CN217956988U - Enhanced composite film material for photovoltaic module mounting bracket and flexible mounting bracket thereof - Google Patents
Enhanced composite film material for photovoltaic module mounting bracket and flexible mounting bracket thereof Download PDFInfo
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- CN217956988U CN217956988U CN202221036214.0U CN202221036214U CN217956988U CN 217956988 U CN217956988 U CN 217956988U CN 202221036214 U CN202221036214 U CN 202221036214U CN 217956988 U CN217956988 U CN 217956988U
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an enhancement mode composite film material and flexible mounting support that photovoltaic module installation was used, the installation support body is connected respectively at the both ends of enhancement mode composite film material, including substrate sandwich layer and the first thermoplastic film layer and the second thermoplastic film layer that are located substrate sandwich layer upper and lower surface, first thermoplastic film layer, substrate sandwich layer and second thermoplastic film layer complex as an organic whole, wherein, first thermoplastic film layer is used for being connected with photovoltaic module's back installation; the installation and construction process is quick and convenient, the reinforced composite membrane is integrally planar, the installation and connection reliability between the reinforced composite membrane and the photovoltaic module is effectively guaranteed, and the problem of hidden cracking of the cell is reliably avoided.
Description
Technical Field
The utility model relates to a photovoltaic module installs application, concretely relates to enhancement mode composite membrane material that photovoltaic module installing support used, the utility model discloses still relate to the flexible erection support that this enhancement mode composite membrane material used.
Background
In order to realize the portable installation and application of the photovoltaic module, the prior art provides an installation support structure adopting a steel beam structure as the photovoltaic module. In order to avoid the problem of dropping of the photovoltaic module, improve the wind resistance of the photovoltaic module, the prior art proposes to adopt the steel wire rope to set up on the steel beam supports the support body as the flexible supporting structure of erection joint photovoltaic module, can refer to the utility model patent with the grant publication number of CN214891907U specifically, please see as shown in fig. 1, it discloses a flexible photovoltaic support of anti-wind steel wire rope, including support crossbeam 1 and solar photovoltaic board 5, support crossbeam 1 is provided with three groups, support longeron 2 has all evenly been welded to support crossbeam 1's both sides, first connecting hole has all evenly been seted up to support crossbeam 1's both sides, is located the middle part steel wire rope 3 has all been run through in support crossbeam 1's first connecting hole, and steel wire rope 3's both ends all extend to being located in the first connecting hole of both sides support crossbeam 1, steel wire rope 3's both ends all with support crossbeam 1 fixed connection, solar photovoltaic board 5 is all evenly installed through coupling mechanism in steel wire rope 3's top.
However, the applicant finds that the installation mode of arranging the steel wire rope not only needs to adopt an additional connecting mechanism to install and connect the photovoltaic module and the steel wire rope, but also causes obvious increase of installation cost; in addition, the effective installation contact surface of the steel wire rope is small, so that the connection reliability between the steel wire rope and the photovoltaic module and between the steel wire rope and the bracket cross beam is greatly challenged, and the stress of the photovoltaic module is concentrated in the steel wire rope area when the photovoltaic module is loaded by snow, so that the hidden crack problem of the cell in the photovoltaic module in the area is caused.
For this reason, the applicant decided to seek technical solutions to solve the above technical problems based on the research and development experience focused in the field of photovoltaic module installation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide an enhancement mode composite film material and flexible erection support thereof that photovoltaic module installation was used, the installation and construction process is convenient fast, and enhancement mode composite film material is whole to be plane moreover, and the erection joint reliability between the photovoltaic module is effectively ensured, has still avoided taking place the hidden problem of splitting of battery piece reliably.
The utility model adopts the technical scheme as follows:
the utility model provides a compound membrane material of enhancement mode that photovoltaic module installing support used, the installation support body is connected respectively at the both ends of compound membrane material of enhancement mode, includes the substrate sandwich layer and is located first thermoplastic film layer and the second thermoplastic film layer of substrate sandwich layer upper and lower surface, first thermoplastic film layer, substrate sandwich layer and the compounding of second thermoplastic film layer are as an organic whole, wherein, first thermoplastic film layer is used for being connected with photovoltaic module's back installation.
The reinforced composite film for the photovoltaic module mounting bracket comprises a substrate core layer assembly, a first thermoplastic film layer and a second thermoplastic film layer, wherein the first thermoplastic film layer and the second thermoplastic film layer are positioned on the upper surface and the lower surface of the substrate core layer assembly and are compounded into a whole, and the first thermoplastic film layer is used for being mounted and connected with the back surface of a photovoltaic module; the substrate core layer assembly comprises at least two substrate core layers, and at least 1 thermoplastic film layer is arranged between every two adjacent substrate core layers.
Preferably, the base material core layer adopts a woven fabric layer or a non-woven fabric layer or a metal sheet layer.
Preferably, the base material core layer is made of a fiber woven fabric material and/or a metal woven fabric material.
Preferably, the back surface of the photovoltaic module is connected with the first thermoplastic adhesive film layer in a hot melting mode, an adhesive mode and a fastening mode.
Preferably, the width of the reinforced composite film material ranges from 30 mm to 500mm; and/or the thickness of the reinforced composite membrane ranges from 0.5 mm to 10mm.
Preferably, the photovoltaic module comprises a front side packaging layer, a cell string layer and a back side packaging layer, wherein the back side packaging layer is in hot melt connection and/or adhesive connection with the first thermoplastic adhesive film layer.
Preferably, a flexible mounting support, includes as above compound membrane material of enhancement mode, the installation support body is connected respectively at the both ends of compound membrane material of enhancement mode, the first thermoplastic film layer of compound membrane material of enhancement mode is connected with photovoltaic module's back installation.
Preferably, the length direction of the reinforced composite film is flush with the width direction of the corresponding photovoltaic module; and/or the back of a single photovoltaic module is correspondingly connected with at least 2 reinforced composite films which are distributed at intervals.
Preferably, the reinforced composite film is in hot melt connection and/or adhesive connection and/or fastening connection with the mounting frame body, and the back of the photovoltaic module is in hot melt connection and/or adhesive connection and/or fastening connection with the first thermoplastic film layer.
It should be noted that, in the implementation of the present application, the material of each thermoplastic film layer may be any known thermoplastic polymer material, specifically, one or a mixture of several of TPO (polyolefin thermoplastic polymer), polypropylene, polyethylene, polystyrene, PVC (polyvinyl chloride), and ABS copolymer may be selected, and of course, any other known thermoplastic polymer with good melt index performance may also be used, and the application is not particularly limited. In order to facilitate the weather-resistant and aging-resistant effects of the respective thermoplastic film layers, it is preferable that, in the present embodiment, the thermoplastic polymer may further contain any known antioxidant and/or any known ultraviolet antioxidant, which are within the range that can be conventionally practiced in the present application.
The utility model discloses a by the compound enhancement mode composite film material that forms of thermoplastic film layer, substrate sandwich layer or substrate sandwich layer subassembly and the thermoplastic film layer of second heat replace wire rope among the prior art, as the key connection structure of photovoltaic module installing support, when actual installation is used, with photovoltaic module's the back direct mount connection in the top of first thermoplastic film layer, the installation and construction process is convenient fast, and the whole plane that is of enhancement mode composite film material moreover, and the erection joint reliability between the photovoltaic module obtains effective guarantee, in addition, the utility model provides a mounting structure has still avoided taking place the hidden problem of splitting of battery piece reliably.
Drawings
FIG. 1 is a schematic diagram of a prior art flexible stent structure;
fig. 2 is a schematic structural view of a reinforced composite membrane according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a reinforced composite membrane according to embodiment 2 of the present invention;
fig. 4 is a schematic structural view (with perspective effect) of the flexible mounting bracket according to the embodiment of the present invention.
Detailed Description
The embodiment of the utility model discloses compound membrane material of enhancement mode that photovoltaic module installing support was used, the installation support body is connected respectively at the both ends of compound membrane material of enhancement mode, including the substrate sandwich layer and lie in the first thermoplastic film layer and the second thermoplastic film layer of surface about the substrate sandwich layer, first thermoplastic film layer, substrate sandwich layer and second thermoplastic film layer are compound as an organic wholely, and wherein, first thermoplastic film layer is used for being connected with photovoltaic module's back mounted.
The embodiment of the utility model also discloses an enhancement mode composite film material that photovoltaic module installing support used, the installation support body is connected respectively at the both ends of enhancement mode composite film material, including substrate core layer subassembly and the first thermoplastic film layer and the second thermoplastic film layer that are located substrate core layer subassembly upper and lower surface, first thermoplastic film layer, substrate core layer subassembly and the compounding of second thermoplastic film layer are as an organic whole, wherein, first thermoplastic film layer is used for being connected with photovoltaic module's back installation; the substrate core layer assembly comprises at least two substrate core layers, and at least 1 thermoplastic film layer is arranged between every two adjacent substrate core layers.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1: referring to fig. 2 in combination with fig. 4, an enhanced composite film 10 for a photovoltaic module mounting bracket is disclosed, wherein two ends of the enhanced composite film 10 are respectively connected to a mounting bracket body 1', and the enhanced composite film comprises a substrate core layer 11, and a first thermoplastic film layer 12 and a second thermoplastic film layer 13 which are located on the upper surface and the lower surface of the substrate core layer 11, the first thermoplastic film layer 12, the substrate core layer 11 and the second thermoplastic film layer 13 are compounded into a whole, wherein the first thermoplastic film layer 12 is used for mounting and connecting with the back surface of a photovoltaic module 2'.
Preferably, in the present embodiment, the substrate core layer 11 is a woven fabric layer or a non-woven fabric layer or a metal sheet layer (for example, a belt-shaped metal sheet structure, such as a stainless steel belt in particular); further preferably, in order to facilitate the structure enhancing effect and the composite stability of the thermoplastic adhesive film layer corresponding to the structure enhancing effect, in the present embodiment, the base material core layer 11 is a woven fabric layer; more preferably, in the present embodiment, the fabric layer is made of a fiber fabric, specifically, glass fiber, carbon fiber, natural fiber (for example, hemp fiber, bamboo fiber, etc.), basalt fiber, carbon fiber, aramid fiber, or other known fiber, or a mixed fiber of these fibers may be used, and the present application is not limited to the embodiment; specifically, in the present embodiment, the glass fiber woven fabric layer is used as the base material core layer 11, and any known texture woven shape may be used, and this embodiment is not particularly limited.
In order to further improve the structural strength (including tensile strength) of the substrate core layer 11, preferably, in other embodiments of the present application, the substrate core layer 11 may be made of a metal woven fabric, and specifically, a metal wire woven fabric may be preferably used, for example, a metal woven fabric layer knitted by stainless steel wires, the metal woven fabric layer not only has the characteristic of high tensile strength, but also can be fully mixed with the corresponding thermoplastic film layer due to the existence of the gap structure, and the finally formed composite film material has higher strength, more excellent mechanical properties, and is not easy to delaminate.
In the present embodiment, the reinforced composite film 10 may be prepared by a conventional and well-known composite process: for example, the thermoplastic polymer materials (including the main body base material and the additives) of each thermoplastic film layer are uniformly mixed and then subjected to hot melt extrusion, and then the mixture is uniformly coated on both sides of the base material core layer 11 (the coating can also be completed by immersing the base material core layer 11 in a hot solution of the thermoplastic polymer materials); finally, integrally forming by a conventional calendering process to obtain the enhanced composite membrane material 10 coiled material; the first thermoplastic film layer 12, the substrate core layer 11, and the second thermoplastic film layer 13 may be stacked in multiple layers and then subjected to thermocompression bonding by a thermocompression bonding apparatus (such as a laminator) to complete thermocompression bonding.
In this embodiment, the photovoltaic module 2 'may be any photovoltaic module 2' known in the art, preferably having a weight not exceeding 3.5kg/m 2 The lightweight photovoltaic module 2'; in this embodiment, the photovoltaic module 2' includes a front side encapsulant layer,The preferable light-weight packaging scheme of the cell string layer, the back surface packaging layer, the front surface packaging layer and the back surface packaging layer can specifically adopt the photovoltaic module packaging material technology previously proposed by the applicant: CN201610685536.0, CN201610685240.9, CN201610927464.6 and CN201921204030.9, which are thin and light in weight, are very preferable technical solutions for light-weight photovoltaic module packaging; of course, other packaging schemes for lightweight photovoltaic module products can also be employed; the cell used in the photovoltaic module 2' is any one of known cells, and may be a crystalline silicon cell or a crystalline cell or an amorphous cell made of other materials, and this embodiment does not limit this.
Preferably, in the present embodiment, the back side (i.e. the back side encapsulation layer) of the photovoltaic module 2' is thermally fused and/or adhesively connected and/or fastened to the first thermoplastic adhesive film layer 12, and a person skilled in the art can select conventional techniques according to actual installation needs, and the present embodiment does not limit the present invention; further preferably, in the present embodiment, the back side encapsulation layer of the photovoltaic module 2' is thermally fused to the first thermoplastic film layer 12, and specifically, the thermal fusion can be achieved by welding, and certainly, other manners can also be achieved, in other embodiments, an adhesive or an adhesive tape can also be used for bonding, a fastener can also be used for fastening, and a combination of these mounting manners can also be used, which are all selected by those skilled in the art based on the conventional technology that can be made by the present application.
Preferably, in the embodiment, the width of the reinforced composite film 10 ranges from 30 to 500mm, more preferably from 50 to 400mm, and even more preferably from 60 to 200mm, which can be specifically set according to the specification of the applied photovoltaic module 2', such as the size, the weight, etc., and the embodiment does not limit the same; preferably, in the present embodiment, the thickness of the reinforced composite film 10 ranges from 0.5 to 10mm, more preferably from 0.8 to 8mm, and still more preferably from 1 to 5mm.
Example 2: the remaining technical solutions of this embodiment 2 are the same as that of embodiment 1, except that, referring to fig. 3 and combining with fig. 4, this embodiment 2 proposes a reinforced composite film 20 for a photovoltaic module mounting bracket, where two ends of the reinforced composite film 20 are respectively connected to a mounting bracket body 1', and the reinforced composite film includes a substrate core layer assembly, and a first thermoplastic film layer 21 and a second thermoplastic film layer 22 located on the upper and lower surfaces of the substrate core layer assembly, and the first thermoplastic film layer 21, the substrate core layer assembly, and the second thermoplastic film layer 22 are compounded into a whole, where the first thermoplastic film layer 21 is used for mounting and connecting with the back surface of a photovoltaic module 2'; the substrate core layer assembly comprises a first substrate core layer 23 and a second substrate core layer 24, and an intermediate thermoplastic film layer 25 is arranged between the first substrate core layer 23 and the second substrate core layer 24; of course, on the basis of this embodiment 2, in other embodiments, a substrate core layer assembly including a greater number of substrate core layers may be selected by those skilled in the art, and a thermoplastic film layer is correspondingly disposed between each adjacent substrate core layer.
In specific implementation, the substrate core layer assembly in this embodiment 2 may be pre-compounded and formed in the compounding manner in reference to embodiment 1, or may be integrally formed with the first thermoplastic film layer and the second thermoplastic film layer in reference to the compounding manner in embodiment 1, which is not limited in this embodiment.
Example 3: referring to fig. 4, the present embodiment 3 provides a flexible mounting bracket 3, which includes the mounting bracket 1' described in embodiment 1 or embodiment 2, two ends of the reinforced composite films 10 and 20 are respectively connected to the mounting bracket 1' (which is a known structure, and is usually a metal support bracket), and the first thermoplastic film layers 12 and 21 of the reinforced composite films 10 and 20 are connected to the back surface of the photovoltaic module 2 '.
Preferably, in order to facilitate the installation layout effect, in the present embodiment, the length direction of the reinforced composite film is flush with the width direction of the corresponding photovoltaic module 2'; in order to ensure the installation reliability of the photovoltaic module 2', preferably, in the present embodiment, at least 2 reinforced composite films 10,20 are correspondingly installed and connected on the back surface of a single photovoltaic module 2' (several photovoltaic modules 2' can be correspondingly installed on the reinforced composite films 10, 20); in the present embodiment, the reinforced composite films 10 and 20 are fixedly mounted and connected to the mounting frame bodies 1' at two ends thereof by fasteners, in other embodiments, adhesives or tapes may be used for bonding, a hot-melt connection (for example, hot-melt by welding) may be used, or a combination connection of these mounting manners may be used, which are all conventional technical choices that can be made by those skilled in the art based on the present application, and the present embodiment does not limit the present invention.
This embodiment is through by first thermoplastic film layer, the compound enhancement mode composite film material that forms of substrate sandwich layer or substrate sandwich layer subassembly and the thermoplastic film layer complex of second replaces wire rope among the prior art, as the key-type connection structure of photovoltaic module installing support, when actual installation is used, with photovoltaic module's the top of back direct mount connection at first thermoplastic film layer, the installation and construction process is quick convenient, and the compound membrane material of enhancement mode is whole to be planar, and the erection joint reliability between the photovoltaic module obtains effective guarantee, furthermore, the mounting structure that this embodiment provided has still avoided the problem of taking place the hidden fracture of battery piece reliably.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (10)
1. The utility model provides a compound membrane material of enhancement mode that photovoltaic module installing support used, its characterized in that, the installation support body is connected respectively at the both ends of compound membrane material of enhancement mode, including the substrate sandwich layer and be located first thermoplastic film layer and the second thermoplastic film layer of surface about the substrate sandwich layer, first thermoplastic film layer, substrate sandwich layer and the compounding of second thermoplastic film layer are as an organic whole, wherein, first thermoplastic film layer is used for being connected with photovoltaic module's back mounted.
2. The reinforced composite film for the photovoltaic module mounting bracket is characterized in that two ends of the reinforced composite film are respectively connected with a mounting bracket body and comprise a substrate core layer assembly, a first thermoplastic film layer and a second thermoplastic film layer, wherein the first thermoplastic film layer and the second thermoplastic film layer are positioned on the upper surface and the lower surface of the substrate core layer assembly, the first thermoplastic film layer, the substrate core layer assembly and the second thermoplastic film layer are compounded into a whole, and the first thermoplastic film layer is used for mounting and connecting with the back surface of a photovoltaic module; the substrate core layer assembly comprises at least two substrate core layers, and at least 1 thermoplastic film layer is arranged between every two adjacent substrate core layers.
3. The reinforced composite film as claimed in claim 1 or 2, wherein the substrate core layer is a woven or non-woven fabric layer or a metal sheet layer.
4. The reinforced composite film according to claim 1 or 2, wherein the substrate core layer is made of fiber woven fabric and/or metal woven fabric.
5. A reinforced composite film according to claim 1 or 2, wherein the back side of the photovoltaic module is thermally and/or adhesively and/or securely connected to the first thermoplastic adhesive film layer.
6. The reinforced composite film according to claim 1 or 2, wherein the width of the reinforced composite film is in the range of 30-500mm; and/or the thickness of the reinforced composite membrane ranges from 0.5 mm to 10mm.
7. The reinforced composite film of claim 1 or 2, wherein the photovoltaic module comprises a front side encapsulant layer, a cell string layer, and a back side encapsulant layer, wherein the back side encapsulant layer is thermally and/or adhesively bonded to the first thermoplastic film layer.
8. A flexible mounting bracket, which is characterized by comprising the reinforced composite film material as recited in any one of claims 1 to 7, wherein two ends of the reinforced composite film material are respectively connected with a mounting bracket body, and the first thermoplastic film layer of the reinforced composite film material is connected with the back surface of a photovoltaic module in a mounting way.
9. The flexible mounting bracket of claim 8 wherein the reinforced composite film has a length direction that is flush with a width direction of its corresponding photovoltaic module; and/or the back surface of the single photovoltaic module is correspondingly connected with at least 2 reinforced composite films which are distributed at intervals.
10. The flexible mounting bracket of claim 8 wherein the reinforced composite film is thermally and/or adhesively and/or securely attached to the mounting bracket body and the back side of the photovoltaic module is thermally and/or adhesively and/or securely attached to the first thermoplastic film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221036214.0U CN217956988U (en) | 2022-05-03 | 2022-05-03 | Enhanced composite film material for photovoltaic module mounting bracket and flexible mounting bracket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221036214.0U CN217956988U (en) | 2022-05-03 | 2022-05-03 | Enhanced composite film material for photovoltaic module mounting bracket and flexible mounting bracket thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217956988U true CN217956988U (en) | 2022-12-02 |
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|---|---|---|---|
| CN202221036214.0U Active CN217956988U (en) | 2022-05-03 | 2022-05-03 | Enhanced composite film material for photovoltaic module mounting bracket and flexible mounting bracket thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN217956988U (en) |
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