[go: up one dir, main page]

WO2024075272A1 - Feuille chauffante, ensemble chauffant et inhalateur d'arôme - Google Patents

Feuille chauffante, ensemble chauffant et inhalateur d'arôme Download PDF

Info

Publication number
WO2024075272A1
WO2024075272A1 PCT/JP2022/037596 JP2022037596W WO2024075272A1 WO 2024075272 A1 WO2024075272 A1 WO 2024075272A1 JP 2022037596 W JP2022037596 W JP 2022037596W WO 2024075272 A1 WO2024075272 A1 WO 2024075272A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating sheet
heating
region
section
temperature sensor
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2022/037596
Other languages
English (en)
Japanese (ja)
Inventor
亮治 藤田
宇 程野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Tobacco Inc
Original Assignee
Japan Tobacco Inc
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 Japan Tobacco Inc filed Critical Japan Tobacco Inc
Priority to PCT/JP2022/037596 priority Critical patent/WO2024075272A1/fr
Publication of WO2024075272A1 publication Critical patent/WO2024075272A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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

Definitions

  • the present invention relates to a heating sheet, a heating assembly and a flavor inhaler.
  • a temperature sensor or thermal insulating material is provided on a tubular electrically insulating substrate so that the device does not become hot when held by a user. It is desirable to provide a heating assembly with various functions while being subject to structural constraints such as being in a sheet form.
  • one object of the present invention is to provide a heating sheet that can be flexibly designed to realize a heating assembly with various functions.
  • a heating sheet includes a sheet-shaped electrically insulating base and a heating section for heating a storage section that stores a flavor-generating product, and includes a plurality of regions arranged side by side along a first direction, the plurality of regions including a first region, a second region, and a third region that become the first, second, and third layers of the heating sheet from the inside, respectively, when the heating sheet is wrapped around the outer wall of the storage section, and the first region includes the heating section.
  • the first aspect it is possible to provide a heating sheet that can be flexibly designed to realize a heating assembly having various functions.
  • the second aspect is the first aspect, wherein the electrically insulating base has a fragile portion extending in a second direction intersecting the first direction, for facilitating deformation of the heating sheet.
  • the heating sheet can be easily deformed when wrapping it around the storage section, allowing for more efficient wrapping.
  • the third aspect is the second aspect, wherein the fragile portion has at least one of a cut, a recess, and an opening.
  • the third aspect makes it possible to more reliably and easily deform the heating sheet.
  • the fourth aspect is the second or third aspect, wherein the weak portion is arranged along the boundary between the multiple regions.
  • the fourth aspect not only makes it easier to deform the heating sheet when wrapping it around the storage section, but also makes it possible to identify the boundaries, allowing for more accurate wrapping.
  • the fifth aspect is any one of the first to fourth aspects, wherein each of the plurality of regions includes at least one first fixing portion that fixes each of the plurality of regions to an adjacent surface when the heating sheet is wrapped around the outer wall of the storage section.
  • each area can be fixed, and the heating sheet can be wrapped around the storage section with even greater precision.
  • the sixth aspect is any one of the first to fifth aspects, wherein the second region includes a temperature sensor, the heating sheet includes an extension portion that extends from the boundary between the first and second regions along the extending surface of the electrically insulating base in a third direction intersecting the first direction, and the extension portion includes a plurality of terminals that are electrically connected to the heating portion and the temperature sensor, respectively.
  • the sixth aspect it is possible to efficiently connect conductors to the electric and electronic components arranged in the first and second regions, and also to simplify the wiring.
  • the seventh aspect is the sixth aspect, wherein the extension portion is provided with a second fixing portion on the back side of the surface on which the plurality of terminals are formed, for fixing the extension portion to the outer wall of the storage portion.
  • the heating sheet can be wrapped around the storage section with even greater precision.
  • the eighth aspect is any one of the first to seventh aspects, in which the Young's modulus of the electrically insulating substrate is greater than 2 GPa.
  • the electrically insulating base is less likely to expand or contract, so the heating sheet can be wrapped around the storage section with even greater precision.
  • the ninth aspect is based on any one of the first to eighth aspects, and is characterized in that, among the multiple regions, at least one region other than the first region is provided with at least one of an insulating section that suppresses heat conduction from the heating section, and a thermal diffusion section that diffuses heat from the heating section along the heating sheet.
  • the ninth aspect even if the temperature sensor is misaligned when wrapping the heating sheet around the storage section, it is possible to prevent a decrease in the accuracy of the measurement by the temperature sensor.
  • the temperature in the heating sheet is made more uniform, and the occurrence of high-temperature areas can be prevented.
  • the tenth aspect is the ninth aspect, wherein the heat insulating section comprises at least one of a porous body, a hollow fiber structure, and a spacer that defines an air layer.
  • the heat from the heating section can be blocked more efficiently due to the insulating effect of air. Therefore, the user can hold the flavor inhaler more comfortably.
  • the eleventh aspect is the tenth aspect, in which the spacer has a honeycomb structure.
  • the possibility of the insulating part being damaged when wrapping the heating sheet around the storage part can be reduced.
  • the twelfth aspect is any of the ninth to eleventh aspects, in which a protective section for protecting the insulating section is provided in an area adjacent to the area in which the insulating section is arranged in the plurality of areas.
  • the twelfth aspect it is possible to suppress adverse effects such as damage to the insulating part due to contact with external objects or deterioration due to the outside air. Furthermore, in cases where the insulating part contains fibrous material, the release of fine fragments can be suppressed by covering it with the protective part.
  • the thirteenth aspect is any one of the ninth to twelfth aspects, in which a temperature sensor or the thermal diffusion unit is arranged on the reverse side of the surface on which the thermal insulation unit is arranged in the region in which the thermal insulation unit is arranged.
  • the heating sheet can be shortened, providing a more efficient heating assembly.
