CN208400858U - A kind of film and photovoltaic module for photovoltaic module - Google Patents
A kind of film and photovoltaic module for photovoltaic module Download PDFInfo
- Publication number
- CN208400858U CN208400858U CN201721716289.2U CN201721716289U CN208400858U CN 208400858 U CN208400858 U CN 208400858U CN 201721716289 U CN201721716289 U CN 201721716289U CN 208400858 U CN208400858 U CN 208400858U
- Authority
- CN
- China
- Prior art keywords
- photovoltaic module
- film
- layer
- micropore
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010410 layer Substances 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 24
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000004907 flux Effects 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001579 optical reflectometry Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of film for photovoltaic module and the photovoltaic module using the film, a kind of film for photovoltaic module, it from bottom to top include adhesive layer and pet layer, the film is only used for the region on the welding and/or photovoltaic module on covering photovoltaic module between each cell piece.After welding being covered using the film of the utility model, then carry out EVA encapsulation, due to there is PET to play buffer action, the film of flux residue on welding will not directly be contacted with encapsulation EVA, thoroughly prevent chemical reaction bring adverse consequences between the two.
Description
Technical field
The utility model relates to photovoltaic cell field, especially a kind of film for photovoltaic module.
Background technique
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, and therefore, meeting band helps on welding
Solder flux residual, after photovoltaic module completes EVA encapsulation, these film of flux residue will directly be contacted with EVA, and be occurred slow
Slow chemical reaction generates bubble, causes entire photovoltaic module quality decline.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a kind of for photovoltaic module
Film and photovoltaic module.
In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of film for photovoltaic module, includes adhesive layer and pet layer from bottom to top, and the film is only used for covering photovoltaic group
Region on welding and/or photovoltaic module on part between each cell piece.
After welding being covered using the film of the utility model, then carry out EVA encapsulation, due to there is PET to play buffer action,
Film of flux residue on welding will not directly be contacted with encapsulation EVA, thoroughly prevent chemical reaction bring between the two
Adverse consequences.
Preferably, the pet layer is black or tri- parameter of RGB is equal to or the color less than 10.Using black PET, subtract
The light reflectivity of few component reduces pollution of the dazzle to environment.
Preferably, the pet layer includes base and surface layer, and the surface layer is that black or tri- parameter of RGB are equal to or are less than
10 color.
Preferably, the surface layer has several micropores, and transparent middle layer is additionally provided between the base and surface layer, described
The one side of base and middle layer contact is coated with reflective layer.
Preferably, the micropore is arranged according to rule.
In some embodiments, every group of micropore is arranged along the length direction rule of reflectance coating.For example, arrange by matrix, or
Person's dislocation is continued in all directions or two sides continuously arrange etc..Wherein, according to different different regions latitudes, according to the incidence of sunlight
Angle, the angle of axis and pet layer surface to every group of micropore carry out appropriate adjustment, meanwhile, to two sides of prism in base
Angle be adjusted correspondingly, so that it may sunlight is reflected into the working region of cell piece, wherein difference group micropores axis
Line and the angle of PEY layer surface can be different, e.g. in periodically variable, to meet to the morning, noon, afternoon not
Reflection with sunlight needs.For example, further, vertical micropore can be made into funnel shaped, there is facing surface in aperture
Lower lower part is gradually reduced, its range for importing sunlight can be improved in this way.Using this programme, can both be mentioned with reflective portion sunlight
The utilization efficiency of high sunlight, while can satisfy the rigors to dazzle pollution again, meet the needs of different application.
In the surface layer of pet layer, several micropores are set, for example, according to matrix arrangement, text profile arrangement or other regularity,
Periodic arrangement, sunlight pass through the reflected light such as starbright of these micropores, have both eliminated dazzle pollution, and can bring aesthetic feeling.
Preferably, the micropore is arranged in groups, and every group of micropore includes that a vertical micropore and each one of left and right lean outward
Oblique micropore.
Preferably, the base is equipped with microprism, and is located at below every group of micropore, and the crest line of the microprism, which is located at, to hang down
The underface of straight micropore, two side are vertical with the axis for the micropore that two are inclined outwardly respectively.
It is communicated between every group of micropore in bottom, it therefore, all may be from other micro- from the sunlight of any micropore incidence
It is reflected away in hole.When microprism is arranged under vertical micropore, the sunlight of noon vertical incidence is only capable of from vertical micropore
It injects, is then gone out by two sides of microprism from two inclined micro-voided reflectives, the sunlight reflected away is by encapsulation glass
The secondary reflection again of glass, can be irradiated to the working region of cell piece, in this way, not only having eliminated dazzle pollution, but also improve the benefit of sunlight
With rate, the solar energy conversion efficiency of entire photovoltaic module is improved.
The utility model also provides a kind of photovoltaic module, including back board module, frame, glass panel, multiple cell pieces, company
Connect the welding and any of the above-described film for photovoltaic module on cell piece surface, the film be covered on welding and/or
Region on photovoltaic module between each cell piece.
Preferably, the cell piece and frame all have the surface layer of black.
The utility model also provides a kind of preparation method of photovoltaic module, any of the above-described described for photovoltaic including using
Behind the film covering welding surface of component, then the step of carrying out EVA encapsulation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be 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
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model another embodiment.
The title of number and corresponding component represented by letter in figure:
1-PET layers；2- adhesive layer；11- surface layer；12- base；13- middle layer；The inclined micropore of 112-；111- is vertical
Micropore；121- prism.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to reach the purpose of this utility model, as shown in Figure 1, a kind of film for photovoltaic module, includes from bottom to top
Adhesive layer 2 and pet layer 1, the film are only used on the welding and/or photovoltaic module on covering photovoltaic module between each cell piece
Region.
After covering welding using the film of the utility model, then EVA encapsulation is carried out, made due to there are PET layers to play isolation
With the film of flux residue on welding will not directly be contacted with encapsulation EVA, and the chemical reaction thoroughly prevented between the two is brought
Adverse consequences.Adhesive layer can be hot melt adhesive coating or other adhesive coatings.
In some embodiments, in order to further obtain low dazzle characteristic, the pet layer is that black or tri- parameter of RGB are equal
Color equal to or less than 10.Using black PET, the light reflectivity of component is reduced, reduces pollution of the dazzle to environment.
In some embodiments, the pet layer includes base and surface layer, and the surface layer is that black or tri- parameter of RGB are impartial
In or less than 10 color.
As shown in Fig. 2, in some embodiments, the surface layer 11 has several micropores, the base 12 and surface layer 11 it
Between be additionally provided with transparent middle layer 13, the one side that the base 12 and middle layer 13 contact is coated with reflective layer.
Preferably, the micropore is arranged according to rule.
Wherein, several micropores are set in the surface layer of pet layer 11, such as arrange according to matrix, text profile arrangement or other
Regularity, periodic arrangement, sunlight pass through the reflected light such as starbright of these micropores, dazzle pollution have both been eliminated, with regard to energy band
Carry out aesthetic feeling.
In example as shown in Figure 2, the micropore is arranged in groups, and every group of micropore includes a vertical micropore 111 and a left side
Right each micropore 112 being inclined outwardly.
At the same time it can also which microprism 121 is arranged in the base, and it is located at below every group of micropore, the microprism 121
Crest line be located at the underface of vertical micropore 111, two side is hung down with the axis of two micropores being inclined outwardly 112 respectively
Directly.
It is communicated between every group of micropore in bottom, it therefore, all may be from other micro- from the sunlight of any micropore incidence
It is reflected away in hole.When microprism 121 is arranged under vertical micropore 111, the sunlight of noon vertical incidence is only capable of from vertical
It is injected in micropore 111, is then reflected away, reflect away from two inclined micropores 112 by two sides of microprism 121
Sunlight passes through the secondary reflection again of packaged glass, can be irradiated to the working region of cell piece, in this way, dazzle pollution had not only been eliminated, but also
The utilization rate for improving sunlight improves the solar energy conversion efficiency of entire photovoltaic module.
Wherein, sunlight reflects bring angle change through middle layer 13, needs to count, finally to determine that inclination is micro-
The angle in hole 112.
If polyhedral cone shaped microprism is provided that below every group of micropore, and every one side not with vertical micropore
Vertical plane where axis is orthogonal (i.e. any straight line perpendicular to certain one side, not on the vertical plane).At this point, inclination is micro-
The quantity in hole is identical with the side quantity of microprism, and its inclination angle is determined by the angle of corresponding side surface, the refractive index of middle layer,
As long as ensuring by the sunlight of vertical micropore incidence, by each offside reflection of taper microprism, by the corresponding inclination in each side
Micropore projects.
The utility model also provides a kind of photovoltaic module, including back board module, frame, glass panel, multiple cell pieces, company
Connect the welding and any of the above-described film for photovoltaic module on cell piece surface, the film be covered on welding and/or
Region on photovoltaic module between each cell piece.
Preferably, the cell piece and frame all have the surface layer of black.
The utility model also provides a kind of preparation method of photovoltaic module, any of the above-described described for photovoltaic including using
Behind the film covering welding surface of component, then the step of carrying out EVA encapsulation.
Photovoltaic module provided by the utility model and the photovoltaic module prepared using this method, can have prevents scaling powder
Problem brought by being reacted with EVA encapsulating material, and pollution of the dazzle to environment can be further decreased, in addition, if it is desired,
It can also beautify the environment and improve the utilization efficiency of sunlight.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow the common skill in this field
Art personnel can understand the content of the utility model and be implemented, and not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (7)
1. a kind of film for photovoltaic module, which is characterized in that from bottom to top include adhesive layer and pet layer, the film is only used for
Cover the region on the welding and/or photovoltaic module on photovoltaic module between each cell piece；The pet layer includes base and face
Layer, the surface layer is black or tri- parameter of RGB is equal to or the color less than 10；The surface layer has several micropores, the base
Transparent middle layer is additionally provided between layer and surface layer, the one side that the base and middle layer contact is coated with reflective layer.
2. the film according to claim 1 for photovoltaic module, which is characterized in that the pet layer is that black or RGB tri- join
Number is equal to or the color less than 10.
3. the film according to claim 1 for photovoltaic module, which is characterized in that the micropore is arranged according to rule.
4. the film according to claim 3 for photovoltaic module, which is characterized in that the micropore is arranged in groups, and every group micro-
Hole includes each micropore being inclined outwardly of a vertical micropore and left and right.
5. the film according to claim 4 for photovoltaic module, which is characterized in that the base is equipped with microprism, and
Below every group of micropore, the crest line of the microprism is located at the underface of vertical micropore, two side respectively with two to
The axis of the micropore of outer incline is vertical.
6. a kind of photovoltaic module, which is characterized in that including back board module, frame, glass panel, multiple cell pieces, be connected to electricity
Any film for photovoltaic module of the welding and claim 1-5 on pond piece surface, the film be covered on welding with/
Or the region on photovoltaic module between each cell piece.
7. photovoltaic module according to claim 6, which is characterized in that the cell piece and frame all have the table of black
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716289.2U CN208400858U (en) | 2017-12-11 | 2017-12-11 | A kind of film and photovoltaic module for photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716289.2U CN208400858U (en) | 2017-12-11 | 2017-12-11 | A kind of film and photovoltaic module for photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208400858U true CN208400858U (en) | 2019-01-18 |
Family
ID=65066777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721716289.2U Expired - Fee Related CN208400858U (en) | 2017-12-11 | 2017-12-11 | A kind of film and photovoltaic module for photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208400858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107863406A (en) * | 2017-12-11 | 2018-03-30 | 浙江宝利特新能源股份有限公司 | A kind of reflectance coating and photovoltaic module and preparation method for photovoltaic module |
-
2017
- 2017-12-11 CN CN201721716289.2U patent/CN208400858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107863406A (en) * | 2017-12-11 | 2018-03-30 | 浙江宝利特新能源股份有限公司 | A kind of reflectance coating 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |