CN212152096U - Low-emissivity glass capable of automatically defrosting and demisting and hollow glass - Google Patents
Low-emissivity glass capable of automatically defrosting and demisting and hollow glass Download PDFInfo
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- CN212152096U CN212152096U CN202020250031.3U CN202020250031U CN212152096U CN 212152096 U CN212152096 U CN 212152096U CN 202020250031 U CN202020250031 U CN 202020250031U CN 212152096 U CN212152096 U CN 212152096U
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Abstract
The utility model belongs to the technical field of glass, especially, relate to a low radiant glass of autonomic defrosting defogging and cavity glass, this low radiant glass of autonomic defrosting defogging includes first glass substrate, low radiation rete and power. The low-radiation film layer comprises a first medium layer, a first silver layer, a first protective layer, a second medium layer, a second silver layer, a second protective layer and a third medium layer which are sequentially stacked, the low-radiation film layer covers the surface of the first glass substrate, and the surface of the first medium layer, which is back to the first silver layer, is connected with the first glass substrate; the positive pole and the negative pole of the power supply are respectively and electrically connected with the two opposite side parts of the first silver layer. When the autonomous defrosting and demisting low-emissivity glass is used in an environment with a large outdoor temperature difference, the first silver layer is conducted by the power-on source, frost and fog on the surface are removed by heat generated after the first silver layer is electrically conducted, and therefore the autonomous defrosting and demisting function is achieved, the autonomous defrosting and demisting low-emissivity glass is guaranteed to have a good lighting effect, and the appearance is attractive.
Description
Technical Field
The utility model belongs to the technical field of glass, especially, relate to a low radiation glass of autonomic defrosting defogging and cavity glass.
Background
Glass is an economical transparent decorative material with strong processability, and is more and more widely applied to various architectural lighting roofs of markets, office buildings, hotel courtyards, vestibules and the like. The high-strength transparent material has high strength, good light transmission and strong durability, and is a preferred transparent material for lighting. However, in an outdoor low-temperature environment, the glass is easy to fog and frost, and external light is blocked from entering the room, so that the lighting effect of the glass is greatly reduced, and the appearance is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an autonomic defrosting defogging low emissivity glass and cavity glass aims at solving the glass among the prior art and leads to the poor technical problem of glass's daylighting effect because of frosting the thing.
In order to achieve the above object, the utility model adopts the following technical scheme: an automatic defrosting and demisting low-emissivity glass comprises a first glass substrate, a low-emissivity film layer and a power supply. The low-radiation film layer comprises a first medium layer, a first silver layer, a first protection layer, a second medium layer, a second silver layer, a second protection layer and a third medium layer which are sequentially stacked, the low-radiation film layer covers the surface of the first glass substrate, and the surface of the first medium layer, which is back to the first silver layer, is connected with the first glass substrate; and the positive electrode and the negative electrode of the power supply are respectively and electrically connected with the two opposite side parts of the first silver layer.
Optionally, the thickness of the first silver layer ranges from 14nm to 18 nm.
Optionally, the first silver layer has a thickness in the range of 15 nm.
Optionally, electrodes are disposed at edges of two opposite edges of the first silver layer, and the two electrodes are electrically connected to the positive electrode and the negative electrode of the power supply through wires respectively.
Optionally, the thickness of the second silver layer ranges from 10nm to 13 nm.
Optionally, the third dielectric layer is a silicon nitride layer.
Optionally, the first dielectric layer is a silicon nitride layer, a zinc-tin layer, or a zinc-aluminum oxide layer, and the second dielectric layer is a zinc-tin layer or a zinc-aluminum oxide layer.
Optionally, the first protective layer and the second protective layer are both nickel chromium layers.
The utility model provides an above-mentioned one or more technical scheme in the low radiation glass of autonomic defrosting defogging have one of following technological effect at least: when the autonomous defrosting and demisting low-emissivity glass is used in an environment with a large outdoor temperature difference, the first silver layer is conducted by the power-on source, and frost and fog on the surface of the autonomous defrosting and demisting low-emissivity glass are removed by heat generated after the first silver layer is electrically conducted, so that an autonomous defrosting and demisting function is realized, the autonomous defrosting and demisting low-emissivity glass is ensured to have a good lighting effect, and the appearance is attractive.
