The invention relates to a rear-end wiring line fault detection device which comprises a sampling circuit and a fault processing circuit. The sampling circuit is connected with a monitored line, converts a voltage signal of the line to be monitored into a corresponding high-low level signal with small amplitude, and sends the high-low level signal to the fault processing circuit; the fault processing circuit comprises a fault judgment circuit, or further comprises a starting signal processing circuit, or further comprises a short-circuit signal processing circuit. When a monitored line is disconnected, the fault processing circuit can output a corresponding fault signal according to a signal sent by the sampling circuit. According to the invention, ports are respectively connected with a line to be monitored and a common potential point of the line in parallel; the parallel connection mode is that a wire is led from a corresponding port to a monitored line electrical point, and the connection position is located at the rear end of the line.

    本发明为后端接线检测线路故障装置,包含有取样电路,故障处理电路;该取样电路与所监控线路相连,其把所要监控的线路电压信号变换为小幅值的相应高低电平信号,送到该故障处理电路;该故障处理电路包含有故障判断电路,或还包含有启动信号处理电路,或还包含有短接信号处理电路;当所监控的线路发生断开时,该故障处理电路能够根据该取样电路送来的信号,输出相应故障信号;本发明有端口与所需监控的线路及该线路的公共电位点分别相连,是并联连接;该并联方式为从本发明的相应端口上引线到所监控的路线电气点上,其连接位置是位于该线路的后端。


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    Title :

    Rear-end wiring line fault detection device


    Additional title:

    后端接线检测线路故障装置


    Contributors:

    Publication date :

    2024-10-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B66B Aufzüge , ELEVATORS



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