Portable heatable lunch box

Abstract

The invention discloses a portable heatable lunch box. The portable heatable lunch box comprising a box body is characterized in that the lunch box further comprises a thermoelectrical refrigeration component, temperature sensors and a control circuit, a cavity is formed in the bottom of the box body, the thermoelectrical refrigeration component is arranged in the cavity, the temperature sensors are arranged in an inner cavity of the box body, and the thermoelectrical refrigeration component and the temperature sensors are connected with the control circuit; the inner cavity of the box body is divided into four parts, and each part is provided with one temperature sensor; the temperature sensors are 2-5cm away from refrigeration plates of the thermoelectrical refrigeration component; the lunch box is further provided with a temperature protection circuit which comprises a cooling fan and a cooling temperature sensor, and the cooling fan and the cooling temperature sensor are connected with the control circuit. The portable heatable lunch box can heat and warm food therein conveniently and is convenient and quick to use.

Description

technical field [0001] The invention relates to daily necessities, particularly to a lunch box, in particular to a portable heatable lunch box. Background technique [0002] At present, there are many kinds of common lunch boxes. The portable lunch box is mainly composed of a box-shaped shell, and its material is mainly plastic or stainless steel. When the weather is cold, the food in the lunch box cools down faster, and it is inconvenient to eat directly. It is time-consuming and laborious to use, and it is inconvenient to find other heating appliances for heating. Contents of the invention [0003] The object of the present invention is to provide a portable heatable lunch box for the deficiencies of the prior art, which can conveniently heat and keep the food in the box, and is convenient and quick to use. [0004] The technical scheme that realizes the object of the present invention is: [0005] A portable heatable lunch box, comprising a box body, a thermoelectric ...

AI Technical Summary

Problems solved by technology

[0002] At present, there are many types of common lunch boxes. Portable lunch boxes are mainly composed of box-shaped shells, and the materials are mainly plastic or stainless steel. The lunch boxes with this structure are not enough The disadvantage is that the heat preservation effect is poor, and the lunch box itself does not have a heating function. Especially when the weather is cold, the food in the lunch box cools down faster, which is inconvenient to eat directly. It is time-consuming and labor-intensive, and inconvenient to use.

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