CN211045447U

CN211045447U - Flexible solar cell module

Info

Publication number: CN211045447U
Application number: CN201922492691.2U
Authority: CN
Inventors: 陈嘉豪; 陈五奎; 陈昊; 张明星; 刘拴平
Original assignee: Shenzhen Topray Solar Co Ltd
Current assignee: Shenzhen Topray Solar Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-17
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a flexible solar module, including ethylene-tetrafluoroethylene copolymer layer, solar cell layer, the cotton layer of polyethylene foaming and the notacoria layer that from the top down set gradually, ethylene-tetrafluoroethylene copolymer layer, solar cell layer, the cotton layer of polyethylene foaming and notacoria layer are laminated together and are laminated as an organic whole through the viscose layer laminating each other. The utility model discloses a flexible solar module passes through the integrated design, and through the laminated structure who adopts polyethylene foaming cotton and notacoria, is provided with the ethylene-tetrafluoroethylene copolymer layer of high strength simultaneously, has protected flexible solar module's inner structure, makes flexible solar cell can stabilize not squint simultaneously, is difficult to the fish tail and damages, conveniently carries moreover.

Description

Flexible solar cell module

Technical Field

The utility model relates to a photovoltaic application technology field, in particular to flexible solar module.

Background

The flexible solar cell module is an emerging technical product of the world solar energy industry, and is made of resin-encapsulated amorphous silicon serving as a main photoelectric element layer and laid on a base plate made of a flexible material. With the development of new energy technology, flexible solar cell modules are more and more widely applied, but the existing flexible solar cell modules are mainly laminated plates formed by packaging PET composite films and back films, and the packaging mode has certain defects in use: the surface packaged by the PET composite film is easy to scratch, and if the surface is exposed to heavy rain or typhoon, the surface can delaminate for a long time, so that the adverse phenomena of short circuit, fire and the like of the battery piece inside the flexible solar battery pack are caused. Therefore, the prior art has yet to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming that exists among the prior art, provide a firm not skew, difficult fish tail and convenient to carry's flexible solar module.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a flexible solar module, including ethylene-tetrafluoroethylene copolymer layer, solar cell layer, the cotton layer of polyethylene foaming and the notacoria layer that from the top down set gradually, ethylene-tetrafluoroethylene copolymer layer, solar cell layer, the cotton layer of polyethylene foaming and notacoria layer are laminated together and are laminated as an organic whole through the viscose layer laminating each other.

Furthermore, the flexible solar cell module further comprises a waterproof junction box, the waterproof junction box is connected with a waterproof connector, and a lead on the solar cell extends into the waterproof junction box through the waterproof connector.

Further, the adhesive layer is ethylene-vinyl acetate copolymer.

Further, the solar cell layer adopts a DF crystalline silicon solar cell.

Furthermore, a plurality of grooves are formed in the surface of the ethylene-tetrafluoroethylene copolymer layer, and the grooves are arranged to form a honeycomb shape.

Furthermore, a plurality of mounting holes are formed in two sides of the flexible solar cell module, and suckers are mounted in the mounting holes.

Furthermore, an anti-reverse charging diode is arranged in the solar cell layer to prevent reverse charging.

Furthermore, the back film layer adopts a polyvinyl fluoride composite film.

The utility model discloses beneficial effect that technical scheme has:

the utility model discloses a flexible solar module passes through the integrated design, and through the laminated structure who adopts polyethylene foaming cotton and notacoria, is provided with the ethylene-tetrafluoroethylene copolymer layer of high strength simultaneously, has protected flexible solar module's inner structure, makes flexible solar cell can stabilize not squint simultaneously, is difficult to the fish tail and damages, conveniently carries moreover.

Drawings

Fig. 1 is a schematic view of a laminated structure of a flexible solar cell module according to the present invention;

fig. 2 is a front view of the flexible solar module of the present invention;

description of reference numerals:

100-flexible solar cell module, 11-ethylene-tetrafluoroethylene copolymer layer, 12-solar cell layer, 13-polyethylene foam layer, 14-back film layer, 15-adhesive layer, 20-waterproof junction box, 21-waterproof connector and 22-mounting hole.

