WO2022121949A1 - 雾化器以及具有该雾化器的电子雾化装置 - Google Patents

雾化器以及具有该雾化器的电子雾化装置 Download PDF

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Publication number
WO2022121949A1
WO2022121949A1 PCT/CN2021/136487 CN2021136487W WO2022121949A1 WO 2022121949 A1 WO2022121949 A1 WO 2022121949A1 CN 2021136487 W CN2021136487 W CN 2021136487W WO 2022121949 A1 WO2022121949 A1 WO 2022121949A1
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WO
WIPO (PCT)
Prior art keywords
liquid
atomizer
atomizing
liquid storage
atomizing surface
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PCT/CN2021/136487
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English (en)
French (fr)
Inventor
公维锋
徐中立
李永海
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深圳市合元科技有限公司
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Application filed by 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to EP21902654.9A priority Critical patent/EP4260717A4/en
Priority to US18/266,262 priority patent/US20240023617A1/en
Publication of WO2022121949A1 publication Critical patent/WO2022121949A1/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
    • A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
    • 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
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • 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 present application relates to the technical field of smoking articles, and in particular, to an atomizer and an electronic atomization device having the atomizer.
  • Electronic atomization device is an electronic product that generates smoke for users to smoke by heating e-liquid. It generally has two parts: an atomizer and a power supply assembly; the inside of the atomizer stores e-liquid and is provided with an atomizing core for heating e-liquid , the power supply component includes a battery and a circuit board; the power supply component can supply power to the atomizing core to generate heat and generate high temperature to heat the e-liquid.
  • the problems existing in the existing electronic atomization device are that the atomization area is small, the content of particulate matter (TPM) in the flue gas is low, and the user's smoking experience is poor.
  • TPM particulate matter
  • the present application provides an atomizer and an electronic atomization device having the atomizer, so as to solve the problems of the existing electronic atomization device that the atomization area is small and the content of particulate matter in the flue gas is low.
  • the application provides an atomizer, including:
  • a liquid storage chamber for storing the liquid aerosol-forming substrate
  • the first porous substrate includes a first liquid suction surface and a first atomization surface opposite to the first liquid suction surface; the first liquid suction surface is in fluid communication with the liquid storage cavity, and the first liquid suction surface is in fluid communication with the liquid storage cavity.
  • a first heating element for heating the liquid aerosol-forming substrate is formed on the atomizing surface;
  • the second porous substrate includes a second liquid-absorbing surface and a second atomizing surface opposite to the second liquid-absorbing surface; the second liquid-absorbing surface is in fluid communication with the liquid storage cavity, and the second liquid-absorbing surface is in fluid communication with the liquid storage cavity.
  • a second heating element for heating the liquid aerosol-forming substrate is formed on the atomizing surface;
  • first atomizing surface and the second atomizing surface are both flat and exposed to the airflow channel.
  • the present application also provides an electronic atomization device, comprising the atomizer and a power supply device for supplying power to the atomizer.
  • the atomizer and the electronic atomization device with the atomizer provided by the present application can increase the atomization area through the first porous substrate and the second porous substrate, thereby increasing the content of particulate matter in the smoke and improving the user's smoking ability. Breathing experience.
  • FIG. 1 is a schematic diagram of an electronic atomization device provided in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of an atomizer in an electronic atomization device provided by an embodiment of the present application
  • Fig. 3 is the exploded schematic diagram of the atomizer provided by the embodiment of the present application.
  • FIG. 4 is a schematic cross-sectional view of an atomizer provided in an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a narrow channel and a wider channel in the atomizer provided by the embodiment of the present application;
  • FIG. 6 is a schematic diagram of a porous matrix in an atomizer provided in an embodiment of the present application.
  • Fig. 7 is another perspective schematic diagram of the porous matrix in the atomizer provided by the embodiment of the present application.
  • FIG. 8 is a schematic diagram of a bracket in an atomizer provided by an embodiment of the present application.
  • Fig. 9 is another perspective schematic diagram of the bracket in the atomizer provided by the embodiment of the present application.
  • FIG. 10 is a schematic top view of a bracket in an atomizer provided in an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a seal in an atomizer provided by an embodiment of the present application.
  • Fig. 12 is another perspective schematic diagram of the sealing member in the atomizer provided by the embodiment of the present application.
  • FIG. 13 is a schematic diagram of the base in the atomizer provided by the embodiment of the present application.
  • the electronic atomization device 100 includes an atomizer 10 and a main body 20 .
  • the atomizer 10 is detachably connected to the main body 20, including but not limited to snap, magnetic, and screw connections. In other examples, it is also feasible that the nebulizer 10 and the main body 20 are designed as one piece.
  • the main body 20 includes a power supply device (not shown) for powering the atomizer 10, and the power supply device may be a rechargeable battery or a disposable battery.
  • the main body 20 also includes circuitry (not shown) that controls the overall operation of the electronic atomizing device 100 .
  • the circuit includes at least one processor.
  • a processor may include an array of logic gates, or may include a combination of a general-purpose microprocessor and a memory that stores programs executable in the microprocessor.
  • the circuit may include another type of hardware.
  • the electronic atomization device 100 may also include other general components other than the above components.
  • the atomizer 10 includes a housing 11 , a sealing member 12 , a conductive connecting member 13 , a bracket 14 , a porous base 15 , a porous base 16 , a conductive connecting member 17 , a conductive connecting member 18 , and a sealing member 19.
  • the housing 11 has a nozzle end and an open end.
  • the mouth end has an air outlet 111 , and the heated and atomized aerosol can be sucked by the user through the air outlet 111 .
  • the base 20 is provided at the open end and is at least partially accommodated in the housing 11 .
  • the base 20 and the casing 11 are connected by a snap connection, but are not limited to this connection method.
  • a liquid storage chamber 112 is formed between the base 20 and the inner wall of the housing 11 , and the liquid storage chamber 112 is used for storing a liquid aerosol-forming substrate capable of generating aerosol.
  • the housing 11 also has an integrally formed air duct 113 .
  • the inner surface of the air duct 113 defines a part of the air flow passage (shown by the dashed arrow in FIG. 4 ). .
  • a sealing member 12 may be provided between the airway tube 113 and the supporter 14 . It should be noted that, in other examples, it is also feasible that the air conduit 113 may be formed by a single hollow tube.
  • the bracket 14 is used to hold the porous base 15 , the porous base 16 and the conductive connection 13 .
  • the bracket 14 is disposed in the casing 11 and is located between the base 20 and the air outlet 111 .
  • One end of the bracket 14 is connected to the air duct 113 , and the other end is connected to the base 20 .
  • a sealing member 19 may be provided between the bracket 14 and the base 20 .
  • the porous substrate 15 and the porous substrate 16 are both configured in a plate shape or a sheet shape, and the shapes of the porous substrate 15 and the porous substrate 16 are kept consistent.
  • the porous substrate 15 includes a liquid absorbing surface 151 and an atomizing surface 152 opposite to the liquid absorbing surface 151; the liquid absorbing surface 151 is in fluid communication with the liquid storage chamber 112, and the atomizing surface 152 is formed There are heating elements 153 for heating the liquid aerosol-forming substrate.
  • the heating element 153 includes a conductive trace 1531, a contact point 1532 and a contact point 1533, the heating element 153 can be formed on the atomized surface 152 by screen printing, and the material of the heating element 153 includes but is not limited to nickel, chromium, Nichrome, stainless steel.
  • the porous substrate 15 is made of porous materials, such as porous ceramics, porous glass ceramics, porous glass and the like.
  • the support 14 is hollow, and the inner surface of the support 14, the atomization surface 152 of the porous base 15 and the atomization surface of the porous base 16 together define part of the airflow channel, the atomization surface 152 of the porous base 15 and the atomization surface of the porous base 16. All are flat.
  • the conductive connections 13 are used to connect the heating elements 153 on the porous substrate 15 in series with the heating elements on the porous substrate 16 .
  • the bracket 14 is in the shape of a hollow tube, and the hollow tube has through holes 141 and 142 recessed in the radial direction on the peripheral surface thereof.
  • the size of the through hole 141 is consistent with the size of the porous base 15, and can be slightly smaller than the porous base 15, so that the porous base 15 is kept on the through hole 141; during installation, the atomizing surface 152 faces the airflow channel, and the liquid absorbing surface 151 is backed Placed towards the airflow channel, ie the atomizing surface 152 is exposed to the airflow channel after installation.
  • the through holes 142 are similar to the porous matrix 16 .
  • part of the conductive connector 13 can be connected from The via hole 143 extends out to be coupled with an external power source, thereby connecting the heating element 153 on the porous substrate 15 and the heating element on the porous substrate 16 in series.
  • the atomization surface 152 of the porous substrate 15 and the porous substrate 16 are atomized.
  • the surfaces are circumferentially spaced around part of the airflow channel, and are arranged parallel to the extending direction of the airflow channel. This can increase the atomization area and increase the content of particulate matter in the flue gas.
  • porous substrate 15 and the porous substrate 16 are both configured in a plate shape or a sheet shape, and the atomization surface 152 of the porous substrate 15 and the atomization surface of the porous substrate 16 are both flat, it can be easily imagined that However, the arrangement of the porous substrate 15 and the porous substrate 16, or the atomizing surface 152 of the porous substrate 15 and the atomizing surface of the porous substrate 16 is not limited to the situation shown in the drawings.
  • the porous substrate 15 and the porous substrate 16 may be Up and down, the part of the atomization surface 152 of the porous base 15 and the part of the atomization surface of the porous base 16 are arranged circumferentially spaced around part of the airflow channel, and so on.
  • the airflow channel (shown by the dashed arrow in FIG. 5 ) roughly includes a wider channel A1, a narrow channel A2 and a wider channel A3; the narrow channel A2 is composed of a porous matrix 15
  • the atomizing surface 152, the atomizing surface of the porous substrate 16, and the inner surface of the bracket 14 are defined.
  • the narrow channel A2 is narrow enough to generate a sufficiently large negative pressure on the atomizing surface 152 of the porous substrate 15 and the atomizing surface of the porous substrate 16 due to the Venturi effect during the operation of the electronic atomizing device by the user, so that the liquid gas
  • the sol-forming substrate flows smoothly from the liquid storage chamber 112 through the suction surface of the porous substrate to the atomization surface of the porous substrate.
  • the distance between the atomizing surface 152 of the porous substrate 15 and the atomizing surface of the porous substrate 16 is between 0.5 mm and 1.5 mm.
  • the wider channel A1 is defined by the air duct 113
  • the wider channel A3 is defined by part of the bracket 14 and the seal 19
  • the widths of the wider channel A1 and the wider channel A3 are larger than the width of the narrow channel A2, that is, the atomization of the porous substrate 15.
  • the distance between the surface 152 and the atomization surface of the porous substrate 16 From the wider channel A3 to the narrow channel A2, the pressure increases as the width decreases, thereby generating a sufficiently large negative pressure on the atomizing surface 152 of the porous substrate 15 and the atomizing surface of the porous substrate 16; Wide channel A1, the pressure decreases with increasing width.
  • the bracket 14 , the conductive connector 13 , the porous base 15 and the porous base 16 can be integrally formed.
  • the moldable material is molded around the sides of the porous substrate 15 and the porous substrate 16 .
  • the integrated structure has good sealing effect, and the liquid aerosol-forming matrix will not flow into the airflow channel from the gap between the porous matrix 15 (or the porous matrix 16 ) and the bracket 14 . It is easily conceivable that, instead of being integrally formed, it is also possible to provide a seal between the porous matrix 15 (or the porous matrix 16 ) and the support 14 .
  • the arrangement of the through holes 141 and the through holes 142 is not limited to the above situation, as long as the projection of the atomization surface 152 of the porous substrate 15 on the airflow channel and the atomization surface of the porous substrate 16 are in the It is sufficient that the projections on the airflow channels overlap at least partially.
  • the sealing member 19 includes a receiving cavity 191 , an air flow hole 192 , a through hole 193 , a through hole 194 , a receiving cavity 195 and a receiving cavity 196 .
  • the accommodating cavity 191 is used for accommodating part of the bracket 14 to hold the end of the bracket 14 , and the inner surface of the air flow hole 192 defines part of the air flow channel.
  • the accommodating cavity 195 and the accommodating cavity 196 are respectively recessed along the direction of the airflow channel, and the accommodating cavity 191 is recessed along the direction opposite to the airflow channel.
  • the base 20 includes an air inlet 201 , an air inlet 202 , a via hole 203 , a via hole 204 and a collection cavity 205 .
  • the air inlets 201 and 202 are staggered from the air flow holes 192 of the sealing member 19 along the thickness direction of the atomizer 10 to prevent condensate from flowing out of the air inlets 201 and 202 .
  • the collection cavity 205 is used to collect the condensate, and the collection cavity 205 is recessed along the direction opposite to the airflow channel.
  • the connector 22 is received in the receiving cavity 196 through the through hole 203 , and the connector 21 is received in the receiving cavity 195 through the through hole 204 .
  • the liquid storage chamber 112 includes a first liquid storage chamber and a second liquid storage chamber
  • the first liquid storage chamber is used to store the first liquid aerosol to form a matrix; the liquid-absorbing surface 151 of the porous substrate 15 is in fluid communication with the first liquid storage chamber, and the heating element 153 on the porous substrate 15 is used to heat all the materials. the first liquid aerosol forming matrix;
  • the second liquid storage chamber is used to store the second liquid aerosol to form a matrix; the liquid absorption surface of the porous substrate 16 is in fluid communication with the second liquid storage chamber, and the heating element on the porous substrate 16 is used to heat the first liquid storage chamber.
  • the two liquid aerosols form the matrix.
  • first liquid storage chamber and the second liquid storage chamber may be separated from each other and have no fluid communication, or may be separated from each other but have fluid communication.
  • the components of the first liquid aerosol-forming substrate and the second liquid aerosol-forming substrate may be the same or different.
  • the first liquid storage chamber and the second liquid storage chamber may be separated from each other and have no fluid communication, and the first liquid aerosol-forming substrate and the second liquid aerosol-forming substrate may be separated from each other. composition is different.

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Abstract

一种雾化器（10）以及具有雾化器（10）的电子雾化装置（100），雾化器（10）包括进气口（201,202）、出气口（111）以及从进气口（201,202）到出气口（111）的气流通道；储液腔（112），用于存储液体气溶胶形成基质；第一多孔基体（15），包括第一吸液面（151）以及相对于第一吸液面（151）的第一雾化面（152）；第一吸液面（151）与储液腔（112）流体连通，第一雾化面（152）上形成有用于加热液体气溶胶形成基质的第一加热元件（153）；第二多孔基体（16），包括第二吸液面以及相对于第二吸液面的第二雾化面；第二吸液面与储液腔（112）流体连通，第二雾化面上形成有用于加热液体气溶胶形成基质的第二加热元件；第一雾化面（152）和第二雾化面均呈平坦状且暴露于气流通道。通过第一多孔基体（15）与第二多孔基体（16）可增大雾化面积，进而提高烟气中颗粒物的含量，提升用户抽吸体验。

Description

雾化器以及具有该雾化器的电子雾化装置
相关申请的交叉参考
本申请要求于2020年12月9日提交中国专利局，申请号为202022959371.6，名称为“雾化器以及具有该雾化器的电子雾化装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及烟具技术领域，尤其涉及一种雾化器以及具有该雾化器的电子雾化装置。
背景技术
电子雾化装置是通过加热烟油产生烟雾供用户吸食的电子产品，其一般具有雾化器和电源组件两个部分；雾化器内部存储有烟油以及设置有用于加热烟油的雾化芯，电源组件包括电池和电路板；电源组件可以给雾化芯供电使其发热产生高温对烟油进行加热。
现有电子雾化装置存在的问题是，雾化面积较小，烟气中颗粒物的含量(TPM)较低，用户抽吸体验较差。
发明内容
本申请提供一种雾化器以及具有该雾化器的电子雾化装置，以解决现有电子雾化装置存在的雾化面积较小，烟气中颗粒物的含量较低的问题。
本申请提供一种雾化器，包括：
进气口、出气口以及从所述进气口到所述出气口的气流通道；
储液腔，用于存储液体气溶胶形成基质；
第一多孔基体，包括第一吸液面、以及相对于所述第一吸液面的第一雾化面；所述第一吸液面与所述储液腔流体连通，所述第一雾化面上形成有用于加热所述液体气溶胶形成基质的第一加热元件；
第二多孔基体，包括第二吸液面、以及相对于所述第二吸液面的第二雾化面；所述第二吸液面与所述储液腔流体连通，所述第二雾化面上形成有用于加热所述液体气溶胶形成基质的第二加热元件；
其中，所述第一雾化面和所述第二雾化面均呈平坦状且暴露于所述气流通道。
本申请还提供一种电子雾化装置，包括所述的雾化器、以及为所述雾化器供电的电源装置。
本申请提供的雾化器以及具有该雾化器的电子雾化装置，通过第一多孔基体与第二多孔基体可增大雾化面积，进而提高烟气中颗粒物的含量，提升用户抽吸体验。
附图说明
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本申请实施例提供的电子雾化装置示意图；
图2是本申请实施例提供的电子雾化装置中雾化器示意图；
图3是本申请实施例提供的雾化器的分解示意图；
图4是本申请实施例提供的雾化器的剖面示意图；
图5是本申请实施例提供的雾化器中的窄通道和较宽通道示意图；
图6是本申请实施例提供的雾化器中多孔基体示意图；
图7是本申请实施例提供的雾化器中多孔基体的另一视角示意图；
图8是本申请实施例提供的雾化器中支架示意图；
图9是本申请实施例提供的雾化器中支架的另一视角示意图；
图10是本申请实施例提供的雾化器中支架的俯视示意图；
图11是本申请实施例提供的雾化器中密封件示意图；
图12是本申请实施例提供的雾化器中密封件的另一视角示意图；
图13是本申请实施例提供的雾化器中底座示意图。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。为了便于理解本申请，下面结合附图和具体实施方式，对本申请进行更详细的说明。需要说明的是，当元件被表述“固定于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“上”、“下”、“左”、“右”、“内”、“外”以及类似的表述只是为了说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本说明书中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是用于限制本申请。本说明书所使用的术语“和/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所示，电子雾化装置100包括雾化器10、主体20。
雾化器10可拆卸地与主体20连接，包括但不限于卡扣、磁性、螺纹连接。在其他示例中，雾化器10和主体20设计为一个整体，也是可行的。
主体20包括为雾化器10供电的电源装置(未示出)，电源装置可以是可反复充电电池或一次性电池。
主体20还包括控制电子雾化装置100的整体操作的电路(未示出)。电路包括至少一个处理器。处理器可以包括逻辑门阵列，或可以包括通用微处理器和存储微处理器中可执行的程序的存储器的组合。此外，本领域技术人员应理解，电路可以包括另一类型的硬件。
需要说明的是，电子雾化装置100还可包括除上述部件以外的其他通用的部件。
如图2-图4所示，雾化器10包括壳体11、密封件12、导电连接件13、支架14、多孔基体15、多孔基体16、导电连接件17、导电连接件18、密封件19、底座20、连接器21以及连接器22。
壳体11具有吸嘴端和敞口端。吸嘴端具有出气口111，加热雾化后的气溶胶通过出气口111可被使用者吸食。底座20设置在敞口端，且至少部分收容在壳体11内。底座20与壳体11为卡扣连接，但不限于此连接方式。底座20与壳体11的内壁之间形成储液腔112，储液腔112用于存储可生成气溶胶的液体气溶胶形成基质。壳体11还具有一体形成的导气管113，导气管113的内表面界定部分气流通道(图4中的虚线箭头所示)，导气管113的一端与出气口111连通，另一端与支架14连接。进一步地，为了避免液体气溶胶形成基质从导气管113与支架14之间的间隙流入气流通道，导气管113与支架14之间可设置密封件12。需要说明的是，在其他示例中，导气管113可由单独的中空管形成也是 可行的。
支架14用于保持多孔基体15、多孔基体16以及导电连接件13。支架14设置在壳体11内，且位于底座20与出气口111之间。支架14的一端与导气管113连接，另一端与底座20连接。进一步地，为了避免液体气溶胶形成基质从支架14与底座20之间的间隙流出，支架14与底座20之间可设置密封件19。
在本示例中，为了便于制造，多孔基体15与多孔基体16均被构造成板状或者片状，且多孔基体15与多孔基体16的形状保持一致。
请参考图6-图7所示，多孔基体15包括吸液面151、以及相对于吸液面151的雾化面152；吸液面151与储液腔112流体连通，雾化面152上形成有用于加热液体气溶胶形成基质的加热元件153。在本示例中，加热元件153包括导电轨迹1531、接触点1532以及接触点1533，加热元件153可通过丝网印刷形成在雾化面152上，加热元件153的材质包括但不限于镍、铬、镍铬合金、不锈钢。多孔基体15由多孔材料制作而成，例如多孔陶瓷、多孔玻璃陶瓷、多孔玻璃等制成。
支架14呈中空状，支架14的内表面、多孔基体15的雾化面152以及多孔基体16的雾化面共同界定部分气流通道，多孔基体15的雾化面152以及多孔基体16的雾化面均呈平坦状。导电连接件13用于将多孔基体15上的加热元件153与多孔基体16上的加热元件串联连接。
