WO2020258384A1 - 一种卷烟加热装置 - Google Patents

一种卷烟加热装置 Download PDF

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Publication number
WO2020258384A1
WO2020258384A1 PCT/CN2019/095688 CN2019095688W WO2020258384A1 WO 2020258384 A1 WO2020258384 A1 WO 2020258384A1 CN 2019095688 W CN2019095688 W CN 2019095688W WO 2020258384 A1 WO2020258384 A1 WO 2020258384A1
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WO
WIPO (PCT)
Prior art keywords
heating
air
cigarette
cavity
base
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PCT/CN2019/095688
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English (en)
French (fr)
Inventor
赵瑞峰
胡静
李峰
吴桂周
张延军
刘义波
叶荣飞
Original Assignee
广东中烟工业有限责任公司
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Application filed by 广东中烟工业有限责任公司 filed Critical 广东中烟工业有限责任公司
Priority to EP19934339.3A priority Critical patent/EP3799730A4/en
Priority to US17/259,557 priority patent/US11980232B2/en
Priority to JP2020573410A priority patent/JP7175436B2/ja
Priority to KR1020217000836A priority patent/KR102543802B1/ko
Priority to UAA202100085A priority patent/UA127025C2/uk
Publication of WO2020258384A1 publication Critical patent/WO2020258384A1/zh
Priority to PH12021550150A priority patent/PH12021550150A1/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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F13/00—Appliances for smoking cigars or cigarettes
    • A24F13/02—Cigar or cigarette holders
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F13/00—Appliances for smoking cigars or cigarettes
    • A24F13/02—Cigar or cigarette holders
    • A24F13/08—Cigar or cigarette holders with special devices, e.g. spikes or grippers, for holding the cigars or cigarettes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F13/00—Appliances for smoking cigars or cigarettes
    • A24F13/22—Supports for holding cigars or cigarettes while smoking
    • 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
    • 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

Definitions

  • the present invention relates to the field of electric heating tobacco devices, and more specifically, to a cigarette heating device.
  • the burning temperature of traditional cigarettes is very high, about 900°C. Such a high temperature will crack and release many harmful components.
  • the smoke produced will affect the smoker himself, on the other hand, it will also affect the surrounding people. For example, it is harmful to health and smells bad.
  • the smoking method of baking cigarettes with non-burning heating devices avoids the process of high temperature cracking to release harmful components, and the production of harmful substances in the smoke is much lower than Harmful substances produced when traditional cigarettes are burned.
  • Cigarette heating device is an electronic device that heats and roasts cigarettes to volatilize flavor substances to obtain a feeling similar to smoking cigarettes.
  • the heating and baking of cigarettes requires sufficient air.
  • the existing cigarette heating device has two main air path settings: one is that air enters through the gap formed between the cigarette and the heating cavity, and the release of smoke is sucked out through the cigarette.
  • This method cannot guarantee sufficient air and flue gas reserves, and the looseness of the cigarettes in the heating cavity affects the quality of smoking; the second is that the air path is designed between the inner and outer walls of the heating cavity, and the air is supplemented by a close to the mouth end.
  • the space between the inner and outer walls on the side enters the bottom of the cavity, and then enters the cigarette through the end of the cut tobacco.
  • This method has a long air path and a complicated structure, which cannot achieve good heat insulation effect and easily leads to troublesome cleaning. The user experience is poor.
  • the present invention provides a cigarette heating device. Air enters and exits from the bottom end of the heating chamber of the device. The air path is short, and sufficient air and flue gas storage can be reserved. Effective heat insulation structure heats the device.
  • the technical solution adopted by the present invention is:
  • a cigarette heating device includes a cigarette holder, a heating cavity, and a base connected in sequence.
  • the top of the heating cavity is connected with the cigarette holder.
  • the heating cavity is connected with a power supply device, and the power supply device is arranged on the base.
  • the heating cavity includes a shell and a heating assembly for heating and baking cigarettes, the heating assembly is electrically connected with the power supply device, the shell surrounds the outside of the heating assembly, and its two ends are respectively connected with the cigarette holder and the base;
  • An air passage is provided at the bottom end of the shell, and the air passage connects the heating cavity with the external environment, and is used for air to enter and exit the heating cavity.
  • the cigarette when in use, the cigarette sticks from the top of the cigarette holder into the heating cavity, and the cigarette is heated and baked by the heating assembly. During heating, air flows in from the air passage at the bottom of the heating cavity, enters the heating assembly, and supplies The cigarette is heated, and finally the smoke is released through the cigarette.
  • an air gap is left between the heating component and the housing, and the width of the air gap ranges from 0.5 to 1.5 mm. Air enters from the air passage at the bottom of the heating chamber, passes through the air gap, and enters the heating component. In addition, the air gap achieves the effect of heat insulation at the same time. Because the heating component has a high temperature during heating, an air gap is left between the heating component and the shell to reduce the contact area of solid heat transfer and heat the heating component with air. To achieve a better heat insulation effect, the user will not feel too hot to the touch, which improves the user experience.
  • the heating assembly includes a heating body, a heating base and an insulator.
  • the heating body is arranged on the top surface of the heating base and is used to insert into the cigarette for heating; the insulator is arranged on the periphery of the heating body and The cigarette can be accommodated, and the insulator is detachably connected to the heating base.
  • the heating base and the heating body are the main heating components, and the heat insulation body is sleeved on the periphery of the heating body, surrounds the cigarettes, and is connected and fixed with the shell.
  • the housing has a hollow structure, and the housing is detachably connected to the heat insulator.
  • the shell and the heat insulator are screwed together.
  • the air passage includes a first air hole and a second air hole, and an air buffer cavity for buffering air storage is provided between the first air hole and the second air hole.
  • the bottom end of the shell is evenly provided with multiple air passages.
  • Each air passage is divided into a first air hole and a second air hole.
  • An air buffer cavity is added between the two air holes. Air enters through the first air hole, passes through the air buffer cavity, and then from the second air hole.
  • the air holes enter the heating chamber.
  • the air buffer chamber can be used to buffer the air in the heating chamber and the air in the external environment to ensure sufficient air storage.
  • the air buffer chamber strengthens the air flow vortex and effectively prevents the leakage of smoke.
  • the heat insulator is provided with a plurality of third air holes, and the third air holes are evenly distributed around the circumference and communicate with the air gap and the inner wall of the heat insulating body.
  • the air enters the air gap from the air passage, and then flows into the insulation body from the third air hole, and supplies the cigarettes for heating and baking.
  • the heat insulator is further provided with an expansion cavity for temporarily storing the baking smoke, and the expansion cavity has a ring shape and is arranged around the outer wall of the cigarette. After being roasted and heated, the cigarette will produce smoke for smoking. An expansion cavity is provided on the outer wall of the cigarette to effectively store the amount of smoke. In the case of continuous smoking, the stability of the taste is ensured. At the same time, the expansion cavity expands the flue gas mixing space, so that the flue gas has enough space to fully diffuse and mix, and enhance the taste of the extracted flue gas.
  • the base is provided with a hollow layer for heat insulation, the hollow layer is located between the heating cavity and the power supply device, and the height of the hollow layer ranges from 1.5 to 3 mm.
  • the hollow layer is arranged between the heating cavity and the power supply device, and is mainly used to reduce the heat transfer from the heating cavity to the power supply device and prevent the power supply device from overheating and abnormality.
  • the hollow layer is surrounded by connecting brackets, the middle is hollowed out, and the air is used for heat insulation.
  • the hollow layer is also left with pipes for connecting the heating cavity to the power supply device circuit.
  • the power supply device includes a rechargeable battery, a power adapter and a charging interface connected in series, and the charging interface is a micro USB interface.
  • the charging interface can be located on the bottom or side of the base.
  • the diameter of the first air hole is not equal to the diameter of the second air hole.
  • the level of the first air hole and the second air hole may be different.
  • the diameter of the first pore and the diameter of the second pore are equal and located on the same horizontal line.
  • the present invention has the following beneficial effects: 1) Air enters from the bottom of the heating chamber, the air flow path is short, and the air supply is sufficient; 2) An air buffer chamber is provided to effectively buffer the air in the heating chamber and the outside The air in the environment guarantees sufficient air storage and at the same time prevents the leakage of flue gas; 3) There is an air gap between the heating component and the shell, which allows air to pass through on the one hand, and uses air for heat insulation on the other hand to reduce solids transmission. The hot contact area effectively blocks the heat of the heating element and reduces the external temperature of the device.
  • a hollow layer is set between the heating cavity and the power supply device to reduce the heating cavity to the power supply The heat transfer of the device avoids abnormalities caused by the heating and overheating of the power supply device;
  • the expansion cavity is set to expand the flue gas mixing space, so that the flue gas has enough space to fully diffuse and mix, effectively store the flue gas volume, and smoke continuously In the case of gas, the stability of the taste is guaranteed.
  • FIG. 1 is a cross-sectional view of the structure of Embodiment 1.
  • FIG. 1 is a cross-sectional view of the structure of Embodiment 1.
  • Figure 2 is an exploded view of the structure of the present invention.
  • Figure 3 is a cross-sectional view of the insulator structure.
  • Figure 4 is a schematic diagram of the structure of the housing.
  • FIG. 5 is a cross-sectional view of the structure of the second embodiment.
  • this embodiment provides a cigarette heating device, which includes a cigarette holder 1, a heating cavity 2 and a base 3 connected in sequence.
  • the top of the heating cavity 2 is connected to the cigarette holder 1, and the heating cavity 2 is connected with a power source.
  • the power supply device is located on the base 3.
  • the power supply device includes a rechargeable battery, a power adapter, and a charging interface connected in series.
  • the charging interface is a micro USB interface, and the charging interface can be provided on the bottom surface of the base 3.
  • the heating cavity 2 includes a housing 5 and a heating assembly 6 for heating and baking the cigarettes 4, and the heating assembly 6 is electrically connected to a power supply device.
  • the housing 5 is a hollow structure, which is arranged around the outside of the heating assembly 6, leaving a 1mm air gap 8 with the heating assembly 6, and the two ends of the housing 5 are connected to the cigarette holder 1 respectively.
  • the base 3 is connected.
  • the bottom end of the housing 5 is provided with a number of air passages 7.
  • the air passage 7 is divided into a first air hole 71 and a second air hole 72.
  • the aperture of the first air hole 71 and the aperture of the second air hole 72 They are equal and located on the same horizontal line, and between the first air hole 71 and the second air hole 72, an air buffer cavity 73 for buffering the air storage is also provided.
  • the heating assembly 6 includes a heating body 61, a heating base 62, and an insulator 63.
  • the heating body 61 is provided on the top surface of the heating base 62 for being inserted into the cigarette 4 for heating.
  • the heat insulator 63 is arranged on the periphery of the heating body 61 and can contain the cigarette 4, the heat insulator 63 is detachably connected to the heating base 62, and the heat insulator 63 is screwed and fixed with the shell 5. Specifically, as shown in FIG.
  • the heat insulator 63 is further provided with a number of third air holes 631, the third air holes 631 are evenly distributed around the circumference of the heat insulator 63 and communicate with the air gap 8 and the inner wall of the heat insulator 63.
  • the air enters through the first air hole 71, passes through the air buffer cavity 73, then enters the air gap 8 from the second air hole 72, and finally enters the insulator 63 from the third air hole 631, and supplies the cigarettes 4 for heating and baking.
  • the heat insulator 63 is also provided with an expansion cavity 632 for temporarily storing the baking flue gas.
  • the expansion cavity 632 has a circular ring shape and is arranged around the outer wall of the cigarette 4.
  • the cigarette 4 is heated and baked to produce smoke.
  • the expansion cavity 632 expands the smoke mixing space, so that the smoke has enough space to diffuse and mix, and at the same time effectively store the amount of smoke. In the case of continuous smoking, ensure The stability of taste.
  • the base 3 is provided with a hollow layer 9 for heat insulation.
  • the hollow layer 9 is located between the heating chamber 2 and the power supply device.
  • the height of the hollow layer 9 in this embodiment is 2 mm.
  • the hollow layer 9 is surrounded by connecting brackets, the middle part is hollowed out, and the air is used for heat insulation, and there are pipelines for connecting the heating assembly 6 and the power supply device circuit.
  • the hollow layer 9 is provided between the heating cavity 2 and the power supply device, and is mainly used to reduce the heat transfer from the heating cavity 2 to the power supply device, and to prevent the power supply device from overheating and abnormality.
  • the cigarette 4 when in use, the cigarette 4 extends from the top of the cigarette holder 1 into the heat insulator 63 of the heating cavity 2, abuts against the top surface of the heating base 62, and the heating body 61 is inserted into the cigarette 4.
  • the third air hole 631 enters into the insulator 63 and supplies the cigarettes 4 for heating and baking. After the cigarette 4 is heated and roasted, smoke is generated.
  • the smoke has enough space to fully diffuse and mix.
  • the taste stability is ensured.
  • the air buffer chamber 73 buffers the air in the heating chamber 2 and the air in the external environment, ensures sufficient air storage, and strengthens the vortex of the airflow, which effectively prevents the smoke from flowing backward and causing external leakage.
  • the arrangement of the air gap 8 and the hollow layer 9 enhances the heat insulation, and the user will not feel too hot to the touch. At the same time, the heat transfer from the heating cavity 2 to the power supply device is reduced, and the power supply device is prevented from overheating and abnormality.
  • this embodiment also provides a cigarette heating device.
  • the structural principle is similar to that of Embodiment 1. The difference is that in this embodiment, the bottom end of the housing 5 of the heating chamber 2 is provided with several air passages. 7.
  • the air passage 7 directly connects the air gap 8 inside the heating chamber 2 with the external environment, and is used for air to enter and exit the heating chamber 2.

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  • Baking, Grill, Roasting (AREA)
  • Resistance Heating (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Central Heating Systems (AREA)

Abstract

本发明涉及电加热烟草装置领域，更具体地，涉及一种卷烟加热装置。该卷烟加热装置包括依次连接的烟嘴、加热腔和底座，所述加热腔的顶端与烟嘴相连通，加热腔连接有电源装置，电源装置设于底座。所述加热腔包括壳体和用于烟支加热烘烤的加热组件，加热组件与电源装置电连接，所述壳体围绕于加热组件的外侧，其两端分别与烟嘴、底座相接；所述壳体底端设有气道，气道连通加热腔与外界环境，用于空气进出加热腔。本发明设计空气从装置加热腔的底端进出，气路路径短，可保留充足的空气储量及烟气储量，同时还设有有效的隔热结构进行装置隔热。

Description

一种卷烟加热装置 技术领域
本发明涉及电加热烟草装置领域，更具体地，涉及一种卷烟加热装置。
背景技术
传统卷烟的燃烧温度很高，大概在900℃左右，如此高的温度会裂解释放许多有害成分，产生的烟气一方面对吸烟者自身造成影响，另一方面对周边的人也会造成影响，例如有害身体健康，气味难闻。与传统明火点烟的剧烈燃烧抽烟方式不同，由于没有明火燃烧，采用不燃烧的加热装置烘烤卷烟的抽吸方式避免了高温裂解释放有害成分的过程，烟气中有害物质的产生大大低于传统香烟在燃烧后时所产生的有害物质。
卷烟加热装置是通过加热烘烤卷烟，使其香味物质挥发，以获得类似燃吸卷烟的感受的一种电子装置。烟支的加热烘烤需要充足的空气，现有的卷烟加热装置的气路设置主要有两种：一是空气经由烟支与加热腔体间形成的空隙进入,烟气的释放通过烟支吸出，这种方式无法保证充足的空气和烟气储量，烟支在加热腔体内松动影响抽吸品质；二是气路设计在加热腔体的内壁和外壁之间，空气的补充经由靠近嘴端一侧的内外壁间的空间进入至腔体底部，再经由烟丝端部进入烟支，这种方式是气路路径长，结构复杂，无法做到较好的隔热效果，且易导致清洁麻烦，用户体验不佳。
发明内容
本发明为克服上述现有技术所述的缺陷，提供一种卷烟加热装置，空气从装置加热腔的底端进出，气路路径短，可保留充足的空气储量及烟气储量，同时还设有有效的隔热结构进行装置隔热。
为解决上述技术问题，本发明采用的技术方案是：
一种卷烟加热装置，包括依次连接的烟嘴、加热腔和底座，所述加热腔的顶端与烟嘴相连通，加热腔连接有电源装置，电源装置设于底座。所述加热腔包括壳体和用于烟支加热烘烤的加热组件，加热组件与电源装置电连接，所述壳体围绕于加热组件的外侧，其两端分别与烟嘴、底座相接；所述壳体底端设 有气道，气道连通加热腔与外界环境，用于空气进出加热腔。
其中，在使用时，烟支从烟嘴顶部伸进加热腔内，通过加热组件对烟支进行升温烘烤，在加热时，空气从加热腔底端的气道流入，进入到加热组件的部分，供给烟支加热，最后烟气的释放通过烟支吸出。
优选地，所述加热组件与壳体之间留有空气间隙，所述空气间隙的宽度范围为0.5-1.5mm。空气从加热腔底端的气道进入，经过空气间隙，进入到加热组件的部分。另外，空气间隙同时达到隔热的效果，由于加热组件在加热时温度较高，因此在加热组件与壳体之间留空气间隙，减少固体传热的接触面积，对加热组件进行空气隔热，达到较好隔热的效果，使用者摸起来不会觉得过烫，提升了用户体验。
优选地，所述加热组件包括加热体、加热基座和隔热体，加热体设于加热基座的顶面，用于插入烟支内部进行加热；所述隔热体设于加热体外围并可容纳烟支，隔热体与加热基座可拆卸连接。其中，加热基座与加热体为主要的升温部件，隔热体套于加热体外围，围绕包裹烟支，并与壳体连接固定。
优选地，所述壳体为中空结构，壳体与隔热体可拆卸连接。一般地，壳体与隔热体为螺纹连接。
优选地，所述气道包括第一气孔和第二气孔，第一气孔与第二气孔之间设有用于缓冲空气储量的空气缓冲腔。壳体底端均匀设有多条气道，各气道分割成第一气孔和第二气孔，两气孔之间增设空气缓冲腔，空气通过第一气孔进入，经过空气缓冲腔，再从第二气孔进入到加热腔内部。设置空气缓冲腔可用于缓冲加热腔内的空气和外界环境中的空气，保证充足的空气储量，而且，空气缓冲腔加强了气流涡流，有效阻隔烟气外漏的情况。
优选地，所述隔热体设有若干第三气孔，第三气孔绕四周均匀分布，同时连通空气间隙与隔热体内壁。空气从气道进入空气间隙，再从第三气孔流入到隔热体内，供给烟支加热烘烤。
优选地，所述隔热体还设有用于暂储烘烤烟气的扩充腔，所述扩充腔呈环形，围绕于烟支外壁设置。烟支在烘烤加热之后会产生烟气供抽吸，在烟支外壁设有扩充腔，可有效储存烟气量，在连续抽吸烟气的情况下，保证了口感的稳定性。同时，扩充腔扩展了烟气混合空间，使得烟气有足够的空间充分扩散和混合，提升了抽出的烟气的口感。
优选地，所述底座设有用于隔热的镂空层，镂空层位于加热腔与电源装置之间，镂空层的高度范围为1.5-3mm。镂空层设于加热腔与电源装置之间，主要用于减少加热腔向电源装置的热量传递，避免电源装置升温过热而发生异常。其中镂空层四周设有连接支架，中部掏空，利用空气进行隔热，具体地，镂空层还留有管道以供加热腔体与电源装置线路连接。一般地，电源装置包括串联相接的可充电电池、电源适配器和充电接口，充电接口为微型USB接口。充电接口可设于底座的底面或侧面。
优选地，所述第一气孔的孔径与第二气孔的孔径不相等。第一气孔和第二气孔的水平高度可有所不同。
作为另一种方案，所述第一气孔的孔径与第二气孔的孔径相等，并位于同一水平线。
与现有技术相比，本发明的有益效果是：1)空气从加热腔底端进入，空气流动路径短，供气充足；2)设有空气缓冲腔，有效缓冲加热腔内的空气和外界环境中的空气，保证充足的空气储量，同时阻隔烟气外漏；3)加热组件与壳体之间留有空气间隙，一方面供气流通过，另一方面利用空气进行隔热，减少固体传热的接触面积，有效阻隔发热体的热量，降低装置外部温度，使用者摸起来不会觉得过烫，提升了用户体验；4)加热腔与电源装置之间设置镂空层，减少加热腔向电源装置的热量传递，避免电源装置升温过热而发生异常；5)设置扩充腔，扩展了烟气混合空间，使得烟气有足够的空间充分扩散和混合，有效储存烟气量，在连续抽吸烟气的情况下，保证了口感的稳定性。
附图说明
图1是实施例1的结构剖视图。
图2是本发明的结构爆炸图。
图3是隔热体结构剖视图。
图4是壳体的结构示意图。
图5是实施例2的结构剖视图。
其中，1烟嘴，2加热腔，3底座，4烟支，5壳体，6加热组件，7气道，8空气间隙，9镂空层，61加热体，62加热基座，63隔热体，71第一气孔，72第二气孔，73空气缓冲腔，631第三气孔，632扩充腔。
具体实施方式
附图仅用于示例性说明，不能理解为对本专利的限制；为了更好说明本实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。附图中描述位置关系仅用于示例性说明，不能理解为对本专利的限制。
实施例1
如图1-2所示，本实施例提供了一种卷烟加热装置，包括依次连接的烟嘴1、加热腔2和底座3，加热腔2的顶端与烟嘴1相连通，加热腔2连接有电源装置，电源装置设于底座3。具体地，电源装置包括串联相接的可充电电池、电源适配器和充电接口，充电接口为微型USB接口，充电接口可设于底座3的底面。
其中，加热腔2包括壳体5和用于烟支4加热烘烤的加热组件6，加热组件6与电源装置电连接。
具体地，，如图4所示，壳体5为中空结构，其围绕于加热组件6的外侧设置，与加热组件6之间留有1mm的空气间隙8，壳体5两端分别与烟嘴1、底座3相接。同时，壳体5底端设有若干气道7，本实施例中，气道7分割为第一气孔71和第二气孔72，进一步地，第一气孔71的孔径与第二气孔72的孔径相等，并位于同一水平线，而且，第一气孔71与第二气孔72之间还设有用于缓冲空气储量的空气缓冲腔73。
另外，加热组件6包括加热体61、加热基座62和隔热体63，加热体61设于加热基座62的顶面，用于插入烟支4内部进行加热。而隔热体63设于加热体61外围并可容纳烟支4，隔热体63与加热基座62可拆卸连接，同时隔热体63与壳体5螺纹连接固定。具体地，如图3所示，隔热体63还设有若干第三气孔631，第三气孔631绕隔热体63四周均匀分布，同时连通空气间隙8与隔热体63内壁。空气通过第一气孔71进入，经过空气缓冲腔73，再从第二气孔72进入到空气间隙8，最后从第三气孔631进入到隔热体63内，供给烟支4加热烘烤。
进一步地，隔热体63还设有用于暂储烘烤烟气的扩充腔632，扩充腔632呈圆环形，围绕于烟支4外壁设置。烟支4加热烘烤产生烟气，扩充腔632扩展了烟气混合空间，使得烟气有足够的空间充分扩散和混合，同时有效储存烟气量，在连续抽吸烟气的情况下，保证了口感的稳定性。
进一步地，底座3设有用于隔热的镂空层9，镂空层9位于加热腔2与电源装置之间，本实施例镂空层9的高度为2mm。具体地，镂空层9四周设有连接支架，中部掏空，利用空气进行隔热，而且留有管道以供加热组件6与电源装置线路连接。镂空层9设于加热腔2与电源装置之间，主要用于减少加热腔2向电源装置的热量传递，避免电源装置升温过热而发生异常。
本实施例具体实施方式如下：在使用时，烟支4从烟嘴1顶部伸进加热腔2的隔热体63内，抵接于加热基座62顶面，加热体61插入烟支4内部。启动卷烟电加热装置，空气从壳体5底端的第一气孔71进入，经过空气缓冲腔73，再从第二气孔72进入到加热腔2内部的空气间隙8，最后从隔热体63侧壁的第三气孔631进入到隔热体63内，供给烟支4加热烘烤。烟支4经过加热烘烤后产生烟气，部分烟气储存在扩充腔632中，烟气有足够的空间充分扩散和混合，在连续抽吸烟气的情况下，保证了口感的稳定性。其中，空气缓冲腔73缓冲加热腔2内的空气和外界环境中的空气，保证了充足的空气储量，而且加强了气流涡流，有效阻隔烟气逆流产生外漏。另外，空气间隙8与镂空层9的设置，加强了隔热，使用者摸起来不会觉得过烫，同时减少加热腔2向电源装置的热量传递，避免电源装置升温过热而发生异常。
实施例2
如图5所示，本实施例同样提供了一种卷烟加热装置，结构原理与实施例1相似，不同之处在于，本实施例中，加热腔2的壳体5底端设有若干气道7，气道7直接连通加热腔2内部的空气间隙8与外界环境，用于空气进出加热腔2。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。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。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种卷烟加热装置，包括依次连接的烟嘴(1)、加热腔(2)和底座(3)，所述加热腔(2)的顶端与烟嘴(1)相连通，加热腔(2)连接有电源装置，电源装置设于底座(3)，其特征在于：所述加热腔(2)包括壳体(5)和用于烟支(4)加热烘烤的加热组件(6)，加热组件(6)与电源装置电连接，所述壳体(5)围绕于加热组件(6)的外侧，其两端分别与烟嘴(1)、底座(3)相接；所述壳体(5)底端设有气道(7)，气道(7)连通加热腔(2)与外界环境，用于空气进出加热腔(2)。
  2. 根据权利要求1所述的一种卷烟加热装置，其特征在于：所述加热组件(6)与壳体(5)之间留有空气间隙(8)，所述空气间隙(8)的宽度范围为0.5-1.5mm。
  3. 根据权利要求2所述的一种卷烟加热装置，其特征在于：所述加热组件(6)包括加热体(61)、加热基座(62)和隔热体(63)，加热体(61)设于加热基座(62)的顶面，用于插入烟支(4)内部进行加热；所述隔热体(63)设于加热体(61)外围并可容纳烟支(4)，隔热体(63)与加热基座(62)可拆卸连接。
  4. 根据权利要求3所述的一种卷烟加热装置，其特征在于：所述壳体(5)为中空结构，壳体(5)与隔热体(63)可拆卸连接。
  5. 根据权利要求4所述的一种卷烟加热装置，其特征在于：所述气道(7)包括第一气孔(71)和第二气孔(72)，第一气孔(71)与第二气孔(72)之间设有用于缓冲空气储量的空气缓冲腔(73)。
  6. 根据权利要求5所述的一种卷烟加热装置，其特征在于：所述隔热体(63)设有若干第三气孔(631)，第三气孔(631)绕四周均匀分布，同时连通空气间隙(8)与隔热体(63)内壁。
  7. 根据权利要求3所述的一种卷烟加热装置，其特征在于：所述隔热体(63)还设有用于暂储烘烤烟气的扩充腔(632)，所述扩充腔(632)呈环形，围绕于烟支(4)外壁设置。
  8. [根据细则26改正23.09.2019]　
    根据权利要求1所述的一种卷烟加热装置，其特征在于：所述底座(3)设有用于隔热的镂空层(9)，镂空层(9)位于加热腔(2)与电源装置之间， 镂空层(9)的高度范围为1.5-3mm。
  9. 根据权利要求5所述的一种卷烟加热装置，其特征在于：所述第一气孔(71)的孔径与第二气孔(72)的孔径不相等。
  10. 根据权利要求5所述的一种卷烟加热装置，其特征在于：所述第一气孔(71)的孔径与第二气孔(72)的孔径相等，并位于同一水平线。
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