| 公路LED可变信息标志光度指标静态试验研究 |
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| 引用本文： | 韩文元,崔晓飞,蒋海峰,杨丰艳.公路LED可变信息标志光度指标静态试验研究[J].公路交通科技,2009,26(7). |
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| 作者姓名： | 韩文元 崔晓飞 蒋海峰 杨丰艳 |
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| 作者单位： | 交通部公路科学研究院,北京,100088 |
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| 基金项目： | 交通部西部交通建设科技项目 |
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| 摘 要： | 分析比较了行业标准JT/T431的适用性和经济性,围绕安全节能提出了改进途径,利用统计分析方法确定了LED光度取值范围.从交通心理学和人机工效学的角度,试验研究了LED可变信息标志在白天、黄昏、夜晚等环境条件下显示屏亮度与人眼适应性和视认距离的关系,给出了可变信息标志LED亮度及其视认距离的标准建议值.研究成果将为公路LED可变信息标志光度指标的设计提供科学的理论依据和基本参数,有助于保障交通安全,节约交通资源.
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| 关 键 词： | 交通工程 可变信息标志 光度性能 视认性 视认距离 |
Static Experimental Research on Photometric Performance of Light-emitting Diode Dynamic Message Signs of Expressway |
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| HAN Wenyuan,CUI Xiaofei,JIANG Haifeng,YANG Fengyan.Static Experimental Research on Photometric Performance of Light-emitting Diode Dynamic Message Signs of Expressway[J].Journal of Highway and Transportation Research and Development,2009,26(7). |
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| Authors: | HAN Wenyuan CUI Xiaofei JIANG Haifeng YANG Fengyan |
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| Institution: | Research Institute of Highway;Ministry of Communications;Beijing 100088;China |
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| Abstract: | After comparatively analyzed the applicability and economy of the industry standard JT/T431,a safety and energy-saving method to improve the photometric performance of LED dynamic message signs was put forward.By using statistical analysis methods,the range of LED performance was determined.Based on the theories of ergonomics and traffic psychological,the relationship of LED luminance with adaptability of human eyes and visual distance under the daytime,dusk,night and other environmental conditions was rese... |
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| Keywords: | LED |
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