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    • 11. 发明申请
    • POWER SUPPLY DEVICE
    • 电源设备
    • US20130063095A1
    • 2013-03-14
    • US13560108
    • 2012-07-27
    • Kazunori WATANABEKoji ASAKAWA
    • Kazunori WATANABEKoji ASAKAWA
    • H02J7/00
    • H02J7/0078H02J7/0081H02J7/044H02J7/045
    • Provided is a power supply device integrally combined with an electrical device body including a motor, comprising a rechargeable battery for supplying power to the motor, a microcomputer for detecting a residual capacity and a battery voltage of the battery, and a switching element provided between the battery and the microcomputer. The microcomputer stops charging the battery when the detected residual capacity has become 100%, and when the detected value of the battery voltage has become lower than a peak value after the value of the battery voltage passes the peak value, making it possible to prevent overcharging of the battery. The microcomputer also controls to turn off the switching element to stop the power supply from the battery to the microcomputer when the residual capacity becomes less than a predetermined threshold value, making it possible to reduce power consumption.
    • 提供了一种与包括电动机的电气设备主体整体组合的电源装置,包括用于向电动机供电的可再充电电池,用于检测电池的剩余容量和电池电压的微型计算机,以及设置在电动机之间的开关元件 电池和微电脑。 当检测到的剩余容量变为100%时,微型计算机停止对电池充电,并且当电池电压的检测值变得低于电池电压值通过峰值后的峰值时,可以防止过充电 的电池。 当剩余容量小于预定阈值时,微型计算机还控制关闭开关元件以停止从电池向微型计算机供电,从而可以降低功耗。