WO2014019502A1 - 全玻太阳能电池板组件 - Google Patents

全玻太阳能电池板组件 Download PDF

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Publication number
WO2014019502A1
WO2014019502A1 PCT/CN2013/080441 CN2013080441W WO2014019502A1 WO 2014019502 A1 WO2014019502 A1 WO 2014019502A1 CN 2013080441 W CN2013080441 W CN 2013080441W WO 2014019502 A1 WO2014019502 A1 WO 2014019502A1
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Prior art keywords
panel
glass solar
junction box
panel assembly
glass
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PCT/CN2013/080441
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English (en)
French (fr)
Inventor
刘岱
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英利能源(中国)有限公司
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Application filed by 英利能源(中国)有限公司 filed Critical 英利能源(中国)有限公司
Priority to DE112013003758.0T priority Critical patent/DE112013003758T5/de
Publication of WO2014019502A1 publication Critical patent/WO2014019502A1/zh

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0488Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Definitions

  • a photovoltaic curtain wall is a new type of building that combines a traditional curtain wall with photoelectric conversion technology. It is a new concept that combines photovoltaic power generation system with modern architecture. In other words, it is mainly a new type of solar power generation. Green energy technology.
  • a further goal of combining photovoltaics with buildings is to integrate photovoltaic devices with building materials. Usually, the building materials are mostly made of materials such as mosaics and paints. For the sake of beauty, the glass curtain wall has the dual purpose of protection and decoration.
  • the roof, the sunny outer wall, and the window can be replaced by photovoltaic devices, it can be used both as a building material and as a power source. It can be said to have two advantages, and truly realizes the characteristics of modern residential green, environmental protection and energy saving.
  • the 6mm+6mm and 8mm+8mm all-glass solar panel components used in the photovoltaic curtain wall that is, the front and back of the solar panel are made of 6mm or 8mm thick tempered glass, and the tempered glass is used instead of the back of the component. Backboard.
  • 6mm or 8mm thick tempered glass enhances the safety of the components.
  • the 6mm and 8mm all-glass solar panel components ensure the safety of the components, but indirectly increase the weight of the components, resulting in inconvenient installation and waste of manpower. .
  • the 6mm and 8mm glass also caused a certain loss of light absorption by the battery, which reduced the output of the component power, and brought the all-glass solar panel assembly with a flashy hat.
  • the arrangement of the junction box of the all-glass solar panel assembly in the corresponding technology is unreasonable, which is inconvenient when installing the full-glass solar panel assembly.
  • the present invention is directed to providing a convenient installation of a full-glass solar panel assembly to solve the problem of unreasonable installation of the junction box in the prior art.
  • the present invention provides a full glass solar panel assembly comprising a first panel, a second panel, and a battery unit disposed therebetween, the partial region of the first panel extending beyond the boundary of the second panel, This partial area is provided with a junction box that is connected to the battery unit.
  • the battery unit includes a plurality of solar cells and is divided into a plurality of groups, and the junction box is plural, and each junction box is connected to a group of solar cells. Further, the junction box is bonded to the first panel.
  • the battery unit is encapsulated between the first panel and the second panel by the EVA material and a coil of hot melt adhesive is applied to the peripheral area of the battery unit. Further, the first panel and the second panel have a thickness of 2 mm.
  • the first panel is a front panel
  • the second panel is a rear panel.
  • the junction box can be disposed beyond the area, so that the junction box can be effectively fixed on the first panel, and the full-glass solar panel
  • the assembly forms an integral structure, thereby effectively increasing the ease of installation.
