Movable preservation box

Abstract

The invention discloses a movable preservation box. The movable preservation box comprises a box body and a box cover covered on the upper part of the box body, wherein a first gas passageway, a second gas passageway, a first vacuum pump connected with the first gas passageway, and a second vacuum pump connected with the second gas passageway are arranged in the box body. The outer wall of the box body is respectively provided with a first outer air opening and a second outer air opening, the second outer air opening is tightly connected with the first vacuum pump and the first outer air opening is tightly connected with the second vacuum pump; a temperature sensor for detecting the internal temperature of the box body, a pressure sensor for detecting the internal pressure of the box body, and a control chip which is electrically connected with the temperature sensor, the pressure sensor, and electromagnetic switches for the first and second vacuum pumps respectively are arranged in the box body; an operating panel electrically connected with the control chip is arranged on the box body or the box cover. The movable preservation box has the temperature and air pressure adjusting functions, meanwhile the air inlet is provided with an air filtering apparatus, thus the problem of taint odor among different food in the preservation box can be solved.

Description

technical field [0001] The invention relates to the field of household appliances or the field of food delivery, in particular to a movable fresh-keeping box. Background technique [0002] With the improvement of people's living standards, how to obtain healthy, safe and fresh food has received more and more attention. Some domestic merchants that provide services for high-end consumer groups adopt the method of direct food distribution, delivering fresh vegetables or meat to users' homes, but the transportation cost of this method is high. [0003] Another solution is to set up one or several large-scale food transfer stations in the community to temporarily store and distribute food, and customers can pick up the purchased food by themselves. This method saves the time and distance needed for door-to-door delivery, but the difficulty in its implementation lies in the freshness and safety of food when it is located in the transit station. In the invention patent "A fresh ...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of food preservation in supermarkets, community transfers and users’ homes, the purpose of the present invention is to provide a movable fresh-keeping box, which can provide functions such as temperature and air pressure adjustment according to needs, and at the same time, an air inlet can be provided. The filter device can solve the problem of cross-flavors between different foods in the fresh-keeping box

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