CN115579414B - Color photovoltaic assembly for increasing incident light and application thereof - Google Patents
Color photovoltaic assembly for increasing incident light and application thereof Download PDFInfo
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- 238000003860 storage Methods 0.000 claims description 8
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- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 23
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
The utility model relates to a color photovoltaic component for increasing incident light, which comprises a photovoltaic cell panel and a functional layer arranged on the photovoltaic cell panel, wherein the photovoltaic cell panel comprises a cell panel frame, a backboard, a photovoltaic cell and a transparent front plate which are sequentially stacked in the cell panel frame, two sides of the photovoltaic cell are respectively provided with adhesive films and are respectively adhered with the backboard and the transparent front plate through the adhesive films, and a junction box electrically connected with the photovoltaic cell is arranged on the backboard; the functional layer comprises a grid layer arranged on the transparent front plate, an adhesive layer arranged on the grid layer and a color layer arranged on the adhesive layer, wherein the grid layer is formed by connecting a plurality of transparent thread materials. According to the photovoltaic module, the first layer of the grid layer is added into the original adhesive layer of the photovoltaic module, and the second layer of the grid layer can reflect part of visible light to the transparent front plate, so that the visible light incident to the photovoltaic cell can be increased.
Description
Technical Field
The application relates to the field of photovoltaics, in particular to a color photovoltaic module and application thereof.
Background
Along with the development of the photovoltaic industry, the increasing reduction of the cost of the photovoltaic panel and the increasing maturation of the combination mode of the photovoltaic technology and the city, the photovoltaic panel starts to show the trend of large-scale application in city construction. One aspect of photovoltaic panels that is important for application in urban construction is application to the exterior of buildings. Because the photovoltaic cell panel is mainly black or blue, when the photovoltaic cell panel is paved outside a building, the beauty of the building can be influenced. In order to increase the aesthetic feeling of the photovoltaic cell panel, the photovoltaic cell panel is colored by pigment to form a pattern when the photovoltaic cell panel is paved outside a building.
However, the color development principle of the pigment is to reflect visible light, which means that the visible light of the photovoltaic cell incident to the photovoltaic cell panel is reduced, and in addition, in order to facilitate the coloring of the photovoltaic cell panel, the pigment is often printed on a transparent film, and then the transparent film is bonded to the photovoltaic cell panel through a bonding material, and the presence of the transparent film and the bonding material further reduces the visible light of the photovoltaic cell incident to the photovoltaic cell panel, which results in a reduction of the power generation of the photovoltaic cell panel after the coloring.
Disclosure of Invention
The embodiment of the application provides a photovoltaic module with an increased incident light and a preparation method thereof, so as to solve the technical problem of visible light reduction of a photovoltaic cell which is colored and then is incident to a photovoltaic cell panel.
In a first aspect, embodiments of the present application provide a color photovoltaic module for increasing incident light, the color photovoltaic module for increasing incident light comprising a photovoltaic panel and a functional layer disposed on the photovoltaic panel,
the photovoltaic cell panel comprises a panel frame, a backboard, a photovoltaic cell and a transparent front plate, wherein the backboard, the photovoltaic cell and the transparent front plate are sequentially arranged in the panel frame in a laminated mode, adhesive films are arranged on two sides of the photovoltaic cell and are respectively adhered to the backboard and the transparent front plate through the adhesive films, and a junction box electrically connected with the photovoltaic cell is arranged on the backboard;
the functional layer comprises a grid layer arranged on the transparent front plate, an adhesive layer arranged on the grid layer and a color layer arranged on the adhesive layer, wherein the grid layer is formed by mutually connecting a plurality of transparent silk-like materials, and the transparent silk-like materials are the same as the transparent front plate.
In some embodiments of the present application, the transparent filiform material has a diameter of 30-100 μm.
In some embodiments of the present application, the transparent filamentary material comprises a first filamentary material aligned in parallel equidistant along a first direction and a second filamentary material aligned in parallel equidistant along a second direction, the first and second directions having a predetermined angle therebetween.
In some embodiments of the present application, the predetermined angle is 120 °.
In some embodiments of the present application, the first filamentary material is at a spacing of 50-100 μm; and/or the number of the groups of groups,
the spacing between the second filar materials is 50-100 μm.
In some embodiments of the present application, the color layer includes a flexible transparent film disposed on the adhesive layer and a pigment layer disposed on the flexible transparent film.
In some embodiments of the present application, the pigment layer includes a white pigment layer disposed on the flexible transparent film and a color pigment layer disposed on the white pigment layer.
In a second aspect, embodiments of the present application provide a building on which the color photovoltaic assembly of any one of the embodiments of the first aspect is disposed to increase incident light.
In a third aspect, embodiments of the present application provide an urban public facility, where the color photovoltaic assembly of any one of the embodiments of the first aspect is disposed on the urban public facility.
In a fourth aspect, embodiments of the present application provide a personal electricity or electricity storage facility on which the color photovoltaic module of any of the embodiments of the first aspect is disposed to increase incident light.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
according to the color photovoltaic module for increasing incident light, the layer of the grid layer is added into the original bonding layer of the color photovoltaic module, and the grid layer can reflect part of visible light to the transparent front plate, so that the visible light incident to the photovoltaic cell can be increased.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic flow chart of a method for manufacturing a color photovoltaic module for increasing incident light according to an embodiment of the present application;
FIG. 2 is a schematic view of the light path of oblique sunlight repeatedly reflected and refracted between the transparent filamentary material and their gap;
fig. 3 is a schematic view of the shape of the mesh when the predetermined angle is 120 °.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Unless specifically stated otherwise, the terms used herein should be understood as meaning as commonly used in the art. Thus, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. In case of conflict, the present specification will control.
Unless specifically indicated otherwise, the various raw materials, reagents, instruments, equipment, and the like used in this application are commercially available or may be prepared by existing methods.
The existing photovoltaic module has the technical problems that visible light irradiated on a photovoltaic cell panel and covered with a low-light-transmittance pigment part is less, and a hot spot effect is generated.
The technical scheme provided by the embodiment of the application aims to solve the technical problems, and the overall thought is as follows:
referring to fig. 1, in a first aspect, an embodiment of the present application provides a color photovoltaic module for increasing incident light, where the color photovoltaic module for increasing incident light includes a photovoltaic panel and a functional layer disposed on the photovoltaic panel,
the photovoltaic cell panel comprises a panel frame, a backboard, a photovoltaic cell and a transparent front plate 1, wherein the backboard, the photovoltaic cell and the transparent front plate 1 are sequentially arranged in the panel frame in a laminated mode, adhesive films are arranged on two sides of the photovoltaic cell and are respectively adhered to the backboard and the transparent front plate 1 through the adhesive films, and a junction box electrically connected with the photovoltaic cell is arranged on the backboard;
the functional layer comprises a grid layer 2 arranged on the transparent front plate 1, an adhesive layer 3 arranged on the grid layer 2 and a color layer 4 arranged on the adhesive layer 3, wherein the grid layer 2 is formed by mutually connecting a plurality of transparent thread-like materials, and the transparent thread-like materials are the same as the transparent front plate.
The skilled person will appreciate that the panel frame is used for fixing other panel-like members of the photovoltaic panel, including the back sheet, photovoltaic cells, transparent front sheet 1. The material of the panel frame may be a conventional material in the art, such as a polymer material and a metal material.
Those skilled in the art will appreciate that the back sheet is a commercial product in the art. The back plate is mainly used for protecting the photovoltaic cell and providing support for the photovoltaic cell.
It will be appreciated by those skilled in the art that the transparent front plate 1 is a commercial product in the art, and that the transparent front plate 1 commonly used in the art is made of ultra-white glass. The transparent front plate 1 may be made of a transparent polymer.
It will be appreciated by those skilled in the art that the adhesive film primarily serves as an adhesive for adhering the back sheet and transparent front sheet 1 to the photovoltaic cells. The adhesive film is a commercial product in the field, and the adhesive film commonly used in the field is EVA (ethylene-vinyl acetate copolymer) material.
As will be appreciated by those skilled in the art, the junction box is used to output photocurrent generated by the photovoltaic cell.
Since the transparent silk material is made of the same material as the transparent front plate 1, the reflection of light incident on the transparent front plate 1 from the transparent silk material is extremely small, and it is considered that most of light enters the transparent front plate 1 after entering the transparent silk material. Referring to fig. 2, most of the sunlight irradiates the photovoltaic panel obliquely, the oblique sunlight is repeatedly reflected and refracted between the transparent filament materials and the gaps between the transparent filament materials, and in the process, much light directly irradiated onto the transparent front plate 1 enters the transparent filament materials through refraction, and the reflection loss of the light entering the transparent front plate 1 from the transparent filament materials is less, which is equivalent to increasing the incident quantity of the sunlight.
