用视觉功效法探究适用于道路照明的新型光源

A Research of New Light Source for Road Lighting Based on Vision Function Method

摘要:

应用视觉功效法,采用自行研制的“道路照明反应时间测定仪”,分别对高压钠灯(HPS)、发光二极管(LED)及电磁感应灯(LVD)三种光源进行了中间视觉下的反应时间和间接的光谱能量分布实测.并根据实测结果，计算出LED和LVD对HPS的亮度对比系数、相对光效及折算光效，由此得出了LED照明安全及节能效果优于HPS和LVD的结论.对光谱能量分布实测结果进行了分析,指出了三种光源光谱特性的内在关系及异同点,为进一步的理论研究提供了实验依据.

Abstract:

Based on the vision function method and a self developed road lighting reaction time equipment, a comparative study is made of the reaction time of mesopic vision and indirect spectrum energy spreading of three light sources (HPS, LED and LVD). With the collected data,the luminance contrast factors, relative light efficiency and calculated light efficiency of LED, LVD and HPS are obtained.A conclusion is drawn that the lighting safety and energy saving efficiency of LED is much better than those of HPS and LVD. An analysis of the data of spectral energy spreading of three light sources reveals the internal relationship of these three light sources and their similarities and differences, which contributes to further researches.