WO2016123738A1 - Appareil de chauffage de cigarette et ensemble de chauffage associé - Google Patents

Appareil de chauffage de cigarette et ensemble de chauffage associé Download PDF

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Publication number
WO2016123738A1
WO2016123738A1 PCT/CN2015/072116 CN2015072116W WO2016123738A1 WO 2016123738 A1 WO2016123738 A1 WO 2016123738A1 CN 2015072116 W CN2015072116 W CN 2015072116W WO 2016123738 A1 WO2016123738 A1 WO 2016123738A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
heating
cigarette
conductive
sleeve
Prior art date
Application number
PCT/CN2015/072116
Other languages
English (en)
Chinese (zh)
Inventor
陈志平
Original Assignee
深圳麦克韦尔股份有限公司
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 深圳麦克韦尔股份有限公司 filed Critical 深圳麦克韦尔股份有限公司
Priority to PCT/CN2015/072116 priority Critical patent/WO2016123738A1/fr
Publication of WO2016123738A1 publication Critical patent/WO2016123738A1/fr

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
    • 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
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • 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

Definitions

  • the invention relates to the technical field of smoking articles, in particular to a cigarette heater and a heating assembly thereof.
  • the tobacco can be released from the nicotine and the like by electrically heating the tobacco, thereby avoiding harmful substances generated by the burning of the tobacco.
  • a cigarette heater is a smoking article that heats a cigarette to generate smoke. It generally has a cylindrical heating chamber into which the cigarette is heated. However, the general cigarette heater does not heat evenly, resulting in uneven heating of the cigarette, and the tobacco cannot be fully utilized.
  • a cigarette heating assembly comprising a heating tube, a sleeve, a first conductive ring and a second conductive ring;
  • the heating tube is located in the sleeve; the heating tube includes a first connecting ring, a second connecting ring, a plurality of heating rings between the first connecting ring and the second connecting ring, and a plurality of Connection part
  • the first connecting ring, the second connecting ring and the plurality of heating rings are all cylindrical, and the first connecting ring, the second connecting ring and the plurality of heating ring axes are collinear and
  • the first conductive ring is sleeved on the first connecting ring and is tightly connected to the first connecting ring;
  • the second conductive ring is sleeved on the second connecting ring, and the The second connecting ring is tightly connected;
  • a plurality of the connecting portions are respectively connected to two sides of the heating ring, and the connecting portion adjacent to the first connecting ring is connected to the first connecting ring, and the connecting portion of the second connecting ring is adjacent to the connecting portion Connected to the second connecting ring, and the other connecting portions are connected to the adjacent heating ring;
  • a plurality of the connecting portions connected to the same heating ring are alternately arranged on both sides of the heating ring, and of the plurality of the connecting portions connected to the same heating ring, two adjacent ones of the connecting portions The distance between the parts is equal.
  • the inner wall of the connecting portion is coplanar with the inner wall of the heating ring, and the outer wall of the connecting portion is coplanar with the outer wall of the heating ring.
  • the heating tube is formed by forming an elongated hole in the circular tube.
  • the number of the connecting portions connecting the two adjacent heating rings is equal to or greater than three.
  • the spacing between two adjacent heating rings is less than the width of the heating ring.
  • the heating tube is made of iron chrome aluminum alloy.
  • a reflective film is further provided, the reflective film being disposed on an inner wall of the sleeve, and having a gap between the reflective film and the heating tube.
  • the reflective film is made of aluminum.
  • the reflective film is adhered to the inner wall of the sleeve by a high temperature glue.
  • the sleeve is made of a low thermal conductivity ceramic.
  • the sleeve is made of zirconia microporous ceramic.
  • first conductive lead and the second conductive lead are further included;
  • a first via hole through which the first electrode lead passes is opened, and a position of the first via hole corresponds to the first conductive ring;
  • a second via for the passage of the second electrode lead is further disposed on the sleeve, and the position of the second via corresponds to the second conductive loop.
  • the first conductive ring and the second conductive ring each comprise an annular ceramic substrate and a metallization layer disposed outside the ceramic substrate.
  • the metallization layer is a Mo-Mn metallization layer having a thickness of 10-30 microns.
  • a cigarette heater comprising a battery assembly and the cigarette heating assembly, the battery assembly being coupled to the sleeve, and the battery assembly being electrically connected to the first conductive ring and the second conductive ring, respectively .
  • the above cigarette heater and its heating assembly, the first conductive ring and the second conductive ring are used for accessing a power source, so that the first connecting ring and the second connecting ring become two electrodes. Since the first conductive ring sleeve is tightly connected to the first connecting ring on the first connecting ring, the second conductive ring sleeve is tightly connected to the second connecting ring on the second connecting ring, so that the first connecting ring and the second connecting ring are connected The resistance of each part is the same and the current distribution is uniform.
