WO2022165674A1 - Atomiseur, dispositif d'atomisation électronique et procédé d'atomisation pour substrat de génération d'aérosol - Google Patents

Atomiseur, dispositif d'atomisation électronique et procédé d'atomisation pour substrat de génération d'aérosol Download PDF

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Publication number
WO2022165674A1
WO2022165674A1 PCT/CN2021/075093 CN2021075093W WO2022165674A1 WO 2022165674 A1 WO2022165674 A1 WO 2022165674A1 CN 2021075093 W CN2021075093 W CN 2021075093W WO 2022165674 A1 WO2022165674 A1 WO 2022165674A1
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WO
WIPO (PCT)
Prior art keywords
aerosol
cavity
atomizer
bubble flow
bubble
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Application number
PCT/CN2021/075093
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English (en)
Chinese (zh)
Inventor
刘成川
龚博学
姜茹
赵月阳
雷桂林
Original Assignee
深圳麦克韦尔科技有限公司
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.)
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Publication date
Application filed by 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Priority to PCT/CN2021/075093 priority Critical patent/WO2022165674A1/fr
Publication of WO2022165674A1 publication Critical patent/WO2022165674A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge

Definitions

  • the invention relates to the technical field of atomization equipment, in particular to an atomizer, an electronic atomization device and an atomization method for an aerosol-generating substrate.
  • atomizers are generally based on porous ceramics and heating surfaces to atomize the aerosol-forming matrix and form an aerosol; but using porous ceramics for atomization, the components of the aerosol-forming matrix are transported in the ceramic during the boiling process. This is not uniform; and the particle size of the aerosol formed by atomization is difficult to control; and the nebulizer that atomizes the aerosol-forming substrate based on the negative pressure-driven jet method used in medical treatment, which is used in the atomization of high-viscosity. When the aerosol forms the matrix, there is less atomization and more noise.
  • the first technical solution adopted in this application is to provide an atomizer.
  • the atomizer includes a bubble flow cavity and a bubble flow jet head; wherein, the bubble flow cavity is used to mix the aerosol generating substrate with the gas to form a bubble flow; the bubble flow spray head communicates with the bubble flow cavity and is used for A stream of bubbles is jetted and an aerosol is formed.
  • the second technical solution adopted in this application is to provide an electronic atomization device.
  • the electronic atomization device includes an atomizer and a power supply assembly; wherein the atomizer is the aforementioned atomizer; the power supply assembly is connected to the atomizer for supplying power to the atomizer.
  • the third technical solution adopted in this application is to provide an atomization method for an aerosol-generating substrate.
  • the method includes: mixing an aerosol generating substrate with a gas through a bubble flow cavity to form a bubble flow; and spraying the bubble flow through a bubble flow jet head to form an aerosol.
  • the atomizer is provided with a bubble flow cavity, so that the aerosol generation substrate and the gas are mixed and the bubble flow is formed; at the same time, by A bubble flow jet head is set, and the bubble flow jet head is communicated with the bubble flow cavity, so as to spray the bubble flow through the bubble flow jet head and form an aerosol; wherein, because the aerosol generation matrix is mixed with the gas before the spray atomization and forms Bubble flow to realize atomization by utilizing the surface tension of the bubble flow, so as to reduce the influence of the viscosity of the aerosol-generating matrix on the atomization process, and at the same time, it can not only effectively increase the amount of aerosol atomization, but also make the aerosol generation The components of the matrix are sprayed out uniformly.
  • FIG. 1 is a schematic structural diagram of an electronic atomization device provided by an embodiment of the application.
  • FIG. 2 is a schematic structural diagram of an atomizer provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of bubble atomization provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an atomizer provided by another embodiment of the application.
  • FIG. 5 is a schematic structural diagram of an atomizer provided by another embodiment of the application.
  • FIG. 6 is a flowchart of an atomization method for an aerosol-generating matrix provided by an embodiment of the application.
