WO2020118795A1 - Rapid backboard repair type structure for solar component and production process - Google Patents
Rapid backboard repair type structure for solar component and production process Download PDFInfo
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- WO2020118795A1 WO2020118795A1 PCT/CN2018/125278 CN2018125278W WO2020118795A1 WO 2020118795 A1 WO2020118795 A1 WO 2020118795A1 CN 2018125278 W CN2018125278 W CN 2018125278W WO 2020118795 A1 WO2020118795 A1 WO 2020118795A1
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- roller
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- pet film
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 36
- 239000012790 adhesive layer Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 7
- 229920002799 BoPET Polymers 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000003851 corona treatment Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 abstract 5
- 239000010408 film Substances 0.000 abstract 4
- 230000032683 aging Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000009545 invasion Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the invention relates to the field of repairing materials, in particular to a repairing structure and production process of a backplane for rapid solar modules.
- the purpose of the present invention is to use a repair type structure to be pasted on the damaged backplane for solar modules, so as to achieve the protection of the solar modules again, and effectively repair the backplane that is aging due to abnormal invasion of foreign objects , which greatly improves the efficiency of solar module packaging and repair, ensures that photovoltaic modules continue to generate electricity stably without damage to the cells, and also reduces the cost of reinstalling modules, and improves the energy efficiency of photovoltaic power plants.
- a backplane repair type structure and production process for rapid solar modules includes three layers of PET film (weather-resistant white PET), adhesive layer and release film, among which:
- the PET film is a weather-resistant atmospheric surface with a thickness of 125-165um;
- the glue layer is an intermediate layer of the PET film and the release film, the solid content of the glue in the glue layer is 38%-40%, and the solid thickness of the glue layer is 60 ⁇ 5um.
- the release film is of a quick tear-off type to achieve adhesion of the adhesive layer and the repaired solar photovoltaic component, and the thickness of the release film is 35um.
- the production process steps of the backplane repair type structure are:
- the two layers of material of the PET film and the adhesive layer are combined with the release film pressing heat, and then the temperature is reduced and adjusted by the cooling roller to form Stable three-layer backplane repair type material structure.
- the release film and the adhesive have a release property, and can be quickly peeled off, and can be quickly separated from the adhesive surface during use. This is the rapid repairability of the quick repair type backplane of the present invention, and is also the most practical purpose and requirement of the present invention.
- the temperature set by the temperature adjusting roller is (60 ⁇ 5)° C.
- the temperature adjusting roller can be deheated and cooled to ensure the uniformity of the surface temperature of the roller.
- the PET film is white, and the release film is transparent.
- the present invention uses a repair type structure to be pasted on the damaged solar encapsulation backplane for solar modules, so as to achieve the protection of the solar modules again, and effectively repair the backplane that is abnormally attacked by foreign objects, Greatly improve the efficiency of solar module packaging and repair, ensure the purpose of photovoltaic modules to continue stable power generation, and also reduce the cost of power stations formed by reinstalling modules, simple and fast operation, improve energy utilization; at the same time, the present invention provides special Process, make perfect use of the performance requirements of each layer of film, make it together, complete the repair and manufacture of the structure, and have reached the feasible production process of composite mass production
- Fig. 1 is a repair structure of a back plate for a rapid solar module of the present invention
- a fast solar module backplane repair type structure includes three layers of white PET film 3, adhesive layer 2, and transparent release film 1.
- the PET film 3 is a weather-resistant atmospheric surface, which bears The weather resistance protection of the module is used to meet the solar package backboard to resist the invasion and aging of various external factors and meet the requirements of aging reliability performance.
- the adhesive layer 2 is the PET film 3 and the release film 1
- the solid content of the glue in the glue layer 2 is 38%-40%
- the solid thickness of the glue layer 2 is 60um
- the three-layer structure has different sizes and its different thicknesses make the structure laid out reasonably, and it is conducive to sticking firmly and easy to tear off. It has good resistance to the invasion and aging of various external factors.
