CN208093573U - A kind of Double-sided battery pack - Google Patents
A kind of Double-sided battery pack Download PDFInfo
- Publication number
- CN208093573U CN208093573U CN201820720815.0U CN201820720815U CN208093573U CN 208093573 U CN208093573 U CN 208093573U CN 201820720815 U CN201820720815 U CN 201820720815U CN 208093573 U CN208093573 U CN 208093573U
- Authority
- CN
- China
- Prior art keywords
- double
- backboard
- cell piece
- battery pack
- sided battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- Y02E10/52—PV systems with concentrators
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
A kind of Double-sided battery pack, including face glass, double-side cell piece, ethylene-octene copolymer and backboard；Face glass, double-side cell piece and backboard are arranged in order from top to bottom, and the upper and lower surface of double-side cell piece is both provided with ethylene-octene copolymer, and double-side cell piece is packaged in by ethylene-octene copolymer between face glass and backboard；The backboard of the Double-sided battery pack of the utility model is to be high thoroughly with the high anti-design that be combined with each other, and cell piece piece displacement, which installs, is calculated as high reflection layer, and cell piece position is high saturating structure, and such backboard can promote 3%-5% component powers for double-side cell.
Description
Technical field
The utility model belongs to technical field of photovoltaic power generation, more particularly to a kind of Double-sided battery pack.
Background technology
Photovoltaic (PV) industry is constantly promoted after major transformation-photovoltaic conversion efficiency, and price continues to decline.Some areas are
Reach par online, to keep this trend, many producers to do a large amount of work in cell piece technical aspect.It develops at present
Double-side cell greatly improves the generating efficiency of component.
Component factory is most of at present makes solar double-glass assemblies by double-side cell, by back side cell piece to the light of ground return
Conversion, to improve the power of component.The major advantage of such product is product long-term outdoor use reliability height, but double glass groups
Part more conventional component in weight will be higher by 6-10kg, considerably increase production cost, transportation cost and installation cost.
Utility model content
The purpose of this utility model is to provide a kind of Double-sided battery packs, to solve the above problems.
To achieve the above object, the utility model uses following technical scheme：
A kind of Double-sided battery pack, including face glass, double-side cell piece, ethylene-octene copolymer and backboard；Front glass
Glass, double-side cell piece and backboard are arranged in order from top to bottom, and it is pungent that the upper and lower surface of double-side cell piece is both provided with ethylene-
Alkene copolymer, double-side cell piece are packaged in by ethylene-octene copolymer between face glass and backboard；
Backboard includes the faces EVA, air surface and middle layer；The upper surface of middle layer is provided with the faces EVA, the lower surface of middle layer
It is provided with air surface；The middle layer of backboard is network, is highly transmissive layer, the grid of network in the grid of network
Edge is high reflection layer.
Further, the faces EVA are polyvinylidene fluoride film, pvf film or polyolefin film；Air surface is Kynoar
Film, pvf film or PET.
Further, the middle layer of backboard is transparent PET.
Further, the displacement of cell piece piece is located at highly transmissive layer in high reflection layer, cell piece.
Further, on the outside of the overall structure that face glass, double-side cell piece, ethylene-octene copolymer and backboard are formed
It is provided with frame.
Further, face glass is full tempered glass, and the thickness of tempered glass is 2.5mm~4.0mm.
Compared with prior art, the utility model has following technique effect：
The backboard of the Double-sided battery pack of the utility model is high thoroughly with the high anti-design that be combined with each other, and cell piece piece displacement sets
It is designed as high reflection layer, cell piece position is high saturating structure, and such backboard is used for double-side cell, can promote 3%-5% components
Power.
Cell piece is packaged in by ethylene-octene copolymer between face glass and back side backboard, therefore can be realized double
The reliability of face cell module encapsulation；
Face glass substitutes existing simple glass using full tempered glass, therefore can either meet the machinery of 5400MPa
The requirement of load can also realize the lightweight of Double-sided battery pack compared with double glass；
The light transmittance of full tempered glass glass is high, can reach good optics utilization rate, therefore, by with high anti-backboard
Interconnection, can realize the high power requirement of two-sided single glass component.
Backboard replaces the glass at the original back side, therefore can realize the lightweight of Double-sided battery pack, saving production cost,
Transportation cost and installation cost；
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the utility model Double-sided battery pack；
Fig. 2 is the structural schematic diagram of the utility model Double-sided battery pack；
Fig. 3 is the stereoscopic schematic diagram of the utility model backboard；
In figure, 1- face glass, 2- ethylene-octene copolymers, 3- cell pieces, the back sides 4- backboard.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
It is total to please refer to Fig.1-Fig. 3, a kind of Double-sided battery pack, including face glass 1, double-side cell piece 3, ethylene-octene
Polymers 2 and backboard 4；Face glass 1, double-side cell piece 3 and backboard 4 are arranged in order from top to bottom, the upper surface of double-side cell piece 3
It is both provided with ethylene-octene copolymer 2 with lower surface, double-side cell piece 3 is packaged in front glass by ethylene-octene copolymer 2
Between glass 1 and backboard 4；
Backboard 4 includes the faces EVA, air surface and middle layer；The upper surface of middle layer is provided with the faces EVA, the following table of middle layer
Face is provided with air surface；The middle layer of backboard 4 is network, is highly transmissive layer in the grid of network, network
Grid edge is high reflection layer.
