EP4151100A1 - Atomiseur et dispositif d'atomisation électronique associé - Google Patents

Atomiseur et dispositif d'atomisation électronique associé Download PDF

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Publication number
EP4151100A1
EP4151100A1 EP20935684.9A EP20935684A EP4151100A1 EP 4151100 A1 EP4151100 A1 EP 4151100A1 EP 20935684 A EP20935684 A EP 20935684A EP 4151100 A1 EP4151100 A1 EP 4151100A1
Authority
EP
European Patent Office
Prior art keywords
liquid
storage tank
vaporization
leaked
air
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20935684.9A
Other languages
German (de)
English (en)
Other versions
EP4151100A4 (fr
Inventor
Guilin LEI
Yajun XIE
Boxue GONG
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.)
Shenzhen Smoore Technology Ltd
Original Assignee
Shenzhen Smoore Technology Ltd
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
Priority claimed from PCT/CN2020/089825 external-priority patent/WO2021226835A1/fr
Priority claimed from PCT/CN2020/114889 external-priority patent/WO2022052063A1/fr
Application filed by Shenzhen Smoore Technology Ltd filed Critical Shenzhen Smoore Technology Ltd
Publication of EP4151100A1 publication Critical patent/EP4151100A1/fr
Publication of EP4151100A4 publication Critical patent/EP4151100A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • This application relates to the field of vaporization device technologies, and in particular, to a vaporizer and an electronic vaporization device thereof.
  • a vaporizer is a device that vaporizes vaporizable liquid such as e-liquid, and is widely applied to fields such as electronic vaporization devices and medical care.
  • condensed liquid left in an air outlet channel in an electronic vaporization device may easily leak to the outside of the electronic vaporization device.
  • an air pressure in a liquid storage tank in the electronic vaporization device is greater than an external air pressure, e-liquid in the liquid storage tank may leak out from a vent channel and further leak to the outside of the electronic vaporization device, affecting the entire experience of the vaporizer.
  • a first technical solution adopted by this application is to provide a vaporizer, including: a liquid storage tank, configured to store liquid; a mounting base, including a vent channel transmitting air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, where the leaked liquid buffer structure is in communication with the vent channel; and a vaporization core, including a porous substrate and a heating element, where the porous substrate is in fluid communication with the liquid storage tank and absorbs liquid from the liquid storage tank through a capillary force; the heating element heats and vaporizes the liquid of the porous substrate; the vaporization core is located between the liquid storage tank and the leaked liquid buffer structure; and the leaked liquid buffer structure abuts against the porous substrate and is configured to reflux liquid leaked from the vent channel to the porous substrate.
  • the mounting base includes an upper base body and a lower base body, the lower base body and the upper base body are fixedly connected to form a vaporization cavity, the vaporization core is accommodated in the vaporization cavity, the vent channel is provided on the upper base body, the leaked liquid buffer structure is provided on the lower base body, and the vent channel is connected to a bottom of the vaporization cavity through the leaked liquid buffer structure and absorbs liquid deposited at the bottom of the vaporization cavity through a capillary force.
  • the vent channel is in communication with the vaporization cavity.
  • the vent channel includes a capillary vent groove provided on an outer wall of the upper base body, one end of the capillary vent groove is connected to the liquid storage tank, one end of the capillary vent groove away from the liquid storage tank is an air inlet, the air inlet is provided on an end portion of the upper base body close to the lower base body, and the air inlet is in communication with the vaporization cavity.
  • a vent communication groove is provided on the lower base body, and the vent communication groove is configured to communicate the vent channel with the vaporization cavity.
  • a first seal member is provided on one end of the upper base body away from the lower base body, a one-way valve matching an end opening of the vent channel is provided on the first seal member, and the one-way valve is configured to block the liquid in the liquid storage tank from leaking to the vent channel; and when the air pressure in the liquid storage tank decreases, air in the vent channel pushes the one-way valve to enter the liquid storage tank, and the liquid in the vent channel refluxes to the liquid storage tank through the vent channel.
  • the upper base body includes a housing and a separating plate provided on the housing, the separating plate includes an air guide hole structure, the air guide hole structure is in communication with the liquid storage tank, a seal member is provided between one side of the separating plate away from the liquid storage tank and the vaporization core, the vent channel is provided between the upper base body and the seal member, the vent channel communicates the liquid storage tank with the vaporization cavity, one end of the vent channel is in communication with the air guide hole structure, and another end of the vent channel is in communication with the vaporization cavity to transmit air to the liquid storage tank, to balance the air pressure in the liquid storage tank.
  • An air guide groove structure is provided on an inner wall of one side of the housing close to the seal member, and the seal member covers the air guide groove structure to form the vent channel.
  • An air guide groove structure is provided on the seal member, and the housing covers the air guide groove structure to form the vent channel.
  • the seal member is configured to prevent liquid leakage of the vent channel.
  • the leaked liquid buffer structure is provided on the lower base body, the porous substrate includes a liquid absorbing surface and a vaporization surface, the liquid absorbing surface is connected to a liquid flowing hole, the heating element is provided on the vaporization surface, and surfaces other than the liquid absorbing surface and the vaporization surface of the porous substrate are in contact with the leaked liquid buffer structure.
  • the leaked liquid buffer structure includes a first capillary groove and a second capillary groove, the second capillary groove is provided at the bottom of the vaporization cavity, one end of the first capillary groove is in contact with the porous substrate, and another end of the first capillary groove extends to the bottom of the vaporization cavity to be in communication with the second capillary groove.
  • the leaked liquid buffer structure includes a capillary hole and a second capillary groove, the second capillary groove is provided at the bottom of the vaporization cavity, one end of the capillary hole is in contact with the porous substrate, and another end of the capillary hole extends to the bottom of the vaporization cavity to be in communication with the second capillary groove.
  • the leaked liquid buffer structure is a porous material and is configured to support the porous substrate.
  • the capillary force of the leaked liquid buffer structure is greater than a capillary force of the vent channel, and when the heating element heats and vaporizes the liquid of the porous substrate, the leaked liquid buffer structure may absorb leaked liquid in the vent channel.
  • the capillary force of the porous substrate is greater than the capillary force of the leaked liquid buffer structure, and when the heating element heats and vaporizes the liquid of the porous substrate, the liquid received by the leaked liquid buffer structure refluxes to the porous substrate and is heated and vaporized.
  • the porous substrate includes an e-liquid transmission portion and a protruding portion integrally formed on one side of the e-liquid transmission portion, and the leaked liquid buffer structure is provided on an edge of the e-liquid transmission portion and provided at intervals with the protruding portion.
  • the porous substrate is made of any one of a porous ceramic or a porous metal.
  • the capillary force of the porous substrate is greater than the capillary force of the leaked liquid buffer structure, and when the heating element heats and vaporizes the liquid of the porous substrate, the liquid received by the leaked liquid buffer structure refluxes to the porous substrate and is heated and vaporized.
  • a second technical solution adopted by this application is to provide an electronic vaporization device, including a power supply component and the vaporizer described above.
  • a third technical solution adopted by this application is to provide an electronic vaporization device, including: a liquid storage tank, configured to store liquid; a mounting base, including a vent channel transmitting air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, where the leaked liquid buffer structure is in communication with the vent channel; a vaporization core, including a porous substrate and a heating element, where the porous substrate is in fluid communication with the liquid storage tank and absorbs liquid from the liquid storage tank through a capillary force; and the heating element heats and vaporizes the liquid of the porous substrate; and a power supply component, configured to supply power to the vaporization core, where the vaporization core is located between the liquid storage tank and the leaked liquid buffer structure; and the leaked liquid buffer structure abuts against the porous substrate and is configured to reflux liquid leaked from the vent channel.
  • the mounting base includes an upper base body and a lower base body, the lower base body and the upper base body are fixedly connected to form a vaporization cavity, the vaporization core is accommodated in the vaporization cavity, the vent channel is provided on the upper base body, the leaked liquid buffer structure is provided on the lower base body, and the vent channel is connected to a bottom of the vaporization cavity and absorbs liquid deposited at the bottom of the vaporization cavity through the capillary force of the leaked liquid buffer structure.
  • the vaporizer includes: a liquid storage tank, configured to store liquid; a mounting base, including a vent channel transmitting air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, where the leaked liquid buffer structure is in communication with the vent channel; and a vaporization core, including a porous substrate and a heating element, where the porous substrate is in fluid communication with the liquid storage tank and absorbs liquid from the liquid storage tank through the capillary force; the heating element heats and vaporizes the liquid of the porous substrate; the vaporization core is located between the liquid storage tank and the leaked liquid buffer structure; and the leaked liquid buffer structure abuts against the porous substrate and is configured to reflux liquid leaked from the vent channel to the porous substrate.
  • the leaked liquid buffer structure can collect the liquid leaked from the vent channel, thereby preventing the leaked liquid from leaking out from the air inlet of the vaporizer.
  • the leaked liquid stored in the leaked liquid buffer structure can reflux to the vaporization core through capillary action, to effectively utilize the leaked liquid, and liquid leakage of the vaporizer can be further prevented by repeating the foregoing process for a plurality of times, thereby improving the user experience.
  • FIG. 1 is a schematic structural diagram of an embodiment of an electronic vaporization device according to this application
  • FIG. 2 is a cross-sectional view of an embodiment of a vaporizer in an electronic vaporization device according to this application
  • FIG. 3 is an enlarged schematic structural diagram of a position A in FIG. 2
  • the electronic vaporization device 100 provided in this embodiment includes a vaporizer 10 and a main unit 20.
  • the vaporizer 10 is detachably connected to the main unit 20.
  • the vaporizer 10 specifically includes a liquid storage tank 4, a mounting base 1, and a vaporization core 2.
  • the main unit 20 includes a shell 201 and a power supply component 202.
  • the power supply component 202 is inserted in a port of an end of the shell 201, and the vaporizer 10 is inserted in a port of another end of the shell 201 and is connected to the power supply component 202 in the shell 201, such that power is supplied to the vaporization core 2 in the vaporizer 10 through the power supply component 202.
  • the vaporizer 10 may be detached from the main unit 20, and a new vaporizer 10 is connected to the main unit 20, to reuse the main unit 20.
  • the provided electronic vaporization device 100 includes a liquid storage tank 4, a mounting base 1, a vaporization core 2, and a power supply component 202.
  • the liquid storage tank 4, the mounting base 1, the vaporization core 2, and the power supply component 202 are integrally provided and are not detachably connected to each other.
  • the electronic vaporization device 100 further includes other components, such as a microphone and a holder, which are included in an existing electronic vaporization device 100.
  • specific structures and functions of the components are similar to those in the related art, and details of the structures and functions may be referred to the related art, which are not described herein again.
  • the vaporizer 10 includes a liquid storage tank 4, a mounting base 1, and a vaporization core 2.
  • the liquid storage tank 4 is configured to store liquid.
  • the vaporization core 2 is configured to vaporize the liquid in the liquid storage tank 4.
  • An airflow channel 13 penetrating an air inlet end and an air outlet end is defined in the mounting base 1, a part of the airflow channel 13 close to the air inlet end is a vaporization cavity 125, and a part of the airflow channel 13 close to the air outlet end is an air outlet channel 131. Vaporized liquid enters the air outlet channel 131 from the vaporization cavity 125.
  • a condensed liquid collecting structure 14 is provided on the mounting base 1, and the condensed liquid collecting structure 14 is provided in the airflow channel 13 and located between a bottom of the vaporization cavity 125 and the air outlet channel 131. The condensed liquid collecting structure 14 is configured to collect liquid condensed and left in the air outlet channel 131.
  • the vaporization core 2 includes a porous substrate 21 and a heating element 22, where the porous substrate 21 is in fluid communication with the liquid storage tank 4 and absorbs liquid from the liquid storage tank 4 through a capillary force; and the heating element 22 heats and vaporizes the liquid of the porous substrate 21.
