WO2024127649A1 - Dispositif d'inhalation, procédé de commande et programme - Google Patents

Dispositif d'inhalation, procédé de commande et programme Download PDF

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Publication number
WO2024127649A1
WO2024127649A1 PCT/JP2022/046467 JP2022046467W WO2024127649A1 WO 2024127649 A1 WO2024127649 A1 WO 2024127649A1 JP 2022046467 W JP2022046467 W JP 2022046467W WO 2024127649 A1 WO2024127649 A1 WO 2024127649A1
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Prior art keywords
unit
temperature
heating
heating unit
suction device
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PCT/JP2022/046467
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English (en)
Japanese (ja)
Inventor
寛 手塚
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日本たばこ産業株式会社
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Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to PCT/JP2022/046467 priority Critical patent/WO2024127649A1/fr
Publication of WO2024127649A1 publication Critical patent/WO2024127649A1/fr

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  • the present disclosure relates to an aspiration device, a control method, and a program that generate an aerosol from a substrate having an aerosol source.
  • inhalation devices that generate an aerosol containing, for example, a flavor component and allow a user to inhale the generated aerosol.
  • inhalation devices deliver the generated aerosol to a user by heating a substrate containing an aerosol source with a heating section (also called a "heating element") that is an electrical resistance or induction heater.
  • the suction device activates the heating section after the substrate is inserted into the housing section.
  • the electrically heated smoking system of Patent Document 1 is activated when a detector detects a smoking article in the cavity.
  • the heating unit were to start operating after the substrate was inserted into the storage unit, in a low temperature environment (hereinafter also referred to as a low temperature environment), the user would have to wait a long time from inserting the substrate until the aerosol could be inhaled, which could reduce the convenience of using the inhalation device.
  • a low temperature environment hereinafter also referred to as a low temperature environment
  • the present disclosure provides a suction device, a control method, and a program that are more convenient for use in low-temperature environments.
  • An aspiration device for generating an aerosol from a substrate having an aerosol source comprising: A storage section in which the base material is stored; A heating unit capable of heating the base material accommodated in the accommodation unit; A control unit that controls the heating unit, When the temperature of the heating section is lower than a predetermined temperature, the control section starts operation of the heating section before the substrate is accommodated in the accommodation section.
  • a computer-implemented method for controlling operation of an aspirator for generating an aerosol from a substrate having an aerosol source comprising:
  • the suction device is A storage section in which the base material is stored;
  • the computer includes: When the substrate is accommodated in the accommodation section, the heating section is operated, The heating section is operated in response to the substrate being removed from the storage section after the operation of heating the substrate is completed.
  • One aspect of the present disclosure is A program for causing a computer to execute a predetermined process to control an operation of a suction device for generating an aerosol from a substrate having an aerosol source
  • the suction device is A storage section in which the base material is stored; A heating unit that heats the storage unit,
  • the computer includes: When the substrate is accommodated in the accommodation section, the heating section is operated, operating the heating unit in response to the substrate being removed from the storage unit after completion of the operation of heating the substrate; Execute the process.
  • This disclosure makes it possible to improve convenience when used in low-temperature environments.
  • 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 the suction device 100 according to one embodiment 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.
  • FIG. 8 is a cross-sectional view taken along line AA in FIG.
  • FIG. 9 is a schematic diagram showing how light emitted from the stick detection sensor 12 travels when the stick-shaped substrate 150 is in a housed state and in an unhoused state.
  • FIG. 10 is a graph showing the detection or non-detection of the stick-shaped substrate 150 based on brightness.
  • FIG. 11 is a development view of the heating section 121C which is a film heater.
  • FIG. 12 is a graph showing a heating profile for a stick and a heating profile for pre-heating.
  • FIG. 13 is a graph showing that after the operation of the heating unit 121C based on the pre-heating heating profile has been started, the operation of the heating unit 121C based on the stick heating profile is executed.
  • FIG. 14 is a graph showing that the operation of the heating unit 121C is forcibly terminated when a malfunction occurs in the heating unit 121C during preheating.
  • FIG. 15 is a flowchart showing an example of a process executed by the MCU 1.
  • 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 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 specific 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 specific information has been input, power supply to the heating unit 121A may be stopped.
  • the inhalation action of the user on the inhalation device 100A can be detected, for example, based on the pressure (internal pressure) inside the inhalation device 100A detected by a puff sensor exceeding a specific 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 of the second configuration example, the power supply unit 111B and the heating unit 121B are integrated. That is, the suction device 100B of 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 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 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.
  • [Overall configuration of the suction device] 3 is an overall perspective view of the suction device 100.
  • the direction in which the stick-type 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 and moves 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 is defined as Rr
  • the left side is defined as L
  • the right side is defined as R
  • the top is defined as U
  • the bottom is defined 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. Note that 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 power supply board 71 may be a flexible circuit board, a rigid board (described below), or a combination of a flexible board and a rigid board, but a flexible circuit board will be used as an example here.
  • 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.
