CN211523894U - A solar decorative panel applied to the facade of a building - Google Patents

Abstract

The utility model belongs to the field of solar photovoltaic cells, and discloses a solar decorative panel applied to the exterior facade of a building. The decorative panel includes an outer facade and an inner side, wherein, for the outer facade of the decorative panel, it includes a substrate, a texture layer, a photovoltaic cell layer and an encapsulation film from bottom to top, and the photovoltaic cell layer is used for absorbing sunlight and utilizing absorption For solar power generation, the texture layer pattern is set according to the needs of the building facade, and the encapsulation film is arranged on the photovoltaic power layer to protect the photovoltaic cell layer; the inner side surface of the decorative board is provided with a female button, which is adjacent to the The sub-buckles on the inner side of the decorative board are matched to form a buckle structure, which on the one hand realizes the structural connection of the adjacent decorative boards, and on the other hand ensures the series connection of the photovoltaic cell layers in the adjacent decorative boards. The utility model realizes the application of photovoltaic cells to the building facade, and solves the installation problem of circuits and decorative panels in the installation of solar panels.

Description

A solar decorative panel applied to the facade of a building

technical field

The utility model belongs to the field of solar photovoltaic cells, and more particularly relates to a solar decorative panel applied to the facade of a building.

Background technique

With the increase of energy demand, the solar photovoltaic system can not meet the demand only if it is only applied to the building roof. Except for the building roof, the building façade area is generally larger than that of the roof, so it has a lot of potential for solar energy utilization; existing photovoltaic cell materials It mainly includes monocrystalline silicon, polycrystalline silicon, CIS, CdTe, CIGS and other materials. Compared with other photovoltaic materials, CIGS materials have high photoelectric conversion efficiency, good stability, low thickness and good light transmittance, and can be made into into flexible thin-film photovoltaic cells.

Photovoltaic cells are widely used in buildings and building roofs. They are installed by fixing photovoltaic cell components on roof mounting brackets, or combining photovoltaic materials with roof tiles to form an integrated product; photovoltaic cells are applied to building facades. The installation of surface shading, the installation of vertical installation brackets, and the integration with the wall, etc., among which, the combination of the facade shading or the solar installation of photovoltaic cells through brackets has a small installation area and has a great impact on the facade shape. The integration with the building wall requires the building wall, photovoltaic cells and auxiliary equipment to be prefabricated together, which is relatively complicated in production and installation, and difficult to replace and maintain. , it is difficult to meet the diverse needs of building facades.

Utility model content

In view of the above defects or improvement needs of the prior art, the present utility model provides a solar decorative panel applied to the facade of a building. The photovoltaic cell layer is adopted, so that the façade can make full use of solar power generation, while retaining the decorative effect of the façade. In addition, the connection structure of the backside of the adjacent decorative panels is also designed, so that the adjacent decorative panels not only realize structural The connection also realizes the series connection of the power generation photovoltaic cell layers to ensure the series connection on the circuit.

In order to achieve the above purpose, according to the present utility model, a solar decorative panel applied to the facade of a building is provided, wherein the decorative panel includes an outer facade and an inner side, wherein,

For the facade of the decorative board, it includes a substrate, a texture layer, a photovoltaic cell layer and an encapsulation film from bottom to top, and the substrate is a carrier of the texture layer, the photovoltaic cell layer and the encapsulation film, and the photovoltaic cell The layer is transparent to absorb sunlight and use the absorbed sunlight to generate electricity, the texture layer is arranged under the photovoltaic cell layer, and the surface of the texture layer is provided with a pattern set according to the needs of the building facade , when sunlight passes through the photovoltaic cell layer and irradiates on the texture layer, the natural color of the photovoltaic cell layer is mixed with the color of the texture layer to realize the color tone of the decorative board, and the encapsulation thin disposed above the photovoltaic cell layer, for protecting the photovoltaic cell layer;

The inner side of the decorative board is provided with a female buckle, and the female buckle cooperates with the sub-buckles on the inner side of the adjacent decorative board to form a buckle structure. On the one hand, the buckle structure realizes the adjacent decoration. The connection on the board structure, on the other hand, ensures the series connection of the photovoltaic cell layers in the adjacent decorative boards.

Further preferably, the photovoltaic cell layer includes a back electrode, a cell layer and a positive electrode, wherein the cell layer is used to generate electricity, and the positive electrode and the back electrode are the positive electrode and the negative electrode of the cell layer, respectively.

Further preferably, the female buckle is arranged on the back of the base plate, in the shape of a boss, the boss is provided with a groove, the surface of the sub buckle is provided with a protrusion, and the protrusion is matched with the groove. realize the cooperation of the female buckle and the child buckle;

In addition, the protrusions and the grooves are both metal sheets, and one end of the metal sheet on the protrusion is connected to the back electrode/positive electrode on the outer façade of the decorative board where the protrusion is located, and the metal sheet in the groove is One end is connected to the positive electrode/back electrode in the outer façade of the decorative board where the groove is located. When the female button and the sub-button are installed together, the photovoltaic cell layers in the adjacent decorative boards are connected in series.

Further preferably, a spring is also arranged in the back of the protrusion, and when a vibration occurs, the spring is used for buffering, so as to ensure that the metal sheet in the groove and the metal sheet on the protrusion are in good contact.

Further preferably, the photovoltaic cell layer adopts a CIGS photovoltaic cell.

Further preferably, the material of the encapsulation film is an EVA film with a thickness of 0.3-0.8 mm.

Further preferably, the texture layer is made of PET film with a thickness of 0.025-0.05 mm.

In general, compared with the prior art, the following beneficial effects can be achieved through the above technical solutions conceived by the present utility model:

1. By arranging the photovoltaic cell layer on the outer facade of the building, compared with the traditional solar cell arranged on the top surface of the building, the utility model increases the absorption surface of the solar energy on the one hand, makes more full use of the solar energy, and at the same time. , the texture layer arranged behind the transparent photovoltaic cell layer also ensures the appearance requirements of the building facade;

2. In the utility model, a buckle is arranged on the back of the adjacent solar decorative panels. When installing the solar decorative panels, the connection on the structure of the decorative panels and the connection of the circuit are realized at the same time. Compared with the traditional decorative panels, it avoids the The mechanical structure connection and the circuit connection are installed separately to reduce the labor cost caused by the installation of different parts by different installers;

3. By adopting the CIGS photovoltaic cell in the utility model, on the one hand, the photovoltaic cell has good light transmittance and can fully present the pattern of the textured layer; Traditional solar panels, which can only be applied to monocrystalline silicon and polycrystalline silicon solar panels on the top of buildings, are light in weight and do not require additional support structures, making them suitable for building facades.

Description of drawings

1 is a schematic cross-sectional view of the exterior facade of a solar decorative panel constructed according to a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the inner side of the solar decorative panel constructed according to the preferred embodiment of the present invention;

3 is an enlarged view of a solar decorative panel buckle constructed according to a preferred embodiment of the present invention;

4 is a schematic diagram of a solar photovoltaic system formed after the solar decorative panel constructed according to the preferred embodiment of the present invention is installed on the exterior facade of the building.

Throughout the drawings, the same reference numbers are used to refer to the same elements or structures, wherein:

1-substrate, 2-texture layer, 3-back electrode, 4-battery layer, 5-positive electrode, 6-encapsulation film, 7-adhesive film, 8-metal sheet, 9-spring, 10-keel, 11-conductive Slider, 12-female buckle, 13-child buckle, 14-protrusion, 15-groove, 16-inverter.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as there is no conflict with each other.

A solar decorative panel applied to the facade of a building, the decorative panel includes an outer facade and an inner side, wherein,

As shown in FIG. 1 , the outer facade of the decorative board includes a substrate 1, a texture layer 2, a photovoltaic cell layer and an encapsulation film 6 from bottom to top, and the substrate 1 is the texture layer 2, the photovoltaic cell layer and the carrier of the encapsulation film 6, the photovoltaic cell layer is transparent, used to absorb sunlight and use the absorbed sunlight to generate electricity, the textured layer 2 is arranged below the photovoltaic cell layer, and the surface of the textured layer 2 is There is a pattern set according to the needs of the building facade. When sunlight passes through the photovoltaic cell layer and irradiates on the texture layer, the natural color of the photovoltaic cell layer is mixed with the color of the texture layer. To achieve the color tone of the decorative plate, the packaging film 6 is arranged above the photovoltaic cell layer to protect the photovoltaic cell layer;

As shown in Figures 2 and 3, the inner side of the decorative panel is provided with a female buckle 12, which cooperates with the sub-buttons 13 on the inner side of the adjacent decorative panel to form a buckle structure. On the one hand, the structure realizes the structural connection of the adjacent decorative panels, and on the other hand ensures the series connection of photovoltaic cell layers in the adjacent decorative panels.

Preferably, the photovoltaic cell layer includes a back electrode 3, a cell layer 4 and a positive electrode 5, wherein the cell layer 4 is used for generating electricity, and the positive electrode 5 and the back electrode 3 are the positive electrode and the negative electrode of the cell layer, respectively .

Preferably, the female buckle 12 is arranged on the back of the base plate, and is in the shape of a boss, the boss structure is provided with a groove 15, and the surface of the sub buckle 13 is provided with a protrusion 14, and the protrusion 14 is arranged with the groove 15. The groove 15 cooperates to realize the cooperation of the female buckle and the sub buckle;

In addition, the protrusions 14 and the grooves 15 are both metal sheets 8, and one end of the metal sheet on the protrusions 14 is connected to the back electrode/positive electrode on the outer facade of the decorative board where the protrusions are located, and the grooves One end of the metal sheet in 15 is connected to the positive electrode/back electrode in the outer façade of the decorative board where the groove is located. When the female button and the sub-button are installed together, the photovoltaic cell layers in the adjacent decorative boards are connected in series.

Preferably, a spring 9 is also arranged on the back of the protrusion 14. When vibration occurs, the spring is used for buffering, so as to ensure that the metal sheet in the groove is in good contact with the metal sheet on the protrusion. .

