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WO2018107999A1 - Photovoltaic module - Google Patents

Photovoltaic module Download PDF

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Publication number
WO2018107999A1
WO2018107999A1 PCT/CN2017/114559 CN2017114559W WO2018107999A1 WO 2018107999 A1 WO2018107999 A1 WO 2018107999A1 CN 2017114559 W CN2017114559 W CN 2017114559W WO 2018107999 A1 WO2018107999 A1 WO 2018107999A1
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WO
WIPO (PCT)
Prior art keywords
photovoltaic module
battery
oblique
cell
adhesive film
Prior art date
Application number
PCT/CN2017/114559
Other languages
French (fr)
Chinese (zh)
Inventor
沈坚
Original Assignee
阿特斯阳光电力集团有限公司
苏州阿特斯阳光能源科技有限公司
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Application filed by 阿特斯阳光电力集团有限公司, 苏州阿特斯阳光能源科技有限公司 filed Critical 阿特斯阳光电力集团有限公司
Publication of WO2018107999A1 publication Critical patent/WO2018107999A1/en

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/85—Protective back sheets
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/488—Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection
    • 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 oblique supporting surface and the oblique downward pressing surface are disposed in parallel with each other.
  • the orientation of adjacent two battery sheets in the battery string is different.
  • the battery piece is disposed perpendicular to the cover plate and the back plate, and the battery piece is a double-sided battery piece.
  • the lower adhesive film is provided with a reflective surface on both sides of the battery sheet, and the battery sheet is located on a center line between the two reflective surfaces.
  • the upper adhesive film is located on both sides of the battery sheet and between the reflective surface and the battery sheet.
  • the battery sheet adopts a plurality of elongated sub-cell sheets formed by halving the square battery sheets.
  • top surface and the bottom surface of the upper adhesive film and the top surface and the bottom surface of the lower adhesive film also have a wavy structure.
  • the unit By arranging the battery sheet obliquely or vertically in the assembly, the unit can be packaged with a larger number of battery sheets while the length and width of the assembly remain unchanged, so that the effective total area of the battery sheet is equal to or greater than The area of the component helps to improve the conversion efficiency of the component.
  • FIG. 1 is a schematic view showing the internal structure of the photovoltaic module in the first embodiment of the present invention.
  • FIG. 2 is a schematic view showing the aliquoting of the battery piece used in the photovoltaic module of the present invention.
  • FIG. 4 is a schematic view showing the internal structure of the photovoltaic module in the third embodiment of the present invention.
  • a photovoltaic module is disclosed in a first embodiment of the present invention, which includes a cover plate 10 , an upper adhesive film 20 , a battery string 30 , a lower adhesive film 40 , and a back plate 50 which are sequentially disposed from top to bottom.
  • the cover 10 and the backing plate 50 laminate the upper adhesive film 20, the lower adhesive film 40 and the battery string 30 inside to form a whole.
  • the upper adhesive film 20 and the lower adhesive film 40 are used to accommodate the battery string 30, and the lower adhesive film 40 is provided with a plurality of oblique directions for supporting the battery string 30.
  • the cell 31 and the angle between the adjacent two oblique supporting surfaces 41 are ⁇ , so that the angle between the adjacent two battery sheets 31 is also ⁇
  • the upper film 20 is also formed with a continuous zigzag or wavy structure facing the battery string 30, the zigzag or wavy structure being pressed obliquely downwards
  • the surface 21 is configured to be disposed in one-to-one correspondence with the oblique supporting surface 41 on the lower adhesive film 40, and each oblique downward pressing surface 21 extends in the same direction as the oblique supporting surface 41 at a position directly below the upper layer, that is, the upper layer
  • the crest portion of the zigzag or wavy structure on the inner surface of the film 20 is matched with the trough portion of the lower layer film 40.
  • the upper adhesive film 20 covers the lower adhesive film 40, and the battery string 30 is fixed to the upper and lower adhesive films 20 by the clamping of the oblique support surface 41 and the oblique downward pressing surface 21. Between 40.
  • FIG. 2 is a schematic diagram of the hexadecimal cutting of the conventional cell sheet 31 of 156 mm*156 mm size along the cutting line 34, which can be obtained after cutting ten times.
  • Strip sub-cell 33 is a schematic diagram of the hexadecimal cutting of the conventional cell sheet 31 of 156 mm*156 mm size along the cutting line 34, which can be obtained after cutting ten times.
  • the battery sheet 31 is disposed perpendicular to the cover plate 10 and the back plate 50, and the battery sheet 31 is a double-sided battery sheet, two of which are The surface can be used as a light receiving surface to absorb light.
  • the oblique supporting surface 41 of the lower adhesive film 40 is not used to support the battery sheet 31, and the lower layer film
  • the oblique supporting surface 41 of 40 is provided with a reflecting surface 42 for reflecting light onto both surfaces of the battery sheet 31, and the battery sheet 31 stands perpendicularly to the two oblique supporting surfaces 41 (or the reflecting surface 42).
  • Between the two oblique support surfaces 41 (or the reflective surface 42) on the center line, and the upper adhesive film 20 is a transparent material, which is located on both sides of the battery sheet 31, and is reflective The surface 42 is between the battery sheet 31.

