Atomization core, atomizer and electronic atomization device

Abstract

An atomization core is provided in an atomization channel and configured to heat an atomization substrate. The atomization core includes a first heating member, a second heating member, an electrode portion and a controller. The first heating member and the second heating member are disposed in the atomization channel, the first heating member is disposed near an outlet of the atomization channel, and the second heating member is disposed near an atomization substrate outlet of the atomization channel. The controller is connected to each of the first heating member and the second heating member through the electrode portion to control an operation of the first heating member and/or an operation of the second heating member.

What is claimed is: 
     
         1 . An atomization core, provided in an atomization channel and configured to heat an atomization substrate, the atomization core comprising a first heating member, a second heating member, an electrode portion and a controller,
 wherein each of the first heating member and the second heating member is disposed in the atomization channel, the first heating member is disposed near an outlet of the atomization channel, and the second heating member is disposed near an atomization substrate outlet of the atomization channel; and   the controller is connected to each of the first heating member and the second heating member through the electrode portion to control at least one of an operation of the first heating member or an operation of the second heating member.   
     
     
         2 . The atomization core according to  claim 1 , wherein the electrode portion includes a first electrode, a second electrode, and a third electrode;
 an output terminal of the first electrode is connected to each of the first heating member and the second heating member, and an input terminal of the first electrode is connected to the controller;   the controller is configured to control the first heating member to operate after the second heating member has operated for a period of time;   an output terminal of the second electrode is connected to the first heating member, and an input terminal of the second electrode is connected to the controller; and   an output terminal of the third electrode is connected to the second heating member, and an input terminal of the third electrode is connected to the controller.   
     
     
         3 . The atomization core according to  claim 1 , wherein the first heating member and the second heating member are spaced apart by a distance of 5 mm to 10 mm in an axial direction of the atomization channel. 
     
     
         4 . The atomization core according to  claim 2 , wherein the first heating member and the second heating member are spaced apart by a distance of 5 mm to 10 mm in an axial direction of the atomization channel. 
     
     
         5 . The atomization core according to  claim 3 , wherein the first heating member has a resistance R1, and the second heating member has a resistance R2; and
 R1−R2=0.2˜0.4Ω, and R2=0.6˜1.5Ω.   
     
     
         6 . The atomization core according to  claim 4 , wherein the first heating member has a resistance R1, and the second heating member has a resistance R2; and
 R1−R2=0.2˜0.4Ω, and R2=0.6˜1.5Ω.   
     
     
         7 . The atomization core according to  claim 1 , wherein a first liquid-absorbing member is provided in the atomization channel and provided with a first heating channel in an axial direction of the atomization channel, and at least one of the second heating member or the first heating member is provided in the first heating channel. 
     
     
         8 . The atomization core according to  claim 7 , wherein the second heating member is disposed in the first heating channel; and
 a second liquid-absorbing member is provided in the atomization channel and provided with a second heating channel in the axial direction of the atomization channel, and the first heating member is provided in the second heating channel.   
     
     
         9 . The atomization core according to  claim 8 , wherein the first heating channel and the second heating channel are coaxial, and an inner diameter of the first heating channel is less than or equal to an inner diameter of the second heating channel. 
     
     
         10 . An atomizer, comprising an outer shell and an atomization core disposed within the outer shell,
 wherein the atomization core is provided in an atomization channel and configured to heat an atomization substrate, and comprises a first heating member, a second heating member, an electrode portion and a controller;   each of the first heating member and the second heating member is disposed in the atomization channel, the first heating member is disposed near an outlet of the atomization channel, and the second heating member is disposed near an atomization substrate outlet of the atomization channel; and   the controller is connected to each of the first heating member and the second heating member through the electrode portion to control at least one of an operation of the first heating member or an operation of the second heating member.   
     
     
         11 . The atomizer according to  claim 10 , further comprising an inner shell,
 wherein an atomization substrate storage chamber is provided in the inner shell, the outer shell and the inner shell are spaced apart by a region that forms an atomization substrate storage channel, and the atomization substrate storage channel communicates with the atomization substrate storage chamber.   
     
     
         12 . The atomizer according to  claim 10 , wherein the electrode portion includes a first electrode, a second electrode, and a third electrode;
 an output terminal of the first electrode is connected to each of the first heating member and the second heating member, and an input terminal of the first electrode is connected to the controller;   the controller is configured to control the first heating member to operate after the second heating member has operated for a period of time;   an output terminal of the second electrode is connected to the first heating member, and an input terminal of the second electrode is connected to the controller; and   an output terminal of the third electrode is connected to the second heating member, and an input terminal of the third electrode is connected to the controller.   
     
     
         13 . The atomizer according to  claim 10 , wherein the first heating member and the second heating member are spaced apart by a distance of 5 mm to 10 mm in an axial direction of the atomization channel. 
     
     
         14 . The atomizer according to  claim 13 , wherein the first heating member has a resistance R1, and the second heating member has a resistance R2; and
 R1−R2=0.2˜0.4Ω, and R2=0.6˜1.5Ω.   
     
     
         15 . The atomizer according to  claim 10 , wherein a first liquid-absorbing member is provided in the atomization channel and provided with a first heating channel in an axial direction of the atomization channel, and at least one of the second heating member or the first heating member is provided in the first heating channel. 
     
     
         16 . The atomizer according to  claim 15 , wherein the second heating member is disposed in the first heating channel; and
 a second liquid-absorbing member is provided in the atomization channel and provided with a second heating channel in the axial direction of the atomization channel, and the first heating member is provided in the second heating channel.   
     
     
         17 . The atomizer according to  claim 16 , wherein the first heating channel and the second heating channel are coaxial, and an inner diameter of the first heating channel is less than or equal to an inner diameter of the second heating channel. 
     
     
         18 . An electronic atomization device, comprising an atomizer,
 wherein the atomizer comprises an outer shell and an atomization core disposed within the outer shell;   the atomization core is provided in an atomization channel and configured to heat an atomization substrate, and comprises a first heating member, a second heating member, an electrode portion and a controller;   each of the first heating member and the second heating member is disposed in the atomization channel, the first heating member is disposed near an outlet of the atomization channel, and the second heating member is disposed near an atomization substrate outlet of the atomization channel; and   the controller is connected to each of the first heating member and the second heating member through the electrode portion to control at least one of an operation of the first heating member or an operation of the second heating member.   
     
     
         19 . The electronic atomization device according to  claim 18 , wherein the atomizer further comprises an inner shell; and
 an atomization substrate storage chamber is provided in the inner shell, the outer shell and the inner shell are spaced apart by a region that forms an atomization substrate storage channel, and the atomization substrate storage channel communicates with the atomization substrate storage chamber.   
     
     
         20 . The electronic atomization device according to  claim 18 , wherein the electrode portion includes a first electrode, a second electrode, and a third electrode;
 an output terminal of the first electrode is connected to each of the first heating member and the second heating member, and an input terminal of the first electrode is connected to the controller;   the controller is configured to control the first heating member to operate after the second heating member has operated for a period of time;   an output terminal of the second electrode is connected to the first heating member, and an input terminal of the second electrode is connected to the controller; and   an output terminal of the third electrode is connected to the second heating member, and an input terminal of the third electrode is connected to the controller.