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WO2025077577A1 - Dispositif d'atomisation électronique - Google Patents

Dispositif d'atomisation électronique Download PDF

Info

Publication number
WO2025077577A1
WO2025077577A1 PCT/CN2024/121082 CN2024121082W WO2025077577A1 WO 2025077577 A1 WO2025077577 A1 WO 2025077577A1 CN 2024121082 W CN2024121082 W CN 2024121082W WO 2025077577 A1 WO2025077577 A1 WO 2025077577A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
atomization device
liquid storage
electronic atomization
light source
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
PCT/CN2024/121082
Other languages
English (en)
Chinese (zh)
Inventor
苏良杰
徐中立
李永海
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 WO2025077577A1 publication Critical patent/WO2025077577A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A24F40/10—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
    • 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
    • A24F40/51—Arrangement of sensors

Definitions

  • the embodiments of the present application relate to the field of electronic atomization technology, and in particular, to an electronic atomization device.
  • Smoking articles eg, cigarettes, cigars, etc.
  • People have attempted to replace these tobacco-burning articles by creating products that release compounds without combustion.
  • An embodiment of the present application provides an electronic atomization device, comprising:
  • a liquid storage chamber used for storing a liquid matrix
  • an atomization assembly in liquid communication with the liquid storage chamber, for receiving the liquid matrix from the liquid storage chamber and atomizing the liquid matrix to generate an aerosol;
  • a support at least partially surrounding or accommodating the atomization assembly
  • the airflow sensor is arranged substantially parallel to the longitudinal direction of the electronic atomization device.
  • Battery cells used to provide electricity
  • the bracket includes a first end close to the liquid storage cavity along the longitudinal direction, and a second end away from the first end;
  • the atomizing assembly is accommodated in the bracket from the first end, and the airflow sensor is accommodated or held in the bracket from the second end.
  • a first liquid-conducting element is arranged perpendicular to the longitudinal direction of the electronic atomization device and is in fluid communication with the liquid storage chamber to absorb the liquid matrix;
  • the atomizing assembly comprises:
  • a second liquid-conducting element is configured to be arranged along the longitudinal extension of the electronic atomization device and comprises an outer surface and an inner surface opposite to each other, wherein the outer surface is arranged to indirectly absorb the liquid matrix from the liquid storage chamber from the first liquid-conducting element;
  • the bracket includes a first support portion, a second support portion, and a third support portion arranged in a longitudinal direction;
  • a first accommodating cavity is defined in the first supporting portion; the first accommodating cavity comprises a first section and a second section arranged in sequence; wherein the cross-sectional area of the first section increases in a direction away from the second supporting portion, and the cross-sectional area of the second section is substantially constant;
  • the first liquid-conducting element is arranged in the second section and avoids the first section.
  • it also includes:
  • it also includes:
  • the airflow channel defines an airflow path passing through the electronic atomization device; the airflow channel is at least partially extended around the bracket along the circumference of the bracket.
  • the elastic conductive element is arranged between the battery cell and the airflow sensor to provide a conductive connection therebetween.
  • it also includes:
  • the conductive connection is disconnected by separating from the conductive element.
  • the holding element is used to hold or fasten the conductive element and at least partially support the airflow sensor accommodated in the bracket.
  • it also includes:
  • the ventilation channel is at least partially defined on the bracket to provide a flow path for air to enter the liquid storage chamber.
  • An airflow sensor used for sensing the airflow flowing through the electronic atomization device; along the longitudinal direction of the electronic atomization device, the airflow sensor is arranged between the heating element and the battery core;
  • an elastic conductive element arranged between the battery cell and the airflow sensor to provide a conductive connection therebetween;
  • the heating element is electrically connected to the airflow sensor; and the airflow sensor is also configured to conduct current between the battery core and the heating element when airflow flows through the electronic atomization device.
  • a first liquid guiding element arranged perpendicular to the longitudinal direction of the atomizer and in fluid communication with the liquid storage chamber to absorb the liquid matrix
  • the bracket comprises a first accommodating cavity and a second accommodating cavity arranged in a longitudinal direction; the first accommodating cavity at least partially surrounds and accommodates the first liquid-conducting element, and the second accommodating cavity at least partially surrounds and accommodates the tubular element;
  • a ventilation channel is defined on the support to provide a flow path for air to enter the liquid storage chamber; the ventilation channel includes:
  • vent hole extending from the outer surface of the bracket to the inner bottom wall of the first accommodating cavity
  • the ventilation groove extends from the inner bottom wall of the first accommodating cavity to the inner side wall of the first accommodating cavity and crosses the first liquid-conducting element.
  • a liquid storage chamber used for storing a liquid matrix
  • a first liquid guiding element arranged perpendicular to the longitudinal direction of the atomizer and in fluid communication with the liquid storage chamber to absorb the liquid matrix
  • an atomizing assembly in liquid communication with the liquid storage chamber, for sucking the liquid matrix from the liquid storage chamber and atomizing it to generate an aerosol
  • the light-transmissive support at least partially surrounds or accommodates the atomizing assembly and/or the light source; at least a portion of the support is located between the light source and the liquid storage chamber to transmit the light emitted by the light source to the light-transmissive area.
  • the light emitted by the light source is visible through the light-transmitting area of the housing.
  • the bracket is used to conduct the light emitted by the light source at least partially toward the liquid storage cavity, so that the light emitted by the light source can be seen in the light-transmitting area of the housing.
  • the housing has a proximal end and a distal end that are opposite to each other in the longitudinal direction, and the light-transmitting area and/or the liquid storage cavity are close to the proximal end.
  • the inner surface of the second housing is substantially reflective.
  • it also includes:
  • An airflow sensor for sensing changes in airflow flowing through the inside of the electronic atomization device
  • the light source is configured to emit light when air flows through the electronic atomization device.
  • the airflow sensor is installed inside the bracket in a direction where the light source faces the liquid storage chamber.
  • it also includes:
  • a battery cell used to provide power to the atomization assembly and the light source
  • it also includes:
  • a battery cell used to provide power to the atomization assembly and the light source
  • the bracket includes a first end close to the liquid storage cavity along the longitudinal direction, and a second end away from the first end;
  • the first end is provided with a first opening for accommodating the atomizing assembly into the bracket, and the second end is provided with a second opening for accommodating the light source into the bracket.
  • a holding element at least partially extends from the second opening into the bracket to hold the light source.
  • it also includes:
  • a first liquid-conducting element is arranged perpendicular to the longitudinal direction of the electronic atomization device and is in fluid communication with the liquid storage chamber to absorb the liquid matrix;
  • a second liquid-conducting element is configured to be arranged along the longitudinal extension of the electronic atomization device and comprises an outer surface and an inner surface opposite to each other, wherein the outer surface is arranged to indirectly absorb the liquid matrix from the liquid storage chamber from the first liquid-conducting element;
  • the bracket includes a first support portion, a second support portion, and a third support portion arranged in a longitudinal direction;
  • the first support portion at least partially surrounds or accommodates the first liquid-conducting element
  • the second supporting portion at least partially surrounds or accommodates the second liquid-conducting element
  • a liquid storage chamber arranged near the proximal end, for storing a liquid matrix
  • an atomization assembly in liquid communication with the liquid storage chamber, for receiving the liquid matrix from the liquid storage chamber and atomizing the liquid matrix to generate an aerosol;
  • the support is at least partially located between the battery core and the liquid storage cavity, and at least partially surrounds or accommodates the light source; the support is configured to be light-transmissive so as to conduct the light emitted by the light source toward the proximal end and pass through the liquid matrix in the liquid storage cavity.
  • An airflow sensor for sensing airflow flowing through the electronic atomization device; the airflow sensor is further integrated with a light source, the light source being configured to emit light when the airflow sensor senses airflow flowing through the inside of the electronic atomization device;
  • the light-transmitting bracket is at least partially located between the airflow sensor and the liquid storage chamber, so as to transmit the light emitted by the light source to the light-transmitting area.
  • FIG2 is a schematic structural diagram of the electronic atomization device in FIG1 from another perspective
  • FIG3 is a cross-sectional schematic diagram of the electronic atomization device in FIG1 from one viewing angle
  • FIG4 is a cross-sectional schematic diagram of the electronic atomization device in FIG3 from another viewing angle
  • FIG7 is a schematic diagram of FIG6 after the end cover is removed from the housing to remove or replace the battery cell;
  • FIG8 is a schematic diagram of a partial view of the electronic atomization device in FIG1 after being assembled on a bracket;
  • FIG12 is a cross-sectional exploded view of some components in FIG10 before being assembled with the bracket from another perspective;
  • FIG13 is a partial enlarged view of the electronic atomization device in FIG3 ;
  • FIG14 is a schematic structural diagram of the bracket in FIG12 from another perspective
  • FIG. 15 is a schematic diagram of an airflow sensor having a light source according to an embodiment
  • FIG. 16 is a schematic diagram of the light emitted by the airflow sensor in FIG. 15 penetrating outside the first housing.
  • FIG18 is a cross-sectional schematic diagram of the electronic atomization device in FIG17 from another viewing angle
  • the present application proposes an electronic atomization device for atomizing a liquid matrix to generate an aerosol.
  • Figures 1 and 2 show schematic diagrams of an electronic atomization device 100 of one embodiment, including several components disposed within an external body or housing (which may be referred to as a housing).
  • the overall design of the external body or housing may vary, and the type or configuration of the external body that may define the overall size and shape of the electronic atomization device 100 may vary.
  • the elongated body may be formed by a single integral housing, or the elongated housing may be formed by two or more separable bodies.
  • the outer body or housing of the electronic atomization device 100 substantially defines the outer surface of the electronic atomization device 100; in the specific embodiment shown in FIGS. 1 to 2 , the electronic atomization device 100 includes:
  • housing 10 may be formed from a metal or alloy such as stainless steel, aluminum, or other suitable materials including various plastics (eg, polycarbonate), metal-plating over plastic, ceramics, and the like.
  • a metal or alloy such as stainless steel, aluminum, or other suitable materials including various plastics (eg, polycarbonate), metal-plating over plastic, ceramics, and the like.
