CN104895462A - Intelligent hollow vanadium dioxide sunshade glass - Google Patents
Intelligent hollow vanadium dioxide sunshade glass Download PDFInfo
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- CN104895462A CN104895462A CN201510342811.4A CN201510342811A CN104895462A CN 104895462 A CN104895462 A CN 104895462A CN 201510342811 A CN201510342811 A CN 201510342811A CN 104895462 A CN104895462 A CN 104895462A
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Abstract
The invention discloses intelligent hollow vanadium dioxide sunshade glass which comprises at least two glass bodies. A closed hollow cavity is formed between the two glass bodies through hollow glass adhesive tapes or aluminum spacers filled with molecular sieves, and a vanadium dioxide layer is arranged on one surface of one glass body facing the hollow cavity. The glass is characterized in that a closed hollow cavity is formed between the other surface of the glass body with the vanadium dioxide layer and the other glass body through the hollow glass adhesive tapes or aluminum spacers filled with molecular sieves or a low-radiation film is arranged on the vanadium dioxide layer. The glass can make full use of characteristics of the vanadium dioxide. Only in summer, the glass can function in shading and is transparent and fine in sunshade effect when sun shines, and the glass keeps transparent without sun shining. Only in winter, no matter whether sun shines or not, the glass keeps transparent, and a heat transfer coefficient of the glass is lower than 2.4W/KM2. The glass has advantages of high transparency and low haze whether the sun is shaded or not, and the glass is fine in sunshade effect and heat insulation performance.
Description
Technical field
The invention belongs to building energy conservation door and window fields, refer more particularly to a kind of vanadium dioxide intelligence sunshade hollow glass.
Background technology
The building energy consumption of China has accounted for 27.8% of social total energy consumption, and wherein the energy consumption of heating and air-conditioning accounts for 55% of building total energy consumption.In modern building, the area ratio that glass accounts for exterior wall is increasing, and the heat trnasfer undertaken by glass window according to measuring and calculating accounts for 48% and 7l% respectively at winter and summer.Regulate interior temperature according to air-conditioning, cryogenic temperature improves 2 DEG C, and cooling load reduces about 20%; Heat temperature and turn down 2 DEG C, heating load reduces about 30%, so be badly in need of the energy-efficient performance improving glass.
Vanadium dioxide material has first order phase change characteristic, can induced environment variations in temperature, this change of intelligent response realize to the band selective of sunshine through or cover.Usually, when environment temperature is lower than phase transition temperature, the film containing vanadium dioxide or coating are almost completely penetrating to the visible ray in sunshine and mid-infrared light; When temperature exceedes the semiconductor-metal phase change temperature of vanadium dioxide, vanadium dioxide undergoes phase transition and is converted into R phase, and now material to the selective blocking of mid-infrared light, can reach the object of transparent (visible light-transmissive) thermal resistance.Semiconductor-the metal phase change of vanadium dioxide is thermoinducible reversible change, and its temperature switch effect can be used to the ultrared break-make of centering and carries out Based Intelligent Control.Utilize vanadium dioxide under infrared light district high temperature low through with the high transmission under low temperature, the energy saving window port system of completely intelligence can be prepared.
Chinese Patent Application No. 200810033032.6 refer to a kind of intelligent heat-insulating film and preparation method thereof, Chinese Patent Application No.: CNl0l265374A discloses a kind of vanadium dioxide solar heat intelligent temperature control polymer film, they all prepare by directly being joined in thin polymer film by vanadium dioxide, significantly energy consumption can be reduced by sticking thermal isolation film or be coated with heat insulating coat on glass, there is transparency high, mist degree is less, can improve along with the rising of temperature ultrared rejection rate, play the function of intelligent sunshade.Its weak point is: the effective adjustment temperature due to this kind of temperature control of vanadium dioxide film is 35 DEG C-65 DEG C, general adhering film to glass can not reach said temperature change, also just can not this kind of for vanadium dioxide temperature control film optimum performance bring into play.
Application number is 201110397060.8, name is called that the patent based on the Bionic intelligent glass of temperature-sensitive hair-shaped nano hydrogel microsphere phase transformation is proposed a kind of temperature-sensitive sun protection glass, it can setting critical-temperature by transparent to opaque mutual conversion, can by critical-temperature 24 DEG C-40 DEG C settings by material mixture ratio.This kind of temperature-sensitive sun protection glass shaded effects are good, its weak point is: its off-color material is liquid or gluey, make to this temperature-sensitive sun protection glass and add difficulty, crucial shortcoming is, this temperature-sensitive sun protection glass is opaque when sunshade state, its scope of application that what this was serious limit.