  • FIG. 7 is a flowchart of a method for atomizing an aerosol-generating substrate according to an embodiment of the present application.
  • first”, “second” and “third” in this application are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as “first”, “second”, “third” may expressly or implicitly include at least one of that feature.
  • "a plurality of” means at least two, such as two, three, etc., unless otherwise expressly and specifically defined. All directional indications (such as up, down, left, right, front, rear%) in the embodiments of the present application are only used to explain the relative positional relationship between components under a certain posture (as shown in the accompanying drawings).
  • FIG. 1 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application; in this embodiment, an electronic atomization device 100 is provided.
  • the electronic atomization device 100 can be used to heat and atomize an aerosol-generating substrate to form an aerosol for the user to inhale; wherein, the electronic atomization device 100 can specifically be an electronic cigarette, a portable medical atomizer, and aerosol generation
  • the substrate can specifically be e-liquid, medicinal liquid or other liquid that can be smoked after being aerosolized.
  • the electronic atomization device 100 includes an atomizer 10 and a host 20 .
  • the atomizer 10 and the host 20 are detachably connected.
  • the atomizer 10 is used to heat and atomize the aerosol-generating substrate when powered on;
  • the main unit 20 is provided with a power supply assembly, and the atomizer 10 is plugged into one end port of the main unit 20 and connected to the power supply component in the main unit 20 , to supply power to the atomizer 10 through the power supply assembly.
  • the atomizer 10 can be disassembled and a new atomizer 10 can be installed on the main unit 20 to realize the repeated use of the main unit 20.
  • the electronic atomization device 100 also includes other components in the existing electronic atomization device, such as a microphone head, a bracket, etc., the specific structures and functions of these components are the same as or similar to those in the prior art. For details, please refer to the prior art , and will not be repeated here.
  • FIG. 2 is a schematic structural diagram of an atomizer according to an embodiment of the application; the atomizer 10 may specifically include a bubble flow cavity 11 , a bubble flow spray head 12 , and a gas storage The cavity 13 , the liquid storage cavity 14 and the pressure vessel 15 .
  • the bubble flow chamber 11 is used to mix the aerosol generation substrate with the gas and form a bubble flow; wherein, the viscosity of the aerosol generation substrate may be a high viscosity aerosol generation substrate with a viscosity of not less than 200cps; in a specific embodiment, When the flowing aerosol-generating substrate is in contact with the gas, the two form a plurality of air bubbles 31, and the several air bubbles 31 converge with the flow of the aerosol-generating substrate to form a bubble flow.
  • the bubble flow chamber 11 may be a columnar body structure with an accommodating cavity, and the aerosol-generating matrix and the gas are specifically mixed in the accommodating cavity to form a bubble flow.
  • the bubble jet head 12 can be specifically arranged at one end of the bubble flow cavity 11 , corresponding to the middle position of the bubble flow cavity 11 , and communicated with the bubble flow cavity 11 , and is used for spraying the bubble flow to form gas by atomization.
  • Sol 41 specifically, see FIG.
  • the bubble jet head 12 is formed with a through hole, and when the bubble flow in the bubble flow cavity 11 passes through the through hole , the hole wall of the through hole is stretched and deformed, and it ruptures at one end port of the through hole away from the bubble flow cavity 11, thereby forming aerosol 41 with a smaller particle size;
  • Tension realizes atomization, which can not only reduce the influence of the viscosity of the aerosol generation matrix on the atomization process, but also effectively increase the atomization amount of the aerosol 41, and enable the components of the aerosol generation matrix to be uniformly taken out, ensuring that the Consistency of taste.
  • the radial dimension of the through hole gradually decreases from the end close to the bubble flow chamber 11 to the end away from the bubble flow chamber 11 , so as to use the surface of the bubbles 31 to atomize the aerosol 41 to form the matrix.
