WO2019114109A1 - 一种具有面发热体的电子烟 - Google Patents

一种具有面发热体的电子烟 Download PDF

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Publication number
WO2019114109A1
WO2019114109A1 PCT/CN2018/074400 CN2018074400W WO2019114109A1 WO 2019114109 A1 WO2019114109 A1 WO 2019114109A1 CN 2018074400 W CN2018074400 W CN 2018074400W WO 2019114109 A1 WO2019114109 A1 WO 2019114109A1
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WIPO (PCT)
Prior art keywords
oil
sheet
heating element
heating
electronic cigarette
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PCT/CN2018/074400
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English (en)
French (fr)
Inventor
丁毅
程宏生
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深圳市卓力能电子有限公司
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Publication of WO2019114109A1 publication Critical patent/WO2019114109A1/zh

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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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to the field of heat generating devices in electronic cigarette atomizers, and more particularly to an electronic cigarette having a surface heating element that is heated by a heat generating device.
  • the atomizer is generally used to introduce the oil in the oil storage device to the heating element, and the heating body heats the oil to atomize the oil, such an atomizer of the electronic cigarette.
  • the heating wire is heated around the outer circumference of the oil guiding rope as the oil guiding device, and the oil guiding wire guides the oil in the oil storage device to the heating wire, and the heating wire is heated and heated, and the atomizing oil guiding rope is introduced.
  • Smoke oil the outer circumference of the spring-shaped heating wire is wrapped with cotton or wrapped with a non-woven fabric as an oil guide body, and the cotton or the non-woven fabric is used as a smoke-proof oil in the oil cup of the oil storage device to be spring-like.
  • the spring-shaped heating wire is heated and heated to heat and atomize the introduced smoke oil.
  • This type of heating element is easy to burn oil-conducting rope, cotton or a fiber-conducting oil body such as a nonwoven fabric at a high temperature.
  • the technique of fixing the porous ceramic around the outer circumference of the heating rod and the spring-like heating wire in the outer periphery of the porous ceramic rod has recently appeared, and the porous ceramic is used to introduce the oil in the oil cup onto the heating wire, and the heating wire heats the mist.
  • Tobacco oil although such an electronic cigarette solves the problem of fiber burning at high temperatures, there are also new problems. That is, the middle part of the heating wire is too slow to supply oil; the atomization area is small; the airflow contact is uneven; the heating wire is easy to hang; the heating wire has a single shape; the adjustable value of the resistance value is too small.
  • the present invention provides an electronic cigarette having a surface heating element according to the above-mentioned deficiencies of the current electronic cigarette atomizer using a heating wire to electrically heat the tobacco oil.
  • the atomizer is in a sheet material.
  • a heating device is arranged on one side, and the oil in the oil storage device is immersed in the heating device on the other side, and the heating device is heated and heated, and the oil is heated and atomized.
  • the technical solution of the present invention is: an electronic cigarette having a surface heating element, comprising an atomizer, wherein the atomizer has an oil storage device and a heat generating device, and the heat generating device will smoke in the oil storage device Oil-heated heat atomization, the heat-generating device is a sheet-like heat-generating body, comprising a matrix of a sheet-like microporous material, the substrate is in contact with the oil in the oil storage device, and the other surface is formed into a heat generating surface. The smoke oil in the oil storage device is immersed from one side of the substrate to the heat generating surface to be atomized.
  • the invention adopts a surface heating body, which uses one surface of the sheet-shaped heating body to generate heat, and the other surface is in contact with the smoke oil.
  • the smoke oil penetrates from one surface of the contacted tobacco oil to the heat generating surface and then atomizes, and atomizes.
  • the smoke oil turns into smoke and is taken away by the air. Since the distance from the smoke oil to the heating surface is equal, the fuel supply speed is equal, the atomization speed is uniform, the amount of smoke is uniform, and the mouthfeel is consistent.
  • the sheet-like heating structure adopts surface heating, and the smoke oil is evenly distributed on the heating surface, and the heating area is larger and the amount of smoke is larger.
  • the heating surface of the sheet-like heating structure is a plane, the airflow direction is parallel to the heating surface, the flow velocity is stable, and the smoke taken away is also stable.
  • the substrate of the sheet structure adopts a porous ceramic material, and the raw material of the heating material is made of a resistor paste, and the heating material is fixed on the porous ceramic substrate by a specific process.
  • the heating element produced by the process, the heating material and the porous ceramic substrate are firmly combined, and no floating space is provided. Phenomenon, there is no problem of dry burning of the heating wire during normal work.
  • the substrate of the sheet-like microporous material is a porous ceramic sheet, and one surface of the porous ceramic sheet is sealed to contact with the oil in the oil storage device, and
  • the resistor paste is fixed by a process of printing, coating, immersing or spraying, and two electrodes respectively electrically connected to the cathode and the anode of the battery are welded on the resistor paste after high temperature sintering and solidification to form an electric heating surface.
  • the production process of the present invention involves the shape of a heat generating material which is a fluid which can be produced in a different shape on the porous ceramic substrate as required.
  • the resistance value of the heating element produced by this process can be arbitrarily adjusted, and the adjustment range is wide, which can meet the design requirements of different powers.
  • the specific shape of the cured resistor paste includes S-shaped, linear, polygonal, wavy, zigzag, spiral, circular, square.
  • a combination of one kind and several kinds, two electrodes are respectively disposed at both ends of each specific shape, and the electric resistance between the two electrodes is in the range of 0.1-20 ohms.
  • the resistance slurry is one or a mixture of a powder slurry palladium silver paste, a stainless steel slurry, and a tungsten slurry.
  • the porous ceramic sheet is at least one of a combination of silica, alumina, silicon carbide, and silicon nitride.
  • the oil storage device is an annular oil storage tank disposed in the tubular outer casing, and the middle of the oil storage tank is a flue gas pipe, and both ends of the flue gas pipe
  • the sheet-shaped heating element is in the form of an annular sheet, and is disposed between the outside of the flue gas pipe and the inner side of the casing, and the base body is pressed against the smoke oil outlet.
  • a ring-shaped air inlet hole is further disposed on the lower side of the sheet-shaped heating body, fresh Air enters the inside of the casing from the air inlet; the lower side of the sheet-shaped heating element carries the smoke into the smoke pipe.
  • FIG. 1 is a schematic structural view of an electronic cigarette according to Embodiment 1 of the present invention.
  • Figure 2 is a schematic view showing the structure of a heat generating device in Embodiment 1 of the present invention.
  • Embodiment 3 is a schematic view of a gas flow according to Embodiment 1 of the present invention.
  • Embodiment 1 is a heat generating device that uses an electronic cigarette that generates heat on a surface.
  • the electronic cigarette housing 8 houses an atomizer and a battery rod (not shown, it is atomized).
  • a cigarette holder 2 of the electronic cigarette below the bottom cover of the device, at the upper end of the outer casing 8 is a cigarette holder 2 of the electronic cigarette, the upper portion of the outer casing 8 is mainly an atomizer, and the atomizer comprises an oil storage tank 3 for storing the smoke oil, due to the electronic cigarette in the embodiment
  • the outer casing 8 itself is a tube in the shape of a cylinder.
  • the oil storage tank 3 is also designed in the shape of a tube, and the side wall is coincident with the electronic cigarette outer casing 8, and the flue gas pipe 4 is in the middle of the oil storage tank 3.
  • the smoke oil is stored in the annular space enclosed by the inner side of the electronic cigarette casing and the outside of the flue gas pipe, and is sealed by a top cover 2 at the upper portion of the oil storage tank 3 to prevent the smoke oil in the oil storage tank 3 from flowing out from the place, the flue gas
  • the upper end of the tube 4 communicates with the mouthpiece 1, the lower part passes through the bottom of the oil storage tank 3 and enters the atomizing core of the atomizer, and the lower part of the oil storage tank 3 is where the atomizing core is installed, and the atomizing core is disposed inside the outer casing.
  • the main component of the atomizing core is a heat generating device.
  • a heat generating device with a surface heating is used, and a sheet-shaped heating element 6 is formed in a circular shape as shown in FIG. 2, and a heating material 6 is fixed under the annular microporous material substrate 6-1.
  • the heating material 6-2 is evenly distributed under the toroidal base 6-1, and the two ends of the heating material 6-2 are respectively led out of the electrode 6-3, and are electrically connected to the cathode and the anode of the battery, respectively.
  • the positive electrode 11 of the electrode 6-3 which is led out at one end and protrudes downward from the middle to form an electronic cigarette is electrically connected to the positive electrode of the battery rod mounted at the lower end of the atomizer, and there is no control circuit board in the battery rod.
  • the electronic cigarette positive electrode 11 is still connected to the anode of the battery rod through the control of the circuit board, and the electrode 6-3 drawn from the other end is formed by the negative electrode of the electronic cigarette and the cathode of the battery rod through the bottom cover 10 with the atomizer lower bracket 7 through the bottom cover 10.
  • Electrical connection, of course, here an insulating spacer 9 is used between the electronic cigarette positive electrode 11 and the bottom cover 10 and the atomizer lower holder 7 to insulate them from each other.
  • the main feature is on the heat generating device of the atomizer, that is, the sheet-like heating body 6 shown in FIG. 2, which uniformly heats on one surface, and is aimed at the middle of the current electronic cigarette using the heating wire when heating The problem of slow oil supply, small atomization area and uneven airflow contact.
  • one surface of the sheet-like heating element 6 is a heat generating surface, and the other surface is in contact with the smoke oil. During operation, the smoke oil penetrates from one surface of the contacted tobacco oil to the heat generating surface and then atomizes, and the atomized smoke oil becomes The smoke is taken away by the air.
  • the sheet-like heating structure adopts surface heating, and the smoke oil is evenly distributed on the heating surface, and the heating area is larger and the amount of smoke is larger.
  • the heating surface of the sheet-like heating structure is a plane, the airflow direction is parallel to the heating surface, the flow velocity is stable, and the smoke taken away is also stable.
  • the sheet-like heating element 6 may be designed to be at least one of a circular sheet shape, a square sheet shape, or other irregular sheet-like structures according to practice.
  • the sheet-like heat generating body 1 is at least one of a complete continuous sheet shape, a sheet shape having a missing shape in the middle, a sheet shape having a missing edge, or other continuous sheet-like structure.
  • the structure of the sheet-shaped heating element is such that one of the faces is heated on the entire surface or a part of the face is heated.
  • the operation of the sheet-shaped heating element structure is such that at least one of the airflow flows from the periphery of the heat generating surface to the middle of the heat generating surface, the airflow flows from the middle of the heat generating surface to the periphery of the heat generating surface, or the airflow flows from one end of the heat generating surface to the other end of the heat generating surface. Airflow direction.
  • the sheet-like heating element of this embodiment can be solved by its different production processes.
  • the base body 6-1 of the sheet-shaped heating element is made of a porous ceramic material, and the heat-generating material raw material is made of a resistor paste, and the heat-generating material is fixed on the porous ceramic substrate by a specific process.
  • the heating element produced by the process, the heat-generating material and the porous ceramic substrate are combined. It is firm and has no floating phenomenon. It does not cause dry burning of the heating wire during normal work.
  • the production process in this embodiment involves the shape of a heat generating material, and the resistive paste is a fluid, and different shapes can be produced on the porous ceramic substrate as needed.
  • the resistance value of the heating element produced by this process can be arbitrarily adjusted, and the adjustment range is wide, which can meet the design requirements of different powers.
  • the production process of the sheet-shaped heating element includes: the heating body substrate is a porous ceramic body, and the porous ceramic body is at least one of silicon dioxide, aluminum oxide, silicon carbide, silicon nitride or other ceramic materials.
  • the heating material is a resistive paste.
  • the resistive paste is fixed in at least one of printing, coating, dipping or spraying.
  • the manner in which the resistive paste is fixed further includes sintering the fixed resistive paste at 600-900 °C.
