Heating assembly, vaporizer, and electronic vaporization device

Abstract

A heating assembly for a vaporizer is disclosed. The heating assembly includes a dense substrate having a liquid absorbing surface and a vaporization surface that are arranged opposite to each other, and a heating component disposed on the liquid absorbing surface. The dense substrate further includes a plurality of vertical holes and a plurality of transverse holes, the plurality of vertical holes run through the liquid absorbing surface and the vaporization surface, and the plurality of transverse holes communicate the plurality of vertical holes to prevent bubbles from blocking liquid supplying through the plurality of transverse holes, thereby further preventing dry burning.

What is claimed is: 
     
         1 . A heating assembly, comprising:
 a dense substrate comprising a liquid absorbing surface and a vaporization surface that are arranged opposite to each other, wherein the dense substrate comprises a plurality of vertical holes and a plurality of transverse holes, the plurality of vertical holes run through the liquid absorbing surface and the vaporization surface, and the plurality of transverse holes communicate the plurality of vertical holes; and   a heating component disposed on the liquid absorbing surface.   
     
     
         2 . The heating assembly according to  claim 1 , wherein the plurality of transverse holes comprise a plurality of first transverse holes extending in a first direction and a plurality of second transverse holes extending in a second direction, the second direction intersects with the first direction, and the plurality of first transverse holes and the plurality of second transverse holes are provided in a same layer with respect to a thickness direction of the dense substrate. 
     
     
         3 . The heating assembly according to  claim 1 , wherein the plurality of transverse holes comprise a plurality of first transverse holes extending in a first direction and a plurality of second transverse holes extending in a second direction, the second direction intersects with the first direction, and the plurality of first transverse holes and the plurality of second transverse holes are provided in different layers with respect to a thickness direction of the dense substrate. 
     
     
         4 . The heating assembly according to  claim 1 , wherein each of the plurality of vertical holes comprises a first vertical hole segment close to the liquid absorbing surface and a second vertical hole segment close to the vaporization surface, and a hole diameter of the first vertical hole segment is different from a hole diameter of the second vertical hole segment. 
     
     
         5 . The heating assembly according to  claim 4 , wherein the hole diameter of the first vertical hole segment at an end opening of the liquid absorbing surface is a first value, the hole diameter of the second vertical hole segment at an end opening of the vaporization surface is a second value, and the first value is greater than the second value. 
     
     
         6 . The heating assembly according to  claim 5 , wherein in a direction from the vaporization surface to the liquid absorbing surface, the hole diameter of each of the plurality of vertical holes is gradually increased. 
     
     
         7 . The heating assembly according to  claim 1 , wherein the hole diameter of each of the plurality of vertical holes is consistent. 
     
     
         8 . The heating assembly according to  claim 1 , wherein a thickness of the dense substrate ranges from 0.1 mm to 1 mm. 
     
     
         9 . The heating assembly according to  claim 1 , wherein a hole diameter of each of the plurality of vertical holes ranges from 1 μm to 100 μm. 
     
     
         10 . The heating assembly according to  claim 1 , wherein a hole diameter of each of the plurality of transverse holes ranges from 1 μm to 100 μm. 
     
     
         11 . The heating assembly according to  claim 1 , wherein a ratio of a thickness of the dense substrate to a hole diameter of each of the plurality of vertical holes ranges from 20:1 to 3:1. 
     
     
         12 . The heating assembly according to  claim 1 , wherein a ratio of a distance between centers of adjacent vertical holes to a hole diameter of each of the plurality of vertical holes ranges from 3:1 to 5:1. 
     
     
         13 . A vaporizer, comprising:
 a liquid storage cavity configured to store an aerosol-generation substrate; and   a heating assembly in fluid communication with the liquid storage cavity and configured to vaporize the aerosol-generation substrate, the heating assembly comprising:
 a dense substrate comprising a liquid absorbing surface and a vaporization surface that are arranged opposite to each other, wherein the dense substrate comprises a plurality of vertical holes and a plurality of transverse holes, the plurality of vertical holes run through the liquid absorbing surface and the vaporization surface, and the plurality of transverse holes communicate the plurality of vertical holes; and 
 a heating component disposed on the liquid absorbing surface. 
   
     
     
         14 . The vaporizer according to  claim 13 , wherein the plurality of transverse holes comprise a plurality of first transverse holes extending in a first direction and a plurality of second transverse holes extending in a second direction, the second direction intersects with the first direction, and the plurality of first transverse holes and the plurality of second transverse holes are provided in a same layer with respect to a thickness direction of the dense substrate. 
     
     
         15 . The vaporizer according to  claim 13 , wherein the plurality of transverse holes comprise a plurality of first transverse holes extending in a first direction and a plurality of second transverse holes extending in a second direction, the second direction intersects with the first direction, and the plurality of first transverse holes and the plurality of second transverse holes are provided in different layers with respect to a thickness direction of the dense substrate. 
     
     
         16 . The vaporizer according to  claim 13 , wherein each of the plurality of vertical holes comprises a first vertical hole segment close to the liquid absorbing surface and a second vertical hole segment close to the vaporization surface, and a hole diameter of the first vertical hole segment is different from a hole diameter of the second vertical hole segment. 
     
     
         17 . The vaporizer according to  claim 13 , wherein a thickness of the dense substrate ranges from 0.1 mm to 1 mm. 
     
     
         18 . The vaporizer according to  claim 13 , wherein a hole diameter of each of the plurality of vertical holes ranges from 1 μm to 100 μm. 
     
     
         19 . The vaporizer according to  claim 13 , wherein a hole diameter of each of the plurality of transverse holes ranges from 1 μm to 100 μm. 
     
     
         20 . An electronic device, comprising:
 a vaporizer, comprising:
 a liquid storage cavity configured to store an aerosol-generation substrate; and 
 a heating assembly in fluid communication with the liquid storage cavity and configured to vaporize the aerosol-generation substrate, the heating assembly comprising:
 a dense substrate comprising a liquid absorbing surface and a vaporization surface that are arranged opposite to each other, wherein the dense substrate comprises a plurality of vertical holes and a plurality of transverse holes, the plurality of vertical holes run through the liquid absorbing surface and the vaporization surface, and the plurality of transverse holes communicate the plurality of vertical holes; and 
 a heating component disposed on the liquid absorbing surface; and 
 
   a main unit, configured to supply electric energy for operation of the vaporizer and control the heating assembly to vaporize the aerosol-generation substrate.