CN114744967B - Desert photovoltaic reflective fabric capable of improving light inflow amount - Google Patents

Desert photovoltaic reflective fabric capable of improving light inflow amount Download PDF

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Publication number
CN114744967B
CN114744967B CN202210500546.8A CN202210500546A CN114744967B CN 114744967 B CN114744967 B CN 114744967B CN 202210500546 A CN202210500546 A CN 202210500546A CN 114744967 B CN114744967 B CN 114744967B
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photovoltaic
light
layer
cloth
double
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CN114744967A (en
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饶金才
钱珍珠
赵星星
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Hubei Jinlong New Material Co ltd
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Hubei Jinlong New Materials Co ltd
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    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/20—Optical components
    • H02S40/22—Light-reflecting or light-concentrating means
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • 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
    • 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
    • B32B3/28—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 a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • 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
    • H02S30/10—Frame structures
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • 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
    • Y02E10/52—PV systems with concentrators

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The invention discloses desert photovoltaic reflective cloth capable of improving the light inflow amount, which comprises photovoltaic reflective cloth, wherein a double-sided photovoltaic assembly is lapped on the top of the photovoltaic reflective cloth, a photovoltaic fixed frame is clamped on the outer surface of the photovoltaic reflective cloth, and the double-sided photovoltaic assembly is clamped inside the photovoltaic fixed frame; along with the rising of temperature, the extension regulating layer can extend downwards, will metallize reflection of light rete expandes, increase the concave mirror focus that metallize reflection of light rete formed wholly, make the transmission light disperse the back of shining at two-sided photovoltaic module, avoid appearing a certain department in subassembly bottom because the spotlight is excessive, make two-sided photovoltaic module back rapid heating up, reduce two-sided photovoltaic module's life, otherwise, then shorten the focus of metallizing reflection of light rete, when the sunshine is not strong, strengthen the light convergence ability of metallizing reflection of light rete, shine at two-sided photovoltaic module back more with the sunlight of reflection, but reach the effect of photovoltaic reflection of light cloth self-regulation.

Description

Desert photovoltaic reflective fabric capable of improving light inflow amount
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to desert photovoltaic reflective cloth capable of improving the light inflow amount.
Background
The photovoltaic sand control is a brand new desert control mode, damage to a soil structure caused by direct sunlight is reduced by building photovoltaic stations at the edge of a desert, and the photovoltaic sand control relates to photovoltaic power generation.
As is well known, photovoltaic is a system for converting light into electricity by using the photoelectric effect, so the development process of photovoltaic always holds firmly two main paths as follows:
path one: the photoelectric conversion efficiency is improved, and the polycrystalline silicon to the monocrystalline silicon and the PERC to the HJT are all products of the route.
And a second route: the photovoltaic module has the advantages that the light entering amount of the photovoltaic module is improved, the light entering amount is improved to be a good choice under the condition that the conversion efficiency is difficult to make a great breakthrough, and products such as photovoltaic glass, a double-glass module and a tracking support are born on the path.
It can be said that all the technical routes of photovoltaic are developed around the two directions, and the first path gradually reaches the technical peak in research and development; the second path, the market has also been substantially saturated, and new paths need to be developed to increase the solar ray reception rate of photovoltaic modules.
Therefore, the desert photovoltaic reflective fabric capable of improving the light inflow amount is provided.
Disclosure of Invention
The invention aims to provide desert photovoltaic reflective cloth capable of improving the light inflow amount, and aims to solve the problems that the prior two directions for improving the photovoltaic conversion efficiency are provided in the background art: the transition of polysilicon to single crystal silicon and the increase in the amount of light input through photovoltaic glass and tracking racks have both problems with technology peaks and market saturation.
In order to achieve the purpose, the invention provides the following technical scheme: the desert photovoltaic reflecting cloth capable of improving the light inflow amount comprises photovoltaic reflecting cloth, wherein a double-sided photovoltaic assembly is lapped on the top of the photovoltaic reflecting cloth, a photovoltaic fixing frame is clamped on the outer surface of the photovoltaic reflecting cloth, and the double-sided photovoltaic assembly is clamped inside the photovoltaic fixing frame;
the photovoltaic reflective cloth consists of an extension adjusting layer, a transparent light-transmitting protective layer, an adhesive layer, a plated metal reflective film layer, a reinforcing base cloth layer and a bottom layer film which are mutually adhered;
the outer surface of the double-sided photovoltaic assembly is fixedly connected with a clamping strip, the interior of the double-sided photovoltaic assembly is fixedly connected with a light energy receiving wafer, the top of the double-sided photovoltaic assembly is fixedly connected with a sand prevention external member, and the top of the double-sided photovoltaic assembly is fixedly connected with a sand prevention partition plate;
the photovoltaic fixing frame is characterized in that a clamping groove is formed in the inner wall of the photovoltaic fixing frame, a closed bottom plate is fixedly connected to the inner bottom wall of the photovoltaic fixing frame, a liquid discharge hole is formed in the front side of the photovoltaic fixing frame, and an assembling bolt is connected to the front side of the photovoltaic fixing frame in a threaded mode.
