CN211005133U

CN211005133U - Low-emissivity coated glass capable of being tempered

Info

Publication number: CN211005133U
Application number: CN201921698682.2U
Authority: CN
Inventors: 徐彦勤; 罗伟明
Original assignee: Zhongshan New Feeling Glass Co ltd
Current assignee: Zhongshan New Feeling Glass Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-14
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a low-emissivity coated glass that can temper, including glass basic unit, first electrolyte layer, L OW-E layer and second electrolyte layer, first dielectric layer includes the rete structure that first silicon nitride rete and titanium oxide rete are constituteed jointly, the rete structure that second electrolyte layer includes zinc oxide rete, second silicon nitride rete and nichrome rete are constituteed jointly, be provided with the silver-colored rete between first electrolyte layer and the second electrolyte layer, and silver-colored rete and L OW-E layer distribute side by side.

Description

Low-emissivity coated glass capable of being tempered

Technical Field

The utility model relates to the technical field of glass, especially, relate to a low-emissivity coated glass that can temper.

Background

Radiant glass is a product formed by coating a film system consisting of a plurality of layers of metals or other compounds including silver layers on the surface of the glass. Because the silver layer has the characteristic of low radiation, the low-radiation glass has higher transmissivity to visible light, has higher reflectivity to infrared rays and has good heat-insulating property.

The traditional single-silver low-radiation film has high reflectivity and low transmittance, so that the interior of a room is dim; or the sun shading is not good due to high transmittance and low reflectance, the high transmittance is difficult to be ensured, the problem of easy oxidation exists in the glass storage process, and the actual use performance of the glass is influenced due to large damage caused by the finished glass.

Therefore, it is desirable to design a temperable low-emissivity coated glass to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the temperable low-emissivity coated glass.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low-emissivity coated glass that can temper, includes glass base course, first electrolyte layer, L OW-E layer and second electrolyte layer, first electrolyte layer includes the rete structure that first silicon nitride rete and titanium oxide rete are constituteed jointly, second electrolyte layer includes the rete structure that zinc oxide rete, second silicon nitride rete and nichrome rete are constituteed jointly, be provided with the silver rete between first electrolyte layer and the second electrolyte layer, and the silver rete distributes with L OW-E layer side by side, the outer layer that the glass base course was kept away from to the second electrolyte layer is provided with the isolation powder, the outside of isolation powder superposes there is the polyvinyl butyral layer.

Furthermore, the L OW-E layer sequentially consists of glass, Si3N4, TiOx, ZnO, Ag, NiCrOx, Si3N4 and the like, wherein x is more than 0 and less than or equal to 3 in the NiCrOx film layer, and x is more than 0 and less than or equal to 1 in the TiOx film layer.

Furthermore, the main material of the isolation powder is polymethyl methacrylate, and the granularity of the isolation powder is 80 microns.

Further, the thicknesses of the first silicon nitride film layer and the titanium oxide film layer in the first electrolyte layer are 15-26nm and 17-27nm respectively.

Further, the thicknesses of the zinc oxide film layer, the second silicon nitride film layer and the nickel-chromium alloy film layer in the second electrolyte layer are respectively 20-28nm, 19-25nm and 22-25nm, and the thickness of the second electrolyte layer is larger than that of the first electrolyte layer.

Further, the glass substrate can be a common glass substrate, and is preferably float white glass or ultra-white glass.

The utility model has the advantages that:

1. through the first electrolyte layer, second electrolyte layer, the silver rete that set up, can ensure that low-emissivity coated glass has the radiance and hangs down, and the shading coefficient is low, and optical property is stable, bright-colored and easy advantage of adjusting, and whole low-emissivity coated glass is all very practical regardless of performance or outward appearance, can popularize to civil buildings, and application scope is wide.

2. Visible light in sunlight spectrum is allowed to pass through the L OW-E layer, more than 80% of far infrared ray heat radiation is reflected, heat radiation emitted by the automobile interior heating system and objects in the automobile in winter is guaranteed to be not dissipated outwards like a mirror surface, heating cost is saved, heat radiation emitted by sunlight outside the automobile, buildings and the ground can be prevented from entering the automobile in summer, air conditioner refrigeration cost is saved, and the energy-saving effect is achieved.

3. An isolation layer is formed between the low-radiation coated glass through the arranged isolation powder, and then the low-radiation coated glass is placed in a ventilation position, so that a ventilation channel is formed between the two layers of low-radiation coated glass, and the storage time of at least 10 days can be reached without sealing and wrapping by a plastic film; the method is simple, saves manpower and material resources and has low cost.

Drawings

Fig. 1 is a schematic structural view of a temperable low-emissivity coated glass provided by the present invention;

fig. 2 is a schematic structural view of a first electrolyte layer of a temperable low-emissivity coated glass provided by the present invention;

fig. 3 is a schematic structural diagram of a second electrolyte layer of the temperable low-emissivity coated glass of the present invention.

