CN220812267U - Composite PID packaging adhesive film for photovoltaic module - Google Patents
Composite PID packaging adhesive film for photovoltaic module Download PDFInfo
- Publication number
- CN220812267U CN220812267U CN202322147685.XU CN202322147685U CN220812267U CN 220812267 U CN220812267 U CN 220812267U CN 202322147685 U CN202322147685 U CN 202322147685U CN 220812267 U CN220812267 U CN 220812267U
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- Prior art keywords
- layer
- adhesive film
- eva layer
- photovoltaic module
- groove group
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 43
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 12
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Packaging Frangible Articles (AREA)
Abstract
The utility model relates to the technical field of packaging adhesive films, in particular to a composite PID packaging adhesive film for a photovoltaic module. Through set up hydrophobic coating structure on the surface of upper EVA layer, improved the self-cleaning nature on upper EVA layer surface, avoided upper EVA layer surface to deposit dust easily and influence the light energy absorptivity, through set up upside groove group and downside groove group structure respectively in the upper and lower end of transparent glued membrane layer, improved the bonding effective area between transparent glued membrane layer and upper EVA layer and the lower floor EVA layer, and then improved the bonding steadiness between transparent glued membrane layer and upper EVA layer and the lower floor EVA layer, peripheral lateral wall through the membrane main part sets up the side protection frame structure, the protectiveness of the lateral surface of having improved whole membrane main part, and then avoid the lateral surface of membrane main part to receive the condition of scratch wearing and tearing.
Description
Technical Field
The utility model relates to the technical field of packaging adhesive films, in particular to a composite PID packaging adhesive film for a photovoltaic module.
Background
Environmental pollution and energy shortage are two important problems facing human society, and solar energy is an inexhaustible renewable clean energy source, so that photovoltaic modules are generated.
However, when the photovoltaic module is used, positive ions of the photovoltaic module can move to a grounded negative potential, so that the module is invalid, and the generated energy is influenced, namely the photovoltaic PID phenomenon.
In order to improve the utilization rate of sunlight, a composite PID packaging adhesive film with high reflectivity is generally attached to the surface of the photovoltaic module, so that the power generation power of the battery piece is increased.
For example, in publication No. CN218489270U, a composite adhesive film for packaging a high-reflection photovoltaic module is disclosed, which comprises a lower transparent EVA layer, a transparent adhesive film layer disposed on the upper end surface of the lower transparent EVA layer, and an upper transparent EVA layer disposed on the upper end surface of the transparent adhesive film layer, wherein the transparent adhesive film layer is a POE adhesive film layer added with an anti-PID auxiliary agent.
At present, the surface of an upper EVA layer of the existing composite PID packaging adhesive film for the photovoltaic module is easy to accumulate dust, so that the light energy absorptivity can be influenced, in addition, the bonding stability between a transparent adhesive film layer of the existing composite PID packaging adhesive film for the photovoltaic module and the upper EVA layer and between the transparent adhesive film layer and a lower EVA layer of the existing composite PID packaging adhesive film for the photovoltaic module is low, and in addition, the outer side surface of the whole film main body of the existing composite PID packaging adhesive film for the photovoltaic module is mostly not protective and is easy to scratch and wear.
The above problems are widespread and improvements are urgently needed.
Disclosure of utility model
The utility model aims to provide a composite PID packaging adhesive film for a photovoltaic module, which is used for solving the problems that dust is easy to accumulate on the surface of an upper EVA layer to influence the light energy absorptivity, the bonding stability between a transparent adhesive film layer and the upper EVA layer and between the transparent adhesive film layer and a lower EVA layer is low, and the outer side surface of the whole film main body is not protected and is easy to be scratched and worn in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the composite PID packaging adhesive film for the photovoltaic module comprises a film main body, wherein the film main body consists of a transparent adhesive film layer, an upper EVA layer and a lower EVA layer.
Preferably, the upper end surface of the upper EVA layer is provided with a hydrophobic coating.
Preferably, the hydrophobic coating is a PTFE fluorocarbon coating structure.
Preferably, an upper groove group is formed in the upper end face of the transparent adhesive film layer, and a lower groove group is formed in the lower end face of the transparent adhesive film layer.
Preferably, the upper side groove group and the lower side groove group are both of a strip-shaped inner groove structure and are nineteen longitudinally arranged.
Preferably, the outer side wall of the film main body is provided with a side protection frame in a surrounding manner.
Preferably, the side protection frame is of an EPDM silicone rubber structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the hydrophobic coating structure is arranged on the surface of the upper EVA layer, so that the self-cleaning property of the surface of the upper EVA layer is improved, and the influence of dust accumulation on the surface of the upper EVA layer on the light energy absorptivity is avoided.
2. According to the utility model, the upper groove group and the lower groove group are respectively arranged at the upper end and the lower end of the transparent adhesive film layer, so that the bonding effective area between the transparent adhesive film layer and the upper EVA layer and between the transparent adhesive film layer and the lower EVA layer is increased, and the bonding stability between the transparent adhesive film layer and the upper EVA layer and between the transparent adhesive film layer and the lower EVA layer is further improved.
3. According to the utility model, the side protection frame structure is arranged on the peripheral side wall of the film main body, so that the protection performance of the outer side surface of the whole film main body is improved, and the outer side surface of the film main body is prevented from being scratched and worn.
