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WO2021086111A1 - Élément chauffant en céramique pour dispositif de génération de particules fines - Google Patents

Élément chauffant en céramique pour dispositif de génération de particules fines Download PDF

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Publication number
WO2021086111A1
WO2021086111A1 PCT/KR2020/015035 KR2020015035W WO2021086111A1 WO 2021086111 A1 WO2021086111 A1 WO 2021086111A1 KR 2020015035 W KR2020015035 W KR 2020015035W WO 2021086111 A1 WO2021086111 A1 WO 2021086111A1
Authority
WO
WIPO (PCT)
Prior art keywords
ceramic body
fine particle
ceramic
ceramic heater
heating coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2020/015035
Other languages
English (en)
Korean (ko)
Inventor
정승규
원혁
전인성
박용수
김대성
이학동
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.)
EM Tech Co Ltd
Original Assignee
EM Tech Co 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
Priority claimed from KR1020200116034A external-priority patent/KR102514300B1/ko
Application filed by EM Tech Co Ltd filed Critical EM Tech Co Ltd
Publication of WO2021086111A1 publication Critical patent/WO2021086111A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A24F40/10—Devices using liquid inhalable precursors
    • 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
    • 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
    • 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
    • H05B3/18—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material

Definitions

  • the present invention relates to a ceramic heater for a device for generating fine particles.
  • FIG. 1 is a view showing a ceramic heater according to the prior art.
  • the existing ceramic heater 10 has a pipe shape, and its inner circumferential surface becomes a heating surface. In this case, the heating surface and the coil 12 are in contact with each other. Therefore, when the coil 12 is heated, the liquid phase is rapidly heated and vaporized to form fine particles (B). The fine particles (B) are inhaled by the user along with the outside air (A). In this case, when the liquid phase is heated on the surface of the heater 10, the liquid phase is rapidly heated and the liquid phase splashes during the evaporation process, or a liquid overflow phenomenon occurs in which the liquid phase enters the user's mouth through the mouthpiece. In addition, there is a problem in that the size of the vaporized particles by directly transferring heat to the liquid phase is large.
  • a liquid vaporization structure such as a hole type or a bath type is located on the top or side of the vaporization space in which the liquid vaporization occurs.
  • the pores between the particles forming the ceramic heater 10 are connected to each other so that the liquid phase follows the ceramic body 10 and the inner peripheral surface of the ceramic body 10 Flows to the side.
  • the liquid phase moved in this way is heated by the heating coil 12 to evaporate, and the liquid phase flowing to a position where it cannot be heated sufficiently in the heating coil 12 flows out through the pores of the ceramic body 10 as it is and flows to the bottom. . Therefore, at this time, there is a problem that the liquid phase (C) that cannot be vaporized flows under the heater 10 as it is and accumulates therein.
  • the product may malfunction due to the deposition of the liquid in the product, and when the liquid overflows depending on the viscosity of the liquid, the airflow hole connecting the pressure sensor 20 and the airflow path 14 is blocked to recognize the puff. There was also a problem of not being able to do it.
  • An object of the present invention is to provide a ceramic heater for a fine particle generator capable of solving problems such as scattering and precipitation of a liquid phase.
  • the present invention a cylindrical porous ceramic body having a hollow portion therein; And a heating coil embedded in the ceramic body so as not to contact the inner circumferential surface of the ceramic body.
  • the porous ceramic body includes a first part between the heating coil and the inner circumferential surface, and a second part between the heating coil and the outer circumferential surface, and the first part and the second part have different characteristics. It provides a ceramic heater for a fine particle generating device, characterized in that.
  • the first part and the second part provide a ceramic heater for a fine particle generator, characterized in that they are made of different materials.
  • the first part and the second part provide a ceramic heater for a fine particle generator, characterized in that they have different porosities.
  • a ceramic heater for a fine particle generating device characterized in that the hollow portion of the ceramic body has a shape that becomes narrower toward the top.
  • the present invention is a cylindrical porous ceramic body having a hollow portion therein; And a heating coil embedded in the ceramic body, wherein the internal hollow portion of the ceramic body becomes narrower toward the top.
  • the heating coil is positioned inside the ceramic at a distance from the surface of the ceramic heater, so that the vaporized liquid particles are reduced, and the phenomenon that the liquid phase is rapidly heated can be prevented from splashing.
  • FIG. 1 is a view showing a ceramic heater for a conventional fine particle generating device
  • FIG. 2 is a view showing a ceramic heater for a fine particle generating device according to a first embodiment of the present invention
  • FIG. 3 is a view showing a ceramic heater for a fine particle generating device according to a second embodiment of the present invention.
  • FIG. 4 is a view showing a ceramic heater for a fine particle generating device according to a third embodiment of the present invention.
  • FIG. 5 is a view showing a ceramic heater for a fine particle generating device according to a fourth embodiment of the present invention.
  • FIG. 2 is a view showing a ceramic heater for a fine particle generating device according to the first embodiment of the present invention.
  • a heating coil 120 is embedded in a cylindrical porous ceramic body 110.
  • the liquid phase moves slowly, the aerosol moves smoothly at a high temperature, and the pores of the porous ceramic 110 are connected to form a crossroad through which the aerosol can pass.
  • the size of the pores is preferably between 10nm to 10 ⁇ m, more preferably between 0.1 to 1 ⁇ m.
  • the porous ceramic body 110 should use a material having high thermal conductivity among ceramic materials and having good durability at high temperatures.
  • the thermal conductivity is 10 (W/m ⁇ K) or more, and the thermal expansion coefficient is preferably 0.4% or less at 300 degrees or less.
  • the porous ceramic body 110 may be manufactured from diatomaceous earth, which is a mineral made of the above-described materials.
  • the porous ceramic body 110 may be manufactured by a powder injection molding method. After mixing the powder ceramic and the organic binder, the mixture is injected into a mold to form a desired shape. Thereafter, the binder is removed and sintered to manufacture the porous ceramic body 110 having a desired shape.
  • the ceramic body 110 has a hollow 140 formed therein.
  • the heating coil 120 is characterized in that it is buried inside the ceramic body 110 at a predetermined distance from the inner circumferential surface of the ceramic body 110. Accordingly, the heating coil 120 directly heats the liquid phase on the inner circumferential surface of the ceramic body 110 so that the liquid phase is not evaporated into fine particles (B), but the liquid phase slowly rises from the inner circumferential surface of the ceramic body 110 that is evenly heated. , It is possible to prevent a liquid overflow phenomenon in which the liquid suddenly boils and splashes, or the liquid that has not been vaporized into the user's mouth through the suction port is passed over.
  • the heating coil 120 is positioned inside the ceramic body 110 at a distance from the inner circumferential surface of the ceramic body 110, the vaporized liquid particles can be reduced and rapid heating can be prevented, thereby preventing liquid splashing. Can be prevented.
  • the material of the heating coil 120 may be made of a metallic material, such as KANTHAL, SUS, or NICHROME.
  • FIG. 3 is a view showing a ceramic heater for a fine particle generating device according to a second embodiment of the present invention.
  • the ceramic heater 100a according to the second embodiment of the present invention is characterized in that a ceramic body is formed of two parts. A first part 112b disposed inside the heating coil 120a, and a second part 114b disposed outside the first part 112b including the heating coil 120a.
  • the first part 112b and the second part 114b may be formed of different materials or materials having different characteristics, such as different porosities.
  • the content of diatomaceous earth (SiO 2 ) is high, absorption of the liquid phase into the ceramic body is slow. By using this, the content of diatomaceous earth can be increased in locations where leakage is likely to occur.
  • the higher the content of alumina (Al 2 O 3 ) the faster the liquid phase is absorbed into the ceramic body.
  • the first part 112b is formed of a ceramic material having a high alumina content and generates fine particles by heating the liquid with the heating coil 120a
  • the liquid phase is absorbed by the first part 112a, which is a part where vaporization occurs. You can do it quickly.
  • the second part 114a including the heating coil 120a increases the content of diatomaceous earth to slow the absorption of the liquid phase, thereby preventing liquid leakage.
  • FIG. 4 is a view showing a ceramic heater for a fine particle generating device according to a third embodiment of the present invention.
  • the ceramic heater 100b according to the third embodiment of the present invention is characterized in that a ceramic body is formed of three parts.
  • the first part 112b located inside the heating coil 120b, the heating coil 120b are included, and the second part 114b located outside the first part 112b, and the heating coil 120b. It includes a third part 116b positioned on the outside.
  • the ceramic body consists of three parts, the ceramic component and porosity of the three parts can be all changed as necessary, and the second part 114b has a high content of alumina having a high water absorption rate, and the first part 112b ) And the third part 116 may be formed of a material having a high content of diatomaceous earth having a low absorption rate. Conversely, the second part 114b has a high content of diatomaceous earth having a low absorption rate, and the first part 112b and the third part 116 may be formed of a material having a high alumina content having a high absorption rate.
  • the ceramic heater according to the present invention has an advantage of reducing the size of vaporized particles because the heating coil heats the ceramic body and the ceramic body indirectly transfers heat to the liquid phase.
  • the ceramic body can be made of a single material, or can be made of two or three different materials.
  • the ceramic body positioned on the inside of the heating coil may be made of Al 2 O 3 material, and the ceramic body positioned on the outside of the heating coil may be made of SiO 2.
  • FIG. 5 is a view showing a ceramic heater for a fine particle generating device according to a fourth embodiment of the present invention.
  • the inner diameter of the hollow portion 140c becomes narrower toward the top.
  • the pipe-type heater of the conventional electronic cigarette cartridge is a straight cylinder, and the disadvantage of this structure is that the vaporized liquid directly enters the oral cavity. When the heated liquid directly enters the oral cavity, the taste or hotness of the liquid is transmitted, causing discomfort.
  • the inner diameter of the hollow portion 140c becomes narrower toward the top, and thus the cross-section is trapezoidal.
  • the heating coil 120c may be disposed inwardly on the inner circumferential surface of the ceramic body 100c, or may be buried inside at a distance from the inner circumferential surface of the ceramic body 100c as in the first embodiment.
  • the heating surface becomes wider, the number of fine particles B generated by vaporization of the liquid phase increases.
  • the inner diameter of the upper side of the hollow portion 140c is small during suction, the liquid phase generated when the liquid phase is evaporated is blocked on the inner circumferential surface of the ceramic body 100c, thereby preventing the liquid phase from scattering or overflowing.

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  • Resistance Heating (AREA)

Abstract

La présente invention concerne un élément chauffant en céramique pour un dispositif de génération de particules fines. La présente invention concerne un élément chauffant en céramique pour un dispositif de génération de particules fines, comprenant : un corps cylindrique en céramique poreuse ayant une partie creuse à l'intérieur ; et une bobine de chauffage incorporée à l'intérieur du corps en céramique de façon à ne pas entrer en contact avec la surface circonférentielle interne du corps en céramique.
PCT/KR2020/015035 2019-10-30 2020-10-30 Élément chauffant en céramique pour dispositif de génération de particules fines Ceased WO2021086111A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2019-0136689 2019-10-30
KR20190136689 2019-10-30
KR10-2020-0042098 2020-04-07
KR20200042098 2020-04-07
KR1020200116034A KR102514300B1 (ko) 2019-10-30 2020-09-10 미세입자 발생장치용 세라믹 히터
KR10-2020-0116034 2020-09-10

Publications (1)

Publication Number Publication Date
WO2021086111A1 true WO2021086111A1 (fr) 2021-05-06

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ID=75716136

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/015035 Ceased WO2021086111A1 (fr) 2019-10-30 2020-10-30 Élément chauffant en céramique pour dispositif de génération de particules fines

Country Status (1)

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WO (1) WO2021086111A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180040059A (ko) * 2016-01-20 2018-04-19 시아오춘 주 세라믹 기화기 및 세라믹 기화기를 갖는 전자 담배
CN207492072U (zh) * 2017-06-28 2018-06-15 深圳市卓力能电子有限公司 一种电子烟防漏油多孔陶瓷雾化芯
KR20180071321A (ko) * 2015-10-22 2018-06-27 필립모리스 프로덕츠 에스.에이. 에어로졸 발생 물품, 에어로졸 발생 시스템 및 에어로졸 발생 물품을 제조하기 위한 방법
JP2018520664A (ja) * 2015-06-09 2018-08-02 アール・エイ・アイ・ストラテジック・ホールディングス・インコーポレイテッド 固体エアロゾル発生源を実装する加熱装置を含む電子喫煙物品、ならびに関連付けられる装置及び方法
CN109674091A (zh) * 2019-01-21 2019-04-26 湖南聚能陶瓷材料有限公司 一种组合式高温微孔大功率陶瓷雾化芯及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018520664A (ja) * 2015-06-09 2018-08-02 アール・エイ・アイ・ストラテジック・ホールディングス・インコーポレイテッド 固体エアロゾル発生源を実装する加熱装置を含む電子喫煙物品、ならびに関連付けられる装置及び方法
KR20180071321A (ko) * 2015-10-22 2018-06-27 필립모리스 프로덕츠 에스.에이. 에어로졸 발생 물품, 에어로졸 발생 시스템 및 에어로졸 발생 물품을 제조하기 위한 방법
KR20180040059A (ko) * 2016-01-20 2018-04-19 시아오춘 주 세라믹 기화기 및 세라믹 기화기를 갖는 전자 담배
CN207492072U (zh) * 2017-06-28 2018-06-15 深圳市卓力能电子有限公司 一种电子烟防漏油多孔陶瓷雾化芯
CN109674091A (zh) * 2019-01-21 2019-04-26 湖南聚能陶瓷材料有限公司 一种组合式高温微孔大功率陶瓷雾化芯及其制备方法

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