Atomizer, and electronic atomization device thereof

Abstract

A vaporizer includes: a liquid storage tank for storing liquid; a mounting base including a vent channel for transmitting air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, the leaked liquid buffer structure being in communication with the vent channel; and a vaporization core including a porous substrate and a heating element, the porous substrate being in fluid communication with the liquid storage tank and absorbing liquid from the liquid storage tank through a capillary force, the heating element heating and vaporizing the liquid of the porous substrate. The vaporization core is located between the liquid storage tank and the leaked liquid buffer structure. The leaked liquid buffer structure abuts the porous substrate and refluxes liquid leaked from the vent channel to the porous substrate.

What is claimed is: 
     
         1 . A vaporizer, comprising:
 a liquid storage tank configured to store liquid;   a mounting base comprising a vent channel configured to transmit air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, the leaked liquid buffer structure being in communication with the vent channel; and   a vaporization core comprising a porous substrate and a heating element, the porous substrate being in fluid communication with the liquid storage tank and configured to absorb liquid from the liquid storage tank through a capillary force, the heating element being configured to heat and vaporize the liquid of the porous substrate,   wherein the vaporization core is located between the liquid storage tank and the leaked liquid buffer structure, and   wherein the leaked liquid buffer structure abuts the porous substrate and is configured to reflux liquid leaked from the vent channel to the porous substrate.   
     
     
         2 . The vaporizer of  claim 1 , wherein, when an air pressure in the liquid storage tank increases, the liquid is pressed to overflow to the vent channel, and the leaked liquid buffer structure is configured to receive and lock the liquid leaked from the vent channel, and
 wherein, when the air pressure in the liquid storage tank decreases, the liquid refluxes to the liquid storage tank through the porous substrate.   
     
     
         3 . The vaporizer of  claim 1 , wherein the mounting base comprises an upper base body and a lower base body, the lower base body and the upper base body being fixedly connected to form a vaporization cavity,
 wherein the vaporization core is accommodated in the vaporization cavity,   wherein the vent channel is provided on the upper base body,   wherein the leaked liquid buffer structure is provided on the lower base body, and   wherein the vent channel is connected to a bottom of the vaporization cavity through the leaked liquid buffer structure and is configured to absorb liquid deposited at the bottom of the vaporization cavity through a capillary force.   
     
     
         4 . The vaporizer of  claim 3 , wherein the vent channel is in communication with the vaporization cavity. 
     
     
         5 . The vaporizer of  claim 4 , wherein the vent channel comprises a capillary vent groove provided on an outer wall of the upper base body, one end of the capillary vent groove being connected to the liquid storage tank, one end of the capillary vent groove away from the liquid storage tank comprising an air inlet, the air inlet being provided on an end portion of the upper base body close to the lower base body, and the air inlet being in communication with the vaporization cavity. 
     
     
         6 . The vaporizer of  claim 5 , wherein a vent communication groove is provided on the lower base body, and
 wherein the vent communication groove is configured to communicate the vent channel with the vaporization cavity.   
     
     
         7 . The vaporizer of  claim 6 , wherein a first seal member is provided on one end of the upper base body away from the lower base body,
 wherein a one-way valve matching an end opening of the vent channel is provided on the first seal member, the one-way valve being configured to block the liquid in the liquid storage tank from leaking to the vent channel, and   wherein, when the air pressure in the liquid storage tank decreases, air in the vent channel pushes the one-way valve to enter the liquid storage tank, and the liquid in the vent channel refluxes to the liquid storage tank through the vent channel.   
     
     
         8 . The vaporizer of  claim 3 , wherein the upper base body comprises a housing and a separating plate provided on the housing, the separating plate comprising an air guide hole structure, the air guide hole structure being in communication with the liquid storage tank,
 wherein a seal member is provided between one side of the separating plate away from the liquid storage tank and the vaporization core, and   wherein the vent channel is provided between the upper base body and the seal member, the vent channel communicating the liquid storage tank with the vaporization cavity, one end of the vent channel being in communication with the air guide hole structure, and an other end of the vent channel being in communication with the vaporization cavity to transmit air to the liquid storage tank so as to balance air pressure in the liquid storage tank.   
     
     
         9 . The vaporizer of  claim 8 , wherein an air guide groove structure is provided on an inner wall of one side of the housing close to the seal member, and
 wherein the seal member covers the air guide groove structure to form the vent channel.   
     
