The key point of the tunnel lighting project is to control the good transition between the tunnel lighting and the natural light outside the tunnel. The tunnel is like a black hole. When entering the darkness of the tunnel from natural light, the driver's vision has a black hole effect. The lighting environment of the road surface must meet certain lighting standards, reduce the impact of the driver's visual lag, and reduce the danger caused by the driver's visual blind spot.
The tunnel lighting project can deal with shading on the road outside the tunnel, so that the natural light transitions smoothly to the tunnel light, which can reduce the brightness of the natural light outside the tunnel entrance, which can adjust the lighting intensity at the tunnel entrance, save lamps and reduce power consumption. Shading can be done in a variety of ways, such as louvered canopies and more trees with larger canopies at the entrance of the tunnel, in order to block the natural light and make the natural light transition smoothly to the tunnel.
There are many factors to be considered in the tunnel lighting project, such as the climate of the four seasons, rainy and snowy days, the temperature difference between morning, middle and evening, etc. The illumination, brightness and intensity of the tunnel entrance should be automatically adjusted according to different weather times to meet the lighting needs. , lighting safety and lighting effects.
The tunnel lighting project also needs to consider emergency lighting, because if there is a problem with the tunnel power supply system, it is quite dangerous for the driver. Tunnels over 200 meters should be equipped with emergency lighting systems and disaster avoidance guidance systems.
Generally speaking, the tunnel lighting project is related to the safety of vehicles and personnel. Only with comprehensive lighting intelligent control, reasonable safety and energy saving, and people-oriented tunnel lighting project can a harmonious and safe transportation network be constructed.