Micro-vacuum pre-cooling or pre-heating structure

• Main Authors: FAN DEZHONG, QIU LI, LIU YUSONG, QIU QINGSHAN, XU ZHIKANG
• Format: Patent
• Language: Chinese; English
• Published: 08.07.2022
• Subjects: BLASTING; COLD ROOMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION; HEAT PUMP SYSTEMS; HEATING; ICE-BOXES; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; OTHER DOMESTIC STOVES OR RANGES; RANGES; REFRIGERATION OR COOLING; REFRIGERATORS; VENTILATING; WEAPONS

The utility model discloses a micro vacuum precooling or preheating structure which comprises an inner container, a vacuum assembly and a temperature changing mechanism, the inner container is provided with an air suction hole and an air outlet hole, the vacuum assembly comprises a vacuum pump and an electromagnetic valve, the vacuum pump is communicated with the air outlet hole to extract air in the inner container, and the air suction hole is communicated with the electromagnetic valve to control opening and closing of the air suction hole. And the vacuum assembly is arranged in the inner container, so that a micro-vacuum environment is achieved in the cavity, the spreading speed of cold and heat is higher, and the heat energy spreading efficiency is improved. The heating and refrigerating efficiency of the inner container can be improved, and the time required for pre-cooling and pre-heating is shortened. 本实用新型公开了微真空预冷或预热结构，包括内胆、真空组件和变温机构，内胆设有吸气孔和出气孔，真空组件包括真空泵和电磁阀，真空泵与出气孔相连通以抽取内胆内的空气，吸气孔与电磁阀相连通以控制吸气孔的开闭。通过