EP4023081A1 - Heizanordnung für rauchvorrichtung - Google Patents

Heizanordnung für rauchvorrichtung Download PDF

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Publication number
EP4023081A1
EP4023081A1 EP21827003.1A EP21827003A EP4023081A1 EP 4023081 A1 EP4023081 A1 EP 4023081A1 EP 21827003 A EP21827003 A EP 21827003A EP 4023081 A1 EP4023081 A1 EP 4023081A1
Authority
EP
European Patent Office
Prior art keywords
heating
zone
smoking device
heating assembly
electrically insulating
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.)
Pending
Application number
EP21827003.1A
Other languages
English (en)
French (fr)
Other versions
EP4023081A4 (de
Inventor
Ting Huang
Huachen LIU
Yikun Chen
Jian Tan
Hao Wang
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.)
China Tobacco Hubei Industrial LLC
Original Assignee
China Tobacco Hubei Industrial LLC
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 China Tobacco Hubei Industrial LLC filed Critical China Tobacco Hubei Industrial LLC
Publication of EP4023081A1 publication Critical patent/EP4023081A1/de
Publication of EP4023081A4 publication Critical patent/EP4023081A4/de
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/03—Electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/46—Heating elements having the shape of rods or tubes non-flexible heating conductor mounted on insulating base
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/007—Heaters using a particular layout for the resistive material or resistive elements using multiple electrically connected resistive elements or resistive zones
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/037—Heaters with zones of different power density

Definitions

  • the present disclosure belongs to the technical field of novel tobacco products, and in particular, to a heating assembly for a smoking device.
  • the heating assembly is the key component of the smoking device.
  • due to the heating assembly has many technical challenges including durability, low production cost, heat release, slow heat transfer to the housing, and low heat loss, there is a need to provide a heating assembly with high energy efficiency, good heating effect and low energy loss, to provide a heat source for heating tobacco material.
  • the present disclosure is intended to provide a heating assembly for a smoking device, which can improve energy utilization rate and heating effect, reduce energy loss, and be durable and economical in view of the shortcomings of the prior art.
  • a heating assembly for a smoking device comprising a first electrically insulating base part and a second electrically insulating base part connected with the first electrically insulating base part; the first electrically insulating base part being covered with a heat generating layer in an outside, the heat generating layer being provided with a current path for generating heat when a current passes, and the second electrically insulating base part being a non-conductive and non-heat-generating zone.
  • the second electrically insulating base part is sleeved with a mounting seat in an outside, and the mounting seat is configured for connecting the heating assembly to the smoking device.
  • the heat generating layer is provided with an electrode connection zone close to an end of the mounting seat, and the electrode connection zone comprises a plurality of electrodes configured for connecting to a power source.
  • the electrode connection zone and outsides of the plurality of electrodes are jointly provided with a protecting part for preventing the electrode connection zone and the plurality of electrodes falling off and being damaged.
  • the protecting part is made of glass, ceramics, enamel material or anti-oxidation metal.
  • each of the plurality of electrodes is connected to a first end of the electrode lead; a second end of the electrode lead passes through the mounting seat and is configured for connecting the power source.
  • a top of the mounting seat extends in a direction of the electrode connection zone and is connected to the protecting part;
  • the electrode connection zone and the heat generating layer are made of a same material; or the electrode connection zone is made of one or more selected from a group consisting of gold, silver, copper and palladium.
  • the heat generating layer comprises one or more heating zones.
  • resistance values of the heating zones are all different, such that the resistance values is controlled to generate different amounts of heat, to control a temperature distribution of the heat generating layer.
  • the heat generating layer comprises a first heating zone and a second heating zone connected to the first heating zone; the second heating zone has a resistance value smaller than a resistance value of the first heating zone, and the second heating zone is provided close to the mounting seat.
  • the first heating zone is made of a first material
  • the second heating zone is made of a second material
  • the first material has a resistivity coefficient greater than a resistivity coefficient of the second material
  • the first heating zone has a resistance per unit length greater than a resistance per unit length of the second heating zone.
  • the heat generating layer comprises a third heating zone and a fourth heating zone connected to the third heating zone; the fourth heating zone has a thermal conductivity smaller than a thermal conductivity of the third heating zone, and the fourth heating zone is provided at a position close to the mounting seat.
  • the heat generating layer is made of one or more selected from a group consisting of platinum, tungsten, nickel, chromium, iron, manganese, molybdenum, palladium, ruthenium and an alloy thereof.
  • the mounting seat is made of one or more selected from a group consisting of ceramics, glass, zirconia, alumina, metal, alloy, inorganic porous material and polymer.
  • the first electrically insulating base part and the second electrically insulating base part are made of ceramic materials or insulating materials, respectively; the ceramic material comprises zirconia and/or alumina.
  • each of the first electrically insulating base part and the second electrically insulating base part has a cross-section with a shape of round, oval, rhombus, cube, cuboid or polygon; a top of the heating assembly is set as a tapered end.
  • the heat generating layer is configured to be capable to reach a temperature of 250-400 °C during operation.
  • first electrically insulating base part 1, second electrically insulating base part; 3, heat generating layer; 4, mounting seat; 5, electrode connection zone; 6, protecting part; 7, electrode lead.
  • the present disclosure includes a first electrically insulating base part 1 and a second electrically insulating base part 2 connected to the first electrically insulating base part 1.
  • the outside of the first electrically insulating base part 1 is covered with a heat generating layer 3, and a current path is provided on the heat generating layer 3 to generate heat when the current passes through.
  • the second electrically insulating base part 2 is a non-conductive and non-heating area, which can not only achieve sufficient resistance heating, but also effectively prevent heat transfer to the outer wall of the smoking device, thereby improving energy utilization and heating effect and reducing energy loss.
  • a mounting seat 4 is sleeved on the outside of the second electrically insulating base part 2, and the mounting seat 4 is used for connecting the heating assembly to the smoking device.
  • the mounting seat 4 since the mounting seat 4 itself has no current passing through it, no heat is generated, and the mounting seat 4 is sleeved on the outside of the second electrical insulating base part 2, which can effectively block the heat (heat cannot be transmitted to the mounting seat 4) transferred from the heat generating layer 3 when the heating assembly works, such that the energy utilization rate and heating effect can be further improved, the energy loss can be reduced, and the temperature of the outer wall of the smoking device can be further prevented from being too high.
  • the heat generating layer 3 is coated on the outer surface of the first electrically insulating base part 1 by means of coating and/or printing, the process is simple and efficient.
  • an electrode connection zone 5 is provided on the heat generating layer 3 near the end of the mounting seat 4.
  • the electrode connection zone 5 includes a plurality of electrodes for connection to a power source.
  • the electrode connection zone 5 includes a plurality of sections, and each section is connected to a circuit together formed by the sections of the heat generating layer 3.
  • the outside of the electrode connection zone 5 is provided with a protecting part 6 for preventing the electrode connection zone 5 and the plurality of electrodes from falling off and being damaged.
  • the protecting part 6 can prevent the exposed electrode connection zone 5 and the plurality of electrodes from falling off after being directly contacted by the aerosol-generating substrate for a long time, thereby prolonging the service life of the electrode connection zone 5 and the plurality of electrodes.
  • the protecting part 6 is made of glass, ceramic, enamel material or anti-oxidation metal.
  • the electrode is connected to the first end of the electrode lead 7.
  • the second end of the electrode lead 7 passes through the mounting seat 4 and is used to connect the power source.
  • the external electrode leads 7 can be fixed to the connection zones using solder paste or other connection techniques.
  • the electrode connection zone 5 includes a plurality of parts, and the electrodes located in each part are connected to a control circuit through the electrode lead 7, and are connected to the power source through the control circuit.
  • the top of the mounting seat 4 extends in the direction of the electrode connection zone 5 and is connected to the protecting part 6, which can effectively prevent the exposed electrode leads 7, part of which is located between the bottom of the electrode connection zone 5 and the mounting seat 4, falling off and being damaged after being directly contacted by the aerosol-generating substrate for a long time, so that the service life of the electrode lead 7 can be prolonged.
  • the top of the mounting seat 4 extends to the bottom of the electrode connection zone 5 and covers the electrode lead 7 (the part between the bottom of the electrode connection zone 5 and the mounting seat 4), which can effectively prevent the exposed electrode lead 7 being damaged by falling off after being directly contacted by the aerosol-generating substrate for a long time, so that the service life of the electrode lead 7 can be prolonged.
  • the top of the mounting seat 4 extends to the bottom of the electrode connection zone 5 and covers part of the length of the electrode lead 7, and maintains a certain distance from the bottom of the electrode connection zone 5, so as to avoid the exposed part of the length of the electrode lead 7 being damaged after being directly contacted by the aerosol-generating substrate for a long time, so that the service life of the electrode lead 7 can be prolonged.
  • the electrode connection zone 5 and the heat generating layer 3 are made of the same material.
  • the electrode connection zone 5 is made of one or more of gold, silver, copper and palladium.
  • the electrode connection zone 5 is made of one or more heat-generating pastes selected from gold, silver, copper and palladium.
  • the heat generating layer 3 includes one or more heating zones.
  • the resistance values of the heating zones are all different, so that the resistance value can be controlled to generate different heat and the temperature distribution of the heat generating layer 3 can be controlled, which can prevent the temperature of the aerosol-generating substrate from being too high or insufficiently heated, so as to satisfy the suction requirement.
  • the heat generating layer 3 is configured to be able to reach a temperature of 250-400 °C during operation, which can prevent the temperature of the aerosol-generating substrate from being too high or insufficiently heated, so as to provide a good suction experience.
  • the heat generating layer 3 includes a first heating zone 31 and a second heating zone 32 connected to the first heating zone 31.
  • the resistance value of the second heating zone 32 is smaller than that of the first heating zone 31, the second heating zone 32 is provided close to the mounting seat 4.
  • the heat generated by the first heating zone 31 is greater than the heat generated by the second heating zone 32, so that the heat can be concentrated in the first heating zone, and the second heating zone is configured to have a lower resistance, which can provide less Joule heat, so that the heat transferred to the mounting seat 4 via the second heating zone 32 is greatly reduced, thereby improving energy utilization and reducing energy loss, thereby effectively avoiding excessive temperature of the outer wall of the smoking device.
  • the first heating zone 31 is made of a first material.
  • the second heating zone 32 is made of a second material. Wherein, the resistivity coefficient of the first material is greater than that of the second material.
  • the first heating zone 31 is made of nickel-chromium alloy, platinum, tungsten or alloy wire.
  • the second heating zone is made of gold, silver or copper.
  • the resistance per unit length of the first heating zone 31 is greater than the resistance per unit length of the second heating zone 32.
  • the heat generating layer 3 includes a third heating zone and a fourth heating zone connected to the third heating zone.
  • the thermal conductivity of the fourth heating zone is smaller than that of the third heating zone, and the fourth heating zone is provided close to the mounting seat 4, so that the heat transferred to the mounting seat 4 via the fourth heating zone is greatly reduced, and the heat transferred to the mounting seat 4 via the third heating zone can be reduced, such that the energy utilization rate can be improved, the energy loss can be reduced, and the outer wall temperature of the smoking device can be effectively prevented from being too high.
  • the heat generating layer 3 is made of one or more selected from a group consisting of platinum, tungsten, nickel, chromium, iron, manganese, molybdenum, palladium, ruthenium and an alloy thereof, so that the heat generating layer 3 can both be used for heating the aerosol-generating substrate, but also be used to monitor temperature during use.
  • the heat generating layer 3 is made of one or more heating pastes selected from a group consisting of platinum, tungsten, nickel, chromium, iron, manganese, molybdenum, palladium, ruthenium and an alloy thereof, so that the heat generating layer 3 can both used for heating the aerosol-generating substrate, but also be used to monitor the temperature during use.
  • the mounting seat 4 is made of one or more selected from a group consisting of ceramics, glass, zirconia, alumina, metals, alloy, inorganic porous material and polymers.
  • first electrically insulating base part 1 and the second electrically insulating base part 2 are respectively made of ceramic material or insulating metal.
  • the ceramic material includes zirconia and/or alumina.
  • the cross-sections of the first electrically insulating base part 1 and the second electrically insulating base part 2 are set in a circle, an ellipse, a diamond, a cube, a cuboid or a polygon.
  • the cross-section of the mounting seat 4 is provided in a circular shape, which can quickly engage the cylindrical second electrically insulating base part 2.
  • the mounting seat 4 and the second electrically insulating base part 2 are male-female mating plug-in or snap-fit or screw-type fixing.
  • the top of the heating assembly is provided with a tapered end to facilitate insertion into the aerosol-generating substrate.
  • the heating assembly is first fixed in the smoking device through the mounting seat 4, and then the second end of the electrode lead 7 is connected to the power source.
  • the heat generating layer 3 generates heat after being energized, which can heat the the aerosol-generating substrate.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Resistance Heating (AREA)
EP21827003.1A 2020-06-19 2021-06-09 Heizanordnung für rauchvorrichtung Pending EP4023081A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010568919.6A CN112369694A (zh) 2020-06-19 2020-06-19 一种用于抽烟装置的加热组件
PCT/CN2021/099164 WO2021254230A1 (zh) 2020-06-19 2021-06-09 一种用于抽烟装置的加热组件

