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    • 3. 发明公开
    • 누전 검지 장치
    • 电气泄漏检测装置
    • KR1020120094431A
    • 2012-08-24
    • KR1020120014075
    • 2012-02-13
    • 오므론 오토모티브 일렉트로닉스 가부시키가이샤
    • 나루세히데아키미야모토사토루후지이마사키코다이라카즈시이쿠시마요시히로
    • G01R31/02G01R19/165
    • G01R31/025B60L3/0069
    • PURPOSE: A leakage detecting apparatus is provided to rapidly detect leakage of DC power and to shorten an interval of pulse when the voltage of a coupling condenser is lower than a second threshold. CONSTITUTION: A pulse generator(2) supplies a pulse to a coupling condenser(C1). A voltage detector(6) detects voltage of the coupling condenser. A leakage determining unit(7) compares the detection voltage of the voltage detector with a first threshold. The leakage determining unit determines the leakage of DC power(B) based on a comparison result. A discharge determining unit(8) compares the detection voltage of the voltage detector with a second threshold which is lower than the first threshold. The discharge determining unit determines whether the detection voltage is lower than the second threshold by the discharge of the coupling condenser or not. The pulse generator increases a new pulse when it is adjudged that the detection voltage was lower than the second threshold.
    • 目的:提供一种泄漏检测装置,用于在耦合电容器的电压低于第二阈值时快速检测直流电力的泄漏并缩短脉冲间隔。 构成:脉冲发生器(2)向耦合电容器(C1)提供脉冲。 电压检测器(6)检测耦合电容器的电压。 泄漏确定单元(7)将电压检测器的检测电压与第一阈值进行比较。 泄漏确定单元基于比较结果来确定直流电力(B)的泄漏。 放电确定单元(8)将电压检测器的检测电压与低于第一阈值的第二阈值进行比较。 放电确定单元通过耦合冷凝器的放电来确定检测电压是否低于第二阈值。 当判定检测电压低于第二阈值时,脉冲发生器会增加新的脉冲。