201213777 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種光能測量裝置，尤其係一種測量光能量 分佈均勻度之測量裝置。 【先前技術】 [0002] 通常，先前技術之一種聚焦式太陽能發電裝置採用聚焦 之方式將太陽光之光能密度成倍提高後，再照射於太陽 能電池單元，例如單晶矽片，借此在較小面積之太陽能 電池單元上獲得較大之電流，從而提高太陽能電池之光電 〇 轉換效率。但是，該種太陽能發電裝置對太陽光聚焦後 產生之光能分佈會受到太陽光照射方向之影響，且太陽 光聚焦後之光斑面積較小，先前技術之光能測量裝置較 難測量太陽光聚焦之後於光斑處之能量分佈。 【發明内容】 [0003] 下面將以具體實施例來說明一種使用方便之發光二極體 封裝結構。 〇 [0004] 一種光能測量裝置，其包括沿光軸依次設置之平行光發 射器、菲涅爾透鏡、光纖陣列，以及光能測量儀。該光 纖陣列包括複數相鄰設置之光纖，每一光纖相對兩端分 別包括一入光面和一出光面。該複數光纖之入光面於該 菲涅爾透鏡之焦點處共面並定義一光能入射面。該複數 光纖之出光面共面並定義一光能出射面。該光能測量儀 包括光能探頭和連接該光能探頭之測量單元。該光能探 頭同該光能出射面光學耦合。該平行光發射器所發出之 平行光線經菲涅爾透鏡彙聚後至少照射部分該光能入射 099132268 表單編號A0101 第5頁/共15頁 0992056484-0 201213777 面。該光能測量儀用於感測並計算該光纖陣列光能入射 面之光能分佈。 [0005] 相較於先前技術，本發明之光能測量裝置採用細小之光 纖彙聚成之光纖陣列對平行光聚集後之光能分佈進行測 量，可以較為準媒之測量太陽光聚焦後之能量分佈。 【實施方式】 [0006] 下面將結合附圖與實施方式對本技術方案之光能測量裝 置作進一步詳細說明。 [0007] 請參閱圖1，本發明第一實施方式之光能測量裝置1包括 沿光軸19依次設置之平行光發射器10、菲涅爾透鏡20、 光纖陣列30、光能測量儀40、轉動裝置50，以及角度調 整裝置60。 [0008] 該光纖陣列30包括複數相鄰設置之橫截面為圓形之柱狀 光纖31，每一光纖31之相對兩端分別包括一入光面32和 一出光面33。該複數光纖31之入光面32於該菲涅爾透鏡 20之焦點處共面並定義一光能入射面35。本實施方式中 ，該光能入射面3 5為條狀之長方形平面。該光能入射面 35垂直於該光軸19並關於光軸19對稱，其面積略小於平 行光線11經菲涅爾透鏡2 0彙聚後於其焦點處產生之光斑 之面積。該複數光纖31之出光面33共面並定義一光能出 射面3 6。 [0009] 本實施方式中，光能出射面36為條狀之長方形平面。本 實施方式中，該多條光纖31平行排列於同一平面，每一 光纖31延伸之方向與光轴1 9平行使得該多條光纖31關於 099132268 表單編號A0101 第6頁/共15頁 0992056484-0 201213777 光轴19對稱。每一光纖31除了入光面32和一出光面33之 外之表面設有反射膜37以提高光能傳輸之效率。替代實 施方式中，該每一光纖31之橫截面還可以為三角形、方 形，或其他預先設定之形狀。 [0010] 該光能測量儀40包括至少一光能探頭41和連接該光能探 頭41之測量單元42。該測量單元包括一顯示器43。該至 少一光能探頭41與該光能出射面36光學耦合，該平行光 發射器10所發出之平行光線11經菲涅爾透鏡20彙聚後至 少照射部分該光能入射面35。該光能測量儀40用於感測 並計算該光纖陣列30之光能出射面36之光能分佈。本實 施方式中，該光能測量儀40包括複數光能探頭41，每一 光能探頭41與一光纖31之出光面33光學耦合。該光能測 量儀40經由每一光能探頭41分別測量每一光纖31之出光 面33之能量，進而計算聚焦後之平行光11於該光能入射 面35所產生之光能分佈。該顯示器43根據該測量單元42 提供之資料顯示該光能入射面之光能分佈圖像。 [0011] 該轉動裝置50包括環套於該光纖陣列30週邊之第一齒輪 51、與該第一齒輪嚙合之第二齒輪52、以及驅動裝置53 。該驅動裝置53為一馬達，其驅動第二齒輪52轉動並帶 動該第一齒輪51同時轉動，進而驅動被固定於第一齒輪 51軸心位置之該光纖陣列30旋轉，以使光纖陣列30可以 固定於預先設定之位置，對平行光線經過菲涅爾透鏡20 彙聚後之能量分佈進行測試。 [0012] 該角度調整裝置60包括第一角度調整器61與第二角度調 整器62，該角度調整裝置6 0用於調整該平行光發射器10 099132268 表單編號A0101 第7頁/共15頁 0992056484-0 201213777 發出光線11相對於光軸19之夾角，以便於測試與光轴19 具有不同傾角之平行光線11經由菲涅爾透鏡20彙聚後於 該光能入射面35所產生之光能分佈。為了便於描述，建 立圖1中所示之三維直角坐標系（X，Y，Z)，其中光軸19 平行於Υ坐標轴設置，該平行光發射器10所發出之光線11 朝向Υ坐標軸方向。該第一角度調整器61調整該平行光發 射器10圍繞X坐標軸旋轉，該第二角度調整器62調整該平 行光發射器10圍繞Υ坐標軸旋轉。該第一角度調整器61與 第二角度調整器62相配合可以將平行光線11出射之方向 與光軸19之夾角調整到任意銳角。 [0013] 一實施方式中，當平行光發射器10發出光線11與光轴19 之夾角為零，即平行於Υ坐標軸時，平行光線11經由菲涅 爾透鏡20彙聚後於該光能入射面35所產生之光能分佈如 圖2所示。另一實施方式中，當平行光發射器10發出光線 11相對於光軸19之夾角為一銳角0時，平行光線11經由 菲涅爾透鏡20彙聚後於該光能入射面35所產生之光能分 佈如圖3所示。圖2和圖3中，X軸之座標代表光能入射面 35上任意一點之位置，單位為毫米；Υ轴之座標代表光能 入射面3 5上任意一點對應之光能大小，單位為瓦特。 [0014] 光能測量裝置1採用較為細小之光纖31彙聚成之光纖陣列 30對太陽光或者模擬太陽光之平行光11經過聚集後之光 能分佈進行測量，可以準確模擬並測量太陽光聚焦後之 於光斑處之能量分佈。 [0015] 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。先前技術，以上所述者僅為本發明之較佳 099132268 表單編號Α0101 第8頁/共15頁 0992056484-0 201213777 [0016] 實施方式，自不能以此限制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内。 【圖式簡單說明】 圖1係本發明光能測量裝置一實施方式之立體結構示意圖 〇 [0017] 圖2係係採用圖1所示光能測量裝置得到之光能分佈圖。 [0018] 〇 圖3係採用圖1所示光能測量裝置得到之另一光能分佈圖 〇 [0019] 【主要元件符號說明】 光能測量裝置：1 [0020] 平行光發射器：10 [0021] 光轴：1 9 [0022] 菲涅爾透鏡：20 光纖陣列：30 [0024] 光纖：31 [0025] 入光面：32 [0026] 出光面：33 [0027] 光能入射面：3 5 [0028] 光能出射面：3 6 [0029] 光能測量儀：40 099132268 表單編號A0101 第9頁/共15頁 0992056484-0 201213777 [0030] 光能探頭：41 [0031] 測量單元：42 [0032] 顯示器：4 3 [0033] 轉動裝置：50 [0034] 第一齒輪：51 [0035] 第二齒輪：52 [0036] 驅動裝置：53 [0037] 角度調整裝置：60 [0038] 第一角度調整器：61 [0039] 第二角度調整器：62 0992056484-0 099132268 表單編號A0101 第10頁/共15頁201213777 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a light energy measuring device, and more particularly to a measuring device for measuring uniformity of light