EP4285748A1 - Atomiseur et dispositif d'atomisation électronique - Google Patents

Atomiseur et dispositif d'atomisation électronique Download PDF

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Publication number
EP4285748A1
EP4285748A1 EP22745129.1A EP22745129A EP4285748A1 EP 4285748 A1 EP4285748 A1 EP 4285748A1 EP 22745129 A EP22745129 A EP 22745129A EP 4285748 A1 EP4285748 A1 EP 4285748A1
Authority
EP
European Patent Office
Prior art keywords
liquid
support
vaporizer
vaporization
liquid guide
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
EP22745129.1A
Other languages
German (de)
English (en)
Inventor
Baofeng Xie
Zhongli XU
Yonghai LI
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 FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co 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 FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Publication of EP4285748A1 publication Critical patent/EP4285748A1/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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • 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
    • A24F40/50—Control or monitoring
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • 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
    • A24F40/70—Manufacture

Definitions

  • Embodiments of this application relate to the technical field of electronic vaporization devices, in particular to a vaporizer and an electronic vaporization device.
  • Tobacco products (such as cigarettes and cigars) burn tobacco during use to produce tobacco smoke. People try to replace these products burning tobacco by manufacturing products that release compounds without burning.
  • a heating device that releases compounds by heating rather than burning materials.
  • the materials may be tobacco or other non-tobacco products, and these non-tobacco products may or may not contain nicotine.
  • there are products for providing aerosols such as so-called electronic vaporization devices. These devices usually contain a liquid, and the liquid is heated and vaporized to generate inhalable vapor or aerosols.
  • the liquid may contain nicotine and/or aromatics and/or aerosol generating substances (such as glycerol).
  • An electronic vaporization device usually uses a porous ceramic body as a capillary liquid guide element for absorbing liquid substrates to absorb a liquid substrate, and heats at least a part of the liquid substrate in the porous ceramic body through a heating element arranged on a vaporization surface of the porous ceramic body to generate an aerosol.
  • the vaporization surface of the porous ceramic body faces away from a suction nozzle end of the electronic vaporization device.
  • An embodiment of this application provides a vaporizer configured to vaporize a liquid substrate to generate an aerosol, including:
  • a surface of a liquid absorbing element close to the suction port serves as a vaporization surface, so that the vapor output efficiency is higher.
  • the conductive element elastically abuts against the heating element.
  • the electrical contact is flush with a surface of the vaporizer.
  • the conductive element includes a first part and a second part; the first part abuts against the heating element to form a conductive connection; and at least a part of the second part extends or is exposed outside the vaporizer to form the electrical contact.
  • the first part is curved or bent.
  • the conductive element is formed by bending a sheet metal substrate.
  • the vaporizer further includes: a support, configured to accommodate and maintain the liquid guide element.
  • the support is formed by molding a moldable material around the conductive element and coupled to the conductive element.
  • a liquid guide channel is formed on the support, and the liquid guide element is in fluid communication with the liquid storage cavity through the liquid guide channel.
  • the liquid guide channel includes a liquid inlet part extending along a longitudinal direction of the vaporizer, and a liquid outlet part extending along a direction intersecting with the longitudinal direction of the vaporizer; and the liquid inlet part is in communication with the liquid storage cavity, and the liquid outlet part is in communication with the liquid guide element.
  • the vaporizer further includes: a vapor output channel, configured to output the aerosol to the suction port, the vapor output channel including a hole formed in the support, and a projection of the vaporization surface along a longitudinal direction of the vaporizer covering the hole.
  • the support includes a supporting leg extending along a longitudinal direction of the vaporizer, and the vaporizer maintains the support through the supporting leg.
  • the conductive element at least partially covers a surface of the supporting leg.
  • the liquid guide element includes a liquid channel extending along a length direction, and is in fluid communication with the liquid storage cavity through the liquid channel.
  • the liquid guide element includes a first side and a second side which are opposite along the length direction; and the conductive element is provided with an avoiding hole opposite to the liquid channel.
  • a sealing element is arranged between the liquid guide element and the support.
  • the support is provided with an air inlet channel; and the air inlet channel has an air inlet end and an air outlet end, and the air outlet end faces the vaporization surface.
  • the conductive element is at least partially suspended, and the suspended part abuts against the heating element to form electric conduction.
  • the conductive element is constructed to cross the liquid guide element along a longitudinal direction of the vaporizer.
  • the vaporizer further includes a support assembly, and the support assembly includes:
  • the conductive element is at least partially molded on the second support.
  • the conductive element extends out through the blocking wall, so that the blocking wall plays a role in supporting the conductive element.
  • the support side wall of the first support is provided with a through hole higher than the first matching surface;
  • the conductive element includes a first part extending in the second support and a second part bent towards the through hole relative to the first part; and the second part extends into the first support by the through hole for conductive connection with the heating element arranged on the liquid guide element.
  • An embodiment of this application further provides an electronic vaporization device, including a vaporizer configured to vaporize a liquid substrate to generate an aerosol, and a power supply assembly configured to supply power to the vaporizer.
  • the vaporizer includes the vaporizer as described above.
  • An embodiment of the present invention provides an electronic vaporization device 300.
  • a structure of the electronic vaporization device 300 includes: a vaporizer 100 configured to store a liquid substrate and vaporize the liquid substrate to generate an aerosol; and a power supply assembly 200 configured to supply power to the vaporizer 100.
  • the liquid substrate may be a liquid, such as tobacco tar, liquid medicine, or the like.
  • the liquid substrate may also be referred to as a liquid
  • evaporation may also be referred to as vaporization
  • the aerosol may also be referred to as vapor, mist or vaporized gas.
  • the power supply assembly 200 includes a receiving cavity 270, arranged on an end along a longitudinal direction and configured to receive and accommodate at least a part of the vaporizer 100, and a first electrical contact 230, at least partially exposed to an inner surface of the bottom of the receiving cavity 270 and configured to be electrically connected to the vaporizer 100 to supply power to the vaporizer 100 when at least a part of the vaporizer 100 is received and accommodated in the power supply assembly 200.
  • a second electrical contact 64 is arranged on an end of the vaporizer 100 opposite to the power supply assembly 200 along a longitudinal direction, so that when the at least a part of the vaporizer 100 is received in the receiving cavity 270, the second electrical contact 64 become conductive through being in contact with and abutting the first electrical contact 230.
  • a sealing member 260 may be arranged in the power supply assembly 200, and at least a part of an internal space of the power supply assembly 200 is separated by the sealing member 260 to form the receiving cavity 270.
  • the sealing member 260 is configured to extend along a cross section direction of the power supply assembly 200 and is prepared from a flexible material, so as to prevent the liquid substrate seeping from the vaporizer 100 to the receiving cavity 270 from flowing to components such as a controller 220 and a sensor 250 inside the power supply assembly 200.
  • the power supply assembly 200 may further include a battery cell 210 close to another end relative to the receiving cavity 270 along the longitudinal direction for supplying power; and a controller 220 arranged between the battery cell 210 and an accommodating cavity and operable to guide a current between the battery cell 210 and the first electrical contacts 230.
  • the power supply assembly 200 may further include a sensor 250 configured to sense the suction air generated by the vaporizer 100 during suction, so that the controller 220 controls the battery cell 210 to output a current to the vaporizer 100 based on a detection signal of the sensor 250.
  • a charging interface 240 is arranged on another end of the power supply assembly 200 facing away from the receiving cavity 270, and is configured to charge the battery cell 210 through a connection with an external charging device.
  • the vaporizer 100 may mainly include: a liquid accommodating space 91, configured to store a liquid substrate; and a vaporization core assembly 10A, configured to absorb the liquid substrate from the liquid accommodating space 91 by capillary infiltration, and heat and vaporize the liquid substrate to generate an aerosol for suction.
  • FIG. 2 to FIG. 4 show a structure of a preferred embodiment of the vaporizer 100 in FIG. 1 .
