光电工程, 2012, 39 (6): 91, 网络出版: 2012-06-25   

一种优化 LED照明的三维 SMS设计方法

Three-dimensional SMS Design to Optimize LED Lighting
作者单位
1 杭州科技职业技术学院,杭州 311402
2 浙江大学现代光学仪器国家重点实验室,杭州 310027
摘要
二维 SMS(多表面同时设计法 )设计能实现旋转对称的照明目标,但不能实现像矩形光斑配光要求的非旋转对称的照明目标,为此介绍了一种优化 LED照明的自由曲面透镜三维 SMS设计方法。通过研究三维 SMS方法的设计过程,详细分析了三维初始曲线的选取对于设计效果的影响:可以通过初始曲线的选取来使整个系统具有不同的性质,实现不同的设计要求。通过一个实例设计对三维 SMS方法进行说明,并且通过改变种子肋的选取来得到所需要的矩形照明光斑。结果表明:三维 SMS设计方法在实际 LED照明设计中光线的控制能力强,透镜结构紧凑、效率高,可实现特殊要求的非旋转对称照明目标。
Abstract
The 2D Simultaneous Multiple Surfaces (SMS) design can realize the goal of palindrome lighting. But it can’t realize the goal of lighting without rotational symmetry, such as rectangular beam desires. Thus, a 3D SMS method is introduced to optimize the LED lighting. A design example is presented to further verify the 3D SMS method, and a different rectangular illumination is produced by changing a different seed rib. The model of the freeform lens is constructed and the optical simulation is carried out. The results show that the light beams are controlled well by the 3D SMS method, the freeform lens is compact and efficient, and a target illumination without rotational symmetry is achieved.
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蒋水秀, 孙翔, 冯华君, 贾宁. 一种优化 LED照明的三维 SMS设计方法[J]. 光电工程, 2012, 39(6): 91. JIANG Shui-xiu, SUN Xiang, FENG Hua-jun, JIA Ning. Three-dimensional SMS Design to Optimize LED Lighting[J]. Opto-Electronic Engineering, 2012, 39(6): 91.

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