Convex surface low altitude glass welded by using glass welding material in microwave welding manner and provided with ditch groove edge sealing, and manufacturing method thereof

Abstract

The present invention relates to a low altitude glass, which is characterized in that an upper glass and a lower glass of the low altitude glass are convex surface glasses, wherein the welding periphery of the upper glass is provided with an edge sealing strip frame, the welding periphery of the lower glass is provided with an edge sealing ditch groove, and a glass welding material is adopted to integratedly weld the upper glass and the lower glass in a microwave oven, such that low altitude glass manufacturing is simple and convenient, and a sealing effect is ensured through engagement of the edge sealing strip frame and the edge sealing ditch groove. The manufacturing method has characteristics of simple process, low cost, high production efficiency, reliable sealing and good sealing effect. With the technology, large mass manufacturing of the low altitude glass through the one-step method can be achieved, wherein the manufactured low altitude glass has characteristics of strong wind load resistance, good thermal insulation and good acoustic insulation. In addition, with the method, the universal low altitude glass can be manufactured, and the tempered low altitude glass can be manufactured.

Description

technical field [0001] The invention relates to the processing and manufacturing of low-altitude glass, in particular to a method for making low-altitude glass and its products. Background technique [0002] With the strengthening of environmental protection and energy saving awareness, insulating glass has been widely promoted and applied, effectively improving the thermal insulation and sound insulation performance of doors and windows. The distance between two pieces of flat glass of insulating glass, that is, the thickness of the air layer determines the effect of heat preservation and sound insulation. The thicker the air layer, the better the heat preservation and sound insulation effect, but increasing the thickness of the air layer will increase the thickness of the door and window frames. Therefore, it will increase the production cost of doors and windows; other methods, such as the use of coated glass, film sticking and filling inert gas in the middle of insulatin...

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Problems solved by technology

Due to the organic sealant itself containing moisture, poor anti-aging performance, poor air tightness and other reasons, the insulating glass often fails, which seriously affects the service life of the insulating glass.

[0004] The air in the air layer of insulating glass is sealed between two pieces of glass. Due to the change of external temperature, the pressure of the air layer will change. When the external temperature is high, the pressure is greater than atmospheric pressure and the glass is convex. When the external temperature is low, the pressure is lower than atmospheric pressure. , The glass is concave, resulting in the so-called "breathing" phenomenon, which affects the normal service life of the insulating glass

[0005] The patent "convex low-altitude glass, flat low-altitude glass and its preparation method" applied by the applicant of the present invention describes the edge sealing of low-altitude glass in a high-temperature edge-sealing furnace by using conventional heating to weld two pieces of glass together with low-temperature solder. The disadvantages of conventional heating are long heating time, slow heating rate, slower cooling rate, high energy consumption, and poor heating uniformity, especially when making Low-E low-altitude glass, because the Low-E film seriously restricts radiation heat transfer, so its disadvantages more prominent

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