EP4353099A1 - Dispositif d'atomisation électronique - Google Patents

Dispositif d'atomisation électronique Download PDF

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Publication number
EP4353099A1
EP4353099A1 EP23182742.9A EP23182742A EP4353099A1 EP 4353099 A1 EP4353099 A1 EP 4353099A1 EP 23182742 A EP23182742 A EP 23182742A EP 4353099 A1 EP4353099 A1 EP 4353099A1
Authority
EP
European Patent Office
Prior art keywords
atomization
side wall
liquid storage
electrical connector
core
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
EP23182742.9A
Other languages
German (de)
English (en)
Inventor
Jianqing Wu
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
Application filed by Shenzhen Smoore Technology Ltd filed Critical Shenzhen Smoore Technology Ltd
Publication of EP4353099A1 publication Critical patent/EP4353099A1/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
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present disclosure relates to the field of atomizer technologies, and in particular, to an electronic atomization device.
  • An electronic atomization device generally includes an atomizer and a power supply assembly, the power supply assembly is electrically connected to the atomizer to provide energy to the atomizer, and the power supply assembly and the atomizer are electrically connected to each other through an electrical connector.
  • the electrical connector of the electronic atomization device has a large quantity of components and a complex conductive contact structure, and a mounting process of the electrical connector is complex, which is prone to a poor contact stability between the electrical connector and an atomization core, further leading to an unstable contact between the atomizer and the power supply assembly.
  • the performance of the electronic atomization device is affected, and the use experience of a user is further affected.
  • the present disclosure mainly provides an electronic atomization device, to resolve the problem of unstable contact between an electrical connector and an atomization core due to a complex structure, a large quantity of components, and a complex mounting process of the electrical connector in the related art.
  • an electronic atomization device including: a housing, including an accommodating cavity and an air outlet channel; an atomization base, disposed in the accommodating cavity, the atomization base is engaged with the housing to form a liquid storage cavity; and a bottom wall of the atomization base includes an assembling hole and an air inlet, and a top portion of the atomization base includes an air outlet in communication with the air outlet channel; an atomization core, at least partially disposed in the atomization base, an atomization surface of the atomization core is engaged with the atomization base to form an atomization cavity; and an electrical connector, disposed on the bottom wall of the atomization base, running through the assembling hole, and entering the atomization cavity, a length direction of the electrical connector is parallel to the atomization surface of the atomization core, and the side surface of the electrical connector abuts against the atomization surface.
  • the atomization base includes a first side wall, a mounting hole is defined on the first side wall, and the atomization core is disposed in the mounting hole.
  • the electronic atomization device further includes a fixing assembly, and the fixing assembly is at least partially located on the side of the atomization core away from the electrical connector; and the atomization core is clamped in the mounting hole by the fixing assembly and the electrical connector.
  • the fixing assembly includes a fixing member, and the fixing member is disposed on the outer side of the atomization base; the fixing member includes a first liquid inlet hole and the atomization core is in communication with the liquid storage cavity via the first liquid inlet hole; or the fixing member covers a part of the atomization core, and the atomization core is in communication with the liquid storage cavity.
  • the fixing member includes a first body portion and two locking members located on two opposite sides of the first body portion respectively; the first body portion covers the mounting hole and the first liquid inlet hole is located at the center of the first body portion; the two locking members are fixedly connected to a second side wall and a third side wall of the atomization base respectively, and the second side wall and the third side wall are parallel to each other and are connected to two opposite sides of the first side wall respectively.
  • the fixing assembly further includes a seal member; the seal member includes a second body portion and a protruding portion; the second body portion covers the mounting hole and includes a second liquid inlet hole facing the first liquid inlet hole at the center; the protruding portion is disposed on the surface of the second body portion close to the atomization core and, surrounding the second liquid inlet hole, located in the mounting hole, and embedded between the side wall of the mounting hole and the side wall of the atomization core.
  • the protruding portion is an annular protruding portion, and the inner surface of the annular protruding portion and the side surface of the second liquid inlet hole are disposed at interval; and the annular protruding portion is engaged with the second body portion to form a first groove, and the atomization core is disposed in the first groove.
  • the electronic atomization device further includes a liquid guide member; and the liquid guide member is disposed in the second liquid inlet hole.
  • a second groove is defined at a joint between the side surface of the second liquid inlet hole and the surface of the second body portion close to the atomization core, and an edge of the liquid guide member is embedded in the second groove.
  • the atomization base includes an annular side wall, and the annular side wall includes the first side wall; and the annular side wall of the atomization base is provided with a liquid storage vent channel, and the liquid storage vent channel communicates the air with the liquid storage cavity.
  • a first liquid storage groove is defined on the inner surface of the annular side wall, a second liquid storage groove is defined on the outer surface of the annular side wall, the second liquid storage groove is in fluid communication with the first liquid storage groove and the liquid storage cavity; and the first liquid storage groove is engaged with the second liquid storage groove to form the liquid storage vent channel.
  • the width of the first liquid storage groove and the width of the second liquid storage groove range from 0.3 mm to 0.6 mm
  • the depth of the first liquid storage groove and the depth of the second liquid storage groove range from 0.3 mm to 0.6 mm
  • the end opening area of the first liquid storage groove and the end opening area of the second liquid storage groove range from 0.07 mm 2 to 0.13 mm 2 .
  • An air outlet end of the second liquid storage groove is in fluid communication with a bottom portion of the liquid storage cavity.
