CN114068744A - Photovoltaic module with heat preservation function - Google Patents

Photovoltaic module with heat preservation function Download PDF

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Publication number
CN114068744A
CN114068744A CN202111565353.2A CN202111565353A CN114068744A CN 114068744 A CN114068744 A CN 114068744A CN 202111565353 A CN202111565353 A CN 202111565353A CN 114068744 A CN114068744 A CN 114068744A
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CN
China
Prior art keywords
heat preservation
photovoltaic module
adhesive film
layer
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111565353.2A
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Chinese (zh)
Inventor
徐龙江
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Xuzhou Yanghai Clean Energy Technology Research Institute Co ltd
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Xuzhou Yanghai Clean Energy Technology Research Institute Co ltd
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Publication date
Application filed by Xuzhou Yanghai Clean Energy Technology Research Institute Co ltd filed Critical Xuzhou Yanghai Clean Energy Technology Research Institute Co ltd
Priority to CN202111565353.2A priority Critical patent/CN114068744A/en
Publication of CN114068744A publication Critical patent/CN114068744A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0481Encapsulation of modules characterised by the composition of the encapsulation material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/049Protective back sheets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The invention relates to a photovoltaic module with a heat preservation function, which comprises a sunlight plate, a first adhesive film, a battery layer, a second adhesive film, a heat preservation layer and a back plate, wherein the lower surface of the sunlight plate is attached to the upper surface of the battery layer through the first adhesive film, the lower surface of the battery layer is attached to the upper surface of the heat preservation layer through the second adhesive film, the back plate is attached to the lower surface of the heat preservation layer, the sunlight plate is an ultra-white toughened glass plate and is used for supporting the structure of the photovoltaic module, an anti-yellowing agent is coated on the upper surface of the sunlight plate, the anti-yellowing agent can prevent the surface of the white toughened glass plate from aging and yellowing, the transmittance of the white toughened glass plate is influenced, the power generation efficiency of the photovoltaic module is reduced, the light transmittance of glass can be improved after the EVA adhesive film is bonded with the glass, the heat preservation layer has the functions of heat insulation and heat preservation, and plays the roles of energy saving and heat preservation, so that the photovoltaic module can not only generate electricity, but also has the function of a heat preservation material, has the performance of building materials, makes photovoltaic integration building possible and provides materials.

Description

Photovoltaic module with heat preservation function
Technical Field
The invention relates to the technical field of solar photovoltaic modules, in particular to a photovoltaic module with a heat preservation function.
Background
The single solar cell cannot be directly used as a power supply. As a power supply, a plurality of single batteries are connected in series and in parallel and tightly packaged into a photovoltaic module. The photovoltaic module (also called solar panel) is a core component in a solar power generation system and is also the most important part in the solar power generation system. The solar energy is converted into electric energy and is transmitted to a storage battery to be stored or to push a load to work.
The dual-carbon industry is developing vigorously, and the photovoltaic building integration technology and products are the industries encouraged by policies and trends.
The existing photovoltaic module lacks a heat preservation effect, and when the photovoltaic module is installed on the outer wall surface of a building, a heat preservation layer needs to be installed again, so that materials are wasted, and the construction cost is increased, therefore, the photovoltaic module with the heat preservation function is needed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a photovoltaic module with a heat preservation function, and the integration of photovoltaic heat preservation is realized.
In order to achieve the purpose, the invention is realized by the following technical scheme:
photovoltaic module with heat preservation function, including sunshine board, first glued membrane, battery layer, second glued membrane, heat preservation and backplate, the lower surface of sunshine board is through the laminating of first glued membrane and battery layer upper surface, the lower surface of battery layer passes through the laminating of second glued membrane and the upper surface of heat preservation, the lower surface laminating of heat preservation has the backplate.
The sunlight plate is a super-white toughened glass plate and is used for supporting a photovoltaic assembly structure, an anti-yellowing agent is coated on the upper surface of the sunlight plate, the anti-yellowing agent can prevent the surface of the white toughened glass plate from aging and yellowing, the transmittance of the white toughened glass plate is influenced, and the power generation efficiency of the photovoltaic assembly is reduced.
The first adhesive film and the second adhesive film are EVA adhesive films and are copolymers of ethylene and vinyl acetate, and the EVA adhesive films belong to hot melt adhesives and protect the battery pieces.
The backsheet is a transparent TPT sheet.
By means of the scheme, the invention has the following advantages: (1) the EVA adhesive film can be melted, bonded, crosslinked and solidified under a certain condition, becomes completely transparent, can improve the light transmittance of glass after being bonded with the glass, and plays a role of anti-reflection, and (2) the photovoltaic module has heat preservation performance besides power generation, so that the building roof and the vertical surface facing south only need to be provided with the photovoltaic module, and simultaneously have the power generation and heat preservation performance, thereby realizing the integration of photovoltaic and building materials, saving the cost of building materials and construction cost, and saving the construction period.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the solar cell comprises a sunlight plate 1, a first adhesive film 2, a cell layer 3, a second adhesive film 4, a heat insulation layer 5 and a back plate 6.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the photovoltaic module with a heat preservation function comprises a sunlight panel 1, a first adhesive film 2, a battery layer 3, a second adhesive film 4, a heat preservation layer 5 and a back panel 6, wherein the lower surface of the sunlight panel 1 is attached to the upper surface of the battery layer 3 through the first adhesive film 2, the sunlight panel 1 is an ultra-white toughened glass plate and is used for supporting the structure of the photovoltaic module, an anti-yellowing agent is coated on the upper surface of the sunlight panel 1 and can prevent the surface of the white toughened glass plate from aging and yellowing to influence the transmittance of the white toughened glass plate and reduce the power generation efficiency of the photovoltaic module, the lower surface of the battery layer 3 is attached to the upper surface of the heat preservation layer 5 through the second adhesive film 4, the first adhesive film 2 and the second adhesive film 4 are EVA adhesive films which are copolymers of ethylene and vinyl acetate, the EVA adhesive films belong to hot melt adhesives, and when in use, the EVA adhesive films are uniformly coated on the upper and lower surfaces of the battery layer 3, after the temperature rises, the EVA adhesive film can be fused, bonded and crosslinked for solidification and becomes completely transparent, the light transmittance of the ultra-white toughened glass plate can be improved while the EVA adhesive film is attached to the ultra-white toughened glass plate, the power generation conversion efficiency of the photovoltaic module is improved, the heat insulation layer 5 is made of aerogel heat insulation materials, the heat insulation layer 5 completely covers the battery layer 3, the plane size of the heat insulation layer 5 is the same as that of the back plate, the heat insulation layer 5 has the function of heat insulation of a building space under a roof, the photovoltaic module has the functions of power generation and heat insulation at the same time, the integration of photovoltaic building materials is realized, the back plate 6 is attached to the lower surface of the heat insulation layer 5, and the back plate 6 is a transparent TPT plate.
As shown in fig. 1, the photovoltaic module with a heat preservation function comprises a sunlight panel 1, a first adhesive film 2, a battery layer 3, a second adhesive film 4, a heat preservation layer 5 and a back panel 6, wherein the lower surface of the sunlight panel 1 is attached to the upper surface of the battery layer 3 through the first adhesive film 2, the sunlight panel 1 is an ultra-white toughened glass plate and is used for supporting the structure of the photovoltaic module, an anti-yellowing agent is coated on the upper surface of the sunlight panel 1 and can prevent the surface of the white toughened glass plate from aging and yellowing to influence the transmittance of the white toughened glass plate and reduce the power generation efficiency of the photovoltaic module, the lower surface of the battery layer 3 is attached to the upper surface of the heat preservation layer 5 through the second adhesive film 4, the first adhesive film 2 and the second adhesive film 4 are EVA adhesive films which are copolymers of ethylene and vinyl acetate, the EVA adhesive films belong to hot melt adhesives, and when in use, the EVA adhesive films are uniformly coated on the upper and lower surfaces of the battery layer 3, after the temperature rises, an EVA adhesive film can be fused, bonded and crosslinked for solidification and becomes completely transparent, the light transmittance of the ultra-white toughened glass plate can be improved while the EVA adhesive film is attached to the ultra-white toughened glass plate, the power generation conversion efficiency of the photovoltaic module is improved, the heat insulation layer 5 is a TDD vacuum heat insulation plate, technical personnel or engineering personnel in the field can replace the heat insulation layer with other heat insulation materials according to technical experience or engineering experience, the heat insulation layer 5 completely covers the battery layer 3, the plane size of the heat insulation layer 5 is the same as that of the back plate, and the heat insulation layer 5 has the function of heat insulation for a building space under a roof.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (5)

1. Photovoltaic module with heat preservation function, its characterized in that, including sunshine board (1), first glued membrane (2), battery layer (3), second glued membrane (4), heat preservation (5) and backplate (6), the lower surface of sunshine board (1) is through laminating of first glued membrane (2) and battery layer (3) upper surface, the lower surface of battery layer (3) is through the laminating of second glued membrane (4) and the upper surface of heat preservation (5), the lower surface laminating of heat preservation (5) has backplate (6), heat preservation (5) are the same with the size of backplate (6).
2. The photovoltaic module with the thermal insulation function according to claim 1, wherein the sunlight panel (1) is an ultra-white toughened glass panel for supporting a photovoltaic module structure, and an anti-yellowing agent is coated on the upper surface of the sunlight panel (1).
3. The photovoltaic module with thermal insulation function according to claim 1, wherein the first adhesive film (2) and the second adhesive film (4) are EVA adhesive films, and are copolymers of ethylene and vinyl acetate.
4. The photovoltaic module with heat preservation function according to claim 1, wherein the back sheet (6) is a transparent TPT sheet (the dual glass module back sheet 6 is ultra-white glass).
5. The photovoltaic module with the heat preservation function as claimed in claim 1, wherein a layer of heat preservation material 5 is arranged on the upper side of the back plate 6, and the transparent heat preservation material is selected for the double-glass module heat preservation material 5.
CN202111565353.2A 2021-12-20 2021-12-20 Photovoltaic module with heat preservation function Pending CN114068744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111565353.2A CN114068744A (en) 2021-12-20 2021-12-20 Photovoltaic module with heat preservation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111565353.2A CN114068744A (en) 2021-12-20 2021-12-20 Photovoltaic module with heat preservation function

Publications (1)

Publication Number Publication Date
CN114068744A true CN114068744A (en) 2022-02-18

Family

ID=80230058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111565353.2A Pending CN114068744A (en) 2021-12-20 2021-12-20 Photovoltaic module with heat preservation function

Country Status (1)

Country Link
CN (1) CN114068744A (en)

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