CN206301822U - A kind of reflective membrane on photovoltaic module welding strip - Google Patents
A kind of reflective membrane on photovoltaic module welding strip Download PDFInfo
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- CN206301822U CN206301822U CN201621420337.9U CN201621420337U CN206301822U CN 206301822 U CN206301822 U CN 206301822U CN 201621420337 U CN201621420337 U CN 201621420337U CN 206301822 U CN206301822 U CN 206301822U
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- microprism
- photovoltaic module
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- welding strip
- reflective membrane
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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 provides a kind of reflective membrane on photovoltaic module welding strip, including base material, gum layer, microprism layer, reflector layer, the gum layer is located at the base material lower surface, the microprism layer is multiple microprism arrays, located at the upper surface of the base material, the reflector layer is covered in the microprism layer surface, and the crest line direction of the microprism is set with the length substrate direction into 15 ° of 65 ° of angles.The utility model is compared to prior art, the crest line direction of the microprism is angled with length substrate direction to be set, and can increase the area of reflecting surface, the light for reflecting is reached greater area of cell piece surface and is recycled, the efficiency of light energy utilization is improved, increases the power output of photovoltaic module.
Description
Technical field
The utility model is related to a kind of reflective membrane, particularly a kind of reflective membrane on photovoltaic module welding strip.
Background technology
Photovoltaic welding belt is applied to the connection between photovoltaic module cell piece, plays the conductive important function for gathering electricity.In order to protect
Card welding is firm with the welding of cell piece and prevents welding from corroding, and welding surface is coated with tin layers, when sun light direct beam to welding
During surface, tin layers can directly reflect away sunshine, and this part sunshine can not be utilized by cell panel, cause luminous energy
Waste.
There is part welding body to be provided with striated structure for reflection light, but welding base material is copper material bar in processing
Line structure is difficult to microstructure, and reflective surface is unsatisfactory, Tu Xihou, and it is uneven to easily cause tin thickness, easily causes battery
The fragment of piece, tin raw material price is high, blocked up to cause serious waste.
In the patent document of publication No. CN103413861A, disclose a kind of for photovoltaic module light reflecting membrane, its table
Layer is provided with the microstructured layers of prism-like, simple structure, with low cost, can improve the efficiency of light energy utilization of photovoltaic module, but due to micro-
Prism structure crest line is that, along welding length direction, the light of reflection can only reflex to the regional area of cell piece, not fill
Divide and utilize full wafer cell piece.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model there is provided a kind of simple structure, cost
It is low, reflection light can fully be recycled for the reflective membrane on photovoltaic module welding strip.
To reach above-mentioned purpose, the utility model solves the technical scheme that its technical problem used is：
A kind of reflective membrane on photovoltaic module welding strip, including base material, gum layer, microprism layer, reflector layer, the back of the body
Glue-line is located at the base material lower surface, and the microprism layer is multiple microprism arrays, described located at the upper surface of the base material
Reflector layer is covered in the microprism layer surface, it is characterized in that：The crest line direction of the microprism and the length substrate direction
Set into 15 ° of -65 ° of angles.
Compared to prior art, the crest line direction of the microprism is angled with length substrate direction to be set the utility model
Put, the area of reflecting surface can be increased, the light for reflecting is reached greater area of cell piece surface and recycled, carry
High-light-energy utilization rate, increases the power output of photovoltaic module.
Further, the crest line direction of the microprism is preferably 45 ° with length substrate direction angulation.
Using above-mentioned preferred scheme, with reference to main photovoltaic using geography and illumination particularity intensively, preferably 45 °, carry
The versatility of reflective membrane high.
Further, the prism vertex angle angle of the microprism is 60 ° -150 °, preferably 120 °.
Using above-mentioned preferred scheme, structural stability is ensured while reflective area is improved.
Further, the prism bases width of the microprism is 50 μm.
Using above-mentioned preferred scheme, under the guarantee of Mold Making ability, micro-structural is refined, can preferably by reflected light
Line is recycled.
Further, there is multiple W shape horn structures on the one side of the microprism.
Using above-mentioned preferred scheme, W shape horn structures are provided with the main smooth surface side of microprism, effectively increased anti-
Light area, improves the efficiency of light energy utilization.
Further, microprism layer is provided with poly-V-grooved, V-shaped groove base direction and the microprism base
Vertically.
Using above-mentioned preferred scheme, reflecting surface is changed into microstructure unit tetrahedron, and reflecting surface is effectively increased, reflection
Light is uniform after being totally reflected through sheet glass to reach cell piece surface.
Further, the V-shaped groove A/F is 50 μm.
It is consistent with prism dimensions using above-mentioned preferred scheme, constitute uniform tetrahedron, it is ensured that light line reflection is equal
One.
Further, the microprism layer is the ultra-violet curing glue-line of UV solidifications.
Using above-mentioned preferred scheme, the precision die corresponding with micro-structural is first made, then use UV curing technologies
Generation microprism layer, forming precision is high, and integrated shaping, it is ensured that the stability of micro-structural.
Further, the reflector layer is plating aluminium alloy.
Using above-mentioned preferred scheme, the reflector layer for obtaining is with low cost, and reflecting effect is good, and corrosion resistance is strong.
Further, the gum layer is EVA hot-melt adhesive.
Using above-mentioned preferred scheme, low cost is affixed on welding surface conveniently, firmly.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is a kind of structural representation of implementation method of the utility model with W shape wedge angles.
Fig. 3 is a kind of structural representation of implementation method of the utility model with V-shaped groove.
Fig. 4 is the utility model reflection light principle schematic in photovoltaic module.
The title of the corresponding component in figure represented by digital and letter：
1- base materials；2- gum layers；3- microprisms layer；4- reflector layers；5-V shape grooves；6- sheet glass；7- cell pieces；8- is reflective
Film；9- weldings；10-W shape wedge angles；11- incident rays；12- reflection lights；13- is totally reflected light.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
In order to reach the purpose of this utility model, as shown in figure 1, being in a kind of implementation method of the present utility model：It is a kind of
For the reflective membrane on photovoltaic module welding strip, including base material 1, gum layer 2, microprism layer 3, reflector layer 4, gum layer 2 is located at base
The lower surface of material 1, microprism layer 3 is multiple microprism arrays, and located at the upper surface of base material 1, reflector layer 4 is covered in microprism layer 3
Surface, crest line direction and the length substrate direction of microprism are set into 15 ° of -65 ° of angles.
Beneficial effect using above-mentioned technical proposal is：The crest line direction of the microprism is at an angle of with length substrate direction
Set, the area of reflecting surface can be increased, the light for reflecting is reached greater area of cell piece surface and recycled,
The efficiency of light energy utilization is improved, increases the power output of photovoltaic module.
Due to the area of different latitude, the angle of sunshine is different, the optimal micro- rib in such as Xinjiang region and Jiangsu Province
The crest line direction of mirror differs with length substrate direction angulation, and we can accordingly make according to the angle of sunlight
Corresponding adjustment.It is described in order to reach the purpose of reflective film production versatility in other implementation methods of the present utility model
The crest line direction of microprism is preferably 45 ° with length substrate direction angulation.Beneficial effect using above-mentioned technical proposal is：
With reference to main photovoltaic using geography and illumination particularity intensively, preferably 45 °, the versatility of reflective membrane is improved.
In other implementation methods of the present utility model, the purpose of reflective structure stability is improved to reach, it is described
The prism vertex angle angle of microprism is 60 ° -150 °, preferably 120 °.Beneficial effect using above-mentioned technical proposal is：Improving
Ensure structural stability while reflective area.
In other implementation methods of the present utility model, in order to reach the purpose of refinement micro-structural, the microprism
Prism bases width is 50 μm.Beneficial effect using above-mentioned technical proposal is：Under the guarantee of Mold Making ability, refine micro-
Structure, preferably can recycle incident ray.
As shown in Fig. 2 in other implementation methods of the present utility model, reflective area is larger increased in order to reach
Purpose, multiple structures of W shapes wedge angle 10 are provided with the one side of the microprism concentrated in solar irradiation.Using above-mentioned technical proposal
Beneficial effect is：Reflective area is effectively increased, reflection light is reached the cell piece surface in bigger region, improve light-use
Rate.
As shown in figure 3, in other implementation methods of the present utility model, in order to reach further increase effective reflecting surface
Purpose, microprism layer 3 is provided with poly-V-grooved 5, the base direction of V-shaped groove 5 and the microprism base vertical.Using above-mentioned skill
The beneficial effect of art scheme is：Reflecting surface is changed into microstructure unit tetrahedron, and reflecting surface is effectively increased, and reflection light is through glass
It is uniform after the total reflection of glass piece to reach cell piece surface.
In other implementation methods of the present utility model, the purpose in non-uniform reflection face, the V-shaped groove are built to reach
A/F is 50 μm.Beneficial effect using above-mentioned technical proposal is：It is consistent with prism dimensions, constitute uniform four sides
Body, it is ensured that light line reflection is homogeneous.
In other implementation methods of the present utility model, the purpose of stabilization micro-structural, micro- rib are made to reach
Mirror layer is the ultra-violet curing glue-line of UV solidifications.Beneficial effect using above-mentioned technical proposal is：First make and micro-structural phase
Corresponding precision die, uv-curable glue is covered in substrate surface, then in conjunction with precision die, is generated using UV curing technologies micro-
Layers of prisms, forming precision is high, and integrated shaping, it is ensured that the stability of micro-structural.
