CN210379073U - Packaging adhesive film and device for producing packaging adhesive film - Google Patents
Packaging adhesive film and device for producing packaging adhesive film Download PDFInfo
- Publication number
- CN210379073U CN210379073U CN201921278919.1U CN201921278919U CN210379073U CN 210379073 U CN210379073 U CN 210379073U CN 201921278919 U CN201921278919 U CN 201921278919U CN 210379073 U CN210379073 U CN 210379073U
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- Prior art keywords
- adhesive film
- packaging adhesive
- roller
- convex
- rows
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 52
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 48
- 238000005538 encapsulation Methods 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000002829 reductive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 18
- 238000003475 lamination Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Buffer Packaging (AREA)
Abstract
The utility model provides a device of encapsulation glued membrane and production encapsulation glued membrane. A plurality of parallel protruding rows are formed on the surface of one side in the thickness direction of the packaging adhesive film, so that in the laminating process of the photovoltaic module, two adjacent photovoltaic cell strings can be separated through melting of the protruding rows, the photovoltaic cell strings cannot be extruded to move, and the stress balance of the string spacing is kept. The outer surface of the device for producing the packaging adhesive film is provided with a plurality of parallel grooves or bulges so as to be convenient for manufacturing the packaging adhesive film.
Description
Technical Field
The utility model relates to a device of encapsulation glued membrane and production encapsulation glued membrane belongs to mechanical equipment technical field.
Background
Current photovoltaic modules are mainly classified into two categories: one is a glass + back-encapsulated single glass assembly and the other is a glass + glass-encapsulated dual glass assembly. At present, in the production process of a photovoltaic module, the extrusion of upper glass and lower glass easily causes that the distance between strings is reduced, even photovoltaic cells are combined, so that a large amount of adhesive tapes are required to be added between the strings for supporting, and a large amount of manpower and adhesive tapes are consumed.
In view of the above, there is a need to improve the conventional packaging adhesive film to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a packaging adhesive film to keep the force balance of cluster interval in photovoltaic module's lamination process.
In order to achieve the above object, the utility model provides a packaging adhesive film, a side surface of packaging adhesive film thickness direction is formed with the protruding row of a plurality of parallels.
As a further improvement of the present invention, the protrusion row includes a continuous protrusion or an intermittent protrusion.
As a further improvement, the encapsulation glued membrane deviates from a side surface that the arch was listed as is inwards sunken to be formed with a plurality of sunken lists, sunken extending direction who is listed as with the extending direction that the arch was listed as is unanimous, just sunken list with the arch is listed as the position and corresponds.
As a further improvement of the present invention, the depth of the recess line is equal to the height of the projection line, so that the thickness of the projection line part of the packaging adhesive film is consistent with the thickness of the non-projection line part.
As a further improvement of the present invention, the width of the cross section of the protruding row is gradually reduced in the direction away from the package adhesive film in the width direction of the package adhesive film.
As a further improvement of the present invention, the width w and the height h of the protrusion column satisfy: w is more than or equal to 2mm and less than or equal to 4mm, and h is more than or equal to 1mm and less than or equal to 2 mm.
An object of the utility model is to provide a device of production encapsulation glued membrane for produce above-mentioned encapsulation glued membrane.
In order to achieve the above object, the present invention provides a device for producing a packaging adhesive film, wherein a plurality of parallel grooves or protrusions are formed on the outer surface of the device.
As a further improvement of the utility model, the device is including the first roller and the second roller that set up at mutual interval, the surface of first roller is formed with the recess of a plurality of parallels, the surface of second roller is formed with the arch of a plurality of parallels, just the recess with the arch corresponds each other.
As a further improvement of the present invention, the packaging adhesive film is located between the first roller and the second roller, so as to be press-molded by the first roller and the second roller.
As a further improvement of the present invention, the device further comprises a cutter located on both sides of the first roller and the second roller, wherein the cutter is used for controlling the width of the packaging adhesive film.
