WO2023042363A1 - エアロゾル生成システム、及びエアロゾル生成システムの製造方法 - Google Patents

エアロゾル生成システム、及びエアロゾル生成システムの製造方法 Download PDF

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Publication number
WO2023042363A1
WO2023042363A1 PCT/JP2021/034234 JP2021034234W WO2023042363A1 WO 2023042363 A1 WO2023042363 A1 WO 2023042363A1 JP 2021034234 W JP2021034234 W JP 2021034234W WO 2023042363 A1 WO2023042363 A1 WO 2023042363A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
generating system
electromagnetic induction
aerosol generating
aerosol
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/JP2021/034234
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English (en)
French (fr)
Japanese (ja)
Inventor
貴文 泉屋
和俊 芹田
玲二朗 川崎
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 CN202180101293.0A priority Critical patent/CN117750894A/zh
Priority to JP2023537648A priority patent/JP7385084B2/ja
Priority to KR1020247005277A priority patent/KR20240033053A/ko
Priority to PCT/JP2021/034234 priority patent/WO2023042363A1/ja
Priority to EP21957544.6A priority patent/EP4378334A4/en
Publication of WO2023042363A1 publication Critical patent/WO2023042363A1/ja
Priority to JP2023150257A priority patent/JP7787858B2/ja
Priority to US18/540,184 priority patent/US20240114966A1/en
Anticipated expiration legal-status Critical
Priority to JP2025234590A priority patent/JP2026026373A/ja
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • H05B6/36—Coil arrangements
    • H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces
    • 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
    • H05B6/36—Coil arrangements
    • H05B6/42—Cooling of coils
    • 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
    • A24F40/65—Devices with integrated communication means, e.g. wireless communication means

Definitions

  • the present invention relates to an aerosol generation system and a method of manufacturing an aerosol generation system.
  • the suction device can generate an aerosol imparted with a flavor component by using an aerosol source for generating an aerosol and a flavor source for imparting a flavor component to the generated aerosol.
  • a user can taste the flavor by inhaling the aerosol to which the flavor component is added, which is generated by the suction device.
  • Patent Document 1 discloses a suction device that uses a coil formed on a film by printing for induction heating.
  • an object of the present invention is to provide a new and improved aerosol that can further improve the reliability of an electromagnetic induction source including a coil. It is an object of the present invention to provide a generation system and a method of manufacturing an aerosol generation system.
  • a holder capable of accommodating a base material containing an aerosol source in an internal space, and an alternating current are used to generate a varying magnetic field in the internal space, an electromagnetic induction source that heats the aerosol source by induction heating with the fluctuating magnetic field, the electromagnetic induction source being provided on one surface of the first layer and the conductor layer that generates the fluctuating magnetic field. and a second layer provided on the one surface of the first layer so as to cover the conductor layer.
  • the electromagnetic induction source may be provided on the outer circumference of the holding portion.
  • the electromagnetic induction source may be wound in a cylindrical shape around the outer circumference of the holding portion.
  • the electromagnetic induction source may be provided on the outer periphery of the holding section with the first layer facing the holding section.
  • the Young's modulus of the second layer may be lower than the Young's modulus of the first layer.
  • the thickness of the second layer on the conductor layer may be thicker than the thickness of the first layer.
  • the organic resin forming the first layer and the organic resin forming the second layer may be the same.
  • the base material may be heated from the inside by the induction heating, and the thermal conductivity of the first layer may be higher than the thermal conductivity of the second layer.
  • the first layer may contain an inorganic insulating filler.
  • the thermal conductivity of the second layer may be higher than the thermal conductivity of the first layer.
  • the second layer may contain an inorganic insulating filler.
  • the electromagnetic induction source may further include a thermal diffusion layer provided on the outer surface of the second layer and thermally connected to the second layer.
  • the electromagnetic induction source is wound in a cylindrical shape around the outer circumference of the holding part with the first layer inside, and the thermal diffusion layer is positioned closer to the cylindrical axis than the end of the first layer.
  • a cooling part for cooling the thermal diffusion layer may be provided in the extension region of the thermal diffusion layer.
  • the cooling part may be provided in the extension region that extends toward the opposite side of the axial direction of the cylindrical shape from the side on which the opening leading to the internal space of the holding part is provided.
  • the cooling part may be provided on a surface of the extension region facing the second layer.
  • the cooling unit may include a Peltier element.
  • the electromagnetic induction source may further include a magnetic field convergence layer provided between the second layer and the thermal diffusion layer and made of a magnetic material.
  • the conductor layer may constitute a transverse or solenoidal coil.
  • the base material housed in the internal space of the holding part may be further provided.
  • a film-like first layer is prepared, and a conductor layer for generating a varying magnetic field by an alternating current is formed on the first layer.
  • a conductor layer for generating a varying magnetic field by an alternating current is formed on the first layer.
  • forming a second layer on the first layer so as to cover the conductor layer; and holding the first layer in a holding portion capable of accommodating a substrate containing an aerosol source in an internal space. and providing a laminate comprising said conductor layer and said second layer.
  • FIG. 4 is a schematic cross-sectional view of a holding part and an electromagnetic induction source;
  • FIG. 3 is an enlarged cross-sectional view showing the vicinity of a conductor layer included in the electromagnetic induction source;
  • FIG. 2 is a schematic diagram showing an example of the shape of a coil formed by conductor layers;
  • FIG. 4 is an explanatory diagram showing stress generated when an electromagnetic induction source is deformed;
  • FIG. 4 is an enlarged cross-sectional view showing the vicinity of a conductor layer included in the electromagnetic induction source according to the first specific example;
  • FIG. 11 is a cross-sectional view showing an enlarged vicinity of a conductor layer included in an electromagnetic induction source according to a second specific example;
  • FIG. 11 is an enlarged cross-sectional view showing the vicinity of a conductor layer included in an electromagnetic induction source according to a third specific example;
  • FIG. 11 is a cross-sectional view showing an enlarged vicinity of a conductor layer included in an electromagnetic induction source according to a fourth specific example;
  • FIG. 11 is a cross-sectional view showing an enlarged vicinity of a conductor layer included in an electromagnetic induction source according to a fifth specific example;
  • 11 is a cross-sectional view showing an enlarged vicinity of a conductor layer included in an electromagnetic induction source according to a sixth specific example; It is explanatory drawing explaining the process of manufacturing an electromagnetic induction source. It is explanatory drawing explaining the process of manufacturing an electromagnetic induction source. It is explanatory drawing explaining the process of manufacturing an electromagnetic induction source. It is explanatory drawing explaining the process of manufacturing an electromagnetic induction source. It is explanatory drawing explaining the process of manufacturing an electromagnetic induction source.
  • FIG. 1 is a schematic diagram showing a configuration example of a suction device 100 according to this embodiment.
  • the suction device 100 includes, for example, a power supply unit 111, a sensor unit 112, a notification unit 113, a storage unit 114, a communication unit 115, a control unit 116, a susceptor 161, an electromagnetic induction A source 162 and a retainer 140 are provided.
  • the suction device 100 performs induction heating (IH) on the stick-shaped substrate 150 including the aerosol source while the stick-shaped substrate 150 is held by the holding portion 140 .
  • IH induction heating
  • the aerosol source contained in the stick-shaped substrate 150 is atomized to generate an aerosol from the stick-shaped substrate 150 .
  • the generated aerosol is inhaled by the user.
  • suction device 100 and the stick-shaped base material 150 cooperate to generate an aerosol that is sucked by the user.
  • the combination of suction device 100 and stick-type substrate 150 may be viewed as an aerosol generating 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 composed of, for example, a rechargeable 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.
  • the power supply unit 111 may be charged by a power transmission device that is not directly connected using wireless power transmission technology.
  • the power supply unit 111 may be provided detachably from the suction device 100, or may be provided so as to be replaceable with a new power supply unit 111.
  • the sensor unit 112 detects various types of information about 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 sensor, or a temperature sensor. In such a case, the sensor unit 112 can output information indicating that the user has performed suction to the control unit 116 when detecting a numerical value associated with the user's suction.
  • the sensor unit 112 may be configured by an input device such as a button or switch that accepts input of information from the user. good too. In such a case, 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 the susceptor 161 .
  • the temperature sensor may detect the temperature of the susceptor 161 based on the electrical resistance value of the electromagnetic induction source 162, for example. In such a case, the sensor section 112 can detect the temperature of the stick-shaped substrate 150 held by the holding section 140 based on the temperature of the susceptor 161 .
  • the notification unit 113 notifies the user of information.
  • the notification unit 113 may be configured by a light-emitting device such as an LED (Light Emitting Diode). According to this, the notification unit 113 emits light in a different light emission pattern when the power supply unit 111 needs to be charged, when the power supply unit 111 is being charged, or when an abnormality occurs in the suction device 100. Can emit light.
  • the light emission pattern here is a concept including color, timing of lighting/lighting out, and the like.
  • the notification unit 113 may be configured by 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 instead of the light emitting device.