  • An MCU 1, an LED 251, a charging IC (Integrated Circuit), a step-up DC/DC converter, etc. are mounted on the main board 50.
  • 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.
  • FIG. 6 only the front surface 501 (here, the front surface) of the main board 50 is shown. Therefore, the charging IC and the step-up DC/DC converter mounted on the back surface 502 (here, the rear surface) are not shown.
  • a power supply connection section 51 that is electrically connected 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 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 in front.
  • 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.
  • the power supply board 71 is connected to the positive electrode tab 111a and the negative electrode tab 111b of the power supply unit 111C, and is also 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 supplied to each electronic component.
  • 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 portion 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 a charging IC (not shown) by wiring formed on the main board 50.
  • the rear surface 502 of the main board 50 is provided with a heater connection section in addition to a charging IC and a boost DC/DC converter (not shown).
  • the charging IC performs charging control to supply (charge) the power input from the USB port 26 to the power supply section 111C.
  • the boost DC/DC converter boosts the power supplied from the power supply section 111C to generate power to be supplied to the heating section 121C (see FIG. 7).
  • the heater connection portion is connected to the board connection portion 121a extending from below the heater assembly 30, and supplies power to the heating portion 121C of the heater assembly 30. As a result, power is supplied from the power supply portion 111C via the main board 50 to the heating portion 121C of the heater assembly 30.
  • 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 in the power supply holding portion 41 of the chassis 40 between the upper surface of the power supply portion 111C and the upper wall portion 403. 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 portion 113B of the suction device 100B in FIG. 2.
  • FIG. 7 is a cross-sectional perspective view of heater assembly 30.
  • 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 140C.
  • 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 140C.
  • 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 or a pressure sensor.
  • 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 conductive tracks formed on the sensor FPC 73.
  • the board connection part 730 is connected to the sensor FPC connection part 55 provided in the central region of the surface 501 of the main board 50. This allows the detection results of each sensor to be output to the MCU 1 mounted on the main board 50, etc.
  • 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.
  • the stick detection sensor 12 is an optical sensor that irradiates light to the storage section 140C and detects the amount of light reflected from the storage section 140C.
  • the MCU 1 is configured to be able to detect whether or not the stick-shaped substrate 150 is stored in the storage section 140C based on the amount of reflected light detected by the stick detection sensor 12.
  • the light that the stick detection sensor 12 irradiates and receives is, for example, near-infrared light, and in this case, the stick detection sensor 12 is an IR sensor.
  • the stick detection sensor 12 is assumed to detect "brightness" as an example of the amount of light.
  • FIG. 8 is a cross-sectional view taken along line A-A in FIG. 5, and shows the structure around the sensor FPC 73, the stick detection sensor 12, and the stick guide 31 (housing section 140C).
  • the sensor FPC 73 is a flexible member, and is arranged around the housing section 140C.
  • the stick detection sensor 12 is provided on the sensor FPC 73. This makes it easier to arrange the stick detection sensor 12 around the housing section 140C, compared to when the stick detection sensor 12 is provided on the rigid main board 50. This allows greater freedom in terms of arrangement, and thus makes it possible to miniaturize the suction device 100.
  • the stick detection sensor 12 is positioned at a predetermined distance from the stick guide 31 to reduce the effect of heat from the stick guide 31 (housing section 140C).
  • a light-transmitting filter 311 is provided on a portion of the wall section that divides the housing section 140C in the stick guide 31, and the sensor FPC 73 is positioned around the housing section 140C so that the stick detection sensor 12 faces the light-transmitting filter 311 at a predetermined distance.
  • the portions of the stick guide 31 where the light-transmitting filter 311 is not provided are configured to be non-light-transmitting.
  • the stick detection sensor 12 irradiates light to the storage section 140C through the transmission filter 311 and receives the reflected light.
  • the storage section 140C hereinafter also referred to as the storage state
  • the light irradiated from the stick detection sensor 12 is reflected by the surface of the stick-shaped substrate 150 immediately after passing through the transmission filter 311.
  • the stick detection sensor 12 receives the reflected light reflected by the surface of the stick-shaped substrate 150.
  • the light irradiated from the stick detection sensor 12 passes through the transmission filter 311, travels inside the storage section 140C, and is reflected by the inner wall of the storage section 140C.
  • the stick detection sensor 12 receives the reflected light reflected by the inner wall of the storage section 140C.
  • the MCU 1 Based on this difference in brightness between the housed state and the unhoused state, the MCU 1 detects the stick-shaped substrate 150. Specifically, as shown in FIG. 10, the MCU 1 detects the stick-shaped substrate 150 when the brightness of the reflected light detected by the stick detection sensor 12 is equal to or greater than a predetermined value L1. On the other hand, the MCU 1 does not detect the stick-shaped substrate 150 when the brightness of the reflected light detected by the stick detection sensor 12 is less than the predetermined value L1.
  • two stick detection sensors 12 and two transmission filters 311 are provided.
  • the MCU 1 can be configured not to detect the stick-shaped substrate 150 unless the detection results of both stick detection sensors 12 indicate that the stick-shaped substrate 150 is housed.
  • Heating unit, heater temperature sensor Next, the heating unit 121C and the heater temperature sensor 15 will be described with reference to FIGS.
  • the heating section 121C is a film heater, and is wound around the outer circumference of the cylindrical housing section 140C.
  • FIG. 11 shows an exploded view of the heating section 121C, which is a film heater.
  • the heating section 121C is composed of a pair of film-like electrical insulating layers 321 and a conductive layer 322 disposed between the pair of electrical insulating layers 321.
  • the electrical insulating layer 321 is desirably made of a material with excellent electrical insulation properties, such as polyimide.
  • the conductive layer 322 is made of a metal material, such as copper foil.
  • a conductive track 322a is formed on the conductive layer 322.
  • the conductive track 322a is formed by etching the conductive layer 322 while leaving necessary portions.
  • the conductive track 322a is formed in a serpentine pattern consisting of multiple straight line portions extending in parallel and multiple arc portions connecting adjacent straight line portions. Both ends of the conductive track 322a are electrically connected to the board connection portion 121a, and are connected to the main board 50 via the board connection portion 121a (see FIG. 7). With this connection, power is supplied to the conductive track 322a from the power supply unit 111C via the main board 50 and the board connection portion 121a. When a current flows through the conductive track 322a, the heating unit 121C generates heat.
  • a temperature sensor FPC 33 is provided on the surface of the heating section 121C, and a heater temperature sensor 15 (e.g., a thermistor) is mounted on the temperature sensor FPC 33.
  • the temperature sensor FPC 33 is provided on the heating section 121C by, for example, bonding (thermocompression bonding or ultrasonic thermocompression bonding) or printing directly on the heating section 121C. As shown in FIG. 7, the temperature sensor FPC 33 is disposed between the heating section 121C and the insulating section 144C in a direction perpendicular to the insertion/removal direction of the stick-shaped substrate 150.
  • the temperature sensor FPC 33 is composed of a pair of film-like electrical insulating layers 331 and a conductive layer 332 disposed between the pair of electrical insulating layers 331.
  • the heater temperature sensor 15 is mounted on a conductive track 332a formed on the conductive layer 332.
  • the heater temperature sensor 15 is electrically connected to the main board 50 via the conductive track 332a, the lead wire 15a connected to the conductive track 332a, and the sensor FPC 73 (see Figures 6 and 7).
  • the MCU 1 applies current to the conductive track 332a when the shutter 23 is opened, for example, and acquires (calculates) the temperature of the heating section 121C based on the detected resistance value of the thermistor.
  • the suction device 100 is activated, for example, when the shutter 23 is opened.
  • the MCU 1 is activated when the shutter detection sensor 11 detects that the shutter 23 is opened.
  • the operation of the heating unit 121C and the like become possible.
  • the shutter detection sensor 11 is composed of, for example, a magnet provided on the shutter 23 and a Hall IC (Integrated Circuit) provided on the upper end of the main board 50.
  • the MCU 1 may be activated in response to pressing of the operation unit 24.
  • the stick detection sensor 12 In response to the shutter 23 being in the open state, the stick detection sensor 12 starts emitting and receiving light, and detects the amount of reflected light.
  • the MCU 1 detects the stick-shaped substrate 150 based on the detection result of the stick detection sensor 12, and then automatically starts heating the stick-shaped substrate 150.
  • the MCU 1 may start heating the stick-shaped substrate 150 in response to a heating request from the user.
  • a heating request from the user is, for example, pressing the operation unit 24 or a suction operation on the suction device 100.
  • the MCU1 operates the heating unit 121C based on a stick heating profile for heating the stick-shaped substrate 150.
  • the stick heating profile is information that specifies the time series transition of a target temperature, which is a target value for the temperature of the heating unit 121C, and is information for heating the stick-shaped substrate 150.
  • the stick heating profile is stored in advance in, for example, a ROM.
  • the MCU1 generates an aerosol from the stick-shaped substrate 150 by controlling the temperature of the heating unit 121C based on the stick heating profile.
  • the solid line in FIG. 12 shows an example of a stick heating profile.
  • the temperature of the heating unit 121C is raised to T1 (approximately 300°C) when heating starts, then it is lowered to T2, and then it is raised again to T3.
  • the target temperatures T1 to T3 of the stick heating profile are temperatures included in the first temperature region where aerosols are generated, that is, the region above the temperature T0 (approximately 230°C to 250°C) where aerosols begin to be generated.
  • T0 approximately 230°C to 250°C
  • the heating period before inhalation is possible is also called the pre-heating period.
  • the MCU1 controls the temperature of the heating section 121C based on the deviation between a target temperature corresponding to the time elapsed since the start of heating control and the actual temperature of the heating section 121C (hereinafter also referred to as the "actual temperature"). More specifically, at this time, the MCU1 controls the temperature of the heating section 121C so that the time series progression of the actual temperature of the heating section 121C becomes similar to the time series progression of the target temperature defined in the heating profile for sticks. Note that the heating control of the storage section 140C based on the pre-heating heating profile described below is also performed in a similar manner.
