Electronic vaporization device

Abstract

An electronic vaporization device includes: a suction nozzle portion; an airflow sensor; and a start channel, one end of the start channel being in communication with the suction nozzle portion and an other end of the start channel being in communication with the airflow sensor. A liquid absorbing portion is arranged at a section of the start channel close to the airflow sensor, the liquid absorbing portion absorbing liquid flowing through the start channel through a capillary force.

What is claimed is: 
     
         1 . An electronic vaporization device, comprising:
 a suction nozzle portion;   an airflow sensor; and   a start channel, one end of the start channel being in communication with the suction nozzle portion and an other end of the start channel being in communication with the airflow sensor,   wherein a liquid absorbing portion is arranged at a section of the start channel close to the airflow sensor, the liquid absorbing portion being configured to absorb liquid flowing through the start channel through a capillary force.   
     
     
         2 . The electronic vaporization device of  claim 1 , wherein the liquid absorbing portion comprises a capillary liquid guiding structure, the capillary liquid guiding structure comprising at least one capillary groove, the capillary groove being configured to absorb the liquid flowing through the start channel. 
     
     
         3 . The electronic vaporization device of  claim 2 , further comprising:
 a plurality of capillary grooves, wherein the plurality of capillary grooves are provided side by side.   
     
     
         4 . The electronic vaporization device of  claim 3 , wherein a capillary force of a capillary groove of the plurality of capillary grooves away from the airflow sensor is stronger than a capillary force of a capillary groove of the plurality of capillary grooves close to the airflow sensor. 
     
     
         5 . The electronic vaporization device of  claim 1 , wherein the liquid absorbing portion comprises a capillary liquid guiding structure and a porous liquid storage element, the capillary liquid guiding structure being configured to absorb the liquid flowing through the start channel to the porous liquid storage element. 
     
     
         6 . The electronic vaporization device of  claim 5 , wherein the capillary liquid guiding structure comprises a structure formed by a plurality of capillary grooves provided side by side. 
     
     
         7 . The electronic vaporization device of  claim 5 , wherein the porous liquid storage element comprises a liquid storage cotton or porous ceramic. 
     
     
         8 . The electronic vaporization device of  claim 6 , wherein a capillary force of the capillary groove of the plurality of capillary grooves away from the airflow sensor is stronger than a capillary force of a capillary groove of the plurality of capillary grooves close to the airflow sensor. 
     
     
         9 . The electronic vaporization device of  claim 5 , wherein the capillary liquid guiding structure comprises a plurality of first fins, the plurality of first fins being arranged in parallel at intervals to form at least one first capillary groove. 
     
     
         10 . The electronic vaporization device of  claim 9 , wherein the start channel comprises a first airway section and a second airway section,
 wherein one end of the first airway section is in communication with the airflow sensor, an other end of the first airway section is in communication with one end of the second airway section, and an other end of the second airway section is in communication with the suction nozzle portion, and   wherein distances from ends of the plurality of first fins close to the first airway section to a central axis of the first airway section are equal to each other and range from 0.9 mm to 1.5 mm.   
     
     
         11 . The electronic vaporization device of  claim 9 , wherein a region corresponding to the first airway section comprises a first region, and a region corresponding to the second airway section comprises a second region, and
 wherein a distance between one end of a first fin of the plurality of first fins arranged in the first region close to the first airway section and a central axis of the first airway section is a first distance, a distance between the one end of a first fin of the plurality of first fins arranged in the second region close to the first airway section and the central axis of the first airway section is a second distance, and the first distance is greater than the second distance.   
     
     
         12 . The electronic vaporization device of  claim 11 , wherein a plurality of second distances of the plurality of first fins arranged in the second region are equal to each other and range from 0.3 mm to 0.5 mm, and
 a plurality of first distances of the plurality of first fins arranged in the first region are equal to each other and range from 0.9 mm to 1.5 mm.   
     
     
         13 . The electronic vaporization device of  claim 11 , wherein a plurality of second distances of the plurality of first fins arranged in the second region decrease in an equidifferent manner as an equal difference in a direction from a position away from the first region to a position close to the first region, and the equal difference ranges from 0.3 mm to 0.5 mm, and
 a plurality of first distances of the plurality of first fins arranged in the first region are equal to each other and range from 0.9 mm to 1.5 mm.   
     
     
         14 . The electronic vaporization device of  claim 9 , wherein the capillary liquid guiding structure further comprises a plurality of second fins, the plurality of second fins being arranged on one side of the plurality of first fins away from the first airway section,
 wherein the plurality of second fins are arranged in parallel at intervals to form at least one second capillary groove,   wherein the first capillary groove is in communication with the second capillary groove, and   wherein a third capillary groove is formed between the plurality of first fins and the plurality of second fins.   
     
     
         15 . The electronic vaporization device of  claim 14 , wherein an included angle between extending directions of the plurality of first fins and the plurality of second fins and an extending direction of the first airway section ranges from 60 degrees to 90 degrees, and
 wherein the at least one first capillary groove and the at least one second capillary groove are provided in a one-to-one correspondence or in a staggered manner.   
     
     
         16 . The electronic vaporization device of  claim 14 , wherein a width of the first fin of the plurality of first fins ranges from 0.6 mm to 1.0 mm, and a width of the first capillary groove ranges from 0.3 mm to 0.5 mm,
 wherein a width of the second fin of the plurality of second fins ranges from 0.6 mm to 1.0 mm, and a width of the second capillary groove ranges from 0.3 mm to 0.5 mm, and   wherein a width of the third capillary groove ranges from 0.3 mm to 0.5 mm.   
     
     
         17 . The electronic vaporization device of  claim 14 , wherein a material of the first fin of the plurality of first fins and the second fin of the plurality of second fins comprises metal or porous ceramic. 
     
     
         18 . The electronic vaporization device of  claim 1 , further comprising:
 an air inlet; and   a vaporization channel,   wherein the vaporization channel is in communication with the air inlet and the suction nozzle portion, the vaporization channel is provided with a vaporization core, and the vaporization channel is in fluid communication with the start channel.   
     
     
         19 . The electronic vaporization device of  claim 18 , further comprising:
 a liquid storage tank,   wherein the vaporization channel comprises a vaporization cavity, the vaporization core is arranged in the vaporization cavity, the vaporization core is configured to vaporize liquid from the liquid storage tank, and the liquid absorbing portion is arranged between the vaporization core and the airflow sensor.