﻿ 三维振动测量系统的照明模块设计
 光学仪器  2018, Vol. 40 Issue (1): 55-60 PDF

1. 上海理工大学 光电信息与计算机工程学院, 上海 200093;
2. 上海理工大学 上海市现代光学系统重点实验室, 上海 200093;
3. 上海理工大学 教育部光学仪器与系统工程研究中心, 上海 200093

Illumination module design for 3D multi-point measurement system
JIANG Jianyu1,2,3, YANG Bo1,2,3
1. School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
2. Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China;
3. Engineering Research Center of Optical Instruments and Systems(MOE), University of Shanghai for Science and Technology, Shanghai 200093, China
Abstract: In order to meet the requirement of multi-point three-dimensional measurement system for the large field-of-view illumination conditions, we design a uniform illumination module based on the freeform surface lens array.According to the energy correspondence, we calculate the discrete pointdata of the freeform surface lens, and obtain the solid model by fitting the discrete points through Rhino software.The freeform surface lens's solid model is input into the Light Tools software.Then we get uniform illumination module through the array arrangement.The simulation results show that the illumination module can achieve the brightness of 13 102 lx and the illumination uniformity of 92.86% on the 2.56 m2 receiving plane, and the tolerances meet the requirement of fabrication.
Key words: illumination module     freeform surface     energy utilization rate     uniform illumination

1 原理简介

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 图 1 切面迭代法 Figure 1 Section iteration method
2 自由曲面的设计结果分析 2.1 设计指标

2.2 模型建立

 图 2 离散点三维模型 Figure 2 Three dimensional model of discrete points

 图 3 Rhino中拟合离散点得到的实体模型 Figure 3 Solid model of the discrete points in Rhino

 图 4 单个自由曲面透镜照明 Figure 4 Illumination of single freeform lens

 图 5 接收面的光栅图表 Figure 5 Raster diagram of the receiving plane

 图 6 接收面的线图表 Figure 6 The line chart of the receiving plane

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 图 7 阵列匀光照明模块照明示意图 Figure 7 Light illumination module diagram through the array arrangement

 图 8 阵列后的接收面光栅图表 Figure 8 Raster diagram of the receiving plane through the array arrangement

 图 9 阵列后的接收面线图表 Figure 9 The line chart of receiving plane through the array arrangement
2.3 公差分析

 图 10 公差分析图 Figure 10 Tolerance analysis
3 结论

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