WO2023021546A1 - Dispositif de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol Download PDF

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Publication number
WO2023021546A1
WO2023021546A1 PCT/JP2021/029883 JP2021029883W WO2023021546A1 WO 2023021546 A1 WO2023021546 A1 WO 2023021546A1 JP 2021029883 W JP2021029883 W JP 2021029883W WO 2023021546 A1 WO2023021546 A1 WO 2023021546A1
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WIPO (PCT)
Prior art keywords
heating
aerosol
aerosol source
unit
control unit
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PCT/JP2021/029883
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English (en)
Japanese (ja)
Inventor
宏和 石井
創 藤田
真弓 牧山
Original Assignee
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/JP2021/029883 priority Critical patent/WO2023021546A1/fr
Publication of WO2023021546A1 publication Critical patent/WO2023021546A1/fr

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    • 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
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control

Definitions

  • the present invention relates to an aerosol generator.
  • An aerosol generator generates an aerosol by heating an aerosol source containing perfume or the like.
  • aerosol sources There are two types of aerosol sources: liquids and solids. In the former case, a heater heats an aerosol source induced in a glass fiber called a wick to generate aerosol. In the latter case, an aerosol source filled in a cylindrical stick is heated with a heater or the like to generate an aerosol.
  • Patent Literature 1 describes an aerosol generator that heats an aerosol source in a stick.
  • the aerosol generator has a prescribed number of times of suction and a prescribed heating time, and adopts a mechanism in which the generation of aerosol is stopped when either of them reaches the upper limit. In this case, replacement of the aerosol source is required. By the way, it is not always possible to inhale the aerosol for the maximum number of times within the predetermined heating time. For example, when conversing with others, the heating time may pass without inhaling the aerosol. In addition, there may be a situation in which aerosol inhalation must be interrupted for some reason, such as when a home delivery service arrives or a vehicle arrives immediately after starting aerosol inhalation. Even in this case, the aerosol source continues to be consumed as the current product is basically kept in a heated state.
  • the present invention provides a technology that exceptionally allows reheating of the aerosol source when predetermined conditions are met.
  • the invention according to claim 1 has a heating unit for heating an aerosol source, a control unit for controlling power supply to the heating unit, and an input unit operated by a user, wherein the control unit
  • the heating of the aerosol source is stopped before the first time elapses from when the heating unit starts to stop heating the aerosol source, or before the number of suctions exceeds the first number of times.
  • it is determined whether or not the aerosol source whose heating has been stopped has an amount of aerosol that can generate inhalable aerosol. If it is determined that reheating input from the input unit is allowed, and if it is determined that there is no remaining aerosol source in an amount that can generate inhalable aerosol, reheating input from the input unit is performed. Unacceptable, aerosol generating device.
  • control unit when the control unit determines that there is no remaining aerosol source in an amount that can generate inhalable aerosol, it notifies that replacement of the aerosol source is requested. 3.
  • the aerosol generator according to .
  • control unit when the control unit determines that there is no remaining aerosol source in an amount capable of generating an inhalable aerosol, and receives an input of reheating from the input unit, 3.
  • the control unit determines whether the time from when the heating of the aerosol source is started until when it is stopped is less than a predetermined second time. 2.
  • the invention according to claim 7 is the aerosol generator according to claim 1, wherein the control unit applies a heating profile for reheating when reheating the aerosol source.
  • the invention according to claim 8 is characterized in that, as the heating profile for reheating, the control unit applies a heating profile scheduled at a point in time when a third time has passed since the point at which heating was interrupted. 3.
  • the invention according to claim 9 is the aerosol generator according to claim 1, wherein when the aerosol source is reheated, the control unit notifies the time or number of times that the aerosol source can be sucked after reheating.
  • the invention according to claim 10 is the aerosol generator according to any one of claims 1 to 9, wherein the heating unit heats the aerosol source from the outer circumference.
  • the invention according to claim 11 is the aerosol generator according to any one of claims 1 to 9, wherein the heating unit heats the aerosol source from the inside.
  • the first aspect of the invention it is possible to provide a technique for exceptionally allowing reheating of the aerosol source when a predetermined condition is satisfied.
  • the second aspect of the invention it is possible to notify the user that reheating is not permitted.
  • the third aspect of the invention it is possible to notify the user that reheating is not permitted.
  • it can be determined that an aerosol source with a small number of suctions can be reheated.
  • it can be determined that an aerosol source with little deterioration can be reheated.
  • aerosol can be stably generated even after reheating.
  • aerosol can be stably generated even after reheating.
  • a user's convenience can be improved.
  • FIG. 1 is a diagram schematically showing a configuration example of an aerosol generating device assumed in Embodiment 1;
  • FIG. 4 is a flow chart illustrating an example of heating control of the stick-shaped substrate BM by the aerosol generating device assumed in Embodiment 1.
  • FIG. 10 is a flow chart illustrating an example of heating control of the stick-shaped base material BM by the aerosol generating device assumed in Embodiment 2.
