CN109524510B - Photovoltaic cell laminating method, equipment and method for splicing and assembling photovoltaic cell assembly - Google Patents
Photovoltaic cell laminating method, equipment and method for splicing and assembling photovoltaic cell assembly Download PDFInfo
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- CN109524510B CN109524510B CN201811632992.4A CN201811632992A CN109524510B CN 109524510 B CN109524510 B CN 109524510B CN 201811632992 A CN201811632992 A CN 201811632992A CN 109524510 B CN109524510 B CN 109524510B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010030 laminating Methods 0.000 title abstract description 28
- 210000004027 cell Anatomy 0.000 claims abstract description 249
- 238000003825 pressing Methods 0.000 claims abstract description 144
- 238000003466 welding Methods 0.000 claims abstract description 59
- 239000000178 monomer Substances 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000009501 film coating Methods 0.000 claims abstract description 8
- 239000007888 film coating Substances 0.000 claims abstract description 8
- 210000003850 cellular structure Anatomy 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000576 coating method Methods 0.000 abstract description 36
- 239000011248 coating agent Substances 0.000 abstract description 33
- 230000007246 mechanism Effects 0.000 description 71
- 239000000463 material Substances 0.000 description 37
- 239000010410 layer Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 238000005056 compaction Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007723 transport mechanism Effects 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67736—Loading to or unloading from a conveyor
-
- 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
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
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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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic cell film coating method and film coating equipment thereof, wherein the photovoltaic cell film coating method comprises the following steps: (1) Arranging a plurality of photovoltaic cells along the length direction of a lower light-transmitting film at preset intervals and pressing the photovoltaic cells between the upper light-transmitting film and the lower light-transmitting film to form a pressing piece; (2) And cutting off the pressing piece from a position between two adjacent photovoltaic cells along the length direction of the lower light-transmitting film to obtain independent photovoltaic cell laminating monomers. According to the invention, the film is coated before welding, so that the production efficiency of the photovoltaic battery assembly is improved, the equipment structure is optimized, and the cost is reduced. The invention also discloses a method for splicing and assembling the photovoltaic cell component, which comprises the steps of coating films before welding, cutting and lifting the upper light-transmitting film on the pin welding spot during welding, and precisely welding the strip and then pressing down the lifted part to manufacture the photovoltaic cell component.
Description
Technical Field
The invention relates to the field of production and manufacturing of photovoltaic cells, in particular to a photovoltaic cell film coating method, a photovoltaic cell film coating device and a method for splicing and assembling a photovoltaic cell assembly.
Background
When the photovoltaic cell assembly is manufactured, the strips are connected among the photovoltaic cells, and then the photovoltaic cell assembly is manufactured by laminating films on the two sides of the connected photovoltaic cells through manual operation, however, in the photovoltaic cell assembly, the lengths of the strips between the adjacent photovoltaic cells are different, the photovoltaic cells are easy to damage and bend, if the photovoltaic cell assembly is realized through mechanization, the requirements on the complexity and the precision of equipment are high, and the yield is low. And in production, if a certain strip is not welded firmly, or a certain photovoltaic cell is in error, the whole photovoltaic cell assembly is scrapped, and the scrapping cost is high.
Therefore, there is an urgent need for a photovoltaic cell coating method and a photovoltaic cell coating apparatus that can solve the above problems.
Disclosure of Invention
The invention aims to provide a photovoltaic cell laminating device which is used for processing an independent photovoltaic cell laminating monomer, and enables a cut part to be easily lifted to expose a pin welding spot after two sides of the pin welding spot of a first light-transmitting film or a second light-transmitting film positioned outside a photovoltaic cell are cut in a subsequent process.
The invention further aims to provide a method for splicing and assembling the photovoltaic cell assembly, which comprises the steps of coating films before welding, cutting and lifting the upper light-transmitting film on the pin welding spot during welding, and precisely welding the strip to manufacture the photovoltaic cell assembly, wherein the production efficiency is high, the equipment is simple, the cost is low, and the yield of the manufactured photovoltaic cell assembly is high.
In order to achieve the above object, the invention discloses a photovoltaic cell film coating method, which comprises the following steps: (1) Arranging a plurality of photovoltaic cells along the length direction of a lower light-transmitting film at preset intervals and pressing the photovoltaic cells between the upper light-transmitting film and the lower light-transmitting film to form a pressing piece; (2) And cutting off the pressing piece from a position between two adjacent photovoltaic cells along the length direction of the lower light-transmitting film so as to obtain independent photovoltaic cell film-coating monomers.
Compared with the prior art, the invention directly wraps the independent photovoltaic cells in the light-transmitting film together by communicating the pin welding spots before the strip is welded by the pin welding spots, and the photovoltaic cells can be directly produced by using full-automatic production equipment without connecting the plurality of photovoltaic cells into a battery pack and then coating the film, so that the equipment has simple structure and high production efficiency, can effectively protect the photovoltaic cells, and can be replaced in time when a certain photovoltaic cell coating single body fails. On the other hand, the front side and the rear side of the photovoltaic cells are sequentially arranged in the length direction of the lower transparent film, each photovoltaic cell is pressed at the same preset position in the width direction of the lower transparent film, so that pin welding spots are at preset positions in the left-right direction of a single photovoltaic cell coating body, the pin welding spots can be accurately positioned and cut through the upper transparent film in the subsequent process, and then the upper strips are welded to connect a plurality of photovoltaic cells together to form a photovoltaic cell assembly, thereby facilitating automatic production and timely and convenient maintenance when a certain photovoltaic cell welding spot is unstable. The pin welding spots can be directly formed on the upper surface of the photovoltaic cell, and can also protrude out of the front side and the rear side edges of the photovoltaic cell.
