WO2022195869A1 - Dispositif d'aspiration, source d'induction électromagnétique, procédé de fabrication de source d'induction électromagnétique et système - Google Patents

Dispositif d'aspiration, source d'induction électromagnétique, procédé de fabrication de source d'induction électromagnétique et système Download PDF

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Publication number
WO2022195869A1
WO2022195869A1 PCT/JP2021/011472 JP2021011472W WO2022195869A1 WO 2022195869 A1 WO2022195869 A1 WO 2022195869A1 JP 2021011472 W JP2021011472 W JP 2021011472W WO 2022195869 A1 WO2022195869 A1 WO 2022195869A1
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WO
WIPO (PCT)
Prior art keywords
stacking direction
coil
substrate
electromagnetic induction
suction device
Prior art date
Application number
PCT/JP2021/011472
Other languages
English (en)
Japanese (ja)
Inventor
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.)
Filing date
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/JP2021/011472 priority Critical patent/WO2022195869A1/fr
Priority to EP21931615.5A priority patent/EP4233594A1/fr
Priority to JP2023506684A priority patent/JPWO2022195869A1/ja
Publication of WO2022195869A1 publication Critical patent/WO2022195869A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/44—Coil arrangements having more than one coil or coil segment
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present invention relates to a suction device, an electromagnetic induction source, and a method and system for manufacturing an electromagnetic induction source.
  • the suction device uses a base material including an aerosol source for generating an aerosol and a flavor source for imparting a flavor component to the generated aerosol to generate an aerosol imparted with a flavor component.
  • a user can enjoy the flavor by inhaling the flavor component-applied aerosol generated by the suction device.
  • the action of the user inhaling the aerosol is hereinafter also referred to as puffing or puffing action.
  • Patent Document 1 discloses the use of an existing coil as an electromagnetic induction source, it does not mention any technological improvement of the electromagnetic induction source itself.
  • an object of the present invention is to provide a mechanism relating to an electromagnetic induction source that is suitable for an induction heating type suction device.
  • a power supply unit for supplying electric power, a substrate containing an aerosol source, and a susceptor thermally adjacent to the aerosol source can be accommodated in an internal space. and an electromagnetic induction source that generates a varying magnetic field in the internal space using power supplied from the power supply unit, the electromagnetic induction source comprising: a plurality of laminated coil sheets; and one or more connection portions, wherein the coil sheet includes a substrate, a through hole penetrating the substrate in a stacking direction, and a first end portion and a second end portion surrounding the through hole. wherein the connecting portion is arranged on the coil sheet positioned above the stacking direction of the two coil sheets adjacent to each other in the stacking direction.
  • the second end portion of the conductor portion and the first end portion of the conductor portion disposed on the coil sheet located on the lower side in the stacking direction are electrically connected to each other.
  • An end portion is provided with a suction device electrically connected to the power supply.
  • the plurality of coil sheets may be arranged such that the through holes overlap in the stacking direction.
  • the electromagnetic induction source includes one or more first sealing portions, and the first sealing portions fill the gap between the two coil sheets adjacent to each other in the stacking direction more than the conductor portion. A side close to the through hole may be sealed.
  • the electromagnetic induction source includes at least one second sealing portion, and the second sealing portion fills the gap between the two coil sheets adjacent to each other in the stacking direction more than the conductor portion.
  • the side remote from the through hole may be sealed.
  • the accommodation portion may be arranged inside a space formed by the plurality of through holes stacked in the stacking direction.
  • the accommodating portion may be composed of a plurality of through-holes and one or more first sealing portions stacked in the stacking direction.
  • the conductor may have a plurality of conductive paths between the first end and the second end.
  • a plurality of the conductive paths may be arranged in parallel so as to be separated from each other in a direction orthogonal to the stacking direction.
  • the first end may be exposed upward in the stacking direction from the substrate, and the second end may be exposed downward in the stacking direction from the substrate.
  • the two coil sheets adjacent to each other in the stacking direction have the second end portion of the conductor portion disposed on the coil sheet located on the upper side in the stacking direction and the second end portion of the conductor portion located on the lower side in the stacking direction.
  • the first ends of the conductors arranged on the coil sheet may be arranged so as to substantially overlap in the stacking direction.
  • an electromagnetic induction source that generates a varying magnetic field using supplied electric power, comprising: a plurality of laminated coil sheets; and one or more connection portions, wherein the coil sheet includes a substrate, a through hole penetrating the substrate in a stacking direction, and a first end portion and a second end portion surrounding the through hole.
  • the connecting portion is arranged on the coil sheet positioned above the stacking direction of the two coil sheets adjacent to each other in the stacking direction.
  • the second end portion of the conductor portion and the first end portion of the conductor portion disposed on the coil sheet located on the lower side in the stacking direction are electrically connected to each other.
  • the first end of the coil sheet located on the uppermost side and the second end of the coil sheet located on the lowermost side in the stacking direction are electrically connected to a power source that supplies power
  • a connected source of electromagnetic induction is provided.
  • a manufacturing method for manufacturing an electromagnetic induction source that generates a varying magnetic field using supplied power, comprising: a substrate; A plurality of coil sheets each having a through-hole penetrating the substrate in the stacking direction, and a conductor portion having a first end portion and a second end portion as both ends and arranged in the substrate so as to surround the through-hole. laminating a plurality of the coil sheets in the lamination direction; The second end portion of the conductor portion and the first end portion of the conductor portion disposed on the coil sheet located on the lower side in the lamination direction are electrically connected by a connection portion. for all combinations of the two coil sheets adjacent to each other in the stacking direction.
  • a system comprising a suction device and a base material, the base material containing an aerosol source, the suction device a power supply unit that supplies the base material and the aerosol source, and a housing unit that can accommodate the susceptor that is in thermal proximity to the base material and the aerosol source in the internal space; an electromagnetic induction source for generating a magnetic field, wherein the electromagnetic induction source comprises a plurality of laminated coil sheets and one or more connecting portions, the coil sheet comprising a substrate and the substrate laminated together.
  • a system is provided in which the portion and the second end portion of the conductor portion arranged on the coil sheet located on the lowermost side in the stacking direction are electrically connected to the power supply portion.
  • FIG. 2 is a top view showing an example of the configuration of the coil sheet according to the present embodiment
  • 3 is a cross-sectional view showing an example of a cross section of the electromagnetic induction source according to the present embodiment, taken along line AA shown in FIG. 2
  • FIG. 3 is a cross-sectional view showing an example of a cross section taken along the line BB shown in FIG.
  • FIG. 3 is a cross-sectional view showing an example of a cross section taken along the line AA shown in FIG. 2 of the electromagnetic induction source according to the first modified example;
  • FIG. 3 is a cross-sectional view showing another example of the cross section of the electromagnetic induction source according to the first modified example taken along the line AA shown in FIG. 2;
  • FIG. 11 is a top view showing an example of the configuration of a coil sheet according to a second modified example;
  • FIG. 11 is a top view showing an example of two coil sheets adjacent in the stacking direction among a plurality of coil sheets included in an electromagnetic induction source according to a third modified example;
  • FIG. 12 is a cross-sectional view of the electromagnetic induction source according to the third modification, partly taken along the CC cutting line shown in FIG. 11;
  • Configuration example of suction device The suction device according to this configuration example generates an aerosol by heating a substrate including an aerosol source by induction heating (IH (Induction Heating)). This configuration example will be described below with reference to FIG.
  • IH Induction Heating
  • FIG. 1 is a schematic diagram schematically showing a configuration example of a suction device.
  • the suction device 100 includes a power supply unit 111, a sensor unit 112, a notification unit 113, a storage unit 114, a communication unit 115, a control unit 116, a susceptor 161, an electromagnetic induction source 162, and A retainer 140 is included.
  • the user performs suction while the stick-shaped substrate 150 is held by the holding portion 140 .
  • Each component will be described in order below.
  • the power supply unit 111 accumulates power.
  • the power supply unit 111 supplies electric power to each component of the suction device 100 .
  • the power supply unit 111 may be composed of, for example, a rechargeable 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 in a state of being disconnected from the device on the power transmission side by wireless power transmission technology. Alternatively, only the power supply unit 111 may be detached from the suction device 100 or may be replaced with a new power supply unit 111 .
  • the sensor unit 112 detects various information regarding the suction device 100 .
  • the sensor unit 112 then outputs the detected information to the control unit 116 .
  • the sensor unit 112 is configured by a pressure sensor such as a condenser microphone, a flow rate sensor, or a temperature sensor.
  • the sensor unit 112 detects a numerical value associated with the user's suction
  • the sensor unit 112 outputs information indicating that the user has performed suction to the control unit 116 .
  • the sensor unit 112 is configured by an input device, such as a button or switch, that receives information input from the user.
  • sensor unit 112 may include a button for instructing start/stop of aerosol generation.
  • the sensor unit 112 then outputs the information input by the user to the control unit 116 .
  • the sensor section 112 is configured by a temperature sensor that detects the temperature of the susceptor 161 .
  • a temperature sensor detects the temperature of the susceptor 161 based on the electrical resistance value of the electromagnetic induction source 162, for example.
  • the sensor section 112 may 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 is configured by a light-emitting device such as an LED (Light Emitting Diode).
  • the notification unit 113 emits light in different light emission patterns when the power supply unit 111 is in a charging required state, when the power supply unit 111 is being charged, when an abnormality occurs in the suction device 100, and the like.
  • 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 suction by the user is enabled is notified 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 the 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, total suction time, and the like.
  • 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 performs communication conforming to any wired or wireless communication standard.
  • a communication standard for example, wireless LAN (Local Area Network), wired LAN, Wi-Fi (registered trademark), Bluetooth (registered trademark), or the like can be adopted.
  • the communication unit 115 transmits information about suction by the user to the smartphone so that the smartphone displays information about suction by the user.
  • the communication unit 115 receives 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 is realized by an electronic circuit such as a CPU (Central Processing Unit) and a microprocessor.
  • the control unit 116 may 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, etc. that change as appropriate.
  • the suction device 100 executes various processes under the control of the controller 116 .
  • the holding part 140 has an internal space 141 and holds the stick-shaped base material 150 while 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 is a tubular body having an opening 142 and a bottom portion 143 as a bottom surface, and defines a columnar internal space 141 .
  • the holding part 140 is configured such that the inner diameter is smaller than the outer diameter of the stick-shaped base material 150 at least in part in the height direction of the cylindrical body, and holds the stick-shaped base material 150 inserted into the internal space 141.
  • the stick-shaped substrate 150 can be held by pressing from the outer periphery.
