用司辰视觉研究道路照明安全

本文在道路照明的条件下,探讨了瞳孔大小随照明水平和不同光色的变化规律。研究结果表明,当采用富含短波光辐射的金属卤化物灯照明时,会更有利于瞳孔收缩,更有利于聚焦。本文还采用最新发现的人眼中第3种感光细胞的光谱光效率和光效能最大值,计算了在道路照明设计标准中主要的推荐的照明光源———高压钠灯的司辰视觉光通量和发光效率,计算结果表明,它与金属卤化物灯相比,高压钠灯的计算值仅是金属卤化物灯的1/3左右。因此,从司辰视觉的角度看,采用金属卤化物灯作为道路照明的首选光源,不但可以使道路交通更安全,而且还可以使道路照明更节能。

Study on Road Lighting Safety with Citopic

This paper discusses the changing rule of pupil size with the lighting level and different light color under the road lighting level. The result of the study indicates that when metal halide lamp is used in lighting, it make for the pupil shrink, in other word, it can make people focus on the target. This paper also calculates the luminous flex and luminous efficiency of high pressure sodium lamp, which is commended by standard of road lighting as primary lighting source, based on the spectral luminous efficiency function and the value of maximum luminous efficiency of the new discovery, the third cell of human eye, the results indicate that the value of high pressure sodium lamp only is about 1/3 of that of metal halide lamp. Therefore, that taking metal halide lamp as the primary lighting source of road lighting, not only can make road traffic more safety, but also can make road lighting more save energy.