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在京广线邯郸—柏庄间安装的不对称脉冲自动闭塞和机车信号已运用了五年多,它是由北京铁路局、北方交通大学和西安信号工厂研究所等单位共同研制成功的。这种自动闭塞的轨道电路,在钢轨上传输信息,可以直接被机车感应线圈接收。机车信号的显示,区间为四显示,进站为六显示,同时可以装设自动停车装置。能与电气集中、调度集中、列车自动控制、区间电码化等设备结合使用。不对称脉冲自动闭塞的地面设备,由不对称脉冲发送器、接收器、轨道电路、信号机、故障警报电路等设备组成,区间设备工作原理见图1。
Asymmetric impulse automatic blockage and locomotive signals installed in the Beijing-Guangzhou line Handan-Baizhuang have been used for more than five years. They were jointly developed by Beijing Railway Administration, North Jiaotong University and Xi’an Signal Factory Research Institute. This automatically block the track circuit, the rail transmission of information, can be directly received by locomotive induction coil. Locomotive signal display, the interval of four displays, pit stops for the six shows, at the same time can be equipped with automatic parking device. With electrical concentration, scheduling, automatic train control, range of code and other equipment used in combination. Asymmetrical pulse automatically block the ground equipment, asymmetric pulse transmitter, receiver, track circuit, signal, fault alarm circuit and other equipment, the working principle of interval equipment shown in Figure 1.