WO2021248884A1 - 全黑太阳能光伏组件及其制作方法 - Google Patents

全黑太阳能光伏组件及其制作方法 Download PDF

Info

Publication number
WO2021248884A1
WO2021248884A1 PCT/CN2020/140761 CN2020140761W WO2021248884A1 WO 2021248884 A1 WO2021248884 A1 WO 2021248884A1 CN 2020140761 W CN2020140761 W CN 2020140761W WO 2021248884 A1 WO2021248884 A1 WO 2021248884A1
Authority
WO
WIPO (PCT)
Prior art keywords
bus bar
photovoltaic module
battery
black
solar photovoltaic
Prior art date
Application number
PCT/CN2020/140761
Other languages
English (en)
French (fr)
Inventor
邵渊
Original Assignee
江苏昊宇光伏科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202010518939.2A external-priority patent/CN111668316A/zh
Priority claimed from CN202011224664.8A external-priority patent/CN112331730A/zh
Application filed by 江苏昊宇光伏科技有限公司 filed Critical 江苏昊宇光伏科技有限公司
Publication of WO2021248884A1 publication Critical patent/WO2021248884A1/zh

Links

Images

Classifications

    • 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
    • H01L31/02—Details
    • 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
    • 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
    • H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • 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
    • H01L31/08—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 in which radiation controls flow of current through the device, e.g. photoresistors
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • 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 an all-black solar photovoltaic module and a manufacturing method thereof.
  • All-black solar photovoltaic modules are more and more popular with the public due to their uniform appearance and aesthetics.
  • all-black solar photovoltaic modules on the market mainly include the following three types:
  • the silver bus bar is used directly, and the rest of the material is black, but the silver bus bar is still exposed from the appearance of such components, so in the true sense, such components still cannot achieve the "all black” effect;
  • the third category of all-black solar photovoltaic modules is currently popular.
  • the conventional lead wire drawing process perpendicular to the horizontal plane of the photovoltaic module (as shown in Figure 1) the lead wire will be laminated after bending. During the lamination process, the pressure will squeeze the EVA glue between the bend of the lead wire and the glass, resulting in a lack of The white spots caused by the glue phenomenon, there is a risk of expanding the range of the white spots lacking glue during the later use of the components, so there is a hidden quality risk.
  • the purpose of the present invention is to provide a solar photovoltaic module with a true black appearance and a manufacturing method thereof, so as to improve the quality and market competitiveness of the completely black solar photovoltaic module.
  • the technical solution for achieving the objective of the present invention is: an all-black solar photovoltaic module, from top to bottom, including a light-transmitting layer, a first EVA adhesive film layer, a battery square array, a second EVA adhesive film layer, and a back sheet;
  • the battery array includes a plurality of battery slices arranged in a matrix, and each column of battery slices is connected to a battery string by interconnecting strips.
  • a gap is provided between the two battery slices in the middle of each battery string;
  • the interconnection strips are connected by a first bus bar, and the first bus bar is connected with a second bus bar that is perpendicular to the first bus bar in the horizontal direction and penetrates the back plate; the interconnection strips at both ends of the battery string pass through
  • the third bus bar is connected; the first bus bar and the third bus bar are provided with black isolation bars between the light-transmitting layer, and the front surfaces of the first bus bar and the third bus bar are completely covered by the black isolation bars; the second One end of the bus bar is fixed on the back of the first bus bar, and the other end obliquely penetrates the back plate.
  • the included angle between the end of the second bus bar inclined to the back plate and the back plate is 15 ⁇ 1°.
  • the width of the gap between the two battery pieces in the middle of each battery string is at least 15 mm.
  • the opening on the back plate through which the second bus bar passes is a long rectangle, and the size is preferably 35 ⁇ 2 mm.
  • the battery strings of the battery square array are provided with an even number; starting from the first battery string on one side, the battery strings form a set of two, and the interconnection strips at the ends of each battery string pass through A third bus bar is connected; the interconnecting strips in the gap where the two outermost battery strings are located are each connected by a first bus bar, and the remaining battery strings start from the second battery string on one side, and the battery strings are in pairs As a group, the interconnection strips in the gap where each battery string is located are connected by the first bus bar.
  • an all-black solar photovoltaic module including: a photovoltaic module and a frame wrapped around the photovoltaic module, the photovoltaic module includes several rows of battery strings arranged side by side in parallel, Each battery string includes a first battery string and a second battery string connected along the string length direction. The first battery string and the second battery string are connected by a conductive connection member, and the conductive connection member includes a first bus bar and a second battery string. The end of the second bus bar is crimped on the end of the first bus bar, and the first bus bar and the second bus bar are parallel to the plane where the photovoltaic module is located.
  • both the first battery string and the second battery string include a number of connected battery slices, the previous battery slice and the next battery slice are connected by conductive strips, and the first battery string and the second battery string are connected
  • the conductive strip is electrically connected with the conductive connecting part.
  • first bus bar is arranged transversely along the plane where the photovoltaic module is located
  • second bus bar is arranged longitudinally along the plane where the photovoltaic module is located
  • first bus bar and the second bus bar are vertically arranged at the junction.
  • first bus bar is bent and crimped to the corresponding end to form a second bus bar.
  • At least one end of the first bus bar is mechanically bent to form the second bus bar.
  • At least one end of the first bus bar is connected to the second bus bar by lap welding to achieve compression and fixation.
  • the third bus bar is transversely arranged at the top end and the bottom end of the photovoltaic module.
  • first bus bar, the second bus bar and the third bus bar directly adopt black bus bars.
  • first bus bar, the second bus bar and the third bus bar use silver bus bars
  • first bus bar and the second bus bar are provided with spacers that match the first bus bar and the second bus bar and can shield the first bus bar and the second bus bar.
  • the surface is provided with isolation bars that match the third bus bar and can shield the third bus bar.
  • isolation strips are in the shape of all black long strips, extending laterally from one side edge of the photovoltaic module to the other side edge.
  • the manufacturing method of the above-mentioned all-black solar photovoltaic module includes the following steps:
  • Step 1 Weld the interconnecting strips on the main grid lines on the front and back of the battery slices to connect the battery slices into a battery string and leave a gap between the two battery slices in the middle of the battery string;
  • Step 2 Splicing the first bus bar and the third bus bar of the battery string connected in series into a square battery array
  • Step 3 Lay the light-transmitting layer, the first EVA film layer and the battery array from bottom to top in sequence;
  • Step 4 Weld a second bus bar on the first bus bar of the square battery array, and an included angle between one end and the other end of the second bus bar is greater than 165 ⁇ 1°;
  • Step 5 placing black spacers between the first bus bar and the third bus bar and the light-transmitting layer
  • Step 6 Lay a second EVA film layer and a back plate in sequence on the battery array, and pass the second bus bar out of the opening on the back plate to form a component to be laminated;
  • Step 7 put the components to be laminated in the laminator and take them out;
  • Step 8 removing the burrs formed by the first EVA adhesive film layer and the second EVA adhesive film layer that are melted during lamination and then extended and solidified due to pressure to obtain an all-black solar photovoltaic module.
  • the welding process of one end of the second bus bar and the first bus bar in the step 4 is specifically: the end of the second bus bar is perpendicular to the end of the second bus bar through a flat soldering iron tip, and the end of the second bus bar is connected to the first bus bar.
  • the strips are welded firmly, and the welding time is not less than 2s. After welding, press the two firmly with the elbow tweezers, and release them after at least 4 seconds.
  • the heat insulation gasket includes an epoxy board and a tetrafluoro cloth attached to the epoxy board, and the thickness of the heat insulation gasket is preferably 1 mm.
  • step 5 when the black spacer covering the first bus bar is placed, a template is first placed between the first bus bar and the light-transmitting layer, and then one end of the black spacer is pasted on one end of the template. Finally, slowly pull out the template to make the black spacer enter between the first bus bar and the light-transmitting layer.
  • the present invention has the following beneficial effects: (1) The present invention arranges the second bus bar to be perpendicular to the first bus bar from the horizontal direction, and the other end obliquely penetrates the back plate. This structure makes the layer The bus bar will not squeeze the EVA glue when pressing, so as to avoid white spots, achieve a true black appearance effect, improve the quality of black solar photovoltaic modules, and greatly improve the market competitiveness of black solar photovoltaic modules.
  • the included angle between the end of the second bus bar inclined to the back plate and the back plate of the present invention is 15 ⁇ 1°, which can ensure that the EVA and the back plate can be pulled in place when the EVA and the back plate are worn, and prevent the opening of the back plate from exposing the battery slices. Avoid direct contact between the lead wires and the battery, which may cause the entire assembly to short-circuit.
  • the width of the gap between the two battery slices in the middle of each battery string of the present invention is at least 15 mm, which prevents the lead wires from being pressed onto the battery slices and reduces the probability of battery slice fragmentation in the subsequent process.
  • the opening on the back plate of the present invention for the second bus bar to pass through is a long rectangle, which can perfectly fit the structural features of the first bus bar and the second bus bar.
  • connection method provided by the present invention for splicing battery strings into a square battery array can obtain the maximum output power and optimize the product performance.
  • one end of the second bus bar and the first bus bar are welded firmly through the flat-tip soldering iron tip perpendicular to one end of the second bus bar.
  • the welding time is not less than 2s. After the welding is completed, use the elbow tweezers to According to the truth, let it go after at least 4 seconds. This process can avoid false welding and ensure the output power of the entire photovoltaic module.
  • the heat insulation gasket used in the welding of the second bus bar and the first bus bar of the present invention includes an epoxy board and a PTFE cloth attached to the epoxy board, which has the advantages of not only heat insulation but not thick, but also easy operate.
  • Figure 1 is a schematic diagram of the conventional lead wire drawing process.
  • Fig. 2 is a schematic structural diagram of Embodiment 1 of the present invention.
  • Fig. 3 is an enlarged view of A in Fig. 2.
  • Fig. 4 is an enlarged view of B in Fig. 2.
  • FIG. 5 is a schematic diagram of the structure of the second bus bar of the present invention.
  • Fig. 6 is a schematic diagram of the opening through which the second bus bar passes through the back plate of the present invention.
  • Fig. 7 is a schematic diagram of welding a second bus bar on the first bus bar of the present invention.
  • FIG. 8 is a schematic diagram of a thermal insulation gasket being placed under the first bus bar when the second bus bar is welded to the first bus bar of the present invention.
  • connection may also be a detachable connection or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication between two components.
  • connection may also be a detachable connection or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication between two components.
  • the present invention provides an all-black solar photovoltaic module, which is used to solve the technical problem that the prior art cannot achieve a true black appearance.
  • the general idea of the present invention is as follows:
  • the all-black solar photovoltaic module includes a light-transmitting layer, a first EVA adhesive film layer, a cell array, a second EVA adhesive film layer, and a back sheet;
  • the cell array includes a plurality of cells arranged in a matrix Sheet 1, each column of battery sheets 1 is connected to a battery string by interconnecting strip welding tape 2, and there is a gap between the two battery sheets 1 in the middle of each battery string; the interconnecting strip welding strip 2 in the gap passes through the first A bus bar 3 is connected, and the first bus bar 3 is connected with a second bus bar 4 that is vertical to the first bus bar 3 in the horizontal direction and penetrates the back plate;
  • the three bus bars 5 are connected;
  • the first bus bar 3, the third bus bar and the light-transmitting layer are all provided with black spacers 6, and the front surfaces of the first bus bar 3 and the third bus bar are completely covered by the black spacers 6;
  • One end of the second bus bar 4 is fixed on the back of the first bus bar 3, and the
  • the second bus bar 4 is arranged to be vertical to the first bus bar 3 from the horizontal direction, and the other end obliquely penetrates the back plate.
  • This structure prevents the bus bar from squeezing the EVA glue during lamination, thereby avoiding whitening.
  • improve the quality of the black solar photovoltaic module and greatly improve the market competitiveness of the black solar photovoltaic module.
  • Step 1 Weld the interconnection strip welding tape 2 on the main grid lines on the front and back of the battery slice 1 to connect the battery slices 1 into a battery string and leave a gap between the two battery slices 1 in the middle of the battery string;
  • Step two splicing the first bus bar 3 and the third bus bar 5 of the battery strings connected in series into a square battery array
  • Step 3 Lay the light-transmitting layer, the first EVA film layer and the battery array from bottom to top in sequence;
  • Step 4 Weld the second bus bar 4 on the first bus bar 3 of the square battery array, and the included angle between one end and the other end of the second bus bar 4 is greater than 165 ⁇ 1°;
  • Step 5 placing a black spacer 6 between the first bus bar 3 and the third bus bar and the light-transmitting layer;
  • Step 6 Lay a second EVA film layer and a back plate in sequence on the battery array, and pass the second bus bar 4 out of the opening on the back plate to form a component to be laminated;
  • Step 7 put the components to be laminated in the laminator and take them out;
  • Step 8 removing the burrs formed by the first EVA adhesive film layer and the second EVA adhesive film layer that are melted during lamination and then extended and solidified due to pressure to obtain an all-black solar photovoltaic module.
  • the all-black solar photovoltaic module of this embodiment includes a light-transmitting layer, a first EVA adhesive film layer, a cell array, a second EVA adhesive film layer, and a back sheet in order from top to bottom.
  • the square battery array includes a plurality of battery slices 1 arranged in a matrix, and each column of battery slices 1 is sequentially connected to form a battery string by interconnecting strips 2. There are six battery strings in the battery array. A gap is provided between the two battery slices 1 in the middle of each battery string.
  • the interconnecting strip welding strip 2 in the gap is connected by a first bus bar 3, and the first bus bar 3 is connected with a second bus bar 4 that is perpendicular to the first bus bar 3 in the horizontal direction and penetrates the back plate.
  • the interconnection strip welding strips 2 at both ends of the battery string are connected by a third bus bar 5.
  • the connection method of splicing the battery strings into a square battery array is as follows: starting from the first battery string on the left, the battery strings form a group (first, The second bar is a group, the third and the fourth bar are a group, the fifth and the sixth bar are a group), the interconnection strips 2 at the ends of each battery string pass through a third bus bar 5 connect.
  • the interconnection strips 2 in the gap where the leftmost battery string and the rightmost battery string are located are each connected by a first bus bar 3, and the remaining battery strings start from the second battery string on one side.
  • Two are a group (the second and the third are a group, and the fourth and the fifth are a group), and the interconnection strips 2 in the gap where each battery string is located are connected by the first bus bar 3.
  • the angle between the end of the second bus bar 4 that is inclined to the back plate and the back plate is 15°, which can ensure that the EVA and the back plate can be pulled in place when the EVA and the back plate are worn, and prevent the back plate opening 7 from exposing the battery slice 1 to avoid
  • the lead wire is in direct contact with the cell 1 and the entire assembly is short-circuited.
  • the width of the gap between the two battery slices 1 in the middle of each battery string is at least 15 mm, so as to prevent the lead wires from pressing on the battery slice 1 and reduce the probability of the battery slice 1 breaking in the subsequent process.
  • Black isolation bars 6 are arranged between the first bus bar 3 and the third bus bar and the light-transmitting layer, and the front surfaces of the first bus bars 3 and the third bus bar are completely covered by the black isolation bars 6.
  • One end of the second bus bar 4 is fixed on the back of the first bus bar 3, and the other end obliquely penetrates the back plate.
  • the opening 7 on the back panel for the second bus bar 4 to pass through is a long rectangle.
  • the length and width of the opening 7 should not be too long or too wide. Too long or too wide will cause the rear junction box to not be completely covered.
  • the opening does not meet the component quality standards; too short or too narrow will cause the lead wire to fail to pass through, affecting on-site operation and increasing the difficulty.
  • the size of the opening 7 is preferably 35 ⁇ 2mm, which can perfectly fit the first The structural features of a bus bar 3 and a second bus bar 4.
  • the manufacturing method of the all-black solar photovoltaic module of this embodiment includes the following steps:
  • Step 1 Weld the interconnecting strip welding tape 2 on the main grid lines on the front and back of the battery slice 1 to connect the battery slices 1 into a battery string and leave a gap between the two battery slices 1 in the middle of the battery string.
  • Step two splice the first bus bar 3 and the third bus bar 5 of the battery strings connected in series into a square battery array.
  • Step 3 Lay the light-transmitting layer, the first EVA film layer and the battery square array from bottom to top in sequence.
  • Step 4 Weld the second bus bar 4 on the first bus bar 3 of the battery square.
  • the specific welding process is as shown in Fig. 7.
  • the flat soldering iron tip 8 is perpendicular to one end of the second bus bar 4.
  • One end of 4 is firmly welded to the first bus bar 3, and the welding time is not less than 2s.
  • one end of the second bus bar 4 and the first bus bar 3 are welded by a flat-tip soldering iron tip 8, it cannot be directly welded.
  • a heat insulation gasket 10 is provided to prevent the first EVA film layer from melting due to high temperature.
  • the heat insulation gasket 10 should not be too thick, otherwise it will not be easy to insert it, and it will break the cell 1 into pieces. It should not be too thin, and it will not have the effect of heat insulation. Therefore, the applicant designed a 1mm thick heat insulation
  • the gasket 10 includes an epoxy board and a tetrafluoroethylene cloth attached to the epoxy board, so that the heat insulation gasket 10 has the advantages of not only insulating but not thick, but also easy to operate.
  • Step 5 Place a black spacer 6 between the first bus bar 3 and the third bus bar and the light-transmitting layer.
  • a black spacer 6 covering the first bus bar 3 is placed, due to the interconnection bar welding tape 2 and the bus The strip has been welded into a whole. Therefore, a template is first placed between the first bus bar 3 and the light-transmitting layer, and then one end of the black spacer 6 is pasted on one end of the template, and finally the template is slowly pulled out so that the black spacer 6 enters Between the first bus bar 3 and the light-transmitting layer, this is not only convenient for operation, but also can prevent damage to the interconnection strip welding strip 2 and the bus bar.
  • Step 6 Lay the second EVA film layer and the back plate in sequence on the battery array, and pass the second bus bar 4 out of the opening 7 on the back plate to form a component to be laminated.
  • Step seven put the components to be laminated into the laminator and take them out after laminating.
  • Step 8 removing the burrs formed by the first EVA adhesive film layer and the second EVA adhesive film layer that are melted during lamination and then extended and solidified due to pressure to obtain an all-black solar photovoltaic module.
  • This embodiment is basically the same as Embodiment 1, except that the angle between the end of the second bus bar 4 that is inclined to the back plate and the back plate is 14°.
  • This embodiment is basically the same as Embodiment 1, except that the angle between the end of the second bus bar 4 that is inclined to the back plate and the back plate is 16°.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本发明公开了一种全黑太阳能光伏组件及其制作方法，其中全黑太阳能光伏组件，从上至下依次包括透光层、第一EVA胶膜层、电池方阵、第二EVA胶膜层和背板；电池方阵包括呈矩阵布置的多个电池片，每一列电池片通过互联条焊带依次连接成电池串，每条电池串中间的两个电池片之间均设有间隙；间隙中的互联条焊带通过第一汇流条连接，第一汇流条上连接有水平方向上垂直第一汇流条并贯穿背板的第二汇流条；电池串两端端头的互联条焊带通过第三汇流条连接；第一汇流条和三汇流条的正面被黑色隔离条完全遮盖；第二汇流条的一端固定在第一汇流条的背面，另一端斜向贯穿背板。本发明能够达到真正意义上的外观全黑效果，提升了品质和市场竞争力。

