EP4085773A1 - Noyau d'atomisation, atomiseur et cigarette électronique - Google Patents

Noyau d'atomisation, atomiseur et cigarette électronique Download PDF

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Publication number
EP4085773A1
EP4085773A1 EP21000349.7A EP21000349A EP4085773A1 EP 4085773 A1 EP4085773 A1 EP 4085773A1 EP 21000349 A EP21000349 A EP 21000349A EP 4085773 A1 EP4085773 A1 EP 4085773A1
Authority
EP
European Patent Office
Prior art keywords
disposed
liquid
heating element
atomizing
seal
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
EP21000349.7A
Other languages
German (de)
English (en)
Inventor
Tuanfang Liu
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 Eigate Technology Co Ltd
Original Assignee
Shenzhen Eigate 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
Priority claimed from CN202120951088.0U external-priority patent/CN216853801U/zh
Priority claimed from CN202110491274.5A external-priority patent/CN113142667A/zh
Application filed by Shenzhen Eigate Technology Co Ltd filed Critical Shenzhen Eigate Technology Co Ltd
Publication of EP4085773A1 publication Critical patent/EP4085773A1/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the disclosure relates to an atomizing core, an atomizer, and an electronic cigarette.
  • Conventional atomizers include an atomizing core in the shape of a hollow cylinder.
  • the heating element is spirally disposed in the hollow cylinder, which blocks the flow of vapor/smoke in the atomizers.
  • the distance between two adjacent spiral coils varies, which leads to the uneven heating area of the heating elements, thus adversely affecting the taste of the e-liquid.
  • the first objective of the disclosure is to provide an atomizing core; the atomizing core comprises an atomizing body comprising a porous material; the atomizing body comprises a first side surface, a second side surface, and a heating element; the first side surface is configured to absorb e-liquid; the second side surface is configured for smoke emission; the heating element is disposed on the second side surface.
  • the porous material is configured to facilitate diffusion of e-liquid from the first side surface to the second side surface; the smoke generated has no space to escape when the heating element is disposed in a middle portion of the atomizing body; the atomizing body is in the form of a hollow tube or is thin in the shape of a film, a sheet, a layer, which facilitates heat transfer to the e-liquid and leads to an even temperature distribution; the heating element comprises at least one first pin and at least one second pin for conducting electricity, preferably one first pin and one second pin; the at least one first pin and the at least one second pin are electrically connected to the heating element through welding, riveting, contacting, sticking, threading, or a combination thereof, preferably welding.
  • the heating element is embedded in or exposed out of the second side surface.
  • embedded in means that the whole heating element is embedded in second side surface to prevent oxidization and erosion of the heating element, thus extending the service life of the heating element.
  • exposed out of means that the whole heating element is disposed on the second side surface; the term “exposed out of” can also mean that the second side surface is curved inward to form a concave segment and the heating element is partially disposed in the concave segment.
  • the heating element is in the shape of a string and/or a sheet embedded in or exposed out of the second side surface.
  • the string or the sheet structure increases surface area for atomization and contributes to an even heating of the e-liquid by the heating element, thus improving the taste of the e-liquid.
  • the heating element is in the form of a metal layer or a conductive pathway coated on the second side surface.
  • the heating element comprises conductive metal, graphene, carbon nanotubes, carbon nanofibers, or a combination thereof.
  • the conductive metal includes, but is not limited to, copper, silver, platinum, nickel, palladium, chromium, or a combination thereof, preferably copper, and more preferably silver; the conductive metal can also comprise conductive alloys, preferably iron-chromium-aluminum (FeCrAI) alloys or nickel-chromium (NiCr) alloys.
  • the atomizing body comprises ceramic, mica, glass, or a combination thereof, preferably ceramic.
  • the heating element is disposed outside the second side surface and is coated with a passivation layer.
  • the passivation layer is configured to prevent oxidization and erosion of the heating element, thus extending the service life of the heating element.
  • the passivation layer comprises gold, glass, ceramic, mica, or a combination thereof, preferably glass or ceramic.
  • the heating element is embedded in second side surface; a ratio of a distance between the heating element and the second side surface to a thickness of the heating element is ⁇ 1/3, preferably s 1/4, more preferably ⁇ 1/5, and most preferably ⁇ 1/10, and in particular ⁇ 1/20.
  • the ratio of a distance between the heating element and the second side surface to a thickness of the heating element is within a range of 1/20 to 1/5, the aerosol release is unimpeded.
  • the atomizing body further comprises a plurality of macropores and a plurality of micropores disposed around the plurality of macropores.
  • the plurality of micropores is configured to absorb the e-liquid; the plurality of macropores is configured to diffuse the e-liquid from the plurality of micropores to the second side surface.
  • the plurality of macropores has a diameter within a range of 0.05-0.5 mm and the plurality of micropores has a diameter within a range of 0.01-10 ⁇ m.
  • the atomizing body further comprises a thermostat configured to maintain the atomization temperature of the e-liquid.
  • the heating element is a resistive heating element; and the atomization temperature of the e-liquid is maintained through operations comprising measuring a resistance of the heating element and supplying a corresponding current to the heating element.
