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在车站闭环电码化电路的改造中,通常的车站是仅有上行和下行自动闭塞正线的车站,设计中一般是将每一条正线设计成可以双方向接发的电码化电路,而这些电路的实现均有定型的电路版本可供参考。但在车站中另有一条半自动闭塞线路与自动闭塞线路共同存在,并同时要进行闭环电码化改造时,此时,半自动闭塞线路又该如何设计呢?下面介绍本人设计过的该类型车站中半自动闭塞线路闭环电码化电路见图1,Ⅰ、Ⅱ股道为自动闭塞正线,Ⅴ股为半自动闭塞正线。
In the station closed-loop coding circuit transformation, the usual station is the uplink and downlink automatically block the main line of the station, the design is generally designed to be each of the positive line can be two-way hair extension of the code circuit, and these circuits There are stereotypes of the circuit version for reference. However, another station in the semi-automatic block line with the automatic block line coexist, and at the same time to carry out closed-loop code-based transformation, at this time, the semi-automatic block line and how to design? Here I designed this type of station semi-automatic Blocked circuit closed-loop code circuit shown in Figure 1, Ⅰ, Ⅱ shares closed automatically for the main line, Ⅴ unit for semi-automatic occlusion positive.