  • the vaporizer 100 has a near end 110 and a far end 120 facing away from each other in a longitudinal direction.
  • the near end 110 is used as an end for a user to inhale
  • the far end 120 is used as an end received in the receiving cavity 270.
  • a specific external structure of the vaporizer 100 includes a main housing 90, and the main housing 90 is roughly constructed into a hollow cylinder, and is provided with a suction port 94 located on the near end 110, and an opening located on the far end 120, and thus it is convenient to assemble functional components inside the main housing 90 through the opening.
  • the vaporizer 100 may include the main housing 90 and a vaporization core assembly 10A.
  • the vaporization core assembly 10A is in matched connection with the main housing 90 through a buckle 573 and a slot 93.
  • the buckles 573 may be arranged on two opposite outer sides of the vaporization core assembly 10A, and the slots 93 may be arranged on two opposite inner sides of the main housing 90, so that during assembly, each buckle 573 may be clamped in each corresponding slot 93 to achieve the installation and connection of the vaporization core assembly 10A and the main housing 90.
  • the vaporization core assembly 10A and the main housing 90 may be connected through a binder or may also be connected in a detachable connection manner.
  • the main housing 90 defines a liquid accommodating space 91 and is provided with a vapor output channel 92 located in the main housing 90.
  • the liquid accommodating space 91 may be enclosed by an inner surface of the main housing 90, an outer surface of the vapor output channel 92, and an upper surface of the vaporization core assembly 10A. Since the main housing 90 defines the liquid accommodating space 91, the main housing 90 may also be referred to as a vaporization chamber, a tar chamber, or the like.
  • the vapor output channel 92 may be a vapor output tube.
  • the vapor output channel 92 may be formed at the center of the main housing 90 and extends along a longitudinal direction, and the vapor output channel and the main housing 90 may be integrally prepared by a mold.
  • a second end 923 serving as an upper end of the vapor output channel 92 forms a suction port 94, so that the aerosol generated inside the vaporizer 100 is outputted to the suction port 94.
  • a tail end of a first end 921 serving as a lower end of the vapor output channel 92 may be provided with a notch 922, and the notch 922 is formed on a tube wall of the vapor output channel 92 and may have a square projection contour. Two notches 922 may be provided and may be arranged oppositely.
  • the second end 923 of the vapor output channel 92 opposite to the first end 921 forms the suction port 94.
  • the vapor output channel 92 may be provided with a stop part 924 at a position adjacent to the first end 921.
  • the stop part 924 may be an annular step surface, which may be a transition surface between a section with a larger diameter and the first end 921 with a smaller diameter of the vapor output channel 92.
  • the section with a larger diameter may extend to the second end 923.
  • the stop part 924 is configured to be in stop fit with an upper surface of a second sealing member 70 (referring to FIG. 8 ) to define a depth of the vapor output channel 92 inserted into the second sealing member 70.
  • the vaporization core assembly 10A may include a liquid guide element 10, a heating element 20, a first sealing member 30, a supporting seat 40A, and the like.
  • the supporting seat 40A may be of a rigid structure for accommodating and supporting the liquid guide element 10, the heating element 20 and the first sealing member 30, so that the vaporization core formed by the liquid guide element 10 and the heating element 20 is stably maintained in the main housing 90. Since the supporting seat 40A is mainly configured to support the vaporization core, the supporting seat 40A may also be referred to as a vaporization core support assembly.
  • the liquid guide element 10 may include a vaporization surface 11 and a liquid absorbing surface 12 facing away from the vaporization surface 11.
  • the liquid guide element 10 may be prepared from a material having capillary channels or pores, for example, a hard or rigid capillary structure such as fiber cotton, a porous ceramic body, a fiberglass rope, porous glass ceramic, or porous glass.
  • the liquid guide element 10 is in fluid communication with the liquid accommodating space 91 to absorb the liquid substrate conveyed from the liquid accommodating space 91.
  • the vaporization surface 11 of the liquid guide element 10 may be an upper surface facing the vapor output channel 92, and the upper surface is preferably a plane extending along a cross section of the main housing 90.
  • the heating element 20 is arranged on the vaporization surface 11, and is configured to heat at least a part of the liquid substrate absorbed by the liquid guide element 10 during electrification to generate an aerosol and release the aerosol escaped from the vaporization surface 11 into the vapor output channel 92.
  • the heating element 20 may be formed on the vaporization surface 11 of the liquid guide element 10 in a manner of mounting, printing, deposition, or the like.
  • the heating element 20 may be made of a material such as stainless steel, nickel chromium alloy, iron chromium aluminum alloy, or metal titanium.
  • the heating element 20 is a conductive trajectory in a winding or circuitous pattern, and may include conductive terminals 21 on both ends.
  • the conductive terminal 21 may be in the form of a gasket, which may be square, circular, elliptical, or the like.
  • the first sealing member 30 may be located between the liquid guide element 10 and the support side wall 44 of the supporting seat 40A to seal and isolate the vaporization surface 11 and the liquid absorbing surface 12. That is, the liquid provided by the liquid accommodating space 91 may only enter the liquid guide element 10 through the liquid absorbing surface 12 and is then conveyed to the vaporization surface 11.
  • the first sealing member 30 may be roughly cup-shaped, so that the liquid guide element 10 may be accommodated in a recess of the cup-shaped first sealing member 30.
  • the first sealing member 30 may be provided with a first open end 31, a first closed end 32 opposite to the first open end 31, and a sealing member side wall 33 extending from the first closed end 32 to the first open end 31. Multiple sealing member side walls 33 may be provided.
  • a first sealing member 30 in a roughly cubic shape may include four sealing member side walls 33.
  • the first sealing member 30 is enclosed by the sealing member side wall 33 and the first closed end 32 to form an accommodating space for accommodating the liquid guide element 10 and exposing the vaporization surface 11.
  • the vaporization surface 11 may be roughly flush with the first open end 31 so as to be exposed towards the outside of the first sealing member 30.
  • the first sealing member 30 is further provided with a liquid inlet 34 on the sealing member side wall 33, so that the liquid absorbing surface 12 is in communication with the outside through the liquid inlet 34 and is then communicated to the liquid accommodating space 91 during assembly.
  • the liquid guide element 10 may be roughly in a flat shape and is supported in the first sealing member 30 through a supporting structure, so that the liquid absorbing surface 12 of the liquid guide element 10 is in communication with the outside through the liquid inlet 34.
  • the first sealing member 30 may be made of a silicone sealant material.
  • the other five surfaces of the liquid guide element 10, except for the vaporization surface 11 may be enveloped by the first sealing member 30 to prevent the liquid absorbed by the liquid guide element 10 from leaking from these surfaces, so that the anti-leakage effect is better.
  • the sealing member side walls 33 of the first sealing member 30 are provided with the liquid inlet 34, the parts of these sealing member side walls 33, except for the liquid inlets 34, may still play a sealing role to achieve the anti-leakage effect.
  • two liquid inlets 34 may be provided.
  • two opposite sealing member side walls 33 of the first sealing member 30 are respectively provided with one liquid inlet 34. This can promote a constant supply of the liquid to the liquid guide element 10.
  • the sealing member side wall 33 of the first sealing member 30 without the liquid inlet 34 completely covers the corresponding side surface of the liquid guide element 10. This can achieve sealing for gases and liquids, such as avoiding leakage of liquids from these corresponding side surfaces to the outside, absorption of external water vapor, and the like.
  • the first sealing member 30 may be in a cuboid shape, so the two liquid inlets 34 may be formed in two opposite sealing member side walls 33 in a length direction of the first sealing member 30.
  • two opposite sealing member side walls 33 in a width direction of the first sealing member 30 remain intact without holes.
  • the sealing member side walls 33 of the first sealing member 30 may be provided with a closed annular convex rib 37 surrounding the first sealing member 30 along a circumferential direction.
  • the convex rib 37 can closely abut against an inner wall of the supporting seat 40A, thereby stably sealing a gap between the first sealing member 30 and the supporting seat 40A to prevent liquid leakage.
