WO2023042360A1 - Dispositif d'aspiration et système d'aspiration - Google Patents

Dispositif d'aspiration et système d'aspiration Download PDF

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Publication number
WO2023042360A1
WO2023042360A1 PCT/JP2021/034231 JP2021034231W WO2023042360A1 WO 2023042360 A1 WO2023042360 A1 WO 2023042360A1 JP 2021034231 W JP2021034231 W JP 2021034231W WO 2023042360 A1 WO2023042360 A1 WO 2023042360A1
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WO
WIPO (PCT)
Prior art keywords
susceptor
magnetic sensor
suction device
electromagnetic induction
magnetic field
Prior art date
Application number
PCT/JP2021/034231
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English (en)
Japanese (ja)
Inventor
泰弘 小野
和俊 芹田
寛 手塚
玲二朗 川崎
Original Assignee
日本たばこ産業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to PCT/JP2021/034231 priority Critical patent/WO2023042360A1/fr
Publication of WO2023042360A1 publication Critical patent/WO2023042360A1/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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating

Definitions

  • the present invention relates to a suction device and a suction system.
  • the suction device can generate an aerosol imparted with a flavor component by using an aerosol source for generating an aerosol and a flavor source for imparting a flavor component to the generated aerosol.
  • a user can taste the flavor by inhaling the aerosol to which the flavor component is added, which is generated by the suction device.
  • Such a suction device mainly adopts a method in which aerosol is generated from the aerosol source by resistance heating of a blade-shaped heating element inserted into the aerosol source.
  • Patent Literature 1 discloses an aerosol-generating substrate that includes a plurality of susceptors having different Curie temperatures and generates an aerosol by induction heating of the susceptors.
  • the present invention has been made in view of the above problems, and an object of the present invention is to make it possible to more accurately detect the presence or absence or insertion state of a substrate including a susceptor that is induction-heated. , a new and improved aspiration device and aspiration system.
  • a holder capable of accommodating an aerosol source and a base material containing a susceptor thermally adjacent to the aerosol source in an internal space; an electromagnetic induction source for generating a fluctuating magnetic field in the internal space using a magnetic sensor for detecting a susceptor magnetic field generated by the susceptor magnetized by the electromagnetic induction by the fluctuating magnetic field; and a controller for switching whether to allow heating of the aerosol source.
  • the magnetic sensor may detect the susceptor magnetic field in response to supply of the alternating current to the electromagnetic induction source.
  • the magnetic sensor detects the susceptor magnetic field generated by the susceptor magnetized by the varying magnetic field from the electromagnetic induction source when the alternating current supplied to the electromagnetic induction source has a current value of 0. You may
  • the control unit may permit heating of the aerosol source when the detection value of the magnetic sensor is equal to or greater than a first threshold value indicating a state in which no magnetic field is generated by the susceptor.
  • the control unit may permit heating of the aerosol source when the detection value of the magnetic sensor is equal to or greater than a second threshold indicating the magnitude of the varying magnetic field generated by the electromagnetic induction source.
  • the second threshold may be set based on the detection value of the magnetic sensor in a state in which the susceptor is not accommodated in the holding portion and the alternating current is supplied to the electromagnetic induction source.
  • a lid capable of opening and closing an opening communicating with the internal space of the holding portion, wherein the second threshold is set based on a detection value of the magnetic sensor in a state where the lid closes the opening.
  • the alternating current may be repeatedly supplied to the electromagnetic induction source for a predetermined period of time, and the magnetic sensor may detect the susceptor magnetic field each time the alternating current is supplied to the electromagnetic induction source.
  • the supply of the alternating current to the electromagnetic induction source may be stopped.
  • the control unit determines whether the susceptor is present at a predetermined position based on the detection result of the magnetic sensor, and permits heating of the aerosol source when the susceptor is present at the predetermined position. good too.
  • the control unit may further determine the type of the susceptor based on the detection result of the magnetic sensor.
  • the control unit may further permit heating of the aerosol source when the susceptor is determined to be a predetermined type of susceptor.
  • the control unit may determine the heating profile of the aerosol source based on the determined type of the susceptor.
  • the susceptor may heat the aerosol source by induction heating by the varying magnetic field from the electromagnetic induction source.
  • the distance between the magnetic sensor and the susceptor may be shorter than the distance between the magnetic sensor and the electromagnetic induction source.
  • the holding part may be provided in a cylindrical shape with an open upper surface, and the magnetic sensor may be provided in the vicinity of the bottom surface of the holding part facing the upper surface.
  • a sub magnetic sensor is provided near the side surface of the cylindrical shape of the holding unit, and the control unit controls the detection of the aerosol source based on at least one or more detection results of the magnetic sensor or the sub magnetic sensor. You may switch whether heating is permitted.
  • the sub-magnetic sensor may be a magnetoresistive sensor.
  • the magnetic sensor may be a Hall element sensor.
  • a substrate having an aerosol source and a susceptor thermally adjacent to the aerosol source, and a substrate capable of accommodating the substrate in an internal space.
  • a holding unit an electromagnetic induction source that generates a varying magnetic field in the internal space using alternating current, a magnetic sensor that detects a susceptor magnetic field generated by the susceptor magnetized by electromagnetic induction by the varying magnetic field, and a detection result of the magnetic sensor an aspiration device having a control that allows or disables heating of the aerosol source based on a.
  • the present invention it is possible to more accurately detect whether or not the substrate including the induction-heated susceptor is inserted into the suction device, or whether or not the substrate is inserted.
  • FIG. 5 is a flowchart for explaining the flow of a susceptor detection operation
  • FIG. 4 is a timing chart showing the state of each component when detecting a susceptor
  • FIG. 10 is a flow chart showing the flow of operation for setting a second threshold indicating the magnitude of the magnetic field generated by the electromagnetic induction source
  • FIG. 10 is a flow chart for explaining the flow of a modification of the susceptor detection operation
  • FIG. 1 is a schematic diagram showing a configuration example of a suction device 100 according to this embodiment.
  • the suction device 100 includes, for example, a power supply unit 111, a sensor unit 112, a notification unit 113, a storage unit 114, a communication unit 115, a control unit 116, a magnetic sensor 170, a heat insulating It includes a portion 173 , a susceptor 161 , an electromagnetic induction source 162 , a holding portion 140 and a lid portion 174 .
  • the suction device 100 performs induction heating (IH) on the stick-shaped substrate 150 including the aerosol source while the stick-shaped substrate 150 is held by the holding portion 140 .
  • IH induction heating
  • the aerosol source contained in the stick-shaped substrate 150 is atomized to generate an aerosol from the stick-shaped substrate 150 .
  • the generated aerosol is inhaled by the user.
  • suction device 100 and the stick-shaped base material 150 cooperate to generate an aerosol that is sucked by the user.