The utility model has the advantages that: the utility model discloses a protruding row of a plurality of parallels is formed on a side surface at encapsulation glued membrane thickness direction to at photovoltaic module's lamination in-process, what this protruding row of accessible melts carries out the interval with two adjacent photovoltaic cell serials, makes photovoltaic cell serials can not moved by the extrusion, keeps the atress balance of cluster interval.
Drawings
Fig. 1 is a schematic cross-sectional view of the photovoltaic module of the present invention after lamination.
Fig. 2 is a schematic cross-sectional view of the photovoltaic module of fig. 1 prior to lamination.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is a schematic structural diagram of the device for producing the packaging adhesive film of the present invention.
Fig. 5 is a cross-sectional view of the packaging adhesive film of the present invention in a rolled state.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the photovoltaic module includes five layers of structures, which are a back glass 1, a first encapsulation layer 2, a photovoltaic cell string 3, a second encapsulation layer 4 and a front glass 5, wherein the first encapsulation layer 2 is separated from the back glass 1, and the second encapsulation layer 4 is separated from the front glass 5; of course, in other embodiments, the first sealing layer 2 may be provided integrally with the back glass 1, and the second sealing layer 4 may be provided integrally with the front glass 5, as long as the photovoltaic cell string 3 can be sealed, which is not limited herein.
Since the structures of the back glass 1, the photovoltaic cell string 3 and the front glass 5 are all in the prior art, they are not described in detail here. The following description section will describe in detail the specific structure of the first and second encapsulation layers 2 and 4.
As shown in fig. 2, a plurality of parallel protrusion rows 6 are formed on one side surface of the first encapsulation layer 2 or the second encapsulation layer 4 in the thickness direction, and the protrusion rows 6 include continuous protrusions or discontinuous protrusions, which is not limited herein.
The first and second encapsulation layers 2 and 4 are collectively referred to as an encapsulation adhesive film 2, and the case where the protrusion rows 6 are formed on one side surface of the encapsulation adhesive film 2 will be described below as an example, which can be applied to the first and second encapsulation layers 2 and 4, respectively.
The surface of one side of the packaging adhesive film 2, which is far away from the convex row 6, is inwards recessed to form a plurality of concave rows 7, the extending direction of the concave rows 7 is consistent with the extending direction of the convex rows 6, and the concave rows 7 correspond to the convex rows 6 in position. Further, the concave depth of the concave row 7 is equal to the convex height of the convex row 6, so that the thickness of the convex row 6 part is consistent with the thickness of the non-convex row part in the thickness direction of the packaging adhesive film 2, that is, the thickness of the whole packaging adhesive film 2 is kept consistent. The distance between two adjacent protrusion rows 6 is equal to the width of the photovoltaic cell string 3.
As shown in fig. 3, in the width direction of the packaging adhesive film 2, the protrusion column 6 has a cross section, the depression column 7 also has a cross section, and the area of the cross section of the protrusion column 6 is equal to the area of the cross section of the depression column 7. Preferably, the width of the cross section of the protrusion row 6 gradually decreases in a direction away from the packaging adhesive film 2, and the width w and the height h of the protrusion row 6 satisfy: w is more than or equal to 2mm and less than or equal to 4mm, h is more than or equal to 1mm and less than or equal to 2 mm; of course, the width of the cross section of the concave row 7 also becomes gradually smaller in the direction approaching the convex row 6, and the width w and the height h of the concave row 7 also satisfy: w is more than or equal to 2mm and less than or equal to 4mm, and h is more than or equal to 1mm and less than or equal to 2 mm.
Generally, the inter-string gap of the photovoltaic cell string 3 is 2-3 mm, and the left-right positioning progress is 1-2 mm. In this embodiment, the protrusion rows 6 are triangular protrusions, and the width and height of the protrusions depend on the inter-string gap of the photovoltaic cell string 3, which may be determined according to practical situations, and is not limited herein.
