Battery protection board for BMS (Battery Management System)

By designing battery protection modules and battery statistics modules in the BMS battery protection board, and using the hardware level to realize battery pack protection and battery statistics, the problem of traditional battery protection boards relying on software intervention is solved, and the efficiency and stability of battery management are improved.

CN119696097AInactive Publication Date: 2025-03-25GUANGZHOU NORTHERN LIGHTS NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202411760183.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional battery protection boards rely highly on software intervention and are susceptible to system crashes, program vulnerabilities or electromagnetic interference, resulting in delays or failures in protection operations, affecting battery life and safety, and increasing system complexity and cost.

Method used

A battery protection board for BMS is designed, including a battery protection module and a battery statistics module, and the overcharging, overdischarge, short circuit and balance control of the battery pack is independently realized at the hardware level, and focuses on the reading and learning of battery information to reduce software intervention.

Benefits of technology

It realizes all-round effective management of the battery pack, improves the accuracy and stability of battery protection, reduces the risks caused by software problems, and adapts to the needs of a variety of complex application scenarios.

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Abstract

The invention relates to the technical field of battery protection, and discloses a battery protection board for a BMS (Battery Management System), the protection board comprises a battery protection module and an electric quantity statistics module, and the battery protection module and the electric quantity statistics module are both connected with a battery pack. According to the invention, the battery protection module is connected with the battery pack, accurate monitoring and protection of overcharge, over-discharge and short circuit conditions of the battery pack are independently realized on the hardware level, balance control is carried out, and basic safety and stable performance of the battery pack can be guaranteed without continuous intervention of complex software; the electric quantity information of the battery pack is read and data is learned through the electric quantity statistics module, based on the hardware architecture and circuit design, the electric quantity statistics error caused by software factors is reduced, the reliability and accuracy of electric quantity statistics are improved, the efficiency and stability of the BMS battery protection board in the aspect of battery management are integrally improved, and the battery management cost is reduced. Risks caused by software problems are reduced, and the method is suitable for various complex application scene requirements.
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