▎ 摘　　要

NOVELTY - A heating portable heat preservation bag, comprising: an insulating bag main body, the insulating bag main body inner bottom end is provided with a placing groove, the placing groove is provided with graphene heating plate; one side of the back part of the insulating bag main body is fixedly connected with a temperature display, the temperature display is electrically connected with the sensor, the sensor is jointed with the heating plate graphene one graphene of the heating plate is electrically connected with the USB connecting line, the front part of the heat preservation bag main body is provided with a fixing port, one side of the heat preservation bag main body close to the fixing port is fixedly connected with the two sides of the limiting frame fixedly connected with the spring, the beneficial effects of the utility model model are as follows: the external power supply is a heating plate for heating, function can keep constant temperature of the heat preservation bag for a long time, and the temperature display set at one side can display the temperature in real time, it is convenient to switch the heating plate according to the requirement, at the same time, it adopts three-layer packaging structure, it not only can preserve heat and water, but also can increase bearing, it is very good for use, and the structure of the fixed USB connecting line installed on the heat preservation bag can be convenient to connect the power supply.