Patent ID: 11925210
Assignee: CHINA TOBACCO GUANGDONG INDUSTRIAL CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. An electric heating device having an air channel, the electric heating device comprising an upper cover component and a lower shell component; wherein the upper cover component comprises an upper shell and a guiding tube for inserting a tobacco product therein;
the lower shell component comprises a lower shell, and a battery, a control element, and a heater component which are arranged in the lower shell; and the lower shell is detachably connected with the upper shell;
the heater component comprises a heater shell, a heating member and a heating member base which are arranged in the heater shell; the heating member is arranged on the heating member base; and the heating member is connected with the control element;
one end of the guiding tube is connected with the upper shell, the other end of the guiding tube extends into the heater shell, and the heating member is at least partially located in the guiding tube; and
the heating member base is provided with a ventilation portion to guide an air flow to the heating member; the lower shell is provided with a first air inlet, the heater shell is provided with a second air inlet, and the air flow is led to the heating member from an outside of the lower shell through the first air inlet, the second air inlet, and the ventilation portion in sequence, wherein the ventilation portion comprises at least one groove arranged at a top portion of the heating member base, and a side wall of the heating member base is provided with an opening communicated with the groove.