  • FIGS. 1 to 4 a full glass solar panel assembly according to the present invention, a full glass solar panel assembly, including a first panel 10, a second panel 20, and a battery unit 30 disposed therebetween a partial area of the first panel 10 extends beyond the boundary of the second panel 20, and the battery unit is disposed in the partial area 30 connected junction box 40.
  • the first panel 10 of the present invention is larger than the second panel 20, so that the junction box can be disposed beyond the area, so that the junction box can be effectively fixed on the first panel 10, and form an integral structure with the all-glass solar panel assembly, thereby effectively Improve the ease of installation.
  • the first panel 10 is a front panel
  • the second panel 20 is a rear panel, that is, the junction box 40 is fixedly disposed on the back surface of the first panel 10.
  • a sealing structure is formed between the first panel 10 and the mounting bracket, thereby The junction box 40 is sealed inside the first panel 10, and the first panel 10 forms an effective protection for the junction box 40, improving the reliability of the all-glass solar panel assembly.
  • the junction box 40 is plural.
  • the battery unit 30 includes a plurality of solar cells, and the solar cells are grouped.
  • the junction box 40 is bonded to the first panel 10 to share a junction box for each of the two strings.
  • the bonding method is transparent silica gel bonding, which has no effect on the appearance and meets all the standards of crystalline silicon batteries.
  • the solar cell sheet is encapsulated between the first panel 10 and the second panel 20 by an EVA material, and the EVA material is capable of forming effective protection for the solar cell sheet.
  • a hot melt adhesive is applied to the peripheral regions of the solar cell sheet, that is, the edge portions of the opposite portions of the first panel 10 and the second panel 20, and the hot melt adhesive will be melted.
  • the edge regions of the first panel 10 and the second panel 20 are sealed to effectively prevent EVA from overflowing.
  • a black border is formed at the edge of the all-glass solar panel assembly, making it simple and elegant, and beautifying its appearance.
  • an automatic welding machine and a semi-automatic laminating machine are used, and at the same time, a vacuum preloading machine, a semi-finished product conveying belt and the like with a relatively high degree of automation are used for production, which can be largely Reduce the pollution caused by human exposure to raw materials, thereby reducing the error caused by human factors, reducing the flow of personnel in the workshop, improving production efficiency and product quality.
  • the first panel 10 and the second panel 20 of the all-glass solar panel assembly of the present invention are made of tempered glass having a thickness of 2 mm.
  • the 2 mm thick tempered glass used in the all-glass solar panel assembly of the present invention can effectively reduce the weight of the all-glass solar panel assembly under the premise of meeting the strength requirements of the photovoltaic curtain wall, and make the installation lighter. , saving manpower.
  • reducing the thickness of the first panel 10 can increase the absorption of light by the solar cell compared to the tempered glass of 6 mm or 8 mm thick in the prior art, thereby improving the efficiency of photoelectric conversion of the all-glass solar panel assembly.
  • the all-glass solar panel assembly according to the present invention can provide a junction box in an out-of-area by making the first panel larger than the second panel
  • the junction box can be effectively fixed on the first panel and form an integral structure with the all-glass solar panel assembly, thereby effectively improving the convenience of installation; in addition, the first panel can effectively protect the junction box, To the extent that the sealing of the junction box is ensured, the reliability of the all-glass solar panel assembly is improved.
  • the peripheral area of the solar cell sheet is coated with hot melt adhesive, which can effectively prevent the EVA material of the packaged solar cell sheet from overflowing during the packaging process.

