WO2023286194A1 - Inhalateur d'arôme et procédé de fabrication d'un dispositif chauffant - Google Patents

Inhalateur d'arôme et procédé de fabrication d'un dispositif chauffant Download PDF

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Publication number
WO2023286194A1
WO2023286194A1 PCT/JP2021/026426 JP2021026426W WO2023286194A1 WO 2023286194 A1 WO2023286194 A1 WO 2023286194A1 JP 2021026426 W JP2021026426 W JP 2021026426W WO 2023286194 A1 WO2023286194 A1 WO 2023286194A1
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WO
WIPO (PCT)
Prior art keywords
heater
flavor inhaler
electrodes
body portion
heater element
Prior art date
Application number
PCT/JP2021/026426
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English (en)
Japanese (ja)
Inventor
凌太 松葉
康信 井上
学 山田
Original Assignee
日本たばこ産業株式会社
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Filing date
Publication date
Application filed by 日本たばこ産業株式会社 filed Critical 日本たばこ産業株式会社
Priority to PCT/JP2021/026426 priority Critical patent/WO2023286194A1/fr
Publication of WO2023286194A1 publication Critical patent/WO2023286194A1/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

Definitions

  • the present invention relates to a method for manufacturing a flavor inhaler and a heater.
  • flavor inhalers for inhaling flavors without burning materials have been known.
  • the flavor inhaler has, for example, a chamber containing a flavor generating article and a heater for heating the flavor generating article contained in the chamber. (See Patent Document 1).
  • An external heater as disclosed in Patent Document 1 uses a conductive track as a resistance heating element.
  • conductive tracks are distributed along the surface of the heater, making it difficult to uniformly heat the outer circumference of the flavor-generating article (consumable article).
  • One of the purposes of the present invention is to more uniformly heat smokable substances contained in consumables.
  • a flavor inhaler has a sheet heater for heating the smokable material.
  • the heater has a sheet-like heater element.
  • the heater element has a plurality of independent holes.
  • a plurality of conductive paths are formed by forming a plurality of independent holes in the heater element, so that the heater element can generate heat uniformly within the plane. Also, by forming a plurality of independent holes at more equal intervals, the heater element can generate heat more uniformly. Furthermore, since the holes can be punched into the heater element, the manufacturing process of the heater can be simplified as compared to conventional etching to form the conductive tracks.
  • a gist of a second aspect is that, in the first aspect, it has a storage section that stores consumables including the smokable article, and the heater is wound around the storage section.
  • the smokable consumables stored in the storage section can be uniformly heated from the outside by the heater.
  • a gist of a third aspect is that in the first aspect or the second aspect, the heater is flexible and has a minimum bending radius of 3 mm or less.
  • the heater can be easily curved so as to surround the consumables that are generally distributed or the storage section that stores the same.
  • a gist of a fourth aspect is that in any one of the first to third aspects, the heater has a thickness of 50 ⁇ m or less.
  • the space for arranging the heater can be reduced.
  • the heater since the heater is thin, the heater can be easily curved so as to surround a commonly distributed consumable product or a container for containing the same.
  • the heater since the heater is thin, hole processing by punching is facilitated.
  • the heater includes a pair of electrodes electrically connected to the heater element, and the heater element is provided with each of the pair of electrodes. and a body portion in which the plurality of holes are formed.
  • the term “electrode” refers to a portion of the heater that has a lower resistance than, for example, a heater element and that contributes relatively less to heat generation.
  • a sixth aspect is the fifth aspect, wherein the first portion and the second portion are separated in a first direction, and each of the pair of electrodes extends over the entire length in a second direction orthogonal to the first direction. and provided in the first portion and the second portion.
  • the entire heater element can be uniformly heated.
  • a seventh aspect is the fifth aspect, wherein the first portion and the second portion are spaced apart in a first direction, and each of the pair of electrodes is part of a second direction perpendicular to the first direction.
  • the resistance of the body portion provided in the first portion and the second portion and located between the pair of electrodes is greater than the resistance of the body portion located at a different position in the second direction. This is the gist.
  • the main body portion existing between the electrodes may locally generate heat.
  • the resistance of the main body portion between the electrodes is made higher than the resistance of the main body portion located at a different position in the second direction, that is, the main body portion not sandwiched between the electrodes. Current flows more easily even in parts of the body that are not connected. As a result, the heater element can be heated more uniformly.
  • An eighth aspect is characterized in that, in the seventh aspect, the body portion located between the pair of electrodes has a higher porosity than the body portion located at a different position in the second direction. do.
  • the resistance of the body portion between the electrodes can be made greater than the resistance of the body portion located at a different position in the second direction, that is, the body portion not sandwiched between the electrodes. As a result, it becomes easier for the current to flow through the main body portion that is not sandwiched between the electrodes, so that the heater element can generate heat more uniformly.
  • a ninth aspect is characterized in that, in the seventh aspect or the eighth aspect, the thickness of the body portion located between the pair of electrodes is smaller than the thickness of the body portion located at a different position in the second direction. do.
  • the resistance of the body portion between the electrodes can be made greater than the resistance of the body portion located at a different position in the second direction, that is, the body portion not sandwiched between the electrodes. As a result, it becomes easier for the current to flow through the main body portion that is not sandwiched between the electrodes, so that the heater element can generate heat more uniformly.
  • the sheet-shaped heater is curved in a tubular shape, and the pair of electrodes are arranged to extend in the axial direction of the tubularly curved heater. 2) disposed on the heater element.
  • the electrodes can be prevented from being curved along the circumferential direction of the heater. Therefore, application of stress to the electrodes can be suppressed, and the electrodes can be prevented from peeling off from the heater element.
  • the gist of the eleventh aspect is that in any one of the fifth to tenth aspects, the ratio of the total area of the plurality of holes to the area of the main body portion is 50% or less.
  • the bending strength of the heater alone is increased, and the shape can be easily maintained. Therefore, the heater can be easily handled, and the heater can be attached easily, so that a flavor inhaler to which the heater is more stably attached is provided.
  • a twelfth aspect is any one of the fifth to eleventh aspects, wherein the main body portion extends further downstream than the downstream end of the smokable article in the longitudinal direction of the smokable article. This is the gist of it.
  • the downstream end of the smokable article can be reliably heated by the heater. Accordingly, the aggregation of vapor or aerosol at the downstream end of the smokable article can be inhibited, thereby improving the amount of vapor or aerosol delivered.
  • a thirteenth aspect is any one of the first to twelfth aspects, and has an insertion side end into which the consumable including the smokable article is inserted, and the heater comprises a first region and the first region.
  • the gist of the invention is that it has a second region closer to the insertion side end than the second region, and the porosity of the second region is higher than the porosity of the first region.
  • the portion near the insertion side end of the smokable article that is, the portion near the mouthpiece can be heated more, the aggregation of steam or aerosol on the downstream side of the smokable article is suppressed. can be This can improve the delivery of vapor or aerosol generated by the smokable article.
  • a fourteenth aspect is characterized in that, in any one of the first to thirteenth aspects, the heater element has a volume resistivity of 7.4 ⁇ 10 ⁇ 7 m ⁇ or more.
  • the heater even when the thickness of the heater is set to such an extent that the heater can be curved so as to surround the generally distributed consumables or the storage section that stores the same, the heater The resistance of the element can be such that it can adequately heat the smokable article of the consumable.
  • a fifteenth aspect is characterized in that, in any one of the first to fourteenth aspects, the heater element is made of stainless steel, nichrome, or a carbon material.
  • the heater element can have a resistance such that the smokable article can be heated appropriately.
  • a sixteenth aspect is characterized in that, in the fifteenth aspect, the heater element is made of the carbon material, and the carbon material includes graphite, carbon black, or carbon nanotubes.
  • the heater element can have a resistance such that the smokable article can be heated appropriately. Moreover, since the emissivity of the heater element is increased, the temperature of the object to be heated can be increased more quickly. In particular, the temperature of the object to be heated can be remarkably raised when the container for the object to be heated is made of a transparent material such as glass.
  • This heater manufacturing method includes punching a sheet-like heater element to form a plurality of independent holes and forming a pair of electrodes in the heater element.
  • a plurality of conductive paths are formed by forming a plurality of independent holes in the heater element, so that the heater element can generate heat uniformly within the plane. Also, by forming a plurality of independent holes at more equal intervals, the heater element can generate heat more uniformly. Furthermore, since the holes can be punched into the heater element, the manufacturing process of the heater can be simplified as compared to conventional etching to form the conductive tracks.
  • the gist of the eighteenth aspect is that in the seventeenth aspect, an insulating film is laminated on at least one surface of the heater element in which the hole and the pair of electrodes are formed.
  • the heater when the heater is attached and fixed to the conductive member, for example, the housing portion, the heater is prevented from being short-circuited with the conductive member by interposing the insulating film.
  • FIG. 1 is a schematic cross-sectional side view of a consumable
  • FIG. 3 is a cross-sectional view of the flavor inhaler taken along line 3-3 shown in FIG. 1B;
  • FIG. It is a schematic plan view of a heater.
  • FIG. 4 is a schematic diagram showing a heater wrapped around a chamber; Fig. 3 shows a schematic cross-sectional view of a chamber containing consumables; It is a model top view of the heater which concerns on other embodiment.
  • It is the schematic which shows the manufacturing process of a heater.
  • It is the schematic which shows the manufacturing process of a heater.
  • the schematic which shows the manufacturing process of a heater. is the schematic which shows the manufacturing process of a heater.
  • FIG. 1A is a schematic front view of the flavor inhaler 100 according to this embodiment.
  • FIG. 1B is a schematic top view of the flavor inhaler 100 according to this embodiment.
  • FIG. 1C is a schematic bottom view of the flavor inhaler 100 according to this embodiment.
  • an XYZ orthogonal coordinate system may be attached for convenience of explanation. In this coordinate system, the Z axis points vertically upward, the XY plane is arranged to cut the flavor inhaler 100 horizontally, and the Y axis extends from the front to the back of the flavor inhaler 100. arranged to come out.
  • the Z-axis can also be said to be the direction of insertion of consumables contained in the chamber 50 of the atomizing section 30 described later or the axial direction of the chamber 50 .
  • the X-axis direction can also be said to be the longitudinal direction of the device in a plane perpendicular to the direction in which the consumable is inserted, or the direction in which the heating section and the power supply section are aligned.
  • the Y-axis direction can also be said to be the lateral direction of the device in a plane perpendicular to the direction of insertion of the consumable.
  • the direction parallel to the XY plane is the direction orthogonal to the axial direction of the chamber 50, and can also be called the radial direction.
  • the circumferential direction refers to the circumferential direction around the insertion direction of the consumable or the axial direction of the chamber 50 .
  • the flavor inhaler 100 is configured, for example, to generate flavor-containing aerosol by heating a stick-shaped consumable having a smokable material containing an aerosol source and a flavor source.
  • the flavor inhaler 100 can be composed of a slide cover 90 and a main body 120.
  • the main body 120 has an outer housing 101 and a switch section 103 .
  • Outer housing 101 forms the outermost housing of flavor inhaler 100 and is sized to fit in the user's hand. When a user uses the flavor inhaler 100, the body 120 can be held by hand to inhale the aerosol.
  • Outer housing 101 may be configured by assembling a plurality of members.
  • the outer housing 101 has an opening 101a into which consumables are inserted.
  • the slide cover 90 is slidably attached to the outer housing 101 so as to close the opening 101a. Specifically, the slide cover 90 moves between a closed position (position shown in FIG. 1A) that closes the opening 101a of the outer housing 101 and an open position (position shown in FIG. 1B) that opens the opening 101a. It is configured to be movable along the outer surface of the outer housing 101 . For example, the user can manually operate the slide cover 90 to move the slide cover 90 between the closed position and the open position. The sliding cover 90 thereby allows or restricts access of consumables to the interior of the flavor inhaler 100 .
  • the switch section 103 is used to switch the operation of the flavor inhaler 100 between on and off. For example, by operating the switch unit 103 with the consumable material inserted into the flavor inhaler 100, the user can supply power from a power source (not shown) to a heating unit (not shown) to heat the consumable material without burning it. can be done.
  • the switch section 103 may have a switch provided outside the outer housing 101 or may have a switch positioned inside the outer housing 101 . When the switch is located inside the outer housing 101 , the switch is indirectly pressed by pressing the switch portion 103 on the surface of the outer housing 101 . In this embodiment, an example in which the switches of the switch section 103 are located inside the outer housing 101 will be described.
  • the flavor inhaler 100 may further have a terminal (not shown).
  • a terminal may be an interface that connects the flavor inhaler 100 to, for example, an external power source.
  • the power source of the flavor inhaler 100 is a rechargeable battery
  • current can flow from the external power source to the power source to charge the power source.
  • data transmission cable to the terminal, data related to the operation of the flavor inhaler 100 may be transmitted to an external device.
  • FIG. 2 is a schematic side cross-sectional view of consumable 110 .
  • the flavor inhaler 100 and the consumable 110 may constitute a smoking system.
  • consumable article 110 includes smokable article 111 , tubular member 114 , hollow filter portion 116 and filter portion 115 .
  • a smokable article 111 is wrapped by a first wrapping paper 112 .
  • the tubular member 114 , the hollow filter portion 116 and the filter portion 115 are wrapped with a second wrapping paper 113 different from the first wrapping paper 112 .
  • the second wrapping paper 113 also wraps a portion of the first wrapping paper 112 that wraps the smokable article 111 .
  • the tubular member 114, the hollow filter portion 116, the filter portion 115 and the smokable article 111 are connected.
  • second wrapping paper 113 may be omitted and first wrapping paper 112 may be used to connect tubular member 114, hollow filter portion 116, and filter portion 115 to smokable article 111.
  • the tubular member 114 and the second wrapping paper 113 covering the tubular member 114 may be provided with an aperture V. As shown in FIG.
  • the opening V is a hole for facilitating the inflow of air from the outside normally by the user's suction, and the inflow of air can lower the temperature of the components and the air flowing in from the smokable article 111 .
  • a lip release agent 117 is applied to the outer surface of the second wrapping paper 113 in the vicinity of the filter portion 115 side end to prevent the user's lips from sticking to the second wrapping paper 113 .
  • a portion of the consumable product 110 to which the lip release agent 117 is applied functions as a mouthpiece for the consumable product 110 .
  • the smokable material 111 may include a flavor source, such as tobacco, and an aerosol source.
  • the first wrapping paper 112 around which the smokable article 111 is wrapped may be a breathable sheet member.
  • Tubular member 114 may be a paper tube or hollow filter.
  • the consumable item 110 includes a smokable article 111, a tubular member 114, a hollow filter portion 116, and a filter portion 115, but the configuration of the consumable item 110 is not limited to this.
  • hollow filter portion 116 may be omitted, and cylindrical member 114 and filter portion 115 may be arranged adjacent to each other.
  • FIG. 3 is a cross-sectional view of flavor inhaler 100 taken along line 3-3 shown in FIG. 1B.
  • the slide cover 90 is positioned at the closed position.
  • the inner housing 10 is accommodated inside the outer housing 101 of the flavor inhaler 100 .
  • the inner housing 10 is made of, for example, a resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), or a polymer alloy containing a plurality of types of polymers, or It can be made of metal such as aluminum.
  • the inner housing 10 is preferably made of PEEK.
  • the material of the inner housing 10 is not particularly limited.
  • a power supply section 20 and an atomization section 30 are provided in the inner space of the inner housing 10 .
  • the outer housing 101 is made of, for example, a resin, particularly polycarbonate (PC), ABS (Acrylonitrile-Butadiene-Styrene) resin, PEEK (polyetheretherketone), or a polymer alloy containing a plurality of types of polymers. Alternatively, it may be made of metal such as aluminum.
  • the power supply unit 20 has a power supply 21 .
  • Power source 21 may be, for example, a rechargeable battery or a non-rechargeable battery.
  • the power supply 21 is electrically connected to the atomizing section 30 via a PCB (Printed Circuit Board) (not shown) or the like. Thereby, the power source 21 can supply power to the atomization section 30 so as to appropriately heat the consumable material 110 .
  • PCB Print Circuit Board
  • the atomization section 30 includes a chamber 50 (corresponding to an example of a storage section) extending in the insertion direction (Z-axis direction) of the consumable material 110, a heating section 40 surrounding a part of the chamber 50, and a heat-insulating section. It has a portion 32 and a substantially cylindrical insertion guide member 34 .
