CN218860600U

CN218860600U - Four-silver low-emissivity coated glass capable of being tempered for automobile skylight

Info

Publication number: CN218860600U
Application number: CN202122517042.0U
Authority: CN
Inventors: 阮泽云; 刘志健
Original assignee: Flat Glass Group Co Ltd
Current assignee: Flat Glass Group Co Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2023-04-14
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a four silver low-emissivity coated glass that can temper for sunroof, twenty one rete has been plated in proper order on the face of glass substrate layer, wherein, be the SiNx rete from first rete to twenty first rete in proper order, the ZTO rete, the AZO rete, the Ag rete, the NiCr rete, the AZO rete, the ZTO rete, the AZO rete, the Ag rete, the AZO rete, the ZTO rete, the AZO rete, the Ag rete, the NiCr rete, the AZO rete, the SiNx rete, the ZrOx; through the selection of materials and the reasonable arrangement of the film layer structure, the bonding force among different film layers is enhanced, and simultaneously the visible light transmittance, the light transmission and the outdoor color are adjusted to meet the requirement of the automobile skylight glass on low radiation.

Description

Four-silver low-emissivity coated glass capable of being tempered for automobile skylight

Technical Field

The utility model belongs to the technical field of vacuum magnetron sputtering coated glass, especially, relate to a but four silver low-emissivity coated glass of tempering for sunroof.

Background

Glass is used as an excellent transparent material, has the functions of light transmission and wind and snow resistance, is widely applied to automobiles, and is endowed with various new connotations along with the development of modern science and technology; the temperable four-silver low-radiation coated glass for the automobile skylight has good texture, driving comfort and excellent heat insulation and preservation characteristics, and is widely applied to the field of the automobile skylight; the low-emissivity coated glass is usually deposited with a nano film layer on the surface of a glass substrate by an off-line vacuum magnetron sputtering method, so that the photo-thermal property of the glass is changed, and the purposes of decoration, energy conservation, environmental protection and the like are achieved.

As an energy-saving and light-weighted automobile material, compared with common glass, the tempered four-silver low-radiation coated glass for the automobile skylight has the energy-saving characteristic, the four-silver coated glass has higher reflectivity to far infrared radiation, can keep the temperature in the automobile stable, reduces the energy consumption of heating or refrigerating of an automobile air conditioner, plays a very excellent role in reducing oil consumption, and can save oil by about 3 percent; due to the vigorous development of new energy vehicles in domestic markets, the requirements of fuel vehicles on endurance mileage are higher and higher under the policy of carbon emission, and the quantity of coated glass for automobile skylights is also increased explosively year by year.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing the temperable four-silver low-emissivity coated glass with reasonable film layer structure, even film layer deposition distribution, permeation and neutral outdoor color; the utility model discloses a required technical problem who solves is how to select suitable coating film layer material and through arranging of coating film layer, thickness ratio between each rete makes it reach sunroof daily daylighting and must ask and the neutral effect of colour.

In order to realize the above object, the utility model provides a but sunroof is with tempering four silver low-emissivity coated glass, including glass substrate layer and coating film layer, the coating film layer be the twenty one retes that adopt the vacuum magnetron sputtering method to plate in proper order on the face of glass substrate layer constitute, wherein first rete is the SiNx rete, the second rete is the ZTO rete, the third rete is the AZO rete, the fourth rete is the Ag rete, the fifth rete is the NiCr rete, the sixth rete is the AZO rete, the seventh rete is the ZTO rete, the eighth rete is the AZO rete, the ninth rete is the Ag rete, the eleventh rete is the ZTO rete, the twelfth rete is the AZO rete, the thirteenth rete is the Ag rete, the fourteenth rete is the AZO rete, the fifteenth rete is the ZTO rete, the sixteenth rete is the AZO rete, the seventeenth rete is the Ag rete, the eighteen is the NiCr rete, the nineteenth is the SiNx rete, the twenty Ox is the ZrOx.

Preferably, the glass substrate layer is float glass or ultra-white float glass.

Preferably, the thickness of the first film layer is 8nm, the thickness of the second film layer is 15nm, the thickness of the third film layer is 10nm, the thickness of the fourth film layer is 10nm, the thickness of the fifth film layer is 0.5nm, the thickness of the sixth film layer is 10nm, the thickness of the seventh film layer is 55nm, the thickness of the eighth film layer is 10nm, the thickness of the ninth film layer is 11nm, the thickness of the tenth film layer is 10nm, the thickness of the eleventh film layer is 53nm, the thickness of the twelfth film layer is 10nm, the thickness of the thirteenth film layer is 12nm, the thickness of the fourteenth film layer is 10nm, the thickness of the fifteenth film layer is 58nm, the thickness of the sixteenth film layer is 10nm, the thickness of the seventeenth film layer is 10nm, the thickness of the eighteenth film layer is 0.7nm, the thickness of the nineteenth film layer is 10nm, the thickness of the twentieth film layer is 20nm, and the thickness of the twenty-first film layer is 6nm.

Preferably, the ZTO film layer is 52% ZnO, 48% SnO ₂ The zinc tin oxide is formed by magnetron sputtering as a target.

Preferably, the AZO film layer is formed by magnetron sputtering using aluminum-doped zinc oxide as a target.

Preferably, the SiNx film layer is formed by magnetron sputtering using rotating silicon-aluminum as a target material.

Preferably, the NiCr film layer is formed by magnetron sputtering using a nickel-chromium target material containing 20% of Ni and 80% of Cr.

Preferably, the ZrO ₂ The film layer is formed by adopting zirconium oxide as a target material and performing a magnetron sputtering method.

The utility model provides a but sunroof is with four silver low-emissivity coated glass of tempering disposes thicker AZO rete in Ag rete both sides, topmost layer ZrO rete ₂ As a protective layerThrough reasonable arrangement of the film layer structure, the adhesive force among different film layers is enhanced, and simultaneously, the effects of preventing Na ions from diffusing and protecting Ag film layers are achieved, so that the film has better oxidation resistance; the toughened four-silver low-emissivity coated glass for the automobile is configured into the main parameters of 2.1mm high-transmittance four-silver +0.76PVB +2.1mm common toughened glass: visible light transmittance T: 60-65%, visible light transmission color at: -4 to-6; bt: 0 to-2, visible light glass surface reflectance Rout:12% -15%, visible light glass surface color aout: -2 to 2; bout: -3 to-8, visible film surface reflection Rin: less than or equal to 14 percent, and the total solar transmittance: < 32%, solar energy transmission: < 30%, solar reflection: is more than 40 percent; finally, the colors of the transmission and the outdoor reflection meet the requirements.

Drawings

Fig. 1 is a schematic structural view of the present invention;

the labels in the figures are: 1-first film layer, 2-second film layer, 3-fourth film layer, 4-fourth film layer, 5-fifth film layer, 6-sixth film layer, 7-seventh film layer, 8-eighth film layer, 9-ninth film layer, 10-tenth film layer, 11-eleventh film layer, 12-twelfth film layer, 13-fourteenth film layer, 14-fourteenth film layer, 15-fifteenth film layer, 16-sixteenth film layer, 17-seventeenth film layer, 18-eighteenth film layer, 19-nineteenth film layer, 20-twentieth film layer, 21-twenty-first film layer and 22-glass substrate layer.

Detailed Description

Referring to fig. 1, the utility model provides a but sunroof is with four silver low-emissivity coated glass of tempering, including glass substrate layer 22 and coating film layer adopt the vacuum magnetron sputtering method to plate twenty one retes in proper order on glass substrate layer 22's the face, wherein first rete 1 is the SiNx rete, second rete 2 is the ZTO rete, third rete 3 is the AZO rete, fourth rete 4 is the Ag rete, fifth rete 5 is the NiCr rete, sixth rete 6 is the AZO rete, seventh rete 7 is the ZTO rete, eighth rete 8 is the AZO rete, ninth rete 9 is the Ag rete, tenth rete 10 is the AZO rete, eleventh rete 11 is the ZTO rete, twelfth rete 12 is the AZO rete, thirteenth rete 13 is the Ag rete, fourteenth rete 14 is the AZO rete, fifteenth rete 15 is the ZTO rete, sixteenth rete 16 is the AZO rete, seventeenth rete 17 is the Ag rete, eighteenth 18 is the NiCr rete, the nineteenth rete is the zno rete, twenty 20 is the ZrOx, the twenty ZrOx is the twenty ox rete.

The first film layer 1 and the twentieth film layer 20 are SiNx film layers, wherein the first film layer 1 is a bottom layer, the SiNx film layers are formed by using rotary silicon-aluminum as a target material and adopting a vacuum magnetron sputtering method, and the first film layer 1 is directly formed on the surface of the glass substrate layer 22.

The second, seventh, eleventh, and

fifteenth film layers

2, 7, 11, and 15 are ZTO film layers, which are formed by magnetron sputtering using zinc tin oxide (52% zno, 48% sno 2) as a target, and as an intermediate layer, the film layers have a good bonding force with glass, good chemical stability, high visible light transmittance, and a refractive index of 2 to 2.2, and the AZO film layers and Ag film layers can be well bonded by using silicon nitride and zinc tin oxide as dielectric layers, and thus the entire film layer has a wide color range due to good visible light transmittance and suitable refractive index adjustment.

The third film layer 3, the sixth film layer 6, the eighth film layer 8, the tenth film layer 10, the twelfth film layer 12, the fourteenth film layer 14, the sixteenth film layer 16 and the nineteenth film layer 19 are AZO film layers, the AZO film layers are formed by using aluminum-doped zinc oxide as a target material and adopting a magnetron sputtering method, the film layers have good film property, are flat and can be used as seed layers (deposition layers) of Ag layers, and the thicker AZO film layers plated on two sides of silver can play a certain role in anti-oxidation protection of the Ag layers, so that the integral anti-oxidation performance of the Low-E glass is improved.

The fifth film layer 5 and the eighteenth film layer 18 are NiCr film layers which are formed by a magnetron sputtering method by using a nickel-chromium target material (20% Ni,80% Cr), the NiCr film layers are arranged on the upper sides of the first functional layer Ag film layer and the fourth functional layer Ag film layer and are anti-oxidation protection layers of the Ag film layers, the NiCr film layers have good anti-oxidation performance, partial oxidation can be carried out as protection layers (sacrificial layers) of the Ag layers in the toughening process of the four-silver coated glass which can be toughened, and in the partial oxidation process, the visible light transmittance of the film layers can be improved, and the color is more transparent.

The twenty-first film layer 21 is the topmost layer,the twenty-first film layer 21 is ZrO ₂ Film layer of ZrO ₂ The film layer is formed by taking zirconium oxide as a target material and adopting a magnetron sputtering method, and ZrO is ₂ The film layer has high hardness, excellent acid, alkali and weather resistance, excellent scratch resistance and other mechanical properties, and the reprocessing capability of the whole coated glass is greatly improved by selecting the material as a top protective layer.

In the production process, the uniformity of the thickness of the film layer can be ensured by repeatedly adjusting the magnetic field intensity of each adjusting point of the cathode magnetic steel and the supply amount of the process gas, and the color uniformity of the cathode magnetic steel is also ensured. The overall appearance effect with neutral color can be obtained by adjusting the film layer mainly comprising the dielectric layer zinc tin oxide film layer.