Preferably, carry out the adhesion through the viscose layer between extension regulation layer, transparent printing opacity protective layer, the metallization reflection of light rete, reinforcing base cloth layer and the basement membrane, just the top on extension regulation layer and two-sided photovoltaic module's bottom overlap joint, the extension regulation layer adopts expend with heat and contract with cold nature material, transparent printing opacity protective layer adopts the antireflection material to make, reflection of light metallic coating has been plated at the top on metallization reflection of light rete.
Preferably, the top of the metal-plated reflecting film layer is folded to form a reflecting layer, the bottom of the reflecting layer is provided with a liquid discharge groove, and the front surfaces of the metal-plated reflecting film layer, the reinforcing base cloth layer and the adhesive layer are clamped in the liquid discharge hole.
Preferably, the inside fixedly connected with sand control loop bar of sand control external member, just the rotation breach has been seted up in the outside of sand control external member.
Preferably, the top of two-sided photovoltaic module is provided with the sand control adjusting sleeve, the spacing fixture block of sand control adjusting sleeve's inner wall fixedly connected with, sand control adjusting sleeve's inside sliding connection has the sand control telescopic link.
Preferably, the sand control adjustment sleeve is fixedly connected with a heat transfer guide plate inside, and a heat energy transfer rod is fixedly connected to the inner side of the heat transfer guide plate.
Preferably, the edge fixedly connected with of photovoltaic reflection of light cloth seals the magnetic stripe, it is provided with two to seal the magnetic stripe, and two seal the opposite side of magnetic stripe and seted up stable groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by designing the photovoltaic reflective cloth, the double-sided photovoltaic module, the photovoltaic fixed frame and other devices to be matched with each other, when photovoltaic power generation is carried out, the double-sided photovoltaic module and the photovoltaic reflective cloth are installed inside the photovoltaic fixed frame, solar rays transmitted from the double-sided photovoltaic module can be reflected through the photovoltaic reflective cloth, so that solar energy is absorbed at the bottom surface of the double-sided photovoltaic module, then along with the rise of temperature, the extension adjusting layer adhered to the top of the photovoltaic reflective cloth can extend downwards, the plated metal reflective film layer is extruded, the plated metal reflective film layer is unfolded, the focal length of a concave mirror integrally formed by the plated metal reflective film layer is increased, emitted light can be diffused and irradiated on the back surface of the double-sided photovoltaic module, the phenomenon that the temperature of the back surface of the double-sided photovoltaic module is rapidly increased due to excessive condensation at a certain position at the bottom of the module is avoided, the service life of the double-sided photovoltaic module is shortened, on the contrary, the focal length of the plated metal reflective film layer is shortened, when the solar rays are not strong, the light convergence capacity of the plated metal reflective film layer is enhanced, more reflected sunlight is irradiated on the back surface of the double-sided photovoltaic module, and the self-sided photovoltaic reflective cloth can achieve the adjustable effect;
2. according to the double-sided photovoltaic module, the clamping strips, the light energy receiving wafer, the sand prevention external member and other devices are designed to be matched with each other, after the double-sided photovoltaic module and the photovoltaic reflecting cloth are installed in the double-sided photovoltaic module through the photovoltaic fixing frame, the light energy receiving wafer can absorb sunlight irradiated on the front side and sunlight reflected by the photovoltaic reflecting cloth on the back side, meanwhile, the sand prevention partition plate fixedly connected to the top of the double-sided photovoltaic module is made of transparent glass, light can not be influenced when passing through the sand prevention partition plate, the bottom of the closed magnetic strip can be stabilized through the sand prevention partition plate at night, a closed space is formed by the sand prevention partition plate and the photovoltaic reflecting cloth clamped on the left side and the right side, the photovoltaic module is prevented from being abraded by wind and sand at night, and the effect of protecting the double-sided photovoltaic module is achieved;