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  • Photovoltaic Devices (AREA)

Abstract

Provided is a photovoltaic module, comprising a cover plate (10), an upper layer adhesive film (20), a battery string (30), a lower layer adhesive film (40) and a back plate (50) which are provided from top to bottom in sequence. The battery string comprises a battery piece (31) and a connecting member (32) for connecting the battery piece, and the battery piece is provided in an inclined or perpendicular manner relative to the cover plate or the back plate. Therefore, where the dimensions of the length and width of the module remain unchanged, a larger number of battery pieces can be encapsulated in the module so that the total effective area of the battery pieces is equivalent to or greater than the area of the module, thereby helping to improve the conversion efficiency of the module.

Description

光伏组件Photovoltaic module

相关申请的交叉引用Cross-reference to related applications

本专利申请要求于2016年12月16日提交的、申请号为201611169375.6、发明名称为“光伏组件”的中国专利申请的优先权，该申请的全文以引用的方式并入本文中。The present application claims priority to Chinese Patent Application Serial No. No. No. No. No. No.

技术领域Technical field

本发明涉及光伏发电领域，尤其涉及一种光伏组件。The invention relates to the field of photovoltaic power generation, and in particular to a photovoltaic module.

背景技术Background technique

目前常规的晶体硅太阳能电池组件，其组件效率无法高于其内部的太阳能电池片的效率，原因是封装在组件中所有电池片的有效总面积始终小于组件的面积(因为电池片之间有间隙、电池串之间也存在缝隙)。目前出现的DCI(Dense cell interconnect)技术，其采用的是电池片间无间隙、电池串之间有间隙的设计方案，这样可以缩短组件效率和电池片效率的差距但不会造成突破，根本原因是现有的组件结构中，电池片和组件在受光面上同属于同一个维度，为了突破此限制，需要把电池片的受光面维度提升到“三维”，使电池片的有效面积能够达到或超过组件的面积，从而有助于使组件效率高于电池片效率。At present, conventional crystalline silicon solar cell modules cannot be more efficient than the efficiency of their internal solar cells because the effective total area of all the cells in the package is always smaller than the area of the components (because there is a gap between the cells) There are also gaps between the battery strings). The current DCI (Dense cell interconnect) technology uses a design scheme with no gaps between the cells and a gap between the battery strings, which can shorten the gap between component efficiency and cell efficiency but does not cause a breakthrough, the root cause In the existing component structure, the battery piece and the component belong to the same dimension on the light receiving surface. In order to break through this limitation, it is necessary to raise the dimension of the light receiving surface of the battery piece to "three-dimensional", so that the effective area of the battery piece can reach or Exceeding the area of the component helps to make the component more efficient than the cell.

