给出了一种在人眼中间视觉条件下道路照明光源安全节能性能分析的研究方法。通过构建基于中间视觉行车行为反应时间模拟测试系统, 建立了人眼中间视觉条件下的光视光效模型, 获得了中间视觉下的光视光效曲线。并通过该模型, 给出了基于照明功率密度LPD的光源节能性评价方法。从色度学理论出发, 选用Luv均匀颜色空间, 基于显色指数的光源显色性评价分析计算方法, 探讨了不同主波长光源的相对光谱功率分布变化对光源颜色的影响, 建立了光源主波长与显色指数的函数关系表达式, 可计算获得人眼敏感度与光源颜色各个波长点的关系。对上述方法进行了反应时间模拟测试实验和道路照明图像清晰度计算实验验证, 数据分析与计算结果表明, 在中间视觉条件下, 以540~550 nm为主波长的白绿色照明光源的功率密度和显色性最佳。

A research method of analysis of the road lighting source safety and energy-saving properties under the human mesopic conditions was given. By constructing the reaction time test system for road lighting under the mesopic vision, the luminous efficiency model was established and luminous efficiency curve was obtained. By using this model, the evaluation method of energy efficiency based on the lighting power density was given. Using the calculation and analysis method of the color-rendering properties based on the color-rendering index, the effect of the changes in relative spectral power distribution on the color of light source was discussed under Luv uniform color space, and the function expression between the dominant wavelength of the light source and color-rendering index was established, which can be used to obtain the relationship between human sensitivity and light source color of each wavelength point. The above method was verified by the reaction time simulation test and the definition of the road lighting picture calculation experiment. The results show that the green-white light source with dominant wavelength of 540-550 nm has the best power-saving and color-rendering properties under the mesopic vision.