  • the fourteenth aspect is any one of the ninth to thirteenth aspects, in which the thermal diffusion portion includes aluminum or graphite formed into a sheet.
  • aluminum or graphite which have high thermal conductivity, can be used to make the temperature within the heating assembly more uniform.
  • the fifteenth aspect is any one of the ninth to fourteenth aspects, in which the heating sheet includes a temperature sensor, and the temperature sensor and the thermal diffusion unit are arranged on the electrically insulating base so that the thermal diffusion unit is arranged on the outside of the temperature sensor when the heating sheet is wrapped around the housing unit.
  • the fifteenth aspect it is possible to simplify the wiring of the heating section and the temperature sensor while making the temperature within the heating assembly more uniform.
  • the 16th aspect is any one of the 9th to 15th aspects, in which the at least one region includes the insulating section and the thermal diffusion section, and in the multiple regions, the thermal diffusion section is disposed in a region between the first region and the region in which the insulating section is disposed.
  • the temperature can be made more uniform inside the layer of the heating assembly in which the insulating portion is located.
  • a heating assembly includes a heating sheet according to any one of the first to sixteenth aspects, and the container around which the heating sheet is wrapped.
  • a heating assembly having various functions can be provided.
  • the 18th aspect is the 17th aspect, wherein the outer wall surface of the storage section is coated with an insulator, and the heating sheet is wrapped around the storage section so that the heating section comes into contact with the insulator.
  • the 18th aspect it is possible to improve the heating efficiency while suppressing adverse effects such as short circuits.
  • a flavor inhaler includes the heating assembly of the 17th or 18th aspect.
  • a flavor inhaler equipped with a heating assembly having various functions can be provided.
  • a method for manufacturing a heating assembly includes wrapping the heating sheet around the housing.
  • a heating assembly having various functions can be provided.
  • the 21st aspect is the 20th aspect, wherein when the heating sheet is wrapped around the storage section, the storage section is positioned between the center of the first region and the second region, and the heating sheet is wrapped around the storage section that is positioned.
  • the 21st aspect it is possible to improve the winding precision and suppress the adverse effects caused by misalignment of the parts arranged in the heating assembly.
  • the 22nd aspect is the 21st aspect, and is characterized in that, when wrapping the heating sheet around the storage section, the first region on the side opposite to the side where the second region is located is wrapped around the storage section arranged at the position, and then the heating sheet on the side where the second region is located is wrapped around the storage section.
  • winding can be performed more reliably and accurately.
  • the 23rd aspect is any one of the 20th to 22nd aspects, in which the heating sheet has an extension portion that extends from the boundary between the first region and the second region in a third direction intersecting the first direction, and the storage portion is positioned between the center of the first region and the second region based on the position of the extension portion.
  • the storage section can be more easily positioned on the heating sheet, and wrapping can be performed efficiently.
  • FIG. 1 is a conceptual diagram showing a flavor inhalation system according to one embodiment.
  • FIG. 2 is a perspective view showing a schematic diagram of the heating assembly according to the embodiment.
  • FIG. 2 is a cross-sectional view showing a schematic diagram of the heating assembly according to the embodiment.
  • FIG. 2 is a plan view showing a schematic diagram of the heating sheet according to the embodiment.
  • FIG. 2 is a side view illustrating the heating sheet according to the embodiment.
  • 5A to 5C are conceptual diagrams illustrating a method for manufacturing the heating assembly according to the embodiment.
  • 5A to 5C are conceptual diagrams illustrating a method for manufacturing the heating assembly according to the embodiment.
  • 5A to 5C are conceptual diagrams illustrating a method for manufacturing the heating assembly according to the embodiment.
  • FIG. 11 is a side view showing a schematic diagram of a heating sheet according to a first modified example.
  • FIG. 11 is a side view showing a schematic diagram of a heating sheet according to a second modified example.
  • FIG. 11 is a cross-sectional view showing a schematic diagram of an extension portion according to Modification 3.
  • FIG. 13 is a plan view illustrating a heat insulating section according to a fourth modified example.
  • FIG. 13 is a plan view illustrating a heating sheet according to a modified example 5.
  • FIG. 13 is a side view illustrating a heating sheet according to a modified example 5.
  • FIG. 13 is a plan view illustrating a heating sheet according to a sixth modified example.
  • FIG. 13 is a side view showing a schematic diagram of a heating sheet according to a sixth modified example.
  • FIG. 11 is a side view showing a schematic diagram of a heating sheet according to a sixth modified example.
  • FIG. 13 is a plan view illustrating a heating sheet according to a seventh modified example.
  • FIG. 13 is a side view illustrating a heating sheet according to a seventh modified example.
  • 13 is a conceptual diagram showing a manufacturing method of a heating assembly according to variant example 8.
  • FIG. 13 is a cross-sectional view showing a schematic diagram of a heating assembly according to a modified example 9.
  • the flavor inhalation system 1000 includes a flavor inhaler 100 and a consumable material 200.
  • the flavor inhaler 100 includes a housing 110, a power supply unit 120, a control unit 130, and a heating assembly 30.
  • the consumable material 200 includes a smokable substance 210 that is a flavor source.
  • FIG. 1 the flavor inhaler 100 is shown in schematic vertical cross section.
  • the heating assembly 30 includes a storage unit 40 (FIG. 2) described later.
  • the flavor inhalation system 1000 is configured to generate aerosols having a flavor by heating the consumable material 200 stored in the storage unit 40 with the heating assembly 30. In this way, the flavor inhaler 100 can be configured as an aerosol generating device that generates an aerosol by heating the consumable material 200.
  • the housing 110 accommodates each part of the flavor inhaler 100, such as the control unit 130 and the heating assembly 30.
  • the housing 110 is formed with an insertion port 111 into which the consumable product 200 is inserted.
  • the insertion port 111 is connected to the inside of the storage unit 40 via a tubular guide member (not shown) or the like as appropriate.
  • the flavor inhaler 100 is preferably a portable device or a handheld device. From this perspective, the housing 110 is preferably shaped so that it is easy for the user to hold it in his/her hand. In the illustrated example, the housing 110 has a rectangular cross section. However, the shape of the housing 110 is not particularly limited as long as it allows flavor inhalation, and can be, for example, rounded or stick-shaped.
  • the housing 110 may be provided with a cover (not shown) that can move or rotate between a first position that covers the insertion port 111 and a second position that does not cover the insertion port 111.
  • the housing 110 can be formed of a resin such as PEEK (polyether ether ketone) or a metal such as aluminum.
  • the power supply unit 120 includes a power source such as a battery.
  • the power supply unit 120 stores the power used by the flavor inhaler 100.
  • the power supply unit 120 is a lithium ion battery.
  • the power supply unit 120 is rechargeable by an external power source, and it is preferable that the flavor inhaler 100 includes a connection terminal that can be connected to an external terminal for charging. Note that the flavor inhaler 100 does not necessarily have to be rechargeable.
  • the control unit 130 includes a control device such as a PCB (Printed Circuit Board).
  • the control unit 130 functions as a control device that controls the operation of the flavor inhaler 100.
  • the control unit 130 includes a CPU (Central Processing Unit) and a memory.
  • the control unit 130 controls the heating assembly 30 to start heating the smokable material 210 in response to a user operation on an input device such as a push button or a slide switch (not shown), and ends the heating of the smokable material 210 after a certain time has elapsed.
  • the control unit 130 may end the heating of the smokable material 210 even before a certain time has elapsed since the start of heating the smokable material 210.
  • the puffing action is detected by a sensor (not shown).
  • the manner in which the control unit 130 controls the heating is not particularly limited.
  • the control unit 130 may detect the insertion of the consumable product 200 into the storage unit 40, and start heating based on the detection.
  • the consumable product 200 is a flavor-generating product that generates a flavor when heated.
  • the smokable material 210 is disposed in a position facing the heating unit 50 (described later) in a direction perpendicular to the insertion direction of the consumable product 200 when the consumable product 200 is contained in the storage unit 40.
  • the consumable product 200 may include a cylindrical member (not shown) for cooling the aerosol or vapor generated by heating, or a filter (not shown) that selectively transmits a flavored substance.
  • the consumable product 200 may be packaged in a wrapper such as paper.
  • the second end 202 of the consumable product 200 which is opposite to the first end 201 that is inserted into the insertion opening 111, is disposed outside the flavor inhaler 100 when the consumable product 200 is contained in the storage unit 40, and can function as a mouthpiece for the user to inhale the flavor.
  • the type of smokable material 210 is not particularly limited as long as it can generate flavor when heated. It is preferable that the smokable material 210 generates flavor without burning.
  • the smokable material 210 may be solid or liquid.
  • the smokable material 210 may include tobacco such as lamina or rib, or other known plants.
  • the smokable material 210 may contain an aerosol source that is heated at a predetermined temperature to generate vapor, and the vapor is cooled to become an aerosol.
  • the type of aerosol source is not particularly limited, and various extracts from natural products and/or their components can be selected depending on the application. Examples of aerosol sources include glycerin, propylene glycol, triacetin, 1,3-butanediol, and mixtures thereof.
  • FIG. 2 is a perspective view showing a schematic view of the heating assembly 30.
  • FIG. 3 is a cross-sectional view showing a schematic view of the heating assembly 30, which corresponds to the A-A cross section in FIG. 2.
  • the heating assembly 30 includes a storage section 40 and a heating sheet 300 wrapped around the storage section 40.
  • the storage section 40 comprises a cylindrical member having a hole 41 into which the consumable product 200 is inserted.
  • the hole 41 is formed along the central axis Ax of the storage section 40, which is parallel to the insertion direction of the consumable product 200.
  • the storage section 40 has an outer wall 42 and a bottom wall 43 that defines the hole 41, but the outer wall 42 of the storage section 40 does not have to be formed integrally with the bottom wall 43.
  • the storage section 40 is cylindrical, but is not limited to this, and can have a shape such as a hollow polygonal column.
  • the storage section 40 is preferably formed of a material that is heat resistant and has a small thermal expansion coefficient, and can be formed of, for example, a metal such as stainless steel, a resin such as PEEK, glass, or ceramic.
  • the storage section 40 may have an air vent (not shown) for introducing air required for flavor inhalation into the consumable product 200.
  • the gap between the consumable product 200 and the storage section 40 may be configured to be an air flow path.
  • "radial direction” and “circumferential direction” refer to the radial direction and circumferential direction of a rotating coordinate system centered on the central axis Ax.
  • the heating sheet 300 is wound around the outer wall 42 of the storage section 40 in three layers, and includes a first layer 31, a second layer 32, and a third layer 33.
  • the first layer 31, the second layer 32, and the third layer 33 are arranged in this order in the radial direction from the central axis Ax of the storage section 40.
  • the number of turns of the heating sheet 300 around the storage section 40 is not particularly limited as long as the heating assembly 30 can be placed in the flavor inhaler 100, and can be any number of turns equal to or greater than three. In other words, the heating sheet 300 can be wound around the storage section 40 to form three or more overlapping layers.
  • the heating section 50 is disposed on the first electrically insulating base 311.
  • the temperature sensor 60 is disposed on the second electrically insulating base 321.
  • the heat insulating section 70 is disposed on the third electrically insulating base 331.
  • the first electrically insulating base 311, the second electrically insulating base 321, and the third electrically insulating base 331 are integrally formed as a sheet-like electrically insulating base 3.
  • FIG. 4 is a plan view that shows heating sheet 300 in a schematic manner.
  • FIG. 5 is a side view that shows heating sheet 300 in a schematic manner.
  • the state in which heating sheet 300 is wrapped around storage section 40 will be referred to as the wrapped state.
  • FIGS. 4 and 5 show heating sheet 300 in a state in which it is not wrapped around storage section 40.
  • the heating sheet 300 has a plurality of regions 3000 and an extension section 39.
  • the plurality of regions 3000 include a first region 310, a second region 320, and a third region 330.
  • the first region 310 is a portion that becomes the first layer 31 when wrapped around, and includes a first electrically insulating base 311 and a heating section 50.