Abstract

一种全玻太阳能电池组件,包括第一面板(10)、第二面板(20),以及设置在两者之间的电池单元(30),第一面板(10)的部分区域延伸超出第二面板(20)的边界之外,在超出的区域上设置有与电池单元(30)连接的接线盒(40)。通过使第一面板(10)大于第二面板(20),从而可以在超出的区域设置接线盒(40),使接线盒(40)固定在第一面板(10)上,并与全玻太阳能电池组件形成整体结构,提高了安装时的方便程度。

Description

全玻太阳能电池板组件 技术领域 本发明涉及太阳能电池板领域, 具体而言, 涉及一种全玻太阳能电池板组件。 背景技术 光伏幕墙是将传统幕墙与光电转换技术相结合的一种新型建筑, 是将光伏发电体 系与现代建筑完美结合的一种新概念; 换句话说, 主要是利用太阳能发电的一种新型、 绿色的能源技术。光伏与建筑相结合的进一步目标, 是将光伏器件与建筑材料集成化。 通常建筑物材料多采用马赛克、 涂料等材质, 为了美观还以较高的玻璃幕墙达到保护 和装饰的双重目的。 若能将屋顶、 向阳的外墙、 窗户都由光伏器件取代, 则既能作为 建材使用又能发电, 可谓一举两得, 真正实现了现代住宅绿色、 环保、 节能的特点。
1996年美国开始实施了"光伏建筑物计划", 生产大量的透明光伏玻璃幕墙制品, 用于建筑物的屋面、墙面及光伏智能门窗等。欧洲的 "百万屋顶光伏计划"、 日本的 "朝 日计划"等大大促进了光伏玻璃幕墙的推广和应用。 光伏幕墙的设计除了考虑光伏组件、 导线、 逆变器和整流器等因素以外, 还必须 保证对建筑幕墙安全等功能的落实。 现有技术中光伏幕墙使用的 6mm+6mm 和 8mm+8mm的全玻太阳能电池板组件, 即太阳能电池板的正、 背面都是采用 6mm或 8mm厚的钢化玻璃, 使用钢化玻璃取代了组件背面的背板。采用 6mm或 8mm厚的钢 化玻璃增强了组件的安全性, 然而 6mm和 8mm的全玻太阳能电池板组件虽然保证了 组件的安全性,但是间接的增加了组件的重量,致使安装不方便,浪费人力。同时 6mm 和 8mm的玻璃使电池对光的吸收也造成了一定的损失, 降低了组件功率的输出,使全 玻太阳能电池板组件带上华而不实的帽子。 而且相应技术中全玻太阳能电池板组件的 接线盒的设置不合理, 导致安装使用全玻太阳能电池板组件时不方便。 发明内容 本发明旨在提供一种方便安装的全玻太阳能电池板组件, 以解决现有技术中接线 盒设置不合理而导致安装不方便的问题。 本发明提供了一种全玻太阳能电池板组件, 包括第一面板、 第二面板, 以及设置 在二者之间的电池单元, 第一面板的部分区域延伸超出第二面板的边界之外, 在该部 分区域设置有与电池单元连接的接线盒。 进一步地, 电池单元包括多块太阳能电池片并分成多组, 接线盒为多个, 每个接 线盒与一组太阳能电池片连接。 进一步地, 接线盒与第一面板粘接。 进一步地,电池单元通过 EVA材料封装在第一面板和第二面板之间并在电池单元 的外围区域涂设有一圈热熔胶。 进一步地, 第一面板和第二面板的厚度为 2 mm。 进一步地, 第一面板为前面板, 第二面板为后面板。 根据本发明的全玻太阳能电池板组件, 通过使第一面板大于第二面板, 从而可以 在超出区域设置接线盒, 使接线盒能够有效地固定在第一面板上, 并与全玻太阳能电 池板组件形成整体结构, 从而有效地提高安装时的方便程度。 附图说明 构成本申请的一部分的附图用来提供对本发明的进一步理解, 本发明的示意性实 施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图中: 图 1是根据本发明的全玻太阳能电池板组件的正面结构示意图; 图 2是根据本发明的全玻太阳能电池板组件的背面结构示意图; 图 3是根据本发明的全玻太阳能电池板组件的第一侧面的结构示意图; 以及 图 4是根据本发明的全玻太阳能电池板组件的第二侧面的结构示意图。 具体实施方式 下面将参考附图并结合实施例来详细说明本发明。 如图 1至 4所示, 根据本发明的全玻太阳能电池板组件, 一种全玻太阳能电池板 组件, 包括第一面板 10、 第二面板 20, 以及设置在二者之间的电池单元 30, 第一面 板 10的部分区域延伸超出第二面板 20的边界之外, 在该部分区域设置有与电池单元 30连接的接线盒 40。 本发明通过第一面板 10大于第二面板 20, 从而可以在超出区域 设置接线盒,使接线盒能够有效地固定在第一面板 10上, 并与全玻太阳能电池板组件 形成整体结构, 从而有效地提高安装时的方便程度。 优选地, 第一面板 10为前面板, 第二面板 20为后面板, 即接线盒 40固定设置在 第一面板 10的背面, 安装后, 第一面板 10和安装架之间形成密封结构, 从而使接线 盒 40密封在第一面板 10内部, 第一面板 10对接线盒 40形成有效保护, 提高全玻太 阳能电池板组件的可靠性。 优选地, 如图 1和图 2所示, 接线盒 40为多个。 一般地, 电池单元 30包括多块 太阳能电池片, 而这些太阳能电池片分组设置, 在本发明较优选地实施例中, 接线盒 40与第一面板 10粘接每两串电池串共用一个接线盒, 一共三个接线盒, 每个接线盒 内有一个二极管, 中间的接线盒两边有线缆以便接第一个和第三个接线盒, 使传统的 线缆长度有效的降低, 降低了内阻, 提高了输出功率。 