- the gluing process is carried out on the front surface of the structure composite, and it is gelled by a special aging process; the other side of the structure is a 35um thick release film 1, which bears the function of quickly tearing off the glue layer 2 and the back of the repaired solar photovoltaic module.
- the board is bonded, which plays an efficient role in quickly repairing solar modules.
- FIG. 2 and Figure 3 a schematic diagram of the production process of the backplane repair structure. This manufacturing process uses a gravure transfer coating process to complete the composite production process of the product. The specific steps are:
- the PET film 3 is transmitted to the sticky roller 5 through the transmission roller I4 for cleaning;
- the two layers of material of the PET film 3, the adhesive layer 2 and the release film 1 are pressed and heat-combined together, and then the temperature is reduced by the cooling roller 11 Adjust to form a stable three-layer backplane repair type material structure.
- the release film 1 and the adhesive have a release property, which can be quickly peeled off and can be quickly separated from the adhesive layer 2 during use. This is the invention to achieve a fast repair type back. Board to quickly repair photovoltaic modules.
- the driving roller is used to send and transport the PET film 3
- the sticky roller 5 is used to remove the dust during the transportation of the PET film 3
- the glue transfer mesh roller 6 transfers the glue from the glue transfer mesh roller 6 to the surface of the PET film 3
- the glue groove 7 Glue is contained
- the composite rubber roller 9 is used for the compounding of the two layers of material of the PET film 3 and the adhesive layer 2.
- the temperature adjustment roller 10 is set at a temperature of 60 ⁇ 5°C.
- the adhesive layer 2 and the release film 1 are two-layer structure
- the compound plays a role in strengthening the temperature, so that the three-layer structure of the PET film 3, the adhesive layer 2, and the release film 1 are thermally compounded together, and the cooling roller 11 cools the material after the compounding, which is convenient for the personnel to contact the product surface.
- the invention utilizes a combination of special chemical bonding and physical pressure bonding to combine the repair adhesive layer 2 and the release film 1 with quick disassembly to form a unique single-sided solar cell package backplane structure , And then quickly repair the aging components. It provides a special process to perfectly utilize the performance requirements of each layer of film to combine them together and achieve repair feasibility and fast efficiency.
- the present invention greatly fills the problem of difficult repair of aging components and makes their lifespan greatly. Increased, reduced the construction cost of photovoltaic power plants.
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- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
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Abstract
A rapid backboard repair type structure for a solar component, comprising a PET thin film (3), an adhesive layer (2), and a release film (1). The PET thin film is a weather resistant atmospheric surface, and the thickness is 125-165 um; the solid content of glue in the adhesive layer (2) is 38%-40%, and the thickness of the adhesive layer is 60±5 um; and the thickness of the release film (1) is 35 um. Moreover, a production process for the rapid backboard repair type structure for the solar component. In one end of the process, the PET thin film (3) is corona treated, and then cleaned, and reversely coated with glue, and after the composite of two material layers, i.e., the PET thin film (3) and the adhesive layer (2), is completed, the surface of the adhesive layer is baked and dried to form a two-layer composite stable structure, and then the structure is transmitted to between a composite rubber roller (9) and a temperature adjusting roller (10); in the other end of the process, the release film (1) is sent, so that the PET thin film (3) and the adhesive layer (2) are pressed and thermally composited together with the release film (1) so as to form a three-layer backboard repair type structure. By means of the backboard repair type structure, the efficiency of packaging and repairing the solar component is improved, the operation is simple and quick, and the energy utilization rate is improved.
Description
本发明涉及一种修复型材料领域,具体涉及一种快速太阳能组件用背板修复型结构及生产工艺。The invention relates to the field of repairing materials, in particular to a repairing structure and production process of a backplane for rapid solar modules.
21世纪以来，太阳能光伏发电已经非常普遍，目前全球光伏装机容量也在逐年增加。相对于太阳能光伏组件来说，在保证太阳能电池片完好发电的情况下，封装的背板难免会受到外界冲击，外来异常侵袭物渗透到电池片后造成发电损坏，如果不进行背板组件修复将会影响正常发电。Since the 21st century, solar photovoltaic power generation has been very common, and the current global installed photovoltaic capacity is also increasing year by year. Compared with solar photovoltaic modules, under the condition of ensuring the solar cells are in good power generation, the encapsulated backplane will inevitably be subjected to external shocks. Foreign abnormal infiltrations penetrate the cells and cause power generation damage. If the backplane module is not repaired, Will affect the normal power generation.
