Electronic vaporization device and heating element, vaporization core, and vaporizer thereof

Abstract

A heating element for vaporization includes: a surface provided with a microgroove portion, the microgroove portion being arranged at least on one side of the heating element that is away from a preset liquid absorbing element, the microgroove portion having a microgroove, an opening of the microgroove being connected with the preset liquid absorbing element. The heating element is connectable with the preset liquid absorbing element to heat and vaporize to-be-vaporized liquid.

What is claimed is: 
     
         1 . A heating element for vaporization, comprising:
 a surface provided with a microgroove portion, the microgroove portion being arranged at least on one side of the heating element that is away from a preset liquid absorbing element, the microgroove portion comprising a microgroove, an opening of the microgroove being connected with the preset liquid absorbing element,   wherein the heating element is configured to be connected with the preset liquid absorbing element to heat and vaporize to-be-vaporized liquid.   
     
     
         2 . The heating element of  claim 1 , wherein the microgroove comprises a groove provided on the surface of the heating element, or
 wherein the microgroove portion comprises at least two protrusions arranged on the surface of the heating element, and the microgroove is formed between two adjacent protrusions.   
     
     
         3 . The heating element of  claim 1 , wherein the heating element comprises a metal wire,
 wherein the microgroove comprises an arc-shaped groove provided on the surface of the metal wire, or   wherein the microgroove comprises a linear groove provided on the surface of the metal wire.   
     
     
         4 . The heating element of  claim 3 , wherein the microgroove comprises the arc-shaped groove provided on the surface of the metal wire,
 wherein the arc-shaped groove comprises an annular groove provided on the surface of the metal wire, or   wherein the arc-shaped groove comprises a spiral groove provided on the surface of the metal wire.   
     
     
         5 . The heating element of  claim 3 , wherein the microgroove comprises the linear groove provided on the surface of the metal wire,
 wherein an extending direction of the linear groove is perpendicular to a length direction of the metal wire, or   wherein the extending direction of the linear groove is parallel to a length direction of the metal wire, and the metal wire is bent at an end portion of the linear groove.   
     
     
         6 . The heating element of  claim 3 , further comprising:
 a plurality of microgroove portions, the plurality of microgroove portions being arranged at intervals sequentially along a length direction of the metal wire.   
     
     
         7 . The heating element of  claim 6 , wherein each of the plurality of microgroove portions is provided with a plurality of microgrooves provided in parallel at intervals, and a width of each microgroove portion of the plurality of microgroove portions is 3 to 5 times of a width of each microgroove of the plurality of microgrooves. 
     
     
         8 . The heating element of  claim 6 , wherein a distance between two adjacent microgroove portions of the plurality of microgroove portions is 5 to 8 times of a width of each microgroove portion of the plurality of microgroove portions. 
     
     
         9 . The heating element of  claim 1 , wherein a depth of each microgroove of the plurality of microgrooves ranges from 5 um to 15 um, and a width of each microgroove ranges from 5 um to 30 um. 
     
     
         10 . The heating element of  claim 1 , wherein a cross section of each microgroove of the plurality of microgrooves is triangular, rectangular, trapezoidal, semicircular, or elliptical. 
     
     
         11 . A vaporization core, comprising:
 a liquid absorbing element; and   the heating element of  claim 1 ,   wherein the liquid absorbing element comprises a vaporization surface and a liquid absorbing surface, the liquid absorbing element being configured to allow to-be-vaporized liquid to enter from the liquid absorbing surface and to reach the vaporization surface after passing through the liquid absorbing element,   wherein the heating element is connected with the liquid absorbing element, the heating element being arranged on one side of the vaporization surface and configured to heat and vaporize the to-be-vaporized liquid passing through the vaporization surface, and   wherein the microgroove portion is arranged at at least on one side of the heating element that is away from the vaporization surface, the microgroove portion comprising a microgroove, an opening of the microgroove being connected with the vaporization surface.   
     
     
         12 . The vaporization core of  claim 11 , wherein the liquid absorbing element comprises a vaporization hole, the vaporization surface being arranged on an inner wall of the vaporization hole, and
 wherein the heating element comprises a spirally coiled metal wire and is fixedly connected with the inner wall of the vaporization hole.   
     
     
         13 . A vaporizer, comprising:
 a vaporization sleeve;   a mounting base; and   the vaporization core of  claim 11 .   
     
     
         14 . An electronic vaporization device, comprising:
 the vaporizer of  claim 13  configured to store to-be-vaporized liquid and to vaporize the to-be-vaporized liquid to form vapor inhalable by a user; and   a body component configured to supply power to the vaporizer.