M394572 五、新型說明： 【新型所屬之技術領域】 本創作提供一種防污透氣裝置，特別涉及一種聚光型 太陽能電池模組内的容置槽及透氣元件。 【先前技術】M394572 V. New description: [New technical field] The present invention provides an anti-fouling and venting device, in particular, a accommodating groove and a venting element in a concentrating solar cell module. [Prior Art]
按，傳統之聚光型太陽能電池模組，一般是由反射鏡 及聚光型太陽能電池(Concentrator Photovoltaic，CPV)組配 而成’通常是在一殼體内形成一聚光用腔室，該聚光型太 陽能電池係設於腔室内’且反射鏡係配置於腔室頂部的殼 體壁面上，以反射外界太陽光至腔室内，令聚光型太陽能 電池接受反射鏡反射之太陽光照射而發電；此外，目前利 用反射鏡聚光的作法’包括有利用菲涅爾透鏡（Fresnel Lenes)及蓋赛格林式（Cassegrain)光學系統等。 且知，上述聚光型太陽能電池的主要材料為砷化鎵 (GaAs)，也就是三五族(III_V)材料，一般採用矽晶材料製成 的太陽能電池只能吸收太陽光譜中斗㈧〜込仞加瓜波長的能 量，而聚光型不同於矽晶圓太陽能技術，可透過多接面化 合物半‘體吸收較寬廣的太陽光譜能量，且聚光型太陽能 電池的耐熱性比一般晶圓型太陽能電池又來的高；因此， 可通過使錄大面積的反射鏡將外界太陽光聚焦至較小面 積的聚光型太陽能電池上，來提高太陽能的發電效率，並 Μ電池㈣㈣L聚焦之太陽光容易在腔室内產 生南溫’因此需即時對腔室進行散熱，㈣免溫度升高而 降低太陽能的發電效率。 現有之聚光型太陽能電池模組技街，可見揭露於臺灣 3 M394572 公開第200924213號專利案中，其利用反射鏡將太陽光反 射至腔室内，並聚焦於聚光型太陽能電池上，而使聚光型 太陽能電池發電，同時藉由連通腔室與外界大氣的透氣孔 來排除太陽光聚焦所產生的高溫；惟其缺點在於，該腔室 内空氣的冷、熱變化，容易吸引外界灰塵進入腔室中堆積， 導致於長期使用後造成腔室散熱不良的問題，並影響太陽 能的發電效率，亟需加以改善。 【新型内容】 本創作之目的在於針對聚光型太陽能電池模組，提供 一種具備防污能力的透氣裝置，以克服上述先前技術中因 吸入外界灰塵而導致散熱不良的問題。 為能實現上述之目的’本創作一聚光型太陽能電池模 紐之防污透氣裝置，包含： 一殼體，内部形成一腔室，該殼體頂部形成一可供太 陽光照射進入的窗口，而與該腔室相連通； 。一反射鏡’配置於該窗口 ’以間隔該腔室形成一聚光 11 ’且該反射鏡能夠反射外界太陽光進入該聚光區； ^ 〜太陽能電池晶片，配置於該腔室之聚光區内，接受 D亥反射鏡反射之太陽光照射而發電； ^ —容置槽’形成於該殼體内，並連通於該腔室與外界 大氣之間；及 = 〜可替換式透氣元件，填充於該容置槽内，而間隔於 該腔室與外界大氣之間。 據此’外界空氣可循環於該腔室與容置槽之間，並藉 $透氣元件過濾流通於該腔室、容置槽與外界大氣之間 4 M394572 的空氣，以避免外界灰塵進入腔室内堆積，進而提升腔室 之防污、透氣及散熱能力，以確保太陽能電池模組的正常 發電效率。其中， 所述容置槽位於該腔室外圍與該殼體内壁之間。 所述容置槽與該腔室之間連通有複數透氣孔。 所述殼體外壁與該容置槽之間連通有複數穿孔。 此外，本創作另一聚光型太陽能電池模組之防污透氣 裝置，包含： 一殼體，内部形成一腔室，該殼體頂部形成一可供太 陽光照射進入的窗口，而與該腔室相連通； 一反射鏡，配置於該窗口，以間隔該腔室形成一聚光 區，且該反射鏡能夠反射外界太陽光進入該聚光區； 一太陽能電池晶片，配置於該腔室之聚光區内，接受 該反射鏡反射之太陽光照射而發電； 一以上之透氣孔，形成於該殼體上，並連通於該腔室 與外界大氣之間；及 一以上之金屬粉末燒結而成的透氣元件，銜接該透氣 孔，而間隔於該腔室與外界大氣之間。 據此，經由該透氣元件過濾流通於該腔室與外界大氣 之間的空氣，以避免外界灰塵進入腔室内堆積，進而提升 腔室之防污、透氣及散熱能力，以確保太陽能電池模組的 正常發電效率。 除此之外，本創作也包含： 所述反射鏡以弧凹形態向下方伸入該腔室内，而於該 5 M394572 反射鏡上形成一朝向上方的弧凹狀反光面，該聚光區係位 於該窗口與該弧凹狀反光面之間。 所述窗口配置一輔助鏡，位於該反射鏡上方，該太陽 能電池晶片位於該弧凹狀反光面上，該反射鏡經由該弧凹 狀反光面反射外界太陽光照射該輔助鏡，且該辅助鏡上具 有一可接受該弧凹狀反光面反射之太陽光照射的弧凸狀反 . 光面，能夠反射太陽光照射該太陽能電池晶片；或者，所 述太陽能電池晶片鄰近該窗口，並位於該反射鏡之該弧凹 φ 狀反光面上方，該反射鏡經由該弧凹狀反光面反射外界太 陽光照射該太陽能電池晶片。 或者，所述反射鏡可為一菲涅爾透鏡。 所述透氣元件上具有多數微細通孔。 然而，為能明確且充分揭露本創作，併予列舉較佳實 施之圖例，以詳細說明其實施方式如後述： 【實施方式】 - 首觀圖1所示，揭示出本創作第一款實施例的立體分 • 解圖，並配合圖2說明本創作聚光型太陽能電池模組之防 污透氣裝置，包含一殼體1、一反射鏡2、一聚光型太陽能 電池晶片3、一容置槽14及一可替換式透氣元件4 ;該殼 體1内部形成一腔室11，且該殼體1頂部形成一可供太陽 光照射進入的窗口 12，而與該腔室11相連通。該反射鏡2 係呈弧凹狀，並配置於該窗口 12，且反射鏡2中央以弧凹 形態向下方伸入該腔室11内，而於該反射鏡2頂部形成一 朝向上方的弧凹狀反光面21，且間隔該腔室11形成一聚光 區13，位於該窗口 12與弧凹狀反光面21之間，該反射鏡 6 M394572 2之弧凹狀反光面21能夠反射外界太陽光進入該聚光區 13 ° 該窗口設有一透鏡6(如圖1及圖2所示），位於該反 射鏡2頂部’該透鏡6可由玻璃或聚光膠材構成，且窗口 12中央並配置有一辅助鏡$，位於該透鏡6中央底面，並 位於該反射鏡2之弧凹狀反光面21中央上方的聚光區13 • 内’該太陽能電池晶片3係配置於該腔室11之聚光區13 内’並位於該弧凹狀反光面21中央，該反射鏡2之反射面 • 積係大於該輔助鏡5的反射面積，且辅助鏡5之反射面積 係大於該太陽能電池晶片3接收太陽熱輻射能的面積，而 使該反射鏡2、辅助鏡5及太陽能電池晶片3之間配置形成 一蓋赛格林式光學系統；如此，該反射鏡2能夠經由該弧 凹狀反光面21反射外界太陽光照射該輔助鏡5，且輔助鏡 5底部具有一朝向下方的弧凸狀反光面51，能夠接受該弧 凹狀反光面21反射之太陽光照射，並能夠反射太陽光照射 . 該太陽能電池晶片3,致使太陽能電池晶片3接受該反射鏡 φ 2及輔助鏡5反射之太陽光照射而發電。 該容置槽14係形成於該殼體1内（如圖1及圖2所 示），並位於腔室11外圍與殼體1内壁之間，且容置槽14 連通於該腔室11與外界大氣之間；實際上’該容置槽14 可位於腔室11底部的殼體1内’且容置槽14與腔室11之 間連通有複數透氣孔15。所述殼體1底部外壁與容置槽Μ 之間連通有複數穿孔161 ;實際上，該容置槽14於殻體1 底部形成一槽口 141，且槽口 14丨結合一底蓋I6，所述穿 孔161係形成於底蓋16上’而位於殼體1底部外壁。該透 7 M394572 氣元件4係填充於該容置槽14内’而間隔於該腔室u與外 界大氣之間，且透氣元件4上具有多數可供空氣流通的微 細通孔41 ;實施上’該透氣元件4可由透氣之海棉、不織 布、金屬或非金屬遽網等材料構成，而形成絲網或溝槽結 構，致使所述通孔41、41a呈網孔狀或圓孔狀（如圖3所示）。 藉由上述，可供據以實施本創作，特別是當太陽光照 -射該殼體1頂面時（如圖2所示）’太陽光線7能夠通過該 透鏡6照射該反射鏡2之弧凹狀反光面21，且弧凹狀反光 # 面21會反射所述太㈤光線7照射該辅助鏡5之弧凸狀反光 面51 ’同時該旅凸狀反光面51會反射所述太陽光線7照射 太陽能電池晶片3 ’致使太陽能電池晶片3發電；期間，外 界空氣可經由所述透氣孔15、穿孔ι61及透氣元件4的通 孔41循環於該腔室11與容置槽14之間，同時藉由透氣元 件4過濾流通於腔室11、容置槽14與外界大氣之間的空 氣，以避免外界灰塵進入腔室11内堆積。當透氣元件4附 著過多灰塵時，可將底蓋16自殼體1底部取下，並便更換 • 該透氣元件4，而使透氣元件4具備可隨時替換的便利性； 據此，以提升腔室11之防污、透氣及散熱能力，進而確保 太陽能電池模組的正常發電效率。 此外，由於該透氣元件谷易雙到腔室1 1内冷、熱環境 的影響而老化變質；因此’在另一具體的實施I，^可省 略上述殼體1内的容置槽及底蓋（如圖4所示），該殼體J 底部形成一以上之透氣孔15,而使所述透氣孔15連通於該 腔至11與外界大氣之間，並配置一以上之金屬粉末燒結而 成的圓柱狀透氣元件8於殼體i底部，且所述透氣元件8 8 係銜接該透氣孔15,而間隔於該腔室u盥外界大氣之間； 實際上，所述透氣元件8可螺組於該遷氣孔15上，而裸露 於殻體1底部；或者，所述透氣元件8亦可經由一導氣管 ^銜接透氣孔15。據此，經由該透氣元件8過遽流通於該 腔室11與外界大氣之_空氣’，免外界錢進入腔室 U内堆積，除了能夠提升腔t 11之防污、透氣及散熱能力 -从外，更加能夠提升所述透氣元件8的耐久使用壽命，其 • 餘構件組成及實施方式係等同於上迷實施例。 % 參閱圖5所示，揭示出本創作第二款實施例的剖示 ® ’說明其於上述第-款實施例相異之處在於，該反射鏡 &可為ϋ里爾透鏡’並省略上述透鏡6及辅助鏡5等構 ，，該反射鏡2a下方的腔室11形成該聚光區13，且太陽 月電池晶片3位於反射鏡2a中央下方的腔室η内壁面上， ^反射鏡2a之反射面積係大於該太陽能電池晶片3接收太 陽熱輻射能的面積；如此，當太陽光照射該殼體丨頂面時， - 太陽光線7會接受該反射鏡2a折射，而使所述太陽光線7 φ 照射太陽能電池晶片3，致使太陽能電池晶片3發電，其餘 構件組成及實施方式係等同於上述第一款實施例。 請參閱圖6所示，揭示出本創作第三款實施例的剖示 圖’說明其於上述第一款實施例相異之處在於，省略上述 輔助鏡5’該太陽能電池晶片3位於該透鏡6中央底面，而 鄰近該窗口 12 ’且太陽能電池晶片3位於該反射鏡2之弧 凹狀反光面21中央上方的聚光區13内，該反射鏡2之反 射面積係大於該太陽能電池晶片3接收太陽熱輻射能的面 積；如此’當太陽光照射該殼體1頂面時，太陽光線7能 9 M394572 夠通過透鏡6照射反射鏡2之弧凹狀反光面21，且反射鏡 2經由弧凹狀反光面21反射所述太陽光線7照射該太陽能 電池晶片3，致使太陽能電池晶片3發電，其餘構件組成及 實施方式係等同於上述第一款實施例。 綜上所陳，僅為本創作之較佳實施例而已，並非用以 限定本創作；凡其他未脫離本創作所揭示之精神下而完成 的等效修飾或置換，均應包含於後述申請專利範圍内。 【圖式簡單說明】 圖1 :為本創作第一款實施例的立體分解圖。 圖2 :為圖1實施例的剖示圖。 圖3 :為本創作之透氣元件的立體圖。 圖4 :為圖2實施例之附加實施型態的剖不圖。 圖5 :為本創作第二款實施例的剖示圖。 圖6 :為本創作第三款實施例的剖示圖。 【主要元件符號說明】 1 殼體 11 腔室 12 窗口 13 聚光區 14 容置槽 141 槽口 15 透氣孔 16 底蓋 161 穿孔 M394572 2 ' 2a 反射鏡 21 弧凹狀反光面 3 太陽能電池晶片 4、8 透氣元件 41、41a 通孔 5 輔助鏡 51 弧凸狀反光面 6 透鏡 7 太陽光線 81 導氣管According to the conventional concentrating solar cell module, generally composed of a mirror and a concentrating solar cell (CPV), a cavity for forming a light is generally formed in a casing. The concentrating solar cell is disposed in the chamber and the mirror is disposed on the wall of the casing at the top of the chamber to reflect the external sunlight into the chamber, so that the concentrating solar cell is exposed to the sunlight reflected by the mirror. In addition, the current practice of concentrating with mirrors includes the use of Fresnel lenses and the Cassegrain optical system. It is also known that the main material of the above concentrating solar cell is gallium arsenide (GaAs), which is a three-five (III_V) material, and a solar cell generally made of a twinned material can only absorb the solar spectrum (eight) ~ 込The energy of the melon wavelength is different, and the concentrating type is different from the silicon technology of the silicon wafer, which can absorb a wide solar spectrum energy through the multi-contact compound, and the heat resistance of the concentrating solar cell is higher than that of the general wafer type. The solar cell is