基于热场分析的LED日间行车灯优化设计

周静; 吴雪强; 龙兴明

doi:10.3788/fgxb20163703.0372

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基于热场分析的LED日间行车灯优化设计

发光学应用及交叉前沿 | 更新时间：2020-08-12

- 基于热场分析的LED日间行车灯优化设计
- Optimization Design of LED Daytime Running Lights Based on Thermal Analysis
- 发光学报 2016年37卷第3期页码：372-378
- 作者机构：
  
  1. 重庆大学输配电装备及系统安全与新技术国家重点实验室重庆,400044
  2. 重庆师范大学物理与电子工程学院重庆,400044
- 作者简介：
- 基金信息：
  
  重庆大学中央高校基金(CDJPY14150001)();输配电装备及系统安全与新技术国家重点实验室项目(2007DA10512713306)();国家自然科学基金(51
- DOI：10.3788/fgxb20163703.0372
  中图分类号： TP394.1;TH691.9
- 纸质出版日期：2016-3-5，
  
  收稿日期：2015-9-18，
  
  修回日期：2015-12-3，
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周静, 吴雪强, 龙兴明. 基于热场分析的LED日间行车灯优化设计[J]. 发光学报, 2016,37(3): 372-378

ZHOU Jing, WU Xue-qiang, LONG Xing-ming. Optimization Design of LED Daytime Running Lights Based on Thermal Analysis[J]. Chinese Journal of Luminescence, 2016,37(3): 372-378
周静, 吴雪强, 龙兴明. 基于热场分析的LED日间行车灯优化设计[J]. 发光学报, 2016,37(3): 372-378 DOI： 10.3788/fgxb20163703.0372.

ZHOU Jing, WU Xue-qiang, LONG Xing-ming. Optimization Design of LED Daytime Running Lights Based on Thermal Analysis[J]. Chinese Journal of Luminescence, 2016,37(3): 372-378 DOI： 10.3788/fgxb20163703.0372.

摘要

针对LED日间行车灯的设计需求

提出通过热场仿真分析实现其热性能优化设计的方法。首先

根据LED日间行车灯的结构建立其有限元仿真模型

通过实验观测LED日间行车灯工作中的温度分布情况

并以实验观测结果验证仿真模型的有效性;然后

基于以上模型仿真分析日间行车灯的灯珠间距、铝基板厚度与LED灯珠结温之间的关系;以上述关系为约束条件

结合生产成本

得出在LED灯珠一定的情况下

灯珠间距为37 mm、铝基板厚度为1 mm的最优化设计方案

使LED日间行车灯能够可靠工作且成本更低。

Abstract

A new method was presented to design the LED automotive light

such as the LED daytime running light (DRL) based on the thermal analysis. Firstly

a LED was modeling by COMSOL software. And an experiment was carried out to acquire the distribution of temperature on the surface of LED. The testing results show that the LED model is valid for the thermal analysis. Then based on the model

the relationships between LED junction temperature and the interval of LEDs

and thickness of MCPCB were discussed detailedly. Finally

considering the costs

the proposed design of the LED DRL is that the interval between LEDs is 37 mm and the thickness of MCPCB is 1 mm.

关键词

LED汽车灯日间行车灯灯珠间距铝基板厚度最优化

Keywords

LED automotive lightsdaytime running lightsinterval of LEDsthickness of MCPCBoptimization design

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