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WO2025130615A1 - Atomiseur et dispositif d'atomisation électronique - Google Patents

Atomiseur et dispositif d'atomisation électronique Download PDF

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Publication number
WO2025130615A1
WO2025130615A1 PCT/CN2024/136783 CN2024136783W WO2025130615A1 WO 2025130615 A1 WO2025130615 A1 WO 2025130615A1 CN 2024136783 W CN2024136783 W CN 2024136783W WO 2025130615 A1 WO2025130615 A1 WO 2025130615A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
porous matrix
supporting portion
support
atomizer
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/CN2024/136783
Other languages
English (en)
Chinese (zh)
Inventor
梁秀碧
鲁林海
夏智聪
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 WO2025130615A1 publication Critical patent/WO2025130615A1/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
    • A24F40/40—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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present application relates to the field of electronic atomization, and in particular to an atomizer and an electronic atomization device.
  • An electronic atomization device generally includes an atomizer and a power supply mechanism. Driven by the power supply mechanism, the atomizer can heat and atomize a stored liquid matrix through a porous ceramic body provided with a heating element to generate an aerosol for the user to inhale.
  • the embodiments of the present application provide an atomizer and an electronic atomization device to solve the technical problems caused by the current soft rubber support parts easily absorbing bubbles and hindering the liquid from flowing down and having poor sealing performance.
  • a nebulizer comprises: a shell having a liquid storage cavity for storing a liquid matrix; a flexible bracket housed in the shell, the flexible bracket having a liquid inlet, the liquid inlet being connected to the liquid storage cavity; an atomizing element for atomizing the liquid matrix from the liquid storage cavity to generate an aerosol, the atomizing element comprising a porous matrix and a heating element combined with the porous matrix, the porous matrix having a liquid absorption surface for receiving the liquid matrix, the porous matrix being mounted on the flexible bracket, the liquid absorption surface facing the liquid inlet and being connected to the liquid storage cavity through the liquid inlet; and a first supporting portion positioned on a side of the flexible bracket facing away from the porous matrix, the first supporting portion being used to provide support in a direction toward the porous matrix so as to press a portion of the flexible bracket onto the liquid absorption surface of the porous matrix.
  • At least a portion of the first support portion protrudes toward the atomizing element relative to the inner surface of the housing.
  • a hollow tube for defining a mist guiding channel is disposed in the housing, and at least a portion of the flexible bracket is located between the hollow tube and the first supporting portion.
  • the atomizer further comprises a base and a conductive electrode disposed on the base, the conductive electrode is supported on the other side of the porous matrix away from the liquid absorption surface, and the first supporting portion extends substantially parallel to the conductive electrode.
  • a second supporting portion for at least partially supporting the flexible bracket is further provided on the base, and the first supporting portion and the second supporting portion are correspondingly located at upper and lower sides of the liquid inlet.
  • the first support portion is a part of the housing, and the support portion protrudes from the inner wall of the housing toward the central axis of the housing.
  • the first supporting portion corresponds to the center position of the liquid absorbing surface in the width direction; and/or the first supporting portion extends from the liquid inlet to the liquid storage cavity.
  • a portion of the first supporting portion is connected between an outer wall of the hollow tube and an inner wall of the shell.
  • the support arm corresponds to the center position of the liquid absorbing surface in the width direction; and/or the annular portion is located in the liquid storage cavity.
  • the first supporting portion extends from the hollow tube toward the flexible bracket, and a distance is maintained between the first supporting portion and an inner wall of the shell.
  • the first support portion is at least partially inserted into the flexible bracket.
  • the atomizer provided in the above embodiment by providing a hard first support portion, presses a part of the flexible support onto the liquid absorption surface of the porous substrate, so that the flexible support forms a sealed hard support at the liquid absorption surface, thereby preventing oil leakage.
  • the hard first support portion extends from the liquid inlet to the liquid storage cavity, which can not only improve the smoothness of the liquid matrix flowing into the liquid inlet, but also guide a small amount of bubbles generated by the porous substrate absorbing oil in a dry state in a direction away from the liquid inlet, thereby preventing the atomization element from being insufficiently supplied with liquid matrix due to bubbles gathering on the liquid absorption surface.
  • FIG1 is a schematic diagram of an electronic atomization device provided in an embodiment of the present application.
  • FIG2 is a cross-sectional view of an atomizer provided by one embodiment of the present application.
  • FIG3 is a perspective schematic diagram of an atomizing element provided by an embodiment of the present application.
  • FIG4 is a perspective schematic diagram of a housing provided by an embodiment of the present application.
  • FIG5 is a perspective schematic diagram of a base provided by an embodiment of the present application.
  • FIG6 is a cross-sectional view of a flexible bracket provided by one embodiment of the present application.
  • FIG7 is a perspective schematic diagram of a flexible bracket provided by an embodiment of the present application.
  • FIG8 is a cross-sectional view of an atomizer provided by one embodiment of the present application.
  • FIG9 is a schematic diagram of an explosion structure of an atomizer provided by an embodiment of the present application.
  • FIG10 is a perspective schematic diagram of a housing provided by an embodiment of the present application.
  • FIG. 11 is a cross-sectional view of an atomizer provided in one embodiment of the present application.
  • the porous matrix 31 can be installed on the flexible support 20 in an orientation such that the liquid absorption surface 311 is parallel to the central axis, wherein the liquid absorption surface 311 faces the liquid inlet 201 and is connected with the liquid storage chamber 101 through the liquid inlet 201, so that the liquid matrix in the liquid storage chamber 101 flows to the liquid absorption surface 311 through the liquid inlet 201, and flows to the atomization surface 312 through the internal microporous structure of the porous matrix 31.
  • the heating element 32 is made of stainless steel, nickel-chromium alloy, iron-chromium-aluminum alloy or titanium. It is preferably formed on the atomizing surface 312 by mixing conductive raw material powder with printing aids into a slurry, printing according to a suitable pattern and then sintering, so that all or most of its surface is tightly combined with the atomizing surface 312, with high atomization efficiency, less heat loss, anti-dry burning or greatly reduced dry burning.
  • the heating element 32 adopts a variety of structural forms.
  • the heating element 32 can be a sheet heating element with a specific pattern formed on the atomizing surface 312, or a heating net, a disc heating element formed by a heating wire spiral, a heating film, etc.; for example, the specific pattern can be a serpentine shape.
  • the flexible support 20 is made of a flexible soft rubber material, such as silicone, rubber or thermoplastic elastomer (TPE), so the porous matrix 31 can be fixed at the liquid inlet 201 by interference fit. It is worth noting that due to the insufficient supporting force of the soft rubber material, the sealing performance between the flexible support 20 and the porous matrix 31 is poor, and the liquid matrix may penetrate into the atomization chamber 211 through the gap between the porous matrix 31 and the flexible support 20 to cause leakage.
  • TPE thermoplastic elastomer
  • the atomizer 100 further includes a first support portion 110, which is positioned on the side of the flexible support 20 away from the porous matrix 31, and is used to provide support in the direction toward the porous matrix 31 so as to press a portion of the flexible support 20 on the liquid absorption surface 311 of the porous matrix 31.
  • a portion of the first support portion 110 protrudes toward the atomization element 30 relative to the inner surface of the housing 10.
  • the first support portion 110 is a hard component, and cooperates with the soft flexible bracket 20 to achieve a sealed hard support on one side of the liquid absorption surface 311 of the porous matrix 31 .
  • a hollow tube 102 for defining a mist guide channel (not shown) is provided in the housing 10. At least part of the flexible bracket 20 is located between the hollow tube 102 and the first support portion 110, and the first support portion 110 is supported on the side of the flexible bracket 20 away from the hollow tube 102 to provide hard support to improve the sealing reliability between the hollow tube 102 and the flexible bracket 20, and prevent the liquid matrix in the liquid storage chamber 101 from penetrating into the atomization chamber 211 through the gap between the hollow tube 102 and the flexible bracket 20 to cause leakage.
