CN111674111A - Photovoltaic power generation sheet - Google Patents

Photovoltaic power generation sheet Download PDF

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Publication number
CN111674111A
CN111674111A CN202010545478.8A CN202010545478A CN111674111A CN 111674111 A CN111674111 A CN 111674111A CN 202010545478 A CN202010545478 A CN 202010545478A CN 111674111 A CN111674111 A CN 111674111A
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CN
China
Prior art keywords
layer
photovoltaic
hole
power generation
photovoltaic power
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Pending
Application number
CN202010545478.8A
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Chinese (zh)
Inventor
石磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Fumei New Material Co ltd
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Guangxi Fumei New Material Co ltd
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Publication date
Application filed by Guangxi Fumei New Material Co ltd filed Critical Guangxi Fumei New Material Co ltd
Priority to CN202010545478.8A priority Critical patent/CN111674111A/en
Publication of CN111674111A publication Critical patent/CN111674111A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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    • B32B7/04—Interconnection of layers
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    • B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06—Acrylates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/20—Supporting structures directly fixed to an immovable object
    • H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/12—Photovoltaic modules
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a photovoltaic power generation sheet, which comprises: the photovoltaic layer is positioned on at least one part of the support layer and is connected with the support layer; the decorative layer is located on the photovoltaic layer and connected with the photovoltaic layer, the decorative layer covers the support layer, a plurality of holes are formed in the decorative layer, and the photovoltaic layer is arranged right below the holes. The photovoltaic power generation sheet has good appearance performance, can be well applied to building outer walls, roofs, bridge facades, enclosing walls, telegraph poles and the like, does not need to additionally increase an accommodating space, and realizes full application of the outer facade space.

Description

Photovoltaic power generation sheet
Technical Field
The invention belongs to the technical field of facing materials, and particularly relates to a photovoltaic power generation sheet.
Background
Photovoltaic power generation is a technology of directly converting light energy into electric energy by using the photovoltaic effect of a semiconductor interface. The existing photovoltaic power generation technology is mainly applied to: firstly, a user solar power supply: (1) the small power supply is 10-100W, and is used for civil and military electricity consumption such as illumination, television, radio and recorder in remote areas without electricity, such as plateaus, islands, pastoral areas, frontier sentries and the like; (2) a 3-5KW household roof grid-connected power generation system; (3) photovoltaic water pump: the deep water well in the electroless area is used for drinking and irrigating. And secondly, the traffic fields such as navigation mark lamps, traffic/railway signal lamps, traffic warning/marking lamps, space street lamps, overhead obstacle lamps, expressway/railway wireless telephone kiosks, unattended power supply and the like. Thirdly, communication/communication field: the system comprises a solar unattended microwave relay station, an optical cable maintenance station and a broadcasting/communication/paging power supply system; rural carrier wave telephone photovoltaic system, small-size communicator, soldier GPS power supply etc.. Fourthly, the fields of petroleum, ocean and weather are as follows: the system comprises a cathodic protection solar power system for a petroleum pipeline and a reservoir gate, a life and emergency power supply for an oil drilling platform, an ocean detection device, a meteorological/hydrological observation device and the like. Fifthly, household lamp power supply: such as garden lamps, street lamps, portable lamps, camping lamps, mountain climbing lamps, fishing lamps, black light lamps, tapping lamps, energy-saving lamps and the like. Sixthly, the photovoltaic power station: 10KW-50MW independent photovoltaic power station, wind-light (diesel) complementary power station, various large-scale parking plant charging stations and the like.
In the above application technical field, additional space is often needed for realizing photovoltaic power generation, such as a solar panel on a roof and a street lamp, and the solar panel is often fixed in structure, shape and appearance, and often has the condition inconsistent with the style of the building, so that the overall appearance effect is poor. With the development of the technology, there is also a technology of directly installing a solar photovoltaic panel on an outer wall of a building, but in this way, the appearance of the building is greatly affected.
Therefore, the existing photovoltaic power generation sheet is yet to be further improved.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an object of the present invention is to propose a photovoltaic power generation sheet. The photovoltaic power generation sheet has good appearance performance, can be well applied to building outer walls, roofs, bridge facades, enclosing walls, telegraph poles and the like, does not need to additionally increase an accommodating space, and realizes full application of the outer facade space.
