EP3547859B1 - Lithium-ionen-batterie mit linearer regulierung für eine aerosolabgabevorrichtung - Google Patents

Lithium-ionen-batterie mit linearer regulierung für eine aerosolabgabevorrichtung Download PDF

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Publication number
EP3547859B1
EP3547859B1 EP17817158.3A EP17817158A EP3547859B1 EP 3547859 B1 EP3547859 B1 EP 3547859B1 EP 17817158 A EP17817158 A EP 17817158A EP 3547859 B1 EP3547859 B1 EP 3547859B1
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EP
European Patent Office
Prior art keywords
delivery device
aerosol delivery
power source
rechargeable
microprocessor
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
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EP17817158.3A
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English (en)
French (fr)
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EP3547859A1 (de
Inventor
Rajesh SUR
Eric T. Hunt
Stephen B. Sears
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RAI Strategic Holdings Inc
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RAI Strategic Holdings Inc
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Priority claimed from US15/368,166 external-priority patent/US10470495B2/en
Application filed by RAI Strategic Holdings Inc filed Critical RAI Strategic Holdings Inc
Publication of EP3547859A1 publication Critical patent/EP3547859A1/de
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Publication of EP3547859B1 publication Critical patent/EP3547859B1/de
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    • 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
    • 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
    • A24F40/90—Arrangements or methods specially adapted for charging batteries thereof
    • 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 present disclosure relates to aerosol delivery devices such as smoking articles, and more particularly to aerosol delivery devices that may utilize electrically generated heat for the production of aerosol (e.g., smoking articles commonly referred to as electronic cigarettes).
  • the smoking articles may be configured to heat an aerosol precursor, which may incorporate materials that may be made or derived from, or otherwise incorporate tobacco, the precursor being capable of forming an inhalable substance for human consumption.
  • WO 2012/120487 A2 discloses a medicant delivery system wherein the carrier for the medicant is a fluid that can be atomized or vaporized by exposure to heat.
  • the present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices.
  • the present disclosure thus includes, without limitation, the following example implementations.
  • An aerosol delivery device comprising at least one housing enclosing a reservoir configured to retain an aerosol precursor composition; a heating element; a power source connected to an electrical load that includes the heating element, the power source comprising a rechargeable lithium-ion battery (LiB) and a linear regulator between the power source and load, the linear regulator being configured to maintain a constant voltage level at the electrical load; and a microprocessor configured to operate in an active mode in which the microprocessor is configured to direct power from the power source to the heating element and thereby control the heating element to activate and vaporize components of the aerosol precursor composition, wherein the power source further comprises a rechargeable supercapacitor chargeable from the rechargeable LiB, and configured to provide power to the electrical load, the linear regulator being connected to the rechargeable supercapacitor, between the rechargeable supercapacitor and electrical load, a resistor connected to the LiB, between the LiB and the linear regulator, and wherein the microprocessor being configured to direct power from the power source
  • the aerosol delivery device of any preceding example implementation, or any combination of any preceding example implementations, wherein the aerosol delivery device further comprises a motion sensor configured to detect a defined motion of the aerosol delivery device that indicates a vulnerability of the aerosol delivery device, the motion sensor being configured to convert the defined motion to an electrical signal, wherein the microprocessor or motion sensor is configured to recognize the vulnerability and an operation associated with the vulnerability based on the electrical signal, and the microprocessor is configured to control at least one functional element of the aerosol delivery device to perform the operation, which is thereby performed in response to detection of the vulnerability.
  • a motion sensor configured to detect a defined motion of the aerosol delivery device that indicates a vulnerability of the aerosol delivery device, the motion sensor being configured to convert the defined motion to an electrical signal
  • the microprocessor or motion sensor is configured to recognize the vulnerability and an operation associated with the vulnerability based on the electrical signal
  • the microprocessor is configured to control at least one functional element of the aerosol delivery device to perform the operation, which is thereby performed in response to detection of the vulnerability
  • a control body coupled or coupleable with a cartridge that is equipped with a heating element and contains an aerosol precursor composition the control body being coupled or coupleable with the cartridge to form an aerosol delivery device in which the heating element is configured to activate and vaporize components of the aerosol precursor composition
  • the control body comprising a power source connected to an electrical load that includes the heating element when the control body is coupled with the cartridge, the power source comprising a rechargeable lithium-ion battery (LiB) and a linear regulator between the power source and load, the linear regulator being configured to maintain a constant voltage level at the electrical load; and a microprocessor configured to operate in an active mode in which the control body is coupled with the cartridge, the microprocessor in the active mode being configured to direct power from the power source to the heating element and thereby control the heating element to activate and vaporize components of the aerosol precursor composition, wherein the power source further comprises a rechargeable supercapacitor chargeable from the rechargeable LiB, and configured to provide power to the electrical load, the linear
  • control body of any preceding example implementation, or any combination of any preceding example implementations wherein the control body further comprises a motion sensor configured to detect a defined motion of the aerosol delivery device that indicates a vulnerability of the aerosol delivery device, the motion sensor being configured to convert the defined motion to an electrical signal, wherein the microprocessor or motion sensor is configured to recognize the vulnerability and an operation associated with the vulnerability based on the electrical signal, and the microprocessor is configured to control at least one functional element of the aerosol delivery device to perform the operation, which is thereby performed in response to detection of the vulnerability.
  • a motion sensor configured to detect a defined motion of the aerosol delivery device that indicates a vulnerability of the aerosol delivery device, the motion sensor being configured to convert the defined motion to an electrical signal
  • the microprocessor or motion sensor is configured to recognize the vulnerability and an operation associated with the vulnerability based on the electrical signal
  • the microprocessor is configured to control at least one functional element of the aerosol delivery device to perform the operation, which is thereby performed in response to detection of the vulnerability.
  • control body of any preceding example implementation, or any combination of any preceding example implementations, wherein the microprocessor being configured to control at least one functional element includes being configured to shut off the power source, which is thereby shut off in response to detection of the vulnerability of the aerosol delivery device.
  • example implementations of the present disclosure relate to aerosol delivery devices.
  • Aerosol delivery devices use electrical energy to heat a material (preferably without combusting the material to any significant degree) to form an inhalable substance; and components of such systems have the form of articles most preferably are sufficiently compact to be considered hand-held devices. That is, use of components of preferred aerosol delivery devices does not result in the production of smoke in the sense that aerosol results principally from byproducts of combustion or pyrolysis of tobacco, but rather, use of those preferred systems results in the production of vapors resulting from volatilization or vaporization of certain components incorporated therein.
  • components of aerosol delivery devices may be characterized as electronic cigarettes, and those electronic cigarettes most preferably incorporate tobacco and/or components derived from tobacco, and hence deliver tobacco derived components in aerosol form.
  • Aerosol generating pieces of certain preferred aerosol delivery devices may provide many of the sensations (e.g., inhalation and exhalation rituals, types of tastes or flavors, organoleptic effects, physical feel, use rituals, visual cues such as those provided by visible aerosol, and the like) of smoking a cigarette, cigar or pipe that is employed by lighting and burning tobacco (and hence inhaling tobacco smoke), without any substantial degree of combustion of any component thereof.
  • the user of an aerosol generating piece of the present disclosure can hold and use that piece much like a smoker employs a traditional type of smoking article, draw on one end of that piece for inhalation of aerosol produced by that piece, take or draw puffs at selected intervals of time, and the like.
  • Aerosol delivery devices of the present disclosure also can be characterized as being vaporproducing articles or medicament delivery articles.
  • articles or devices can be adapted so as to provide one or more substances (e.g., flavors and/or pharmaceutical active ingredients) in an inhalable form or state.
  • substances e.g., flavors and/or pharmaceutical active ingredients
  • inhalable substances can be substantially in the form of a vapor (i.e., a substance that is in the gas phase at a temperature lower than its critical point).
  • inhalable substances can be in the form of an aerosol (i.e., a suspension of fine solid particles or liquid droplets in a gas).
  • aerosol as used herein is meant to include vapors, gases and aerosols of a form or type suitable for human inhalation, whether or not visible, and whether or not of a form that might be considered to be smoke-like.
  • aerosol delivery devices of the present disclosure may be subjected to many of the physical actions employed by an individual in using a traditional type of smoking article (e.g., a cigarette, cigar or pipe that is employed by lighting and inhaling tobacco).
  • a traditional type of smoking article e.g., a cigarette, cigar or pipe that is employed by lighting and inhaling tobacco.
  • the user of an aerosol delivery device of the present disclosure can hold that article much like a traditional type of smoking article, draw on one end of that article for inhalation of aerosol produced by that article, take puffs at selected intervals of time, etc.
  • Aerosol delivery devices of the present disclosure generally include a number of components provided within an outer body or shell, which may be referred to as a housing.
  • the overall design of the outer body or shell can vary, and the format or configuration of the outer body that can define the overall size and shape of the aerosol delivery device can vary.
  • an elongated body resembling the shape of a cigarette or cigar can be a formed from a single, unitary housing or the elongated housing can be formed of two or more separable bodies.
  • an aerosol delivery device can comprise an elongated shell or body that can be substantially tubular in shape and, as such, resemble the shape of a conventional cigarette or cigar. In one example, all of the components of the aerosol delivery device are contained within one housing.
  • an aerosol delivery device can comprise two or more housings that are joined and are separable.
  • an aerosol delivery device can possess at one end a control body comprising a housing containing one or more reusable components (e.g., an accumulator such as a rechargeable battery and/or rechargeable supercapacitor, and various electronics for controlling the operation of that article), and at the other end and removably coupleable thereto, an outer body or shell containing a disposable portion (e.g., a disposable flavor-containing cartridge).
  • a disposable portion e.g., a disposable flavor-containing cartridge
  • Aerosol delivery devices of the present disclosure most preferably comprise some combination of a power source (i.e., an electrical power source), at least one control component (e.g., means for actuating, controlling, regulating and ceasing power for heat generation, such as by controlling electrical current flow the power source to other components of the article - e.g., a microprocessor, individually or as part of a microcontroller), a heater or heat generation member (e.g., an electrical resistance heating element or other component, which alone or in combination with one or more further elements may be commonly referred to as an "atomizer"), an aerosol precursor composition (e.g., commonly a liquid capable of yielding an aerosol upon application of sufficient heat, such as ingredients commonly referred to as "smoke juice,” “e-liquid” and “e-juice”), and a mouthend region or tip for allowing draw upon the aerosol delivery device for aerosol inhalation (e.g., a defined airflow path through the article such that aerosol generated can be withdrawn therefrom upon
  • the aerosol precursor composition can be located near an end of the aerosol delivery device which may be configured to be positioned proximal to the mouth of a user so as to maximize aerosol delivery to the user.
  • the heating element can be positioned sufficiently near the aerosol precursor composition so that heat from the heating element can volatilize the aerosol precursor (as well as one or more flavorants, medicaments, or the like that may likewise be provided for delivery to a user) and form an aerosol for delivery to the user.
  • the heating element heats the aerosol precursor composition, an aerosol is formed, released, or generated in a physical form suitable for inhalation by a consumer.
  • the aerosol delivery device may incorporate a battery or other electrical power source to provide current flow sufficient to provide various functionalities to the aerosol delivery device, such as powering of a heater, powering of control systems, powering of indicators, and the like.
  • the power source can take on various implementations.
  • the power source is able to deliver sufficient power to rapidly heat the heating element to provide for aerosol formation and power the aerosol delivery device through use for a desired duration of time.
  • the power source preferably is sized to fit conveniently within the aerosol delivery device so that the aerosol delivery device can be easily handled. Additionally, a preferred power source is of a sufficiently light weight to not detract from a desirable smoking experience.
  • FIG. 1 illustrates a side view of an aerosol delivery device 100 including a control body 102 and a cartridge 104, according to various example implementations of the present disclosure.
  • FIG. 1 illustrates the control body and the cartridge coupled to one another.
  • the control body and the cartridge may be detachably aligned in a functioning relationship.
  • Various mechanisms may connect the cartridge to the control body to result in a threaded engagement, a press-fit engagement, an interference fit, a magnetic engagement or the like.
  • the aerosol delivery device may be substantially rod-like, substantially tubular shaped, or substantially cylindrically shaped in some example implementations when the cartridge and the control body are in an assembled configuration.
  • the aerosol delivery device may also be substantially rectangular, rhomboidal or triangular in cross-section, multifaceted shapes, or the like, some of which may lend itself to greater compatibility with a substantially flat or thin-film power source, such as a power source including a flat battery.
  • the cartridge and control body may include separate, respective housings or outer bodies, which may be formed of any of a number of different materials.
  • the housing may be formed of any suitable, structurally-sound material.
  • the housing may be formed of a metal or alloy, such as stainless steel, aluminum or the like.
  • Other suitable materials include various plastics (e.g., polycarbonate), metal-plating over plastic, ceramics and the like.
  • control body 102 or the cartridge 104 of the aerosol delivery device 100 may be referred to as being disposable or as being reusable.
  • the control body may have a replaceable battery or a rechargeable battery and thus may be combined with any type of recharging technology, including connection to a typical wall outlet, connection to a car charger (i.e., a cigarette lighter receptacle), connection to a computer, such as through a universal serial bus (USB) cable or connector, connection to a photovoltaic cell (sometimes referred to as a solar cell) or solar panel of solar cells, or connection to a RF-to-DC converter.
  • the cartridge may comprise a single-use cartridge, as disclosed in U.S. Pat. No. 8,910,639 to Chang et al
  • FIG. 2 more particularly illustrates the aerosol delivery device 100, in accordance with some example implementations.
  • the aerosol delivery device can comprise a control body 102 and a cartridge 104 each of which include a number of respective components.
  • the components illustrated in FIG. 2 are representative of the components that may be present in a control body and cartridge and are not intended to limit the scope of components that are encompassed by the present disclosure.
  • control body can be formed of a control body shell 206 that can include a control component 208 (e.g., a microprocessor, individually or as part of a microcontroller), a flow sensor 210, a power source 212 and one or more light-emitting diodes (LEDs) 214, quantum dot enabled LEDs or the like, and such components can be variably aligned.
  • the power source may include, for example, a battery (single-use or rechargeable), rechargeable supercapacitor, rechargeable solid-state battery (SSB), rechargeable lithium-ion battery (LiB) or the like, or some combination thereof.
  • the LED 214 may be one example of a suitable visual indicator with which the aerosol delivery device 100 may be equipped.
  • Other indicators such as audio indicators (e.g., speakers), haptic indicators (e.g., vibration motors) or the like can be included in addition to or as an alternative to visual indicators such as the LED, quantum dot enabled LEDs.
  • the cartridge 104 can be formed of a cartridge shell 216 enclosing a reservoir 218 configured to retain the aerosol precursor composition, and including a heater 222 (sometimes referred to as a heating element).
  • a heater 222 sometimes referred to as a heating element.
  • this structure may be referred to as a tank; and accordingly, the terms "cartridge,” “tank” and the like may be used interchangeably to refer to a shell or other housing enclosing a reservoir for aerosol precursor composition, and including a heater.
  • the reservoir 218 may be in fluid communication with a liquid transport element 220 adapted to wick or otherwise transport an aerosol precursor composition stored in the reservoir housing to the heater 222.
  • a valve may be positioned between the reservoir and heater, and configured to control an amount of aerosol precursor composition passed or delivered from the reservoir to the heater.
  • the heater in these examples may be a resistive heating element such as a wire coil, micro heater or the like.
  • Example materials from which the heating element may be formed include Kanthal (FeCrAl), Nichrome, stainless steel, Molybdenum disilicide (MoSi 2 ), molybdenum silicide (MoSi), Molybdenum disilicide doped with Aluminum (Mo(Si,Al) 2 ), graphite and graphite-based materials (e.g., carbon-based foams and yarns) and ceramics (e.g., positive or negative temperature coefficient ceramics).
  • Example implementations of heaters or heating members useful in aerosol delivery devices according to the present disclosure are further described below, and can be incorporated into devices such as those described herein.
  • An opening 224 may be present in the cartridge shell 216 (e.g., at the mouthend) to allow for egress of formed aerosol from the cartridge 104.
  • the cartridge 104 also may include one or more electronic components 226, which may include an integrated circuit, a memory component (e.g., EEPROM, flash memory), a sensor, or the like.
  • the electronic components may be adapted to communicate with the control component 208 and/or with an external device by wired or wireless means.
  • the electronic components may be positioned anywhere within the cartridge or a base 228 thereof.
  • control component 208 and the flow sensor 210 are illustrated separately, it is understood that various electronic components including the control component and the flow sensor may be combined on an electronic printed circuit board (PCB) that supports and electrically connects the electronic components.