  • the heating element comprises a positive temperature coefficient (PTC) thermistor or metals having electrical resistance, preferably a PTC thermistor.
  • the second objective of the disclosure is to provide an atomizer; the atomizer comprises the atomizing core and an e-liquid tank configured to supply the e-liquid for the atomizing core; the e-liquid tank comprises an air passage and an e-liquid chamber configured to store the e-liquid; the atomizing body is disposed between the e-liquid chamber and the air passage; the second side surface is disposed towards the air passage; the first side surface is disposed towards the e-liquid chamber.
  • the e-liquid tank is hollow and comprises a bottom opening; the atomizer further comprises a seal member disposed in the bottom opening to seal the e-liquid tank; the e-liquid tank further comprises an open top functioning as a mouthpiece; the mouthpiece extends downward to form an air conduction tube; the seal member comprises a seal body and a hollow column protruding from the seal body to the air conduction tube; the hollow column communicates with the air conduction tube; the air conduction tube, the hollow column, and the seal body form the e-liquid chamber; the hollow column and/or the air conduction tube comprises a peripheral wall and an e-liquid inlet disposed on the peripheral wall; the atomizing body is next to the e-liquid inlet or is opposite to the e-liquid inlet; the hollow column is integrated with the air conduction tube, or the hollow column is connected to the air conduction tube through tight coupling.
  • the atomizer further comprises a first seal portion and a second seal portion; the first seal portion is disposed between the air conduction tube and the hollow column; the seal body comprises a concave portion communicating with the hollow column; the second seal portion is disposed in the concave portion; the atomizing body is in the shape of a sheet and is disposed between the first seal portion and the second seal portion; the e-liquid inlet is disposed on the hollow column; the concave portion comprises a bottom wall and a first air inlet disposed on the bottom wall; the first seal portion comprises a second air inlet; an air chamber is defined by the first seal portion, the atomizing body, the second seal portion, and the seal member; the air chamber communicates with the first air inlet and the second air inlet; the air conduction tube, the second air inlet, the air chamber, and the first air inlet constitute the air passage.
  • the number of the e-liquid inlet is not limited, preferably one.
  • the seal member is a T-shaped structure; the
  • the atomizer further comprises a first conductive member disposed in the bottom opening of the e-liquid tank to abut against the seal member; the atomizer further comprises at least one groove disposed between the first conductive member and the seal member; the e-liquid tank further comprises an outer wall and at least one third air inlet disposed on the outer wall; the at least one groove communicates with the at least one third air inlet and the air passage.
  • the number of the third air inlet is matched to demand, preferably two.
  • the first conductive member comprises a bottom plate; the bottom plate comprises a through hole and a hollow cylinder communicating with the through hole; the atomizer further comprises a second conductive member and an insulating ring; the second conductive member is disposed into the hollow cylinder of the first conductive member; the insulating ring is disposed between the first conductive member and the second conductive member.
  • the hollow column comprises a threaded outer surface configured to connected to a battery assembly; the first conductive member is also configured to conduct electricity.
  • the heating element is connected to at least one first pin and at least one second pin; the at least one first pin and the at least one second pin are electrically connected to the first conductive member and the second conductive member, respectively.
  • the atomizing body is in the form of a hollow tube; the hollow tube comprises a hollow channel constituting a part of the air passage; the atomizing body constitutes a part of a side wall of the e-liquid chamber.
  • the third objective of the disclosure is to provide an electronic cigarette; the electronic cigarette comprises the atomizer and a battery assembly; the atomizer is fixedly or detachably connected to the battery assembly.
  • the atomizer is formed integrally with the battery assembly or it is affixed thereto using magnets, threads, plugs, or a combination thereof.
  • the seal member, the first seal portion, and the second seal portion separately comprise rubber, silica gel, or plastic; the seal member can also comprise a hard material, such as hard plastic and hard glass.
  • the atomizing core comprises the porous materials configured to absorb the e-liquid, which increases surface area for atomization and contributes to an even temperature distribution, thus improving the taste of the e-liquid.
  • E-liquid tank 1. E-liquid tank; 2. First seal portion; 3. Seal member; 4. Seal ring; 5. Atomizing body; 6. Second seal portion; 7. First conductive member; 8. Screw; 9. Insulating ring; 10. Second conductive member; 101. Mouthpiece; 102. Third air inlet; 103. E-liquid chamber; 104. Air conduction tube; 201. Second air inlet; 301. Hollow column; 302. Groove; 303. Air chamber; 304. E-liquid inlet; 501. First pin; 502. Heating element; 503. Second pin; 601. Gap; and 602. First air inlet.
  • the electronic cigarette comprises an atomizer and a battery assembly; the atomizer is formed integrally with or detachably connected to the battery assembly; the atomizer comprises an atomizing core comprising an atomizing body; the atomizing body is in a shape of a sheet, a hollow tube, etc.
  • the atomizer comprises an e-liquid tank 1, a first seal portion 2, a seal member 3, a seal ring 4, an atomizing body 5, a second seal portion 6, a first conductive member 7, a plurality of screws 8, an insulating ring 9, and a second conductive member 10.
  • the atomizing body 5 comprises a heating element 502 configured to absorb and atomize e-liquid.
  • the heating element 502 is in the form of a conductive wire, a conductive sheet, or a conductive ink.
  • the heating element 502 can be any shape including a spiral shape, a wavy shape, or other shape.
  • the heating element 502 comprises a first pin 501 and a second pin 503 for conducting electricity.
  • the first pin 501 and the second pin 503 are disposed on both ends of the heating element 502.
  • the e-liquid tank 1 comprises an e-liquid chamber 103 and an air conduction tube 104.
  • the e-liquid chamber 103 is configured store the e-liquid and the air conduction tube 104 is configured to allow air and smoke to flow through.
  • the e-liquid tank 1 further comprises a narrow-necked top functioning as a mouthpiece 101.
  • the air conduction tube 104 comprises a top portion communicating with the mouthpiece and configured to conduct air and smoke.
  • the mouthpiece extends downward to form the air conduction tube 104.
  • the seal member 3 is a T-shaped structure comprising a seal body 300 and a hollow column 301.
  • the hollow column 301 protrudes from the seal body 300.
  • the seal member 3 is disposed in a bottom opening of the e-liquid tank 1.
  • the seal body 300 comprises a concave portion communicating with the hollow column 301.
  • the heating element 502 is in the shape of a sheet and is disposed between the first seal portion 2 and the second seal portion 6.
  • the second seal portion 6 is disposed in the concave portion.
  • the concave portion comprises a bottom wall and a first air inlet 602 is disposed on the bottom wall.
  • the first seal portion 2 comprises a second air inlet 201.
  • An air chamber 303 is defined by the first seal portion 2, the atomizing body 5, the second seal portion 6, and the seal member 3.
  • the air chamber 303 communicates with the first air inlet 602 and the second air inlet 201.
  • the air conduction tube 104, the second air inlet 201, the air chamber 303, and the first air inlet 602 constitute the air passage.
  • the air conduction tube 104 is disposed on the top end of the hollow column 301 and communicates with the air passage; the first seal portion 2 is disposed between the air conduction tube 104 and the hollow column 301.
  • the first seal portion 2 is T-shaped and is disposed in a bottom portion of the air conduction tube 104 to prevent leakage of the e-liquid and air.
  • the hollow column 301 comprises a peripheral wall and an e-liquid inlet 304 disposed on the peripheral wall.
  • the e-liquid inlet 304 communicates with the e-liquid chamber 103 so as to conduct the e-liquid into the heating element 502.
  • the atomizing body 5 further comprises a first side surface directly opposite to the e-liquid inlet 304 and configured to absorb the e-liquid.
  • the atomizing body 5 further comprises a second side directly opposite to the first side surface and configured for smoke emission.
  • the heating element 502 is disposed on the second side surface and the air chamber 303 extends along a side of the second side surface.
  • a gap 601 is formed between the first seal portion 2 and the second seal portion 6 and is disposed between the e-liquid inlet 304 and the first side surface. The e-liquid flows through the gap 601 into the atomizing body 5.
  • the seal ring 4 is disposed around the seal member 3 to seal the e-liquid chamber 103.
  • the seal member 3 further comprises an outer surface and at least one groove 302 disposed on the outer surface.
  • the e-liquid tank 1 comprises an outer wall and at least one third air inlet 102 disposed on the outer wall. The at least one groove 302 and the at least one third air inlet 102 are directly opposite each other and communicate with the air chamber 303.
  • the first conductive member 7 is disposed in the bottom opening of the e-liquid tank 1 by the plurality of screws 8.
  • the first conductive member 7 comprises a hollow cylinder and the second conductive member 10 is disposed in the hollow cylinder.
  • the insulating ring 9 is disposed between the first conductive member 7 and the second conductive member 10.
  • the first conductive member 7 and the second conductive member 10 are electrically connected to the first pin 501 and the second pin 503, respectively.
  • the e-liquid in the e-liquid chamber 103 flows through the e-liquid inlet 304 and the gap 601 successively, and enters the atomizing body 5.
  • the e-liquid is atomized to produce smoke and the smoke is discharged to the air chamber 303.
  • Outside air flows through the at least one third air inlet 102 and enters the at least one groove 302 into the air chamber 303, causing the smoke to flow through the second air inlet 201. Then the smoke passes through the air conduction tube 104 and the mouthpiece 101, and is inhaled by a user.
  • the atomizing body 5 is hollow.
  • the atomizing body 5 comprises an outer wall functioning as the first side surface and configured to absorb the e-liquid.
  • the atomizing body 5 further comprises an inner wall functioning as the second side surface and configured to release the smoke.
  • the heating element 502 is disposed on the second side surface.
  • the atomizing body 5 further comprises a hollow channel communicating with the air conduction tube 104.
  • the e-liquid tank 1 comprises a housing.
  • the e-liquid chamber 103 is formed by the air conduction tube 104, the atomizing body 5, the housing, and the seal member 3.
  • the atomizing body 5 constitutes a part of the air passage.
  • the seal member 3 does not comprise the hollow column 301, the first seal portion 2, and the second seal portion 6.
  • the electronica cigarette comprises a first seal ring 4 and a second seal ring 4 both configured to prevent leakage of the e-liquid.
  • the first seal ring 4 is disposed between the atomizing body 5 and the seal member 3 and the second seal ring 4 is disposed between the atomizing body 5 and the air conduction tube 104.
  • the two seal rings 4 are rings or pads comprising rubber, plastic, or silica gel.

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  • Special Spraying Apparatus (AREA)
  • Catching Or Destruction (AREA)
EP21000349.7A 2021-05-06 2021-12-10 Noyau d'atomisation, atomiseur et cigarette électronique Pending EP4085773A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120951088.0U CN216853801U (zh) 2021-05-06 2021-05-06 一种雾化芯、雾化器及电子烟
CN202110491274.5A CN113142667A (zh) 2021-05-06 2021-05-06 一种雾化芯、雾化器及电子烟

Publications (1)

Publication Number Publication Date
EP4085773A1 true EP4085773A1 (fr) 2022-11-09

Family

ID=78844826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21000349.7A Pending EP4085773A1 (fr) 2021-05-06 2021-12-10 Noyau d'atomisation, atomiseur et cigarette électronique

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US (1) US20220354174A1 (fr)
EP (1) EP4085773A1 (fr)
CA (1) CA3142803C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4091467A1 (fr) * 2021-05-22 2022-11-23 Shenzhen Eigate Technology Co., Ltd. Dispositif d'atomisation et cigarette électronique le comprenant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207978958U (zh) * 2018-02-13 2018-10-19 深圳麦克韦尔股份有限公司 电子烟及其发热组件
CN210581001U (zh) * 2019-06-14 2020-05-22 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器和发热组件
WO2020108258A1 (fr) * 2018-11-29 2020-06-04 深圳市合元科技有限公司 Atomiseur de cigarette électronique et cigarette électronique l'utilisant
US20200359704A1 (en) * 2019-05-14 2020-11-19 Dongguang TPS Electronic Technology Co., Ltd. Microporous ceramic thick-film heating element for electronic cigarette oil atomizing core, and manufacturing method thereof
WO2021027871A1 (fr) * 2019-08-13 2021-02-18 彭晓峰 Nouveau noyau d'atomisation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004061883A1 (de) * 2004-12-22 2006-07-06 Vishay Electronic Gmbh Heizeinrichtung für ein Inhalationsgerät, Inhalationsgerät und Erwärmungsverfahren
CN107048479B (zh) * 2016-05-16 2020-04-10 湖南中烟工业有限责任公司 一种电子烟雾化器
CN110693087A (zh) * 2019-10-18 2020-01-17 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207978958U (zh) * 2018-02-13 2018-10-19 深圳麦克韦尔股份有限公司 电子烟及其发热组件
WO2020108258A1 (fr) * 2018-11-29 2020-06-04 深圳市合元科技有限公司 Atomiseur de cigarette électronique et cigarette électronique l'utilisant
US20200359704A1 (en) * 2019-05-14 2020-11-19 Dongguang TPS Electronic Technology Co., Ltd. Microporous ceramic thick-film heating element for electronic cigarette oil atomizing core, and manufacturing method thereof
CN210581001U (zh) * 2019-06-14 2020-05-22 深圳麦克韦尔科技有限公司 电子雾化装置及其雾化器和发热组件
WO2021027871A1 (fr) * 2019-08-13 2021-02-18 彭晓峰 Nouveau noyau d'atomisation

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Publication number Publication date
US20220354174A1 (en) 2022-11-10
CA3142803C (fr) 2024-02-13
CA3142803A1 (fr) 2022-11-06

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