  • the combination of suction device 100 and stick-type substrate 150 may be viewed as an aerosol generating system.
  • the power supply unit 111 stores power and supplies power to each component of the suction device 100 .
  • the power supply unit 111 may be composed of, for example, a rechargeable secondary battery such as a lithium ion secondary battery.
  • the power supply unit 111 may be charged by being connected to an external power supply via a USB (Universal Serial Bus) cable or the like.
  • the power supply unit 111 may be charged by a power transmission device that is not directly connected using wireless power transmission technology.
  • the power supply unit 111 may be provided detachably from the suction device 100, or may be provided so as to be replaceable with a new power supply unit 111.
  • the sensor unit 112 detects various types of information about the suction device 100 and outputs the detected information to the control unit 116 .
  • the sensor unit 112 may be configured with a pressure sensor such as a condenser microphone, a flow sensor, or a temperature sensor. In such a case, the sensor unit 112 can output information indicating that the user has performed suction to the control unit 116 when detecting a numerical value associated with the user's suction.
  • the sensor unit 112 may be configured by an input device such as a button or switch that accepts input of information from the user. good too. In such a case, the sensor unit 112 can output information input by the user to the control unit 116 .
  • the sensor section 112 may be configured with a temperature sensor that detects the temperature of the susceptor 161 .
  • the temperature sensor may detect the temperature of the susceptor 161 based on the electrical resistance value of the electromagnetic induction source 162, for example. In such a case, the sensor section 112 can detect the temperature of the stick-shaped substrate 150 held by the holding section 140 based on the temperature of the susceptor 161 .
  • the notification unit 113 notifies the user of information.
  • the notification unit 113 may be configured by a light-emitting device such as an LED (Light Emitting Diode). According to this, the notification unit 113 emits light in a different light emission pattern when the power supply unit 111 needs to be charged, when the power supply unit 111 is being charged, or when an abnormality occurs in the suction device 100. Can emit light.
  • the light emission pattern here is a concept including color, timing of lighting/lighting out, and the like.
  • the notification unit 113 may be configured by a display device that displays an image, a sound output device that outputs sound, a vibration device that vibrates, or the like, together with or instead of the light emitting device.
  • the notification unit 113 may notify information indicating that suction by the user has become possible. Information indicating that the user can suck is notified to the user, for example, when the temperature of the stick-shaped base material 150 heated by electromagnetic induction reaches a predetermined temperature.
  • the storage unit 114 stores various information for the operation of the suction device 100 .
  • the storage unit 114 is configured by, for example, a non-volatile storage medium such as flash memory.
  • An example of the information stored in the storage unit 114 is information regarding the OS (Operating System) of the suction device 100, such as control details of various components by the control unit 116.
  • FIG. Another example of information stored in the storage unit 114 is information related to suction by the user, such as the number of times of suction, suction time, or accumulated suction time.
  • the communication unit 115 is a communication interface for transmitting and receiving information between the suction device 100 and other devices.
  • the communication unit 115 can perform communication conforming to any wired or wireless communication standard.
  • a communication standard for example, a wireless LAN (Local Area Network), a wired LAN, Wi-Fi (registered trademark), Bluetooth (registered trademark), or the like can be adopted.
  • the communication unit 115 may transmit information regarding suction by the user to the smartphone so that the smartphone displays information regarding suction by the user.
  • the communication unit 115 may receive new OS information from the server in order to update the OS information stored in the storage unit 114 .
  • the control unit 116 functions as an arithmetic processing device and a control device, and controls the general operations within the suction device 100 according to various programs.
  • the control unit 116 may be realized by an electronic circuit such as a CPU (Central Processing Unit) or a microprocessor.
  • the control unit 116 may also include a ROM (Read Only Memory) for storing programs to be used, calculation parameters, etc., and a RAM (Random Access Memory) for temporarily storing parameters that change as appropriate.
  • control unit 116 may control execution of various processes related to the operation of the suction device 100 .
  • the control unit 116 controls power supply from the power supply unit 111 to other components, charging of the power supply unit 111, detection of information by the sensor unit 112, notification of information by the notification unit 113, storage of information by the storage unit 114, or Execution of processing such as reading and transmission/reception of information by the communication unit 115 may be controlled.
  • the control unit 116 can also control the execution of other processes executed by the suction device 100, such as information input to each component and processing based on information output from each component. be.
  • the holding part 140 has an internal space 141 and holds the stick-shaped base material 150 by accommodating a part of the stick-shaped base material 150 in the internal space 141 .
  • the holding part 140 has an opening 142 that communicates the internal space 141 with the outside, and holds the stick-shaped substrate 150 inserted into the internal space 141 through the opening 142 .
  • the holding portion 140 may be configured in a cylindrical shape defining a columnar internal space 141 with the opening 142 and the bottom portion 143 as the bottom surface.
  • the holding part 140 has an inner diameter smaller than the outer diameter of the stick-shaped base material 150 at least in part in the height direction of the cylindrical body, so that the stick-shaped base material 150 inserted into the internal space 141 can be held. It can be held by pressing from the outer periphery.
  • the holding part 140 also has a function of defining an air flow path passing through the stick-shaped base material 150 .
  • An air inlet hole which is an inlet for air into the channel, is arranged, for example, in the bottom portion 143 .
  • the opening 142 is an air outflow hole, which is the outlet of the air from the channel.
  • the lid part 174 is a cover that opens and closes the opening 142 that communicates with the internal space 141 of the holding part 140 , and is provided on the outer peripheral surface of the housing of the suction device 100 .
  • the lid portion 174 may be provided as a flat cover that slides between a closed position that covers the opening 142 and an open position that does not cover the opening 142 .
  • the lid part 174 covers the opening 142 leading to the internal space 141, thereby suppressing foreign substances from entering the internal space 141. can be done.
  • the stick-shaped base material 150 is a stick-shaped member.
  • the stick-type substrate 150 includes a substrate portion 151 and a mouthpiece portion 152 .
  • the base material portion 151 includes an aerosol source.
  • the aerosol source is atomized by heating to produce an aerosol.
  • the aerosol source may be, for example, a processed product derived from tobacco, or a processed product obtained by molding shredded tobacco or tobacco raw materials into a granule, sheet, or powder. Aerosol sources may also include non-tobacco-derived ingredients produced from plants other than tobacco, such as mints and herbs. As an example, the aerosol source may contain perfume ingredients. If the inhalation device 100 is a medical inhaler, the aerosol source may contain a medicament for inhalation by the patient.
  • the aerosol source is not limited to solids and can be liquids such as, for example, polyhydric alcohols such as glycerin and propylene glycol, and water. At least part of the base material part 151 is accommodated in the internal space 141 of the holding part 140 while the stick-shaped base material 150 is held by the holding part 140 .
