CN114864726B - Method for manufacturing laminated tile assembly - Google Patents
Method for manufacturing laminated tile assembly Download PDFInfo
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- CN114864726B CN114864726B CN202210785372.4A CN202210785372A CN114864726B CN 114864726 B CN114864726 B CN 114864726B CN 202210785372 A CN202210785372 A CN 202210785372A CN 114864726 B CN114864726 B CN 114864726B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 90
- 239000002184 metal Substances 0.000 claims abstract description 78
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims abstract description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 23
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 23
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 23
- 239000002313 adhesive film Substances 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 5
- 238000003475 lamination Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 3
- 238000005401 electroluminescence Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005424 photoluminescence Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001373 regressive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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
- H01L31/043—Mechanically stacked 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
- H01L31/04—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
- H01L31/044—PV modules or arrays of single PV cells including bypass diodes
-
- 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
-
- 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
Abstract
The invention belongs to the technical field of photovoltaics, and particularly relates to a method for manufacturing a laminated assembly, which comprises the following steps of S1, coating non-conductive isolation materials on the peripheral edges of a first battery piece and a second battery piece, and then drying; s2, after drying, arranging the first battery piece and the second battery piece at intervals, then welding the first battery piece in series through a welding strip, and welding the second battery piece in series through another welding strip to finally form a battery string, so that the polarities of electrodes reserved at the same end of the two battery pieces after series welding are opposite; according to the invention, the first elastic metal sheet, the second elastic metal sheet, the third elastic metal sheet, the first battery sheet in series connection, the second battery sheet in series connection and the like are matched with each other, so that the manufactured photovoltaic panel can adjust series-parallel connection between the first battery sheet and the second battery sheet in the same battery string.
Description
Technical Field
The invention belongs to the technical field of photovoltaics, and particularly relates to a method for manufacturing a laminated assembly.
Background
Photovoltaic (PV or photovoltaic) is a short term for solar photovoltaic power generation systems, and is a novel power generation system which directly converts solar radiation energy into electric energy by using the photovoltaic effect of a solar cell semiconductor material. Photovoltaic technology has many advantages: such as without any mechanical moving parts; except sunshine, the solar energy collector can work under the conditions of direct sunlight and oblique sunlight without any other 'fuel'; meanwhile, the solar component does not need maintenance, and the operation cost is minimized.
The electric connection form between the cell strings of the photovoltaic solar panel cells of the existing shingle assembly cannot be adjusted in real time according to requirements, so that a specific photovoltaic cell panel needs to be specially customized, but different manufacturing methods are needed for manufacturing different photovoltaic cell panels, and the production efficiency is low.
Disclosure of Invention
The invention provides a laminated assembly for solving the problems in the background technology, which comprises a first battery piece, a second battery piece and an outer frame, wherein the first battery piece and the second battery piece are structurally connected in series and overlapped end to form a battery string, but are not electrically connected; the head and the tail of the first battery piece are electrically connected through a welding strip to form a first battery string, the head and the tail of the second battery piece are electrically connected through a welding strip to form a second battery string, and the polarity of electrodes reserved at two ends of the first battery string is opposite to that of electrodes reserved at two ends of the second battery string; the positive electrode in the first battery piece and the second battery piece reserved electrode is welded with a first elastic metal piece through a welding strip, the negative electrode in the first battery piece and the second battery piece reserved electrode is welded with a second elastic metal piece through a welding strip, a third elastic metal piece is hinged to the second elastic metal piece, the top of the end, away from the welding strip, of the third elastic metal piece is connected with a first conducting piece and a second conducting piece through a non-conducting glue, the second conducting piece is located on the outer side of the first conducting piece, the top of the first conducting piece is connected with a negative pole line, the third elastic metal piece is connected with the first conducting piece through a welding strip, and at least two groups of diodes with the same current direction are welded between the first conducting piece and the second conducting piece.
The invention has at least the following beneficial effects:
1. according to the invention, the first elastic metal sheet, the second elastic metal sheet, the third elastic metal sheet, the first battery piece connected in series, the second battery piece connected in series and the like are matched with each other, so that the series-parallel relation between the first battery piece and the second battery piece in the same battery string in the manufactured photovoltaic panel is adjustable.
