CN210049778U

CN210049778U - Nano-coating heat-insulating vacuum glass and passive window comprising same

Info

Publication number: CN210049778U
Application number: CN201821869618.1U
Authority: CN
Inventors: 罗淑湘; 韩克�; 邱军付; 宁店坡; 曹璐佳
Original assignee: Beijing Building Technology Development Co Ltd
Current assignee: Beijing Building Technology Development Co Ltd
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2020-02-11
Anticipated expiration: 2028-11-14

Abstract

The utility model discloses a nanometer film heat-insulating vacuum glass that scribbles, three glass two-chamber formula structure that form by three glass combinations, two sealed chambeies are vacuum seal chamber and hollow seal chamber respectively, and argon/krypton are filled to the hollow seal chamber. Form aThe vacuum sealing cavity side of one of the two pieces of glass in the vacuum sealing cavity is coated with nano transparent energy-saving glass paint, and the glass on the outer side of the formed hollow sealing cavity is low-emissivity coated glass. Or the side of the hollow sealing cavity of one piece of glass in the two pieces of glass forming the hollow sealing cavity is coated with the nano transparent energy-saving glass coating, and the glass on the outer side of the formed vacuum sealing cavity is the low-emissivity coated glass. A passive window comprising the vacuum glass is also disclosed. The utility model discloses a compound transparent energy-conserving glass coating layer of nanometer and Low-E coating film layer in three glass two chambeies glass realizes intelligent regulation solar heat radiation, and visible light transmittance is high. The whole window heat transfer coefficient of the passive window is 0.8W/(m) ²K) below, a shading coefficient of 0.2-0.35.

Description

Nano-coating heat-insulating vacuum glass and passive window comprising same

Technical Field

The utility model relates to a thermal-insulated toughened glass technical field especially relates to a nanometer film heat-insulating vacuum glass and contain this vacuum glass's passive window.

Background

The existing common window is made of common single glass or double glass, some of the common windows can use double-layer vacuum or hollow glass, but the heat transfer coefficients of the common windows are higher and are generally 2.5W/(m) ²K) above, so that a large amount of heat is lost through the door and window. And the window body section bar of the existing window body has higher heat transfer coefficient, and can not well prevent heat loss. And the existing window body has poor air tightness and poor rigidity. These all result in the defects of low heat insulation performance, serious indoor condensation phenomenon, no energy conservation, poor safety and the like.

It is therefore evident that the above-mentioned conventional glasses have disadvantages and drawbacks in structure, method and use, and further improvements are desired. How to create a new nano-coating heat-insulation vacuum glass and a passive window comprising the vacuum glass, so that the heat insulation, intelligent adjustment and safety of the vacuum glass can be greatly improved, and the vacuum glass becomes an object of great improvement in the current industry.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a nanometer film heat insulation vacuum glass, make it have good visible light transmissivity and lower coefficient of heat transfer to overcome current vacuum glass's not enough.

In order to solve the technical problem, the utility model provides a nanometer film thermal-insulated vacuum glass, vacuum glass is the two cavate structures of three glasses that form by three glass combinations, two sealed chambeies in the two cavate structures of three glasses are vacuum seal chamber and hollow seal chamber respectively.

As an improvement of the utility model, the side of the vacuum sealing cavity of one piece of glass in the two pieces of glass forming the vacuum sealing cavity is coated with nano transparent energy-saving glass paint.

Further improved, the outside glass forming the hollow sealed cavity is low-emissivity coated glass.

Further improved, the side of the hollow sealed cavity of one of the two pieces of glass forming the hollow sealed cavity is coated with nano transparent energy-saving glass paint.

Further improved, the glass on the outer side of the vacuum sealing cavity is low-emissivity coated glass.

Further improved, the three pieces of glass are all made of toughened glass.

Further improvement, pivot points are printed between two pieces of glass forming the vacuum sealing cavity in a uniformly dispersed manner, and the pivot points are made of high-temperature-resistant glass glaze.

In a further improvement, the thickness of the toughened glass is about 5mm, the thickness of the cavity of the hollow sealed cavity is about 22mm, and the hollow sealed cavity is filled with argon or krypton.

The utility model also provides a passive window, including glass portion and window body section bar, glass portion adopts and to film thermal-insulated vacuum glass as above-mentioned nanometer, the window body section bar adopts the glass steel material.

In a further improvement, the heat transfer coefficient of the passive window reaches 0.8W/(m) ²K) the shading coefficient is: 0.2 to 0.35.

After adopting such design, the utility model discloses following advantage has at least:

1. the utility model discloses a compound transparent energy-conserving glass coating layer of nanometer and Low-E coating film layer in three glasss two chamber glass, can effectual intelligent regulation solar heat radiation, and have higher visible light transmissivity, if be greater than about 40%, reach the purpose of daylighting good and intelligent regulation indoor temperature.

2. The utility model discloses a three-layer glass all adopts toughened glass, has improved this nanometer and has filmed thermal-insulated vacuum glass's security greatly.

3. The utility model discloses the window body section bar of passive window adopts the glass steel material, has that matter is light, excels in, the weatherability is good, heat preservation heat-proof quality is fabulous, the leakproofness is good, the sound insulation is good and the price/performance ratio is high advantage.

4. The whole window heat transfer coefficient of the passive window of the utility model reaches 0.8W/(m) ²K) the following, shading coefficient SC: 0.2-0.35, the heat loss of the whole window tends to be lower.

Drawings

The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

Fig. 1 is a schematic sectional view of a nano-coated heat-insulating vacuum glass according to an embodiment of the present invention.

Fig. 2 is a schematic sectional view of the structure of a second embodiment of the nano-coated heat-insulating vacuum glass of the present invention.

Detailed Description

Example one

Referring to fig. 1, the nano-coated heat-insulating vacuum glass of the embodiment is a three-glass two-cavity structure formed by combining three pieces of

glass

1, 2 and 3, and two sealed cavities in the three-glass two-cavity structure are a vacuum sealed cavity 6 and a hollow sealed cavity 8 respectively.

In this embodiment, the three pieces of

glass

1, 2, and 3 are made of tempered glass, the thickness of the tempered glass is about 5mm, the thickness of the hollow sealed cavity 8 is about 22mm, and argon or krypton is filled in the hollow sealed cavity 8. Therefore, the heat-insulating property and the safety performance of the vacuum glass consisting of the three layers of toughened glass can be greatly improved through the double heat-insulating properties of the vacuum sealing cavity and the hollow sealing cavity and the hardness property of the toughened glass.

The preferred embodiment is that the vacuum sealed cavity side of the glass 2 in the two pieces of

glass

2 and 3 forming the vacuum sealed cavity 6 is coated with the nano transparent energy-saving glass coating 4, and the outer side glass 1 forming the hollow sealed cavity 8 is Low-radiation coated glass, that is, the nano coated heat-insulating vacuum glass is high-transmittance Low-E hollow toughened glass composite nano coated vacuum toughened glass. Of course, the nano transparent energy-saving glass coating 4 can also be coated on the inner surface of the glass 3.

The Low-radiation coating 5 in this embodiment is made of a Low-E coating material that is commercially available, and has high transmittance to visible light and high reflection to mid-and far-infrared rays, so that the vacuum glass has excellent heat insulation effect and good light transmittance, and finally the visible light transmittance of the vacuum glass is greater than 40%.

The nano transparent energy-saving glass coating 4 in the embodiment adopts the existing intelligent nano transparent heat-insulating glass coating, such as the intelligent nano transparent heat-insulating glass coating disclosed in the applicant's prior patent application (application number 200910091203.5, name of the invention: intelligent nano transparent heat-insulating glass coating). The intelligent nano transparent heat-insulation glass coating is coated on toughened glass, can play a role in intelligently adjusting indoor temperature, can reduce the transmittance of near infrared rays when the outdoor temperature is higher than 35 ℃, and can improve the transmittance of the near infrared rays when the outdoor temperature is lower than 35 ℃, so that the glass can automatically adjust the transmittance of the near infrared rays along with the temperature change, the functions of heat preservation in winter, heat obtaining, sun shading in summer, lighting and heat insulation are realized, and the energy-saving effect is greatly improved.

This application combines together this transparent heat preservation insulating glass coating layer glass of intelligence nanometer and Low-E coating film layer glass, more can provide favourable effect for indoor daylighting, thermal-insulated function, provides the assurance for using this glass for passive window.

In addition, in the embodiment, the fulcrum 7 is printed between the two pieces of

glass

2 and 3 forming the vacuum sealed cavity 6 in a uniformly dispersed manner, and the fulcrum 7 is made of high-temperature-resistant glass glaze and can play a role in supporting the two pieces of glass.

In addition, the outer glass 3 corresponding to the vacuum sealing cavity 6 is provided with an air exhaust hole 9 for connecting with a vacuum air exhaust device to realize the vacuum pumping of the vacuum sealing cavity. Preferably, an evaporable getter 10 is placed at the lower part of the air exhaust hole 9; the evaporable getter 10 can absorb gas in the sealed cavity, and ensure the transparency of glass.

Example two

The difference between the second embodiment and the first embodiment is that the sealed cavity side of the glass 1 ' in the two pieces of glass 1 ', 2 ' forming the hollow sealed cavity 8 ' is coated with the nano transparent energy-saving glass paint 4 '. And the outer glass 3 'forming the vacuum sealed cavity 6' is Low-radiation coated glass, namely the nano-coated heat-insulation vacuum glass is high-light-transmission Low-E vacuum toughened glass composite nano-coated hollow toughened glass. Of course, the nano transparent energy-saving glass paint 4 'can also be coated on the hollow sealed cavity side of the glass 2'. The rest of this embodiment is the same as the first embodiment, and will not be described herein again.

The nano coating film heat insulation vacuum glass obtained in the two embodiments can be used as a glass part of a passive window, and a window profile of the passive window is made of 75 series glass fiber reinforced plastic materials. The glass fiber reinforced plastic section has the density of about 1.8, is about 4 to 5 times lighter than steel, has high strength, has the tensile strength of about 350 to 450MPa, is close to common carbon steel, and has the bending strength of about 388MPa, so that the glass fiber reinforced plastic section does not need to be reinforced by a steel lining.

The window body section structure made of the glass fiber reinforced plastic material can adopt the existing passive window body structure, the air tightness is good, and the wind pressure resistance of the window body section structure is detected to be about 5.3Kpa and exceeds the 8-level in the international GB/T7106-2002 standard.

The whole window heat transfer coefficient of the passive window product reaches 0.8W/(m) ²K) the shading coefficient is: 0.2-0.35, and has the characteristics of light weight, high strength, good weather resistance, excellent heat insulation, good sealing property, good sound insulation and high cost performance.

The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.

Claims

1. The nanometer film-coated heat-insulation vacuum glass is characterized in that the vacuum glass is a three-glass two-cavity structure formed by combining three pieces of glass, and two sealing cavities in the three-glass two-cavity structure are respectively a vacuum sealing cavity and a hollow sealing cavity;

the side of the vacuum sealing cavity of one of the two pieces of glass forming the vacuum sealing cavity is coated with nano transparent energy-saving glass paint, and the glass on the outer side of the hollow sealing cavity is low-emissivity coated glass; alternatively, the first and second electrodes may be,

the side of the hollow sealing cavity of one of the two pieces of glass forming the hollow sealing cavity is coated with nano transparent energy-saving glass paint, and the glass on the outer side of the vacuum sealing cavity is low-emissivity coated glass.

2. The nano-coated heat-insulating vacuum glass as claimed in claim 1, wherein the three pieces of glass are all toughened glass.

3. The nano film-coated heat-insulating vacuum glass as claimed in claim 1, wherein fulcrums are printed between two pieces of glass forming the vacuum sealed cavity in a uniformly dispersed manner, and the fulcrums are made of high-temperature-resistant glass glaze.

4. The nano film heat-insulating vacuum glass according to claim 2, wherein the thickness of the tempered glass is about 5mm, the thickness of the hollow sealed cavity is about 22mm, and argon or krypton gas is filled in the hollow sealed cavity.

5. A passive window, characterized in that, it comprises a glass part and a window profile, the glass part adopts the nano film heat insulation vacuum glass of any one of claims 1 to 4, and the window profile adopts glass fiber reinforced plastic material.

6. The passive window of claim 5, having a heat transfer coefficient of up to 0.8W/(m ²K) the shading coefficient is: 0.2 to 0.35.