Battery module

Patent metadata

Field	Value
Publication number	US-12155083-B2
Application number	US-202117141191-A
Country	US
Kind code	B2
Filing date	Jan 4, 2021
Priority date	Jun 19, 2020
Publication date	Nov 26, 2024
Grant date	Nov 26, 2024

Abstract

A battery module includes a jumper electrode connector a neighbor electrode connector, and batteries. The jumper electrode connector is configured for the electrical connection between the batteries arranged at intervals, and the neighbor is configured for the electrical connection between the adjacent batteries, thereby realizing the connection relationship of the batteries in the battery module. The jumper electrode connector is formed with a notch in a first direction and toward an outside of the battery module, and the neighbor electrode connector is arranged in the notch.

First claim

What is claimed is:

1. A battery module, comprising:
a neighbor electrode connector, a jumper electrode connector, a battery, a wire harness plate, and a signal acquisition structure;
wherein a number of the battery is greater than or equal to four;
the neighbor electrode connector is configured to electrically connect a plurality of the batteries arranged adjacent to each other;
the jumper electrode connector is configured to electrically connect a plurality of the batteries arranged at intervals;
the jumper electrode connector is provided with a notch in a first direction and toward an outside of the battery module, and the neighbor electrode connector is arranged in the notch;
the first direction is perpendicular to an arrangement direction of the batteries;
the wire harness plate is configured between the batteries and the jumper electrode connector;
a surface, of the jumper electrode connector, close to the wire harness plate is a first surface, and a gap is formed between at least one partial region of the first surface and the wire harness plate;
the at least one partial region does not contact the wire harness plate;
the neighbor electrode connector is stably fixed on the wire harness plate;
the jumper electrode connector comprises:
two first divisions extending in the first direction, wherein each of the first divisions is electrically connected to the batteries arranged at intervals; and
a second division electrically connected to the two first divisions, wherein the second division extends in the arrangement direction of the batteries, the second division is disposed between the two first divisions, and the two first divisions and the second division form the notch;

the gap is formed between the at least one partial region corresponding to the second division in the first surface and the wire harness plate;
the first surface is directly facing the wire harness plate and the batteries;
the signal acquisition structure is electrically connected to the jumper electrode connector and the neighbor electrode connector;
the signal acquisition structure comprises a transmission portion, and the transmission portion passes through the gap;
the jumper electrode connector is provided with a first buffer portion in a bent shape, and the first buffer portion is stretchingly deformed or contractingly deformed along the arrangement direction of the batteries under an action of an external force;
the transmission portion is arranged in the first buffer portion;
the signal acquisition structure further comprises a collection portion electrically connected to the transmission portion;
the collection portion comprises a first collection terminal, a second collection terminal and a buffer structure connected to the first collection terminal and the second collection terminal;
the first collection terminal is electrically connected to the jumper electrode connector;
the second collection terminal is electrically connected to the neighbor electrode connector; and
the buffer structure is stretchingly deformed or contractingly deformed along the arrangement direction of the batteries under the action of the external force.

2. The battery module according to claim 1 , wherein an insulation enhancement structure is provided between the transmission portion and the jumper electrode connector; or
the gap is formed between the transmission portion and the jumper electrode connector.

3. The battery module according to claim 1 , wherein the wire harness plate is arranged between the batteries and the neighbor electrode connector, and a first slot is provided on a side of the neighbor electrode connector away from the wire harness plate;
wherein the first collection terminal is electrically connected to the jumper electrode connector at the first buffer portion; and
the second collection terminal is electrically connected to the neighbor electrode connector at the first slot.

4. The battery module according to claim 1 , wherein the wire harness plate is arranged between the batteries and the jumper electrode connector;
wherein the wire harness plate comprises a frame and at least one first buckle;
the first buckle is located on a side of the jumper electrode connector away from the batteries; and
the frame is located on a side of the jumper electrode connector close to the batteries, and the frame is configured to support the jumper electrode connector.

5. The battery module according to claim 4 , wherein a first buffer portion in a bent shape is provided on the jumper electrode connector, and the first buckle is provided corresponding to the first buffer portion; and/or
the jumper electrode connector has a second slot on a side away from the batteries, and the first buckle is arranged corresponding to the second slot.

6. The battery module according to claim 4 , wherein a second buffer portion in a bent shape is provided on the neighbor electrode connector, and the second buffer portion is stretchingly deformed or contractingly deformed along the arrangement direction of the batteries under the action of the external force;
the wire harness plate is further arranged between the batteries and the neighbor electrode connector;
the wire harness plate further comprises at least one second buckle and at least one third buckle;
the second buckle is located on a side of the neighbor electrode connector away from the batteries, and the second buckle is provided corresponding to the second buffer portion; and
the third buckle is located on a side of the neighbor electrode connector close to the batteries, and the third buckle is provided corresponding to the second buffer portion.

Assignees

• Calb Co Ltd
• Calb Tech Co Ltd

Inventors

• Du Xiaoyuan
• Cheng Keqiang
• Cao Yong
• Guo Qixin

Classifications

• H01M50/509

  characterised by the type of connection, e.g. mixed connections · CPC title

• H01M50/209

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

• H01M50/531

  Electrode connections inside a battery casing · CPC title

• H01M50/514

  Methods for interconnecting adjacent batteries or cells · CPC title

• H01M50/507

  comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules · CPC title