  • the flexible bracket 20 has an air outlet 202, and the atomization chamber 211 is defined therein.
  • One end of the air outlet 202 is connected to the hollow tube 102, and the other end is connected to the atomization chamber 211.
  • the end of the hollow tube 102 away from the air outlet 202 has an inhalation port 103, and the inhalation port 103 is connected to the mist guide channel.
  • the hollow tube 102 is used to guide the aerosol stored in the atomizing chamber 211 out of the inhalation port 103 through the aerosol guide channel for inhalation by the user.
  • the first support portion 110 is a part of the housing 10, protruding from the inner wall of the housing 10 toward the central axis of the housing 10, and a part of the first support portion 110 is connected between the outer wall of the hollow tube 102 and the inner wall of the housing 10. It is worth noting that when the porous matrix 31 is in a dry state, a small amount of bubbles will be generated when it absorbs the liquid matrix. Considering the strong adsorption of the soft gel material, the bubbles are easily gathered near the liquid inlet 201 to hinder the normal liquid. In order to make the porous matrix 31 absorb liquid smoothly, the first support portion 110 extends from the liquid inlet 201 to the liquid storage chamber 101.
  • the first support portion 110 includes an annular portion 1101 sleeved on the outer wall of the hollow tube 102 and a support arm 1102 extending from the annular portion 1101 toward the liquid inlet 201, and the support arm 1102 presses a portion of the flexible bracket 20 on the liquid absorption surface 311 of the porous matrix 31 to achieve sealed hard support.
  • the annular portion 1101 is located in the liquid storage cavity 101, and the support arm 1102 corresponds to the center position of the liquid absorption surface 311 in the width direction.
  • the bubbles generated when the porous matrix 31 absorbs liquid can be guided by the first support portion 110 in a direction away from the liquid inlet 201, and the first support portion 110 can also drain the liquid matrix in the liquid storage cavity 101 to the liquid inlet 201.
  • the first support portion 110 extends from the hollow tube 102 toward the flexible support 20, and a distance is maintained between the first support portion 110 and the inner wall of the housing 10.
  • the first support portion 110 can be positioned at a side of the flexible support 20 away from the porous substrate 31 of the atomizing element 30, and is used to provide support in a direction toward the porous substrate 31 so as to press a portion of the flexible support 20 onto the liquid absorption surface 311 of the porous substrate 31.
  • the first support portion 110 may be at least partially inserted into the flexible support 20 to press a portion of the flexible support 20 onto the liquid absorbing surface 311 or the hollow tube 102 to improve the sealing reliability.
  • the base 40 includes a ventilation column 41, which is substantially parallel to the liquid absorption surface 311 of the porous matrix 31, and can be fixedly arranged on the base 40 or as a part of the base 40.
  • the flexible bracket 20 is provided with a ventilation jack 22 for accommodating at least a part of the ventilation column 41.
  • the ventilation socket 22 wraps the outer surface of the ventilation column 41, so that a ventilation channel (not marked) is defined between the outer surface of the ventilation column 41 and the inner surface of the ventilation socket 22.
  • the ventilation channel is used to provide air to enter the liquid storage chamber 101 to alleviate or eliminate the air pressure difference between the inside and outside of the liquid storage chamber 101, to avoid the air pressure difference preventing the liquid matrix from entering the porous matrix 31 from the liquid absorption surface 311, and to avoid the air in the atomizing chamber 211 from reversely osmotic to the liquid storage chamber 101 through the porous matrix 31, resulting in gas-liquid contact at the liquid absorption surface 311 to form bubbles that block the liquid matrix from entering the porous matrix 31.
  • the ventilation channel includes at least one air guide groove 410 located on the side of the ventilation column 41, and the air guide groove 410 and the inner surface of the ventilation socket 22 are enclosed to form the ventilation channel.
  • the air guide groove 410 extends linearly or curvedly along the longitudinal direction of the ventilation column 41 on the outer side of the ventilation column 41, so that the air guide groove 410 connects the liquid storage chamber 101 and the atomization chamber 211 to dynamically adjust the air pressure in the liquid storage chamber 101.
  • the air guide groove 410 has a suitable width or depth size to form a capillary effect, and the ventilation column 41 uses a hard material such as plastic to keep the air intake cross-sectional area of the air guide channel basically stable.
  • the air in the atomizing chamber 211 can enter the liquid storage chamber 101 through the ventilation channel to replenish air, thereby reducing the negative pressure inside the liquid storage chamber 101, and avoiding the poor liquid flow due to the low air pressure in the liquid storage chamber 101.
  • the air guide groove 410 can prevent the liquid matrix in the liquid storage chamber 101 from leaking through the air guide groove 410 to a certain extent. At the same time, a small amount of liquid matrix from the liquid storage chamber 101 can be retained in the air guide groove 410.
  • the air pressure in the liquid storage chamber 101 is too high due to reasons such as temperature increase, the liquid matrix can enter the ventilation channel to reduce the pressure of the liquid storage chamber 101, thereby avoiding the leakage of the liquid storage chamber 101 due to excessive internal air pressure.
  • the flexible support 20 is made of a flexible material, at least a portion of the flexible support 20 can provide a circumferential sealing connection between the housing 10 and the base 40 to prevent leakage of the liquid matrix in the liquid storage chamber 101.
  • a sealing rib 23 is provided around the outer wall of the flexible support 20, and the sealing rib 23 is elastically pressed against the inner wall of the housing 10 to achieve a sealed fit between the flexible support 20 and the housing 10.
  • a sealing surface 24 can also be provided around the outer wall of the flexible support 20, and the sealing surface 24 maintains a sealed engagement with the inner wall of the housing 10.
  • the base 40 includes a mounting portion 42 and an annular wall 43 extending from the mounting portion 42 toward the flexible bracket 20.
  • the flexible bracket 20 is provided with an annular groove 25 on one side facing the base 40, and the mounting portion 42 is fixedly connected to the housing 10 by inserting the annular wall 43 into the annular groove 25.
  • the portion of the annular wall 43 and the first support portion 110 located on the same side is defined as a second support portion 420, and the second support portion 420 is used to at least partially support the flexible bracket 20.
  • the first support portion 110 and the second support portion 420 are correspondingly located on the upper and lower sides of the liquid inlet 201, that is, both are located on the side away from the conductive electrode 60, and provide lateral support to the flexible bracket 20 in a direction perpendicular to the central axis, so that the first support portion 110 and the second support portion 420 cooperate with each other on the upper and lower sides of the liquid inlet 201 to ensure the sealing between the flexible bracket 20 and the liquid suction surface 311.
  • an air inlet 45 is also provided on the base 40, and the air inlet 45 is connected to the atomizing chamber 211, and the air inlet 45 is arranged coaxially with the air outlet 202 of the flexible bracket 20.
  • the projections of the atomizing element 30 and the air inlet 45 in a plane perpendicular to the central axis do not overlap each other, so that the air flow channel (not indicated) between the air inlet 45 and the air outlet 202 is a straight channel, thereby avoiding the air flow channel from being blocked by the atomizing element 30, forming an air flow dead angle area.
  • the atomizing surface 312 of the atomizing element 30 is substantially parallel to the air flow channel, thereby eliminating the turning structure in the air flow channel. Therefore, the air flow channel can smoothly pass through the atomizing chamber 211, and at the same time, the aerosol generated by the atomizing element 30 is timely and fully derived, thereby effectively reducing the formation of macromolecular particles in the aerosol, and effectively shortening the path of the aerosol to the inhalation port 103, so as to ensure that the aerosol can enter the user's mouth with a better taste, significantly improving the user experience.
  • the present application discloses an electronic atomization device 200 and its atomizer 100.
  • a part of the flexible bracket 20 made of soft rubber material is pressed on the liquid absorption surface 311 of the porous matrix 31, so that the support member and the flexible bracket 20 cooperate on one side of the liquid absorption surface 311 to form a sealed hard support, so as to improve the sealing support performance at the liquid inlet 201, which is conducive to preventing the occurrence of oil leakage.
  • the first support part 110 extends from the vicinity of the liquid inlet 201 to the liquid storage chamber 101, which can guide the liquid in the liquid storage chamber 101 and the bubbles generated by the porous matrix 31 absorbing liquid.

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  • Special Spraying Apparatus (AREA)

Abstract

L'invention concerne un atomiseur (100) et un dispositif d'atomisation électronique (200). L'atomiseur (100) comprend un boîtier (10), un support flexible (20), un élément d'atomisation (30) et une première partie de support (110). Une cavité de stockage de liquide (101) pour stocker un substrat liquide est disposée dans le boîtier (10); le support flexible (20) est logé dans le boîtier (10), et est pourvu d'une entrée de liquide (201), qui est en communication avec la cavité de stockage de liquide (101); l'élément d'atomisation (30) est conçu pour atomiser le substrat liquide de la cavité de stockage de liquide (101) de façon à produire un aérosol, et comprend une matrice poreuse (31) et un élément chauffant (31) lié à la matrice poreuse (31), la matrice poreuse (31) étant pourvue d'une surface d'absorption de liquide (311), qui est conçue pour recevoir le substrat liquide, la matrice poreuse (31) étant montée sur le support flexible (20), et la surface d'absorption de liquide (311) faisant face à l'entrée de liquide (201) et étant en communication avec la cavité de stockage de liquide (101) au moyen de l'entrée de liquide (201); et la première partie de support (110) est positionnée sur le côté du support flexible (20) qui est opposé à la matrice poreuse (31), et est conçue pour fournir un support dans la direction de la matrice poreuse (31), de telle sorte qu'une partie du support flexible (20) soit pressée contre la surface d'absorption de liquide (311) de la matrice poreuse (31). La première partie de support (110) permet au support flexible (20) de former un support dur d'étanchéité au niveau de la surface d'absorption de liquide (311), empêchant ainsi une fuite de liquide.
PCT/CN2024/136783 2023-12-21 2024-12-04 Atomiseur et dispositif d'atomisation électronique Pending WO2025130615A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202323516885.4 2023-12-21
CN202323516885.4U CN221449914U (zh) 2023-12-21 2023-12-21 雾化器及电子雾化装置

Publications (1)

Publication Number Publication Date
WO2025130615A1 true WO2025130615A1 (fr) 2025-06-26

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Application Number Title Priority Date Filing Date
PCT/CN2024/136783 Pending WO2025130615A1 (fr) 2023-12-21 2024-12-04 Atomiseur et dispositif d'atomisation électronique

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CN (1) CN221449914U (fr)
WO (1) WO2025130615A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN221449914U (zh) * 2023-12-21 2024-08-02 深圳市合元科技有限公司 雾化器及电子雾化装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023019728A1 (fr) * 2021-08-19 2023-02-23 比亚迪精密制造有限公司 Ensemble d'atomisation de cigarette électronique, procédé de préparation d'un noyau d'atomisation, et cigarette électronique
WO2023123247A1 (fr) * 2021-12-30 2023-07-06 深圳麦克韦尔科技有限公司 Atomiseur et dispositif d'atomisation électronique
US20230240360A1 (en) * 2020-06-16 2023-08-03 Shenzhen First Union Technology Co., Ltd. E-cigarette vaporizer and e-cigarette
WO2023151625A1 (fr) * 2022-02-14 2023-08-17 深圳市合元科技有限公司 Dispositif électronique d'atomisation et support pour dispositif électronique d'atomisation
WO2023186114A1 (fr) * 2022-04-02 2023-10-05 深圳市合元科技有限公司 Atomiseur et dispositif d'atomisation électronique
CN221449914U (zh) * 2023-12-21 2024-08-02 深圳市合元科技有限公司 雾化器及电子雾化装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230240360A1 (en) * 2020-06-16 2023-08-03 Shenzhen First Union Technology Co., Ltd. E-cigarette vaporizer and e-cigarette
WO2023019728A1 (fr) * 2021-08-19 2023-02-23 比亚迪精密制造有限公司 Ensemble d'atomisation de cigarette électronique, procédé de préparation d'un noyau d'atomisation, et cigarette électronique
WO2023123247A1 (fr) * 2021-12-30 2023-07-06 深圳麦克韦尔科技有限公司 Atomiseur et dispositif d'atomisation électronique
WO2023151625A1 (fr) * 2022-02-14 2023-08-17 深圳市合元科技有限公司 Dispositif électronique d'atomisation et support pour dispositif électronique d'atomisation
WO2023186114A1 (fr) * 2022-04-02 2023-10-05 深圳市合元科技有限公司 Atomiseur et dispositif d'atomisation électronique
CN221449914U (zh) * 2023-12-21 2024-08-02 深圳市合元科技有限公司 雾化器及电子雾化装置

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