EP3626090A1 - Baked smoking set and heating element thereof - Google Patents

Baked smoking set and heating element thereof Download PDF

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Publication number
EP3626090A1
EP3626090A1 EP19198579.5A EP19198579A EP3626090A1 EP 3626090 A1 EP3626090 A1 EP 3626090A1 EP 19198579 A EP19198579 A EP 19198579A EP 3626090 A1 EP3626090 A1 EP 3626090A1
Authority
EP
European Patent Office
Prior art keywords
heating element
chamfer
sheet
adjacent
shaped substrate
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
EP19198579.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Xingfu Zhang
Riming Fang
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.)
Shenzhen Smoore Technology Ltd
Original Assignee
Shenzhen Smoore Technology Ltd
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 Shenzhen Smoore Technology Ltd filed Critical Shenzhen Smoore Technology Ltd
Publication of EP3626090A1 publication Critical patent/EP3626090A1/en
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
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • H05B3/262—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an insulated metal plate
    • 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
    • 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
    • H05B2203/016—Heaters using particular connecting 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

Definitions

  • the utility model relates to cigarette substitutes, and specifically to a baked smoking set and a heating element thereof.
  • widths of respective segments along a length direction of a heating element are equivalent, after the heating element is inserted into a cigarette in a sleeve, tobaccos are subjected to a large extrusion from an utmost front end of the heating element, and tobaccos at two sides of a width of the heating element also accumulate densely to easily cause residual smoke soot.
  • the technical problem to be solved by the utility model is to provide an improved baked smoking set and a heating element thereof.
  • the technical solution of the utility model adopted for solving the technical problem is to construct a heating element of a baked smoking set, and the heating element is in a sheet shape, and comprises a first end and a second end opposite to the first end; the first end is configured to be inserted into a sleeve of a baked smoking set, and a width from the first end to the second end becomes wider gradually.
  • an end portion of the first end is provided with a sharp head that facilitates inserting into a cigarette of the sleeve.
  • an angle between two opposite sides in a width direction of the sharp head is greater than an angle between two opposite sides in a width direction of the second end of the heating element.
  • the two opposite sides of a width of the heating element are provided with a blade portion respectively, so that a thickness of the heating element gradually decreases towards an edge in the width direction.
  • the heating element comprises a first side and a second side opposite to the first side in a width direction, and a first surface and a second surface opposite to the first surface in a thickness direction;
  • the blade portion comprises a chamfer on an edge of the first surface and/or the second surface adjacent to the first side, and a chamfer on an edge of the first surface and/or the second surface adjacent to the second side; each chamfer is a bevel or a fillet.
  • the edges of the first surface and the second surface adjacent to the first side are respectively provided with the chamfer, and the edges of the first surface and the second surface adjacent to the second side are respectively provided with the chamfer; the blade portions of the first side and the second side transform the first side and the second side of the heating element to rounded edges or sharp edges; or the edge of the first surface or the second surface adjacent to the first side is provided with the chamfer, and the edge of the first surface or the second surface adjacent to the second side is provided with the chamfer, to transform the first side and the second side to sharp edges.
  • the heating element comprises a sheet-shaped substrate, an insulating layer covered on the sheet-shaped substrate, and a conductive path disposed on the insulating layer, and the conductive path generates heat after being powered.
  • the sheet-shaped substrate is made of a metallic or an alloy material, and the blade portion is formed by punching.
  • the heating element further comprises an isolation layer covered outside the conductive path, the isolation layer is a glaze layer formed by sintering a glass glaze, and an outer surface of the heating element is covered by the isolation layer.
  • the utility model further provides a baked smoking set, comprising a sleeve and the heating element, wherein the heating element can be detachably inserted into the sleeve by the first end.
  • the heating element is in a sword shape, and the first end is narrow, so that a resistant force is relatively small when the heating element is inserted, to facilitate insertion, and accumulation of tobaccos on sides of the heating element also can be effectively reduced.
  • a bottom of the heating element becomes wider to facilitate increasing strength of the heating element, and prevent fracture of the heating element due to inserting and pulling the cigarette several times.
  • a baked smoking set in one preferable embodiment of the utility model comprises a tubular sleeve 1, and a heating assembly 2 comprising a heating element 21, a leading wire 22 and a mounting base 23.
  • the heating element 21 is in a sheet shape, and is detachably inserted into the sleeve 1.
  • the heating element 21 comprises a first end A and a second end B opposite to the first end A in a length direction, and the first end A is configured to be inserted into the sleeve 1 of the baked smoking set.
  • the heating element 21 comprises a first side C and a second side D opposite to the first side C in a width direction, and the first side C and the second side D are provided with a blade portion 211 respectively that allows a thickness of the heating element 21 to gradually decrease towards an edge in the width direction.
  • a central line of the heating element 21 is coaxial with a center of the sleeve 1, and distances from the two opposite sides in the width direction of the heating element 21 to an inner wall surface of the sleeve 1 respectively are equivalent.
  • the blade portions 211 also can represent a smooth transition, to prevent tobaccos from sticking on the two sides of the heating element 21.
  • the heating element 21 comprises a first surface E and a second surface F opposite to the first surface E in a thickness direction, and the blade portions 211 comprises chamfers on edges of the first surface E and the second surface F adjacent to the first side C, and chamfers on the edges of the first surface E and the second surface F adjacent to the second side D.
  • Each chamfer can be a bevel or a fillet.
  • the edges of the first surface E and the second surface F adjacent to the first side C are respectively provided with the chamfer, and the edges of the first surface E and the second surface F adjacent to the second side D are respectively provided with the chamfer, and the blade portions 211 of the first side C and the second side D transform the first side C and the second side D of the heating element 21 to rounded edges or sharp edges.
  • the blade portions 211 may comprise a chamfer only on the edge of the first surface E or the second surface F adjacent to the first side C, and a chamfer only on the edge of the first surface E or the second surface F adjacent to the second side D, to transform the first side C and the second side D to sharp edges, so as to facilitate once punch forming.
  • the heating element 21 comprises a sheet-shaped substrate 212 made of a metallic material, an insulating layer 213 covered on the sheet-shaped substrate 212, and a conductive path 214 disposed outside the insulating layer 213.
  • the leading wire 22 is connected to the conductive path 214, and the leading wire 22 is led outwardly.
  • the conductive path 214 can be supplied with power through the leading wire 22, so that the conductive path 214 generates heat to atomize tobaccos.
  • the heating element 21 is made of a metallic or an alloy material
  • the sheet-shaped substrate 212 may use metallic materials, such as stainless steel or titanium alloy, preferably stainless steel, such as 430 and 304 stainless steel.
  • a thickness of the sheet-shaped substrate 212 is generally 0.2 to 0.8 mm, and the sheet-shaped substrate 212 is formed by punch forming or wire cutting, which is low in cost.
  • the blade portions 211 on the sheet-shaped substrate 212 made of a metallic material can be formed by punching to further save cost.
  • Dimensions of length, width and the like of the heating element 21 are fitted with diameter and length of the cigarette, which facilitates sufficient heating of tobaccos.
  • the sheet-shaped substrate 212 made of a metallic material, as a main body of the heating element 21, has a high toughness, so that fracture of the heating element 21 can be effectively prevented under long-term high temperature and mechanical shock, such as, cigarette loading, and the like. Meanwhile, the sheet-shaped substrate 212 made of a metallic material has a good thermal conductive performance, which ensures uniformity of a surface temperature of the heating element 21, and facilitates heating the non-combustible cigarette to obtain an optimized taste.
  • the area exceeding 215 degrees Celsius around the heating element 21 made of stainless steel is larger than that around the heating element 21 made of ceramic such as zirconium oxide and the like, so the atomizing efficiency of the heating element 21 made of stainless steel is higher, and taste is better.
  • the first end A of the sheet-shaped substrate 212 is provided with a sharp head 215 that facilitates inserting into a cigarette 3.
  • the sharp head 215 can guide insertion of the heating element 21, and reduce a resistant force when inserting.
  • the sheet-shaped substrate 212 comprises a flat surface 2121 between the blade portions 211 on the two opposite sides of the heating element 21, and the conductive path 214 is printed in an area of the flat surface 2121.
  • the blade portions 211 are disposed outwardly by two opposite sides in a width direction of the flat surface 2121.
  • the insulating layer 213 is formed by sintering at 400 to 1000 °C after a surface of the sheet-shaped substrate 212 is covered by a glass slurry containing silicon oxide, calcium oxide, and aluminum oxide, and since the sheet-shaped substrate 212 made of a metallic or an alloy material is conductive, the insulating layer 213 can prevent a short circuit between the sheet-shaped substrate 212 and the conductive path 214.
  • the insulating layer 213 is covered on the sheet-shaped substrate 212 by the way of spraying or printing, and a thickness of the insulating layer 213 can be designed according to pressure resistance requirements between the conductive path 214 and the sheet-shaped substrate 212. Generally, the insulating layer 213 has a thickness less than 0.1 mm.
  • the conductive path 214 is located on one side of the insulating layer 213.