  • the stick heating profile is typically designed to optimize the flavor experienced by the user when the user inhales the aerosol generated from the stick-shaped substrate 150. Therefore, by controlling the temperature of the heating section 121C based on the stick heating profile, the flavor experienced by the user can be optimized, providing the user with a high-quality smoking experience.
  • the suction device 100 When the suction device 100 is used in a low-temperature environment, the difference between the temperature of the heating unit 121C at the start of heating and the first temperature region where aerosol is generated is large, so it takes longer for the heating unit 121C to heat up compared to when the device is used in a non-low-temperature environment. Therefore, if the operation of the heating unit 121C is started after or at the same time as the stick-shaped substrate 150 is accommodated in the accommodation unit 140C, in a low-temperature environment, the user will have to wait a long time from when the stick-shaped substrate 150 is accommodated until the aerosol can be inhaled.
  • the MCU1 starts the operation (i.e., preheating) of the heating unit 121C before the stick-shaped substrate 150 is accommodated in the accommodation unit 140C.
  • the predetermined temperature is, for example, 0°C.
  • the difference between the temperature of the heating section 121C at the time when the stick-shaped substrate 150 is accommodated in the accommodation section 140C and the first temperature region in which the aerosol is generated becomes smaller than when preheating is not performed. Therefore, particularly in a low-temperature environment, the user's waiting time from accommodation of the stick-shaped substrate 150 until inhalation of the aerosol is shortened, improving the convenience of using the inhalation device 100.
  • the MCU1 sets the target temperature of the heating unit 121C to a temperature within a second temperature range (e.g., 50-100°C) that is lower than the first temperature range in which aerosol is generated, and starts the operation of the heating unit 121C.
  • the second temperature range is a range below temperature T0 at which aerosol begins to be generated. This makes it possible to prevent excessive heating of the storage unit 140C before the stick-shaped substrate 150 is stored in the storage unit 140C.
  • the temperature set when preheating is not limited to 50°C-100°C, and may be any temperature higher than a predetermined temperature (e.g., 0°C) used to determine the temperature of the heating unit 121C.
  • the MCU1 operates the heating unit 121C by setting the target temperature of the heating unit 121C to a temperature within the first temperature range in which aerosol is generated in response to the stick-shaped substrate 150 being accommodated in the accommodation unit 140C. This allows the heating unit 121C to be rapidly heated to a temperature within the first temperature range in which aerosol is generated in response to the stick-shaped substrate 150 being accommodated in the accommodation unit 140C.
  • the MCU1 sets the target temperature to a temperature within the first temperature range where aerosol is generated in response to the stick-shaped substrate 150 being accommodated in the accommodation unit 140C, and starts the operation of the heating unit 121C.
  • the MCU1 does not operate the heating unit 121C before the stick-shaped substrate 150 is accommodated in the accommodation unit 140C (i.e., does not perform preheating).
  • the temperature of the heating unit 121C is equal to or higher than the predetermined temperature, the user's waiting time from the accommodation of the stick-shaped substrate 150 until the aerosol can be inhaled is relatively short. Therefore, preheating is not necessary, and power consumption can be reduced compared to when preheating is performed.
  • the comparison of the temperature of the heating unit 121C with the predetermined temperature which is a condition for whether or not to perform preheating, is performed, for example, when the shutter 23 is opened. That is, when the shutter 23 is opened from the closed state, the MCU 1 determines whether or not the temperature of the heating unit 121C is below the predetermined temperature.
  • the temperature of the heating unit 121C is detected, for example, by the heater temperature sensor 15 described above.
  • the MCU 1 determines that the temperature of the heating unit 121C is below the predetermined temperature, it starts the operation of the heating unit 121C before the stick-type substrate 150 is accommodated in the accommodation unit 140C.
  • preheating can be performed with the opening of the shutter 23, which is one of the indications of the user's intention to use the suction device 100, as a trigger.
  • unnecessary preheating can be reduced compared to the case where preheating is performed only when the temperature of the heating unit 121C becomes below the predetermined temperature, and power consumption can be reduced accordingly.
  • the MCU1 determines that the temperature of the heating unit 121C is below a predetermined temperature, it starts the operation of the heating unit 121C based on the preheating heating profile before the stick-shaped substrate 150 is accommodated in the accommodation unit 140C.
  • the preheating heating profile is information that specifies the time series progression of the target temperature, which is the target value for the temperature of the heating unit 121C, and is information for preheating the accommodation unit 140C in which the stick-shaped substrate 150 is not accommodated.
  • the preheating heating profile is stored in advance in, for example, a ROM.
  • the preheating heating profile is a heating profile that is different from the stick heating profile, and has different information such as the target temperature and operation time, as described below.