The utility model discloses another technical scheme be: the hollow glass comprises a second glass substrate, a spacing layer and the autonomous defrosting and demisting low-emissivity glass, wherein the second glass substrate and the autonomous defrosting and demisting low-emissivity glass are arranged at intervals, and the spacing layer is fixed between the second glass substrate and the autonomous defrosting and demisting low-emissivity glass.
Optionally, the hollow glass further comprises a third glass substrate and a film layer, the low-emissivity film layer is located between the spacing layer and the first glass substrate, the third glass substrate and the first glass substrate are arranged at intervals and back to the low-emissivity film layer, and the film layer is fixed between the second glass substrate and the third glass substrate.
The utility model discloses a cavity glass owing to adopted foretell low-emissivity glass of autonomic defrosting defogging, makes this cavity glass have autonomic defrosting defogging function, has also guaranteed that this cavity glass has good daylighting effect, and the outward appearance is pleasing to the eye.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a cross-sectional view of the low emissivity glass with autonomous defrosting and defogging provided by the embodiment of the present invention.
Fig. 2 is a cross-sectional view of an insulating glass according to another embodiment of the present invention.
Fig. 3 is a spectrum curve of the visible light transmittance of the self-defrosting defogging low-emissivity glass provided by another embodiment of the invention.
Fig. 4 is a spectral graph of the glass surface reflectivity of the self-defrosting defogging low-emissivity glass provided by another embodiment of the invention.
Fig. 5 is a spectrum graph of the film surface reflectivity of the self-defrosting defogging low-emissivity glass according to another embodiment of the invention.
Wherein, in the figures, the respective reference numerals:
10-self defrosting and demisting low-emissivity glass 11-low-emissivity film layer 12-first glass substrate
13-power supply 14-electrode 15-lead
16-switch 20-second glass substrate 30-third glass substrate
40-film layer 50-spacer layer 111-first dielectric layer
112-first silver layer 113-first protective layer 114-second dielectric layer
115-second silver layer 116-second protective layer 117-third dielectric layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-5 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, in one embodiment of the present invention, there is provided an autonomous defrosting and defogging low emissivity glass 10, which is mainly used as architectural glass, the autonomous defrosting and defogging low emissivity glass 10 comprising,
a first glass substrate 12;
the low-radiation film layer 11 comprises a first dielectric layer 111, a first silver layer 112, a first protective layer 113, a second dielectric layer 114, a second silver layer 115, a second protective layer 116 and a third dielectric layer 117 which are sequentially stacked, the low-radiation film layer 11 covers the surface of the first glass substrate 12, and the surface of the first dielectric layer 111, which is back to the first silver layer 112, is connected with the first glass substrate 12; after the first glass substrate 12 is cleaned and dried by pure water, a first dielectric layer 111, a first silver layer 112, a first protective layer 113, a second dielectric layer 114, a second silver layer 115, a second protective layer 116 and a third dielectric layer 117 are sequentially deposited on the surface of the first glass substrate 12 by a vacuum ion magnetron sputtering method;
and the power supply 13, wherein the positive electrode and the negative electrode of the power supply 13 are respectively electrically connected with two opposite side parts of the first silver layer 112.
Specifically, the utility model discloses independently defrost defogging low emissivity glass 10, when using in the environment that the outdoor difference in temperature is big, switch-on 13 switches on first silver layer 112, and the frost and the fog on this independently defrost defogging low emissivity glass 10 surface are detached to the production of heat behind the first silver layer 112 electrical property switches on to realize independently defrosting defogging function, guarantee that this independently defrost defogging low emissivity glass 10 has good daylighting effect, and the outward appearance is pleasing to the eye.
In another embodiment of the present invention, the thickness of the first silver layer 112 of the self-defrosting defogging low radiation glass 10 is provided in the range of 14nm to 18 nm. Specifically, the thickness of the first silver layer 112 may be 14nm, 15nm, 16nm, 17nm or 18nm, the thickness of the first silver layer 112 is within the range, the sheet resistance value of the first silver layer 112 is low, and after the power supply 13 is switched on, the current of the first silver layer 112 is large, the heating effect is obvious, so that the autonomous defrosting and defogging functions are realized; if the thickness of the first silver layer 112 is set too small, the sheet resistance of the first silver layer 112 is large, the current of the first silver layer 112 is small, the heat generation is not obvious, and the autonomous defrosting and defogging functions cannot be realized; if the thickness of the first silver layer 112 is set too large, the optical properties such as transmittance and reflectivity of the low-emissivity film 11 are affected, and the lighting effect and the energy-saving effect of the self-defrosting defogging low-emissivity glass 10 cannot be ensured.
Preferably, the thickness of the first silver layer 112 is in a range of 15nm, and the thickness is set so that the sheet resistance of the first silver layer 112 reaches 1.7 Ω and below 1.7 Ω, thereby ensuring that the first silver layer 112 has a sufficient current to meet the heating requirement, and effectively achieving defrosting and defogging.
In another embodiment of the present invention, the edges of the two opposite edges of the first silver layer 112 of the provided self-defrosting defogging low emissivity glass 10 are provided with electrodes 14, and the two electrodes 14 are respectively electrically connected to the positive electrode and the negative electrode of the power supply 13 through the conducting wires 15. Specifically, the first silver layer 112 is provided with the electrode 14, the electrical connection operation between the electrode 14 and the lead 15 is simple, the connection reliability is good, the heating of the first silver layer 112 is ensured to be more stable and reliable, and the electrode 14 is connected with the power supply 13 through the lead 15, so that the structure is simple and the manufacture is convenient; in addition, the electrode 14 is located at the edge of the first silver layer 112, and does not block light, so that the visible surface of the self-defrosting and demisting low-emissivity glass 10 is completely transparent, and does not affect the sight line and lighting.
Furthermore, a switch 16 is arranged on the lead 15, and the on-off of the circuit of the first silver layer 112 is realized by opening and closing the switch 16, so that the silver layer is convenient to use and very practical.
In another embodiment of the present invention, the thickness of the second silver layer 115 of the self-defrosting defogging low emissivity glass 10 is provided in the range of 10nm to 13 nm. Specifically, the thickness of the second silver layer 115 may be 10nm, 11nm, 12nm or 13nm, and the second silver layer 115 located in the thickness range has a good reflection effect on infrared rays, so that the self-defrosting defogging low-emissivity glass 10 has good energy saving performance; if the thickness of the second silver layer 115 is set too small, it cannot have a good reflection effect on infrared rays; if the thickness of the second silver layer 115 is set too large, the transmittance of the self-defrosting defogging low-emissivity glass 10 will be affected, and the lighting effect of the self-defrosting defogging low-emissivity glass 10 will be affected.
Preferably, the thickness of the second silver layer 115 of the self-defrosting defogging low radiation glass 10 is 12 nm.
Furthermore, the first silver layer 112 and the second silver layer 115 are arranged in the low-radiation film layer 11, and the arrangement of the double silver layers can greatly increase the reflection effect on infrared rays, so that the energy-saving performance is better.
In another embodiment of the present invention, the third dielectric layer 117 of the self-defrosting defogging low emissivity glass 10 is provided as a silicon nitride layer. The third dielectric layer 117 is made of silicon nitride, and the silicon nitride plays a role in protecting the whole low-radiation film layer 11, so that external scratches can be blocked, and the scratch resistance of the self-defrosting defogging low-radiation glass 10 is improved; meanwhile, the first dielectric layer 111 and the third dielectric layer 117 made of silicon nitride can also reduce the reflection of light, improve the transmittance of light, and ensure that the self-defrosting defogging low-emissivity glass 10 has a good lighting effect.
Preferably, the thickness of the third dielectric layer 117 is 38 nm.
In another embodiment of the present invention, the first dielectric layer 111 of the self-defrosting defogging low emissivity glass 10 is a silicon nitride layer, a zinc-tin layer or a zinc-aluminum oxide layer, and the second dielectric layer 114 is a zinc-tin layer or a zinc-aluminum oxide layer. Specifically, the first dielectric layer 111 is made of silicon nitride, zinc tin or zinc aluminum oxide, and the first dielectric layer 111 functions to connect the first glass substrate 12 and the first silver layer 112, so that the first silver layer 112 can be stably fixed on the surface of the first glass substrate 12; the second dielectric layer 114 is made of zinc tin or zinc aluminum oxide, and the zinc tin or zinc aluminum oxide can stably connect the first protective layer 113 and the second silver layer 115 together, so that the film structure of the low-radiation film 11 has good strength and good connection stability.
Preferably, the thickness of the first dielectric layer 111 is 20nm, and the thickness of the second dielectric layer 114 is 75 nm.
In another embodiment of the present invention, the first protection layer 113 and the second protection layer 116 of the self-defrosting defogging low emissivity glass 10 are both nickel-chromium layers. Specifically, the first protective layer 113 is made of nickel chromium, and the nickel chromium covers the surface of the first silver layer 112 to protect the first silver layer 112, so as to prevent the first silver layer 112 from being oxidized, and improve the oxidation resistance of the self-defrosting defogging low-emissivity glass 10; the second protective layer 116 is made of nickel chromium, and the nickel chromium covers the surface of the second silver layer 115 to protect the second silver layer 115, so that the second silver layer 115 is prevented from being oxidized, and the oxidation resistance of the self-defrosting and demisting low-emissivity glass 10 is improved.
Preferably, the thickness of the first protective layer 113 is 3nm and the thickness of the second protective layer 116 is 2 nm.
In another embodiment of the present invention, the glass substrate of the self-defrosting defogging low-emissivity glass 10 is float glass, the first dielectric layer 111 is a 20nm silicon oxide layer, the first silver layer 112 is 15nm thick, the first protective layer 113 is a 3nm nickel-chromium layer, the second dielectric layer 114 is a 75nm zinc-tin layer, the second silver layer 115 is 12nm thick, the second protective layer 116 is a 2nm nickel-chromium layer, and the third dielectric layer 117 is a 38nm silicon nitride layer, the self-defrosting defogging low-emissivity glass 10 is subjected to optical performance detection, and the obtained spectral curve is as shown in fig. 3-5, FIG. 3 is a graph showing a spectrum of the visible light transmittance of the self-defrosting defogging low emissivity glass 10, fig. 4 is a spectral graph of the glass surface reflectance of the self-defrosting defogging low emissivity glass 10, and fig. 5 is a spectral graph of the film surface reflectance of the self-defrosting defogging low emissivity glass 10.
The structure of the spectrum curve shows that the self-defrosting defogging low emissivity glass 10 in the embodiment has high transmittance to visible light with the wavelength of 400nm to 600nm, as shown in fig. 3; as shown in fig. 4, the glass surface of the self-defrosting defogging low emissivity glass 10 has a low reflectivity to visible light with a wavelength of 400nm to 700 nm; as shown in fig. 5, the film surface of the self-defrosting defogging low emissivity glass 10 has a low reflectance with respect to visible light having a wavelength of 400nm to 700 nm.
In another embodiment of the present invention, referring to fig. 2, there is provided a hollow glass, comprising a second glass substrate 20, a spacer layer 50 and the above-mentioned self-defrosting defogging low-emissivity glass 10, wherein the second glass substrate 20 and the self-defrosting defogging low-emissivity glass 10 are arranged at an interval, and the spacer layer 50 is fixed between the second glass substrate 20 and the self-defrosting defogging low-emissivity glass 10.
The utility model discloses cavity glass owing to adopted foretell low radiant glass 10 of autonomic defrosting defogging, makes this cavity glass have autonomic defrosting defogging function, has also guaranteed that this cavity glass has good daylighting effect, and the outward appearance is pleasing to the eye.
Further, the self-defrosting defogging low emissivity glass 10 and the third glass substrate 30 are connected together through the spacing layer 50, and a gas spacing layer is formed between the self-defrosting defogging low emissivity glass 10 and the third glass substrate 30, and the gas spacing layer plays a role in heat insulation, so that the hollow glass has good heat insulation performance.
In another embodiment of the present invention, the hollow glass further includes a third glass substrate 30 and a film layer 40, the low-emissivity film layer 11 is located between the spacing layer 50 and the first glass substrate 12, the third glass substrate 30 and the first glass substrate 12 are spaced apart and are disposed oppositely to the low-emissivity film layer 11, and the film layer 40 is bonded between the first glass substrate 12 and the third glass substrate 30.
Specifically, the self-defrosting demisting low-emissivity glass 10 and the third glass substrate 30 are bonded together through the film layer 40 to form the laminated glass, so that when the laminated glass encounters gravity impact, fragments of the first glass substrate 12 and the third glass substrate 30 are also bonded by the film layer 40, people cannot be splashed around and hurt people, the use safety of the hollow glass is improved, and the hollow glass is suitable for being used in super high-rise buildings; the low-emissivity film layer 11 is located between the spacing layer 50 and the first glass substrate 12, and the low-emissivity film layer 11 is arranged towards the spacing layer 50, so that the laminated glass and the third glass substrate 30 are separated, people cannot touch the laminated glass, the insulation performance is good, and the safety is good.
Preferably, the first glass substrate 12, the second glass substrate 20 and the third glass substrate 30 are all made of tempered glass, and the tempered glass has high hardness and is not easy to break, so that the safety of the hollow glass is further improved, and the hollow glass is suitable for being used as curtain wall glass of super high-rise buildings.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a low radiation glass of autonomic defrosting defogging which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a first glass substrate;
the low-radiation film layer comprises a first medium layer, a first silver layer, a first protective layer, a second medium layer, a second silver layer, a second protective layer and a third medium layer which are sequentially stacked, the low-radiation film layer covers the surface of the first glass substrate, and the surface of the first medium layer, which is back to the first silver layer, is connected with the first glass substrate;
and the positive electrode and the negative electrode of the power supply are respectively and electrically connected with the two opposite side parts of the first silver layer.
2. The self-defrosting defogging low emissivity glass according to claim 1, wherein: the thickness range of the first silver layer is 14 nm-18 nm.
3. The self-defrosting defogging low emissivity glass according to claim 2, wherein: the thickness range of the first silver layer is 15 nm.
4. The self-defrosting defogging low emissivity glass according to any one of claims 1 to 3, wherein: the edges of the two opposite edges of the first silver layer are provided with electrodes, and the two electrodes are respectively and electrically connected with the anode and the cathode of the power supply through leads.
5. The self-defrosting defogging low emissivity glass according to any one of claims 1 to 3, wherein: the thickness range of the second silver layer is 10 nm-13 nm.
6. The self-defrosting defogging low emissivity glass according to any one of claims 1 to 3, wherein: the third dielectric layer is a silicon nitride layer.
7. The self-defrosting defogging low emissivity glass according to any one of claims 1 to 3, wherein: the first dielectric layer is a silicon nitride layer, a zinc-tin layer or a zinc-aluminum oxide layer, and the second dielectric layer is a zinc-tin layer or a zinc-aluminum oxide layer.
8. The self-defrosting defogging low emissivity glass according to any one of claims 1 to 3, wherein: the first protective layer and the second protective layer are both nickel-chromium layers.
9. An insulating glass, characterized in that: the self-defrosting and demisting low-emissivity glass comprises a second glass substrate, a spacing layer and the self-defrosting and demisting low-emissivity glass as claimed in any one of claims 1 to 8, wherein the second glass substrate and the self-defrosting and demisting low-emissivity glass are arranged at intervals, and the spacing layer is fixed between the second glass substrate and the self-defrosting and demisting low-emissivity glass.
10. The insulating glass according to claim 9, characterized in that: the hollow glass further comprises a third glass substrate and a film layer, the low-radiation film layer is located between the spacing layer and the first glass substrate, the third glass substrate and the first glass substrate are arranged at intervals and back to the low-radiation film layer, and the film layer is bonded between the first glass substrate and the third glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020250031.3U CN212152096U (en) | 2020-03-04 | 2020-03-04 | Low-emissivity glass capable of automatically defrosting and demisting and hollow glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020250031.3U CN212152096U (en) | 2020-03-04 | 2020-03-04 | Low-emissivity glass capable of automatically defrosting and demisting and hollow glass |
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| Publication Number | Publication Date |
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| CN212152096U true CN212152096U (en) | 2020-12-15 |
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| CN202020250031.3U Active CN212152096U (en) | 2020-03-04 | 2020-03-04 | Low-emissivity glass capable of automatically defrosting and demisting and hollow glass |
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