The invention discloses a battery pack parallel bidirectional current-limiting driving circuit, which comprises a battery management circuit and a current control circuit configured for each battery pack, the battery management circuit is connected in a current path of the battery pack and the load; the current control circuit comprises a control circuit, a voltage sampling circuit and a current limiting circuit; the current limiting circuit comprises a first interface and a second interface, a current limiting assembly is arranged between the first interface and the second interface, and the current limiting assembly is used for limiting the magnitude of current flowing through the first interface and the second interface; the control circuit is connected with the voltage sampling circuit and the current limiting assembly and used for controlling the working state of the current limiting assembly according to feedback of the voltage sampling circuit. The battery management circuit is used for collecting battery circulation of the circuit. Through the driving circuit, the charging or discharging current of the high-voltage battery pack can be adjusted, and the current flowing through the battery pack can be adjusted in real time according to the voltage difference value between the battery packs, so that the working performance and the safety performance of the parallel battery pack are effectively improved.

    本发明公开一种电池组并联双向限流驱动电路,其包括为每一电池组配置的电池管理电路和电流控制电路;电池管理电路连接在电池组与负载的电流通路中;电流控制电路包括控制电路、电压采样电路以及限流电路;限流电路包括第一接口、第二接口,第一接口和第二接口之间设置有限流组件,限流组件用于限制流过第一接口和第二接口的电流的大小;控制电路与电压采样电路和限流组件连接,用于根据电压采样电路的反馈控制限流组件的工作状态;电池管理电路用于采集其所在线路的电池环流。通过上述驱动电路,既可调整高电压的电池组的充电或放电电流的大小,又可根据电池组间的压差值实时调整流经电池组的电流,从而有效提升并联电池组的工作性能和安全性能。


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    Titel :

    Battery pack parallel bidirectional current-limiting drive circuit


    Weitere Titelangaben:

    电池组并联双向限流驱动电路


    Beteiligte:
    LI TIANFU (Autor:in)

    Erscheinungsdatum :

    2023-08-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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