Aerosol-generating device

Abstract

An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a cartridge having therein a chamber storing liquid, a first heater for heating the liquid, a housing having an insertion space defined therein, a second heater for heating a stick inserted into the insertion space, a memory for storing a plurality of liquid temperature profiles corresponding to the first heater and a plurality of stick temperature profiles corresponding to the second heater, and a controller for setting one of a plurality of modes to an operation mode of the aerosol-generating device. The controller determines a target temperature for the first heater based on a liquid temperature profile corresponding to the operation mode among the plurality of liquid temperature profiles, and determines a target temperature for the second heater based on a stick temperature profile corresponding to the operation mode among the plurality of stick temperature profiles.

What is claimed is: 
     
         1 . An aerosol-generating device comprising:
 a cartridge comprising a chamber configured to store liquid;   a first heater configured to heat the liquid;   a housing shaped to define an insertion space;
 a second heater configured to heat a stick located in the insertion space; 
 a memory configured to store a plurality of liquid temperature profiles for the first heater and a plurality of stick temperature profiles for the second heater; and 
 a controller configured to: 
 set an operation mode of the aerosol-generating device, wherein the set operation mode is one of a plurality of modes; 
 determine a target temperature for the first heater based on a liquid temperature profile corresponding to the set operation mode, wherein the liquid temperature profile is among the plurality of liquid temperature profiles; 
 determine a target temperature for the second heater based on a stick temperature profile corresponding to the set operation mode, wherein the stick temperature profile is among the plurality of stick temperature profiles, and 
 wherein the plurality of modes comprises two or more of a first mode corresponding to the liquid, a second mode corresponding to both the stick and the liquid, or a third mode corresponding to the stick. 
   
     
     
         2 . The aerosol-generating device according to  claim 1 , wherein a first target temperature determined during a heating period based on a first liquid temperature profile corresponding to the first mode is higher than a second target temperature determined during the heating period based on a second liquid temperature profile corresponding to the second mode, and
 wherein the second target temperature is higher than a third target temperature, wherein the third target temperature is based on a third liquid temperature profile corresponding to the third mode.   
     
     
         3 . The aerosol-generating device according to  claim 2 , wherein each of the third target temperature and a fourth target temperature determined in a preheating period prior to the heating period based on the third liquid temperature profile, is maintained constant at a defined temperature. 
     
     
         4 . The aerosol-generating device according to  claim 3 , wherein the defined temperature corresponds to a lowest required temperature of the first heater for generation of an aerosol using the liquid. 
     
     
         5 . The aerosol-generating device according to  claim 2 , wherein, in the heating period, the controller is configured to:
 supply first power to the first heater based on the first target temperature; and   supply second power to the first heater based on the second target temperature, the second power being less than the first power.   
     
     
         6 . The aerosol-generating device according to  claim 2 , wherein, in the heating period, the controller is configured to:
 supply power to the first heater for a first time period based on the first target temperature; and   supply power to the first heater for a second time period based on the second target temperature, the second time period being shorter than the first time period.   
     
     
         7 . The aerosol-generating device according to  claim 1 , wherein a first target temperature determined in a heating period based on a first stick temperature profile corresponding to the first mode is lower than a second target temperature determined in the heating period based on a second stick temperature profile corresponding to the second mode, and
 wherein the second target temperature is lower than a third target temperature determined in the heating period based on a third stick temperature profile corresponding to the third mode.   
     
     
         8 . The aerosol-generating device according to  claim 7 , wherein the first target temperature is maintained constant at a lowest required temperature set for the second heater during the heating period. 
     
     
         9 . The aerosol-generating device according to  claim 1 , wherein a fourth target temperature determined in a preheating period prior to a heating period based on a first stick temperature profile corresponding to the first mode is higher than a target temperature determined in the preheating period based on any one of a second stick temperature profile or a third stick temperature profile. 
     
     
         10 . The aerosol-generating device according to  claim 1 , further comprising:
 an interface configured to receive user input; and   a memory configured to store data relating to the operation mode,   wherein the controller is configured to:
 update data relating to the operation mode based on change in the operation mode in response to the user input; and 
 set the operation mode based on the data relating to the operation mode in response to powering on the aerosol-generating device.