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WO2025014234A1 - Dispositif de génération d'aérosol et son procédé de fonctionnement - Google Patents

Dispositif de génération d'aérosol et son procédé de fonctionnement Download PDF

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Publication number
WO2025014234A1
WO2025014234A1 PCT/KR2024/009712 KR2024009712W WO2025014234A1 WO 2025014234 A1 WO2025014234 A1 WO 2025014234A1 KR 2024009712 W KR2024009712 W KR 2024009712W WO 2025014234 A1 WO2025014234 A1 WO 2025014234A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
preheating
cigarette
temperature
aerosol generating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2024/009712
Other languages
English (en)
Korean (ko)
Inventor
김용환
장석수
권영범
김동성
안휘경
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KT&G Corp
Original Assignee
KT&G Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020230122610A external-priority patent/KR20250011041A/ko
Application filed by KT&G Corp filed Critical KT&G Corp
Priority to CN202480024174.3A priority Critical patent/CN120882329A/zh
Publication of WO2025014234A1 publication Critical patent/WO2025014234A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control

Definitions

  • the present disclosure relates to an aerosol generating device and an operating method therefor. Specifically, the present disclosure relates to an aerosol generating device capable of distinguishing between a regular cigarette and an over-humidified cigarette based on a heating rate and providing a temperature profile corresponding to the state of the cigarette, and an operating method therefor.
  • the present disclosure provides an aerosol generating device including a temperature profile capable of generating a temperature of mainstream smoke suitable for smoking and shortening a preheating time when performing heating of a humidified cigarette, and an operating method therefor.
  • An aerosol generating device includes a heater for heating a cigarette, a temperature sensor for measuring a temperature of the heater, and a control unit for calculating a heating time of the cigarette using the temperature sensor and comparing the calculated heating time of the cigarette with a preset threshold value to determine a humidity state of the cigarette.
  • the control unit supplies power to the heater according to a correction profile including a preheating section including a temperature lowering section for condensing moisture in the cigarette and a temperature re-rising section for vaporizing the condensed moisture, when the heating time is equal to or greater than the threshold value.
  • a method of operating an aerosol generating device includes the steps of heating a cigarette by a heater, measuring the temperature of the heater by a temperature sensor, calculating a heating time of the cigarette using the temperature sensor, comparing the calculated heating time of the cigarette with a preset threshold value to determine a humidity state of the cigarette, and operating the heater with a temperature profile corresponding to the determined cigarette.
  • the step of determining the humidity state of the cigarette determines the cigarette as a normal cigarette if the heating time is less than the threshold value, and determines the cigarette as an over-humidified cigarette if the heating time is equal to or greater than the threshold value, and the step of operating the heater supplies power to the heater according to a correction profile including a preheating section including a temperature decreasing section for condensing moisture in the cigarette and a temperature re-rising section for vaporizing the condensed moisture if the heating time is equal to or greater than the threshold value.
  • An aerosol generating device and an operating method therefor can provide a temperature profile capable of generating a temperature of mainstream smoke suitable for smoking and shortening a preheating time when performing heating of a humidified cigarette.
  • Figures 1 to 3 are drawings illustrating examples of cigarettes inserted into an aerosol generating device.
  • Figures 4 and 5 are drawings illustrating examples of cigarettes.
  • Figure 6 is a block diagram of an aerosol generating device according to another embodiment.
  • FIG. 7a is a perspective view showing the appearance of an aerosol generating device according to one embodiment of the present invention.
  • Figure 9 is an example diagram for explaining a first correction profile of an aerosol generating device.
  • FIG. 11a is a flowchart illustrating an operation method of an aerosol generating device according to one embodiment that takes into account the humidity state of a cigarette.
  • FIG. 11b is a flowchart illustrating an operation method of an aerosol generating device according to another embodiment that takes into account the humidity condition of a cigarette.
  • Figures 1 to 3 are drawings illustrating examples of cigarettes inserted into an aerosol generating device.
  • the aerosol generating device (1) includes a battery (11), a control unit (12), and a heater (13). Referring to Figs. 2 and 3, the aerosol generating device (1) further includes a vaporizer (14). In addition, a cigarette (2) can be inserted into the internal space of the aerosol generating device (1).
  • the aerosol generating device (1) illustrated in FIGS. 1 to 3 illustrates components related to the present embodiment. Accordingly, a person having ordinary skill in the art related to the present embodiment will understand that, in addition to the components illustrated in FIGS. 1 to 3, other general-purpose components may be further included in the aerosol generating device (1).
  • FIGS. 2 and 3 illustrate that the aerosol generating device (1) includes a heater (13), the heater (13) may be omitted if necessary.
  • a battery (11), a control unit (12), and a heater (13) are illustrated as being arranged in a row.
  • a battery (11), a control unit (12), a vaporizer (14), and a heater (13) are illustrated as being arranged in a row.
  • a vaporizer (14) and a heater (13) are illustrated as being arranged in parallel.
  • the internal structure of the aerosol generating device (1) is not limited to that illustrated in Figs. 1 to 3. In other words, depending on the design of the aerosol generating device (1), the arrangement of the battery (11), the control unit (12), the heater (13), and the vaporizer (14) may be changed.
  • the aerosol generating device (1) can generate an aerosol by operating a heater (13) and/or a vaporizer (14).
  • the aerosol generated by the heater (13) and/or the vaporizer (14) passes through the cigarette (2) and is delivered to the user.
  • the aerosol generating device (1) can heat the heater (13) even when the cigarette (2) is not inserted into the aerosol generating device (1).
  • the battery (11) supplies power used to operate the aerosol generating device (1).
  • the battery (11) can supply power so that the heater (13) or the vaporizer (14) can be heated, and can supply power required for the control unit (12) to operate.
  • the battery (11) can supply power required for the display, sensor, motor, etc. installed in the aerosol generating device (1) to operate.
  • the control unit (12) controls the overall operation of the aerosol generating device (1). Specifically, the control unit (12) controls the operation of the battery (11), the heater (13), and the vaporizer (14) as well as other components included in the aerosol generating device (1). In addition, the control unit (12) can check the status of each component of the aerosol generating device (1) to determine whether the aerosol generating device (1) is in an operable state.
  • the control unit (12) includes at least one processor.
  • the processor may be implemented as an array of a plurality of logic gates, or may be implemented as a combination of a general-purpose microprocessor and a memory storing a program that can be executed by the microprocessor.
  • the processor may be implemented as other types of hardware.
  • the heater (13) can be heated by power supplied from the battery (11). For example, when a cigarette is inserted into the aerosol generating device (1), the heater (13) can be located outside the cigarette. Accordingly, the heated heater (13) can increase the temperature of the aerosol generating material inside the cigarette.
  • the heater (13) may be an electrical resistance heater.
  • the heater (13) may include an electrically conductive track, and the heater (13) may be heated as current flows through the electrically conductive track.
  • the heater (13) is not limited to the above-described example, and may be applied without limitation as long as it can be heated to a desired temperature.
  • the desired temperature may be preset in the aerosol generating device (1), or may be set to a desired temperature by the user.
  • the heater (13) may be an induction heating heater.
  • the heater (13) may include an electrically conductive coil for heating the cigarette in an induction heating manner, and the cigarette may include a susceptor that can be heated by the induction heating heater.
  • the heater (13) may include a tubular heating element, a plate-shaped heating element, a needle-shaped heating element, or a rod-shaped heating element, and may heat the inside or the outside of the cigarette (2) depending on the shape of the heating element.
  • a plurality of heaters (13) may be arranged in the aerosol generating device (1). At this time, the plurality of heaters (13) may be arranged to be inserted into the inside of the cigarette (2) or may be arranged on the outside of the cigarette (2). In addition, some of the plurality of heaters (13) may be arranged to be inserted into the inside of the cigarette (2), and the rest may be arranged on the outside of the cigarette (2).
  • the shape of the heater (13) is not limited to the shape illustrated in FIGS. 1 to 3, and may be manufactured in various shapes.
  • the vaporizer (14) can heat the liquid composition to generate an aerosol, and the generated aerosol can be delivered to the user through the cigarette (2).
  • the aerosol generated by the vaporizer (14) can travel along the airflow passage of the aerosol generating device (1), and the airflow passage can be configured so that the aerosol generated by the vaporizer (14) can pass through the cigarette and be delivered to the user.
  • the vaporizer (14) may include, but is not limited to, a liquid reservoir, a liquid delivery means, and a heating element.
