CN207977326U - A kind of package assembling for isosceles trapezoid cell piece - Google Patents
A kind of package assembling for isosceles trapezoid cell piece Download PDFInfo
- Publication number
- CN207977326U CN207977326U CN201820217150.1U CN201820217150U CN207977326U CN 207977326 U CN207977326 U CN 207977326U CN 201820217150 U CN201820217150 U CN 201820217150U CN 207977326 U CN207977326 U CN 207977326U
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- China
- Prior art keywords
- cell piece
- cell
- isosceles trapezoid
- interconnecting strip
- package assembling
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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
Abstract
The utility model is related to photovoltaic cell encapsulation technologies, it is desirable to provide a kind of package assembling for isosceles trapezoid cell piece.Including by preceding glued membrane and the back-adhesive film front glass and backboard Nian Jie with cell piece module, cell piece module is made of the cell piece of interconnecting strip, busbar and uniform specification respectively, each cell piece is in isosceles trapezoid and keeps gap between each other；With the opposite cell piece group for forming regular hexagon in its bottom, multiple cell piece groups arrange each two cell piece successively with bottom thereon is adjacent, and by interconnecting strip concatenation as the battery strings of strip；Parallel and interlaced arrangement between adjacent cell string, it is in honeycomb structure form to make the integral layout of cell piece；The interconnecting strip of each battery strings is connected to terminal box by busbar.The utility model can improve component output power, and reduce component cost under the premise of reducing encapsulating material cost input, improve the overall conversion efficiency of solar cell module.
Description
Technical field
The utility model is related to photovoltaic cell encapsulation technologies, more particularly, to a kind of encapsulation for isosceles trapezoid cell piece
Component.
Background technology
As the competition in photovoltaic module market is more and more fierce, the lean production of each link of photovoltaic seems more important.Silicon
The cost of piece accounts for 30% or so of all costs of material, and silicon rod (cylindric) cuts into mainstream silicon chip (approximating square) at present
When, it will produce more waste material.Since corner cannot be made full use of during incising circular crystal bar, the face of monolithic battery piece is caused
Product is too small, power is relatively low, and the component power of same cell piece quantity is relatively low therewith.To reduce the waste material of silicon rod, by silicon chip by close
Square is changed to hexagon, can promote single silicon chip area 16.1% or so.If pressing conventional batteries piece type-setting mode and traditional group
Part size uses hexagon cell piece, then cell piece dosage is few, and it is more to generate idle work region.So ensureing existing component
Under the premise of size constancy, to adapt to the hexagon silicon wafer raw material and combining cell piece microtomy, need to existing component
The cell piece typesetting of packaged type re-starts design, to ensure the optimization of component cost.
Utility model content
The technical problems to be solved in the utility model is to overcome deficiency in the prior art, is provided a kind of for isosceles ladder
The package assembling of shape cell piece.
To solve technical problem, the utility model solution is：
A kind of package assembling for isosceles trapezoid cell piece is provided, including the battery being installed between front glass and backboard
Piece module, cell piece module are Nian Jie with front glass and backboard by preceding glued membrane and back-adhesive film respectively；The cell piece module is by mutual
The cell piece of bracing, busbar and uniform specification forms, and each cell piece is in isosceles trapezoid and keeps gap between each other；Each two
Cell piece with the opposite cell piece group for forming regular hexagon in its bottom, arrange successively with bottom thereon is adjacent by multiple cell piece groups
Cloth, and by interconnecting strip concatenation as the battery strings of strip；Parallel and interlaced arrangement between adjacent cell string, i.e., the same battery strings
The white space of angle is filled with the protrusion angle of adjacent cell Chuan Zhong cell pieces group between middle adjacent cell piece group, makes electricity
The integral layout of pond piece is in honeycomb structure form；The interconnecting strip of each battery strings is connected to terminal box by busbar；It is described etc.
The trapezoidal cell piece of waist is cut along its opposite endpoint line by regular hexagon cell piece and is made, on each isosceles trapezoid cell piece
Main grid, secondary grid and boundary grid line are set.
In the present invention, the interconnecting strip is in zigzag, including the long side of both sides and intermediate bending part, the same battery strings
In the interconnecting strip that is mutually parallel by least two between adjacent cell piece realize connection, the length side of interconnecting strip and battery strings
To consistent；Specifically connection type is：Keep gap between the adjacent bottom of two cell pieces or upper bottom, first cell piece by
One long edge lap of smooth surface and interconnecting strip, another long edge lap of the shady face and interconnecting strip of second cell piece.
It is realized and is connected by three interconnecting strips being mutually parallel between adjacent cell piece in the present invention, in the same battery strings
It connects.
