WO2016192133A1 - 轻质模块化的太阳能电池组件 - Google Patents

轻质模块化的太阳能电池组件 Download PDF

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WO2016192133A1
WO2016192133A1 PCT/CN2015/081558 CN2015081558W WO2016192133A1 WO 2016192133 A1 WO2016192133 A1 WO 2016192133A1 CN 2015081558 W CN2015081558 W CN 2015081558W WO 2016192133 A1 WO2016192133 A1 WO 2016192133A1
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solar cell
cell module
film
concave
light
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PCT/CN2015/081558
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English (en)
French (fr)
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杜国宏
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苏州思博露光伏能源科技有限公司
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Priority to JP2018513704A priority Critical patent/JP2018516468A/ja
Publication of WO2016192133A1 publication Critical patent/WO2016192133A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/049—Protective back sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Definitions

  • the present invention relates to the field of solar cell technology, and in particular to a lightweight modular solar cell module.
  • Solar cells also known as “solar chips” or “photocells,” are photovoltaic semiconductor wafers that use solar light to generate electricity directly. When it is illuminated, it can instantaneously output voltage and generate current in the presence of a loop. Solar cells have a wide range of applications, from the military and aerospace sectors to industrial, commercial, agricultural, communications, household appliances and utilities, especially in remote areas, mountains, deserts, islands and rural areas. Save on expensive transmission lines.
  • Solar cells can be fabricated into solar cell modules during application.
  • the fabricated solar cell module can be laid on the top of the building to supply power to the interior of the building, or can be placed on the RV, tent, and used outdoors.
  • solar modules can also be used in the construction of solar power plants.
  • existing solar modules are usually of high quality. When applied to the top of buildings or building solar power stations, the requirements for the support structure of solar modules are raised, and the cost of engineering construction is increased. In addition, the existing solar cell modules have low luminous efficiency due to the photoelectric conversion efficiency of the solar cell and the limitation of the light receiving area, and cannot meet the needs of high-power electricity applications.
  • the present invention provides a lightweight modular solar cell module that overcomes the deficiencies of the prior art.
  • the present invention provides a lightweight modular solar cell module comprising: a back plate, an insulating layer, a solar cell sheet, a concave-convex film, a light transmissive film, the back plate, and an insulating layer.
  • an adhesive layer is disposed between the solar cell sheet, the concave-convex film, and the transparent film;
  • a bottom surface of the back sheet forms a backlight surface of the solar cell module
  • a surface of the light transmissive film forms a light receiving surface of the solar cell module
  • the uneven film is located under the light transmissive film
  • the concave and convex film faces A plurality of uneven structures uniformly arranged are formed on the surface of the light transmissive film.
  • the back sheet is a metal sheet or an engineering plastic sheet.
  • An improvement of the lightweight modular solar cell module of the present invention is characterized in that the engineering plastic plate is an epoxy resin.
  • the bottom surface of the back plate is further provided with reinforcing ribs, and the reinforcing ribs are plural, and a plurality of reinforcing ribs are arranged at intersection.
  • the solar cell sheets are plural, a plurality of solar cell sheets are arranged in an array on the insulating layer, and a plurality of solar cell sheets are connected in series.
  • the concave-convex structure includes a concave structure and a convex structure formed on a surface, the concave structure and the convex structure are alternately disposed, and each structure is Arranged at equal intervals.
  • the material of the light transmissive film is ETFE.
  • the adhesive layer is an EVA colloid.
  • the solar cell module further includes a bezel located on a circumferential side of the solar cell module, and forming a pair of the back plate, an insulating layer, and a solar cell The package of the sheet, the uneven film, and the light transmissive film.
  • the solar cell module has a thickness of less than 2 mm.
  • the invention has the beneficial effects that the lightweight modular solar cell module of the invention is light in weight, convenient for installation and transportation, and reduces the cost of engineering construction. Further, the solar cell module of the present invention increases the concentration of sunlight by providing the uneven film, and improves the photoelectric conversion efficiency, thereby relatively increasing the light receiving area of the light receiving surface of the solar cell module. In addition, the solar cell module of the present invention adopts a modular arrangement, which is convenient for promotion and application.
  • FIG. 1 is a side view of a specific embodiment of a lightweight modular solar cell assembly of the present invention, Wherein, a part of the frame structure is omitted in the side view;
  • FIG. 2 is a perspective view of the lightweight modular solar cell module of FIG. 1.
