CN206977348U - A kind of improved photovoltaic tile - Google Patents
A kind of improved photovoltaic tile Download PDFInfo
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- CN206977348U CN206977348U CN201720501835.4U CN201720501835U CN206977348U CN 206977348 U CN206977348 U CN 206977348U CN 201720501835 U CN201720501835 U CN 201720501835U CN 206977348 U CN206977348 U CN 206977348U
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- Prior art keywords
- layer
- light
- photovoltaic tile
- photovoltaic module
- glassy
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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)
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Abstract
The utility model discloses a kind of improved photovoltaic tile, including watt matrix and photovoltaic module, watt matrix offers cavity, photovoltaic module is arranged in cavity, the photovoltaic module includes glassy layer successively from top to bottom, battery pack, backsheet layer, between glassy layer and battery pack, ethylene-vinyl acetate copolymer layer is provided between battery pack and backsheet layer, one layer of nano-silica film is coated with the glassy layer, the backsheet layer includes the outer protective layer directly contacted with the external world, intermediate layer and internal layer transition zone, light enhancement layer is also set up between outer protective layer and intermediate layer, light enhancement layer is light scattering layer or reflection layer.The utility model in glassy layer by coating one layer of nano-silica film, and light enhancement layer is set in backsheet layer, not only increase the transmissivity of sunlight, also increase the scattering process of the light into photovoltaic module, the light absorbing efficiency of photovoltaic module is improved, solves the problems, such as existing light underutilization.
Description
Technical field
It the utility model is related to field of solar energy, and in particular to a kind of improved photovoltaic tile.
Background technology
Photovoltaic tile refers to using the tile that synthetic material (engineering material) makes by automating mounting process and crystal silicon too
Positive energy module combines, and forms the tile with photovoltaic generation function.Photovoltaic tile can directly replace building tile, for building
On.It is not only that electricity can be provided for house, can also be used as the source of stabilized power source, a variety of facilities is provided for life.
In use, utilization ratio of the light in photovoltaic module be not high for existing photovoltaic tile, this and photovoltaic module sheet
The structure of body has relation.Existing photovoltaic module is after light enters in it, and what it was utilized considers seldom, it is impossible to fully to entering
Light in it is effectively absorbed, and causes the utilization rate of light very low.
Utility model content
The utility model purpose is to provide a kind of improved photovoltaic tile, and the photovoltaic tile is received by coating one layer in glassy layer
Rice silicon dioxide film, and light enhancement layer is set in backsheet layer, the transmissivity of sunlight is not only increased, is also increased into photovoltaic
The scattering process of light in component, light residence time in photovoltaic module is added, effectively increase photovoltaic module and absorb light
Efficiency, solve the problems, such as existing light underutilization.
The utility model is achieved through the following technical solutions：
A kind of improved photovoltaic tile, including watt matrix and photovoltaic module, a watt matrix offer cavity, and photovoltaic module includes side
Frame, the body being arranged in frame and the terminal box being arranged on outside frame, terminal box are connected with body, and the frame of photovoltaic module is set
Be placed in cavity, the body from top to bottom successively include glassy layer, battery pack, backsheet layer, between glassy layer and battery pack, electricity
Ethylene-vinyl acetate copolymer layer is provided between pond group and backsheet layer, one layer of nano-silica is coated with the glassy layer
SiClx film, the backsheet layer include outer protective layer, intermediate layer and the internal layer transition zone directly contacted with the external world, outer protective layer
Light enhancement layer is also set up between intermediate layer, light enhancement layer is light scattering layer or reflection layer.
Design of the present utility model is：One layer of nano-silica film is set on glassy layer, and set in backsheet layer
Light enhancement layer is put, increases the transmissivity of sunlight, and increases the scattering process into the light in photovoltaic module, improves photovoltaic group
The light absorbing efficiency of part, solves the problems, such as existing light underutilization.
Ethylene-vinyl acetate copolymer is generally EVA, and for its degree of cross linking more than 70%, cementability is strong.
The lamellar structure is waveform.Above-mentioned lamellar structure is arranged to waveform, is advantageous to increase the scattering of lamella
Ability, further improve the utilization rate of light.
Light scattering layer is the lamellar structure that one layer of acrylic resin forms with silica dioxide granule blending.In order to strengthen light
Utilization ratio, is provided with light enhancement layer in backsheet layer, and light scattering layer is a kind of surface and the internal lamella that can scatter light
Structure, as the lamella formed is blended in acrylic resin and silica dioxide granule.
Reflection layer is surface coated with the lamellar structure that coating or surface are polishing layer.This reflection layer is only passing through
Cross on the top layer of coating or polishing and be scattered, it is clear that light scatter intensity is big not as the intensity of light scattering layer.
Also it is arranged on including at least 2 face speculums, speculum on the fin of watt matrix, at least 2 face speculums are divided into 2 groups of phases
The back of the body is set.2 groups of opposite speculums are set on the fin of watt matrix, are advantageous to when sunlight moves, by light collection
It is arranged on onto photovoltaic module, and due to speculum on the fin of watt matrix, will not will should be radiated at photovoltaic module
Glassy layer glazing reflects away.
Angle between 2 groups of speculums being disposed opposite to each other is 100-160 °.The setting of angle can be helped between 2 groups of reflectings surface
More light are helped to be reflected on photovoltaic module.
Outer protective layer and internal layer transition zone are PVF.PVF is polyvinyl fluoride, with outstanding ageing resistace, very well
Heat endurance, and also there is high-wearing feature and contaminated resistance, using this material as protective layer and buffer layer material
There is good practicality for the photovoltaic module in work.
Intermediate layer is PET.Outer protective layer primarily serves the effect of environment resistant erosion, and intermediate layer is mainly used in insulating, interior
Layer transition zone mainly plays bonding effect with ethylene-ethyl acetate copolymer.
It is additionally provided with what one layer of acrylic resin formed with silica dioxide granule blending between outer protective layer and intermediate layer
The thickness of lamella is 0.08-0.1mm.
Certainly, this photovoltaic tile is provided with the parts such as corresponding controller for solar, battery, inverter, switch controller, complete
, can be to general lighting electric power supply into the function such as photovoltaic generation, energy storage and direct current and alternating current conversion.
The utility model compared with prior art, has the following advantages and advantages：
The utility model sets light to strengthen by coating one layer of nano-silica film in glassy layer in backsheet layer
Layer, not only increases the transmissivity of sunlight, also increases the scattering process into the light in photovoltaic module, improve photovoltaic module
Light absorbing efficiency, solves the problems, such as existing light underutilization.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model partial schematic diagram.
Mark and corresponding parts title in accompanying drawing：
1- watts of matrix, 11- fins, 12- speculums, 2- photovoltaic modulies, 21- glassy layers, 22- cell panels, 23- backsheet layers,
24- ethylene-ethyl acetate copolymer layers.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, a kind of improved photovoltaic tile, including watt matrix 1 and photovoltaic module 2, watt matrix 1 offer
Cavity, photovoltaic module 2 are arranged in cavity, and the photovoltaic module 2 includes glassy layer 21, battery pack 22, the back of the body successively from top to bottom
Flaggy 23, ethene-vinyl acetate copolymerization is provided between glassy layer 21 and battery pack 22, between battery pack 22 and backsheet layer 23
Nitride layer 24, one layer of nano-silica film is coated with the glassy layer 21, and the backsheet layer 23 includes directly contacting with the external world
Outer protective layer, intermediate layer and internal layer transition zone, light enhancement layer, light enhancement layer are also set up between outer protective layer and intermediate layer
For light scattering layer or reflection layer.
Ethylene-vinyl acetate copolymer is generally EVA, and for its degree of cross linking more than 70%, cementability is strong.
The lamellar structure is waveform.Above-mentioned lamellar structure is arranged to waveform, is advantageous to increase the scattering of lamella
Ability, further improve the utilization rate of light.
Light scattering layer is the lamellar structure that one layer of acrylic resin forms with silica dioxide granule blending.In order to strengthen light
Utilization ratio, is provided with light enhancement layer in backsheet layer 23, and light scattering layer is a kind of surface and the internal piece that can scatter light
Rotating fields, as the lamella formed is blended in acrylic resin and silica dioxide granule.
Reflection layer is surface coated with the lamellar structure that coating or surface are polishing layer.This reflection layer is only passing through
Cross on the top layer of coating or polishing and be scattered, it is clear that light scatter intensity is big not as the intensity of light scattering layer.
Also it is arranged on including at least 2 face speculums 12, speculum 12 on the fin 11 of watt matrix 1, at least 2 face speculums 12
It is divided into 2 groups to be disposed opposite to each other.2 groups of opposite speculums 12 are set on the fin 11 of watt matrix 1, are advantageous to when sunlight moves
Wait, will not should by light collection to photovoltaic module 2, and because speculum 12 is arranged on the fin 11 of watt matrix 1
The glazing of glassy layer 21 for being radiated at photovoltaic module 2 reflects away.
Angle between 2 groups of speculums 12 being disposed opposite to each other is 100-160 °.The setting of angle can between 2 groups of reflectings surface
More light are helped to be reflected on photovoltaic module 2.
Outer protective layer and internal layer transition zone are PVF.PVF is polyvinyl fluoride, with outstanding ageing resistace, very well
Heat endurance, and also there is high-wearing feature and contaminated resistance, using this material as protective layer and buffer layer material
There is good practicality for the photovoltaic module 2 in work.
Intermediate layer is PET.Outer protective layer primarily serves the effect of environment resistant erosion, and intermediate layer is mainly used in insulating, interior
Layer transition zone mainly plays bonding effect with ethylene-ethyl acetate copolymer.
It is additionally provided with what one layer of acrylic resin formed with silica dioxide granule blending between outer protective layer and intermediate layer
The thickness of lamella is 0.08-0.1mm.Lamella is with 100 by acrylic resin and silica dioxide granule:The ratio of 3-5 parts by weight
Piece is made after composite to get, the method is prior art, be will not be described here.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (8)
1. a kind of improved photovoltaic tile, including watt matrix（1）And photovoltaic module（2）, watt matrix（1）Offer cavity, photovoltaic group
Part（2）Including frame, the body being arranged in frame and the terminal box being arranged on outside frame, terminal box are connected with body, photovoltaic
Component（2）Frame be arranged in cavity, it is characterised in that the body includes glassy layer successively from top to bottom（21）, battery
Group（22）, backsheet layer（23）, glassy layer（21）With battery pack（22）Between, battery pack（22）And backsheet layer（23）Between be respectively provided with
There is ethylene-vinyl acetate copolymer layer（24）, the glassy layer（21）It is upper to be coated with one layer of nano-silica film, the backboard
Layer（23）Including with the external world outer protective layer, intermediate layer and the internal layer transition zone that directly contact, outer protective layer and intermediate layer it
Between also set up light enhancement layer, light enhancement layer is light scattering layer or reflection layer.
2. improved photovoltaic tile according to claim 1, it is characterised in that the smooth enhancement layer is waveform.
3. improved photovoltaic tile according to claim 1, it is characterised in that reflection layer be surface coated with coating or
Surface is the lamellar structure of polishing layer.
4. improved photovoltaic tile according to claim 1, it is characterised in that also include at least 2 face speculums（12）, reflection
Mirror（12）It is arranged on a watt matrix（1）Fin（11）On, at least 2 face speculums（12）It is divided into 2 groups to be disposed opposite to each other.
5. improved photovoltaic tile according to claim 4, it is characterised in that 2 groups of speculums being disposed opposite to each other（12）Between
Angle be 100-160 °.
6. improved photovoltaic tile according to claim 1, it is characterised in that outer protective layer and internal layer transition zone are
PVF。
7. improved photovoltaic tile according to claim 1, it is characterised in that intermediate layer PET.
8. improved photovoltaic tile according to claim 3, it is characterised in that the lamellar spacing of light scattering layer is 0.08-
0.1mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501835.4U CN206977348U (en) | 2017-05-08 | 2017-05-08 | A kind of improved photovoltaic tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720501835.4U CN206977348U (en) | 2017-05-08 | 2017-05-08 | A kind of improved photovoltaic tile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977348U true CN206977348U (en) | 2018-02-06 |
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ID=61412333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720501835.4U Active CN206977348U (en) | 2017-05-08 | 2017-05-08 | A kind of improved photovoltaic tile |
Country Status (1)
| Country | Link |
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| CN (1) | CN206977348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154775A (en) * | 2017-05-08 | 2017-09-12 | 四川浩能新能源有限公司 | It is a kind of to improve the photovoltaic tile that light is utilized |
-
2017
- 2017-05-08 CN CN201720501835.4U patent/CN206977348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154775A (en) * | 2017-05-08 | 2017-09-12 | 四川浩能新能源有限公司 | It is a kind of to improve the photovoltaic tile that light is utilized |
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