  • the retainer 140 also functions to define air flow paths through the stick-shaped substrate 150 .
  • An air inlet hole which is an inlet for air into the flow path, is arranged, for example, in the bottom portion 143 .
  • the air outflow hole which is the exit of air from such a channel, is the opening 142 .
  • 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 tobacco-derived, such as, for example, a processed product of cut tobacco or tobacco material formed into granules, sheets, or powder. Aerosol sources may also include non-tobacco sources made from plants other than tobacco, such as mints and herbs. By way of example, the aerosol source may contain perfume ingredients such as menthol. 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 may be, for example, polyhydric alcohols such as glycerin and propylene glycol, and liquids such as water. At least part of the base material part 151 is accommodated in the internal space 141 of the holding part 140 in a state in which 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 . Then, when the user holds the mouthpiece 152 protruding from the opening 142 and sucks, air flows into the inside of the holding part 140 from an air inlet hole (not shown). The air that has flowed in passes through the internal space 141 of the holding part 140 , that is, passes through the base material part 151 and reaches the inside of the user's mouth together with the aerosol generated from the base material part 151 .
  • the stick-type base material 150 includes a susceptor 161 .
  • the susceptor 161 generates heat by electromagnetic induction.
  • the susceptor 161 is made of a conductive material such as metal.
  • the susceptor 161 is a piece of metal.
  • a susceptor 161 is placed in close proximity to the aerosol source. In the example shown in FIG. 1, the susceptor 161 is included in the base portion 151 of the stick-shaped base 150 .
  • the susceptor 161 is 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 heat generated in the susceptor 161 is transferred to the aerosol source.
  • the susceptor 161 is contained in the substrate portion 151 along with the aerosol source and is surrounded by the aerosol source. With such a configuration, the heat generated from the susceptor 161 can be efficiently used to heat the aerosol source.
  • the susceptor 161 may not be accessible from the outside of the stick-shaped substrate 150 .
  • the susceptors 161 may be distributed in the central portion of the stick-shaped substrate 150 and not distributed near the periphery.
  • the electromagnetic induction source 162 causes the susceptor 161 to generate heat by electromagnetic induction.
  • the electromagnetic induction source 162 is composed of, for example, a coiled conductor wire, and is arranged so as to wrap around the outer periphery of the holding portion 140 .
  • the electromagnetic induction source 162 generates a magnetic field when alternating current is supplied from the power supply section 111 .
  • the electromagnetic induction source 162 is arranged at a position where the internal space 141 of the holding section 140 overlaps the generated magnetic field. Therefore, when a magnetic field is generated while the stick-shaped substrate 150 is held by the holding portion 140, an eddy current is generated in the susceptor 161 and Joule heat is generated.
  • the Joule heat heats the aerosol source contained in the stick-shaped substrate 150 and atomizes it to generate an aerosol.
  • power may be supplied and an aerosol may be generated when the sensor unit 112 detects that a predetermined user input has been performed.
  • the temperature of the stick-shaped substrate 150 induction-heated by the susceptor 161 and the electromagnetic induction source 162 reaches a predetermined temperature, the suction by the user becomes possible.
  • the power supply may be stopped.
  • power may be supplied and aerosol may be generated during a period in which the sensor unit 112 detects that the user has inhaled.
  • 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 holding part 140 may serve the function of the susceptor 161 .
  • the magnetic field generated by the electromagnetic induction source 162 generates an eddy current in the holding portion 140 and generates Joule heat.
  • the Joule heat heats the aerosol source contained in the stick-shaped substrate 150 and atomizes it to generate an aerosol.
  • the combination of the suction device 100 and the stick-shaped substrate 150 may be regarded as one system in that aerosol can be generated by combining the suction device 100 and the stick-shaped substrate 150 .
  • Induction heating is the process of heating a conductive object by penetrating a varying magnetic field into the object.
  • Induction heating involves a magnetic field generator that generates a fluctuating magnetic field, and a conductive heated object that is heated by being exposed to the fluctuating magnetic field.
  • An example of a varying magnetic field is an alternating magnetic field.
  • the electromagnetic induction source 162 shown in FIG. 1 is an example of a magnetic field generator.
  • the susceptor 161 shown in FIG. 1 is an example of the object to be heated.
  • the magnetic field generator and the object to be heated are arranged in relative positions such that the fluctuating magnetic field generated by the magnetic field generator penetrates into the object to be heated, when the fluctuating magnetic field is generated from the magnetic field generator, the object to be heated Eddy currents are induced.
  • Joule heat corresponding to the electrical resistance of the object to be heated is generated and the object to be heated is heated.
  • Such heating is also referred to as joule heating, ohmic heating, or resistance heating.
  • the object to be heated may have magnetism.
  • the object to be heated is further heated by magnetic hysteresis heating.
  • Magnetic hysteresis heating is the process of heating a magnetic object by impinging it with a varying magnetic field.
  • the magnetic dipoles contained in the magnetic body align along the magnetic field. Therefore, when a fluctuating magnetic field penetrates a magnetic material, the orientation of the magnetic dipole changes according to the applied fluctuating magnetic field. Due to such reorientation of the magnetic dipoles, heat is generated in the magnetic material, and the object to be heated is heated.
  • Magnetic hysteresis heating typically occurs at temperatures below the Curie point and does not occur at temperatures above the Curie point.
