CN213242566U

CN213242566U - Photovoltaic BIPV thermal-insulated cavity explosion-proof assembly

Info

Publication number: CN213242566U
Application number: CN202022502066.4U
Authority: CN
Inventors: 张翼飞; 韩金峰; 赵维维; 高含; 马晓萌
Original assignee: Baoding Jiasheng Photovoltaic Technology Co Ltd
Current assignee: Baoding Jiasheng Photovoltaic Technology Co Ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-18
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a photovoltaic BIPV thermal-insulated hollow explosion-proof assembly, which comprises ultra-white Low-iron toughened glass, toughened Low-e glass, inner side common toughened glass and outer side common toughened glass which are arranged from the front side to the back side in sequence, wherein a plurality of solar cells are arranged between the ultra-white Low-iron toughened glass and the toughened Low-e glass and are filled and encapsulated by an upper encapsulating material PVB film, and the solar cells are connected by a welding strip and a converging strip and are converged into an external BIPV photovoltaic curtain wall special explosion-proof junction box; two ends between the toughened Low-e glass and the inner side common toughened glass are sequentially sealed by a structural adhesive layer, an aluminum alloy spacing strip and a butyl sealing adhesive layer from the outer side to the inner side, and a hollow layer is formed in the middle; the inner side common toughened glass and the outer side common toughened glass are filled and packaged by a PVB film serving as a lower packaging material. The utility model discloses toughened glass is explosion-proof toughened glass and recombines the structural design of cavity layer, and thermal-insulated heat preservation and explosion-proof capability are good, still can design the construction with the building simultaneously.

Description

Photovoltaic BIPV thermal-insulated cavity explosion-proof assembly

Technical Field

The utility model relates to a photovoltaic trade solar energy power generation field, especially a thermal-insulated cavity explosion-proof assembly of BIPV.

Background

The ecological environment is an extremely important life and production element, and the position of the ecological environment is self-evident. With the continuous development of human civilization, global energy shortage, environmental pollution and other problems becoming more serious, human health and species survival will be greatly threatened, and therefore, resource conservation and ecological environment protection become global problems.

With the continuous popularization of the concepts of green, environmental protection and low-carbon development, the application of a photovoltaic module utilizing solar power generation, in particular to a solar hollow photovoltaic module, is more and more extensive. The solar hollow photovoltaic module has the advantages that the existing solar hollow photovoltaic module is used for hollowing the battery module and toughened glass or common glass, and then is sealed by the sealing strips, the heat preservation and heat insulation effects are achieved, however, the outer layer glass of the hollow photovoltaic module is formed by the photovoltaic module, the photovoltaic module can generate a large amount of heat in the heating process, the heat cannot be discharged due to the hollow layer of the hollow module, the heat accumulation can cause the gas expansion of the hollow layer, further the explosion of the hollow photovoltaic module can be caused, the hollow layer is sealed by the sealing strips, the solar hollow module is easy to age, the sealing is not tight due to long-time use, and the service life of the solar hollow module is short. Therefore, the solar hollow photovoltaic module with explosion prevention and better heat preservation and insulation effects is needed to meet the development of the building industry.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a photovoltaic BIPV thermal-insulated cavity explosion-proof component, has good thermal-insulated thermal insulation performance and explosion-proof ability, is applicable to places that require higher to safety and comfort level such as shopping mall and high-end office building.

In order to solve the technical problem, the utility model adopts the following technical proposal.

The utility model provides a photovoltaic BIPV thermal-insulated cavity explosion-proof assembly, includes the super white Low-iron toughened glass, tempering Low-e glass, the ordinary toughened glass in inboard and the ordinary toughened glass in outside that set gradually from the front side to dorsal side, its characterized in that: a plurality of solar cells are arranged between the ultra-white Low-iron tempered glass and the tempered Low-e glass, and are filled and packaged by an upper packaging material PVB film, and the solar cells are connected and converged to an explosion-proof junction box special for an external BIPV (building integrated photovoltaic) curtain wall by a welding strip and a converging strip; the middle part of the toughened Low-e glass and the inner side of the common toughened glass is respectively formed into a hollow layer by an interlayer at two ends, the interlayer comprises a structural adhesive layer and an aluminum alloy spacing bar which are sequentially arranged from the outer side to the inner side, and butyl sealing adhesive layers are respectively filled between the aluminum alloy spacing bar and the inner end faces of the toughened Low-e glass and the inner side of the common toughened glass; the inner side common toughened glass and the outer side common toughened glass are filled and packaged through a PVB film serving as a lower packaging material.

Preferably, the ultra-white Low-iron toughened glass, the toughened Low-e glass, the inner side common toughened glass and the outer side common toughened glass are explosion-proof toughened glass.

Preferably, the solar cell is a monocrystalline silicon cell, a polycrystalline silicon cell or a silicon heterojunction cell.

Preferably, the hollow layer is filled with an Ar inert gas and a drying agent for absorbing moisture.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model relates to a photovoltaic BIPV thermal-insulated cavity explosion-proof component, its thermal-insulated thermal insulation performance is good, prevent in summer that outdoor heat from getting into indoorly, prevent indoor temperature emits in the raw and emits in winter, can also continuously provide green electric power daytime, the operation noiselessness, the non-energy consumption, pollution-free has very high value for environmental protection, explosion-proof performance is good again, there is not the breakage, the hidden danger that drops, and installation convenient to use, need not to additionally install solar energy component, can design the construction with the building simultaneously.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged view of fig. 2 at a.

Wherein: 100. the solar cell module comprises ultra-white Low-iron tempered glass, 200-tempered Low-e glass, 301-inner-side common tempered glass, 302-outer-side common tempered glass, 400-hollow layers, 500-solar cells, 600-junction boxes, 701-upper packaging material PVB films, 702-lower packaging material PVB films, 800-solder strips, 900-bus strips, 401-structure adhesive layers, 402-butyl sealant layers and 403-aluminum alloy spacing strips.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a photovoltaic BIPV thermal-insulated cavity explosion-proof assembly, its structure is shown in fig. 1 to 3, including extra-white Low-iron toughened glass 100, tempering Low-e glass 200, hollow layer 400, inboard ordinary toughened glass 301, ordinary toughened glass 302 in outside, wherein be equipped with a plurality of solar wafer between extra-white Low-iron toughened glass 100 and the tempering Low-e glass 200, and fill the encapsulation through last encapsulating material PVB film, connect by solder strip, converge the special explosion-proof terminal box 600 of outside BIPV photovoltaic curtain wall that gathers between the solar wafer by the solder strip, converge, inboard ordinary toughened glass 301 and ordinary toughened glass 302 in outside fill the encapsulation through encapsulating material PVB film 702 down.

The utility model discloses super white low-iron tempered glass 100 is selected to the subassembly sensitive surface, and it sees through glass and shines the light intensity of battery piece 500 the biggest, and the transmissivity can reach more than 93%, and subassembly output is the highest.

The solar cells are in a matrix shape, and optionally, the solar cell 500 of the solar cell group is a monocrystalline silicon cell, a polycrystalline silicon cell or a silicon heterojunction cell, and preferably, the cell 500 with high photoelectric efficiency is adopted.

The upper packaging material PVB film 701 and the lower packaging material PVB film 702 are packaged, the thickness of the packaging layer can be selected from 0.38-1.52 mm, preferably 0.76 mm, the packaging layer has high transparency, the visible light transmittance is up to more than 90%, the packaging layer has good adhesion, excellent durability, ultraviolet resistance, heat insulation and sound insulation, the penetration resistance can keep complete safety performance, impact objects can be prevented from penetrating, and fragments can be firmly adhered to the PVB film even if glass is damaged, so that the integral integrity is kept.