  • FIG. 10 is a diagram schematically showing a configuration example of an aerosol generating device assumed in Embodiment 3;
  • FIG. 10 is a diagram schematically showing a configuration example of an aerosol generating device assumed in Embodiment 4;
  • the aerosol generating device described in the present embodiment is a device of a type in which a stick-shaped substrate including an aerosol source (hereinafter referred to as "stick-shaped substrate” or “stick”) is attached to the device main body.
  • This type of aerosol generator generates an aerosol by heating an aerosol source filled in a stick-shaped substrate.
  • An example of the aerosol generator 1 assumed in the present embodiment will be described below with reference to FIG.
  • FIG. 1 is a diagram schematically showing a configuration example of an aerosol generating device 1 assumed in Embodiment 1.
  • the aerosol generating device 1 shown in FIG. 1 includes a power supply section 11, a sensor section 12, a notification section 13, a storage section 14, a communication section 15, a control section 16, a heating section 17, a holding section 18, and a heat insulation section 19.
  • BM Base Material
  • the power supply unit 11 is a device that stores power necessary for operation.
  • the power supply unit 11 supplies electric power to each unit constituting the aerosol generation device 1 through control by the control unit 16 .
  • a rechargeable battery such as a lithium-ion secondary battery is used for the power supply unit 11 .
  • wireless power transmission technology may be used to wirelessly charge the power supply unit 11 from the outside.
  • the power supply unit 11 is not limited to the rechargeable type. If the power supply unit 11 is detachable from the device main body, the old power supply unit 11 may be replaced with a new power supply unit 11 .
  • the sensor unit 12 is composed of a sensor device that detects various kinds of information of the aerosol generator 1 .
  • the detected information is notified to the control unit 16 and used to control each unit.
  • the sensor device includes, for example, a flow rate sensor, a pressure sensor, and a temperature sensor.
  • the flow rate sensor detects the flow rate of gas that flows due to, for example, inhalation of aerosol by a user.
  • the value of the detected flow rate is notified from the flow rate sensor to the controller 16 .
  • the control unit 16 can detect the number of times of suction within one cycle (from the start of consumption of one aerosol source to the end of consumption), the elapsed time from the end of the previous suction, etc., based on the change in the flow rate.
  • the pressure sensor is, for example, a microphone capacitor, and is provided on a button, switch, or the like operated by the user.
  • a pressure sensor is used to detect input of information by a user and the like.
  • Input of information by the user includes, for example, button operation or switch operation for instructing start or stop of aerosol generation.
  • the button operation or the like for instructing the start or stop of aerosol generation includes, for example, a long press of the power button while the stick-shaped base material BM is attached. However, it is also possible to detect mounting of the stick-type base material BM as an operation by the user to start generating aerosol. Input of the detected information is notified from the pressure sensor to the control unit 16 .
  • Various buttons, switches, and the like are examples of the input section used by the user.
  • the temperature sensor detects the temperature of the heating section 17, for example.
  • the temperature sensor senses the temperature, for example, based on the electrical resistance of the conductive tracks of the heating section 17 .
  • the temperature sensor may detect the temperature of the stick-shaped base material BM based on the temperature of the heating unit 17 .
  • the detected temperature is notified to the control unit 16 from the temperature sensor.
  • the notification unit 13 is used to notify the user of information.
  • the notification unit 13 indicates that the power supply unit 11 needs to be charged, that the power supply unit 11 is being charged, that preparations for aerosol inhalation are complete, that the aerosol can be inhaled is short, and that the aerosol can be inhaled. It is used for notification such as that the number of times remaining is low.
  • a display device such as a display
  • a sound output device such as a speaker
  • a vibration device such as a vibrator
  • the light emission of the light emitting device is controlled in a pattern corresponding to information to be notified, for example.
  • the light emission pattern is a concept including color, timing of lighting and extinguishing, and the like.
  • the display device displays information to be notified by characters, colors, symbols, images, and the like.
  • the sound output device outputs information to be notified by voice or sound, and the vibration device generates vibration according to the information to be notified.
  • BIOS Basic Input Output System
  • the storage unit 14 also stores a heating profile, the number of times of suction in one cycle, the time of suction, the accumulated time of suction, the elapsed time from the end of the previous suction, and the like.
  • the communication unit 15 is used for the purpose of displaying information on suction on an external device such as a smartphone. In addition, the communication unit 15 is also used for updating programs and the like stored in the storage unit 14 .
  • the control unit 16 is a device that functions as a processing device and a control device, and controls the general operations within the aerosol generation device 1 through the execution of various programs.
  • control unit 16 supplies power to each unit from the power supply unit 11, charges the power supply unit 11, inputs information from the sensor unit 12, notifies information by the notification unit 13, stores and reads information by the storage unit 14, 15 controls the transmission and reception of information.
  • control unit 16 outputs information to each unit, performs processing based on information input from each unit, determines whether to suspend suction, and determines the amount of the aerosol source remaining in the stick-shaped base material BM when reheating is requested. Perform calculations, etc.
  • the stick-shaped base material BM is heated is shorter than a predetermined threshold (eg, 30 seconds), if the remaining time of the heating profile is longer than the threshold (eg, 30 seconds), the stick-shaped base material
  • a predetermined threshold eg, 30 seconds
  • the remaining time of the heating profile is longer than the threshold (eg, 30 seconds)
  • the stick-shaped base material When the number of BM suctions is a predetermined number (for example, 12 times) or less, and when the remaining number of times up to the maximum number of suctions (for example, 14 times) is greater than a threshold value (for example, 2 times), the heating unit 17 was measured. If the maximum temperature is less than the maximum temperature on the heating profile, it is determined that the aerosol source remains on the stick-type substrate BM.
