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Glass welded composite vacuum plate with getter and production method thereof
The invention discloses a glass welded composite vacuum plate with a getter. The glass welded composite vacuum plate comprises a panel, core veneers and a vacuum cavity and is characterized in that the panel is fixed on the upper outer surface of the vacuum cavity by either a welding way or a gluing way, the core veneers are placed in the inner bottom part of the vacuum cavity, the panel and/or the connecting layer are used for providing additional strength to the vacuum cavity to ensure the smoothness of the vacuum cavity at barometric pressure, and the vacuum cavity is a closed cavity formed by carrying out glass welding at normal pressure and high temperature and sealing at high pressure to a low carbon steel plate; the sealing is that an extraction opening preformed in the vacuum cavity is automatically sealed by a low temperature solder in a vacuum furnace according to a liquid sealing theory, and a support and a getter are arranged in the vacuum cavity. A production method of the composite vacuum plate with the getter provided by the invention is simple in process, the defects of an existing insulation board and an existing vacuum insulated panel can be overcome, and the strength, heat insulation, sound insulation and fire resistance can be improved.
Glass welded composite vacuum plate with getter and production method thereof
The invention discloses a glass welded composite vacuum plate with a getter. The glass welded composite vacuum plate comprises a panel, core veneers and a vacuum cavity and is characterized in that the panel is fixed on the upper outer surface of the vacuum cavity by either a welding way or a gluing way, the core veneers are placed in the inner bottom part of the vacuum cavity, the panel and/or the connecting layer are used for providing additional strength to the vacuum cavity to ensure the smoothness of the vacuum cavity at barometric pressure, and the vacuum cavity is a closed cavity formed by carrying out glass welding at normal pressure and high temperature and sealing at high pressure to a low carbon steel plate; the sealing is that an extraction opening preformed in the vacuum cavity is automatically sealed by a low temperature solder in a vacuum furnace according to a liquid sealing theory, and a support and a getter are arranged in the vacuum cavity. A production method of the composite vacuum plate with the getter provided by the invention is simple in process, the defects of an existing insulation board and an existing vacuum insulated panel can be overcome, and the strength, heat insulation, sound insulation and fire resistance can be improved.
Glass welded composite vacuum plate with getter and production method thereof
DAI CHANGHONG (author)
2015-07-01
Patent
Electronic Resource
English
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