high again; therefore, the solar power generation efficiency can be improved by focusing a large-area mirror to focus the outside sunlight on a small area of the concentrating solar cell, and the battery (4) (4) L-focused sunlight It is easy to generate south temperature in the chamber. Therefore, it is necessary to heat the chamber immediately. (4) The temperature is raised to reduce the power generation efficiency of solar energy. The existing concentrating solar cell module technology street can be seen in the case of Taiwan Patent No. 200924213, which uses a mirror to reflect sunlight into a chamber and focuses on a concentrating solar cell. The concentrating solar cell generates electricity while eliminating the high temperature generated by the focusing of the sunlight by connecting the venting holes of the chamber and the outside atmosphere; but the disadvantage is that the cold and heat of the air in the chamber easily attract external dust into the chamber. The accumulation in the middle causes the problem of poor heat dissipation of the chamber after long-term use, and affects the power generation efficiency of the solar energy, and needs to be improved. [New content] The purpose of the present invention is to provide a ventilating device having an antifouling ability for a concentrating solar cell module, which overcomes the problem of poor heat dissipation caused by inhalation of external dust in the above prior art. The antifouling and venting device of the concentrating solar cell module of the present invention comprises: a casing, a chamber is formed inside, and a top of the casing forms a window for sunlight to enter, And connected to the chamber; a mirror 'arranged in the window' to form a concentrating light 11' from the chamber and the mirror is capable of reflecting external sunlight entering the concentrating area; ^ ～ a solar cell wafer disposed in the concentrating area of the chamber Internally, the solar light reflected by the D-hai mirror is irradiated to generate electricity; ^ - the receiving groove is formed in the casing and communicates between the chamber and the outside atmosphere; and = 〜 replaceable gas permeable element, filled In the accommodating groove, spaced between the chamber and the outside atmosphere. According to this, the outside air can circulate between the chamber and the accommodating groove, and the air flowing through the chamber, the accommodating groove and the outside atmosphere is filtered by the gas permeable element to prevent external dust from entering the chamber. Stacking, thereby improving the anti-fouling, venting and heat dissipation capabilities of the chamber to ensure the normal power generation efficiency of the solar cell module. The accommodating groove is located between the outer wall of the cavity and the inner wall of the casing. A plurality of vent holes are connected between the accommodating groove and the chamber. A plurality of perforations are communicated between the outer wall of the casing and the receiving groove. In addition, the anti-fouling