  • the atomization base is integrally formed; the annular side wall of the atomization base and the inner wall surface of the housing are disposed at interval, and a periphery of the bottom wall of the atomization base abuts against the inner wall surface of the housing; and the bottom wall of the atomization base is configured to block the accommodating cavity to form the liquid storage cavity, and the bottom wall of the atomization base serves as the bottom portion of the liquid storage cavity.
  • the atomization surface of the atomization core is a plane disposed parallel to an axial direction of the electronic atomization device; and the electrical connector is in a shape of a column, and the two electrical connectors are disposed parallel to each other and at interval.
  • the atomization core includes a sheet-like liquid guide body and a heating element, and the sheet-like liquid guide body includes a liquid absorbing surface and the atomization surface opposite to each other; the heating element is disposed on the atomization surface; the electrical connector is a cylindrical metal ejector pin, and the cylindrical metal ejector pin includes a cylindrical body and a first annular protruding portion located on the side surface of one end of the cylindrical body; and the side surface of the first annular protruding portion abuts against an electrode of the heating element.
  • the atomization surface of the atomization core is flush with the inner surface of the first side wall.
  • the atomization base is integrally formed; and the size of the mounting hole is greater than or equal to the size of the atomization core, allowing the atomization core to be mounted in the mounting hole through an end opening of the mounting hole away from the atomization cavity.
  • the electronic atomization device further includes a base, disposed on one end of the atomization base away from the air outlet channel and at least partially disposed in the accommodating cavity, the base includes an avoidance hole; and an end of the electrical connector located outside the atomization cavity is inserted into the avoidance hole and exposed through the avoidance hole.
  • An angle between the atomization surface of the atomization core and the axial direction of the electronic atomization device is less than 30 degrees.
  • the electronic atomization device further includes a power supply assembly, electrically connected to the atomization core through the electrical connector, and configured to provide energy to the atomization core.
  • the present disclosure discloses an electronic atomization device, and the electronic atomization device includes a housing, an atomization base, an atomization core, and an electrical connector, the housing includes an accommodating cavity and an air outlet channel; the atomization base is disposed in the accommodating cavity, and the atomization base is engaged with the housing to form a liquid storage cavity; a bottom wall of the atomization base includes an assembling hole and an air inlet, and a top portion of the atomization base includes an air outlet in communication with the air outlet channel; the atomization core is at least partially disposed in the atomization base, an atomization surface of the atomization core is engaged with the atomization base to form an atomization cavity; and the electrical connector is disposed on the bottom wall of the atomization base and runs through the assembling hole to enter the atomization cavity, a length direction of the electrical connector is parallel to the atomization surface of the atomization core, and the side surface of the electrical connector
  • the length direction of the electrical connector is disposed parallel to the atomization surface of the atomization core, and the side surface of the electrical connector abuts against the atomization surface, so that the contact area between the electrical connector and the atomization surface is increased, and contact between the electrical connector and the atomization core is stable.
  • first”, “second”, and “third” in the embodiments of the present disclosure are merely intended for a purpose of description, and shall not be understood as an indication or implication of relative importance or implicit indication of a quantity of indicated technical features. Therefore, features defining “first”, “second”, and “third” can explicitly or implicitly include at least one of the features.
  • “a plurality of” means at least two, such as two and three unless otherwise specifically defined.
  • the terms “include”, “have”, and any variants thereof are intended to cover non-exclusive inclusion.
  • a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units; and instead, further optionally includes a step or unit that is not listed, or further optionally includes another step or unit that is intrinsic to the process, method, product, or device.
  • FIG. 1 is a schematic structural view of an electronic atomization device according to the present disclosure.
  • the present disclosure provides an electronic atomization device 300, and the electronic atomization device 300 may be configured to atomize an aerosol-generation substrate.
  • the electronic atomization device 300 includes an atomizer 100 and a power supply assembly 200 that are electrically connected to each other.
  • the atomizer 100 is configured to store an aerosol-generation substrate and atomize the aerosol-generation substrate to form aerosols that can be inhaled by a user.
  • the atomizer 100 may be applied to different fields such as medical care, cosmetology, and recreation inhalation.
  • the atomizer 100 may be applied to an electronic aerosol atomization device to atomize an aerosol-generation substrate and generate aerosols for inhalation by an inhaler, and the following embodiments are described by using the recreation inhalation as an example.
  • the power supply assembly 200 includes a battery (not shown in the figure) and a controller (not shown in the figure).
  • the battery is configured to supply electric energy for operation of the atomizer 100, to cause the atomizer 100 to heat and atomize the aerosol-generation substrate to form aerosols.
  • the controller is configured to control operation of the atomizer 100.
  • the power supply assembly 200 further includes other components such as a battery holder (not shown in the figure), an airflow sensor (not shown in the figure), and so on.
  • FIG. 2 is a schematic structural view of an embodiment of an atomizer of the electronic atomization device provided in FIG. 1
  • FIG. 3 is a schematic cross-sectional view of the atomizer provided in FIG. 2
  • FIG. 4 is another schematic cross-sectional view of the atomizer provided in FIG. 2
  • FIG. 5 is a schematic cross-sectional view of a housing of the atomizer provided in FIG. 2 .
  • the atomizer 100 of the electronic atomization device 300 includes a housing 1, an atomization base 2, an atomization core 3, and an electrical connector 6.