  • the liquid reservoir, the liquid delivery means, and the heating element may be included in the aerosol generating device (1) as independent modules.
  • the liquid reservoir can store a liquid composition.
  • the liquid composition can be a liquid containing a tobacco-containing material including a volatile tobacco flavoring component, or can be a liquid containing a non-tobacco material.
  • the liquid reservoir can be constructed to be detachable from/attachable to the vaporizer (14), or can be constructed integrally with the vaporizer (14).
  • the liquid composition may include water, a solvent, ethanol, a plant extract, a flavor, a flavoring agent, or a vitamin mixture.
  • the flavoring agent may include, but is not limited to, menthol, peppermint, spearmint oil, various fruit-flavored ingredients, and the like.
  • the flavoring agent may include ingredients that can provide a variety of flavors or tastes to the user.
  • the vitamin mixture may include, but is not limited to, a mixture of at least one of vitamin A, vitamin B, vitamin C, and vitamin E.
  • the liquid composition may include an aerosol forming agent, such as glycerin and propylene glycol.
  • the liquid transfer means can transfer the liquid composition from the liquid storage to the heating element.
  • the liquid transfer means can be a wick such as, but not limited to, cotton fibers, ceramic fibers, glass fibers, or porous ceramics.
  • the heating element is an element for heating a liquid composition delivered by a liquid delivery means.
  • the heating element may be, but is not limited to, a metal heating wire, a metal heating plate, a ceramic heater, etc.
  • the heating element may be composed of a conductive filament such as a nichrome wire, and may be arranged in a structure that is wound around the liquid delivery means. The heating element may be heated by supplying current, and may transfer heat to the liquid composition in contact with the heating element, thereby heating the liquid composition. As a result, an aerosol may be generated.
  • the vaporizer (14) may be referred to as a cartomizer or an atomizer, but is not limited thereto.
  • the aerosol generating device (1) may further include general-purpose components in addition to the battery (11), the control unit (12), the heater (13), and the vaporizer (14).
  • the aerosol generating device (1) may include a display capable of outputting visual information and/or a motor for outputting tactile information.
  • the aerosol generating device (1) may include at least one sensor (a puff detection sensor, a temperature detection sensor, a cigarette insertion detection sensor, etc.).
  • the aerosol generating device (1) may be manufactured with a structure in which external air may be introduced or internal gas may be discharged even when the cigarette (2) is inserted.
  • the aerosol generating device (1) may also be configured as a system together with a separate cradle.
  • the cradle may be used to charge the battery (11) of the aerosol generating device (1).
  • the heater (13) may be heated while the cradle and the aerosol generating device (1) are combined.
  • the cigarette (2) may be similar to a typical combustible cigarette.
  • the cigarette (2) may be divided into a first part containing an aerosol generating substance and a second part containing a filter or the like.
  • the second part of the cigarette (2) may also contain an aerosol generating substance.
  • an aerosol generating substance in the form of granules or capsules may be inserted into the second part.
  • the entire first part may be inserted into the interior of the aerosol generating device (1), and the second part may be exposed to the outside. Alternatively, only a part of the first part may be inserted into the interior of the aerosol generating device (1), or the entire first part and a part of the second part may be inserted.
  • the user may inhale the aerosol while holding the second part in his mouth. At this time, the aerosol is generated by external air passing through the first part, and the generated aerosol passes through the second part and is delivered to the user's mouth.
  • outside air may be introduced through at least one air passage formed in the aerosol generating device (1).
  • the opening and closing of the air passage formed in the aerosol generating device (1) and/or the size of the air passage may be controlled by the user. Accordingly, the amount of vapor, the smoking sensation, etc. may be controlled by the user.
  • outside air may be introduced into the interior of the cigarette (2) through at least one hole formed on the surface of the cigarette (2).
  • Figures 4 and 5 are drawings illustrating examples of cigarettes.
  • the cigarette (2) includes a tobacco rod (21) and a filter rod (22).
  • the filter rod (22) is illustrated as a single segment, but is not limited thereto.
  • the filter rod (22) may be composed of a plurality of segments.
  • the filter rod (22) may include a segment for cooling an aerosol and a segment for filtering a predetermined component included in the aerosol.
  • the filter rod (22) may further include at least one segment for performing another function.
  • the diameter of the cigarette (2) is within a range of 5 mm to 9 mm, and the length may be about 48 mm, but is not limited thereto.
  • the length of the cigarette rod (21) may be about 12 mm
  • the length of the first segment of the filter rod (22) may be about 10 mm
  • the length of the second segment of the filter rod (22) may be about 14 mm
  • the length of the third segment of the filter rod (22) may be about 12 mm, but is not limited thereto.
  • the cigarette (2) may be wrapped by at least one wrapper (24).
  • the wrapper (24) may have at least one hole formed through which outside air is introduced or internal gas is discharged.
  • the cigarette (2) may be wrapped by one wrapper (24).
  • the cigarette (2) may be wrapped by two or more wrappers (24) in an overlapping manner.
  • the tobacco rod (21) may be wrapped by a first wrapper (241), and the filter rod (22) may be wrapped by wrappers (242, 243, 244). Then, the entire cigarette (2) may be repackaged by a single wrapper (245). If the filter rod (22) is composed of a plurality of segments, each segment may be wrapped by wrappers (242, 243, 244).
  • the first wrapper (241) and the second wrapper (242) can be made of general filter paper.
  • the first wrapper (241) and the second wrapper (242) can be porous paper or non-porous paper.
  • the first wrapper (241) and the second wrapper (242) can be made of oil-resistant paper and/or aluminum composite packaging material.
  • the third wrapper (243) may be made of hard paper.
  • the basis weight of the third wrapper (243) may be within a range of 88 g/m 2 to 96 g/m 2 , and preferably within a range of 90 g/m 2 to 94 g/m 2 .
  • the thickness of the third wrapper (243) may be within a range of 120 um to 130 um, and preferably 125 um.
  • the fourth wrapper (244) may be made of a hard paper having a high oil resistance.
  • the weight of the fourth wrapper (244) may be within a range of 88 g/m 2 to 96 g/m 2 , and preferably within a range of 90 g/m 2 to 94 g/m 2 .
  • the thickness of the fourth wrapper (244) may be within a range of 120 um to 130 um, and preferably within a range of 125 um.
  • the fifth wrapper (245) can be made of sterilized paper (MFW).
  • the sterilized paper (MFW) means paper that is specially manufactured to have improved tensile strength, water resistance, smoothness, etc. compared to general paper.
  • the basis weight of the fifth wrapper (245) can be included in the range of 57 g/m 2 to 63 g/m 2 , and preferably 60 g/m 2 .
  • the thickness of the fifth wrapper (245) can be included in the range of 64 um to 70 um, and preferably 67 um.
  • the fifth wrapper (245) may have a predetermined material added thereto.
  • the predetermined material may be silicon, but is not limited thereto.
  • silicon has properties such as heat resistance that is less affected by temperature, oxidation resistance that does not oxidize, resistance to various chemicals, water repellency, or electrical insulation.
  • any material having the above-described properties may be applied (or coated) to the fifth wrapper (245) without limitation.
  • the fifth wrapper (245) can prevent the cigarette (2) from burning. For example, if the cigarette rod (210) is heated by the heater (13), there is a possibility that the cigarette (2) will burn. Specifically, if the temperature rises above the ignition point of any one of the materials included in the cigarette rod (310), the cigarette (2) may burn. Even in this case, since the fifth wrapper (245) includes a non-combustible material, the phenomenon of the cigarette (2) burning can be prevented.
  • the fifth wrapper (245) can prevent the aerosol generating device (1) from being contaminated by substances generated from the cigarette (2).
  • Liquid substances can be generated inside the cigarette (2) by a user's puff.
  • liquid substances e.g., moisture, etc.
  • the fifth wrapper (245) wraps the cigarette (2), liquid substances generated inside the cigarette (2) can be prevented from leaking outside the cigarette (2).
  • the tobacco rod (21) contains an aerosol generating substance.
  • 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 contain other additives such as a flavoring agent, a humectant, and/or an organic acid.
  • a flavoring liquid such as menthol or a humectant may be added to the tobacco rod (21) by spraying it onto the tobacco rod (21).
  • the tobacco rod (21) can be manufactured in various ways.
  • the tobacco rod (21) can be manufactured as a sheet or as a strand.
  • the tobacco rod (21) can be manufactured as a cut tobacco sheet.
  • the tobacco rod (21) can be surrounded by a heat-conducting material.
  • the heat-conducting material can be a metal foil such as aluminum foil, but is not limited thereto.
  • the heat-conducting material surrounding the tobacco rod (21) can evenly distribute heat transferred to the tobacco rod (21) to improve the heat conductivity applied to the tobacco rod, thereby improving the taste of the tobacco.
  • the heat-conducting material surrounding the tobacco rod (21) can function as a susceptor heated by an induction heater. At this time, although not shown in the drawing, the tobacco rod (21) can further include an additional susceptor in addition to the heat-conducting material surrounding the outside.
  • the filter rod (22) may be a cellulose acetate filter. Meanwhile, there is no limitation on the shape of the filter rod (22).
  • the filter rod (22) may be a cylindrical rod or a tube-shaped rod having a hollow portion inside.
  • the filter rod (22) may be a recessed rod. If the filter rod (22) is composed of a plurality of segments, at least one of the plurality of segments may be manufactured in a different shape.
  • the first segment of the filter rod (22) may be a cellulose acetate filter.
  • the first segment may be a tube-shaped structure having a hollow space therein.
  • the diameter of the hollow space included in the first segment may be adopted as an appropriate diameter within a range of 2 mm to 4.5 mm, but is not limited thereto.
  • the length of the first segment may be adopted as an appropriate length within the range of 4 mm to 30 mm, but is not limited thereto.
  • the length of the first segment may be 10 mm, but is not limited thereto.
  • the hardness of the first segment can be adjusted by controlling the content of the plasticizer during the manufacture of the first segment.
  • the first segment can be manufactured by inserting a structure such as a film or tube of the same or different material into the interior (e.g., hollow).
  • the second segment of the filter rod (22) cools the aerosol generated by the heater (13) heating the tobacco rod (21). Accordingly, the user can inhale the aerosol cooled to an appropriate temperature.
  • the length or diameter of the second segment can be determined variously depending on the shape of the cigarette (2).
  • the length of the second segment can be appropriately adopted within a range of 7 mm to 20 mm.
  • the length of the second segment can be about 14 mm, but is not limited thereto.
  • the second segment can be made by weaving polymer fibers.
  • a flavoring agent can be applied to the fibers made of the polymer.
  • a separate fiber to which a flavoring agent has been applied and a fiber made of the polymer can be woven together to make the second segment.
  • the second segment can be formed by a crimped polymer sheet.
  • the polymer can be made of a material 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.
  • PE polyethylene
  • PP polypropylene
  • PVC polyvinyl chloride
  • PET polyethylene terephthalate
  • PLA polylactic acid
  • CA cellulose acetate
  • aluminum foil aluminum foil
  • the second segment may include a single or multiple longitudinally extending channels.
  • a channel means a passage through which a gas (e.g., air or an aerosol) passes.
  • the second segment comprised of a compressed polymer sheet can be formed from a material having a thickness of between about 5 ⁇ m and about 300 ⁇ m, for example between about 10 ⁇ m and about 250 ⁇ m.
  • the total surface area of the second segment can be between about 300 mm 2 /mm and about 1000 mm 2 /mm.
  • the aerosol-cooling element can be formed from a material having a specific surface area of between about 10 mm 2 /mg and about 100 mm 2 /mg.
  • the second segment may include a thread containing a volatile flavor component.
  • the volatile flavor component may be menthol, but is not limited thereto.
  • the thread may be filled with a sufficient amount of menthol to provide 1.5 mg or more of menthol to the second segment.
  • the third segment of the filter load (22) may be a cellulose acetate filter.
  • the length of the third segment may be appropriately adopted within a range of 4 mm to 20 mm.
  • the length of the third segment may be about 12 mm, but is not limited thereto.
  • the third segment it may be manufactured so that flavor is generated by spraying flavoring liquid into the third segment.
  • a separate fiber coated with flavoring liquid may be inserted into the inside of the third segment.
  • the aerosol generated from the tobacco rod (21) is cooled as it passes through the second segment of the filter rod (22), and the cooled aerosol is delivered to the user through the third segment. Therefore, when a flavoring element is added to the third segment, the effect of increasing the persistence of flavor delivered to the user can be generated.
  • the filter rod (22) may include at least one capsule (23).
  • the capsule (23) may perform a function of generating a flavor or a function of generating an aerosol.
  • the capsule (23) may be a structure in which a liquid including a flavor is wrapped with a film.
  • the capsule (23) may have a spherical or cylindrical shape, but is not limited thereto.
  • the cigarette (3) may further include a shear plug (33).
  • the shear plug (33) may be located on one side of the tobacco rod (31) facing the filter rod (32).
  • the shear plug (33) may prevent the tobacco rod (31) from escaping to the outside, and may prevent liquefied aerosol from the tobacco rod (31) during smoking from flowing into the aerosol generating device (1 of FIGS. 1 to 3).
  • the filter load (32) may include a first segment (321) and a second segment (322).
  • the first segment (321) may correspond to the first segment of the filter load (22) of FIG. 4
  • the second segment (322) may correspond to the third segment of the filter load (22) of FIG. 4.
  • the diameter and overall length of the cigarette (3) may correspond to the diameter and overall length of the cigarette (2) of Fig. 4.
  • the length of the shear plug (33) may be about 7 mm
  • the length of the tobacco rod (31) may be about 15 mm
  • the length of the first segment (321) may be about 12 mm
  • the length of the second segment (322) may be about 14 mm, but is not limited thereto.
  • the cigarette (3) may be wrapped by at least one wrapper (35).
  • the wrapper (35) may have at least one hole formed through which outside air is introduced or internal gas is discharged.
  • the shear plug (33) may be wrapped by the first wrapper (351)
  • the tobacco rod (31) may be wrapped by the second wrapper (352)
  • the first segment (321) may be wrapped by the third wrapper (353)
  • the second segment (322) may be wrapped by the fourth wrapper (354).
  • the entire cigarette (3) may be repackaged by the fifth wrapper (355).
  • At least one perforation (36) may be formed in the fifth wrapper (355).
  • the perforation (36) may be formed in an area surrounding the tobacco rod (31), but is not limited thereto.
  • the perforation (36) may serve to transfer heat formed by the heater (13) illustrated in FIGS. 2 and 3 to the interior of the tobacco rod (31).
  • the second segment (322) may include at least one capsule (34).
  • the capsule (34) may perform a function of generating a flavor or a function of generating an aerosol.
  • the capsule (34) may be a structure in which a liquid including a flavor is wrapped with a film.
  • the capsule (34) may have a spherical or cylindrical shape, but is not limited thereto.
  • the first wrapper (351) may be a general filter paper combined with a metal foil such as aluminum foil.
  • the overall thickness of the first wrapper (351) may be within a range of 45 um to 55 um, preferably 50.3 um.
  • the thickness of the metal foil of the first wrapper (351) may be within a range of 6 um to 7 um, preferably 6.3 um.
  • the basis weight of the first wrapper (351) may be within a range of 50 g/m 2 to 55 g/m 2 , preferably 53 g/m 2 .
  • the second wrapper (352) and the third wrapper (353) can be made of general filter paper.
  • the second wrapper (352) and the third wrapper (353) can be porous paper or non-porous paper.
  • the porosity of the second wrapper (352) may be 35000 CU, but is not limited thereto.
  • the thickness of the second wrapper (352) may be within a range of 70 um to 80 um, and preferably may be 78 um.
  • the basis weight of the second wrapper (352) may be within a range of 20 g/m 2 to 25 g/m 2 , and preferably may be 23.5 g/m 2 .
  • the porosity of the third wrapper (353) may be, but is not limited to, 24000 CU.
  • the thickness of the third wrapper (353) may be within a range of 60 um to 70 um, and preferably may be 68 um.
  • the basis weight of the third wrapper (353) may be within a range of 20 g/m 2 to 25 g/m 2 , and preferably may be 21 g/m 2 .
  • the fourth wrapper (354) can be made of PLA laminate.
  • the PLA laminate means three-ply paper including a paper layer, a PLA layer, and a paper layer.
  • the thickness of the fourth wrapper (354) can be included in the range of 100 um to 120 um, and preferably can be 110 um.
  • the basis weight of the fourth wrapper (354) can be included in the range of 80 g/m 2 to 100 g/m 2 , and preferably can be 88 g/m 2 .
  • the fifth wrapper (355) can be made of sterilized paper (MFW).
  • the sterilized paper (MFW) means paper that is specially manufactured to have improved tensile strength, water resistance, smoothness, etc. compared to general paper.
  • the basis weight of the fifth wrapper (355) can be within a range of 57 g/m 2 to 63 g/m 2 , and preferably 60 g/m 2 .
  • the thickness of the fifth wrapper (355) can be within a range of 64 um to 70 um, and preferably 67 um.
  • the fifth wrapper (355) may have a predetermined material added thereto.
  • the predetermined material may be silicon, but is not limited thereto.
  • silicon has properties such as heat resistance that is less affected by temperature, oxidation resistance that does not oxidize, resistance to various chemicals, water repellency, or electrical insulation.
  • any material having the above-described properties may be applied (or coated) to the fifth wrapper (355) without limitation.
  • the shear plug (33) can be made of cellulose acetate.
  • the shear plug (33) can be made by adding a plasticizer (e.g., triacetin) to cellulose acetate tow.
  • the mono denier of the filaments constituting the cellulose acetate tow can be included in a range of 1.0 to 10.0, and preferably can be included in a range of 4.0 to 6.0. More preferably, the mono denier of the filaments of the shear plug (33) can be 5.0.
  • the cross section of the filaments constituting the shear plug (33) can be Y-shaped.
  • the total denier of the shear plug (33) can be included in a range of 20,000 to 30,000, and preferably can be included in a range of 25,000 to 30,000. More preferably, the total denier of the shear plug (33) may be 28000.
  • the shear plug (33) may include at least one channel, and the cross-sectional shape of the channel may be manufactured in various ways.
  • the tobacco rod (31) may correspond to the tobacco rod (21) described above with reference to Fig. 4. Therefore, a detailed description of the tobacco rod (31) is omitted below.
  • the first segment (321) can be made of cellulose acetate.
  • the first segment can be a tube-shaped structure including a hollow space therein.
  • the first segment (321) can be made by adding a plasticizer (e.g., triacetin) to cellulose acetate tow.
  • a plasticizer e.g., triacetin
  • the mono denier and total denier of the first segment (321) can be the same as the mono denier and total denier of the shear plug (33).
  • the second segment (322) may be made of cellulose acetate.
  • the mono denier of the filaments constituting the second segment (322) may be within a range of 1.0 to 10.0, preferably within a range of 8.0 to 10.0. More preferably, the mono denier of the filaments of the second segment (322) may be 9.0.
  • the cross section of the filaments of the second segment (322) may be Y-shaped.
  • the total denier of the second segment (322) may be within a range of 20,000 to 30,000, preferably 25,000.
  • Figure 6 is a block diagram of an aerosol generating device according to another embodiment.
  • the aerosol generating device (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).
  • a control unit (610) 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).
  • the internal structure of the aerosol generating device (600) is not limited to that illustrated in FIG. 6. That is, a person having ordinary skill in the art related to the present embodiment will understand that some of the components illustrated in FIG. 6 may be omitted or new components may be added depending on the design of the aerosol generating device (600).
  • the sensing unit (620) can detect the status of the aerosol generating device (600) or the status around the aerosol generating device (600) and transmit the detected information to the control unit (610). Based on the detected information, the control unit (610) can control the aerosol generating device (600) so that various functions such as controlling the operation of the heater (650), restricting smoking, determining whether an aerosol generating article (e.g., cigarette, cartridge, etc.) is inserted, and displaying a notification are performed.
  • various functions such as controlling the operation of the heater (650), restricting smoking, determining whether an aerosol generating article (e.g., cigarette, cartridge, etc.) is inserted, and displaying a notification are performed.
  • the sensing unit (620) may include, but is not limited to, at least one of a temperature sensor (622), an insertion detection sensor (624), a puff sensor (626), and a humidity detection sensor (628).
  • the temperature sensor (622) can detect the temperature at which the heater (650) (or the aerosol generating material) is heated.
  • the aerosol generating device (600) may include a separate temperature sensor for detecting the temperature of the heater (650), or the heater (650) itself may act as the temperature sensor.
  • the temperature sensor (622) may be placed around the battery (640) to monitor the temperature of the battery (640).
  • the temperature sensor (622) can measure the temperature at which the heater (650) (or the aerosol generating material) 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 the heating time) at which the measured temperature reaches the temperature at which the aerosol generating material evaporates, and compare the calculated heating time with a preset threshold value to determine the humidity state of the cigarette (2 in FIG. 2).
  • the control unit (610) can control the power supplied to the heater (650) in response to the determined humidity state of the cigarette.
  • the insertion detection sensor (624) can detect insertion and/or removal of an aerosol generating article.
  • the insertion detection sensor (624) can include at least one of a film sensor, a pressure sensor, an optical sensor, a resistive sensor, a capacitive sensor, an inductive sensor, and an infrared sensor, and can detect a signal change as an aerosol generating article is inserted and/or removed.
  • the puff sensor (626) can detect the user's puff based on various physical changes in the airflow passage or airflow channel.
  • the puff sensor (626) can detect the user's puff based on any one of temperature change, flow change, voltage change, and pressure change.
  • a humidity detection sensor (628) can directly measure the amount of moisture contained in a cigarette (2 of FIG. 2) and provide the measured humidity information to the control unit (610).
  • the humidity detection sensor (628) can be placed in the receiving passage (1004h of FIG. 7a) of the aerosol generating device (600).
  • the humidity detection sensor (628) can measure the amount of moisture condensed around the cigarette (2 of FIG. 2) after heating the cigarette.
  • the over-humidified cigarette may evaporate more moisture during heating than a normal cigarette. Therefore, when the over-humidified cigarette is heated compared to a normal cigarette, a more condensation phenomenon may occur.
  • the humidity detection sensor (628) can be placed around an external hole (1002p of FIG. 7a) that overlaps the receiving passage (1004h of FIG. 7a) of the aerosol generating device (600) in the thickness direction or on a door (1003 of FIG. 7a).
  • the humidity detection sensor (628) may be any one of an electrical resistance sensor, a capacitance sensor, and an optical sensor. However, this is merely exemplary, and the humidity detection sensor (628) is not limited thereto.
  • the sensing unit (620) may further include at least one of 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) in addition to the sensors (622 to 628) described above. Since the function of each sensor can be intuitively inferred from its name by a person skilled in the art, a detailed description thereof may be omitted.
  • the output unit (630) can output information about the status of the aerosol generating device (600) and provide it to the user.
  • the output unit (630) can include at least one of the display unit (632), the haptic unit (634), and the sound output unit (636), but is not limited thereto.
  • the display unit (632) and the touch pad form a layer structure to form a touch screen, the display unit (632) can be used as an input device in addition to an output device.
  • the display unit (632) can visually provide information about the aerosol generating device (600) to the user.
  • the information about the aerosol generating device (600) can mean various information such as the charging/discharging status of the battery (640) of the aerosol generating device (600), the preheating status of the heater (650), the insertion/removal status of the aerosol generating item, or the status in which the use of the aerosol generating device (600) is restricted (e.g., detection of an abnormal item), and the display unit (632) can output the information to the outside.
  • the display unit (632) can be, for example, a liquid crystal display panel (LCD), an organic light-emitting display panel (OLED), or the like.
  • the display unit (632) can also be in the form of an LED light-emitting element.
  • the haptic unit (634) can convert an electrical signal into a mechanical stimulus or an electrical stimulus to provide tactile information about the aerosol generating device (600) to the user.
  • the haptic unit (634) can include a motor, a piezoelectric element, or an electrical stimulation device.
  • the acoustic output unit (636) can provide information about the aerosol generating device (600) to the user audibly.
  • the acoustic output unit (636) can convert an electrical signal into an acoustic signal and output it to the outside.
  • the battery (640) can supply power used to operate the aerosol generating device (600).
  • the battery (640) can supply power so that the heater (650) can be heated.
  • the battery (640) can supply power required for the operation of other components provided in the aerosol generating device (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) can be a rechargeable battery or a disposable battery.
  • the battery (640) can be a lithium polymer (LiPoly) battery, but is not limited thereto.
  • the heater (650) can receive power from the battery (640) to heat the aerosol generating material.
  • the aerosol generating device (600) may further include a power conversion circuit (e.g., a DC/DC converter) that converts power from the battery (640) and supplies it to the heater (650).
  • a power conversion circuit e.g., a DC/DC converter
  • the aerosol generating device (600) may further include a DC/AC converter that converts direct current power from the battery (640) into alternating current power.
  • the control unit (610), the sensing unit (620), the output unit (630), the user input unit (660), the memory (670), and the communication unit (680) can receive power from the battery (640) and perform functions.
  • a power conversion circuit that converts the power of the battery (640) and supplies it to each component, for example, an LDO (low dropout) circuit or a voltage regulator circuit, may be further included.
  • the heater (650) may be formed of any suitable electrically resistive material.
  • suitable electrically resistive materials may be metals or metal alloys including, but not limited to, titanium, zirconium, tantalum, platinum, nickel, cobalt, chromium, hafnium, niobium, molybdenum, tungsten, tin, gallium, manganese, iron, copper, stainless steel, nichrome, and the like.
  • the heater (650) may be implemented as, but not limited to, a metal wire, a metal plate having electrically conductive tracks arranged thereon, a ceramic heating element, and the like.
  • the heater (650) may be an induction heating type heater.
  • the heater (650) may include a susceptor that heats the aerosol generating material by generating heat through a magnetic field applied by the coil.
  • the heater (650) may include a plurality of heaters.
  • the heater (650) may include a first heater for heating the cigarette and a second heater for heating the liquid.
  • the user input unit (660) can receive information input by the user or output information to the user.
  • the user input unit (660) may include, but is not limited to, a key pad, a dome switch, a touch pad (contact electrostatic capacitance type, pressure resistive film type, infrared detection type, surface ultrasonic conduction type, integral tension measurement type, piezo effect type, etc.), a jog wheel, a jog switch, etc.
  • the aerosol generating device (600) further includes a connection interface such as a USB (universal serial bus) interface, and can transmit and receive information or charge a battery (640) by connecting to another external device through a connection interface such as a USB interface.
  • the memory (670) is a hardware that stores various data (e.g., temperature profile) processed in the aerosol generating device (600), and can store data processed and data to be processed in the control unit (610).
  • the memory (670) may include at least one type of storage medium among a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (e.g., SD or XD memory, etc.), a RAM (random access memory), a SRAM (static random access memory), a ROM (read-only memory), an EEPROM (electrically erasable programmable read-only memory), a PROM (programmable read-only memory), a magnetic memory, a magnetic disk, and an optical disk.
  • the memory (670) may store the operation time of the aerosol generating device (600), the maximum number of puffs, the current number of puffs, at least one temperature profile, and data on the user's smoking pattern.
  • the communication unit (680) may include at least one component for communicating with another electronic device.
  • the communication unit (680) may include a short-range communication unit (682) and a wireless communication unit (684).
  • 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.
  • 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.
  • the wireless communication unit (684) may include, but is not limited to, a cellular network communication unit, an Internet communication unit, a computer network (e.g., a LAN or WAN) communication unit, etc.
  • the wireless communication unit (684) may also identify and authenticate the aerosol generating device (600) within the communication network using subscriber information (e.g., an international mobile subscriber identity (IMSI).
  • subscriber information e.g., an international mobile subscriber identity (IMSI).
  • the control unit (610) can control the overall operation of the aerosol generating device (600).
  • the control unit (610) can include at least one processor.
  • the processor can be implemented as an array of a plurality of logic gates, or can be implemented as a combination of a general-purpose microprocessor and a memory storing a program that can be executed by the microprocessor.
  • the processor can be implemented as other types of hardware.
  • 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).
  • the control unit (610) can control the power supply by controlling the switching of the switching element between the battery (640) and the heater (650).
  • the heating direct circuit can control the power supply to the heater (650) according to the control command of the control unit (610).
  • the control unit (610) can analyze the results detected by the sensing unit (620) and control the processes to be performed thereafter. For example, the control unit (610) can control the power supplied to the heater (650) so that the operation of the heater (650) is started or ended based on the results detected by the sensing unit (620). As another example, the control unit (610) can control the amount of power supplied to the heater (650) and the time for which the power is supplied so that the heater (650) can be heated to a predetermined temperature or maintain an appropriate temperature based on the results detected by the sensing unit (620).
  • the control unit (610) can control the output unit (630) based on the result detected by the sensing unit (620). For example, when the number of puffs counted through the puff sensor (626) reaches a preset number, the control unit (610) can notify the user that the aerosol generating device (600) will soon be terminated through at least one of the display unit (632), the haptic unit (634), and the sound output unit (636).
  • the control unit (610) can determine the humidity status 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 status of the cigarette.
  • an aerosol generating device that distinguishes between a regular cigarette and an over-humidified cigarette based on the heating time of the cigarette (see 2 of FIG. 2) and applies a compensation profile in the case of an over-humidified cigarette, and an operating method therefor will be described in detail.
  • Fig. 7a is a perspective view showing the appearance of an aerosol generating device according to one embodiment of the present invention.
  • Fig. 7b is a perspective view showing an operating state of the aerosol generating device according to the embodiment illustrated in Fig. 7a with some components separated.
  • the aerosol generating device (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 exterior of the aerosol generating device (1000).
  • the case (1100) forms part of the exterior of the aerosol generating device (1000) and performs the function of accommodating and protecting various components inside.
  • the cover (1002) and the case (1100) can be manufactured from a plastic material that does not conduct heat well or a metal material whose surface is coated with a heat-insulating material.
  • the cover (1002) and the case (1100) can be manufactured, for example, by injection molding, 3D printing, or assembling small parts manufactured by injection molding.
  • a retaining device may be installed between the cover (1002) and the case (1100) to maintain the combined state of the cover (1002) and the case (1100).
  • the retaining device may include, for example, a protrusion and a groove.
  • the combined state of the cover (1002) and the case (1100) may be maintained by maintaining the state in which the protrusion is inserted into the groove, and a structure in which the protrusion is moved by an operation button that can be pressed by a user and separated from the groove may also be used.
  • the retaining device may include, for example, a magnet and a metal member that adheres to the magnet.
  • the magnet When using a magnet in the retaining device, the magnet may be installed in one of the case (1100) and the cover (1002) and the metal member that adheres to the magnet may be installed in the other, or the magnet may be installed in both the case (1100) and the cover (1002).
  • An external hole (1002p) into which a cigarette (2000) can be inserted is formed on the upper surface of the cover (1002) coupled to the case (1100).
  • a rail (1003r) is formed at a position adjacent to the external hole (1002p) on the upper surface of the cover (1002).
  • a door (1003) that can slide along the upper surface of the cover (1002) is installed on the rail (1003r). The door (1003) can slide linearly along the rail (1003r).
  • the door (1003) moves along the rail (1003r) in the direction of the arrow in Fig. 7a, it functions to expose an external hole (1002p) and an insertion hole (1004p) to the outside so that a cigarette (2000) can pass through the cover (1002) and be inserted into the case (1100).
  • the external hole (1002p) of the cover (1002) functions to expose an insertion hole (1004p) of a receiving passage (1004h) capable of receiving a cigarette (2000) to the outside.
  • the user can insert the end (2000b) of the cigarette (2000) into the external hole (1002p) and the insertion hole (1004p) to mount the cigarette (2000) in the receiving passage (1004h) formed inside the cover (1002).
  • the rail (1003r) has a concave groove shape, but the embodiment is not limited by the shape of the rail (1003r).
  • the rail (1003r) may have a convex shape, and may extend in a curved shape rather than a straight line.
  • a button (1009) is installed in the case (1100). As the button (1009) is operated, the operation of the aerosol generating device (1000) can be controlled.
  • an external air inflow gap (1002g) is formed at the area where the cover (1002) and the case (1100) are connected, allowing air to flow into the interior of the cover (1002).
  • the case (1100) may be composed of an upper case (1100a) in which a cigarette (2000) is inserted and the cigarette (2000) is heated, and a lower case (1100b) that supports and protects various components installed inside.
  • case (1100) is intended to include both the upper case (1100a) and the lower case (1100b).
  • the cover (1002) can be coupled to the case (1100) to cover the cigarette support member (4) coupled to the case (1100). Additionally, the cover (1002) can be separated from the case (1100) as needed.
  • Figure 8 is an example diagram illustrating the basic temperature profile of an aerosol generating device.
  • the control unit (610) of the aerosol generating device (600) calculates the heating time (t 1 ) of the cigarette (2000 of FIG. 7a) using the temperature sensor (622), and compares the calculated heating time (t 1 ) of the cigarette (2000) with a preset threshold value to determine the humidity state of the cigarette (2000).
  • the control unit (610) can supply power to the heater (650) according to the basic temperature profile (TP) when the heating time (t 1 ) is less than the threshold value.
  • the preset threshold value is the time for the over-moistened cigarette to reach the first target temperature (T1), which can be determined experimentally and statistically. Even if the time for reaching the first target temperature (T1) is greater than the threshold value, if the heater (650) is operated according to the basic temperature profile (TP), there is a possibility that the user may feel hot due to the moisture contained inside the cigarette (2000).
  • 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) can be divided into further sub-sections.
  • the first preheating section (P1) may include a first preheating rising section (P11) (or, a heating time (t 1 )) for raising to a first target temperature (T1), a first preheating holding section (P12) for maintaining the first target temperature (T1), and a first preheating falling section (P13) for lowering to a second target temperature (T2).
  • the first smoking section (P2) may include a 1-1 smoking lowering section (P21a) for lowering to a third target temperature (T3), a 1-2 smoking lowering section (P21b) for lowering to a fourth target temperature (T4), a 1-3 smoking lowering section (P21c) for lowering to a fifth target temperature (T5), and a 1-3 smoking maintenance section (P22) for maintaining the fifth target temperature (T5).
  • the first preheating section (P1) includes a first preheating rising section (P11), a first preheating maintenance section (P12), and a first preheating falling section (P13)
  • the first smoking section (P2) includes a first-first smoking falling section (P21a), a first-second smoking falling section (P21b), a first-third smoking falling section (P21c), and a first smoking holding section (P22), but the present invention is not limited thereto, and various modifications are of course possible depending on the shape or type of the cigarette or heater.
  • Figure 9 is an example diagram for explaining a first correction profile of an aerosol generating device.
  • the aerosol generating device (600) can operate the heater (650) by applying the first correction profile (CP1) described below when the inserted cigarette (2000 of FIG. 7a) is determined to be an over-moistened cigarette.
  • the control unit (610) calculates the heating time (t 2 ) of the cigarette (2000) using the temperature sensor (622), and compares the calculated heating time (t 2 ) of the cigarette (2000) with a preset threshold value to determine the humidity state of the cigarette (2000). If the heating time (t 2 ) is equal to or greater than the threshold value, the control unit (610) can supply power to the heater (650) according to the first correction profile (CP1).
  • a control unit (610) may determine the humidity status of the cigarette (2000) using a humidity detection sensor (628).
  • the humidity detection sensor (628) may directly measure the amount of moisture contained in the cigarette (2000) and provide the measured humidity information to the control unit (610).
  • the humidity detection sensor (628) may be placed in the receiving passage (1004h of FIG. 7a) of the aerosol generating device (600).
  • the humidity detection sensor (628) may measure the amount of moisture condensed around the cigarette (2 of FIG. 2) after heating the cigarette. The amount of moisture evaporated from an over-humidified cigarette may be greater than that from a normal cigarette when heated. Therefore, when an over-humidified cigarette is heated compared to a normal cigarette, a condensation phenomenon may occur more.
  • the humidity detection sensor (628) may be placed around an external hole (1002p in FIG. 7a) or a door (1003 in FIG. 7a) that overlaps the receiving passage (1004h in FIG. 7a) of the aerosol generating device (600) in the thickness direction.
  • the humidity detection sensor (628) may be any one of an electrical resistance sensor, a capacitance sensor, and an optical sensor. However, this is merely exemplary, and the humidity detection sensor (628) is not limited thereto.
  • the first correction profile (CP1) includes a second preheating section (P3) and a second smoking section (P4), and the second preheating section (P3) and the second smoking section (P4) can be divided into further subdivided sections.
  • the second preheating section (P3) may include a second preheating rising section (P31) (or, rising time ( t2 )) for raising to a first target temperature (T1), a second preheating falling section (P32) for lowering to a sixth target temperature (T6), a second preheating re-rising section (P33) for raising to a seventh target temperature (T7), a second preheating holding section (P34) for maintaining the seventh target temperature (T7), and a second preheating re-lowering section (P35) for lowering to an eighth target temperature (T8).
  • the second smoking section (P4) may include a second smoking falling section (P41) for lowering to a fifth target temperature (T5), and a second smoking holding section (P42) for maintaining the fifth target temperature (T5).
  • the fifth target temperature (T5) may be about 200°C.
  • the second preheating section (P2) includes a second preheating rising section (P31), a second preheating falling section (P32), a second preheating re-rising section (P33), a second preheating maintenance section (P34), and a second preheating re-lowering section (P35), and the second smoking section (P4) includes a second smoking falling section (P41) and a second smoking maintenance section (P42), but the present invention is not limited thereto, and various modifications are of course possible depending on the shape or type of the cigarette or heater.
  • the second preheating section (P3) of the first correction profile (CP1) may be longer than the first preheating section (P1) of the basic temperature profile (TP).
  • the second preheating rise section (P31) of the first correction profile (CP1) may be longer than the first preheating rise section (P11) of the basic temperature profile (TP). For example, there may be a difference of about 3 to 4 seconds between the time point t 2 of the first correction profile (CP1) and the time point t 1 of the basic temperature profile (TP). That is, since the over-moistened cigarette contains more moisture than a normal cigarette, the evaporation of moisture that must be heated may be delayed, causing a phenomenon in which the heating speed of the cigarette slows down.
  • the first correction profile (CP1) may have a second preheating rise section (P31) followed by a second preheating fall section (P32).
  • the control unit (610) may turn off the heater (650) during the second preheating down section (P32). Meanwhile, the control unit (610) may supply power to the temperature sensor (622) for temperature sensing even during the second preheating down section (P32). The control unit (610) may maintain the turn-off state of the heater (650) until the temperature of the cigarette (2000) (or, the heater (650)) reaches the sixth target temperature (T6) through the temperature sensor (622).
  • the temperature of the cigarette (2000) can be lowered from the first target temperature (T1) to the sixth target temperature (T6).
  • the first target temperature (T1) can be about 260°C
  • the sixth target temperature (T6) can be 190°C. That is, the temperature difference between the starting point and the end point of the second preheating lowering section (P32) can be about 70°C.
  • the first correction profile (CP1) may have a second preheating descending section (P32) followed immediately by a second preheating re-rising section (P33).
  • the control unit (610) may turn on the heater (650) when the temperature of the cigarette (2000) (or, the heater (650)) reaches the sixth target temperature (T6) through the temperature sensor (622).
  • the control unit (610) may operate the heater (650) until the temperature of the cigarette (2000) (or, the heater (650)) reaches the seventh target temperature (T7). Condensed moisture inside the over-humidified cigarette may be vaporized to the outside.
  • the seventh target temperature (T7) may be lower than the first target temperature (T1). That is, the difference between the sixth target temperature (T6) and the seventh target temperature (T7) may be smaller than the difference between the first target temperature (T1) and the sixth target temperature (T2).
  • the first target temperature (T1) may be about 260°C
  • the seventh target temperature (T7) may be 240°C. That is, the temperature difference between the start and end points of the second preheating re-rise section (P33) may be about 50°C.
  • the moisture inside the over-humidified cigarette can be removed more effectively by causing a large temperature difference to condense the moisture inside the over-humidified cigarette and then reheating it.
  • the risk of burns can be expected to be reduced by generating the temperature of the mainstream smoke generated from the over-humidified cigarette at a lower level.
  • the setting of the seventh target temperature (T7) is not limited thereto.
  • the seventh target temperature (T7) may be set to a temperature equal to or higher than the first target temperature (T1).
  • the first correction profile (CP1) may have a second preheat re-rise section (P33) followed by a second preheat hold section (P34).
  • the second preheat hold section (P34) may be shorter than the first preheat hold section (P12) of the base temperature profile (TP). This is due to the production of a lower temperature of the mainstream smoke generated from the over-moistened cigarette (i.e., a seventh target temperature (T7) lower than the first target temperature (T1)).
  • the maintenance time of the second preheating maintenance section (P34) is not limited thereto.
  • the second preheating maintenance section (P34) may be the same as or longer than the first preheating maintenance section (P12) of the basic temperature profile (TP).
  • the first correction profile (CP1) can have a second preheating re-lowering section (P35) following a second preheating holding section (P34).
  • a temperature change in the second preheating re-lowering section (P35) of the first correction profile (CP1) can be greater than a temperature change in the first preheating lowering section (P13) of the base temperature profile (TP).
  • the first preheating lowering section (P13) can change from a first target temperature (T1) to a second target temperature (T2), while the second preheating re-lowering section (P35) can change from a seventh target temperature (T7) to an eighth target temperature (T8).
  • FIG. 10 is an exemplary diagram illustrating a second correction profile for an over-humidified cigarette according to another embodiment to explain the effect of the first correction profile illustrated in FIG. 9.
  • the aerosol generating device (600) can operate the heater (650) by applying the second correction profile (CP2) described below when the inserted cigarette (2000 of FIG. 7a) is determined to be an over-moistened cigarette.
  • CP2 the second correction profile
  • the control unit (610) calculates the heating time (t 2 ) of the cigarette (2000) using the temperature sensor (622), and compares the calculated heating time (t 2 ) of the cigarette (2000) with a preset threshold value to determine the humidity state of the cigarette (2000). If the heating time (t 2 ) is greater than or equal to the threshold value, the control unit (610) can supply power to the heater (650) according to the second correction profile (CP2).
  • a control unit (610) may determine the humidity status of the cigarette (2000) using a humidity detection sensor (628).
  • the second correction profile (CP2) includes a third preheating section (P5) and a third smoking section (P6), and the third preheating section (P5) and the third smoking section (P6) can be divided into further subdivided sections.
  • the third preheating section (P5) may include a third preheating rising section (P51) for raising to a first target temperature (T1) (or, a rising time ( t2 )), a 3-1 preheating holding section (P52) for maintaining the first target temperature (T1), a 3-1 preheating lowering section (P53) for lowering to a fifth target temperature (T5), and a 3-2 preheating holding section (P54) for maintaining the fifth target temperature (T5).
  • the third smoking section (P6) may include a third smoking holding section (P61) for maintaining the fifth target temperature (T5).
  • the third preheating section (P5) includes a third preheating rising section (P51), a third-1 preheating holding section (P52), a third preheating falling section (P53), and a third-2 preheating holding section (P54), and the third smoking section (P6) includes a third smoking holding section (P61).
  • the present invention is not limited thereto, and various modifications are of course possible depending on the shape or type of the cigarette or heater.
  • the third preheating section (P5) of the second correction profile (CP2) may be longer than the first preheating section (P1) of the basic temperature profile (TP).
  • TP basic temperature profile
  • the third preheating rise section (P51) of the second correction profile (CP2) may be longer than the first preheating rise section (P11) of the basic temperature profile (TP). For example, there may be a difference of about 3 to 4 seconds between the time point t 2 of the second correction profile (CP2) and the time point t 1 of the basic temperature profile (TP). That is, since the over-moistened cigarette contains more moisture than a normal cigarette, the evaporation of moisture that must be heated may be delayed, thereby slowing down the heating speed of the cigarette.
  • the 3-1 preheating maintenance section (P52) of the second correction profile (CP2) may be longer than the 1st preheating maintenance section (P12) of the basic temperature profile (TP). This allows more moisture contained inside the cigarette (2000) to evaporate, thereby alleviating the initial heat sensation.
  • the temperature change within the third preheating descending section (P53) of the second correction profile (CP2) may be greater than the temperature change within the first preheating descending section (P13) of the basic temperature profile (TP).
  • the first preheating descending section (P13) may change from the first target temperature (T1) to the third target temperature (T2), but the third preheating descending section (P53) may change from the first target temperature (T1) to the fifth target temperature (T5).
  • the third preheating section (P5) of the second correction profile (CP2) may additionally include a third-second preheating maintenance section (P54) that maintains the fifth target temperature (T5) to alleviate the initial heat sensation.
  • P54 third-second preheating maintenance section
  • the second preheating section (P3) of the first correction profile (CP1) may be shorter than the third preheating section (P5) of the second correction profile (CP2).
  • the first correction profile (CP1) includes a second preheating descending section (P32) for condensing moisture inside the over-humidified cigarette and a second preheating re-rising section (P33) for evaporating the condensed moisture.
  • P32 second preheating descending section
  • P33 second preheating re-rising section
  • the amount of heat applied to the cigarette by the first correction profile (CP1) may be less than the amount of heat applied to the cigarette by the second correction profile (CP2).
  • the area of the graph may correspond to the amount of heat applied to the cigarette.
  • the area of the graph corresponding to the first correction profile (CP1) may be less than the area of the graph corresponding to the second correction profile (CP2).
  • the second correction profile (CP2) vaporizes moisture inside the over-humidified cigarette by maintaining the first target temperature (T1) at a high temperature in the third preheating maintenance section (P52), whereas the first correction profile (CP1) condenses moisture inside the over-humidified cigarette by lowering the temperature from the first target temperature (T1) to the sixth target temperature (T6) in the second preheating decreasing section (P32), and vaporizes the condensed moisture by raising the temperature to the seventh target temperature (T7) lower than the first target temperature (T1) in the second preheating re-rising section (P33).
  • FIG. 11a is a flowchart illustrating an operation method of an aerosol generating device according to one embodiment that takes into account the humidity state of a cigarette.
  • the operating method of the aerosol generating device may include a step (S100) of heating a cigarette (2000) by a heater (650), a step (S200) of measuring the temperature of the heater (650) by a temperature sensor (622) to calculate a heating time of the cigarette (2000), a step (S300) of comparing the calculated heating time of the cigarette (2000) with a preset threshold value to determine a humidity state of the cigarette (2000), a step (S400) of selecting a temperature profile corresponding to the determined humidity state of the cigarette (2000), and a step (S500) of operating the heater (650) with the selected temperature profile.
  • the control unit (610) can determine the time when the temperature of the heater (650) reaches a preset first target temperature (T1) as the heating time of the cigarette (2000).
  • the control unit (610) can determine the cigarette (2000) as a normal cigarette if the heating time is less than the threshold value, and can determine the cigarette (2000) as an over-humidified cigarette if the heating time is greater than the threshold value.
  • the preset threshold value is the time for the over-moistened cigarette to reach the first target temperature (T1), which can be determined experimentally and statistically. Even if the time for reaching the first target temperature (T1) is greater than the threshold value, if the heater (650) is operated according to the basic temperature profile (TP), there is a possibility that the user will feel hot due to the moisture contained inside the cigarette (2000).
  • the control unit (610) may select a basic temperature profile (TP) if the heating time is less than a threshold value, and may select a first correction profile (CP1) if the heating time is greater than or equal to the threshold value.
  • control unit (610) can supply power to the heater (650) according to the basic temperature profile (TP) when the heating time is less than the threshold value, and can supply power to the heater (650) according to the first correction profile (CP1) when the heating time is greater than or equal to the threshold value.
  • 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) can be divided into further sub-sections.
  • the first correction profile (CP1) includes a second preheating section (P3) and a second smoking section (P4), and the second preheating section (P3) and the second smoking section (P4) can be divided into further sub-sections.
  • the first correction profile (CP1) may have a second preheating rise section (P31) followed by a second preheating fall section (P32).
  • the control unit (610) may turn off the heater (650) during the second preheating down section (P32). Meanwhile, the control unit (610) may supply power to the temperature sensor (622) for temperature sensing even during the second preheating down section (P32). The control unit (610) may maintain the turn-off state of the heater (650) until the temperature of the cigarette (2000) (or, the heater (650)) reaches the sixth target temperature (T6) through the temperature sensor (622).
  • the temperature of the cigarette (2000) can be lowered from the first target temperature (T1) to the sixth target temperature (T6).
  • the first target temperature (T1) can be about 260°C
  • the sixth target temperature (T6) can be 190°C. That is, the temperature difference between the starting point and the end point of the second preheating lowering section (P32) can be about 70°C.
  • the first correction profile (CP1) may have a second preheating descending section (P32) followed immediately by a second preheating re-rising section (P33).
  • the control unit (610) may turn on the heater (650) when the temperature of the cigarette (2000) (or, the heater (650)) reaches the sixth target temperature (T6) through the temperature sensor (622).
  • the control unit (610) may operate the heater (650) until the temperature of the cigarette (2000) (or, the heater (650)) reaches the seventh target temperature (T7). Condensed moisture inside the over-humidified cigarette may be vaporized to the outside.
  • the seventh target temperature (T7) may be lower than the first target temperature (T1). That is, the difference between the sixth target temperature (T6) and the seventh target temperature (T7) may be smaller than the difference between the first target temperature (T1) and the sixth target temperature (T2).
  • the first target temperature (T1) may be about 260°C
  • the seventh target temperature (T7) may be 240°C. That is, the temperature difference between the start and end points of the second preheating re-rise section (P33) may be about 50°C.
  • the moisture inside the over-humidified cigarette can be removed more effectively by causing a large temperature difference to condense the moisture inside the over-humidified cigarette and then reheating it.
  • the risk of burns can be expected to be reduced by generating the temperature of the mainstream smoke generated from the over-humidified cigarette at a lower level.
  • the setting of the seventh target temperature (T7) is not limited thereto.
  • the seventh target temperature (T7) may be set to a temperature equal to or higher than the first target temperature (T1).
  • the first correction profile (CP1) may have a second preheat re-rise section (P33) followed by a second preheat hold section (P34).
  • the second preheat hold section (P34) may be shorter than the first preheat hold section (P12) of the base temperature profile (TP). This is due to the production of a lower temperature of the mainstream smoke generated from the over-moistened cigarette (i.e., a seventh target temperature (T7) lower than the first target temperature (T1)).
  • the maintenance time of the second preheating maintenance section (P34) is not limited thereto.
  • the second preheating maintenance section (P34) may be the same as or longer than the first preheating maintenance section (P12) of the basic temperature profile (TP).
  • the first correction profile (CP1) can have a second preheating re-lowering section (P35) following a second preheating holding section (P34).
  • a temperature change in the second preheating re-lowering section (P35) of the first correction profile (CP1) can be greater than a temperature change in the first preheating lowering section (P13) of the base temperature profile (TP).
  • the first preheating lowering section (P13) can change from a first target temperature (T1) to a second target temperature (T2), while the second preheating re-lowering section (P35) can change from a seventh target temperature (T7) to an eighth target temperature (T8).
  • FIG. 11b is a flow chart illustrating an operation method of an aerosol generating device according to another embodiment that takes into account the humidity condition of a cigarette.
  • the embodiment illustrated in Fig. 11b differs from the embodiment illustrated in Fig. 11a in that it determines the humidity state of the cigarette using a temperature sensor, in that it uses a humidity detection sensor to determine the humidity state of the cigarette, but the remaining components are substantially the same.
  • a temperature sensor in that it uses a humidity detection sensor to determine the humidity state of the cigarette, but the remaining components are substantially the same.
  • redundant descriptions of the same components will be omitted, and the differences will be mainly explained.
  • the operating method of the aerosol generating device may include a step (S110) of heating a cigarette (2000) by a heater (650), a step (S210) of measuring the humidity of the cigarette (2000) by using a humidity detection sensor (628), a step (S310) of comparing the measured humidity of the cigarette (2000) with a preset threshold value to determine the humidity state of the cigarette (2000), a step (S410) of selecting a temperature profile corresponding to the determined humidity state of the cigarette (2000), and a step (S510) of operating the heater (650) with the selected temperature profile.
  • the control unit (610) can determine the humidity state of the cigarette (2000) using the humidity detection sensor (628).
  • the humidity detection 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).
  • the humidity detection sensor (628) can be placed in the receiving passage (1004h of FIG. 7a) of the aerosol generating device (600).
  • the humidity detection sensor (628) can measure the amount of moisture condensed around the cigarette (2 of FIG. 2) after heating the cigarette.
  • An over-humidified cigarette can have a greater amount of moisture evaporation during heating compared to a normal cigarette. Due to this, when heating a humidified cigarette rather than a regular cigarette, condensation may occur more.
  • the humidity detection sensor (628) may be placed around an external hole (1002p in FIG. 7a) or a door (1003 in FIG. 7a) that overlaps the receiving passage (1004h in FIG. 7a) of the aerosol generating device (600) in the thickness direction.
  • the humidity detection sensor (628) may be any one of an electrical resistance sensor, a capacitance sensor, and an optical sensor. However, this is merely exemplary, and the humidity detection sensor (628) is not limited thereto.
  • the control unit (610) may determine the cigarette (2000) as a normal cigarette if the measured humidity of the cigarette (2000) is lower than the threshold value, and may determine the cigarette (2000) as an over-humidified cigarette if the measured humidity of the cigarette (2000) is higher than the threshold value.
  • the preset threshold value may be the minimum humidity at which the user can feel hot due to moisture contained inside the cigarette (2000) when the user inhales the aerosol.
  • the control unit (610) may select a basic temperature profile (TP) if the humidity of the measured cigarette (2000) is below a threshold value, and may select a first correction profile (CP1) if the humidity of the measured cigarette (2000) is above the threshold value.
  • TP basic temperature profile
  • CP1 first correction profile
  • the control unit (610) can supply power to the heater (650) according to the basic temperature profile (TP) when the humidity of the measured cigarette (2000) is below the threshold value, and can supply power to the heater (650) according to the first correction profile (CP1) when the humidity of the measured cigarette (2000) is above the threshold value.
  • TP basic temperature profile
  • CP1 first correction profile
  • the aerosol generating device (600) of the present invention can select a temperature profile corresponding to each based on the humidity state of the cigarette (2000) and operate the heater (650) according to the selected temperature profile.
  • the aerosol generating device (600) can provide relief from the heat of the mainstream smoke and secure the amount of vaporization while shortening the preheating time.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

Un dispositif de génération d'aérosol selon un mode de réalisation comprend : un dispositif de chauffage destiné à chauffer une cigarette; un capteur de température destiné à mesurer la température du dispositif de chauffage; et une unité de commande destinée à calculer un temps de chauffage de la cigarette à l'aide du capteur de température, et comparer le temps de chauffage calculé de la cigarette avec une valeur seuil prédéfinie pour déterminer l'état d'humidité de la cigarette. Lorsque le temps de chauffage est supérieur ou égal à la valeur seuil, l'unité de commande fournit de l'énergie au dispositif de chauffage selon un profil modifié comprenant une section de préchauffage qui comprend une section d'abaissement de température destinée à condenser l'humidité dans la cigarette et une section de re-élévation de température destinée à vaporiser l'humidité condensée.
PCT/KR2024/009712 2023-07-13 2024-07-08 Dispositif de génération d'aérosol et son procédé de fonctionnement Pending WO2025014234A1 (fr)

Priority Applications (1)

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CN202480024174.3A CN120882329A (zh) 2023-07-13 2024-07-08 气溶胶生成装置及用于其的操作方法

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KR10-2023-0091353 2023-07-13
KR20230091353 2023-07-13
KR10-2023-0122610 2023-09-14
KR1020230122610A KR20250011041A (ko) 2023-07-13 2023-09-14 에어로졸 생성 장치와 이를 위한 작동 방법

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020008008A1 (fr) * 2018-07-05 2020-01-09 Philip Morris Products S.A. Système de génération d'aérosol chauffé par induction doté d'un capteur de température ambiante
KR20200001637U (ko) * 2019-01-15 2020-07-23 주식회사 케이에이치바텍 전자 담배 장치
KR20220091144A (ko) * 2020-12-23 2022-06-30 주식회사 케이티앤지 에어로졸 생성장치 및 그 동작방법
KR20220136756A (ko) * 2021-04-01 2022-10-11 주식회사 케이티앤지 에어로졸 생성 물품이 과습 상태인지 여부를 판단하는 에어로졸 생성 장치
KR20230034022A (ko) * 2021-09-02 2023-03-09 주식회사 케이티앤지 히터에 대한 전력 공급을 제어하는 에어로졸 생성 장치 및 그의 동작 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020008008A1 (fr) * 2018-07-05 2020-01-09 Philip Morris Products S.A. Système de génération d'aérosol chauffé par induction doté d'un capteur de température ambiante
KR20200001637U (ko) * 2019-01-15 2020-07-23 주식회사 케이에이치바텍 전자 담배 장치
KR20220091144A (ko) * 2020-12-23 2022-06-30 주식회사 케이티앤지 에어로졸 생성장치 및 그 동작방법
KR20220136756A (ko) * 2021-04-01 2022-10-11 주식회사 케이티앤지 에어로졸 생성 물품이 과습 상태인지 여부를 판단하는 에어로졸 생성 장치
KR20230034022A (ko) * 2021-09-02 2023-03-09 주식회사 케이티앤지 히터에 대한 전력 공급을 제어하는 에어로졸 생성 장치 및 그의 동작 방법

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