  • the notification unit 113 may notify information indicating that suction by the user has become possible. Information indicating that the user can suck is notified to the user, for example, when the temperature of the stick-shaped base material 150 heated by electromagnetic induction 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 non-volatile storage medium such as flash memory.
  • An example of the information stored in the storage unit 114 is information related to the OS (Operating System) of the suction device 100 such as control details of various components by the control unit 116 .
  • Another example of information stored in the storage unit 114 is information related to suction by the user, such as the number of times of suction, suction time, or accumulated 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 conforming to any wired or wireless communication standard.
  • a communication standard for example, a wireless LAN (Local Area Network), a wired LAN, Wi-Fi (registered trademark), Bluetooth (registered trademark), or the like can be adopted.
  • the communication unit 115 may transmit information regarding suction by the user to the smartphone so that the smartphone displays information regarding suction by the user.
  • the communication unit 115 may receive new OS information from the 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 the general operations within the suction device 100 according to various programs.
  • the control unit 116 may be realized by an electronic circuit such as a CPU (Central Processing Unit) or a microprocessor.
  • the control unit 116 may also include a ROM (Read Only Memory) for storing programs to be used, calculation parameters, etc., and a RAM (Random Access Memory) for temporarily storing parameters that change as appropriate.
  • control unit 116 may control execution of various processes related to the operation of the suction device 100 .
  • the control unit 116 controls power supply from the power supply unit 111 to other components, charging of the power supply unit 111, detection of information by the sensor unit 112, notification of information by the notification unit 113, storage of information by the storage unit 114, or Execution of processing such as reading and transmission/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 the information output from each component, which is executed by the suction device 100 .
  • the holding part 140 has an internal space 141 and holds the stick-shaped base material 150 by accommodating a part of the stick-shaped base material 150 in the internal space 141 .
  • the holding part 140 has an opening 142 that communicates the internal space 141 with the outside, and holds the stick-shaped substrate 150 inserted into the internal space 141 through the opening 142 .
  • the holding portion 140 may be configured in a cylindrical shape defining a columnar internal space 141 with the opening 142 and the bottom portion 143 as the bottom surface.
  • the holding part 140 has an inner diameter smaller than the outer diameter of the stick-shaped base material 150 at least in part in the height direction of the cylindrical body, so that the stick-shaped base material 150 inserted into the internal space 141 can be held. It can be held by pressing from the outer periphery.
  • the holding part 140 also has a function of defining an air flow path passing through the stick-shaped base material 150 .
  • An air inlet hole which is an inlet for air into the channel, is arranged, for example, in the bottom portion 143 .
  • the opening 142 is an air outflow hole, which is the outlet of the air from the channel.
  • the stick-shaped base material 150 is a stick-shaped member.
  • the stick-type substrate 150 includes a substrate portion 151 and a mouthpiece portion 152 .
  • the base material portion 151 includes an aerosol source.
  • the aerosol source is atomized by heating 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 materials into a granule, sheet, or powder. Aerosol sources may also include non-tobacco-derived ingredients produced from plants other than tobacco, such as mints and herbs. As an example, the aerosol source may contain perfume ingredients. If the inhalation device 100 is a medical inhaler, the aerosol source may contain a medicament for inhalation by the patient.
  • the aerosol source is not limited to solids and can be liquids such as, for example, polyhydric alcohols such as glycerin and propylene glycol, and water. At least part of the base material part 151 is accommodated in the internal space 141 of the holding part 140 while the stick-shaped base material 150 is held by the holding part 140 .
  • the mouthpiece 152 is a member held by the user when inhaling. At least part of the mouthpiece 152 protrudes from the opening 142 when the stick-shaped base material 150 is held by the holding part 140 .
  • air flows into the holding section 140 through an air inlet hole (not shown). The air that has flowed in passes through the internal space 141 (that is, the substrate portion 151 ) of the holding portion 140 and reaches the user's mouth together with the aerosol generated from the substrate portion 151 .
  • the stick-type base material 150 also includes a susceptor 161 .
  • the susceptor 161 can generate heat by electromagnetic induction.
  • Susceptor 161 may be made of a conductive material.
  • the susceptor 161 may be a piece of metal.
  • the susceptor 161 may be placed in thermal proximity to the aerosol source.
  • the susceptor 161 being thermally close to the aerosol source means that the susceptor 161 is arranged at a position where the heat generated by the susceptor 161 can be transferred to the aerosol source.
  • the susceptor 161 may be included in the substrate portion 151 along with the aerosol source such that the susceptor 161 is surrounded by the aerosol source. With such a configuration, the susceptor 161 can efficiently heat the aerosol source with the generated heat.