发明内容Summary of the invention
针对上述技术问题，本发明的目的是用一种修复型结构粘贴到太阳能组件用的受损背板上，进而达到重新对太阳能组件的保护，有效的修复受外物异常侵袭而老化的背板，极大地提高了太阳能组件封装修复的效率，保证了光伏组件在电池片无损坏的情况下继续稳定发电的目的，同时也降低了重新安装组件的成本，提高了光伏电站的能源利用率。In view of the above technical problems, the purpose of the present invention is to use a repair type structure to be pasted on the damaged backplane for solar modules, so as to achieve the protection of the solar modules again, and effectively repair the backplane that is aging due to abnormal invasion of foreign objects , Which greatly improves the efficiency of solar module packaging and repair, ensures that photovoltaic modules continue to generate electricity stably without damage to the cells, and also reduces the cost of reinstalling modules, and improves the energy efficiency of photovoltaic power plants.
为了实现上述目的，本发明提供的技术方案如下：In order to achieve the above objectives, the technical solutions provided by the present invention are as follows:
一种快速太阳能组件用背板修复型结构及生产工艺，该结构包括PET薄膜(耐候性白色PET)、胶层、离型膜三层，其中：A backplane repair type structure and production process for rapid solar modules. The structure includes three layers of PET film (weather-resistant white PET), adhesive layer and release film, among which:
所述PET薄膜为耐候性大气面，厚度为125-165um；The PET film is a weather-resistant atmospheric surface with a thickness of 125-165um;
所述胶层为所述PET薄膜和离型膜的中间层，所述胶层中胶水的固含量为38％-40％，所述胶层实体厚度为60±5um。The glue layer is an intermediate layer of the PET film and the release film, the solid content of the glue in the glue layer is 38%-40%, and the solid thickness of the glue layer is 60±5um.
所述离型膜为可快速撕离式，实现胶层与修复的太阳能光伏组件粘合，所述离型膜膜厚度为35um。The release film is of a quick tear-off type to achieve adhesion of the adhesive layer and the repaired solar photovoltaic component, and the thickness of the release film is 35um.
该背板修复型结构的生产工艺步骤为：The production process steps of the backplane repair type structure are:
(1)所述PET薄膜进行电晕处理后，通过传动辊轮I传输至粘尘辊进行清洁；(1) After the corona treatment of the PET film, it is transmitted to the sticky roller through the transmission roller I for cleaning;
(2)当所述PET薄膜传送到胶转移网辊时，进行反向涂胶，使所述PET薄膜的运行方向与胶转移网辊的运行方向相反，胶转移网辊设有固定的转速比，位于胶槽中，胶转移网辊表面缝隙中的胶水转移至所述PET薄膜表面，实现胶水的均匀定量的转移；(2) When the PET film is transferred to the glue transfer screen roller, reverse coating is performed to make the running direction of the PET film opposite to that of the glue transfer screen roller, which has a fixed speed ratio , Located in the glue tank, the glue in the gap of the surface of the glue transfer screen roller is transferred to the surface of the PET film, to achieve uniform and quantitative transfer of glue;
(3)以上两步作为工艺的一段完成所述PET薄膜和胶层两层材料的转移附着，接着所述胶层面经过烘道进行烘烤干燥，形成两层复合稳定结构，然后传输到复合橡胶辊与温度调节辊之间，且所述胶层位于所述PET薄膜下方，其中复合橡胶辊位于温度调节辊上方；(3) The above two steps are used as a part of the process to complete the transfer and attachment of the two layers of material of the PET film and the adhesive layer, and then the adhesive layer is baked and dried through the drying channel to form a two-layer composite stable structure, and then transferred to the composite rubber Between the roller and the temperature adjustment roller, and the adhesive layer is located below the PET film, wherein the composite rubber roller is located above the temperature adjustment roller;
