WO2023134245A1 - Tubular heating body, atomizer, and electronic atomization apparatus - Google Patents

Tubular heating body, atomizer, and electronic atomization apparatus Download PDF

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Publication number
WO2023134245A1
WO2023134245A1 PCT/CN2022/125661 CN2022125661W WO2023134245A1 WO 2023134245 A1 WO2023134245 A1 WO 2023134245A1 CN 2022125661 W CN2022125661 W CN 2022125661W WO 2023134245 A1 WO2023134245 A1 WO 2023134245A1
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Prior art keywords
liquid
heating element
tubular heating
element according
dense matrix
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PCT/CN2022/125661
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French (fr)
Chinese (zh)
Inventor
汪亚桥
吕铭
江涛
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深圳麦克韦尔科技有限公司
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Publication of WO2023134245A1 publication Critical patent/WO2023134245A1/en

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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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the present application relates to the technical field of atomization devices, in particular to a tubular heating element, an atomizer and an electronic atomization device.
  • An electronic atomization device generally includes a liquid storage part, a heating element, an airflow channel and a power supply.
  • the liquid in the liquid storage part can directly flow to the heating element, the power supply provides power to heat the heating element to heat the atomized liquid, and the airflow in the airflow channel takes away the atomized gas.
  • the designer adopts a plate-shaped heating element with multiple through holes.
  • the atomization rate of the liquid in the micropores inside the heating element is too fast, and the atomization rate is greater than
  • the liquid supply flow rate of the micropores needs to consume the liquid storage in the micropores, and the liquid in the micropores inside the heating element is prone to be evaporated, and the external air enters the liquid storage chamber of the atomizer, forming large air bubbles, hindering the liquid supply, and thus Lead to dry burning damage to the heating film.
  • the technical problem to be solved in this application is to overcome the defect that the heating element with a planar structure in the prior art is easily evaporated to dryness due to the liquid in the internal micropores, thereby causing the heating film to be burnt out, thereby providing a tubular heating element Body, atomizer and electronic atomization device.
  • a tubular heating element comprising a dense matrix with a hollow inside, and a plurality of liquid-conducting channels communicating with the inner surface and the outer surface of the dense matrix are opened on the dense matrix, and at least A heating film covering part of the liquid guiding channel.
  • the dense matrix is made of glass.
  • the glass is any one of borosilicate glass, quartz glass or photosensitive lithium aluminosilicate glass.
  • the dense matrix is in the shape of a round tube.
  • the inner diameter of the dense matrix is 0.3-3.0 mm.
  • the fluid guiding channel is a fluid guiding hole.
  • the ratio of the wall thickness of the dense matrix to the diameter of the liquid guide hole is in the range of (20:1)-(3:1).
  • the wall thickness of the dense matrix is 0.1-1.0 mm; the diameter of the liquid guide hole is 1-100 ⁇ m.
  • a plurality of the liquid guide holes are arranged in an array on the outer wall of the dense matrix.
  • the ratio of the hole center distance between two adjacent liquid guiding holes to the diameter of the liquid guiding hole is in the range of (3:1)-(1.5:1).
  • the outer wall of the dense matrix includes a first liquid guide hole array area and a second liquid guide hole array area, and guides on the first liquid guide hole array area and the second liquid guide hole array area
  • the pore size of the liquid hole is different.
  • the heating film is helically wound on the outer wall of the dense matrix along the radial direction of the dense matrix.
  • the heat-generating film is wound on the outer wall of the dense base along the direction of the line connecting the adjacent liquid guide holes on the dense base.
  • the heating film is made of conductive metal material.
  • the thickness of the heating film is 0.2-5.0 ⁇ m
  • the resistance of the heating film is 0.5-2 ⁇
  • the resistivity of the heating film is not greater than 0.06 ⁇ 10 ⁇ 6 ⁇ m.
  • the present application also provides an atomizer, which includes a housing with a liquid storage chamber and the above-mentioned tubular heating element disposed in the housing.
  • the present application also provides an electronic atomization device, including a power supply device and the above-mentioned atomizer, and the power supply device is electrically connected to the atomizer.
  • the technical solution of the present application has the following advantages: Compared with the existing straight-through heating element with planar structure, under the same projected area, the liquid supply area of the dense substrate is increased, and the amount of oil available for atomization on the dense substrate is more , the amount of aerosol generated per unit time of the tubular heating element is larger; in addition, the liquid supply flow rate of the dense substrate is increased, which is beneficial to keep the liquid-conducting channel on the dense substrate in a state of being soaked with liquid, and the liquid can be well isolated External air prevents air from entering the liquid storage chamber inside the atomizer from the liquid guide channel to form air bubbles to isolate the liquid and the heating film, avoiding the risk of dry burning damage to the heating film.
  • Fig. 1 is the structural representation of the compact matrix provided by the present application.
  • Fig. 2 is a schematic structural view of the tubular heating element provided in the first embodiment of the present application
  • Fig. 3 is a schematic structural diagram of the heating film in the first embodiment of the present application.
  • Fig. 4 is a schematic structural view of the tubular heating element provided in the second embodiment of the present application.
  • Fig. 5 is a schematic structural diagram of a heating film in a second embodiment of the present application.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.
  • the tubular heating element provides a tubular heating element, which can be used in an atomizer to heat and atomize liquid media such as flavor liquid and medicinal liquid.
  • the tubular heating element includes a dense matrix 1 and a heating film 2.
  • the dense matrix 1 is specifically a tubular structure with a central hole 101 inside.
  • the heating film 2 heats the flavor liquids and medicinal liquids in the liquid-conducting channels to generate aerosols.
  • the liquid supply area of the dense matrix 1 is the total area of the openings of all the liquid-conducting channels on the side wall.
  • the liquid guide channel on the dense substrate 1 is kept in a state of being soaked with liquid, and the liquid can well isolate the external air, preventing air from entering the liquid storage chamber inside the atomizer from the liquid guide channel to form air bubbles and hindering the liquid supply, avoiding heat generation Membrane 2 risk of dry burning damage.
  • the dense matrix 1 is made of glass, and the glass is specifically any one of borosilicate glass, quartz glass or photosensitive lithium aluminosilicate glass. In other embodiments, the dense matrix 1 can also be ceramics, hard engineering plastics and other components with certain mechanical strength.
  • the cross-section of the dense matrix 1 is a circular tube, and the cross-section of the central hole 101 inside the dense matrix 1 is also circular.
  • the cross-section of the dense matrix 1 and the inner central hole 101 may also be elliptical or polygonal, as long as the sidewall of the dense matrix 1 is a ring-shaped closed structure.
  • the inner diameter of the central hole 101 in the dense matrix 1 is 0.3-3.0 mm.
  • the inner diameter of the central hole 101 needs to be set at 0.3 mm or above, preferably above 0.8 mm; for a small atomizer, the inner diameter of the central hole 101 is preferably within 3.0 mm.
  • the liquid guiding channel is specifically the liquid guiding hole 102 that runs through the inner and outer surfaces of the dense matrix 1 in a straight line.
  • the liquid guiding channel may not be limited to a linear channel, such as a curved channel or a dendritic channel, as long as the flavor liquid and the medicinal liquid can flow between the inner and outer surfaces of the dense matrix 1 That's it.
  • the ratio of the wall thickness of the dense matrix 1 to the diameter of the liquid guide hole 102 is in the range of (20:1)-(3:1).
  • the ratio of the wall thickness of the dense matrix 1 to the diameter of the liquid guide hole 102 is in the range of (15:1)-(5:1).
  • the wall thickness of the dense matrix 1 is 0.1-1.0 mm; the diameter of the liquid guide hole 102 is 1-100 ⁇ m.
  • the wall thickness of the dense matrix 1 is 0.2-0.5 mm; the diameter of the liquid guide hole 102 is 20-50 ⁇ m.
  • a plurality of liquid guiding holes 102 are arranged in an array on the outer wall of the dense matrix 1 .
  • the liquid guide holes 102 are arranged in an annular array with the axis of the dense matrix 1 as the center along the radial direction of the dense matrix 1 .
  • the ratio range of the hole center distance between two adjacent liquid guide holes 102 to the diameter of the liquid guide hole 102 is (3:1)-(1.5:1); preferably, the ratio range is (3:1)-(2.5:1).
  • the outer wall of the dense matrix 1 includes a first liquid guide hole 102 array area and a second liquid guide hole 102 array area, and the first liquid guide hole 102 array area and the second liquid guide hole 102 array area conduct liquid
  • the hole diameters of the holes 102 vary in size.
  • the heating film 2 is wound on the outer wall of the dense matrix 1 .
  • the heating film 2 is made of conductive metal material.
  • the material of the heating film 2 is silver, copper, aluminum, gold or their alloys; the thickness of the heating film 2 is 0.2-5.0 ⁇ m, the resistance of the heating film 2 is 0.5-2 ⁇ , and the resistivity of the heating film 2 is not more than 0.06 ⁇ 10 -6 ⁇ m.
  • the material of the heating film 2 can also be one of nickel-chromium alloy, nickel-chromium-iron alloy, iron-chromium-aluminum alloy, nickel, platinum, and titanium; the thickness of the heating film 2 is 5-100 ⁇ m.
  • the heating film 2 is spirally wound on the outer wall of the dense matrix 1 along the radial direction of the dense matrix 1 .
  • the heating film 2 is wound on the outer wall of the dense base 1 along the direction of the line connecting adjacent liquid guide holes 102 on the dense base 1 .
  • the heating film 2 should cover as many liquid guide holes 102 as possible.
  • the present application also provides an atomizer, which includes a housing with a liquid storage chamber and the above tubular heating element disposed in the housing.
  • the present application also provides an electronic atomization device, including a power supply device and the atomizer as above, and the power supply device is electrically connected to the atomizer.
  • the electronic atomization device can be used as an electronic cigarette, and can also be used as a medical atomizer and the like.
  • the power supply unit supplies power to the heating film 2 of the tubular heating element in the atomizer. After heating, the heating film 2 heats and atomizes the liquid medium in the liquid guide hole 102 for users to inhale. It can be understood that any of the above tubular heating elements can be applied to the electronic atomization device.

Abstract

A tubular heating body, an atomizer, and an electronic atomization apparatus. The tubular heating body comprises a compact substrate (1) which has a hollow interior, the compact substrate (1) is provided with a plurality of liquid guide channels connecting an inner surface and an outer surface of the compact substrate (1), and an outer wall of the compact substrate (1) is further provided with a heating film (2) covering at least a portion of the liquid guide channels. Compared to a planar straight-through heating body, in the same projection area, the liquid supply area of the compact substrate (1) is increased for the tubular heating body, so that there is more oil available for atomization on the compact substrate (1) and more aerosol is generated per unit time. In addition, a liquid supply flow of the compact substrate (1) is increased, which helps a liquid guide channel on the compact substrate (1) remain soaked with a liquid, and the liquid can isolate same from external air well, and prevent air from entering a liquid storage cavity inside the atomizer from the liquid guide channel to form bubbles, thus isolating the liquid and the heating film (2), and preventing the heating film from sustaining dry burning damage.

Description

一种管式发热体、雾化器及电子雾化装置A tubular heating element, atomizer and electronic atomization device
相关申请的交叉引用Cross References to Related Applications
本申请要求在2022年1月11日提交中国国家知识产权局、申请号为202210029181.5、发明名称为“一种管式发热体、雾化器及电子雾化装置”的中国专利申请的优先权，其全部内容通过引用的方式并入本文中。This application claims the priority of the Chinese patent application submitted to the State Intellectual Property Office of China on January 11, 2022, with the application number 202210029181.5, and the title of the invention is "a tubular heating element, atomizer and electronic atomization device", Its entire content is incorporated herein by reference.
技术领域technical field
本申请涉及雾化装置技术领域，具体涉及一种管式发热体、雾化器及电子雾化装置。The present application relates to the technical field of atomization devices, in particular to a tubular heating element, an atomizer and an electronic atomization device.
背景技术Background technique
电子雾化装置一般包括储液部、发热体、气流通道及电源。储液部的液体可以直接流到发热体，电源提供电力给发热体加热雾化液体，气流通道的气流把雾化气带走。An electronic atomization device generally includes a liquid storage part, a heating element, an airflow channel and a power supply. The liquid in the liquid storage part can directly flow to the heating element, the power supply provides power to heat the heating element to heat the atomized liquid, and the airflow in the airflow channel takes away the atomized gas.
现有的发热体的吸液基体多为棉芯、多孔陶瓷。为了提升供液能力，设计人员采用开设多个贯穿孔的平板状的发热体，这种发热体在雾化过程中，由于发热体内部微孔中液体的雾化速率过快，雾化速率大于微孔的供液流量，从而需要消耗微孔中的储液，容易出现发热体内部微孔中液体被蒸干，外部空气进入雾化器的储液腔，形成大气泡，阻碍供液，从而导致发热膜干烧损坏。Most of the liquid-absorbing substrates of existing heating elements are cotton cores and porous ceramics. In order to improve the liquid supply capacity, the designer adopts a plate-shaped heating element with multiple through holes. During the atomization process of this heating element, the atomization rate of the liquid in the micropores inside the heating element is too fast, and the atomization rate is greater than The liquid supply flow rate of the micropores needs to consume the liquid storage in the micropores, and the liquid in the micropores inside the heating element is prone to be evaporated, and the external air enters the liquid storage chamber of the atomizer, forming large air bubbles, hindering the liquid supply, and thus Lead to dry burning damage to the heating film.
发明内容Contents of the invention
因此，本申请要解决的技术问题在于克服现有技术中的平面结构的发热体容易因内部微孔中的液体被蒸干、进而导致发热膜被烧坏的缺陷，从而提供一 种管式发热体、雾化器及电子雾化装置。Therefore, the technical problem to be solved in this application is to overcome the defect that the heating element with a planar structure in the prior art is easily evaporated to dryness due to the liquid in the internal micropores, thereby causing the heating film to be burnt out, thereby providing a tubular heating element Body, atomizer and electronic atomization device.
