CN106784105A - A kind of high mechanical load solar cell module and preparation method thereof - Google Patents
A kind of high mechanical load solar cell module and preparation method thereof Download PDFInfo
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- CN106784105A CN106784105A CN201710075381.3A CN201710075381A CN106784105A CN 106784105 A CN106784105 A CN 106784105A CN 201710075381 A CN201710075381 A CN 201710075381A CN 106784105 A CN106784105 A CN 106784105A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 71
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- 238000003475 lamination Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000002313 adhesive film Substances 0.000 claims description 2
- 238000004021 metal welding Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
- 210000004027 cell Anatomy 0.000 description 77
- 238000010586 diagram Methods 0.000 description 20
- 238000002161 passivation Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 210000003850 cellular structure Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic System
-
- 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
- Y02E10/547—Monocrystalline silicon PV cells
-
- 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 discloses a kind of high mechanical load solar cell module, including cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE and back veneer material, the battery strings group is formed by connecting by multiple battery strings, the battery strings are in series by multiple compact battery pieces, the compact battery piece is formed by p-type or the cutting of N-shaped solar battery sheet, the consistent compact battery piece of some width is obtained after cutting, the length and width of each compact battery piece is different, it includes side long and short side, and the length and width of the cover plate materials is different, it also includes side long and short side.The component resistance to mechanical load-carrying ability obtains larger raising, and power is also highly improved, and cost of electricity-generating is low.The preparation method for also disclosing above-mentioned high mechanical load solar cell module.
Description
Technical field
The invention belongs to solar cell module technical field, and in particular to a kind of high mechanical load solar battery group
Part and preparation method thereof.
Background technology
The most direct mode that the mankind obtain the energy is to utilize solar energy, and solar-energy photo-voltaic cell is to change solar energy
One of most effective mode for electric energy.In recent years, solar cell world wide production is increased with annual 30~40% speed, into
It is one of industry with fastest developing speed in the market, wherein crystal silicon solar energy battery increasingly mature occupies market
Leading position.
With the development of crystal silicon solar energy battery technology, silicon wafer thickness is also gradually thinning to reduce photovoltaic generation cost,
But what wafer thinning brought therewith is that rising and component the resistance to mechanical load-carrying ability in itself of fragment rate in establishment of component declines,
In this case, the scheme of various lifting assembly resistance to mechanical load-carrying abilities is also gradually emerged in large numbers.Patent CN104935247A is used
Module frame increases the method for reinforcement with lifting assembly resistance to mechanical load-carrying ability, and this method effectively reduces component compression
Battery fragment rate afterwards and power loss, but this method not only increases extra reinforcement in establishment of component, material into
This increase, while also needing to increase extra station realize reinforcement installation, processing step is cumbersome and increased extra
Human cost.
At the same time, high-efficiency battery technology is also gradually ripe, such as full back contact battery, passivation on double surfaces double-side cell, HIT electricity
Pond etc., compared with conventional batteries, these high-efficiency battery usable front panel and reverse panels have good passivation, and Current Voltage is higher, particularly
Double-side cell can absorb light so as to produce photo-generated carrier due to tow sides, thus with short circuit current higher.
When making components using these high efficient two-sided batteries, if still using conventional welding interconnection technique, certainly will be envisioned that from
Battery will be very high to the power loss of component, and the high conversion efficiency that battery-end is obtained can not obtain complete body in assembly end
Show, therefore people also are seeking various schemes to realize the lifting of solar cell module power.
The content of the invention
First purpose of the invention is to provide a kind of high mechanical load solar cell module, the solar cell
Component resistance to mechanical load-carrying ability obtains larger raising, and power is also highly improved, and cost of electricity-generating is low.
Second object of the present invention is the preparation method for providing above-mentioned high mechanical load solar cell module, should
Method can while extra material is not increased effective lifting assembly resistance to mechanical load-carrying ability in itself, while component can also be made
Power is highly improved, and reduces every watt of cost of electricity-generating.
First purpose of the invention is to be achieved through the following technical solutions：A kind of high mechanical load solar cell
Component, including cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE and back veneer material, the battery strings group is by more
Individual battery strings are formed by connecting, and the battery strings are in series by multiple compact battery pieces, and the compact battery piece is by p-type or N-shaped
Solar battery sheet cutting is formed, and the consistent compact battery piece of some width, the length of each compact battery piece are obtained after cutting
Different with width, it includes side long and short side, and the length and width of the cover plate materials is different, and it also includes side long and short
Side.
