光学精密工程2017，Vol.25Issue(12)：3096-3104,9.DOI:10.3788/OPE.20172512.3096
便携式逆反射系数测试仪
A portable retroreflection coefficient detector
摘要
Abstract
A portable retroreflection coefficient detector was designed according to relevant national standards to measure the retroreflection coefficients of the traffic signs,vehicle body markings and high visibility warning clothes.The measuring principles of retroreflection coefficients were analyzed and compared,and the retroreflectioncoefficient detector was developed based on the relative measurement method.White reflecting light was used as the divergent light source of the retroreflection coefficient detector,and it could simulate the actual working condition of retroreflection objectives in a short distance and to complete the measurement of the retroreflection coefficients.The designs of optical system,photoelectric conversion circuit and STM32F103C8T6 single-chip control system in the detector were introduced.A selection model for the test angles of retroreflection coefficients was established based on minimum safety driving distance,and the uncertainty of the retroreflection coefficient detector was evaluated.Finally,a test experiment was performed by using the portable retroreflection coefficient detector.The experiment results show that the maximum value of the indication error is 4.40％ in the test range of (0.1-199.9) cd · lx-1 · m-2,and that is 1.31％ in the test range greater than 199.9 cd · lx-1 · m-2,which meets the requirement of GB 26377-2010 for indication errors.The portable retroreflection coefficient detector has advantages of miniaturization and intellectualization and has practical significance to detect the traffic safety signs and vehicle body signs.关键词
逆反射标识/逆反射系数测试/逆反射系数测试系统/相对法Key words
retroreflector/coefficient of retroreflection measure/coefficient of retroreflection measurement system/relative method分类
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王伟杰,赵学增,潘昀路,熊怡,陈玉..便携式逆反射系数测试仪[J].光学精密工程,2017,25(12):3096-3104,9.基金项目
哈尔滨市学科后备带头人基金资助项目(No.0071007012) （No.0071007012）
