US20230413906A1 - Atomizer and aerosol generating device with same - Google Patents

Atomizer and aerosol generating device with same Download PDF

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Publication number
US20230413906A1
US20230413906A1 US18/252,801 US202118252801A US2023413906A1 US 20230413906 A1 US20230413906 A1 US 20230413906A1 US 202118252801 A US202118252801 A US 202118252801A US 2023413906 A1 US2023413906 A1 US 2023413906A1
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United States
Prior art keywords
liquid
base
atomizing
liquid storage
storage chamber
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Pending
Application number
US18/252,801
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English (en)
Inventor
Weihua Qiu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Paiteng Electronic Technology Co Ltd
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Changzhou Paiteng Electronic Technology Co Ltd
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Publication date
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Assigned to Changzhou Patent Electronic Technology Co., LTD reassignment Changzhou Patent Electronic Technology Co., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: QIU, WEIHUA
Publication of US20230413906A1 publication Critical patent/US20230413906A1/en
Pending legal-status Critical Current

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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
    • A24F40/10—Devices using liquid 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
    • A24F40/42—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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • the present disclosure relates to an aerosol generating device, in particular to an atomizer and an aerosol generating device.
  • the aerosol generating device usually includes an atomizer and a power supply device electrically connected to the atomizer, the atomizer can heat and atomize the aerosol-forming substrate stored in the atomizer under the electric drive of the power supply device for inhalation by the user.
  • the aerosol-forming substrate in the liquid storage chamber of the atomizer is continuously consumed by the atomizing core (for example, a ceramic core), which causes negative pressure in the liquid storage chamber and leads to poor liquid release. This further leads to insufficient liquid supply to the atomizing core, resulting in bad smell after dry burning, which affects the safe use of the aerosol generating device.
  • the atomizing core for example, a ceramic core
  • the present disclosure provides an atomizer that improves the safety performance of an aerosol generating device.
  • a atomizer includes:
  • a liquid storage member provided on the base, and forming a liquid storage chamber for storing the aerosol-forming substrate
  • the atomizing assembly includes a fixing seat and an atomizing core, an atomizing chamber communicating with the liquid storage chamber and the air inlet is formed in the fixing seat, the atomizing core is provided in the atomizing chamber and atomizes the aerosol-forming substrate provided by the liquid storage chamber, the smoke formed by atomization is output under the drive of the gas introduced by the air inlet;
  • a returning air channel is formed on the fixing seat, the returning air channel is connected between the air inlet and the liquid storage chamber.
  • the fixed seat includes a base and a liquid sealing member, the base is supported on the base and its inner cavity is configured to form the atomization chamber, the outer wall of the base is provided with a return air groove;
  • the liquid sealing member is set outside the base and surrounds the air return groove to form the air return channel.
  • the return air groove is arranged in a labyrinth along the circumference of the outer wall of the base.
  • the top of the base is provided with a smoke outlet hole
  • the outer wall of the base is also configured with a communicating air passage
  • the communicating air passage is connected between the atomization chamber and the smoke outlet hole.
  • the inlet end of the returning air channel is in communication with the lower end of the communicating air passage and the atomizing chamber, the gas outlet end of the returning air channel is in communication with the liquid storage chamber.
  • the liquid sealing member is configured to form the bottom of the liquid storage chamber 130 .
  • the liquid sealing member is a liquid-sealing silica gel which is sleeved outside of the base.
  • the base includes a bottom wall and a side wall formed by extending the outer edge of the bottom wall in the same direction, two bosses protrude from the opposite inner sides of the side wall, the atomizing assembly is supported on two bosses;
  • the atomizer includes a liquid absorbing member, the liquid absorbing member is disposed between the two bosses and below the atomizing assembly.
  • the atomizing assembly includes an atomizing core sealing member; the atomizing core is sleeved in the atomizing core sealing member, both are supported on the two bosses;
  • the liquid sealing member is provided with a first liquid inlet hole, a second liquid inlet hole is defined at the base, a third liquid inlet hole a is defined at the atomizing core sealing member; the first liquid inlet hole, the second liquid inlet hole and the third liquid inlet hole are connected together to form a liquid inlet channel for draining the aerosol-forming substrate in the liquid storage chamber to the atomizing core.
