CN114864725B - Single-crystal single-glass PERC laminated tile assembly - Google Patents
Single-crystal single-glass PERC laminated tile assembly Download PDFInfo
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- CN114864725B CN114864725B CN202210785334.9A CN202210785334A CN114864725B CN 114864725 B CN114864725 B CN 114864725B CN 202210785334 A CN202210785334 A CN 202210785334A CN 114864725 B CN114864725 B CN 114864725B
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- 239000011521 glass Substances 0.000 title claims abstract description 24
- 101001073212 Arabidopsis thaliana Peroxidase 33 Proteins 0.000 title claims abstract description 15
- 101001123325 Homo sapiens Peroxisome proliferator-activated receptor gamma coactivator 1-beta Proteins 0.000 title claims abstract description 15
- 102100028961 Peroxisome proliferator-activated receptor gamma coactivator 1-beta Human genes 0.000 title claims abstract description 15
- 239000013078 crystal Substances 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims description 70
- 238000003466 welding Methods 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 33
- 238000003475 lamination Methods 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01L31/05—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- General Physics & Mathematics (AREA)
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- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Aviation & Aerospace Engineering (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention belongs to the technical field of photovoltaics, and particularly relates to a single-crystal single-glass PERC laminated tile assembly; the battery pack comprises a plurality of main battery strings which are connected in series or in parallel, each main battery string comprises two battery pieces alternately arranged at intervals, the two battery pieces comprise bodies, reserved parts are arranged on the bodies, the reserved parts of the two battery pieces are symmetrically arranged, each reserved part comprises a first reserved part arranged on one side wall of the front surface of each body and a second reserved part arranged on the back surface of each body and positioned at the same side with the first reserved part, and the battery pack is overlapped in a mutually staggered and meshed mode between the first reserved parts and the second reserved parts, so that the height difference of the adjacent two battery pieces at the connecting part due to overlapping in the height direction is avoided, the shielding of the connecting part on the battery pieces is reduced, the effective area of the battery pieces is increased, and the conversion efficiency of the battery pieces is effectively improved.
Description
Technical Field
The invention belongs to the technical field of photovoltaics, and particularly relates to a single-crystal single-glass PERC laminated tile assembly.
Background
The solar photovoltaic is a green renewable energy source, and becomes one of the most important renewable energy sources by virtue of the characteristics of reliability, safety, universality, long service life, environmental protection and resource sufficiency, and the photovoltaic module is formed by assembling a large number of battery cells and can be used for constructing various photovoltaic power generation systems so as to convert the light energy into the electric energy.
The conventional photovoltaic module generally adopts a welding strip to connect the battery pieces in series, in recent years, a plurality of module manufacturers successively launch a tile-stacked module technology, the technology cuts the battery pieces into small pieces through laser cutting, then the small pieces of the battery pieces are overlapped end to end along the direction of one side of the battery pieces and are adhered by conductive adhesive to finally manufacture a battery string, the front side of the battery pieces is not shielded by the welding strip, the white clearance between the module battery pieces can be effectively utilized, and the effective power generation area of the module is obviously improved. However, this technique also has some problems that cannot be ignored; the battery pieces are overlapped along one side, and a part of the battery pieces are overlapped, so that not only is a part of current lost, but also a part of the battery pieces are wasted; in addition, the stacked battery pieces are easy to break and crack, and the series-parallel connection relation of the battery pieces of the existing single battery string cannot be adjusted once the single battery string is packaged.
Disclosure of Invention
The invention aims to solve the problems described in the technical background, and provides a single-crystal single-glass PERC laminated tile assembly which comprises a plurality of serial or parallel total battery strings, wherein each total battery string comprises two battery pieces alternately arranged at intervals, each battery piece comprises a body, reserved parts are arranged on the bodies, the reserved parts of the two battery pieces are symmetrically arranged, each reserved part comprises a first reserved part arranged on one side wall of the front side of the body and a second reserved part arranged on the back side of the body and positioned at the same side with the first reserved part, and the first reserved part and the second reserved part are respectively positioned at two ends of the body; the first reserved part and the second reserved part are vertically overlapped and matched; the lengths of the first reserved part and the second reserved part are equal to the length of the body, the shapes of the first reserved part and the second reserved part are the same, the first reserved part and the second reserved part both comprise first horizontal sections connected with the body, one end, far away from the body, of each first horizontal section is provided with an inclined section, and one end, far away from the horizontal sections, of each inclined section is provided with a second horizontal section; welding strips are arranged on the opposite sides of the first reserved part and the second reserved part,
the first battery string is formed by connecting adjacent first battery pieces in series, the second battery string is formed by connecting adjacent second battery pieces in series, and the first battery string and the second battery string are connected end to end through a regulating circuit for regulating the series connection or parallel connection of the first battery string and the second battery string.
The invention has at least the following beneficial effects:
1. according to the invention, the reserved parts are arranged, and on the first aspect, the first reserved part and the second reserved part are mutually staggered, occluded and overlapped, so that the height difference of two adjacent battery pieces at the connecting part cannot occur in the height direction due to overlapping of the two reserved parts, and further the shielding of the connecting part on the battery pieces is reduced, the effective area of the battery pieces is increased, and the conversion efficiency of the battery pieces is effectively improved; in the second aspect, the first reserved parts and the second reserved parts are mutually staggered, occluded and overlapped, so that the increase of the number of the battery pieces in a unit area caused by the overlapping of the head and the tail in the prior art is avoided, and the use number of the battery pieces is reduced; third aspect, through the direction of the protruding tooth slip butt joint of the battery piece that stacks the tile equipment and will damage along first protruding tooth and second, the battery piece that will damage is demolishd, compare the battery cluster of stacking among the prior art, be convenient for take off in the total battery cluster of stacking, the fourth aspect, in the lamination stage, because two kinds of battery cluster both ends are fixed, under the restriction of reservation portion, thereby can control in the lamination stage and spacing each other, simultaneously because the protruding tooth setting of first protruding tooth and second is spacing along total battery cluster length direction, and then prevent that the phenomenon of dislocation from taking place in the lamination stage in total battery cluster.
2. According to the invention, through mutual matching of the reserved part, the adjusting circuit, the electromagnet and the like, on one hand, the first elastic metal sheet and the second elastic metal sheet are electrically disconnected with the positive electrode and the negative electrode, and on the other hand, the first elastic metal sheet and the second elastic metal sheet are bent downwards and are electrically connected, so that the parallel connection of the first battery string and the second battery string is switched to the serial connection, and further, the serial-parallel connection in a single total battery string can be adjusted.
3. According to the invention, through mutual matching of the regulating circuit, the electromagnet and the like, on one hand, the subsequent movement of attracting the first elastic metal sheet and the second elastic metal sheet by the electromagnet is prevented from being blocked after new glue is solidified through air supplement; on the other hand, the air is supplied to the elastic layer, so that the buffering capacity of the edge of the photovoltaic panel is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a bottom view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structural connection of the internal components of the outer frame according to the present invention;
FIG. 4 is a schematic diagram of a general battery string according to the present invention;
FIG. 5 is a schematic view of a cell structure according to the present invention;
FIG. 6 is a schematic diagram of the first battery string and the second battery string of the present invention;
FIG. 7 is a schematic view of the first elastic metal sheet and the second elastic metal sheet of the present invention being butted together;
FIG. 8 is a schematic view of the outer frame structure of the present invention;
FIG. 9 is a schematic view of the positions of the first and second connecting pipes according to the present invention;
FIG. 10 is a schematic view of the inner structure of the first returning groove and the second returning groove;
FIG. 11 is a cross-sectional view of the overall construction of the present invention;
fig. 12 is an enlarged view of a portion of the structure of fig. 11 according to the present invention.
In the figure: 1. a total battery string; 2. a battery piece; 201. a body; 3. a reserved portion; 301. a first reserved portion; 302. a second reserved portion; 4. a first horizontal segment; 5. an inclined section; 6. a second horizontal segment; 7. welding a strip; 8. a first type of battery string; 9. a second type of battery string; 10. a first elastic metal sheet; 11. a second elastic metal sheet; 12. coating a glue layer; 13. a glue layer is arranged; 14. an upper glass plate; 15. a back plate; 16. a sealing layer; 17. an outer frame; 1701. a groove; 1702. a sealing strip; 1703. a first regressive groove; 1704. a second returning groove; 1705. a guide groove; 18. an electromagnet; 19. a rotating shaft; 20. an elastic layer; 21. a first connecting pipe; 22. a second connecting pipe.
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 are not intended to limit the invention.