Summary of the invention
The object of the invention is to release a kind of vanadium dioxide intelligence sunshade hollow glass.It can give full play to the characteristic of vanadium dioxide, only plays sunshade effect when there is solar radiation in summer and glass transparent, shaded effects are good, keeps transparent when decumbent corydalis tuber illumination; All keep transparent in winter with or without illumination; And thermal transmittance is lower than 2.4W/KM2.The present invention has transparency high in sunshade and not sunshade state, the feature that mist degree is low, and shaded effects and good heat insulating.
For achieving the above object, the present invention adopts following technical scheme:
A kind of vanadium dioxide intelligence sunshade hollow glass, comprise at least two sheet glass, airtight cavity is formed by hollow glass adhesive tape or aluminium parting bead that molecular sieve is housed between two sheet glass, wherein a sheet glass is being provided with titanium dioxide vanadium layers facing in this one side of cavity, and the another side that it is characterized in that being provided with titanium dioxide vanadium layers glass is also arranged the airtight cavity that formed by hollow glass adhesive tape or aluminium parting bead that molecular sieve is housed with other one block of glass or be provided with low-radiation film in titanium dioxide vanadium layers.
Described titanium dioxide vanadium layers is vanadium dioxide coating.
Described titanium dioxide vanadium layers is the pad pasting containing vanadium dioxide.
Described titanium dioxide vanadium layers is the PVB or the EVA film that contain vanadium dioxide.
Described aluminium parting bead or hollow glass adhesive tape are provided with first band with the two sides that two panels glassy phase is combined, and two sheet glass surroundings are provided with second band.
Described low-radiation film is the saturating low-radiation film of height that light transmittance is not less than 70%.
Also a sheet glass is closely fixed with between described low-radiation film and titanium dioxide vanadium layers.
Described glass is ultra-clear glasses or sheet glass.
Tool of the present invention has the following advantages:
1, best energy-saving effect can be reached.
Energy-saving glass will possess two energy conservation characteristics: heat insulating ability and thermal insulation.Window energy-conservation on, the heat insulating ability (energy saving) of glass plays a major role.And will adapt with building location terrestrial solar radiation feature for the thermal insulation (shading coefficient S) of glass.China's hot-summer and cold-winter area has now been specified that will do external sunshade has reached building energy conservation requirement.The existing lower thermal transmittance of glass of the present invention, having again intelligent external sunshade function, having lower shading coefficient when needing sunshade, is current optimal energy-saving glass.
2, intelligent shaded effects are remarkable.
So-called intelligent sunshade is exactly: intercept infrared rays when there is solar radiation in summer and play sunshade effect, do not intercept infrared rays in winter with or without solar radiation, can heating.
3, applied range is the developing direction of external sunshade industry.
The present invention is by termination product integrated with external sunshade system for door and window.Its installation does not affect outside vertical surface of building, easy cleaning, and solves current curtain wall and cannot install this difficult problem of external sunshade system.
Because glass of the present invention is all transparent under any state, so be applicable to door and window and the curtain wall of various building, and the place such as train, automobile, steamer.Also may be used for the place that sun-proof and anti-evening glow is dizzy in addition.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Fig. 1 is a kind of structure chart of vanadium dioxide of the present invention intelligence sunshade hollow glass.
In figure: outboard glass sheet 1,3, intermediate glass 2, aluminium parting bead 5 containing molecular sieve, aluminium parting bead 5 and sheet glass 1,2; 2,3 both sides contacted scribble butyl rubber, form first band 6.And structure glue 7 it be second sealing; Form cavity 8 between described aluminium parting bead 5 and described every two panels sheet glass, glass has two cavities, and they form the hollow glass structure of one " three glass two hollow ", and titanium dioxide vanadium layers 4 is on intermediate glass 2.
Be spaced apart 6mm near the gap of cavity of outside and glass 1,2, the gap of the cavity near indoor and glass 2,3 be spaced apart 12mm, this is shading performance in order to improve whole glass and heat-insulating property.