请参考图8-图10所示，支架14呈中空管状，中空管状的周面上具有沿径向方向凹陷的通孔141和通孔142。通孔141的大小与多孔基体15的大小保持一致，可以略微小于多孔基体15，以使得多孔基体15保持在通孔141上；在安装时，雾化面152朝向气流通道，吸液面151背向气流通道放置，即在安装之后雾化面152是暴露于气流通道。通孔142与多孔基体16与此类似。中空管状内还具有一过孔143，导电连接件 13在分别与多孔基体15上的加热元件153的接触点1532、多孔基体16上的加热元件的接触点连接之后，部分导电连接件13可从过孔143中延伸出来，以便与外部电源耦接，进而将多孔基体15上的加热元件153与多孔基体16上的加热元件串联连接。
优选的，通过通孔141与通孔142的设置，在多孔基体15和多孔基体16分别安装在通孔141和通孔142上之后，多孔基体15的雾化面152与多孔基体16的雾化面围绕部分气流通道周向间隔设置，且均与气流通道的延伸方向平行设置，多孔基体15的雾化面152与多孔基体16的雾化面也是平行设置且是面对面地设置。这样可增大雾化面积，提高烟气中颗粒物的含量。
需要说明的是，由于多孔基体15与多孔基体16均被构造成板状或者片状，且多孔基体15的雾化面152以及多孔基体16的雾化面均呈平坦状，可以很容易想象得到的是，多孔基体15与多孔基体16、或者多孔基体15的雾化面152与多孔基体16的雾化面的设置并不限于附图所示的情形，例如：多孔基体15与多孔基体16可以上下设置、多孔基体15的部分雾化面152与多孔基体16的部分雾化面围绕部分气流通道周向间隔设置等等。
请参考图5所示，沿着气流通道的延伸方向，气流通道(图5中的虚线箭头所示)大致包括较宽通道A1、窄通道A2和较宽通道A3；窄通道A2由多孔基体15的雾化面152、多孔基体16的雾化面以及支架14的内表面限定。窄通道A2足够窄以在使用者操作电子雾化装置期间，由于文丘里效应而在多孔基体15的雾化面152以及多孔基体16的雾化面上产生足够大的负压，从而使得液体气溶胶形成基质顺畅地从储液腔112流经过多孔基体的吸液面至多孔基体的雾化面。一般地，多孔基体15的雾化面152与多孔基体16的雾化面之间的距离介于0.5mm～1.5mm。
较宽通道A1由导气管113限定，较宽通道A3由部分支架14和密封件19限定，较宽通道A1和较宽通道A3的宽度均大于窄通道A2的宽度，即多孔基体15的雾化面152与多孔基体16的雾化面之间的距离。较宽通道A3至窄通道A2，随着宽度的减小压力增大，从而在多孔基体15的雾化面152以及多孔基体16的雾化面上产生足够大的负压；窄通道A2至较宽通道A1，随着宽度的增大压力减小。
优选的，支架14、导电连接件13、多孔基体15以及多孔基体16可一体地形成。例如：可模制材料围绕多孔基体15以及多孔基体16的侧面模制。一体形成结构，密封效果好，液体气溶胶形成基质不会从多孔基体15(或者多孔基体16)与支架14之间的间隙流入气流通道。可以很容易想象得到的是，也可不一体地形成，在多孔基体15(或者多孔基体16)与支架14之间设置密封件也是可实现的。
需要说明的是，通孔141与通孔142的设置并不限于上述情形，只要能够使得多孔基体15的雾化面152在所述气流通道上的投影与多孔基体16的雾化面在所述气流通道上的投影至少部分重叠即可。
请参考图3-图4、图11-图12所示，密封件19包括收容腔191、气流通孔192、过孔193、过孔194、收容腔195以及收容腔196。
收容腔191用于收容部分支架14以保持支架14的端部，气流通孔192的内表面界定部分气流通道。导电连接件17的一端与多孔基体15上的加热元件153的接触点1533连接之后，部分导电连接件17通过过孔193收容在收容腔196；连接器22穿过底座20也是收容在收容腔196，进而与部分导电连接件17保持接触形成电连接。导电连接件18的一端与多孔基体16上的加热元件的接触点连接之后，部分导电连接件18通过过孔194收容在收容腔195；连接器21穿过底座20也是收容在收容腔195，进而与部分导电连接件18保持接触形成电连接。收容腔195与 收容腔196分别沿着气流通道的方向凹陷形成，收容腔191沿着与气流通道相反的方向凹陷形成，它们的凹陷长度均小于密封件19沿着气流通道的方向的长度。
请参考图3-图4、图13所示，底座20包括进气口201、进气口202、过孔203、过孔204以及收集腔205。
进气口201、进气口202均与密封件19的气流通孔192沿着雾化器10的厚度方向错开，避免冷凝液从进气口201、进气口202流出。收集腔205用于收集冷凝液，收集腔205沿着与气流通道相反的方向凹陷形成。连接器22穿过过孔203收容在收容腔196，连接器21穿过过孔204收容在收容腔195。
在另一示例中，储液腔112包括第一储液腔和第二储液腔；
所述第一储液腔，用于存储第一液体气溶胶形成基质；多孔基体15的吸液面151与所述第一储液腔流体连通，多孔基体15上的加热元件153用于加热所述第一液体气溶胶形成基质；
