Aerosol generation device and control method

Abstract

An aerosol generating device and a control method are provided. The device includes: a chamber for receiving at least a part of an aerosol generating article; a heater at least partially inserted into the aerosol generating article for heating; a holding element for at least partially holding the aerosol generating article; and a driving element for driving one of the holding element and the heater to move relative to the other, to enable the aerosol generating article held by the holding element to eliminate or reduce adhesion or bonding to a surface of the heater during movement.

1 . An aerosol generating device, configured to heat an aerosol generating article to generate aerosols, the device comprising:
 a chamber configured to receive at least a part of the aerosol generating article;   a heater at least partially inserted into the aerosol generating article for heating;   a holding element configured to at least partially hold the aerosol generating article;   a driving element having a rotating shaft; and   a rotatable wheel configured to be rotatable under driving of the rotating shaft of the driving element,   wherein the holding element is configured to be rotatable relative to the heater around a central axis of the chamber in response to rotation of the rotatable wheel, to enable the aerosol generating article held by the holding element to eliminate or reduce adhesion or bonding to a surface of the heater during rotation.   
     
     
         2 . The aerosol generating device according to  claim 1 , wherein the holding element is configured to be in contact with one or more surface regions of the aerosol generating article to squeeze or compress the aerosol generating article. 
     
     
         3 . The aerosol generating device according to  claim 1 , wherein:
 the holding element comprises at least one or more convexes extending to the chamber; and   the convexes are configured to clamp the aerosol generating article when the aerosol generating article is received in the chamber.   
     
     
         4 . The aerosol generating device according to  claim 1 , wherein:
 the holding element comprises a plurality of convexes arranged at intervals around a circumferential direction of the chamber; and   the plurality of convexes are configured to be in contact with the aerosol generating article to hold the aerosol generating article among the plurality of convexes.   
     
     
         5 . The aerosol generating device according to  claim 1 , further comprising a transmission belt, wherein the holding element rotates relative to the heater through the transmission belt in response to the rotation of the rotatable wheel. 
     
     
         6 . The aerosol generating device according to  claim 5 , wherein:
 the holding element comprises a circumferential surface; and   the transmission belt is joined to a part of the circumferential surface of the holding element.   
     
     
         7 . The aerosol generating device according to  claim 5 , wherein:
 the transmission belt is joined to at least a part of a surface of the rotatable wheel, to further form a belt wheel transmission mechanism with the rotatable wheel; and   the holding element further rotates through belt drive of the belt wheel transmission mechanism in response to the rotation of the rotatable wheel.   
     
     
         8 - 9 . (canceled) 
     
     
         10 . The aerosol generating device according to  claim 1 , wherein:
 an extension arm is arranged on the holding element, and the extension arm is configured to extend outward along a radial direction of the chamber; and   the extension arm is coupled to the rotatable wheel, to further enable the holding element to rotate in response to the rotation of the rotatable wheel.   
     
     
         11 . The aerosol generating device according to  claim 10 , wherein:
 a hole extending along a length direction of the extension arm is provided on the extension arm; and   a guiding protrusion deviating from the rotating shaft is arranged on the rotatable wheel, wherein the guiding protrusion at least partially extends into the hole.   
     
     
         12 . The aerosol generating device according to  claim 11 , wherein the guiding protrusion is arranged deviating from a center of the rotatable wheel. 
     
     
         13 . The aerosol generating device according to  claim 1 , wherein the rotatable wheel comprises a gear. 
     
     
         14 . The aerosol generating device according to  claim 1 , further comprising an outer shell
 wherein the outer shell defines an outer surface of the aerosol generating device and comprises a first side end and a second side end that face away from each other along a width direction;   wherein the holding element is arranged close to the first side end; and   wherein the driving element is arranged close to the second side end.   
     
     
         15 . The aerosol generating device according to  claim 1 , wherein the holding element at least partially surrounds or defines the chamber. 
     
     
         16 . (canceled) 
     
     
         17 . The aerosol generating device according to  claim 1 , further comprising a controller, configured to prevent the driving element from driving the holding element to rotate when a user inhales the aerosol generating article. 
     
     
         18 . The aerosol generating device according to  claim 1 , further comprising:
 a battery core configured to provide power; and   a controller configured to
 control the power provided by the battery core to the heater, to maintain a temperature of the heater at a preset temperature within predetermined heating time; and 
 configured to control the driving element to drive the holding element to rotate at least once before the predetermined heating time ends. 
   
     
     
         19 . The aerosol generating device according to  claim 1 , further comprising:
 a battery core configured to provide power; and   a controller configured to:
 control the power provided by the battery core to the heater, provide power enabling a temperature of the heater to rise from an initial temperature to a first preset temperature in a first stage, provide power enabling the temperature of the heater to decrease to a second preset temperature in a second stage, and provide power enabling the temperature of the heater to maintain at a third preset temperature in a third stage; and 
 control the driving element to drive the holding element to rotate in the first stage and/or the third stage, and prevent the driving element from driving the holding element to rotate in the second stage. 
   
     
     
         20 . An aerosol generating device, configured to heat an aerosol generating article to generate aerosols, the device comprising:
 a chamber configured to receive at least a part of the aerosol generating article;   a heater at least partially inserted into the aerosol generating article for heating;   a holding element configured to at least partially hold the aerosol generating article;   a base or a flange configured to hold the heater; and   a driving element, configured to enable, by driving the base or the flange to rotate, the heater to rotate relative to the aerosol generating article held by the holding element around a central axis of the chamber, to eliminate or reduce adhesion or bonding between the aerosol generating article and a surface of the heater.   
     
     
         21 . The aerosol generating device according to  claim 20 , wherein:
 an extension arm is arranged on the base or the flange;   the extension arm is configured to extend outward along a radial direction of the chamber; and   the driving element is configured to enable the heater to rotate by driving the extension arm of the base or the flange to rotate.   
     
     
         22 . A control method for an aerosol generating device, the aerosol generating device comprising:
 a chamber configured to receive at least a part of an aerosol generating article;   a heater at least partially inserted into the aerosol generating article for heating;   a holding element configured to at least partially hold the aerosol generating article; and   a battery core, configured to provide power enabling a temperature of the heater to rise from an initial temperature to a first preset temperature in a first stage, provide power enabling the temperature of the heater to decrease to a second preset temperature in a second stage, and provide power enabling the temperature of the heater to maintain at a third preset temperature in a third stage;   the method comprising:   driving, in the first stage, one of the holding element and the heater to move relative to the other at least once; and   driving, in the third stage, one of the holding element and the heater to move relative to the other at least once; and driving, within predetermined time before the third stage ends, one of the holding element and the heater to move relative to the other at least once.   
     
     
         23 . The control method for an aerosol generating device according to  claim 22 , wherein the predetermined time before the third stage ends is less than 20 s.