應用於自然光照明系統之自由曲面微透鏡陣列光準直器

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研究生：	吳曉蓉 Xiao-Rong Wu
論文名稱：	應用於自然光照明系統之自由曲面微透鏡陣列光準直器 A Light Collimator with Freeform Microlens Array for Natural Light Illumination Systems
指導教授：	黃忠偉 Allen Jong-Woei Whang 林保宏 Pao-Hung Lin
口試委員:	陳炤彰 Chao-Chang Chen 陳怡永 Yi-Yung Chen 趙涵捷 HanChieh Chao
學位類別：	碩士 Master
系所名稱：	電資學院 - 電子工程系 Department of Electronic and Computer Engineering
論文出版年：	2014
畢業學年度：	102
語文別：	中文
論文頁數：	59
中文關鍵詞：	自然光照明系統、光準直器、自由曲面微透鏡陣列
外文關鍵詞：	Light Collimator, Freeform Microlens Array, NLIS
相關次數：	點閱：380 下載：2
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上一筆

近年來太陽能光電產業因應能源議題受各國的重視而蓬勃發展，太陽光擁有充足且龐大的能量，許多學者為了節約能源及健康照明，紛紛投入自然光照明的領域。自然光照明系統分為三個子系統:集光、傳光以及放光。此外，各個子系統的效率也關係著整個自然光照明系統的效果。對於集光子系統的效率而言，光磚出口的配光曲線影響甚鉅，若光線準直性不佳，許多光線在進入傳光子系統前就先散逸掉了，造成集光子系統的效率不佳，嚴重影響自然光照明系統整體的成效。
因此本論文提出一個自由曲面微透鏡陣列，透過虛擬面的設置，了解光磚出口光線的角度與分布，針對非準直的光線來設計微透鏡。透過不同曲率的透鏡將不同角度的光線折射成近平行光，最後將許多微透鏡組合成一自由曲面微透鏡陣列應用在光磚出口，來提高光線在集光子系統內傳輸的效率。通過這樣的設計，光磚出口的光線準直性至少為50.26%，單一出口的效率提高27.27%，光模組整體效率提升了24.76%。

Because of the energy crisis, green energy such as solar, wind, hydro and geothermal energies are being developed in many countries. Effective renewable energy consumption is also one of the goals. To save energy, development of the daylighting system is necessary. Therefore, we developed the Natural Light Illumination System (NLIS). The core of NLIS is to improve the sunlight utilization that directly using sunlight, and avoiding loss of energy transformation. This paper presents an innovative freeform lens used in NLIS. NLIS is used to guide the natural light indoors for illumination, which system is implemented in energy saving smart buildings to reduce energy consumption. In developing a daylighting system, the overall system efficiency is crucial. In the NLIS, whether the light propagates parallel strongly affects the efficiency. In this paper simulate a multi-curvature lens to collimate rays propagated from different angles. We describe a method based on freeform microlens array which increase transmission efficiency. Results show with the freeform microlens array collimator, the light propagates 50.26% more parallel and the efficiency increase 24.76%. Enhance the core values of NLIS in the building illumination.

目錄
論文摘要....................................................................................................ii
Abstract.....................................................................................................v
誌謝...........................................................................................................vi
圖次.........................................................................................................ix
表次...........................................................................................................xi
第一章緒論...........................................................................................1
1 研究背景.....................................................................................1
2 研究動機.....................................................................................2
3 論文章節概述.............................................................................3
第二章自然光照明系統介紹...............................................................5
1常見日照系統比較..............................................................5
2 自然光照明系統.........................................................................6
2.1 定日鏡系統......................................................................6
2.2 集光子系統......................................................................8
2.3 傳光子系統....................................................................11
2.4 放光子系統....................................................................13
第三章光學基礎理論.........................................................................15
1非成像光學概述........................................................................15
2幾何光學原理............................................................................16
2.1司乃爾定律.....................................................................16
2.2反射定律.........................................................................17
2.3光展量定理.....................................................................18
3光學名詞介紹............................................................................19
3.1立體角定理.....................................................................19
3.2光通量.............................................................................20
3.3光強度.............................................................................20
3.4照度.................................................................................21
3.5輝度.................................................................................22
3.6 輻射度學與光度學........................................................23
第四章自由曲面方法介紹.................................................................25
1  數值優化法.............................................................................26
2 直接法........................................................................................26
2.1同步多曲面法.................................................................27
2.2 Tessellation method－網格切割法.................................27
2.3 Tailored Lens－剪切法...................................................29
2.4 Virtual Surface －虛擬分析面.......................................30
第五章自由曲面透鏡設計流程.........................................................32
1 以虛擬面分析光線分布建立網格切割...................................32
2 建立自由曲面離散面...............................................................33
第六章以NLIS光磚出口為例之應用設計......................................38
1 模擬參數設定與量化指標.......................................................39
1.1模擬參數設定.................................................................39
1.2量化指標.........................................................................39
2 虛擬面分析光線分布與網格切割...........................................40
3 單一自由微透鏡效率分析與比較...........................................44
4 自由曲面微透鏡陣列應用於光模組效率比較與分析...........49
4.1 應用於光模組之效率分析............................................49
4.2 反射鏡加大後於之光模組效率分析............................53
第七章結論與未來展望.....................................................................55
參考文獻............................................................................................56

                                

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全文公開日期 2019/07/02 (校內網路)
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