  • the mouthpiece 152 is a member held by the user when inhaling. At least part of the mouthpiece 152 protrudes from the opening 142 when the stick-shaped base material 150 is held by the holding part 140 .
  • air flows into the holding section 140 through an air inlet hole (not shown). The air that has flowed in passes through the internal space 141 (that is, the substrate portion 151 ) of the holding portion 140 and reaches the user's mouth together with the aerosol generated from the substrate portion 151 .
  • the stick-type base material 150 also includes a susceptor 161 .
  • the susceptor 161 can generate heat by electromagnetic induction.
  • the susceptor 161 is made of a material (for example, a paramagnetic material) that is magnetized by applying a magnetic field.
  • the susceptor 161 may be made of iron, nickel, cobalt, or alloys thereof (eg, SUS430 (JIS standard), permalloy, or mu-metal) in a plate shape.
  • the susceptor 161 may be arranged inside the base portion 151 such that the longitudinal direction of the susceptor 161 coincides with the longitudinal direction of the stick-shaped base 150 .
  • the susceptor 161 may be placed in thermal proximity to the aerosol source.
  • the susceptor 161 being thermally close to the aerosol source means that the susceptor 161 is arranged at a position where the heat generated by the susceptor 161 can be transferred to the aerosol source.
  • the susceptor 161 may be included in the substrate portion 151 along with the aerosol source such that the susceptor 161 is surrounded by the aerosol source. With such a configuration, the susceptor 161 can efficiently heat the aerosol source with the generated heat.
  • the susceptor 161 may be provided so as to be inaccessible from the outside of the stick-shaped substrate 150 .
  • the susceptor 161 may not be arranged near the outer periphery of the stick-shaped substrate 150 but may be arranged only in the central portion of the stick-shaped substrate 150 .
  • the electromagnetic induction source 162 causes the susceptor 161 to generate heat by electromagnetic induction.
  • the electromagnetic induction source 162 may be configured by, for example, a coiled conductor wire and arranged to wrap around the outer periphery of the holding portion 140 .
  • the electromagnetic induction source 162 is supplied with an alternating current from the power supply unit 111 and can generate a varying magnetic field at a position overlapping the internal space 141 of the holding unit 140 .
  • the electromagnetic induction source 162 can generate eddy current in the susceptor 161 and generate Joule heat in the susceptor 161 by generating a fluctuating magnetic field in a state where the stick-shaped substrate 150 is accommodated in the holding portion 140 . .
  • Joule heat generated in the susceptor 161 can generate an aerosol by heating an aerosol source included in the stick-shaped base material 150 .
  • the suction device 100 supplies power to the electromagnetic induction source 162 to induction-heat the aerosol source contained in the stick-shaped base material 150. , may generate an aerosol.
  • the inhalation device 100 allows inhalation by the user.
  • the suction device 100 may stop supplying power to the electromagnetic induction source 162 .
  • the suction device 100 may supply power to the electromagnetic induction source 162 to generate aerosol while the sensor unit 112 detects that the user has suctioned.
  • the magnetic sensor 170 detects the magnetic field generated by the susceptor 161 . Specifically, the magnetic sensor 170 detects a magnetic field generated by the susceptor 161 magnetized by electromagnetic induction from the electromagnetic induction source 162 . As an example, the magnetic sensor 170 magnetizes the susceptor 161 by electromagnetic induction from the electromagnetic induction source 162, and then, when the electromagnetic induction source 162 is not supplied with alternating current, the magnetized susceptor 161 generates a Residual magnetization may be detected. As another example, the magnetic sensor 170 may detect a magnetic field in which the magnetic field generated by the electromagnetic induction source 162 and the magnetic field generated by the susceptor 161 magnetized by the electromagnetic induction from the electromagnetic induction source 162 are superimposed. good.
  • the stick-shaped substrate 150 including the susceptor 161 is accommodated in the internal space 141 of the holding section 140 based on whether the magnetic field of the susceptor 161 is detected by the magnetic sensor 170 . It is possible to determine whether or not
  • the suction device 100 determines whether the stick-shaped substrate 150 including the susceptor 161 is housed at a predetermined position in the internal space 141 based on the magnetic field of the susceptor 161 detected by the magnetic sensor 170 . be able to.
  • the value of the magnetic field detected by the magnetic sensor 170 changes depending on the positional relationship between the magnetic sensor 170 and the susceptor 161 . For example, the smaller the distance between the magnetic sensor 170 and the susceptor 161, the larger the magnetic field detected by the magnetic sensor 170. Therefore, if the detected value of the magnetic field detected by the magnetic sensor 170 greatly deviates from the assumed value, the susceptor 161 may not be housed in the assumed position in the internal space 141 . Therefore, the suction device 100 determines whether or not the stick-shaped substrate 150 including the susceptor 161 is housed at a predetermined position in the internal space 141 based on the magnetic field detected by the magnetic sensor 170 . be able to.
  • the magnetic sensor 170 may be provided near the bottom 143 of the internal space 141 of the holding section 140 so as to face the bottom 143 .
  • the magnetic sensor 170 may be, for example, a Hall element sensor.
  • a Hall element sensor is a sensor that uses the Hall effect to generate an electromotive force in a direction perpendicular to both the direction of the current flowing through the Hall element and the direction of the magnetic field acting on the Hall element. According to this, the magnetic sensor 170 can detect the magnitude of the magnetic field acting in the longitudinal direction of the stick-shaped substrate 150 (that is, the longitudinal direction of the susceptor 161) as a Hall voltage.
  • Magnetic sensor 170 may be provided at a position closer to susceptor 161 than electromagnetic induction source 162 . Specifically, the distance d 1 between the magnetic sensor 170 and the susceptor 161 may be shorter than the distance d 2 between the magnetic sensor 170 and the electromagnetic induction source 162 . The magnetic sensor 170 is provided at a position closer to the susceptor 161 to be detected than the electromagnetic induction source 162 that can be a noise source, so that the magnetic field generated by the susceptor 161 can be detected with higher accuracy.
  • the heat insulating portion 173 is provided between the bottom portion 143 of the internal space 141 of the holding portion 140 and the magnetic sensor 170 with a material having low thermal conductivity.
  • the heat insulating portion 173 can protect the magnetic sensor 170 from heat by suppressing the transfer of heat from the stick-shaped substrate 150 including the susceptor 161 to the magnetic sensor 170 .
  • the heat insulating portion 173 may be made of so-called super engineering plastic with high heat resistance. Examples of such super engineering plastics include PEEK (PolyEtherEtherKetone) and PI (Polyimide). Note that the heat insulating portion 173 may not be provided when the heat generated from the susceptor 161 has little effect on the magnetic sensor 170 .
  • FIG. 1 shows an example in which the susceptor 161 is included in the base material portion 151 of the stick-shaped base material 150
  • the suction device 100 is not limited to this example.
  • the holding part 140 may function as the susceptor 161 .
  • the suction device 100 causes the holding portion 140 to generate Joule heat by generating an eddy current in the holding portion 140 by the magnetic field generated by the electromagnetic induction source 162 . Accordingly, the suction device 100 can heat and atomize the aerosol source contained in the base material part 151 by the Joule heat generated in the holding part 140, so that the aerosol can be generated from the stick-type base material 150.
  • FIG. 2 is a schematic diagram showing a configuration example of a suction device 100A according to a modification of the present embodiment.
  • the suction device 100A differs from the suction device 100 shown in FIG. 1 in that instead of the magnetic sensor 170, a first magnetic sensor 170A and a second magnetic sensor 170B are provided.
  • the first magnetic sensor 170A is, for example, a Hall element sensor that detects the magnetic field generated by the susceptor 161, like the magnetic sensor 170 shown in FIG.
  • the first magnetic sensor 170A is provided near the bottom portion 143 of the internal space 141 of the holding portion 140 so as to face the bottom portion 143, similarly to the magnetic sensor 170 shown in FIG.
  • the second magnetic sensor 170B is, for example, a magnetoresistive sensor (MR sensor) that detects the magnetic field generated by the susceptor 161.
  • the second magnetic sensor 170B is provided extending in the longitudinal direction of the stick-shaped base material 150 along the cylindrical side surface of the holding part 140 .
  • An MR sensor is a sensor that changes the electrical resistance of a ferromagnetic metal film having an easy axis of magnetization by using the magnetoresistive effect. According to this, the second magnetic sensor 170B can detect changes in the magnetic field acting in the longitudinal direction of the stick-shaped substrate 150 (that is, in the longitudinal direction of the susceptor 161) as changes in electrical resistance.
  • the second magnetic sensor 170B may be a GMR line sensor in which a plurality of giant magnetoresistive elements (GMR elements) are arranged in an array in the longitudinal direction of the stick-shaped substrate 150 . Since the GMR line sensor can detect the magnetic field in the longitudinal direction of the stick-shaped substrate 150 in more detail, it is possible to detect the magnetization state in each extension position of the susceptor 161 in more detail. In such a case, the second magnetic sensor 170B can detect the magnetic field change caused by the defect or the positional abnormality of the susceptor 161 with higher accuracy, so that the abnormality of the susceptor 161 can be detected with higher accuracy. can.
  • GMR elements giant magnetoresistive elements
  • the second magnetic sensor 170B may be provided at a position closer to the susceptor 161 than the electromagnetic induction source 162. Specifically, the second magnetic sensor 170B may be provided inside the coil-shaped conducting wire that constitutes the electromagnetic induction source 162 . The second magnetic sensor 170B is provided at a position closer to the susceptor 161 than the electromagnetic induction source 162, which can be a noise source, so that the magnetic field generated by the susceptor 161 can be detected with higher accuracy.
  • the suction device 100A uses the first magnetic sensor 170A and the second magnetic sensor 170B of different types to detect the magnetic field generated by the susceptor 161 with higher accuracy. It is possible to
  • the suction device 100A according to the modification detects a vertical magnetic field with a first magnetic sensor 170A that is a Hall element sensor, and detects a horizontal magnetic field with a second magnetic sensor 170B that is an MR sensor. can do. Both the vertical magnetic field detected by the first magnetic sensor 170A and the horizontal magnetic field detected by the second magnetic sensor 170B are magnetic fields acting in the longitudinal direction of the susceptor 161.
  • FIG. Therefore, the suction device 100A according to the modified example combines the vertical magnetic field detected by the first magnetic sensor 170A and the horizontal magnetic field detected by the second magnetic sensor 170B to detect the magnetic field generated by the susceptor 161. It can be detected in more detail. According to this, the suction device 100A according to the modification can detect the defect or positional abnormality of the susceptor 161 with higher accuracy.
  • first magnetic sensor 170A and the second magnetic sensor 170B are not limited to the above, and may be the same type of magnetic sensor.
  • first magnetic sensor 170A and the second magnetic sensor 170B may each be Hall element sensors or may be MR sensors.
  • the first magnetic sensor 170A and the second magnetic sensor 170B may be magnetic sensors different from the Hall element sensor and the magnetoresistive sensor.
  • a shielding member that shields the magnetic field may be provided around the first magnetic sensor 170A and the second magnetic sensor 170B.
  • a shielding member that shields the magnetic field may be provided in a direction other than the direction facing the susceptor 161 of the first magnetic sensor 170A and the second magnetic sensor 170B.
  • the first magnetic sensor 170A and the second magnetic sensor 170B can shield magnetic fields other than the magnetic field generated by the susceptor 161, which may become noise, with the shielding member. Therefore, the first magnetic sensor 170A and the second magnetic sensor 170B can further improve the detection sensitivity of the magnetic field generated by the susceptor 161 .
  • FIG. 3 is a block diagram showing a functional configuration related to induction heating in the suction device 100 according to this embodiment.
  • the suction device 100 includes, for example, a power supply section 111, a drive circuit 165, a control section 116, and a magnetic sensor 170.
  • the power supply unit 111 includes a DC (Direct Current) power supply.
  • the power supply unit 111 can supply DC power to the drive circuit 165 .
  • the drive circuit 165 includes an inverter circuit 163 and an RLC circuit 164.
  • the drive circuit 165 can generate a varying magnetic field from the electromagnetic induction source 162 included in the RLC circuit 164 by using the DC power supplied from the power supply unit 111 .
  • the inverter circuit 163 is a DC/AC (Direct Current/Alternate Current) inverter.
  • the inverter circuit 163 converts the DC power supplied from the power supply unit 111 into AC power.
  • inverter circuit 163 may be a half-bridge inverter or a full-bridge inverter having one or more switching elements.
  • the RLC circuit 164 includes an electromagnetic induction source 162 configured as a coil, and uses AC power supplied from the inverter circuit 163 to generate a varying magnetic field.
  • RLC circuit 164 may further comprise resistors, capacitors, and matching circuits.
  • the electromagnetic induction source 162 included in the RLC circuit 164 can generate a varying magnetic field in the internal space 141 of the holding section 140 by being supplied with AC power.
  • the suction device 100 can induction-heat the susceptor 161 that is thermally adjacent to the aerosol source of the stick-shaped substrate 150 housed in the internal space 141, so that the aerosol can be generated from the aerosol source. .
  • the magnetic sensor 170 detects the magnetic field generated by the susceptor 161 magnetized by electromagnetic induction from the electromagnetic induction source 162 .
  • the magnetic sensor 170 is a Hall element sensor provided near the bottom portion 143 of the internal space 141 of the holding portion 140 .
