WO2022252575A1 - 烟支的加热装置 - Google Patents

烟支的加热装置 Download PDF

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Publication number
WO2022252575A1
WO2022252575A1 PCT/CN2021/139801 CN2021139801W WO2022252575A1 WO 2022252575 A1 WO2022252575 A1 WO 2022252575A1 CN 2021139801 W CN2021139801 W CN 2021139801W WO 2022252575 A1 WO2022252575 A1 WO 2022252575A1
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WIPO (PCT)
Prior art keywords
heater
heating
channel
cigarette
bracket
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PCT/CN2021/139801
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English (en)
French (fr)
Inventor
金扬云
徐升阳
华政旭
吕冬冬
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深圳雾芯科技有限公司
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Publication of WO2022252575A1 publication Critical patent/WO2022252575A1/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
    • 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 application relates to the technical field of electronic cigarettes, and more specifically, to a heating device for cigarettes.
  • cigarettes are heated unevenly, resulting in uneven atomization of the cigarettes, resulting in problems such as weaker taste and smaller smoke volume.
  • the present application proposes a cigarette heating device, which can improve the heating uniformity and atomization uniformity of the cigarette.
  • the heating device for cigarettes includes: a casing, an insertion channel is provided in the casing, and an insertion port for inserting the cigarettes is provided in the casing; a first heater, the first heating The device is arranged on the outer casing, the first heater is formed in an annular shape to define a heating channel communicated with the insertion channel, and the cigarette is inserted into the insertion channel and the heating channel; the second heater , the second heater is arranged on the outer shell, and the second heater and the heating channel are staggered along the depth direction of the insertion channel.
  • the first heater and the second heater are arranged to cooperate to heat the cigarettes, and the first heater is annular to heat the circumference of the cigarettes, and the first heater and the The second heater heats different parts in the length direction of the cigarette, so that the heating is more uniform in the length direction and circumferential direction of the cigarette, and the atomization is more uniform, and the heating efficiency is improved, thereby solving the problem of the cigarette taste becoming weak and the amount of smoke in the related technology Small and other issues.
  • the second heater includes a heat conduction support and a heating element
  • the heat conduction support is disposed on the housing
  • the heating element is fixed on the heat conduction support
  • the heat conducting support is a ceramic support
  • the heating element is a honeycomb ceramic heating element
  • the heat conduction bracket is arranged in contact with the first heater.
  • the housing includes a housing and a mounting bracket, the mounting bracket defines the insertion channel and is disposed in the housing, the first heater and the second heater are provided on the mounting bracket.
  • the installation bracket is a heat insulation bracket.
  • the mounting bracket is formed in a hollow cylindrical shape and defines the insertion channel and the installation channel arranged in the depth direction, and the cross-sectional area of the insertion channel is smaller than that of the installation channel. cross-sectional area, the first heater and the second heater are arranged in the installation channel.
  • the heating device further includes a heating base, the heating base is arranged on the installation bracket, and the second heater is placed on the heating base.
  • the end of the mounting bracket is provided with a storage groove that is recessed toward the insertion opening, and the heating base is placed in the storage groove.
  • the second heater and the surrounding walls of the installation bracket where the installation channel is located are arranged at intervals.
  • FIG. 1 is an exploded view of a heating device according to an embodiment of the present application.
  • Fig. 2 is a schematic structural view of a heating device according to an embodiment of the present application.
  • Fig. 3 is a sectional view along the direction shown in line A-A in Fig. 2;
  • FIG. 4 is a schematic diagram of a partially enlarged structure of FIG. 3 .
  • Installation bracket 20 insertion channel 21; insertion port 22; installation channel 23; wall surface 231 around the installation bracket; holding groove 24;
  • the base 50 is heated.
  • 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 heating device 100 may be a heat-not-burn electronic cigarette.
  • the heating device 100 for a cigarette 200 may include: a housing 1 , a first heater 30 and a second heater 40 .
  • an insertion channel 21 is provided in the housing 1 , and the insertion channel 21 is provided with an insertion port 22 for inserting the cigarette 200 .
  • the first heater 30 is disposed on the housing 1 , and the first heater 30 is formed in a ring shape to define a heating channel 31 communicating with the insertion channel 21 .
  • the cigarette 200 can be inserted into the insertion channel 21 and the heating channel 31 to fix the cigarette 200 , and the cigarette 200 can be heated from the circumferential direction of the cigarette 200 by the annular first heater 30 .
  • the second heater 40 is disposed on the casing 1 to heat the cigarette 200 .
  • the cigarette 200 is heated simultaneously by the first heater 30 and the second heater 40 to realize double heating, so as to provide heat sources from different parts of the cigarette 200, avoiding poor heating effect in areas far away from the heat source caused by a single heat source for the cigarette 200 The problem.
  • the double heating increases the heating area, and the first heater 30 can surround the cigarette 200 from the circumferential direction of the cigarette 200, further increasing the uniformity of heating.
  • each area of the cigarette 200 is uniformly heated and atomized, which improves the heating efficiency, effectively avoids problems such as weaker taste and smaller smoke volume caused by uneven heating, and improves user experience.
  • the second heater 40 may be a main heater, and the first heater 30 may be an auxiliary heater, so as to improve the heating efficiency of the cigarette 200 .
  • the specific structure and heating position of the second heater 40 can be flexibly set according to actual conditions.
  • the second heater 40 and the heating channel 31 can be staggered along the depth direction of the insertion channel 21, so that multiple The position heats the cigarette 200, thereby improving the heating uniformity of the cigarette 200 in the length direction.
  • the second heater 40 can heat the center of the cigarette 200 to reduce the temperature difference between the two ends of the cigarette 200 in the length direction and improve the uniformity of heating.
  • the second heater 40 can be arranged on the side of the first heater 30 away from the insertion port 22, so as to treat the end of the cigarette 200 Heating, so as to cooperate with the first heater 30 to realize heating in a wider range and improve heating uniformity.
  • the first heater 30 and the second heater 40 are arranged to cooperate to heat the cigarette 200, and the first heater 30 is annular to heat the circumferential direction of the cigarette. , the first heater 30 and the second heater 40 heat different parts of the cigarette branch 200 in the length direction, so that the heating of each area in the length direction and circumferential direction of the cigarette branch 200 is more uniform, the atomization is more uniform, and the heating efficiency is improved, thereby solving the problem of related In the technology, there are problems such as the taste of cigarettes becoming lighter and the amount of smoke being small.
  • the housing 1 may include a housing 10 and a mounting bracket 20 disposed in the housing 10 , so as to avoid direct conduction of heat to the outer surface of the housing 10 to cause burns. users or cause heat loss.
  • Both the first heater 30 and the second heater 40 can be disposed on the mounting bracket 20 to prevent the first heater 30 and the second heater 40 from directly contacting the casing 10 and causing the casing 10 to be overheated, damaged or hot.
  • the installation bracket 20 can be a heat insulation bracket, which has better heat insulation and heat preservation effects.
  • the second heater 40 may include a heat conducting bracket 41 and a heating element 42 .
  • the heat conduction bracket 41 is arranged on the casing 1, for example, it can be arranged on the installation bracket 20, the heating element 42 is fixed on the heat conduction support 41, and a part of the cigarette 200 can be in contact with the heat conduction support 41, so that the heat conduction support 41 will heat the heating element 42.
  • the heat is directly transmitted to lead to 200 cigarettes, which improves the heating efficiency.
  • the thermally conductive support 41 can be a ceramic support, and the thermal conductivity of the ceramic support is high, for example, it can reach several tens of times that of copper; the thermal expansion coefficient of the ceramic support is low, and basically no internal stress will be generated to avoid damage caused by heat; and
  • the ceramic bracket is insulated, and there is no need to set up complex structures such as additional insulating layers, and the structure is simpler.
  • the ceramic bracket has high hardness, stable structure, and good corrosion and oxidation resistance, which can provide more stable support and fixing effect for the heating element 42 and improve the service life of the heating device 100 .
  • the heating element 42 may be a honeycomb ceramic heating element.
  • the honeycomb ceramic heating element adopts the most dense arrangement, and the maximum and as many resistance wires are arranged as possible, and the length of the wires is up to 100%, thereby improving the heating efficiency.
  • the honeycomb ceramic heating element has the advantages of high temperature resistance, corrosion resistance, good thermal shock stability, high strength, large heat storage, and good thermal conductivity.
  • the heat conduction bracket 41 may be disposed in contact with the first heater 30 .
  • the heat-conducting bracket 41 can exchange heat with the first heater 30 to further improve the uniformity of heating at the end of the cigarette 200 and in the circumferential direction, and make there be no gap between the second heater 40 and the first heater 30 , so as to achieve continuous heating of the outer surface of the cigarette 200, which is also conducive to improving the uniformity of heating.
  • the heat conduction support 41 can limit the first heater 30, so that the first heater 30 is fixed and stable.
  • the two ends of the first heater 30 can be connected with the heat conduction support 41 The end face of the mounting bracket 20 abuts against the step face of the mounting bracket 20 to achieve positioning in the length direction.
  • the heat conducting bracket 41 may be cylindrical, and the inner peripheral surface of the cylinder is provided with a positioning protrusion 43 to divide the inner space of the cylinder into a first section and a second section communicating with each other.
  • the first section communicates with the heating channel 31
  • the end of the cigarette 200 is inserted into the first section and abuts against the positioning protrusion 43 to limit the end of the cigarette 200 .
  • the heating element 42 protrudes into the second section and abuts against the positioning protrusion 43 to realize the position limitation of the heating element 42 .
  • the end of the cigarette 200 can be separated from the heating element 42 by a certain distance, so as to avoid the local temperature rise of the cigarette 200 caused by the heating element 42 directly contacting the cigarette 200 .
  • the heating element 42 can heat the air in the area surrounded by the positioning convex part 43 to indirectly heat the cigarette 200, and heat the cigarette 200 through the radiation of hot air and the heat conduction of the heat conduction bracket 41, so that the end of the cigarette 200 is heated more uniformly and heated higher efficiency.
  • the housing 1 includes a housing 10 and a mounting bracket 20, as shown in FIGS.
  • the distance from the housing 10 prevents the heat of the first heater 30 from being conducted to the housing 10 , and plays a role of heat preservation, reducing the heat loss of the first heater 30 and improving the heating efficiency of the cigarette 200 .
  • the mounting bracket 20 can be formed as a hollow cylinder, and defines an insertion channel 21 and an installation channel 23 arranged along the depth direction, and the installation channel 23 can be inserted into An end of the channel 21 away from the insertion port 22 communicates. Furthermore, the cross-sectional area of the insertion passage 21 is smaller than that of the mounting passage 23 so that the cylindrical inner peripheral wall is formed with a stepped surface.
  • the first heater 30 and the second heater 40 can be arranged in the installation channel 23, so that the structure of the heating device 100 is compact, and the heating channel 31 is convenient to communicate with the insertion channel 21, and the installation bracket 20 can simultaneously install the first heater 30 And the second heater 40 plays the role of thermal insulation, reducing heat loss.
  • the insertion channel 21 with a small cross-sectional area can fix and limit the cigarette 200, and the stepped surface can shield the first heater 30 and the second heater 40, avoiding the first heating when the cigarette 200 is pulled out The device 30 and the second heater 40 are exposed or fall off.
  • Fig. 1 and Fig. 3-Fig. 50 to limit the second heater 40 and prevent the second heater 40 from coming out of the installation channel 23 .
  • the heating base 50 can be provided with a via hole, and the electrical connection structure of the first heater 30 and the second heater 40 can protrude through the via hole to connect with the power supply. , the heating base 50 separates the power supply from the heater, plays a role of heat insulation protection, and is beneficial to improve the service life and safety of the power supply.
  • the end of the mounting bracket 20 can be provided with a holding groove 24 , the holding groove 24 is recessed toward the insertion port 22 , and the heating base 50 can be placed in the holding groove 24 In order to realize the connection between the heating base 50 and the mounting bracket 20 , and avoid direct contact between the heating base 50 and the housing 10 to cause the housing 10 to heat up.
  • the surrounding wall surface 231 of the installation bracket at the location of the second heater 40 and the installation passage 23 (that is, the wall surface extending in the circumferential direction of the installation passage 23, and then the circle
  • the inner peripheral surface of the part of the cylindrical mounting bracket 20 that defines the mounting channel 23) can be arranged at intervals, so as to prevent the heat of the second heater 40 from being conducted to the mounting bracket 20 and cause heat loss, so that the heat of the second heater 40 can be Radiating to the cigarette 200 as much as possible improves the heating efficiency of the cigarette 200 .
  • references to the terms “one embodiment,” “some embodiments,” “exemplary embodiments,” “example,” “specific examples,” or “some examples” are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application.
  • schematic representations of the above terms do not necessarily refer to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Abstract

一种烟支（200）的加热装置（100），包括：外壳（1），外壳（1）内设有插入通道（21），插入通道（21）设有烟支（200）插入的插入口（22）；第一加热器（30），第一加热器（30）设于外壳（1），第一加热器（30）形成为环状以限定出与插入通道（21）连通的加热通道（31），烟支（200）插入插入通道（21）和加热通道（31）内；第二加热器（40），第二加热器（40）设于外壳（1），第二加热器（40）与加热通道（31）沿插入通道（21）的深度方向错开。

Description

烟支的加热装置
相关申请的交叉引用
本申请基于申请号为：2021106014258，申请日为2021年05月31日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及电子烟技术领域，更具体地，涉及一种烟支的加热装置。
背景技术
在相关技术中，烟支加热不均匀，导致烟支雾化不均匀，存在口味变淡以及烟雾量变小等问题。
申请内容
本申请旨在至少解决现有技术中存在的技术问题之一。为此，本申请提出一种烟支的加热装置，所述加热装置能够提高烟支加热均匀性和雾化均匀性。
根据本申请实施例的烟支的加热装置，包括：外壳，所述外壳内设有插入通道，所述插入通道设有所述烟支插入的插入口；第一加热器，所述第一加热器设于所述外壳，所述第一加热器形成为环状以限定出与所述插入通道连通的加热通道，所述烟支插入所述插入通道和所述加热通道内；第二加热器，所述第二加热器设于所述外壳，所述第二加热器与所述加热通道沿所述插入通道的深度方向错开。
根据本申请实施例的烟支的加热装置，通过设置第一加热器和第二加热器配合对烟支进行加热，并且第一加热器为环形以加热烟支的周向，第一加热器和第二加热器加热烟支长度方向的不同部位，使烟支长度方向和周向上各处加热更均匀，雾化更均匀，提高了加热效率，从而解决相关技术中烟支口味变淡以及烟雾量小等问题。
根据本申请的一些实施例，所述第二加热器包括导热支架和加热件，所述导热支架设于所述外壳，所述加热件固定在所述导热支架上。
根据本申请的一些实施例，所述导热支架为陶瓷支架，所述加热件为蜂窝陶瓷加热件。
根据本申请的一些实施例，所述导热支架与所述第一加热器接触设置。
根据本申请的一些实施例，所述外壳包括壳体和安装支架，所述安装支架限定出所述插入通道且设于所述壳体内，所述第一加热器和所述第二加热器设于所述安装支架。
根据本申请的一些实施例，所述安装支架为隔热支架。
根据本申请的一些实施例，所述安装支架形成为中空的圆筒状并限定出沿深度方向排列的所述插入通道和安装通道，所述插入通道的横截面积小于所述安装通道的横截面积，所述第一加热器和所述第二加热器设在所述安装通道内。
根据本申请的一些实施例，所述加热装置还包括加热底座，所述加热底座设在所述安装支架上，所述第二加热器放置在所述加热底座上。
根据本申请的一些实施例，所述安装支架的端部设有朝向所述插入口凹入的盛放槽，所述加热底座放置在所述盛放槽内。
根据本申请的一些实施例，所述第二加热器和所述安装通道所在位置的安装支架周壁面间隔设置。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本申请实施例的加热装置的爆炸图；
图2是根据本申请实施例的加热装置的结构示意图；
图3是图2沿A-A线所示方向的剖面图；
图4是图3的局部放大结构示意图。
附图标记：
加热装置100；烟支200；
外壳1；
壳体10；
安装支架20；插入通道21；插入口22；安装通道23；安装支架周壁面231；盛放槽24；
第一加热器30；加热通道31；
第二加热器40；导热支架41；加热件42；定位凸部43；
加热底座50。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”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，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
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。
下面参考图1-图4描述根据本申请实施例的烟支200的加热装置100。在一些实施例中，加热装置100可以为加热不燃烧的电子烟。
如图1-图3所示，根据本申请一些实施例的烟支200的加热装置100可以包括：外壳1、第一加热器30和第二加热器40。
具体而言，如图3和图4所示，外壳1内设有插入通道21，插入通道21设有用于使烟支200插入的插入口22。第一加热器30设于外壳1，第一加热器30形成为环状，以限定出与插入通道21连通的加热通道31。烟支200可以插入插入通道21和加热通道31内，以实现烟支200的固定，并且通过环状的第一加热器30可以从烟支200的周向上对烟支200进行加热。第二加热器40设于外壳1，以对烟支200进行加热。
通过第一加热器30和第二加热器40同时对烟支200进行加热，实现双重加热，以从烟支200的不同部位提供热源，避免了烟支200采用单热源导致远离热源区域加热效果差的问题。此外，双重加热增大了加热面积，并且第一加热器30能够从烟支200 的周向上包围烟支200，进一步增大了加热的均匀性。由此，使烟支200各个区域加热均匀、雾化均匀，提高了加热效率，有效避免因加热不均匀导致的口味变淡和烟雾量变小等问题，提高了使用者的使用体验。
在一些实施例中，第二加热器40可以为主加热器，第一加热器30可以为辅助加热器，以提高烟支200的加热效率。
在本申请的实施例中，第二加热器40的具体结构和加热部位可以根据实际情况灵活设置。第二加热器40和加热通道31可以沿插入通道21的深度方向错开，以从插入通道21的深度方向(例如图3中a-a线所示方向，对应烟支200的长度方向)上的多个位置对烟支200进行加热，从而提高烟支200在长度方向上的受热均匀性。
例如，在一些实施例中，第二加热器40可以对烟支200的中心部位进行加热，以减小烟支200长度方向两端的温度差，提高加热的均匀性。
再例如，在另一些实施例中，如图3和图4所示，第二加热器40可以设在第一加热器30的背离插入口22的一侧，以对烟支200的端部进行加热，从而与第一加热器30配合实现更大范围内的加热，提高加热均匀性。
根据本申请实施例的烟支200的加热装置100，通过设置第一加热器30和第二加热器40配合对烟支200进行加热，并且第一加热器30为环形以加热烟支的周向，第一加热器30和第二加热器40加热烟支200长度方向的不同部位，使烟支200长度方向和周向上各个区域加热更均匀，雾化更均匀，提高了加热效率，从而解决相关技术中烟支口味变淡以及烟雾量小等问题。
在本申请的一些实施例中，如图3和图4所示，外壳1可以包括壳体10和设于壳体10内的安装支架20，以避免热量直接传导至壳体10的外表面烫伤使用者或者造成热量损失。第一加热器30和第二加热器40均可以设于安装支架20，以避免第一加热器30和第二加热器40直接与壳体10接触导致壳体10过热损坏或发烫。
在一些具体实施例中，安装支架20可以为隔热支架，隔热和保温效果更好。
根据本申请的一些实施例，如图1、图3-图4所示，第二加热器40可以包括导热支架41和加热件42。其中，导热支架41设于外壳1，例如可以设于安装支架20，加热件42固定在导热支架41上，烟支200的一部分可以与导热支架41接触，以使导热支架41将加热件42的热量直接传导致烟支200，提高加热效率。
在一些具体实施例中，导热支架41可以为陶瓷支架，陶瓷支架的导热率高，例如可以达到铜的几十倍；陶瓷支架热膨胀系数低，基本不会产生内应力，避免受热造成损坏；并且陶瓷支架绝缘，无需另外设置绝缘层等复杂结构，结构更简单。此外，陶 瓷支架硬度高、结构稳定、具有良好的抗腐蚀抗氧化能力，能够为加热件42提供更稳定的支撑和固定效果，且提高加热装置100的使用寿命。
在一些具体实施例中，加热件42可以为蜂窝陶瓷加热件。蜂窝陶瓷加热件采用最密的排列方式，最大限度、尽可能多的电阻丝排列，用丝长度达，从而提高加热效率。并且蜂窝陶瓷加热件具有耐高温、抗腐蚀、热震稳定性好、强度高、蓄热量大、导热性能好等优点。
根据本申请的一些实施例，如图3和图4所示，导热支架41可以与第一加热器30接触设置。一方面，导热支架41可以与第一加热器30进行热交换，以进一步提高烟支200端部和周向加热的均匀性，并且使第二加热器40与第一加热器30之间无间隔，从而实现烟支200外表面的连续加热，同样有利于提高加热的均匀性。另一方面，导热支架41可以对第一加热器30进行限位，使第一加热器30固定稳定，例如，在一些具体实施例中，第一加热器30的两端可以分别与导热支架41的端面和安装支架20的台阶面相抵，以实现长度方向的定位。
在一些具体实施例中，导热支架41可以为圆筒状，且圆筒的内周面设有定位凸部43以将圆筒内空间分为彼此连通的第一段和第二段。其中，第一段与加热通道31连通，烟支200的端部插入第一段内且与定位凸部43相抵，以对烟支200的端部进行限位。加热件42伸入第二段内且与定位凸部43相抵，以实现加热件42的限位。并且，通过设置定位凸部43，可以使烟支200的端部与加热件42间隔开一定距离，避免加热件42直接接触烟支200导致烟支200局部温升过高。此外加热件42可以加热定位凸部43所围设区域的空气，以间接加热烟支200，通过热空气辐射和导热支架41导热配合加热烟支200，使烟支200端部加热更均匀且加热效率更高。
下面结合附图描述根据本申请一些实施例的第一加热器30和第二加热器40的安装结构。
在外壳1包括壳体10和安装支架20的一些实施例中，如图3和图4所示，第一加热器30可以设置在安装支架20内，以通过安装支架20将第一加热器30和壳体10间隔开，避免第一加热器30的热量传导至壳体10，且起到了保温作用，减少第一加热器30的热量损失，有利于提高烟支200的加热效率。
在一些实施例中，继续参照图3和图4所示，安装支架20可以形成为中空的圆筒状，并且限定出沿深度方向排列的插入通道21和安装通道23，安装通道23可以与插入通道21的远离插入口22的一端连通。此外，插入通道21的横截面积小于安装通道23的横截面积，以使圆筒状的内周壁形成有台阶面。第一加热器30和第二加热器40 可以设在安装通道23内，以使加热装置100的结构紧凑，便于加热通道31与插入通道21连通，并且安装支架20能够同时对第一加热器30和第二加热器40起到隔热保温的作用，减少热量损失。横截面积较小的插入通道21可以对烟支200进行固定和限位，并且台阶面可以对第一加热器30和第二加热器40进行遮挡，避免在烟支200拔出时第一加热器30和第二加热器40外露或脱落。
在本申请的一些实施例中，如图1和图3-图4所示，加热装置100还可以包括加热底座50，加热底座50设在安装支架20上，第二加热器40放置在加热底座50上，以对第二加热器40进行限位，防止第二加热器40由安装通道23脱出。
在一些实施例中，如图3和图4所示，加热底座50可以设有过孔，第一加热器30和第二加热器40的电连接结构可以通过过孔伸出，以与电源连接，加热底座50将电源和加热器间隔开，起到隔热保护作用，有利于提高电源的使用寿命和安全性。
在一些实施例中，如图3和图4所示，安装支架20的端部可以设有盛放槽24，盛放槽24朝向插入口22凹入，加热底座50可以放置在盛放槽24内，以实现加热底座50与安装支架20的连接，且避免加热底座50与壳体10直接接触导致壳体10升温。
根据本申请的一些实施例，如图3和图4所示，第二加热器40和安装通道23所在位置的安装支架周壁面231(即沿安装通道23的周向延伸的壁面，再即圆筒状安装支架20的限定出安装通道23的部分的内周面)可以间隔设置，以避免第二加热器40的热量传导至安装支架20上造成热量损失，使第二加热器40的热量能够尽可能多地辐射至烟支200，提高了烟支200加热效率。
根据本申请实施例的加热装置100的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (10)

  1. 一种烟支的加热装置，其特征在于，包括：
    外壳，所述外壳内设有插入通道，所述插入通道设有所述烟支插入的插入口；
    第一加热器，所述第一加热器设于所述外壳，所述第一加热器形成为环状以限定出与所述插入通道连通的加热通道，所述烟支插入所述插入通道和所述加热通道内；
    第二加热器，所述第二加热器设于所述外壳，所述第二加热器与所述加热通道沿所述插入通道的深度方向错开。
  2. 根据权利要求1所述的烟支的加热装置，其特征在于，所述第二加热器包括导热支架和加热件，所述导热支架设于所述外壳，所述加热件固定在所述导热支架上。
  3. 根据权利要求2所述的烟支的加热装置，其特征在于，所述导热支架为陶瓷支架，所述加热件为蜂窝陶瓷加热件。
  4. 根据权利要求2所述的烟支的加热装置，其特征在于，所述导热支架与所述第一加热器接触设置。
  5. 根据权利要求1-4中任一项所述的烟支的加热装置，其特征在于，所述外壳包括壳体和安装支架，所述安装支架限定出所述插入通道且设于所述壳体内，所述第一加热器和所述第二加热器设于所述安装支架。
  6. 根据权利要求5所述的烟支的加热装置，其特征在于，所述安装支架为隔热支架。
  7. 根据权利要求5或6所述的烟支的加热装置，其特征在于，所述安装支架形成为中空的圆筒状并限定出沿深度方向排列的所述插入通道和安装通道，所述插入通道的横截面积小于所述安装通道的横截面积，所述第一加热器和所述第二加热器设在所述安装通道内。
  8. 根据权利要求7所述的烟支的加热装置，其特征在于，还包括加热底座，所述加热底座设在所述安装支架上，所述第二加热器放置在所述加热底座上。
  9. 根据权利要求8所述的烟支的加热装置，其特征在于，所述安装支架的端部设有朝向所述插入口凹入的盛放槽，所述加热底座放置在所述盛放槽内。
  10. 根据权利要求8所述的烟支的加热装置，其特征在于，所述第二加热器和所述安装通道所在位置的安装支架周壁面间隔设置。
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