Aerosol-generating device

Abstract

An aerosol-generating device is provided. The device includes a liquid storage portion, a first heating member, and a second heating member. A liquid storage cavity, a main airway, and at least a part of an atomization cavity are defined in the interior of the liquid storage portion. One end of the main airway is in communication with the atomization cavity, so that an aerosol generated in the atomization cavity can enter the main airway, and the other end of the main airway is in communication with the outside, so that a user can inhale the aerosol in the main airway through the other end of the main airway.

What is claimed is: 
     
         1 . An aerosol-generating device comprising:
 a liquid storage portion, wherein a liquid storage cavity, a main airway, and at least a part of an atomization cavity are defined in the interior of the liquid storage portion, the liquid storage cavity is configured to store a liquid substrate, the atomization cavity is configured to provide a release space for an aerosol generated by atomizing the liquid substrate, one end of the main airway is in communication with the atomization cavity, and the other end of the main airway is in communication with the outside;   a first heating member, arranged in the atomization cavity, wherein the first heating member is in communication with the liquid storage cavity, to absorb the liquid substrate in the liquid storage cavity and perform heating and atomization; and   a second heating member, arranged in the atomization cavity and spaced apart from the first heating member, wherein the second heating member is in communication with the liquid storage cavity, to absorb the liquid substrate in the liquid storage cavity and perform heating and atomization.   
     
     
         2 . The aerosol-generating device according to  claim 1 , further comprising a first energy storage member,
 wherein both the first energy storage member and the liquid storage portion extend in a length direction of the aerosol-generating device and are arranged in parallel, and the first energy storage member is electrically connected to the first heating member and the second heating member separately; and   wherein both the first heating member and the second heating member are mounted in the atomization cavity in a thickness direction of the aerosol-generating device.   
     
     
         3 . The aerosol-generating device according to  claim 2 , wherein:
 the main airway is located between the first heating member and the second heating member; and   the main airway is surrounded by the liquid storage cavity.   
     
     
         4 . The aerosol-generating device according to  claim 1 , further comprising a second energy storage member,
 wherein in a length direction, the second energy storage member is located at one end of the liquid storage portion, and the second energy storage member is electrically connected to the first heating member and the second heating member separately; and   wherein both the first heating member and the second heating member are mounted in parallel in the atomization cavity in a width direction.   
     
     
         5 . The aerosol-generating device according to  claim 4 , wherein:
 the main airway comprises a first segment, a second segment, and a third segment, in the width direction, the first segment and the second segment are respectively provided on two sides of the liquid storage cavity, and both one end of the first segment and one end of the second segment are in communication with the atomization cavity; and   the third segment is located at an end of the liquid storage cavity away from the atomization cavity, one end of the third segment is in communication with the outside, and the other end of the third segment is in communication with both the other end of the first segment and the other end of the second segment.   
     
     
         6 . The aerosol-generating device according to  claim 1 , further comprising an air inlet member, wherein in the length direction, the air inlet member is located at the one end of the liquid storage portion, an air inlet channel is defined on the air inlet member, and the air inlet channel is configured to guide external air into the atomization cavity. 
     
     
         7 . The aerosol-generating device according to  claim 6 , wherein the atomization cavity is jointly defined by the liquid storage portion and the air inlet member. 
     
     
         8 . The aerosol-generating device according to  claim 6 , wherein:
 a first air outlet hole and a second air outlet hole are spaced apart on the air inlet channel; and   both the first air outlet hole and the second air outlet hole are in communication with the atomization cavity.   
     
     
         9 . The aerosol-generating device according to  claim 8 , wherein:
 the first air outlet hole is provided corresponding to the first heating member; and   the second air outlet hole is provided corresponding to the second heating member.   
     
     
         10 . The aerosol-generating device according to  claim 8 , wherein:
 the first air outlet hole is deviated or staggered from the first heating member in the width direction; and/or   the second air outlet hole is deviated or staggered from the second heating member in the width direction.   
     
     
         11 . The aerosol-generating device according to  claim 8 , wherein a part of the air inlet member protrudes toward the atomization cavity and defines the first air outlet hole and the second air outlet hole, so that the first air outlet hole and the second air outlet hole are higher than a bottom of the atomization cavity. 
     
     
         12 . The aerosol-generating device according to  claim 9 , wherein a part of the air inlet member protrudes toward the atomization cavity and defines the first air outlet hole and the second air outlet hole, so that the first air outlet hole and the second air outlet hole are higher than a bottom of the atomization cavity. 
     
     
         13 . The aerosol-generating device according to  claim 10 , wherein a part of the air inlet member protrudes toward the atomization cavity and defines the first air outlet hole and the second air outlet hole, so that the first air outlet hole and the second air outlet hole are higher than a bottom of the atomization cavity. 
     
     
         14 . The aerosol-generating device according to  claim 1 , wherein:
 the first heating member comprises a first main body portion and a first heating portion, wherein:
 the first main body portion is in communication with the liquid storage cavity to absorb the liquid substrate in the liquid storage cavity, and 
 the first heating portion is located on a side surface of the first main body portion away from the liquid storage cavity, and the first heating portion is configured to heat the liquid substrate absorbed by the first main body portion to generate the aerosol; and/or 
   the second heating member comprises a second main body portion and a second heating portion, wherein:
 the second main body portion is in communication with the liquid storage cavity, to absorb the liquid substrate in the liquid storage cavity, and 
 the second heating portion is located on a side surface of the second main body portion away from the liquid storage cavity, and the second heating portion is configured to heat the liquid substrate absorbed by the second main body portion, to generate the aerosol. 
   
     
     
         15 . The aerosol-generating device according to  claim 1 , wherein:
 both the first heating member and the second heating member are in a flat plate shape; and   the first heating member and the second heating member are substantially arranged in parallel.