(4)在工艺另外一端发送所述离型膜，通过传动辊轮II传输到复合橡胶辊与温度 调节辊之间；(4) Send the release film at the other end of the process and transfer it between the compound rubber roller and the temperature adjustment roller through the transmission roller II;
(5)通过复合橡胶辊和温度调节辊的挤压热复合，所述PET薄膜、胶层两层材料与离型膜压制热复合在一起，再通过冷却辊对其温度进行降低调节，从而形成稳定的三层背板修复型材料结构。而离型膜与胶存在离型性，可快速剥离开，使用时可快速与胶面分离，这就是本发明快速修补型背板快速修补性，也是本发明的最实际目的与要求。(5) Through the extruded thermal compounding of the composite rubber roller and the temperature adjusting roller, the two layers of material of the PET film and the adhesive layer are combined with the release film pressing heat, and then the temperature is reduced and adjusted by the cooling roller to form Stable three-layer backplane repair type material structure. The release film and the adhesive have a release property, and can be quickly peeled off, and can be quickly separated from the adhesive surface during use. This is the rapid repairability of the quick repair type backplane of the present invention, and is also the most practical purpose and requirement of the present invention.
所述温度调节辊设置的温度为(60±5)℃，温度调节辊可解热冷却，保障辊表面温度的均匀性。The temperature set by the temperature adjusting roller is (60±5)° C. The temperature adjusting roller can be deheated and cooled to ensure the uniformity of the surface temperature of the roller.
所述PET薄膜为白色，所述离型膜为透明的。The PET film is white, and the release film is transparent.
本发明的有益效果为：本发明用一种修复型结构粘贴到太阳能组件用的受损太阳能封装背板上，进而达到重新对太阳能组件的保护，有效的修复受外物异常侵袭的背板，极大地提高了太阳能组件封装修复的效率，保证了光伏组件继续稳定发电的目的，同时也降低了重新安装组件形成的电站成本，操作简单快捷，提高了能源利用率；同时，本发明提供了特殊工艺，完美的利用各层膜的性能要求，使其结合在一起，完成修复型结构体的生产制造，已达到复合量产的可行性制造工艺The beneficial effects of the present invention are: the present invention uses a repair type structure to be pasted on the damaged solar encapsulation backplane for solar modules, so as to achieve the protection of the solar modules again, and effectively repair the backplane that is abnormally attacked by foreign objects, Greatly improve the efficiency of solar module packaging and repair, ensure the purpose of photovoltaic modules to continue stable power generation, and also reduce the cost of power stations formed by reinstalling modules, simple and fast operation, improve energy utilization; at the same time, the present invention provides special Process, make perfect use of the performance requirements of each layer of film, make it together, complete the repair and manufacture of the structure, and have reached the feasible production process of composite mass production
图1是本发明快速太阳能组件用背板修复型结构；Fig. 1 is a repair structure of a back plate for a rapid solar module of the present invention;
图2和图3是本发明快速太阳能组件用背板修复型结构的生产工艺；2 and 3 are the production processes of the backplane repair type structure for rapid solar modules of the present invention;
附图中：In the drawings:
1离型膜；2胶层；3 PET薄膜；4传动辊轮I；5粘尘辊；6胶转移网辊；7胶槽；8传动辊轮II；9复合橡胶辊；10温度调节辊；11冷却辊。1 release film; 2 adhesive layer; 3 PET film; 4 driving roller I; 5 dust sticking roller; 6 glue transfer mesh roller; 7 rubber groove; 8 driving roller II; 9 compound rubber roller; 10 temperature regulating roller; 11 Cooling roller.
