CN211320115U - Photovoltaic cover plate and photovoltaic module - Google Patents
Photovoltaic cover plate and photovoltaic module Download PDFInfo
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- CN211320115U CN211320115U CN202020358818.1U CN202020358818U CN211320115U CN 211320115 U CN211320115 U CN 211320115U CN 202020358818 U CN202020358818 U CN 202020358818U CN 211320115 U CN211320115 U CN 211320115U
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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
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Abstract
The utility model discloses a photovoltaic cover plate, which is a cover plate of a laminated solar battery component for packaging a photovoltaic component; a battery piece accommodating groove is formed in the first surface of the photovoltaic cover plate, and the battery piece accommodating groove is a groove for accommodating the protruding part of the laminated solar battery assembly; the first surface is a surface of the photovoltaic cover plate that is proximate to the laminated solar module. The utility model discloses in through at photovoltaic apron surface design with lamination solar module assorted battery piece holding tank, make the photovoltaic apron with lamination solar module fully contacts, and stress evenly distributed in welding or lamination in-process is on whole lamination solar cell's the surface, greatly reduced lamination solar cell appears latent possibility of splitting or piece, the utility model discloses still provide a photovoltaic module who has above-mentioned beneficial effect simultaneously.
Description
Technical Field
The utility model relates to a photovoltaic new forms of energy field especially relates to a photovoltaic apron and photovoltaic module.
Background
Solar energy is regarded as an inexhaustible clean energy and is increasingly paid more attention by people in various fields. The solar cell has the function of converting solar energy into electric energy to push a terminal load to work. In recent years, the photovoltaic module technology has been developed dramatically, and the continuous innovation of the module technology is significant for realizing the low-price internet access of photovoltaic power generation.
As the demand for cost reduction and efficiency improvement of photovoltaic devices becomes more and more severe, the market demand for high power of modules becomes more and more severe, and therefore high packing density modules are slowly coming into the public sight, such as shingle and tile modules, which use the overlapping of the cells to increase the packing density of the modules for high power, but also bring many problems, wherein the hidden crack is a difficult problem to overcome, and because there are overlapping parts between the cells in the modules, and the overlapping parts are thicker than the solar cells at other positions (i.e. the protruding parts), the stress is most concentrated during welding or laminating, and hidden crack or fragment is easy to occur.
Therefore, the problem that how to solve the hidden cracking and fragmentation problems of the laminated solar cell module in the manufacturing process is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a photovoltaic apron and photovoltaic module to solve the photovoltaic module among the prior art and at the too high problem of the hidden rate of splitting of welding or the in-process of lamination, piece rate.
In order to solve the technical problem, the utility model provides a photovoltaic cover plate, which is a cover plate of a laminated solar battery component for packaging the photovoltaic component;
a battery piece accommodating groove is formed in the first surface of the photovoltaic cover plate, and the battery piece accommodating groove is a groove for accommodating the protruding part of the laminated solar battery assembly;
the first surface is a surface of the photovoltaic cover plate that is proximate to the laminated solar module.
Optionally, in the photovoltaic cover plate, the first surface further includes a solder strip receiving groove;
the welding strip accommodating groove is a groove for accommodating a welding strip of the laminated solar cell module.
Optionally, in the photovoltaic cover plate, the photovoltaic cover plate is a transparent cover plate.
Optionally, in the photovoltaic cover plate, the photovoltaic cover plate is a glass cover plate.
Optionally, in the photovoltaic cover plate, the glass cover plate is an antireflection glass cover plate.
Optionally, in the photovoltaic cover plate, the first surface of the glass cover plate has a textured microstructure.
A photovoltaic module comprising a photovoltaic cover sheet and a laminated solar cell module,
the photovoltaic cover plate is any one of the photovoltaic cover plates.
Optionally, in the photovoltaic module, the solder strip of the laminated solar cell module is a round wire solder strip.
Optionally, in the photovoltaic module, the laminated solar cell module is connected to the photovoltaic cover plate through an EVA glue layer.
The utility model provides a photovoltaic cover plate, which is a cover plate of a laminated solar battery component for packaging a photovoltaic component; a battery piece accommodating groove is formed in the first surface of the photovoltaic cover plate, and the battery piece accommodating groove is a groove for accommodating the protruding part of the laminated solar battery assembly; the first surface is a surface of the photovoltaic cover plate that is proximate to the laminated solar module. The utility model discloses in through at photovoltaic apron surface design with lamination solar module assorted battery piece holding tank, make the photovoltaic apron with lamination solar module fully contacts, no longer just like among the prior art battery piece among the lamination solar module overlaps the department (promptly the bulge) with the contact of photovoltaic apron, stress evenly distributed in welding or lamination process is on whole lamination solar cell's the surface, greatly reduced lamination solar cell appears the latent possibility of splitting or piece, the utility model discloses still provide a photovoltaic module who has above-mentioned beneficial effect simultaneously.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a specific embodiment of the photovoltaic glass provided by the present invention when being matched with other structures in a photovoltaic module;
fig. 2 is a schematic structural view of another embodiment of the photovoltaic glass provided by the present invention when being matched with other structures in a photovoltaic module;
fig. 3 is a schematic structural diagram of a specific embodiment of a photovoltaic module provided by the present invention.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a photovoltaic cover plate 100, the structure schematic diagram of one specific implementation when cooperating with other structures in the photovoltaic module is shown in fig. 1, the photovoltaic cover plate 100 is the cover plate of the laminated solar module 200 for packaging the photovoltaic module;
the photovoltaic cover plate 100 has a cell receiving groove 110 on a first surface, and the cell receiving groove 110 is a groove for receiving the protruding part 210 of the laminated solar cell module 200;
the first surface is the surface of the photovoltaic cover sheet 100 adjacent to the laminated solar cell assembly 200.