  • the fixing shape of the heat generating material is at least one of an S shape, a linear shape, a polygonal line shape, a wave shape, a zigzag shape, a spiral shape, a circular shape, a square shape, or the like.
  • the resistance value of the heating element is continuously adjustable in the range of 0.1-20 ohms.
  • the structure and process of the present invention can improve the performance of the electronic cigarette.
  • the heating position and the position of the smoke oil are equal, the atomization is uniform; the atomization area is large, the amount of smoke is large; the airflow is evenly contacted, and the mouthfeel is stable; the heating body and the ceramic matrix are tightly fixed, and no heating wire is dry; the heating wire shape It is versatile and has good adaptability to porous ceramic substrates of different shapes.
  • the resistance value can be adjusted in a wide range to meet different power requirements and other design requirements.
  • the cigarette When the electronic cigarette of the embodiment is used, the cigarette is sucked at the mouthpiece 1 at this time, a negative pressure is formed in the smoke pipe 4, and a negative pressure is also formed between the upper bracket 5 and the lower bracket 7 in the atomizing core.
  • Fresh air will enter the atomizing core from the air inlet 13 in the outer casing 8, as shown in Fig. 3.
  • the electrodes 6-3 at both ends of the heating material 6-2 under the sheet heating element 6 are respectively controlled.
  • the battery rod Under the control of the circuit, the battery rod is electrically connected, the heating material 6-2 is energized and heated at both ends, and the oil oil 12 is immersed into the base body 6-1 of the sheet heating element 6 by the oil outlet 5-1 in the middle of the upper bracket 5.
