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    • 7. 发明申请
    • METHOD AND APPARATUS FOR MANAGING MULTIPLE BATTERY PACKS IN A HYBRID OR ELECTRIC VEHICLE
    • 用于在混合电动车辆中管理多个电池组的方法和装置
    • US20120083948A1
    • 2012-04-05
    • US12895914
    • 2010-10-01
    • Edward D. Tate, JR.Alan G. Holmes
    • Edward D. Tate, JR.Alan G. Holmes
    • B60L15/20H02J7/00
    • B60L11/1861B60L11/1866H02J7/0013Y02T10/7005Y02T10/7044Y02T10/7055Y02T10/7061Y02T10/7258
    • A vehicle includes first and second battery packs having respective first and second banks of contactors. The packs are wired in electrical parallel. A propulsion system is driven using electrical power from the packs. A controller determines which pack has the highest state of charge (SOC), and balances the SOC of the packs by controlling an open/closed state of the contactors. Contactors open to disconnect the pack having the highest SOC, and close again when a voltage difference between the packs is approximately zero. A system for use in the vehicle includes the packs, contactors, and controller. A method for controlling power flow in the vehicle includes determining which pack has the highest SOC, opening designated contactors during a near zero current event to disconnect the battery pack having the highest SOC, and closing the designated contactors when a voltage difference between the packs is approximately zero.
    • 车辆包括具有相应的第一和第二组接触器的第一和第二电池组。 电源线并联电缆。 使用来自包装的电力驱动推进系统。 控制器确定哪个包具有最高的充电状态(SOC),并且通过控制接触器的打开/关闭状态来平衡包的SOC。 接触器打开以断开具有最高SOC的包,并且当包装之间的电压差近似为零时再次闭合。 用于车辆的系统包括包装,接触器和控制器。 用于控制车辆中的动力流量的方法包括确定哪个包具有最高的SOC,在接近零电流事件期间打开指定接触器以断开具有最高SOC的电池组,并且当包装之间的电压差为 大约为零。