The utility model provides a but sunroof is with four silver low-emissivity coated glass that can temper is at the bottom, the intermediate level sets up to zinc tin oxide and silicon nitride rete, set up the AZO rete in Ag rete both sides, set up the NiCr rete at fourth layer Ag rete upside, through the rational arrangement of membranous layer structure, simultaneously at the adhesion stress between the different retes of reinforcing, play fine Na ion diffusion of preventing and to Ag rete guard action, but sunroof is with four silver low-emissivity coated glass that can temper behind tempering heat treatment, the configuration is four silver of 2.1mm +0.76PVB 2.1mm ordinary toughened glass's main parameter: visible light transmittance T: 60-65%, visible light transmission color at: -4 to-6; bt: 0 to-2, visible light glass surface reflectance Rout:12% -15%, visible light glass surface color aout: -2 to 2; bout: -3 to-8, visible film surface reflection Rin: less than or equal to 14 percent, and the total solar transmittance: < 32%, solar energy transmission: < 30%, solar reflection: is more than 40 percent; finally, the colors of the transmission and outdoor reflection of the film meet the requirements.

To sum up, only embody the preferred technical scheme of the utility model, some changes that the technical staff in the field probably made to some of them all embody the principle of the utility model, all should be the technical category of the utility model.

Claims

1. The temperable tetrasilver low-radiation coated glass for the automobile skylight comprises a glass substrate layer (22) and a coated film layer, and is characterized in that the coated film layer is formed by twenty film layers sequentially coated on the surface of the glass substrate layer (22) by a vacuum magnetron sputtering method, wherein the first film layer (1) is a SiNx film layer, the second film layer (2) is a ZTO film layer, the third film layer (3) is an AZO film layer, the fourth film layer (4) is an Ag film layer, the fifth film layer (5) is a NiCr film layer, the sixth film layer (6) is an AZO film layer, the seventh film layer (7) is a ZTO film layer, the eighth film layer (8) is an Ag film layer, the ninth film layer (9) is an Ag film layer, the tenth film layer (10) is an AZO film layer, the eleventh film layer (11) is a ZTO film layer, the twelfth film layer (12) is an AZO film layer, the thirteenth film layer (13) is an Ag film layer, the fourteenth film layer (14) is an AZO film layer, the fifteenth film layer (15) is a sixteenth film layer (19) is a NiCr film layer, the thirteenth film layer (16) is an AZO film layer, the twentieth layer (17) is an Ox film layer, the nineteenth layer (16) is an AZO film layer, the nineteenth film layer is an AZO film layer (16) is an AZO film layer, the nineteenth layer, the AZO film layer is an AZO film layer (17).

2. The temperable four-silver low-emissivity coated glass for automobile skylights according to claim 1, wherein the glass substrate layer (22) is float glass or ultra-white float glass.

3. The temperable four-silver low-emissivity coated glass for an automobile sunroof according to claim 1 or 2, wherein a first film layer (1) has a film thickness of 8nm, a second film layer (2) has a film thickness of 15nm, a third film layer (3) has a film thickness of 10nm, a fourth film layer (4) has a film thickness of 10nm, a fifth film layer (5) has a film thickness of 0.5nm, a sixth film layer (6) has a film thickness of 10nm, a seventh film layer (7) has a film thickness of 55nm, an eighth film layer (8) has a film thickness of 10nm, a ninth film layer (9) has a film thickness of 11nm, and a tenth film layer (10) has a film thickness of 10nm, the thickness of the eleventh film layer (11) is 53nm, the thickness of the twelfth film layer (12) is 10nm, the thickness of the thirteenth film layer (13) is 12nm, the thickness of the fourteenth film layer (14) is 10nm, the thickness of the fifteenth film layer (15) is 58nm, the thickness of the sixteenth film layer (16) is 10nm, the thickness of the seventeenth film layer (17) is 10nm, the thickness of the eighteenth film layer (18) is 0.7nm, the thickness of the nineteenth film layer (19) is 10nm, the thickness of the twentieth film layer (20) is 20nm, and the thickness of the twenty-first film layer (21) is 6nm.