全球的環保意識抬頭已經成為一種改變的力量，促使許多的國家推行政策達到節能與減碳的目的。但是，另一方面，當人們不斷追求科技進步與經濟發展的同時則消耗了更多的能源。所以，節能減碳與經濟發展不應該相互限制、彼此矛盾而應該是一種競合關係。近年來已有研究專注於無光電轉換之太陽光照明系統，其概念為透過日光蒐集系統將太陽光直接導入室內做為照明使用，如此既能維持經濟發展又能減少能源消耗。本實驗室開發的自然光照明系統(NLIS)即是這種技術;自然光照明系統(NLIS)是一種不需電力的靜態式集光照明系統，我們利用光學的原理與技術將自然光引導至屋內作為室內照明。
本論文將先論述目前國內外幾種不同的無光電轉換的太陽能照明系統，個別分析與介紹其採用的方式。接著介紹本實驗室開發的自然光照明系統(NLIS)，除了闡述自然光照明系統(NLIS)的關鍵技術外，同時也說明NLIS的演進，從第一代NLIS的設計重點與相關的缺點中發想出新的方案與改善措施進而提升至第二代NLIS。
然而，外在環境不斷改變，因此，NLIS必須與時俱進方可適應並符合各種不同要求。因此，本論文提出以具備獨立功能的光立方模組搭配光路規劃經自由空間傳光的新一代NLIS。所有的想法與設計概念先藉由模擬軟體的模擬判斷其可行性並完成初步架構，然後以市售的光學元件建構完成光立方NLIS系統的原型機。分析對照經由光立方NLIS系統原型機的實際運作取得資料與模擬時的數據。這些數據與資料，除了是未來專屬配件設計開發的重要資訊外，同時也是未來商業量產化的評估依據。

Increasing global environmental awareness has become a force for change, prompting many countries to implement policies aimed at achieving energy conservation and carbon reduction. However, on the other hand, when people continue to pursue technological progress and economic development, they consume more energy. Therefore, energy conservation and carbon reduction and economic development should not restrict or contradict each other, but should be a co-competition relationship. In recent years, research has focused on solar lighting systems without photoelectric conversion. The concept is to direct sunlight into the room for use as lighting through a daylight collection system, which can maintain economic development and reduce energy consumption. The Natural Light Illumination System (NLIS) developed by our laboratory is this kind of technology; The Natural Light Illumination System (NLIS) is a static light-collecting lighting system that does not require electricity. We use optical principles and technologies to guide natural light into the house as indoor lighting.
This thesis will discuss several different solar lighting systems without photoelectric conversion in the world currently, and then analyze and introduce the methods used individually. Then introduce the Natural Light Illumination System (NLIS) developed by our laboratory. In addition to explaining the key technology of the Natural Light Illumination System (NLIS), it also explains the evolution of NLIS. From the design focus and related shortcomings of the first generation of NLIS, come up with the new plan and improvement measures are then upgraded to the second-generation NLIS.
However, the external environment is constantly changing. Therefore, NLIS must keep pace with the times to adapt and meet various requirements. Therefore, this thesis proposes a new generation of NLIS with independent function of LightCube module which use light path plan to transmit light through free space. First, use simulation software to judge all ideas and design concepts to determine their feasibility and complete the preliminary structure, and then use commercially available optical components to build a prototype of the LightCube NLIS system. Analyze and compare the data obtained through the actual operation of the LightCube NLIS system prototype and the data during simulation. These data and information are not only important information for the future design and development of special accessories, but also the evaluation basis for future commercial mass production.

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