| PCB无铅焊点检测的光源分析与优化设计 |
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| 引用本文： | 卢盛林,张宪民. PCB无铅焊点检测的光源分析与优化设计[J]. 光学精密工程, 2008, 16(8): 1377-1383 |
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| 作者姓名： | 卢盛林 张宪民 |
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| 作者单位： | 华南理工大学机械工程学院,广东广州510640 |
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| 基金项目： | 粤港关键领域重点突破项目，广东省、教育部产学研结合资助项目 |
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| 摘 要： | 为了提高自动光学检查（AOI）系统的性能，应对无铅化制程的需要，本文对AOI光源进行了研究。首先，介绍了AOI光源的结构设计方法，光源由红、绿、蓝3种不同颜色，不同照射角度的LED阵列组成。然后，建立了光源的照度模型以及焊点的反射模型。最后，根据简化的照度模型对光源的几何参数进行了优化。仿真和实验结果验证了光源设计的有效性。
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| 关 键 词： | AOI LED 光源 机器视觉 焊点检测 |
| 收稿时间： | 2008-01-24 |
| 修稿时间： | 2008-03-28 |
Analyze and Optimal Design of Illuminator for Leadless Tin Solder Joint Inspection |
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| LU Sheng-lin,ZHANG Xian-min. Analyze and Optimal Design of Illuminator for Leadless Tin Solder Joint Inspection[J]. Optics and Precision Engineering, 2008, 16(8): 1377-1383 |
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| Authors: | LU Sheng-lin ZHANG Xian-min |
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| Abstract: | This paper presents an illuminator for Leadless tin solder joint inspection. Firstly, the structure of the designed illuminator is introduced. Secondly, the radiance model of the illuminator and the irradiance model of the solder joint are developed. Thirdly, the dimensions of the illuminator are optimized based on the irradiance model. Finally, the simulation and experimental results verify the validity of the design. |
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| Keywords: | AOI LED Illuminator Machine Vision Solder Joint Inspection |
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