Efficient and energy-saving bird-friendly glass

Abstract

The utility model discloses efficient and energy-saving bird-friendly glass which comprises a glass substrate, and a first dielectric layer, a second titanium dioxide layer, a third silver layer, a fourth metal layer and a fifth dielectric layer are sequentially arranged on the glass substrate. The first dielectric layer and the fifth dielectric layer are both silicon nitride layers or aluminum-doped silicon nitride dielectric layers, and the first dielectric layer, the second titanium dioxide layer, the third silver layer, the fourth metal layer and the fifth dielectric layer are all of coating layer structures formed by magnetron sputtering. The efficient and energy-saving bird-friendly glass is reasonable in design, the surface of the glass is coated with a film through magnetron sputtering, the glass product can be easily recognized by birds to avoid collision on the premise that the attractiveness is not affected, and meanwhile the efficient and energy-saving bird-friendly glass has the high ultraviolet reflectivity and the energy-saving effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to building glass technical field especially is related to a kind of high-efficiency energy-saving bird-friendly glass. BACKGROUND

[0002] With the rapid advancement of modernization and urbanization, the proportion of building glass curtain wall is increasing. While people are pursuing the beauty and comfort of buildings, they inadvertently ignore the survival threat of glass curtain wall to birds. Due to the reflective and transparent properties of building glass, birds are difficult to distinguish obstacles during flight and die from collisions. According to statistics, hundreds of millions of birds die from bird strikes worldwide, becoming one of the important reasons for bird deaths.

[0003] Most of the existing technology about bird-proof glass adopts opaque patterns printed on the glass to warn birds; however, such patterns greatly reduce the aesthetic level of the glass and even affect the performance of the glass.

[0004] Currently, there are also coated glasses, such as the anti-bird strike coated glass and its preparation method disclosed in patent CN118271001A, which includes a glass substrate, and a first titanium oxide layer, an intermediate layer, and a second titanium oxide layer arranged in sequence on the glass substrate; the intermediate layer includes a first dielectric layer, and the material of the first dielectric layer includes at least one of zinc oxide, aluminum-doped zinc oxide, and tin-doped zinc oxide; its energy-saving effect is not ideal. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a high-efficiency energy-saving bird-friendly glass, which effectively protects birds while having energy-saving and emission-reducing functions.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The high-efficiency energy-saving bird-friendly glass includes a glass substrate, and a first dielectric layer, a second titanium oxide layer, a third silver layer, a fourth metal layer, and a fifth dielectric layer arranged in sequence on the glass substrate; the first dielectric layer and the fifth dielectric layer are both silicon nitride layers or aluminum-doped silicon nitride dielectric layers, and the first dielectric layer, the second titanium oxide layer, the third silver layer, the fourth metal layer, and the fifth dielectric layer are all coated film layer structures formed by magnetron sputtering.

[0008] Further:

[0009] The thickness of the glass substrate is 0.4mm-20mm.

[0010] The thickness of the first dielectric layer is 10nm-50nm.

[0011] The thickness of the second titanium oxide layer is 10-50 nm.

[0012] The thickness of the third silver layer is 10-50 nm.

[0013] The thickness of the fourth metal layer is 1-5 nm.

[0014] The thickness of the fifth dielectric layer is 20-100 nm.

[0015] Compared with the prior art, the high-efficiency energy-saving bird-friendly glass has the following advantages:

[0016] The high-efficiency energy-saving bird-friendly glass is rationally designed, the glass surface is coated by magnetron sputtering, the glass product can be easily recognized by birds and avoided from being impacted without affecting the appearance, and the glass product has high ultraviolet reflectivity and energy-saving effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] The content expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:

[0018] Fig. 1 It is a glass layer structure schematic diagram of the present utility model.

[0019] Fig. 2 It is a transmittance spectrum comparison diagram of the present utility model.

[0020] Fig. 3 It is a glass surface reflectivity spectrum comparison diagram of the present utility model.

[0021] In the drawings:

[0022] 1. Glass substrate, 2. First dielectric layer, 3. Second titanium oxide layer, 4. Third silver layer, 5. Fourth metal layer, 6. Fifth dielectric layer. DETAILED DESCRIPTION

[0023] The specific embodiments of the present utility model are further described in detail by comparing the drawings and describing the embodiments.

[0024] As Figs. 1 to 3 shown, the high-efficiency energy-saving bird-friendly glass comprises a glass substrate 1, and a first dielectric layer 2, a second titanium oxide layer 3, a third silver layer 4, a fourth metal layer 5 and a fifth dielectric layer 6 are sequentially arranged on the glass substrate; the first dielectric layer and the fifth dielectric layer are both silicon nitride layers or dielectric layers doped with aluminum, and the first dielectric layer, the second titanium oxide layer, the third silver layer, the fourth metal layer and the fifth dielectric layer are all coating film layer structures formed by magnetron sputtering.

[0025] The glass substrate 1 can be made of quartz glass, silicate glass, soda-lime glass, etc., and the thickness of the glass substrate 1 is 0.4-20 mm. The first dielectric layer 2, the second titanium oxide layer 3, the third silver layer 4, the fourth metal layer 5 and the fifth dielectric layer 6 are prepared by magnetron sputtering. The first dielectric layer 2 and the fifth dielectric layer 6 are silicon nitride or aluminum-doped silicon nitride, and the aluminum content of the aluminum-doped silicon nitride is 8-12%. The fourth metal layer 5 is made of nickel-chromium. The thickness of the first dielectric layer 2 is 10-50 nm, which mainly reduces the reflectivity of titanium oxide in the visible light band and increases the visible light transmittance of the glass substrate 1. The thickness of the second titanium oxide layer 3 is 10-50 nm, which mainly provides the function of reflecting or scattering ultraviolet light. The thickness of the third silver layer 4 is 10-50 nm, which is mainly used for reflecting infrared light. The thickness of the fourth metal layer 5 is 1-5 nm, which can provide a shielding effect to prevent the silver layer from being oxidized during the coating process and thus reducing the reflectivity. The thickness of the fifth dielectric layer 6 is 20-100 nm, which reduces the reflectivity of titanium oxide in the visible light band and increases the visible light transmittance of the glass, and its high wear resistance can effectively protect the functional layer.

[0026] The high-efficiency energy-saving bird-friendly glass is reasonable in design, and the glass surface is coated by magnetron sputtering, so that the glass product can be easily recognized by birds and avoided from being hit without affecting the appearance, and meanwhile, the glass product has high ultraviolet reflectivity and energy-saving effect.

[0027] The following will be described in detail according to several embodiments of the present patent:

[0028] Embodiment 1

[0029] The high-efficiency energy-saving bird-friendly glass comprises a glass substrate 1 and a first dielectric layer 2, a second titanium oxide layer 3, a third silver layer 4, a fourth metal layer 5 and a fifth dielectric layer 6 arranged on the glass substrate 1 in sequence. The glass substrate 1 is quartz glass with a thickness of 6 mm. The first dielectric layer 2, the second titanium oxide layer 3, the third silver layer 4, the fourth metal layer 5 and the fifth dielectric layer 6 are prepared by magnetron sputtering. The first dielectric layer 2 and the fifth dielectric layer 6 are aluminum-doped silicon nitride with an aluminum content of 10%. The fourth metal layer 5 is nickel-chromium. The thickness of the first dielectric layer 2 is 20 nm. The thickness of the second titanium oxide layer 3 is 30 nm. The thickness of the third silver layer 4 is 13 nm. The thickness of the fourth metal layer 5 is 2 nm. The thickness of the fifth dielectric layer 6 is 60 nm.

[0030] Embodiment 2

[0031] The high-efficiency energy-saving bird-friendly glass comprises a glass substrate 1 and a first dielectric layer 2, a second titanium oxide layer 3, a third silver layer 4, a fourth metal layer 5 and a fifth dielectric layer 6 arranged on the glass substrate 1 in sequence. The thickness of the third silver layer 4 is 19 nm. The remaining conditions are the same as those of Embodiment 1.

[0032] Example 3:

[0033] A high-efficiency energy-saving bird-friendly glass, comprising a glass substrate 1 and a first dielectric layer 2, a second titanium oxide layer 3, a third silver layer 4, a fourth metal layer 5, and a fifth dielectric layer 6 arranged on the glass substrate 1 in sequence. The thickness of the third silver layer 4 is 23 nm. The remaining conditions are the same as those of Example 1.

[0034] Comparative Example 1:

[0035] A quartz glass substrate with a thickness of 6 mm and no film layer.

[0036] Comparative Example 2:

[0037] A single-silver Low-E glass, comprising a glass substrate and a silicon nitride layer, a nickel-chromium layer, a silver layer, a nickel-chromium layer, and a silicon nitride layer arranged on the glass substrate in sequence. The thicknesses of the film layers are 32 nm, 2 nm, 12 nm, 2 nm, and 50 nm, respectively.

[0038] The glass substrate is quartz glass with a thickness of 6 mm.

[0039] The performance parameters of Examples 1-3 and Comparative Examples 1-2 are as follows: the test results are shown in Table 1 (ultraviolet light band: 300-400 nm, visible light band: 400-780 nm, and solar light band: 300-1000 nm), the spectrum comparison of transmittance is shown in Fig. 2 , and the spectrum comparison of glass surface reflectance is shown in Fig. 3 .

[0040] Table 1: Comparison of parameters of examples and comparative examples

[0041]

[0042] As can be seen from the data in Table 1, compared with Comparative Example 1, the ultraviolet reflectance of Example 1 is increased by about 33%, and at the same time, it has a certain energy-saving effect. Compared with Comparative Example 2, the ultraviolet reflectance of Example 2 is as high as 41%, and the radiation rate, shading coefficient, and heat transfer coefficient are all lower. Therefore, the bird-friendly glass using the scheme of the present patent can protect birds and has excellent energy-saving effect.

[0043] The above only describes the preferred embodiments of the present utility model, and the above technical features can be arbitrarily combined to form multiple embodiments of the present utility model.

[0044] The utility model has been described exemplarily above in combination with the drawings, obviously, the utility model specific implementation is not limited by the above-mentioned mode, as long as various non-essential improvements of adopting the utility model's conception and technical scheme, or the conception and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A highly energy efficient bird-friendly glass comprising a glass substrate, characterized in that: The glass substrate is sequentially provided with a first dielectric layer, a second titanium oxide layer, a third silver layer, a fourth metal layer and a fifth dielectric layer; the first dielectric layer and the fifth dielectric layer are both silicon nitride layers or dielectric layers doped with aluminum, and the first dielectric layer, the second titanium oxide layer, the third silver layer, the fourth metal layer and the fifth dielectric layer are all plating film layer structures formed by magnetron sputtering.

2. The energy efficient bird friendly glass of claim 1, wherein: The thickness of the glass substrate is 0.4mm-20mm.

3. The energy efficient bird friendly glass of claim 1, wherein: The thickness of the first dielectric layer is 10nm-50nm.

4. The energy efficient bird friendly glass of claim 1, wherein: The thickness of the second titanium oxide layer is 10nm-50nm.

5. The high-efficiency, energy-saving, bird-friendly glass as described in claim 1, characterized in that: The thickness of the third silver layer is 10-50nm.

6. The energy efficient bird friendly glass of claim 1, wherein: The thickness of the fourth metal layer is 1-5nm.

7. The energy efficient bird friendly glass of claim 1, wherein: The thickness of the fifth dielectric layer is 20-100nm.

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