[China Glass Net] Insulating glass should be continuously exposed to external environmental corrosion and external force during the whole life cycle of use. After using for a period of time, some insulating glass will have various quality problems.
There are two main types: one is the failure of the insulating performance of the insulating glass (gas leakage), which causes the dew point of the insulating glass to lose its thermal insulation function; the second is that the hollow glass bursts and the outer piece falls off, which is likely to cause serious safety hazards. In particular, the failure of the insulating performance of the insulating glass leads to a decrease in its load-carrying capacity, and the outer sheet is more likely to fall off under the action of an external force. Therefore, to study the basic theory of the bearing properties of insulating glass, the insulating glass equipment of insulating glass equipment understands the strength characteristics and deformation characteristics of insulating glass under external load, reasonably designs the size of insulating glass structure, and proposes a set of hollow glass sealing performance failure scene. The detection method is of great significance for guiding the application of insulating glass engineering, reducing the failure probability of insulating glass and ensuring the safe and reliable use of insulating glass.
The reason why the insulating glass is energy-saving is because there is a gas spacer layer, and the thickness of the gas spacer layer plays a vital role in the heat insulation property, and the parameter is the heat conduction coefficient K. The thickness of the gas spacer is directly related to the magnitude of the K value. In the case where the glass material and the sealing structure are the same, in general, the larger the gas spacer layer, the smaller the K value. However, when the thickness of the gas layer reaches a certain level, the change in the K value is small. Because when the thickness of the gas layer reaches a certain level, the gas will produce a certain convection process under the influence of the temperature difference between the glass, thereby reducing the effect of thickening of the gas layer. When the gas layer was increased from 1 mm to 10 mm, the K value decreased by 39% when the white glass hollow was filled with air, the K value decreased by 54% when the Low-E insulating glass device was filled with air, and the K value decreased by 59% when the argon gas was filled. When increasing from 10mm to 13mm, the descent speed starts to slow down. After 13mm, the K value has a slight rebound.
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