Atomization core, atomizer and aerosol generation apparatus

Abstract

An atomization core includes: a substrate; and a heating element in contact with the substrate, the heating element including SS316L heating wires and two electrode connecting portions. The SS316L heating wires heat an aerosol generation substrate. The two electrode connecting portions are electrically connectable to a power supply. The two electrode connecting portions are arranged at an interval. The SS316L heating wires are bent and extend to be connected to the two electrode connecting portions.

What is claimed is: 
     
         1 . An atomization core, comprising:
 a substrate; and   a heating element in contact with the substrate, the heating element comprising SS316L heating wires and two electrode connecting portions,   wherein the SS316L heating wires are configured to heat an aerosol generation substrate,   wherein the two electrode connecting portions are configured to be electrically connected to a power supply,   wherein the two electrode connecting portions are arranged at an interval, and   wherein the SS316L heating wires are bent and extend to be connected to the two electrode connecting portions.   
     
     
         2 . The atomization core of  claim 1 , wherein a contact area between the SS316L heating wires and the substrate is 4 mm2 to 6 mm2. 
     
     
         3 . The atomization core of  claim 1 , wherein a resistance value range of the SS316L heating wires is 0.206Ω to 0.825Ω. 
     
     
         4 . The atomization core of  claim 3 , wherein a thickness of the SS316L heating wires is 0.08 mm to 0.1 mm, and/or
 wherein a width of the SS316L heating wires is 0.08 mm to 0.1 mm.   
     
     
         5 . The atomization core of  claim 3 , wherein a distance between concave side end portions of two adjacent corners on the SS316L heating wires is 0.3 mm to 0.5 mm, and/or
 wherein a length of a single SS316L heating wire of the SS316L heating wires is 7 mm to 12 mm.   
     
     
         6 . The atomization core of  claim 1 , wherein the SS316L heating wires comprise two SS316L heating wires,
 wherein the two SS316L heating wires are arranged side by side, and   wherein convex side end portions of the corners of the sides, close to each other, of the two SS316L heating wires are connected to each other.   
     
     
         7 . The atomization core of  claim 6 , wherein the heating element comprises a plurality of reinforcing portions extending in a side-by-side direction of the SS316L heating wires,
 wherein one end of each reinforcing portion of the plurality of reinforcing portions is connected to the convex side end portion of the corner, far away from each other, of the two SS316L heating wires, and   wherein the plurality of reinforcing portions are symmetrically arranged relative to a connecting line of connecting positions of the two SS316L heating wires.   
     
     
         8 . An atomizer, comprising:
 a housing; and   the atomization core of  claim 1 ,   wherein the housing is provided with an air outlet channel, and a liquid storage cavity configured to store the aerosol generation substrate,   wherein the heating element is arranged on one side, facing the air outlet channel, of the substrate so as to heat the aerosol generation substrate in the substrate.   
     
     
         9 . An aerosol generation apparatus, comprising:
 a power supply assembly; and   the atomizer of claim  8 ,   wherein a power supply of the power supply assembly is electrically connected to the heating element.   
     
     
         10 . The aerosol generation apparatus of  claim 9 , wherein an output voltage of the power supply assembly is 1.6 V to 3.2 V, and an output power is 9 W to 11 W, and/or wherein a power ratio of unit area of the SS316L heating wires ranges from 1.4 W/mm2 to 2.2 W/mm2.