3. according to the photovoltaic double-sided photovoltaic assembly, the clamping grooves, the closed bottom plate, the liquid discharge holes and other devices are designed to be matched with one another, when the double-sided photovoltaic assembly and the photovoltaic reflective cloth need to be installed, the photovoltaic reflective cloth can be placed inside the photovoltaic fixed frame firstly, then the photovoltaic reflective cloth is connected to the top of the closed bottom plate in an overlapping mode through the bottom layer film, the clamping strips slide to the inside of the photovoltaic fixed frame along the clamping grooves, and finally the front side of the photovoltaic fixed frame can be fixed quickly through the rotating assembly bolts, so that the effect of conveniently installing and fixing the photovoltaic reflective cloth and the double-sided photovoltaic assembly is achieved;
4. according to the invention, the reflecting layer, the liquid discharge groove, the reinforcing base cloth layer and other devices are designed to be matched with each other, the reinforcing base cloth layer is made of water-absorbing materials, liquid drops in a closed space formed between the double-sided photovoltaic module and the closed bottom plate can be absorbed, then water vapor generated after the liquid drops are gasified is discharged at the liquid discharge hole, and meanwhile, the edges of the metal-plated reflecting film layer, the reinforcing base cloth layer and the adhesive layer which are clamped in the liquid discharge hole can be clamped and fixed at the expansion part when the liquid drops are absorbed in the base cloth layer to expand, so that external water vapor can be prevented from entering the photovoltaic fixing frame;
5. according to the invention, through designing the mutual matching of the sand prevention external member, the sand prevention sleeve rod, the sand prevention adjusting sleeve and other devices, the sand prevention telescopic rod is sleeved on the outer surface of the sand prevention sleeve rod, the sand prevention adjusting sleeve is sleeved on the outer surface of the sand prevention telescopic rod, and the thermal expansion and cold contraction liquid is arranged in the sand prevention adjusting sleeve, so that the sand prevention telescopic rod can be controlled to stretch in the sand prevention adjusting sleeve along with the change of the environmental temperature, and the photovoltaic reflecting cloth which is clamped with the outer side of the sand prevention telescopic rod and exceeds the photovoltaic fixing frame is driven to rotate, and the effect of self-opening or self-closing of the space between the photovoltaic reflecting cloth and the sand prevention partition plate along with the environmental temperature is achieved;
6. according to the invention, through designing the limiting clamping block, the heat transfer guide sheet, the heat transfer rod and other devices to be matched with each other, the heat transfer rod on the inner side of the heat transfer guide sheet can release heat absorbed by the heat transfer guide sheet from an external space into the sand prevention adjusting sleeve, so that heat exchange between liquid in the sand prevention adjusting sleeve and the external space can be accelerated, the sliding speed of the sand prevention telescopic rod in the sand prevention adjusting sleeve is further accelerated, meanwhile, the sliding distance of the sand prevention telescopic rod in the sand prevention adjusting sleeve can be controlled through the limiting clamping block, and the situation that the photovoltaic reflective cloth cannot be positioned when the sand prevention telescopic rod is excessively slid is avoided;
7. according to the invention, through the design that the photovoltaic reflecting cloth, the closed magnetic strips, the sand prevention partition plate and other devices are mutually matched, when the temperature is lowered at night, the sand prevention telescopic rod is driven by the sand prevention adjusting sleeve to slide towards the direction close to the inside of the photovoltaic reflecting cloth, the photovoltaic reflecting cloth is pulled to rotate towards the inner side, and then when the photovoltaic reflecting cloth rotates to the top of the sand prevention partition plate, the joint at the edge connecting part of the photovoltaic reflecting cloth is closed through mutual attraction between the closed magnetic strips, so that a closed space can be formed between the photovoltaic reflecting cloth and the sand prevention partition plate, the phenomenon that the top of a double-sided photovoltaic assembly is abraded due to fog and sand during the night process is avoided, and the service life of the double-sided photovoltaic assembly is shortened.
Drawings
FIG. 1 is a cross-sectional view of the overall construction of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a schematic structural view of a bifacial photovoltaic module of the present invention;
FIG. 4 is a schematic view of a photovoltaic mounting frame according to the present invention;
FIG. 5 is a cross-sectional view of a photovoltaic reflector fabric of the present invention;
FIG. 6 is a schematic structural view of a metallized reflective film layer according to the present invention;
FIG. 7 is a cross-sectional view of a sand control modulating sleeve construction of the present invention;
FIG. 8 is a schematic drawing of the sand control adjustment sleeve of the present invention after it has been collapsed;
FIG. 9 is a schematic view of the self-alignment of the extrusion between the ductile metallic luminescent layer and the metallized luminescent layer of the present invention.
In the figure:
1. photovoltaic reflective fabric; 101. a stretch adjusting layer; 102. a transparent light-transmitting protective layer; 103. an adhesive layer; 104. plating a metal reflecting film layer; 1041. a light-reflecting layer; 1042. a liquid discharge tank; 105. a reinforcing base cloth layer; 106. a base layer film; 107. a sand control adjustment sleeve; 1071. a limiting clamping block; 108. the sand prevention telescopic rod; 109. a heat transfer guide; 1091. a thermal energy transfer bar; 110. sealing the magnetic strip; 2. a double-sided photovoltaic module; 201. clamping the strips; 202. a light energy receiving wafer; 203. a sand control kit; 2031. a sand prevention loop bar; 204. a sand control partition plate; 3. a photovoltaic fixed frame; 301. a clamping groove; 302. a closed bottom plate; 303. a drain hole; 304. and assembling the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1 to 9, the present invention provides a technical solution:
a desert photovoltaic reflective fabric capable of improving the light inflow amount comprises a photovoltaic reflective fabric 1, wherein a double-sided photovoltaic module 2 is lapped on the top of the photovoltaic reflective fabric 1, a photovoltaic fixed frame 3 is clamped on the outer surface of the photovoltaic reflective fabric 1, and the double-sided photovoltaic module 2 is clamped inside the photovoltaic fixed frame 3;
the photovoltaic reflective cloth 1 consists of an extension adjusting layer 101, a transparent light-transmitting protective layer 102, an adhesive layer 103, a metal-plated reflective film layer 104, a reinforcing base cloth layer 105 and a bottom layer film 106 which are mutually adhered;
through the technical scheme, when photovoltaic power generation is carried out, the double-sided photovoltaic module 2 and the photovoltaic reflecting cloth 1 are installed inside the photovoltaic fixed frame 3, the sunlight transmitted from the double-sided photovoltaic module 2 can be reflected through the photovoltaic reflecting cloth 1, solar energy is absorbed at the bottom surface of the double-sided photovoltaic module 2, then along with the rise of temperature, the extension adjusting layer 101 adhered to the top of the photovoltaic reflecting cloth 1 can extend downwards, the metal-plated reflecting film layer 104 is extruded, the metal-plated reflecting film layer 104 is unfolded, the focal length of a concave mirror integrally formed by the metal-plated reflecting film layer 104 is increased, emitted light can be divergently irradiated on the back surface of the double-sided photovoltaic module 2, excessive condensation at a certain position at the bottom of the module is avoided, the back surface of the double-sided photovoltaic module 2 is rapidly heated, the service life of the double-sided photovoltaic module 2 is shortened, on the contrary, the focal length of the metal-plated reflecting film layer 104 is shortened, when the sunlight is not strong, the light convergence capacity of the metal-plated reflecting film layer 104 is enhanced, more reflected sunlight is irradiated on the back surface of the photovoltaic double-sided photovoltaic module 2, the self-adjustable effect of the photovoltaic reflecting cloth 1 can be achieved, the extension adjusting layer can refer to the extension adjusting layer 101 in the drawing, the expansion range from the low temperature to the low temperature, the high temperature expansion range of the low temperature and the low temperature, and the high temperature expansion range of the high temperature expansion and low temperature expansion range in sequence, and low temperature expansion and common high temperature condition.
The outer surface of the double-sided photovoltaic assembly 2 is fixedly connected with a clamping strip 201, the interior of the double-sided photovoltaic assembly 2 is fixedly connected with a light energy receiving wafer 202, the top of the double-sided photovoltaic assembly 2 is fixedly connected with a sand prevention external member 203, and the top of the double-sided photovoltaic assembly 2 is fixedly connected with a sand prevention partition plate 204;
through the technical scheme, install two-sided photovoltaic module 2 and photovoltaic reflection of light cloth 1 inside its back through photovoltaic fixed frame 3, light energy receiving wafer 202 can absorb the sun light that openly shines and the back through the sun light of photovoltaic reflection of light cloth 1 reflection, simultaneously at two-sided photovoltaic module 2 top fixed connection's sand control baffle 204 be the clear glass material, can not pass to light and cause the influence, at night, can stabilize the bottom of sealing magnetic stripe 110 through sand control baffle 204, form the enclosure space with the photovoltaic reflection of light cloth 1 of left and right sides joint, it causes wearing and tearing to photovoltaic module to block the sand blown at night, reach the effect of protecting two-sided photovoltaic module 2.
The inner wall of the photovoltaic fixed frame 3 is provided with a clamping groove 301, the inner bottom wall of the photovoltaic fixed frame 3 is fixedly connected with a closed bottom plate 302, the front side of the photovoltaic fixed frame 3 is provided with a liquid discharge hole 303, and the front side of the photovoltaic fixed frame 3 is in threaded connection with an assembling bolt 304.
Through the technical scheme, when two-sided photovoltaic module 2 and photovoltaic reflection of light cloth 1 need be installed, can place photovoltaic reflection of light cloth 1 in the inside of photovoltaic fixed frame 3 earlier, then through the top of basement membrane 106 overlap joint at closed bottom plate 302, then through sliding the inside of photovoltaic fixed frame 3 along joint groove 301 with joint strip 201, it is fixed with the front of photovoltaic fixed frame 3 fast to finally pass through rotatory equipment bolt 304, reach the effect of convenient fixed photovoltaic reflection of light cloth 1 of installation and two-sided photovoltaic module 2.
In the process, the clamping groove 301 is arranged in the front, back, left and right directions of the inner wall of the photovoltaic fixing frame 3 and corresponds to the clamping strips 201 fixedly connected to the periphery of the outer surface of the double-sided photovoltaic module 2, the photovoltaic reflecting cloth 1 can be placed in the clamping groove 301, and the clamping strips 201 on the outer edge of the double-sided photovoltaic module 2 sliding into the clamping groove 301 in the follow-up process are protected.
As an embodiment of the invention, as shown in fig. 1 and fig. 5, the extension adjusting layer 101, the transparent light-transmitting protective layer 102, the metal-coated light-reflecting film layer 104, the reinforcing base fabric layer 105, and the bottom film 106 are adhered by an adhesive layer 103, the top of the extension adjusting layer 101 is overlapped with the bottom of the double-sided photovoltaic module 2, the extension adjusting layer 101 is made of a material with thermal expansion and cold contraction properties, the transparent light-transmitting protective layer 102 is made of an anti-reflection material, and the top of the metal-coated light-reflecting film layer 104 is plated with a light-reflecting metal coating.
The during operation, transparent printing opacity protective layer 102 adopts the antireflection material preparation, can be after light sees through two-sided photovoltaic module 2, when shining transparent printing opacity protective layer 102 on, more light sees through transparent printing opacity protective layer 102, shine metallisation reflection of light rete 104, simultaneously, the PVC material is passed through to the bottom on metallisation reflection of light rete 104 and is set off reflection of light metallic coating, make by thermal insulation material in bottom layer membrane 106 inside, avoid because photovoltaic fixed frame 3 is heated up by solar radiation, toast photovoltaic reflection of light cloth 1, reduce photovoltaic reflection of light cloth 1 life.
As an embodiment of the invention, as shown in fig. 4 and 6, the top of the metal-coated reflective film layer 104 is folded to form a reflective layer 1041, the bottom of the reflective layer 1041 forms a liquid discharge groove 1042, and the front surfaces of the metal-coated reflective film layer 104, the reinforcing base fabric layer 105, and the adhesive layer 103 are engaged with the inside of the liquid discharge hole 303.
During operation, reinforcing base cloth layer 105 is made by water-absorbing material, can adsorb the liquid drop in the enclosure space that forms between two-sided photovoltaic module 2 and closed bottom plate 302, and then through the vapor discharge after will liquid drop gasification in outage 303 department, simultaneously at the inside metal plated reflection of light rete 104 of the joint of outage 303, reinforcing base cloth layer and viscose layer 103's edge, can be when the inside absorption liquid drop of base cloth layer 105 expands, die to the inflation position card through outage 303, can avoid outside steam to enter into photovoltaic fixed frame 3's inside.
As an embodiment of the invention, as shown in fig. 3, 7 and 8, a sand prevention sleeve rod 2031 is fixedly connected inside the sand prevention sleeve 203, a rotation notch is formed on the outer side of the sand prevention sleeve 203, a sand prevention adjusting sleeve 107 is arranged on the top of the double-sided photovoltaic module 2, a limiting fixture block 1071 is fixedly connected on the inner wall of the sand prevention adjusting sleeve 107, and a sand prevention telescopic rod 108 is slidably connected inside the sand prevention adjusting sleeve 107.
The during operation, sand control telescopic link 108 has been cup jointed at sand control loop bar 2031 surface, and sand control adjusting sleeve 107 has been cup jointed to sand control telescopic link 108's surface, inside at sand control adjusting sleeve 107 is provided with expend with heat and contract with cold liquid, can be along with ambient temperature's change, control sand control telescopic link 108 is inside flexible at sand control adjusting sleeve 107, thereby drive and sand control telescopic link 108 outside joint, avoid surpassing 3 top photovoltaic reflection of light cloth 1 rotation ranges of photovoltaic fixed frame, reach and open or close the effect in space between photovoltaic reflection of light cloth 1 and the sand control baffle 204 along with ambient temperature oneself.
And the outside of above-mentioned in-process sand control external member 203 has seted up and has rotated the breach, can drive sand control telescopic link 108 flexible at sand control adjusting sleeve 107 for when the upset of photovoltaic reflection of light cloth 1, provide the lift slip space for the rotation of sand control telescopic link 108.
As an embodiment of the present invention, as shown in fig. 7, a heat transfer guide plate 109 is fixedly connected to the inside of the sand control adjusting sleeve 107, and a thermal energy transfer rod 1091 is fixedly connected to the inside of the heat transfer guide plate 109.
The during operation, heat transfer stick 1091 inboard at heat transfer guide sheet 109, can be to heat transfer guide sheet 109 from the absorptive heat of exterior space, release the inside of sand control adjusting sleeve 107, thereby can accelerate the heat exchange between the inside liquid of sand control adjusting sleeve 107 and the exterior space, and then accelerate the slip speed of control sand control telescopic link 108 in sand control adjusting sleeve 107 inside, can control sand control telescopic link 108 at the inside gliding distance of sand control adjusting sleeve 107 through spacing fixture block 1071 simultaneously, avoid sand control telescopic link 108 to slide excessively to lead to photovoltaic reflection of light cloth 1 to rotate and can not fix a position, the excessive condition of rotation appears.
As an embodiment of the present invention, as shown in fig. 1 and 8, the edge of the photovoltaic reflective fabric 1 is fixedly connected with two sealing magnetic strips 110, and two stabilizing grooves are formed on opposite sides of the two sealing magnetic strips 110.
The during operation, in the time of cooling at night, it slides to being close to the direction mutually in its inside to drive sand control telescopic link 108 through sand control adjusting sleeve 107, pulling photovoltaic reflection of light cloth 1 is rotatory to the inboard, when rotating the top of sand control baffle 204 after that, through inter attraction between the sealed magnetic stripe 110, seal the seam crossing of the marginal department of linking to each other of photovoltaic reflection of light cloth 1, thereby can form the enclosure space through between photovoltaic reflection of light cloth 1 and the sand control baffle 204, avoid at night in-process, because fog and sand blown by the wind cause wearing and tearing to two-sided photovoltaic module 2 tops, reduce its life.
The working principle is as follows: when the photovoltaic power generation device works, during photovoltaic power generation, the double-sided photovoltaic module 2 and the photovoltaic reflecting cloth 1 are installed inside the photovoltaic fixed frame 3, sunlight transmitted from the double-sided photovoltaic module 2 can be reflected through the photovoltaic reflecting cloth 1, so that solar energy is absorbed at the bottom surface of the double-sided photovoltaic module 2, then along with the rise of temperature, the extension adjusting layer 101 adhered to the top of the photovoltaic reflecting cloth 1 can extend downwards, the plated metal reflecting film layer 104 is extruded, the plated metal reflecting film layer 104 is unfolded, the focal length of a concave mirror integrally formed by the plated metal reflecting film layer 104 is increased, emitted light can be divergently irradiated on the back surface of the double-sided photovoltaic module 2, the phenomenon that the temperature of the back surface of the double-sided photovoltaic module 2 is sharply increased due to excessive condensation at a certain position of the bottom of the module is avoided, the service life of the double-sided photovoltaic module 2 is shortened, on the contrary, the focal length of the plated metal reflecting film layer 104 is shortened, the light convergence capability of the reflecting film layer 104 can be enhanced when the sunlight is not strong, more reflected sunlight can be irradiated on the back surface of the double-sided photovoltaic module 2, the self-adjustable photovoltaic reflecting cloth 1 can achieve the adjustable effect, the above process can refer to the extension range of the adjusting layer 101 in figure 9, the expansion range from low temperature to the general high temperature condition of the figure 9, and the general high temperature condition of the general high temperature figure;
based on the above, the transparent light-transmitting protective layer 102 is made of the antireflection material, so that after light passes through the double-sided photovoltaic module 2, when the light irradiates the transparent light-transmitting protective layer 102, more light passes through the transparent light-transmitting protective layer 102 and irradiates the metal-plated light-reflecting film layer 104, meanwhile, the bottom of the metal-plated light-reflecting film layer 104 supports the light-reflecting metal coating through the PVC material, and the bottom film 106 is made of the heat-insulating material, so that the photovoltaic reflective cloth 1 is prevented from being baked due to the fact that the photovoltaic fixing frame 3 is heated by solar irradiation, and the service life of the photovoltaic reflective cloth 1 is shortened;
based on the above, the reinforcing base fabric layer 105 is made of a water-absorbent material, and can absorb liquid drops in a closed space formed between the double-sided photovoltaic module 2 and the closed bottom plate 302, and then discharge water vapor generated by vaporizing the liquid drops at the liquid discharge holes 303, and the edges of the metallized reflective film layer 104, the reinforcing base fabric layer and the adhesive layer 103, which are clamped in the liquid discharge holes 303, can be clamped at the expansion part through the liquid discharge holes 303 when the liquid drops are absorbed in the base fabric layer 105 and expand, so that external water vapor can be prevented from entering the inside of the photovoltaic fixing frame 3;
