站内正线电码化电路的改进

Improvement of Main Line Coded Track Circuit Within Station

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.