Preferably, in the step (1), the front side and the rear side of the photovoltaic cells are arranged along the length direction of the lower light-transmitting film, and each photovoltaic cell is pressed at the same preset position in the width direction of the lower light-transmitting film, so that trimming and determining the position of the pin welding spot are facilitated, and the light-transmitting film can be accurately cut in subsequent procedures to expose the pin welding spot.
Preferably, the step (1) specifically includes: (11) Cutting a positioning transparent film into positioning films corresponding to the photovoltaic cell film-covering monomers, wherein a pin notch penetrating to the corresponding edge of the positioning film is formed in the position, corresponding to each pin welding point, of each positioning film, (12) pressing the positioning films onto the corresponding positions on the upper surface of the photovoltaic cell to form a pre-pressing piece, each pin welding point is arranged at the corresponding pin notch, and (13) pressing the pre-pressing piece between the upper transparent film and the lower transparent film along the preset position to form a pressing piece. After the upper light-transmitting film is cut in the subsequent welding process, the pin notch enables the position of the upper light-transmitting film at the pin welding point to be easily lifted, and after welding is finished, a mounting area is provided for the welded strip, so that the lifted upper light-transmitting film is conveniently pressed back to the original position.
The invention also discloses a method for splicing and assembling the photovoltaic cell component, which comprises the following steps: (1) Arranging a plurality of photovoltaic cells along the length direction of a lower light-transmitting film at preset intervals and pressing the photovoltaic cells between the upper light-transmitting film and the lower light-transmitting film to form a pressing piece; (2) And cutting off the pressing piece from a position between two adjacent photovoltaic cells along the length direction of the lower light-transmitting film to obtain an independent photovoltaic cell film-covering monomer, wherein the photovoltaic cells and pin welding spots are coated in the upper light-transmitting film and the lower light-transmitting film. (3) Cutting an upper light-transmitting film covered on the upper surface of the photovoltaic cell covering film monomer by a preset distance along the left side edge and the right side edge of the position where the pin welding point is located, and lifting the cut upper light-transmitting film upwards to expose the pin welding point; (4) Using a strip to weld on pin welding spots of a plurality of photovoltaic cells so as to connect the photovoltaic cells together to form a photovoltaic cell group; (5) And pressing the lifted upper light-transmitting film downwards on the photovoltaic cell and the lower light-transmitting film.
Compared with the prior art, the invention directly wraps the independent photovoltaic cells in the light-transmitting film together through the pin welding points, and the plurality of photovoltaic cells are not required to be connected into the battery pack and then coated, so that the full-automatic production equipment can be directly used for production, the production efficiency is high, the photovoltaic cells can be effectively protected, and the photovoltaic cells can be replaced in time when a certain photovoltaic cell coating monomer fails. On the other hand, the front side and the rear side of the photovoltaic cells are sequentially arranged in the length direction of the lower transparent film, each photovoltaic cell is pressed at the same preset position in the width direction of the lower transparent film, so that the pin welding spots are at the preset positions in the left-right direction of the photovoltaic cell coating monomers, the pin welding spots can be accurately positioned and cut through the upper transparent film to expose, and then the upper strips are welded to connect a plurality of photovoltaic cells together to form a photovoltaic cell assembly, thereby facilitating automatic production and having high yield. Furthermore, when a certain photovoltaic cell welding point is unstable, the photovoltaic cell welding point can be maintained conveniently in time. The pin welding spots can be directly formed on the upper surface of the photovoltaic cell, and can also protrude out of the front side and the rear side edges of the photovoltaic cell.
Preferably, in the step (1), the front side and the rear side of the photovoltaic cells are arranged along the length direction of the lower light-transmitting film, and each photovoltaic cell is pressed at the same preset position in the width direction of the lower light-transmitting film, so that the trimming is facilitated, the positions of the pin welding spots are determined, and the upper light-transmitting film can be precisely cut to expose the pin welding spots.
Preferably, the step (1) specifically includes: (11) Cutting a positioning transparent film into positioning films corresponding to the photovoltaic cell film-covering monomers, wherein a pin notch penetrating to the corresponding edge of the positioning film is formed in the position, corresponding to each pin welding point, of each positioning film, (12) pressing the positioning films onto the corresponding positions on the upper surface of the photovoltaic cell to form a pre-pressing piece, each pin welding point is arranged at the corresponding pin notch, and (13) pressing the pre-pressing piece between the upper transparent film and the lower transparent film along the preset position to form a pressing piece. The pin notch enables the position of the upper light-transmitting film at the pin welding point to be easily lifted, and a corresponding position is provided for the welded strip, and in the step (5), the lifted upper light-transmitting film is directly pressed downwards at the original cutting position, so that the surface edge of the photovoltaic cell film-covered monomer in the photovoltaic cell assembly is not uneven.
The invention also discloses a photovoltaic cell laminating device which is used for laminating films on two sides of a photovoltaic cell, wherein pin welding spots are arranged on the front side and the rear side of the upper surface of the photovoltaic cell, the photovoltaic cell laminating device comprises a conveying belt, a second film conveying roll, a first film conveying roll, a sucker conveying mechanism, a pressing mechanism and a cutting mechanism, and the conveying belt sequentially conveys materials to a first position, a second position, a third position, a fourth position and a blanking position; continuously conveying the first light-transmitting film to the first position by a first film feeding roll; continuously conveying the second light-transmitting film to the third position by the second film feeding roll; the sucker conveying mechanism conveys the photovoltaic cell to the second position; the pressing mechanism presses the material at the fourth position, so that the photovoltaic cell is pressed between the first light-transmitting film and the second light-transmitting film to form a pressing piece; and the cutting mechanism cuts the pressing piece at the blanking position from the position between two adjacent photovoltaic cells to form an independent photovoltaic cell laminating monomer.
