WO2024127650A1 - エアロゾル生成装置の電源ユニット、及びエアロゾル生成装置 - Google Patents

エアロゾル生成装置の電源ユニット、及びエアロゾル生成装置 Download PDF

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Publication number
WO2024127650A1
WO2024127650A1 PCT/JP2022/046468 JP2022046468W WO2024127650A1 WO 2024127650 A1 WO2024127650 A1 WO 2024127650A1 JP 2022046468 W JP2022046468 W JP 2022046468W WO 2024127650 A1 WO2024127650 A1 WO 2024127650A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
supply unit
generating device
aerosol generating
sensors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/046468
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
純司 湊
拓嗣 川中子
篤史 一瀬
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 KR1020257022891A priority Critical patent/KR20250121382A/ko
Priority to JP2024564125A priority patent/JPWO2024127650A1/ja
Priority to PCT/JP2022/046468 priority patent/WO2024127650A1/ja
Priority to CN202280102641.0A priority patent/CN120302904A/zh
Priority to EP22968559.9A priority patent/EP4635328A1/en
Publication of WO2024127650A1 publication Critical patent/WO2024127650A1/ja
Anticipated expiration legal-status Critical
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
    • A24F40/50—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
    • A24F40/10—Devices using liquid 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
    • A24F40/20—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
    • 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
    • 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
    • A24F40/53—Monitoring, e.g. fault detection
    • 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
    • A24F40/90—Arrangements or methods specially adapted for charging batteries thereof
    • 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
    • A24F40/90—Arrangements or methods specially adapted for charging batteries thereof
    • A24F40/95—Arrangements or methods specially adapted for charging batteries thereof structurally associated with cases
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/751—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries

Definitions

  • the present disclosure relates to a power supply unit for an aerosol generating device, and to an aerosol generating device.
  • the aerosol generating device contains a power source, a heating unit, multiple sensors, and a circuit board mounting the sensors and control device in a case (for example, Patent Document 1). It is desirable for an aerosol generating device such as a heated smoking device to be small enough to fit in the user's hand.
  • the present disclosure provides a power supply unit for a miniaturizable aerosol generating device, and an aerosol generating device.
  • the power supply unit of the aerosol generating device of the present disclosure comprises: A power source for supplying power to a heating section for heating the aerosol source; At least two sensors; a flexible circuit board on which the at least two sensors are mounted; a rigid board fixed to the flexible circuit board via a connection portion; a case that accommodates the power source, the at least two sensors, the flexible circuit board, and the rigid board; The at least two sensors are electrically connected to the rigid substrate via the connection portion.
  • the aerosol generating device of the present disclosure comprises: Power supply, A heating unit that consumes the power supplied from the power source to heat the aerosol source; At least two sensors; a flexible circuit board on which the at least two sensors are mounted; a rigid board fixed to the flexible circuit board via a connection portion; a case that accommodates the power source, the at least two sensors, the flexible circuit board, and the rigid board; The at least two sensors are electrically connected to the rigid substrate via the connection portion.
  • the power supply unit of the aerosol generating device and/or the aerosol generating device can be miniaturized.
  • FIG. 1 is a schematic diagram showing a first configuration example of a suction device (suction device 100A).
  • FIG. 2 is a schematic diagram showing a second configuration example (suction device 100B) of the suction device.
  • FIG. 3 is an overall perspective view of a suction device 100 which is one embodiment of the suction device of the present disclosure.
  • FIG. 4 is a perspective view of the internal unit 10 as viewed from the front right side.
  • FIG. 5 is a perspective view of the internal unit 10 as viewed from the front left side.
  • FIG. 6 is an exploded perspective view of the internal unit 10.
  • FIG. 7 is a cross-sectional perspective view of heater assembly 30. As shown in FIG. FIG. FIG.
  • FIG. 8 is a block diagram showing the electrical connections of the main elements of the internal unit 10 in a simplified manner.
  • FIG. 9 is a development view of the front surface of the sensor FPC 73.
  • FIG. 10 is a development view of the rear surface of the sensor FPC 73.
  • FIG. 11 is a cross-sectional view of the sensor FPC 73.
  • the inhalation device is a device that generates a substance to be inhaled by a user.
  • the substance generated by the inhalation device is described as an aerosol.
  • the substance generated by the inhalation device may be a gas.
  • FIG. 1 is a schematic diagram showing a first configuration example of an inhalation device.
  • an inhalation device 100A includes a power supply unit 110, a cartridge 120, and a flavor imparting cartridge 130.
  • the power supply unit 110 includes a power supply section 111A, a sensor section 112A, a notification section 113A, a memory section 114A, a communication section 115A, and a control section 116A.
  • the cartridge 120 includes a heating section 121A, a liquid guiding section 122, and a liquid storage section 123.
  • the flavor imparting cartridge 130 includes a flavor source 131 and a mouthpiece 124.
  • An air flow path 180 is formed in the cartridge 120 and the flavor imparting cartridge 130.
  • the power supply unit 111A stores power.
  • the power supply unit 111A supplies power to each component of the suction device 100A under the control of the control unit 116A.
  • the power supply unit 111A may be configured, for example, by a rechargeable battery such as a lithium ion secondary battery.
  • the sensor unit 112A acquires various information related to the suction device 100A.
  • the sensor unit 112A is configured with a pressure sensor such as a condenser microphone, a flow rate sensor, or a temperature sensor, and acquires values associated with suction by the user.
  • the sensor unit 112A is configured with an input device such as a button or switch that accepts information input from the user.
  • the notification unit 113A notifies the user of information.
  • the information that the notification unit 113A notifies the user includes various information such as the SOC (State Of Charge) indicating the charging state of the power supply unit 111A, the pre-heating time for inhalation, and the period during which inhalation is possible.
  • the notification unit 113A is composed of, for example, a light-emitting device that emits light, a display device that displays images, a sound output device that outputs sound, or a vibration device that vibrates.
  • the storage unit 114A stores various information for the operation of the suction device 100A.
  • the storage unit 114A is configured, for example, with a non-volatile storage medium such as a flash memory.
  • the communication unit 115A is a communication interface capable of performing communication conforming to any wired or wireless communication standard.
  • Such communication standards may include, for example, standards using Wi-Fi (registered trademark), Bluetooth (registered trademark), BLE (Bluetooth Low Energy (registered trademark)), NFC (Near Field Communication), or LPWA (Low Power Wide Area).
  • the control unit 116A functions as an arithmetic processing unit and a control unit, and controls the overall operation of the suction device 100A in accordance with various programs.
  • the control unit 116A is realized by an electronic circuit such as a CPU (Central Processing Unit) or a microprocessor.
  • the liquid storage unit 123 stores the aerosol source.
  • the aerosol source is atomized to generate an aerosol.
  • the aerosol source is, for example, a liquid such as a polyhydric alcohol such as glycerin and propylene glycol, or water.
  • the aerosol source may contain a tobacco-derived or non-tobacco-derived flavor component. If the inhalation device 100A is a medical inhaler such as a nebulizer, the aerosol source may contain a medicine.
  • the liquid guide section 122 guides and holds the aerosol source, which is a liquid stored in the liquid storage section 123, from the liquid storage section 123.
  • the liquid guide section 122 is, for example, a wick formed by twisting a fiber material such as glass fiber or a porous material such as porous ceramic. In this case, the aerosol source stored in the liquid storage section 123 is guided by the capillary effect of the wick.
  • the heating unit 121A generates aerosol by heating the aerosol source and atomizing the aerosol source.
  • the heating unit 121A is configured as a coil and is wound around the liquid guide unit 122.
  • the heating unit 121A generates heat, the aerosol source held in the liquid guide unit 122 is heated and atomized, and an aerosol is generated.
  • the heating unit 121A generates heat when power is supplied from the power supply unit 111A.
  • the sensor unit 112A detects that the user has started inhaling and/or that predetermined information has been input, power may be supplied to the heating unit 121A.
  • the sensor unit 112A detects that the user has stopped inhaling and/or that predetermined information has been input, power supply to the heating unit 121A may be stopped.
  • the user's inhalation action on the suction device 100A can be detected, for example, based on the pressure (internal pressure) inside the suction device 100A detected by a suction sensor exceeding a predetermined threshold.
  • the flavor source 131 is a component for imparting flavor components to the aerosol.
  • the flavor source 131 may contain tobacco-derived or non-tobacco-derived flavor components.
  • the air flow path 180 is a flow path for air inhaled by the user.
  • the air flow path 180 has a tubular structure with an air inlet hole 181, which is an entrance of air into the air flow path 180, and an air outlet hole 182, which is an exit of air from the air flow path 180, at both ends.
  • the liquid guide section 122 is arranged on the upstream side (the side closer to the air inlet hole 181), and the flavor source 131 is arranged on the downstream side (the side closer to the air outlet hole 182).
  • the air flowing in from the air inlet hole 181 as the user inhales is mixed with the aerosol generated by the heating section 121A, and as shown by the arrow 190, is transported through the flavor source 131 to the air outlet hole 182.
  • the flavor components contained in the flavor source 131 are imparted to the aerosol.
  • the mouthpiece 124 is a member that is held by the user when inhaling.
  • An air outlet hole 182 is arranged in the mouthpiece 124.
  • the configuration of the suction device 100A is not limited to the above, and various configurations such as those shown below are possible.
  • the inhalation device 100A may not include a flavoring cartridge 130.
  • the cartridge 120 is provided with a mouthpiece 124.
  • the suction device 100A may include multiple types of aerosol sources. Multiple types of aerosols generated from the multiple types of aerosol sources may be mixed in the air flow path 180 and undergo a chemical reaction to generate further types of aerosols.
  • the means for atomizing the aerosol source is not limited to heating by the heating unit 121A.
  • the means for atomizing the aerosol source may be vibration atomization or induction heating.
  • FIG. 2 is a schematic diagram showing a second configuration example of the suction device.
  • the suction device 100B according to this configuration example includes a power supply unit 111B, a sensor unit 112B, a notification unit 113B, a memory unit 114B, a communication unit 115B, a control unit 116B, a heating unit 121B, a storage unit 140, and a heat insulating unit 144.
  • the power supply unit 110 that stores the power supply unit 111A and the heating unit 121A are separate, but in the suction device 100B according to the second configuration example, the power supply unit 111B and the heating unit 121B are integrated. That is, the suction device 100B according to the second configuration example can also be said to be a power supply unit with a built-in heating unit.
  • Each of the power supply unit 111B, the sensor unit 112B, the notification unit 113B, the memory unit 114B, the communication unit 115B, and the control unit 116B is substantially the same as the corresponding components included in the suction device 100A according to the first configuration example.
  • the storage section 140 has an internal space 141 and holds the stick-shaped substrate 150 while storing a part of the stick-shaped substrate 150 in the internal space 141.
