Vaporizer and aerosol generation device

Abstract

This application discloses a vaporizer and an aerosol generation device. The vaporizer includes a housing provided with an open end, where a liquid storage cavity and a vaporization component for vaporizing a liquid substrate to form an aerosol are provided in the housing; a base, covering the open end of the housing, where at least a part of the base defines an air inlet for entry of external air, at least a part of the air inlet extends transversely in a short axis direction of the housing, and the base and the vaporization component jointly define a vaporization cavity; and at least one first airflow channel, connecting the air inlet to the vaporization cavity, where at least a part of the first airflow channel extends longitudinally along the housing.

1 . A vaporizer, comprising:
 a housing provided with an open end, wherein a liquid storage cavity for storing a liquid substrate and a vaporization component for vaporizing the liquid substrate to form an aerosol are provided in the housing; and   a base, connected to the open end of the housing, wherein:   at least a part of the base defines an air inlet for entry of external air;   the base and the vaporization component jointly define a vaporization cavity, and the vaporization cavity and the air inlet are in fluid communication through an airflow channel, wherein:   the airflow channel comprises at least one first airflow channel and at least one second airflow channel, the first airflow channel extends in a direction from the air inlet toward the vaporization cavity, and the second airflow channel extends on the base and is roughly perpendicular to the extending direction of the first airflow channel.   
     
     
         2 . The vaporizer according to  claim 1 , wherein a sealing gasket is provided in the base, the sealing gasket has a vent hole, and the vent hole connects the first airflow channel to the vaporization cavity; and
 the vaporization component comprises a porous body and a heating element, and the vent hole is disposed directly facing the heating element.   
     
     
         3 . The vaporizer according to  claim 2 , wherein at least a part of the sealing gasket defines at least one buffer region capable of storing a condensate; and at least one diversion portion is provided on the sealing gasket, and the condensate is capable of entering the buffer region along the diversion portion. 
     
     
         4 . The vaporizer according to  claim 1 , wherein the base is provided with a bottom surface, and the air inlet is defined by a first groove formed by recessing at least a part of the bottom surface. 
     
     
         5 . The vaporizer according to  claim 4 , further comprising an electrode that is connected to the vaporization component and supplies power to the vaporization component, wherein:
 two electrode mounting holes are provided on the bottom surface, wherein a hole diameter of an end portion of at least one electrode mounting hole is greater than an outer diameter of the electrode, to form a third airflow channel between the electrode and the electrode mounting hole, and the third airflow channel connects the air inlet to the second airflow channel.   
     
     
         6 . The vaporizer according to  claim 5 , wherein the electrode has a fixing portion mounted on the bottom surface, and at least a part of the fixing portion covers an air inlet end of the first airflow channel. 
     
     
         7 . The vaporizer according to  claim 6 , wherein at least a part of the bottom surface is recessed to form two second grooves, and the fixing portion is capable of being fixedly mounted in the second grooves; and
 the second grooves are located on two sides of the air inlet.   
     
     
         8 . The vaporizer according to  claim 7 , wherein at least a part of a surface of the second groove is recessed to form a third groove, and the third groove defines the second airflow channel. 
     
     
         9 . The vaporizer according to  claim 8 , wherein the second airflow channel is on a straight line on which the air inlet extends transversely in a short axis direction of the housing. 
     
     
         10 . The vaporizer according to  claim 1 , wherein the first airflow channel is located on the base or is jointly defined by the housing and the base. 
     
     
         11 . An aerosol generation device, comprising the vaporizer according to  claim 1 , and a power supply device for supplying power to the vaporizer for driving.