CN216517596U - Solar photovoltaic hollow glass - Google Patents
Solar photovoltaic hollow glass Download PDFInfo
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- CN216517596U CN216517596U CN202121988639.7U CN202121988639U CN216517596U CN 216517596 U CN216517596 U CN 216517596U CN 202121988639 U CN202121988639 U CN 202121988639U CN 216517596 U CN216517596 U CN 216517596U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to solar photovoltaic hollow glass, which comprises an outdoor photovoltaic unit and an indoor color-changing unit; a hollow layer is arranged between the outdoor photovoltaic unit and the indoor color changing unit; the outdoor photovoltaic unit is sequentially provided with outer-layer glass and back plate glass from outside to inside, the surface of the outer-layer glass is plated with a self-cleaning film, and a solar cell layer is arranged between the outer-layer glass and the back plate glass; the indoor color-changing layer is sequentially provided with fireproof glass and toughened glass from indoor to the hollow layer, and a thermochromic film is arranged between the fireproof glass and the toughened glass. The utility model can ensure the sun-shading adjustment and the fire-proof requirements of the building glass while ensuring the absorption and utilization of solar energy.
Description
Technical Field
The utility model relates to the technical field of glass manufacturing, in particular to solar photovoltaic hollow glass.
Background
The solar photovoltaic hollow glass becomes an important building material for the photovoltaic building integration technology due to good heat preservation, heat insulation and sound insulation effects.
The existing solar photovoltaic hollow glass in the market at present is usually in a transparent state in consideration of absorption and utilization of solar energy and permeability requirements of buildings. The pollution caused by long-term dust accumulation on the surface of the glass can influence the transmission of solar energy and generate hot spot effect, thereby reducing the power generation efficiency; the transmittance of the photovoltaic hollow glass to solar radiation is not adjustable, and the energy conservation, comfort and privacy are not good enough; meanwhile, the glass adopted by the photovoltaic glass assembly is generally toughened glass, and the fireproof function is not provided, so that the fireproof problem of the photovoltaic glass assembly is more and more noticed by people.
Therefore, a multifunctional solar photovoltaic hollow glass is needed to be designed to solve the problems that the power generation efficiency is low, the transmittance of sunlight radiation cannot be dynamically adjusted and fire is not prevented at present.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problems that the solar photovoltaic hollow glass in the prior art is low in power generation efficiency, and cannot dynamically adjust the transmittance of solar radiation and prevent fire.
In order to solve the technical problem, the utility model provides solar photovoltaic hollow glass which comprises an outdoor photovoltaic unit and an indoor color-changing unit; a hollow layer is arranged between the outdoor photovoltaic unit and the indoor color changing unit; the outdoor photovoltaic unit is sequentially provided with outer-layer glass and back plate glass from outside to inside, the surface of the outer-layer glass is plated with a self-cleaning film, and a solar cell layer is arranged between the outer-layer glass and the back plate glass; indoor discoloration layer has set gradually fire prevention glass and toughened glass from indoor to the hollow layer, be provided with the temperature between fire prevention glass and the toughened glass and send the color film.
In one embodiment of the utility model, both sides of the solar panel and the thermochromic film are provided with PVB films.
In one embodiment of the utility model, the thermochromic film is a modified functional film with dynamically graded color.
In one embodiment of the utility model, a spacer is arranged between the outdoor photovoltaic unit and the indoor color changing unit, and a drying agent is filled in the spacer.
In one embodiment of the utility model, the outer edges of the spacing bars are coated with fireproof sealant.
In one embodiment of the utility model, the solar cell layer is composed of a plurality of solar cells, and the solar cells are crystalline silicon cells.
In one embodiment of the utility model, the fire-resistant glass is a borosilicate fire-resistant glass.
In one embodiment of the utility model, the self-cleaning film is a photocatalytic nanocoating.
In one embodiment of the utility model, the outdoor photovoltaic unit and the indoor color changing unit are the same size.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the solar hollow glass has good heat preservation, heat insulation and sound insulation effects, and the self-cleaning glass can timely treat dust on the surface, ensure the light transmission of the self-cleaning glass and improve the power generation efficiency of a solar cell; the thermochromic film changes the color depth according to the change of weather, changes the indoor visible light intensity, and improves the energy saving property, the comfort level and the secrecy; fireproof glass can promote photovoltaic module's fire behavior.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural view of the present invention;
the specification reference numbers indicate: 1. outer layer glass; 2. self-cleaning the film; 3. PVB film; 4. a solar cell layer; 5. back plate glass; 6. a hollow layer; 7. tempering the glass; 8. thermochromic films; 9. Fireproof glass; 10. sealing glue; 11. a spacer bar.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1, the structure of the present invention is schematically illustrated, and the present invention includes an outdoor photovoltaic unit and an indoor color-changing unit; a hollow layer 6 is arranged between the outdoor photovoltaic unit and the indoor color changing unit; the outdoor photovoltaic unit is sequentially provided with outer layer glass 1 and back plate glass 5 from outside to inside, the surface of the outer layer glass 1 is plated with a self-cleaning film 2, and a solar cell layer 4 is arranged between the outer layer glass 1 and the back plate glass 5; the indoor color-changing layer is sequentially provided with fireproof glass 9 and toughened glass 7 from the indoor part to the hollow layer 6, and a thermochromic film 8 is arranged between the fireproof glass 9 and the toughened glass 7.
