Atomization assembly and electronic cigarette

Abstract

An atomization assembly comprises an e-liquid reservoir, a porous body, and a healing element. The e-liquid reservoir comprises an e-liquid storage cavity (b) for storing e-liquid. Used for adsorbing e-liquid in the e-liquid storage cavity, the porous body comprises an e-liquid contract surface, an e-liquid atomization surface and an air inlet surface and it adsorbs the e-liquid in the e-liquid storage cavity by means of the e-liquid contact surface; the air inlet surface is for allowing gas to flow into the porous body and flow into the e-liquid storage cavity by means of the porous body; the distance between the air inlet surface and the e-liquid contact surface is smaller than the distance between the e-liquid atomization surface and the e-liquid contact surface, and at least part of the heating element is in contact with the e-liquid atomization surface so as to atomize the e-liquid on the e-liquid atomization surface.

1 . An atomization assembly, comprising an e-liquid reservoir, a porous body, and a heating element, wherein the e-liquid reservoir comprises an e-liquid storage cavity used for storing an e-liquid, the porous body is used for adsorbing the e-liquid in the e-liquid storage cavity; the porous body comprises an e-liquid contact surface, an e-liquid atomization surface and an air inlet surface; the porous body adsorbs the e-liquid in the e-liquid storage cavity by means of the e-liquid contact surface; the air inlet surface is used for allowing air to flow into the porous body and flow into the e-liquid storage cavity by means of the porous body; the distance between the air inlet surface and the e-liquid contact surface is smaller than the distance between the e-liquid atomization surface and the e-liquid contact surface, and at least part of the heating element is combined onto the e-liquid atomization surface so as to atomize the e-liquid on the e-liquid atomization surface. 
     
     
         2 . The atomization assembly according to  claim 1 , wherein the heating element comprises a heating section, which is arranged extending within the e-liquid atomization surface. 
     
     
         3 . The atomization assembly according to  claim 2 , wherein the heating element further comprises an extending section, a first electrical connection portion and a second electrical connection portion, a first end of the extending section is connected to a first end of the heating section, a second end of the extending section is connected to the second electrical connection portion, and the first electrical connection portion is connected to a second end of the heating section. 
     
     
         4 . The atomization assembly according to  claim 3 , wherein the extending section has a greater cross-sectional area than the heating section. 
     
     
         5 . The atomization assembly according to  claim 3 , wherein the e-liquid atomization surface and the air inlet surface are located within one same plane, at least part of the extending section is attached onto the air inlet surface, a contact area between the extending section and the porous body is greater than a contact area between the heating section and the porous body. 
     
     
         6 . The atomization assembly according to  claim 1 , wherein the porous body comprises a first recess and a second recess, both of the first recess and the second recess are communicated with the e-liquid storage cavity, a bottom wall of the first recess forms an e-liquid guide wall of which a bottom surface forms the e-liquid atomization surface, and a bottom wall of the second recess forms an air inlet wall of which a bottom surface forms the air inlet surface. 
     
     
         7 . The atomization assembly according to  claim 6 , wherein the e-liquid reservoir further comprises an aerosol channel, the porous body further comprises a blocking wall located between the first recess and the second recess, the blocking wall comprises an air hole which is communicated with the aerosol channel, the e-liquid guide wall and the air inlet wall are located at two opposite sides of the position of the air hole respectively. 
     
     
         8 . The atomization assembly according to  claim 1 , wherein the e-liquid reservoir further comprises a first e-liquid holding tank, which is configured for storing a condensed or leaking e-liquid. 
     
     
         9 . The atomization assembly according to  claim 8 , wherein the e-liquid reservoir comprises an e-liquid storage sleeve, a sealing seat and a fixing seat; the e-liquid storage sleeve comprises the e-liquid storage cavity; the sealing seat is accommodated in the e-liquid storage sleeve and is sleeved on the porous body, and the sealing seat seals the cavity opening of the e-liquid storage cavity; the fixing seat is installed on an end part of the e-liquid storage sleeve, the fixing seat presses against the sealing seat, and the fixing seat comprises the first e-liquid holding tank. 
     
     
         10 . The atomization assembly according to  claim 9 , wherein the e-liquid reservoir further comprises a blocking seat, the fixing seat comprises an air inlet, the blocking seat is located between the porous body and the fixing seat, and the blocking seat is configured for guiding an airflow entering from the air inlet onto the e-liquid atomization surface. 
     
     
         11 . The atomization assembly according to  claim 10 , wherein the blocking seat comprises a second e-liquid holding tank, of which a tank opening is arranged facing the porous body. 
     
     
         12 . The atomization assembly according to  claim 1 , wherein the atomization assembly comprises an atomization channel, which is configured for allowing an aerosol formed by atomization of e-liquid to flow through to be discharged to the outside of the atomization assembly; and both of the e-liquid atomization surface and the air inlet surface are exposed into the atomization channel. 
     
     
         13 . An electronic cigarette, comprising an atomization assembly and a battery assembly configured for supplying power to the atomization assembly, wherein the atomization assembly is the one described according to  claim 1 . 
     
     
         14 . The atomization assembly according to  claim 2 , wherein the porous body comprises a first recess and a second recess, both of the first recess and the second recess are communicated with the e-liquid storage cavity, a bottom wall of the first recess forms an e-liquid guide wall of which a bottom surface forms the e-liquid atomization surface, and a bottom wall of the second recess forms an air inlet wall of which a bottom surface forms the air inlet surface. 
     
     
         15 . The atomization assembly according to  claim 3 , wherein the porous body comprises a first recess and a second recess, both of the first recess and the second recess are communicated with the e-liquid storage cavity, a bottom wall of the first recess forms an e-liquid guide wall of which a bottom surface forms the e-liquid atomization surface, and a bottom wall of the second recess forms an air inlet wall of which a bottom surface forms the air inlet surface. 
     
     
         16 . The atomization assembly according to  claim 4 , wherein the porous body comprises a first recess and a second recess, both of the first recess and the second recess are communicated with the e-liquid storage cavity, a bottom wall of the first recess forms an e-liquid guide wall of which a bottom surface forms the e-liquid atomization surface, and a bottom wall of the second recess forms an air inlet wall of which a bottom surface forms the air inlet surface. 
     
     
         17 . The atomization assembly according to  claim 5 , wherein the porous body comprises a first recess and a second recess, both of the first recess and the second recess are communicated with the e-liquid storage cavity, a bottom wall of the first recess forms an e-liquid guide wall of which a bottom surface forms the e-liquid atomization surface, and a bottom wall of the second recess forms an air inlet wall of which a bottom surface forms the air inlet surface. 
     
     
         18 . The atomization assembly according to  claim 2 , wherein the e-liquid reservoir further comprises a first e-liquid holding tank, which is configured for storing a condensed or leaking e-liquid. 
     
     
         19 . The atomization assembly according to  claim 3 , wherein the e-liquid reservoir further comprises a first e-liquid holding tank, which is configured for storing a condensed or leaking e-liquid. 
     
     
         20 . The atomization assembly according to  claim 4 , wherein the e-liquid reservoir further comprises a first e-liquid holding tank, which is configured for storing a condensed or leaking e-liquid.