我段机车电工在处理东风型内燃机车电气故障中,都有这样的感觉:用万用表或摇表拆线找故障时,携带不方便,而且还需要两个人一起才能工作;在夜间作业,更感到不方便;用试灯找故障,距离又受限制。那么能不能用其他仪器检查机车电气设备有无接地、断线、虚接等故障呢?我段机车电工范荣华同志几年来在领导的支持下、在工人师傅和技术人员的热心协助下,经过反复地实验和摸索,证明用试电笔检查机车电气故障是可以的。在使用中,除了负端接地要拆部分线外,其它故障,如断线、虚接或正端(负载之前,按钮之后)接地,只要几分钟或十几分钟 I paragraph locomotive electrician in dealing with the electrical failure of Dongfeng diesel locomotive, have the feeling: with a multimeter or shake table stitching find fault, inconvenient to carry, but also need two people to work together; work at night, even more feel Inconvenient; use test lights to find fault, the distance is limited. So can we use other equipment to check the locomotive electrical equipment grounding, disconnection, virtual connection and other faults? I Fan motor sector section fan comrades over the past few years with the leadership of the support, the workers and technical staff of the enthusiastic assistance, through Repeated experiments and exploration proved that the use of test pencil to check the locomotive electrical fault is possible. In use, in addition to the negative side of the ground to be demolished part of the line, other faults, such as disconnection, virtual connection or positive side (before the load, after the button) to ground, as long as a few minutes or ten minutes