  • the insulating layer 213 also can be provided only on one side of the sheet-shaped substrate 212 which the conductive path 214 is disposed, and when the heating element 21 is made of a non-metallic and non-conductive material, the insulating layer 213 also can be removed.
  • the conductive path 214 as a resistance heater, can be a conductive layer formed on the insulating layer 213 in a manner of such as physical vapor deposition, or electroplating, or printing.
  • the conductive path 214 comprises a heating resistor 2141, and an electrical connection portion electrically connected to the heating resistor 2141.
  • the heating resistor 2141 and the electrical connection portion are arranged along a length direction of the sheet-shaped substrate 212, and conductive electrodes 2142 are connected to an external circuit.
  • the electrical connection portion comprises two conductive electrodes 2142 electrically connected to the heating resistor 2141.
  • the leading wire 22 are connected to the conductive electrode 2142, and is led out from one end away from the heating resistor 2141 along a length direction of the heating element 21, i.e., the heating resistor 2141 and the conductive electrodes 2142 are arranged in a direction from the first end A to the second end B, and the leading wires 22 are led outwardly from the second end B.
  • the heating resistor 2141 can be formed by sintering after printing with any one of silver-palladium resistance slurry, ruthenium-palladium resistance slurry, platinum slurry and nickel-based slurry.
  • the heating resistor 2141 can be flexibly patterned, and an appropriate resistance value desired for the heating element 21 is obtained in cooperation with the slurry properties and a thickness of the heating resistor 2141.
  • the resistance value of the heating element 21 is usually between 0.3 to 2.0 ⁇ , and the thickness of the heating resistor 2141 is usually less than 0.1mm, preferably, less than 20 ⁇ m.
  • the conductive electrode 2142 is formed by sintering after printing with silver-based slurry having a relatively low resistivity.
  • the heating resistor 2141 can be powered to generate heat, and the leading wire 22 can be connected to the conductive electrodes 2142 by the way of high temperature brazing with silver-copper solder, or pure silver solder, or nickel solder under a protective atmosphere of 600 to 1100 °C.
  • the leading wire 22 is connected to the conductive electrode 2142 by the way of tin welding with a high-temperature welding paste, and a use temperature is greater than 300 °C.
  • through holes 2122 are provided in a section of a length direction of the sheet-shaped substrate 212 where the conductive electrode 2142 is located.
  • the through holes 2122 can isolate heat, and reduce heat delivered to the second end B.
  • the section corresponding to the conductive electrode 2142 has a relatively low temperature, tobaccos cannot be sufficiently atomized, and tobacco shreds can store and absorb a certain amount of tobacco tar, so the tobacco tar can be prevented or reduced from leakage.
  • the heating element 21 further comprises an isolation layer 216 covered outside the conductive path 214.
  • the isolation layer 216 is a glaze layer formed by sintering a glass glaze, and a thickness is usually less than 0.1 mm thereof. Two sides of the sheet-shaped substrate 212 are covered by the isolation layer 216 respectively.
  • the glaze layer allows a surface of the heating element to be smooth, and has a small roughness to reduce adhesion of smoke stains and smoke tar after baking of tobaccos, and facilitate scrubbing.
  • the isolation layer 216 also can be covered only on one side where the conductive path 214 is located.
  • a width of the heating element 21 from the first end A to the second end B gradually increases, so the heating element 21 is in a sword shape; the first end A is narrow, combining with a thinning structure of the blade portion 211, so that a resistant force is relatively small when the heating element 21 is inserted, to facilitate insertion, and accumulation of tobaccos on sides of the heating element also can be effectively reduced.
  • a bottom of the heating element becomes wider to facilitate increasing strength of the heating element, and prevent fracture of the heating element due to inserting and pulling the cigarette several times.
  • an angle between the two opposite sides in a width direction of the sharp head 215 is greater than an angle between the two opposite sides in a width direction of the second end B of the heating element 21.
  • the heating element 21 also can be a triangle.
  • the mounting base 23 is sleeved on the second end B of the heating element 21, i.e., sleeved on the end led out of the leading wires 22 of the heating element 21, and sleeved onto the electrical connection portion.
  • the mounting base 23 also can be an individual component, which is separately mounted on the heating element 21.
  • the sharp head 215 is located on one end of the heating element 21 away from the mounting base 23, and the mounting base 23 and the sharp head 215 are respectively located on two opposite ends of the heating element 21. After one end of the sharp head 215 of the heating element 21 is inserted into the sleeve 1, the mounting base 23 abuts against an outer end of the sleeve 1, to define an insertion depth of the heating element 21.
  • through holes 2122 are provided in the section of a length direction of the sheet-shaped substrate 212 where the conductive electrode 2142 is located, transmission of heat to the second end B is reduced, and excess temperature of the mounting base 23 also can be prevented.
  • the mounting base 23 is formed by injection molding using high-molecular polymer, and the commonly used material is polyether-etherketone, high-temperature nylon and the like.

Landscapes

  • Resistance Heating (AREA)
EP19198579.5A 2018-09-21 2019-09-20 Baked smoking set and heating element thereof Pending EP3626090A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821552836.2U CN209031260U (zh) 2018-09-21 2018-09-21 烘烤烟具及其加热件

Publications (1)

Publication Number Publication Date
EP3626090A1 true EP3626090A1 (en) 2020-03-25

Family

ID=67033951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19198579.5A Pending EP3626090A1 (en) 2018-09-21 2019-09-20 Baked smoking set and heating element thereof

Country Status (4)

Country Link
EP (1) EP3626090A1 (ja)
JP (1) JP6925392B2 (ja)
KR (1) KR20200034583A (ja)
CN (1) CN209031260U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115864947A (zh) * 2022-09-09 2023-03-28 浙江意法电器科技有限公司 具有检测功能的发电装置及利用发电装置的厚膜加热器
EP4144235A4 (en) * 2020-04-30 2023-11-08 Shenzhen Merit Technology Co., Ltd. BURNER WITHOUT COMBUSTION AND HEATING DEVICE THEREFOR
EP4329423A1 (en) * 2022-08-08 2024-02-28 Hainan Moore Brothers Technology Co., Ltd. Aerosol-generating device and heating assembly thereof

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111035070A (zh) 2020-01-08 2020-04-21 深圳麦时科技有限公司 气溶胶产生装置及其发热组件
EP4151103B1 (en) * 2020-05-12 2024-04-10 Shenzhen First Union Technology Co., Ltd. Aerosol generating device, and susceptor
KR102576632B1 (ko) * 2020-09-08 2023-09-11 주식회사 아스트라코팅 히터 부재, 히터 부재 형성 방법 및 흡연용 디바이스
CN112244355A (zh) * 2020-09-30 2021-01-22 深圳麦时科技有限公司 发热组件及加热装置
WO2023170909A1 (ja) * 2022-03-11 2023-09-14 日本たばこ産業株式会社 香味吸引器および喫煙システム

Citations (3)

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CN205757216U (zh) * 2016-06-30 2016-12-07 珠海惠友电子有限公司 低温烘焙型电子烟用直入式陶瓷发热片
EP3166431A1 (en) * 2014-07-11 2017-05-17 RAI Strategic Holdings, Inc. Heater for an aerosol delivery device and methods of formation thereof
CN207411491U (zh) * 2017-10-27 2018-05-29 深圳市合元科技有限公司 加热装置及低温烘焙烟具

Family Cites Families (2)

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KR102376088B1 (ko) * 2013-12-31 2022-03-18 필립모리스 프로덕츠 에스.에이. 에어로졸 발생 장치 및 에어로졸 발생 장치에서 사용하기 위한 캡슐
CN205648910U (zh) * 2016-03-14 2016-10-19 深圳市合元科技有限公司 烟支加热装置及其加热组件

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3166431A1 (en) * 2014-07-11 2017-05-17 RAI Strategic Holdings, Inc. Heater for an aerosol delivery device and methods of formation thereof
CN205757216U (zh) * 2016-06-30 2016-12-07 珠海惠友电子有限公司 低温烘焙型电子烟用直入式陶瓷发热片
CN207411491U (zh) * 2017-10-27 2018-05-29 深圳市合元科技有限公司 加热装置及低温烘焙烟具

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4144235A4 (en) * 2020-04-30 2023-11-08 Shenzhen Merit Technology Co., Ltd. BURNER WITHOUT COMBUSTION AND HEATING DEVICE THEREFOR
EP4329423A1 (en) * 2022-08-08 2024-02-28 Hainan Moore Brothers Technology Co., Ltd. Aerosol-generating device and heating assembly thereof
CN115864947A (zh) * 2022-09-09 2023-03-28 浙江意法电器科技有限公司 具有检测功能的发电装置及利用发电装置的厚膜加热器

Also Published As

Publication number Publication date
JP6925392B2 (ja) 2021-08-25
KR20200034583A (ko) 2020-03-31
CN209031260U (zh) 2019-06-28
JP2020048555A (ja) 2020-04-02

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