CN208000930U - A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing - Google Patents
A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing Download PDFInfo
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- CN208000930U CN208000930U CN201820521127.1U CN201820521127U CN208000930U CN 208000930 U CN208000930 U CN 208000930U CN 201820521127 U CN201820521127 U CN 201820521127U CN 208000930 U CN208000930 U CN 208000930U
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- microprism
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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 proposes a kind of pressure sensitive gain films in photovoltaic module string spacing and piece spacing, including:Base material;Microprism layer, the microprism layer are multiple microprism arrays and are set on the upper surface of the base material, wherein the crest line direction of microprism is with length substrate direction angulation at 0 °~90 °;Reflective layer, the reflective layer are covered on the upper surface of the microprism layer;Insulating layer, the insulating layer are located on the upper surface of the reflective layer;Gum layer, the gum layer are set on the upper surface of the insulating layer;Release film, the release film are located on the upper surface of the gum layer.A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing according to the present utility model can be pasted directly in the use of the back side of cell piece, to reduce the light absorption caused by EVA layer, enhance photoelectric conversion efficiency.
Description
Technical field
The utility model is related to a kind of gain films, more particularly to a kind of in photovoltaic module string spacing and piece spacing
Pressure sensitive gain film.
Background technology
In photovoltaic module, cell piece typesetting, be laid out, avoid short circuit, avoid breakdown etc. due to, the piece of cell piece
It inevitably has and is left white with piece (between piece) and string and string (between string), the sunray of this subregion is in current component
It can not be utilized or utilization rate is very low, to waste the area that can carry sunlight incidence valuable in component.
In the patent document that publication No. is CN103413861A, a kind of gain for photovoltaic module is had issued for
The structure of film, gain film is followed successively by insulating layer, reflective layer, layers of prisms, base material and gum layer, gum layer coating and base from top to bottom
Under material, application scenarios are that the gum layer by gain film is attached on string spacing and piece spacing.It is in publication No.
In the patent document of CN107359215A, we disclose a kind of gain film for photovoltaic module string spacing and piece spacing, increase
The structure of beneficial film is followed successively by insulating layer, reflective layer, layers of prisms, base material, pressure sensitive adhesive and release film from top to bottom, and application scenarios exist
It is attached on backboard or back-panel glass in the pressure-sensitive adhesive by gain film.The structure of gain film determines its performance and applied field
Scape, in the past applied to the scene of cell piece string spacing and piece spacing, sunray will penetrate more EVA layer and reach gain
Film, EVA layer will certainly absorb certain sunlight, to cause to reach gain film luminous intensity decaying, cause sunlight sharp
With the decline of rate.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, a purpose of the utility model is to propose a kind of pressure in photovoltaic module string spacing and piece spacing
Quick type gain film can be pasted directly in the use of the back side of cell piece, to reduce the light absorption caused by EVA layer,
Enhance photoelectric conversion efficiency.
A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing according to the present utility model, including:
Base material;
Microprism layer, the microprism layer are multiple microprism arrays and are set on the upper surface of the base material, wherein micro-
The crest line direction of prism is with length substrate direction angulation at 0 °~90 °;
Reflective layer, the reflective layer are covered on the upper surface of the microprism layer;
Insulating layer, the insulating layer are located on the upper surface of the reflective layer;
Gum layer, the gum layer are set on the upper surface of the insulating layer;
Release film, the release film are located on the upper surface of the gum layer.
Advantageously, the crest line direction of the microprism and length substrate direction angulation are at 15 °~65 °.
Advantageously, the crest line direction of the microprism and length substrate direction angulation are at 45 °.
Advantageously, the prism vertex angle angle of the microprism is 60 °~150 °.
Advantageously, the prism vertex angle angle of the microprism is preferably 120 °.
Advantageously, the prism base width of the microprism is 50 μm.
Advantageously, the microprism layer be equipped with it is poly-V-grooved to become pyramid, V-shaped groove bottom edge direction with
The microprism base vertical.
Advantageously, the pyramid base width is 50 μm.
Advantageously, the microprism layer is ultra-violet curing glue-line made of UV solidifications, and the reflective layer is plating aluminium alloy.
Advantageously, the gum layer is EVA or EPO hot melt adhesive.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model micro prism and a kind of compound embodiment of pyramid.
Fig. 3 is a kind of structural schematic diagram of embodiment of the utility model pyramid.
1- base materials;2- microprism layers;3- reflective layers;4- gum layers;Pyramid structure caused by 5-V shape slots;12- from
Type film.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to the accompanying drawings according to the present utility model a kind of for photovoltaic module string spacing and piece spacing to be described in detail
On pressure sensitive gain film.
As shown in Figure 1, a kind of embodiment in the utility model is:One kind being used for photovoltaic module string spacing and piece spacing
On pressure sensitive gain film, including base material 1, microprism layer 2, reflective layer 3, insulating layer (not shown), gum layer 4, release film 12,
Release film is set to above gum layer, and gum layer 4 is set to insulating layer upper surface, and microprism layer 2 is multiple microprism arrays, is set to base
The upper surface of material 1, reflective layer 3 are covered in 2 surface of microprism layer, the crest line direction of microprism and length substrate direction at 0 °~
90 ° of angle settings, the reflective layer are covered in the microprism layer surface, and the insulating layer is set to reflective layer upper surface.
It is using the advantageous effect of above-mentioned technical proposal:The gum layer is set to the upper surface of insulating layer, and release film is taken the photograph
It in the upper surface of gum layer, directly can mutually be bonded with cell piece Al-BSF, to reduce light losing, increase opto-electronic conversion effect
Rate, and then increase the output power of photovoltaic module.The crest line direction of the microprism and the angled setting in length substrate direction, can
To increase the area of reflecting surface, so that the light reflected is reached greater area of cell piece surface and recycled, improve light
Energy utilization rate, increases the output power of photovoltaic module.The insulating layer is set to reflective layer upper surface, can increase the anti-of reflective layer
Light effect, and play insulation effect.That is, the insulating layer can further increase the reflector efficiency of reflective layer, in turn
The efficiency of light energy utilization is further increased, the output power of photovoltaic module is increased, so as to achieve the effect that synergy of insulating.
Due to the area of different latitude, the angle of sunlight is different, such as the micro- rib of Xinjiang region and Jiangsu Province most preferably
The crest line direction of mirror is different with length substrate direction angulation, we can accordingly make according to the angle of sunlight
Corresponding adjustment.It is described in order to achieve the purpose that gain film production versatility in other embodiments of the utility model
The crest line direction of microprism and length substrate direction angulation are preferably 15 °~65 °, most preferably 45 °.Using above-mentioned technology
The advantageous effect of scheme is:In conjunction with main photovoltaic using geography and illumination particularity intensively, most preferably 45 °, gain film is improved
Versatility.
It is described in order to achieve the purpose that improve reflective structure stability in other embodiments of the utility model
The prism vertex angle angle of microprism is preferably 60 °~150 °, preferably 120 °.It is using the advantageous effect of above-mentioned technical proposal:
Ensure structural stability while improving reflective area.
In other embodiments of the utility model, in order to achieve the purpose that refine micro-structure, the microprism
Prism bases width is 50 μm.It is using the advantageous effect of above-mentioned technical proposal:Under the guarantee of Mold Making ability, refinement is micro-
Structure can preferably recycle incident ray.
As shown in Fig. 2, in other embodiments of the utility model, effective reflecting surface is further increased in order to reach
Purpose, in such a way that microprism and pyramid are compound, microprism layer 2 is equipped with poly-V-grooved to structure the structure of gain film
At pyramid, pyramid bottom edge direction and the microprism base vertical.As shown in figure 3, in other realities of the utility model
It applies in mode, in order to achieve the purpose that further increase effective reflecting surface, the structure of gain film is by the way of pyramid.
It is using the advantageous effect of above-mentioned technical proposal:Reflecting surface becomes microstructure unit tetrahedron, and reflecting surface is had
Power increases, and reflection light uniformly reaches cell piece surface after sheet glass is totally reflected.
In other embodiments of the utility model, in order to achieve the purpose that build non-uniform reflection face, the gold word
Bottom of tower hem width degree is 50 μm.It is using the advantageous effect of above-mentioned technical proposal:It is consistent with prism dimensions, constitute uniform four sides
Body ensures that light reflection is uniform.
In other embodiments of the utility model, stablize micro-structure, micro- rib to achieve the purpose that make
Mirror layer is ultra-violet curing glue-line made of UV solidifications.It is using the advantageous effect of above-mentioned technical proposal:First make and micro-structure phase
Corresponding precision die covers uv-curable glue in substrate surface, then in conjunction with precision die, is generated using UV curing technologies micro-
Layers of prisms, forming precision is high, and is integrated chemical conversion type, ensures the stability of micro-structure.
It is described in order to achieve the purpose that reflective layer is at low cost, effect is good in other embodiments of the utility model
Reflective layer is plating aluminium alloy.It is using the advantageous effect of above-mentioned technical proposal:Obtained reflective layer is of low cost, reflecting effect
Good, corrosion resistance is strong.
In other embodiments of the utility model, it can be combined with cell piece Al-BSF surface to reach gain film
Stable purpose, the gum layer are EVA or EPO hot melt adhesive.It is using the advantageous effect of above-mentioned technical proposal:It is at low cost, patch
It is convenient in cell piece Al-BSF surface, securely.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or more in the description of the present invention, remove
It is non-separately to have clearly specific restriction.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be
Mechanical connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside makes changes, modifications, substitutions and variations to the above described embodiments, each falls within the scope of protection of the utility model.
Claims (10)
1. a kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing, which is characterized in that including:
Base material;
Microprism layer, the microprism layer are multiple microprism arrays and are set on the upper surface of the base material, wherein microprism
Crest line direction and length substrate direction angulation at 0 °~90 °;
Reflective layer, the reflective layer are covered on the upper surface of the microprism layer;
Insulating layer, the insulating layer are located on the upper surface of the reflective layer, and insulating layer can not only play insulating effect, but also
The reflector efficiency of reflective layer can be further increased, and then further increases the efficiency of light energy utilization, increases the output work of photovoltaic module
Rate, so as to achieve the effect that synergy of insulating;
Gum layer, the gum layer are set on the upper surface of the insulating layer;
Release film, the release film are located on the upper surface of the gum layer.
2. the pressure sensitive gain film according to claim 1 in photovoltaic module string spacing and piece spacing, feature exists
In the crest line direction of the microprism and length substrate direction angulation are at 15 °~65 °.
3. the pressure sensitive gain film according to claim 2 in photovoltaic module string spacing and piece spacing, feature exists
In the crest line direction of the microprism and length substrate direction angulation are at 45 °.
4. the pressure sensitive gain film according to claim 1 in photovoltaic module string spacing and piece spacing, feature exists
In the prism vertex angle angle of the microprism is 60 °~150 °.
5. the pressure sensitive gain film according to claim 4 in photovoltaic module string spacing and piece spacing, feature exists
In the prism vertex angle angle of the microprism is preferably 120 °.
6. the pressure sensitive gain film according to claim 1 in photovoltaic module string spacing and piece spacing, feature exists
In the prism base width of the microprism is 50 μm.
7. the pressure sensitive gain film according to claim 1 in photovoltaic module string spacing and piece spacing, feature exists
In the microprism layer is equipped with poly-V-grooved to become pyramid, V-shaped groove bottom edge direction and the microprism bottom
Side is vertical.
8. the pressure sensitive gain film according to claim 7 in photovoltaic module string spacing and piece spacing, feature exists
In the pyramid base width is 50 μm.
9. the pressure sensitive gain film according to claim 1 in photovoltaic module string spacing and piece spacing, feature exists
In the microprism layer is ultra-violet curing glue-line made of UV solidifications, and the reflective layer is plating aluminium alloy.
10. the pressure sensitive gain film according to claim 1 in photovoltaic module string spacing and piece spacing, feature exists
In the gum layer is EVA or EPO hot melt adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521127.1U CN208000930U (en) | 2018-04-12 | 2018-04-12 | A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820521127.1U CN208000930U (en) | 2018-04-12 | 2018-04-12 | A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000930U true CN208000930U (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820521127.1U Active CN208000930U (en) | 2018-04-12 | 2018-04-12 | A kind of pressure sensitive gain film in photovoltaic module string spacing and piece spacing |
Country Status (1)
| Country | Link |
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| CN (1) | CN208000930U (en) |
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2018
- 2018-04-12 CN CN201820521127.1U patent/CN208000930U/en active Active
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