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随着电子技术、通信、计算机技术的高速发展,公路交通逐渐走向信息化和智能化的程度,具有可仿真、易拓展、易维护的计算机监控系统成为隧道监控的主要软件平台,与硬件通信系统整合后共同推动着隧道监控系统智能化程度的发展。隧道按长度分为短、中、长隧道,中长隧道(>250m及>1km)要考虑的监控设施会较多,监控点也较多。中长隧道按国家设计标准必须配套监控系统保证隧道内行车安全和通畅。
隧道子系统主要包括:照明、通风、交通诱导、CCTV、消防报警、电话广播、LED系统等。主要涉及到硬件有PLC控制器(监控通风、照明、交通灯等)、车检器、亮度仪、风速/风向仪、CO/VI检测仪、火灾报警器、LED屏、紧急电话、CCTV系统。
从计算机的数据采集方式上主要分为:PLC监控、CCTV监控、电话/消防/广播、LED系统及紧急预案系统,目前的隧道监控系统对组态软件平台最重要的指标是必须支持C/S架构、ODBC快速接口、OLE接口访问、SDK开发包及WEB发布等,上述指标在隧道行业的特点十分明显,也是解决数据通讯及采集的较有效方式,适合于交通紧急预案分析系统的数据整合。
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