CN202688196U - Energy-saving coated glass - Google Patents
Energy-saving coated glass Download PDFInfo
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- CN202688196U CN202688196U CN 201220361537 CN201220361537U CN202688196U CN 202688196 U CN202688196 U CN 202688196U CN 201220361537 CN201220361537 CN 201220361537 CN 201220361537 U CN201220361537 U CN 201220361537U CN 202688196 U CN202688196 U CN 202688196U
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- film layer
- coated glass
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Abstract
The utility model discloses energy-saving coated glass. A silicon film layer, a silicon oxide mesoporous film layer and a fluorine-doped tin oxide film layer are coated on a glass substrate from bottom to top in sequence; the silicon film layer serves as a solar control film and can reflect near-infrared radiation under strong solar irradiation, so that a shading coefficient is greatly improved, and outdoor heat entering a room in summer is reduced; the silicon oxide mesoporous film layer serves as a transparent heat insulation film by using a porous structure of a mesoporous film, so that heat conduction can be blocked, and indoor and outdoor heat transfer is reduced; and the fluorine-doped tin oxide film layer serves as a low-radiation film, so that indoor mid-infrared and far-infrared radiation is reduced, and heat loss in winter is reduced. The energy-saving coated glass is suitable for the south, and the north with large winter and summer temperature difference, and the application range of the coated glass for a building is expanded.
Description
Technical field
The utility model is a kind of energy-conservation coated glass for building.
Background technology
Building energy conservation is to need one of important topic of solution badly in the present Economic development.In the building energy consumption of China, the energy consumption that causes by glass door and window accounts for 56% of whole building radiating amount, in the curtain buildings especially up to more than 90%.At present, building coated glass only realizes that by the transmitance of controlling each wave band light thermal radiation resistance reaches energy-conservation purpose thereby sunlight control, low radiation and phase transformation be energy-conservation etc., and the direct heat conduction is another important channel of heat exchange outside the Indoor environment.So, need the efficient energy-saved coated glass that has thermal radiation resistance and obstruct heat-conductive characteristic concurrently that research is fit to China's climatope badly.
Summary of the invention
The purpose of this utility model provides a kind of energy-conservation coated glass that is applicable to the large climatope of summer in the winter temperature difference.
Energy-conservation coated glass of the present utility model is coated with silicon film, silicon oxide mesoporous rete and fluorine doped tin oxide rete from bottom to top successively on glass substrate.
The preparation method of energy-conservation coated glass: at first adopt chemical Vapor deposition process depositing silicon rete on glass substrate, thicknesses of layers is determined by depositing time, be generally 60 ~ 80nm, then adopt sol-gel method to apply silicon oxide mesoporous rete at silicon film, thicknesses of layers is determined by the number of times of repetitive coatings, rete is thick generally at 10 ~ 40 microns, adopts hot spray process at silicon oxide mesoporous rete spraying fluorine doped tin oxide rete again, and thicknesses of layers is 300 ~ 400nm.
Energy-conservation coated glass of the present utility model is owing to there being multilayered structure, and its silicon film can reflect near-infrared wavelength as solar control film, and shading coefficient is improved greatly; Silicon oxide mesoporous rete utilizes the vesicular structure of mesoporous film as transparent heat-insulating film, can intercept thermal conduction; The fluorine doped tin oxide rete can reflect the mid and far infrared radiation as low-radiation film, reduces within doors heat loss.
The beneficial effects of the utility model: the multi-layer energy-saving film glass has not only reduced heat loss and transmission that thermal radiation causes, its silicon oxide mesoporous film has reduced the direct transmission of heat simultaneously, be not only applicable to south, also be applicable to the larger north of summer in the winter temperature difference, increase the range of application of coated glass for building.
Description of drawings
Fig. 1 is that energy-conservation coated glass consists of schematic diagram.
Fig. 2 is coated glass energy-saving principle figure.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing and example.
With reference to Fig. 1, energy-conservation coated glass of the present utility model is coated with silicon film 2, silicon oxide mesoporous rete 3 and fluorine doped tin oxide rete 4 from bottom to top successively on glass substrate 1.
1) utilize chemical Vapor deposition process simulation on-line coating film of float glass technique plating silicon fiml:
Unstripped gas is N
2Silane (the 10%SiH of dilution
4) and ethene (C
2H
4), substrate is the thick white glass of common 5mm, and substrate is fixed on the flat-temperature zone of silica tube, and from the uniform velocity mobile shower nozzle ejection, the shower nozzle walking speed is the substrate walking speed of actual production line, laboratory C to reactant gases after mixing chamber mixes
2H
4/ SiH
4Ratio is 0.5, and depositing temperature is 650 ℃, depositing silicon thickness 70nm.
2) adopt sol-gel method, the preparation mesoporous silicon dioxde film:
Experimental raw is tetraethoxy, dehydrated alcohol, and hydrochloric acid (mass concentration 36%), deionized water and cetyl trimethylammonium bromide, the total mol ratio of each component of presoma is TEOS: EtOH: HCl: H
2O: CTAB=l: 25: 0.005: 8: 0.1;
At first, the glass substrate that is coated with in advance the Si film is stand-by with 70 ℃ of oven dry after liquid detergent, ethanol and the washed with de-ionized water successively;
Secondly, with tetraethoxy TEOS, dehydrated alcohol, water and hydrochloric acid is in molar ratio: 1: 15: 8: 0.005 mixes, partial hydrolysis under acidic conditions is stirred 1h and is formed solution A, is to add in solution A at 0.1: 10 the ethanolic soln of CTAB by the CTAB/TEOS mol ratio then, solution is aging after one day, forms SiO
2Colloidal sol is with the SiO for preparing
2Colloidal sol is poured in the atomizer, is pressurized to 1.5 atm, and the glass substrate walking speed is 2 m/min, spraying SiO
2Colloidal sol, SiO
210 microns of mesoporous thickness;
At last, with coated glass substrate dry 24h at room temperature, at 60 ℃ of complete dryinies, obtain SiO at 500 ℃ of lower calcining 2h again
2Mesoporous film.
3) adopt hot spray process to prepare the fluorine doped tin oxide film:
Raw materials used is tin tetrachloride, Neutral ammonium fluoride and water, SnCl
4: NH
4F: H
2O=1: 0.2: 5, it is 450 ℃ that substrate keeps temperature, spray coating liquor is sprayed by atomizing gun by air compression system, gun slot and substrate distance are 10cm, and gun traffic is 1.5L/min, and the spraying number of times is 10 times, each spray 2s, every minor tick 5min, fluorine doped tin oxide film thickness are 400nm.
This routine gained coated glass transmittance is 20% ~ 30%.
Coated glass energy-saving principle figure is referring to Fig. 2.
This coated glass of the present utility model can stop that the direct conduction of heat again can thermal radiation resistance.In the climatope of cold, stop indoor heat to outdoor lost be energy-conservation key.SiO
2Mesoporous film intercepts thermal conduction, stops that indoor heat is to outdoor transmission; Simultaneously, lean on the fluorine doped tin oxide low-radiation film reflection of indoor from the mid and far infrared radiation of indoor human body object, reduce indoor heat to outdoor scattering and disappearing as far as possible.In the climatope of sweltering heat, stop that it is energy-conservation key that outdoor heat enters indoor.SiO
2Mesoporous film intercepts thermal conduction, stops that outdoor heat is to indoor transmission.Simultaneously, when the object radiation of outdoor sweltering heat passes to window glass, owing to can absorbing nearly all wavelength, Si-O key chattering glass heats up greater than the mid and far infrared light of 4.5 μ m, at this moment, mesoporous thermal isolation film can stop that also the glass heat passes to indoor conduction, make this part heat by convection of air, distribute to outdoor.In addition, when strong solar radiation glass, near infrared part heat wherein is reflected back outdoor by solar control film (silicon fiml).Outdoor like this heat will weaken greatly on indoor impact.
Claims (2)
1. an energy-conservation coated glass is characterized in that being coated with successively silicon film (2), silicon oxide mesoporous rete (3) and fluorine doped tin oxide rete (4) from bottom to top on glass substrate (1).
2. energy-conservation coated glass according to claim 1, the thickness that it is characterized in that silicon film (2) is 60 ~ 80nm, and the thickness of silicon oxide mesoporous rete (3) is 10 ~ 40 microns, and the thickness of fluorine doped tin oxide rete (4) is 300 ~ 400nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361537 CN202688196U (en) | 2012-07-25 | 2012-07-25 | Energy-saving coated glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361537 CN202688196U (en) | 2012-07-25 | 2012-07-25 | Energy-saving coated glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202688196U true CN202688196U (en) | 2013-01-23 |
Family
ID=47543843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361537 Expired - Fee Related CN202688196U (en) | 2012-07-25 | 2012-07-25 | Energy-saving coated glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202688196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744935A (en) * | 2012-07-25 | 2012-10-24 | 浙江大学 | Energy-saving coated glass |
-
2012
- 2012-07-25 CN CN 201220361537 patent/CN202688196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744935A (en) * | 2012-07-25 | 2012-10-24 | 浙江大学 | Energy-saving coated glass |
| CN102744935B (en) * | 2012-07-25 | 2015-07-15 | 浙江大学 | Energy-saving coated glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20180725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |