Commodity circulation insulation can

The utility model discloses a commodity circulation insulation can, including outer box and interior box, interior box is removable to unload the connection outside on the box, all install corresponding connecting pipe on two medial surfaces of interior box, connecting pipe one end and inner box body coupling, its other end all is connected with a heat preservation device, the heat preservation device is hugged closely the internal surface of inner box and is set up, install the heat collecting sheet on the heat preservation device, the internal power supply unit that installs of inner box, power supply unit is heat preservation device and heat collecting sheet power supply, interior box is close to the switch that the work of control heat preservation device was installed to the top surface opening part, this commodity circulation insulation can has good protection nature, be difficult for receiving the damage, what the ability was better plays the guard action to inside article, thermal insulation performan