Electronic vaporization device and vaporizer thereof

Abstract

A vaporizer is disclosed. The vaporizer includes a liquid storage housing having a liquid storage cavity formed therein and a base arranged at one end of the liquid storage housing. The base includes an air inlet protruding stage that has an upper surface facing the liquid storage cavity. The upper surface is in a shape of a protrusion. The air inlet protruding stage is provided with a plurality of air inlet holes extending from the upper surface away from the liquid storage cavity.

What is claimed is: 
     
         1 . A vaporizer, comprising:
 a liquid storage housing having a liquid storage cavity formed therein; and   a base arranged at one end of the liquid storage housing, wherein:
 the base comprises an air inlet protruding stage, 
 the air inlet protruding stage has an upper surface facing the liquid storage cavity, 
 the upper surface is in a shape of a protrusion; and 
 the air inlet protruding stage is provided with a plurality of air inlet holes extending from the upper surface away from the liquid storage cavity. 
   
     
     
         2 . The vaporizer according to  claim 1 , wherein the upper surface is a spherical surface. 
     
     
         3 . The vaporizer according to  claim 1 , wherein the plurality of air inlet holes comprises one or more first air inlet holes having a first cross-sectional area and one or more second air inlet holes having a second cross-sectional area, the second air inlet holes surrounding the first air inlet holes. 
     
     
         4 . The vaporizer according to  claim 3 , wherein the first cross-sectional area of the first air inlet holes is less than or is greater than the second cross-sectional area of the second air inlet holes. 
     
     
         5 . The vaporizer according to  claim 3 , wherein the one or more first air inlet holes and the one or more second air inlet holes are respectively distributed in annular arrays at equal intervals, and the number of the first air inlet holes is less than the number of the second air inlet holes. 
     
     
         6 . The vaporizer according to  claim 3 , wherein:
 the one or more first air inlet holes include four first air inlet holes evenly and symmetrically distributed around a center of the air inlet protruding stage; and   the one or more second air inlet holes include ten second air inlet holes evenly and symmetrically distributed around the center of the air inlet protruding stage.   
     
     
         7 . The vaporizer according to  claim 3 , wherein a pneumatic noise of the vaporizer during operation is less than 61.4 dB. 
     
     
         8 . The vaporizer according to  claim 1 , wherein the base comprises a main body portion, and the air inlet protruding stage is formed by an upward extension of an upper end surface of the main body portion. 
     
     
         9 . The vaporizer according to  claim 8 , wherein the main body portion is provided with a third air inlet hole in communication with the plurality of air inlet holes. 
     
     
         10 . The vaporizer according to  claim 9 , wherein a cross-sectional area of the third air inlet hole is greater than a sum of the cross-sectional areas of the plurality of air inlet holes. 
     
     
         11 . The vaporizer according to  claim 1 , further comprising a liquid absorbing body arranged in the liquid storage housing and in communication with the liquid storage cavity in a liquid guiding manner. 
     
     
         12 . The vaporizer according to  claim 11 , further comprising a seal member arranged in the liquid storage housing and sleeved on the base. 
     
     
         13 . The vaporizer according to  claim 12 , wherein the seal member comprises a protruding stage portion arranged between the liquid absorbing body and the air inlet protruding stage, and the protruding stage portion is provided with an air inlet through hole in communication with the plurality of air inlet holes. 
     
     
         14 . The vaporizer according to  claim 13 , wherein an end surface of an upper end of the air inlet through hole is higher than an end surface of an upper end of the protruding stage portion. 
     
     
         15 . The vaporizer according to  claim 13 , wherein the air inlet through hole comprises an air inlet section facing the base and an air outlet section away from the base, and a cross-sectional area of the air inlet section is greater than a cross-sectional area of the air outlet section. 
     
     
         16 . The vaporizer according to  claim 13 , wherein the air inlet through hole includes an air outlet arranged at an end of the air inlet through hole away from the air inlet protruding stage, a cross-sectional area of the air outlet is less than a cross-sectional area of the air inlet protruding stage. 
     
     
         17 . The vaporizer according to  claim 13 , wherein the seal member comprises a body portion which is annular and hermetically sleeved between the base and the liquid storage housing, and two opposite sides of the protruding stage portion are respectively connected with two opposite sides of the body portion. 
     
     
         18 . The vaporizer according to  claim 11 , further comprising a heating base formed in the liquid storage housing and mated with the base, wherein the liquid absorbing body is arranged between the heating base and the base. 
     
     
         19 . An electronic vaporization device, comprising a vaporizer, the vaporizer including:
 a liquid storage housing having a liquid storage cavity formed therein; and   a base arranged at one end of the liquid storage housing, wherein:
 the base comprises an air inlet protruding stage, 
 the air inlet protruding stage has an upper surface facing the liquid storage cavity, 
 the upper surface is in a shape of a protrusion; and 
 the air inlet protruding stage is provided with a plurality of air inlet holes extending from the upper surface away from the liquid storage cavity. 
   
     
     
         20 . A vaporizer, comprising:
 a liquid storage housing having a liquid storage cavity; and   a base arranged at one end of the liquid storage housing, wherein:
 the base comprises an air inlet protruding stage, 
 the air inlet protruding stage is provided with at least one first air inlet hole and at least one second air inlet hole, and 
 the first air inlet hole and the second air inlet hole have different cross-sectional areas. 
   
     
     
         21 . The vaporizer according to  claim 20 , wherein:
 the at least one first air inlet hole comprises a plurality of first air inlet holes,   the at least one second air inlet hole comprises a plurality of second air inlet holes, and   the plurality of second air inlet holes are arranged around the plurality of first air inlet holes.   
     
     
         22 . The vaporizer according to  claim 21 , wherein the plurality of first air inlet holes and the plurality of second air inlet holes are respectively distributed in annular arrays at equal intervals. 
     
     
         23 . The vaporizer according to  claim 20 , further comprising a protruding stage portion arranged in the liquid storage housing, wherein the protruding stage portion is provided with an air inlet through hole in communication with the at least one first air inlet hole and the at least one second air inlet hole. 
     
     
         24 . An electronic vaporization device, comprising a vaporizer, the vaporizer including:
 a liquid storage housing having a liquid storage cavity; and   a base arranged at one end of the liquid storage housing, wherein:
 the base comprises an air inlet protruding stage, 
 the air inlet protruding stage is provided with at least one first air inlet hole and at least one second air inlet hole, and 
 the first air inlet hole and the second air inlet hole have different cross-sectional areas.