Publications (2)

Publication Number Publication Date
EP4023081A1 true EP4023081A1 (de) 2022-07-06
EP4023081A4 EP4023081A4 (de) 2023-10-18

Family

ID=74586322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21827003.1A Pending EP4023081A4 (de) 2020-06-19 2021-06-09 Heizanordnung für rauchvorrichtung

Country Status (5)

Country Link
EP (1) EP4023081A4 (de)
JP (1) JP2023511839A (de)
KR (1) KR20220054674A (de)
CN (1) CN112369694A (de)
WO (1) WO2021254230A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112369694A (zh) * 2020-06-19 2021-02-19 湖北中烟工业有限责任公司 一种用于抽烟装置的加热组件

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201905221T4 (tr) * 2015-02-05 2019-05-21 Philip Morris Products Sa Ankastre ısıtıcıya sahip aerosol üretici cihaz .
CN104770894B (zh) * 2015-03-13 2017-11-17 云南中烟工业有限责任公司 烟雾发生器及烟雾吸取装置
EP2921065A1 (de) * 2015-03-31 2015-09-23 Philip Morris Products S.a.s. Aufheizungs- und heizungsanordnung für ein aerosolerzeugungssystem
CN111869939A (zh) * 2017-01-18 2020-11-03 韩国烟草人参公社 充电系统
CN110742321B (zh) * 2018-07-21 2023-10-20 湖南中烟工业有限责任公司 并列式分段发热结构及其应用的低温烟具
CN209106321U (zh) * 2018-09-17 2019-07-16 深圳市合元科技有限公司 用于加热烟支的加热体及加热器
US10791767B2 (en) * 2018-10-12 2020-10-06 Rai Strategic Holdings, Inc. Connectors for forming electrical and mechanical connections between interchangeable units in an aerosol delivery system
CN210747259U (zh) * 2019-09-11 2020-06-16 深圳市你我网络科技有限公司 加热不燃烧装置及其加热组件
CN110652042A (zh) * 2019-09-12 2020-01-07 深圳麦克韦尔科技有限公司 电子烘烤烟具及其发热装置
CN110959918A (zh) * 2019-12-09 2020-04-07 深圳麦时科技有限公司 一种发热组件及电子雾化装置
CN111227314A (zh) * 2020-04-03 2020-06-05 深圳市博迪科技开发有限公司 一种加热不燃烧卷烟分段式中心加热元件
CN213188067U (zh) * 2020-06-19 2021-05-14 湖北中烟工业有限责任公司 一种用于抽烟装置的加热组件
CN112369694A (zh) * 2020-06-19 2021-02-19 湖北中烟工业有限责任公司 一种用于抽烟装置的加热组件

Also Published As

Publication number Publication date
WO2021254230A1 (zh) 2021-12-23
JP2023511839A (ja) 2023-03-23
CN112369694A (zh) 2021-02-19
KR20220054674A (ko) 2022-05-03
EP4023081A4 (de) 2023-10-18

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