Refrigerator and control method thereof
A control method and refrigerator technology, which is applied in household refrigerators, household refrigeration devices, coolers, etc., can solve the problems of mutual pollution of food materials and refrigerator pollution, and achieve the effects of avoiding mutual pollution, improving efficiency, and avoiding insufficient heating temperature
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[0056] In other embodiments, the vacuum chamber 36 can also be provided with a position detection device, specifically, a microwave sensor or an infrared sensor can be used to detect whether a packaging bag is inserted into the vacuum chamber 36, and send a signal whether the packaging bag is in place, Controls the vacuuming operation.
[0057] The vacuum package structure 3 includes a vacuum component 35 . The vacuum assembly 35 communicates with the vacuum cavity 36. The vacuum assembly 35 vacuumizes the vacuum cavity 36, thereby vacuumizes the entire closed cavity, and realizes the vacuum operation of the packaging bag 80.
[0058] see Figure 4 The outer periphery of the first cavity 311 is provided with a first sealing groove on the first support 31, and a first sealing ring 312 is arranged in the first sealing groove. The second support 32 defines a second sealing groove on the outer periphery of the second cavity 322 . A second sealing ring 322 is also disposed in t...
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