  • the storage section 140 has an opening 142 that connects the internal space 141 to the outside, and stores the stick-shaped substrate 150 inserted into the internal space 141 through the opening 142.
  • the storage section 140 is a cylindrical body with the opening 142 and the bottom 143 as the bottom surface, and defines a columnar internal space 141.
  • An air flow path that supplies air to the internal space 141 is connected to the storage section 140.
  • An air inlet hole which is an air inlet to the air flow path, is arranged, for example, on the side of the suction device 100.
  • An air outlet hole which is an air outlet from the air flow path to the internal space 141, is arranged, for example, on the bottom 143.
  • the stick-type substrate 150 includes a substrate portion 151 and a mouthpiece portion 152.
  • the substrate portion 151 includes an aerosol source.
  • the aerosol source includes a flavor component derived from tobacco or non-tobacco.
  • the aerosol source may include a medicine.
  • the aerosol source may be, for example, a liquid such as polyhydric alcohol such as glycerin and propylene glycol, and water, which includes a flavor component derived from tobacco or non-tobacco, or may be a solid containing a flavor component derived from tobacco or non-tobacco.
  • the stick-type substrate 150 When the stick-type substrate 150 is held in the storage portion 140, at least a part of the substrate portion 151 is stored in the internal space 141, and at least a part of the mouthpiece portion 152 protrudes from the opening 142.
  • the heating section 121B is configured in a film shape and is arranged to cover the outer periphery of the storage section 140.
  • the heating section 121B generates heat, the substrate section 151 of the stick-shaped substrate 150 is heated from the outer periphery, and an aerosol is generated.
  • the insulating section 144 prevents heat transfer from the heating section 121B to other components.
  • the insulating section 144 is made of a vacuum insulating material or an aerogel insulating material.
  • the configuration of the suction device 100B is not limited to the above, and various configurations such as those shown below are possible.
  • the heating section 121B may be configured in a blade shape and disposed so as to protrude from the bottom 143 of the storage section 140 into the internal space 141. In that case, the blade-shaped heating section 121B is inserted into the substrate section 151 of the stick-shaped substrate 150 and heats the substrate section 151 of the stick-shaped substrate 150 from the inside. As another example, the heating section 121B may be disposed so as to cover the bottom 143 of the storage section 140. Furthermore, the heating section 121B may be configured as a combination of two or more of a first heating section that covers the outer periphery of the storage section 140, a blade-shaped second heating section, and a third heating section that covers the bottom 143 of the storage section 140.
  • the storage unit 140 may include an opening/closing mechanism, such as a hinge, that opens and closes a portion of the outer shell that forms the internal space 141. The storage unit 140 may then open and close the outer shell to accommodate the stick-shaped substrate 150 inserted into the internal space 141 while clamping it.
  • the heating unit 121B may be provided at the clamping location in the storage unit 140, and may heat the stick-shaped substrate 150 while pressing it.
  • the means for atomizing the aerosol source is not limited to heating by the heating unit 121B.
  • the means for atomizing the aerosol source may be induction heating.
  • the suction device 100B has at least an electromagnetic induction source such as a coil that generates a magnetic field, instead of the heating unit 121B.
  • a susceptor that generates heat by induction heating may be provided in the suction device 100B, or may be included in the stick-shaped substrate 150.
  • the suction device 100B may further include the heating unit 121A, the liquid guide unit 122, the liquid storage unit 123, and the air flow path 180 according to the first configuration example, and the air flow path 180 may supply air to the internal space 141.
  • the mixed fluid of the aerosol and air generated by the heating unit 121A flows into the internal space 141 and is further mixed with the aerosol generated by the heating unit 121B, and reaches the user's oral cavity.
  • suction device 100 an embodiment of a suction device (hereinafter, referred to as suction device 100) in which the configuration of the suction device disclosed herein is applied to the suction device 100B of the second configuration example described above will be described. Note that, although a specific description will be omitted, a part of the configuration of the suction device 100 described in detail below can also be applied to the suction device 100A of the first configuration example.
  • Figure 3 is an overall perspective view of the suction device 100.
  • the direction in which the stick-shaped substrate 150 is inserted into and removed from the suction device 100 is defined as the up-down direction
  • the direction in which the shutter 23, which will be described later, slides is defined as the front-rear direction
  • the direction perpendicular to the up-down direction and the front-rear direction is defined as the left-right direction.
  • the front is defined as Fr, the rear as Rr, the left side as L, the right side as R, the top as U, and the bottom as D.
  • the suction device 100 is preferably sized to fit in the hand, and has, for example, a rod shape.
  • a user holds the suction device 100 in one hand with the fingertips in contact with the surface of the suction device 100.
  • the shape of the suction device 100 is not limited to a rod shape, and can be any shape (for example, a rounded, approximately rectangular parallelepiped shape or an egg shape).
  • the suction device 100 comprises an internal unit 10 (see Figures 4 to 6) and a case 20 that constitutes the exterior of the suction device 100.
  • the case 20 has a lower case 21 and an upper case 22. A portion of the internal unit 10 is housed in the lower case 21, and the entire internal unit 10 is housed in the case 20 by placing the upper case 22 over the lower case 21 from above.
  • the top surface of the suction device 100 is provided with an opening 27 (see Figures 4 to 6) through which the stick-shaped substrate 150 is inserted and removed, and a shutter 23 that can slide back and forth.
  • the opening 27 is located at the rear side of the top surface of the suction device 100.