2. According to the invention, through the mutual matching of the first elastic metal sheet, the second elastic metal sheet, the third elastic metal sheet, the first battery sheet connected in series, the second battery sheet connected in series and the like, the manufactured photovoltaic panel can adjust the series-parallel relation between adjacent battery strings, so that the internal circuit of the photovoltaic panel can be adjusted according to different requirements.
3. According to the invention, through the mutual matching of the first elastic metal sheet, the second elastic metal sheet, the third elastic metal sheet, the diode and the like, because of the difference of single battery sheets under a series structure, reverse current is easy to generate to increase the influence on the assembly, so that the heat spot effect is generated to damage the assembly and even influence the operation of the whole photovoltaic system, through the arrangement of the diode, when the first battery sheet and the second battery sheet are connected in series, the generated reverse current in the battery string can not pass through the diode, so that the first battery sheet or the second battery sheet which are connected in series is protected, and meanwhile, when the battery strings are connected in series, the battery strings are protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a battery string according to the present invention;
FIG. 3 is a schematic view of a connection structure between a first battery cell and a second battery cell according to the present invention;
FIG. 4 is another perspective view of the structure of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the connection structure of the first elastic metal sheet and the second elastic metal sheet according to the present invention;
FIG. 6 is a cross-sectional view of the outer frame structure of the present invention;
FIG. 7 is another angular cross-sectional view of the outer frame of the present invention;
fig. 8 is an enlarged schematic view of a connection structure of the first elastic metal sheet and the second elastic metal sheet according to the present invention.
In the figure: 1. a first cell sheet; 2. a second cell type; 3. welding a strip; 4. a battery string; 5. a first elastic metal sheet; 6. a second elastic metal sheet; 7. a third elastic metal sheet; 8. a first conductive sheet; 9. a second conductive sheet; 10. a diode; 11. an electromagnet; 12. an outer frame; 121. a groove; 122. a first regressive groove; 123. and a second returning groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The first battery piece 1 and the second battery piece 2 are identical in structure and respectively comprise a base piece, a first lap joint part is arranged on one side of the back face of the base piece, and a second lap joint part is arranged on one side, far away from the first lap joint part, of the front face of the base piece; the second lap joint part of the first battery plate 1 is lapped with the first lap joint part of the second battery plate 2, and the second lap joint part of the second battery plate 2 is lapped with the first lap joint part of the first battery plate 1 to form a battery string 4; according to the invention, the overlapping parts are arranged, and the adjacent battery pieces are not required to be overlapped along the thickness direction to realize electric connection, so that the condition that the battery pieces are hidden or broken in the later-stage lamination packaging process due to different heights of the battery pieces caused by overlapping is avoided.
The welding strip 3 is an elastic welding strip, and an insulating layer is coated in the middle of the welding strip 3; according to the invention, the welding strip 3 is set to be elastic, so that the situation that the welding strip 3 deforms to cause string breakage is avoided; the middle of the welding strip 3 is coated with an insulating layer, so that the welding strip 3 which is connected with the first battery piece 1 in series is prevented from being electrically connected with the second battery piece 2; meanwhile, the welding strips 3 of the second battery piece 1 in series connection are prevented from being electrically connected with the first battery piece 2.
An electromagnet 11 for adjusting the position of the third elastic metal sheet 7 is arranged in the outer frame 12, and the electromagnet 11 is driven by a driving motor; according to the invention, by arranging the electromagnet 11 and controlling the electromagnet 11 to be electrified, on one hand, the electromagnet 11 attracts the third elastic metal sheet 7, on the other hand, under the magnetic attraction of the electromagnet 11, the first elastic metal sheet 5 is disconnected from the positive electrode wire, meanwhile, the driving motor is controlled to be started, so that the driving motor rotates and is meshed with the toothed plate, and under the reaction force, the driving motor drives the sliding plate to slide along the second returning groove 123, so that the third elastic metal sheet 7 is driven to rotate, and the second conducting strip 9 on the third elastic metal sheet 7 electrically connected with the negative electrode is electrically connected with the first elastic metal sheet 5 connected with the positive electrode on the adjacent battery string 4, so that the adjacent battery strings 4 are electrically connected in series.
