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EP3711499B1 - Rauchersatzsystem - Google Patents

Rauchersatzsystem Download PDF

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Publication number
EP3711499B1
EP3711499B1 EP19020195.4A EP19020195A EP3711499B1 EP 3711499 B1 EP3711499 B1 EP 3711499B1 EP 19020195 A EP19020195 A EP 19020195A EP 3711499 B1 EP3711499 B1 EP 3711499B1
Authority
EP
European Patent Office
Prior art keywords
heater
csm
controller
mode
duration
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.)
Active
Application number
EP19020195.4A
Other languages
English (en)
French (fr)
Other versions
EP3711499B8 (de
EP3711499A1 (de
Inventor
Kate FERRIE
Ross Shenton
Chris Lord
Samantha MURRAY
Jonathan MARCHBANK
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.)
IMPERIAL TOBACCO Ltd
Original Assignee
Nerudia 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=65955015&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3711499(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nerudia Ltd filed Critical Nerudia Ltd
Priority to EP22206910.6A priority Critical patent/EP4190177A1/de
Priority to PL19020195.4T priority patent/PL3711499T3/pl
Priority to EP19020195.4A priority patent/EP3711499B8/de
Priority to ES19020195T priority patent/ES2939954T3/es
Publication of EP3711499A1 publication Critical patent/EP3711499A1/de
Application granted granted Critical
Publication of EP3711499B1 publication Critical patent/EP3711499B1/de
Publication of EP3711499B8 publication Critical patent/EP3711499B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • 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
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/49—Child proofing

Definitions

  • the present invention relates to a smoking substitute system and particularly, although not exclusively, to a smoking substitute system comprising a device which can be operated based on a selected mode, and methods of using such devices.
  • the smoking of tobacco is generally considered to expose a smoker to potentially harmful substances. It is generally thought that a significant amount of the potentially harmful substances are generated through the heat caused by the burning and/or combustion of the tobacco and the constituents of the burnt tobacco in the tobacco smoke itself.
  • Conventional combustible smoking articles such as cigarettes, typically comprise a cylindrical rod of tobacco comprising shreds of tobacco which is surrounded by a wrapper, and usually also a cylindrical filter axially aligned in an abutting relationship with the wrapped tobacco rod.
  • the filter typically comprises a filtration material which is circumscribed by a plug wrap.
  • the wrapped tobacco rod and the filter are joined together by a wrapped band of tipping paper that circumscribes the entire length of the filter and an adjacent portion of the wrapped tobacco rod.
  • a conventional cigarette of this type is used by lighting the end opposite to the filter, and burning the tobacco rod. The smoker receives mainstream smoke into their mouth by drawing on the mouth end or filter end of the cigarette.
  • Such smoking substitute systems can form part of nicotine replacement therapies aimed at people who wish to stop smoking and overcome a dependence on nicotine.
  • Smoking substitute systems include electronic systems that permit a user to simulate the act of smoking by producing an aerosol (also referred to as a "vapour") that is drawn into the lungs through the mouth (inhaled) and then exhaled.
  • aerosol also referred to as a "vapour”
  • the inhaled aerosol typically bears nicotine and/or flavourings without, or with fewer of, the odour and health risks associated with traditional smoking.
  • smoking substitute systems are intended to provide a substitute for the rituals of smoking, whilst providing the user with a similar experience and satisfaction to those experienced with traditional smoking and with combustible tobacco products.
  • Some smoking substitute systems use smoking substitute articles (also referred to as a "consumables”) that are designed to resemble a traditional cigarette and are cylindrical in form with a mouthpiece at one end.
  • HT Heated Tobacco
  • HNB Heat not burn
  • the tobacco may be leaf tobacco or reconstituted tobacco.
  • the vapour may contain nicotine and/or flavourings.
  • the intention is that the tobacco is heated but not burned, i.e. the tobacco does not undergo combustion.
  • a typical HT smoking substitute system may include a device and a consumable.
  • the consumable may include the tobacco material.
  • the device and consumable may be configured to be physically coupled together.
  • heat may be imparted to the tobacco material by a heating element of the device, wherein airflow through the tobacco material causes components in the tobacco material to be released as vapour.
  • a vapour may also be formed from a carrier in the tobacco material (this carrier may for example include propylene glycol and/or vegetable glycerine) and additionally volatile compounds released from the tobacco.
  • the released vapour may be entrained in the airflow drawn through the tobacco.
  • the vapour passes through the consumable (entrained in the airflow) from the location of vaporisation to an outlet of the consumable (e.g. a mouthpiece), the vapour cools and condenses to form an aerosol for inhalation by the user.
  • the aerosol will normally contain the volatile compounds.
  • HT smoking substitute systems heating as opposed to burning the tobacco material is believed to cause fewer, or smaller quantities, of the more harmful compounds ordinarily produced during smoking. Consequently, the HT approach may reduce the odour and/or health risks that can arise through the burning, combustion and pyrolytic degradation of tobacco.
  • WO 2012/085295 A1 describes an aerosol generating system comprising: a storage portion for storing an aerosol-forming substrate, an aerosol generating element for generating an aerosol from the aerosol-forming substrate, control circuitry in communication with the storage portion, and disabling means within the storage portion for rendering the storage portion inoperable in the aerosol generating system in response to a disable signal from the control circuitry.
  • an aerosol generating system comprising a storage portion for storing aerosol-forming substrate, an aerosol generating element for generating an aerosol from the aerosol-forming substrate, control circuitry in communication with the storage portion and disabling means within the storage portion configured to render the storage portion inoperable in the aerosol generating system in response to a disable signal from the control circuitry, the method including: sending a disable signal from the control circuitry to the disabling means following a determination that an amount of the aerosol-substrate in the storage portion is below a threshold level or following a determination of a malfunction in the system.
  • the present invention relates to a smoking substitute device that switches between a current mode and a mode selected by a user.
  • a smoking substitute device according to claim 1 of the accompanying claims.
  • a method of operating a smoking substitute device according to claim 5 of the accompanying claims.
  • the device may provide enhanced safety to prevent a child from using the device.
  • CSM child safety mode
  • the controller of the device may be configured to modify at least one control action of the device in response to the mode selection.
  • one or more control actions which are necessary to activate one or more functions of the device (such as heater operation) differ when in the CSM as compared with the N-CSM.
  • the control action comprises a user input. Any suitable user input may be used, and illustrative examples include depressing a button on a user interface, voice command, touch-screen input, rotation of a dial or knob and the like.
  • Providing a controller which modifies at least one control action of the device in response to the mode selection provides a child-safe function, since the necessary control action when in CSM can be designed to be more difficult for a child to perform (for example, more complex or convoluted or of longer duration).
  • the at least one control action of the device may be a tactile input on a user interface of the device. In some embodiments, the at least one control action of the device may be depressing of a power button on a user interface of the device.
  • the control action may be an action which controls one or more device functions, and these may be any device function.
  • the control action is an action which activates the heater of the device.
  • the control action may be a tactile input (e.g. depressing of a power button) on a user interface of the device which activates the heater of the device, e.g. to begin a heating cycle for the smoking of a consumable.
  • the control action is an action which controls or adjusts another function of the device.
  • the controller of the device is configured to modify the duration of time for which the control action must be performed in order to activate the heater, in response to the mode selection, i.e. when moving between CSM and N-CSM.
  • the controller of the device is configured to modify the duration of time for which a button on the user interface must be depressed in order to activate the heater, in response to the mode selection.
  • the controller of the device is configured to modify the duration of time for which the control action must be performed in order to activate the heater, between a first duration when in the child safety mode (CSM) and a second duration when in the non-child safety mode (N-CSM).
  • the controller of the device may be configured to modify the duration of time for which the power button must be depressed in order to activate the heater, between a first duration when in the child safety mode (CSM) and a second duration when in the non-child safety mode (N-CSM).
  • the first duration is longer than the second duration. In this way, the control action must be performed for a longer duration when in the CSM than required in the N-CSM, making it less likely that a child will be able to activate the heater.
  • the first duration is at least 1.5 times the length of the second duration, for example at least 1.6 times, at least 1.7 times, at least 1.8 times or at least 1.9 times.
  • the first duration is about twice the length of the second duration.
  • the first duration is about 6 seconds.
  • the second duration is about 3 seconds.
  • the controller of the device is configured to remain in the selected mode at all times until a user selects a different mode.
  • a specific mode such as CSM
  • the device will not return to another mode, such as N-CSM, until the user selects the alternative mode, regardless of the status of the device. So, in such embodiments, even powering down or battery depletion of the device will not change the mode of the device from the most recently selected mode. In this way, the device is safer because once CSM is selected it is impossible for the device to return to N-CSM unless N-CSM is selected by the user.
  • the controller of the device may be configured to modify the at least one control action such that two or more distinct control actions must be performed when in CSM in a pre-defined pattern in order to activate a function of the device (such as the heater).
  • the same control action must be performed two or more separate times, one after the other.
  • the duration of one of the control actions in the sequence is different from the duration of another of the control actions in the sequence.
  • the controller may require a first long control action to be performed (e.g. the depression of a button), followed by a subsequent second shorter control action (e.g. the depression of a button) to activate the heater.
  • control action is depressing a power button on a user interface, and the button must be pressed two or more times in a pre-defined pattern when in CSM in order to activate the function (e.g. heater). In this way, a more complex control action is necessary when in CSM to activate the function, thereby making activation by a child more difficult.
  • the controller is configured to modify an output function of the device in response to the mode selection. In some embodiments, the controller is configured to modify the heater operation in response to the mode selection. For example, the controller may be configured to introduce a time delay in supplying power to the heater when in CSM, wherein such a delay is absent when in N-CSM. In some embodiments, the controller may be configured to reduce the power supplied to the heater when in CSM relative to when in N-CSM. In some embodiments, the controller may be configured to prevent any power supply to the heater when in CSM, but re-enable power supply to the heater when in N-CSM.
  • the device may comprise an elongate body.
  • An end of the elongate body may be configured for engagement with an aerosol-forming article.
  • the body may be configured for engagement with a heated tobacco (HT) consumable (or heat-not-burn (HNB) consumable).
  • HT heated tobacco
  • HNB heat-not-burn
  • the terms "heated tobacco” and “heat-not-burn” are used interchangeably herein to describe a consumable that is of the type that is heated rather than combusted (or are used interchangeably to describe a device for use with such a consumable).
  • the device may comprise a cavity that is configured for receipt of at least a portion of the consumable (i.e. for engagement with the consumable).
  • the aerosol-forming article may be of the type that comprises an aerosol former (e.g. carried by an aerosol-forming substrate).
  • the device may comprise a heater for heating the aerosol-forming article.
  • the heater may comprise a heating element, which may be in the form of a rod that extends from the body of the device.
  • the heating element may extend from the end of the body that is configured for engagement with the aerosol-forming article.
  • the heater (and thus the heating element) may be rigidly mounted to the body.
  • the heating element may be elongate so as to define a longitudinal axis and may, for example, have a transverse profile (i.e. transverse to a longitudinal axis of the heating element) that is substantially circular (i.e. the heating element may be generally cylindrical).
  • the heating element may have a transverse profile that is rectangular (i.e. the heater may be a "blade heater”).
  • the heating element may alternatively be in the shape of a tube (i.e. the heater may be a "tube heater”).
  • the heating element may take other forms (e.g. the heating element may have an elliptical transverse profile).
  • the shape and/or size (e.g. diameter) of the transverse profile of the heating element may be generally consistent for the entire length (or substantially the entire length) of the heating element.
  • the heating element may be between 15 mm and 25 mm long, e.g. between 18 mm and 20 mm long, e.g. around 19 mm long.
  • the heating element may have a diameter of between 1.5 mm and 2.5 mm, e.g. a diameter between 2 mm and 2.3 mm, e.g. a diameter of around 2.15 mm.
  • the heating element may be formed of ceramic.
  • the heating element may comprise a core (e.g. a ceramic core) comprising Al 2 O 3 .
  • the core of the heating element may have a diameter of 1.8 mm to 2.1 mm, e.g. between 1.9 mm and 2 mm.
  • the heating element may comprise an outer layer (e.g. an outer ceramic layer) comprising Al 2 O 3 .
  • the thickness of the outer layer may be between 160 ⁇ m and 220 ⁇ m, e.g. between 170 ⁇ m and 190 ⁇ m, e.g. around 180 ⁇ m.
  • the heating element may comprise a heating track, which may extend longitudinally along the heating element.
  • the heating track may be sandwiched between the outer layer and the core of the heating element.
  • the heating track may comprise tungsten and/or rhenium.
  • the heating track may have a thickness of around 20 ⁇ m.
  • the heating element may be located in the cavity (of the device), and may extend (e.g. along a longitudinal axis) from an internal base of the cavity towards an opening of the cavity.
  • the length of the heating element i.e. along the longitudinal axis of the heater
  • the heating element may be less than the depth of the cavity.
  • the heating element may extend for only a portion of the length of the cavity. That is, the heating element may not extend through (or beyond) the opening of the cavity.
  • the heating element may be configured for insertion into an aerosol-forming article (e.g. a HT consumable) when an aerosol-forming article is received in the cavity.
  • a distal end (i.e. distal from a base of the heating element where it is mounted to the device) of the heating element may comprise a tapered portion, which may facilitate insertion of the heating element into the aerosol-forming article.
  • the heating element may fully penetrate an aerosol-forming article when the aerosol-forming article is received in the cavity. That is, the entire length, or substantially the entire length, of the heating element may be received in the aerosol-forming article.
  • the heating element may have a length that is less than, or substantially the same as, an axial length of an aerosol-forming substrate forming part of an aerosol-forming article (e.g. a HT consumable).
  • an aerosol-forming substrate forming part of an aerosol-forming article (e.g. a HT consumable).
  • the heating element may only penetrate the aerosol-forming substrate, rather than other components of the aerosol-forming article.
  • the heating element may penetrate the aerosol-forming substrate for substantially the entire axial length of the aerosol forming-substrate of the aerosol-forming article.
  • heat may be transferred from (e.g. an outer circumferential surface of) the heating element to the surrounding aerosol-forming substrate, when penetrated by the heating element. That is, heat may be transferred radially outwardly (in the case of a cylindrical heating element) or e.g. radially inwardly (in the case of a tube heater).
  • the heating element of the tube heater may surround at least a portion of the cavity.
  • the heating element may surround a portion of the aerosol-forming article (i.e. so as to heat that portion of the aerosol-forming article).
  • the heating element may surround an aerosol forming substrate of the aerosol-forming article. That is, when an aerosol-forming article is engaged with the device, the aerosol forming substrate of the aerosol-forming article may be located adjacent an inner surface of the (tubular) heating element. When the heating element is activated, heat may be transferred radially inwardly from the inner surface of the heating element to heat the aerosol forming substrate.
  • the cavity may comprise a (e.g. circumferential) wall (or walls) and the (tubular) heating element may extend around at least a portion of the wall(s).
  • the wall may be located between the inner surface of the heating element and an outer surface of the aerosol-forming article.
  • the wall (or walls) of the cavity may be formed from a thermally conductive material (e.g. a metal) to allow heat conduction from the heating element to the aerosol-forming article.
  • heat may be conducted from the heating element, through the cavity wall (or walls), to the aerosol-forming substrate of an aerosol-forming article received in the cavity.
  • the device may comprise a cap disposed at the end of the body that is configured for engagement with an aerosol-forming article.
  • the cap may at least partially enclose the heating element.
  • the cap may be moveable between an open position in which access is provided to the heating element, and a closed position in which the cap at least partially encloses the heating element.
  • the cap may be slideably engaged with the body of the device, and may be slideable between the open and closed positions.
  • the cap may define at least a portion of the cavity of the device. That is, the cavity may be fully defined by the cap, or each of the cap and body may define a portion of the cavity. Where the cap fully defines the cavity, the cap may comprise an aperture for receipt of the heating element into the cavity (when the cap is in the closed position).
  • the cap may comprise an opening to the cavity. The opening may be configured for receipt of at least a portion of an aerosol-forming article. That is, an aerosol-forming article may be inserted through the opening and into the cavity (so as to be engaged with the device).
  • the cap may be configured such that when an aerosol-forming article is engaged with the device (e.g. received in the cavity), only a portion of the aerosol-forming article is received in the cavity. That is, a portion of the aerosol-forming article (not received in the cavity) may protrude from (i.e. extend beyond) the opening.
  • This (protruding) portion of the aerosol-forming article may be a terminal (e.g. mouth) end of the aerosol-forming article, which may be received in a user's mouth for the purpose of inhaling aerosol formed by the device.
  • the device may comprise a power source or may be connectable to a power source (e.g. a power source separate to the device).
  • the power source may be electrically connectable to the heater. In that respect, altering (e.g. toggling) the electrical connection of the power source to the heater may affect a state of the heater. For example, toggling the electrical connection of the power source to the heater may toggle the heater between an on state and an off state.
  • the power source may be a power store.
  • the power source may be a battery or rechargeable battery (e.g. a lithium ion battery).
  • the device may comprise an input connection (e.g. a USB port, Micro USB port, USB-C port, etc.).
  • the input connection may be configured for connection to an external source of electrical power, such as a mains electrical supply outlet.
  • the input connection may, in some cases, be used as a substitute for an internal power source (e.g. battery or rechargeable battery). That is, the input connection may be electrically connectable to the heater (for providing power to the heater).
  • the input connection may form at least part of the power source of the device.
  • the input connection may be used to charge and recharge the power source.
  • the device may comprise a user interface (Ul).
  • the UI may include input means to receive operative commands from the user.
  • the input means of the UI may allow the user to control at least one aspect of the operation of the device.
  • the input means may comprise a power button to switch the device between an on state and an off state.
  • the UI may additionally or alternatively comprise output means to convey information to the user.
  • the output means may comprise a light to indicate a condition of the device (and/or the aerosol-forming article) to the user.
  • the condition of the device (and/or aerosol-forming article) indicated to the user may comprise a condition indicative of the operation of the heater.
  • the condition may comprise whether the heater is in an off state or an on state.
  • the UI unit may comprise at least one of a button, a display, a touchscreen, a switch, a light, and the like.
  • the output means may comprise one or more (e.g. two, three, four, etc.) light-emitting diodes ("LEDs") that may be located on the body of the device.
  • LEDs light-emitting diodes
  • the device may further comprise a puff sensor (e.g. airflow sensor), which form part of the input means of the Ul.
  • the puff sensor may be configured to detect a user drawing on an end (i.e. a terminal (mouth) end) of the aerosol-forming article.
  • the puff sensor may, for example, be a pressure sensor or a microphone.
  • the puff sensor may be configured to produce a signal indicative of a puff state.
  • the signal may be indicative of the user drawing (an aerosol from the aerosol-forming article) such that it is e.g. in the form of a binary signal.
  • the signal may be indicative of a characteristic of the draw (e.g. a flow rate of the draw, length of time of the draw, etc).
  • the device may comprise a controller, or may be connectable to a controller that may be configured to control at least one function of the device.
  • the controller may comprise a microcontroller that may e.g. be mounted on a printed circuit board (PCB).
  • the controller may also comprise a memory, e.g. non-volatile memory.
  • the memory may include instructions, which, when implemented, may cause the controller to perform certain tasks or steps of a method. Where the device comprises an input connection, the controller may be connected to the input connection.
  • the controller may be configured to control the operation of the heater (and e.g. the heating element).
  • the controller may be configured to control vaporisation of an aerosol forming part of an aerosol-forming article engaged with the device.
  • the controller may be configured to control the voltage applied by power source to the heater.
  • the controller may be configured to toggle between applying a full output voltage (of the power source) to the heater and applying no voltage to the heater.
  • the control unit may implement a more complex heater control protocol.
  • the device may further comprise a voltage regulator to regulate the output voltage supplied by the power source to form a regulated voltage.
  • the regulated voltage may subsequently be applied to the heater.
  • the controller may be operatively connected to one or more components of the UI.
  • the controller may be configured to receive command signals from an input means of the UI.
  • the controller may be configured to control the heater in response to the command signals.
  • the controller may be configured to receive "on" and “off” command signals from the UI and, in response, may control the heater so as to be in a corresponding on or off state.
  • the controller may be configured to send output signals to a component of the UI.
  • the UI may be configured to convey information to a user, via an output means, in response to such output signals (received from the controller).
  • the LEDs may be operatively connected to the controller.
  • the controller may configured to control the illumination of the LEDs (e.g. in response to an output signal).
  • the controller may be configured to control the illumination of the LEDs according to (e.g. an on or off) state of the heater.
  • the controller may be operatively connected to the sensor.
  • the controller may be configured to receive a signal from the sensor (e.g. indicative of a condition of the device and/or engaged aerosol-forming article).
  • the controller may be configured to control the heater, or an aspect of the output means, based on the signal from the sensor.
  • the controller may be configured to change at least one control action of the device based on the mode selected.
  • the device may therefore be able to operate differently in child safety mode (CSM) and non-child safety mode (N-CSM).
  • CSM child safety mode
  • N-CSM non-child safety mode
  • the device may comprise a wireless interface configured to communicate wirelessly (e.g. via Bluetooth (e.g. a Bluetooth low-energy connection) or Wi-Fi) with an external device.
  • the input connection may be configured for wired connection to an external device so as to provide communication between the device and the external device.
  • the external device may be a mobile device.
  • the external device may be a smart phone, tablet, smart watch, or smart car.
  • An application e.g. app
  • the application may facilitate communication between the device and the external device via the wired or wireless connection.
  • the wireless or wired interface may be configured to transfer signals between the external device and the controller of the device.
  • the controller may control an aspect of the device in response to a signal received from an external device.
  • an external device may respond to a signal received from the device (e.g. from the controller of the device).
  • the method further comprises modifying at least one control action of the device in response to the mode selection.
  • the at least one control action of the device is depressing of a power button on a user interface of the device to activate heater of the device.
  • Modifying the at least one control action comprises modifying the duration of time for which the control action must be performed in order to activate the heater, in response to the mode selection.
  • Modifying the at least one control action comprises modifying the duration of time for which the power button must be depressed in order to activate the heater, between a first duration when in the child safety mode (CSM) and a second duration when in the non-child safety mode (N-CSM).
  • the first duration is longer than the second duration.
  • modifying the at least one control action comprises modifying the at least one control action such that two or more distinct control actions must be performed when in CSM in a pre-defined pattern in order to activate the heater.
  • the invention includes the combination of the aspects and preferred features described except where such a combination is clearly impermissible or expressly avoided.
  • FIG 1A is a schematic providing a general overview of a smoking substitute system 100.
  • the system 100 includes a substitute smoking device 101 and an aerosol-forming article in the form of a consumable 102, which comprises an aerosol former 103.
  • the system is configured to vaporise the aerosol former by heating the aerosol former 103 (so as to form a vapour/aerosol for inhalation by a user).
  • the heater 104 forms part of the consumable 102 and is configured to heat the aerosol former 103.
  • the heater 104 is electrically connectable to the power source 105, for example, when the consumable 102 is engaged with the device 101. Heat from the heater 104 vaporises the aerosol former 103 to produce a vapour. The vapour subsequently condenses to form an aerosol, which is ultimately inhaled by the user.
  • the system 100 further comprises a power source 105 that forms part of the device 101.
  • the power source 105 may be external to (but connectable to) the device 101.
  • the power source 105 is electrically connectable to the heater 104 such that the power source 105 is able to supply power to the heater 104 (i.e. for the purpose of heating the aerosol former 103).
  • control of the electrical connection of the power source 105 to the heater 104 provides control of the state of the heater 104.
  • the power source 105 may be a power store, for example a battery or rechargeable battery (e.g. a lithium ion battery).
  • the system 100 further comprises an I/O module comprising a connector 106 (e.g. in the form of a USB port, Micro USB port, USB-C port, etc.).
  • the connector 106 is configured for connection to an external source of electrical power, e.g. a mains electrical supply outlet.
  • the connector 106 may be used in substitution for the power source 105. That is the connector 106 may be electrically connectable to the heater 104 so as to supply electricity to the heater 104.
  • the device may not include a power source, and the power source of the system may instead comprise the connector 106 and an external source of electrical power (to which the connector 106 provides electrical connection).
  • the connector 106 may be used to charge and recharge the power source 105 where the power source 105 includes a rechargeable battery.
  • the system 100 also comprises a user interface (UI) 107.
  • the UI 107 may include input means to receive commands from a user.
  • the input means of the UI 107 allows the user to control at least one aspect of the operation of the system 100.
  • the input means may, for example, be in the form of a button, touchscreen, switch, microphone, etc.
  • the UI 107 may allow the user to choose, the mode of operation, between child safety mode (CSM) and non-child safety mode (N-CSM) using one of the input means.
  • CSM child safety mode
  • N-CSM non-child safety mode
  • the UI 107 also comprises output means to convey information to the user.
  • the output means may, for example, comprise lights (e.g. LEDs), a display screen, speaker, vibration generator, etc.
  • the system 100 further comprises a controller 108 that is configured to control at least one function of the device 101.
  • the controller 108 is configured to switch between the child safety mode (CSM) and the non-child safety mode (N-CSM) in response to user selection of the mode.
  • the controller 108 is configured to modify at least one control action, for operating the device, in response to the mode selected by the user.
  • the controller 108 is a component of the device 101, but in other embodiments may be separate from (but connectable to) the device 101.
  • the controller 108 is configured to control the operation of the heater 104 and, for example, may be configured to control the voltage applied from the power source 105 to the heater 104.
  • the controller 108 may be configured to toggle the supply of power to the heater 104 between an on state, in which the full output voltage of the power source 105 is applied to the heater 104, and an off state, in which the no voltage is applied to the heater 104.
  • the controller 108 may be configured to include a delay while supplying power to the heater 104.
  • the controller 108 may be configured to include the delay while supplying power to the heater 104 when child safe mode (CSM) is selected by the user via the user interface (Ul) 107.
  • the controller 108 may include an internal clock that is used to introduce a time delay while supplying power to the heater 104 when child safe mode (CSM) is selected.
  • the system 100 may also comprise a voltage regulator to regulate the output voltage from the power source 105 to form a regulated voltage.
  • the regulated voltage may then be applied to the heater 104.
  • the controller 108 is operatively connected to the UI 107.
  • the controller 108 may receive an input signal from the input means of the UI 107.
  • the controller 108 may transmit output signals to the UI 107.
  • the output means of the UI 107 may convey information, based on the output signals, to a user.
  • the controller also comprises a memory 109, which is a non-volatile memory.
  • the memory 109 includes instructions, which, when implemented, cause the controller to perform certain tasks or steps of a method.
  • the memory also allows the current selected mode to be retained during e.g. a power down or battery depletion.
  • Figure 1B is a schematic showing a variation of the system 100 of Figure 1A .
  • the heater 104 forms part of the device 101, rather than the consumable 102.
  • the heater 104 is electrically connected to the power source 105.
  • Figures 2A and 2B illustrate a heated-tobacco (HT) smoking substitute system 200.
  • the system 200 is an example of the systems 100, 100' described in relation to Figures 1A or 1B .
  • System 200 includes an HT device 201 and an HT consumable 202.
  • the description of Figures 1A and 1B above is applicable to the system 200 of Figures 2A and 2B , and will thus not be repeated.
  • the device 201 and the consumable 202 are configured such that the consumable 202 can be engaged with the device 201.
  • Figure 2A shows the device 201 and the consumable 202 in an engaged state
  • Figure 2B shows the device 201 and the consumable 202 in a disengaged state.
  • the device 201 comprises a body 209 and cap 210.
  • the cap 210 is engaged at an end of the body 209.
  • the cap 210 is moveable relative to the body 209.
  • the cap 210 is slideable and can slide along a longitudinal axis of the body 209.
  • the device 201 comprises an output means (forming part of the UI of the device 201) in the form of a plurality of light-emitting diodes (LEDs) 211 arranged linearly along the longitudinal axis of the device 201 and on an outer surface of the body 209 of the device 201.
  • a button 212 is also arranged on an outer surface of the body 209 of the device 201 and is axially spaced (i.e. along the longitudinal axis) from the plurality of LEDs 211.
  • the device 201 optionally comprises an indicator unit (not shown) coupled to the controller 108.
  • the indicator unit (not shown) is configured to provide an indication to the user of the current mode.
  • the indicator unit may be configured to provide the indication of the current mode to the user via one of visual, haptic, audio etc. signals.
  • FIG. 2C illustrates a detailed view of the end of the device 201 that is configured to engage with the consumable 202.
  • the cap 210 of the device 201 includes an opening 221 to an internal cavity 222 (more apparent from Figure 2C ) defined by the cap 210.
  • the opening 221 and the cavity 222 are formed so as to receive at least a portion of the consumable 202.
  • a portion of the consumable 202 is received through the opening 221 and into the cavity 222.
  • the downstream end 218 of the consumable 202 protrudes from the opening 221 and thus also protrudes from the device 201.
  • the opening 221 includes laterally disposed notches 226. When a consumable 202 is received in the opening 221, these notches 226 remain open and could, for example, be used for retaining a cover in order to cover the end of the device 201.
  • Figure 2D shows a cross section through a central longitudinal plane through the device 201.
  • the device 201 is shown with the consumable 202 engaged therewith.
  • the device 201 comprises a heater 204 comprising heating element 223.
  • the heater 204 forms part of the body 209 of the device 201 and is rigidly mounted to the body 209.
  • the heater 204 is a rod heater with a heating element 223 having a circular transverse profile.
  • the heater may be in the form of a blade heater (e.g. heating element with a rectangular transverse profile) or a tube heater (e.g. heating element with a tubular form).
  • the heating element 223 of the heater 204 projects from an internal base of the cavity 222 along a longitudinal axis towards the opening 221. As is apparent from the figure, the length (i.e. along the longitudinal axis) of the heating element is less than a depth of the cavity 222. In this way, the heating element 223 does not protrude from or extend beyond the opening 221.
  • the heating element 223 penetrates the aerosol-forming substrate 213 of the consumable 202.
  • the heating element 223 extends for nearly the entire axial length of the aerosol-forming substrate 213 when inserted therein.
  • the heater 204 is activated, heat is transferred radially from an outer circumferential surface the heating element 223 to the aerosol-forming substrate 213.
  • the device 201 further comprises an electronics cavity 224.
  • a power source in the form of a rechargeable battery 205 (a lithium ion battery), is located in electronics cavity 224.
  • the device 201 includes a connector (i.e. forming part of an IO module of the device 201) in the form of a USB port 206.
  • the connector may alternatively be, for example, a micro-USB port or a USB-C port for examples.
  • the USB port 206 may be used to recharge the rechargeable battery 205.
  • the device 201 includes a controller (not shown) located in the electronics cavity 224.
  • the controller comprises a microcontroller mounted on a printed circuit board (PCB).
  • PCB printed circuit board
  • the USB port 206 is also connected to the controller 208 (i.e. connected to the PCB and microcontroller).
  • the controller 208 is configured to control at least one function of the device 202.
  • the controller 208 is configured to control the operation of the heater 204.
  • Such control of the operation of the heater 204 may be accomplished by the controller toggling the electrical connection of the rechargeable battery 205 to the heater 204.
  • the controller 208 is configured to control the heater 204 in response to mode selected by the user via the UI 107 of the device 201.
  • the controller 208 is configured to determine the mode of operation selected by the user, based on which the controller 208 is configured to modify at least one control action of the device 201 such as the depression of the power button 212 on a user interface of the device 201 to activate the heater 204. In embodiments, in response to mode selection, the controller 208 is configured to modify the duration of time for which the control action must be performed in order to activate the heater 204.
  • the controller 208 of the device 201 is configured to modify the duration of time for which the control action must be performed in order to activate the heater, between a first duration when the device 201 is in the child safety mode (CSM) and a second duration when the device 201 is in the non-child safety mode (N-CSM).
  • CSM child safety mode
  • N-CSM non-child safety mode
  • the controller 208 is configured to modify the duration of time for which the control action must be performed in order for power to be supplied to the heater 204.
  • the user may be required to press the power button 212 for a first duration, a longer duration, in the child safety mode (CSM) to activate heater 204.
  • the user is required to press the power button 212 when in CSM for double the duration for which the power button 212 is required to be pressed in non-child safety mode (N-CSM).
  • N-CSM non-child safety mode
  • the user when in child safety mode the user is required to press the power button 212 for one or more number of times in a pre-defined pattern to activate heater 204. It is to be appreciated that depressing the power button 212 may cause the controller 208 to allow a voltage (from the rechargeable battery 205) to be applied to the heater 204 so as to cause the heating element 223 to be heated.
  • the controller 208 is configured to modify the duration of time for which the control action must be performed by reducing the length of time for which the button must be depressed to activate the heater 2014 relative to CSM.
  • the user may be required to press the power button 212 for a second duration, for example shorter duration than when in CSM, to activate heater 204 in non-child safety mode (N-CSM).
  • the user may be required to press the power button 212 when in N-CSM for half the duration for which the button is required to be pressed when in child safety mode (CSM).
  • the first duration may be configured to be longer in comparison to second duration.
  • the controller 208 is further configured to remain in a selected mode at all times until a user selects a different mode. For example, the controller will ensure that the device remains in CSM until a positive input from the user which dictates a change in mode to N-CSM. The device therefore remembers the current mode through e.g. power down operations or battery depletion.
  • the controller 208 is also configured to control the LEDs 211 in response to (e.g. a detected) a condition of the device 201 or the consumable 202. For example, the controller may control the LEDs to indicate whether the device 201 is in an on state or an off state (e.g. one or more of the LEDs may be illuminated by the controller when the device is in an on state).
  • the device 201 comprises a further input means (i.e. in addition to the button 212) in the form of a puff sensor 225.
  • the puff sensor 225 is configured to detect a user drawing (i.e. inhaling) at the downstream end 218 of the consumable 202.
  • the puff sensor 225 may, for example, be in the form of a pressure sensor, flowmeter or a microphone.
  • the puff sensor 225 is operatively connected to the controller 208 in the electronics cavity 224, such that a signal from the puff sensor 225, indicative of a puff state (i.e. drawing or not drawing), forms an input to the controller 208 (and can thus be responded to by the controller 208).
  • FIG. 3 illustrates flowchart of method of switching the device between child safety mode (CSM) and non-child safety mode (N-CSM).
  • CSM child safety mode
  • N-CSM non-child safety mode
  • the method 300 includes one or more blocks implemented by the controller 208 of the device 201.
  • the method 300 may be described in the general context of controller executable instructions.
  • controller executable instructions can include routines, programs, objects, components, data structures, procedures, modules, and functions, which perform particular functions or implement particular abstract data types.
  • the order in which the method 300 is described is not intended to be construed as a limitation, and any number of the described method blocks can be combined in any order to implement the method 300. Additionally, individual blocks may be deleted from the method 300 without departing from the scope of the subject matter described herein. Furthermore, the method 300 can be implemented in any suitable hardware, software, firmware, or combination thereof.
  • the controller 208 determines the mode selected by the user. It is to be appreciated, prior to the step of determining the mode selected by the user, the method must include a step (not shown) of selecting a mode of operation, between child safety mode (CSM) and non-child safety mode (N-CSM), by the user.
  • CSM child safety mode
  • N-CSM non-child safety mode
  • the controller 208 further determines whether the mode selected by the user at block 301 is different from the current mode, i.e. the mode last selected by the user, or not. If the controller 208 determines the mode selected by the user is different from the current mode i.e. in which the device is currently operating, then the method proceeds to block 303 along the "YES" path. Otherwise, the method proceeds to block 304 along "NO" path.
  • the controller 208 switches from the current mode to the selected mode.
  • the method at block 303 discloses switching from non-child safe mode (N-CSM) to the child safety mode (CSM).
  • the controller 208 is configured for modifying the duration of time for which the control action must be performed in order to activate the heater.
  • the user when the device 201 is switched to the child safety mode (CSM) the user is required to press the power button 212 for the first duration, a longer duration, to activate heater 204.
  • the user is required to press the power button 212 for twice the duration for which the button is pressed in non-child safety mode (N-CSM).
  • the controller increases the duration of time for which the control action must be performed in order to activate the heater, from 3 seconds when in N-CSM to 6 seconds when in CSM.
  • the user when the device 201 is switched to the child safety mode the user is required to press the power button 212 for one or more number of times in a pre-defined pattern to activate heater 204 of the device, i.e. to allow a voltage (from the rechargeable battery 205) to be applied to the heater 204 (so as to cause the heating element 223 to be heated.
  • the method at block 303 switches from child safe mode (CSM) to non-child safety mode (N-CSM).
  • CSM child safe mode
  • N-CSM non-child safety mode
  • the controller 208 is configured for increasing the duration of time for which the control action must be performed in order to activate the heater 204.
  • the controller increases the duration of time for which the control action must be performed in order to activate the heater, from 6 seconds when in CSM to 3 seconds when in N-CSM.

Landscapes

  • Control Of Resistance Heating (AREA)
  • Catching Or Destruction (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (7)

  1. Rauchwarenersatzvorrichtung (201), die Folgendes umfasst:
    eine Steuerung (208), die ausgelegt ist, um einen von einem Benutzer ausgewählten Modus zu detektieren und als Antwort auf die Modusauswahl zwischen einem Kindersicherungsmodus (CSM) und einem Nicht-Kindersicherungsmodus (N-CSM) umzuschalten,
    wobei die Steuervorrichtung (208) ausgelegt ist, um als Antwort auf die Modusauswahl zumindest einen Steuervorgang der Vorrichtung und die Dauer, für die der Steuervorgang durchgeführt werden muss, um ein Heizelement (204) zu aktivieren, als Antwort auf die Modusauswahl zu ändern,
    wobei die Steuerung (208) der Vorrichtung ausgelegt ist, um die Dauer, für die der Steuervorgang durchgeführt werden muss, um das Heizelement (204) zu aktivieren, zwischen einer ersten Dauer, wenn der Kindersicherungsmodus (CSM) ausgewählt ist, und einer zweiten Dauer, wenn der Nicht-Kindersicherungsmodus (N-CSM) ausgewählt ist, zu ändern,
    dadurch gekennzeichnet, dass die erste Dauer länger als die zweite Dauer ist.
  2. Vorrichtung (201) nach Anspruch 1, wobei der zumindest eine Steuervorgang der Vorrichtung (201) im Drücken einer Ein/Aus-Taste auf einer Benutzerschnittstelle der Vorrichtung (201) zum Aktivieren des Heizelements (204) der Vorrichtung besteht.
  3. Vorrichtung (201) nach einem der Ansprüche 1 bis 2, wobei die Steuerung (208) ausgelegt ist, um zumindest einen Steuervorgang derart zu ändern, dass im CSM-Modus zwei oder mehrere unterschiedliche Steuervorgänge nach einem vorbestimmten Muster durchgeführt werden müssen, um das Heizelement zu aktivieren.
  4. Vorrichtung (201) nach einem der Ansprüche 1 bis 3, wobei die Steuerung der Vorrichtung (201) ausgelegt ist, um so lange in einem ausgewählten Modus zu verbleiben, bis ein Benutzer einen anderen Modus auswählt.
  5. Verfahren zum Umschalten einer Rauchwarenersatzvorrichtung (201) zwischen einem Kindersicherungsmodus (CSM) und einem Nicht-Kindersicherungsmodus (N-CSM), wobei das Verfahren Folgendes umfasst:
    Detektieren eines ausgewählten Modus; und
    Schalten zwischen dem Kindersicherungsmodus (CSM) und dem Nicht-Kindersicherungsmodus (N-CSM) als Antwort auf die Modusauswahl;
    Ändern von zumindest einem Steuervorgang der Vorrichtung als Antwort auf die Modusauswahl, wobei das Ändern des zumindest einen Steuervorgangs das Ändern der Dauer, für die der Steuervorgang durchgeführt werden muss, um ein Heizelement (204) zu aktivieren, als Antwort auf die Modusauswahl umfasst;
    wobei das Ändern des zumindest einen Steuervorgangs das Ändern der Dauer, für die die Ein/Aus-Taste gedrückt werden muss, um das Heizelement (204) zu aktivieren, zwischen einer ersten Dauer, wenn der Kindersicherungsmodus (CSM) ausgewählt ist, und einer zweiten Dauer, wenn der Nicht-Kindersicherungsmodus (N-CSM) ausgewählt ist, umfasst;
    dadurch gekennzeichnet, dass die erste Dauer länger als die zweite Dauer ist.
  6. Verfahren nach Anspruch 5, wobei der zumindest eine Steuervorgang der Vorrichtung (201) im Drücken einer Ein/Aus-Taste auf einer Benutzerschnittstelle der Vorrichtung (201) zum Aktivieren des Heizelements (204) der Vorrichtung (201) besteht.
  7. Verfahren nach Anspruch 5, wobei das Ändern des zumindest einen Steuervorgangs das Ändern des zumindest einen Steuervorgangs umfasst, so dass im CSM-Modus zwei oder mehrere unterschiedliche Steuervorgänge nach einem vorbestimmten Muster durchgeführt werden müssen, um das Heizelement (204) zu aktivieren.
EP19020195.4A 2019-03-22 2019-03-22 Rauchersatzsystem Active EP3711499B8 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP22206910.6A EP4190177A1 (de) 2019-03-22 2019-03-22 Rauchersatzsystem
PL19020195.4T PL3711499T3 (pl) 2019-03-22 2019-03-22 System zastępujący palenie
EP19020195.4A EP3711499B8 (de) 2019-03-22 2019-03-22 Rauchersatzsystem
ES19020195T ES2939954T3 (es) 2019-03-22 2019-03-22 Sistema sustituto de tabaco

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19020195.4A EP3711499B8 (de) 2019-03-22 2019-03-22 Rauchersatzsystem

Related Child Applications (2)

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EP22206910.6A Division-Into EP4190177A1 (de) 2019-03-22 2019-03-22 Rauchersatzsystem
EP22206910.6A Division EP4190177A1 (de) 2019-03-22 2019-03-22 Rauchersatzsystem

Publications (3)

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EP3711499A1 EP3711499A1 (de) 2020-09-23
EP3711499B1 true EP3711499B1 (de) 2023-01-04
EP3711499B8 EP3711499B8 (de) 2023-02-08

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ES (1) ES2939954T3 (de)
PL (1) PL3711499T3 (de)

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EP3120720A1 (de) 2014-03-20 2017-01-25 Kimree Hi-Tech Inc Verfahren zur verhinderung des zufälligen ziehens eines kindes an einer elektronischen zigarette
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Also Published As

Publication number Publication date
PL3711499T3 (pl) 2023-05-15
EP3711499B8 (de) 2023-02-08
EP4190177A1 (de) 2023-06-07
EP3711499A1 (de) 2020-09-23
ES2939954T3 (es) 2023-04-28

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