  • the temperature of the heating unit 121C is raised to T4 when heating starts, and then maintained at that temperature T4.
  • the target temperature T4 of the preheating heating profile is included in the second temperature range and not included in the first temperature range.
  • the heating control based on the preheating heating profile is specified to end when the elapsed time from the start of operation of the heating unit 121C reaches t2.
  • FIG. 13 is a graph showing the time series change in the target temperature of the heating unit 121C when the stick-shaped substrate 150 is accommodated in the accommodation unit 140C while preheating is being performed.
  • the MCU1 switches the heating profile to be referenced from the preheating heating profile to the stick heating profile, and operates the heating unit 121C based on the stick heating profile.
  • the MCU1 After the MCU1 starts the operation of the heating unit 121C before the stick-shaped substrate 150 is accommodated in the accommodation unit 140C, if the stick-shaped substrate 150 is not accommodated in the accommodation unit 140C within a predetermined time, the MCU1 ends the operation of the heating unit 121C.
  • the predetermined time is the operation time t2 included in the preheating heating profile, and is, for example, 30 seconds. This prevents the accommodation unit 140C, which does not accommodate the stick-shaped substrate 150, from continuing to be heated, and also suppresses an increase in power consumption due to the operation of the heating unit 121C before the stick-shaped substrate 150 is accommodated.
  • the MCU1 detects that the temperature of the heating unit 121C exceeds a predetermined temperature threshold T5 higher than the target temperature T4 while the heating unit 121C is operating with the target temperature set to T4 before the stick-shaped substrate 150 is accommodated in the accommodation unit 140C, the MCU1 terminates the operation of the heating unit 121C. Specifically, as shown in FIG. 14, when the temperature of the heating unit 121C exceeds the predetermined temperature threshold T5 (time t3 elapsed from the start of preheating), the MCU1 determines that a malfunction such as thermal runaway has occurred due to, for example, a malfunction of the heating unit 121C.
  • the MCU1 forcibly terminates the operation of the heating unit 121C even before the end of the operation time t2 of the preheating heating profile. Note that instead of terminating the operation of the heating unit 121C, the MCU1 may reduce the amount of power supplied to the heating unit 121C.
  • the MCU 1 can detect the malfunction based on the detection result of the heater temperature sensor 15 and can deal with the malfunction appropriately.
  • the light-emitting unit 25 notifies the user that the heating unit 121C is operating. Specifically, when the heating unit 121C is operating based on the preheating heating profile before the stick-shaped substrate 150 is accommodated in the accommodation unit 140C, and when the heating unit 121C is operating based on the stick heating profile after the stick-shaped substrate 150 is accommodated in the accommodation unit 140C, the light-emitting unit 25 emits light in a predetermined light-emitting mode. For example, as shown in FIG. 13, the light-emitting unit 25 emits light in yellow during preheating, and emits light in red during heating of the stick-shaped substrate 150.
  • the light-emitting mode may be the same or different before and after the stick-shaped substrate 150 is accommodated in the accommodation unit 140C. Furthermore, the light-emitting mode may be differentiated by changing the number of emitting LEDs 251 among the multiple LEDs 251.
  • This notification allows the user to easily visually understand that the heating unit 121C is operating.
  • the user can check the light emitted by the light-emitting unit 25 and be careful not to bring his/her fingers close to the opening 27, for example.
  • the MCU 1 may detect that the temperature of the heating unit 121C has exceeded a predetermined temperature threshold T5 due to a malfunction of the heating unit 121C. At this time, the light-emitting unit 25 notifies the user by emitting light in a manner different from that during normal preheating that the operation of the heating unit 121C will be terminated or the amount of power supplied to the heating unit 121C will be reduced. For example, as shown in FIG.
  • the light-emitting unit 25 emits light in yellow, whereas when the operation of the heating unit 121C is terminated or the amount of power supplied to the heating unit 121C is reduced due to a malfunction, the light-emitting unit 25 flashes yellow at a predetermined time interval. This notification allows the user to easily visually grasp that a malfunction has occurred in the heating unit 121C (the suction device 100).
  • the notification by the notification unit 113B is not limited to light emission by the light emitting unit 25, and may be, for example, vibration by the vibration device 60.
  • the vibration device 60 may vibrate while the heating unit 121C is operating to notify the user that the heating unit 121C is operating.
  • the vibration device 60 may also vibrate in a different manner during normal pre-heating and when a malfunction occurs in the suction device 100 during pre-heating.
  • the MCU 1 determines whether the shutter 23 is open (step S101). If the shutter 23 is not open (step S101: NO), the MCU 1 repeatedly monitors step S101 until the shutter 23 is open.
  • step S102 the MCU 1 determines whether the temperature of the heating section 121C is below a predetermined temperature. Specifically, when the shutter 23 is open, the MCU 1 energizes the conductive track 332a of the temperature sensor FPC 33 and acquires the temperature of the heating section 121C based on the detected resistance value of the heater temperature sensor 15 (here, a thermistor). The MCU 1 then determines whether the temperature of the heating section 121C acquired from the heater temperature sensor 15 is below a predetermined temperature. When the shutter 23 is open, the stick detection sensor 12 also starts operating.
