站内正线电码化电路的改进  

Improvement of Main Line Coded Track Circuit Within Station

作　　者：相永国[1] 

机构地区：[1]兰州铁路局电务处

出　　处：《铁道通信信号》2010年第9期38-40,共3页Railway Signalling & Communication

摘　　要：分析了陇海线天兰段站内正线电码化电路,指出了预叠加电路存在的设计缺陷,提出了电路修改方案,例举了具体改进电路,并叙述了电路改进之后达到的效果。This paper analyzes the coded track circuit of main lines within the section between Tianshui station and Lanzhou station on the Longhai railway and points out existing design deficits in pre-overlapping circuit.Furthermore,this paper gives an improved scheme of the circuit together with specific improved circuit and describes the effect after improvement.

关 键 词：电码化 预叠加 电路 改进 

分 类 号：U284.2[交通运输工程—交通信息工程及控制]