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 specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention. Based on the embodiments in 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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Please refer to fig. 1 and fig. 2, the utility model provides a flexible solar module 100, include ethylene-tetrafluoroethylene copolymer layer 11, solar cell layer 12, the cotton layer 13 of polyethylene foaming and back of the body rete 14 that from the top down set gradually, ethylene-tetrafluoroethylene copolymer layer 11, solar cell layer 12, the cotton layer 13 of polyethylene foaming and back of the body rete 14 are each other laminated together and are laminated as an organic whole through viscose layer 15, make through lamination encapsulation flexible solar module 100 is more firm, and flexible 30 and difficult fish tail damage has reduced flexible solar module 100's volume and weight greatly moreover, more conveniently carries. Light enters from the ethylene-tetrafluoroethylene copolymer layer 11 and is absorbed and converted into electric energy by the solar cell layer 12, the existing electronic product which accords with output voltage and current is charged, the ethylene-tetrafluoroethylene copolymer layer 11 is a transparent protective film, the light transmittance is high, the corrosion resistance is high, the service life is long, and therefore the power generation efficiency of the flexible solar cell module 100 is improved.

In the present embodiment, the polyethylene foam layer 13 is a non-crosslinked closed-cell structure, and is formed by innumerable independent bubbles generated by physically foaming low-density polyethylene, so that the defects of fragility, deformation and poor recovery of common foam adhesives are overcome, and the polyethylene foam layer has the advantages of good flexibility, water and moisture resistance, strong shock-proof toughness, strong impact resistance and the like, and the multiple adhesive layers 15 are separated to prevent the adhesive layers 15 from excessively flowing in the laminating process.

The utility model discloses a flexible solar module 100 is through the integrated design, through adopting the cotton layer 13 of polyethylene foaming and the lamination of rete 14, is provided with the ethylene-tetrafluoroethylene copolymer layer 11 of high strength simultaneously, has protected flexible solar module 100's inner structure, makes flexible solar module 12 can stabilize not squint simultaneously, is difficult to the fish tail and damages, conveniently carries moreover.

Further, the flexible solar cell module 100 further comprises a waterproof junction box 20, the waterproof junction box 20 is connected with a waterproof connector 21, the wires on the solar cell layer 12 extend into the waterproof junction box 20 through the waterproof connector 21, the defects that an original junction box is not waterproof and is prone to weathering are overcome, the waterproof junction box 20 can resist ultraviolet rays, and the service life is prolonged.

As an example, the adhesive layer 15 is an ethylene-vinyl acetate copolymer, and the ethylene-vinyl acetate copolymer is a closed cell structure, and has the advantages of no water absorption, moisture resistance, good water resistance, corrosion resistance, no toxicity, no odor, and no pollution.

As an example, the solar cell layer 12 adopts a DF crystalline silicon solar cell, and has high photoelectric conversion rate and long service life.

Furthermore, the surface of the ethylene-tetrafluoroethylene copolymer layer 11 is provided with a plurality of grooves which are arranged to form a honeycomb shape, so that the defects of single appearance shape, hardness and low selectivity of the original flexible solar cell module are overcome.

Preferably, a plurality of mounting holes 22 are formed in two sides of the flexible solar cell module 100, and the mounting holes 22 are provided with suckers, so that the flexible solar cell module 100 can be conveniently mounted and dismounted.

Preferably, an anti-reverse charging diode is arranged in the solar cell layer 12 to prevent reverse charging, so that the use safety of the product is ensured.

As an embodiment, the back film layer 14 is a polyvinyl fluoride composite film, which has the advantages of corrosion resistance, ultraviolet resistance, good mechanical properties, thermal stability, long service life, and no need of frequent replacement.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a flexible solar cell module which characterized in that, includes ethylene-tetrafluoroethylene copolymer layer, solar cell layer, the cotton layer of polyethylene foaming and the notacoria layer that from the top down set gradually, ethylene-tetrafluoroethylene copolymer layer, solar cell layer, the cotton layer of polyethylene foaming and notacoria layer are laminated together and are laminated as an organic whole through the viscose layer laminating each other.

2. The flexible solar cell module of claim 1 further comprising a waterproof junction box to which a waterproof connector is connected, the wires on the solar cells extending into the waterproof junction box through the waterproof connector.

3. The flexible solar cell module of claim 1, wherein the adhesive layer is ethylene vinyl acetate.

4. The flexible solar cell module of claim 1 wherein the solar cell layer is a DF crystalline silicon solar cell.

5. The flexible solar cell module of claim 1, wherein the surface of the ethylene-tetrafluoroethylene copolymer layer is provided with a plurality of grooves, and the grooves are arranged to form a honeycomb shape.

6. The flexible solar cell module of claim 1, wherein a plurality of mounting holes are provided on both sides of the flexible solar cell module, and the mounting holes are provided with suction cups.

7. The flexible solar cell module of claim 1 wherein an anti-reverse charging diode is built into the solar cell layer to prevent reverse charging.

8. The flexible solar cell module as claimed in claim 1, wherein the back film layer is a polyvinyl fluoride composite film.