Aerosol generating apparatus and its operating method

Abstract

According to one embodiment, the aerosol generating device includes a heater for heating a cigarette, a temperature sensor for measuring the temperature of the heater, and a control unit for calculating a heating time of the cigarette using the temperature sensor, comparing the calculated heating time of the cigarette with a preset threshold value, and determining a humidity state of the cigarette. If the heating time is less than the threshold value, the control unit supplies power to the heater with a basic temperature profile, and if the heating time is equal to or greater than the threshold value, supplies power to the heater with a first correction profile.

Description

[Technical Field]

[0001] The present invention relates to an aerosol generating apparatus and a method for operating the same, and more specifically, to an aerosol generating apparatus and a method for operating the same that can distinguish between ordinary cigarettes and over-humidified cigarettes based on the heating rate and provide a temperature profile corresponding to the state of the cigarettes. [Background technology]

[0002] Recently, there has been increasing demand for alternative smoking methods to conventional cigarettes. For example, there is growing demand for methods that generate aerosols by heating the aerosol-generating substances within a cigarette, rather than by burning the cigarette to produce aerosols. As a result, research into heated cigarettes or heated aerosol generators is progressing actively.

[0003] On the other hand, water has a higher specific heat than air, and its heat capacity at the same temperature is even greater than that of air. This can lead to a problem where users feel a greater sense of heat when inhaling aerosols with a high water content compared to inhaling air at the same temperature. [Overview of the project] [Problems that the invention aims to solve]

[0004] The present invention provides an aerosol generating device and a method for operating the same that distinguishes between ordinary cigarettes and over-moistened cigarettes.

[0005] The present invention provides an aerosol generating apparatus and a method for operating the same, which include temperature profiles corresponding to regular cigarettes and over-humidified cigarettes, respectively.

[0006] The present invention provides an aerosol generating apparatus and a method for operating the same, which includes a temperature profile suitable for continuous use.

[0007] The problems that the embodiments aim to solve are not limited to those described above, and any problems not mentioned will be clearly understood by those skilled in the art in which the embodiments pertain, based on this specification and the accompanying drawings. [Means for solving the problem]

[0008] An aerosol generating apparatus according to one embodiment includes a heater for heating a cigarette, a temperature sensor for measuring the temperature of the heater, and a control unit that uses the temperature sensor to calculate the heating time of the cigarette, compares the calculated heating time of the cigarette with a pre-set threshold, and determines the humidity state of the cigarette. The control unit supplies power to the heater using a basic temperature profile if the heating time is less than the threshold, and supplies power to the heater using a first correction profile if the heating time is equal to or greater than the threshold.

[0009] An aerosol generating device according to one embodiment includes the steps of: heating a cigarette with a heater; measuring the temperature of the heater with a temperature sensor; calculating the heating time of the cigarette using the temperature sensor, comparing the calculated heating time of the cigarette with a previously set threshold, and determining the humidity state of the cigarette; and operating the heater with a temperature profile corresponding to the determined cigarette. In the step of determining the humidity state of the cigarette, if the heating time is less than the threshold, the cigarette is determined to be a normal cigarette; if the heating time is equal to or greater than the threshold, the cigarette is determined to be an over-humidified cigarette. In the step of operating the heater, if the heating time is less than the threshold, power is supplied to the heater with a basic temperature profile; if the heating time is equal to or greater than the threshold, power is supplied to the heater with a first correction profile. [Effects of the Invention]

[0010] According to various embodiments of the present disclosure, an aerosol generating device and an operating method thereof are capable of distinguishing between a normal cigarette and an over-humidified cigarette based on the temperature rise time of the cigarette.

[0011] Further, according to various embodiments of the present disclosure, an aerosol generating device and an operating method thereof are capable of providing temperature profiles respectively corresponding to a normal cigarette and an over-humidified cigarette.

[0012] Further, according to various embodiments of the present disclosure, an aerosol generating device and an operating method thereof are capable of providing a temperature profile corresponding to continuous use.

[0013] Effects according to the embodiments are not limited to the effects described above, and effects not mentioned will be clearly understood by those skilled in the art to which the embodiments pertain from the present specification and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] [Figure 1] It is a drawing showing an example where a cigarette is inserted into an aerosol generating device. [Figure 2] It is a drawing showing an example where a cigarette is inserted into an aerosol generating device. [Figure 3] It is a drawing showing an example where a cigarette is inserted into an aerosol generating device. [Figure 4] It is a drawing showing an example of a cigarette. [Figure 5] It is a drawing showing an example of a cigarette. [Figure 6] It is a block diagram showing an aerosol generating device according to another embodiment. [Figure 7A] It is a perspective view showing an external appearance of an aerosol generating device according to one embodiment of the present invention. [Figure 7B] It is a perspective view showing an operating state where some components are separated from the aerosol generating device according to the embodiment illustrated in FIG. 7A. [Figure 8] It is an exemplary diagram for explaining a basic temperature profile of an aerosol generating device. [Figure 9A] This is an illustrative diagram illustrating the first correction profile of the aerosol generator. [Figure 9B] This is an illustrative diagram illustrating the second correction profile of the aerosol generator. [Figure 10A] This flowchart illustrates the operation method of an aerosol generator according to one embodiment, which takes into account the humidity state of the cigarette. [Figure 10B] This flowchart illustrates the operation method of an aerosol generator according to another embodiment that takes into account the humidity state of the cigarette. [Figure 11] This flowchart explains how to operate an aerosol generator that determines whether a cigarette has been used continuously. [Modes for carrying out the invention]

[0015] The terminology used in the embodiments has been selected, as far as possible, to be common and widely used terms, taking into account the function of the present invention, although this may vary depending on the intent of the articulators, case law, the emergence of new technologies, etc. In certain cases, the applicant has also arbitrarily selected some terms, in which case their meaning will be described in detail in the description of the invention. Therefore, the terms used in the present invention are not merely names of terms, but must be defined based on the meaning of the term and the overall content of this disclosure.

[0016] Throughout the specification, when a part "includes" a component, it means, unless otherwise specified, that it does not exclude other components, but rather that it may include other components. Furthermore, terms such as "...part" and "...module" used in the specification mean a unit that processes at least one function or operation, which may be embodied by hardware or software, or by a combination of hardware and software.

[0017] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings so that they can be easily implemented by a person with ordinary skill in the art to which the present invention pertains. However, the present invention can be embodied in a variety of different forms and is not limited to the embodiments described herein.

[0018] Embodiments of the present invention will be described in detail below with reference to the drawings.

[0019] Figures 1 through 3 show examples of a cigarette being inserted into an aerosol generator.

[0020] Referring to Figure 1, the aerosol generator 1 includes a battery 11, a control unit 12, and a heater 13. Referring to Figures 2 and 3, the aerosol generator 1 further includes a vaporizer 14. A cigarette 2 can also be inserted into the internal space of the aerosol generator 1.

[0021] The aerosol generator 1 shown in Figures 1 to 3 illustrates the components related to this embodiment. Therefore, a person with ordinary skill in the technical field related to this embodiment will understand that the aerosol generator 1 also includes other general-purpose components in addition to those shown in Figures 1 to 3.

[0022] Furthermore, although Figures 2 and 3 show that the aerosol generator 1 includes a heater 13, the heater 13 may be omitted if necessary.

[0023] Figure 1 shows the battery 11, control unit 12, and heater 13 arranged in a row. Figure 2 shows the battery 11, control unit 12, vaporizer 14, and heater 13 arranged in a row. Figure 3 shows the vaporizer 14 and heater 13 arranged in parallel. However, the internal structure of the aerosol generator 1 is not limited to what is shown in Figures 1 to 3. That is, the arrangement of the battery 11, control unit 12, heater 13, and vaporizer 14 can be changed depending on the design of the aerosol generator 1.

[0024] When a cigarette 2 is inserted into the aerosol generator 1, the aerosol generator 1 can activate the heater 13 and / or vaporizer 14 to generate an aerosol. The aerosol generated by the heater 13 and / or vaporizer 14 is transmitted to the user through the cigarette 2.

[0025] If necessary, the aerosol generator 1 can heat the heater 13 even when the cigarette 2 is not inserted into the aerosol generator 1.

[0026] The battery 11 supplies power used to operate the aerosol generator 1. For example, the battery 11 can supply power to heat the heater 13 or the vaporizer 14, and can also supply power necessary for the operation of the control unit 12. In addition, the battery 11 can supply power necessary for the operation of the display, sensors, motors, etc., provided in the aerosol generator 1.

[0027] The control unit 12 controls the overall operation of the aerosol generator 1. Specifically, the control unit 12 controls the operation of not only the battery 11, heater 13, and vaporizer 14, but also other components included in the aerosol generator 1. Furthermore, the control unit 12 can check the status of each component of the aerosol generator 1 and determine whether or not the aerosol generator 1 is in an operational state.

[0028] The control unit 12 includes at least one processor. The processor can also be embodied by an array of numerous logic gates, or by a combination of a general-purpose microprocessor and memory in which a program executed by the microprocessor is stored. Furthermore, as anyone with ordinary skill in the art to which this embodiment belongs will understand, it can also be embodied by other forms of hardware.

[0029] The heater 13 can be heated by power supplied from the battery 11. For example, if a cigarette is inserted into the aerosol generator 1, the heater 13 may be located outside the cigarette. Therefore, the heated heater 13 can raise the temperature of the aerosol-generating material inside the cigarette.

[0030] The heater 13 is also an electrical resistance heater. For example, the heater 13 may include a conductive track, and the heater 13 may be heated by the flow of current through the conductive track. However, the heater 13 is not limited to the above example, and can be any heater that heats up to a desired temperature. Here, the desired temperature may be pre-set in the aerosol generator 1, or it may be set to a desired temperature by the user.

[0031] On the other hand, as another example, heater 13 is also an induction heater. Specifically, heater 13 includes a conductive coil for heating a cigarette by induction heating, and the cigarette may include a susceptor that can be heated by the induction heater.

[0032] For example, the heater 13 includes a tubular heating element, a plate-shaped heating element, a needle-shaped heating element, or a rod-shaped heating element, and the inside or outside of the cigarette 2 can be heated depending on the shape of the heating element.

[0033] Furthermore, the aerosol generator 1 may have multiple heaters 13. In this case, the multiple heaters 13 may be arranged to be inserted inside the cigarette 2, or to be arranged outside the cigarette 2. Alternatively, some of the multiple heaters 13 may be inserted inside the cigarette 2, while the rest are arranged outside the cigarette 2. Also, the shape of the heater 13 is not limited to the shapes shown in Figures 1 to 3, but can be manufactured in a variety of shapes.

[0034] The vaporizer 14 heats the liquid composition to generate an aerosol, which can then be transmitted to the user through the cigarette 2. That is, the aerosol generated by the vaporizer 14 moves along the airflow passage of the aerosol generator 1, and the airflow passage may be configured so that the aerosol generated by the vaporizer 14 is transmitted to the user through the cigarette.

[0035] For example, the vaporizer 14 may include, but is not limited to, a liquid storage unit, a liquid transfer means, and a heating element. For instance, the liquid storage unit, the liquid transfer means, and the heating element may be included in the aerosol generator 1 as independent modules.

[0036] The liquid storage section can store a liquid composition. For example, the liquid composition may be a liquid containing tobacco-containing substances, including volatile tobacco flavor components, or a liquid containing non-tobacco substances. The liquid storage section is manufactured to detach from / adhere to the vaporizer 14 and may be manufactured integrally with the vaporizer 14.

[0037] For example, a liquid composition may include water, solvent, ethanol, plant extracts, fragrances, flavoring agents, or vitamin mixtures. Fragrances may include, but are not limited to, menthol, peppermint, spearmint oil, or various fruit fragrance components. Flavoring agents may include components that provide users with a variety of flavors or aromas. Vitamin mixtures may also be mixtures of at least one of vitamins A, B, C, and E, but are not limited to these. Furthermore, a liquid composition may include aerosol-forming agents such as glycerin and propylene glycol.

[0038] The liquid transfer means can transfer the liquid composition of the liquid storage section to the heating element. For example, the liquid transfer means may be, but is not limited to, a wick such as cotton fibers, ceramic fibers, glass fibers, or porous ceramics.

[0039] A heating element is an element for heating a liquid composition that is transmitted by a liquid transfer means. For example, a heating element may be a metal heating wire, a metal heating plate, a ceramic heater, etc., but is not limited to these. Alternatively, a heating element may be composed of a conductive filament, such as a nichrome wire, and arranged in a structure that is wound around the liquid transfer means. The heating element is heated by an electric current supply, and heat is transferred to the liquid composition in contact with the heating element, thereby heating the liquid composition. As a result, an aerosol may be generated.

[0040] For example, the steam generator 14 is also called a cartomizer or atomizer, but is not limited to these terms.

[0041] On the other hand, the aerosol generator 1 may further include general-purpose components in addition to the battery 11, control unit 12, heater 13, and vaporizer 14. For example, the aerosol generator 1 may include a display capable of outputting visual information and / or a motor for outputting tactile information. The aerosol generator 1 may also include at least one sensor (such as a puff detection sensor, a temperature detection sensor, or a cigarette insertion detection sensor). Furthermore, the aerosol generator 1 may be constructed in such a way that external air can flow in or internal gas can flow out even when a cigarette 2 is inserted.

[0042] Although not shown in Figures 1 to 3, the aerosol generator 1 may be configured with a separate cradle. For example, the cradle may be used to charge the battery 11 of the aerosol generator 1. Alternatively, the heater 13 may be heated when the cradle and the aerosol generator 1 are coupled together.

[0043] Cigarette 2 is similar to a typical combustible cigarette. For example, Cigarette 2 can be divided into a first part containing an aerosol-generating substance and a second part containing a filter, etc. Alternatively, the second part of Cigarette 2 may also contain an aerosol-generating substance. For example, an aerosol-generating substance made in granular or encapsulated form may be inserted into the second part.

[0044] The entire first part may be inserted into the aerosol generator 1, while the second part may be exposed to the outside. Alternatively, only a portion of the first part may be inserted into the aerosol generator 1, or both the entire first part and a portion of the second part may be inserted. The user may inhale the aerosol with the second part in their mouth. In this case, the aerosol is generated as outside air passes through the first part, and the generated aerosol is transmitted to the user's mouth by passing through the second part.

[0045] As an example, outside air may flow in through at least one air passage formed in the aerosol generator 1. For example, the opening and closing of the air passage formed in the aerosol generator 1 and / or the size of the air passage may be adjusted by the user. This allows the amount of atomization, the smoking sensation, etc., to be adjusted by the user. As another example, outside air may flow into the interior of the cigarette 2 through at least one hole formed on the surface of the cigarette 2.

[0046] The following example of cigarette 2 will be explained with reference to Figures 4 and 5.

[0047] Figures 4 and 5 are diagrams showing examples of cigarettes.

[0048] Referring to Figure 4, the cigarette 2 includes a tobacco rod 21 and a filter rod 22. In Figure 4, the filter rod 22 is illustrated as a single segment, but is not limited to that. That is, the filter rod 22 may consist of multiple segments. For example, the filter rod 22 may include a segment for cooling the aerosol and a segment for filtering certain components contained in the aerosol. Also, as needed, the filter rod 22 may further include at least one segment that performs other functions.

[0049] The diameter of cigarette 2 is within the range of 5mm to 9mm, and the length is approximately 48mm, but is not limited thereto. For example, the length of the tobacco rod 21 is approximately 12mm, the length of the first segment of the filter rod 22 is approximately 10mm, the length of the second segment of the filter rod 22 is approximately 14mm, and the length of the third segment of the filter rod 22 is approximately 12mm, but is not limited thereto.

[0050] A cigarette 2 may be packaged by at least one flap 24. The flap 24 may have at least one hole through which external air enters or internal gases exit. For example, a cigarette 2 may be packaged by one flap 24. For example, a cigarette 2 may be packaged in layers by two or more flaps 24. For instance, the tobacco rod 21 may be packaged by a first flap 241, and the filter rod 22 may be packaged by flap 242, 243, and 244. The entire cigarette 2 may then be repackaged by a single flap 245. If the filter rod 22 consists of multiple segments, each segment may be packaged by flap 242, 243, and 244.

[0051] The first and second flaps 241 and 242 can be made from general filter wrapping paper. For example, the first and second flaps 241 and 242 can be porous or non-porous wrapping paper. Alternatively, the first and second flaps 241 and 242 can be made from oil-resistant paper and / or aluminum laminated packaging material.

[0052] The third flap 243 can be made from hard-wound paper. For example, the basis weight of the third flap 243 may be 88 g / m². 2 ~96g / m 2 It falls within the range, preferably 90 g / m². 2 ~94g / m 2 It may fall within this range. Also, the thickness of the third trumpet 243 is within the range of 120 μm to 130 μm, and preferably 125 μm.

[0053] The fourth wrapper 244 may be made of oil-resistant hard wrapping paper. For example, the basis weight of the fourth wrapper 244 is 88g / m 2 ~96g / m 2 , preferably within the range of 90g / m 2 ~94g / m 2 . In addition, the thickness of the fourth wrapper 244 is within the range of 120 μm to 130 μm, and preferably 125 μm.

[0054] The fifth wrapper 245 may be made of sterilized paper (MFW). Here, sterilized paper (MFW) refers to paper specially manufactured such that its tensile strength, water resistance, smoothness and the like are improved compared to ordinary paper. For example, the basis weight of the fifth wrapper 245 is 57g / m 2 ~63g / m 2 within the range, preferably 60g / m 2 . In addition, the thickness of the fifth wrapper 245 is within the range of 64 μm to 70 μm, and preferably 67 μm.

[0055] The fifth wrapper 245 may have a predetermined substance internally added. Here, an example of the predetermined substance may be silicon, but is not limited thereto. For example, silicon has properties such as heat resistance with little change depending on temperature, oxidation resistance against oxidation, resistance to various chemicals, water repellency against water, or electrical insulation. However, even if it is not silicon, as long as the substance has the above-mentioned properties, it can be applied (or coated) on the fifth wrapper 245 without limitation.

[0056] The fifth wrapper 245 can prevent the cigarette 2 from being ignited and combusted. For example, if the tobacco rod 210 is heated by the heater 13, there is a possibility that the cigarette 2 will combust. Specifically, when the temperature rises above the ignition point of any one of the substances contained in the tobacco rod 310, the cigarette 2 may combust. Even in such a case, since the fifth wrapper 245 contains a non-combustible substance, the combustion of the cigarette 2 can be prevented.

[0057] Furthermore, the fifth wrapper 245 can prevent the aerosol generator 1 from being contaminated by substances generated in the cigarette 2. Liquid substances may be generated in the cigarette 2 by the user's puffing. For example, liquid substances (e.g., water) may be generated when the aerosol generated in the cigarette 2 is cooled by the outside air. By wrapping the cigarette 2 with the fifth wrapper 245, liquid substances generated in the cigarette 2 can be prevented from leaking out of the cigarette 2.

[0058] The tobacco rod 21 contains an aerosol-generating substance. For example, the aerosol-generating substance may include, but is not limited to, at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol. The tobacco rod 21 may also contain other additives such as flavoring agents, humectants, and / or organic acids. In addition, a flavoring liquid such as menthol or a humectant may be added to the tobacco rod 21 by spraying it.

[0059] The tobacco rod 21 can be manufactured in various ways. For example, the tobacco rod 21 can be manufactured in sheet form or strand form. Alternatively, the tobacco rod 21 can be made from shredded tobacco obtained by finely cutting a tobacco sheet. Furthermore, the tobacco rod 21 is surrounded by a heat-conducting material. For example, the heat-conducting material can be, but is not limited to, a metal foil such as aluminum foil. For instance, the heat-conducting material surrounding the tobacco rod 21 can uniformly distribute the heat transferred to the tobacco rod 21, improving the thermal conductivity applied to the tobacco rod and thereby improving the tobacco flavor. Additionally, the heat-conducting material surrounding the tobacco rod 21 can function as a susceptor heated by an induction heater. Although not shown in the drawings, the tobacco rod 21 may further include additional susceptors in addition to the heat-conducting material surrounding its exterior.

[0060] The filter rod 22 is also a cellulose acetate filter. On the other hand, there are no restrictions on the shape of the filter rod 22. For example, the filter rod 22 can be a cylindrical rod, a tubular rod containing a hollow interior, or a recessed rod. If the filter rod 22 is composed of multiple segments, at least one of the segments may be made to have a different shape.

[0061] The first segment of the filter rod 22 is also a cellulose acetate filter. For example, the first segment is a tubular structure containing a hollow interior. When the heater 13 is inserted through the first segment, it prevents the internal material of the tobacco rod 21 from being pushed backward and can also generate an aerosol cooling effect. The diameter of the hollow interior of the first segment can be an appropriate diameter within the range of 2 mm to 4.5 mm, but is not limited thereto.

[0062] The length of the first segment may be set to an appropriate length within the range of 4 mm to 30 mm, but is not limited thereto. Preferably, the length of the first segment may be 10 mm, but is not limited thereto.

[0063] The hardness of the first segment can be adjusted by controlling the plasticizer content during its manufacture. Alternatively, the first segment can be manufactured by inserting a structure such as a film or tube of the same or different material into its interior (e.g., hollow).

[0064] The second segment of the filter rod 22 cools the aerosol generated when the heater 13 heats the tobacco rod 21. Thus, the user can inhale the aerosol cooled to a suitable temperature.

[0065] The length or diameter of the second segment can be determined in various ways depending on the form of cigarette 2. For example, the length of the second segment can be appropriately adopted within the range of 7 mm to 20 mm. Preferably, the length of the second segment can be as long as approximately 14 mm, but is not limited to that.

[0066] The second segment may be made by weaving polymer fibers. In this case, a fragrance solution may be applied to the polymer fibers. Alternatively, the second segment may be made by weaving together a separate fiber coated with a fragrance solution and a polymer fiber. Alternatively, the second segment may be formed from a rolled polymer sheet.

[0067] For example, polymers can be made from materials selected from the group consisting of polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polyethylene terephthalate (PET), polylactic acid (PLA), cellulose acetate (CA), and aluminum foil.

[0068] Since the second segment is formed from woven polymer fibers or a crimped polymer sheet, the second segment may include one or more longitudinally extending channels, where a channel means a passage through which a gas (e.g., air or aerosol) passes.

[0069] For example, the second segment, which consists of a rolled polymer sheet, may be formed from a material having a thickness between approximately 5 μm and approximately 300 μm, for example, between approximately 10 μm and approximately 250 μm. The total surface area of ​​the second segment is approximately 300 mm². 2 / mm and approximately 1000mm 2 It can also be as far as / mm. Furthermore, the aerosol cooling element has a surface area of ​​approximately 10mm². 2 / mg and approximately 100mm 2 It can be formed from materials between / mg.

[0070] On the other hand, the second segment may contain threads containing volatile flavor components. Here, the volatile flavor components may be menthol, but are not limited to it. For example, the threads may be filled with a sufficient amount of menthol so that 1.5 mg or more of menthol is provided to the second segment.

[0071] The third segment of the filter rod 22 is also a cellulose acetate filter. The length of the third segment can be appropriately set within the range of 4 mm to 20 mm. For example, the length of the third segment can be as long as approximately 12 mm, but is not limited to that.

[0072] During the manufacturing process of the third segment, it may be manufactured so that flavor is generated by spraying a flavoring liquid onto the third segment. Alternatively, a separate fiber coated with a flavoring liquid may be inserted into the interior of the third segment. The aerosol generated in the tobacco rod 21 is cooled by passing through the second segment of the filter rod 22, and the cooled aerosol can be transmitted to the user via the third segment. Therefore, when a flavoring element is added to the third segment, the persistence of the flavor transmitted to the user may be enhanced.

[0073] Furthermore, the filter rod 22 may contain at least one capsule 23. Here, the capsule 23 may perform the function of generating flavor and the function of generating aerosol. For example, the capsule 23 is also a structure that encloses a liquid containing a flavor with a coating. The capsule 23 may be spherical or cylindrical, but is not limited thereto.

[0074] Referring to Figure 5, the cigarette 3 may further include a front plug 33. The front plug 33 may be located on the tobacco rod 31 on one side opposite to the filter rod 32. The front plug 33 can prevent the tobacco rod 31 from detaching to the outside and prevent liquefied aerosol from the tobacco rod 31 during smoking from flowing into the aerosol generator (Figures 1 to 3, 1).

[0075] The filter rod 32 may include a first segment 321 and a second segment 322. Here, the first segment 321 may correspond to the first segment of the filter rod 22 in Figure 4, and the second segment 322 may correspond to the third segment of the filter rod 22 in Figure 4.

[0076] The diameter and overall length of cigarette 3 may correspond to the diameter and overall length of cigarette 2 in Figure 4. For example, the length of the front plug 33 may be approximately 7 mm, the length of the tobacco rod 31 may be approximately 15 mm, the length of the first segment 321 may be approximately 12 mm, and the length of the second segment 322 may be approximately 14 mm, but are not limited to these dimensions.

[0077] A cigarette 3 may be packaged by at least one flap 35. The flap 35 may have at least one hole through which external air enters or internal gases exit. For example, the front plug 33 may be packaged by a first flap 351, the tobacco rod 31 by a second flap 352, the first segment 321 by a third flap 353, and the second segment 322 by a fourth flap 354. The entire cigarette 3 may then be repackaged by a fifth flap 355.

[0078] Furthermore, at least one perforation 36 may be formed in the fifth trumpet 355. For example, the perforation 36 may be formed in the region surrounding the tobacco rod 31, but is not limited thereto. The perforation 36 can serve to transfer the heat generated by the heater 13 shown in Figures 2 and 3 into the interior of the tobacco rod 31.

[0079] Furthermore, the second segment 322 may include at least one capsule 34. Here, the capsule 34 may perform the function of generating flavor and the function of generating aerosol. For example, the capsule 34 is also a structure that encloses a liquid containing flavor with a coating. The capsule 34 may, but is not limited to, a spherical or cylindrical shape.

[0080] The first wrapper 351 is also a general filter paper to which a metal foil, such as aluminum foil, is bonded. For example, the overall thickness of the first wrapper 351 is within the range of 45 μm to 55 μm, and preferably 50.3 μm. The thickness of the metal foil of the first wrapper 351 is within the range of 6 μm to 7 μm, and preferably 6.3 μm. The basis weight of the first wrapper 351 is 50 g / m².2 ~55g / m 2 It falls within the range, preferably 53 g / m². 2 But so.

[0081] The second and third flaps 352 and 353 can be made from general filter paper. For example, the second and third flaps 352 and 353 can be porous or non-porous paper.

[0082] For example, the porosity of the second flank 352 is 35,000 CU, but is not limited to that. Also, the thickness of the second flank 352 is within the range of 70 μm to 80 μm, preferably 78 μm. Furthermore, the basis weight of the second flank 352 is 20 g / m². 2 ~25g / m 2 It falls within the range, preferably 23.5 g / m². 2 But so.

[0083] For example, the porosity of the third flank 353 is 24,000 CU, but is not limited to that. Also, the thickness of the third flank 353 is within the range of 60 μm to 70 μm, preferably 68 μm. Furthermore, the basis weight of the third flank 353 is 20 g / m². 2 ~25g / m 2 It is included within the range, preferably 21 g / m² 2 But so.

[0084] The fourth flap 354 can be made from PLA laminate. Here, PLA laminate means a triple layer of paper including a paper layer, a PLA layer, and a paper layer. For example, the thickness of the fourth flap 354 is within the range of 100 μm to 120 μm, and preferably 110 μm. The basis weight of the fourth flap 354 is 80 g / m². 2 ~100g / m 2 It falls within the range, preferably 88 g / m² 2 But so.

[0085] The fifth trumpet 355 can be made from sterile paper (MFW). Here, sterile paper (MFW) refers to paper specially manufactured to have improved tensile strength, water resistance, smoothness, etc., compared to ordinary paper. For example, the basis weight of the fifth trumpet 355 is 57 g / m². 2 ~63g / m 2 It is included within the range, preferably 60 g / m². 2 Furthermore, the thickness of the fifth trumpet 355 is within the range of 64 μm to 70 μm, and preferably 67 μm.