  • Chamber 50 is configured to contain consumables 110 .
  • the chamber 50 is preferably made of a material having heat resistance and a small coefficient of thermal expansion.
  • the chamber 50 can be made of metal such as stainless steel, resin such as PEEK, glass, or ceramic.
  • a bottom member 36 may be provided at the bottom of the chamber 50 as shown. Bottom member 36 may act as a stop to position consumable 110 inserted into chamber 50 .
  • the bottom member 36 has unevenness on the surface with which the consumable material 110 abuts, and can define a space capable of supplying air to the surface with which the consumable material 110 abuts.
  • the bottom member 36 may be made of, for example, a resin material such as PEEK, metal, glass, ceramic, or the like, but is not particularly limited to this.
  • the material forming the bottom member 36 may be a material having a lower thermal conductivity than the material forming the chamber 50 .
  • an adhesive that can be composed of a resin material such as epoxy resin or an inorganic material can be used.
  • the heating unit 40 includes a sheet-like heater (to be described later) for heating the smokable material 111 of the consumable material 110 .
  • the heater of heating portion 40 is arranged to surround smokable article 111 of consumable 110 .
  • the heaters of the heating unit 40 can be arranged so as to surround the chamber 50 .
  • the heating unit 40 is configured to contact the outer peripheral surface of the chamber 50 and heat the consumable material 110 accommodated in the chamber 50 .
  • the heating unit 40 may further include a heat insulating member positioned outside the sheet-shaped heater, or a shrinkable tube or the like for fixing the heater or the like to the chamber 50 .
  • the heater of the heating unit 40 is configured to heat the smokable material 111 of the consumables 110 housed in the chamber 50 from the outside.
  • the heater of the heating unit 40 may be provided on the outer surface of the side wall of the chamber 50, or may be provided on the inner surface.
  • the heat insulation part 32 is generally cylindrical as a whole, and is arranged so as to surround the chamber 50 and the heating part 40 .
  • the heat insulating portion 32 may include, for example, an airgel sheet.
  • the heat insulation part 32 is arranged so as to be separated from the chamber 50 and the heating part 40 , and an air layer is formed between the heat insulation part 32 and the chamber 50 and the heating part 40 .
  • the insertion guide member 34 is made of a resin material such as PEEK, PC, or ABS, and is provided between the slide cover 90 in the closed position and the chamber 50 .
  • the flavor inhaler 100 also has a first holding portion 37 and a second holding portion 38 for holding the heat insulating portion 32 .
  • the first holding portion 37 and the second holding portion 38 can be made of elastomer such as silicone rubber, for example. As shown in FIG. 3, the first holding portion 37 holds the end portion of the heat insulating portion 32 on the Z-axis positive direction side. Also, the second holding portion 38 holds the end portion of the heat insulating portion 32 on the Z-axis negative direction side.
  • the insertion guide member 34 has a function of guiding the insertion of the consumable item 110 . Specifically, when the slide cover 90 is in the open position, the insertion guide member 34 communicates with the opening 101a shown in FIG. , guides the consumables 110 into the chamber 50 . That is, the end portion of the flavor inhaler 100 on the side where the opening 101a is formed constitutes an insertion end portion 104 into which the consumable material 110 including the smokable material 111 is inserted. In this embodiment, since the insertion guide member 34 can come into contact with the chamber 50, the insertion guide member 34 is preferably made of PEEK from the viewpoint of heat resistance.
  • the flavor inhaler 100 has a first chassis 22 extending in the Z-axis direction between the power source 21 and the atomizing section 30, and a second chassis 23 extending to cover the slide cover 90 side of the power source 21.
  • the first chassis 22 and the second chassis 23 are configured to define a space within the inner housing 10 in which the power source 21 is housed.
  • FIG. 4 is a schematic plan view of the heater.
  • FIG. 5 is a schematic diagram showing the heater wrapped around the chamber 50.
  • conventional external heaters may use conductive tracks as resistive heating elements, and the distribution of the conductive tracks in the plane of the external heater may result in uniform heating of the consumable material 110 . was difficult. Therefore, the heater 41 of this embodiment has a sheet-like heater element 42 , and this heater element 42 has a plurality of independent holes 43 . Specifically, the plurality of holes 43 are formed so as to penetrate from one side of the sheet-like heater element 42 to the other side.
  • heater 41 has a generally rectangular shape in plan view, but may have any shape capable of heating smokable item 111 of consumable 110 .
  • the hole 43 is circular, but the hole 43 is not limited to this, and may be formed in any shape such as rectangular, triangular, elliptical, or the like.
  • the heater 41 preferably has flexibility. As shown in FIG. 5, heater 41 may be wrapped around chamber 50 . Specifically, the heater 41 is wrapped around the outer surface of the chamber 50 . This allows the smokable items 111 of the consumables 110 contained in the chamber 50 to be uniformly heated from the outside by the heater 41 . It is preferable that the minimum bending radius of the heater 41 is 3 mm or less. This allows the heater 41 to be easily curved such that it surrounds the consumable 110 in which it is commonly distributed, or the chamber 50 in which it is housed. Moreover, the thickness of the heater 41 is preferably 50 ⁇ m or less. Since the heater 41 is sufficiently thin in this manner, the space for arranging the heater 41 can be reduced. The thinness of the heater 41 also allows the heater 41 to be easily curved to surround the consumable 110 in which it is commonly distributed, or the chamber 50 in which it is housed.
  • Heater element 42 may be formed of a known resistive heating element. Heater element 42 is preferably formed of stainless steel, nichrome, or carbon material. Also, the heater element 42 is formed of a carbon material, and the carbon material preferably includes graphite, carbon black, or carbon nanotubes. This allows the heater element 42 to have a resistance such that it can adequately heat the smokable article 111 . Moreover, since the emissivity of the heater element 42 is increased, the temperature of the object to be heated can be increased more quickly. In particular, the temperature of the object to be heated can be remarkably raised when the housing portion (chamber 50) for the object to be heated is made of a transparent material such as glass.
  • the volume resistivity of the heater element 42 is preferably 7.4 ⁇ 10 ⁇ 7 m ⁇ or higher. This ensures that even when the thickness of the heater 41 is such that the heater 41 can be curved to enclose the commonly available consumable 110 or chamber 50 containing it, the heater element is The resistance of 42 can be such that it can adequately heat the smokable 111 of the consumable 110 .
  • the resistance of heater element 42 may be, for example, 1 ⁇ .
  • the heater 41 has a pair of electrodes 44 .
  • a pair of electrodes 44 are electrically connected to the heater element 42 .
  • Electrode 44 may be formed of a metal having a lower volume resistivity than heater element 42, such as copper, for example.
  • the heater element 42 has a first portion 42a on which each of the pair of electrodes 44 is arranged, and a second portion 42b. In the illustrated example, the first portion 42a and the second portion 42b are located at opposite ends of the heater element 42, but this is not limiting, and the first portion 42a or the second portion 42b may extend from the ends of the heater element 42, for example. You may position so that it may space apart.
  • Heater element 42 also has a body portion 42c in which a plurality of holes 43 are formed.
  • body portion 42 c is the portion of heater element 42 sandwiched between a pair of electrodes 44 . Thereby, the body portion 42c can be energized from the first portion 42a and the second portion 42b provided with the pair of electrodes 44 to generate heat.
  • the first portion 42a and the second portion 42b are separated in the first direction d1.
  • Each of the pair of electrodes 44 can be provided on the first portion 42a and the second portion 42b over the entire length in the second direction d2 orthogonal to the first direction d1.
  • the current can be applied to the main body portion 42c over the entire length in the second direction d2, so that the entire heater element 42 can generate heat uniformly.
  • the pair of electrodes 44 extends in parallel with the second direction d2, but the present invention is not limited to this. may extend the entire length of the Also, each of the pair of electrodes 44 may be provided on the first portion 42a and the second portion 42b over a portion of the second direction d2.
  • the sheet-like heater 41 is curved into a tubular shape.
  • the pair of electrodes 44 are preferably arranged on the heater element 42 so as to extend in the axial direction of the tubularly curved heater 41 .
  • the direction in which the pair of electrodes 44 extends substantially coincides with the central axis direction of the tubular heater 41 . This can prevent each of the electrodes 44 from bending along the circumferential direction of the heater 41 . Therefore, application of stress to the electrode 44 is suppressed, and the electrode 44 can be prevented from peeling off from the heater element 42 .
  • the pair of electrodes 44 are preferably arranged at both ends in the circumferential direction of the heater 41 wound around the chamber 50 .
  • the ratio of the total area of the plurality of holes to the area of the body portion 42c is preferably 50% or less.
  • the area of the body portion 42c here means the area of the body portion 42c on the plane shown in FIG. 4, that is, the area of one side of the sheet-like body portion 42c.
  • the heater 41 has a first area 41a and a second area 41b closer to the insertion side end 104 (see FIG. 3) than the first area 41a. It can also be said that the first region 41a is closer to the bottom of the chamber 50 (bottom member 36) than the second region 41b.
  • the porosity of the second region 41b may be higher than the porosity of the first region 41a.
  • the heater 41 may have an insulating film 46 covering at least one surface of the heater element 42.
  • Insulating film 46 may be, for example, a polyimide film. Since the heater 41 has the insulating film 46 , by winding the heater 41 around the chamber 50 so that the insulating film 46 is in contact with the chamber 50 , short circuit between the heater 41 and the chamber 50 can be prevented. If the surface of the chamber 50 is made of an insulating member, the heater 41 may not have the insulating film 46 to reduce the possibility of short-circuiting with other members.
  • FIG. 6 shows a schematic cross-sectional view of the chamber 50 containing the consumable 110.
  • the heater 41 is formed by sandwiching the main body portion 42 c between insulating films 46 and wound around the outer surface of the chamber 50 .
  • smokable material 111 of consumable 110 is located at the bottom of chamber 50 .
  • body portion 42c of heater 41 preferably extends further downstream than downstream end 111a of smokable article 111 in the lengthwise direction of smokable article 111 .
  • the downstream end 111 a of the smokable article 111 can be reliably heated by the heater 41 . Therefore, aggregation of the vapor or aerosol at the downstream end 111a of the smokable article 111 can be suppressed, so that the vapor or aerosol delivery amount can be improved.
  • the main body portion 42c of the heater 41 preferably does not overlap the upstream end 111b of the smokable article 111 in the longitudinal direction of the smokable article 111 .
  • the upstream end 111b of the smokable object 111 is not directly heated by the heater 41, so that generation of vapor or aerosol from the end 111b of the smokable object 111 can be suppressed. Therefore, leakage of vapor or aerosol from the tip of the consumable 110 can be suppressed.
  • FIG. 7 is a schematic plan view of a heater 41 according to another embodiment.
  • a heater 41 shown in FIG. 7 differs from the heater 41 shown in FIG. 4 in the shape of a pair of electrodes 44 .
  • the heater 41 shown in FIG. 7 differs from the heater 41 shown in FIG. 4 in the regions of the first portion 42a and the second portion 42b. That is, in the heater 41 shown in FIG. 7, each of the pair of electrodes 44 is provided on the first portion 42a and the second portion 42b over part of the second direction d2.
  • the first portion 42a and the second portion 42b extend from both ends in the first direction d1 of the body portion 42c of the heater element 42 along the second direction d2.
  • the main body portion 42c existing between the electrodes 44 (in the illustrated example, the lower end portion of the main body portion 42c) is locally can develop a fever.
  • the body portion 42c that is not sandwiched between the electrodes 44 is less likely to generate heat. Therefore, in the example shown in FIG. 7, the resistance of the main body portion 42c located between the pair of electrodes 44 is preferably greater than the resistance of the main body portion 42c at different positions in the second direction d2.
  • the resistance of the body portion 42c located between the electrodes 44 is higher than the resistance of the body portion 42c not sandwiched between the electrodes 44, for example, the upper end of the body portion 42c. Large is preferred.
  • the resistance of the body portion 42c between the electrodes 44 is made greater than the resistance of the body portion 42c at a different position in the second direction d2, i.e., the body portion 42c not sandwiched between the electrodes. Therefore, the current can easily flow through the body portion 42c that is not sandwiched between the electrodes. As a result, the heater element 42 can be made to heat more uniformly.
  • the porosity of the main body portion 42c located between the pair of electrodes 44 is made larger than the porosity of the main body portion 42c located at different positions in the second direction d2. good too.
  • the resistance of the body portion 42c between the electrodes 44 can be made larger than the resistance of the body portion 42c at a different position in the second direction d2, that is, the body portion 42c not sandwiched between the electrodes.
  • the term “opening ratio” refers to the ratio of pore area to a predetermined area.
  • the thickness of the main body portion 42c positioned between the pair of electrodes 44 may be smaller than the thickness of the main body portion 42c at different positions in the second direction d2.
  • the resistance of the body portion 42c between the electrodes 44 can be made larger than the resistance of the body portion 42c at a different position in the second direction d2, that is, the body portion 42c not sandwiched between the electrodes 44.
  • FIGS. 4 to 7 are schematic diagrams showing the manufacturing process of the heater 41.
  • FIG. 8A a sheet-like heater element 42 is prepared, and a plurality of independent holes 43 are formed by punching the heater element 42 .
  • the manufacturing process of the heater 41 can be simplified as compared with the conventional case of forming conductive tracks by etching.
  • the heater element 42 has a substantially rectangular shape, and a first portion 42a and a second portion 42b are provided at both ends of the heater element 42 in the first direction d1.
  • the first portion 42a and the second portion 42b partially extend in the second direction d2.
  • a pair of electrodes 44 are formed on the heater element 42 .
  • the electrode portions (the first portion 42a and the second portion 42b) that form the pair of electrodes 44 of the heater element 42 can be masked, and the electrode portions can be plated with the pair of electrodes 44 .
  • a pair of electrodes 44 may be formed by attaching metal foil such as copper foil to the electrode portion of the heater element 42 .
  • each of the pair of electrodes 44 is formed on the heater element 42 over the entire length in the second direction d2 in order to manufacture the heater 41 shown in FIG. Not limited to this, each of the pair of electrodes 44 may be formed on the heater element 42 over a portion of the second direction d2.
  • an insulating film 46 may be laminated on at least one surface of the heater element 42 in which the plurality of holes 43 and the pair of electrodes 44 are formed.

Landscapes

  • Resistance Heating (AREA)

Abstract

L'invention concerne un inhalateur d'arôme comprenant un dispositif chauffant en feuille pour chauffer une substance fumable. Le dispositif chauffant comprend un élément chauffant en feuille. L'élément chauffant comprend une pluralité de trous indépendants.
PCT/JP2021/026426 2021-07-14 2021-07-14 Inhalateur d'arôme et procédé de fabrication d'un dispositif chauffant WO2023286194A1 (fr)

Priority Applications (1)

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PCT/JP2021/026426 WO2023286194A1 (fr) 2021-07-14 2021-07-14 Inhalateur d'arôme et procédé de fabrication d'un dispositif chauffant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/026426 WO2023286194A1 (fr) 2021-07-14 2021-07-14 Inhalateur d'arôme et procédé de fabrication d'un dispositif chauffant

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WO2023286194A1 true WO2023286194A1 (fr) 2023-01-19

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0569893U (ja) * 1992-02-25 1993-09-21 シャープ株式会社 セラミックヒータ発熱体
JPH05296026A (ja) * 1991-11-22 1993-11-09 Kanthal Gmbh カーボンフィルタの電気発熱体
JP2019513357A (ja) * 2016-03-21 2019-05-30 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 電子ベイピング装置
JP2019092500A (ja) * 2017-10-27 2019-06-20 深▲せん▼市合元科技有限公司Ｓｈｅｎｚｈｅｎ Ｆｉｒｓｔ Ｕｎｉｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ 低温加熱式喫煙具の加熱装置及び低温加熱式喫煙具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05296026A (ja) * 1991-11-22 1993-11-09 Kanthal Gmbh カーボンフィルタの電気発熱体
JPH0569893U (ja) * 1992-02-25 1993-09-21 シャープ株式会社 セラミックヒータ発熱体
JP2019513357A (ja) * 2016-03-21 2019-05-30 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 電子ベイピング装置
JP2019092500A (ja) * 2017-10-27 2019-06-20 深▲せん▼市合元科技有限公司Ｓｈｅｎｚｈｅｎ Ｆｉｒｓｔ Ｕｎｉｏｎ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ 低温加熱式喫煙具の加熱装置及び低温加熱式喫煙具

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