  • step S102 determines whether or not the temperature of the heating section 121C is equal to or higher than a predetermined temperature (step S102: NO). Specifically, the MCU1 acquires the detection result from the stick detection sensor 12 and determines whether or not the stick-shaped substrate 150 has been accommodated in the accommodation section 140C. If the stick-shaped substrate 150 has not been accommodated in the accommodation section 140C (step S103: NO), the MCU1 repeatedly monitors step S103 until the stick-shaped substrate 150 is accommodated in the accommodation section 140C.
  • step S103 When the stick-shaped substrate 150 is accommodated in the accommodation unit 140C (step S103: YES), the MCU1 operates the heating unit 121C based on the stick heating profile (step S106). This starts heating the stick-shaped substrate 150 and generates an aerosol.
  • the heating of the stick-shaped substrate 150 ends when the operating time included in the stick heating profile has elapsed or when a predetermined number of inhalations has been made since the start of heating the stick-shaped substrate 150.
  • step S102 if the temperature of the heating unit 121C is below the predetermined temperature (step S102: YES), the MCU1 starts the operation of the heating unit 121C based on the preheating heating profile (step S104).
  • the MCU1 determines whether or not the stick-shaped substrate 150 has been accommodated in the accommodation unit 140C within a predetermined time after the start of operation of the heating unit 121C (step S105).
  • step S105: YES the MCU1 operates the heating unit 121C based on the stick heating profile (step S106).
  • step S105: NO the MCU1 ends the operation of the heating unit 121C based on the pre-heating heating profile (step S107).
  • the control method of the suction device 100 described in the above embodiment can be realized by executing a prepared program on a computer (processor).
  • This program is stored in a computer-readable storage medium and is executed by reading it from the storage medium.
  • This program may be provided in a form stored in a non-transitory storage medium such as a flash memory, or may be provided via a network such as the Internet.
  • the computer that executes this program may be, for example, one included in the suction device 100 (e.g., MCU 1), but is not limited to this, and may also be one included in another device that can communicate with the suction device 100 (e.g., a smartphone or a server device).
  • the MCU 1 obtains the temperature of the heating unit 121C based on the detection result of the heater temperature sensor 15, but this is not limited to the above.
  • the MCU 1 may temporarily energize the heating unit 121C and obtain the temperature of the heating unit 121C based on the detected resistance value of the heating unit 121C.
  • the MCU 1 can obtain the temperature of the heating unit 121C based on the resistance value of the heating unit 121C, so there is no need to provide the heater temperature sensor 15.
  • the MCU 1 operates the heating unit 121C based on a stick heating profile and a preheating heating profile, but this is not limited to this.
  • the MCU 1 may operate the heating unit 121C based on information that is not a time series progression (for example, information that does not include time information and specifies only the target temperature of the heating unit 121C) rather than a heating profile, which is information that specifies the time series progression of the target temperature.
  • the heater temperature sensor 15 is provided in the heating unit 121C, so that the MCU1 can detect whether or not a malfunction such as thermal runaway has occurred in the heating unit 121C based on the detection result of the heater temperature sensor 15. Similarly, the MCU1 may detect whether or not a malfunction (unexpected heat generation, etc.) has occurred in the power supply unit 111C based on the detection result of the power supply temperature sensor 16. When the MCU1 detects a malfunction in the power supply unit 111C, it stops the power supply from the power supply unit 111C to each device or reduces the amount of power supply.
  • a temperature sensor may be provided in the main board 50, and the MCU1 may detect whether or not a malfunction (unexpected heat generation, etc.) has occurred in the main board 50 based on the detection result of the temperature sensor.
  • the MCU1 detects a malfunction in the main board 50, it imposes restrictions on some of the functions of the electronic components mounted on the main board 50.
  • a notification unit such as the light emitting unit 25 or the vibration device 60 detects these malfunctions, it may notify the user of the malfunction in a predetermined notification manner.
  • an optical sensor is shown as an example of the stick detection sensor 12, but this is not limiting.
  • the stick detection sensor 12 may be a pressure sensor that detects pressure fluctuations in the storage section 140C associated with the insertion and removal of the stick-shaped substrate 150.
  • the MCU1 detects the stick-shaped substrate 150 based on the pressure fluctuations detected by the pressure sensor.
  • the stick detection sensor 12 may be an identification information reader capable of reading the identification information of the stick-shaped substrate 150. In this case, the MCU1 detects the stick-shaped substrate 150 based on the reading result by the identification information reader.
  • the stick detection sensor 12 may be a mechanical switch provided near the storage section 140C (for example, the bottom surface of the storage section 140C) and pressed by the stick-shaped substrate 150.
  • the MCU1 detects the stick-shaped substrate 150 when the switch is pressed.
