CN109560155A - Solar cell module and its manufacturing method - Google Patents
Solar cell module and its manufacturing method Download PDFInfo
- Publication number
- CN109560155A CN109560155A CN201811637220.XA CN201811637220A CN109560155A CN 109560155 A CN109560155 A CN 109560155A CN 201811637220 A CN201811637220 A CN 201811637220A CN 109560155 A CN109560155 A CN 109560155A
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- cell piece
- composite members
- piece
- encapsulating material
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 233
- 239000002131 composite material Substances 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims description 60
- 238000005452 bending Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims 2
- 230000008023 solidification Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 241000446313 Lamella Species 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L31/0508—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 the interconnection means having a particular shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention provides a kind of manufacturing method of solar cell module, include the following steps: to provide preceding composite members, preceding composite members include foreboard and the first welding layer for being fixed on the first surface of foreboard；Composite members after offer, rear composite members include backboard and the second welding layer for being fixed on the second surface of backboard；Several cell pieces are provided, and cell piece is placed between first surface and second surface, to obtain part to be laminated；Cell piece is corresponding with the position of welding in the first welding layer and the second welding layer；Pressure on part thickness direction to be laminated is provided, preceding composite members, cell piece and rear composite members are fixed as one, to obtain solar cell module.It is easy to operate without traditional welding process in the solar cell module and its manufacturing method, reduce the loss of cell piece, the discharge of cell piece is simple, improves the production efficiency of solar cell module.
Description
Technical field
The present invention relates to solar photovoltaic technology field more particularly to a kind of solar cell module and its manufacturers
Method.
Background technique
The laminating process of solar cell module is the important component of solar cell assembly manufacturing process.It is existing
The laminating technology of solar cell module is by foreboard, preceding packaging adhesive film, solar battery string layer, post package glue film and backsheet layer
It stacks after being placed in laminating machine, by vacuumizing the air extraction in solar cell module in laminating machine, then heats
Make packaging adhesive film fusing that solar battery string layer, foreboard and back-panel glass to bond together.
Wherein, solar battery string layer is then to connect to obtain using typesetting by welding of battery film bunchiness.It crosses herein
Cheng Zhong, the adverse effects such as each stage is likely to cause cell piece loss, processing procedure is done over again, reduces the life of solar cell module
Produce speed.
In view of this, it is necessary to a kind of improved solar cell module and its manufacturing method are designed, to solve above-mentioned ask
Topic.
Summary of the invention
The purpose of the present invention is to provide it is a kind of reduction cell piece loss, improve production efficiency solar cell module and
Its manufacturing method.
For achieving the above object, the present invention provides a kind of manufacturing method of solar cell module, including it is as follows
Step:
The preceding composite members of light-permeable are provided, the preceding composite members include foreboard and are fixed on the first surface of the foreboard
The first welding layer, the first welding layer includes several first welding groups, and the first welding group includes several is alternatively arranged
The first welding；
Composite members after offer, the rear composite members include backboard and the second weldering being fixed on the second surface of the backboard
Belt, the second welding layer include several second welding groups, and the second welding group includes several spaced second welderings
Band；Wherein, at least one of first welding, second welding are formed at its end connects made of composite members bending
Socket part；
Several cell pieces are provided, and the cell piece is placed between the first surface and the second surface, with
Obtain part to be laminated；Several cell pieces are aligned to several cell piece strings arranged side by side, the cell piece and described the
One welding group and the second welding group position are corresponding, and the front main grid of the cell piece is contacted with first welding, described
The back side main grid of cell piece is contacted with second welding；
Pressure on the part thickness direction to be laminated is provided, by the preceding composite members, the cell piece and described
Composite members are fixed as one afterwards, to obtain solar cell module；Wherein, for the two neighboring electricity on same cell piece string
Pond piece passes through the interconnecting piece with the second welding for being located at another cell piece back side positioned at positive first welding of a cell piece
Realize interconnection.
