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    • 1. 发明申请
    • Energy source monitoring and control system for power tools
    • 电动工具能源监控系统
    • US20080059089A1
    • 2008-03-06
    • US11517951
    • 2006-09-06
    • George Michael HornickPhilip F. MinalgaDaniel Soultanian
    • George Michael HornickPhilip F. MinalgaDaniel Soultanian
    • G01R31/36H02J7/00
    • H02J7/0063H02J7/0031
    • An energy source monitoring system evaluates the state of an energy source and responsively controls a power tool or other device. The energy source may be, for example, a power tool battery pack that includes multiple individual battery packs connected in series. The energy source monitoring system may be incorporated into a power tool, screwdriver, flashlight, audio and/or video player, or any other device. The energy source monitoring system intelligently exercises control over the power applied to the device (e.g., to the motor in the device). In one implementation, the energy source monitoring system detects when voltages in the energy source have fallen below a cutoff level, yet allows the device to continue running until the operator finishes the current device operation (e.g. a miter saw cut, or playback of a song).
    • 能量源监测系统评估能源的状态并响应于控制电动工具或其他装置。 能量源可以是例如包括串联连接的多个单独电池组的电动工具电池组。 能量源监视系统可以并入电动工具,螺丝刀,手电筒,音频和/或视频播放器或任何其他设备中。 能量源监控系统智能地对施加到设备(例如,到设备中的电动机)的功率进行控制。 在一个实施方案中,能量源监测系统检测能量源中的电压何时已经下降到截止水平以下,但是允许设备继续运行,直到操作者完成当前的设备操作(例如,切割锯片或播放歌曲 )。