Vaporization core, vaporization device and manufacturing device for vaporization core

Abstract

Disclosed are a vaporization core, a vaporization device, and a manufacturing device for the vaporization core. The vaporization core of the present disclosure includes a heating element and a porous matrix. The heating part includes a first heating structure and a second heating structure connected by a connecting part. Second leads are arranged on both the first heating structure and the second heating structure, and the connecting part is provided with a first lead. Additionally, both the first heating structure and the second heating structure have a hollow structure penetrating their centers in an axial direction, and the heating element is fixedly arranged inside the porous matrix. In use, a power supply assembly alternately supplies current to the first heating structure and the second heating structure, which achieves the alternating heating through the first heating structure and the second heating structure.

1 . A vaporization core, comprising a heating element and a porous matrix;
 an installation cavity is formed inside the porous matrix, and the heating element is installed inside the installation cavity;   the heating element comprises a heating part, the heating part comprises a first heating structure and a second heating structure connected by a connecting part, the connecting part is provided with a first lead, and second leads are arranged on both the first heating structure and the second heating structure; the first lead is configured to input current, and the second leads are configured to output current; alternatively, the first lead is configured to output current, and the second leads are configured to input current; and both the first heating structure and the second heating structure have a hollow structure penetrating their centers in an axial direction.   
     
     
         2 . The vaporization core according to  claim 1 , wherein the first heating structure and the second heating structure are axially symmetrically arranged relative to the first lead arranged on the connecting part; or
 the first heating structure and the second heating structure are centrally symmetrically arranged relative to the first lead arranged on the connecting part.   
     
     
         3 . The vaporization core according to  claim 1 , wherein the heating element is a heating wire, and one end of the heating wire is arranged in a spiral manner to form the first heating structure; and the other end of the heating wire is also arranged in the spiral manner to form the second heating structure. 
     
     
         4 . The vaporization core according to  claim 3 , wherein a diameter of the heating wire ranges from 0.5 mm to 1 mm; and/or
 resistance values of the first heating structure and the second heating structure both range from 1.1 Ω to 1.5 Ω.   
     
     
         5 . The vaporization core according to  claim 1 , wherein the first heating structure is a heating mesh, and one end of the heating mesh is bent along a side edge and extends to the other end of the heating mesh to form the internally hollow first heating structure; or
 the second heating structure is a heating mesh, one end of the heating mesh is bent along a side edge and extends to the other end of the heating mesh to form the internally hollow second heating structure; or   the first heating structure and the second heating structure are both heating meshes, one end of a first heating mesh is bent along a side edge and extends to the other end of the first heating mesh to form the internally hollow first heating structure, and one end of a second heating mesh is bent along a side edge and extends to the other end of the second heating mesh to form the internally hollow second heating structure.   
     
     
         6 . The vaporization core according to  claim 5 , wherein a gap is formed between a distal end of the first heating structure and the connecting part, and a gap is formed between a distal end of the second heating structure and the connecting part. 
     
     
         7 . The vaporization core according to  claim 5 , wherein the connecting part between the first heating structure and the second heating structure is provided with a hollow-out structure. 
     
     
         8 . The vaporization core according to  claim 1 , wherein the installation cavity comprises a first installation cavity and a second installation cavity, the first heating structure is installed inside the first installation cavity, and the second heating structure is installed inside the second installation cavity. 
     
     
         9 . The vaporization core according to  claim 1 , wherein a cross section of the porous matrix is arranged to have an “8”-shaped structure, a rectangular structure, or a circular rectangular structure. 
     
     
         10 . A manufacturing device for a vaporization core, wherein the manufacturing device is configured to prepare the vaporization core according to  claim 1 , and the manufacturing device comprises a base and a molded structure;
 the base is provided with a mold core and a fixing hole; the mold core is configured to place the heating part and fixedly support the heating part, and the fixing hole is configured for a current lead to pass through; the current lead comprises the first lead or the second lead; and   the molded structure is provided with a mold cavity and a slurry injection port communicated with the mold cavity, when the molded structure is used in cooperation with the base, the mold core is located inside the mold cavity, and a spacing is left between an outer surface of the mold core and an inner surface of the mold cavity, wherein the spacing is configured to inject a porous matrix slurry.   
     
