WO2021254492A1 - Dispositif de génération d'aérosol et inhalateur électronique d'aérosol - Google Patents

Dispositif de génération d'aérosol et inhalateur électronique d'aérosol Download PDF

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Publication number
WO2021254492A1
WO2021254492A1 PCT/CN2021/100965 CN2021100965W WO2021254492A1 WO 2021254492 A1 WO2021254492 A1 WO 2021254492A1 CN 2021100965 W CN2021100965 W CN 2021100965W WO 2021254492 A1 WO2021254492 A1 WO 2021254492A1
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WO
WIPO (PCT)
Prior art keywords
liquid
cavity
generating device
aerosol generating
holding member
Prior art date
Application number
PCT/CN2021/100965
Other languages
English (en)
Chinese (zh)
Inventor
戴朋新
吴泽鑫
徐中立
李永海
Original Assignee
深圳市合元科技有限公司
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 深圳市合元科技有限公司 filed Critical 深圳市合元科技有限公司
Priority to US18/011,189 priority Critical patent/US20230240371A1/en
Priority to EP21825820.0A priority patent/EP4169395A4/fr
Publication of WO2021254492A1 publication Critical patent/WO2021254492A1/fr

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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
    • A24F40/48—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
    • A24F40/40—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
    • A24F40/46—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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the embodiments of the present application relate to the field of electronic cigarettes, in particular to an aerosol generating device and an aerosol electronic inhaler.
  • a typical atomizer usually has the function of storing a liquid matrix itself, which includes a liquid reservoir for storing liquid and an atomizing element for evaporating the liquid.
  • the atomizing element is usually implemented as a resistance heater, such as a heating wire coil.
  • the power supply device usually includes a battery for supplying power to the atomizing element and a control part for controlling the output power of the battery. In existing products, the power supply device usually also includes an airflow sensor.
  • the power supply device may, for example, detect when the user inhales on the inhaler through the airflow sensor to activate the operation of the atomizer, so as to control the battery to provide power to the atomizing element. This activation causes the atomizing element to evaporate a small amount of liquid from the reservoir, and the aerosol is generated and then inhaled by the user along with the airflow.
  • atomizer is usually configured for one-time use. When the internal liquid is exhausted, the atomizer can be discarded and replaced with a new one.
  • TPM total particulate matter
  • patent application CN108883242A discloses a vapor supply system, which includes a flat-shaped container for storing liquid, and a cotton core with strong wicking ability is used in the container to guide the liquid to the heating wire coil for vaporization. In this way, the liquid supply is relatively sufficient during the suction process, so that the user can obtain the desired TPM.
  • the technical problem to be solved by this application is to overcome the shortcomings of the prior art and provide an aerosol generating device and an aerosol generating device that can not only obtain the desired TPM during suction, but also minimize the possibility of inhaling an incompletely atomized liquid matrix. Aerosol electronic inhaler.
  • the aerosol generating device includes: a housing having an open end, the housing extending in an axial direction and having a matrix cavity for containing a liquid substrate in the housing; a first liquid holder connected to the open end of the housing, The first liquid holder includes a body and a support part extending from the body into the matrix cavity; an atomizing element, which is held by the support part, and is used for atomizing the liquid matrix to generate aerosol; and a second liquid holding part Member having an aerosol outlet, the second liquid holding member cooperates with the supporting part of the first liquid holding member to define an atomizing cavity, and the atomizing element is at least partially located in the atomizing cavity; and at least one The air inlet is configured to guide external air into the aerosol generating device; wherein the body of the first liquid holder is formed with an airflow buffer cavity in fluid communication with the air inlet, and the airflow buffer cavity is located The upstream of the atomization
  • the first liquid retaining member has a first width dimension perpendicular to the axial direction, and the extension width of the airflow buffer cavity along the first width direction is greater than that of the atomization cavity in the first width direction.
  • the extension width in the first width direction is greater than that of the atomization cavity in the first width direction.
  • the atomization cavity is in fluid communication with the airflow buffer cavity through an airflow hole, and the air inlet and the airflow hole are staggered in the axial direction.
  • the first liquid holding member has a second width dimension perpendicular to the axis direction, and the second width direction is perpendicular to the first width direction, and the largest dimension of the first liquid holding member in the second width direction It is smaller than the largest dimension along the first width direction.
  • the ratio of the maximum dimension in the second width direction of the first liquid retaining member to the maximum dimension in the first width direction is 0.2-0.4.
  • the airflow buffer cavity penetrates the body along the second width direction.
  • a first barrier wall and a second barrier wall are arranged in the airflow buffer chamber at intervals to separate the airflow buffer chamber into a first buffer chamber, a second buffer chamber, and a second buffer chamber in sequence.
  • the second buffer chamber is located between the first buffer chamber and the third buffer chamber and is in fluid communication with the atomization chamber.
  • the first barrier wall and the second barrier wall are both provided with gaps for conducting airflow.
  • the notch on the first barrier wall and the notch on the second barrier wall are arranged staggered adjacent to opposite sides of the body.
