Aerosol-generating device

Abstract

An aerosol-generating device is disclosed. The aerosol-generating device of the present disclosure comprises: a main body; a power supply mounted on the main body; and a hollow heater assembly mounted on the main body and providing an insertion space with an opening on one side. The heater assembly includes: an elongated sheet; a receiver; and a conductive track that generates heat by receiving power from a power source, and the heater assembly may be formed by sequentially placing the susceptor and the conductive track on the sheet in a longitudinal direction of the sheet and rolling the sheet in the longitudinal direction.

Description

Technical Field

[0001] This disclosure relates to an aerosol generating apparatus. Background Technology

[0002] An aerosol generating device is an apparatus that extracts certain components from a medium or substance by forming aerosols. The medium can contain multi-component substances. The substances contained in the medium can be multi-component flavoring substances. For example, substances contained in the medium may include nicotine components, herbal components, and / or coffee components. Recently, various studies have been conducted on aerosol generating devices.

[0003] The aerosol generating device employs a blade-shaped or rod-shaped internal heater inserted into the aerosol generating substance to heat the aerosol generating substance, or a cylindrical external heater that contains the aerosol generating substance to heat the aerosol generating substance.

[0004] Because the heat generated by the conventional external heater is transferred to the outside of the heater, the internal temperature of the device may rise, the operation of sensors and other components installed in the device may become unstable, and the thermal efficiency may deteriorate. Summary of the Invention

[0005] Technical issues

[0006] The purpose of this disclosure is to address the above and other issues.

[0007] Another object of this disclosure is to provide an aerosol generating apparatus including a heater assembly configured such that a thin-film type support and a conductive pattern disposed on a sheet are rolled together with the sheet.

[0008] Another object of this disclosure is to provide an aerosol generating apparatus including a heater assembly configured such that a thin-film type support, a conductive pattern and a first heat insulation material disposed on a sheet are rolled together with the sheet.

[0009] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a first insulating body and a sheet together surround the outer side of a conductive pattern.

[0010] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a first insulating body is attached to a sheet by thermal fusion.

[0011] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which stepped portions formed when a sheet is rolled are arranged in a staggered manner.

[0012] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a thin-film type receiver can directly contact an inserted rod.

[0013] Another object of this disclosure is to provide an aerosol generating apparatus including a support capable of fixing the upper and lower ends of a heater assembly.

[0014] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a thermal diffuser is disposed between the receiver and the conductive track and / or outside the conductive track.

[0015] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a thermal diffuser contacts a conductive track surface.

[0016] Another object of this disclosure is to provide an aerosol generating apparatus in which the thermal diffuser includes graphene.

[0017] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a sheet is repeatedly wrapped around the outer side of a conductive pattern.

[0018] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a second insulating body surrounds the outer side of a conductive pattern.

[0019] Another object of this disclosure is to provide an aerosol generating apparatus having a structure in which a second insulating body surrounds the outer side of a conductive pattern multiple times.

[0020] Another object of this disclosure is to provide an aerosol generating apparatus having a second insulating body comprising a plurality of holes formed in a sheet and wherein the plurality of holes do not overlap with each other in the radial direction.

[0021] Another object of this disclosure is to provide an aerosol generating apparatus having a structure that seals a plurality of holes in a second insulation body from the outside by means of a sheet.

[0022] Technical solution

[0023] According to an aspect of this disclosure for achieving the above-mentioned objectives, an aerosol generating apparatus is provided, the aerosol generating apparatus comprising: a body; a power source mounted to the body; and a hollow heater assembly mounted to the body and providing an insertion space with an opening on one side, wherein the heater assembly comprises: a sheet formed as an elongation; a support; and a conductive track attached to the sheet and configured to generate heat in response to electricity received from the power source, and wherein the heater assembly is formed by rolling the sheet in the longitudinal direction of the sheet, with the support and the conductive track sequentially disposed on the sheet along the longitudinal direction of the sheet.

[0024] Beneficial effects

[0025] According to at least one embodiment of the present disclosure, since the heater assembly is formed such that the thin-film type support and conductive pattern disposed on a sheet are rolled together with the sheet, the size of the device can be reduced.

[0026] According to at least one embodiment of the present disclosure, the manufacturing process of the heater assembly can be simplified because the heater assembly is formed such that the thin-film type support and conductive pattern disposed on a sheet are rolled together with the sheet.

[0027] According to at least one embodiment of the present disclosure, since the heater assembly is formed such that the thin-film type support, conductive pattern and first heat insulation body disposed on a sheet are rolled together with the sheet, the size of the device can be reduced.

[0028] According to at least one embodiment of the present disclosure, the manufacturing process of the heater assembly can be simplified because the heater assembly is formed such that the thin-film type support, conductive pattern and first heat insulation body disposed on a sheet are rolled together with the sheet.

[0029] According to at least one embodiment of this disclosure, since the first insulating body, together with the sheet, surrounds the outside of the conductive pattern, the heater assembly can be effectively sealed and heat release to the outside can be minimized.

[0030] According to at least one embodiment of this disclosure, the assembly structure of the heater assembly can be simplified because the first insulation is attached to the sheet by thermal fusion.

[0031] According to at least one embodiment of this disclosure, since the stepped portions formed when the sheet is rolled are staggered with each other, it is possible to prevent different degrees of deterioration of parts of the heater assembly.

[0032] According to at least one embodiment of this disclosure, since the stepped portions formed when the sheet is rolled are staggered with each other, the rod inserted into the heater assembly can be heated uniformly.

[0033] According to at least one embodiment of this disclosure, since the thin-film type support defines the insertion space and directly contacts the rod inserted into the insertion space, the heat transfer efficiency to the rod can be improved.

[0034] According to at least one embodiment of this disclosure, the rigidity of the heater assembly can be ensured because the supports at the upper and lower ends of the heater assembly can be fixed.

[0035] According to at least one embodiment of this disclosure, since the heat diffuser is disposed between the receiver and the conductive track and / or outside the conductive track, the heat generated by the conductive track can be uniformly diffused to the receiver and the insertion space due to the heat diffuser.

[0036] According to at least one embodiment of this disclosure, since the heat diffuser is in contact with the surface of the conductive track, the efficiency of heat transfer from the conductive track to the heat diffuser can be improved.

[0037] According to at least one embodiment of this disclosure, the thermal diffusion rate can be increased because the thermal diffuser includes graphene.

[0038] According to at least one embodiment of this disclosure, the heater assembly can be effectively sealed and heat release to the outside can be minimized because the sheet wraps around the outside of the conductive pattern multiple times.

[0039] According to at least one embodiment of this disclosure, since the second insulation surrounds the outside of the conductive pattern, heat release to the outside can be minimized.

[0040] According to at least one embodiment of this disclosure, the insulation performance can be improved because the second insulation body surrounds the outer side of the conductive pattern multiple times.

[0041] According to at least one embodiment of the present disclosure, since the second insulation includes a plurality of holes formed in the sheet and the plurality of holes do not overlap with each other in the radial direction, the insulation performance can be improved and the heating efficiency of the heater assembly can be improved.

[0042] According to at least one embodiment of this disclosure, the heater assembly can be effectively sealed from the outside by sealing the plurality of holes in the second insulation body through the sheet, and the insulation performance can be improved.

[0043] Additional applications of this disclosure will become apparent from the following detailed description. However, since those skilled in the art will clearly understand the various changes and modifications within the spirit and scope of this disclosure, it should be understood that the detailed description and specific implementations (e.g., preferred embodiments of this disclosure) are given by way of example only. Attached Figure Description

[0044] Figure 1 and Figure 2 This is a view showing an aerosol generating apparatus according to an embodiment of the present disclosure.

[0045] Figure 3 This is a view showing a bar according to an embodiment of the present disclosure.

[0046] Figure 4 This is a front perspective view of a heater assembly according to an embodiment of the present disclosure.

[0047] Figure 5 This is an exploded perspective view of a heater assembly according to an embodiment of the present disclosure.

[0048] Figure 6 This is a view showing the support of a heater assembly according to an embodiment of the present disclosure.

[0049] Figure 7 This is a view showing the conductive tracks of a heater assembly according to an embodiment of the present disclosure.

[0050] Figure 8 This is a view showing the first insulation element of a heater assembly according to an embodiment of the present disclosure.

[0051] Figures 9 to 12 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0052] Figure 13 and Figure 14 This is a view showing a bracket according to an embodiment of the present disclosure.

[0053] Figure 15 This is a cross-sectional view of a heater assembly according to an embodiment of the present disclosure.

[0054] Figure 16 This is a cross-sectional view showing the stepped spacing structure of a heater assembly according to an embodiment of the present disclosure.

[0055] Figure 17 This is an exploded perspective view of a heater assembly according to an embodiment of the present disclosure.

[0056] Figure 18 This is a view showing the thermal diffuser of a heater assembly according to an embodiment of the present disclosure.

[0057] Figures 19 to 25 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0058] Figure 26 This is a cross-sectional view of a heater assembly according to an embodiment of the present disclosure.

[0059] Figures 27 to 30 This is a cross-sectional view showing the stepped spacing structure of a heater assembly according to an embodiment of the present disclosure.

[0060] Figure 31 This is an exploded perspective view of a heater assembly according to an embodiment of the present disclosure.

[0061] Figure 32 and Figure 33 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0062] Figures 34 to 36 This is a view showing the second insulation element of a heater assembly according to an embodiment of the present disclosure.

[0063] Figure 37 and Figure 38 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0064] Figure 39 This is a cross-sectional view of a heater assembly according to an embodiment of the present disclosure.

[0065] Figure 40 and Figure 41 This is a cross-sectional view showing the second insulation body of a heater assembly according to an embodiment of the present disclosure.

[0066] Figure 42 This is a block diagram of an aerosol generating apparatus according to an embodiment of the present disclosure. Detailed Implementation

[0067] The embodiments disclosed in this specification will be described in detail below with reference to the accompanying drawings. Even if the same or similar elements are depicted in different drawings, they will be indicated by the same reference numerals, and repeated descriptions will be omitted.

[0068] In the following description, the suffixes “module” and “unit” are used for ease of explanation only and do not have any distinguishing meaning or function.

[0069] Furthermore, in the following description of the embodiments disclosed in this specification, detailed descriptions of known functions and configurations incorporated herein will be omitted where such descriptions might make the subject matter of the embodiments considerably unclear. Moreover, the accompanying drawings are provided only for a better understanding of the embodiments disclosed in this specification and are not intended to limit the technical ideas disclosed herein. Therefore, it should be understood that the drawings include all modifications, equivalents, and substitutions within the scope and spirit of this disclosure.

[0070] It should be understood that although the terms "first," "second," etc., may be used in this document to describe various components, these components should not be limited by these terms. These terms are only used to distinguish one component from another.

[0071] It should be understood that when a component is referred to as "connected to" or "attached to" another component, it can be directly connected to or attached to the other component, or there may be intermediate components. On the other hand, when a component is referred to as "directly connected to" or "directly attached to" another component, there are no intermediate components.

[0072] As used in this article, the singular form is also intended to include the plural form, unless the context clearly indicates otherwise.

[0073] Figure 1 and Figure 2This is a view showing an aerosol generating apparatus 1 according to an embodiment of the present disclosure.

[0074] refer to Figure 1 and Figure 2 The aerosol generating apparatus 1 according to embodiments of the present disclosure may include at least one of a power supply 11, a controller 12, a sensor 13, or a heater 18. At least one of the power supply 11, controller 12, sensor 13, or heater 18 may be disposed within the body 10 of the aerosol generating apparatus. The body 10 may define a space having an open top to allow insertion of a rod S, which is an aerosol generating article. The space having the open top may be referred to as an insertion space 43. The insertion space 43 may be formed recessed toward the interior of the body 10 to a predetermined depth, such that the rod S is at least partially inserted therein. The depth of the insertion space 43 may correspond to the length of the portion of the rod S containing the aerosol generating substance and / or medium. The lower end of the rod S may be inserted into the body 10, and the upper end of the rod S may protrude outside the body 10. A user may inhale air while holding the exposed upper end of the rod S in their mouth.

[0075] Heater 18 can heat rod S. Heater 18 can be disposed around the space where rod S is inserted and can extend upward. For example, heater 18 can be formed in the shape of a tube including a cavity formed therein. Heater 18 can be disposed around insertion space 43. Heater 18 can be disposed around at least a portion of insertion space 43. Heater 18 can heat insertion space 43 or rod S inserted into insertion space 43. Heater 18 can include resistance heater and / or induction heater.

[0076] For example, refer to Figure 1 Heater 18 may be a resistance heater. For example, heater 18 may include a conductive rail and be heated when current flows through the conductive rail. Heater 18 may be electrically connected to power supply 11. Heater 18 may directly generate heat using current received from power supply 11.

[0077] For example, refer to Figure 2 The aerosol generating apparatus may include an induction coil 181 surrounding a heater 18. The induction coil 181 can cause the heater 18 to generate heat. The heater 18 can generate heat using a magnetic field generated by an alternating current flowing through the induction coil 181. The magnetic field can pass through the heater 18 to generate eddy currents in the heater 18. An electric current can cause the heater 18 to generate heat.

[0078] Meanwhile, a receiver can be included in the rod S, and the receiver in the rod S can generate heat using a magnetic field generated by the alternating current flowing through the induction coil 181.

[0079] Power source 11 can supply power to operate the components of the aerosol generating device. Power source 11 may be referred to as a battery. Power source 11 can supply power to at least one of controller 12, sensor 13, or heater 18. Power source 11 can supply power to induction coil 181.

[0080] The controller 12 can control the overall operation of the aerosol generating device. The controller can be mounted on a printed circuit board (PCB). The controller 12 can control the operation of at least one of the power supply 11, sensor 13, or heater 18. The controller 12 can control the operation of displays, motors, etc., installed in the aerosol generating device. The controller 12 can check the status of each component of the aerosol generating device and determine whether the aerosol generating device is in an operable state.

[0081] The controller 12 can analyze the detection results of the sensor 13 and control subsequent processing. For example, the controller 12 can control the power supplied to the heater 18 based on the detection results of the sensor 13, causing the operation of the heater 18 to start or stop. For example, the controller 12 can control the amount of power supplied to the heater 18 and the power supply time based on the detection results of the sensor 13, so that the heater 18 is heated to a predetermined temperature or maintained at an appropriate temperature.

[0082] Sensor 13 may include at least one of a temperature sensor, a suction sensor, or an insertion detection sensor. For example, sensor 13 may detect at least one of the temperature of heater 18, the temperature of power supply 11, or the internal / external temperature of body 10. For example, sensor 13 may detect user suction. For example, sensor 13 may detect whether rod S is inserted into insertion space 43.

[0083] Figure 3 This is a view showing a bar according to an embodiment of the present disclosure.

[0084] Reference Figure 3 The stick S may include an aerosol base 510. The stick S may include a medium portion 520. The aerosol base 510 and the medium portion 520 may be referred to as a tobacco stick. The stick S may include a cooling portion 530. The stick S may include a filter portion 540. The stick S may include a wrapping 550 surrounding the aerosol base 510, the medium portion 520, the cooling portion 530, and / or the filter portion 540. Figure 3 In this process, the package 550 may include separate packages surrounding the aerosol base 510, the medium portion 520, and the filter portion 540, respectively, and / or a shell surrounding the aerosol base 510, the medium portion 520, and the filter portion 540 surrounded by separate packages.

[0085] The aerosol base 510 can be a portion formed into a predetermined shape by including a humectant in the pulp base paper. The humectant (matrix material) included in the aerosol base 510 can include propylene glycol and glycerin. For example, the humectant in the aerosol base 510 can include propylene glycol and glycerin, with the propylene glycol and glycerin having a certain weight ratio relative to the weight of the base paper. When the rod S is inserted into the aerosol generating apparatus 1 and heated to a temperature above a predetermined level by the heater 18, humectant vapor can be generated from the aerosol base 510.

[0086] The medium section 520 may include at least one of sheet, strip, or pipe tobacco formed from tiny particles of shredded tobacco. The medium section 520 may be the part that generates nicotine to provide a smoking experience to the user. Nicotine vapor can be generated from the medium section 520 when the temperature of the medium contained in the medium section 520 rises to a predetermined temperature or higher. When the rod S is inserted into the aerosol generating device 1, at least a portion of the aerosol base 510 and at least a portion of the medium section 520 may face the heater 18. For example, a portion of the upstream or downstream side of the aerosol base 510 and a portion of the downstream or upstream side of the medium section 520 may face the heater 18.

[0087] The length of the portion of the medium section 520 facing the heater 18 can be greater than the length of the portion of the aerosol base 510 facing the heater 18. The length of the portion of the aerosol base 510 facing the heater 18 can be greater than or equal to half the total length of the aerosol base 510. The length of the portion of the medium section 520 facing the heater 18 can be greater than or equal to half the total length of the medium section 520.

[0088] The portions of the aerosol base 510 and the medium portion 520 facing the heater 18 can be heated by the heater 18. Because at least a portion of the aerosol base 510 containing the humectant is heated by the heater 18, humectant vapor can be generated. Because at least a portion of the medium portion 520 containing the medium is heated by the heater 18, nicotine vapor can be generated. When the rod S is configured to change the ratio of the length of the portion of the aerosol base 510 facing the heater 18 to the length of the portion of the medium portion 520 facing the heater 18, the ratio of the amount of humectant vapor generated to the amount of nicotine vapor generated can be appropriately adjusted.

[0089] In one embodiment, although the rod S is inserted into the aerosol generating apparatus 1, the medium portion 520 may not be directly heated by the heater 18. The medium portion 520 may be indirectly heated by conduction, convection, and radiation from the aerosol base 510 and the medium portion enclosure (or enclosure) surrounding the medium portion 520. After the aerosol base 510 is heated by the heater 18, the temperature of the medium portion 520 may be indirectly increased.

[0090] The cooling section 530 can be manufactured as a tubular filter containing a predetermined weight of plasticizer. Humectant vapor and nicotine vapor generated from the aerosol base 510 and the medium section 520 can be mixed together for atomization and cooled while passing through the cooling section 530. According to one embodiment, unlike the aerosol base 510, the medium section 520, and the filter section 540, the cooling section 530 may not be surrounded by a separate enclosure.

[0091] The filter section 540 can be a cellulose acetate filter. There are no limitations on the shape of the filter section 540. The filter section 540 can be a cylindrical rod or a tubular structure including a cavity formed therein. For example, when the filter section 540 is composed of multiple segments, at least one of the segments can be manufactured in a different shape. The filter section 540 can be manufactured to generate a fragrance. In one example, a flavoring agent can be sprayed into the filter section 540, or individual fibers coated with flavoring agent can be inserted into the filter section 540.

[0092] Additionally, the filter section 540 may include at least one capsule. Here, the capsule may perform the function of generating flavor. For example, the capsule may be a structure that encapsulates a liquid containing a flavoring agent with a membrane, and may be spherical or cylindrical. However, this disclosure is not limited thereto.

[0093] Figure 4 This is a front perspective view of a heater assembly according to an embodiment of the present disclosure. Figure 5 This is an exploded perspective view of a heater assembly according to an embodiment of the present disclosure. Figure 6 This is a view showing the support of a heater assembly according to an embodiment of the present disclosure. Figure 7 This is a view showing the conductive tracks of a heater assembly according to an embodiment of the present disclosure, and Figure 8 This is a view showing the first insulation element of a heater assembly according to an embodiment of the present disclosure.

