CN107946380A - A kind of more main gate line high-efficiency solar components - Google Patents
A kind of more main gate line high-efficiency solar components Download PDFInfo
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims abstract description 11
- 229920001721 polyimide Polymers 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 239000005341 toughened glass Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 210000004027 cell Anatomy 0.000 description 25
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
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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
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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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Abstract
本发明公开了一种多主栅线高效太阳能组件，包括铝边框和电池层组件，所述电池层组件设置在铝边框内部，铝边框包裹住电池层组件的四周，所述电池层组件包括光伏玻璃板层、EVA前膜、太阳能电池片、EVA后膜和背板，太阳能电池片的四周边缘处通过所述EVA前膜粘接有聚酰亚胺薄膜制成的绝缘条，所述铝边框包括电池层组件夹持部、底部支撑部和支撑连接部，所述电池层组件夹持部的两侧面均设有矩形开口，所述支撑连接部为中空结构，电池层组件的四周插接在铝边框侧面设有矩形开口内。该多主栅线高效太阳能组件，应用设计合理，解决了破损，易坏问题，同时提高了组件的输出功率和光电转换效率，可以普遍推广使用。
The invention discloses a multi-busbar high-efficiency solar module, which includes an aluminum frame and a battery layer assembly, the battery layer assembly is arranged inside the aluminum frame, and the aluminum frame wraps around the battery layer assembly, and the battery layer assembly includes photovoltaic Glass plate layer, EVA front film, solar cells, EVA back film and back sheet, the surrounding edge of solar cells is bonded with insulating strips made of polyimide film through the EVA front film, the aluminum frame It includes a battery layer component clamping part, a bottom support part and a supporting connection part. Both sides of the battery layer component clamping part are provided with rectangular openings. The support connecting part is a hollow structure, and the battery layer component is inserted around the The sides of the aluminum frame have rectangular openings inside. The multi-busbar high-efficiency solar module has a reasonable application design, solves the problems of damage and perishability, and improves the output power and photoelectric conversion efficiency of the module at the same time, and can be widely used.
Description
技术领域technical field
本发明属于太阳能组件技术领域，具体涉及一种多主栅线高效太阳能组件。The invention belongs to the technical field of solar components, and in particular relates to a multi-busbar high-efficiency solar component.
背景技术Background technique
随着现代工业的发展，全球能源危机和大气污染问题日益突出，传统的燃料能源正在一天天减少，对环境造成的危害日益突出，同时全球约有20亿人得不到正常的能源供应。这个时候，全世界都把目光投向了可再生能源，希望可再生能源能够改变人类的能源结构，维持长远的可持续发展，这之中太阳能以其独有的优势而成为人们重视的焦点。丰富的太阳辐射能是重要的能源，是取之不尽、用之不竭的、无污染、廉价、人类能够自由利用的能源。With the development of modern industry, the global energy crisis and air pollution problems are becoming more and more serious. The traditional fuel energy is decreasing day by day, and the harm to the environment is becoming more and more serious. At the same time, about 2 billion people in the world do not have normal energy supply. At this time, the whole world is turning its attention to renewable energy, hoping that renewable energy can change the energy structure of mankind and maintain long-term sustainable development. Among them, solar energy has become the focus of attention due to its unique advantages. Abundant solar radiation energy is an important energy source, which is inexhaustible, non-polluting, cheap, and can be freely utilized by human beings.
人类发展需要进步，在光伏发展初期，光伏行业主要是以产能为主，而今，在增加产能的同时，提高太阳能电池组件的转换效率作为现在首要任务，由于转换效率的提高，相同的安装面积的光伏电站整体发电量能得到有效提高。随着太阳电池效率的不断提高和太阳能电池组件生产技术的发展，减少串联电阻的损失具有十分重要的意义。Human development needs progress. In the early days of photovoltaic development, the photovoltaic industry was mainly based on production capacity. Now, while increasing production capacity, improving the conversion efficiency of solar cell modules is now the top priority. Due to the improvement of conversion efficiency, the same installation area The overall power generation of photovoltaic power plants can be effectively improved. With the continuous improvement of solar cell efficiency and the development of solar cell module production technology, it is of great significance to reduce the loss of series resistance.
