TWI490546B - 雙色鏡、陽光收集裝置及太陽能裝置 - Google Patents
雙色鏡、陽光收集裝置及太陽能裝置 Download PDFInfo
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Description
本發明涉及太陽能技術領域,尤其涉及一種雙色鏡、陽光收集裝置及太陽能裝置。
太陽光因具有取之不盡、用之不竭的優點,日益為人類收集利用,例如運用太陽能電池發電。太陽光的能量主要集中於380至2000奈米。習知陽光收集裝置的感測器未能感測前述能量段的所有太陽光,導致大量太陽光未能被收集,太陽能利用率較低。
為提高太陽光收集率,最大化地利用太陽能,有必要提供一種雙色鏡、一種陽光收集裝置及一種太陽能收集裝置,將太陽光光譜分為兩不同波段,以設置兩感測器來分別感測與之對應的該波段的太陽光。
該雙色鏡包括第一透明基底及依序疊層於該第一透明基底的複數第一介電質薄膜、透明黏膠層、複數第二介電質薄膜與第二透明基底。該雙色鏡的截面呈拋物線狀。該雙色鏡用於將照射至該第二透明基底的陽光分為兩不同波長範圍的光線,一部份光線被該複數第一介電質薄膜反射,並自該第二透明基底射出,其餘部份光線穿過該雙色鏡,並自該第一透明基底射出。
該陽光收集裝置包括前述雙色鏡及一反射件。該反射件具有朝向該第一透明基底的反射面,該反射面呈拋物面,用於完全反射該其餘部份光線。
該太陽能裝置包括前述雙色鏡、一第一感測器、前述反射件,及一第二感測器。該第一感測器與該第二感測器分別設於該雙色鏡與該反射件的焦點,分別用於感測該部份光線及其餘光線。
該雙色鏡利用黏膠層黏結第一介電質薄膜與第二介電質薄膜,達成應力分散,防止了第一介電質薄膜與第二介電質薄膜分別從第一透明基底與第二透明基底破裂、脫落。另,第一透明基底及第二透明基底隔絕空氣中的水氣進入第一介電質薄膜與第二介電質薄膜而腐蝕後二者,從而延長了雙色鏡的使用壽命。
該太陽能裝置採用該雙色鏡將太陽光分為兩不同波長範圍內的光線,並設置兩感測器來分別感測與之對應的該波段的太陽光,達成分波段收集陽光,從而提高陽光收集率及利用率。
100‧‧‧雙色鏡
10‧‧‧第一透明基底
20‧‧‧第一介電質薄膜
30‧‧‧黏膠層
40‧‧‧第二介電質薄膜
50‧‧‧第二透明基底
60‧‧‧反射件
61‧‧‧反射面
200‧‧‧太陽能裝置
250‧‧‧陽光收集裝置
300‧‧‧第一感測器
400‧‧‧第二感測器
500‧‧‧光纖
600‧‧‧太陽能電池
圖1為本技術方案一實施方式提供的雙色鏡及反射件的剖視圖及太陽光照射至該雙色鏡後的光路圖。
圖2為本技術方案一實施方式提供的太陽能收集裝置的示意圖,該太陽能收集裝置包括該雙色鏡及該反射件。
以下結合附圖及具體實施方式對本技術方案提供的雙色鏡、陽光收集裝置及太陽能裝置進行詳細說明。
參見圖1,本技術方案一實施方式提供的雙色鏡100截面呈拋物線
狀,包括第一透明基底10及依序疊層於該第一透明基底10的複數第一介電質薄膜20、一透明黏膠層30、複數第二介電質薄膜40與第二透明基底50。
第一透明基底10及第二透明基底50皆為透明軟質塑膠薄膜,舉例而言,可為聚萘二甲酸乙二醇酯(PEN)、聚對苯二甲酸乙二醇酯(PET)、聚丙烯(PP)或本領域常用透明塑膠。
該複數第一介電質薄膜20及複數第二介電質薄膜40分別藉由化學沈積、物理蒸鍍或真空蒸鍍等方法分別形成於該第一透明基底10與該第二透明基底50表面。離該第一透明基底10最遠的最外層第一介電質薄膜20及離該第二透明基底50最遠的最外層第二介電質薄膜40分別藉由壓合製程壓合於該透明黏膠層30的兩相背表面,並藉由該透明黏膠層30提供的黏結力得以固定。第一介電質薄膜20及第二介電質薄膜40的材質可選自五氧化二鈮、五氧化二鉈、二氧化鈦、二氧化矽、三氧化二鋁或本領域常用的介電質薄膜。該第一介電質薄膜20及第二介電質薄膜40的層數可介於15至40層,每層第一介電質薄膜20與每層第二介電質薄膜40的厚度可介於55至125奈米。
當太陽光B照射至第二透明基底50表面,屬於380至2000奈米波長範圍內的太陽光將被分為兩不同波長範圍的光線。其中一部份太陽光B1穿過該第二透明基底50,被該複數第二介電質薄膜40完全反射,自第二透明基底50表面射出。其餘部份太陽光B2則依序穿過該複數第二介電質薄膜40、黏膠層30、該複數第一介電質薄膜20,並自該第一透明基底10射出。
該雙色鏡100中,黏膠層30黏結第一介電質薄膜20與第二介電質
薄膜40,達成應力分散,避免了應力集中於第一透明基底10或第二透明基底50,可防止第一介電質薄膜20與第二介電質薄膜40分別從第一透明基底10與第二透明基底50破裂、脫落。另,第一透明基底10及第二透明基底50隔絕空氣中的水氣進入第一介電質薄膜20與第二介電質薄膜40而腐蝕後二者,從而可延長雙色鏡100的使用壽命。
以下以應用雙色鏡100為例,說明本技術方案提供的陽光收集裝置及太陽能裝置。
參見圖1至2,本技術方案一實施方式提供的太陽能裝置200包括陽光收集裝置250及太陽能電池600。
該太陽能電池600具有本領域太陽能電池典型結構,於此不再贅述。該陽光收集裝置250用於收集太陽光,並將收集到的太陽光傳輸至該太陽能電池600的表面,以利用光伏效應藉由該太陽能電池600獲得電能。具體地,該陽光收集裝置250包括雙色鏡100、反射件60、第一感測器300、第二感測器400及光纖500。
參見圖1至圖2,反射件60設於雙色鏡100的光路輸出路徑,具有反射面61。該反射面61呈拋物面狀,朝向雙色鏡100的第一透明基底10。該反射面61用於完全反射自第一透明基底10射出的太陽光B2。反射件60可為本領域常用反射元件。
第一感測器300設於雙色鏡100的焦點,用於感測由該複數第二介電質薄膜40反射的太陽光B1。該第二感測器400設於該反射件60的焦點,用於感測由該反射件60反射的太陽光B2。第一感測器300與第二感測器400藉由光纖500與太陽能電池600相連。由此,
太陽光介於380至2000奈米波段的能量全部被傳輸至該太陽能電池600,提高了太陽光收集率及利用率。
綜上所述,本發明確已符合發明專利之要件,遂依法提出專利申請。惟,上述者僅為本發明之較佳實施方式,自不能以此限製本案之申請專利範圍。舉凡熟悉本案技藝之人士援依本發明之精神所作之等效修飾或變化,皆應涵蓋於以下申請專利範圍內。
200‧‧‧太陽能裝置
250‧‧‧陽光收集裝置
100‧‧‧雙色鏡
300‧‧‧第一感測器
60‧‧‧反射件
61‧‧‧反射面
400‧‧‧第二感測器
500‧‧‧光纖
600‧‧‧太陽能電池
Claims (10)
- 一種雙色鏡,包括第一透明基底及依序疊層於該第一透明基底的複數第一介電質薄膜、透明黏膠層、複數第二介電質薄膜與第二透明基底,該雙色鏡的截面呈拋物線狀,該雙色鏡用於將照射至該第二透明基底的陽光分為兩不同波長範圍的光線,其中一部份光線被該複數第一介電質薄膜反射,並自該第二透明基底射出,其餘部份光線穿過該雙色鏡,並自該第一透明基底射出。
- 如申請專利範圍第1項所述的雙色鏡,其中,該第一透明基底及該第二透明基底為截面呈拋物線狀的透明軟質塑膠薄膜。
- 如申請專利範圍第1項所述的雙色鏡,其中,該第一介電質薄膜及該第二介電質薄膜的材質選自五氧化二鈮、五氧化二鉈、二氧化鈦、二氧化矽或三氧化二鋁。
- 如申請專利範圍第1項所述的雙色鏡,其中,該雙色鏡包括15至40層該第一介電質薄膜及15至40層該第二介電質薄膜,每層第一介電質薄膜與每層第二介電質薄膜的厚度介於55至125奈米。
- 一種陽光收集裝置,包括一雙色鏡及一反射件,該雙色鏡包括第一透明基底及依序疊層於該第一透明基底的複數第一介電質薄膜、透明黏膠層、複數第二介電質薄膜與第二透明基底,該雙色鏡的截面呈拋物線狀,該雙色鏡用於將照射至該第二透明基底的陽光分為兩不同波長範圍的光線,其中一部份光線被該複數第一介電質薄膜反射,並自該第二透明基底射出,其餘部份光線穿過該雙色鏡,並自該第一透明基底射出,該反射件具有朝向該第一透明基底的反射面,該反射面為拋物面,用於完全反射該其餘部份光線。
- 如申請專利範圍第5項所述的陽光收集裝置,其中,該第一透明基底及該第二透明基底為截面呈拋物線狀的透明軟質塑膠薄膜。
- 如申請專利範圍第5項所述的陽光收集裝置,其中,該第一介電質薄膜及該第二介電質薄膜的材質選自五氧化二鈮、五氧化二鉈、二氧化鈦、二氧化矽或三氧化二鋁。
- 如申請專利範圍第5項所述的陽光收集裝置,其中,該雙色鏡包括15至40層該第一介電質薄膜及15至40層該第二介電質薄膜,每層第一介電質薄膜與每層第二介電質薄膜的厚度介於55至125奈米。
- 一種太陽能裝置,包括一雙色鏡、一第一感測器、一反射件,及一第二感測器,該雙色鏡包括第一透明基底及依序疊層於該第一透明基底的複數第一介電質薄膜、透明黏膠層、複數第二介電質薄膜與第二透明基底,該雙色鏡的截面呈拋物線狀,該雙色鏡用於將照射至該第二透明基底的陽光分為兩不同波長範圍的光線,其中一部份光線被該複數第一介電質薄膜反射,並自該第二透明基底射出,其餘部份光線穿過該雙色鏡,並自該第一透明基底射出,該反射件具有朝向該第一透明基底的反射面,該反射面呈拋物面,用於完全反射該其餘部份光線,該第一感測器與該第二感測器分別設於該雙色鏡與該反射件的焦點,分別用於感測該部份光線及該其餘部分光線。
- 如申請專利範圍第9項所述的太陽能裝置,其中,該太陽能裝置還包括光纖與太陽能電池,該光纖與該第一感測器、該第二感測器及該太陽能電池相連,用於將該部份光線及該其餘部分光線傳輸至該太陽能電池並照射該太陽能電池。
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