CN208767317U - A kind of solar photovoltaic assembly - Google Patents
A kind of solar photovoltaic assembly Download PDFInfo
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- CN208767317U CN208767317U CN201821682220.7U CN201821682220U CN208767317U CN 208767317 U CN208767317 U CN 208767317U CN 201821682220 U CN201821682220 U CN 201821682220U CN 208767317 U CN208767317 U CN 208767317U
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- cell piece
- solar photovoltaic
- photovoltaic assembly
- reflection component
- reflection
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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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Abstract
The utility model discloses a kind of solar photovoltaic assemblies, the solar photovoltaic assembly structure includes the glass substrate being sequentially distributed from top to bottom, upper glue film, multiple cell pieces, lower glue film and backboard, wherein, multiple cell pieces arrange to form gap according to preset order, there is the first reflection component for reflecting light towards the position distribution that the cell piece side corresponds to the gap in the glass substrate, and the angle of reflection that first reflection component is generated towards the cell piece side is incident on by the light that the cell piece reflects it is greater than and the angle of reflection that the glass substrate is generated towards the cell piece side is incident on by the light that the cell piece reflects.By increasing by the first reflection component, allow to be irradiated on cell piece in glass substrate towards the light that one lateral reflection rear portion of cell piece point cannot be irradiated on cell piece originally, to improve the output power of solar photovoltaic assembly using electric current is generated by cell piece.
Description
Technical field
The utility model relates to technical field of solar batteries, more particularly to a kind of solar photovoltaic assembly.
Background technique
Currently, highlighting with this serious problem of energy shortage, renewable energy is increasingly paid close attention in countries in the world.The sun
It can be a kind of renewable energy of green, photovoltaic technology can be converted solar energy into electrical energy directly, and therefore, photovoltaic industry has good
Good development prospect.
With the development of photovoltaic industry, the either requirement of client or photovoltaic enterprise to output power of photovoltaic module is more next
It is higher.Light reaches cell piece through photovoltaic module upper surface glass, and a part of light is absorbed by cell piece generates electric current, another
Some light is reflected back on the glass of upper surface by cell piece.Since reflectivity is everywhere on the surface of cell piece for upper surface glass
It is equal, then, the light being reflected back on the glass of upper surface is difficult to be reflected on cell piece again after the glass-reflected of upper surface, institute
To cause the waste of this some light.
Utility model content
The purpose of the utility model is to provide a kind of solar photovoltaic assemblies, to solve photovoltaic group in the prior art
The low problem of part output power.
In order to solve the above technical problems, the utility model provides a kind of solar photovoltaic assembly, the photovoltaic group
Part structure includes the glass substrate being sequentially distributed from top to bottom, upper glue film, multiple cell pieces, lower glue film and backboard, wherein multiple
The cell piece arranges to form gap according to preset order, between the glass substrate is described towards cell piece side correspondence
The position distribution of gap has the first reflection component for reflecting light, and is incident on by the light that the cell piece reflects described
First reflection component is greater than towards the angle of reflection that the cell piece side generates is incident on institute by the light that the cell piece reflects
State the angle of reflection that glass substrate is generated towards the cell piece side.
Optionally, the thickness of the reflection component is greater than 10 μm.
Optionally, first reflection component is ceramics or reflective membrane band.
Optionally, the upper glue film and the lower glue film are EVA adhesive film.
Optionally, when the solar photovoltaic assembly is full wafer photovoltaic module, the adjacent cell piece in each row
The corresponding first reflection component width in gap is 7 μm~9 μm, the corresponding institute in gap of the adjacent cell piece in each column
Stating the first reflection component width is 8 μm~10 μm.
Optionally, when the solar photovoltaic assembly is half photovoltaic module, the adjacent cell piece in each row
The corresponding first reflection component width in gap is 6 μm~8 μm, the corresponding institute in gap of the adjacent cell piece in each column
Stating the first reflection component width is 7 μm~9 μm.
Optionally, further includes:
When the cell piece is single side cell piece, between the backboard is described towards single side cell piece side correspondence
The position distribution of gap has the second reflection component.
Optionally, when the cell piece is double-side cell piece, the backboard is transparent back panel.
Optionally, further includes: in the anti-crack glue film that the transparent back panel is distributed towards the side of the double-side cell piece.
Optionally, further includes:
It is corresponding towards double-side cell piece side in glass back plate when the solar photovoltaic assembly is two-sided solar double-glass assemblies
The position distribution in the gap has third reflection component.
