CN211017097U

CN211017097U - Novel BIPV photovoltaic module

Info

Publication number: CN211017097U
Application number: CN201922182422.6U
Authority: CN
Inventors: 余小辉; 齐鹏飞; 陈世强; 牛改宇; 胡华毅; 曹国庆
Original assignee: Zhongshan Ruike New Energy Co ltd
Current assignee: Zhongshan Ruike New Energy Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-14
Anticipated expiration: 2029-12-06

Abstract

The utility model provides a novel BIPV photovoltaic module, including superimposed preceding light-passing board in proper order, solar energy power generation layer and back light-passing board, through carrying out frosting to one face or two faces of preceding light-passing board, colored glaze, processing such as coating film obtains the diaphragm layer, utilize the diaphragm layer can absorb, reflect partial sunlight, can play the effect that reduces the room temperature summer, and then can also reduce the air conditioner energy consumption, satisfy the light energy conversion demand, and make the outward appearance of subassembly more pleasing to the eye, still can increase and encapsulate the bonding force between gluing, thereby promote the weatherability of subassembly and, in order to further promote the inseparable degree of each part of subassembly, can also form through excessive encapsulation glue T type edge bonding coverage structure, with the life of extension subassembly.

Description

Novel BIPV photovoltaic module

Technical Field

The utility model belongs to the technical field of solar energy, concretely relates to novel BIPV photovoltaic module.

Background

Building Integrated Photovoltaic (BIPV) is a new concept of applying solar power generation, namely simply installing a solar photovoltaic power generation matrix on the outer surface of an envelope structure of a building to provide electric power. BIPV photovoltaic module is by wide application in building glass curtain wall, has the efficiency of electricity generation concurrently, and to building curtain wall, it is strict to BIPV photovoltaic module's outward appearance and performance requirement, consequently, traditional BIPV module is for adopting the multilayer structure that printing opacity material made, mainly includes preceding light-passing board, solar power generation layer, encapsulation glue film and back light-passing board, and solar power generation layer passes through the encapsulation glue encapsulation and adorns between the front and back light-passing board, and the back light-passing board possesses the supporting role. In the actual working process, sunlight sequentially penetrates through the BIPV photovoltaic modules from top to bottom, the packaging adhesive is easy to oxidize under the direct irradiation of the sunlight for a long time, so that the adhesive force is reduced, the deformation and color change conditions are caused, the phenomenon that the BIPV photovoltaic modules are layered and separated is further caused, and the service life of the BIPV photovoltaic modules is greatly prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a novel BIPV photovoltaic module.

According to the utility model discloses novel BIPV photovoltaic module, including superimposed preceding light-passing board, solar energy power generation layer and back light-passing board in proper order, the up end of preceding light-passing board and/or lower terminal surface are provided with the diaphragm layer that is used for absorbing, reflection part sunlight, the upper end and the lower extreme on solar energy power generation layer all are provided with the encapsulation glue film that is used for the encapsulation.

According to the utility model discloses novel BIPV photovoltaic module has following technological effect at least:

the novel BIPV photovoltaic module provided by the utility model can absorb and reflect partial sunlight by processing one or two surfaces of the front light-passing board such as frosting, colored glaze and film coating to obtain the diaphragm layer, thereby playing a role of reducing the room temperature in summer and further reducing the energy consumption of an air conditioner; furthermore, by designing the patterns and the light transmission of the diaphragm layer, on one hand, the requirement of light energy conversion can be met, and on the other hand, the appearance of the component is more attractive; in addition, the membrane layer can increase the bonding force between the membrane layer and the packaging adhesive, so that the weather resistance of the assembly is improved, and the problems of deformation, color change and the like caused by the oxidation of the packaging adhesive are solved.

In addition, in order to further improve the tightness of each part of the assembly, the T-shaped edge bonding covering structure can be formed by overflowing the packaging adhesive, so that substances such as gas and the like are prevented from entering an oxidation element inside the assembly and damaging the assembly, and further, an explosion-proof film is adhered on the T-shaped edge bonding covering structure, so that on one hand, the sealing performance of the assembly is further improved, and on the other hand, the glass edge can be prevented from being heated and cracked under extreme weather conditions such as long-time high-temperature weather conditions.

According to some embodiments of the invention, the membrane layer is formed using a coating, frosting and/or a colored glaze.

