CN207458970U - 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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- CN207458970U CN207458970U CN201721085292.9U CN201721085292U CN207458970U CN 207458970 U CN207458970 U CN 207458970U CN 201721085292 U CN201721085292 U CN 201721085292U CN 207458970 U CN207458970 U CN 207458970U
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- microprism
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- photovoltaic module
- 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 proposes a kind of reflective membranes on photovoltaic module welding strip, including base material, gum layer, microprism layer, reflector layer, insulating layer, the gum layer is arranged on the base material lower surface, the microprism layer is multiple microprism arrays, arranged on the upper surface of the base material, the crest line direction of the microprism is set with the length substrate direction into 15 °~65 ° angles, the reflector layer is covered in the microprism layer surface, the insulating layer is arranged on reflector layer upper surface, each microprism is positive N prisms, and N is the natural number more than 3.According to the utility model embodiment for the reflective membrane on photovoltaic module welding strip, the insulating layer is arranged on reflector layer upper surface, can increase the reflecting effect of reflector layer, and play insulation effect.That is, the insulating layer can further increase the reflector efficiency of reflector layer, and then the efficiency of light energy utilization is further improved, increase the output power of photovoltaic module, so as to achieve the effect that synergy of insulating.
Description
Technical field
The utility model is related to a kind of reflective membrane, particularly a kind of reflective membranes 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
The welding of card welding and cell piece is firm 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 sunlight, this part sunlight cannot be utilized by solar panel, cause luminous energy
Waste.
There is part welding body to be equipped with striated structure and be used for reflection light, but welding base material is copper material item 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, table
Layer is equipped with the microstructured layers of prism-like, of simple structure and low cost, can improve the efficiency of light energy utilization of photovoltaic module, but due to micro-
Prism structure crest line is along welding length direction, and the light of reflection can only be reflected into the regional area of cell piece, not fill
Divide and utilize full wafer cell piece.
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 be to propose it is a kind of can increase the reflecting effect of reflector layer, and play
The reflective membrane being used on photovoltaic module welding strip of insulation effect.
According to the utility model embodiment for the reflective membrane on photovoltaic module welding strip, including base material, gum layer, micro- rib
Mirror layer, reflector layer, insulating layer, the gum layer are arranged on the base material lower surface, and the microprism layer is multiple microprism arrays,
Arranged on the upper surface of the base material, the crest line direction of the microprism is set with the length substrate direction into 15 °~65 ° angles
It puts, the reflector layer is covered in the microprism layer surface, and the insulating layer is arranged on reflector layer upper surface, each microprism
It is positive N prisms, N is the natural number more than 3.
According to the utility model embodiment for the reflective membrane on photovoltaic module welding strip, the insulating layer is arranged on reflector layer
Upper surface, can increase the reflecting effect of reflector layer, and play insulation effect.That is, the insulating layer can be further
Increase the reflector efficiency of reflector layer, and then further improve the efficiency of light energy utilization, increase the output power of photovoltaic module, so as to reach
To the effect of insulation synergy.
Advantageously, the crest line direction of the microprism and length substrate direction angulation are preferably 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 bases width of the microprism is 50 μm.
Advantageously, there are multiple W shapes horn structures on the one side of the microprism.
Advantageously, the microprism layer is equipped with poly-V-grooved, and V-shaped groove base direction is hung down with the microprism base
Directly.
Advantageously, the V-shaped groove opening width is 50 μm.
Advantageously, the ultra-violet curing glue-line that the microprism layer forms for UV curings, the reflector layer are plating aluminium alloy.
Advantageously, the gum layer is EVA 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 structure diagram of the utility model.
Fig. 2 is a kind of structure diagram of embodiment of the utility model with W shape wedge angles.
Fig. 3 is a kind of structure diagram of embodiment of the utility model with V-shaped groove.
Fig. 4 is the utility model reflection light principle schematic in photovoltaic module.
Number and the title of the corresponding component represented by letter in figure：
1- base materials；2- gum layers；3- microprism layers；4- reflector layers；5-V shape slots；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
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
Below with reference to the accompanying drawings it is described in detail according to the utility model embodiment for reflective on photovoltaic module welding strip
Film.
As shown in Figure 1, a kind of embodiment in the utility model is：It is a kind of for reflective on photovoltaic module welding strip
Film, including base material 1, gum layer 2, microprism layer 3, reflector layer 4, insulating layer (not shown), gum layer 2 is arranged on 1 lower surface of base material,
Microprism layer 3 is multiple microprism arrays, and arranged on the upper surface of base material 1, reflector layer 4 is covered in 3 surface of microprism layer, microprism
Crest line direction and length substrate direction set into 15 °~65 ° angles, the reflector layer is covered in the microprism layer surface,
The insulating layer is arranged on 4 upper surface of reflector layer, and each microprism is positive N prisms, and N is the natural number more than 3.
It is using the advantageous effect of above-mentioned technical proposal：The crest line direction of the microprism is at an angle of with length substrate direction
It sets, the area of reflecting surface can be increased, the light reflected is also made to reach greater area of cell piece surface and is recycled,
The efficiency of light energy utilization is improved, increases the output power of photovoltaic module.The insulating layer is arranged on reflector layer upper surface, can increase reflective
The reflecting effect of layer, and play insulation effect.That is, the insulating layer can further increase the reflective effect of reflector layer
Rate, and then the efficiency of light energy utilization is further improved, increase the output power of photovoltaic module, 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 reflective film production versatility in other embodiments of the utility model
The crest line direction of microprism and length substrate direction angulation are preferably 45 °.It is using the advantageous effect of above-mentioned technical proposal：
With reference to main photovoltaic using geography and illumination particularity intensively, preferably 45 °, the versatility of reflective membrane is improved.
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 60 °~150 °, is preferably 120 °.It is using the advantageous effect of above-mentioned technical proposal：It is carrying
Ensure structural stability while high 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, larger increase reflective area to reach
Purpose is equipped with multiple 10 structures of W shapes wedge angle on the one side of the microprism of solar irradiation concentration.Using above-mentioned technical proposal
Advantageous effect is：Reflective area is effectively increased, reflection light is made to reach the cell piece surface in bigger region, improves light-use
Rate.
As shown in figure 3, in other embodiments of the utility model, in order to reach further increase effective reflecting surface
Purpose, microprism layer 3 is equipped with poly-V-grooved 5,5 base direction of V-shaped groove and the microprism base vertical.Using above-mentioned skill
The advantageous effect of art scheme is：Reflecting surface becomes microstructure unit tetrahedron, and reflecting surface is effectively increased, and reflection light is through glass
Cell piece surface is uniformly reached after the total reflection of glass piece.
In other embodiments of the utility model, in order to achieve the purpose that build non-uniform reflection face, the V-shaped groove
Opening width is 50 μm.It is using the advantageous effect of above-mentioned technical proposal：It is consistent with prism dimensions, form uniform four sides
Body ensures that light reflection is homogeneous.
In other embodiments of the utility model, stablize micro-structure, micro- rib to achieve the purpose that make
The ultra-violet curing glue-line that mirror layer forms for UV curings.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 reflector layer is at low cost, effect is good in other embodiments of the utility model
Reflector layer is plating aluminium alloy.It is using the advantageous effect of above-mentioned technical proposal：Obtained reflector layer is of low cost, reflecting effect
Good, corrosion resistance is strong.
In other embodiments of the utility model, stable mesh can be combined with welding surface in order to reach reflective membrane
, the gum layer is EVA hot-melt adhesive.It is using the advantageous effect of above-mentioned technical proposal：It is at low cost, it is affixed on welding surface side
Just, securely.
The principle of the utility model reflection light in photovoltaic module, the utility model reflective membrane 8 are illustrated with reference to Fig. 4
It attaches in 9 surface of welding, incident ray 11 (sunlight) incides into reflection on the reflector layer of reflective membrane 8 through sheet glass 6 and changes path
It into reflection light 12, then is totally reflected change path through 6 surface of sheet glass and helps reflection light 13, eventually arrive at cell piece 7, absorb
Luminous energy.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the utility model
System.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the utility model, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific limit.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features contact directly 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 directly over second feature or oblique upper or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is fisrt feature immediately below second feature or obliquely downward or is merely representative of fisrt feature level height 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 the spy for combining the embodiment or example description
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 combines in an appropriate 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 different embodiments described in this specification or example and different embodiments or exemplary feature into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be interpreted as the limitation to the utility model, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, is changed, is replaced and modification, each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of reflective membrane on photovoltaic module welding strip, including base material, gum layer, microprism layer, reflector layer, insulating layer,
The gum layer is arranged on the base material lower surface, and the microprism layer is multiple microprism arrays, arranged on the upper table of the base material
Face, the crest line direction of the microprism are set with the length substrate direction into 15 °~65 ° angles, it is characterized in that：It is described reflective
Layer is covered in the microprism layer surface, and the insulating layer is arranged on reflector layer upper surface, and each microprism is positive N ribs
Mirror, N are the natural number more than 3.
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 and length substrate direction angulation are preferably 45 °.
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 are multiple W shapes horn structures on one side.
7. according to a kind of any reflective membranes on photovoltaic module welding strip of claim 1-6, it is characterized in that：It is described micro-
Layers of prisms is equipped 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 degree 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
For the ultra-violet curing glue-line that UV curings form, 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
For EVA hot-melt adhesive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085292.9U CN207458970U (en) | 2017-08-28 | 2017-08-28 | A kind of reflective membrane on photovoltaic module welding strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085292.9U CN207458970U (en) | 2017-08-28 | 2017-08-28 | A kind of reflective membrane on photovoltaic module welding strip |
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| CN207458970U true CN207458970U (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579132A (en) * | 2017-08-28 | 2018-01-12 | 善仁（浙江）新材料科技有限公司 | A kind of reflective membrane on photovoltaic module welding strip |
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2017
- 2017-08-28 CN CN201721085292.9U patent/CN207458970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579132A (en) * | 2017-08-28 | 2018-01-12 | 善仁（浙江）新材料科技有限公司 | A kind of reflective membrane on photovoltaic module welding strip |
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