and venting device of another concentrating solar cell module of the present invention comprises: a casing, a chamber is formed therein, and a window is formed on the top of the casing to be irradiated with sunlight, and the cavity is formed The chamber is connected to each other; a mirror is disposed in the window to form a concentrating area at intervals, and the mirror is capable of reflecting external sunlight into the concentrating area; a solar cell wafer disposed in the chamber In the concentrating region, the solar light reflected by the mirror is irradiated to generate electricity; one or more vent holes are formed in the casing and communicated between the chamber and the outside atmosphere; and more than one metal powder is sintered The venting element is connected to the venting opening and spaced between the chamber and the outside atmosphere. Accordingly, the air flowing between the chamber and the outside atmosphere is filtered through the gas permeable element to prevent external dust from entering the chamber, thereby improving the antifouling, venting and heat dissipation capability of the chamber to ensure the solar battery module. Normal power generation efficiency. In addition, the present invention also includes: the mirror extends downward into the chamber in an arc concave shape, and forms an upwardly facing arc-shaped reflective surface on the 5 M394572 mirror, the concentrating area Located between the window and the concave reflective surface of the arc. The window is disposed with an auxiliary mirror disposed above the mirror, the solar cell wafer is located on the concave reflective surface of the arc, and the mirror reflects external sunlight through the concave reflective surface of the arc to illuminate the auxiliary mirror, and the auxiliary mirror An arc-shaped convex surface having an illumination of the sunlight reflected by the concave reflective surface of the arc, capable of reflecting sunlight to illuminate the solar cell wafer; or the solar cell wafer is adjacent to the window and located at the reflection The arc is concave above the φ-shaped reflecting surface, and the mirror reflects external solar light to illuminate the solar cell wafer via the concave concave reflecting surface. Alternatively, the mirror can be a Fresnel lens. The gas permeable element has a plurality of fine through holes. However, in order to clearly and fully disclose the present invention, and to illustrate the preferred embodiment, the embodiment will be described in detail as follows: [Embodiment] - First, as shown in FIG. 1, the first embodiment of the present invention is disclosed. The three-dimensional sub-resolution diagram, together with Figure 2, illustrates the anti-fouling and venting device of the concentrating solar cell module of the present invention, comprising a casing 1, a mirror 2, a concentrating solar cell wafer 3, and an accommodating a groove 14 and a replaceable gas permeable member 4; a cavity 11 is formed inside the casing 1, and a window 12 for allowing sunlight to enter is formed at the top of the casing 1 to communicate with the chamber 11. The mirror 2 is arc-shaped and disposed in the window 12, and the center of the mirror 2 extends downward into the chamber 11 in an arc concave shape, and an upwardly facing arc concave is formed on the top of the mirror 2. Reflecting surface 21, and spacing the chamber 11 to form a concentrating area 13 between the window 12 and the arc-shaped reflective surface 21, the arc-shaped reflective surface 21 of the mirror 6 M394572 2 can reflect the outside sunlight Entering the concentrating area 13 ° The window is provided with a lens 6 (shown in FIGS. 1 and 2 ) located at the top of the mirror 2 . The lens 6 can be made of glass or concentrating glue, and the window 12 is centrally disposed. The auxiliary mirror $ is located at the central bottom surface of the lens 6 and is located in the concentrating area 13 above the center of the arc-shaped reflective surface 21 of the mirror 2. The solar cell wafer 3 is disposed in the concentrating area of the chamber 11. 13 is 'located in the center of the arc-shaped reflective surface 21, the reflecting surface of the mirror 2 is larger than the reflecting area of the auxiliary mirror 5, and the reflecting area of the auxiliary mirror 5 is larger than the solar cell wafer 3 receiving solar heat radiation Energy area, so that the mirror 2, auxiliary mirror 5 and too The galvanic cell wafer 3 is arranged to form a Geisell Green optical system; thus, the mirror 2 can reflect external sunlight through the arc concave reflecting surface 21 to illuminate the auxiliary mirror 5, and the auxiliary mirror 5 has an orientation at the bottom. The lower arc-shaped reflecting surface 51 can receive the sunlight reflected by the arc-shaped concave reflecting surface 21 and can reflect the sunlight. The solar cell wafer 3 causes the solar cell wafer 3 to receive the mirror φ 2 and the auxiliary. The mirror 5 reflects sunlight and generates electricity. The accommodating groove 14 is formed in the casing 1 (as shown in FIGS. 1 and 2), and is located between the periphery of the chamber 11 and the inner wall of the casing 1, and the accommodating groove 14 communicates with the chamber 11 and Between the outside atmospheres; in fact, the accommodating groove 14 can be located in the casing 1 at the bottom of the chamber 11 and a plurality of venting holes 15 are communicated between the accommodating groove 14 and the chamber 11. A plurality of through holes 161 are formed between the bottom outer wall of the casing 1 and the receiving groove; in fact, the receiving groove 14 forms a notch 141 at the bottom of the casing 1, and the notch 14 is coupled with a bottom cover I6. The perforations 161 are formed on the bottom cover 16 and are located on the outer wall of the bottom of the casing 1. The through-hole 7 M394572 gas element 4 is filled in the accommodating groove 14 and spaced between the chamber u and the outside atmosphere, and the gas permeable member 4 has a plurality of fine through holes 41 through which air can flow; The gas permeable member 4 may be made of a material such as a breathable sponge, a non-woven fabric, a metal or a non-metal mesh, and a mesh or groove structure is formed, so that the through holes 41, 41a are mesh-shaped or round-hole-shaped (as shown in the figure). 