移动闭塞下车地通信丢失后的信号防护规则简析

Analysis of Signal Protection Rules after the Loss of Communication in Moving Block Condition

针对上海地铁多条线路采用的基于无线通信的Seltrac S40移动闭塞信号设备,分析了车地通信丢失后对运营的影响。阐述三种不同情况下信号系统采取的应对措施及相应的防护规则,提供了基于无线通信的列车控制信号系统中一种典型故障的技术解决方案。

Aimed at the wireless communication based on Seltrac S40 CBTC moving block signal equipment of Shanghai rail transit,the influence on operation after the loss of communication between train and zone control is analyzed.The measures to be taken and the corresponding protection rules in three circumstances of signal system fault are described,so as to provide a typical technology solution to CBTC signal system faults.