WO2019000486A1 - 一种电子烟防漏油多孔陶瓷雾化芯 - Google Patents

一种电子烟防漏油多孔陶瓷雾化芯 Download PDF

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Publication number
WO2019000486A1
WO2019000486A1 PCT/CN2017/092353 CN2017092353W WO2019000486A1 WO 2019000486 A1 WO2019000486 A1 WO 2019000486A1 CN 2017092353 W CN2017092353 W CN 2017092353W WO 2019000486 A1 WO2019000486 A1 WO 2019000486A1
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porous ceramic
ceramic substrate
heating wire
hole
axial
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PCT/CN2017/092353
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English (en)
French (fr)
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丁毅
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深圳市卓力能电子有限公司
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • 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
    • A24F40/44—Wicks
    • 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

Definitions

  • the utility model relates to the field of electronic cigarettes, in particular to an electronic cigarette leakage-proof oil porous ceramic atomizing core.
  • E-cigarette also known as e-cigarette, basically works by heating a cigarette with a cigarette flavor into a mist by a nebulizer for use by smokers.
  • E-cigarettes have the same appearance as cigarettes, and have a similar taste to cigarettes, even more than the taste of ordinary cigarettes. They can also smoke and absorb the taste and feel like cigarettes.
  • the electronic cigarette was wound with a fiber core or a cotton-conducting cotton filament to atomize the smoke oil.
  • the atomization core of this structure has a relatively slow oil guiding efficiency and heating atomization response.
  • the electronic smoke mainly adopts an atomizing core composed of a porous ceramic and a heating wire to atomize the smoke oil, and the atomized core of the structure has the advantages of high temperature resistance, scorch resistance, oil guiding efficiency and heating atomization response.
  • the utility model provides an electronic smoke leakage preventing porous ceramic atomizing core.
  • an electronic cigarette leakage-proof oil porous ceramic atomizing core comprising a porous ceramic substrate and a heating wire sintered inside the porous ceramic substrate, the heating wire The two ends protrude from the surface of the porous ceramic substrate to form an electrode; and further comprise a nano-oleophobic leak-proof layer attached to the surface of the porous ceramic substrate.
  • the porous ceramic substrate can be fabricated into a solid core rod, a hollow cylinder or other special-shaped structure, and the heating wire is spiraled and sintered and penetrates through the inside of the porous ceramic substrate.
  • the nano oleophobic leakproof layer is attached to the outer surface, the inner surface or the end surface of the ceramic substrate.
  • the nano oleophobic leakage preventing layer is designed to have a pore size between the diameter of the gas molecule and the diameter of the liquid molecule, thereby ensuring a smooth passage of the gas and a certain physical barrier effect on the liquid.
  • the nano oleophobic leakage preventing layer has a strong oleophobic function in material selection, so that the wetting angle of the liquid smoky oil when contacting the oleophobic layer is greater than 90 degrees, which hinders the auxiliary exhibition and penetration of the smoky oil on the oleophobic layer. A leak-proof effect is achieved.
  • Embodiment 1 is a schematic structural view (1) of Embodiment 1 of the present invention.
  • Embodiment 1 is a schematic structural view (2) of Embodiment 1 of the present invention.
  • Figure 3 is a schematic structural view (1) of Embodiment 2 of the present invention.
  • Figure 4 is a schematic structural view (2) of Embodiment 2 of the present invention.
  • Figure 5 is a schematic structural view (1) of Embodiment 3 of the present invention.
  • Figure 6 is a schematic structural view (2) of Embodiment 3 of the present invention.
  • Figure 7 is a schematic structural view (1) of Embodiment 4 of the present invention.
  • Figure 8 is a schematic structural view (2) of Embodiment 4 of the present invention.
  • Figure 9 is a schematic structural view (1) of Embodiment 5 of the present invention.
  • Figure 10 is a schematic structural view (2) of Embodiment 5 of the present invention.