3)). By the above, the present invention can be implemented, in particular, when the sun shines on the top surface of the casing 1 (as shown in FIG. 2), the solar ray 7 can illuminate the arc of the mirror 2 through the lens 6. a reflective surface 21, and the arc-shaped reflective surface #21 reflects the illuminating surface 51 of the auxiliary mirror 5, and the convex convex reflecting surface 51 reflects the solar ray 7 The solar cell wafer 3' causes the solar cell wafer 3 to generate electricity; during which the outside air can circulate between the chamber 11 and the accommodating groove 14 through the vent hole 15, the perforation ι61, and the through hole 41 of the gas permeable member 4, while borrowing The air flowing between the chamber 11, the accommodating groove 14 and the outside atmosphere is filtered by the permeable member 4 to prevent external dust from entering the chamber 11. When the venting member 4 is attached with excessive dust, the bottom cover 16 can be removed from the bottom of the casing 1 and the venting member 4 can be replaced, so that the venting member 4 can be replaced at any time; accordingly, the lifting chamber is used. The anti-fouling, venting and heat-dissipating capabilities of the chamber 11 ensure the normal power generation efficiency of the solar cell module. In addition, due to the influence of the cold and hot environment in the chamber 1 1 , the gas permeable element aging deteriorates; therefore, in another specific implementation I, the accommodating groove and the bottom cover in the housing 1 can be omitted (eg As shown in FIG. 4, more than one venting hole 15 is formed in the bottom of the casing J, and the venting hole 15 is communicated between the cavity 11 and the outside atmosphere, and more than one cylinder formed by sintering the metal powder is disposed. a gas permeable member 8 at the bottom of the casing i, and the gas permeable member 8 8 is engaged with the gas permeable hole 15 and spaced between the atmosphere and the outside atmosphere; in fact, the gas permeable member 8 can be screwed into the The gas venting hole 15 is exposed to the bottom of the casing 1; or the gas permeable member 8 can also be connected to the venting hole 15 via an air pipe. According to this, the ventilating element 8 circulates through the chamber 11 and the atmosphere of the outside air, so that the outside money can be accumulated in the chamber U, in addition to improving the anti-fouling, venting and heat-dissipating ability of the chamber t11. In addition, the durable service life of the gas permeable member 8 can be further improved, and the remaining component composition and embodiment are equivalent to the above embodiments. % Referring to Fig. 5, the section of the second embodiment of the present invention is disclosed. 'Description is different from the above-mentioned embodiment - the mirror & can be a ϋLil lens' and is omitted. The lens 6 and the auxiliary mirror 5 are configured such that the chamber 11 under the mirror 2a forms the concentrating area 13, and the solar cell wafer 3 is located on the inner wall surface of the chamber η below the center of the mirror 2a, ^ mirror The reflection area of 2a is larger than the area in which the solar cell wafer 3 receives the solar heat radiation energy; thus, when the sunlight illuminates the dome surface of the casing, - the solar ray 7 is refracted by the mirror 2a, and the solar ray is made 7 φ illuminates the solar cell wafer 3, causing the solar cell wafer 3 to generate electricity, and the remaining components and embodiments are equivalent to the first embodiment described above. Referring to FIG. 6, a cross-sectional view of the third embodiment of the present invention is disclosed. The description of the first embodiment is different in that the auxiliary mirror 5' is omitted. The solar cell wafer 3 is located in the lens. a central bottom surface adjacent to the window 12 ′ and the solar cell wafer 3 is located in the concentrating region 13 above the center of the arc-shaped reflective surface 21 of the mirror 2 , the reflective area of the mirror 2 being greater than the solar cell wafer 3 Receiving the area of solar thermal radiant energy; such that when sunlight illuminates the top surface of the casing 1, the solar ray 7 can 9 M394572 illuminate the arc-shaped concave reflecting surface 21 of the mirror 2 through the lens 6, and the mirror 2 is concavely curved The reflective surface 21 reflects the solar ray 7 to illuminate the solar cell wafer 3, causing the solar cell wafer 3 to generate electricity. The remaining components and embodiments are equivalent to the first embodiment described above. In summary, it is only a preferred embodiment of the present invention, and is not intended to limit the present invention; any equivalent modification or replacement that is not done in the spirit of the present disclosure should be included in the patent application described later. Within the scope. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of the first embodiment of the present invention. Figure 2 is a cross-sectional view of the embodiment of Figure 1. Figure 3: A perspective view of the venting element of the present invention. Figure 4 is a cross-sectional view showing an additional embodiment of the embodiment of Figure 2. Figure 5 is a cross-sectional view showing the second embodiment of the present invention. Figure 6 is a cross-sectional view showing a third embodiment of the present creation. [Main component symbol description] 1 Housing 11 Chamber 12 Window 13 Condensing zone 14 accommodating groove 141 Notch 15 Ventilation hole 16 Bottom cover 161 Perforation M394572 2 ' 2a Mirror 21 Arc concave reflective surface 3 Solar cell wafer 4 , 8 venting elements 41, 41a through hole 5 auxiliary mirror 51 arc convex reflective surface 6 lens 7 solar light 81 air duct