为解决上述技术问题，本申请的技术方案如下：In order to solve the problems of the technologies described above, the technical scheme of the present application is as follows:
一种管式发热体，包括内部中空的致密基体，所述致密基体上开设有连通所述致密基体的内表面和外表面的多个导液通道，所述致密基体的外壁上还设有至少覆盖部分所述导液通道的发热膜。A tubular heating element, comprising a dense matrix with a hollow inside, and a plurality of liquid-conducting channels communicating with the inner surface and the outer surface of the dense matrix are opened on the dense matrix, and at least A heating film covering part of the liquid guiding channel.
在一些实施例中，所述致密基体的材质为玻璃。In some embodiments, the dense matrix is made of glass.
在一些实施例中，所述玻璃为硼硅玻璃、石英玻璃或光敏铝硅酸锂玻璃中的任意一种。In some embodiments, the glass is any one of borosilicate glass, quartz glass or photosensitive lithium aluminosilicate glass.
在一些实施例中，所述致密基体呈圆管状。In some embodiments, the dense matrix is in the shape of a round tube.
在一些实施例中，所述致密基体的内径大小为0.3-3.0mm。In some embodiments, the inner diameter of the dense matrix is 0.3-3.0 mm.
在一些实施例中，所述导液通道为导液孔。In some embodiments, the fluid guiding channel is a fluid guiding hole.
在一些实施例中，所述致密基体的壁厚和所述导液孔的孔径的比值范围为(20:1)-(3:1)。In some embodiments, the ratio of the wall thickness of the dense matrix to the diameter of the liquid guide hole is in the range of (20:1)-(3:1).
在一些实施例中，所述致密基体的壁厚为0.1-1.0mm；所述导液孔的孔径大小为1-100μm。In some embodiments, the wall thickness of the dense matrix is 0.1-1.0 mm; the diameter of the liquid guide hole is 1-100 μm.
在一些实施例中，多个所述导液孔在所述致密基体的外壁上呈阵列式排布。In some embodiments, a plurality of the liquid guide holes are arranged in an array on the outer wall of the dense matrix.
在一些实施例中，相邻两个所述导液孔之间的孔中心间距和所述导液孔的孔径的比值范围为(3:1)-(1.5:1)。In some embodiments, the ratio of the hole center distance between two adjacent liquid guiding holes to the diameter of the liquid guiding hole is in the range of (3:1)-(1.5:1).
在一些实施例中，所述致密基体的外壁包括第一导液孔阵列区和第二导液孔阵列区，所述第一导液孔阵列区和所述第二导液孔阵列区上导液孔的孔径大小不同。In some embodiments, the outer wall of the dense matrix includes a first liquid guide hole array area and a second liquid guide hole array area, and guides on the first liquid guide hole array area and the second liquid guide hole array area The pore size of the liquid hole is different.
在一些实施例中，所述发热膜沿所述致密基体的径向螺旋缠绕在所述致密基体的外壁上。In some embodiments, the heating film is helically wound on the outer wall of the dense matrix along the radial direction of the dense matrix.
在一些实施例中，所述发热膜在所述致密基体上沿相邻所述导液孔的连线方向缠绕在所述致密基体的外壁上。In some embodiments, the heat-generating film is wound on the outer wall of the dense base along the direction of the line connecting the adjacent liquid guide holes on the dense base.
在一些实施例中，所述发热膜采用导电金属材料制成。In some embodiments, the heating film is made of conductive metal material.
在一些实施例中，所述发热膜的厚度为0.2-5.0μm，所述发热膜的电阻为0.5-2Ω，所述发热膜的电阻率不大于0.06×10 -6Ω·m。 In some embodiments, the thickness of the heating film is 0.2-5.0 μm, the resistance of the heating film is 0.5-2Ω, and the resistivity of the heating film is not greater than 0.06×10 −6 Ω·m.
本申请还提供一种雾化器，包括具有储液腔的壳体和设置在所述壳体内的如上所述的管式发热体。The present application also provides an atomizer, which includes a housing with a liquid storage chamber and the above-mentioned tubular heating element disposed in the housing.
本申请还提供一种电子雾化装置，包括电源装置、以及如上所述的雾化器，所述电源装置与所述雾化器电性连接。The present application also provides an electronic atomization device, including a power supply device and the above-mentioned atomizer, and the power supply device is electrically connected to the atomizer.
本申请的技术方案，具有如下优点：与现有平面结构的直通式发热体相比，在相同投影面积下，增加了致密基体的供液面积，致密基体上可供雾化的油量更多，管式发热体单位时间的气溶胶产生量更大；另外还增大了致密基体的供液流量，有利于致密基体上的导液通道保持处于浸润有液体的状态，液体可以很好地隔离外部空气，防止空气从导液通道进入雾化器内部的储液腔形成气泡而隔绝液体和发热膜，避免了发热膜干烧损坏的风险。The technical solution of the present application has the following advantages: Compared with the existing straight-through heating element with planar structure, under the same projected area, the liquid supply area of the dense substrate is increased, and the amount of oil available for atomization on the dense substrate is more , the amount of aerosol generated per unit time of the tubular heating element is larger; in addition, the liquid supply flow rate of the dense substrate is increased, which is beneficial to keep the liquid-conducting channel on the dense substrate in a state of being soaked with liquid, and the liquid can be well isolated External air prevents air from entering the liquid storage chamber inside the atomizer from the liquid guide channel to form air bubbles to isolate the liquid and the heating film, avoiding the risk of dry burning damage to the heating film.
附图说明Description of drawings
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or prior art. Obviously, the accompanying drawings in the following description The figures show some implementations of the present application, and those skilled in the art can obtain other figures based on these figures without any creative effort.
图1为本申请提供的致密基体的结构示意图；Fig. 1 is the structural representation of the compact matrix provided by the present application;
图2为本申请第一种实施方式中提供的管式发热体的结构示意图；Fig. 2 is a schematic structural view of the tubular heating element provided in the first embodiment of the present application;
图3为本申请第一种实施方式中发热膜的结构示意图；Fig. 3 is a schematic structural diagram of the heating film in the first embodiment of the present application;
图4为本申请第二种实施方式中提供的管式发热体的结构示意图；Fig. 4 is a schematic structural view of the tubular heating element provided in the second embodiment of the present application;
图5为本申请第二种实施方式中发热膜的结构示意图。Fig. 5 is a schematic structural diagram of a heating film in a second embodiment of the present application.
附图标记说明：1、致密基体；101、中心孔；102、导液孔；2、发热膜。Explanation of reference numerals: 1. Dense matrix; 101, central hole; 102, liquid guide hole; 2, heating film.
具体实施方式Detailed ways
下面将结合附图对本申请的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
在本申请的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplification of the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific orientation construction and operation, therefore should not be construed as limiting the application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.
本申请实施例提供了一种管式发热体，可应用于雾化器中对风味液体、药液等液态介质进行加热雾化。如图1和图2所示，管式发热体包括致密基体1和发热膜2，致密基体1具体为内部具有中心孔101的管体结构，致密基体1的壁上开设有连通致密基体1的内表面和外表面的多个导液通道，发热膜2覆盖在致密基体1的外壁面上并至少覆盖部分的导液通道。风味液体、药液等液态介质可以穿过中心孔101进入到致密基体1的导液通道中，发热膜2工作过程中对导液通道中的风味液体、药液等进行加热并产生气溶胶。The embodiment of the present application provides a tubular heating element, which can be used in an atomizer to heat and atomize liquid media such as flavor liquid and medicinal liquid. As shown in Figures 1 and 2, the tubular heating element includes a dense matrix 1 and a heating film 2. The dense matrix 1 is specifically a tubular structure with a central hole 101 inside. There are multiple liquid conducting channels on the inner surface and the outer surface, and the heating film 2 covers the outer wall surface of the dense matrix 1 and covers at least part of the liquid conducting channels. Flavored liquids, medicinal liquids and other liquid media can pass through the central hole 101 and enter the liquid-conducting channels of the dense matrix 1. During the working process, the heating film 2 heats the flavor liquids and medicinal liquids in the liquid-conducting channels to generate aerosols.
这种管式发热体，致密基体1的供液面积为侧壁上所有导液通道的开口的总面积，与现有平面结构的直通式发热体相比，在相同投影面积下，增加了致密基体1的供液面积，致密基体1上可供雾化的油量更多，管式发热体单位时 间的气溶胶产生量更大；另外还增大了致密基体1的供液流量，有利于致密基体1上的导液通道保持处于浸润有液体的状态，液体可以很好地隔离外部空气，防止空气从导液通道进入雾化器内部的储液腔形成气泡而阻碍供液，避免了发热膜2干烧损坏的风险。In this tubular heating element, the liquid supply area of the dense matrix 1 is the total area of the openings of all the liquid-conducting channels on the side wall. The liquid supply area of the substrate 1, the amount of oil available for atomization on the dense substrate 1 is more, and the aerosol production per unit time of the tubular heating element is larger; in addition, the liquid supply flow rate of the dense substrate 1 is increased, which is beneficial to The liquid guide channel on the dense substrate 1 is kept in a state of being soaked with liquid, and the liquid can well isolate the external air, preventing air from entering the liquid storage chamber inside the atomizer from the liquid guide channel to form air bubbles and hindering the liquid supply, avoiding heat generation Membrane 2 risk of dry burning damage.
在一些实施方式中，致密基体1的材质为玻璃，玻璃具体为硼硅玻璃、石英玻璃或光敏铝硅酸锂玻璃中的任意一种。在另外的一些实施方式中，致密基体1还可以为陶瓷、硬质工程塑料等具有一定机械强度的部件。In some embodiments, the dense matrix 1 is made of glass, and the glass is specifically any one of borosilicate glass, quartz glass or photosensitive lithium aluminosilicate glass. In other embodiments, the dense matrix 1 can also be ceramics, hard engineering plastics and other components with certain mechanical strength.
在一些实施方式中，致密基体1的横截面呈圆管状，致密基体1内部的中心孔101的截面也呈圆形。在另外的一些实施方式，致密基体1及内部中心孔101的横截面还可以呈椭圆形或多边形，只要致密基体1的侧壁为环状闭合的结构即可。In some embodiments, the cross-section of the dense matrix 1 is a circular tube, and the cross-section of the central hole 101 inside the dense matrix 1 is also circular. In some other embodiments, the cross-section of the dense matrix 1 and the inner central hole 101 may also be elliptical or polygonal, as long as the sidewall of the dense matrix 1 is a ring-shaped closed structure.
在一些实施例中，致密基体1内中心孔101的内径大小为0.3-3.0mm。为了保证致密基体1的供液稳定，中心孔101的内径范围需要设置在0.3mm及以上，优选为0.8mm以上；对应小型的雾化器，中心孔101的内径尺寸最好在3.0mm以内。In some embodiments, the inner diameter of the central hole 101 in the dense matrix 1 is 0.3-3.0 mm. In order to ensure the stable liquid supply of the dense matrix 1, the inner diameter of the central hole 101 needs to be set at 0.3 mm or above, preferably above 0.8 mm; for a small atomizer, the inner diameter of the central hole 101 is preferably within 3.0 mm.
在本实施例中，导液通道具体为直线贯穿致密基体1内外表面的导液孔102。在可替代的实施方式中，导液通道还可以不限于直线型的孔道，例如弯曲型的通道或树枝型的孔道，只要可以使风味液体、药液可以在致密基体1的内外表面之间流动即可。In this embodiment, the liquid guiding channel is specifically the liquid guiding hole 102 that runs through the inner and outer surfaces of the dense matrix 1 in a straight line. In an alternative embodiment, the liquid guiding channel may not be limited to a linear channel, such as a curved channel or a dendritic channel, as long as the flavor liquid and the medicinal liquid can flow between the inner and outer surfaces of the dense matrix 1 That's it.
在本实施例中，致密基体1的壁厚和导液孔102的孔径的比值范围为(20:1)-(3:1)。优选的，致密基体1的壁厚和导液孔102的孔径的比值范围为(15:1)-(5:1)。例如，致密基体1的壁厚为0.1-1.0mm；导液孔102的孔径大小为1-100μm。优选的，致密基体1的壁厚为0.2-0.5mm；导液孔102的孔径大小为20-50μm。In this embodiment, the ratio of the wall thickness of the dense matrix 1 to the diameter of the liquid guide hole 102 is in the range of (20:1)-(3:1). Preferably, the ratio of the wall thickness of the dense matrix 1 to the diameter of the liquid guide hole 102 is in the range of (15:1)-(5:1). For example, the wall thickness of the dense matrix 1 is 0.1-1.0 mm; the diameter of the liquid guide hole 102 is 1-100 μm. Preferably, the wall thickness of the dense matrix 1 is 0.2-0.5 mm; the diameter of the liquid guide hole 102 is 20-50 μm.
在本实施例中，多个导液孔102在致密基体1的外壁上呈阵列式排布。当致密基体1呈圆环状时，导液孔102沿致密基体1的径向呈以致密基体1轴心 为圆心的环形阵列排布。In this embodiment, a plurality of liquid guiding holes 102 are arranged in an array on the outer wall of the dense matrix 1 . When the dense matrix 1 is in the shape of a ring, the liquid guide holes 102 are arranged in an annular array with the axis of the dense matrix 1 as the center along the radial direction of the dense matrix 1 .
在一些实施例中，相邻两个导液孔102之间的孔中心间距和导液孔102的孔径的比值范围为(3:1)-(1.5:1)；优选的，该比值范围为(3:1)-(2.5:1)。In some embodiments, the ratio range of the hole center distance between two adjacent liquid guide holes 102 to the diameter of the liquid guide hole 102 is (3:1)-(1.5:1); preferably, the ratio range is (3:1)-(2.5:1).
在一些实施例中，致密基体1的外壁包括第一导液孔102阵列区和第二导液孔102阵列区，第一导液孔102阵列区和第二导液孔102阵列区上导液孔102的孔径大小不同。In some embodiments, the outer wall of the dense matrix 1 includes a first liquid guide hole 102 array area and a second liquid guide hole 102 array area, and the first liquid guide hole 102 array area and the second liquid guide hole 102 array area conduct liquid The hole diameters of the holes 102 vary in size.
在本实施例中，发热膜2缠绕在致密基体1的外壁上。发热膜2采用导电金属材料制成。例如，发热膜2的材料为银、铜、铝、金或其合金；发热膜2的厚度为0.2-5.0μm，发热膜2的电阻为0.5-2Ω，发热膜2的电阻率不大于0.06×10 -6Ω·m。发热膜2的材料还可以为镍铬合金、镍铬铁合金、铁铬铝合金、镍、铂、钛中的一种；发热膜2的厚度为5-100μm。 In this embodiment, the heating film 2 is wound on the outer wall of the dense matrix 1 . The heating film 2 is made of conductive metal material. For example, the material of the heating film 2 is silver, copper, aluminum, gold or their alloys; the thickness of the heating film 2 is 0.2-5.0 μm, the resistance of the heating film 2 is 0.5-2Ω, and the resistivity of the heating film 2 is not more than 0.06× 10 -6 Ω·m. The material of the heating film 2 can also be one of nickel-chromium alloy, nickel-chromium-iron alloy, iron-chromium-aluminum alloy, nickel, platinum, and titanium; the thickness of the heating film 2 is 5-100 μm.
在本实施例中的第一种实施方式中，如图2-3所示，发热膜2沿致密基体1的径向螺旋缠绕在致密基体1的外壁上。在本实施例中的第二种实施方式中，如图4-5所示，发热膜2在致密基体1上沿相邻导液孔102的连线方向缠绕在致密基体1的外壁上。发热膜2应尽可能的覆盖住更多的导液孔102。In the first implementation of this example, as shown in FIGS. 2-3 , the heating film 2 is spirally wound on the outer wall of the dense matrix 1 along the radial direction of the dense matrix 1 . In the second implementation of this embodiment, as shown in FIGS. 4-5 , the heating film 2 is wound on the outer wall of the dense base 1 along the direction of the line connecting adjacent liquid guide holes 102 on the dense base 1 . The heating film 2 should cover as many liquid guide holes 102 as possible.
本申请还提供一种雾化器，包括具有储液腔的壳体和设置在壳体内的如上的管式发热体。The present application also provides an atomizer, which includes a housing with a liquid storage chamber and the above tubular heating element disposed in the housing.
本申请还提供一种电子雾化装置，包括电源装置、以及如上的雾化器，电源装置与雾化器电性连接。该电子雾化装置可作为电子烟使用，也可作为医疗雾化器等使用。The present application also provides an electronic atomization device, including a power supply device and the atomizer as above, and the power supply device is electrically connected to the atomizer. The electronic atomization device can be used as an electronic cigarette, and can also be used as a medical atomizer and the like.
雾化器和电源装置组装后，电源装置为雾化器中管式发热体的发热膜2供电，发热膜2发热后对导液孔102中的液态介质加热雾化，供用户吸食。可以理解地，上述的任意一种管式发热体均可以适用于该电子雾化装置。After the atomizer and power supply unit are assembled, the power supply unit supplies power to the heating film 2 of the tubular heating element in the atomizer. After heating, the heating film 2 heats and atomizes the liquid medium in the liquid guide hole 102 for users to inhale. It can be understood that any of the above tubular heating elements can be applied to the electronic atomization device.
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由 此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or variations derived therefrom are still within the scope of protection of the present invention.

Claims (17)

  1. 一种管式发热体，其特征在于，包括内部中空的致密基体，所述致密基体上开设有连通所述致密基体的内表面和外表面的多个导液通道，所述致密基体的外壁上还设有至少覆盖部分所述导液通道的发热膜。A tubular heating element, characterized in that it comprises a hollow dense matrix, and the dense matrix is provided with a plurality of liquid-conducting channels connecting the inner surface and the outer surface of the dense matrix, and the outer wall of the dense matrix is A heating film covering at least part of the liquid guiding channel is also provided.
  2. 根据权利要求1所述的管式发热体，其特征在于，所述致密基体的材质为玻璃。The tubular heating element according to claim 1, wherein the material of the dense matrix is glass.
  3. 根据权利要求2所述的管式发热体，其特征在于，所述玻璃为硼硅玻璃、石英玻璃或光敏铝硅酸锂玻璃中的任意一种。The tubular heating element according to claim 2, wherein the glass is any one of borosilicate glass, quartz glass or photosensitive lithium aluminosilicate glass.
  4. 根据权利要求1所述的管式发热体，其特征在于，所述致密基体呈圆管状。The tubular heating element according to claim 1, wherein the dense matrix is in the shape of a round tube.
  5. 根据权利要求1所述的管式发热体，其特征在于，所述致密基体的内径大小为0.3-3.0mm。The tubular heating element according to claim 1, characterized in that the inner diameter of the dense matrix is 0.3-3.0 mm.
  6. 根据权利要求1所述的管式发热体，其特征在于，所述导液通道为导液孔。The tubular heating element according to claim 1, wherein the liquid guiding channel is a liquid guiding hole.
  7. 根据权利要求6所述的管式发热体，其特征在于，所述致密基体的壁厚和所述导液孔的孔径的比值范围为(20:1)-(3:1)。The tubular heating element according to claim 6, wherein the ratio of the wall thickness of the dense matrix to the diameter of the liquid guide hole is in the range of (20:1)-(3:1).
  8. 根据权利要求7所述的管式发热体，其特征在于，所述致密基体的壁厚为0.1-1.0mm；所述导液孔的孔径大小为1-100μm。The tubular heating element according to claim 7, characterized in that, the wall thickness of the dense matrix is 0.1-1.0 mm; the diameter of the liquid guide hole is 1-100 μm.
  9. 根据权利要求6所述的管式发热体，其特征在于，多个所述导液孔在所述致密基体的外壁上呈阵列式排布。The tubular heating element according to claim 6, characterized in that, a plurality of said liquid guiding holes are arranged in an array on the outer wall of said dense matrix.
  10. 根据权利要求9所述的管式发热体，其特征在于，相邻两个所述导液孔之间的孔中心间距和所述导液孔的孔径的比值范围为(3:1)-(1.5:1)。The tubular heating element according to claim 9, characterized in that, the ratio range of the center-to-center spacing between two adjacent liquid guiding holes and the diameter of the liquid guiding holes is (3:1)-( 1.5:1).
  11. 根据权利要求9所述的管式发热体，其特征在于，所述致密基体的外壁包括第一导液孔阵列区和第二导液孔阵列区，所述第一导液孔阵列区和所述第二导液孔阵列区上导液孔的孔径大小不同。The tubular heating element according to claim 9, wherein the outer wall of the dense matrix includes a first liquid guide hole array area and a second liquid guide hole array area, and the first liquid guide hole array area and the second liquid guide hole array area The diameters of the liquid guide holes on the second liquid guide hole array area are different.
  12. 根据权利要求1所述的管式发热体，其特征在于，所述发热膜沿所述致密基体的径向螺旋缠绕在所述致密基体的外壁上。The tubular heating element according to claim 1, wherein the heating film is spirally wound on the outer wall of the dense matrix along the radial direction of the dense matrix.
  13. 根据权利要求6所述的管式发热体，其特征在于，所述发热膜在所述致密基体上沿相邻所述导液孔的连线方向缠绕在所述致密基体的外壁上。The tubular heating element according to claim 6, wherein the heating film is wound on the outer wall of the dense substrate along the direction of the line connecting the adjacent liquid guide holes on the dense substrate.
  14. 根据权利要求1所述的管式发热体，其特征在于，所述发热膜采用导电金属材料制成。The tubular heating element according to claim 1, wherein the heating film is made of conductive metal material.
  15. 根据权利要求1所述的管式发热体，其特征在于，所述发热膜的厚度为0.2-5.0μm，所述发热膜的电阻为0.5-2Ω，所述发热膜的电阻率不大于0.06×10 -6Ω·m。 The tubular heating element according to claim 1, wherein the thickness of the heating film is 0.2-5.0 μm, the resistance of the heating film is 0.5-2Ω, and the resistivity of the heating film is not greater than 0.06× 10 -6 Ω·m.
  16. 一种雾化器，其特征在于，包括具有储液腔的壳体和设置在所述壳体内的如权利要求1-15中任意一项所述的管式发热体。An atomizer, characterized by comprising a casing with a liquid storage chamber and the tubular heating element according to any one of claims 1-15 arranged in the casing.
  17. 一种电子雾化装置，其特征在于，包括电源装置、以及如权利要求16所述的雾化器，所述电源装置与所述雾化器电性连接。An electronic atomization device, characterized by comprising a power supply device and the atomizer according to claim 16, the power supply device being electrically connected to the atomizer.
PCT/CN2022/125661 2022-01-11 2022-10-17 Tubular heating body, atomizer, and electronic atomization apparatus WO2023134245A1 (en)

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CN214386078U (en) * 2020-12-11 2021-10-15 深圳市合元科技有限公司 Atomizer, electronic atomization device and liquid guide element for atomizer
CN114794566A (en) * 2021-07-05 2022-07-29 深圳麦克韦尔科技有限公司 Preparation method of liquid-guiding glass substrate and heating element
CN113712279A (en) * 2021-08-27 2021-11-30 深圳麦克韦尔科技有限公司 Electronic atomization device, atomizer, atomization core and preparation method of atomization core
CN114762540A (en) * 2022-01-11 2022-07-19 深圳麦克韦尔科技有限公司 Tubular heat-generating body, atomizer and electron atomizing device

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