A fuse module, battery pack and vehicle

By eliminating the copper busbar connection between the fuse and the current sensor and adopting a fixed connection and welding method, combined with heat dissipation components, the problems of complex fuse module structure and increased contact resistance were solved, achieving the effects of simplified structure, improved production efficiency and extended service life.

CN122118322APending Publication Date: 2026-05-29BEIJING CHEHEJIA AUTOMOBILE TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING CHEHEJIA AUTOMOBILE TECH CO LTD
Filing Date
2024-11-29
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing fuse modules have complex structures, low production efficiency, and copper busbar connections increase contact resistance, affecting service life.

Method used

The copper busbar connection between the fuse and the current sensor is eliminated. Instead, the first contact is fixedly connected to the current sensor, and the second contact is connected to the conductive busbar and fixed by welding. A heat dissipation component is added to reduce the temperature rise.

Benefits of technology

The structure of the fuse module is simplified, production efficiency is improved, production costs are reduced, space size is reduced, space utilization is improved, contact resistance is reduced, and service life is extended.

✦ Generated by Eureka AI based on patent content.

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    Figure CN122118322A_ABST
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Abstract

The application provides a fuse module, a battery pack and a vehicle. The fuse module comprises a fuse and a current sensor. The fuse comprises a first contact, which is located at an output end of the fuse. The first contact is fixedly connected with the current sensor, and the current sensor measures the current of the first contact. Compared with the prior art, the fuse module of the application cancels the setting of the copper bar required for the electrical connection between the fuse and the current sensor, reduces the number of components of the fuse module, simplifies the connection structure of the fuse and the current sensor, thereby helping to simplify the structure of the fuse module, improve the production efficiency of the fuse module, reduce the production cost, and at the same time, helping to reduce the space size of the fuse module, improve the space utilization of the fuse module in the battery pack, and more facilitate the optimization and improvement of the structure of the battery pack. At the same time, after canceling the copper bar, it helps to reduce the contact resistance and reduce the temperature rise of the first contact.
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