CN107833936A - Generating electricity on two sides photovoltaic module - Google Patents
Generating electricity on two sides photovoltaic module Download PDFInfo
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- CN107833936A CN107833936A CN201711025533.5A CN201711025533A CN107833936A CN 107833936 A CN107833936 A CN 107833936A CN 201711025533 A CN201711025533 A CN 201711025533A CN 107833936 A CN107833936 A CN 107833936A
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- 230000005611 electricity Effects 0.000 title claims description 15
- 238000003466 welding Methods 0.000 claims abstract description 12
- 229910000679 solder Inorganic materials 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000005336 safety glass Substances 0.000 claims 8
- 238000007747 plating Methods 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 74
- 239000005341 toughened glass Substances 0.000 abstract description 35
- 238000005538 encapsulation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- H10F19/90—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
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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
- H10F19/807—Double-glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
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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
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/311—Coatings for devices having potential barriers for photovoltaic cells
- H10F77/315—Coatings for devices having potential barriers for photovoltaic cells the coatings being antireflective or having enhancing optical properties
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- 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
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- Photovoltaic Devices (AREA)
Abstract
本发明提供了一种双面发电光伏组件，属于光伏发电领域，包括多片双面发电电池片，双面发电电池片上焊接有焊带，通过正面钢化玻璃和背面钢化玻璃进行封装，焊带为凹凸双面反光焊带，凹凸双面反光焊带一侧的凹凸面与双面发电电池片焊接，另一侧的凹凸面用于接收并反射光能，背面钢化玻璃上设置有白色镀釉部分，白色镀釉部分位于背面钢化玻璃的非电池片部位，光照从正面钢化玻璃和背面钢化玻璃入射后，经过白色镀釉部分和凹凸双面反光焊带反射至双面发电电池片上。本发明通过使用白色镀釉背面钢化玻璃和凹凸双面发光焊带，不论组件的正面还是背面，可以将光线多次反射到电池片上，将不同角度的入射光线更多的反射到电池片上，进而提升组件的发电量。
The invention provides a double-sided power generation photovoltaic module, which belongs to the field of photovoltaic power generation, and includes multiple double-sided power generation cells. The double-sided power generation cells are welded with welding ribbons, and are encapsulated by front tempered glass and back tempered glass. The solder ribbons are Concave-convex double-sided reflective welding ribbon, the concave-convex surface on one side of the concave-convex double-sided reflective welding ribbon is welded to the double-sided power generation cells, the concave-convex surface on the other side is used to receive and reflect light energy, and the tempered glass on the back is provided with a white glazed part , the white glazed part is located on the non-cell part of the back tempered glass. After the light is incident from the front tempered glass and the back tempered glass, it is reflected to the double-sided power generation cells through the white glazed part and the concave-convex double-sided reflective ribbon. In the present invention, by using the tempered glass on the back of the white glaze and the concave-convex double-sided light emitting ribbon, regardless of the front or the back of the module, the light can be reflected to the battery sheet multiple times, and more incident light from different angles can be reflected to the battery sheet. Increase power generation of components.
Description
技术领域technical field
本发明属于光伏发电技术领域，更具体地说，是涉及一种双面发电光伏组件。The invention belongs to the technical field of photovoltaic power generation, and more specifically relates to a double-sided power generation photovoltaic module.
背景技术Background technique
双面发电光伏组件：将双面发电电池片通过串联或并联的连接方式可以将光能转化为电能的器件，一般通过正背面钢化玻璃通过透明封装胶膜进行封装。Double-sided power generation photovoltaic module: a device that converts light energy into electrical energy by connecting double-sided power generation cells in series or in parallel. It is generally packaged with tempered glass on the front and back through a transparent packaging film.