     
         10 . The vaporizer of  claim 8 , wherein an air guide groove structure is provided on the seal member, and
 wherein the housing covers the air guide groove structure to form the vent channel.   
     
     
         11 . The vaporizer of  claim 8 , wherein the seal member is configured to prevent liquid leakage of the vent channel. 
     
     
         12 . The vaporizer of  claim 3 , wherein the leaked liquid buffer structure is provided on the lower base body,
 wherein the porous substrate comprises a liquid absorbing surface and a vaporization surface, the liquid absorbing surface being connected to a liquid flowing hole,   wherein the heating element is provided on the vaporization surface, and   wherein surfaces other than the liquid absorbing surface and the vaporization surface of the porous substrate are in contact with the leaked liquid buffer structure.   
     
     
         13 . The vaporizer of  claim 12 , wherein the leaked liquid buffer structure comprises a first capillary groove and a second capillary groove, the second capillary groove being provided at the bottom of the vaporization cavity, one end of the first capillary groove being in contact with the porous substrate, and an other end of the first capillary groove extending to the bottom of the vaporization cavity so as to be in communication with the second capillary groove. 
     
     
         14 . The vaporizer of  claim 12 , wherein the leaked liquid buffer structure comprises a capillary hole and a second capillary groove, the second capillary groove being provided at the bottom of the vaporization cavity, one end of the capillary hole being in contact with the porous substrate, and an other end of the capillary hole extending to the bottom of the vaporization cavity so as to be in communication with the second capillary groove. 
     
     
         15 . The vaporizer of  claim 12 , wherein the leaked liquid buffer structure comprises a porous material and is configured to support the porous substrate. 
     
     
         16 . The vaporizer of  claim 1 , wherein the capillary force of the leaked liquid buffer structure is greater than a capillary force of the vent channel, and
 wherein, when the heating element heats and vaporizes the liquid of the porous substrate, the leaked liquid buffer structure is configured to absorb leaked liquid in the vent channel.   
     
     
         17 . The vaporizer of  claim 1 , wherein the capillary force of the porous substrate is greater than the capillary force of the leaked liquid buffer structure, and
 wherein, when the heating element heats and vaporizes the liquid of the porous substrate, the liquid received by the leaked liquid buffer structure refluxes to the porous substrate and is heated and vaporized.   
     
     
         18 . The vaporizer of  claim 1 , wherein the porous substrate comprises an e-liquid transmission portion and a protruding portion integrally formed on one side of the e-liquid transmission portion, and
 wherein the leaked liquid buffer structure is provided on an edge of the e-liquid transmission portion and provided at intervals with the protruding portion.   
     
     
         19 . The vaporizer of  claim 1 , wherein the porous substrate comprises a porous ceramic or a porous metal. 
     
     
         20 . An electronic vaporization device, comprising:
 a power supply component; and   the vaporizer of  claim 1 .   
     
     
         21 . An electronic vaporization device, comprising:
 a liquid storage tank configured to store liquid;   a mounting base comprising a vent channel configured to transmit air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, the leaked liquid buffer structure being in communication with the vent channel;   a vaporization core comprising a porous substrate and a heating element, the porous substrate being in fluid communication with the liquid storage tank and configured to absorb liquid from the liquid storage tank through a capillary force, the heating element being configured to heat and vaporize the liquid of the porous substrate; and   a power supply component configured to supply power to the vaporization core,   wherein the vaporization core is located between the liquid storage tank and the leaked liquid buffer structure, and   wherein the leaked liquid buffer structure abuts the porous substrate and is configured to reflux liquid leaked from the vent channel.   
     
     
         22 . The electronic vaporization device of  claim 21 , wherein, when an air pressure in the liquid storage tank increases, the liquid is pressed to overflow to the vent channel, and the leaked liquid buffer structure is configured to receive and lock redundant liquid, and
 wherein, when the air pressure in the liquid storage tank decreases, the redundant liquid refluxes to the liquid storage tank through the porous substrate.   
     
     
         23 . The electronic vaporization device of  claim 21 , wherein the mounting base comprises an upper base body and a lower base body, the lower base body and the upper base body being fixedly connected to form a vaporization cavity, the vaporization core being accommodated in the vaporization cavity, the vent channel being provided on the upper base body, the leaked liquid buffer structure being provided on the lower base body, and
 wherein the vent channel is connected to a bottom of the vaporization cavity and is configured to absorb liquid deposited at the bottom of the vaporization cavity through the capillary force of the leaked liquid buffer structure.