▎ 摘　　要

NOVELTY - The utility model claims a non-blade tower fan with cooling and heating function, comprising a lower shell and an upper shell set on the lower shell, the inner part of the lower shell is provided with a vortex cavity, the vortex cavity is provided with a rotating turbine; the upper shell is provided with an air channel, the air channel is connected with the vortex cavity; the upper shell is provided with an air outlet, the air outlet is provided with a heating device, the heating device adopts the way of combining the PTC heating body and the graphene material as the air outlet, at the same time, the power distribution of the two can be adjusted; the negative pressure is generated in the vortex cavity, the air is sucked into the vortex cavity, and the air is sent to the air channel in the continuous rotating process of the turbine, the air passes through the air outlet and the heat generated by the heating device is taken out so as to realize the function of hot air sending out; it only needs to cut off the power supply of the heating device when blowing hot air; The utility model has simple structure, convenient operation and meets the winter and summer use scenes.