[0094] Reference Figure 4 The heater 18 may include a heater assembly 30. The heater assembly 30 may be elongated. The heater assembly 30 may be tubular or cylindrical, including a cavity formed therein. The heater assembly 30 may be disposed within the body 10 of the aerosol generating apparatus 1. The heater assembly 30 may surround the insertion space 43 (see...). Figure 1 , Figure 2 , Figure 15 and Figure 16 The heater assembly 30 may provide an insertion space 43. The insertion space 43, or the rod S inserted into the insertion space 43, may be heated by the heater assembly 30. The heater assembly 30 may include a pair of leads 63a and 63b (see...). Figure 7Leads 63a and 63b protrude outwards and are electrically connected to power supply 11.

[0095] The heater 18 may include a pair of brackets 91 and 92. The pair of brackets 91 and 92 may be connected to the top and bottom of the heater assembly 30, respectively. The pair of brackets 91 and 92 may be connected to the heater assembly 30 to support the heater assembly 30.

[0096] Reference Figures 5 to 8 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a first insulation 70.

[0097] The receiver 50 may be a cylinder formed by rolling up a thin film of metal. The receiver 50 may be referred to as a heat conductor, heat conduction component, heat diffusion component, or tube. The receiver 50 may be made of stainless steel, aluminum, or an alloy, but is not limited thereto.

[0098] The thin-film metal sheet can have an elongated rectangular shape in one direction, such that its length L1 is greater than its width W1. The length and width of the thin-film metal sheet can be defined as the length and width of the support 50, respectively. The length L1 of the support 50 can be from 17.5 mm to 27.5 mm, and the width W1 of the support 50 can be from 10 mm to 20 mm. Preferably, the length L1 of the support 50 can be from 20 mm to 25 mm, and the width W1 of the support 50 can be from 12.5 mm to 17.5 mm. The support 50 can be cylindrical and can have a diameter D1 of 7 mm to 8 mm.

[0099] One end 51 of the receiver 50 may be spaced apart from the other end 52 of the receiver 50 in the circumferential direction of the receiver 50 or in the circumferential direction of the insertion space 43. A gap G1 may be formed between one end 51 and the other end 52 of the receiver. The width of the gap G1 may be less than 0.5 mm. As the width of the gap G1 increases, the area of ​​the portion of the rod S that is not heated due to the gap G1 can increase. Therefore, 0.5 mm may correspond to the upper limit width for generating aerosol above a predetermined minimum required amount from the rod S.

[0100] Therefore, when the support 50 is formed into a cylindrical shape by rolling the thin film sheet, it is possible to prevent the shape of the support 50 from being deformed due to errors in the assembly process or the support 50 from partially overlapping.

[0101] The conductive track 60 can be roll-formed cylindrical. The conductive track 60 can be formed by laser etching a thin metal film. The conductive track 60 can generate heat when receiving power from the power source 11. The conductive track 60 can be referred to as a heating element. The resistance value of the conductive track 60 can be from 1.0 ohms to 1.2 ohms.

[0102] The conductive track 60 can be made of stainless steel, aluminum or alloy, but is not limited to these.

[0103] The conductive track 60 may have an elongated rectangular shape in one direction, such that its length L2 is greater than its width W2. The length L2 of the conductive track 60 may be from 18 mm to 28 mm, and the width W2 of the conductive track 60 may be from 10 mm to 20 mm. Preferably, the length L2 of the conductive track 60 may be from 20.5 mm to 25.5 mm, and the width W2 of the conductive track 60 may be from 12.5 mm to 17.5 mm.

[0104] The conductive track 60 may include a heating track 61 and a connecting portion 62. The heating track 61 may include one or more tracks (a first track 61a, a second track 61b, and a third track 61c). The first track 61a may be located at the outermost part of the conductive track 60 and may have an overall rectangular shape. The second track 61b may be located inside the first track 61a, and the third track 61c may be located inside the second track 61b.

[0105] Each of the first track 61a, the second track 61b, and the third track 61c may include at least one bend and may have a serpentine shape. The number of bends in the first track 61a may be less than the number of bends in the second track 61b. The number of bends in the second track 61b may be less than the number of bends in the third track 61c. The first track 61a, the second track 61b, and the third track 61c may be spaced apart from each other. One end of each of the first track 61a, the second track 61b, and the third track 61c may be connected to one end of each of the other tracks, and the other end of each of the first track 61a, the second track 61b, and the third track 61c may be connected to the other end of each of the other tracks. In other words, the first track 61a, the second track 61b, and the third track 61c may be connected in parallel with each other.

[0106] The width Wa of the first track 61a can be 0.5mm to 0.7mm. The width Wb of the second track 61b can be 0.6mm to 0.8mm. The width Wc of the third track 61c can be 0.65mm to 0.85mm. The gap G2 between the second track 61b and the first track 61a or the third track 61c can be 0.3mm to 0.4mm.

[0107] The width Wa of the first track 61a can be smaller than the width Wb of the second track 61b and the width Wc of the third track 61c. The width Wb of the second track 61b can be smaller than the width Wc of the third track 61c. The gap G2 between the second track 61b and the first track 61a or the third track 61c can be smaller than the width Wa of the first track 61a, the width Wb of the second track 61b, and the width Wc of the third track 61c.

[0108] The length of the first track 61a can be less than the length of the second track 61b and the length of the third track 61c.

[0109] Therefore, in the conductive track 60, the resistance deviation between the first track 61a located at the outermost part of the conductive track 60, the second track 61b located inside the first track 61a, and the third track 61c located inside the second track 61b can be reduced, and the deviation between the heat generated from each track can be reduced.

[0110] In addition, because the gap between the tracks is smaller than the width of the tracks, the heating area of ​​the conductive track 60 can be increased, and the insertion space 43 or the rod S inserted into the insertion space 43 can be heated evenly through the conductive track 60.

[0111] The connecting portion 62 can protrude outward from one side of the heating track 61. The connecting portion 62 can be integrally formed with the heating track 61. The connecting portion 62 may include a first connecting portion 62a and a second connecting portion 62b. The first connecting portion 62a can be connected to one end of each of the first track 61a, the second track 61b, and the third track 61c, and the second connecting portion 62b can be connected to the other end of each of the first track 61a, the second track 61b, and the third track 61c.

[0112] Lead 63 can be connected to connector 62. Lead 63 can extend in the direction in which connector 62 protrudes. Lead 63 can electrically connect connector 62 to power supply 11 or heater drive circuit (not shown). Lead 63 can be made of a material having a lower temperature coefficient of resistance (TCR) than conductive track 60. Lead 63 can be attached to connector 62 by soldering, but this disclosure is not limited thereto.

[0113] Therefore, the temperature change of the conductive track 60, which is obtained based on the change in resistance of the conductive track 60, can be accurately measured.

[0114] The first heat insulation element 70 may have a rolled cylindrical shape. The first heat insulation element 70 may be made of aerogel. The first heat insulation element 70 may be made of porous silicon, graphite sheets, etc.

[0115] The first heat insulation element 70 may have an elongated rectangular shape in one direction, such that its length L3 is greater than its width W3. The length L3 of the first heat insulation element 70 may be 60 mm to 120 mm, and the width W3 of the first heat insulation element 70 may be 15 mm to 25 mm. Preferably, the length L3 of the first heat insulation element 70 may be 80 mm to 100 mm, and the width W3 of the first heat insulation element 70 may be 17.5 mm to 22.5 mm.

[0116] The sheet 40 may be elongated. The support 50, conductive track 60, and first insulation 70 may be attached to the sheet 40. The support 50, conductive track 60, and first insulation 70 may be rolled together with the sheet 40 in the longitudinal direction of the sheet 40. The sheet 40 may form multiple layers in the hollow heater assembly 30. At least one layer may be formed around the periphery of the support 50 outside the sheet 40, and at least one layer may be formed around the periphery of the conductive track 60 outside the sheet 40. The sheet 40 may form at least one layer around the periphery of the conductive track 60 together with the first insulation 70.

[0117] Sheet 40 may be a flexible sheet and may be formed from a heat-resistant material. Sheet 40 may include, but is not limited to, polyimide or polyetheretherketone (PEEK) and may include other materials with elasticity, heat resistance and electrical insulation.

[0118] The length L0 of the sheet 40 can be from 115 mm to 165 mm, and the width W0 of the sheet 40 can be from 15 mm to 25 mm. Preferably, the length L0 of the sheet 40 can be from 130 mm to 150 mm, and the width W0 of the sheet 40 can be from 17.5 mm to 22.5 mm. (Refer to...) Figure 8 and Figure 9 The features of the support 50 and the conductive track 60 disposed on the sheet 40 are described in detail.

[0119] Figures 9 to 12 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0120] Reference Figure 9 and Figure 10 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a first heat insulator 70. The support 50, the conductive track 60, and the first heat insulator 70 may be disposed on the sheet 40. The support 50, the conductive track 60, and the first heat insulator 70 may be arranged sequentially in the longitudinal direction of the sheet 40.

[0121] The support 50, conductive track 60, and first insulation 70 can be disposed on the same surface of the sheet 40. The sheet 40 can be an elongated sheet in one direction or the x-direction. The sheet 40 may include a flat first surface 41 and a second surface 42 formed opposite to the first surface 41 in its thickness direction. The support 50, conductive track 60, and first insulation 70 can be disposed on the first surface 41 of the sheet 40. The sheet 40 can be rolled such that the first surface 41 faces the central axis of the hollow heater assembly 30 or the insertion space 43 (see...). Figure 15 The heater assembly 30 can be formed by rolling the support 50, the conductive track 60 and the first insulation 70 together with the sheet 40.

[0122] When an elastic object rolls up, it may spring back. When an object deforms, it possesses properties that resist deformation. Springback can be defined as the phenomenon that occurs due to a restoring force resisting deformation. When the support 50, conductive track 60, and first heat insulator 70 are disposed on the same surface of the sheet 40, less springback may occur compared to when the support 50, conductive track 60, and first heat insulator 70 are disposed on different surfaces of the sheet 40.

[0123] Therefore, springback that occurs during the assembly of the hollow heater assembly 30 can be reduced, thereby reducing defects in the heater assembly.

[0124] The support 50 can be disposed adjacent to one end of the sheet 40 in the longitudinal direction. One end 51 of the support 50 can be aligned parallel to one end of the sheet 40. The support 50 can be spaced apart from the conductive track 60. For example, the conductive track 60 can be spaced apart from the support 50 in the longitudinal direction of the sheet 40. One end 64 of the conductive track 60 can be spaced apart from the other end 52 of the sheet 40 by a predetermined distance A1. The upper end 53 of the support 50 can be aligned with the upper end 66 of the conductive track 60. The lower end 54 of the support 50 can be aligned with the lower end 67 of the conductive track 60.

[0125] The width W0 of the sheet 40 can be greater than the width W1 of the support 50 and the width W2 of the conductive track 60. The support 50 and the conductive track 60 can be positioned closer to the upper end of the sheet 40 than the lower end of the sheet 40 in the width direction or the y-direction. The distance A2 between the upper end 53 of the support 50 and / or the upper end 66 of the conductive track 60 and the upper end of the sheet 40 can be less than the distance A3 between the lower end 54 of the support 50 and / or the lower end 67 of the conductive track 60 and the lower end of the sheet 40.

[0126] The distance A1 between the support 50 and the conductive track 60 in the longitudinal direction of the sheet 40 can be less than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. The support 50 and the conductive track 60 can be electrically insulated from each other by the sheet 40. As the distance A1 between the support 50 and the conductive track 60 increases, the number of layers of the sheet 40 disposed between the support 50 and the conductive track 60 in the hollow heater assembly 30 can increase, or the area of ​​the sheet 40 can increase. When the distance A1 between the support 50 and the conductive track 60 is less than the length L2 of the conductive track 60, the number of layers of the sheet 40 disposed between the support 50 and the conductive track 60 can be two or less.

[0127] Therefore, the heat generated from the conductive track 60 can be transferred to the receiver 50 more effectively.

[0128] In the longitudinal direction of sheet 40, the length L2 of conductive track 60 can be greater than the length L1 of support 50. In hollow heater assembly 30, conductive track 60 can surround support 50 on the outside. Because the length L2 of conductive track 60 is greater than the length L1 of support 50, the area of ​​the portion of conductive track 60 surrounding support 50 can be increased.

[0129] Therefore, the heat transfer area from the conductive track 60 to the receiver 50 can be increased, and the insertion space 43 or the rod S in the insertion space 43 can be heated more uniformly through the receiver 50 and the conductive track 60. In addition, since the area of ​​the conductive track 60 is increased, the design freedom of the track shape can be increased.

[0130] The first heat insulator 70 can be configured to be spaced apart from the conductive track 60 in the longitudinal direction of the sheet 40. One end 71 of the first heat insulator 70 can be spaced apart from the other end 65 of the conductive track 60 by a predetermined distance. The width W3 of the first heat insulator 70 can be greater than the width W1 of the support 50 and the width W2 of the conductive track 60. The upper end 73 of the first heat insulator 70 can be aligned with the upper end of the sheet 40 in the width direction of the sheet 40. The lower end 74 of the first heat insulator 70 can be aligned with the lower end of the sheet 40. In other words, the width of the first heat insulator 70 can be equal to the width W0 of the sheet 40.

[0131] The sheet 40 may include a first portion 40a, a second portion 40b, a third portion 40c, a fourth portion 40d, and a fifth portion 40e. A support 50 may be disposed on the first portion 40a. A conductive track 60 may be disposed on the second portion 40b. A first heat insulator 70 may be disposed on the fourth portion 40d. The third portion 40c may be disposed between the first portion 40a and the second portion 40b in the longitudinal direction of the sheet 40, and may be connected to the first portion 40a and the second portion 40b. The fifth portion 40e may be disposed between the second portion 40b and the fourth portion 40d in the longitudinal direction of the sheet 40, and may be connected to the second portion 40b and the fourth portion 40d. The sheet 40 may be rolled from one end of the first portion 40a toward one end of the fourth portion 40d. In the hollow heater assembly 30, the second portion 40b may be disposed outside the first portion 40a, and the fourth portion 40d may be disposed outside the second portion 40b.

[0132] The first heat insulation element 70 can be attached to the sheet 40 by thermal fusion. The first heat insulation element 70 can be disposed on the first surface 41 of the fourth portion 40d of the sheet 40. The first heat insulation element 70 can be attached to the sheet 40 by heating the sheet 40 and the first heat insulation element 70 to a predetermined temperature or higher.

[0133] The support 50 and the conductive track 60 can be thermally fused to the sheet 40. The support 50 and the conductive track 60 can be respectively disposed on the first surface 41 of the first portion 40a and the second portion 40b of the sheet 40. The support 50 and the conductive track 60 can be attached to the sheet 40 by heating the sheet 40, the support 50, and the conductive track 60 to a predetermined temperature or higher. The first heat insulator 70 can be attached to the sheet 40 first, and then the support 50 and the conductive track 60 can be attached to the sheet 40. However, the support 50, the conductive track 60, and the first heat insulator 70 can also be attached to the sheet 40 simultaneously.

[0134] Therefore, the assembly structure of the heater assembly can be simplified.

[0135] The thickness T1 of the support 50 can be from 0.01 mm to 0.03 mm. The thickness T2 of the conductive track 60 can be from 0.03 mm to 0.05 mm. The thickness T3 of the first insulation 70 can be from 0.07 mm to 0.09 mm. The thickness T0 of the sheet 40 can be from 0.015 mm to 0.035 mm. The thickness T2 of the conductive track 60 can be greater than the thickness T0 of the sheet 40 and the thickness T1 of the support 50. The thickness T0 of the sheet 40 can be greater than the thickness T1 of the support 50. The thin-film support 50, the conductive track 60, and the first insulation 70 can be rolled together with a thin sheet 40 to form a hollow heater assembly 30.

[0136] Therefore, the size of the hollow heater assembly 30 can be reduced, resulting in a reduction in the size of the aerosol generating device 1. Furthermore, the manufacturing process of the heater assembly 30 can be simplified, and its manufacturing cost can be reduced.

[0137] Furthermore, since the thickness T0 of the sheet 40 is greater than the thickness T1 of the support 50, a short circuit between the support 50 and the conductive track 60 can be prevented. Additionally, because the thickness T2 of the conductive track 60 is greater than the thickness T1 of the support 50, the conductive track 60 can stably support the outer side of the support 50 and provide more heat to the support 50.

[0138] The thickness T3 of the first heat insulator 70 can be greater than the thickness T0 of the sheet 40, the thickness T1 of the support 50, and the thickness T2 of the conductive track 60. The thickness T3 of the first heat insulator 70 can be at least 3 times the thickness T0 of the sheet 40. The thickness T3 of the first heat insulator 70 can be at least 3.5 times the thickness T1 of the support 50. The thickness T3 of the first heat insulator 70 can be at least 4 times the thickness T2 of the conductive track 60.

[0139] Because the thickness T3 of the first insulation 70 is greater than the thickness T2 of the conductive track 60, the thickness T1 of the receiver 50 and the thickness T0 of the sheet 40, the release of heat generated by the conductive track 60 to the outside of the heater assembly 30 can be reduced, and more heat can be provided to the receiver 50.

[0140] Reference Figure 11 and Figure 12 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a first heat insulator 70. The support 50, the conductive track 60, and the first heat insulator 70 may be disposed on the sheet 40.

[0141] The support 50 and the conductive track 60 can be disposed on the same surface of the sheet 40. The first heat insulator 70 can be disposed on a different surface from the support 50 and the conductive track 60. The support 50 and the conductive track 60 can be disposed on a first surface 41 of the sheet 40. The first heat insulator 70 can be disposed on a second surface 42 of the sheet 40. The sheet 40 can be rolled such that the first surface 41 faces the central axis of the hollow heater assembly 30 or the insertion space 43.

[0142] The support 50 can be disposed adjacent to one end of the sheet 40 in the longitudinal direction. One end 51 of the support 50 can be aligned parallel to one end of the sheet 40. The conductive track 60 and the first heat insulator 70 can be disposed spaced apart from the support 50 in the longitudinal direction of the sheet 40. In the longitudinal direction of the sheet 40, the distance between the conductive track 60 and the support 50 can be different from the distance between the first heat insulator 70 and the support 50.

[0143] In the longitudinal direction of the sheet 40, one end 71 of the first heat insulator 70 can be spaced apart from one end 64 of the conductive track 60. In the longitudinal direction of the sheet 40, one end 71 of the first heat insulator 70 can be disposed between one end 64 and the other end 65 of the conductive track 60. In the longitudinal direction of the sheet 40, one end 71 and the other end 72 of the first heat insulator 70 can be offset from one end 64 and the other end 65 of the conductive track 60.

[0144] One end 71 of the first heat insulator 70 can be spaced apart from one end 64 of the conductive track 60 by a predetermined distance A4. In the longitudinal direction of the sheet 40, the distance A4 between one end 71 of the first heat insulator 70 and one end 64 of the conductive track 60 can be less than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40.

[0145] The width W3 of the first heat insulator 70 can be greater than the width W1 of the support 50 and the width W2 of the conductive track 60. The upper end of the first heat insulator 70 can be aligned with the upper end of the sheet 40. The lower end of the first heat insulator 70 can be aligned with the lower end of the sheet 40. The width of the first heat insulator 70 can be equal to the width W0 of the sheet 40.

[0146] Figure 13 and Figure 14 This is a view showing a bracket according to an embodiment of the present disclosure.

[0147] Reference Figure 13 as well as Figure 4 and Figure 5 The heater assembly 30 can be combined with brackets 91 and 92. The first bracket 91 can be attached or coupled to the upper side of the heater assembly 30 corresponding to the opening of the insertion space 43. The first bracket 91 may include a first bracket body 911, a first flange 912, an insertion hole 913, and an alignment recess 914.

[0148] The first support body 911 may be cylindrical. The outer diameter D2 of the first support body 911 may be equal to or greater than the diameter of the upper end of the heater assembly 30. The first support body 911 may extend in the circumferential direction. The first support body 911 may be attached to or pressed into the upper end of the heater assembly 30. The first flange 912 may protrude radially outward from the upper end of the first support body 911. The first flange 912 may extend in the circumferential direction. The first flange 912 may surround the upper end of the first support body 911. The insertion hole 913 may be formed to penetrate the central portion of the first support 91 in the vertical direction. The boundary between the first flange 912 and the first support body 911 may have a convex-bending shape from the inner circumferential surface of the first support body 911 to the upper surface of the first flange 912. The alignment recess 914 may be formed by pressing one side of the first flange 912 in the radially inward direction. The alignment recess 914 may have a shape corresponding to the protrusion formed on the body 10. The alignment recess 914 can be engaged with a protrusion formed on the body 10. Due to the alignment recess 914, the heater assembly 30 can be prevented from rotating within the body 10 and can be stably engaged with the body 10. The first support 91 can be made of stainless steel, aluminum, or an alloy, but is not limited thereto.

[0149] refer to Figure 14 as well as Figure 4 and Figure 5 The second bracket 92 may be attached or connected to the lower side of the heater assembly 30. The second bracket 92 may include a second bracket body 921, a second flange 922, and a hole 924.

[0150] The second support body 921 may be cylindrical. The outer diameter of the second support body 921 may be equal to or greater than the diameter of the lower end of the heater assembly 30, and the inner diameter D3 of the second support body 921 may be smaller than the diameter of the lower end of the heater assembly 30. The second support body 921 may extend circumferentially. The second support body 921 may be attached to or pressed into the lower end of the heater assembly 30. A second flange 922 may protrude radially outward from the lower end of the second support body 921. The second flange 922 may extend circumferentially. The second flange 922 may surround the lower end of the second support body 921. A hole 924 may be formed to penetrate the central portion of the second support 92 in the vertical direction. The second support 92 may be made of polyetheretherketone (PEEK), but is not limited thereto.

[0151] The first bracket 91 and the second bracket 92 can respectively support the upper and lower ends of the heater assembly 30. The upper end of the heater assembly 30 can be fixed to or supported by the first bracket 91. The lower end of the heater assembly 30 can be fixed to or supported by the second bracket 92.

[0152] Therefore, the support 50, the conductive track 60 and the sheet 40 can be stably fixed at both ends of the heater assembly 30, which is formed in a roll shape, thereby ensuring the rigidity of the heater assembly 30.

[0153] Figure 15 This is a cross-sectional view of a heater assembly according to an embodiment of the present disclosure. Figure 16 This is a cross-sectional view showing the stepped spacing structure of a heater assembly according to an embodiment of the present disclosure. Figure 15 It shows along Figure 4 The cross-section of the heater assembly is cut by line AA, and Figure 16 It shows along Figure 4 The cross-section of the heater assembly is cut by line BB.

[0154] refer to Figure 15 The support 50 may be located at the innermost part of the hollow heater assembly 30. An insertion space 43 may be disposed inside the support 50. The support 50 may define at least a portion of the insertion space 43. The support 50 may surround at least a portion of the insertion space 43. The inner peripheral surface of the support 50 may be exposed to the insertion space 43. The support 50 may face the rod S inserted into the insertion space 43. At least a portion of the inner peripheral surface of the support 50 may contact the outer peripheral surface of the rod S inserted into the insertion space 43.

[0155] Therefore, the thin-film type support defines at least a portion of the insertion space and is in direct contact with the rod inserted into the insertion space, thereby improving the efficiency of heat transfer to the rod.

[0156] The support 50 and the conductive track 60 can be spaced apart from the upper and lower ends of the sheet 40. In the hollow heater assembly 30, the upper and lower ends of the first portion 40a and the second portion 40b can contact each other. The conductive track 60 can be externally sealed through a structure in which the upper and lower ends of the first portion 40a and the second portion 40b are in contact with each other, and the first portion 40a, the second portion 40b, the third portion 40c, the fourth portion 40d, and the fifth portion 40e are rolled together.

[0157] In the longitudinal direction of the insertion space 43 or in the width direction of the sheet 40, the upper end 73 of the first heat insulation body 70 can be aligned with the upper end of the sheet 40, and the lower end 74 of the first heat insulation body 70 can be aligned with the lower end of the sheet 40. In the longitudinal direction of the insertion space 43 or in the width direction of the sheet 40, the receiver 50 and the conductive track 60 can be covered by the first heat insulation body 70.

[0158] The hollow heater assembly 30 can be combined with supports 91 and 92. Supports 91 and 92 can be coupled to or press-fitted into the heater assembly 30. In the combined state of the hollow heater assembly 30 and supports 91 and 92, the heater assembly 30 and supports 91 and 92 can be heated to a predetermined temperature or a higher temperature.

[0159] Therefore, the heater assembly can be sealed from the outside, and the heat generated from the conductive pattern can be minimized from the outside of the heater assembly.

[0160] The insertion hole 913 in the first bracket 91 can communicate with the upper side of the insertion space 43. The hole 924 in the second bracket 92 can communicate with the lower side of the insertion space 43. The rod S can be inserted into the insertion space 43 through the insertion hole 913. External air can flow into the rod S from the outside of the heater assembly 30 through the end of the rod S and through the hole 924. The inner peripheral surface of the first bracket body 911 can support at least a portion of the outer peripheral surface of the rod S inserted into the insertion space 43. The upper surface 923 of the second bracket body 921 can support at least a portion of the lower end of the rod S inserted into the insertion space 43. The first bracket 91 and the second bracket 92 can be spaced apart from the receiver 50 in the longitudinal direction of the insertion space 43. In the longitudinal direction of the insertion space 43, the lower end of the first bracket body 911 can be spaced apart from the upper end 53 of the receiver 50, and the upper end of the second bracket body 921 can be spaced apart from the lower end 54 of the receiver 50.

[0161] A rod detection sensor 133 may be disposed in the heater assembly 30. The rod detection sensor 133 can detect the insertion and / or removal of the rod S. For example, the rod detection sensor 133 may be an inductive sensor and / or a capacitive sensor. The rod detection sensor 133 may be disposed adjacent to the lower end of the insertion space 43. The rod detection sensor 133 may be disposed around at least a portion of the lower side of the heater assembly 30. The rod detection sensor 133 may be disposed in contact with and around the fourth portion 40d or the outermost layer of the sheet 40. The rod detection sensor 133 may be disposed below the receiver 50 and the conductive track 60 in the longitudinal direction of the insertion space 43. The rod detection sensor 133 may be spaced apart from the receiver 50 and the conductive track 60 in the longitudinal direction of the insertion space 43.

[0162] Therefore, the transfer of heat generated by the support 50 and the conductive track 60 to the rod detection sensor 133 can be minimized. Additionally, the detection accuracy of the rod detection sensor 133 for the rod S can be improved.

[0163] Combination Figure 12 refer to Figure 16The heater assembly 30 may include layers formed from the insertion space 43 in a radially outward direction in the order of a support 50, a first portion 40a and / or a third portion 40c of a sheet 40, a conductive track 60, a first insulating body 70, and a fourth portion 40d.

[0164] At least a portion of the sheet 40 may be disposed between the receiver 50 and the conductive track 60, and at least one layer may be formed between the receiver 50 and the conductive track 60. For example, a first portion 40a may contact the receiver 50 and may surround the outside of the receiver 50. At least a portion of the sheet 40 may be disposed outside the conductive track 60, and at least one layer may be formed outside the conductive track 60. For example, a second portion 40b may contact the conductive track 60 and may surround the outside of the conductive track 60.

[0165] The first heat insulation element 70 can be disposed outside the conductive track 60, and at least one layer can be formed on the outside of the conductive track 60. In the heater assembly 30, the layer formed by the sheet 40 and the layer formed by the first heat insulation element 70 can be alternately disposed outside the conductive track 60 in the radial direction of the insertion space 43.

[0166] The length of the fourth portion 40d or the first insulation 70 defined in the longitudinal direction of the sheet 40 (refer to...) Figure 9 and Figure 11 The length of the fourth portion 40d or the first insulating material 70 can be greater than the length L2 of the conductive track 60. For example, the length of the fourth portion 40d or the first insulating material 70 can be 3 to 5 times the length L2 of the conductive track 60. The fourth portion 40d and the first insulating material 70 can wrap around the outer side of the second portion 40b and the conductive track 60 three to five times. The fourth portion 40d and the first insulating material 70 can form at least one layer around the outer side of the second portion 40b and the conductive track 60.

[0167] Therefore, since the first insulating body 70 and the sheet 40 are alternately formed in multiple layers outside the conductive track 60, the release of heat generated by the conductive track 60 to the outside of the heater assembly 30 can be minimized.

[0168] In a structure where a sheet 40 is rolled to form multiple layers, a step can be formed at the connection between one layer and another. For example, the heater assembly 30 may have a step formed at the position where the conductive track 60 is disposed at one end 64 and the other end 65 in the longitudinal direction. The heater assembly 30 may also have a step formed at the position where the conductive track 60 is disposed at one end 64 and the other end 65 in the circumferential direction of the insertion space 43. This step may be referred to as a first step portion SP1. For example, a gap G1 (see reference) may be formed in the circumferential direction of the insertion space 43 between one end 51 and the other end 52 of the receiver 50. Figure 5and Figure 6 Furthermore, the heater assembly 30 may have a step formed at the location where a gap G1 is formed in the circumferential direction of the insertion space 43. This step may be referred to as a third step portion SP3. For example, a step may be formed at the location where one end 71 and / or the other end 72 of the first insulation body 70 is disposed in the circumferential direction of the insertion space 43. This step may be referred to as a second step portion SP2.

[0169] At least two of the first step portion SP1, the second step portion SP2, and the third step portion SP3 may be configured to be offset from each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30. At least two of the first step portion SP1, the second step portion SP2, and the third step portion SP3 may not overlap with each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30.

[0170] The first step portion SP1 can be spaced apart from the gap G1 or the third step portion SP3 by a predetermined angle, and the second step portion SP2 can also be spaced apart from the gap G1 or the third step portion SP3 by a predetermined angle. For example, the angle c1 formed between the first step portion SP1 and the gap G1 or the third step portion SP3 relative to the center O or central axis of the heater assembly 30 can be 80 degrees to 100 degrees. Preferably, the angle c1 formed between the first step portion SP1 and the gap G1 or the third step portion SP3 can be about 90 degrees. For example, the angle c2 formed between the second step portion SP2 and the gap G1 or the third step portion SP3 relative to the center O or central axis of the heater assembly 30 can be 160 degrees to 200 degrees. Preferably, the angle c2 formed between the second step portion SP2 and the gap G1 or the third step portion SP3 can be about 180 degrees.

[0171] The distance between the first heat insulator 70 and the conductive track 60 on the flat sheet 40 can be in the range of 0.23 to 0.28 times the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. Preferably, the distance between the first heat insulator 70 and the conductive track 60 can be about 0.25 times the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40.

[0172] Compared to other parts surrounding the insertion space 43, heat may be unevenly transferred from the first step SP1 to the third step SP3 to the insertion space 43. With repeated use of the aerosol generating device 1, the degree of degradation of the first step SP1 to the third step SP3 may differ from the degree of degradation of other parts surrounding the insertion space 43. If at least two of the first step SP1 to the third step SP3 are arranged overlapping each other, the degree of degradation of the corresponding part may be significantly different from that of the other parts. Furthermore, a specific portion of the rod S inserted into the insertion space 43 may not be properly heated, and that portion may be more susceptible to external impacts than other portions.

[0173] The first step SP1, the second step SP2, and the third step SP3 can be arranged to be spaced 90 degrees apart from each other relative to the insertion space 43. Because the steps SP1, SP2, and SP3 are symmetrically arranged, uneven deterioration of the components of the heater assembly 30 can be effectively prevented, and the rod S inserted into the insertion space 43 can be heated uniformly. Furthermore, damage to the heater assembly 30 due to external impacts can be minimized.

[0174] Figure 17 This is an exploded perspective view of a heater assembly according to an embodiment of the present disclosure, and Figure 18 This is a view showing the heat diffuser of a heater assembly according to an embodiment of the present disclosure. (The remaining text is omitted.) Figures 5 to 8 The components shown are the same as those in the original document. (Detailed description of the components is also provided.)

[0175] Reference Figure 17 and Figure 18 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a heat diffuser 80.

[0176] The heat diffuser 80 can have a rolled cylindrical shape. The heat diffuser 80 can be made of graphene. The heat diffuser 80 can be made of carbonaceous materials such as carbon nanotubes. Graphene and carbon nanotubes have high thermal conductivity. Therefore, the heat diffuser 80, including graphene and / or carbon nanotubes, can rapidly dissipate heat. Furthermore, graphene and carbon nanotubes are lightweight and highly flexible, thus making the manufacture of the heater assembly 30 easier.

[0177] The heat diffuser 80 may have an elongated rectangular shape in one direction, such that its length L4 is greater than its width W4. The length L4 of the heat diffuser 80 may be from 20 mm to 60 mm, and the width W4 of the heat diffuser 80 may be from 17.5 mm to 22.5 mm.

[0178] The heat diffuser 80 may be included in the sheet 40 (see reference). Figure 20 and Figure 25The heat diffuser 80 may be included in a predetermined region of the sheet 40. The heat diffuser 80 may be integrally formed with the sheet 40. The heat diffuser 80 may be defined as a region of the sheet 40 containing a carbonaceous material such as graphene.

[0179] The heat diffuser 80 can be attached to the sheet 40, or to one of the receiver 50 and the conductive track 60 (see [link]). Figure 21 and Figure 23 For example, a heat diffuser 80 may be disposed on one surface of the sheet 40, and at least one of the support 50 or the conductive track 60 may be disposed on the heat diffuser 80. For example, the heat diffuser 80 may be disposed on one surface of at least one of the support 50 or the conductive track 60. The heat diffuser 80 may be a flat sheet comprising a carbonaceous material such as graphene.

[0180] Figures 19 to 25 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0181] Reference Figures 19 to 21 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a heat diffuser 80. The support 50 and the conductive track 60 may be disposed on the sheet 40. The heat diffuser 80 may be disposed on the sheet 40 or may be included within the sheet 40. The support 50 and the conductive track 60 may be sequentially arranged in the longitudinal direction of the sheet 40. The heat diffuser 80 may be arranged to overlap with at least one of the support 50 or the conductive track 60 in the thickness direction of the sheet 40.

[0182] The support 50 and the conductive track 60 can be disposed on the same surface of the sheet 40. The sheet 40 can be an elongated sheet in one direction or the x-direction. The sheet 40 may include a flat first surface 41 and a second surface 42 formed opposite to the first surface 41 in its thickness direction. The support 50 and the conductive track 60 can be disposed on the first surface 41 of the sheet 40. The sheet 40 can be rolled such that the first surface 41 faces the central axis of the hollow heater assembly 30 or the insertion space 43 (see...). Figure 26 The heater assembly 30 can be formed by rolling the support 50 and the conductive track 60 together with the sheet 40.

[0183] When an elastic object rolls up, it may spring back. When an object deforms, it possesses properties that resist deformation. Springback can be defined as the phenomenon that occurs due to a restoring force resisting deformation. When the support 50 and the conductive track 60 are disposed on the same surface of the sheet 40, less springback may occur compared to when the support 50 and the conductive track 60 are disposed on different surfaces of the sheet 40.

[0184] Therefore, springback that occurs during the assembly of the hollow heater assembly 30 can be reduced, thereby reducing defects in the heater assembly.

[0185] The support 50 can be disposed adjacent to one end of the sheet 40 in the longitudinal direction. One end 51 of the support 50 can be aligned parallel to one end of the sheet 40. The support 50 can be spaced apart from the conductive track 60. For example, the conductive track 60 can be spaced apart from the support 50 in the longitudinal direction of the sheet 40. One end 64 of the conductive track 60 can be spaced apart from the other end 52 of the support 50 by a predetermined distance A1. The upper end 53 of the support 50 can be aligned with the upper end 66 of the conductive track 60. The lower end 54 of the support 50 can be aligned with the lower end 67 of the conductive track 60.

[0186] The width W0 of the sheet 40 can be greater than the width W1 of the support 50 and the width W2 of the conductive track 60. The support 50 and the conductive track 60 can be positioned closer to the upper end of the sheet 40 than the lower end of the sheet 40 in the width direction or the y-direction. The distance A2 between the upper end 53 of the support 50 and / or the upper end 66 of the conductive track 60 and the upper end of the sheet 40 can be less than the distance A3 between the lower end 54 of the support 50 and / or the lower end 67 of the conductive track 60 and the lower end of the sheet 40.

[0187] The distance A1 between the support 50 and the conductive track 60 in the longitudinal direction of the sheet 40 can be less than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. The support 50 and the conductive track 60 can be electrically insulated from each other by the sheet 40. As the distance A1 between the support 50 and the conductive track 60 increases, the number of layers of the sheet 40 disposed between the support 50 and the conductive track 60 in the hollow heater assembly 30 can increase, or the area of ​​the sheet 40 can increase. When the distance A1 between the support 50 and the conductive track 60 is less than the length L2 of the conductive track 60, the number of layers of the sheet 40 disposed between the support 50 and the conductive track 60 can be two or less.

[0188] Therefore, the heat generated from the conductive track 60 can be transferred to the receiver 50 more effectively.

[0189] In the longitudinal direction of sheet 40, the length L2 of conductive track 60 can be greater than the length L1 of support 50. In hollow heater assembly 30, conductive track 60 can surround support 50 on the outside. Because the length L2 of conductive track 60 is greater than the length L1 of support 50, the area of ​​the portion of conductive track 60 surrounding support 50 can be increased.

[0190] Therefore, the heat transfer area from the conductive track 60 to the support 50 can be increased, and the insertion space 43 or the rod S in the insertion space 43 can be heated more uniformly through the support 50 and the conductive track 60. In addition, due to the increased area of ​​the conductive track 60, the design freedom of the track shape can be increased.

[0191] The heat diffuser 80 may be configured to overlap with at least one of the support 50 or the conductive track 60 in the thickness direction or z-direction of the sheet 40. For example, the heat diffuser 80 may be configured to overlap with both the support 50 and the conductive track 60 in the thickness direction of the sheet 40. In the longitudinal direction of the sheet 40, one end 81 of the heat diffuser 80 may be aligned with one end of the sheet 40, and the other end 82 of the heat diffuser 80 may be aligned with or further away from one end of the sheet 40 than the other end 65 of the conductive track 60. The length L4 of the heat diffuser 80 defined in the longitudinal direction of the sheet 40 may be equal to or greater than the sum of the length L1 of the support 50 and the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40.

[0192] The width W4 of the heat diffuser 80 can be greater than or equal to the width W1 of the support 50 and the width W2 of the conductive track 60. The width W4 of the heat diffuser 80 can be less than or equal to the width W0 of the sheet 40. In the width direction of the sheet 40, the upper end 83 of the heat diffuser 80 can be aligned with the upper end 53 of the support 50, the upper end 66 of the conductive track 60, or the upper end of the sheet 40, or it can be disposed between the upper end 53 of the support 50 or the upper end 66 of the conductive track 60 and the upper end of the sheet 40. In the width direction of the sheet 40, the lower end 84 of the heat diffuser 80 can be aligned with the lower end 54 of the support 50, the lower end 67 of the conductive track 60, or the lower end of the sheet 40, or it can be disposed between the lower end 54 of the support 50 or the lower end 67 of the conductive track 60 and the lower end of the sheet 40.

[0193] The sheet 40 may include a first portion 40a, a second portion 40b, a third portion 40c, a fourth portion 40d, and a fifth portion 40e. A support 50 may be disposed on the first portion 40a. A conductive track 60 may be disposed on the second portion 40b. A heat diffuser 80 may be disposed on the fifth portion 40e. The third portion 40c may be disposed between the first portion 40a and the second portion 40b in the longitudinal direction of the sheet 40, and may be connected to the first portion 40a and the second portion 40b. The fourth portion 40d may be opposite to the third portion 40c in the longitudinal direction of the sheet 40 relative to the second portion 40b, and may be connected to the second portion 40b. The sheet 40 may be rolled from one end of the first portion 40a toward one end of the fourth portion 40d. In the hollow heater assembly 30, the second portion 40b may be disposed outside the first portion 40a, and the fourth portion 40d may be disposed outside the second portion 40b.

[0194] The support 50 and the conductive track 60 can be attached to the sheet 40 by thermal fusion. The support 50 and the conductive track 60 can be respectively disposed on the first surface 41 of the first portion 40a and the second portion 40b of the sheet 40. The support 50 and the conductive track 60 can be attached to the sheet 40 by heating the sheet 40, the support 50 and the conductive track 60 to a predetermined temperature or a higher temperature.

[0195] Therefore, the assembly structure of the heater assembly can be simplified.

[0196] The thickness T1 of the support 50 can be from 0.01 mm to 0.03 mm. The thickness T2 of the conductive track 60 can be from 0.03 mm to 0.05 mm. The thickness T0 of the sheet 40 can be from 0.015 mm to 0.035 mm. The thickness T4 of the heat diffuser 80 can be equal to or less than the thickness T0 of the sheet 40. The thickness T2 of the conductive track 60 can be greater than the thickness T0 of the sheet 40 and the thickness T1 of the support 50. The thickness T0 of the sheet 40 can be greater than the thickness T1 of the support 50. The thin-film support 50, the conductive track 60, and the heat diffuser 80 can be rolled together with a thin sheet 40 to form a hollow heater assembly 30.

[0197] Therefore, the size of the hollow heater assembly 30 can be reduced, resulting in a reduction in the size of the aerosol generating device 1. Furthermore, the manufacturing process of the heater assembly 30 can be simplified, and its manufacturing cost can be reduced.

[0198] Furthermore, since the thickness T0 of the sheet 40 is greater than the thickness T1 of the support 50, a short circuit between the support 50 and the conductive track 60 can be prevented. Additionally, because the thickness T2 of the conductive track 60 is greater than the thickness T1 of the support 50, the conductive track 60 can stably support the outer side of the support 50 and provide more heat to the support 50.

[0199] The thickness T4 of the heat diffuser 80 can be equal to or less than the thickness T0 of the sheet 40. Because the heat diffuser 80 includes carbonaceous materials such as graphene, it can easily diffuse the heat generated by the conductive tracks 60 even when formed thinner than the sheet 40. Furthermore, the rate at which heat is diffused by the heat diffuser 80 can be increased.

[0200] Combination Figure 19 refer to Figure 20 The heat diffuser 80 may be integrally formed with the sheet 40. The heat diffuser 80 may be included in the sheet 40. The heat diffuser 80 may be included in a predetermined region of the sheet 40. The heat diffuser 80 may be defined as a region of the sheet 40 containing a carbonaceous material such as graphene. The heat diffuser 80 may be exposed on a surface 41 of the sheet 40. The heat diffuser 80 may be in contact with at least one of the receiver 50 or the conductive track 60.

[0201] Combination Figure 19 refer to Figure 21 The heat diffuser 80 can be attached to the sheet 40. For example, the heat diffuser 80 can be disposed on one surface of the sheet 40, and at least one of the support 50 or the conductive track 60 can be disposed on the heat diffuser 80. The heat diffuser 80 can be a flat sheet comprising a carbonaceous material such as graphene.

[0202] The heat diffuser 80 can be attached to the sheet 40 by thermal fusion. The heat diffuser 80 can be disposed on the first surface 41 of the fifth portion 40e of the sheet 40. The heat diffuser 80 can be attached to the sheet 40 by heating the sheet 40 and the heat diffuser 80 to a predetermined temperature or higher.

[0203] The heat diffuser 80 can be attached to the sheet 40 first, and then the support 50 and the conductive track 60 can be attached to the sheet 40. However, the support 50, the conductive track 60 and the heat diffuser 80 can also be attached to the sheet 40 simultaneously.

[0204] refer to Figure 22 and Figure 23A heat diffuser 80 can be disposed on a conductive track 60. The support 50 and the conductive track 60 can be sequentially disposed in the longitudinal direction of the sheet 40. The heat diffuser 80 can be disposed to overlap the conductive track 60 in the thickness direction of the sheet 40. For example, the support 50 and the conductive track 60 can be disposed on a surface 41 of the sheet 40, and the heat diffuser 80 can be disposed to cover the conductive track 60. In the longitudinal direction of the sheet 40, one end 81 of the heat diffuser 80 can be aligned with one end 64 of the conductive track 60, or can be closer to the support 50 than one end 64 of the conductive track 60, and the other end 82 of the heat diffuser 80 can be aligned with the other end 65 of the conductive track 60, or can be farther away from the support 50 than the other end 65 of the conductive track 60. The length L4 of the heat diffuser 80 defined in the longitudinal direction of the sheet 40 can be equal to or greater than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40.

[0205] The heat diffuser 80 can be a flat sheet containing carbonaceous materials such as graphene. The heat diffuser 80 can be attached to the conductive track 60 by thermal fusion. The heat diffuser 80 can be configured to cover the conductive track 60. The heat diffuser 80 can be attached to the conductive track 60 by heating the conductive track 60 and the heat diffuser 80 to a predetermined temperature or higher.

[0206] The heat diffuser 80 can be attached first to the conductive track 60, and then the support 50 and the conductive track 60 can be attached to the sheet 40. Alternatively, after the support 50 and the conductive track 60 are attached to the sheet 40, the heat diffuser 80 can be attached to the conductive track 60. Alternatively, the support 50, the conductive track 60, and the heat diffuser 80 can also be attached to the sheet 40 simultaneously.

[0207] Reference Figure 24 and Figure 25 The heat diffuser 80 may be configured to overlap with the support 50 in the thickness direction of the sheet 40. For example, the heat diffuser 80 may be included in a predetermined region of the sheet 40, and the support 50 may be disposed on a surface 41 of the sheet 40 and may contact the heat diffuser 80. The support 50 may be configured to cover at least a portion of the heat diffuser 80. In the longitudinal direction of the sheet 40, one end 81 of the heat diffuser 80 may be aligned with one end 51 of the support 50, and the other end 82 of the heat diffuser 80 may be aligned with the other end 52 of the support 50, or may be configured to be closer to the conductive track 60 than the other end 52 of the support 50. The length L4 of the heat diffuser 80 defined in the longitudinal direction of the sheet 40 may be equal to or greater than the length L1 of the support 50 defined in the longitudinal direction of the sheet 40.

[0208] Figure 26This is a cross-sectional view of a heater assembly according to an embodiment of the present disclosure, and Figures 27 to 30 This is a cross-sectional view showing the stepped spacing structure of a heater assembly according to an embodiment of the present disclosure. Figure 26 It shows along Figure 4 The cross-section of the heater assembly is cut by line AA, and Figures 27 to 30 It shows along Figure 4 The cross-section of the heater assembly is cut by line BB.

[0209] refer to Figure 26 The support 50 may be located at the innermost part of the hollow heater assembly 30. An insertion space 43 may be disposed inside the support 50. The support 50 may define at least a portion of the insertion space 43. The support 50 may surround at least a portion of the insertion space 43. The inner peripheral surface of the support 50 may be exposed to the insertion space 43. The support 50 may face the rod S inserted into the insertion space 43. At least a portion of the inner peripheral surface of the support 50 may contact the outer peripheral surface of the rod S inserted into the insertion space 43.

[0210] Therefore, the thin-film type support defines at least a portion of the insertion space and is in direct contact with the rod inserted into the insertion space, thereby improving the efficiency of heat transfer to the rod.

[0211] The support 50 and the conductive track 60 can be spaced apart from the upper and lower ends of the sheet 40. In the hollow heater assembly 30, the upper and lower ends of the first portion 40a and the second portion 40b can contact each other. The conductive track 60 can be externally sealed through a structure in which the upper and lower ends of the first portion 40a and the second portion 40b are in contact with each other, and the first portion 40a, the second portion 40b, the third portion 40c, the fourth portion 40d, and the fifth portion 40e are rolled together.

[0212] In the longitudinal direction of the insertion space 43 or the width direction of the sheet 40, the upper end 83 of the heat diffuser 80 may be aligned with the upper end 53 of the support 50 or the upper end 66 of the conductive track 60, or may be located at a position higher than the upper end 53 of the support 50 or the upper end 66 of the conductive track 60. In the longitudinal direction of the insertion space 43 or the width direction of the sheet 40, the lower end 84 of the heat diffuser 80 may be aligned with the lower end 54 of the support 50 or the lower end 67 of the conductive track 60, or may be located at a position lower than the lower end 54 of the support 50 or the lower end 67 of the conductive track 60. In the longitudinal direction of the insertion space 43 or the width direction of the sheet 40, at least one of the support 50 or the conductive track 60 may be covered by the heat diffuser 80.

[0213] The hollow heater assembly 30 can be combined with supports 91 and 92. Supports 91 and 92 can be coupled to or press-fitted into the heater assembly 30. In the combined state of the hollow heater assembly 30 and supports 91 and 92, the heater assembly 30 and supports 91 and 92 can be heated to a predetermined temperature or a higher temperature.

[0214] Therefore, the heater assembly can be sealed from the outside, and the heat released from the conductive pattern to the outside of the heater assembly can be minimized.

[0215] The insertion hole 913 in the first bracket 91 can communicate with the upper side of the insertion space 43. The hole 924 in the second bracket 92 can communicate with the lower side of the insertion space 43. The rod S can be inserted into the insertion space 43 through the insertion hole 913. External air can flow into the rod S from the outside of the heater assembly 30 through the end of the rod S and through the hole 924. The inner peripheral surface of the first bracket body 911 can support at least a portion of the outer peripheral surface of the rod S inserted into the insertion space 43. The upper surface 923 of the second bracket body 921 can support at least a portion of the lower end of the rod S inserted into the insertion space 43. The first bracket 91 and the second bracket 92 can be spaced apart from the receiver 50 in the longitudinal direction of the insertion space 43. In the longitudinal direction of the insertion space 43, the lower end of the first bracket body 911 can be spaced apart from the upper end 53 of the receiver 50, and the upper end of the second bracket body 921 can be spaced apart from the lower end 54 of the receiver 50.

[0216] A rod detection sensor 133 may be disposed in the heater assembly 30. The rod detection sensor 133 can detect the insertion and / or removal of the rod S. For example, the rod detection sensor 133 may be an inductive sensor and / or a capacitive sensor. The rod detection sensor 133 may be disposed adjacent to the lower end of the insertion space 43. The rod detection sensor 133 may be disposed around at least a portion of the lower side of the heater assembly 30. The rod detection sensor 133 may be disposed in contact with and around the fourth portion 40d or the outermost layer of the sheet 40. The rod detection sensor 133 may be disposed below the receiver 50 and the conductive track 60 in the longitudinal direction of the insertion space 43. The rod detection sensor 133 may be spaced apart from the receiver 50 and the conductive track 60 in the longitudinal direction of the insertion space 43.

[0217] Therefore, the transfer of heat generated by the receiver 50 and the conductive track 60 to the sensor 133 can be minimized. Additionally, the detection accuracy of the sensor 133 for the rod S can be improved.

[0218] Combination Figure 26 refer to Figure 27The heat diffuser 80 may be integrally formed with the sheet 40. The heat diffuser 80 may be included in the sheet 40. The heat diffuser 80 may be included in a predetermined region of the sheet 40. The heater assembly 30 may include a layer formed in a radially outward direction from the insertion space 43 in the order of the support 50, the first portion 40a and / or the third portion 40c of the sheet 40, the conductive track 60, and the fourth portion 40d. The fifth portion 40e may overlap with the first portion 40a, the second portion 40b, and the third portion 40c. The fifth portion 40e may include the first portion 40a, the second portion 40b, and the third portion 40c. The heater assembly 30 may include a layer formed in a radially outward direction from the insertion space 43 in the order of the support 50, the heat diffuser 80, the conductive track 60, the heat diffuser 80, and the sheet 40.

[0219] At least a portion of the heat diffuser 80 may be disposed between the receiver 50 and the conductive track 60, and at least one layer may be formed between the receiver 50 and the conductive track 60. For example, at least a portion of the heat diffuser 80 may contact the receiver 50 and may surround the outside of the receiver 50. At least a portion of the heat diffuser 80 may be disposed outside the conductive track 60, and at least one layer may be formed outside the conductive track 60. For example, at least a portion of the heat diffuser 80 may contact the conductive track 60 and may surround the outside of the conductive track 60.

[0220] In the heater assembly 30, a layer formed by the heat diffuser 80 may be disposed between the support 50 and the conductive track 60, and may be disposed outside the conductive track 60 in the radial direction of the insertion space 43. In the heater assembly 30, one surface of at least one layer formed by the heat diffuser 80 may contact one surface of the conductive track 60.

[0221] Therefore, the heat generated by the conductive track 60 can be uniformly diffused to the receiver 50 and the insertion space 43 through the heat diffuser 80. This can improve the efficiency of heat transfer from the conductive track 60 to the heat diffuser 80.

[0222] The length of the fourth portion 40d defined in the longitudinal direction of sheet 40 (reference) Figure 19 and Figure 20 The length of the fourth portion 40d can be greater than the length L2 of the conductive track 60. For example, the length of the fourth portion 40d can be 3 to 5 times the length L2 of the conductive track 60. The fourth portion 40d can wrap around the outer side of the second portion 40b and the conductive track 60 three to five times. The fourth portion 40d can form at least one layer around the outer side of the second portion 40b and the conductive track 60.

[0223] Therefore, because the sheet 40 forms multiple layers outside the conductive track 60, the release of heat generated by the conductive track 60 to the outside of the heater assembly 30 can be minimized.

[0224] In a structure where a sheet 40 is rolled to form multiple layers, a step can be formed at the connection between one layer and another. For example, the heater assembly 30 may have a step formed at the position where the conductive track 60 is disposed at one end 64 and the other end 65 in the longitudinal direction. The heater assembly 30 may also have a step formed at the position where the conductive track 60 is disposed at one end 64 and the other end 65 in the circumferential direction of the insertion space 43. This step may be referred to as a first step portion SP1. For example, a gap G1 may be formed between one end 51 and the other end 52 of the receiver 50 in the circumferential direction of the insertion space 43 (see reference). Figure 6 The heater assembly 30 may have a step formed at the location where a gap G1 is formed in the circumferential direction of the insertion space 43. This step may be referred to as the third step portion SP3.

[0225] The first step portion SP1 and the third step portion SP3 can be configured to be offset from each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30. The first step portion SP1 and the third step portion SP3 can also not overlap each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30.

[0226] The first step portion SP1 can be spaced apart from the gap G1 or the third step portion SP3 by a predetermined angle. For example, the angle c1 formed between the first step portion SP1 and the gap G1 or the third step portion SP3 relative to the center O or central axis of the heater assembly 30 can be 80 degrees to 100 degrees. Preferably, the angle c1 formed between the first step portion SP1 and the gap G1 or the third step portion SP3 can be about 90 degrees.

[0227] The distance between the conductive track 60 and the support 50 on the flat sheet 40 can be in the range of 0.23 to 0.28 times the length L1 of the support 50 defined in the longitudinal direction of the sheet 40. Preferably, the distance between the conductive track 60 and the support 50 can be about 0.25 times the length L1 of the support 50 defined in the longitudinal direction of the sheet 40.

[0228] Compared to other parts surrounding the insertion space 43, heat may be unevenly transferred to the insertion space 43 in the first step portion SP1 and the third step portion SP3. With repeated use of the aerosol generating device 1, the degree of degradation of the first step portion SP1 and the third step portion SP3 may differ from the degree of degradation of other parts surrounding the insertion space 43. If the first step portion SP1 and the third step portion SP3 are arranged overlapping each other, the degree of degradation of the corresponding portion may be significantly different from that of the other portions. Furthermore, certain portions of the rod S inserted into the insertion space 43 may not be properly heated, and these portions may be more susceptible to external impacts than other portions.

[0229] The first step portion SP1 and the third step portion SP3 can be configured to be spaced 90 degrees apart from each other relative to the insertion space 43. Therefore, it is possible to effectively prevent the components of the heater assembly 30 from deteriorating to varying degrees, and to uniformly heat the rod S inserted into the insertion space 43. Furthermore, damage to the heater assembly 30 due to external impacts can be minimized.

[0230] Combination Figure 26 refer to Figure 28 The heat diffuser 80 can be attached to the sheet 40. For example, the heat diffuser 80 can be disposed on one surface of the sheet 40, and at least one of the support 50 or the conductive track 60 can be disposed on the heat diffuser 80. The heater assembly 30 can include layers formed in a radially outward direction from the insertion space 43 in the order of support 50, heat diffuser 80, sheet 40, conductive track 60, heat diffuser 80, and sheet 40.

[0231] At least a portion of the heat diffuser 80 may be disposed between the receiver 50 and the conductive track 60, and at least one layer may be formed between the receiver 50 and the conductive track 60. For example, at least a portion of the heat diffuser 80 may contact the receiver 50 and may surround the outer side of the receiver 50. At least one layer formed of sheet 40 may be disposed between the heat diffuser 80 and the conductive track 60.

[0232] At least a portion of the heat diffuser 80 may be disposed outside the conductive track 60, and at least one layer may be formed on the outside of the conductive track 60. For example, at least a portion of the heat diffuser 80 may be in contact with the conductive track 60 and may surround the outer side of the conductive track 60.

[0233] In the heater assembly 30, a layer formed by the heat diffuser 80 may be disposed between the support 50 and the conductive track 60, and may be disposed outside the conductive track 60 in the radial direction of the insertion space 43. In the heater assembly 30, one surface of at least one layer formed by the heat diffuser 80 may contact one surface of the conductive track 60.

[0234] Therefore, the heat generated by the conductive track 60 can be uniformly diffused to the receiver 50 and the insertion space 43 through the heat diffuser 80. This can improve the efficiency of heat transfer from the conductive track 60 to the heat diffuser 80.

[0235] The heater assembly 30 may have a step formed at the connection between one layer and another. For example, the heater assembly 30 may have a first step portion SP1 formed at the position where one end 64 and the other end 65 of the conductive track 60 are disposed in the circumferential direction of the insertion space 43. For example, the heater assembly 30 may have a third step portion SP3 formed at the position where a gap G1 is formed in the circumferential direction of the insertion space 43. For example, the heater assembly 30 may have a second step portion SP2 formed at the position where the other end 82 of the heat diffuser 80 is disposed in the circumferential direction of the insertion space 43.

[0236] At least two of the first step portion SP1, the second step portion SP2, and the third step portion SP3 may be configured to be offset from each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30. At least two of the first step portion SP1, the second step portion SP2, and the third step portion SP3 may not overlap with each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30.

[0237] The first step portion SP1 can be spaced apart from the gap G1 or the third step portion SP3 by a predetermined angle, and the second step portion SP2 can also be spaced apart from the gap G1 or the third step portion SP3 by a predetermined angle. For example, the angle c1 formed between the first step portion SP1 and the gap G1 or the third step portion SP3 relative to the center O or central axis of the heater assembly 30 can be 80 degrees to 100 degrees. Preferably, the angle c1 formed between the first step portion SP1 and the gap G1 or the third step portion SP3 can be about 90 degrees. For example, the angle c2 formed between the second step portion SP2 and the gap G1 or the third step portion SP3 relative to the center O or central axis of the heater assembly 30 can be 160 degrees to 200 degrees. Preferably, the angle c2 formed between the second step portion SP2 and the gap G1 or the third step portion SP3 can be about 180 degrees.

[0238] The distance A5 between the other end 82 of the heat diffuser 80 and the other end 65 of the conductive track 60 on the flat sheet 40 (see...) Figure 19The distance A5 between the other end 82 of the heat diffuser 80 and the other end 65 of the conductive track 60 can be in the range of 0.23 to 0.28 times the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. Preferably, the distance A5 between the other end 82 of the heat diffuser 80 and the other end 65 of the conductive track 60 can be about 0.25 times the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. The distance A1 between the support 50 and the conductive track 60 on the flat sheet 40 (see...) Figure 19 The distance A1 between the support 50 and the conductive track 60 can be in the range of 0.23 to 0.28 times the length L1 of the support 50 defined in the longitudinal direction of the sheet 40. Preferably, the distance A1 between the support 50 and the conductive track 60 can be about 0.25 times the length L1 of the support 50 defined in the longitudinal direction of the sheet 40.

[0239] The first step SP1, the second step SP2, and the third step SP3 can be arranged to be spaced 90 degrees apart from each other relative to the insertion space 43. Since the steps SP1, SP2, and SP3 are symmetrically arranged, uneven deterioration of the components of the heater assembly 30 can be effectively prevented, and the rod S inserted into the insertion space 43 can be heated uniformly. Furthermore, damage to the heater assembly 30 due to external impacts can be minimized.

[0240] Combination Figure 26 refer to Figure 29 The heat diffuser 80 can be disposed on the conductive track 60. The heat diffuser 80 can be disposed to overlap the conductive track 60 in the thickness direction of the sheet 40. The heater assembly 30 can include layers formed in the order of the support 50, sheet 40, heat diffuser 80, conductive track 60 and sheet 40 in a direction radially outward from the insertion space 43.

[0241] At least a portion of the heat diffuser 80 may be disposed between the receiver 50 and the conductive track 60, and at least one layer may be formed between the receiver 50 and the conductive track 60. For example, at least a portion of the heat diffuser 80 may contact the conductive track 60 and may surround the outside of the receiver 50. At least one layer formed of sheet 40 may be disposed between the heat diffuser 80 and the receiver 50.

[0242] In the heater assembly 30, a layer formed by the heat diffuser 80 may be disposed between the receiver 50 and the conductive track 60 in the radial direction of the insertion space 43. In the heater assembly 30, a surface of at least one layer formed by the heat diffuser 80 may contact a surface of the conductive track 60.

[0243] Therefore, the heat generated by the conductive track 60 can be uniformly diffused to the receiver 50 and the insertion space 43 through the heat diffuser 80. This can improve the efficiency of heat transfer from the conductive track 60 to the heat diffuser 80.

[0244] The heater assembly 30 may include a first stepped portion SP1 and a third stepped portion SP3. The first stepped portion SP1 may be spaced apart from the third stepped portion SP3 by a predetermined angle. For example, the angle c1 formed between the first stepped portion SP1 and the gap G1 or the third stepped portion SP3 relative to the center O or central axis of the heater assembly 30 may be 80 degrees to 100 degrees. Preferably, the angle c1 formed between the first stepped portion SP1 and the gap G1 or the third stepped portion SP3 may be approximately 90 degrees.

[0245] Therefore, it is possible to effectively prevent the components of the heater assembly 30 from deteriorating to varying degrees, and to uniformly heat the rod S inserted into the insertion space 43. Furthermore, damage to the heater assembly 30 due to external impacts can be minimized.

[0246] Combination Figure 26 refer to Figure 30 The heat diffuser 80 may be integrally formed with the sheet 40. The heat diffuser 80 may be included in the sheet 40. The heat diffuser 80 may be included in a predetermined region of the sheet 40. The heater assembly 30 may include layers formed in a radially outward direction from the insertion space 43 in the order of the receiver 50, the heat diffuser 80, the conductive track 60, and the sheet 40.

[0247] At least a portion of the heat diffuser 80 may be disposed between the receiver 50 and the conductive track 60, and at least one layer may be formed between the receiver 50 and the conductive track 60. For example, at least a portion of the heat diffuser 80 may be in contact with the receiver 50 and may surround the outer side of the receiver 50.

[0248] In the heater assembly 30, a layer formed by the heat diffuser 80 may be disposed between the receiver 50 and the conductive track 60 in the radial direction of the insertion space 43. In the heater assembly 30, a surface of at least one layer formed by the heat diffuser 80 may contact a surface of the receiver 50 and / or a surface of the conductive track 60.

[0249] Therefore, the heat generated by the conductive track 60 can be uniformly diffused to the receiver 50 and the insertion space 43 through the heat diffuser 80. This can improve the efficiency of heat transfer from the conductive track 60 to the heat diffuser 80.

[0250] The heater assembly 30 may include a first stepped portion SP1 and a third stepped portion SP3. The first stepped portion SP1 may be spaced apart from the third stepped portion SP3 by a predetermined angle. For example, the angle c1 formed between the first stepped portion SP1 and the gap G1 or the third stepped portion SP3 relative to the center O or central axis of the heater assembly 30 may be 80 degrees to 100 degrees. Preferably, the angle c1 formed between the first stepped portion SP1 and the gap G1 or the third stepped portion SP3 may be approximately 90 degrees.

[0251] Therefore, it is possible to effectively prevent the components of the heater assembly 30 from deteriorating to varying degrees, and to uniformly heat the rod S inserted into the insertion space 43. Furthermore, damage to the heater assembly 30 due to external impacts can be minimized.

[0252] Figure 31 This is an exploded perspective view of a heater assembly according to an embodiment of the present disclosure. (The remaining text is omitted.) Figures 5 to 8 The components shown are the same as those in the original document. (Detailed description of the components is also provided.)

[0253] refer to Figure 31 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a second insulation 40d.

[0254] The second heat insulation 40d can be included as part of the sheet 40 in a predetermined region of the sheet 40. The second heat insulation 40d can be integrally formed with the sheet 40. The second heat insulation 40d can be defined as a region of the sheet 40 having a plurality of holes H1, H2 and H3 formed therein in a spaced-apart manner.

[0255] The sheet 40 may be elongated. The support 50 and the conductive track 60 may be attached to the sheet 40. The support 50 and the conductive track 60 may be rolled together with the sheet 40 in the longitudinal direction of the sheet 40. The sheet 40 may form multiple layers in the hollow heater assembly 30. The sheet 40 may form at least one layer around the periphery of the support 50 on the outside of the support 50 and / or at least one layer around the periphery of the conductive track 60 on the outside of the conductive track 60. The second insulation 40d may form at least one layer around the periphery of the conductive track 60.

[0256] Figure 32 and Figure 33 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure.

[0257] Reference Figure 32 and Figure 33The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a second insulation 40d. The support 50 and the conductive track 60 may be disposed on the sheet 40. The second insulation 40d may be included as part of the sheet 40 in a predetermined area of ​​the sheet 40. The support 50 and the conductive track 60 may be arranged sequentially in the longitudinal direction of the sheet 40.

[0258] The support 50 and the conductive track 60 can be disposed on the same surface of the sheet 40. The sheet 40 can be an elongated sheet in one direction or the x-direction. The sheet 40 may include a flat first surface 41 and a second surface 42 formed opposite to the first surface 41 in its thickness direction. The support 50 and the conductive track 60 can be disposed on the first surface 41 of the sheet 40. The sheet 40 can be rolled such that the first surface 41 faces the central axis of the hollow heater assembly 30 or the insertion space 43 (see...). Figure 39 The heater assembly 30 can be formed by rolling the support 50 and the conductive track 60 together with the sheet 40.

[0259] When an elastic object rolls up, it may spring back. When an object deforms, it possesses properties that resist deformation. Springback can be defined as the phenomenon that occurs due to a restoring force resisting deformation. When the support 50 and the conductive track 60 are disposed on the same surface of the sheet 40, less springback may occur compared to when the support 50 and the conductive track 60 are disposed on different surfaces of the sheet 40.

[0260] Therefore, springback that occurs during the assembly of the hollow heater assembly 30 can be reduced, thereby reducing defects in the heater assembly.

[0261] The support 50 can be disposed adjacent to one end of the sheet 40 in the longitudinal direction. One end 51 of the support 50 can be aligned parallel to one end of the sheet 40. The support 50 can be spaced apart from the conductive track 60. For example, the conductive track 60 can be spaced apart from the support 50 in the longitudinal direction of the sheet 40. One end 64 of the conductive track 60 can be spaced apart from the other end 52 of the support 50 by a predetermined distance A1. The upper end 53 of the support 50 can be aligned with the upper end 66 of the conductive track 60. The lower end 54 of the support 50 can be aligned with the lower end 67 of the conductive track 60.

[0262] The width W0 of the sheet 40 can be greater than the width W1 of the support 50 and the width W2 of the conductive track 60. The support 50 and the conductive track 60 can be positioned closer to the upper end of the sheet 40 than the lower end of the sheet 40 in the width direction or the y-direction. The distance A2 between the upper end 53 of the support 50 and / or the upper end 66 of the conductive track 60 and the upper end of the sheet 40 can be less than the distance A3 between the lower end 54 of the support 50 and / or the lower end 67 of the conductive track 60 and the lower end of the sheet 40.

[0263] The distance A1 between the support 50 and the conductive track 60 in the longitudinal direction of the sheet 40 can be less than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. The support 50 and the conductive track 60 can be electrically insulated from each other by the sheet 40. As the distance A1 between the support 50 and the conductive track 60 increases, the number of layers of the sheet 40 disposed between the support 50 and the conductive track 60 in the hollow heater assembly 30 can increase, or the area of ​​the sheet 40 can increase. When the distance A1 between the support 50 and the conductive track 60 is less than the length L2 of the conductive track 60, the number of layers of the sheet 40 disposed between the support 50 and the conductive track 60 can be two or less.

[0264] Therefore, the heat generated from the conductive track 60 can be transferred to the receiver 50 more effectively.

[0265] In the longitudinal direction of sheet 40, the length L2 of conductive track 60 can be greater than the length L1 of support 50. In hollow heater assembly 30, conductive track 60 can surround support 50 on the outside. Because the length L2 of conductive track 60 is greater than the length L1 of support 50, the area of ​​the portion of conductive track 60 surrounding support 50 can be increased.

[0266] Therefore, the heat transfer area from the conductive track 60 to the support 50 can be increased, and the insertion space 43 or the rod S in the insertion space 43 can be heated more uniformly through the support 50 and the conductive track 60. In addition, due to the increased area of ​​the conductive track 60, the design freedom of the track shape can be increased.

[0267] The second heat insulator 40d can be disposed adjacent to the conductive track 60 in the longitudinal direction of the sheet 40. The second heat insulator 40d can be elongated in the longitudinal direction of the sheet 40. The length L5 of the second heat insulator 40d can be 50 mm to 90 mm. Preferably, the length L5 of the second heat insulator 40d can be 60 mm to 80 mm.

[0268] The second insulating material 40d may have a plurality of holes H1, H2, and H3 formed therein in a spaced-apart manner. The plurality of holes H1, H2, and H3 may penetrate the sheet 40 in the thickness direction or z-direction. The plurality of holes H1, H2, and H3 may be spaced apart from each other in the longitudinal direction and the width direction of the sheet 40. The plurality of holes H1, H2, and H3 may be arranged in rows or columns.

[0269] The sheet 40 may include a first portion 40a, a second portion 40b, a third portion 40c, a fourth portion 40d, and a fifth portion 40e. A support 50 may be disposed on the first portion 40a. A conductive track 60 may be disposed on the second portion 40b. The third portion 40c may be disposed between the first portion 40a and the second portion 40b in the longitudinal direction of the sheet 40, and may be connected to the first portion 40a and the second portion 40b. The fourth portion 40d may be opposite to the third portion 40c relative to the second portion 40b in the longitudinal direction of the sheet 40, and may be connected to the second portion 40b and the fifth portion 40e. A plurality of holes H1, H2, and H3 may be formed in the fourth portion 40d. That is, the fourth portion 40d, as part of the sheet 40, may be referred to as the second insulation 40d. The fifth portion 40e may be opposite to the second portion 40b relative to the second insulation 40d in the longitudinal direction of the sheet 40, and may be connected to the second insulation 40d.

[0270] The fifth portion 40e may be elongated. The length A6 of the fifth portion 40e defined in the longitudinal direction of the sheet 40 may be greater than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. The shortest distance A6 between the plurality of holes H1, H2, and H3 in the second insulation 40d and the other end of the sheet 40 may be greater than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40. In the heater assembly 30, the fifth portion 40e may form at least one layer surrounding the outer side of the second insulation 40d.

[0271] The sheet 40 can be rolled in a direction from one end of the first portion 40a toward one end of the fifth portion 40e. In the hollow heater assembly 30, the second portion 40b can be disposed outside the first portion 40a, the second insulation 40d can be disposed outside the second portion 40b, and the fifth portion 40e can be disposed outside the second insulation 40d.

[0272] The support 50 and the conductive track 60 can be attached to the sheet 40 by thermal fusion. The support 50 and the conductive track 60 can be respectively disposed on the first surface 41 of the first portion 40a and the second portion 40b of the sheet 40. The support 50 and the conductive track 60 can be attached to the sheet 40 by heating the sheet 40, the support 50 and the conductive track 60 to a predetermined temperature or a higher temperature.

[0273] Therefore, the assembly structure of the heater assembly can be simplified.

[0274] The thickness T1 of the support 50 can be from 0.01 mm to 0.03 mm. The thickness T2 of the conductive track 60 can be from 0.03 mm to 0.05 mm. The thickness T0 of the sheet 40 can be from 0.015 mm to 0.035 mm. The thickness T2 of the conductive track 60 can be greater than the thickness T0 of the sheet 40 and the thickness T1 of the support 50. The thickness T0 of the sheet 40 can be greater than the thickness T1 of the support 50. The thin-film support 50 and the conductive track 60 can be rolled together with a thin sheet 40 including a second insulation 40d to form a hollow heater assembly 30.

[0275] Therefore, the size of the hollow heater assembly 30 can be reduced, resulting in a reduction in the size of the aerosol generating device 1. Furthermore, the manufacturing process of the heater assembly 30 can be simplified, and its manufacturing cost can be reduced.

[0276] Figures 34 to 36 This is a view showing the second insulation element of a heater assembly according to an embodiment of the present disclosure.

[0277] Reference Figure 34 The plurality of holes H1, H2, and H3 in the second insulation 40d can be configured as at least one group. The plurality of holes H1, H2, and H3 may include a plurality of first holes H1 arranged in rows and columns in a predetermined region of the sheet 40. The portion provided with the first holes H1 may be referred to as the first group or the second-first insulation portion 40d1. The plurality of holes H1, H2, and H3 may include a plurality of second holes H2 arranged in rows and columns in a predetermined region of the sheet 40. The portion provided with the second holes H2 may be referred to as the second group or the second-second insulation portion 40d2. The plurality of holes H1, H2, and H3 may include a plurality of third holes H3 arranged in rows and columns in a predetermined region of the sheet 40. The portion provided with the third holes H3 may be referred to as the third group or the second-third insulation portion 40d3. Figure 10 The example shows three second insulation sections, but the number of second insulation sections is not limited to three; there can be one or more.

[0278] The second-first insulating portion 40d1, the second-second insulating portion 40d2, and the second-third insulating portion 40d3 can be sequentially arranged in the longitudinal direction of the sheet 40. The second-first insulating portion 40d1 can be closer to the receiver 50 and / or the conductive track 60 in the longitudinal direction of the sheet 40 than the second-second insulating portion 40d2 and the second-third insulating portion 40d3. A plurality of first holes H1 in the second-first insulating portion 40d1 can be aligned with each other in the longitudinal direction and / or the width direction of the sheet 40. The plurality of first holes H1 can be arranged in at least one row in the longitudinal direction of the sheet 40. The second-second insulating portion 40d2 can be disposed between the second-first insulating portion 40d1 and the second-third insulating portion 40d3 in the longitudinal direction of the sheet 40. The second-second insulating portion 40d2 can be connected to the second-first insulating portion 40d1 and the second-third insulating portion 40d3. The plurality of second holes H2 in the second-2 insulating portion 40d2 can be aligned with each other in the longitudinal direction and / or width direction of the sheet 40. The plurality of second holes H2 can be arranged in at least one row in the longitudinal direction of the sheet 40. The second-3 insulating portion 40d3 can be connected to the second-2 insulating portion 40d2. The plurality of third holes H3 in the second-3 insulating portion 40d3 can be aligned with each other in the longitudinal direction and / or width direction of the sheet 40. The plurality of third holes H3 can be arranged in at least one row in the longitudinal direction of the sheet 40. The plurality of first holes H1, second holes H2 and third holes H3 can be aligned with each other in the longitudinal direction of the sheet 40.

[0279] Multiple first holes H1 can be spaced apart from each other at a regular interval P21 in the longitudinal direction of the sheet 40. Multiple second holes H2 can be spaced apart from each other at a regular interval P22 in the longitudinal direction of the sheet 40. Multiple third holes H3 can be spaced apart from each other at a regular interval P23 in the longitudinal direction of the sheet 40. The interval P21 between the first holes H1 can be smaller than the interval P22 between the second holes H2. The interval P22 between the second holes H2 can be smaller than the interval P23 between the third holes H3.

[0280] In the longitudinal direction of sheet 40, the interval P21 between the first holes H1 can be greater than the diameter DH of the first hole H1. The interval P22 between the second holes H2 can be greater than the diameter of the second hole H2. The interval P23 between the third holes H3 can be greater than the diameter of the third hole H3.

[0281] Multiple first holes H1 can be spaced apart from each other at regular intervals P1 in the width direction of the sheet 40. Multiple second holes H2 can be spaced apart from each other at regular intervals P1 in the width direction of the sheet 40. Multiple third holes H3 can be spaced apart from each other at regular intervals P1 in the width direction of the sheet 40. The multiple holes H1, H2 and H3 can be arranged to be spaced apart from the upper and lower ends of the sheet 40 or the second insulation 40d in the width direction of the sheet 40.

[0282] The first hole H1 to the third hole H3 can have the same diameter. However, at least one of the first hole H1 to the third hole H3 can have a different diameter than the other holes.

[0283] Therefore, in a structure in which a sheet 40 is rolled to form a heater assembly 30 with multiple layers, the first hole H1 to the third hole H3 located in different layers can be arranged to be offset from each other in the radial direction of the insertion space 43.

[0284] Reference Figure 35 The second-1 heat insulation portion 40d1, the second-2 heat insulation portion 40d2, and the second-3 heat insulation portion 40d3 can be sequentially arranged in the longitudinal direction of the sheet 40. A plurality of first holes H1 can be arranged in at least one row CL1 in the longitudinal direction of the sheet 40. A plurality of second holes H2 can be arranged in at least one row CL2 in the longitudinal direction of the sheet 40. A plurality of third holes H3 can be arranged in at least one row CL3 in the longitudinal direction of the sheet 40.

[0285] The plurality of first holes H1 and the plurality of second holes H2 can be staggered relative to each other in the longitudinal direction of the sheet 40. At least one row of CL1 among the plurality of first holes H1 can be staggered relative to at least one row of CL2 among the plurality of second holes H2 in the longitudinal direction of the sheet 40. The plurality of second holes H2 and the plurality of third holes H3 can be staggered relative to each other in the longitudinal direction of the sheet 40. At least one row of CL2 among the plurality of second holes H2 can be staggered relative to at least one row of CL3 among the plurality of third holes H3 in the longitudinal direction of the sheet 40.

[0286] Multiple first holes H1 can be spaced apart from each other at a regular interval P21 in the longitudinal direction of the sheet 40. Multiple second holes H2 can be spaced apart from each other at a regular interval P22 in the longitudinal direction of the sheet 40. Multiple third holes H3 can be spaced apart from each other at a regular interval P23 in the longitudinal direction of the sheet 40. The interval P21 between the first holes H1 can be smaller than the interval P22 between the second holes H2. The interval P22 between the second holes H2 can be smaller than the interval P23 between the third holes H3.

[0287] In the longitudinal direction of sheet 40, the spacing P21 between the first holes H1 can be at least 0.4 times the diameter DH of the first hole H1. The spacing P22 between the second holes H2 can be at least 0.4 times the diameter of the second hole H2. The spacing P23 between the third holes H3 can be at least 0.4 times the diameter of the third hole H3.

[0288] Multiple first holes H1 may be spaced apart from each other at a regular interval P1 in the width direction of the sheet 40. Multiple second holes H2 may be spaced apart from each other at a regular interval P1 in the width direction of the sheet 40. Multiple third holes H3 may be spaced apart from each other at a regular interval P1 in the width direction of the sheet 40. In the width direction of the sheet 40, the interval P1 between the first holes H1 may be at least 0.4 times the diameter DH of the first hole H1. The interval P1 between the second holes H2 may be at least 0.4 times the diameter of the second hole H2. The interval P1 between the third holes H3 may be at least 0.4 times the diameter of the third hole H3.

[0289] The first hole H1 to the third hole H3 can have the same diameter. However, at least one of the first hole H1 to the third hole H3 can have a different diameter than the other holes.

[0290] Therefore, in a structure in which a sheet 40 is rolled to form a heater assembly 30 with multiple layers, the first hole H1 to the third hole H3 located in different layers can be arranged to be offset from each other in the radial direction of the insertion space 43.

[0291] Reference Figure 36 The second-1 heat insulation portion 40d1, the second-2 heat insulation portion 40d2, and the second-3 heat insulation portion 40d3 can be sequentially arranged in the longitudinal direction of the sheet 40. A plurality of first holes H1 can be arranged in at least one row relative to each other in the longitudinal direction of the sheet 40. A plurality of second holes H2 can be arranged in at least one row relative to each other in the longitudinal direction of the sheet 40. A plurality of third holes H3 can be arranged in at least one row relative to each other in the longitudinal direction of the sheet 40.

[0292] In the 2-1 insulation section 40d1, the first holes H1 in adjacent rows CL4 and CL5 of the multiple rows can be staggered relative to each other in the width direction of the sheet 40. For example, the first holes H1 in the first row CL4 and the third row CL6 of the multiple rows can be staggered relative to the first holes H1 in the second row CL5 and the fourth row CL7 in the width direction of the sheet 40. Similar to the 2-1 insulation section 40d1, the second holes H2 in adjacent rows of the multiple rows of the 2-2 insulation section 40d2 can be staggered relative to each other in the width direction of the sheet 40, and the third holes H3 in adjacent rows of the multiple rows of the 2-3 insulation section 40d3 can be staggered relative to each other in the width direction of the sheet 40.

[0293] Multiple first holes H1 can be spaced apart from each other at a regular interval P21 in the longitudinal direction of the sheet 40. Multiple second holes H2 can be spaced apart from each other at a regular interval P22 in the longitudinal direction of the sheet 40. Multiple third holes H3 can be spaced apart from each other at a regular interval P23 in the longitudinal direction of the sheet 40. The interval P21 between the first holes H1 can be smaller than the interval P22 between the second holes H2. The interval P22 between the second holes H2 can be smaller than the interval P23 between the third holes H3.

[0294] Therefore, in a structure in which a sheet 40 is rolled to form a heater assembly 30 with multiple layers, the first hole H1 to the third hole H3 located in different layers can be arranged to be offset from each other in the radial direction of the insertion space 43.

[0295] Figure 37 and Figure 38 This is a view showing the heater assembly in an unfolded state according to an embodiment of the present disclosure. (The remaining text is incomplete and likely refers to a separate topic.) Figure 32 and Figure 33 A detailed description of the same features as the heater assembly shown.

[0296] Reference Figure 37 and Figure 38 The heater assembly 30 may include a sheet 40, a support 50, a conductive track 60, and a second insulation 40d. The support 50 and the conductive track 60 may be disposed on the sheet 40. The second insulation 40d may be included as part of the sheet 40 in a predetermined area of ​​the sheet 40. The support 50 and the conductive track 60 may be arranged sequentially in the longitudinal direction of the sheet 40.

[0297] The second heat insulation element 40d can be disposed adjacent to the support 50 in the longitudinal direction of the sheet 40. The second heat insulation element 40d can overlap with the conductive track 60 in the thickness direction of the sheet 40.

[0298] The second insulating body 40d may have a plurality of holes H1, H2, H3 and H4 formed therein in a spaced-apart manner. At least a portion of the plurality of holes H1, H2, H3 and H4 may overlap with the conductive track 60 in the thickness direction of the sheet 40.

[0299] The sheet 40 may include a first portion 40a, a second portion 40b, a third portion 40c, a fourth portion 40d, and a fifth portion 40e. A receiver 50 may be disposed on the first portion 40a. A conductive track 60 may be disposed on the second portion 40b. Some of a plurality of holes H1, H2, H3, and H4 may be formed in the fourth portion 40d. Some of a plurality of holes H1, H2, H3, and H4 may be formed in the second portion 40b.

[0300] The sheet 40 can be rolled in a direction from one end of the first portion 40a toward one end of the fifth portion 40e. In the hollow heater assembly 30, the second insulation 40d can be disposed outside the conductive track 60, and the fifth portion 40e can be disposed outside the second insulation 40d.

[0301] Figure 39 This is a cross-sectional view of a heater assembly according to an embodiment of the present disclosure, and Figure 40 and Figure 41 This is a cross-sectional view showing the stepped spacing structure of a heater assembly according to an embodiment of the present disclosure. Figure 39 It shows along Figure 4 The cross-section of the heater assembly is cut by line AA, and Figure 40 and 41 It shows along Figure 4 The cross-section of the heater assembly is cut by line BB.

[0302] refer to Figure 39 The support 50 may be located at the innermost part of the hollow heater assembly 30. An insertion space 43 may be disposed inside the support 50. The support 50 may define at least a portion of the insertion space 43. The support 50 may surround at least a portion of the insertion space 43. The inner peripheral surface of the support 50 may be exposed to the insertion space 43. The support 50 may face the rod S inserted into the insertion space 43. At least a portion of the inner peripheral surface of the support 50 may contact the outer peripheral surface of the rod S inserted into the insertion space 43.

[0303] Therefore, the thin-film type support defines at least a portion of the insertion space and is in direct contact with the rod inserted into the insertion space, thereby improving the efficiency of heat transfer to the rod.

[0304] The support 50 and the conductive track 60 can be spaced apart from the upper and lower ends of the sheet 40. In the hollow heater assembly 30, the upper and lower ends of the first portion 40a and the second portion 40b can contact each other. The conductive track 60 can be externally sealed through a structure in which the upper and lower ends of the first portion 40a and the second portion 40b are in contact with each other, and the first portion 40a, the second portion 40b, the third portion 40c, the fourth portion 40d, and the fifth portion 40e are rolled together.

[0305] The hollow heater assembly 30 can be combined with supports 91 and 92. Supports 91 and 92 can be coupled to or press-fitted into the heater assembly 30. In the combined state of the hollow heater assembly 30 and supports 91 and 92, the heater assembly 30 and supports 91 and 92 can be heated to a predetermined temperature or a higher temperature.

[0306] Therefore, the heater assembly can be sealed from the outside, and the heat released from the conductive pattern to the outside of the heater assembly can be minimized.

[0307] The insertion hole 913 in the first bracket 91 can communicate with the upper side of the insertion space 43. The hole 924 in the second bracket 92 can communicate with the lower side of the insertion space 43. The rod S can be inserted into the insertion space 43 through the insertion hole 913. External air can flow into the rod S from the outside of the heater assembly 30 through the end of the rod S and through the hole 924. The inner peripheral surface of the first bracket body 911 can support at least a portion of the outer peripheral surface of the rod S inserted into the insertion space 43. The upper surface 923 of the second bracket body 921 can support at least a portion of the lower end of the rod S inserted into the insertion space 43. The first bracket 91 and the second bracket 92 can be spaced apart from the receiver 50 in the longitudinal direction of the insertion space 43. In the longitudinal direction of the insertion space 43, the lower end of the first bracket body 911 can be spaced apart from the upper end 53 of the receiver 50, and the upper end of the second bracket body 921 can be spaced apart from the lower end 54 of the receiver 50.

[0308] A rod detection sensor 133 may be disposed in the heater assembly 30. The rod detection sensor 133 can detect the insertion and / or removal of the rod S. For example, the rod detection sensor 133 may be an inductive sensor and / or a capacitive sensor. The rod detection sensor 133 may be disposed adjacent to the lower end of the insertion space 43. The rod detection sensor 133 may be disposed around at least a portion of the lower side of the heater assembly 30. The rod detection sensor 133 may be disposed in contact with and around the fifth portion 40e or the outermost layer of the sheet 40. The rod detection sensor 133 may be disposed below the receiver 50 and the conductive track 60 in the longitudinal direction of the insertion space 43. The rod detection sensor 133 may be spaced apart from the receiver 50 and the conductive track 60 in the longitudinal direction of the insertion space 43.

[0309] Therefore, the transfer of heat generated by the receiver 50 and the conductive track 60 to the sensor 133 can be minimized. Additionally, the detection accuracy of the sensor 133 for the rod S can be improved.

[0310] Combination Figure 39 refer to Figure 40The heater assembly 30 may include layers formed in the following order, radially outward from the insertion space 43: a support 50, a first portion 40a and / or a third portion 40c of a sheet 40, a conductive track 60, a second portion 40b of a sheet 40, a second insulating body 40d, and a fifth portion 40e of a sheet 40. The second insulating body 40d may have multiple layers formed outside the conductive track 60. The second insulating body 40d may have three to five layers formed outside the conductive track 60. For example, at least one layer may be formed outside the conductive track 60 for the second-1 insulating portion 40d1, at least one layer may be formed outside the second-2 insulating portion 40d2, and at least one layer may be formed outside the second-3 insulating portion 40d3. The length L5 of the second insulating body 40d may be three to five times the length L2 of the conductive track 60. The second insulating element 40d can wrap around the outer side of the second part 40b and the conductive track 60 three to five times.

[0311] The plurality of holes H1, H2, and H3 in the heater assembly 30 can be configured to not overlap with each other in the radial direction of the insertion space 43. For example, the first hole H1 of the second-1 insulation section 40d1 and the second hole H2 of the second-2 insulation section 40d2 can be configured to be offset from each other in the radial direction of the insertion space 43. For example, the second hole H2 of the second-2 insulation section 40d2 and the third hole H3 of the second-3 insulation section 40d3 can be configured to be offset from each other in the radial direction of the insertion space 43. Thus, each of the plurality of holes H1, H2, and H3 in the second insulation body 40d can be sealed from the outside, and multiple air layers can be formed in the second insulation body 40d through the respective holes.

[0312] The second portion 40b of the sheet 40 may be disposed outside the conductive track 60 and at least one layer may be formed on the outside of the conductive track 60. The second portion 40b of the sheet 40 may form at least one layer between the conductive track 60 and the second-first insulating portion 40d1. One surface of the second portion 40b may contact the conductive track 60 and may surround the outer side of the conductive track 60.

[0313] The fifth portion 40e of the sheet 40 may form at least one layer surrounding the outer side of the second insulation 40d. The plurality of holes H1, H2, and H3 in the second insulation 40d may be sealed from the outside by at least one layer formed by the fifth portion 40e of the sheet 40 on the outer side of the second insulation 40d.

[0314] Therefore, since the second insulating body 40d forms multiple layers around the outside of the conductive track 60, the release of heat generated by the conductive track 60 to the outside of the heater assembly 30 can be minimized, and the insulation performance can be improved.

[0315] Furthermore, since the multiple holes H1, H2 and H3 in the second insulation body 40d are arranged to be staggered with each other in the radial direction of the insertion space 43, and the air layer is formed by the corresponding holes, the insulation performance can be improved, and the size can be easily controlled during the thermal fusion process of the heater assembly 30 with multiple layers formed.

[0316] In addition, since the multiple holes H1, H2 and H3 in the second insulation 40d are sealed from the outside by the sheet 40, the heater assembly 30 can be effectively sealed.

[0317] In a structure where a sheet 40 is rolled to form multiple layers, a step can be formed at the connection between one layer and another. For example, the heater assembly 30 may have a step formed at the position where the conductive track 60 is disposed at one end 64 and the other end 65 in the longitudinal direction. The heater assembly 30 may also have a step formed at the position where the conductive track 60 is disposed at one end 64 and the other end 65 in the circumferential direction of the insertion space 43. This step may be referred to as a first step portion SP1. For example, a gap G1 (see reference) may be formed in the circumferential direction of the insertion space 43 between one end 51 and the other end 52 of the receiver 50. Figure 6 Furthermore, the heater assembly 30 has a step formed at the location where a gap G1 is formed in the circumferential direction of the insertion space 43. This step may be referred to as the second step portion SP2.

[0318] The first step portion SP1 and the second step portion SP2 can be configured to be offset from each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30. The first step portion SP1 and the second step portion SP2 can also be non-overlapping with each other in the radial direction of the insertion space 43 or the radial direction of the heater assembly 30.

[0319] The first step portion SP1 can be spaced apart from the gap G1 or the second step portion SP2 by a predetermined angle. For example, the angle c1 formed between the first step portion SP1 and the gap G1 or the second step portion SP2 relative to the center O or central axis of the heater assembly 30 can be 80 degrees to 100 degrees. Preferably, the angle c1 formed between the first step portion SP1 and the gap G1 or the second step portion SP2 can be about 90 degrees.

[0320] The distance between the conductive track 60 and the support 50 on the flat sheet 40 can be in the range of 0.23 to 0.28 times the length L1 of the support 50 defined in the longitudinal direction of the sheet 40. Preferably, the distance between the conductive track 60 and the support 50 can be about 0.25 times the length L1 of the support 50 defined in the longitudinal direction of the sheet 40.

[0321] Compared to other parts surrounding the insertion space 43, heat in the first step SP1 and the second step SP2 may be unevenly distributed to the insertion space 43. With repeated use of the aerosol generating device 1, the degree of degradation of the first step SP1 and the second step SP2 may differ from the degree of degradation of other parts surrounding the insertion space 43. If the first step SP1 and the second step SP2 are arranged overlapping each other, the degree of degradation of the corresponding parts may be significantly different from that of the other parts. Furthermore, certain portions of the rod S inserted into the insertion space 43 may not be properly heated, and these portions may be more susceptible to external impacts than other portions.

[0322] The first step portion SP1 and the second step portion SP2 can be configured to be spaced 90 degrees apart from each other relative to the insertion space 43. Therefore, it is possible to effectively prevent the components of the heater assembly 30 from deteriorating to varying degrees, and to uniformly heat the rod S inserted into the insertion space 43. Furthermore, damage to the heater assembly 30 due to external impacts can be minimized.

[0323] Combination Figure 39 refer to Figure 41 The heater assembly 30 may include layers formed in a radially outward direction from the insertion space 43 in the following order: support 50, first portion 40a and / or third portion 40c of sheet 40, conductive track 60, second portion 40b of sheet 40, second insulation 40d, and fifth portion 40e of sheet 40.

[0324] Some of the multiple holes H1, H2, H3, and H4 can be formed in the second portion 40b. That is, the second portion 40b can form part of the second insulation 40d. The second portion 40b can be defined as the second-first insulation portion 40d1 of the second insulation 40d. The second-first insulation portion 40d1 can be disposed on the outside of the conductive track 60, and at least one layer can be formed on the outside of the conductive track 60. One surface of the second-first insulation portion 40d1 can contact the conductive track 60 in the radial direction of the insertion space 43, and can surround the outside of the conductive track 60.

[0325] The plurality of holes H1, H2, H3, and H4 in the heater assembly 30 can be configured to not overlap with each other in the radial direction of the insertion space 43. For example, the first hole H1 in the second-1 insulation section 40d1 and the second hole H2 in the second-2 insulation section 40d2 can be configured to be offset from each other in the radial direction of the insertion space 43. For example, the second hole H2 in the second-2 insulation section 40d2 and the third hole H3 in the second-3 insulation section 40d3 can be configured to be offset from each other in the radial direction of the insertion space 43. For example, the third hole H3 in the second-3 insulation section 40d3 and the fourth hole H4 in the second-4 insulation section 40d4 can be configured to be offset from each other in the radial direction of the insertion space 43. Thus, each of the plurality of holes H1, H2, H3, and H4 in the second insulation body 40d can be sealed from the outside, and multiple air layers can be formed in the second insulation body 40d through the respective holes.

[0326] The fifth portion 40e of the sheet 40 may form at least one layer surrounding the outer side of the second insulation 40d. The plurality of holes H1, H2, H3, and H4 in the second insulation 40d may be sealed from the outside by at least one layer formed by the fifth portion 40e of the sheet 40 on the outer side of the second insulation 40d.

[0327] Therefore, since the second insulating body 40d forms multiple layers around the outside of the conductive track 60, the release of heat generated by the conductive track 60 to the outside of the heater assembly 30 can be minimized, and the insulation performance can be improved.

[0328] Furthermore, since the multiple holes H1, H2, H3 and H4 in the second insulation body 40d are arranged to be staggered in the radial direction of the insertion space 43, and the air layer is formed by each hole, the insulation performance can be improved, and the size can be easily controlled during the thermal fusion process of the heater assembly 30 with multiple layers formed.

[0329] In addition, since the multiple holes H1, H2, H3 and H4 in the second insulation body 40d are sealed from the outside by the sheet 40, the heater assembly 30 can be effectively sealed.

[0330] Figure 42 This is a block diagram of an aerosol generating apparatus 1 according to an embodiment of the present disclosure.

[0331] The aerosol generating device 1 may include a power supply 11, a controller 12, a sensor 13, an output unit 14, an input unit 15, a communication unit 16, a memory 17, and one or more heaters (heater 18 and barrel heater 24). However, the internal structure of the aerosol generating device 1 is not limited to... Figure 42 The internal structure is shown. That is, those skilled in the art will understand that, according to the design of the aerosol generating device 1, the internal structure can be omitted. Figure 42Some of the components shown can be added, or new components can be added.

[0332] Sensor 13 can detect the state of aerosol generating device 1 or the state around aerosol generating device 1, and can send information about the detected state to controller 12. Based on the information about the detected state, controller 12 can control aerosol generating device 1 to perform various functions, such as controlling the operation of cylinder heater 24 and / or heater 18, smoke restriction, determining whether rod S and / or cylinder 19 are inserted, and notification display.

[0333] Sensor 13 may include at least one of temperature sensor 131, suction sensor 132, insertion detection sensor 133, reusability detection sensor 134, movement detection sensor 137, or humidity sensor 138.

[0334] Temperature sensor 131 can detect the temperature to which the barrel heater 24 and / or heater 18 is heated. The aerosol generating apparatus 1 may include a separate temperature sensor configured to detect the temperature of the barrel heater 24 and / or heater 18, or the barrel heater 24 and / or heater 18 itself may be used as a temperature sensor.

[0335] Temperature sensor 131 can output a signal corresponding to the temperature of barrel heater 24 and / or heater 18. For example, temperature sensor 131 may include a resistive element whose resistance value changes according to the temperature of barrel heater 24 and / or heater 18. The temperature sensor can be implemented as a thermistor, which is a component characterized by its resistance changing with temperature. In this case, temperature sensor 131 can output a signal corresponding to the resistance value of the resistive element as a signal corresponding to the temperature of barrel heater 24 and / or heater 18. For example, temperature sensor 131 can be configured as a sensor for detecting the resistance value of barrel heater 24 and / or heater 18. In this case, temperature sensor 131 can output a signal corresponding to the resistance value of barrel heater 24 and / or heater 18 as a signal corresponding to the temperature of barrel heater 24 and / or heater 18.

[0336] Temperature sensor 131 can be disposed around power supply 11 to monitor the temperature of power supply 11. Temperature sensor 131 can be disposed adjacent to power supply 11. For example, temperature sensor 131 can be attached to a surface of a battery that serves as power supply 11. For example, temperature sensor 131 can be mounted on a surface of a printed circuit board.

[0337] Temperature sensor 131 can be disposed in the main body 10 to detect the internal temperature of the main body 10.

[0338] The suction sensor 132 can detect user suction based on various physical changes in the airflow path. The suction sensor 132 can output a signal corresponding to suction. For example, the suction sensor 132 can be a pressure sensor. The suction sensor 132 can output a signal corresponding to the internal pressure of the aerosol generating device 1. Here, the internal pressure of the aerosol generating device 1 can correspond to the pressure of the airflow path through which the gas flows. The suction sensor 132 can be positioned at a location corresponding to the airflow path through which the gas flows in the aerosol generating device 1.

[0339] The rod detection sensor 133 can detect the insertion and / or removal of the rod S. The rod detection sensor may be referred to as an insertion detection sensor. The insertion detection sensor 133 can detect signal changes caused by the insertion and / or removal of the rod S. The insertion detection sensor 133 can be mounted around the insertion space. The insertion detection sensor 133 can detect the insertion and / or removal of the rod S based on changes in the dielectric constant within the insertion space. For example, the insertion detection sensor 133 can be an inductive sensor and / or a capacitive sensor.

[0340] An inductive sensor may include at least one coil. The coil of the inductive sensor may be disposed adjacent to the space. For example, if the magnetic field around the coil through which current flows changes, the characteristics of the current flowing through the coil may change according to Faraday's law of electromagnetic induction. Here, the characteristics of the current flowing through the coil may include the frequency of the alternating current, the current value, the voltage value, the inductance value, the impedance value, etc.

[0341] An inductive sensor can output a signal corresponding to the characteristics of the current flowing through a coil. For example, an inductive sensor can output a signal corresponding to the inductance value of the coil.

[0342] A capacitive sensor may include a conductor. The conductor of the capacitive sensor may be disposed adjacent to the insertion space. The capacitive sensor may output a signal corresponding to the electromagnetic properties of the surrounding environment (e.g., the capacitance around the conductor). For example, if a rod S comprising a metal casing is inserted into the insertion space, the electromagnetic properties around the conductor may change due to the casing of the rod S.

[0343] The reuse detection sensor 134 can detect whether the rod S has been reused. The reuse detection sensor 134 can be a color sensor. The color sensor can detect the color of the rod S. The color sensor can also detect the color of a portion of the covering material surrounding the rod S. The color sensor can detect the value of an optical property corresponding to the color of the object based on light reflected from the object. For example, the optical property can be the wavelength of light. The color sensor can be implemented as a component integrated with a proximity sensor, or it can be implemented as a component separately from the proximity sensor.

[0344] At least a portion of the package constituting the stick S may change color due to aerosol. A reusability detection sensor 134 may be positioned corresponding to the location where at least a portion of the package that changes color due to aerosol when the stick S is inserted into the insertion space is positioned. For example, before the user uses the stick S, the color of at least a portion of the package may be a first color. In this case, during the passage of the aerosol generated by the aerosol generating device 1 through the stick S, at least a portion of the package may become wet due to the aerosol, and therefore, the color of at least a portion of the package may change to a second color. After changing from the first color to the second color, the color of at least a portion of the package may remain at the second color.

[0345] The motion detection sensor 137 can detect the movement of the aerosol generating device. The motion detection sensor 137 can be implemented as at least one of an accelerometer or a gyroscope sensor.

[0346] Humidity sensor 138 can detect the humidity of the aerosol generating device and / or the container. Humidity sensor 138 can detect the humidity of the external air and / or the humidity inside the container. Humidity sensor 138 can be implemented as a capacitive sensor, etc. Humidity sensor 138 can be disposed on the outside of the main body 10, or located in the path of the introduced external air, to measure the humidity around the aerosol generating device 1. Humidity sensor 138 can be located in the storage section C0 of the container 19 to measure the humidity inside the container 19.

[0347] In addition to the sensors described above, sensor 13 may also include at least one of a barometric pressure sensor, a magnetic sensor, a position sensor (GPS), or a proximity sensor. Those skilled in the art can intuitively infer the function of the sensor from its name; therefore, a detailed description will be omitted.

[0348] Output unit 14 can output information about the status of aerosol generating device 1 and can provide this information to a user. Output unit 14 may include at least one of display 141, haptic unit 142, or sound output unit 143. However, this disclosure is not limited thereto. If display 141 and touchpad together form a touch screen in a layered structure, then display 141 can be used not only as an output device but also as an input device.

[0349] Display 141 can visually provide a user with information about the aerosol generating apparatus 1. For example, the information about the aerosol generating apparatus 1 may include various information such as the charging / discharging status of the power supply 11, the preheating status of the heater 18, the insertion / removal status of the rod S and / or the barrel 19, the installation / removal status of the upper housing, and the usage restrictions of the aerosol generating apparatus 1 (e.g., detection of abnormal items), and display 141 can output this information externally. For example, display 141 may be in the form of a light-emitting diode (LED) device. For example, display 141 may be a liquid crystal display (LCD), an organic light-emitting display (OLED), etc.

[0350] The tactile unit 142 can convert electrical signals into mechanical or electrical stimulation to provide the user with tactile information about the aerosol generating device 1. For example, if initial power is supplied to the barrel heater 24 and / or heater 18 for a predetermined amount of time, the tactile unit 142 can generate vibrations corresponding to the completion of the initial preheating. The tactile unit 142 may include a vibration motor, a piezoelectric element, or an electrical stimulation device.

[0351] The sound output unit 143 can audibly provide information about the aerosol generating device 1 to the user. For example, the sound output unit 143 can convert electrical signals into acoustic signals and output the acoustic signals to the outside.

[0352] Power source 11 can supply electricity for the operation of aerosol generating apparatus 1. Power source 11 can supply electricity to heat barrel heater 24 and / or heater 18. In addition, power source 11 can supply electricity required for the operation of other components provided in aerosol generating apparatus 1, such as sensor 13, output unit 14, input unit 15, communication unit 16, and memory 17. Power source 11 can be a rechargeable battery or a disposable battery. For example, power source 11 can be a lithium polymer (LiPoly) battery. However, this disclosure is not limited thereto.

[0353] Although Figure 42 Although not shown, the aerosol generating device 1 may also include a power protection circuit. The power protection circuit may be electrically connected to the power supply 11 and may include a switching element.

[0354] The power supply protection circuit can block the electrical path to power supply 11 according to predetermined conditions. For example, when the voltage level of power supply 11 is equal to or higher than a first voltage corresponding to overcharging, the power supply protection circuit can block the electrical path to power supply 11. For example, when the voltage level of power supply 11 is lower than a second voltage corresponding to over-discharging, the power supply protection circuit can block the electrical path to power supply 11.

[0355] Heater 18 can receive power from power source 11 to heat the medium or aerosol generated in the heating rod S. Although in Figure 42 Although not shown, the aerosol generating apparatus 1 may also include a power conversion circuit (e.g., a DC-DC converter) configured to convert the power of the power supply 11 and supply the converted power to the barrel heater 24 and / or the heater 18. Additionally, if the aerosol generating apparatus 1 generates aerosols by induction heating, it may also include a DC-AC converter configured to convert the DC power from the power supply 11 into AC power.

[0356] The controller 12, sensor 13, output unit 14, input unit 15, communication unit 16, and memory 17 can perform their functions using power received from the power supply 11. Although in Figure 42 Not shown, but the aerosol generating device may also include a power conversion circuit configured to convert the power of the power supply 11 and supply the converted power to appropriate components, such as a low-dropout (LDO) circuit or a voltage regulator circuit. Additionally, although in Figure 42 Although not shown, a noise filter can be provided between the power supply 11 and the heater 18. The noise filter can be a low-pass filter. The low-pass filter may include at least one inductor and a capacitor. The cutoff frequency of the low-pass filter may correspond to the frequency of the high-frequency switching current applied from the power supply 11 to the heater 18. The low-pass filter can prevent high-frequency noise components from being applied to the sensor 13, such as the inserted detection sensor 133.

[0357] In one embodiment, the barrel heater 24 and / or heater 18 can be formed of any suitable resistive material. For example, suitable resistive materials can be metals or metal alloys, including titanium, zirconium, tantalum, platinum, nickel, cobalt, chromium, hafnium, niobium, molybdenum, tungsten, tin, gallium, manganese, iron, copper, stainless steel, or nickel-chromium alloys. However, this disclosure is not limited thereto. Additionally, heater 18 can be implemented as a metal wire, a metal plate with conductive tracks, or a ceramic heating element. However, this disclosure is not limited thereto.

[0358] In another embodiment, heater 18 may be an induction heater. For example, heater 18 may include a receiver configured to generate heat through a magnetic field applied by a coil, thereby heating the aerosol-generating material.

[0359] The input unit 15 can receive information input from the user and can output information to the user. For example, the input unit 15 can be a touch panel. The touch panel can include at least one touch sensor configured to detect touch. For example, the touch sensor can include a capacitive touch sensor, a resistive touch sensor, a surface acoustic wave touch sensor, an infrared touch sensor, etc. However, this disclosure is not limited thereto.

[0360] The display 141 and the touch panel can be implemented as an integrated panel. For example, the touch panel can be inserted into the display 141 (top-mounted touch panel or in-unit touch panel). For example, a touch panel can be attached to the display 141 (attached touch panel).

[0361] Meanwhile, the input unit 15 may include buttons, a keyboard, a dome switch, a micro wheel, a micro switch, etc. However, this disclosure is not limited thereto.

[0362] The memory 17 can be hardware that stores various data processed in the aerosol generating device 1. The memory 17 can store data processed and pending processing by the controller 12. The memory 17 can include at least one type of storage medium selected from flash memory, hard disk memory, multimedia card micro-type memory, card type memory (e.g., SD or XD memory), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic storage, magnetic disk, and optical disk. The memory 17 can store data regarding the operating time of the aerosol generating device 1, the maximum number of puffs, the current number of puffs, at least one temperature profile, and the user's smoking pattern.

[0363] The communication unit 16 may include at least one component for communicating with other electronic devices. For example, the communication unit 16 may include at least one of a short-range communication unit or a wireless communication unit.

[0364] Short-range communication units may include Bluetooth communication units, Bluetooth Low Energy (BLE) communication units, near-field communication units, WLAN (Wi-Fi) communication units, Zigbee communication units, Infrared Data Association (IrDA) communication units, Wi-Fi Direct (WFD) communication units, ultra-wideband (UWB) communication units, Ant+ communication units, etc. However, this disclosure is not limited thereto.

[0365] The wireless communication unit may include a cellular network communication unit, an Internet communication unit, a computer network (e.g., a LAN or WAN) communication unit, etc. However, this disclosure is not limited thereto.

[0366] Despite Figure 42Although not shown, the aerosol generating device 1 may also include a connection interface such as a Universal Serial Bus (USB) interface, and can be connected to other external devices via such a connection interface to send and receive information or charge the power supply 11.

[0367] The controller 12 can control the overall operation of the aerosol generating device 1. In one embodiment, the controller 12 may include at least one processor. The processor may be implemented as an array of multiple logic gates, or it may be implemented as a combination of a general-purpose microprocessor and a memory storing a program executable in the microprocessor. Furthermore, those skilled in the art will understand that the processor may be implemented in other forms of hardware.

[0368] Controller 12 can control the power supply from power source 11 to heater 18 to control the temperature of heater 18. Controller 12 can control the temperature of barrel heater 24 and / or heater 18 based on the temperature detected by temperature sensor 131. Controller 12 can control the power supplied to barrel heater 24 and / or heater 18 based on the temperature of barrel heater 24 and / or heater 18. For example, controller 12 can determine the target temperature of barrel heater 24 and / or heater 18 based on temperature profiles stored in memory 17.

[0369] The aerosol generating apparatus 1 may include a power supply circuit (not shown) electrically connected to the power supply 11 between the power supply 11 and the barrel heater 24 and / or heater 18. The power supply circuit may be electrically connected to the barrel heater 24, heater 18, or induction coil 181. The power supply circuit may include at least one switching element. The switching element may be implemented as a bipolar junction transistor (BJT), a field-effect transistor (FET), etc. The controller 12 may control the power supply circuit.

[0370] The controller 12 can control the switching of the switching elements of the power supply circuit to control the power supply. The power supply circuit can be an inverter configured to convert DC power output from the power supply 11 into AC power. For example, the inverter can be composed of a full-bridge circuit or a half-bridge circuit including multiple switching elements.

[0371] The controller 12 can activate the switching element to supply power from the power source 11 to the barrel heater 24 and / or the heater 18. The controller 12 can deactivate the switching element to interrupt the power supply to the barrel heater 24 and / or the heater 18. The controller 12 can control the frequency and / or duty cycle of the current pulses input to the switching element to control the current supplied from the power source 11.

[0372] The controller 12 can control the switching of the switching elements of the power supply circuit to control the voltage output from the power supply 11. A power conversion circuit can convert the voltage output from the power supply 11. For example, the power conversion circuit may include a buck converter configured to step down the voltage output from the power supply 11. For example, the power conversion circuit may be implemented as a buck-boost converter, a Zener diode, etc.

[0373] The controller 12 can control the on / off operation of the switching elements included in the power conversion circuit to control the level of the voltage output from the power conversion circuit. If the switching element remains on, the level of the voltage output from the power conversion circuit can correspond to the level of the voltage output from the power supply 11. The duty cycle for the on / off operation of the switching element can correspond to the ratio of the voltage output from the power conversion circuit to the voltage output from the power supply 11. When the duty cycle for the on / off operation of the switching element decreases, the level of the voltage output from the power conversion circuit may decrease. The heater 18 can heat based on the voltage output from the power conversion circuit.

[0374] The controller 12 can use at least one of pulse width modulation (PWM) scheme or proportional integral derivative (PID) scheme to control the power supply to the heater 18.

[0375] For example, controller 12 can use a PWM scheme to perform control, such that current pulses with a predetermined frequency and a predetermined duty cycle are supplied to heater 18. Controller 12 can control the frequency and duty cycle of the current pulses to control the power supplied to heater 18.

[0376] For example, controller 12 can determine the target temperature to be controlled based on a temperature profile. Controller 12 can use a PID scheme to control the power supplied to heater 18. A PID scheme is a feedback control scheme that uses the difference between the temperature of heater 18 and the target temperature, the value obtained by integrating the difference with respect to time, and the value obtained by differentiating the difference with respect to time.

[0377] The controller 12 can prevent the barrel heater 24 and / or heater 18 from overheating. For example, the controller 12 can control the operation of the power conversion circuit such that when the temperature of the barrel heater 24 and / or heater 18 exceeds a predetermined limit temperature, the power supply to the barrel heater 24 and / or heater 18 is interrupted. For example, when the temperature of the barrel heater 24 and / or heater 18 exceeds the predetermined limit temperature, the controller 12 can reduce the power supplied to the barrel heater 24 and / or heater 18 at a predetermined rate. For example, when the temperature of the barrel heater 24 exceeds the limit temperature, the controller 12 can determine that the aerosol generating material contained in the barrel 19 has been depleted and can interrupt the power supply to the barrel heater 24.

[0378] The controller 12 can control the charging / discharging of the power supply 11. The controller 12 can determine the temperature of the power supply 11 based on the output signal from the temperature sensor 131.

[0379] If the power line is connected to the battery terminal of the aerosol generating device 1, the controller 12 can determine whether the temperature of the power supply 11 is equal to or higher than a first limit temperature, which is a reference temperature at which charging of the power supply 11 is interrupted. When the temperature of the power supply 11 is lower than the first limit temperature, the controller 12 can control the charging of the power supply 11 based on a predetermined charging current. When the temperature of the power supply 11 is equal to or higher than the first limit temperature, the controller 12 can interrupt the charging of the power supply 11.

[0380] When the aerosol generating device 1 is in the on state, the controller 12 can determine whether the temperature of the power supply 11 is equal to or higher than a second limit temperature, which is a reference temperature at which the discharge of the power supply 11 is interrupted. When the temperature of the power supply 11 is lower than the second limit temperature, the controller 12 can control the use of the power stored in the power supply 11. When the temperature of the power supply 11 is equal to or higher than the second limit temperature, the controller 12 can interrupt the use of the power stored in the power supply 11.

[0381] The controller 12 can calculate or determine the remaining electrical power stored in the power supply 11. For example, the controller 12 can calculate or determine the remaining capacity of the power supply 11 based on the voltage and / or current detection values ​​of the power supply 11.

[0382] The controller 12 can use the insertion detection sensor 133 to determine whether the rod S is inserted into the insertion space. The controller 12 can determine that the rod S has been inserted based on the output signal from the insertion detection sensor 133. When it is determined that the rod S has been inserted into the insertion space, the controller 12 can perform control to supply power to the barrel heater 24 and / or heater 18. For example, the controller 12 can supply power to the barrel heater 24 and / or heater 18 based on the temperature profile stored in the memory 17.

[0383] Controller 12 can determine whether rod S has been removed from the insertion space. For example, controller 12 can use insertion detection sensor 133 to determine whether rod S has been removed from the insertion space. For example, controller 12 can determine that rod S has been removed from the insertion space when the temperature of heater 18 is equal to or higher than the limit temperature, or when the slope of the temperature change of heater 18 is equal to or greater than a predetermined slope. Upon determining that rod S has been removed from the insertion space, controller 12 can interrupt the power supply to barrel heater 24 and / or heater 18.

[0384] The controller 12 can control the timing and / or force of the power supplied to the heater 18 based on the state of the rod S detected by the sensor 13. The controller 12 can check a range of levels, including the signal levels from the capacitive sensor, based on a lookup table. The controller 12 can determine the amount of moisture in the rod S based on the checked range of levels.

[0385] When rod S is in a high humidity state, controller 12 can control the time for power supply to heater 18 to increase the preheating time of rod S compared to when rod S is in a normal state.

[0386] The controller 12 can use the reuse detection sensor 134 to determine whether the rod S inserted into the insertion space is a reused rod. For example, the controller 12 can compare the sensed value of the signal from the reuse detection sensor with a first reference range containing a first color, and when the sensed value is within the first reference range, it can determine that the rod S is not a reused rod. For example, the controller 12 can compare the sensed value of the signal from the reuse detection sensor with a second reference range containing a second color, and when the sensed value is within the second reference range, it can determine that the rod S is a reused rod. When it is determined that the rod S is a reused rod, the controller 12 can interrupt the power supply to the barrel heater 24 and / or heater 18.