In one aspect of the present invention, the present invention provides a photovoltaic power generation sheet, which, according to an embodiment of the present invention, includes:
a support layer, a first layer and a second layer,
the photovoltaic layer is positioned on at least one part of the support layer and is connected with the support layer;
the decorative layer is located on the photovoltaic layer and connected with the photovoltaic layer, the decorative layer covers the support layer, a plurality of holes are formed in the decorative layer, and the photovoltaic layer is arranged right below the holes.
According to the photovoltaic power generation sheet material provided by the embodiment of the invention, the support layer provides support for the photovoltaic power generation sheet material, and materials with corresponding shapes and physical and chemical properties can be flexibly selected according to the application scene of the photovoltaic power generation sheet material; the photovoltaic layer is positioned on at least one part of the support layer, and can convert light energy into electric energy by absorbing sunlight so as to provide energy for application scenes, such as building spaces, street lamps, bridge lamps, signs and the like; the decorative layer is located the photovoltaic layer, and has a plurality of holes, is the photovoltaic layer under the hole, and light arrives the photovoltaic layer from the hole on the decorative layer for the photovoltaic power generation sheet of this application not only can realize the utilization to solar energy, can also be based on the nimble corresponding decorative layer material of selecting of veneer body style, is showing the outward appearance expressive force that has improved the photovoltaic power generation sheet, and has brought the artistic effect for whole veneer. Therefore, the photovoltaic power generation sheet has good appearance performance, can be well applied to building external walls, roofs, bridge facades, enclosing walls, telegraph poles and the like, does not need to additionally increase an accommodating space, and realizes full application of the external facade space.
In addition, the photovoltaic power generation sheet according to the above embodiment of the present invention may also have the following additional technical features:
in some embodiments of the invention, the support layer is selected from at least one of a galvanized sheet member, an aluminum sheet member, and a polyvinyl chloride sheet member.
In some embodiments of the invention, the photovoltaic power generation material in the photovoltaic layer is selected from at least one of single crystal silicon, polycrystalline silicon, copper indium selenide, nano titanium dioxide, graphene, perovskite.
In some embodiments of the invention, the diameter of the holes is 5-100 mm.
In some embodiments of the present invention, the surface area of the holes is no less than 1/6 of the surface area of the decorative layer.
In some embodiments of the present invention, the decorative layer has a plurality of holes uniformly distributed thereon.
In some embodiments of the present invention, the decorative layer is formed of the modified inorganic powder composite slurry, and the decorative layer has a texture of stone or brick or wood or metal or ceramic.
In some embodiments of the present invention, the support layer has a through-hole over which the photovoltaic layer is absent, and the modified inorganic powder composite paste is formed on the support layer lower surface and the through-hole inner wall, the support layer upper surface, the photovoltaic layer upper surface through the through-hole; or, the bracket layer is provided with a through hole, the photovoltaic layer is provided with a photovoltaic through hole, the photovoltaic through hole is communicated with the through hole, the photovoltaic through hole is not communicated with the hole on the decoration layer, and the modified inorganic powder composite slurry is formed on the lower surface of the bracket layer, the inner wall of the through hole, the inner wall of the photovoltaic through hole, the upper surface of the photovoltaic layer and the upper surface of the bracket layer through the through hole and the photovoltaic through hole.
In some embodiments of the invention, the decorative layer is selected from the group consisting of aluminum sheet, composite aluminum sheet, aluminum plastic sheet, stainless steel sheet, titanium alloy sheet, color steel sheet, copper sheet, stone sheet, honeycomb composite sheet, Qiansi sheet, ceramic sheet, calcium plastic sheet, artificial sheet, and pre-cast molded cement board.
In some embodiments of the present invention, the modified inorganic powder composite slurry comprises: 40-98.4% of blast furnace mineral powder, 7-20% of acrylic polymer emulsion or 1.5-3% of redispersible latex powder, 0.1-2% of polyvinyl alcohol fiber, 0-3% of pigment and the balance of filler, wherein the decorative layer has the texture of stone or brick or wood or metal or ceramic.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a photovoltaic power generation sheet according to one embodiment of the present invention;
FIG. 2 is a side view of a photovoltaic power generation sheet according to yet another embodiment of the present invention;
fig. 3 is a side view of a photovoltaic power generation sheet according to yet another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In one aspect of the present invention, the present aspect proposes a photovoltaic power generation sheet, according to an embodiment of the present invention, with reference to fig. 1, comprising: a support layer 100, a photovoltaic layer 200, and a decorative layer 300.