As a further improvement of the present invention, the foreboard includes preceding light-transmitting plate and is fixed on the preceding light-transmitting plate side table
First encapsulating material layer in face, the first surface are the side table that first encapsulating material layer deviates from the preceding light-transmitting plate
Face；The backboard includes back support plate and the second encapsulating material layer for being fixed on one side surface of back support plate, and described second
Surface is the side surface that second encapsulating material layer deviates from the back support plate.
As a further improvement of the present invention, the manufacturing method of the solar cell module further include:
Set temperature is provided while pressure is provided, so that the weldering of first welding and second welding surface
Material fusing is connect, so that the two realizes welding；Wherein, under the set temperature, first encapsulating material layer and described the
The fusing of two encapsulating material layers.
As a further improvement of the present invention, it is described by cell piece be placed in the first surface and the second surface it
Between, comprising:
Select the preceding composite members and it is described after one of composite members arrange bottom plate as cell piece, and by the cell piece
The one side that arrangement bottom plate is equipped with welding is placed upward；
Cell piece is placed on to each welding group position on the cell piece arrangement bottom plate one by one, wherein welding packet
The part to be welded beyond cell piece edge is included, if the part to be welded is non-bending, the length of the part to be welded
Degree is greater than the thickness of welding and is less than the spacing in same cell piece string between two neighboring cell piece；If the part to be welded
For bending, then there are gaps between the part to be welded and cell piece edge；
The other of the preceding composite members and the rear composite members are placed on the cell piece as upper cover plate.
As a further improvement of the present invention, the welding on the cell piece arrangement bottom plate has connects made of bending
Portion, the welding on the upper cover plate are linearly extended.
It is as a further improvement of the present invention, described that the preceding composite members of light-permeable are provided, comprising:
The preceding light-transmitting plate is provided；
First encapsulating material layer is provided and is placed on one side surface of preceding light-transmitting plate；
Several first weldings are provided, and are arranged on one side surface of the first encapsulating material layer, constituting includes several the
First welding layer of one welding group, wherein the spacing and electricity between two adjacent weldings in each described first welding group
Spacing between two adjacent front main grids of pond on piece is consistent；
First encapsulating material layer is heated and is solidified so as to cool down after its fusing, so that the preceding light-transmitting plate, institute
It states the first encapsulating material layer and the first welding layer is complex as a whole；
Composite members after the offer, comprising:
The back support is provided；
Second encapsulating material layer is provided and is placed on one side surface of back support；
Several second weldings are provided, and are arranged on one side surface of the second encapsulating material layer, constituting includes several the
Second welding layer of two welding groups, wherein the spacing and electricity between two adjacent weldings in each described second welding group
Spacing between two adjacent back side main grids of pond on piece is consistent；
Second encapsulating material layer is heated and is solidified so as to cool down after its fusing, so that the back support, institute
It states the second encapsulating material layer and the second welding layer is complex as a whole.
As a further improvement of the present invention, on the thickness direction of the part to be laminated, the interconnecting piece exceeds welding
The height of contact surface between cell piece is greater than the thickness of the cell piece.
As a further improvement of the present invention, size of first welding in its orientation is less than second weldering
Size of the band in its orientation.
For achieving the above object, the present invention also provides a kind of solar cell modules, comprising:
Preceding composite members, the preceding composite members include foreboard and the first welding for being fixed on the first surface of the foreboard
Layer, the first welding layer includes several first welding groups, and the first welding group includes several spaced first weldings；
Composite members afterwards, the second welding that the rear composite members include backboard and are fixed on the second surface of the backboard
Layer, the second welding layer includes several second welding groups, and the second welding group includes several spaced second weldings；
Wherein, at least one of first welding, second welding are formed with the connection made of composite members bending at its end
Portion；
Several cell pieces between the first surface and the second surface, several cell pieces are aligned to
Several cell piece strings arranged side by side, the cell piece is corresponding with the first welding group and the second welding group position, institute
The front main grid for stating cell piece is contacted with first welding, and the back side main grid of the cell piece is contacted with second welding；
For the two neighboring cell piece on same cell piece string, it is located at positive first welding of a cell piece and is located at another battery
Second welding at the piece back side realizes interconnection by the interconnecting piece.
As a further improvement of the present invention, the foreboard includes preceding light-transmitting plate and is fixed on the preceding light-transmitting plate side table
First encapsulating material layer in face, the first surface are the side table that first encapsulating material layer deviates from the preceding light-transmitting plate
Face；The backboard includes back support plate and the second encapsulating material layer for being fixed on one side surface of back support plate, and described second
Surface is the side surface that second encapsulating material layer deviates from the back support plate.
The beneficial effects of the present invention are:
The manufacturing method of solar cell module of the invention is preceding by the way that foreboard to be wholely set with several first weldings
Back plate and several second weldings are wholely set as rear composite members, several cell pieces are corresponded to several first weldings by composite members
It is arranged between preceding composite members and rear composite members with the position of several second weldings, by the first welding, the second welding
The end of at least one, which is formed, realizes adjacent cell piece interconnection away from interconnecting piece made of composite members bending.According to the sun
Without traditional welding process, operation letter in solar cell module made from the manufacturing method of energy battery component and its manufacturing method
It is single, reduce the loss of cell piece, the discharge of cell piece is simple, improves the production efficiency of solar cell module.
Detailed description of the invention
Fig. 1 is the flow chart of the manufacturing method of solar cell module of the present invention.
Fig. 2 is the flow chart being put into cell piece between first surface and second surface.
Fig. 3 is a kind of structural schematic diagram of embodiment of solar cell module of the present invention.
Fig. 4 is the decomposition diagram of solar cell module of the present invention.
Fig. 5 is the structural schematic diagram of the another embodiment of solar cell module of the present invention.
Fig. 6 is that solar cell module of the present invention removes the structural schematic diagram after foreboard and back plate.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show the structure and/or processing step closely related with the solution of the present invention, and be omitted with relationship of the present invention less its
His details.
In addition, it should also be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
It please refers to shown in Fig. 1 to Fig. 6, the present invention provides a kind of manufacturing method of solar cell module, including it is as follows
Step:
The preceding composite members 10 of light-permeable are provided, preceding composite members 10 include foreboard 11 and are fixed on the first surface of foreboard 11
The first welding layer, the first welding layer includes several first welding groups 120, and the first welding group 120 includes several spaced
First welding 12；
Composite members 30 after offer, rear composite members 30 include backboard 31 and the second weldering being fixed on the second surface of backboard 31
Belt, the second welding layer include several second welding groups 320, and the second welding group 320 includes several spaced second weldings
32；Wherein, at least one of the first welding 12, second welding 32 are formed at its end connects made of composite members bending
Socket part；
Several cell pieces 21 are provided, and cell piece 21 is placed between first surface and second surface, to obtain to layer
Casting die；Several cell pieces 21 are aligned to several cell piece strings arranged side by side, cell piece and the first welding group 120 and the second weldering
320 positions of band group are corresponding, and the front main grid of cell piece is contacted with the first welding 12, the back side main grid of cell piece and the second welding 32
Contact；
Pressure on part thickness direction to be laminated is provided, preceding composite members 10, cell piece 21 and rear composite members 30 are consolidated
It is set to one, to obtain solar cell module 100；Wherein, for the two neighboring cell piece on same cell piece string, position
It is realized mutually with the second welding 32 for being located at another cell piece back side by interconnecting piece in positive first welding 12 of a cell piece
Connection.
In this way, the welding process of not traditional cell piece reduces in the manufacturing process of entire solar cell module
The loss of cell piece 21 improves the production efficiency of solar cell module 100.