Drawings
FIG. 1 is a schematic perspective view of an inner cut-away structure of a membrane body of the present utility model;
FIG. 2 is a front cross-sectional view of a membrane body of the present utility model;
FIG. 3 is an enlarged view of the utility model at Y in FIG. 1;
Fig. 4 is a schematic perspective view of a film body of the present utility model.
In the figure: the film comprises a film main body 1, a transparent adhesive film layer 2, an upper groove group 21, a lower groove group 22, an upper EVA layer 3, a hydrophobic coating 4, a side protection frame 5 and a lower EVA layer 6.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 4, a composite PID packaging adhesive film for a photovoltaic module in the illustration includes a film main body 1, wherein the film main body 1 is composed of a transparent adhesive film layer 2, an upper EVA layer 3 and a lower EVA layer 6.
The upper end surface of upper EVA layer is provided with hydrophobic coating 4, has improved the self-cleaning nature on upper EVA layer 3 surface.
The hydrophobic coating 4 is of a PTFE fluorocarbon coating structure, has excellent hydrophobic performance, and is weather-proof and insulating, and meanwhile, the permeability of the body is good, so that the effect of absorbing light energy is not affected.
The upper side groove group 21 has been seted up to the up end of transparent glued membrane layer 2, and the downside groove group 22 has been seted up to the lower terminal surface of transparent glued membrane layer 2, has improved the bonding steadiness between transparent glued membrane layer 2 and upper EVA layer 3 and the lower floor EVA layer 6.
The special adhesive is transparent, and the effect of absorbing light energy is not affected.
The upper groove group 21 and the lower groove group 22 are of long-strip-shaped inner groove structures and are nineteen in longitudinal arrangement, and the special adhesive is uniformly coated in the upper groove group 21 and the lower groove group 22, so that the adhesive effective area is increased.
The outer side wall of the film main body 1 is provided with the side protection frame 5 in a surrounding mode, so that the protection performance of the outer side face of the whole film main body 1 is improved, and the condition that the outer side face of the film main body 1 is scratched and abraded is avoided.
The side protection frame 5 is of an EPDM silicone rubber structure and has excellent wear resistance and impact resistance.
When used in this embodiment: the surface of the structure of the hydrophobic coating 4 is smooth, the adhesive force of dust is greatly reduced, the inclined installation effect of the outdoor photovoltaic module is combined, dust naturally slides along the surface of the hydrophobic coating 4, the self-cleaning property of the surface of the upper EVA layer 3 is improved, and the influence of dust accumulation on the surface of the upper EVA layer 3 on the light energy absorptivity is avoided.
In addition, when bonding, special bonding glue is uniformly coated in the upper groove group 21 and the lower groove group 22 respectively, then the upper EVA layer 3 is stably bonded with the upper groove group 21 with the special bonding glue, and the lower EVA layer 6 is stably bonded with the lower groove group 22 with the special bonding glue, so that the bonding effective area between the transparent adhesive film layer 2 and the upper EVA layer 3 and the bonding effective area between the transparent adhesive film layer 6 and the bonding stability between the transparent adhesive film layer 2 and the upper EVA layer 3 and the bonding stability between the transparent adhesive film layer 6 and the lower EVA layer 6 are improved.
In addition, through the peripheral lateral wall of the film main body 1 is provided with a side protection frame 5 structure, the protection performance of the outer side surface of the whole film main body 1 is improved, and further the outer side surface of the film main body 1 is prevented from being scratched and worn.
It is noted that 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. Moreover, 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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a compound PID encapsulation glued membrane for photovoltaic module which characterized in that includes:
The film comprises a film main body (1), wherein the film main body (1) consists of a transparent adhesive film layer (2), an upper EVA layer (3) and a lower EVA layer (6), a hydrophobic coating (4) is arranged on the upper end surface of the upper EVA layer, an upper groove group (21) is formed in the upper end surface of the transparent adhesive film layer (2), a lower groove group (22) is formed in the lower end surface of the transparent adhesive film layer (2), and a side protection frame (5) is arranged around the outer side wall of the film main body (1).
2. The composite PID packaging adhesive film for a photovoltaic module according to claim 1, characterized in that: the hydrophobic coating (4) is of a PTFE fluorocarbon coating structure.
3. The composite PID packaging adhesive film for a photovoltaic module according to claim 1, characterized in that: the upper groove group (21) and the lower groove group (22) are of long-strip-shaped inner groove structures and are formed by nineteen grooves which are longitudinally arranged.
4. The composite PID packaging adhesive film for a photovoltaic module according to claim 1, characterized in that: the side protection frame (5) is of an EPDM silicon rubber structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322147685.XU CN220812267U (en) | 2023-08-09 | 2023-08-09 | Composite PID packaging adhesive film for photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322147685.XU CN220812267U (en) | 2023-08-09 | 2023-08-09 | Composite PID packaging adhesive film for photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220812267U true CN220812267U (en) | 2024-04-19 |
Family
ID=90673437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322147685.XU Active CN220812267U (en) | 2023-08-09 | 2023-08-09 | Composite PID packaging adhesive film for photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220812267U (en) |
-
2023
- 2023-08-09 CN CN202322147685.XU patent/CN220812267U/en active Active
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