CN220043330U - Banding panel and photovoltaic module - Google Patents
Banding panel and photovoltaic module Download PDFInfo
- Publication number
- CN220043330U CN220043330U CN202320997002.7U CN202320997002U CN220043330U CN 220043330 U CN220043330 U CN 220043330U CN 202320997002 U CN202320997002 U CN 202320997002U CN 220043330 U CN220043330 U CN 220043330U
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- closed
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- panel
- edge
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- 238000007789 sealing Methods 0.000 claims abstract description 105
- 239000010410 layer Substances 0.000 claims abstract description 61
- 239000012792 core layer Substances 0.000 claims abstract description 41
- 238000004806 packaging method and process Methods 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000012945 sealing adhesive Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 19
- 239000012790 adhesive layer Substances 0.000 claims description 11
- 238000005187 foaming Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 230000008093 supporting effect Effects 0.000 claims description 4
- 230000037237 body shape Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000004822 Hot adhesive Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000013084 building-integrated photovoltaic technology Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an edge sealing plate and a photovoltaic module, which at least comprise a plate of a framework core layer and a closed edge sealing frame arranged outside the framework core layer; the lower end part of the closed sealing frame extends to the lower surface of the plate to form a closed sealing frame extending part, the closed sealing frame extending part at least covers the lower surface of part of the plate, and a sealing adhesive layer is arranged between the closed sealing frame extending part and the bottom surface of the plate; the upper surface of the plate is not covered by the upper end part of the closed sealing frame; the utility model realizes good edge sealing effect on the framework core layer, and further improves the technical application level of the framework core layer in the field of photovoltaic packaging.
Description
Technical Field
The utility model belongs to the field of photovoltaic modules, and particularly relates to a sealing edge plate, and a photovoltaic module applied to the sealing edge plate.
Background
In order to realize good application of the honeycomb core or the porous foaming layer in the field of photovoltaic module packaging, the inventor firstly provides a technical scheme with publication numbers of CN110400853A, CN210110803U and CN110491961B, and the problems of bubbling, degumming, deformation peristaltic movement and the like of the photovoltaic module provided with the honeycomb core or the porous foaming core layer during lamination and compounding are well solved.
With the deep application and new exploration attempts of the product field, the inventor forms more innovation results.
Disclosure of Invention
In view of the above, the utility model aims to provide an edge sealing plate and a photovoltaic module, which realize a good edge sealing effect on a framework core layer and further improve the technical application level of the framework core layer in the field of photovoltaic packaging.
The technical scheme adopted by the utility model is as follows:
the edge sealing plate at least comprises a plate with a skeleton core layer and a closed edge sealing frame arranged outside the skeleton core layer; the lower end part of the closed sealing frame extends to the lower surface of the plate to form a closed sealing frame extending part, the closed sealing frame extending part at least covers part of the lower surface of the plate, and a sealing adhesive layer is arranged between the closed sealing frame extending part and the bottom surface of the plate; and the upper surface of the plate is not covered by the upper end part of the closed sealing frame.
Preferably, the outer layer of the skeleton core layer is in direct contact with the closed edge sealing frame, so that an edge sealing effect on the outer layer of the skeleton core layer is achieved.
Preferably, the extension part of the closed sealing frame is provided with a groove and/or a curved surface, and the sealing glue layer is embedded into the groove and/or the curved surface.
Preferably, a frame cavity for inserting the connecting corner bracket or the supporting base is formed in the closed sealing frame.
Preferably, the upper surface of the skeleton core layer is compounded with an upper layer; and/or the lower surface of the framework core layer is compounded with a lower layer, and the closed sealing frame extension part at least covers part of the surface of the lower layer; and/or the skeleton core layer is in a honeycomb shape or a porous foaming shape or a hollow frame body shape; and/or the thickness of the plate is 5-30mm; and/or the weight of the sheet is not higher than 8Kg/m 2 Preferably not higher than 5Kg/m 2 More preferably not higher than 4Kg/m 2 。
Preferably, a groove and/or a curved surface is arranged at the upper end part of the closed sealing frame and used for filling the adhesive layer.