  • MR sensor second magnetic sensor 170B provided along the side surface of the shape.
  • the control unit 116 includes a permission determination unit 181, a type determination unit 182, a profile determination unit 183, and a notification determination unit 184.
  • the control unit 116 can control induction heating of the stick-shaped substrate 150 by the susceptor 161 by controlling power supply to the drive circuit 165 based on the detection result of the magnetic sensor 170 .
  • the permission determination unit 181 determines whether or not to permit heating of the stick-shaped base material 150 housed in the internal space 141 of the holding unit 140 based on the detection result of the magnetic sensor 170 .
  • the permission determination unit 181 permits the supply of DC power from the power supply unit 111 to the drive circuit 165 , so that the variable magnetic field generated by the electromagnetic induction source 162 of the drive circuit 165 is generated. Allow to occur.
  • the permission determination unit 181 determines whether or not to permit induction heating of the stick-shaped substrate 150 by the susceptor 161 by determining the position of the susceptor 161 based on the detection result of the magnetic sensor 170 . . For example, when the magnetic sensor 170 detects a magnetic field equal to or greater than the threshold value, the permission determination unit 181 determines that the susceptor 161 is arranged in an appropriate positional relationship with respect to the magnetic sensor 170 and is appropriately magnetized. can do.
  • the permission determination unit 181 determines that the susceptor 161 is arranged at a predetermined position within the internal space 141 of the holding unit 140 based on the detection result of the magnetic sensor 170, and that the susceptor 161 is in a state in which the susceptor 161 can be induction-heated. can be judged. Therefore, the permission determination unit 181 can permit the induction heating of the stick-shaped substrate 150 .
  • the permission determination unit 181 determines that the susceptor 161 exists at a position away from the predetermined position in the internal space 141 of the holding unit 140 or the susceptor 161 is not properly positioned. It can be determined that it is not magnetized to If the susceptor 161 in such a state is induction-heated, there is a possibility that unexpected heat generation will occur or that the expected smoking taste will not be obtained. Therefore, the permission determination unit 181 can prevent the user from being provided with an unintended sucking experience by not permitting the heating of the stick-shaped base material 150 .
  • the magnetic sensor 170 detects when the electromagnetic induction source 162 is not supplied with AC power (the magnetic field from the electromagnetic induction source 162 becomes zero). ), the residual magnetization generated by the susceptor 161 may be detected. According to this, when the permission determination unit 181 determines the positional relationship between the susceptor 161 and the magnetic sensor 170 from the detection value of the magnetic sensor 170, it is possible to avoid the magnetic field from the electromagnetic induction source 162 from becoming noise. can be done.
  • the magnetic sensor 170 detects a magnetic field in which the magnetic field from the electromagnetic induction source 162 and the magnetic field from the magnetized susceptor 161 are superimposed when the electromagnetic induction source 162 is supplied with AC power.
  • the permission determination unit 181 compares the detection value of the magnetic sensor 170 with the magnetic field when the susceptor 161 does not exist in the internal space 141 of the holding unit 140, thereby determining the magnetic field generated by the susceptor 161. and the distance between the magnetic sensor 170 and the susceptor 161 can be determined.
  • the magnetic field when the susceptor 161 does not exist in the internal space 141 of the holding section 140 can be obtained by the following method.
  • the magnetic sensor 170 detects the magnetic field in a state in which the stick-shaped base material 150 is not held by the holding unit 140 and AC power is supplied to the electromagnetic induction source 162, so that only the electromagnetic induction source 162 is detected.
  • the generated magnetic field can be detected.
  • the magnetic sensor 170 can detect the magnetic field when the susceptor 161 does not exist within the internal space 141 .
  • the permission determination unit 181 determines the magnetic field generated by the susceptor 161 by comparing the magnetic field when the susceptor 161 exists in the internal space 141 and the magnetic field when the susceptor 161 does not exist in the internal space 141. can judge.
  • the opening 142 communicating with the internal space 141 of the holding portion 140 may be closed by the lid portion 174 .
  • the magnetic sensor 170 can detect the magnetic field generated by the electromagnetic induction source 162 in a state in which external influences are further eliminated. Further, since the magnetic field when the susceptor 161 does not exist in the internal space 141 of the holding unit 140 is used as a threshold for determination by the permission determination unit 181, it may be updated at a predetermined timing.
  • the notification determination unit 184 determines to notify the user to reinsert the stick-shaped substrate 150 into the suction device 100 when the heating of the stick-shaped substrate 150 is not permitted. If the heating of the stick-shaped base material 150 is not permitted, for example, the detection value of the magnetic sensor 170 is less than the threshold, and the stick-shaped base material 150 may not be properly held by the holding section 140 .
  • the notification determination unit 184 allows the user to re-insert the stick-shaped substrate 150 into the suction device 100 so that the stick-shaped substrate 150 is properly held by the holding unit 140 . According to this, after the stick-shaped base material 150 is reinserted into the suction device 100, the permission determination unit 181 again permits or disallows the heating of the stick-shaped base material 150 based on the detection result of the magnetic sensor 170. can determine whether
  • the permission determination unit 181 and the notification determination unit 184 may repeat the notification of re-insertion of the stick-shaped base material 150 and the determination of permission to heat the stick-shaped base material 150 . According to this, by making a determination to permit heating each time the stick-shaped base material 150 is reinserted, the notification determination unit 184 determines that the reason why the heating of the stick-shaped base material 150 is not permitted is the stick-shaped base material 150 itself. It is possible to judge whether or not there is an abnormality.
  • the notification determination unit 184 determines that there is an abnormality in the stick-shaped base material 150 itself. may be determined to be notified to the user. In such a case, the supply of AC power to electromagnetic induction source 162 may be stopped.
  • the type determination unit 182 determines the type of the stick-shaped base material 150 accommodated in the internal space 141 of the holding unit 140 based on the detection result of the magnetic sensor 170 .
  • a magnetic field generated by the susceptor 161 magnetized by the electromagnetic induction source 162 can vary depending on the shape or size of the susceptor 161 . Therefore, the type determination unit 182 can determine the type of the susceptor 161 (that is, the type of the stick-shaped substrate 150) from the magnetic field generated by the susceptor 161 included in the stick-shaped substrate 150.
  • the type determination unit 182 determines whether the stick-shaped base material 150 housed in the internal space 141 of the holding unit 140 is a genuine product based on the magnetic field generated by the susceptor 161 contained in the stick-shaped base material 150. can be judged. According to this, the permission determination unit 181 permits the heating of the stick-shaped base material 150 when it is determined that the stick-shaped base material 150 is a genuine product, and determines that the stick-shaped base material 150 is not a genuine product. heating of the stick-type substrate 150 may be disallowed when
  • the type determination unit 182 determines the product type of the stick-shaped base material 150 housed in the internal space 141 of the holding unit 140 based on the magnetic field generated by the susceptor 161 included in the stick-shaped base material 150. good. According to this, the suction device 100 changes the heating profile of the stick-shaped base material 150 by the profile determining section 183 described later according to the product type of the stick-shaped base material 150 determined by the type determining section 182. becomes possible.