energy distribution. [Prior Art] [0002] Generally, a focused solar power generation device of the prior art uses a focusing method to multiply the light energy density of sunlight, and then illuminates a solar cell unit, such as a single crystal chip, thereby A larger current is obtained on a smaller area of the solar cell unit, thereby improving the photoelectric conversion efficiency of the solar cell. However, the distribution of the light energy generated by the solar power generation device after focusing on the sunlight is affected by the direction of the sunlight, and the spot area after the sunlight is focused is small. The prior art light energy measuring device is difficult to measure the sunlight focus. Then the energy distribution at the spot. SUMMARY OF THE INVENTION [0003] A light-emitting diode package structure that is convenient to use will be described below by way of specific embodiments. 0004 [0004] A light energy measuring device comprising a parallel light emitter, a Fresnel lens, an optical fiber array, and a light energy meter arranged in sequence along an optical axis. The fiber array includes a plurality of adjacently disposed optical fibers, and each of the optical fibers includes a light incident surface and a light exit surface at opposite ends. The entrance face of the plurality of fibers is coplanar at the focus of the Fresnel lens and defines a light energy entrance face. The light exiting surfaces of the plurality of fibers are coplanar and define a light energy exit surface. The light energy meter includes a light energy probe and a measuring unit connected to the light energy probe. The light energy probe is optically coupled to the light exit surface. The parallel rays emitted by the parallel light emitters are concentrated by the Fresnel lens and at least part of the light energy is incident. 099132268 Form No. A0101 Page 5 of 15 0992056484-0 201213777. The light energy meter is used to sense and calculate the light energy distribution of the incident surface of the fiber array. [0005] Compared with the prior art, the light energy measuring device of the present invention uses a small optical fiber to form an optical fiber array to measure the light energy distribution after the parallel light is collected, and can measure the energy distribution after the sunlight is focused by the medium. . [Embodiment] The light energy measuring device of the present technical solution will be further described in detail below with reference to the accompanying drawings and embodiments. Referring to FIG. 1, a light energy measuring device 1 according to a first embodiment of the present invention includes a parallel light emitter 10, a Fresnel lens 20, an optical fiber array 30, a light energy measuring device 40, which are sequentially disposed along an optical axis 19. The turning device 50, and the angle adjusting device 60. The optical fiber array 30 includes a plurality of adjacent cylindrical optical fibers 31 having a circular cross section, and opposite ends of each of the optical fibers 31 respectively include a light incident surface 32 and a light exit surface 33. The light incident surface 32 of the plurality of optical fibers 31 is coplanar at the focus of the Fresnel lens 20 and defines a light energy incident surface 35. In the present embodiment, the light energy incident surface 35 is a strip-shaped rectangular plane. The light energy incident surface 35 is perpendicular to the optical axis 19 and is symmetrical about