  • the first open end 31 of the first sealing member 30 may be located in a plane, for example, aligned with the vaporization surface 11.
  • the convex rib 37 may be arranged adjacent to the first open end 31.
  • the first open end 31 of the first sealing member 30 may be provided with a concave end surface.
  • top ends of the two opposite sealing member side walls 33 in the width direction of the first sealing member 30 are respectively provided with a concave notch, which may easily expose parts of the two side surfaces of the liquid guide element 10 accommodated in the first sealing member 30, thereby facilitating the extraction of the liquid guide element 10 from the first sealing member 30.
  • the convex rib 37 may be arranged adjacent to the first open end 31 with a concave end surface, so that the convex rib 37 is no longer located in the same plane.
  • the supporting seat 40A may accommodate the liquid guide element 10, the heating element 20 and the first sealing member 30; and the supporting seat 40A is in matched connection with the main housing 90, so that the vaporization surface 11 of the liquid guide element 10 faces the vapor output channel 92.
  • the heating element 20 on the vaporization surface 11 When the vaporization surface 11 of the liquid guide element 10 is arranged to face the vapor output channel 92, since the vaporization surface 11 is arranged facing away from the power supply assembly 200 and facing the suction port 94, the heating element 20 on the vaporization surface 11 generates heat, the liquid on the vaporization surface 11 absorbs the heat and is vaporized, and the generated vapor does not need to pass through the liquid guide element 10, but directly enters a suction channel of the vapor output channel 92 and reaches the suction port 94 to be sucked by the user, so as to reduce the loss generated by the vapor passing through the vaporization core, ensure that sufficient vapor is effectively absorbed by the user in a unit time, and further increase the effective vapor generated by the electronic vaporization device 300 in a unit time.
  • a distance between the vaporization surface 11 and the suction port 94 is relatively small, so a path of the vapor flowing to the suction port 94 is the shortest, which can also reduce the loss of the vapor in the suction channel to further ensure the effective vapor generated by the electronic vaporization device 300 in a unit time.
  • the liquid guide element 10 may include a first wall part 13 where the vaporization surface 11 is located and two second wall parts 14 extending from both sides of the first wall part 13 away from the vaporization surface 11 respectively, and the surface of the first wall part 13 between the two second wall parts 14 forms at least a part of the liquid absorbing surface 12.
  • the two second wall parts 14 may be of supporting structures simply, or structures with the same material as the liquid guide element 10, so that the liquid guide element 10 may be supported in the first sealing member 30, and a liquid guide effect may be achieved. In other words, opposite inner surfaces of the two second wall parts 14 may also serve as a part of the liquid absorbing surface 12.
  • liquid channel 17 which extends horizontally is defined between the two second wall parts 14. After assembly, the liquid channel 17 extends from one liquid inlet 34 of the first sealing member 30 to another liquid inlet 34 and is in communication with the liquid inlet 34. During use, the liquid substrate flowing from liquid inlet channel 41 formed in the side wall of the supporting seat 40A enters the liquid channel 17 and is then absorbed by capillary channels in the liquid guide element 10.
  • the two second wall parts 14 may be connected at tail ends away from the first wall part 13 through a connecting wall 15.
  • the connecting wall 15 By using the connecting wall 15, the structural strength of the entire liquid guide element 10 can be enhanced.
  • the connecting wall 15 and the two second wall parts 14 are made of the same porous material as the first wall part 13, the connecting wall 15 may also play a liquid guide role, which can absorb the liquid and convey the liquid to the first wall part 13 through the second wall parts 14.
  • the connecting wall 15 may only be connected to parts of the tail ends of the two second wall parts 14. For example, a length of the connecting wall 15 may be about 1/3 of a length of the first wall part 13.
  • the connecting wall 15 may be connected to the entire tail ends of the two second wall parts 14.
  • the connecting wall 15 may extend in a length direction, and may be connected to the entire tail ends of the two second wall parts 14 located in an extension direction of the connecting wall 15.
  • a through hole extending along a length direction of the liquid guide element 10 may be arranged below the vaporization surface 11 of the liquid guide element, so that a wall surface of the through hole is used as the liquid absorbing surface 12.
  • the through hole may be a hole penetrating along the length direction of the liquid guide element 10, or a blind hole that starts from both ends of the liquid guide element 10 and ends in a middle position of the liquid guide element 10.
  • the connecting wall 15 may be arranged parallel to the first wall part 13.
  • both sides of each second wall part 14 may transition to the tail end of the second wall part 14 through an arc surface 16.
  • chamfer shapes may be set on both sides of each second wall part 14, which facilitates the assembly of the liquid guide element 10 into the first sealing member 30.
  • the first sealing member 30 may be provided with a guide groove 35 extending from the liquid inlet 34 into the first sealing member 30.
  • the guide groove 35 it is beneficial to guide the liquid in the liquid accommodating space 91 into the first sealing member 30 by capillary action, so as to avoid the liquid from staying at the liquid inlets 34.
  • the liquid guide element 10 has gas exchange performance, external gas may enter the liquid channel 17 under the action of gas pressure difference and flow to the liquid accommodating space 91 through the liquid inlet 34, and then, the external gas will encounter with the liquid inputted through the liquid accommodating space 91 at the liquid inlet 34, which causes the liquid to stay at the liquid inlets 34.
  • the guide groove 35 can avoid the staying.
  • the guide groove 35 may be defined by two strip bodies 36 protruding upwards from the first closed end 32 of the first sealing member 30.
  • the two strip bodies 36 may extend to abut against the connecting wall 15 of the liquid guide element 10 assembled in the first sealing member 30.
  • three or more strip bodies 36 may be provided, and every two adjacent strip bodies 36 define one guide groove.
  • the side wall of the supporting seat 40A may be provided with liquid inlet channels 41, and the liquid inlet channels 41 are respectively in communication with the liquid accommodating space 91 and the liquid absorbing surface 12 of the liquid guide element 10.
  • the liquid inlet channel 41 may include a first part which extends along a longitudinal direction and is in communication with the liquid accommodating space 91, and a second part which is in communication with the liquid guide element 10.
  • the second part may be horizontal or oblique downwards from the first part to the liquid guide element 10, and the obliquely arranged second part is more beneficial to guide the liquid substrate to flow to the liquid guide element 10.
  • two liquid inlet channels 41 may be provided and may be respectively arranged on both sides of the supporting seat 40A.
  • the cross section of the supporting seat 40A may be square, circular, elliptical, or the like. Moreover, even if the cross section of the supporting seat 40A is circular or elliptical, four side parts may still be divided. For example, for the elliptical supporting seat 40A shown in FIG. 8 , two sides in a length direction may be considered as two opposite sides, two sides in a width direction may be considered as the other two opposite sides, and the two liquid inlet channels 41 are respectively arranged in the two opposite sides in the length direction.
  • the liquid such as tobacco liquid may enter the liquid guide element 10 through the liquid inlet channel 41 and is guided upwards to the vaporization surface 11 of the liquid guide element 10 for vaporization through capillary action, the vaporization volume of tobacco tar is completely supplied through capillary action, and the liquid will not leak downwards during the intermediate process, so the anti-leakage effect is better.
  • the supporting seat 40A may be provided with a conductive element 60.
  • Two conductive elements 60 may be provided.
  • Each conductive element 60 may include a first part 61 at least partially extending in the supporting seat 40A and a second part 62 bent relative to the first part 61 towards the heating element 20 on the liquid guide element 10 in the supporting seat 40A.
  • the second part 62 may be configured to be in abutting contact with the conductive terminal 21 of the heating element 20 to achieve conductive connection.
  • At least the second part 62 of the conductive element 60 extends or is exposed outside the supporting seat 40A, and an electrical contact 63 for supplying power to the heating element 20 is formed.
  • the first part 61 of the conductive element 60 may further include a second electrical contact 64.
