Software-implemented overcurrent protection embedded in a battery pack
    9.
    发明申请
    Software-implemented overcurrent protection embedded in a battery pack 审中-公开
    软件实现的过电流保护嵌入电池组

    公开(公告)号:US20080304199A1

    公开(公告)日:2008-12-11

    申请号:US12157146

    申请日:2008-06-06

    IPC分类号: H02H7/18

    摘要: An overcurrent protection mechanism is provided for a battery pack that removably attaches to a power tool. The mechanism includes: one or more battery cells disposed in a battery pack; a current sensor configured to sense current supplied by the battery; a switch in a circuit path with the battery cells; and a battery control unit implemented as software instructions in a controller embedded in a battery pack. The battery control unit is configured to receive a signal indicative of current from the current sensor and control the switch to interrupt current flow from the battery cells as a function of current and time.

    摘要翻译: 为可拆卸地附接到电动工具的电池组提供过电流保护机构。 该机构包括:设置在电池组中的一个或多个电池单元; 电流传感器,被配置为感测由电池提供的电流; 与电池单元的电路路径中的开关; 以及在嵌入电池组中的控制器中作为软件指令实现的电池控制单元。 电池控制单元被配置为接收来自电流传感器的指示电流的信号,并且控制开关以中断来自电池单元的电流作为当前和时间的函数。