  • the radial dimension of the through hole remains unchanged from the end close to the bubble flow cavity 11 to the end away from the bubble flow cavity 11 , that is, the through hole is an equal diameter hole.
  • the gas storage chamber 13 is communicated with the bubble flow chamber 11 for storing gas; the liquid storage chamber 14 is used for storing the aerosol generating matrix; the pressure vessel 15 is communicated with the gas storage chamber 13 and the liquid storage chamber 14, It is used to drive the gas in the gas storage chamber 13 to flow to the bubble flow chamber 11, and to drive the aerosol generation matrix in the liquid storage chamber 14 to flow to the bubble flow chamber 11, so that the aerosol entering the bubble flow chamber 11 is generated.
  • the matrix contacts the gas entering the bubble flow chamber 11 and forms several bubbles 31 .
  • the gas storage cavity 13 is disposed outside the bubble flow cavity 11, and has a first common wall with the bubble flow cavity 11, and a plurality of first communication holes are opened on the first common wall to The air storage cavity 13 and the bubble flow cavity 11 are communicated, so that the gas in the air storage cavity 13 can enter the bubble flow cavity 11 through the first communication hole; it can be understood that the direction of the air bubble 31 in the first communication hole A port at one end of the accommodating cavity is formed.
  • the gas storage cavity 13 is disposed along the periphery of the bubble flow cavity 11 and surrounds the periphery of the bubble flow cavity 11 .
  • the first common wall can be an annular side wall; the gas storage cavity 13 forms an annular cavity to store gas.
  • FIG. 4 is a schematic structural diagram of an atomizer provided by another embodiment of the present application; the bubble flow chamber 11 is arranged on the outside of the air storage chamber 13, and is connected with the air storage chamber.
  • the body 13 has a first common wall; and a plurality of first communication holes are opened on the first common wall to communicate with the gas storage cavity 13 and the bubble flow cavity 11 .
  • the plurality of first communication holes are evenly distributed on the first common side wall, so that the formed air bubbles 31 are evenly distributed in the air bubble flow cavity 11 .
  • the gas storage cavity 13 has a cylindrical cavity to store gas; the bubble flow cavity 11 includes a first cavity part and a second cavity part, and the first cavity part is along the gas storage.
  • the cavity 13 is arranged around the circumference of the air storage cavity 13, and has a first common sub-wall with the air storage cavity 13; There is a second common sub-wall between and with the gas storage cavity 13; wherein, the first common sub-wall and the second common sub-wall form a first common wall.
  • the first cavity portion and the second cavity portion are integrally formed and communicated; referring to FIG. 4 , the vertical section of the bubble flow cavity 11 is approximately in the shape of a “door”.
  • the liquid storage chamber 14 and the pressure vessel 15 are disposed at the end of the bubble flow cavity 11 away from the bubble flow jetting head 12, so as to be convenient for users to hold with their hands; in a specific embodiment, see FIG. 2 , the liquid storage chamber 14 and the pressure vessel 15 are arranged side by side along the radial direction of the bubble flow chamber 11; in another specific embodiment, referring to FIG. 4, the liquid storage chamber 14 is arranged around the periphery of the pressure vessel 15; , in other embodiments, the pressure vessel 15 can also be arranged around the periphery of the liquid storage chamber 14 .
  • the atomizer 10 further includes a first control element 16 , a second control element 17 , a third control element 18 and a fourth control element 19 .
  • the liquid storage chamber 14 and the bubble flow chamber 11 have a second common wall
  • the gas storage chamber 13 and the pressure vessel 15 have a third common wall
  • the liquid storage chamber 14 and the pressure vessel 15 have a third common wall.
  • Four common walls; the bubble jet head 12 and the bubble flow chamber 11 have a fifth common wall.
  • the first control element 16 can be specifically arranged on the second common wall, and is used to control the communication between the bubble flow cavity 11 and the liquid storage cavity 14; specifically, when the atomizer 10 needs to be used, the first control element The element 16 is opened to communicate the bubble flow chamber 11 and the liquid storage chamber 14 .
