WO2024004049A1 - エアロゾル生成装置 - Google Patents

エアロゾル生成装置 Download PDF

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Publication number
WO2024004049A1
WO2024004049A1 PCT/JP2022/025827 JP2022025827W WO2024004049A1 WO 2024004049 A1 WO2024004049 A1 WO 2024004049A1 JP 2022025827 W JP2022025827 W JP 2022025827W WO 2024004049 A1 WO2024004049 A1 WO 2024004049A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
aerosol
generation device
section
aerosol generation
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.)
Ceased
Application number
PCT/JP2022/025827
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
宣弘 竜田
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.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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
Application filed by Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to JP2024530133A priority Critical patent/JP7746576B2/ja
Priority to EP22949325.9A priority patent/EP4544934A4/en
Priority to KR1020257002177A priority patent/KR20250026846A/ko
Priority to CN202280097383.1A priority patent/CN119421646A/zh
Priority to PCT/JP2022/025827 priority patent/WO2024004049A1/ja
Publication of WO2024004049A1 publication Critical patent/WO2024004049A1/ja
Priority to US18/991,751 priority patent/US20250120446A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • 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
    • 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
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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
    • A24F40/70—Manufacture
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • 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
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to an aerosol generation device.
  • a suction device can generate an aerosol by heating an aerosol source. Thereby, the user can enjoy the flavor of the aerosol by sucking the aerosol generated by the suction device.
  • the suction device can generate an aerosol from the aerosol-generating base material by heating the aerosol-generating base material including the aerosol source from the outer periphery.
  • the heat used for heating is conducted to the casing of the suction device and transferred to the hands of the user who is holding the suction device, which may cause the user to feel discomfort. be. Therefore, in a peripheral heating type suction device, it is important to have a heat insulating structure that suppresses conduction of heat to the casing.
  • Patent Document 1 listed below discloses a device for heating smokable material that suppresses conduction of heat to the casing by providing a heat insulating region surrounding a heating zone.
  • the heating zone that heats the aerosol-generating substrate is covered with a heat insulating region, making it difficult to directly measure the temperature of the heating zone. Therefore, with the device disclosed in Patent Document 1, it was difficult to measure the temperature of the heating zone with high accuracy.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a new and improved aerosol generation device that can measure the temperature of the heat generating part with higher precision.
  • Our goal is to provide the following.
  • the present invention has a housing space for housing an aerosol-generating base material, and a cylindrical structure, and an inner surface of the cylindrical structure faces the housing space.
  • An aerosol generation device is provided.
  • the heat generating section may generate heat by induction heating using a varying magnetic field
  • the temperature detecting section may be provided corresponding to an electromagnetic induction source that generates the varying magnetic field.
  • the heat insulating structure may include a first member facing the housing space, and a second member covering an outer surface of the first member and forming a sealed space between the first member and the first member. .
  • the first member and the second member may be made of different materials.
  • the first member and the second member may be joined to each other by brazing.
  • the temperature detection section may be provided inside the sealed space of the heat insulating structure.
  • the interior of the sealed space may be in a vacuum state.
  • a part of the first member may function as the heat generating portion by generating heat through induction heating.
  • the temperature detection section may be fixed to the first member functioning as the heat generating section using a thermosetting adhesive.
  • the temperature detection section may detect the temperature of the heat generating section.
  • the temperature detection section may include a thermocouple.
  • thermocouple An air flow that transports the aerosol generated from the aerosol generation base material flows through the accommodation space, and the thermocouple is provided with an air flow that extends to the upstream side of the air flow to be drawn out to the outside of the heat insulating structure.
  • a heat-resistant cable may be connected.
  • FIG. 1 is a schematic diagram showing a configuration example of a suction device according to an embodiment of the present invention. It is a typical sectional view showing the composition of the holding part with which a suction device is provided. It is a typical sectional view showing the composition of the holding part concerning a modification.
  • FIG. 1 is a schematic diagram showing a configuration example of a suction device 100 according to the present embodiment.
  • the suction device 100 includes, for example, a power supply section 111, a sensor section 112, a notification section 113, a storage section 114, a communication section 115, a control section 116, an electromagnetic induction source 162, A holding part 140 is provided.