Compared with the prior art, the invention seals the welding points of the connecting pins of the independent photovoltaic cells in the light-transmitting film together through the photovoltaic cell laminating equipment, and the photovoltaic cells can be directly produced by using the full-automatic production equipment without connecting the plurality of photovoltaic cells into a battery pack and then laminating the battery pack, so that the production efficiency is high, the photovoltaic cells can be effectively protected, and the photovoltaic cells can be replaced in time when a certain photovoltaic cell laminating monomer fails. On the other hand, the equipment is matched with subsequent welding equipment, the first light-transmitting film or the second light-transmitting film on the upper surface of the photovoltaic cell is cut to expose the pin welding spots, and then the strip is welded to connect a plurality of photovoltaic cells together to form a photovoltaic cell assembly, so that the automatic production is convenient, and when a certain photovoltaic cell welding spot is unstable, the maintenance can be timely and convenient. The pin welding spots can be directly formed on the upper surface of the photovoltaic cell, and can also protrude out of the front side and the rear side edges of the photovoltaic cell.
The first light-transmitting film can be an upper light-transmitting film positioned on the upper surface of the photovoltaic cell, and the second light-transmitting film is a lower light-transmitting film positioned on the lower surface of the photovoltaic cell correspondingly. The first light-transmitting film can be a lower light-transmitting film positioned on the lower surface of the photovoltaic cell, and the second light-transmitting film can also be an upper light-transmitting film correspondingly positioned on the upper surface of the photovoltaic cell.
Preferably, the sucker conveying mechanism transversely places the photovoltaic cells at corresponding positions of the width of the conveying material belt, so that the front side and the rear side of the photovoltaic cells are distributed along the length direction of the conveying material belt. According to the photovoltaic cell, the front side and the rear side of the photovoltaic cell are sequentially arranged in the length direction of the first light-transmitting film, and each photovoltaic cell is pressed at the same preset position in the width direction of the first light-transmitting film, so that the pin welding point is at the preset position in the left-right direction of a photovoltaic cell film-covered monomer, and the first light-transmitting film or the second light-transmitting film positioned on the upper surface of the photovoltaic cell can be accurately positioned and cut to expose the pin welding point.
Preferably, the photovoltaic cell laminating equipment further comprises a pre-pressing piece processing device, wherein the pre-pressing piece processing device comprises a pre-pressing table, a positioning film feeding roll, a blanking mechanism, a material conveying mechanism and a first pressing assembly, the positioning film feeding roll conveys a positioning light-transmitting film to the blanking mechanism, the blanking mechanism cuts the positioning light-transmitting film into positioning films corresponding to the photovoltaic cell laminating monomers, and pin gaps penetrating through corresponding edges of the positioning films are formed in positions, corresponding to pin welding points, of the positioning films; the material conveying mechanism sequentially conveys the photovoltaic cell and the positioning diaphragm to the pre-pressing table, the photovoltaic cell and the positioning diaphragm are aligned and stacked, the first pressing assembly is matched with the pre-pressing table to press the positioning diaphragm and the photovoltaic cell together to form a pre-pressing piece, and the sucker conveying mechanism conveys the pre-pressing piece to the second position. The pin notch enables the first light-transmitting film or the second light-transmitting film positioned on the upper surface of the photovoltaic cell to be cut, and then the cut part is easily lifted to expose the pin welding spot.
More preferably, the photovoltaic cell laminating device further comprises a second pressing component, the second pressing component is matched with the pressing platform at the second position to press the photovoltaic cell or the pre-pressing component on the first light-transmitting film at the second position when the photovoltaic cell or the pre-pressing component is placed at the second position, so that the photovoltaic cell or the pre-pressing component is prevented from being deviated on the first light-transmitting film, and the pre-pressing component can be pressed on the first light-transmitting film more firmly.
More preferably, the material conveying mechanism conveys the photovoltaic cell to the pre-pressing table, and conveys the positioning diaphragm from the blanking mechanism to the pre-pressing table and covers the photovoltaic cell.
Specifically, photovoltaic cell tectorial membrane equipment still includes the loading tray that bears photovoltaic cell, material conveying mechanism still includes first conveying component, second conveying component and third conveying component, first conveying component and second conveying component are all installed on first straight line slide rail, first conveying component will the photovoltaic cell is followed on the loading tray carries to the prestressing table of pressfitting station, second conveying component will the location diaphragm is followed blanking mechanism carries to the prestressing table of pressfitting station on, third conveying component with the prestressing table links to each other and drives the prestressing table is followed first straight line slide rail removes to pressfitting station and the station of unloading, sucking disc conveying mechanism will the prestressing table of unloading station carries to the second position.
More preferably, the blanking mechanism comprises an upper die, a lower die and a driving part, wherein a through hole corresponding to the positioning diaphragm is penetratingly formed in the upper die, a punch block matched with the through hole is arranged on the lower die, a channel for the positioning diaphragm to pass through is formed between the upper die and the lower die, and the driving part drives the punch block to ascend to be matched with the edge of the through hole to punch the positioning diaphragm on the upper surface of the punch block.
Specifically, sucking disc conveying mechanism includes fourth conveying component and upset subassembly, the pre-compaction platform shaping in the upper surface of punching block, fourth conveying component will photovoltaic cell carry to pre-compaction platform and cover in on the location diaphragm, upset subassembly including around the first pivot pivoted upset sucking disc that the level set up and with the rotation drive portion that the upset sucking disc links to each other, rotation drive portion drives upset sucking disc coiling first pivot reciprocating rotation, so that the upset sucking disc suction nozzle overturns to first station or suction nozzle overturns to the second station upwards downwards, first station is located pre-compaction platform department, perhaps upset compression fittings still includes the pressfitting conveying component that carries the pressfitting spare follow pre-compaction platform to first station, sucking disc conveying mechanism will the pre-compaction spare is followed second station carries to the second position.
More specifically, the first rotating shaft is located at a side portion of the overturning sucker, the rotating driving portion drives the overturning sucker to rotate in a reciprocating mode around the first rotating shaft so that the overturning sucker moves at two opposite sides of the first rotating shaft, and the first station and the second station are located at two opposite sides of the first rotating shaft respectively. The occupied volume is small, and the overturning is easy.
More specifically, the material conveying mechanism comprises a conveying plate rotating around a vertical second rotating shaft, a material taking sucker installed on the conveying plate, a rotary driving part driving the conveying plate to rotate around the second rotating shaft and a lifting driving part driving the conveying plate to move along the vertical direction, the rotary driving part drives the conveying plate to rotate around the second rotating shaft so that the material taking sucker moves between a second station and a second position, and the lifting driving part drives the conveying plate to move up and down, and a suction nozzle of the material taking sucker faces downwards. Simple structure, convenient and fast, saving space.
Drawings
Fig. 1a is an exploded schematic view of a photovoltaic cell coating monomer according to a first embodiment of the present invention.
Fig. 1b is a production flow chart of the photovoltaic cell coating method in the first embodiment of the present invention.
Fig. 1c is a schematic structural diagram of a photovoltaic cell coating monomer according to another embodiment of the present invention.
Fig. 2a is an exploded schematic view of a photovoltaic cell coating monomer according to a second embodiment of the present invention.
Fig. 2b is a production flow chart of a photovoltaic cell coating method according to a second embodiment of the present invention.
Fig. 2c is a schematic structural diagram of a photovoltaic cell coating monomer according to another embodiment of the present invention.
Fig. 3 is a schematic view of a photovoltaic cell coating apparatus according to a third embodiment of the present invention.
Fig. 4 is a schematic view of a photovoltaic cell coating apparatus according to a fourth embodiment of the present invention.
Fig. 5 is a schematic view of a photovoltaic cell coating apparatus according to a fifth embodiment of the present invention.
Fig. 6 is a schematic plan view of a photovoltaic cell laminating apparatus according to a fifth embodiment of the present invention.
Fig. 7 is a top view of a photovoltaic cell coating apparatus according to a fifth embodiment of the present invention.
Fig. 8 is a schematic perspective view of a pre-press working apparatus according to a fourth and fifth embodiment of the present invention.
Fig. 9 is a top view of the preform processing device depicted in fig. 8.
Fig. 10 is a schematic structural view of a blanking mechanism according to a third, fourth, fifth and sixth embodiment of the present invention.
Fig. 11 is a side view of the preform processing device depicted in fig. 8.
Fig. 12 is a schematic perspective view of a portion of a photovoltaic cell coating apparatus according to a sixth embodiment of the present invention.
Fig. 13 is a partial side view of a photovoltaic cell coating apparatus according to a sixth embodiment of the present invention.
Fig. 14 is a schematic partial perspective view of a photovoltaic cell laminating apparatus according to a sixth embodiment of the present invention at another angle.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1a and 1b, in a first embodiment of the present invention, the present invention discloses a photovoltaic cell lamination method S100, comprising the steps of: (S10) arranging a plurality of photovoltaic cells 11 at a predetermined pitch along the length direction of the lower light-transmitting film 12 and bonding between the upper light-transmitting film 13 and the lower light-transmitting film 12 to form a bonding member 17; (S20) cutting off the pressing piece 17 from a position between two adjacent photovoltaic cells 11 along the length direction of the lower transparent film 12 to obtain independent photovoltaic cell coating monomers 14, wherein the photovoltaic cells 11 and pin welding points 111 in the photovoltaic cell coating monomers 14 are coated in the upper transparent film 13 and the lower transparent film 12.
Wherein, referring to fig. 1b, the step (S10) includes: (S11 a) arranging and laying a plurality of photovoltaic cells 11 on the lower light-transmitting film 12 at a predetermined interval along the length direction of the lower light-transmitting film 12, (S11 b) covering the upper light-transmitting film 13 on the lower light-transmitting film 12 and pressing so that the photovoltaic cells 11 are pressed between the upper light-transmitting film 13 and the lower light-transmitting film 12.
Specifically, in the step (S20), the upper light-transmitting film 13 and the lower light-transmitting film 12 are cut from the most middle position of two adjacent photovoltaic cells 11, and the lead pads 111 of the produced photovoltaic cell coating units 14 are completely coated in the upper light-transmitting film 13 and the lower light-transmitting film 12.
Specifically, referring to fig. 1b, in the step (S10), the front side and the rear side of the photovoltaic cell 11 are arranged along the length direction of the lower transparent film 12, and each photovoltaic cell 11 is pressed at the same preset position in the width direction of the lower transparent film 12, so that trimming is facilitated and the positions of the pin pads are determined, so that the upper transparent film can be precisely cut to expose the pin pads in the subsequent process.
Referring to fig. 1c, in another embodiment, in the step (S20), the press-fit member 17 is cut at a position adjacent to the lead solder joint 111 of the photovoltaic cell 11, the lead solder joint 111 of the produced photovoltaic cell coating unit 14 is coated in the upper light-transmitting film 13 and the lower light-transmitting film 12, and the ends thereof are exposed at the edges of the upper light-transmitting film 13 and the lower light-transmitting film 12. Even if the lead pads 111 protrude beyond the edge of the photovoltaic cell 11, the upper light-transmitting film 13 and the lower light-transmitting film 12 are cut directly from the positions where the lead pads 111 are located.
