Colorful photovoltaic building integrated assembly

Abstract

The utility model discloses a colorful building integrated photovoltaic assembly, which comprises an assembly body, the assembly body comprises an upper glass plate, a photovoltaic cell panel and a lower glass plate which are sequentially arranged from top to bottom, and the upper surface of the upper glass plate is a matte diffuse reflection surface provided with anti-dazzle textures and is covered with a nano optical film; through holes are formed in the four corners of the assembly body respectively, and rubber protection pieces of an integrally-formed structure are arranged in the through holes in a penetrating mode. The rubber protection piece comprises a rubber ring which is arranged in the through hole and used for penetrating through a bolt so that the assembly body can be fixed to a supporting piece on the outer side of the building wall through the bolt, and the two ends of the rubber ring are provided with annular rubber turned-over edges which make contact with the outer side of the assembly body and are used for making the assembly body make soft contact with the supporting piece and a bolt cap of the bolt respectively. According to the color BIPV assembly, the assembly body can be effectively fixed and prevented from falling off, the assembly body is prevented from being damaged, and the requirement of the existing building industry for the color BIPV assembly can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic modules, and particularly relates to a colorful building integrated photovoltaic module. Background Art

[0002] Solar energy is a renewable and clean energy source that is not restricted by regions. In recent years, with the development of photovoltaic technology, the cost of photovoltaic power generation has decreased rapidly, and photovoltaic power generation technology has been used in a wider range. The combination of photovoltaic and architecture has also become one of the fields of photovoltaic applications. Colorful building integrated photovoltaic (BIPV) helps to achieve the integration of photovoltaic modules and colorful building environments, conforms to the future development trend of prefabrication, green and low-carbon in the construction industry, and has a broad prospect for promotion.

[0003] In the past two years, European and American companies have successively launched colorful BIPV products. After investigation, the existing colorful BIPV products have limited color selection, and have technical defects such as low light transmittance and high light absorption by pigments. Although the laboratory colorful BIPV products have high power generation efficiency, they cannot be mass-produced and have a single color, and none of them can meet the requirements of the existing construction industry for colorful BIPV modules. At the same time, the existing colorful BIPV products are applied to photovoltaic curtain walls, and most of them adopt back-mounted installation, which has the risk of falling off. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a colorful building integrated photovoltaic module to solve the problems raised in the background art.

[0005] To solve the above technical problems, the technical solutions adopted by the utility model are as follows.

[0006] A colorful building integrated photovoltaic module includes a module body, which includes an upper glass plate, a photovoltaic panel, and a lower glass plate arranged in sequence from top to bottom. Among them, the upper surface of the upper glass plate is a matte diffuse reflection surface with an anti-glare texture and is covered with a nano-optical film for realizing the color of the module body; through holes are respectively opened at the four corners of the module body, and a rubber protection member with an integrally formed structure is penetrated in the through holes; the rubber protection member includes a rubber ring arranged in the through hole for passing through bolts to fix the module body to the outer support of the building wall through bolts, and annular rubber flanges are respectively arranged at both ends of the rubber ring and are in contact with the outside of the module body for realizing the soft contact between the module body and the support and the bolt head.

[0007] Preferably, the nano-optical film is a one-dimensional photonic crystal optical film with a thickness of 10-50 microns composed of inorganic material stacks.

[0008] Preferably, the rubber protection member further includes a rubber cap that is connected to an annular rubber flange close to the nano-optical film and is used to cover the bolt head.

[0009] Preferably, an upper PVB encapsulation layer for bonding the upper glass plate and the photovoltaic panel is provided between the upper glass plate and the photovoltaic panel.

[0010] Preferably, a lower PVB encapsulation layer for bonding the photovoltaic panel and the lower glass plate is provided between the photovoltaic panel and the lower glass plate.

[0011] Due to the adoption of the above technical solutions, the technical progress achieved by the present utility model is as follows.

[0012] Through the through hole opened on the component body and the rubber protection member inserted through the through hole, the present utility model can not only effectively fix the component body and prevent the component body from falling off, but also protect the component body and avoid damage to the component body by the bolt; through the matte diffused reflection surface provided on the upper glass plate, not only can diffuse reflection be formed to better avoid light pollution, but also it is beneficial to improve the power generation efficiency of the component body; through the nano-optical film provided on the matte diffused reflection surface, it can not only meet the requirements of the existing construction industry for colored BIPV components, but also be simple to prepare and low in cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view of the present utility model;

[0014] Figure 2 is the side view of the present utility model;

[0015] Figure 3 is the cross-sectional view of the component body of the present utility model.

[0016] Wherein: 1. Photovoltaic panel, 2. Upper PVB encapsulation layer, 3. Upper glass plate, 31. Matte diffused reflection surface, 4. Nano-optical film, 5. Lower PVB encapsulation layer, 6. Lower glass plate, 7. Rubber ring, 8. Annular rubber flange, 9. Rubber cap. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0018] A colorful photovoltaic building integrated component, as shown in combination with Figures 1 to 3 , includes a component body and a rubber protection member. Among them, the component body is a colored BIPV product and is used as a photovoltaic curtain wall; the rubber protection member is arranged on the component body, and the rubber protection member is used to protect the component body during the installation of the component body.

