Vaporization core, electronic vaporization assembly, and electronic vaporization device

Abstract

A vaporization core for heating and vaporizing an aerosol-generation substrate includes: a first substrate having a first surface and a second surface opposite the first surface, the first surface being provided with a first microgroove array, the first microgroove array including a plurality of first microgrooves, the plurality of first microgrooves guiding a flowing of an aerosol-generation substrate, the first substrate including a dense material; and a first heating element arranged on the second surface for heating the first substrate to vaporize the aerosol-generation substrate in the plurality of first microgrooves.

What is claimed is: 
     
         1 . A vaporization core for heating and vaporizing an aerosol-generation substrate, comprising:
 a first substrate comprising a first surface and a second surface opposite the first surface, the first surface being provided with a first microgroove array, the first microgroove array comprising a plurality of first microgrooves, the plurality of first microgrooves being configured to guide a flowing of an aerosol-generation substrate, the first substrate comprising a dense material; and   a first heating element arranged on the second surface and configured to heat the first substrate to vaporize the aerosol-generation substrate in the plurality of first microgrooves.   
     
     
         2 . The vaporization core of  claim 1 , wherein a width of each first microgroove of the plurality of first microgrooves is less than 0.3 mm, and a depth of each first microgroove is less than 0.3 mm. 
     
     
         3 . The vaporization core of  claim 1 , wherein a cross section of each first microgroove of the plurality of first microgrooves is V-shaped. 
     
     
         4 . The vaporization core of  claim 1 , wherein each first microgroove of the plurality of first microgrooves comprises a blind groove. 
     
     
         5 . The vaporization core of  claim 1 , wherein the first heating element is configured to generate a temperature field when heating the first substrate, and first microgrooves of the plurality of first microgrooves with different densities are provided corresponding to different temperature areas. 
     
     
         6 . The vaporization core of  claim 1 , further comprising:
 a second substrate comprising a third surface and a fourth surface opposite the third surface, the third surface being provided with a second microgroove array, the second microgroove array comprising a plurality of second microgrooves,   wherein the first substrate and the second substrate are stacked, and the second surface is attached to the fourth surface such that the first heating element is arranged between the first substrate and the second substrate.   
     
     
         7 . The vaporization core of  claim 1 , further comprising:
 a second substrate comprising a third surface and a fourth surface opposite the third surface, the third surface being provided with a second microgroove array, the second microgroove array comprising a plurality of second microgrooves,   wherein the first substrate and the second substrate are stacked, and the first surface is attached to the third surface such that the first heating element is arranged on a side of the first substrate away from the second substrate.   
     
     
         8 . The vaporization core of  claim 7 , further comprising:
 a second heating element attached to the fourth surface and configured to heat the second substrate,   wherein the first heating element and the second heating element are configured to be controlled to operate by different driving mechanisms, and   wherein the plurality of first microgrooves and the plurality of second microgrooves are not in communication with each other.   
     
     
         9 . The vaporization core of  claim 7 , wherein the plurality of first microgrooves are parallel to each other and provided at intervals, the plurality of second microgrooves are parallel to each other and provided at intervals, and the plurality of first microgrooves and the plurality of second microgrooves are in communication with each other in an intersecting manner. 
     
     
         10 . The vaporization core of  claim 1 , wherein the first surface comprises a first area and a second area adjacent to the first area, the plurality of first microgrooves extend from the first area to the second area, the second surface comprises a third area corresponding to the first area, and the first heating element is arranged and covered only on the third area. 
     
     
         11 . An electronic vaporization assembly, comprising:
 a liquid storage cavity; and   the vaporization core of  claim 1 .   
     
     
         12 . The electronic vaporization assembly of  claim 11 , wherein the plurality of first microgrooves are parallel to each other and provided at intervals,
 wherein the liquid storage cavity comprises a first liquid storage chamber and a second liquid storage chamber provided at intervals on two ends of the plurality of first microgrooves, and the aerosol-generation substrate in the first liquid storage chamber and the second liquid storage chamber is configured to diffuse from two ends to a middle part of the plurality of first microgrooves, and   wherein the first heating element is arranged at a position on the second surface corresponding to the middle part of the plurality of first microgrooves.   
     
     
         13 . The electronic vaporization assembly of  claim 11 , wherein the plurality of first microgrooves extend from a center to a periphery,
 wherein the liquid storage cavity is provided corresponding to the center, and the aerosol-generation substrate in the liquid storage cavity is configured to diffuse from the center to the periphery along the plurality of first microgrooves, and   wherein the first heating element is arranged on the second surface around the liquid storage cavity.   
     
     
         14 . An electronic vaporization device, comprising:
 a power supply assembly; and   the electronic vaporization assembly of  claim 1 .