  • the threshold value for example, 30 seconds
  • the heating profile and the number of times that aerosol can be inhaled are determined on the assumption of a standard user's aerosol inhalation behavior. For example, if one suction time is 2 seconds and the non-suction time before and after one suction is 30 seconds, if suction is not detected for more than about 62 seconds, it is determined that suction has been interrupted. to adopt.
  • the control unit 16 determines that the aerosol inhalation has been interrupted.
  • the holding portion 18 has a substantially cylindrical shape and is hollow inside. This cavity is called internal space 18A.
  • the internal space 18A has approximately the same diameter as the stick-shaped base material BM.
  • the stick-shaped base material BM inserted from the opening 18B is held by the holding part 18 with its tip part in contact with the inner wall of the internal space 18A.
  • the holding portion 18 has an inner diameter smaller than the outer diameter of the stick-shaped base material BM at least partly in the height direction of the substantially cylindrical shape. For this reason, the outer periphery of the stick-shaped base material BM inserted into the internal space 18A is pressed by part of the inner wall of the holding section 18 . A portion of the stick-type base material BM is held in the internal space 18A by this compression.
  • the holding portion 18 has a bottom portion 18C on the opposite side of the opening 18B.
  • the bottom portion 18C is connected to an air flow path (not shown).
  • the bottom portion 18C functions as an air inflow hole, and the inflowing air passes through the opening 18B and the inside of the stick-shaped base material BM and flows out to the outside.
  • the stick-type base material BM is composed of a base material portion BM1 and a mouthpiece portion BM2.
  • the base member BM1 holds an aerosol source.
  • an aerosol source is a substance that is atomized by heating to produce an aerosol.
  • the aerosol source held by the base member BM1 includes tobacco-derived substances, such as cut tobacco or tobacco raw material processed into granules, sheets, or powder.
  • the aerosol source may also be or include non-tobacco-derived substances made from plants other than tobacco (eg, mints and herbs).
  • the aerosol source may contain a perfume ingredient such as menthol.
  • the aerosol source of the stick-type substrate BM may contain a drug for patient inhalation.
  • the mouthpiece BM2 is a part held by the user when inhaling. At least part of the mouthpiece BM2 protrudes from the opening 18B when the stick-shaped base material BM is held by the holding part 18. As shown in FIG.
  • the heating unit 17 is a member that heats the aerosol source contained in the stick-shaped base material BM to atomize the aerosol source and generate an aerosol.
  • the heating unit 17 is made of any material such as metal or polyimide.
  • the heating portion 17 is configured in a film shape and arranged so as to cover the outer periphery of the holding portion 18 .
  • the heating unit 17 in the present embodiment has, for example, resistance heating.
  • the heating part 17 corresponding to resistance heating is an example of a heater.
  • the heating unit 17 generates heat by power supply from the power supply unit 11 .
  • power supply to the heating unit 17 is started, and aerosol generation is started.
  • a system may be adopted in which the control unit 16 automatically starts supplying power to the heating unit 17 when it detects that the stick-shaped base material BM has been inserted into the opening 18B.
  • the heating of the stick-shaped substrate BM by the heating unit 17 is performed based on a predetermined heating profile.
  • the heating profile defines the time change of the temperature of the heating unit 17 after the start of heating.
  • the control unit 16 stops power supply to the heating unit 17 even if the time determined by the heating profile remains. In addition, the control unit 16 also stops power supply to the heating unit 17 when it is determined that the suction is interrupted and that the aerosol source remains in the stick-shaped base material BM.
  • the heat insulating part 19 is a member that prevents heat transfer from the heating part 17 to other elements in the aerosol generating device 1 .
  • the heat insulating part 19 is arranged so as to cover at least the outer periphery of the heating part 17 .
  • the heat insulating part 19 is made of a vacuum heat insulating material, an airgel heat insulating material, or the like.
  • a vacuum heat insulating material is a member in which, for example, glass wool, silica (powder of silicon) or the like is wrapped in a resin film to create a high-vacuum state, thereby reducing heat conduction through gas to as close to zero as possible.
  • FIG. 2 is a flowchart illustrating an example of heating control of the stick-shaped base material BM by the aerosol generator 1 (see FIG. 1).
  • the control unit 16 determines whether or not an event to start heating of the heating unit 17 (see FIG. 1) (hereinafter also referred to as “heating start event”) has been detected (step 11).
  • the event here is, for example, a long press of the power button while the stick-type base material BM (see FIG. 1) is inserted into the holding portion 18 (see FIG. 1).
  • the power button is arranged, for example, on the upper surface of the main body along with the opening 18B. Also, the long press of the power button is, for example, two seconds or longer.
  • the opening 18B is fitted with an opening/closing type lid
  • a long press of the power button with the lid open may be used as the heating start event.
  • the lid may, for example, be slidable along the top surface of the body.