Solar photovoltaic assembly provided by the utility model, the solar photovoltaic assembly structure include from top to bottom according to
The glass substrate of secondary distribution, upper glue film, multiple cell pieces, lower glue film and backboard, wherein multiple cell pieces are suitable according to presetting
Sequence arranges to form gap, and having in the glass substrate towards the position distribution that the cell piece side corresponds to the gap makes light
The first reflection component reflected, and first reflection component is incident on described in as the light that the cell piece reflects
The angle of reflection that cell piece side generates, which is greater than, is incident on the glass substrate towards the electricity by the light that the cell piece reflects
The angle of reflection that pond piece side generates.In the application after sunray is incident on the upper surface of cell piece through glass substrate, portion
Light splitter is absorbed by cell piece generates electric current, and there are also some lights to be reflected back glass substrate one towards cell piece through cell piece
Side corresponds to the interstitial site punishment formed after multiple cell piece arrangements in the side and is furnished with the first reflecting part for reflecting light
Part is incident on light of first reflection component towards the cell piece side after being reflected by cell piece, produce in the first reflection component
Raw angle of reflection is greater than the angle of reflection generated in glass substrate towards the side of cell piece, makes originally in glass substrate towards battery
The light that one lateral reflection rear portion of piece point cannot be irradiated on cell piece can be irradiated on cell piece, to utilize production by cell piece
Raw electric current, improves the output power of solar photovoltaic assembly.
Detailed description of the invention
For the clearer technical solution for illustrating the utility model embodiment or the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of solar photovoltaic assembly provided by the utility model embodiment；
Fig. 2 is the structural schematic diagram of half solar photovoltaic assembly glass substrate provided by the utility model embodiment；
Fig. 3 is another kind solar photovoltaic assembly structural schematic diagram provided by the utility model embodiment；
Fig. 4 is another solar photovoltaic assembly structural schematic diagram provided by the utility model embodiment；
Fig. 5 is the 4th kind of solar photovoltaic assembly structural schematic diagram provided by the utility model embodiment.
Specific embodiment
The core of the utility model is to provide a kind of solar photovoltaic assembly.
In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation
The utility model is described in further detail for mode.Obviously, described embodiment is only the utility model a part
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, fall within the protection scope of the utility model.
Referring to FIG. 1, Fig. 1 is a kind of structural representation of solar photovoltaic assembly provided by the utility model embodiment
Figure.
Solar photovoltaic assembly provided by the utility model, including be sequentially distributed from top to bottom glass substrate 1, gluing
Film 2, multiple cell pieces 3, lower glue film 4 and backboard 5, wherein glass substrate 1 uses organic glass or tempered glass, with protection
Power generation main body (such as cell piece), and the light transmittance of glass substrate 1 must be high, generally 91% or more.
The manufacture craft of solar photovoltaic assembly are as follows: (1) series welding: cell piece 3 first passes around welding and is connected into battery row；
(2) it is laminated: the cell piece 3 gone here and there is arranged on glass substrate 1 that oneself lays and upper glue film 2 thereon, it is multiple rows of to have gone here and there
It is connected by welding between cell piece 3, all cell pieces is connected again thus, later toward one layer of lower glue of laying on cell piece 3
Film 4 is finally laid with backboard 5；(3) EL detect: solar battery sheet is detected using EL detector, in time find crack,
The abnormal solar battery sheets such as fragment, disconnected grid；(4) it is laminated: the component being laminated being put into laminating machine, by vacuumizing group
Air extraction in part, then heating glues glue film 2 and the thawing of lower glue film 4 by glass substrate 1, multiple cell pieces 3 and backboard 5
It is connected together；(5) chamfered edge: upper glue film 2 and lower glue film 4, which are extended outwardly after melting due to pressure, when lamination is formed by curing flash,
Lamination, which finishes, to be cut off；(6) it frames up: the surrounding for the component being laminated is filled into aluminum alloy frame.
Wherein, multiple cell pieces 3 arrange to form gap according to preset order, in the glass substrate 1 towards described
The position distribution that 3 side of cell piece corresponds to the gap has the first reflection component 6 for reflecting light, and by the battery
The light that piece 3 reflects is incident on first reflection component 6 and is greater than towards the angle of reflection that 3 side of cell piece generates by described
The light that cell piece 3 reflects is incident on the angle of reflection that the glass substrate 1 is generated towards 3 side of cell piece.
It should be noted that the present embodiment is not specifically limited the number of cell piece 3, user can be according to solar energy
The demand sets itself of component output power.Further, the present embodiment does not do specifically the preset order that cell piece 3 arranges yet
Restriction, user regard concrete condition designed, designed.Further, cell piece 3 can be single side cell piece or double-side cell piece.
It should also be noted that, the present embodiment is to the material of the first reflection component 6 and is not specifically limited, if meet by
The light that cell piece 3 reflects is incident on the first reflection component 6 and is greater than towards the angle of reflection that 3 side of cell piece generates by cell piece 3
The light of reflection is incident on the angle of reflection that glass substrate 1 is generated towards 3 side of cell piece.Further, this implementation
Example corresponds to 3 interstitial site of cell piece towards 3 side of cell piece to the thickness of the first reflection component 6, shape and in glass substrate 1
The area coverage at place is also not specifically limited, and is set depending on concrete condition.
It should also be noted that, the present embodiment does not do specific restriction to the material of backboard 5, work as solar photovoltaic assembly
When for single glass component, backboard 5 can be Normal back plate, such as TPT backboard, TPE backboard etc., wherein refer to polyvinyl fluoride for T layers
(polyvinyl fluoride) film, P layers refer to polyethylene terephthalate (polythylene terephthalate)
Film, E layers refer to vinylacetate (ethylene vinyl acetate) copolymer film.When solar photovoltaic assembly is double glass
When component, backboard 5 is organic glass or tempered glass.
As a kind of specific embodiment, the thickness of first reflection component 6 is greater than 10 μm, and thickness is greater than 10 μm can be with
Light after making reflection is more irradiated on cell piece 3, increases the delivery efficiency of solar photovoltaic assembly.
It is ceramics or reflective membrane band as the first reflection component 6 described in a kind of specific embodiment, ceramics are cheap,
The manufacturing cost of solar photovoltaic assembly is reduced, reflective membrane band is adapted to the various operating environments such as cold jelly, impact.
As a kind of specific embodiment, the upper glue film 2 and the lower glue film 4 are EVA (ethylene vinyl
Acetate, ethylene-vinyl acetate copolymer) glue film, EVA adhesive film have good flexibility, the transparency and chemical stability,
The work of the influence reduced to solar photovoltaic assembly light transmittance and the service life for extending solar photovoltaic assembly can be played
With.
Solar photovoltaic assembly provided by the present embodiment, the solar photovoltaic assembly structure include from top to bottom successively
Glass substrate 1, upper glue film 2, multiple cell pieces 3, lower glue film 4 and the backboard 5 of distribution, wherein the multiple cell pieces 3 are according to pre-
If sequence arrangement forms gap, have in the glass substrate 1 towards the position distribution that 3 side of cell piece corresponds to the gap
Make the first reflection component 6 that light reflects, and first reflection component is incident on by the light that the cell piece 3 reflects
6 are greater than towards the angle of reflection that 3 side of cell piece generates and by the light that the cell piece 3 reflects are incident on the glass substrate
1 angle of reflection generated towards 3 side of cell piece.When sunray is incident on battery through glass substrate 1 in the present embodiment
Behind the upper surface of piece 3, some light is absorbed by cell piece 3 generates electric current, and there are also some lights to be reflected back glass base through cell piece 3
For plate 1 towards the side of cell piece 3, corresponding to the interstitial site punishment formed after multiple cell pieces 3 arrange in the side and be furnished with makes light
The first reflection component 6 reflected is incident on the first reflection component 6 towards 3 side of cell piece after being reflected by cell piece 3
Light, the first reflection component 6 generate angle of reflection be greater than glass substrate 1 towards cell piece 3 side generate reflection
Angle allows to shine in glass substrate 1 towards the light that 3 one lateral reflection rear portion of cell piece point cannot be irradiated on cell piece 3 originally
It is mapped on cell piece 3, to improve the output power of solar photovoltaic assembly using electric current is generated by cell piece 3.
As a kind of specific embodiment, on the basis of the above embodiments, when the solar photovoltaic assembly is full wafer
When photovoltaic module, corresponding first reflection component, 6 width in the gap of the adjacent cell piece 3 is 7 μm~9 μ in each row
M, corresponding first reflection component, 6 width in gap of the adjacent cell piece 3 is 8 μm~10 μm in each column.
Specifically, full wafer cell piece is arranged according to matrix form, the gap intersected anyhow is formed between multiple cell pieces 3.
Solar photovoltaic assembly provided by the present embodiment, by corresponding first reflection in adjacent cell piece gap in each row
6 width of component is set as 7 μm~9 μm, in each column corresponding first reflection component, 6 width in adjacent cell piece gap be set as 8 μm~
10 μm, it is radiated at sunray more on full wafer cell piece 3, on the basis of increasing solar photovoltaic assembly output power,
The usable floor area for reducing by the first reflection component 6, reduces cost.
Referring to FIG. 2, Fig. 2 is the knot of half solar photovoltaic assembly glass substrate provided by the utility model embodiment
Structure schematic diagram.
As a kind of specific embodiment, on the basis of the above embodiments, when the solar photovoltaic assembly is half
When photovoltaic module, the corresponding reflection component width in the gap of the adjacent cell piece 3 is 6 μm~8 μm in each row, each
The corresponding reflection component width in gap of the adjacent electricity pond piece 3 is 7 μm~9 μm in column.
Specifically, half cell piece is arranged according to matrix form, forms the gap intersected anyhow between multiple cell pieces 3.
Solar photovoltaic assembly provided by the present embodiment, instead by 3 gap of adjacent cell piece in each row corresponding first
It penetrates 6 width of component and is set as 6 μm~8 μm, corresponding first reflection component, 6 width in 3 gap of adjacent cell piece is set as 7 μm in each column
~9 μm, it is radiated at sunray more on half cell piece, on the basis of increasing solar photovoltaic assembly output power,
The usable floor area for reducing by the first reflection component 6, reduces cost.
Referring to FIG. 3, Fig. 3 is another kind solar photovoltaic assembly structural representation provided by the utility model embodiment
Figure.
As a kind of specific embodiment, based on any of the above embodiments, solar photovoltaic assembly further include:
When the cell piece 3 is single side cell piece, in the backboard 5 towards described in the correspondence of single side cell piece side
The position distribution in gap has the second reflection component 7.
Specifically, the thickness of the second reflection component 7 is greater than 10 μm, the second reflection component 7 is ceramics or reflective membrane band.
Specifically, when solar photovoltaic assembly is full wafer photovoltaic module, the gap of the adjacent cell piece 3 in each row
Corresponding second reflection component, 6 width is 7 μm~9 μm, and the gap of the adjacent cell piece 3 is corresponding described in each column
Second reflection component, 6 width is 8 μm~10 μm；When solar photovoltaic assembly is half photovoltaic module, adjacent institute in each row
Corresponding second reflection component, 6 width in gap for stating cell piece 3 is 6 μm~8 μm, the adjacent cell piece 3 in each column
Corresponding second reflection component, 6 width in gap be 7 μm~9 μm.
Solar photovoltaic assembly provided by the present embodiment corresponds to the position in gap in backboard 5 towards single side cell piece side
It sets and the second reflection component 7 is distributed with, the sunray being irradiated at interstitial site can be made more to be reflected into 1 court of glass substrate
It to the side of single side cell piece, is then re-reflected on single side cell piece, increases in the side of glass substrate 1 towards single side cell piece
Add the output power of solar photovoltaic assembly.
Referring to FIG. 4, Fig. 4 is another solar photovoltaic assembly structural representation provided by the utility model embodiment
Figure.
As a kind of specific embodiment, based on any of the above embodiments, when the cell piece 3 is double-side cell
When piece, the backboard 5 is transparent back panel.
It should be noted that the present embodiment does not do specific restriction to the material of transparent back panel, for example, transparent back panel can
Think PET (polythylene terephthalate, polyethylene terephthalate) material.
It can also include one in the transparent back panel towards the double-side cell piece 3 as a kind of specific embodiment
The anti-crack glue film 8 of side distribution.
It should be noted that the present embodiment fights the material of crack glue film 8 and is not specifically limited, for example, anti-crack glue
Film 8 can be polyflon, can also be polyimide resin.Further, the shape of crack glue film 8 is not fought also not
It is specifically limited, for example, anti-crack glue film 8 can be can be set into latticed, may be arranged as helical form.
Solar photovoltaic assembly provided by the present embodiment sets backboard 5 to when cell piece 3 is double-side cell piece
Transparent back panel, transparent back panel can make more sunrays be irradiated to the lower surface of double-side cell piece 3, increase photovoltaic
The output power of component, especially when solar photovoltaic assembly is solar double-glass assemblies, transparent back panel replaces organic glass or steel
Change glass, the weight of solar photovoltaic assembly can be mitigated, reduces production cost and transportation cost.Increased anti-crack glue film 8
The load performance of solar photovoltaic assembly can be enhanced.
Referring to FIG. 5, Fig. 5 is the 4th kind of solar photovoltaic assembly structural representation provided by the utility model embodiment
Figure.
As a kind of specific embodiment, based on any of the above embodiments, further includes:
When the solar photovoltaic assembly is two-sided solar double-glass assemblies, backboard 3 is organic glass or tempered glass, in glass
Glass backboard corresponds to the third reflection component 9 of the position distribution in the gap towards double-side cell piece side.
Specifically, the thickness of third reflection component 9 is greater than 10 μm, third reflection component 9 is ceramic or reflective membrane band, by
The light of double-side cell piece reflection is incident on third reflection component and is greater than towards the angle of reflection that double-side cell piece side generates by double
The light of face cell piece reflection is incident on the angle of reflection that glass back plate is generated towards double-side cell piece side.
Specifically, when solar photovoltaic assembly is full wafer photovoltaic module, the gap of the adjacent cell piece 3 in each row
Corresponding 6 width of third reflection component is 7 μm~9 μm, and the gap of the adjacent cell piece 3 is corresponding described in each column
Second reflection component, 6 width is 8 μm~10 μm；When solar photovoltaic assembly is half photovoltaic module, adjacent institute in each row
Corresponding 6 width of third reflection component in gap for stating cell piece 3 is 6 μm~8 μm, the adjacent cell piece 3 in each column
Corresponding second reflection component, 6 width in gap be 7 μm~9 μm.
When solar photovoltaic assembly provided by the present embodiment is two-sided solar double-glass assemblies, in glass back plate towards double-side cell
The position distribution that piece side corresponds to gap has third reflection component 9, can make the light reflected by double-side cell piece lower surface
After being incident on third reflection component 9, it is more irradiated to the lower surface of double-side cell piece, increases the output of solar photovoltaic assembly
Power.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
A kind of solar photovoltaic assembly provided by the utility model is described in detail above.It is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to manage
Solve the method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can be made to this utility model, these improve and repair
Decorations are also fallen into the protection scope of the utility model claims.
Claims (10)
1. a kind of solar photovoltaic assembly, which is characterized in that the solar photovoltaic assembly structure includes successively dividing from top to bottom
The glass substrate of cloth, upper glue film, multiple cell pieces, lower glue film and backboard, wherein multiple cell pieces are arranged according to preset order
Column form gap, and having in the glass substrate towards the position distribution that the cell piece side corresponds to the gap makes light
First reflection component of reflection, and first reflection component is incident on towards the battery by the light that the cell piece reflects
The angle of reflection that piece side generates, which is greater than, is incident on the glass substrate towards the cell piece by the light that the cell piece reflects
The angle of reflection that side generates.
2. solar photovoltaic assembly as described in claim 1, which is characterized in that the thickness of first reflection component is greater than 10
μm。
3. solar photovoltaic assembly as claimed in claim 2, which is characterized in that first reflection component is ceramic or anti-
Light film strips.
4. solar photovoltaic assembly as claimed in claim 3, which is characterized in that the upper glue film and the lower glue film are
EVA adhesive film.
5. solar photovoltaic assembly as claimed in claim 4, which is characterized in that when the solar photovoltaic assembly is full wafer light
When lying prostrate component, the corresponding first reflection component width in gap of the adjacent cell piece is 7 μm~9 μm in each row, often
The corresponding first reflection component width in gap of the adjacent cell piece is 8 μm~10 μm in one column.
6. solar photovoltaic assembly as claimed in claim 4, which is characterized in that when the solar photovoltaic assembly is half light
When lying prostrate component, the corresponding first reflection component width in gap of the adjacent cell piece is 6 μm~8 μm in each row, often
The corresponding first reflection component width in gap of the adjacent cell piece is 7 μm~9 μm in one column.
7. such as solar photovoltaic assembly as claimed in any one of claims 1 to 6, which is characterized in that further include:
When the cell piece is single side cell piece, the gap is corresponded to towards single side cell piece side in the backboard
Position distribution has the second reflection component.
8. such as solar photovoltaic assembly as claimed in any one of claims 1 to 6, which is characterized in that when the cell piece is two-sided
When cell piece, the backboard is transparent back panel.
9. solar photovoltaic assembly as claimed in claim 8, which is characterized in that further include: in the transparent back panel towards institute
State the anti-crack glue film of the side distribution of double-side cell piece.
10. such as solar photovoltaic assembly as claimed in any one of claims 1 to 6, which is characterized in that further include:
When the solar photovoltaic assembly is two-sided solar double-glass assemblies, in glass back plate towards described in the correspondence of double-side cell piece side
The third reflection component of the position distribution in gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682220.7U CN208767317U (en) | 2018-10-17 | 2018-10-17 | A kind of solar photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682220.7U CN208767317U (en) | 2018-10-17 | 2018-10-17 | A kind of solar photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
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| CN208767317U true CN208767317U (en) | 2019-04-19 |
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ID=66137390
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| CN201821682220.7U Active CN208767317U (en) | 2018-10-17 | 2018-10-17 | A kind of solar photovoltaic assembly |
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| Country | Link |
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2018
- 2018-10-17 CN CN201821682220.7U patent/CN208767317U/en active Active
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