WO2024004213A1 - Dispositif de génération d'aérosol et système de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol et système de génération d'aérosol Download PDF

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Publication number
WO2024004213A1
WO2024004213A1 PCT/JP2022/026501 JP2022026501W WO2024004213A1 WO 2024004213 A1 WO2024004213 A1 WO 2024004213A1 JP 2022026501 W JP2022026501 W JP 2022026501W WO 2024004213 A1 WO2024004213 A1 WO 2024004213A1
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WO
WIPO (PCT)
Prior art keywords
aerosol generation
generation device
aerosol
cylindrical structure
space
Prior art date
Application number
PCT/JP2022/026501
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English (en)
Japanese (ja)
Inventor
宣弘 竜田
Original Assignee
日本たばこ産業株式会社
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.)
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Publication date
Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to PCT/JP2022/026501 priority Critical patent/WO2024004213A1/fr
Publication of WO2024004213A1 publication Critical patent/WO2024004213A1/fr

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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
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating

Definitions

  • the present invention relates to an aerosol generation device and an aerosol generation system.
  • 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 provide 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 area whose inside is evacuated.
  • the inner wall of the heat-insulating region in contact with the heating zone is made of a metal or metal alloy that is heated by induction
  • the outer wall of the heat-insulating region is made of glass or ceramic that is not heated by induction.
  • an object of the present invention is to more reliably suppress the conduction of heat to the casing by further increasing the reliability of the heat insulating structure.
  • An object of the present invention is to provide a new and improved aerosol generation device and an aerosol generation system that are capable of generating aerosols.
  • 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.
  • a first member; a second member having a cylindrical structure, covering the first member and forming a sealed space between the first member and the second member; is made of a material that can be inductively heated by a varying magnetic field, and the energy loss per unit time of the first member is greater than the energy loss per unit time of the second member in the same fluctuating magnetic field, the aerosol generation Equipment is provided.
  • the first member and the second member may be joined to each other at joints provided at both ends of each of the cylindrical structures.
  • first member and the second member may be joined by bending both ends of the cylindrical structure of the second member toward an outer surface of the first member with a step. good.
  • first member and the second member may be joined by bending both ends of the cylindrical structure of the first member toward an inner surface of the second member with a step. good.
  • the first member and the second member may be joined to each other by brazing.
  • the hysteresis loss per unit time of the first member in the same fluctuating magnetic field may be greater than the hysteresis loss per unit time of the second member.
  • the first member and the second member may be made of a metal material.
  • the electromagnetic induction source may be provided corresponding to a part of the accommodation space.
  • the distance from the upstream end of the accommodation space to the space corresponding to the electromagnetic induction source may be shorter than the distance from the downstream end of the accommodation space to the space corresponding to the electromagnetic induction source.
  • An air flow path is formed between the inner surface of the exterior part and the outer surface of the second member, and the air that has passed through the air flow path is transferred from the other bottom surface side of the columnar structure to the accommodation surface. It can flow into space.
  • It may further include a heat insulating member that covers the outer surface of the second member.
  • the interior of the sealed space may be in a vacuum state.
  • the present invention includes an aerosol generation base material including an aerosol source, and an aerosol generation device that heats the aerosol generation base material, and the aerosol generation device has a housing space for housing the aerosol-generating base material, a first member having a cylindrical structure and facing the housing space on an inner surface of the cylindrical structure, and a first member having a cylindrical structure and having a cylindrical structure, a second member that covers the first member and forms a sealed space between the first member and the first member, the first member and the second member being made of a material that can be heated inductively by a fluctuating magnetic field;
  • An aerosol generation system is provided in which the energy loss per unit time of the first member is greater than the energy loss per unit time of the second member in the same varying magnetic field.
  • 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 the suction device concerning this embodiment is provided. It is a typical sectional view showing the composition of the holding part concerning the 1st modification. It is a typical sectional view showing the composition of the holding part concerning the 2nd modification. It is a typical sectional view showing the composition of the holding part concerning the 3rd 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), or the like 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.
  • 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.
  • the holding part 140 functions as a heat generating part as described above, and also functions as a heat insulating structure that suppresses conduction of heat generated in the heat generating part 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.
  • the suction device 100 can include a heat generating section that heats the stick-shaped base material 150 from the outer periphery in the holding section 140 and a heat insulating structure that suppresses heat conduction from the heat generating section.
  • the entire structure can be downsized.
  • the reliability of the heat insulation structure can be further improved by configuring the inner and outer surfaces of the holding portion 140 with the same type of material that is firmly bonded.
  • FIG. 2 is a schematic cross-sectional view showing the configuration of the holding section 140 included in the suction device 100.
  • the holding portion 140 is provided by joining a first member 171 and a second member 172 to each other.
  • 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 in order to function as a susceptor that heats 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 is, for example, a vacuum space of 10 ⁇ 2 Pa or less.
  • the holding part 140 can suppress conduction of heat from the first member 171 on the inner surface to the second member 172 on the outer surface by vacuum insulation of the sealed space 173.
  • the thicknesses of the first member 171 and the second member 172 may be substantially the same or different from each other.
  • the thickness of the first member 171 may be thicker or thinner than the thickness of the second member 172.
  • the second member 172 is made of a material that can be inductively heated by a fluctuating magnetic field.
  • the second member 172 is made of a material that causes less energy loss per unit time due to the same fluctuating magnetic field than the first member 171.
  • the second member 172 may be made of a material that causes less energy loss than the first member 171 per unit time in the same fluctuating magnetic field and per unit volume of the same shape.
  • Energy loss refers to the combined loss of eddy current loss and hysteresis loss due to a fluctuating magnetic field.
  • the second member 172 may be made of a material that causes less hysteresis loss per unit time than the first member 171 due to the same varying magnetic field.
  • the second member 172 may be made of a material that has less hysteresis loss than the first member 171 per unit time in the same varying magnetic field and per unit volume of the same shape. According to this, the second member 172 can reduce the temperature difference with the first member 171 during induction heating by a fluctuating magnetic field, and therefore can suppress heat conduction from the first member 171. Note that since the amount of heat generated from the second member 172 is smaller than that from the first member 171, heat conduction from the second member 172 to the casing of the suction device 100 can be improved without providing a special heat insulation structure. The impact is thought to be small.
  • the first member 171 and the second member 172 may be made of a metal material.
  • 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 may be made of a paramagnetic material such as copper or aluminum that is relatively difficult to be heated by induction, or may be made of an alloy or compound mainly made of these paramagnetic materials.
  • the first member 171 and the second member 172 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 first member 171 and the second member 172 are made of a material that can be heated by induction. Therefore, the first member 171 and the second member 172 are of relatively the same type, for example, a combination of a ferromagnetic metal such as iron, nickel, or cobalt and a paramagnetic metal such as copper or aluminum. Composed of materials. That is, in the suction device 100 according to the present embodiment, the first member 171 and the second member 172 are made of a material such as a combination of a ferromagnetic metal such as iron, nickel, or cobalt and an insulator such as ceramic or glass. Not composed of dissimilar materials. Therefore, in the suction device 100 according to the present embodiment, the first member 171 and the second member 172 made of relatively the same kind of material can be more firmly joined by brazing or the like.
  • the electromagnetic induction source 162 that inductively heats the first member 171 and the second member 172 is an induction coil, and is provided on the outer periphery of the second member 172. Therefore, the region where the fluctuating magnetic field from the electromagnetic induction source 162 is superimposed and the first member 171 and the second member 172 are heated by induction becomes the heating region HL.
  • the heating region HL is configured to heat at least a portion of the aerosol source (e.g., tobacco portion) of the stick-type base material 150 in the extending direction of the storage space 141 when the stick-type base material 150 is appropriately stored in the storage space 141. be configured accordingly.
  • the heating region HL may be provided at a position where the distance UL from the upstream end of the holding portion 140 is shorter than the distance DL from the downstream end in the extending direction of the holding portion 140.
  • the upstream and downstream sides refer to upstream and downstream in the air flow that passes through the accommodation space 141 and transports the aerosol generated from the stick-shaped substrate 150. That is, the bottom 143 side of the holding part 140 is the upstream side, and the opening 142 side of the holding part 140 is the downstream side.
  • the heating region HL ranges from the downstream end of the induction coil located on the most downstream side to the upstream end of the induction coil located on the most upstream side. It may also be a region up to the side edge.
  • the holding part 140 can function as a heat generating part (i.e., a susceptor) that heats the stick-shaped base material 150 and a heat insulating structure that suppresses heat conduction from the heat generating part. It is possible to make it more compact.
  • a heat generating part i.e., a susceptor
  • first member 171 and the second member 172 are each made of a material that can be heated by induction, so that they can be more firmly joined. According to this, the suction device 100 can further improve the reliability of the heat insulation structure formed by the first member 171 and the second member 172.
  • FIG. 3 is a schematic cross-sectional view showing the configuration of a holding portion 140A according to the first modification.
  • the holding section 140A differs from the holding section 140 shown in FIG. 2 in that it further includes a heat insulating member 175.
  • the heat insulating member 175 is provided to cover the outer surface of the second member 172 and suppresses heat generated from the second member 172 by induction heating from being conducted to the casing of the suction device 100.
  • the heat insulating member 175 may be, for example, a sheet-like member that is wound along the outer surface of the second member 172 while being adhered to the second member 172, and may be a cylinder into which the second member 172 can be inserted. It may be a shaped member.
  • the heat insulating member 175 may be composed of a single member.
  • the heat insulating member 175 may be constructed by wrapping a single member around the second member 172 so as to cover the entire outer surface of the second member 172 including the joints 174 at both ends.
  • the heat insulating member 175 may be composed of a plurality of members.
  • the heat insulating member 175 is composed of three members: an annular member that covers the joint 174 on the downstream side, an annular member that covers the joint 174 on the upstream side, and a cylindrical member that covers the outer surface of the second member 172. Good too.
  • the heat insulating member 175 may be, for example, a laminate including a porous sheet of foam or felt having heat insulating properties, an airgel sheet, or a laminate including an aluminum sheet having heat reflective properties. Good too. Further, the heat insulating member 175 may be a laminate including a porous sheet, an airgel sheet, or an aluminum sheet.
  • the holding part 140A uses the heat insulating member 175 to suppress the heat generated from the second member 172 made of a material capable of induction heating from being conducted to the casing of the suction device 100. be able to. Therefore, the holding portion 140A can further reduce the possibility that the user holding the suction device 100 will feel uncomfortable.
  • FIG. 4 is a schematic cross-sectional view showing the configuration of a holding portion 140B according to a second modification.
  • the holding part 140B is joined to the holding part 140 shown in FIG. 2 by bending both ends of the cylindrical structure of the first member 171 toward the inner surface of the second member 172.
  • the difference is that a joint portion 174B is formed by doing so.
  • both ends of the cylindrical structure of the first member 171 are bent twice so that a step is formed toward the inner surface of the second member 172, and the formed step is bent twice.
  • the tip end is joined to the inner surface of the second member 172.
  • 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 suction device 100 can further improve the comfort of the user in sucking the aerosol. Furthermore, by providing guides for the stick-type base material 150 to be inserted into the accommodation space 141 in the spaces at both ends of the holding portion 140B, the stick-type base material 150 can be positioned more easily.
  • the holding part 140B can hold the first member 171 and the second member 172 even when both ends of the cylindrical structure of the first member 171 are bent toward the inner surface of the second member 172. It is possible to join. Even in such a case, the holding portion 140B can similarly further suppress heat conduction to the casing of the suction device 100.
  • FIG. 5 is a schematic cross-sectional view showing the configuration of a holding portion 140C according to a third modification.
  • the holding part 140C differs from the holding part 140 shown in FIG. 2 in that it further includes an exterior part 180.
  • the exterior part 180 has a top support part 181, a side part 182, a bottom support part 183, and a bottom part 184, and accommodates the first member 171 and the second member 172 therein.
  • the exterior portion 180 has a columnar structure in which the side surface portion 182 is a side surface, the bottom surface portion 184 is one bottom surface, and the other bottom surface is open.
  • the exterior part 180 supports the joint parts 174 at both ends with a top support part 181 and a bottom support part 183 provided on both bottom sides of the columnar structure, so that the first member 171 and the second member 172 can be attached to the inside. to be accommodated.
  • the upper surface support portion 181 is provided with a ventilation hole 181H that allows air to flow in the extending direction of the first member 171 and the second member 172.
  • the bottom support portion 183 is provided with a vent hole 183H that allows air to flow in the extending direction of the first member 171 and the second member 172.
  • the exterior part 180 can take in air between the inner surface of the side part 182 and the second member 172 via the ventilation hole 181H.
  • the aerosol generated by the stick-type base material 150 is transported into the user's mouth.
  • the second member 172 is heated by induction, so the heat generated from the second member 172 heats the air flowing between the second member 172 and the side surface 182. can do.
  • the suction device 100 can increase the temperature of the air flowing into the stick-shaped base material 150, and thus can suppress the temperature of the stick-shaped base material 150 from decreasing due to the flowing air. Therefore, according to the third modification, the suction device 100 can heat the stick-shaped base material 150 more efficiently.
  • the space between the side surface portion 182 of the exterior portion 180 and the second member 172 also serves as a heat insulating space that suppresses heat conduction from the second member 172 to the casing of the suction device 100. Function. Therefore, according to the third modification, the suction device 100 can more strongly suppress the heat generated in the first member 171 from being transmitted from the casing of the suction device 100 to the user's hand.
  • the first member 171 and the second member 172 have both ends of one cylindrical structure bent twice, and the end at the end of the formed step is joined to the other side surface.
  • the joint portion 174 is configured, the present invention is not limited to the above example.
  • the first member 171 and the second member 172 have both ends of their respective cylindrical structures bent twice in a zigzag pattern toward opposite sides, and the bent ends are joined to each other to form a joint. 174 may be configured.
  • the first member 171 and the second member 172 are made of a material that can be heated by induction, but the present invention is not limited to the above example.
  • the first member 171 and the second member 172 may be made of an insulating material that is not heated by induction, such as glass.
  • the holding part 140 has a susceptor capable of induction heating attached along the inner surface of the first member 171, so that the stick-shaped base material 150 accommodated in the accommodation space 141 is heated by the susceptor. can do. Therefore, even in such a case, the first member 171 and the second member 172 can be more firmly joined by being made of the same type of material. Therefore, the suction device 100 can further improve the reliability of the heat insulation structure formed by the first member 171 and the second member 172.
  • a housing space for housing an aerosol-generating base material a first member having a cylindrical structure and facing the accommodation space on an inner surface of the cylindrical structure; a second member having a cylindrical structure, covering the first member and forming a sealed space between the second member and the first member; Equipped with The first member and the second member are made of a material that can be inductively heated by a fluctuating magnetic field, The aerosol generation device, wherein the energy loss per unit time of the first member in the same fluctuating magnetic field is greater than the energy loss per unit time of the second member.
  • the aerosol generation device according to (1) wherein the first member and the second member are joined to each other at joints provided at both ends of each of the cylindrical structures.
  • the first member and the second member are joined by bending both ends of the cylindrical structure of the second member with a step toward an outer surface of the first member.
  • the first member and the second member are joined by bending both ends of the cylindrical structure of the first member toward the inner surface of the second member with a step.
  • Aerosol generator The aerosol generating device according to any one of (1) to (6), wherein the first member and the second member are made of a metal material.
  • the aerosol generation device described in . (11) Further comprising an exterior part having a columnar structure with one bottom open, and housing the first member and the second member therein by supporting both ends of the first member and the second member.
  • An air flow path is formed between the inner surface of the exterior part and the outer surface of the second member, The aerosol generation device according to (11), wherein the air that has passed through the air flow path flows into the accommodation space from the other bottom side of the columnar structure.
  • the aerosol generation device according to any one of (1) to (12), further comprising a heat insulating member that covers an outer surface of the second member.
  • the aerosol generation device according to any one of (1) to (13), wherein the inside of the sealed space is in a vacuum state.
  • an aerosol-generating substrate comprising an aerosol source; an aerosol generation device that heats the aerosol generation base material; including;
  • the aerosol generation device includes: a housing space that accommodates the aerosol-generating base material; a first member having a cylindrical structure and facing the accommodation space on an inner surface of the cylindrical structure; a second member having a cylindrical structure, covering the first member and forming a sealed space between the second member and the first member; Equipped with The first member and the second member are made of a material that can be inductively heated by a fluctuating magnetic field, An aerosol generation system, wherein the energy loss per unit time of the first member is greater than the energy loss per unit time of the second member in the same fluctuating magnetic field.
  • Reference Signs List 100 Suction device 111 Power supply section 112 Sensor section 113 Notification section 114 Storage section 115 Communication section 116 Control section 140, 140A, 140B, 140C Holding section 141 Accommodation space 142 Opening 143 Bottom section 150 Stick type base material 162 Electromagnetic induction source 171 First member 172 Second member 173 Sealed space 174, 174B Joint part 175 Heat insulating member 180 Exterior part

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention a pour but de fournir un dispositif de génération d'aérosol et un système de génération d'aérosol qui peuvent supprimer de manière plus fiable la conduction de chaleur vers un boîtier. La solution selon l'invention porte sur ce dispositif de génération d'aérosol comprenant : un espace de réception pour recevoir un matériau de base de génération d'aérosol ; un premier élément ayant une structure cylindrique, une surface interne de la structure cylindrique faisant face à l'espace de réception ; et un second élément qui a une structure cylindrique, qui recouvre le premier élément, et qui forme un espace fermé hermétiquement entre le premier élément et le second élément. Le premier élément et le second élément sont chacun constitués d'un matériau qui peut être chauffé par induction par un champ magnétique variable, et la perte d'énergie par unité de temps du premier élément est supérieure à la perte d'énergie par unité de temps du second élément dans le même champ magnétique variable.
PCT/JP2022/026501 2022-07-01 2022-07-01 Dispositif de génération d'aérosol et système de génération d'aérosol WO2024004213A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001174054A (ja) * 1999-12-14 2001-06-29 Daikin Ind Ltd 誘導加熱装置
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
JP2022517165A (ja) * 2019-12-17 2022-03-07 ケーティー アンド ジー コーポレイション エアロゾル生成装置及びそれを含むエアロゾル生成システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001174054A (ja) * 1999-12-14 2001-06-29 Daikin Ind Ltd 誘導加熱装置
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
JP2022517165A (ja) * 2019-12-17 2022-03-07 ケーティー アンド ジー コーポレイション エアロゾル生成装置及びそれを含むエアロゾル生成システム

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