[0086] The fifth trumpet 355 may have a predetermined substance added to it. Here, an example of a predetermined substance is silicon, but it is not limited to silicon. For example, silicon has properties such as heat resistance with little change due to temperature, oxidation resistance that prevents oxidation, resistance to various chemicals, water repellency, or electrical insulation. However, even if it is not silicon, any substance having the above-mentioned properties may be applied (or coated) to the fifth trumpet 355 without limitation.

[0087] The front plug 33 can be made from cellulose acetate. For example, the front plug 33 can be made by adding a plasticizer (e.g., triacetin) to cellulose acetate tow. The mono denier of the filament constituting the cellulose acetate tow is in the range of 1.0 to 10.0, preferably in the range of 4.0 to 6.0. More preferably, the mono denier of the filament of the front plug 33 is also 5.0. The cross-section of the filament constituting the front plug 33 is also Y-shaped. The total denier of the front plug 33 is in the range of 20,000 to 30,000, preferably in the range of 25,000 to 30,000. More preferably, the total denier of the front plug 33 is also 28,000.

[0088] Furthermore, if necessary, the front plug 33 may include at least one channel, and the cross-sectional shape of the channel can be manufactured in a variety of ways.

[0089] The tobacco rod 31 can correspond to the tobacco rod 21 described above, as shown in Figure 4. Therefore, a detailed explanation of the tobacco rod 31 will be omitted below.

[0090] The first segment 321 may be made of cellulose acetate. For example, the first segment may also be a tubular structure containing a hollow interior. The first segment 321 may be made by adding a plasticizer (e.g., triacetin) to cellulose acetate tow. For example, the monodenier and total denier of the first segment 321 may be the same as the monodenier and total denier of the front plug 33.

[0091] The second segment 322 may be made of cellulose acetate. The monodenier of the filaments constituting the second segment 322 is in the range of 1.0 to 10.0, preferably in the range of 8.0 to 10.0. More preferably, the monodenier of the filaments of the second segment 322 is also 9.0. The cross-section of the filaments of the second segment 322 is also Y-shaped. The total denier of the second segment 322 is in the range of 20,000 to 30,000, preferably in the range of 25,000.

[0092] Figure 6 is a block diagram showing an aerosol generating apparatus according to another embodiment.

[0093] The aerosol generator 600 may include a control unit 610, a sensing unit 620, an output unit 630, a battery 640, a heater 650, a user input unit 660, a memory 670, and a communication unit 680. However, the internal structure of the aerosol generator 600 is not limited to that shown in Figure 6. In other words, a person with ordinary skill in the art related to this embodiment will understand that depending on the design of the aerosol generator 600, some of the components shown in Figure 6 may be omitted or new components may be added.

[0094] The sensing unit 620 can sense the state of the aerosol generator 600 or the state of the area around the aerosol generator 600 and transmit the sensed information to the control unit 610. Based on the sensed information, the control unit 610 can control the aerosol generator 600 so that various functions are performed, such as controlling the operation of the heater 650, restricting smoking, determining whether or not an aerosol product (e.g., cigarettes, cartridges, etc.) has been inserted, and displaying notifications.

[0095] The sensing unit 620 may include, but is not limited to, at least one of the temperature sensor 622, insertion sensing sensor 624, puff sensor 626, and humidity sensing sensor 628.

[0096] The temperature sensor 622 may sense the temperature at which the heater 650 (or the aerosol-generating material) is heated. The aerosol generator 600 may include a separate temperature sensor that senses the temperature of the heater 650, or the heater 650 itself may perform the role of a temperature sensor. Alternatively, the temperature sensor 622 may also be positioned around the battery 640 to monitor its temperature.

[0097] The temperature sensor 622 can measure the temperature at which the heater 650 (or aerosol-generating substance) is heated and provide the measured temperature to the control unit 610. The control unit 610 can use the temperature sensor 622 to calculate the time (or heating time) it takes for the measured temperature to reach the temperature at which the aerosol-generating substance volatilizes, compare the calculated heating time with a previously set threshold value, and determine the humidity state of the cigarette (2 in Figure 2). The control unit 610 can control the power supplied to the heater 650 based on the determined humidity state of the cigarette.

[0098] The insertion sensing sensor 624 can detect the insertion and / or removal of aerosol products. For example, the insertion sensing sensor 624 includes at least one of a film sensor, a pressure sensor, a light sensor, a resistive sensor, a capacitive sensor, an inductive sensor, and an infrared sensor, and can detect a signal change due to the insertion and / or removal of aerosol products.

[0099] The puff sensor 626 can detect a user's puff based on various physical changes in the airflow passage or airflow channel. For example, the puff sensor 626 can detect a user's puff based on any one of the following: temperature changes, flow rate changes, voltage changes, and pressure changes.

[0100] In one embodiment, the humidity sensor 628 can directly measure the amount of moisture contained in a cigarette (Figure 2, 2) and provide the measured humidity information to the control unit 610. For example, the humidity sensor 628 may be placed in the containment passage (1004h in Figure 7A) of the aerosol generator 600. In another embodiment, the humidity sensor 628 can measure the amount of moisture condensed around the cigarette (Figure 2, 2) after it has been heated. Over-humidified cigarettes evaporate more moisture when heated than ordinary cigarettes. As a result, when heating an over-humidified cigarette, more condensation may occur than with an ordinary cigarette. For example, the humidity sensor 628 may be placed around an external opening (1002p in Figure 7A) that overlaps with the containment passage (1004h in Figure 7A) of the aerosol generator 600, or on the door (1003 in Figure 7A).

[0101] The humidity sensor 628 is one of the following: an electrical resistance sensor, a capacitive sensor, or an optical sensor. However, this is merely an example, and the humidity sensor 628 is not limited to these.

[0102] In addition to the aforementioned sensors (temperature sensor 622, insertion sensor 624, puff sensor 626, and humidity sensor 628), the sensing unit 620 may further include at least one of the following: a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a gyroscope sensor, a position sensor (e.g., GPS), a proximity sensor, and an RGB sensor (illuminance sensor). The function of each sensor can be intuitively inferred by an average engineer from its name, so a detailed explanation may be omitted.

[0103] The output unit 630 can output and provide to the user information relating to the status of the aerosol generator 600. The output unit 630 may include, but is not limited to, at least one of the display unit 632, the haptic unit 634, and the acoustic output unit 636. When the display unit 632 and the touchpad are configured as a touchscreen in a layered structure, the display unit 632 can be used as an input device in addition to an output device.

[0104] The display unit 632 visually provides the user with information related to the aerosol generator 600. For example, information related to the aerosol generator 600 can include various types of information such as the charging / discharging status of the battery 640 of the aerosol generator 600, the preheating status of the heater 650, the insertion / removal status of aerosol products, or a state in which the use of the aerosol generator 600 is restricted (e.g., detection of abnormal items), and the display unit 632 can output this information to the outside. The display unit 632 can also be, for example, a liquid crystal display panel (LCD), an organic light-emitting display panel (OLED), or an LED light-emitting element.

[0105] The haptic unit 634 converts electrical signals into mechanical or electrical stimuli, providing the user with tactile information related to the aerosol generator 600. For example, the haptic unit 634 may include a motor, a piezoelectric element, or an electrical stimulator.

[0106] The acoustic output unit 636 provides the user with auditory information related to the aerosol generator 600. For example, the acoustic output unit 636 can convert electrical signals into acoustic signals and output them externally.

[0107] The battery 640 may supply power used to operate the aerosol generator 600. The battery 640 may supply power to heat the heater 650. The battery 640 may also supply power necessary for the operation of other components within the aerosol generator 600 (e.g., the sensing unit 620, the output unit 630, the user input unit 660, the memory 670, and the communication unit 680). The battery 640 may be a rechargeable battery or a disposable battery. For example, the battery 640 may be a lithium polymer (LiPoly) battery, but is not limited to that.

[0108] The heater 650 can be powered by the battery 640 to heat the aerosol-generating material. Although not shown in Figure 6, the aerosol generator 600 may further include a power conversion circuit (e.g., a DC / DC converter) that converts the power from the battery 640 and supplies it to the heater 650. Furthermore, if the aerosol generator 600 generates aerosols using an induction heating method, the aerosol generator 600 may further include a DC / AC converter that converts the DC power supply of the battery 640 into an AC power supply.

[0109] The control unit 610, sensing unit 620, output unit 630, user input unit 660, memory 670, and communication unit 680 can perform their functions by being powered by the battery 640. Although not shown in Figure 6, the system may further include power conversion circuits, such as an LDO (low dropout) circuit or a voltage regulator circuit, that convert the power from the battery 640 and supply it to each component.

[0110] In one embodiment, the heater 650 may consist of any suitable electrical-resistant material. For example, suitable electrical-resistant materials may include, but are not limited to, metals or metal alloys, including titanium, zirconium, tantalum, platinum, nickel, cobalt, chromium, hafnium, niobium, molybdenum, tungsten, tin, gallium, manganese, iron, copper, stainless steel, and nichrome. The heater 650 may also be embodied by, but are not limited to, a metal heating wire, a metal heating plate on which conductive tracks are arranged, or a ceramic heating element.

[0111] In other embodiments, the heater 650 is also an induction heating heater. For example, the heater 650 may include a susceptor that generates heat via a magnetic field applied by a coil to heat the aerosol-generating material.

[0112] In one embodiment, the heater 650 may include a plurality of heaters. For example, the heater 650 may include a first heater for heating a cigarette and a second heater for heating a liquid.

[0113] The user input unit 660 receives information input from the user or outputs information to the user. For example, the user input unit 660 may be a keypad, dome switch, touchpad (using contact-type capacitive, pressure-type resistive, infrared sensing, surface ultrasonic conduction, integral tension measurement, piezoelectric effect, etc.), jog wheel, jog switch, etc., but is not limited to these. Although not shown in Figure 6, the aerosol generator 600 also includes a connection interface such as a USB (universal serial bus) interface, and can connect to other external devices via a connection interface such as a USB interface to send and receive information or charge the battery 640.

[0114] Memory 670 is hardware that stores various data (e.g., temperature profiles) processed within the aerosol generator 600, and can store data processed by the control unit 610 and data being processed. Memory 670 may include at least one type of recording medium from among flash memory type, hard disk type, multimedia card micro type, card type memory (e.g., SD or XD memory), RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic disk, and optical disk. Memory 670 can store data such as the operating time of the aerosol generator 600, the maximum number of puffs, the current number of puffs, at least one temperature profile, and data related to the user's smoking pattern.

[0115] The communication unit 680 may include at least one component for communication with other electronic devices. For example, the communication unit 680 may include a short-range communication unit 682 and a wireless communication unit 684.

[0116] The short-range wireless communication unit 682 may include, but is not limited to, a Bluetooth® communication unit, a BLE (Bluetooth® Low Energy) communication unit, a Near Field Communication unit, a WLAN (Wi-Fi) communication unit, a Zigbee® communication unit, an infrared (IrDA, infrared Data Association) communication unit, a WFD (Wi-Fi Direct) communication unit, a UWB (ultra wideband) communication unit, an Ant+ communication unit, etc.

[0117] The wireless communication unit 684 may include, but is not limited to, a cellular network communication unit, an Internet communication unit, or a computer network (e.g., LAN or WAN) communication unit. The wireless communication unit 684 may verify and authenticate the aerosol generator 600 within the communication network using subscriber information (e.g., an International Mobile Subscriber Identifier (IMSI)).

[0118] The control unit 610 can control the overall operation of the aerosol generator 600. In one embodiment, the control unit 610 may include at least one processor. The processor may be embodied by an array of numerous logic gates and may be embodied by a combination of a general-purpose microprocessor and memory in which a program executed by the microprocessor is stored. It will also be embodied by other forms of hardware, as will be understood by those with ordinary skill in the art to which this embodiment belongs.

[0119] The control unit 610 can control the temperature of the heater 650 by controlling the supply of power from the battery 640 to the heater 650. For example, the control unit 610 can control the power supply by controlling the switching of a switching element between the battery 640 and the heater 650. In another example, the direct heating circuit may control the power supply to the heater 650 by a control command from the control unit 610.

[0120] The control unit 610 can analyze the results sensed by the sensing unit 620 and control subsequent processing. For example, based on the results sensed by the sensing unit 620, the control unit 610 can control the power supplied to the heater 650 so that the operation of the heater 650 is started or stopped. As another example, based on the results sensed by the sensing unit 620, the control unit 610 can control the amount of power supplied to the heater 650 and the power supply time so that the heater 650 is heated to a predetermined temperature or maintains an appropriate temperature.

[0121] The control unit 610 can control the output unit 630 based on the results sensed by the sensing unit 620. For example, if the number of puffs counted via the puff sensor 626 reaches a pre-set number, the control unit 610 will notify the user via at least one of the display unit 632, the haptic unit 634, and the acoustic output unit 636 that the aerosol generator 600 will be shut off immediately.

[0122] The control unit 610 can determine the humidity state of the cigarette using the temperature sensor 622. The control unit 610 can operate the heater 950 with a temperature profile corresponding to the determined humidity state of the cigarette.

[0123] The following section, with reference to Figures 7A to 11, will describe in detail how to distinguish between regular cigarettes and overheated cigarettes based on the heating time of the cigarettes (see Figure 2-2), and how to apply a compensation profile to an aerosol generator and its operating method when the cigarettes are overheated.

[0124] Figure 7A is a perspective view showing the external appearance of an aerosol generating apparatus according to one embodiment of the present invention. Figure 7B is a perspective view showing the operating state of the aerosol generating apparatus according to the embodiment shown in Figure 7A with some components separated.

[0125] Referring to Figure 7A, the aerosol generator 1000 may include a case 1100 and a cover 1002. The cover 1002 is coupled to one end of the case 1100, so that the case 1100 and the cover 1002 together form the appearance of the aerosol generator 1000.

[0126] The case 1100 forms part of the exterior of the aerosol generator 1000 and performs the function of housing and protecting various components inside.

[0127] The cover 1002 and case 1100 can be made from plastic materials that do not conduct heat well, or from metal materials coated with a heat-insulating substance on their surface. The cover 1002 and case 1100 can be made, for example, by injection molding, 3D printing, or by assembling small parts made by injection molding.

[0128] A retaining device (not shown) may be provided between the cover 1002 and the case 1100 to maintain the bonded state of the cover 1002 and the case 1100. The retaining device may include, for example, a projection and a groove. The bonded state of the cover 1002 and the case 1100 is maintained by holding the projection in a state inserted into the groove, and a structure may be used in which the projection moves and separates from the groove by an operating button that can be pressed by the user.

[0129] Furthermore, the holding device may include, for example, a magnet and a metal member attached to the magnet. When using a magnet in the holding device, a magnet may be provided on either the case 1100 or the cover 1002, and a metal member attached to the other magnet may be provided; otherwise, a magnet may be provided on both the case 1100 and the cover 1002.

[0130] An external hole 1002p into which a cigarette 2000 is inserted is formed on the upper surface of the cover 1002, which is coupled to the case 1100. A rail 1003r is also formed on the upper surface of the cover 1002 at a position adjacent to the external hole 1002p. A door 1003 is provided on the rail 1003r, which is slidable along the upper surface of the cover 1002. The door 1003 can slide linearly along the rail 1003r.

[0131] As the door 1003 moves along the rail 1003r in the direction of the arrow in Figure 7A, it functions to expose to the outside the external opening 1002p through which the cigarette 2000 passes through the cover 1002 and is inserted into the case 1100, and the insertion opening 1004p. The external opening 1002p of the cover 1002 functions to expose to the outside the insertion opening 1004p of the storage passage 1004h that houses the cigarette 2000.

[0132] If the door 1003 exposes the external opening 1002p to the outside, the user can insert the end 2000b of the cigarette 2000 into the external opening 1002p and the insertion hole 1004p, and then install the cigarette 2000 into the storage passage 1004h formed inside the cover 1002.

[0133] The rail 1003r has a concave groove shape, but the embodiment is not limited by the shape of the rail 1003r. For example, the rail 1003r may have a convex shape and may extend linearly rather than in a straight line.

[0134] A button 1009 is provided in the case 1100. By operating the button 1009, the operation of the aerosol generator 1000 can be controlled.

[0135] When the cover 1002 is joined to the case 1100, an external air inlet gap 1002g is formed at the joint between the cover 1002 and the case 1100, allowing air to flow into the interior of the cover 1002.

[0136] Referring to Figure 7B, with the cigarette 2000 inserted into the aerosol generator 1000, the user can position the cigarette 2000 to their mouth and inhale the aerosol.

[0137] The case 1100 may consist of an upper case 1100a into which the cigarette 2000 is inserted and heated, and a lower case 1100b that supports and protects various internal components. Hereinafter, "case 1100" refers to both the upper case 1100a and the lower case 1100b.

[0138] The cover 1002 can be attached to the case 1100 so as to cover the cigarette support portion 4 which is coupled to the case 1100. Furthermore, the cover 1002 can be separated from the case 1100 if necessary.

[0139] Figure 8 is an illustrative diagram illustrating the basic temperature profile of an aerosol generator.

[0140] Referring to Figures 6 and 8, the control unit 610 of the aerosol generator 600 can use the temperature sensor 622 to calculate the heating time T1 of the cigarette (2000 in Figure 7A), compare the calculated heating time T1 of the cigarette 2000 with a previously set threshold, and determine the humidity state of the cigarette 2000. If the heating time T1 is less than the threshold, the control unit 610 can supply power to the heater 650 using the basic temperature profile TP.

[0141] In this case, the pre-set threshold is the time it takes for the over-humidified cigarette to reach the first target temperature T1, and can be determined experimentally and statistically. Even if the time to reach the first target temperature T1 is greater than or equal to the threshold, if the heater 650 is operated by the basic temperature profile TP, the user may still feel heat due to the moisture contained inside the cigarette 2000.

[0142] As shown in Figure 8, the basic temperature profile TP includes a first preheating section P1 and a first smoking section P2, and the first preheating section P1 and the first smoking section P2 are further subdivided into smaller sections.

[0143] The first preheating section P1 may include a first preheating rise section P11 (or heating time T1) that raises the temperature to a first target temperature T1, a first preheating hold section P12 that maintains the first target temperature T1, and a first preheating fall section P13 that lowers the temperature to a second target temperature T2. The first smoking section P2 may include a first smoking fall section P21a that lowers the temperature to a third target temperature T3, a second smoking fall section P21b that lowers the temperature to a fourth target temperature T4, a third smoking fall section P21c that lowers the temperature to a fifth target temperature T5, and a first smoking hold section P22 that maintains the fifth target temperature T5. Here, we have explained with an example that the first preheating section P1 includes the first preheating rise section P11, the first preheating hold section P12, and the first preheating fall section P13, and the first smoking section P2 includes the first smoking fall section P21a, the second smoking fall section P21b, the third smoking fall section P21c, and the first smoking hold section P22. However, it goes without saying that we are not limited to this, and various modifications are possible depending on the form and type of cigarette or heater.