  • a first sealing element and a second sealing element are arranged between the first liquid holding element and the housing, and the airflow buffer chamber is located between the first sealing element and the second sealing element.
  • a first accommodating groove for accommodating the first sealing member and a second accommodating groove for accommodating the second sealing member are opened on the outer peripheral surface of the first liquid holder ,
  • the axial depth of the first accommodating groove is greater than the axial depth of the second accommodating groove.
  • the first sealing element is in the shape of an endless belt, and the first sealing element includes at least two rings of sealing ribs for abutting against the inner wall of the housing.
  • the first sealing member is formed by extending at least a part of the second liquid holding member toward the first liquid holding member.
  • the first liquid retaining member further includes a substantially cylindrical extension portion extending from the main body toward the matrix cavity, and the first receiving groove is opened on the outer peripheral surface of the extension portion.
  • the atomizing element includes a liquid guiding core and a heating wire surrounding the liquid guiding core, and the second liquid holding member cooperates with the first liquid holding member to clamp The liquid-conducting core.
  • the supporting portion includes a first supporting arm and a second supporting arm that are opposed to each other.
  • the first supporting arm and the second supporting arm are provided with a groove for accommodating the liquid guiding core.
  • the liquid core is contained in the groove and its end extends into the matrix cavity.
  • a vent tube for discharging aerosol is further provided in the matrix cavity, and the end of the vent tube is connected with the aerosol outlet of the second liquid holder.
  • the first liquid retaining member further includes an extension portion extending from the body toward the matrix cavity, the extension portion and the supporting portion define a liquid slow flow cavity, and the liquid guide The end of the core extends into the liquid slow flow cavity.
  • At least one drainage hole for guiding the liquid matrix to flow into the liquid slow flow cavity is opened on the second liquid holding member.
  • the second liquid retaining member is configured as an elastic body and has a joint surface matching the outer peripheral surface of the liquid guiding core.
  • the first liquid retaining member is configured as a rigid body
  • the second liquid retaining member is configured as an elastic body that cooperates with the first liquid retaining member, and the two define the liquid matrix from the The conduction path through which the matrix cavity flows to the atomization cavity.
  • At least part of the housing is configured to be transparent or translucent, so that the airflow buffer cavity can be seen through the outer surface of the housing.
  • the aerosol generating device of this embodiment includes: a reservoir, including a housing, the housing has a matrix cavity for accommodating a liquid matrix and defining a vent tube for discharging aerosol; and a second configured as a rigid body A liquid holder, connected to the liquid reservoir; an atomizing element, including a liquid guiding core and a heating element for heating the liquid matrix from the liquid guiding core to generate aerosol; and a second configured as an elastic body
  • the liquid holding member has an aerosol outlet communicating with the vent tube, and the second liquid holding member cooperates with the first liquid holding member to define an atomization cavity and a communication between the atomization cavity and the matrix cavity.
  • the first liquid holding member includes a supporting part for holding a liquid-conducting core, and the second liquid holding part is provided with a groove for accommodating at least a part of the supporting part.
  • the aerosol generating device of this embodiment includes: a housing with a matrix cavity for accommodating a liquid matrix inside the housing, the housing including a front surface and a back surface opposed to each other, and at least part of the front surface or the back surface is Transparent or translucent; a first liquid holding member, connected to the housing, the first liquid holding member including a body and a support part extending from the body into the matrix cavity; an atomizing element, which is covered by the The supporting part is held for atomizing the liquid substrate to generate an aerosol; the second liquid holding part has an aerosol outlet, and the second liquid holding part cooperates with the supporting part of the first liquid holding part to define an atomization cavity , The atomization element is at least partially located in the atomization cavity; and at least one air inlet configured to guide external air into the aerosol generating device; wherein the first liquid holder is formed with the An airflow buffer cavity in fluid communication with the air inlet, the airflow buffer cavity is in fluid communication with the aerosol generating device;
  • the present application also provides an embodiment of an aerosol electronic inhaler, which includes an atomization device and a power supply device for supplying power to the atomization device.
  • the atomization device may be involved in the above-mentioned various embodiments and optimization solutions.
  • the aerosol generating device may be involved in the above-mentioned various embodiments and optimization solutions.
  • the power supply device includes a power supply housing and a battery located in the power supply housing.
  • One end of the power supply housing is provided with a receiving cavity, and at least a part of the aerosol generating device can be inserted into the receiving cavity to interact with the The power supply unit remains electrically connected.
  • the aerosol generating device provided in the embodiments of the present application includes a first liquid holding member and a second liquid holding member, and the first liquid holding member and the second liquid holding member cooperate to define an atomization Cavity, and an airflow buffer cavity fluidly connected to the atomization cavity is formed in the first liquid holder.
  • the airflow buffer cavity can increase appropriate suction resistance, and also increase the amount of air storage in the upstream space of the atomization cavity, ensuring The airflow can flow into the atomization cavity smoothly, reducing the escape of the unatomized liquid matrix, so that while obtaining a large enough TPM, it can prevent users from inhaling large-particle liquid matrix and provide a high-quality taste.