所述第二储液腔，用于存储第二液体气溶胶形成基质；多孔基体16的吸液面与所述第二储液腔流体连通，多孔基体16上的加热元件用于加热所述第二液体气溶胶形成基质。
在该示例中，所述第一储液腔与所述第二储液腔可以是相互分隔开的且没有流体导通，也可以是相互分隔开的但有流体导通。所述第一液体气溶胶形成基质与所述第二液体气溶胶形成基质的成分可以相同，也可以不同。优选的，所述第一储液腔与所述第二储液腔可以是相互分隔开的且没有流体导通，所述第一液体气溶胶形成基质与所述第二液体气溶胶形成基质的成分不同。
需要说明的是，本申请的说明书及其附图中给出了本申请的较佳的实施例，但是，本申请可以通过许多不同的形式来实现，并不限于本说 明书所描述的实施例，这些实施例不作为对本申请内容的额外限制，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。并且，上述各技术特征继续相互组合，形成未在上面列举的各种实施例，均视为本申请说明书记载的范围；进一步地，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本申请所附权利要求的保护范围。

Claims (15)

  1. 一种雾化器，其特征在于，包括：
    进气口、出气口以及从所述进气口到所述出气口的气流通道；
    储液腔，用于存储液体气溶胶形成基质；
    第一多孔基体，包括第一吸液面、以及相对于所述第一吸液面的第一雾化面；所述第一吸液面与所述储液腔流体连通，所述第一雾化面上形成有用于加热所述液体气溶胶形成基质的第一加热元件；
    第二多孔基体，包括第二吸液面、以及相对于所述第二吸液面的第二雾化面；所述第二吸液面与所述储液腔流体连通，所述第二雾化面上形成有用于加热所述液体气溶胶形成基质的第二加热元件；
    其中，所述第一雾化面和所述第二雾化面均呈平坦状且暴露于所述气流通道。
  2. 根据权利要求1所述的雾化器，其特征在于，所述第一雾化面和所述第二雾化面围绕部分所述气流通道周向间隔设置。
  3. 根据权利要求2所述的雾化器，其特征在于，所述第一雾化面和所述第二雾化面均与所述气流通道的延伸方向平行设置。
  4. 根据权利要求3述的雾化器，其特征在于，所述第一雾化面与所述第二雾化面面对面设置。
  5. 根据权利要求1所述的雾化器，其特征在于，沿着所述气流通道的延伸方向，所述气流通道包括窄通道和至少一个较宽通道；所述第一雾化面和所述第二雾化面限定部分所述窄通道。
  6. 根据权利要求5所述的雾化器，其特征在于，所述第一雾化面与所述第二雾化面之间的距离介于0.5mm～1.5mm。
  7. 根据权利要求1所述的雾化器，其特征在于，所述第一多孔基体与所述第二多孔基体均被构造成板状或者片状。
  8. 根据权利要求1-7任一所述的雾化器，其特征在于，所述雾化器还包括支架，所述支架用于保持所述第一多孔基体和所述第二多孔基体。
  9. 根据权利要求8所述的雾化器，其特征在于，所述支架呈中空状，所述支架的内表面、所述第一雾化面以及所述第二雾化面共同界定部分所述气流通道。
  10. 根据权利要求8所述的雾化器，其特征在于，所述雾化器还包括保持在所述支架上的导电连接件，所述导电连接件用于将所述第一加热元件与所述第二加热元件串联连接。
  11. 根据权利要求8所述的雾化器，其特征在于，所述支架、所述第一多孔基体以及所述第二多孔基体一体地形成。
  12. 根据权利要求8所述的雾化器，其特征在于，所述雾化器还包括壳体和底座；
    所述壳体具有吸嘴端和敞口端，所述底座设置在所述敞口端；
    所述出气口设置在所述吸嘴端，所述进气口设置在所述底座上；
    所述支架、所述第一多孔基体以及所述第二多孔基体设置在所述壳体内，且位于所述底座与所述出气口之间。
  13. 根据权利要求12所述的雾化器，其特征在于，所述雾化器还包括导气管，所述导气管与所述出气口连通，所述导气管的内表面界定部分所述气流通道；
    所述支架的一端与所述导气管连接，另一端与所述底座连接。
  14. 根据权利要求1-7任一所述的雾化器，其特征在于，所述储液腔包括第一储液腔和第二储液腔；
    所述第一储液腔，用于存储第一液体气溶胶形成基质；所述第一吸液面与所述第一储液腔流体连通，所述第一加热元件用于加热所述第一液体气溶胶形成基质；
    所述第二储液腔，用于存储第二液体气溶胶形成基质；所述第二吸液面与所述第二储液腔流体连通，所述第二加热元件用于加热所述第二液体气溶胶形成基质。
  15. 一种电子雾化装置，其特征在于，包括权利要求1-14任一所述的雾化器、以及为所述雾化器供电的电源装置。
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