Aerosol generation apparatus and control method therefor

Abstract

The present application relates to the field of smoking sets, and provides an aerosol generation apparatus and a control method therefor. The method includes: determining total energy generated by heating of a heater within a preset time, and performing dry-burning detection according to the total energy generated by heating of the heater within the preset time, where the preset time is greater than or equal to duration when the temperature of the heater rises from an initial temperature to a preset target temperature. According to the present application, dry-burning detection is performed according to the total energy generated by heating of the heater within the preset time, avoiding the problem of damage to a heating component when the heater is in a dry-burning state while a cigarette is not inserted into the aerosol generation apparatus. Therefore, user experience is improved.

1 : A control method for an aerosol generation apparatus, wherein the aerosol generation apparatus comprises a heater for heating an aerosol generation substrate to generate an aerosol, and the method comprises:
 determining total energy generated by heating of the heater within a preset time, and performing dry-burning detection according to the total energy generated by heating of the heater within the preset time, wherein the preset time is greater than or equal to duration when the temperature of the heater rises from an initial temperature to a preset target temperature.   
     
     
         2 : The method according to  claim 1 , wherein the preset time is less than or equal to a preheating time of the heater. 
     
     
         3 : The method according to  claim 2 , wherein the preset time is capable of being divided into one or more heating time periods according to heating power of the heater. 
     
     
         4 : The method according to  claim 3 , wherein the determining total energy generated by heating of the heater within a preset time comprises:
 determining energy generated by heating of the heater in each heating time period according to the heating power of the heater corresponding to each heating time period within the preset time; and   obtaining the total energy generated by heating of the heater within the preset time according to the energy generated by heating of the heater within each heating time period.   
     
     
         5 : The method according to  claim 1 , wherein the performing dry-burning detection according to the total energy generated by heating of the heater within the preset time comprises:
 comparing the total energy generated by heating of the heater within the preset time with a preset energy threshold, if the total energy generated by heating of the heater within the preset time is less than the preset energy threshold, determining that dry-burning occurs; and otherwise, determining that no dry-burning occurs.   
     
     
         6 : The method according to  claim 5 , wherein when it is determined that dry-burning occurs, the heater is controlled to stop heating. 
     
     
         7 : The method according to  claim 2 , wherein the preheating time of the heater is the sum of duration of a heating phase and duration of a heat preservation phase, wherein the heating phase is the phase in which the temperature of the heater is controlled to rise from the initial temperature to the preset target temperature, and the temperature preservation phase is a phase in which the temperature of the heater is controlled to be maintained at the preset target temperature. 
     
     
         8 : The method according to  claim 7 , further comprising:
 in the heating phase, controlling the heater to perform heating with first heating power; and   in the heat preservation phase, controlling the heater to perform heating with second heating power, and linearly adjusting the second heating power according to the preset target temperature, wherein the second heating power is less than the first heating power.   
     
     
         9 : The method according to  claim 8 , wherein the controlling the heater to perform heating with the first heating power comprises:
 determining a real-time resistance of the heater;   determining a real-time voltage supplied to the heater according to the real-time resistance of the heater and the first heating power; and   adjusting a voltage supplied to the heater to the real-time voltage.   
     
     
         10 : The method according to  claim 8 , wherein the linearly adjusting the second heating power according to the preset target temperature comprises:
 determining a real-time resistance of the heater, and determining a real-time temperature of the heater according to the real-time resistance of the heater;   when the real-time temperature of the heater is less than the preset target temperature, linearly increasing the second heating power according to a first preset step value; and   when the real-time temperature of the heater is greater than the preset target temperature, linearly decreasing the second heating power according to a second preset step value.   
     
     
         11 : The method according to  claim 10 , wherein the first preset step value and the second preset step value are the same. 
     
     
         12 : The method according to  claim 2 , wherein the preheating time of the heater is 5 s to 30 s. 
     
     
         13 : An aerosol generation apparatus, wherein the aerosol generation apparatus comprises a heater and a controller, the heater is configured to heat an aerosol generation substrate to generate an aerosol, and the controller is configured to execute the control method for an aerosol generation apparatus according to  claim 1 . 
     
     
         14 : The method according to  claim 2 , wherein the performing dry-burning detection according to the total energy generated by heating of the heater within the preset time comprises:
 comparing the total energy generated by heating of the heater within the preset time with a preset energy threshold, if the total energy generated by heating of the heater within the preset time is less than the preset energy threshold, determining that dry-burning occurs; and otherwise, determining that no dry-burning occurs.   
     
     
         15 : The method according to  claim 14 , wherein when it is determined that dry-burning occurs, the heater is controlled to stop heating. 
     
     
         16 : The method according to  claim 3 , wherein the performing dry-burning detection according to the total energy generated by heating of the heater within the preset time comprises:
 comparing the total energy generated by heating of the heater within the preset time with a preset energy threshold, if the total energy generated by heating of the heater within the preset time is less than the preset energy threshold, determining that dry-burning occurs; and otherwise, determining that no dry-burning occurs.   
     
     
         17 : The method according to  claim 16 , wherein when it is determined that dry-burning occurs, the heater is controlled to stop heating. 
     
     
         18 : The method according to  claim 4 , wherein the performing dry-burning detection according to the total energy generated by heating of the heater within the preset time comprises:
 comparing the total energy generated by heating of the heater within the preset time with a preset energy threshold, if the total energy generated by heating of the heater within the preset time is less than the preset energy threshold, determining that dry-burning occurs; and otherwise, determining that no dry-burning occurs.   
     
     
         19 : The method according to  claim 18 , wherein when it is determined that dry-burning occurs, the heater is controlled to stop heating.