According to the utility model discloses a some embodiments, the edge of encapsulation glue film further extends and covers the edge of preceding light-passing board, solar energy power generation layer and back light-passing board to form the edge bonding coverage structure of a T style of calligraphy.

According to some embodiments of the invention, the surface of the edge bonding overlay structure is provided with an explosion-proof membrane for improving the bonding stability and the thermal stability of the glass edge.

According to the utility model discloses a some embodiments, solar energy power generation layer includes a plurality of silicon chip basement, every all be provided with a solar energy subcell on the silicon chip basement, through setting up a plurality of solar energy subcells, ensure the light energy conversion rate.

According to the utility model discloses a some embodiments, it is a plurality of between the solar energy subcell electric connection and in the lower extreme on solar energy power generation layer forms the layer of converging wiring, and then forms the outside pin and be convenient for connecting circuit.

According to the utility model discloses a some embodiments, the diaphragm layer is provided with a plurality of particulate matters, and is a plurality of particulate matter evenly distributed in preceding non-light tight up end and terminal surface down and form coarse sensitive surface, the effect of scattering, the partial sunlight of diffusion can be played to coarse sensitive surface, further promotes the absorption and the reflectance of diaphragm layer.

According to the utility model discloses a some embodiments, the diaphragm layer is provided with a plurality of patterns, the pattern can be based on the demand that satisfies photoelectric conversion, and design according to customer's demand to be used for promoting the building aesthetic feeling.

According to some embodiments of the present invention, the solar subcell is made of monocrystalline silicon or polycrystalline silicon, thereby having excellent photoelectric conversion efficiency.

According to some embodiments of the present invention, the solar power generation layer is made of a thin film silicon solar cell, a copper indium gallium selenide solar cell, a cadmium telluride solar cell, a calcium mineral solar cell, an organic solar cell, a dye sensitized solar cell or a quantum dot solar cell.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following figures and examples:

figure 1-a first preferred embodiment of the present invention;

figure 2-a second preferred embodiment of the present invention;

reference numerals:

the solar cell module comprises a diaphragm layer 100, a front light-transmitting plate 101, a rear light-transmitting plate 102, a solar power generation layer 103, a bus wiring layer 104, a first sealant layer 201, a second sealant layer 202 and a third sealant layer 203.

Detailed Description

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

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1-2, the utility model provides a novel BIPV photovoltaic module, including superimposed preceding light-passing board 101 in proper order, solar energy power generation layer 103 and back light-passing board 102, wherein, the up end and/or the lower terminal surface of preceding light-passing board 101 form through treatment methods such as frosting, colored glaze, coating film and be used for absorbing, reflecting partial sunlight's diaphragm layer 100, on the basis that satisfies the photoelectric conversion demand, diaphragm layer 100 can absorb, reflect partial sunlight to a certain extent to can reduce room temperature and air conditioner energy consumption under the hot weather condition in summer; the upper end and the lower end of the solar power generation layer 103 are both provided with a packaging glue layer for packaging.

In particular, the above-mentioned treatments such as frosting, glaze coloring and plating are diversified, for example, only frosting, glaze coloring or plating may be performed on the upper end surface and/or the lower end surface of the front light-transmitting plate 101, or both frosting, glaze coloring and plating may be performed, and in short, a single treatment method or a combined treatment method may be used.

And according to the utility model discloses a some embodiments, the life-span of considering to be located the up end of solar power generation layer 103 and the encapsulation glue between the lower terminal surface has very big influence to whole photovoltaic module's life-span, need guarantee its stability, so can further extend it for protection, it is specific, the edge of encapsulation glue film further extends and covers preceding light-passing board 101, the edge of solar power generation layer 103 and back light-passing board 102, thereby form the edge bonding covering structure of a T style of calligraphy, thereby further improve the connection compactness between each layer of subassembly inside, avoid external substance such as air to get into the inside oxidizing element of subassembly, thereby improve the weatherability of subassembly.

In view of the structural characteristics of the above-mentioned separator layer 100, a dense connection structure can be formed by matching with the encapsulant layer, and thus the weather resistance of the module can be improved, thereby prolonging the service life of the whole novel BIPV photovoltaic module.

Further, consider installation, fixed and the service environment of subassembly, because preceding light-passing board 101 and back light-passing board 102 adopt the glass board mostly, according to the utility model discloses a further embodiment, the surface of edge bonding cover structure is provided with the rupture membrane, and the rupture membrane can further improve the seal, handles the glass edge's that temperature shock leads to the problem such as the fracture under the extreme weather condition to the life of extension subassembly.

According to some embodiments of the present invention, referring to fig. 1 and fig. 2, two structural forms of the solar power generation layer 103 are provided, one is an integral plate structure (as in fig. 1), the upper end of the solar power generation layer 103 is provided with a first sealant layer 201, the lower end of the solar power generation layer 103 is provided with a bus wiring layer 104, and the solar power generation layer is encapsulated at the lower end of the solar power generation layer 103 through a second sealant layer 202, so as to improve the sealing performance of the whole assembly; one is many base structures (as in fig. 2), the solar power generation layer 103 includes a plurality of silicon chip bases, each silicon chip base is provided with a solar sub cell, the plurality of solar sub cells are electrically connected to each other and form a bus wiring layer 104 similar to that in fig. 1 at the lower end of the solar power generation layer 103, and the whole solar power generation layer 103 is packaged between the front light-transmitting plate 101 and the rear light-transmitting plate 102 through a third sealant layer 203.

According to the structure, the whole assembly forms the pin connection circuit through the structure of the bus wiring layer 104, and the effectiveness of electrical connection is guaranteed.

Consider that the effect of the partly sunlight of scattering, diffusion can be played to coarse sensitive surface, further promote the absorption and the reflectance of diaphragm layer, according to the utility model discloses a further embodiment, diaphragm layer 100 is provided with a plurality of particulate matters, and a plurality of particulate matters evenly distributed forms coarse sensitive surface in the up end of preceding light-passing board 101 and terminal surface down.

In particular, on the basis of satisfying photoelectric conversion's demand, can design the pattern that can promote the building aesthetic feeling according to customer's demand, according to the utility model discloses a some embodiments, diaphragm layer 100 is provided with a plurality of patterns.

According to a further embodiment of the present invention, the solar subcell is made of monocrystalline silicon or polycrystalline silicon, so that the solar power generation layer 103 has excellent photoelectric conversion efficiency.

According to some embodiments of the utility model, solar power generation layer 103 can also adopt thin film silicon solar cell, copper indium gallium selenide solar cell, cadmium telluride solar cell, calcium ore solar cell, organic solar cell, dye sensitization solar cell or quantum dot solar cell to make to satisfy different manufacturing, user demand.

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

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

Claims

1. The utility model provides a novel BIPV photovoltaic module, its characterized in that, is including light-passing board (101), solar energy power generation layer (103) and back light-passing board (102) before the superpose in proper order, the up end and/or the lower terminal surface of preceding light-passing board (101) are provided with and are used for absorbing, reflecting partial sunlight's diaphragm layer (100), the upper end and the lower extreme of solar energy power generation layer (103) all are provided with the encapsulation glue film that is used for the encapsulation.

2. The novel BIPV photovoltaic module as claimed in claim 1, characterized in that the separator layer (100) is formed by coating, frosting and/or enamelling.

3. The BIPV photovoltaic module as claimed in claim 1, wherein the edges of the encapsulating adhesive further extend and cover the edges of the front transparent plate (101), the solar power generation layer (103) and the rear transparent plate (102) to form a T-shaped edge bonding covering structure.

4. The novel BIPV photovoltaic module of claim 3 in which the surface of the edge bonding cover structure is provided with an explosion proof membrane.

5. The novel BIPV photovoltaic module as claimed in claim 1, wherein the solar power generation layer (103) comprises a plurality of silicon wafer substrates, each of which is provided with a solar sub-cell.

6. The BIPV photovoltaic module as claimed in claim 5, wherein a plurality of said solar sub-cells are electrically connected to each other and a bus wiring layer (104) is formed at the lower end of said solar power generation layer (103).

7. The BIPV photovoltaic module as claimed in claim 6, wherein the membrane layer (100) is provided with a plurality of particles, and the particles are uniformly distributed on the upper end surface and the lower end surface of the front transparent plate (101) to form a rough light receiving surface.

8. The novel BIPV photovoltaic module according to any of claims 1 to 7, characterized in that the separator layer (100) is provided with several patterns.

9. The BIPV photovoltaic module as claimed in claim 6, wherein the solar subcells are made of single crystal silicon or polycrystalline silicon.

10. The novel BIPV photovoltaic module as claimed in claim 1, characterized in that the solar power generation layer (103) is made of thin film silicon solar cells, CIGS solar cells, CdTe solar cells, perovskite solar cells, organic solar cells, dye sensitized solar cells or quantum dot solar cells.