Electronic atomization device

Abstract

An electronic atomization device is provided. The device includes a liquid storage cavity, an atomization assembly, and a battery cell. The device further includes an airflow channel defining an airflow path from an air inlet to an inhalation port through the atomization assembly; an airflow sensor including a first side and a second side for sensing an airflow change in the airflow channel; an operating element, which closes at least one of the first side and the second side at a first position to prevent the sensor from sensing the airflow change and opens both the first side and the second side at a second position to allow the sensor to sense an airflow in the airflow channel; and a circuit, which controls the battery cell to provide power according to a sensing result of the 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;   a battery cell configured to provide power for the atomization assembly;   an inhalation port, an air inlet, and an airflow channel located between the air inlet and the inhalation port, wherein the airflow channel defines an airflow path from the air inlet to the inhalation port through the atomization assembly, to transfer the aerosol to the inhalation port;   an airflow sensor configured to sense an airflow change in the airflow channel,
 wherein the airflow sensor comprises a first side and a second side facing away from each other and the first side and the second side are in airflow isolation from each other, and 
 wherein the first side is configured to be in airflow communication with the airflow channel and the second side is configured to be in communication with an external atmosphere; 
   an operating element arranged to be configurable between a first position and a second position,
 wherein the operating element closes the first side or the second side of the airflow sensor when being at the first position, to prevent the airflow sensor from sensing the airflow change in the airflow channel, and 
 wherein the operating element opens the first side or the second side of the airflow sensor when being at the second position, to allow the airflow sensor to sense the airflow change in the airflow channel; and 
   a circuit, configured to control, according to a sensing result of the airflow sensor, the battery cell to provide power for the atomization assembly.   
     
     
         2 . The electronic atomization device according to  claim 1 , wherein the operating element avoids the air inlet at both the first position and the second position, so that the air inlet is open when the operating element is at both the first position and the second position. 
     
     
         3 . The electronic atomization device according to  claim 2 , wherein when the operating element is at the first position and the second position, the airflow channel is unobstructed or circulable for an airflow. 
     
     
         4 . The electronic atomization device according to  claim 1 , wherein the electronic atomization device comprises only one air inlet. 
     
     
         5 . The electronic atomization device according to  claim 1 , further comprising a shell, at least partially defining an outer surface of the electronic atomization device,
 wherein the operating element is at least partially exposed outside the shell, and is constructed to be movable relative to the shell, to change a configuration between the first position and the second position.   
     
     
         6 . The electronic atomization device according to  claim 5 , further comprising a first connection structure and a second connection structure,
 wherein a third connection structure is arranged on the operating element; and   wherein, when the operating element is at the first position, the third connection structure is arranged to be connectable to the first connection structure, to prevent the operating element from moving toward the second position; and when the operating element is at the second position, the third connection structure is arranged to be connectable to the second connection structure, to prevent the operating element from moving toward the first position.   
     
     
         7 . The electronic atomization device according to  claim 6 , wherein the first connection structure comprises a first recess, the second connection structure comprises a second recess, and the third connection structure comprises a protrusion matchable to the first recess or the second recess. 
     
     
         8 . The electronic atomization device according to  claim 6 , wherein:
 the operating element is arranged to be movable relative to the shell in a first direction, to change the configuration between the first position and the second position; and   the operating element is arranged to be movable relative to the shell in a second direction, to establish a connection between the third connection structure and the first connection structure or release a connection between the third connection structure and the first connection structure; or the operating element is arranged to be movable relative to the shell in a second direction, to establish a connection between the third connection structure and the second connection structure or release a connection between the third connection structure and the second connection structure,   wherein the second direction is perpendicular to the first direction.   
     
     
         9 . The electronic atomization device according to  claim 8 , further comprising a biasing element,
 wherein the biasing element is arranged to provide bias toward the first connection structure for the third connection structure when the operating element is at the first position; or   wherein the biasing element is arranged to provide bias toward the second connection structure for the third connection structure when the operating element is at the second position.   
     
     
         10 . The electronic atomization device according to  claim 9 , wherein:
 a hook configured to connect the operating element to the shell is arranged on the operating element; and   the biasing element comprises a spring arranged around the hook.   
     
     
         11 . The electronic atomization device according to  claim 1 , wherein the first side of the airflow sensor is at least partially exposed in the electronic atomization device. 
     
     
         12 . The electronic atomization device according to  claim 1 , further comprising:
 a shell, at least partially defining an outer surface of the electronic atomization device, wherein a communication port is provided on the shell, to communicate the second side with the external atmosphere; and   the operating element is constructed to cover or close the communication port when being at the first position, and open or expose the communication port when being at the second position.   
     
     
         13 . The electronic atomization device according to  claim 12 , wherein:
 the shell comprises a near end and a far end facing away from each other in a longitudinal direction;   the inhalation port is located at the near end; and   the airflow sensor is located between the battery cell and the far end, the first side and the second side of the airflow sensor are arranged facing away from each other in the longitudinal direction of the shell, and the first side faces the battery cell, and the second side faces the far end.   
     
     
         14 . The electronic atomization device according to  claim 13 , wherein the air inlet and the communication port are both located at the far end of the shell, a part of the airflow channel bypasses the airflow sensor, and the air inlet is in communication with the first side of the airflow sensor through the part. 
     
     
         15 . 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, an air inlet, and an airflow channel located between the air inlet and the inhalation port, wherein the airflow channel defines an airflow path from the air inlet to the inhalation port through the atomization assembly, to transfer the aerosol to the inhalation port;   an airflow sensor configured to sense an airflow change in the airflow channel, wherein the airflow sensor comprises a first side and a second side facing away from each other, wherein the first side is in airflow communication with the airflow channel;   a communication port configured to communicate the second side with an external atmosphere; and   an operating element arranged to be configurable between a first position and a second position, wherein the operating element closes the communication port at the first position, opens the communication port at the second position, and avoids or opens the air inlet at both the first position and the second position.   
     
     
         16 . 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 airflow channel configured to output the aerosol;   an airflow sensor comprising a first side and a second side facing away from each other, wherein the first side is in airflow communication with the airflow channel;   a communication port configured to communicate the second side with an external atmosphere;   an operating element arranged to be movable between a first position and a second position, wherein the operating element closes the communication port at the first position and opens the communication port at the second position; and   a first connection structure and a second connection structure,   wherein a third connection structure is arranged on the operating element; and   wherein, when the operating element is at the first position, the third connection structure is arranged to be connected to the first connection structure, to prevent the operating element from moving toward the second position; and when the operating element is at the second position, the third connection structure is arranged to be connected to the second connection structure, to prevent the operating element from moving toward the first position.