  • the housing 1 includes an accommodating cavity 11 and an air outlet channel 12, the atomization base 2 is disposed in the accommodating cavity 11, and the atomization base 2 is engaged with the housing 1 to form a liquid storage cavity 10.
  • a bottom wall 24 of the atomization base 2 includes an assembling hole 241 and an air inlet 242, and a top portion of the atomization base 2 includes an air outlet 25 in communication with the air outlet channel 12; the atomization core 3 is at least partially disposed in the atomization base 2; and an atomization surface 31 of the atomization core 3 is engaged with the atomization base 2 to form an atomization cavity 20, and an angle between the atomization surface 31 and an axial direction A1 of the atomizer 100 is less than 30 degrees.
  • the electrical connector 6 is disposed on the bottom wall 24 of the atomization base 2 and runs through the assembling hole 241 to enter the atomization cavity 20, a length direction of the electrical connector 6 is parallel to the atomization surface 31 of the atomization core 3, and the side surface of the electrical connector 6 abuts against the atomization surface 31.
  • the electrical connector 6 is a single component.
  • a structure of the electrical connector 6 is simplified, so that the structure is simple and easy to assemble, thereby resolving problems of a complex structure, a large quantity of components, and a complex mounting process of the electrical connector 6.
  • the atomization core 3 is at least partially disposed in the atomization base 2, the length direction of the electrical connector 6 is disposed parallel to the atomization surface 31 of the atomization core 3, and the side surface of the electrical connector 6 abuts against the atomization surface 31, so that the contact area between the electrical connector 6 and the atomization surface 31 is increased, and contact between the electrical connector 6 and the atomization core 3 is stable, thereby resolving the problem of unstable contact between the electrical connector and the atomization core in the related art.
  • the electrical connector is arranged to have another structure forms such as an elastic sheet and so on, which may affect the performance of the atomization core since the structure of the elastic sheet may easily scratch a heating film of the atomization core and cause damage to the heating film of the atomization core, but in the present disclosure, the electrical connector 6 is not arranged to have the structure of the elastic sheet.
  • the length direction of the electrical connector 6 is disposed parallel to the atomization surface 31 of the atomization core 3, and the side surface of the electrical connector 6 abuts against the atomization surface 31, so that the electrical connector 6 cannot damage the atomization core 3 easily.
  • the structure of the electrical connector 6 in the present disclosure may also not crush the atomization core 3 easily in a mounting process, which is not prone to a problem of damaging the atomization core 3. Therefore, the performance of the electronic atomization device 300 is improved, and the use experience of the user is further improved.
  • the atomization base 2 includes a first side wall 21, the first side wall 21 is provided with a mounting hole 211, and the atomization core 3 is disposed in the mounting hole 211 of the atomization base 2.
  • the housing 1 internally includes the accommodating cavity 11 and the air outlet channel 12 connected to one end of the housing 1.
  • the atomization base 2 is disposed in the accommodating cavity 11 of the housing 1, the top portion of the atomization base 2 includes the air outlet 25, and the top portion of the atomization base 2 is inserted in the air outlet channel 12 of the housing 1, so that the air outlet 25 of the atomization base 2 is in communication with the air outlet channel 12 of the housing 1, the aerosols formed when the atomizer 100 heats and atomizes the aerosol-generation substrate flows out of the atomizer 100 through the air outlet channel 12 from the atomization cavity 20 after flowing through the air outlet 25 of the atomization base 2, and the user inhales the aerosols through an end opening of the air outlet channel 12.
  • FIG. 6 is a schematic structural view of an atomization base of the atomizer provided in FIG. 2
  • FIG. 7 is a schematic structural view of the atomization base of the atomizer provided in FIG. 2 from another perspective.
  • the atomization base 2 is engaged with the housing 1 to form the liquid storage cavity 10.
  • the atomization base 2 is integrally formed, the atomization base 2 includes an annular side wall 26 and the bottom wall 24 that are connected to each other, and the bottom wall 24 of the atomization base 2 is located on one end of the annular side wall 26 away from the air outlet channel 12.
  • the annular side wall 26 of the atomization base 2 and the inner wall surface of the housing 1 are disposed at interval and spaced apart from each other, and the bottom wall 24 abuts against the inner wall surface of the housing 1, to block an end opening of the accommodating cavity 11.
  • a periphery of the bottom wall 24 of the atomization base 2 protrudes out of the outer surface of the annular side wall 26, the periphery of the bottom wall 24 of the atomization base 2 abuts against the inner wall surface of the housing 1, the bottom wall 24 of the atomization base 2 is configured to block the accommodating cavity 11 of the housing 1 to form the liquid storage cavity 10, the bottom wall 24 of the atomization base 2 serves as a bottom portion of the liquid storage cavity 10, and the liquid storage cavity 10 stores an aerosol-generation substrate. It may be understood that, to better seal the accommodating cavity 11, a seal member may also be arranged between the periphery of the bottom wall 24 of the atomization base 2 and the inner wall surface of the housing 1.
  • a shape of a cross section of the annular side wall 26 of the atomization base 2 is not limited.
  • the first side wall 21 is of a planar structure, for ease of assembly of the atomization core 3 with a flat plate structure.
  • the annular side wall 26 of the atomization base 2 includes the first side wall 21 and a second side wall 22 and a third side wall 23 arranged on two opposite sides of the first side wall 21, and the second side wall 22 and the third side wall 23 are parallel to each other and connected to two sides of the first side wall 21 respectively.