  • the second region 320 is a portion that becomes the second layer 32 when wrapped around, and includes a second electrically insulating base 321 and a temperature sensor 60.
  • the third region 330 is a portion that becomes the third layer 33 when wrapped around, and includes a third electrically insulating base 331 and a heat insulating section 70.
  • the extension section 39 includes a first terminal 390A, a second terminal 390B, and an extension electrically insulating base 391.
  • first terminal 390A and the second terminal 390B are not distinguished from each other and are referred to individually, they are called terminals 390.
  • FIG. 5 shows an electrical insulating base 3 in which the first electrical insulating base 311, the second electrical insulating base 321, the third electrical insulating base 331, and the stretched electrical insulating base 391 are integrally formed.
  • the X-axis is taken in the first direction
  • the Y-axis is taken in a direction perpendicular to the X-axis along the surface on which the heating sheet 300 extends
  • the Z-axis is taken in a normal direction to the heating sheet 300 (see coordinate system 8).
  • the second layer 32 is farther from the central axis Ax than the first layer 31 and has a longer overall circumference
  • the third layer 33 is farther from the central axis Ax than the second layer 32 and has a longer overall circumference. Therefore, it is preferable that the second region 320 is longer than the first region 310 and the third region 330 is longer than the second region 320 along the first direction.
  • the composition of the electrical insulating base 3 so long as it can insulate the wiring arranged on the electrical insulating base 3, can withstand the heat of the heating unit 50, and can be processed into a sheet so that it can be wrapped around the storage unit 40. From the standpoint of heat resistance, electrical insulation, etc., it is preferable that the electrical insulating base 3 be made of a resin such as polyimide.
  • the electrically insulating base 3 is less likely to expand or contract, in order to suppress errors during winding. From this perspective, it is preferable that the Young's modulus of the electrically insulating base 3 is greater than 2 GPa.
  • the heating unit 50 includes a heating element such as a resistance heater.
  • the heating unit 50 is configured to heat the consumable item 200 contained in the containing unit 40 with heat generated by the heating unit 50.
  • the heating unit 50 is preferably a heating element consisting of an electric heating wire arranged along the surface (XY plane) on which the heating sheet 300 extends. This heating element is preferably a heating track.
  • a conductor that supplies power from the power supply unit 120 to the heating unit 50 is electrically connected to a first terminal 390A arranged in the extension unit 39.
  • the temperature sensor 60 can be arranged on the electrically insulating base 3, and the type is not particularly limited as long as the control unit 130 can perform processing using information obtained by the temperature sensor 60.
  • the temperature sensor 60 is preferably a temperature sensor including a thermocouple or a platinum resistor.
  • a conductor that supplies electricity to the temperature sensor 60 or a conductor that outputs a signal or data obtained by the temperature sensor 60 is electrically connected to a second terminal 390B arranged on the extension unit 39.
  • the control unit 130 can control the heating by the heating unit 50 based on the signal or data obtained by the temperature sensor 60 so that the user's hand does not feel hot.
  • a threshold value is stored in advance in a storage medium (not shown), and when the temperature measured by the temperature sensor 60 becomes equal to or higher than the threshold value, the control unit 130 can control the heating by the heating unit 50 to stop.
  • the temperature sensor 60 is arranged inside the heat insulating unit 70, so that the temperature can be measured more stably than when the temperature sensor 60 is arranged outside the heat insulating unit 70.
  • the second region 320 may also include an insulating section 70 or a thermal diffusion section 80 (described later).
  • the insulating section 70 or the thermal diffusion section 80 may be disposed across the boundary from the second region 320 to the third region 330.
  • the heating sheet 300 may have both double and triple portions in the wrapped state. In other words, the number of turns in the wrapped state may not be uniform in the circumferential direction about the central axis Ax.
  • the extension portion 39 includes a plurality of terminals 390.
  • the plurality of terminals 390 includes a first terminal 390A electrically connected to the heating portion 50 and a second terminal 390B electrically connected to the temperature sensor 60.
  • the extension portion 39 is formed so as to extend from the boundary between the first region 310 and the second region 320 along the surface (XY plane) on which the electrical insulating base 3 extends in a direction intersecting the first direction (third direction). It is preferable that the extension portion 39 is formed between the center position of the first region 310 and the center position of the second region 320 along the first direction.
  • the extension portion 39 is formed near the boundary between the first region 310 and the second region 320, it is possible to efficiently connect conductors to the electric and electronic components arranged in the first region 310 and the second region 320. In addition, by arranging the plurality of terminals 390 together, it is possible to simplify the wiring. It is noted that the heating sheet 300 does not need to include the extension portion 39.
  • the insulating section 70 makes it difficult for heat from the heating section 50 to be conducted to the outside of the heating assembly 30.
  • the insulating section 70 is preferably arranged in a region 3000 other than the first region in which the heating section 50 is arranged.
  • the form of the insulating section 70 is not particularly limited as long as it has a higher insulating function than the electrically insulating base 3. It is preferable that the insulating section 70 forms an air layer inside itself or between adjacent layers when wound. From this perspective, it is preferable that the insulating section 70 includes at least one of a porous body, a hollow fiber structure, and a spacer that defines an air layer.
  • the flavor inhaler 100 of this embodiment is a heating sheet 300 including a sheet-like electrically insulating base 3 and a heating section 50 for heating a storage section 40 that stores a consumable product 200, and includes a plurality of regions 3000 arranged in a line along a first direction, and the plurality of regions 3000 include a first region 310, a second region 320, and a third region 330 that become the first, second, and third layers of the heating sheet 300 from the inside, respectively, when the heating sheet 300 is wrapped around the outer wall 42 of the storage section 40, and the first region 310 includes a heating section 50.
  • This makes it possible to provide a heating sheet 300 that has three or more layers and can be flexibly designed to provide a heating assembly 30 with various functions.
  • FIGS 6 to 8 are conceptual diagrams arranged in chronological order to explain the manufacturing method of the heating assembly 30.
  • the heating sheet 300 is wrapped around the storage section 40.
  • the storage section 40 and the heating sheet 300 are prepared, and a heat-resistant adhesive or the like is applied to at least one of the storage section 40 and the heating sheet 300 as necessary.
  • FIG. 6 is a conceptual diagram for explaining the first step in winding.
  • the storage section 40 is placed at a position between the center of the first region 310 and the second region 320 along the first direction (X-axis direction).
  • this position will be referred to as the winding position.
  • the storage section 40 is positioned at the winding position based on the position of the extension section 39 extending from the boundary between the first region 310 and the second region 320. This makes it easier to position the storage section 40 on the heating sheet 300, and allows efficient winding.
  • FIG. 7 is a conceptual diagram for explaining the second step in the winding process.
  • the portion of the heating sheet 300 on the opposite side of the winding position from the side on which the second region 320 is located is wound around the outer wall 42 of the storage section 40, which is located at the winding position (arrow A100).
  • FIG. 8 is a conceptual diagram for explaining the third step in the winding.
  • the heating sheet 300 is wound on the second region 320 side of the winding position around the storage section 40 around which a portion of the heating sheet 300 was wrapped in the second step (see arrow A200).
  • the first region 310 on the opposite side to the second region 320 side is wound around the storage section 40, with the storage section 40 placed at the winding position, and then the heating sheet 300 on the side with the second region 320 is wound around the storage section 40. This makes it possible to shorten the maximum length over which the heating sheet 300 is wound, and more reliably increases the accuracy of the winding.
  • the electrically insulating base 3 may have a fragile portion that is more easily deformed than other portions of the electrically insulating base 3 .
  • FIG. 9 is a side view showing a schematic diagram of the heating sheet 300A of this modified example.
  • the heating sheet 300A has a similar configuration to the heating sheet 300 of the above-described embodiment, but differs from the heating sheet 300 in that it has a first weak portion 410A between the first electrically insulating base 311 and the second electrically insulating base 321, and a second weak portion 410B between the second electrically insulating base 321 and the third electrically insulating base 331.
  • first weak portion 410A and the second weak portion 410B are referred to without distinction, they will be referred to as weak portions 410.
  • the fragile portion 410 extends in the Y-axis direction. In this manner, it is preferable that the fragile portion 410 extends in a second direction intersecting the first direction (X-axis direction), preferably in a second direction substantially perpendicular to the first direction.
  • the heating sheet 300A includes a fragile portion 410 that extends in the second direction intersecting the first direction, for facilitating deformation of the heating sheet 300A. This facilitates deformation of the heating sheet 300A when wrapping the heating sheet 300A around the storage section 40, allowing for more efficient wrapping.
  • the first weak portion 410A is a recess formed along the boundary between the first region 310 and the second region 320.
  • the second weak portion 410B is a recess formed along the boundary between the second region 320 and the third region 330. In this way, the weak portion 410 is formed along the boundary between the multiple regions 3000. This not only makes it easier to deform the heating sheet 300A when wrapping it around the storage section 40 when the boundary and the rotation axis during wrapping extend in approximately the same direction, but also makes it possible to identify the boundary, allowing for more accurate wrapping.
  • the fragile portion 410 may have at least one of a notch and an opening in addition to or instead of the recess. In this case, the deformation of the heating sheet 300A can be facilitated.
  • the fragile portion 410 can be formed continuously or intermittently along the second direction. This allows the ease of deformation of the heating sheet 300A to be adjusted. From the viewpoint of further facilitating deformation of the heating sheet 300A, it is preferable that at least one of the recess, notch and opening constituting the fragile portion 410 is formed on the back side of the surface of the heating sheet 300A on which the storage portion 40 is placed when wrapped.
  • each region 3000 may be provided with a first fixing portion that fixes the layer that constitutes each region 3000 to an adjacent layer or the storage section 40 when the heating sheet 300 is wrapped around the storage section 40.
  • FIG. 10 is a side view showing a schematic diagram of heating sheet 300B of this modified example.
  • Heating sheet 300B has a similar configuration to heating sheet 300 in the above-described embodiment, but differs from heating sheet 300 in that first fixing portions 511, 512, and 513 are arranged in first region 310, second region 320, and third region 330, respectively.
  • the first fixing portion 511 fixes the first electrically insulating base 311 to the storage portion 40 in the wound state.
  • the first fixing portion 512 fixes the second electrically insulating base 321 to the surface of the first region 310 on the heating portion 50 side in the wound state.
  • the first fixing portion 513 fixes the third electrically insulating base 331 to the surface of the second region 320 on the temperature sensor 60 side.
  • the first fixing portions 511, 512, 513 of this modified example are arranged on the surface that is radially inward in the wound state in each region 3000, and fix between the layer that constitutes each region 3000 and the layer inside it.
  • the first fixing portions 511, 512, 513 are not particularly limited as long as they can withstand the heat of the heating portion 50 and are capable of such fixation, but are composed of a heat-resistant adhesive, for example.
  • the number of the first fixing portions 511, 512, 513 arranged in each region 3000 is not particularly limited, and can be 1 or more.
  • each of the multiple regions 3000 has at least one first fixing portion 511, 512, 513 that fixes each of the multiple regions 3000 to an adjacent surface when the heating sheet 300B is wrapped around the outer wall 42 of the storage section 40. This allows each region 3000 to be fixed, and the heating sheet 300B can be wrapped around the storage section 40 with even greater precision.
  • the extension portion 39 may be provided with a second fixing portion that fixes the extension portion 39 to the storage portion 40 when the heating sheet 300 is wrapped around the storage portion 40 .
  • FIG. 11 is a cross-sectional view showing a schematic of extension portion 39A according to this modified example, and corresponds to cross section B-B in FIG. 4.