  • the housing 10 is formed by several parts. In some embodiments, the housing 10 is open at the distal end 120. As shown in Figures 3 to 7, the housing 10 includes:
  • the first shell 11 and the second shell 12 wherein the first shell 11 is close to or defines a proximal end 110 , and the second shell 12 is close to or defines a distal end 120 .
  • the electronic atomization device 100 further includes:
  • the battery cell 70 is used for power supply and is arranged in the second shell 12 .
  • the electronic atomization device 100 further includes:
  • the end cap 20 is combined with and closes the distal end 120 of the second shell 12 of the housing 10; the end cap 20 can be removed and disassembled from the distal end 120 of the second shell 12 of the housing 10. After being removed or disassembled from the distal end 120 of the second shell 12, the end cap 20 can open or uncover the distal end 120 of the housing 10, so that the battery cell 70 can be taken out or replaced from the distal end 120 of the second shell 12 of the housing 10.
  • the rear end cover 20 at least partially extends from the distal end 120 into the second shell 12 of the housing 10 ; and an air inlet 21 is arranged on the end cover 20 to allow external air to enter the electronic atomization device 100 after assembly.
  • the electronic atomization device 100 further includes:
  • the connecting element 19 is located in the housing 10 and arranged at the distal end 120; the connecting element 19 and the second shell 12 of the housing 10 are tightly connected to each other by riveting or interference fit; in use, the end cap 20 is detachably connected to the connecting element 19, thereby establishing a detachable connection with the housing 10.
  • the connecting element 19 is made of a rigid alloy (e.g., stainless steel) or a polymer plastic.
  • the connecting element 19 is basically arranged in an annular shape; a slot 191 for connecting to the end cover 20 is arranged on the connecting element 19; the slot 191 includes a first portion 1911 extending in a circumferential direction, a second portion 1912 extending axially from the first portion 1911 toward the distal end 120; and the second portion 1912 is open toward the distal end 120.
  • the end cover 20 at least partially extends into the interior of the connecting element 19; a latching protrusion 22 is arranged on the end cover 20, and when in use, the latching protrusion 22 extends into the first part 1911 of the latch slot 191 and abuts against the end of the first part 1911 of the latch slot 191; thereby forming a lock to prevent the end cover 20 from being removed or disassembled along the longitudinal direction of the housing 10.
  • the operation process of removing the end cover 20 is shown in FIG. 7 .
  • the end cover 20 is rotated around the central axis.
  • the protrusion 22 is moved from the first part 1911 to the second part 1912, as shown by the arrow P11 in FIG7 ; after the protrusion 22 is moved from the first part 1911 to the second part 1912, the end cover 20 is in an unlocked state, and can be removed from the housing 10 along the longitudinal direction of the electronic atomization device 100.
  • the distal end 120 of the housing 10 is opened, so that the battery cell 70 can be taken out or removed from the distal end 120 of the housing 10 by slightly shaking or gently swinging.
  • the liquid storage chamber 112 and the atomizing assembly are both arranged near the proximal end 110.
  • the electronic atomization device 100 also includes an aerosol output tube 111 arranged in the longitudinal direction, the aerosol output tube 111 at least partially extending in the liquid storage chamber 112, and the liquid storage chamber 112 is formed by the space between the outer wall of the aerosol output tube 111 and the inner surface of the first shell 111 of the housing 10.
  • the end of the aerosol output tube 111 relative to the proximal end 110 is connected to the air outlet 113 to output the aerosol generated by the atomization of the atomizing assembly to the air outlet 113 for inhalation.
  • the aerosol output tube 111 and the first shell 111 of the housing 10 are integrally molded with a moldable material, and the liquid storage chamber 112 formed therefrom is closed on one side of the proximal end 110 and is open on the side toward the distal end 120 .
  • a first liquid-conducting element 50 is also provided in the first shell 111 of the housing 10.
  • the first liquid-conducting element 50 is a layer of sheet-like or block-like fibers arranged perpendicular to the longitudinal direction of the first shell 111 of the housing 10.
  • the first liquid-conducting element 50 is made of a flexible capillary fiber material, such as natural cotton fibers, non-woven fibers, etc.; specifically, the first liquid-conducting element 50 includes a sheet of liquid-conducting cotton.
  • the first liquid-conducting element 50 includes artificial cotton, or hard artificial cotton or artificial foam made of filamentous polyurethane.
  • the upper surface 510 of the first liquid-conducting element 50 adjacent to the liquid storage cavity 112 is in fluid communication with the liquid storage cavity 112, thereby absorbing the liquid matrix.
  • the first liquid-conducting element 50 and the bracket 60 jointly seal and define a portion of the boundary of the liquid storage cavity 112. As shown in FIGS. 3 to 12, the first liquid-conducting element 50 is configured to be annular.
  • the atomizing assembly is accommodated and assembled in the tubular element 14, and the tubular element 14 is provided with a plurality of perforations 141 arranged at intervals along the circumferential direction, and the atomizing assembly is in fluid communication with the first liquid-conducting element 50 through the perforations 141 to receive the liquid matrix.
  • the perforations 141 on the tubular element 14 basically avoid the first liquid-conducting element 50.
  • the first liquid-conducting element 50 is closer to the proximal end 110 than the perforations 141 on the tubular element 14.
  • the atomization assembly includes a second liquid-conducting element 30, which is flexible in this embodiment, for example, made of flexible fibers such as cotton fibers, non-woven fabrics, or sponges; the second liquid-conducting element 30 is configured to be tubular or cylindrical and arranged along the longitudinal direction of the first shell 11 of the housing 10; the second liquid-conducting element 30 is coaxial with the tubular element 14 and is located inside the tubular element 14.
  • the second liquid-conducting element 30 may also include a rigid porous body element, for example, porous ceramics or porous glass.
  • the outer surface of the second liquid-conducting element 30 in the radial direction is covered or connected to The outer surface of the perforation 141 and thus the second liquid-conducting element 30 is configured as a liquid-absorbing surface to receive and absorb the liquid matrix passing through the first liquid-conducting element 50 through the perforation 141, as shown by arrow R1 in Figures 3 and 4.
  • the inner surface of the second liquid-conducting element 30 in the radial direction is configured as an atomizing surface, which is combined/fitted/abutted against the heating element 40; and then after the liquid matrix is transferred to the atomizing surface, it is heated and atomized by the heating element 40 to generate an aerosol and is released.
  • the heating element 40 is arranged to extend in the longitudinal direction of the second liquid-conducting element 30, and the heating element 40 is coaxially arranged with the second liquid-conducting element 30.
  • the heating element 40 is a resistance heating net, a resistance heating coil, etc.
  • the heating element 40 is a heating element wound by a sheet or mesh substrate; the wound heating element 40 is a non-closed tubular shape in the circumferential direction, but has a cylindrical shape with a side opening in the longitudinal direction.
  • Conductive pins are welded or arranged at both ends of the heating element 40 to guide current on the heating element 40.
  • the heating element 40 may be combined with the second liquid-conducting element 30 by printing, deposition, sintering or physical assembly.
  • the second liquid-conducting element 30 may have a plane or a curved surface for supporting the heating element 40, and the heating element 40 is formed on the plane or the curved surface of the porous body 14 by mounting, printing, deposition or the like.
  • the heating element 40 is a conductive track formed on the surface of the second liquid-conducting element 30.
  • the conductive track of the heating element 40 may be in the form of a printed circuit formed by printing.
  • the heating element 40 is a patterned conductive track.
  • the heating element 40 is planar.
  • the heating element 40 is a conductive track that extends in a circuitous, meandering, reciprocating or bending manner.
  • the support 60 also provides support and fixation for the first liquid-conducting element 50 and the tubular element 14.
  • the support 60 is generally cylindrical in shape and is rigid, for example, the support 60 is made of hard polymer plastic.
  • the first shell 11 of the housing 10 is further provided with:
  • the retaining element 18 is located in the second shell 12 and between the battery core 70 and the bracket 60 in the longitudinal direction.
  • the retaining element 18 is used to support and retain the elastic conductive element 17 .
  • the retaining element 18 is used to at least partially surround and retain the battery core 70 .
  • the retaining element 18 is generally annular in shape and arranged in the longitudinal direction of the second housing 12.
  • the retaining element 18 is rigid, for example, made of an organic polymer plastic. Material prepared.
  • the partition wall 183 is arranged perpendicular to the axial direction of the holding element 18, and divides the inner space of the holding element 18 into a first holding space 181 between the partition wall 183 and the upper end 1810, and a second holding space between the partition wall 183 and the lower end 1820;
  • the retaining element 18 further includes:
  • the protrusion 182 is axially extended from the partition wall 183 into the first holding space 181 to support the airflow sensor 15 and the sealing element 16 accommodated and held in the bracket 60 after assembly. After assembly, the airflow sensor 15 and the sealing element 16 accommodated and installed in the bracket 60 abut against the protrusion 182.
  • the airflow sensor 15 is a microphone or a MEMS sensor, etc.
  • the microphone or MEMS sensor can be installed independently or on a main control circuit board such as an FPC board or a PCB board, and is electrically connected to an MCU controller arranged on the main control circuit board, thereby providing a suction signal to the MCU controller.
  • the elastic conductive element 17 includes a metal or alloy with low resistivity; for example, the conductive element 17 includes gold, silver, copper, or alloys thereof.
  • the bracket 60 is generally arranged to extend longitudinally along the electronic atomization device 100; the bracket 60 has a first end facing or close to the liquid storage chamber 112, and a second end away from the first end; the bracket 60 is basically a cylindrical shape extending from the first end to the second end.
  • the bracket 60 is rigid, for example, the bracket 60 is made of a hard polymer plastic.
  • the bracket 60 includes a first support portion 610, a second support portion 620, and a third support portion 630 arranged in sequence along the longitudinal direction; wherein the third support portion 630 is mechanically connected or fastened to the retaining element 18.
  • the first supporting portion 610 defines a first accommodating cavity 611. It is used to accommodate and hold the first liquid-conducting element 50; after assembly, the first support portion 610 surrounds the first liquid-conducting element 50.
  • the first support portion 610 is interference-fitted with the first shell 11 of the housing 10 near the liquid storage chamber 112.
  • a sealing ring such as an O-ring, is arranged outside the first support portion 610 and surrounds the first support portion 610 to provide a seal between the first support portion 610 and the first shell 11 of the housing 10.
  • the third support portion 630 establishes a mechanical connection and interference fit with the first shell 11 of the housing 10; specifically, a connection structure such as a card slot or a card convex can be arranged on the third support portion 630, thereby establishing a mechanical connection with the first shell 11 of the housing 10. Also, the retaining element 18 at least partially extends into the third support portion 630 and establishes a mechanical connection with the third support portion 630. Also, a sealing ring, such as an O-ring, is arranged outside the third support portion 630 to provide a seal between the third support portion 630 and the first shell 11 of the housing 10.
  • a second accommodating cavity 627 is defined in the second supporting portion 620 for at least partially installing and accommodating the tubular element 14 and the atomizing assembly. Specifically, after assembly, the tubular element 14 at least partially passes through the first accommodating cavity 611 and is inserted into the second accommodating cavity 627 of the bracket 60.
  • a flexible sealing element is provided between the tubular element 14 and the bracket 60 to provide a seal in the assembly gap between the two; in other examples, the tubular element 14 and the bracket 60 have a prefabricated matching size, and the two can form a seal between them through an interference fit. Therefore, no flexible sealing element is provided between the tubular element 14 and the bracket 60. As shown in FIGS.
  • a portion of the tubular element 14 extends into the bracket 60, and another portion extends outside the bracket 60; for example, after assembly, the tubular element 14 has an exposed portion extending outside the bracket 60 and/or the first liquid-conducting element 50, and forms a tight fit connection with the aerosol output tube 111 through the exposed portion.
  • the first end of the bracket 60 is open, or has a first opening; the first liquid-conducting element 50 is received in the first accommodating chamber 611 from the first end through the first opening; and/or, the tubular element 14 and/or the atomizing assembly passes through the first accommodating chamber 611 from the first end through the first opening to be received in the second accommodating chamber 627.
  • the inner diameter of the portion of the second accommodating cavity 627 close to the first accommodating cavity 611 gradually increases, or the inner surface of the portion of the second accommodating cavity 627 close to the first accommodating cavity 611 is inclined.
  • the through hole 141 of the tubular element 14 is opposite to the increased inner diameter portion of the second accommodating cavity 627, thereby forming a gap 628 therebetween.
  • at least part of the through hole 141 of the tubular element 14 is staggered from the first liquid-conducting element 50, so that part of the through hole 141 of the tubular element 14 is not covered or blocked by the inner surface of the first liquid-conducting element 50.
  • a liquid buffer space around the through hole 141 is defined by a gap 628; the gap 628 is in liquid communication with the lower surface 520 of the first liquid-conducting element 50.
  • the liquid matrix in the liquid storage chamber 112 is sucked through the upper surface 510 of the first liquid-conducting element 50, and then flows out into the gap 628 through the lower surface 520; and finally passes through the through hole 141 of the tubular element 14 and is sucked by the second liquid-conducting element 30, as shown by arrow R1 in FIG13 .
  • the upper surface 510 of the first liquid-conducting element 50 when the first liquid-conducting element 50 is accommodated and assembled in the first accommodating cavity 611, the upper surface 510 of the first liquid-conducting element 50 is basically flush with the opening of the first accommodating cavity 611; or, when the first liquid-conducting element 50 is accommodated and assembled in the first accommodating cavity 611, the upper surface 510 of the first liquid-conducting element 50 is basically flush with the first end of the bracket 60.
  • the third support portion 630 of the bracket 60 is further arranged with:
  • the airflow sensor 15 is arranged in the longitudinal direction of the bracket 60.
  • the sealing element 16 is used to wrap the airflow sensor 15.
  • the sealing element 16 includes a first portion 161 disposed in the longitudinal direction of the bracket 60, and a second portion 162 arranged in the longitudinal direction of the bracket 60; after assembly, the airflow sensor 15 is wrapped in the second portion 162 of the sealing element 16.
  • the retaining element 18 at least partially extends into the third accommodating cavity 631, and the first portion 161 of the sealing element 16 accommodated and retained in the bracket 60 is supported by the protrusion 182.
  • the third accommodating cavity 631 is open at the second end of the bracket 60, or the second end of the bracket 60 has a second opening; the airflow sensor 15 is received in the third accommodating cavity 631 from the second end through the second opening.
  • the third support portion 630 of the bracket 60 is further arranged with:
  • the clamping wall 632 is used to clamp the second portion 162 of the sealing element 16 and/or the airflow sensor 15 contained in the third containing cavity 631 , so that they are stably installed. After installation, the second portion 162 of the sealing element 16 is abutted against or clamped by the clamping wall 632 .
  • an air inlet groove 633 is arranged on the inner surface of the third accommodating cavity 631. To provide a path for air to enter the third accommodating chamber 631 .
  • an air inlet passage is arranged on the bracket 60 to provide a passage for the air from the air inlet 21 to enter the second accommodating cavity 627.
  • the complete air inlet passage includes:
  • the second channel portion 625 extends from the groove 622 on the surface of the second supporting portion 620 to or penetrates the second accommodating cavity 627 to deliver air to the atomizing assembly in the second accommodating cavity 627; the second channel portion 625 may include a plurality of bent sections.
  • the airflow path is as shown by the arrow R2 in Figures 3 to 14.
  • the external air entering from the air inlet 21 passes through the gap between the battery cell 70 and the housing 10, the retaining element 18, and then enters the third accommodating chamber 631 through the air inlet groove 633; then flows into the groove 622 on the surface of the second support part 620 through the first channel part 623, and then flows to the second channel part 625 through the groove 622; finally, it enters the tubular element 14 from the second channel part 625, and carries the aerosol generated by the atomization component to be delivered from the aerosol output tube 111 to the air outlet 113.
  • the first communication port 624 of the first channel portion 623 and the port of the second channel portion 625 located on the surface of the bracket 60 are arranged opposite to each other; along the longitudinal direction of the bracket 60, the first communication port 624 and the port of the second channel portion 625 located on the surface of the bracket 60 are at different longitudinal heights. Specifically, in Figs. 9 to 14, the first communication port 624 is farther away from the third support portion 630 than the port of the second channel portion 625 located on the surface of the bracket 60.
  • the airflow sensor 15 is used to sense the change of airflow flowing through the bracket 60 and/or the electronic atomization device 100.
  • the airflow sensor 15 includes a first sensing surface 151 and a second sensing surface 152 opposite to each other.
  • the second part 162 of the sealing element 16 wraps the airflow sensor 15, and basically exposes the first sensing surface 151 and the second sensing surface 152.
  • the first sensing surface 151 and the second sensing surface 152 are isolated from each other; the first sensing surface 151 faces and is connected to the first channel part 623; the first sensing surface 151 is used to sense the pressure of the first channel part 623; according to Figures 9 to 14, the first channel part 623 is staggered with the airflow sensor 15.
  • the second sensing surface 152 is connected to the outside atmosphere through the assembly gap, so as to sense the pressure of the outside atmosphere.
  • the airflow sensor 15 is arranged according to the first sensing surface 151 The difference between the pressure sensed by the first sensing surface 150 and the pressure sensed by the second sensing surface 152 is used to determine the user's inhalation airflow.
  • the support 60 further defines a ventilation channel 670 for providing a flow path for air to enter the liquid storage chamber 112, so that when the liquid matrix in the liquid storage chamber 112 is gradually consumed and the negative pressure in the liquid storage chamber 112 is low, air can enter the liquid storage chamber 112 through the ventilation channel 670 to relieve or eliminate the negative pressure in the liquid storage chamber 112.
  • the ventilation channel 670 includes:
  • a first ventilation groove 672 is arranged on the inner bottom wall of the first accommodating cavity 611; the first ventilation groove 672 extends from the ventilation hole 671 to the inner side wall of the bracket 60;
  • the second ventilation groove 673 extends from the first ventilation groove 672 to the first end of the bracket 60 .
  • the vent hole 671 has a diameter of about 0.3 to 2.0 mm; and the first vent groove 672 and/or the second vent groove 673 have a width and/or depth of about 0.3 to 2.0 mm.
  • a predetermined threshold as shown by arrow R3 in FIGS. 9 to 14 , air enters the liquid storage chamber 112 through the vent hole 671, the first vent groove 672, and the second vent groove 673 in sequence, thereby eliminating or relieving the negative pressure in the liquid storage chamber 112.
  • FIG. 15 shows a schematic diagram of an airflow sensor 15 integrated with a light source (LED) and heating control in one embodiment; as shown in FIG. 15 , the airflow sensor 15 includes:
  • Interface 3 generating an input electrical signal according to the user's inhalation airflow
  • Interface 4 used for electrically connecting to the positive electrode of the battery cell 70
  • Interface 2 is connected to the negative electrode of the battery cell 70 via grounding.
  • the airflow sensor 15 can determine the user's puffing action based on the input electrical signal of the interface 3 .
  • the airflow sensor 15 can control the current to be provided to the light source (LED) through the interface 6 to make the light source (LED) emit light when it is determined that the user takes a puff.
  • the airflow sensor 15 when the airflow sensor 15 determines that the user takes a puff, it can control the current to be provided to the heating element 40 through the interface 5, so that the heating element 40 heats the liquid matrix in the second liquid-conducting element 30 to generate aerosol.
  • the airflow sensor 15 integrated with a light source (LED) and heating control is, for example, a microphone of model IP9013-SOT23-6.
  • the light source LED is a light emitting device independent of the airflow sensor 15, rather than being integrated into the airflow sensor 15.
  • the interface 4 of the airflow sensor 15 is welded to the first electrical contact portion 171 through a conductive wire, thereby forming a conductive connection with the battery cell 70 .
  • the electronic atomization device 100 may further include:
  • the light source LED is close to or located at the second sensing surface 152 and away from the first sensing surface 151 . Also, the light source LED is arranged away from the clamping wall 632 and/or the first channel portion 623 . Also, the light source LED emits light from the second sensing surface 152 .
  • the first shell 11 is transparent; for example, the first shell 11 is made of polymer plastics such as PP, PMMA, or acrylic.
  • FIG. 17 to FIG. 21 show schematic diagrams of an electronic atomization device 100a according to another embodiment; in this embodiment, the electronic atomization device 100a includes:
  • the housing 10a includes a first shell 11a close to and defining a proximal end 110a, and a second shell 12a close to and defining a distal end 120a; the first shell 11a at least partially extends into the second shell 12a and is surrounded by the second shell 12a;
  • the end cap 20a is combined with the distal end 120a of the housing 10a and closes the distal end 120a; the end cap 20a can be removed from the distal end 120a of the housing 10a to open the distal end 120a for removing or replacing the battery cell 70a; the end cap 20a is also provided with an air inlet 21a for allowing air to enter the electronic atomization device 100a;
  • the liquid storage chamber 112a is arranged near the proximal end 110a and is located in the first housing 11a;
  • the aerosol output tube 111a at least partially extends in the liquid storage chamber 112a, and the liquid storage chamber 112a is formed by the space between the outer wall of the aerosol output tube 111a and the inner surface of the first shell 111a of the housing 10a; the end of the aerosol output tube 111a opposite to the proximal end 110a is connected to the air outlet 113a, so as to output the aerosol generated by the atomization assembly to the air outlet 113a for inhalation;
  • the first liquid guiding element 50a is contained and held in the bracket 60a to absorb the liquid from the liquid storage chamber 112a.
  • the first liquid-conducting element 50a is arranged substantially perpendicular to the longitudinal direction of the electronic atomization device 100a;
  • the tubular element 14a (such as a stainless steel tube, a ceramic tube, or a plastic tube) is arranged to extend longitudinally in the liquid storage cavity 112a; and the tubular element 14a is tightly connected to the aerosol output tube 111a by riveting, interference fit, etc.; the tubular element 14a is arranged to penetrate the first liquid guide element 50a; and the wall of the tubular element 14a is also provided with perforations 141a, etc., for allowing the liquid matrix to pass through the perforations 141a and flow into the tubular element 14a;
  • the electronic atomization device 100a further includes:
  • a retaining element 18a for at least partially surrounding and retaining the battery cell 70a;
  • the resilient conductive element 17a mounted and held on the holding element 18a, is used at least in part to conduct electrical current between the battery cell 70a and the airflow sensor 15a/heating element 40a.
  • the bracket 60a is used to accommodate and hold the first liquid-conducting element 50a, the tubular element 14a, the airflow sensor 15a, the sealing element 16a, etc.
  • the bracket 60a includes a first support portion 610a, a second support portion 620a, and a third support portion 630a arranged in sequence along the longitudinal direction; wherein the third support portion 630a is mechanically connected or fastened to the holding element 18a.
  • a first receiving cavity 611a is defined in the first supporting portion 610a; in this embodiment, the first receiving cavity 611a includes a first section 6111a and a second section 6112a arranged in sequence along the longitudinal direction; wherein the first section 6111a is close to the first end of the bracket 60a, and the first section 6111a is in a shape of an inclined cone or wide mouth with an inner surface; the second section 6112a is in a cylindrical shape with a substantially constant diameter.
  • the first liquid-conducting element 50a is received and held in the first receiving cavity.
  • the first support portion 610a is interference-fitted with the first shell 11a of the housing 10a near the liquid storage chamber 112a.
  • a sealing ring such as an O-ring, is arranged outside the first support portion 610a and surrounds the first support portion 610a to provide a seal between the first support portion 610a and the first shell 11a of the housing 10a.
  • the second supporting portion 620 a of the bracket 60 a is further provided with a plurality of flanges 621 a circumferentially surrounding the second supporting portion 620 a , and grooves 622 a located between adjacent flanges 621 a .
  • a second accommodating chamber 627a is defined in the second support portion 620a for at least partially installing and accommodating the tubular element 14a and the atomizing assembly.
  • the tubular element 14a is at least partially inserted into the second accommodating chamber 627a after passing through the first accommodating chamber 611a.
  • the tubular element 14a and the bracket 60a are sealed by interference fit, so there is no flexible sealing element between the tubular element 14a and the bracket 60a.
  • the tubular element 14a is completely located in the bracket 60a; in other words, in this embodiment, the tubular element 14a does not extend out of the bracket 60a.
  • the aerosol output tube 111a extends into the first accommodating chamber 611a and engages with the tubular element 14a.
  • the inner diameter of the portion of the second accommodating chamber 627a close to the first accommodating chamber 611a is gradually increased, or the inner surface of the portion of the second accommodating chamber 627a close to the first accommodating chamber 611a is arranged obliquely.
  • the through hole 141a of the tubular element 14a is opposite to the portion of the second accommodating chamber 627a with an increased inner diameter, and a gap is formed between them for connecting the through hole 141a with the first liquid-conducting element 50a.
  • the liquid matrix in the liquid storage chamber 112a is transferred to the first liquid-conducting element 50a via the first liquid-conducting element 50a.
  • an air hole 161 a is arranged on the sealing element 16 a to allow air to pass through the sealing element 16 a and enter the third accommodating chamber 631 a .
  • the first channel portion 623a extends from the third accommodating cavity 631a along the longitudinal direction of the bracket 60a or penetrates into the groove 622a on the surface of the second supporting portion 620a; the first channel portion 623a defines a first communication port 624a on the surface of the second supporting portion 620a;
  • the second channel portion 625a extends from the groove 622a on the surface of the second supporting portion 620a to or passes through the second accommodating cavity 627a to deliver air to the atomizing assembly in the second accommodating cavity 627a; the second channel portion 625a may include a plurality of bent sections.
  • the airflow path during inhalation is shown by arrow R2 in Figures 17 to 20.
  • the external air entering from the air inlet 21a passes through the gap between the battery cell 70a and the housing 10a, the retaining element 18a, and then enters the third accommodating chamber 631a through the air hole 161a of the sealing element 16a; then flows into the groove 622a on the surface of the second supporting part 620a through the first channel part 623a, and then flows to the second channel part 625a through the groove 622a; finally, it enters the tubular element 14a from the second channel part 625a, and carries the aerosol generated by the atomization component from the aerosol output tube 111a to the air outlet 113a.
  • the airflow sensor 15a is used to sense the change of the airflow flowing through the bracket 60a and/or the electronic atomization device 100a.
  • the airflow sensor 15a has a first sensing surface 151a and a second sensing surface 152a which are separated from each other along the longitudinal direction of the electronic atomization device 100a.
  • the first sensing surface 151a is arranged toward the proximal end 110a and is connected to the airflow passing through the bracket 60a.
  • the airflow sensor 15a determines the user's puffing action when the pressure difference between the first sensing surface 151a and the second sensing surface 152a caused by the puffing airflow is greater than a preset threshold, and generates a high-level signal.
  • the first sensing surface 151a and the second sensing surface 152a are not wrapped by the flexible sealing element 16a, so they are exposed for pressure sensing.
  • vent hole 671a radially penetrates from the outer surface of the first support portion 610a to the inner surface of the second section 6112a of the first accommodating cavity 611a;
  • the ventilation groove 672a is arranged on the inner surface of the second section 6112a of the first accommodating cavity 611a, and extends from the ventilation hole 671a to the first section 6111a.
  • a light source is integrated or arranged in the airflow sensor 15a, such as shown in FIG. 15 , and is configured to emit light in response to the user's suction action; as shown by arrow R4 in FIG. 21 , the light emitted by the light source is transmitted through the bracket 60a toward the proximal end 110a and/or the liquid storage chamber 112a, and then emitted from the first shell 11a.
  • the light emitted by the light source can be viewed through the part of the first shell 11a close to the proximal end 110a to determine whether the electronic atomization device 100a responds to the suction action and/or whether aerosol is generated according to the suction action.
  • the light source is a separate LED light; the light source is not integrated into the airflow sensor 15a. Accordingly, the light source is arranged or accommodated in the third accommodation cavity 631a of the bracket 60a, and is used to respond to the user's suction action and then emit light.

Landscapes

  • Special Spraying Apparatus (AREA)

Abstract

L'invention concerne un dispositif d'atomisation électronique (100) comprenant : un boîtier (10) intérieurement pourvu d'une cavité de stockage de liquide (112) destinée à stocker une matrice liquide, le boîtier (10) comprenant une zone de transmission de lumière définissant au moins une partie de la limite de la cavité de stockage de liquide (112) ; un ensemble d'atomisation en communication liquide avec la cavité de stockage de liquide (112) destiné à aspirer la matrice liquide de la cavité de stockage de liquide (112) et l'atomiser de façon à générer un aérosol ; une source d'émission de lumière utilisée pour émettre de la lumière ; et un support de transmission de lumière (60) entourant ou recevant au moins partiellement l'ensemble d'atomisation et/ou la source d'émission de lumière. Au moins une partie du support (60) est située entre la source d'émission de lumière et la cavité de stockage de liquide (112), et le support (60) est utilisé pour coupler optiquement au moins partiellement la source d'émission de lumière à la zone de transmission de lumière. Selon le dispositif d'atomisation électronique (100), la source d'émission de lumière est logée au moyen du support de transmission de lumière (60), et la lumière émise par la source d'émission de lumière est transmise vers la zone de transmission de lumière du boîtier (10).
PCT/CN2024/121082 2023-10-13 2024-09-25 Dispositif d'atomisation électronique Pending WO2025077577A1 (fr)

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CN202311331391.0 2023-10-13
CN202311331391.0A CN119817882A (zh) 2023-10-13 2023-10-13 电子雾化装置

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WO2025077577A1 true WO2025077577A1 (fr) 2025-04-17

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CN221128859U (zh) * 2023-10-13 2024-06-14 深圳市合元科技有限公司 电子雾化装置
CN221284712U (zh) * 2023-10-13 2024-07-09 深圳市合元科技有限公司 电子雾化装置

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Publication number Priority date Publication date Assignee Title
WO2016119144A1 (fr) * 2015-01-28 2016-08-04 惠州市吉瑞科技有限公司 Dispositif de détection de l'excédent d'huile de tabac dans une cigarette électronique, cigarette électronique et procédé de commande de cigarette électronique
CN112315024A (zh) * 2019-07-31 2021-02-05 上海新型烟草制品研究院有限公司 一种透光型电子烟
CN212728779U (zh) * 2019-10-28 2021-03-19 邹安华 一种可发光电子烟
CN215189420U (zh) * 2020-10-16 2021-12-17 深圳市斯科尔科技有限公司 供电装置及电子烟
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CN221284712U (zh) * 2023-10-13 2024-07-09 深圳市合元科技有限公司 电子雾化装置

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