WO2021204286A1 - 气雾生成装置及感受器 - Google Patents

气雾生成装置及感受器 Download PDF

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Publication number
WO2021204286A1
WO2021204286A1 PCT/CN2021/086435 CN2021086435W WO2021204286A1 WO 2021204286 A1 WO2021204286 A1 WO 2021204286A1 CN 2021086435 W CN2021086435 W CN 2021086435W WO 2021204286 A1 WO2021204286 A1 WO 2021204286A1
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WO
WIPO (PCT)
Prior art keywords
chamber
susceptor
smokable material
generating device
heating
Prior art date
Application number
PCT/CN2021/086435
Other languages
English (en)
French (fr)
Inventor
李军辉
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 EP21784823.3A priority Critical patent/EP4133956A4/en
Priority to US17/918,126 priority patent/US20230136305A1/en
Publication of WO2021204286A1 publication Critical patent/WO2021204286A1/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
    • A24F40/46—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
    • 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
    • H05B6/06—Control, e.g. of temperature, of power
    • 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

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 and a susceptor.
  • Tobacco products e.g., cigarettes, cigars, etc.
  • tobacco-burning products by making products that release compounds without burning.
  • the material may be tobacco or other non-tobacco products, which may or may not contain nicotine.
  • an electromagnetic induction heating method is used to heat tobacco products.
  • the induction heating element that is penetrated by the magnetic field and generates heat is usually made of stainless iron or permalloy material with excellent magnetic permeability. preparation.
  • the structure of the heating device is shown in FIG. 1. When the smoking article 1 is received in the heating device, the susceptor 2 is penetrated by the alternating magnetic field generated by the induction coil 3 to induce heat, thereby heating the smoking article 1. As shown in Fig.
  • the susceptor 2 can be a needle-like or a blade-like structure, and can be inserted into the cigarette 1 received in the device for heating. In use, the entire part of the susceptor 2 inserted into the cigarette 1 is in contact with the cut tobacco of the cigarette 1, so that the length of the contact between the tobacco and the susceptor 2 is heated to form relatively brittle and hard slag, and when the cigarette 1 When removed from the heating device, the debris falls into the device and contaminates the device.
  • embodiments of the present application provide an aerosol generating device and a susceptor that reduce the falling of broken slag.
  • the aerosol generating device proposed in this application is used to heat a smokable material to generate aerosol, including:
  • the chamber is used to receive the smokable material and has a proximal end and a distal end opposite in the axial direction;
  • Magnetic field generator configured to generate a changing magnetic field
  • the susceptor is configured to be penetrated by the changing magnetic field to generate heat, and is configured to extend at least partially along the axial direction of the chamber from the distal end to the proximal end, and then act as a smokable material in use When received in the cavity, it is inserted into the smokable material for heating;
  • the susceptor includes an avoiding part and a heating part that are sequentially arranged in a direction close to the proximal end; at least a part of the avoiding part has a dimension in the cross-sectional direction of the chamber smaller than that of the heating part in the cross-sectional direction of the chamber.
  • the size is such that when the susceptor is inserted into the smokable material, a certain gap is maintained between the escape portion and the smokable material.
  • the extension length of the avoiding part in the axial direction is 1 to 5 mm.
  • the dimension of at least a part of the avoiding part in the cross-sectional direction of the chamber is smaller than the dimension of the heating part in the cross-sectional direction of the chamber by 1 to 3 mm.
  • the size of the heating part along the cross-sectional direction of the chamber is substantially constant.
  • the size of the avoiding portion along the cross-sectional direction of the chamber is substantially constant.
  • the dimension of the avoiding part along the cross-sectional direction of the chamber gradually increases in the direction close to the heating part.
  • the susceptor is provided with an axially extending accommodating cavity, and a temperature sensor for sensing the temperature of the susceptor is contained or encapsulated in the accommodating cavity.
  • the susceptor further includes a base part, and the heating part and the avoiding part are kept in the cavity through the base part.
  • the avoiding portion and the heating portion are configured as a sheet extending along the axial direction of the chamber, and the size of the avoiding portion in the width direction is smaller than that of the heating portion in the width direction.
  • the size is such that when at least part of the susceptor is inserted into the smokable material, the gap is formed between the avoiding portion and the smokable material along the width direction of the susceptor.
  • the evacuated portion is flush with the surface of the distal end of the chamber at the distal end of the chamber.
  • the present application also proposes a susceptor for an aerosol generating device for inserting into the smokeable material received in the aerosol generating device for heating.
  • the susceptor has a heating part and a avoidance arranged in sequence along the length direction.
  • the dimension of at least a part of the avoiding part in the cross-sectional direction of the chamber is smaller than the dimension of the heating part in the cross-sectional direction of the chamber, so that when the susceptor is inserted into the smokable material, the avoiding Keep a certain gap between the part and the smokable material.
  • the front end of the smokable material inserted into the chamber is less heated without forming burnt paste or crumbs and has a better physical form, and then acts as a smokable material When removed from the chamber, it can keep and block the smoke slag falling from the inside to the outside, and reduce the falling of the smoke slag to keep the chamber and the susceptor clean.
  • Figure 1 is a schematic diagram of an electromagnetic induction heating device in the prior art
  • FIG. 2 is a schematic diagram of the structure of an aerosol generating device proposed in an embodiment
  • Fig. 3 is a schematic diagram of the structure of the susceptor in Fig. 2;
  • FIG. 4 is a schematic diagram of the structure of a susceptor proposed in another embodiment
  • Figure 5 is a schematic structural diagram of a susceptor proposed in another embodiment
  • Fig. 6 is a schematic structural diagram of a susceptor proposed in another embodiment
  • FIG. 7 is a schematic structural diagram of a susceptor proposed in another embodiment
  • FIG. 8 is a schematic diagram of the temperature sensor packaged in the susceptor in FIG. 7.
  • FIG. 2 The structure of the aerosol generating device proposed in an embodiment of the present application is shown in FIG. 2 and includes:
  • the smokable material A such as cigarettes, is removably received in the cavity;
  • the inductance coil L as a magnetic field generator is used to generate an alternating magnetic field under an alternating current
  • the susceptor 30, at least a part of which extends in the chamber, and is configured to be inductively coupled with the inductive coil L, generates heat under the penetration of the alternating magnetic field, and then heats the smokable material A to make at least one of the smokable material A
  • the components volatilize to form an aerosol for inhalation;
  • the cell 10 is a rechargeable DC cell, which can provide DC voltage and DC current;
  • the circuit 20 is electrically connected to the rechargeable battery core 10, and converts the direct current output by the battery core 10 into alternating current with a suitable frequency and then supplies it to the inductor L.
  • the smokable material A may include one or more of the following smoke-flavored materials wrapped by an external wrapper such as wrapping paper: powder, granules, pellets, fragments, strands, strips or flakes, specifically Contains one or more of the following: grass leaves, tobacco leaves, tobacco main veins, expanded tobacco, homogenized tobacco, and glycerin as an aerosol forming agent, so that inhalable aerosols can be generated when heated.
  • an external wrapper such as wrapping paper: powder, granules, pellets, fragments, strands, strips or flakes, specifically Contains one or more of the following: grass leaves, tobacco leaves, tobacco main veins, expanded tobacco, homogenized tobacco, and glycerin as an aerosol forming agent, so that inhalable aerosols can be generated when heated.
  • the inductor coil L may include a cylindrical inductor coil wound in a spiral shape, as shown in FIG. 2.
  • the cylindrical inductor coil L wound in a spiral shape may have a radius r ranging from about 5 mm to about 10 mm, and in particular, the radius r may be about 7 mm.
  • the length of the spirally wound cylindrical inductor coil L may be in the range of about 8 mm to about 14 mm, and the number of turns of the inductor coil L may be in the range of about 8 turns to 15 turns.
  • the internal volume may be in the range of about 0.15 cm3 to about 1.10 cm3.
  • the frequency of the alternating current supplied by the circuit 20 to the inductance coil L is between 80KHz and 400KHz; more specifically, the frequency may be in the range of about 200KHz to 300KHz.
  • the DC power supply voltage provided by the cell 10 is in the range of about 2.5V to about 9.0V, and the amperage of the DC current that the cell 10 can provide is in the range of about 2.5A to about 20A.
  • the aerosol generating device further includes a tubular support 40 for arranging the inductance coil L and the susceptor 30.
  • the material of the tubular support 40 may include high temperature resistant non-metallic materials such as PEEK or ceramics, etc.
  • at least a part of the internal space of the tubular stent 40 forms a cavity for receiving the smokable material A, and the inductance coil L is arranged on the outer wall of the tubular stent 40 in a spiral winding manner.
  • the cavity formed by the tubular hollow of the tubular stent 40 has a proximal end 41 and a distal end 42 opposite in the axial direction; the proximal end 41 is configured as an open mouth to facilitate suction Receiving and removal of material A; the distal end 42 is a closed end for the smokable material A to abut to provide a stop for the smokable material A, and the susceptor 30 extends from the distal end 42 to the proximal end 41.
  • the structure of the susceptor 30 can be seen in Figs. 2 and 3, and the whole is roughly in the shape of a needle or pin extending at least partially along the axial direction of the chamber; in implementation, the susceptor 30 as a whole can have a range of about 12 ⁇ 18mm in length, and about 2.5 ⁇ 5mm in outer diameter. In detail, it includes in order along the axial direction:
  • the heating part 31 is located in the chamber after assembly, and is used to insert the smokeable material A for heating;
  • the avoiding part 32 which is located in the chamber after assembly, has an outer diameter smaller than that of the heating part 31. In use, it can be inserted into the smokeable material A along with the heating part 31 and can maintain the same with the smokeable material A.
  • a certain gap 50 is in a non-contact state; in turn, the part of the smokable material A that is in contact with the heating part 31 can be heated more through contact transfer, and the part corresponding to the avoiding part 32 can be relatively less Be heated to prevent the front end of the smokable material A from being heated to burnt or brittle solid slag.
  • the front end of the smokable material A has a better shape and is basically not attached to the susceptor 30. When the smokable material A is removed from the chamber and separated from the susceptor 30 In the process, it can reduce the falling of smoke or debris.
  • the distal end 42 of the chamber is used to abut the smokeable material A and provide a stop, and then in implementation, the avoiding part 32 is at the distal end 42 and the distal end of the chamber.
  • the surface of 42 is flat.
  • the length of the pass-through portion 32 is set at about 1 to 5 mm, and the outer diameter is smaller than the outer diameter of the heating portion 31 by 1 to 3 mm is optional.
  • the susceptor 30 in order to facilitate the installation and fixation of the susceptor 30 in the tubular support 40; the susceptor 30 also includes:
  • the first base portion 33 and the second base portion 34 having an outer diameter larger than that of the first base portion 33 are correspondingly arranged in the tubular support 40 in use, and then the susceptor 30 is fixed and held by abutting against the second base portion 34
  • the retaining cavity of the susceptor 30 can be stably installed in the tubular stent 40.
  • the outer diameter of the second base part 34 is relatively larger than the heating part 31.
  • the outer diameter of the heating part 31 is basically constant, in order to ensure that the heating part 31 of the susceptor 30 can be fully contacted when inserted into the smokable material A, so as to fully conduct heat conduction.
  • the outer diameter of the avoiding portion 32 can be non-constant on the basis that the gap 50 can be formed.
  • the structure of the susceptor 30a in the implementation of another variant is shown in FIG. 4, the part of the avoiding part 32a close to the heating part 31a is configured to have a shape with a gradually increasing outer diameter, and its surface is in a state such as an inclined arc surface. , When the smokable material A is removed, it has a lower frictional resistance with the susceptor 30a, which promotes the smokable material A to be separated from the susceptor 30a more smoothly and reduces the falling out of smoke residue.
  • the base part 33a is used to assist the installation and fixation of the susceptor 30a.
  • the whole of the susceptor 30b and the heating portion 31b are configured to be roughly blade-shaped, and thus have a larger surface area for contacting and transferring heat to the smokable material A than that.
  • the evacuated portion 32b is formed by notches provided inwardly on both sides of the susceptor 30b in the width direction; at the same time, in order to facilitate installation, it also has a first base portion 33b and a second base portion 34b with different outer diameters, so that It is easy to bear and fix after installation.
  • the structure of the susceptor 30c is shown in Fig. 6, which is composed of two parts spliced together; specifically, it includes:
  • the heating part 31c and the avoiding part 32c can be made of a metal material with appropriate magnetic permeability that can be penetrated by a magnetic field to generate heat, such as permalloy, stainless iron, etc.;
  • the first base portion 33c and the second base portion 34c may be made of paper with low thermal conductivity, such as zirconia ceramics, alumina ceramics, or organic polymer materials, so that the susceptor 30 is assembled on the tubular support 40 After being internalized, heat conduction can be minimized to prevent thermal damage to the tubular bracket 40; wherein a slot 331c is provided on the first base portion 33c, and at least a part of the avoiding portion 32c is inserted into the slot 331c during assembly Tightly fit or fix into a whole after the inside.
  • the extension length of the slot 311c is smaller than the length of the avoiding portion 32c, and a part of the avoiding portion 32c is still exposed after assembly, so that the aforementioned gap 50 is formed during use.
  • the susceptor 30d has a containing cavity extending in the axial direction; the containing cavity has an axially extending first portion included in the heating portion 31d and the avoiding portion 32d A portion 351d and a second portion 352d extending axially of the first base portion 33d and the second base portion 34d.
  • the temperature sensor 60d used to encapsulate the temperature of the sensor 30d in the accommodating cavity, and the temperature sensor 60d is closely attached to the inner wall of the heating part 31d by means of glue or the like to sense the heating temperature; of course, the temperature sensor 60d
  • the conductive pins can penetrate to the outside of the second base portion 34d to facilitate the connection of the temperature sensor 60d with the circuit 20, so as to facilitate the supply of power to the temperature sensor 60d and receive sensing signals.
  • the smokable material A is inserted into the cavity within a range of about a few millimeters at the front end of the chamber, and there is no contact with the susceptor 30 and there is a gap of about several millimeters, so that the smokable material A is inserted into the cavity.
  • This part of the front end of the chamber is less heated, so that this part does not form burnt paste or brittle slag and has a better physical form; when the smokeable material A is sucked and removed from the chamber, it can affect the interior The smoke slag falling out is maintained and blocked to keep the chamber and the susceptor clean.

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  • Electromagnetism (AREA)
  • Resistance Heating (AREA)
  • General Induction Heating (AREA)

Abstract

一种气雾生成装置及感受器（30），其中，气雾生成装置包括：用于接收可抽吸材料（A）的腔室，以及至少部分地沿腔室的轴向延伸的感受器（30），在使用中当可抽吸材料（A）接收于腔室内时感受器（30）插入至可抽吸材料（A）进行加热；感受器（30）包括沿靠近近端（41）的方向依次设置的避空部分（32）和加热部分（31）；避空部分（32）的至少一部分沿腔室横截面方向的尺寸小于加热部分（31），以使得当感受器（30）插入至可抽吸材料（A）时与可抽吸材料（A）之间保持一定的间隙。在使用中，可抽吸材料（A）插入至腔室内的前端较少地被加热而不形成焦糊或者脆渣并具有较好的物理形态，进而当可抽吸材料（A）从腔室移除时能对内部向外掉出的烟渣进行保持和阻挡，减少烟渣的掉出保持腔室和感受器（30）的清洁。

Description

气雾生成装置及感受器
本申请要求于2020年04月11日提交中国专利局，申请号为202010281797.2，发明名称为“气雾生成装置及感受器”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及感受器。
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。在一个现有的加热装置实例中，采用电磁感应式的加热方式对烟草产品进行加热，其中作为被磁场穿透发热的感应加热元件通常采用具有优良导磁性能的不锈铁或者坡莫合金材料制备。该加热装置其结构参见图1所示，当烟制品1被接收在加热装置内时，感受器2被感应线圈3产生的交变磁场穿透从而感应发热，进而对烟制品1进行加热。根据图1所示，感受器2形状可以是针式或者是刀片状的构造，可以插入至接收在装置的烟支1内部进行加热。在使用中整个感受器2插入烟支1内部的部分与烟支1的烟丝均是接触的，使得烟丝和感受器2接触的长度范围内都被加热形成比较脆硬的碎渣，而当烟支1从加热装置中移除时碎渣掉落在装置内污染装置。
发明内容
为了解决现有技术中的针式或刀片状的感受器插入烟支内加热烟支产生碎渣掉出的问题，本申请实施例提供一种减少碎渣掉出的气雾生成装置和感受器。
本申请提出的气雾生成装置，用于加热可抽吸材料生成气溶胶，包括：
腔室，用于接收所述可抽吸材料，并具有沿轴向方向相对的近端和远端；
磁场发生器，被配置为产生变化的磁场；
感受器，被配置为被所述变化的磁场穿透而发热，并被构造成至少部分地沿所述腔室的轴向从所述远端向近端延伸，进而在使用中当可抽吸材料接收于所述腔室内时插入至可抽吸材料进行加热；
所述感受器包括沿靠近所述近端的方向依次设置的避空部分和加热部分；所述避空部分的至少一部分沿腔室横截面方向的尺寸小于所述加热部分沿腔室横截面方向的尺寸，以使得当所述感受器插入至可抽吸材料时所述避空部分与可抽吸材料之间保持一定的间隙。
在优选的实施中，所述避空部分沿轴向方向的延伸长度为1～5mm。
在优选的实施中，所述避空部分的至少一部分沿腔室横截面方向的尺寸比所述加热部分沿腔室横截面方向的尺寸小1～3mm。
在优选的实施中，所述加热部分沿腔室横截面方向的尺寸基本是恒定的。
在优选的实施中，所述避空部分沿腔室横截面方向的尺寸基本是恒定的。
在优选的实施中，所述避空部分沿腔室横截面方向的尺寸沿靠近所述加热部分的方向逐渐增大。
在优选的实施中，所述感受器内设有沿轴向延伸的容纳腔，所述容纳腔内容纳或封装有用于感测所述感受器温度的温度传感器。
在优选的实施中，所述感受器还包括基座部分，并通过该基座部分使所述加热部分和避空部分保持于所述腔室内。
在优选的实施中，所述避空部分和加热部分被构造成沿所述腔室的轴向延伸的片状，且所述避空部分沿宽度方向的尺寸小于所述加热部分沿宽度方向的尺寸，以使得当所述感受器的至少部分插入至可抽吸材料时所述避空部分沿所述感受器的宽度方向与可抽吸材料之间形成所述间隙。
在优选的实施中，所述避空部分在所述腔室的远端处与所述腔室的远端的表面是平齐的。
本申请还提出一种用于气雾生成装置的感受器，用于插入至接收于所述气雾生成装置内的可抽吸材料进行加热，所述感受器具有沿长度方向依次设置的加热部分和避空部分，所述避空部分的至少一部分沿腔室横截面方向的尺寸小 于所述加热部分沿腔室横截面方向的尺寸，以使得当所述感受器插入至可抽吸材料时所述避空部分与可抽吸材料之间保持一定的间隙。
以上气雾生成装置和感受器在使用中，可抽吸材料插入至腔室内的前端的被较少地被加热而不形成焦糊或者脆渣并具有较好的物理形态，进而当可抽吸材料从腔室移除时能对内部向外掉出的烟渣进行保持和阻挡，减少烟渣的掉出保持腔室和感受器的清洁。
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是现有技术中电磁感应式的加热装置的示意图；
图2是一实施例提出的气雾生成装置的结构示意图；
图3是图2中感受器的结构示意图；
图4是又一个实施例提出的感受器的结构示意图；
图5是又一个实施例提出的感受器的结构示意图；
图6是又一个实施例提出的感受器的结构示意图；
图7是又一个实施例提出的感受器的结构示意图；
图8是图7中感受器内封装温度传感器的示意图。
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，其构造参见图2所示，包括：
腔室，可抽吸材料A例如烟支可移除地接收在腔室内；
作为磁场发生器的电感线圈L，用于在交变电流下产生交变磁场；
感受器30，至少一部分在腔室内延伸，并被配置为与电感线圈L感应耦合，在被交变磁场穿透下发热，进而对可抽吸材料A进行加热，使可抽吸材料A的至少一种成分挥发，形成供抽吸的气溶胶；
电芯10，为可充电的直流电芯，可以提供直流电压和直流电流；
电路20，通过电连接到可充电的电芯10，并将电芯10输出的直流，转变成具有适合频率的交流再供应到电感线圈L。
可抽吸材料A在实施中可以是包括由外部包裹件例如包装纸包裹的如下的一种或多种烟味材料：粉末、颗粒、丸粒、碎片、线股、带条或薄片，具体其包含如下的一种或多种：草叶、烟叶、烟草主脉、膨胀烟草、均化烟草，以及甘油作为气雾形成剂，进而使得在被加热时能够生成可吸入的气溶胶。
根据产品使用中的设置，电感线圈L可以包括绕成螺旋状的圆柱形电感器线圈，如图2中所示。绕成螺旋状的圆柱形电感线圈L可以具有范围在大约5mm到大约10mm内的半径r，并特别地半径r可以大约为7mm。绕成螺旋状的圆柱形电感线圈L的长度可以在大约8mm到大约14mm的范围内，电感线圈L的匝数大约8匝到15匝的范围内。相应地，内体积可能在大约0.15cm3至大约1.10cm3的范围内。
在更加优选的实施中，电路20供应到电感线圈L的交变电流的频率介于80KHz～400KHz；更具体地，频率可以在大约200KHz～300KHz的范围。
在一个优选的实施例中，电芯10提供的直流供电电压在约2.5V至约9.0V的范围内，电芯10可提供的直流电流的安培数在约2.5A至约20A的范围内。
在图2所示的实施例中，气雾生成装置还包括用于布置电感线圈L和感受器30的管状支架40，如图2所示，该管状支架40的材质可以包括耐高温非金属材料比如PEEK或者陶瓷等。在实施中，该管状支架40的内部空间的至少一部分形成用于接收可抽吸材料A的腔室，而电感线圈L采用螺旋缠绕的方式布置在管状支架40的外壁上。
进一步根据图2所示的优选实施中，由管状支架40的管状中空形成的腔室具有沿轴向方向相对的近端41和远端42；近端41被构造成敞口，便于可抽吸材料A的接收和移除；远端42是封闭端用于供可抽吸材料A抵靠从而为可抽吸材料A提供止动，而感受器30是由远端42向近端41延伸。
进一步感受器30的构造可以参见图2和图3所示，整体大致是被构造成至少部分沿腔室的轴向方向延伸的针状或销钉的形状；实施中感受器30整体可以具有范围在大约12～18mm左右的长度，以及大约2.5～5mm左右的外径尺寸。在细节上其沿轴向方向依次包括有：
加热部分31，在装配后其位于腔室内，并用于插入可抽吸材料A内进行加 热；
避空部分32，在装配后其位于腔室内，具有小于加热部分31的外径，在使用中能随着加热部分31插入至可抽吸材料A内，并与可抽吸材料A能保持具有一定的间隙50而呈非接触的状态；进而使得可抽吸材料A与加热部分31接触的部分能通过接触式的传递更多地被加热，而与避空部分32对应部分能相对较少地被加热，避免可抽吸材料A的前端的部分被加热至焦糊或者呈脆性固渣。进而使得抽吸完成之后，可抽吸材料A前端的部分具有较好的形态以及与感受器30基本是不贴附的，当可抽吸材料A被从腔室中移除进而与感受器30分离的过程中能减少烟渣或碎屑的掉落。
当然进一步根据图2所示，基于安装后腔室的远端42用于对可抽吸材料A抵靠并提供止动，进而在实施中避空部分32在远端42处与腔室远端42的表面是平齐的。
基于在可选的实施中，通过避空部分32的长度设定在1～5mm左右，以及外径比加热部分31的外径小1～3mm是可选的。
进一步参见图2和图3所示，为了便于感受器30在管状支架40内的安装和固定；感受器30还包括：
第一基座部分33、以及外径大于第一基座部分33的第二基座部分34，在使用中管状支架40内对应设置通过与第二基座部分34抵靠进而固定和保持感受器30的保持腔，进而使感受器30能稳定地安装于管状支架40内。基于使用中的便利性，第二基座部分34的外径尺寸相对是大于加热部分31的。
在功能设计上，加热部分31的外径基本上是恒定的，为了保证感受器30的加热部分31能够充分地在插入至可抽吸材料A内充分接触，从而充分地进行热传导。而避空部分32在能够形成间隙50的基础上，则其外径可以是非恒定的。
例如在又一个变体实施中的感受器30a的构造参见图4所示，避空部分32a靠近加热部分31a的一部分被构造呈外径逐渐增大的形状，使其表面呈倾斜的弧面等状态，当可抽吸材料A移除时具有与感受器30a更低的摩擦阻力，促进可抽吸材料A更加顺畅的与感受器30a脱离而减少烟渣的掉出。基座部分33a则用于辅助感受器30a的安装和固定。
在图5所示的又一个变体实施中，感受器30b的整体及加热部分31b被构 造成大致是刀片状，进而相比具有更大的表面积用于向可抽吸材料A接触传递热量。具体，其避空部分32b由感受器30b沿宽度方向的两侧向内设置的缺口形成；同时为了便于安装，还具有外径不同的第一基座部分33b和第二基座部分34b，进而可以在安装后便于抵靠和固定。
基于生产和更换的便利性，在又一个可选的实施中感受器30c的构造参见图6所示，是由两个部分拼接组成；具体，包括：
加热部分31c和避空部分32c，可以采用能被磁场穿透而发热的适当磁导率的金属材质制备，比如坡莫合金、不锈铁等；
第一基座部分33c和第二基座部分34c，具体可以采用具有低导热率的才纸质，例如氧化锆陶瓷、氧化铝陶瓷或有机聚合物材质，从而使的感受器30装配在管状支架40内之后，能尽量地减少热量的传导防止对管状支架40造成热损伤；其中，第一基座部分33c上设置有插槽331c，在装配中避空部分32c的至少一部分插入至该插槽331c内后再紧配或固定成一体。当然插槽311c的延伸长度小于避空部分32c的长度，在装配后避空部分32c仍然有一部分是裸露的从而在使用中形成上述间隙50。
在又一个可选的实施中参见图7至图8所示，感受器30d内具有沿轴向方向延伸的容纳腔；该容纳腔具有包括于加热部分31d和避空部分32d的轴向延伸的第一部分351d、以及于第一基座部分33d和第二基座部分34d的轴向延伸的第二部分352d。在使用中，容纳腔内用于封装感测感受器30d的温度的温度传感器60d，并通过打胶等方式使温度传感器60d紧贴在加热部分31d的内壁上从而感测加热温度；当然温度传感器60d的导电引脚能贯穿至第二基座部分34d外从而便于将温度传感器60d与电路20连接，便于为温度传感器60d供电并接收感测信号。
以上气雾生成装置在使用中，可抽吸材料A插入至腔室内的前端约几毫米的范围与感受器30是非接触并存在有大约几毫米的间隙的，从而使可抽吸材料A插入至腔室内的前端的这一部分被较少地被加热，使这一部分不形成焦糊或者脆渣并具有较好的物理形态；当可抽吸材料A抽吸完从腔室移除时，能对内部向外掉出的烟渣进行保持和阻挡，保持腔室和感受器的清洁。
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 (11)

  1. 一种气雾生成装置，用于加热可抽吸材料生成气溶胶，包括：
    腔室，用于接收所述可抽吸材料，并具有沿轴向方向相对的近端和远端；
    磁场发生器，被配置为产生变化的磁场；
    感受器，被配置为被所述变化的磁场穿透而发热，并被构造成至少部分地沿所述腔室的轴向从所述远端向近端延伸，进而在使用中当可抽吸材料接收于所述腔室内时插入至可抽吸材料进行加热；
    其特征在于，所述感受器包括沿靠近所述近端的方向依次设置的避空部分和加热部分；所述避空部分的至少一部分沿腔室横截面方向的尺寸小于所述加热部分沿腔室横截面方向的尺寸，以使得当所述感受器插入至可抽吸材料时所述避空部分与可抽吸材料之间保持一定的间隙。
  2. 如权利要求1所述的气雾生成装置，其特征在于，所述避空部分沿轴向方向的延伸长度为1～5mm。
  3. 如权利要求1所述的气雾生成装置，其特征在于，所述避空部分的至少一部分沿腔室横截面方向的尺寸比所述加热部分沿腔室横截面方向的尺寸小1～3mm。
  4. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述加热部分沿腔室横截面方向的尺寸基本是恒定的。
  5. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述避空部分沿腔室横截面方向的尺寸基本是恒定的。
  6. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述避空部分沿腔室横截面方向的尺寸沿靠近所述加热部分的方向逐渐增大。
  7. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述感受 器内设有沿轴向延伸的容纳腔，所述容纳腔内容纳或封装有用于感测所述感受器温度的温度传感器。
  8. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述感受器还包括基座部分，并通过该基座部分使所述加热部分和避空部分保持于所述腔室内。
  9. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述避空部分和加热部分被构造成沿所述腔室的轴向延伸的片状，且所述避空部分沿宽度方向的尺寸小于所述加热部分沿宽度方向的尺寸，以使得当所述感受器的至少部分插入至可抽吸材料时所述避空部分沿所述感受器的宽度方向与可抽吸材料之间形成所述间隙。
  10. 如权利要求1至3任一项所述的气雾生成装置，其特征在于，所述避空部分在所述腔室的远端处与所述腔室的远端表面是平齐的。
  11. 一种用于气雾生成装置的感受器，用于插入至接收于所述气雾生成装置内的可抽吸材料进行加热，其特征在于，所述感受器具有沿长度方向依次设置的加热部分和避空部分，所述避空部分的至少一部分沿腔室横截面方向的尺寸小于所述加热部分沿腔室横截面方向的尺寸，以使得当所述感受器插入至可抽吸材料时所述避空部分与可抽吸材料之间保持一定的间隙。
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CN210203367U (zh) * 2019-04-26 2020-03-31 深圳市合元科技有限公司 加热可抽吸材料的装置
CN110771959A (zh) * 2019-12-06 2020-02-11 河南中烟工业有限责任公司 一种气雾生成装置

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WO2023094293A1 (en) * 2021-11-25 2023-06-01 Nicoventures Trading Limited Apparatus for heating aerosol generating material
WO2024084058A1 (en) * 2022-10-21 2024-04-25 Nicoventures Trading Limited Aerosol provision device

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