The invention provides a power supply voltage conversion system. The power supply voltage conversion system comprises a first battery module, a second battery module, a change-over switch combination unit, a charging interface, a motor and a battery manager, the positive electrode end of the charging interface and the positive electrode end of the motor are connected with a first node of the change-over switch combination unit, the negative electrode end of the charging interface and the negative electrode end of the motor are connected with a second node of the change-over switch combination unit, and the positive electrode end of the first battery module is connected with a third node of the change-over switch combination unit. The negative electrode end of the first battery module is connected with a fourth node of the change-over switch combination unit, the positive electrode end of the second battery module is connected with a fifth node of the change-over switch combination unit, the negative electrode end of the second battery module is connected with a sixth node of the change-over switch combination unit, and the rated voltage of the first battery module is equal to that of the second battery module. And the battery manager is connected with the change-over switch combination unit. According to the system provided by the invention, the increase of the hardware cost of the motor is avoided.

    本发明提供一种电源电压转换系统,包括:第一电池模块、第二电池模块、切换开关组合单元、充电接口、电机和电池管理器;充电接口的正极端、电机的正极端和切换开关组合单元的第一节点连接,充电接口的负极端、电机的负极端和切换开关组合单元的第二节点连接,第一电池模块的正极端和切换开关组合单元的第三节点连接,第一电池模块的负极端和切换开关组合单元的第四节点连接,第二电池模块的正极端和切换开关组合单元的第五节点连接,第二电池模块的负极端和切换开关组合单元的第六节点连接,第一电池模块和第二电池模块的额定电压相等,电池管理器与切换开关组合单元连接。本发明提供的系统,避免了电机硬件成本的提高。


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    Title :

    Power supply voltage conversion system and method, storage medium and battery manager


    Additional title:

    电源电压转换系统、方法、存储介质和电池管理器


    Contributors:
    GONG YU (author) / ZHANG WEI (author) / ZOUCHENG (author) / LIU JIAWEI (author) / LUO YUAN (author)

    Publication date :

    2024-10-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / 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



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