  • An aerosol generating device includes the above-mentioned atomizer.
  • the atomizer of the present disclosure has a returning air channel formed on the fixing seat, after the aerosol-forming matrix in the liquid storage chamber is consumed, the outside air can be replenished through the returning air channel to avoid negative pressure in the liquid storage chamber, so as to balance the air pressure difference in the liquid storage chamber 130 and achieve smooth liquid release. Further, sufficient liquid supply to the atomizing core is ensured, dry burning of the atomizing core is prevented, and the safety performance of the aerosol generating device is improved.
  • FIG. 1 is a schematic structural view of an atomizer in an embodiment of the present disclosure
  • FIG. 2 is a partially exploded schematic diagram of the atomizer shown in FIG. 1 ;
  • FIG. 3 is an exploded view of the atomizer shown in FIG. 1 ;
  • FIG. 4 is a sectional view of the atomizer shown in FIG. 1 ;
  • FIG. 5 is a schematic diagram of the air flow path in the returning air channel of the atomizer shown in FIG. 1 ;
  • FIG. 6 is a schematic diagram of the bottom of the atomizer shown in FIG. 1 ;
  • FIG. 7 is a sectional view of the atomizer shown in FIG. 6 along the B-B direction;
  • FIG. 8 is a cross-sectional view of the atomizer shown in FIG. 6 along the direction A-A
  • aerosol generating device 100 atomizer 10 base 11 bottom wall 110 air inlet 1101 side wall 112 boss 1121 base sealing ring 114 adhesive magnet 12 liquid storage member 13 liquid storage chamber 130 atomizing assembly 15 fixing seat 150 atomizing chamber 150a returning air channel 150b base seat 1501 smoke outlet hole 1501a second liquid inlet hole 1501b liquid sealing member 1503 first liquid inlet hole 1503a returning air groove 1505 Communicating air passage 1507 atomizing core 152 atomizing core sealing member 154 third liquid inlet hole 154a electrode 17 liquid absorbing member 19
  • an embodiment of the present disclosure provides an aerosol generating device
  • the aerosol generating device 100 includes an atomizer 10 and a power supply device (not shown) electrically connected to the atomizer 10 .
  • the power supply device is used to provide electric energy to the atomizer 10 , thereby heating the aerosol-forming substrate stored in the atomizer 10 , and the aerosol-forming substrate is atomized under heating to form smoke for the user to inhale.
  • the atomizer 10 includes a base 11 , a liquid storage member 13 and an atomizing assembly 15 .
  • the base 11 is configured to provide support for the installation of other parts of the atomizer 10
  • the liquid storage member 13 is fitted on the base 11
  • a liquid storage chamber 130 (as shown in FIG. 4 ) for storing the aerosol-forming substrate is formed therein.
  • the atomizing component 15 is provided on the base 11 and is located in the direction of gravity of the aerosol-forming substrate in the liquid storage chamber 130 .
  • the aerosol-forming substrate in the liquid storage chamber 130 flows into the atomizer assembly 15 and can be heated and atomized to form smoke under the power supply device to provide electric energy to the atomizer 10 , and the smoke is inhaled by the user's suction action.
  • the base 11 includes a bottom wall 110 and a side wall 112 formed by extending the outer edge of the bottom wall 110 in the same direction.
  • the inner chamber of the base 11 is formed by being surrounded by the bottom wall 110 and the side wall 112 .
  • the bottom wall 110 is provided with an air inlet 1101 communicating with the outside world, which is used to provide the atomizing component 15 with outside cold air under the suction effect of the user.
  • Two bosses 1121 protrude from the opposite inner sides of the side wall 112 , the atomizing assembly 15 is supported on two bosses 1121 .
  • the atomizer 10 also includes an adsorption magnet 12 , the adsorption magnet 12 is provided on the bottom wall 110 and at least partly exposed on the bottom surface of the bottom wall 110 , so as to realize the detachable cooperation between the atomizer 10 and the power supply device.
  • the base 11 also includes a base sealing ring 114 for sealing the gap between the base 11 and the liquid storage member 13 .
  • the atomizing assembly 15 includes a fixing seat 150 , an atomizing core 152 and an atomizing core sealing member 154 .
  • An atomization chamber 150 a communicating with the liquid storage chamber 130 and the air inlet 1101 is provided in the fixing seat 150 , the atomizing core 152 is sleeved in the atomizing core sealing member 154 , both are supported on the two bosses 1121 and accommodated in the atomizing chamber 150 a.
  • the returning air channel 150 b is connected between the air inlet 1101 and the liquid storage chamber 130 , so that after the aerosol-forming substrate in the liquid storage chamber 130 is consumed, the outside air can be supplemented through the returning air channel 150 b to balance the air pressure difference in the liquid storage chamber 130 , so as to achieve smooth liquid release, thereby ensuring sufficient liquid supply of the atomizing core 152 , preventing the atomizing core 152 from burning dry, and improving the safety performance of the aerosol generating device 100 .
  • the fixing seat 150 includes a base 1501 and a liquid sealing member 1503 .
  • the base 1501 is supported on the base 11 and its inner chamber is configured to form an atomizing chamber 150 a .