  • the annular side wall 26 of the atomization base 2 further includes a fourth side wall (not marked in the figure) opposite to the first side wall 21; and the first side wall 21, the second side wall 22, and the third side wall 23 are planar, and the fourth side wall is arc-shaped.
  • the atomization surface 31 of the atomization core 3 is engaged with the atomization base 2 to form the atomization cavity 20,
  • the bottom wall 24 of the atomization base 2 includes two assembling holes 241 provided at interval and an air inlet 242 provided between the two assembling holes 241, the two assembling holes 241 are configured to mount the two electrical connectors 6, the air inlet 242 communicates the external air with the atomization cavity 20, and the external air enters the atomization cavity 20 through the air inlet 242.
  • the air inlet 242 and the air outlet 25 are provided opposite to each other, and the assembling hole 241 and the air outlet 25 are staggered from each other, to reduce a possibility of blocking an airflow.
  • the first side wall 21 includes the mounting hole 211, and the atomization core 3 is disposed in the mounting hole 211, so that the atomization surface 31 of the atomization core 3 is engaged with the annular side wall 26 of the atomization base 2 to form the atomization cavity 20, and an angle between the atomization surface 31 of the atomization core 3 and the axial direction A1 of the atomizer 100 is less than 30 degrees. In some embodiments, the angle between the atomization surface 31 of the atomization core 3 and the axial direction A1 of the atomizer 100 is less than 5 degrees, so that the electrical connector 6 may be in better contact with the atomization surface 31 of the atomization core 3, thereby ensuring the contact stability and facilitating mounting. As shown in FIG.
  • the atomization surface 31 of the atomization core 3 is parallel to the axial direction A1 of the atomizer 100, and the length direction of the electrical connector 6 is parallel to the atomization surface 31 of the atomization core 3. That is, the length direction of the electrical connector 6 is disposed parallel to the axial direction A1 of the atomizer 100, and the side surface of the electrical connector 6 abuts against the atomization surface 31, so that the contact area between the electrical connector 6 and the atomization surface 31 of the atomization core 3 is large, and contact is stable.
  • the size of the mounting hole 211 of the first side wall 21 is greater than the size of the atomization core 3, so that the atomization core 3 may be mounted into the mounting hole 211 from an end opening of the mounting hole 211 away from the atomization cavity 20.
  • the two electrical connectors 6 are disposed on two sides of the air inlet 242 at interval, and the length direction of the electrical connector 6 is disposed parallel to the axial direction A1 of the atomizer 100. Therefore, when the external air enters the atomization cavity 20 through the air inlet 242, the electrical connector 6 does not block the airflow, so that the external airflow may flow into the atomization cavity 20 smoothly, thereby improving the atomization efficiency.
  • FIG. 8 is a schematic structural view of an assembly of an atomization base, an atomization core, and an electrical connector in another embodiment of the atomizer of the electronic atomization device provided in FIG. 1 .
  • the atomization surface 31 of the atomization core 3 may alternatively not be disposed parallel to the axial direction A1 of the atomizer 100, and an angle exists between the atomization surface 31 and the axial direction A1 of the atomizer 100. As shown in FIG. 8 , an angle less than 30 degrees exists between the atomization surface 31 of the atomization core 3 and the axial direction A1 of the atomizer 100, and the length direction of the electrical connector 6 is still disposed parallel to the atomization surface 31 of the atomization core 3.
  • the end surface of one end of the electrical connector 6 away from the air outlet channel 12 is disposed parallel to the bottom wall 24 of the atomization base 2, and the end surface of a bottom end of the electrical connector 6 is not perpendicular to the length direction of the electrical connector 6, thereby ensuring that the electrical connector 6 may still be in a good and stable electrical connection with the power supply assembly 200.
  • FIG. 9 is a schematic structural view of a fixing member of the atomizer provided in FIG. 2
  • FIG. 10 is a schematic structural view of a seal member of the atomizer provided in FIG. 2 .
  • the atomizer 100 further includes a fixing assembly 4, the fixing assembly 4 is at least partially located on the side of the atomization core 3 away from the electrical connector 6, and the atomization core 3 is clamped and fixed in the mounting hole 211 of the atomization base 2 by the fixing assembly 4 and the electrical connector 6.
  • the fixing assembly 4 includes a fixing member 41, and the fixing member 41 is disposed on the outer side of the atomization base 2.
  • the fixing member 41 includes a first liquid inlet hole 410, and the atomization core 3 is in communication with the liquid storage cavity 10 through the first liquid inlet hole 410, so that the aerosol-generation substrate in the liquid storage cavity 10 may enter the atomization core 3 and be heated and atomized by the atomization core 3.
  • the fixing member 41 includes a first body portion 411 and two locking members 412 located on two opposite sides of the first body portion 411 respectively, the first body portion 411 covers the mounting hole 211 of the atomization base 2 and the first body portion 411 includes the first liquid inlet hole 410 at the center.
  • the mounting hole 211, the atomization core 3, and the first liquid inlet hole 410 are all in a shape of a rectangle.
  • the two locking members 412 are fixedly connected to the second side wall 22 and the third side wall 23 of the atomization base 2 respectively. As shown in FIG. 3 and FIG.
  • each of the second side wall 22 and the third side wall 23 of the atomization base 2 includes a bump 221
  • each locking member 412 includes an engagement groove 413
  • the engagement grooves 413 of the locking members 412 are correspondingly clamped on or engaged with the bumps 221 of the second side wall 22 and the third side wall 23, so that the fixing member 41 is fixedly connected to the atomization base 2, and the fixing member 41 fixes the side of the atomization core 3 away from the electrical connector 6.
  • the fixing member 41 may be a metal member, and the metal member may not be deformed easily, which has a better fixing function to the atomization core 3. It may be understood that, the engagement grooves may also be provided on the second side wall 22 and the third side wall 23, and the bumps may be disposed on the locking members 412, to perform clamping.
  • the center of the fixing member 41 may not be provided with the first liquid inlet hole 410.
  • the fixing member 41 may be arranged to have a mesh structure, and the aerosol-generation substrate in the liquid storage cavity 10 may enter the atomization core 3 through a plurality of micropores in the mesh-shaped fixing member 41; or the size of the first body portion 411 of the fixing member 41 is less than the size of the mounting hole 211, and the first body portion 411 of the fixing member 41 is disposed facing the position of the mounting hole 211 and has a smaller width than that of the atomization core 3, so that the atomization core 3 is partially exposed in the liquid storage cavity 10. Therefore, the atomization core 3 is in communication with the liquid storage cavity 10, and the aerosol-generation substrate in the liquid storage cavity 10 enters the atomization core 3 through two sides of the first body portion 411 of the fixing member 41.
  • the fixing assembly 4 further includes a seal member 42, the seal member 42 is located between the fixing member 41 and the electrical connector 6, and the seal member 42 may be a silicone member configured to block the mounting hole 211.
  • the seal member 42 includes a second body portion 421 and a protruding portion 422, the second body portion 421 covers the mounting hole 211 of the atomization base 2 and includes a second liquid inlet hole 423 provided facing the first liquid inlet hole 410 at the center of the second body portion 421.
  • the size of the second body portion 421 is greater than the size of the mounting hole 211, and the protruding portion 422 is arranged on the surface of the second body portion 421 close to the atomization core 3 and disposed surrounding the second liquid inlet hole 423.
  • the protruding portion 422 of the seal member 42 is arranged in the mounting hole 211 and embedded between the side wall of the mounting hole 211 and the side wall of the atomization core 3, and the second body portion 421 and the protruding portion 422 of the seal member 42 and the atomization core 3 block the mounting hole 211, thereby preventing the aerosol-generation substrate in the liquid storage cavity 10 from leaking into the atomization cavity 20 through the mounting hole 211.
  • the protruding portion 422 is in interference fit between the side wall of the mounting hole 211 and the side wall of the atomization core 3.
  • the protruding portion 422 of the seal member 42 is an annular protruding portion 422, and the annular protruding portion 422 is in a shape of a rectangular ring.
  • the inner surface of the annular protruding portion 422 and the side surface of the second liquid inlet hole 423 are disposed at interval, the annular protruding portion 422 is engaged with the second body portion 421 to form a first groove 424, the side surface of the first groove 424 is the inner surface of the annular protruding portion 422, the bottom surface of the first groove 424 is the surface of the side of the second body portion 421 close to the electrical connector 6, and the atomization core 3 is disposed in the first groove 424 and covers the second liquid inlet hole 423.
  • the depth of the first groove 424 may be greater than or equal to the thickness of the atomization core 3, or may be less than the thickness of the atomization core 3. In some embodiments, the depth of the first groove 424 is equal to the thickness of the atomization core 3, so that the atomization core 3 may be stably mounted in the first groove 424, and the seal member 42 plays a good fixing function to the atomization core 3. In addition, the electrical connector 6 abuts against the atomization surface 31 of the atomization core 3, thereby ensuring an effective contact between the atomization core 3 and the electrical connector 6.
  • the atomization core 3 is fixedly assembled in the first groove 424 of the seal member 42, the protruding portion 422 of the seal member 42 is embedded between the side wall of the atomization core 3 and the side wall of the mounting hole 211, and the fixing member 41 is then fixedly connected to the second side wall 22 and the third side wall 23 of the atomization base 2.
  • the fixing member 41 fixes the side of the seal member 42 away from the electrical connector 6, the side surface of the electrical connector 6 abuts against the atomization surface 31 of the atomization core 3, and the atomization core 3 is clamped and fixed in the mounting hole 211 by the fixing assembly 4 and the electrical connector 6 arranged on two opposite sides of the atomization core 3, so that contact between the electrical connector 6 and the atomization surface 31 of the atomization core 3 is stable, and the side surface of the electrical connector 6 abutting against the atomization surface 31 does not cause damage to the atomization core 3.
  • the atomization surface 31 of the atomization core 3 is a plane parallel to the axial direction A1 of the atomizer 100. As shown in FIG. 4 , the atomization surface 31 may be flush with the inner surface of the first side wall 21 of the atomization base 2, so that the side surface of the electrical connector 6 may be in better contact with the atomization surface 31 of the atomization core 3, thereby preventing occurrence of a problem of unstable contact between the electrical connector 6 and the atomization core 3 caused by the difficulty of contact between the side surface of the electrical connector 6 and the atomization core 3 when the atomization surface 31 is mounted in the mounting hole 211 and is not flush with the inner surface of the first side wall 21.
  • the atomization surface 31 may be flush with the inner surface of the first side wall 21 of the atomization base 2 to prevent the atomization core 3 from blocking the airflow in the atomization cavity 20, so that the airflow may smoothly flow through the atomization cavity 20, and the atomization efficiency of the atomizer 100 is high.
