WO2024004214A1 - Dispositif de génération d'aérosol et système de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol et système de génération d'aérosol Download PDF

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Publication number
WO2024004214A1
WO2024004214A1 PCT/JP2022/026502 JP2022026502W WO2024004214A1 WO 2024004214 A1 WO2024004214 A1 WO 2024004214A1 JP 2022026502 W JP2022026502 W JP 2022026502W WO 2024004214 A1 WO2024004214 A1 WO 2024004214A1
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WO
WIPO (PCT)
Prior art keywords
region
heat conduction
heating
aerosol
suppressing element
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Application number
PCT/JP2022/026502
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English (en)
Japanese (ja)
Inventor
宣弘 竜田
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/JP2022/026502 priority Critical patent/WO2024004214A1/fr
Publication of WO2024004214A1 publication Critical patent/WO2024004214A1/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 an aerosol generation device and an aerosol generation system.
  • a suction device can generate an aerosol by heating an aerosol source. Thereby, the user can enjoy the flavor of the aerosol by sucking the aerosol generated by the suction device.
  • Patent Document 1 listed below discloses a device for heating smokable material that suppresses conduction of heat to the casing by providing a heat insulating area whose inside is evacuated.
  • the inner wall that defines the heating zone that accommodates the article containing the smokable material extends outside the heating zone, so that the heat for heating the article is transmitted along the inner wall. There was a possibility of leakage outside the heating zone.
  • a housing space that houses an aerosol-generating substrate including an aerosol source, and a housing that extends along the housing space and heats the aerosol-generating substrate.
  • a heating section the heating section includes a heating region provided in an extending direction of the heating section, and an extending region provided as a region different from the heating region in the extending direction of the heating section;
  • An aerosol generation device is provided, comprising: a heat conduction suppressing element that is provided between the heating region and the extension region, and has a smaller amount of heat conduction per unit time than the heating region and the extension region.
  • the heat conduction suppressing element may include a thin portion provided in the heating section.
  • the extension region includes a first extension region provided at one end of the heating region, and a second extension region provided at the other end of the heating region, and the heat conduction suppressing element includes:
  • the method may include a first heat conduction suppressing element provided between the first extending region and the heating region, and a second heat conduction suppressing element provided between the second extending region and the heating region. good.
  • the amount of heat conduction per unit time of the first heat conduction suppressing element may be different from the amount of heat conduction per unit time of the second heat conduction suppressing element.
  • the first heat conduction suppressing element and the second heat conduction suppressing element may differ from each other in at least one of the width in the extending direction, the area of the included thin part, or the amount of digging. .
  • the amount of heat conduction per unit time of the first heat conduction suppressing element may be smaller than the amount of heat conduction per unit time of the second heat conduction suppressing element.
  • the heating region may be provided corresponding to at least a portion of a filling region of the aerosol generating substrate filled with the aerosol source.
  • the aerosol-generating base material may further include an unfilled region different from the filled region, and the extended region may be provided corresponding to at least a portion of the unfilled region.
  • the heating section may be provided on an inner surface of a cylindrical member that includes the housing space.
  • the heat conduction suppressing element may be provided in an annular shape along the circumferential direction of the cylindrical member.
  • the cylindrical member may have a vacuum insulation structure, and the heating section may be induction heated by a fluctuating magnetic field.
  • the heat conduction suppressing element includes a thin section provided in the heating section, and the thin section is formed by thinning the heating section from a side opposite to a side facing the accommodation space. Good too.
  • the heat conduction suppressing element may be made of a material having a lower thermal conductivity than at least one of the heating region or the extension region.
  • the present invention includes an aerosol generation base material including an aerosol source, and an aerosol generation device that heats the aerosol generation base material
  • the aerosol generation device comprises a housing space that accommodates the aerosol-generating base material, and a heating part that extends along the housing space and heats the aerosol-generating base material, and the heating part is arranged in an extension of the heating part.
  • a heating region provided in the heating region, an extending region provided in the extending direction of the heating section as a region different from the heating region, and a heating region provided between the heating region and the extending region; and a heat conduction suppressing element that conducts less heat per unit time than the extension area.
  • FIG. 1 is a schematic diagram showing a configuration example of a suction device according to an embodiment of the present invention. It is a typical sectional view showing the composition of the holding part with which a suction device is provided.
  • FIG. 2 is a schematic diagram showing an example of the configuration of a stick-type base material.
  • FIG. 3 is an explanatory diagram showing the appearance and cross section of a holding part according to a first specific example.