  • Fig. 1 is a schematic diagram of an aerosol generating device provided by some embodiments of the present application.
  • Fig. 2A is a front view of the aerosol generating device shown in Fig. 1;
  • FIG. 2B is a top view of the aerosol generating device shown in FIG. 1;
  • Fig. 2C is a left side view of the aerosol generating device shown in Fig. 1;
  • Fig. 3 is a cross-sectional view of the aerosol generating device provided by some embodiments of the present application along the X-Z axis;
  • FIG. 4 is a cross-sectional view of the aerosol generating device provided by some embodiments of the present application along the X-Y axis;
  • Fig. 5 is an exploded schematic diagram of an aerosol generating device provided by some embodiments of the present application.
  • Fig. 6 is a schematic diagram of the first liquid holding member and the second liquid holding member cooperated to clamp the atomizing element in the aerosol generating device provided by some embodiments of the present application;
  • FIGS. 7A-7C are schematic views of the structure of the first liquid holder in the aerosol generating device provided by some embodiments of the present application from different perspectives;
  • FIG. 8 is a schematic structural diagram of a second liquid holder in an aerosol generating device provided by some embodiments of the present application.
  • Figure 9 is a longitudinal cross-sectional view of an aerosol generating device provided by other embodiments of the present application.
  • FIG. 10 is an exploded schematic diagram of the aerosol generating device shown in FIG. 9;
  • Fig. 11 is a schematic diagram of an embodiment of an aerosol electronic inhaler provided by the present application.
  • the aerosol generating device may be, for example, an atomizer or other nicotine delivery device used in an electronic cigarette, or another atomizing device containing volatile components that can be inhaled by the human body.
  • the present application provides an embodiment of the aerosol generating device 10.
  • the aerosol generating device 10 is an atomizer for electronic cigarettes.
  • the aerosol generating device 10 includes a reservoir 100, a first liquid holder 200, a second liquid holder 300 connected to the reservoir 100, and a Atomizing element inside the liquid container 100.
  • the reservoir 100 includes a flat-shaped housing 101, and inside the housing 101 there is a matrix cavity for accommodating a liquid matrix.
  • the atomizing element is used to atomize the liquid matrix to form an aerosol that can be inhaled by the user.
  • the liquid matrix can be Liquid containing nicotine, nicotine salt or other volatile components that can be biologically absorbed by the human body.
  • the first liquid holder 200 and the second liquid holder 300 cooperate with the housing 101 to keep the liquid matrix inside the matrix cavity and prevent the liquid matrix from leaking to the outside of the housing 101 or the air flow channel in the housing.
  • the housing 101 extends along an axis direction (Z-axis direction), and includes a front surface 1011 and a rear surface 1012 opposite in the Y-axis direction.
  • the first side surface 1013 and the second side surface 1014 of the front surface 1011 and the rear surface 1012 are located upstream
  • the upper end surface 1015 and the open end 1016 located downstream. It can be seen from FIG. 1 that the width dimension of each surface of the housing 101 extending in the X-axis direction is significantly larger than the width dimension extending in the Y-axis direction, so as to visually construct a flat shape.
  • the first liquid holder 200 is inserted into the open end 1016 of the housing 101 and connected with the open end 1016 to keep all other components inside the housing 101.
  • Both the front surface 1011 and the rear surface 1012 are provided with two spaced openings 1017 or grooves.
  • the outer side surface of the first liquid holding member 200 is provided with corresponding protruding buckles 201, which are opposite to the opening 1017 or grooves. It cooperates to install the first liquid holder 200 on the housing 101. It is understandable that the above-mentioned openings or grooves may also be opened on the first side surface 1013 and the second side surface 1014, and the housing 101 is connected to the first liquid holding member 200 through the first side surface 1013 and the second side surface 1014.
  • a magnetic element 50a and a magnetic element 50b that are symmetrical along a certain YZ axis plane are installed on the end surface of the first liquid holder 200.
  • the magnetic element 50a and the magnetic element 50b can be It is a magnet or a ferromagnetic material capable of attracting magnets.
  • the aerosol generating device 10 is physically connected to the power supply device through the magnetic element 50a and the magnetic element 50b.
  • a pair of electrodes 60a, 60b are also installed on the end surface of the first liquid holder 200.
  • the electrodes 60a and 60b are located between the magnetic element 50a and the magnetic element 50b, and are also symmetrical along the YZ axis plane.
  • the electrodes 60a and 60b are used for Connect the positive and negative poles of the power supply device to provide current to the atomizing element.
  • the housing 101 is transparent or translucent, such as a transparent plastic housing.
  • the housing 101 may be made of transparent or translucent plastic materials such as polypropylene (PP) or polyethylene terephthalate-1,4-cyclohexanedimethanol (PCTG).
  • PP polypropylene
  • PCTG polyethylene terephthalate-1,4-cyclohexanedimethanol
  • the user can observe the internal condition of the housing 101 through the surface of the housing 101, such as the front surface 1011 or the rear surface 1012.
  • the user can observe the volume of the liquid matrix in the matrix cavity through the transparent housing, and the transparent housing can visualize the inside of the housing. Airflow channel.
  • each surface of the housing 101 is formed with unequal width dimensions along the Z direction, specifically including a first part 104 and a second part 103 whose outer surface is relatively limited in size, the first part 104 and the second part 103 can be a transparent plastic integrated molding structure.
  • the second part 103 can be inserted and hidden inside the power supply device, while the first part 104 is exposed outside the power supply device for supply The user’s lips engage and suck.
  • a step 105 is formed between the first part 104 and the second part 103. The step surface of the step 105 is not flat, but has a certain curvature.
  • the step 105 and the battery device The outer surface of the first part 104 and the outer surface of the battery device casing are combined to form a continuous and complete surface. It is conceivable that the end surface of the battery device also has a matching arc. It can be understood that the first part 103 and the second part 104 may also be separated members, and the first part 103 used as a suction nozzle is assembled in the second part. One end of 104 covers a part of the second part 104, and the inside of the second part 104 forms a matrix cavity.
  • the front surface 1011 and the rear surface 1012 of the first part 103 are respectively recessed and formed with engaging surfaces 102 that engage with the lips.
  • the two engaging surfaces 102 are recessed inward and are close to each other to form a comparative structure. Thin thickness to adapt to the opening and closing of the user's lips during the suction process.
  • an air outlet 106 is opened in the center of the upstream end surface 1015, through which a part of the atomizing element can be exposed.
  • the aerosol generated by the atomizing element atomizing the liquid matrix is released into the airflow channel.
  • the accompanying airflow is finally discharged from the airflow outlet 106.
  • the user can hold the upstream end surface 1015 of the first part 103 with the lips to suck aerosol from the air flow outlet 106.
  • the thickness of the middle part of the upstream end surface 1015 is designed to be greater than the thickness on both sides to adapt to the shape of the lips. , Used to improve the tactile experience during the suction process.
  • the front surface 1011 and the rear surface 1012 of the housing 101 are symmetrical based on the XZ axis plane, so that the user can use the aerosol generating device 10 in combination with the power supply device to operate the aerosol generating device 10 It can be inserted into the accommodating cavity of the power supply device without restriction in both the positive and negative orientations that are relatively rotated 180 degrees around the Z axis, and the electrical connection between the two can be maintained to enhance the use experience.
  • the aerosol generating device 10 includes a reservoir 100 and a first liquid holder 200, a second liquid holder 300, and an atomizing element 400 provided in a housing 101 of the reservoir 100.
  • the housing 101 has a matrix cavity 111 for accommodating a liquid substrate and a vent tube 110 for discharging aerosols.
  • the vent tube 110 is basically located at the center of the housing 101, which is made of the same transparent material as the housing 101. At least a part of the matrix cavity 111 is formed by the space between the vent tube 110 and the housing 101.
  • the first liquid retaining member 200 is made of a rigid material that is not easily deformed by compression, such as opaque plastic.
  • the second liquid retaining member 300 adopts an elastic material such as silica gel that can be elastically deformed.
  • the first liquid retaining member 200 and the second liquid retaining member 300 cooperate to clamp and position the atomizing element inside the reservoir 100, and the first liquid retains
  • the member 200 is connected to the open end of the reservoir 100, and the second liquid holding member 300 is installed between the first liquid holding member 200 and the vent tube 110.
  • the first liquid holder 200 and the second liquid holder 300 define a part of the matrix cavity 111, which cooperate with the housing 101 and the vent tube 110 to keep the liquid matrix inside the matrix cavity 111 and prevent leakage to the vent tube 110 Inside or even outside the housing 101.
  • the atomizing element 400 includes a liquid-conducting core 401 and a heating element 402 for heating the liquid matrix from the liquid-conducting core 401 to generate aerosol.
  • the liquid-conducting core 401 is roughly configured as an elongated cylinder
  • the liquid-conducting core 401 is usually made of flexible materials such as natural cotton, rayon cotton, glass fiber or sponge, which conducts liquid through internal capillary effect and can itself be compressed.
  • the heating element 402 adopts a spiral heating coil made of materials such as nickel alloy, nickel-chromium alloy, iron-chromium-aluminum alloy and the like with suitable impedance, and the heating coil is wound on the middle part of the liquid conducting core 401.
  • the heating element 402 can also be a belt-shaped heating strip with a certain width wrapped around the surface of the liquid conducting core 401, or a mesh heating element surrounding the surface of the liquid conducting core 401, so that the heating element 402 can be increased.
  • the contact area with the surface of the liquid-conducting core 401 increases the TPM value of the generated aerosol.
  • the second liquid holding member 300 cooperates with the first liquid holding member 200 to define an atomization cavity 205 and a conductive path (not shown) connecting the atomization cavity 205 and the matrix cavity 110 Out),
  • the conduction path has a suitable orifice for the liquid guide core 401 to pass through, a part of the heating element 402 and the liquid guide core 401 is located in the atomization cavity 205, and the two ends of the liquid guide core 401 pass through the conduction
  • the path extends to the outside of the atomization cavity 205, so that the liquid substrate is conducted to the heating body 402 through the conductive path to heat and atomize.
  • the first liquid holder 200 has at least one air inlet and an airflow buffer cavity 204 in fluid communication with the air inlet, and the airflow buffer cavity 204 is in fluid communication with the atomization cavity 205 to guide the airflow into the atomization cavity In 205, the atomization cavity 205 is in air flow communication with the vent pipe 110 above.
  • the air inlet includes an air inlet 107a and an air inlet 107b opened on the first liquid holding member 200. When there is a suction operation, the air inlet 107a and the air inlet 107b separate the external air The airflow is introduced into the buffer cavity 204 and mixed and then flows into the atomization cavity 205.
  • the airflow entrains the aerosol generated in the atomization cavity 205 through the ventilation tube 110 to the airflow outlet 106. It is understandable that the air inlet may also be opened on the housing 101 or defined by the gap between the housing 101 and the first liquid holder 200, which is not limited in the present application.
  • a first sealing member 500 and a second sealing member 600 are provided between the first liquid holding member 200 and the housing 101, and the airflow buffer chamber 204 is located between the first sealing member 500 and the second sealing member 500. Between two seals 600.
  • the first sealing member 500 can prevent the liquid in the matrix cavity 111 from leaking into the airflow buffer cavity 204 and the atomization cavity 205.
  • the atomization element is in an inoperative state, and the residual aerosol in the atomization cavity 205 is easily condensed to form condensate, so that the condensate flows into the airflow below.
  • the buffer cavity 204 and the second seal 600 can prevent the condensate in the airflow buffer cavity 204 from leaking to the outside of the device.
  • the first liquid retaining member 200 includes a body 202 and a supporting portion 203 extending from the body 202 into the matrix cavity 111, and the liquid guiding core 402 in the atomizing element is held by the supporting portion 203 Inside the shell.
  • the supporting portion 203 preferably includes a first supporting arm 2031a and a second supporting arm 2031b opposite to each other.
  • the first supporting arm 2031a and the second supporting arm 2031b are connected by two side walls to form an atomization.
  • the first support arm 2031a and the second support arm 2031b are provided with a groove 2032 for accommodating the liquid guiding core 401.
  • the groove 2032 is used to partially define the above-mentioned conduction path.
  • the liquid guiding core 401 is accommodated in the The groove 2032 and its end extend into the matrix cavity 111.
  • the assembly operation first install the first seal 500 and the second seal 600 and the magnetic elements 50a, 50b on the first liquid holder 200, and then install the atomizing element 400 on the first liquid holder 200, Specifically, the liquid guiding core 401 wrapped with the heating wire 402 is placed on the support 203, and then the two pins of the heating wire 402 are passed through the reserved holes in the body 202 to the bottom end surface, and then bend and inserted.
  • the two electrodes 60a, 60b are installed in the electrode mounting holes, and the two pins of the heating wire 402 are kept pressed in contact with each other to realize the electrical connection between the electrodes 60a, 60b and the heating wire 402.
  • the second liquid holder 300 is assembled to the bracket portion 203, so that the first liquid holder 200, the atomizing element 400, and the second liquid holder 300 are assembled to form a module. Finally, insert the assembled module above into the housing 101 from the open end 1016.
  • the first liquid holder 200 is connected to the housing 101 by a snap connection, and at the end of the first liquid holder 200 there is a device for connecting with the open end 1016. Abut against the positioned flange 2021.
  • the second liquid holding member 300 has an aerosol outlet 301 communicating with the vent tube 110, and a connecting portion 1101 with a slightly smaller outer diameter at the end of the vent tube 110. The connecting portion 1101 is inserted into the aerosol outlet 301 so that the first The second liquid holder 300 is kept in a sealed connection with the vent pipe 110.
  • the airflow buffer cavity 204 formed in the body 202 of the first liquid holder 200 is located upstream of the atomization cavity 205, and the atomization cavity 205 and the airflow buffer cavity 204 are spaced along the Z axis direction on the first liquid holder 200 Arranged, the atomization cavity 205 and the airflow buffer cavity 204 are in fluid communication with the airflow buffer cavity 204 through an airflow hole 206.
  • the airflow holes 206 are designed as elongated waist-shaped holes or slits extending along the Y-axis direction, or a plurality of airflow holes arranged along the Y-axis direction.
  • the air flow hole 206 is basically aligned axially with the part where the heating wire 402 is wound on the liquid guiding core 401, so that the air in the air flow buffer cavity 204 can be directly blown to the heating wire 402 through the air flow hole 206, during the user's suction process It has a continuous cooling effect on the aerosol generated near the heating wire, and reduces the temperature of the aerosol in the user's inhalation mouth.
  • the housing 101 of the reservoir 100 includes a front surface 1011 and a rear surface 1012 opposed to each other. At least part of the front surface 1011 or the rear surface 1012 is transparent or translucent. description of.
  • the airflow buffer cavity 204 in the first liquid holder 200 penetrates the body 202 of the first liquid holder 200, that is, the airflow buffer cavity 204 penetrates from one side surface of the body 202 to the opposite The other side surface. It can be seen from FIG.
  • the airflow buffer cavity 204 is located between the front surface 1011 and the rear surface 1012 of the housing 101, so the user can see the airflow buffer cavity 204 through the front surface 1011 or the rear surface 1012 of the housing 101, so that The user can observe the accumulation of condensate in the airflow buffer chamber 204 through the housing.
  • a condensate absorbing material such as a fiber material such as cotton, may also be provided in the airflow buffer chamber 204 to absorb the condensate entering the airflow buffer chamber 204 to prevent excessive condensate from being in the airflow buffer chamber. Unnecessary flow is generated in the 204, thereby reducing the risk of liquid leakage and preventing the condensate from being inhaled by the user along with the airflow.
  • Figure 6 provides a new air flow path configuration, in which the first liquid holding member 200 has a first width dimension perpendicular to the axial direction (Z-axis direction), and the air flow buffer cavity 204 is along the first width direction (X-axis direction).
  • the extension width L2 in the direction) is greater than the extension width L1 of the atomization cavity 205 in the first width direction, so that the air containing volume of the airflow buffer cavity 204 is greater than the air containing volume of the atomization cavity 205, which greatly improves the fog
  • the air storage in the upstream space of the chemical chamber 205 makes the air flow from the air buffer chamber 204 into the atomization chamber 205 more moderate.
  • the air inlet 107a and the air inlet 107b on the first liquid holder 200 are respectively staggered from the airflow hole 206 in the axial direction, which can further slow down the flow rate of the airflow into the atomization cavity 205.
  • the staggered arrangement of the air flow hole 206 and the air inlet can also reduce to a certain extent the condensed liquid in the atomization cavity 205 directly leaking from the air inlet.
  • a first receiving groove 501 for accommodating the first sealing member 500 and a first accommodating groove 501 for accommodating the second sealing member are opened on the outer peripheral surface of the first liquid holding member 200
  • the axial depth of the first receiving groove 501 is greater than the axial depth of the second receiving groove 601.
  • the first sealing member 500 is in the shape of an endless belt, and the first sealing member 500 includes at least two rings of sealing ribs 502 for abutting against the inner wall of the housing 101 to improve the sealing performance.
  • a first barrier wall 2044 and a second barrier wall 2045 are arranged in the airflow buffer cavity 204 at intervals to divide the airflow buffer cavity 204 into a first buffer cavity 2041, a second buffer cavity 2042, and a third buffer cavity 2041.
  • the second buffer cavity 2042 is located between the first buffer cavity 2041 and the third buffer cavity 2043 and is in fluid communication with the atomization cavity 205.
  • the first barrier wall 2044 and the second barrier wall 2045 are both provided with The gap that leads to the airflow. Therefore, dividing the airflow buffer cavity 204 into three communicating spaces can further reduce the flow rate of the airflow while ensuring sufficient air storage capacity, and provide the user with appropriate suction resistance.
  • the notch 2046 on the first barrier wall 2044 and the notch 2047 on the second barrier wall 2045 are staggered adjacent to opposite sides of the body.
  • the air in the buffer cavity 2041 is guided to the second buffer cavity 2042, and the gap 2047 guides the air in the third buffer cavity 2043 to the second buffer cavity 2042.
  • the gap 2046 is adjacent to the front surface 1011 of the housing 101
  • the gap 2047 is adjacent to the rear surface 1012 of the housing 101. Therefore, it is conceivable that such a configuration can make the air flow in the first buffer chamber 2041 and the third buffer chamber 2043 located on the left and right sides alternately merge into the second buffer chamber 2042.
  • the air flow It enters into the second buffer cavity 2042 from the left and right sides and forms a swirling turbulent flow, and then merges into the upper atomization cavity 205 together to improve the degree of relaxation of the airflow.
  • a first accommodating groove 501 for accommodating the first sealing element 500 and a second accommodating groove 501 for accommodating the second sealing element 600 are opened on the outer peripheral surface of the first liquid holding element 200
  • the groove 601, the first receiving groove 501 and the second receiving groove 601 are substantially annular, and the axial depth of the first receiving groove 501 along the axial direction is greater than the axial depth of the second receiving groove 601.
  • the first liquid retaining member 200 has a second width dimension perpendicular to the axis direction (Z axis direction), and the second width direction (Y axis direction) is perpendicular to the first width direction (X axis direction).
  • the maximum dimension L3 of the first liquid holding member 200 in the second width direction is smaller than the maximum dimension L4 in the first width direction.
  • the appearance cannot be designed to be flat enough, that is to say, the size ratio between the second width dimension and the first width direction cannot be small enough. The main reason is It is not possible to construct an airflow path in a small enough space to improve the airflow velocity.
  • the ratio of the maximum dimension L3 in the second width direction of the first liquid holding member 200 to the maximum dimension L4 in the first width direction is limited to a range of 0.2 to 0.4, which is much smaller than the size ratio of traditional products. , Which makes the atomizer have a smaller flatness than traditional atomizer products in appearance.
  • the above-mentioned design of the airflow buffer cavity extending along the X axis can provide sufficient air storage space in a sufficiently small volume, that is to say, the aerosol generating device 10 of the present application can be adapted to have a smaller appearance. Flatness product.
  • the first liquid holder 200 further includes an extension portion 207 extending from the body 202 toward the matrix cavity 111, the extension portion 207 is generally cylindrical, and the first The receiving groove 501 is opened on the outer peripheral surface of the extension portion 207, and the upper end of the extension portion 207 has a radially extending flange 2071.
  • the flange 2071 is used for positioning the first sealing member 500 in the first receiving groove 501.
  • the extending portion 207 and the supporting portion 203 (including two supporting arms) define two liquid slow flow cavities 208, and two ends of the liquid guiding core 401 extend into the liquid slow flow cavity 208.
  • the upper end of the liquid slow flow chamber 208 is open.
  • the liquid slow flow chamber 208 is in communication with the matrix cavity 111, and the space of the liquid slow flow chamber 208 is relatively small.
  • the speed of the liquid substrate flowing into the atomization cavity 205 through the liquid guiding core 401 can be slowed down, and an excessive amount of the liquid substrate can be prevented from entering the atomization cavity 205 and thus not being completely heated and atomized.
  • FIG. 8 provides the configuration of an embodiment of the second liquid holding member 300.
  • the second liquid holding member 300 is made of an elastic material such as silica gel, and includes a body 303. One end of the body 303 is provided with an aerosol outlet 301. The aerosol outlet 301 penetrates through the body 303.
  • the supporting portion 203 of the 200 extends a hollow cylindrical body 305 that is generally square in shape. There are respectively suspended elastic arms 304a and 304b on both sides of the cylinder 305. A groove 306 is defined between the elastic arms 304a and 304b and the cylinder 305.
  • the support portion 203 of the first liquid holder 200 At least a part of it can be contained in the groove 306 so as to realize the sealing cooperation between the first liquid holder 200 and the second liquid holder 300.
  • the sealing part 307 extends into the groove 306, the width of the sealing part 307 in the Y-axis direction and the groove on the support part 203
  • the width of the groove 2032 is basically the same, so that when the two liquid holders are assembled, the sealing portion 307 can enter the groove 2032 and define with the support portion 203 an orifice for the liquid guiding core 401 to pass through.
  • the orifice is formed from The liquid conduction path through which the matrix cavity flows to the atomization cavity.
  • the liquid-conducting core 401 includes a fiber material, the fiber material can be compressed.
  • the first liquid holding member 200 and the second liquid holding member 300 are used to prevent the liquid in the matrix cavity 111 from directly entering the atomization cavity 205 from other paths except that it can only be conducted through the liquid guiding core 401. It is understandable that providing an over-tight seal to the outer surface of the liquid-conducting core 401 can improve the sealing performance, but an over-tight seal will cause the liquid-conducting core 401 to be compressed and affect the liquid wicking performance, making the liquid matrix difficult.
  • the liquid-conducting core 401 travels to the heating element, which is undesirable in product design.
  • the two sealing portions 307 have a joint surface 302 matching the outer peripheral surface of the liquid guiding core 401, and the joint surface 302 is arc-shaped and is along the length direction of the liquid guiding core 401 Extend some distance.
  • the two sealing parts 307 contact the area near the end of the liquid conducting core 401 through the joint surface 302, so that the sealing part 307 will only be slightly deformed.
  • the feedback force provided to the liquid-conducting core 401 is as small as possible, thereby not only providing a good seal, but also ensuring that the wicking performance of the liquid-conducting core 401 is not affected.
  • FIGS 9 and 10 provide an aerosol generating device 10a in another embodiment.
  • the aerosol generating device 10a includes a reservoir 100 and a first liquid holder 200a, a second liquid holder 300a, and an atomizing element 400 installed inside the reservoir 100.
  • the first liquid holder 200a has a support portion 203a, the support portion 203a and the second liquid holder 300a enclose an atomization cavity 205a, and the first liquid holder 200a is provided with an airflow buffer cavity 204a communicating with the atomization cavity 205a ,
  • the airflow buffer cavity 204a is located upstream of the atomization cavity 205a.
  • the first liquid retaining member 200a has an upwardly extending extension portion 207a.
  • the extension portion 207a and the supporting portion 203a enclose a liquid slow flow chamber 208a.
  • the outer diameter of the extension portion 207a is smaller than other parts of the first liquid retaining member 200a, thereby A first sealing groove 501a is formed between the extension 207a and the reservoir 100, and the first sealing member 500a is located in the first sealing groove 501a.
  • the second liquid holding member 300a is made of silica gel.
  • the second liquid holding member 300a includes a silica gel body, and an aerosol outlet 301a is opened on the upper end of the silica gel body.
  • the first sealing member 500a is formed by at least a part of the second liquid holding member 300a extending toward the first liquid holding member 200a, specifically, the lower end of the silicone body extends toward the first liquid holding member 200a.