  • the lid is also an example of an input unit that receives user input.
  • the lid is used for the purpose of preventing foreign matter from entering the opening 18B when suction is not performed. Further, the opening of the lid may be used as the heating start event, and the insertion of the stick-shaped base material BM into the holding portion 18 may be used as the heating start event.
  • step 11 While a negative result is obtained in step 11, the control unit 16 repeatedly executes the determination of step 11.
  • the control unit 16 determines whether or not the aerosol source (here, the stick-shaped base material BM) inserted in the holding unit 18 is heated for the first time (step 12).
  • the unused stick-shaped base material BM is heated for the first time, and the stick-shaped base material BM for which heating or suction was interrupted during the previous heating is heated for the second time.
  • interruption of heating and interruption of suction are collectively referred to as interruption of suction.
  • the control unit 16 determines that the heating is performed for the first time, and when there is a history of suspension of heating, the second heating is performed. Judge as heating.
  • control unit 16 Every time the control unit 16 detects that the stick-shaped base material BM is inserted into the holding unit 18, the control unit 16 inquires of the user whether it is the first heating or the second heating. You may judge whether it is heating or the second heating. In addition, even if there is no inquiry from the control unit 16, it is possible for the user to input the operation for the first heating or the second heating for a certain period of time from the insertion of the stick-shaped base material BM into the holding unit 18. good.
  • this inquiry and user's operation input may be executed immediately after the event of starting heating in step 11 .
  • the control unit 16 interrupts the heating as in the case where the stick-shaped base material BM pulled out from the holding unit 18 during the previous heating cycle is reinserted. Even if the history cannot be used, it is possible to determine that it is the second heating.
  • step 12 A positive result is obtained in step 12 if this is the first time heating.
  • the control unit 16 starts heating the heating unit 17 according to the heating profile (step 13).
  • the control unit 16 may notify the user of reception of the event to start heating through the vibration device or the light emitting device, which is the notification unit 13, for example.
  • the heating profile defines the elapsed time after the start of heating and the temperature of the heating unit 17 at each time point.
  • the control unit 16 controls the temperature of the heating unit 17 so as to match this heating profile.
  • One cycle of the heating profile in this embodiment is, for example, about 6 minutes.
  • the temperature specified in the heating profile changes during one cycle. For example, immediately after the start of the heating profile (ie, the preparatory period), a second temperature (ie, a predetermined threshold) above the first temperature at which aerosol generation begins is set as the target temperature.
  • a second temperature ie, a predetermined threshold
  • the target temperature is set as the target temperature.
  • the outer peripheral temperature of the stick-shaped base material BM which has been kept at room temperature, reaches the first temperature in a short period of time, and the aerosol can be generated. Become.
  • the heating profile after reaching the second temperature has the first temperature or a temperature slightly higher than the first temperature as the target temperature. This is because if the second temperature is maintained, the generation of aerosol proceeds too much, shortening the time during which the user can inhale the aerosol.
  • aerosol generation starts from the outer peripheral portion of the stick-shaped base material BM, which is close to the heating section 17 . Therefore, the amount of aerosol generated from the outer peripheral portion near the heating portion 17 decreases with the lapse of time. For continuous generation of aerosol, it is necessary to move the portion of the stick-type substrate BM that reaches the first temperature over time.
  • the target temperature determined by the heating profile is gradually increased with the passage of time so that the aerosol is also generated from a portion farther from the heating unit 17, that is, near the center of the stick-shaped base material BM.
  • the target temperature of the heating unit 17 is not set to the second temperature after the suction preparation period has elapsed. Due to this heating profile, the amount of aerosol generated from the stick-type substrate BM is maintained substantially uniform during one cycle. Note that the amount of aerosol generated is not sufficient immediately after the start of heating. Therefore, the control unit 16 sets approximately 30 seconds after the start of heating as a suction preparation period. After the preparation period has elapsed, the control unit 16 notifies the user via the notification unit 13 that the aerosol can be inhaled.
  • the controller 16 determines whether or not the time defined by the heating profile has expired (step 14). In the above example, it is determined whether or not approximately 6 minutes have elapsed since the start of heating. The determination time here is an example of the first time. If a positive result is obtained in step 14, the control section 16 terminates the heating of the heating section 17 (step 15). This is because no aerosol source remains in the stick-shaped base material BM and no aerosol is generated even if the heating of the heating unit 17 is continued.
  • step 16 determines whether or not the power button has been pressed for a long time (step 16).
  • the long press of the power button here is an example of an operation input for forcibly instructing the end of heating before the time defined by the heating profile expires. Therefore, in step 16, instead of pressing the power button for a long time, it may be determined whether or not the power button is continuously pressed a plurality of times or the heating stop button is operated.
  • These operation inputs are examples of user inputs for instructing the user to stop heating. Even if a positive result is obtained in step 16 , the control section 16 proceeds to step 15 and stops the heating of the heating section 17 .
  • a positive result in step 16 is an example of an interruption of suction.
  • step 16 determines whether or not a predetermined number of times of suction has been detected (step 17).
  • the number of times of suction by the user can be detected through a flow rate sensor of the sensor unit 12 and a temperature sensor (since the temperature temporarily drops due to suction, it is determined to be one suction).