According to the photovoltaic module, the first grid layer 2 is added into the original bonding layer 3 of the photovoltaic module, and the grid layer 2 can reflect part of visible light to the transparent front plate 1, so that the visible light incident to the photovoltaic cell can be increased.
In some embodiments of the present application, the transparent filiform material has a diameter of 30-100 μm.
It will be appreciated by those skilled in the art that an excessive diameter of the transparent filiform material may result in a weak adhesion of the adhesive layer 3; the diameter of the transparent filiform material is too small, so that the total area of the side surfaces is small, the reflected visible light is less, and the visible light incident on the photovoltaic cell is difficult to be remarkably increased.
In some embodiments of the present application, the transparent filamentary material comprises a first filamentary material aligned in parallel equidistant along a first direction and a second filamentary material aligned in parallel equidistant along a second direction, the first and second directions having a predetermined angle therebetween.
It will be appreciated by those skilled in the art that the equally spaced parallel arrangement of the first filamentary material and the equally spaced parallel arrangement of the second filamentary material allows the transparent filamentary material to form a uniform grid.
In some embodiments of the present application, the predetermined angle is 120 °.
As can be appreciated by those skilled in the art, when the predetermined angle is 120 °, please refer to fig. 3, the shape of the grid is a diamond with an internal angle of 120 °, the diamond is easy to manufacture in the process, and because the diamond and the inherent rectangular grain shape of the photovoltaic panel are greatly different, the human eyes can preferentially recognize the more obvious rectangular grain and ignore the less obvious diamond grain, so that the grid layer 2 is not easy to be perceived, and the color and pattern representation of the color photovoltaic module are not affected.
In some embodiments of the present application, the first filamentary material is at a spacing of 50-100 μm; and/or the number of the groups of groups,
the spacing between the second filar materials is 50-100 μm.
As will be appreciated by those skilled in the art, the larger the spacing between the first filiform materials and the spacing between the second filiform materials means that the less the transparent filiform materials are in a unit area on the transparent front plate 1, the smaller the total area of the sides of the transparent filiform materials is, the less visible light is reflected, and it is difficult to significantly increase the visible light incident to the photovoltaic cell, so the spacing between the transparent filiform materials is not necessarily excessive; the smaller the spacing between the first filiform materials and the spacing between the second filiform materials means that the more transparent filiform materials are present in a unit area on the transparent front plate 1, the gaps between the transparent filiform materials may be too narrow, resulting in insufficient utilization of the sides of the transparent filiform materials, but rather reduced visible light incident on the photovoltaic cells, so that the spacing between the transparent filiform materials is not too small.
In some embodiments of the present application, the color layer 4 includes a flexible transparent film disposed on the adhesive layer 3 and a pigment layer disposed on the flexible transparent film.
As will be appreciated by those skilled in the art, the transparent flexible film serves as a substrate for the pigment layer, and the pigment layer can be first prepared onto the transparent flexible film during the manufacture of the color photovoltaic module, and then the transparent flexible film is attached to the photovoltaic panel.
In some embodiments of the present application, the material of the pigment layer is a UV light curable ink.
As will be understood by those skilled in the art, UV curable inks refer to inks that are formed into films and dried by polymerizing monomers in an ink vehicle into a polymer under ultraviolet radiation using ultraviolet light of different wavelengths and energies. The UV light curing ink has the characteristics of strong adhesion, smooth surface, quick curing film formation, simple use and the like. UV light curable inks may be printed on the flexible transparent film by UV printing, screen printing, or the like.
In some embodiments of the present application, the pigment layer includes a white pigment layer disposed on the flexible transparent film and a color pigment layer disposed on the white pigment layer.
As will be appreciated by those skilled in the art, the white pigment layer is provided as a base pigment layer for the color pigment layer. Because the color of the photovoltaic cell panel is generally black or deep blue, the color development effect of directly preparing the color pigment layer with thinner thickness is poor, and therefore, a white pigment layer is arranged between the color pigment layer and the transparent flexible film, so that the color of the color pigment layer is obvious.
