Atomizer and electronic atomization device

Abstract

A vaporizer includes: a first air inlet; a first air outlet; a first airflow channel, the first airflow channel being in communication with the first air inlet and the first air outlet; a vaporization assembly arranged in the first airflow channel; a second airflow channel, two ends of the second airflow channel separately intersecting the first airflow channel to form a first intersection and a second intersection, the first intersection being located between the first air outlet and the vaporization assembly, and the second intersection being located between the first air inlet and the vaporization assembly; and a capillary liquid absorbing structure connected to the second airflow channel. When an inhaling action occurs at the first air outlet, accumulated liquid in the first airflow channel close to the second intersection enters the second airflow channel through the second intersection so as to be absorbed by the capillary liquid absorbing structure.

What is claimed is: 
     
         1 . A vaporizer, comprising:
 a first air inlet;   a first air outlet;   a first airflow channel, the first airflow channel being in communication with the first air inlet and the first air outlet;   a vaporization assembly arranged in the first airflow channel;   a second airflow channel, two ends of the second airflow channel separately intersecting the first airflow channel to form a first intersection and a second intersection, the first intersection being located between the first air outlet and the vaporization assembly, and the second intersection being located between the first air inlet and the vaporization assembly; and   a capillary liquid absorbing structure connected to the second airflow channel,   wherein, when an inhaling action occurs at the first air outlet, accumulated liquid in the first airflow channel that is close to the second intersection enters the second airflow channel through the second intersection so as to be absorbed by the capillary liquid absorbing structure.   
     
     
         2 . The vaporizer of  claim 1 , wherein the capillary liquid absorbing structure comprises a plurality of capillary grooves spaced apart sequentially in an extension direction of the second airflow channel and being in communication with the second airflow channel, and
 wherein capillary grooves of the plurality of capillary grooves that are relatively close to the second intersection are configured to absorb and store accumulated liquid entering the second airflow channel.   
     
     
         3 . The vaporizer of  claim 1 , wherein the first airflow channel comprises an air outlet channel and a vaporization cavity, the air outlet channel is in communication with the vaporization cavity and the first air outlet, the vaporization cavity is in communication with the first air inlet, the first intersection is arranged in the air outlet channel, and the second intersection is arranged in the vaporization cavity, and
 wherein the vaporization assembly is arranged in the vaporization cavity.   
     
     
         4 . The vaporizer of  claim 3 , wherein, when an inhaling action occurs at the first air outlet, air pressure of the second airflow channel is less than air pressure of the vaporization cavity, and the air pressure of the second airflow channel is greater than air pressure of the air outlet channel. 
     
     
         5 . The vaporizer of  claim 3 , wherein a volume of accommodation space in the second airflow channel and the capillary liquid absorbing structure is less than a volume of accommodation space in the vaporization cavity. 
     
     
         6 . The vaporizer of  claim 3 , wherein a cross-sectional area of the air outlet channel is less than a cross-sectional area of the vaporization cavity. 
     
     
         7 . The vaporizer of  claim 1 , further comprising:
 a leak-proof cavity,   wherein the second airflow channel and the capillary liquid absorbing structure are arranged in the leak-proof cavity, the leak-proof cavity is spaced apart from the first airflow channel, and the leak-proof cavity intersects and is in communication with the first airflow channel through the first intersection and the second intersection separately.   
     
     
         8 . The vaporizer of  claim 1 , further comprising:
 a housing; and   a leak-proof component arranged in the housing, at least part of the first airflow channel being provided in the leak-proof component, the vaporization assembly being arranged in the first airflow channel provided in the leak-proof component,   wherein a vacant portion is arranged inside the leak-proof component, an inner wall of the leak-proof component of the vacant portion and an inner wall of the housing surround and form the first airflow channel provided in the leak-proof component, an outer wall of the leak-proof component and the inner wall of the housing surround and form the second airflow channel, and the capillary liquid absorbing structure is arranged in space surrounded and formed by the outer wall of the leak-proof component and the inner wall of the housing.   
     
     
         9 . The vaporizer of  claim 8 , wherein a dike is arranged on the outer wall of the leak-proof component, the dike abutting the inner wall of the housing and being configured to separate the first airflow channel from the second airflow channel,
 wherein a first communication groove is provided on a portion of the dike corresponding to the first intersection so as to cause the first airflow channel to intersect the second airflow channel to form the first intersection, and   wherein a second communication groove is provided on a portion of the dike corresponding to the second intersection so as to cause the first airflow channel to intersect the second airflow channel to form the second intersection.   
     
     
         10 . The vaporizer of  claim 8 , wherein the capillary liquid absorbing structure comprises a plurality of capillary grooves,
 wherein a plurality of fins surrounding an outer periphery of the first airflow channel are arranged on the outer wall of the leak-proof component, the plurality of fins abutting the inner wall of the housing, and   wherein the plurality of capillary grooves are formed between adjacent fins of the plurality of fins.   
     
     
         11 . An electronic vaporization device, comprising:
 a first air inlet;   a first air outlet;   a first airflow channel in communication with the first air inlet and the first air outlet;   a vaporization assembly arranged in the first airflow channel;   a second airflow channel, two ends of the second airflow channel separately intersecting the first airflow channel to form a first intersection and a second intersection, the first intersection being located between the first air outlet and the vaporization assembly, and the second intersection being located between the first air inlet and the vaporization assembly; and   a capillary liquid absorbing structure connected to the second airflow channel,   wherein, when an inhaling action occurs at the first air outlet, accumulated liquid in the first airflow channel that is close to the second intersection enters the second airflow channel through the second intersection so as to be absorbed by the capillary liquid absorbing structure.   
     
     
         12 . The electronic vaporization device of  claim 11 , wherein the capillary liquid absorbing structure comprises a plurality of capillary grooves spaced apart sequentially in an extension direction of the second airflow channel and in communication with the second airflow channel, and
 wherein the capillary grooves of the plurality of capillary grooves that are relatively close to the second intersection are configured to absorb and store accumulated liquid entering the second airflow channel.   
     
     
         13 . The electronic vaporization device of  claim 11 , wherein the first airflow channel comprises an air outlet channel and a vaporization cavity, the air outlet channel is in communication with the vaporization cavity and the first air outlet, the vaporization cavity is in communication with the first air inlet, the first intersection is arranged in the air outlet channel, and the second intersection is arranged in the vaporization cavity, and
 wherein the vaporization assembly is arranged in the vaporization cavity.   
     
     
         14 . The electronic vaporization device of  claim 13 , wherein, when an inhaling action occurs at the first air outlet, air pressure of the second airflow channel is less than air pressure of the vaporization cavity, and the air pressure of the second airflow channel is greater than air pressure of the air outlet channel. 
     
     
         15 . The electronic vaporization device of  claim 13 , wherein a volume of accommodation space in the second airflow channel and the capillary liquid absorbing structure is less than a volume of accommodation space in the vaporization cavity. 
     
     
         16 . The electronic vaporization device of  claim 13 , wherein a cross-sectional area of the air outlet channel is less than a cross-sectional area of the vaporization cavity. 
     
     
         17 . The electronic vaporization device of  claim 11 , further comprising:
 a leak-proof cavity, the second airflow channel and the capillary liquid absorbing structure being arranged in the leak-proof cavity, the leak-proof cavity being spaced apart from the first airflow channel,   wherein the leak-proof cavity intersects and is in communication with the first airflow channel through the first intersection and the second intersection separately.   
     
     
         18 . The electronic vaporization device of  claim 11 , further comprising:
 a housing; and   a leak-proof component arranged in the housing, at least part of the first airflow channel being provided in the leak-proof component, the vaporization assembly being arranged in the first airflow channel provided in the leak-proof component,   wherein a vacant portion is arranged inside the leak-proof component, an inner wall of the leak-proof component of the vacant portion and an inner wall of the housing surround and form the first airflow channel provided in the leak-proof component, an outer wall of the leak-proof component and the inner wall of the housing surround and form the second airflow channel, and the capillary liquid absorbing structure is arranged in space surrounded and formed by the outer wall of the leak-proof component and the inner wall of the housing.   
     
     
         19 . The electronic vaporization device of  claim 18 , wherein a dike is arranged on the outer wall of the leak-proof component, the dike abutting the inner wall of the housing and being configured to separate the first airflow channel from the second airflow channel, and
 wherein a first communication groove is provided on a portion of the dike corresponding to the first intersection so as to cause the first airflow channel to intersect the second airflow channel to form the first intersection, and a second communication groove is provided on a portion of the dike corresponding to the second intersection so as to cause the first airflow channel to intersect the second airflow channel to form the second intersection.   
     
     
         20 . The electronic vaporization device of  claim 18 , wherein the capillary liquid absorbing structure comprises a plurality of capillary grooves,
 wherein a plurality of fins surrounding an outer periphery of the first airflow channel are arranged on the outer wall of the leak-proof component, the plurality of fins abutting the inner wall of the housing, and   wherein the capillary grooves are formed between adjacent fins of the plurality of fins.