Preferably, the height of the upper end part of the closed sealing frame is larger than that of the upper end part of the plate, so that a height interval is formed between the upper end part of the closed sealing frame and the upper end part of the plate.
Preferably, the photovoltaic module at least comprises a front packaging part, a battery string layer and a plate material at least comprising a framework core layer, wherein the front packaging part and the battery string layer are combined into a whole, and the outer surface of the plate material is used as the back surface of the photovoltaic module; wherein, the panel adopts banding panel as above.
Preferably, the photovoltaic module comprises a photovoltaic laminate and the edge sealing plate, wherein the photovoltaic laminate comprises a front packaging part, a battery string layer and a back packaging part which are laminated into a whole, and the edge sealing plate is compounded with the photovoltaic laminate into a whole through an adhesive layer.
Preferably, the width of the sheet is smaller than the width of the photovoltaic laminate, and the width of the closed bezel is not smaller than the width of the photovoltaic laminate.
When the skeleton core layer is applied as a photovoltaic module packaging structure, when the skeleton core layer is exposed to the external environment, the service life of the skeleton core layer is obviously not facilitated; the edge sealing technology for the skeleton core layer is not found in the photovoltaic packaging field temporarily, but the honeycomb plate edge sealing structure in other fields is not suitable for being used as a packaging structure of a photovoltaic module; therefore, the utility model provides a closed sealing frame structure arranged at the periphery of the skeleton core layer, the lower end part of the closed sealing frame extends to the lower surface of the plate to form a closed sealing frame extending part, and a sealing adhesive layer is arranged between the closed sealing frame extending part and the bottom surface of the plate to realize the effect of stabilizing and sealing the periphery of the skeleton core layer; meanwhile, the upper end part of the closed sealing frame does not extend to the upper surface of the plate, so that the upper surface of the plate is prevented from being covered by the upper end part of the closed sealing frame; the obtained edge sealing plate is applied to a back packaging structure of a photovoltaic module, and after other layer structures of the photovoltaic module are compounded with the upper surface of the edge sealing plate, the excellent edge sealing effect on the skeleton core layer can be further achieved, and the technical application level of the skeleton core layer structure in the field of photovoltaic packaging is improved.
Drawings
Fig. 1 is a schematic structural view of a photovoltaic module according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a banding panel according to an embodiment of the utility model.
Detailed Description
The embodiment of the utility model discloses an edge sealing plate, which at least comprises a plate with a framework core layer and a closed edge sealing frame arranged outside the framework core layer (namely the edge of the framework core layer); the lower end part of the closed sealing frame extends to the lower surface of the plate to form a closed sealing frame extending part, the closed sealing frame extending part at least covers the lower surface of part of the plate, and a sealing adhesive layer is arranged between the closed sealing frame extending part and the bottom surface of the plate; the upper surface of the plate is not covered by the upper end part of the closed sealing frame; preferably, in this embodiment, skeleton core layer periphery and closed frame direct contact that seals need not to set up extra glue film structure, and not only banding process convenient operation, and realized the banding effect to the skeleton core layer periphery.
Preferably, in order to facilitate the sealing effect on the outside of the carcass core, in this embodiment the closed bead extension is provided with grooves (depth of grooves preferably 0.1-2mm, more preferably 0.1-1 mm) and/or curved surfaces for embedding the sealant layer into the grooves and/or curved surfaces; preferably, the sealant layer may be a cold adhesive layer or a double-sided tape or a hot adhesive layer, and in order to facilitate the installation and implementation of the edge sealing structure, it is recommended to use a cold adhesive layer or a double-sided tape.
Preferably, in order to achieve the installation supporting effect of the closed sealing frame at the corners, in this embodiment, a frame cavity for inserting the connecting corner connector is provided in the closed sealing frame, and in other embodiments, the frame cavity may be provided in a half-open shape for inserting the supporting base in the frame cavity.
