目前,沈阳电务段管内铁路区间自动闭塞通过信号机因发生故障而导致灭灯时,还没有报警装置,只有列车运行到故障信号机前方,才能发现信号机灭灯状态,这时再告诉车站运转值班人员及电务人员,不能及时发现、及时处理,形成被动,大大延长了处理故障时间。沈阳电务段曾十几次发生此类 At present, the Shenyang Railway section of the automatic blockage of traffic within the tube through the signal due to failure led to the lights, there is no alarm device, only the train running to the front of the fault signal in order to find the signal light state, then tell the station On duty staff and electrical staff, can not be found in a timely manner, the formation of passive, greatly extending the processing time to failure. Shenyang electricity has occurred more than a dozen times this class