汽车应用亮led的热管理

Yan Lai, N. Cordero
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引用次数: 26

摘要

高亮度白光发光二极管(led)在户外照明、任务照明和装饰照明以及飞机和汽车照明(包括汽车前灯)等许多照明应用中显示出非常有前景。本文的目的是研究此类led在汽车应用中的冷却解决方案。在本研究中,进行了从器件到板到系统级的热设计,并进行了优化工作以找到最佳的热性能。对自然对流和强迫对流进行了探讨,并在此具体应用中对每种情况得出了结论
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Thermal Management of Bright LEDs for Automotive Applications
High brightness white light emitting diodes (LEDs) have shown to be very promising for many illumination applications such as outdoor illumination, task and decorative lighting as well as aircraft and automobile illumination, including automotive headlights. The objective of this paper is to investigate the cooling solutions of such LEDs in automotive applications. In this research, a thermal design from device to board to system level has been carried out, and optimisation work has been done to find the optimum thermal performance. Both natural and forced convection have been explored and conclusions are drawn for each case in this specific application
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