摘要
该文介绍了一种根据视觉功效法自行研制的道路和隧道照明视觉功效测量系统。该系统可同时采用正对比或负对比的测量方式,即与实际的视觉作业环境相结合,用不同光源形成道路或隧道下的光照环境,用变化的目标光斑和灰色视标,模拟夜间道路中可能出现的障碍物,并通过电子快门记录下受测人员确认光斑或灰色视标的反应时间,并利用眼动仪同时测取人眼的瞳孔变化,由此评价不同光源色温对视觉功效的影响程度。系统还可模拟隧道入口及出口段的黑洞或白洞效应现象,以瞳孔和反应时间测量结果来探究适合于隧道入口及出口段的亮度取值。文中对系统的构造、工作原理、实验及数据处理方法、应用结果等进行了分析和讨论。事实证明,该系统为研究光源色温在道路或隧道照明工程中的合理应用提供了有效的实验条件,并对我国道路和隧道照明工程的实施具有重要的应用价值。
This paper introduces a self-developed measurement system of lighting visual function in the road and tunnel based on visual function method. This system can simultaneously adopt positive contrast or nega- tive contrast measurement. Combined with the actual visual environment and simulating the lighting environ- ment and possible obstacles in the road and tunnel, it can evaluate the influence degree on visual function un- der the different color temperature of light source by recording the reaction time and measuring the pupil changes of human eye. This system also can simulate the black or the white hole effect to research the lumi- nance value suitable for tunnel entrance and exit section based on the pupil and reaction time measurement results. This paper analyses and discusses the system structure, working principle, experimental methods and data processing, application results etc. In fact, this system provides an effective experimental conditions for the study on reasonable application of color temperature of light source in a road or tunnel lighting project, and has important application value on road and tunnel lighting project in our country.
出处
《灯与照明》
2012年第4期9-13,共5页
Light & Lighting
基金
国家自然科学基金资助项目(50908240)
(51278507)
关键词
道路和隧道照明
光源色温
视觉功效法
反应时间
背景亮度
目标光斑
视标
road and tunnel lighting
color temperature of light source
visual function method
reaction time
background luminance
target spot
visual target
