WO2022161014A1 - 具有开放式雾化腔的雾化芯 - Google Patents

具有开放式雾化腔的雾化芯 Download PDF

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Publication number
WO2022161014A1
WO2022161014A1 PCT/CN2021/139466 CN2021139466W WO2022161014A1 WO 2022161014 A1 WO2022161014 A1 WO 2022161014A1 CN 2021139466 W CN2021139466 W CN 2021139466W WO 2022161014 A1 WO2022161014 A1 WO 2022161014A1
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WO
WIPO (PCT)
Prior art keywords
liquid
casing
atomizing
open
liquid guide
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PCT/CN2021/139466
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English (en)
French (fr)
Inventor
林光榕
郑贤彬
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惠州市新泓威科技有限公司
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Publication of WO2022161014A1 publication Critical patent/WO2022161014A1/zh

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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
    • A24F40/42—Cartridges or containers for 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes

Definitions

  • the present invention relates to the technical field of electronic atomization equipment, and more particularly, the present invention relates to an atomizing core with an open atomizing cavity.
  • Electronic atomization equipment generally includes a battery assembly and an atomizer.
  • the battery assembly is installed with a battery that supplies power to the atomizer.
  • the atomizer includes an atomizing core installed on the atomizing seat. The atomizing core can be powered on.
  • the solution to be atomized that is, the liquid to be atomized, is heated and atomized into a vapor mist or aerosol.
  • Electronic atomization equipment specifically includes electronic cigarette equipment for smoking cessation, medical liquid atomization equipment, etc. Its basic task is to provide a heating process to convert the liquid smoke, liquid medicine and other solutions stored in the electronic atomization equipment into vapor, mist, Aerosols, vapors, etc.
  • one of the materials used as the liquid-conducting body is generally a long glass fiber rope or cotton rope, and the other is an atomizing core made of ceramics, and the heating materials used for heating are electric heating wires.
  • the heating wire is directly wound on the glass fiber rope or cotton rope or placed on the cylindrical ceramic inner wall. Due to the small contact area between the heating wire and the liquid conducting body, there are problems of small heating area, small atomization and uneven heating.
  • the existing atomizing cores all need to be arranged in the atomizing cavity formed on the atomizing seat, and the structure of the atomizing cavity is not provided on the atomizing core body, so the vapor formed after the atomization liquid is heated and evaporated
  • the mist or aerosol is directly carried upward by the airflow, and the small droplets that are not atomized or condensed are also easily entrained by the airflow directly upward and sucked out without hindrance, which cannot effectively prevent the fog.
  • the existing atomizer has a complicated structure, and when the atomizing core is installed in the atomizer, the process is complicated, and it is difficult to realize automatic production.
  • the purpose of the present invention is to provide an atomizing core with an open atomizing cavity in order to overcome the deficiencies of the above technologies.
  • an atomizing core with an open atomizing cavity which is arranged on an atomizing seat of an electronic atomization device, includes a casing, a liquid conducting sheet and a heating sheet, and the casing is provided with an upper end an opening, a lower end opening and a side wall through hole, the lower wall of the casing is provided with a gap, the upper part of the liquid conducting is sleeved on the inner wall of the casing, the side wall through hole is blocked by the liquid conducting outer wall,
  • the lower part of the liquid guide extends laterally from the notch of the lower wall of the casing, the liquid guide is provided with a vertical middle through hole that communicates with the upper end opening and the lower end opening of the casing, and the heat generating sheet is arranged on the outer casing.
  • the bottom of the liquid guide and the bottom of the heat generating sheet form an open atomization cavity, and the interior of the casing is located above the liquid guide with a cavity for forming a mist outlet channel
  • the electrode leads are arranged at both ends of the heating sheet, and the electrode leads extend downward from the lower end opening of the casing.
  • the liquid guiding portion is provided with a liquid suction convex portion located at the side wall through hole, and the liquid suction convex portion is blocked in the side wall through hole.
  • the casing is made of a heat-resistant metal material or a heat-resistant dense ceramic material
  • the liquid conducting liquid is made of a porous ceramic material.
  • the materials constituting the casing, the liquid conducting and the heat generating sheet are placed in a mold and then sintered into one body.
  • the casing is composed of an upper circular tube and a lower circular tube symmetrically provided with notches on both sides, and the cross section of the lower circular tube is larger than that of the upper circular tube.
  • the liquid guide is composed of an upper cylinder and a lower cuboid, and the cuboid protrudes from the notch on both sides of the lower circular tube of the casing.
  • the heat generating sheet is disposed on the bottom surface of the liquid-conducting liquid or embedded in a position close to the bottom surface inside the liquid-conducting liquid.
  • the heat-generating sheet is composed of a heat-generating sheet-shaped resistor etched into a resistor having a route surrounding the liquid-conducting intermediate through hole.
  • the heat-generating sheet is configured by a heat-generating resistive material such that a heat-generating paste is printed on the bottom of the conductive liquid.
  • the atomization core of the present invention is provided with an open atomizing cavity structure under the heating element, which has a larger heating area and a large amount of atomization.
  • the heating element is used as the heating element, and the contact area between the heating element and the conducting liquid is large.
  • the present invention is made into an integrated atomizing core, which has a simple structure, is convenient to be assembled into the atomizer, and helps to realize the automatic production of the atomizer.
  • the atomizing core is provided with an outer shell, which can protect the liquid conducting liquid inside, so that the conducting liquid made of porous ceramic material is not easily broken and damaged, and the service life of the product is improved.
  • Fig. 1 is the three-dimensional structure diagram of the atomizing core of the embodiment of the present invention.
  • Fig. 2 is the three-dimensional structure exploded view of the atomizing core of the embodiment of the present invention
  • Fig. 3 is the side view of the atomizing core of the embodiment of the present invention.
  • Fig. 4 is the sectional view of the atomizing core of the embodiment of the present invention.
  • Fig. 5 is the top view of the atomizing core of the embodiment of the present invention.
  • FIG. 6 is a bottom view of the atomizing core according to the embodiment of the present invention.
  • the atomizing core with an open atomizing cavity of the present invention is installed on the atomizing seat of the atomizer (not shown in the drawings).
  • the atomizing core is composed of an outer casing 1, a liquid conducting 2, a heating plate 3 and an electrode lead 4.
  • the outer casing 1 is provided with an upper end opening 11, a lower end opening 12 and a side wall through hole 10, and the lower wall of the outer casing 1 is provided with a gap 15.
  • the upper part 21 of the liquid guide 2 is sleeved on the inner wall of the casing 1, the side wall through hole 10 is blocked by the outer wall of the liquid guide 2, and the lower part of the liquid guide 2 protrudes laterally from the notch 15 of the lower wall of the casing.
  • the liquid guide 2 is provided with a liquid suction protrusion 20 at the side wall through hole 10, the liquid suction protrusion 20 is blocked in the side wall through hole 10, and the liquid suction protrusion 20 is blocked in the side wall through hole 10, so that the casing 1 and the liquid guide 2 are fitted and combined with each other more closely, so as not to loosen.
  • the provision of the liquid suction protrusion 20 also facilitates the integral manufacture of the housing 1 and the liquid guide 2 .
  • the side wall through hole 10 is connected to the liquid storage chamber (not shown in the figure) of the atomizer, so that the liquid suction convex part 20 can directly absorb and conduct the liquid to be atomized from the liquid storage chamber, and pass the liquid to be atomized through the liquid guide 2.
  • the liquid is conducted to the bottom of the conducting liquid 2, so that the liquid to be atomized is in contact with the heating element 3. After the heating element 3 is energized, the heating element 3 generates heat to heat and evaporate the liquid to be atomized into a mist or aerosol.
  • the liquid guide 2 is provided with a vertical middle through hole 23 that communicates with the upper end opening 11 and the lower end opening 12 of the casing 1.
  • the heating sheet 3 is arranged at the bottom of the liquid conducting sheet 2, and the two ends of the heating sheet 3 are provided with electrode leads 4.
  • the lower part of 3 constitutes an open atomizing cavity 24 , and the interior of the casing 1 is located on the upper surface of the liquid guide 2 with a cavity for forming the mist outlet channel 16 .
  • the vapor mist or aerosol formed by the heating of the atomized liquid is evaporated downward to the open atomization cavity 24 through the heating plate 3 and then led upwards through the middle through hole 23 of the liquid guide 2.
  • the small droplets of the liquid drop down or condense, so that it is not easy to be directly entrained by the airflow and sucked out, which effectively prevents the small droplets or water mist from being sucked into the user's mouth and improves the user's experience.
  • the liquid suction protrusions 20 are provided to facilitate the integral manufacture of the housing 1 and the liquid guide 2 .
  • the casing 1 is composed of an upper circular tube 13 and a lower circular tube 14 symmetrically provided with notches 15 on both sides.
  • the cross section of the lower circular tube 14 is larger than that of the upper circular tube 13 .
  • the liquid guide 2 is composed of an upper cylinder 21 and a lower cuboid 22, and the cuboid 22 protrudes from the notches 15 on both sides of the casing.
  • the housing 1 is made of heat-resistant metal material, and the liquid conducting liquid 2 is made of porous ceramic material.
  • the casing 1 is made of metal material, which can better protect the liquid guide 2 made of porous ceramic material, so that the liquid guide 2 is not easily broken during use.
  • the housing 1 can also be made of a heat-resistant dense ceramic material.
  • the materials of the shell 1, the liquid conducting 2, the heating plate 3 and the electrode lead 4 are placed in the mold and then sintered together, so that the atomizing core is formed as a whole.
  • the upper part only needs to be connected to the suction
  • the lower part only needs to be installed on the atomizing seat, which reduces the number of spare parts and makes the installation simple, which is conducive to the realization of automatic production.
  • the shell 1 of the atomizing core is directly placed in the liquid storage chamber of the atomizer, and is in direct contact with the liquid to be atomized in the liquid storage chamber.
  • the shell 1 of the atomizing core is made of metal material, and the shell made of metal material has good thermal conductivity, so that when the heating element 3 is working, its excess heat can be quickly conducted to the shell 1 through the liquid conducting liquid 2, and the shell 1. Heat can be transferred to the liquid to be atomized, so that the liquid to be atomized can be quickly heated during use to increase its fluidity, so the atomizing core of the present invention can use the liquid to be atomized with higher viscosity.
  • the heating sheet 3 is arranged on the bottom surface of the liquid conducting 2.
  • the heating sheet 3 is composed of a heatable chip resistor etched into a resistor with a route around the liquid conducting central through hole 23.
  • the material of the heating sheet 3 is silver alloy.
  • the heating sheet 3 can also be embedded in the interior of the liquid conducting liquid 2 near the bottom surface, the heating sheet 3 is made of a heatable resistive material and is configured with a heating paste and printed on the bottom of the liquid conducting liquid 2, and the heating sheet 3 is also It can be made of nickel-chromium, or tungsten wire, or iron-chromium-aluminum and other materials.
  • the liquid guide 2 is arranged in the inner middle section of the housing 1 , and the liquid guide 2 is provided with a liquid suction convex portion 20 located at the side wall through hole 10 , and the liquid suction convex portion 20 is blocked in the side wall through hole 10 .
  • the liquid guide 2 is provided with a vertical middle through hole 21 to communicate with the upper opening 11 and the lower opening 12 of the casing.
  • the liquid guide 2 is composed of an upper cylinder 22 and a lower cuboid 23.
  • the cross section of the lower cuboid 23 of the liquid guide 2 is larger than that of the upper cylinder 22, which is convenient for expanding the atomization area, so that the liquid guide 2 and the heating element 3 can be heated.
  • the volume of the atomizing cavity 16 increases, and the amount of vapor mist or aerosol generated per unit time increases, so that the user experience and taste are better.

Abstract

一种具有开放式雾化腔的雾化芯，设于电子雾化设备的雾化座内，包括外壳(1)、导液体(2)和发热片(3)，外壳(1)设有上端开口(11)、下端开口(12)和侧壁通孔(10)，外壳(1)的下壁部设有缺口(15)，导液体(2)的上部(21)套设于外壳(1)的内壁，侧壁通孔(10)被导液体(2)外壁遮挡，导液体(2)的下部横向伸出于外壳下壁部的缺口(15)，导液体(2)设有竖直的中间通孔(23)与外壳(1)的上端开口(11)和下端开口连通(12)，发热片(3)设于导液体(2)的底部，发热片(3)的下面构成开放式雾化腔(24)，外壳(1)的内部位于导液体(2)的上面设有空腔用于构成出雾通道(16)。其有益之处在于，加热均匀，雾化效果更好；结构简单，方便组装，有助于实现雾化器的自动化生产；设有外壳，导液体不易发生碎裂而损坏，提高了使用寿命。

Description

具有开放式雾化腔的雾化芯 技术领域
本发明涉及电子雾化设备的技术领域，更具体的说，本发明涉及一种具有开放式雾化腔的雾化芯。
 背景技术
电子雾化设备，一般包括电池组件和雾化器，电池组件内安装有给雾化器供应电源的电池，雾化器包括安装于雾化座上的雾化芯，雾化芯在通电时可将待雾化的溶液即待雾化液加热雾化成汽雾或气溶胶。
电子雾化设备具体包括戒烟用的电子烟具、医疗用的药液雾化设备等，其基本任务是提供加热过程，将电子雾化设备内储存的烟液、药液等溶液转化为汽雾、气溶胶、蒸气等。
现有的雾化芯，其中一种作为导液本体的材料一般为长条形的玻纤绳或棉绳，另外一种由陶瓷制成的雾化芯，其加热用的发热材料均为电热丝，电热丝直接缠绕于玻纤绳或棉绳上或置于圆筒形的陶瓷内壁，由于电热丝与导液本体接触面积小，故存在发热面积小，雾化量小，发热不均匀的问题。另外，现有的雾化芯，均需设置在雾化座上面形成的雾化腔内，在其雾化芯本体上没有设置雾化腔的结构，故待雾化液加热蒸发后形成的汽雾或气溶胶被气流直接向上带出，其中未被雾化或冷凝后的小液滴也容易被气流直接夹带向上而无阻碍地被吸出，不能有效地防水雾。另现有的雾化器，结构复杂，雾化芯安装到雾化器内时，工艺复杂，难于实现自动化生产。
 技术问题
本发明的目的在于为克服上述技术的不足而提供一种具有开放式雾化腔的雾化芯。
 技术解决方案
本发明的技术方案是这样实现的：一种具有开放式雾化腔的雾化芯，设于电子雾化设备的雾化座上，包括外壳、导液体和发热片，所述外壳设有上端开口、下端开口和侧壁通孔，所述外壳的下壁部设有缺口，所述导液体的上部套设于所述外壳的内壁，所述侧壁通孔被所述导液体外壁遮挡，所述导液体的下部横向伸出于所述外壳下壁部的缺口，所述导液体设有竖直的中间通孔与所述外壳的上端开口和下端开口连通，所述发热片设于所述导液体的底部，所述发热片的下面构成开放式雾化腔，所述外壳的内部位于导液体的上面设有空腔用于构成出雾通道。
优选地，还包括电极引线，所述电极引线设于所述发热片的两端，所述电极引线从所述外壳的下端开口向下伸出。
优选地，所述导液体位于所述侧壁通孔处设有吸液凸部，所述吸液凸部堵塞于所述侧壁通孔。
优选地，所述外壳由耐热金属材料或耐热的致密陶瓷材料制成，所述导液体由多孔陶瓷材料制成。
优选地，构成所述外壳、导液体和发热片的材料置于模具内成型后烧结成一体。
优选地，所述外壳由上部圆管和两侧对称设有缺口的下部圆管构成，所述下部圆管的横截面大于上部圆管的横截面。
优选地，所述导液体由上部的圆柱体和下部的长方体构成，所述长方体自所述外壳下部圆管的两侧缺口伸出。
优选地，所述发热片设于所述导液体的底部表面或埋设于所述导液体内部靠近底部表面的部位。
优选地，所述发热片由可发热的片状电阻刻蚀成具有围绕所述导液体中间通孔的路线的电阻构成。
优选地，所述发热片由可发热的电阻材料配置成发热浆料印刷于所述导液体的底部。
 有益效果
本发明的雾化芯的发热片下方设有开放式雾化腔的结构，具有更大的加热面积，产生的雾化量大，以及采用发热片作为发热元件，发热片与导液体接触面积大，使加热均匀，雾化效果更好，且加热产生的汽雾或气溶胶向下蒸发至雾化腔后再向上导出，有逆向流动的路径，其中未被雾化或冷凝后的小液滴可向下滴落或凝结，这样就不容易被气流直接夹带向上而被吸出，有效地防止了小液滴或水雾被吸入用户口中，改善了用户的防水雾的使用体验。另本发明制成一体的雾化芯，结构简单，方便组装到雾化器内，有助于实现雾化器的自动化生产。本雾化芯设有外壳，可保护内部的导液体，使多孔陶瓷材料制成的导液体不易发生碎裂而损坏，提高了产品的使用寿命。
 附图说明
图1是本发明实施例的雾化芯的立体结构图；
图2是本发明实施例的雾化芯的立体结构分解图；
图3是本发明实施例的雾化芯的侧视图；
图4是本发明实施例的雾化芯的剖视图；
图5是本发明实施例的雾化芯的俯视图；
图6是本发明实施例的雾化芯的仰视图。
 本发明的最佳实施方式
如图1-图6所示，本发明的具有开放式雾化腔的雾化芯，安装于雾化器的雾化座上（图中未示）。该雾化芯由外壳1、导液体2、发热片3和电极引线4构成，外壳1设有上端开口11、下端开口12和侧壁通孔10，外壳1的下壁部设有缺口15，导液体2的上部21套设于外壳1的内壁，侧壁通孔10被导液体2的外壁遮挡，导液体2的下部横向伸出于外壳下壁部的缺口15。导液体2位于侧壁通孔10处设有吸液凸部20，吸液凸部20堵塞于侧壁通孔10，吸液凸部20堵塞于侧壁通孔10，使得外壳1与导液体2相互嵌合、结合的更紧密，不至于发生松脱。设有吸液凸部20也便于外壳1和导液体2进行一体式制造。侧壁通孔10与雾化器的储液腔（图中未示）连接，这样吸液凸部20可直接从储液腔中吸收传导待雾化液，并通过导液体2将待雾化液传导至导液体2的底部，使待雾化液与发热片3接触，发热片3通电后发热将待雾化液进行加热蒸发成汽雾或气溶胶。导液体2设有竖直的中间通孔23与外壳1的上端开口11和下端开口12连通，发热片3设于导液体2的底部，发热片3的两端设有电极引线4，发热片3的下面构成开放式雾化腔24，外壳1的内部位于导液体2的上面设有空腔用于构成出雾通道16。这样，待雾化液加热形成的汽雾或气溶胶经发热片3向下蒸发至开放式雾化腔24后再通过导液体2的中间通孔23向上导出，其中未被雾化或冷凝后的小液滴则向下滴落或凝结，这样就不容易被气流直接夹带向上而被吸出，有效地防止了小液滴或水雾被吸入用户口中，改善了用户的使用体验。设有吸液凸部20便于外壳1和导液体2进行一体式制造。
外壳1由上部圆管13和两侧对称设有缺口15的下部圆管14构成。下部圆管14的横截面大于上部圆管13的横截面。
导液体2由上部的圆柱体21和下部的长方体22构成，长方体22自外壳的两侧缺口15伸出。
外壳1由耐热金属材料制成，导液体2由多孔陶瓷材料制成。外壳1由金属材料制成，可以更好地保护由多孔陶瓷材料制成的导液体2，使导液体2在使用中不易发生碎裂。其它实施例中，外壳1也可由耐热致密陶瓷材料制成。
外壳1、导液体2、发热片3和电极引线4的材料置于模具内成型后一体烧结制成，这样雾化芯成型为一体，在装配到雾化器上时，上部只需连接到吸嘴，而下部只需安装到雾化座上，使得零配件减少，安装简单，有利于实现自动化生产。另外，本发明的雾化芯，在装配到雾化器上后，雾化芯的外壳1直接置于雾化器的储液腔内，与储液腔内的待雾化液直接接触。而雾化芯的外壳1由金属材料制成，金属材料制成的外壳具有良好的热传导性，使得发热片3工作时，其多余的热量可很快通过导液体2传导至外壳1，而外壳1可将热量传导给待雾化液，这样可在使用中很快加热待雾化液，使其流动性增加，因此本发明的雾化芯可以使用粘稠度较大的待雾化液。
发热片3设于导液体2的底部表面，发热片3由可发热的片状电阻刻蚀成具有围绕导液体中间通孔23的路线的电阻构成，制成发热片3的材料为银合金。在其它实施例中，发热片3也可埋设于导液体2的内部靠近底部表面的部位，发热片3由可发热的电阻材料配置成发热浆料印刷于导液体2的底部，发热片3也可由镍铬、或钨丝、或铁铬铝等材料制成。
导液体2设于外壳1的内部中段，导液体2位于侧壁通孔10处设有吸液凸部20，吸液凸部20堵塞于侧壁通孔10。导液体2设有竖直的中间通孔21与外壳的上部开口11和下部开口12连通。导液体2由上部的圆柱体22和下部的长方体23构成，导液体2的下部长方体23截面大于上部圆柱体22的截面，便于扩大雾化面积，这样可以使导液体2、发热片3的发热面积增大，雾化腔16的容积增加，在单位时间内产生的汽雾或气溶胶的量增加，使用户的使用体验及口感更佳。
 工业实用性
以上所述仅为本发明的较佳实施例，凡依本发明权利要求范围所做的均等变化与修饰，皆应属本发明权利要求的涵盖范围。

Claims (10)

  1. 一种具有开放式雾化腔的雾化芯，设于电子雾化设备的雾化座上，其特征在于，包括外壳、导液体和发热片，所述外壳设有上端开口、下端开口和侧壁通孔，所述外壳的下壁部设有缺口，所述导液体的上部套设于所述外壳的内壁，所述侧壁通孔被所述导液体外壁遮挡，所述导液体的下部横向伸出于所述外壳下壁部的缺口，所述导液体设有竖直的中间通孔与所述外壳的上端开口和下端开口连通，所述发热片设于所述导液体的底部，所述发热片的下面构成开放式雾化腔，所述外壳的内部位于导液体的上面设有空腔用于构成出雾通道。
  2. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，还包括电极引线，所述电极引线设于所述发热片的两端，所述电极引线从所述外壳的下端开口向下伸出。
  3. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，所述导液体位于所述侧壁通孔处设有吸液凸部，所述吸液凸部堵塞于所述侧壁通孔。
  4. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，所述外壳由耐热金属材料或耐热的致密陶瓷材料制成，所述导液体由多孔陶瓷材料制成。
  5. 根据权利要求4所述的具有开放式雾化腔的雾化芯，其特征在于，构成所述外壳、导液体和发热片的材料置于模具内成型后烧结成一体。
  6. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，所述外壳由上部圆管和两侧对称设有缺口的下部圆管构成，所述下部圆管的横截面大于上部圆管的横截面。
  7. 根据权利要求6所述的具有开放式雾化腔的雾化芯，其特征在于，所述导液体由上部的圆柱体和下部的长方体构成，所述长方体自所述外壳下部圆管的两侧缺口伸出。
  8. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，所述发热片设于所述导液体的底部表面或埋设于所述导液体内部靠近底部表面的部位。
  9. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，所述发热片由可发热的片状电阻刻蚀成具有围绕所述导液体中间通孔的路线的电阻构成。
  10. 根据权利要求1所述的具有开放式雾化腔的雾化芯，其特征在于，所述发热片由可发热的电阻材料配置成发热浆料印刷于所述导液体的底部。
PCT/CN2021/139466 2021-01-29 2021-12-20 具有开放式雾化腔的雾化芯 WO2022161014A1 (zh)

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