Electronic atomization device and atomizer thereof

Abstract

An atomizer includes: a liquid storage room for storing liquid aerosol generation substrate; an atomization main body having an atomization assembly, the atomization assembly including a liquid absorbing surface in liquid guide communication with the liquid storage room; and at least one vent channel having a vent tube provided on an inner wall surface of the liquid storage room, the vent tube including a vent opening that is away from the inner wall surface and/or the liquid absorbing surface.

What is claimed is: 
     
         1 . An atomizer, comprising:
 a liquid storage room configured to store liquid aerosol generation substrate;   an atomization main body comprising an atomization assembly, the atomization assembly comprising a liquid absorbing surface in liquid guide communication with the liquid storage room; and   at least one vent channel comprising a vent tube provided on an inner wall surface of the liquid storage room, the vent tube comprising a vent opening that is away from the inner wall surface and/or the liquid absorbing surface.   
     
     
         2 . The atomizer of  claim 1 , wherein the atomizer has a longitudinal axis, and
 wherein the liquid absorbing surface is approximately perpendicular to the longitudinal axis.   
     
     
         3 . The atomizer of  claim 2 , wherein the inner wall surface comprises a bottom wall surface adjacent to the liquid absorbing surface, and
 wherein the vent tube is vertically provided on the bottom wall surface.   
     
     
         4 . The atomizer of  claim 3 , wherein the bottom wall surface comprises a flat surface, and
 wherein a vertical distance between the vent opening and the bottom wall surface is smaller than a vertical distance between the vent opening and the liquid absorbing surface.   
     
     
         5 . The atomizer of  claim 4 , wherein a length direction of the vent tube is parallel to the longitudinal axis. 
     
     
         6 . The atomizer of  claim 1 , wherein central through holes of the vent tube comprise stepped holes, and
 wherein a pore size of each hole segment decreases in a direction away from the inner wall surface.   
     
     
         7 . The atomizer of  claim 6 , wherein the central through holes comprise a first hole segment close to the inner wall surface and a second hole segment away from the inner wall surface, and
 wherein a pore size of the first hole segment is 0.5-1 mm and a pore size of the second hole segment is 0.2-0.6 mm.   
     
     
         8 . The atomizer of  claim 7 , wherein a length of the vent tube is 0.8-1.5 mm. 
     
     
         9 . The atomizer of  claim 1 , wherein the liquid storage room comprises a convergence portion formed in the atomization main body, and
 wherein the vent tube is vertically provided on the inner wall surface of the convergence portion.   
     
     
         10 . The atomizer of  claim 9 , wherein the atomization main body comprises a lower seat comprising a first support portion and a second support portion spaced apart,
 wherein the atomization assembly is transversely mounted on the first support portion and the second support portion,   wherein an atomization cavity is formed below the atomization assembly,   wherein the atomization assembly comprises an atomization surface opposite the liquid absorbing surface, and   wherein the atomization surface is in air guide communication with the atomization cavity.   
     
     
         11 . The atomizer of  claim 10 , wherein the at least one vent channel comprises a first vent groove formed in a top surface of the first support portion or the second support portion and extending transversely,
 wherein a second vent groove formed in an inner side surface of the first support portion or the second support portion extends longitudinally,   wherein the first vent groove is communicated with the second vent groove,   wherein the atomization assembly covers the first vent groove, and   wherein an end of the first vent groove away from the inner side surface is exposed outside the atomization assembly.   
     
     
         12 . The atomizer of  claim 11 , wherein the atomization main body comprises an upper seat comprising a holding portion pressing against the atomization assembly and an outer enclosing frame provided on the holding portion,
 wherein the at least one vent channel comprises a vent hole vertically running through the holding portion and communicated with the vent opening,   wherein a third vent groove is formed in an inner wall surface of the outer enclosing frame and extends longitudinally downwards,   wherein a fourth vent groove is formed in a lower surface of the holding portion and communicates the vent hole with the third vent groove, and   wherein a lower end of the third vent groove is communicated with the end of the first vent groove away from the inner side surface.   
     
     
         13 . The atomizer of  claim 12 , wherein the atomization assembly comprises a sheet-like heating element and a soft seal member bonded to a periphery of the heating element,
 wherein the vent hole faces directly to the soft seal member, and   wherein the outer enclosing frame surrounds the periphery of the soft seal member.   
     
     
         14 . The atomizer of  claim 13 , wherein the heating element comprises a sheet-like substrate, and
 wherein the substrate comprises glass with a micropore array, dense ceramics with a micropore array, or sheet-like porous ceramics.   
     
     
         15 . The atomizer of  claim 13 , wherein the holding portion is provided with a liquid flowing opening vertically running through the holding portion and corresponding to the liquid absorbing surface,
 wherein the lower surface of the holding portion comprises an inner enclosing frame surrounding the liquid flowing opening, and   wherein the inner enclosing frame abuts against the inner side of the soft seal member.   
     
     
         16 . The atomizer of  claim 12 , wherein the vent tube is provided on the holding portion. 
     
     
         17 . The atomizer of  claim 1 , wherein the at least one vent channel comprises two vent channels,
 wherein each vent channel of the two vent channels comprises a vent tube, and   wherein vent tubes of the two vent channels are respectively provided on two opposite sides of the liquid absorbing surface.   
     
     
         18 . An electronic atomization device, comprising:
 the atomizer of  claim 1 .