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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 457-458Thermal Design of Automotive Headlamp with High...

Thermal Design of Automotive Headlamp with High Power LED

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Abstract:

With an urgent need for energy conservation and pollution reduction, the trend of replacing traditional incandescent or fluorescent lamps with high-power LEDs is growing more and more popular. However, heat dissipation of high-power LED is the main bottleneck for its application. In this research, a kind of automotive headlamp low beam system model is designed with high power LED chips. Several different cooling devices are designed for headlamp cooling, the heat dissipation performances are simulated and analyzed both by the finite volume method (FVM) in FloEFD and experimental measurements. The obtained results indicate that loop heat pipe combined with fined heat sink is the most effective way for heat dissipation in the designed automotive low beam system, even in 80¡æ environmental temperature can ensure the LED headlamp system working stability. The research lays a theoretical basis for the follow-up study.

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Frontiers of Mechanical Engineering and Materials Engineering II

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Periodical:

Applied Mechanics and Materials (Volumes 457-458)

Pages:

649-654

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.457-458.649

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Cite this paper

Online since:

October 2013

Authors:

Jing Wang, Yi Xi Cai, Chun Zhang, Xin Jie Zhao, Xiao Hua Li, Jing Wang

Keywords:

Automotive Headlamp, Heat Pipe, High Power LED, Junction Temperature

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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