技术领域technical field
本发明涉及光伏组件技术领域，具体涉及一种轻质柔性光伏组件。The invention relates to the technical field of photovoltaic components, in particular to a lightweight and flexible photovoltaic component.
背景技术Background technique
目前，市场上绝大多数的太阳能电池组件均通过支架进行固定、安装，且只能安装在平面区域。通过支架进行安装和固定光伏组件的安装成本高、安装位置比较固定；并且，常规的光伏组件的表面使用玻璃进行封装，因此，会使得光伏组件本身的重量为12kg/㎡，这将会对屋顶承载能力有一定要求。At present, most of the solar cell modules on the market are fixed and installed by brackets, and can only be installed in flat areas. Installing and fixing photovoltaic modules through brackets has high installation costs and relatively fixed installation locations; moreover, the surface of conventional photovoltaic modules is encapsulated with glass, so the weight of the photovoltaic module itself will be 12kg/㎡, which will affect the roof. Carrying capacity has certain requirements.
发明内容Contents of the invention
本发明的目的在于克服现有技术的不足，提供一种轻质柔性光伏组件，其技术方案为：The purpose of the present invention is to overcome the deficiencies of the prior art and provide a lightweight flexible photovoltaic module, the technical solution of which is:
所述光伏组件从上至下依次包括TFB膜层、阻水膜层、复合玻纤层、电池串、以及FFC双面含氟背膜层，所述TFB膜层与阻水膜层、阻水膜层与复合玻纤层、复合玻纤层与电池串、以及电池串与FFC双面含氟背膜层之间均通过EVA膜连接；所述TFB膜层上远离所述阻水膜层的一侧喷涂有镀膜液，所述阻水膜层从上至下依次包括EVA粘接剂层、PET膜层、高阻隔层、PE保护层、以及EVA粘接剂层。The photovoltaic module includes TFB film layer, water blocking film layer, composite glass fiber layer, battery string, and FFC double-sided fluorine-containing back film layer from top to bottom. The TFB film layer, water blocking film layer, water blocking film layer The film layer and the composite glass fiber layer, the composite glass fiber layer and the battery string, and the battery string and the FFC double-sided fluorine-containing backing film layer are all connected by EVA film; the TFB film layer is far away from the water-blocking film layer. Coating solution is sprayed on one side, and the water-blocking film layer sequentially includes an EVA adhesive layer, a PET film layer, a high barrier layer, a PE protective layer, and an EVA adhesive layer from top to bottom.
本发明提供的一种轻质柔性光伏组件，还包括如下附属技术方案：A lightweight flexible photovoltaic module provided by the present invention also includes the following subsidiary technical solutions:
其中，所述FFC双面含氟背膜层上远离电池串的一侧设置有铝箔。Wherein, aluminum foil is arranged on the side of the double-sided fluorine-containing back film layer of the FFC away from the battery string.
其中，所述铝箔通过电化学方法粘贴在所述含氟背膜层上远离所述电池串的一侧。Wherein, the aluminum foil is pasted on the side of the fluorine-containing back film layer away from the battery string by an electrochemical method.
其中，所述镀膜液包括改性硅烷、乙醇、以及添加剂。Wherein, the coating solution includes modified silane, ethanol, and additives.
其中，所述添加剂为水或辛醇，其质量百分比为1.5％-2.5％。Wherein, the additive is water or octanol, and its mass percentage is 1.5%-2.5%.
其中，所述EVA膜包括主料、光吸收剂、光稳定剂、抗氧化剂、以及固化剂。Wherein, the EVA film includes a main material, a light absorber, a light stabilizer, an antioxidant, and a curing agent.
其中，所述主料为乙烯-醋酸乙烯共聚物，所述光吸收剂为2-羟基-4-正辛氧基二苯甲酮，所述光稳定剂为双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯，所述抗氧化剂为亚磷酸三(壬基苯基)，所述固化剂为2,5-二甲基-2,5二特丁基过氧化己烷。Wherein, the main material is ethylene-vinyl acetate copolymer, the light absorber is 2-hydroxyl-4-n-octyloxybenzophenone, and the light stabilizer is bis(2,2,6,6 -Tetramethyl-4-piperidinyl) sebacate, the antioxidant is tris(nonylphenyl)phosphite, and the curing agent is 2,5-dimethyl-2,5 di-tertbutyl Hexyl peroxide.
其中，所述乙烯-醋酸乙烯共聚物的质量百分比为97.8％-98％，所述2-羟基-4-正辛氧基二苯甲酮的质量百分比为0.28％-0.32％，所述双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯的质量百分比为0.08％-0.12％，所述亚磷酸三(壬基苯基)的质量百分比为0.18％-0.22％，所述2,5-二甲基-2,5二特丁基过氧化己烷的质量百分比为1.45％-1.55％。Wherein, the mass percentage of the ethylene-vinyl acetate copolymer is 97.8%-98%, the mass percentage of the 2-hydroxy-4-n-octyloxybenzophenone is 0.28%-0.32%, and the bis( The mass percent of 2,2,6,6-tetramethyl-4-piperidinyl) sebacate is 0.08%-0.12%, and the mass percent of the phosphorous acid tris(nonylphenyl) is 0.18%- 0.22%, and the mass percentage of the 2,5-dimethyl-2,5-di-tertbutylperoxyhexane is 1.45%-1.55%.
其中，所述乙烯-醋酸乙烯共聚物的质量百分比为97.9％，所述2-羟基-4-正辛氧基二苯甲酮的质量百分比为0.3％，所述双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯的质量百分比为0.1％，所述亚磷酸三(壬基苯基)的质量百分比为0.2％，所述2,5-二甲基-2,5二特丁基过氧化己烷的质量百分比为1.5％。Wherein, the mass percentage of the ethylene-vinyl acetate copolymer is 97.9%, the mass percentage of the 2-hydroxy-4-n-octyloxybenzophenone is 0.3%, and the bis(2,2,6, The mass percent of 6-tetramethyl-4-piperidinyl) sebacate is 0.1%, the mass percent of the phosphorous acid tris(nonylphenyl) is 0.2%, and the 2,5-dimethyl The mass percent of -2,5 di-t-butylperoxyhexane is 1.5%.
其中，所述乙烯-醋酸乙烯共聚物中，所述醋酸乙烯的质量百分比为21％。Wherein, in the ethylene-vinyl acetate copolymer, the mass percentage of the vinyl acetate is 21%.
本发明的实施包括以下技术效果：Implementation of the present invention comprises following technical effect:
本发明提供的一种轻质柔性光伏组件，通过将常规的光伏组件的盖板由玻璃换成本申请中的TFB膜层，并在TFB膜层上远离复合玻纤层的一侧喷涂有镀膜液，从而不仅降低了本申请的光伏组件的重量，而且使得本申请中光伏组件具有柔性，能够安装在曲面屋顶；其中，镀膜液能够填充TFB膜层上的凹坑，使TFB膜层与外部接触的一侧变得平整、光滑，以增加光的增透性，进而使盖板的光学增透性达到2％以上；阻水膜中的PET膜层能降低表面能，降低灰尘的附着，使灰尘容易被风带走，且能有效地阻隔水蒸气渗透。The present invention provides a lightweight flexible photovoltaic module, by replacing the cover plate of the conventional photovoltaic module with glass for the TFB film layer in this application, and spraying a coating on the side of the TFB film layer away from the composite glass fiber layer liquid, thereby not only reducing the weight of the photovoltaic module of the present application, but also making the photovoltaic module of the present application flexible and able to be installed on a curved roof; wherein, the coating solution can fill the pits on the TFB film layer, so that the TFB film layer is in contact with the outside The side of the contact becomes flat and smooth to increase the anti-reflection of light, so that the optical anti-reflection of the cover plate can reach more than 2%; the PET film layer in the water-blocking film can reduce the surface energy and reduce the adhesion of dust. The dust is easily taken away by the wind, and it can effectively block the penetration of water vapor.
并且，本申请中的轻质柔性光伏组件在安装时，无需使用安装支架进行安装，仅需在安装面上安装胶条，即可实现光伏组件的安装，其安装位置不受限制，且由于本申请中光伏组件的重量降低到3.5kg/㎡，因此，其对屋顶承载要求远远低于常规组件要求。Moreover, when installing the light-weight flexible photovoltaic module in this application, there is no need to use the installation bracket for installation, and the installation of the photovoltaic module can be realized only by installing adhesive strips on the installation surface. The installation position is not limited, and because of this The weight of the photovoltaic module in the application is reduced to 3.5kg/㎡, so its load-bearing requirements on the roof are far lower than those of conventional modules.
附图说明Description of drawings
图1为本发明的轻质柔性光伏组件的结构示意图。Fig. 1 is a schematic structural view of the lightweight flexible photovoltaic module of the present invention.
图中，1-TFB膜层，2-阻水膜，3-复合玻纤层，4-电池串，5-FFC双面含氟背膜层，6-EVA膜。In the figure, 1-TFB film layer, 2-water blocking film, 3-composite glass fiber layer, 4-battery string, 5-FFC double-sided fluorine-containing back film layer, 6-EVA film.
具体实施方式Detailed ways
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。Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
如图1所示，本发明提供的一种轻质柔性光伏组件，所述光伏组件从上至下依次包括TFB膜层1、阻水膜层2、复合玻纤层3、电池串4、以及FFC双面含氟背膜层5，所述TFB膜层1与阻水膜层2、阻水膜层2与复合玻纤层3、复合玻纤层3与电池串4、以及电池串4与FFC双面含氟背膜层5之间均通过EVA膜6连接；所述TFB膜层1上远离所述阻水膜层2的一侧喷涂有镀膜液，所述阻水膜层2从上至下依次包括EVA粘接剂层、PET膜层、高阻隔层、PE保护层、以及EVA粘接剂层。As shown in Figure 1, a lightweight flexible photovoltaic module provided by the present invention, the photovoltaic module includes TFB film layer 1, water blocking film layer 2, composite glass fiber layer 3, battery string 4, and FFC double-sided fluorine-containing back film layer 5, the TFB film layer 1 and water blocking film layer 2, water blocking film layer 2 and composite glass fiber layer 3, composite glass fiber layer 3 and battery string 4, and battery string 4 and The FFC double-sided fluorine-containing back film layers 5 are all connected by EVA film 6; the side of the TFB film layer 1 away from the water-blocking film layer 2 is sprayed with a coating solution, and the water-blocking film layer 2 is sprayed from the top It includes an EVA adhesive layer, a PET film layer, a high barrier layer, a PE protective layer, and an EVA adhesive layer in sequence.
其中，所述TFB膜层从上至下依次包括外层保护层PVF、中间层PET、以及含氟粘结层。Wherein, the TFB film layer sequentially includes an outer protective layer PVF, a middle layer PET, and a fluorine-containing adhesive layer from top to bottom.
(1)外层保护层PVF——耐候层：为了使光伏组件具有良好的耐候性，一般要求外层材料含氟，而PVF和PVDF是众所周知的两种耐候性高分子材料，因其内部存在的C-F键键能是485KJ/mol，其是有机化合物共价键中键能最大的，只有波长小于220nm的光子才能解离C-F键，而太阳光中，波长小于220nm的光子只占不到5％，而且该极少的波长小于220nm的光子容易被臭氧层吸收，能到达地面的极少。因此，通过在光伏组件的最外层设置PVF保护层能够极大地提高光伏组件的耐候性。(1) Outer protective layer PVF—weather-resistant layer: In order to make photovoltaic modules have good weather resistance, the outer layer material is generally required to contain fluorine, and PVF and PVDF are two well-known weather-resistant polymer materials, because of the presence of The bond energy of the C-F bond is 485KJ/mol, which is the largest bond energy in the covalent bond of organic compounds. Only photons with a wavelength of less than 220nm can dissociate the C-F bond, and in sunlight, photons with a wavelength of less than 220nm account for less than 5 %, and the very few photons with a wavelength less than 220nm are easily absorbed by the ozone layer, and very few of them can reach the ground. Therefore, the weather resistance of the photovoltaic module can be greatly improved by arranging a PVF protective layer on the outermost layer of the photovoltaic module.
(2)中间层PET：起支撑作用，能耐高低温，机械性能稳定，电绝缘性优良，抗蠕动性、耐疲劳性、耐摩擦性、尺寸稳定性好，气体和蒸汽渗透率要低。(2) The middle layer PET: plays a supporting role, can withstand high and low temperatures, has stable mechanical properties, excellent electrical insulation, creep resistance, fatigue resistance, friction resistance, good dimensional stability, and low gas and steam permeability.
(3)含氟粘结层：由于未经改性的含氟薄膜及PET，与EVA粘结牢度差，所以需要使用改性的含氟材料或粘结性强的EVA、PE、PA膜。(3) Fluorine-containing adhesive layer: Since the unmodified fluorine-containing film and PET have poor bonding fastness to EVA, it is necessary to use modified fluorine-containing materials or EVA, PE, and PA films with strong adhesion .
本发明提供的一种轻质柔性光伏组件，通过将常规的光伏组件的盖板由玻璃换成本申请中的TFB膜层，并在TFB膜层上远离复合玻纤层的一侧喷涂有镀膜液，从而不仅降低了本申请的光伏组件的重量，而且使得本申请中光伏组件具有柔性，能够安装在曲面屋顶；其中，镀膜液能够填充TFB膜层上的凹坑，使TFB膜层与外部接触的一侧变得平整、光滑，以增加光的增透性，进而使盖板的光学增透性达到2％以上；阻水膜中的PET膜层能降低表面能，降低灰尘的附着，使灰尘容易被风带走，且能有效地阻隔水蒸气渗透。The present invention provides a lightweight flexible photovoltaic module, by replacing the cover plate of the conventional photovoltaic module with glass for the TFB film layer in this application, and spraying a coating on the side of the TFB film layer away from the composite glass fiber layer liquid, thereby not only reducing the weight of the photovoltaic module of the present application, but also making the photovoltaic module of the present application flexible and able to be installed on a curved roof; wherein, the coating solution can fill the pits on the TFB film layer, so that the TFB film layer is in contact with the outside The side of the contact becomes flat and smooth to increase the anti-reflection of light, so that the optical anti-reflection of the cover plate can reach more than 2%; the PET film layer in the water-blocking film can reduce the surface energy and reduce the adhesion of dust. The dust is easily taken away by the wind, and it can effectively block the penetration of water vapor.
并且，本申请中的轻质柔性光伏组件在安装时，无需使用安装支架进行安装，仅需在安装面上安装胶条，即可实现光伏组件的安装，其安装位置不受限制，且由于本申请中光伏组件的重量降低到3.5kg/㎡，因此，其对屋顶承载要求远远低于常规组件要求。Moreover, when installing the light-weight flexible photovoltaic module in this application, there is no need to use the installation bracket for installation, and the installation of the photovoltaic module can be realized only by installing adhesive strips on the installation surface. The installation position is not limited, and because of this The weight of the photovoltaic module in the application is reduced to 3.5kg/㎡, so its load-bearing requirements on the roof are far lower than those of conventional modules.
优选地，所述FFC双面含氟背膜层上远离电池串的一侧设置有铝箔。本实施例中通过在FFC双面含氟背膜层上远离电池串的一侧设置铝箔，以使光伏组件的背面也能够100％的阻止水蒸气的渗透。Preferably, aluminum foil is provided on the side of the double-sided fluorine-containing back film layer of the FFC away from the battery string. In this embodiment, aluminum foil is provided on the side of the double-sided fluorine-containing back film layer of the FFC away from the battery string, so that the back of the photovoltaic module can also 100% prevent the penetration of water vapor.
更优选地，所述铝箔通过电化学方法粘贴在所述含氟背膜层上远离所述电池串的一侧。More preferably, the aluminum foil is electrochemically pasted on the side of the fluorine-containing back film layer away from the battery string.
优选地，所述镀膜液包括改性硅烷、乙醇、以及添加剂。其中，所述添加剂为助剂，其可以是水，也可是辛醇，还可以是水与辛醇的混合物，其质量百分比为1.5％-2.5％。Preferably, the coating solution includes modified silane, ethanol, and additives. Wherein, the additive is an auxiliary agent, which may be water, octanol, or a mixture of water and octanol, and its mass percentage is 1.5%-2.5%.
优选地，其中，所述EVA膜包括主料、光吸收剂、光稳定剂、抗氧化剂、以及固化剂。Preferably, wherein, the EVA film includes a main material, a light absorber, a light stabilizer, an antioxidant, and a curing agent.
其中，所述主料为乙烯-醋酸乙烯共聚物，所述光吸收剂为2-羟基-4-正辛氧基二苯甲酮，所述光稳定剂为双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯，所述抗氧化剂为亚磷酸三(壬基苯基)，所述固化剂为2,5-二甲基-2,5二特丁基过氧化己烷。Wherein, the main material is ethylene-vinyl acetate copolymer, the light absorber is 2-hydroxyl-4-n-octyloxybenzophenone, and the light stabilizer is bis(2,2,6,6 -Tetramethyl-4-piperidinyl) sebacate, the antioxidant is tris(nonylphenyl)phosphite, and the curing agent is 2,5-dimethyl-2,5 di-tertbutyl Hexyl peroxide.
优选地，所述乙烯-醋酸乙烯共聚物的质量百分比为97.8％-98％，所述2-羟基-4-正辛氧基二苯甲酮的质量百分比为0.28％-0.32％，所述双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯的质量百分比为0.08％-0.12％，所述亚磷酸三(壬基苯基)的质量百分比为0.18％-0.22％，所述2,5-二甲基-2,5二特丁基过氧化己烷的质量百分比为1.45％-1.55％。Preferably, the mass percentage of the ethylene-vinyl acetate copolymer is 97.8%-98%, the mass percentage of the 2-hydroxy-4-n-octyloxybenzophenone is 0.28%-0.32%, and the bis The mass percentage of (2,2,6,6-tetramethyl-4-piperidinyl) sebacate is 0.08%-0.12%, and the mass percentage of the phosphorous acid tris(nonylphenyl) is 0.18% -0.22%, the mass percentage of the 2,5-dimethyl-2,5-di-tertbutylperoxyhexane is 1.45%-1.55%.
更优选地，所述乙烯-醋酸乙烯共聚物的质量百分比为97.9％，所述2-羟基-4-正辛氧基二苯甲酮的质量百分比为0.3％，所述双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯的质量百分比为0.1％，所述亚磷酸三(壬基苯基)的质量百分比为0.2％，所述2,5-二甲基-2,5二特丁基过氧化己烷的质量百分比为1.5％。More preferably, the mass percentage of the ethylene-vinyl acetate copolymer is 97.9%, the mass percentage of the 2-hydroxy-4-n-octyloxybenzophenone is 0.3%, and the bis(2,2, The mass percent of 6,6-tetramethyl-4-piperidinyl) sebacate is 0.1%, the mass percent of the phosphorous acid tris(nonylphenyl) is 0.2%, and the 2,5-di The mass percent of methyl-2,5 di-t-butylperoxyhexane is 1.5%.
其中，所述乙烯-醋酸乙烯共聚物中，所述醋酸乙烯的质量百分比为21％。本实施例通过将乙烯-醋酸乙烯共聚物中，醋酸乙烯的质量百分比设置为21％，以增加PVF膜的硬度。Wherein, in the ethylene-vinyl acetate copolymer, the mass percentage of the vinyl acetate is 21%. In this embodiment, the hardness of the PVF film is increased by setting the mass percentage of vinyl acetate in the ethylene-vinyl acetate copolymer to 21%.
本领域技术人员在考虑说明书及实践这里公开的公开后，将容易想到本发明的其它实施方案。本申请旨在涵盖本发明的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本发明未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明的真正范围和精神由下面的权利要求指出。Other embodiments of the invention will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any modification, use or adaptation of the present invention, these modifications, uses or adaptations follow the general principles of the present invention and include common knowledge or conventional technical means in the technical field not disclosed in the present invention . The specification and examples are to be considered exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
应当理解的是，本发明并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。It should be understood that the present invention is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910843053.2ACN110544728B (en) | 2019-09-06 | 2019-09-06 | Light flexible photovoltaic module |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910843053.2ACN110544728B (en) | 2019-09-06 | 2019-09-06 | Light flexible photovoltaic module |
| Publication Number | Publication Date |
|---|---|
| CN110544728Atrue CN110544728A (en) | 2019-12-06 |
| CN110544728B CN110544728B (en) | 2024-11-01 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910843053.2AActiveCN110544728B (en) | 2019-09-06 | 2019-09-06 | Light flexible photovoltaic module |
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| CN (1) | CN110544728B (en) |
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| CN114583000A (en)* | 2022-03-18 | 2022-06-03 | 苏州零碳绿建新能源科技有限公司 | Light photovoltaic module and preparation method thereof |
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