CN210289530U

CN210289530U - Intelligent glass system of high-efficient one-way light and heat transfer

Info

Publication number: CN210289530U
Application number: CN201822046246.9U
Authority: CN
Inventors: 付国东
Original assignee: Anhui Iannos Intelligent Technology Co ltd
Current assignee: Anhui Iannos Intelligent Technology Co ltd
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2020-04-10
Anticipated expiration: 2028-12-06

Abstract

The utility model discloses an intelligent glass system of high-efficient one-way light and heat transfer, be in including sunlight high efficiency absorption functional layer, setting the black body radiation strong reflection functional layer, the setting of sunlight high efficiency absorption functional layer one side are in black body radiation strong reflection functional layer is back to at least one sunlight transmission layer of sunlight high efficiency absorption functional layer one side, the region between black body radiation strong reflection functional layer and the sunlight transmission layer to and when the sunlight transmission layer is a plurality of, the region between the double-phase adjacent sunlight transmission layer is airtight cavity or vacuum heat convection suppression layer.

Description

Intelligent glass system of high-efficient one-way light and heat transfer

Technical Field

The utility model belongs to high-efficient controllable solar energy building energy conservation field of utilizing relates to an intelligent glass system of one-way transmission of light and heat.

Background

Energy conservation and environmental protection are the subjects of all mankind in the new century. The energy consumption of the building industry accounts for 26% of primary energy in 2006, and the figure is estimated to rise to more than 30% in 2020. In hot and humid areas, the consumption of building energy is more significant, accounting for about 1/3 to 1/2 of the total amount of national electricity. The electricity consumption of the unit building area in the residential year is 10-20kwh, while the electricity consumption of public buildings is much higher, and the annual electricity consumption of the unit building area can be up to more than 350 kwh. 60% of building energy consumption is dissipated through glass doors and windows.

The sunlight mainly comprises ultraviolet rays of 200-380 nm, visible light of 380-780 nm and near infrared rays of 780-2500 nm. In the solar cell, ultraviolet rays account for 3% of the total solar energy, visible rays account for 50% of the total energy, and near infrared rays account for 47% of the total solar energy. Solar light is radiated to the surface of the region and absorbed by an object, and is converted into blackbody radiation heat energy. There are two basic kinds of heat radiation in nature, which are solar radiation and far infrared heat radiation. According to the formula of energy transmitted through the glass: q630 Sc + U (T)_{Inner part}－T_{Outer cover}) [ Q-Heat transferred through the glass; sc-shading coefficient reflecting shading effect on sunlight; u is heat transfer coefficient, related to test condition, W/square meter K;]. The larger the value of Sc is, the more solar radiation which penetrates through the glass and enters the room is, and the smaller the value of Sc is; u represents the thermal conductivity, with greater thermal conductivity indicating less heat exchange through the black body radiating through the glass.

The increasing demand for energy saving in buildings requires that the black body radiant heat exchanged through the glass be as low as possible, i.e., the lower the U or K value, the better. Because of the requirement, people use the novel Low-E glass, the hollow glass, the vacuum glass, even the vacuum or hollow glass with three glasses, two cavities, four glasses and three cavities. The value of the Sc of the glass represents the amount of solar energy entering the room, namely the amount of heat; and how much visible light is, i.e., the brightness of the light. Obviously, the year is divided into spring, summer, autumn and winter; the solar energy demand and the visible light demand are different in different periods of time, namely, morning, noon and evening. In winter, people need more solar energy to enter the room, and in summer, people prevent solar heat from entering the room as much as possible; in the morning or evening, people need more visible light to get into indoor, indoor bright, and at noon, when sunshine shines directly onto the glass surface, more visible light gets into indoor, can produce and dazzle light, makes people uncomfortable, consequently needs to reduce visible light and gets into indoor.

Obviously, the requirement of energy saving and comfort, people hope to adjust the light transmittance of the glass according to the climate change, namely the change of light and temperature. Research shows that in summer, when the sun shading coefficient of the glass is reduced from 0.8 to 0.4, the whole refrigeration electric charge of the building can be reduced by 50 percent, and in winter, when the sun shading coefficient of the glass is increased from 0.4 to 0.8, the heating energy can also be reduced by more than 50 percent. It can be seen how it is important to save energy and comfort to change the shading coefficient of the glass in good time. However, most of the windows and doors on the market have constant shading coefficient. In order to achieve energy conservation and comfort, people often rely on external shading and internal shading facilities to adjust the Sc value of the glass. The interior sunshade can reduce dazzling light, blocks sunshine especially near infrared ray irradiation human body, improves the comfort. But solar energy enters the room through the glass, the indoor temperature cannot be reduced, and therefore energy is saved. The outer sunshade can prevent solar energy from entering the room, however, the outer sunshade facility has high cost, damages the beautiful appearance of the outer facade of the building, is difficult to clean up the falling ash, has limited service life, is difficult to install, has low safety factor and the like, and greatly limits the use and development of the outer sunshade facility.

Low emissivity Low-E glass has played an increasing role in the architectural glass market in recent years. The double-silver or triple-silver Low-E glass which is rapidly developed in recent years also has higher reflection capability to the near infrared ray of 800-2500 nm, so that the shielding coefficient can reach 0.4 to 0.2. However, the shielding coefficient of the Low-E glass is always kept at a fixed value, and the solar heating value is lower in summer, so that energy conservation is facilitated; however, in winter, solar energy is low in heat gain, which is not beneficial to energy conservation and comfort.

Research shows that in summer, when the sun shading coefficient of the glass is reduced from 0.8 to 0.4, the whole refrigeration electric charge of the building can be reduced by 50 percent, and in winter, when the sun shading coefficient of the glass is increased from 0.4 to 0.8, the heating energy can also be reduced by more than 50 percent. Therefore, the development of a door and window system which does not depend on an external sunshade facility and can change between 0.8 and 0.2 according to the change range of the environment has a very special significance for building energy conservation. Particularly, the solar energy can be converted into solar heat through the specific combination of the glass, and the aim of unidirectional radiation of the solar heat can be fulfilled.

Therefore, the development of the photo-thermal unidirectional transfer glass system capable of turning 180-degree doors and windows has great significance for building energy conservation. At present, no door window which can realize photo-thermal one-way transfer after the door window is turned over and has good heat-insulating performance exists.

SUMMERY OF THE UTILITY MODEL

The technical problem is as follows: the utility model provides a can be when realizing shielding black body radiant heat in summer, realize effectively utilizing the black body radiant heat that the sunlight produced winter to indoor radiation transmission, energy-conserving high-efficient, green's high-efficient one-way photothermal transfer's intelligent glass system.

The technical scheme is as follows: the utility model discloses an intelligent glass system of high-efficient one-way light and heat transfer, be in including the high-efficient absorption functional layer of sunlight, setting the black body radiation strong reflection functional layer of sunlight high-efficient absorption functional layer one side, setting are in black body radiation strong reflection functional layer back to at least one solar light transmission layer of sunlight high-efficient absorption functional layer one side, the region between black body radiation strong reflection functional layer and the solar light transmission layer to and when the solar light transmission layer is a plurality of, the region between the two adjacent solar light transmission layers is airtight cavity or vacuum heat convection suppression layer, the sunlight high-efficient absorption functional layer is to the sunlight in the ultraviolet absorptivity be greater than or equal to 99%, to the sunlight in the near infrared absorption rate be greater than or equal to 95% glass, black body radiation strong reflection functional layer is to the sunlight transmissivity be greater than or equal to 85%, glass or coated glass having a reflectivity of greater than or equal to 95% of blackbody radiation heat.

Furthermore, in the system of the present invention, the wavelength of the ultraviolet light is 300-380 nm, the wavelength of the near infrared light is 760-doped 2500 nm, the transmittance of the black body radiation strong reflection functional layer to the solar light with the wavelength of 300-doped 2500 nm is greater than or equal to 85%, and the wavelength of the black body radiation heat is 3-100 μm.

Furthermore, in the system of the present invention, the hollow cavity of the thermal convection suppression layer is filled with argon, krypton, or xenon.

Furthermore, in the system of the utility model, the coated glass is obtained by coating one or more layers of the following materials on the surface of the ultra-white glass back to the sunlight high-efficiency absorption functional layer: aluminum doped zinc oxide, aluminum trifluoride doped zinc oxide, tin doped indium oxide or fluorine doped tin oxide.

Furthermore, in the system of the present invention, the thickness of each coating film on the black body radiation strong reflection functional layer is 100 plus 1000 nm.

Further, in the system of the present invention, the solar light transmission layer is made of ultra-white glass or a sheet having a light transmittance of more than 92%, and the sheet is made of poly terephthalate, polycarbonate or polyacrylate.