As shown in fig. 1-12, a single-crystal single-glass PERC laminated tile assembly comprises a plurality of total battery strings 1 connected in series or in parallel, each total battery string 1 comprises two battery pieces 2 alternately arranged at intervals, each of the two battery pieces 2 comprises a body 201, each of the bodies 201 is provided with a reserved portion 3, the reserved portions 3 of the two battery pieces 2 are symmetrically arranged, each reserved portion 3 comprises a first reserved portion 301 arranged on one side wall of the front side of the body 201 and a second reserved portion 302 arranged on the back side of the body 201 and located on the same side as the first reserved portion 301, and the first reserved portion 301 and the second reserved portion 302 are respectively located at two ends of the body 201; the first reserved part 301 and the second reserved part 302 are vertically overlapped and matched; the lengths of the first reserved part 301 and the second reserved part 302 are equal to the length of the body 201, the first reserved part 301 and the second reserved part 302 are identical in shape, the first reserved part 301 and the second reserved part 302 both comprise a first horizontal section 4 connected with the body 201, one end, far away from the body 201, of the first horizontal section 4 is provided with an inclined section 5, and one end, far away from the horizontal section 4, of the inclined section 5 is provided with a second horizontal section 6; the opposite sides of the first reserved part 301 and the second reserved part 302 are respectively provided with a welding strip 7, adjacent first battery pieces are connected in series to form a first battery string 8, adjacent second battery pieces are connected in series to form a second battery string 9, and the first battery string 8 and the second battery string 9 are connected end to end through a regulating circuit for regulating the series connection or the parallel connection of the first battery string 8 and the second battery string 9; the welding strip 7 has elasticity, the welding strip 7 is set to be an elastic welding strip, so that the situation that the total battery string 1 cannot work due to the fact that a closed loop cannot be formed after the battery piece is broken is avoided, and due to the flexible elasticity of the welding strip 7, the welding strip 7 cannot be broken even after the battery piece is broken, and therefore electric energy collection can be still carried out after the battery piece is broken.
The welding strip 7 on the second reserved part 302 of the first battery piece is electrically connected with the welding strip 7 on the first reserved part 301 of the adjacent first battery piece through a conductive adhesive; the welding strip 7 on the first reserved part 301 of the second battery plate is electrically connected with the welding strip 7 on the second reserved part 302 of the adjacent second battery plate through a conductive adhesive; the present invention provides stability of electrical connectivity between the first reserved portion 301 and the second reserved portion 302 by providing a conductive adhesive.
The regulating circuit comprises two groups of positive and negative lines which are respectively arranged at the head end and the tail end of the main battery string 1, and each group of positive and negative lines comprises a positive line and a negative line; the first reserved part 301 of the first battery string 8 is connected with a first elastic metal sheet 10, the second reserved part 302 of the first battery string 8 is connected with a second elastic metal sheet 11, the first reserved part 301 of the second battery string 9 is connected with the first elastic metal sheet 10, and the second reserved part 302 of the second battery string 9 is connected with the second elastic metal sheet 11; the first elastic metal sheet 10 and the second elastic metal sheet 11 are respectively electrically connected with a positive electrode wire or a negative electrode wire with corresponding polarities; the positive and negative electrode lines are positioned at the upper parts of the second horizontal sections 6 of the corresponding battery pieces 2; the positive and negative electrode wires are fixed on the side wall of the glass plate 14; electromagnets 18 are arranged right below the first elastic metal sheet 10 and the second elastic metal sheet 11, and the electromagnets 18 control the on-off of the first elastic metal sheet 10 and the second elastic metal sheet 11 and the on-off of the first elastic metal sheet 10, the second elastic metal sheet 11 and the positive and negative lines; by controlling the electromagnet 18 to be electrified, the electromagnet 18 magnetically attracts the first elastic metal sheet 10 and the second elastic metal sheet 11 to bend downwards, so that the first elastic metal sheet 10 and the second elastic metal sheet 11 are electrically disconnected with the positive electrode and the negative electrode, and the first elastic metal sheet 10 and the second elastic metal sheet 11 are bent downwards to form electrical connection with the positive electrode and the negative electrode, so that the parallel connection of the first battery string 8 and the second battery string 9 is switched to be in series connection, and the series-parallel connection inside a single main battery string 1 can be adjusted.
