CN115602747A - Photovoltaic module with partially covered pattern and application thereof - Google Patents
Photovoltaic module with partially covered pattern and application thereof Download PDFInfo
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- CN115602747A CN115602747A CN202211368851.2A CN202211368851A CN115602747A CN 115602747 A CN115602747 A CN 115602747A CN 202211368851 A CN202211368851 A CN 202211368851A CN 115602747 A CN115602747 A CN 115602747A
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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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- 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
- H01L31/0543—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 refractive type, e.g. lenses
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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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- 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
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Abstract
The photovoltaic module comprises a photovoltaic cell panel, a color layer and a refraction layer, wherein the photovoltaic cell panel comprises a cell panel frame, a back panel, a photovoltaic cell and a glass front panel which are sequentially stacked in the cell panel frame; the surface of the glass front plate comprises a pattern area and an exposed area, and the color layer is arranged on the pattern area; the joint of the exposed area and the pattern area is provided with the refraction layer, and the refraction layer is formed by light diffusant. The photovoltaic cell panel's of this application multiplicable pattern district photovoltage can alleviate the hot spot effect.
Description
Technical Field
The application relates to the field of photovoltaics, in particular to a photovoltaic module with partial covering patterns and application thereof.
Background
With the development of the photovoltaic industry, the cost of photovoltaic panels is decreasing day by day, and the combination of photovoltaic technology and urbanization is becoming more mature, photovoltaic panels begin to show a trend of large-scale application in urban construction. One important aspect of the application of photovoltaic panels in urban construction is the application to the exterior of buildings. Because photovoltaic cell board itself is mainly black or blue, when photovoltaic cell board laid the building outside, can cause the influence to the pleasing to the eye of building. In order to increase the aesthetic feeling of the photovoltaic cell panel, the photovoltaic cell panel is colored and patterned by pigment when being laid outside a building. However, the pigment reflects a part of visible light, which causes a reduction in the power generated by the photovoltaic panel.
The pattern is prepared only in partial area on the photovoltaic cell panel, so that the reduction of the generated power can be reduced; however, the pattern can block a part of visible light, so that the visible light irradiated on the photovoltaic cell panel by the area covering the pattern is reduced, and then hot spot effect is generated, the working efficiency of the photovoltaic cell panel is influenced, and even the photovoltaic cell panel is damaged.
Disclosure of Invention
The embodiment of the application provides a photovoltaic module with a pattern partially covered so as to solve the technical problem that the area covered with the pattern irradiates too little visible light on a photovoltaic cell panel.
In a first aspect, the present application provides a partially covered pattern photovoltaic module, which includes a photovoltaic panel, a color layer and a refraction layer,
the photovoltaic cell panel comprises a cell panel frame, a back panel, a photovoltaic cell and a glass front panel, wherein the back panel, the photovoltaic cell and the glass front panel are sequentially stacked in the cell panel frame;
the surface of the glass front plate comprises a pattern area and an exposed area, and the color layer is arranged on the pattern area;
the refraction layer is arranged at the joint of the exposed area and the pattern area and is formed by light diffusant.
In some embodiments of the present application, the light diffuser is a silicone light diffuser.
In some embodiments of the present application, the particle size of the diffuser particles in the silicone light diffuser is 3-5 μm.
In some embodiments of the present application, the color layer includes a white layer disposed on the glass front plate and a color layer disposed on the white layer.
In some embodiments of the present application, the material of the white layer is a UV light curable ink; and/or the presence of a gas in the atmosphere,
the color layer is made of UV (ultraviolet) light curing printing ink.
In some embodiments of the present application, the white layer has a thickness of 10-20 μm; and/or the presence of a gas in the atmosphere,
the thickness of the color layer is 10-20 μm.
In some embodiments of the present application, the refractive layer has a thickness of 5 to 10 μm.
In a second aspect, embodiments of the present application provide a building, on which the color photovoltaic module for improving light transmittance described in any one of the first aspect is disposed.
In a third aspect, an embodiment of the present application provides an urban public facility, where the urban public facility is provided with the color photovoltaic module that improves light transmittance according to any of the embodiments of the first aspect.
