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
• • 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
  • A24F40/10—Devices using liquid inhalable precursors

Definitions

• Embodiments of this application relate to the field of electronic atomization technologies, and in particular, to an atomizer and an electronic atomization device.
• tobacco is burnt to generate tobacco vapor.
• the first liquid guide element includes a first surface close to the liquid storage cavity, and the liquid substrate stored in the liquid storage cavity is absorbed through the first surface.
• the first liquid guide element is constructed in a shape of a sheet or a block perpendicular to a longitudinal direction of the shell.
• the atomizer further includes:
• the second liquid guide element includes a first portion arranged in a direction perpendicular to the longitudinal direction of the shell, and a second portion extending from the first portion;
• the atomizer further includes:
• the atomizer further includes:
• the atomizer further includes:
• the support is provided with at least one cut-out or a slit, and the cut-out or the slit defines a portion of the support to form the occluding portion.
• Another embodiment of this application further provides an atomizer, including a shell; the shell has arranged therein:
• Still another embodiment of this application further provides an electronic atomization device, including the foregoing atomizer and a power supply mechanism for supplying power to the atomizer.
• the second liquid guide element can simultaneously absorb the liquid substrate from the liquid storage cavity and the first liquid guide element, which is advantageous to balance efficiency of absorption and transfer of a liquid absorbing substrate to the heating element.
• the electronic atomization device includes an atomizer 100 storing and atomizing a liquid substrate to generate an aerosol, and a power supply mechanism 200 for supplying power to the atomizer 100.
• an electrical contact 21 is arranged on the atomizer 100, so that when at least part of the atomizer 100 is received in the receiving cavity 270, the atomizer 100 comes into contact with the electrical contact 230 through the electrical contact 21 to form an electrical connection with the power supply mechanism 200.
• a seal member 260 is arranged in the power supply mechanism 200, and at least part of an internal space of the power supply mechanism 200 is separated by the seal member 260 to form the receiving cavity 270.
• the seal member 260 is constructed to extend along a cross-section direction of the power supply mechanism 200, and is preferably made of a flexible material such as silica gel, so as to prevent, from flowing to a component such as a controller 220 or a sensor 250 inside the power supply mechanism 200, the liquid substrate seeping from the atomizer 100 to the receiving cavity 270.
• the power supply mechanism 200 further includes: a battery core 210 at an end, facing away from the receiving cavity 270 along the length direction and configured to supply power; and the controller 220 arranged between the battery core 210 and the receiving cavity 270, where the controller 220 operably guides a current between the battery core 210 and the electrical contact 230.
• the power supply mechanism 200 includes the sensor 250 configured to sense an inhalable airflow generated by the atomizer 100 during inhalation, so that the controller 220 controls the battery core 210 to output power to the atomizer 100 based on a sensing result of the sensor 250.
• the other end of the power supply mechanism 200 facing away from the receiving cavity 270 is provided with a charging interface 240 for charging the battery core 210.
• FIG. 2 to FIG. 5 each show a schematic structural diagram of an embodiment of the atomizer 100 in FIG. 1 , including: a main housing 10, which is substantially flat and in the shape of a hollow cylinder, and is an internal necessary functional device for storing and atomizing a liquid substrate.
• the main housing 10 has a proximal end 110 and a distal end 120 opposite to each other along the length direction. Based on requirements of common use, the proximal end 110 is configured as an end for a user to inhale an aerosol, and the proximal end 110 is provided with an inhalation port 111 for inhalation by the user.
• the distal end 120 is used as an end coupled to the power supply mechanism 200, and the distal end 120 of the main housing 10 is open, on which a detachable end cap 20 is mounted.
• the open structure is configured to allow mounting of various functional components inside the main housing 10.
• the electrical contact 21 runs through a surface of the end cap 20 into the atomizer 100, so that the electrical contact 21 is at least partially exposed from the atomizer 100, and then comes into contact with the electrical contact 230 to form an electrical connection.
• the end cap 20 is further provided with an air inlet 22 for allowing external air to enter the atomizer 100 during inhalation. As shown in FIG. 2 to FIG. 5 , after assembly, the electrical contact 21 is flush with the surface of the end cap 20.
• the atomization assembly in FIG. 3 to FIG. 5 includes a second liquid guide element 30 and a heating element 40 for heating and atomizing the liquid substrate absorbed by the second liquid guide element 30.
• the second liquid guide element 30 is made of a flexible strip-shaped or rod-shaped fiber material, for example, cotton fiber, non-woven fabric fiber, or a sponge.
• the second liquid guide element 30 is constructed to be U-shaped, including a portion 31 extending along a width direction of the main housing 10, and a portion 32 extending from two end sides of the portion 31 toward the liquid storage cavity 12.
• the portion 32 is configured to absorb the liquid substrate and then transfer the liquid substrate to the portion 31 through capillary infiltration.
• the heating element 40 is constructed to at least partially surround the portion 31, and heat at least part of the liquid substrate of the portion 31 to generate an aerosol. As shown in FIG. 3 to FIG. 5 , the heating element 40 has a configuration of a spiral heating wire, and may be made of a resistive metal such as an iron-chromium-aluminum alloy or a nickel-chromium alloy.
• the main housing 10 further has a first liquid guide element 50 arranged therein.
• the first liquid guide element 50 is a layer of sheet-shaped or block-shaped organic porous fibers arranged perpendicular to a longitudinal direction of the main housing 10.
• the first liquid guide element 50 is arranged to cover or seal an open space or an opening of the liquid storage cavity 12 toward the distal end 120, to prevent the liquid substrate in the liquid storage cavity 12 from flowing out.
• the first liquid guide element 50 having the foregoing oriented fiber is anisotropic. Specifically, on the one hand, a flexural strength along the length direction is greater than a flexural strength along the width direction; or on the other hand, a liquid guide rate along the length direction is greater than a liquid guide rate along the width direction.
• a second end of the aerosol output tube 11 facing away from the inhalation port 111 is inserted into or passes through the insertion hole 51 into the support 70, and then is brought into communication with the atomization chamber 73 to output an aerosol in the atomization chamber 73 to the inhalation port 111.
• a convex rib 731, a convex rib 732, and a convex rib 733 that surround the support 70 along a circumferential direction are arranged on an outer surface of the support 70.
• the convex rib 731, the convex rib 732, and the convex rib 733 are closed rings for sealing a gap between the support 70 and the main housing 10.
• the convex rib 731, the convex rib 732, and the convex rib 733 are successively arranged along a longitudinal direction of the support 70.
• an inner surface of the support 70 that defines the atomization chamber 73 is further provided with a plurality of ridges 74 arranged along the longitudinal direction.
• a spacing is defined between the plurality of ridges 74, so as to form a capillary trench for absorbing and retaining aerosol condensate in the atomization chamber 73.
• a protrusion height of each of the ridges 74 is approximately in a range of 1 mm to 3 mm, and a width of the ridge 74 is approximately in a range of 0.5 mm to 1.5 mm.
• a spacing between adjacent ridges 74 is less than 2 mm, so that a width of a formed capillary trench is less than 2 mm.
• the support 70 is made of a flexible material such as silica gel or a thermoplastic elastomer.
• the support 70 has an end portion 710 and an end portion 720 that face away from each other along a longitudinal direction; and the end portion 710 of the support 70 is open, and the end portion 720 is closed.
• the open space of the end portion 710 of the support 70 is covered by the first liquid guide element 50.
• the first liquid guide element 50 and the support 70 jointly define the atomization chamber 73.
• a holding structure inside the support 70 for holding the second liquid guide element 30 includes: a holding cavity 751 provided on an inner bottom wall and extending along a width direction of the main housing 10, and configured to hold a portion 31 of the second liquid guide element 30; and a holding cavity 752 extending along a longitudinal direction of the main housing 10, and configured to hold a portion 32 of the second liquid guide element 30.
• the holding cavity 752 extends to the end portion 710 and terminates at the end portion 710.
• At least one or more trenches or grooves 7511 are provided on a surface of the holding cavity 751.
• the trench or groove 7511 is provided adjacent to the heating element 40, so as to absorb or buffer the liquid substrate seeping out from the portion 31, and adjust efficiency of the liquid substrate transferred to the heating element 40. This is advantageous to alleviate a situation in which an over-saturated liquid substrate splashes out of the second liquid guide element 30 to form a liquid mass during heating.
• the air channel includes: an air groove 762 located on a surface of an upper end of the support 70, where the air groove 762 is provided on at least a side of the support 70 in a width direction, and the air groove 762 is defined by a protruding edge 761 and surrounds the protruding edge 761; and a gap defined between a straight portion 53 of the peripheral side wall of the first liquid guide element 50 and an inner surface of the main housing 10.
• air in the atomization chamber 73 or the support 70 can enter the liquid storage cavity 12 through the air groove 762 and the gap between the straight portion 53 and the inner surface of the main housing 10 in sequence, to relieve the negative pressure in the liquid storage cavity 12, as shown by an arrow R3 in FIG. 7 .
• the first liquid guide element 50 is further provided with: a hole 52, extending through the upper side surface 510 of the first liquid guide element 50 or extending to a lower side surface.
• the portion 32 of the second liquid guide element 30 passes through the hole 52 to at least partially extend into the liquid storage cavity 12.
• the portion 32 of the second liquid guide element 30 has an exposed section 321 that is exposed or extends into the liquid storage cavity 12.
• the exposed section 321 protrudes from the upper side surface 510 of the first liquid guide element 50.
• a protrusion height of the exposed section 321 protruding from the upper side surface 510 of the first liquid guide element 50 is in a range of 0.5 mm to 5 mm.
• the first liquid guide element 50 is located outside the support 70, and is not accommodated or held in the support 70.
• the first liquid guide element 50 is arranged substantially perpendicular to the longitudinal direction of the main housing 10.
• the portion 31 of the second liquid guide element 30 is arranged perpendicular to the longitudinal direction of the main housing 10; and the portion 32 of the second liquid guide element 30 is substantially arranged to extend along the longitudinal direction of the main housing 10.
• the liquid absorption and transfer of the second liquid guide element 30 includes that The second liquid guide element 30 may directly absorb the liquid substrate in the liquid storage cavity 12 through the exposed section 321, and then transfer the liquid substrate to the portion 31 to be heated and atomized, as shown by arrows R11 in FIG. 5 and FIG. 10 . Moreover, the portion 32 of the second liquid guide element 30 further comes into contact with the first liquid guide element 50 to absorb the liquid substrate of the first liquid guide element 50, and then transfers the liquid substrate to the portion 31 to be heated and atomized, as shown by arrows R12 in FIG. 5 and FIG. 10 .
• the portion 32 not only extends through the first liquid guide element 50 into the liquid storage cavity 12 through the exposed section 321 to directly absorb the liquid substrate, but also comes into contact with the first liquid guide element 50 to indirectly absorb the liquid substrate in the liquid storage cavity 12. This is advantageous to balance absorption efficiency of a liquid absorbing substrate.
• FIG. 11 to FIG. 13 are schematic diagrams showing a first liquid guide element 50a, an atomization assembly, and a support 70a according to still another variant embodiment.
• an end portion 710a of the support 70a is open.
• the first liquid guide element 50a is received from the end portion 710a of the support 70a and accommodated in the support 70a.
• the support 70a has an accommodating portion 78a defined by a step 77a on an inner surface.
• the first liquid guide element 50a is accommodated and held in the accommodating portion 78a, and abuts against the step 77a to provide a stop.
• the flexible support 70a at least partially provides a liquid seal between the first liquid guide element 50a and the main housing 10.
• an upper side surface 510a of the first liquid guide element 50a is substantially flush with the end portion 710a of the support 70a.
• the first liquid guide element 50a when the first liquid guide element 50a is assembled and accommodated in the accommodating portion 78a, the first liquid guide element 50a at least partially avoids a holding cavity 752a of the support 70a. Therefore, when the first liquid guide element 50a is assembled and accommodated in the accommodating portion 78a, a spacing gap is defined between the first liquid guide element 50a and an inner surface of the holding cavity 752a defined by the support 70a, so that a portion 32 of a second liquid guide element 30 can pass through the spacing gap to outside of the upper side surface 510a of the first liquid guide element 50a to define an exposed section 321, thereby directly absorbing a liquid substrate in the liquid storage cavity 12 through the exposed section 321.
• a peripheral side wall of the first liquid guide element 50a has a straight portion 53a.
• the straight portion 53a is arranged on at least one side of the first liquid guide element 50a in a length direction.
• the foregoing spacing gap is defined between the straight portion 53a and an inner surface of a holding cavity 752a defined by the support 70a.
• the holding cavity 752b defines a side opening 712b located on at least one side in a width direction of the support 70b.
• the side opening 712b is configured for avoiding or facing away from the first liquid guide element 50b and/or the accommodating cavity 78b.
• the portion 32b of the second liquid guide element 30b at least partially extends from the side opening 712b to outside of the support 70b and/or the first liquid guide element 50b, so as to form an exposed section 321b to directly absorb a liquid substrate of the liquid storage cavity 12.
• FIG. 17 and FIG. 18 are schematic diagrams showing a first liquid guide element 50c, an atomization assembly, and a support 70c according to still another variant embodiment.
• the support 70c is at least partially curved through a holding cavity for accommodating or holding a portion 32c, so that the portion 32c is bent at least outward of the support 70c.
• the support 70c is provided thereon:
• a width of the cut-out or the slit 711c is approximately in a range of 0.5 mm to 2 mm.
• the movable occluding portion 712c is defined through the cut-out or the slit 711c, which is advantageous for assembly of the first liquid guide element 50c and the atomization assembly.
• the exposed section 321c is sandwiched and exposed between the movable occluding portion 712c and a straight portion 53c of a peripheral side wall of the first liquid guide element 50c, which is advantageous for production and assembly.
• the movable occluding portion 712c is further configured to provide occlusion or obstruction between the exposed section 321c of the portion 32c and an inner wall surface of a main housing 10, so as to prevent the flexible exposed section 321c from extending into or being sandwiched between the inner wall surface of the main housing 10 and the support 70c during assembly.
• an air groove 79a/79b/79c defining an air channel is defined or formed on a peripheral side wall of a first liquid guide element 50a/50b/50c.

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• Special Spraying Apparatus (AREA)
• Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=91050713

Family Applications (1)

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Family Cites Families (9)

• 2022
  • 2022-11-16 CN CN202211435331.9A patent/CN118044644A/zh active Pending
• 2023
  • 2023-10-31 WO PCT/CN2023/128557 patent/WO2024104148A1/zh not_active Ceased
  • 2023-10-31 EP EP23890584.8A patent/EP4599717A4/de active Pending

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