Wherein, the first encapsulating material layer of 111 1 side surface of light-transmitting plate before foreboard 11 includes preceding light-transmitting plate 111 and is fixed on
112, first surface is the side surface that the first encapsulating material layer deviates from preceding light-transmitting plate 111, that is, first surface is towards cell piece
21 side surface；Backboard 31 includes back support plate 311 and the second encapsulating material layer for being fixed on 311 1 side surface of back support plate
312, second surface is the side surface that the second encapsulating material layer 312 deviates from back support plate 311, that is, second surface is towards electricity
One side surface of pond piece 21.
Wherein, as shown in Fig. 2, cell piece 21 is placed between first surface and second surface, include the following steps:
Selected one of preceding composite members 10 and rear composite members 30 arrange the cell piece as cell piece arrangement bottom plate
The one side that bottom plate is equipped with welding is placed upward；
Cell piece 21 is placed on each welding group position on cell piece arrangement bottom plate one by one；
Wherein, welding includes the part to be welded beyond cell piece edge, if part to be welded is non-bending, such as Fig. 3
In, part to be welded is the interconnecting piece 321 on the second welding 32, then the length of interconnecting piece 321 needs to be greater than the thickness of welding simultaneously
Less than the spacing between two neighboring cell piece in same cell piece string；In this way, guaranteeing that the second welding 32 can be with the first welding
While 12 connection, avoiding contacting with adjacent cell piece leads to short circuit；
If part to be welded is bending, in Fig. 3, part to be welded is the interconnecting piece 121 on the first welding 12, then connects
There are gaps between socket part 121 and the edge of cell piece 21；In order to which the first welding 12 and the second welding 32 weld.
The other of preceding composite members 10 and rear composite members 30 are placed on cell piece as upper cover plate.
Preferably, as shown in figure 5, the part to be welded 321` in cell piece arrangement bottom plate (rear composite members 30) is bending
, the interconnecting piece 121` of the welding in preceding composite members 10 is non-bending.So set, being convenient for the first welding 12 and the second welding
32 smoothly alignment, it is easy to operate, avoid due to the gap between cell piece is small and it is adjacent to cause interconnecting piece that can not be properly inserted
Gap between cell piece leads to not the case where welding.It is of course also possible to it regard preceding composite members 10 as cell piece arrangement bottom plate,
Correspondingly, the part to be welded of the first welding 12 is disposed as bending, set non-for the socket part to be welded of the second welding 32
Bending.
Preferably, the manufacturing method of solar cell module further include:
Set temperature is provided while pressure is provided, so that the welding material on 32 surface of the first welding 12 and the second welding
Material fusing, so that the two realizes welding；Wherein, at a set temperature, the first encapsulating material layer 112 and the second encapsulating material layer
312 fusings.
Wherein, the preceding composite members 10 of light-permeable are provided, are included the following steps:
Light-transmitting plate 111 before providing；
Before first encapsulating material layer 112 is provided and is placed on 111 1 side surface of light-transmitting plate；
Several first weldings 12 are provided, and are arranged on 112 1 side surface of the first encapsulating material layer, constituting includes several the
First welding layer of one welding group 120, wherein spacing between two adjacent weldings in each first welding group 120 with
Spacing on cell piece between two adjacent front main grids is consistent；
First encapsulating material layer 112 is heated and is solidified so as to cool down after its fusing, so that preceding light-transmitting plate 111, first
Encapsulating material layer 112 and the first welding layer are complex as a whole.
Wherein, rear composite members 30 are provided, are included the following steps:
Back support 311 is provided；
Second encapsulating material layer 312 is provided and is placed on 311 1 side surface of back support；
Several second weldings 32 are provided, and are arranged on 312 1 side surface of the second encapsulating material layer, constituting includes several the
Second welding layer of two welding groups 320, wherein spacing between two adjacent weldings in each second welding group 320 with
Spacing on cell piece between two adjacent back side main grids is consistent；
Second encapsulating material layer 312 is heated and is solidified so as to cool down after its fusing, so that back support 311, second
Encapsulating material layer 312 and the second welding layer are complex as a whole.