As it is of the invention preferred embodiment, battery strings of the present invention can be by multiple same type of small electricals
Pond piece is in series, or the battery strings can also be in series by the compact battery piece of multiple different types.
The direction of compact battery piece of the present invention series connection can be or the institute along the direction parallel to compact battery piece short side
The direction for stating the series connection of compact battery piece can also be along the direction parallel to compact battery length of a film side.
It is when the direction of compact battery piece of the present invention series connection is along direction parallel to compact battery piece short side, then described
The arrangement of battery strings is arranged according to the short side direction parallel to the cover plate materials, or the direction of compact battery piece series connection is
Along parallel to compact battery length of a film side direction when, then the arrangement of the battery strings is according to the side long parallel to the cover plate materials
Arrange in direction.
The side long of cover plate materials of the present invention is preferably dimensioned to be 1000~2500mm, the short side of the cover plate materials
It is preferably dimensioned to be 500~1500mm.
P-type of the present invention or N-shaped solar battery sheet can be the one side photovoltaic cell piece of right angle or fillet, two-sided
Photocell piece or back contact solar cell piece.
And, these p-types or N-shaped solar battery sheet are as far as possible consistent on electric property, maximum power point current error
Fluctuation range is the smaller the better, at least within 0.2A.
The length and width of the p-type or N-shaped solar battery sheet is preferably dimensioned to be 100~200mm, the compact battery
The side long of piece is preferably dimensioned to be 100~200mm, and the short side of the compact battery piece is preferably dimensioned to be 18~90mm.
The battery grid line figure on p-type of the present invention or N-shaped solar battery sheet two sides can reserve cutting according to cutting demand
Seam can not also reserve cutting seam, preferably reserve, wherein being not provided with metal at cutting seam.
Multiple compact battery piece series connection of the present invention can be described to lead using the connection of conductive material one side or two-sided connection
Electric material is preferably metal welding band, wire, conductive tape, conducting resinl, conductive adhesive film, electrocondution slurry or soldering paste, wherein adjacent
Spacing between two compact battery pieces is preferably 0.2~10mm.
Battery strings group of the present invention can be connected and/or be connected in parallel by multiple battery strings.
Back veneer material of the present invention can be lighttight common backboard, or the glass of transparent two sides or other
The back veneer material of transparent two sides.
Second object of the present invention is to be achieved through the following technical solutions：Above-mentioned high mechanical load solar cell
The preparation method of component, comprises the following steps：
(1) p-type or N-shaped solar battery sheet are chosen, p-type or N-shaped solar battery sheet is cut into multiple compact batteries
Piece, obtains the consistent compact battery piece of some width after cutting, the length and width of each compact battery piece is different, and it includes length
Side and short side；
(2) by cutting after multiple compact battery pieces be mutually in series, form multiple battery strings, then by multiple batteries series winding
Connect, form battery strings group；
(3) according to order from bottom to up, by cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE, the back of the body
Plate material lays, wherein the length and width of the cover plate materials is different, it also includes side long and short side；
(4) through including that EL is tested, lamination is post-processed, framed up, the treatment of terminal box installation procedure after laying is completed, that is, height is obtained
Resistance to mechanical load solar cell module.
Compared with general components preparation method, the present invention has advantages below：
(1) the inventive method is cut by designing different battery structures to cell piece, according to cell piece after cutting
Series system, selects suitable battery strings arrangement mode, first connects again (preferably) in parallel, and the structure that connection in series-parallel is closed can be more preferable
Component internal loss is reduced, while what is be connected in parallel in component increases so that component heat resistanceheat resistant spot ability is strengthened；
(2) the inventive method is by optimizing battery type-setting mode so that component resistance to mechanical load-carrying ability is greatly strengthened,
Can effectively reduce component prepare, transport and installation process in bring it is hidden split risk, meanwhile, in bad weather such as hurricane
In the case of wind and severe snow, the risk of component generation failure of the present invention is also greatly reduced, and power station O＆M cost is also reduced.
Brief description of the drawings
Fig. 1 is the front and rear schematic diagram of p-type conventional batteries cutting in embodiment 1, wherein (a)：Cell backside schematic diagram before cutting,
(b)：Cell backside schematic diagram after cutting；
Fig. 2 is cell piece typesetting connection diagram in component in embodiment 1；
Fig. 3 is the back of the body front and rear schematic diagram of passivation cell cutting in embodiment 2, wherein (a)：Cell backside schematic diagram before cutting,
(b)：Cell backside schematic diagram after cutting；
Fig. 4 is cell piece typesetting connection diagram in component in embodiment 2；
Fig. 5 is cell piece typesetting connection diagram in component in embodiment 3；
Fig. 6 is cell piece typesetting connection diagram in component in embodiment 4.
Specific embodiment
Embodiment 1
The high mechanical load solar cell module that the present embodiment is provided, including cover plate materials, EVA and/or POE, electricity
Pond string group, EVA and/or POE and back veneer material, battery strings group are formed by connecting by multiple battery strings, and battery strings are by multiple small electricals
Pond piece is in series, and compact battery piece is formed by the cutting of p-type solar battery sheet, and consistent small-sized of some width is obtained after cutting
Cell piece, the length and width of each compact battery piece is different, and its (each compact battery piece) includes side long and short side, and cover plate
The length and width of material is different, and its (cover plate materials) also include side long and short side.
Wherein p-type solar battery sheet uses the right angle p-type conventional polycrystalline cell piece of one side printing opacity, and the front of battery is hair
Emitter-base bandgap grading, the back side is aluminium back surface field, and the length and width size of the p-type conventional polycrystalline cell piece is 160mm × 160mm.
Every piece of p-type conventional polycrystalline cell piece is cut into 3 compact battery pieces (size is identical), wherein each after cutting
Compact battery piece length and width are inconsistent, including side long and short side, and long edge size is 160mm, and short side dimension is 53.3mm, in Fig. 1 (a)
(b) is respectively schematic diagram before and after the cutting of the p-type conventional polycrystalline cell piece back side.
Multiple compact battery pieces after by cutting are mutually in series using tin-coated welding strip, and the series connection direction of cell piece is along parallel
In compact battery piece short side direction concatenation, multiple battery strings are consequently formed.
Spacing between wherein adjacent two compact batteries piece is 2mm.
The size on the side long of cover plate materials is 1000mm, and the size of the short side of cover plate materials is 500mm, and battery strings are along parallel
Arranged successively in the short side of cover plate materials, being electrically connected to be connected in series between battery strings, Fig. 2 is cell piece typesetting in component
Connection diagram.
The preparation method of the high mechanical load solar cell module that the present embodiment is provided, using p-type conventional polycrystalline electricity
Pond makes component, and the front of battery is emitter stage, and the back side is aluminium back surface field, and cell piece concatenation direction is along short parallel to compact battery piece
Edge direction is concatenated, and is comprised the following steps that：
(1) p-type conventional polycrystalline solar battery sheet is chosen, every piece of solar battery sheet is cut into 3 size identicals
Compact battery piece, wherein the length and width of each the compact battery piece after cutting are inconsistent, including side long and short side, hem width width long is
160mm, short side wide cut is 53.3mm, and (a) and (b) is respectively schematic diagram before and after the cutting of the p-type conventional batteries back side in Fig. 1；
(2) by cutting after multiple compact battery pieces be mutually in series using tin-coated welding strip, the series connection direction of cell piece is edge
Parallel to compact battery piece short side direction concatenation, multiple battery strings are consequently formed；
(3) according to order from bottom to up, by cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE, the back of the body
Plate material lays, and the length and width of wherein cover plate materials are inconsistent, including side long and short side, and the edge lengths long of cover plate materials are
1000mm, the short side width of cover plate materials is 500mm, and battery strings are arranged successively along the short side parallel to cover plate materials, battery strings
Between be electrically connected to be connected in series, Fig. 2 be component in cell piece typesetting connection diagram；
(4) through including the operation treatment such as EL tests, lamination are post-processed, framed up, terminal box is installed after laying is completed, that is, it is obtained
High mechanical load components, test suite under the 5400Pa pressure of front pressure-bearing 1 hour power loss is less than 1% afterwards.
Embodiment 2
With embodiment 1, difference is the structure of the high mechanical load solar cell module that the present embodiment is provided：
The present embodiment makes component using p-type routine back of the body passivation cell piece, and the front of battery is emitter stage, and the back side is that the localized contact back of the body is blunt
Change structure, cell piece concatenation direction is along parallel to compact battery piece long side direction concatenation.