     
         11 . The manufacturing device according to  claim 10 , wherein the mold core is arranged in a columnar shape and extends in a direction away from the base, and the heating element is sleeved on the mold core. 
     
     
         12 . The manufacturing device according to  claim 11 , wherein the number of the mold cores equals to the number of the heating structures, and the mold cores are spaced apart from each other; and
 the number of the fixing holes equals to the number of the current leads.   
     
     
         13 . The manufacturing device according to  claim 10 , wherein the base is further provided with at least one first guiding post, the first guiding post extends in a direction toward the molded structure, and the molded structure is provided with a first guiding hole at a position corresponding to the first guiding post for the first guiding post to move inside the first guiding hole in a guiding manner; or
 the molded structure is further provided with at least one first guiding post, the first guiding post extends in a direction toward the base, and the base is provided with a first guiding hole at a position corresponding to the first guiding post for the first guiding post to move inside the first guiding hole in a guiding manner.   
     
     
         14 . The manufacturing device according to  claim 10 , wherein the molded structure comprises a mid-section molded substructure and an upper cover substructure, wherein the mold cavity is formed on the mid-section molded substructure, and the slurry injection port is arranged on the upper cover substructure; and when the upper cover substructure is used in cooperation with the mid-section molded substructure, the slurry injection port is communicated with the mold cavity. 
     
     
         15 . The manufacturing device according to  claim 14 , wherein a diameter of the slurry injection port gradually decreases in a slurry injection direction. 
     
     
         16 . The manufacturing device according to  claim 14 , wherein an opening area of the slurry injection port on a side close to the mid-section molded substructure is smaller than an opening area of the mold cavity on a side close to the upper cover substructure. 
     
     
         17 . The manufacturing device according to  claim 10 , wherein the base is formed by splicing a first base and a second base; a side surface where the first base is spliced with the second base is a first splicing surface, a side surface where the second base is spliced with the first base is a second splicing surface, and the first splicing surface and the second splicing surface are matched with each other; and
 the first splicing surface is provided with a first arc-shaped groove penetrating longitudinally, and the second splicing surface is provided with a second arc-shaped groove penetrating longitudinally at a position corresponding to the first arc-shaped groove; and after the first base and the second base are spliced, the first arc-shaped groove and the second arc-shaped groove form the fixing hole.   
     
     
         18 . The manufacturing device according to  claim 17 , wherein the first splicing surface is provided with one of a second guiding post and a second guiding hole, the second splicing surface is provided with the other of the second guiding post and the second guiding hole, and the second guiding post moves inside the second guiding hole in a guiding manner, to separate or splice the first base and the second base. 
     
     
         19 . The manufacturing device according to  claim 17 , wherein a plurality of fixing holes are formed, and central axes of the plurality of fixing holes are located on a same plane; or
 central axes of the plurality of fixing holes form at least two intersecting planes.   
     
     
         20 . A vaporization device, comprising a vaporization core, and a power supply assembly, wherein
 the vaporization core comprises a heating element and a porous matrix, an installation cavity is formed inside the porous matrix, and the heating element is installed inside the installation cavity; the heating element comprises a heating part, the heating part comprises a first heating structure and a second heating structure connected by a connecting part, the connecting part is provided with a first lead, and second leads are arranged on both the first heating structure and the second heating structure; the first lead is configured to input current, and the second leads are configured to output current; alternatively, the first lead is configured to output current, and the second leads are configured to input current; and both the first heating structure and the second heating structure have a hollow structure penetrating their centers in an axial direction; and   the power supply assembly is electrically connected to the heating element.