  • the second control element 17 can be specifically arranged on the third public wall, and is used to control the communication between the pressure vessel 15 and the gas storage cavity 13;
  • the pressure vessel 15 and the gas storage chamber 13 are communicated with each other, so that the gas in the gas storage chamber 13 is driven by the pressure vessel 15 to flow to the bubble flow chamber 11 through the first communication hole.
  • the third control element 18 is specifically arranged on the fourth common wall for controlling the communication between the pressure vessel 15 and the liquid storage chamber 14; specifically, when the atomizer 10 needs to be used, the first control element 16 and the second control element 16 are turned on. After the control element 17, the third control element 18 is controlled to open to communicate the pressure vessel 15 and the liquid storage chamber 14, so that the aerosol generating substrate in the liquid storage chamber 14 is driven by the pressure vessel 15 to flow toward the bubble flow chamber 11; It can be understood that when the first control element 16 is turned on, it is difficult for the aerosol-generating matrix in the liquid storage chamber 14 to flow to the bubble flow chamber 11 spontaneously, and the pressure vessel 15 needs to be driven to enter the bubble flow chamber 11 smoothly.
  • the fourth control element 19 is specifically arranged on the fifth common wall for controlling the communication between the bubble jet head 12 and the bubble flow cavity 11 . Specifically, when the user needs to pump the aerosol 41 , the fourth control element 19 is controlled to be turned on to connect the bubble jet head 12 and the bubble flow cavity 11 , so that the bubble flow can be sprayed and atomized by the bubble flow jet head 12 .
  • FIG. 5 is a schematic structural diagram of an atomizer provided by another embodiment of the present application; the atomizer 10 may further include a detector 23 and a controller 24 .
  • the detector 23 can be arranged at the port of the end of the bubble jet head 12 away from the bubble flow cavity 11, and is used to detect and send the opening signal of the atomizer 10; specifically, the detector 23 can be a sensor, and the opening signal is specifically It can be a negative pressure signal of the port of the end of the bubble jet head 12 away from the bubble flow cavity 11; for example, when the user sucks, a negative pressure is formed at the corresponding position of the bubble jet head 12, and the sensor senses the negative pressure , and generate a negative pressure signal.
  • the controller 24 is connected to the detector 23 for receiving an opening signal and controlling the fourth control element 19 to open according to the opening signal, so that the bubble jet head 12 communicates with the bubble flow cavity 11 .
  • first control element 16 , the second control element 17 , the third control element 18 and/or the fourth control element 19 are control valves.
  • the above-mentioned pressure vessel 15 can be integrally formed with the bubble flow chamber 11, the gas storage chamber 13 and the liquid storage chamber 14, or can be a separate pressure gas tank, which stores gas with a certain pressure; There is no need to use a pressure pump, which can effectively reduce product noise.
  • the atomizer 10 has an integrally formed housing that forms a bubble flow chamber 11 , a gas storage chamber 13 , a liquid storage chamber 14 and a pressure vessel 15 .
  • the atomizer 10 has an integrally formed outer shell and a plurality of partitions arranged in the outer shell, so as to divide the space in the outer shell into a bubble flow cavity 11 , an air storage cavity 13 , and a liquid storage cavity Cavity 14 and pressure vessel 15.
  • the atomizer 10 may include a heating element 22, and the heating element 22 is disposed at least at one end of the bubble jet head 12 away from the bubble flow cavity 11, The aerosol 41 sprayed from the bubble jet head 12 is heated and further atomized, thereby further reducing the particle size of the aerosol 41 to control the particle size of the aerosol 41 within a certain range.
  • the heating temperature of the heating element 22 may be 60°C-90°C.
  • the atomizer 10 further includes a suction nozzle assembly 21.
  • the suction nozzle assembly 21 can be disposed at one end of the bubble jet head 12 away from the bubble flow cavity 11 and communicated with the bubble flow spray head 12 for use in The aerosol 41 ejected from the bubble jet head 12 is sucked.
  • the suction nozzle assembly 21 may include an air duct, and one end of the air duct is sleeved around the bubble jet head 12 .
  • the heating element 22 is specifically disposed between the bubble jet head 11 and the suction nozzle assembly 21 .
  • one end of the heating element 22 may be in contact with the outer side wall of the bubble flow chamber 11 on the side facing the bubble flow jetting head 12 and disposed around the bubble flow jetting head 12 .
  • the heating element 22 may have a ring-shaped structure, which is specifically disposed around the air duct, so as to continuously heat the aerosol 41 sprayed from the bubble jet head 12 during the process of passing through the air duct.
  • one end of the housing of the atomizer 10 has a groove
  • the air bubble jet head 12 is disposed at the bottom of the groove
  • one end of the air duct of the suction nozzle assembly 21 is disposed in the groove and the bottom wall of the groove Abutting and sleeved around the bubble jet head 12, the heating element 22 is arranged around the air duct of the suction nozzle assembly 21, and abuts the side wall and bottom wall of the groove.
  • the controller 24 When the controller 24 detects the user's activation signal, it controls the first control element 16 and the second control element 17 to be turned on, so that the pressure vessel 15 is communicated with the gas storage chamber 13 , so that the liquid storage chamber 14 can flow the air bubbles into the chamber 11 .
  • the pressure vessel 15 is used to drive the gas in the gas storage chamber 13 into the bubble flow chamber 11; then the third control element 18 is controlled to open, so that the pressure vessel 15 is communicated with the liquid storage chamber 14, and the pressure vessel 15 is used Drive the aerosol-generating matrix in the liquid storage chamber 14 into the bubble flow chamber 11, so that the aerosol-generating matrix and the gas form bubbles 31 at the interface of the first communication hole, and the bubbles 31 flow with the flow of the aerosol-generating matrix A bubbly stream is formed.
  • the controller 24 detects an opening signal (eg, a suction signal) of the atomizer 10 through the detector 23, the controller 24 controls the fourth control element 19 to open, and the air bubble flows toward the air bubble jet head under the action of the pressure difference 12 moves, and is stretched and deformed by the hole wall of the bubble jet head 12, and is broken at the outlet of the bubble jet head 12 to form an aerosol 41; at the same time, the heating element 22 is turned on and the formed aerosol 41 is further processed.
  • the aerosol 41 with smaller particle size is obtained by heating and atomizing; when the detector 23 fails to detect the turn-on signal, the fourth control element 19 is controlled to be turned off, thereby completing the suction process of the aerosol 41 .
  • the atomizer 10 provided in this embodiment adopts a two-phase flow atomization method in which the gas and the aerosol-generating substrate are mixed in the atomizer 10, so that the aerosol-generating substrate is mixed with the gas before being sprayed and atomized to form a bubble flow, so that the The atomization is realized by utilizing the surface tension of the bubble flow, so as to reduce the influence of the viscosity of the aerosol-generating substrate on the atomization process, not only can the atomization amount of the aerosol 41 be effectively increased, but also the various parts of the aerosol-generating substrate can be effectively
  • the components are sprayed evenly; at the same time, by setting the pressure vessel 15 as a pressure gas tank, the atomizer 10 does not need to use a pressure pump, which effectively reduces the noise of the product;
  • the sol 41 is heated, so that the particle size of the finally obtained aerosol 41 can be effectively reduced, so that the particle size of the aerosol 41 can be controlled within a certain range.
  • FIG. 6 is a flowchart of an atomization method for an aerosol-generating matrix provided by an embodiment of the application; in the present embodiment, an atomization method for an aerosol-generating matrix is provided, and the method specifically includes:
  • Step S11 Mix the aerosol-generating substrate with the gas and form a bubble flow.