  • FIG. 4 is a schematic structural diagram of a first embodiment of a mounting base in an electronic vaporization device according to this application
  • FIG. 5 is a schematic structural diagram of a second embodiment of a mounting base in an electronic vaporization device according to this application
  • FIG. 6 is a schematic structural diagram of a third embodiment of a mounting base in an electronic vaporization device according to this application
  • FIG. 7 is a schematic structural diagram of a fourth embodiment of a mounting base in an electronic vaporization device according to this application.
  • a leaked liquid buffer structure 122, a condensed liquid collecting structure 14, and a vent channel 15 are provided on the mounting base 1.
  • the leaked liquid buffer structure 122 is in communication with the condensed liquid collecting structure 14, the leaked liquid buffer structure 122 is in communication with the vent channel 15, and the vent channel 15 is in communication with the liquid storage tank 4. Liquid leaked from the vent channel 15 and liquid leaked from the condensed liquid collecting structure 14 may both reflux, through the leaked liquid buffer structure 122, to the porous substrate 21 in contact with the leaked liquid buffer structure.
  • the mounting base 1 includes a vaporization cavity 125, and the mounting base 1 includes an air inlet end and an air outlet end, where the air inlet end is provided at the bottom of the vaporization cavity 125, and the air outlet end is provided on an end portion of the mounting base 1 away from the air inlet end.
  • the mounting base 1 includes an upper base body 11 and a lower base body 12, and the upper base body 11 is connected to the lower base body 12 through a buckle.
  • An air outlet hole 128 is provided on an end portion of the upper base body 11 away from the lower base body 12, and the air outlet hole 128 serves as the air outlet end of the mounting base 1.
  • An air inlet hole 126 is provided on an end portion of the lower base body 12 away from the upper base body 11, the air inlet hole 126 is provided at the bottom of the vaporization cavity 125, and the air inlet hole 126 serves as the air inlet end of the mounting base 1.
  • a liquid flowing hole 111 is provided on the end portion, which is provided with the air outlet hole 128, of the upper base body 11, and the liquid in the liquid storage tank 4 flows to the vaporization core 2 through the liquid flowing hole 111.
  • the mounting base 1 includes an airflow channel 13 penetrating the air inlet end and the air outlet end and extending from the air inlet end and the air outlet end.
  • a part of the airflow channel 13 close to the air inlet end is the vaporization cavity 125, and a part of the airflow channel close to the air outlet end is an air outlet channel 131.
  • Liquid vaporized by the vaporization core 2 enters the air outlet channel 131 from the vaporization cavity 125, and then enters a mouth of a user through a mouthpiece.
  • the condensed liquid collecting structure 14 is provided on the mounting base 1, and the condensed liquid collecting structure 14 is provided in the airflow channel 13 and located between the bottom of the vaporization cavity 125 and the air outlet channel 131.
  • the condensed liquid collecting structure 14 is configured to collect liquid condensed and left in the air outlet channel 131. That is, the airflow channel 13 may be divided into three parts, where the first part is the vaporization cavity 125 close to the air inlet end, the third part is the air outlet channel 131 close to the air outlet end, and the second part communicates the vaporization cavity 125 with the air outlet channel 131.
  • the condensed liquid collecting structure 14 is provided on the second part. In another embodiment, the condensed liquid collecting structure 14 is provided in the first part and the second part, and the condensed liquid collecting structure 14 is spaced apart from the bottom of the vaporization cavity 125.
  • the air outlet hole 128 is provided on the air outlet end of the mounting base 1, and the air outlet hole 128 extends in a direction away from the upper base body 11 to form an air outlet tube 132 and further form the air outlet channel 131.
  • the condensed liquid collecting structure 14 includes a first liquid collecting portion 141 and a second liquid collecting portion 143, where the first liquid collecting portion 141 is provided on a blocking portion 142; and the second liquid collecting portion 143 is provided on an outer wall of the mounting base 1, and the second liquid collecting portion 143 is in fluid communication with the first liquid collecting portion 141.
  • the air outlet hole 128 is provided on the air outlet end of the mounting base 1, the air outlet end is provided on the upper base body 11, and the air outlet hole 128 extends in the direction away from the upper base body 11 to form the air outlet tube 132 and further form the air outlet channel 131, where the air outlet hole 128 and the air outlet tube 132 are integrally formed.
  • the air outlet tube 132 and the upper base body 11 are independently provided, an end of the air outlet tube 132 is inserted in the air outlet hole 128, and another end of the air outlet tube 132 is exposed to the outside of the upper base body 11.
  • the blocking portion 142 is provided on the mounting base 1. Specifically, the blocking portion 142 is provided on the upper base body 11.
  • the blocking portion 142 is a U-shaped structure, an opening 31 of the blocking portion 142 directly faces the vaporization cavity 125, and a bottom of the blocking portion 142 directly faces the air outlet channel 131.
  • the blocking portion 142 includes a first airflow guide plate 1421, a second airflow guide plate 1422, and a third airflow guide plate 1423.
  • the first airflow guide plate 1421 is provided perpendicular to the air outlet channel 131, the first airflow guide plate 1421 is provided on an end portion of the air outlet channel 131 close to the vaporization cavity 125, and the first airflow guide plate 1421 is spaced apart from the end portion of the air outlet channel 131.
  • the second airflow guide plate 1422 is connected to a side of the first airflow guide plate 1421, and the third airflow guide plate 1423 is connected to another side of the first airflow guide plate 1421.
  • the second airflow guide plate 1422 is provided opposite to the third airflow guide plate 1423 and is provided on a side of the first airflow guide plate 1421 away from the air outlet channel 131, and the second airflow guide plate 1422 and the third airflow guide plate 1423 are exposed through a window 117 provided on the mounting base 1.
  • the first airflow guide plate 1421, the second airflow guide plate 1422, and the third airflow guide plate 1423 are integrally formed.
  • the blocking portion 142 and an inner wall of the upper base body 11 cooperatively define an inner cavity for accommodating the vaporization core 2, and the liquid storage tank 4 is in communication with the inner cavity of the blocking portion 142.
  • the window 117 is provided on a side wall of the upper base body 11.
  • the window 117 is a groove structure with an opening 31 facing toward the lower base body 12, and the window 117 communicates a gap between the air outlet channel 131 and the first airflow guide plate 1421 with the outside of the upper base body 11.
  • the window 117 further exposes opposite surfaces of the second airflow guide plate 1422 and the third airflow guide plate 1423, and the window 117 communicates the vaporization cavity 125 with the outside of the upper base body 11.
  • FIG. 8 is a schematic structural diagram of a first embodiment of an upper base body in an electronic vaporization device according to this application.
  • junctions of the first airflow guide plate 1421 with the second airflow guide plate 1422 and the third airflow guide plate 1423 are inclined surfaces.
  • the junctions of the first airflow guide plate 1421 with the second airflow guide plate 1422 and the third airflow guide plate 1423 are curved surfaces. In this way, it is convenient for the first airflow guide plate 1421 to collect condensed liquid in the air outlet channel 131 and guide the liquid to the second airflow guide plate 1422 and/or the third airflow guide plate 1423.
  • the condensed liquid collecting structure 14 is provided in the airflow channel 13.
  • the condensed liquid collecting structure 14 is provided between the vaporization cavity 125 and the air outlet channel 131, or may be provided between the air outlet channel 131 and the bottom of the vaporization cavity 125.
  • the first airflow guide plate 1421 is a V-shaped structure.
  • the V-shaped structure serves as the first liquid collecting portion 141 and is configured to collect e-liquid condensed and left in the air outlet channel 131, and the e-liquid collected in the V-shaped structure may overflow to the second airflow guide plate 1422 and/or the third airflow guide plate 1423.
  • the first airflow guide plate 1421 is a U-shaped structure.
  • the U-shaped structure serves as the first liquid collecting portion 141 and is configured to collect e-liquid condensed and left in the air outlet channel 131, and the e-liquid collected in the U-shaped structure may overflow to the second airflow guide plate 1422 and/or the third airflow guide plate 1423.
  • a third capillary groove 1431 is provided on the first airflow guide plate 1421.
  • the third capillary groove 1431 serves as the first liquid collecting portion 141, and end portions of the third capillary groove 1431 are in fluid communication with the curved surface or the inclined surface, so that the condensed liquid in the third capillary groove 1431 may overflow to the second airflow guide plate 1422 and/or the third airflow guide plate 1423.
  • the third capillary groove 1431 may extend to the second airflow guide plate 1422 and/or the third airflow guide plate 1423. Specifically, the end portions of the third capillary groove 1431 are in directly fluid communication with the second liquid collecting portion 143.
  • FIG. 9 is a schematic structural diagram of a second embodiment of an upper base body in an electronic vaporization device according to this application.
  • a fourth capillary groove 1432 is provided on the outer wall of the mounting base 1, and the fourth capillary groove 1432 is transversely provided on the outer wall of the mounting base 1. That is, a direction in which the fourth capillary groove 1432 is provided is perpendicular to a flowing direction of the airflow channel 13.
  • the fourth capillary groove 1432 serves as the second liquid collecting portion 143.
  • the fourth capillary groove 1432 is provided on an outer wall of the mounting base 1, and the outer wall is disposed on two sides of the window 117, end portions of the fourth capillary groove 1432 are exposed through the window 117 provided on the mounting base 1, the end portions of the fourth capillary groove 1432 are in fluid communication with the second airflow guide plate 1422 and the third airflow guide plate 1423, and the end portions of the fourth capillary groove 1432 are in direct communication with the end portions of the third capillary groove 1431.
  • a bottom of the fourth capillary groove 1432 flushes with the surface of the second airflow guide plate 1422 or the surface of the third airflow guide plate 1423 exposed through the window 117.
  • the fourth capillary groove 1432 may collect the condensed liquid overflowed from the first liquid collecting portion 141 through a capillary force. That is, when the condensed liquid in the third capillary groove 1431 overflows to the exposed surface of the second airflow guide plate 1422 and/or the third airflow guide plate 1423, and when the condensed liquid overflowed to the second airflow guide plate 1422 and/or the third airflow guide plate 1423 gathers and does not exceed surface tension of the condensed liquid or does not exceed gravity of the condensed, namely, when the condensed liquid does not depart from the third airflow guide plate 1423 or the second airflow guide plate 1422, the end portions of the fourth capillary groove 1432 in communication with the second airflow guide plate 1422 or the third airflow guide plate 1423 absorbs the condensed liquid through the capillary force, to absorb the condensed liquid on the second airflow guide plate 1422 or the third airflow guide plate 1423 to the fourth capillary groove 1432.
  • the condensed liquid may flow, due to the action of gravity, to a cavity formed by the window 117 and a vaporizer shell 209.
  • the end portion of the fourth capillary groove 1432 is exposed through the window 117, namely, the fourth capillary groove 1432 is in communication with the window 117, the end portion of the fourth capillary groove 1432 may absorb, through the capillary force, the condensed liquid in the cavity formed by the window 117 and the vaporizer shell 209, to collect the condensed liquid in the fourth capillary groove 1432.
  • a liquid collecting hole 1435 may be further provided on the outer wall of the mounting base 1.
  • the liquid collecting hole 1435 is provided on the end portion of the fourth capillary groove 1432 away from the window 117, and the liquid collecting hole 1435 may be in communication with end portions of all the fourth capillary grooves 1432 away from the window 117 or may be in communication with ends of some fourth capillary grooves 1432 away from the window 117.
  • the vent channel 15 is in communication with the vaporization cavity 125.
  • An air guide groove structure 151 is provided on the upper base body 11.
  • the air guide groove structure 151 is provided on the outer wall of the upper base body 11, the air guide groove structure 151 is provided in a direction that extends from an end portion close to the lower base body 12 to an end portion provided with the air outlet hole 128 of the upper base body 11, the air guide groove structure is in direct communication with an air guide hole structure 152 on an end surface provided with the air outlet hole 128 of the upper base body 11, and the air inlet hole 126 communicates the air guide groove structure 151 with the liquid storage tank 4.
  • the vent channel 15 includes a capillary vent groove provided on the outer wall of the upper base body 11.
