Portable heating type heat preservation box

[0016] The present invention will be described in further detail below in conjunction with accompanying drawing embodiment:

[0017] figure 1 The portable heating insulation box shown has a box body 1 surrounded by a top plate 12, a bottom plate 11 and a side plate 13. The top plate 12 of the box body 1 is embedded with an aluminum plate 2, and the lower end of the aluminum plate 2 is provided with a ceramic heating plate. 3. There are four ceramic heaters 3 arranged side by side; the box body 1 is equipped with a battery 5 that provides power for the ceramic heater 3, and the battery 5 is a 12v rechargeable lithium battery; the side plate 13 of the box body 1 is equipped with a device There is a power button 8 for controlling the on or off of the ceramic heater 3 and a charging port connected to the battery 5 and a power display board, the charging port is the charging port of the electric vehicle charger; one end of the ceramic heater 3 is provided with a temperature measuring probe 4 , the box body 1 is provided with a temperature control module 6 connected with the temperature measuring probe 4; the side plate 13 of the box body 1 is provided with a temperature display panel 7 connected with the temperature control module 6; the temperature measuring probe 4 is NTC10K/B3950 measuring temperature probe; the temperature control module 6 is a W1308 digital temperature control module.

[0018] When in use, press the power button to heat the food. During the heating process, the heating process has a constant temperature, no open flame, no red surface, and can intuitively understand the real-time temperature and power status. It is not only easy to operate, safe, reliable, and energy-saving. Durable, easy to carry, and convenient for staff riding electric vehicles to use and charge.