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    • 11. 发明授权
    • Intelligent life testing methods and apparatus for leakage current protection
    • 智能寿命测试方法和设备,用于漏电流保护
    • US07592924B2
    • 2009-09-22
    • US11588048
    • 2006-10-25
    • Feng ZhangHongliang ChenFu WangWusheng ChenYulin ZhangHuaiyin Song
    • Feng ZhangHongliang ChenFu WangWusheng ChenYulin ZhangHuaiyin Song
    • G08B21/00
    • H02H3/335H02H3/021
    • An apparatus for testing the life of a leakage current protection device having a leakage current detection circuit and a trip mechanism having a switch device. In one embodiment, the apparatus a ground fault simulation unit, a fault detector of the leakage current detection circuit and the trip mechanism, and a life testing detection control unit having an MCU for controlling operation of the fault detector. In operation, a first signal (pulse signal) is sent to the gate of the switching device to generate a first voltage at the cathode of the switching device, a second signal is sent to the ground fault simulation unit to generate a simulated ground fault for the leakage current detection circuit to generate a second voltage at the gate of the switching device, and the first and second voltages are measured to determine whether a fault exists in the leakage current detection circuit and the trip mechanism.
    • 一种用于测试具有泄漏电流检测电路的漏电流保护装置的寿命的装置和具有开关装置的跳闸机构。 在一个实施例中,该装置是接地故障模拟单元,泄漏电流检测电路的故障检测器和跳闸机构,以及具有用于控制故障检测器的操作的MCU的寿命测试检测控制单元。 在操作中,第一信号(脉冲信号)被发送到开关装置的栅极,以在开关装置的阴极处产生第一电压,第二信号被发送到接地故障模拟单元以产生模拟接地故障 测量在开关装置的栅极处产生第二电压的漏电流检测电路以及第一和第二电压,以确定泄漏电流检测电路和跳闸机构中是否存在故障。
    • 15. 发明授权
    • Supported slide safety member for a low voltage power connection device
    • 支持低压电源连接装置的滑动安全构件
    • US08562362B2
    • 2013-10-22
    • US13249664
    • 2011-09-30
    • Jianning JiangYulin ZhangFang YuHuaiyin SongBing Liu
    • Jianning JiangYulin ZhangFang YuHuaiyin SongBing Liu
    • H01R13/44
    • H01R13/4534
    • A supported slide safety member. A slide block disposed on the inner side of an upper cover of a socket, includes two inclined surfaces in the same direction disposed on the outer side of the slide block with a slide block window respectively disposed on a lower side of each inclined surface, and a protruding supporting shaft disposed on the inner side of the slide block. A cover plate with two cover windows is disposed on the inner side of the slide block, and the outer side of the cover plate is in contact with the supporting shaft. An elastic component is connected between the slide block and the upper cover. A stop surface is disposed on both the inner side and the outer side of a tail end of the slide block, stopped by and upper stop rib and a lower stop rib.
    • 支撑的滑轨安全构件。 设置在插座的上盖的内侧的滑动块包括设置在滑动块的外侧上的相同方向上的两个倾斜表面,分别设置在每个倾斜表面的下侧上的滑动窗口,以及 设置在滑动块的内侧的突出的支撑轴。 具有两个盖窗的盖板设置在滑动块的内侧,并且盖板的外侧与支撑轴接触。 弹性部件连接在滑块和上盖之间。 止动表面设置在滑动块的尾端的内侧和外侧两侧,由上止动肋和下止动肋阻止。