  • the capillary vent groove is the air guide groove structure 151 in this application, an end of the capillary vent groove is connected to the liquid storage tank 4, and an end of the capillary vent groove away from liquid storage tank 4 is an air inlet.
  • the air inlet is provided on the end portion of the upper base body 11 close to the lower base body 12, and the air inlet is in communication with the vaporization cavity 125.
  • the vaporizer shell 209 covers an opening 31 of air guide groove structure 151, such that the vent channel 15 is defined, and the vent channel 15 is configured to transmit external air to the liquid storage tank 4, to balance the air pressure in the liquid storage tank 4 and the vaporization cavity 125.
  • FIG. 10 is a schematic structural diagram of a first embodiment of a lower base body in an electronic vaporization device according to this application.
  • a vent communication groove 159 is provided on the lower base body 12, and the vent communication groove 159 is configured to communicate the vent channel 15 with the vaporization cavity 125.
  • the vent communication groove 159 is provided at corresponding positions of the vent channel 15 and the lower base body 12.
  • a fifth capillary groove 1433 is further provided on the upper base body 11, the condensed liquid collecting structure 14 includes the fifth capillary groove 1433, and the fifth capillary groove 1433 is provided on the outer wall of the upper base body 11.
  • the fifth capillary groove 1433 is provided on two sides of the vent channel 15 and is in communication with the vent channel 15, and the fifth capillary groove 1433 is configured to collect liquid that is leaked from the air guide hole structure 152 to the vent channel 15.
  • a direction in which the plurality of fifth capillary grooves 1433 are provided may be the same as the direction in which the fourth capillary groove 1432 is provided, namely, the direction in which the fifth capillary groove 1433 is provided is perpendicular to a direction in which the vent channel 15 is provided.
  • an end portion of the fifth capillary groove 1433 away from the vent channel 15 is in communication with the end portion of the fourth capillary groove 1432 away from the window 117.
  • an end portion of the fifth capillary groove 1433 away from the vent channel 15 is in communication with the liquid collecting hole 1435.
  • the condensed liquid collecting structure 14 includes a sixth capillary groove 1434.
  • the sixth capillary groove 1434 is provided on an inner wall of the air outlet channel 131, and the sixth capillary groove 1434 is configured to absorb condensed liquid in the air outlet channel 131, to prevent the condensed liquid in the air outlet channel 131 from dripping to the vaporization cavity 125.
  • the liquid in the liquid storage tank 4 When the air pressure in the liquid storage tank 4 increases, the liquid in the liquid storage tank 4 is pressed to overflow to the vent channel 15, and the fifth capillary groove 1433 may lock the liquid in the vent channel 15 through the capillary force.
  • the air pressure in the liquid storage tank 4 decreases, the air pressure in the fifth capillary groove 1433 is greater than the air pressure in the liquid storage tank 4, and the liquid in the fifth capillary groove 1433 refluxes to the liquid storage tank 4 through the vent channel 15.
  • FIG. 11 is a schematic structural diagram of a first seal member in an electronic vaporization device according to this application.
  • An air outlet through hole 162 and a liquid flowing through hole 163 are provided on the first seal member 316.
  • the liquid in the liquid storage tank 4 enters a liquid flowing cavity 116 through the liquid flowing through hole 163, and the air outlet through hole 162 is configured to run through the air outlet tube 132.
  • a one-way valve 161 matching an end opening of the vent channel 15 is provided on the first seal member 316, and the one-way valve 161 is configured to block the liquid in the liquid storage tank 4 from leaking to the vent channel 15; and when the air pressure in the liquid storage tank 4 is less than the external air pressure, air in the vent channel 15 may push the one-way valve 161 to cause the one-way valve 161 to open toward the liquid storage tank 4, so that the air enters the liquid storage tank 4, and the leaked liquid refluxes to the liquid storage tank 4 through the vent channel 15.
  • the mounting base 1 includes a housing 113 and a separating plate 114 provided in the housing 113, the separating plate 114 defines a liquid flowing hole 111, and the liquid flowing hole 111 is connected to the liquid storage tank 4, namely, the liquid flowing hole 111 is in communication with the liquid storage tank 4.
  • the separating plate 114 divides a space in the housing 113 into the liquid flowing cavity 116 and an access cavity 115, the liquid flowing cavity 116 and the access cavity 115 are in communication with each other through the separating plate 114, and the air outlet channel 131 is further provided on same sides of the housing 113 and the liquid flowing cavity 116.
  • the mounting base 1 is embedded in the vaporizer shell 209, a vent tube is connected to the air outlet channel 131, and vapor in the vaporization cavity 125 is guided to the mouth of the user through the airflow channel 13 and the vent tube.
  • the mounting base 1 may alternatively not be embedded in the vaporizer shell 209 provided that the liquid flowing hole 111 is in communication with the liquid storage tank 4.
  • the liquid storage tank 4 is a flexible liquid tank or a liquid storage ball and connected to the separating plate 114, and the liquid storage tank 4 is in communication with the liquid flowing hole 111.
  • the separating plate 114 may be a plate defining the liquid flowing hole 111 at a middle part, or the separating plate 114 is a plate defining a plurality of liquid flowing holes 111 at the middle part, provided that the liquid flowing hole 111 on the separating plate 114 can be in communication with the liquid storage tank 4, which is not limited in this application.
  • the vaporization core 2 is assembled in the access cavity 115 and blocks the liquid flowing cavity 116, the vaporization core 2 is in communication with the liquid flowing cavity 116, and the liquid flowing cavity 116 and the liquid flowing hole 111 guide e-liquid to the vaporization core 2, enabling the vaporization core 2 to vaporize the e-liquid to form vapor.
  • a seal member 3 is provided on a side of the separating plate 114 facing away from the liquid storage tank 4 and located between the separating plate 114 and the vaporization core 2, and the vaporization core 2 abuts against the seal member 3 to prevent the e-liquid from leaking.
  • the seal member 3 defines an opening 31 in communication with the liquid flowing hole 111, so that the opening 31 is in communication with the liquid storage tank 4, and the e-liquid enters the vaporization core 2 through the opening 31.
  • the lower base body 12 is connected to and seals an end of the upper base body 11 facing away from the liquid storage tank 4, and the lower base body 12 abuts against the vaporization core 2, so that the vaporization core 2 abuts against the seal member 3, and a space defined by the upper base body 11, the vaporization core 2, and the lower base body 12 cooperatively serves as the vaporization cavity 125.
  • the vaporization core 2 vaporizes the e-liquid and generates vapor in the vaporization cavity 125, and the vaporization cavity 125 is in communication with the airflow channel 13.
  • an air guide groove structure 151 is provided between the mounting base 1 and the seal member 3, and the air guide groove structure 151 communicates the liquid storage tank 4 with external air. After e-liquid is stored in a liquid storage space, the e-liquid liquid seals the air guide groove structure 151.
  • the air guide groove structure 151 may communicate the vaporization cavity 125 with the liquid storage tank 4, and further communicate the liquid storage tank 4 with the external air through the vaporization cavity 125.
  • the air guide groove structure 151 is provided between the mounting base 1 and the seal member 3, and the air guide groove structure 151 communicates the liquid storage tank 4 with the vaporization cavity 125. Therefore, by adjusting the e-liquid stored in the air guide groove structure 151, the air pressure and hydraulic pressure in the liquid storage tank 4, capillary tension and resistance that the air guide groove structure 151 applies to the e-liquid, and the air pressure may be dynamically balanced, thereby preventing occurrence of non-smooth liquid flowing and liquid leakage of the vaporizer 10 and improving the quality of the vaporizer 10.
  • the air in the vaporization cavity 125 may enter the liquid storage tank 4 through the air guide groove structure 151 to implement ventilation. Therefore, the air pressure in the liquid storage tank 4 increases, thereby preventing occurrence of non-smooth liquid flowing caused by excessively low air pressure in the cavity and improving the quality of the vaporizer 10.
  • the air pressure in the liquid storage tank 4 increases due to heating, the amount of e-liquid entering the air guide groove structure 151 may increase, to further appropriately decrease the air pressure in the liquid storage tank 4, thereby preventing occurrence of liquid leakage and also improving the quality of the vaporizer 10.
  • the air guide groove structure 151 is provided on the seal member 3. Specifically, the air guide groove structure 151 is provided on a side of the seal member 3 facing the separating plate 114 and/or a side of the seal member 3 facing the vaporization core 2, or the air guide groove structure 151 may be provided in the seal member 3.
  • FIG. 12 is a schematic structural diagram of an embodiment of a seal member in an electronic vaporization device according to this application.
  • Six air guide groove structures 151 are provided on the side of the seal member 3 facing the separating plate 114 and/or the side of the seal member 3 facing the vaporization core 2, such that the air pressure in the liquid storage tank 4 may be adjusted conveniently.
  • FIG. 13 is a schematic structural diagram of a first embodiment of a vent channel in an electronic vaporization device according to this application.
  • the air guide groove structure 151 is provided on a side of the separating plate 114 facing away from the liquid storage tank 4, and the air guide groove structure 151 is sealed by the seal member 3, so that only an air guide hole is unblocked and is in communication with the liquid flowing hole 111, and the air inlet hole 126 is unblocked to be in communication with the vaporization cavity 125.
  • the air guide groove structures 151 are all located on the side of the separating plate 114 facing away from the liquid storage tank 4, so that e-liquid in the air guide groove structures 151 has relatively the same hydraulic pressure value.
  • the air guide groove structure 151 may be circuitously provided on the separating plate 114, which may increase a resistance against the leaked e-liquid flowing in the air guide groove structure 151, and extend a leakage path of the e-liquid.
  • the air guide groove structure 151 may be alternatively linearly provided, provided that the air guide groove structure 151 can communicate the liquid flowing hole 111 with air, which is not limited in this application.
  • the plurality of air guide groove structures 151 may perform ventilation at the same time to increase the air pressure in the liquid storage tank 4, and liquid may alternatively enter the plurality of air guide groove structures 151 at the same time to decrease the air pressure in the liquid storage tank 4. Therefore, the air pressure in the liquid storage tank 4 may be adjusted more conveniently by arranging the plurality of air guide groove structures 151, so that the air pressure in the liquid storage tank 4 can be quickly adjusted.
  • a buffer groove 153 is further provided on the side of the separating plate 114 facing away from the liquid storage tank 4.
  • the air guide groove structure 151 flows through the buffer groove 153, a cross-sectional area of the buffer groove 153 in a path direction of the air guide groove structure 151 is greater than a cross-sectional area of the air guide groove structure 151 in the same direction, and the seal member 3 seals the air guide groove structure 151 and the buffer groove 153, to prevent the liquid from leaking from the air guide groove structure 151 and the buffer groove 153.
  • the buffer groove 153 is configured to buffer e-liquid, and the cross-sectional area of the buffer groove 153 in the path direction of the air guide groove structure 151 is greater than the cross-sectional area of the air guide groove structure 151 in the same direction, so that the liquid storage capability of the air guide groove structure 151 can be improved to prevent the e-liquid from leaking from the air guide groove structure 151.
  • a depth of the air guide groove structure 151 should be set to be from 0.1 mm to 0.5 mm, a width of the air guide groove structure 151 in a direction perpendicular to the path direction thereof may be in a range from 0.1 mm to 0.5 mm, a width of the buffer groove 153 is greater than the width of the air guide groove structure 151, and a depth of the buffer groove 153 is greater than or equal to the depth of the air guide groove structure 151.
  • the air inlet hole 126 of one air guide groove structure 151 is adjacent to a vent opening of another air guide groove structure 151
  • the vent opening of the another air guide groove structure 151 is adjacent to the air inlet hole 126 of still another air guide groove structure 151
  • the two air guide groove structures 151 cooperate with each other, surrounding the liquid flowing hole 111
  • the vent openings are in communication with the liquid storage tank 4
  • the air inlet holes 126 are in communication with the air.
  • the air guide groove structure 151 may be long and can store more e-liquid, the air pressure in the liquid storage tank 4 can be also adjusted conveniently, and the vent openings of the two air guide groove structures 151 may be misaligned with each other, so that bubbles generated at vent openings at same positions may not be aggregated, and the e-liquid may flow more easily.
  • the length and the cross-sectional area of the air guide groove structure 151 and the length and the cross-sectional area of the buffer groove 153 may be set according to a specification of the vaporizer 10, facilitating adjustment of the air pressure in the liquid storage tank 4.
  • a vent channel 15 is provided on the separating plate 114 of the upper base body 11, and the vent channel 15 includes an air guide hole structure 152 and an air guide groove structure 151.
  • the air guide hole structure 152 penetrates the separating plate 114, the air guide hole structure 152 is spaced apart from the liquid flowing hole 111, and the air guide hole structure 152 communicates the liquid flowing cavity 116 with the access cavity 115.
  • the air guide groove structure 151 is provided on a side of the separating plate 114 facing away from the liquid flowing cavity 116, an end of the air guide groove structure 151 is in communication with an end of the air guide hole structure 152 facing away from the liquid flowing cavity 116, and another end of the air guide groove structure 151 extends in a direction away from the air guide hole structure 152 and is in communication with the vaporization cavity 125.
  • the another end of the air guide groove structure 151 may be in direct communication with the external air.
  • a cross section of the air guide hole structure 152 may be in at least one shape of a circle, an ellipse, a rectangle, or a semi-circle, or may be in another shape which facilitates ventilation.
  • a silica gel seal ring is provided between the upper base body 11 and the vaporization core 2, the silica gel seal ring abuts against an end of the air guide hole structure 152 connected to the air guide groove structure 151, and a side wall of the silica gel seal ring abuts against the opening 31 of the air guide groove structure 151, so that the air guide hole structure 152 and the air guide groove structure 151 cooperatively define the vent channel 15 between the separating plate 114 and the silica gel seal ring.
  • a size of the vent channel 15 may be the depth of the air guide groove structure 151 and the width of the air guide groove structure 151.
  • FIG. 14 is a schematic structural diagram of a second embodiment of a vent channel in an electronic vaporization device according to this application.
  • the vent channel 15 includes the air guide hole structure 152 and the air guide groove structure 151.
  • the air guide hole structure 152 is provided on the separating plate 114 and is spaced apart from the liquid flowing hole 111. Specifically, there may be one or a plurality of air guide hole structures 152.
  • the air guide hole structure 152 includes a first air guide hole 1521 and a second air guide hole 1522
  • the air guide groove structure 151 includes a first air guide groove 1511 and a second air guide groove 1512.
  • the first air guide hole 1521 and the second air guide hole 1522 are provided on two sides of the liquid flowing hole 111 and are spaced apart from each other, and are symmetrically arranged.
  • the first air guide groove 1511 is in communication with an end of the first air guide hole 1521 facing away from the liquid flowing cavity 116
  • the second air guide groove 1512 is in communication with an end of the second air guide hole 1522 facing away from the liquid flowing cavity 116
  • the first air guide groove 1511 and the second air guide groove 1512 both extend along an inner wall of the access cavity 115 in a direction away from the first air guide hole 1521 and the second air guide hole 1522. Therefore, an end of the first air guide groove 1511 away from the first air guide hole 1521 is in communication with the vaporization cavity 125; and an end of the second air guide groove 1512 away from the second air guide hole 1522 is in communication with the vaporization cavity 125.
  • the first air guide hole 1521 is in communication with the first air guide groove 1511; and the second air guide hole 1522 is in communication with the second air guide groove 1512.
  • An end portion of the first air guide groove 1511 away from the first air guide hole 1521 and an end portion of the second air guide groove 1512 away from the second air guide hole 1522 extend along the inner wall of the access cavity 115 in a direction away from the separating plate 114.
  • the first air guide groove 1511 and the second air guide groove 1512 may be provided symmetrically or asymmetrically, provided that air in the vaporization cavity 125 can enter the liquid storage tank 4 through the first air guide groove 1511 and the second air guide groove 1512 and the first air guide hole 1521 and the second air guide hole 1522 connected thereto.
  • the end portion of the first air guide groove 1511 away from the first air guide hole 1521 and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 pass through the housing 113 and are in direct communication with the external air.
  • the end portion of the first air guide groove 1511 away from the first air guide hole 1521 is in communication with the vaporization cavity 125 and is in communication with the external air through the air inlet hole 126 at the bottom of the vaporization cavity 125, and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 passes through the housing 113 and is in direct communication with the external air.
  • FIG. 15 is a schematic structural diagram of a third embodiment of a vent channel in an electronic vaporization device according to this application.
  • the air guide groove structure 151 further includes a third air guide groove 1513 and a fourth air guide groove 1514.
  • An end of the third air guide groove 1513 is in communication with the first air guide hole 1521, and another end of the third air guide groove 1513 is in communication with the liquid flowing hole 111.
  • An end of the fourth air guide groove 1514 is in communication with the second air guide hole 1522, and another end of the fourth air guide groove 1514 is in communication with the liquid flowing hole 111.
  • the third air guide groove 1513 can guide the air in the first air guide groove 1511 to flow through the liquid flowing hole 111
  • the fourth air guide groove 1514 can guide the air in the second air guide groove 1512 to flow through the liquid flowing hole 111, so that the first air guide hole 1521, the second air guide hole 1522, and the liquid flowing hole 111 perform air transmission at the same time, thereby shortening a duration for balancing the air pressure in the liquid storage tank 4 and the external air pressure.
  • an end of the first air guide groove 1511 is in communication with the vaporization cavity 125, and another end is in communication with the first air guide hole 1521.
  • An end of the third air guide hole is in direct communication with the vaporization cavity 125 or the external air, and another end is in communication with the liquid flowing hole 111.
  • An end of the second air guide groove 1512 is in communication with the vaporization cavity 125, and another end is in communication with the second air guide hole 1522.
  • An end of the first air guide groove 1511 is in direct communication with the vaporization cavity 125 or the external air, and another end is in communication with the liquid flowing hole 111.
  • FIG. 16 is a schematic structural diagram of a fourth embodiment of a vent channel in an electronic vaporization device according to this application.
  • the vent channel 15 includes an air guide hole structure 152 and an air guide groove structure 151 connected to the air guide hole structure 152.
  • the air guide groove structure 151 includes a first air guide groove 1511 and a second air guide groove 1512
  • the air guide hole structure 152 includes a first air guide hole 1521 and a second air guide hole 1522.
  • the first air guide hole 1521 and the second air guide hole 1522 are both provided on the separating plate 114 and are spaced apart from the liquid flowing hole 111.
  • the first air guide hole 1521 and the second air guide hole 1522 are symmetrically provided on two sides of the liquid flowing hole 111.
  • the first air guide groove 1511 and the second air guide groove 1512 are symmetrically provided on two sides of the liquid flowing hole 111, and the first air guide groove 1511 and the second air guide groove 1512 are provided on the side of the separating plate 114 facing away from the liquid flowing cavity 116.
  • the first air guide groove 1511 is in communication with an end of the first air guide hole 1521 facing away from the liquid flowing cavity 116, two ends of the first air guide groove 1511 extend along the inner wall of the access cavity 115 in a direction away from the first air guide hole 1521, and the two ends of the first air guide groove 1511 are both in communication with the vaporization cavity 125.
  • the second air guide groove 1512 is in communication with an end of the second air guide hole 1522 facing away from the liquid flowing cavity 116, two ends of the second air guide groove 1512 extend along the inner wall of the access cavity 115 in a direction away from the second air guide hole 1522, and the two ends of the second air guide groove 1512 are both in communication with the vaporization cavity 125.
  • an end portion of the first air guide groove 1511 away from the first air guide hole 1521 and an end portion of the second air guide groove 1512 away from the second air guide hole 1522 can both pass through the housing 113 and be in direct communication with the external air.
  • At least one of the end portion of the first air guide groove 1511 away from the first air guide hole 1521 and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 can pass through the housing 113 and be in direct communication with the external air, and the end portion, which does not pass through the housing 113, is in communication with the vaporization cavity 125 to be in communication with the external air through the air inlet hole 126 at the bottom of the vaporization cavity 125.
  • FIG. 17 is a schematic structural diagram of a fifth embodiment of a vent channel in an electronic vaporization device according to this application.
  • the air guide groove structure 151 further includes a third air guide groove 1513 and a fourth air guide groove 1514.
  • An end of the third air guide groove 1513 is in communication with the first air guide hole 1521, and another end is in communication with the liquid flowing hole 111.
  • An end of the fourth air guide groove 1514 is in communication with the second air guide hole 1522, and another end is in communication with the liquid flowing hole 111.
  • the third air guide groove 1513 can guide the air in the first air guide groove 1511 to flow through the liquid flowing hole 111
  • the fourth air guide groove 1514 can guide the air in the second air guide groove 1512 to flow through the liquid flowing hole 111, so that the first air guide hole 1521, the second air guide hole 1522, and the liquid flowing hole 111 perform air transmission at the same time, thereby shortening a duration for balancing the air pressure in the liquid storage tank 4 and the external air pressure.
  • an end of the first air guide groove 1511 is in communication with the vaporization cavity 125 or the external air, and another end is in communication with the first air guide hole 1521.
  • An end of the air guide hole structure 152 is in direct communication with the vaporization cavity 125, and another end is in communication with the liquid flowing hole 111.
  • An end of the second air guide groove 1512 is in communication with the vaporization cavity 125, and another end is in communication with the second air guide hole 1522.
  • An end of the fourth air guide groove 1514 is in direct communication with the vaporization cavity 125, and another end is in communication with the liquid flowing hole 111.
  • FIG. 18 is a schematic structural diagram of a sixth embodiment of a vent channel in an electronic vaporization device according to this application.
  • the vent channel 15 includes an air guide hole structure 152 and an air guide groove structure 151 connected to the air guide hole structure 152.
  • the air guide groove structure 151 includes a first air guide groove 1511, a second air guide groove 1512, and a connection groove 158
  • the air guide hole structure 152 includes a first air guide hole 1521 and a second air guide hole 1522.
  • the first air guide hole 1521 and the second air guide hole 1522 are both provided on the separating plate 114 and are spaced apart from the liquid flowing hole 111.
  • the first air guide hole 1521 and the second air guide hole 1522 are symmetrically provided on two sides of the liquid flowing hole 111.
  • the first air guide groove 1511 and the second air guide groove 1512 are provided on the side of the separating plate 114 facing away from the liquid flowing cavity 116.
  • the first air guide groove 1511 is in communication with an end of the first air guide hole 1521 facing away from the liquid flowing cavity 116, two ends of the first air guide groove 1511 extend along the inner wall of the access cavity 115 in a direction away from the first air guide hole 1521, and the two ends of the first air guide groove 1511 are both in communication with the vaporization cavity 125.
  • the second air guide groove 1512 is in communication with an end of the second air guide hole 1522 facing away from the liquid flowing cavity 116, two ends of the second air guide groove 1512 extend along the inner wall of the access cavity 115 in a direction away from the second air guide hole 1522, and the two ends of the second air guide groove 1512 are both in communication with the vaporization cavity 125.
  • the second air guide groove 1512 and the first air guide groove 1511 may be in communication with each other through the connection groove 158.
  • connection groove 158 can direct the air transmitted in the first air guide groove 1511 to the second air guide hole 1522 and can also direct the air transmitted in the second air guide groove 1512 to the first air guide hole 1521, which more facilitates the balance between the air pressure in the liquid storage tank 4 and the external air pressure.
  • an end portion of the first air guide groove 1511 away from the first air guide hole 1521 and an end portion of the second air guide groove 1512 away from the second air guide hole 1522 can both pass through the housing 113 and be in direct communication with the external air.
  • At least one of the end portion of the first air guide groove 1511 away from the first air guide hole 1521 and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 can pass through the housing 113 and be in direct communication with the external air, and the end portion, which does not pass through the housing 113, is in communication with the vaporization cavity 125 to be in communication with the external air through the air inlet hole 126 at the bottom of the vaporization cavity 125.