Preferably, in order to achieve the encapsulation effect on the surface of the skeleton core, in this embodiment, the upper surface of the skeleton core is composited with an upper layer; and/or the lower surface of the framework core layer is compounded with a lower layer, and the closed sealing frame extension part at least covers part of the surface of the lower layer; specifically, the material scheme proposed by CN110400853a may be preferably used as the upper layer, the thermoplastic core layer as the skeletal core layer, and the first thermoplastic substrate layer as the lower layer, although other suitable materials may be used, which is not particularly limited in this embodiment; and/or preferably, in this embodiment, the skeleton core layer is in a honeycomb shape or a porous foaming shape or a hollow frame body shape, and further preferably, in order to further facilitate the installation strength of the skeleton core layer, in this embodiment, the hollow frame body adopts a cylindrical structure, and in other embodiments, a triangular structure, a hexagonal structure or other suitable shapes may also be adopted; and/or preferablyIn this embodiment, the thickness of the plate is 5 to 30mm, more preferably 5 to 20mm, still more preferably 5 to 15mm, still more preferably 5 to 10mm; and/or preferably, in the present embodiment, the weight of the plate is not more than 8Kg/m 2 Preferably not higher than 5Kg/m 2 More preferably not higher than 4Kg/m 2 。
Preferably, in order to facilitate the composite connection strength between the edge sealing plate and other layer structures (typically, the layer structure of the photovoltaic module), in this embodiment, the upper end portion of the closed edge sealing frame is provided with a groove (the depth of the groove is preferably 0.1-2mm, more preferably 0.1-1 mm) and/or a curved surface, so as to embed and fill the adhesive layer (may be any known adhesive, and specifically may be a cold adhesive layer or a double-sided tape or a hot melt adhesive layer, which is not limited in particular in this embodiment), so as to ensure the composite adhesive strength.
Preferably, in order to further facilitate the edge sealing effect of the edge sealing sheet material at its upper end, in this embodiment, the height of the upper end of the closed edge sealing frame is greater than the height of the upper end of the sheet material, so that a height distance is formed between the upper end of the closed edge sealing frame and the upper end of the sheet material, wherein preferably the height distance is in the range of 0.05-2mm, more preferably 0.1-1mm, and preferably in order to further facilitate the edge sealing effect of the sheet material, in this embodiment, the height distance is smaller than the depth of the groove at the upper end of the closed edge sealing frame.
Preferably, the embodiment also provides a photovoltaic module, which at least comprises a front packaging part, a battery string layer and a plate material at least comprising a skeleton core layer, wherein the front packaging part and the battery string layer are combined into a whole, and the outer surface of the plate material is used as the back surface of the photovoltaic module; wherein, the plate adopts the edge sealing plate as described in the embodiment above; further preferably, in the present embodiment, the photovoltaic module includes a photovoltaic laminate including a front face packaging part, a battery string layer, and a back face packaging part laminated as one body, and an edge sealing sheet material compounded as one body with the photovoltaic laminate through an adhesive layer; in particular, when the method is implemented, the photovoltaic laminated piece and the edge sealing plate are compounded into a whole through a cold bonding process or a hot compounding process, wherein preferably, the edge sealing plate replaces a metal frame to be used as a lining plate structure of the photovoltaic module, the overall installation weight of the photovoltaic module is further reduced, and the popularization process of BIPV is further facilitated.