The outer frame 12 comprises a groove 121 for accommodating the photovoltaic panel, a first returning groove 122 and a second returning groove 123 for accommodating the driving motor are arranged below the groove 121, the first returning groove 122 and the second returning groove 123 are communicated with each other, a toothed plate is arranged in the second returning groove 123, and a gear meshed with the toothed plate is arranged on an output shaft of the driving motor; the driving motor is connected with the second returning groove 123 in a sliding mode through a sliding plate and is connected with the electromagnet 11 through a connecting shaft; according to the invention, the driving motor is arranged and started, so that the gear and the toothed plate are driven by the driving motor to drive the electromagnet 11 to slide along the second returning groove 123 under the action of the gear.
When the battery is used, firstly, non-conductive isolating materials are coated on the peripheral edges of the first battery piece 1 and the second battery piece 2, and the non-conductive isolating materials are coated on the periphery of the battery pieces, so that the overlapping parts of the first battery piece 1 and the second battery piece 2 are prevented from being directly connected electrically when being overlapped, and an electric connection structure which is only formed by connecting the first battery piece 1 in series and connecting the second battery piece 2 in series and is required by the invention cannot be formed; then drying is carried out; after drying, arranging the first battery plate 1 and the second battery plate 2 at intervals, welding the first battery plate 1 in series through a welding strip 3, and welding the second battery plate 2 in series through another welding strip 3 to finally form a battery string 4, wherein the polarities of electrodes reserved at the same ends of the two battery plates after series welding are opposite, specifically, the welding strip 3 with an insulating layer in the middle is welded on the front electrode of the first battery plate 1, then a nonconductive adhesive is coated on the lap joint part of the first battery plate 1, then the lap joint part of the second battery plate 2 is bonded with the lap joint part of the first battery plate 1, and the welding strip 3 connected with the first battery plate 1 is pressed between the lap joint part of the first battery plate 1 and the lap joint part of the second battery plate 2; then another welding strip 3 with an insulating layer in the middle is welded on the back surface of the second battery plate 2, then a non-conductive adhesive is coated on the overlapping part at the other end of the second battery plate 2, then the overlapping part of the next first battery plate 1 is bonded with the overlapping part at the other end of the second battery plate 2, and the welding strip 3 connected with the second battery plate 2 is pressed between the overlapping part of the first battery plate 1 and the overlapping part of the second battery plate 2; then, welding the other end of the welding strip 3 electrically connected with the previous first battery piece 1 with the back electrode of the next first battery piece 1; by repeating the above-described process, the manufacturing of the battery string 4 can be completed; welding strips 3 capable of exposing the back plate and the outer part of the glass plate are respectively welded at two ends of electrodes reserved by the two battery pieces; through the electrical connection, the series connection of the first battery piece 1 and the series connection of the second battery piece 2 are realized, and the welding strips 3 are welded at the two ends of the two battery pieces after the series connection so as to be convenient for the subsequent connection of the elastic metal pieces; then, sequentially placing a plurality of battery strings 4 on a back plate with an EVA (ethylene vinyl acetate) adhesive film at the top along the width direction of the battery strings 4, and then placing the EVA adhesive film and a glass plate on the battery strings 4; specifically, a layer of EVA adhesive film is laid on the top of a back plate through laminating equipment; laying a plurality of battery strings 4 on the top of the EVA adhesive film along the width direction of the battery strings 4; laying a layer of EVA adhesive film again on the tops of the plurality of battery strings 4; then laying a layer of glass plate on the top of the EVA adhesive film; before lamination, performing defect detection on a to-be-laminated piece by adopting EL electroluminescence or PL photoluminescence, packaging a back plate and a glass plate into a whole by using lamination equipment, welding a first elastic metal sheet 5 electrically connected with a positive electrode wire on a welding strip 3 connected with a positive electrode of a battery piece, and welding a second elastic metal sheet 6 on the welding strip 3 connected with a negative electrode of the battery piece; the second elastic metal sheet 6 is hinged with a third elastic metal sheet 7, the top of one end, far away from the welding strip 3, of the third elastic metal sheet 7 is connected with a first conducting sheet 8 and a second conducting sheet 9 through non-conducting glue, the second conducting sheet 9 is positioned on the outer side of the first conducting sheet 8, the top of the first conducting sheet 8 is connected with a negative wire, the third elastic metal sheet 7 is electrically connected with the first conducting sheet 8 through the welding strip 3, and at least two groups of diodes 10 with the same current direction are welded between the first conducting sheet 8 and the second conducting sheet 9; bonding a positive electrode wire and a negative electrode wire on the side wall of the glass plate, butting the prepared photovoltaic plate with an outer frame 12 with an electromagnet 11 inside, and sealing glue is applied to a butting gap between the photovoltaic plate and the outer frame 12; the manufacture of the photovoltaic panel can be completed.