  • At least one of the end portion of the first air guide groove 1511 away from the first air guide hole 1521 and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 is in communication with the vaporization cavity 125 to be in communication with the external air through the air inlet hole 126 at the bottom of the vaporization cavity 125, and the end portion, which is not in communication with the vaporization cavity 125, can pass through the housing 113 and be in direct communication with the external air.
  • FIG. 19 is a schematic structural diagram of a seventh embodiment of a vent channel in an electronic vaporization device according to this application.
  • the air guide groove structure 151 further includes a third air guide groove 1513 and a fourth air guide groove 1514.
  • An end of the third air guide groove 1513 is in communication with the first air guide hole 1521, and another end is in communication with the liquid flowing hole 111.
  • An end of the fourth air guide groove 1514 is in communication with the second air guide hole 1522, and another end is in communication with the liquid flowing hole 111.
  • the third air guide groove 1513 can guide the air transmitted in the first air guide groove 1511 to flow through the liquid flowing hole 111
  • the fourth air guide groove 1514 can guide the air transmitted in the second air guide groove 1512 to flow through the liquid flowing hole 111, so that the first air guide hole 1521, the second air guide hole 1522, and the liquid flowing hole 111 perform air transmission at the same time, thereby shortening a duration for balancing the air pressure in the liquid storage tank 4 and the external air pressure.
  • an end of the first air guide groove 1511 is in communication with the vaporization cavity 125 or the external air, and another end is in communication with the first air guide hole 1521.
  • An end of the third air guide groove 1513 is in direct communication with the vaporization cavity 125 or the external air, and another end is in communication with the liquid flowing hole 111.
  • An end of the second air guide groove 1512 is in communication with the vaporization cavity 125 or the external air, and another end is in communication with the second air guide hole 1522.
  • An end of the air guide hole structure 152 is in direct communication with the vaporization cavity 125 or the external air, and another end is in communication with the liquid flowing hole 111.
  • FIG. 20 is a schematic structural diagram of an eighth embodiment of a vent channel in an electronic vaporization device according to this application.
  • the vent channel 15 includes an air guide hole structure 152 and an air guide groove structure 151 connected to the air guide hole structure 152.
  • the air guide groove structure 151 includes a first air guide groove 1511 and a second air guide groove 1512
  • the air guide hole structure 152 includes a first air guide hole 1521 and a second air guide hole 1522.
  • the first air guide hole 1521 and the second air guide hole 1522 are both provided on the separating plate 114 and are spaced apart from the liquid flowing hole 111.
  • the first air guide hole 1521 and the second air guide hole 1522 are symmetrically provided on two sides of the liquid flowing hole 111.
  • the first air guide groove 1511 and the second air guide groove 1512 are symmetrically provided on two sides of the liquid flowing hole 111, and the first air guide groove 1511 and the second air guide groove 1512 are provided on the side of the separating plate 114 facing away from the liquid flowing cavity 116.
  • An end of the first air guide groove 1511 is in communication with an end portion of the first air guide hole 1521 facing away from the liquid flowing cavity 116.
  • Another end of the first air guide groove 1511 extends along the separating plate 114 to a position close to the second air guide hole 1522, extends along the inner wall of the access cavity 115, and is in communication with the vaporization cavity 125.
  • An end of the second air guide groove 1512 is in communication with an end portion of the second air guide hole 1522 facing away from the liquid flowing cavity 116.
  • Another end of the second air guide groove 1512 extends along the separating plate 114 to reach a position close to the first air guide hole 1521, extends along the inner wall of the access cavity 115, and is in communication with the vaporization cavity 125 to be further in communication with the external air through the air inlet hole 126 provided at the bottom of the vaporization cavity 125.
  • an end portion of the first air guide groove 1511 away from the first air guide hole 1521 and an end portion of the second air guide groove 1512 away from the second air guide hole 1522 pass through the housing 113 and are in direct communication with the external air.
  • one of the end portion of the first air guide groove 1511 away from the first air guide hole 1521 and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 passes through the housing 113 and is in direct communication with the external air
  • the other one of the end portion of the first air guide groove 1511 away from the first air guide hole 1521 and the end portion of the second air guide groove 1512 away from the second air guide hole 1522 is in communication with the vaporization cavity 125 to be further in communication with the external air through the air inlet hole 126 at the bottom of the vaporization cavity 125.
  • FIG. 21 is a schematic structural diagram of a ninth embodiment of a vent channel in an electronic vaporization device according to this application.
  • the air guide groove structure 151 further includes a third air guide groove 1513 and a fourth air guide groove 1514.
  • An end of the third air guide groove 1513 is in communication with the first air guide hole 1521, and another end is in communication with the liquid flowing hole 111.
  • An end of the fourth air guide groove 1514 is in communication with the second air guide hole 1522, and another end is in communication with the liquid flowing hole 111.
  • the third air guide groove 1513 can guide the air transmitted in the first air guide groove 1511 to flow through the liquid flowing hole 111
  • the fourth air guide groove 1514 can guide the air transmitted in the second air guide groove 1512 to flow through the liquid flowing hole 111, so that the first air guide hole 1521, the second air guide hole 1522, and the liquid flowing hole 111 perform air transmission at the same time, thereby shortening a duration for balancing the air pressure in the liquid storage tank 4 and the external air pressure.
  • an end of the first air guide groove 1511 is in communication with the vaporization cavity 125 or the external air, and another end is in communication with the first air guide hole 1521.
  • An end of the third air guide groove 1513 is in direct communication with the vaporization cavity 125 or the external air, and another end is in communication with the liquid flowing hole 111.
  • An end of the second air guide groove 1512 is in communication with the vaporization cavity 125 or the external air, and another end is in communication with the second air guide hole 1522.
  • An end of the fourth air guide groove 1514 is in direct communication with the vaporization cavity 125 or the external air, and another end is in communication with the liquid flowing hole 111.
  • the liquid in the liquid storage tank 4 flows to the vaporization core 2 through the liquid flowing hole 111. If the air pressure in the liquid storage tank 4 decreases, a speed at which the liquid in the liquid storage tank 4 flows to the vaporization core 2 through the liquid flowing hole 111 is less than a speed at which the vaporization core 2 vaporizes the liquid. Air is guided to the liquid storage tank 4 through the vent channel 15, to balance the air pressure in the liquid storage tank 4 and the external air pressure.
  • a user inhales the electronic vaporization device 100.
  • the vaporization core 2 vaporizes e-liquid, the air pressure in the vaporization cavity 125 is greater than the air pressure in the liquid storage tank 4, the vaporization cavity 125 is in communication with the external air, and the external air enters the vaporization cavity 125 through the air inlet hole 126.
  • the air in the vaporization cavity 125 is pressed into the first air guide groove 1511 and the second air guide groove 1512 due to an air pressure difference, the air in the first air guide groove 1511 enters the liquid storage tank 4 through the first air guide hole 1521, the air in the second air guide groove 1512 enters the liquid storage tank 4 through the second air guide hole 1522, and the air is guided to the liquid storage tank 4 through the first air guide hole 1521 and the second air guide hole 1522.
  • the air pressure in the liquid storage tank 4 and the air pressure in the vaporization cavity 125 are balanced, and the e-liquid in the liquid storage tank 4 further enters the vaporization core 2 through the liquid flowing hole 111, so that the e-liquid in the liquid storage tank 4 can be smoothly transmitted to the vaporization core 2 through the liquid flowing hole 111, thereby avoiding dry burning of the vaporization core 2.
  • a user inhales the electronic vaporization device 100.
  • the vaporization core 2 vaporizes e-liquid, the external air pressure is greater than the air pressure in the liquid storage tank 4, and the external air is pressed into the first air guide groove 1511 and the second air guide groove 1512 due to an air pressure difference.
  • the air in the first air guide groove 1511 enters the liquid storage tank 4 through the first air guide hole 1521
  • the air in the second air guide groove 1512 enters the liquid storage tank 4 through the second air guide hole 1522
  • the air is guided to the liquid storage tank 4 through the first air guide hole 1521 and the second air guide hole 1522.
  • the air pressure in the liquid storage tank 4 and the external air pressure are balanced, and the e-liquid in the liquid storage tank 4 further enters the vaporization core 2 through the liquid flowing hole 111, so that the e-liquid in the liquid storage tank 4 can be smoothly transmitted to the vaporization core 2 through the liquid flowing hole 111, thereby avoiding dry burning of the vaporization core 2.
  • a user inhales the electronic vaporization device 100.
  • the vaporization core 2 vaporizes e-liquid, the air pressure in the vaporization cavity 125 is greater than the air pressure in the liquid storage tank 4, the vaporization cavity 125 is in communication with the external air, the external air enters the vaporization cavity 125 through the air inlet hole 126, the air in the vaporization cavity 125 is pressed into the first air guide groove 1511 and the second air guide groove 1512 due to an air pressure difference, and the air in the first air guide groove 1511 enters the liquid storage tank 4 through the first air guide hole 1521.
  • the third air guide groove 1513 transmits air, which is not transmitted in the first air guide groove 1511, to the liquid storage tank 4 through the liquid flowing hole 111.
  • the fourth air guide groove 1514 transmits air, whichis not transmitted in the second air guide groove 1512, to the liquid storage tank 4 through the liquid flowing hole 111.
  • the air pressure in the liquid storage tank 4 and the air pressure in the vaporization cavity 125 are balanced, and the e-liquid in the liquid storage tank 4 further enters the vaporization core 2 through the liquid flowing hole 111, so that the e-liquid in the liquid storage tank 4 can be smoothly transmitted to the vaporization core 2 through the liquid flowing hole 111, thereby avoiding dry burning of the vaporization core 2.
  • the vaporizer 10 further includes a seal member 3, and the seal member 3 is provided between the mounting base 1 and the vaporization core 2.
  • the seal member 3 may be a seal ring.
  • the porous substrate 21 is made of any one of a porous ceramic or a porous metal.
  • the porous substrate 21 is in communication with the liquid stored in the liquid storage tank 4 and absorbs the liquid from the liquid storage tank 4 through the capillary force; and the heating element 22 is configured to heat and vaporize the liquid of the porous substrate 21.
  • the porous substrate 21 includes an e-liquid transmission portion 211 and a protruding portion 212 integrally formed on a side of the e-liquid transmission portion 211, and the leaked liquid buffer structure 122 is in contact with a periphery of a side surface of the e-liquid transmission portion 211 provided with the protruding portion 212.
  • a surface of the protruding portion 212 away from the e-liquid transmission portion 211 is a vaporization surface 214
  • a surface of the e-liquid transmission portion 211 in contact with the e-liquid is a liquid absorbing surface 213
  • the leaked liquid buffer structure 122 is in contact with an edge of the side surface of the e-liquid transmission portion 211 provided with the protruding portion 212. That is, the leaked liquid buffer structure 122 is provided in contact with the edge of the e-liquid transmission portion 211 and is spaced apart from the protruding portion 212, so that the leaked liquid buffer structure 122 can be prevented from being damaged due to a high temperature of the heating element 22 on the vaporization surface 214.
  • the heating element 22 is provided on the vaporization surface 214.
  • the heating element 22 may be a heating film or may be a heating circuit.
  • the heating element 22 is electrically connected to an electrode, and an end of the electrode passes through a foundation base 121 to be connected to the power supply component 202.
  • the e-liquid transmission portion 211 and the protruding portion 212 are integrally formed, and the e-liquid transmission portion 211 and the protruding portion 212 are both made of porous materials.
  • the materials of the e-liquid transmission portion 211 and the protruding portion 212 may be a porous ceramic or a porous metal, but are not limited to the two materials, provided that the e-liquid in the liquid storage tank 4 can be transmitted to the heating element 22 through the capillary force to be vaporized.
  • the e-liquid transmission portion 211 only covers a part of the leaked liquid buffer structure 122.
  • the capillary force of the porous substrate 21 is greater than the capillary force of the leaked liquid buffer structure 122, and when the heating element 22 heats and vaporizes the liquid of the porous substrate 21, the liquid received by the leaked liquid buffer structure 122 may reflux to the porous substrate 21 and is heated and vaporized.
