电池模组

Abstract

本实用新型公开一种电池模组，包括电路板、第一支架、第二支架以及若干圆柱动力电池，若干圆柱动力电池形成电池组，第一支架包括第一安装底部以及第一安装侧部，第二支架包括第二安装底部以及第二安装侧部，第一安装侧部上设有第一定位部以及第二定位部，第二安装侧部上对应第一定位部以及第二定位部设有第三定位部以及第四定位部，电路板与第一定位部、第二定位部、第三定位部以及第四定位部螺丝连接。本实用新型通过设置第一安装侧部以及第二安装侧部并在第一安装侧部上设置第一定位部和第二定位部且在第二安装侧部上设置第三定位部和第四定位部，使得电路板与第一定位部、第二定位部、第三定位部以及第四定位部螺丝连接，装配和售后较方便。

Claims

1. A battery module, characterized by: The device includes a circuit board, a first bracket, a second bracket, and a plurality of cylindrical power batteries sandwiched between the first bracket and the second bracket. The plurality of cylindrical power batteries form a battery pack. The first bracket includes a first mounting bottom and a first mounting side surrounding the periphery of the first mounting bottom. The first mounting bottom is provided with a plurality of first mounting grooves. The second bracket includes a second mounting bottom and a second mounting side surrounding the periphery of the second mounting bottom. The second mounting bottom is provided with a plurality of second mounting grooves. The cylindrical power batteries are sandwiched between the first mounting grooves and the corresponding second mounting grooves. The first mounting side and the second mounting side surround the outer periphery of the battery pack. The first mounting side is provided with a first positioning part and a second positioning part arranged side by side. The second mounting side is provided with a third positioning part and a fourth positioning part corresponding to the first positioning part and the second positioning part. The circuit board is mounted on the first positioning part, the second positioning part, the third positioning part, and the fourth positioning part and is screwed to the first positioning part, the second positioning part, the third positioning part, and the fourth positioning part.

2. The battery module of claim 1, wherein: The first positioning part includes a first threaded hole protruding from the first bracket, the second positioning part includes a second threaded hole protruding from the first bracket, the third positioning part includes a third threaded hole protruding from the second bracket, and the fourth positioning part includes a fourth threaded hole protruding from the second bracket. The circuit board overlaps the first threaded hole, the second threaded hole, the third threaded hole, and the fourth threaded hole and is screwed to the first threaded hole, the second threaded hole, the third threaded hole, and the fourth threaded hole.

3. The battery module of claim 2, wherein: The first, second, third, and fourth threaded hole portions are disposed corresponding to the four corners of the circuit board. A first limiting plate is provided on the periphery of the first threaded hole portion. The first limiting plate is L-shaped, and its top is higher than the top of the first threaded hole portion. A second limiting plate is provided on the periphery of the second threaded hole portion. The second limiting plate is L-shaped, and its top is higher than the top of the second threaded hole portion. A third limiting plate is provided on the periphery of the third threaded hole portion. The third limiting plate is L-shaped, and its top is higher than the top of the third threaded hole portion. A fourth limiting plate is provided on the periphery of the fourth threaded hole portion. The first, second, third, and fourth limiting plates form the mounting position of the circuit board, and the first, second, third, and fourth limiting plates are disposed corresponding to the four corners of the circuit board.

4. The battery module of claim 1, wherein: The first bracket has a first protrusion corresponding to the circuit board, and the second bracket has a second protrusion corresponding to the circuit board. The top surfaces of the first protrusion and the second protrusion are both higher than the circuit board, and the circuit board is disposed between the first protrusion and the second protrusion.

5. The battery module of claim 4, wherein: The first protrusion is provided with a first buffer pad, and the second protrusion is provided with a second buffer pad.

6. The battery module of claim 1, wherein: The first mounting bottom is provided with a plurality of first protrusions on the side facing the second mounting bottom. The first protrusions are provided with a first through hole along their axial direction. The second mounting bottom is provided with a plurality of second protrusions on the side facing the first mounting bottom, corresponding to the plurality of first protrusions. The second protrusions are provided with a second through hole corresponding to the first through hole. The second through hole is provided with an internal thread. The battery module also includes a plurality of screws. The screws pass through the first through hole and the second through hole and are threadedly connected to the second through hole.

7. The battery module of claim 1, wherein: The first mounting bottom has a plurality of first nickel plates on the side away from the second mounting bottom for electrical connection with the cylindrical power battery. The outer side of the first nickel plates has a first insulating plate. The second mounting bottom has a plurality of second nickel plates on the side away from the first mounting bottom for electrical connection with the cylindrical power battery. The outer side of the second nickel plates has a second insulating plate. The first insulating plate has a plurality of first buffer strips attached to it, and the second insulating plate has a plurality of second buffer strips attached to it.

8. The battery module of claim 7, wherein: The first mounting bottom is provided with a plurality of first limiting posts on the side away from the second mounting bottom. The top of the first limiting posts protrudes from the first insulating plate and the top of the first limiting posts is lower than the outer surface of the first buffer strip. The second mounting bottom is provided with a plurality of second limiting posts on the side away from the first mounting bottom. The top of the second limiting posts protrudes from the second insulating plate and the top of the second limiting posts is lower than the outer surface of the second buffer strip.

9. The battery module of claim 1, wherein: The battery module also includes a housing and a cover. The housing is a barrel-shaped structure with one end open, and the cover is placed over the opening of the housing.

10. The battery module as described in claim 9, characterized in that: The circuit board is located on the side of the first bracket and the second bracket facing the cover.

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