According to the invention, the first elastic metal sheet 5, the second elastic metal sheet 6, the third elastic metal sheet 7, the first battery piece 1 connected in series, the second battery piece 2 connected in series and the like are matched with each other, so that on the one hand, the manufactured photovoltaic panel can be provided with a function of adjusting the series or parallel relation between the first battery piece 1 and the second battery piece 2 in the same battery string 4; in a second aspect, the manufactured photovoltaic panel can be provided with a series-parallel connection relation between adjacent battery strings 4, so that the internal circuit of the photovoltaic panel can be adjusted according to different requirements; in a third aspect, due to the difference of the single battery plates in the series structure, the influence of reverse current generated easily on the assembly is increased, so that a hot spot effect is generated to damage the assembly and even influence the operation of the whole photovoltaic system, by arranging the diode 10, when the first battery plate 1 and the second battery plate 2 are connected in series, the reverse current generated in the battery string 4 cannot pass through the diode 10, so that the first battery plate 1 or the second battery plate 2 connected in series is protected, and meanwhile, when the battery strings 4 are connected in series, the battery strings 4 are protected.
After manufacturing, when the first battery piece 1 and the second battery piece 2 in a single battery string 4 need to be adjusted to be connected in series, the electromagnet 11 is powered on by controlling one end of the battery string 4 to generate magnetic attraction, the first conducting piece 8 is disconnected with the negative pole under the action of the magnetic attraction, meanwhile, the first elastic metal piece 5 is disconnected with the positive pole, then the driving motor is controlled to start, the driving motor drives the electromagnet 11 to slide along the first returning groove 122, the electromagnet 11 slides and drives the third elastic metal piece 7 to rotate, the second conducting piece 9 is electrically connected with the first elastic metal piece 5 of the same battery string 4, and therefore the second conducting piece 9 connected with the negative pole of the second battery piece 2 is electrically connected with the first elastic metal piece 5 connected with the positive pole of the first battery piece 1, and the first battery piece 1 and the second battery piece 2 which are connected in series are accordingly connected.
When the electric connection between the battery strings 4 needs to be adjusted to be series connection, firstly, the first battery piece 1 and the second battery piece 2 in a single battery string 4 are adjusted to be series connection, then, because the first elastic metal piece 5 and the third elastic metal piece 7 at the other end of the single battery string 4 keep initial positions, namely, the first elastic metal piece 5 is electrically connected with a positive line of a power supply, the third elastic metal piece 7 is connected with a negative line of the power supply through a first conducting piece 8, at the moment, the other end of the single battery string 4 is in parallel connection, then, the electromagnet 11 at the other end of the single battery string 4 is controlled to be electrified, under the action of magnetic attraction, the first elastic metal piece 5 is disconnected with the positive line, the first conducting piece 8 on the third elastic metal piece 7 is disconnected with the negative line, then, the driving motor is controlled to be started, the driving motor drives the electromagnet 11 to slide along the first return groove 122, the electromagnet 11 slides and drives the third elastic metal piece 7 to rotate, and the second conductive sheet 9 is electrically connected to the adjacent first elastic metal sheet 5, thereby forming a series connection between the adjacent cell strings 4.