Wherein p-type solar battery sheet routinely carries on the back passivation cell piece using the right angle p-type of one side printing opacity, and the front of battery is
Emitter stage, the back side is that localized contact carries on the back passivating structure, the length and width size of the p-type conventional polycrystalline cell piece for 156mm ×
156mm。
Every piece of solar battery sheet is cut into 2 compact battery pieces (size is identical), wherein each after cutting is small-sized
The length and width of cell piece are inconsistent, including side long and short side, and the size on side long is 156mm, and the size of short side is 78mm, in Fig. 3 (a)
(b) is respectively schematic diagram before and after the cutting of the back of the body passivation cell back side.
10 compact battery pieces after by cutting are mutually in series using tin-coated welding strip, and the series connection direction of cell piece is along parallel
In compact battery piece long side direction concatenation, 12 battery strings are formed altogether.
The long edge size of cover plate materials is 1650mm, and the short side dimension of cover plate materials is 992mm, and battery strings are along parallel to lid
The side long of plate material is arranged successively, and being electrically connected between battery strings is combined to be connected in series and being connected in parallel, and Fig. 4 is component
Interior cell piece typesetting connection diagram.
The preparation method of the high mechanical load solar cell module that the present embodiment is provided, using p-type routinely back of the body passivation
Battery makes component, and the front of battery is emitter stage, and the back side is aluminium back surface field, and cell piece concatenation direction is along parallel to compact battery piece
Long side direction is concatenated, and is comprised the following steps that：
(1) back of the body passivation solar battery sheet is chosen, every piece of solar battery sheet is cut into 2 size identical small electricals
Pond piece, wherein the length and width of each the compact battery piece after cutting are inconsistent, including side long and short side, hem width width long is 156mm, short
Hem width width is 78mm, and (a) and (b) is respectively schematic diagram before and after the cutting of the back of the body passivation cell back side in Fig. 3；
(2) by cutting after 10 compact battery pieces be mutually in series using tin-coated welding strip, the series connection direction of cell piece is edge
Parallel to compact battery piece long side direction concatenation, 12 battery strings are formed altogether；
(3) according to order from bottom to up, by cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE, the back of the body
Plate material lays, and the length and width of wherein cover plate materials are inconsistent, including side long and short side, and the edge lengths long of the cover plate materials are
1650mm, the short side width of the cover plate materials is 992mm, and the battery strings are arranged successively along the side long parallel to cover plate materials
Cloth, being electrically connected between battery strings is combined to be connected in series and being connected in parallel, and Fig. 4 is that cell piece typesetting connection is shown in component
It is intended to；
(4) through including the operation treatment such as EL tests, lamination are post-processed, framed up, terminal box is installed after laying is completed, that is, it is obtained
High mechanical load components, test suite under the 5400Pa pressure of front pressure-bearing 3 hours power loss is less than 2% afterwards.
Embodiment 3
With embodiment 1, difference is the structure of the high mechanical load solar cell module that the present embodiment is provided：
The present embodiment uses the fillet single crystal battery piece of N-shaped transparent two sides, and specific size is 156.75mm × 156.75mm, making group
Part, positive pole and the negative pole of cell piece are distributed in the tow sides of cell piece, and front and the back side of cell piece respectively set 4 main grids,
Cell piece concatenation direction is along parallel to compact battery piece short side direction concatenation.
Every piece of solar battery sheet is cut into 2 size identical compact battery pieces, wherein each after cutting is small-sized
Cell piece length and width are inconsistent, including side long and short side, and hem width width long is 156.75mm, and short side wide cut is 78.38mm.
Spacing between wherein adjacent two compact batteries piece is 5mm.
12 compact battery pieces after by cutting are mutually in series using conducting resinl and metallic copper band, the series connection direction of cell piece
It is, along parallel to compact battery piece short side direction concatenation, to be consequently formed 12 battery strings.
The length and width of cover plate materials are inconsistent, including side long and short side, and the size on the side long of cover plate materials is 1960mm, cover plate
The short side dimension of material is 1030mm, and battery strings are arranged successively along the short side parallel to cover plate materials, the electricity between battery strings
It is connected as being connected in series and being connected in parallel being combined, Fig. 5 is cell piece typesetting connection diagram in component.
The preparation method of the high mechanical load solar cell module that the present embodiment is provided, using the two-sided monocrystalline electricity of N-shaped
Pond makes component, and positive pole and the negative pole of cell piece are distributed in the tow sides of cell piece, and front and the back side of cell piece respectively set 4
Root main grid, cell piece concatenation direction is along parallel to compact battery piece short side direction concatenation, and specific establishment of component step is as follows：
(1) N-shaped double-sided solar battery is chosen, every piece of solar battery sheet is cut into 2 compact battery piece (size phases
Together), wherein the length and width of each the compact battery piece after cutting are inconsistent, including side long and short side, hem width width long is 156.75mm,
Short side wide cut is 78.38mm；
(2) by cutting after 12 compact battery pieces be mutually in series using conducting resinl and metallic copper band, the series connection of cell piece
Direction is, along parallel to compact battery piece short side direction concatenation, to be consequently formed 12 battery strings；
(3) according to order from bottom to up, by cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE, the back of the body
Plate material lays, and the length and width of wherein cover plate materials are inconsistent, including side long and short side, and the edge lengths long of cover plate materials are
1960mm, the short side width of cover plate materials is 1030mm, and battery strings are arranged successively along the short side parallel to cover plate materials, battery strings
Between be electrically connected and be combined to be connected in series and being connected in parallel, Fig. 5 is cell piece typesetting connection diagram in component；
(4) through including the operation treatment such as EL tests, lamination are post-processed, framed up, terminal box is installed after laying is completed, that is, it is obtained
High mechanical load components, test suite under the 5400Pa pressure of front pressure-bearing 3 hours power loss is less than 0.5% afterwards.
Embodiment 4
With embodiment 1, difference is the structure of the high mechanical load solar cell module that the present embodiment is provided：
The present embodiment uses the two-sided single crystal battery piece of p-type, and specific size is 156.75mm × 156.75mm, makes component, cell piece
Positive pole is distributed in the tow sides of cell piece with negative pole, and front and the back side of cell piece respectively set 4 main grids, battery strings concatenation side
Concatenated parallel to compact battery piece short side direction to edge.
Every piece of solar battery sheet is cut into 2 compact battery pieces (size is identical), wherein each after cutting is small-sized
The length and width of cell piece are inconsistent, including side long and short side, and hem width width long is 156.75mm, and short side wide cut is 78.38mm.
12 compact battery pieces after by cutting are mutually in series using tinned wird, and the series connection direction of cell piece is along parallel
In compact battery piece short side direction concatenation, 10 battery strings are consequently formed.
Spacing between wherein adjacent two compact batteries piece is 10mm.
The length and width of cover plate materials are inconsistent, including side long and short side, and the size on the side long of cover plate materials is 1960mm, cover plate
The size of the short side of material is 1030mm, and battery strings are arranged successively along the short side parallel to cover plate materials, the electricity between battery strings
Be connected as being connected in series and being connected in parallel being combined, and Fig. 6 is cell piece typesetting connection diagram in component.
The preparation method of the high mechanical load solar cell module that the present embodiment is provided, using the two-sided monocrystalline electricity of p-type
Pond makes component, and positive pole and the negative pole of cell piece are distributed in the tow sides of cell piece, and front and the back side of cell piece respectively set 4
Root main grid, battery strings concatenation direction is along parallel to compact battery piece short side direction concatenation, and specific establishment of component step is as follows：
(1) p-type double-sided solar battery is chosen, every piece of solar battery sheet is cut into 2 compact battery piece (size phases
Together), wherein the length and width of each the compact battery piece after cutting are inconsistent, including side long and short side, hem width width long is 156.75mm,
Short side wide cut is 78.38mm；
(2) by cutting after 12 compact battery pieces be mutually in series using tinned wird, the series connection direction of cell piece is edge
Parallel to compact battery piece short side direction concatenation, 10 battery strings are consequently formed；
(3) according to order from bottom to up, by cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE, the back of the body
Plate material lays, and the length and width of wherein cover plate materials are inconsistent, including side long and short side, and the edge lengths long of the cover plate materials are
1960mm, the short side width of the cover plate materials is 1030mm, and the battery strings are arranged successively along the short side parallel to cover plate materials
Cloth, being electrically connected between battery strings is combined to be connected in series and being connected in parallel, and Fig. 6 is that cell piece typesetting connection is shown in component
It is intended to；
(4) through including the operation treatment such as EL tests, lamination are post-processed, framed up, terminal box is installed after laying is completed, that is, it is obtained
High mechanical load components, test suite under the 7200Pa pressure of front pressure-bearing 3 hours power loss is less than 1% afterwards.
A part of specific embodiment is enumerated above, and the present invention will be described, it is necessary to it is pointed out here that be the specifically real above
Apply example and be served only for that the invention will be further described, do not represent limiting the scope of the invention.Other people are according to the present invention
Some the nonessential modifications and adjustment made still fall within protection scope of the present invention.
Claims (10)
1. a kind of high mechanical load solar cell module, including cover plate materials, EVA and/or POE, battery strings group, EVA and/
Or POE and back veneer material, it is characterized in that：The battery strings group is formed by connecting by multiple battery strings, and the battery strings are small by multiple
Type cell piece is in series, and the compact battery piece is formed by p-type or the cutting of N-shaped solar battery sheet, obtains some after cutting
The consistent compact battery piece of width, the length and width of each compact battery piece is different, and it includes side long and short side, and the lid
The length and width of plate material is different, and it also includes side long and short side.
2. high mechanical load solar cell module according to claim 1, it is characterized in that：The battery strings are by multiple
Same type of compact battery piece is in series, or the battery strings are by the compact battery piece series connection of multiple different types
Into.
3. high mechanical load solar cell module according to claim 2, it is characterized in that：The compact battery piece string
The direction of connection is direction of the edge parallel to compact battery piece short side, or the direction of compact battery piece series connection is along parallel to small
The direction on type battery length of a film side.
4. high mechanical load solar cell module according to claim 3, it is characterized in that：The compact battery piece string
The direction of connection is that then the arrangement of the battery strings is according to parallel to the cover plate material along the direction parallel to compact battery piece short side
Material short side direction arrangement, or the compact battery piece series connection direction be along parallel to compact battery length of a film side direction when,
The then arrangement of the battery strings is arranged according to the long side direction parallel to the cover plate materials.
5. high mechanical load solar cell module according to claim 4, it is characterized in that：The length of the cover plate materials
The size on side is 1000~2500mm, and the size of the short side of the cover plate materials is 500~1500mm.
6. high mechanical load solar cell module according to claim 1, it is characterized in that：The p-type or the N-shaped sun
Energy cell piece is one side photovoltaic cell piece, transparent two sides cell piece or the back contact solar cell piece of right angle or fillet.
7. high mechanical load solar cell module according to claim 6, it is characterized in that：The p-type or the N-shaped sun
The length and width size of energy cell piece is 100~200mm, and the size on the side long of the compact battery piece is 100~200mm,
The size of the short side of the compact battery piece is 18~90mm.
8. high mechanical load solar cell module according to claim 1, it is characterized in that：The multiple compact battery
Piece series connection using the connection of conductive material one side or two-sided connection, the conductive material be metal welding band, wire, conductive tape,
Conducting resinl, conductive adhesive film, electrocondution slurry or soldering paste, wherein the spacing between adjacent two compact batteries piece is 0.2~10mm.
9. high mechanical load solar cell module according to claim 1, it is characterized in that：The battery strings group is by more
Individual battery strings are connected and/or are connected in parallel.
10. the preparation method of the high mechanical load solar cell module described in any one of claim 1-9, it is characterized in that bag
Include following steps：
(1) p-type or N-shaped solar battery sheet are chosen, p-type or N-shaped solar battery sheet is cut into multiple compact battery pieces, cut
Obtain the consistent compact battery piece of some width after cutting, the length and width of each compact battery piece is different, it include side long and
Short side；
(2) by cutting after multiple compact battery pieces be mutually in series, form multiple battery strings, then by the connection of multiple battery strings, shape
Into battery strings group；
(3) according to order from bottom to up, by cover plate materials, EVA and/or POE, battery strings group, EVA and/or POE, backboard material
Material lays, wherein the length and width of the cover plate materials is different, it also includes side long and short side；
(4) through including that EL is tested, lamination is post-processed, framed up, the treatment of terminal box installation procedure after laying is completed, that is, Gao Kangji is obtained
Tool load solar cell module.
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