  • the part in a vertical direction of the first part 61 and the second part 62 may have a same width, and the part in a horizontal direction of the first part 61 (that is, the part provided with the second electrical contact 64) may have a slightly larger width.
  • At least a part of the first part 61 of the conductive element 60 may be molded in the supporting seat 40A, and the second electrical contact 64 is exposed from the bottom of the supporting seat 40A, thereby facilitating the conductive connection with the power supply assembly 200.
  • the conductive element 60 is at least partially buried or embedded into the supporting seat 40A.
  • the conductive element 60 and the supporting seat 40A may be integrally prepared through moldable methods such as in-mold injection molding or hot press molding.
  • the conductive element 60 may be formed by bending a sheet metal substrate.
  • the conductive element 60 may be made of low-resistivity and high-conductivity metal or alloy materials such as gold, silver and copper to guide a current between the power supply assembly 200 and the heating element 20 during use, thereby supplying power to the heating element 20.
  • At least a part of a lower end of the conductive element 60 may be formed into the second electrical contact 64 through stamping deformation, and at least a part of an upper end of the conductive element 60 may be in a bent shape to form an elastic first electrical contact 63 which is conductively connected to the heating element 20, thereby ensuring stable conductive contact with the heating element 20.
  • the surface of the second electrical contact 64 may be flush with the surface of the far end 120 forming the vaporizer 100.
  • the elastic first electrical contact 63 may include a bent V shape or U shape in the figure.
  • the supporting seat 40A may define a first accommodating space 45 and a second accommodating space 51 which are separated by a separating plate 431.
  • An air inlet path is formed between the first accommodating space 45 and the second accommodating space 51, and the air inlet path is configured to guide and convey the air in the second accommodating space 51 to the vicinity of the vaporization surface 11 located in the first accommodating space 45.
  • the first accommodating space 45 accommodates the liquid guide element 10, causing the vaporization surface 11 to face away from the second accommodating space 51 and face the vapor output channel 92.
  • the supporting seat 40A may be provided with an open end, and the side wall of the supporting seat 40A located between the vaporization surface 11 and the open end and the vaporization surface 11 define a vaporization cavity.
  • the air inlet path may be at least partially defined by an air inlet groove 47 on the supporting seat 40A, and the air inlet groove 47 may end at an air inlet 471.
  • the air can sequentially flow through the second accommodating space 51 and the air inlet groove 47, and may be conveyed to the vaporization surface 11 of the liquid guide element 10 in the supporting seat 40A through the air inlet 471.
  • the supporting seat 40A may be made into an integrated structure or formed by combination of separate structures.
  • the supporting seat 40A may also be provided with an air inlet tube 52, and the air inlet tube 52 is in communication with the second accommodating space 51 through a plurality of through holes 53.
  • the air inlet tube 52 may extend upwards from the bottom of the supporting seat 40A to the second accommodating space 51.
  • the plurality of through holes 53 may be formed in an end wall 54 of the air inlet tube 52.
  • the end wall 54 is higher than the bottommost position of the second accommodating space 51 and lower than the separating plate 431. In this way, the part of the second accommodating space 51 in an outside direction of the air inlet tube 52 is actually formed into an anti-leakage container.
  • the liquid will be accommodated by the second accommodating space 51 and will not leak to the outside of the vaporizer 100.
  • At least one of a bottom surface and a side surface of the second accommodating space 51 may also be provided with a plurality of leaking liquid storage grooves 55.
  • These leaking liquid storage grooves 55 may be recessed from the bottom surface and/or the side surface of the second accommodating space 51, or may be defined by a plurality of convex strips arranged on the bottom surface and/or the side surface of the second accommodating space 51.
  • the supporting seat 40A may include a first support 40 and a second support 50 which are in matched connection.
  • the separating plate 431, the air inlet 471 and the first accommodating space 45 are formed on the first support 40.
  • the second accommodating space 51 is formed on the second support 50.
  • the first support 40 may be provided with a second open end 42, a second closed end 43 opposite to the second open end 42, and a support side wall 44.
  • the support side wall 44 and the second closed end 43 at least define the first accommodating space 45.
  • the liquid guide element 10 is configured to be placed from the second open end 42 into the first accommodating space 45 from top to bottom, so that the liquid guide element 10 is accommodated by the first accommodating space 45, and the vaporization surface 11 faces the second open end 42.
  • the support side wall 44 located between the vaporization surface 11 and the second open end 42 of the first accommodating space 45 and the vaporization surface 11 define a vaporization cavity.
  • the vaporization cavity is a cavity where the heating element 20 on the vaporization surface 11 is located.
  • the second closed end 43 of the first support 40 can prevent the liquid absorbed by the liquid guide element 10 from leaking downwards, so that the anti-leakage effect is better.
  • the support side walls 44 are provided with the liquid inlet channel 41, and the liquid inlet channel 41 is configured to be in communication with the liquid inlet 34 formed in the first sealing member 30 so as to be in communication with the liquid absorbing surface 12 of the liquid guide element 10.
  • the liquid inlet channel 41 is configured to be in communication with the liquid inlet 34 formed in the first sealing member 30 so as to be in communication with the liquid absorbing surface 12 of the liquid guide element 10.
  • two opposite support side walls 44 of the first support 40 may be respectively provided with one liquid inlet channel 41.
  • the channel surface of each liquid inlet channel 41 may be provided with a guide groove 46 ending on an inner surface of the support side wall 44, and the guide groove 46 is concave relative to an adjacent channel surface.
  • the guide groove 46 is configured to be aligned and communicated with the guide groove 35 of the first sealing member 30 installed in the first support 40, so that the liquid in the liquid accommodating space 91 may be guided into the first sealing member 30 through capillary action and then soaked and absorbed by the liquid guide element 10.
  • the guide groove 46 may be formed in a channel surface in any direction of the liquid inlet channel 41, preferably in a bottom channel surface, so that the liquid first flows into the first sealing member 30 through the bottom under the action of gravity.
  • the liquid inlet channel 41 of the support side wall 44 may start from the second open end 42, and may face the second closed end 43 and extend to the vaporization surface 11 lower than the liquid guide element 10.
  • the foregoing air inlet groove 47 may be arranged on the first support 40, for example, on an outer surface of the support side wall 44.
  • the air inlet groove 47 may start from the second closed end 43 and end at the air inlet 471.
  • the air inlet 471 is formed to penetrate from the outer surface of the support side wall 44 to the vaporization cavity.
  • the air inlet 471 is closer to the second open end 42 relative to the vaporization surface 11. In other words, when taking the second open end 42 as a reference, the air inlet 471 is closer to the second open end 42 than the vaporization surface 11, so that the air inlet 471 is higher than the vaporization surface 11 of the liquid guide element 10 accommodated in the first accommodating space 45.
  • the air inlet 471 may be located between the vaporization surface 11 and the second open end 42 and is closer to the vaporization surface 11, so that the air inlet 471 may be located above the vaporization surface 11 of the liquid guide element 10 accommodated in the first accommodating space 45 (including: the air inlet 471 is higher than the vaporization surface 11; and the lowest part of the air inlet 471 is flush with the vaporization surface 11).
  • the air inlet groove 47 is configured to convey the air through the air inlet 471 to a space above the vaporization surface 11, that is, to the vaporization cavity.
  • the liquid can be prevented from leaking from the vaporization surface 11 into the air inlet groove 47 through the air inlet 471.
  • the air inlet 471 may be provided with an air guide structure, and the air guide structure is configured to guide the air from the air inlet path to the vaporization surface 11.
  • the air guide structure may include an inclined plane 472 formed on the first support 40 of the supporting seat 40A and inclined relative to the vaporization surface 11. In a direction from the outer surface to the inner surface of the support side wall 44, the inclined plane 472 may gradually incline downwards to become closer to the vaporization surface 11. Thus, when the air is conveyed from the air inlet groove 47 to the air inlet 471, the air may be guided by the inclined plane 472 towards the vaporization surface 11.
  • the outer surface of the support side wall 44 may be provided with a buffered liquid storage groove 48, and the buffered liquid storage groove 48 is in communication with the vaporization cavity.
  • the buffered liquid storage groove 48 may be in communication with the space above the vaporization surface 11 through an overflow port 481 formed in the support side wall 44, that is, in communication with the vaporization cavity.
  • the first side of the first support 40 is provided with one first air inlet groove 47 and two first buffered liquid storage grooves 48.
  • the first air inlet groove 47 is located between the two first buffered liquid storage grooves 48, and the air inlet 471 of the first air inlet groove 47 is located between the overflow ports 481 of the two first buffered liquid storage grooves 48.
  • the first side of the first support 40 may be half of the side of the first support 40, and the half of the side is located on one side of a central axis surface passing through two opposite liquid inlet channels 41.
  • a second side of the first support 40 may also be provided with one second air inlet groove 47 and two second buffered liquid storage grooves 48.
  • the second air inlet groove 47 is located between the two second buffered liquid storage grooves 48, and the air inlet 471 of the second air inlet groove 47 is located between the overflow ports 481 of the two second buffered liquid storage grooves 48.
  • one of the two first buffered liquid storage grooves 48 may be in communication with one of the two second buffered liquid storage grooves 48.
  • the other one of the two first buffered liquid storage grooves 48 may be in communication with the other one of the two second buffered liquid storage grooves 48.
  • the second side of the first support 40 may be the other half of the side of the first support 40, and the other half of the side is located on the other side of the central axis surface passing through two opposite liquid inlet channels 41.
  • the part of the first support 40, lower than the air inlet 471 or the vaporization surface 11, is actually formed into a container that is impermeable to the liquid.
  • the liquid in the container can be prevented from leaking downwards, so the anti-leakage effect is better.
  • the air inlet groove 47 and the buffered liquid storage groove 48 may be separated by a separating part 442 to prevent the liquid in the buffered liquid storage groove 48 from entering the air inlet groove 47.
  • the buffered liquid storage groove 48 may be a capillary groove.
  • the buffered liquid storage groove 48 can adsorb and maintain a condensate of the aerosol generated by the vaporizer 100 to prevent the condensate from seeping outwards.
  • the air inlet groove 47 is located between two buffered liquid storage grooves 48, the gas enters the vaporization surface 11 of the liquid guide element 10 from the middle air inlet groove 47.
  • the condensate can be squeezed by the incoming gas towards the overflow ports 481 on both sides, and enters the buffered liquid storage grooves 48 from the overflow ports 481 on both sides, thereby effectively preventing the condensate from flowing from the air inlet groove 47 into the second support 50 and flowing outwards.
  • a length of the buffered liquid storage groove 48 may be set to be greater than a circumference of the first support 40.
  • the buffered liquid storage groove 48 may adopt a circuitous and communicated slot structure, thereby forming a longer buffered liquid storage groove 48 on the outer surface of the first support 40.
  • the buffered liquid storage groove 48 may include a plurality of horizontal slots, and two adjacent slots may be communicated through a vertical slot.
  • these vertical slots may be arranged to be not aligned in a vertical direction to allow the liquid to sequentially flow from the overflow ports 481 from the closer horizontal slot to the farther horizontal slot as much as possible.
  • the overflow port 481 may be arranged to be higher than the vaporization surface 11 of the liquid guide element 10 accommodated in the first accommodating space 45.
  • the first support 40 may be in matched connection with the main housing 90, so that the vaporization surface 11 of the liquid guide element 10 accommodated in the first support 40 faces the vapor output channel 92, and the vaporization surface 11 is in airflow communication with the first end 921 serving as the lower end of the vapor output channel 92.
  • the first support 40 may be completely located in the main housing 90, and an outermost contour surface of the first support 40 is in basically matched contact with an inner side surface of the main housing 90.
  • the inner side surface of the main housing 90 may be configured to seal lateral openings of the air inlet groove 47 and the buffered liquid storage groove 48 on the first side of the first support 40, and seal a lateral opening of the buffered liquid storage groove 48 on the second side of the first support 40.
  • the lateral opening of the air inlet groove 47 on the second side of the first support 40 may be sealed through the second support 50.
  • the foregoing conductive element 60 may be arranged on the second support 50.
  • the conductive element 60 may be molded on the second support 50.
  • the support side wall 44 of the first support 40 may be provided with a first matching surface 443.
  • the first matching surface 443 may be configured to be in stop fit with the second support 50.
  • the second support 50 may include a main part 57 and a blocking wall 56, and the blocking wall 56 may be higher than the main part 57 and the second accommodating space 51 defined by the main part 57.
  • the blocking wall 56 is arranged on one side of the second support 50.
  • the blocking wall 56 is configured to be in matched connection with the first support 40.
  • the separating plate 431 of the first support 40 may cover the second accommodating space 51.
  • a top surface 571 of the main part 57 and a bottom surface 432 of the second closed end 43 of the first support 40 are slidable relatively, so that the first matching surface 443 is in stop fit with the blocking wall 56. In this way, the first support 40 may be assembled to the second support 50 by transverse movement.
  • the main part 57 of the second support 50 may be provided with an annular groove 572, and a sealing ring 59 is arranged in the annular groove 572.
  • the sealing ring 59 may be made of a silicone sealant material.
  • the sealing ring 59 is configured to form a seal between the main part 57 and the main housing 90 to prevent the liquid from passing through.
  • a magnetic attraction component 58 may be arranged in the second support 50.
  • the magnetic attraction component 58 may be prepared from a ferromagnetic material such as stainless steel, so that after being received in the receiving cavity 270, the vaporizer 100 may be magnetically attracted to a magnetic attraction element arranged on the power supply assembly 200 to stably receive the vaporizer 100 in the receiving cavity 270.
  • the magnetic attraction component 58 may be inserted into an installation hole 581 on the second support 50, and a lower end of the magnetic attraction component 58 is flush with a lower end of the second support 50.
  • the support side wall 44 of the first support 40 may have a vacant part 444, and the vacant part 444 forms the first matching surface 443.
  • a thickness of one side may become thinner relative to the other side so as to form the vacant part 444, and the vacant part 444 can be configured to accommodate the blocking wall 56 of the second support 50.
  • first matching surfaces 443 may further include a positioning groove 445, and the blocking wall 56 may also be provided with a positioning block 561.
  • the positioning block 561 is inserted into the positioning groove 445 to limit the first support 40 to move in a direction away from the second support 50.
  • the positioning groove 445 may be a groove extending horizontally on the first matching surface 443.
  • the positioning block 561 is also horizontally arranged.
  • a cross section of the blocking wall 56 may be semi-annular.
  • the cross section of the main part 57 may be annular, such as circular or elliptical, and the blocking wall 56 may be a part extending upwards from one side of the central axis surface of the main part 57.
  • the semi-annular blocking wall 56 may form a semi-enclosed structure to cooperate with the support side wall 44 of the first support 40.
  • One of the foregoing air inlet grooves 47 may be defined between the first support 40 and the second support 50, for example, at least formed between the blocking wall 56 of the second support 50 and the first support 40.
  • the air inlet groove 47 may be arranged on the outer surface of the support side wall 44 of the first support 40, and the position of the blocking wall 56 corresponding to the air inlet groove 47 may be a surface capable of covering the lateral opening of the air inlet groove 47.
  • the lateral opening of the air inlet groove 47 is covered by the blocking wall 56, so that the gas can only flow to the air inlet 471 of the air inlet groove 47 through a bottom opening of the air inlet groove 47, and will not flow outwards from a middle part of the air inlet groove 47.
  • the conductive element 60 extends through the blocking wall 56, so that the blocking wall 56 plays a role in supporting the conductive element 60. Since the conductive element 60 may be made of sheet metal, in case of a longer length, the movement amplitude is larger due to insufficient strength. As a result, the first part 61 of the conductive element 60 may be fixed by the support of the blocking wall 56, thereby preventing excessive transverse movement of the second part 62 during assembly, and also ensuring that the first electrical contact 63 of the second part 62 and the conductive terminal 21 have sufficient pressure.
  • the second support 50 may include a blocking wall (not shown) higher than the main part 57 and a reinforcing wall (not shown) higher than the main part 57.
  • the conductive element 60 may extend through the reinforcing wall, so that the reinforcing wall plays a role in supporting the conductive element 60.
  • the blocking wall may be a member separated from the reinforcing wall, which may only play a role in stop fit with the support side wall 44 of the first support 40.
  • the blocking wall 56 shown in FIG. 13 may be divided into at least two parts separated from each other. One part serves as the reinforcing wall, and the other part serves as the blocking wall in this another embodiment.
  • the overflow port 481 formed on the side of the first support 40 with the vacant part 444 may also serve as a through hole 481A.
  • the through hole 481A is arranged to be higher than the first matching surface 443, and is configured to insert the second part 62 of the conductive element 60.
  • the second part 62 of the conductive element 60 is bent relative to the first part 61 towards the through hole 481A.
  • the second part 62 may extend into the first support 40 by the through hole 481A for conductive connection with the heating element 20 arranged on the liquid guide element 10.
  • two through holes 481A and two conductive elements 60 may be provided.
  • the overflow port 481 and the through hole 481A herein may be the same through hole actually.
  • This through hole may not only be configured for insertion of the second part 62 of the conductive element 60, but also serve as an overflow port for the excessive liquid on the vaporization surface 11 to flow outwards.
  • the second part 62 of the conductive element 60 may only pass through the through hole 481A without contact with the through hole 481A, especially without contact with a lower surface of the through hole 481A. This can prevent the liquid from leaking outwards along the second part 62 by the through hole 481A.
  • the vaporization core assembly 10A of the vaporizer 100 may further include a second sealing member 70.
  • the second sealing member 70 may include a base part 76 and a skirted part 71 extending from the periphery of the base part 76 to one side.
  • the base part 76 may further be provided with a liquid guide hole 72 and a plug-in hole 73 as well as an installation hole 77 located between the liquid guide hole 72 and the plug-in hole 73.
  • the second sealing member 70 may be made of a silicone sealant material.
  • the second sealing member 70 is configured to sleeve the first support 40 of the supporting seat 40A, and the first support 40 of the supporting seat 40A is at least partially inserted into the main housing 90, so that the skirted part 71 of the second sealing member 70 is clamped between the first support 40 of the supporting seat 40A and the main housing 90 to form a seal, and the first end 921 of the vapor output channel 92 is configured to be inserted in the plug-in hole 73.
  • the second sealing member 70 may be provided with a non-return valve 80A, and the non-return valve 80A is configured to be opened under the action of a pressure difference.
  • the air may be introduced into the liquid accommodating space 91 through the non-return valve 80A to avoid a larger negative pressure caused by the insufficient liquid in the liquid accommodating space 91, so that the liquid is smoothly outputted from the liquid accommodating space 91 to the liquid guide element 10.
  • the non-return valve 80A may be a structure such as a duckbill valve which only allows the air to enter the liquid accommodating space 91 from the outside.
  • the vaporization surface 11 of the liquid guide element 10 may be arranged upwards, even if the liquid in the liquid accommodating space 91 leaks through the non-return valve 80A, the leaking liquid will also flow to the vaporization surface 11 and will be absorbed by the liquid guide element 10 or heated and vaporized on the vaporization surface 11.
  • an airflow guide part 75 which protrudes from a hole wall and is configured to cooperate with the notch 922 at the tail end of the vapor output channel 92 may be arranged in the plug-in hole 73.
  • the airflow guide part 75 may be arranged at the end of the plug-in hole 73 away from the vapor output channel 92.
  • the airflow guide part 75 may include two protrusions 751, and an airflow guide groove 752 is formed between the two protrusions 751. When the vapor output channel 92 is inserted into the plug-in hole 73, the airflow guide groove 752 extends for a certain distance from the outside of the vapor output channel 92 to the inside of the vapor output channel 92.
  • the condensate can be guided downwards to the vaporization surface 11 by the airflow guide groove 752 to avoid the condensate from dripping onto the vaporization surface 11 after being condensed into large droplets, which may have an adverse impact on the vaporization quality.
  • the other side of the base part 76 away from the skirted part 71 may be provided with a valve plate 78, and the valve plate 78 correspond to the installation hole 77.
  • a ventilation support 80 may be installed in the installation hole 77.
  • the ventilation support 80 may be of a rigid structure and is provided with a vent hole 81 (referring to FIG. 5 ).
  • the ventilation support 80 is installed in the installation hole 77, so that the valve plate 78 covers a port 82 of the vent hole 81.
  • the valve plate 78 is configured to seal the port 82 or open the port 82 under the action of a pressure difference to play a role of a non-return valve.
  • the second sealing member 70 and the ventilation support 80 can form a vaporizer sealing assembly which is configured to form a seal between the first support 40 and the main housing 90. Furthermore, the ventilation support 80 can play a role in reinforcing the second sealing member 70 to avoid the deformation of the second sealing member 70 due to insufficient strength when the first end 921 of the vapor output channel 92 is inserted into the plug-in hole 73.
  • a first end 781 of the valve plate 78 is connected to the base part 76, and the other parts of the valve plate 78 are separated from the base part 76.
  • the valve plate 78 may be more flexible, thereby facilitating the movement according to the action of a pressure difference.
  • the base part 76 may be provided with a connecting block 761 and a concave part 762.
  • the first end 781 of the valve plate 78 is connected to the connecting block 761.
  • the concave part 762 is located on the side of the connecting block 761 away from the first end 781 of the valve plate 78.
  • the vent hole 81 may be eccentrically arranged on the ventilation support 80, so that the vent hole 81 is closer to a second end 782 opposite the first end 781 of the valve plate 78.
  • the part where the ventilation support 80 is in contact with the valve plate 78 may be a lug boss 83, and the vent hole 81 penetrates through the lug boss 83.
  • the vent hole 81 may have a first section and a second section which are connected. The first section is close to the valve plate 78, and a cross-sectional size of the first section is less than a cross-sectional size of the second section.
  • the ventilation support 80 may include a base part 84 and an annular flange 85 protruding from a side of the base part 84.
  • the base part 84 may be a cylinder extending uniformly from bottom to top, and the cross section of the base part 84 may be square, circular or elliptical, or may be in a similar shape, especially a rectangular shape with four arc chamfers.
  • the installation hole 77 may include a first part 771 for accommodating the base part 84 and a second part 772 for accommodating the annular flange 85.
  • the annular flange 85 is in stop fit with the second part 772, which can prevent the ventilation support 80 from falling off from the second sealing member 70. Furthermore, a matching surface of the annular flange 85 and the second part 772 also forms a tortuous path in an up and down direction, which can better prevent the liquid from leaking.
  • two installation holes 77 may be provided, the plug-in hole 73 may be arranged in a center position of the base part 76, and one installation hole 77 is arranged between each liquid guide hole 72 and the plug-in hole 73.
  • the two installation holes 77 may be symmetrically arranged relative to the plug-in hole 73.
  • the two connecting blocks 761, the two concave parts 762 and the two valve plates 78 may be rotationally and symmetrically arranged with respect to the plug-in hole 73.
  • a thickness of the base part 76 where the liquid guide hole 72 is located may be less than a thickness of the base part 76 where the installation hole 77 is located.
  • an upper surface of the base part 76 may be located in a plane.
  • the end of the plug-in hole 73 away from the valve plate 78 may also be provided with a stop part 79, and the stop part 79 protrudes inwards from the plug-in hole 73 to abut against the vapor output channel 92 in the main housing 90.
  • An inner surface of the stop part 79 may be aligned with an inner surface of the vapor output channel 92. That is to say, they may be located in a cylindrical surface of a same, for example, cylinder.
  • the two protrusions 751 of the airflow guide part 75 may extend upwards from a tail end of the stop part 79. Inner surfaces of the two protrusions 751 may also be aligned with the inner surface of the vapor output channel 92. That is to say, they may be located in a cylindrical surface of a same, for example, cylinder.
  • the other side of the base part 76 away from the valve plate 78 may also be provided with a convex ridge part 763, and the convex ridge part 763 is located between the plug-in hole 73 and the installation hole 77.
  • the convex ridge part 763 may be of an arc structure arranged adjacent to the plug-in hole 73.
  • Two convex ridge parts 763 may be provided and may be arranged oppositely with respect to the plug-in hole 73.
  • a step is formed between the convex ridge part 763 and a lower surface of the base part 76, and the step can prevent the formation of a vortex during suction of the vaporizer 100.
  • an accommodating space is formed between the step and the first support 40, which can be configured to accommodate a condensate accumulated in the vaporization cavity when the vaporizer 100 is inverted, so as to prevent the condensate from flowing out of the vapor output channel 92 when the vaporizer 100 is inverted.
  • the first support 40 of the supporting seat 40A defines that a side wall of the first accommodating space 45 may be provided with a step part 441, and the step part 441 is configured to support the part of the second sealing member 70 inserted into the first accommodating space 45.
  • the second sealing member 70 can also be supported by the step part 441 to avoid the deformation of the second sealing member 70 due to the loss of support.
  • FIG. 16 shows a schematic cross-sectional view of a vaporizer 100' provided in another embodiment of the present invention.
  • the vaporizer 100' is different from the vaporizer 100 shown in FIG. 2 to FIG. 15 only in terms of the second sealing member 70, and other structures may be completely identical.
  • the vaporizer 100' may include the same liquid guide element 10, heating element 20, first sealing member 30, first support 40, second support 50, conductive elements 60 and main housing 90.
  • a second sealing member 70' in the vaporizer 100' may be different from the second sealing member 70 in the vaporizer 100 shown in FIG. 2 to FIG. 15 .
  • the second sealing member 70' and the second sealing member 70 may have different ventilation modes.
  • the second sealing member 70' may be provided with a ventilation groove 74.
  • the ventilation groove 74 is configured to be in communication with the atmosphere and the liquid accommodating space 91 in the main housing 90, so as to convey the air into the liquid accommodating space 91 under the action of a pressure difference.
  • an opening of the ventilation groove 74 facing the first support 40 is covered by the inner surface of the first support 40, so as to form a gas channel extending from a bottom side to a top side of the second sealing member 70'.
  • the ventilation groove 74 may be a capillary groove which may be a groove extending uniformly up and down on one side of the second sealing member 70'.
  • two opposite groove surfaces of the groove extending uniformly up and down may also be provided with a plurality of square or triangular concave parts 741. Due to the capillary action, the liquid from the liquid accommodating space 91 may be maintained in the ventilation groove 74. Only when a negative pressure of the liquid accommodating space 91 reaches a certain degree, the external air may enter the liquid accommodating space 91 under the action of a pressure difference.
  • FIG. 18 shows a three-dimensional schematic view of a second support 50' provided in another embodiment of the present invention.
  • the second support 50' is different from the second support 50 shown in FIG. 2 to FIG. 17 only in terms of the blocking wall 56, and other structures may be completely identical; and the second support 50' may also be applied to the vaporizer 100 shown in FIG. 2 to FIG. 17 .
  • the part of the blocking wall 56 corresponding to the second air inlet groove 47 on the second side of the first support 40 shown in FIG. 12 , may be provided with a groove 562.
  • the groove 562 may penetrate through a thickness direction of the blocking wall 56, and may be formed in a top surface 571 of a main part 57 of the second support 50'.
  • the first air inlet groove 47 formed in the first side of the first support 40 forms a first air inlet channel, and the first air inlet channel is in communication with the vaporization surface 11 of the liquid guide element 10 accommodated in the first support 40.
  • the groove 562 and the second air inlet groove 47 form a second air inlet channel together, and the second air inlet channel is also in communication with the vaporization surface 11.
  • the first air inlet channel and the second air inlet channel may have a same channel size.
  • the first air inlet channel and the second air inlet channel may have a roughly same shape, so that the air inflow on both sides of the first support 40 can remain consistent to obtain a better vaporization effect.
  • it may simply ensure that the minimum cross-sectional areas of the first air inlet channel and the second air inlet channel are the same, which can also ensure that the air inflow on both sides of the first support 40 remains consistent.
  • FIG. 19 and FIG. 20 show three-dimensional schematic views of a vaporization core assembly 10B provided in another embodiment of the present invention.
  • the vaporization core assembly 10B is different from the vaporization core assembly 10A shown in FIG. 2 to FIG. 17 only in terms of the first support 40, the second support 50 and the conductive elements 60, and other structures may be completely identical.
  • a first side of the first support 40 is provided with a first air inlet groove 47.
  • the first air inlet groove 47 is configured to form a first air inlet channel, and the first air inlet channel is in communication with the vaporization surface 11 of the liquid guide element 10 accommodated in the first support 40.
  • FIG. 19 shows three-dimensional schematic views of a vaporization core assembly 10B provided in another embodiment of the present invention.
  • the vaporization core assembly 10B is different from the vaporization core assembly 10A shown in FIG. 2 to FIG. 17 only in terms of the first support 40, the second support 50 and the conductive elements 60, and other structures may be completely identical.
  • a second side of the first support 40 is provided with a second air inlet groove 47.
  • the part of the blocking wall 56 of the second support 50, corresponding to the second air inlet groove 47, is provided with a groove 562.
  • the groove 562 and the second air inlet groove 47 form a second air inlet channel together.
  • the second air inlet channel is also in communication with the vaporization surface 11.
  • the first air inlet channel and the second air inlet channel may have a same channel size, so that the air inflow on both sides of the first support 40 may remain consistent to obtain a better vaporization effect.
  • the blocking wall 56 of the second support 50 shown in FIG. 20 is lower.
  • the side wall part defining the buffered liquid storage groove 48 on the second side of the first support 40 may be higher to form a complementary structure with the blocking wall 56.
  • the blocking wall 56 shown in FIG. 20 since the blocking wall 56 shown in FIG. 20 is lower, the part in a vertical direction of the first part 61 of the conductive element 60 on the second support 50 may be set to be wider than the second part 62, and then, the first part 61 may also play a certain supporting role to prevent excessive transverse movement of the second part 62 during assembly. It is noted that it is not necessary to set all the parts in the vertical direction of the first part 61 of the conductive element 60 to be wider, as long as a part extending from the blocking wall 56 and another part adjacent to this part and embedded in the blocking wall 56 are wider.
  • a power switch of the power supply assembly 200 may be turned on first, so that the power supply assembly 200 can supply power to the vaporizer 100. Then, when a user sucks air through a suction nozzle where the suction port 94 of the vaporizer 100 is located, the controller 220 of the electronic vaporization device 300 can start the vaporizer 100 to work according to the suction action, so as to finally generate an aerosol for the user to suck.
  • the liquid from the liquid accommodating space 91 is heated and vaporized by the heating element 20 to form the aerosol, and the external air may sequentially flow through the air inlet tube 52, the second accommodating space 51 and the air inlet groove 47 and is conveyed to the space above the vaporization surface 11 of the liquid guide element 10 in the first support 40 through the air inlet 471, so that the formed aerosol is carried out of the vapor output channel 92.
  • FIG. 21 to FIG. 26 show a structure of a preferred embodiment of a vaporizer 100c in another preferred implementation.
  • the vaporizer 100c has a near end 110c and a far end 120c facing away from each other in a longitudinal direction.
  • the near end 110c is used as an end for a user to suck
  • the far end 120c is used as an end connected to the power supply assembly 200.
  • a specific external structure of the vaporizer 100c includes:
  • the internal structure of the vaporizer 100c in FIG. 21 to FIG. 22 includes:
  • the main housing 10c is internally provided with:
  • the first sealing element 60c is provided with a first liquid guide hole 61c
  • the rigid support 50c is provided with a second liquid guide hole 51c.
  • the liquid substrate in the liquid storage cavity 12c sequentially flows through the first liquid guide hole 61c and the second liquid guide hole 51c and is then absorbed on a liquid absorbing element 31c maintained in the rigid support 50c, as shown by arrow R1 in FIG. 22 .
  • the second liquid guide hole 51c includes a liquid inlet part 511c which extends along a longitudinal direction and is in communication with the liquid storage cavity 12c, and a liquid outlet part 512c which is in communication with the liquid guide element 31c.
  • the liquid outlet part 512c has an inclined angle relative to a longitudinal direction, and the inclined angle is more conducive to guiding the liquid substrate to flow to the liquid guide element 31c.
  • the first sealing element 60c is provided with a first plug-in hole 62c for insertion of a lower end of the vapor output tube 11c
  • the rigid support 50c is provided with a second plug-in hole 52c.
  • the lower end of the vapor output tube 11c sequentially penetrates through the first plug-in hole 62c and the second plug-in hole 52c and is then stably connected to the rigid support 50c.
  • the vaporization surface of the liquid guide element 31c is opposite to and in airflow communication with the lower end of the vapor output tube 11c.
  • the liquid guide element 31c has a first side wall 310c and a second side wall 320c which are opposite to each other along a thickness direction, and a liquid channel 330c extending along a width direction defined between the first side wall 310c and the second side wall 320c.
  • the liquid substrate flowing into the liquid channel 330c from the second liquid guide hole 52c is then absorbed by capillary channels in the liquid guide element 31c, as shown by arrow R1 in FIG. 23 .
  • the liquid guide element 31c is accommodated in a second sealing element 70c and then maintained in the rigid support 50c.
  • the second sealing element 70c is roughly cup-shaped, and the liquid guide element 31c is accommodated in a recess of the cup-shaped second sealing element 70c.
  • the second sealing element 70c is provided with holes 73c opposite to the liquid channel 330c of the liquid guide element 31c on both sides along a width direction, and the liquid channel 330c is in communication with the second liquid guide hole 52c of the rigid support 50c through the hole 73c.
  • the outer wall of the second sealing element 70c is provided with a closed annular convex rib 72c surrounding the second sealing element 70c along a circumferential direction, thereby maintaining close abutting against the inner wall of the rigid support 50c to stably seal the gap between them.
  • the liquid guide element 31c is provided with conductive elements 40c on both sides along a width direction.
  • the conductive element 40c is made of low-resistivity and high-conductivity metal or alloy materials such as gold, silver and copper to guide a current between the power supply assembly 200c and the heating element 32c during use, thereby supplying power to the heating element 32c.
  • At least a part of a lower end of the conductive element 40c is formed into a second electrical contact 41c by bending, and at least a part of an upper end of the conductive element 40c is in a bent shape to form an elastic connection part 42c which is conductively connected to the heating element 32c, thereby maintaining stable conductive contact with the heating element 32c.
  • a surface of the second electrical contact 41c is flush with a surface of the end cover 20c forming the far end 120c of the vaporizer 100c.
  • the elastic connection part 42c is in a bent V shape or U shape in the figure.
  • the conductive element 40c is at least partially buried or embedded into the rigid support 50c.
  • the conductive element 40c and the rigid support 50c are integrally prepared through moldable methods such as in-mold injection molding or hot press molding.
  • the conductive element 40c is further provided with an avoiding hole 43c, so that the communication between the second liquid guide hole 51c and the hole 73c cannot be affected after molding.
  • the conductive element 40c is formed by bending a sheet metal substrate with the avoiding hole 43c. Furthermore, the conductive element 40c crosses the liquid guide element 31c along a longitudinal direction of the vaporizer 100c.
  • the elastic connection part 42c of the conductive element 40c is not connected to the rigid support 50c and thus suspended, and the suspended elastic connection part 42c abuts against the heating element 32c to form electric conduction.
  • the rigid support 50c is provided with a supporting leg 55c extending towards the supporting seat 90c, and abuts against the supporting seat 90c through the supporting leg 55c. At least a part of the conductive element 40c is formed on a side wall of the supporting leg 55c, and the second electrical contact 41c formed by bending at least a part is attached to the bottom of the supporting leg 55c.
  • the supporting seat 90c is provided with a second window 91c which is opposite to a first window 21c, so that the second electrical contact 41c attached to the bottom of the supporting leg 55 can be exposed through the second window 91c and the first window 21c.
  • a third sealing element 80c is arranged between the supporting leg 55c and the supporting seat 90c, specifically between the supporting leg 55c and the second window 91c.
  • the third sealing element 80c is in an annular shape surrounding the supporting leg 55c.
  • an outer surface of the rigid support 50c is provided with a plurality of capillary grooves 54c surrounding the rigid support 50c along a circumferential direction, and the capillary groove 54c is in communication with an air channel 53c on a side of the rigid support 50c, so as to adsorb and maintain the aerosol and condensate generated by the vaporizer 100c to prevent the aerosol and condensate from seeping outwards.
  • the supporting seat 90c is further provided with a second gas inlet hole 92c penetrating along a longitudinal direction, which is opposite to a first gas inlet hole 22c on the end cover 20c.
  • the external air sequentially flows through the first gas inlet hole 22c and the second gas inlet hole 92c along a path shown by arrow R2 in FIG. 21 , then enters the second plug-in hole 52c from the air channel 53c on the side of the rigid support 50c, and thus carries the aerosol escaped from the vaporization surface to be outputted towards the vapor output tube 11c, thereby forming a complete airflow cycle.
  • a port of the air channel 53c on the side of the rigid support 50c towards the vaporization surface is roughly or basically flush with the vaporization surface.

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EP22745129.1A 2021-01-27 2022-01-20 Atomiseur et dispositif d'atomisation électronique Pending EP4285748A1 (fr)

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CN202110113282.6A CN114794549A (zh) 2021-01-27 2021-01-27 雾化器及电子雾化装置
PCT/CN2022/073025 WO2022161254A1 (fr) 2021-01-27 2022-01-20 Atomiseur et dispositif d'atomisation électronique

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CN204292196U (zh) * 2014-09-19 2015-04-29 惠州市吉瑞科技有限公司 电子烟及其雾化器
EP3135139B1 (fr) * 2015-08-28 2024-04-10 Fontem Ventures B.V. Dispositif à fumer électronique avec embout buccal et ensemble de capsule intégré
CN209314954U (zh) * 2018-10-22 2019-08-30 常州市派腾电子技术服务有限公司 烟弹及电子烟
CN109757779B (zh) * 2019-01-30 2024-04-23 深圳麦克韦尔科技有限公司 雾化装置及其雾化器、雾化芯
CN110403253A (zh) * 2019-08-26 2019-11-05 惠州市新泓威科技有限公司 可预热烟液的电子烟雾化器
CN211910517U (zh) * 2020-01-03 2020-11-13 深圳市合元科技有限公司 雾化器及电子烟
CN214629864U (zh) * 2021-01-27 2021-11-09 深圳市合元科技有限公司 雾化芯组件、雾化器和电子雾化装置
CN214629861U (zh) * 2021-01-27 2021-11-09 深圳市合元科技有限公司 雾化器和电子雾化装置
CN214962616U (zh) * 2021-01-27 2021-12-03 深圳市合元科技有限公司 雾化器及电子雾化装置
CN214629863U (zh) * 2021-01-27 2021-11-09 深圳市合元科技有限公司 雾化芯支撑组件、雾化器和电子雾化装置
CN215075498U (zh) * 2021-01-27 2021-12-10 深圳市合元科技有限公司 雾化器密封组件、雾化器和电子雾化装置
CN215075499U (zh) * 2021-01-27 2021-12-10 深圳市合元科技有限公司 雾化芯组件、雾化器和电子雾化装置
CN214594164U (zh) * 2021-01-27 2021-11-05 深圳市合元科技有限公司 雾化芯组件、雾化器和电子雾化装置

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