創新發光二極體頭燈設計與分析

Innovative Design and Analysis of Headlamp Powered by Light Emitting Diodes

柯佩雯(Pei Wen Ke)

指導教授 ： 王培仁

國立清華大學/工學院/動力機械工程學系/碩士(2007年)

https://doi.org/10.6843/NTHU.2007.00252

摘要

近年來，除了功能性、實用性之外，美觀、造型亦成為產品設計之需求，車燈產業也顯示了此種現象。由於傳統拋物面反射鏡車燈之外觀設計受限，因此衍生出新型多重反射面鏡、多橢圓反射面鏡車燈等設計。其共通點在於光線偏折的功能由反射鏡執行，燈罩部分可以是透明的，不需加上凹槽，在進行外觀設計時就能有較大的發揮空間。由於功率型發光二極體生產製造技術進步、發光強度提升，且因為其具備體積小、重量輕、省電、壽命長、發熱度低、反應速度快及抗震性能好等優點，在各種產品的應用愈來愈多，如顯示器、手電筒、背光板……等，目前也已經有汽車車尾燈及方向燈等產品問世，故將發光二極體應用於頭燈並進行量產是為研究人員努力之目標。
本研究將以商用電腦輔助光學軟體分析模擬，再進行實體樣本之驗證，首先確認使用之建模與模擬分析方法之可行。隨後依據現有頭燈之分析經驗，輔以發光二極體為光源進行設計，達成符合法規之機車用頭燈，完成完整設計及其電腦模擬配光分析之流程，期以創新之設計與分析方法提供未來相關系統之分析與研究之參考。

關鍵字

頭燈 ； 光學模擬 ； 發光二極體

並列摘要

In recent years, automotive industry has been crazing for appearance in product design in addition to functionality and practicability; and, the typical example is the lightings design. Because conventional lighting-design in cars is constrained by placement of focusing lenses, several new design approaches, namely multi-reflector and poly-ellipsoid design, have been adopted for automotive lightings. Due to the adoption of multi-reflector for ray focusing, the outer lens can be smooth and transparent without grooving so that design alternatives can be achieved at appearance design stage. The recent technology achievements in LED industry, such as high power, high illumination efficiency, and longevity in life cycle, has made many new applications as well as automotive applications in LED headlamps.
In this thesis, we analyze a headlamp with an optical analysis program for confirming the simulation method together with experimental data. Based upon the design experiences of the headlamp, we further adopted LED as light sources for innovative designs of motorcycle headlamps according to the ECE regulations. Finally, a new design method is proposed and completely analyzed for headlamps powered by LED for future engineering references.

並列關鍵字

Headlamp ； Optical Simulation ； Light Emitting Diode

參考文獻

[8] S. O. Kasap, Optoelectronics and Photonics: Principles and Practices, Prentice Hall, 2001.

[14] UNECE(United Nations Economic Commission for Europe)，

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