Lunch box used for pupils

Abstract

The invention discloses a lunch box used for pupils. The lunch box comprises a lunch box case, wherein a handle is arranged above the lunch box case, the lunch box case is divided into a heating and thermal insulation area and a natural cooling area, three rectangular grooves are arranged in the heating and thermal insulation area from top to bottom, a thermal-insulation layer is arranged between each rectangular groove and the lunch box case, a drawer is arranged in each rectangular groove, a first drawer, a second drawer and a third drawer are arranged from top to bottom, a heat transfer layer is arranged below the third drawer, an electric heating plate is arranged below the heat transfer layer, a storage battery and a controller are arranged below the electric heating plate, a temperature sensing element is arranged between the lunch box case and the second rectangular groove, a chopstick barrel is fixedly connected with the side surface of the lunch box case, the upper end of the chopstick barrel is rotationally connected with a barrel lid, the heat transfer layer is heated by the electric heating plate, and food stored in the first drawer, the second drawer and the third drawer is prevented from being cooled.

Description

technical field [0001] The invention relates to the field of school supplies, in particular to a lunch box used by primary school students. Background technique [0002] Now some primary school students live and eat in the cafeteria, and some primary school students like to take the meals in the school cafeteria with the dormitory, so that the food will gradually become cold on the way back and forth, thus affecting the taste of the food. And packaged meals generally use disposable lunch boxes or synthetic material lunch boxes. Although they are easy to use and low in cost, a large amount of garbage will be produced after use, causing environmental pollution. The disposal of these garbage has become an important issue. In order to solve the above problems, degradable materials are usually used to manufacture lunch boxes in the prior art. Since these lunch boxes use degradable materials, the garbage generated after use can be degraded, reducing environmental pollution. [00...

AI Technical Summary

Problems solved by technology

[0002] Now some primary school students live and eat in the cafeteria, and some primary school students like to bring the meals in the dormitory to eat in the school cafeteria, so that the food will gradually become cold on the way back and forth, thus affecting the taste of the food

And packaged meals generally use disposable lunch boxes or synthetic material lunch boxes. Although they are easy to use and low in cost, a large amount of garbage will be generated after use, causing environmental pollution. The disposal of these garbage has become an important issue.

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