博碩士論文 103226029 詳細資訊




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姓名 任永昌(Yung-Chang Jen)  查詢紙本館藏   畢業系所 光電科學與工程學系
論文名稱 發光二極體航標燈之研究
(The Study of LED Marine Beacons)
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檔案 [Endnote RIS 格式]    [Bibtex 格式]    [相關文章]   [文章引用]   [完整記錄]   [館藏目錄]   至系統瀏覽論文 (2021-7-1以後開放)
摘要(中) 在本論文中,我們利用中場擬合法建立光源模型,並利用此光源模型分別設計出兩款航標燈用之透鏡,光源分別為砲彈型 LED 以及高功率 LED。在透鏡設計上,我們成功地將光源水平維度的光發散開以及垂直維度的光收斂到 8 至 10 度,在光源為砲彈型 LED 的案子中,我們使用單一款透鏡之設計即可應用在四種不同顏色的光源上,分別為紅光、黃光、綠光及白光,且應用的航標燈之光強度可以達到 5 海浬之規範要求、色座標量測亦可以符合國際航標協會的規範;在光源為高功率 LED 的案子中,我們設計一款具有特殊結構表面的 TIR Lens 來做為航標燈所使用之透鏡,此透鏡成功地將水平維度發散至 68 度以及垂直維度控制在 8 度。於模擬中,此款具有特殊結構表面的 TIR Lens 透鏡之光學效率為 84.2%。在距離 5 公尺處且長為 10 公尺、寬為 0.875 公尺的面積為目標面時,其光學利用率(OUF)可達到 63.5%。
摘要(英) In this thesis, we use the mid-field algorithm to build the light source model. Based on the light source model, we respectively design the lenses for two marine beacons. 5 LED lamps and high power LED are selected as our light sources. By the process of our lens design, we successfully keep the divergence angle of the light source to diverge in the horizontal direction and converge to 8-10 degrees in the vertical direction.
In the project of marine beacon using 5 LED lamp, we design a specific lens to be suitable for different light sources which colors are red, yellow, green, and white. Besides, by our design, the luminous intensity of the marine beacon using 5Φ LED lamp can achieve to the IALA recommendation’s requirement of 5 nautical miles. The measurement of color coordinates can also fit the IALA recommendation’s requirement.
In the project of marine beacon using high power LED, we design a specific surface-structured TIR lens into the marine beacon. By the surface-structured TIR lens, we successfully keep the divergence angle of the high power LED to diverge to 68 degrees in the horizontal direction and converge to 8 degrees in the vertical direction. According to the simulation results, the optical efficiency of the surface-structured TIR lens is 84.2 %. Under a distance of 5 m, the optical utilization factor is 63.5 % when the area of illuminated region is 10 m * 0.875 m.
關鍵字(中) ★ 發光二極體
★ 航標燈
關鍵字(英) ★ LED
★ Marine Beacon
論文目次 摘要.................................... I
Abstract............................... II
致謝.................................... III
目錄.................................... V
圖索引.................................. VII
表索引.................................. XIV
第一章 緒論............................ 1
1-1 研究背景.............................1
1-2 研究動機與目的....................... 4
1-3 論文大綱............................ 5
第二章 基本原理........................ 6
2-1 光度學.............................. 6
2-2 中場擬合法........................... 12
第三章 航標燈規範介紹................... 14
3-1 簡介 ................................14
3-2 IALA 介紹........................... 14
3-2-1 色座標範圍......... ................15
3-2-2 光強度與海浬之關係.................. 17
3-2-3 量測方法.......................... 24
第四章 砲彈型 LED 光源之航標燈設計....... 26
4-1光源簡介與模型建立..................... 27
4-2透鏡之設計............................35
4-3模擬與實際量測結果比較................. 36
4-4驗證計算與公差量測結果分析............. 41
4-5完整架構燈具量測結果................... 49
4-6色座標量測架構圖與量測結果............. 51
4-7燈具實際點亮情形...................... 53
4-8結論.................................54
第五章 高功率 LED 光源之航標燈設計....... 55
5-1 透鏡設計............................ 55
5-1-1 TIR lens 設計..................... 55
5-1-2 TIR lens 表面結構之設計............ 56
5-2 光強度模擬........................... 57
5-3 實驗量測結果分析..................... 59
5-4 結論................................ 64
第六章 結論............................ 65
參考文獻................................ 67
中英文名詞對照........................... 70
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指導教授 孫慶成(Ching-Cherng Sun) 審核日期 2016-8-25
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