The toughened Low-E glass 200 is a film system product formed by plating a plurality of layers of metal or other compounds on the surface of the glass. The toughened Low-E glass 200 highlights the shielding effect of glass on solar thermal radiation, the high light transmittance of the glass and the Low transmittance of the solar thermal radiation are skillfully combined together, the problem that the dual advantages of high light transmittance, Low U value and Sc value coexist is successfully solved, the heat-insulating property of window glass is greatly improved, the heat in summer cannot enter the room, the indoor temperature in winter cannot be emitted outwards, and the indoor lighting is not influenced, so that the energy-saving effect is better.

The hollow layer 400 is formed by separating a toughened Low-E glass 200 from an inner side common toughened glass 301 through a structural adhesive layer 401 and an aluminum alloy spacing bar 403, and is sealed through a butyl sealant layer 402, and the structural adhesive layer 401 and the butyl sealant layer 402 can provide a bonding system, so that gas leakage is prevented, and the water vapor permeation resistance is improved. Inert gases such as Ar and the like are filled in the hollow layer 400, and a drying agent for absorbing moisture is filled in the hollow layer, so that glass fogging is avoided, and the hollow glass can still keep smooth and transparent even at a very low temperature. The hollow layer structure improves the heat preservation and insulation performance of the hollow glass and fully prolongs the service life of the hollow glass.

The junction box 600 is a junction box special for a photovoltaic curtain wall, the protection grade reaches IP68, and the junction box has the characteristics of dust prevention, water prevention, insulation and fire prevention, and is suitable for application of building curtain walls.

The power generation principle of the photovoltaic module is a photovoltaic effect, and the visible light in the sunlight is projected to generate electron migration on the surface of the cell so as to output electric energy with certain power. The maximum power of the photovoltaic module is proportional to the intensity of transmitted visible light. The utility model discloses toughened glass is explosion-proof toughened glass, has excellent transparency, reliable impact resistance, corrosion resistance, excellent weatherability, and insulativity can prevent that steam from invading, can bear the striking of highest grade hail, and performance such as test of harshest fire-resistant rating even receive powerful external force and strike, also is the little piece of no acute angle after the breakage.

Claims

1. The utility model provides a photovoltaic BIPV thermal-insulated cavity explosion-proof assembly, includes the super white Low-iron toughened glass (100), tempering Low-e glass (200), the ordinary toughened glass in inboard (301) and the ordinary toughened glass in outside (302) that set gradually from the front side to dorsal side, its characterized in that: a plurality of solar cells (500) are arranged between the ultra-white Low-iron tempered glass (100) and the tempered Low-e glass (200), and are filled and packaged by an upper packaging material PVB film (701), and the solar cells (500) are connected and converged to an external explosion-proof junction box (600) special for the BIPV photovoltaic curtain wall through a welding strip (800) and a converging strip (900); two ends between the tempered Low-e glass (200) and the inner side common tempered glass (301) form a hollow layer (400) in the middle through an interlayer respectively, the interlayer comprises a structural adhesive layer (401) and an aluminum alloy spacing bar (403) which are sequentially arranged from the outer side to the inner side, and butyl sealing adhesive layers (402) are respectively filled between the aluminum alloy spacing bar (403) and the inner end surfaces of the tempered Low-e glass (200) and the inner side common tempered glass (301); the inner side common toughened glass (301) and the outer side common toughened glass (302) are filled and packaged through a PVB film (702) serving as a lower packaging material.

2. The photovoltaic BIPV thermal insulation hollow explosion-proof assembly as claimed in claim 1, wherein: the ultra-white Low-iron tempered glass (100), the tempered Low-e glass (200), the inner side common tempered glass (301) and the outer side common tempered glass (302) are explosion-proof tempered glass.

3. The photovoltaic BIPV thermal insulation hollow explosion-proof assembly as claimed in claim 1, wherein: the solar cell (500) is a monocrystalline silicon cell, a polycrystalline silicon cell or a silicon heterojunction cell.

4. The photovoltaic BIPV thermal insulation hollow explosion-proof assembly as claimed in claim 1, wherein: the hollow layer (400) is filled with Ar inert gas and a drying agent for absorbing moisture.