Electronic atomization device

Abstract

An electronic atomization device is provided. The device includes a liquid storage cavity storing a liquid substrate; an atomization assembly for atomizing the liquid substrate to generate an aerosol; an inhalation port, a first air inlet, and a first airflow channel, jointly defining a first airflow path from the first air inlet through the atomization assembly to the inhalation port; an airflow sensor for sensing an airflow change in the first airflow channel; an operating element configurable between a first configuration and a second configuration, the operating element closing or covering the first air inlet in the first configuration to prevent external air from entering through the first air inlet, the operating element opening or exposing the first air inlet in the second configuration; a battery cell; and a circuit board controlling to supply power to the atomization assembly based on the sensing of the airflow sensor.

1 . An electronic atomization device comprising:
 a liquid storage cavity configured to store a liquid substrate;   an atomization assembly configured to atomize the liquid substrate to generate an aerosol;   an inhalation port;   a first air inlet, and a first airflow channel located between the first air inlet and the inhalation port, wherein the first airflow channel defines a first airflow path from the first air inlet through the atomization assembly to the inhalation port, to transmit the aerosol to the inhalation port;   an airflow sensor, in airflow communication with the first airflow channel and configured to sense an airflow change in the first airflow channel;   a battery cell configured to supply power to the atomization assembly;   a circuit configured to control, based on a sensing result of the airflow sensor, the battery cell to supply power to the atomization assembly; and   an operating element arranged to be configurable between a first configuration and a second configuration, wherein the operating element closes or covers the first air inlet in the first configuration to prevent external air from entering the first airflow channel through the first air inlet, and the operating element opens or exposes the first air inlet in the second configuration.   
     
     
         2 . The electronic atomization device according to  claim 1 , wherein the circuit is configured to prevent, when the operating element is in the first configuration, the battery cell from supplying power to the atomization assembly. 
     
     
         3 . The electronic atomization device according to  claim 1 , further comprising:
 a second air inlet, and a second airflow channel located between the second air inlet and the inhalation port, wherein the second airflow channel defines a second airflow path from the first air inlet to the inhalation port.   
     
     
         4 . The electronic atomization device according to  claim 3 , wherein the operating element opens or exposes the second air inlet in the first configuration; and the operating element closes or covers the second air inlet in the second configuration, to prevent the external air from entering the second airflow channel through the second air inlet. 
     
     
         5 . The electronic atomization device according to  claim 3 , wherein an area of the second air inlet is greater than an area of the first air inlet, or a quantity of second air inlets is greater than a quantity of first air inlets. 
     
     
         6 . The electronic atomization device according to  claim 1 , further comprising:
 a shell, at least partially defining a surface of the electronic atomization device,   wherein at least a part of the operating element is exposed outside the shell and is constructed to be movable relative to the shell, to change a configuration between the first configuration and the second configuration.   
     
     
         7 . The electronic atomization device according to  claim 6 , further comprising:
 a damping element, located between the operating element and the shell, to provide damping in movement of the operating element.   
     
     
         8 . The electronic atomization device according to  claim 6 , wherein:
 the airflow sensor comprises a first side and a second side that face away from each other, wherein the first side is in airflow communication with the first airflow channel;   an air hole is further provided on the shell, to communicate the second side with an external atmosphere;   the operating element closes or covers the air hole in the first configuration, to isolate the second side from the external atmosphere, to prevent the airflow sensor from sensing the airflow change in the first airflow channel; and   the operating element opens or exposes the air hole in the second configuration, to communicate the second side with the external atmosphere.   
     
     
         9 . The electronic atomization device according to  claim 1 , wherein the operating element prevents the airflow sensor from sensing the airflow change in the first airflow channel in the first configuration, and allows the airflow sensor to sense the airflow change in the first airflow channel in the second configuration. 
     
     
         10 . The electronic atomization device according to  claim 1 , wherein:
 the electronic atomization device further comprises a second air inlet;   a configuration of the operating element further comprises a third configuration;   the operating element opens the first air inlet and closes the second air inlet when in the third configuration; and   the third configuration is located between the first configuration and the second configuration.   
     
     
         11 . The electronic atomization device according to  claim 10 , wherein the operating element simultaneously opens the first air inlet and the second air inlet when in the second configuration. 
     
     
         12 . An electronic atomization device comprising:
 a shell;   an inhalation port and at least one air inlet, wherein the air inlet is configured to guide an external airflow to enter the electronic atomization device, and an airflow channel is defined between the air inlet and the inhalation port;   an airflow sensor configured to sense an airflow change in the airflow channel, to generate a sensing signal, wherein the airflow sensor comprises a first side and a second side that face away from each other, and the first side is in fluid communication with the airflow channel;   an air hole configured to communicate the second side of the airflow sensor with an external world; and   an operating element,   wherein the operating element is movable relative to the shell between a first configuration and a second configuration; the operating element simultaneously closes the air hole and all the air inlets when in the first configuration, to prevent the sensing signal from being generated due to activation of the airflow sensor; and the operating element simultaneously opens the air hole and all the air inlets when in the second configuration, to allow the airflow sensor to be activated.   
     
     
         13 . The electronic atomization device according to  claim 12 , wherein an air inlet cross-sectional area of the air inlet is configured to be changeable with a change of a location of the operating element. 
     
     
         14 . The electronic atomization device according to  claim 12 , wherein the operating element is capable of being in a third configuration, the third configuration is located between the first configuration and the second configuration, and when the operating element is in the third configuration, the air hole is opened, and simultaneously the air inlet is partially opened or a partial quantity of air inlets are opened. 
     
     
         15 . The electronic atomization device according to  claim 11 , wherein:
 the operating element comprises a rotating sleeve, wherein the rotating sleeve is connected to an end of the shell, and the rotating sleeve is configured to be rotatable relative to the shell; or   the operating element comprises a sliding switch, wherein the sliding switch is configured to be operable to be slidable relative to the shell.