The invention discloses a dynamically reconfigurable battery pack, and relates to the technical field of batteries. The dynamically reconfigurable battery pack comprises a battery compartment; the battery compartment is internally provided with a main control board and a battery pack circuit formed by connecting a plurality of batteries with the voltage of D volts in series; the main control board is provided with a voltage detection unit for detecting the voltage of each battery, a current detection unit for detecting the current of each battery, and a calculation unit for calculating a voltage change rate, an electric quantity change rate and an electric quantity according to the voltage and the current of the battery; each battery is coupled and connected with a PWM regulating circuit for regulating the duty ratio according to the voltage change rate and the electric quantity change rate; the battery pack circuit consists of M normal battery circuit units and N standby battery circuit units; the charging voltage of the battery pack is D * M; the PWM regulating circuit regulates the duty ratio according to the voltage change rate and the electric quantity change rate of the corresponding battery, and the charging duration of the battery is controlled according to the duty ratio, so that overcharging of the battery is effectively avoided.

    本发明公开了一种可动态重构的电池组,涉及电池技术领域,包括电池仓,所述电池仓内设有主控板和多节电压为D伏的电池串联而成的电池组电路,所述主控板上设有检测每节电池电压的电压检测单元、每节电池电流的电流检测单元以及根据电池电压和电流计算电压变化率、电量变化率和电量的计算单元,每节电池均耦合连接有根据电压变化率和电量变化率调整占空比的PWM调节电路,所述电池组电路由M节正常电池电路单元和N节备用电池电路单元构成,电池组的充电电压为D*M,PWM调节电路根据电池的电压变化率和电量变化率调整占空比,根据占空比控制电池的充电时长,有效避免电池过充。


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    Title :

    Dynamically reconfigurable battery pack and charging method thereof


    Additional title:

    一种可动态重构的电池组及其充电方法


    Contributors:
    LI RENXIN (author) / LIU HAO (author) / DENG YUNQING (author) / DENG QINGSONG (author)

    Publication date :

    2021-11-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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