the optical axis 19, and has an area slightly smaller than the area of the spot generated by the flat ray 11 after being concentrated by the Fresnel lens 20 at its focus. The light exiting surface 33 of the plurality of optical fibers 31 is coplanar and defines a light energy emitting surface 36. In the present embodiment, the light energy emitting surface 36 is a strip-shaped rectangular plane. In this embodiment, the plurality of optical fibers 31 are arranged in parallel on the same plane, and the direction in which each of the optical fibers 31 extends is parallel to the optical axis 1 9 such that the plurality of optical fibers 31 are related to 099132268. Form No. A0101 Page 6 / Total 15 Page 0992056484-0 201213777 The optical axis 19 is symmetrical. Each of the optical fibers 31 is provided with a reflective film 37 on the surface other than the light incident surface 32 and the light exit surface 33 to improve the efficiency of light energy transmission. In alternative embodiments, the cross-section of each of the fibers 31 can also be triangular, square, or other predetermined shape. [0010] The light energy measuring instrument 40 includes at least one light energy probe 41 and a measuring unit 42 connected to the light energy detecting head 41. The measuring unit comprises a display 43. The at least one light energy probe 41 is optically coupled to the light energy exit surface 36, and the parallel light rays 11 emitted by the parallel light emitter 10 are concentrated by the Fresnel lens 20 to illuminate at least a portion of the light energy incident surface 35. The light energy meter 40 is used to sense and calculate the light energy distribution of the light energy exit surface 36 of the fiber array 30. In this embodiment, the light energy meter 40 includes a plurality of light energy probes 41, each of which is optically coupled to a light exit surface 33 of an optical fiber 31. The light energy meter 40 measures the energy of the light exit surface 33 of each of the optical fibers 31 via each of the light energy probes 41, and calculates the light energy distribution of the focused parallel light 11 on the light energy incident surface 35. The display 43 displays the light energy distribution image of the light energy incident surface based on the information provided by the measuring unit 42. [0011] The rotating device 50 includes a first gear 51 that is looped around the periphery of the fiber array 30, a second gear 52 that meshes with the first gear, and a drive device 53. The driving device 53 is a motor that drives the second gear 52 to rotate and drives the first gear 51 to rotate at the same time, thereby driving the optical fiber array 30 fixed to the axial position of the first gear 51 to rotate, so that the optical fiber array 30 can It is fixed at a preset position and tests the energy distribution after the parallel rays pass through the Fresnel lens 20. [0012] The angle adjusting device 60 includes a first angle adjuster 61 and a second angle adjuster 62 for adjusting the parallel light emitter 10 099132268 Form No. A0101 Page 7 / Total 15 Page 0992056484 -0 201213777 The angle of the ray 11 with respect to the optical axis 19 is so as to facilitate the distribution of the light energy generated by the parallel rays 11 having different inclination angles with the optical axis 19 after being concentrated by the Fresnel lens 20 at the light energy incident surface 35. For convenience of description, a three-dimensional Cartesian