发明内容Summary of the invention

有鉴于此，本发明提供一种光伏组件，以改善组件的转换效率。In view of this, the present invention provides a photovoltaic module to improve the conversion efficiency of the assembly.

具体地，本发明是通过如下技术方案实现的：一种光伏组件，包括由上而下依次设置的盖板、上层胶膜、电池串、下层胶膜及背板，所述电池串包括若干电池片及连接电池片的连接件，相邻两个电池片之间存在夹角，所述夹角大于0°且小于180°。Specifically, the present invention is achieved by the following technical solutions: a photovoltaic module comprising a cover plate, an upper adhesive film, a battery string, a lower adhesive film and a back plate which are sequentially disposed from top to bottom, and the battery string includes a plurality of batteries The sheet and the connecting piece connecting the battery sheets have an angle between adjacent two battery sheets, and the angle is greater than 0° and less than 180°.

进一步地，所述电池片相对于所述盖板或背板呈倾斜或垂直设置。Further, the battery piece is disposed obliquely or vertically with respect to the cover or the back plate.

进一步地，所述下层胶膜设有若干支撑所述电池片的斜向支撑面。Further, the lower adhesive film is provided with a plurality of oblique support surfaces for supporting the battery sheets.

进一步地，所述上层胶膜设有若干与所述斜向支撑面一一对应设置的斜向下压面，所述电池片夹设于所述斜向支撑面和斜向下压面之间。Further, the upper adhesive film is provided with a plurality of oblique downward pressing faces which are disposed in one-to-one correspondence with the oblique supporting surface, and the battery sheet is sandwiched between the oblique supporting surface and the oblique downward pressing surface .

进一步地，所述斜向支撑面与所述斜向下压面相互平行设置。Further, the oblique supporting surface and the oblique downward pressing surface are disposed in parallel with each other.

进一步地，相邻两个斜向支撑面构成V字型或倒V字型。 Further, the adjacent two oblique support faces form a V-shape or an inverted V-shape.

进一步地，所述电池串中相邻两个电池片的朝向不同。Further, the orientation of adjacent two battery sheets in the battery string is different.

进一步地，所述斜向支撑面的延伸方向与所述盖板或背板的夹角设为θ且0°＜θ≤90°，相邻两个斜向支撑面的夹角设为β且β＝180°-2θ。Further, an angle between the extending direction of the oblique supporting surface and the cover or the back plate is θ and 0°<θ≤90°, and an angle between two adjacent oblique supporting surfaces is set to β and β = 180 ° - 2θ.

进一步地，所述电池片垂直于所述盖板和背板设置，且所述电池片为双面电池片。Further, the battery piece is disposed perpendicular to the cover plate and the back plate, and the battery piece is a double-sided battery piece.

进一步地，所述下层胶膜设有位于所述电池片两侧的反光面，所述电池片位于两反光面之间的中心线上。Further, the lower adhesive film is provided with a reflective surface on both sides of the battery sheet, and the battery sheet is located on a center line between the two reflective surfaces.

进一步地，所述上层胶膜位于所述电池片的两侧，且介于所述反光面与电池片之间。Further, the upper adhesive film is located on both sides of the battery sheet and between the reflective surface and the battery sheet.

进一步地，所述电池片采用方形电池片经等分切割后形成的若干长条状子电池片。Further, the battery sheet adopts a plurality of elongated sub-cell sheets formed by halving the square battery sheets.

进一步地，所述背板和/或盖板的内表面和外表面均呈波浪形结构。Further, the inner surface and the outer surface of the back plate and/or the cover plate have a wave-shaped structure.

进一步地，所述上层胶膜的顶表面和底表面以及所述下层胶膜的顶表面和底表面也均呈波浪形结构。Further, the top surface and the bottom surface of the upper adhesive film and the top surface and the bottom surface of the lower adhesive film also have a wavy structure.