  • the protruding portion 422 of the seal member 42 may be in another shape.
  • the protruding portion 422 may be a plurality of bumps disposed surrounding the second liquid inlet hole 423, and the plurality of bumps are embedded between the side wall of the mounting hole 211 and the side wall of the atomization core 3, to fix the seal member 42 and fix the atomization core 3 in the mounting hole 211.
  • the seal member 42 further includes a seal ring 426, and the seal ring 426 is disposed on the inner surface of the bottom wall of the first groove 424 and disposed surrounding the second liquid inlet hole 423, to further seal the atomization core 3.
  • the atomizer 100 further includes a liquid guide member 5, and the liquid guide member 5 is disposed in the second liquid inlet hole 423.
  • the seal member 42 includes a second groove 425, the second groove 425 is provided at a joint between the side surface of the second liquid inlet hole 423 and the surface of the second body portion 421 close to the atomization core 3, an edge of the liquid guide member 5 is embedded in the second groove 425, and the size of the second groove 425 is less than the size of the first groove 424.
  • the liquid guide member 5 is in a shape of a rectangle, and the liquid guide member 5 is a sheet-like liquid guide member 5.
  • the liquid guide member 5 is of a porous structure, and the liquid guide member 5 may be of a structure such as liquid guide cotton, porous ceramic, and so on.
  • the liquid guide member 5 is in communication with the liquid storage cavity 10 through the first liquid inlet hole 410 and the second liquid inlet hole 423, the surface of the side of the liquid guide member 5 close to the electrical connector 6 is in contact with a liquid absorbing surface 32 of the atomization core 3, and the aerosol-generation substrate in the liquid storage cavity 10 enters the liquid guide member 5 through the first liquid inlet hole 410 and the second liquid inlet hole 423, and is transmitted into the atomization core 3 by the liquid guide member 5 to be heated and atomized by the atomization core 3.
  • the second groove 425 may not be provided, and the liquid guide member 5 is clamped and fixed by the first body portion 411 of the fixing member 41 and the atomization core 3.
  • the size of the second liquid inlet hole 423 and the size of the liquid guide member 5 are set to be greater than the size of the first liquid inlet hole 410.
  • FIG. 11 is a schematic structural view of an atomization core of the atomizer provided in FIG. 2
  • FIG. 12 is a schematic structural view of an electrical connector of the atomizer provided in FIG. 2 .
  • the atomization surface 31 of the atomization core 3 is a plane disposed parallel to the axial direction A1 of the atomizer 100
  • the electrical connector 6 is of a columnar structure
  • the two electrical connectors 6 are disposed parallel to each other and at interval.
  • the atomization core 3 includes a sheet-like liquid guide body 30 and a heating element 33.
  • the sheet-like liquid guide body 30 is approximately in a shape of a rectangle.
  • the sheet-like liquid guide body 30 includes the liquid absorbing surface 32 and the atomization surface 31 disposed opposite to each other.
  • the atomization surface 31 is a plane parallel to the axial direction A1 of the atomizer 100.
  • the heating element 33 is disposed on the atomization surface 31.
  • the heating element 33 includes a metal heating film (not shown in the figure) and an electrode 331 and is configured to heat and atomize the aerosol-generation substrate to generate aerosols.
  • the metal heating film is in a shape of S and is integrally formed with the electrode 331.
  • the sheet-like liquid guide body 30 may be made of a porous ceramic material, or openings (for example, straight through holes) may be provided on dense ceramic or glass to form a sheet-like liquid guide body 30 of a porous structure.
  • the electrical connector 6 is a cylindrical metal ejector pin, and the metal ejector pin is disposed on the bottom wall 24 of the atomization base 2 and runs through the assembling hole 241 of the bottom wall 24 of the atomization base 2 to enter the atomization cavity 20.
  • the cylindrical metal ejector pin includes a cylindrical body 61 and a first annular protruding portion 62 located on the side surface of one end of the cylindrical body 61. The first annular protruding portion 62 protrudes out of the side surface of the cylindrical body 61 and an outer contour thereof is in a shape of a cylinder.
  • the diameter of the first annular protruding portion 62 is less than the hole diameter of the assembling hole 241, so that the first annular protruding portion 62 of the electrical connector 6 may run through the assembling hole 241 and enter the atomization cavity 20, and the side surface of the first annular protruding portion 62 abuts against the electrode 331 of the heating element 33, to achieve an electrical connection between the electrical connector 6 and the atomization core 3.
  • the metal ejector pin further includes a second annular protruding portion 63 and a limiting convex ring 64.
  • the second annular protruding portion 63 protrudes out of the side surface of the cylindrical body 61, and the second annular protruding portion 63 is corresponding mounted in the assembling hole 241 of the bottom wall 24 of the atomization base 2.
  • the limiting convex ring 64 is disposed protruding out of the side surface of the second annular protruding portion 63, that is, the diameter of the limiting convex ring 64 is greater than the hole diameter of the assembling hole 241, and the limiting convex ring 64 limits the second annular protruding portion 63 of the electrical connector 6 in the assembling hole 241, so that the electrical connector 6 is stably assembled.
  • the electrical connector 6 may be arranged to have a columnar structure in another shape.
  • the electrical connector 6 may be arranged to have any prismatic structure in a shape of a triangular prism, a quadrangular prism, a pentagonal prism, and so on, provided that the side surface of the electrical connector 6 may stably abut against the atomization surface 31 of the atomization core 3 and cause no damage to the atomization core 3.