The left and right laying precision of the packaging adhesive film 2 is +/-2 mm. The packaging adhesive film 2 may use EVA as a packaging material, or may use POE as a packaging material, but not limited thereto.
As can be seen from fig. 3, in the laminating process, after the encapsulant film 2 is melted, the protrusion rows 6 generate an outward pushing force on the photovoltaic cell strings 3 on both sides thereof, and meanwhile, both ends of the front glass 5 generate an inward extrusion force on the photovoltaic cell strings 3 due to deformation, and the pushing force is equal to the extrusion force, so that the string spacing of the photovoltaic modules can be kept in stress balance, and then the photovoltaic cell strings 3 cannot be extruded and moved by the melted encapsulant film 2.
As can be seen from fig. 1, after the encapsulation is completed, the protrusion rows 6 are melted between two adjacent photovoltaic cell strings 3 to space the two adjacent photovoltaic cell strings 3, so that the photovoltaic cell strings 3 are not pressed to move, and the stress balance between the strings is maintained.
As shown in fig. 4, the device for producing the packaging adhesive film 2 comprises a first roller 91 and a second roller 92 which are spaced from each other and arranged in a concave-convex manner, wherein a plurality of parallel grooves 911 are formed on the outer surface of the first roller 91, a plurality of parallel protrusions 921 are formed on the outer surface of the second roller 92, the positions of the grooves 911 and the protrusions 921 correspond to each other, and the shapes and the sizes of the protrusions 921 are the same as those of the grooves 911.
The packaging adhesive film 2 is positioned between the first roller 91 and the second roller 92 to be compression-molded by the first roller 91 and the second roller 92. The apparatus further comprises cutting knives 10 positioned at both sides of the first and second rollers 91 and 92, whereby it can be seen that the thickness of the encapsulating adhesive film 2 is controlled by the distance between the first and second rollers 91 and 92 and the width of the encapsulating adhesive film 2 is controlled by the cutting knives 10 positioned at both sides of the first and second rollers 91 and 92.
When the encapsulation glued membrane 2 is formed by pressing, the first roller 91 and the second roller 92 are correspondingly placed up and down, the raw material of the encapsulation glued membrane 2 is positioned between the first roller 91 and the second roller 92, and the first roller 91 and the second roller 92 are extruded in the thickness direction of the raw material, so that the raw material is formed between the first roller 91 and the second roller 92, a plurality of parallel convex columns 6 are formed on one side surface of the finally-formed encapsulation glued membrane 2 facing the first roller 91, and a plurality of parallel concave columns 7 are formed on one side surface of the finally-formed encapsulation glued membrane facing the second roller 92.
As shown in fig. 5, the formed packaging adhesive film 2 is usually wound on a roll for packaging and storage. As can be seen from fig. 5, the arrangement of the columns of recesses 7 is aimed at: the packaging of the packaging adhesive film 2 into a roll is convenient.
It should be noted that: the utility model discloses only be applicable to dual glass assembly, if apply single glass assembly on, the backplate then probably forms the strip arch of regularity. This is because: when the double-glass assembly is applied, the adhesive tape can be fixed without the strings, and the string spacing can be kept unchanged; compared with EVA materials, POE materials are smooth in characteristics, a certain effect of inhibiting the photovoltaic cell strings 3 from sliding left and right on the POE surface before lamination is achieved, the requirement on the accuracy of the photovoltaic cell strings 3 in string arrangement is high, and if the protruding positions are shifted to the lower portions of the photovoltaic cell strings 3, the photovoltaic cell strings 3 may be broken and other adverse effects are caused, so that the automatic string arrangement equipment can use the protruding rows 6 of the packaging adhesive films 2 as positioning references.
Further, the shape of the projection row 6 is not limited as long as the effect of pressing outward can be achieved; the specific arrangement position of the protruding columns 6 is not limited, and can be changed according to the actual size of the photovoltaic cell strings 3, as long as the protruding columns are located in the inter-string gaps of the photovoltaic cell strings 3.