Preferably, the photovoltaic cell layer adopts a CIGS photovoltaic cell.

Preferably, the material of the encapsulation film 6 is an EVA film, which is a common component surface encapsulation material in the photovoltaic field, and has good performance in terms of adhesion, durability, and optical properties. At present, the thickness of EVA film commonly used on photovoltaic cell modules is 0.3 to 0.8 mm.

Preferably, the material of the material texture layer is a PET film, which is a commonly used backsheet packaging material for photovoltaic cells, and has good dyeing properties, suitable for making a variety of textures, and is currently commonly used in photovoltaic cell components. The thickness of the PET film is 0.025-0.05mm.

In the embodiment of the present invention, metal, ceramics and glass in traditional building facade decorative materials can be used as the substrate of the solar decorative panel, and the solar decorative panel provided by the present invention can be directly used as the decorative plate for the building facade , adding a texture layer between the photovoltaic cell layers of the substrate, using the high light transmittance of the CIGS photovoltaic cell material to display the texture of the inner layer material, and using the natural color of the battery layer and the color of the texture layer to mix to color, so that by replacing The material layer is used to form photovoltaic decorative panels of various colors and textures, so as to solve the problem of the diversification of color and texture on the opposite side of the building.

For the connection of adjacent solar decorative panels, a structure in which a buckle with a conductive function is provided on the back of the decorative panel is adopted.

As shown in FIG. 4 , when the solar decorative panel of the present invention is installed on the building facade, it only needs to adopt the installation method of conventional decorative plates, that is, dry hanging by using the keel 10, and the solar energy of the present invention is installed on the building facade. When the inverter 16 is installed, it can be connected with the inverter 16 to form a solar photovoltaic system. The solar decorative panel is connected with the conductive slides 11 on the keel. The keel adopts a conductive keel. The decorative board is connected with the inverter, so as to realize the closing of the solar photovoltaic system circuit.

Those skilled in the art can easily understand that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and replacements made within the spirit and principles of the present invention Improvements, etc., should be included within the protection scope of the present invention.

Claims (7)

1. A solar decorative panel applied to the facade of a building, wherein the decorative panel comprises an outer facade and an inner side, wherein, For the outer facade of the decorative board, it includes a substrate (1), a texture layer (2), a photovoltaic cell layer and an encapsulation film (6) from bottom to top, and the substrate (1) is the texture layer (2). ), the carrier of the photovoltaic cell layer and the encapsulation film (6), the photovoltaic cell layer is transparent and used for absorbing sunlight and using the absorbed sunlight to generate electricity, and the texture layer (2) is arranged on the photovoltaic cell layer Below the surface of the texture layer (2) is provided with a pattern set according to the needs of the building facade. When sunlight passes through the photovoltaic cell layer and irradiates on the texture layer, the The natural color is mixed with the color of the texture layer to realize the color tone of the decorative board, and the encapsulation film (6) is arranged above the photovoltaic cell layer to protect the photovoltaic cell layer; The inner side of the decorative panel is provided with a female button (12), which cooperates with the sub-buttons (13) on the inner side of the adjacent decorative panel to form a buckle structure. On the one hand, the buckle structure realizes On the other hand, the structural connection of the adjacent decorative panels ensures the series connection of the photovoltaic cell layers in the adjacent decorative panels. 2. A solar decorative panel applied to building facades according to claim 1, wherein the photovoltaic cell layer comprises a back electrode (3), a cell layer (4) and a positive electrode (5), wherein , the battery layer (4) is used for generating electricity, and the positive electrode (5) and the back electrode (3) are respectively the positive electrode and the negative electrode of the battery layer. 3. A solar decorative panel applied to building facades according to claim 2, wherein the female buckle (12) is arranged on the back of the base plate and is in the shape of a boss, and the boss is on the back of the base plate. A groove (15) is provided, a protrusion (14) is provided on the surface of the sub-button (13), and the protrusion (14) cooperates with the groove (15) to realize the cooperation between the female button and the sub-button ; In addition, the protrusions (14) and the grooves (15) are all metal sheets (8), and one end of the metal sheets on the protrusions (14) is connected to the back electrode/ The positive electrode is connected, and one end of the metal sheet in the groove (15) is connected with the positive electrode/back electrode in the outer facade of the decorative board where the groove is located. The photovoltaic cell layers in the panel are connected in series. 4. A solar decorative panel applied to building facades according to claim 3, characterized in that, a spring (9) is also arranged behind the protrusion (14), and when a vibration occurs, the The spring is used for buffering, so as to ensure that the metal sheet in the groove is in good contact with the metal sheet on the protrusion. 5 . The solar decorative panel applied to the facade of a building according to claim 1 , wherein the photovoltaic cell layer adopts a CIGS photovoltaic cell. 6 . 6 . The solar decorative panel applied to building facades according to claim 1 , wherein the packaging film ( 6 ) is made of an EVA film with a thickness of 0.3 mm to 0.8 mm. 7 . 7 . The solar decorative panel of claim 1 , wherein the texture layer is made of a PET film with a thickness of 0.025 mm to 0.05 mm. 8 .

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