  • the micropores in the base 6-1 are atomized into the heat generating material 6-2 to form smoke, which is carried by fresh air into the flue gas duct 4 to be sucked into the mouthpiece 1.

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Abstract

本发明是一种具有面发热体的电子烟，包括雾化器，在所述的雾化器中具有储油装置和发热装置，所述的发热装置将储油装置中的烟油加电发热雾化，所述的发热装置为一种片状发热体，包括片状的微孔材料的基体，所述的基体一面与储油装置中的烟油接触，另一面形成发热面，储油装置中的烟油从基体的一面浸入到发热面上雾化。本发明中采用面发热体，利用片状发热体的一个面发热，另一个面和烟油接触，工作时，烟油从接触烟油的一个面渗透到发热面然后雾化，雾化的烟油变成烟雾被气流带走。由于烟油到发热面的距离处处相等，所以供油速度相等，雾化速度一致，烟雾量一致，口感一致。

Description

一种具有面发热体的电子烟 技术领域
本发明涉及电子烟雾化器中发热装置领域，特别涉及一种发热装置为面发热的具有面发热体的电子烟。
背景技术
现有的电子烟中，雾化器中一般采用导油体将储油装置中的烟油导入到发热体上，发热体对烟油加热将烟油雾化，这样的电子烟的雾化器中，一般在作为导油装置的导油绳的外周绕发热丝做发热体，导油绳将储油装置内的烟油导入发热丝上，发热丝加电发热，雾化导油绳导入的烟油。另外，还有就是将弹簧形状发热丝的外周裹上棉或者裹上无纺布做导油体，棉或者裹上无纺布将作为储油装置的油杯内的烟油传导到弹簧状的发热丝上，弹簧状的发热丝加电发热对导入的烟油加热雾化。这种类型的发热体在高温下容易烧糊导油绳、棉或者裹上无纺布等纤维导油体。为了解决这一问题，近期又出现多孔陶瓷棒的外周绕发热丝、弹簧状发热丝的外周固定多孔陶瓷的技术，利用多孔陶瓷将油杯内的烟油导入到发热丝上，发热丝加热雾化烟油，这样的电子烟虽然解决了高温下纤维烧糊的问题，但也有新的问题出现。就是发热丝中间部位供油过慢；雾化面积小；气流接触不均；发热丝易悬空；发热丝形状单一；电阻值可调范围过小。
发明内容
本发明根据目前电子烟雾化器中采用加热丝加电加热烟油的上述不足，提供一种具有面发热体的电子烟，这种电子烟中，雾化器内，在一种片状材料的一面上设置发热装置，另一面将储油装置中的烟油浸入到发热装置上，发热装置加电发热，烟油加热雾化。
本发明的技术方案是：一种具有面发热体的电子烟，包括雾化器，在所述的雾化器中具有储油装置和发热装置，所述的发热装置将储油装置中的烟油加电发热雾化，所述的发热装置为一种片状发热体，包括片状的微孔材料的基体，所述的基体一面与储油装置中的烟油接触，另一面形成发热面，储油装置中的烟油从基体的一面浸入到发热面上雾化。
本发明中采用片状发热体加电发热具有如下优势：
本发明采用的是面发热体，利用片状发热体的一个面发热，另一个面和烟油接触，工作时，烟油从接触烟油的一个面渗透到发热面然后雾化，雾化的烟油变成烟雾被气流带走。由于烟油到发热面的距离处处相等，所以供油速度相等，雾化速度一致，烟雾量一致，口感一致。
片状发热结构采用面上发热，烟油均匀分布在发热面上，发热面积更大，烟雾量更 大。
片状发热结构的发热面是一个平面，气流方向平行于发热面，气流流速稳定，带走的烟雾也稳定。
片状结构的基体采用多孔陶瓷材料，发热材料原料采用电阻浆料，通过特定的工艺将发热材料固定在多孔陶瓷基体上，此工艺生产的发热体，发热材料和多孔陶瓷基体结合牢固，无悬空现象，在正常工作时不会出现发热丝干烧的问题。
进一步的，上的具有面发热体的电子烟中：所述的片状的微孔材料的基体为一片多孔陶瓷片，所述的多孔陶瓷片的一面密封接触储油装置中的烟油，另一面采用印刷、涂覆、浸泡或喷涂的工艺固定电阻浆料，在高温烧结固化后的电阻浆科上焊接两个分别与电池的阴极和阳极电连接的电极，形成电热面。
本发明的生产工艺涉及发热材料的形状，电阻浆料为流体，可按照需求在多孔陶瓷基体上生产出不同的形状。
此工艺生产的发热体的电阻值可任意调节，调节范围很广，可满足不同功率的设计需求。
进一步的，上的具有面发热体的电子烟中：所述的固化后的电阻浆科具体形状包括的S形、直线形、折线形、波浪形、锯齿形、螺旋形、圆形、方形中的一种和者几种的组合，两个电极分别设置在各具体形状的两端，两电极之间的电阻在0.1-20欧姆的范围。
进一步的，上的具有面发热体的电子烟中：所述的电阻浆料为粉体浆料钯银浆料、不锈钢浆料、钨浆料中的一种或者数种混合。
进一步的，上的具有面发热体的电子烟中：所述的多孔陶瓷片为二氧化硅、氧化铝、碳化硅、氮化硅中的至少一种或者几种的组合。
进一步的，上的具有面发热体的电子烟中：所述的储油装置为设置在管状外壳内的环形的储油仓，所述的储油仓中间是烟气管，烟气管两端分别是烟嘴和包括片状发热体在内的雾化芯，储油仓上端由顶盖密封，下端由雾化芯的上支架密封，在上支架中设置有烟油流出的烟油出口；所述的片状发热体呈环形片状，设置在烟气管外侧与外壳内侧之间，基体紧抵烟油出口，在外壳壁上，片状发热体下侧还设置有一圈进气孔，新鲜空气从进气孔进入外壳内在；片状发热体下侧带走烟雾进入到烟气管内。
下面结合附图和具体实施例对本发明进行详细地说明。
附图说明
图1为本发明实施例1的电子烟结构示意图。
图2是本发明实施例1中的发热装置结构示意图。
图3为本发明实施例1气流示意图。
具体实施方式
实施例1，本实施例是一种发热装置中，利用一个面发热的电子烟，如图1所示，电子烟外壳8内容纳有雾化器和电池杆(没有画出，它在雾化器的底盖下面)，在外壳8上端是电子烟的烟嘴2，外壳8内上部分主要是雾化器，雾化器包括存储烟油的储油仓3，由于本实施例中的电子烟外壳8本身是一种圆柱体形状的管子，因此，本实施例中，储油仓3也设计成管子状，且侧壁与电子烟外壳8重合，在储油仓3中间是烟气管4，烟油存储在电子烟外壳内侧与烟气管外侧围起来的环形空间内，在储油仓3上部利用一个顶盖2密封，防止储油仓3内的烟油由这个地方流出，烟气管4上端与烟嘴1相通，下部穿过储油仓3底进入到雾化器的雾化芯中，在储油仓3下部就是安装雾化芯的地方，雾化芯设置在外壳内的上支架5和下支架7围成的空间中，雾化芯的主要部件就是发热装置，本实施例中，采用一种面发热的发热装置一种片状发热体6，具体形状如图2所示，呈圆环形，在圆环形的微孔材料基体6-1的下面固定发热材料6-2，发热材料6-2均匀分布在圆环形的基体6-1的下面，发热材料6-2的两端分别引出电极6-3，分别与电池的阴极和阳极电连接，本实施例中，一端引出的电极6-3从中间向下伸出形成电子烟的正极11与安装在雾化器下端的电池杆的正极电连接，这里不会有控制电路板在电池杆中，因此，电子烟正极11还是要通过电路板的控制才与电池杆的阳极相连，另外一端引出的电极6-3则通过与雾化器下支架7经过底盖10形成电子烟的负极与电池杆的阴极电连接，当然，这里在电子烟正极11与底盖10和雾化器下支架7之间采用了绝缘的隔离物9使它们相互绝缘。
本实施例中，主要特点在雾化器的发热装置上面，也就是如图2所示的片状发热体6，在一个面上均匀发热，它是针对目前电子烟中采用发热丝发热时中间部位供油过慢、雾化面积小和气流接触不均等问题。本实施例中片状发热体6的一个面为发热面，另一个面和烟油接触，工作时，烟油从接触烟油的一个面渗透到发热面然后雾化，雾化的烟油变成烟雾被气流带走。由于烟油到发热面的距离处处相等，所以供油速度相等，雾化速度一致，烟雾量一致，口感一致。片状发热结构采用面上发热，烟油均匀分布在发热面上，发热面积更大，烟雾量更大。片状发热结构的发热面是一个平面，气流方向平行于发热面，气流流速稳定，带走的烟雾也稳定。
另外，在实践中，片状发热体6还可以根据实践情况设计为圆形片状、方形片状或其他异形片状结构的至少一种。片状发热体1为完整连续片状、中间有缺失的片状、边缘有 缺失的片状或其他部分连续的片状结构的至少一种。片状发热体的结构为其中一个面整面发热或一个面部分发热。片状发热体结构的工作方式为气流从发热面的四周流向发热面的中间、气流从发热面的中间流向发热面的四周或气流从发热面的一端流向发热面的另一端中的至少一种气流流向。
针对目前电子烟发热丝易悬空、发热丝形状单一和电阻值可调范围过小等问题。本实施例的片状发热体通过其不同的生产工艺可以解决。片状发热体的基体6-1采用多孔陶瓷材料，发热材料原料采用电阻浆料，通过特定的工艺将发热材料固定在多孔陶瓷基体上，此工艺生产的发热体，发热材料和多孔陶瓷基体结合牢固，无悬空现象，在正常工作时不会出现发热丝干烧的问题。本实施例中的生产工艺涉及发热材料的形状，电阻浆料为流体，可按照需求在多孔陶瓷基体上生产出不同的形状。此工艺生产的发热体的电阻值可任意调节，调节范围很广，可满足不同功率的设计需求。
本实施例中，片状发热体的生产工艺包括：发热体基体采用多孔陶瓷体，此多孔陶瓷体为二氧化硅、氧化铝、碳化硅、氮化硅或其他陶瓷材料的至少一种。发热材料为电阻浆料。电阻浆料固定方式为印刷、涂覆、浸泡或喷涂等方式的至少一种。电阻浆料的固定方式还包括在600-900℃烧结固定好的电阻浆料。发热材料的固定形状为S形、直线形、折线形、波浪形、锯齿形、螺旋形、圆形、方形或其他形状的至少一种。发热体的电阻值为0.1-20欧姆的范围连续可调。
与目前的电子烟相比，本发明涉及的结构和工艺可使电子烟的使用性能得到良好改善。如，发热位置和烟油位置距离处处相等，雾化均匀；雾化面积大，烟雾量大；气流接触均匀，口感稳定；发热体和陶瓷基体紧密固定，无发热丝干烧现象；发热丝形状多变，和不同形状的多孔陶瓷基体适应性良好；电阻值可调范围大，可满足不同的功率要求和其他设计需求。
本实施例的电子烟使用时，在烟嘴1处抽吸，此时，烟气管4内形成负压，同时，雾化芯中也就是上支架5和下支架7之间也形成了负压，新鲜空气将从外壳8上的进气孔13进入到雾化芯内，如图3所示，此时，片状发热体6下面的发热材料6-2两端的电极6-3分别在控制电路的控制下与电池杆电连接，发热材料6-2两端加电发热，烟油12由在上支架5中间的出油口5-1浸入到片状发热体6的基体6-1内，通过基体6-1内的微孔当入到发热材料6-2上雾化，形成烟雾，由新鲜空气带入到烟气管4内进入到烟嘴1处抽吸。

Claims (6)

  1. 一种具有面发热体的电子烟，包括雾化器，在所述的雾化器中具有储油装置和发热装置，所述的发热装置将储油装置中的烟油加电发热雾化，其特征在于：所述的发热装置为一种片状发热体，包括片状的微孔材料的基体，所述的基体一面与储油装置中的烟油接触，另一面形成发热面，储油装置中的烟油从基体的一面浸入到发热面上雾化。
  2. 根据权利要求1所述的具有面发热体的电子烟，其特征在于：所述的片状的微孔材料的基体为一片多孔陶瓷片，所述的多孔陶瓷片的一面密封接触储油装置中的烟油，另一面采用印刷、涂覆、浸泡或喷涂的工艺固定电阻浆料，在高温烧结固化后的电阻浆科上焊接两个分别与电池的阴极和阳极电连接的电极，形成电热面。
  3. 根据权利要求2所述的具有面发热体的电子烟，其特征在于：所述的固化后的电阻浆科具体形状包括的S形、直线形、折线形、波浪形、锯齿形、螺旋形、圆形、方形中的一种和者几种的组合，两个电极分别设置在各具体形状的两端，两电极之间的电阻在0.1-20欧姆的范围。
  4. 根据权利要求2所述的具有面发热体的电子烟，其特征在于：所述的电阻浆料为粉体浆料钯银浆料、不锈钢浆料、钨浆料中的一种或者数种混合。
  5. 根据权利要求2所述的具有面发热体的电子烟，其特征在于：所述的多孔陶瓷片为二氧化硅、氧化铝、碳化硅、氮化硅中的至少一种或者几种的组合。
  6. 根据权利要求1所述的具有面发热体的电子烟，其特征在于：所述的储油装置为设置在管状外壳(8)内的环形的储油仓(3)，所述的储油仓(3)中间是烟气管(4)，烟气管(4)两端分别是烟嘴(1)和包括片状发热体(6)在内的雾化芯，储油仓(3)上端由顶盖(2)密封，下端由雾化芯的上支架(5)密封，在上支架(5)中设置有烟油流出的烟油出口(5-1)；所述的片状发热体(6)呈环形片状，设置在烟气管(4)外侧与外壳(8)内侧之间，基体(6-1)紧抵烟油出口(5-1)，在外壳(8)壁上，片状发热体(6)下侧还设置有一圈进气孔(13)，新鲜空气从进气孔(13)进入外壳(8)内在；片状发热体(6)下侧带走烟雾进入到烟气管(4)内。
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