计算机联锁的主要功能是实现轨旁信号设备的状态信息采集与安全联锁控制。结合西安地铁2号线,阐述基于无线通信移动闭塞制式的正线计算机联锁子系统的设备组成、功能实现、工作原理、软件类型和接口连接设计技术方案,为城市轨道交通信号控制系统的研究提供软硬平台。 The main function of the computer interlocking is to realize the status information acquisition and safety interlock control of trackside signal equipment. Combined with Xi’an Metro Line 2, this paper describes the equipment composition, function realization, working principle, software type and interface connection design technology of the mainline interlocking subsystem based on the mobile communication system of wireless communication, which is the research of urban rail transit signal control system Provide hardware and software platform.