Aerosol-generating device

Abstract

An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a pipe having an insertion space defined therein that is elongated along a longitudinal direction; a substrate configured to cover an outer wall of a side of the pipe; and a coupler configured to couple the pipe and the substrate to each other.

1 . An aerosol-generating device comprising:
 a pipe having an insertion space defined therein that is elongated along a longitudinal direction;   a substrate configured to cover an outer wall of a side of the pipe; and   a coupler configured to couple the pipe and the substrate to each other.   
     
     
         2 . The aerosol-generating device according to  claim 1 , wherein the substrate has a shape of a film bent at a predetermined curvature, and surrounds an outer circumferential surface of the side of the pipe. 
     
     
         3 . The aerosol-generating device according to  claim 2 , wherein the coupler comprises:
 an coupling holes located at an upper end and a lower end of the substrate with respect to a direction of the bent shape of the substrate; and   an coupling protrusions protruding from the pipe at positions corresponding to the coupling holes to be inserted into the coupling holes to couple the pipe and the substrate to each other.   
     
     
         4 . The aerosol-generating device according to  claim 3 , wherein the substrate extends vertically along the longitudinal direction of the insertion space to be disposed at a height corresponding to the insertion space, and
 wherein the coupling holes comprise:   a pair of upper coupling holes at two opposite corners of the upper end of the substrate; and   a pair of lower coupling holes at two opposite corners of the lower end of the substrate.   
     
     
         5 . The aerosol-generating device according to  claim 3 , wherein each of the coupling protrusions has a hook shape. 
     
     
         6 . The aerosol-generating device according to  claim 5 , wherein each of the coupling protrusions comprises:
 a protruding portion protruding along a radially outward direction of the pipe; and   a bent portion bent and extending from a distal end of the protruding portion along a direction opposite the substrate.   
     
     
         7 . The aerosol-generating device according to  claim 3 , further comprising:
 a first support portion protruding from an upper end of the side of the pipe and extending along the direction of the bent shape of the substrate to support the upper end of the substrate; and   a second support portion protruding from a lower end of the side of the pipe and extending along the direction of the bent shape of the substrate to support the lower end of the substrate.   
     
     
         8 . The aerosol-generating device according to  claim 1 , wherein the substrate has a first sensor mounted therein to sense a change in inductance around the substrate. 
     
     
         9 . The aerosol-generating device according to  claim 8 ,
 wherein the aerosol-generating device further comprises:   a second substrate disposed opposite the substrate with respect to the insertion space to cover an outer wall of another side of the pipe, the second substrate having a second sensor mounted therein to sense a change in capacitance around the second substrate.   
     
     
         10 . The aerosol-generating device according to  claim 1 , wherein the substrate has a surface attached to the outer wall of the pipe via an adhesive member.