  • the shutter 23 selectively takes an open state (front position) that opens the opening 27 to allow the stick-shaped substrate 150 to be inserted and removed, and a closed state (rear position) that positions the shutter 23 above the opening 27 to close the opening 27.
  • the user opens the shutter 23.
  • a shutter detection sensor 11 (see FIG. 4) is provided near the shutter 23.
  • the shutter detection sensor 11 detects whether the shutter 23 is open or not.
  • the shutter detection sensor 11 is an example of the sensor unit 112B of the suction device 100B in FIG. 2.
  • a USB (Universal Serial Bus) port 26 (see FIG. 4) is provided on the top surface of the suction device 100, adjacent to the opening 27.
  • the shutter 23 blocks the USB port 26.
  • the USB port 26 is open.
  • the USB port 26 is configured to be electrically connectable to an external power source (not shown) capable of supplying power for charging the power supply unit 111C (see FIG. 4).
  • the USB port 26 is, for example, a receptacle into which a mating plug can be inserted.
  • the USB port 26 is a USB Type-C shaped receptacle.
  • the suction device 100 has an operation unit 24 and a light-emitting unit 25 on the front side.
  • the operation unit 24 is disposed below the light-emitting unit 25. More specifically, the operation unit 24 and the light-emitting unit 25 are components of the internal unit 10 housed in the case 20, and are configured such that a portion of the operation unit 24 and the light-emitting unit 25 are exposed from an opening formed on the front side of the case 20.
  • the light-emitting unit 25 is an example of the notification unit 113B of the suction device 100B in FIG. 2.
  • the operation unit 24 is a button-type switch that can be operated by the user, and is an input device that accepts information input from the user.
  • the operation unit 24 is connected to the main board 50 (see Figures 4 to 6) described below.
  • the MCU (Micro Controller Unit) 1 (see Figures 4 to 6) or the heating unit 121C (see Figure 7) is started.
  • the MCU 1 functions as the control unit 116B in the suction device 100B.
  • the MCU 1 may also have an integrated function as the communication unit 115B in addition to the function as the control unit 116B in the suction device 100B.
  • the MCU 1 may be composed of one IC or two or more ICs.
  • the discharge control to the heating unit 121C and the charge control to the power supply unit 111C may be performed by one IC or by separate ICs.
  • the light-emitting unit 25 is composed of light-emitting elements such as LEDs (Light Emitting Diodes).
  • the light-emitting unit 25 has a plurality of LEDs 251 (see FIG. 6) provided on the main board 50, and a transparent cover 250 that covers the plurality of LEDs 251 and transmits light from the LEDs 251. A portion of the transparent cover 250 is exposed from an opening formed on the front surface of the case 20.
  • the plurality of LEDs 251 are configured to be capable of emitting light in a plurality of colors including blue, yellow, and red.
  • the number of light-emitting elements can be set arbitrarily, and for example, the light-emitting unit 25 may have only one light-emitting element.
  • the light emitting unit 25 emits light in a predetermined light emission manner in response to a command from the MCU 1, and notifies the user of predetermined information.
  • the light emission manner can be, for example, the light emission color, but is not limited to this, and can be, for example, the strength of the lighting intensity (in other words, brightness), or the lighting pattern (for example, blinking at a predetermined time interval), etc.
  • the predetermined information is, for example, operational information indicating whether the power of the suction device 100 is on or not.
  • Figure 4 is a perspective view of the internal unit 10 seen from the front right side
  • Figure 5 is a perspective view of the internal unit 10 seen from the front left side
  • Figure 6 is an exploded perspective view of the internal unit 10
  • Figure 7 is a cross-sectional perspective view of the heater assembly 30
  • Figure 8 is a block diagram simply showing the electrical connections of the main elements of the internal unit 10.
  • the internal unit 10 is the suction device 100 with the case 20 and shutter 23 removed.
  • the internal unit 10 includes a chassis 40, a main board 50, a vibration device 60, a heater assembly 30, a power supply unit 111C, a power supply board 71, a peripheral FPC (Flexible Printed Circuits) 72, a sensor FPC 73, and various sensors.
  • the peripheral FPC 72 and the sensor FPC 73 are flexible circuit boards. Flexible circuit boards are flexible, contain conductive wiring and/or signal wiring, and can mount electronic components (elements) such as resistors and chips. Flexible circuit boards generally have a thickness of 100 ⁇ m to 600 ⁇ m.
  • the power supply board 71 may be a flexible circuit board, a rigid board (described later), or a combination of a flexible board and a rigid board, but a flexible circuit board will be described here as an example.
  • the chassis 40 has a power supply holding portion 41 that holds the power supply unit 111C, a board holding portion 42 that holds the main board 50, and a heater holding portion 43 that holds the heater assembly 30.
  • the power supply holding portion 41 is located in the lower part of the chassis 40, and the board holding portion 42 and the heater holding portion 43 are located in the upper part of the chassis 40.
  • the power supply holding section 41 has a cylindrical shape with a portion of the side cut out, in other words, a roughly semi-cylindrical shape.
  • the power supply holding section 41 has a bottom wall section 401, a side wall section 402 having an arc shape and standing upward from the bottom wall section 401, and an upper wall section 403 provided at the upper end section of the side wall section 402.
  • the power supply section 111C is disposed in a space surrounded by the bottom wall section 401, the side wall section 402, and the upper wall section 403.
  • the board holding portion 42 is provided on a vertical wall portion 404 that stands upward from the upper wall portion 403 of the power supply holding portion 41.
  • the board holding portion 42 is provided on one side (here, the front side) of the vertical wall portion 404 in the front-to-rear direction, and holds the main board 50.
  • the heater holding portion 43 is provided on the opposite side (here, the rear side) of the vertical wall portion 404 from the substrate holding portion 42 in the front-rear direction.
  • the heater holding portion 43 has a space surrounded by the vertical wall portion 404, a pair of left and right wall portions 405 extending in the front-rear direction from the vertical wall portion 404, and the upper surface of the upper wall portion 403 of the power supply holding portion 41, and the heater assembly 30 is disposed in this space.
  • the main board 50 is a rigid board on which a plurality of electronic components (elements) are mounted on both sides. Rigid boards are not flexible and generally have a thickness of 300 ⁇ m to 1,600 ⁇ m.
  • the main board 50 is mounted with an MCU 1, an LED 251, a charging IC (Integrated Circuit) 81, a step-up DC/DC converter 82, and the like.
  • the main board 50 is held by the board holder 42 of the chassis 40 so that the element mounting surface faces the front-rear direction. In FIG. 6, only the front surface 501 (here, the front surface) of the main board 50 is shown. Therefore, the charging IC 81 and the step-up DC/DC converter 82 mounted on the back surface 502 (here, the rear surface) are not shown.
  • a power supply connection section 51 that electrically connects to the power supply section 111C is provided in the lower region of the surface 501 of the main board 50.
  • the power supply connection section 51 is electrically connected to the power supply section 111C via the board connection section 710 of the power supply board 71.
  • the power supply section 111C is a cylindrical lithium ion secondary battery, and is an example of the power supply section 111B of the suction device 100B in FIG. 2.
  • the power supply unit 111C is provided with a positive electrode tab 111a and a negative electrode tab 111b.
  • the power supply unit 111C is arranged in the power supply holding portion 41 of the chassis 40 with the positive electrode tab 111a and the negative electrode tab 111b arranged forward.
  • the power supply board 71 is arranged in front of the power supply unit 111C and the main board 50 and extends in the vertical direction. Also referring to FIG.
  • the positive electrode tab connection portion 711a and the negative electrode tab connection portion 711b of the power supply board 71 are connected to the positive electrode tab 111a and the negative electrode tab 111b of the power supply unit 111C, respectively, and the board connection portion 710 is electrically connected to the power supply connection portion 51 of the main board 50.
  • the power of the power supply unit 111C is transmitted to the main board 50 through the conductive track formed on the power supply board 71 and is supplied to each electronic component, for example, the step-up DC/DC converter 82.
  • the power supply board 71 is also provided with a power supply temperature sensor 16.
  • the power supply temperature sensor 16 is a sensor that detects the temperature of the power supply unit 111C.
  • the power supply temperature sensor 16 is, for example, a thermistor.
  • the power supply temperature sensor 16 is an example of the sensor unit 112B of the suction device 100B in FIG. 2.
  • a USB port 26 is provided in the upper region of the back surface 502 of the main board 50.
  • the USB port 26 is electrically connected to the charging IC 81 by wiring formed on the main board 50.
  • the rear surface 502 of the main board 50 is provided with a charging IC 81, a step-up DC/DC converter 82, and heater connections 57a, 57b.
  • the charging IC 81 performs charging control to supply (charge) the power input from the USB port 26 to the power supply unit 111C.
  • the step-up DC/DC converter 82 boosts the power supplied from the power supply unit 111C to generate power to be supplied to the heating unit 121C via the heating switch 85.
  • the heating switch 85 is, for example, a FET (Field Effect Transistor).
  • the heater connectors 57a and 57b are connected to the board connector 121a extending from below the heater assembly 30, and supply power to the heating section 121C of the heater assembly 30. This allows power to be supplied from the power supply section 111C to the heating section 121C of the heater assembly 30 via the main board 50.
  • the vibration device 60 is composed of a vibration element such as a vibration motor. As shown in FIG. 6, the vibration device 60 is disposed between the upper surface of the power supply unit 111C and the upper wall unit 403 in the power supply holding unit 41 of the chassis 40. The lead wire 61 of the vibration device 60 is connected to the peripheral FPC 72.
  • the vibration device 60 vibrates in a predetermined vibration mode in response to a command from the MCU 1 to notify the user of predetermined information. For example, when the heating of the stick-type substrate 150 starts or ends, the vibration device 60 vibrates in a predetermined vibration mode to notify the user of the start or end of heating.
  • the vibration device 60 is an example of the notification unit 113B of the suction device 100B in FIG. 2.
  • the heater assembly 30 includes a heating section 121C, a housing section 140C, and a heat insulating section 144C.
  • the heating section 121C is, for example, a film heater, and is wound around the outer periphery of the housing section 140C.
  • the heating section 121C and the board connection section 121a may be formed of a single heater FPC.
  • the heater assembly 30 is also provided with a stick guide 31.
  • the stick guide 31 is provided on the upper part of the heater assembly 30 and guides the insertion and removal of the stick-shaped substrate 150 into the storage section 140C.
  • the stick guide 31 is a cylindrical member that has an opening 27 and constitutes part of the storage section 140C.
  • the heater assembly 30 is also provided with a heater temperature sensor 15 capable of detecting the temperature of the heating section 121C. More specifically, the heater temperature sensor 15 is provided between the heating section 121C and the insulating section 144C, in contact with or in close proximity to the heating section 121C.
  • the heater temperature sensor 15 is, for example, a thermistor.
  • the sensor FPC 73 is disposed between the standing wall portion 404 of the heater holding portion 43 and the heater assembly 30.
  • the sensor FPC 73 is equipped with a stick detection sensor 12, a suction sensor 13, and a case temperature sensor 14.
  • the stick detection sensor 12, the suction sensor 13, and the case temperature sensor 14 are an example of the sensor unit 112B of the suction device 100B in FIG.
  • the stick detection sensor 12 is a sensor capable of detecting the stick-shaped substrate 150 housed in the housing section 140.
  • the stick detection sensor 12 is an optical sensor capable of detecting the stick-shaped substrate 150 based on the amount of reflected light of light irradiated onto the housing section 140.
  • the amount of light is a concept that includes luminous flux, illuminance, luminous flux emittance, luminous intensity, brightness, etc.
  • the optical sensor is, for example, an IR (Infrared Rays) sensor.
  • the suction sensor 13 is a sensor that detects the user's puffing action (inhalation action).
  • the suction sensor 13 is composed of, for example, a condenser microphone, a pressure sensor, a puff thermistor, etc.
  • the suction sensor 13 is provided near the stick guide 31 on the sensor FPC 73.
  • the case temperature sensor 14 is a sensor that detects the temperature of the case 20.
  • the case temperature sensor 14 is, for example, a thermistor.
  • the case temperature sensor 14 is arranged adjacent to the inner surface of the case 20 on the sensor FPC 73.
  • the sensor FPC 73 is also provided with a heater temperature sensor connection 731 that connects to the heater temperature sensor 15 of the heater assembly 30.
  • the heater temperature sensor connection 731 is provided on the lower part of the sensor FPC 73. More specifically, a lead wire 15a is connected to the heater temperature sensor 15, and the heater temperature sensor connection 731 connects to the lead wire 15a extending from below the heater assembly 30.
  • the stick detection sensor 12, suction sensor 13, case temperature sensor 14, and heater temperature sensor connection part 731 are connected to the board connection part 730 via signal wiring formed on the sensor FPC 73.
  • the board connection part 730 is electrically connected to the sensor FPC connection part 55 provided in the central area of the surface 501 of the main board 50. This allows the detection results of each sensor to be output to the MCU 1 and other devices mounted on the main board 50.
  • the sensor FPC 73 will be explained in more detail later.
  • the MCU1 starts heating the heating unit 121C.
  • aerosol is supplied into the user's mouth from the aerosol source of the stick-shaped substrate 150 heated by the heating unit 121C.
  • the suction sensor 13 detects the number of suctions, and the MCU1 stops heating after a predetermined number of suctions or after a predetermined time has elapsed.
  • the suction device 100 While the suction device 100 is heating, the case temperature sensor 14, heater temperature sensor 15, and power supply temperature sensor 16 detect the respective temperatures, and if abnormal heating is determined, the MCU1 stops or suppresses heating of the heating unit 121C.
  • the user can operate the operation unit 24 to, for example, check the SOC of the power supply unit 111C.
  • the light-emitting unit 25 (LED 251) and the vibration device 60 notify the user of various information such as the SOC of the power supply unit 111C, error indications, etc. If the SOC of the power supply unit 111C decreases, the user can connect an external power source to the USB port 26 to charge the power supply unit 111C.
  • Figure 9 is a development of the front side of the sensor FPC 73
  • Figure 10 is a development of the back side of the sensor FPC 73
  • Figure 11 is a cross-sectional view of the sensor FPC 73. Note that the dashed and double-dashed lines in Figures 9 and 10 are folding lines.
  • the sensor FPC 73 has a multi-layer structure. Specifically, as shown in FIG. 11, the sensor FPC 73 has a base material 760, a first conductive layer L1 provided on one side of the base material 760 (hereinafter, the front side), a second conductive layer L2 provided on the other side of the base material 760 (hereinafter, the back side), a first insulating layer 761 located on the first conductive layer L1, a second insulating layer 762 located on the second conductive layer L2, a first adhesive layer 763 that bonds the first conductive layer L1 and the first insulating layer 761, and a second adhesive layer 764 that bonds the second conductive layer L2 and the second insulating layer 762.
  • the sensor FPC 73 has a generally rectangular main body 751 that is longer in the vertical direction than in the horizontal direction, a right upper extension 752 that extends to the right from the top of the main body 751, a right lower extension 753 that extends to the right from the bottom of the main body 751 and then bends upward, a lower extension 754 that extends further downward from the bottom of the main body 751, an upper extension 755 that extends further upward from the top of the main body 751, an upper right extension 756 that extends to the right from the upper extension 755, and an upper left extension 757 that extends to the left from the upper extension 755.
  • the upper left extension 757 is longer than the upper right extension 756, and is configured so that the tip (left end) of the upper left extension 757 faces the main body 751 when the sensor FPC 73 is folded and stored in the case 20 (hereinafter, the stored state) as shown in FIG. 6.
  • the sensor FPC 73 is equipped with the stick detection sensor 12, suction sensor 13, and case temperature sensor 14, and is connected to the sensor FPC connection part 55 of the main board 50 by the board connection part 730. More specifically, the stick detection sensor 12, suction sensor 13, and case temperature sensor 14 are mounted on the surface of the sensor FPC 73, as shown in FIG. 9.
  • the stick detection sensors 12 are arranged in approximately symmetrical positions on either side of the upper extension 755, one on the upper right extension 756 and one on the upper left extension 757.
  • the stick detection sensors 12 are arranged on the outer periphery of the stick guide 31 in the stored state, and detect the stick-shaped substrate 150 stored in the storage section 140.