Particularly, on the thickness direction of part to be laminated (direction as shown by the arrows in Figure 3), interconnecting piece is beyond welding and electricity
The height of contact surface between the piece of pond is greater than the thickness of cell piece.So set, ensure that interconnecting piece can connect with another welding
Touching, it is ensured that realize the welding between adjacent cell piece.
The quantity of first welding 12 of single first welding group 120 is identical as the quantity of the front main grid of single battery piece；
The quantity of second welding 32 of single second welding group 320 is identical as the quantity of back side main grid of single battery piece.And first welds
Size with 12 in the size in its orientation less than the second welding 32 in its orientation.So set, minimizing
First welding 12 blocks front incident light, improves the generating efficiency of solar cell module 100.
Please refer to shown in Fig. 3 to Fig. 6, the present invention also provides a kind of solar cell modules 100, including from top to bottom according to
The secondary preceding composite members 10 being stacked, battery lamella 20 and rear composite members 30.Preceding composite members 10 include foreboard 11 and are fixed on
Several first weldings 12 on foreboard 11, rear composite members 30 include backboard 31 and several second weldings being fixed on backboard 31
32.First encapsulating material layer 112 of 111 1 side surface of light-transmitting plate, the first table before foreboard 11 includes preceding light-transmitting plate 111 and is fixed on
Face is the side surface that the first encapsulating material layer deviates from preceding light-transmitting plate 111, that is, first surface is the side table towards cell piece 21
Face.Backboard 31 includes back support plate 311 and the second encapsulating material layer 312 for being fixed on 311 1 side surface of back support plate, the second table
Face is the side surface that the second encapsulating material layer 312 deviates from back support plate 311, that is, second surface is towards the one of cell piece 21
Side surface.
Battery lamella 20 include several cell pieces 21 set in a row, each cell piece 21 and one group of first welding 12 and
Second welding 32 is correspondingly arranged, in two be disposed adjacent group the first welding 12 and the second welding 32, wherein one group of the first welding
12 are in contact with another group of the second welding 32.
Specifically, the position of the first welding 12 is corresponded to each other with the position of the front main grid of cell piece 21.Second welding
32 position is corresponded to each other with the position of the back side main grid of cell piece 21.In two cell pieces 21 being disposed adjacent, correspond to one
The first welding 12 that a cell piece 21 is arranged is in contact with the second welding 32 for corresponding to the setting of another cell piece 21.In this reality
It applies in example, in the junction of two adjacent cell pieces 21, the one end for the first welding 12 that each cell piece 21 is correspondingly arranged
Equipped with the interconnecting piece 121 that downward bending extends towards 32 direction of the second welding that adjacent cell piece 21 is correspondingly arranged, the second welding
32 one end, which is equipped with, is more than that 21 edge of cell piece continues the interconnecting piece 321 extended so that the first welding 12 and the second welding 32 it
Between be in contact, to realize the electric connection of adjacent cell piece 21.
It should be noted that the interconnecting piece to the 12 direction projection of the first welding can also only be arranged on the second welding 32
321, or interconnecting piece 321 is set on the second welding of part 32, interconnecting piece 121 is set on the first welding of part 12, is only needed
Guarantee, is set on two cell pieces being disposed adjacent, 21 corresponding two groups of first weldings 12 and at least one welding in the second welding 32
There is the interconnecting piece of the welding projection being set on different composite part towards adjacent cell piece 21, to realize adjacent cell piece 21
Electric connection.That is, two group of first welding 12 is equipped with at least one first welding 12 in the second welding 32 towards corresponding
It is equipped in the interconnecting piece 121 of the 32 direction projection of the second welding of adjacent cell piece 21 or at least one second welding 32
Towards the interconnecting piece 321 for the 12 direction projection of the first welding for corresponding to adjacent cell piece 21.It is, of course, also possible to simultaneously in groups
Interconnecting piece to the welding direction projection being correspondingly arranged is set on the first welding 12 and the second welding 32 being arranged.