  • the suction device 100 performs induction heating (IH) on the stick-type base material 150 including the aerosol source while holding the stick-type base material 150 in the holding part 140.
  • IH induction heating
  • the aerosol source included in the stick-type base material 150 is atomized to generate an aerosol from the stick-type base material 150, and the generated aerosol is inhaled by the user.
  • the suction device 100 and the stick-type base material 150 cooperate to generate an aerosol that is suctioned by the user. Therefore, the combination of the suction device 100 and the stick-type base material 150 can be regarded as an aerosol generation system.
  • the power supply unit 111 stores power and supplies power to each component of the suction device 100.
  • the power supply unit 111 may be configured by, for example, a rechargeable and dischargeable secondary battery such as a lithium ion secondary battery.
  • the power supply unit 111 may be charged by being connected to an external power supply via a USB (Universal Serial Bus) cable or the like. Further, the power supply unit 111 may be charged by a power transmission device that is not directly connected using wireless power transmission technology. Furthermore, the power supply unit 111 may be provided to be detachable from the suction device 100, or may be provided to be replaceable with a new power supply unit 111.
  • the sensor unit 112 detects various information regarding the suction device 100 and outputs the detected information to the control unit 116.
  • the sensor unit 112 may be configured with a pressure sensor such as a condenser microphone, a flow rate sensor, or a temperature sensor. In such a case, when the sensor unit 112 detects a numerical value associated with suction by the user, it can output information indicating that suction has been performed by the user to the control unit 116.
  • the sensor unit 112 may be configured with an input device such as a button or a switch that accepts information input from the user, and may include a button for instructing to start/stop the generation of aerosol, for example. Good too.
  • the sensor unit 112 can output information input by the user to the control unit 116.
  • the sensor section 112 may be configured with a temperature sensor that detects the temperature of a heat generating section that heats the stick-type base material 150.
  • the temperature sensor may detect the temperature of the heat generating portion based on the electrical resistance value of the electromagnetic induction source 162, for example.
  • the sensor section 112 can detect the temperature of the stick-shaped base material 150 held by the holding section 140 based on the temperature of the heat generating section.
  • the notification unit 113 notifies the user of information.
  • the notification unit 113 may be configured with a light emitting device such as an LED (Light Emitting Diode). According to this, the notification unit 113 emits different light emission patterns when the power supply unit 111 requires charging, when the power supply unit 111 is charging, or when an abnormality occurs in the suction device 100. Can emit light.
  • the light emission pattern here is a concept that includes color, timing of turning on/off, and the like.
  • the notification unit 113 may be configured with a display device that displays an image, a sound output device that outputs sound, a vibration device that vibrates, or the like together with or in place of the light emitting device.
  • the notification unit 113 may notify information indicating that suction by the user is now possible. Information indicating that suction by the user is now possible is notified to the user, for example, when the temperature of the stick-shaped base material 150 that has been subjected to induction heating reaches a predetermined temperature.
  • the storage unit 114 stores various information for the operation of the suction device 100.
  • the storage unit 114 is configured by, for example, a nonvolatile storage medium such as a flash memory.
  • An example of the information stored in the storage unit 114 is information regarding the OS (Operating System) of the suction device 100, such as control details of various components by the control unit 116.
  • Another example of the information stored in the storage unit 114 is information related to suction by the user, such as the number of suctions, the time of suction, or the cumulative suction time.
  • the communication unit 115 is a communication interface for transmitting and receiving information between the suction device 100 and other devices.
  • the communication unit 115 can perform communication based on any wired or wireless communication standard.
  • a communication standard for example, wireless LAN (Local Area Network), wired LAN, Wi-Fi (registered trademark), Bluetooth (registered trademark), etc. may be adopted.
  • the communication unit 115 may transmit information regarding suction by the user to the smartphone in order to display the information regarding suction by the user on the smartphone.
  • the communication unit 115 may receive new OS information from a server in order to update the OS information stored in the storage unit 114.
  • the control unit 116 functions as an arithmetic processing device and a control device, and controls overall operations within the suction device 100 according to various programs.
  • the control unit 116 may be realized by, for example, an electronic circuit such as a CPU (Central Processing Unit) or a microprocessor. Further, the control unit 116 may include a ROM (Read Only Memory) that stores programs to be used, calculation parameters, etc., and a RAM (Random Access Memory) that temporarily stores parameters that change as appropriate.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • control unit 116 may control execution of various processes related to the operation of the suction device 100.
  • the control unit 116 may feed power from the power supply unit 111 to other components, charge the power supply unit 111, detect information by the sensor unit 112, notify information by the notification unit 113, store information by the storage unit 114, or Execution of processing such as reading and transmission and reception of information by the communication unit 115 may be controlled.
  • the control unit 116 can also control the input of information to each component and the execution of processing based on information output from each component, which are executed by the suction device 100.
  • the holding part 140 has a housing space 141 and an opening 142 that communicates the housing space 141 with the outside, and holds the stick-shaped base material 150 inserted into the housing space 141 from the opening 142.
  • the holding portion 140 may have a cylindrical shape with the opening 142 and the bottom portion 143 as the bottom surface and the columnar accommodation space 141 defined on the side surface.
  • the holding part 140 has an inner diameter smaller than the outer diameter of the stick-type base material 150 in at least a part of the height direction of the cylindrical shape, so that the stick-type base material 150 inserted into the accommodation space 141 can be held in the holding part 140. It can be held by pressing from the outer periphery.
  • the holding portion 140 also has the function of defining an air flow path through the stick-type base material 150.
  • An air inflow hole which is an inlet of air into the flow path, is arranged at the bottom 143, for example.
  • the air outlet hole, which is the outlet of the air from the flow path, is the opening 142.
  • a part of the holding section 140 also functions as a heat generating section.
  • the holding part 140 facing the accommodation space 141 is made of a material that generates heat due to electromagnetic induction from the electromagnetic induction source 162
  • the holding part 140 may be heated by induction heating from the electromagnetic induction source 162 to prevent the stick-shaped base material from being heated. It is possible to heat 150.
  • the stick-type base material 150 is a stick-type member that includes an aerosol source.
  • the aerosol source is heated and atomized to produce an aerosol.
  • the aerosol source may be, for example, a processed product derived from tobacco, or a processed product obtained by molding shredded tobacco or tobacco raw material into granules, sheets, or powder.
  • the aerosol source may also include non-tobacco-derived components produced from plants other than tobacco, such as mint and herbs.
  • the aerosol source may include a perfume ingredient. If the suction device 100 is a medical inhaler, the aerosol source may include a medicament for inhalation by the patient.
  • the aerosol source is not limited to solids, but may be, for example, polyhydric alcohols such as glycerin and propylene glycol, and liquids such as water.
  • the area of the stick-type base material 150 that includes the aerosol source is accommodated in the accommodation space 141 of the holding part 140 while the stick-type base material 150 is held by the holding part 140 .
  • the stick-shaped base material 150 protrudes from the opening 142 in a state where the stick-shaped base material 150 is held by the holding part 140.
  • the electromagnetic induction source 162 is provided further outside the holding part 140 along the insertion direction of the stick-type base material 150.
  • the electromagnetic induction source 162 can generate a fluctuating magnetic field at a position overlapping a part of the holding section 140 by being supplied with alternating current from the power supply section 111 .
  • the electromagnetic induction source 162 can generate Joule heat in the holding part 140 by causing the holding part 140, which functions as a heat generating part, to generate an eddy current by electromagnetic induction.
  • the electromagnetic induction source 162 can cause the holding section 140, which functions as a heat generating section, to generate heat by generating hysteresis loss due to electromagnetic induction.
  • the heat generated in the holding part 140 generates aerosol by heating the aerosol source included in the stick-type base material 150.
  • the suction device 100 supplies power to the electromagnetic induction source 162 and heats the aerosol source included in the stick-shaped base material 150 by induction. , may generate an aerosol.
  • the suction device 100 allows suction by the user.
  • the suction device 100 may stop supplying power to the electromagnetic induction source 162.
  • the suction device 100 may, for example, supply power to the electromagnetic induction source 162 and generate an aerosol during a period when the sensor unit 112 detects that the user has performed suction.
  • a portion of the holding section 140 functions as a heat generating section, and also functions as a heat insulating element that suppresses heat generated in the heat generating section from being conducted to the casing.
  • the holding part 140 is made of a material whose inner surface facing the accommodation space 141 is heated by induction, and a heat insulating structure is formed between the inner surface and the outer surface. According to this, the suction device 100 can realize a heat generating part that heats the stick-type base material 150 from the outer periphery and a heat insulating structure that suppresses heat conduction from the heat generating part in the holding part 140. The entire structure can be downsized.
  • a temperature detection section is provided inside the heat insulating structure at a position corresponding to a partial region of the holding section 140 that functions as a heat generating section. According to this, the suction device 100 can directly measure the temperature of the heat generating part with the temperature detection part without being affected by the heat insulation function of the heat insulation structure.
  • FIG. 2 is a schematic cross-sectional view showing the configuration of the holding section 140 included in the suction device 100.
  • the holding section 140 includes a first member 171, a second member 172, and a temperature detection section 181.
  • the first member 171 has a cylindrical structure whose inner surface faces the accommodation space 141 that accommodates the stick-shaped base material 150.
  • the first member 171 is made of a material that can be inductively heated by a fluctuating magnetic field, and thus functions as a susceptor that heats the stick-shaped base material 150.
  • the first member 171 may be made of a ferromagnetic material such as iron, nickel, or cobalt that is relatively easily heated by induction, or may be made of an alloy or compound mainly made of these ferromagnetic materials. .
  • the second member 172 has a cylindrical structure that covers the first member 171 and forms a sealed space 173 between the second member 172 and the outer surface of the first member 171 .
  • the inside of the sealed space 173 may be, for example, a vacuum space of 10 ⁇ 2 Pa or less. According to this, the holding part 140 can suppress conduction of heat from the first member 171 to the second member 172 by vacuum insulation of the sealed space 173.
  • the second member 172 may be made of any material as long as it can be joined to the first member 171, and may be made of a different material from the first member 171.
  • the first member 171 and the second member 172 can form a sealed space 173 by being joined to each other at joints 174 at both ends of each cylindrical structure. Specifically, in the joint portion 174, both ends of the cylindrical structure of the second member 172 are bent twice so that a step is formed toward the outer surface of the first member 171, and the formed step is bent twice. The tip end is joined to the outer surface of the first member 171. Thereby, a sealed space 173 is formed between the first member 171 and the second member 172 in a cylindrical shape so as to cover the first member 171.
  • the holding part 140 is a heat generating part that is in close contact with the first member 171 and the stick-shaped base material 150. It is possible to further improve the quality.
  • Such a joint 174 can be formed, for example, by the following method. First, both ends of the cylindrical structure of the second member 172 are processed so that a step is formed, and then the first member 171 is inserted inside the second member 172 with adhesive or sealant applied to the step. be done. Next, after one end of the first member 171 and the second member 172 coated with adhesive are joined by brazing or the like, the inside of the sealed space 173 is evacuated from the other end coated with the sealant. be done. Thereafter, the other end coated with the sealant is sealed by brazing or the like.
  • the temperature detection unit 181 is provided inside the sealed space 173 between the first member 171 and the second member 172, corresponding to the heat generating region 162S of the first member 171 that is heated by induction.
  • the heat generating region 162S is a region where the fluctuating magnetic field generated by the electromagnetic induction source 162 is superimposed on the first member 171.
  • the first member 171 on which the fluctuating magnetic field is superimposed can heat the stick-shaped base material 150 facing the first member 171 in the heat generating region 162S by being induction heated.
  • the heat generating region 162S may be a region where the outer periphery of the holding portion 140 is covered by the induction coil that is the electromagnetic induction source 162.
  • the temperature detection unit 181 is attached to the outer surface of the first member 171 within the sealed space 173 of the heat generating region 162S. According to this, the temperature detection unit 181 can directly measure the temperature of the first member 171 that is heated by induction. Therefore, the temperature detection unit 181 measures the temperature of the first member 171 in a region outside the heat generating region 162S, or measures the temperature of the first member 171 remotely from emitted infrared rays. , it is possible to measure the temperature of the first member 171 that is subjected to induction heating with higher precision.
  • the temperature detection unit 181 may include, for example, a thermocouple as a temperature sensor.
  • the thermocouple is a temperature sensor that measures the temperature difference based on the thermoelectromotive force generated at the junction of two types of metal, and is attached to the outer surface of the first member 171 of the heat generating area 162S with a thermosetting adhesive. By being attached, the temperature of the first member 171 can be measured.
  • the heat-resistant cable 182 is, for example, a cable that has heat resistance of 500° C. or higher, extends upstream from the temperature detection section 181, and is drawn out of the sealed space 173.
  • the upstream side refers to the upstream side of the airflow that flows through the accommodation space 141 and transports the aerosol generated from the stick-type base material 150. That is, the bottom 143 side of the holding part 140 is the upstream side.
  • the opening for passing the heat-resistant cable 182 from the sealed space 173 to the outside may be sealed by, for example, brazing.
  • the suction device 100 even when heat conduction to the housing is suppressed by vacuum insulation by the sealed space 173, the first member 171 of the heat generating region 162S It is possible to measure the temperature by direct contact with the temperature detection section 181. Therefore, the suction device 100 can measure the temperature of the first member 171 of the heat generating region 162S that is heated by induction with higher accuracy, and therefore can heat the stick-shaped base material 150 more efficiently. It is.