如图1所示，一种快速太阳能组件用背板修复型结构，包括白色PET薄膜3、胶层2、透明离型膜1三层，PET薄膜3为耐候性大气面，承担背板对光伏组件的耐候性保护，用于满足太阳能封装背板抵御外界各种因素的侵袭与老化，满足老化可靠性能的要求，其厚度为125-165um；胶层2为PET薄膜3和离型膜1的中间层，胶层2中胶水的固含量为38％-40％，胶层2实体厚度为60um，特殊耐候性胶水通过涂布复合工艺将PET薄膜3与60±5um厚度的胶水粘结在一起，承担背板与太阳能组件修复粘合作用，同时起着耐候老化作用，如图2所示，三层结构尺寸不同，其不同厚度使该结构合理布局，且有利于粘贴牢固和方便撕离，具有较好的抵御外界各种因素的侵袭与老化。As shown in Figure 1, a fast solar module backplane repair type structure includes three layers of white PET film 3, adhesive layer 2, and transparent release film 1. The PET film 3 is a weather-resistant atmospheric surface, which bears The weather resistance protection of the module is used to meet the solar package backboard to resist the invasion and aging of various external factors and meet the requirements of aging reliability performance. Its thickness is 125-165um; the adhesive layer 2 is the PET film 3 and the release film 1 In the middle layer, the solid content of the glue in the glue layer 2 is 38%-40%, the solid thickness of the glue layer 2 is 60um, and the special weather-resistant glue bonds the PET film 3 and the glue with a thickness of 60±5um through the coating and compounding process , It undertakes the repair and adhesion of the backplane and the solar module, and at the same time plays the role of weathering and aging. As shown in Figure 2, the three-layer structure has different sizes and its different thicknesses make the structure laid out reasonably, and it is conducive to sticking firmly and easy to tear off. It has good resistance to the invasion and aging of various external factors.
结构复合前表面进行上胶工序，通过特殊熟化工艺使其胶化；结构的另一面为35um厚的离型膜1，承担着与胶层2快速撕离的功能，与修复的太阳能光伏组件背板粘合，为快速修复太阳能组件起到高效作用。The gluing process is carried out on the front surface of the structure composite, and it is gelled by a special aging process; the other side of the structure is a 35um thick release film 1, which bears the function of quickly tearing off the glue layer 2 and the back of the repaired solar photovoltaic module. The board is bonded, which plays an efficient role in quickly repairing solar modules.
如图2和图3所示，背板修复型结构生产工艺示意图，本制造工艺是采用凹版转移式涂布工艺，完成产品的复合生产过程，具体步骤为：As shown in Figure 2 and Figure 3, a schematic diagram of the production process of the backplane repair structure. This manufacturing process uses a gravure transfer coating process to complete the composite production process of the product. The specific steps are:
(1)PET薄膜3进行电晕处理后，通过传动辊轮I4传输至粘尘辊5进行清洁；(1) After corona treatment, the PET film 3 is transmitted to the sticky roller 5 through the transmission roller I4 for cleaning;
(2)当所述PET薄膜3传送到胶转移网辊6时，依据PET的运行速度，在一定比例下进行反向涂胶，使所述PET薄膜3的运行方向与胶转移网辊6的运行方向相反，胶转移网辊6设有固定的转速比，位于胶槽7中，胶转移网辊6表面缝隙中的胶水转移至所述PET薄膜3表面，实现胶水的均匀定量的转移；(2) When the PET film 3 is transferred to the glue transfer screen roller 6, according to the running speed of PET, reverse glue is applied at a certain ratio, so that the running direction of the PET film 3 and the glue transfer screen roller 6 The running direction is opposite. The glue transfer screen roller 6 is provided with a fixed speed ratio and is located in the glue tank 7. The glue in the gap of the surface of the glue transfer screen roller 6 is transferred to the surface of the PET film 3 to achieve uniform and quantitative transfer of glue;
