Aerosol generation device and heater for aerosol generation device

1. A heater for an aerosol generation device, the heater comprising:

a plurality of segments combined together to form an insertion portion into which an object-to-be-heated is inserted;

one or more electrically conductive tracks printed on one surface of each of the plurality of segments and disposed toward the object-to-be-heated; and

an elastic member configured to surround at least a part of the plurality of segments.

2. The heater of claim 1 , wherein the elastic member is configured to surround and compress the part of the plurality of segments to maintain a structure in which the plurality of segments are combined.

3. The heater of claim 1 , wherein the elastic member comprises a material having an elastic force in a direction of an inner surface of the elastic member.

4. The heater of claim 1 , wherein an inner diameter of the elastic member is smaller than an outer diameter of a structure in which the plurality of segments are in close contact with each other along an outer circumference of the object-to-be-heated.

5. The heater of claim 1 , wherein at least some of the plurality of segments are spaced apart from each other by the object-to-be-heated inserted into the insertion portion.

6. The heater of claim 1 , wherein a cross-sectional shape of the elastic member configured to surround the part of the plurality of segments, when viewed in a direction in which the object-to-be-heated is inserted, is at least one of a circle and a polygon.

7. The heater of claim 1 , further comprising:

a lower support portion disposed at a lower end of the plurality of segments to support the plurality of segments at the lower end thereof; and

an upper support portion configured to support the plurality of segments at an upper end thereof, and comprising one or more wing portions bound to the lower support portion.

8. The heater of claim 7 , wherein the lower support portion, the elastic member, and the upper support portion are arranged such that an air gap is formed between an outer surface of the plurality of segments and at least one of the lower support portion, the elastic member, and the upper support portion.

9. The heater of claim 7 , wherein the at least one of the lower support portion, the elastic member, and the upper support portion is in contact with the plurality of segments along a line.

10. The heater of claim 1 , wherein the object-to-be-heated is a cigarette, and

wherein the one or more electrically conductive tracks are disposed at a position corresponding to a tobacco rod of the cigarette inserted into the insertion portion.

11. The heater of claim 1 , wherein the plurality of segments are heated to different temperatures by the one or more electrically conductive tracks.

12. The heater of claim 1 , further comprising:

a coating layer formed on an inner surface of each of the plurality of segments and configured to protect the one or more electrically conductive tracks.

13. The heater of claim 1 , further comprising:

one or more sensor tracks printed on an inner surface of each of the plurality of segments.

14. The heater of claim 13 , wherein a temperature of each of the plurality of segments is independently detectable by the one or more sensor tracks.

15. An aerosol generation device comprising:

a heater comprising:

a plurality of segments combined together to form an insertion portion into which an object-to-be-heated is inserted;

one or more electrically conductive tracks printed on one surface of each of the plurality of segments and disposed toward the object-to-be-heated; and

an elastic member configured to surround at least a part of the plurality of segments; and

a controller configured to heat the plurality of segments to different temperatures by controlling power supply to the one or more electrically conductive tracks.

16. A method of manufacturing a heater for an aerosol generation device, the method comprising:

printing one or more electrically conductive tracks on one surface of each of a plurality of segments;

placing the plurality of segments such that the one or more electrically conductive tracks face each other;

installing a lower support portion at a lower end of the plurality of segments to support the plurality of segments;

surrounding at least some of the plurality of segments with an elastic member; and

installing an upper support portion at an upper end of the plurality of segments, the upper support portion comprising one or more wing portions bound to the lower support portion.