Highway tunnel entrance dimming system based on equivalent illumination

Abstract

The invention provides a highway tunnel entrance dimming system based on equivalent illumination. The system comprises a shading shed arranged at a tunnel entrance and an auxiliary photon adjusting system arranged at the tunnel entrance; the shading shed comprises rib beams of arc-shaped structures, a longitudinal beam and a ceiling, wherein the rib beams are arranged perpendicularly to the extending direction of a tunnel in the length direction, and the longitudinal beam is parallel to the extending direction of the tunnel; the shading shed is divided into N sections from the position away from the tunnel entrance to the position close to the tunnel entrance, the spacing between every two adjacent rib beams in the same section is equal, and the spacing between every two corresponding ribbeams in different sections is gradually reduced from the end away from the tunnel entrance to the end close to the tunnel entrance; the auxiliary photon adjusting system comprises a lighting device arranged on the outer top of the shading shed, a light scattering device arranged on a transition section of the tunnel, a detection unit used for detecting the parameters of the tunnel and a controller unit. By means of the structure above, in combination with the structural characteristics of the shading shed, external illumination conditions and other factors, the light condition of the shadingshed at the tunnel entrance can be effectively adjusted to effectively ensure the driving safety.

Description

technical field [0001] The invention relates to a traffic lighting system, in particular to a highway tunnel opening light adjustment system based on equivalent lighting. Background technique [0002] In road traffic, tunnel is a common and extremely important traffic facility, and the lighting of tunnel seriously affects the safety of road traffic. [0003] The entrance of the tunnel (including the exit and entrance of the tunnel) is the junction of the dark space inside the tunnel and the bright space outside. Due to the large brightness difference between the inside and outside of the tunnel, there is a huge gap when the driver enters or exits the tunnel. In the daytime, there is a black hole effect when entering the hole and a white hole effect when leaving the hole. At night, there is a white hole effect when entering the hole and a black hole effect when leaving the hole, and there is a lag in human adaptation. , therefore, the lighting at the tunnel entrance seriousl...

AI Technical Summary

Problems solved by technology

[0003] The entrance of the tunnel (including the exit and entrance of the tunnel) is the junction of the dark space inside the tunnel and the bright space outside. Due to the large brightness difference between the inside and outside of the tunnel, there is a huge gap when the driver enters or exits the tunnel. In the daytime, there is a black hole effect when entering the hole and a white hole effect when leaving the hole. At night, there is a white hole effect when entering the hole and a black hole effect when leaving the hole, and there is a lag in human adaptation. , therefore, the lighting at the tunnel entrance seriously affects driving safety

[0004] In the prior art, in order to help the driver adapt well to the sudden change of light and shade, a sunshade is set at the entrance of the tunnel to adjust the light. However, in the prior art, when setting the sunshade, it does not take into account visual impact, thus still affecting driving safety

Images