  • the profile determination unit 183 determines the heating profile of the stick-shaped substrate 150 based on the product type of the stick-shaped substrate 150 determined by the type determination unit 182 . Specifically, the profile determination unit 183 may determine the heating profile of the stick-shaped base material 150 based on a table or the like in which the heating profile is set in advance for each product type of the stick-shaped base material 150 .
  • the suction device 100 can control power supply from the power supply unit 111 to the electromagnetic induction source 162 so that the susceptor 161 is induction-heated along the heating profile determined by the profile determination unit 183 .
  • the suction device 100 automatically sets a heating profile according to the product type of the stick-shaped base material 150 inserted into the internal space 141 of the holding part 140, and uses the set heating profile to create a stick-shaped base material. Substrate 150 can be heated. Therefore, the suction device 100 can provide the user with a more optimized suction experience for each product type of the stick-shaped substrate 150 .
  • FIG. 4 is a flow chart showing the overall flow of an operation example of the suction device 100. As shown in FIG.
  • the suction device 100 first detects whether or not the stick-shaped substrate 150 has been inserted into the internal space 141 of the holding portion 140 (S110). Whether or not the stick-shaped base material 150 is inserted can be detected, for example, by a capacitive proximity sensor provided near the opening 142 of the internal space 141 . If the insertion of the stick-shaped substrate 150 is not detected (S110/No), the suction device 100 waits until the stick-shaped substrate 150 is inserted into the internal space 141. FIG.
  • the control unit 116 controls the susceptor 161 included in the stick-shaped substrate 150 based on the detection result of the magnetic sensor 170. It is determined whether or not it is detected (S120). A specific method for detecting the susceptor 161 in the suction device 100 will be described later with reference to FIGS. 5 and 6. FIG.
  • the controller 116 permits the heating of the stick-shaped substrate 150 (S130). Subsequently, by supplying AC power to the electromagnetic induction source 162, the stick-shaped substrate 150 is heated by the induction-heated susceptor 161 (S140).
  • the control unit 116 increases the number of repetitions n of insertion of the stick-type base material 150 by 1 (S150), and then the number of repetitions n reaches the predetermined number of times n0 . It is determined whether or not it exceeds (S160).
  • the predetermined number of times n 0 is a threshold that indicates the upper limit of the number of attempts to reinsert the stick-shaped substrate 150 .
  • the control unit 116 notifies the user to re-insert the stick-shaped substrate 150 via the notification unit 113 or the like (S170). After that, the suction device 100 returns to the operation of step S100 and detects whether or not the stick-shaped substrate 150 has been inserted into the internal space 141 of the holding part 140 (S110).
  • the suction device 100 determines that the stick-shaped substrate 150 or the suction device 100 itself is in an abnormal state (S180). Thereafter, the suction device 100 notifies the user of the abnormal state via the notification unit 113 or the like (S190).
  • FIG. 5 is a flow chart for explaining the flow of the detection operation of the susceptor 161.
  • FIG. 6 is a timing chart showing the state of each component when the susceptor 161 is detected.
  • the control unit 116 supplies AC power to the electromagnetic induction source 162 for a short period of time (for example, several microseconds to several seconds) so that the internal space 141 of the holding unit 140 is to generate a varying magnetic field (S1201).
  • the suction device 100 acquires the detection result of the magnetic sensor 170 by detecting the magnetic field with the magnetic sensor 170 (S1202).
  • the electromagnetic induction source 162 when the electromagnetic induction source 162 is energized (t0) while the susceptor 161 is inserted into the internal space 141 of the holding portion 140, the electromagnetic wave from the electromagnetic induction source 162 is Due to induction, the susceptor 161 becomes magnetized with a delay (t1). After that, when the electromagnetic induction source 162 is switched from the energized state to the non-energized state (t2), the susceptor 161 becomes the non-magnetized state (t3) with a delay after the electromagnetic induction source 162 is switched to the non-energized state.
  • the magnetic sensor 170 can detect the magnetic field from the electromagnetic induction source 162 in the interval from t0 to t1. Further, in the interval from t1 to t2, the magnetic sensor 170 can detect a magnetic field in which the magnetic field from the electromagnetic induction source 162 and the magnetic field from the magnetized susceptor 161 are superimposed. Further, the magnetic sensor 170 can detect the residual magnetization of the susceptor 161 during the period from t2 to t3.
  • the detected value of the magnetic sensor 170 in the interval from t0 to t1 is less than the threshold
  • the detected value of the magnetic sensor 170 in the interval from t1 to t2 is equal to or greater than the threshold
  • the interval from t2 to t3 is equal to or greater than the threshold.
  • the magnetic sensor 170 may acquire the detection value in the interval from t2 to t3 as the detection result.
  • the control unit 116 determines whether or not the detection value of the magnetic sensor 170 is greater than or equal to the first threshold or the second threshold (S1203). If the detection value of the magnetic sensor 170 is equal to or greater than the first threshold value or the second threshold value (S1203/Yes), the control unit 116 causes the stick-shaped substrate 150 (that is, the susceptor 161) to move into the internal space of the holding unit 140. 141 is determined to have been inserted (S1204). As a result, the control unit 116 can determine that the susceptor 161 has been detected (S1205), and can subsequently perform the operation of step S130.
  • the control unit 116 may determine whether the detection value of the magnetic sensor 170 is equal to or greater than the first threshold after the electromagnetic induction source 162 is switched from the energized state to the non-energized state.
  • the first threshold may be a threshold corresponding to the magnetic field generated by the susceptor 161 when the susceptor 161 is in place.
  • a value detected by the magnetic sensor 170 after the electromagnetic induction source 162 is switched from the energized state to the non-energized state is the residual magnetization of the susceptor 161 . Therefore, the control unit 116 can determine whether the susceptor 161 exists at a predetermined position by comparing the detection value of the magnetic sensor 170 and the first threshold value.
  • the control unit 116 may determine whether the detection value of the magnetic sensor 170 is equal to or greater than the second threshold while the electromagnetic induction source 162 is in the energized state.
  • the second threshold may be a threshold corresponding to the magnetic field generated by the electromagnetic induction source 162 when the susceptor 161 is not present.
  • the detected value of the magnetic sensor 170 is the detected value of the magnetic field in which the magnetic field generated by the electromagnetic induction source 162 and the magnetic field generated by the susceptor 161 are superimposed. Therefore, the control unit 116 can determine whether the susceptor 161 exists at a predetermined position by comparing the detection value of the magnetic sensor 170 and the second threshold.