According to an embodiment of the present invention, the support layer 100 provides support for the photovoltaic power generation sheet, and materials with corresponding shapes and physical and chemical properties can be flexibly selected according to application scenarios of the photovoltaic power generation sheet. It should be noted that the specific structural shape of the stent layer is not particularly limited, and for example, the stent layer may have a surface shape of triangle, quadrangle, pentagon, hexagon, other polygons, or the like, or may have a surface shape of circle, ellipse, or the like, and those skilled in the art may select the stent layer according to actual needs. On the same veneer, the photovoltaic power generation sheet with the bracket layers with different shapes can be flexibly selected. Further, the material of the support layer is not particularly limited, and may be at least one selected from the group consisting of a galvanized sheet, an aluminum sheet, and a polyvinyl chloride sheet. The substrate layer made of the materials has wide sources, low price and longer service life.
According to yet another embodiment of the present invention, a photovoltaic layer 200 is disposed on at least a portion of the scaffold layer 100 and is coupled to the scaffold layer 100 and adapted to convert light energy into electrical energy. The inventor finds that the photovoltaic layer is located on at least one part of the support layer, and can convert light energy into electric energy by absorbing sunlight, so as to provide energy for application scenes, such as building spaces, street lamps, bridge lamps, signs and the like. Further, the specific type of the photovoltaic power generation material in the photovoltaic layer is not particularly limited, and may be, for example, at least one selected from the group consisting of single crystal silicon, polycrystalline silicon, copper indium selenide, nano titanium dioxide, graphene, and perovskite. The photovoltaic power generation material has reasonable forbidden band width and excellent photoelectric conversion performance; the production process is simple, the requirement on production equipment is low, and the industrial large-scale production is facilitated; meanwhile, the environment is protected, and the influence on the ecological environment is small; and has long service life and high stability in the use process.
According to another embodiment of the present invention, the decoration layer 300 is disposed on the photovoltaic layer 200 and connected to the photovoltaic layer 200, the decoration layer 300 covers the support layer 100, the decoration layer 300 is provided with a plurality of holes 301, and the photovoltaic layer 200 is disposed right under the holes 301. The inventor finds that the decorative layer is located on the photovoltaic layer and provided with a plurality of holes, the photovoltaic layer is arranged right below the holes, and light reaches the photovoltaic layer from the holes in the decorative layer, so that the photovoltaic power generation sheet can utilize solar energy, corresponding decorative layer materials can be flexibly selected based on the style of the facing body, the appearance expressive force of the photovoltaic power generation sheet is remarkably improved, and the artistic effect is brought to the whole facing.
The diameter of the hole according to a specific embodiment of the present invention is not particularly limited, and may be selected by those skilled in the art according to actual needs, such as 5-100mm, and specifically, such as 5/10/15/20/25/30/35/40/45/50/55/60/65/70/75/80/85/90/95/100 mm. Further, in order to balance the appearance expressive force and the illumination area of the photovoltaic power generation sheet, so that the photovoltaic power generation sheet can provide corresponding electric energy for a scene under the condition of meeting various appearance requirements, the surface area of the holes in the decoration layer is not less than 1/6 of the surface area of the decoration layer. Furthermore, the specific arrangement of the holes on the decorative layer is not particularly limited, and the holes may be designed according to the patterns on the decorative layer or may be uniformly distributed on the decorative layer. Further, the shape of the hole is not particularly limited, and may be, for example, a circle, an ellipse, a triangle, a quadrangle, a pentagon, a hexagon, or the like.
Further, the specific connection relationship between the support layer and the photovoltaic layer, and between the photovoltaic layer and the decorative layer is not particularly limited, for example, the photovoltaic layer may be directly placed on the support layer by bonding or welding, or the decorative layer may be placed on the photovoltaic layer, at this time, a person skilled in the art may select a specific type of the decorative layer according to actual needs, for example, at least one of an aluminum plate, a composite aluminum plate, an aluminum plastic plate, a stainless steel plate, a titanium alloy plate, a color steel plate, a copper sheet plate, a stone plate, a honeycomb composite plate, a puss plate, a ceramic plate, a calcium plastic plate, an artificial plate, and a precast cement processing plate; or a decorative layer formed by the modified inorganic powder composite slurry can be selected, wherein the decorative layer has the texture of stone or brick or wood or metal or ceramic.
Further, the decoration layer may be integrated with the support layer and the photovoltaic layer, in this case, referring to fig. 2, the support layer 100 has a through hole 101, the photovoltaic layer 200 is not located above the through hole 101, and the modified inorganic powder composite paste forms the decoration layer 300 on the lower surface of the support layer 100, the inner wall of the through hole 101, the upper surface of the support layer 100, and the upper surface of the photovoltaic layer 200 through the through hole 101; or, referring to fig. 3, the support layer 100 has a through hole 101, the photovoltaic layer 200 has a photovoltaic through hole 201, the photovoltaic through hole 201 is communicated with the through hole 101, and the photovoltaic through hole 201 is not communicated with the hole 301 on the decoration layer 300, the modified inorganic powder composite slurry is formed on the lower surface of the support layer 100, the inner wall of the through hole 101, the inner wall of the photovoltaic through hole 201, the upper surface of the photovoltaic layer 200, and the upper surface of the support layer 100 through the through hole 101 and the photovoltaic through hole 201, in this case, when the support layer is fully covered by the photovoltaic layer, the decoration layer is directly formed on the lower surface of the support layer, the inner wall of the through hole, and the upper surface of the photovoltaic layer through the.
Further, the modified inorganic powder composite slurry comprises: 40-98.4% of blast furnace mineral powder, 7-20% of acrylic polymer emulsion or 1.5-3% of redispersible latex powder, 0.1-2% of polyvinyl alcohol fiber, 0-3% of pigment and the balance of filler, and the decorative layer has the texture of stone or brick or wood or metal or ceramic. Can meet the requirements of different customers on different textures. Furthermore, the decorative layer of the application not only can have different texture, but also can provide rich appearance based on the same texture, for example, under the condition of meeting the texture of stone, the decorative layer can present the appearances of travertine or sandstone, slate, wall rock, mushroom stone, granite, cloth grain stone, ax stone, billow stone, barren stone, cloth and the like; under the condition of meeting the texture of the brick, the appearance of split bricks or transmutation bricks, rammed earth bricks, retro bricks and the like can be presented. Under the condition of meeting the texture of wood, the appearance of maple, waxed wood, sawmilling, redwood, original wood and the like can be presented. Further, the blast furnace mineral powder can be granulated blast furnace water-crushed superfine mineral powder with the specific surface area not less than 410m2Per kg; the solid content of the acrylic polymer emulsion is 45-55 percent; the polyvinyl alcohol fiber is high-strength high-modulus polyvinyl alcohol fiber;the filler is at least one of quartz sand, stone powder, porcelain slag and clay. The decorative layer formed by the modified inorganic powder composite slurry recycles waste, and is beneficial to comprehensive utilization of resources; can replace cement fiber board and wood board. At present, one of the domestic cement fiber boards does not contain asbestos fiber, and the asbestos fiber is replaced by paper pulp, wood chips and glass fiber to play a role in reinforcement. The other is reinforcing effect with asbestos fiber, which is called as asbestos fiber cement slab, and the asbestos has high modulus and one fatal weakness, i.e. asbestos is a carcinogenic substance and is harmful to human health and not an ideal reinforcing material. In the above decorative layer of the present application, high strength and high modulus polyvinyl alcohol fibers are used instead of asbestos. Compared with asbestos, the high-strength high-modulus polyvinyl alcohol fiber has the characteristics of high bending strength, impact strength, toughness and the like. Meanwhile, the high-strength high-modulus polyvinyl alcohol fiber has excellent chemical corrosion resistance, microorganism resistance and water conductivity. Therefore, compared with a cement fiberboard, the decorative layer has better mechanical properties such as environmental protection, toughness, impact resistance and the like, can be formed at one time during manufacturing, and does not need steam pressure and maintenance; compared with the plywood, the decorative layer has the advantages that the fire resistance reaches A level, the released volatile organic compounds such as formaldehyde and the like are extremely low, the wood resources are saved, and the like.
According to the photovoltaic power generation sheet material provided by the embodiment of the invention, the support layer provides support for the photovoltaic power generation sheet material, and materials with corresponding shapes and physical and chemical properties can be flexibly selected according to the application scene of the photovoltaic power generation sheet material; the photovoltaic layer is positioned on at least one part of the support layer, and can convert light energy into electric energy by absorbing sunlight so as to provide energy for application scenes, such as building spaces, street lamps, bridge lamps, signs and the like; the decorative layer is located the photovoltaic layer, and has a plurality of holes, is the photovoltaic layer under the hole, and light arrives the photovoltaic layer from the hole on the decorative layer for the photovoltaic power generation sheet of this application not only can realize the utilization to solar energy, can also be based on the nimble corresponding decorative layer material of selecting of veneer body style, is showing the outward appearance expressive force that has improved the photovoltaic power generation sheet, and has brought the artistic effect for whole veneer. Therefore, the photovoltaic power generation sheet has good appearance performance, can be well applied to building external walls, roofs, bridge facades, enclosing walls, telegraph poles and the like, does not need to additionally increase an accommodating space, and realizes full application of the external facade space.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A photovoltaic power generation sheet characterized by comprising:
a support layer, a first layer and a second layer,
the photovoltaic layer is positioned on at least one part of the support layer and is connected with the support layer;
the decorative layer is located on the photovoltaic layer and connected with the photovoltaic layer, the decorative layer covers the support layer, a plurality of holes are formed in the decorative layer, and the photovoltaic layer is arranged right below the holes.
2. The photovoltaic power generation sheet according to claim 1, wherein the support layer is at least one member selected from the group consisting of a galvanized sheet member, an aluminum plate member, and a polyvinyl chloride plate member.
3. The photovoltaic power generation sheet according to claim 1, wherein the photovoltaic power generation material in the photovoltaic layer is at least one selected from the group consisting of single crystal silicon, polycrystalline silicon, copper indium selenide, nano titanium dioxide, graphene, and perovskite.
4. The photovoltaic power generation sheet according to claim 1, wherein the diameter of the hole is 5 to 100 mm.
5. The photovoltaic power generation sheet according to claim 1, wherein the surface area of the hole is not less than 1/6 of the surface area of the decoration layer.
6. The photovoltaic power generation sheet according to claim 1, wherein a plurality of the holes are uniformly distributed on the decoration layer.
7. The photovoltaic power generation sheet according to claim 1, wherein the decorative layer is formed of a modified inorganic powder composite slurry, and the decorative layer has a texture of stone or brick or wood or metal or ceramic.
8. The photovoltaic power generation sheet according to claim 7, wherein the support layer has a through-hole above which the photovoltaic layer is absent, and the modified inorganic powder composite paste is formed on the support layer lower surface and the through-hole inner wall, the support layer upper surface, the photovoltaic layer upper surface through the through-hole;
or, the bracket layer is provided with a through hole, the photovoltaic layer is provided with a photovoltaic through hole, the photovoltaic through hole is communicated with the through hole, the photovoltaic through hole is not communicated with the hole on the decoration layer, and the modified inorganic powder composite slurry is formed on the lower surface of the bracket layer, the inner wall of the through hole, the inner wall of the photovoltaic through hole, the upper surface of the photovoltaic layer and the upper surface of the bracket layer through the through hole and the photovoltaic through hole.
9. The photovoltaic power generation sheet according to claim 1, wherein the decorative layer is at least one selected from the group consisting of an aluminum plate, a composite aluminum plate, an aluminum plastic plate, a stainless steel plate, a titanium alloy plate, a color steel plate, a copper sheet plate, a stone plate, a honeycomb composite plate, a Qianzi plate, a ceramic plate, a calcium plastic plate, an artificial plate, and a pre-cast molded cement board.
10. The photovoltaic power generation sheet according to claim 7 or 8, wherein the modified inorganic powder composite paste comprises: 40-98.4% of blast furnace mineral powder, 7-20% of acrylic polymer emulsion or 1.5-3% of redispersible latex powder, 0.1-2% of polyvinyl alcohol fiber, 0-3% of pigment and the balance of filler, wherein the decorative layer has the texture of stone or brick or wood or metal or ceramic.
CN202010545478.8A 2020-06-16 2020-06-16 Photovoltaic power generation sheet Pending CN111674111A (en)

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CN103929120A (en) * 2014-03-22 2014-07-16 烟台斯坦普精工建设有限公司 Building outer-wall photovoltaic power generation system and manufacturing method thereof
CN110939244A (en) * 2019-12-12 2020-03-31 华中科技大学 Solar decorative plate applied to building facade
CN212737305U (en) * 2020-06-16 2021-03-19 广西福美新材料有限公司 Photovoltaic power generation sheet

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CN103441168A (en) * 2013-08-22 2013-12-11 烟台斯坦普精工建设有限公司 Flexible roof photovoltaic tile and preparation method thereof
CN103929120A (en) * 2014-03-22 2014-07-16 烟台斯坦普精工建设有限公司 Building outer-wall photovoltaic power generation system and manufacturing method thereof
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