In the figure, a glass substrate layer 1, a first silicon nitride film layer 2, a titanium oxide film layer 3, an OW-E layer 4L, a silver film layer 5, a zinc oxide film layer 6, a second silicon nitride film layer 7, a nickel chromium alloy film layer 8, isolation powder 9, a polyvinyl butyral layer 10, a first electrolyte layer 11 and a second electrolyte layer 12 are adopted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a temperable low-emissivity coated glass includes a glass substrate 1, a first electrolyte layer 11, an L OW-E layer 4, and a second electrolyte layer 12, wherein the first electrolyte layer 11 includes a film structure composed of a first silicon nitride film layer 2 and a titanium oxide film layer 3, and serves to connect the glass substrate 1 and relieve internal stress of the entire low-emissivity film, the second electrolyte layer 12 includes a film structure composed of a zinc oxide film layer 6, a second silicon nitride film layer 7, and a nickel-chromium alloy film layer 8, and is used to improve scratch resistance, wear resistance, and corrosion resistance of the low-emissivity coated glass, a silver film layer 5 is disposed between the first electrolyte layer 11 and the second electrolyte layer 12, and the silver film layer 5 and the L OW-E layer 4 are disposed in parallel, an outer layer of the second electrolyte layer 12, which is away from the glass substrate 1, is provided with an isolation layer 9, and the isolation layer is formed between the low-emissivity coated glass by the isolation layer 9 and then placed in a place so that a ventilation channel is formed between the two layers of low-emissivity coated glass, such that no ventilation channel needs to be wrapped by a plastic film sealing layer 10.

Furthermore, the L OW-E layer 4 is composed of glass, Si3N4, TiOx, ZnO, Ag, NiCrOx, Si3N4 and the like in sequence, wherein x is more than 0 and less than or equal to 3 in the NiCrOx film layer, x is more than 0 and less than or equal to 1 in the TiOx film layer, the infrared reflectivity is high, far infrared heat radiation can be directly reflected, the surface radiance is low, the capacity of absorbing external energy is small, the re-radiated heat energy is less, the sun-shading coefficient range is wide, and the penetration amount of solar energy can be controlled according to needs so as to adapt to the needs of different regions.

Furthermore, the main material of the isolation powder 9 is polymethyl methacrylate, the granularity of the isolation powder 9 is 80 microns, manpower and material resources are effectively saved, the cost is low, the effect is good, and the isolation powder is suitable for popularization and use.

Furthermore, the thicknesses of the first silicon nitride film layer 2 and the titanium oxide film layer 3 in the first electrolyte layer 11 are respectively 15-26nm and 17-27nm, so that the bonding capability of the whole glass is effectively improved, and the internal stress of the whole low-radiation film is relieved.

Furthermore, the thicknesses of the zinc oxide film layer 6, the second silicon nitride film layer 7 and the nickel-chromium alloy film layer 8 in the second electrolyte layer 12 are 20-28nm, 19-25nm and 22-25nm respectively, the thickness of the second electrolyte layer 12 is larger than that of the first electrolyte layer 11, the second electrolyte layer 12 and the first electrolyte layer 11 are functional layers of the glass, the glass can resist high temperature of about 650 ℃, and the film combination of external oxygen, sodium ions in the glass and the like and silver film layer erosion can be blocked, so that the service performance of the whole glass is greatly improved.

Furthermore, the glass substrate 1 can be made of a common glass substrate, preferably float white glass or ultra-white glass, and provides a supporting matrix for the whole glass, so that the quality of the formed low-emissivity coated glass is better.

The operation principle is that when in use, the temperable low-radiation coated glass is finished on factory coating machine equipment by the following method that firstly, a coating chamber is vacuumized to the background vacuum degree of below 5 × 10-4 Pa, process gas is filled in the coating chamber to enable the process gas pressure in the coating chamber to be stabilized at about 2.5 × 10-1 Pa, a sputtering power supply is switched on, a target material starts sputtering, a fresh glass base layer 1 enters a vacuum chamber after being cleaned by a cleaning machine, target material atoms or compounds thereof are deposited on the surface of the glass when passing through the target material, a preset structural film layer is arranged to carry out coating processing on the glass, the coating sequence is that the glass base layer 1, a first electrolyte layer 11, a L OW-E layer 4, a silver film layer 5 and a second electrolyte layer 12, then, the isolating powder 9 is adsorbed on the low-radiation coated glass by utilizing static electricity on the outer side of the second electrolyte layer 12, and the processed glass is placed at a ventilation position in an overlapping manner.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The temperable low-emissivity coated glass comprises a glass base layer (1), a first electrolyte layer (11), L OW-E layers (4) and a second electrolyte layer (12), and is characterized in that the first electrolyte layer (11) comprises a film structure jointly formed by a first silicon nitride film layer (2) and a titanium oxide film layer (3), the second electrolyte layer (12) comprises a film structure jointly formed by a zinc oxide film layer (6), a second silicon nitride film layer (7) and a nickel-chromium alloy film layer (8), a silver film layer (5) is arranged between the first electrolyte layer (11) and the second electrolyte layer (12), the silver film layer (5) and a L OW-E superposed layer (4) are distributed, isolating powder (9) is arranged on the outer layer of the second electrolyte layer (12) far away from the glass base layer (1), and a polyvinyl butyral layer (10) is arranged on the outer side of the isolating powder (9).

2. A temperable low-emissivity coated glass according to claim 1, wherein the first silicon nitride film layer (2) and the titanium oxide film layer (3) of the first electrolyte layer (11) have film thicknesses of 15-26nm and 17-27nm, respectively.

3. A temperable low-emissivity coated glass according to claim 1, wherein the zinc oxide film layer (6), the second silicon nitride film layer (7) and the nickel chromium alloy film layer (8) of the second electrolyte layer (12) have film thicknesses of 20-28nm, 19-25nm and 22-25nm, respectively, and the second electrolyte layer (12) has a film thickness greater than the first electrolyte layer (11).

4. The temperable low-emissivity coated glass according to claim 1, wherein the glass substrate (1) is a common glass substrate.