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WO2022268807A1 - Dispositif de génération d'aérosol comprenant une partie de commutation, cartouche amovible associée et ensemble de génération d'aérosol - Google Patents

Dispositif de génération d'aérosol comprenant une partie de commutation, cartouche amovible associée et ensemble de génération d'aérosol Download PDF

Info

Publication number
WO2022268807A1
WO2022268807A1 PCT/EP2022/066870 EP2022066870W WO2022268807A1 WO 2022268807 A1 WO2022268807 A1 WO 2022268807A1 EP 2022066870 W EP2022066870 W EP 2022066870W WO 2022268807 A1 WO2022268807 A1 WO 2022268807A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
aerosol generating
removable cartridge
battery
pair
Prior art date
Application number
PCT/EP2022/066870
Other languages
English (en)
Inventor
Dalibor PURKOVIC
Original Assignee
Jt International S.A.
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 Jt International S.A. filed Critical Jt International S.A.
Publication of WO2022268807A1 publication Critical patent/WO2022268807A1/fr

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
    • A24F40/30—Devices using two or more structurally separated inhalable precursors, e.g. using two liquid precursors in two cartridges
    • 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
    • A24F40/50—Control or monitoring

Definitions

  • Aerosol generating device comprising a switch portion, and associated removable cartridge and aerosol generating set
  • the present invention concerns an aerosol generating device comprising a switch portion.
  • the present invention also concerns a removable cartridge configured to operate with such an aerosol generating device, and an aerosol generating set comprising such an aerosol generating device and such a removable cartridge.
  • aerosol generating devices comprise a storage portion for storing an aerosol forming precursor, which can comprise for example a liquid or a solid.
  • a heating system is formed of one or more electrically activated resistive heating elements arranged to heat said precursor to generate the aerosol.
  • the aerosol is released into a flow path extending between an inlet and outlet of the device.
  • the outlet may be arranged as a mouthpiece, through which a user inhales for delivery of the aerosol.
  • the precursor is stored in a removable cartridge.
  • the cartridge can be easily removed and replaced.
  • a screw-threaded or magnetic connection or any other type of connection can for example be used.
  • the aerosol generating devices comprise generally a battery able to power the heating system.
  • the powering may be controlled by a control module connecting the heating system to the battery via an electric circuit.
  • the control module is connected permanently to the battery. This leads to a permanent battery consumption even when the aerosol generating device is not used to generate aerosol and is put into an OFF- state. This state corresponds thus to a sleep mode of the device.
  • this battery consumption in the sleep mode can exhaust the battery and reduce the battery life. In some cases, it can even damage the battery and/or the device.
  • some aerosol generating devices are provided with a special shipping mode making it possible to disconnect the battery from the control module. However, this mode is not always suitable for the user since it requires some additional manipulations to activate the device.
  • One of the aims of the present invention is to propose an aerosol generating device making it possible to avoid power consumption when the device is not used. This can save the battery charge even for long periods, prolong the battery life and improve overall device safety.
  • the invention relates to an aerosol generating device configured to operate with a removable cartridge comprising a vaporizable material, the aerosol generating device comprising:
  • control module configured to be powered by the battery and to control the powering of the heater circuit to heat the vaporizable material
  • the aerosol generating device being characterized in that the power circuit comprises a switch portion configured to:
  • the battery can be physically disconnected from the control module when the aerosol generating device is not used.
  • the device in this case, the device is not in the sleep mode but rather completely shut down.
  • battery connection/disconnection can be performed by the user by inserting/removing the cartridge.
  • the cartridge acts thus like a “car key” and gives to the user a very simple and intuitive way to connect/disconnect the battery.
  • the switch portion comprises a pair of device power contacts configured to be short circuited by a by-pass conductor comprised in the removable cartridge.
  • the pair of device power contacts is designed to be in contact with a pair of cartridge power contacts of the removable cartridge connected to opposite ends of the by-pass conductor.
  • the switch portion can be carried out in a simple way since it is sufficient to connect the device power contacts by the by-pass conductor to connect the battery and the control module.
  • the pair of device power contacts protrudes from a wall of the cavity configured to be in contact with a contact surface of the removable cartridge.
  • the device comprises a pair of device heater contacts connected to the control module via the heater circuit and configured to power a heating element comprised in the removable cartridge.
  • the cartridge can be provided with a heating element which is powered by the battery of the device.
  • the pair of device heater contacts is different from the pair of device power contacts.
  • the power circuit can be separated from the heater circuit so as to not affect the operation of this heater circuit.
  • the pair of device heater contacts protrudes from said wall of the cavity.
  • both device heater and power pairs of contacts can be arranged on the same wall of the cavity of the device.
  • the invention also relates to a removable cartridge configured to operate with the aerosol generating device as defined above and comprising connection means configured to cause the switch portion of the power circuit of the aerosol generating device to connect the control module to the battery when the removable cartridge is received at least partially in the cavity.
  • connection means comprise a by-pass conductor extending between a pair of cartridge power contacts.
  • connection/disconnection of the switch portion can be easily performed by connection/disconnection of the device power contacts.
  • the pair of cartridge power contacts protrudes from a contact surface of the cartridge.
  • the removable cartridge comprises a heating element and a pair of cartridge heater contacts configured to connect the heating element to the heater circuit of the aerosol generating device.
  • the pair of cartridge heater contacts is different from the pair of cartridge power contacts.
  • the power circuit can be separated from the heater circuit so as to not affect the operation of this heater circuit.
  • the pair of cartridge heater contacts protrudes from the contact surface of the cartridge. Thanks to these features, both cartridge heater and power pairs of contacts can be arranged on the same contact surface of the cartridge.
  • the invention also relates to an aerosol generating set, comprising an aerosol generating device and a removable cartridge, as defined above.
  • FIG. 1 is a schematic diagram showing an aerosol generating set according to the invention.
  • FIG. 1 is an example of electrical connection inside the aerosol generating set of Figure 1.
  • the term “aerosol generation device” or “device” may include a vaping device to deliver an aerosol to a user, including an aerosol for vaping, by means of aerosol generating unit (e.g. an aerosol generating element which generates vapor which condenses into an aerosol before delivery to an outlet of the device at, for example, a mouthpiece, for inhalation by a user).
  • the device may be portable. “Portable” may refer to the device being for use when held by a user.
  • the device may be adapted to generate a variable amount of aerosol, e.g. by activating a heating system for a variable amount of time (as opposed to a metered dose of aerosol), which can be controlled by a trigger.
  • the trigger may be user activated, such as a vaping button and/or inhalation sensor.
  • the inhalation sensor may be sensitive to the strength of inhalation as well as the duration of inhalation to enable a variable amount of vapor to be provided (so as to mimic the effect of smoking a conventional combustible smoking article such as a cigarette, cigar or pipe, etc.) ⁇
  • the device may include a temperature regulation control to drive the temperature of the heater and/or the heated aerosol generating substance (aerosol pre-cursor) to a specified target temperature and thereafter to maintain the temperature at the target temperature that enables efficient generation of aerosol.
  • aerosol may include a suspension of precursor as one or more of: solid particles; liquid droplets; gas. Said suspension may be in a gas including air. Aerosol herein may generally refer to/include a vapor. Aerosol may include one or more components of the precursor.
  • vaporizable material or “aerosol-forming precursor” may refer to one or more of a: liquid; solid; gel; mousse; foam or other substances.
  • the vaporizable material may be processable by the heating system of the device to form an aerosol as defined herein.
  • the vaporizable material may comprise one or more of: nicotine; caffeine or other active components.
  • the active component may be carried with a carrier, which may be a liquid.
  • the carrier may include propylene glycol or glycerin.
  • a flavoring may also be present. The flavoring may include Ethylvanillin (vanilla), menthol, Isoamyl acetate (banana oil) or similar.
  • a solid aerosol forming substance may be in the form of a rod, which contains processed tobacco material, a crimped sheet or oriented strips or shreds of reconstituted tobacco (RTB).
  • FIG. 1 shows an aerosol generating set 10 according to the invention.
  • This aerosol generating set 10 comprises an aerosol generating device 12 and a removable cartridge 14 configured to operate with the aerosol generating device 12.
  • the aerosol generating device 12 extends along a device axis X and comprises a housing 21 delimiting a cavity 23 configured to receive, at least partially, the removable cartridge 14.
  • the cavity 23 extends for example according to the device axis X and is delimited by a bottom wall 25 perpendicular to the device axis X and at least one side wall 27 extending along the device axis X.
  • the housing 21 delimits an internal space of the device 12 receiving various elements designed to carry out different functionalities of the device 12.
  • This internal space can for example receive a power block 31 for powering the device 12, a control module 32 for controlling the operation of the device 12 and at least a device part 33 of a heating system configured to heat a vaporizable material contained in the removable cartridge 14 as it will be explained in further detail below.
  • the internal space of the housing 21 may further comprise other internal components performing different functionalities of the device 12 known perse. These internal components will not be explained in detail below.
  • Figure 1 presents only a schematic diagram of different components of the aerosol generating device 12 and does not necessarily show the real physical arrangement and dimensions of these components. Particularly, such an arrangement can be chosen according to the design of the aerosol generating device 12 and technical features of its components.
  • the power block 31 comprises a battery 35 and a battery charger 36.
  • the battery 35 is for example a known battery designed to be charged using the power supply furnished by an external source and to provide a direct current of a predetermined voltage.
  • the battery charger 36 is able to connect the battery 35 to the external source and comprises for this purpose a power connector (like for example a mini-USB or USB-C connector) or wireless charging connector.
  • the battery charger 36 is also able to control the power delivered from the external source to the battery 35 according for example to a predetermined charging profile.
  • a charging profile can for example define a charging voltage of the battery 35 depending on its level of charge.
  • the control module 32 is configured to control the operation of the aerosol generating device 12 and notably, of the heating system to generate aerosol by controlling the powering of this heating system by the battery 35.
  • the control module 32 is connected to the battery 35 by a power circuit 41 and to at least the device part 33 of the heating system by a heater circuit 42. Both circuits 41 , 42 are shown on Figure 2 and will be explained in more detail with reference to this Figure 2.
  • the control module 32 may comprise a controller and/or a printed circuit board (PCB). In this last case, at least one of the circuits 41 and 42 can be at least partially integrated in the PCB.
  • PCB printed circuit board
  • the heating system operates using a heating element comprised in the removable cartridge 14 and connected by wire to the device part 33 of the heating system.
  • the device part 33 of the heating system comprises a pair of contacts, called hereinafter device heater contacts 45A, 45B.
  • each device heater contact 45A, 45B can be connected via the heater circuit 42 to the control module 32.
  • one the device heater contacts 45A, 45B is connected to the control module 32 via the heater circuit 42 and the other device heater contact 45A, 45B is connected directly to the battery 35.
  • the device heater contacts 45A, 45B are designed to be in contact with corresponding contacts of the removable cartridge 14 as it will be explained below.
  • the device heater contacts 45A, 45B protrude from at last a wall delimiting the cavity 23 as for example the bottom wall 25.
  • the device part 33 of the heating system can be formed by any other component, depending on the type of the heating system.
  • the device part 33 can comprise a magnetic coil able to create a magnetic field around the removable cartridge 14.
  • the entire heating system is comprised in the aerosol generating device 12. In this case, it can comprise a heating plate or wall designed to be in contact with at least one external surface of the removable cartridge 14 or a heating blade designed to penetrate at least a part of the removable cartridge 14.
  • the power circuit 41 comprises a switch portion 47 configured to connect the control module 32 to the battery 35 upon insertion of the cartridge 14 at least partially in the cavity 23, and to disconnect it from the battery upon extraction of the cartridge 14 from the cavity 23.
  • the switch portion 47 is formed by a disconnection in this circuit 41 .
  • this switch portion 47 comprises a pair of contacts, called hereinafter device power contacts 49A, 49B.
  • These device power contacts 49A, 49B are isolated one from the other and are designed to be short circuited by an external by-pass conductor in order to close the power circuit 41 .
  • this external by-pass conductor is comprised in the removable cartridge 14 as it will be explained in further detail below.
  • the device power contacts 49A, 49B can protrude from a wall delimiting the cavity 23 and notably, from the bottom wall 25.
  • the device power contacts 49A, 49B may be arranged on this bottom wall 25 between the device heater contacts 45A, 45B.
  • the device heater contacts 45A, 45B are arranged between the device power contacts 49A, 49B.
  • the contacts 45A, 49A and 45B, 49B can be arranged symmetrically in respect with a centre of the bottom wall 25 and the cartridge 14 can be inserted into the cavity 23 according to at least two opposite orientations.
  • the contacts 45A, 45B, 49A, 49B are arranged asymmetrically on the bottom wall 25.
  • the pair of contacts 45A, 45B and the pair of contacts 49A, 49B can be arranged on opposite sides of the bottom wall 25.
  • the cavity 23 and/or the removable cartridge 14 can be provided with a key element making it possible to receive the cartridge 14 inside the cavity 23 according to a unique orientation. This key element prevents against a wrong insertion orientation of the cartridge 14.
  • Other examples of respective arrangements of the contacts 45A, 45B, 49A, 49B on at least one wall or different walls of the cavity 23 are still possible.
  • the cartridge 14 comprises a body 51 having a shape at least partially complementary to the shape of the cavity 23.
  • the cartridge 14 can be received at least partially inside the cavity 23.
  • the body 51 extends between a proximal end 52 designed to be received entirely in the cavity 23 and a distal end 53 designed to be received in the cavity 23 or protrude from it.
  • the distal end 53 can form a mouthpiece designed to be in contact with the user’s mouth and/or lips during a vaping session.
  • the proximal end 52 forms a contact surface 55 extending perpendicularly to the device axis X when the cartridge 14 is received in the cavity 23 and designed to be in contact with the bottom wall 25 of the cavity 23.
  • the body 51 receives internal components of the removable cartridge 14. These internal components include notably a storage portion 56 and connection means designed to cause the switch portion 47 of the power circuit 41 to connect the control module 32 to the battery 35, upon insertion of the cartridge 14 at least partially in the cavity 23. Additionally, in the example of the Figures, the internal components of the body 51 further comprise a cartridge part 63 of the heating system designed to cooperate with the device part 33 of the heating system.
  • the storage portion 56 is designed to store a vaporizable material, notably a liquid vaporizable material in the example of the Figures. According to other examples, the vaporizable material can be a solid substrate.
  • the cartridge part 63 of the heating system is designed to cooperate with the device part 33 of the heating system when the cartridge 14 is received at least partially in the cavity 23.
  • the composition of the cartridge part 63 depends on the type of the heating system.
  • the cartridge part 63 comprises a heating element 64 arranged in a flow channel of the cartridge 14 and connected to the storage portion 56 via for example a wick.
  • the cartridge part 63 of the heating system further comprises a pair of cartridge heater contacts 65A, 65B designed to be in contact with the device heater contacts 45A, 45B when the cartridge 14 is received at least partially in the cavity 23.
  • the cartridge heater contacts 65A, 65B can protrude from the contact surface 55 of the body 51 to face the device heater contacts 45A, 45B.
  • the cartridge part 63 of the heating system may comprise only susceptors arranged for example in the storage portion 56. In this case, no cartridge heater contact is necessary.
  • the heating system is arranged entirely in the aerosol generating device 12 so as no cartridge part 63 is necessary to heat the susceptor.
  • connection means of the cartridge 14 are formed by a by-pass conductor 57 designed to close the power circuit 41 so as the control module 32 can be powered by the battery 35.
  • the by pass conductor 57 extends between a pair of cartridge power contacts 69A, 69B designed to be in contact with the device power contacts 49A, 49B to short circuit the switch portion 47.
  • the cartridge power contacts 69A, 69B can protrude from the contact surface 55 of the body 51 and face the corresponding device power contacts 49A, 49B.
  • the by-pass conductor 57 can extend on the contact surface 55 or be integrated inside the body 51.
  • the cartridge contacts 65A, 65B, 69A, 69B can be arranged symmetrically or asymmetrically in respect with a centre of the contact surface 55.
  • connection means may comprise any other mechanical and/or electrical elements designed to cause the switch portion 47 to close the power circuit 41 upon insertion of the cartridge 14 at least partially in the cavity 23.
  • the connection means may form an actuator configured to actuate the switch portion 47 presenting a push-button upon insertion of the cartridge 14 at least partially in the cavity 23.
  • a by-pass conductor similar to the by-pass conductor 57 mentioned above, can be arranged in the device 12 at distance from the device power contacts 49A, 49B when the cartridge 14 is not inserted in the cavity 23 and can for example be pushed to close the power circuit 41 upon its insertion. This can be performed using for example an elastic element.
  • the switch portion 47 of the power circuit 41 disconnects physically the control module 32 from the battery 35.
  • the connection means cause the switch portion 47 to close power circuit 41.
  • the device power contacts 49A, 49B are engaged with the cartridge power contacts 69A, 69B and the by pass conductor 57 closes the power circuit 41 .
  • the control module 32 can thus be powered by the battery 35.
  • control module 32 can activate immediately the heater circuit 42 to power the heating system and generate vapour, or can be in a sleep mode. In this last case, an additional user action, such for example a puff, is required to start vapour generation.

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Abstract

La présente invention concerne un dispositif de génération d'aérosol conçu pour fonctionner avec une cartouche amovible et comprenant une cavité conçue pour recevoir la cartouche amovible, une batterie (35), un circuit de chauffage (42), un module de commande (32) conçu pour être alimenté par la batterie (35) et pour commander la mise sous tension du circuit de chauffage (42) pour chauffer un matériau vaporisable, et un circuit électrique (41) connectant la batterie (35) au module de commande (32). Le circuit électrique (41) comprend une partie de commutation (47) conçue pour déconnecter le module de commande (32) de la batterie (35) lorsque la cartouche amovible (14) n'est pas reçue dans la cavité (23), et pour connecter le module de commande (32) à la batterie (35) lorsque la cartouche amovible (14) est reçue au moins partiellement dans la cavité (23).
PCT/EP2022/066870 2021-06-22 2022-06-21 Dispositif de génération d'aérosol comprenant une partie de commutation, cartouche amovible associée et ensemble de génération d'aérosol WO2022268807A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21180833 2021-06-22
EP21180833.2 2021-06-22

Publications (1)

Publication Number Publication Date
WO2022268807A1 true WO2022268807A1 (fr) 2022-12-29

Family

ID=76553592

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/066870 WO2022268807A1 (fr) 2021-06-22 2022-06-21 Dispositif de génération d'aérosol comprenant une partie de commutation, cartouche amovible associée et ensemble de génération d'aérosol

Country Status (1)

Country Link
WO (1) WO2022268807A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3307101A1 (fr) * 2015-06-12 2018-04-18 Philip Morris Products S.a.s. Reconnaissance de produit dans des dispositifs de génération d'aérosol
US20190110520A1 (en) * 2017-09-08 2019-04-18 Altria Client Services Llc Consumable identification
EP3641574A1 (fr) * 2017-06-23 2020-04-29 Philip Morris Products S.a.s. Dispositif de vapotage non combustible
CN111248504A (zh) * 2019-12-24 2020-06-09 深圳麦克韦尔科技有限公司 电子雾化装置的雾化器识别电路及相关装置
US20200367566A1 (en) * 2017-12-29 2020-11-26 Jt International S.A. Electrically Operated Aerosol Generation System with Authentication of Consumable
EP3744198A1 (fr) * 2019-04-12 2020-12-02 Shenzhen Smoore Technology Limited Procédé et dispositif de commande d'économie d'énergie pour dispositif d'atomisation électronique et dispositif d'atomisation électronique
EP3777571A1 (fr) * 2015-06-29 2021-02-17 Nicoventures Trading Limited Système de fourniture de vapeur électronique

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3307101A1 (fr) * 2015-06-12 2018-04-18 Philip Morris Products S.a.s. Reconnaissance de produit dans des dispositifs de génération d'aérosol
EP3777571A1 (fr) * 2015-06-29 2021-02-17 Nicoventures Trading Limited Système de fourniture de vapeur électronique
EP3641574A1 (fr) * 2017-06-23 2020-04-29 Philip Morris Products S.a.s. Dispositif de vapotage non combustible
US20190110520A1 (en) * 2017-09-08 2019-04-18 Altria Client Services Llc Consumable identification
US20200367566A1 (en) * 2017-12-29 2020-11-26 Jt International S.A. Electrically Operated Aerosol Generation System with Authentication of Consumable
EP3744198A1 (fr) * 2019-04-12 2020-12-02 Shenzhen Smoore Technology Limited Procédé et dispositif de commande d'économie d'énergie pour dispositif d'atomisation électronique et dispositif d'atomisation électronique
CN111248504A (zh) * 2019-12-24 2020-06-09 深圳麦克韦尔科技有限公司 电子雾化装置的雾化器识别电路及相关装置

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