  • the second threshold can be set by the operation shown in FIG. 7, for example.
  • FIG. 7 is a flow chart showing the flow of operation for setting the second threshold indicating the magnitude of the magnetic field generated by the electromagnetic induction source 162.
  • the suction device 100 first determines whether or not the lid portion 174 is closed (S301). If the lid portion 174 is not in the closed state (S301/No), the suction device 100 waits for the progress of the operation of setting the second threshold value until the lid portion 174 is in the closed state. When the lid portion 174 is closed (S301/Yes), the suction device 100 determines that the susceptor 161 does not exist in the internal space 141 of the holding portion 140, and energizes the electromagnetic induction source 162 (S302).
  • the suction device 100 acquires the detection result of the magnetic field by the magnetic sensor 170 (S303). Since the detected value in step S303 is only the detected value of the magnetic field generated from the electromagnetic induction source 162, the suction device 100 uses the A magnetic field detection value can be set. Note that the above operation may be performed for each predetermined usage time or number of usages of the suction device 100 .
  • the control unit 116 controls the stick-shaped base material 150 (that is, the susceptor 161) to move into the internal space of the holding unit 140. 141 is not inserted (S1206). As a result, the control unit 116 can determine that the susceptor 161 is not detected (S1207), and can subsequently perform the operation of step S150.
  • the suction device 100 uses the magnetic sensor to determine whether or not the stick-shaped substrate 150 including the susceptor 161 is inserted into the predetermined position of the holding portion 140. More accurate detection is possible.
  • FIG. 8 is a flow chart for explaining the flow of a modification of the detection operation of the susceptor 161. As shown in FIG.
  • the control unit 116 supplies AC power to the electromagnetic induction source 162 for a short period of time (for example, several microseconds to several seconds) so that the internal space 141 of the holding unit 140 is to generate a varying magnetic field (S1201).
  • the suction device 100 acquires the detection result of the magnetic sensor 170 by detecting the magnetic field with the magnetic sensor 170 (S1202).
  • control unit 116 determines whether or not the detection value of the magnetic sensor 170 is greater than or equal to the first threshold or the second threshold (S1203).
  • the control unit 116 controls the stick-shaped base material 150 (that is, the susceptor 161) to move into the internal space of the holding unit 140. 141 is not inserted (S1206). As a result, the control unit 116 can determine that the susceptor 161 is not detected (S1207), and can subsequently perform the operation of step S150.
  • the control unit 116 controls the stick-shaped base material 150 (that is, the susceptor 161) to move toward the holding unit 140. It is determined that it has been inserted at a predetermined position in the internal space 141 (S1204). Thereby, the controller 116 can determine that the susceptor 161 has been detected (S1205).
  • control unit 116 determines whether the detected value V of the magnetic sensor 170 is included in the detected value range of the magnetic field generated by the susceptor 161 included in the genuine stick-shaped base material 150 (V 0 or more and V 1 or less). It is determined whether or not (S1211).
  • the controller 116 determines that the inserted stick-shaped base material 150 is a non-genuine product (S1216). Accordingly, the suction device 100 determines that the stick-type base material 150 is in an abnormal state (S1217), and notifies the user of the abnormal state through the notification unit 113 or the like (S1218). Thereafter, the suction device 100 skips steps S130 and S140 and ends the operation.
  • the control unit 116 determines that the inserted stick-shaped base material 150 is a genuine product (S1212).
  • control unit 116 determines whether the detection value V of the magnetic sensor 170 is more than V2 and less than or equal to V1 , or more than or equal to V0 and less than or equal to V2 (S1213).
  • V 2 is a value larger than V 0 and smaller than V 1 , and is a threshold value for distinguishing product types of the stick-shaped substrate 150 including the susceptor 161 .
  • the control unit 116 selects the first is selected (S1214). After that, the controller 116 can perform steps S130 and S140 to start heating the stick-shaped substrate 150 based on the first heating profile.
  • the control unit 116 selects the type of product corresponding to the inserted stick-shaped base material 150.
  • a second heating profile is selected (S1215). After that, the controller 116 can perform steps S130 and S140 to start heating the stick-shaped substrate 150 based on the second heating profile.
  • the suction device 100 according to the present embodiment can determine information regarding the stick-shaped substrate 150 inserted into the holding portion 140 based on the detection value of the magnetic sensor 170. can be done. Therefore, the suction device 100 according to the present embodiment can provide the user with a more comfortable suction experience by using information about the stick-shaped substrate 150 determined based on the detection value of the magnetic sensor 170.
  • the insertion of the stick-shaped substrate 150 into the internal space 141 of the holding portion 140 is not limited to the method described above, and may be determined based on the detection results of the first magnetic sensor 170A and the second magnetic sensor 170B. good.
  • the control portion 116 starts supplying AC power to the electromagnetic induction source 162 for a short period of time.
  • the control section 116 determines that the susceptor 161 is detected by the second magnetic sensor 170B provided on the opening 142 side. It can be determined that it exists in the internal space 141 of the holding part 140 .
  • the control portion 116 detects that the susceptor 161 is in the holding portion based on the detection result of the first magnetic sensor 170A provided on the bottom portion 143 side.
  • the suction device 100 can detect that the stick-shaped base material 150 exists in the internal space 141 of the holding part 140 without using a proximity sensor or the like for detecting the insertion of the stick-shaped base material 150. can.
  • the suction device 100 is not limited to the method described above, and may permit induction heating of the stick-shaped substrate 150 by the following method.
  • the suction device 100 repeatedly switches ON/OFF of the power supply to the electromagnetic induction source 162 in a state in which the susceptor 161 is not inserted into the holding portion 140, thereby supplying the electromagnetic induction source 162 with power.
  • a magnetic field is detected by the magnetic sensor 170 when the power supply is turned off.
  • the suction device 100 repeatedly turns ON/OFF the power supply to the electromagnetic induction source 162 while the susceptor 161 is inserted into the holding portion 140, thereby turning off the power supply to the electromagnetic induction source 162.
  • the magnetic field in the state of is detected by the magnetic sensor 170 .
  • the suction device 100 may determine that the susceptor 161 is placed at the predetermined position, and permit induction heating of the stick-shaped substrate 150 .
  • the suction device 100 is not limited to the above configuration, and may include two induction coils (electromagnetic induction sources 162).
  • the stick-shaped substrate 150 may have a susceptor 161 for heating the aerosol source and a susceptor 161 for detecting the position of the stick-shaped substrate 150 .
  • one of the two induction coils is provided correspondingly to the susceptor 161 for position detection of the stick-shaped substrate 150 .
  • the other of the two induction coils is provided corresponding to the susceptor 161 that heats the aerosol source of the stick-shaped substrate 150 .
