Automatic vacuum-pumping food preservation device and using method thereof

Abstract

The invention discloses an automatic vacuum-pumping food preservation device and a using method thereof, and relates to the technical field of food preservation. The device comprises a bottom plate, wherein two sets of symmetrical columns are fixedly connected to the upper surface of the bottom plate, the top ends of the columns are fixedly connected with a top plate, the upper surface of the bottom plate is fixedly provided with a control panel, the front surface of the control panel is provided with a switch button, and the bottom surface of the top plate is fixedly provided with an electricpush rod. According to the automatic vacuum-pumping food preservation device and the using method thereof, through the joint action of the switch button, the control panel, the columns, the movable plate, a first travel switch, a second travel switch, the electric push rod, a vacuum pump, a negative pressure sensor, a support plate, a telescopic rod, a second spring, a piston, a step column, a one-way valve and an air extraction hole, the device has the advantages that the vacuum in a box body can be monitored in real time, the vacuum state in the box body is ensured, and the problem that thegeneral vacuum preservation device cannot subsequently monitor the vacuum inside the box body containing food is solved.

Description

technical field [0001] The invention relates to the technical field of food preservation, in particular to an automatic vacuuming food preservation device and a use method thereof. Background technique [0002] Fresh-keeping refers to keeping vegetables, fruits, meats and other perishable foods fresh. The fresh-keeping box is a container that is convenient for food preservation. The fresh-keeping box is not only convenient and practical, but also can store food in different categories. In order to ensure that people place food in isolation as much as possible to prevent cross-contamination, it has a good preservation effect, can prevent moisture from dispersing, and avoid food from losing its original flavor during storage. With the rapid development of society, consumers pay attention to health. The degree is increasing day by day, and the requirements for food preservation boxes are also getting higher and higher. [0003] The general vacuum preservation device adopts the...

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Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic vacuum food preservation device, which has the advantages of real-time monitoring of the vacuum inside the box to ensure that the inside of the box is in a vacuum state. The vacuum inside the food box is monitored, and the preservation effect is not good.

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