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    • 10. 发明申请
    • Oral Care Implement With Mechanical Energy Harvesting
    • 口腔护理实施与机械能量收获
    • US20090320225A1
    • 2009-12-31
    • US12146090
    • 2008-06-25
    • Donghui WuSharon KennedyJohn P. RouseJohn Gatzemeyer
    • Donghui WuSharon KennedyJohn P. RouseJohn Gatzemeyer
    • A46B9/04A46B13/08A46B15/00H01L41/113
    • A46B15/0055A46B13/02A46B2200/1066H01L41/1134
    • A mechanical energy harvesting toothbrush may employ circuits and devices to convert mechanical energy into electrical energy. Such conversion can be done using piezoelectric devices to convert stresses and strains from bending of the toothbrush head and/or bristles during use, and can be done using electromagnetic generators involving passing a magnet through a coil to induce current. The resulting electric energy may be rectified, and stored in a storage device, such as a capacitor or rechargeable battery. A switching circuit may be configured to detect the level of energy stored in the storage device, and to close an electrical connection when a predetermined level of energy (e.g., a charge) has been reached. The predetermined level may correspond to a desired amount of brushing (e.g., taking into account stroke length and force, and the number of strokes), and the closing of the electrical connection may be used to power output devices when that desired amount of brushing has been reached.
    • 机械能量收集牙刷可以采用电路和装置将机械能转换为电能。 这样的转换可以使用压电装置来实现,以在使用期间将应力和应变转换成牙刷头和/或刷毛的弯曲,并且可以使用涉及使磁体通过线圈使电流感应电流的电磁发生器来完成。 所得到的电能可以被整流,并存储在诸如电容器或可充电电池的存储装置中。 切换电路可以被配置为检测存储在存储装置中的能量的水平,并且当达到预定的能量水平(例如,电荷)时闭合电连接。 预定水平可以对应于所需的刷牙量(例如,考虑行程长度和力以及行程数),并且当所需的刷涂量具有 已经到达