The first elastic metal sheet 10 and the second elastic metal sheet 11 are metal sheets composed of five layers of materials, wherein ferromagnetic materials are arranged on the two outermost sides, a welding strip is arranged on the middle layer, and an insulating layer is arranged between the ferromagnetic materials and the elastic welding strip; according to the invention, the first elastic metal sheet 10 and the second elastic metal sheet 11 are arranged into five layers, so that the first elastic metal sheet 10 and the second elastic metal sheet 11 have ferromagnetism and can be attracted by an electromagnet, and the situation that when the first elastic metal sheet 10 and the second elastic metal sheet 11 with ferromagnetism are electrically connected with a positive electrode and a negative electrode, the resistance is increased when electric energy collected by the total battery string 1 is collected from the total battery string 1 to a positive electrode wire and a negative electrode wire due to poor conductivity of the first elastic metal sheet 10 and the second elastic metal sheet 11, and the electric energy collection of a photovoltaic battery is influenced is avoided.
The front and back of the two kinds of battery pieces 2 are provided with thin grid lines, the front and back of the two kinds of battery pieces 2 are provided with first main grid lines, the first main grid lines are perpendicular to the reserved part 3, and the reserved part 3 is provided with second main grid lines which are in cross connection with the first main grid lines; according to the invention, the first main grid line and the second main grid line are arranged, so that electric energy is transmitted to the next battery piece through the second main grid line and the welding strip 7.
The top of the total battery strings 1 which are connected in series or in parallel is provided with an upper adhesive layer 12, and the bottom is provided with a lower adhesive layer 13; an upper glass plate 14 is arranged on the upper part of the upper adhesive layer 12, and a back plate 15 is arranged on the lower part of the lower adhesive layer 13.
The sealing layer 16 is arranged on the peripheral edge of the packaged laminated tile assembly, an outer frame 17 is arranged outside the sealing layer 16, and electromagnets 18 matched with the first elastic metal sheet 10 and the second elastic metal sheet 11 are arranged in the outer frame 17; according to the invention, the sealing layer 16 is arranged outside the laminated assembly, so that on one hand, the battery piece positioned at the edge of the glass plate is isolated from the outside air to form sealing, oxidation is avoided, and on the other hand, the sealing layer 16 can play a certain buffering effect.
A second horizontal section 6 of the first reserved part 301 is provided with a first sawtooth-shaped convex tooth, and a second horizontal section 6 of the second reserved part 302 is provided with a second convex tooth matched with the first convex tooth; according to the invention, the first bulge is meshed with the second bulge tooth, so that when the first bulge is meshed with the second bulge tooth, the clearance between the battery pieces is limited, and the battery pieces are prevented from sliding along the length direction of the total battery string 1.
The sealing layer 16 is connected with the laminated assembly in a sealing mode, an elastic layer 20 connected with the laminated assembly in a sealing mode is arranged on the inner wall of the sealing layer 16, a groove 1701 connected with the laminated assembly in a sealing mode is formed in the inner side wall of the outer frame 17, sealing strips 1702 are arranged on the opposite side walls of the groove 1701, and a first circular groove 1703 with a circular cross section and a second circular groove 1704 with a square cross section are arranged at the lower portion of the groove 1701; the first returning groove 1703 is separated from the groove 1701 by a partition plate, guide grooves 1705 are arranged on two sides of the first returning groove 1703, a plurality of electromagnets 18 are arranged in the first returning groove 1703, the electromagnets 18 are in sliding connection with the inner walls of the guide grooves 1705 through rotating shafts 19, one of the guide grooves 1705 is communicated with the second returning groove 1704, the rotating shafts of the two electromagnets 18 are driven by a first output shaft of a double-shaft motor, and the double-shaft motor is in sliding connection with the second returning groove 1704 through a square slider; a gear is arranged on a second output shaft of the double-shaft motor, and a rack meshed with the gear is arranged in the second square-shaped groove 1704; opposite corners of the elastic layer 20 are communicated with a second square groove 1704 through a first connecting pipe 21, a first electromagnetic valve is arranged in the first connecting pipe 21, the first connecting pipe 21 penetrates through the sealing layer 16 and the partition plate, through holes communicated with the outside are formed in four corners in the second square groove 1704, one group of the opposite-corner through holes correspond to the first connecting pipe, the tops of the other group of the opposite-corner through holes are communicated with the groove 1701 through a second connecting pipe 22, the second electromagnetic valve is arranged in the second connecting pipe 22, a fixing block is arranged in the second square groove 1704, holes communicated with the through holes are formed in the fixing block, and the fixing block is as high as the lower surface of the electromagnet 18 when the electromagnet 18 is in a horizontal position; the shape of the electromagnet 18 is the same as the cross section of the first returning groove 1703, and when the electromagnet 18 is in a vertical position, the electromagnet 18 and the first returning groove 1703 are in sealing sliding connection; according to the invention, through the mutual matching among the elastic layer 20, the