CN214226921U

CN214226921U - Flexible light photovoltaic module

Info

Publication number: CN214226921U
Application number: CN202120475925.7U
Authority: CN
Inventors: 高瑞; 丁培兴; 刘浩
Original assignee: Suzhou Golden Star Electronic Technology Co ltd
Current assignee: Suzhou Golden Star Electronic Technology Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-09-17
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a flexible light photovoltaic module, utilize novel transparent backplate technique and development to form, it is advanced to have the technique, the steady quality is reliable, low cost etc. are showing the advantage, adopt novel transparent backplate film to replace toughened glass, it is heavy to have solved glass transport, low efficiency, high cost problem, the problem that toughened glass cut has still been solved, especially can't cut into the nonstandard subassembly size that has the arc, and can produce the flexible assembly that has bending function, make photovoltaic module become light, become gentle, and can carry out size cutting and design according to application requirement, can bear the bending of certain degree, satisfy some special design or special requirement's application scenario, for example car as a house, arc roof etc., for photovoltaic module design, power generation system design provides more wide space and selection.

Description

Flexible light photovoltaic module

Technical Field

The utility model relates to a photovoltaic module production field especially relates to a flexible light photovoltaic module.

Background

Along with the rapid development of society, people increasingly recognize the limitation of non-renewable energy sources such as petroleum and the like, people continuously try to develop new energy sources to deal with the coming energy crisis, meanwhile, the petroleum, coal and other energy sources inevitably pollute the environment in the using process, along with the improvement of the environmental protection consciousness of people, the requirement of people on energy cleanness is higher and higher, solar energy is taken as a high-efficiency and pollution-free renewable resource and is gradually utilized by various industries at present, and along with the improvement of the environmental protection consciousness of people, the development of the field of photovoltaic power generation is steadily advanced.

The photovoltaic module is a core component of a photovoltaic power generation system and is used for converting light energy into electric energy, the photovoltaic module is formed by serially packaging single battery pieces, high voltage can be obtained through the serially connected module, and a plurality of strings of battery pieces are connected in parallel to obtain high current.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flexible light photovoltaic module.

For realizing above-mentioned technical purpose, the utility model discloses a following technical scheme, a flexible light photovoltaic module, flexible light photovoltaic module is from last to being photovoltaic backplate membrane down in proper order, UV ends type EVA encapsulated layer, the battery lamella, transparent EVA encapsulated layer and transparent backplate thin layer, the lower floor of photovoltaic backplate membrane bonds UV and ends type EVA encapsulated layer, the thickness of photovoltaic backplate membrane is 250 and adds 350um, the thickness of transparent EVA encapsulated layer is 300 and adds 450 um, the luminousness >90%, the transparent backplate thin layer uses the PET film as the substrate, the upper and lower two-layer hot melt adhesive layer that is respectively of PET film, the upper strata is outer hot melt adhesive layer, the lower floor is interior hot melt adhesive layer, the lower floor complex of interior hot melt adhesive layer has fluorine-containing film, the transparent EVA encapsulated layer of outer hot melt adhesive layer bonding, the thickness of transparent backplate thin layer is 250 and adds 350um, the luminousness > 90%.

Preferably, the photovoltaic back sheet film is a white back sheet film.

Preferably, the cell layers are formed by welding the cut cells into strings, and the strings of cells are distributed in parallel, so that the current and voltage requirements of the photovoltaic module are met, and the current is led out.

Preferably, the flexible lightweight photovoltaic module is in the shape of a clover.

The utility model discloses the flexible light photovoltaic module of development, utilize novel transparent backplate technique and development to form, it is advanced to have the technique, the steady quality is reliable, low cost etc. are showing the advantage, adopt novel transparent backplate film to replace toughened glass, it is heavy to have solved glass transport, low efficiency, high cost problem, the problem that toughened glass cut has still been solved, especially can't cut into the nonstandard subassembly size that has the arc, and can produce the flexible assembly that has bending function, make photovoltaic module lighter, become gentle, and can carry out size cutting and design according to application requirement, can bear the bending of certain degree, satisfy some special design or special requirement's application scenario, for example car as a house, arc roof etc., for photovoltaic module design, the power generation system design provides more wide space and selection.

Drawings

Fig. 1 is a schematic view of the present invention.

In the figure: 1. a photovoltaic backsheet film; 2. UV cut-off type EVA packaging layer; 3. a cell sheet layer; 4. a transparent EVA packaging layer; 5. a transparent backplane film layer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used in a broad sense and can be, for example, mechanically or electrically connected, or can be connected by two elements through internal communication, either directly or indirectly via an intermediate medium. The specific meaning of the above terms can be understood by those of ordinary skill in the art as appropriate.

The utility model provides a flexible light photovoltaic module, flexible light photovoltaic module is photovoltaic backplate membrane 1 from last to being in proper order down, UV ends type EVA encapsulated layer 2, cell piece layer 3, transparent EVA encapsulated layer 4 and transparent backplate thin film layer 5, the lower floor of photovoltaic backplate membrane 1 bonds UV ends type EVA encapsulated layer 2, through setting up UV ends type EVA encapsulated layer 2, make photovoltaic module's resistant UV performance excellent, exceed 400kwh, the thickness of photovoltaic backplate membrane 1 is 250 and supplyes 350um, the thickness of transparent EVA encapsulated layer 4 is 300 and supplyes 450 um, the luminousness >90%, transparent backplate thin film layer 5 uses the PET film as the substrate, the upper and lower two-layer of PET film is the hot melt adhesive layer respectively, the upper strata is outer hot melt adhesive layer, the lower floor is interior hot melt adhesive layer, the lower floor of interior hot melt adhesive layer is compound has fluorine-containing film, outer hot melt adhesive layer bonds transparent EVA encapsulated layer 4, the thickness of transparent backplate thin film layer is 250 and supplyes 350um, the light transmittance is more than 90%.

Preferably, the photovoltaic back sheet film 1 is a white back sheet film.

Preferably, the cell sheet layer 3 is formed by welding the cut cell sheets into strings, and the string cell sheets are distributed in parallel, so that the current and voltage requirements of the photovoltaic module are met, and the current is led out.

In the description herein, references to the description of "one embodiment," "an example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a flexible light photovoltaic module, a serial communication port, flexible light photovoltaic module is from last to being photovoltaic backplate membrane down in proper order, UV ends type EVA encapsulated layer, the battery piece layer, transparent EVA encapsulated layer and transparent backplate thin layer, the lower floor of photovoltaic backplate membrane bonds UV and ends type EVA encapsulated layer, the thickness of photovoltaic backplate membrane is 250 and adds a fee 350um, the thickness of transparent EVA encapsulated layer is 300 and adds a fee 450 um, the luminousness >90%, transparent backplate thin layer uses the PET film as the substrate, the upper and lower two-layer of PET film is the hot melt adhesive layer respectively, the upper strata is outer hot melt adhesive layer, the lower floor is interior hot melt adhesive layer, the lower floor complex of interior hot melt adhesive layer has fluorine-containing film, the transparent EVA encapsulated layer of outer adhesive layer bonding, the thickness of transparent backplate thin layer is 250 and adds a fee 350um, the luminousness > 90%.

2. The flexible, lightweight photovoltaic module of claim 1 wherein the photovoltaic backsheet film is a white backsheet film.

3. The flexible lightweight photovoltaic module of claim 1 wherein the cell sheets are cut and welded together in strings, the strings being arranged in parallel.

4. The flexible lightweight photovoltaic module of claim 1, wherein the flexible lightweight photovoltaic module is clover-shaped.