(3)以上两步作为工艺的一端完成所述PET薄膜3和胶层2两层材料的复合，接着所述胶层2面经过烘道进行烘烤干燥，烤干后胶面呈融融状态，形成两层复合稳定结构，然后传输到复合橡胶辊9与温度调节辊10之间，且所述胶层2位于所述PET薄膜3下方，其中复合橡胶辊9位于温度调节辊10上方；(3) The above two steps are used as one end of the process to complete the compounding of the two layers of material of the PET film 3 and the adhesive layer 2, and then the adhesive layer 2 is baked and dried through a drying tunnel, and the adhesive surface is melted after baking. A two-layer composite stable structure is formed, and then transferred between the composite rubber roller 9 and the temperature adjustment roller 10, and the adhesive layer 2 is located below the PET film 3, wherein the composite rubber roller 9 is located above the temperature adjustment roller 10;
(4)在工艺另外一端发送所述离型膜1，通过传动辊轮II8传输到复合橡胶辊9与温度调节辊10之间；(4) Send the release film 1 at the other end of the process and transfer it between the compound rubber roller 9 and the temperature regulating roller 10 through the transmission roller II8;
(5)通过复合橡胶辊9和温度调节辊10的挤压，所述PET薄膜3、胶层2两层材料与离型膜1压制热复合在一起，再通过冷却辊11对其温度进行降低调节，从而形成稳定的三层背板修复型材料结构，离型膜1与胶存在离型性，可快速剥离开，使用时可快速与胶层2分离，这就是本发明达到快速修补型背板快速修补光伏组件。(5) Through the extrusion of the composite rubber roller 9 and the temperature adjustment roller 10, the two layers of material of the PET film 3, the adhesive layer 2 and the release film 1 are pressed and heat-combined together, and then the temperature is reduced by the cooling roller 11 Adjust to form a stable three-layer backplane repair type material structure. The release film 1 and the adhesive have a release property, which can be quickly peeled off and can be quickly separated from the adhesive layer 2 during use. This is the invention to achieve a fast repair type back. Board to quickly repair photovoltaic modules.
其中传动辊轮用于PET薄膜3发送运输传动，粘尘辊5用于PET薄膜3运输过程的除尘，胶转移网辊6将胶水从胶转移网辊6上转移至PET薄膜3表面，胶槽7中盛放胶水，复合橡胶辊9用于PET薄膜3和胶层2两层材料的复合，温度调节辊10设置的温度为60±5℃，将胶层2和离型膜1两层结构复合起温度加强作用，从而将PET薄膜3、胶层2、离型膜1三层结构热复合在一起，冷却辊11使复合后材质降温处理，已达到放方便人员操作与产品表面接触。Among them, the driving roller is used to send and transport the PET film 3, the sticky roller 5 is used to remove the dust during the transportation of the PET film 3, and the glue transfer mesh roller 6 transfers the glue from the glue transfer mesh roller 6 to the surface of the PET film 3, the glue groove 7 Glue is contained, and the composite rubber roller 9 is used for the compounding of the two layers of material of the PET film 3 and the adhesive layer 2. The temperature adjustment roller 10 is set at a temperature of 60±5°C. The adhesive layer 2 and the release film 1 are two-layer structure The compound plays a role in strengthening the temperature, so that the three-layer structure of the PET film 3, the adhesive layer 2, and the release film 1 are thermally compounded together, and the cooling roller 11 cools the material after the compounding, which is convenient for the personnel to contact the product surface.
本发明利用特殊化学粘结和物理压力粘结相结合的方式将修复用胶层2和具有可快速拆下的离型膜1复合在一起，形成独特的类似单面的太阳能电池封装背板结构，进而快速的进行老化组件的修复。提供了特殊工艺，完美的利用各层膜的性能要求，使其结合在一起，并达到修复可行性以及快的高效性，本发明极大的填补老化组件修复难的问题，使其寿命可大大增加，降低了光伏电站的建设成本。The invention utilizes a combination of special chemical bonding and physical pressure bonding to combine the repair adhesive layer 2 and the release film 1 with quick disassembly to form a unique single-sided solar cell package backplane structure , And then quickly repair the aging components. It provides a special process to perfectly utilize the performance requirements of each layer of film to combine them together and achieve repair feasibility and fast efficiency. The present invention greatly fills the problem of difficult repair of aging components and makes their lifespan greatly. Increased, reduced the construction cost of photovoltaic power plants.
