With China's transportation industry increasingly developed, more and more road tunnels in op-eration, the contradiction between security and operational cost of which is also a growing concern, how to ensure the safety of the premise of the tunnel operators to reduce as much as possible operating costs be-come an urgent problem.From the tunnel lighting energy security perspective, we propose a change in the lighting segment length of tunnel lighting control system based on vehicle speed, to meet the lighting quali-ty at the same tunnel"on-demand lighting."The system is divided into four vehicle speed zones (50km/h or less, 50~70km/h, 70~90km/h, 90km/h or more), different for each speed segment design light-ing segment length;through inductive loop detectors into the tunnel of the vehicle speed as the control input parameters to control the respective sections for lighting.%随着我国交通运输业日益发达,越来越多的公路隧道投入运营,其安全性和运营成本之间的矛盾也越来越受到关注,如何在保证隧道运营安全的前提下,尽可能的降低运营成本成为亟待解决的难题.本文从隧道照明安全节能的角度出发,提出一种根据车速改变加强照明区段长度的隧道照明控制系统,满足照明质量的同时进行隧道的"按需照明".系统将车速信息分为50 km/h以下、50~70 km/h、70~90 km/h、90 km/h以上四个速度区段,每个速度区段设计不同的加强照明区段长度;通过电感式线圈检测进入隧道的车辆速度作为控制输入参数,控制相应区段进行照明.
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