陈神飞,张兵,李玮晟,杨松柏,赵海天
CHEN Shenfei,ZHANG Bing,LI Weisheng,YANG Songbai,ZHAO Haitian

• 1:同济大学建筑与城市规划学院
• 2:深圳大学建筑与城市规划学院

摘要(Abstract)：

光源对人眼不连续的刺激极易引起视觉疲劳,而这种疲劳程度与光源刺激信号强度有关。在道路照明与隧道照明中,表现为"低频闪烁"。目前照明标准中,考虑了路灯间距与车速对"频闪"的影响,忽略了路灯表面亮度与背景亮度的能量比率对人眼刺激的影响。本文基于视觉视敏度原理,通过设计实验,采用不同亮度等级的照明环境对测试者进行模拟实验,采用闪光融合频率计来检测人眼视觉灵敏度,通过检测测试者实验前后临界闪光融合频率值的大小来判断测试者视觉疲劳程度。测试结果表明,通过降低光源刺激信号的强度可以有效缓解视觉疲劳程度。即通过减小路灯表面亮度可以减弱频闪效应,对隧道照明、地下通道照明、低位路灯照明设计具有参考意义。
The light source's discontinuous stimulation of the human eye is very likely to cause visual fatigue, and this degree of fatigue is related to the intensity of the source stimulus signal. In road lighting and tunnel lighting, it appears as “low frequency flickering”. In the current lighting standard, the influence of the street light spacing and the vehicle speed on the “strobe” is considered, and the influence of the energy ratio of the surface brightness of the street lamp and the background brightness on the human eye stimulation is neglected. In this paper, based on the visual visual acuity principle, through the designed experiment, the tester is under simulated test by using different brightness levels of the lighting environment, and the flash fusion frequency meter is used to detect the human visual sensitivity, and the critical flash fusion frequency values are obtained before and after the tester is tested. The value is used to judge the degree of visual fatigue of the tester. The test results show that the degree of visual fatigue can be effectively alleviated by reducing the intensity of the source stimulation signal. That is, the stroboscopic effect can be weakened by reducing the surface brightness of the street lamp, which has reference significance for tunnel illumination, underground passage illumination, and low street lighting design.

关键词(KeyWords)： 道路照明;低频闪烁;能量比率;视觉疲劳;临界闪光融合频率(CFF)
road lighting;low frequency flickering;energy ratio;visual fatigue;critical flicker frequency

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51778367);国家自然科学基金(51278309);; 广东省自然科学基金(2015A030313548);; 深圳市科技计划项目(JCYJ20170818141507055);深圳市科技计划项目(GRCK201742110500850)

作者(Author): 陈神飞,张兵,李玮晟,杨松柏,赵海天
CHEN Shenfei,ZHANG Bing,LI Weisheng,YANG Songbai,ZHAO Haitian

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