  • a sleeve (first seal 500a) that can surround the periphery of the extension 207a.
  • the width of the sleeve in the X-axis direction is larger than that of the silicone body.
  • the top of the sleeve is provided with two channels for guiding the liquid matrix into the liquid slow flow cavity
  • the drainage hole 310a and the drainage hole 310b in 208a can reduce assembly parts and simplify the assembly process.
  • FIG 11 provides an embodiment of an aerosol electronic inhaler.
  • the aerosol electronic inhaler includes an aerosol generating device 10a and a power supply device 80, and the power supply device 80 provides the aerosol generating device 10a with electrical energy required for operation.
  • the aerosol generating device 10a includes a reservoir 100a
  • the power supply device 80 includes a power supply housing 801, a battery 802 located in the power supply housing 801, a control circuit board, a bracket and other components.
  • One end of the power supply housing 801 is provided with a receiving cavity 803, and the other end is provided with a charging interface 808 for charging the battery 802 with an external power source, such as a USB Type-C interface.
  • the aerosol generating device 10a includes an inserting portion 103a and an exposed portion 104.
  • the inserting portion 103a and the exposed portion 104 have different outer diameters to form a step 105a.
  • the aerosol generating device 10a can be inserted through the inserting portion 103a and housed in the receiving cavity 803
  • the internal circuit is electrically connected to the power supply device 80.
  • the bottom of the accommodating cavity 803 has two magnetic elements 806 and two electrodes 807.
  • the electrodes 807 are retractable and protrude from the bottom of the accommodating cavity 803.
  • the step 105a abuts against the power supply housing
  • the magnetic element at the bottom end of the aerosol generating device 10a attracts the magnetic element 806 in the receiving cavity 803, so that the insertion portion 103a is held in the receiving cavity 803 and the electrode 807 is compressed, so that the electrode 807 and the aerosol generating device 10a
  • the upper electrode is turned on.
  • Air inlets 804 are provided on both sides of the power supply housing 801, and the air inlets 804 communicate with the receiving cavity 803 and are substantially aligned with the bottom of the receiving cavity 803. Below the bottom wall of the receiving cavity 803, there is a cavity 805 for installing an airflow sensor.
  • the airflow sensor is arranged adjacent to the receiving cavity 803 and is in airflow communication with the air inlet 804.
  • the gap between the aerosol generating device 10a and the bottom wall of the accommodating cavity 803 generates negative pressure, thereby forcing external air into the gap from the air inlet 804, and the airflow sensor generates the negative pressure response signal and It is fed back to the controller, and the controller controls the output power of the battery 802 to the atomization element in the aerosol generating device 10a to start atomization.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)

Abstract

Un dispositif de génération d'aérosol et un inhalateur électronique d'aérosol sont divulgués dans la présente invention. Le dispositif de génération d'aérosol fournit au moins un mode de réalisation et comprend un boîtier, et un premier réservoir de liquide, un second réservoir de liquide et un élément d'atomisation situé à l'intérieur du boîtier. Le boîtier s'étend dans une direction axiale et comporte en son sein une cavité de matrice pour recevoir une matrice liquide ; le premier réservoir de liquide comprend un corps et une partie de support s'étendant dans la cavité de matrice à partir du corps ; le second réservoir de liquide s'accouple avec la partie de support du premier réservoir de liquide pour définir une cavité d'atomisation ; l'élément d'atomisation est maintenu par la partie de support. Une cavité tampon d'écoulement d'air située sur une partie amont de la cavité d'atomisation est formée dans le corps du premier réservoir de liquide. Selon le dispositif de génération d'aérosol dans le mode de réalisation, la conception de la voie d'écoulement d'air dans le dispositif est améliorée, de telle sorte que l'expérience d'aspiration attendue par un utilisateur soit améliorée.
PCT/CN2021/100965 2020-06-18 2021-06-18 Dispositif de génération d'aérosol et inhalateur électronique d'aérosol WO2021254492A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US18/011,189 US20230240371A1 (en) 2020-06-18 2021-06-18 Aerosol generation apparatus and electronic aerosol inhaler
EP21825820.0A EP4169395A4 (fr) 2020-06-18 2021-06-18 Dispositif de génération d'aérosol et inhalateur électronique d'aérosol

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CN202021139269.5U CN212852492U (zh) 2020-06-18 2020-06-18 气溶胶生成装置及气溶胶电子吸入器
CN202021139269.5 2020-06-18

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CN212852492U (zh) * 2020-06-18 2021-04-02 深圳市合元科技有限公司 气溶胶生成装置及气溶胶电子吸入器
CN115590249A (zh) * 2021-06-28 2023-01-13 深圳市合元科技有限公司（Cn） 雾化器及气溶胶生成装置
CN215958366U (zh) * 2021-09-10 2022-03-08 深圳市合元科技有限公司 雾化器、雾化芯和电子雾化装置

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US20230240371A1 (en) 2023-08-03
EP4169395A1 (fr) 2023-04-26
CN212852492U (zh) 2021-04-02
EP4169395A4 (fr) 2023-12-06

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