It can be seen that the hollow layer 6 can play the roles of sound insulation, heat preservation and heat insulation; the self-cleaning film 2 has high light transmittance and antireflection characteristics, and can clean pollutants attached to glass, ensure the light transmittance and improve the power generation efficiency; the thermochromic film 8 can automatically and dynamically adjust the color of the glass according to the temperature change generated by solar illumination, the sandwich glass of the thermochromic film 8 is in a light-colored transparent state in winter with weak illumination and in early morning or evening with low temperature, and more visible light can enter a room; in summer with strong illumination and at noon with high temperature, the color of the thermochromic film 8 is independently deepened, and the transmission of visible light is reduced; borosilicate fire-proof glass promotes photovoltaic module's fire behavior.
Specifically, the PVB films 3 are arranged on two sides of the solar cell layer 4 and the thermochromic film 8 and are used for connecting the glass on the two sides; secondly, the PVB film 3 has the characteristics of transparency, heat resistance, radiation resistance and the like.
Specifically, the thermochromic film 8 is a modified functional film with dynamically and gradually changed color, the color can change along with the change of illumination intensity, and the color can be automatically deepened when the temperature highlight is strong in summer; in winter, when the temperature is low and the light is weak, the color gradually becomes light or the transparency is restored; the indoor sunshade is guaranteed to be adjustable and comfortable.
Specifically, a spacing bar 11 is arranged between the outdoor photovoltaic unit and the indoor color changing unit; the space bar 11 is filled with drying agent, so that low-temperature dewing in the hollow layer 6 can be prevented, and the heat preservation and insulation effects of the hollow layer 6 can be realized.
Specifically, the edges of the spacing strips 11 are coated with fireproof sealant 10, so that the airtightness and weather durability of the hollow layer 6 are ensured.
Specifically, the solar cell layer 4 is composed of a plurality of solar cells, and the solar cells are crystalline silicon cells, so that the glass has a photovoltaic power generation function;
specifically, fire prevention glass 9 is borosilicate fire prevention glass 9, and is preferred, selects for use 4.0 borosilicate fire prevention glass 9, has lower coefficient of expansion and higher tempering stress, resists the thermal stress impact under the conflagration condition, and softening temperature is higher, and fire prevention effect is good, and the building security is high.
Specifically, the self-cleaning film 2 is a photocatalytic nano coating, can degrade organic matters attached to the surface of the glass under the irradiation of sunlight or ultraviolet rays, generates hydrophilicity, enables pollutants to be easily cleaned, ensures that the sunlight is fully projected, avoids the hot spot effect of the solar cell, and improves the power generation efficiency.
Specifically, the outdoor photovoltaic unit and the indoor color changing unit have the same size; on one hand, the indoor layer and the outdoor layer are completely attached, and the airtightness is guaranteed.
In summary, according to the solar photovoltaic hollow glass, the self-cleaning film 2 is arranged on the surface of the outer layer glass 1 to improve the solar energy transmittance and improve the power generation efficiency; the thermochromic film 8 enables the sun shading of the glass to be adjustable, provides the best thermal comfort level, and therefore the lighting and sun shading are perfectly integrated; the borosilicate fireproof glass 9 ensures good fireproof effect; the solar energy absorption and utilization are guaranteed, meanwhile, the requirements of shading property, thermal comfort and fire prevention of a building can be met, and the power generation efficiency is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (9)
1. The utility model provides a solar photovoltaic cavity glass which characterized in that: the system comprises an outdoor photovoltaic unit and an indoor color-changing unit; a hollow layer is arranged between the outdoor photovoltaic unit and the indoor color changing unit; the outdoor photovoltaic unit is sequentially provided with outer-layer glass and back plate glass from outside to inside, the surface of the outer-layer glass is plated with a self-cleaning film, and a solar cell layer is arranged between the outer-layer glass and the back plate glass; indoor discolour the unit from indoor to the hollow layer has set gradually fire prevention glass and toughened glass, be provided with the temperature between fire prevention glass and the toughened glass and send the color film.
2. The solar photovoltaic hollow glass according to claim 1, characterized in that: and PVB films are arranged on the two sides of the solar panel and the thermochromic film.
3. The solar photovoltaic hollow glass according to claim 1, characterized in that: the thermochromic film is a modified functional film with dynamically and gradually changed color.
4. The solar photovoltaic hollow glass according to claim 1, characterized in that: and a spacing bar is arranged between the outdoor photovoltaic unit and the indoor color-changing unit, and a drying agent is filled in the spacing bar.
5. The solar photovoltaic hollow glass according to claim 4, characterized in that: the outer edges of the spacing strips are coated with fireproof sealant.
6. The solar photovoltaic hollow glass according to claim 1, characterized in that: the solar cell layer is composed of a plurality of solar cells, and the solar cells are crystalline silicon cells.
7. The solar photovoltaic hollow glass according to claim 1, characterized in that: the fireproof glass is borosilicate fireproof glass.
8. The solar photovoltaic hollow glass according to claim 1, characterized in that: the self-cleaning film is a photocatalytic nano coating.
9. The solar photovoltaic hollow glass according to claim 1, characterized in that: the outdoor photovoltaic unit and the indoor color changing unit are the same in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121988639.7U CN216517596U (en) | 2021-08-23 | 2021-08-23 | Solar photovoltaic hollow glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121988639.7U CN216517596U (en) | 2021-08-23 | 2021-08-23 | Solar photovoltaic hollow glass |
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| Publication Number | Publication Date |
|---|---|
| CN216517596U true CN216517596U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121988639.7U Active CN216517596U (en) | 2021-08-23 | 2021-08-23 | Solar photovoltaic hollow glass |
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| CN (1) | CN216517596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355581A (en) * | 2022-08-29 | 2022-11-18 | 重庆大学 | Indoor temperature regulation and control method utilizing semiconductor refrigeration |
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2021
- 2021-08-23 CN CN202121988639.7U patent/CN216517596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355581A (en) * | 2022-08-29 | 2022-11-18 | 重庆大学 | Indoor temperature regulation and control method utilizing semiconductor refrigeration |
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