In a second aspect, embodiments of the present application provide a building on which the color photovoltaic assembly of any one of the embodiments of the first aspect is disposed to increase incident light. The building may be any form of building including, but not limited to, a building, bridge, greening facility, factory building, etc. The building is realized based on the first aspect, and the specific implementation manner of the building can refer to the embodiment of the first aspect, and since the building adopts part or all of the technical solutions of the embodiment, at least all of the beneficial effects brought by the technical solutions of the embodiment are provided, and are not described in detail herein.
In a third aspect, embodiments of the present application provide an urban public facility, where the color photovoltaic assembly of any one of the embodiments of the first aspect is disposed on the urban public facility. The urban public facility may be any form of urban public facility including, but not limited to, billboards, buses, bus stop boards, street lamps, and the like. The urban public facility is implemented based on the embodiment of the first aspect, and the specific implementation manner of the urban public facility can refer to the embodiment of the first aspect, and since the urban public facility adopts part or all of the technical solutions of the foregoing embodiments, at least all of the beneficial effects brought by the technical solutions of the foregoing embodiments are not described herein in detail.
In a fourth aspect, embodiments of the present application provide a personal electricity or electricity storage facility on which the color photovoltaic module of any of the embodiments of the first aspect is disposed to increase incident light. The personal or electricity storage facility may be any capable of storing or using electricity in any form, including but not limited to a charger, a battery, an electric or hybrid car, an unmanned aerial vehicle, a cell phone, a computer, etc. The personal electricity or electricity storage facility is implemented based on the embodiment of the first aspect, and the specific implementation manner of the personal electricity or electricity storage facility can refer to the embodiment of the first aspect, and since the personal electricity or electricity storage facility adopts part or all of the technical solutions of the embodiments, at least the personal electricity or electricity storage facility has all the beneficial effects brought by the technical solutions of the embodiments, which are not repeated herein.
The present application is further illustrated below in conjunction with specific embodiments. It should be understood that these examples are illustrative only of the present application and are not intended to limit the scope of the present application. The experimental procedures, which are not specified in the following examples, are generally determined according to national standards. If the corresponding national standard does not exist, the method is carried out according to the general international standard, the conventional condition or the condition recommended by the manufacturer.
Example 1
The present embodiment provides a color photovoltaic module for increasing incident light, including:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with a grid layer, the grid layer is formed by glass filaments, the glass filaments are enclosed to form a plurality of congruent diamonds, and the diamonds have internal angles of 120 degrees; the long diagonal line of the diamond is parallel to the long side of the photovoltaic cell panel;
the grid layer is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer; the bonding layer is filled in the grid at the same time and bonded with the ultra-white glass front plate;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m;
the diameter of the glass filaments is 50 μm, the side length of the diamond is 100 μm, and the side length of the diamond is defined as the distance between two adjacent parallel glass filaments in the embodiment.
Example 2
This embodiment differs from embodiment 1 only in that:
the diameter of the glass fiber is 50 mu m, and the side length of the diamond is 70 mu m, and the glass fiber comprises the following specific steps:
the present embodiment provides a color photovoltaic module for increasing incident light, including:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with a grid layer, the grid layer is formed by glass filaments, the glass filaments are enclosed to form a plurality of congruent diamonds, and the diamonds have internal angles of 120 degrees; the long diagonal line of the diamond is parallel to the long side of the photovoltaic cell panel;
the grid layer is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer; the bonding layer is filled in the grid at the same time and bonded with the ultra-white glass front plate;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m;
the diameter of the glass filaments is 50 μm, the side length of the diamond is 70 μm, and the side length of the diamond is defined as the distance between two adjacent parallel glass filaments in the embodiment.
Example 3
This embodiment differs from embodiment 1 only in that:
the diameter of the glass fiber is 50 mu m, and the side length of the diamond is 50 mu m, and the glass fiber comprises the following specific steps:
the present embodiment provides a color photovoltaic module for increasing incident light, including:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with a grid layer, the grid layer is formed by glass filaments, the glass filaments are enclosed to form a plurality of congruent diamonds, and the diamonds have internal angles of 120 degrees; the long diagonal line of the diamond is parallel to the long side of the photovoltaic cell panel;
the grid layer is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer; the bonding layer is filled in the grid at the same time and bonded with the ultra-white glass front plate;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m;
the diameter of the glass filaments is 50 μm, the side length of the diamond is 50 μm, and the side length of the diamond is defined as the distance between two adjacent parallel glass filaments in the embodiment.
Example 4
This embodiment differs from embodiment 1 only in that:
the diameter of the glass fiber is 100 mu m, and the side length of the diamond is 50 mu m, and the glass fiber comprises the following specific steps:
the present embodiment provides a color photovoltaic module for increasing incident light, including:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with a grid layer, the grid layer is formed by glass filaments, the glass filaments are enclosed to form a plurality of congruent diamonds, and the diamonds have internal angles of 120 degrees; the long diagonal line of the diamond is parallel to the long side of the photovoltaic cell panel;
the grid layer is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer; the bonding layer is filled in the grid at the same time and bonded with the ultra-white glass front plate;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m;
the diameter of the glass filaments is 100 μm, the side length of the diamond is 50 μm, and the side length of the diamond is defined as the distance between two adjacent parallel glass filaments in the embodiment.
Example 5
This embodiment differs from embodiment 1 only in that:
the diameter of the glass fiber is 70 mu m, and the side length of the diamond is 50 mu m, and the glass fiber comprises the following specific steps:
the present embodiment provides a color photovoltaic module for increasing incident light, including:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with a grid layer, the grid layer is formed by glass filaments, the glass filaments are enclosed to form a plurality of congruent diamonds, and the diamonds have internal angles of 120 degrees; the long diagonal line of the diamond is parallel to the long side of the photovoltaic cell panel;
the grid layer is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer; the bonding layer is filled in the grid at the same time and bonded with the ultra-white glass front plate;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m;
the diameter of the glass filaments is 70 μm, the side length of the diamond is 50 μm, and the side length of the diamond is defined as the distance between two adjacent parallel glass filaments in the embodiment.
Example 6
This embodiment differs from embodiment 1 only in that:
the diameter of the glass fiber is 30 mu m, and the side length of the diamond is 50 mu m, and the glass fiber comprises the following specific steps:
the present embodiment provides a color photovoltaic module for increasing incident light, including:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with a grid layer, the grid layer is formed by glass filaments, the glass filaments are enclosed to form a plurality of congruent diamonds, and the diamonds have internal angles of 120 degrees; the long diagonal line of the diamond is parallel to the long side of the photovoltaic cell panel;
the grid layer is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer; the bonding layer is filled in the grid at the same time and bonded with the ultra-white glass front plate;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m;
the diameter of the glass filaments is 50 μm, the side length of the diamond is 50 μm, and the side length of the diamond is defined as the distance between two adjacent parallel glass filaments in the embodiment.
Comparative example
This comparative example differs from example 1 only in that:
the comparative example is not provided with a mesh layer, and is specifically as follows:
this comparative example provides a color photovoltaic module that increases incident light, comprising:
a photovoltaic cell panel with the length of 120cm and the width of 60cm, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 model photovoltaic cell panel manufactured by Dragon-edge energy science and technology (Hangzhou) Co., ltd; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a stacked manner are embedded in the aluminum alloy frame;
the ultra-white glass front plate is covered with an adhesive layer formed by EVA hot melt adhesive, and the adhesive layer is adhered with the grid layer;
the bonding layer is bonded with a flexible transparent film, the flexible transparent film is made of ETFE (ethylene-tetrafluoroethylene copolymer), the thickness of the flexible film is 20 mu m, and the interval between the flexible transparent film and the ultra-white glass is 120 mu m;
the flexible transparent film is covered with a white UV ink layer with the thickness of 15 mu m, and the white UV ink layer is covered with a yellow UV ink layer with the thickness of 15 mu m.
Related experiment and effect data:
the color photovoltaic modules of examples 1 to 5 and comparative examples, in which incident light was increased, were subjected to a power generation test under the following conditions:
irradiating the photovoltaic cell panel with an artificial natural light source emitting parallel light, wherein the light intensity of the light emitted by the artificial light source is 1000W/m on a plane perpendicular to the parallel light 2 ；
The parallel light and the photovoltaic cell panel have an included angle alpha, and the parallel light is perpendicular to the long side of the photovoltaic cell panel;
the temperature of the photovoltaic panel surface was maintained at 25 ℃ during the test.