  • the Curie point is the temperature at which a magnetic material loses its magnetic properties. For example, when the temperature of an object to be heated which has ferromagnetism at a temperature below the Curie point exceeds the Curie point, the magnetism of the object to be heated undergoes a reversible phase transition from ferromagnetism to paramagnetism. When the temperature of the object to be heated exceeds the Curie point, magnetic hysteresis heating does not occur, so the rate of temperature increase slows down.
  • the object to be heated is made of a conductive material. Furthermore, it is desirable that the object to be heated is made of a ferromagnetic material. In the latter case, it is possible to increase the heating efficiency by combining resistance heating and magnetic hysteresis heating.
  • the object to be heated is made of one or more materials selected from a group of materials including aluminum, iron, nickel, cobalt, conductive carbon, copper, stainless steel, and the like.
  • the electromagnetic induction source 162 uses power supplied from the power supply unit 111 to generate a varying magnetic field.
  • the power supply unit 111 may be a DC (Direct Current) power supply. In that case, the power supply unit 111 supplies AC power to the electromagnetic induction source 162 via a DC/AC (Alternate Current) inverter. In that case, the electromagnetic induction source 162 can generate an alternating magnetic field.
  • DC Direct Current
  • AC Alternate Current
  • the holding part 140 is an example of an accommodating part capable of accommodating the stick-shaped substrate 150 and the susceptor 161 in the internal space 141 .
  • the electromagnetic induction source 162 uses power supplied from the power supply unit 111 to generate a varying magnetic field in the internal space 141 .
  • the susceptor 161 generates heat when a fluctuating magnetic field enters.
  • the electromagnetic induction source 162 shown in FIG. 1 is a solenoid coil.
  • the solenoid-type coil is arranged so that the conductive wire covers the outer periphery of the holding portion 140 . When a current is applied to the solenoid type coil, a magnetic field is generated in the central space surrounded by the coil, that is, the internal space 141 of the holding part 140 . As shown in FIG.
  • the susceptor 161 when the stick-shaped substrate 150 is held by the holding portion 140, the susceptor 161 is surrounded by the coil. Therefore, the fluctuating magnetic field generated by the electromagnetic induction source 162 enters the susceptor 161 and heats the susceptor 161 by induction.
  • a coil which is an electromagnetic induction source, can be a bottleneck in reducing the size of an induction heating type suction device. This is because the coil becomes long in the direction of the winding axis, and the coil occupies a considerable area of the suction device. On the other hand, it seems possible to reduce the size of the coil by shortening the conducting wires that make up the coil. However, if the conductor wire is shortened, the number of turns of the coil cannot be secured, and it may become difficult to generate a magnetic field strong enough to induction-heat the susceptor.
  • the method of manufacturing a coil by winding a conductive wire around a cylindrical winding shaft has limitations in terms of various aspects such as miniaturization and precision.
  • the present embodiment provides a mechanism for configuring the electromagnetic induction source 162 by stacking substrates provided with annular conductor tracks.
  • FIG. 2 is a perspective view schematically showing an example of the configuration of the electromagnetic induction source 162 according to this embodiment.
  • FIG. 3 is an exploded perspective view schematically showing an example of the configuration of the electromagnetic induction source 162 according to this embodiment.
  • FIG. 4 is a top view showing an example of the configuration of the coil sheet 10 according to this embodiment.
  • FIG. 5 is a cross-sectional view showing an example of a cross section of the electromagnetic induction source 162 according to the present embodiment taken along the line AA shown in FIG.
  • FIG. 6 is a cross-sectional view showing an example of a cross section of the electromagnetic induction source 162 according to the present embodiment taken along the line BB shown in FIG.
  • the electromagnetic induction source 162 has a plurality of laminated coil sheets 10 and one or more connecting portions 50 .
  • the electromagnetic induction source 162 has four coil sheets 10 (10A-10D) and three connection portions 50 (50A-50C).
  • the stacking direction is the direction in which the coil sheets 10 are stacked. One of the stacking directions is also referred to as top, and the other is also referred to as bottom.
  • the electromagnetic induction source 162 is incorporated into the suction device 100 such that the upper side in the stacking direction is the side closer to the opening 142 and the lower side in the stacking direction is the side farther from the opening 142 .
  • elements having substantially the same functional configuration may be distinguished by attaching different alphabets after the same reference numerals.
  • a plurality of elements having substantially the same functional configuration are distinguished like coil sheets 10A, 10B and 10C as required.
  • the coil sheets 10A, 10B and 10C are simply referred to as the coil sheet 10 when there is no particular need to distinguish between them.
  • the coil sheet 10 has a substrate 20, a through hole 30 penetrating the substrate 20 in the stacking direction, and a conductor portion 40.
  • the substrate 20 is a plate-like member.
  • the substrate 20 is made of an electrically insulating and flexible material.
  • the substrate 20 is configured in an arbitrary shape according to the shape of the housing that constitutes the outer shell of the suction device 100, the shape of the components stored around the electromagnetic induction source 162, and the like. That is, the substrate 20 is not limited to the rectangular shape shown in FIG. 4, and may have any shape such as a circular shape. Moreover, the shapes of the substrates 20 may be different among the laminated substrates 20 .
  • the conductor part 40 is composed of an arbitrary conductor such as copper.
  • the conductor part 40 may be formed by applying conductive ink on the substrate 20 and curing the ink.
  • Conductive inks include inks containing any substance having conductivity, such as silver nanoparticles.
  • the conductor portion 40 may be formed using a method such as vapor deposition or sputtering.
  • the conductor portion 40 has a first end portion 41 and a second end portion 42 and is arranged on the substrate 20 so as to surround the through hole 30 . In the example shown in FIG. 4, the conductor portion 40 has an annular conductive path 43 intermittent at one point.
  • the connecting portion 50 is arranged between two coil sheets 10 adjacent to each other in the stacking direction.
  • the connection portion 50 is connected to the second end portion 42 of the conductor portion 40 arranged on the coil sheet 10 located on the upper side in the stacking direction of the two coil sheets 10 adjacent to each other in the stacking direction, and the connection portion 50 on the lower side in the stacking direction.
  • the first end portion 41 of the conductor portion 40 arranged on the coil sheet 10 located on the side is electrically connected.
  • the connecting portion 50 is made of any conductor such as copper.
  • the connection portion 50A includes the second end portion 42A of the conductor portion 40A arranged on the coil sheet 10A and the first end portion 41B of the conductor portion 40B arranged on the coil sheet 10B. , are connected.
  • connection portion 50B connects the second end portion 42B of the conductor portion 40B arranged on the coil sheet 10B and the first end portion 41C of the conductor portion 40C arranged on the coil sheet 10C.
  • connection portion 50C connects the second end portion 42C of the conductor portion 40C arranged on the coil sheet 10C and the first end portion 41D of the conductor portion 40D arranged on the coil sheet 10D.
  • each of the plurality of annular conductive paths 43 provided in the plurality of laminated coil sheets 10 are connected to each other by the connection portions 50 at intermittent portions to form one coil. becomes possible.
  • the end portion 42 is electrically connected to the power supply portion 111 .
  • the first end portion 41A of the conductor portion 40A arranged on the coil sheet 10A and the second end portion 42B of the conductor portion 40D arranged on the coil sheet 10D are electrically connected to the power supply unit 111 .
  • the electromagnetic induction source 162 can generate a varying magnetic field using the AC power supplied from the power supply section 111 .
  • a substrate without the conductor portion 40 may be arranged above the coil sheet 10 positioned on the uppermost side in the stacking direction.
  • the conductor portion 40 provided on the coil sheet 10 located on the uppermost side in the stacking direction can be covered and protected by the substrate.
  • the plurality of coil sheets 10 are arranged such that the through holes 30 overlap in the stacking direction.
  • the through holes 30 formed in each of the plurality of coil sheets 10 are arranged so as to overlap each other in plan view. With such a configuration, it is possible to form a space 31 surrounded by the stacked through holes 30 .
  • the electromagnetic induction source 162 is incorporated in the suction device 100, the stick-shaped substrate 150 is inserted into the space 31 formed by the stacked through-holes 30, as shown in FIG.
  • the holding part 140 may be arranged inside a space 31 formed by a plurality of through holes 30 stacked in the stacking direction.
  • a holding portion 140 formed in a cylindrical shape is arranged so as to fit into the space 31 formed in a cylindrical shape.
  • the stick-shaped substrate 150 is inserted into the holding portion 140 from top to bottom in the stacking direction.
  • the stick-shaped base material 150 is removed from the holding part 140 from the bottom to the top in the stacking direction.
  • the shape of the through hole 30 is typically circular as shown in FIG.
  • the shape of through-hole 30 may be arbitrarily configured according to the outer shape of holding portion 140 arranged in space 31 .
  • the first end 41 is exposed upward in the stacking direction from the substrate 20 .
  • the second end 42 is exposed from the substrate 20 downward in the stacking direction. Specifically, the second end portion 42 penetrates the substrate 20 while the entire conductor portion 40 is arranged on the substrate 20 .
  • the second end portion 42 of the conductor portion 40 arranged on the upper coil sheet 10 and the second end portion 42 of the conductor portion 40 arranged on the lower coil sheet 10 are arranged. 40 can be easily connected to the first end 41 of 40 by the connecting portion 50 at the shortest distance.
  • the electromagnetic induction source 162 is configured. Therefore, by thinning the coil sheet 10 or thinning the conductor portion 40, it is possible to easily reduce the size of the electromagnetic induction source 162 while maintaining sufficient heating capacity by maintaining the number of turns of the coil. It becomes possible.
  • FIG. 7 is a flow chart showing an example of the flow of a manufacturing method for manufacturing the electromagnetic induction source 162 according to this embodiment.
  • Each step of the manufacturing method shown in this flow is executed, for example, by various manufacturing apparatuses installed in factories.
  • the manufacturing apparatus that performs each step may be different for each step.
  • one step may be executed by multiple types of manufacturing equipment.
  • the manufacturing apparatus first forms a plurality of coil sheets 10 (step S102). At that time, the manufacturing apparatus provides a through hole 30 in the substrate 20, and arranges the conductor portion 40 having a first end portion 41 and a second end portion 42 at both ends so as to surround the through hole 30. , forming each of the plurality of coil sheets 10 . Through this step, for example, the coil sheets 10A to 10D described with reference to FIGS. 2 to 6 are formed.
  • the manufacturing device stacks a plurality of coil sheets 10 in the stacking direction (step S104).
  • the manufacturing apparatus arranges the through holes 30 formed in each of the plurality of coil sheets 10 so as to overlap in the stacking direction.
  • the coil sheets 10A to 10D are laminated as shown in FIG.
  • the manufacturing apparatus provides the second end portion 42 of the conductor portion 40 arranged on the coil sheet 10 located on the upper side in the stacking direction of the two coil sheets 10 adjacent to each other in the stacking direction, and the second end portion 42 of the conductor portion 40 on the lower side in the stacking direction. All combinations of two adjacent coil sheets 10 in the stacking direction are electrically connected to the first end portions 41 of the conductor portions 40 arranged on the coil sheets 10 positioned in the stacking direction (step S106 ).
  • the conductor portions 40 of each of the combination of the coil sheet 10A and the coil sheet 10B, the combination of the coil sheet 10B and the coil sheet 10C, and the combination of the coil sheet 10C and the coil sheet 10D are electrically connected to each other. connected as a result, the electromagnetic induction source 162 shown in FIG. 2 and the like is manufactured.
  • the electromagnetic induction source 162 is manufactured by the manufacturing method described above. According to the manufacturing method described above, the electromagnetic induction source 162 can be manufactured by simply stacking the coil sheets 10 and electrically connecting the conductor portions 40 adjacent to each other in the stacking direction. Therefore, it is possible to manufacture the coil simply and precisely as compared with the method of manufacturing the coil by winding the conductive wire around the cylindrical winding shaft.
  • FIG. 8 is a cross-sectional view showing an example of a cross section taken along the line AA shown in FIG. 2 of the electromagnetic induction source 162 according to the present modification.
  • the electromagnetic induction source 162 may include one or more first seals 61 (61A-61C).
  • the first sealing portion 61 seals the gap between two coil sheets 10 adjacent in the stacking direction on the side closer to the through hole 30 than the conductor portion 40 .
  • the first sealing portion 61 may be configured in an annular shape and connect the through holes 30 formed in two coil sheets 10 adjacent to each other in the stacking direction. According to such a configuration, foreign matter such as aerosol generated from the stick-shaped base material 150 can be prevented from flowing from the inside of the through-hole 30 to the conductor portion 40 side. This makes it possible to prevent deterioration of the conductor portion 40 .
  • a space 31 formed by a plurality of through-holes 30 stacked in the stacking direction and one or more first sealing portions 61 may function as an internal space 141 of the holding portion 140 .
  • the holding portion 140 may be composed of a plurality of through holes 30 and one or more first sealing portions 61 stacked in the stacking direction. According to this configuration, it is not necessary to separately arrange the holding portion 140 in the space 31, so that the suction device 100 can be further miniaturized.
  • FIG. 9 is a cross-sectional view showing another example of the cross section taken along the line AA shown in FIG. 2 of the electromagnetic induction source 162 according to this modification.
  • electromagnetic induction source 162 may include one or more second seals 62 (62A-62C).
  • the second sealing portion 62 seals the gap between the two coil sheets 10 adjacent in the stacking direction on the side farther from the through hole 30 than the conductor portion 40 .
  • the first sealing portion 61 is configured in an annular shape and arranged so as to cover the outer periphery of the conductor portion 40 . According to such a configuration, foreign matter such as dust and water droplets can be prevented from flowing from the outside of the electromagnetic induction source 162 to the conductor portion 40 side. This makes it possible to prevent deterioration of the conductor portion 40 .
  • the electromagnetic induction source 162 may have both the first sealing portion 61 and the second sealing portion 62 .
  • FIG. 10 is a top view showing an example of the configuration of the coil sheet 10 according to this modified example.
  • the conductor portion 40 may have a plurality of conductive paths 43 between the first end portion 41 and the second end portion 42 .
  • the conductor portion 40 has two conductive paths 43, a conductive path 43-1 and a conductive path 43-2.
  • a plurality of conductive paths 43 may be arranged in parallel so as to be separated from each other in a direction orthogonal to the stacking direction.
  • each of the conductive path 43-1 and the conductive path 43-2 is formed in an annular shape and arranged in parallel in the radial direction of the through hole 30.
  • FIG. 10 is a top view showing an example of the configuration of the coil sheet 10 according to this modified example.
  • the conductor portion 40 may have a plurality of conductive paths 43 between the first end portion 41 and the second end portion 42 .
  • the conductor portion 40 has two conductive paths 43, a conductive path 43-1 and a conductive path 43-2.
  • FIG. 11 is a top view showing an example of two adjacent coil sheets 10 in the stacking direction among the plurality of coil sheets 10 included in the electromagnetic induction source 162 according to this modification. It is assumed that the coil sheet 10B is laminated under the coil sheet 10A.
  • FIG. 12 is a sectional view of the coil sheet 10A and the coil sheet 10B extracted from the section of the electromagnetic induction source 162 according to the present modification taken along the CC section line shown in FIG.
  • two coil sheets 10 adjacent in the stacking direction are composed of a second end portion 42A of a conductor portion 40A disposed on the coil sheet 10A located on the upper side in the stacking direction, and a second end portion 42A of the conductor portion 40A. and the first end portion 41B of the conductor portion 40B arranged on the coil sheet 10B positioned below the are arranged so as to substantially overlap in the stacking direction.
  • the second end 42A and the first end 41B are arranged to overlap each other in plan view.
  • substantially overlapping in the stacking direction means that at least a portion of the second end portion 42A and at least a portion of the first end portion 41B overlap in the stacking direction.
  • the first end portion 41B is positioned directly below the second end portion 42A. Therefore, in this modification, compared with the example shown in FIG. 6, the length of the connection part 50 can be shortened.
  • the second end portion 42A and the first end portion 41B can be easily connected by, for example, welding. Therefore, in this modified example, the electromagnetic induction source 162 can be manufactured more easily than the example shown in FIG.
  • the conductor part 40 is arranged on the substrate 20
  • the conductor portion 40 may be embedded inside the substrate 20 . Even in that case, the first end portion 41 may be exposed from the substrate 20 upward in the stacking direction, and the second end portion 42 may be exposed from the substrate 20 downward in the stacking direction.
  • the susceptor 161 may be formed in an elongated shape such as a rod shape, a cylinder shape, or a plate shape.
  • the susceptor 161 is desirably arranged in the center of the base member 151 along the longitudinal direction of the base member 151 .
  • the susceptor 161 that generates high heat by induction heating is arranged in the center of the base material portion 151, so it is possible to generate an aerosol in a short time after the start of heating.
  • susceptors 161 formed in a plurality of types of shapes may be mixed in base material portion 151 .
  • the present invention is not limited to this example. That is, the susceptor 161 can be placed at any location where the susceptor 161 is in thermal proximity to the aerosol source.
  • the susceptor 161 may be configured in a blade shape and arranged to protrude from the bottom portion 143 of the holding portion 140 into the internal space 141 . Then, when the stick-shaped base material 150 is inserted into the holding part 140, the blade-shaped susceptor 161 may be inserted so as to pierce the base part 151 from the end of the stick-shaped base material 150 in the insertion direction.
  • the susceptor 161 may be arranged on the inner wall of the holding part 140 forming the inner space 141 .
  • one electromagnetic induction source 162 is incorporated in the suction device 100
  • the present invention is not limited to such an example.
  • Multiple electromagnetic induction sources 162 may be incorporated into the suction device 100 .
  • the electromagnetic induction source 162 is incorporated into the suction device 100 so that the upper side in the stacking direction is the side closer to the opening 142 and the lower side in the stacking direction is the side farther from the opening 142 .
  • the invention is not limited to such examples.
  • the electromagnetic induction source 162 may be incorporated into the suction device 100 such that the upper side in the stacking direction is the side farther from the opening 142 and the lower side in the stacking direction is the side closer to the opening 142 .
  • the conductor portion 40 positioned closest to the opening 142 (that is, the bottom layer) is covered with the substrate 20 when viewed from the opening 142 side, so that the conductor portion 40 can be protected.
  • the conductor portion 40 positioned closest to the opening 142 that is, the bottom layer
  • a series of processes by each device described in this specification may be implemented using software, hardware, or a combination of software and hardware.
  • Programs that make up the software are stored in advance in, for example, recording media (non-transitory media) provided inside or outside each device.
  • Each program for example, is read into a RAM when executed by a computer that controls each device described in this specification, and is executed by a processor such as a CPU.
  • the recording medium is, for example, a magnetic disk, an optical disk, a magneto-optical disk, a flash memory, or the like.
  • the above computer program may be distributed, for example, via a network without using a recording medium.
  • a power supply unit that supplies electric power
  • a housing portion capable of housing a substrate containing an aerosol source and a susceptor thermally adjacent to the aerosol source in an internal space
  • an electromagnetic induction source that generates a varying magnetic field in the internal space using power supplied from the power supply
  • the electromagnetic induction source is a plurality of laminated coil sheets
  • one or more connections with The coil sheet is a substrate; a through hole penetrating the substrate in the stacking direction; a conductor having a first end and a second end and disposed on the substrate so as to surround the through hole; has
  • the connection portion includes the second end portion of the conductor portion disposed on the coil sheet located on the upper side in the stacking direction of the two coil sheets adjacent to each other in the stacking direction, and the second end portion in the stacking direction.
  • the first end portion of the conductor portion arranged on the coil sheet located on the lower side The first end portion of the conductor portion arranged on the coil sheet positioned on the uppermost side in the lamination direction, and the conductor portion arranged on the coil sheet positioned on the lowermost side in the lamination direction. the second end is electrically connected to the power source; suction device.
  • the plurality of coil sheets are arranged such that the through holes overlap in the stacking direction.
  • the electromagnetic induction source includes one or more first seals, The first sealing portion seals a gap between the two coil sheets adjacent to each other in the stacking direction on a side closer to the through hole than the conductor portion.
  • the electromagnetic induction source includes one or more second seals, The second sealing portion seals a gap between the two coil sheets adjacent to each other in the stacking direction on a side farther from the through hole than the conductor portion.
  • the housing portion is arranged inside a space formed by the plurality of through holes stacked in the stacking direction, The suction device according to any one of (2) to (4) above.
  • the housing portion is configured by a plurality of the through holes and one or more of the first sealing portions stacked in the stacking direction, The suction device according to (3) above.
  • the conductor portion has a plurality of conductive paths between the first end and the second end, The suction device according to any one of (1) to (6) above.
  • the plurality of conductive paths are arranged in parallel so as to be separated in a direction orthogonal to the stacking direction,
  • the suction device according to (7) above. (9) the first end exposed upward in the stacking direction from the substrate; wherein the second end is exposed downward from the substrate in the stacking direction;
  • the two coil sheets adjacent to each other in the stacking direction have the second end portion of the conductor portion disposed on the coil sheet located on the upper side in the stacking direction and the second end portion of the conductor portion located on the lower side in the stacking direction.
  • the first ends of the conductors arranged on the coil sheet are arranged so as to substantially overlap in the stacking direction,
  • the suction device according to any one of (1) to (8) above.
  • An electromagnetic induction source that uses supplied power to generate a varying magnetic field, a plurality of laminated coil sheets; one or more connections; with The coil sheet is a substrate; a through hole penetrating the substrate in the stacking direction; a conductor having a first end and a second end and disposed on the substrate so as to surround the through hole; has The connection portion includes the second end portion of the conductor portion disposed on the coil sheet located on the upper side in the stacking direction of the two coil sheets adjacent to each other in the stacking direction, and the second end portion in the stacking direction.
  • a manufacturing method for manufacturing an electromagnetic induction source that uses supplied power to generate a varying magnetic field, comprising: a substrate, a through hole penetrating through the substrate in a stacking direction, and a conductor having a first end portion and a second end portion as both ends and arranged in the substrate so as to surround the through hole.
  • a method of manufacturing an electromagnetic induction source comprising: (13) A system comprising a suction device and a substrate, the substrate contains an aerosol source; The suction device is a power supply unit that supplies electric power; a housing portion capable of housing a susceptor in thermal proximity to the substrate and the aerosol source in an internal space; an electromagnetic induction source that generates a varying magnetic field in the internal space using power supplied from the power supply; with The electromagnetic induction source is a plurality of laminated coil sheets; one or more connections; with The coil sheet
  • 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 10 Coil sheet 20 Substrate 30 Through hole 31 Space 40 Conductor 41 First end 42 Second end 43 Conductive path 50 Connecting part 61 First sealing part 62 Second sealing part

Abstract

L'invention concerne une source d'induction électromagnétique appropriée pour un dispositif d'aspiration de type à chauffage par induction. La présente invention est un dispositif d'aspiration pourvu d'une source d'induction électromagnétique, ledit dispositif comprenant : une pluralité de feuilles de bobine (1) qui sont stratifiées ; et au moins une partie de liaison. Chacune des feuilles de bobine a un substrat, un trou traversant pénétrant à travers le substrat dans la direction de stratification, et une partie conducteur qui a une première extrémité et une seconde extrémité représentant les deux extrémités, et se trouve disposée sur le substrat de façon à entourer le trou traversant. La partie de liaison connecte électriquement deux feuilles de bobine adjacentes dans la direction de stratification, de telle sorte que la seconde extrémité du conducteur disposée sur la feuille de bobine positionnée au-dessus dans la direction de stratification et la première extrémité du conducteur disposée sur la feuille de bobine positionnée en dessous dans la direction de stratification se trouvent électriquement connectées.
PCT/JP2021/011472 2021-03-19 2021-03-19 Dispositif d'aspiration, source d'induction électromagnétique, procédé de fabrication de source d'induction électromagnétique et système WO2022195869A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2021/011472 WO2022195869A1 (fr) 2021-03-19 2021-03-19 Dispositif d'aspiration, source d'induction électromagnétique, procédé de fabrication de source d'induction électromagnétique et système
EP21931615.5A EP4233594A1 (fr) 2021-03-19 2021-03-19 Dispositif d'aspiration, source d'induction électromagnétique, procédé de fabrication de source d'induction électromagnétique et système
JP2023506684A JPWO2022195869A1 (fr) 2021-03-19 2021-03-19

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PCT/JP2021/011472 WO2022195869A1 (fr) 2021-03-19 2021-03-19 Dispositif d'aspiration, source d'induction électromagnétique, procédé de fabrication de source d'induction électromagnétique et système

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0323175B2 (fr) 1987-09-14 1991-03-28 Boc Group Inc
WO2012033136A1 (fr) * 2010-09-09 2012-03-15 Tdk株式会社 Composant électronique stratifié équipé d'une bobine d'inductance
WO2015152333A1 (fr) * 2014-04-03 2015-10-08 株式会社村田製作所 Composant de bobine stratifié, composant de module et procédé de fabrication de composant de bobine stratifié
JP2020512657A (ja) * 2017-03-31 2020-04-23 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッドＢｒｉｔｉｓｈ Ａｍｅｒｉｃａｎ Ｔｏｂａｃｃｏ （Ｉｎｖｅｓｔｍｅｎｔｓ） Ｌｉｍｉｔｅｄ 誘導コイル構成体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0323175B2 (fr) 1987-09-14 1991-03-28 Boc Group Inc
WO2012033136A1 (fr) * 2010-09-09 2012-03-15 Tdk株式会社 Composant électronique stratifié équipé d'une bobine d'inductance
WO2015152333A1 (fr) * 2014-04-03 2015-10-08 株式会社村田製作所 Composant de bobine stratifié, composant de module et procédé de fabrication de composant de bobine stratifié
JP2020512657A (ja) * 2017-03-31 2020-04-23 ブリティッシュ アメリカン タバコ （インヴェストメンツ） リミテッドＢｒｉｔｉｓｈ Ａｍｅｒｉｃａｎ Ｔｏｂａｃｃｏ （Ｉｎｖｅｓｔｍｅｎｔｓ） Ｌｉｍｉｔｅｄ 誘導コイル構成体

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