Vaporization device

Abstract

This application provides a vaporization device, including a shell, a bracket, a circuit board, an airflow sensor, and a sealing element. The shell forms a cavity and includes an installation hole. The bracket is arranged within the cavity. The circuit board is fixed to the bracket and includes a first surface and a second surface opposite to the first surface. The second surface faces the installation hole. The circuit board includes a first air hole. The airflow sensor is electrically connected to the second surface. The shell defines a first air passage and a second air passage, the first air passage communicating with the installation hole and the first air hole, the second air passage communicating with the first air passage and positioned on one side of the first air passage, with the airflow sensor arranged at one end of the second air passage away from the first air passage.

What is claimed is: 
     
         1 . A vaporization device, comprising:
 a shell, forming a cavity and provided with an installation hole;   a bracket arranged within the cavity;   a circuit board fixed to the bracket, wherein the circuit board comprises a first surface and a second surface opposite to the first surface, the second surface facing the installation hole, and the circuit board comprises a first air hole;   an airflow sensor connected to the second surface; and   a sealing element, wherein the shell is provided with a first air passage and a second air passage, the first air passage communicates with the installation hole and the first air hole, the second air passage communicates with the first air passage and positioned on one side of the first air passage, and the airflow sensor is arranged at one end of the second air passage away from the first air passage.   
     
     
         2 . The vaporization device according to  claim 1 , wherein the circuit board comprises a second air hole, and the second air hole penetrates through the first surface, the second air hole corresponding to the airflow sensor. 
     
     
         3 . The vaporization device according to  claim 1 , wherein the circuit board comprises a first area and a second area, the first air hole being arranged in the first area; and
 wherein the vaporization device further comprises a power supply component, and the power supply component comprises an oil chamber and a power source, the oil chamber corresponding to the first area, the first air passage communicating with the oil chamber, the power source corresponding to the second area and electrically connected to the circuit board, and the airflow sensor being arranged in the second area.   
     
     
         4 . The vaporization device according to  claim 3 , wherein the vaporization device further comprises oil-absorbent cotton, the oil-absorbent cotton being arranged on the bracket and located on one side of the second surface of the circuit board and between the first air hole and the first air passage. 
     
     
         5 . The vaporization device according to  claim 4 , wherein a junction of the second air passage and the first air passage is positioned on a side of the oil-absorbent cotton away from the circuit board. 
     
     
         6 . The vaporization device according to  claim 1 , wherein the second air passage comprises multiple bent portions. 
     
     
         7 . The vaporization device according to  claim 6 , wherein the second air passage comprises a first gas segment, a second gas segment, and a third gas segment; and
 wherein the first gas segment bends towards a side of the first air passage to form a first bend, the third gas segment bends towards another side of the first air passage to form a second bend, and both ends of the second gas segment connect the first bend and an end of the third gas segment away from the second bend.   
     
     
         8 . The vaporization device according to  claim 1 , wherein the sealing element further comprises a plurality of third air holes, the third air holes communicating with the first air hole;
 wherein the vaporization device further comprises an air adjustment device, the air adjustment device being slidably arranged on the bracket and located at the installation hole; and   wherein during a sliding process of the air adjustment device, the plurality of third air holes are selectively closed or at least one of the plurality of third air holes is selectively shielded.   
     
     
         9 . The vaporization device according to  claim 8 , wherein the air adjustment device comprises a fixing plate and a protruding portion, the protruding portion being arranged on a surface of the fixing plate; and
 wherein the fixing plate is slidably arranged on the bracket, and the protruding portion extends from the installation hole and is configured to drive the fixing plate to move by external force, so that the fixing plate during the sliding process selectively closes the plurality of third air holes or shields at least one of the plurality of third air holes.   
     
     
         10 . The vaporization device according to  claim 9 , wherein the shell comprises a bottom plate, the installation hole being arranged on the bottom plate;
 wherein a surface of the bracket facing the bottom plate comprises a first locking position and a second locking position, the first locking position and the second locking position being arranged oppositely, the first locking position and the second locking position being arranged at intervals;   wherein the first locking position and the second locking position form a gap between the first locking position and the second locking position, the surface of the bracket facing the bottom plate; and   wherein the fixing plate is slidably arranged within the gap, and the protruding portion extends from a space between the first locking position and the second locking position and extends through the installation hole.