Further, the utility model discloses in the system, the material, structure and the function of solar light transmission layer are the same with black body radiation strong reflection functional layer, also are glass or coated glass more than or equal to 85% to solar light transmission rate promptly, to black body radiation heat reflectivity more than or equal to 95%.

Furthermore, in the system of the present invention, the sunlight high-efficiency absorption function layer is heat absorption glass with infrared, ultraviolet and visible light absorption capability, or heat absorption laminated glass prepared from laminated adhesive film and float glass.

Furthermore, in the system of the utility model, the heat absorption doubling film is a middle interlayer film material prepared by 0.2-5 parts by mass of near infrared nanometer absorption material, 30-60 parts by mass of film forming resin and 10-25 parts by mass of plasticizer through tape casting extrusion equipment;

the near-infrared nano absorption material is one or a mixture of more of tungsten oxide, sodium tungstate, potassium tungstate, cesium tungstate, antimony-doped tin dioxide, indium-doped tin dioxide, vanadium pentoxide, tungsten-doped vanadium pentoxide, yttrium oxide, zinc oxide, chromium oxide, cerium oxide and titanium dioxide nano particles;

the film-forming resin is polyvinyl butyral or ethylene-vinyl acetate copolymer;

the plasticizer is dioctyl phthalate or triethylene glycol diisocaprylate.

Further, the utility model discloses in the system, the heat absorption doubling film is the thermochromic heat absorption doubling film that following method prepared: 0.1-2 parts by mass of transition metal ions, 0.2-10 parts by mass of chromogenic ligands, 0.2-5 parts by mass of leuco ligands, 30-60 parts by mass of film-forming resins and 10-25 parts by mass of plasticizers are prepared by a tape casting extrusion device;

the transition metal ion is Fe (II), Co (II), Cu (II), Ni (II) or Mn (II) transition metal ion;

the chromogenic ligand is halide, N (R)₃、P(R)₃、N⁺(R)₃R₁X^-、P⁺(R)₃R₁X^-One or more of imidazole compounds, thiophene compounds, pyridine compounds, purine compounds, furan compounds, imidazoline compounds and benzimidazole organic compounds are mixed, wherein the benzimidazole organic nitrogen compound is benzimidazole organic nitrogen compound or benzimidazole organic phosphorus compound;

the leuco ligand is one or a mixture of more of α alcohol hydroxyl surface modified or β alcohol hydroxyl surface modified tungsten oxide, sodium tungstate, potassium tungstate, cesium tungstate, antimony-doped tin dioxide, indium-doped tin dioxide, vanadium pentoxide, tungsten-doped vanadium pentoxide, yttrium oxide, zinc oxide, chromium oxide, cerium oxide and titanium dioxide nano particles;

the film-forming resin is polyvinyl butyral, an ethylene-vinyl acetate copolymer or an ethylene methacrylic acid copolymer, and the plasticizer is dioctyl phthalate or triethylene glycol diisocaprylate.

The utility model discloses glass system includes that what arrange according to specific position has sunlight high efficiency and absorbs functional layer, black body radiation strong reflection functional layer, heat convection suppression layer. The utility model discloses glass system when using, with the two-way closed door and window installation that can overturn that can realize 180 degrees upset location, the two cooperation is used, can carry out 180 degrees upsets and two-way closure according to season and indoor outer temperature condition, uses when summer, and the high-efficient functional layer that absorbs of sunlight is in outdoor side, and it absorbs 99% ultraviolet ray, and 95% near infrared light and a quantitative visible light change the black body radiant heat into. The heat convection inhibiting layer formed by the black body radiation strong reflection functional layer and one or more hollow and vacuum cavities has the synergistic effect that more than 90% of the black body radiation heat is shielded outdoors. When the solar heat absorber is used in winter and needs solar heat indoors, the door and the window are turned over by 180 degrees and then closed, the solar energy high-efficiency absorption glass layer is positioned at the indoor side, more than 95 percent of sunlight of 380-2500 nm is absorbed by the sunlight high-efficiency absorption functional layer at the indoor side and converted into black body radiation heat, and the black body radiation heat is transmitted to the indoor radiation.

The utility model discloses an among the glass system, 99% ultraviolet ray in the sunlight (300 ability 2500 nanometers) can high-efficiently be absorbed to the high-efficient absorbed layer of sunlight, near infrared light and a certain amount visible light more than 95% to turn into black body radiant heat with absorptive sunlight. The solar light intensity reflection glass functional layer can highly reflect sunlight with the wavelength of 3-100 microns, the reflectivity of the solar light intensity reflection glass functional layer is greater than 95%, but the solar light intensity reflection glass functional layer has 80-90% transmittance for the sunlight with the wavelength of 300-2500 nanometers. The thermal convection suppression layer is composed of a hollow cavity or a vacuum cavity filled with inert gas, and can suppress the convective heat transfer of the gas. The solar light high-efficiency absorption functional layer, the black body radiation strong reflection functional layer and the heat convection inhibition functional layer can form an intelligent glass system with unidirectional light-heat transfer according to a specific arrangement mode. When the solar light absorption layer is positioned outside the room, the sunlight high-efficiency absorption layer efficiently absorbs 99% of ultraviolet rays, 95% of near infrared rays and a proper amount of visible light, and converts the sunlight into heat, namely blackbody radiation heat (2.5-100 mu m), and more than 90% of the blackbody radiation heat is radiated and transmitted to the outside of the room in a single direction by virtue of the synergistic action of the blackbody radiation strong reflection functional layer and the heat convection inhibition layer. When the high-efficient functional layer that absorbs of solar energy was in the indoor side, under the effect on blackbody radiation strong reflection functional layer and heat convection suppression layer, the utility model discloses a glass system can make the sunlight more than 85% see through, and the high-efficient functional layer that absorbs of sunlight will absorb 380 and 2500 nanometer sunlight and turn into black body radiant heat. The high-efficiency unidirectional photothermal transfer glass system enables 90% of blackbody radiation heat to be radiated to the room in a unidirectional mode. The photo-thermal unidirectional transmissionThe intelligent glass system that passes is used with the upset door and window system that can fix in two ways matching, realizes when not needing solar heat, with its high-efficient shielding, and glass system has good sunshade thermal-insulated effect, S_CAs low as 0.2-0.3; when solar heat is required, the door and window glass becomes a heating sheet, S_CAnd if the sunlight temperature is more than 0.8, the sunlight is converted into solar heat to supply heat indoors.

The solar light is light with the wavelength of 300-. Wherein, ultraviolet ray occupies about 3% of solar energy, visible light occupies 50% of the total solar energy, and near infrared ray occupies 47% of the total solar energy. Sunlight irradiates the surface of an object on the earth, and is absorbed and converted into black body radiation heat with the wavelength of 2.5 micrometers to 100 micrometers. The common energy transfer formula for glazings is: 630Q 630x S_C+ U x (Δ T), wherein S_CRefers to the sun-shading coefficient of the glass, U represents the heat transfer coefficient of the glass of the door and window, and Delta T refers to the indoor and outdoor temperature difference. As can be seen from the above formula, when the summer is hot, more solar heat is not needed to enter the room, so S is hoped to be used_CThe smaller the value, the better. In winter, more solar heat is needed indoors, so S is needed_CThe larger the value, the better. S of conventional glass_CThe value is constant and can only be adjusted by external sun-shading equipment_CThe value is obtained. In summer, the solar heat needs to be shielded, and ultraviolet rays, near infrared rays and certain visible light need to be shielded. S traditionally changed by means of external sun-shading equipment_CThis shading is not selective, and not only shades ultraviolet, near infrared, but also visible light. The use of the external sunshade not only shields the sight, but also turns on the lamp to maintain the indoor illumination. The solar incident angle in winter is low, so more sunlight is emitted into the room. More solar heat is needed in winter, and the traditional glass is S_CThe value is high, the efficiency of converting black body radiation heat is not high, and simultaneously more visible light causes glare in a room. The indoor illumination is too high and not comfortable.

The sunlight efficient absorption functional layer can have strong absorption in the 300-2500 nm waveband, particularly in the 300-380 ultraviolet region and in the 760-2500 nm near-infrared region. Meanwhile, the material has moderate absorption in the visible light region of 380-760 nm. The glass with the efficient sunlight absorption function layer can be float glass with near infrared, ultraviolet and visible light absorbers mixed in the body, namely heat absorption glass, or can be laminated glass prepared from a laminated film with infrared, ultraviolet and visible light capabilities and common float glass, or can be laminated glass prepared from a thermochromic laminated film and common float glass. The utility model discloses an among the optimization scheme, black body radiation strong reflection functional layer is less than 2% to the sunlight reflection.