  • FIG. 7 is an explanatory diagram showing the appearance and cross section of a holding part according to a second specific example.
  • It is a schematic diagram which shows an example of the 1st modification of a 1st heat conduction suppression element and a 2nd heat conduction suppression element.
  • It is a schematic diagram which shows the other example of the 1st modification of a 1st heat conduction suppression element and a 2nd heat conduction suppression element.
  • It is a typical sectional view showing the composition of the holding part concerning the 2nd modification.
  • FIG. 1 is a schematic diagram showing a configuration example of a suction device 100 according to the present embodiment.
  • the suction device 100 includes, for example, a power supply section 111, a sensor section 112, a notification section 113, a storage section 114, a communication section 115, a control section 116, an electromagnetic induction source 162, A holding part 140 is provided.
  • the suction device 100 performs induction heating (IH) on the stick-type base material 150 including the aerosol source while holding the stick-type base material 150 in the holding part 140.
  • IH induction heating
  • the aerosol source included in the stick-type base material 150 is atomized to generate an aerosol from the stick-type base material 150, and the generated aerosol is inhaled by the user.
  • the suction device 100 and the stick-type base material 150 cooperate to generate an aerosol that is suctioned by the user. Therefore, the combination of the suction device 100 and the stick-type base material 150 can be regarded as an aerosol generation 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 configured by, for example, a rechargeable and dischargeable 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. Further, the power supply unit 111 may be charged by a power transmission device that is not directly connected using wireless power transmission technology. Furthermore, the power supply unit 111 may be provided to be detachable from the suction device 100, or may be provided to be replaceable with a new power supply unit 111.
  • the sensor unit 112 detects various information regarding 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 rate sensor, or a temperature sensor. In such a case, when the sensor unit 112 detects a numerical value associated with suction by the user, it can output information indicating that suction has been performed by the user to the control unit 116.
  • the sensor unit 112 may be configured with an input device such as a button or a switch that accepts information input from the user, and may include a button for instructing to start/stop the generation of aerosol, for example. Good too.
  • 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 a heat generating section that heats the stick-type base material 150.
  • the temperature sensor may detect the temperature of the heat generating portion based on the electrical resistance value of the electromagnetic induction source 162, for example.
  • the sensor section 112 can detect the temperature of the stick-shaped base material 150 held by the holding section 140 based on the temperature of the heat generating section.
  • the notification unit 113 notifies the user of information.
  • the notification unit 113 may be configured with a light emitting device such as an LED (Light Emitting Diode). According to this, the notification unit 113 emits different light emission patterns when the power supply unit 111 requires charging, when the power supply unit 111 is charging, or when an abnormality occurs in the suction device 100. Can emit light.
  • the light emission pattern here is a concept that includes color, timing of turning on/off, and the like.
  • the notification unit 113 may be configured with 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 in place of the light emitting device.
  • the notification unit 113 may notify information indicating that suction by the user is now possible. Information indicating that suction by the user is now possible is notified to the user, for example, when the temperature of the stick-shaped base material 150 that has been subjected to induction heating 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 nonvolatile storage medium such as a 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.
  • Another example of the information stored in the storage unit 114 is information related to suction by the user, such as the number of suctions, the time of suction, or the cumulative 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 based on 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 may be adopted.
  • the communication unit 115 may transmit information regarding suction by the user to the smartphone in order to display the information regarding suction by the user on the smartphone.
  • the communication unit 115 may receive new OS information from a 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 overall operations within the suction device 100 according to various programs.
  • the control unit 116 may be realized by, for example, an electronic circuit such as a CPU (Central Processing Unit) or a microprocessor. Further, the control unit 116 may include a ROM (Read Only Memory) that stores programs to be used, calculation parameters, etc., and a RAM (Random Access Memory) that temporarily stores parameters that change as appropriate.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • control unit 116 may control execution of various processes related to the operation of the suction device 100.
  • the control unit 116 may feed power from the power supply unit 111 to other components, charge the power supply unit 111, detect information by the sensor unit 112, notify information by the notification unit 113, store information by the storage unit 114, or Execution of processing such as reading and transmission and reception of information by the communication unit 115 may be controlled.
  • the control unit 116 can also control the input of information to each component and the execution of processing based on information output from each component, which are executed by the suction device 100.
  • the holding part 140 has a housing space 141 and an opening 142 that communicates the housing space 141 with the outside, and holds the stick-shaped base material 150 inserted into the housing space 141 from the opening 142.
