecting terminal. 13 . 13. The connection board assembly according to claim 1, wherein the circuit board has a length direction, and the circuit boards are arranged in sequence along the length direction. 14 . The connection board assembly according to claim 1 , wherein the plurality of circuit boards are arranged adjacent to each other, and the circuit boards are arranged with gaps between the circuit boards to realize electrical connection through the terminals of U-row structure. 15 . 15. The connection board assembly according to any one of claims 1 to 13, wherein the plurality of circuit boards are arranged non-coplanar. 16. The connection board assembly according to claim 14, wherein a uniform gap is maintained between the plurality of circuit boards and the upper surface of the frame. 17. The connection board assembly according to claim 1, wherein the centers of the two ends of the connection terminal are equal in height.