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太阳模拟器在辐射仪器检测中的应用
APPLICATIONS OF SOLAR SIMULATOR IN THE CALIBRATION AND TEST OF RADIATION INSTRUMENTS
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摘要: 该文主要介绍了由TM-500F太阳模拟器和旋转工作台组成的具有多功能辐射仪器室内检测设备的结构、原理及应用。利用该设备可对太阳辐射测量仪器进行灵敏度的校准, 由实验可知, 总辐射表室内外灵敏度检定结果非常一致, 其误差在±0.6%之内。也可进行余弦、方位响应误差, 倾斜误差, 非线性误差及响应时间等性能的测定。Abstract: To evaluate the solar radiation measurement data and instrument specifications, the new versatile laboratory test facility for solar radiation instruments has been developed. It consists of an available solar simulator and a rotating mechanism with an instrument mount. The spectral distribution is in accordance with Air Mass 1.5 global spectral conditions. Directionally, tilt and non-linearity errors of pyranometers can be tested by using this facility. Satisfactory results have been obtained according to calibration measurements of pyranometers. It is shown that the difference values of the sensitivity are within the range of ±0.6% measured in the outdoor exposure.
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Key words:
- Solar simulator;
- Radiation instrument;
- Calibration and test;
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图 1 检测设备光学系统光路简图
(1—椭球面聚光反射镜 2—短弧氙灯 3—平面反射镜 4—光谱滤光片 5—光学积分器组 6—负透镜 7—准直透镜 8—转向平面反射镜 9—工作台)
图 2 辐射仪器室内检测设备结构示意图
(1—模拟器箱体 2—光源室 3—平面反射镜 4—光学积分器 5—准直透镜 6—平面反射镜 7—工作台 8—平衡砣 9—转臂 10—减速箱 11—离合结构 12—定位激光器 13—框架)
表 1 室内、外灵敏度测定结果比较
表 2 余弦响应误差的测定结果 (相对差)
表 3 方位响应误差的测定结果 (相对差)
表 4 倾斜响应误差的测定结果 (相对差)
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