[0144] Figure 9A is an illustrative diagram illustrating the first correction profile of the aerosol generator.

[0145] Referring to Figures 6, 8, and 9A, the aerosol generator 600 can operate the heater 650 by applying the first correction profile CP1, which will be described later, when it determines that the inserted cigarette (2000 in Figure 7A) is an over-humidified cigarette.

[0146] In one embodiment, the control unit 610 calculates the heating time T2 of the cigarette lighter 2000 using the temperature sensor 622, compares the calculated heating time T2 of the cigarette lighter 2000 with a previously set threshold, and can determine the humidity state of the cigarette lighter 2000. If the heating time T2 is greater than or equal to the threshold, the control unit 610 can supply power to the heater 650 using the first correction profile CP1.

[0147] However, the method for determining the humidity state of the cigarette 2000 is not limited to that. In other embodiments, the control unit 610 can determine the humidity state of the cigarette 2000 using the humidity sensing sensor 628.

[0148] In one embodiment, the humidity sensor 628 can directly measure the amount of moisture contained in the cigarette 2000 and provide the measured humidity information to the control unit 610. For example, the humidity sensor 628 may be placed in the containment passage (1004h in Figure 7A) of the aerosol generator 600. In another embodiment, the humidity sensor 628 can measure the amount of moisture condensed around the cigarette (2 in Figure 2) after the cigarette has been heated. Over-humidified cigarettes evaporate more moisture when heated than ordinary cigarettes. As a result, when heating an over-humidified cigarette, more condensation may occur than with an ordinary cigarette. For example, the humidity sensor 628 may be placed around the external opening (1002p in Figure 7A) that overlaps with the containment passage (1004h in Figure 7A) of the aerosol generator 600, or on the door (1003 in Figure 7A).

[0149] The humidity sensor 628 is one of the following: an electrical resistance sensor, a capacitive sensor, or an optical sensor. However, this is merely an example, and the humidity sensor 628 is not limited to these.

[0150] As shown in Figure 9A, the first correction profile CP1 includes the second preheating section P3 and the second smoking section P4, and the second preheating section P3 and the second smoking section P4 are further subdivided into smaller sections.

[0151] The second preheating section P3 may include a second preheating rise section P31 (or heating time T2) that raises the temperature to a first target temperature T1, a second preheating hold section P32 that maintains the first target temperature T1, a second preheating fall section P33 that lowers the temperature to a fifth target temperature T5, and a third preheating hold section P34 that maintains the fifth target temperature T5. The second smoking section P4 may include a second smoking hold section P41 that maintains the fifth target temperature T5. Here, the second preheating section P2 is explained as including the second preheating rise section P31, the second preheating hold section P32, the second preheating fall section P33, and the third preheating hold section P34, and the second smoking section P4 is explained as including the second smoking hold section P41, but it goes without saying that the explanation is not limited to this and various modifications are possible depending on the form and type of cigarette or heater.

[0152] Referring to Figures 8 and 9A, the second preheating section P3 of the first correction profile CP1 is longer than the first preheating section P1 of the base temperature profile TP.

[0153] Specifically, the second preheating rise section P31 of the first correction profile CP1 is longer than the first preheating rise section P11 of the base temperature profile TP. For example, there may be a difference of about 3-4 seconds between the time T2 when the first target temperature T1 is reached in the first correction profile CP1 and the time T1 when the first target temperature T1 is reached in the base temperature profile TP. In other words, because a humid cigarette contains more moisture than a normal cigarette, the evaporation of the moisture that needs to be heated is slower, and the rate at which the cigarette heats up may also be slower.

[0154] The second preheating and holding section P32 of the first correction profile CP1 is longer than the first preheating and holding section P12 of the base temperature profile TP. This allows more moisture contained inside the cigarette 2000 to evaporate, potentially mitigating the initial feeling of heat.

[0155] Furthermore, the temperature change within the second preheating decline section P33 of the first correction profile CP1 is greater than the temperature change within the first preheating decline section P13 of the basic temperature profile TP. For example, the first preheating decline section P13 changes from the first target temperature T1 to the second target temperature T2, but the second preheating decline section P33 may change from the first target temperature T1 to the fifth target temperature T5. With a regular cigarette, the user is less likely to feel the heat due to the moisture contained inside, so smoking is possible from the second target temperature T2, which is higher than the fifth target temperature T5. However, with a humidified cigarette, the moisture contained inside is even greater than that of a regular cigarette, so the initial feeling of heat can be mitigated by setting an even larger temperature change within the second preheating decline section P33.

[0156] Furthermore, the second preheating section P3 of the first correction profile CP1 may further include a third preheating holding section P34 that maintains a fifth target temperature T5 in order to mitigate the initial feeling of heat.

[0157] Figure 9B is an illustrative diagram illustrating the second correction profile of the aerosol generator.

[0158] Referring to Figures 6, 8, 9A, and 9B, the control unit 610 of the aerosol generator 600 can detect the insertion of a cigarette (2000 in Figure 7A) using the insertion detection sensor 624. When the insertion of the cigarette 2000 is detected, the control unit 610 can check whether the first correction profile CP1 is used when the heater 650 is heated immediately beforehand. For example, the control unit 610 can check whether the first correction profile CP1 is used when the heater 650 is heated immediately beforehand based on the temperature profile usage history stored in the memory 670.

[0159] If the control unit 610 confirms that the first correction profile CP1 was used when the heater 650 was heated immediately beforehand, it can determine whether the heater 650 was used continuously or repeatedly.

[0160] In one embodiment, the control unit 610 can determine whether the heater 650 has been used continuously or repeatedly using the temperature sensor 622.

[0161] If the measured temperature of the heater 650 is below the reference temperature, the control unit 610 determines that it is not in continuous use and re-evaluates the humidity state of the cigarette 2000. For example, the control unit 610 determines the humidity state of the cigarette 2000 using the temperature sensor 622 or the humidity sensing sensor 628. If the control unit 610 determines that the humidity state of the cigarette 2000 is that of a normal cigarette, it may supply power to the heater 650 using the basic temperature profile TP. If the control unit 610 determines that the humidity state of the cigarette 2000 is that of an over-humidified cigarette, it may supply power to the heater 650 using the first correction profile CP1.

[0162] On the other hand, if the measured temperature of the heater 650 is above the reference temperature, the control unit 610 may consider it to be in continuous use, select the second correction profile CP2, and supply power to the heater 650 using the second correction profile CP2. This is because, if the first correction profile CP1 was selected during the previous smoking event and it was in continuous use, the cigarettes 2000 are typically packaged in units of a specific number (e.g., 20), so the humidity state of the inserted cigarettes 2000 is likely to be that of an over-humidified cigarette.

[0163] In other embodiments, the control unit 610 can determine whether the heater 650 has been used continuously or repeatedly by comparing the interval between the end of the previous smoking event and the time of the current smoking event with a previously set time.

[0164] If the previously set time is exceeded, the control unit 610 can consider it not to be in continuous use and re-evaluate the humidity state of the Cigarette 2000 (selection of basic temperature profile or first correction profile). On the other hand, if it is within the previously set time, it can determine that it is in continuous use (selection of second correction profile).

[0165] As shown in Figure 9B, the second correction profile CP2 includes the third preheating section P5 and the third smoking section P6, which are further subdivided into smaller sections.

[0166] The third preheating section P5 of the second correction profile CP2 may include a third preheating rise section P51 (or heating time T3) that raises to a first target temperature T1, a fourth preheating hold section P52 that maintains the first target temperature T1, a third preheating fall section P53 that lowers to a fifth target temperature T5, and a fifth preheating hold section P54 that maintains the fifth target temperature T5. The third smoking section P6 may include a third smoking hold section P61 that maintains the fifth target temperature T5. Here, the third preheating section P3 is explained as including the third preheating rise section P51, the fourth preheating hold section P52, the third preheating fall section P53, and the fifth preheating hold section P54, and the third smoking section P6 is explained as including the third smoking hold section P61, but it goes without saying that it is not limited to this and various modifications are possible depending on the form and type of cigarette or heater.

[0167] The third preheating section P5 of the second correction profile CP2 is longer than the first preheating section P1 of the base temperature profile TP, and shorter than the second preheating section P3 of the first correction profile CP1.

[0168] Specifically, the fourth preheating interval P52 of the second correction profile CP2 is longer than the first preheating interval P12 of the base temperature profile TP. This allows more moisture contained inside the cigarette 2000 to evaporate, potentially mitigating the initial feeling of heat.

[0169] Furthermore, the temperature change within the third preheating decline section P53 of the second correction profile CP2 may be greater than the temperature change within the first preheating decline section P13 of the basic temperature profile TP. For example, the first preheating decline section P13 changes from the first target temperature T1 to the second target temperature T2, while the third preheating decline section P53 may change from the first target temperature T1 to the fifth target temperature T5. With a regular cigarette, the user is less likely to feel the heat due to the moisture contained inside, so it is possible to smoke from the second target temperature T2, which is higher than the fifth target temperature T5. However, with a humidified cigarette, the moisture contained inside is even greater than that of a regular cigarette, so the initial feeling of heat can be mitigated by setting an even larger temperature change within the second preheating decline section P33.

[0170] Furthermore, the third preheating section P5 of the second correction profile CP2 may further include a fifth preheating holding section P54 that maintains a fifth target temperature T5 in order to mitigate the initial feeling of heat.

[0171] The starting temperature T0 of the second correction profile CP2 is higher than the starting temperature of the first correction profile CP1 (room temperature of approximately 15°C). Therefore, the heating time T3 to reach the first target temperature T1 in the second correction profile CP2 is shorter than the heating time T2 of the first correction profile CP1. In this case, the aerosol generator 600 will initially maintain a high temperature, which poses a problem as it may cause the user to feel excessive heat.

[0172] The second correction profile CP2 can mitigate the initial feeling of heat by making the preheating time after reaching the first target temperature T1 longer than that of the first correction profile CP1.

[0173] Referring to Figures 9A and 9B, the preheating time after reaching the first target temperature T1 in the second correction profile CP2 corresponds to the combined period of the fourth preheating holding section P52, the third preheating descent section P53, and the fifth preheating holding section P54. The preheating time after reaching the first target temperature T1 in the first correction profile CP1 corresponds to the combined period of the second preheating holding section P32, the second preheating descent section P33, and the third preheating holding section P34. Here, the combined period of the fourth preheating holding section P52, the third preheating descent section P53, and the fifth preheating holding section P54 is longer than the combined period of the second preheating holding section P32, the second preheating descent section P33, and the third preheating holding section P34. In other words, the third smoking period P6 in the second correction profile CP2 is substantially the same as the second smoking section P4 in the first correction profile CP1.

[0174] Furthermore, the time during which the first target temperature T1 of the second correction profile CP2 is maintained (i.e., the fourth preheating maintenance period P52) can be made shorter than the time during which the first target temperature T1 of the first correction profile CP1 is maintained (i.e., the second preheating maintenance period P32).

[0175] Figure 10A is a flowchart illustrating the operation method of an aerosol generating device according to one embodiment that takes into account the humidity state of the cigarette.

[0176] Referring to Figures 6 to 10A, the operation method of the aerosol generator may include the steps of: heating the cigarette 2000 with the heater 650 (S100); measuring the temperature of the heater 650 with the temperature sensor 622 and calculating the heating time of the cigarette 2000 (S200); comparing the calculated heating time of the cigarette 2000 with a previously set threshold to determine the humidity state of the cigarette 2000 (S300); selecting a temperature profile corresponding to the determined humidity state of the cigarette 2000 (S410, S420); and operating the heater 650 with the selected temperature profile (S500).

[0177] Specifically, in the stage (S100) where the heater 650 heats the cigarette 2000, a humidified cigarette contains more moisture than a normal cigarette, so the evaporation of the moisture that needs to be heated is slower, which can cause a phenomenon in which the rate of heating of the cigarette is slower.

[0178] In the step (S200) of measuring the temperature of the heater 650 with the temperature sensor 622 and calculating the heating time of the cigarette lighter 2000, the control unit 610 can determine the time it takes for the temperature of the heater 650 to reach a pre-set first target temperature T1 as the heating time of the cigarette lighter 2000.

[0179] In the step (S300) of comparing the calculated heating time of the cigarette 2000 with a previously set threshold to determine the humidity state of the cigarette 2000, the control unit 610 determines that the cigarette 2000 is a normal cigarette if the heating time is less than the threshold, and determines that the cigarette 2000 is an over-humidified cigarette if the heating time is equal to or greater than the threshold.

[0180] In this case, the pre-set threshold is the time it takes for the over-humidified cigarette to reach the first target temperature T1, and can be determined experimentally and statistically. If the heater 650 is operated according to the basic temperature profile TP, even though the time to reach the first target temperature T1 is greater than or equal to the threshold, the user may feel the heat due to the moisture contained inside the cigarette 2000.

[0181] In the step of selecting a temperature profile corresponding to the determined humidity state of the cigarette 2000 (S410, S420), the control unit 610 may select the basic temperature profile TP if the heating time is less than the threshold, and select the first correction profile CP1 if the heating time is greater than or equal to the threshold.

[0182] In the step (S500) of operating the heater 650 with the selected temperature profile, the control unit 610 may supply power to the heater 650 using the basic temperature profile TP if the heating time is less than the threshold, and may supply power to the heater 650 using the first correction profile CP1 if the heating time is greater than or equal to the threshold.

[0183] The basic temperature profile TP includes a first preheating section P1 and a first smoking section P2, which are further subdivided into smaller sections. The first correction profile CP1 includes a second preheating section P3 and a second smoking section P4, which are further subdivided into smaller sections.

[0184] The second preheating section P3 of the first correction profile CP1 is longer than the first preheating section P1 of the base temperature profile TP.

[0185] Specifically, the second preheating rise section P31 of the first correction profile CP1 is longer than the first preheating rise section P11 of the base temperature profile TP.

[0186] The second preheating section P32 is longer than the first preheating section P12. This allows more moisture contained inside the cigarette 2000 to evaporate, potentially mitigating the initial feeling of heat.

[0187] Furthermore, the temperature change within the second preheating descent section P33 may be greater than the temperature change within the first preheating descent section P13. With regular cigarettes, the user is less likely to feel the heat due to the moisture contained inside, so smoking is possible from the second target temperature T2, which is higher than the fifth target temperature T5. However, with over-humidified cigarettes, the moisture contained inside is even greater than with regular cigarettes, so the initial feeling of heat can be mitigated by setting an even larger temperature change within the second preheating descent section P33.

[0188] Furthermore, the second preheating section P3 may further include a third preheating holding section P34 that maintains a fifth target temperature T5 in order to mitigate the initial feeling of heat.

[0189] Figure 10B is a flowchart illustrating the operation method of an aerosol generator according to another embodiment that takes into account the humidity state of the cigarette.

[0190] The embodiment shown in Figure 10B differs from the embodiment in Figure 10A, which uses a temperature sensor to determine the humidity state of a cigarette, in that it uses a humidity sensor to determine the humidity state of the cigarette. The remaining configurations are substantially the same. Below, redundant explanations of the same configurations will be omitted, and the differences will be the focus of the explanation.

[0191] Referring to Figures 6 to 10B, the operation method of the aerosol generator may include the steps of: heating the cigarette 2000 with the heater 650 (S110); measuring the humidity of the cigarette 2000 using the humidity sensing sensor 628 (S210); determining the humidity state of the cigarette 2000 by comparing the measured humidity of the cigarette 2000 with a previously set threshold (S310); selecting a temperature profile corresponding to the determined humidity state of the cigarette 2000 (S411, S421); and operating the heater 650 with the selected temperature profile (S510).

[0192] Specifically, in the step of measuring the humidity of the cigarette 2000 using the humidity sensing sensor 628 (S210), the control unit 610 can determine the humidity state of the cigarette 2000 using the humidity sensing sensor 628. In one embodiment, the humidity sensing sensor 628 can directly measure the amount of moisture contained in the cigarette 2000 and provide the measured humidity information to the control unit 610. For example, the humidity sensing sensor 628 can be placed in the containment passage of the aerosol generator 600 (1004h in Figure 7A). In another embodiment, the humidity sensing sensor 628 can measure the amount of moisture condensed around the cigarette (2 in Figure 2) after heating the cigarette. Over-humidified cigarettes evaporate more moisture when heated than ordinary cigarettes. As a result, when heating an over-humidified cigarette than an ordinary cigarette, condensation may occur even more frequently. For example, the humidity sensor 628 may be located around the external opening (1002p in Figure 7A) that overlaps with the containment passage (1004h in Figure 7A) of the aerosol generator 600, or on the door (1003 in Figure 7A).

[0193] The humidity sensor 628 is one of the following: an electrical resistance sensor, a capacitive sensor, or an optical sensor. However, this is merely an example, and the humidity sensor 628 is not limited to these.

[0194] In step S310, where the measured humidity of the cigarette 2000 is compared with a previously set threshold to determine the humidity state of the cigarette 2000, the control unit 610 determines that the cigarette 2000 is a normal cigarette if the measured humidity is below the threshold, and determines that the cigarette 2000 is an over-humidified cigarette if the measured humidity is above the threshold. In this case, the previously set threshold is also the minimum humidity at which the user will feel a sensation of heat due to the moisture contained inside the cigarette 2000 when the user inhales an aerosol.

[0195] In the step of selecting a temperature profile corresponding to the determined humidity state of the cigarette 2000 (S411, S421), the control unit 610 may select the basic temperature profile TP if the measured humidity of the cigarette 2000 is below the threshold, and may select the first correction profile CP1 if the measured humidity of the cigarette 2000 is above the threshold.

[0196] In the step of operating the heater 650 with the selected temperature profile (S510), the control unit 610 may supply power to the heater 650 using the basic temperature profile TP if the measured humidity of the cigarette 2000 is below a threshold, or supply power to the heater 650 using the first correction profile CP1 if the measured humidity of the cigarette 2000 is above a threshold.

[0197] Figure 11 is a flowchart illustrating the operation method of the aerosol generator that determines whether a cigarette has been used continuously. The content described above in Figures 8 through 10B will not be repeated in subsequent explanations.

[0198] Referring to Figures 6 to 11, the operation method of the aerosol generator may include the steps of: sensing the insertion of a cigarette (2000 in Figure 7A) (S1000); confirming whether the first correction profile CP1 was used when heating the heater 650 immediately beforehand (S2000); determining whether the heater 650 is to be used continuously (S3000); selecting a temperature profile corresponding to the determined continuous use state of the heater 650 and / or the humidity state of the cigarette 2000 (S4100, S4200); and operating the heater 650 with the selected temperature profile (S5000).

[0199] Specifically, at the stage (S1000) in which the insertion of a cigarette (2000 in Figure 7A) is detected, the control unit 610 can detect the insertion of the cigarette 2000 using the insertion detection sensor 624.

[0200] In the step (S2000) of checking whether the first correction profile CP1 was used when heating the heater 650 immediately beforehand, the control unit 610 can check whether the first correction profile CP1 was used when heating the heater 650 immediately beforehand based on the temperature profile usage history stored in the memory 670.

[0201] In the step of determining whether the heater 650 is being used continuously (S3000), the control unit 610 can determine whether the heater 650 has been used continuously or repeatedly if it is confirmed that the first correction profile CP1 was used during the immediate prior heating of the heater 650. For example, the control unit 610 can determine whether the heater 650 has been used continuously or repeatedly by using the temperature sensor 622 or by comparing the interval between the end of the immediate prior smoking event and the current smoking event with a pre-set time.

[0202] In the steps of selecting a temperature profile corresponding to the determined continuous use state of the heater 650 and / or the humidity state of the cigarette 2000 (S4100, S4200), and operating the heater 650 with the selected temperature profile (S5000), the control unit 610 can re-determine the humidity state of the cigarette 2000 if it determines that it is not in continuous use. The control unit 610 can determine the humidity state of the cigarette 2000 using the temperature sensor 622 or the humidity sensing sensor 628. If the control unit 610 determines that the humidity state of the cigarette 2000 is that of a normal cigarette, it can supply power to the heater 650 using the basic temperature profile TP, and if it determines that the humidity state of the cigarette 2000 is that of an over-humid cigarette, it can supply power to the heater 650 using the first correction profile CP1. On the other hand, if the control unit 610 determines that continuous use is required, it may select the second correction profile CP2 and supply power to the heater 650 using the second correction profile CP2.

[0203] Thus, the aerosol generator 600 of the present invention can select a temperature profile corresponding to the humidity state and / or continuous use of the cigarette 2000, and operate the heater 650 with the selected temperature profile. As a result, the aerosol generator 600 can mitigate the heat sensation of the mainstream smoke and increase the amount of atomization.

[0204] Those with ordinary skill in the art relating to this embodiment will understand that it can be embodied in modified forms that do not deviate from the essential characteristics described above. Therefore, the disclosed method should be considered in an explanatory rather than restrictive view. The scope of the invention is shown in the claims, not in the foregoing description, and all differences within an equivalent scope should be interpreted as being included in the invention.

Claims

1. A heater for heating cigarettes, A temperature sensor for measuring the temperature of the heater, A control unit calculates the heating time of the cigarette using the temperature sensor, compares the calculated heating time of the cigarette with a previously set threshold value, and determines the humidity state of the cigarette. Includes, The control unit supplies power to the heater using the basic temperature profile when the heating time is less than the threshold, and supplies power to the heater using the first correction profile when the heating time is equal to or greater than the threshold. The basic temperature profile includes a first preheating section and a first smoking section. The first correction profile includes a second preheating section and a second smoking section, The first preheating section includes a first preheating rise section, a first preheating hold section, and a first preheating fall section. The second preheating section includes a second preheating rise section, a second preheating hold section, a second preheating fall section, and a third preheating hold section. The second preheating section is longer than the first preheating section. An aerosol generator in which the first preheating rise section is shorter than the second preheating rise section.

2. The second preheating and holding section is longer than the first preheating and holding section. The aerosol generating apparatus according to claim 1, wherein the temperature change within the second preheating descent section is greater than the temperature change within the first preheating descent section.

3. The first smoking section includes a first smoking descent section and a first smoking hold section. The aerosol generating apparatus according to claim 1, wherein the second smoking section includes a second smoking holding section.

4. A heater for heating a cigarette, A temperature sensor for measuring the temperature of the heater, A control unit calculates the heating time of the cigarette using the temperature sensor, compares the calculated heating time of the cigarette with a previously set threshold value, and determines the humidity state of the cigarette. Includes, The control unit supplies power to the heater using the basic temperature profile when the heating time is less than the threshold, and supplies power to the heater using the first correction profile when the heating time is equal to or greater than the threshold. The basic temperature profile includes a first preheating section and a first smoking section. The first correction profile includes a second preheating section and a second smoking section, The first preheating section includes at least a first preheating rise section, The second preheating section includes at least a second preheating rise section, The second preheating section is longer than the first preheating section. The first preheating rise section is shorter than the second preheating rise section. The control unit, upon detecting the insertion of the cigarette, determines whether or not the first correction profile was used when the heater was heated immediately before the insertion of the cigarette, in an aerosol generating device.

5. The aerosol generating apparatus according to claim 4, wherein the control unit measures the temperature of the heater when it is determined that the first correction profile was used during the heating of the heater immediately before heating.

6. The control unit, If the measured heater temperature is below the reference temperature, the humidity state of the cigarette is re-evaluated. The aerosol generating apparatus according to claim 5, wherein if the measured heater temperature is above a reference temperature, power is supplied to the heater using a second correction profile.

7. The second correction profile includes a third preheating section and a third smoking section, The second preheating section includes the second preheating rise section, the second preheating hold section, the second preheating fall section, and the third preheating hold section. The third preheating section includes a third preheating rise section, a fourth preheating hold section, a third preheating fall section, and a fifth preheating hold section. The aerosol generating apparatus according to claim 6, wherein the combined time of the second preheating holding section, the second preheating descent section, and the third preheating holding section is longer than the combined time of the fourth preheating holding section, the third preheating descent section, and the fifth preheating holding section.

8. The aerosol generating apparatus according to claim 4, wherein the control unit determines that the first correction profile is not being used when the heater is being heated immediately beforehand, and re-evaluates the humidity state of the cigarette.

9. In the operation method of an aerosol generating device, The process involves heating the cigarette with a heater, A step of measuring the temperature of the heater using a temperature sensor, The steps include: calculating the heating time of the cigarette using the temperature sensor, and comparing the calculated heating time of the cigarette with a previously set threshold; A step of determining the humidity state of the cigarette based on the results of the above comparison, The step includes operating the heater with a temperature profile corresponding to the determined humidity state of the cigarette, The step of determining the humidity state of the cigarette is as follows: If the heating time is less than the threshold, the cigarette is determined to be a normal cigarette; if the heating time is equal to or greater than the threshold, the cigarette is determined to be an over-humidified cigarette. The step of operating the heater is to supply power to the heater using the basic temperature profile if the heating time is less than the threshold, and to supply power to the heater using the first correction profile if the heating time is equal to or greater than the threshold. The basic temperature profile includes a first preheating section and a first smoking section. The first correction profile includes a second preheating section and a second smoking section, The first preheating section includes a first preheating rise section, a first preheating hold section, and a first preheating fall section. The second preheating section includes a second preheating rise section, a second preheating hold section, a second preheating fall section, and a third preheating hold section. The second preheating section is longer than the first preheating section. A method of operating an aerosol generator, wherein the first preheating rise section is shorter than the second preheating rise section.

10. In a method for operating an aerosol generating apparatus, The process involves heating the cigarette with a heater, A step of measuring the temperature of the heater using a temperature sensor, The steps include: calculating the heating time of the cigarette using the temperature sensor, and comparing the calculated heating time of the cigarette with a previously set threshold; A step of determining the humidity state of the cigarette based on the results of the above comparison, The step includes operating the heater with a temperature profile corresponding to the determined humidity state of the cigarette, The step of determining the humidity state of the cigarette is as follows: If the heating time is less than the threshold, the cigarette is determined to be a normal cigarette; if the heating time is equal to or greater than the threshold, the cigarette is determined to be an over-humidified cigarette. The step of operating the heater is to supply power to the heater using the basic temperature profile if the heating time is less than the threshold, and to supply power to the heater using the first correction profile if the heating time is equal to or greater than the threshold. The basic temperature profile includes a first preheating section and a first smoking section. The first correction profile includes a second preheating section and a second smoking section, The first preheating section includes at least a first preheating rise section, The second preheating section includes at least a second preheating rise section, The second preheating section is longer than the first preheating section. The first preheating rise section is shorter than the second preheating rise section. A method for operating an aerosol generator, further comprising the step of determining whether or not the first correction profile was used when the heater was heated immediately before the insertion of the cigarette was detected.

11. If it is determined that the first correction profile was used when the heater was heated immediately beforehand, the step includes measuring the temperature of the heater. If the measured heater temperature is below the reference temperature, the humidity state of the cigarette is re-evaluated. The method for operating an aerosol generating apparatus according to claim 10, wherein if the measured temperature of the heater is equal to or greater than a reference temperature, power is supplied to the heater using a second correction profile.

12. The second correction profile includes a third preheating section and a third smoking section, The second preheating section includes the second preheating rise section, the second preheating hold section, the second preheating fall section, and the third preheating hold section. The third preheating section includes a third preheating rise section, a fourth preheating hold section, a third preheating fall section, and a fifth preheating hold section. The method of operating an aerosol generating apparatus according to claim 11, wherein the combined time of the second preheating holding section, the second preheating descent section, and the third preheating holding section is longer than the combined time of the fourth preheating holding section, the third preheating descent section, and the fifth preheating holding section.

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