based on the above, after the double-sided photovoltaic module 2 and the photovoltaic reflective cloth 1 are installed inside the photovoltaic fixing frame 3, the light energy receiving wafer 202 can absorb the solar rays irradiated from the front side and the solar rays reflected from the back side through the photovoltaic reflective cloth 1, meanwhile, the sand prevention partition plate 204 fixedly connected to the top of the double-sided photovoltaic module 2 is made of transparent glass, so that the light rays cannot be influenced to pass through, the bottom of the closed magnetic stripe 110 can be stabilized through the sand prevention partition plate 204 at night, a closed space is formed by the sand prevention partition plate and the photovoltaic reflective cloth 1 clamped on the left side and the right side, the photovoltaic module is prevented from being abraded by wind and sand at night, and the effect of protecting the double-sided photovoltaic module 2 is achieved;
based on the above further, the outer surface of the sand prevention sleeve rod 2031 is sleeved with a sand prevention telescopic rod 108, and the outer surface of the sand prevention telescopic rod 108 is sleeved with a sand prevention adjusting sleeve 107, a thermal expansion and contraction liquid is arranged inside the sand prevention adjusting sleeve 107, so that the sand prevention telescopic rod 108 can be controlled to extend and retract inside the sand prevention adjusting sleeve 107 along with the change of the environmental temperature, thereby driving the sand prevention telescopic rod 108 to be clamped with the outer side of the sand prevention telescopic rod, the rotation range of the photovoltaic reflecting cloth 1 on the top of the photovoltaic fixed frame 3 is prevented from being exceeded, the effect of opening or closing the space between the photovoltaic reflecting cloth 1 and the sand prevention partition plate 204 along with the self-opening of the environmental temperature is achieved, and the outer side of the sand prevention suite 203 is provided with a rotation notch, the sand prevention telescopic rod 108 can be driven to extend and retract by the sand prevention adjusting sleeve 107, so that when the photovoltaic reflecting cloth 1 is turned over, a lifting sliding space is provided for the rotation of the sand prevention telescopic rod 108;
based on the above, the heat energy transfer rod 1091 inside the heat transfer guide plate 109 can release the heat absorbed by the heat transfer guide plate 109 from the external space to the inside of the sand control adjusting sleeve 107, thereby accelerating the heat energy exchange between the internal liquid and the external space of the sand control adjusting sleeve 107, further accelerating the sliding speed of the sand control telescopic rod 108 in the sand control adjusting sleeve 107, and meanwhile, the sliding distance of the sand control telescopic rod 108 in the sand control adjusting sleeve 107 can be controlled through the limiting clamping block 1071, so as to avoid the photovoltaic reflective fabric 1 from rotating and being unable to be positioned due to excessive sliding of the sand control telescopic rod 108, and avoid the excessive rotation;
based on the above, when the temperature is reduced at night, the sand prevention adjusting sleeve 107 drives the sand prevention telescopic rod 108 to slide in the inside of the sand prevention telescopic rod to the approaching direction, the photovoltaic reflecting cloth 1 is pulled to rotate towards the inner side, then when the photovoltaic reflecting cloth is rotated to the top of the sand prevention partition plate 204, the joint of the edge connecting part of the photovoltaic reflecting cloth 1 is sealed through the mutual attraction between the sealing magnetic strips 110, so that a closed space can be formed between the photovoltaic reflecting cloth 1 and the sand prevention partition plate 204, the phenomenon that the top of the double-sided photovoltaic assembly 2 is abraded due to fog and sand wind in the night process is avoided, and the service life of the double-sided photovoltaic assembly is shortened;
based on the above, when the double-sided photovoltaic module 2 and the photovoltaic reflective fabric 1 need to be installed, the photovoltaic reflective fabric 1 can be placed inside the photovoltaic fixing frame 3, then the bottom layer film 106 is lapped on the top of the closed bottom plate 302, then the clamping strip 201 slides to the inside of the photovoltaic fixing frame 3 along the clamping groove 301, and finally the front side of the photovoltaic fixing frame 3 can be quickly fixed by rotating the assembling bolt 304, so that the effect of conveniently installing and fixing the photovoltaic reflective fabric 1 and the double-sided photovoltaic module 2 is achieved;
based on the above further, the setting of joint groove 301 and the photovoltaic fixed frame 3 inner wall around with control four directions, with two-sided photovoltaic module 2 surface fixed connection's joint strip 201 all around corresponding, can place the inside joint groove 301 with photovoltaic reflection of light cloth 1 earlier, protect follow-up joint strip 201 that slides to the inside two-sided photovoltaic module 2 outward flange of joint groove 301.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides an improve desert photovoltaic reflection of light cloth of light volume of intaking, includes photovoltaic reflection of light cloth (1), its characterized in that: the double-sided photovoltaic module (2) is lapped on the top of the photovoltaic reflective cloth (1), the photovoltaic fixed frame (3) is clamped on the outer surface of the photovoltaic reflective cloth (1), and the double-sided photovoltaic module (2) is clamped inside the photovoltaic fixed frame (3);
the photovoltaic reflective cloth (1) is composed of an extension adjusting layer (101), a transparent light-transmitting protective layer (102), an adhesive layer (103), a plated metal reflective film layer (104), a reinforcing base cloth layer (105) and a bottom layer film (106) which are mutually adhered;
the outer surface of the double-sided photovoltaic assembly (2) is fixedly connected with a clamping strip (201), the interior of the double-sided photovoltaic assembly (2) is fixedly connected with a light energy receiving wafer (202), the top of the double-sided photovoltaic assembly (2) is fixedly connected with a sand prevention external member (203), and the top of the double-sided photovoltaic assembly (2) is fixedly connected with a sand prevention partition plate (204);
a clamping groove (301) is formed in the inner wall of the photovoltaic fixed frame (3), a closed bottom plate (302) is fixedly connected to the inner bottom wall of the photovoltaic fixed frame (3), a liquid discharge hole (303) is formed in the front side of the photovoltaic fixed frame (3), and an assembling bolt (304) is connected to the front side of the photovoltaic fixed frame (3) in a threaded mode;
the extension adjusting layer (101), the transparent light-transmitting protective layer (102), the plated metal light-reflecting film layer (104), the reinforcing base cloth layer (105) and the bottom layer film (106) are adhered through an adhesive layer (103), the top of the extension adjusting layer (101) is in lap joint with the bottom of the double-sided photovoltaic module (2), the extension adjusting layer (101) is made of a material with thermal expansion and cold contraction, the transparent light-transmitting protective layer (102) is made of an antireflection material, and the top of the plated metal light-reflecting film layer (104) is plated with a light-reflecting metal coating;
the top of the metal-plated reflecting film layer (104) is folded to form a reflecting layer (1041), the bottom of the reflecting layer (1041) forms a liquid discharge groove (1042), and the front surfaces of the metal-plated reflecting film layer (104), the reinforcing base fabric layer (105) and the adhesive layer (103) are clamped inside the liquid discharge hole (303);
a sand prevention sleeve rod (2031) is fixedly connected inside the sand prevention external member (203), and a rotation notch is formed in the outer side of the sand prevention external member (203);
the top of two-sided photovoltaic module (2) is provided with sand control adjusting sleeve (107), the spacing fixture block of inner wall fixedly connected with (1071) of sand control adjusting sleeve (107), the inside sliding connection of sand control adjusting sleeve (107) has sand control telescopic link (108).
2. The desert photovoltaic reflective fabric capable of improving the amount of incoming light as claimed in claim 1, wherein: the sand control adjusting sleeve (107) is fixedly connected with a heat transfer guide sheet (109) in the inner part, and a heat energy transfer rod (1091) is fixedly connected to the inner side of the heat transfer guide sheet (109).
3. The desert photovoltaic reflective fabric capable of improving the quantity of incoming light as claimed in claim 1, wherein: the edge fixedly connected with of photovoltaic reflection of light cloth (1) seals magnetic stripe (110), it is provided with two to seal magnetic stripe (110), and two it has seted up stable groove to seal magnetic stripe (110) relative one side.
CN202210500546.8A 2022-05-06 2022-05-06 Desert photovoltaic reflective fabric capable of improving light inflow amount Active CN114744967B (en)

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CN105355672A (en) * 2015-11-30 2016-02-24 中信博新能源科技（苏州）有限公司 Application device for double-sided photovoltaic cells
WO2016145792A1 (en) * 2015-03-18 2016-09-22 深圳桃园大新智能穿戴技术有限公司 Fully-reflective material and preparation method therefor, and fully-reflective cloth
CN213072564U (en) * 2020-07-15 2021-04-27 浙江正泰新能源开发有限公司 Photovoltaic power plant intelligence reflection of light increase system
CN113098385A (en) * 2021-04-29 2021-07-09 华能陕西发电有限公司 Photovoltaic module with reflecting device
CN213716914U (en) * 2020-10-16 2021-07-16 湖北金龙新材料股份有限公司 Reflective cloth for double-sided solar cell panel

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MX2021008202A (en) * 2019-01-20 2021-08-24 Peter Graner Micro electric power station and micro grid.

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Publication number Priority date Publication date Assignee Title
WO2016145792A1 (en) * 2015-03-18 2016-09-22 深圳桃园大新智能穿戴技术有限公司 Fully-reflective material and preparation method therefor, and fully-reflective cloth
CN105355672A (en) * 2015-11-30 2016-02-24 中信博新能源科技（苏州）有限公司 Application device for double-sided photovoltaic cells
CN213072564U (en) * 2020-07-15 2021-04-27 浙江正泰新能源开发有限公司 Photovoltaic power plant intelligence reflection of light increase system
CN213716914U (en) * 2020-10-16 2021-07-16 湖北金龙新材料股份有限公司 Reflective cloth for double-sided solar cell panel
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