CN217086585U - Solar insulating film - Google Patents
Solar insulating film Download PDFInfo
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- CN217086585U CN217086585U CN202220161600.6U CN202220161600U CN217086585U CN 217086585 U CN217086585 U CN 217086585U CN 202220161600 U CN202220161600 U CN 202220161600U CN 217086585 U CN217086585 U CN 217086585U
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- electric heating
- heating foil
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- adhesive layer
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Abstract
The utility model discloses a solar insulating film, which comprises a base layer and an electric heating foil; a base layer: the upper surface and the lower surface of the insulating layer are respectively provided with an insulating layer, the lower surface of the insulating layer below is provided with a second adhesive layer, the lower surface of the second adhesive layer is provided with a protective layer, and the outer edge of the upper surface of the protective layer is provided with a groove; electric heating foil: the solar insulation film is arranged on the upper surface of the groove of the protection layer, the upper surface of the electric heating foil is bonded with the outer edge of the lower surface of the second adhesive layer, the input end of the electric heating foil is electrically connected with the output end of the external control switch, the electric heating foil is a nickel-aluminum alloy electric heating foil, the electric heating foil is in a rectangular shape and surrounds the lower surface of the second adhesive layer, two ends of the electric heating foil are located on the left side and the right side of the second adhesive layer, the upper surface of the end of the left side of the electric heating foil is provided with conductive adhesive, the conductive adhesive is high-temperature conductive silver adhesive, and the solar insulation film enables water vapor gathered on the outer edge of the lower surface of the protection layer to volatilize and be heated, so that the water vapor is prevented from permeating into the insulation film to influence the insulation performance.
Description
Technical Field
The utility model relates to an insulating film technical field specifically is a solar energy insulating film.
Background
In a solar cell module, the positive and negative poles of a bus bar are isolated by a back plate insulating strip generally, but when the insulating strip is isolated, the back plate insulating strip can have the risk that glass falls off, more seriously, the stability of the module can be influenced, in long-time practical use, along with the continuous slow infiltration of water vapor, residual primer in the processing process can be generated, the insulating strip can slowly lose efficacy and change under the action of the water vapor, therefore, the water resistance of the insulating strip is particularly important, the effect of the existing back plate insulating strip for resisting the water vapor is poor, so the aging performance of the insulating strip can be influenced, and therefore, a solar insulating film is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a solar energy insulating film, make the steam of inoxidizing coating lower surface outer edge gathering be heated and volatilize, avoid steam infiltration to get into the inside of insulating film and influence insulating properties, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a solar insulating film includes a base layer and an electric heating foil;
a base layer: the upper surface and the lower surface of the insulating layer are respectively provided with an insulating layer, the lower surface of the insulating layer below is provided with a second adhesive layer, the lower surface of the second adhesive layer is provided with a protective layer, and the outer edge of the upper surface of the protective layer is provided with a groove;
electric heating foil: the upper surface of the groove of the protective layer is bonded with the outer edge of the lower surface of the adhesive layer II, the input end of the electric heating foil is electrically connected with the output end of the external control switch, so that water vapor gathered on the outer edge of the lower surface of the protective layer is heated and volatilized, and the phenomenon that the water vapor permeates into the insulating film to influence the insulating property is avoided.
Furthermore, the electric heating foil is a nickel-aluminum alloy electric heating foil, so that the electric heating foil is good in flexibility and not easy to break.
Furthermore, the electric heating foil is in a rectangular shape and surrounds the lower surface of the second adhesive layer, and two ends of the electric heating foil are located on the left side and the right side of the second adhesive layer, so that the edge of the insulating film is completely covered, and the protective performance is improved.
Furthermore, the upper surface of the left end of the electric heating foil is provided with conductive adhesive which is high-temperature conductive silver adhesive and is used for electric connection between adjacent electric heating foils.
The solar cell module further comprises a first adhesive layer and a release film, wherein the first adhesive layer is arranged on the upper surface of the insulating layer above the first adhesive layer, and the release film is bonded on the upper surface of the first adhesive layer, so that the first adhesive layer can be conveniently attached to an external solar cell.
Furthermore, the base layer is a polyethylene terephthalate base layer and has good aging resistance and composite performance, and the insulating layer is a polypropylene insulating layer and has excellent aging resistance.
Furthermore, the protective layer is a glass fiber polyester film protective layer, so that the hardness is high, the wear resistance is good, the insulating layer below the protective layer is protected, and the service life is prolonged.
Compared with the prior art, the beneficial effects of the utility model are that: the solar insulating film has the following advantages:
tearing off the release film, bonding the insulating layer above the release film to the back of the solar cell through the first adhesive layer, electrically connecting the two ends of the electric heating foil with the external control switch, starting the electric heating foil through the external control switch, electrifying the electric heating foil to generate heat, heating and volatilizing the water vapor gathered at the outer edge of the lower surface of the protective layer, and avoiding the water vapor from permeating into the insulating film to influence the insulating property.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the electric heating foil of the present invention.