  • each current passing through the current on the heating ring has the same magnitude and the same resistance, so the heating ring The heat rate of each part is the same.
  • the heating tube is evenly heated, and the cigarette can be uniformly heated, thereby improving the utilization rate of the tobacco.
  • Figure 1 is a perspective view of an embodiment of a cigarette heating assembly
  • Figure 2 is a cross-sectional view of the cigarette heating assembly of Figure 1;
  • Figure 3 is an exploded view of the cigarette heating assembly of Figure 1;
  • Figure 4 is another exploded view of the cigarette heating assembly of Figure 1;
  • Figure 5 is a front elevational view of the heating tube of the cigarette heating assembly of Figure 1;
  • Figure 6 is a perspective view of yet another embodiment of a cigarette heating assembly.
  • the cigarette heater and its heating assembly will be described more fully hereinafter with reference to the associated drawings.
  • a preferred embodiment of a cigarette heater and its heating assembly is given in the drawings.
  • the cigarette heater and its heating assembly can be implemented in many different forms and are not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to make the disclosure of the cigarette heater and its heating assembly more thorough and comprehensive.
  • the cigarette heating assembly 10 of one embodiment includes a heating tube 100, a sleeve 200, a first conductive ring 300, and a second conductive ring 400.
  • the first conductive ring 300 and the second conductive ring 400 are used for accessing a power source, and the cigarette is inserted into the heating tube 100, and the tobacco in the cigarette can be electrically heated by the heating tube 100 to release the nicotine and the like from the tobacco, thereby avoiding the harmful effects of tobacco burning. substance.
  • the heating tube 100 is located within the cannula 200.
  • the material of the sleeve 200 is preferably a low thermal conductivity ceramic having a thermal conductivity of generally 2 w/m*K or less, such as zirconia microporous ceramic.
  • the sleeve 200 can include a symmetrical first portion 220 and a second portion 240 that are relatively fixed to form a cylindrical structure. The sleeve 200 can be easily processed by a combination of two parts.
  • the heating tube 100 includes a first connecting ring 120, a second connecting ring 140, a plurality of heating rings 160 between the first connecting ring 120 and the second connecting ring 140, and a plurality of connecting portions 180.
  • the first connecting ring 120, the second connecting ring 140 and the plurality of heating rings 160 are all cylindrical, and the first connecting ring 120, the second connecting ring 140 and the plurality of heating rings 160 are coaxial and have the same radius.
  • the first conductive ring 300 is sleeved on the first connecting ring 120 and is closely connected to the first connecting ring 120 .
  • the second conductive ring 400 is sleeved on the second connecting ring 140 and is closely connected to the second connecting ring 140.
  • the plurality of connecting portions 180 are respectively connected to the two sides of the heating ring 160 , the connecting portion 180 adjacent to the first connecting ring 120 is connected to the first connecting ring 120 , and the connecting portion 180 adjacent to the second connecting ring 140 is connected to the second connecting ring 140 .
  • the other connecting portion 180 is connected to the adjacent heating ring 160.
  • the plurality of connecting portions 180 connected to the same heating ring 160 are alternately arranged on both sides of the heating ring 160, and among the plurality of connecting portions 180 connected to the same heating ring 160, the distance between the adjacent two connecting portions 180 is equal .
  • the first conductive ring 300 and the second conductive ring 400 are used to access a power source such that the first connection ring 120 and the second connection ring 140 become two electrodes.
  • the first conductive ring 300 is tightly connected to the first connecting ring 120 on the first connecting ring 120
  • the second conductive ring 400 is tightly connected to the second connecting ring 140 on the second connecting ring 140, so that the first connecting ring is connected.
  • the resistances of the respective portions of the 120 and the second connecting ring 140 are the same, and the current distribution is uniform.
  • the connecting portion 180 is alternately arranged on both sides of the heating ring 160, and the distance between the adjacent two connecting portions 180 is equal, each current passing through the current on the heating ring 160 has the same magnitude and the same resistance. Therefore, the heat generation rate of each portion on the heating ring 160 is the same. Further, the heating tube 100 is uniformly heated, and the cigarette can be uniformly heated, thereby improving the utilization rate of the tobacco.
  • the inner wall of the connecting portion 180 may be coplanar with the inner wall of the heating ring 160 to prevent the cigarette from being scraped by the connecting portion 180.
  • the outer wall of the connecting portion 180 may be coplanar with the outer wall of the heating ring 160, saving space.
  • a circular tube can be formed by laser welding, and the heating tube 100 is formed by forming an elongated hole in the circular tube. The opening of the elongated hole can be achieved by the process of opening the hole.
  • the material of the heating pipe 100 may be an iron-chromium-aluminum alloy such as FeCr20Al6 alloy or FeCr21Al5 alloy. Iron-chromium-aluminum alloys allow high temperatures and long service life, so surface loads can be higher and can be warmed up faster.
  • the number of the connecting portions 180 connecting the adjacent two heating rings 160 is generally three or more. Referring to FIG. 5, in the embodiment of FIG. 5, the number of connecting portions 180 connecting the adjacent two heating rings 160 is four. One. Preferably, the spacing between adjacent heating rings 160 is less than the width of the heating ring 160. The smaller the pitch, the larger the area of heat generation, that is, the area of the heating ring 160, which is advantageous for uniform heating.
  • the cigarette heating assembly 10 may further include a reflective film 500 disposed on an inner wall of the sleeve 200, and having a reflective film 500 and the heating tube 100 therebetween. Void.
  • the heating tube 100 is not in contact with the sleeve 200, and has an air layer and a reflective film 500 therebetween, so that the heat generated by the heating tube 100 is not easily transmitted to the sleeve 200, thereby preventing heat loss and improving energy utilization.
  • the rate is advantageous for rapid temperature rise, and on the other hand, the casing 200 is prevented from being overheated and affects other components outside the casing 200.
  • the reflective film 500 has a function of reflecting infrared rays, and further enhances the heat retention effect.
  • the material of the reflective film 500 may be aluminum, which is low in cost and good in reflection effect.
  • the reflective film 500 can be attached to the inner wall of the sleeve 200 by a high temperature glue, which is convenient for processing and has low manufacturing cost.
  • the high temperature glue may be an adhesive made of aluminosilicate, inorganic ceramic powder or the like to meet the temperature resistance requirement of 200 degrees Celsius or more.
  • the cigarette heating assembly 10 can be electrically coupled to the battery assembly via a first electrically conductive lead and a second electrically conductive lead (not shown).
  • the sleeve 200 is provided with a first via hole 260 through which the first electrode lead passes, and the first via hole 260 is located corresponding to the first conductive ring 300.
  • the sleeve 200 is further provided with a second via 280 through which the second electrode lead passes, and the second via 280 is located corresponding to the second conductive ring 400.
  • the first conductive lead and the second conductive lead may be nickel wires.
  • the first via holes 260 may be provided only one or two oppositely, and the first conductive ring 300 may be electrically connected at two points. Further, the first via holes 260 may be disposed in plurality, and the plurality of first via holes 260 are evenly distributed, and the first conductive ring 300 may be electrically connected at multiple points to facilitate uniform distribution of current. Similarly, the second vias 280 can also be provided as one, two or more.
  • the first conductive ring 300 and the second conductive ring 400 each include an annular ceramic substrate and a metallization layer disposed outside the ceramic substrate.
  • the metallization layer can be a Mo-Mn metallization layer, and the metallization layer can have a thickness of 10-30 microns.
  • the first conductive ring 300 and the first conductive ring 300 can be brazed around, and the first conductive leads are simultaneously soldered to conveniently and quickly realize the first conductive ring 300, the first conductive ring 300 and the first conductive lead.
  • Mechanical and electrical connections Similarly, the second conductive ring 400 and the second conductive ring 400 can also be brazed around, and the second conductive leads are simultaneously soldered to conveniently and quickly realize the second conductive ring 400, the second conductive ring 400 and the second conductive
  • the leads are reliable mechanical and electrical connections.
  • the brazing metal used is preferably silver-copper alloy or pure silver, which has high strength and can be connected to load-bearing parts to obtain high joint strength.
  • the heating tube 100, the first conductive ring 300 and the second conductive ring 400 each form a combination
  • the cigarette heating assembly 10 comprises a plurality of combinations, each set of heating tubes 100, first
  • the combination of the conductive ring 300 and the second conductive ring 400 has the same shape and coaxial connection of the heating tubes 100 of each group.
  • the cigarette heating unit 10 of the present embodiment forms a longer heating space, the number of combinations and the length of the heating tube 100, which can be set as long as the length of heating of the cigarette is required.
  • the sleeve 200 may be one, sleeved on the outside of a plurality of combinations, and the sleeve 200 may also be plural, and the plurality of sleeves 200 are sequentially connected.
  • a cigarette heater of an embodiment includes a battery assembly and the cigarette heating assembly 10 of claims 1 to 6, the battery assembly being coupled to the sleeve 200, and the battery assembly being electrically connected to the first conductive ring 300 and the second conductive ring 400, respectively
  • the first conductive ring 300 and the second conductive ring 400 are electrically connected, so that the first connecting ring 120 and the second connecting ring 140 become two electrodes.
  • the first conductive ring 300 is tightly connected to the first connecting ring 120 on the first connecting ring 120
  • the second conductive ring 400 is tightly connected to the second connecting ring 140 on the second connecting ring 140, so that the first connecting ring is connected.
  • the resistances of the respective portions of the 120 and the second connecting ring 140 are the same, and the current distribution is uniform.
  • the connecting portion 180 is alternately arranged on both sides of the heating ring 160, and the distance between the adjacent two connecting portions 180 is equal, each current passing through the current on the heating ring 160 has the same magnitude and the same resistance. Therefore, the heat generation rate of each portion on the heating ring 160 is the same. Further, the heating tube 100 is uniformly heated, and the cigarette can be uniformly heated, thereby improving the utilization rate of the tobacco.