  • the lightweight modular solar cell module includes a backing plate 10, an insulating layer 20, a solar cell sheet 30, a concave-convex film 40, and a light-transmissive film 50. Therefore, the back sheet 10, the insulating layer 20, the solar cell sheet 30, the uneven film 40, and the light transmissive film 50 are stacked in this order from bottom to top, and the back sheet 10, the insulating layer 20, the solar cell sheet 30, and the uneven film 40 are laminated.
  • An adhesive layer 60 is disposed between the light transmissive films 50 to be fixedly connected by the adhesive layer 60.
  • the adhesive layer 60 may be an EVA colloid.
  • the thickness of the solar cell module is less than 2 mm, and the thickness of the existing solar module is usually 5-6 mm. .
  • the bottom surface of the back sheet 10 forms a backlight surface of the solar cell module.
  • the material of the back plate 10 may be a metal plate or an engineering plastic plate. When a metal plate is used, the metal back plate has better heat dissipation. When an engineering plastic plate is used, an epoxy resin plate can be specifically used.
  • the bottom surface of the back plate 10 is further provided with reinforcing ribs, and the reinforcing ribs may be disposed in multiple pieces as needed, and a plurality of reinforcing ribs are disposed at intersection. As an embodiment, when the reinforcing ribs are three, two of them are parallel to each other, and the other one is perpendicular to the two phases parallel to each other.
  • the insulating layer 20 is preferably made of a highly insulating material to ensure the solar cell of the present invention.
  • the component has good pressure resistance and stability, and has good lightning strike resistance when used outdoors.
  • the solar cell sheet 30 may be disposed in plurality as needed, and the plurality of solar cell sheets 30 are arranged in an array on the insulating layer 20, and the plurality of solar cell sheets are connected in series to each other to obtain a larger output voltage. .
  • the uneven film 40 is located under the light transmissive film 50, and the uneven film 40 is formed with a plurality of uneven structures 41 uniformly arranged toward the surface of the light transmissive film 50.
  • the concentration of sunlight can be increased, and the photoelectric conversion efficiency can be increased by 10%, and the light-receiving area of the light-receiving surface of the solar cell module can be relatively increased.
  • the concave-convex structure 41 comprises a concave structure and a convex structure formed on the surface, the concave structure and the convex structure are alternately arranged, and the structures are arranged at equal intervals.
  • the surface of the light transmissive film 50 forms a light receiving surface of the solar cell module, and sunlight is irradiated onto the light receiving surface, and sequentially passes through the light transmissive film 50 and the uneven film 40.
  • the transparent film 50 is made of a high transmittance material, and the material of the transparent film 50 may be ETFE. At the same time, the transparent film 50 can also be
  • the solar cell module further includes a frame 70 located on a circumferential side of the solar cell module, and forming a pair of the back plate 10, the insulating layer 20, the solar cell sheet 30, the uneven film 40, and the light transmissive The package of film 50.
  • a frame 70 located on a circumferential side of the solar cell module, and forming a pair of the back plate 10, the insulating layer 20, the solar cell sheet 30, the uneven film 40, and the light transmissive The package of film 50.
  • the lightweight modular solar cell module of the present invention is light in weight, easy to install and transport, and reduces the cost of engineering construction. Further, the solar cell module of the present invention increases the concentration of sunlight by providing the uneven film, and improves the photoelectric conversion efficiency, thereby relatively increasing the light receiving area of the light receiving surface of the solar cell module. In addition, the solar cell module of the present invention adopts a modular arrangement, which is convenient for promotion and application.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本发明公开了一种轻质模块化的太阳能电池组件，其包括依次设置的：背板、绝缘层、太阳能电池片、凹凸膜、透光膜，所述背板、绝缘层、太阳能电池片、凹凸膜、透光膜之间设置有粘胶层；背板的底面形成太阳能电池组件的背光面，透光膜的表面形成太阳能电池组件的受光面，凹凸膜位于透光膜下方，凹凸膜朝向透光膜的表面上形成有均匀排列的若干凹凸结构。本发明的轻质模块化的太阳能电池组件质量较轻，便于安装和运输，降低了工程建设的成本。且本发明的太阳能电池组件通过设置凹凸膜提高了太阳光的聚光率，并提高了光电转换效率，相对增大了太阳能电池组件受光面的受光面积。此外，本发明的太阳能电池组件采用模块化设置，便于推广和应用。

Description

轻质模块化的太阳能电池组件
本申请要求于2015年05月29日提交中国专利局、申请号为201510288560.6、发明名称为“轻质模块化的太阳能电池组件”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及太阳能电池技术领域，具体地涉及一种轻质模块化的太阳能电池组件。
背景技术
太阳能电池又称为“太阳能芯片”或“光电池”，是一种利用太阳光直接发电的光电半导体薄片。其在被光照到时，可瞬间输出电压及在有回路的情况下产生电流。太阳能电池具有广泛的应用，其已从军事领域、航天领域进入工业、商业、农业、通信、家用电器以及公用设施等部门，尤其可以分散地在边远地区、高山、沙漠、海岛和农村使用，以节省造价很贵的输电线路。
太阳能电池在应用过程中，可制作成太阳能电池组件。例如，制作成的太阳能电池组件可铺设于建筑物顶部为建筑物内部供电，也可设置于房车、帐篷上，在户外使用。此外，太阳能电池组件还可用于太阳能发电站的建设。
但是，现有的太阳能组件通常质量较大，当其应用在建筑物顶部或建设太阳能发电站等场合中，对太阳能组件的支撑结构提出了较高的要求，增加了工程建设的成本。此外，现有的太阳能电池组件，由于太阳能电池片光电转化效率、以及受光面积的限制，导致其发光效率不高，无法满足大功率用电场合的需要。
因此，针对上述问题，有必要提出进一步的解决方案。
发明内容
有鉴于此，本发明提供了一种轻质模块化的太阳能电池组件，以克服现有技术中存在的不足。
为了实现上述目的，本发明的提供一种轻质模块化的太阳能电池组件，其包括依次设置的：背板、绝缘层、太阳能电池片、凹凸膜、透光膜，所述背板、绝缘层、太阳能电池片、凹凸膜、透光膜之间设置有粘胶层；
所述背板的底面形成所述太阳能电池组件的背光面，所述透光膜的表面形成所述太阳能电池组件的受光面，所述凹凸膜位于所述透光膜下方，所述凹凸膜朝向所述透光膜的表面上形成有均匀排列的若干凹凸结构。
作为本发明的轻质模块化的太阳能电池组件的改进，所述背板为金属板或工程塑料板。
作为本发明的轻质模块化的太阳能电池组件的改进，其特征在于所述工程塑料板为环氧树脂。
作为本发明的轻质模块化的太阳能电池组件的改进，所述背板的底面还设置有加强筋条，所述加强筋条为多条，多条加强筋条交叉设置。
作为本发明的轻质模块化的太阳能电池组件的改进，所述太阳能电池片为多个，多个太阳能电池片以阵列形式排布于所述绝缘层上，且多个太阳能电池片相互串联。
作为本发明的轻质模块化的太阳能电池组件的改进，所述凹凸结构包括形成于所在表面的凹结构和凸结构，所述凹结构和凸结构交替设置，且各结构之 间等间距排列。
作为本发明的轻质模块化的太阳能电池组件的改进，所述透光膜的材质为ETFE。
作为本发明的轻质模块化的太阳能电池组件的改进，所述粘胶层为EVA胶体。
作为本发明的轻质模块化的太阳能电池组件的改进，所述太阳能电池组件还包括边框，所述边框位于所述太阳能电池组件的周侧，并形成对所述背板、绝缘层、太阳能电池片、凹凸膜、透光膜的封装。
作为本发明的轻质模块化的太阳能电池组件的改进，所述太阳能电池组件的厚度小于2mm。
与现有技术相比，本发明的有益效果是：本发明的轻质模块化的太阳能电池组件质量较轻，便于安装和运输，降低了工程建设的成本。且本发明的太阳能电池组件通过设置凹凸膜提高了太阳光的聚光率，并提高了光电转换效率，相对增大了太阳能电池组件受光面的受光面积。此外，本发明的太阳能电池组件采用模块化设置，便于推广和应用。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的轻质模块化的太阳能电池组件一具体实施方式的侧视图， 其中，侧视图中省略了部分边框结构；
图2为图1中轻质模块化的太阳能电池组件的立体示意图。
具体实施方式
下面将对本发明实施例中的技术方案进行详细的描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1、2，所述轻质模块化的太阳能电池组件包括依次设置的：背板10、绝缘层20、太阳能电池片30、凹凸膜40、透光膜50。从而，背板10、绝缘层20、太阳能电池片30、凹凸膜40、透光膜50自下而上依次层叠设置，且所述背板10、绝缘层20、太阳能电池片30、凹凸膜40、透光膜50之间设置有粘胶层60，从而通过粘胶层60进行固定连接。优选地，所述粘胶层60可以为EVA胶体。所述太阳能电池组件的厚度小于2mm，而现有的太阳能组件的厚度通常为5-6mm。。
所述背板10的底面形成所述太阳能电池组件的背光面。所述背板10的材质可以为金属板或工程塑料板。当采用金属板时，金属背板具有较好的散热性。当采用工程塑料板时，可具体使用环氧树脂板。进一步地，所述背板10的底面还设置有加强筋条，所述加强筋条根据需要可设置为多条，多条加强筋条交叉设置。作为一种实施方式，当加强筋条为三条时，其中两条相互平行，另外一条与相互平行的两条相垂直。
所述绝缘层20优选采用高绝缘性材料，从而保证了本发明的太阳能电池 组件具有较好的耐压性和稳定性，当在户外使用时，具有较好的抗雷击性。
所述太阳能电池片30可根据需要设置为多个，所述多个太阳能电池片30以阵列形式排布于所述绝缘层20上，多个太阳能电池片相互串联，以获得较大的输出电压。
所述凹凸膜40位于所述透光膜50下方，所述凹凸膜40朝向所述透光膜50的表面上形成有均匀排列的若干凹凸结构41。通过设置该若干凹凸结构41，可提高了太阳光的聚光率，并提高光电转换效率10％，相对增大了太阳能电池组件受光面的受光面积。其中，所述凹凸结构41包括形成于所在表面的凹结构和凸结构，所述凹结构和凸结构交替设置，且各结构之间等间距排列。
所述透光膜50的表面形成所述太阳能电池组件的受光面，太阳光照射到所述受光面上，并依次穿过所述透光膜50和凹凸膜40。所述透光膜50采用高透光率材料，所述透光膜50的材质可以为ETFE。同时，透光膜50还可对
此外，所述太阳能电池组件还包括边框70，所述边框70位于所述太阳能电池组件的周侧，并形成对所述背板10、绝缘层20、太阳能电池片30、凹凸膜40、透光膜50的封装。通过设置边框70不但增加了太阳能电池组件的强度，且使得太阳能电池组件形成模块化结构，便于推广和应用。
综上所述，本发明的轻质模块化的太阳能电池组件质量较轻，便于安装和运输，降低了工程建设的成本。且本发明的太阳能电池组件通过设置凹凸膜提高了太阳光的聚光率，并提高了光电转换效率，相对增大了太阳能电池组件受光面的受光面积。此外，本发明的太阳能电池组件采用模块化设置，便于推广和应用。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (10)

  1. 一种轻质模块化的太阳能电池组件，其特征在于，所述轻质模块化的太阳能电池组件包括依次设置的：背板、绝缘层、太阳能电池片、凹凸膜、透光膜，所述背板、绝缘层、太阳能电池片、凹凸膜、透光膜之间设置有粘胶层；
    所述背板的底面形成所述太阳能电池组件的背光面，所述透光膜的表面形成所述太阳能电池组件的受光面，所述凹凸膜位于所述透光膜下方，所述凹凸膜朝向所述透光膜的表面上形成有均匀排列的若干凹凸结构。
  2. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述背板为金属板或工程塑料板。
  3. 根据权利要求2所述的轻质模块化的太阳能电池组件，其特征在于所述工程塑料板为环氧树脂。
  4. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述背板的底面还设置有加强筋条，所述加强筋条为多条，多条加强筋条交叉设置。
  5. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述太阳能电池片为多个，多个太阳能电池片以阵列形式排布于所述绝缘层上，且多个太阳能电池片相互串联。
  6. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述凹凸结构包括形成于所在表面的凹结构和凸结构，所述凹结构和凸结构交替设置，且各结构之间等间距排列。
  7. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述透光膜的材质为ETFE。
  8. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述粘胶层为EVA胶体。
  9. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述太阳能电池组件还包括边框，所述边框位于所述太阳能电池组件的周侧，并形成对所述背板、绝缘层、太阳能电池片、凹凸膜、透光膜的封装。
  10. 根据权利要求1所述的轻质模块化的太阳能电池组件，其特征在于，所述太阳能电池组件的厚度小于2mm。
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