地铁既有线闭路电视系统改造方案

Reconstruction Scheme of Closed-circuit Television System for Existing Subway

闭路电视系统是提高行车指挥透明度和防灾抢险的辅助通信工具,同时也可当遭遇突发事件时为公安部门提供有力证据。为此,对既有地铁八通线专用闭路电视系统进行升级改造,将现有专用闭路电视系统和公安视频监控系统的全部前端接入新的专用、公安合建闭路电视系统,共用一个通信传输网络,建立一套功能完善、技术先进、经济适用的闭路电视系统。

A CCTV system can be used as auxiliary communication tool to improve the transparency of traffic control and disaster prevention and rescue and also provide evidences for the public security depart- ment in tha case of emergencies. To this end, the special closed-circuit television system for the existing subway Batong line will be upgraded and reconstructed, with all the front ends of the existing special closed-circuit television system and public security video surveillance system being connected to the new- ly-built closed-circuit television system of special public security police, enabling sharing a common com- munication network and setting-up a closed-circuit television system of perfect functions, advanced tech- nologies, and good economy.