本发明通过将电池片倾斜或垂直设置于组件内，可在组件长、宽尺寸保持不变的情况下，使组件内封装更多数量的电池片，从而使电池片的有效总面积达到或大于组件的面积，有利于提高组件的转换效率。By arranging the battery sheet obliquely or vertically in the assembly, the unit can be packaged with a larger number of battery sheets while the length and width of the assembly remain unchanged, so that the effective total area of the battery sheet is equal to or greater than The area of the component helps to improve the conversion efficiency of the component.

附图说明DRAWINGS

图1是本发明第一实施例中所述光伏组件的内部结构示意图。1 is a schematic view showing the internal structure of the photovoltaic module in the first embodiment of the present invention.

图2是本发明所述光伏组件采用的电池片的等分切割示意图。2 is a schematic view showing the aliquoting of the battery piece used in the photovoltaic module of the present invention.

图3是本发明第二实施例中所述光伏组件的内部结构示意图。3 is a schematic view showing the internal structure of the photovoltaic module in the second embodiment of the present invention.

图4是本发明第三实施例中所述光伏组件的内部结构示意图。4 is a schematic view showing the internal structure of the photovoltaic module in the third embodiment of the present invention.

具体实施方式detailed description

这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with aspects of the invention as detailed in the appended claims.

在本发明使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本发明。在本发明和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形 式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。The terminology used in the present invention is for the purpose of describing particular embodiments, and is not intended to limit the invention. The singular forms "a", "the", and "the" , unless the context clearly indicates other meanings. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

如图1所示，本发明第一实施例中公开了一种光伏组件，其包括由上而下依次设置的盖板10、上层胶膜20、电池串30、下层胶膜40及背板50，所述盖板10和背板50将上层胶膜20、下层胶膜40及电池串30层压在两者内部，形成一整体。As shown in FIG. 1 , a photovoltaic module is disclosed in a first embodiment of the present invention, which includes a cover plate 10 , an upper adhesive film 20 , a battery string 30 , a lower adhesive film 40 , and a back plate 50 which are sequentially disposed from top to bottom. The cover 10 and the backing plate 50 laminate the upper adhesive film 20, the lower adhesive film 40 and the battery string 30 inside to form a whole.

在本发明较佳实施例中，所述上层胶膜20与下层胶膜40之间用于容纳所述电池串30，且所述下层胶膜40设有若干支撑所述电池串30的斜向支撑面41，所述斜向支撑面41的延伸方向与所述盖板10或背板50的夹角为θ，该夹角θ介于0-90°之间(即0°＜θ≤90°)，且优选20-60°(如可选θ＝45°)，且相邻两个斜向支撑面41构成V字型或倒V字型，从而在下层胶膜40上形成连续的、均匀的锯齿形或波浪形结构，且所述斜向支撑面41构成了所述锯齿形或波浪形结构的波峰部和波谷部，所述斜向支撑面41用于放置所述电池串30中的电池片31，且相邻两个斜向支撑面41的夹角为β，进而使得相邻两个电池片31之间的夹角也为β且β大于0°小于180°，其中β＝180°-2θ，这样设置后，使得所述电池串30中相邻两个电池片31的朝向不同。所述下层胶膜40铺设在所述背板50上，用来承载所述电池串30。In the preferred embodiment of the present invention, the upper adhesive film 20 and the lower adhesive film 40 are used to accommodate the battery string 30, and the lower adhesive film 40 is provided with a plurality of oblique directions for supporting the battery string 30. The supporting surface 41, the extending direction of the oblique supporting surface 41 and the cover 10 or the back plate 50 are at an angle θ, and the angle θ is between 0-90° (ie, 0°<θ≤90 °), and preferably 20-60° (if optional θ=45°), and the adjacent two oblique supporting faces 41 form a V-shape or an inverted V-shape, thereby forming a continuous, lower film 40 a uniform zigzag or undulating structure, and the oblique supporting surface 41 constitutes a crest portion and a trough portion of the zigzag or undulating structure for placing the battery string 30 The cell 31 and the angle between the adjacent two oblique supporting surfaces 41 are β, so that the angle between the adjacent two battery sheets 31 is also β and β is greater than 0° and less than 180°, where β= 180°-2θ, after such setting, the orientation of adjacent two battery sheets 31 in the battery string 30 is made different. The lower adhesive film 40 is laid on the back plate 50 for carrying the battery string 30.

为了与所述下层胶膜40匹配，所述上层胶膜20上也形成有面向所述电池串30的连续的锯齿形或波浪形结构，所述锯齿形或波浪形结构由若干斜向下压面21构成，其与所述下层胶膜40上的斜向支撑面41一一对应设置，且每一斜向下压面21与其正下方位置的斜向支撑面41朝向同一方向延伸，即上层胶膜20内表面的锯齿形或波浪形结构的波峰部与下层胶膜40的波谷部对应配合。所述上层胶膜20覆盖在所述下层胶膜40上，通过所述斜向支撑面41与所述斜向下压面21的夹持将所述电池串30固定在上、下层胶膜20、40之间。In order to match the underlying film 40, the upper film 20 is also formed with a continuous zigzag or wavy structure facing the battery string 30, the zigzag or wavy structure being pressed obliquely downwards The surface 21 is configured to be disposed in one-to-one correspondence with the oblique supporting surface 41 on the lower adhesive film 40, and each oblique downward pressing surface 21 extends in the same direction as the oblique supporting surface 41 at a position directly below the upper layer, that is, the upper layer The crest portion of the zigzag or wavy structure on the inner surface of the film 20 is matched with the trough portion of the lower layer film 40. The upper adhesive film 20 covers the lower adhesive film 40, and the battery string 30 is fixed to the upper and lower adhesive films 20 by the clamping of the oblique support surface 41 and the oblique downward pressing surface 21. Between 40.

所述电池串30包括若干相互连接的电池片31，所述电池片31之间通过连接件32相互连接，所述连接件32也呈V字型或倒V字型，其两端分别连接至相邻两个电池片31上，且连接件32可采用柔性材质的导电胶或导电条，可方便将电池串30安放至连续的斜向支撑面41上。当然，对于常规的方形电池片31来说，其尺寸规格较大(如156mm*156mm)，若采用本实施例的斜向摆放设置方式，则会增加整个组件的厚度，这在某些对尺寸要求较高的应用场景下，采用常规电池片31往往会不满足尺寸要求，因此，在这种情况下，可对所述常规电池片31进行切割，切割成长条状的子电池片33，如此一来，斜向摆放时将大大降低组件的厚度，图2所示为156mm*156mm尺寸的常规电池片31沿切割线34进行十等分切割的示意图，其切割后可得到十个长条形子电池片33。The battery string 30 includes a plurality of interconnected battery cells 31. The battery cells 31 are connected to each other by a connecting member 32. The connecting member 32 is also V-shaped or inverted V-shaped, and its two ends are respectively connected to Adjacent to the two battery sheets 31, and the connecting member 32 can be made of a conductive material or a conductive strip of a flexible material, the battery string 30 can be conveniently placed on the continuous oblique supporting surface 41. Of course, for the conventional prismatic battery 31, its size is large (for example, 156 mm * 156 mm). If the oblique arrangement of the embodiment is adopted, the thickness of the entire component is increased, which is in some pairs. In the application scenario where the size is high, the conventional battery sheet 31 often does not meet the size requirement. Therefore, in this case, the conventional battery sheet 31 can be cut and the strip-shaped sub-cell sheet 33 can be cut. In this way, the thickness of the component will be greatly reduced when placed obliquely. FIG. 2 is a schematic diagram of the hexadecimal cutting of the conventional cell sheet 31 of 156 mm*156 mm size along the cutting line 34, which can be obtained after cutting ten times. Strip sub-cell 33.

可见，本发明通过将电池片31呈一定的角度倾斜设置在盖板10和背板50之间，并配合 特殊形状的上、下层胶膜40对电池片31进行固定，相比于现有技术中电池片31采用平铺的设计，本发明可在组件长、宽尺寸保持不变的情况下，在组件内封装更多数量的电池片31，并可使得电池片31的有效总面积达到或大于组件的面积，有利于提高组件的转换效率。It can be seen that the present invention is disposed between the cover 10 and the back plate 50 by tilting the battery piece 31 at a certain angle, and cooperates with The special shape of the upper and lower adhesive films 40 fixes the battery sheet 31. Compared with the prior art, the battery sheet 31 adopts a flat design, and the present invention can be used in the case where the length and width of the assembly remain unchanged. A larger number of battery sheets 31 are packaged therein, and the effective total area of the battery sheets 31 can be made larger or larger than the area of the components, which is advantageous for improving the conversion efficiency of the components.

当然，在本发明第二实施例中，如图3所示，所述电池片31垂直于所述盖板10和背板50设置，且所述电池片31采用双面电池片，其两个表面均可作为受光面来吸收光线，为了增加光线吸收量，在本实施例中，所述下层胶膜40的斜向支撑面41并未用于支撑所述电池片31，所述下层胶膜40的斜向支撑面41上设有反光面42，用于将光线反射至电池片31的两个表面上，所述电池片31垂直立于两个斜向支撑面41(或反光面42)之间，并位于两斜向支撑面41(或反光面42)之间的中心线上，而所述上层胶膜20为透明材质，其分别位于所述电池片31的两侧，介于反光面42与电池片31之间。Of course, in the second embodiment of the present invention, as shown in FIG. 3, the battery sheet 31 is disposed perpendicular to the cover plate 10 and the back plate 50, and the battery sheet 31 is a double-sided battery sheet, two of which are The surface can be used as a light receiving surface to absorb light. In order to increase the light absorption amount, in the embodiment, the oblique supporting surface 41 of the lower adhesive film 40 is not used to support the battery sheet 31, and the lower layer film The oblique supporting surface 41 of 40 is provided with a reflecting surface 42 for reflecting light onto both surfaces of the battery sheet 31, and the battery sheet 31 stands perpendicularly to the two oblique supporting surfaces 41 (or the reflecting surface 42). Between the two oblique support surfaces 41 (or the reflective surface 42) on the center line, and the upper adhesive film 20 is a transparent material, which is located on both sides of the battery sheet 31, and is reflective The surface 42 is between the battery sheet 31.

如图4所示为本实用新型第三实施例，与第一实施例不同的是，本实施例中所述光伏组件的盖板10及背板50均呈波浪形结构，且所述背板50的内表面及外表面均呈波浪形结构，所述盖板10的内表面及外表面均呈波浪形结构，而且，所述上层胶膜20的顶表面和底表面以及所述下层胶膜40的顶表面和底表面也均呈波浪形结构，本实施例中的电池串30的设置方式与第一实施例相同，不再赘述。As shown in FIG. 4, the third embodiment of the present invention is different from the first embodiment. In the embodiment, the cover 10 and the back plate 50 of the photovoltaic module have a wave-shaped structure, and the back plate is The inner surface and the outer surface of the cover 50 have a wavy structure, and the inner surface and the outer surface of the cover plate 10 have a wavy structure, and the top and bottom surfaces of the upper adhesive film 20 and the lower adhesive film The top surface and the bottom surface of the 40 are also in a wavy structure. The arrangement of the battery strings 30 in this embodiment is the same as that of the first embodiment, and will not be described again.

以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明保护的范围之内。 The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are made within the spirit and principles of the present invention, should be included in the present invention. Within the scope of protection.

Claims (14)

一种光伏组件，包括由上而下依次设置的盖板、上层胶膜、电池串、下层胶膜及背板，所述电池串包括若干电池片及连接电池片的连接件，其特征在于，相邻两个电池片之间存在夹角，所述夹角大于0°且小于180°。A photovoltaic module includes a cover plate, an upper adhesive film, a battery string, a lower adhesive film and a back plate which are sequentially disposed from top to bottom, and the battery string includes a plurality of battery sheets and a connecting piece connecting the battery sheets, wherein There is an angle between two adjacent cells, the angle being greater than 0° and less than 180°. 如权利要求1所述的光伏组件，其特征在于，所述电池片相对于所述盖板或背板呈倾斜或垂直设置。The photovoltaic module of claim 1 wherein said cell sheet is disposed obliquely or vertically relative to said cover or backing plate. 如权利要求1所述的光伏组件，其特征在于，所述下层胶膜设有若干支撑所述电池片的斜向支撑面。The photovoltaic module of claim 1 wherein said underlying film is provided with a plurality of oblique support faces for supporting said cell sheets. 如权利要求3所述的光伏组件，其特征在于，所述上层胶膜设有若干与所述斜向支撑面一一对应设置的斜向下压面，所述电池片夹设于所述斜向支撑面和斜向下压面之间。The photovoltaic module according to claim 3, wherein the upper adhesive film is provided with a plurality of oblique downward pressing faces disposed in one-to-one correspondence with the oblique supporting surfaces, and the battery sheet is sandwiched between the oblique electrodes Between the support surface and the oblique downward pressure surface. 如权利要求4所述的光伏组件，其特征在于，所述斜向支撑面与所述斜向下压面相互平行设置。The photovoltaic module according to claim 4, wherein said oblique support surface and said oblique downward pressing surface are disposed in parallel with each other. 如权利要求5所述的光伏组件，其特征在于，相邻两个斜向支撑面构成V字型或倒V字型。The photovoltaic module of claim 5 wherein the adjacent two oblique support faces form a V-shape or an inverted V-shape. 如权利要求6所述的光伏组件，其特征在于，所述电池串中相邻两个电池片的朝向不同。The photovoltaic module of claim 6 wherein the orientation of adjacent two of the battery strings is different. 如权利要求7所述的光伏组件，其特征在于，所述斜向支撑面的延伸方向与所述盖板或背板的夹角设为θ且0°＜θ≤90°，相邻两个斜向支撑面的夹角设为β且β＝180°-2θ。The photovoltaic module according to claim 7, wherein an angle between the extending direction of the oblique supporting surface and the cover or the back plate is θ and 0° < θ ≤ 90°, adjacent to two The angle between the oblique support faces is set to β and β = 180° - 2θ. 如权利要求1所述的光伏组件，其特征在于，所述电池片垂直于所述盖板和背板设置，且所述电池片为双面电池片。The photovoltaic module of claim 1 wherein said cell sheet is disposed perpendicular to said cover and backsheet and said cell sheet is a double sided cell. 如权利要求9所述的光伏组件，其特征在于，所述下层胶膜设有位于所述电池片两侧的反光面，所述电池片位于两反光面之间的中心线上。The photovoltaic module of claim 9 wherein said underlying film is provided with a reflective surface on either side of said cell, said cell being located on a centerline between the two reflective surfaces. 如权利要求10所述的光伏组件，其特征在于，所述上层胶膜位于所述电池片的两侧且介于所述反光面与电池片之间。The photovoltaic module according to claim 10, wherein said upper adhesive film is located on both sides of said battery sheet and between said reflective surface and said battery sheet. 如权利要求1至11任意一项所述的光伏组件，其特征在于，所述电池片采用方形电池片经等分切割后形成的若干长条状子电池片。The photovoltaic module according to any one of claims 1 to 11, wherein the battery sheet is formed by a plurality of elongated sub-cell sheets formed by halving the square battery sheets. 如权利要求1至8任意一项所述的光伏组件，其特征在于，所述背板和/或盖板的内表面和外表面均呈波浪形结构。A photovoltaic module according to any one of claims 1 to 8, wherein the inner and outer surfaces of the backing plate and/or the cover plate are both wavy. 如权利要求13所述的光伏组件，其特征在于，所述上层胶膜的顶表面和底表面以及所述下层胶膜的顶表面和底表面也均呈波浪形结构。 The photovoltaic module according to claim 13 wherein the top and bottom surfaces of said upper film and the top and bottom surfaces of said underlying film are also undulating.
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