double-shaft motor, the electromagnet 18 and the like, the electromagnet 18 is driven to rotate by controlling the rotation of the first output shaft of the double-shaft motor, so that the horizontal and vertical positions of the electromagnet 18 are changed, and meanwhile, the gear is meshed with the rack by controlling the rotation of the second output shaft of the double-shaft motor, so that the electromagnet 18 in the horizontal or vertical state is driven to move; the electromagnet 18 in the horizontal position is driven to move to the through hole by the double-shaft motor, so that the through hole can be controlled to be opened and closed; the electromagnet 18 in the vertical position is driven to move to the through hole through the double-shaft motor, so that air circulation inside the outer frame 17 can be realized, and heat dissipation and cooling are performed; in addition, the two double-shaft motors at the second connecting pipe 22 are controlled to drive the electromagnet 18 in the horizontal position to move to the fixed block, so that the through hole is in sealing connection with the second connecting pipe 22, then the double-shaft motor corresponding to the through hole at the bottom of the first connecting pipe 21 closest to the through hole is controlled to drive the electromagnet 18 in the horizontal position to move, the second square-shaped groove 1704 is communicated with the atmosphere, then all the double-shaft motors except for the through hole in sealing connection with the second connecting pipe 22 are controlled to be started and drive the electromagnet 18 to rotate to the vertical position, and then the electromagnet 18 is driven to move to supplement air to the elastic layer.
When the welding strip device is used, firstly, a first battery piece is placed on a workbench through a tile stacking device, then a welding strip 7 for welding the first battery piece is coated on the first battery piece, then a welding strip 7 for welding a second first battery piece is coated on the second battery piece, then the first protruding teeth are aligned with the second protruding teeth, a conductive adhesive is coated on the welding strip 7, then the second first battery piece is pushed to be aligned with the edge of the previous first battery piece, so that the conductive adhesive is used for connecting the welding strip 7 of the first battery piece and the welding strip 7 of the second battery piece in series, and the welding strip 7 of the first battery piece and the welding strip 7 of the second battery piece are connected in series through the conductive adhesive in the same way; as shown in fig. 6, the battery body 201 is located in the middle, the reserved parts 3 are located on two sides, and the reserved parts 3 of the same battery pieces connected in series are located on one side of another battery piece, and are stacked in the above manner, so that in the lamination stage, two ends of the total battery string 1 can be fixed, and the displacement in the lamination stage is prevented; stacking in the above manner; the method comprises the following steps of detecting a total battery string 1 which is connected in series, if the total battery string 1 is broken or subfissure, melting a conductive adhesive in a hot melting mode, and then removing a damaged battery piece through a tiling device along the sliding butt joint direction of a first protruding tooth and a second protruding tooth; therefore, the replacement efficiency and speed of the battery piece are improved; after detection is finished, a first battery string 8 and a second battery string 9 are spliced, reserved welding strips 7 are welded on positive electrodes reserved at two ends of the first battery string 8 and the second battery string 9, the reserved welding strips 7 are fixed through clamping equipment, and then a plurality of groups of total battery strings 1, glass plates 14 and back plates 15 are packaged into a photovoltaic plate through laminating equipment in packaging equipment, because two ends of the two battery strings are fixed, under the limiting action of a reserved part 3, left and right mutual limiting can be carried out in the laminating stage, and meanwhile, because the first protruding teeth and the second protruding teeth are arranged, the limiting can be carried out in the length direction of the total battery string 1, and the phenomenon that the total battery string 1 is staggered in the laminating stage is prevented; then respectively welding a first elastic metal sheet 10 and a second elastic metal sheet 11 which correspond to each other on the reserved welding strip 7, fixing a positive wire and a negative wire on the side wall of the glass plate 14, then coating an elastic layer 20 with a first connecting pipe 21 between the side walls of the glass plate 14 and the back plate 15, coating the positive wire, the negative wire, the first elastic metal sheet 10 and the second elastic metal sheet 11, then inflating the elastic layer 20, coating a sealing layer 16 outside the elastic layer 20, and then butting the manufactured photovoltaic panel with an outer frame 17; in addition, it should be emphasized that, in the first aspect, the first reserved portion 301 and the second reserved portion 302 are mutually staggered, engaged and overlapped, so that a height difference between two adjacent battery pieces at a connection position cannot occur in the height direction due to overlapping of the two battery pieces, and further shielding of the connection position on the battery pieces is reduced, the effective area of the battery pieces is increased, and the conversion efficiency of the battery pieces is effectively improved; in the second aspect, due to the fact that the first reserved portion 301 and the second reserved portion 302 are mutually staggered, meshed and overlapped, the number of battery pieces in a unit area cannot be increased due to the fact that the battery pieces overlap end to end in the prior art, and therefore the number of the battery pieces is reduced.
When the battery pack is used, when one battery piece is damaged, the electromagnet 18 corresponding to the corresponding total battery string 1 is controlled to be powered off, so that the first elastic metal piece 10 and the second elastic metal piece 11 are electrically disconnected and are electrically connected with the corresponding electrode wires under the action of self elasticity, and the first battery string 8 and the second battery string 9 which are connected in series in the total battery string 1 are converted into parallel connection, so that fifty percent of the battery pieces in the total battery string 1 can still continue to generate power when any one battery piece in the total battery string 1 is damaged.
When the sealing layer 16 is cracked, the double-shaft motor corresponding to the through hole below one of the second connecting pipes 22 is controlled to start and drive the electromagnet 18 to slide and cross the through hole, and it should be emphasized that when the sealing layer is not used, one electromagnet 18 is arranged at the through hole below the second connecting pipe 22 to block and prevent dust from entering; after passing through the through hole, the double-shaft motor moves into a first returning groove 1703 on one side, perpendicular to the initial position, of the double-shaft motor, then the double-shaft motor is started to drive the electromagnet 18 to rotate to the vertical position, and then the double-shaft motor is started to drive the electromagnet 18 to move to the edge of one side of the fixed block, so that the electromagnet 18 and the inner wall of the first returning groove 1703 are in sealing connection; meanwhile, controlling another double-shaft motor close to the through hole to start and drive the electromagnet 18 to rotate to a vertical position, wherein the electromagnet 18 refers to the electromagnet 18 which is positioned in the first returning groove 1703 and is closest to the through hole, and then starting and driving the electromagnet 18 to move to the other edge of the fixed block through the double-shaft motor so that the electromagnet 18 and the first returning groove 1703 form sealing connection; at this time, two sides of the through hole below one of the second connecting pipes 22 are sealed by the electromagnets 18, so that the through hole and the second connecting pipe 22 form a sealed channel, then the second electromagnetic valve in the second connecting pipe 22 is opened, so that the through hole is communicated with the groove 1701, then sealant is injected into the first returning groove 1703 through the glue injection pipe, meanwhile, the double-shaft motor corresponding to one of the through holes adjacent to the other second connecting pipe 22 is controlled to be started, namely the through hole corresponding to one of the first connecting pipes 21, the double-shaft motor is started and drives the corresponding electromagnet 18 to move, so that the first returning groove 1703 is communicated with the atmosphere, then the first electromagnetic valve corresponding to the other first connecting pipe 21 is opened, then all the double-shaft motors except the double-shaft motor for forming the sealed channel between the through hole and the second connecting pipe 22 are controlled to be started, the double-shaft motor is started and drives the electromagnet 18 to rotate, the electromagnet 18 is horizontally in a vertical state and is in sealed connection with the first returning groove 1703, then the double-shaft motor is controlled to drive the electromagnet 18 in the vertical state to move towards one side of the first connecting pipe 21 which is not communicated with the atmosphere, namely, one side of the first connecting pipe 21 of the first electromagnetic valve is opened to move, so that the electromagnet 18 pushes air flow to supplement air to the elastic layer 20, the elastic layer 20 expands, and the anti-extrusion capacity is enhanced, thereby avoiding the situation that the elastic layer 20 is extruded by supplemented glue in the glue supplementing process, the space of the elastic layer 20 is reduced, and the subsequent electromagnet 18 is prevented from attracting the first elastic metal sheet 10 and the second elastic metal sheet 11 after new supplemented glue is solidified; in addition, the air is supplied to the elastic layer 20, so that the buffering capacity of the edge of the photovoltaic panel is improved, and the situation that the sealing layer 16 easily causes damage to an internal circuit due to lack of air pressure inside the elastic layer 20 when the edge of the photovoltaic panel is extruded is avoided; in addition, when the sealant is in a softening and solidifying stage, the electromagnet 18 can be controlled to be electrified repeatedly, so that the first elastic metal sheet 10 and the second elastic metal sheet 11 are attracted and disconnected, and the sealant between the first elastic metal sheet 10 and the second elastic metal sheet 11 is squeezed out.
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 (9)
1. The utility model provides a single crystal single glass PERC shingle subassembly, includes a plurality of total battery strings of establishing ties or parallelly connected which characterized in that: each main battery string comprises two battery pieces alternately arranged at intervals, each battery piece comprises a body, reserved parts are arranged on the bodies, the reserved parts of the two battery pieces are symmetrically arranged, each reserved part comprises a first reserved part arranged at one end of the front side of the body and a second reserved part arranged at the back side of the body and positioned at the same end with the first reserved part, the first reserved part and the second reserved part are respectively positioned at two sides of the body, and the first reserved part and the second reserved part extend outwards from the body along two opposite directions of the body; the first reserved part and the second reserved part are vertically overlapped and matched;
the lengths of the first reserved part and the second reserved part are equal to the length of the body, the shapes of the first reserved part and the second reserved part are the same, the first reserved part and the second reserved part both comprise a first horizontal section connected with the body, one end, far away from the body, of the first horizontal section is provided with an inclined section, and one end, far away from the first horizontal section, of the inclined section is provided with a second horizontal section; welding strips are arranged on the opposite sides of the first reserved part and the second reserved part;
the first battery string is formed by connecting adjacent first battery pieces in series, the second battery string is formed by connecting adjacent second battery pieces in series, and the first battery string and the second battery string are connected end to end through a regulating circuit for regulating the series connection or parallel connection of the first battery string and the second battery string;
the regulating circuit comprises two groups of positive and negative electrode wires which are respectively arranged at the head end and the tail end of the total battery string, and each group of positive and negative electrode wires comprises a positive electrode wire and a negative electrode wire; the first reserved part of the first battery string is connected with a first elastic metal sheet, the second reserved part of the first battery string is connected with a second elastic metal sheet, the first reserved part of the second battery string is connected with a first elastic metal sheet, and the second reserved part of the second battery string is connected with a second elastic metal sheet; the first elastic metal sheet and the second elastic metal sheet are respectively and electrically connected with a positive electrode wire or a negative electrode wire with corresponding polarities; the positive and negative electrode lines are positioned at the upper parts of the second horizontal sections of the corresponding battery pieces; the positive and negative electrode wires are fixed on the side wall of the glass plate; electromagnets are arranged under the first elastic metal sheet and the second elastic metal sheet, and the electromagnets control the on-off of the first elastic metal sheet and the second elastic metal sheet and the on-off of the first elastic metal sheet, the second elastic metal sheet and the positive and negative lines.
2. The single crystal single glass PERC stack assembly of claim 1, wherein the solder ribbon on the second predetermined portion of the first cell type is electrically connected to the solder ribbon on the first predetermined portion of the adjacent first cell type by a conductive adhesive; and the welding strip on the first reserved part of the second battery piece is electrically connected with the welding strip on the second reserved part of the adjacent second battery piece through a conductive adhesive.
3. The single crystal single glass PERC laminated tile assembly according to claim 1, wherein the first elastic metal sheet and the second elastic metal sheet are metal sheets made of five layers of materials, ferromagnetic materials are arranged on the outermost two sides, a welding strip is arranged on the middle layer, and an insulating layer is arranged between the ferromagnetic materials and the welding strip.
4. The single crystal single glass PERC laminated tile assembly according to claim 1, wherein the front and back surfaces of two kinds of the battery pieces are provided with thin grid lines, the front and back surfaces of two kinds of the battery pieces are provided with first main grid lines, the first main grid lines are perpendicular to the reserved portion, and the reserved portion is provided with second main grid lines which are in cross connection with the first main grid lines.
5. The single crystal single glass PERC stack assembly of claim 1, wherein said solder ribbon is resilient.
6. The single crystal single glass PERC laminated tile assembly according to claim 1, wherein an upper glue layer is arranged on the top of each of said plurality of serial or parallel total cell strings, and a lower glue layer is arranged on the bottom of each of said plurality of serial or parallel total cell strings; the upper portion of the upper rubber layer is provided with an upper glass plate, and the lower portion of the lower rubber layer is provided with a back plate.
7. The single crystal single glass PERC laminated tile assembly of claim 6, further comprising a sealing layer disposed around the perimeter of the encapsulated laminated tile assembly, wherein an outer frame is disposed outside the sealing layer, and wherein an electromagnet is disposed inside the outer frame and cooperates with the first elastic metal sheet and the second elastic metal sheet.
8. The single crystal single glass PERC laminated tile assembly of claim 1, wherein the second horizontal segment of the first predetermined portion is provided with first protruding serrated teeth, and the second horizontal segment of the second predetermined portion is provided with second protruding serrated teeth that mate with the first protruding teeth.
9. The single-crystal single-glass PERC laminated tile assembly as claimed in claim 7, wherein the sealing layer is hermetically connected with the laminated tile assembly, an elastic layer hermetically connected with the laminated tile assembly is arranged on an inner wall of the sealing layer, a groove hermetically connected with the laminated tile assembly is formed in an inner side wall of the outer frame, sealing strips are arranged on opposite side walls of the groove, and a first returning groove with a circular cross section and a second returning groove with a square cross section are formed in the lower portion of the groove; the first returning groove and the groove are separated by a partition plate, guide grooves are formed in two sides of the first returning groove, a plurality of electromagnets are arranged in the first returning groove, the electromagnets are connected with the inner walls of the guide grooves in a sliding mode through rotating shafts, one guide groove is communicated with the second returning groove, the rotating shafts of the two electromagnets are driven by a first output shaft of a double-shaft motor, and the double-shaft motor is connected with the second returning groove in a sliding mode through a square sliding block; a second output shaft of the double-shaft motor is provided with a gear, and a rack meshed with the gear is arranged in the second square groove; the opposite angles of the elastic layer are communicated with a second circular groove through a first connecting pipe, a first electromagnetic valve is arranged in the first connecting pipe, the first connecting pipe penetrates through the sealing layer and the partition plate, through holes communicated with the outside are formed in four corners in the second circular groove, one group of the opposite angle through holes correspond to the first connecting pipe, the tops of the other group of the opposite angle through holes are communicated with the groove through the second connecting pipe, a second electromagnetic valve is arranged in the second connecting pipe, a fixed block is arranged in the second circular groove, a hole communicated with the through holes is formed in the fixed block, and the fixed block is as high as the lower surface of the electromagnet when the electromagnet is in a horizontal position; when the electromagnet is in a vertical position, the electromagnet and the first returning groove are in sealed sliding connection.
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| CN202210785334.9A CN114864725B (en) | 2022-07-06 | 2022-07-06 | Single-crystal single-glass PERC laminated tile assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210785334.9A CN114864725B (en) | 2022-07-06 | 2022-07-06 | Single-crystal single-glass PERC laminated tile assembly |
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| CN114864725B true CN114864725B (en) | 2022-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11243224A (en) * | 1997-12-26 | 1999-09-07 | Canon Inc | Photovoltaic element module, manufacture thereof and non-contact treatment |
| JP4024161B2 (en) * | 2003-02-12 | 2007-12-19 | 三洋電機株式会社 | Manufacturing method of solar cell module |
| DE102011009006A1 (en) * | 2011-01-20 | 2012-07-26 | Schlenk Metallfolien Gmbh & Co. Kg | Method for producing pre-tinned connectors for PV cells |
| CN104701415A (en) * | 2015-02-13 | 2015-06-10 | 晶澳（扬州）太阳能科技有限公司 | Manufacture method for solar cell module via solar cells different in structure |
| CN105590980B (en) * | 2016-02-18 | 2017-03-22 | 协鑫集成科技股份有限公司 | Solar cell module and production method thereof |
| SE541365C2 (en) * | 2017-10-16 | 2019-08-20 | Jb Ecotech Ab | Tape for Interconnecting Single Solar Cells into Solar Cell Modules |
| CN208173600U (en) * | 2018-04-09 | 2018-11-30 | 成都晔凡科技有限公司 | For the solar battery sheet of PERC imbrication component, preparation system and PERC imbrication component |
| CN108365044A (en) * | 2018-04-25 | 2018-08-03 | 无锡市斯威克科技有限公司 | A kind of twill formula reflection-type reflective solder strip |
| CN110828598B (en) * | 2019-10-30 | 2024-03-08 | 江苏朗道新能源有限公司 | Half-sheet laminated tile assembly and manufacturing method thereof |
| CN215731743U (en) * | 2021-07-23 | 2022-02-01 | 东方日升(义乌)新能源有限公司 | Battery string and photovoltaic module |
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