Description

全黑太阳能光伏组件及其制作方法 技术领域
本发明涉及一种全黑太阳能光伏组件及其制作方法。
背景技术
全黑太阳能光伏组件由于其外观的一致性与美观性，因而越来越受到大众的欢迎，目前市场上的全黑太阳能光伏组件主要包括以下三种：
1、直接使用银色汇流条，其余材料为黑色，但是此类组件从外观上看银色汇流条仍然裸露在外，因此真正意义上来讲，此类组件还是达不到“全黑”的效果；
2、使用黑色隔离将头、尾汇流条遮挡，中间不遮挡，其余材料为黑色，但此类组件从外观上看，中间的银色汇流条仍然裸露在外，因此真正意义上来讲，此类组件也达不到“全黑”的效果；
3、采用黑色隔离将头、尾以及中间的汇流条遮挡起来配合达到全黑组件，但是此类组件在玻璃正面引出线弯曲处会看到6个白点，因此真正意义上来讲，此类组件也达不到“全黑”的效果。
从市场反映来看，目前受欢迎的还是第3类全黑太阳能光伏组件，申请人通过实验分析发现第3类全黑太阳能光伏组件上产生白点的原因是由于此类组件采用竖直方向上垂直于光伏组件水平面的常规引出线引出工艺(如图1所示)，引出线弯曲后会经过层压，层压过程中压力将引出线弯曲处与玻璃之间的EVA胶挤空，导致缺胶现象而产生的白点，在后期组件使用过程中白点缺胶范围会存在扩大的风险，因此存在质量隐患。
发明内容
本发明的目的是提供一种能够达到真正意义上的外观全黑的太阳能光伏组件及其制作方法，提升全黑太阳能光伏组件的品质和市场竞争力。
实现本发明目的的技术方案是：一种全黑太阳能光伏组件，从上至下依次包括透光层、第一EVA胶膜层、电池方阵、第二EVA胶膜层和背板；所述电池方阵包括呈矩阵布置的多个电池片，每一列电池片通过互联条焊带依次连接成电池串，每条电池串中间的两个电池片之间均设有间隙；所述间隙中的互联条焊带通过第一汇流条连接，第一汇流条上连接有水平方向上垂直第一汇流条并贯穿背板的第二汇流条；所述电池串两端端头 的互联条焊带通过第三汇流条连接；所述第一汇流条和三汇流条与透光层之间均设置有黑色隔离条，第一汇流条和三汇流条的正面被黑色隔离条完全遮盖；所述第二汇流条的一端固定在第一汇流条的背面，另一端斜向贯穿背板。
进一步的，所述第二汇流条倾斜于背板的一端与背板之间的夹角为15±1°。
进一步的，所述每条电池串中间的两个电池片之间的间隙的宽度至少为15mm。
进一步的，所述背板上供第二汇流条穿过的开口呈长条状的矩形，尺寸优选为35×2mm。
进一步的，所述电池方阵的电池串设有偶数条；从一侧的第一条电池串开始，电池串两两为一组，每一组电池串两端端头的互联条焊带通过一条第三汇流条连接；最外侧的两条电池串位于的间隙中的互联条焊带各通过一条第一汇流条连接，其余电池串从一侧的第二条电池串开始，电池串两两为一组，每一组电池串位于的间隙中的互联条焊带通过第一汇流条连接。
本发明的全黑太阳能光伏组件的另一种方案是：一种全黑太阳能光伏组件，包括：光伏组件以及包覆在光伏组件四周的边框，光伏组件包括若干列并排平行布置的电池组串，每串电池组串包括沿着串长方向连接的第一电池串和第二电池串，第一电池串和第二电池串通过导电连接部件相接，导电连接部件包括第一汇流条和第二汇流条，第二汇流条的端部压接在第一汇流条的端部，第一汇流条和第二汇流条平行于光伏组件所在的平面。
进一步的，第一电池串和第二电池串均包括若干相接的电池片，上一个电池片与下一个电池片之间通过导电条相连，第一电池串和第二电池串相接处的导电条与导电连接部件电性连接。
进一步的，第一汇流条沿着光伏组件所在的平面横向设置，第二汇流条沿着光伏组件所在的平面纵向设置，第一汇流条与第二汇流条在相接处呈垂直设置。
进一步的，第一汇流条至少一端进行折弯并压接在相应端部形成第二汇流条。
进一步的，第一汇流条至少一端进行机械弯曲形成第二汇流条。
进一步的，第一汇流条至少一端通过搭焊方式连接第二汇流条实现压紧固定。
进一步的，还包括第三汇流条，第三汇流条横向设于光伏组件的顶端部和底端部。
进一步的，第一汇流条、第二汇流条和第三汇流条直接采用黑色汇流条。或者第一汇流条、第二汇流条和第三汇流条采用银色汇流条，
进一步的，在第一汇流条和第二汇流条表面设有与第一汇流条和第二汇流条相匹配且能遮挡住第一汇流条和第二汇流条的隔离条，在第三汇流条表面设有与第三汇流条相匹配且能遮挡住第三汇流条的隔离条。
进一步的，隔离条呈全黑色长条状，从光伏组件的一侧边缘横向延伸至另一侧边缘。
上述全黑太阳能光伏组件的制作方法，包括以下步骤：
步骤一，将互联条焊带焊接在电池片正面及反面的主栅线上，使电池片连接成电池串，并且使电池串中间的两个电池片之间留出间隙；
步骤二，将串接好电池串用第一汇流条和第三汇流条拼接成电池方阵；
步骤三，从下至上依次敷设透光层、第一EVA胶膜层和电池方阵；
步骤四，在电池方阵的第一汇流条上焊接第二汇流条，第二汇流条的一端与另一端之间具有大于165±1°的夹角；
步骤五，在第一汇流条和三汇流条与透光层之间放置黑色隔离条；
步骤六，在电池方阵上依次敷设第二EVA胶膜层和背板，并将第二汇流条从背板上的开口中穿出，形成待层压组件；
步骤七，将待层压组件放入层压机内层压后取出；
步骤八，去除第一EVA胶膜层和第二EVA胶膜层在层压时熔化后因压力而向外延伸固化形成的毛边，得到全黑太阳能光伏组件。
进一步地，所述步骤四中的第二汇流条的一端与第一汇流条的焊接工艺具体为：通过平头烙铁头垂直于第二汇流条的一端，将第二汇流条的一端与第一汇流条焊牢，焊接时间不少于2s，焊完之后通过弯头镊子将两者按实，持续至少4秒后松开。
进一步地，所述第二汇流条的一端与第一汇流条通过平头烙铁头焊接时，在第一汇流条下方垫一块隔热垫片。
进一步地，所述隔热垫片包括环氧板以及贴在环氧板上的四氟布，隔热垫片的厚度优选1mm。
进一步地，所述步骤五中，遮盖第一汇流条的黑色隔离条在放置时，先在第一汇流条与透光层之间垫一块模板，然后将黑色隔离条的一端粘贴在模板一端，最后慢慢抽出模板，使黑色隔离条进入第一汇流条与透光层之间。
采用了上述技术方案，本发明具有以下的有益效果：(1)本发明将第二汇流条设置为从水平方向上垂直第一汇流条，并且另一端斜向贯穿背板，这种结构使得层压时汇流条不会挤压EVA胶，从而避免出现白点，达到真正意义上的外观全黑效果，提升了全黑太阳能光伏组件的品质，大大提高了全黑太阳能光伏组件的市场竞争力。
(2)本发明的第二汇流条倾斜于背板的一端与背板之间的夹角为15±1°，能够保证穿EVA和背板时能够拉到位，防止背板开口露出电池片，避免引出线跟电池片直接接触而导致整个组件短路。
(3)本发明的每条电池串中间的两个电池片之间的间隙的宽度至少为15mm，避免 引出线压到电池片上，降低后道工序中电池片的破片概率。
(4)本发明的背板上供第二汇流条穿过的开口呈长条状的矩形，能够完美适配第一汇流条和第二汇流条的结构特征。
(5)本发明提供的将电池串拼接成电池方阵的连接方式，能给获得最大的输出功率，使产品性能达到最优。
(6)本发明通过平头烙铁头垂直于第二汇流条的一端，将第二汇流条的一端与第一汇流条焊牢，焊接时间不少于2s，焊完之后通过弯头镊子将两者按实，持续至少4秒后松开，此工艺能够避免虚焊，保证整个光伏组件的输出功率。
(7)本发明在第二汇流条的一端与第一汇流条通过平头烙铁头焊接时，在第一汇流条下方垫一块隔热垫片，这样能够防止第一EVA胶膜层因受到高温而融化。
(8)本发明焊接第二汇流条与第一汇流条时采用的隔热垫片包括环氧板以及贴在环氧板上的四氟布，具有既隔热又不厚的优点，又易于操作。
(9)本发明的遮盖第一汇流条的黑色隔离条在放置时，先在第一汇流条与透光层之间垫一块模板，然后将黑色隔离条的一端粘贴在模板一端，最后慢慢抽出模板，使黑色隔离条进入第一汇流条与透光层之间，这样不但方便操作，而且能够避免损坏互联条焊带和汇流条。
附图说明
为了使本发明的内容更容易被清楚地理解，下面根据具体实施例并结合附图，对本发明作进一步详细的说明，其中
图1为常规引出线引出工艺示意图。
图2本发明的实施例1的结构示意图。
图3为图2的A处放大图。
图4为图2的B处放大图。
图5为本发明的第二汇流条的结构示意图。
图6为本发明的背板上供第二汇流条穿过的开口的示意图。
图7为本发明的第一汇流条上焊接第二汇流条的示意图。
图8为本发明的第一汇流条上焊接第二汇流条时，在第一汇流条下方垫一块隔热垫片的示意图。
附图中的标号为：
电池片1、互联条焊带2、第一汇流条3、第二汇流条4、第三汇流条5、黑色隔离条6、开口7、平头烙铁头8、弯头镊子9、隔热垫片10。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，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，所描述的实施例是本发明一部分实施例，而不是全部的实施例。通常在此处附图中描述和示出的本发明实施例的组件可以以各种不同的配置来布置和设计。
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有作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。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本发明实施例的描述中，需要理解的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“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，或者是该发明产品使用时惯常摆放的方位或位置关系，或者是本领域技术人员惯常理解的方位或位置关系，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设备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。
在本发明实施例的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
本发明提供了一种全黑太阳能光伏组件，用于解决现有技术达不到真正意义上的外观全黑的技术问题，为了解决上述问题，本发明的总体思路如下：
全黑太阳能光伏组件，从上至下依次包括透光层、第一EVA胶膜层、电池方阵、第二EVA胶膜层和背板；所述电池方阵包括呈矩阵布置的多个电池片1，每一列电池片1通过互联条焊带2依次连接成电池串，每条电池串中间的两个电池片1之间均设有间隙；所述间隙中的互联条焊带2通过第一汇流条3连接，第一汇流条3上连接有水平方向上垂直第一汇流条3并贯穿背板的第二汇流条4；所述电池串两端端头的互联条焊带2通过第三汇流条5连接；所述第一汇流条3和三汇流条与透光层之间均设置有黑色隔离条6，第一汇流条3和三汇流条的正面被黑色隔离条6完全遮盖；所述第二汇流条4的一 端固定在第一汇流条3的背面，另一端斜向贯穿背板。
本发明将第二汇流条4设置为从水平方向上垂直第一汇流条3，并且另一端斜向贯穿背板，这种结构使得层压时汇流条不会挤压EVA胶，从而避免出现白点，达到真正意义上的外观全黑效果，提升了全黑太阳能光伏组件的品质，大大提高了全黑太阳能光伏组件的市场竞争力。
同时，在本发明的构思下，还保护一种本发明构思下的全黑太阳能光伏组件的制作方法，包括以下步骤：
步骤一，将互联条焊带2焊接在电池片1正面及反面的主栅线上，使电池片1连接成电池串，并且使电池串中间的两个电池片1之间留出间隙；
步骤二，将串接好电池串用第一汇流条3和第三汇流条5拼接成电池方阵；
步骤三，从下至上依次敷设透光层、第一EVA胶膜层和电池方阵；
步骤四，在电池方阵的第一汇流条3上焊接第二汇流条4，第二汇流条4的一端与另一端之间具有大于165±1°的夹角；
步骤五，在第一汇流条3和三汇流条与透光层之间放置黑色隔离条6；
步骤六，在电池方阵上依次敷设第二EVA胶膜层和背板，并将第二汇流条4从背板上的开口中穿出，形成待层压组件；
步骤七，将待层压组件放入层压机内层压后取出；
步骤八，去除第一EVA胶膜层和第二EVA胶膜层在层压时熔化后因压力而向外延伸固化形成的毛边，得到全黑太阳能光伏组件。
为了更好的理解上述技术方案，下面将结合说明书附图以及具体的实施方式对上述技术方案进行详细的说明。
(实施例1)
本实施例的全黑太阳能光伏组件，从上至下依次包括透光层、第一EVA胶膜层、电池方阵、第二EVA胶膜层和背板。见图2至图4，电池方阵包括呈矩阵布置的多个电池片1，每一列电池片1通过互联条焊带2依次连接成电池串。电池方阵的电池串设有六条。每条电池串中间的两个电池片1之间均设有间隙。间隙中的互联条焊带2通过第一汇流条3连接，第一汇流条3上连接有水平方向上垂直第一汇流条3并贯穿背板的第二汇流条4。电池串两端端头的互联条焊带2通过第三汇流条5连接。为了获得最大的输出功率，使产品性能达到最优，将电池串拼接成电池方阵的连接方式具体为：从左侧的第一条电池串开始，电池串两两为一组(第一、第二条为一组，第三、第四条为一组， 第五、第六条为一组)，每一组电池串两端端头的互联条焊带2通过一条第三汇流条5连接。最左侧的电池串和最右侧的电池串位于的间隙中的互联条焊带2各通过一条第一汇流条3连接，其余电池串从一侧的第二条电池串开始，电池串两两为一组(第二、第三条为一组，第四、第五条为一组)，每一组电池串位于的间隙中的互联条焊带2通过第一汇流条3连接。
见图5，第二汇流条4倾斜于背板的一端与背板之间的夹角为15°，能够保证穿EVA和背板时能够拉到位，防止背板开口7露出电池片1，避免引出线跟电池片1直接接触而导致整个组件短路。每条电池串中间的两个电池片1之间的间隙的宽度至少为15mm，避免引出线压到电池片1上，降低后道工序中电池片1的破片概率。
第一汇流条3和三汇流条与透光层之间均设置有黑色隔离条6，第一汇流条3和三汇流条的正面被黑色隔离条6完全遮盖。第二汇流条4的一端固定在第一汇流条3的背面，另一端斜向贯穿背板。见图6，背板上供第二汇流条4穿过的开口7呈长条状的矩形，开口7长度宽度不宜过长、过宽，过长、过宽会导致后道接线盒无法完全遮盖开口，不符合组件质量标准；过短、过窄会导致引出线无法顺利穿出，影响现场操作，增加难度，经多次实验改良，开口7的尺寸优选为35×2mm，能够完美适配第一汇流条3和第二汇流条4的结构特征。
进一步地，本实施例的全黑太阳能光伏组件的制作方法，包括以下步骤：
步骤一，将互联条焊带2焊接在电池片1正面及反面的主栅线上，使电池片1连接成电池串，并且使电池串中间的两个电池片1之间留出间隙。
步骤二，将串接好电池串用第一汇流条3和第三汇流条5拼接成电池方阵。
步骤三，从下至上依次敷设透光层、第一EVA胶膜层和电池方阵。
步骤四，在电池方阵的第一汇流条3上焊接第二汇流条4，焊接工艺具体为：见图7，通过平头烙铁头8垂直于第二汇流条4的一端，将第二汇流条4的一端与第一汇流条3焊牢，焊接时间不少于2s，焊完之后通过弯头镊子9将两者按实，持续至少4秒后松开，从而避免虚焊，保证整个光伏组件的输出功率。见图8，第二汇流条4的一端与第一汇流条3通过平头烙铁头8焊接时，不能直接焊接，高温会将玻璃面EVA直接融化掉，所以焊接时要在第一汇流条3下方垫一块隔热垫片10，防止第一EVA胶膜层因受到高温而融化。隔热垫片10不能太厚，否则不容易塞进去，会将电池片1卡破片，不能太薄，太薄起不到隔热作用，因此，申请人设计了一款1mm厚的隔热垫片10，该隔热垫片10包括环氧板以及贴在环氧板上的四氟布，使隔热垫片10具有既隔热又不厚的优点，又易于操作。
步骤五，在第一汇流条3和三汇流条与透光层之间放置黑色隔离条6，其中，遮盖 第一汇流条3的黑色隔离条6在放置时，由于互联条焊带2和汇流条已焊接成一体，因此，先在第一汇流条3与透光层之间垫一块模板，然后将黑色隔离条6的一端粘贴在模板一端，最后慢慢抽出模板，使黑色隔离条6进入第一汇流条3与透光层之间，这样不但方便操作，而且能够避免损坏互联条焊带2和汇流条。
步骤六，在电池方阵上依次敷设第二EVA胶膜层和背板，并将第二汇流条4从背板上的开口7中穿出，形成待层压组件。
步骤七，将待层压组件放入层压机内层压后取出。
步骤八，去除第一EVA胶膜层和第二EVA胶膜层在层压时熔化后因压力而向外延伸固化形成的毛边，得到全黑太阳能光伏组件。
(实施例2)
本实施例与实施例1基本相同，不同之处在于：第二汇流条4倾斜于背板的一端与背板之间的夹角为14°。
(实施例3)
本实施例与实施例1基本相同，不同之处在于：第二汇流条4倾斜于背板的一端与背板之间的夹角为16°。
以上所述的具体实施例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (20)

  1. 一种全黑太阳能光伏组件，其特征在于：从上至下依次包括透光层、第一EVA胶膜层、电池方阵、第二EVA胶膜层和背板；所述电池方阵包括呈矩阵布置的多个电池片，每一列电池片通过互联条焊带依次连接成电池串，每条电池串中间的两个电池片之间均设有间隙；所述间隙中的互联条焊带通过第一汇流条连接，第一汇流条上连接有水平方向上垂直第一汇流条并贯穿背板的第二汇流条；所述电池串两端端头的互联条焊带通过第三汇流条连接；所述第一汇流条和三汇流条与透光层之间均设置有黑色隔离条，第一汇流条和三汇流条的正面被黑色隔离条完全遮盖；所述第二汇流条的一端固定在第一汇流条的背面，另一端斜向贯穿背板。
  2. 根据权利要求1所述的全黑太阳能光伏组件，其特征在于：所述第二汇流条倾斜于背板的一端与背板之间的夹角为15±1°。
  3. 根据权利要求1所述的全黑太阳能光伏组件，其特征在于：所述每条电池串中间的两个电池片之间的间隙的宽度至少为15mm。
  4. 根据权利要求1所述的全黑太阳能光伏组件，其特征在于：所述背板上供第二汇流条穿过的开口呈长条状的矩形。
  5. 根据权利要求1所述的全黑太阳能光伏组件，其特征在于：所述电池方阵的电池串设有偶数条；
    从一侧的第一条电池串开始，电池串两两为一组，每一组电池串两端端头的互联条焊带通过一条第三汇流条连接；
    最外侧的两条电池串位于的间隙中的互联条焊带各通过一条第一汇流条连接，其余电池串从一侧的第二条电池串开始，电池串两两为一组，每一组电池串位于的间隙中的互联条焊带通过第一汇流条连接。
  6. 一种全黑太阳能光伏组件，包括：光伏组件以及包覆在光伏组件四周的边框，其特征在于，
    光伏组件包括若干列并排平行布置的电池组串，每串电池组串包括沿着串长方向连接的第一电池串和第二电池串，第一电池串和第二电池串通过导电连接部件相接，
    导电连接部件包括第一汇流条和第二汇流条，第二汇流条的端部压接在第一汇流条的端部，第一汇流条和第二汇流条平行于光伏组件所在的平面。
  7. 根据权利要求6所述的全黑太阳能光伏组件，其特征在于，第一电池串和第二电池串均包括若干相接的电池片，上一个电池片与下一个电池片之间通过导电条相连，第一电池串和第二电池串相接处的导电条与导电连接部件电性连接。
  8. 根据权利要求7所述的全黑太阳能光伏组件，其特征在于，第一汇流条沿着光伏组件所在的平面横向设置，第二汇流条沿着光伏组件所在的平面纵向设置，第一汇流条与第二汇流条在相接处呈垂直设置。
  9. 根据权利要求8所述的全黑太阳能光伏组件，其特征在于，第一汇流条至少一端进行折弯并压接在相应端部形成第二汇流条。
  10. 根据权利要求8所述的全黑太阳能光伏组件，其特征在于，第一汇流条至少一端进行机械弯曲形成第二汇流条。
  11. 根据权利要求8所述的全黑太阳能光伏组件，其特征在于，第一汇流条至少一端通过搭焊方式连接第二汇流条实现压紧固定。
  12. 根据权利要求6所述的全黑太阳能光伏组件，其特征在于，还包括第三汇流条，第三汇流条横向设于光伏组件的顶端部和底端部。
  13. 根据权利要求12所述的全黑太阳能光伏组件，其特征在于，第一汇流条、第二汇流条和第三汇流条直接采用黑色汇流条。
  14. 根据权利要求12所述的全黑太阳能光伏组件，其特征在于，第一汇流条、第二汇流条和第三汇流条采用银色汇流条，
    在第一汇流条和第二汇流条表面设有与第一汇流条和第二汇流条相匹配且能遮挡住第一汇流条和第二汇流条的隔离条，在第三汇流条表面设有与第三汇流条相匹配且能遮挡住第三汇流条的隔离条。
  15. 根据权利要求14所述的全黑太阳能光伏组件，其特征在于，隔离条呈全黑色长条状，从光伏组件的一侧边缘横向延伸至另一侧边缘。
  16. 一种如权利要求1所述的全黑太阳能光伏组件的制作方法，其特征在于：包括以下步骤：
    步骤一，将互联条焊带焊接在电池片正面及反面的主栅线上，使电池片连接成电池串，并且使电池串中间的两个电池片之间留出间隙；
    步骤二，将串接好电池串用第一汇流条和第三汇流条拼接成电池方阵；
    步骤三，从下至上依次敷设透光层、第一EVA胶膜层和电池方阵；
    步骤四，在电池方阵的第一汇流条上焊接第二汇流条，第二汇流条的一端与另一端之间具有大于165±1°的夹角；
    步骤五，在第一汇流条和三汇流条与透光层之间放置黑色隔离条；
    步骤六，在电池方阵上依次敷设第二EVA胶膜层和背板，并将第二汇流条从背板上的开口中穿出，形成待层压组件；
    步骤七，将待层压组件放入层压机内层压后取出；
    步骤八，去除第一EVA胶膜层和第二EVA胶膜层在层压时熔化后因压力而向外延伸固化形成的毛边，得到全黑太阳能光伏组件。
  17. 根据权利要求16所述的全黑太阳能光伏组件的制作方法，其特征在于：所述步骤四中的第二汇流条的一端与第一汇流条的焊接工艺具体为：通过平头烙铁头垂直于第二汇流条的一端，将第二汇流条的一端与第一汇流条焊牢，焊接时间不少于2s，焊完之后通过弯头镊子将两者按实，持续至少4秒后松开。
  18. 根据权利要求17所述的全黑太阳能光伏组件的制作方法，其特征在于：所述第二汇流条的一端与第一汇流条通过平头烙铁头焊接时，在第一汇流条下方垫一块隔热垫片。
  19. 根据权利要求18所述的全黑太阳能光伏组件的制作方法，其特征在于：所述隔热垫片包括环氧板以及贴在环氧板上的四氟布。
  20. 根据权利要求16所述的全黑太阳能光伏组件的制作方法，其特征在于：所述步骤五中，遮盖第一汇流条的黑色隔离条在放置时，先在第一汇流条与透光层之间垫一块模板，然后将黑色隔离条的一端粘贴在模板一端，最后慢慢抽出模板，使黑色隔离条进入第一汇流条与透光层之间。
PCT/CN2020/140761 2020-06-09 2020-12-29 全黑太阳能光伏组件及其制作方法 WO2021248884A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010518939.2 2020-06-09
CN202010518939.2A CN111668316A (zh) 2020-06-09 2020-06-09 全黑色太阳能光伏组件
CN202011224664.8 2020-11-05
CN202011224664.8A CN112331730A (zh) 2020-11-05 2020-11-05 全黑太阳能光伏组件及其制作方法

Publications (1)

Publication Number Publication Date
WO2021248884A1 true WO2021248884A1 (zh) 2021-12-16

Family

ID=78846911

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/140761 WO2021248884A1 (zh) 2020-06-09 2020-12-29 全黑太阳能光伏组件及其制作方法

Country Status (1)

Country Link
WO (1) WO2021248884A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114789313A (zh) * 2022-05-12 2022-07-26 浙江晶科能源有限公司 一种高速焊接系统以及高速焊接方法
CN114833496A (zh) * 2022-04-25 2022-08-02 宁夏小牛自动化设备有限公司 一种电池串间汇流条焊接方法及焊接设备
CN115911188A (zh) * 2023-03-10 2023-04-04 苏州小牛自动化设备有限公司 布串台、制串设备及制串方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206452364U (zh) * 2016-12-21 2017-08-29 苏州宇邦新型材料股份有限公司 一种立体折弯汇流带、单玻光伏组件及双玻光伏组件
CN206807395U (zh) * 2017-05-31 2017-12-26 英利能源（中国）有限公司 双面发电组件
CN208190598U (zh) * 2018-05-14 2018-12-04 阿特斯阳光电力集团有限公司 光伏组件
US20200091369A1 (en) * 2015-01-29 2020-03-19 Solaria Corporation Tiled solar cell laser process
CN111668316A (zh) * 2020-06-09 2020-09-15 江苏昊宇光伏科技有限公司 全黑色太阳能光伏组件
CN212161824U (zh) * 2020-06-09 2020-12-15 江苏昊宇光伏科技有限公司 全黑色太阳能光伏组件

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200091369A1 (en) * 2015-01-29 2020-03-19 Solaria Corporation Tiled solar cell laser process
CN206452364U (zh) * 2016-12-21 2017-08-29 苏州宇邦新型材料股份有限公司 一种立体折弯汇流带、单玻光伏组件及双玻光伏组件
CN206807395U (zh) * 2017-05-31 2017-12-26 英利能源（中国）有限公司 双面发电组件
CN208190598U (zh) * 2018-05-14 2018-12-04 阿特斯阳光电力集团有限公司 光伏组件
CN111668316A (zh) * 2020-06-09 2020-09-15 江苏昊宇光伏科技有限公司 全黑色太阳能光伏组件
CN212161824U (zh) * 2020-06-09 2020-12-15 江苏昊宇光伏科技有限公司 全黑色太阳能光伏组件

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114833496A (zh) * 2022-04-25 2022-08-02 宁夏小牛自动化设备有限公司 一种电池串间汇流条焊接方法及焊接设备
CN114789313A (zh) * 2022-05-12 2022-07-26 浙江晶科能源有限公司 一种高速焊接系统以及高速焊接方法
CN115911188A (zh) * 2023-03-10 2023-04-04 苏州小牛自动化设备有限公司 布串台、制串设备及制串方法

Similar Documents

Publication Publication Date Title
WO2021248884A1 (zh) 全黑太阳能光伏组件及其制作方法
WO2019047374A1 (zh) 一种应用于叠片组件的焊带结构
CN112331730A (zh) 全黑太阳能光伏组件及其制作方法
WO2016188145A1 (zh) 太阳能电池片、太阳能电池组件、电池片单元及其制备方法
CN101425546B (zh) 用于光电电池的电极、光电电池和光电模块
JP2006278710A (ja) 太陽電池モジュール及びその製造方法
CN114068734A (zh) 一种光伏电池组件的制造方法
CN114023842A (zh) 太阳能电池串的连接方法、太阳能电池组件及其制备方法
CN114649443B (zh) 背接触太阳能电池串及其制备方法、电池组件及光伏系统
CN109449229A (zh) 一种叠瓦光伏组件
JP4138795B2 (ja) インターコネクタ付き太陽電池セル、および、それを用いる太陽電池ストリング、ならびに、その太陽電池ストリングを用いる太陽電池モジュール
CN113611766B (zh) 太阳能电池组件及其制备方法
CN109560155B (zh) 太阳能电池组件及其制造方法
TWI686053B (zh) 太陽能板與太陽能電池模組
CN110165007A (zh) 一种叠瓦电池串的连接方法及叠瓦组件的制造方法
CN110034203A (zh) 一种太阳能电池片的搭接结构及太阳能组件
CN111403490A (zh) 太阳能电池互联结构制备方法
CN211578765U (zh) 叠瓦组件
CN114220879A (zh) 一种无主栅线电极的叠瓦电池组件及其制备方法
JP4738147B2 (ja) 太陽電池モジュール及びその製造方法
CN209071344U (zh) 一种叠瓦光伏组件
WO2017211180A1 (zh) 一种太阳能电池组件的封装工艺
JP2004031646A (ja) 太陽電池モジュール
CN117153951A (zh) 一种背接触光伏组件的生产方法及背接触光伏组件
WO2023185003A1 (zh) 一种光伏组件及其制备工艺

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20939926

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20939926

Country of ref document: EP

Kind code of ref document: A1