  • the susceptor 161 may be provided so as to be inaccessible from the outside of the stick-shaped substrate 150 .
  • the susceptor 161 may not be arranged near the outer periphery of the stick-shaped substrate 150 but may be arranged only in the central portion of the stick-shaped substrate 150 .
  • the electromagnetic induction source 162 causes the susceptor 161 to generate heat by electromagnetic induction.
  • the electromagnetic induction source 162 is supplied with an alternating current from the power supply unit 111 and can generate a varying magnetic field at a position overlapping the internal space 141 of the holding unit 140 .
  • the electromagnetic induction source 162 can generate eddy current in the susceptor 161 and generate Joule heat in the susceptor 161 by generating a fluctuating magnetic field in a state where the stick-shaped substrate 150 is accommodated in the holding portion 140 .
  • Joule heat generated in the susceptor 161 can generate an aerosol by heating an aerosol source included in the stick-shaped base material 150 .
  • a specific configuration of the electromagnetic induction source 162 will be described later.
  • the suction device 100 supplies power to the electromagnetic induction source 162 to induction-heat the aerosol source contained in the stick-shaped base material 150. , may generate an aerosol.
  • the inhalation device 100 allows inhalation by the user.
  • the suction device 100 may stop supplying power to the electromagnetic induction source 162 .
  • the suction device 100 may supply power to the electromagnetic induction source 162 to generate aerosol while the sensor unit 112 detects that the user has suctioned.
  • FIG. 1 shows an example in which the susceptor 161 is included in the base material portion 151 of the stick-shaped base material 150
  • the suction device 100 is not limited to this example.
  • the holding part 140 may function as the susceptor 161 .
  • the suction device 100 causes the holding portion 140 to generate Joule heat by generating an eddy current in the holding portion 140 by the magnetic field generated by the electromagnetic induction source 162 . Accordingly, the suction device 100 can heat and atomize the aerosol source contained in the base material part 151 by the Joule heat generated in the holding part 140, so that the aerosol can be generated from the stick-type base material 150.
  • FIG. FIG. 2 is a schematic cross-sectional view of the holding portion 140 and the electromagnetic induction source 162.
  • FIG. 3 is an enlarged cross-sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162.
  • FIG. 4 is a schematic diagram showing an example of the shape of the coil formed by the conductor layer 623.
  • FIG. 5 is an explanatory diagram showing stress generated when the electromagnetic induction source 162 is deformed.
  • the electromagnetic induction source 162 is provided along the side surface of the holding portion 140 defining the columnar internal space 141 with the opening 142 and the bottom portion 143 as the bottom surface. Also, the electromagnetic induction source 162 is provided in a laminated structure of a first layer 621 , a conductor layer 623 , and a second layer 622 from the side surface side of the holding section 140 .
  • the electromagnetic induction source 162 need not be provided along the side surface of the holding portion 140 as long as the susceptor 161 can be induction-heated.
  • a susceptor 161 in thermal proximity to the aerosol source may be provided positioned within the interior space 141 of the holding portion 140 or may be provided so as to define the interior space 141 of the holding portion 140 . could be. Therefore, as an example, the electromagnetic induction source 162 may be provided on the inner surface of the housing of the suction device 100 and at a position where the internal space 141 of the holding portion 140 can be induction-heated.
  • the electromagnetic induction source 162 may be provided in a support portion (not shown) provided between the outer surface of the holding portion 140 and the inner surface of the housing of the suction device 100 .
  • the support is provided parallel to the outer surface of the holding part 140 and the inner surface of the housing of the suction device 100, for example, and the electromagnetic induction source 162 may be provided on the inner surface or the outer surface of the support. .
  • the first layer 621 is made of an electrically insulating and flexible organic resin in the form of a film, and is wound in a cylindrical shape along the side surface of the holding part 140 .
  • the first layer 621 may be composed of a super engineering plastic such as polyimide (PI) or polyetheretherketone (PEEK), for example. Since the first layer 621 is in contact with the conductor layer 623 that generates heat when supplied with alternating current, it is made of super engineering plastic, which has high heat resistance among organic resins.
  • PI polyimide
  • PEEK polyetheretherketone
  • the conductor layer 623 is made of a conductive material and provided on the outer surface of the first layer 621 .
  • the conductor layer 623 is a wiring layer to which alternating current is supplied, and is wired on the outer surface of the first layer 621 so as to function as a coil.
  • the conductor layer 623 may form a transverse coil by being wired in a rectangular spiral shape on the side surface of the holding portion 140 as shown in FIG.
  • the conductor layer 623 may form a solenoid coil by being wired in a helical shape that three-dimensionally winds around the side surface of the holding portion 140 .
  • Conductor layer 623 may be composed of a metallic material such as silver, copper, gold, or aluminum.
  • the conductor layer 623 may be formed of silver nanoparticle ink that facilitates the formation of arbitrary pattern wiring on a film-like substrate.
  • the second layer 622 is made of an electrically insulating and flexible organic resin, and is provided on the outer surface of the first layer 621 so as to cover the conductor layer 623 .
  • the second layer 622 may be composed of a super engineering plastic such as, for example, polyimide (PI) or polyetheretherketone (PEEK). Since the second layer 622 is in contact with the conductor layer 623 that generates heat when an alternating current is supplied, it is made of super engineering plastic, which has high heat resistance among organic resins.
  • the first layer 621 and the second layer 622 may be composed of the same organic resin, or may be composed of different organic resins. However, when the first layer 621 and the second layer 622 are made of the same or the same organic resin, the adhesion between the layers can be further enhanced. When the first layer 621 and the second layer 622 are composed of the same or the same organic resin, the properties of the first layer 621 and the second layer 622 are mixed in each of the first layer 621 and the second layer 622, for example. It is possible to control by additives or fillers used.
  • the first layer 621 and the second layer 622 are made of the same or the same organic resin, the first layer 621 and the second layer 622 are mixed at the interface, and the first layer 621 and the second layer 622 are mixed. It is possible that the interface is not clear. Even in such a case, it can be understood that the electromagnetic induction source 162 is composed of the first layer 621 and the second layer 622 due to the difference in characteristics of each layer.
  • the electromagnetic induction source 162 having the above configuration is configured such that the conductor layer 623 is sandwiched between the flexible first layer 621 and second layer 622 . According to this, since the first layer 621 and the second layer 622 can suppress the volume change of the conductor layer 623 due to the heat generated when the alternating current is supplied, cracks or the like occur in the conductor layer 623. can be suppressed.
  • the electromagnetic induction source 162 when the electromagnetic induction source 162 is wound along the side surface of the holding part 140, a compressive stress is generated inside the winding (that is, the first layer 621 side), Tensile stress is generated on the outer side (that is, the second layer 622 side) of the winding.
  • the conductor layer 623 is covered with the first layer 621 on the inner side of the conductor layer 623 and covered with the second layer 622 on the outer side of the conductor layer 623 . According to this, the electromagnetic induction source 162 can suppress the deformation of the conductor layer 623 due to the compressive stress and the tensile stress. can be suppressed.
  • the diameter of the internal space of the holding part 140 has become smaller. Therefore, in the electromagnetic induction source 162 wound around the side surface of the holding portion 140 having a smaller diameter (for example, 7 mm diameter), the radius of curvature of the winding becomes smaller, resulting in greater compressive stress and tensile stress. Since the electromagnetic induction source 162 described above can suppress deformation of the conductor layer 623 due to compressive stress and tensile stress, it can be suitably used for the miniaturized suction device 100 .
  • the electromagnetic induction source 162 is wound in a cylindrical shape along the side surface of the holding portion 140 with the first surface 621 facing the side surface of the holding portion 140 .
  • the technology according to the present invention is not limited to the above examples.
  • the electromagnetic induction source 162 may be provided in a rectangular sheet shape and attached to a partial region of the side surface of the holding portion 140 via an adhesive or the like.
  • the electromagnetic induction source 162 may be attached to the inner surface of the housing (housing) of the suction device 100, and provided between the holding portion 140 and the suction device 100. It may be affixed to the inner surface or the outer surface of the supporting portion.
  • FIG. 162 (2.2. Detailed configuration) Next, a more detailed configuration of the electromagnetic induction source 162 will be described with reference to FIGS. 6 to 11. FIG. The electromagnetic induction source 162 can obtain more favorable effects by adopting the configurations described in the following first to sixth specific examples.
  • FIG. 6 is an enlarged sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162 according to the first specific example.
  • the film thickness t2 of the second layer 622 covering the conductor layer 623 may be thicker than the film thickness t1 of the first layer 621 .
  • the tensile stress is larger than the compressive stress. Therefore, breakage of the conductor layer 623 due to tensile stress is more likely to occur than peeling of the conductor layer 623 due to compressive stress. Therefore, in the first specific example, by making the film thickness t2 of the second layer 622 covering the conductor layer 623 thicker than the film thickness t1 of the first layer 621, the thickness outside the conductor layer 623 (that is, the second layer 622 side) can be suppressed more strongly. Therefore, according to the first specific example, the electromagnetic induction source 162 can further suppress damage to the conductor layer 623 that occurs when the electromagnetic induction source 162 is wound around the side surface of the holding portion 140 .
  • FIG. 7 is an enlarged sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162 according to the second specific example.
  • the first layer 621 and the second layer 622 may be provided as layers having different properties.
  • the Young's modulus of the second layer 622 may be lower than the Young's modulus of the first layer 621 .
  • the electromagnetic induction source 162 can suppress the occurrence of breakage, cracks, or the like in the conductor layer 623 due to residual stress caused by thermal expansion or thermal contraction of the conductor layer 623 . can.
  • the Young's modulus of the first layer 621 and the second layer 622 can be controlled by, for example, the type or degree of polymerization of the organic resin that constitutes the first layer 621 and the second layer 622, or the type or amount of the additive to be mixed. It is possible.
  • the first layer 621 and the second layer 622 are made of the same or the same organic resin, and the Young's modulus is controlled by changing the degree of polymerization of the organic resin or the type or amount of the additive to be mixed. good too. In such a case, the first layer 621 and the second layer 622 can suppress the occurrence of residual stress in the conductor layer 623 while increasing the adhesion between the layers.
  • FIG. 8 is an enlarged sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162 according to the third specific example.
  • the first layer 621 and the second layer 622 may be provided as layers having different properties.
  • the thermal conductivity of first layer 621 may be higher than the thermal conductivity of second layer 622 .
  • the first layer 621 can raise the surface temperature of the internal space 141 of the holding section 140 by the heat diffused from the conductor layer 623 to the first layer 621 side.
  • the central heating type suction device 100 that induction-heats the stick-shaped substrate 150 from the inside, the surface temperature of the internal space 141 of the holding part 140 and the temperature of the stick-shaped substrate 150 accommodated in the internal space 141 closer to the temperature. Therefore, according to the third specific example, the central heating type suction device 100 can suppress the occurrence of dew condensation on the surface of the internal space 141 .
  • the thermal conductivity of the first layer 621 and the second layer 622 depends on, for example, whether or not the thermally conductive filler is mixed in the first layer 621 and the second layer 622, or the type or amount of the thermally conductive filler to be mixed. It is possible to control For example, in the third specific example, the thermally conductive filler may not be mixed in the second layer 622 and the thermally conductive filler may be mixed in the first layer 621 .
  • Thermally conductive fillers include inorganic insulating fillers (e.g., ceramics) such as alumina ( Al2O3 ), magnesium oxide (MgO), boron nitride (BN), silica ( SiO2 ), or aluminum nitride (AlN). can be used.
  • FIG. 9 is an enlarged sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162 according to the fourth specific example.
  • the first layer 621 and the second layer 622 may be provided as layers having different properties.
  • the thermal conductivity of second layer 622 may be higher than the thermal conductivity of first layer 621 .
  • the second layer 622 can release the heat generated in the conductor layer 623 by the supply of the alternating current to the outside of the electromagnetic induction source 162 from the second layer 622 . Therefore, according to the fourth specific example, the electromagnetic induction source 162 can prevent the conductor layer 623 from being damaged by heat and the resistance value of the conductor layer 623 from increasing.
  • the thermal conductivity of the first layer 621 and the second layer 622 depends on, for example, whether or not the thermally conductive filler is mixed in the first layer 621 and the second layer 622, or the type or amount of the thermally conductive filler to be mixed. It is possible to control For example, in the fourth specific example, the thermally conductive filler may not be mixed in the first layer 621 and the thermally conductive filler may be mixed in the second layer 622 .
  • Thermally conductive fillers include inorganic insulating fillers (e.g., ceramics) such as alumina ( Al2O3 ), magnesium oxide (MgO), boron nitride (BN), silica ( SiO2 ), or aluminum nitride (AlN). can be used.
  • FIG. 10 is an enlarged sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162 according to the fifth specific example.
  • the electromagnetic induction source 162 according to the fifth specific example has the configuration of the electromagnetic induction source 162 according to the fourth specific example, in addition to the heating element provided on the outer surface of the second layer 622 .
  • a diffusion layer 625 is further provided.
  • the heat diffusion layer 625 is thermally connected to the second layer 622 and can diffuse heat generated in the conductor layer 623 by supplying alternating current to the outside from the second layer 622 .
  • the thermal conductivity of the second layer 622 is higher than the thermal conductivity of the first layer 621
  • the heat generated in the conductor layer 623 due to the supply of alternating current is transferred to the first layer 621 side, not to the first layer 621 side. It mainly diffuses to the two layer 622 side.
  • the heat diffused to the second layer 622 is further diffused to the thermal diffusion layer 625 provided on the outer surface of the second layer 622 and released to the outside of the electromagnetic induction source 162 .
  • the electromagnetic induction source 162 can further suppress damage to the conductor layer 623 and an increase in the resistance value of the conductor layer 623 due to heat.
  • the thermal diffusion layer 625 may be configured in a sheet form, for example, from a metal material with high thermal conductivity such as copper or aluminum.
  • the heat diffusion layer 625 can also function as a magnetic shield for shielding the fluctuating magnetic field generated by the coil made up of the conductor layer 623 .
  • the electromagnetic induction source 162 can reduce the possibility that the magnetic field generated by the coil formed by the conductor layer 623 affects other components of the suction device 100 such as the control unit 116 .
  • a magnetic field convergence layer may be further provided between the thermal diffusion layer 625 and the second layer 622.
  • the magnetic field convergence layer is made of a soft magnetic material having a high relative magnetic permeability, such as soft iron, silicon steel, or soft ferrite.
  • the magnetic field convergence layer absorbs the magnetic flux generated by the coil formed by the conductor layer 623 , thereby shielding the magnetic field generated by the conductor layer 623 from leaking to the outside of the electromagnetic induction source 162 .
  • the electromagnetic induction source 162 can further reduce the possibility that the magnetic field generated by the conductor layer 623 affects other components of the suction device 100 such as the control unit 116 .
  • FIG. 11 is an enlarged sectional view showing the vicinity of the conductor layer 623 included in the electromagnetic induction source 162 according to the sixth specific example.
  • the electromagnetic induction source 162 according to the sixth specific example further includes a cooling section 626 that cools the heat diffusion layer 625 in addition to the configuration of the electromagnetic induction source 162 according to the fifth specific example. .
  • the cooling part 626 is provided in thermal connection with the heat diffusion layer 625 and actively removes heat generated in the conductor layer 623 from the electromagnetic induction source 162 by supplying alternating current.
  • the cooling part 626 may be configured including, for example, a Peltier element.
  • the thermal conductivity of the second layer 622 is higher than the thermal conductivity of the first layer 621, the heat generated in the conductor layer 623 due to the supply of alternating current is transferred to the first layer 621 side, not to the first layer 621 side. It mainly diffuses to the two layer 622 side.
  • the heat diffused to the second layer 622 is further diffused to the heat diffusion layer 625 provided on the outer surface of the second layer 622 and then cooled by the cooling section 626 .
  • the electromagnetic induction source 162 can prevent the heat diffused in the thermal diffusion layer 625 from unintentionally heating other components. Also, the electromagnetic induction source 162 can more efficiently remove the heat generated in the conductor layer 623 .
  • the cooling part 626 may be provided in the extension region 625E of the thermal diffusion layer 625, for example.
  • the extension region 625E is located, for example, on the opposite side of the heat diffusion layer 625 extending in the axial direction of the cylindrical shape of the first layer 621 to the side where the opening 142 leading to the internal space 141 of the holding part 140 is provided. It is a region extending beyond the end of the first layer 621 .
  • the cooling part 626 may be provided, for example, on the inner surface of the thermal diffusion layer 625 (that is, the surface on which the second layer 622 is provided). When provided at such a position, the cooling part 626 can be provided without enlarging the suction device 100 .
  • cooling part 626 may be provided at any position where it is thermally connected to the heat diffusion layer 625 .
  • FIGS. 12A to 12D are explanatory diagrams explaining the steps of manufacturing the electromagnetic induction source 162.
  • FIG. 12A to 12D are explanatory diagrams explaining the steps of manufacturing the electromagnetic induction source 162.
  • a film-like first layer 621 made of polyimide (PI) or polyetheretherketone (PEEK) is prepared.
  • a conductor layer 623 made of a metal material such as silver, copper, gold, or aluminum is formed on the first layer 621 .
  • the conductor layer 623 may be patterned, for example, in a rectangular spiral shape to form a transverse coil.
  • the conductor layer 623 may be formed by applying and patterning by printing, or by forming a film by vapor deposition and then patterning by photolithography and etching.
  • the conductive layer 623 is formed by applying conductive ink (for example, silver nanoparticle ink) on the first layer 621 by inkjet printing while patterning, and then curing the applied conductive ink by heating or ultraviolet rays.
  • conductive ink for example, silver nanoparticle ink
  • a second layer 622 is formed on the first layer 621 and the conductor layer 623, as shown in FIG. 12C.
  • the second layer 622 is formed by coating a melt of an organic resin such as polyimide (PI) or polyetheretherketone (PEEK) on the first layer 621 so as to cover the conductor layer 623, and then applying the melt. It may be formed by curing.
  • PI polyimide
  • PEEK polyetheretherketone
  • the electromagnetic induction source 162 is formed by winding the stack of the first layer 621, the conductor layer 623, and the second layer 622 into a cylindrical shape. Specifically, the laminate of the first layer 621 , the conductor layer 623 , and the second layer 622 is wound along the side surface of the holding section 140 so that the first layer 621 faces the holding section 140 . An inductive source 162 is formed. At this time, the holding part 140 and the first layer 621 may be bonded by interposing a heat-resistant adhesive layer between the holding part 140 and the first layer 621, and the inner surface of the first layer 621 It may be adhered by applying an adhesive.
  • the electromagnetic induction source 162 manufactured by the above steps can suppress cracking of the conductor layer 623 due to heat generation and suppress breakage or peeling of the conductor layer 623 when wound into a cylindrical shape. Therefore, the electromagnetic induction source 162 can improve the reliability of the suction device 100 .
  • the present invention is not limited to the above embodiments.
  • the electromagnetic induction source 162 can be used as a film heater by causing the conductor layer 623 to function as a heating wire.
  • the suction device 100 can heat the stick-shaped substrate 150 by resistance heating instead of induction heating. Therefore, the present invention can be applied not only to an induction heating type suction device but also to a resistance heating type suction device. can be improved.
  • a holding part capable of accommodating a substrate containing an aerosol source in its internal space; an electromagnetic induction source that generates a fluctuating magnetic field in the internal space using an alternating current and heats the aerosol source by induction heating with the fluctuating magnetic field; with
  • the electromagnetic induction source is a first layer; a conductor layer provided on one surface of the first layer for generating the varying magnetic field; a second layer provided on the one surface of the first layer so as to cover the conductor layer;
  • an aerosol generating system comprising: (2) The aerosol generating system according to (1) above, wherein the electromagnetic induction source is provided on the outer periphery of the holding portion.
  • the electromagnetic induction source further includes a thermal diffusion layer provided on the outer surface of the second layer and thermally connected to the second layer. .
  • the electromagnetic induction source is wound in a cylindrical shape around the outer periphery of the holding part with the first layer inside, The thermal diffusion layer extends in the axial direction of the cylindrical shape from the end of the first layer,
  • suction device 111 power supply unit 112 sensor unit 113 notification unit 114 storage unit 115 communication unit 116 control unit 140 holding unit 141 internal space 142 opening 143 bottom 150 stick-shaped substrate 151 substrate 152 mouthpiece 161 susceptor 162 electromagnetic induction source 621 First layer 622 Second layer 623 Conductor layer 625 Thermal diffusion layer 625E Extension region 626 Cooling part

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
PCT/JP2021/034234 2021-09-17 2021-09-17 エアロゾル生成システム、及びエアロゾル生成システムの製造方法 Ceased WO2023042363A1 (ja)

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CN202180101293.0A CN117750894A (zh) 2021-09-17 2021-09-17 气溶胶生成系统以及气溶胶生成系统的制造方法
JP2023537648A JP7385084B2 (ja) 2021-09-17 2021-09-17 エアロゾル生成システム、及びエアロゾル生成システムの製造方法
KR1020247005277A KR20240033053A (ko) 2021-09-17 2021-09-17 에어로졸 생성 시스템, 및 에어로졸 생성 시스템의 제조 방법
PCT/JP2021/034234 WO2023042363A1 (ja) 2021-09-17 2021-09-17 エアロゾル生成システム、及びエアロゾル生成システムの製造方法
EP21957544.6A EP4378334A4 (en) 2021-09-17 2021-09-17 AEROSOL GENERATION SYSTEM AND METHOD FOR MANUFACTURING AN AEROSOL GENERATION SYSTEM
JP2023150257A JP7787858B2 (ja) 2021-09-17 2023-09-15 吸引装置、エアロゾル生成システム、及び電磁誘導源
US18/540,184 US20240114966A1 (en) 2021-09-17 2023-12-14 Aerosol generating system and method for manufacturing aerosol generating system
JP2025234590A JP2026026373A (ja) 2021-09-17 2025-12-05 吸引装置、エアロゾル生成システム、及び電磁誘導源

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