WO2019084913A1 - 一种辐射加热型电子烟烟弹和辐射加热型分体式电子烟 - Google Patents

一种辐射加热型电子烟烟弹和辐射加热型分体式电子烟 Download PDF

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WO2019084913A1
WO2019084913A1 PCT/CN2017/109348 CN2017109348W WO2019084913A1 WO 2019084913 A1 WO2019084913 A1 WO 2019084913A1 CN 2017109348 W CN2017109348 W CN 2017109348W WO 2019084913 A1 WO2019084913 A1 WO 2019084913A1
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electronic cigarette
hollow
cigarette cartridge
radiant
cartridge according
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PCT/CN2017/109348
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English (en)
French (fr)
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刘翔
李辉
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深圳市博迪科技开发有限公司
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Publication of WO2019084913A1 publication Critical patent/WO2019084913A1/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
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • 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 belongs to the field of electronic cigarettes, and more specifically designs a novel radiant heating type electronic cigarette and radiant heating type electronic cigarette.
  • Tobacco burning smoke contains many carcinogens, such as tar. Long-term inhalation of these substances can cause great harm to the human body.
  • a cigarette substitute namely electronic cigarette
  • the structure of the electronic cigarette generally comprises a tobacco rod, a cartridge and a nebulizer, and the cartridge basically contains a device for storing the soot oil, and the working principle is that the liquid smoke is heated by the electric heating element at a temperature lower than the burning temperature of the tobacco. It is volatilized and condensed into a smoke for inhalation by the user.
  • the liquid smoke oil usually contains an aerosol pre-forming agent such as glycerin, ethylene glycol, propylene glycol, etc., and also contains nicotine or other flavors and the like.
  • an aerosol pre-forming agent such as glycerin, ethylene glycol, propylene glycol, etc.
  • nicotine or other flavors and the like When the electronic cigarette is working, the smoke oil will enter the atomizer through the channel connected to the atomizer to atomize.
  • the prior art electronic cigarette has the following disadvantages: 1.
  • the cartridge generally contains more than 10 components such as liquid smoke oil, heating element, oil guiding rope, oil storage cotton, mouth cover, electrode and outer casing, in order to prevent liquid smoke leakage.
  • the components and components of the components of the cartridge are highly required to be fitted and sealed, which results in a complicated assembly process and high cost of the cartridge.
  • the temperature of the heating element is high and the heating atomization position is close to the nozzle end, the temperature of the flue gas is too high and the temperature of the shell end of the near mouth end is high.
  • the liquid smoke oil is in direct contact with the heating element. After work, it will inevitably cause the residual oil on the heating element to foul and contaminate the heating element, and the pyrolysis of the residue may be caused by the heating element being overheated. Unpleasant taste.
  • the present invention is directed to solving the above problems.
  • a first aspect of the invention provides a radiant heating type electronic cigarette cartridge comprising the following components:
  • the radiant heating type electronic cigarette cartridge further comprises a spacer mesh (4) placed inside the inner wall of the cavity in the hollow type smoking body (3) and which may or may not be in contact with the inner wall.
  • the housing 1 also has a cooling element 2 disposed downstream of the hollow smoking body 3 and having at least one air flow passage therein.
  • the most downstream end of the housing 1 is provided with a mouthpiece member 7 which is in airflow communication with the hollow smoking body 3 via an air flow passage on the cooling element 2.
  • the shape of the spacer web 4 matches the shape of the hollow cavity of the hollow type smoking body.
  • the “matching” means that the shapes of the two are substantially identical.
  • the insulation net 4 is made of a high temperature resistant material resistant to 300-400 °C.
  • the insulation net 4 may be a metal mesh, a metal foam or a high temperature resistant plastic mesh or the like, such as a foamed metal such as foamed nickel or titanium foam or a polytetrafluoroethylene mesh.
  • the hollow smoking body 3 is in the form of a monolith.
  • the hollow type smoking body 3 may be in the form of a monolith, or may be a pile, fiber or powdery fuming material deposited on the insulation net 4 and the casing. 1 is formed in a space defined between the inner walls.
  • the smoking body is generally present in a non-flowable form, preferably in solid form.
  • the smoking body 3 itself is a nicotine source, an aerosol source and/or a fragrance source, or a nicotine source, an aerosol source and/or a fragrance source adsorbed or loaded with the liquid or solid on the smoke body 3.
  • the source of nicotine may be selected from any material capable of releasing nicotine by heat, such as various forms of tobacco, free nicotine or combined nicotine (eg, proton-bound nicotine or nicotine salt);
  • the aerosol source may, for example, be selected from ethylene glycol, Propylene glycol, glycerin or the like; wherein the flavor source may be selected from various flavors and the like.
  • the nicotine source, aerosol source and/or flavor source may be present separately or may be adsorbed, supported or impregnated onto a solid support.
  • the cooling element 2 has a plurality of parallel tube bundle type air flow passages or a plurality of meandering air flow passages. More preferably, the cooling element 2 has a meandering shape with a central air flow passage and a peripheral air flow passage.
  • the cooling element 2 is made of a large specific heat material or a high thermal conductivity material to effectively cool the smoke flowing therethrough.
  • the housing 1 is a one-piece housing or a detachable housing.
  • a detachment site can be provided between the cooling element 2 and the hollow smoking body 3.
  • the advantage of being a detachable housing is that it is easy to replace the hollow smoking body.
  • a second aspect of the present invention provides a radiant heating type split type electronic cigarette comprising a heating element which is designed in a split type but can be assembled together, and a radiant heating type electronic cigarette according to the first aspect of the present invention, when When the two are assembled to work together, the heating element is inserted into the hollow cavity of the hollow type smoking body, but is not in direct contact with the inner wall of the hollow type smoking body.
  • the heating element is inserted into the space surrounded by the barrier web 4.
  • the heating element is an electric heating element. When the heating element is in operation, it heats the smoking body by radiant heating to cause it to evaporate.
  • the shape of the insulation web 4 is matched to the shape of the heating element.
  • the “matching” means that the shapes of the two are substantially identical.
  • the heating element, the hollow smoke body and the isolation net are not in contact at the same time to avoid heat conduction heat conduction, and ensure heat transfer from the heating element to the hollow smoke body. Radiation heat transfer.
  • the isolation network 4 is a guide In the case of a poorly heat-sensitive material or insulating material, both the heating element and/or the hollow smoking body can be in contact with the insulating web placed between them, even if it is ensured from the heating element to the hollow smoking body The majority of the heat transfer is radiation heat transfer.
  • Non-contact radiant heating avoids various problems caused by the contact between the smoke oil and the heating element in the traditional electronic cigarette and remains on the heating element.
  • the hollow smoke body is housed inside the casing 1 in a non-flowable manner, and when the insulation net 4 is present, it is accommodated in the cavity between the insulation net 4 and the inner wall of the casing 1, avoiding the conventional electronic
  • the leakage problem caused by the fluidity of the liquid smoke oil in the smoke and greatly simplifies the structure design of the cartridge, and reduces the cost, and is easy to carry, because it does not need to consider the sealing requirement.
  • the cartridge of the present invention can be used once or repeatedly by replacing the smoking body.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a schematic enlarged plan view of the A-A cross-sectional view of Figure 1;
  • Figure 3 is a schematic enlarged plan view of the cross-sectional view taken along line B-B of Figure 1;
  • Figure 4 is a schematic view of the structure of the blocking piece
  • Figure 5 is a schematic view showing the structure of the mouthpiece.
  • each reference numeral has the following meanings:
  • the radiant heating type electronic cigarette comprises a cylindrical integral housing 1 having a flap 5 at one end and a cylindrical portion inside the housing near the end. a metal mesh as the isolation net 4; the smoke body 3 is a porous foam or fiber bundle adsorbed with glycerin and nicotine, and the smoke body 3 is placed in a cavity between the separation net 4 and the casing, and can be filled Full or not filled.
  • a tube-shaped cooling element 2 is placed downstream of the screen, wherein the upstream and downstream directions are determined in the direction of smoke flow.
  • the other end of the housing 1 is provided with a mouthpiece member 7 having a central air hole communicating with the air flow passage.
  • the radiant heating type electronic cigarette and the independent heating element heater are combined in a detachable manner to form a split type radiant heating type electronic cigarette, and the electronic cigarette and various existing brands of finished electronic products
  • the performance of the smoke is compared, the temperature of each heating element is set to be the same, and the temperature of the flue gas and the temperature of the shell end of the near-end end are measured after each of the five consecutive suctions, and the results are as follows:
  • the electronic cigarette of the present invention greatly reduces the temperature of the flue gas and the temperature of the shell of the near-end end of the cartridge, and can bring a better suction experience to the consumer.
  • the existing brand electronic cigarette has been repeatedly sucked a plurality of times, and it has been found that the heating element has more or less smoke residue residue on the heating element, but this phenomenon has never occurred in the electronic cigarette of the present invention.

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  • Manufacture Of Tobacco Products (AREA)

Abstract

一种辐射加热型电子烟烟弹以及辐射加热型分体式电子烟，电子烟烟弹包括以下部件：壳体（1）；置于壳体（1）内的中空型发烟体（3），还包括隔离网（4），置于中空型发烟体（3）的中空腔的内壁以内，且可以与内壁接触或不接触。分体式电子烟包括成分体式设计但可组装在一起的加热元件和辐射加热型电子烟烟弹，当二者组装到一起进行工作时，加热元件被***到中空型发烟体（3）的中空腔内，但不与中空型发烟体（3）的内壁直接接触。通过非接触式辐射式加热，避免了传统电子烟中液体烟油泄露和残留结垢后再受热而产生异味的缺点，结构简单，成本低廉。

Description

一种辐射加热型电子烟烟弹和辐射加热型分体式电子烟 技术领域
本发明属于电子烟领域，更具体设计一种新型的辐射加热型电子烟烟弹和辐射加热型电子烟。
背景技术
烟草燃烧的烟雾中含有很多致癌物质，如焦油，长期吸入这些物质会对人体产生非常大的危害，随着科技进步和人们对健康生活的追求，出现了一种香烟替代品即电子烟。电子烟的结构通常包括烟杆、烟弹和雾化器，烟弹基本上都含有存储烟油的装置，其工作原理是在低于烟草燃烧温度的温度下，用电热元件加热液体烟油并使之挥发并冷凝成烟雾供使用者吸入，其中液体烟油中通常含有气溶胶前形成剂例如甘油、乙二醇、丙二醇等，也会含有尼古丁或其他香精香料等。电子烟工作时烟油会通过与雾化器连接的通道进入雾化器进行雾化。
现有技术的电子烟具有以下缺点：1、烟弹通常包含液体烟油、发热元件、导油绳、储油棉、嘴盖、电极及外壳等10余个部件，为防止液体烟油泄露对烟弹各组成零件的彼此配合和密封性要求很高，这造成装配工艺复杂且烟弹成本很高。2、现有技术中的电子烟，由于加热元件温度高且加热雾化位置离吸嘴端较近，容易出现烟气温度过高及近嘴端烟弹外壳温度较高的情况。3、工作时液体烟油与加热元件直接接触，工作后难免会有烟油残留在加热元件上结垢而污染加热元件，且可能会因加热元件过热而导致烟油残留物热解产生令人不愉快的口味。
本发明旨在解决上述问题。
发明内容
本发明第一方面提供了一种辐射加热型电子烟烟弹，其包括以下部件：
壳体1；
置于所述壳体(1)内的中空型发烟体(3)。
优选地，所述辐射加热型电子烟烟弹还包括隔离网(4)，其置于所述中空型发烟体(3)中空腔的内壁以内，且可以与所述内壁接触或不接触。
优选地，所述壳体1内还具有冷却元件2，其置于中空发烟体3的下游，其内部具有至少一条气流通道。
优选地，所述壳体1的最下游端部设有烟嘴件7，其经由所述冷却元件2上的气流通道与所述中空发烟体3气流连通。
优选地，所述隔离网4的形状与所述中空型发烟体的中空腔的形状相匹配。所述“匹配”是指二者的形状基本一致。
优选地，所述隔离网4由耐300‐400℃的耐高温材料制成。例如，所述隔离网4可以为金属网、泡沫金属或耐高温塑料网等，例如泡沫镍、泡沫钛等泡沫金属或聚四氟乙烯网。
优选地，所述中空型发烟体3为整体料形式。或者，当存在所述隔离网4时，所述中空型发烟体3既可以为整体料形式，又可以为碎片、纤维或粉末状发烟材料堆积在所述隔离网4与所述壳体1内壁之间所限定的空间内而形成。总之，所述发烟体整体上要以可不流动的形式存在，优选以固体形式存在。
其中，所述发烟体3自身为尼古丁源、气溶胶源和/或香味源，或者所述发烟体3上吸附或者负载有液体或固体的尼古丁源、气溶胶源和/或香味源。其中尼古丁源可选自任何能受热释放尼古丁的材料，例如各种形式的烟草、游离态尼古丁或化合态尼古丁(例如质子结合态尼古丁或尼古丁盐)；其中气溶胶源例如可选自乙二醇、丙二醇、丙三醇等；其中香味源可选自各种香精香料等。尼古丁源、气溶胶源和/或香味源可以自身单独存在，也可以被吸附、负载或浸渍到固体载体上。
优选地，所述冷却元件2具有平行管束式多条气流通道，或者具有多条曲折型气流通道。更优选地，所述冷却元件2呈藕状，其具有中心气流通道和周边气流通道。所述冷却元件2由大比热材料或者高热导率材料制成，以便对其内流过的烟雾进行有效冷却。
其中，所述壳体1为整体式壳体或者可拆卸式壳体。如果为可拆卸式壳体，可以将拆卸部位设置在所述冷却元件2与所述中空发烟体3之间处。设成可拆卸式壳体的好处是便于更换中空发烟体。
本发明第二方面提供了一种辐射加热型分体式电子烟，其包括呈分体式设计但可组装在一起的加热元件和根据本发明第一方面所述的辐射加热型电子烟烟弹，当二者组装到一起进行工作时，所述加热元件被***到所述中空型发烟体的中空腔内，但不与所述中空型发烟体的内壁直接接触。或者，当存在所述隔离网4时，所述加热元件被***到所述隔离网4所围绕的空间内。优选地，加热元件为电热元件。当加热元件工作时，其通过辐射加热方式对发烟体进行加热，使其挥发出烟雾。
优选地，所述隔离网4所围成的形状与所述加热元件的外形匹配。所述“匹配”是指二者的形状基本一致。
当所述隔离网4为高导热性材料时，加热元件、中空发烟体和隔离网三者不同时接触，以避免热导传热，确保从加热元件向中空发烟体的传热仅为辐射传热。当所述隔离网4为导 热性很差的材料或隔热材料时，加热元件和/或中空发烟体二者均可以与置于二者之间的隔离网接触，即便如此仍能确保从加热元件向中空发烟体的传热绝大部分为辐射传热。
本发明的优点在于：
1、采用非接触式辐射加热，避免了传统电子烟中烟油与加热元件接触并残留在加热元件上所造成的各种问题
2、中空发烟体以不可流动的方式被容置在壳体1内部，当存在隔离网4时，被容置在隔离网4与壳体1内壁之间的空腔内，避免了传统电子烟中液体烟油的流动性所造成的泄露问题，且因无需考虑密封性要求而大大简化了烟弹结构设计，并降低了成本，且便于携带。
3、本发明中的烟弹可以一次性使用，也可以通过更换发烟体而反复使用。
附图说明
图1为本发明的结构示意图；
图2为图1的A‐A剖视图放大结构示意图；
图3为图1的B‐B剖视图放大结构示意图；
图4为挡片结构示意图；
图5为烟嘴件结构示意图。
其中，各附图标记具有以下含义：
1‐壳体；2‐冷却元件；3‐发烟体；4‐隔离网；5‐挡片；6‐气流通道；7‐烟嘴件。
具体实施方式
实施例1
如图1所示，该辐射加热型电子烟烟弹包括一个圆筒形整体式壳体1，其一端内部具有挡片5，靠近该端部的壳体内部设有一段围成圆筒状的金属网，作为隔离网4；发烟体3为吸附有甘油和尼古丁的多孔泡沫体或纤维束，该发烟体3置于隔离网4与所述壳体之间的空腔内，可填满或不填满。一个成管束状的冷却元件2置于所述隔离网下游，其中以烟雾流动方向来确定上下游方向。壳体1的另一端部设有烟嘴件7，其具有中心气孔，与所述气流通道气流连通。
将上述辐射加热型电子烟烟弹与一个独立的具有加热元件的加热器以可分拆方式组合起来，构成一个分体式辐射加热型电子烟，将该电子烟与各种现有品牌的成品电子烟进行性能比较，设定各加热元件温度相同，各自连续抽吸5口后测量烟气温度以及近嘴端烟弹外壳温度，结果如下：
Figure PCTCN2017109348-appb-000001
通过上述对比可知，本发明的电子烟烟弹极大地降低烟气温度、近嘴端烟弹外壳温度，能带给消费者较好的抽吸体验。另外，现有品牌电子烟在反复抽吸多次后，拆开后发现加热元件上或多或少具有烟油残留物积垢，但本发明电子烟从未发生这种现象。
以上显示和描述了发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中的描述只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都在要求保护的本发明范围内，本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (11)

  1. 一种辐射加热型电子烟烟弹，其特征在于，包括以下部件：
    壳体(1)；
    置于所述壳体(1)内的中空型发烟体(3)。
  2. 根据权利要求1所述的辐射加热型电子烟烟弹，其特征在于，还包括隔离网(4)，其置于所述中空型发烟体(3)中空腔的内壁以内，且可以与所述内壁接触或不接触。
  3. 根据权利要求1所述的辐射加热型电子烟烟弹，其特征在于，所述壳体(1)内还具有冷却元件(2)，其置于中空型发烟体(3)的下游，其内部具有至少一条气流通道(6)。
  4. 根据权利要求1所述的辐射加热型电子烟烟弹，其特征在于，所述壳体(1)的最下游端部设有烟嘴件(7)，其经由所述冷却元件(2)上的气流通道与所述中空型发烟体(3)气流连通。
  5. 根据权利要求2所述的一种辐射加热型电子烟烟弹，其特征在于，所述隔离网(4)的形状与所述中空型发烟体的中空腔的形状相匹配。
  6. 根据权利要求1所述的一种辐射加热型电子烟烟弹，其特征在于，所述中空型发烟体(3)自身为尼古丁源、气溶胶源和/或香味源，或者所述中空型发烟体(3)上吸附或者负载有液体或固体的尼古丁源、气溶胶源和/或香味源。
  7. 根据权利要求3所述的辐射加热型电子烟烟弹，其特征在于，所述冷却元件(2)具有平行管束式多条气流通道，或者具有多条曲折型气流通道。
  8. 根据权利要求1所述的辐射加热型电子烟烟弹，其特征在于，所述壳体(1)为整体式壳体或者可拆卸式壳体。
  9. 根据权利要求1所述的辐射加热型电子烟烟弹，其特征在于，所述中空型发烟体(3)为整体料形式。
  10. 根据权利要求2所述的辐射加热型电子烟烟弹，其特征在于，所述中空型发烟体(3)为整体料形式，或者所述中空型发烟体(3)为碎片、纤维或粉末状发烟材料堆积在所述隔离网(4)与所述壳体(1)内壁之间所限定的空间内而形成。
  11. 一种辐射加热型分体式电子烟，其特征在于，其包括成分体式设计但可组装在一起的加热元件和根据权利要求1‐10中任一项所述的辐射加热型电子烟烟弹，当二者组装到一起进行工作时，所述加热元件被***到所述中空型发烟体的中空腔内，但不与所述中空型发烟体的内壁直接接触。
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