  • Embodiment 1 as shown in FIG. 1 and FIG. 2, the embodiment is an electronic cigarette leakage-proof oil porous ceramic atomizing core, the ceramic atomizing core comprises a porous ceramic substrate 1, and the sintering is performed inside the porous ceramic substrate.
  • the wire 2 is attached to the nano oleophobic leakage preventing layer 3 on the surface of the porous ceramic substrate, and the ends of the heating wire 2 protrude from the surface of the porous ceramic substrate to form the electrode 21.
  • the porous ceramic substrate 1 is a solid core rod structure, and the heating wire 2 is spiraled and sintered, and penetrates through the inside of the porous ceramic substrate, and the upper and lower portions of the heating wire 2 are close to the outer surface of the porous ceramic substrate 1, that is, External wall heating.
  • the round bar-shaped porous ceramic substrate 1 is oiled at both end faces.
  • the atomized gas out surface of the porous ceramic substrate 1 is the outer surface of the porous ceramic substrate 1
  • the nano oleophobic leakage preventing layer 3 is attached to the outer surface of the porous ceramic substrate 1.
  • the smoky oil is infiltrated into the porous ceramic substrate 1 through the porous structure from both end faces of the porous ceramic substrate 1, and is heated and atomized by contact with the heating wire 2, and the atomized gas stream passes through the nano oleophobic leakage preventing layer 3 and is then introduced into the gas flow channel.
  • Embodiment 2 as shown in FIG. 3 and FIG. 4, similar to Embodiment 1, this embodiment is also an electronic cigarette leakage-proof oil porous ceramic atomizing core, wherein the porous ceramic substrate 1 is a hollow core cylindrical structure, that is, The axial position of the porous ceramic substrate 1 defines an axial through hole 11.
  • the heating wire 2 is spiraled and sintered, and penetrates through the inside of the porous ceramic substrate, and the upper and lower portions of the heating wire 2 are arranged close to the inner wall of the axial through hole 11 of the porous ceramic substrate 1, that is, the inner wall type heating.
  • the hollow cylindrical porous ceramic substrate 1 is guided by an outer surface.
  • the atomized gas out surface of the porous ceramic substrate 1 is the both end faces of the porous ceramic substrate 1 and the inner wall faces of the axial through holes 11, and the nano oleophobic leakage preventing layer 3 is attached to the end faces of the porous ceramic substrate 1 and the axis.
  • the position of the inner wall surface of the through hole 11 is made.
  • the smoke oil is infiltrated into the porous ceramic substrate 1 through the porous structure from the outer surface of the porous ceramic substrate 1, and is heated and atomized by contact with the heating wire 2, and the atomized gas stream passes through the nano oleophobic leakage preventing layer 3 and is then introduced into the gas flow passage.
  • Embodiment 3 as shown in FIG. 5 and FIG. 6, similar to Embodiments 1 and 2, this embodiment is also an electronic cigarette leakage-proof oil porous ceramic atomizing core, wherein the porous ceramic substrate 1 is an air core cylindrical structure. That is, an axial through hole 11 is formed in the axial position of the porous ceramic base 1.
  • the heating wire 2 is spiraled and sintered, and penetrates through the inside of the porous ceramic substrate, while the upper and lower portions of the heating wire 2 are close to the outer surface of the porous ceramic substrate 1, that is, the outer wall type is heated.
  • the hollow cylindrical porous ceramic substrate 1 is guided by the inner wall surface of the axial through hole 11.
  • the atomized gas out surface of the porous ceramic substrate 1 is the both end faces and the outer surface of the porous ceramic substrate 1
  • the nano oleophobic leakproof layer 3 is attached to both end face positions and outer surface positions of the porous ceramic base 1.
  • the smoke oil penetrates from the inner wall surface of the axial through hole 11 of the porous ceramic substrate 1 to the outer surface of the porous ceramic substrate 1 through the porous structure, and is heated and atomized by contact with the heating wire 2, and the atomized gas flow passes through the nano oleophobic leakage preventing layer 3 Enter the airflow channel to export.
