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    • 4. 发明授权
    • Method for diagnosing the operation of a device for cutting off and connecting a battery from/to the onboard power network of a motor vehicle
    • 用于诊断用于切断和连接来自机动车辆的车载电力网络的电池的设备的操作的方法
    • US08688317B2
    • 2014-04-01
    • US13386742
    • 2010-06-04
    • Daniel BoironMasato Origuchi
    • Daniel BoironMasato Origuchi
    • G01R31/327
    • G01R31/3278G01R31/006
    • A method for diagnosing operating condition of a device for cutting off and connecting a high-voltage bipolar battery from/to a bipolar onboard power network of a motor vehicle. The device includes a first power relay between a first terminal of the battery and a first terminal of the network, a second power relay between a second terminal of the battery and a second terminal of the network, and a serial arrangement of a third precharge relay and a precharge resistor, connected in parallel to the first power relay. The method: measures two voltages of the cutoff/connection device; compares the measured voltages with predetermined voltage values representing faults of the cutoff/connection device; and diagnoses a fault of a relay used on the result of the comparison.
    • 一种用于诊断用于切断并连接来自机动车辆的双极车载电力网络的高压双极型电池的装置的工作状况的方法。 该装置包括在电池的第一端子和网络的第一端子之间的第一电力继电器,电池的第二端子和网络的第二端子之间的第二电力继电器以及第三预充电继电器的串联装置 以及与第一功率继电器并联连接的预充电电阻。 方法:测量截止/连接装置的两个电压; 将测量的电压与表示截止/连接装置的故障的预定电压值进行比较; 并对比较结果中使用的继电器故障进行诊断。