Atomizer and electronic atomization device

Abstract

An atomizer and an electronic atomization device are provided. The atomizer includes: an outer housing; a liquid storage cavity; a first liquid guide element, having a first surface and a second surface facing away each other, where the first surface absorbs a liquid substrate in the liquid storage cavity; a second liquid guide element, in fluid communication with the second surface to absorb a liquid substrate in the first liquid guide element, where the second liquid guide element has an atomization surface extending flatly; and a heating element, coupled to the atomization surface and configured to heat at least part of a liquid substrate in the second liquid guide element to generate an aerosol. The second liquid guide element is in fluid communication with the second surface to absorb the liquid substrate, and the heating element formed thereon heats and atomizes the liquid substrate to generate an aerosol.

1 . An atomizer, comprising an outer housing, wherein the outer housing has arranged therein:
 a liquid storage cavity, configured to store a liquid substrate;   a first liquid guide element, having a first surface close to the liquid storage cavity and a second surface facing away from the first surface, wherein the first surface is configured to be in fluid communication with the liquid storage cavity to absorb the liquid substrate in the liquid storage cavity;   a second liquid guide element, in fluid communication with the second surface of the first liquid guide element to absorb a liquid substrate in the first liquid guide element, wherein the second liquid guide element has an atomization surface extending flatly; and   a heating element, coupled to the atomization surface and configured to heat at least part of a liquid substrate in the second liquid guide element to generate an aerosol.   
     
     
         2 . (canceled) 
     
     
         3 . (canceled) 
     
     
         4 . (canceled) 
     
     
         5 . The atomizer according to  claim 1 , wherein the second liquid guide element is arranged to be in contact with the second surface to be in fluid communication with the second surface. 
     
     
         6 . The atomizer according to  claim 5 , wherein the second liquid guide element comprises a first portion extending in a direction perpendicular to a longitudinal direction of the outer housing and a second portion extending from the first portion toward the second surface, wherein
 the second portion is constructed to be in contact with the second surface, and   the atomization surface is located on the first portion.   
     
     
         7 . The atomizer according to  claim 6 , wherein an extension length of the first portion is greater than an extension length of the second portion. 
     
     
         8 . The atomizer according to  claim 1 , wherein the second liquid guide element is further constructed to abut against the second surface to support at least part of the first liquid guide element. 
     
     
         9 . (canceled) 
     
     
         10 . The atomizer according to  claim 1 , wherein a space is provided between the atomization surface of the second liquid guide element and the second surface of the first liquid guide element. 
     
     
         11 . The atomizer according to  claim 1 , wherein the second liquid guide element is in direct or indirect contact with the second surface of the first liquid guide element to absorb the liquid substrate in the first liquid guide element, and a contact area thereof is less than an area of the atomization surface. 
     
     
         12 . The atomizer according to  claim 1 , further comprising:
 a third liquid guide element, positioned between the second surface of the first liquid guide element and the second liquid guide element, wherein the second liquid guide element is in fluid communication with the second surface through the third liquid guide element.   
     
     
         13 . The atomizer according to  claim 12 , wherein the third liquid guide element is flexible. 
     
     
         14 . The atomizer according to  claim 12 , wherein the first liquid guide element has a rigidity greater than that of the third liquid guide element and less than that of the second liquid guide element. 
     
     
         15 . The atomizer according to  claim 12 , wherein the second liquid guide element is constructed to accommodate or support at least part of the third liquid guide element. 
     
     
         16 . The atomizer according to  claim 12 , wherein the second liquid guide element has a notch, a groove, or a recess toward the first liquid guide element; and
 at least part of the third liquid guide element is accommodated or held in the notch, the groove, or the recess.   
     
     
         17 . (canceled) 
     
     
         18 . (canceled) 
     
     
         19 . (canceled) 
     
     
         20 . The atomizer according to  claim 12 , further comprising:
 a support, constructed to accommodate and hold at least part of the second liquid guide element and of the third liquid guide element; wherein the support comprises:   a first step, configured to support at least part of the second liquid guide element; and   a second step, configured to support at least part of the third liquid guide element, wherein   the first step and the second step have different heights in a longitudinal direction of the outer housing.   
     
     
         21 . (canceled) 
     
     
         22 . The atomizer according to  claim 1 , further comprising:
 a support, constructed to abut against the second surface to hold at least part of the first liquid guide element.   
     
     
         23 . The atomizer according to  claim 1 , further comprising:
 an air channel, configured to provide a fluid path for air to cross the first liquid guide element in a longitudinal direction of the outer housing to enter the liquid storage cavity.   
     
     
         24 . The atomizer according to  claim 1 , wherein the outer housing has arranged therein: an inner wall, configured to define the liquid storage cavity configured to store the liquid substrate, wherein the first liquid guide element has a peripheral side wall extending between the first surface and the second surface, and
 at least part of an air channel is formed between the peripheral side wall and the inner wall.   
     
     
         25 . The atomizer according to  claim 24 , wherein a second convex edge extending in a longitudinal direction of the outer housing is arranged on the inner wall; and the peripheral side wall has a flat and straight portion adjacent to the inner wall, and the flat and straight portion abuts against the second convex edge, so that a gap is retained between the peripheral side wall and the inner wall to define at least part of the air channel. 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . An atomizer, configured to atomize a liquid substrate to generate an aerosol, and comprising an outer housing, wherein the outer housing has arranged therein:
 a liquid storage cavity, configured to store a liquid substrate;   a porous ceramic body, comprising a first portion extending in a direction perpendicular to a longitudinal direction of the outer housing and a second portion extending from the first portion toward the liquid storage cavity, wherein   the second portion is constructed to be in fluid communication with the liquid storage cavity to absorb the liquid substrate; and   the first portion has an atomization surface extending flatly; and   a heating element, coupled to the atomization surface and configured to heat at least part of a liquid substrate in a second liquid guide element to generate an aerosol.   
     
     
         29 . The atomizer according to  claim 28 , further comprising:
 a first liquid guide element, constructed to extend in the direction perpendicular to the longitudinal direction of the outer housing and arranged between the liquid storage cavity and the second liquid guide element in the longitudinal direction of the outer housing, wherein   the second portion is constructed to at least partially run through the first liquid guide element in the longitudinal direction of the outer housing, and the second portion has an insertion segment with a cross sectional area less than those of other portions, and the insertion segment runs through the first liquid guide element to be in fluid communication with the liquid storage cavity.   
     
     
         30 . (canceled) 
     
     
         31 . (canceled) 
     
     
         32 . An electronic atomization device, comprising an Page  9  atomizer configured to atomize a liquid substrate to generate an aerosol and a power supply assembly configured to supply power to the atomizer, wherein the atomizer comprises the atomizer according to  claim 1 .