The invention discloses a double-battery power supply method and system for a commercial vehicle, and relates to the technical field of battery control, the double-battery power supply method for the commercial vehicle comprises the following steps: obtaining the power of a 48V load, a 24V load and a generator and the output current of the generator, and controlling a second switch to act according to the power of the 48V load, the 24V load and the generator and the output current of the generator, according to the electric quantity of the first 24V battery and the electric quantity of the second 24V battery, a first DCDC converter or a second DCDC converter is controlled to act, the electric quantity of the first 24V battery and the electric quantity of the second 24V battery are balanced, and the electric quantity difference between the first 24V battery and the second 24V battery is reduced through adjustment of the first DCDC converter and the second DCDC converter. The electric quantity balance of the first 24V battery and the second 24V battery is effectively ensured, and the battery utilization rate and the battery service life are improved.

    本发明公开了一种商用车的双电池供电方法及系统,涉及电池控制技术领域,所述商用车的双电池供电方法包括获取48V负载、24V负载、发电机的功率及发电机输出电流,根据48V负载、24V负载、发电机的功率及发电机输出电流,控制第二开关动作,根据第一24V电池电量、第二24V电池电量控制第一DCDC变换器或第二DCDC变换器动作,对第一24V电池和第二24V电池的电量进行均衡,通过所述第一DCDC变换器和所述第二DCDC变换器调节以减小第一24V电池与第二24V电池的电量差异,有效保证了第一24V电池与第二24V电池的电量均衡,提高了电池利用率和电池寿命。


    Access

    Download


    Export, share and cite



    Title :

    Double-battery power supply method and system for commercial vehicle


    Additional title:

    一种商用车的双电池供电方法及系统


    Contributors:
    YU YAN (author) / ZHENG CHUNYANG (author) / ZHENG ZHIBING (author)

    Publication date :

    2025-01-14


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    Redundant power supply system of commercial vehicle and commercial vehicle

    XU MENG / LI CHENGYUAN / LI GUOHUI et al. | European Patent Office | 2024

    Free access

    Power supply system of commercial vehicle, charging control method and commercial vehicle

    LEI SHENG / XIONG YANFENG / WANG ZIYE et al. | European Patent Office | 2024

    Free access

    Commercial vehicle power supply management method

    JU HUANZHANG / ZHANG YUN / CHENG ZOU et al. | European Patent Office | 2023

    Free access

    Commercial vehicle composite power supply

    ZHONG XIAOHUA / KANG MING / LIU LIBING et al. | European Patent Office | 2020

    Free access

    Power battery frame for commercial vehicle and commercial vehicle

    MA FUXIN / XIANG XIAOLEI / DING HAO et al. | European Patent Office | 2024

    Free access