Referring to fig. 2a and 2b, in a second embodiment of the present invention, the step (S10) further includes, unlike the first embodiment: (a) Cutting the positioning transparent film 15 into positioning films 151 corresponding to the photovoltaic cell coating monomers 14, wherein a pin notch 152 penetrating to the corresponding edge of the positioning transparent film 151 is arranged at the position of each positioning film 151 corresponding to the pin welding point 111; (b) Pressing the positioning film 151 on a corresponding position on the upper surface of the photovoltaic cell 11 to manufacture a pre-pressing piece 16, wherein the pin welding points 111 are arranged at the pin gaps 152; in the step (S20): the pre-press 16 is pressed between the upper light-transmitting film 13 and the lower light-transmitting film 12 along a predetermined position to form a press 17. The size of the positioning membrane 151 may be the same as the size of the photovoltaic cell coating unit 14, or may be slightly larger or slightly smaller than the size of the photovoltaic cell coating unit 14, as long as the size of the positioning membrane 151 is not too large with the photovoltaic cell coating unit 14, the size of the positioning membrane 151 in the width direction of the lower transparent film 12 needs to be smaller than or equal to the photovoltaic cell coating unit 14, and the size of the positioning membrane 151 along the length direction of the lower transparent film 12 needs to be larger than or equal to the photovoltaic cell 11. The size of the positioning film 151 along the length direction of the lower transparent film 12 is preferably greater than or equal to the photovoltaic cell coating monomer 14. In the present embodiment, the size of the positioning film 151 along the length direction of the lower light-transmitting film 12 is slightly smaller than the photovoltaic cell coating film unit 14 and larger than the photovoltaic cell 11, and the size of the positioning film 151 along the width direction of the lower light-transmitting film 12 is smaller than the photovoltaic cell coating film unit 14 and larger than the photovoltaic cell 11.
In this embodiment, in the step (S20), the pressing member 17 is cut from the position at the middle of two adjacent photovoltaic cells 11, and the lead pads 111 of the photovoltaic cell coating unit 14 are completely covered in the upper light-transmitting film 13 and the lower light-transmitting film 12.
Referring to fig. 2c, in another embodiment, in the step (S20), the press-fit member 17 is cut off at a position adjacent to the lead pads 111 of the photovoltaic cell 11, the lead pads 111 of the produced photovoltaic cell coating unit 14 are coated in the upper light-transmitting film 13 and the lower light-transmitting film 12, and the ends thereof are exposed at the edges of the upper light-transmitting film 13 and the lower light-transmitting film 12. Even if the lead pads 111 protrude beyond the edge of the photovoltaic cell 11, the press 17 is cut directly from the location of the lead pads 111.
The invention also discloses a method for splicing and assembling the photovoltaic cell assembly, which comprises the photovoltaic cell laminating method S100 and the following steps: (S30) cutting the upper light-transmitting film 13 covered on the upper surface of the photovoltaic cell covering unit 14 by a predetermined distance along the left and right edges of the position where the lead pads 111 are located, and lifting the upper light-transmitting film 13 upward to expose the lead pads 111; (S40) soldering the plurality of photovoltaic cells 11 to the lead pads 111 of the plurality of photovoltaic cells 11 using a tape (not shown) to join the plurality of photovoltaic cells 11 together to form a photovoltaic cell group (not shown); (S50) pressing the lifted upper light-transmitting film 13 down on the photovoltaic cell 11 and the lower light-transmitting film 12, the lifted upper light-transmitting film 13 being pressed into the notch cut in the upper light-transmitting film 13.
Referring to fig. 3, 6 and 7, in a third embodiment of the present invention, the present invention discloses a photovoltaic cell laminating apparatus 200 for laminating two sides of a photovoltaic cell 11, wherein pin pads 111 are disposed on front and rear sides of an upper surface of the photovoltaic cell 11, the photovoltaic cell laminating apparatus 200 includes a feeding belt 60, a second film feeding roll 32, a first film feeding roll 31, a suction cup conveying mechanism 51, a pressing mechanism 43 and a cutting mechanism 61, and the feeding belt 60 sequentially conveys materials (an upper transparent film 13, a lower transparent film 12 and the photovoltaic cell 11) to a first position 21, a second position 22, a third position 23, a fourth position 24 and a discharging position 25; the first film feed roll 31 continuously feeds the lower light-transmitting film 12 to the first position 21; a second film feed roll 32 continuously feeds the upper light-transmitting film 13 to the third position 23; the suction cup transport mechanism 51 transports the photovoltaic cells 11 to the second location 22; the pressing mechanism 43 presses the upper light-transmitting film 13, the lower light-transmitting film 12, and the photovoltaic cell 11 at the fourth position 24 so that the photovoltaic cell 11 is pressed between the upper light-transmitting film 13 and the lower light-transmitting film 12 to form a pressing member 17 (as shown in fig. 1b and 2 b); the cutting mechanism 61 cuts the press 17 at the discharge position 25 from a position between adjacent two photovoltaic cells 11 to form individual photovoltaic cell coating units 14 (as shown in fig. 1b and 2 b). Of course, the upper light-transmitting film 13 may be continuously fed to the first position 21 by the first film feeding roll 31, and the lower light-transmitting film 12 may be continuously fed to the third position 23 by the second film feeding roll 32.
Wherein, a plurality of deviation correcting devices are arranged on the conveying channels of the upper light-transmitting film 13 and the lower light-transmitting film 12 to prevent the position deviation of the upper light-transmitting film 13 and the lower light-transmitting film 12 on the conveying belt 60.
Referring to fig. 3 and 6, the photovoltaic cell laminating apparatus further includes a blanking conveying assembly 52, and the blanking conveying assembly 52 conveys the cut photovoltaic cell laminating monomer 14 to a preset position for material receiving treatment.
Referring to fig. 7, the suction cup conveying mechanism 51 horizontally places the photovoltaic cells 11 (or the pre-press 16) at corresponding positions of the width of the conveying belt 60 so that the front and rear sides of the photovoltaic cells 11 (or the pre-press 16) are arranged along the length direction of the conveying belt 60. That is, the suction cup conveying mechanism 51 horizontally positions the photovoltaic cell 11 (or the pre-press 16) at a position corresponding to the width of the lower transparent film 12, so that the front and rear sides thereof are arranged along the length direction of the lower transparent film 12.