发明内容Contents of the invention
本发明的目的在于提供一种多主栅线高效太阳能组件，以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a multi-busbar high-efficiency solar module to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本发明提供如下技术方案：一种多主栅线高效太阳能组件，包括铝边框和电池层组件，所述电池层组件设置在铝边框内部，铝边框包裹住电池层组件的四周，所述电池层组件包括光伏玻璃板层、EVA前膜、太阳能电池片、EVA后膜和背板，且从受光面向下依次为光伏玻璃板层、EVA前膜、太阳能电池片、EVA后膜和背板，太阳能电池片的四周边缘处通过所述EVA前膜粘接有聚酰亚胺薄膜制成的绝缘条，绝缘条位于EVA前膜与太阳能电池片之间，所述铝边框包括电池层组件夹持部、底部支撑部和支撑连接部，所述电池层组件夹持部的两侧面均设有矩形开口，所述支撑连接部为中空结构，且支撑连接部通过中空结构将所述电池层组件夹持部和所述底部支撑部连为一体，电池层组件的四周插接在铝边框侧面设有矩形开口内。In order to achieve the above object, the present invention provides the following technical solutions: a multi-busbar high-efficiency solar module, including an aluminum frame and a battery layer assembly, the battery layer assembly is arranged inside the aluminum frame, and the aluminum frame wraps around the battery layer assembly , the battery layer assembly includes a photovoltaic glass plate layer, an EVA front film, a solar battery sheet, an EVA back film and a back sheet, and from the light-receiving surface downwards are a photovoltaic glass plate layer, an EVA front film, a solar cell sheet, and an EVA back film And the back plate, the surrounding edges of the solar cell sheet are bonded with an insulating strip made of polyimide film through the EVA front film, the insulating strip is located between the EVA front film and the solar cell sheet, and the aluminum frame includes the battery The layer assembly clamping part, the bottom support part and the support connection part, the two sides of the battery layer assembly clamping part are provided with rectangular openings, the support connection part is a hollow structure, and the support connection part connects the The clamping part of the battery layer assembly is integrated with the bottom support part, and the periphery of the battery layer assembly is plugged into the rectangular opening provided on the side of the aluminum frame.
优选的，所述太阳能电池片采用10栅、12栅、15栅和MBB栅线设计，且太阳能电池片由多个MBB主栅线电池池片成矩阵排列串联而成。Preferably, the solar cells are designed with 10 grids, 12 grids, 15 grids and MBB grid lines, and the solar cells are formed by a plurality of MBB main grid line battery cells arranged in series in a matrix.
优选的，所述的背板为复合层材料或钢化玻璃，且背板与铝边框之间设置有单组分硅胶缓冲层，所述的光伏玻璃板层为低铁超白镀膜钢化玻璃。Preferably, the back plate is made of composite layer material or tempered glass, and a single-component silica gel buffer layer is arranged between the back plate and the aluminum frame, and the photovoltaic glass layer is low-iron ultra-clear coated tempered glass.
优选的，所述太阳能电池片与EVA前膜间设置的绝缘条由PET薄膜制成，所述铝边框为铝合金边框。Preferably, the insulating strip provided between the solar cells and the EVA front film is made of PET film, and the aluminum frame is an aluminum alloy frame.
优选的，所述EVA前膜为高透性EVA胶膜。Preferably, the EVA front film is a high-permeability EVA film.
优选的，所述电池层组件与铝边框连接处设有单组分硅胶缓冲层。Preferably, a one-component silica gel buffer layer is provided at the joint between the battery layer assembly and the aluminum frame.
优选的，所述接线盒设置在电池层组件的四周，且接线盒紧靠背板的另一侧面的右端上。Preferably, the junction box is arranged around the battery layer assembly, and the junction box is close to the right end of the other side of the back plate.
本发明的技术效果和优点：该多主栅线高效太阳能组件，通过太阳能电池组件设置了MBB栅线太阳能电池片，电池片采用10栅、12栅、15栅和MBB栅线设计，增加了栅线对电流的收集能力，同时降低了内损，并减少了遮光面积，有效受光面积增大，使组件功率至少提升一个档位（5W），另外，MBB区别于传统主栅与焊带的设计，MBB栅设计使得栅线的残余应力有效降低，电池出现隐裂的几率大大降低，而且，由于栅线间隔小，即使电池片出现隐裂、碎片，MBB电池功损率减少，能继续保持较好的发电表现，同时通过EVA前膜为高透光率的EVA胶膜,组件整体串联电阻得到降低，且太阳电池表面承受的太阳光辐射增加，提高了组件的输出功率和光电转换效率。Technical effects and advantages of the present invention: the multi-busbar high-efficiency solar module is equipped with MBB grid solar cells through solar cell components, and the solar cells are designed with 10 grids, 12 grids, 15 grids and MBB grid lines, increasing the grid The current collection ability of the line pair reduces the internal loss, reduces the shading area, increases the effective light receiving area, and increases the power of the module by at least one gear (5W). In addition, MBB is different from the traditional design of the main grid and ribbon , The design of the MBB grid effectively reduces the residual stress of the grid lines, and greatly reduces the probability of cracks in the battery. Moreover, due to the small spacing between the grid lines, even if cracks and fragments appear in the cells, the power loss of the MBB battery is reduced and can continue to maintain a relatively high level. Good power generation performance. At the same time, the EVA front film is an EVA film with high light transmittance, the overall series resistance of the module is reduced, and the solar radiation on the surface of the solar cell is increased, which improves the output power and photoelectric conversion efficiency of the module.
附图说明Description of drawings
图1为本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2为本发明的剖面示意图；Fig. 2 is a schematic sectional view of the present invention;
图3为本发明的铝边框结构示意图。Fig. 3 is a schematic diagram of the structure of the aluminum frame of the present invention.
图中：1铝边框、2电池层组件、3单组分硅胶缓冲层、4背板、5光伏玻璃板层、6EVA前膜、7太阳能电池片、8EVA后膜、9接线盒、10支撑连接部、11底部支撑部、12电池层组件夹持部。In the figure: 1 aluminum frame, 2 battery layer components, 3 single-component silicone buffer layer, 4 back sheet, 5 photovoltaic glass layer, 6 EVA front film, 7 solar cells, 8 EVA back film, 9 junction box, 10 support connection Part, 11 bottom support part, 12 battery layer assembly clamping part.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，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。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
本发明提供了如图1-3所示的一种多主栅线高效太阳能组件，包括接线盒9、铝边框1和电池层组件2，所述电池层组件2设置在铝边框1内部，铝边框1包裹住电池层组件2的四周，所述电池层组件2包括光伏玻璃板层5、EVA前膜6、太阳能电池片7、EVA后膜8和背板4，且从受光面向下依次为光伏玻璃板层5、EVA前膜6、太阳能电池片7、EVA后膜8和背板4，太阳能电池片7的四周边缘处通过所述EVA前膜6粘接有聚酰亚胺薄膜制成的绝缘条，绝缘条位于EVA前膜6与太阳能电池片7之间，所述铝边框1包括电池层组件夹持部12、底部支撑部11和支撑连接部10，所述电池层组件夹持部12的两侧面均设有矩形开口，所述支撑连接部10为中空结构，且支撑连接部10通过中空结构将所述电池层组件夹持部12和所述底部支撑部11连为一体，电池层组件2的四周插接在铝边框1侧面设有矩形开口内。The present invention provides a multi-busbar high-efficiency solar module as shown in Figures 1-3, including a junction box 9, an aluminum frame 1 and a battery layer assembly 2, the battery layer assembly 2 is arranged inside the aluminum frame 1, and the aluminum The frame 1 wraps around the battery layer assembly 2. The battery layer assembly 2 includes a photovoltaic glass plate layer 5, an EVA front film 6, a solar cell sheet 7, an EVA back film 8 and a back plate 4, and from the light-receiving surface downwards are Photovoltaic glass plate layer 5, EVA front film 6, solar cell sheet 7, EVA back film 8 and back plate 4, the surrounding edge of solar cell sheet 7 is made by bonding polyimide film through described EVA front film 6 The insulating strip is located between the EVA front film 6 and the solar cell sheet 7. The aluminum frame 1 includes a battery layer assembly clamping part 12, a bottom support part 11 and a supporting connection part 10. The battery layer assembly clamps Both sides of the part 12 are provided with rectangular openings, the support connection part 10 is a hollow structure, and the support connection part 10 connects the battery layer assembly clamping part 12 and the bottom support part 11 through the hollow structure, The periphery of the battery layer assembly 2 is plugged into the rectangular opening on the side of the aluminum frame 1 .
进一步的，所述太阳能电池片7采用10栅、12栅、15栅和MBB栅线设计，且太阳能电池片7由多个MBB主栅线电池池片成矩阵排列串联而成。Further, the solar cells 7 are designed with 10 grids, 12 grids, 15 grids and MBB grids, and the solar cells 7 are formed by a plurality of MBB main grid battery cells arranged in series in a matrix.
进一步的，所述的背板4为复合层材料或钢化玻璃，且背板4与铝边框1之间设置有单组分硅胶缓冲层3，所述的光伏玻璃板层5为低铁超白镀膜钢化玻璃。Further, the backboard 4 is a composite layer material or tempered glass, and a single-component silica gel buffer layer 3 is arranged between the backboard 4 and the aluminum frame 1, and the photovoltaic glass layer 5 is low-iron ultra-white Coated tempered glass.
进一步的，所述太阳能电池片7与EVA前膜6间设置的绝缘条由PET薄膜制成，所述铝边框1为铝合金边框。Further, the insulating strip provided between the solar cells 7 and the EVA front film 6 is made of PET film, and the aluminum frame 1 is an aluminum alloy frame.
进一步的，所述EVA前膜6为高透性EVA胶膜。Further, the EVA front film 6 is a highly permeable EVA film.
进一步的，所述电池层组件2与铝边框1连接处设有单组分硅胶缓冲层3。Further, a one-component silica gel buffer layer 3 is provided at the joint between the battery layer assembly 2 and the aluminum frame 1 .
进一步的，所述接线盒9设置在电池层组件2的四周，且接线盒9紧靠背板4的另一侧面的右端上。Further, the junction box 9 is arranged around the battery layer assembly 2 , and the junction box 9 is close to the right end of the other side of the back plate 4 .
具体的，该多主栅线高效太阳能组件，在使用过程中，首先通过由MBB主栅线电池池片制成的太阳能电池片7，采用主栅线设计，增加了栅线对电流的收集能力，解决了栅线重的残余应力的有效降低，电池出现隐裂、碎片的几率降低，继而通过电池层组件2内设置有具有高透性的EVA前膜6，使整体串联电阻得到降低，同时通过电池组件2与铝边框1之间设置有单组份硅胶缓冲层3，解决了电池组件2与铝边框1之间的碰撞摩擦问题。该多主栅线高效太阳能组件，应用设计合理，解决了破损，易坏问题，同时提高了组件的输出功率和光电转换效率。Specifically, the multi-busbar high-efficiency solar module, in the process of use, first passes through the solar cells 7 made of MBB busbar battery cells, adopts the busbar design, and increases the current collection capacity of the grid lines , solve the effective reduction of the residual stress of the grid line weight, reduce the probability of cracks and fragments in the battery, and then set the EVA front film 6 with high permeability in the battery layer assembly 2, so that the overall series resistance is reduced, and at the same time The one-component silica gel buffer layer 3 is arranged between the battery assembly 2 and the aluminum frame 1, so that the problem of collision and friction between the battery assembly 2 and the aluminum frame 1 is solved. The multi-busbar high-efficiency solar module has a reasonable application design, solves the problems of damage and fragility, and improves the output power and photoelectric conversion efficiency of the module at the same time.
最后应说明的是：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，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换,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。Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some of the technical features may be replaced by equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108682708A (en) * | 2018-06-25 | 2018-10-19 | 南昌大学 | A kind of solar module for square ground |
| CN111628711A (en) * | 2020-06-05 | 2020-09-04 | 南京中清华峰智能科技有限公司 | Outer packet mode sealing protection mechanism of photovoltaic power generation solar panel outer edge |
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| CN202772150U (en) * | 2012-07-13 | 2013-03-06 | 润恒光能有限公司 | Novel solar crystalline silicon component |
| CN206259363U (en) * | 2016-11-28 | 2017-06-16 | 浙江昱辉阳光能源江苏有限公司 | A kind of many efficient components of main grid of low string resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202772150U (en) * | 2012-07-13 | 2013-03-06 | 润恒光能有限公司 | Novel solar crystalline silicon component |
| CN206259363U (en) * | 2016-11-28 | 2017-06-16 | 浙江昱辉阳光能源江苏有限公司 | A kind of many efficient components of main grid of low string resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108682708A (en) * | 2018-06-25 | 2018-10-19 | 南昌大学 | A kind of solar module for square ground |
| CN111628711A (en) * | 2020-06-05 | 2020-09-04 | 南京中清华峰智能科技有限公司 | Outer packet mode sealing protection mechanism of photovoltaic power generation solar panel outer edge |
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