  • the annular side wall 26 of the atomization base 2 is provided with a liquid storage vent channel 27, and the liquid storage vent channel 27 communicates the air with the liquid storage cavity 10 and is configured to both ventilate the liquid storage cavity 10 and store a specific number of aerosol-generation substrates.
  • the inner surface of the annular side wall 26 is provided with a plurality of first liquid storage grooves 271.
  • the first liquid storage groove 271 is provided in a vertical direction, namely, provided parallel to the axial direction A1 of the atomizer 100, and is configured to buffer leaked liquid and condensate liquid generated in an inhalation process of the user.
  • the outer surface of the annular side wall 26 is provided with a plurality of second liquid storage grooves 272.
  • the first liquid storage groove 271 is in fluid communication with the second liquid storage groove 272, the second liquid storage groove 272 is in fluid communication with the liquid storage cavity 10, and the first liquid storage groove 271 is engaged with the second liquid storage groove 272 to form the liquid storage vent channel 27.
  • the plurality of second liquid storage grooves 272 provided on the outer surface of the annular side wall 26 include a plurality of second liquid storage grooves 272 provided in a circumferential direction of the annular side wall 26 and one second liquid storage groove 272 provided in the vertical direction.
  • the plurality of second liquid storage grooves 272 which includes the second liquid storage grooves 272 provided in a circumferential direction and the second liquid storage groove 272 provided in the vertical direction, may be in communication with each other, and the second liquid storage groove 272 may buffer the aerosol-generation substrate that is squeezed out of the liquid storage cavity 10 due to an increase in negative pressure in the liquid storage cavity 10.
  • the aerosol-generation substrate buffered in the first liquid storage groove 271 and the second liquid storage groove 272 may flow back to the liquid storage cavity 10 again to be reused.
  • the liquid storage cavity 10 may be ventilated, ensuring normal air pressure in the liquid storage cavity 10, and further ensuring that the aerosol-generation substrate in the liquid storage cavity 10 may flow to the atomization core 3 smoothly. Therefore, smooth and sufficient liquid supplying to the atomization core 3 may be ensured, and smooth operation of the atomization process may be further ensured. In addition, problems of liquid leakage of the liquid storage cavity 10 and liquid leakage generated due to inhalation of the user may be effectively reduced, thereby improving the atomization performance of the atomizer 100.
  • the width of the first liquid storage groove 271 and the width of the second liquid storage groove 272 range from 0.3 mm to 0.6 mm.
  • the depth of the first liquid storage groove 271 and the depth of the second liquid storage groove 272 range from 0.3 mm to 0.6 mm.
  • the end opening area of the first liquid storage groove 271 and the end opening area of the second liquid storage groove 272 range from 0.07 mm 2 to 0.13 mm 2 . In this way, it is possible to ensure that both the first liquid storage groove 271 and the second liquid storage groove 272 may effectively store leaked liquid. As shown in FIG.
  • an air inlet end of the second liquid storage groove 272 is in communication with the first liquid storage groove 271, and an air outlet end 2721 of the second liquid storage groove 272 is in fluid communication with the bottom portion of the liquid storage cavity 10. That is, the end of second liquid storage groove 272 arranged in the vertical direction away from the air outlet channel 12 is extended to the bottom portion of the liquid storage cavity 10, and the bottom portion of the liquid storage cavity 10 is the bottom wall 24 of the atomization base 2.
  • the aerosol-generation substrate in the liquid storage cavity 10 may still enter the second liquid storage groove 272 through the air outlet end 2721 of the second liquid storage groove 272, and the liquid storage vent channel 27 may still buffer liquid, thereby preventing liquid leakage.
  • the external air may still enter the liquid storage cavity 10 through the air outlet end 2721 of the second liquid storage groove 272 to ventilate the liquid storage cavity 10, so that a vent process is relatively stable.
  • the end opening area of the air outlet end 2721 of the second liquid storage groove 272 is relatively small, so that an oil film is easily formed, thereby ensuring a liquid storage effect.
  • FIG. 13 is a schematic structural view of a base of the atomizer provided in FIG. 2 .
  • the atomizer 100 provided in the present disclosure further includes a base 7.
  • the base 7 is disposed on one end of the atomization base 2 away from the air outlet channel 12 and at least partially disposed in the accommodating cavity 11 of the housing 1, and the base 7 is configured to further block the accommodating cavity 11 and fix the atomization base 2.
  • the base 7 is provided with two avoidance holes 71, the two avoidance holes 71 are provided facing the position of the assembling holes 241 of the bottom wall 24 of the atomization base 2. After the electrical connector 6 is mounted in the assembling hole 241, an end of the electrical connector 6 located outside the atomization cavity 20 is then inserted into the avoidance hole 71 and exposed through the avoidance hole 71.
  • the bottom end of the electrical connector 6, namely, an end of the electrical connector 6 away from the air outlet channel 12 is exposed through the avoidance hole 71, and the end surface of the end of the electrical connector 6 away from the air outlet channel 12 is disposed parallel to the bottom surface of the base 7, so that the bottom end of the electrical connector 6 is in good contact with the power supply assembly 200, thereby achieving an electrical connection between the atomizer 100 and the power supply assembly 200.
  • An air inlet hole 72 is further provided between the two avoidance holes 71, and there may be one or a plurality of air inlet holes 72.
  • the air inlet hole 72 on the base 7 is in fluid communication with the air inlet 242 provided on the atomization base 2, and the external air enters the atomization cavity 20 after entering the air inlet 242 through the air inlet hole 72.
  • the atomizer 100 in the present disclosure may be assembled in a plurality of manners.
  • the two electrical connectors 6 may be firstly assembled into the two assembling holes 241 from the bottom portion of the atomization base 2 respectively, and the length direction of the electrical connector 6 is parallel to the axial direction A1 of the atomizer 100.
  • the base 7 is then assembled on the end of the electrical connector 6 away from the air outlet channel 12, to rivet the electrical connector 6 to the base 7, and the ends of the two electrical connectors 6 away from the air outlet channel 12 are assembled into the two avoidance holes 71 of the base 7 to cause the bottom ends of the electrical connectors 6 to be exposed through the avoidance holes 71.
  • the atomization core 3 and the fixing assembly 4 are assembled in the mounting hole 211 of the atomization base 2, and the atomization core 3 and the fixing assembly 4 are assembled onto the atomization base 2 through the end opening of the end of the mounting hole 211 away from the atomization cavity 20, so that the side surface of the electrical connector 6 abuts against the atomization surface 31 of the atomization core 3, thereby implementing the assembly of the atomizer 100.
  • the two electrical connectors 6 may be firstly assembled into the two assembling holes 241 from the bottom portion of the atomization base 2, the atomization core 3 and the fixing assembly 4 are then assembled in the mounting hole 211 of the atomization base 2, and the base 7 is finally assembled on the end of the electrical connector 6 away from the air outlet channel 12. In this way, the ends of the two electrical connectors 6 away from the air outlet channel 12 are assembled into the two avoidance holes 71 of the base 7, and the bottom ends of the electrical connectors 6 are exposed through the avoidance holes 71, thereby completing an assembly process of the atomizer 100.
  • the two electrical connectors 6 may be firstly riveted to the base 7, the bottom ends of the two electrical connectors 6 are inserted into the two avoidance holes 71 of the base 7 and the bottom ends of the electrical connectors 6 are exposed through the avoidance holes 71, the two electrical connectors 6 are then assembled in the atomization base 2, the ends of the electrical connectors 6 away from the base 7 run through the assembling holes 241 of the atomization base 2 and enter the atomization cavity 20, and the second annular protruding portions 63 of the electrical connectors 6 are assembled in the assembling holes 241.
  • the atomization core 3 and the fixing assembly 4 are assembled into the mounting hole 211 of the atomization base 2, the side surface of the electrical connector 6 abuts against the atomization surface 31 of the atomization core 3, and the atomization core 3 is clamped and fixed in the mounting hole 211 by the fixing assembly 4 and the electrical connector 6.
  • the atomizer 100 may be assembled by selecting an assembly sequence in any one of the foregoing implementations, which is not limited in the present disclosure.
  • the liquid guide member 5 may be firstly assembled in the second groove 425 of the seal member 42, the atomization core 3 is assembled in the first groove 424 of the seal member 42, the seal member 42 and the atomization core 3 are assembled in the mounting hole 211, the protruding portion 422 of the seal member 42 is embedded in the mounting hole 211, and the outer surface of the protruding portion 422 is in contact with and fits the side wall of the mounting hole 211.
  • the fixing member 41 is then assembled on the side of the second body portion 421 of the seal member 42 away from the atomization cavity 20, the first body portion 411 of the fixing member 41 is in contact with the second body portion 421 of the seal member 42, and the locking members 412 on the two sides of the first body portion 411 of the fixing member 41 are connected to the second side wall 22 and the third side wall 23 of the atomization base 2 through buckles, thereby achieving the process of assembling the atomization core 3 and the fixing assembly 4 in the mounting hole 211 of the atomization base 2.

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EP23182742.9A 2022-09-29 2023-06-30 Dispositif d'atomisation électronique Pending EP4353099A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211197130.XA CN117814533A (zh) 2022-09-29 2022-09-29 雾化器及电子雾化装置

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EP4353099A1 true EP4353099A1 (fr) 2024-04-17

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113892696A (zh) * 2021-09-14 2022-01-07 深圳麦克韦尔科技有限公司 雾化器及电子雾化装置
CN114145492A (zh) * 2020-09-08 2022-03-08 深圳市合元科技有限公司 电子烟雾化器和电子烟
CN216796483U (zh) * 2021-10-28 2022-06-24 吉万(深圳)科技有限公司 雾化器
WO2022161129A1 (fr) * 2021-01-26 2022-08-04 深圳麦克韦尔科技有限公司 Atomiseur et dispositif d'atomisation électronique
CN217284775U (zh) * 2022-01-21 2022-08-26 深圳市卓力能技术有限公司 一种雾化器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114145492A (zh) * 2020-09-08 2022-03-08 深圳市合元科技有限公司 电子烟雾化器和电子烟
WO2022161129A1 (fr) * 2021-01-26 2022-08-04 深圳麦克韦尔科技有限公司 Atomiseur et dispositif d'atomisation électronique
CN113892696A (zh) * 2021-09-14 2022-01-07 深圳麦克韦尔科技有限公司 雾化器及电子雾化装置
CN216796483U (zh) * 2021-10-28 2022-06-24 吉万(深圳)科技有限公司 雾化器
CN217284775U (zh) * 2022-01-21 2022-08-26 深圳市卓力能技术有限公司 一种雾化器

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