WO2017101251A1 - 一种新型气流预热装置 - Google Patents

一种新型气流预热装置 Download PDF

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Publication number
WO2017101251A1
WO2017101251A1 PCT/CN2016/082258 CN2016082258W WO2017101251A1 WO 2017101251 A1 WO2017101251 A1 WO 2017101251A1 CN 2016082258 W CN2016082258 W CN 2016082258W WO 2017101251 A1 WO2017101251 A1 WO 2017101251A1
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Prior art keywords
pipe
wall
flow
heating
tube
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PCT/CN2016/082258
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English (en)
French (fr)
Inventor
陈家太
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深圳市赛尔美电子科技有限公司
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Application filed by 深圳市赛尔美电子科技有限公司 filed Critical 深圳市赛尔美电子科技有限公司
Priority to JP2017501410A priority Critical patent/JP6431972B2/ja
Priority to EP16805711.5A priority patent/EP3205220B1/en
Priority to US15/269,256 priority patent/US9844233B2/en
Publication of WO2017101251A1 publication Critical patent/WO2017101251A1/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
    • A24F40/48—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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • 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 invention belongs to the technical field of electronic cigarettes, and in particular relates to a novel airflow preheating device.
  • e-cigarettes have gradually developed as a substitute for traditional cigarettes; e-cigarettes generally use smoke oil as a raw material to atomize to produce smoke, which is not a substitute for traditional cigarettes in taste; while traditional cigarettes are smoked. Not fully smoked, it will produce too much harmful substances.
  • the cigarette can be smoked and distilled by the heating device, which can reduce the generation of harmful substances and achieve the effect of smoking true smoke.
  • the fumigated cigarette comprises a gas stream preheating device for heating the incoming gas stream for the next step of introducing the hot gas stream into the cigarette for distillation.
  • the existing airflow preheating device has an unreasonable design of the airflow passage, so that the temperature of the outer wall of the electronic cigarette is too high, resulting in a burning sensation, which brings a bad feeling of use to the electronic cigarette user.
  • the invention provides a novel airflow preheating device, which aims to solve the problem that the airflow passage of the airflow preheating device is unreasonable in the prior art, and the outer wall of the electronic cigarette is overheated.
  • a novel airflow preheating device comprising a heating pipe and a guiding pipe, wherein an upper end of the opening of the lower end of the guiding pipe is closed, and the upper and lower ends of the heating pipe are open;
  • the guiding pipe is nested in the In the heating tube, the outer wall of the draft tube is provided with a flow guiding device, and the lower end wall of the draft tube is provided with an air flow hole;
  • the draft tube is internally provided with a vent tube, and the vent tube is hollow at both ends
  • the outer diameter of the vent pipe is smaller than the inner diameter of the draft tube, so that an air flow space is formed between the outer wall of the vent pipe and the inner wall of the draft tube; the maximum outer diameter of the flow guiding device of the outer wall of the draft tube is less than or equal to heating
  • the inner diameter of the tube; the vent pipe is taken in from the lower end, and the airflow enters the area between the inner wall of the draft tube and the outer wall of the vent tube through the top end of the vent pipe,
  • the flow guiding device is a spiral guide vane.
  • heating tube, the guiding tube and the vent tube are all hollow cylindrical structures.
  • a temperature sensor is disposed on an outer wall or an inner portion of the heating tube.
  • the heating tube is a ceramic, glass or metal heating element.
  • the outside of the heating pipe is further provided with an isolating pipe, and a heat insulating material or a heat insulating device is disposed between the insulating pipe and the heating pipe.
  • the heating tube is connected to the heating circuit to control the heating temperature of the heating tube.
  • the base further includes a base disposed at a bottom of the heating tube, the draft tube, and the vent tube, and fixedly connecting the heating tube, the draft tube, and the bottom of the vent tube.
  • an intake pipe is further connected under the base, and the intake pipe communicates with the air pipe through a through hole in the base.
  • the length of the draft tube is less than or equal to the length of the heating tube.
  • a filter mesh is disposed in the heating tube above the top end of the draft tube.
  • the top end of the heating tube is connected to the upper ring by a sealing rubber ring, and the upper supporting ring is made of PEEK material.
  • the invention provides a sufficient heating time in the preheating device by providing a double U-shaped air flow passage on the inner wall of the heating pipe, and since the air flow passage is all inside the heating pipe, the heat insulating material is disposed outside the heating pipe, and the temperature of the hot air flow It is not easy to conduct to the outer wall of the electronic cigarette, making the use of the electronic cigarette feel better.
  • Figure 1 is a front view of the present invention
  • Figure 2 is a cross-sectional view of the present invention in the direction of Figure 1A-A;
  • Figure 3 is a schematic exploded view of the present invention.
  • a novel airflow preheating device comprises a heating pipe 1 and a guiding tube 2, wherein the heating pipe 1 and the guiding pipe 2 are hollow cylindrical structures, and the guiding pipe 2 is The lower end opening and the upper end are closed, and the heating tube 1 is open at both upper and lower ends; the guiding tube 2 is nested in the heating tube 1, and the length of the tube wall of the guiding tube 2 is less than or equal to the heating tube 1
  • the length of the draft tube 2 is determined by the product characteristics of the electronic cigarette.
  • the heating pipe 1 is made of a heating element made of ceramic, glass or metal, the heating pipe is connected to the heating circuit, and a temperature sensor 7 is provided on the outer wall or inside of the heating pipe 1, the temperature sensor 7 and heating.
  • the circuit collectively controls the heating temperature of the heating pipe 1.
  • the outer wall of the draft tube 2 is provided with a flow guiding device, and the flow guiding device may be a spiral or other type of guiding vane 22, and the lower end wall of the guiding tube is provided with an air flow hole 23 .
  • the inside of the draft tube 2 is provided with a vent tube 3, which is a hollow tube with open ends; the outer diameter of the vent tube 3 is smaller than the inner diameter of the draft tube 2, so that the snorkel An air flow space is formed between the outer wall of the outer wall and the inner wall of the draft tube 2; the outer diameter of the spiral guide vane 22 of the outer wall of the draft tube 2 is less than or equal to the inner diameter of the heating tube, that is, the draft tube can be smoothly plugged
  • the inside of the heating tube is shown, but the spiral guide vanes 22 and the inner wall of the heating tube 1 retain a small gap or close contact.
  • the airflow enters from the lower end of the vent pipe 3, and the airflow enters the region between the inner wall of the draft tube 2 and the outer wall of the vent pipe 3 through the top opening of the vent pipe 3, and then flows through the airflow hole at the lower end of the draft tube 2.
  • 23 enters a space formed by the outer wall of the draft tube 2 and the inner wall of the heating tube 1, and the airflow is guided through the spiral guide vane 22 from the bottom to the top of the draft tube, in the process, the heating tube 1 continues to heat the gas stream such that the gas stream exits the top end of the heating tube as a hot gas stream.
  • An insulating tube 6 is disposed on the outside of the heating tube 1 , and the insulating tube 6 is made of a stainless steel tube.
  • An insulating material or a heat insulating device is disposed between the insulating tube 6 and the heating tube 1 .
  • a vacuum layer is selected, and the heat insulating material is selected from a heat resistant silicone ring.
  • the base 5 further includes a through hole at the center of the base, and the base 5 is disposed at the bottom of the heating pipe 1, the draft tube 2, and the vent pipe 3, and is fixedly connected to the heating pipe 1 and the draft tube 2.
  • the bottom of the vent pipe 3 provides support for the heating pipe 1, the draft tube 2, and the vent pipe 3.
  • the base can be made of PEEK material, which is beautiful and heat resistant.
  • an intake pipe 4 is connected below the base 5.
  • the intake pipe 4 communicates with the vent pipe 3 through a through hole in the base, and the airflow enters from the intake pipe 4 and enters through the through hole in the base.
  • the vent pipe 3 is then circulated from bottom to top via the vent pipe 3.
  • the filter tube 8 is disposed above the top end of the draft tube 2 in the heating tube 1, and the top end of the heating tube 1 is sealed.
  • the apron is connected to the upper ring 9, and the upper ring is made of PEEK.

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  • Resistance Heating (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)

Abstract

一种新型气流预热装置，包含加热管（1）、导流管（2），导流管（2）下端开口上端封闭，加热管（1）上下两端开口；导流管（2）嵌套在加热管（1）内，导流管（2）的外壁设有导流装置，导流管（2）下端壁上开有气流孔（23）；导流管（2）内部设置通气管（3），通气管（3）为两端开口的空心管；通气管（3）的外径小于导流管（2）的内径，使通气管（3）外壁与导流管（2）内壁之间形成气流空间；导流管（2）外壁的导流装置的最大外径小于等于加热管（1）的内径；通气管（3）从下端进气，气流经通气管（3）顶端进入导流管（2）内壁与通气管（3）外壁之间的区域，再经导流管（2）壁上的气流孔（23）进入导流管（2）外壁与加热管（1）内壁形成的空间，经导流装置引导气流自下而上从导流管（2）的顶端流出。气流预热装置采用优化的气流通道，使电子烟外壁不易发热。

Description

一种新型气流预热装置 技术领域
本发明属于电子烟技术领域，尤其涉及一种新型气流预热装置。
背景技术
在当今社会，电子烟作为传统香烟的替代品已逐渐发展起来；电子烟一般都是用烟油作为原料来雾化产生烟雾，其在口感上并不能替代传统香烟；而传统香烟在熏烤时不能充分熏烤，会产生过多的有害物质。通过加热装置可以对香烟进行熏烤蒸馏，可以减少有害物质的产生并达到吸食真烟的效果。
现有技术中，熏蒸香烟包含一个气流预热装置，使对进入的气流进行加热以进行下一步将热气流导入香烟进行蒸馏作用。但是现有的气流预热装置因为气流通道设计不合理，使电子烟的外壁温度过高，导致灼烫的感觉产生，给电子烟使用者带来不好的使用感觉。
发明内容
本发明提供一种新型气流预热装置，旨在解决现有技术中气流预热装置气流通道不合理，导致电子烟外壁过热的问题。
为实现以上目的，提供一种新型气流预热装置，包含加热管、导流管，所述导流管下端开口上端封闭，所述加热管上下两端开口；所述导流管嵌套在所述加热管内，所述导流管的外壁设有导流装置，所述导流管下端壁上开有气流孔；所述导流管内部设置通气管，所述通气管为两端开口的空心管；所述通气管的外径小于导流管的内径，使通气管外壁与导流管内壁之间形成气流空间；所述导流管外壁的所述导流装置的最大外径小于等于加热管的内径；所述通气管从下端进气，气流经通气管顶端进入导流管内壁与通气管外壁之间的区域，再经导流管壁上的气流孔进入导流管外壁与加热管内壁形成的空间，经所述导 流装置引导气流自下而上从所述导流管的顶端流出。
进一步的，所述导流装置为螺旋状的导流叶。
进一步的，所述加热管、导流管、通气管全部为空心圆柱体结构。
进一步的，所述加热管的外壁或内部设有温度传感器。
进一步的，所述加热管为陶瓷、玻璃或金属发热体。
进一步的，所述加热管的外部还设有隔离管，所述隔离管与加热管之间设置隔热材料或者隔热装置。
进一步的，所述加热管连接加热电路，控制所述加热管的加热温度。
进一步的，还包含底座，所述底座设置在加热管、导流管、通气管的底部，并固定连接所述加热管、导流管、通气管的底部。
进一步的，所述底座下方还连接一进气管，所述进气管通过底座上的通孔连通所述通气管。
进一步的，所述导流管的长度小于或等于所述加热管的长度。
进一步的，所述加热管内位于导流管顶端的上方设置过滤网。
进一步的，所述加热管的顶端通过密封胶圈连接上托环，所述上托环采用PEEK材质。
本发明通过在加热管内壁设置双U形气流通道，使气体在预热装置内具有足够的加热时间，且由于气流通道全部处于加热管的内部，加热管外部设置隔热材料，热气流的温度不易传导到电子烟外壁，使电子烟的使用感觉更好。
附图说明
图1为本发明正视图；
图2为本发明在图1A-A方向剖视图；
图3为本发明爆炸示意图。
1 加热管 2 导流管
3 通气管 4 进气管
5 底座 6 隔离管
7 温度传感器 8 过滤网
22 导流叶 23 气流孔
9 上托环    
具体实施方式
以下将结合附图对本发明的具体实现过程以及实施效果进行详细描述。
如图1和图2所示，一种新型气流预热装置，包含加热管1、导流管2，所述加热管1和导流管2为空心圆柱体结构，所述导流管2的下端开口、上端封闭，所述加热管1上下两端开口；所述导流管2嵌套在所述加热管1内，所述导流管2的管壁长度小于或等于所述加热管1的长度，所述导流管2的长度由电子烟的产品特性决定。如图3所示，所述加热管1采用陶瓷、玻璃或金属等材质的发热体，加热管连接加热电路，并且在加热管1的外壁或内部设置温度传感器7，所述温度传感器7和加热电路共同控制所述加热管1的加热温度。
如图2和图3所示，导流管2的外壁设有导流装置，导流装置可以是螺旋状或其他样式的导流叶22，所述导流管下端壁上开有气流孔23。
进一步如图2所示，导流管2的内部设置通气管3，所述通气管3为两端开口的空心管；所述通气管3的外径小于导流管2的内径，使通气管3的外壁与导流管2的内壁之间形成气流空间；所述导流管2外壁的螺旋导流叶22的最大外径小于或等于加热管的内径，即所述导流管可以顺利塞入所示加热管内部，但是在螺旋导流叶22与加热管1内壁保留较小间隙或紧贴。
参考图2中的气流箭头流向，气流从通气管3下端进入，气流经通气管3顶端开口进入导流管2内壁与通气管3外壁之间的区域，再经导流管2下端的气流孔23进入导流管2的外壁与加热管1的内壁形成的空间，经所述螺旋状导流叶22引导气流自下而上从所述导流管的顶端流出，在此过程中，加热管1持续为所述气流加热，使所述气流从加热管顶端出去时为热气流。
为了进一步保障电子烟使用人在握持电子烟时不被加热中的电子烟烫坏， 所述加热管1的外部还设有隔离管6，所述隔离管6为不锈钢管材质，所述隔离管6与加热管1之间设置隔热材料或者隔热装置，所述隔热装置可选真空层，所述隔热材料可选耐热硅胶圈。
进一步的，还包含底座5，所述底座中心设有通孔，所述底座5设置在加热管1、导流管2、通气管3的底部，并固定连接所述加热管1、导流管2、通气管3的底部，为所述加热管1、导流管2、通气管3提供支撑作用，所述底座可以选择PEEK材质，美观且耐热。
为了进一步方便进气，所述底座5下方还连接一进气管4，所述进气管4通过底座上的通孔连通所述通气管3，气流从进气管4进入，经过底座上的通孔进入所述通气管3，然后经通气管3由下往上流通。
进一步的，为避免电子烟上方设置的香烟产生的渣滓漏到下方预热装置中，所述加热管1内位于导流管2顶端的上方设置过滤网8，所述加热管1的顶端通过密封胶圈连接上托环9，所述上托环采用PEEK材质。
以上参照附图说明了本发明的优选实施例，并非因此局限本发明的权利范围。本领域技术人员不脱离本发明的范围和实质内所作的任何修改、等同替换和改进，均应在本发明的权利范围之内。

Claims (12)

  1. 一种新型气流预热装置，包含加热管、导流管，所述导流管下端开口上端封闭，所述加热管上下两端开口；所述导流管嵌套在所述加热管内，所述导流管的外壁设有的导流装置，所述导流管下端壁上开有气流孔；所述导流管内部设置通气管，所述通气管为两端开口的空心管；所述通气管的外径小于导流管的内径，使通气管外壁与导流管内壁之间形成气流空间；所述导流管外壁的所述导流装置的最大外径小于等于加热管的内径；所述通气管从下端进气，气流经通气管顶端进入导流管内壁与通气管外壁之间的区域，再经导流管壁上的气流孔进入导流管外壁与加热管内壁形成的空间，经所述导流装置引导气流自下而上从所述导流管的顶端流出。
  2. 根据权利要求1所述的新型气流预热装置，其特征在于：所述导流装置为螺旋状的导流叶。
  3. 根据权利要求1所述的新型气流预热装置，其特征在于：所述加热管、导流管、通气管全部为空心圆柱体结构。
  4. 根据权利要求1或2所述的新型气流预热装置，其特征在于：所述加热管的外壁或内部设有温度传感器。
  5. 根据权利要求4所述的新型气流预热装置，其特征在于：所述加热管为陶瓷、玻璃或金属发热体。
  6. 根据权利要求1或2所述的新型气流预热装置，其特征在于：所述加热管的外部还设有隔离管，所述隔离管与加热管之间设置隔热材料或者隔热装置。
  7. 根据权利要求1所述的新型气流预热装置，其特征在于：所述加热管连接加热电路，控制所述加热管的加热温度。
  8. 根据权利要求1所述的新型气流预热装置，其特征在于：还包含底座，所述底座设置在加热管、导流管、通气管的底部，并固定连接所述加热管、导流管、通气管的底部。
  9. 根据权利要求8所述的新型气流预热装置，其特征在于：所述底座下方还连 接一进气管，所述进气管通过底座上的通孔连通所述通气管。
  10. 根据权利要求1所述的新型气流预热装置，其特征在于：所述导流管的长度小于或等于所述加热管的长度。
  11. 根据权利要求1所述的新型气流预热装置，其特征在于：所述加热管内位于导流管顶端的上方设置过滤网。
  12. 根据权利要求1所述的新型气流预热装置，其特征在于：所述加热管的顶端通过密封胶圈连接上托环，所述上托环采用PEEK材质。
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