Preferably, in the present embodiment, the battery string layer may be any known battery string layer, for example, a polycrystalline silicon battery string layer or a monocrystalline silicon battery string layer or an amorphous silicon battery string layer or a battery string layer made of other crystalline or amorphous materials; the shape of the battery piece can be a whole piece, 1/2 slice, 1/4 slice, 1/5 slice or other specification slice or a laminated battery string layer; preferably, in the present embodiment, the front surface packaging part may be formed by 1 or more of any known front surface packaging material layers, preferably a front surface packaging material layer with excellent light transmission and weather resistance, and particularly preferably a packaging layer material proposed by CN 106299000B; the back packaging part can also adopt 1 or more than one arbitrary known back packaging material layers (comprising a photovoltaic back plate), preferably adopts a back packaging material layer with good insulation and water vapor barrier permeability, and particularly can preferably adopt a packaging layer material proposed by CN 211555907U; preferably, in the present embodiment, in order to facilitate the composite effect of the skeletal package, the material of the skeletal core layer includes not less than 40wt% of a thermoplastic material.
Preferably, in the present embodiment, the photovoltaic laminate is a lightweight photovoltaic laminate having a weight of not more than 5Kg/m 2 More preferably not higher than 4Kg/m 2 In particular, the present inventors can preferably be employedA component product; naturally, in other embodiments, any known photovoltaic laminate may be used, and this example is not particularly limited. In other embodiments of the present utility model, the photovoltaic module includes a front packaging part, a battery string layer, a back packaging part, and the edge sealing plate as described in this embodiment, where a hot melt adhesive layer is disposed between the edge sealing plate and the back packaging part.
Preferably, in order to facilitate the packaging strength and packaging quality of the photovoltaic module and also facilitate the packaging aesthetics of the photovoltaic module, in this embodiment, the width of the sheet is smaller than the width of the photovoltaic laminate, and the width of the closed sealing frame is not smaller than the width of the photovoltaic laminate, further preferably, the width of the closed sealing frame is equal to (or slightly larger than) the width of the photovoltaic laminate; the central axes of the closed sealing frame, the sealing edge plate and the photovoltaic laminated piece are flush, and the difference between the width of the photovoltaic laminated piece and the width of the sealing edge plate ranges from 5mm to 200mm, and more preferably from 10mm to 150mm.
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Example 1: on the basis of the above-mentioned embodiment, please specifically refer to fig. 1, this example 1 specifically proposes a photovoltaic module, which includes a photovoltaic laminate 1 and an edge sealing plate 2, wherein the photovoltaic laminate 1 includes a front packaging part, a battery string layer and a back packaging part laminated as a whole, and the edge sealing plate 2 is cold-bonded and compounded with the photovoltaic laminate 1 as a whole through an adhesive layer 3;
referring further to fig. 2, in this embodiment, the edge sealing plate 2 includes a plate formed by compounding a skeleton core layer and a lower layer, and a closed edge sealing frame 22 mounted on the periphery of the plate 21; wherein the width of the sheet 21 is smaller than the width of the photovoltaic laminate 1 and the width of the closed sealing frame 22 is equal to the width of the photovoltaic laminate 1; the lower end of the closure frame 22 extends to the lower surface of the underlying layer to form a closure frame extension 23 such that the closure frame extension 23 covers a portion of the lower surface of the underlying layer; a sealant layer 24 is arranged between the closed edge sealing frame extension part 23 and the bottom surface of the plate 21, and the closed edge sealing frame extension part 23 is provided with a groove 23a, and the sealant layer 24 is embedded into the groove 23a, so that the sealing strength is improved; while the upper surface of the plate 21 is not covered by the upper end of the closing seal frame 22;
in this embodiment, a frame cavity 22a for inserting a connecting corner brace (a well-known structure, not shown) is provided in the closed sealing frame 22, and the closed sealing frame 22 around the periphery of the plate 21 is connected to form an integral closed installation structure by the connecting corner brace;
in this embodiment, the upper end of the closed sealing frame 22 is provided with a groove 25, and the height of the upper end of the closed sealing frame 22 is greater than that of the upper end of the plate 21, so that a height interval 26 is formed between the upper end of the closed sealing frame 22 and the upper end of the plate 21, and the height interval 26 is smaller than the depth of the groove 25; after the photovoltaic module and the photovoltaic module 1 are compounded into a whole through the adhesive layer 3 (specifically, a known adhesive can be adopted), the adhesive layer 3 is respectively embedded into the grooves at the upper end part of the closed sealing frame 22 and the space with the height spacing 26, and the highest base surface 22b at the upper end part of the closed sealing frame 22 is in direct contact with the back surface of the photovoltaic module 1, so that the installation strength of the photovoltaic module is enhanced, the excellent edge sealing effect on the board 21 is realized, and finally the technical application level of the skeleton core structure in the photovoltaic packaging field is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (12)
1. The edge sealing plate is characterized by at least comprising a plate with a framework core layer and a closed edge sealing frame arranged outside the framework core layer; the lower end part of the closed sealing frame extends to the lower surface of the plate to form a closed sealing frame extending part, the closed sealing frame extending part at least covers part of the lower surface of the plate, and a sealing adhesive layer is arranged between the closed sealing frame extending part and the bottom surface of the plate; and the upper surface of the plate is not covered by the upper end part of the closed sealing frame.