  • Extension portion 39A has a similar configuration to extension portion 39 in the above-described embodiment, but differs from extension portion 39 in that a second fixing portion 520 is disposed on the back side of the surface on which first terminal 390A and second terminal 390B are disposed.
  • the second fixing portion 520 fixes the extended electrical insulating base 391 to the storage portion 40 in the wound state.
  • the second fixing portion 520 in this modified example is disposed on the surface of the extended portion 39A that is radially inward in the wound state.
  • the second fixing portion 520 may be formed of, for example, a heat-resistant adhesive, as long as it can withstand the heat of the heating portion 50 and can fix the extended electrical insulating base 391 to the storage portion 40.
  • the extension portion 39A in this modified example is provided with a second fixing portion 520 for fixing the extension portion 39A to the outer wall 42 of the storage portion 40 on the reverse side of the surface on which the multiple terminals 390 are formed.
  • This allows the heating sheet 300 to be wrapped around the storage portion 40 with even greater precision.
  • the heat insulating section 70 may have a honeycomb structure that defines an air layer.
  • FIG. 12 is a plan view showing a schematic of the insulating section 70A according to this modified example.
  • the insulating section 70A comprises a spacer 71 having a honeycomb structure and an air layer 72 defined by the spacer 71.
  • the spacer 71 extends in a direction (Z-axis direction) substantially perpendicular to the electrical insulating base 3, and the space surrounded by the hexagonal spacer 71 in top view forms the air layer.
  • the honeycomb structure has high strength, which reduces the possibility of the insulating section 70 being damaged when the heating sheet 300 is wrapped around the storage section 40.
  • a protective portion for protecting the heat insulating portion 70 or the like may be provided on the heating sheet 300.
  • Figure 13 is a plan view showing a heating sheet 300C of this modified example.
  • Figure 14 is a side view showing a heating sheet 300C.
  • the heating sheet 300C has a first region 310, a second region 320 and an extension portion 39 of the same configuration as the heating sheet 300.
  • the third region 330 of the heating sheet 300C has a thermal diffusion portion 80 arranged on the third electrically insulating base 331.
  • the heating sheet 300C has a fourth region 340 and a fifth region 350 which are the fourth and fifth layers of the heating sheet 300C from the radially inner side in the wrapped state.
  • the fourth region 340 has a fourth electrically insulating base 341 and a heat insulating portion 70.
  • the fifth region 350 has a fifth electrically insulating base 351 and a protective portion 90.
  • the multiple regions 3000 are a first region 310, a second region 320, a third region 330, a fourth region 340, and a fifth region 350, which are arranged in this order along the first direction (arrow A10).
  • the first electrically insulating base 311, the second electrically insulating base 321, the third electrically insulating base 331, the fourth electrically insulating base 341, the fifth electrically insulating base 351, and the extended electrically insulating base 391 are integrally formed as the electrically insulating base 3.
  • the boundary between the third region 330 and the fourth region 340, and the boundary between the fourth region 340 and the fifth region 350 are shown diagrammatically by dashed lines B3 and B4, respectively.
  • the heating sheet 300C of this modified example When the heating sheet 300C of this modified example is wrapped around, five layers of the heating sheet 300C are formed. From the inside in the radial direction, the heating section 50 is formed in the first layer, the temperature sensor 60 in the second layer, the thermal diffusion section 80 in the third layer, the insulation section 70 in the fourth layer, and the protection section 90 in the fifth layer.
  • the thermal diffusion unit 80 includes a thermal diffusion member including a material having a higher thermal conductivity than the electrical insulating base 3.
  • the thermal diffusion unit 80 diffuses heat in the circumferential direction when wrapped around the base 3, suppressing temperature variations. This prevents the temperature sensor 60 from being misaligned when the heating sheet 300C is wrapped around the storage unit 40, and thus prevents the accuracy of the temperature sensor 60 from decreasing.
  • the thermal diffusion unit 80 preferably includes aluminum or graphite formed in a sheet shape.
  • the thermal diffusion unit 80 can make the temperature in the heating sheet 300C more uniform, preventing the occurrence of any high-temperature portions.
  • the thermal diffusion unit 80 is preferably arranged in the region 3000 other than the first region 310 in which the heating unit 50 is arranged, and is preferably arranged in the region 3000 between the first region 310 and the region in which the thermal insulation unit 70 is arranged.
  • the heating sheet 300C is configured so that the thermal diffusion unit 80 is on the outside of the temperature sensor 60 in the wrapped state. In other words, it is preferable that the thermal diffusion unit 80 is disposed at a position farther away from the temperature sensor 60 along the first direction (X-axis direction) with respect to the first region 310 in which the heating unit 50 is disposed.
  • the thermal diffusion unit 80 can be disposed on the heating sheet 300C so that it is disposed on the inside of the position where the temperature sensor 60 is disposed in the wrapped state. In other words, the thermal diffusion unit 80 may be disposed at a position closer to the temperature sensor 60 along the first direction with respect to the first region 310.
  • the protective part 90 protects the insulating part 70 arranged inside the protective part 90 in the wound state. From this viewpoint, it is preferable that the protective part 90 is arranged in an area adjacent to the insulating part 70. It is preferable that the protective part 90 is arranged in a position farther than the insulating part 70 along the first direction, based on the first area 310.
  • the protective part 90 may be configured with the electrical insulating base 3 as long as it can cover the insulating part 70.
  • the protective part 90 may be a sheet-like member formed on the electrical insulating base 3. The member may be configured with resin or the like.
  • the insulating part 70 When the insulating part 70 has a three-dimensional structure such as a honeycomb structure or a sponge-like structure, it may be damaged by contact with an external object or deterioration may be accelerated by the outside air. Such adverse effects can be suppressed by covering the insulating part 70 with the protective part 90. Furthermore, when the insulating part 70 contains a fibrous substance, the release of fine fragments can be suppressed by covering with the protective part 90.
  • the heating sheet 300C may include only one of the thermal diffusion section 80 and the protective section 90.
  • the number of heat insulating sections 70, the number of thermal diffusion sections 80, or the number of protective sections 90 arranged on the heating sheet 300C is not particularly limited and can be one or more.
  • the heat insulating section 70, the thermal diffusion section 80, and the protective section 90 are arranged on one side of the heating sheet 300C.
  • some of the heat insulating section 70, the thermal diffusion section 80, and the protective section 90 may be arranged on one side of the heating sheet 300C, and the other parts may be arranged on the other side.
  • At least one of the heat insulating section 70, the thermal diffusion section 80, and the protective section 90 may be arranged on both sides of the heating sheet 300C.
  • FIG. 15 is a plan view showing a heating sheet 300D of this modified example.
  • FIG. 16 is a side view showing a heating sheet 300D.
  • the heating sheet 300D has a first region 310, a second region 320, and an extension section 39, which are configured similarly to the heating sheet 300.
  • the third region 330 of the heating sheet 300D has a heat insulating section 70 arranged on the surface of the third electrically insulating base 331 on which the heating section 50 is arranged, and a thermal diffusion section 80 arranged on the opposite surface.
  • the fourth region 340 of the heating sheet 300D has a fourth electrically insulating base 341 and a protective section 90.
  • the heating sheet 300D is wound around the sheet to form four layers. From the inside in the radial direction, the heating section 50 is formed in the first layer, the temperature sensor 60 is formed in the second layer, the thermal diffusion section 80 and the heat insulating section 70 are formed in that order from the inside in the third layer, and the protective section 90 is formed in the fourth layer.
  • the thermal diffusion section 80 is arranged on the reverse side of the surface of the electrically insulating base 3 on which the thermal insulation section 70 is arranged, so that it is located radially inward of the thermal insulation section 70 when wrapped around.
  • the heating sheet 300D of this modified example the heating sheet 300D can be made shorter, and the heating assembly 30 can be provided more efficiently.
  • each section, such as the thermal diffusion section 80, to be arranged on both sides more flexible design is possible.
  • the thermal diffusion section 80 comes into contact with the temperature sensor 60 on the radially inner side.
  • the temperature sensor 60 may be disposed on the opposite side of the surface of the electrically insulating base 3 on which the heat insulating portion 70 is disposed. This modification can also achieve the same effects as the above-described embodiment, and the increased freedom in the arrangement of the temperature sensor 60 allows for flexible design.
  • FIG. 17 is a plan view showing a heating sheet 300E of this modified example.
  • FIG. 18 is a side view showing a heating sheet 300E.
  • the heating sheet 300E has a first region 310 having a configuration similar to that of the heating sheet 300.
  • the second region 320 of the heating sheet 300E has a second electrically insulating base 321.
  • the third region 330 of the heating sheet 300E has a heat insulating section 70 arranged on the surface of the third electrically insulating base 331 on which the heating section 50 is arranged, and a temperature sensor 60 arranged on the opposite surface.
  • the fourth region 340 of the heating sheet 300D has a fourth electrically insulating base 341 and a protective section 90.
  • the heating sheet 300E is wound in a four-layered state. From the inside in the radial direction, the heating section 50 is formed in the first layer, the temperature sensor 60 and the heat insulating section 70 are formed in that order from the inside in the third layer, and the protective section 90 is formed in the fourth layer.
  • the heating sheet 300 may be wrapped around the housing 40 so that the surface on which the heating unit 50 is disposed is in contact with the housing 40. This shortens the distance between the heating unit 50 and the consumable product 200, so that the consumable product 200 can be heated more efficiently.
  • FIG. 19 is a conceptual diagram showing a manufacturing method of the heating sheet 300F of this modified example.
  • the heating sheet 300F has a similar configuration to the above-mentioned heating sheet 300, but differs from the heating sheet 300 in that first fixing parts 511, 512, 513 are formed on the surface on which the heating part 50 is arranged.
  • the housing part 40A has an outer wall 42 coated with an electrical insulator 49. The housing part 40A may come into contact with electric/electronic components such as the heating part 50 or the temperature sensor 60 during wrapping, but the coating with the electrical insulator 49 suppresses adverse effects such as short circuits.
  • the storage section 40A is placed at a winding position on the surface of the heating sheet 300F on which the heating section 50 is placed.
  • a portion of the heating sheet 300F on the side opposite the winding position on which the second region 320 is placed is wrapped around the storage section 40A placed at the winding position (see arrow A300).
  • a portion of the heating sheet 300F on the side on which the second region 320 is placed is wrapped around the winding position (see arrow A400).
  • the outer wall surface of the housing 40 is coated with an electrical insulator 49, and a heating sheet 300F is wrapped around the housing 40 so that the heating unit 50 is in contact with the electrical insulator 49. This improves the heating efficiency while suppressing adverse effects such as short circuits.
  • the heating assembly 30 may include a heat shrink tube, which can further prevent the heating sheet 300 from shifting when wrapped around the heating sheet 300.
  • FIG. 20 is a cross-sectional view showing a schematic diagram of the heating assembly 30A of this modified example.
  • FIG. 20 shows a cross section perpendicular to the insertion direction of the consumable product 200 in the heating assembly 30A.
  • the heating assembly 30A includes a storage section 40 and the heating sheet 300C of the modified example described above.
  • the first layer 31 of the heating assembly 30A includes a first electrically insulating base 311 and a heating section 50.
  • the second layer 32 of the heating assembly 30A includes a second electrically insulating base 321 and a temperature sensor 60.
  • the third layer 33 of the heating assembly 30A includes a third electrically insulating base 331 and a thermal diffusion section 80.
  • the fourth layer 34 of the heating assembly 30A includes a fourth electrically insulating base 341 and a heat insulating section 70.
  • the fifth layer 35 of the heating assembly 30A includes a fifth electrically insulating base 351.
  • the heating assembly 30A includes a cylindrical heat shrink tube 600 that is placed in contact with the outside of the fifth layer 35.
  • the heat shrink tube 600 presses the heating sheet 300C radially inward, suppressing misalignment inside the heating assembly 30A.
  • the heat shrink tube 600 is placed around the heating sheet 300C wrapped around the housing 40, and then the heat shrink tube 600 is shrunk by heating.
  • the heat shrink tube 600 can be placed on any of the heating sheets 300 described above.