Since neither the protrusion 210 nor the cell receiving groove 110 is a component, but is a structural shape, it is enclosed by a circular dashed box in fig. 1, which is not a structure in the photovoltaic module itself.
The utility model provides a photovoltaic cover plate 100, the photovoltaic cover plate 100 is the cover plate of the laminated solar cell module 200 for packaging the photovoltaic module; the photovoltaic cover plate 100 has a cell receiving groove 110 on a first surface, and the cell receiving groove 110 is a groove for receiving the protruding part 210 of the laminated solar cell module 200; the first surface is the surface of the photovoltaic cover sheet 100 adjacent to the laminated solar cell assembly 200. The utility model discloses in through at photovoltaic apron 100 surface design with lamination solar module 200 assorted battery piece holding tank 110, make photovoltaic apron 100 with lamination solar module 200 fully contacts, no longer just like among the prior art battery piece among the lamination solar module 200 overlaps the department (promptly the bulge 210) with photovoltaic apron 100 contacts, and at welding or the stress evenly distributed of lamination in-process on whole lamination solar cell's the surface, greatly reduced lamination solar cell appears the possibility of latent crack or piece.
On the basis of the first specific embodiment, the first surface is further improved to obtain a second specific embodiment, and a schematic structural diagram of the second specific embodiment when the second specific embodiment is matched with other structures in a photovoltaic module is shown in fig. 2, wherein the photovoltaic cover plate 100 is a cover plate of a laminated solar cell module 200 for packaging the photovoltaic module;
the photovoltaic cover plate 100 has a cell receiving groove 110 on a first surface, and the cell receiving groove 110 is a groove for receiving the protruding part 210 of the laminated solar cell module 200;
the first surface is the surface of the photovoltaic cover sheet 100 adjacent to the laminated solar cell assembly 200;
the first surface further comprises a solder strip receiving groove;
the solder strip receiving groove is a groove for receiving the solder strip 220 of the laminated solar cell module 200.
The difference between this embodiment and the above embodiment is that this embodiment further adds a solder strip receiving groove for receiving the solder strip 220 to the first surface, and the rest of the structure is the same as that of the above embodiment, and will not be described herein again.
In this embodiment, the solder strip receiving groove is further added to the first surface, so that stress is further uniformly distributed at the protruding solder strip 220 and other positions lower than the corresponding position on the basis of uniform action of the stress on the laminated solar cell module 200, and the fragment rate and the subfissure rate are further reduced.
It should be noted that fig. 1 is a sectional view of a long side of the photovoltaic module, and fig. 2 is a sectional view of a short side of the photovoltaic module, so that the saw-toothed cell accommodating groove 110 in fig. 1 is not shown in fig. 2, and is not present, but the angle difference cannot be shown in the sectional view.
On the basis of the second specific embodiment, the first surface is further improved to obtain a third specific embodiment, and the structural schematic diagram of the third specific embodiment when the third specific embodiment is matched with other structures in a photovoltaic module is the same as that of the above specific embodiment, and the photovoltaic cover plate 100 is a cover plate of a laminated solar cell module 200 for packaging the photovoltaic module;
the photovoltaic cover plate 100 has a cell receiving groove 110 on a first surface, and the cell receiving groove 110 is a groove for receiving the protruding part 210 of the laminated solar cell module 200;
the first surface is the surface of the photovoltaic cover sheet 100 adjacent to the laminated solar cell assembly 200;
the first surface further comprises a solder strip receiving groove;
the solder strip accommodating groove is a groove for accommodating a solder strip 220 of the laminated solar cell module 200;
the photovoltaic cover plate 100 is a transparent cover plate;
the photovoltaic cover plate 100 is a glass cover plate.
The difference between the present embodiment and the foregoing embodiment is that the photovoltaic cover 100 is defined as a transparent cover in the present embodiment, and the rest of the structure is the same as that in the foregoing embodiment, and is not further described herein.
In this embodiment, the photovoltaic cover 100 is defined as a transparent cover, and in the transparent material, glass is preferred due to high light transmittance, easy processing and low cost.
The front cover plate of the photovoltaic module is an incident surface of light, so a transparent cover plate must be used, and the back plate of the photovoltaic module is different from the laminated solar cell module 200 in type, such as a double-sided battery module, and the corresponding back photovoltaic cover plate 100 is also a transparent cover plate, but in the case of a single-sided battery module, the back photovoltaic cover plate 100 may be a white cover plate to improve the reflectivity of the leaked light, so that the leaked light is absorbed by the cell.
Furthermore, the glass cover plate is an antireflection glass cover plate, and more incident light can enter the photovoltaic module through the antireflection glass, and the laminated solar cell module 200 can wash hands, so that the photoelectric conversion rate is further improved. Furthermore, the first surface of the glass cover plate is provided with a suede microstructure, so that the antireflection rate is improved.
The utility model also provides a photovoltaic component, which comprises a photovoltaic cover plate 100 and a laminated solar cell component 200,
the photovoltaic cover plate 100 is any one of the photovoltaic cover plates 100 described above.
As one type, the welding strip of the laminated solar cell module 200 is a circular wire welding strip, the cross section of the circular wire welding strip is circular, and can be a perfect circle or an ellipse, and incident light irradiated on the circular wire welding strip can be reflected to the laminated solar cell module 200 for recycling, so that the photoelectric conversion efficiency is improved.
Alternatively, in the photovoltaic module, the laminated solar cell module 200 is connected to the photovoltaic cover sheet 100 through an EVA adhesive layer, that is, the "thermosetting adhesive layer" in fig. 3 is an EVA adhesive layer, and the EVA adhesive refers to a polyethylene-polyvinyl acetate copolymer adhesive layer, so that the EVA adhesive layer is more and more widely applied to current modules and various optical products due to its superiority in adhesion, durability, optical characteristics, and the like.
Fig. 3 is a schematic structural diagram, and therefore the protrusion and the various grooves are not shown in the drawing, which only shows the positional relationship of the structural members of the respective components.
The utility model provides a photovoltaic cover plate 100, the photovoltaic cover plate 100 is the cover plate of the laminated solar cell module 200 for packaging the photovoltaic module; the photovoltaic cover plate 100 has a cell receiving groove 110 on a first surface, and the cell receiving groove 110 is a groove for receiving the protruding part 210 of the laminated solar cell module 200; the first surface is the surface of the photovoltaic cover sheet 100 adjacent to the laminated solar cell assembly 200. The utility model discloses in through at photovoltaic apron 100 surface design with lamination solar module 200 assorted battery piece holding tank 110, make photovoltaic apron 100 with lamination solar module 200 fully contacts, no longer just like among the prior art battery piece among the lamination solar module 200 overlaps the department (promptly the bulge 210) with photovoltaic apron 100 contacts, and at welding or the stress evenly distributed of lamination in-process on whole lamination solar cell's the surface, greatly reduced lamination solar cell appears the possibility of latent crack or piece.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is to be noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It is right above that the utility model provides a photovoltaic apron 100 and photovoltaic module have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. A photovoltaic cover plate is characterized in that the photovoltaic cover plate is a cover plate of a laminated solar cell module for packaging a photovoltaic module;
a battery piece accommodating groove is formed in the first surface of the photovoltaic cover plate, and the battery piece accommodating groove is a groove for accommodating the protruding part of the laminated solar battery assembly;
the first surface is a surface of the photovoltaic cover plate that is proximate to the laminated solar module.
2. The photovoltaic cover sheet of claim 1, wherein the first surface further comprises a solder ribbon receiving groove;
the welding strip accommodating groove is a groove for accommodating a welding strip of the laminated solar cell module.
3. The photovoltaic cover sheet of claim 1, wherein the photovoltaic cover sheet is a transparent cover sheet.
4. The photovoltaic cover sheet of claim 3, wherein the photovoltaic cover sheet is a glass cover sheet.
5. The photovoltaic cover sheet of claim 4, wherein the glass cover sheet is an antireflective glass cover sheet.
6. The photovoltaic cover sheet of claim 5, wherein the first surface of the glass cover sheet has textured microstructures.
7. A photovoltaic module, characterized in that the photovoltaic module comprises a photovoltaic cover plate and a laminated solar cell module,
the photovoltaic cover sheet is according to any one of claims 1 to 6.
8. The photovoltaic module of claim 7 wherein the solder ribbons of the laminated solar cell module are round wire solder ribbons.
9. The photovoltaic module of claim 7 wherein the laminated solar module is attached to the photovoltaic cover sheet by an EVA glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020358818.1U CN211320115U (en) | 2020-03-19 | 2020-03-19 | Photovoltaic cover plate and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020358818.1U CN211320115U (en) | 2020-03-19 | 2020-03-19 | Photovoltaic cover plate and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320115U true CN211320115U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020358818.1U Active CN211320115U (en) | 2020-03-19 | 2020-03-19 | Photovoltaic cover plate and photovoltaic module |
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| Country | Link |
|---|---|
| CN (1) | CN211320115U (en) |
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- 2020-03-19 CN CN202020358818.1U patent/CN211320115U/en active Active
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