光伏组件市场主要以晶硅组件为主，主流组件为单面发电组件，通过EVA、背板、边框进行封装，而近来市场上逐渐兴起双玻组件，双玻组件分为单面发电双玻组件(如P型多晶、P型单晶组件)和双面发电双玻组件(N型单晶组件)，而双面发电组件具有正背面均能发电的功能，主要是通过地面反射的光照射到组件背面，从而提高光伏组件的发电量效果，不同的反射背景提升光伏组件发电增益不同，一般为10％-30％。双面发电组件正背面通过透明胶膜进行封装，这样会导致正面照射的光通过非电池部位透过光伏组件，这部分的光不能够得到利用；另一方面，焊带遮挡电池片光照，均造成光照资源的浪费，因此双面发电光伏组件的正面发电封装损失较常规白色背板光伏组件封装损失高约2％左右。The photovoltaic module market is mainly dominated by crystalline silicon modules. The mainstream modules are single-sided power generation modules, which are packaged through EVA, backplanes, and frames. Recently, double-glass modules have gradually emerged in the market. Double-glass modules are divided into single-sided power generation and double-glass modules. (such as P-type polycrystalline, P-type single crystal components) and double-sided power generation double-glass components (N-type single crystal components), and double-sided power generation components have the function of generating electricity on both the front and back, mainly through the light reflected from the ground To the back of the module, so as to improve the power generation effect of the photovoltaic module, different reflection backgrounds enhance the power generation gain of the photovoltaic module, which is generally 10%-30%. The front and back of the double-sided power generation module are encapsulated with a transparent film, which will cause the light irradiated on the front to pass through the photovoltaic module through the non-battery part, and this part of the light cannot be used; It causes a waste of light resources, so the encapsulation loss of the front-side power generation of the double-sided power generation photovoltaic module is about 2% higher than that of the conventional white backplane photovoltaic module.
而目前市场上双面发电组件的测试没有统一的标准，均采用常规组件的正面测试功率进行销售，因此如何降低双面发电光伏组件封装损失并保证双面发电的特性很有必要。At present, there is no uniform standard for the testing of bifacial power generation modules in the market, and they are sold using the front side test power of conventional modules. Therefore, it is necessary to reduce the packaging loss of bifacial power generation photovoltaic modules and ensure the characteristics of bifacial power generation.
发明内容Contents of the invention
本发明的目的在于提供一种双面发电光伏组件，以解决现有技术中存在的如何提高双面发电电池片的光能吸收率，增加双面发电光伏组件的发电量的技术问题。The purpose of the present invention is to provide a double-sided power generation photovoltaic module to solve the technical problem of how to improve the light energy absorption rate of the double-sided power generation cells and increase the power generation of the double-sided power generation photovoltaic module existing in the prior art.
为实现上述目的，本发明采用的技术方案是：提供一种双面发电光伏组件，包括：包括多片双面发电电池片，所述双面发电电池片上焊接有焊带，通过正面钢化玻璃和背面钢化玻璃进行封装，所述焊带为凹凸双面反光焊带，所述凹凸双面反光焊带一侧的凹凸面与所述双面发电电池片焊接，另一侧的凹凸面用于接收并反射光能，所述背面钢化玻璃上设置有白色镀釉部分，所述白色镀釉部分位于所述背面钢化玻璃的非电池片部位，光照从所述正面钢化玻璃和背面钢化玻璃入射后，经过所述白色镀釉部分和所述凹凸双面反光焊带反射至所述双面发电电池片上。In order to achieve the above object, the technical solution adopted by the present invention is to provide a double-sided power generation photovoltaic module, including: including a plurality of double-sided power generation cells, and welding ribbons are welded on the double-sided power generation cells, through front tempered glass and Encapsulated with toughened glass on the back, the solder ribbon is a concave-convex double-sided reflective ribbon, the concave-convex surface on one side of the concave-convex double-sided reflective ribbon is welded to the double-sided power generation cell, and the concave-convex surface on the other side is used to receive And reflect light energy, the back tempered glass is provided with a white glazed part, the white glazed part is located in the non-cell part of the back tempered glass, after the light is incident on the front tempered glass and the back tempered glass, Reflected onto the double-sided power generation battery sheet through the white glazed part and the concave-convex double-sided reflective soldering tape.
进一步地，所述多片双面发电电池片通过封装材料被封装在所述正面钢化玻璃和背面钢化玻璃之间，所述封装材料为背面透明聚烯烃。Further, the multiple pieces of double-sided power generation cells are encapsulated between the front tempered glass and the back tempered glass through an encapsulation material, and the encapsulation material is transparent polyolefin on the back.
进一步地，所述双面发电电池片为N型双面发电电池片。Further, the double-sided power generation cell is an N-type double-sided power generation cell.
进一步地，所述凹凸双面反光焊带的凹凸面成锯齿型。Further, the concave-convex surface of the concave-convex double-sided reflective welding tape is zigzag.
进一步地，所述背面钢化玻璃外侧设置有用于组件电能输出的分体式接线盒。Further, a split junction box for power output of components is provided outside the tempered glass on the back.
本发明提供的双面发电光伏组件的有益效果在于：The beneficial effects of the double-sided power generation photovoltaic module provided by the present invention are:
与现有技术相比，本发明双面发电光伏组件，使用双面发电电池片，通过正面钢化玻璃和背面钢化玻璃进行封装，保证光伏组件具有双面发电的功能，同时在背面钢化玻璃为非电池片部位进行白色镀釉，使得光线不能透过光伏组件，而是通过反射到双面发电电池片上得以利用，使得发电量得到可观提升。使用凹凸双面反光焊带，相比于现有技术的焊带遮挡电池片光照，光照通过凹凸双面反光焊带的反射回到双面发电电池片上得以利用，使得发电量进一步得到提升。Compared with the existing technology, the double-sided power generation photovoltaic module of the present invention uses double-sided power generation cells and is encapsulated by front tempered glass and back toughened glass to ensure that the photovoltaic module has the function of double-sided power generation. The white glaze is applied to the cells, so that the light cannot pass through the photovoltaic modules, but can be used by reflecting to the double-sided power generation cells, which greatly improves the power generation. Using the concave-convex double-sided reflective ribbon, compared with the prior art ribbon that blocks the light of the battery sheet, the light is reflected back to the double-sided power generation battery through the concave-convex double-sided reflective ribbon to be used, which further improves the power generation.
即光线可通过反光焊带、背面玻璃白色镀釉部分起主要反射作用，玻璃、电池起次要反射作用，通过几种不同情况的反射搭配，将更多直接照射到电池部位的光能也利用起来，均能提升电池片吸收的光能，进而更多的增加双面光伏组件的发电量。That is to say, the light can be mainly reflected by the reflective ribbon and the white glazed part of the back glass, and the glass and the battery can be used as the secondary reflection. Through the combination of reflections in several different situations, more light energy directly irradiated to the battery can also be used. Together, it can increase the light energy absorbed by the cells, and further increase the power generation of the double-sided photovoltaic modules.
综上所述，本发明提供的双面发电光伏组件，通过使用白色镀釉背面钢化玻璃和凹凸双面发光焊带，不论组件的正面还是背面，可以将光线多次反射到电池片上，可以将不同角度的入射光线更多的反射到电池片上，进而提升组件的发电量。To sum up, the double-sided power generation photovoltaic module provided by the present invention can reflect light to the battery sheet multiple times regardless of the front or back of the module by using the white glazed back tempered glass and the concave-convex double-sided light-emitting ribbon, which can Incident light from different angles is more reflected to the battery sheet, thereby increasing the power generation of the module.
附图说明Description of drawings
为了更清楚地说明本发明实施例中的技术方案，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发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.
图1为本发明实施例提供的双面发电光伏组件的组件结构及光线图；Fig. 1 is the module structure and light diagram of the double-sided power generation photovoltaic module provided by the embodiment of the present invention;
图2为本发明实施例提供的双面发电光伏组件的背面玻璃的示意图。Fig. 2 is a schematic diagram of the back glass of the double-sided power generation photovoltaic module provided by the embodiment of the present invention.
其中，图中各附图标记：Wherein, each reference sign in the figure:
1-双面发电电池片；2-正面钢化玻璃；3-背面钢化玻璃；4-凹凸双面反光焊带；5-白色镀釉部分；6-封装材料；7-分体式接线盒。1-double-sided power generation cell; 2-front tempered glass; 3-back tempered glass; 4-concave-convex double-sided reflective welding strip; 5-white glazed part; 6-encapsulation material; 7-split junction box.
具体实施方式Detailed ways
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or that an element must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”、“若干个”的含义是两个或两个以上，除非另有明确具体的限定。In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" and "several" mean two or more, unless otherwise specifically defined.
请参阅图1，现对本发明提供的双面发电光伏组件进行说明。所述双面发电光伏组件，包括多片双面发电电池片1，双面发电电池片1上焊接有焊带，通过正面钢化玻璃2和背面钢化玻璃3进行封装，焊带为凹凸双面反光焊带4，凹凸双面反光焊带4一侧的凹凸面与双面发电电池片1焊接，另一侧的凹凸面用于接收并反射光能，背面钢化玻璃3上设置有白色镀釉部分5，白色镀釉部分5位于背面钢化玻璃3的非电池片部位，如图1中箭头所示，光照从正面钢化玻璃2和背面钢化玻璃3入射后，经过白色镀釉部分5和凹凸双面反光焊带4反射至双面发电电池片1上。Referring to Fig. 1, the double-sided power generation photovoltaic module provided by the present invention is now described. The double-sided power generation photovoltaic module includes a plurality of double-sided power generation cells 1, and the double-sided power generation cells 1 are welded with welding ribbons, which are encapsulated by front tempered glass 2 and back tempered glass 3, and the solder ribbons are concave-convex and double-sided reflective. Welding ribbon 4, concave-convex double-sided reflective welding ribbon 4 The concave-convex surface on one side is welded to the double-sided power generation cell 1, the concave-convex surface on the other side is used to receive and reflect light energy, and the tempered glass 3 on the back is provided with a white glazed part 5. The white glazed part 5 is located on the non-cell part of the back tempered glass 3, as shown by the arrow in Figure 1, after the light is incident from the front tempered glass 2 and the back tempered glass 3, it passes through the white glazed part 5 and the concave-convex double-sided The reflective ribbon 4 is reflected onto the double-sided power generation cell sheet 1 .
与现有技术相比，本发明双面发电光伏组件，使用双面发电电池片1，通过正面钢化玻璃2和背面钢化玻璃3进行封装，保证光伏组件具有双面发电的功能，同时在背面钢化玻璃3为非电池片部位进行白色镀釉，使得光线不能透过光伏组件，而是通过反射到双面发电电池片1上得以利用，使得发电量得到可观提升。使用凹凸双面反光焊带4，相比于现有技术的焊带遮挡电池片光照，光照通过凹凸双面反光焊带4的反射回到双面发电电池片1上得以利用，使得发电量进一步得到提升。Compared with the prior art, the double-sided power generation photovoltaic module of the present invention uses double-sided power generation cells 1 and is encapsulated by the front tempered glass 2 and the back tempered glass 3 to ensure that the photovoltaic module has the function of double-sided power generation, and at the same time, the back side is tempered The glass 3 is glazed white on the non-battery parts, so that the light can not pass through the photovoltaic module, but can be used by reflecting to the double-sided power generation battery 1, so that the power generation can be considerably improved. Using the concave-convex double-sided reflective ribbon 4, compared with the prior art ribbons that block the light of the battery sheet, the light is reflected back to the double-sided power generation battery sheet 1 through the concave-convex double-sided reflective ribbon 4 to be utilized, so that the power generation capacity is further improved. get promoted.
即光线可通过反光焊带、背面玻璃白色镀釉部分5起主要反射作用，玻璃、电池起次要反射作用，通过几种不同情况的反射搭配，将更多直接照射到电池部位的光能也利用起来，均能提升电池片吸收的光能，进而更多的增加双面光伏组件的发电量。That is to say, the light can be mainly reflected by the reflective ribbon and the white glazed part of the back glass, and the glass and the battery can be used as the secondary reflection. Through the combination of reflections in several different situations, more light energy that is directly irradiated to the battery is also reflected. When used, it can increase the light energy absorbed by the battery sheet, and further increase the power generation of the double-sided photovoltaic module.
综上所述，本发明提供的双面发电光伏组件，通过使用白色镀釉背面钢化玻璃3和凹凸双面发光焊带，不论组件的正面还是背面，可以将光线多次反射到电池片上，可以将不同角度的入射光线更多的反射到电池片上，进而提升组件的发电量。In summary, the double-sided power generation photovoltaic module provided by the present invention can reflect light to the battery sheet multiple times regardless of the front or back of the module by using the white glazed back tempered glass 3 and the concave-convex double-sided light-emitting ribbon, which can Reflect more incident light from different angles to the battery sheet, thereby increasing the power generation of the module.
请参阅图1，本发明中，白色镀釉部分5位于背面钢化玻璃3的非电池片部位，其中，非电池片部位包括电池片间、电池串间和边缘部位。Please refer to FIG. 1 , in the present invention, the white glazed part 5 is located on the non-battery part of the tempered glass 3 on the back side, wherein the non-battery part includes between battery pieces, between battery strings and edge parts.
进一步地，请参阅图1，作为本发明提供的双面发电光伏组件的一种具体实施方式，双面发电电池片1为N型双面发电电池片。Further, please refer to FIG. 1 , as a specific embodiment of the double-sided power generation photovoltaic module provided by the present invention, the double-sided power generation cell 1 is an N-type double-sided power generation cell.
进一步地，请参阅图1，作为本发明提供的双面发电光伏组件的一种具体实施方式，凹凸双面反光焊带4的凹凸面成锯齿型。即凹凸双面反光焊带的表面为凹凸棱面，当用激光笔照射反光焊带时，光束不会分散，仍然再反射集中到电池片表面。Further, please refer to FIG. 1 , as a specific embodiment of the double-sided power generation photovoltaic module provided by the present invention, the concave-convex surface of the concave-convex double-sided reflective ribbon 4 is zigzag. That is, the surface of the concave-convex double-sided reflective ribbon is a concave-convex facet. When the laser pointer is used to irradiate the reflective ribbon, the beam will not be scattered, and it will still be reflected and concentrated on the surface of the battery sheet.
进一步地，请参阅图1，作为本发明提供的双面发电光伏组件的一种具体实施方式，多片双面发电电池片1通过封装材料6被封装在正面钢化玻璃2和背面钢化玻璃3之间，封装材料6为背面透明聚烯烃。Further, please refer to FIG. 1 , as a specific embodiment of the double-sided power generation photovoltaic module provided by the present invention, multiple double-sided power generation cells 1 are encapsulated between the front tempered glass 2 and the back tempered glass 3 through the packaging material 6 In between, the packaging material 6 is transparent polyolefin on the back.
进一步地，请参阅图1，作为本发明提供的双面发电光伏组件的一种具体实施方式，背面钢化玻璃3外侧设置有用于组件电能输出的分体式接线盒7。Further, please refer to FIG. 1 , as a specific embodiment of the double-sided power generation photovoltaic module provided by the present invention, a split junction box 7 for power output of the module is arranged on the outside of the back tempered glass 3 .
请参阅图2，本发明提供的双面发电光伏组件，组件外观良好，达到了正背面均发电并且非电池部位光线可利用，焊带反光的效果。Please refer to Figure 2. The double-sided power generation photovoltaic module provided by the present invention has a good appearance, and achieves the effect of power generation on both the front and back sides, and the light can be used in non-battery parts, and the welding ribbon is reflective.
本发明提出的双面反光焊带与白色镀釉玻璃的搭配使用，可以应用在不同类型电池片的组件上，包括N型单晶电池片、P型多晶电池片和P型单晶电池片等类型，可广泛推广。The combination of the double-sided reflective ribbon proposed by the present invention and the white glazed glass can be applied to the components of different types of cells, including N-type monocrystalline cells, P-type polycrystalline cells and P-type monocrystalline cells and other types can be widely promoted.
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作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.
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