coordinate system (X, Y, Z) shown in FIG. 1 is established, in which the optical axis 19 is disposed parallel to the Υ coordinate axis, and the ray 11 emitted by the parallel light emitter 10 is oriented toward the Υ coordinate axis. . The first angle adjuster 61 adjusts the parallel light emitter 10 to rotate about an X coordinate axis, and the second angle adjuster 62 adjusts the parallel light emitter 10 to rotate about a Υ coordinate axis. The first angle adjuster 61 cooperates with the second angle adjuster 62 to adjust the angle between the direction in which the parallel rays 11 are emitted and the optical axis 19 to an arbitrary acute angle. [0013] In an embodiment, when the parallel light emitter 10 emits light at an angle of zero to the optical axis 19, that is, parallel to the Υ coordinate axis, the parallel ray 11 is concentrated by the Fresnel lens 20 and then incident on the light energy. The light energy distribution generated by the surface 35 is as shown in FIG. In another embodiment, when the angle between the emitted light 11 and the optical axis 19 of the parallel light emitter 10 is an acute angle 0, the parallel light rays 11 are concentrated by the Fresnel lens 20 and then generated by the light energy incident surface 35. The energy distribution is shown in Figure 3. In Fig. 2 and Fig. 3, the coordinates of the X axis represent the position of any point on the incident surface 35 of the light energy, and the unit is mm; the coordinates of the Υ axis represent the light energy corresponding to any point on the incident surface of the light energy, in watts. . [0014] The light energy measuring device 1 uses a relatively small optical fiber 31 to converge the optical fiber array 30 to measure the light energy distribution after the concentrated light 11 of sunlight or simulated sunlight is collected, and can accurately simulate and measure the sunlight after focusing. The energy distribution at the spot. [0015] In summary, the present invention has indeed met the requirements of the invention patent, and the patent application is filed according to law. In the prior art, the above is only the preferred embodiment of the present invention. 099132268 Form No. 1010101 Page 8 of 15 0992056484-0 201213777 [0016] The embodiment is not intended to limit the scope of the patent application. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a three-dimensional structure of an embodiment of a light energy measuring device according to the present invention. [0017] FIG. 2 is a light energy distribution diagram obtained by using the light energy measuring device shown in FIG. [0018] FIG. 3 is another light energy distribution diagram obtained by using the light energy measuring device shown in FIG. 1 [0019] [Main component symbol description] Light energy measuring device: 1 [0020] Parallel light emitter: 10 [ 0021] Optical axis: 1 9 [0022] Fresnel lens: 20 Fiber array: 30 [0024] Fiber: 31 [0025] Light-in plane: 32 [0026] Light-emitting surface: 33 [0027] Light energy incident surface: 3 5 [0028] Light energy exit surface: 3 6 [0029] Light energy meter: 40 099132268 Form number A0101 Page 9 / Total 15 page 0992056484-0 201213777 [0030] Light energy probe: 41 [0031] Measuring unit: 42 [0032] Display: 4 3 [0033] Rotating device: 50 [0034] First gear: 51 [0035] Second gear: 52 [0036] Drive device: 53 [0037] Angle adjustment device: 60 [0038] Angle adjuster: 61 [0039] Second angle adjuster: 62 0992056484-0 099132268 Form number A0101 Page 10 of 15