  • the mounting base 1 includes the vaporization cavity 125, the vaporization core 2 is accommodated in the vaporization cavity 125, and the leaked liquid buffer structure 122 is connected to the bottom of the vaporization cavity 125 and absorbs liquid deposited at the bottom of the vaporization cavity 125 through a capillary force.
  • the mounting base 1 includes the upper base body 11 and the lower base body 12.
  • the lower base body 12 includes the foundation base 121, the liquid flowing hole 111 is provided on the upper base body 11, the e-liquid in the liquid storage tank 4 flows to the porous substrate 21 through the liquid flowing hole 111.
  • the leaked liquid buffer structure 122 is provided on the lower base body 12, the porous substrate 21 includes the liquid absorbing surface 213 and the vaporization surface 214, the liquid absorbing surface 213 is connected to the liquid flowing hole 111, the heating element 22 is provided on the vaporization surface 214, and the porous substrate 21 is in contact with the leaked liquid buffer structure 122.
  • the air pressure in the liquid storage tank 4 decreases, the air pressure in the liquid storage tank 4 is less than the air pressure in the vaporization cavity 125, the air pressure difference between the liquid storage tank 4 and the vaporization cavity 125 enables the liquid in the leaked liquid buffer structure 122 to reflux, due to the capillary force, to the porous substrate 21 in contact with the leaked liquid buffer structure, and the porous substrate 21 enables the liquid to reflux to the liquid storage tank 4.
  • the upper base body 11 and the lower base body 12 are integrally formed.
  • a groove 112 may be provided on the upper base body 11, and a clamp member 124 is provided on an outer side wall of the lower base body 12 and is configured to be clamped to the groove 112 on the upper base body 11, so that the lower base body 12 is fixedly connected to the upper base body 11.
  • a material of the leaked liquid buffer structure 122 is a porous material, and the porous material may be a hard porous material or may be a soft porous material.
  • the leaked liquid buffer structure 122 can be also configured to support the vaporization core 2.
  • the hard porous material is at least one of a porous ceramic or a porous metal, or may be another material with a supporting capability and a liquid absorbing capability.
  • FIG. 22 is a schematic structural diagram of a first embodiment of a leaked liquid buffer structure according to this application.
  • the leaked liquid buffer structure 122 includes two leaked liquid buffer sub-members 1221 that are spaced apart from each other.
  • a material of the leaked liquid buffer sub-member 1221 is a hard porous material, for example, may be a material such as a porous ceramic or a porous metal with the supporting capability and the liquid absorbing capability, so that the leaked liquid buffer sub-member can be served as a support member 127 supporting the vaporization core 2. It may be understood that, if the vaporization core 2 is fixed through another component, the leaked liquid buffer sub-member 1221 may not be configured to support the vaporization core 2.
  • the leaked liquid buffer sub-member 1221 can collect e-liquid leaked from the porous substrate 21.
  • the e-liquid stored in the leaked liquid buffer sub-member 1221 can reflux to the porous substrate 21 in contact with the leaked liquid buffer sub-member, such that the leaked e-liquid can be further utilized effectively, and cyclic collection and reflux of the e-liquid for a plurality of times may be achieved through the leaked liquid buffer structure 122.
  • the liquid absorbing capability of the porous material forming the leaked liquid buffer structure 122 is less than the liquid absorbing capability of the porous material forming the e-liquid transmission portion 211.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the leaked liquid buffer sub-structure 122, and liquid collected in the condensed liquid collecting structure 14 refluxes to the porous substrate 21 in contact with the leaked liquid buffer structure through the leaked liquid buffer structure 122.
  • FIG. 23 is a schematic structural diagram of a second embodiment of a leaked liquid buffer structure according to this application.
  • the leaked liquid buffer structure 122 is U-shaped and the material thereof is the hard porous material.
  • the leaked liquid buffer structure 122 includes the leaked liquid buffer sub-member 1221 and a connecting portion 1222 connected to an end portion of the leaked liquid buffer sub-member 1221 away from the porous substrate 21.
  • Materials of the leaked liquid buffer sub-member 1221 and the connecting portion 1222 are porous materials, for example, may be materials such as a porous ceramic or a porous metal with the supporting capability and the liquid absorbing capability.
  • a duct matching the air inlet hole 126 provided on the foundation base 121 is provided on the connecting portion 1222.
  • the connecting portion 1222 is configured to absorb condensed e-liquid that is condensed from the vaporized e-liquid in the vaporization cavity 125, which is defined cooperatively by the leaked liquid buffer structure 122 and the vaporization core 2, to prevent the condensed e-liquid from leaking out through the air inlet hole 126.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the leaked liquid buffer sub-member 1221 and/or the connecting portion, and the liquid collected in the condensed liquid collecting structure 14 refluxes to the porous substrate 21 in contact with the leaked liquid buffer structure through the leaked liquid buffer structure 122.
  • FIG. 24 is a schematic structural diagram of a third embodiment of a leaked liquid buffer structure according to this application.
  • a body 123 is provided on the lower base body 12, the body 123 includes a first sub-body 1231 and a second sub-body 1232, and the first sub-body 1231 and the second sub-body 1232 are spaced apart from each other and arranged symmetrically.
  • the first sub-body 1231 and the second sub-body 1232 may be parallel to each other and are provided perpendicular to the foundation base 121.
  • the first sub-body 1231 and the second sub-body 1232 may be provided on the foundation base 121 obliquely and symmetrically.
  • a distance between an end of the first sub-body 1231 away from the foundation base 121and an end of the second sub-body 1232 away from the foundation base 121 is greater than a distance between an end of the first sub-body 1231 connected to the foundation base 121 and an end of the second sub-body 1232 connected to the foundation base 121.
  • Materials of the first sub-body 1231 and the second sub-body 1232 are dense ceramics, dense metals, or glass materials, or may be other materials with a supporting capability and without a liquid absorbing capability.
  • the leaked liquid buffer structure 122 is provided on end portions of the first sub-body 1231 and the second sub-body 1232 that are away from the foundation base 121, and the end portions of the first sub-body 1231 and the second sub-body 1232 that are away from the foundation base 121 are connected to the e-liquid transmission portion 211 through the leaked liquid buffer structure 122.
  • the leaked liquid buffer structure 122 may be made of a porous material with a supporting capability and a liquid absorbing capability.
  • the material of the leaked liquid buffer structure 122 may be a material such as a porous ceramic or a porous metal with a supporting capability and a liquid absorbing capability.
  • the leaked liquid buffer structure 122 can collect e-liquid leaked from the e-liquid transmission portion 211 in the leaked liquid buffer structure 122, and can enable the e-liquid stored in the leaked liquid buffer structure 122 to reflux to the e-liquid transmission portion 211 in contact with the leaked liquid buffer structure 122, such that the stored e-liquid may be utilized effectively, thereby achieving cyclic collection and reflux of the e-liquid for a plurality of times.
  • the material of the leaked liquid buffer structure 122 may be alternatively a material such as cotton, fiber, or liquid absorbing resin with a liquid absorbing capability and without a supporting capability.
  • the liquid absorbing capability of the porous material forming the leaked liquid buffer structure 122 is less than the liquid absorbing capability of the porous material forming the e-liquid transmission portion 211.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the leaked liquid buffer structure 122, and the liquid collected in the condensed liquid collecting structure 14 refluxes to the porous substrate 21 in contact with the leaked liquid buffer structure through the leaked liquid buffer structure 122.
  • the material of the leaked liquid buffer structure 122 is a soft porous material, the leaked liquid buffer structure 122 is supported by the support portion 127, so that one end of the leaked liquid buffer structure 122 is in contact with the porous substrate 21, and another end extends to the bottom of the vaporization cavity 125.
  • the soft porous material is at least one of cotton, fiber, or resin, or may be another material with a liquid absorbing capability and without a supporting capability.
  • FIG. 25 is a schematic structural diagram of a fourth embodiment of a leaked liquid buffer structure according to this application; and FIG. 26 is a top view of the leaked liquid buffer structure provided in FIG. 25 .
  • the material of the leaked liquid buffer structure 122 is a soft porous material.
  • the anti-leakage liquid absorbing member 1227 is supported by the support portion 127, so that an end of the leaked liquid buffer structure 122 is in contact with the porous substrate 21, and another end extends to the bottom of the vaporization cavity 125.
  • the support portion 127 includes a first support sub-member 1271 and a second support sub-member 1272.
  • An airflow guide channel 1233 is provided on the first support sub-member 1271 and the second support sub-member 1272, the leaked liquid buffer structure 122 is provided in the airflow guide channel 1233, an end of the leaked liquid buffer structure 122 is in contact with the e-liquid transmission portion 211 in the porous substrate 21, and another end extends to the foundation base 121 of the lower base body 12.
  • the airflow guide channel 1233 may be a groove structure, and a size of a groove of the airflow guide channel 1233 is greater than a size of a first capillary groove 1223.
  • An opening 31 of an end of the airflow guide channel 1233 is provided on an inner side wall of each of the first support sub-member 1271 and the second support sub-member 1272, and an opening 31 of another end is located on an end surface of the first support sub-member 1271 and the second support sub-member 1272 away from the foundation base 121, and the leaked liquid buffer structure 122 filled in the airflow guide channel 1233 is in contact with the e-liquid transmission portion 211.
  • a size of a cross section of a groove provided on surfaces of the first support sub-member 1271 and the second support sub-member 1272 away from the foundation base 121 is not less than a contact size between the e-liquid transmission portion 211 and the first support sub-member 1271 and the second support sub-member 1272.
  • a width of an opening 31 of the airflow guide channel 1233 on the end surfaces of the first support sub-member 1271 and the second support sub-member 1272 in a connecting line direction of the first support sub-member 1271 and the second support sub-member 1272 is not less than a contact width between the first support sub-member 1271 and the second support sub-member 1272 and the e-liquid transmission portion 211 in the connecting line direction of the first support sub-member 1271 and the second support sub-member 1272.
  • the leaked liquid buffer structure 122 is provided in the airflow guide channel 1233 and extends from an end portion of the airflow guide channel 1233.
  • An end of the leaked liquid buffer structure 122 is connected to the e-liquid transmission portion 211, and another end extends between the first support sub-member 1271 and the second support sub-member 1272, or may extend to a surface of the foundation base 121, such that the condensed liquid of the vaporized e-liquid may be collected, thereby preventing the vaporized e-liquid from leaking out from the air inlet hole 126 provided on the foundation base 121 after being condensed and preventing affecting the user experience.
  • the leaked liquid buffer structure 122 may further enable the collected e-liquid to reflux, due to the capillary force, to the e-liquid transmission portion 211 in contact with the leaked liquid buffer structure, such that the leaked liquid may be utilized effectively, and the leaked liquid buffer structure 122 allows the cyclic collection and reflux of the e-liquid for a plurality of times to be achieved.
  • the liquid absorbing capability of the leaked liquid buffer structure 122 is less than the liquid absorbing capability of the e-liquid transmission portion 211.
  • the liquid absorbing capability of the porous material forming the leaked liquid buffer structure 122 is less than the liquid absorbing capability of the porous material forming the e-liquid transmission portion 211.
  • the leaked liquid buffer structure 122 may be made of a liquid absorbing material such as cotton, fiber, or liquid absorbing resin.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the leaked liquid buffer structure 122, and the liquid collected in the condensed liquid collecting structure 14 refluxes to the porous substrate 21 in contact with the leaked liquid buffer structure through the leaked liquid buffer structure 122.
  • a size of each bubble in the e-liquid in the liquid storage tank 4 may expand to increase the air pressure in the liquid storage tank 4, and the e-liquid in the vaporization core 2 further leaks from the vaporization core 2 through the end portions of the e-liquid transmission portion 211.
  • the e-liquid leaked from the e-liquid transmission portion 211 can flow to the leaked liquid buffer structure 122 connected to the e-liquid transmission portion 211, the leaked liquid buffer structure 122 is configured to collect the leaked e-liquid, and the e-liquid can penetrate in an extending direction of the leaked liquid buffer structure 122, such that the e-liquid may be prevented from leaking out from the air inlet hole 126.
  • the vaporized e-liquid in the vaporization cavity 125 may form e-liquid through cooling and flows to the foundation base 121, and the e-liquid is collected through the leaked liquid buffer structure 122 extending to the surface of the foundation base 121. Meanwhile, the size of each bubble in the e-liquid in the liquid storage tank 4 may shrink to decrease the air pressure in the liquid storage tank 4.
  • the e-liquid collected and stored in the leaked liquid buffer structure 122 flows, along the leaked liquid buffer structure 122, to the e-liquid transmission portion 211 connected to the leaked liquid buffer structure 122 in a direction approaching the e-liquid transmission portion 211 through capillary action, to effectively utilize the collected e-liquid.
  • FIG. 27 is a schematic structural diagram of a fifth embodiment of a leaked liquid buffer structure according to this application.
  • the leaked liquid buffer structure 122 includes a body 123 and a first capillary groove 1223 provided on the body 123.
  • the first capillary groove 1223 may be provided on any side surface of the body 123, and an opening 31 may face toward any direction, provided that leaked liquid can be absorbed and stored.
  • the opening 31 of the first capillary groove 1223 faces toward the vaporization cavity 125.
  • the body 123 is provided on a surface of the foundation base 121 close to the upper base body 11 and is fixedly connected to the foundation base 121, and the body 123 may be provided perpendicular to the surface of the foundation base 121 and integrally formed with the foundation base.
  • An end of the body 123 away from the foundation base 121 is in contact with the e-liquid transmission portion 211, so that the first capillary groove 1223 extends on the body 123 in a direction away from the bottom of the vaporization cavity 125 or the foundation base 121 and is in contact with the e-liquid transmission portion 211, and another end of the body extends in a direction approaching the bottom of the vaporization cavity 125 or the foundation base 121.
  • the first capillary groove 1223 is configured to store leaked liquid leaked from the e-liquid transmission portion 211 and enables the leaked liquid to reflux to the liquid storage tank 4, to further prevent liquid leakage and allow the stored leaked liquid to be utilized effectively.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the first capillary groove 1223, liquid leaked from the condensed liquid collecting structure 14 and the vent channel 15 is collected by the leaked liquid buffer structure 122, and the leaked liquid buffer structure 122 allows the leaked liquid to reflux to the porous substrate 21 in contact with the leaked liquid buffer structure.
  • a plurality of first capillary grooves 1223 are provided on a surface of a side wall of each of the first sub-body 1231 and the second sub-body 1232 close to the vaporization cavity 125, and the plurality of first capillary grooves 1223 provided side by side form the leaked liquid buffer structure 122.
  • a cross section of the first capillary groove 1223 may be in a shape of U, or may be in a shape of V, a semi-circle, a semi-ellipse, or in a shape of U but having three straight edges.
  • the shape of the cross section is not limited herein, provided that the shape can facilitate liquid guiding and collection.
  • a size of the first capillary groove 1223 is not less than a contact size between the first capillary groove 1223 and the vaporization core 2.
  • the size refers to a size in a width direction of the first sub-body 1231 and the second sub-body 1232.
  • the bottom of the vaporization cavity 125 is a surface of the foundation base 121 connected to the leaked liquid buffer structure 122.
  • a second capillary groove 1224 is provided on the surface of the foundation base 121 connected to the leaked liquid buffer structure 122.
  • the second capillary groove 1224 is provided on the surface of the foundation base 121 between the first sub-body 1231 and the second sub-body 1232 and is in communication with the first capillary groove 1223.
  • the first capillary groove 1223 and the second capillary groove 1224 form an L-shaped capillary groove.
  • a shape of a cross section of the second capillary groove 1224 may be the same as or different from the shape of the cross section of the first capillary groove 1223.
  • first capillary groove 1224 There may be one second capillary groove 1224, namely, one second capillary groove 1224 is in communication with all first capillary grooves 1223 on the first sub-body 1231 or the second sub-body 1232.
  • the number of the second capillary grooves 1224 may be the same as the number of the first capillary grooves 1223, namely, one first capillary groove 1223 is in communication with one corresponding second capillary groove 1224.
  • the first capillary groove 1223 can allow e-liquid leaked from end portions of the e-liquid transmission portion 211 to flow to the second capillary groove 1224 in an extending direction of the first capillary groove 1223, to store the leaked e-liquid and prevent the e-liquid from leaking out from the air inlet hole 126 provided on the foundation base 121.
  • the second capillary groove 1224 may further collect condensed liquid after vaporized e-liquid is cooled, to prevent the vaporized e-liquid from leaking out from the air inlet hole 126 provided on the foundation base 121 after being condensed and affecting the user experience.
  • the first capillary groove 1223 may further allow the collected e-liquid to reflux, due to the capillary force, to the e-liquid transmission portion 211 in contact with the first capillary groove, to effectively utilize the collected leaked liquid.
  • the liquid absorbing capabilities of the first capillary groove 1223 and the second capillary groove 1224 are less than the liquid absorbing capability of the e-liquid transmission portion 211. Specifically, the liquid absorbing capabilities of the first capillary groove 1223 and the second capillary groove 1224 are less than the liquid absorbing capability of the porous material forming the e-liquid transmission portion 211.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the first capillary groove 1223 and/or the second capillary groove 1224, liquid leaked from the condensed liquid collecting structure 14 and the vent channel 15 is collected by the second capillary groove 1224, the second capillary groove 1224 refluxes the liquid to the first capillary groove 1223, and the first capillary groove then refluxes the liquid to the porous substrate 21 in contact with the first capillary groove 1223.
  • the leaked liquid buffer structure 122 is further configured to support the vaporization core 2.
  • the first sub-body 1231 and the second sub-body 1232 provided with the first capillary groove 1223 are further configured to support the vaporization core 2.
  • An end of the first sub-body 1231 away from the foundation base 121 and an end of the second sub-body 1232 away from the foundation base 121 are configured to support the vaporization core 2.
  • the e-liquid transmission portion 211 covers the end of the first sub-body 1231 away from the foundation base 121 and the end of the second sub-body 1232 away from the foundation base 121, and the protruding portion 212 provided on a side of the e-liquid transmission portion 211 is provided between the first sub-body 1231 and the second sub-body 1232.
  • FIG. 28 is a schematic phenomenon diagram of a vaporizer in a heating process according to this application.
  • a size of each bubble in the e-liquid in the liquid storage tank 4 may expand to increase the air pressure in the liquid storage tank 4, and the e-liquid in the vaporization core 2 further leaks from the vaporization core 2 through the end portions of the e-liquid transmission portion 211.
  • FIG. 29 is a schematic phenomenon diagram of a vaporizer in a cooling process according to this application.
  • the vaporized e-liquid in the vaporization cavity 125 which is cooperatively defined by the first sub-body 1231, the second sub-body 1232, the foundation base 121, and the vaporization core 2, may be cooled to form e-liquid and then flows to the foundation base 121, and the e-liquid is collected by the second capillary groove 1224. Meanwhile, the size of each bubble in the e-liquid in the liquid storage tank 4 may shrink to decrease the air pressure in the liquid storage tank 4.
  • the e-liquid collected and stored in the first capillary groove 1223 and the second capillary groove 1224 flows, along the first capillary groove 1223 and due to the capillary force, to the e-liquid transmission portion 211 connected to the first capillary groove 1223 in a direction away from the second capillary groove 1224.
  • the liquid absorbing capability of the e-liquid transmission portion 211 is greater than the liquid absorbing capabilities of the first capillary groove 1223 and the second capillary groove 1224, so that the e-liquid transmission portion 211 can absorb the e-liquid and the collected e-liquid may be utilized effectively.
  • FIG. 30 is a schematic structural diagram of a sixth embodiment of a leaked liquid buffer structure according to this application; and FIG. 31 is a schematic structural diagram of a second embodiment of a lower base body in an electronic vaporization device according to this application.
  • the leaked liquid buffer structure 122 includes a body 123 and a capillary hole 1225 provided on the body 123. A plurality of capillary holes 1225 are provided on the first sub-body 1231 and the second sub-body 1232.
  • a cross section of the capillary hole 1225 may be in a shape of a rectangle, or may be in a shape of a triangle, a circle, a semi-circle, or a semi-ellipse.
  • the shape of the cross section is not limited herein, provided that the shape can facilitate liquid guiding and collection.
  • a distribution width of the capillary hole 1225 on an end surface of each of the first sub-body 1231 and the second sub-body 1232 in contact with the porous substrate 21 is not less than a contact width between the first sub-body 1231 and the second sub-body 1232 and the porous substrate 21.
  • the width is a width in a connecting line direction of the first sub-body 1231 and the second sub-body 1232.
  • a second capillary groove 1224 is provided on a surface of the foundation base 121 connected to the body 123.
  • the second capillary groove 1224 is provided on a surface of the foundation base 121 between the first sub-body 1231 and the second sub-body 1232 and is in communication with the capillary hole 1225.
  • a cross section of the second capillary groove 1224 may be in a shape of U, or may be in a shape of V, a semi-circle, a semi-ellipse, or in a shape of U but having three straight edges.
  • the shape of the cross section is not limited herein, provided that the shape can facilitate collection.
  • the number of the second capillary grooves 1224 may be the same as the number of the capillary holes 1225, namely, one capillary hole 1225 is in communication with one corresponding second capillary groove 1224.
  • the leaked e-liquid can flow to the second capillary groove 1224 along the capillary hole 1225, such that the leaked e-liquid may be stored and prevented from leaking out from the air inlet hole 126 provided on the foundation base 121.
  • the second capillary groove 1224 may further collect condensed liquid after vaporized e-liquid is cooled, to prevent the vaporized e-liquid from leaking out from the air inlet hole 126 provided on the foundation base 121 after being condensed and affecting the user experience.
  • the capillary hole 1225 may further allow the collected e-liquid to reflux, due to the capillary force, to the e-liquid transmission portion 211 in contact with the capillary hole, such that the collected leaked liquid may be utilized effectively and prolong a service life of the second capillary groove 1224.
  • the liquid absorbing capabilities of the capillary hole 1225 and the second capillary groove 1224 are less than the liquid absorbing capability of the e-liquid transmission portion 211. Specifically, the liquid absorbing capabilities of the capillary hole 1225 and the second capillary groove 1224 are less than the liquid absorbing capability of the porous material forming the e-liquid transmission portion 211.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the capillary hole 1225 and/or the second capillary groove 1224, liquid leaked from the condensed liquid collecting structure 14 and the vent channel 15 is collected by the second capillary groove 1224, the second capillary groove 1224 refluxes the liquid to the capillary hole 1225, and the capillary hole then allows the liquid to reflux to the porous substrate 21 in contact with the capillary hole 1225.
  • a size of each bubble in the e-liquid in the liquid storage tank 4 may expand to increase the air pressure in the liquid storage tank 4, and the e-liquid in the vaporization core 2 further leaks from the vaporization core 2 through the end portions of the e-liquid transmission portion 211.
  • the e-liquid leaked from the e-liquid transmission portion 211 can flow to the capillary hole 1225 connected to the e-liquid transmission portion 211, the leaked e-liquid is collected by the capillary hole 1225, the e-liquid can flow to the second capillary groove 1224 along the capillary hole 1225 provided on the first sub-body 1231 and the second sub-body 1232, and the leaked e-liquid is collected by the capillary hole 1225 and the second capillary groove 1224, to prevent the leaked e-liquid from leaking out from the air inlet hole 126.
  • the vaporized e-liquid in the vaporization cavity 125 may form e-liquid through cooling and flows to the foundation base 121, and the e-liquid is collected through the second capillary groove 1224. Meanwhile, the size of each bubble in the e-liquid in the liquid storage tank 4 may shrink to decrease the air pressure in the liquid storage tank 4. Since there is an air pressure difference between the inside and the outside of the liquid storage tank 4, the e-liquid collected and stored in the capillary hole 1225 and the second capillary groove 1224 flows, along the capillary hole 1225, to the e-liquid transmission portion 211 connected to the capillary hole 1225 in a direction away from the second capillary groove 1224 through capillary action.