  • the holding portion 140 may have a cylindrical shape with the opening 142 and the bottom portion 143 as the bottom surface and the columnar accommodation space 141 defined on the side surface.
  • the holding part 140 has an inner diameter smaller than the outer diameter of the stick-type base material 150 in at least a part of the height direction of the cylindrical shape, so that the stick-type base material 150 inserted into the accommodation space 141 can be held in the holding part 140. It can be held by pressing from the outer periphery.
  • the holding portion 140 also has the function of defining an air flow path through the stick-type base material 150.
  • An air inflow hole which is an inlet of air into the flow path, is arranged at the bottom 143, for example.
  • the air outlet hole, which is the outlet of the air from the flow path, is the opening 142.
  • a part of the holding section 140 also functions as a heat generating section.
  • the holding part 140 facing the accommodation space 141 is made of a material that generates heat due to electromagnetic induction from the electromagnetic induction source 162
  • the holding part 140 may be heated by induction heating from the electromagnetic induction source 162 to prevent the stick-shaped base material from being heated. It is possible to heat 150.
  • the aerosol source is not limited to solids, but may be, for example, polyhydric alcohols such as glycerin and propylene glycol, and liquids such as water.
  • the area of the stick-type base material 150 that includes the aerosol source is accommodated in the accommodation space 141 of the holding part 140 while the stick-type base material 150 is held by the holding part 140 .
  • the stick-shaped base material 150 protrudes from the opening 142 in a state where the stick-shaped base material 150 is held by the holding part 140.
  • the electromagnetic induction source 162 is provided further outside the holding part 140 along the insertion direction of the stick-type base material 150.
  • the electromagnetic induction source 162 can generate a fluctuating magnetic field at a position overlapping a part of the holding section 140 by being supplied with alternating current from the power supply section 111 .
  • the electromagnetic induction source 162 can generate Joule heat in the holding part 140 by causing the holding part 140, which functions as a heat generating part, to generate an eddy current by electromagnetic induction.
  • the electromagnetic induction source 162 can cause the holding section 140, which functions as a heat generating section, to generate heat by generating hysteresis loss due to electromagnetic induction.
  • the heat generated in the holding part 140 generates aerosol by heating the aerosol source included in the stick-type base material 150.
  • the suction device 100 supplies power to the electromagnetic induction source 162 and heats the aerosol source included in the stick-shaped base material 150 by induction. , may generate an aerosol.
  • the suction device 100 allows suction by the user.
  • the suction device 100 may stop supplying power to the electromagnetic induction source 162.
  • the suction device 100 may, for example, supply power to the electromagnetic induction source 162 and generate an aerosol during a period when the sensor unit 112 detects that the user has performed suction.
  • the holding section 140 has a partial region that functions as a heat generating section, and a heat conduction suppressing element that suppresses the heat generated in the partial region from leaking to other regions.
  • the heat conduction suppressing element is a partial region that functions as a heat generating portion, or a region in which the amount of heat conduction per unit time is smaller than that of other regions other than the partial region. According to this, the suction device 100 can suppress the heat generated in a partial area of the holding part 140 that functions as a heat generating part from leaking to other areas of the holding part 140, so that the suction device 100 generates an aerosol. energy efficiency can be further improved.
  • FIG. 2 is a schematic cross-sectional view showing the configuration of the holding section 140 included in the suction device 100.
  • the holding portion 140 is provided by joining a first member 171 and a second member 172 to each other.
  • the first member 171 has a cylindrical structure whose inner surface faces the accommodation space 141 that accommodates the stick-shaped base material 150.
  • the first member 171 functions as a susceptor that heats the stick-type base material 150, and is therefore made of a material that can be heated inductively by a fluctuating magnetic field.
  • the first member 171 may be made of a ferromagnetic material such as iron, nickel, or cobalt that is relatively easily heated by induction, or may be made of an alloy or compound mainly made of these ferromagnetic materials. .
  • the second member 172 has a cylindrical structure that covers the first member 171 and forms a sealed space 173 between the second member 172 and the outer surface of the first member 171 .
  • the inside of the sealed space 173 is, for example, a vacuum space of 10 ⁇ 2 Pa or less.
  • the holding part 140 can suppress conduction of heat from the first member 171 on the inner surface to the second member 172 on the outer surface by vacuum insulation of the sealed space 173.
  • the second member 172 may be made of any material as long as it can be joined to the first member 171.
  • the first member 171 and the second member 172 form a sealed space 173 by being joined to each other at joints 174 at both ends of each cylindrical structure. Specifically, in the joint portion 174, both ends of the cylindrical structure of the second member 172 are bent twice so that a step is formed toward the outer surface of the first member 171, and the formed step is bent twice. The tip end is joined to the outer surface of the first member 171. Thereby, a sealed space 173 is formed between the first member 171 and the second member 172 in a cylindrical shape so as to cover the first member 171.
  • the holding part 140 is a heat generating part that is in close contact with the first member 171 and the stick-shaped base material 150. It is possible to further improve the quality.
  • Such a joint 174 can be formed, for example, by the following method. First, both ends of the cylindrical structure of the second member 172 are processed so that a step is formed, and then the first member 171 is inserted inside the second member 172 with adhesive or sealant applied to the step. be done. Next, after one end of the first member 171 and the second member 172 coated with adhesive are joined by brazing or the like, the inside of the sealed space 173 is evacuated from the other end coated with the sealant. be done. Thereafter, the other end coated with the sealant is sealed by brazing or the like.
  • a first extending region L1, a heating region 162S, and a second extending region L2 are provided in the extending direction of the first member 171 and the second member 172.
  • the heating region 162S is a region on which the fluctuating magnetic field from the electromagnetic induction source 162 is superimposed, and is provided corresponding to at least a portion of the region of the stick-shaped base material 150 that includes the aerosol source. Thereby, the suction device 100 can generate an aerosol from the stick-shaped base material 150 by induction heating the heating region 162S of the first member 171.
  • the heating region 162S is a region where heat for heating the stick-shaped base material 150 is generated in the extending direction of the accommodation space 141.
  • the heating region 162S is such that the first member 171 and the fluctuating magnetic field from the electromagnetic induction source 162 are superimposed in the extending direction of the housing space 141. may be an area that generates heat.
  • the heating area 162S is the area to which the heat-generating film heater is attached. It may be.
  • the first extending region L1 is a region extending from the heating region 162S to the upstream side of the holding section 140
  • the second extending region L2 is a region extending from the heating region 162S to the downstream side of the holding section 140.
  • the upstream side and the downstream side refer to the upstream side and the downstream side in the air flow that passes through the accommodation space 141 and transports the aerosol generated from the stick-shaped base material 150. That is, the bottom 143 side of the holding part 140 is the upstream side, and the opening 142 side of the holding part 140 is the downstream side.
  • the first member 171 in the first extending region L1 and the second extending region L2 is heated by induction heating. Not done.
  • the first heat conduction suppressing element 181 and the second heat conduction A restraining element 182 is provided. Specifically, a first heat conduction suppressing element 181 is provided between the heating area 162S and the first extending area L1, and a second heat conducting suppressing element is provided between the heating area 162S and the second extending area L2. 182 is provided.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are elements that conduct less heat per unit time than the heating region 162S, the first extending region L1, and the second extending region L2. More specifically, the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 have a higher capacity per unit time than the heating area 162S, the first extending area L1, and the second extending area L2, and the accommodation space 141. It is an element with a small amount of heat conduction per unit distance in the extending direction. According to this, the holding part 140 prevents heat generated in the heating region 162S from leaking to the first extension region L1 and the second extension region L2 provided corresponding to the region not filled with the aerosol source. can be suppressed. Therefore, the suction device 100 can further improve energy efficiency during aerosol generation.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 have a cross-sectional area of a cut plane perpendicular to the extending direction of the holding part 140, which is the heating region 162S, the first extending region L1, and the second extending region L1. It may also include an area smaller than the extension area L2.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may include a thin portion provided in the first member 171.
  • the thin portion is a region thinner than the thickness of the first member 171 in the first extension region L1 and the second extension region L2, or a region thinner than the thickness of the first member 171 in the heating region 162S.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may include a thin portion formed by an annular groove dug into the first member 171 from the sealed space 173 side.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may include a thin portion formed by a dot pattern of recesses dug into the first member 171 from the sealed space 173 side.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are configured to include a thin wall portion dug from the sealed space 173 side, so that the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are configured to include a thin wall portion dug from the sealed space 173 side.
  • the sides can be made smooth. According to this, the suction device 100 can expand the contact area between the first member 171 and the stick-type base material 150, and therefore can further improve the heating efficiency of the stick-type base material 150. In addition, the suction device 100 can more easily clean the accommodation space 141 that the inner surface of the first member 171 faces.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are made of a material whose thermal conductivity is lower than that of the heating region 162S, the first extending region L1, and the second extending region L2. It may be composed of.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may be made of organic resin or the like.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are made of a different metal material from the heating region 162S, the first extending region L1, and the second extending region L2, different metallic materials Electrolytic corrosion may occur during the generation of aerosol at the joint surfaces. In order to prevent such electrolytic corrosion, it is desirable that a corrosion-preventing coating be applied to the inside of the first member 171.
  • FIG. 3 is a schematic diagram showing an example of the configuration of the stick-type base material 150.
  • the stick-type base material 150 has a filling region 151, a paper tube region 152, and a cooling region 153 from an upstream end Eu that is one end of the elongated shape toward a downstream end Ed that is the other end. and in order.
  • the stick-type base material 150 is inserted into the holding part 140 from the upstream end Eu, and by having the user add the downstream end Ed, the user can inhale the aerosol.
  • the filling region 151 is, for example, a region filled with an aerosol source that is a processed product derived from tobacco.
  • the stick-type base material 150 can generate an aerosol by heating an aerosol source filled in the filling region 151.
  • the paper tube area 152 is a hollow area on the inside, and is provided to guide the aerosol generated in the filling area 151 to the cooling area 153.
  • the cooling area 153 is an area that includes a filter that prevents the aerosol source that has fallen from the filling area 151 from being inhaled by the user, and cools the aerosol to a temperature that allows it to be inhaled.
  • the paper tube region 152 and the cooling region 153 are unfilled regions that are not filled with an aerosol source that is a processed product derived from tobacco.
  • the stick-type base material 150 may further include a plug region on the upstream end Eu side of the filling region 151.
  • the plug region is a region including a filter that prevents the aerosol source filled in the filling region 151 from falling off from the upstream end Eu.
  • the plug region can suppress the aerosol generated in the filling region 151 from flowing back toward the upstream end Eu instead of the downstream end Ed.
  • the heating region 162S described above is provided at least corresponding to the filling region 151 of the stick-type base material 150 in order to induction-heat the filling region 151 of the stick-type base material 150.
  • the above-described first extension region L1 and second extension region L2 are provided corresponding to at least the unfilled region including the paper tube region 152, the cooling region 153, and the plug region of the stick-type base material 150. Therefore, since the filling area 151 is provided on the upstream side of the stick-type base material 150, the heating area 162S corresponding to the filling area 151 is provided on the upstream side of the holding part 140. Thereby, the width of the first extending region L1 becomes narrower than the width of the second extending region L2.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are configured such that the amount of heat conduction per unit time is different from each other. may be provided. That is, the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may be provided in mutually different manners.
  • the first heat conduction suppressing element 181 may be provided so that the amount of heat conduction per unit time is smaller than that of the second heat conduction suppressing element 182, making it difficult to conduct heat. Since the first extension region L1 is narrower than the second extension region L2 and has a smaller heat capacity, the temperature tends to rise due to the conducted heat. Therefore, the first extension region L1 is provided so that heat is less conductive than the second extension region L2 by the first heat conduction suppressing element 181, so that the influence of the conducted heat can be further reduced.
  • the first heat conduction suppressing element 181 may be provided so as to have a wider width in the extending direction of the holding portion 140 than the second heat conduction suppressing element 182. According to this, the first heat conduction suppressing element 181 increases the heat conduction efficiency from the second heat conduction suppressing element 182 to the second extending area L2 by increasing the width of the element. It is possible to suppress the heat conduction efficiency more than that of .
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are configured to include a thin wall portion
  • the first heat conduction suppressing element 181 has a thinner wall area than the second heat conduction suppressing element 182. , or may be provided so that the amount of digging becomes large.
  • the first heat conduction suppressing element 181 has a smaller cross-sectional area than the second heat conduction suppressing element 182, so that the amount of heat conduction can be made smaller than that of the second heat conduction suppressing element 182.
  • the first heat conduction suppressing element 181 can have a smaller amount of heat conduction than the second heat conduction suppressing element 182, at least one of the number of thin-walled parts, the size, or the amount of digging will become larger. It may be provided as follows.
  • the heat generated in the first member 171 of the heating region 162S is conducted through the first member 171 to the first extending region L1 and the second extending region. It is possible to suppress leakage to L2. Therefore, the suction device 100 can more efficiently cause the heat generated in the heating region 162S to act on the filling region 151 of the stick-type base material 150, thereby improving energy efficiency during aerosol generation.
  • FIG. 4 is an explanatory diagram showing the appearance and cross section of the holding portion 140A according to the first specific example.
  • FIG. 5 is an explanatory diagram showing the appearance and cross section of the holding portion 140B according to the second specific example.
  • the holding portion 140A is constructed by joining a first member 171 and a second member 172 to each other at a joining portion 174. Specifically, both ends of the cylindrical structure of the second member 172 are bent twice so that a step is formed toward the outer surface of the first member 171, and the end beyond the formed step is bent. A joint portion 174 is formed by being joined to the outer surface of the first member 171 . Thereby, a sealed space 173 that performs vacuum insulation is formed between the first member 171 and the second member 172.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are configured as grooves formed in the first member 171 from the sealed space 173 side.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are grooves that are annularly dug in the circumferential direction of the first member 171 near the joint portions 174 at both ends of the holding portion 140A. provided.
  • the holding part 140A according to the first specific example can suppress the heat generated in the first member 171 from leaking along the extending direction of the holding part 140A.
  • the first heat conduction suppressing element 181 may be provided as a groove that is dug deeper than the second heat conduction suppressing element 182 (i.e., a thin part where the first member 171 is thinner).
  • the holding part 140B is constructed by joining a first member 171 and a second member 172 to each other at a joining part 174. Specifically, both ends of the cylindrical structure of the first member 171 are bent twice so that a step is formed toward the inner surface of the second member 172, and the end beyond the formed step is bent. A joint portion 174 is configured by being joined to the inner surface of the second member 172. Thereby, a sealed space 173 that performs vacuum insulation is formed between the first member 171 and the second member 172.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are configured as grooves formed in the first member 171 from the sealed space 173 side.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 are grooves that are annularly dug in the circumferential direction of the first member 171 near the joint portions 174 at both ends of the holding portion 140A. provided.
  • the holding part 140B according to the second specific example can suppress the heat generated in the first member 171 from leaking along the extending direction of the holding part 140B.
  • the first heat conduction suppressing element 181 may be provided as a groove that is dug deeper than the second heat conduction suppressing element 182 (i.e., a thin part where the first member 171 is thinner).
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may be configured with a plurality of grooves or recesses.
  • FIG. 6 is a schematic diagram showing an example of a first modification of the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182.
  • FIG. 7 is a schematic diagram showing another example of the first modification of the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182.
  • the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may be composed of a plurality of grooves provided along the circumferential direction of the first member 171. As shown in FIG. 7, the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may be configured with a plurality of dot pattern-shaped recesses arranged along the circumferential direction of the first member 171. .
  • the first heat conduction suppressing element 181 is configured such that the amount of heat conduction is lower than that of the second heat conduction suppressing element 182. may be provided. In such a case, the first heat conduction suppressing element 181 may be provided so as to include a greater number of grooves or recesses than the second heat conduction suppressing element 182.
  • FIG. 8 is a schematic cross-sectional view showing the configuration of a holding portion 140A according to a second modification.
  • the holding part 140A differs from the holding part 140 shown in FIG. 2 in that it further includes a heat insulating member 175.
  • the heat insulating member 175 is provided to cover the outer surface of the second member 172 and suppresses conduction of heat from the second member 172 to the casing of the suction device 100.
  • the heat insulating member 175 may be, for example, a sheet-like member that is wound around the second member 172 along the outer surface of the second member 172 while being adhered to the second member 172, or a cylindrical member into which the second member 172 can be inserted. It may be a member.
  • the heat insulating member 175 may be composed of a single member.
  • the heat insulating member 175 may be constructed by wrapping a single member around the second member 172 so as to cover the entire outer surface of the second member 172 including the joints 174 at both ends.
  • the heat insulating member 175 may be composed of a plurality of members.
  • the heat insulating member 175 is composed of three members: an annular member that covers the joint 174 on the downstream side, an annular member that covers the joint 174 on the upstream side, and a cylindrical member that covers the outer surface of the second member 172. Good too.
  • the heat insulating member 175 may be, for example, a laminate including a porous sheet of foam or felt having heat insulating properties, an airgel sheet, or a laminate including an aluminum sheet having heat reflective properties. Good too. Further, the heat insulating member 175 may be a laminate including a porous sheet, an airgel sheet, or an aluminum sheet.
  • the holding portion 140A can further suppress conduction of heat for heating the stick-shaped base material 150 to the casing of the suction device 100 using the heat insulating member 175. Therefore, the holding portion 140A can further reduce the possibility that the user holding the suction device 100 will feel uncomfortable.
  • the electromagnetic induction source 162 has been described as being composed of one induction coil, but the present invention is not limited to such an example.
  • the electromagnetic induction source 162 may be comprised of a plurality of spaced apart induction coils.
  • the heating region 162S is also divided into a plurality of regions corresponding to each of the plurality of induction coils spaced apart from each other. That is, in the first member 171, the heating regions 162S on which the varying magnetic fields from each of the plurality of induction coils are superimposed are separated from each other and generate heat.
  • a heat conduction suppressing element similar to the first heat conduction suppressing element 181 and the second heat conduction suppressing element 182 may be provided between each of the plurality of heating regions 162S spaced apart from each other. According to this, since the holding part 140 can suppress the diffusion of heat from the heating region 162S, it is possible to more intensively heat a part of the stick-shaped base material 150 with each induction coil. It is.
  • the holding section 140 is described as having the sealed space 173 that performs vacuum insulation, but the present invention is not limited to such an example.
  • the holding part 140 does not need to include the sealed space 173 that performs vacuum insulation.
  • the inside of the sealed space 173 does not need to be in a vacuum state, and the first member 171 and the second member 172 do not need to be joined to each other.
  • the stick-shaped base material 150 was described as being heated by the first member 171 that was induction-heated in a fluctuating magnetic field, but the present invention is not limited to such an example.
  • the stick-type base material 150 may be heated by a resistance heating section (a film heater including wiring that generates resistance heat) attached to the inner or outer surface of the first member 171.
  • An aerosol generation device having: (2) The aerosol generation device according to (1), wherein the heat conduction suppressing element includes a thin wall portion provided in the heating section.
  • the extending region includes a first extending region provided at one end of the heating region and a second extending region provided at the other end of the heating region
  • the heat conduction suppressing element includes a first heat conduction suppressing element provided between the first extension region and the heating region, and a second heat conduction suppressing element provided between the second extension region and the heating region.
  • the aerosol generation device according to (2) above including a conduction suppressing element.
  • the aerosol generation device according to (3) wherein the amount of heat conduction per unit time of the first heat conduction suppressing element is different from the amount of heat conduction per unit time of the second heat conduction suppressing element.
  • the first heat conduction suppressing element and the second heat conduction suppressing element are different from each other in at least one of the width in the extending direction, the area of the included thin part, or the amount of digging.
  • the one end side is on the upstream side of the air flow passing through the aerosol generation base material,
  • the aerosol generation device according to any one of (1) to (7), wherein the heating area is provided corresponding to at least a part of the filling area filled with the aerosol source of the aerosol generation base material. .
  • the aerosol-generating substrate further includes an unfilled region different from the filled region, The aerosol generation device according to (8), wherein the extension region is provided corresponding to at least a portion of the unfilled region.
  • the heating section is provided on an inner surface of a cylindrical member containing the accommodation space.
  • the heat conduction suppressing element is annularly provided along the circumferential direction of the cylindrical member.
  • the cylindrical member has a vacuum insulation structure, The aerosol generation device according to (10) or (11), wherein the heating section is induction heated by a fluctuating magnetic field.
  • the heat conduction suppressing element includes a thin part provided in the heating part, The aerosol generation device according to any one of (10) to (12), wherein the thin portion is formed by thinning the heating portion from a side opposite to a side facing the accommodation space. Device.
  • the heat conduction suppressing element is made of a material having a lower thermal conductivity than at least one of the heating region or the extension region. The aerosol generation device described.
  • an aerosol-generating substrate comprising an aerosol source; an aerosol generation device that heats the aerosol generation base material; including;
  • the aerosol generation device includes: a housing space that accommodates the aerosol-generating base material; a heating section that extends along the accommodation space and heats the aerosol-generating base material; Equipped with The heating section is a heating region provided in the extending direction of the heating section; an extending region provided in an extending direction of the heating section as a region different from the heating region; a heat conduction suppressing element that is provided between the heating region and the extension region and has a smaller amount of heat conduction per unit time than the heating region and the extension region;
  • Suction device 111 Power supply section 112 Sensor section 113 Notification section 114 Storage section 115 Communication section 116 Control section 140, 140A, 140B Holding section 141 Accommodation space 142 Opening 143 Bottom section 150 Stick type base material 162 Electromagnetic induction source 162S Heating region 171 First Member 172 Second member 173 Sealed space 174 Joint portion 181 First heat conduction suppressing element 182 Second heat conduction suppressing element L1 First extending region L2 Second extending region

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Abstract

L'invention a pour but de fournir un dispositif de génération d'aérosol et un système de génération d'aérosol dans lesquels il est possible d'améliorer davantage l'efficacité énergétique lors de la génération d'un aérosol. La solution selon l'invention porte sur un dispositif de génération d'aérosol comprenant un espace de réception qui reçoit un matériau de base de génération d'aérosol contenant une source d'aérosol, et une unité de chauffage qui s'étend le long de l'espace de réception et chauffe le matériau de base de génération d'aérosol, l'unité de chauffage ayant : une région de chauffage disposée dans la direction d'extension de l'unité de chauffage ; une région d'extension disposée dans la région d'extension de l'unité de chauffage en tant que région différente de la région de chauffage ; et un élément de suppression de transmission de chaleur disposé entre la région de chauffage et la région d'extension, l'élément de suppression de transmission de chaleur ayant un taux de transmission de chaleur par unité de temps inférieur à la région de chauffage et à la région d'extension.
PCT/JP2022/026502 2022-07-01 2022-07-01 Dispositif de génération d'aérosol et système de génération d'aérosol WO2024004214A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/026502 WO2024004214A1 (fr) 2022-07-01 2022-07-01 Dispositif de génération d'aérosol et système de génération d'aérosol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/026502 WO2024004214A1 (fr) 2022-07-01 2022-07-01 Dispositif de génération d'aérosol et système de génération d'aérosol

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WO2024004214A1 true WO2024004214A1 (fr) 2024-01-04

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Citations (8)

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Publication number Priority date Publication date Assignee Title
JP2020503877A (ja) * 2017-01-17 2020-02-06 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 喫煙材を加熱するための装置
WO2020171076A1 (fr) * 2019-02-21 2020-08-27 京セラ株式会社 Outil de chauffage de tabac et dispositif à fumer du type à chauffage le comprenant
EP3918930A1 (fr) * 2020-04-22 2021-12-08 KT&G Corporation Dispositif de génération d'aérosol
JP2022503529A (ja) * 2019-09-26 2022-01-12 ケイティー アンド ジー コーポレイション 複数のエアロゾル生成基質でエアロゾルを生成するエアロゾル生成システム及びその装置
JP2022504402A (ja) * 2018-10-12 2022-01-13 ジェイティー インターナショナル エス．エイ． エアロゾル発生装置及びそのための加熱チャンバ
JP2022517168A (ja) * 2019-12-19 2022-03-07 ケーティー アンド ジー コーポレイション 加熱要素を含むエアロゾル発生装置、及びエアロゾル発生システム
JP2022523395A (ja) * 2019-03-15 2022-04-22 ニコベンチャーズ トレーディング リミテッド 蒸気供給システム用のヒータ
JP2022525711A (ja) * 2020-02-25 2022-05-19 ケーティー アンド ジー コーポレイション 風味最適化機能を備えたエアロゾル発生物品およびこれを含むエアロゾル発生システム

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020503877A (ja) * 2017-01-17 2020-02-06 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 喫煙材を加熱するための装置
JP2022504402A (ja) * 2018-10-12 2022-01-13 ジェイティー インターナショナル エス．エイ． エアロゾル発生装置及びそのための加熱チャンバ
WO2020171076A1 (fr) * 2019-02-21 2020-08-27 京セラ株式会社 Outil de chauffage de tabac et dispositif à fumer du type à chauffage le comprenant
JP2022523395A (ja) * 2019-03-15 2022-04-22 ニコベンチャーズ トレーディング リミテッド 蒸気供給システム用のヒータ
JP2022503529A (ja) * 2019-09-26 2022-01-12 ケイティー アンド ジー コーポレイション 複数のエアロゾル生成基質でエアロゾルを生成するエアロゾル生成システム及びその装置
JP2022517168A (ja) * 2019-12-19 2022-03-07 ケーティー アンド ジー コーポレイション 加熱要素を含むエアロゾル発生装置、及びエアロゾル発生システム
JP2022525711A (ja) * 2020-02-25 2022-05-19 ケーティー アンド ジー コーポレイション 風味最適化機能を備えたエアロゾル発生物品およびこれを含むエアロゾル発生システム
EP3918930A1 (fr) * 2020-04-22 2021-12-08 KT&G Corporation Dispositif de génération d'aérosol

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