The invention relates to a battery system, a control method thereof and a battery pack. The battery system comprises a first power supply end, a second power supply end, a first battery pack, a second battery pack, a first switch unit, a second switch unit, a power conversion unit and a control unit, the first end of the first battery pack is connected with a first power supply end through the first switch unit, the second end of the first battery pack is connected with the first power supply end through the second switch unit after being connected with the first end of the second battery pack, and the second end of the second battery pack is connected with a second power supply end; the first switch unit and the second switch unit are respectively connected with the control unit and are used for receiving the control level output by the control unit so as to switch on one of the first switch unit and the second switch unit; the power conversion unit is connected with the first battery pack, the second battery pack and the control unit and used for receiving the control level output by the control unit to achieve energy transfer between the second battery pack and the first battery pack. The system can be compatible with a plurality of different voltage platforms, so that the whole system can meet more working scenes.

    本发明涉及一种电池系统及其控制方法、电池包。该电池系统包括:第一和第二电源端、第一和第二电池组、第一和第二开关单元、电源转换单元和控制单元;第一电池组的第一端经第一开关单元连接第一电源端,第一电池组的第二端与第二电池组的第一端连接后经第二开关单元连接第一电源端,第二电池组的第二端连接第二电源端;第一和第二开关单元分别连接控制单元,用于接收控制单元输出的控制电平以切换第一和第二开关单元中的一个导通;电源转换单元连接第一电池组、第二电池组和控制单元,用于接收控制单元输出的控制电平以实现第二电池组与第一电池组之间的能量转移。实施本发明能够兼容多个不同电压平台,以使得整个系统满足更多的工作场景。


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    Title :

    Battery system, control method thereof and battery pack


    Additional title:

    一种电池系统及其控制方法、电池包


    Contributors:
    TANG SENQUN (author) / WANG JINGDE (author) / JIN ZUSHENG (author) / LI HUITENG (author)

    Publication date :

    2025-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / 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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