Aerosol generation device, heater for aerosol generation device, and control method

Abstract

An aerosol generation device, a heater for the aerosol generation device, and a control method are provided. The aerosol generation device includes: a heater for heating an aerosol generation product, a first heating section, a second heating section and a third heating section, sequentially arranged, being at least defined on the heater; a battery cell for providing power to the heater; and a circuit for controlling the power provided to the heater by the battery cell, to: heat, within a first time period, the first heating section faster than heating the second heating section and/or the third heating section, heat within a second time period, the second heating section faster than heating the first heating section and/or the third heating section, and heat, within a third time period, the third heating section faster than heating the first heating section and/or the second heating section.

1 . An aerosol generation device, configured to heat an aerosol generation product to generate an aerosol, and comprising:
 a heater, which is used for heating the aerosol generation product, wherein a first heating section, a second heating section and a third heating section, which are sequentially arranged, are at least defined on the heater in a longitudinal direction;   a battery cell, which is used for providing power to the heater; and   a circuit, which is configured to control the power provided to the heater by the battery cell, to: heat the first heating section faster or at a higher power than heating the second heating section and/or the third heating section within a first time period, heat the second heating section faster or at a higher power than heating the first heating section and/or the third heating section within a second time period, and heat the third heating section faster or at a higher power than heating the first heating section and/or the second heating section within a third time period.   
     
     
         2 . The aerosol generation device according to  claim 1 , wherein:
 the first heating section, the second heating section, and the third heating section are sequentially spaced apart; and   a temperature sensor, which is used for sensing a temperature of the heater.   
     
     
         3 . The aerosol generation device according to  claim 1 , wherein the first heating section, the second heating section, and the third heating section are simultaneously heated within the first time period and/or the second time period and/or the third time period. 
     
     
         4 . The aerosol generation device according to  claim 1 , wherein the circuit is further configured to control the power provided to the heater by the battery cell, to: at least heat the first heating section within the first time period, at least heat the first heating section and the second heating section within the second time period, and simultaneously heat the first heating section, the second heating section, and the third heating section within the third time period. 
     
     
         5 . The aerosol generation device according to  claim 1 , wherein the circuit is further configured to control the power provided to the heater by the battery cell, to: heat, within the first time period, the first heating section to a first target temperature and cause the second heating section and the third heating section to have temperatures less than the first target temperature; heat, within the second time period, the second heating section to a second target temperature and cause the third heating section to have a temperature less than the second target temperature in the second time period; and heat, within the third time period, the third heating section to a third target temperature and cause the first heating section and the second heating section to have temperatures not less than the third target temperature. 
     
     
         6 . The aerosol generation device according to  claim 1 , comprising:
 an opening, wherein during use, the aerosol generation product is at least partially received in a housing through the opening or is removed from the housing through the opening; and   the first heating section is closer to the opening than the second heating section and/or the third heating section.   
     
     
         7 . The aerosol generation device according to  claim 1 , wherein a length of the first heating section and/or the second heating section and/or the third heating section is from 8 mm to 12 mm;
 and/or, the first heating section, the second heating section, and the third heating section have basically the same lengths.   
     
     
         8 . The aerosol generation device according to  claim 1 , wherein the heater only comprises three heating sections. 
     
     
         9 - 10 . (canceled) 
     
     
         11 . The aerosol generation device according to  claim 2 , further comprising:
 a thermoplastic clinging member, which is used for clinging or fastening the temperature sensor to the heater.   
     
     
         12 . The aerosol generation device according to  claim 1 , further comprising:
 a thermal insulation element, which is used for providing thermal insulation outside the heater.   
     
     
         13 . The aerosol generation device according to  claim 1 , wherein the heater comprises the following elements sequentially arranged in a longitudinal direction:
 a first heating element, which at least partially defines the first heating section;   a second heating element, which at least partially defines the second heating section; and   a third heating element, which at least partially defines the third heating section.   
     
     
         14 . (canceled) 
     
     
         15 . The aerosol generation device according to  claim 13 , wherein within the first time period, the first heating element is connected in parallel with the second heating element and the third heating element connected in series with the second heating element;
 and/or, within the second time period, the second heating element is connected in parallel with the first heating element and the third heating element connected in series with the first heating element;   and/or, within the third time period, the third heating element is connected in parallel with the first heating element and the second heating element connected in series with the first heating element.   
     
     
         16 . The aerosol generation device according to  claim 13 , wherein the circuit is configured to be able to selectively connect any two or three of the first heating element, the second heating element, and the third heating element in series. 
     
     
         17 . The aerosol generation device according to  claim 13 , wherein the heater comprises: a first electrode element, a second electrode element, a third electrode element, and a fourth electrode element;
 at least a portion of the first heating element is electrically connected between the first electrode element and the second electrode element, so that during use, a current is guided at the first heating element by the first electrode element and the second electrode element;   at least a portion of the second heating element is electrically connected between the first electrode element and the fourth electrode element, so that during use, a current is guided at the second heating element by the first electrode element and the fourth electrode element; and   at least a portion of the third heating element is electrically connected between the third electrode element and the fourth electrode element, so that during use, a current is guided at the third heating element by the third electrode element and the fourth electrode element.   
     
     
         18 . The aerosol generation device according to  claim 17 , wherein the first electrode element and the second electrode element are oppositely arranged in a radial direction of the heater;
 and/or, the third electrode element and the fourth electrode element are oppositely arranged in the radial direction of the heater;   and/or, the first electrode element and the third electrode element are spaced apart in a lengthwise direction of the heater;   and/or, the second electrode element and the fourth electrode element are spaced apart in the lengthwise direction of the heater.   
     
     
         19 . The aerosol generation device according to  claim 17 , wherein an extension length of the first electrode element is greater than an extension length of the second electrode element;
 and/or, an extension length of the third electrode element is less than an extension length of the fourth electrode element.   
     
     
         20 . The aerosol generation device according to  claim 17 , wherein at least a portion of the first electrode element extends from the first heating element to the second heating element;
 and/or, at least a portion of the fourth electrode element extends from the second heating element to the third heating element.   
     
     
         21 . The aerosol generation device according to  claim 17 , wherein the second electrode element and the third electrode element are connected and conducted through a wire or a conductive element;
 and/or the first electrode element and the fourth electrode element are connected and conducted through a wire or a conductive element.   
     
     
         22 . The aerosol generation device according to  claim 1 , wherein the heater comprises:
 a base body; and a first infrared transmitting layer, a second infrared transmitting layer, and a third infrared transmitting layer which are formed on or combined with the base body; at least a portion of the first infrared transmitting layer defines the first heating section; at least a portion of the second infrared transmitting layer defines the second heating section; and at least a portion of the third infrared transmitting layer defines the third heating section.   
     
     
         23 - 30 . (canceled) 
     
     
         31 . A control method of an aerosol generation device, wherein the aerosol generation device is configured to heat an aerosol generation product to generate an aerosol; the aerosol generation device comprises: a heater, which is used for heating the aerosol generation product, wherein a first heating section, a second heating section and a third heating section, which are sequentially arranged, are at least defined on the heater in a longitudinal direction; and
 a battery cell, which is used for providing power to the heater,   wherein the method comprises:   providing power to the heater;   within a first time period, heating the first heating section faster or at a higher power than heating the second heating section and/or the third heating section;   within a second time period, heating the first heating section and/or the third heating section faster or at a higher power than heating the second heating section; and   within a third time period, heating the first heating section and/or the second heating section faster or at a higher power than heating the third heating section.   
     
     
         32 - 37 . (canceled)