Test method and system for instantaneous blinding effect of low-angle sunlight at tunnel exit

Abstract

The invention discloses a method and system for testing the instantaneous blinding effect of low-angle sunlight at a tunnel exit. Set the illuminance meter at the height of the personnel's eyes; b. The driver identifies the small target reference objects set on the simulated test road in the selected simulated test tunnel and simulated test road, records relevant data, and adjusts the simulated low-angle daylight system. Illumination parameters; c. Detect the driver's identification under different illumination parameters. The present invention conducts multiple tests by changing a single illumination parameter, quantifies the influence degree of the driver's visual ability caused by the blinding effect, provides theoretical data reference for setting the light adaptation zone at the tunnel entrance, and reduces the traffic accident rate at the exit section of the tunnel.

Description

technical field [0001] The invention relates to the technical field of tunnel traffic safety, in particular to a test method and system for the instantaneous blinding effect of low-angle sunlight at a tunnel exit. Background technique [0002] Tunnels are passages built underground or in mountains for cars to drive, and sometimes also serve as passages for pipelines and pedestrians, especially in hilly areas. Tunnels are more common in Southwest my country, and they are also the key to the connection of many main roads. However, due to the narrow and long characteristics of the tunnel, the interior of the tunnel is relatively dark. It is believed that lights are added for lighting. blinding effect. [0003] As of the end of 2018, there were 17,738 highway tunnels in service across the country, with a total mileage of 17,236,100 meters, an increase of 1,509 and 1,951,000 meters over the previous year. [0004] Because tunnel traffic accidents mostly occur at the entrance and...

AI Technical Summary

Problems solved by technology

When the sun is at a low position (especially in the morning or evening), drivers driving out of an east-west tunnel may be directly blinded by the sun directly shining on their eyes, and cannot obtain information about the driving environment and the vehicle itself (dashboard, etc. ) information, resulting in traffic accidents such as rear-end collision, wall collision, rollover, etc.

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