Example 2 the invention also provides a method of manufacturing a stack assembly, comprising the following detailed steps:
s1, coating non-conductive isolation materials on the peripheral edges of the first battery piece 1 and the second battery piece 2, and then drying;
s2, after drying, arranging the first battery piece 1 and the second battery piece 2 at intervals, then serially welding the first battery piece 1 through the welding strip 3, and serially welding the second battery piece 2 through the other welding strip 3 to finally form a battery string 4, so that the polarities of electrodes reserved at the same end of the two battery pieces after serial welding are opposite;
s21, welding a welding strip 3 with an insulating layer in the middle part on the front electrode welding of the first battery plate 1, then coating a non-conductive adhesive on the lap joint part of the first battery plate 1, then bonding the lap joint part of the second battery plate 2 with the lap joint part of the first battery plate 1, and pressing the welding strip 3 connected with the first battery plate 1 between the lap joint part of the first battery plate 1 and the lap joint part of the second battery plate 2;
s22, welding a welding strip 3 with an insulating layer in the middle on the back of the second battery plate 2, smearing a non-conductive adhesive on the overlapping part at the other end of the second battery plate 2, then adhering the overlapping part of the next first battery plate 1 with the overlapping part at the other end of the second battery plate 2, and pressing the welding strip 3 connected with the second battery plate 2 between the overlapping part of the first battery plate 1 and the overlapping part of the second battery plate 2;
s23, welding the other end of the welding strip 3 electrically connected with the previous first battery piece 1 with the back electrode of the next first battery piece 1;
s24, the manufacturing of the battery string 4 may be completed by repeating the steps S21-S23;
s3, welding strips 3 which can expose the back plate and the outer part of the glass plate are respectively welded at two ends of the electrodes reserved on the two battery pieces;
s4, sequentially placing a plurality of battery strings 4 on a back plate with an EVA (ethylene vinyl acetate) adhesive film at the top along the width direction of the battery strings 4, and then placing the EVA adhesive film and a glass plate on the battery strings 4; s41, paving a layer of EVA (ethylene vinyl acetate) adhesive film on the top of the back plate through laminating equipment;
s42, paving a plurality of battery strings 4 on the top of the EVA adhesive film along the width direction of the battery strings 4;
s43, paving a layer of EVA adhesive film on the tops of the battery strings 4 again;
s44, laying a layer of glass plate on the top of the EVA adhesive film;
s5, packaging the back plate and the glass plate into a whole through laminating equipment, welding a first elastic metal sheet 5 on a welding strip 3 connected with the positive electrode of the battery piece, and welding a second elastic metal sheet 6 on the welding strip 3 connected with the negative electrode of the battery piece;
s6, a third elastic metal sheet 7 is hinged to the second elastic metal sheet 6, the top of one end, far away from the welding strip 3, of the third elastic metal sheet 7 is connected with a first conducting sheet 8 and a second conducting sheet 9 through non-conducting glue, the second conducting sheet 9 is located on the outer side of the first conducting sheet 8, the top of the first conducting sheet 8 is connected with a negative wire, the third elastic metal sheet 7 is electrically connected with the first conducting sheet 8 through the welding strip 3, and at least two groups of diodes 10 with the same current direction are welded between the first conducting sheet 8 and the second conducting sheet 9;
and S7, butting the photovoltaic panel prepared in the step S6 with the outer frame 12, and meanwhile, sealing glue is applied to the butting gap between the photovoltaic panel and the outer frame 12.
The method further comprises detecting defects in the laminate to be laminated using EL electroluminescence or PL photoluminescence prior to lamination.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A laminated assembly comprises a first battery piece, a second battery piece and an outer frame, and is characterized in that the first battery piece and the second battery piece are structurally connected in series and overlapped end to form a battery string, but are not electrically connected; the head and the tail of the first battery piece are electrically connected through a welding strip to form a first battery string, the head and the tail of the second battery piece are electrically connected through a welding strip to form a second battery string, and the polarity of electrodes reserved at two ends of the first battery string is opposite to that of electrodes reserved at two ends of the second battery string; the positive electrode in the first battery piece and the second battery piece reserved electrode is welded with a first elastic metal piece through a welding strip, the negative electrode in the first battery piece and the second battery piece reserved electrode is welded with a second elastic metal piece through a welding strip, a third elastic metal piece is hinged to the second elastic metal piece, the top of one end, away from the welding strip, of the third elastic metal piece is connected with a first conducting piece and a second conducting piece through a non-conducting glue, the second conducting piece is located on the outer side of the first conducting piece, the top of the first conducting piece is connected with a negative wire, the third elastic metal piece is connected with the first conducting piece through a welding strip, and at least two groups of diodes with the same current direction are welded between the first conducting piece and the second conducting piece;
an electromagnet for adjusting the position of the third elastic metal sheet is arranged in the outer frame and is driven by a driving motor;
the outline is including offering the recess that holds the photovoltaic board, the recess below is equipped with the first time type groove that makes the electro-magnet gliding and the second time type groove that holds driving motor, first time type groove and second time type groove communicate each other, the second time type inslot is equipped with the pinion rack, be equipped with the gear with pinion rack meshing on the driving motor output shaft, driving motor passes through slide and second time type groove sliding connection, driving motor passes through the connecting axle and is connected with the electro-magnet.
2. The stack assembly of claim 1, wherein the first cell sheet and the second cell sheet are identical in structure and each comprises a base sheet, a first overlapping portion is arranged on one side of the back surface of the base sheet, and a second overlapping portion is arranged on one side of the front surface of the base sheet away from the first overlapping portion; the second lap joint part of the first battery plate is lapped with the first lap joint part of the second battery plate, and the second lap joint part of the second battery plate is lapped with the first lap joint part of the first battery plate to form a battery string.
3. A shingle assembly according to claim 1 wherein said weld strips are resilient and have an insulating layer applied to the middle of said weld strips.
4. A method of manufacturing a stack assembly, for manufacturing a stack assembly according to any of claims 1-3, the method comprising the steps of:
s1, coating non-conductive isolation materials on the peripheral edges of the first battery piece and the second battery piece, and then drying;
s2, after drying, arranging the first battery piece and the second battery piece at intervals, then welding the first battery piece in series through the welding strip, and welding the second battery piece in series through the other welding strip to finally form a battery string, so that the polarities of electrodes reserved at the same end of the two battery pieces after series welding are opposite;
s3, welding strips capable of exposing the back plate and the outer part of the glass plate are respectively welded at two ends of electrodes reserved in the two battery pieces;
s4, sequentially placing a plurality of battery strings on a back plate with an EVA (ethylene vinyl acetate) adhesive film at the top along the width direction of the battery strings, and then placing the EVA adhesive film and a glass plate on the battery strings;
s5, packaging the back plate and the glass plate into a whole through laminating equipment, then welding a first elastic metal sheet on the welding strip connected with the positive electrode of the battery piece, and welding a second elastic metal sheet on the welding strip connected with the negative electrode of the battery piece;
s6, a third elastic metal sheet is hinged to the second elastic metal sheet, the top of one end, far away from the welding strip, of the third elastic metal sheet is connected with a first conductive sheet and a second conductive sheet through a non-conductive adhesive, the second conductive sheet is located on the outer side of the first conductive sheet, the top of the first conductive sheet is connected with a negative wire, the third elastic metal sheet is electrically connected with the first conductive sheet through the welding strip, and at least two groups of diodes with the same current direction are welded between the first conductive sheet and the second conductive sheet.
5. The method of manufacturing a shingle assembly according to claim 4, further comprising step S7;
and S7, butting the photovoltaic panel prepared in the step S6 with the outer frame, and meanwhile, sealing glue is applied to a butting gap between the photovoltaic panel and the outer frame.