[0019] The component body includes an upper glass plate 3, a photovoltaic cell panel 1, and a lower glass plate 6 arranged in sequence from top to bottom. Among them, an upper PVB encapsulation layer 2 is arranged between the upper glass plate 3 and the photovoltaic cell panel 1, and the upper PVB encapsulation layer 2 is used to bond the upper glass plate 3 and the photovoltaic cell panel 1; a lower PVB encapsulation layer 5 is arranged between the photovoltaic cell panel 1 and the lower glass plate 6, and the lower PVB encapsulation layer 5 is used to bond the photovoltaic cell panel 1 and the lower glass plate 6. The upper glass plate 3, the photovoltaic cell panel 1, and the lower glass plate 6 are bonded by the upper PVB encapsulation layer 2 and the lower PVB encapsulation layer 5 made of PVB material, which not only has strong interfacial bonding ability but also has no water vapor penetration.

[0020] The upper surface of the upper glass plate 3 is a matte diffuse reflection surface 31 with an anti-glare texture. It can not only form diffuse reflection, change the flat effect of the traditional glass curtain wall, make the visible light reflectivity far lower than the curtain wall standard, better avoid light pollution compared with the ordinary glass curtain wall, have better decorative effect and surface flatness, but also be beneficial to improving the power generation efficiency of the component body.

[0021] A nano-optical film 4 is covered on the matte diffuse reflection surface 31. The nano-optical film 4 is a one-dimensional photonic crystal optical film, which is composed of inorganic material stacks and has a thickness of 10 - 50 microns. The nano-optical film 4 can make the light in a certain wavelength range of the reflected visible light be perceived by the human eye, thereby forming a structural color, making the component body present colors, meeting the current requirements of the construction industry for colored BIPV components. At the same time, it is simple to prepare and has low cost.

[0022] Through holes are respectively arranged at the four corners of the component body, and rubber protection parts are inserted into the through holes. The rubber protection parts are integrally formed structures, including rubber rings 7, annular rubber flanges 8, and rubber socket caps 9. Among them, the rubber rings 7 are arranged in the through holes; there are two annular rubber flanges 8, which are respectively arranged at both ends of the rubber ring 7 and are in contact with the outside of the component body; the rubber socket cap 9 is connected to the annular rubber flange 8 close to the nano-optical film 4. When installing the component body, bolts are passed through the rubber rings 7 and connected to the support parts fixed on the outer side of the building wall, so that the component body is fixed on the outer side of the building wall through bolts and support parts. This can not only effectively fix the component body and prevent the component body from falling off, but also due to the protection of the rubber rings 7 and the annular rubber flanges 8, the component body is in soft contact with the bolts, support parts, and bolt caps, and will not cause damage to the component body. At the same time, after the bolts are tightened in place, the bolt caps can be covered by the rubber socket caps 9 to avoid bolt reflection and reduce bolt corrosion due to rain.

[0023] When the utility model is in use, through the through holes formed in the component body and the rubber protection parts inserted into the through holes, not only can the component body be effectively fixed to prevent the component body from falling off, but also the component body can be protected to avoid damage to the component body by bolts; through the matte diffuse reflection surface 31 provided on the upper glass plate 3, not only can diffuse reflection be formed to better avoid light pollution, but also it is beneficial to improve the power generation efficiency of the component body; through the nano-optical film 4 provided on the matte diffuse reflection surface 31, not only can the requirements of the existing construction industry for colored BIPV components be met, but also the preparation is simple and the cost is low.

Claims

1. The colorful photovoltaic building integrated component comprises a component body, and the component body comprises an upper glass plate (3), a photovoltaic cell panel (1) and a lower glass plate (6) which are sequentially arranged from top to bottom, and is characterized in that: The upper surface of the upper glass plate (3) is a matte diffused reflection surface (31) provided with an anti-glare texture and is covered with a nano-optical film (4) for realizing the color presentation of the component body; through holes are respectively formed at the four corners of the component body, and a rubber protection member with an integrally formed structure is inserted into the through holes; the rubber protection member includes a rubber ring (7) disposed in the through hole for passing through a bolt to fix the component body to the outer support member of the building wall through the bolt, and annular rubber flanges (8) in contact with the outer side of the component body are respectively disposed at both ends of the rubber ring (7) for realizing the soft contact between the component body and the support member and the bolt head.

2. The colorful photovoltaic building integrated component according to claim 1, characterized in that: The nano-optical film (4) is a one-dimensional photonic crystal optical film with a thickness of 10 - 50 microns composed of stacked inorganic materials.

3. The colorful photovoltaic building integrated component according to claim 1, characterized in that: The rubber protection member further includes a rubber cap (9) connected to the annular rubber flange (8) disposed close to the nano-optical film (4) for covering the bolt head.

4. The colorful photovoltaic building integrated component according to claim 1, characterized in that: An upper PVB encapsulation layer (2) for bonding the upper glass plate (3) and the photovoltaic panel (1) is disposed between the upper glass plate (3) and the photovoltaic panel (1).

5. The colorful photovoltaic building integrated component according to claim 1, characterized in that: A lower PVB encapsulation layer (5) for bonding the photovoltaic panel (1) and the lower glass plate (6) is disposed between the photovoltaic panel (1) and the lower glass plate (6).

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