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  • Resistance Heating (AREA)

Abstract

L'invention concerne un appareil de chauffage de cigarette et un ensemble de chauffage (10) associé comprenant un tuyau de chauffage (100), un manchon (200), une première bague conductrice (300) et une seconde bague conductrice (400), le tuyau de chauffage (100) comprenant une première bague de raccordement (120), une seconde bague de raccordement (140), une pluralité de bagues de chauffage (160) entre les première et seconde bagues de raccordement (120, 140) et une pluralité de parties de raccordement (180) raccordées sur deux côtés de chaque bague de chauffage (160). Les parties de raccordement (180) sont agencées en alternance sur les deux côtés de la bague de chauffage (160), à égale distance entre deux pièces de raccordement adjacentes (180), et les segments sur la bague de chauffage (160), à travers lesquels le courant circule, présentent tous par conséquent des résistances égales, de sorte que le tuyau de chauffage (100) fournisse de la chaleur de manière uniforme et que la cigarette soit chauffée de manière uniforme, ce qui permet d'améliorer le taux d'utilisation de la cigarette.
PCT/CN2015/072116 2015-02-02 2015-02-02 Appareil de chauffage de cigarette et ensemble de chauffage associé WO2016123738A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/072116 WO2016123738A1 (fr) 2015-02-02 2015-02-02 Appareil de chauffage de cigarette et ensemble de chauffage associé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/072116 WO2016123738A1 (fr) 2015-02-02 2015-02-02 Appareil de chauffage de cigarette et ensemble de chauffage associé

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WO2016123738A1 true WO2016123738A1 (fr) 2016-08-11

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Cited By (18)

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Publication number Priority date Publication date Assignee Title
WO2019002589A1 (fr) * 2017-06-29 2019-01-03 Philip Morris Products S.A. Dispositif de vapotage électronique avec élément chauffant tubulaire
CN109222248A (zh) * 2018-10-16 2019-01-18 江西中烟工业有限责任公司 一种用于卷烟加热的装置
KR20190047618A (ko) * 2017-10-27 2019-05-08 센젠 퍼스트 유니온 테크놀러지 캄파니 리미티드 저온 화력건조 흡연기구 가열장치 및 저온 화력건조 흡연기구
KR20190049405A (ko) * 2017-10-30 2019-05-09 주식회사 케이티앤지 에어로졸 생성 장치 및 에어로졸 생성 장치용 히터
WO2019088587A3 (fr) * 2017-10-30 2019-07-04 주식회사 케이티앤지 Dispositif de génération d'aérosol et élément chauffant pour dispositif de génération d'aérosol
WO2019173938A1 (fr) * 2018-03-12 2019-09-19 惠州市吉瑞科技有限公司深圳分公司 Système de chauffage et son ensemble de chauffage
US11178910B2 (en) 2017-05-11 2021-11-23 Kt&G Corporation Vaporizer and aerosol generation device including same
US11344067B2 (en) 2017-10-30 2022-05-31 Kt&G Corporation Aerosol generating apparatus having air circulation hole and groove
US11350673B2 (en) 2017-10-30 2022-06-07 Kt&G Corporation Aerosol generating device and method for controlling same
US11369145B2 (en) 2017-10-30 2022-06-28 Kt&G Corporation Aerosol generating device including detachable vaporizer
US11478015B2 (en) 2017-10-30 2022-10-25 Kt&G Corporation Vaporizer of an aerosol generating device having a leakage-preventing structure
US11528936B2 (en) 2017-10-30 2022-12-20 Kt&G Corporation Aerosol generating device
US11622580B2 (en) 2017-10-30 2023-04-11 Kt&G Corporation Aerosol generation device and generation method
US11622579B2 (en) 2017-10-30 2023-04-11 Kt&G Corporation Aerosol generating device having heater
US11700886B2 (en) 2017-10-30 2023-07-18 Kt&G Corporation Aerosol generating device and heater assembly for aerosol generating device
US11700885B2 (en) 2017-10-30 2023-07-18 Kt&G Corporation Aerosol generation device including mainstream smoke passage and pressure detection passage
US11974611B2 (en) 2017-10-30 2024-05-07 Kt&G Corporation Method for controlling temperature of heater included in aerosol generation device according to type of cigarette, and aerosol generation device for controlling temperature of heater according to type of cigarette
US12016390B2 (en) 2017-10-30 2024-06-25 Kt&G Corporation Aerosol generating device and heater assembly for aerosol generating device

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US11178910B2 (en) 2017-05-11 2021-11-23 Kt&G Corporation Vaporizer and aerosol generation device including same
US11690965B2 (en) 2017-06-29 2023-07-04 Altria Client Services Llc Electronic vaping device with tubular heating element
US10994086B2 (en) 2017-06-29 2021-05-04 Altria Client Services Llc Electronic vaping device with tubular heating element
WO2019002589A1 (fr) * 2017-06-29 2019-01-03 Philip Morris Products S.A. Dispositif de vapotage électronique avec élément chauffant tubulaire
JP2021058201A (ja) * 2017-10-27 2021-04-15 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
KR20190047618A (ko) * 2017-10-27 2019-05-08 센젠 퍼스트 유니온 테크놀러지 캄파니 리미티드 저온 화력건조 흡연기구 가열장치 및 저온 화력건조 흡연기구
JP7137611B2 (ja) 2017-10-27 2022-09-14 深▲せん▼市合元科技有限公司 低温加熱式喫煙具の加熱装置及び低温加熱式喫煙具
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
KR102417720B1 (ko) * 2017-10-27 2022-07-06 센젠 퍼스트 유니온 테크놀러지 캄파니 리미티드 저온 화력건조 흡연기구 가열장치 및 저온 화력건조 흡연기구
KR20210000292A (ko) * 2017-10-27 2021-01-04 센젠 퍼스트 유니온 테크놀러지 캄파니 리미티드 저온 화력건조 흡연기구 가열장치 및 저온 화력건조 흡연기구
KR102198618B1 (ko) * 2017-10-27 2021-01-05 센젠 퍼스트 유니온 테크놀러지 캄파니 리미티드 저온 화력건조 흡연기구 가열장치 및 저온 화력건조 흡연기구
KR20200092909A (ko) * 2017-10-30 2020-08-04 주식회사 케이티앤지 에어로졸 생성 장치 및 에어로졸 생성 장치용 히터
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US12016390B2 (en) 2017-10-30 2024-06-25 Kt&G Corporation Aerosol generating device and heater assembly for aerosol generating device
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