The above test was performed at α=30°, α=60°, and α=90°, respectively, and the measured generated power was as follows:
as can be seen from the above table, when α=30°, α=60°, examples 1 to 6 have a significant increase in the generated power compared with the comparative example, which indicates that the addition of the mesh layer can increase the incident amount of light when the light obliquely irradiates the photovoltaic panel, thereby increasing the generated power. When α=90°, examples 1 to 6 have a small drop in the generated power compared to the comparative example, probably because the addition of the mesh layer forms an interface of the light propagation medium between the mesh layer and the adhesive layer, which reflects a part of the light, resulting in incidence of the light.
Various embodiments of the present application may exist in a range format; it should be understood that the description in a range format is merely for convenience and brevity and should not be interpreted as a rigid limitation on the scope of the application. It is therefore to be understood that the range description has specifically disclosed all possible sub-ranges and individual values within that range. For example, it should be considered that a description of a range from 1 to 6 has specifically disclosed sub-ranges, such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as single numbers within the range, such as 1, 2, 3, 4, 5, and 6, wherever applicable. In addition, whenever a numerical range is referred to herein, it is meant to include any reference number (fractional or integer) within the indicated range.
In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used specifically to refer to the orientation of the drawing in the figures. In addition, in the description of the present application, the terms "include", "comprise", "comprising" and the like mean "including but not limited to". Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element. Relational terms such as "first" and "second", and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Herein, "and/or" describing an association relationship of an association object means that there may be three relationships, for example, a and/or B, may mean: a alone, a and B together, and B alone. For the association relation of more than three association objects described by the "and/or", it means that any one of the three association objects may exist alone or any at least two of the three association objects exist simultaneously, for example, for a, and/or B, and/or C, any one of the A, B, C items may exist alone or any two of the A, B, C items exist simultaneously or three of the three items exist simultaneously. Herein, "at least one" means one or more, and "a plurality" means two or more. "at least one", "at least one" or the like refer to any combination of these items, including any combination of single item(s) or plural items(s). For example, "at least one (individual) of a, b, or c," or "at least one (individual) of a, b, and c," may each represent: a, b, c, a-b (i.e., a and b), a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple, respectively.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The color photovoltaic component for increasing the incident light is characterized by comprising a photovoltaic cell panel and a functional layer arranged on the photovoltaic cell panel, wherein the photovoltaic cell panel comprises a cell panel frame, a back plate, photovoltaic cells and a transparent front plate which are sequentially arranged in the cell panel frame in a laminated mode, two sides of each photovoltaic cell are respectively provided with adhesive films and are respectively adhered to the back plate and the transparent front plate through the adhesive films, and a junction box electrically connected with each photovoltaic cell is arranged on the back plate; the functional layer comprises a grid layer arranged on the transparent front plate, an adhesive layer arranged on the grid layer and a color layer arranged on the adhesive layer, wherein the grid layer is formed by connecting a plurality of transparent thread-like materials, and the transparent thread-like materials are the same as the transparent front plate; the diameter of the transparent filiform material is 30-100 mu m; the transparent filamentary material comprises first filamentary material and second filamentary material, wherein the first filamentary material is arranged in parallel at equal intervals along a first direction, and the second filamentary material is arranged in parallel at equal intervals along a second direction, and a preset included angle is formed between the first direction and the second direction; the preset included angle is 120 degrees; the first filamentary material has a spacing between 50 and 100 μm; and/or the spacing between the second filar materials is 50-100 μm.
2. The color photovoltaic assembly of claim 1 wherein the color layer comprises a flexible transparent film disposed on the adhesive layer and a pigment layer disposed on the flexible transparent film.
3. The color photovoltaic assembly of claim 2 wherein the pigment layer comprises a white pigment layer disposed on the flexible transparent film and a color pigment layer disposed on the white pigment layer.
4. A building provided with the color photovoltaic module for increasing incident light according to any one of claims 1 to 3.
5. A city utility provided with a color photovoltaic assembly of any of claims 1-3 that increases incident light.
6. A personal electricity or electricity storage facility having the color photovoltaic module for increasing incident light of any one of claims 1 to 3 disposed thereon.
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| CN112993069B (en) * | 2021-02-08 | 2022-09-06 | 保定嘉盛光电科技股份有限公司 | Transparent color-developing optical film layer and preparation method and application thereof |
| CN115188846A (en) * | 2021-09-10 | 2022-10-14 | 北京劲吾新能源科技有限公司 | Packaging method of lightweight color photovoltaic module and color photovoltaic module |
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