In the present invention, the front glass is the pattern glass for being coated with antireflective film.
In the present invention, the width of the interconnecting strip is 1.2mm, thickness 0.25mm.
In the present invention, the upper bottom length of the isosceles trapezoid cell piece is 52.5mm, and bottom length is 105mm, a height of
90.585mm。
In the present invention, the outer rim of aluminum alloy material is set in the outer edge of front glass and backboard.
Compared with prior art, the utility model has the beneficial effects that：
The utility model can improve component output power, and reduce component under the premise of reducing encapsulating material cost input
Cost.In the case where component package material cost increases minimum, compared with using the mainstream silicon chip of approximating square, reduce
2.72% component cost；Compared with the cell piece for using regular hexagon merely, electrical property can improve 9.76%.Due to improving
The overall conversion efficiency of solar cell module, the utility model have more the market competitiveness.
Description of the drawings
Fig. 1 is the schematic diagram of the regular hexagon cell piece before slice；
Fig. 2 is the isosceles trapezoid cell piece of the utility model；
Fig. 3 is the schematic diagram using the battery strings typesetting of isosceles trapezoid cell piece；
Fig. 4 is the schematic diagram of the part of isosceles trapezoid cell piece component.
Fig. 5 is isosceles trapezoid cell piece and interconnecting strip connection diagram.
Reference sign：1 regular hexagon cell piece；2 isosceles trapezoid cell pieces；3 break areas；4 main grids；5 front glasses；
Glued membrane before 6；7 back-adhesive films；8 backboards；9 interconnecting strips；10 busbars；11 terminal boxes.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be understood by the person skilled in the art with feature, it is apparent bright to be made to the scope of protection of the utility model
True defines.
The package assembling for isosceles trapezoid cell piece in the utility model include be installed in front glass 4 and backboard 8 it
Between cell piece module, the outer edge of front glass 4 and backboard 8 be arranged aluminum alloy material outer rim.Front glass 4 is to be coated with to subtract
The pattern glass of anti-film, be set to cell piece light-receiving surface side, prevent the electric conductors such as cell piece, interconnecting strip 9 and busbar 10 by
The destruction of moisture attacks or other natural calamities；Backboard 8 is the backboard using low permeability rate.Cell piece module passes through preceding glue respectively
Film 6 and back-adhesive film 7 are Nian Jie with front glass 5 and backboard 8.Cell piece is the component for converting light energy into electric energy, conductive material
Interconnecting strip 9 connects together adjacent cell piece, plays the transmission function of current.Busbar 10 for internal current transmit or
It is connected with terminal box 11 so that electric current is output to component external.
Cell piece module is made of interconnecting strip 9, busbar 10 and the isosceles trapezoid cell piece 3 of uniform specification, each battery
Piece is in isosceles trapezoid and keeps gap between each other；Each two cell piece is small with the opposite cell piece for forming regular hexagon in its bottom
Group, multiple cell piece groups arrange successively with bottom thereon is adjacent, and by the concatenation of interconnecting strip 9 as the battery strings of strip；Adjacent electricity
Parallel and interlaced arrangement between the string of pond, i.e., in the same battery strings between adjacent cell piece group the white space of angle with phase
The protrusion angle filling of cell piece group in adjacent battery strings, it is in honeycomb structure form to make the integral layout of cell piece；Each battery strings
Interconnecting strip 9 is connected to terminal box 11 by busbar 10.
Isosceles trapezoid cell piece 2 is cut along its opposite endpoint line by regular hexagon cell piece and is made, each isosceles trapezoid
Main grid 4, secondary grid and boundary grid line are respectively provided on cell piece 2.Before cutting, on the boundary of two neighboring isosceles trapezoid cell piece 3
Retain 0~2.0mm (preferably 1.0mm) between grid line to be spaced as break area 3.
Interconnecting strip 6 is in zigzag, including the long side of both sides and intermediate bending part, example of size are width 1.2mm, thickness
Degree is 0.25mm.Connection is realized by three interconnecting strips being mutually parallel 9, mutually in the same battery strings between adjacent cell piece
Bracing 9 is consistent with the length direction of battery strings；Specifically connection type is：It is kept between the adjacent bottom of two cell pieces or upper bottom
Gap, a long edge lap of the light-receiving surface and interconnecting strip of first cell piece, shady face and the interconnecting strip 9 of second cell piece
Another long edge lap.
Using example 1：
In the package assembling of isosceles trapezoid cell piece, the size of front glass is：Long 1530mm, wide 986mm, thickness 3.2mm；
The upper bottom length of isosceles trapezoid cell piece is 105mm, and bottom length is 210mm, a height of 90.585mm.White high reflective gum
7 thickness of film is 0.45mm, the width 4mm of main grid 4, mutual associated 9 width 1.2mm.
Using example 2：
Under the same conditions, the package assembling of isosceles trapezoid cell piece can increase the effective area of cell piece, by former rectangle
Half cell piece area 12285.28mm2(long 156.75mm, wide 78.375mm) is promoted to 14267.14mm2, the increasing of monolithic battery piece
Add 16.1%, the overall output power of solar cell module has been effectively improved, to improve solar cell module
Overall conversion efficiency.This programme component cost is by conventional 60 components by the near 2.66 yuan/W of 2.73 yuan/W, cost reduction ratio
2.72%.Related data are referring to table 1,2.
Table 1：Encapsulating material expense counts
Table 2：Component cost statistics table
In addition, component is designed to that isosceles trapezoid can reduce the non-power generation area of component, and then further decrease component cost.
If size of components increases, more cell pieces can be packed into, component overall cost can also reduce.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, this reality is novel to be not intended to be limited to these embodiments as described herein, and be to fit to principles disclosed herein and
The consistent widest range of features of novelty.
Claims (7)
1. a kind of package assembling for isosceles trapezoid cell piece, including the cell piece mould that is installed between front glass and backboard
Group, cell piece module are Nian Jie with front glass and backboard by preceding glued membrane and back-adhesive film respectively；It is characterized in that, the cell piece mould
Group is made of the cell piece of interconnecting strip, busbar and uniform specification, and each cell piece is in isosceles trapezoid and keeps gap between each other；
Each two cell piece with the opposite cell piece group for forming regular hexagon in its bottom, multiple cell piece groups with bottom thereon it is adjacent according to
Secondary arrangement, and by interconnecting strip concatenation as the battery strings of strip；Parallel and interlaced arrangement between adjacent cell string, i.e., the same electricity
The white space of angle is filled with the protrusion angle of adjacent cell Chuan Zhong cell pieces group between adjacent cell piece group in the string of pond,
It is in honeycomb structure form to make the integral layout of cell piece；The interconnecting strip of each battery strings is connected to terminal box by busbar；Institute
The cell piece for stating isosceles trapezoid cuts obtained, each isosceles trapezoid cell piece along its opposite endpoint line by regular hexagon cell piece
On be respectively provided with main grid, secondary grid and boundary grid line.
2. package assembling according to claim 1, which is characterized in that the interconnecting strip is in zigzag, includes the long side of both sides
With intermediate bending part, the interconnecting strip being mutually parallel by least two between adjacent cell piece in the same battery strings is realized
Connection, interconnecting strip are consistent with the length direction of battery strings；Specifically connection type is：The adjacent bottom of two cell pieces or upper bottom it
Between keep gap, a long edge lap of the light-receiving surface and interconnecting strip of first cell piece, the shady face of second cell piece with
Another long edge lap of interconnecting strip.
3. package assembling according to claim 1, which is characterized in that in the same battery strings between adjacent cell piece
Connection is realized by three interconnecting strips being mutually parallel.
4. package assembling according to claim 1, which is characterized in that the front glass is the embossing glass for being coated with antireflective film
Glass.
5. package assembling according to claim 1, which is characterized in that the width of the interconnecting strip is 1.2mm, and thickness is
0.25mm。
6. package assembling according to claim 1, which is characterized in that the upper bottom length of the isosceles trapezoid cell piece is
52.5mm, bottom length are 105mm, a height of 90.585mm.
7. package assembling according to claim 1, which is characterized in that aluminium alloy is arranged in the outer edge of front glass and backboard
The outer rim of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217150.1U CN207977326U (en) | 2018-02-07 | 2018-02-07 | A kind of package assembling for isosceles trapezoid cell piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217150.1U CN207977326U (en) | 2018-02-07 | 2018-02-07 | A kind of package assembling for isosceles trapezoid cell piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977326U true CN207977326U (en) | 2018-10-16 |
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| CN201820217150.1U Active CN207977326U (en) | 2018-02-07 | 2018-02-07 | A kind of package assembling for isosceles trapezoid cell piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649116A (en) * | 2019-09-30 | 2020-01-03 | 常州斯威克光伏新材料有限公司 | Multilayer packaging adhesive film for solar cell |
-
2018
- 2018-02-07 CN CN201820217150.1U patent/CN207977326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649116A (en) * | 2019-09-30 | 2020-01-03 | 常州斯威克光伏新材料有限公司 | Multilayer packaging adhesive film for solar cell |
| CN110649116B (en) * | 2019-09-30 | 2023-06-09 | 常州斯威克光伏新材料有限公司 | Multilayer packaging adhesive film for solar cell |
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