  • the suction sensor 13 is located at the tip (left end) of the upper left extension 757.
  • the suction sensor 13 is located on the outer periphery of the stick guide 31 in the stored state, and detects pressure changes and temperature changes of the air flowing from near the opening 27 to the storage section 140 in conjunction with the puffing action (suction action).
  • the case temperature sensor 14 is located at the tip (upper end) of the lower right extension 753. When housed, the case temperature sensor 14 is close to the wall of the case 20 and detects the temperature of the case 20. While the two stick detection sensors 12 and the suction sensor 13 are located at approximately the same position in the vertical direction (longitudinal direction of the sensor FPC), the case temperature sensor 14 is located at a different vertical position from these, that is, at the bottom in this embodiment.
  • the board connection part 730 is mounted on the back surface of the sensor FPC 73.
  • the board connection part 730 is located at the tip (right end) of the upper right extension part 752, that is, at a position between the vertical positions of the two stick detection sensors 12 and the suction sensor 13, and the vertical position of the case temperature sensor 14.
  • the main board 50 which is a rigid board
  • these sensors 12 to 14 are electrically connected together to the sensor FPC connection part 55 of the main board 50 at the board connection part 730 through signal wiring 738, 739 formed on the sensor FPC 73. Therefore, the connection parts of the sensors 12 to 14 to the main board 50 can be made common, and the main board 50, which is a rigid board, can be made smaller.
  • the board connection portion 730 of the sensor FPC 73 and the sensor FPC connection portion 55 of the main board 50 are preferably connectors 19 consisting of a plug (male connector) and a receptacle (female connector). This makes the connection easier.
  • the sensor FPC connection portion 55 is connected to the MCU 1 via signal wiring formed on the main board 50.
  • the sensor FPC 73 is equipped with three sensors: the stick detection sensor 12, the suction sensor 13, and the case temperature sensor 14.
  • other sensors may be mounted in place of or in addition to these sensors as long as two or more sensors are mounted.
  • An example of such other sensor is the power supply temperature sensor 16.
  • connection parts to the main board 50 are common.
  • the case temperature sensor 14, which is placed at a different position in the up-down direction (longitudinal direction of the sensor FPC) relative to the two stick detection sensors 12 and the suction sensor 13 is also connected to the sensor FPC connection part 55 of the main board 50 via the board connection part 730.
  • connection to the main board 50 is located between the sensor located at one end in the longitudinal direction of the sensor FPC and the sensor located at the other end.
  • the board connection 730 is located between the vertical positions (longitudinal direction of the sensor FPC) of the two stick detection sensors 12 and the suction sensor 13, and the vertical position (longitudinal direction of the sensor FPC) of the case temperature sensor 14. This makes it possible to equalize the length of the signal wiring from each sensor to the board connection 730.
  • the suction sensor 13 and the case temperature sensor 14 are supplied with the input voltage VCC1, which is an input voltage of the same potential. Therefore, the suction sensor 13 and the case temperature sensor 14 can be connected to the signal wiring 738 of the same potential and connected to the main board 50 by the same electrical contact 55a. In this way, by mounting sensors connected to signal wiring of the same potential on the sensor FPC 73, the same electrical contact 55a can be used in the sensor FPC connection part 55, so there is no need to provide multiple electrical contacts for each sensor in the sensor FPC connection part 55, and the main board 50 can be made smaller.
  • the heater temperature sensor 15 which is connected to the sensor FPC 73 via the lead wire 15a, is supplied with the same input voltage VCC1 as the suction sensor 13 and the case temperature sensor 14, is connected to signal wiring of the same potential, and is connected to the main board 50 by the same electrical contact 55a. This allows the main board 50 to be further miniaturized.
  • the two stick detection sensors 12 are also supplied with an input voltage VCC2. Therefore, the two stick detection sensors 12 are connected to the signal wiring 739 of the same potential and can be connected to the main board 50 with the same electrical contact 55b.
  • the input voltage VCC2 of the two stick detection sensors 12 and the input voltage VCC1 of the suction sensor 13 and the case temperature sensor 14 can be the same or different.
  • the electrical contacts 55a and 55b can be common or different.
  • the electrical contacts 55a and 55b must be different. In this way, even if the sensors have different input voltages, by making the electrical contacts different, they can be mounted on the sensor FPC 73 and the connection to the main board 50 can be common.
  • the senor FPC 73 is exemplified as a flexible circuit board, but this is not limited thereto, and the present disclosure may be applied to the power supply board 71, the peripheral FPC 72, or other flexible circuit boards used in the aerosol generating device.
  • a power source (power source unit 111A to 111C) that supplies power to a heating unit (heating unit 121A to 121C) that heats an aerosol source (stick-shaped substrate 150); At least two sensors (a stick detection sensor 12, a suction sensor 13, and a case temperature sensor 14); A flexible circuit board (sensor FPC 73) on which the at least two sensors are mounted; a rigid board (main board 50) fixed to the flexible circuit board via a connection part (sensor FPC connection part 55); a case (case 20) that accommodates the power source, the at least two sensors, the flexible circuit board, and the rigid board; The at least two or more sensors are electrically connected to the rigid substrate via the connection portion.
  • a power supply unit of the aerosol generating device (power supply unit 110, suction device 100B, 100).
  • a power supply unit for the aerosol generating device (suction sensor 13, case temperature sensor 14).
  • the rigid board can be made smaller than when the sensor is mounted on a rigid board.
  • the at least two sensors include a puff thermistor (suction sensor 13) that detects inhalation, and a power supply unit of the aerosol generating device.
  • the rigid board can be made smaller than when it is mounted on a rigid board.
  • the at least two sensors include a thermistor (case temperature sensor 14, power supply temperature sensor 16) that detects at least one of the temperature of the power supply and the temperature of the case, in the power supply unit of the aerosol generating device.
  • the rigid board can be made smaller than when it is mounted on a rigid board.
  • a power supply unit for the aerosol generating device includes a sensor (stick detection sensor 12) that detects the insertion of the aerosol source into the heating section, and a power supply unit of the aerosol generating device.
  • the rigid board can be made smaller than when it is mounted on a rigid board.
  • a power supply unit for the aerosol generating device according to any one of (1) to (5), A power supply unit of an aerosol generating device, in which the at least two or more sensors are connected to a signal wiring (signal wiring 738) of the same potential and to the same electrical contact (electrical contact 55a) at the connection portion.
  • the same electrical contacts can be used at the connection points, eliminating the need to provide multiple electrical contacts at the connection points for each sensor, and allowing the rigid board to be made smaller.
  • a power supply unit for the aerosol generating device according to any one of (1) to (6), A power supply unit of an aerosol generating device, wherein the at least two or more sensors are connected to different electrical contacts (electrical contacts 55a, 55b) at the connection portion.
  • the flexible circuit board is not limited to only having sensors connected to signal wiring of the same potential, but may also have sensors connected to signal wiring of different potentials, and by mounting sensors on the flexible circuit board, the rigid board can be made smaller.
  • a power supply unit for the aerosol generating device according to any one of (1) to (7), An element different from the at least two sensors is connected to the flexible circuit board by a lead wire, A power supply unit for an aerosol generating device, wherein the element is electrically connected to the rigid substrate via the connection portion.
  • connection parts can be made common, and the rigid board can be made smaller.
  • a power supply unit for the aerosol generating device according to any one of (1) to (8), A power supply unit of an aerosol generating device, wherein the at least two sensors are mounted at different positions in the longitudinal direction of the flexible circuit board.
  • sensors located far away can be connected to the rigid board using a common connection part.
  • the length of the signal wiring from the sensor to the connection part can be equalized.
  • a power supply unit for the aerosol generating device according to any one of (1) to (10), A control device (control unit 116A, control unit 116B, MCU1) is mounted on the rigid substrate and controls discharging to the heating unit and/or charging to the power source, A power supply unit of an aerosol generating device, wherein the at least two sensors are electrically connected to the control device via the connection portion.
  • control device can be securely held by mounting the control device on a rigid board.
  • a power supply unit for the aerosol generating device according to any one of (1) to (11), The power supply unit of the aerosol generating device, wherein the connection portion is a connector (connector 19) consisting of a plug and a receptacle.
  • a power source power source units 111A to 111C
  • a heating unit heating units 121A to 121C that consumes the power supplied from the power source to heat the aerosol source
  • At least two sensors a stick detection sensor 12, a suction sensor 13, and a case temperature sensor 14
  • a flexible circuit board sensor FPC 73 on which the at least two sensors are mounted
  • a rigid board main board 50
  • a connection part sensor FPC connection part 55
  • case case 20
  • the at least two sensors are electrically connected to the rigid substrate via the connection portion, in an aerosol generating device (suction device 100B, 100).
  • the rigid board by mounting at least two or more sensors on a flexible circuit board and making the connection parts of each sensor to the rigid board common, the rigid board can be made smaller.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Surgical Instruments (AREA)
  • Toys (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
PCT/JP2022/046468 2022-12-16 2022-12-16 エアロゾル生成装置の電源ユニット、及びエアロゾル生成装置 Ceased WO2024127650A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020257022891A KR20250121382A (ko) 2022-12-16 2022-12-16 에어로졸 생성 디바이스용 전원 장치 및 에어로졸 생성 디바이스
JP2024564125A JPWO2024127650A1 (https=) 2022-12-16 2022-12-16
PCT/JP2022/046468 WO2024127650A1 (ja) 2022-12-16 2022-12-16 エアロゾル生成装置の電源ユニット、及びエアロゾル生成装置
CN202280102641.0A CN120302904A (zh) 2022-12-16 2022-12-16 用于气溶胶产生装置的电源单元和气溶胶产生装置
EP22968559.9A EP4635328A1 (en) 2022-12-16 2022-12-16 Power source unit for aerosol generation device, and aerosol generation device

Applications Claiming Priority (1)

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PCT/JP2022/046468 WO2024127650A1 (ja) 2022-12-16 2022-12-16 エアロゾル生成装置の電源ユニット、及びエアロゾル生成装置

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WO2026065208A1 (en) * 2024-09-29 2026-04-02 Philip Morris Products S.A. Aerosol-generating device with flexible and separate rigid pcb
WO2026067714A1 (en) * 2024-09-29 2026-04-02 Philip Morris Products S.A. Aerosol-generating device with connection elements

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WO2026065208A1 (en) * 2024-09-29 2026-04-02 Philip Morris Products S.A. Aerosol-generating device with flexible and separate rigid pcb
WO2026067714A1 (en) * 2024-09-29 2026-04-02 Philip Morris Products S.A. Aerosol-generating device with connection elements

Also Published As

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CN120302904A (zh) 2025-07-11
EP4635328A1 (en) 2025-10-22
JPWO2024127650A1 (https=) 2024-06-20
KR20250121382A (ko) 2025-08-12

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