Wherein, the first welding 12 and the second welding 32 use low temperature scolding tin, so set, in lamination process, the
One welding 12 is Nian Jie with the front main grid of cell piece 21 and back side main grid respectively with 32 melted by heating of the second welding, several to realize
The welding of cell piece 21.
In conclusion the manufacturing method of solar cell module of the invention is by by foreboard 11 and several first weldings 12
It is wholely set as preceding composite members 10, back plate 31 and several second weldings 32 is wholely set as rear composite members 30, if by dry cell
The position that piece 21 corresponds to several first weldings 12 and several second weldings 32 be arranged in preceding composite members 10 and rear composite members 30 it
Between, it is connected made of composite members bending by being formed in the end of at least one of the first welding 12, the second welding 32
Portion is to realize that adjacent cell piece 21 interconnects.Welding without traditional cell piece in the solar cell module and its manufacturing method
Process, it is easy to operate, reduce the loss of cell piece 21, the discharge of cell piece 21 is simple, improves solar cell module 100
Production efficiency.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of manufacturing method of solar cell module, which comprises the steps of:
The preceding composite members of light-permeable are provided, the preceding composite members include foreboard and be fixed on the first surface of the foreboard the
One welding layer, the first welding layer include several first welding groups, and the first welding group includes several spaced
One welding；
Composite members after offer, the second welding that the rear composite members include backboard and are fixed on the second surface of the backboard
Layer, the second welding layer includes several second welding groups, and the second welding group includes several spaced second weldings；
Wherein, at least one of first welding, second welding are formed with the connection made of composite members bending at its end
Portion；
Several cell pieces are provided, and the cell piece is placed between the first surface and the second surface, to obtain
Part to be laminated；Several cell pieces are aligned to several cell piece strings arranged side by side, the cell piece and first weldering
Band group and the second welding group position are corresponding, and the front main grid of the cell piece is contacted with first welding, the battery
The back side main grid of piece is contacted with second welding；
Pressure on the part thickness direction to be laminated is provided, will the preceding composite members, the cell piece and it is described after answer
Component is fixed as one, to obtain solar cell module；Wherein, for the two neighboring battery on same cell piece string
Piece passes through the interconnecting piece reality with the second welding for being located at another cell piece back side positioned at positive first welding of a cell piece
Now interconnect.
2. the manufacturing method of solar cell module according to claim 1, it is characterised in that: the foreboard includes preceding
Tabula rasa and the first encapsulating material layer for being fixed on one side surface of preceding light-transmitting plate, the first surface are first package material
The bed of material deviates from a side surface of the preceding light-transmitting plate；The backboard includes back support plate and is fixed on back support plate side table
Second encapsulating material layer in face, the second surface are the side table that second encapsulating material layer deviates from the back support plate
Face.
3. the manufacturing method of solar cell module according to claim 2, it is characterised in that: the solar battery group
The manufacturing method of part further include:
Set temperature is provided while pressure is provided, so that the welding material of first welding and second welding surface
Material fusing, so that the two realizes welding；Wherein, under the set temperature, first encapsulating material layer and second envelope
The fusing of package material layer.
4. the manufacturing method of solar cell module according to claim 1, it is characterised in that: described to place cell piece
Between the first surface and the second surface, comprising:
One of the preceding composite members and the rear composite members are selected as cell piece arrangement bottom plate, and the cell piece is arranged
The one side that bottom plate is equipped with welding is placed upward；
Cell piece is placed on to each welding group position on the cell piece arrangement bottom plate one by one, wherein welding includes super
The part to be welded at cell piece edge out, if the part to be welded is non-bending, the length of the part to be welded is big
In welding thickness and be less than the spacing in same cell piece string between two neighboring cell piece；If the part to be welded is curved
Folding, then there are gaps between the part to be welded and cell piece edge；
The other of the preceding composite members and the rear composite members are placed on the cell piece as upper cover plate.
5. the manufacturing method of solar cell module according to claim 4, it is characterised in that: cell piece arrangement bottom
Welding on plate has interconnecting piece made of bending, and the welding on the upper cover plate is linearly extended.
6. the manufacturing method of solar cell module according to claim 2, it is characterised in that: the offer light-permeable
Preceding composite members, comprising:
The preceding light-transmitting plate is provided；
First encapsulating material layer is provided and is placed on one side surface of preceding light-transmitting plate；
Several first weldings are provided, and are arranged on one side surface of the first encapsulating material layer, constituting includes several first welderings
The first welding layer with group, wherein the spacing and cell piece between two adjacent weldings in each described first welding group
Spacing between upper two adjacent front main grids is consistent；
First encapsulating material layer is heated so that the solidification that cools down after its fusing, so that the preceding light-transmitting plate, described the
One encapsulating material layer and the first welding layer are complex as a whole；
Composite members after the offer, comprising:
The back support is provided；
Second encapsulating material layer is provided and is placed on one side surface of back support；
Several second weldings are provided, and are arranged on one side surface of the second encapsulating material layer, constituting includes several second welderings
The second welding layer with group, wherein the spacing and cell piece between two adjacent weldings in each described second welding group
Spacing between upper two adjacent back side main grids is consistent；
Second encapsulating material layer is heated so that the solidification that cools down after its fusing, so that the back support, described the
Two encapsulating material layers and the second welding layer are complex as a whole.
7. the manufacturing method of solar cell module according to claim 1, it is characterised in that: in the part to be laminated
On thickness direction, the interconnecting piece is greater than the thickness of the cell piece beyond the height of the contact surface between welding and cell piece.
8. the manufacturing method of solar cell module according to claim 1, it is characterised in that: first welding is at it
Size in orientation is less than size of second welding in its orientation.
9. a kind of solar cell module, it is characterised in that: include:
Preceding composite members, the preceding composite members include foreboard and the first welding layer for being fixed on the first surface of the foreboard, institute
Stating the first welding layer includes several first welding groups, and the first welding group includes several spaced first weldings；
Composite members afterwards, the second welding layer that the rear composite members include backboard and are fixed on the second surface of the backboard, institute
Stating the second welding layer includes several second welding groups, and the second welding group includes several spaced second weldings；Wherein,
At least one of first welding, second welding are formed with the interconnecting piece made of composite members bending at its end；
Several cell pieces between the first surface and the second surface, several cell pieces are aligned to several
Cell piece string arranged side by side, the cell piece is corresponding with the first welding group and the second welding group position, the electricity
The front main grid of pond piece is contacted with first welding, and the back side main grid of the cell piece is contacted with second welding；For
Two neighboring cell piece on same cell piece string is located at positive first welding of a cell piece and carries on the back with another cell piece is located at
Second welding in face realizes interconnection by the interconnecting piece.
10. solar cell module according to claim 9, it is characterised in that: the foreboard includes preceding light-transmitting plate and consolidates
It is scheduled on the first encapsulating material layer of one side surface of preceding light-transmitting plate, the first surface is that first encapsulating material layer deviates from
One side surface of the preceding light-transmitting plate；The backboard includes back support plate and is fixed on the second of one side surface of back support plate
Encapsulating material layer, the second surface are the side surface that second encapsulating material layer deviates from the back support plate.
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| CN201811637220.XA CN109560155B (en) | 2018-12-29 | 2018-12-29 | Solar cell module and method for manufacturing same |
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| CN201811637220.XA CN109560155B (en) | 2018-12-29 | 2018-12-29 | Solar cell module and method for manufacturing same |
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Address after: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Applicant after: CSI CELLS Co.,Ltd. Applicant after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Applicant after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Applicant before: CSI Cells Co.,Ltd. Applicant before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Applicant before: CSI SOLAR POWER GROUP Co.,Ltd. |
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