Claims (4)
- 一种快速太阳能组件用背板修复型结构,其特征在于：它包括PET薄膜、胶层、离型膜三层，其中：A backplane repair type structure for rapid solar modules, characterized in that it includes three layers of PET film, adhesive layer and release film, among which:所述PET薄膜为耐候性大气面，厚度为125-165um；The PET film is a weather-resistant atmospheric surface with a thickness of 125-165um;所述胶层为所述PET薄膜和离型膜的中间层，所述胶层中胶水的固含量为38％-40％，所述胶层实体厚度为60±5um；The glue layer is an intermediate layer of the PET film and the release film, the solid content of the glue in the glue layer is 38%-40%, and the solid thickness of the glue layer is 60±5um;所述离型膜为可快速撕离式，与修复的太阳能光伏组件粘合，所述离型膜厚度为35um。The release film is a quick tear-off type, which is bonded to the repaired solar photovoltaic module, and the thickness of the release film is 35um.
- 根据权利要求1所述的一种快速太阳能组件用背板修复型结构及生产工艺，其特征在于：该背板修复型结构的生产工艺步骤为：The backplane repair type structure and production process for rapid solar modules according to claim 1, characterized in that the production process steps of the backplane repair type structure are:(1)所述PET薄膜进行电晕处理后，通过传动辊轮I传输至粘尘辊进行清洁；(1) After the corona treatment of the PET film, it is transmitted to the sticky roller through the transmission roller I for cleaning;(2)当所述PET薄膜传送到胶转移网辊时，进行反向涂胶，使所述PET薄膜的运行方向与胶转移网辊的运行方向相反，胶转移网辊设有固定的转速比，位于胶槽中，胶转移网辊表面缝隙中的胶水转移至所述PET薄膜表面，实现胶水的均匀定量的转移；(2) When the PET film is transferred to the glue transfer screen roller, reverse coating is performed to make the running direction of the PET film opposite to that of the glue transfer screen roller, which has a fixed speed ratio , Located in the glue tank, the glue in the gap of the surface of the glue transfer screen roller is transferred to the surface of the PET film, to achieve uniform and quantitative transfer of glue;(3)以上两步作为工艺的一端完成了所述PET薄膜和胶层两层材料的复合，接着所述胶层面经过烘道进行烘烤干燥，形成两层复合稳定结构，然后传输到复合橡胶辊与温度调节辊之间，且所述胶层位于所述PET薄膜下方，其中复合橡胶辊位于温度调节辊上方；(3) The above two steps are used as one end of the process to complete the compounding of the two layers of the PET film and the adhesive layer, and then the adhesive layer is baked and dried through the drying channel to form a two-layer composite stable structure, and then transferred to the composite rubber Between the roller and the temperature adjustment roller, and the adhesive layer is located below the PET film, wherein the composite rubber roller is located above the temperature adjustment roller;(4)在工艺另外一端发送所述离型膜，通过传动辊轮II传输到复合橡胶辊与温度调节辊之间；(4) Send the release film at the other end of the process and transfer it between the compound rubber roller and the temperature adjustment roller through the transmission roller II;(5)通过复合橡胶辊和温度调节辊的热复合挤压，所述PET薄膜、胶层两层材料与离型膜压制热复合在一起，再通过冷却辊对其温度进行降低调节，从而形成三层背板修复型材料结构。(5) Through the hot composite extrusion of the composite rubber roller and the temperature adjustment roller, the two layers of material of the PET film and the adhesive layer are combined with the release film pressing heat, and then the temperature is adjusted by the cooling roller to form Three-layer backplane repair type material structure.
- 根据权利要求2所述的一种快速太阳能组件用背板修复型结构及生产工艺，其特征在于：所述温度调节辊设置的温度为60±5℃；The repair structure and production process of a backplane for rapid solar modules according to claim 2, characterized in that the temperature set by the temperature adjustment roller is 60±5℃;
- 根据权利要求3所述的一种快速太阳能组件用背板修复型结构及生产工艺，其特征在于：所述PET薄膜为白色，所述离型膜为透明的。The repair structure and production process of a backplane for rapid solar modules according to claim 3, wherein the PET film is white and the release film is transparent.
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