  • the aerosol-generating substrate and the gas are mixed through the bubble flow chamber 11 to form a bubble flow; in the specific implementation process, the aerosol-generating substrate and the gas are obtained respectively, and the aerosol-generating substrate and the gas are in contact at the interface and form several
  • the air bubbles 31, a plurality of air bubbles 31 form a bubble flow with the flow of the aerosol generating matrix; for details, please refer to the relevant text description of the atomizer 10 in the above-mentioned embodiment, which will not be repeated here.
  • Step S12 jetting a stream of bubbles and forming an aerosol.
  • the bubble flow is sprayed through the bubble flow spray head 12 to form the aerosol 41 .
  • the bubble jet head 12 sprays the bubble flow and forms the aerosol 41; for the specific process, please refer to the relevant text of the above-mentioned embodiment about the atomizer 10 description, which will not be repeated here.
  • FIG. 7 is a flowchart of an atomization method for an aerosol-generating matrix provided by another embodiment of the present application; in order to reduce the particle size of the aerosol 41 and ensure the consistency of the taste, relatively In the method of Figure 6, the method further includes:
  • Step S13 Heating the aerosol.
  • the sprayed aerosol 41 is heated by the heating element 22 to atomize the aerosol 41 to form the aerosol 41 with smaller particle size; specifically, the heating temperature may be 60°C-90°C.
  • the method for atomizing an aerosol-generating substrate provided in this embodiment, by mixing the aerosol-generating substrate with a gas and forming a bubble flow, realizes atomization by utilizing the surface tension of the bubble flow, thereby reducing the amount of the aerosol-generating substrate. While the viscosity has an effect on the atomization process, it can not only effectively increase the atomization amount of the aerosol 41, but also enable the components of the aerosol generation matrix to be uniformly sprayed; at the same time, by heating the formed aerosol 41, The particle size of the aerosol 41 obtained by suction is effectively reduced, so that the particle size of the aerosol 41 can be controlled within a certain range.

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Abstract

L'invention concerne un atomiseur (10), un dispositif d'atomisation électronique et un procédé d'atomisation pour un substrat de génération d'aérosol. L'atomiseur (10) comprend une cavité d'écoulement de bulles (11) et une tête de pulvérisation d'écoulement de bulles (12), la cavité d'écoulement de bulles (11) est utilisée pour mélanger un substrat de génération d'aérosol avec un gaz pour former un écoulement de bulles ; et la tête de pulvérisation d'écoulement de bulles (12) est en communication avec la cavité d'écoulement de bulles (11) et est utilisée pour pulvériser l'écoulement de bulles pour former un aérosol. L'atomiseur (10) peut non seulement augmenter efficacement la quantité d'atomisation de l'aérosol, mais également pulvériser uniformément divers composants du substrat de génération d'aérosol.
PCT/CN2021/075093 2021-02-03 2021-02-03 Atomiseur, dispositif d'atomisation électronique et procédé d'atomisation pour substrat de génération d'aérosol WO2022165674A1 (fr)

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PCT/CN2021/075093 WO2022165674A1 (fr) 2021-02-03 2021-02-03 Atomiseur, dispositif d'atomisation électronique et procédé d'atomisation pour substrat de génération d'aérosol

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PCT/CN2021/075093 WO2022165674A1 (fr) 2021-02-03 2021-02-03 Atomiseur, dispositif d'atomisation électronique et procédé d'atomisation pour substrat de génération d'aérosol

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US5125546A (en) * 1988-11-22 1992-06-30 Dmw (Technology) Limited Flow discharge valve
CN102781791A (zh) * 2009-11-17 2012-11-14 索尔福德大学 喷雾排放组件
CN105873462A (zh) * 2013-10-31 2016-08-17 Rai策略控股有限公司 包含气泡喷射头的气溶胶递送装置和相关方法
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