Referring to fig. 3 and 6, the photovoltaic cell laminating apparatus further includes a second lamination assembly 42, and the second lamination assembly 42 cooperates with the lamination stage 421 to laminate the photovoltaic cell 11 to the lower transparent film 12 at the second position 22. Referring to fig. 8, preferably, the second pressing component 42 is disposed on the suction cup component of the suction cup conveying mechanism 51, and when the suction cup conveying mechanism 51 releases the photovoltaic cell 11 on the lower transparent film 12, several pressing blocks of the second pressing component pass through the through holes on the board where the suction cup component of the suction cup conveying mechanism 51 is located and press the photovoltaic cell 11 on the lower transparent film 12 at the second position 22.
The lower transparent film 12 is pressed on the lower surface of the photovoltaic cell 11, and the upper transparent film 13 is pressed on the upper surface of the photovoltaic cell 11.
Referring to fig. 4,8, 9 and 11, in a fourth embodiment of the present invention, unlike the third embodiment, the photovoltaic cell laminating apparatus 100 further includes a pre-press processing device 300, the pre-press processing device 300 includes a pre-press stage 441, a positioning film feeding roll 33, a blanking mechanism 62, a material conveying mechanism 53 and a first pressing assembly 44, the positioning film feeding roll 33 conveys the positioning light-transmitting film 15 to the blanking mechanism 62, the blanking mechanism 62 cuts the positioning light-transmitting film 15 into a positioning film 151 corresponding to the photovoltaic cell laminating unit 14, and a pin notch 152 penetrating to a corresponding edge of the positioning film 151 is provided at a position of the positioning film 151 corresponding to the pin welding point 111; the material conveying mechanism 53 conveys the photovoltaic cell 11 to the pre-pressing stage 441, conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing stage 441, and makes the photovoltaic cell 11 and the pre-pressing stage 441 aligned and stacked, the first pressing component 44 cooperates with the pre-pressing stage 441 to press the positioning film 151 and the photovoltaic cell 11 together to form a pre-pressing piece 16 (as shown in fig. 2 b), and the suction cup conveying mechanism 51 conveys the pre-pressing piece 16 to the second position 22.
Referring to fig. 8, a plurality of deviation rectifying devices are provided on the conveying path of the positioning light-transmitting film 15 to prevent the positioning light-transmitting film 15 from being positionally shifted during the conveying process.
Referring to fig. 4 and 6, the second pressing member 42 presses the pre-pressing member 16 onto the lower light-transmitting film 12 at the second position 22 in cooperation with the pressing stage 421. Referring to fig. 8, preferably, the second pressing component 42 is disposed on the suction cup component of the suction cup conveying mechanism 51, and when the suction cup conveying mechanism 51 releases the pre-pressing component 16 on the lower transparent film 12, several pressing blocks of the second pressing component pass through holes on a board where the suction cup component of the suction cup conveying mechanism 51 is located and press the pre-pressing component 16 on the lower transparent film 12 at the second position 22. To facilitate the press fit, a heating block is provided on the press table 421 or the second press assembly 42 to achieve the heat press.
Preferably, the first pressing assembly 44 is disposed on the suction cup assembly of the material conveying mechanism 53 for conveying the positioning membrane 151, and when the material conveying mechanism 53 releases the positioning membrane 151 on the pre-pressing table 441, several pressing blocks of the first pressing assembly 44 pass through the through holes on the board where the suction cup assembly of the positioning membrane 151 is disposed and press the positioning membrane 151 onto the photovoltaic cell 11 at the pre-pressing table 441 by the material conveying mechanism 53. To facilitate the press fit, a heating block is provided on the pre-press stage 441 or the first press assembly 44 to achieve the heat press fit.
Referring to fig. 6, the material conveying mechanism 53 conveys the photovoltaic cell 11 to the pre-pressing stage 441, and conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing stage 441 and covers the photovoltaic cell 11.
Referring to fig. 7 and 11, the photovoltaic cell laminating apparatus 100 further comprises an upper tray 30 carrying the photovoltaic cells 11, and the suction cup conveying mechanism 51 conveys the photovoltaic cells 11 in the upper tray 30 directly onto the lower light-transmitting film 12 of the second position 22 when the production in fig. 1a and 1b is performed. When the production of fig. 2a and 2b is carried out, the material conveying mechanism 53 conveys the photovoltaic cells 11 from the loading tray 30 to the pre-press 441.
In this embodiment, the loading tray 30 includes a carrying plate rotating around a vertical rotation shaft, and two carrying grooves formed on two sides of the carrying plate opposite to the rotation shaft, and the loading tray 30 is driven by a driving mechanism to rotate 180 degrees, so that the two carrying grooves can be switched between a loading position and a material taking position respectively. During feeding, the sucker conveying mechanism 51 or the material conveying mechanism 53 grabs the photovoltaic cells from the bearing groove of the material taking position, a new photovoltaic cell is placed in the bearing groove of the material taking position through the external material discharging mechanism, and then the feeding disc 30 rotates 180 degrees under the driving of the driving mechanism, so that the bearing groove loaded with the new photovoltaic cell moves to the material taking position, and the bearing groove unloaded with the photovoltaic cell moves to the material taking position.
Referring to fig. 9 and 11, the material conveying mechanism 53 further includes a first conveying assembly 531, a second conveying assembly 532, and a third conveying assembly 533, where the first conveying assembly 531 and the second conveying assembly 532 are both mounted on a first linear rail 541, the first conveying assembly 531 conveys the photovoltaic cell 11 from the feeding tray 30 to the pre-pressing stage 441 of the pressing station 26, the second conveying assembly 532 conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing stage 441 of the pressing station 26, the third conveying assembly 533 is mounted on a second linear rail 542 parallel to the first linear rail 541, the third conveying assembly 533 is connected to the pre-pressing stage 441 and drives the pre-pressing stage 411 to move along the second linear rail 542 to the pressing station 26 and the discharging station 27, and the suction cup conveying mechanism 51 is mounted on a third linear rail 543 and conveys the pre-pressing piece 16 from the pre-pressing stage 441 of the discharging station 27 to the second position 22. The pre-pressing table 441 is further provided with a suction cup for sucking the photovoltaic cells 11.
