WO2018018599A1 - 电子烟及其雾化器 - Google Patents

电子烟及其雾化器 Download PDF

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Publication number
WO2018018599A1
WO2018018599A1 PCT/CN2016/092244 CN2016092244W WO2018018599A1 WO 2018018599 A1 WO2018018599 A1 WO 2018018599A1 CN 2016092244 W CN2016092244 W CN 2016092244W WO 2018018599 A1 WO2018018599 A1 WO 2018018599A1
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WO
WIPO (PCT)
Prior art keywords
atomizer
electronic cigarette
liquid
atomizing
cigarette according
Prior art date
Application number
PCT/CN2016/092244
Other languages
English (en)
French (fr)
Inventor
陈志平
Original Assignee
深圳麦克韦尔股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳麦克韦尔股份有限公司 filed Critical 深圳麦克韦尔股份有限公司
Priority to PCT/CN2016/092244 priority Critical patent/WO2018018599A1/zh
Priority to US16/306,926 priority patent/US11083223B2/en
Publication of WO2018018599A1 publication Critical patent/WO2018018599A1/zh

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Classifications

    • 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
    • A24F40/42—Cartridges or containers for 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
    • A24F40/44—Wicks
    • 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
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the invention relates to the technical field of smoking articles, in particular to an electronic cigarette and an atomizer thereof.
  • Electronic cigarettes are also known as virtual cigarettes.
  • the atomizer of the electronic cigarette is used to store the liquid smoke and atomize the liquid.
  • the volume of the atomizer is generally small, and the space for the atomizer to store the smoke liquid is also small. Therefore, the general nebulizer has a small amount of liquid storage and cannot meet the needs.
  • An atomizer for an electronic cigarette comprising a liquid storage assembly and an atomization assembly;
  • the liquid storage assembly comprises a plastic outer tube and a metal inner tube, the plastic outer tube comprising an outer tube body and a connecting portion disposed in the outer tube body, the connecting portion being integrally connected with the outer tube body;
  • the metal inner tube is disposed in the outer tube body, and the metal inner tube is directly connected to the connecting portion; the inner metal tube defines an air suction passage, and between the plastic outer tube and the metal inner tube Forming a reservoir chamber;
  • the atomization assembly is connected to the liquid storage assembly, the atomization assembly is configured to suck the smoke liquid in the liquid storage chamber, and atomize the smoke liquid; the atomization assembly is provided with an air flow passage.
  • the air flow passage is in communication with the intake passage.
  • An electronic cigarette comprising a battery device and the atomizer, the battery device being coupled to the atomizer, the battery device powering the atomizer.
  • the liquid storage assembly comprises a plastic outer tube and a metal inner tube, wherein the metal inner tube can be made thin, and the thin metal inner tube can ensure the structural strength, thereby increasing the liquid storage chamber
  • the volume increases the amount of liquid stored.
  • the metal inner tube is directly connected with the connecting portion of the plastic outer tube, and the connecting portion and the outer tube body are integrally connected, the structure is simple, no other complicated connecting structure is needed, space is saved, the volume of the liquid storage chamber can be further increased, and the volume can be further increased. The amount of liquid stored.
  • FIG. 1 is a perspective view of an electronic cigarette in an embodiment
  • FIG. 2 is a perspective exploded view of the electronic cigarette shown in FIG. 1;
  • FIG. 3 is a perspective exploded view of the atomizer in the electronic cigarette shown in FIG. 1;
  • Figure 4 is a cross-sectional view of the atomizer in the electronic cigarette shown in Figure 1;
  • Figure 5 is a partial enlarged view of the atomizing assembly in the electronic cigarette shown in Figure 4;
  • FIG. 6 is a perspective exploded view of the atomizing assembly in the electronic cigarette shown in FIG. 1;
  • FIG. 7 is a schematic view showing the cooperation of the atomizing assembly and the connecting assembly in the electronic cigarette shown in FIG. 1;
  • FIG. 8 is a schematic exploded view of an atomizing assembly and a connecting assembly in the electronic cigarette shown in FIG. 7;
  • Figure 9 is a cross-sectional view of the atomizing assembly and the connecting assembly of the electronic cigarette of Figure 7.
  • an electronic atomization device will be described more fully hereinafter with reference to the accompanying drawings.
  • a preferred embodiment of an electronic atomization device is given in the drawings.
  • the electronic atomization device can be implemented in many different forms and is not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to make the disclosure of the electronic atomizing device more thorough and comprehensive.
  • the electronic cigarette of an embodiment includes an atomizer 10 and a battery device 20.
  • the atomizer 10 and the battery device 20 can be connected in a detachable manner, such as a screw connection, and the battery device 20 is used.
  • the atomizer 10 is powered.
  • the atomizer 10 includes a liquid storage assembly 100 and an atomizing assembly 200.
  • the liquid storage assembly 100 includes a plastic outer tube 120 and a metal inner tube 140.
  • the plastic outer tube 120 includes an outer tube body 122 and a connecting portion 124 disposed in the outer tube body 122.
  • the connecting portion 124 is integrally connected with the outer tube body 122.
  • the metal inner tube 140 is disposed in the outer tube body 122, and the metal inner tube 140 is directly connected to the connecting portion 124.
  • the metal inner tube 140 may be a stainless steel tube, or may be a tube mainly composed of a metal material such as a steel tube or a carbon tube.
  • An intake passage 142 is formed inside the metal inner tube 140, and a liquid storage chamber 160 is formed between the plastic outer tube 120 and the metal inner tube 140.
  • the atomizing assembly 200 is coupled to the liquid storage assembly 100.
  • the atomizing assembly 200 is configured to suck the liquid smoke in the liquid storage chamber 160 and atomize the liquid smoke.
  • the atomizing assembly 200 is provided with an air flow passage 210, and the air flow passage 210 is in communication with the air suction passage 142.
  • the liquid storage assembly 100 includes the plastic outer tube 120 and the metal inner tube 140, wherein the metal inner tube 140 can be made thin, the thin metal inner tube 140 can ensure the structural strength, and thus the volume of the liquid storage chamber 160 can be increased.
  • the metal inner tube 140 is directly connected to the connecting portion 124 of the plastic outer tube 120.
  • the connecting portion 124 and the outer tube body 122 are integrally connected, the structure is simple, no other complicated connecting structure is needed, space is saved, and the liquid storage can be further increased.
  • the volume of the cavity 160 increases the amount of liquid stored.
  • the first one is the inner and outer tubes, which are all injection molded by plastic.
  • the inner tube needs a certain wall thickness to meet certain mechanical properties.
  • the metal inner tube 140 is used to greatly reduce the wall thickness, and in the small-sized electronic cigarette, the wall thickness can be significantly increased by the liquid storage amount.
  • the second type is that the inner tube is a metal tube and the outer tube is a plastic or glass tube.
  • the structure of the liquid storage assembly is often complicated, and some connecting members are generally used to fix the inner and outer tubes.
  • the metal inner tube 140 is directly connected to the connecting portion 124 of the plastic outer tube 120, and the overall liquid storage assembly 100 has a simpler structure.
  • the plastic outer tube 120 may further include an end wall 126 disposed at an end of the outer tube body 122, the connecting portion 124 is tubular, and one end of the connecting portion 124 is connected to the end wall 126 and communicates with the outside.
  • the metal inner tube 140 is sleeved on the connecting portion 124 through the other end of the connecting portion 124 to facilitate assembly.
  • the outer tube body 122, the end wall 126 and the connecting portion 124 are integrally connected to facilitate injection molding.
  • the connecting portion 124 and the metal inner tube 140 are tightly coupled, and the connecting portion 124 and the metal inner tube 140 are sealed to prevent the liquid smoke in the liquid storage chamber 160 from entering the air suction passage 142.
  • the outer diameter of at least a portion of the connecting portion 124 may be slightly larger than the inner diameter of the inner metal tube 140 such that the connecting portion 124 may be tightly engaged with the inner metal tube 140.
  • the connecting portion 124 may include a first portion 124a and a second portion 124b, the first portion 124a is coupled to the end wall 126, the first portion 124a is tightly mated with the metal inner tube 140, and the second portion 124b is coupled to the first portion 124a is connected, and a gap 144 is formed between the second portion 124b and the metal inner tube 140.
  • the outer diameter of the first portion 124a may be slightly larger than the inner diameter of the inner metal tube 140 such that the first portion 124a may be tightly fitted with the inner metal tube 140, and the outer diameter of the second portion 124b may be slightly smaller than the inner diameter of the inner metal tube 140, such that There is a gap 144 between the second portion 124b and the metal inner tube 140.
  • the slit 144 can reduce the condensed soot on the inner wall of the inner metal tube 140 to climb into the user's mouth through the connecting portion 124.
  • the end of the metal inner tube 140 can abut the end wall 126 to achieve a double seal connection to prevent the smoke liquid in the reservoir 160 from entering the suction passage 142.
  • the end of the metal inner tube 140 is provided with a chamfer 146, and the chamfer 146 is adjacent to the connecting portion 124.
  • the atomizer 10 of an embodiment further includes a connection assembly 300, the connection assembly 300 is coupled to the outer tube body 122, and the connection assembly 300 confines the atomization assembly 200 within the outer tube body 122.
  • the connection assembly 300 For connection to the battery device 20, the connection assembly 300 may be provided with threads 320 for connecting the battery device 20.
  • the atomizer 10 may further include a connector 400 that includes a tubular portion 420 and a step portion 440 disposed outside the tubular portion 420. One end of the tubular portion 420 extends into the metal inner tube 140, and the other end of the tubular portion 420 extends into the air flow passage 210. The two sides of the step portion 440 respectively abut the tubular portion 420 and the atomizing assembly 200 to facilitate the installation and positioning.
  • the atomizing assembly 200 includes a porous body 220 and a heat generating structure (not shown).
  • the porous body 220 includes a liquid absorbing surface 222, an atomizing surface 224, and a side surface 226, and a liquid absorbing surface.
  • the 222 is for drawing in the liquid from the liquid storage chamber 160, and the heat generating structure is located on the atomizing surface 224.
  • the gas flow passage 210 flows through the atomizing surface 224 and communicates with the suction passage 142, and at least a portion of the gas flow passage 210 extends from the side surface 226 toward the inside of the porous body 220.
  • the liquid absorbing surface 222 is used for sucking the liquid smoke in the liquid storage chamber 160.
  • the heat generating structure on the atomizing surface 224 is used to atomize the liquid smoke, and the smoke generated at the atomizing surface 224 enters the air flow channel 210 with the air flow, and the air flow channel 210 At least one of the sections extends from the side 226 to the interior of the porous body 220.
  • the section of the airflow passage 210 can reduce the cross-sectional area of the heat conduction path of the atomizing surface 224 to the liquid-absorbing surface 222 on the one hand, and can atomize on the other hand.
  • the large amount of heat conducted by the surface 224 to the liquid-absorbent surface 222 is carried away, so that the heat transferred from the atomizing surface 224 to the liquid-absorbing surface 222 can be greatly reduced, and the internal heat of the porous body 220 can be prevented from being caused to cause the liquid or gas inside the porous body 220 to expand and become porous.
  • the fluid pressure inside the body 220 is large to hinder the transmission of the smoke liquid, thereby improving the liquid guiding effect of the porous body 220, and avoiding the smoke liquid in the liquid storage chamber 160 absorbing more heat from the liquid absorption surface 222, thereby causing energy waste, and additionally Avoiding a rise in the temperature of the smoke liquid causes a change in the composition of the smoke liquid.
  • the negative pressure can further accelerate the transmission of the liquid due to the negative pressure generated by the air flow.
  • the atomizing assembly 200 has a cylindrical shape, and the atomizing assembly 200 is provided with a mounting notch 240 .
  • the connecting assembly 300 includes a main body portion 340 and a card extending from the main body portion 340 .
  • the connecting portion 360, the thread 320 can be located on the main body portion 340, and the engaging portion 360 extends into the mounting notch 240 to engage the connecting assembly 300 with the atomizing assembly 200.
  • the connecting component 300 and the atomizing component 200 are engaged by the mounting notch 240, which not only facilitates the installation, but also improves the structural stability.
  • the atomizing assembly 200 further includes a gasket 260 that encases at least a portion of the porous body 220.
  • the gasket 260 covers the liquid-absorbent surface 222, and a limited flow hole 262 is formed in the gasket 260 covering the liquid-absorbent surface 222 to serve as a current limiting function.
  • the gasket 260 also covers the junction of the porous body 220 and the outer tube body 122, sealing the gap between the porous body 220 and the outer tube body 122.
  • the gasket 260 may be made of a silicone material or other material having a sealing and heat insulating function.
  • the gasket 260 encloses the porous body 220 to reduce unnecessary evaporation of the smoke liquid, and at the same time has a heat insulating effect, avoiding external overheating of the electronic cigarette and saving energy.
  • the silicone pad also prevents hard contact between the porous body 220 and other components, thereby preventing damage to the porous body 220.
  • the porous body 220 is an integrally formed structure, and the porous body 220 includes a liquid absorbing portion, an atomizing portion, and a liquid guiding portion between the liquid absorbing portion and the atomizing portion.
  • the liquid-absorbent surface 222 is located on a side of the liquid-absorbent portion remote from the liquid-conducting portion, and the atomizing surface 224 is located on a side of the atomizing portion that is away from the liquid-conducting portion.
  • the air flow channel 210 includes a first sub-channel 212, a second sub-channel 214, and a third sub-channel 216 that are sequentially connected, a side wall of the atomization portion, a side wall of the liquid-conducting portion, and an inner wall of the connection assembly 300.
  • the first sub-channel 212 is located
  • the second sub-channel 214 is located inside the liquid-conducting portion
  • the second sub-channel 214 is extended from the inside of the liquid guiding portion by the side surface 226, and the third sub-channel 216 is located inside the liquid-absorbent portion
  • the third sub-channel 216 is in communication with the inspiratory passage 142.
  • the atomizing surface 224 generates atomization, the airflow takes away the smoke at the atomizing surface 224, enters the first sub-channel 212, then enters the third sub-channel 216 through the second sub-channel 214, and finally enters through the inhalation channel 142. In the mouth of the person.
  • the number of the first sub-channel 212 and the second sub-channel 214 is two, the number of the third sub-channels 216 is one, and the third sub-channel 216 is located in the middle of the liquid-absorbent portion.
  • One ends of the two second sub-channels 214 are respectively in communication with the two first sub-channels 212, and the other ends of the two second sub-channels 214 are in communication with the third sub-channel 216.
  • the number of the first sub-channel 212 and the second sub-channel 214 may also be three or four. The smaller number is convenient for processing, and the larger the number, the better the heat dissipation effect.
  • the tail end of the wire is soldered to the liquid absorbing surface 222 to ensure a stable connection of the wire.
  • holes 228 reserved for the wires in the porous body 220 can be seen in Fig. 4.
  • the heat generating structure may be a heat generating circuit layer or a heat generating film.
  • the heating circuit layer can be plated on the atomizing surface 224.
  • the heat generating film may be a porous heat generating film formed on the atomizing surface 224 by a vapor deposition method, and the porous heat generating film has a thickness of 0.5 ⁇ m to 1.5 ⁇ m.
  • the micropores on the porous heating film can greatly increase the contact area with the smoke liquid and improve the atomization efficiency.
  • the porous heat generating film has a thickness of from 0.8 ⁇ m to 1 ⁇ m.
  • the porous heating film is located on the atomizing surface 224 of the porous body 220, so that the atomized liquid is escaping from the porous body 220, and the porous heating film can uniformly heat the surface of the porous body 220, so that the temperature of the atomization is uniform. Consistently, there is no problem of large atomized particles caused by low local temperature, which ensures uniform atomization particles and improves the taste of the electronic cigarette.
  • the pores on the porous heat generating membrane have a pore diameter of from 5 ⁇ m to 30 ⁇ m. Further, in one embodiment, the thickness of the porous heat generating film is smaller than the pore size of the micropores on the porous body 220.
  • the porous body 220 is a porous ceramic body, the pores of the porous body 220 have a pore diameter of from 1 ⁇ m to 100 ⁇ m, and the porosity of the porous body 220 is from 30% to 83%.
  • the porosity can be adjusted according to the composition of different smoke liquids. For example, the viscosity of the liquid smoke is large and the porosity is higher.
  • the volume of the micropores having a pore diameter of 5 ⁇ m to 30 ⁇ m on the porous body 220 accounts for 60% or more of the volume of all the micropores on the porous body 220, and the porous body 220 has a moderate penetration effect.

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Abstract

一种电子烟及其雾化器，雾化器（10）包括储液组件（100）和雾化组件（200）。储液组件（100）包括塑料外管（120）和金属内管（140），塑料外管（120）包括外管本体（122）和设置在外管本体（122）内的连接部（124），连接部（124）与外管本体（122）一体连接。金属内管（140）设置在外管本体（122）内，金属内管（140）直接与连接部（124）连接。金属内管（140）内部形成吸气通道（142），塑料外管（120）和金属内管（140）之间形成储液腔（160）。雾化组件（200）与储液组件（100）连接，雾化组件（200）用于吸取储液腔（160）内的烟液，并将烟液雾化。雾化组件（200）开设有气流通道（210），气流通道（210）与吸气通道（142）连通。

Description

电子烟及其雾化器
【技术领域】
本发明涉及烟具的技术领域，特别是涉及一种电子烟及其雾化器。
【背景技术】
电子烟又名虚拟香烟。电子烟的雾化器用于存储烟液，并将烟液雾化。为了方便携带和使用，雾化器的体积一般较小，雾化器用于存储烟液的空间也比较小。因此，一般的雾化器储液量少，无法满足需要。
【发明内容】
基于此，有必要提供一种能够增大储液量的电子烟及其雾化器。
一种电子烟的雾化器，包括储液组件和雾化组件；
所述储液组件包括塑料外管和金属内管，所述塑料外管包括外管本体和设置在所述外管本体内的连接部，所述连接部与所述外管本体一体连接；所述金属内管设置在所述外管本体内，所述金属内管直接与所述连接部连接；所述金属内管内部形成吸气通道，所述塑料外管和所述金属内管之间形成储液腔；
所述雾化组件与所述储液组件连接，所述雾化组件用于吸取所述储液腔内的烟液，并将所述烟液雾化；所述雾化组件开设有气流通道，所述气流通道与所述吸气通道连通。
一种电子烟，包括电池装置和所述的雾化器，所述电池装置和所述雾化器连接，所述电池装置为所述雾化器供电。
上述电子烟及其雾化器，储液组件包括塑料外管和金属内管，其中金属内管可以做的很薄，很薄的金属内管就可以保证结构强度，因此可以增大储液腔的体积，提高储液量。同时，金属内管直接与塑料外管的连接部连接，连接部与外管本体是一体连接结构，结构简单，无需其他复杂的连接结构，节约空间，可以进一步增大储液腔的体积，提高储液量。
【附图说明】
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他实施例的附图。
图1为一实施例中电子烟的立体示意图；
图2为图1所示电子烟的立体分解示意图；
图3为图1所示电子烟中的雾化器的立体分解示意图；
图4为图1所示电子烟中的雾化器的剖视图；
图5为图4所示电子烟中的雾化组件的局部放大图；
图6为图1所示电子烟中的雾化组件的立体分解示意图；
图7为图1所示电子烟中的雾化组件和连接组件的配合示意图；
图8为图7所示电子烟中的雾化组件和连接组件的拆分示意图；
图9为图7所示电子烟中的雾化组件和连接组件的剖视图。
【具体实施方式】
为了便于理解本发明，下面将参照相关附图对电子雾化装置进行更全面的描述。附图中给出了电子雾化装置的首选实施例。但是，电子雾化装置可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对电子雾化装置的公开内容更加透彻全面。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在电子雾化装置的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及／或”包括一个或多个相关的所列项目的任意的和所有的组合。
如图1、图2所示，一实施方式的电子烟包括雾化器10和电池装置20，雾化器10和电池装置20可以通过可拆卸的方式连接，如螺纹连接，电池装置20用于为雾化器10供电。
同时参见图3、图4，雾化器10包括储液组件100和雾化组件200。储液组件100包括塑料外管120和金属内管140，塑料外管120包括外管本体122和设置在外管本体122内的连接部124，连接部124与外管本体122一体连接。金属内管140设置在外管本体122内，金属内管140直接与连接部124连接。金属内管140可以是不锈钢管，也可以是钢管、碳素管等其他主要包含金属材质的管。金属内管140内部形成吸气通道142，塑料外管120和金属内管140之间形成储液腔160。雾化组件200与储液组件100连接，雾化组件200用于吸取储液腔160内的烟液，并将烟液雾化。雾化组件200开设有气流通道210，气流通道210与吸气通道142连通。
由于储液组件100包括塑料外管120和金属内管140，其中金属内管140可以做的很薄，很薄的金属内管140就可以保证结构强度，因此可以增大储液腔160的体积，提高储液量。同时，金属内管140直接与塑料外管120的连接部124连接，连接部124与外管本体122是一体连接结构，结构简单，无需其他复杂的连接结构，节约空间，可以进一步增大储液腔160的体积，提高储液量。
传统的储液组件主要有两种，第一种是内外管为一体的，均由塑胶注塑成型，但由于塑料的强度较弱，其内管需要有一定的壁厚，才能满足一定的力学性能，而本实施例中采用金属内管140可以大大减小壁厚，在小尺寸的电子烟中，该壁厚的减小可以明显增大储液量。第二种，是内管为金属管，外管为塑料或玻璃管，然而，这种储液组件结构往往复杂，一般采用一些连接部件来固定内外管。本实施例中，金属内管140直接连接到塑料外管120的连接部124上，整体储液组件100结构更加简单。
在其中一个实施例中，塑料外管120还可以包括端壁126，端壁126设置在外管本体122的端部，连接部124呈管状，连接部124的一端与端壁126连接且与外界连通，金属内管140通过连接部124的另一端套接在连接部124上，方便组装。外管本体122、端壁126和连接部124一体连接，方便注塑成型。
同时参见图5，在一实施例中，连接部124和金属内管140紧配合连接，且连接部124和金属内管140之间密封，防止储液腔160内的烟液进入吸气通道142。具体的，至少部分连接部124的外径可以略大于金属内管140的内径，使得连接部124可以与金属内管140紧配合。进一步的，在一实施例中，连接部124可以包括第一部分124a和第二部分124b，第一部分124a与端壁126连接，第一部分124a与金属内管140紧配合，第二部分124b与第一部分124a连接，第二部分124b与金属内管140之间具有缝隙144。具体的，第一部分124a的外径可以略大于金属内管140的内径，使得第一部分124a可以与金属内管140紧配合，第二部分124b的外径可以略小于金属内管140的内径，使得第二部分124b与金属内管140之间具有缝隙144。该缝隙144可以降低金属内管140内壁上凝结的烟液经过连接部124爬入使用者口中。
在一实施例中，金属内管140的端部可以抵接端壁126，实现二重密封连接，防止储液腔160内的烟液进入吸气通道142。进一步的，在一实施例中，金属内管140的端部设置有倒角146，倒角146靠近连接部124，避免金属内管140与连接部124连接时，连接部124插入金属内管140中，金属内管140从塑料的连接部124上铲下塑料碎屑，污染烟液。
再参见图3、图4，一实施例的雾化器10还包括连接组件300，连接组件300与外管本体122连接，连接组件300将雾化组件200限制在外管本体122内，连接组件300用于与电池装置20连接，连接组件300上可以设置有用于连接电池装置20的螺纹320。在一实施例中，雾化器10还可以包括连接件400，连接件400包括管状部420和设置在管状部420外部的台阶部440。管状部420的一端伸入金属内管140中，管状部420的另一端伸入气流通道210中，台阶部440的两侧分别抵接管状部420和雾化组件200，以方便安装定位。
同时参见图6，在一实施例中，雾化组件200包括多孔体220和发热结构（图中未示出），多孔体220包括吸液面222、雾化面224和侧面226，吸液面222用于从储液腔160吸入烟液，发热结构位于雾化面224上。气流通道210流经雾化面224并连通吸气通道142，气流通道210中的至少一段由侧面226向多孔体220的内部延伸。
吸液面222用于吸取储液腔160内的烟液，雾化面224上的发热结构用于将烟液雾化，雾化面224处产生的烟雾随气流进入气流通道210，气流通道210中的至少一段由侧面226向多孔体220的内部延伸，该段气流通道210一方面可以减小雾化面224向吸液面222的热量传导路径的截面积，另一方面，可以把雾化面224向吸液面222传导的大量热量带走，从而可以大大减少雾化面224向吸液面222传导的热量，避免多孔体220的内部过热而导致多孔体220内部液体或气体膨胀造成多孔体220内部的流体压力较大阻碍烟液传输，从而提高了多孔体220的导液效果，同时避免储液腔160中烟液从吸液面222吸收较多热量，造成能量浪费，另外还可避免烟液温度升高较多导致烟液成分发生改变。同时，由于气流会产生负压，负压可以进一步加速烟液的传输。
同时参见图7、图8，在其中一个实施例中，雾化组件200呈圆柱状，雾化组件200上开设有安装缺口240，连接组件300包括主体部340和由主体部340延伸出的卡接部360，螺纹320可以位于主体部340上，卡接部360伸入安装缺口240，使连接组件300与雾化组件200卡接。连接组件300与雾化组件200通过安装缺口240卡接，不仅方便安装，同时还能够提高结构的稳固性。
再参见图6，在一实施例中，雾化组件200还包括密封垫260，密封垫260包裹至少部分多孔体220。密封垫260覆盖吸液面222，覆盖吸液面222的密封垫260上开设有限流孔262，以起到限流的作用。密封垫260还覆盖多孔体220与外管本体122的连接处，密封多孔体220和外管本体122之间的空隙。密封垫260可以是硅胶材质，也可以是其他具有密封、隔热功能的材质。密封垫260包裹多孔体220可以减小烟液不必要的挥发，同时具有隔热作用，避免电子烟的外部过热，节省能量。硅胶垫还可以避免多孔体220与其他部件之间硬接触，从而可以避免多孔体220出现损坏。
多孔体220为一体成型结构，多孔体220包括吸液部、雾化部和位于吸液部和雾化部之间的导液部。吸液面222位于吸液部的远离导液部的一侧，雾化面224位于雾化部的远离导液部的一侧。
同时参见图9，气流通道210包括依次连通的第一子通道212、第二子通道214和第三子通道216，雾化部的侧壁、导液部的侧壁和连接组件300的内壁围成第一子通道212，第二子通道214位于导液部的内部，第二子通道214由侧面226向导液部的内部延伸，第三子通道216位于吸液部的内部，第三子通道216与吸气通道142连通。雾化面224产生雾化作用，气流带走雾化面224处的烟雾，进入第一子通道212，之后再通过第二子通道214进入第三子通道216，最后通过吸气通道142进入使用者的口中。
具体的，在一实施例中，第一子通道212和第二子通道214的数量均为两个，第三子通道216的数量为一个，第三子通道216位于吸液部的中部。两个第二子通道214的一端分别与两个第一子通道212连通，两个第二子通道214的另一端均与第三子通道216连通。在其他实施例中，第一子通道212和第二子通道214的数量也可以均为三个或四个，数量较少则方便加工，数量较多则散热效果更好。
在一实施例中，用于给发热结构供电的导线从雾化面224穿过多孔体220后，导线的尾端焊接固定在吸液面222上，确保导线稳固连接。同时参见图4，发热结构的导线虽然未在图4中示出，但图4中可见多孔体220中为导线预留的孔228。
发热结构可以为发热电路层或发热膜。其中，发热电路层可以镀在雾化面224上。发热膜可以是多孔发热膜，多孔发热膜通过气相沉积法形成在雾化面224上，多孔发热膜的厚度为0.5μm至1.5μm。多孔发热膜上的微孔，能够大大增加与烟液的接触面积，提高雾化效率。较优的，多孔发热膜的厚度为0.8μm至1μm。
多孔发热膜位于多孔体220的雾化面224上，便于雾化后的烟液从多孔体220中跑出，多孔发热膜能够使多孔体220的表面均匀的受热，因此雾化作用的温度均匀一致，不会出现局部温度低导致的雾化颗粒较大的问题，保证了雾化颗粒均匀，提高了电子烟的口感。在一实施例中，多孔发热膜上的微孔的孔径为5μm至30μm。进一步的，在一实施例中，多孔发热膜的厚度小于多孔体220上的微孔的孔径。
在一实施例中，多孔体220为多孔陶瓷体，多孔体220上的微孔的孔径为1μm至100μm，多孔体220的孔隙率为30%至83%。孔隙率的大小可以根据不同烟液的成分来调整，例如烟液的粘稠度大的，孔隙率则高一些。在一具体实施例中，多孔体220上的孔径为5μm至30μm的微孔的体积，占多孔体220上的所有微孔体积的60%以上，多孔体220的渗透效果适中。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种电子烟的雾化器，包括:
    储液组件，包括塑料外管和金属内管，所述塑料外管包括外管本体和设置在所述外管本体内的连接部，所述连接部与所述外管本体一体连接；所述金属内管设置在所述外管本体内，所述金属内管直接与所述连接部连接；所述金属内管内部形成吸气通道，所述塑料外管和所述金属内管之间形成储液腔；以及
    雾化组件，与所述储液组件连接，所述雾化组件用于吸取所述储液腔内的烟液，并将所述烟液雾化；所述雾化组件开设有气流通道，所述气流通道与所述吸气通道连通。
  2. 根据权利要求1所述的电子烟的雾化器，其特征在于，所述塑料外管还包括端壁，所述端壁设置在所述外管本体的端部，所述连接部呈管状，所述连接部的一端与所述端壁连接且与外界连通，所述金属内管通过所述连接部的另一端套接在所述连接部上；所述外管本体、所述端壁和所述连接部一体连接。
  3. 根据权利要求2所述的电子烟的雾化器，其特征在于，所述连接部和所述金属内管紧配合连接，且所述连接部和所述金属内管之间密封。
  4. 根据权利要求3所述的电子烟的雾化器，其特征在于，所述金属内管的端部抵接所述端壁。
  5. 根据权利要求3所述的电子烟的雾化器，其特征在于，所述金属内管的端部设置有倒角，所述倒角靠近所述连接部。
  6. 根据权利要求3所述的电子烟的雾化器，其特征在于，所述连接部包括第一部分和第二部分，所述第一部分与所述端壁连接，所述第一部分与所述金属内管紧配合，所述第二部分与所述第一部分连接，所述第二部分与所述金属内管之间具有缝隙。
  7. 根据权利要求1所述的电子烟的雾化器，其特征在于，还包括连接组件，所述连接组件与所述外管本体连接，所述连接组件将所述雾化组件限制在所述外管本体内。
  8. 根据权利要求7所述的电子烟的雾化器，其特征在于，还包括连接件，所述连接件包括管状部和设置在所述管状部外部的台阶部；所述管状部的一端伸入所述金属内管中，所述管状部的另一端伸入所述气流通道中，所述台阶部的两侧分别抵接所述管状部和所述雾化组件。
  9. 根据权利要求7所述的电子烟的雾化器，其特征在于，所述雾化组件包括多孔体和发热结构，所述多孔体包括吸液面、雾化面和侧面，所述吸液面用于从所述储液腔吸入所述烟液，所述发热结构位于所述雾化面上；所述气流通道流经所述雾化面并连通所述吸气通道，所述气流通道中的至少一段由所述侧面向所述多孔体的内部延伸。
  10. 根据权利要求9所述的电子烟的雾化器，其特征在于，所述雾化组件还包括密封垫，所述密封垫包裹至少部分所述多孔体；所述密封垫覆盖所述吸液面，覆盖所述吸液面的所述密封垫上开设有限流孔；所述密封垫还覆盖所述多孔体与外管本体的连接处，密封所述多孔体和所述外管本体之间的空隙。
  11. 根据权利要求9所述的电子烟的雾化器，其特征在于，所述雾化组件呈圆柱状，所述雾化组件上开设有安装缺口，所述连接组件包括主体部和由所述主体部延伸出的卡接部，所述卡接部伸入所述安装缺口，使所述连接组件与所述雾化组件卡接。
  12. 根据权利要求9所述的电子烟的雾化器，其特征在于，所述多孔体为一体成型结构，所述多孔体包括吸液部、雾化部和位于所述吸液部和所述雾化部之间的导液部；所述吸液面位于所述吸液部的远离所述导液部的一侧，所述雾化面位于所述雾化部的远离所述导液部的一侧。
  13. 根据权利要求12所述的电子烟的雾化器，其特征在于，所述气流通道包括依次连通的第一子通道、第二子通道和第三子通道，所述雾化部的侧壁、所述导液部的侧壁和所述连接组件的内壁围成所述第一子通道，所述第二子通道位于所述导液部的内部，所述第二子通道由所述侧面向所述导液部的内部延伸，所述第三子通道位于所述吸液部的内部，所述第三子通道与所述吸气通道连通。
  14. 根据权利要求9所述的电子烟的雾化器，其特征在于，所述发热结构为发热膜或发热电路层。
  15. 根据权利要求14所述的电子烟的雾化器，其特征在于，所述发热膜为多孔发热膜，所述多孔发热膜的厚度为0.5μm至1.5μm。
  16. 根据权利要求15所述的电子烟的雾化器，其特征在于，所述多孔发热膜上的微孔的孔径为5μm至30μm。
  17. 根据权利要求15所述的电子烟的雾化器，其特征在于，所述多孔发热膜的厚度小于所述多孔体上的微孔的孔径。
  18. 根据权利要求9所述的电子烟的雾化器，其特征在于，用于给所述发热结构供电的导线从所述雾化面穿过所述多孔体后，所述导线的尾端焊接固定在所述吸液面上。
  19. 根据权利要求1所述的电子烟的雾化器，其特征在于，所述金属内管为不锈钢管。
  20. 一种电子烟，其特征在于，包括电池装置和权利要求1所述的雾化器，所述电池装置和所述雾化器连接并为所述雾化器供电。
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