  • FIG. 3 is a schematic cross-sectional view showing the configuration of a holding section 140A according to a modification.
  • the holding section 140A includes a first member 171, a second member 172, a heat generating section 163, and a temperature detecting section 181.
  • the holding part 140A according to the modification is different from the holding part 140 shown in FIG. 2 in that the first member 171 is not heated by induction, and a heat generating part 163 is further provided on the inner surface of the first member 171.
  • the first member 171 has a cylindrical structure whose inner surface faces the accommodation space 141 that accommodates the stick-type base material 150.
  • the second member 172 has a cylindrical structure that covers the first member 171 and forms a sealed space 173 between the second member 172 and the outer surface of the first member 171 .
  • the inside of the sealed space 173 may be, for example, a vacuum space of 10 ⁇ 2 Pa or less. According to this, the holding part 140 can suppress conduction of heat from the accommodation space 141 to the second member 172 by vacuum insulation of the sealed space 173.
  • the first member 171 and the second member 172 may be made of metal, glass, or the like that can be easily bonded to each other.
  • the first member 171 and the second member 172 can form a sealed space 173 by being joined to each other at joints 174 at both ends of each cylindrical structure. Specifically, in the joint portion 174, both ends of the cylindrical structure of the second member 172 are bent twice so that a step is formed toward the outer surface of the first member 171, and the formed step is bent twice. The tip end is joined to the outer surface of the first member 171. Thereby, a sealed space 173 is formed between the first member 171 and the second member 172 in a cylindrical shape so as to cover the first member 171.
  • the heat generating part 163 is a resistance heat generating part attached along the inner surface of the first member 171.
  • the heat generating section 163 may be a film heater in which wiring that generates resistance heat is sandwiched between insulating films.
  • the heat generating part 163 is attached along the inner surface of the first member 171 in the heat generating area 162S corresponding to the area filled with the aerosol source of the stick type base material 150.
  • the temperature detection section 181 is provided in the sealed space 173 between the first member 171 and the second member 172, corresponding to the heat generating region 162S in which the heat generating section 163 is provided.
  • the temperature detection unit 181 may include, for example, a thermocouple as a temperature sensor.
  • the temperature detection unit 181 is attached to the outer surface of the first member 171 within the sealed space 173 of the heat generating region 162S using a thermosetting adhesive or the like. According to this, the temperature detection section 181 can measure the temperature of the heat generating section 163 via the first member 171.
  • the temperature of the heat generating portion 163 can be estimated from the electrical resistance value of the resistance heating wiring included in the film heater.
  • the temperature of the heat generating section 163 can be measured by the temperature detecting section 181, so that the temperature of the heat generating section 163 can be measured with higher accuracy.
  • the holding section 140A according to the modification includes a plurality of means for measuring the temperature of the heat generating section 163, so that even if an error occurs in one temperature measuring means, the temperature of the heat generating section 163 can be measured by the other temperature measuring means. It is possible to measure
  • the heat-resistant cable 182 is, for example, a cable that has heat resistance of 500° C. or higher, extends upstream from the temperature detection section 181, and is drawn out of the sealed space 173.
  • the opening for passing the heat-resistant cable 182 from the sealed space 173 to the outside may be sealed by, for example, brazing.
  • a housing space for housing an aerosol-generating base material a heat insulating structure having a cylindrical structure and facing the accommodation space on an inner surface of the cylindrical structure; a heat generating part provided on a part of the inner surface of the heat insulating structure; a temperature detecting section provided inside the heat insulating structure corresponding to the heat generating section;
  • An aerosol generation device comprising: (2) The heat generating part generates heat by induction heating by a fluctuating magnetic field, The aerosol generation device according to (1), wherein the temperature detection section is provided corresponding to an electromagnetic induction source that generates the fluctuating magnetic field.
  • the heat insulating structure includes a first member facing the housing space, and a second member that covers an outer surface of the first member and forms a sealed space between the first member and the first member.
  • (6) The aerosol generation device according to any one of (3) to (5), wherein the temperature detection section is provided inside the sealed space of the heat insulating structure.
  • Suction device 111 Power supply section 112 Sensor section 113 Notification section 114 Storage section 115 Communication section 116 Control section 140, 140A Holding section 141 Accommodation space 142 Opening 143 Bottom section 150 Stick type base material 162 Electromagnetic induction source 162S Heat generation region 163 Heat generation section 171 No. 1 member 172 2nd member 173 Sealed space 174 Joint part 181 Temperature detection part 182 Heat-resistant cable

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Thermal Insulation (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
PCT/JP2022/025827 2022-06-28 2022-06-28 エアロゾル生成装置 Ceased WO2024004049A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2024530133A JP7746576B2 (ja) 2022-06-28 2022-06-28 エアロゾル生成装置
EP22949325.9A EP4544934A4 (en) 2022-06-28 2022-06-28 Aerosol generation device
KR1020257002177A KR20250026846A (ko) 2022-06-28 2022-06-28 에어로졸 생성 장치
CN202280097383.1A CN119421646A (zh) 2022-06-28 2022-06-28 气溶胶生成装置
PCT/JP2022/025827 WO2024004049A1 (ja) 2022-06-28 2022-06-28 エアロゾル生成装置
US18/991,751 US20250120446A1 (en) 2022-06-28 2024-12-23 Aerosol generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/025827 WO2024004049A1 (ja) 2022-06-28 2022-06-28 エアロゾル生成装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/991,751 Continuation US20250120446A1 (en) 2022-06-28 2024-12-23 Aerosol generation device

Publications (1)

Publication Number Publication Date
WO2024004049A1 true WO2024004049A1 (ja) 2024-01-04

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JP2018529324A (ja) * 2015-08-31 2018-10-11 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッドＢｒｉｔｉｓｈ Ａｍｅｒｉｃａｎ Ｔｏｂａｃｃｏ （Ｉｎｖｅｓｔｍｅｎｔｓ） Ｌｉｍｉｔｅｄ 喫煙材を加熱するための装置
JP2020532977A (ja) 2017-09-15 2020-11-19 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッドＢｒｉｔｉｓｈ Ａｍｅｒｉｃａｎ Ｔｏｂａｃｃｏ （Ｉｎｖｅｓｔｍｅｎｔｓ） Ｌｉｍｉｔｅｄ 喫煙材を加熱するための装置

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US12239165B2 (en) * 2019-03-11 2025-03-04 Nicoventures Trading Limited Aerosol provision device
CN216147266U (zh) * 2021-07-22 2022-04-01 深圳麦克韦尔科技有限公司 加热器件及电子雾化装置

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JP2018529324A (ja) * 2015-08-31 2018-10-11 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッドＢｒｉｔｉｓｈ Ａｍｅｒｉｃａｎ Ｔｏｂａｃｃｏ （Ｉｎｖｅｓｔｍｅｎｔｓ） Ｌｉｍｉｔｅｄ 喫煙材を加熱するための装置
JP2020532977A (ja) 2017-09-15 2020-11-19 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッドＢｒｉｔｉｓｈ Ａｍｅｒｉｃａｎ Ｔｏｂａｃｃｏ （Ｉｎｖｅｓｔｍｅｎｔｓ） Ｌｉｍｉｔｅｄ 喫煙材を加熱するための装置

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See also references of EP4544934A4

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CN119421646A (zh) 2025-02-11
JP7746576B2 (ja) 2025-09-30
EP4544934A4 (en) 2026-04-15
EP4544934A1 (en) 2025-04-30
KR20250026846A (ko) 2025-02-25
US20250120446A1 (en) 2025-04-17
JPWO2024004049A1 (https=) 2024-01-04

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