阅读说明：本技术 一种太阳能发电瓦及其制作方法 (Solar power generation tile and manufacturing method thereof ) 是由 逯平 魏怡心 张群芳 于 2018-08-07 设计创作，主要内容包括：本发明涉及一种太阳能发电瓦及其制作方法，包括：光树脂层、第一透光硅胶层、金属板、芯片层和第二透光硅胶层；其中，所述第一透光硅胶层设置在所述透光树脂层和所述金属板之间，所述芯片层设置在所述金属板和所述第二透光硅胶层之间。本发明所涉及的一种太阳能发电瓦，该太阳能发电瓦比传统陶瓷瓦片质量轻、耐冲击，相比现有太阳能透光树脂瓦结构更简单，成本更低。(The invention relates to a solar power generation tile and a manufacturing method thereof, wherein the solar power generation tile comprises the following steps: the light resin layer, the first light-transmitting silica gel layer, the metal plate, the chip layer and the second light-transmitting silica gel layer; the first light-transmitting silica gel layer is arranged between the light-transmitting resin layer and the metal plate, and the chip layer is arranged between the metal plate and the second light-transmitting silica gel layer. Compared with the traditional ceramic tile, the solar power generation tile provided by the invention is light in weight and impact-resistant, and is simpler in structure and lower in cost compared with the existing solar light-transmitting resin tile.)

1. A solar power tile, comprising: the light-transmitting resin layer, the first light-transmitting silica gel layer, the metal plate, the chip layer and the second light-transmitting silica gel layer are arranged on the metal plate;

the first light-transmitting silica gel layer is arranged between the light-transmitting resin layer and the metal plate, and the chip layer is arranged between the metal plate and the second light-transmitting silica gel layer.

2. The solar power tile of claim 1, further comprising:

the water vapor barrier composite film is arranged on the second light-transmitting silica gel layer;

and the third light-transmitting silica gel layer is arranged on the water vapor barrier composite film.

3. The solar power tile of claim 2, further comprising:

and the self-cleaning film is arranged on the third light-transmitting silica gel layer.

4. The solar power tile as claimed in claim 1, wherein an anti-glare pattern is engraved around the surface of the light-transmitting resin layer on the side close to the first light-transmitting adhesive layer, the anti-glare pattern is provided with a self-cleaning coating, and the area not covered by the self-cleaning coating is provided with the first light-transmitting adhesive layer.

5. The solar power tile of claim 2, further comprising: the water vapor barrier composite film includes: printing opacity film and the steam barrier layer that sets up on the printing opacity film, the setting of steam barrier layer is in the printing opacity film is kept away from the one side of second printing opacity glue film.

6. The solar power tile of claim 4 wherein the self-cleaning film comprises a fluorine film;

the self-cleaning coating comprises a fluorocarbon resin substrate, an anti-aging agent and a curing agent.

7. A method for manufacturing a solar power generation tile is characterized by comprising the following steps:

laminating the plurality of layers in sequence;

laminating the laminated layers;

wherein, a plurality of layers include printing opacity resin layer, first printing opacity silica gel layer, metal sheet, chip layer and second printing opacity silica gel layer.

8. The method of making a solar power tile of claim 7, wherein the plurality of layers further comprises:

the water vapor barrier composite film is arranged on the second light-transmitting silica gel layer;

and the third light-transmitting silica gel layer is arranged on the water vapor barrier composite film.

9. The method of making a solar power tile of claim 8, wherein the plurality of layers further comprises: and the self-cleaning film is arranged on the third light-transmitting silica gel layer.

10. The method of making a solar power tile of claim 7, further comprising:

and engraving anti-dazzle patterns on the periphery of the surface of the resin layer, and coating a fluorocarbon self-cleaning coating wet film on the anti-dazzle patterns to obtain the self-cleaning coating.

11. The method of making a solar power tile of claim 7, further comprising:

depositing a chip layer on the first surface of the metal plate;

liquid silica gel, an anti-aging agent, tackifying resin, a plasticizer and a curing agent are mixed and coated on the second surface of the metal plate to form a first light-transmitting silica gel layer;

and coating the second transparent silica gel layer on the chip layer.

12. The method of making a solar power tile of claim 8, further comprising:

depositing a water vapor barrier layer on the first surface of the light-transmitting film, wherein the light-transmitting film and the water vapor barrier layer form a water vapor barrier composite film;

and preparing a third light-transmitting silica gel layer on the second surface of the light-transmitting film.

Technical Field

The invention relates to the field of solar building materials, in particular to a solar power generation tile and a manufacturing method thereof.

Background

With the proposal of the concept of building integration of photovoltaic, a new product combining photovoltaic power generation and building, namely a solar power generation tile, comes into play.

Most of the existing solar photovoltaic tiles are ceramic tiles, although the ceramic tiles are light in weight, a large number of tiles are usually required to be laid in the construction process, so that the overall weight of the ceramic tiles is still heavy, and the roof structure of a building is required to have high bearing capacity; meanwhile, the existing ceramic tile is generally crisp in texture, high in cost, more in overlapped parts and easy to leak water; in addition, it has the defects of inconvenient installation and easy weathering corrosion.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a solar power generation tile and a manufacturing method thereof, so that the solar power generation tile is lighter in weight and more impact-resistant.

One aspect of the present invention provides a solar power tile comprising:

the metal plate, the chip layer and the second light-transmitting silica gel layer;

the first light-transmitting silica gel layer is arranged between the light-transmitting resin layer and the metal plate, and the chip layer is arranged between the metal plate and the second light-transmitting silica gel layer.

Wherein, further include:

the water vapor barrier composite film is arranged on the second light-transmitting silica gel layer;

and the third light-transmitting silica gel layer is arranged on the water vapor barrier composite film.

Wherein, further include:

and the self-cleaning film is arranged on the third light-transmitting silica gel layer.

The periphery of the surface of one side, close to the first light-transmitting adhesive layer, of the light-transmitting resin layer is engraved with anti-dazzle patterns, a self-cleaning coating is arranged on the anti-dazzle patterns, and a first light-transmitting adhesive layer is arranged in an area which is not covered by the self-cleaning coating.

Wherein, further include: the water vapor barrier composite film includes: printing opacity film and the steam barrier layer that sets up on the printing opacity film, the setting of steam barrier layer is in the printing opacity film is kept away from the one side of second printing opacity glue film.

Wherein the self-cleaning film comprises a fluorine film;

the self-cleaning coating comprises a fluorocarbon resin substrate, an anti-aging agent and a curing agent.

One aspect of the present invention provides a method for manufacturing a solar power tile, comprising:

laminating the plurality of layers in sequence;

laminating the laminated layers;

wherein, a plurality of layers include printing opacity resin layer, first printing opacity silica gel layer, metal sheet, chip layer and second printing opacity silica gel layer.

Wherein the plurality of layers further comprises:

the water vapor barrier composite film is arranged on the second light-transmitting silica gel layer;

and the third light-transmitting silica gel layer is arranged on the water vapor barrier composite film.

Wherein the plurality of layers further comprises: and the self-cleaning film is arranged on the third light-transmitting silica gel layer.

Wherein, further include:

and engraving anti-dazzle patterns on the periphery of the surface of the resin layer, and coating a fluorocarbon self-cleaning coating wet film on the anti-dazzle patterns to obtain the self-cleaning coating.

Wherein, further include:

depositing a chip layer on the first surface of the metal plate;

liquid silica gel, an anti-aging agent, tackifying resin, a plasticizer and a curing agent are mixed and coated on the second surface of the metal plate to form a first light-transmitting silica gel layer;

and coating the second transparent silica gel layer on the chip layer.

Wherein, further include:

depositing a water vapor barrier layer on the first surface of the light-transmitting film, wherein the light-transmitting film and the water vapor barrier layer form a water vapor barrier composite film;

and preparing a third light-transmitting silica gel layer on the second surface of the light-transmitting film.

Compared with the traditional ceramic tile, the solar power generation tile is light in weight and impact-resistant, and compared with the existing solar light-transmitting resin tile, the solar power generation tile is simpler in structure and lower in cost.

Drawings

Preferred embodiments of the present invention will now be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a usage scenario of a solar power tile according to one embodiment of the present invention;

FIG. 2 is a schematic structural view of a solar power tile assembly according to one embodiment of the present invention;

FIG. 3 is a schematic structural view of a solar power tile according to one embodiment of the present invention; and

fig. 4 is a flow chart of a method of making a solar power tile according to one embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.

In the following detailed description, reference is made to the accompanying drawings that form a part hereof and in which is shown by way of illustration specific embodiments of the application. In the drawings, like numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail below to enable those skilled in the art to practice the teachings of the present application. It is to be understood that other embodiments may be utilized and structural, logical or electrical changes may be made to the embodiments of the present application.

Fig. 1 is a schematic view of a usage scenario of a solar power tile according to an embodiment of the present invention. FIG. 2 is a schematic structural view of a solar power tile assembly according to one embodiment of the present invention. As shown in fig. 1 and 2, the solar power tiles 102 are connected by a connector 101, and the connection manner includes a snap-fit manner and the like.

Fig. 3 is a schematic structural view of a solar power tile according to an embodiment of the present invention, as shown in fig. 3, the solar power tile includes: printing opacity resin layer 8, the first printing opacity glue film 7 of setting on printing opacity resin layer 8, the metal sheet 6 of setting on first printing opacity glue film 7, the chip layer 5 of setting on metal sheet 6, the second printing opacity glue film 4 of setting on chip layer 5.

The light transmittance of the light-transmitting resin layer 8 is more than 91%, the weather-resistant age is more than 25 years, the thickness is more than or equal to 2mm, and materials such as paint, building plastic, rubber products and the like are applied to outdoor weather tests, such as comprehensive damage caused by illumination, cold and heat, wind and rain, bacteria and the like, and the tolerance capability of the material is called weather resistance. The light-transmitting resin layer 8 includes one or more of PC (polycarbonate), PMMA (polymethyl methacrylate), FRP (fiber reinforced composite), PFA (meltable polytetrafluoroethylene). The light-transmitting adhesive layer can be a silica gel layer, the light transmittance of the light-transmitting adhesive layer is greater than 95%, the aging resistance is greater than 25 years, and the thickness is 200-300 um. The metal plate has a thickness of 0.2-0.3mm, and may be a stainless steel layer. And a colorful decorative layer can be arranged on the light-transmitting glue layer, so that the solar power generation tile is added with various colors.

Compared with the traditional ceramic tile, the solar power generation tile provided by the invention has the advantages that the front plate is made of polymer materials such as resin and the like, the metal plate and the adhesive layer are used, so that the solar power generation tile is lighter in weight, and the bending strength of the solar power generation tile is verified through experiments>40MPa tensile break strength>20MPa, and the impact strength of the simply supported beam is more than or equal to 40KJ/m²The wind pressure resistance is more than or equal to 1.6kPa, compared with the traditional solar power generation tile, the impact resistance is better, the strength is stronger, and the service life of the solar power generation tile is prolonged.

According to one embodiment of the invention, the periphery of the surface of the light-transmitting resin layer 8 close to the chip layer 5 is not covered, the uncovered part is engraved with the anti-glare patterns 9, and the anti-glare patterns 9 can be engraved into different patterns, so that the pattern types of the solar power generation tile are increased. The anti-dazzle pattern is provided with the self-cleaning coating, and the anti-dazzle pattern and the self-cleaning coating form the anti-dazzle pattern layer, wherein the self-cleaning coating is made of a fluorocarbon resin base material, an anti-aging agent and a curing agent, and the self-cleaning coating is added, so that the solar power generation tile has a better self-cleaning effect.

According to an embodiment of the present invention, as shown in fig. 3, the solar power tile further comprises: the water vapor barrier composite film 3 is arranged on the second light-transmitting silica gel layer 4, the third light-transmitting silica gel layer 2 is arranged on the water vapor barrier composite film 3, and the self-cleaning film 1 is arranged on the third light-transmitting silica gel layer 2.

Wherein, the thickness of the third light-transmitting silica gel layer 2 is 50-100 um. The water vapor barrier composite film comprises a light-transmitting film and a water vapor barrier layer deposited on the light-transmitting film, wherein the light transmittance of the light-transmitting film is more than 91%, and the water vapor transmittance is 10^-2g/m²day-10^-6g/m²day, which includes one or more of high light-transmitting films such as PET (polyethylene terephthalate), PEN (polyethylene naphthalate), and the like. The self-cleaning film comprises a fluorine film, can be high-light-transmission EFTE (ethylene tetrafluoroethylene polymer), PVDF (polyvinylidene fluoride), PVF (polyvinyl fluoride) and other films, enables the solar power generation tile to have a better self-cleaning effect, and improves the corrosion-resistant and aging-resistant effects of the solar power generation tile.

According to one embodiment of the invention, the side, close to the chip layer, of the metal plate is provided with the color film layer, and the color film layer can be added with different materials to increase the color of the solar power generation tile.

Fig. 4 is a flowchart of a method for manufacturing a solar power tile according to an embodiment of the present invention, and as shown in fig. 4, the method for manufacturing a solar power tile includes:

s201, sequentially laminating a plurality of layers, wherein the plurality of layers comprise a light-transmitting resin layer, a first light-transmitting silica gel layer, a metal plate, a chip layer and a second light-transmitting silica gel layer;

and S202, laminating the laminated layers to obtain the solar power generation tile.

According to a specific embodiment of the present invention, the process of manufacturing the solar power tile comprises the following steps:

step 1: engraving an anti-dazzle pattern layer on the periphery of the surface of the light-transmitting resin layer 8 by adopting a common laser engraving method, adding a fluorocarbon resin substrate, an anti-aging agent and a curing agent into a mixing container, stirring and mixing uniformly at a high speed of 2000 r/min, coating a fluorocarbon self-cleaning coating wet film on the surface of the pattern layer in a spraying mode, then placing the sample in a blast drying box, and drying for 1-5min at a high temperature of 80-100 ℃ to prepare an anti-dazzle self-cleaning pattern engraving layer 9;

step 2: depositing a solar chip layer 5 on the surface of a stainless steel plate 6 with the thickness of 0.2-0.3mm by adopting a co-evaporation or magnetron sputtering process;

and step 3: adding the liquid silica gel, the anti-aging agent, the tackifying resin, the plasticizer and the curing agent into a stirring kettle, uniformly stirring and mixing at a high speed of 2000 r/min, preparing a liquid silica gel wet film on the surface of the solar chip layer 5 in a spraying, blade coating, roller coating and other modes, placing the film in an oven, drying at a high temperature to obtain a second light-transmitting adhesive layer 4 with a thickness of 200-300 microns, preparing the liquid silica gel wet film on the lower surface of the stainless steel plate 6 in a spraying, blade coating, roller coating and other modes, drying to obtain a first light-transmitting adhesive layer 7 with a thickness of 200-300 microns;

and 4, step 4: depositing a high-moisture barrier layer on the lower surface of a high-light-transmission film such as PET, PEN and the like by adopting a common preparation process of a moisture barrier film such as an atomic layer deposition process, a magnetron sputtering process and the like, thereby preparing a moisture barrier composite film 3;

and 5: preparing a high-light-transmission liquid silica gel wet film on one side, which does not contain the water vapor barrier layer, of the water vapor barrier composite film 3 by adopting modes of spraying, knife coating, roller coating and the like, and drying to obtain a third light-transmission silica gel layer 2 with the thickness of 50-100 um;

step 6: and (3) sequentially laminating the self-cleaning film 1, namely the fluorine film and the composite film prepared in the steps 5, 3 and 1, putting the self-cleaning film and the composite film into a vacuum laminating machine, vacuumizing for 20min at the laminating temperature of 50-120 ℃ for 1-5min for laminating, and inflating and opening the mold after the laminating is finished to obtain the solar power generation tile.

The solar power generation tile shown in fig. 3 comprises a light-transmitting resin layer 8, a chip layer 7, a light-transmitting silica gel layer 6, a water vapor barrier composite film 5, a light-transmitting silica gel layer 4, a colored high polymer resin material 3, an anti-glare frosting layer 2 and a self-cleaning film 1 which are sequentially arranged.

It should be noted that the common solar cell packaging process generally requires an operating temperature of more than 140 ℃, the lamination time is generally 20-30min, part of the common solar cell packaging process also requires special equipment, the packaging process is complex, the process time is long, and the cost is high, but the solar power generation tile related by the invention is packaged by using high-light-transmittance liquid silica gel, the packaging temperature is 50-120 ℃, the packaging time is 1-5min, the packaging process is time-saving and simple, the process cost is reduced, the aging resistance of the product is improved by using the liquid silica gel, the light transmittance is more than 95%, and the solar power generation tile is safe and environment-friendly.

Through the processing steps, the fireproof performance of the solar power generation tile is better, and the horizontal and vertical combustion of the solar power generation tile is FH-1 and FV-0 levels. The weight of the solar tile is lighter, so that the bearing performance is more than or equal to 800N after the solar tile is used under the condition of the span of 660m and 3% of deflection. Different materials can be added into the adhesive layer or the substrate, so that the solar power generation tile is colorless and transparent, purple, pink, red, blue, yellow and the like.

The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the scope of the present invention, and therefore, all equivalent technical solutions should fall within the scope of the present invention.