In summary, in the invention, the plurality of parallel protrusion rows 6 are formed on the surface of one side of the packaging adhesive film 2 in the thickness direction, so that two adjacent photovoltaic cell strings 3 can be separated by melting the protrusion rows 6 in the lamination process of the photovoltaic module, the melted packaging adhesive film 2 does not extrude and move the photovoltaic cell strings 3, and the stress balance of the string spacing is maintained. Compared with the prior art, the positioning adhesive tape for fixing the string spacing is omitted, and labor and cost are saved.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A packaging adhesive film is characterized in that: the packaging adhesive film is characterized in that a plurality of parallel convex rows are formed on the surface of one side in the thickness direction of the packaging adhesive film, a plurality of concave rows are formed on the surface of one side, which deviates from the convex rows, of the packaging adhesive film in an inwards concave manner, the extending direction of the concave rows is consistent with the extending direction of the convex rows, and the concave rows correspond to the convex rows in position.
2. The packaging adhesive film according to claim 1, wherein: the columns of projections include continuous projections or intermittent projections.
3. The packaging adhesive film according to claim 1, wherein: the concave depth of the concave columns is equal to the convex height of the convex columns, so that the thickness of the convex column parts of the packaging adhesive film is consistent with the thickness of the non-convex column parts.
4. The packaging adhesive film according to claim 1, wherein: in the width direction of the packaging adhesive film, the width of the cross section of the protrusion row is gradually reduced in the direction far away from the packaging adhesive film.
5. The packaging adhesive film according to claim 1, wherein: the width w and the height h of the convex columns meet: w is more than or equal to 2mm and less than or equal to 4mm, and h is more than or equal to 1mm and less than or equal to 2 mm.
6. The utility model provides a device of production encapsulation glued membrane which characterized in that: the outer surface of the device is formed with a plurality of parallel grooves or bulges, the device comprises a first roller and a second roller which are arranged at intervals, the outer surface of the first roller is formed with a plurality of parallel grooves, the outer surface of the second roller is formed with a plurality of parallel bulges, and the grooves correspond to the bulges.
7. The apparatus for producing a packaging adhesive film according to claim 6, wherein: the packaging adhesive film is positioned between the first roller and the second roller so as to be pressed and formed by the first roller and the second roller.
8. The apparatus for producing a packaging adhesive film according to claim 6, wherein: the device also comprises cutting knives which are positioned at two sides of the first roller and the second roller, and the cutting knives are used for controlling the width of the packaging adhesive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278919.1U CN210379073U (en) | 2019-08-08 | 2019-08-08 | Packaging adhesive film and device for producing packaging adhesive film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278919.1U CN210379073U (en) | 2019-08-08 | 2019-08-08 | Packaging adhesive film and device for producing packaging adhesive film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210379073U true CN210379073U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921278919.1U Active CN210379073U (en) | 2019-08-08 | 2019-08-08 | Packaging adhesive film and device for producing packaging adhesive film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210379073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682082A (en) * | 2020-07-17 | 2020-09-18 | 杭州福斯特应用材料股份有限公司 | Packaging adhesive film and photovoltaic module |
| CN114078980A (en) * | 2020-08-19 | 2022-02-22 | 苏州阿特斯阳光电力科技有限公司 | Packaging layer, photovoltaic cell string and photovoltaic module manufacturing method |
-
2019
- 2019-08-08 CN CN201921278919.1U patent/CN210379073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682082A (en) * | 2020-07-17 | 2020-09-18 | 杭州福斯特应用材料股份有限公司 | Packaging adhesive film and photovoltaic module |
| CN114078980A (en) * | 2020-08-19 | 2022-02-22 | 苏州阿特斯阳光电力科技有限公司 | Packaging layer, photovoltaic cell string and photovoltaic module manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |