A kind of European grey low-emissivity coated glass

Abstract

The embodiment of the present invention discloses a European gray imitation low-emissivity coated glass, which relates to the technical field of coated glass. The European gray imitation low-emissivity coated glass comprises a glass substrate and a film structure arranged on the surface of the glass substrate, and the film structure comprises a first composite medium layer, an absorption layer, a second composite medium layer, a first protective layer, a silver layer, a copper layer, a second protective layer and a third composite medium layer arranged in sequence from bottom to top. The European gray imitation low-emissivity coated glass of the present invention can directly replace the European gray original film, and the glass surface reflection and the film surface reflection are both 5%, and by adding a copper layer, the transmittance color of the product is adjusted to make it closer to the transmittance color of the European gray original film.

Description

Technical Field

[0001] The invention relates to the technical field of coated glass, in particular to a European-like grey low-radiation coated glass. Background Art

[0002] European gray original film is a special color float glass substrate, and its process is different from that of ordinary white glass substrate. Therefore, the purchase price of European gray original film is relatively high, the purchase cycle is long, and there are color differences between original films of different float glass manufacturers. Colored glass is not suitable for long-term storage in large quantities. Therefore, the use of European gray original film is costly and not conducive to timely delivery of products. Summary of the invention

[0003] The technical problem to be solved by the embodiments of the present invention is how to provide a European-like grey low-emissivity coated glass.

[0004] In order to solve the above problems, an embodiment of the present invention proposes an imitation European gray low-emissivity coated glass, wherein the imitation European gray low-emissivity coated glass includes a glass substrate and a film structure arranged on the surface of the glass substrate, and the film structure includes a first composite dielectric layer, an absorption layer, a second composite dielectric layer, a first protective layer, a silver layer, a copper layer, a second protective layer and a third composite dielectric layer, which are arranged in sequence from bottom to top.

[0005] A further technical solution is that the first composite dielectric layer comprises one or more of silicon nitride, zinc oxide and AZO, and the thickness of the first composite dielectric layer is 30nm-55nm.

[0006] A further technical solution is that the second composite dielectric layer comprises one or more of silicon nitride, zinc oxide and AZO, and the thickness of the second composite dielectric layer is 45nm-75nm.

[0007] A further technical solution is that the material of the first protective layer is NiCr, and the thickness of the first protective layer is 3nm-8nm.

[0008] A further technical solution is that the thickness of the silver layer is 8nm-15nm.

[0009] A further technical solution is that the thickness of the copper layer is 5nm-10nm.

[0010] A further technical solution is that the material of the second protective layer is NiCr, and the thickness of the second protective layer is 6nm-14nm.

[0011] A further technical solution is that the third composite dielectric layer includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the third composite dielectric layer is 35nm-55nm.

[0012] A further technical solution is that the absorption layer is a metal alloy layer, and the thickness of the absorption layer is 8-20 nm.

[0013] A further technical solution is that the material of the absorption layer is NiZr alloy.

[0014] Compared with the prior art, the technical effects achieved by the embodiments of the present invention include:

[0015] The European grey imitation low-radiation coated glass of the present invention can directly replace the European grey original glass, and the glass surface reflection and the film surface reflection are both 5%. By adding a copper layer, the transmission color of the product is adjusted to make it closer to the transmission color of the European grey original glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0017] Figure 1 A schematic structural diagram of a film structure imitating European grey low-emissivity coated glass proposed in an embodiment of the present invention;

[0018] Figure 2 This is a schematic structural diagram of a European-like grey low-emissivity coated glass proposed in an embodiment of the present invention.

[0019] Reference numerals

[0020] Glass substrate 10 , film structure 20 , first composite dielectric layer 21 , absorption layer 22 , second composite dielectric layer 23 , first protective layer 24 , silver layer 25 , copper layer 26 , second protective layer 27 and third composite dielectric layer 28 . DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Similar component numbers in the drawings represent similar components. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0023] It should also be understood that the terms used in this description of the embodiments of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the present invention. As used in the description of the embodiments of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms of "a", "an" and "the" are intended to include plural forms.

[0024] See also Figure 1-Figure 2 An embodiment of the present invention provides an imitation European grey low-emissivity coated glass, wherein the imitation European grey low-emissivity coated glass comprises a glass substrate 10 and a film structure 20 arranged on the surface of the glass substrate 10, wherein the film structure 20 comprises a first composite dielectric layer 21, an absorption layer 22, a second composite dielectric layer 23, a first protective layer 24, a silver layer 25, a copper layer 26, a second protective layer 27 and a third composite dielectric layer 28, which are arranged in sequence from bottom to top.

[0025] Furthermore, the first composite dielectric layer 21 includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the first composite dielectric layer 21 is 30 nm-55 nm.

[0026] Furthermore, the absorption layer 22 is a metal alloy layer, and the thickness of the absorption layer 22 is 8-20 nm. The absorption layer 22 mainly plays the role of reducing glass reflection.

[0027] Furthermore, the material of the absorption layer 22 is NiZr alloy.

[0028] Further, the second composite dielectric layer 23 includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the second composite dielectric layer 23 is 45 nm to 75 nm. AZO refers to an azo compound.

[0029] Furthermore, the material of the first protective layer 24 is NiCr, and the thickness of the first protective layer 24 is 3nm-8nm.

[0030] Furthermore, the silver layer 25 is an infrared reflection functional layer and has a thickness of 8 nm to 15 nm.

[0031] Furthermore, the copper layer 26 is metallic copper, which plays a role in adjusting the transmittance color, so that the transmittance color of the product is closer to the transmittance color of the European gray original film. The thickness of the copper layer 26 is 5nm-10nm.

[0032] Furthermore, the material of the second protective layer 27 is NiCr, and the thickness of the second protective layer 27 is 6nm-14nm.

[0033] Furthermore, the third composite dielectric layer 28 includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the third composite dielectric layer 28 is 35 nm-55 nm.

[0034] The European grey imitation low-radiation coated glass of the present invention can directly replace the European grey original glass, and the glass surface reflection and the film surface reflection are both 5%. By adding a copper layer, the transmission color of the product is adjusted to make it closer to the transmission color of the European grey original glass.

[0035] In order to better illustrate the technical solution of the present invention, specific embodiments are provided as follows:

[0036] Case 1:

[0037] Silicon nitride (thickness 32nm) / NiZr (Ni:Zr ratio is 4:6, thickness 10nm) / Silicon nitride (thickness 50nm) / Silver layer (thickness 9nm) / Cu (thickness 7nm) / NiCr (thickness 8nm) / Silicon nitride (thickness 38nm).

[0038]

[0039] After using white glass coating, the glass surface color and transmittance color are basically the same as the European gray original film, which can perfectly replace the European gray original film. The emissivity is 0.05, which has low radiation performance and is more energy-saving than the European gray original film.

[0040] Case 2

[0041] Silicon nitride (thickness 10nm) / zinc oxide (25nm) / AZO (5nm) / NiZr (Ni, Zr ratio is 3:7, thickness 13nm) / silicon nitride (thickness 25nm) / zinc tin oxide (15nm) / zinc oxide (10nm) / AZO (5nm) / silver layer (thickness 12nm) / Cu (thickness 5nm) / NiCr (thickness 6nm) / silicon nitride (thickness 42nm).

[0042]

[0043] After using white glass coating, the glass surface color and transmittance color are basically the same as the European gray original film, which can perfectly replace the European gray original film. The emissivity is 0.05, which has low radiation performance and is more energy-saving than the European gray original film.

[0044] Case 3

[0045] Silicon nitride (thickness 31nm) / AZO (5nm) / NiZr (Ni, Zr ratio is 2:8, thickness 11nm) / Silicon nitride (thickness 35nm) / Zinc oxide (20nm) / AZO (5nm) / Silver layer (thickness 13nm) / Cu (thickness 8nm) / NiCr (thickness 9nm) / AZO (5nm) / Silicon nitride (thickness 45nm).

[0046]

[0047] After using white glass coating, the glass surface color and transmittance color are basically the same as the European gray original film, which can perfectly replace the European gray original film. The emissivity is 0.05, which has low radiation performance and is more energy-saving than the European gray original film.

[0048] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0054] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0055] The above is a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A kind of European grey low-emissivity coated glass, It is characterized in that The invention comprises a glass substrate and a film structure arranged on the surface of the glass substrate, wherein the film structure comprises a first composite dielectric layer, an absorption layer, a second composite dielectric layer, a first protective layer, a silver layer, a copper layer, a second protective layer and a third composite dielectric layer arranged in sequence from bottom to top; the absorption layer is made of NiZr alloy, and the ratio of Ni to Zr is 3:7, 4:6 or 2:8; the copper layer has a thickness of 5nm-10nm and is located above the silver layer; the glass surface reflection and the film surface reflection of the imitation European grey low-emissivity coated glass are both 5%.

2. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The first composite dielectric layer includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the first composite dielectric layer is 30nm-55nm.

3. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The second composite dielectric layer includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the second composite dielectric layer is 45nm-75nm.

4. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The material of the first protective layer is NiCr, and the thickness of the first protective layer is 3nm-8nm.

5. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The thickness of the silver layer is 8nm-15nm.

6. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The material of the second protective layer is NiCr, and the thickness of the second protective layer is 6nm-14nm.

7. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The third composite dielectric layer includes one or more of silicon nitride, zinc oxide and AZO, and the thickness of the third composite dielectric layer is 35nm-55nm.

8. The European grey low-emissivity coated glass according to claim 1, It is characterized in that The thickness of the absorption layer is 8-20 nm.

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