  • Embodiment 4 as shown in FIGS. 7 and 8, similar to Embodiments 1, 2, and 3, this embodiment is also an electronic cigarette leakage-proof oil porous ceramic atomizing core, wherein the porous ceramic substrate 1 has a T-shaped structure.
  • An axial through hole 11 is formed in the longitudinal position of the porous ceramic substrate 1.
  • the heating wire 2 is spiraled and sintered, penetrating through the inside of the porous ceramic substrate, and the inner wall surface of the heating wire 2 close to the longitudinal through hole 11 of the porous ceramic substrate 1, that is, the inner wall type heating.
  • the T-shaped porous ceramic substrate 1 is guided by the top end surface.
  • the atomized gas out surface of the porous ceramic substrate 1 is the inner wall surface of the longitudinal through hole 11 of the porous ceramic substrate 1
  • the nano oleophobic leakage preventing layer 3 is attached to the outer surface of the porous ceramic substrate 1 and the longitudinal through hole 11 Wall position.
  • the smoky oil penetrates into the porous ceramic substrate 1 through the porous structure from the top end surface of the porous ceramic substrate 1, and is heated and atomized by contacting the heating wire 2 at the inner wall surface of the longitudinal through hole 11, and the atomizing airflow passes through the nano oleophobic leakage preventing layer. After 3, it enters the vertical through hole 11 and is then led out by the air flow passage.
  • Embodiment 5 as shown in FIG. 9, 10, similar to Embodiments 1, 2, 3, and 4, this embodiment is also an electronic cigarette leakage-proof oil porous ceramic atomizing core, wherein the porous ceramic substrate 1 is convex
  • the structure and an axial through hole 11 are formed in the axial position of the porous ceramic substrate 1.
  • the heating wire 2 is spiraled and sintered, and penetrates through the inside of the porous ceramic substrate, and the inner wall surface of the heating wire 2 close to the axial through hole 11 of the porous ceramic substrate 1, that is, the inner wall type heating.
  • the convex porous ceramic substrate 1 is oil-conducting using a top surface.
  • the atomized gas out surface of the porous ceramic substrate 1 is the inner wall surface of the axial through hole 11 of the porous ceramic substrate 1, and the nano oleophobic leakage preventing layer 3 is attached to the outer surface position of the porous ceramic substrate 1 and the axial through hole.
  • the smoke oil penetrates into the porous ceramic substrate 1 through the porous structure from the top surface of the porous ceramic substrate 1, and is heated and atomized by contacting the heating wire 2 at the inner wall surface of the axial through hole 11, and the atomizing airflow passes through the nano oleophobic leakage preventing After the layer 3 enters the axial through hole 11 and is then led out by the air flow passage.
  • the utility model adopts the above several structures, and the nano oleophobic leakage preventing layer 3 is attached to the atomized gas outlet surface of the porous ceramic substrate 1, because the nano oleophobic leakage preventing layer 3 is designed to have a pore size between the gas molecular diameter and the liquid molecule. Between diameters, Thereby, the gas can pass smoothly and has a certain physical barrier effect on the liquid.
  • the nano oleophobic leakage preventing layer 3 has a strong oleophobic function in material selection, so that the wetting angle when the liquid smoky oil is in contact with the oleophobic layer is greater than 90 degrees, hindering the smoky oil on the nano oleophobic leakage preventing layer 3 Auxiliary exhibition and penetration to achieve leak-proof effect.