  • the predetermined number of times here is the maximum number of times of suction, and is an example of the first number of times.
  • the predetermined number of times is determined according to the amount of aerosol generated by one stick-shaped base material BM. In the case of this embodiment, 14 times is used as the predetermined number of times of suction. However, the number of times is an example.
  • the control section 16 proceeds to step 15 and stops the heating of the heating section 17 .
  • step 17 the control unit 16 automatically determines to interrupt suction. Specifically, the control unit 16 determines whether or not the passage of the predetermined time has been detected (step 18).
  • the determination shown in step 18 is an example of automatic determination of interruption of suction, and as described above, a plurality of determination methods are possible.
  • step 18 a situation occurs in which the suction of the aerosol must be interrupted for some reason, in other words, a situation occurs in which the suction of the generated aerosol cannot be continued even if the generation of the aerosol continues due to the heating of the stick-type base material BM. is detected.
  • this situation includes, for example, a situation in which the person is preoccupied with a conversation with another person, a delivery service or the like, and a vehicle to board has arrived.
  • step 18 it is determined whether a predetermined period of time has passed without detection of suction since the start of heating, or whether a predetermined period of time has passed without detection of suction since the end of the previous suction.
  • “After starting heating” means that the heating unit 17 (see FIG. 1) starts heating the stick-shaped base material BM, and includes the preparation period described above. For example, a positive result is obtained in step 18 when a predetermined period of time has passed without detecting any aerosol inhalation.
  • the "predetermined time from the end of the previous suction” depends on the suction time per time and the interval between suctions assumed for a standard user.
  • the user's operation to instruct the setting or change of the predetermined time includes the operation of the buttons provided on the main body, as well as the operation from an external device such as a smartphone connected through the communication unit 15 (see FIG. 1). included.
  • control unit 16 obtains a positive result at step 18 . Even if a positive result is obtained in step 18 , the control section 16 proceeds to step 15 and stops the heating of the heating section 17 . If a negative result is obtained in step 18, the control unit 16 returns to step 14 and repeats the determinations of steps 14-18.
  • the above processing operation completes the heating cycle during the initial heating of the aerosol source.
  • step 12 A negative result is obtained in step 12 for the second heating.
  • the control unit 16 detects that a predetermined time has elapsed during the previous heating cycle. If so (that is, if a positive result is obtained in step 18), it is determined that this is the second heating.
  • the stick-shaped base material BM which is the aerosol source, remains inserted in the holding part 18 even after the heating is completed.
  • the control unit 16 determines whether the stick-shaped base material BM inserted into the holding unit 18 is unused. An operation input from the user is required in order to know whether or not. In any case, when a negative result is obtained in step 12, the control unit 16 determines whether or not the stick-type base material BM held by the holding unit 18 has an aerosol source that can be sucked (step 19).
  • the term "inspirable" means that aerosol can be generated by reheating the remaining aerosol source.
  • the control unit 16 uses one or more of the following methods to determine whether or not there remains an amount of aerosol source that can generate inhalable aerosol.
  • the control unit 16 obtains a positive result in step 19 when the heating time in the immediately preceding heating cycle is less than a predetermined threshold value (for example, 30 seconds). On the other hand, if the heating time in the immediately preceding heating cycle is equal to or longer than the predetermined threshold value, the controller 16 obtains a negative result in step 19 .
  • a predetermined threshold value for example, 30 seconds.
  • the threshold here is an example of the second time.
  • control unit 16 obtains a positive result in step 19 when the remaining heating time in the immediately preceding heating cycle is longer than a threshold value (for example, 30 seconds).
  • the remaining heating time is the difference between the time at which heating is completed in the immediately preceding heating cycle and the end time of the heating profile (that is, the first time), or a predetermined time (for example, 30 seconds) is subtracted from the difference. given as a value.
  • the predetermined value may be changed depending on the time elapsed from the start of heating or the number of times of suction (for example, in a state where suction has not yet been performed after the start of heating, it is set to 0, and suction 30 if aspirated from the beginning to the end of one cycle (eg, 5 minutes), etc.).
  • the controller 16 obtains a negative result in step 19 . In this case, even if the aerosol source remains in the calculation, the chemical change of the aerosol source has progressed, and even if reheating and inhaling, the quality of smoking is expected to deteriorate.
  • control unit 16 obtains a positive result in step 19 when the number of times of suction in the last heating cycle is less than a predetermined number (for example, 12 times).
  • a predetermined number for example, 12 times.
  • the control unit 16 obtains a negative result in step 19 .
  • control unit 16 obtains a positive result in step 19 when the number of remaining suctions in the immediately preceding heating cycle is greater than a threshold value (for example, two times).
  • the remaining number of suctions is the difference between the number of suctions in the previous heating cycle and the set maximum number of suctions (for example, 14 times), or a value obtained by subtracting a predetermined value (for example, 2 times) from the difference.
  • the predetermined value may be changed depending on the time elapsed from the start of heating or the number of times of suction (for example, in a state where suction has not yet been performed after the start of heating, it is set to 0, and suction 2, etc., if aspiration is performed from the beginning to the end of one cycle (eg, 10 times).
  • the number of remaining aspirations in the last heating cycle is less than the threshold, step 19 yields a negative result. Even in this case, even if the aerosol source remains in the calculation, the chemical change of the aerosol source progresses, and it is expected that the quality of smoking will deteriorate even if reheated and inhaled.
  • the number of times for determination here is also an example of the second number of times.
  • the control unit 16 obtains a positive result in step 19 when the maximum temperature of the heating unit 17 measured in the immediately preceding heating cycle is less than the maximum temperature on the heating profile.
  • the temperature of the heating unit 17 reaches the set maximum temperature only once, except for malfunctions. Therefore, if the measured maximum temperature does not reach the set maximum temperature, it can be understood that the immediately preceding heating cycle ended before the preparatory period ended. In other words, since aerosol suction has not started, it means that a sufficient aerosol source remains on the stick-type substrate BM.
  • the maximum temperature of the heating section 17 measured in the immediately preceding heating cycle is equal to or higher than the maximum temperature on the heating profile, a negative result is obtained in step 19 .
  • step 19 the control section 16 proceeds to step 13 and starts heating the heating section 17 according to the heating profile.
  • this heating is called reheating.
  • a positive result in step 19 therefore means that reheating of the aerosol source is permissible.
  • the same heating profile as in the initial heating is used for reheating as well. Therefore, a heating profile of approximately 6 minutes is again carried out.
  • the heating time and the number of suctions in the previous heating cycle can be inherited, the heating time and the number of suctions after the transfer can be used for the determination in step 16 or step 19, so that the aerosol source does not remain. can avoid continuation of heating in
  • step 19 the control section 16 proceeds to step 15 and finishes the heating of the heating section 17 . That is, a negative result in step 19 means that reheating of the aerosol source is not allowed.
  • the control unit 16 uses the notification unit 13 to notify the user that replacement of the stick-shaped base material BM, which is the aerosol source, is requested. For example, the control unit 16 notifies that the stick-type base material BM needs to be replaced by the flashing pattern of the light emitting device, the display of the display device, the beep sound and voice of the sound output device, and the vibration pattern of the vibrating device. Note that this notification is executed regardless of whether or not the input of reheating (that is, the second heating) is received through the input unit.
  • the heating is stopped after the heating cycle is started on the condition that the amount of the aerosol source that can generate an inhalable aerosol remains. It becomes possible to reheat the stick-type substrate BM that has been heated. That is, even if the stick-type substrate BM whose heating is interrupted in the middle of the heating cycle, if the above-described conditions are satisfied, aerosol can be sucked using the aerosol source remaining in the stick-type substrate BM.
  • FIG. 3 is a flowchart illustrating an example of heating control of the stick-shaped base material BM by the aerosol generator 1 (see FIG. 1). In FIG. 3, parts corresponding to those in FIG. 2 are shown with reference numerals corresponding thereto.
  • step 19 when a positive result is obtained in step 19, the control unit 16 proceeds to step 13, but in the case of the present embodiment, the control unit 16 performs heating according to the heating profile for reheating. Start (step 20).
  • the heating profile for reheating refers to the remaining part of the previous heating profile in which the heating cycle was interrupted.
  • the portion of the heating profile after the time point when the previous heating profile was interrupted is used as the heating profile for reheating.
  • this heating control one heating profile is reconstructed by combining the portion of the heating profile to be executed this time and the portion of the previously executed heating profile.
  • the heating profile for one stick-shaped substrate BM can be divided into a plurality of partial profiles.
  • heating can be restarted from a heating profile that corresponds to the state of the remaining amount of the aerosol source. For example, if the aerosol source remains near the center of the stick-shaped substrate BM, heating can be restarted from a temperature suitable for heating the aerosol source in this region.
  • the portion of the heating profile after a predetermined time (that is, the third time) has elapsed since the previous heating profile was interrupted is used as the heating profile for reheating.
  • the third time is, for example, 15 seconds.
  • the predetermined time here may be changed according to the type of aerosol source filled in the stick-shaped base material BM to be heated. Even if the heating is interrupted, the internal temperature of the stick-shaped base material BM gradually decreases. Therefore, even if the heating profile is restarted from the point at which the heating profile was interrupted, the remaining amount of the aerosol source may be low. However, by restarting the heating profile after a predetermined amount of time has elapsed, it is possible to generate a sufficient amount of aerosol immediately after reheating.
  • the third time may be set to 0 when the time from interruption of heating to reheating is shorter than a predetermined time. That is, if the time between the interruption of heating and the reheating is as short as 1 minute, for example, the internal temperature of the aerosol source has decreased since the interruption of heating, but the deterioration of the aerosol source has not progressed. This is because the aerosol can be provided without degrading the quality of the smoking taste even if the heating is restarted immediately.
  • the control unit 16 when the heating according to the heating profile for reheating is started, the control unit 16 notifies the time or number of times that suction is possible (step 21), and then proceeds to step 14. By notifying the time and number of times that the suction is possible at the same time as the resuming of heating, it is possible to improve the user's predictability of reheating the stick-shaped base material BM.
  • the time and number of times that suction is possible are notified to the user through the notification unit 13, for example.
  • the sound output device reproduces sounds such as "You can suck 3 minutes later" or "You can suck 2 more times".
  • the number of possible suction times may be notified by the number of flashes of the light emitting device, the display of the display device, or the vibration frequency of the vibrating device.
  • the aerosol generating device 1 is connected to an external device such as a smartphone, the time that can be inhaled may be displayed using a display or the like on the external device side.
  • the notification of the possible suction time and the number of times can also be applied to the first embodiment.
  • FIG. 4 is a diagram schematically showing a configuration example of an aerosol generating device 1A assumed in the third embodiment. In FIG. 4, parts corresponding to those in FIG. 1 are shown with reference numerals corresponding thereto.
  • the aerosol generating apparatus 1A shown in FIG. and a liquid heating section 23 for heating and vaporizing the liquid held in the liquid guiding section 22 .
  • the aerosol generating device 1A shown in FIG. 4 includes an air flow path for guiding air taken in from an air inflow hole (hereinafter referred to as an "air inflow hole") 24 to an internal space 18A of the holding portion 18 via a liquid heating portion 23. 25 are formed.
  • an air inflow hole hereinafter referred to as an "air inflow hole”
  • air outflow hole 26 at the end of the air flow path 25 is connected to the bottom portion 18 ⁇ /b>C of the holding portion 18 . Therefore, the air that has flowed in from the air inlet 24 passes through the liquid heating portion 23, the air outlet 26, and the bottom portion 18C in order, and flows into the internal space 18A of the holding portion 18.
  • FIG. 4 This air flow is formed when the user applies the mouthpiece BM2 of the stick-shaped base material BM and sucks. In FIG. 4 the air flow is represented by arrows 27 .
  • the liquid storage unit 21 is a tank that stores a liquid aerosol source.
  • aerosol sources include polyhydric alcohols such as glycerin and propylene glycol, and liquids such as water. Aerosol sources may include tobacco materials or extracts derived from tobacco materials that release flavoring components when heated. The aerosol source may also include nicotine. If the aerosol-generating device 1 is a medical inhaler such as a nebulizer, the aerosol source may contain a medicament.
  • the liquid guide section 22 is a member that guides and holds the liquid aerosol source from the liquid storage section 21 to the heating area.
  • a member called a wick made by twisting a fiber material such as glass fiber or a porous material such as porous ceramic is used for the liquid guide portion 22 .
  • the liquid guide portion 22 is connected to the liquid storage portion 21 .
  • the aerosol source stored in the liquid storage section 21 is guided to the heating area by capillary action of the wick. That is, the aerosol source stored in the liquid storage section 21 spreads over the entire liquid guide section 22 by capillary action.
  • the liquid heating unit 23 is a member that heats the aerosol source held in the heating area to atomize the aerosol source and generate an aerosol.
  • the liquid heating section 23 is a coil and is wound around the liquid guide section 22 .
  • a coil is also an example of a heater.
  • the area around which the coil is wound in the liquid guide portion 22 serves as a heating area.
  • the heat generated by the liquid heating unit 23 raises the temperature of the aerosol source held in the heating area to the boiling point, thereby generating an aerosol.
  • the liquid heating part 23 may be in the form of a film or a blade instead of a coil. That is, the shape of the liquid heating part 23 may be arbitrary.
  • the liquid heating part 23 is made of any material such as metal or polyimide.
  • Electric power is supplied to the liquid heating unit 23 through the control unit 16 during a period in which the sensor unit 12 detects the suction by the user, for example, and aerosol is generated.
  • power supply to the liquid heating unit 23 is started, for example, when a user instructs the start of aerosol generation, and power is supplied by detecting an event to end heating of the liquid heating unit 23. is stopped.
  • the event for ending the heating of the liquid heating unit 23 is the same as the case described in the first embodiment. That is, in the present embodiment, generation of aerosol from the stick-shaped base material BM and generation of aerosol from the liquid heating unit 23 are synchronized. However, the generation of aerosol from the stick-type base material BM and the generation of aerosol from the liquid heating unit 23 may be controlled separately.
  • the case where the aerosol source is removed from the main body also includes the case where the liquid reservoir 21 is removed from the main body.
  • the automatic termination function of heating caused by interruption of suction is provided.
  • FIG. 5 is a diagram schematically showing a configuration example of an aerosol generating device 1B assumed in the fourth embodiment.
  • the housing portion housing the power supply section 11, the control section 16, and the like is called a power supply unit 30, and the housing portion housing the liquid storage section 21, the liquid heating section 23, and the like is called a cartridge 31.
  • the cartridge 31 can be attached to and detached from the power supply unit 30 .
  • a mouthpiece 28 is detachably attached to the cartridge 31 .
  • the mouthpiece 28 is provided with a mouthpiece 28A, and when the user sucks by adding the mouthpiece 28A, the air flowing in from the air inlet 24 passes through the liquid heating part 23 and the mouthpiece 28 in order. It flows into the mouthpiece 28A.
  • This air flow is represented by arrows 27 .
  • the present embodiment differs from the first embodiment in that the aerosol source is a liquid. By providing the automatic end function of , it is possible to avoid a situation where the aerosol source stored in the liquid storage unit 21 is wasted.
  • the heating unit 17 heats the outer peripheral surface of the stick-shaped base material BM, but the stick-shaped base material BM may be heated from inside.
  • the method of heating from the inside of the stick-shaped base material BM includes a method of heating a metal blade that is pierced into the inside of the stick-shaped base material BM from the bottom 18C (see FIG. 1) or the like, and a method of heating the inside of the stick-shaped base material BM.
  • Metal blades and induction heating coils are also examples of heaters.
  • a plurality of methods for determining whether to interrupt suction are exemplified, but other determination methods can also be applied. For example, when a connection is established between the aerosol generation device 1 (see FIG. 1) and a smartphone, wearable device, or the like via the communication unit 15 by a short-range wireless communication method (for example, Bluetooth), the connection is disconnected. When it is detected, it may be determined that the suction is interrupted, and the heating may be terminated. For example, this may occur when the aerosol generator 1 is placed on a desk or the like and the user wears the wearable device and goes out to pick up a package or the like.
  • a short-range wireless communication method for example, Bluetooth
  • the aerosol generator detects that the connection between the aerosol generator and the wearable device has been cut, or the smartphone detects that the connection between the smartphone and the wearable device has been cut, and the aerosol generator connects. It is possible to consider a mode in which the disconnection is notified from a smartphone that is connected to the network.
  • the suspension of suction may be determined automatically from the attitude of the aerosol generator 1 (hereinafter referred to as "the attitude of the main body”).
  • a posture sensor is used to detect the posture of the main body.
  • a 6-axis acceleration sensor for example, is used as the attitude sensor.
  • the attitude sensor For example, if the posture of the main body is different from the standard posture during suction (hereinafter referred to as the "standard posture"), the current posture of the main body when the user inhales the aerosol is determined as the posture that is determined to interrupt the suction. In some cases, the posture of the main body (hereinafter, also referred to as “user-specific posture”) has changed.
  • the standard posture of the main body is defined as the inclination of the main body when, for example, the axial direction or longitudinal direction of the stick-shaped base material BM extending from the user's mouth is in the range from the substantially horizontal to the obliquely downward direction.
  • the standard posture also differs depending on the external shape of the aerosol generator 1 .
  • the aerosol generating device 1 assumes a standard orientation approximately horizontally.
  • postures different from the standard posture include, for example, a state in which the suction portion of the stick-shaped base material BM is inclined in a direction opposite to the user's mouth.
  • the inhalation of aerosol by the user can be detected by a flow rate sensor, a temperature sensor (since the temperature temporarily drops due to inhalation, it is determined as one inhalation), or the like. Therefore, if the posture detected by the posture sensor during suction is stored as the posture of the main body during suction, it is possible to detect a change from the posture unique to the user. It should be noted that even if the posture of the main body differs from the standard posture or the posture unique to the user, if the detection is temporary, it may not be regarded as an interruption. Whether it is temporary or non-temporary may be determined based on whether or not a state different from a standard posture or a posture unique to the user continues for a predetermined time or longer. For example, when the aerosol generator 1 is left on a desk or the like, the main body maintains the same posture. This state is detected as a stationary state.

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  • Catching Or Destruction (AREA)

Abstract

Le présent dispositif de génération d'aérosol comprend : une unité de chauffage chauffant une source d'aérosol ; une unité de commande commandant l'alimentation électrique de l'unité de chauffage ; et une unité d'entrée actionnée par un utilisateur. Lorsque le chauffage de la source d'aérosol est arrêté avant qu'un premier temps ne s'écoule du début à l'arrêt du chauffage de la source d'aérosol par l'unité de chauffage, ou avant que le nombre d'inhalations ne dépasse un premier nombre, l'unité de commande détermine, qu'une telle quantité de la source d'aérosol reste ou ne reste pas dans la source d'aérosol dont le chauffage est arrêté, la génération d'un un aérosol inhalable. Lorsqu'il est déterminé qu'il reste une quantité suffisante de la source d'aérosol pour permettre la génération d'un aérosol inhalable, l'unité de commande accepte une entrée de réchauffage à partir de l'unité d'entrée, et lorsqu'il est déterminé qu'il ne reste pas une quantité suffisante de la source d'aérosol pour permettre la génération d'un aérosol inhalable, l'unité de commande n'accepte pas l'entrée de réchauffage à partir de l'unité d'entrée.
PCT/JP2021/029883 2021-08-16 2021-08-16 Dispositif de génération d'aérosol WO2023021546A1 (fr)

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CN110754701A (zh) * 2019-11-27 2020-02-07 深圳市吉迩科技有限公司 电子烟加热控制方法、装置和混吸电子烟
JP6761913B1 (ja) * 2020-03-10 2020-09-30 日本たばこ産業株式会社 吸引器用コントローラ
JP6890205B1 (ja) * 2020-11-20 2021-06-18 日本たばこ産業株式会社 エアロゾル生成装置の電源ユニット

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JP2019509727A (ja) * 2016-02-19 2019-04-11 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 使用法判定を備えるエアロゾル発生システム
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KR20190038181A (ko) * 2017-09-29 2019-04-08 주식회사 케이티앤지 에어로졸 생성 장치 및 제어 방법
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