In the figure: the insulation film comprises a base layer 1, an insulation layer 2, an adhesive layer 3I, a release film 4, an adhesive layer 5 II, a protective layer 6, an electric heating foil 7 and a conductive adhesive 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
Referring to fig. 1-2, the present embodiment provides a technical solution: a solar insulating film includes a base layer 1 and an electric heating foil 7;
base layer 1: the upper surface and the lower surface of the base layer are respectively provided with an insulating layer 2, the lower surface of the insulating layer 2 below is provided with a second adhesive layer 5, the lower surface of the second adhesive layer 5 is provided with a protective layer 6, the outer edge of the upper surface of the protective layer 6 is provided with a groove, the protective layer 6 is a glass fiber polyester film protective layer, the hardness is high, the wear resistance is good, the lower insulating layer 2 is protected, the service life is prolonged, the base layer 1 is a polyethylene terephthalate base layer and has good aging resistance and composite performance, and the insulating layer 2 is a polypropylene insulating layer and has good aging resistance;
electric heating foil 7: the upper surface of the groove of the protective layer 6 is provided, the upper surface of the electric heating foil 7 is bonded with the outer edge of the lower surface of the adhesive layer II 5, the input end of the electric heating foil 7 is electrically connected with the output end of the external control switch, the electric heating foil 7 is a nickel-aluminum alloy electric heating foil which is good in flexibility and not easy to break, the electric heating foil 7 is in a rectangular shape and surrounds the lower surface of the adhesive layer II 5, two ends of the electric heating foil 7 are positioned at the left side and the right side of the adhesive layer II 5 to ensure that the edge of the insulating film is completely covered, the protection performance is improved, the upper surface of the left end of the electric heating foil 7 is provided with conductive adhesive 8, the conductive adhesive 8 is high-temperature conductive silver adhesive, the conductive adhesive 8 is used for electrically connecting adjacent electric heating foils 7, the electric heating foils 7 are connected in series, the circuit is convenient to be arranged, the electric heating foil 7 is started through the external control switch, the electric heating foil 7 is electrified and heated, water vapor gathered at the outer edge of the lower surface of the protective layer 6 is heated and volatilized, the water vapor is prevented from penetrating into the insulating film to affect the insulating performance.
Wherein: still include adhesive layer 3 and leave type membrane 4, adhesive layer 3 sets up in the insulating layer 2 upper surface of top, and adhesive layer 3's upper surface bonds and has to leave type membrane 4, bonds the insulating layer 2 of top in the back of solar wafer through adhesive layer 3.
The utility model provides a pair of solar energy insulating film's theory of operation as follows:
tearing off the release film 4, bonding the insulating layer 2 above the release film on the back of the solar cell through the first adhesive layer 3, electrically connecting the two ends of the electric heating foil 7 with the external control switch, starting the electric heating foil 7 through the external control switch, electrifying the electric heating foil 7 to generate heat, heating and volatilizing water vapor gathered at the outer edge of the lower surface of the protective layer 6, and avoiding the water vapor from permeating into the insulating film to influence the insulating property.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (7)
1. A solar insulating film characterized in that: comprises a base layer (1) and an electric heating foil (7);
base layer (1): the upper surface and the lower surface of the insulating layer (2) are respectively provided with an insulating layer (2), the lower surface of the insulating layer (2) below is provided with a second adhesive layer (5), the lower surface of the second adhesive layer (5) is provided with a protective layer (6), and the outer edge of the upper surface of the protective layer (6) is provided with a groove;
electric heating foil (7): the upper surface of the groove of the protective layer (6) is provided, the upper surface of the electric heating foil (7) is adhered to the outer edge of the lower surface of the second adhesive layer (5), and the input end of the electric heating foil (7) is electrically connected with the output end of the external control switch.
2. The solar insulating film according to claim 1, wherein: the electric heating foil (7) is a nickel-aluminum alloy electric heating foil.
3. The solar insulating film according to claim 1, wherein: the electric heating foil (7) is in a rectangular shape and surrounds the lower surface of the second adhesive layer (5), and two ends of the electric heating foil (7) are located on the left side and the right side of the second adhesive layer (5).
4. A solar insulating film according to claim 3, wherein: the upper surface of the left end of the electric heating foil (7) is provided with a conductive adhesive (8), and the conductive adhesive (8) is high-temperature conductive silver adhesive.
5. The solar insulating film according to claim 1, wherein: the insulation layer is characterized by further comprising a first adhesive layer (3) and a release film (4), wherein the first adhesive layer (3) is arranged on the upper surface of the insulation layer (2) above the first adhesive layer, and the release film (4) is bonded on the upper surface of the first adhesive layer (3).
6. The solar insulating film according to claim 1, wherein: the base layer (1) is a polyethylene terephthalate base layer, and the insulating layer (2) is a polypropylene insulating layer.
7. The solar insulating film according to claim 1, wherein: the protective layer (6) is a glass fiber polyester film protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161600.6U CN217086585U (en) | 2022-01-21 | 2022-01-21 | Solar insulating film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161600.6U CN217086585U (en) | 2022-01-21 | 2022-01-21 | Solar insulating film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217086585U true CN217086585U (en) | 2022-07-29 |
Family
ID=82542389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220161600.6U Active CN217086585U (en) | 2022-01-21 | 2022-01-21 | Solar insulating film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217086585U (en) |
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2022
- 2022-01-21 CN CN202220161600.6U patent/CN217086585U/en active Active
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