In other implementation methods of the present utility model, the purpose good in order to reach reflector layer low cost, effect is described
Reflector layer is plating aluminium alloy.Beneficial effect using above-mentioned technical proposal is：The reflector layer for obtaining is with low cost, reflecting effect
Good, corrosion resistance is strong.
In other implementation methods of the present utility model, the mesh of stabilization can be combined with welding surface in order to reach reflective membrane
, the gum layer is EVA hot-melt adhesive.Beneficial effect using above-mentioned technical proposal is：Low cost, is affixed on welding surface side
Just, firmly.
The principle of the utility model reflection light in photovoltaic module, the utility model reflective membrane 8 are illustrated with reference to Fig. 4
Attach in the surface of welding 9, incident ray 11 (sunlight) is incided to be reflected on the reflector layer of reflective membrane 8 through sheet glass 6 and changes path
Into reflection light 12, then reflection light 13 is helped through the surface of sheet glass 6 total reflection change path, eventually arrive at cell piece 7, absorbed
Luminous energy.
Above-described embodiment only to illustrate technology design of the present utility model and feature, its object is to allow the common skill in this area
Art personnel will appreciate that content of the present utility model and are carried out, and can not limit protection domain of the present utility model with this,
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover in protection domain of the present utility model
It is interior.
Claims (10)
1. a kind of reflective membrane on photovoltaic module welding strip, including base material, gum layer, microprism layer, reflector layer, the gum
Layer is located at the base material lower surface, and the microprism layer is multiple microprism arrays, described anti-located at the upper surface of the base material
Photosphere is covered in the microprism layer surface, it is characterized in that：The crest line direction of the microprism and the length substrate direction into
15 ° of -65 ° of angles are set.
2. a kind of reflective membrane on photovoltaic module welding strip according to claim 1, it is characterized in that：The microprism
Crest line direction is preferably 45 ° with length substrate direction angulation.
3. a kind of reflective membrane on photovoltaic module welding strip according to claim 1, it is characterized in that：The microprism
Prism vertex angle angle is 60 ° -150 °.
4. a kind of reflective membrane on photovoltaic module welding strip according to claim 3, it is characterized in that：The microprism
Prism vertex angle angle is preferably 120 °.
5. a kind of reflective membrane on photovoltaic module welding strip according to claim 1, it is characterized in that：The microprism
Prism bases width is 50 μm.
6. a kind of reflective membrane on photovoltaic module welding strip according to claim 1, it is characterized in that：The microprism
There is multiple W shape horn structures on one side.
7. according to a kind of any described reflective membranes on photovoltaic module welding strip of claim 1-6, it is characterized in that：It is described micro-
Layers of prisms is provided with poly-V-grooved, V-shaped groove base direction and the microprism base vertical.
8. a kind of reflective membrane on photovoltaic module welding strip according to claim 7, it is characterized in that：The V-shaped groove is opened
Mouth width is 50 μm.
9. a kind of reflective membrane on photovoltaic module welding strip according to claim 7, it is characterized in that：The microprism layer
It is the ultra-violet curing glue-line of UV solidifications, the reflector layer is plating aluminium alloy.
10. a kind of reflective membrane on photovoltaic module welding strip according to claim 7, it is characterized in that：The gum layer
It is EVA hot-melt adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420337.9U CN206301822U (en) | 2016-12-22 | 2016-12-22 | A kind of reflective membrane on photovoltaic module welding strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420337.9U CN206301822U (en) | 2016-12-22 | 2016-12-22 | A kind of reflective membrane on photovoltaic module welding strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301822U true CN206301822U (en) | 2017-07-04 |
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ID=59205564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621420337.9U Active CN206301822U (en) | 2016-12-22 | 2016-12-22 | A kind of reflective membrane on photovoltaic module welding strip |
Country Status (1)
| Country | Link |
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| CN (1) | CN206301822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369735A (en) * | 2017-07-31 | 2017-11-21 | 善仁（浙江）新材料科技有限公司 | A kind of reflective membrane on photovoltaic module welding strip |
| CN107833934A (en) * | 2017-12-11 | 2018-03-23 | 浙江宝利特新能源股份有限公司 | A kind of film and photovoltaic module and preparation method for photovoltaic module |
-
2016
- 2016-12-22 CN CN201621420337.9U patent/CN206301822U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369735A (en) * | 2017-07-31 | 2017-11-21 | 善仁（浙江）新材料科技有限公司 | A kind of reflective membrane on photovoltaic module welding strip |
| CN107833934A (en) * | 2017-12-11 | 2018-03-23 | 浙江宝利特新能源股份有限公司 | A kind of film and photovoltaic module and preparation method for photovoltaic module |
| CN107833934B (en) * | 2017-12-11 | 2023-12-19 | 浙江宝利特新能源股份有限公司 | Film for photovoltaic module, photovoltaic module and preparation method |
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