Landscapes

  • Resistance Heating (AREA)

Abstract

Cette feuille chauffante est pourvue d'une base d'isolation électrique de type feuille, et d'une partie de chauffage pour chauffer une partie de réception qui reçoit un article de génération d'arôme, et est en outre pourvue d'une pluralité de régions disposées côte à côte dans une première direction. La pluralité de régions comprend une première région, une deuxième région et une troisième région servant de 1ère, 2ème et 3ème couches de feuille chauffante depuis l'intérieur, respectivement, lorsque la feuille chauffante est enroulée autour de la paroi extérieure de la partie de réception La première région comprend la partie de chauffage
PCT/JP2022/037596 2022-10-07 2022-10-07 Feuille chauffante, ensemble chauffant et inhalateur d'arôme Ceased WO2024075272A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/037596 WO2024075272A1 (fr) 2022-10-07 2022-10-07 Feuille chauffante, ensemble chauffant et inhalateur d'arôme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/037596 WO2024075272A1 (fr) 2022-10-07 2022-10-07 Feuille chauffante, ensemble chauffant et inhalateur d'arôme

Publications (1)

Publication Number Publication Date
WO2024075272A1 true WO2024075272A1 (fr) 2024-04-11

Family

ID=90607916

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/037596 Ceased WO2024075272A1 (fr) 2022-10-07 2022-10-07 Feuille chauffante, ensemble chauffant et inhalateur d'arôme

Country Status (1)

Country Link
WO (1) WO2024075272A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013509160A (ja) * 2009-10-29 2013-03-14 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 加熱器が改善された電気加熱式喫煙システム
JP2017164191A (ja) * 2016-03-15 2017-09-21 凸版印刷株式会社 経皮投与デバイス
JP2020516306A (ja) * 2017-04-18 2020-06-11 アモセンス・カンパニー・リミテッドＡｍｏｓｅｎｓｅ Ｃｏ．， Ｌｔｄ． 巻きタバコ型電子タバコ装置用発熱ヒーター
JP2020527955A (ja) * 2017-07-21 2020-09-17 アモセンス・カンパニー・リミテッドＡｍｏｓｅｎｓｅ Ｃｏ．， Ｌｔｄ． 巻きタバコ型電子タバコ用ヒーター組立体およびこれを含む巻きタバコ型電子タバコ
WO2021084746A1 (fr) * 2019-11-01 2021-05-06 日本たばこ産業株式会社 Unité de chauffage
WO2021116354A1 (fr) * 2019-12-13 2021-06-17 Jt International Sa Ensemble de chauffage
WO2021214924A1 (fr) * 2020-04-23 2021-10-28 日本たばこ産業株式会社 Unité de chauffage pour inhalateur d'arôme, et inhalateur d'arôme
WO2022090156A1 (fr) * 2020-10-28 2022-05-05 Philip Morris Products S.A. Tube chauffant à isolation thermique et isolation électrique

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013509160A (ja) * 2009-10-29 2013-03-14 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 加熱器が改善された電気加熱式喫煙システム
JP2017164191A (ja) * 2016-03-15 2017-09-21 凸版印刷株式会社 経皮投与デバイス
JP2020516306A (ja) * 2017-04-18 2020-06-11 アモセンス・カンパニー・リミテッドＡｍｏｓｅｎｓｅ Ｃｏ．， Ｌｔｄ． 巻きタバコ型電子タバコ装置用発熱ヒーター
JP2020527955A (ja) * 2017-07-21 2020-09-17 アモセンス・カンパニー・リミテッドＡｍｏｓｅｎｓｅ Ｃｏ．， Ｌｔｄ． 巻きタバコ型電子タバコ用ヒーター組立体およびこれを含む巻きタバコ型電子タバコ
WO2021084746A1 (fr) * 2019-11-01 2021-05-06 日本たばこ産業株式会社 Unité de chauffage
WO2021116354A1 (fr) * 2019-12-13 2021-06-17 Jt International Sa Ensemble de chauffage
WO2021214924A1 (fr) * 2020-04-23 2021-10-28 日本たばこ産業株式会社 Unité de chauffage pour inhalateur d'arôme, et inhalateur d'arôme
WO2022090156A1 (fr) * 2020-10-28 2022-05-05 Philip Morris Products S.A. Tube chauffant à isolation thermique et isolation électrique

Similar Documents

Publication Publication Date Title
ES2893255T3 (es) Disposición de calentamiento inductivo que comprende un sensor de temperatura
JP6840289B2 (ja) エアロゾル生成装置
JP7620615B2 (ja) エアロゾル発生デバイス
CN114340421A (zh) 加热器组件
KR20190049394A (ko) 에어로졸 생성 장치
KR20190016907A (ko) 에어로졸 생성 장치용 히터
KR20200109705A (ko) 에어로졸 발생장치의 히터 구조
JP2025060863A (ja) 香味吸引器用加熱ユニット及び香味吸引器
KR102901542B1 (ko) 단열 및 전기적 절연 기능이 있는 히터 튜브
WO2024075272A1 (fr) Feuille chauffante, ensemble chauffant et inhalateur d'arôme
CN115361883B (zh) 保护电路模块和包括其的气溶胶生成装置
JP2025138841A (ja) 香味吸引器及び喫煙システム
US20230363459A1 (en) Aerosol provision device
KR20230012643A (ko) 에어로졸화 가능한 재료를 가열하기 위한 장치
US20250107567A1 (en) Aerosol generating apparatus
KR20230014746A (ko) 에어로졸화 가능한 재료를 가열하기 위한 장치
EP4523555A1 (fr) Système de génération d'aérosol et procédé de fabrication de système de génération d'aérosol
US20240260663A1 (en) Flavor inhaler and smoking system
KR20240088936A (ko) 열 소산을 갖는 에어로졸 발생 장치
KR20250011180A (ko) 향미 흡인기, 향미 흡인 시스템 및 끽연 시스템
WO2024127617A1 (fr) Inhalateur d'arôme et procédé de fabrication d'inhalateur d'arôme
JP2024541343A (ja) エアロゾル発生装置のためのヒーター要素の温度の測定
WO2023070285A1 (fr) Ensemble de chauffage pour dispositif de génération d'aérosol
KR20250022358A (ko) 에어로졸 발생 장치용 히팅 디바이스
WO2025257919A1 (fr) Inhalateur d'arôme, système d'inhalation d'arôme et boîtier pour inhalateur d'arôme

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22961458

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22961458

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP