CN206962772U - Solar energy power generating battery pack - Google Patents
Solar energy power generating battery pack Download PDFInfo
- Publication number
- CN206962772U CN206962772U CN201720644610.4U CN201720644610U CN206962772U CN 206962772 U CN206962772 U CN 206962772U CN 201720644610 U CN201720644610 U CN 201720644610U CN 206962772 U CN206962772 U CN 206962772U
- Authority
- CN
- China
- Prior art keywords
- layer
- grid line
- cell panel
- silicon layer
- eva
- 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.)
- Expired - Fee Related
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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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- Photovoltaic Devices (AREA)
Abstract
It the utility model is related to solar energy power generating battery pack, including safety glass, EVA, cell panel, solar panel and backboard；Safety glass is bonded in the upper surface of cell panel by EVA, and anti-reflection film is provided between safety glass and cell panel, and solar panel is inclined at the oblique upper of cell panel, and backboard is bonded in the lower surface of cell panel by EVA；Cell panel includes grid line layer and base layer, and base layer is followed successively by doped silicon layer, substrate silicon layer and electrode layer from top to bottom, and grid line layer is embedded in doped silicon layer, and reflecting layer is provided between substrate silicon layer and electrode layer.By setting solar panel to increase the amount of incident ray, by the efficiency of transmission for setting anti-reflection film increasing light, by the way that grid line layer is embedded in doped silicon layer, so as to reduce the reflection to incident ray, by setting reflecting layer that the strong light of penetration capacity is reflected back into generating area, above collective effect increase effectively the generating efficiency of solar battery group.
Description
Technical field
The utility model belongs to technical field of photovoltaic power generation, more particularly to solar energy power generating battery pack.
Background technology
Solar power generation is generally divided into photo-thermal power generation and the class of photovoltaic generation two.Photovoltaic generation mainly utilizes interface
Photovoltaic effect, so as to which luminous energy is directly translated into electric energy.Current existing photovoltaic cell mainly uses silicon chip as collection
Body material, P-N junction is formed in silicon chip by diffusion, then grid line is made by silk-screen printing in silicon chip surface, and passed through
Grid line, which is collected, collects electric current caused by P-N junction, to be generated electricity.
However, because grid line has certain width in itself, and it is large number of, the light that can be emitted onto battery surface is anti-
Quite a few is projected, causes luminous energy to waste.Simultaneously as sunray will change with time, its incident angle, inject
Light it is unstable, and solar cell surface area is limited, and the luminous energy being collected into is limited, and its generating efficiency is not high, if can increase
The injection amount of big light, the generating efficiency of solar cell can be effectively increased.
The content of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of solar energy power generating battery
Group, by setting solar panel to increase the amount of incident ray, by setting the efficiency of transmission of anti-reflection film increasing light, by by grid line
Layer is embedded in doped silicon layer, so as to reduce the reflection to incident ray, by setting reflecting layer by the strong light of penetration capacity
Generating area is reflected back, above collective effect increase effectively the generating efficiency of solar battery group.
In order to realize above-mentioned purpose, the utility model employs following technical scheme：
Solar energy power generating battery pack, including safety glass, EVA, cell panel, solar panel and backboard；The tempering
Glass is bonded in the upper surface of cell panel by EVA, and anti-reflection film, the solar panel are provided between safety glass and cell panel
It is inclined at the oblique upper of cell panel, the solar panel is in pot shape, including the inner concave focused light rays on cell panel；Institute
State the lower surface that backboard is bonded in cell panel by EVA；The cell panel includes grid line layer and base layer, and described matrix layer is by upper
Doped silicon layer, substrate silicon layer and electrode layer are followed successively by under, the doped silicon layer and substrate silicon layer contact are set, and grid line layer is buried
In doped silicon layer, reflecting layer is provided between the substrate silicon layer and electrode layer.By setting solar panel to increase incident ray
Amount, by setting the efficiency of transmission of anti-reflection film increasing light, by the way that grid line layer is embedded in doped silicon layer, so as to reduce pair
The reflection of incident ray, by setting reflecting layer that the strong light of penetration capacity is reflected back into generating area, above collective effect is effective
Increase the generating efficiency of solar battery group.
Preferably, the grid line layer is mutually equal with by more by the first grid line group that more grid lines parallel to each other form
Capable grid line forms the second grid line group, and the grid line of the second grid line group of the grid line sum of the first described grid line group is arranged in a crossed manner two-by-two
Form network structure.This set, collected current that can be easier.
Preferably, the backboard includes outer protective layer, PET polyester films and internal layer membrane；The outer protective layer
It is made of PVE or PVDF, the internal layer membrane is made of PE or PEVA.
Compared with prior art, the beneficial effects of the invention are as follows：By setting solar panel to increase the amount of incident ray, pass through
The efficiency of transmission of anti-reflection film increasing light is set, by the way that grid line layer is embedded in doped silicon layer, so as to reduce to incident ray
Reflection, by setting reflecting layer that the strong light of penetration capacity is reflected back into generating area, above collective effect increase effectively too
The generating efficiency of positive energy battery pack.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the stepped construction of pack body.
Fig. 3 is the profile of backboard.
Embodiment
Specific embodiment of the present utility model is made a detailed explanation below in conjunction with the accompanying drawings.
Solar energy power generating battery pack as shown in FIG. 1 to 3, including safety glass 1, EVA, cell panel 2, optically focused
Plate 3 and backboard 4；Safety glass 1 is bonded in the upper surface of cell panel 2 by EVA, is set between safety glass 1 and cell panel 2
There is anti-reflection film 5, solar panel 3 is inclined at the oblique upper of cell panel 2, and specifically, solar panel 3 is in pot shape, and its inner concave can
To focus light rays on cell panel 2.Backboard 4 is bonded in the lower surface of cell panel 2 by EVA；Cell panel 2 includes grid line layer
21 and base layer 22, base layer 22 be followed successively by doped silicon layer 221, substrate silicon layer 222 and electrode layer 223, doped silicon from top to bottom
Layer 221 and the contact of substrate silicon layer 222 are set, and grid line layer 21 is embedded in doped silicon layer 221, substrate silicon layer 222 and electrode layer 223
Between be provided with reflecting layer 6.
The first grid line group 211 that grid line layer 21 is made up of more grid lines parallel to each other and by more grid lines parallel to each other
Form the second grid line group 212, the first grid line group 211 grid line sum the second grid line group 212 grid line structure arranged in a crossed manner two-by-two
Reticulate structure.
Backboard 4 includes outer protective layer 41, PET polyester films 42 and internal layer membrane 43；Outer protective layer 41 uses PVE
Or PVDF is made, internal layer membrane 43 is made of PE or PEVA.
Above content described in this specification is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can make various modifications or supplement to described specific embodiment or using class
As mode substitute, content without departing from the utility model specification or surmount model defined in the claims
Enclose, the scope of protection of the utility model all should be belonged to.
Claims (3)
1. solar energy power generating battery pack, it is characterised in that：Including safety glass (1), EVA, cell panel (2), solar panel
And backboard (4) (3)；The safety glass (1) is bonded in the upper surface of cell panel (2) by EVA, in safety glass (1) and electricity
Anti-reflection film (5) is provided between pond plate (2), the solar panel (3) is inclined at the oblique upper of cell panel (2), the optically focused
Plate (3) is in pot shape, including the inner concave focused light rays on cell panel (2)；The backboard (4) is bonded in battery by EVA
The lower surface of plate (2)；The cell panel (2) includes grid line layer (21) and base layer (22), and described matrix layer (22) is from top to bottom
It is followed successively by doped silicon layer (221), substrate silicon layer (222) and electrode layer (223), the doped silicon layer (221) and substrate silicon layer
(222) contact is set, and grid line layer (21) is embedded in doped silicon layer (221), the substrate silicon layer (222) and electrode layer (223)
Between be provided with reflecting layer (6).
2. solar energy power generating battery pack according to claim 1, it is characterised in that：The grid line layer (21) is by more
The the first grid line group (211) and form the second grid line group by more grid lines parallel to each other that root grid line parallel to each other forms
(212), the grid line of the second grid line group (212) of the grid line sum of the first described grid line group (211) composition net arranged in a crossed manner two-by-two
Shape structure.
3. solar energy power generating battery pack according to claim 1, it is characterised in that：The backboard (4) includes outer
Layer protective layer (41), PET polyester films (42) and internal layer membrane (43)；The outer protective layer (41) uses PVE or PVDF systems
Into the internal layer membrane (43) is made of PE or PEVA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720644610.4U CN206962772U (en) | 2017-06-05 | 2017-06-05 | Solar energy power generating battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720644610.4U CN206962772U (en) | 2017-06-05 | 2017-06-05 | Solar energy power generating battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962772U true CN206962772U (en) | 2018-02-02 |
Family
ID=61379850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720644610.4U Expired - Fee Related CN206962772U (en) | 2017-06-05 | 2017-06-05 | Solar energy power generating battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962772U (en) |
-
2017
- 2017-06-05 CN CN201720644610.4U patent/CN206962772U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20200605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |