WO2023193503A1 - 电子雾化装置及其雾化器、雾化组件和导液装置 - Google Patents

电子雾化装置及其雾化器、雾化组件和导液装置 Download PDF

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Publication number
WO2023193503A1
WO2023193503A1 PCT/CN2023/071699 CN2023071699W WO2023193503A1 WO 2023193503 A1 WO2023193503 A1 WO 2023193503A1 CN 2023071699 W CN2023071699 W CN 2023071699W WO 2023193503 A1 WO2023193503 A1 WO 2023193503A1
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Prior art keywords
liquid
conducting
cotton
conducting cotton
fiber
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PCT/CN2023/071699
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English (en)
French (fr)
Inventor
刘新杰
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海南摩尔兄弟科技有限公司
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Publication of WO2023193503A1 publication Critical patent/WO2023193503A1/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
    • A24F40/44—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
    • 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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present invention relates to the field of atomization technology, and more specifically, to an electronic atomization device and its atomizer, atomization assembly and liquid guide device.
  • An electronic atomization device in the related art includes an atomizer and a battery assembly connected to the atomizer.
  • the atomizer includes a liquid storage chamber and an atomization component connected to the liquid conduit of the liquid storage chamber.
  • the liquid storage chamber is used to store atomizable media, such as liquid aerosol-generating substrates, and the atomization component is used to atomize the atomizable medium. It is heated and atomized to form an aerosol that can be consumed by the smoker; the battery component is used to provide energy to the atomizer.
  • the atomization component generally includes a liquid-conducting cotton and a heating element thermally connected to the liquid-conducting cotton.
  • the liquid-conducting cotton is used to conduct the atomizable medium in the liquid storage chamber to the heating element, and then the heating element generates heat and atomizes the liquid after being energized. Aerosol-generating matrix.
  • Liquid-conducting cotton in the related art mainly includes two types, one is made of porous ceramics, and the other is made of liquid-conducting cotton. However, the liquid-conducting cotton in the related art often suffers from burning and other phenomena.
  • the technical problem to be solved by the present invention is to provide an improved electronic atomization device and its atomizer, atomization assembly and liquid guide device.
  • the technical solution adopted by the present invention to solve the technical problem is to provide an improved electronic atomization device and its atomizer, atomization assembly and liquid guide device.
  • the liquid guide device is used in the electronic atomization device.
  • the liquid-conducting device includes a first liquid-conducting cotton, a second liquid-conducting cotton, and a third liquid-conducting cotton arranged in sequence, and the porosity of the first liquid-conducting cotton and the third liquid-conducting cotton is smaller than that of the second liquid-conducting cotton. Porosity of cotton.
  • the roughness of the third liquid-conducting cotton satisfies Ra of 100-170 ⁇ m.
  • the second liquid-conducting cotton has a porosity of 90%-95%.
  • the first liquid-conducting cotton is located at the front end of the liquid-conducting cotton, and its roughness satisfies Ra of 25-85 ⁇ m and Rz of 140-290 ⁇ m.
  • the first liquid-conducting cotton is located at the front end of the liquid-conducting cotton, and its porosity is 80%-89%.
  • the third liquid-conducting cotton is located at the rear end of the liquid-conducting cotton, and the roughness satisfies Ra of 27-50 ⁇ m.
  • the third liquid-conducting cotton is located at the rear end of the liquid-conducting cotton, and its porosity is 70%-85%.
  • the third liquid-conducting cotton is located at the rear end of the liquid-conducting cotton, and its water retention rate is 65%-80%.
  • some or all of the first liquid-conducting cotton, the second liquid-conducting cotton and the third liquid-conducting cotton meet the fiber diameter Df of 7-10 ⁇ m.
  • the average fiber diameter Df of some or all of the first liquid-conducting cotton, the second liquid-conducting cotton and the third liquid-conducting cotton is 7.5-8.5 ⁇ m.
  • some or all of the first liquid-conducting cotton, the second liquid-conducting cotton and the third liquid-conducting cotton are made of natural cotton fiber with a micronaire value of 3.8-4.2.
  • some or all of the first liquid-conducting cotton, the second liquid-conducting cotton and the third liquid-conducting cotton are made of cotton fiber, linen fiber, viscose fiber, Tencel fiber, or two or more of the above. Made of mixed fiber materials of more than three kinds of fibers.
  • the first liquid-conducting cotton, the second liquid-conducting cotton and the third liquid-conducting cotton are all in sheet shape and are stacked together in sequence.
  • the present invention also provides an atomization assembly, including any one of the above-mentioned liquid guide devices.
  • the present invention also provides an atomizer, including the atomization component.
  • the present invention provides an electronic atomization device, including the atomizer.
  • the above-mentioned liquid conduction device has a large liquid storage capacity, which can reduce the occurrence of insufficient liquid supply caused by too fast atomization of the heating element. Sufficient liquid conduction makes the heating element less likely to dry out and the atomizer has a long service life.
  • Figure 1 is a schematic exploded structural diagram of an electronic atomization device in some embodiments of the present invention.
  • Figure 2 is a schematic three-dimensional structural diagram of the atomization component of the electronic atomization device shown in Figure 1;
  • Figure 3 is a schematic structural diagram of the longitudinal section of the atomization assembly shown in Figure 2;
  • Fig. 4 is a schematic three-dimensional exploded structural view of the atomizer assembly shown in Fig. 2.
  • Figure 1 shows an electronic atomization device in some embodiments of the present invention.
  • the electronic atomization device can be applied to atomize a liquid atomizable substrate. It can be generally flat and includes a flat atomizer 1 and A flat power supply device 2 electrically connected to the atomizer 1.
  • the atomizer 1 includes a liquid storage chamber (not shown) for accommodating a liquid atomizable substrate and an atomization component 10 connected to the liquid storage chamber for heating and atomizing the liquid atomizable substrate.
  • the atomizer assembly 10 can usually be installed in the atomizer 1 in a detachable manner.
  • the power supply device is used to power the atomization component 10 in the atomizer 1 and control operations such as opening or closing the entire electronic atomization device.
  • the atomizer 1 and the power supply device 2 can be detachably connected together by magnetic attraction, screw connection, or other detachable means. It can be understood that the electronic atomization device is not limited to a flat shape, and may also be in a cylindrical, elliptical, square or other shape.
  • the atomization assembly 10 may include an atomization seat 11 , a liquid guide device 12 and a heating element 13 .
  • the atomizer seat 11 can be made through one-piece injection molding, one-piece stamping molding, one-piece extrusion molding and other integrated molding processes. It can include a roughly circular ring-shaped seat body 111 and is integrated with the seat body along the longitudinal direction. The circular tubular housing 112 above 111. The base body 111 may be provided with electrode posts 113 for electrical connection with the heating element 13 along the longitudinal direction.
  • an insulating sleeve 114 can be disposed between the outer ring of the electrode post 113 and the inner ring of the base 111 to insulate and isolate and seal the electrode post 113 and the base 111 .
  • a cylindrical seal 115 can also be tightly embedded on the top of the housing 112.
  • the seal 115 can usually be made of flexible materials such as silicone, which is beneficial to improving sealing performance.
  • the liquid-conducting device 12 may be a composite liquid-conducting cotton, which may be made into a cylindrical shape in some embodiments and disposed in the housing 112 along the axial direction.
  • the inner wall surface of the top of the seat body 111 can be integrally extended inward to form an inner flange 1111, and the liquid guide device 12 can be mounted axially against the upper end surface of the inner flange 1111.
  • At least one liquid inlet 1120 is formed on the housing 112, so that the liquid atomizable matrix in the liquid storage chamber can enter the housing 112 through the at least one liquid inlet 1120, thereby connecting the liquid conduction device 12 with the liquid storage chamber. Fluid connection.
  • the side of the liquid guide device 12 close to the liquid storage chamber is the liquid guide front end of the liquid guide device.
  • there are four liquid inlets 1120 and the four liquid inlets 1120 are symmetrically arranged along the circumferential direction of the housing 112 .
  • the heating element 13 may be cylindrical, and in some embodiments may be a cylindrical spiral heating wire, a cylindrical heating mesh or a cylindrical heating tube.
  • the heating element 13 can be disposed on the inner wall surface of the liquid guide device 12 along the axial direction, and is used to heat and atomize the liquid atomizable substrate adsorbed in the liquid guide device 12 .
  • the liquid guide device 12 can be in the shape of a C-shaped cylinder, that is, the cross section of the liquid guide device 12 is in the shape of a circular ring with an opening, which can facilitate the installation of the heating element 13 and improve the resilience of the liquid guide device 12 .
  • the central angle of the cross-section of the liquid guiding device 12 may range from 280° to 350°.
  • the heating element 13 may be a C-shaped cylindrical heating mesh, which may be formed by bending a flat sheet-shaped heating mesh.
  • the C-shaped opening of the heating element 13 can be in the same direction as the C-shaped opening of the liquid guiding device 12 .
  • the inner wall surface of the liquid guide device 12 defines a cylindrical atomization chamber 120, which is used for mixing the atomized mist with external air, and is connected with the air outlet channel formed in the atomizer, thereby separating the mist from the external air. Mixture export.
  • the side of the liquid guide device 12 close to the heating element 13 is the liquid guide rear end of the liquid guide device 12 .
  • the cross section of the liquid conducting device 12 may also be in a closed circular ring, a closed or square ring with an opening, or other shapes.
  • the assembly method of the atomization assembly 10 may include the following steps:
  • a long cylindrical jig can also be inserted into the heating element 13 for auxiliary assembly.
  • step S1 it also includes:
  • the outer surface of the fixture is a smooth surface, and the friction force between the smooth surface of the fixture and the heating element 13 is less than the friction force between the heating element 13 and the liquid guide device 12. Therefore, after the assembly is completed, the fixture will be When the tool is taken out, the position of the heating element will not change.
  • the fixture can be made of metal, and the friction force between the fixture and the metal heating element 13 is small.
  • a cylindrical heating element 13 can be directly provided and placed outside the fixture, or a flat sheet-shaped heating net can be provided and wound around the outside of the fixture to form the cylindrical heating element 13. .
  • steps S2 and S4 may also include:
  • step S3 can also be performed after step S4.
  • FIG 4 is a schematic three-dimensional exploded structural view of the atomization assembly shown in Figure 2.
  • This figure shows the liquid-conducting device 12 in some embodiments of the present invention, which includes first liquid-conducting cottons 121 in sheet shape and arranged together in sequence. , the second liquid-conducting cotton 122, and the third liquid-conducting cotton 123.
  • the first liquid-conducting cotton 121 is close to the liquid storage chamber, is in liquid-conducting communication with the liquid storage chamber, and is the liquid-conducting front end of the liquid-conducting device 12 .
  • the third liquid-conducting cotton 123 is close to the heating element 13.
  • the heating element 13 can be arranged on the inner wall surface of the liquid-conducting cotton 123 along the axial direction, and is used to heat and atomize the liquid atomizable substrate adsorbed in the third liquid-conducting cotton 123.
  • the third liquid-conducting cotton 123 is the liquid-conducting rear end of the liquid-conducting device 12 .
  • the second liquid-conducting cotton is placed between the first liquid-conducting cotton 121 and the third liquid-conducting cotton 123 .
  • the order in which the liquid material in the liquid storage chamber passes through the liquid guide device 12 is the first liquid guide cotton 121, the second liquid guide cotton 122, and the third liquid guide cotton 123, that is, it is passed from the front end of the liquid guide device to the rear end, and then It is heated and atomized by the heating element 13 .
  • fluid delivery device 12 is of one-piece construction.
  • the liquid-conducting device 12 includes at least one layer of liquid-conducting cotton.
  • the first liquid-conducting cotton 121 has the advantage of a fast liquid-conducting rate, and can be made using a nonwoven process, such as dry-laid, wet-laid, air-laid, etc.
  • ⁇ * refers to the apparent (rough surface) contact angle
  • ⁇ refers to Young's contact angle (on an ideal smooth surface)
  • r refers to the surface roughness of the fiber material (1.0 for an ideal smooth surface)
  • Df refers to the outer diameter of the fiber.
  • m ⁇ refers to the liquid surface tension (Pa/m)
  • F refers to the shape factor in the Young–Laplace equation
  • ⁇ refers to the porosity of the fiber material.
  • the above-mentioned first liquid-conducting cotton 121 has a relatively large roughness, so this surface is in contact with the liquid atomizable matrix, which increases the speed at which the liquid atomizable matrix enters the liquid-conducting cotton, thus improving the performance of the entire composite liquid-conducting cotton.
  • the liquid conduction rate reduces the dry burning phenomenon caused by untimely liquid conduction.
  • the first liquid-conducting cotton 121 may be made of cotton fiber, linen fiber, viscose fiber, Tencel fiber, or mixed fiber materials of two or more of the above fibers.
  • the porosity of the first liquid-conducting cotton 121 is 80%-89%, which is smaller than the second liquid-conducting cotton.
  • the second liquid-conducting cotton 122 also has relatively large roughness and high porosity, and is placed in the middle of the liquid-conducting cotton 122, which has the following beneficial effects: compared with the cotton core used in existing electronic atomization devices, the storage capacity is The large liquid volume reduces the occurrence of insufficient liquid supply when the heating element atomizes too quickly.
  • the roughness Ra of the second liquid-conducting cotton 122 is 100-170 ⁇ m, and the porosity is 90%-95%. In the porosity test, its air flow can reach 100-116ml/min.
  • the capillary tube with this roughness The matching of pressure and porosity can take into account large liquid storage capacity and fast oil conduction speed. Therefore, the space for storing liquid atomizable substrate is large and the amount of liquid atomizable substrate can be stored, thereby greatly reducing the occurrence of dry burning of the heating element.
  • the second liquid-conducting cotton 122 is made using a nonwoven process, such as dry-laid, wet-laid, air-laid, etc.
  • the second liquid-conducting cotton 122 may be made of cotton fiber, linen fiber, viscose fiber, Tencel fiber, or mixed fiber materials of two or more of the above fibers.
  • the third liquid-conducting cotton 123 has a roughness Ra of 27-50 ⁇ m, a porosity of 70%-85%, and a water retention rate of 65%-80%. It has a good liquid-locking effect and can greatly reduce the probability of oil leakage. beneficial effects.
  • the third liquid-conducting cotton 123 has strong liquid-locking ability, and can guide the liquid atomizable matrix that is fully stored in the middle-end of the liquid-conducting part to the heating element 13 for atomization, and cooperates with the rapid liquid-conducting speed of the middle-end liquid-conducting cotton and the upper liquid-conducting front-end.
  • the function can solve the above-mentioned problems that often occur in current electronic atomization devices in the background technology (easy to dry-burn, easy to burn the core). If the third liquid-conducting cotton 123 conducts the liquid at a too fast rate, too much liquid atomizable substrate is stored at the rear end of the liquid-conducting device, and the heating element 13 heats and atomizes the liquid atomizable substrate incompletely and insufficiently, and the flavors and fragrances cannot be fully vaporized and volatilized. , the sweetness and fragrance in the smoking taste will be slightly worse. If the liquid infusion rate is too slow, there will be too little liquid atomizable matrix stored at the back end of the liquid infusion. If the temperature of the heating element 13 is too high, it will easily dry and burn the core, resulting in burnt smoke. taste.
  • the third liquid-conducting cotton 123 has smaller porosity and is denser than the first liquid-conducting cotton 121 and the second liquid-conducting cotton 122, so the liquid atomizable matrix is not easy to flow out, and the liquid-locking effect is better.
  • the liquid-locking effect of the third liquid-conducting cotton can be tested by the following method: cut the cotton sliver to a size of 6-6 mm, weigh the sliver M1, fully soak the liquid atomizable matrix, and then weigh it out. The weight of the tampon soaked with the liquid atomizable matrix is recorded as M2. Place it in a centrifuge tube. Set the centrifuge speed to 3000r/min and the centrifugation time to 10 minutes. After centrifugation, weigh the remaining portion of the tampon with the liquid atomizable matrix. Weight M3, the calculation method of water retention rate is: (M3-M2)/M1*100%. The greater the water retention value, the stronger the liquid locking ability.
  • the third liquid-conducting cotton 123 is made using a non-woven process, such as dry-laid, wet-laid, air-laid, etc.
  • the third liquid-conducting cotton 123 may be made of cotton fiber, linen fiber, viscose fiber, Tencel fiber, or mixed fiber materials of two or more of the above fibers.
  • the materials of the first liquid-conducting cotton 121 , the second liquid-conducting cotton 122 and the third liquid-conducting cotton 123 can be the same, and fibers with small fiber diameters can be used as raw materials. net, wet-laid, air-laid) to prepare non-woven fiber cloth.
  • the liquid-conducting device 12 includes at least one layer of liquid-conducting cotton.
  • the liquid conducting device 12 uses cotton fiber with a micronaire value of 3.8-4.2 as raw material.
  • Cotton with high maturity has smaller fiber diameter. It is easy to form smaller pores between fibers. The smaller the fiber diameter Df and the porosity ⁇ of the fiber material, the more conducive to increasing the capillary pressure Pc, thereby accelerating the liquid conduction rate.
  • the fast liquid conduction rate can reduce the transmission time difference of the liquid atomizable matrix: it can not only replenish the outer liquid atomizable matrix into the liquid conduction front end in time, but also quickly conduct the liquid atomizable matrix in the lower layer of the liquid storage chamber to the liquid catheter. rear end. Therefore, the electronic atomization device can produce a larger amount of mist during suction and a better suction experience; it has sufficient liquid conduction and is not easy to dry out, and the atomizer has a long service life.
  • the fiber diameter range Df of the fluid delivery device 12 is 7-10 ⁇ m.
  • the average fiber diameter Df of the liquid-conducting cotton is 7.5-8.5 ⁇ m.
  • the porosity of the overall liquid-conducting device 12 is arranged in the following order: the second liquid-conducting cotton 122 is larger than the first liquid-conducting cotton 121 , and the first liquid-conducting cotton 121 is larger than the third liquid-conducting cotton 123 .
  • the porosity of the second liquid-conducting cotton 122 is 90%-95%
  • the porosity of the first liquid-conducting cotton 121 is 80%-89%
  • the porosity of the third liquid-conducting cotton 123 is 70%-85%.
  • the cotton materials of the first liquid-conducting cotton 121 , the second liquid-conducting cotton 122 and the third liquid-conducting cotton 123 adopt nonwoven material processing and manufacturing processes (dry-laid, wet-laid, polymer direct
  • the processing process mainly includes raw material selection, web forming, fiber web reinforcement, and post-finishing processing technology.
  • the manufacturing process of the first liquid-conducting cotton 121, the second liquid-conducting cotton 122 and the third liquid-conducting cotton 123 can be selected from one of them, or the first liquid-conducting cotton 121, the second liquid-conducting cotton 122 and the third liquid-conducting cotton can be selected.
  • Each of 123 chooses one preparation method, and achieves the purpose of cotton layers with different roughness and porosity by changing the processing parameters.
  • the composite process can be (mechanical method, thermal bonding method, chemical bonding method).

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Abstract

一种电子雾化装置及其雾化器（1）、雾化组件（10）和导液装置（12），导液装置（12）用于电子雾化装置，包括依次布置的第一导液棉（121）、第二导液棉（122）和第三导液棉（123），第一导液棉（121）、第三导液棉（123）的孔隙率均小于所述第二导液棉（122）的孔隙率。导液装置（12）储液量大，能够减少发热件（13）雾化太快引起的供液不足的现象发生，导液充足使发热件（13）不易干烧，雾化器（1）使用寿命长。

Description

电子雾化装置及其雾化器、雾化组件和导液装置 技术领域
本发明涉及雾化技术领域，更具体地说，涉及一种电子雾化装置及其雾化器、雾化组件和导液装置。
 背景技术
相关技术中的电子雾化装置包括雾化器以及与该雾化器相连接的电池组件。雾化器包括储液腔以及与该储液腔导液连接的雾化组件，储液腔用于储存可雾化介质，如液态气溶胶生成基质，雾化组件用于对可雾化介质进行加热并雾化，以形成可供吸食者食用的气雾；电池组件用于向雾化器提供能量。雾化组件一般包括导液棉及与该导液棉导热地连接的发热件，导液棉用于将储液腔中的可雾化介质传导向发热件，而后发热件通电后发热雾化液态气溶胶生成基质。相关技术中的导液棉主要包括两类，一种由多孔陶瓷制成，一种由导液棉制成。然而，相关技术中的导液棉，存在经常出现烧糊等现象。
 技术问题
本发明要解决的技术问题在于，提供一种改进的电子雾化装置及其雾化器、雾化组件和导液装置。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：提供一种改进的电子雾化装置及其雾化器、雾化组件和导液装置，所述导液装置，用于电子雾化装置，所述导液装置包括依次布置的第一导液棉、第二导液棉和第三导液棉，所述第一导液棉、第三导液棉的孔隙率均小于所述第二导液棉的孔隙率。
  在一些实施例中，在一些实施例中，所述第三导液棉粗糙度满足Ra为100-170μm。
在一些实施例中，所述第二导液棉的孔隙率为90%-95%。
在一些实施例中，所述第一导液棉位于导液前端，且其粗糙度满足Ra为25-85μm，Rz为140-290μm。
在一些实施例中，所述第一导液棉位于导液前端，且其孔隙率为80%-89%。
在一些实施例中，所述第三导液棉位于导液后端，且粗糙度满足Ra为27-50μm。
在一些实施例中，所述第三导液棉位于导液后端，且其孔隙率为70%-85%。
在一些实施例中，所述第三导液棉位于导液后端，且其保水率为65%-80%。
在一些实施例中，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部满足纤维直径Df为7-10μm。
在一些实施例中，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部的纤维直径Df平均值为7.5-8.5μm。
在一些实施例中，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部采用马克隆值为3.8-4.2的天然棉纤维制成。
在一些实施例中，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部采用棉纤维、麻纤维、粘胶纤维、天丝纤维以及以上两种及两种以上的纤维的混合纤维材料制成。
在一些实施例中，所述第一导液棉、第二导液棉和第三导液棉均呈片状，并依次层叠在一起。
本发明还提出一种雾化组件，包括上述任一项所述的导液装置。本发明还提出一种雾化器，包括所述雾化组件。
本发明提出一种电子雾化装置，包括所述雾化器。
 有益效果
本发明的有益效果：上述导液装置储液量大，能够减少发热件雾化太快引起的供液不足的现象发生，导液充足使发热件不易干烧，雾化器使用寿命长。
 附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明一些实施例中的电子雾化装置的分解结构示意图；
图2是图1所示电子雾化装置的雾化组件的立体结构示意图；
图3是图2所示雾化组件的纵向剖面结构示意图；
图4是图2所示雾化组件的立体分解结构示意图。
 本发明的实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
图1示出了本发明一些实施例中的电子雾化装置，该电子雾化装置可应用于液态可雾化基质的雾化，其大致可呈扁平状，并包括扁平状雾化器1以及与雾化器1电性连接的扁平状电源装置2。其中，雾化器1包括用于收容液态可雾化基质的储液腔（未图示）以及与该储液腔导液连接的用于加热雾化该液态可雾化基质的雾化组件10，雾化组件10通常可以可拆卸的方式安装于雾化器1中。电源装置用于给雾化器1中的雾化组件10供电以及控制整个电子雾化装置的开启或关闭等操作。雾化器1和电源装置2在一些实施例中可以以磁吸、螺接等可拆卸的方式连接在一起。可以理解地，该电子雾化装置并不局限于呈扁平状，其也可以呈圆柱状、椭圆柱状、方形柱状等其他形状。
一同参阅图2及图3，该雾化组件10在一些实施例中可包括雾化座11、导液装置12以及发热件13。雾化座11在一些实施例中可通过一体注塑成型、一体冲压成型、一体挤压成型等一体成型工艺制成，其可包括大致呈圆环形的座体111以及沿纵向一体结合于座体111上方的圆管状壳体112。座体111中可沿纵向设置有用于与发热件13电性连接的电极柱113。通常，在电极柱113的外圈和座体111的内圈之间还可设置有一绝缘套114，以将电极柱113与座体111之间绝缘隔离并密封连接。壳体112的顶部还可紧密地嵌置有一圆筒形密封件115，密封件115通常可采用硅胶等柔性材料制成，利于提高密封性。
导液装置12在一些实施例中可为复合式导液棉，其在一些实施例中可被制成圆筒状，并沿轴向设置于壳体112中。座体111顶部的内壁面可一体向内延伸形成有内凸缘1111，导液装置12可沿轴向抵靠安装于内凸缘1111的上端面上。壳体112上形成有至少一个进液口1120，以使储液腔中的液态可雾化基质能通过该至少一个进液口1120进入壳体112中，从而将导液装置12与储液腔导液连通。导液装置12靠近储液腔一侧为导液装置导液前端。在本实施例中，进液口1120具有四个，四个进液口1120沿壳体112的周向对称排布。
发热件13可呈圆筒状，其在一些实施例中可以为圆筒状螺旋发热丝、圆筒状发热网或圆筒状发热管。发热件13可沿轴向设置在导液装置12的内壁面上，用于将导液装置12中吸附的液态可雾化基质加热雾化。导液装置12可呈C型筒状，即导液装置12的横截面呈带有开口的圆环形，可利于发热件13的安装，并可提高导液装置12的回弹性能。
在一些实施例中，导液装置12的横截面的圆心角范围可以为280°～350°。发热件13可以为呈C型筒状的发热网，其可由平片状的发热网弯曲形成。发热件13的C型开口可与导液装置12的C型开口朝向一致。导液装置12的内壁面界定出一个圆柱形的雾化腔120，用于供雾化后的雾气与外部空气混合，并与雾化器中形成的出气通道连通，从而将雾气与外部空气的混合物导出。导液装置12靠近发热件13一侧为导液装置12的导液后端。可以理解地，在其他实施例中，导液装置12的横截面也可呈封闭的圆环形、封闭或带有开口的方环形等其他形状。
该雾化组件10的组装方法可包括以下步骤：
S1、提供一C型筒状的导液装置12，将导液装置12套设于发热件13外。由于导液装置12的材料特性，在导液装置12与发热件13组装好后，导液装置12在无外力作用下就能紧紧地夹持住发热件13，从而无需用手或机械夹具等捏合，利于实现自动化装配，降低人力成本。
S2、将组装好后的发热件13和导液装置12由雾化座11的顶部开口处一并插入到雾化座11的壳体112中，直至导液棉14的下端面抵靠到雾化座11的内凸缘1123上。
S4、提供一圆筒状密封件113，将密封件113从雾化座11的顶部开口处塞入到壳体112中进行密封。
在一些实施例中，还可通过一长圆柱形的治具插入到发热件13中进行辅助装配。相应地，在步骤S1之前还包括：
S0、提供一长圆柱形的治具以及一网状的发热件13，将发热件13套设于治具外。
在步骤S0中，治具的外表面为光滑表面，治具的光滑表面与发热件13之间的摩擦力小于发热件13与导液装置12之间的摩擦力，因此在组装完成后将治具取出时，不会改变发热件的位置。在一些实施例中，治具可以为金属材质，与金属发热件13之间的摩擦力较小。此外，在步骤S0中，可直接提供一个筒状的发热件13套设于治具外，或者，也可提供一个平片状的发热网绕设于治具外后形成筒状的发热件13。
在步骤S2和S4之间还可包括：
S3、将治具取出。
可以理解地，步骤S3也可在步骤S4之后进行。
图4是图2所示雾化组件的立体分解结构示意图，该图示出了本发明一些实施例中的导液装置12，其包括呈片状且依次布置在一起的第一导液棉121、第二导液棉122、第三导液棉123。第一导液棉121靠近储液腔，与储液腔导液连通，为导液装置12的导液前端。第三导液棉123靠近发热件13，发热件13可沿轴向设置在导液棉123的内壁面上，用于将第三导液棉123中吸附的液态可雾化基质加热雾化。第三导液棉123为导液装置12的导液后端。第二导液棉置于第一导液棉121、第三导液棉123中间。储液腔中的液体物质通过导液装置12的顺序依次为第一导液棉121、第二导液棉122、第三导液棉123，即由导液装置前端向后端依次传递，之后被发热件13加热雾化。
在一些实施例中，导液装置12是一体结构的。
在一些实施例中，导液装置12包括至少一层导液棉。
在一些实施例中，第一导液棉121具有导液速率快的优点，其可采用非织造工艺制成，如干法成网、湿法成网、气流成网等。第一导液棉121的粗糙度为Ra=25~85μm，Rz=140~290μm，其中Ra为轮廓算术平均偏差，Rz为微观不平度十点高度。
根据温泽尔方程：cosθ * = r cosθ与毛细管压力公式：
在其他因素不变时，纤维材料的表面粗糙度r越大，毛细管压力Pc越大，导液速率越快。其中，θ *  指表观（粗糙面）接触角，θ 指杨氏接触角（在理想光滑表面上），r 指纤维材料的表面粗糙度（对于理想光滑表面为1.0），Df指纤维外直径(m)，σ指液体表面张力(Pa/m)，F指Young–Laplace 方程中的形状因子，ε指纤维材料的孔隙率。对于亲油的材料（棉纤维、麻纤维、粘胶纤维、天丝纤维以及以上纤维的混合纤维材料），θ=0，cosθ=1，所以cosθ * = r。
上述第一导液棉121粗糙度较大，因此使该面与液态可雾化基质接触，起到了提高液态可雾化基质进入导液棉中速度的作用，从而提高整个复合式导液棉的导液速率，减少因导液不及时引起的干烧现象。
在一些实施例中，第一导液棉121可采用棉纤维、麻纤维、粘胶纤维、天丝纤维以及以上两种及两种以上的纤维的混合纤维材料。
在一些实施例中，第一导液棉121的孔隙率为80%-89%，小于第二导液棉。
在一些实施例中，第二导液棉122的粗糙度也比较大，孔隙率高，置于导液中端，具有以下有益效果：与现有电子雾化装置使用的棉芯相比，储液量大，减少发热体雾化太快供液不足的现象发生。
优选地，第二导液棉122的粗糙度Ra为100-170 μm，孔隙率为90%-95%，在孔隙率测试中，其气流量可达100-116ml/min，此粗糙度的毛细管压力与孔隙率相互匹配可兼顾储液量大，导油速度快，因此储存液态可雾化基质的空间大，储存液态可雾化基质的量多，从而大幅降低发热体干烧的情况发生。
在一些实施例中，第二导液棉122采用非织造工艺制成，如干法成网、湿法成网、气流成网等。
在一些实施例中，第二导液棉122可采用棉纤维、麻纤维、粘胶纤维、天丝纤维以及以上两种及两种以上的纤维的混合纤维材料。
优选地，第三导液棉123的粗糙度Ra为27-50μm，孔隙率为70%-85%,保水率为65%-80%，具有锁液效果好，能够极大降低漏油概率的有益效果。该第三导液棉123锁液能力强，能够将导液中端储存充分的液态可雾化基质导向发热件13雾化，与导液中端和上导液前端导液速率快三者协同作用，可解决上述背景技术中目前电子雾化装置中常出现的问题（容易干烧，易糊芯）。第三导液棉123若导液速率过快，导液后端储存液态可雾化基质过多，发热件13对液态可雾化基质加热雾化不完全、不充分，香精香料无法充分汽化挥发，抽吸口感中甜度和香度会略差，若导液速率过慢，导液后端储存液态可雾化基质过少，发热件13温度过高容易干烧糊芯，抽吸产生焦糊味。
优选地，第三导液棉123相对第一导液棉121、第二导液棉122孔隙率更小，更致密，因此液态可雾化基质不容易流出，锁液效果更好。
在一些实施例中，第三导液棉的锁液效果可以通过如下方法进行测试：将棉条裁剪为6-6mm大小，并称出棉条重量M1，充分浸泡液态可雾化基质后称出浸润了液态可雾化基质的棉条重量记为M2，放置于离心管内，设置离心机的转速为3000r/min,离心时间为10min,离心结束后称量剩余部分液态可雾化基质的棉条重量M3，保水率的计算方法为：(M3-M2)/M1*100%，保水值越大，锁液能力越强。
在一些实施例中，第三导液棉123采用非织造工艺制成，如干法成网、湿法成网、气流成网等。
在一些实施例中，第三导液棉123可采用棉纤维、麻纤维、粘胶纤维、天丝纤维以及以上两种及两种以上的纤维的混合纤维材料。
在一些实施例中，第一导液棉121、第二导液棉122和第三导液棉123的材料可相同，均可采用纤维直径小的纤维作为原材料，通过非织造工艺（干法成网、湿法成网、气流成网）制备无纺纤维布。
在一些实施例中，导液装置12包括至少一层导液棉。
优选地，导液装置12采用马克隆值达到3.8—4.2的棉纤维作为原材料。成熟度高的棉，棉纤维直径更小。纤维与纤维之间易于形成更小的孔径，纤维直径Df和纤维材料的孔隙率ε越小，越有利于增大毛细管压力Pc，从而加快导液速率。而导液速率快，可以减少液态可雾化基质传输时间差：既可以使外侧液态可雾化基质及时补充进入导液前端，又能将储液腔下层液态可雾化基质快速导液至导液后端。因此，可以使电子雾化装置在抽吸时，雾气量更大，抽吸体验更好；导液充足而不易干烧，雾化器使用寿命长。
在一些实施例中，导液装置12的纤维直径范围Df为7-10μm。
进一步地，在一些实施例中，该导液棉的纤维直径平均值Df为7.5-8.5μm。
在一些实施例中，按照如下顺序排布整体导液装置12的孔隙率：第二导液棉122大于第一导液棉121，第一导液棉121大于第三导液棉123。其中，第二导液棉122的孔隙率为90%-95%，第一导液棉121的孔隙率为80%-89%，第三导液棉123的孔隙率为70%-85%。
在一些实施例中，第一导液棉121、第二导液棉122和第三导液棉123的棉材料采用非织造材料加工制造工艺（干法成网、湿法成网、聚合物直接成网）制成，加工流程主要包含原料选择、成网、纤网加固、后整理加工技术。第一导液棉121、第二导液棉122和第三导液棉123的制造工艺可以选择其中一种，也可以第一导液棉121、第二导液棉122和第三导液棉123各选一种方法制备，通过改变加工工艺参数实现粗糙度、孔隙率不同的棉层的目的。
优选地，第一导液棉121、第二导液棉122和第三导液棉123分别设置不同的工艺参数，形成粗糙度、孔隙率不同的三个导液棉，随后将其复合到一起，复合工艺可以为（机械法、热粘合发、化学粘合法）。
以上实施例仅表达了本发明的优选实施方式，其描述较为具体和详细，但并不能因此而理解为对本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，可以对上述技术特点进行自由组合，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，凡跟本发明权利要求范围所做的等同变换与修饰，均应属于本发明权利要求的涵盖范围。

Claims (17)

  1. 一种导液装置，用于电子雾化装置，其特征在于，包括依次布置的第一导液棉、第二导液棉和第三导液棉，所述第一导液棉、第三导液棉的孔隙率均小于所述第二导液棉的孔隙率。
  2. 根据权利要求1所述的导液装置，其特征在于，所述第二导液棉的粗糙度满足Ra为100-170μm。
  3. 根据权利要求1所述的导液装置，其特征在于，所述第二导液棉的孔隙率为90%-95%。
  4. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉位于导液前端，且其粗糙度满足Ra为25-85μm，Rz为140-290μm。
  5. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉位于导液前端，且其孔隙率为80%-89%。
  6. 根据权利要求1所述的导液装置，其特征在于，所述第三导液棉位于导液后端，且粗糙度满足Ra为27-50μm。
  7. 根据权利要求1所述的导液装置，其特征在于，所述第三导液棉位于导液后端，且其孔隙率为70%-85%。
  8. 根据权利要求1所述的导液装置，其特征在于，所述第三导液棉位于导液后端，且其保水率为65%-80%。
  9. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉的孔隙率大于所述第三导液棉的孔隙率。
  10. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部的纤维直径Df为7-10μm。
  11. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部的纤维直径Df平均值为7.5-8.5μm。
  12. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部采用马克隆值为3.8-4.2的天然棉纤维制成。
  13. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉、第二导液棉和第三导液棉中的部分或者全部采用棉纤维、麻纤维、粘胶纤维、天丝纤维以及以上两种及两种以上的纤维的混合纤维材料制成。
  14. 根据权利要求1所述的导液装置，其特征在于，所述第一导液棉、第二导液棉和第三导液棉均呈片状，并依次层叠在一起。
  15. 一种雾化组件，其特征在于，包括根据权利要求1-14任一项所述的导液装置。
  16. 一种雾化器，其特征在于，包括根据权利要求15所述的雾化组件。
  17. 一种电子雾化装置，其特征在于，包括根据权利要求16所述的雾化器。
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