WO2021259373A1 - 气雾生成装置 - Google Patents

气雾生成装置 Download PDF

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Publication number
WO2021259373A1
WO2021259373A1 PCT/CN2021/102193 CN2021102193W WO2021259373A1 WO 2021259373 A1 WO2021259373 A1 WO 2021259373A1 CN 2021102193 W CN2021102193 W CN 2021102193W WO 2021259373 A1 WO2021259373 A1 WO 2021259373A1
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WO
WIPO (PCT)
Prior art keywords
chamber
air
aerosol generating
inner tube
generating device
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PCT/CN2021/102193
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English (en)
French (fr)
Inventor
吴泽鑫
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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Publication date
Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to JP2022575851A priority Critical patent/JP2023528675A/ja
Priority to US18/011,833 priority patent/US20230248063A1/en
Priority to EP21829561.6A priority patent/EP4173500A4/en
Priority to KR1020227042920A priority patent/KR20230008806A/ko
Publication of WO2021259373A1 publication Critical patent/WO2021259373A1/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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • 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
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material

Definitions

  • the embodiments of the present application relate to the technical field of heating non-combustion smoking appliances, and in particular to an aerosol generating device.
  • Tobacco products e.g., cigarettes, cigars, etc.
  • tobacco-burning products e.g., cigarettes, cigars, etc.
  • People are trying to replace these tobacco-burning products by manufacturing products that release compounds without burning.
  • heating devices that release compounds by heating rather than burning materials.
  • the material may be tobacco or other non-tobacco products, which may or may not contain nicotine.
  • a heating device that heats the tobacco product with a heater to release the compound to generate an aerosol.
  • Patent No. 201280070578.3 which is a known technology, proposes a design suitable for the air flow path in the suction process of the heating device. When the above known device is in use, the heat of the heater will be radiated outward in the radial direction or transferred to the casing of the device, which will increase the temperature of the casing.
  • an embodiment of the present application provides an aerosol generating device with a function of preventing the temperature of the casing from increasing.
  • the embodiment of the application proposes an aerosol generating device for heating a smokable material to generate an aerosol for smoking;
  • the device includes an outer shell, and the outer shell is provided with:
  • the inner tube is configured to extend along the length direction of the housing, and at least a part of the inner tube is hollow and configured to receive and heat a chamber for a smokable material; the chambers have opposite sides along the length direction The proximal end and the distal end of the chamber, the smokeable material is removably received in the chamber through the proximal end of the chamber;
  • An air medium layer is formed between the stent and the inner tube; the air medium layer is configured to extend along the length of the inner tube and surround the inner tube to reduce the heat of the chamber along the diameter Conduction outward; the air medium layer has a closed end close to the proximal end along the length direction and an open end close to the distal end; the open end is in airflow communication with the chamber, and then During suction, external air can enter the chamber through the open end.
  • the wall of the inner tube is provided with a first air inlet located close to the distal end of the chamber; the first air inlet and the air flow at the open end of the air medium layer Communicating, so that the external air entering from the open end enters the chamber through the first air inlet hole during suction.
  • the device further includes:
  • a magnetic field generator the magnetic field generator is installed on the bracket, and the magnetic field generator is used to generate a changing magnetic field;
  • the susceptor is configured as a pin or sheet extending at least partly along the axial direction of the chamber, and can be penetrated by the changing magnetic field to generate heat, and then inserted into the chamber when the smokable material is received in the chamber Heat in the smokable material.
  • the stent has a first end close to the proximal end along the length direction and a second end close to the distal end; wherein,
  • the first end is connected to the inner tube, and the closed end of the air medium layer is formed at the first end; the second end is configured as a free end, and the air medium layer is formed at the second end. Open end.
  • the device further includes:
  • the mounting seat is arranged near the distal end of the chamber and is configured to provide support for the susceptor
  • the extension length of the bracket along the length direction of the inner tube substantially avoids the mounting seat to prevent the heat of the mounting seat from being conducted to the bracket.
  • the distance between the first air inlet hole and the first end along the length of the bracket is less than the length of the bracket, so that the external air is removed from the air medium layer during suction.
  • the open end flows toward the first air inlet hole in the direction of the closed end.
  • the inner tube at least partially surrounds the mounting seat.
  • the aerosol generating device is configured to flow at least a part of the external air from the first air inlet hole to the susceptor along the radial direction of the chamber during the suction process.
  • the outer shell includes a first shell and a second shell;
  • At least a part of the second housing is configured as the bracket
  • At least part of the first housing surrounds and is supported by the support; the first housing can move relative to the second housing along the length direction to extract the pumpable Suction material.
  • the second housing is provided with a second air inlet hole that is in airflow communication with the first air inlet hole, and external air passes through the second air inlet hole and the first air inlet in sequence during suction.
  • the air inlet enters the cavity.
  • the above aerosol generating device provided by the embodiments of the application is provided with an air medium layer surrounding the inner tube outside the inner tube, and the open end of the air medium layer is used as the inlet for air to enter the chamber, and the low conductivity of the air medium layer Convection with the air reduces the heat transfer to the outside of the device housing, thereby reducing the temperature of the housing surface.
  • Fig. 1 is a schematic structural diagram of an aerosol generating device provided by an embodiment of the present application
  • Fig. 2 is a schematic structural diagram of the aerosol generating device in Fig. 1 in another state;
  • Fig. 3 is a schematic diagram of the structure of the aerosol generating device in Fig. 1 in use;
  • FIG. 4 is a schematic cross-sectional structure diagram of the aerosol generating device shown in FIG. 3;
  • Fig. 5 is a schematic structural diagram of the aerosol generating device in Fig. 3 in an extraction state
  • Fig. 6 is a schematic diagram of the structure of the suckable material held in the cylindrical extractor in Fig. 4;
  • Fig. 7 is a schematic cross-sectional view of the smokeable material extracted from the heating mechanism in Fig. 4;
  • Fig. 8 is a schematic structural view of the smokeable material received in the heating structure in Fig. 4;
  • Fig. 9 is an exploded schematic view of each part of the heating mechanism in Fig. 8 before being assembled;
  • FIG. 10 is a schematic structural diagram of an extraction position of an aerosol generating device according to another embodiment of the present application.
  • Fig. 11 is a schematic structural diagram of the aerosol generating device shown in Fig. 10 in an operating position.
  • a smokable material A such as a cigarette
  • the structure and functional composition include:
  • the overall shape of the shell is roughly square, that is, the size along the length direction is larger than the size in the width direction, and the size along the width direction is larger than the size in the thickness direction.
  • the housing 20 is formed in cooperation with each other.
  • the housing has a proximal end 110 and a distal end 120 opposite in the length direction; in use, the proximal end 110 is used as an end close to the user for suction and manipulation of the smokable material A.
  • the proximal end 110 of the housing is provided with a sliding groove 11 extending in the width direction, and the sliding groove 11 is provided with a receiving hole 12; and the sliding groove 11 is provided with a sliding groove 11
  • the sliding cover 30 slides in the direction of the guide, and the receiving hole 12 is opened or closed by the sliding of the sliding cover 30, as shown in the open state shown in FIG. 1 and the closed state shown in FIG. 2.
  • the user can at least partially receive the smokable material A into the housing along the length direction through the receiving hole 12, as shown in FIG. 3, or remove the smokable material A from the housing.
  • FIG. 4 An electromagnetic induction heating mechanism 40 is provided, and a direct current cell 50 for supplying power to the heating mechanism 40 is provided in the lower compartment.
  • the upper casing 10 of the aerosol generating device is provided with an extraction structure for the smokable material A, see FIGS. 4 to 6;
  • the upper housing 10 is provided with a cylindrical extractor 13 which is fixed integrally with the upper housing 10 by riveting or screws, etc.
  • the cylindrical extractor 13 is hollow to form a holding space for holding the smokable material A.
  • the smokable material A is contained and held in the cylindrical extractor 13; further in use, the upper casing 10 and the lower casing 20 are moved relative to each other, thereby By driving the cylindrical extractor 13 to move along the device, the smokable material A can be received in the heating mechanism 40 or separated from the heating mechanism 40.
  • the lower end of the cylindrical extractor 13 is provided with a hole 131, during use, the heating member of the heating mechanism 40 penetrates through the hole 131 to the cylindrical extractor.
  • the smokable material A is heated in the device 13.
  • the heating mechanism 40 includes:
  • the inner tube 41 is configured to extend along the length of the device, and at least a part of its internal space is configured as a cavity 410; in use, the cylindrical extractor 13 holding the smokable material A can be received in the cavity 410 or removed from the chamber 410 to realize the heating and extraction operation of the smokable material A;
  • the stent 42 is configured into a tubular shape extending in the length direction and surrounding the inner tube 41; and is kept at a certain distance from the inner tube 41 in the radial direction to form an air medium layer 420 for heating In the process, the low thermal conductivity of air is used to insulate the chamber 410;
  • the induction coil 43 as a magnetic field generator is configured as a helical coil installed outside the bracket 42 and extending along the axis of the bracket 42; and is used to invert the current provided by the cell 50 into an alternating current. When the induction coil 43 is applied, an alternating magnetic field that penetrates the cavity 410 is generated;
  • the susceptor 44 is configured in the shape of a pin or a blade extending along the axial direction of the cavity 410, and can be penetrated by the changing magnetic field generated by the induction coil 43 to generate heat, thereby heating the smokable material A received in the cavity 140;
  • the susceptor 44 can usually be made of materials with appropriate magnetic permeability, such as permalloy, stainless iron, etc.;
  • the mounting seat 45 is used to install and hold the susceptor 44.
  • the mounting seat 45 is fixed inside the aerosol generating device, and the lower end of the susceptor 44 is held on the mounting seat 45; at the same time, the lower end of the inner tube 41 is also installed Seat 45 provides support.
  • the inner tube 41 is further provided with a number of air intake holes 411 near the lower end; and in use, an air flow path as shown by the arrow R1 in Fig. 7 is formed, and the outside air is close to the lower end. Enter the air medium layer 420 at the position, then enter the chamber 410 through the air inlet 411, and flow into the smokable material A through the hole 131 of the cylindrical extractor to be sucked.
  • the number of air intake holes 411 is relatively large, and they are evenly arranged along the radial direction of the inner tube 41; the suction resistance is kept suitable during the suction process.
  • the lower end of the inner tube 41 is provided with two extensions 412 extending toward the mounting seat 45.
  • the extension 412 surrounds the mounting seat 45;
  • the buckle groove 413 is locked and fixed with the buckle 451 on the mounting seat 45.
  • the extension length of the bracket 42 is relatively shorter than the length of the inner tube 41, and basically avoids the mounting seat 45 in length, thereby preventing the heat of the mounting seat from being transferred to the bracket 42.
  • the embodiment of the present application also proposes yet another resistance heating aerosol generating device, the structure of which is shown in FIG. 10 and FIG. 11; including:
  • the housing is formed by cooperating with the first housing 10a and the second housing 20a arranged in sequence along the length direction.
  • the second housing 20a includes a first part 210a and a second part 220a arranged in sequence along the length; and in use, the first part 210a is wrapped in the first housing 10a, and in use, the first part 210 is It is configured as a bracket for supporting the first housing 10a, and the first housing 10a can move along the length direction at least partially under the guidance of the outer surface of the first part 210a, so as to make the cylinder integrally connected with the first housing 10a.
  • the shape extractor 13a can realize the extraction of the smokable material A.
  • an inner tube 41a is provided in the housing, and the inner space of the inner tube 41a is configured to receive and heat the chamber 410 of the smokable material A; in use, the smokable material A is held by the cylindrical extractor 13a. Removably received in the chamber 410 for heating or removal;
  • the resistance heater 44a is configured in the shape of a pin or a blade extending along the axial direction of the cavity 410, and is inserted into the smokable material A for heating when the smokable material A is received in the cavity 410; at the same time, according to FIG. 10 As shown, the resistance heater 44a is connected to the cell 50a provided in the second part 220a of the second housing 20a through the conductive pin 441a, and the cell 50a provides a direct current to generate resistance heat. Similarly, based on the idea of installing and fixing the resistance heater 44a, a mounting seat 45a is provided in the housing for supporting and holding the inner tube 41a and the resistance heater 44a at the lower end, so that they are stably held in the housing.
  • the first part 210a of the second housing 20a is provided with a first air inlet 211a, and the inner tube 41a is close to the first part 210a.
  • the position of the air inlet 211a is provided with a second air inlet 411a.
  • the external air enters into the housing from the gap of the joint part of the first housing 10a and the second housing 20a, and then sequentially passes through the first housing 10a and the second housing 20a.
  • an air inlet 211a and a second air inlet 411a enter the chamber 410a, they enter the smokable material A through the gap between the hole of the cylindrical extractor 13a and the resistance heater 44a to be sucked.
  • the first air inlet 211a is provided at the end of the first part 210a close to the second part 220a; that is, in use, the first air inlet 211a is close to the first housing 10a and the second housing 10a.
  • the joint gap between the parts 220a is provided.
  • the external air penetrates the housing and the inner tube 41a along the radial direction of the chamber 410a and then enters the chamber 410a, and the air flow is as short as possible during use.
  • the transmission of the in turn reduces the suction resistance.
  • an air medium layer surrounding the inner tube is arranged outside the inner tube, and the open end of the air medium layer is used as the inlet for air to enter the chamber, and the low conduction and air convection of the air medium layer The heat transfer to the outside of the device casing is reduced, thereby reducing the temperature of the casing surface.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Resistance Heating (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

一种气雾生成装置，包括外壳体，外壳体内设有：内管（41，41a），至少一部分中空被配置为接收可抽吸材料（A）的腔室（410，410a）；腔室（410，410a）具有近端（110）和远端（120），可抽吸材料（A）通过近端（110）可移除地接收于腔室（410，410a）内；支架（42），与内管（41，41a）之间形成一围绕内管（41，41a）的空气介质层（420，420a），用于减少腔室（410，410a）的热量向外的传导；空气介质层（420，420a）具有沿长度方向靠近近端（110）的封闭端、以及靠近远端（120）的敞口端；敞口端与腔室（410，410a）气流连通，在抽吸中外部空气能通过敞口端进入腔室（410，410a）内。气雾生成装置，通过在内管（41，41a）外设置围绕内管（41，41a）的空气介质层（420，420a），并通过空气介质层（420，420a）的敞口端作为空气进入腔室的入口，通过空气介质层（420，420a）的低传导和空气对流减少了热量向装置外壳体外的传递，进而降低了外壳体表面的温度。

Description

气雾生成装置
本申请要求于2020年06月24日提交中国专利局，申请号为202021205658.3，发明名称为“气雾生成装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及加热不燃烧烟具技术领域，尤其涉及一种气雾生成装置。
背景技术
烟制品(例如，香烟、雪茄等)在使用过程中燃烧烟草以产生烟草烟雾。人们试图通过制造在不燃烧的情况下释放化合物的产品来替代这些燃烧烟草的制品。
此类产品的示例为加热装置，其通过加热而不是燃烧材料来释放化合物。例如，该材料可为烟草或其他非烟草产品，这些非烟草产品可包含或可不包含尼古丁。作为另一示例，存在有通过加热器对烟草产品进行加热使其释放化合物生成气溶胶的加热装置。比如：作为已知技术的201280070578.3号专利提出了一种适合于加热装置的抽吸过程中的气流路径的设计。以上已知装置在使用中，加热器的热量会沿径向向外辐射或传递至装置的外壳，使外壳的温度升高。
发明内容
为了解决现有技术中的气雾生成装置外壳温度升高的问题，本申请实施例提供一种具有阻止外壳温度升高的气雾生成装置。
本申请实施例提出一种气雾生成装置，用于加热可抽吸材料生成供吸食的气溶胶；所述装置包括外壳体，所述外壳体内设有：
内管，被构造成沿所述壳体的长度方向延伸，且所述内管的至少一部分中空被配置为接收并加热可抽吸材料的腔室；所述腔室具有沿所述长度方向相对的近端和远端，可抽吸材料通过所述腔室的近端可移除地接收于所述腔室内；
支架，与所述内管之间形成一空气介质层；所述空气介质层被构造成沿所述内管的长度方向延伸并围绕所述内管，用于减少所述腔室的热量沿径向向外 的传导；所述空气介质层具有沿长度方向靠近所述近端的封闭端、以及靠近所述远端的敞口端；所述敞口端与所述腔室气流连通，进而在抽吸中外部空气能通过所述敞口端进入所述腔室内。
在优选的实施中，所述内管的管壁上设有靠近所述腔室的远端设置的第一进气孔；所述第一进气孔与所述空气介质层的敞口端气流连通，进而在抽吸中使由所述敞口端进入的外部空气通过所述第一进气孔进入所述腔室内。
在优选的实施中，所述装置还包括：
磁场发生器，所述磁场发生器安设于所述支架，所述磁场发生器用于产生变化的磁场；
感受器，被构造成至少部分沿所述腔室的轴向延伸的销钉或片状，并能被所述变化的磁场穿透而发热，进而当可抽吸材料接收于所述腔室内时插入至可抽吸材料中进行加热。
在优选的实施中，所述支架具有沿长度方向靠近所述近端的第一端、以及靠近所述远端的第二端；其中，
所述第一端与内管连接，进而在第一端处形成所述空气介质层的封闭端；所述第二端被构造为自由端，进而在第二端处形成所述空气介质层的敞口端。
在优选的实施中，所述装置还包括：
安装座，靠近所述腔室的远端设置，配置为对所述感受器提供支撑；
所述支架沿所述内管的长度方向的延伸长度基本避开所述安装座，以阻止所述安装座的热量向所述支架传导。
在优选的实施中，所述第一进气孔沿所述支架的长度方向与所述第一端的距离小于所述支架的长度，进而在抽吸中外部空气于所述空气介质层内由所述敞口端向封闭端的方向流向所述第一进气孔。
在优选的实施中，所述内管至少部分包围所述安装座。
在优选的实施中，所述气雾生成装置被构造成在抽吸过程中外部空气的至少一部分沿所述腔室的径向方向由所述第一进气孔流向所述感受器。
在优选的实施中，其特征在于，所述外壳体包括第一壳体和第二壳体；其中，
所述第二壳体的至少一部分被构造成所述支架；
所述第一壳体的至少部分围绕所述支架并由该支架支撑；所述第一壳体可沿所述长度方向相对所述第二壳体移动以提取接收于所述腔室的可抽吸材料。
在优选的实施中，所述第二壳体上设有与所述第一进气孔气流连通的第二进气孔，在抽吸中外部空气依次经所述第二进气孔和第一进气孔进入所述腔室内。
本申请实施例提供的以上气雾生成装置，通过在内管外设置围绕内管的空气介质层，并通过空气介质层的敞口端作为空气进入腔室的入口，通过空气介质层的低传导和空气对流减少了热量向装置壳体外的传递，进而降低了壳体表面的温度。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本申请的一个实施例提供的气雾生成装置的结构示意图；
图2是图1中气雾生成装置又一状态的结构示意图；
图3是图1中气雾生成装置使用状态的结构示意图；
图4是图3所示气雾生成装置的剖面结构示意图；
图5是图3中气雾生成装置在提取状态的结构示意图；
图6是图4中可抽吸材料保持于筒状提取器的结构示意图；
图7是图4中可抽吸材料从加热机构提取下的剖面示意图；
图8是图4中可抽吸材料接收于加热结构的结构示意图；
图9是图8中加热机构各部分未装配前的分解示意图；
图10是本申请的又一个实施例的气雾生成装置提取位置的结构示意图；
图11是图10所示的气雾生成装置在操作位置的结构示意图。
具体实施方式
为了便于理解本申请，下面结合附图和具体实施方式，对本申请进行更详细的说明。
本申请一实施例提出的气雾生成装置，其构造可以参见图1至图3，其用于接收可抽吸材料A例如烟支并对其进行加热，使其至少一种挥发性成分挥发形成供吸食的气溶胶；基于功能所需，结构和功能组成上包括：
壳体，整体形状大致呈方形形状，即沿长度方向的尺寸大于宽度方向的尺寸、沿宽度方向的尺寸大于厚度方向的尺寸；其中，壳体由沿长度方向依次设置的上壳体10和下壳体20共同配合形成。壳体具有沿长度方向相对的近端110和远端120；在使用中近端110用作为靠近用户进行可抽吸材料A的抽吸和操作的端部。
进一步根据图1至图3所示，壳体的近端110设置有沿宽度方向延伸的滑槽11，滑槽11内设置有接收孔12；并且，滑槽11内设置有可沿滑槽11的导向方向滑动的滑盖30，并通过该滑盖30的滑动打开或者关闭接收孔12，如图1所示的打开状态和图2所示的关闭状态。在使用中，用户可以通过该接收孔12将可抽吸材料A沿长度方向至少部分地接收至壳体内如图3所示，或者将可抽吸材料A从壳体内移除。
进一步为了使气雾生成装置的功能完整实施，气雾生成装置详细的内容构造如图4所示；壳体内的空间被分隔成沿长度方向依次设置的两个隔室，其中位于上方的隔室内设置有电磁感应加热机构40、位于下方的隔室内设置有用于为加热机构40供电的直流电芯50。
进一步为了便于可抽吸材料A于加热机构60内的接收和移除操作，气雾生成装置的上壳体10上设置有用于可抽吸材料A的提取结构，参见图4至图6；
上壳体10内设置有与上壳体10通过铆压或者螺钉等方式等固定成一体的筒状提取器13，该筒状提取器13内部中空形成用于保持可抽吸材料A的保持空 间，如图6所示，可抽吸材料A是被容纳和保持在该筒状提取器13内的；进一步在使用中，通过将上壳体10与下壳体20进行相对的移动操作，从而带动筒状提取器13沿装置的移动，即可使携带可抽吸材料A接收于加热机构40或者与加热机构40分离。
当然，进一步从图6所示的优选实施中可以看出，筒状提取器13下端设置有孔眼131，在使用中后续用于供加热机构40的加热部件通过该孔眼131穿入至筒状提取器13内加热可抽吸材料A。
进一步参见图7至图10，加热机构40包括：
内管41，被构造成沿装置的长度方向延伸，其内部空间的至少一部分被配置为腔室410；在使用中，保持有可抽吸材料A的筒状提取器13可以通过接收于腔室410内或者从腔室410内移除，实现可抽吸材料A的加热和提取操作；
支架42，该支架42被构造成沿长度方向延伸并围绕内管41的管状形状；并且在沿径向方向上与内管41保持有一定的间距，形成一空气介质层420，用于在加热过程中利用空气的低导热系数的特性对腔室410绝热；
作为磁场发生器的感应线圈43，被构造成安设于支架42外并呈沿支架42的轴向延伸的螺旋线圈；并被用于在将电芯50提供的电流逆变呈交变电流后提供给感应线圈43时，产生穿透腔室410的交变磁场；
感受器44，被构造成沿腔室410的轴向延伸的销钉或者刀片的形状，并可以被感应线圈43产生的变化磁场穿透而发热进而加热接收于腔室140内的可抽吸材料A；感受器44通常可以采用具有适当磁导率的材质制备，比如坡莫合金、不锈铁等；
用于安装和保持感受器44的安装座45，使用中安装座45是固定在气雾生成装置的内部的，而感受器44的下端保持在安装座45上；同时，内管41的下端也是由安装座45提供支撑的。
进一步根据图7和图9所示的优选实施，内管41靠近下端部位还设置有若干进气孔411；进而在使用中形成如图7中箭头R1所示的气流路径，外部空气从靠近下端的位置进入空气介质层420，再通过进气孔411进入至腔室410内，并通过筒状提取器的孔眼131流入至可抽吸材料A内被抽吸。
进一步根据图7和图9所示，若干进气孔411的数量比较多，并且是沿着内管41的径向方向均匀布置的；保持在抽吸的过程中吸阻适合。
同时，根据图9所示的优选实施，内管41的下端设置有两个朝安装座45延伸出的延长部412，在实施中该延长部412将安装座45包围；并且通过其上设置的扣槽413与安装座45上的卡扣451卡合固定。
而支架42的延伸长度相对比内管41的长度短，并且在长度上基本是避开安装座45的，进而防止安装座的热量传递至支架42。
进一步地，本申请实施例还提出又一种电阻式加热的气雾生成装置，其结构参见图10和图11所示；包括：
壳体，由沿长度方向依次设置的第一壳体10a和第二壳体20a共同配合形成。进一步第二壳体20a包括沿长度方向依次设置的第一部分210a和第二部分220a；并且在使用中，第一部分210a是被包覆在第一壳体10a内的，在使用中第一部分210被构造成用于支撑第一壳体10a的支架，并且第一壳体10a可以沿着长度方向至少部分在第一部分210a的外表面的引导下移动，进而使与第一壳体10a一体连接的筒状提取器13a能实现可抽吸材料A的提取。
进一步，壳体内设置有内管41a，该内管41a的内部空间被构造成接收并加热可抽吸材料A的腔室410；在使用中可抽吸材料A在筒状提取器13a的保持下可移除地接收于腔室410内加热或移除；
电阻加热器44a，被构造成沿腔室410的轴向延伸的销钉或者刀片状，当可抽吸材料A接收于腔室410内时插入至可抽吸材料A内进行加热；同时根据图10所示，电阻加热器44a通过导电引脚441a连接至设置于第二壳体20a的第二部分220a中的电芯50a，并由电芯50a提供直流电流进而电阻发热。同样，基于电阻加热器44a的安装和固定的立意，在壳体内设置有安装座45a，用于在下端对内管41a和电阻加热器44a提供支撑和保持，使它们稳定地保持于壳体内。
进一步地，在抽吸过程中的气流路径上参见图10和图11中箭头R1所示，第二壳体20a的第一部分210a上设置有第一进气孔211a、内管41a上靠近第一进气孔211a的位置设置有第二进气孔411a，则在抽吸的过程中，外部空气从第一壳体10a和第二壳体20a结合部分的缝隙进入至壳体内，而后依次通过第一 进气孔211a和第二进气孔411a进入至腔室410a内后，再由筒状提取器13a的孔眼与电阻加热器44a之间的缝隙进入至可抽吸材料A内被抽吸。
进一步地，在优选的实施中，第一进气孔211a被设置于第一部分210a靠近第二部分220a的端部；即在使用中第一进气孔211a是靠近第一壳体10a与第二部分220a之间的接合缝隙设置的。
在使用中根据箭头R1所示的气流路径，外部的空气基本上沿着腔室410a的径向方向贯穿壳体和内管41a后进而进入至腔室410a内的，进而使用中气流尽可能短的传递进而降低抽吸吸阻。
同时，第二壳体20a的第一部分210a与内管41a之间保持有一定的间距，以形成空气介质层420a，用于在加热过程中利用空气的低导热系数的特性对腔室410绝热。
本申请的以上气雾生成装置，通过在内管外设置围绕内管的空气介质层，并通过空气介质层的敞口端作为空气进入腔室的入口，通过空气介质层的低传导和空气对流减少了热量向装置壳体外的传递，进而降低了壳体表面的温度。
需要说明的是，本申请的说明书及其附图中给出了本申请的较佳的实施例，但并不限于本说明书所描述的实施例，进一步地，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本申请所附权利要求的保护范围。

Claims (10)

  1. 一种气雾生成装置，用于加热可抽吸材料生成供吸食的气溶胶，其特征在于，所述装置包括外壳体，所述外壳体内设有：
    内管，被构造成沿所述壳体的长度方向延伸，且至少一部分中空被配置为接收可抽吸材料的腔室，所述腔室具有沿所述长度方向相对的近端和远端，可抽吸材料通过所述近端可移除地接收于所述腔室内；
    支架，与所述内管之间形成一空气介质层，所述空气介质层被构造成沿所述内管的长度方向延伸并围绕所述内管，用于减少所述腔室的热量沿径向向外的传导，所述空气介质层具有沿长度方向靠近所述近端的封闭端、以及靠近所述远端的敞口端，所述敞口端与所述腔室气流连通，进而在抽吸中外部空气能通过所述敞口端进入所述腔室内。
  2. 如权利要求1所述的气雾生成装置，其特征在于，所述内管的管壁上设有靠近所述腔室的远端设置的第一进气孔，所述第一进气孔与所述空气介质层的敞口端气流连通，进而在抽吸中使由所述敞口端进入的外部空气通过所述第一进气孔进入所述腔室内。
  3. 如权利要求2所述的气雾生成装置，其特征在于，所述装置还包括：
    磁场发生器，所述磁场发生器安设于所述支架，所述磁场发生器用于产生变化的磁场；
    感受器，被构造成至少部分沿所述腔室的轴向延伸的销钉或片状，并能被所述变化的磁场穿透而发热，进而当可抽吸材料接收于所述腔室内时插入至可抽吸材料中进行加热。
  4. 如权利要求3所述的气雾生成装置，其特征在于，所述支架具有沿长度方向靠近所述近端的第一端、以及靠近所述远端的第二端；其中，
    所述第一端与内管连接，进而在第一端处形成所述空气介质层的封闭端；所述第二端被构造为自由端，进而在第二端处形成所述空气介质层的敞口端。
  5. 如权利要求3所述的气雾生成装置，其特征在于，所述装置还包括：
    安装座，靠近所述腔室的远端设置，配置为对所述感受器提供支撑；
    所述支架沿所述内管的长度方向的延伸长度基本避开所述安装座，以阻止所述安装座的热量向所述支架传导。
  6. 如权利要求4所述的气雾生成装置，其特征在于，所述第一进气孔沿所述支架的长度方向与所述第一端的距离小于所述支架的长度，进而在抽吸中外部空气于所述空气介质层内由所述敞口端向封闭端的方向流向所述第一进气孔。
  7. 如权利要求5所述的气雾生成装置，其特征在于，所述内管至少部分包围所述安装座。
  8. 如权利要求3所述的气雾生成装置，其特征在于，所述气雾生成装置被构造成在抽吸过程中外部空气的至少一部分沿所述腔室的径向方向由所述第一进气孔流向所述感受器。
  9. 如权利要求1所述的气雾生成装置，其特征在于，所述外壳体包括第一壳体和第二壳体；其中，
    所述第二壳体的至少一部分形成所述支架，所述第一壳体至少部分围绕所述支架并由所述支架支撑，所述第一壳体能沿长度方向相对所述第二壳体移动，以提取接收于所述腔室的可抽吸材料。
  10. 如权利要求9所述的气雾生成装置，其特征在于，所述第二壳体上设有与所述第一进气孔气流连通的第二进气孔，在抽吸中外部空气依次经所述第二进气孔和第一进气孔进入所述腔室内。
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US20230248063A1 (en) 2023-08-10
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