In operation, the third conveying assembly 533 drives the pre-pressing stage 411 to move along the second linear sliding rail 542 to the pressing station 26, the first conveying assembly 531 conveys the photovoltaic cell 11 from the feeding tray 30 to the pre-pressing stage 441 of the pressing station 26, the suction cup on the pre-pressing stage 441 sucks the photovoltaic cell 11, the first conveying assembly 531 leaves, the second conveying assembly 532 conveys the positioning film 151 from the blanking mechanism 62 to the pre-pressing stage 441 of the pressing station 26, and the upper surface of the positioning film 151 is pressed down by the first pressing assembly 44, so that the lower surface of the positioning film 151 and the photovoltaic cell 11 are correspondingly pressed together to form the pre-pressing piece 16. Then, the suction cup of the third conveying assembly 533 moves to the pre-pressing stage 411 and sucks the pre-pressing member 16, the suction cup on the pre-pressing stage 411 releases the pre-pressing member 16, the third conveying assembly 533 drives the pre-pressing stage 411 to move along the second linear sliding rail 542 to the unloading station 27, the suction cup conveying mechanism 51 conveys the pre-pressing member 16 from the pre-pressing stage 441 of the unloading station 27 to the second position 22, and the pre-pressing member 16 is pressed onto the lower transparent film 12 by the second pressing assembly 42.
Referring to fig. 11, in order to improve efficiency, in this embodiment, the third linear rail 543 is disposed along a direction perpendicular to the second linear rail 542, and the pre-pressing device 300 has two pre-pressing devices respectively symmetrically disposed on two sides of the third linear rail 543, the two pre-pressing devices 300 share a third conveying assembly 533, the pre-pressing stages 441 of the two pre-pressing devices 300 are respectively disposed on a mounting plate, and the distance between the two pre-pressing stages 441 is equal to the distance between the discharging station 27 and the pressing station 26, so that when any one pre-pressing stage 441 is in the discharging station, the other pre-pressing stage 441 is in the pressing station. The suction cup conveying mechanism 51 respectively completes the placement of the photovoltaic cell 11, the placement of the positioning membrane 151 and the pressing of the photovoltaic cell 11 and the positioning membrane 151 from one pre-pressing table 441 at the unloading station 27, and the first conveying component 531, the second conveying component 532 and the first pressing component 44, and vice versa, so that one loading and one unloading of the two pre-pressing tables 441 are realized. The pre-pressing table 411 may be further driven by the third conveying assembly 533 to move up and down along a vertically disposed linear track.
Referring to fig. 10, the blanking mechanism 62 includes an upper die 622, a lower die 621, and a driving portion 623, a through hole 6221 corresponding to the positioning film 151 is penetratingly formed in the upper die 622, a punch block 6211 matching with the through hole 6221 is formed in the lower die 621, a channel for the positioning light-transmitting film 15 to pass through is formed between the upper die 622 and the lower die 621, and the driving portion 623 drives the punch block to rise to punch the positioning light-transmitting film 15 to form the positioning film 151 located on the upper surface of the punch block 6211 in cooperation with the edge of the through hole.
The upper transparent film 13 may be a single layer or a plurality of layers, and when the upper transparent film 13 is a plurality of layers, the corresponding second film feeding rolls 32 have a plurality of layers, and respectively convey the upper transparent film 13 to the conveying belt 60 in sequence. Of course, the second film feeding roll 32 may sequentially convey the upper transparent films 13 onto the auxiliary material tapes, then press the upper transparent films 13 together by a pressing mechanism, and then convey the upper transparent films to the third position 23.
The lower transparent film 12 may be a single layer or a plurality of layers, and when the lower transparent film 12 is a plurality of layers, the corresponding first film feeding rolls 31 have a plurality of first film feeding rolls, and respectively convey the lower transparent film 12 onto the conveying belt 60 in sequence. Of course, the first film feeding roll 31 may sequentially convey the lower transparent films 12 onto the auxiliary material tapes, then press the lower transparent films 12 together by a pressing mechanism, and then convey the lower transparent films to the first position 21. Referring to fig. 5 and 6, unlike the fourth embodiment of the present invention, in the fifth embodiment of the present invention, it can be seen that the lower light-transmitting film 12 has four layers, and the first film feeding roll 31 includes a first roll 311, a second roll 312, a third roll 313, and a fourth roll 314, which sequentially feed the four layers of lower light-transmitting film 12 onto the auxiliary material tape 50, then press-fit together by the pressing mechanism 41, and then fed to the first position 21.
Referring to fig. 13, in a sixth embodiment of the present invention, unlike the fourth and fifth embodiments, the suction cup conveying mechanism 53' includes a fourth conveying assembly 55 and a turning assembly 56, the pre-pressing table 411 is formed on the upper surface of the punch block 6211, the fourth conveying assembly 55 conveys the photovoltaic cell 11 to the upper surface of the punch block 6211 and is disposed on the positioning film 11, the turning assembly 56 includes a turning suction cup 562 that rotates around a first rotation axis 561 disposed horizontally and a rotation driving part (not shown) connected to the turning suction cup 562, and the rotation driving part drives the turning suction cup 562 to reciprocate around the first rotation axis 561 so that the turning suction cup 561 turns between the first station 28 and the second station 29, the suction nozzle of the turning suction cup 561 faces downward at the first station 28, and the suction nozzle faces upward at the second station 29, and the first station 28 is disposed at the upper surface (pre-pressing table 411) of the punch block 6211.
The first rotating shaft 561 is located at a side portion of the turning sucker 562, the turning driving part drives the turning sucker 562 to reciprocally rotate around the first rotating shaft 561 to enable the turning sucker 562 to move at two opposite sides of the first rotating shaft 561, and the first station 28 and the second station 29 are located at two opposite sides of the first rotating shaft 561, respectively.
With continued reference to fig. 12 to 14, the suction cup conveying mechanism 51' includes a conveying plate 512 rotating around a vertical second rotating shaft 511, a material taking suction cup 513 mounted on the conveying plate 512, and a rotation driving part 514 driving the conveying plate 512 to rotate around the second rotating shaft 511, where the rotation driving part drives the conveying plate 512 to rotate around the second rotating shaft 511 so that the material taking suction cup moves between the second station 29 and the second position 22, and the material taking suction cup 513 is opposite to the surface of the turnover suction cup 562 where the suction nozzle is located when the material taking suction cup is located at the second station 29.
The suction cup conveying mechanism 51' further includes a lifting driving member 515 for driving the conveying plate 512 to move in a vertical direction.
Referring to fig. 12 to 14, in order to improve efficiency, in this embodiment, the pre-press working device has two symmetrical suction cup conveying mechanisms 51' respectively, and one suction cup 513 on the conveying plate 512 is fed when the other suction cup 513 is discharged.
With continued reference to fig. 12 to 14, in operation, the blanking mechanism 62 blanking the positioning transparent film 15 in the channel into the positioning film 151, at this time, the positioning film 151 is located on the upper surface of the punch block 6211, the fourth conveying component 55 conveys the photovoltaic cell 11 from the storage rack 30' storing the photovoltaic cell 11 to the upper surface of the punch block 6211 and is disposed on the positioning film 11, as in the third embodiment, the first pressing component 44 is disposed on the fourth conveying component 55, when the fourth conveying component 55 places the photovoltaic cell 11 on the upper surface of the punch block 6211, the photovoltaic cell 11 is pressed down to form the pre-pressing piece 16, then the fourth conveying component 55 leaves the upper surface of the punch block 6211, the turning driving component carries the turning sucker 562 to turn over to the upper surface (first station) of the punch block 6211 around the first rotation shaft 561 and the suction nozzle down, the turning sucker 562 sucks the pre-pressing piece 16 on the upper surface of the punch block 6211 around the first rotation shaft 561 to the second station 29, the turning driving component 512 drives the conveying board to rotate around the second rotation shaft 511 to rotate the second position roll-pressing piece 512, and the feeding sucker roll-off the pre-pressing piece 16 around the second rotation shaft 512 to the second rotation shaft 512, and the feeding sucker roll-off the pre-pressing piece 16 is driven to the second position roll-pressing piece 512 to the second position roll-pressing piece 16 around the second rotation shaft 512 to the upper rotation shaft 512.
Of course, in another embodiment, the pre-press 16 may be conveyed directly by a conveying assembly to a flipping assembly, by which the pre-press 16 is flipped 180 degrees, and then the flipped pre-press 16 is conveyed to the second position 22 by the material conveying mechanism of the above embodiment.
All the pressing in the invention can be hot pressing.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (3)
1. The method for splicing and assembling the photovoltaic cell component is characterized in that pin welding spots are arranged on the front side and the rear side of the upper surface of the photovoltaic cell, and the method is characterized in that: the method comprises the following steps:
(1) Arranging a plurality of photovoltaic cells along the length direction of a lower light-transmitting film at preset intervals and pressing the photovoltaic cells between the upper light-transmitting film and the lower light-transmitting film to form a pressing piece;
(2) Cutting off the pressing piece from a position between two adjacent photovoltaic cells along the length direction of the lower light-transmitting film so as to obtain independent photovoltaic cell film-coating monomers;
(3) Cutting an upper light-transmitting film covered on the upper surface of the photovoltaic cell covering film monomer by a preset distance along the left side edge and the right side edge of the position where the pin welding point is located, and lifting the cut upper light-transmitting film upwards to expose the pin welding point;
(4) Using a strip to weld on pin welding spots of a plurality of photovoltaic cells so as to connect the photovoltaic cells together to form a photovoltaic cell group;
(5) And pressing the lifted upper light-transmitting film downwards on the photovoltaic cell and the lower light-transmitting film.
2. The method of splice assembling a photovoltaic cell assembly of claim 1, wherein: in the step (1), the front side and the rear side of the photovoltaic cells are arranged along the length direction of the lower transparent film, and each photovoltaic cell is pressed at the same preset position in the width direction of the lower transparent film.
3. The method of splice assembling a photovoltaic cell assembly of claim 1, wherein: the step (1) further comprises the following steps: (a) Cutting the positioning light-transmitting film into positioning films corresponding to the photovoltaic cell film-covering monomers, wherein a pin notch penetrating to the corresponding edge of each positioning film is formed in the position, corresponding to each pin welding point, of each positioning film; (b) Pressing the positioning membrane on a corresponding position on the upper surface of the photovoltaic cell to manufacture a pre-pressing piece, wherein the pin welding spots are arranged at the pin gaps; the step (1) specifically comprises the following steps: and pressing the pre-pressing piece between the upper light-transmitting film and the lower light-transmitting film along a preset position to form a pressing piece.
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| CN113218760B (en) * | 2021-05-12 | 2024-05-31 | 江西迪比科股份有限公司 | Welding spot tension test method for power cap of edge-covering structure |
| CN114899259A (en) * | 2022-01-24 | 2022-08-12 | 弗斯迈智能科技(江苏)有限公司 | Accurate tectorial membrane device of perovskite photovoltaic module |
| CN118016743B (en) * | 2024-04-09 | 2024-07-02 | 苏州小牛自动化设备有限公司 | Manufacturing method of battery assembly |
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