The faces EVA are polyvinylidene fluoride film, pvf film or polyolefin film；Air surface is polyvinylidene fluoride film, poly- fluorine second
Alkene film or PET.
The middle layer of backboard 4 is transparent PET.
The displacement of cell piece piece is located at highly transmissive layer in high reflection layer, cell piece.
It is provided on the outside of the overall structure that face glass 1, double-side cell piece 3, ethylene-octene copolymer 2 and backboard 4 are formed
Frame.
Face glass 1 is full tempered glass, and the thickness of tempered glass is 2.5mm~4.0mm.
As depicted in figs. 1 and 2, the high power Double-sided battery pack of the utility model, including face glass 1, cell piece 3,
Back side backboard 4 and frame 6, cell piece 3 are packaged in by ethylene-octene copolymer 2 between face glass 1 and back side backboard 4, just
Surface glass 1 is full tempered glass, and the thickness of full tempered glass is 2.5~4.0mm, light transmittance > 94%, and frame 6 is disposed around front
The whole surrounding that glass 1, cell piece 3 and back side backboard 4 are formed；
The grammes per square metre of ethylene-octene copolymer 2 used in the utility model is 460-520g/m2, body resistance > 1016Ω cm,
Light transmittance > 90%, melt index ranging from 5-18g/10min.
Back side backboard 4 is sandwich, middle upper and lower surface protective film, which is characterized in that the upper surface is EVA
Face, membrane material used is one kind in transparent PVDF (Kynoar), PVF (polyvinyl fluoride), polyolefin, under described
Surface is air surface, one kind in transparent PVDF (Kynoar), PVF (polyvinyl fluoride), PET, and middle layer is transparent
PET, such material have superpower uvioresistant and hydrothermal aging characteristic.
The groove of frame is c-type binding structure, and the edge of frame is filled out with the contact position of positive surface backplate and back side backboard
Filled with fluid sealant.
The utility model improves the power of double-side cell list glass mainly by backboard height instead with high saturating structure design,
Relatively double glass, realize the lightweight of Double-sided battery pack.
It is high instead with high saturating scheme
(1) high thoroughly with the high anti-design that be combined with each other, cell piece piece displacement, which installs, is calculated as high reflection layer, and cell piece position is height
Saturating structure, such backboard are used for double-side cell, can promote 3%-5% component powers.
(2) initial and long-term high power scheme
Double-side cell list glass encapsulating structure, the light transmittance > 94% of full tempered glass glass can ensure that front battery is good
Good optics utilization rate, the reflectivity of back side backboard piece string spacing and the high transparency of backboard, further increase the power of component.
Claims (6)
1. a kind of Double-sided battery pack, which is characterized in that including face glass (1), double-side cell piece (3), ethylene-octene copolymerization
Object (2) and backboard (4)；Face glass (1), double-side cell piece (3) and backboard (4) are arranged in order from top to bottom, double-side cell piece
(3) upper and lower surface is both provided with ethylene-octene copolymer (2), and double-side cell piece (3) is copolymerized by ethylene-octene
Object (2) is packaged between face glass (1) and backboard (4)；
Backboard (4) includes the faces EVA, air surface and middle layer；The upper surface of middle layer is provided with the faces EVA, the lower surface of middle layer
It is provided with air surface；The middle layer of backboard (4) is network, is highly transmissive layer in the grid of network, network
Grid edge is high reflection layer.
2. a kind of Double-sided battery pack according to claim 1, which is characterized in that the faces EVA are polyvinylidene fluoride film, poly- fluorine
Vinyl film or polyolefin film；Air surface is polyvinylidene fluoride film, pvf film or PET.
3. a kind of Double-sided battery pack according to claim 1, which is characterized in that the middle layer of backboard (4) is transparent
PET。
4. according to a kind of Double-sided battery pack described in claim 1, which is characterized in that the displacement of cell piece piece is in high reflection layer, electricity
Pond piece is located at highly transmissive layer.
5. according to a kind of Double-sided battery pack described in claim 1, which is characterized in that face glass (1), double-side cell piece (3),
It is provided with frame on the outside of the overall structure that ethylene-octene copolymer (2) and backboard (4) are formed.
6. according to a kind of Double-sided battery pack described in claim 1, which is characterized in that face glass (1) is full tempered glass, steel
The thickness for changing glass is 2.5mm~4.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720815.0U CN208093573U (en) | 2018-05-15 | 2018-05-15 | A kind of Double-sided battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720815.0U CN208093573U (en) | 2018-05-15 | 2018-05-15 | A kind of Double-sided battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093573U true CN208093573U (en) | 2018-11-13 |
Family
ID=64053091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820720815.0U Active CN208093573U (en) | 2018-05-15 | 2018-05-15 | A kind of Double-sided battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208093573U (en) |
-
2018
- 2018-05-15 CN CN201820720815.0U patent/CN208093573U/en active Active
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