The intelligent sunshade function of vanadium dioxide intelligence sunshade hollow glass of the present invention is described below:
1, when environment temperature is lower than 21 DEG C (winter and spring and autumn sky), no matter with or without solar radiation, the temperature of intermediate glass 2 and titanium dioxide vanadium layers 4 does not reach 35 DEG C, and the infrared light transmission of titanium dioxide vanadium layers 4 is very high, now whole glass does not play external sunshade effect, good heating effect;
2, when environment temperature is higher than 21 DEG C (summer has set ins) and when having solar radiation, the temperature of intermediate glass 2 and titanium dioxide vanadium layers 4 is more than 35 DEG C, the infrared light transmission of titanium dioxide vanadium layers 4 reduces, and along with the rising of environment temperature or terrestrial solar radiation intensity, the temperature of titanium dioxide vanadium layers will continue to raise, titanium dioxide vanadium layers is less for infrared light transmission, and now whole glass plays external sunshade effect.
Fig. 2 is the second structure chart of vanadium dioxide of the present invention intelligence sunshade hollow glass.In figure: sheet glass 11, form a vanadium dioxide doubling glass containing vanadium dioxide PVB film 4, sheet glass 12,13 is sheet glass, 5 is aluminium parting beads that molecular sieve is housed, 8 is cavities, 6 is butyl rubber first bands, 7 is TR sealant second bands, and 9 is saturating low-radiation films of height that the light transmittance be located on sheet glass 12 is not less than 70%.
Above-mentioned vanadium dioxide doubling glass and sheet glass 13 form a Low emissivity hollow glass, and vanadium dioxide doubling glass has Low emissivity layer 9 in this one side of hollow.
Fig. 3 is the third structure chart of vanadium dioxide of the present invention intelligence sunshade hollow glass.In figure: sheet glass 21, the vanadium dioxide film 4 be attached on glass 21, be attached to the Low emissivity energy-saving film 9 on vanadium dioxide film 4, forms a vanadium dioxide low emissivity glass.5 is aluminium parting beads that molecular sieve is housed, and 8 is dry airs, and 6 is butyl rubber first bands, and 7 is TR sealant second bands, and 22 is sheet glass.
Above-mentioned vanadium dioxide low emissivity glass and sheet glass 13 form a Low emissivity hollow glass, and Low emissivity layer 9 is saturating low-radiation films of height that light transmittance is not less than 70%.
The intelligent sunshade function of the vanadium dioxide intelligence sunshade hollow glass of the present invention that Fig. 2 with Fig. 3 describes is substantially identical, specifically describes as follows:
1, when environment temperature is lower than 26 DEG C (autumn has set in and winter and spring), no matter with or without solar radiation, the temperature of intermediate glass 2 and titanium dioxide vanadium layers 4 does not reach 35 DEG C, the infrared light transmission of titanium dioxide vanadium layers 4 is very high, now whole glass does not play external sunshade effect, good heating effect;
2, when environment temperature is higher than 26 DEG C (summers) and when having solar radiation, the temperature of intermediate glass 2 and titanium dioxide vanadium layers 4 is more than 35 DEG C, the infrared light transmission of titanium dioxide vanadium layers 4 reduces, and along with the rising of environment temperature or terrestrial solar radiation intensity, the temperature of titanium dioxide vanadium layers will continue to raise, titanium dioxide vanadium layers is less for infrared light transmission, and now whole glass plays external sunshade effect.
In the specific embodiment of the invention, the aluminium parting bead containing molecular sieve also can replace by hollow glass adhesive tape, and sheet glass, ultra-clear glasses, glass all can replace mutually.
Claims (8)
1. a vanadium dioxide intelligence sunshade hollow glass, comprise at least two sheet glass, airtight cavity is formed by hollow glass adhesive tape or aluminium parting bead that molecular sieve is housed between two sheet glass, wherein a sheet glass is being provided with titanium dioxide vanadium layers facing in this one side of cavity, and the another side that it is characterized in that being provided with titanium dioxide vanadium layers glass is also arranged the airtight cavity that formed by hollow glass adhesive tape or aluminium parting bead that molecular sieve is housed with other one block of glass or be provided with low-radiation film in titanium dioxide vanadium layers.
2. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, described titanium dioxide vanadium layers is vanadium dioxide coating.
3. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, described titanium dioxide vanadium layers is the pad pasting containing vanadium dioxide.
4. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, described titanium dioxide vanadium layers is the PVB or the EVA film that contain vanadium dioxide.
5. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, described aluminium parting bead or hollow glass adhesive tape are provided with first band with the two sides that two panels glassy phase is combined, and two sheet glass surroundings are provided with second band.
6. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, described low-radiation film is the saturating low-radiation film of height that light transmittance is not less than 70%.
7. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, is also closely fixed with a sheet glass between described low-radiation film and titanium dioxide vanadium layers.
8. a kind of vanadium dioxide intelligence sunshade hollow glass according to claim 1, described glass is ultra-clear glasses or sheet glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342811.4A CN104895462A (en) | 2015-06-18 | 2015-06-18 | Intelligent hollow vanadium dioxide sunshade glass |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510342811.4A CN104895462A (en) | 2015-06-18 | 2015-06-18 | Intelligent hollow vanadium dioxide sunshade glass |
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| CN104895462A true CN104895462A (en) | 2015-09-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086859A (en) * | 2015-09-24 | 2015-11-25 | 佛山市明事达智能材料有限公司 | Infrared adjustment intelligent thermal insulation EVA film and preparation method thereof |
| CN114909072A (en) * | 2022-03-30 | 2022-08-16 | 别书博 | Building energy-saving aluminum alloy door and window |
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| CN1624029A (en) * | 2004-10-28 | 2005-06-08 | 中山大学 | Vanadium dioxide sun heat reflection intelligent temp controll high polymer film |
| EP2368709A2 (en) * | 2009-11-18 | 2011-09-28 | Samsung SDI Co., Ltd. | Window having a light transmittance adjusting layer |
| CN102674713A (en) * | 2012-05-07 | 2012-09-19 | 信义超薄玻璃(东莞)有限公司 | Thermochromic laminated glass and manufacturing method thereof |
| CN102910837A (en) * | 2012-10-16 | 2013-02-06 | 中国科学院上海技术物理研究所 | Intelligent low-emissivity coated glass capable of offline tempering and preparation method thereof |
| CN203201442U (en) * | 2013-01-04 | 2013-09-18 | 朱杨 | Intelligent sun-shading hollow glass |
| CN203769572U (en) * | 2014-04-09 | 2014-08-13 | 朱沈宁 | Temperature control sunshading energy-saving glass |
| CN204850942U (en) * | 2015-06-18 | 2015-12-09 | 南京二十六度建筑节能工程有限公司 | Vanadium dioxide intelligence sunshade cavity glass |
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2015
- 2015-06-18 CN CN201510342811.4A patent/CN104895462A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1624029A (en) * | 2004-10-28 | 2005-06-08 | 中山大学 | Vanadium dioxide sun heat reflection intelligent temp controll high polymer film |
| EP2368709A2 (en) * | 2009-11-18 | 2011-09-28 | Samsung SDI Co., Ltd. | Window having a light transmittance adjusting layer |
| CN102674713A (en) * | 2012-05-07 | 2012-09-19 | 信义超薄玻璃(东莞)有限公司 | Thermochromic laminated glass and manufacturing method thereof |
| CN102910837A (en) * | 2012-10-16 | 2013-02-06 | 中国科学院上海技术物理研究所 | Intelligent low-emissivity coated glass capable of offline tempering and preparation method thereof |
| CN203201442U (en) * | 2013-01-04 | 2013-09-18 | 朱杨 | Intelligent sun-shading hollow glass |
| CN203769572U (en) * | 2014-04-09 | 2014-08-13 | 朱沈宁 | Temperature control sunshading energy-saving glass |
| CN204850942U (en) * | 2015-06-18 | 2015-12-09 | 南京二十六度建筑节能工程有限公司 | Vanadium dioxide intelligence sunshade cavity glass |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086859A (en) * | 2015-09-24 | 2015-11-25 | 佛山市明事达智能材料有限公司 | Infrared adjustment intelligent thermal insulation EVA film and preparation method thereof |
| CN105086859B (en) * | 2015-09-24 | 2017-06-30 | 佛山市明事达智能材料有限公司 | A kind of infrared ray regulation heat-insulated EVA adhesive film of intelligence and preparation method thereof |
| CN114909072A (en) * | 2022-03-30 | 2022-08-16 | 别书博 | Building energy-saving aluminum alloy door and window |
| CN114909072B (en) * | 2022-03-30 | 2023-10-20 | 湖北联投新材料开发有限公司 | Building energy-saving aluminum alloy door and window |
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Application publication date: 20150909 |
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