6. The method of manufacturing a shingle assembly according to claim 4, wherein said S2 comprises:
s21, welding a welding strip with an insulating layer in the middle on the front electrode of the first battery plate, then coating a non-conductive adhesive on the lap joint part of the first battery plate, then adhering the lap joint part of the second battery plate with the lap joint part of the first battery plate, and pressing the welding strip for connecting the first battery plate between the lap joint part of the first battery plate and the lap joint part of the second battery plate;
s22, welding a welding strip with an insulating layer in the middle on the back of the second battery plate, smearing a non-conductive adhesive on the lap joint part at the other end of the second battery plate, then bonding the lap joint part of the next first battery plate with the lap joint part at the other end of the second battery plate, and pressing the welding strip for connecting the second battery plate between the lap joint part of the first battery plate and the lap joint part of the second battery plate;
s23, welding the other end of the welding strip electrically connected with the previous first battery piece with the back electrode of the next first battery piece;
s24, the manufacturing of the battery string may be completed by repeating the steps S21-S23.
7. The method of manufacturing a shingle assembly according to claim 4, wherein said S4 comprises:
s41, paving a layer of EVA (ethylene vinyl acetate) adhesive film on the top of the back plate through laminating equipment;
s42, paving a plurality of battery strings on the top of the EVA adhesive film along the width direction of the battery strings;
s43, paving a layer of EVA adhesive film on the tops of the battery strings again;
s44, laying a layer of glass plate on the top of the EVA adhesive film.
8. The method of manufacturing a shingle assembly according to claim 4, further comprising defect detection using EL electroluminescence or PL photoluminescence prior to lamination.
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| CN202210785372.4A CN114864726B (en) | 2022-07-06 | 2022-07-06 | Method for manufacturing laminated tile assembly |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4131755A (en) * | 1977-06-17 | 1978-12-26 | Motorola, Inc. | Interconnection for photovoltaic device array |
| JPS60133261A (en) * | 1983-12-19 | 1985-07-16 | Sanyo Electric Co Ltd | Solar heat collector |
| DE3708548A1 (en) * | 1987-03-17 | 1988-09-29 | Telefunken Electronic Gmbh | SOLAR CELL MODULE WITH PARALLEL AND SERIAL ARRANGED SOLAR CELLS |
| EP2587334A1 (en) * | 2011-10-24 | 2013-05-01 | Imec | Reconfigurable PV configuration |
| US9865757B2 (en) * | 2014-04-23 | 2018-01-09 | Helion Concepts, Inc. | Method for quick self interconnection of photovoltaic cell arrays and panels |
| CN106449818B (en) * | 2016-11-21 | 2017-11-28 | 泰州隆基乐叶光伏科技有限公司 | A kind of photovoltaic laminate component with bypass diode |
| CN110957977A (en) * | 2019-11-06 | 2020-04-03 | 佛山综合能源有限公司 | Novel photovoltaic module of connection is inhaled to magnetism |
| CN111710735B (en) * | 2020-06-29 | 2022-05-24 | 晶科绿能(上海)管理有限公司 | Photovoltaic cell, laminated photovoltaic module and manufacturing method of photovoltaic cell |
| CN214378470U (en) * | 2020-11-27 | 2021-10-08 | 天津爱旭太阳能科技有限公司 | Laminated tile battery string and laminated tile assembly |
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Address after: No. 43 Bailing South Road, Quzhou City, Zhejiang Province 324022 Patentee after: Yidao New Energy Technology Co.,Ltd. Address before: 324022 room 604, building 3, Donggang Third Road, green industry cluster, Qujiang District, Quzhou City, Zhejiang Province Patentee before: A New Energy Technology (Quzhou) Co.,Ltd. |
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Effective date of registration: 20231225 Address after: No. 43 Bailing South Road, Quzhou City, Zhejiang Province 324022 Patentee after: Yidao New Energy Technology Co.,Ltd. Patentee after: Zhejiang Juhe New Energy Co.,Ltd. Address before: No. 43 Bailing South Road, Quzhou City, Zhejiang Province 324022 Patentee before: Yidao New Energy Technology Co.,Ltd. |