複合式反射罩之機車頭燈LED照明設計

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姓名

羅偉真(Wei-chen Lo) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

複合式反射罩之機車頭燈LED照明設計

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摘要(中)

本論文機車頭燈為白光LED、橢圓反射罩、拋物面反射罩以及非球面透鏡所組成。白光LED輸出光通量為146 lumen，放置在橢圓反射罩第一焦點位置，利用其第二焦點收光，再使用拋物面反射罩將其焦點與橢圓反射罩第二焦點重疊，使光線準直，最後使用非球面透鏡投射在25 m外的待測面上形成寬4500 mm、高1000 mm光型，利用LightTools Non-Sequential Ray調整非球面透鏡的參數提高其效率與均勻度，可模擬在待測面上遠光燈效率達66.45％，平均差為14.17％，近光燈效率達66.43％，平均差為13.96％。

摘要(英)

In this paper, we use the elliptical reflector, parabolic reflector and aspheric lens with the LED light source to form Lambertian distribution locomotive headlights. We used the software of LightTools to build the locomotive headlights and optimize the various components. We measured the surface which is 25 meter from the light source and satisfy ECE regulations No. 113. After the design, we add material parameters and check if it satisfies ECE regulations No. 113. The passing beam efficiency is 66.43, and average deviation is 13.96. The driving beam efficiency is 66.45, and average deviation is 14.17.

關鍵字(中)

★ 機車頭燈
★ 光學設計

關鍵字(英)

★ headlamp

論文目次

摘要 I
ABSTRACT II
致謝 III
目錄 IV
圖目錄 VII
表目錄 X
第一章緒論 1
1-1車燈光源發展 1
1-2車燈種類 3
反射式 3
投射式 5
1-3論文架構 6
第二章初階設計分析 7
2-1基本原理 7
反射定律 7
折射定律(Snell′s law) 7
2-2非球面 8
2-3照明光學 10
光通量 (Luminous Flux, F) 11
光強度（Luminous Intensity, I） 12
照度 (Illuminance, E) 13
輝度（Luminance, L） 14
2-4 朗伯餘弦定律 (LAMBERT’S COSINE LAW) 15
2-5 眩光 (GLARE) 16
2-6 演色性 (COLOR RENDERING, CRI ) 16
2-7 相關色溫度（CORRELATED COLOR TEMPERATURE，TCP） 17
第三章法規 19
3-1法規 19
近光燈 20
遠光燈 22
3-2平均差 24
第四章機車頭燈設計 25
4-1選擇光源 25
4-2設計過程與結果 28
第五章結論與未來展望 46
結論 46
未來展望 46
參考資料 47

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指導教授

孫文信(Wen-Shing Sun)

審核日期

2014-7-29

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