  • the magnetic sensor 170 is provided inside one of the induction coils and at a position corresponding to the susceptor 161 for position detection.
  • one of the induction coils magnetizes the susceptor 161 for position detection, and the magnetic sensor 170 detects a magnetic field including the magnetic field generated by the susceptor 161 for position detection.
  • the controller 116 may allow the susceptor 161 that heats the aerosol source to heat the stick-shaped substrate 150 . Thereafter, DC power is supplied from the power supply unit 111 to the drive circuit 165 including the other side of the induction coil, thereby heating the susceptor 161 that heats the aerosol source.
  • a series of processes by each device described in this specification may be realized using any of software, hardware, or a combination of software and hardware.
  • Programs constituting software are stored in advance in a recording medium (non-transitory media) provided inside or outside each device, for example.
  • a program that constitutes software is, for example, read into a RAM when executed by a computer, and executed by a processor such as a CPU.
  • the recording medium storing the program may be, for example, a magnetic disk, an optical disk, a magneto-optical disk, or a flash memory.
  • the program may be distributed, for example, via a network without being stored in a recording medium.
  • a holder capable of accommodating an aerosol source and a substrate containing a susceptor in thermal proximity to the aerosol source in an internal space; an electromagnetic induction source that generates a varying magnetic field in the internal space using alternating current; a magnetic sensor for detecting a susceptor magnetic field generated by the susceptor magnetized by electromagnetic induction by the varying magnetic field; a control unit that switches whether to permit heating of the aerosol source based on the detection result of the magnetic sensor; a suction device.
  • the magnetic sensor detects the susceptor magnetic field generated by the susceptor magnetized by the varying magnetic field from the electromagnetic induction source when the alternating current supplied to the electromagnetic induction source has a current value of 0.
  • the control unit permits heating of the aerosol source when the detected value of the magnetic sensor is equal to or greater than a second threshold value indicating the magnitude of the varying magnetic field generated by the electromagnetic induction source, the above (2).
  • the holding part is provided in a cylindrical shape with an open upper surface, The suction device according to any one of (1) to (15) above, wherein the magnetic sensor is provided in the vicinity of the bottom surface facing the top surface of the holding portion. (17) Further comprising a sub magnetic sensor provided near the side surface of the cylindrical shape of the holding part, The suction device according to (16) above, wherein the control unit switches whether to permit heating of the aerosol source based on a detection result of at least one of the magnetic sensor and the sub magnetic sensor. (18) The suction device according to (17) above, wherein the sub-magnetic sensor is a magnetoresistive sensor. (19) The suction device according to any one of (1) to (18) above, wherein the magnetic sensor is a Hall element sensor.
  • a substrate having an aerosol source and a susceptor in thermal proximity to the aerosol source A holding unit capable of accommodating the base material in an internal space, an electromagnetic induction source that generates a varying magnetic field in the internal space using an alternating current, and a susceptor magnetic field generated by the susceptor magnetized by electromagnetic induction by the varying magnetic field is detected.
  • a suction device having a magnetic sensor, and a control unit that switches whether to permit heating of the aerosol source based on the detection result of the magnetic sensor; suction system, including
  • Reference Signs List 100 100A suction device 111 power supply unit 112 sensor unit 113 notification unit 114 storage unit 115 communication unit 116 control unit 140 holding unit 141 internal space 142 opening 143 bottom 150 stick-shaped substrate 151 substrate 152 mouthpiece 161 susceptor 162 electromagnetic induction Source 163 Inverter circuit 164 RLC circuit 165 Drive circuit 170 Magnetic sensor 170A First magnetic sensor 170B Second magnetic sensor 173 Thermal insulation unit 174 Lid unit 181 Permission determination unit 182 Type determination unit 183 Profile determination unit 184 Notification determination unit

Landscapes

  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)

Abstract

Le problème à résoudre par la présente invention est de fournir un dispositif d'aspiration qui permet une détection plus précise de la présence ou de l'absence ou de l'état d'insertion d'un substrat contenant un suscepteur à chauffer par induction, ainsi qu'un système d'aspiration. La solution selon l'invention concerne un dispositif d'aspiration comprenant : une unité de support qui peut loger, dans son espace intérieur, une source d'aérosol et un substrat contenant un suscepteur thermiquement à proximité de la source d'aérosol ; une source d'induction électromagnétique qui génère un champ magnétique fluctuant dans l'espace intérieur mentionné ci-dessus à l'aide d'un courant alternatif ; un capteur magnétique qui détecte un champ magnétique de suscepteur généré par le suscepteur magnétisé par induction électromagnétique en raison du champ magnétique fluctuant ; et une unité de contrôleur qui commute pour permettre ou non le chauffage de la source d'aérosol sur la base du résultat de détection par le capteur magnétique.
PCT/JP2021/034231 2021-09-17 2021-09-17 Dispositif d'aspiration et système d'aspiration WO2023042360A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559372A (en) * 1978-07-06 1980-01-23 Matsushita Electric Ind Co Ltd Electromagnetic cooking instrument
JPS6171582A (ja) * 1984-09-14 1986-04-12 株式会社東芝 誘導加熱調理器
DE102014214795A1 (de) * 2014-07-28 2016-01-28 E.G.O. Elektro-Gerätebau GmbH Verfahren und Vorrichtung zur Erkennung der Posititon eines Topfes an einem Induktionskochfeld
JP2017520234A (ja) * 2014-05-21 2017-07-27 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル形成基体およびエアロゾル送達システム
WO2021037403A1 (fr) * 2019-08-23 2021-03-04 Philip Morris Products S.A. Dispositif de génération d'aérosol doté de moyens de détection d'au moins l'une des actions suivantes : l'insertion d'un article de génération d'aérosol dans le dispositif et l'extraction d'un article de génération d'aérosol hors du dispositif

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559372A (en) * 1978-07-06 1980-01-23 Matsushita Electric Ind Co Ltd Electromagnetic cooking instrument
JPS6171582A (ja) * 1984-09-14 1986-04-12 株式会社東芝 誘導加熱調理器
JP2017520234A (ja) * 2014-05-21 2017-07-27 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム エアロゾル形成基体およびエアロゾル送達システム
DE102014214795A1 (de) * 2014-07-28 2016-01-28 E.G.O. Elektro-Gerätebau GmbH Verfahren und Vorrichtung zur Erkennung der Posititon eines Topfes an einem Induktionskochfeld
WO2021037403A1 (fr) * 2019-08-23 2021-03-04 Philip Morris Products S.A. Dispositif de génération d'aérosol doté de moyens de détection d'au moins l'une des actions suivantes : l'insertion d'un article de génération d'aérosol dans le dispositif et l'extraction d'un article de génération d'aérosol hors du dispositif

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