  • the liquid absorbing capability of the e-liquid transmission portion 211 is greater than the liquid absorbing capabilities of the capillary hole 1225 and the second capillary groove 1224, so that the e-liquid transmission portion 211 can absorb the e-liquid and effectively utilize the collected e-liquid.
  • the leaked liquid buffer structure 122 includes a first capillary groove 1223 and a soft porous material.
  • the soft porous material is filled in the first capillary groove 1223, and the liquid absorbing capabilities of the first capillary groove 1223 and the soft porous material are less than the liquid absorbing capability of the porous substrate 21.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the soft porous material and/or the first capillary groove 1223, liquid leaked from the condensed liquid collecting structure 14 and the vent channel 15 is collected by the first capillary groove 1223 and/or the porous material, and the liquid then refluxes to the porous substrate 21 in contact with the first capillary groove 1223 and/or the soft porous material.
  • the leaked liquid buffer structure 122 includes a capillary hole 1225 and a soft porous material.
  • the soft porous material is filled in the capillary hole 1225, and the liquid absorbing capabilities of the capillary hole 1225 and the soft porous material are less than the liquid absorbing capability of the porous substrate 21.
  • the condensed liquid collecting structure 14 and the vent channel 15 are in communication with the soft porous material and/or the capillary hole 1225, liquid leaked from the condensed liquid collecting structure 14 and the vent channel 15 is collected by the capillary hole 1225 and/or the soft porous material, and the liquid then refluxes to the porous substrate 21 in contact with the capillary hole 1225 and/or the soft porous material.
  • FIG. 32 is a schematic structural diagram of a third embodiment of a lower base body in an electronic vaporization device according to this application;
  • FIG. 33 is a schematic structural diagram of an embodiment of an end cap in an electronic vaporization device according to this application;
  • FIG. 34 is a schematic structural diagram of another embodiment of an end cap in an electronic vaporization device according to this application;
  • FIG. 35 is a schematic diagram of an assembly structure of an end cap with a vaporizer and a power supply component in an electronic vaporization device according to this application.
  • An end cap 30 is provided on an end of the vaporizer 10 configured to connect to the power supply component 202.
  • the end cap 30 includes a bottom wall 301 and a cylindrical side wall 302 connected to the bottom wall 301, and a fixing portion connected to the vaporizer 10 is provided on the cylindrical side wall 302.
  • a fixing groove 303 connected to the vaporizer 10 and running through the cylindrical side wall 302 is provided on the cylindrical side wall 302.
  • the fixing groove 303 extends from an inner wall surface of the cylindrical side wall 302 to an outer wall surface of the cylindrical side wall 302.
  • the end cap 30 and a bottom of the vaporizer 10 are fixedly connected with each other in an interference fit manner.
  • a first air inlet hole 304 is provided on the bottom wall 301, and the first air inlet hole 304 runs through the bottom wall 301.
  • a first connecting portion 405 is provided between the bottom wall 301 and the cylindrical side wall 302, a second air inlet hole 305 is provided on the first connecting portion 405, the second air inlet hole 305 communicates an inner cavity and the outside of the end cap 30, and the first air inlet hole 304 and the second air inlet hole 305 are provided independently.
  • the bottom wall 301 includes two opposite long sides and two opposite short sides.
  • the bottom wall 301 may be in a shape of an ellipse or may be in a shape of a rectangle.
  • the two opposite long sides are parallel to each other, and the two opposite short sides are arcshaped sides protruding outward.
  • the first air inlet hole 304 is provided on the bottom wall 301, and the first air inlet hole 304 runs through the bottom wall 301.
  • a position where the first air inlet hole 304 is provided matches a position where an electrode connector 306 is provided, provided that end portions of the electrode connector 306 are exposed.
  • the first air inlet hole 304 is configured to expose the electrode connector 306, and a size of the first air inlet hole 304 is greater than a size of the electrode connector 306, so that a gap between the electrode connector 306 and the first air inlet hole 304 serves as an air inlet of an air passage of an air sensor.
  • a shape of the first air inlet hole 304 may be a square or may be a rectangle or a circle.
  • the shape of the first air inlet hole 304 may be the same as or different from an image of a cross section of the electrode connector 306.
  • the shape and an area of the first air inlet hole 304 may be the same as or different from those of an end surface of the air passage of the air sensor, provided that air in the air passage of the air sensor enters the vaporizer 10, and the shape of the first air inlet hole 304 is not limited herein.
  • the second air inlet hole 305 is provided on the first connecting portion 405 provided between the bottom wall 301 and the cylindrical side wall 302.
  • the second air inlet hole 305 communicates the inner cavity with the outside of the end cap 30.
  • the second air inlet hole 305 extends onto the bottom wall 301 and the cylindrical side wall 302, so that air in a gap between the shell 201 and the side wall of the vaporizer 10 may enter the vaporizer 10 through the second air inlet hole 305, and air in a gap between the end cap 30 and the power supply component 202 may also enter the vaporizer 10 through the second air inlet hole 305.
  • the air in the gap between the end cap 30 and the power supply component 202 may enter the vaporizer 10 through the second air inlet hole 305, to ensure an air inlet amount.
  • the air in the gap between the shell 201 and the side wall of the vaporizer 10 may enter the vaporizer 10 through the second air inlet hole 305, to ensure an air inlet amount.
  • the air in the gap between the shell 201 and the side wall of the vaporizer 10 may complement to the gap between the end cap 30 and the power supply component 202 through the second air inlet hole 305, to further reduce a negative pressure generated between the end cap 30 and the power supply component 202, thereby preventing the negative pressure from affecting an air pressure in the air passage of the air sensor and reducing a possibility of mistaken triggering.
  • the second air inlet hole 305 is provided on the two opposite long sides. Therefore, a travel distance that liquid is leaked from the bottom of the vaporization cavity 125 can be extended, and the liquid leaked from the bottom of the vaporization cavity 125 may not directly leak out. Compared with arranging the second air inlet hole 305 on the short sides provided opposite to each other, arranging the second air inlet hole 305 on the two opposite long sides can reduce an air inlet travel distance, so that air inlet can be quick and smooth and start is more agilely in an inhalation process. In a specific embodiment, there may be one or two or more second air inlet holes 305. In an exemplary embodiment, to ensure the air inlet amount in the vaporizer 10, there are two second air inlet holes 305.
  • the two second air inlet holes 305 may be provided on one long side, and the two second air inlet holes 305 may be alternatively symmetrically provided on the two opposite long sides.
  • a connecting line of the two second air inlet holes 305 passes through the geometric center of the bottom wall 301 and is perpendicular to the two opposite long sides.
  • An area of the second air inlet hole 305 is from 1.0 square millimeters to 2.0 square millimeters. In an exemplary embodiment, the area of the second air inlet hole 305 is 1.5 square millimeters.
  • a shape of the second air inlet hole 305 may be a square or may be a rectangle or a circle, provided that air on an outer side of the end cap 30 can enter the inner cavity through the second air inlet hole 305, and the shape of the second air inlet hole 305 is not limited.
  • An air inlet source of the second air inlet hole 305 may be air entering from a charging port of the power supply component 202 or may be air entering from a through hole opened on the shell 201.
  • a third air inlet is further provided on the bottom wall 301, a third air inlet is also provided on the cylindrical side wall 302, and the third air inlets on the bottom wall 301 and/or the cylindrical side wall 302 are in communication with the second air inlet hole 305.
  • An air inlet groove 307 is provided on a bottom surface of the lower base body 12 close to the end cap 30, the end cap 30 covers the air inlet groove 307 to form an air inlet channel 308, and the air inlet channel 308 is in communication with the air inlet hole 126 of the vaporization cavity 125.
  • the first air inlet hole 304 and/or the second air inlet hole 305 provided on the end cap 30 are/is provided corresponding to an end portion of the air inlet channel 308 away from the air inlet hole 126 and in communication with the end portion.
  • the first connecting portion 405 between the bottom wall 301 and the cylindrical side wall 302 is an arc surface structure, so that when the vaporizer 10 is inserted in the shell 201 and is in contact with a battery component, a gap is always formed between the end cap 30 and the power supply component 202, thereby ensuring smooth air inlet.
  • the vaporizer in the electronic vaporization device includes: a liquid storage tank, configured to store liquid; a mounting base, including a vent channel transmitting air to the liquid storage tank and a leaked liquid buffer structure having a capillary force, where the leaked liquid buffer structure is in communication with the vent channel; and a vaporization core, including a porous substrate and a heating element, where the porous substrate is in fluid communication with the liquid storage tank and absorbs liquid from the liquid storage tank through a capillary force; the heating element heats and vaporizes the liquid of the porous substrate; the vaporization core is located between the liquid storage tank and the leaked liquid buffer structure; and the leaked liquid buffer structure abuts against the porous substrate and is configured to reflux liquid leaked from the vent channel to the porous substrate.
  • the leaked liquid buffer structure can collect the liquid leaked from the vent channel, thereby preventing the leaked liquid from leaking out from an air inlet of the vaporizer.
  • the leaked liquid stored in the leaked liquid buffer structure can reflux to the vaporization core through capillary action, to effectively utilize the leaked liquid, and liquid leakage of the vaporizer can be further prevented by repeating the foregoing process for a plurality of times, thereby improving the user experience.

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  • Catching Or Destruction (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Special Spraying Apparatus (AREA)
EP20935684.9A 2020-05-12 2020-11-13 Atomiseur et dispositif d'atomisation électronique associé Pending EP4151100A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/CN2020/089825 WO2021226835A1 (fr) 2020-05-12 2020-05-12 Atomiseur et dispositif d'atomisation électronique
PCT/CN2020/114889 WO2022052063A1 (fr) 2020-09-11 2020-09-11 Atomiseur et dispositif d'atomisation électronique le comprenant
PCT/CN2020/128817 WO2021227413A1 (fr) 2020-05-12 2020-11-13 Atomiseur et dispositif d'atomisation électronique associé

Publications (2)

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EP4151100A1 true EP4151100A1 (fr) 2023-03-22
EP4151100A4 EP4151100A4 (fr) 2023-10-25

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US (1) US20230063069A1 (fr)
EP (1) EP4151100A4 (fr)
CN (2) CN113647680A (fr)
WO (1) WO2021227413A1 (fr)

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CN217161079U (zh) * 2021-12-30 2022-08-12 江门摩尔科技有限公司 雾化顶座、雾化器及电子雾化装置
WO2023123162A1 (fr) * 2021-12-30 2023-07-06 深圳麦克韦尔科技有限公司 Dispositif d'atomisation électronique et atomiseur associé
CN114468357A (zh) * 2022-01-17 2022-05-13 海南摩尔兄弟科技有限公司 电子雾化装置及其雾化器
CN114568749A (zh) * 2022-01-23 2022-06-03 深圳麦克韦尔科技有限公司 雾化器和电子雾化装置
WO2023150945A1 (fr) * 2022-02-09 2023-08-17 深圳麦克韦尔科技有限公司 Dispositif d'atomisation électronique
CN219679754U (zh) * 2022-03-28 2023-09-15 深圳易佳特科技有限公司 一种雾化器及电子烟
CN115088875A (zh) * 2022-05-06 2022-09-23 海南摩尔兄弟科技有限公司 电子雾化装置及雾化器
CN114938864A (zh) * 2022-05-20 2022-08-26 深圳市吉迩技术有限公司 一种雾化芯组件、雾化器及气溶胶产生装置
CN117243421A (zh) * 2022-06-10 2023-12-19 海南摩尔兄弟科技有限公司 雾化芯、雾化器及电子雾化装置
CN117256943A (zh) * 2022-06-14 2023-12-22 海南摩尔兄弟科技有限公司 雾化器及电子雾化装置
CN117502729A (zh) * 2022-07-29 2024-02-06 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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US20230063069A1 (en) 2023-03-02
WO2021227413A1 (fr) 2021-11-18
CN214710337U (zh) 2021-11-16
CN113647680A (zh) 2021-11-16
EP4151100A4 (fr) 2023-10-25

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