粘接方式为透明硅胶粘接, 对 外观没有任何影响, 满足晶体硅电池的所有标准。 太阳能电池片通过 EVA材料封装在第一面板 10和第二面板 20之间, EVA材料 能够对太阳能电池片形成有效保护。 优选地, 为了防止 EVA材料封装过程中溢出, 在 太阳能电池片的外围区域, 也即第一面板 10和第二面板 20相对部分的边缘区域涂设 有一圈热熔胶, 热熔胶融化后将第一面板 10和第二面板 20的边缘区域密封, 从而有 效防止 EVA溢出。而且,热熔胶融化后在全玻太阳能电池板组件边缘处形成黑色边框, 使其简洁大方, 美化其外观。 本发明的全玻太阳能电池板组件生产组装过程中, 采用自动焊接机和半自动合片 机, 同时采用真空预压机、 半成品成品传输带等自动化程度较高的设备进行生产, 可 以很大程度的减少人为接触原材料产生的污染, 以此降低人为因素产生的误差, 同时 减少了车间内人员的流动, 提高了生产效率及产品质量。 采用自动焊接机进行生产, 自动敷设机敷设, 通过 EL测试仪进行碎片检查, 在层压机内进行整体真空预压, 在 高压釜高温高压下进行固化处理, 来弥补真空预压的缺陷, 保证产品的生产质量。 另外, 本发明的全玻太阳能电池板组件的第一面板 10和第二面板 20采用厚度为 2 mm的钢化玻璃。通过合理的选材, 本发明的全玻太阳能电池板组件采用的 2 mm厚 的钢化玻璃在满足光伏幕墙强度要求的前提下, 有效地减轻了全玻太阳能电池板组件 的重量, 使安装时更轻便, 从而节约人力。 而且, 减小第一面板 10的厚度, 相比现有 技术中 6 mm或 8 mm厚的钢化玻璃能够增加太阳能电池片对光照的吸收, 从而提高 全玻太阳能电池板组件光电转换的效率。 从以上的描述中, 可以看出, 本发明上述的实施例实现了如下技术效果: 根据本发明的全玻太阳能电池板组件通过使第一面板大于第二面板, 从而可以在 超出区域设置接线盒, 使接线盒能够有效地固定在第一面板上, 并与全玻太阳能电池 板组件形成整体结构, 从而有效地提高安装时的方便程度; 另外, 第一面板能够对接 线盒形成有效保护, 最大程度上保证了接线盒的密封性, 提高全玻太阳能电池板组件 的可靠性。 太阳能电池片的外围区域涂设热熔胶, 能够有效地防止封装太阳能电池片 的 EVA材料在封装过程中溢出。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1. 一种全玻太阳能电池板组件, 包括第一面板 (10)、 第二面板 (20), 以及设置 在二者之间的电池单元 (30), 其特征在于,
所述第一面板(10)的部分区域延伸超出所述第二面板(20)的边界之外, 在该部分区域设置有与所述电池单元 (30) 连接的接线盒 (40)。
2. 根据权利要求 1所述的全玻太阳能电池板组件, 其特征在于,
所述电池单元包括多块太阳能电池片并分成多组, 所述接线盒 (40) 为多 个, 每个所述接线盒 (40) 与一组所述太阳能电池片连接。
3. 根据权利要求 1所述的全玻太阳能电池板组件, 其特征在于,
所述接线盒 (40) 与所述第一面板 (10) 粘接。
4. 根据权利要求 1所述的全玻太阳能电池板组件, 其特征在于,
所述电池单元(30)通过 EVA材料封装在所述第一面板(10)和所述第二 面板 (20) 之间并在所述电池单元 (30) 的外围区域涂设有一圈热熔胶。
5. 根据权利要求 1所述的全玻太阳能电池板组件, 其特征在于,
所述第一面板 (10) 和所述第二面板 (20) 的厚度为 2 mm。
6. 根据权利要求 1所述的全玻太阳能电池板组件, 其特征在于,
所述第一面板 (10) 为前面板, 所述第二面板 (20) 为后面板。
PCT/CN2013/080441 2012-07-30 2013-07-30 全玻太阳能电池板组件 WO2014019502A1 (zh)

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DE112013003758.0T DE112013003758T5 (de) 2012-07-30 2013-07-30 Vollglas-Solartafelsbauteil

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CN2012102671815A CN102751356A (zh) 2012-07-30 2012-07-30 全玻太阳能电池板组件
CN201210267181.5 2012-07-30

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CN102751356A (zh) * 2012-07-30 2012-10-24 英利能源(中国)有限公司 全玻太阳能电池板组件
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