Abstract

一种电子烟防漏油多孔陶瓷雾化芯，包括多孔陶瓷基体（1）和烧结在所述的多孔陶瓷基体（1）内部的发热丝（2），发热丝（2）两端伸出多孔陶瓷基体（1）表面形成电极（21）；还包括附着在多孔陶瓷基体（1）表面的纳米疏油防漏层（3）。纳米疏油防漏层（3）在设计上孔径大小介于气体分子直径和液体分子直径之间，从而可保证气体可顺利通过而对液体起到一定的物理阻隔作用。同时纳米疏油防漏层（3）在材料选择上具有较强的疏油功能，使液体烟油与纳米疏油防漏层（3）接触时的润湿角大于90度，阻碍烟油在纳米疏油防漏层（3）上面的辅展和渗透，达到防漏效果。

Description

一种电子烟防漏油多孔陶瓷雾化芯 技术领域
本实用新型涉及电子烟领域，特别涉及一种电子烟防漏油多孔陶瓷雾化芯。
背景技术
电子烟又名电子香烟，其基本工作原理为通过雾化器把具有香烟味道的烟油加热雾化成烟雾状，供吸烟者使用。电子烟有着与香烟一样的外观，与香烟近似的味道，甚至比一般香烟的口味要多很多，也像香烟一样能吸出烟、吸出味道跟感觉来。
早期的电子烟采用纤维芯或导油棉缠绕发热丝进行烟油的雾化，这种结构的雾化芯导油效率和加热雾化响应相对较慢。目前的电子烟雾多采用多孔陶瓷和发热丝组成的雾化芯进行烟油的雾化，该结构的雾化芯具有耐高温不易烧焦、导油效率和加热雾化响应明显提高等优点。但是多孔陶瓷从表面到内部存在许多贯通的孔隙结构，锁油能力明显差于导油棉，特别是当烟油过稀，粘度较小时，存在导油过快出现炸油现象，或在长期放置过程中，烟油从多孔陶瓷体内部渗漏至气体流道中，下次使用时直接吸入到口中，影响口感。
实用新型内容
针对现有多孔陶瓷雾化芯漏油的问题，本实用新型提供了一种电子烟防漏油多孔陶瓷雾化芯。
本实用新型为实现其目的所采用的技术方案是：一种电子烟防漏油多孔陶瓷雾化芯，包括多孔陶瓷基体和烧结在所述的多孔陶瓷基体内部的发热丝，所述的发热丝两端伸出多孔陶瓷基体表面形成电极；还包括附着在所述的多孔陶瓷基体表面的纳米疏油防漏层。
本实用新型中，多孔陶瓷基体在结构上可制作为实芯圆棒、空心圆柱或其它异形结构，发热丝呈螺旋状并烧结、贯穿于多孔陶瓷基体内部。该纳米疏油防漏层附着在陶瓷基体的外表面、内表面或端面位置。
本实用新型采用上述结构有以下作用，纳米疏油防漏层在设计上孔径大小介于气体分子直径和液体分子直径之间，从而可保证气体可顺利通过而对液体起到一定的物理阻隔作用。同时该纳米疏油防漏层在材料选择上具有较强的疏油功能，使液体烟油与疏油层接触时的润湿角大于90度，阻碍烟油在疏油层上面的辅展和渗透，达到防漏效果。
下面结合具体实施例对本实用新型作较为详细的描述。
附图说明
图1为本实用新型实施例1的结构示意图(1)。
图2为本实用新型实施例1的结构示意图(2)。
图3为本实用新型实施例2的结构示意图(1)。
图4为本实用新型实施例2的结构示意图(2)。
图5为本实用新型实施例3的结构示意图(1)。
图6为本实用新型实施例3的结构示意图(2)。
图7为本实用新型实施例4的结构示意图(1)。
图8为本实用新型实施例4的结构示意图(2)。
图9为本实用新型实施例5的结构示意图(1)。
图10为本实用新型实施例5的结构示意图(2)。
具体实施方式
实施例1，如图1和图2所示，本实施例是一种电子烟防漏油多孔陶瓷雾化芯，该陶瓷雾化芯包括一个多孔陶瓷基体1，烧结在多孔陶瓷基体内部的发热丝2、附着在多孔陶瓷基体表面的纳米疏油防漏层3，发热丝2两端伸出多孔陶瓷基体表面形成电极21。
本实施例中，多孔陶瓷基体1为一实芯圆棒结构，发热丝2呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，同时发热丝2的上下部位靠近多孔陶瓷基体1的外表面，即外壁式加热。
具体而言，如图1，2所示，该圆棒状多孔陶瓷基体1采用两端面进油。此时，多孔陶瓷基体1的雾化出气面为多孔陶瓷基体1的外侧表面，则纳米疏油防漏层3附着在多孔陶瓷基体1的外表面位置。烟油由多孔陶瓷基体1的两个端面经多孔结构渗透到多孔陶瓷基体1内部，并与发热丝2接触进行加热雾化，雾化气流经过纳米疏油防漏层3后进入气流通道导出。
实施例2，如图3，4所示，与实施例1相似，本实施例也是一种电子烟防漏油多孔陶瓷雾化芯，其中，多孔陶瓷基体1为一空芯圆柱状结构，即在多孔陶瓷基体1的轴向位置开设一个轴向通孔11。发热丝2呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，同时发热丝2的上下部位靠近多孔陶瓷基体1轴向通孔11的内孔壁进行布置，即内壁式加热。
具体而言，如图3，4所示，该空心圆柱状多孔陶瓷基体1采用外表面进行导油。此时，多孔陶瓷基体1的雾化出气面为多孔陶瓷基体1的两端面和轴向通孔11的内壁面，则纳米疏油防漏层3附着在多孔陶瓷基体1的两端面位置和轴向通孔11的内壁面位置。烟油由多孔陶瓷基体1的外表面经多孔结构渗透到多孔陶瓷基体1内部，并与发热丝2接触进行加热雾化，雾化气流经过纳米疏油防漏层3后进入气流通道导出。
实施例3，如图5，6所示，与实施例1、2相似，本实施例也是一种电子烟防漏油多孔陶瓷雾化芯，其中，多孔陶瓷基体1为一空芯圆柱状结构，即在多孔陶瓷基体1的轴向位置开设一个轴向通孔11。发热丝2呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，同时发热丝2的上下部位靠近多孔陶瓷基体1的外表面，即外壁式加热。
具体而言，如图5，6所示，该空心圆柱状多孔陶瓷基体1采用轴向通孔11的内壁面进行导油。此时，多孔陶瓷基体1的雾化出气面为多孔陶瓷基体1的两端面和外表面，则纳米疏油防漏层3附着在多孔陶瓷基体1的两端面位置和外表面位置。烟油由多孔陶瓷基体1轴向通孔11的内壁面经多孔结构渗透到多孔陶瓷基体1外表面，并与发热丝2接触进行加热雾化，雾化气流经过纳米疏油防漏层3后进入气流通道导出。
实施例4，如图7，8所示，与实施例1、2、3相似，本实施例也是一种电子烟防漏油多孔陶瓷雾化芯，其中，多孔陶瓷基体1为T形结构，并在多孔陶瓷基体1的纵向位置开设一个轴向通孔11。发热丝2呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，同时发热丝2的靠近多孔陶瓷基体1纵向通孔11的内壁面，即内壁式加热。
具体而言，如图7，8所示，该T形多孔陶瓷基体1采用顶部端面进行导油。此时，多孔陶瓷基体1的雾化出气面为多孔陶瓷基体1纵向通孔11的内壁面，则纳米疏油防漏层3附着在多孔陶瓷基体1的外表面位置和纵向通孔11的内壁面位置。烟油由多孔陶瓷基体1的顶部端面经多孔结构渗透到多孔陶瓷基体1内部，并在纵向通孔11内壁面位置与发热丝2接触进行加热雾化，雾化气流经过纳米疏油防漏层3后进入纵向通孔11，再由气流通道导出。
实施例5，如图9，10所示，与实施例1、2、3、4相似，本实施例也是一种电子烟防漏油多孔陶瓷雾化芯，其中，多孔陶瓷基体1为凸形结构，并在多孔陶瓷基体1的轴向位置开设一个轴向通孔11。发热丝2呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，同时发热丝2的靠近多孔陶瓷基体1的轴向通孔11的内壁面，即内壁式加热。
具体而言，如图9，10所示，该凸形多孔陶瓷基体1采用顶面进行导油。此时，多孔陶瓷基体1的雾化出气面为多孔陶瓷基体1的轴向通孔11的内壁面，则纳米疏油防漏层3附着在多孔陶瓷基体1的外表面位置和轴向通孔11的内壁面位置。烟油由多孔陶瓷基体1的顶面经多孔结构渗透到多孔陶瓷基体1内部，并在轴向通孔11内壁面位置与发热丝2接触进行加热雾化，雾化气流经过纳米疏油防漏层3后进入轴向通孔11，再由气流通道导出。
本实用新型采用上述几种结构，在多孔陶瓷基体1的雾化出气面附着有纳米疏油防漏层3，由于纳米疏油防漏层3在设计上孔径大小介于气体分子直径和液体分子直径之间， 从而可保证气体可顺利通过而对液体起到一定的物理阻隔作用。同时该纳米疏油防漏层3在材料选择上具有较强的疏油功能，使液体烟油与疏油层接触时的润湿角大于90度，阻碍烟油在纳米疏油防漏层3上面的辅展和渗透，达到防漏效果。这样就从根本上起到了锁油效果，消除了因烟油过稀，粘度较小时，出现导油过快出现炸油现象，或在长期放置过程中，烟油从多孔陶瓷体内部渗漏至气体流道中，下次使用时直接吸入到口中，影响口感的问题。
以上只是本实用新型的几个简单实施例，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明所述原理的前提下，还可以做出其他的形状或造型，其均在本实用新型的保护范围之内。

Claims (7)

  1. 一种电子烟防漏油多孔陶瓷雾化芯，包括多孔陶瓷基体(1)和烧结在所述的多孔陶瓷基体(1)内部的发热丝(2)，所述的发热丝(2)两端伸出多孔陶瓷基体(1)表面形成电极(21)；其特征在于：还包括附着在所述的多孔陶瓷基体(1)表面的纳米疏油防漏层(3)。
  2. 根据权利要求1所述的电子烟防漏油多孔陶瓷雾化芯，其特征在于：所述的多孔陶瓷基体(1)为一实芯圆棒结构，所述发热丝(2)呈螺旋状并烧结、贯穿于所述的多孔陶瓷基体(1)内部，螺旋状的发热丝(2)的上下部位靠近所述的多孔陶瓷基体1的外表面。
  3. 根据权利要求1所述的电子烟防漏油多孔陶瓷雾化芯，其特征在于：所述的多孔陶瓷基体(1)的轴向位置开设一个轴向通孔(11)，发热丝(2)呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，螺旋状的发热丝(2)的上下部位靠近多孔陶瓷基体经(1)轴向通孔(11)的内孔壁进行布置。
  4. 根据权利要求1所述的电子烟防漏油多孔陶瓷雾化芯，其特征在于：所述的孔陶瓷基体(1)的轴向位置开设一个轴向通孔(11)；所述的发热丝(2)呈螺旋状并烧结、贯穿于多孔陶瓷基体(1)内部，螺旋状的发热丝(2)的上下部位靠近多孔陶瓷基体(1)的外表面。
  5. 根据权利要求1所述的电子烟防漏油多孔陶瓷雾化芯，其特征在于：所述的多孔陶瓷基体(1)为T形结构，在多孔陶瓷基体(1)的纵向位置开设一个轴向通孔(11)；所述的发热丝(2)呈螺旋状并烧结、贯穿于多孔陶瓷基体(1)内部，螺旋状的发热丝(2)的靠近多孔陶瓷基体(1)轴向通孔(11)的内壁面。
  6. 根据权利要求1所述的电子烟防漏油多孔陶瓷雾化芯，其特征在于：所述的多孔陶瓷基体(1)为凸形结构，在多孔陶瓷基体(1)的轴向位置开设一个轴向通孔(11)；所述的发热丝(2)呈螺旋状并烧结、贯穿于多孔陶瓷基体内部，螺旋状的发热丝2的靠近多孔陶瓷基体(1)的轴向通孔(11)的内壁面。
  7. 根据权利要求1至6中任一所述的电子烟防漏油多孔陶瓷雾化芯，其特征在于：所述的纳米疏油防漏层(3)上孔径大小介于气体分子直径和液体分子直径之间。
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