Mounting bracket for cell supervision circuit, battery pack, and vehicle

Patent metadata

Field	Value
Publication number	US-12034137-B2
Application number	US-201816962605-A
Country	US
Kind code	B2
Filing date	Dec 28, 2018
Priority date	Jan 19, 2018
Publication date	Jul 9, 2024
Grant date	Jul 9, 2024

Abstract

This disclosure relates to the technical field of energy storage devices, and in particular, to a mounting bracket for a cell supervision circuit, a battery pack, and a vehicle. The mounting bracket includes: a management system mounting part, including a management system mounting surface, which is configured to mount a cell supervision circuit; and a thermally conductive part, configured to fit snugly to a container of the battery pack, which is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located.

First claim

What is claimed is:

1. A mounting bracket for a cell supervision circuit, comprising:
a management system mounting part, comprising a management system mounting surface, wherein the management system mounting surface is configured to mount the cell supervision circuit; and
a thermally conductive part, configured to fit snugly to a container of a battery pack, wherein the thermally conductive part is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located,
wherein a container mounting part is disposed on two sides of the thermally conductive part, the container mounting part comprises a container mounting surface, the container mounting surface is perpendicular to the management system mounting surface and is adapted for fastening the mounting bracket with the container, and the thermally conductive part protrudes outward with respect to the container mounting part so as to fit snugly to the container.

2. The mounting bracket according to claim 1 , wherein
the management system mounting part comprises a plurality of through-holes, some of which are mounting holes, and others are spare holes.

3. The mounting bracket according to claim 1 , further comprising one or more module pressing parts, wherein each module pressing part is connected to an end of the management system mounting part away from the thermally conductive part, and the one or more module pressing parts and the thermally conductive part are located on two sides of the management system mounting part respectively.

4. The mounting bracket according to claim 3 , further comprising a force balancing structure, wherein the force balancing structure is disposed on at least one of the management system mounting part and the one or more module pressing parts.

5. The mounting bracket according to claim 4 , wherein
the management system mounting part comprises a plurality of through-holes, some of which are mounting holes, and others are spare holes.

6. The mounting bracket according to claim 3 , wherein
the management system mounting part comprises a plurality of through-holes, some of which are mounting holes, and others are spare holes.

7. A battery pack, comprising:
a container;
a plurality of battery modules, each battery module comprising an end plate; and
a mounting bracket comprising:
a management system mounting part, comprising a management system mounting surface; and
a thermally conductive part, wherein the thermally conductive part is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located, wherein the management system mounting part is oppositely disposed on one side of the end plate; and the thermally conductive part fits snugly to the container; and

a cell supervision circuit, wherein the cell supervision circuit is mounted on the management system mounting surface,
wherein a container mounting part is disposed on two sides of the thermally conductive part, the container mounting part comprises a container mounting surface, the container mounting surface is perpendicular to the management system mounting surface and is adapted for fastening the mounting bracket with the container, and the thermally conductive part protrudes outward with respect to the container mounting part so as to fit snugly to the container.

8. The battery pack according to claim 7 , further comprising one or more module pressing parts, wherein the one or more module pressing parts are connected to an end of the management system mounting part away from the thermally conductive part, and the one or more module pressing parts and the thermally conductive part are located on two sides of the management system mounting part respectively; and
each module pressing part is connected onto and presses adjacent end plates of adjacent battery modules of the plurality of battery modules concurrently.

9. The battery pack according to claim 8 , wherein the container comprises an upper container part and a lower container part that engage with each other; and
the container mounting surface is perpendicular to a direction of engaging the upper container part with the lower container part.

10. The battery pack according to claim 9 , further comprising a thermally conductive adhesive, wherein the thermally conductive adhesive is disposed on at least one of a side of the management system mounting part away from the management system mounting surface and a surface of the thermally conductive part which fits snugly to the container.

11. The battery pack according to claim 8 , wherein the mounting bracket further comprises a force balancing structure, wherein the force balancing structure is disposed on at least one of the management system mounting part and the one or more module pressing parts.

12. The battery pack according to claim 11 , wherein
the management system mounting part comprises a plurality of through-holes, some of which are mounting holes, and others are spare holes.

13. The battery pack according to claim 8 , further comprising a thermally conductive adhesive, wherein the thermally conductive adhesive is disposed on at least one of a side of the management system mounting part away from the management system mounting surface and a surface of the thermally conductive part which fits snugly to the container.

14. The battery pack according to claim 7 , further comprising a thermally conductive adhesive, wherein the thermally conductive adhesive is disposed on at least one of a side of the management system mounting part away from the management system mounting surface and a surface of the thermally conductive part which fits snugly to the container.

15. The battery pack according to claim 7 , wherein
the management system mounting part comprises a plurality of through-holes, some of which are mounting holes, and others are spare holes.

16. The battery pack according to claim 7 , wherein the container comprises an upper container part and a lower container part that engage with each other; and
the container mounting surface is perpendicular to a direction of engaging the upper container part with the lower container part.

17. A vehicle, comprising a battery pack comprising:
a container;
a battery module, comprising an end plate; and
a mounting bracket comprising:
a management system mounting part, comprising a management system mounting surface; and
a thermally conductive part, wherein the thermally conductive part is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located, wherein the management system mounting part is oppositely disposed on one side of the end plate; and the thermally conductive part fits snugly to the container; and

a cell supervision circuit, wherein the cell supervision circuit is mounted on the management system mounting surface,
wherein a container mounting part is disposed on two sides of the thermally conductive part, the container mounting part comprises a container mounting surface, the container mounting surface is perpendicular to the management system mounting surface and is adapted for fastening the mounting bracket with the container, and the thermally conductive part protrudes outward with respect to the container mounting part so as to fit snugly to the container.

Assignees

• Contemporary Amperex Technology Co Ltd

Inventors

• You Kaijie
• Zhou Linggang
• Wang Derong
• Chan Libing

Classifications

• H01M50/209

  adapted for prismatic or rectangular cells (H01M50/216 takes precedence) · CPC title

• H01M50/244

  Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method · CPC title

• H01M2220/20

  Batteries in motive systems, e.g. vehicle, ship, plane · CPC title

• H01M10/425 Primary

  Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing (printed circuits H05K1/00) · CPC title

• H01M10/653

  characterised by electrically insulating or thermally conductive materials · CPC title