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    • 86. 发明申请
    • EVSE WELDED CONTACTOR DETECTOR
    • EVSE焊接接触器检测器
    • US20150115966A1
    • 2015-04-30
    • US14403570
    • 2013-05-24
    • AeroVironment, Inc.
    • Scott Garret BermanAlbert FlackKeith KolbMing Bai
    • G01R31/02B60L11/18G01R31/00
    • In at least one embodiment, provided is an electric vehicle supply equipment having a line power contactor including a first line power input and a second line power input and a first line power output and a second line power output. It further has a welded contactor detector with a contactor sense circuit, the sense circuit having a first line shunt resistor network connected from the first line power contactor output to ground and a second line shunt resistor network connected from the first line power contactor output to ground. In another embodiment provided is an EVSE including a welded contactor detector with a contactor sense circuit having a bias resistor connected between the hot line relay input and the neutral line relay output.
    • 在至少一个实施例中,提供了具有线路功率接触器的电动车辆供应设备,其包括第一线路功率输入和第二线路功率输入以及第一线路功率输出和第二线路功率输出。 它还具有具有接触器感测电路的焊接接触器检测器,感测电路具有从第一线路功率接触器输出连接到地的第一线路分流电阻网络和从第一线路功率接触器输出连接到地的第二线路分流电阻器网络 。 在另一实施例中,提供了一种EVSE,其包括具有接触器感测电路的焊接式接触器检测器,该接触器检测电路具有连接在热线路继电器输入端和中性线路继电器输出端之间的偏置