[0387] The controller 12 can determine whether the aerosol-generating material in the barrel 19 has been depleted. For example, the controller 12 can apply electricity to preheat the barrel heater 24 and / or heater 18, and can determine whether the temperature of the barrel heater 24 exceeds the limit temperature in the preheating section. When the temperature of the barrel heater 24 exceeds the limit temperature, the controller 12 can determine that the aerosol-generating material in the barrel 19 has been depleted. Upon determining that the aerosol-generating material in the barrel 19 has been depleted, the controller 12 can interrupt the power supply to the barrel heater 24 and / or heater 18.

[0388] The controller 12 can use the suction sensor 132 to determine if a user is suctioning. For example, the controller 12 can determine whether suction has occurred based on the sensed value of the signal from the suction sensor 132. For example, the controller 12 can determine the intensity of suction based on the sensed value of the signal from the suction sensor 132. When the number of suctions reaches a predetermined maximum number of suctions or when no suction is detected for a predetermined time period or longer, the controller 12 can interrupt the power supply to the barrel heater 24 and / or heater 18.

[0389] The controller 12 can control the output unit 14 based on the detection results of the sensor 13. For example, when the number of suctions counted by the suction sensor 132 reaches a predetermined number, the controller 12 can notify the user that the operation of the aerosol generating device 1 will soon end via at least one of the display 141, the tactile unit 142, or the sound output unit 143. For example, if it is determined that the rod S is not present in the insertion space, the controller 12 can notify the user of the determination via the output unit 14. For example, if it is determined that the barrel 19 and / or the upper housing are not installed, the controller 12 can notify the user of the determination via the output unit 14. For example, the controller 12 can send information about the temperature of the barrel heater 24 and / or the heater 18 to the user via the output unit 14.

[0390] When a predetermined event is determined to have occurred, the controller 12 can store the history of the corresponding event in the memory 17 and can update the history. Events may include those performed in the aerosol generating apparatus 1, such as the insertion of the detection rod S, the start of the heating rod S, the detection of suction, the termination of suction, the detection of overheating of the barrel heater 24 and / or heater 18, the detection of applying overvoltage to the barrel heater 24 and / or heater 18, the termination of the heating rod S, the on / off operation of the aerosol generating apparatus 1, the start of charging of the power supply 11, the detection of overcharging of the power supply 11, and the termination of charging of the power supply 11. The event history may include the date and time of the event and the corresponding log data. For example, when the predetermined event is the insertion of the detection rod S, the log data corresponding to that event may include data about the value detected by the insertion detection sensor 133. For example, when the predetermined event is the detection of overheating of the barrel heater 24 and / or heater 18, the log data corresponding to the event may include data on the temperature of the barrel heater 24 and / or heater 18, the voltage applied to the barrel heater 24 and / or heater 18, and the current flowing through the barrel heater 24 and / or heater 18.

[0391] The controller 12 can perform control for establishing a communication link with an external device, such as a user's mobile terminal. Upon receiving authentication data from the external device via the communication link, the controller 12 can remove restrictions on the use of at least one function of the aerosol generating device 1. Here, the authentication data may include data indicating that user authentication corresponding to the external device has been completed. The user can perform user authentication through the external device. The external device can determine the validity of user data based on the user's birthday or an identifier indicating the user, and can receive data regarding usage rights of the aerosol generating device 1 from an external server. Based on the usage rights data, the external device can send data indicating that user authentication has been completed to the aerosol generating device 1. When user authentication is completed, the controller 12 can remove restrictions on the use of at least one function of the aerosol generating device 1. For example, when user authentication is completed, the controller 12 can remove restrictions on the use of the heating function for supplying power to the heater 18.

[0392] The controller 12 can send data about the status of the aerosol generating device 1 to an external device via a communication link. Based on the received status data, the external device can output the remaining capacity of the power supply 11 or the operating mode of the aerosol generating device 1 through its display.

[0393] An external device can send a location search request to the aerosol generating device 1 based on an input used to initiate a search for the location of the aerosol generating device 1. Upon receiving a location search request from the external device, the controller 12 can perform control based on the received location search request, causing at least one of the output devices to perform an operation corresponding to the location search. For example, the haptic unit 142 can generate vibration in response to the location search request. For example, the display 141 can output an object corresponding to the location search and its termination in response to the location search request.

[0394] Upon receiving firmware data from an external device, the controller 12 can perform control to update the firmware. The external device can check the current version of the firmware of the aerosol generating device 1 and determine whether a new firmware version exists. Upon receiving an input requesting firmware download, the external device can receive the new firmware data and send the new firmware data to the aerosol generating device 1. Upon receiving the new firmware data, the controller 12 can perform control to update the firmware of the aerosol generating device 1.

[0395] The controller 12 can send data about the values ​​detected by at least one sensor 13 to an external server (not shown) via the communication unit 16, and can receive and store a learning model generated by learning from the detected values ​​through machine learning such as deep learning. The controller 12 can perform operations to determine the user's suction pattern and generate a temperature curve using the learning model received from the server. The controller 12 can store data about the values ​​detected by at least one sensor 13 and data for training an artificial neural network (ANN) in a memory 17. For example, to train the artificial neural network (ANN), the memory 17 can store a database of the various components arranged in the aerosol generating device 1, as well as the weights and biases constituting the structure of the artificial neural network (ANN). The controller 12 can learn from the data stored in the memory 17 about the values ​​detected by at least one sensor 13, the user's suction pattern, and the temperature curve, and can generate at least one learning model for determining the user's suction pattern and generating the temperature curve.

[0396] As described above, according to at least one embodiment of the present disclosure, since the heater assembly is formed such that the thin-film type support, conductive pattern and first heat insulation body disposed on a sheet are rolled together with the sheet, the size of the device can be reduced.

[0397] According to at least one embodiment of the present disclosure, the manufacturing process of the heater assembly can be simplified because the heater assembly is formed such that the thin-film type support, conductive pattern and first heat insulation body disposed on a sheet are rolled together with the sheet.

[0398] According to at least one embodiment of this disclosure, since the first insulating body, together with the sheet, surrounds the outside of the conductive pattern, the heater assembly can be effectively sealed and heat release to the outside can be minimized.

[0399] According to at least one embodiment of this disclosure, the assembly structure of the heater assembly can be simplified because the first insulation is attached to the sheet by thermal fusion.

[0400] According to at least one embodiment of this disclosure, since the stepped portions formed when the sheet is rolled are staggered with each other, it is possible to prevent different degrees of deterioration of parts of the heater assembly.

[0401] According to at least one embodiment of this disclosure, since the stepped portions formed when the sheet is rolled are staggered with each other, the rod inserted into the heater assembly can be heated uniformly.

[0402] According to at least one embodiment of this disclosure, since the thin-film type support defines the insertion space and directly contacts the rod inserted into the insertion space, the heat transfer efficiency to the rod can be improved.

[0403] According to at least one embodiment of this disclosure, the rigidity of the heater assembly can be ensured because the supports at the upper and lower ends of the heater assembly can be fixed.

[0404] According to at least one embodiment of this disclosure, since the heat diffuser is disposed between the receiver and the conductive track and / or outside the conductive track, the heat generated by the conductive track can be uniformly diffused to the receiver and the insertion space due to the heat diffuser.

[0405] According to at least one embodiment of this disclosure, since the heat diffuser is in contact with the surface of the conductive track, the efficiency of heat transfer from the conductive track to the heat diffuser can be improved.

[0406] According to at least one embodiment of this disclosure, the thermal diffusion rate can be increased because the thermal diffuser includes graphene.

[0407] According to at least one embodiment of this disclosure, the heater assembly can be effectively sealed and heat release to the outside can be minimized because the sheet wraps around the outside of the conductive pattern multiple times.

[0408] According to at least one embodiment of this disclosure, since the second insulation surrounds the outside of the conductive pattern, heat release to the outside can be minimized.

[0409] According to at least one embodiment of this disclosure, the insulation performance can be improved because the second insulation body surrounds the outer side of the conductive pattern multiple times.

[0410] According to at least one embodiment of the present disclosure, since the second insulation includes a plurality of holes formed in the sheet and the plurality of holes do not overlap with each other in the radial direction, the insulation performance can be improved and the heating efficiency of the heater assembly can be improved.

[0411] According to at least one embodiment of this disclosure, the heater assembly can be effectively sealed from the outside by sealing the plurality of holes in the second insulation body through the sheet, and the insulation performance can be improved.

[0412] Reference Figures 1 to 42According to one aspect of the present disclosure, the aerosol generating apparatus 1 may include a main body 10, a power supply 11 mounted to the main body 10, and a hollow heater assembly 30 mounted to the main body 10 and providing an insertion space 43 with an opening on one side. The heater assembly 30 may include an elongated sheet 40, a receiver 50, and a conductive track 60 attached to the sheet 40 and configured to generate heat in response to electricity received from the power supply 11. In the case that the receiver 50 and the conductive track 60 are sequentially arranged on the sheet 40 along the longitudinal direction of the sheet 40, the heater assembly 30 may be formed by rolling the sheet 40 in the longitudinal direction of the sheet 40.

[0413] Furthermore, according to another aspect of this disclosure, the aerosol generating apparatus may include a first heat-insulating body 70, and when the support 50, the conductive track 60 and the first heat-insulating body 70 are disposed on a surface 41 of the sheet 40 such that the surface 41 faces the insertion space 43, the heater assembly 30 may be formed by rolling the support 50, the conductive track 60 and the first heat-insulating body 70 together with the sheet 40.

[0414] Furthermore, according to another aspect of this disclosure, the length L3 of the first insulating body 70 defined in the longitudinal direction of the sheet 40 may be greater than the length L2 of the conductive track 60 defined in the longitudinal direction of the sheet 40.

[0415] Furthermore, according to another aspect of this disclosure, the support 50 may surround at least a portion of the insertion space 43, and the heater assembly 30 may be arranged such that the support 50, the conductive track 60, and the first insulation 70 are arranged sequentially from the insertion space 43 in a radially outward direction.

[0416] Furthermore, according to another aspect of this disclosure, the heater assembly 30 may include at least one layer formed by at least a portion of the sheet 40 outside the conductive track 60, and the layer formed by the sheet 40 and the layer formed by the first insulation 70 may be alternately arranged in the radial direction of the insertion space 43.

[0417] Furthermore, according to another aspect of this disclosure, the first insulation 70 may include aerogel and may be thermally fused to the sheet 40.

[0418] Furthermore, according to another aspect of this disclosure, the support 50, the conductive track 60, and the first insulation 70 may be arranged to be spaced apart from each other in the longitudinal direction of the sheet 40.

[0419] Furthermore, according to another aspect of this disclosure, the heater assembly 30 may include a gap G1 formed between one end 51 and the other end 52 of the receiver 50 in the circumferential direction of the insertion space 43, a first step SP1 formed at a position corresponding to one end 64 and the other end 65 of the conductive track 60 in the circumferential direction of the insertion space 43, and a second step SP2 formed at a position corresponding to one end 71 and the other end 72 of the first insulation 70 in the circumferential direction of the insertion space 43. The gap G1, the first step SP1, and the second step SP2 may be arranged to be offset from each other in the radial direction of the insertion space 43.

[0420] Furthermore, according to another aspect of this disclosure, the aerosol generating apparatus may include a thermal diffuser 80, which is configured to overlap with at least one of the support 50 or the conductive track 60 in the thickness direction of the sheet 40, and the thermal diffuser 80 may include graphene.

[0421] Furthermore, according to another aspect of this disclosure, the length L4 of the heat diffuser 80 defined in the longitudinal direction of the sheet 40 may be greater than the length L1 of the support 50 defined in the longitudinal direction of the sheet 40, and the heat diffuser 80 is configured to overlap with the support 50 in the thickness direction of the sheet 40.

[0422] Furthermore, according to another aspect of this disclosure, the receiver 50 may surround at least a portion of the insertion space 43, the heater assembly 30 may include at least one layer formed by the heat diffuser 80, and one surface of the at least one layer formed by the heat diffuser 80 may contact one surface of the conductive track 60.

[0423] Furthermore, according to another aspect of this disclosure, at least one layer may be disposed between the support 50 and the conductive track 60 in the radial direction of the insertion space 43.

[0424] Furthermore, according to another aspect of this disclosure, the aerosol generating apparatus may include a second heat insulation body 40d, which is formed in a predetermined region of the sheet 40 and includes a plurality of holes H1, H2 and H3 formed therein in a spaced-apart manner, and the second heat insulation body 40d may be adjacent to the conductive track 60 in the longitudinal direction of the sheet 40.

[0425] Furthermore, according to another aspect of this disclosure, the second insulating body 40d may overlap with the conductive track 60 in the thickness direction of the sheet 40.

[0426] Furthermore, according to another aspect of this disclosure, the second insulation body 40d may include a second-1 insulation portion 40d1 having a plurality of first holes H1 and a second-2 insulation portion 40d2 connected to the second-1 insulation portion 40d1 and having a plurality of second holes H2.

[0427] Furthermore, according to another aspect of this disclosure, a plurality of first holes H1 may be arranged in at least one row with each other in the longitudinal direction of the sheet 40, and a plurality of second holes H2 may be arranged in at least one row with each other in the longitudinal direction of the sheet 40.

[0428] Furthermore, according to another aspect of this disclosure, at least one row of the plurality of first holes H1 and at least one row of the plurality of second holes H2 may be arranged to be staggered relative to each other in the longitudinal direction of the sheet 40.

[0429] Furthermore, according to another aspect of this disclosure, a plurality of first holes H1 may be arranged in multiple rows in the longitudinal direction of the sheet 40, and the plurality of first holes H1 in adjacent rows may be arranged to be staggered in the width direction of the sheet 40.

[0430] Furthermore, according to another aspect of this disclosure, the support 50 may surround at least a portion of the insertion space 43, and the heater assembly 30 may be configured such that the support 50, the conductive track 60, and the second insulation 40d are arranged sequentially from the insertion space 43 in a radially outward direction.

[0431] Furthermore, according to another aspect of this disclosure, the heater assembly 30 may include at least one layer formed by the second-1 insulating portion 40d1 outside the conductive track 60 and at least one layer formed by the second-2 insulating portion 40d2 outside the second-1 insulating portion 40d1, and the plurality of first holes H1 and the plurality of second holes H2 may be arranged to be offset from each other in the radial direction of the insertion space 43.

[0432] The embodiments or other embodiments described above are not mutually exclusive or different from each other. Any or all elements of the embodiments disclosed above can be combined with each other in configuration or function.

[0433] For example, configuration "A" described in one embodiment and accompanying drawings of this disclosure and configuration "B" described in another embodiment and accompanying drawings of this disclosure can be combined with each other. That is, although the combination between configurations is not directly described, they can be combined except in cases where combination is not possible.

[0434] The detailed description above is not intended to be construed as limiting this disclosure in all respects, and is to be considered by way of example. The scope of this disclosure should be determined by a reasonable interpretation of the appended claims, and all equivalent modifications made without departing from this disclosure should be included in the appended claims.

Claims

1. An aerosol generating apparatus, the aerosol generating apparatus comprising: main body; Power supply installed on the main body; and A hollow heater assembly is mounted to the body, the heater assembly providing an insertion space with an opening on one side. The heater assembly includes: Formed into long, thin sheets; Receiver; and Conductive tracks attached to the sheet are configured to generate heat in response to electrical power received from the power source, and Wherein, when the support and the conductive track are sequentially arranged on the sheet along the longitudinal direction of the sheet, the heater assembly is formed by rolling the sheet in the longitudinal direction of the sheet.

2. The aerosol generating device according to claim 1, wherein the aerosol generating device comprises a first heat insulation body. in, With the support, the conductive track, and the first insulation disposed on one surface of the sheet such that the one surface faces the insertion space, the heater assembly is formed by rolling the support, the conductive track, and the first insulation together with the sheet.

3. The aerosol generating apparatus according to claim 2, wherein, The length of the first insulation defined in the longitudinal direction of the sheet is greater than the length of the conductive track defined in the longitudinal direction of the sheet.

4. The aerosol generating apparatus according to claim 2, wherein, The receiver surrounds at least a portion of the insertion space. The support, the conductive track, and the first heat insulation body are arranged sequentially from the insertion space in a radially outward direction. The heater assembly includes at least one layer formed from at least a portion of the sheet outside the conductive track, and The layers formed by the sheet and the layers formed by the first insulation are alternately arranged in the radial direction of the insertion space.

5. The aerosol generating apparatus according to claim 2, wherein, The first insulation comprises an aerogel and is attached to the sheet by thermal fusion.

6. The aerosol generating apparatus according to claim 2, wherein, The support, the conductive track, and the first insulation are arranged to be spaced apart from each other in the longitudinal direction of the sheet. The heater assembly includes: A gap is formed between one end of the receiver and the other end in the circumferential direction of the insertion space; A first step portion is formed at a position corresponding to one end and the other end of the conductive track in the circumferential direction of the insertion space; and The second step portion is formed at a position corresponding to one end and the other end of the first insulation body in the circumferential direction of the insertion space, and The gap, the first step portion, and the second step portion are arranged to be offset from each other in the radial direction of the insertion space.

7. The aerosol generating apparatus according to claim 1, wherein the aerosol generating apparatus includes a thermal diffuser, the thermal diffuser being arranged to overlap with at least one of the support or the conductive track in the thickness direction of the sheet. in, The thermal diffuser includes graphene.

8. The aerosol generating apparatus according to claim 7, wherein, The length of the heat diffuser defined in the longitudinal direction of the sheet is greater than the length of the support defined in the longitudinal direction of the sheet, and The heat diffuser is configured to overlap with the support in the thickness direction of the sheet.

9. The aerosol generating apparatus according to claim 7, wherein, The receiver surrounds at least a portion of the insertion space. The heater assembly includes at least one layer formed by the heat diffuser, and In this configuration, one surface of the at least one layer formed by the thermal diffuser is in contact with one surface of the conductive track.

10. The aerosol generating apparatus according to claim 9, wherein, The at least one layer is disposed between the support and the conductive track in the radial direction of the insertion space.

11. The aerosol generating apparatus of claim 1, wherein the aerosol generating apparatus includes a second insulation formed in a predetermined region of the sheet, the second insulation including a plurality of holes formed therein in a spaced-apart manner. in, The second insulation is adjacent to the conductive track in the longitudinal direction of the sheet and overlaps with the conductive track in the thickness direction of the sheet.

12. The aerosol generating apparatus according to claim 11, wherein, The second insulation material includes: The second-1 heat insulation portion includes a plurality of first holes formed therein; and A second-2 heat insulation portion is connected to the second-1 heat insulation portion, the second-2 heat insulation portion including a plurality of second holes formed therein.

13. The aerosol generating apparatus according to claim 12, wherein, The plurality of first holes are aligned with each other in at least one row in the longitudinal direction of the sheet. Wherein, the plurality of second holes are aligned with each other in at least one row in the longitudinal direction of the sheet, and Wherein, at least one row of the plurality of first holes and at least one row of the plurality of second holes are arranged to be staggered relative to each other in the longitudinal direction of the sheet.

14. The aerosol generating apparatus according to claim 12, wherein, The plurality of first holes are aligned with each other in multiple rows in the longitudinal direction of the sheet, and The plurality of first holes, including those in two adjacent rows of the multiple rows, are arranged to be staggered relative to each other in the width direction of the sheet.

15. The aerosol generating apparatus according to claim 12, wherein, The receiver surrounds at least a portion of the insertion space. The support, the conductive track, and the second heat insulation body are arranged sequentially from the insertion space in a radially outward direction. The heater assembly includes: At least one layer formed outside the conductive track by the second-1 insulating portion; and At least one layer formed by the second-2 insulating part outside the second-1 insulating part, and The plurality of first holes and the plurality of second holes are arranged to be offset from each other in the radial direction of the insertion space.

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