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研究生:趙坤峙
研究生(外文):Kun-zhi Zhao
論文名稱:應用於自然光照明系統的多角度準直透鏡
論文名稱(外文):Multi-Angle Collimator Lens Design for Natural Light Illumination System
指導教授:黃忠偉黃忠偉引用關係
指導教授(外文):Jong-Woei Whang
口試委員:林瑞珠黃忠偉林保宏陳怡永
口試委員(外文):JUI-CHU LINJong-Woei WhangPao-hung Lin
口試日期:2019-01-19
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:電子工程系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2019
畢業學年度:107
語文別:中文
論文頁數:66
中文關鍵詞:自然光照明系統自然光準直透鏡
外文關鍵詞:Natural Light Illumination SystemNatural LightCollimator Lens
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臺灣因核能發電機老舊需要除役,除役後的電力缺口目前還無完善的補救辦法,會有缺電的危機,因此節能是個很重要的課題,在照明上有研究提出自然光照明系統,將陽光直接導入室內作為照明使用,簡少白天在室內使用人工光源以達到節能的效果。自然光照明系統分為四大子系統:前集光、集光、傳光、放光。前集光子系統能將不同太陽仰角的光反射至集光子系統提升集光效率,集光子系統的功能是收集壓縮太陽光,在借由傳光子系統將光線傳送到室內,最後由放光子系統進行放光動作。
光線經過集光子系統後,因集光器結構複雜在出口產生發散光源,但太陽會隨著時間改變仰角,當角度改變集光器出口的光源分布也會跟著改變。
本文針對圓盤集光器出光口設計一多角度準直透鏡。透過模擬分析得知不同仰角入射光在經過圓盤集光器後會產生-30˚~30˚之間的不同能量角度光線。透過橢圓曲面和折射面法建立出多角度準直透鏡。加了多角度準直透鏡的圓盤集光器能準直-30˚~30˚之間的光線,延長了照明時間,且效率比未加準直透鏡的圓盤集光器效率高了8倍,準直後的光能長距離直線傳輸,並能省去光纖過光管等光傳輸原件,也不會有在傳輸時造成的損耗。
In Taiwan, nuclear power generators need to be decommissioned. There is no perfect remedy for the power shortage after decommissioning. There will be a crisis of power shortage. Therefore, energy conservation is an important issue. In lighting, research has proposed a natural light illumination system. The sunlight is directly introduced into the room for use as lighting, and the artificial light source is used indoors during the day to achieve energy saving. The natural light illumination system is divided into four subsystems: Before collecting light, collecting light, transmitting light, and concentrating, the light collecting subsystem can reflect the light of different solar elevation angles to the light collecting subsystem to enhance the light collecting efficiency. The function of the light collecting subsystem is to collect compressed sunlight, by means of the light transmitting subsystem. The light is transmitted to the room, and finally the light-emitting subsystem performs the light-emitting action.
After the light passes through the light collection components, the divergent light source is generated at the exit due to the complicated structure of the light collection components, but the sun changes the elevation angle with time, and the distribution of the light source at the exit of the concentrator changes when the angle changes.
In the paper, a multi-angle collimating lens is designed for the light exit of the disc concentrator. Through simulation analysis, it is known that incident light of different elevation angles will produce different energy angles between -30 ̊ to 30 ̊ after passing through the disk concentrator. A multi-angle collimating lens is created by an elliptical surface and a refractive surface method. A disc concentrator with a multi-angle collimator lens can collimate light between -30 ̊ to 30 ̊, prolonging the illumination time and is more efficient than a disc concentrator without a collimating lens. Times, the collimated light energy can be transmitted in a straight line over a long distance, and the optical transmission original such as the optical fiber light pipe can be omitted, and there is no loss caused during transmission.
論文摘要 I
ABSTRACT II
致 謝 IV
第一章 緒論 1
1-1研究背景 1
1-2研究動機與目的 1
1-3 論文架構 3
第一章 緒論 3
第二章 光學基礎理論 3
第三章 自然光明照明系統 3
第四章 多角度準直透鏡之設計方法 3
第五章 模擬結果分析與討論 3
第六章 結論與未來展望 3
第二章 光學基礎理論 4
2-1幾何光學概論 4
2-1-1反射定律(Reflection Law) 4
2-1-2折射律(Index of Refraction) 5
2-1-3斯奈爾定律(Snell’s Law) 5
2-1-4費馬定理 (Fermat’s principle) 6
2-1-5臨界角 (Critical angle) 6
2-1-6內全反射(Total Internal Reflection) 7
2-2光學基本單位 7
2-2-1光通量(Luminous Flux,Φ) 7
2-2-2立體角(Solid Angle, Ω) 8
2-2-3發光強度(Luminous Intensity) 9
2-2-4照度(Illuminance, E) 10
2-2-5輝度 (Luminance, L) 11
2-3橢圓的光學性質 11
第三章 自然光照明系統 12
3-1 自然光照明系統(Natural Light Illumination System) 12
3-1-1 前集光子系統 14
3-1-2 集光子系統 15
3-1-3 傳光子系統 18
3-1-4 放光子系統 19
3-1-5照明之整體效率 20
第四章 多角度準直透鏡之設計方法 21
4-1準直透鏡簡介 21
4-1-1 LED準直透鏡 21
4-2自由曲面簡介 22
4-2-1 非均勻網格分析法 ( nonuniform grid target tessellation method) 23
4-2-2 折射面方法(Refraction Surface Method) 23
4-2-3 菲涅耳設計方法 25
4-2-4 雙拋物面鏡 25
4-2-6 總結之各方法 25
4-3 設計目標與流程 26
4-3-1 分析不同入射角進入圓盤集光器後的結果 27
4-3-2 結構介紹 34
4-3-3小角度(0˚~30˚)曲面建立 34
4-3-4 球面建立 35
4-3-5 大角度(30˚~70˚)收光曲面建立 36
4-3-6 大角度(30˚~70˚)準直曲面建立 37
4-3-7曲線修正 39
4-3-8多角度準直透鏡完成 40
4-4圓盤集光器固定蓋子 41
第五章 模擬結果分析與討論 42
5-1模擬配製圖 42
5-5-1光源設定 43
5-1-2量化指標 45
5-2光線追跡 46
5-3不同角度入射光模擬步驟 47
5-4加裝多角度準直透鏡的前後的流明值比較 48
5-5加了準直透鏡的圓盤集光器傳輸距離模擬架設 49
5-6加了準直透鏡的圓盤集光器傳輸距離模擬結果分析 50
第六章 結論與未來展望 51
6-1結論 51
6-2未來展望 51
參考文獻 52
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