In a fourth aspect, embodiments of the present application provide an individual electricity utilization or storage facility, on which the color photovoltaic module for improving light transmittance is disposed.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the photovoltaic module of partial cover pattern that this application embodiment provided, through expose the district with the department of meeting in pattern district sets up the refraction layer, the refraction layer is formed by light diffusant for visible light makes the direction of propagation can change through the refraction layer, has some visible light ability to shine the part that is covered by the pattern district, has increased the photovoltaic of the photovoltaic cell board in pattern district, has reduced photovoltaic cell board's internal current, can alleviate hot spot effect.
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 used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a photovoltaic cell panel provided in an embodiment of the present application;
FIG. 2 is a schematic view showing the structure of the surface of a glass front plate in example 1 of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Unless otherwise specifically noted, terms used herein are to be understood as meaning as commonly used in the art. Accordingly, 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. If there is a conflict, the present specification will control.
Unless otherwise specifically indicated, various raw materials, reagents, instruments, equipment and the like used in the present application are either commercially available or can be prepared by existing methods.
In the existing photovoltaic cell panel, if a part of the area is covered with the pattern, the visible light irradiated on the photovoltaic cell panel by the area covered with the pattern is reduced, and then the hot spot effect is easily generated.
In order to solve the technical problems, the general idea of the technical scheme provided by the embodiment of the application is as follows:
in a first aspect, the present application provides a partially covered pattern photovoltaic module, which includes a photovoltaic panel, a color layer and a refraction layer,
referring to fig. 1, the photovoltaic cell panel includes a cell panel frame 1, a back panel 2, a photovoltaic cell 3, and a glass front panel 4, which are sequentially stacked in the cell panel frame 1, adhesive films 5 are disposed on both sides of the photovoltaic cell 3 and are respectively bonded to the back panel 2 and the glass front panel 4 through the adhesive films 5, and a junction box electrically connected to the photovoltaic cell 3 is disposed on the back panel 2;
the surface of the glass front plate 4 comprises a pattern area and an exposed area, and the color layer is arranged on the pattern area;
the joint of the exposed area and the pattern area is provided with the refraction layer, and the refraction layer is formed by light diffusant.
The panel frame is used to hold other plate-like members of the photovoltaic panel, including a back plate, photovoltaic cells, and a transparent front plate, as will be appreciated by those skilled in the art. The material of the cell plate frame can adopt the conventional material in the field, such as a high molecular material and a metal material.
It will be understood by those skilled in the art that the backsheet is a product commercialized in the art. The back sheet is mainly used for protecting the photovoltaic cell and providing support for the photovoltaic cell.
It will be understood by those skilled in the art that the transparent front plate is a product commercialized in the art, and the transparent front plate commonly used in the art is made of ultra-white glass. The transparent front plate can also be made of transparent polymers.
As will be appreciated by those skilled in the art, the adhesive film serves primarily as an adhesive for adhering the back sheet and the transparent front sheet to the photovoltaic cell. The adhesive film is a commercial product in the field, and the adhesive film commonly used in the field is made of an EVA (ethylene-vinyl acetate copolymer) material.
As will be appreciated by those skilled in the art, the junction box is used to output the photocurrent generated by the photovoltaic cell.
As will be understood by those skilled in the art, the hot spot effect refers to: under certain conditions, part of the cells in the photovoltaic system are shielded by other surrounding objects, so that local shadow is caused, and the shielded part generates heat. The conditions here may be, for example, the shade of the leaves, bird droppings, and dark color patches described in this application. The specific principle is that the light voltage of a part which is less illuminated is low, the light voltage of a part which is more illuminated is high, and the current flows from the part with high light voltage to the part with low light voltage, so that the electric heating is caused.
This application is through expose the district with the department of meeting in pattern district sets up the refraction layer, the refraction layer is formed by light diffusant for visible light makes direction of propagation can change through the refraction layer, has some visible light energy to shine by the part that the pattern district was covered, has increased the photovoltaic of the photovoltaic cell board in pattern district, has reduced photovoltaic cell board's internal current, can alleviate hot spot effect.
In some embodiments of the present application, the light diffuser is a silicone light diffuser.
As will be understood by those skilled in the art, the organosilicon photodiffusion agent is a polymer transparent microsphere which is connected by silicon-oxygen bonds and has a three-dimensional structure, is easy to form a film, and is resistant to oxidation and ultraviolet rays. The light can deflect in the propagation direction when passing through the transparent microspheres, and the refraction layer formed by the transparent microspheres can deflect the light in the light beam in multiple directions, so that the irradiation area of the light beam is increased after passing through the refraction layer, and the light beam can irradiate a place which cannot be irradiated along an original linear light path.
In some embodiments of the present application, the particle size of the diffuser particles in the silicone light diffuser is 3-5 μm.
It will be appreciated by those skilled in the art that the particle size of the diffuser is sufficiently small that the film formation will be relatively uniform. However, if the particle size of the diffusing agent is too small, the arrangement becomes too dense, the optical properties become closer to those of a continuous film, and the diffusing ability is impaired. The particle size distribution of the dispersing agent is narrow, the change of the light path is simple, and multiple refraction, reflection and light energy loss caused by uneven particle size distribution can be avoided.
In some embodiments of the present application, the color layer includes a white layer disposed on the glass front plate and a color layer disposed on the white layer.
As will be understood by those skilled in the art, the photovoltaic cell panel is mainly black or blue, and in order to make the colored pattern more obvious, a white layer is arranged on the photovoltaic cell panel in advance, and then the white layer is patterned with colored pigments, so that the pattern has a white background and is more obvious in color development.
In some embodiments of the present application, the material of the white layer is a UV light curable ink; and/or the presence of a gas in the gas,
the color layer is made of UV light curing printing ink.
As will be understood by those skilled in the art, UV light curable ink refers to ink that is formed into a film and dried by polymerizing monomers in an ink vehicle into polymers under UV radiation at various wavelengths and energies. The UV light-cured ink has the characteristics of strong adhesion, smooth surface, quick curing and film forming, simple use and the like. The UV light-curable ink can be printed by UV printing, screen printing or the like to form a white layer or a colored layer.
In some embodiments of the present application, the white layer has a thickness of 10-20 μm; and/or the presence of a gas in the gas,
the thickness of the color layer is 10-20 μm.
As will be appreciated by those skilled in the art, the white layer blocks a portion of visible light and affects the operating efficiency of the photovoltaic cell panel, and therefore the white layer is not too thick. The white layer is used as a background layer of the color layer, and if the thickness is too thin, the background color is not strong enough.
As will be appreciated by those skilled in the art, the color layer will block a portion of the visible light and affect the operating efficiency of the photovoltaic panel, and therefore the color layer should not be too thick. If the color layer is too thin, the color development is not noticeable.
In some embodiments of the present application, the refractive layer has a thickness of 5 to 10 μm.
It will be appreciated by those skilled in the art that the refractive layer itself will lose some of the light and therefore should not be too thick. If the refractive layer is too thin, the effect of diffusing light is not significant, and the hot spot effect is not sufficiently suppressed significantly.
In a second aspect, embodiments of the present application provide a building on which the photovoltaic module of the partial coverage pattern of any one of the embodiments of the first aspect is disposed. The building may be any form of building including, but not limited to, a building, a bridge, a greening facility, a factory building, and the like. The building is realized based on the embodiment of the first aspect, and the specific implementation of the building may refer to the embodiment of the first aspect, and because the building adopts part or all of the technical solutions of the above embodiments, the building at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated here.
In a third aspect, an embodiment of the present application provides an urban public facility, where the photovoltaic module of the partial coverage pattern described in any 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 stops, street lights, and the like. The urban public facility is realized based on the embodiment of the first aspect, and the specific implementation of the urban public facility may refer to the embodiment of the first aspect, and because the urban public facility adopts part or all of the technical solutions of the above embodiment, the urban public facility at least has all the beneficial effects brought by the technical solutions of the above embodiment, and details are not repeated here.
In a fourth aspect, embodiments of the present application provide a personal electricity or electricity storage facility, on which the photovoltaic module of the partial coverage pattern described in any of the embodiments of the first aspect is disposed. The personal electricity or electricity storage facility may be any facility capable of storing or using electricity in any form, including but not limited to a charger, a battery, an electric or hybrid vehicle, a drone, a cell phone, a computer, etc. The personal electricity utilization or storage facility is implemented based on the embodiment of the first aspect, and the specific implementation of the personal electricity utilization or storage facility may refer to the embodiment of the first aspect.
The present application is further illustrated with reference to specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present application. The experimental methods of the following examples, which are not specified under specific conditions, are generally determined according to national standards. If there is no corresponding national standard, it is carried out according to the universal international standard, the conventional conditions, or the conditions recommended by the manufacturer.
Example 1
The present embodiment provides a photovoltaic module with a partially covered pattern, including:
the photovoltaic cell panel is 120cm in length and 60cm in width, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 type photovoltaic cell panel produced by Longyan energy technology (Hangzhou) Limited company; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA (ethylene vinyl acetate) adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a laminated mode are embedded in the aluminum alloy frame;
referring to fig. 2, the surface of the ultra-white glass front plate includes a pattern area 11 and an exposed area 12, wherein the pattern area 11 and the exposed area 12 are both square with a shape of 10cm × 10cm, the pattern area 11 and the exposed area 12 are arranged alternately on the ultra-white glass front plate, and each part adjacent to the pattern area 11 is an exposed area 12;
a white UV curing ink layer with the thickness of 15 mu m is arranged on the pattern area 11, and a yellow UV curing ink layer with the thickness of 15 mu m is arranged on the white UV curing ink layer;
a refraction layer 13 is arranged at the joint of the exposed area 12 and the pattern area 11, the width of the refraction layer 13 is 3cm, and the thickness is 5 μm;
the refraction layer 13 is formed by organic silicon light diffusion agent, and the particle diameter of the diffusion agent particles is 3-5 μm. The organic silicon light diffusant is a PC light diffusant produced by Shenzhen and color-pleasing plastic pigment auxiliary agents Limited.
Example 2
This example differs from example 1 only in that:
the thickness of the refraction layer is 6 μm, which is specifically as follows:
the present embodiment provides a photovoltaic module with a partially covered pattern, including:
the photovoltaic cell panel is 120cm in length and 60cm in width, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 type photovoltaic cell panel produced by Longyan energy technology (Hangzhou) Limited company; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA (ethylene vinyl acetate) adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a laminated mode are embedded in the aluminum alloy frame;
the surface of the ultra-white glass front plate comprises a pattern area and an exposed area, wherein the pattern area and the exposed area are both square with the shape of 10cm multiplied by 10cm, the pattern area and the exposed area are arranged on the ultra-white glass front plate at intervals, and each part adjacent to the pattern area is the exposed area;
a white UV curing ink layer with the thickness of 15 mu m is arranged in the pattern area, and a yellow UV curing ink layer with the thickness of 15 mu m is arranged on the white UV curing ink layer;
a refraction layer is arranged at the joint of the exposed area and the pattern area, the width of the refraction layer is 3cm, and the thickness of the refraction layer is 6 mu m;
the refraction layer is formed by organic silicon light diffusant, and the particle size of the diffusant particles is 3-5 μm. The organic silicon light diffusant is a PC light diffusant produced by Shenzhen and color-pleasing plastic pigment auxiliary agents Limited.
Example 3
This example differs from example 1 only in that:
the thickness of the refraction layer is 7 μm, which is specifically as follows:
the present embodiment provides a photovoltaic module with a partially covered pattern, including:
the photovoltaic cell panel is 120cm in length and 60cm in width, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 type photovoltaic cell panel produced by Longyan energy technology (Hangzhou) Limited company; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA (ethylene vinyl acetate) adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a laminated mode are embedded in the aluminum alloy frame;
the surface of the ultra-white glass front plate comprises a pattern area and an exposed area, wherein the pattern area and the exposed area are both square with the shape of 10cm multiplied by 10cm, the pattern area and the exposed area are arranged on the ultra-white glass front plate at intervals, and each part adjacent to the pattern area is the exposed area;
a white UV curing printing ink layer with the thickness of 15 mu m is arranged in the pattern area, and a yellow UV curing printing ink layer with the thickness of 15 mu m is arranged on the white UV curing printing ink layer;
a refraction layer is arranged at the joint of the exposed area and the pattern area, the width of the refraction layer is 3cm, and the thickness of the refraction layer is 7 mu m;
the refraction layer is formed by organic silicon light diffusant, and the grain diameter of diffusant grains is 3-5 μm. The organic silicon light diffusant is a PC light diffusant produced by Shenzhen and color-pleasing plastic pigment auxiliary agents Limited.
Example 4
This example differs from example 1 only in that:
the thickness of the refraction layer is 9 μm, which is as follows:
the present embodiment provides a photovoltaic module with a partially covered pattern, including:
the photovoltaic cell panel is 120cm in length and 60cm in width, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 type photovoltaic cell panel produced by Longyan energy technology (Hangzhou) Limited company; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA (ethylene vinyl acetate) adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a laminated manner are embedded in the aluminum alloy frame;
the surface of the ultra-white glass front plate comprises a pattern area and an exposed area, wherein the pattern area and the exposed area are both square with the shape of 10cm multiplied by 10cm, the pattern area and the exposed area are arranged on the ultra-white glass front plate at intervals, and each part adjacent to the pattern area is the exposed area;
a white UV curing printing ink layer with the thickness of 15 mu m is arranged in the pattern area, and a yellow UV curing printing ink layer with the thickness of 15 mu m is arranged on the white UV curing printing ink layer;
a refraction layer is arranged at the joint of the exposed area and the pattern area, the width of the refraction layer is 3cm, and the thickness of the refraction layer is 9 micrometers;
the refraction layer is formed by organic silicon light diffusant, and the particle size of the diffusant particles is 3-5 μm. The organic silicon light diffusant is a PC light diffusant produced by Shenzhen and color-pleasing plastic pigment auxiliary agents Limited.
Example 5
This example differs from example 1 only in that:
the thickness of the refraction layer is 10 μm, which is specifically as follows:
the present embodiment provides a photovoltaic module with a partially covered pattern, including:
the photovoltaic cell panel is 120cm in length and 60cm in width, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 type photovoltaic cell panel produced by Longyan energy technology (Hangzhou) Limited company; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA (ethylene vinyl acetate) adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a laminated mode are embedded in the aluminum alloy frame;
the surface of the ultra-white glass front plate comprises a pattern area and an exposed area, wherein the pattern area and the exposed area are both square with the shape of 10cm multiplied by 10cm, the pattern area and the exposed area are arranged on the ultra-white glass front plate at intervals, and each part adjacent to the pattern area is the exposed area;
a white UV curing printing ink layer with the thickness of 15 mu m is arranged in the pattern area, and a yellow UV curing printing ink layer with the thickness of 15 mu m is arranged on the white UV curing printing ink layer;
a refraction layer is arranged at the joint of the exposed area and the pattern area, the width of the refraction layer is 3cm, and the thickness of the refraction layer is 10 mu m;
the refraction layer is formed by organic silicon light diffusant, and the particle size of the diffusant particles is 3-5 μm. The organic silicon light diffusant is a PC light diffusant produced by Shenzhen and color-pleasing plastic pigment auxiliary agents Limited.
Comparative example
The comparative example only differs from example 1 in that:
the ultra-white glass front plate is not provided with a refraction layer, and the refraction layer is specifically as follows:
this comparative example provides a photovoltaic module with a partially covered pattern, comprising:
the photovoltaic cell panel is 120cm in length and 60cm in width, wherein the photovoltaic cell panel is an ASP-IAL-T0-66 type photovoltaic cell panel produced by Longyan energy technology (Hangzhou) Limited company; the photovoltaic cell panel comprises an aluminum alloy frame, wherein a back plate, an EVA (ethylene vinyl acetate) adhesive film, a photovoltaic cell, an EVA adhesive film and an ultra-white glass front plate which are arranged in a laminated mode are embedded in the aluminum alloy frame;
the surface of the ultra-white glass front plate comprises a pattern area and an exposed area, wherein the pattern area and the exposed area are both square with the shape of 10cm multiplied by 10cm, the pattern area and the exposed area are arranged on the ultra-white glass front plate at intervals, and each part adjacent to the pattern area is the exposed area;
the pattern area is provided with a white UV curing ink layer with the thickness of 15 mu m, and a yellow UV curing ink layer with the thickness of 15 mu m is arranged on the white UV curing ink layer.
Relevant experimental and effect data:
the photovoltaic modules with fluorescence in the embodiments 1 to 5 and the comparative example are subjected to hot spot effect detection, specifically, the temperature of the central point of the exposed area and the central point of the pattern area is detected by a temperature measuring gun, an average value is calculated, and then the temperature difference between the temperature of the central point of the exposed area and the temperature of the central point of the pattern area is calculated.
The test results are as follows:
the temperature difference in the upper table refers to the temperature difference between the temperature of the central point of the bare area and the temperature of the central point of the pattern area.
As can be seen from the above table, in examples 1 to 5, the temperature difference between the temperature of the central point of the bare area and the temperature of the central point of the pattern area is significantly lower than that of the comparative example, which indicates that examples 1 to 5 reduce the hot spot effect by providing the refraction layer to make the light distribution more uniform.
Various embodiments of the application may exist in a range; it should be understood that the description in range format is merely for convenience and brevity and should not be construed as an inflexible limitation on the scope of the application; accordingly, the described range descriptions should be considered to have specifically disclosed all the possible sub-ranges as well as individual numerical values within that range. For example, it is contemplated that the 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 individual numbers within the stated range, such as 1, 2, 3, 4, 5, and 6, for example, as applicable regardless of the range. In addition, whenever a numerical range is indicated herein, it is meant to include any number (fractional or integer) recited within the range so indicated.
In the present application, unless otherwise specified, the use of directional words such as "upper" and "lower" specifically refer to the orientation of the figures in the drawings. In addition, in the description of the present specification, the terms "include", "includes" and the like mean "including but not limited to". Also, 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 phrases "comprising 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element. In this document, 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" describes an association relationship of associated objects, meaning that there may be three relationships, e.g., a and/or B, may mean: a is present alone, A and B are present simultaneously, and B is present alone. For the association relationship of more than three associated objects described by "and/or", it means that any one of the three associated objects may exist alone, or any at least two of them may exist simultaneously, for example, for a, and/or B, and/or C, it may mean that any one of a, B, and C exists alone, or any two of them exist simultaneously, or three of them exist simultaneously. As used herein, "at least one" means one or more, and "a plurality" means two or more. "at least one," "at least one of the following," or similar expressions, refer to any combination of these items, including any combination of the singular or plural items. For example, "at least one (a), b, or c", or "at least one (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, and c may be single or plural, respectively.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present 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 (10)
1. A photovoltaic component with partially covered patterns is characterized in that the photovoltaic component with the partially covered patterns comprises a photovoltaic cell panel, a color layer and a refraction layer,
the photovoltaic cell panel comprises a cell panel frame, a back panel, a photovoltaic cell and a glass front panel, wherein the back panel, the photovoltaic cell and the glass front panel are sequentially stacked in the cell panel frame;
the surface of the glass front plate comprises a pattern area and an exposed area, and the color layer is arranged on the pattern area;
the joint of the exposed area and the pattern area is provided with the refraction layer, and the refraction layer is formed by light diffusant.
2. The partially covered pattern photovoltaic module according to claim 1, wherein the light diffuser is a silicone light diffuser.
3. The partially covered pattern photovoltaic module according to claim 2, wherein the particle size of the diffuser particles in the silicone light diffuser is 3-5 μm.
4. A partially patterned photovoltaic module according to claim 1, wherein the color layer comprises a white layer disposed on the glass front sheet and a color layer disposed on the white layer.
5. Partially patterned photovoltaic module according to claim 4,
the white layer is made of UV (ultraviolet) photocuring ink; and/or the presence of a gas in the gas,
the color layer is made of UV light curing printing ink.
6. Partially patterned photovoltaic module according to claim 4,
the thickness of the white layer is 10-20 μm; and/or the presence of a gas in the gas,
the thickness of the color layer is 10-20 μm.
7. A partially patterned photovoltaic module according to claim 1, characterized in that the thickness of the refractive layer is 5-10 μm.
8. A building provided with the colored photovoltaic module with improved light transmission according to any one of claims 1 to 7.
9. An urban public facility, characterized in that the urban public facility is provided with the colored photovoltaic module for improving light transmittance according to any one of claims 1 to 7.
10. An electric personal utilization or storage facility, characterized in that the electric personal utilization or storage facility is provided with the colored photovoltaic module for improving light transmittance according to any one of claims 1 to 7.
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