Use the utility model discloses behind the system, in summer, glass is shown placing as figure 2(a), photothermal response membrane doubling glass is in outdoor side, the photothermal response membrane of glass system is with nearly 95% near infrared light, partial visible light and 99% ultraviolet absorption turn into black body radiant heat, because the vacuum cavity, the specific position on well cavity and specific coated glass's low emissivity layer is placed, black body radiant heat can only radiate to outdoor side, it is the visible light to get into indoor, and along with outdoor ambient light strong and weak, get into indoor visible light and independently adjust. In winter, the glass is as shown in fig. 2(b), the photothermal response film laminated glass is positioned at the indoor side, more than 85% of sunlight can enter the photothermal response film laminated glass layer through the coated glass, 95% of near infrared light, 99% of ultraviolet light and part of visible sunlight are converted into black body radiation heat, and the special black body radiation heat of the coated glass can only radiate towards the indoor, so that the window glass becomes a high-efficiency solar heating plate.

The heat absorption glass adopted by the sunlight high-efficiency absorption functional layer can also be prepared from the following raw materials:

(1)SiO₂70.0 to 71.0 parts by mass

(2) Al2O32.0-3.0 parts by mass

(3) CaO 7.0-8.5 parts by mass

(4) MgO 3.5-4.5, part by mass

(5)R₂14.0 to 15.0 portions of O

(6)Fe₂0.3-0.7 part by mass of O

(7) 0.4 to 0.5 mass portion of SnO

Melting the materials into liquid at 1480-1600 ℃, forming the liquid materials through a tin bath, annealing in an annealing kiln, and preparing the heat absorption glass, wherein the ferrous iron content in the glass accounts for 40-60% of the total iron content. The visible light transmittance of the heat-absorbing glass with the thickness of 6mm is more than 70 percent, the 300-380 ultraviolet absorption rate is more than 90 percent, and the near infrared absorption at 760-2500 nm is more than 85 percent.

The utility model discloses in, the high-efficient functional layer that absorbs of sunlight also can be the heat absorption doubling film through control ultraviolet absorbent, visible light absorbent and near infrared ray absorbent to with the more efficient doubling glass of ordinary float glass clamp preparation.

The heat-absorbing color-changing heat-absorbing rubber sandwich can also be prepared by 0.1-2 parts by mass of transition metal ions, 0.2-10 parts by mass of chromogenic ligands, 0.2-5 parts by mass of leuco ligands, 30-60 parts by mass of film-forming resins and 10-25 parts by mass of plasticizers through a tape casting extrusion device. The thermochromic heat-absorbing laminated film is a middle interlayer film material prepared from 0.2-5 parts by mass of a leuco ligand, 30-60 parts by mass of a film-forming resin and 10-25 parts by mass of a plasticizer through a casting extrusion device. Tungsten oxide, sodium tungstate, potassium tungstate, cesium tungstate, antimony-doped tin dioxide, indium-doped tin dioxide, vanadium pentoxide, tungsten-doped vanadium pentoxide, yttrium oxide, zinc oxide, chromium oxide, cerium oxide and titanium dioxide nanoparticles have a strong absorption function in the near-infrared 760-doped 2500-nanometer waveband, and can be used as a leuco ligand when alcoholic hydroxyl groups are introduced to the surfaces of the materials. When the diameter of the nano particles is 1-200 nanometers, the nano particles do not absorb and reflect visible light of 380-760 nanometers, so that the nano particles can be used for preparing transparent near-infrared absorption materials. Iron oxide (Fe) with diameter of 10-100 nm₃O₄) Copper chromite (CuCr)₂O₄) Nickel oxide (NiO), molybdenum disulfide (MoS)₂) And graphene and the like have wide absorption but no scattering to the visible light 380-760, and are good visible light absorbers. Benzophenones such as 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone and the like, and benzotriazole ultraviolet absorbersSuch as 2- (2 ' -hydroxy-5 ' -methylphenyl) benzotriazole, 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chlorobenzotriazole, etc., which can have strong absorption at the wavelength of 300-. It is also commonly used as an ultraviolet light stabilizer, preventing the degradation of the resin, and is a good ultraviolet absorber. In the prior art, aluminum-doped zinc oxide, aluminum trifluoride-doped zinc oxide, tin-doped indium oxide or fluorine-doped tin oxide are used in solar cells. The better its conductivity, the lower the radiation value, the more reflective it is to black body radiation.

Polyvinyl butyral and polyethylene-vinyl acetate copolymers are commonly used as resins for making glass laminating films. One or more of dimethyl succinate, dimethyl glutarate, dimethyl adipate, dibutyl adipate, diisobutyl adipate, dimethyl phthalate, triethylene glycol diisocaprylate and other compounds are added into the system to be used as a plasticizer, so that the fluidity, the flexibility and the cold resistance of the interlayer film are improved.

The utility model discloses a heat absorption film is counted with part by mass, and its constitution can include:

50-80 parts of resin powder

5-30 parts of plasticizer

0.01-2 parts of near-infrared light absorption nano particles

0.01-1 part of visible light absorbent

0.1-3 parts of ultraviolet absorbent

0.5-5 parts of antioxidant

The manner of producing the heat-absorbing interleaf sheets by the cast extrusion process is explained below.

The first heat absorption doubling film:

0.01 part of cesium tungstate nanoparticles, 0.2 part of antimony-doped tin dioxide, 50 parts of polyvinyl butyral, 15 parts of dibutyl adipate, 0.2 part of 2, 6-di-tert-butyl-p-phenol, 0.5 part of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, 0.1 part of 2, 4-dihydroxy benzophenone and 0.3 part of calcium stearate are granulated by a double-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 10 cm and a thickness of 0.3 mm. The die temperature of the casting extruder was 125 ℃.

The second heat absorption doubling film:

0.01 part of cesium tungstate nano particles, 0.2 part of antimony-doped tin dioxide, 0.8 part of indium-doped tin dioxide, 0.2 part of zinc oxide, 53 parts of polyvinyl butyral, 15 parts of dibutyl adipate, 0.1 part of dioctadecyl diphosphite, 0.2 part of dilauryl thiodipropionate, 0.5 part of 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chlorobenzotriazole, 0.1 part of 2, 4-dihydroxy benzophenone and 3 parts of triethylene glycol diisocaprylate are granulated by a double-screw extruder. The temperature of the melting section of the screw extruder is 140 ℃, and the temperature of the die orifice is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 10 cm and a thickness of 0.3 mm. The die temperature of the casting extruder was 125 ℃.

The third heat absorption doubling film:

0.1 part of antimony-doped tin dioxide, 0.1 part of tungsten-doped vanadium pentoxide, 1 part of cerium oxide, 0.01 part of titanium dioxide, 0.2 part of antimony-doped tin dioxide, 0.2 part of zinc oxide, 80 parts of polyethylene-vinyl acetate copolymer, 15 parts of dimethyl succinate, 5 parts of dimethyl phthalate, 0.1 part of dioctadecyl phosphite, 0.2 part of dilauryl thiodipropionate, 0.5 part of 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chlorobenzotriazole, 0.1 part of 2, 4-dihydroxy benzophenone, 3 parts of triethylene glycol diisocaprylate, 0.01 part of nickel oxide (NiO), and molybdenum disulfide (MoS)₂)0.2 part by weight, and granulating by a double-screw extruder. The temperature of the melting section of the screw extruder is 140 ℃, and the temperature of the die orifice is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 10 cm and a thickness of 0.3 mm. The die temperature of the casting extruder was 135 ℃.

The fourth heat absorption doubling film:

0.1 portion of antimony-doped stannic oxide, 0.1 portion of yttrium oxide, 80 portions of polyethylene-vinyl acetate copolymer, 15 portions of dibutyl adipate, 5 portions of dimethyl phthalate, 0.1 portion of 2, 6-di-tert-butyl-a-dimethylamino-p-cresol, 0.2 portion of diphenyl isooctanoate phosphite ester, 0.01 portion of 2, 6-di-tert-butyl-a-dimethylamino-p-cresol, and 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chloridizationBenzotriazole 0.5 parts, 2, 4-dihydroxybenzophenone 0.1 parts, and triethylene glycol diisooctanoate 3 parts, iron oxide (Fe)₃O₄)0.01 part of graphene and 0.01 part of graphene, and granulating by a double-screw extruder. The temperature of the melting section of the screw extruder is 140 ℃, and the temperature of a die orifice is 125 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 10 cm and a thickness of 0.3 mm. The die temperature of the casting extruder was 135 ℃.

The efficient sunlight absorption laminated glass can be prepared by laminating the efficient sunlight absorption laminated rubber sheet and a common glass sandwich. The prepared high-efficiency sunlight absorption laminated glass has the absorption of 300-380 nm being more than 99%, the absorption of 380-760 nm being 20-40%, and the absorption of 760-2500 nm being 90-95%. The prepared high-efficiency sunlight absorption laminated glass can be white glass float glass, ultra-white float glass, physically or chemically toughened white glass float glass or ultra-white glass float glass. Preferably ultra-white float glass, which is physically or chemically tempered.

The thermochromic rubber interlining sheet can be prepared by extrusion casting of ultraviolet-infrared absorbing nanoparticles containing α alcoholic hydroxyl or β alcoholic hydroxyl on the surface, halide, organic nitrogen compound and/or phosphorus compound and polyvinyl butyral or polyethylene-vinyl acetate copolymer, plasticizer, antioxidant and the like by using transition metal ions.

The transition metal ions are one or more of Fe (II), Co (II), Cu (II), Ni (II), Mn (II) and Cr (II).

In a preferred embodiment of the photothermal response system of the present invention, the organic nitrogen compound and/or phosphorus compound is N (R)₃、P(R)₃、N⁺(R)₃R₁X^-、P⁺(R)₃R₁X^-One or more of imidazole compounds, thiophene compounds, pyridine compounds, purine compounds, furan compounds, imidazoline compounds and benzimidazole compounds, wherein R is aromatic group or alkyl, R is₁Is an alkyl group, and X is a halogen atom.

In a preferred embodiment of the photothermal response system of the present invention, the halide is an inorganic metal halide or a quaternary ammonium halide.

The utility model discloses leuco ligand in the heat absorption doubling film is α alcoholic hydroxyl surface modification or β alcoholic hydroxyl surface modification's tungsten oxide, sodium tungstate, potassium tungstate, cesium tungstate, mix antimony tin dioxide, mix indium tin dioxide, vanadium pentoxide, mix one or more of tungsten pentoxide, yttrium oxide, zinc oxide, chromium oxide, cerium oxide, titanium dioxide nano particle and mix, nano particle be 1-500nm, the hydroxyl content is 0.1mol-10 mol/kg. these modified nano particles play the effect of absorbing near infrared nature and temperature and sending the leuco body ligand that discolours simultaneously.

Benzophenones such as 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone, etc., and benzotriazole ultraviolet absorbers such as 2- (2 ' -hydroxy-5 ' -methylphenyl) benzotriazole, 2- (2 ' -hydroxy-3 ', 5 ' -di-t-phenyl) -5-chlorobenzotriazole, etc., which are capable of having strong absorption in the 300-380 nm band and converting the absorbed light into black body radiant heat. It is also commonly used as an ultraviolet light stabilizer, preventing the degradation of the resin, and is a good ultraviolet absorber.

2, 6-di-tert-butylphenol, 2, 4, 6-tri-tert-butylphenol, 2, 6-dioctadecyl-4-methylphenol, 2, 6-di-tert-butyl-a-dimethylamino-p-cresol, 2, 4-dimethyl-6-tert-butylphenol, 4, 4-bis (2, 6-di-tert-butylphenol), 4, 4-thiobis (6-tert-butyl-m-cresol) hexanediol [ B- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], triphenyl phosphite, diphenylisooctanoic acid phosphite, tris (2, 4-di-tert-butylphenyl) phosphite, pentaerythritol bis (octadecyl alcohol), dilauryl thiodipropionate, ditridecyl phosphite, Thiodipropionate polyester and pentaerythritol tetra (dodecyl thiopropionic acid) are good antioxidants and can be added into the heat-absorbing doubling film. The utility model discloses an in the preparation technology of heat absorption doubling film, can adopt the heat stabilizer, include but not limited to: calcium stearate, tin stearate, dibutyltin maleate, and the like. The synergistic effect of the heat stabilizer and the antioxidant has great effect on preventing resin from being oxidized and maintaining the physical and mechanical strength of the product when the laminated film is prepared by tape casting extrusion processing.

The resin film prepared by taking the resin as an auxiliary agent comprises the following components in parts by mass:

(1) 0.03-2.5 parts of transition metal ion

(2) α, β alcoholic hydroxyl surface modified heat absorption nanometer material 0.06-2 parts

(3) Organic nitrogen and phosphorus compounds; 0.1 to 5 portions

(4) A halide; 0.2 to 20 portions of

(5) 10-40 parts of plasticizer

(6) 60-90 parts of polymer resin

(7) 0.1-1 part of heat stabilizer

(8) 0.1 to 1 portion of antioxidant

(9) 0.01-0.5 part of ultraviolet absorbent

The embodiment of the utility model provides an in, the nanometer particle in the thermochromic heat absorption doubling film can surface modification, specifically can include:

first nanoparticle modification:

zinc oxide with the particle size of 5 nanometers, chromium oxide, cerium oxide, 1 kilogram of each particle, 3 kilograms of pentaerythritol and 15 kilograms of dioxane are ground and treated for two hours by a sand mill of zirconia particles with the particle size of 0.3 millimeter, and then the nano zinc oxide solution with the surface modified by the polyalcohol is obtained after the treatment.

Second nanoparticle modification:

50g of tungsten oxide particles having a particle diameter of 20 nm were dispersed in 2L of an anhydrous ethanol solution, and 5 ml of hydroxypropyl triethoxysilane was added. The reaction was stirred vigorously for 24 hours and then centrifuged to remove ethanol. The dried surface-modified nano tungsten oxide was dispersed into 2L dimethyl glutarate solution by a sand mill. The hydroxyl content was 2 mol/kg.

Third nanoparticle modification:

100 g of vanadium pentoxide nanoparticles having a particle size of 500nm were dispersed in 2L of an anhydrous ethanol solution. While stirring, 20ml of chlorobenzyltriethoxysilane was slowly added. The reaction was carried out for 24 hours with vigorous stirring. The reaction solution was deoxygenated by passing nitrogen through it for 20 minutes, and then 20g of cuprous chloride, 10 g of bipyridine and 200g of hydroxyethyl acrylate were added. The reaction solution was heated to 70 ℃ and reacted for 2 hours. And (3) carrying out centrifugal separation and drying to prepare 1905 g of surface-grafted vanadium pentoxide nanoparticles with the hydroxyl content of 5 mol/kg.

Fourth nanoparticle modification:

100 g of sodium tungstate nanoparticles having a particle size of 30 nm were dispersed in 2L of an anhydrous ethanol solution. 10 g of 2- (dodecyltrithiocarbonate) -2-isobutyric acid was slowly added with stirring. The reaction was carried out for 10 hours with vigorous stirring. Then, 2g of azobisisobutyronitrile and 50ml of benzyl alcohol based styrene were added to the solution. The reaction system was deoxygenated and then allowed to react at 70 ℃ for 12 hours. The prepared modified nanoparticles were dried by centrifugation. 130 g of modified nano particles are prepared, and the hydroxyl content is 2 mol/kg.

Fifth nanoparticle modification:

500 g of titanium dioxide nanoparticles having a particle size of 1 nm were added to 5 l of diisobutyl adipate, and then 40 g of polyvinyl butyral having a hydroxyl group content of 50 was added. The liquid was added to a sand mill using zirconia particles of 0.3 mm. The dispersion was treated with a sand mill for two hours to give a transparent dispersion. The hydroxyl content was 0.1 mol/kg.

Sixth nanoparticle modification:

200g of antimony-doped tin dioxide having a particle size of 100 nm was added to 3 liters of 1.3-butanediol, and 30ml of fluorodecyltriethoxysilane was slowly added under stirring. The reaction solution is reacted for 24 hours under strong stirring, and nitrogen is introduced into the reaction solution to remove oxygen for 20 minutes. And (3) treating the dried surface-modified nano antimony-doped tin dioxide sand mill for two hours to obtain the transparent dispersion liquid. Hydroxyl content 8 mol/kg.

Seventh nanoparticle modification:

50g of yttrium oxide having a particle size of 300 nm was added to 2L of glycerin, and 10ml of gamma-methacryloxypropyltrimethoxysilane was added under stirring. The reaction was carried out for 12 hours with vigorous stirring. Then 30ml of cyclohexane were added to the solution. The reaction system was deoxygenated and then allowed to react at 60 ℃ for 12 hours. The prepared modified nanoparticles were dried by centrifugation. 80 g of modified nano particles are prepared, and the hydroxyl content is 0.5 mol/kg.

Eighth nanoparticle modification:

the method comprises the steps of predrying cesium tungstate with the particle size of 60 nanometers in a vacuum drying oven at 80 ℃ for 4 hours, weighing 300g of cesium tungstate, adding the 300g of cesium tungstate into a wide-mouthed bottle of 3L of polyvinyl alcohol, carrying out ultrasonic dispersion for 30min, transferring the cesium tungstate into a three-mouthed flask, placing the three-mouthed flask into a constant-temperature water bath, stirring at a constant speed, adjusting the pH value by using NaOH and HCl, adding 20ml of gamma-glycidyl ether oxypropyl trimethoxysilane from a bottle mouth after uniformly stirring, reacting for 6 hours, taking out, filtering and washing, Soxhlet extracting the obtained solid by using absolute ethyl alcohol for 24 hours, and carrying out vacuum drying for 12 hours to obtain 412g of modified nanoparticles with the hydroxyl content of.

Ninth nanoparticle modification:

150g of chromium oxide with the particle size of 200 nanometers and 1 kg of trimethylolethane are added into 2L of glycol solution, 50ml of methacryloxypropyltrimethoxysilane is slowly added under the stirring condition, the mixture is intensively stirred for 10 hours, the mixture is cooled to room temperature and centrifuged, and the lower layer paste is put into an oven to be dried, thus obtaining 300g of modified nano chromium oxide with the hydroxyl content of 10 mol/kg.

Tenth nanoparticle modification:

20g of indium-doped tin dioxide with the particle size of 25nm, 1 kg of xylitol and 1 kg of sorbitol are ground for two hours by a sand mill of zirconium carbonate particles with the particle size of 0.3 mm, and the indium-doped tin dioxide solution with the surface modified by polyol is obtained after the grinding treatment.

The utility model discloses a heat absorption doubling film can be for following temperature-sensitive heat absorption doubling film that discolours:

the first thermochromic heat-absorbing laminated film comprises:

0.1 part of manganese nitrate, 0.2 part of the first modified nanoparticle, 1 part of the second modified nanoparticle, 0.4 part of tetraheptyl ammonium bromide, 1 part of silver chloride, 60 parts of polyvinyl butyral, 15 parts of dibutyl adipate, 0.2 part of 2, 6-di-tert-butyl-p-phenol and 0.3 part of dilauryl thiodipropionate were granulated by a twin-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 10 cm and a thickness of 0.3 mm. The die temperature of the casting extruder was 125 ℃.

The second thermochromic heat-absorbing laminated film comprises:

2 parts of cobalt nitrate, (1 part of the seventh modified nanoparticle) described above, (0.1 part of the third modified nanoparticle described above), 6 parts of 8-hydroxythiazoline, 0.2 part of silver bromide, 80 parts of polyvinyl butyral, 16 parts of dibutyl azelate, 0.05 part of 2- (2 ' -hydroxy-5 ' -methylphenyl) benzotriazole, 2 parts of 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chlorobenzene, 10 parts of 2, 4, 6-tri-tert-butyl-p-phenol, and 1 part each of tin stearate and dibutyltin maleate were granulated by a twin-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.4 mm. The die temperature of the casting extruder was 125 ℃.

The third thermochromic heat-absorbing laminated rubber sheet:

a film with a width of 0.5 mm and a thickness of 0.5 mm was prepared from 0.5 part of manganese bromide (the eighth modified nanoparticle), 5 parts of tris (diphenylethylphosphonoethyl) phosphorus, 5 parts of silver chloride, 90 parts of polyvinyl butyral, 15 parts of dibutyl adipate, 0.2 part of tris (2, 4-di-tert-butylphenyl) phosphite and 0.3 part of calcium stearate by means of a casting extruder. The die temperature of the casting machine is 125 ℃.

The fourth thermochromic heat-absorbing laminated rubber sheet:

0.2 part of nickel perchlorate, (the above second modified nanoparticle) 2 parts, (the above fifth modified nanoparticle) 0.1 part, 10 parts of tricyclohexylphosphorus, 10 parts of tetrabutylammonium bromide, 3 parts of calcium iodide, 90 parts of polyethylene-vinyl acetate copolymer, 10 parts of dimethyl succinate, 10 parts of dimethyl glutarate, 10 parts of dimethyl phthalate, 10 parts of triethylene glycol diisooctanoate, 0.01 part of 2, 4-dihydroxybenzophenone, 0.1 part of 2-hydroxy-4-methoxybenzophenone, 0.02 part of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, 0.5 part of 2, 4-dimethyl-6-di-tert-butyl-p-phenol, and 0.2 part of tin stearate are granulated by a twin-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.6 mm. The die temperature of the casting machine is 135 ℃.

The fifth thermochromic heat-absorbing laminated rubber sheet:

0.3 part of chromium chloride hexahydrate, (the sixth modified nano particle and the eighth modified nano particle) 2 parts, 4 parts of 8-hydroxythiazoline-5-sulfonic acid, 3 parts of silver iodide, 65 parts of polyethylene vinyl alcohol copolymer, 15 parts of dibutyl adipate, 0.2 part of triphenyl phosphite and 0.3 part of calcium stearate are granulated through a double-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.7 mm. The die temperature of the casting machine is 125 ℃.

A sixth thermochromic heat-absorbing laminated film:

1 part of copper sulfate, 0.2 part each of (the fourth modified nanoparticle and the tenth modified nanoparticle described above), 10 parts of triphenylphosphine, 10 parts of tetrabutylammonium bromide, 1 part of calcium iodide, 0.5 part of 2- (2 ' -hydroxy-3 ', 5 ' -di-t-phenyl) -5-chlorobenzotriazole chloride, 0.2 part of 2, 6-di-t-butyl-p-phenol, 0.3 part of 4, 4-thiobis (6-t-butyl-m-cresol) hexanediol [ B- (3, 5-di-t-butyl-4-hydroxyphenyl) propionate ], 1 part of tetradodecylthiopropionic acid pentaerythritol ester, 1 part of dibutyltin maleate, 70 parts of polyvinyl butyral, and 20 parts each of dimethyl glutarate and dimethyl adipate were granulated by a twin-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.7 mm. The die temperature of the casting machine is 125 ℃.

The seventh thermochromic heat-absorbing laminated rubber sheet:

0.1 part each of manganese chloride hexahydrate and zinc chloride, 0.1 part each of (the first modified nanoparticle, the fourth modified nanoparticle and the tenth modified nanoparticle described above), 0.4 part each of 3-methylthioquinoline, 10 parts of tetrabutylammonium bromide, 10 parts of tetrabutylphosphorus bromide, 0.2 part of silver chloride, 0.5 part of 2- (2 ' -hydroxy-3 ', 5 ' -di-t-phenyl) -5-chlorobenzotriazole, 0.2 part of 2, 6-di-t-butyl-p-phenol, 0.3 part of 4, 4-thiobis (6-t-butyl-m-cresol) hexanediol [ B- (3, 5-di-t-butyl-4-hydroxyphenyl) propionate ], 1 part of pentaerythrityl tetrakis (dodecylmercaptopropionate), 1 part of dibutyltin maleate, 70 parts of polyvinylbutyral, and 20 parts each of dimethyl glutarate and dimethyl adipate, And granulating by a double-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.7 mm. The die temperature of the casting machine is 125 ℃.

The eighth thermochromic heat-absorbing laminated rubber sheet:

green ferrous iron 2 parts, each of 0.1 parts (the first, fourth, and tenth modified nanoparticles described above), benzofuran 15 parts, ethyltriphenyl phosphorus iodide 5 parts, calcium iodide 5 parts, polyethylene-vinyl acetate copolymer 90 parts, dimethyl succinate 10 parts, dimethyl glutarate 10 parts, dimethyl phthalate 10 parts, triethylene glycol diisooctanoate 10 parts, 2, 4-dihydroxybenzophenone 0.01 parts, 2-hydroxy-4-methoxybenzophenone 0.1 parts, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole 0.02 parts, 2, 4-dimethyl-6-di-t-butyl-p-phenol 0.5 parts, and tin stearate 0.2 parts are granulated by a twin screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.6 mm. The die temperature of the casting machine is 135 ℃.

Ninth thermochromic heat-absorbing adhesive film:

0.1 part of nickel bromide, (0.2 parts of each of the seventh modified nanoparticle and the tenth modified nanoparticle), 0.4 part of triethylamine, 1 part of silver chloride, 60 parts of polyvinyl butyral, 15 parts of dibutyl adipate, 0.2 part of 4, 4-thiobis (6-tert-butyl-m-cresol), 0.3 part of calcium stearate, 0.05 part of 2-hydroxy-4-methoxybenzophenone, and 0.05 part of 2-hydroxy-4-n-octyloxybenzophenone were granulated by a twin-screw extruder. The melting section temperature of the screw extruder is 120 ℃, and the die orifice temperature is 145 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.7 mm. The die temperature of the casting machine is 110 ℃.

The tenth thermochromic heat-absorbing laminated film comprises:

cobalt nitrate, 2.5 parts each of ferrous sulfate, (each of the fifth and ninth modified nanoparticles described above) 0.2 parts, tri-n-octylphosphine 6 parts, silver bromide 0.2 parts, polyvinyl butyral 80 parts, 2-hydroxy-4-n-octyloxybenzophenone 0.4 parts, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole 0.1 parts, 4, 4-bis (2, 6-di-tert-butylphenol 0.5 parts, 4, 4-thiobis (6-tert-butyl-m-cresol) hexanediol [ B- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ]0.2 parts, tetrakis (dodecylthiopropionic acid) pentaerythritol ester 0.1 parts, tin stearate 0.1 parts, dimethyl phthalate, and triethylene glycol diisocaprylate 20 parts are passed through a twin screw extruder, a pelletizer, a melt zone temperature of 120 c, the die temperature was 135 ℃. The prepared pellets were passed through a casting extruder to prepare a film having a width of 20 cm and a thickness of 0.7 mm. The die temperature of the casting machine is 110 ℃.

The thermochromic efficient sunlight-absorbing heat-absorbing laminated glass can be prepared by laminating the thermochromic efficient sunlight-absorbing heat-absorbing laminated film and a common glass sandwich. The prepared high-efficiency sunlight absorption laminated glass can be white glass float glass, ultra-white float glass, physically or chemically toughened white glass float glass or ultra-white glass float glass. Preferably ultra-white float glass, which is physically or chemically tempered. The prepared thermochromic laminated glass with high solar absorption efficiency has the absorption of 300-380 nm being more than 99% and the absorption of 760-2500 nm being 90-95%. In the visible light wave band of 380-760 nm, the absorption rate is increased from 20% to 60% along with the temperature change of 0-70 ℃.

Sunlight is well absorbed by the sunlight high-efficiency absorption layer and is efficiently converted into heat energy, namely, the temperature of the glass of the sunlight high-efficiency absorption functional layer is rapidly increased. The wavelength at ambient temperature 25 degrees celsius is about 15 microns. If a layer of specific metal or metal oxide is plated on the surface of the glass, the reflection of the glass in a wave band of 3 micrometers to 100 micrometers is greatly improved. The heat radiation value of the common glass is 0.84, the traditional silver-plated glass products such as single silver glass, double silver glass and three silver glass have higher reflectivity in a wave band of 3-100 microns and can have lower heat radiation coefficient, and the e value of the three silver glass can reach 0.02-0.03 at the lowest. However, the silver-plated low-emissivity glass has higher reflectivity in a near infrared band of 760-2500 nm, the single-silver low-e glass has a near infrared reflectivity of more than 60%, the double-silver low-e glass has a near infrared reflectivity of more than 90%, the three-silver low-e glass has a near infrared reflectivity of more than 95%, and the reflection characteristic of the low-e glass can prevent the near infrared in sunlight from reaching the sunlight efficient absorption layer to influence the sunlight heat conversion efficiency. The utility model discloses one-way light and heat transfer intelligent glass system's blackbody radiation functional layer requires to have highly to see through, extremely low reflectivity at 300 supple with electricity 2500 nanometer wave bands. Therefore, the blackbody radiation strong reflection layer needs to select a metal or metal oxide layer with a specific thickness, so that the transmittance in the wavelength band of 300-2500 nm is more than 85%, and the reflection in the wavelength band of 3-100 μm is more than 95%. The black body radiation reflectivity can also be embodied by the thermal emissivity, the rate of common glass is 0.84, and the reflectivity of the coating surface is between 0.2 and 0.02.

The black body radiation strong reflection glass functional layer can be formed by plating one or more layers of 50-1500 nm Al on the surface of ultra-white float glass in a vapor deposition, vacuum evaporation or magnetron sputtering mode₂O₃+ZnO(Al₂O₃Content of 2-3%) In₂O₃+SnO₂(SnO₂8-15%) SnO₂+F，ZnO+F，Al₂O₃+ ZnO + F, etc. Preferably 600-700 nm thick In₂O₃+SnO₂400-800 nm thick Al₂O₃+ ZnO and 200-600 nm thick Al₂O₃+ ZnO + F. In the process of vapor deposition and sputtering, the temperature of the glass substrate also influences the transmittance of the functional layer in the wavelength range of 300-2500 nm and the reflectivity in the wavelength range of 3-100 microns. The preferred temperature is 100-400 degrees celsius.

Gas convection is one of the primary ways of heat transfer. Reducing gas convection is one of the primary ways to inhibit heat transfer. The convection suppression layer of the unidirectional photothermal transfer intelligent glass system is formed by forming a closed cavity between the heat absorption layer and the light transmission layer. It may be a vacuum layer or a spacer layer filled with an inert gas. The vacuum layer has a thickness of 0.1-0.3 mm, a vacuum degree of 1-10pa, and filled with inert gas such as nitrogen, helium (He), neon (Ne), argon (Ar), and krypton (Kr). The light transmission layer can be made of ultra-white glass, ultra-white glass plated with black body radiation heat strong reflection and a poly-p-terephthalate, polycarbonate or polyacrylate sheet with the sunlight transmittance of more than 92 percent. The thickness of the gas spacer layer is 6-18 mm, preferably 12-16 mm.

The utility model discloses an intelligent glass system of one-way light and heat transfer is by the high-efficient functional layer of absorbing of sunlight, black body radiation strong reflection functional layer and heat convection suppression layer according to the preparation of specific position combination. Fig. 1(a) to 1(c) show a smart glass system for one-way photothermal transfer prepared from a high efficiency sunlight absorbing heat absorbing glass and a high efficiency sunlight absorbing laminating film and a high efficiency sunlight absorbing thermochromic laminating film. In fig. 1(a) to 1(c), 1 is a solar light efficient absorption functional layer, the first surface of which from left to right is subjected to non-plating treatment, and the emissivity is 0.84. The second surface of the sunlight high-efficiency absorption functional layer is a blackbody radiation strong reflection functional layer, and the transmittance of the sunlight high-efficiency absorption functional layer to 300-2500 nm is required to be higher than 85%, and the reflection of the sunlight high-efficiency absorption functional layer in a range of 3-100 microns is required to be higher than 95%. The functional layer glass with efficient sunlight absorption needs to be strengthened by a chemical or physical method. The sunlight high-efficiency absorption function layer can be laminated glass and is formed by laminating chemical or physical strengthening or semi-strengthening colored or ultra-white float glass. The thermal convection suppression layer may be a vacuum layer or a spacer layer filled with an inert gas. The vacuum layer has a thickness of 0.1-0.3 mm, a vacuum degree of 1-10pa, and filled with inert gas such as nitrogen, helium (He), neon (Ne), argon (Ar), and krypton (Kr). The thickness of the gas spacer layer is 6-18 mm, preferably 12-16 mm.

When sunlight irradiates the functional layer of high-efficiency absorption of sunlight among sunlight, 99% of ultraviolet rays and a proper amount of visible light are larger than 95% of near infrared light and are converted into heat. Due to the synergistic effect of the 2, 4 and 6-surface blackbody radiation strong reflection functional layer and the heat convection inhibition layer of the glass system, more than 95% of heat generated by the sunlight high-efficiency absorption functional layer is transferred to the first surface direction. When sunlight irradiates the one-way photo-thermal transfer intelligent glass system, the blackbody radiation strong reflection functional layer allows more than 85% of sunlight in the 300-2500 waveband to penetrate through, and the sunlight efficiently absorbs the functional layer and is converted into heat. Due to the synergistic effect of the black body radiation strong reflection functional layer and the heat convection inhibition layer, more than 95% of heat generated by the sunlight high-efficiency absorption functional layer is transmitted to the first surface in a single direction. The unidirectional photothermal transfer intelligent glass system has ultralow heat transfer absorption, and the k value of the system can be lower than 0.4.

Has the advantages that: compared with the prior art, the utility model, have following advantage:

common hollow glass, particularly Low-E hollow glass, has good heat insulation effect and Low heat conductivity coefficient, and the Low-E glass has reflection effect on near infrared rays and black body radiation heat, even has certain reflection effect on visible light, but has Low reflection effect on black body radiation. The common commercially available Low-E glass has a Low heat radiation value for black body radiation heat of 3-100 microns, and the glass has a high reflection coefficient for near infrared rays of 760 + 2500 nm. For the reflection of 760-2500 nm (located in the near infrared spectrum), the common single-silver Low-E glass can reach 70%, the double-silver Low-E glass can approach 90%, and the three-silver Low-E glass has the reflection over 95%. The hollow Low-E glass has better heat insulation efficiency especially when the Low-E film is positioned on the indoor side of the glass. However, due to its reflective characteristic, when the Low-E insulating glass is turned over, its sun-shading coefficient will be slightly changed (about 0.1-0.2), i.e. although it has better heat-insulating property in summer, the solar utilization is very Low in winter.

The utility model discloses the theory of operation of glass system when summer does: the sunlight high-efficiency absorption functional layer faces outdoors, the sunlight transmission layer faces indoors, the sunlight high-efficiency absorption layer absorbs most ultraviolet rays, near infrared rays, partial visible light and the like and then converts the ultraviolet rays, the near infrared rays, the partial visible light and the like into black body radiant heat, the black body radiant heat is reflected outdoors by the black body radiant strong reflection functional layer, and meanwhile, the heat convection inhibition layer is used for inhibiting heat conduction, so that indoor lighting is met, and indoor temperature rise caused by sunlight incidence is avoided. The utility model discloses glass system's operating mechanism when winter does: turn over 180 degrees with door and window, the sunlight transmission layer is outdoor, the sunlight high efficiency absorption functional layer is indoor, most sunlight can see through sunlight transmission layer and black body radiation strong reflection functional layer, turn into heat energy at the sunlight high efficiency absorption layer on the one hand, give off to indoor, make whole glass become the heating plate, play the effect of "opening the source", on the other hand, black body radiation strong reflection functional layer is with indoor temperature production, especially the black body radiation that indoor heating equipment produced, and the black body radiation that the sunlight high efficiency absorption layer produced reflects indoor again, greatly reduced indoor heat is lost, the effect of "throttle" has been played. The utility model discloses this kind of motivation operating mechanism of system and mode principle are ingenious, have improved that the effect that heats of energy-conserving heat preservation in winter greatly, and the at utmost utilizes and has brought into play the technical benefit of this kind of mechanism of 180 degrees upset doors and windows.

The utility model discloses an one-way light and heat transfer intelligence glass system, its sunlight high-efficient absorbed layer have 99% absorption to 300 supplyes 380 nanometer's ultraviolet ray, 760 supplyes 2500 nanometer's near-infrared has more than 95% absorption, has moderate absorption to 380 supplyes 760 nanometer's visible light, turns into black body radiant heat after the absorbed sunlight. The transmitted black body radiation heat is radiated in a single direction through the synergistic action of the black body radiation strong reflection functional layer and the heat convection inhibition layer. Particularly, the black body radiation strong reflection functional layer of the unidirectional photo-thermal transfer intelligent glass system has the transmittance of more than 85% for the sunlight in the wave band of 300-. This achieves a change of direction through the glazing system, maximum shading or use of solar heat.

The utility model discloses an intelligent glass system of one-way light and heat transfer, when the sunlight shines at the not equidirectional of glass system, present different light and heat nature. When the sunlight high-efficiency absorption layer is positioned at the outdoor side, sunlight irradiates on the surface of the traditional glass, is converted into black body radiation heat by 99% of ultraviolet rays, a proper amount of visible light and 95% of near infrared rays, and 90% of heat is shielded outdoors through the synergistic action of the black body radiation strong reflection functional layer and the thermal radiation inhibition layer. The indoor side has no burning and sunning feeling when a proper amount of visible light enters the room. When the sunlight high-efficiency absorption layer is positioned at the indoor side, more than 85% of sunlight can penetrate through the black body radiation strong reflection functional layer, and is converted into heat energy on the sunlight high-efficiency absorption layer and is emitted indoors, so that the whole glass becomes a heating sheet. The photothermal absorption layer, especially double silver, triple silver hollow or vacuum Low-E glass, has the following characteristics in addition to a Low heat transfer coefficient, i.e., k value.

The one-way photo-thermal glass system is different from double-silver and three-silver hollow glass, has lower reflectivity, and cannot generate light pollution.

The sunlight high-efficiency absorption functional layer and the black body radiation strong reflection layer of the unidirectional photo-thermal glass system are more stable, and the silver films of double silver and triple silver are unstable and are easily oxidized by sulfides in the air to lose the energy-saving performance.

Two sides of sunlight of the unidirectional photo-thermal glass system have very large shading coefficient difference, the shading coefficient can be reduced to 0.2 from 0.8, and the shading coefficient difference can be larger than 0.6. The SC value of the Low-E glass transition surface also has a certain change, but the change is only about 0.1.

One-way light and heat transfer intelligence glass system, when high-efficient absorbing layer was in indoor side, its SC value can be greater than 0.8, and it can be with sunlight furthest's conversion to the heat, give off to indoor. Although the sun-shading coefficient of some configurations of the traditional hollow and vacuum glass can reach 0.8, the efficiency of converting sunlight into heat energy is far lower than that of a unidirectional photo-thermal transfer intelligent glass system.

Drawings

Fig. 1(a) is a schematic structural view of a unidirectional photothermal transfer glass system composed of heat absorbing glass, fig. 1(b) is a schematic structural view of a dual-cavity unidirectional photothermal transfer glass system composed of heat absorbing glass, and fig. 1(c) is a schematic structural view of a heat absorbing adhesive or thermochromic dual-cavity unidirectional photothermal transfer glass system;

FIG. 2(a) is a schematic diagram showing the optical heat transfer mechanism when the heat absorbing layer of the one-way photothermal transfer glass system is located outside the room, and FIG. 2(b) is a schematic diagram showing the optical heat transfer mechanism when the heat absorbing layer of the one-way photothermal transfer glass system is located inside the room;

FIG. 3 is a solar spectrum and a blackbody radiation thermal spectrum.

FIG. 4 is a diagram of the solar transmission spectrum of silver-plated Low-E glass and blackbody radiation strong reflection coated glass.

The figure shows that: the solar energy black body radiation heat-insulation film comprises a sunlight high-efficiency absorption functional layer 1, a heat convection inhibiting layer 2, a black body radiation strong reflection functional layer 3, a sunlight transmission layer 4, ultraviolet rays A, visible light B, near infrared rays C and black body radiation heat D.

Detailed Description

The invention is further described with reference to the following examples and the accompanying drawings.

Example 1

66% SiO₂2% of Al₂O₃9% of CaO, 4.5% of MgO and 15% of R₂O, 0.6% Fe₂O₃After 0.01 percent of CoO and 2.89 percent of SnO are uniformly mixed, the uniformly mixed materials are input into a kiln head bin, enter a melting kiln through a feeder, are melted into liquid at 1480-1600 ℃, are formed through a tin bath, and are annealed in an annealing kiln, and then are cut into heat absorbing glass.

Example 2

66% SiO₂2% of Al₂O₃9% of CaO, 4.5% of MgO and 15% of R₂O, 0.8% Fe₂O₃After 0.02 percent of CoO and 3.89 percent of SnO are uniformly mixed, the uniformly mixed materials are input into a kiln head bin, enter a melting kiln through a feeder, are melted into liquid at 1480-1600 ℃, are formed through a tin bath, and are annealed in an annealing kiln, and then are cut into heat absorbing glass.

Example 3

The heat absorbing glass prepared in example 1 was cleaned and placed in a magnetron sputtering apparatus and doped with ZnO2.5％Al₂O₃As a target material, the working pressure is 0.1-8Pa, the distance between the target material and the glass surface is kept at 15 cm, and the glass temperature is 120 ℃. The deposition speed is controlled at 20 nm/min, and the deposition thickness is 800 nm. The prepared glass is GLSa1, the absorption at 300-380 nm is 80%, the absorption at 380-760 nm is 30%, the absorption at 760-2500 nm is 85%, and the reflectivity at 3-100 micron waveband is 92%.

Example 4

The heat absorbing glass prepared in the embodiment 2 is cleaned and then placed in a magnetron sputtering instrument, indium oxide doped with 13% tin oxide is used as a target material, the working pressure is 0.1-8Pa, the distance between the target material and the surface of the glass is kept at 15 cm, and the temperature of the glass is 120 ℃. The deposition speed is controlled at 20 nm/min, and the deposition thickness is 650 nm. The prepared glass is GLSa2, the absorption at 300-380 nm is 83%, the absorption at 380-760 nm is 56%, the absorption at 760-2500 nm is 88%, and the reflectivity at 3-100 micron waveband is 91%.

Example 5

A piece of toughened ultra-white glass with the thickness of 4 mm is cleaned and then placed in a magnetron sputtering instrument, and ZnO is doped with 2.5 percent of Al₂O₃As a target material, the working pressure is 0.1-8Pa, the distance between the target material and the glass surface is kept at 15 cm, and the glass temperature is 120 ℃. The deposition speed is controlled at 20 nm/min, and the deposition thickness is 800 nm. The prepared glass is GLA1, the transmittance of which is 85% at 380 nm of 300-.

Example 6

Cleaning a piece of tempered super-white glass with the thickness of 4 mm, putting the cleaned tempered super-white glass in a magnetron sputtering instrument, and doping 13% tin oxide into indium oxide to be used as a target material, wherein the working pressure is 0.1-10Pa, the distance between the target material and the surface of the glass is kept at 15 cm, and the temperature of the glass is 200 ℃. The deposition speed is controlled at 20 nm/min, and the deposition thickness is 800 nm. The prepared glass is GLA2, and has a transmittance of 84% at 380 nm of 300-.

Example 7

Cleaning a piece of tempered super-white glass with the thickness of 4 mm, putting the cleaned tempered super-white glass in a magnetron sputtering instrument, and doping 13% tin oxide into indium oxide to be used as a target material, wherein the working pressure is 0.1-10Pa, the distance between the target material and the surface of the glass is kept at 15 cm, and the temperature of the glass is 200 ℃. The deposition speed is controlled at 20 nm/min, and the deposition thickness is 800 nm. The prepared glass is GLA2, and the transmittance of the glass is 84% at 380 nm of 300-.

Example 8

Cleaning a piece of toughened ultra-white glass with the thickness of 4 mm, putting the glass in a magnetron sputtering instrument, doping 6% aluminum trifluoride with zinc oxide as a target material, keeping the working pressure at 0.1-10Pa, keeping the distance between the target material and the surface of the glass at 8 cm, and keeping the temperature of the glass at 400 ℃. The deposition speed is controlled at 20 nm/min, and the deposition thickness is 800 nm. The prepared glass is GLA3, and has a transmittance of 90% at 380 nm of 300-.

Example 9

Cleaning a piece of toughened super-white glass with the thickness of 4 mm, putting the cleaned toughened super-white glass in a magnetron sputtering instrument, and using tin oxide doped with fluorine as a target material (the molar ratio of tin to fluorine is 3), wherein the working pressure is 0.1-10Pa, the distance between the target material and the surface of the glass is kept at 8 cm, and the temperature of the glass is 300 ℃. The deposition speed is controlled at 10 nm/min, and the deposition thickness is 1400 nm. The prepared glass is GLA4, and has a transmittance of 86% at 380 nm of 300-.

Example 10

The hollow glass is prepared by the GLSa1 prepared in the example 3 and a piece of super white toughened glass. The hollow cavity is 18 mm thick and filled with 95% argon. The GLSa1 film coating layer is located on the right side of the solar highly efficient absorbing functional layer 1 in fig. 1 (a). The above glasses are represented as: GLSa1+18(Ar 95%) + ultrawhite. The heat conductivity K of the glass is 1.7, and when the GLSa2 surface is outdoors, the solar energy transmittance (SHGC) is 35% and the visible light transmittance VIS is 68%. When GLSa1 is located indoors, the solar transmittance (SHGC) is 95% and the visible light transmittance VIS is 68%.

Example 11

The vacuum glass prepared by the GLSa2 prepared in the example 4 and a piece of super white toughened glass has a cavity thickness of 0.3 mm, and a GLSa2 film coating layer is positioned on the right side of the sunlight efficient absorption functional layer 1 in the figure 1 (a). The above glasses are represented as: GLSa2+0.3 (true) + ultrawhite. The heat conductivity K of the glass is 0.8, and when the GLSa1 surface is outdoors, the solar energy transmittance (SHGC) is 25% and the visible light transmittance VIS is 48%. When GLSa2 is located indoors, it is expressed as 95% of solar transmittance (SHGC) and 48% of visible light transmittance (VIS).

Example 12

The GLSa2 prepared in example 4 and the GLA1 glass prepared in example 5 were prepared as vacuum glass, the cavity thickness was 0.3 mm, and simultaneously, the vacuum glass was combined with another piece of tempered extra white glass to form a hollow glass, the hollow cavity thickness was 18 mm, and 90% argon gas was filled to form a three-glass two-cavity structure. The coating of GLSa2 was on the right side of the solar light highly efficient absorbing functional layer 1 in fig. 1(c), and the coating of GLA1 was on the right side of the solar light transmitting layer 4 in fig. 1 (c). The above glasses are represented as: GLSa2+0.3 (true) + GLA1+18(Ar 90%) + ultra white glass. The glass had a heat conductivity K of 0.4 and a solar transmittance (SHGC) of 23% and a visible light transmittance (VIS) of 47% when the GLSa1 surface was on the outdoor side. When GLSa2 is located indoors, the solar transmittance (SHGC) is 93% and the visible light transmittance (VIS) is 47%.

Example 13

A piece of 4 mm tempered ultra-white glass was prepared into laminated glass together with the specification of the heat-absorbing laminated glass prepared and the GLA1 glass prepared in example 5. The laminated glass is subjected to a vacuum air suction bag method, the temperature of the laminated glass is 145 ℃, the pressure is controlled to be 10-12bar, the prepared laminated glass and another piece of toughened ultra-white glass form hollow glass, the thickness of the hollow cavity is 18 mm, and 90% argon is filled into the hollow glass to form a three-glass two-cavity structure. The coating layer of GLA1 is located on the right side of the solar light highly efficient absorbing functional layer 1 in fig. 1 (b). The above glasses are represented as: ultrawhite + heat absorbing laminating film + GLA1+18(Ar 90% filled) + ultrawhite glass. The heat conductivity K of the glass was 1.6, and when the laminated glass surface was located outside the room, the solar transmittance (SHGC) was 33% and the visible light transmittance (VIS) was 57%. When the laminated glass is positioned at the indoor side, the solar transmittance (SHGC) is 93%, and the visible light transmittance (VIS) is 57%.

Wherein: thermochromic visible light (vis) and solar energy transmittance values are at 15 degrees celsius and 65 degrees celsius, respectively.

The above-described embodiments are only preferred embodiments of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several modifications and equivalent substitutions can be made, and these modifications and equivalent substitutions do not depart from the technical scope of the present invention.

Claims

1. The intelligent glass system is characterized by comprising a sunlight high-efficiency absorption functional layer (1), a black body radiation strong reflection functional layer (3) arranged on one side of the sunlight high-efficiency absorption functional layer (1), at least one solar light transmission layer (4) arranged on one side, opposite to the sunlight high-efficiency absorption functional layer (1), of the black body radiation strong reflection functional layer (3), wherein an area between the black body radiation strong reflection functional layer (3) and the solar light transmission layer (4) is a heat convection inhibition layer (2) which is closed hollow or vacuum, and when the solar light transmission layers (4) are multiple, areas between two adjacent solar light transmission layers (4) are glass with ultraviolet absorptivity of more than or equal to 99% in sunlight and near infrared absorptivity of more than or equal to 95% in sunlight, the black body radiation strong reflection functional layer (3) is glass or coated glass with the solar light transmittance of more than or equal to 85 percent and the black body radiation heat reflectance of more than or equal to 95 percent.

2. The intelligent glass system with high-efficiency unidirectional photothermal transfer as claimed in claim 1, wherein the wavelength of the ultraviolet light is 300-380 nm, the wavelength of the near infrared light is 760-2500 nm, the transmittance of the blackbody radiation strong reflection functional layer (3) to the solar light with the wavelength of 300-2500 nm is greater than or equal to 85%, and the wavelength of the blackbody radiation heat is 3-100 μm.

3. The smart glass system for efficient unidirectional solar-thermal transfer as claimed in claim 1, wherein the hollow cavity of the thermal convection suppression layer (2) is filled with argon, krypton or xenon.

4. A high efficiency smart glass system for unidirectional thermal transfer as claimed in claim 1, 2 or 3 wherein the solar light transmitting layer (4) is ultra white glass or a sheet with a light transmittance of more than 92% made of polyterephthalate, polycarbonate or polyacrylate.

5. A smart glass system with high efficiency unidirectional optical and thermal transfer as claimed in claim 1, 2 or 3, wherein the solar light transmission layer (4) is made of the same material, structure and function as the functional layer (3) with high blackbody radiation reflection, i.e. is also glass or coated glass with solar light transmission rate greater than or equal to 85% and blackbody radiation heat reflection rate greater than or equal to 95%.

6. A smart glass system with high efficiency unidirectional photo-thermal transfer as claimed in claim 1, 2 or 3, characterized in that the solar highly efficient absorbing functional layer (1) is an absorbing glass with infrared, ultraviolet, visible light absorbing capability or an absorbing laminated glass made of absorbing laminated film and float glass.