  • the MCU 1 may detect the stick-shaped substrate 150 based on a change in the characteristics of the circuit of the suction device 100 (e.g., a change in inductance) caused by the insertion of the stick-shaped substrate 150.
  • An inhalation device (inhalation device 100, 100A, 100B) that generates an aerosol from a substrate (stick-type substrate 150) having an aerosol source, A storage section (storage section 140, 140C) in which the base material is stored; a heating section (heating sections 121A to 121C) capable of heating the base material accommodated in the accommodation section; A control unit (MCU1, control units 116A, 116B) for controlling the heating unit, When the temperature of the heating unit is lower than a predetermined temperature, the control unit starts the operation of the heating unit before the base material is accommodated in the accommodation unit. Suction device.
  • the operation of the heating unit is started before the substrate is accommodated in the accommodation unit. This shortens the waiting time for the user from when the substrate is accommodated until the aerosol can be inhaled, particularly in a low-temperature environment, improving the convenience of using the suction device.
  • the control unit sets a target temperature of the heating unit to a temperature (temperature T4) within a second temperature range lower than a first temperature range in which the aerosol is generated, and starts an operation of the heating unit before the substrate is accommodated in the accommodation unit.
  • a target temperature of the heating unit to a temperature (temperature T4) within a second temperature range lower than a first temperature range in which the aerosol is generated, and starts an operation of the heating unit before the substrate is accommodated in the accommodation unit.
  • the target temperature of the heating section is set to a temperature within a second temperature range that is lower than the first temperature range in which the aerosol is generated, so that excessive heating of the storage section before the substrate is stored in the storage section can be prevented.
  • the heating section can be heated to a temperature at which an aerosol is generated as soon as the substrate is placed in the storage section.
  • the user's waiting time from when the substrate is accommodated in the accommodation unit until the aerosol can be inhaled is relatively short, so that the heating unit does not need to be operated before the substrate is accommodated in the accommodation unit, thereby reducing power consumption.
  • the suction device controls the heating unit based on heating information that defines a time series transition of a target temperature of the heating unit;
  • the heating information includes at least first heating information (a stick heating profile) in which the target temperature is included in the first temperature range, and second heating information (a pre-heating heating profile) in which the target temperature is included in the second temperature range but not included in the first temperature range,
  • the control unit is When the temperature of the heating unit is equal to or higher than the predetermined temperature, in response to the substrate being accommodated in the accommodation unit, an operation of the heating unit is started based on the first heating information; when the temperature of the heating unit is lower than the predetermined temperature, starting operation of the heating unit based on the second heating information before the substrate is accommodated in the accommodation unit, and operating the heating unit based on the first heating information in response to the substrate being accommodated in the accommodation unit.
  • Suction device When the temperature of the heating unit is lower than the predetermined temperature, starting operation of the heating unit based on the second heating information before the substrate is accommodated in the accommodation unit
  • the heating unit is operated based on appropriate heating information depending on the situation, so more appropriate heating control can be performed.
  • the suction device according to any one of (1) to (5), The apparatus further includes a shutter (shutter 23) that can selectively switch between a closed state in which the opening (opening 27) of the storage section is closed and an open state in which the opening is opened to allow the insertion and removal of the base material,
  • the control unit is determining whether or not the temperature of the heating unit is less than the predetermined temperature when the shutter changes from the closed state to the open state; when it is determined that the temperature of the heating unit is lower than the predetermined temperature, starting the operation of the heating unit before the substrate is accommodated in the accommodation unit; Suction device.
  • preheating can be triggered by the opening of the shutter, which is one of the indications of the user's intention to use the suction device. This makes it possible to reduce unnecessary preheating compared to when preheating is triggered only by the temperature of the heating section falling below a predetermined temperature, thereby reducing power consumption.
  • the suction device according to any one of (1) to (6), The control unit starts the operation of the heating unit before the base material is accommodated in the accommodation unit, and then ends the operation of the heating unit when the base material is not accommodated within a predetermined time. Suction device.
  • the operation of the heating unit can be terminated without continuing, or the amount of power supplied to the heating unit can be reduced.
  • the heating device further includes a notification unit (light-emitting unit 25, vibration device 60) that notifies a user that the heating unit is operating.
  • a notification unit light-emitting unit 25, vibration device 60
  • the notification unit notifying the user in a first notification manner that the heating unit is operating;
  • the control unit detects that the temperature of the heating unit has exceeded the predetermined temperature threshold, the control unit notifies the user in a second notification manner different from the first notification manner that the operation of the heating unit will be terminated or that the amount of power supplied to the heating unit will be reduced.
  • the heating unit further includes a temperature detector (heater temperature sensor 15) for detecting the temperature of the heating unit.
  • the heating section is a film heater wound around an outer periphery of the housing section,
  • the temperature detection unit is mounted on a flexible wiring board (temperature sensor FPC 33) provided on the surface of the film heater. Suction device.
  • the heating section is a film heater and the temperature detection section is mounted on a flexible wiring board, making it possible to realize a smaller, lighter, and thinner structure in the vicinity of the heating section.
  • the suction device is a heating element that generates heat when electricity is applied,
  • the control unit acquires the temperature of the heating unit based on a resistance value of the heating unit that changes depending on the temperature. Suction device.
  • the temperature of the heating part can be obtained based on the resistance value of the heating part, it is not necessary to provide a temperature detection part for detecting the temperature of the heating part.
  • the suction device according to any one of (1) to (11),
  • the heating device further includes a notification unit (light-emitting unit 25, vibration device 60) that notifies a user that the heating unit is operating.
  • a notification unit light-emitting unit 25, vibration device 60
  • the notification unit notifies the user that the heating unit is operating.
  • the user can easily visually know that the heating unit is operating.
  • a control method executed by a computer (MCU1, control units 116A and 116B) that controls the operation of an inhalation device (inhalation device 100, 100A, and 100B) that generates an aerosol from a substrate (stick-type substrate 150) having an aerosol source, comprising:
  • the suction device is A storage section (storage section 140, 140C) in which the base material is stored; a heating section (heating sections 121A to 121C) capable of heating the base material accommodated in the accommodation section, When the temperature of the heating section is lower than a predetermined temperature, the computer starts the operation of the heating section before the substrate is accommodated in the accommodation section. Control methods.
  • the operation of the heating unit is started before the substrate is accommodated in the accommodation unit. This shortens the waiting time for the user from accommodation of the substrate to being able to inhale the aerosol, particularly in a low-temperature environment, improving the convenience of using the suction device.
  • the suction device is A storage section (storage section 140, 140C) in which the base material is stored; a heating section (heating sections 121A to 121C) capable of heating the base material accommodated in the accommodation section, causing the computer to execute a process of starting an operation of the heating unit before the substrate is accommodated in the accommodation unit when the temperature of the heating unit is lower than a predetermined temperature; program.
  • the operation of the heating unit is started before the substrate is accommodated in the accommodation unit. This shortens the waiting time for the user from when the substrate is accommodated until the aerosol can be inhaled, particularly in a low-temperature environment, thereby improving the convenience of using the suction device.

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Un dispositif d'inhalation (100) qui génère un aérosol à partir d'un substrat de type bâton (150) qui présente une source d'aérosol comprend une partie de logement (140C) qui loge le substrat de type bâton (150), un dispositif de chauffage (121C) qui peut chauffer le substrat de type bâton (150) tel que logé dans la partie de logement (140C), et une MCU (1) qui commande le dispositif de chauffage (121C). Lorsque la température du dispositif de chauffage (121C) est inférieure à une température prescrite, la MCU (1) commence le fonctionnement du dispositif de chauffage (121C) avant que le substrat de type bâton (150) ne soit logé dans la partie de logement (140C).
PCT/JP2022/046467 2022-12-16 2022-12-16 Dispositif d'inhalation, procédé de commande et programme WO2024127649A1 (fr)

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CN108783602A (zh) * 2018-06-27 2018-11-13 威滔电子科技（深圳）有限公司 控制气溶胶产生装置产生气溶胶的方法及装置
JP2020054264A (ja) * 2018-10-01 2020-04-09 日本電産コパル株式会社 タバコ加熱装置
JP2020521438A (ja) * 2017-05-26 2020-07-27 ケーティー・アンド・ジー・コーポレーション シガレット挿入感知機能を有するエアロゾル生成装置及びその方法
JP2021509259A (ja) * 2018-11-12 2021-03-25 ケイティー アンド ジー コーポレイション エアロゾル生成装置及びそれを制御する方法
JP2021515562A (ja) * 2018-11-23 2021-06-24 ケーティー・アンド・ジー・コーポレーション シガレット及びシガレット用のエアロゾル生成装置
JP2022173896A (ja) * 2021-05-10 2022-11-22 Ｆｕｔｕｒｅ Ｔｅｃｈｎｏｌｏｇｙ株式会社 加熱式喫煙装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020521438A (ja) * 2017-05-26 2020-07-27 ケーティー・アンド・ジー・コーポレーション シガレット挿入感知機能を有するエアロゾル生成装置及びその方法
CN108783602A (zh) * 2018-06-27 2018-11-13 威滔电子科技（深圳）有限公司 控制气溶胶产生装置产生气溶胶的方法及装置
JP2020054264A (ja) * 2018-10-01 2020-04-09 日本電産コパル株式会社 タバコ加熱装置
JP2021509259A (ja) * 2018-11-12 2021-03-25 ケイティー アンド ジー コーポレイション エアロゾル生成装置及びそれを制御する方法
JP2021515562A (ja) * 2018-11-23 2021-06-24 ケーティー・アンド・ジー・コーポレーション シガレット及びシガレット用のエアロゾル生成装置
JP2022173896A (ja) * 2021-05-10 2022-11-22 Ｆｕｔｕｒｅ Ｔｅｃｈｎｏｌｏｇｙ株式会社 加熱式喫煙装置

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