CN213261454U

CN213261454U - Solar canvas

Info

Publication number: CN213261454U
Application number: CN202021523740.0U
Authority: CN
Inventors: 芦涛; 王志兴
Original assignee: Solar Power Beijing Technology Co ltd
Current assignee: Solar Power Beijing Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-25
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a solar canvas relates to solar energy technical field, has solved among the prior art solar module and has been difficult for effectively combining and both combine the poor technical problem of wholeness with the canvas. This solar canvas includes the protection rete that the lamination set up in proper order, first doubling piece layer, the rete blocks water, second doubling piece layer, solar energy chip layer, third doubling piece layer, backsheet layer and canvas layer, forms firm whole after the lamination is compound promptly each layer, and places in the firm bonding of solar energy chip layer between second doubling piece layer and the third doubling piece layer, avoids foreign object damage, has greatly improved the wholeness and the weatherability of subassembly, the utility model discloses guarantee the whole frivolous gentle characteristics of subassembly, avoided the bale breaking through the mode of lamination, the weatherability is stronger to make cloth and solar energy component associativity better, the utility model is used for making solar energy chip's use more convenient.

Description

Solar canvas

Technical Field

The utility model belongs to the technical field of the solar energy technique and specifically relates to a solar canvas is related to.

Background

A solar cell is also called a solar chip or a photovoltaic cell, and is a photoelectric semiconductor sheet that directly generates electricity by using sunlight.

On the common freight train in life and the automobile body of fluffy car, canvas is used commonly and shelters from its upper portion and lateral part to also guarantee pleasing to the eye when avoiding the sunlight irradiation, but its function singleness has also caused the waste of solar energy. The metallurgical silicon is generally prepared from high-purity quartz sand, and the metallurgical silicon is prepared into crystalline silicon through chloridizing smelting. The connection of other flexible solar cell modules and canvas is generally that the back of the solar cell module is coated with high-molecular weather-resistant structural adhesive, so that the solar cell module is directly adhered to the surface of the canvas, although the operation is easy, the integrity is poor, and the risk of adhesive separation is large along with the time, thereby affecting the appearance and the use.

Therefore, how to solve the technical problems that the solar cell module is not easy to be effectively combined with the canvas and the combination integrity of the solar cell module and the canvas is poor in the prior art becomes an important technical problem to be solved by the person in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar energy canvas has solved among the prior art solar module and has been difficult for effectively combining and both combine the poor technical problem of wholeness with the canvas. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a solar canvas, include: from top to bottom laminate protection rete, first doubling lamella layer, the rete that blocks water, second doubling lamella layer, flexible solar energy chip layer, third doubling lamella layer, backsheet layer and the canvas layer that compound set up in proper order, solar energy chip layer embeds the package and locates second doubling lamella with between the third doubling lamella layer.

Preferably, the solar chip layer is a solar thin film cell layer.

Preferably, the solar chip layer is a copper indium gallium selenide thin-film solar cell layer.

Preferably, the surface of the canvas layer is provided with an impermeable layer for preventing glue solution from permeating.

Preferably, a junction box is included that is electrically connected to the solar chip layer.

Preferably, the backsheet layer is a flexible backsheet layer.

Preferably, the backing layer is an aluminum-containing backing layer.

Preferably, the first film-sandwiched layer, the second film-sandwiched layer and the third film-sandwiched layer are all made of ethylene-vinyl acetate copolymer, or polyolefin elastomer.

Preferably, the protective film layer, the first film clamping layer, the water blocking film layer, the second film clamping layer, the solar chip layer, the third film clamping layer and the back plate layer are arranged on the periphery of the whole assembly body in the circumferential direction.

Preferably, the water-blocking film layer is a composite film layer.

The utility model provides a solar canvas, which comprises a protective film layer, a first laminated film layer, a water-blocking film layer, a second laminated film layer, a flexible solar chip layer, a third laminated film layer, a back plate layer and a canvas layer which are laminated and compounded from top to bottom, wherein the solar chip layer is internally wrapped between the second laminated film layer and the third laminated film layer, namely, each layer can form a firm whole after lamination and compounding, and the solar chip layer is firmly bonded and arranged between the second laminated film layer and the third laminated film layer, thereby avoiding foreign object damage, greatly improving the integrity and the weather resistance of the assembly, ensuring the characteristics of light, thin and soft whole assembly, the problem of splitting has been avoided through the mode of lamination, and the weatherability is stronger to make cloth and solar energy component associativity better, solved among the prior art solar module be difficult for effectively combining and both combine the poor technical problem of wholeness with the canvas.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a solar canvas provided by an embodiment of the present invention.

FIG. 1-protective film layer; 2-a first film-sandwiched layer; 3-a water-blocking film layer; 4-a second film-sandwiched layer; 5-a solar chip layer; 6-a third film-sandwiched layer; 7-a backsheet layer; 8-canvas layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of the utility model is to provide a solar energy canvas has solved among the prior art solar module and has been difficult for effectively combining and both combine the poor technical problem of wholeness with the canvas.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, the present invention provides a solar canvas, which comprises a protective film layer 1, a first film-sandwiched layer 2, a water-blocking film layer 3, a second film-sandwiched layer 4, a flexible solar chip layer 5, a third film-sandwiched layer 6, a back sheet layer 7 and a canvas layer 8, which are laminated and compounded in sequence from top to bottom, wherein the solar chip layer 5 is internally wrapped between the second film-sandwiched layer 4 and the third film-sandwiched layer 6, i.e. after lamination and compounding, the second film-sandwiched layer 4 and the third film-sandwiched layer 6 can tightly wrap the solar chip layer 5, the protective film layer 1, the first film-sandwiched layer 2, the water-blocking film layer 3 and the second film-sandwiched layer 4 are made of transparent or translucent materials, and thus, the protective film layer 1 is arranged on the outer layer, and can be but not limited to ethylene-tetrafluoroethylene copolymer (ETFE) for protecting the water-blocking film layer 3 from being scratched by foreign objects, thereby ensuring the waterproof effect. The first film-sandwiched layer 2 is laminated to bond the protective film layer 1 and the water-blocking film layer 3 to form a reliable internal structure. The film layer 3 that blocks water has higher steam barrier performance, and backsheet layer 7 can bearing solar energy chip layer 5, can effectively be waterproof simultaneously, improves the holistic weatherability of subassembly. The canvas layer 8 is an outermost structure of the back, and the material of the canvas layer may be, but is not limited to, polyester fabric or cotton fabric. Protection rete 1, first doubling lamella 2, rete 3 blocks water, second doubling lamella 4, flexible solar chip layer 5, third doubling lamella 6, backplate layer 7 and canvas layer 8 can form firm whole after the lamination is compound, and place firmly bonding in solar chip layer 5 in between second doubling lamella 4 and third doubling lamella 6, avoid foreign object damage, greatly improved the wholeness and the weatherability of subassembly, the utility model discloses guarantee the whole frivolous gentle characteristics of subassembly, avoided the problem of splitting through the mode of lamination, the weatherability is stronger, so that cloth and solar energy component associativity are better, solved among the prior art solar energy battery component difficult effectively combine and both combine the poor technical problem of wholeness with the canvas.

As the embodiment of the present invention can be optionally implemented, the solar chip layer 5 is a solar thin film battery layer, which has a small mass, an extremely thin thickness and is bendable.

Furthermore, the solar chip layer 5 is a copper indium gallium selenide thin-film solar cell layer, and has the advantages of low production cost, small pollution, no fading, good low-light performance and high photoelectric conversion efficiency.

Further, the backsheet layer 7 is a flexible backsheet layer, i.e. it is bendable to conform to the flexible solar core layer 5 and to enable effective waterproofing.

Further, the back sheet layer 7 may be, but is not limited to, an aluminum-containing back sheet layer.

As the embodiment of the utility model provides an optional implementation mode, the surface of canvas layer 8 is provided with the barrier layer for prevent the infiltration of hot pressing in-process glue solution, thereby guarantee off-the-shelf outward appearance. The material of the impermeable layer may be, but is not limited to, Polyurethane (PU), which may be coated on the surface of the canvas layer 8.

As the embodiment of the utility model provides an optional implementation mode, the utility model discloses still include the terminal box of being connected with solar energy chip layer 5 electricity, the terminal box is solar energy chip layer 5's electrical output part, can go on just going out or carrying on the back the installation according to actual need. The waterproof grade of the junction box can meet the requirement of IP67 or above, and meanwhile, the connection is ensured to be reliable.

As the optional implementation mode of the embodiment of the present invention, the materials of the first film-sandwiched layer 2, the second film-sandwiched layer 4 and the third film-sandwiched layer 6 are ethylene-vinyl acetate copolymer, or, for polyolefin elastomer, ethylene-vinyl acetate type hot melt adhesive has strong adhesive force, good toughness of the adhesive layer, high strength, and can satisfy the requirements of heat resistance and cold resistance at the same time. The polyolefin elastomer hot melt adhesive has the advantages of no peculiar smell, low density, high flowing coating property and good wetting property.

Further, protection film layer 1, first doubling lamella 2, rete 3 blocks water, second doubling lamella 4, solar energy chip layer 5, the holistic peripheral circumference of subassembly that third doubling lamella 6 and backsheet layer 7 are constituteed is provided with the layer of borduring, the layer of borduring can all wrap up this whole exposed side of subassembly promptly, in order to avoid the waterproof quilt around the solar energy chip layer to destroy, specifically, the layer of borduring can use rectangular cloth to enclose to establish the parcel and bond or sew up in this whole circumference of subassembly.

Furthermore, the water-blocking film layer can be but is not limited to a composite film layer, and the composite film is a separation film which is formed by taking a microporous film or an ultrafiltration film as a nominal layer and covering a dense homogeneous film as a barrier layer on the surface of the composite film, so that the material permeability is greatly increased.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A solar canvas, comprising: from top to bottom laminate protection rete (1), first doubling film layer (2), the rete (3), second doubling film layer (4), flexible solar energy chip layer (5), third doubling film layer (6), backsheet layer (7) and canvas layer (8) of compound setting in proper order, solar energy chip layer (5) built-in package is located second doubling film layer (4) with between third doubling film layer (6).

2. A solar canvas as claimed in claim 1, wherein the solar core layer (5) is a solar thin film cell layer.

3. A solar canvas according to claim 2, wherein the solar core layer (5) is a copper indium gallium selenide thin film solar cell layer.

4. A solar canvas according to claim 1, characterised in that the surface of the canvas layer (8) is provided with an impermeable layer for preventing the penetration of glue.

5. A solar canvas as claimed in claim 1, including a junction box electrically connected to the solar core layer (5).

6. A solar sail according to any of claims 1-3, wherein the back sheet layer (7) is a flexible back sheet layer.

7. A solar sail cloth as claimed in claim 6, wherein the back sheet layer (7) is an aluminum-containing back sheet layer.

8. A solar canvas as claimed in claim 1, wherein the first, second and third film-sandwiched layers (2, 4, 6) are all made of ethylene-vinyl acetate copolymer or polyolefin elastomer.

9. A solar canvas as claimed in claim 1, wherein the protective film layer (1), the first film-sandwiched layer (2), the water-blocking film layer (3), the second film-sandwiched layer (4), the solar chip layer (5), the third film-sandwiched layer (6) and the back sheet layer (7) are integrally provided with a peripheral edge-wrapping layer along the periphery.

10. A solar canvas as claimed in claim 1, wherein the water blocking film layer (3) is a composite film layer.