  • the two bosses 1121 are in the shape of two steps.
  • the base 1501 is supported on the second step of the two bosses 1121 away from the bottom wall 110 .
  • the atomizing core 152 is sleeved on the atomizing core sealing member 154 , both of them are supported on the first step of the two bosses 1121 adjacent to the bottom wall 110 , and at least partially are sleeved in the base 1501 .
  • the base 1501 has a substantially hollow cylindrical structure and an returning air groove 1505 defined on its outer wall.
  • the liquid sealing member 1503 also has a substantially hollow cylindrical structure, which is sleeved outside of the base 1501 and surrounds the returning air groove 1505 to form the returning air channel 150 b .
  • the liquid sealing member 1503 is a liquid-sealing silica gel, which is set outside the base 1501 and configured to form the bottom of the liquid storage chamber 130 , to prevent the leakage of the aerosol-forming substrate in the liquid storage chamber 130 , and the external air can also be supplemented at the same time, to balance the air pressure difference in the liquid storage chamber 130 , the liquid can be released smoothly.
  • the top of the base 1501 is provided with a smoke outlet hole 1501 a
  • the outer wall of the base 1501 is also configured with a communicating air passage 1507
  • the communicating air passage 1507 is connected between the atomization chamber 150 a and the smoke outlet hole 1501 a , so that the smoke generated by atomization can flow from the atomization chamber 150 a to the smoke outlet hole 1501 a under the suction of the user, for the user to inhale.
  • the inlet end I of the returning air channel 150 b is in communication with the lower end of the communicating air passage 1507 and the atomizing chamber 150 a
  • the gas outlet end O of the returning air channel 150 b is in communication with the liquid storage chamber 130 , in this way, during the inhalation process of the user, the aerosol-forming substrate is atomized under the heating of the atomizing core 152 , part of the condensate generated during the flow of smoke to the user's mouth through the communicating air passage 1507 and the smoke outlet hole 1501 a can flow from the pipe wall of the communicating air passage 1507 to the return air passage 150 b under the action of gravity, and flows through the returning air channel 150 b to be absorbed and stored in the liquid storage chamber 130 , preventing the user from sucking the condensate, reducing the noise generated by the flow of the condensate in the communicating air passage 1507 , and improving user experience.
  • the air return groove 1505 is arranged in a labyrinth along the circumference of the outer wall of the base 1501 , the design of the labyrinth structure can effectively prevent the aerosol-forming substrate in the liquid storage chamber 130 from leaking to the outside through the returning air channel 150 b , thereby improving user experience.
  • the atomizer 10 also includes an electrode 17 , the electrodes 17 are fitted on the bottom wall 110 of the base 11 .
  • the atomizing core sealing member 154 is substantially cylindrical with an opening at the lower end thereof, the heating surface and electrical connection surface of the atomizing core 152 are exposed through the atomizing core sealing member 154 , and the electrical connection surface is electrically connected to the electrode 17 , the electrical connection surface is configured to supply electrical energy to the heating surface, the heating surface is configured to generate the heat required to atomize the aerosol-forming substrate.
  • the atomizing core 152 has a porous ceramic core structure.
  • the top portion of the liquid sealing member 1503 is provided with a first liquid inlet hole 1503 a , a second liquid inlet hole 1501 b is defined at the base 1501 , a third liquid inlet hole 154 a is defined at the atomizing core sealing member 154 .
  • the first liquid inlet hole 1503 a , the second liquid inlet hole 1501 b and the third liquid inlet hole 154 a are connected together to form a liquid inlet channel for draining the aerosol-forming substrate in the liquid storage chamber 130 to the atomizing core 152 .
  • the atomizing core 152 atomizes the aerosol-forming substrate provided by the liquid storage chamber 130 , and the atomized smoke is driven by the gas introduced by the air inlet 1101 and output to the user's mouth for inhalation.
  • the atomizer 10 includes a liquid absorbing member 19 , the liquid absorbing member 19 is disposed between the two bosses 1121 and below the atomizing assembly 15 for absorbing condensate dripped from the atomizing assembly 15 .
  • the atomizer 10 of the present disclosure has a returning air channel 150 b formed on the fixing seat 150 , after the aerosol-forming matrix in the liquid storage chamber 130 is consumed, the outside air can be replenished through the returning air channel 150 b to avoid negative pressure in the liquid storage chamber 130 , so as to balance the air pressure difference in the liquid storage chamber 130 and achieve smooth liquid release. Further, sufficient liquid supply to the atomizing core 152 is ensured, dry burning of the atomizing core 152 is prevented, and the safety performance of the aerosol generating device 100 is improved.
  • the present disclosure also provides an aerosol generating device 100 with the atomizer 10 described above. Since the aerosol generating device 100 has all the functions of the atomizer 10 described above, details will not be repeated here.

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Electrostatic Spraying Apparatus (AREA)
US18/252,801 2020-11-13 2021-08-11 Atomizer and aerosol generating device with same Pending US20230413906A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202022638550.XU CN215603164U (zh) 2020-11-13 2020-11-13 雾化器及气溶胶发生装置
CN202022638550.X 2020-11-13
PCT/CN2021/111993 WO2022100171A1 (fr) 2020-11-13 2021-08-11 Atomiseur et dispositif de génération d'aérosol

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US20230413906A1 true US20230413906A1 (en) 2023-12-28

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US (1) US20230413906A1 (fr)
EP (1) EP4245163A1 (fr)
CN (1) CN215603164U (fr)
WO (1) WO2022100171A1 (fr)

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CN217065382U (zh) * 2021-09-22 2022-07-29 常州市派腾电子技术服务有限公司 雾化器及气溶胶发生装置
CN218681981U (zh) * 2022-10-31 2023-03-24 深圳麦克韦尔科技有限公司 一种雾化器及电子雾化装置

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CN210809302U (zh) * 2019-07-16 2020-06-23 深圳雾芯科技有限公司 一种雾化装置
CN211861815U (zh) * 2019-11-25 2020-11-06 深圳麦克韦尔科技有限公司 雾化器和电子雾化装置
CN211746997U (zh) * 2019-11-25 2020-10-27 深圳麦克韦尔科技有限公司 本体组件和电子雾化装置
CN111657548A (zh) * 2020-05-15 2020-09-15 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器
CN111631437A (zh) * 2020-05-29 2020-09-08 深圳麦克韦尔科技有限公司 雾化器及电子雾化装置

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EP4245163A1 (fr) 2023-09-20
CN215603164U (zh) 2022-01-25

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