2. The edge sealing sheet material according to claim 1, wherein the outer layer of the skeleton core is in direct contact with the closed edge sealing frame, so that an edge sealing effect on the outer layer of the skeleton core is achieved.
3. The edge sealing panel of claim 1, wherein the closed edge sealing frame extension is provided with grooves and/or curved surfaces for the sealant layer to embed into.
4. The edge banding panel as claimed in claim 1, wherein the interior of said closed edge banding frame is provided with a frame cavity for inserting a connecting corner bracket or a supporting base.
5. The edge banding panel as claimed in claim 1, wherein the upper surface of said skeleton core is compounded with an upper layer; and/or the lower surface of the framework core layer is compounded with a lower layer, and the closed sealing frame extension part at least covers part of the surface of the lower layer; and/or the skeleton core layer is in a honeycomb shape or a porous foaming shape or a hollow frame body shape; and/or the thickness of the plate is 5-30mm; and/or the weight of the sheet is not higher than 8Kg/m 2 。
6. The edge banding panel as claimed in claim 5, wherein the said edge banding panelThe weight of the plate is not higher than 5Kg/m 2 。
7. The edge banding panel as claimed in claim 5, wherein the weight of said panel is not higher than 4Kg/m 2 。
8. The edge banding panel as claimed in claim 1, wherein the upper end of the closed edge banding frame is provided with a groove and/or a curved surface.
9. The edge banding panel as claimed in claim 1 or 8, wherein the upper end of the closed banding frame is higher than the upper end of the panel, so that a height spacing is formed between the upper end of the closed banding frame and the upper end of the panel.
10. The photovoltaic module is characterized by at least comprising a front packaging part, a battery string layer and a plate material, wherein the front packaging part and the battery string layer are combined into a whole, the plate material at least comprises a framework core layer, and the outer surface of the plate material is used as the back surface of the photovoltaic module; wherein the panel is a edge sealing panel according to any one of claims 1-9.
11. The photovoltaic module of claim 10, comprising a photovoltaic laminate and the edge sealing panel, wherein the photovoltaic laminate comprises a front side enclosure, a cell string layer, and a back side enclosure laminated as one, the edge sealing panel being compounded with the photovoltaic laminate as one by an adhesive layer.
12. The photovoltaic assembly of claim 11, wherein the sheet has a width that is less than a width of the photovoltaic laminate and the width of the closed bezel is not less than the width of the photovoltaic laminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997002.7U CN220043330U (en) | 2023-04-26 | 2023-04-26 | Banding panel and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320997002.7U CN220043330U (en) | 2023-04-26 | 2023-04-26 | Banding panel and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043330U true CN220043330U (en) | 2023-11-17 |
Family
ID=88738765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320997002.7U Active CN220043330U (en) | 2023-04-26 | 2023-04-26 | Banding panel and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043330U (en) |
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2023
- 2023-04-26 CN CN202320997002.7U patent/CN220043330U/en active Active
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