Battery charging and discharging management system

By designing a battery charge and discharge management system integrating MCU, voltage and current detection circuit and MPPT control circuit, the existing system's low charging efficiency and single protection method are solved, efficient clean energy charging and multi-adapter support are achieved, and the system's safety and reliability are improved.

CN222673949UActive Publication Date: 2025-03-25ANHUI ZHONGKE ZHONGHUAN INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202421151121.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-03-25
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing battery charging and discharging management system has a long charging time and low charging efficiency. It does not support clean energy access and multiple adaptation of adapter power. It has a single protection method and is low in safety and reliability.

Method used

A battery charge and discharge management system is designed, using components such as MCU, voltage and current detection circuit, protection circuit, MPPT control circuit, etc. to realize maximum power point tracking charging, support clean energy and multiple adapter power supplies, and perform cycle-by-cycle detection and multiple protection.

Benefits of technology

Improves charging efficiency, supports clean energy and multiple adapter power supplies, and enhances the safety, reliability and service life of the system.

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Abstract

The utility model discloses a battery charging and discharging management system comprising a charging device which is provided with an input terminal and an output terminal. An input protection circuit, a first voltage and current detection circuit, a voltage reduction input circuit, a charging voltage control circuit, a charging MOS switch, a battery, a discharging MOS switch, a second voltage and current detection circuit and an output protection circuit which are electrically connected with the input terminal in sequence are arranged in the charging device; the output protection circuit is electrically connected with the output terminal; the first voltage and current detection circuit is further sequentially connected with an amplifying circuit, an MCU, an MPPT control circuit, a charging management circuit and a driving circuit, the driving circuit and the voltage reduction input circuit are electrically connected with the cycle-by-cycle overcurrent protection circuit, and the charging voltage control circuit, the charging MOS switch, the battery, the discharging MOS switch and the second voltage and current detection circuit are electrically connected with the MCU. According to the utility model, the working efficiency and the safety, reliability and effectiveness of the circuit are greatly improved.
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