Atomization core of e-cigarette and e-cigarette

Abstract

The present disclosure discloses an atomization core of an e-cigarette and an e-cigarette. The atomization core of the e-cigarette includes a porous body and a strip-shaped heating body. The porous body has a liquid absorption end and an atomization end, the atomization end has a first end surface that is away from the liquid absorption end, and the strip-shaped heating body is arranged on the first end surface. The first end surface has a first edge and a second edge that extend along a first direction and are spaced along a second direction, and a maximum distance between the first edge and the second edge in the second direction is a first dimension. The first end surface has a third edge and a fourth edge that extend along the second direction and are spaced along the first direction.

What is claimed is: 
     
         1 . An atomization core of an e-cigarette, comprising:
 a porous body and a strip-shaped heating body,   the porous body having a liquid absorption end and an atomization end, the atomization end having a first end surface that is away from the liquid absorption end, and the strip-shaped heating body being arranged on the first end surface,   the first end surface having a first edge and a second edge that extend along a first direction and are spaced along a second direction, and a maximum distance between the first edge and the second edge in the second direction being a first dimension, and   the first end surface having a third edge and a fourth edge that extend along the second direction and are spaced along the first direction, and a maximum distance between the third edge and the fourth edge in the first direction being a second dimension, wherein a ratio of the second dimension to the first dimension is greater than or equal to 2, and the first dimension ranges from 1.2 mm to 3.8 mm.   
     
     
         2 . The atomization core of the e-cigarette according to  claim 1 , wherein the second dimension ranges from 6.5 mm to 15 mm. 
     
     
         3 . The atomization core of the e-cigarette according to  claim 1 , wherein:
 a bump is arranged on the atomization end, the bump having a second end surface that is away from the liquid absorption end and a side surface that is located on an outer periphery of the bump, wherein the second end surface is an atomization surface, or the second end surface and the side surface are atomization surfaces; and   the liquid absorption end has a third end surface that is away from the atomization end, the third end surface being a liquid absorption surface.   
     
     
         4 . The atomization core of the e-cigarette according to  claim 3 , wherein the liquid absorption surface has a seventh edge and an eighth edge that extend along the second direction and are spaced along the first direction, a maximum distance between the seventh edge and the eighth edge in the first direction being a third dimension, and the third dimension being greater than the second dimension; or the liquid absorption surface has a fifth edge and a sixth edge that extend along the first direction and are spaced along the second direction, a maximum distance between the fifth edge and the sixth edge in the second direction being a fourth dimension, and the fourth dimension being the same as the first dimension,
 the third dimension ranging from 7.5 mm to 22 mm.   
     
     
         5 . The atomization core of the e-cigarette according to  claim 1 , wherein the strip-shaped heating body extends in a curve on the first end surface; and
 the heating body has two heating sections that extend along the second direction and are adjacently arranged along the first direction, wherein a minimum distance between the two heating sections in the first direction is a fifth dimension, the fifth dimension ranging from 0.2 mm to 2 mm; and   wherein the two heating sections are connected by a bending section, the bending section being bent towards the first edge or the bending section being bent towards the second edge.   
     
     
         6 . The atomization core of the e-cigarette according to  claim 5 , wherein the bending section is bent towards the first edge, and a shortest distance between the bending section and the second edge in the second direction ranges from 0.05 mm to 2 mm; or the bending section is bent towards the second edge, and a shortest distance between the bending section and the first edge in the second direction ranges from 0.05 mm to 2 mm. 
     
     
         7 . The atomization core of the e-cigarette according to  claim 1 , wherein the strip-shaped heating body has a head end heating section and a tail end heating section, and at least one of the head end heating section and the tail end heating section extends along the first direction. 
     
     
         8 . The atomization core of the e-cigarette according to  claim 7 , wherein the head end heating section extends along the first direction, and a shortest distance between the head end heating section and the first edge or the second edge in the second direction ranges from 0.05 mm to 2 mm; or the tail end heating section extends along the first direction, and a shortest distance between the tail end heating section and the first edge or second edge in the second direction ranges from 0.05 mm to 2 mm. 
     
     
         9 . The atomization core of the e-cigarette according to  claim 7 , wherein the head end heating section and a heating section connected thereto are connected by an arc-shaped fragment, a curvature radius of the arc-shaped fragment being greater than 0.2. 
     
     
         10 . The atomization core of the e-cigarette according to  claim 1 , wherein a total length of the strip-shaped heating body ranges from 7 mm to 30 mm;
 and a width of the strip-shaped heating body ranges from 0.05 mm to 2.3 mm.   
     
     
         11 . The atomization core of the e-cigarette according to  claim 3 , wherein a ratio of an area of the atomization surface to an area of the strip-shaped heating body is less than 6. 
     
     
         12 . The atomization core of the e-cigarette according to  claim 3 , wherein a first patch board and a second patch board are arranged on the atomization surface; the liquid absorption surface and the atomization surface are arranged opposite to each other; and an extension direction from the liquid absorption surface to the atomization surface is a third direction, the first patch board having a first central axis in the third direction, the second patch board having a second central axis in the third direction, and a distance between the first central axis and the second central axis ranging from 1.2 mm to 14 mm. 
     
     
         13 . The atomization core of the e-cigarette according to  claim 12 , wherein the first patch board has a first side surface that is close to the third edge, a shortest distance between the first side surface and the third edge in the first direction ranging from 0.15 mm to 1 mm; or the second patch board has a second side surface that is close to the fourth edge, a shortest distance between the second side surface and the fourth edge in the first direction ranging from 0.15 mm to 1 mm. 
     
     
         14 . The atomization core of the e-cigarette according to  claim 12 , wherein a maximum dimension of the first patch board in the first direction ranges from 0.6 mm to 1 mm; or
 a maximum dimension of the second patch board in the first direction ranges from 0.6 mm to 1 mm, or a maximum dimension of each of the first patch board and the second patch board in the first direction ranges from 0.6 mm to 1 mm.   
     
     
         15 . The atomization core of the e-cigarette according to  claim 12 , wherein the strip-shaped heating body has a first heating section that is close to the first patch board, the first heating section extending along the second direction, and wherein the first patch board has a third side surface that is close to the strip-shaped heating body in the first direction, a shortest distance between the first heating section and the third side surface ranging from 0.3 mm to 1.5 mm; or
 the strip-shaped heating body has a second heating section that is close to the second patch board, the second heating section extending along the second direction, and wherein the second patch board has a fourth side surface that is close to the strip-shaped heating body in the first direction, a shortest distance between the second heating section and the fourth side surface ranging from 0.3 mm to 1.5 mm.   
     
     
         16 . The atomization core of the e-cigarette according to  claim 12 , wherein along the extension direction from the liquid absorption surface to the atomization surface, the atomization surface has a third central axis, wherein:
 the first central axis offsets towards the second edge of the porous body by a first predetermined distance relative to the third central axis; and   the second central axis offsets towards the first edge of the porous body by a second predetermined distance relative to the third central axis.   
     
     
         17 . The atomization core of the e-cigarette according to  claim 16 , wherein a ratio of the first predetermined distance to the first dimension ranges from 1/5 to 1/3; or a ratio of the second predetermined distance to the second dimension ranges from 1/5 to 1/3; or a ratio of the first predetermined distance to the first dimension and a ratio of the second predetermined distance to the first dimension both range from 1/5 to 1/3. 
     
     
         18 . The atomization core of the e-cigarette according to  claim 12 , wherein the strip-shaped heating body has a head end heating section, one end of the head end heating section is connected to the first patch board, and the head end heating section extends from the first patch board towards the first edge of the porous body; and
 the strip-shaped heating body has a tail end heating section, one end of the tail end heating section is connected to the second patch board, and the tail end heating section extends from the second patch board towards the second edge of the porous body.   
     
     
         19 . The atomization core of the e-cigarette according to  claim 1 , wherein the strip-shaped heating body comprises a first side heating section, an intermediate heating section, and a second side heating section, wherein:
 the first side heating section, the intermediate heating section, and the second side heating section extend along the second direction and are adjacently arranged in the first direction;   the intermediate heating section is located between the first side heating section and the second side heating section;   the first side heating section, the intermediate heating section, and the second side heating section are connected by two bending sections with reverse bending directions, the two bending sections tilt towards each other in the first direction; and   a width of the intermediate heating section is greater than a width of the first side heating section or a width of the second side heating section.   
     
     
         20 . An e-cigarette, comprising a housing and the atomization core of the e-cigarette according to  claim 1  that is arranged in the housing.