  • PCB may be positioned horizontally relative the illustration of FIG. 1 in that the PCB can be lengthwise parallel to the central axis of the control body.
  • the air flow sensor may comprise its own PCB or other base element to which it can be attached.
  • a flexible PCB may be utilized.
  • a flexible PCB may be configured into a variety of shapes, include substantially tubular shapes.
  • a flexible PCB may be combined with, layered onto, or form part or all of a heater substrate.
  • the control body 102 and the cartridge 104 may include components adapted to facilitate a fluid engagement therebetween.
  • the control body can include a coupler 230 having a cavity 232 therein.
  • the base 228 of the cartridge can be adapted to engage the coupler and can include a projection 234 adapted to fit within the cavity.
  • Such engagement can facilitate a stable connection between the control body and the cartridge as well as establish an electrical connection between the power source 212 and control component 208 in the control body and the heater 222 in the cartridge.
  • control body shell 206 can include an air intake 236, which may be a notch in the shell where it connects to the coupler that allows for passage of ambient air around the coupler and into the shell where it then passes through the cavity 232 of the coupler and into the cartridge through the projection 234.
  • air intake 236, may be a notch in the shell where it connects to the coupler that allows for passage of ambient air around the coupler and into the shell where it then passes through the cavity 232 of the coupler and into the cartridge through the projection 234.
  • the coupler 230 as seen in FIG. 2 may define an outer periphery 238 configured to mate with an inner periphery 240 of the base 228.
  • the inner periphery of the base may define a radius that is substantially equal to, or slightly greater than, a radius of the outer periphery of the coupler.
  • the coupler may define one or more protrusions 242 at the outer periphery configured to engage one or more recesses 244 defined at the inner periphery of the base.
  • connection between the base of the cartridge 104 and the coupler of the control body 102 may be substantially permanent, whereas in other examples the connection therebetween may be releasable such that, for example, the control body may be reused with one or more additional cartridges that may be disposable and/or refillable.
  • the reservoir 218 illustrated in FIG. 2 can be a container or can be a fibrous reservoir, as presently described.
  • the reservoir can comprise one or more layers of nonwoven fibers substantially formed into the shape of a tube encircling the interior of the cartridge shell 216, in this example.
  • An aerosol precursor composition can be retained in the reservoir. Liquid components, for example, can be sorptively retained by the reservoir.
  • the reservoir can be in fluid connection with the liquid transport element 220.
  • the liquid transport element can transport the aerosol precursor composition stored in the reservoir via capillary action to the heater 222 that is in the form of a metal wire coil in this example. As such, the heater is in a heating arrangement with the liquid transport element.
  • Example implementations of reservoirs and transport elements useful in aerosol delivery devices according to the present disclosure are further described below, and such reservoirs and/or transport elements can be incorporated into devices such as those described herein.
  • specific combinations of heating members and transport elements as further described below may be incorporated into devices such as those described herein.
  • the heater 222 is activated to vaporize components of the aerosol precursor composition.
  • Drawing upon the mouthend of the aerosol delivery device causes ambient air to enter the air intake 236 and pass through the cavity 232 in the coupler 230 and the central opening in the projection 234 of the base 228.
  • the drawn air combines with the formed vapor to form an aerosol.
  • the aerosol is whisked, aspirated or otherwise drawn away from the heater and out the opening 224 in the mouthend of the aerosol delivery device.
  • the aerosol delivery device 100 may include a number of additional softwarecontrolled functions.
  • the aerosol delivery device may include a power-source protection circuit configured to detect power-source input, loads on the power-source terminals, and charging input.
  • the power-source protection circuit may include short-circuit protection, under-voltage lock out and/or over-voltage charge protection, battery temperature compensation.
  • the aerosol delivery device may also include components for ambient temperature measurement, and its control component 208 may be configured to control at least one functional element to inhibit power-source charging - particularly of any battery - if the ambient temperature is below a certain temperature (e.g., 0 °C) or above a certain temperature (e.g., 45 °C) prior to start of charging or during charging.
  • a certain temperature e.g., 0 °C
  • a certain temperature e.g. 45 °C
  • Power delivery from the power source 212 may vary over the course of each puff on the device 100 according to a power control mechanism.
  • the device may include a "long puff' safety timer such that in the event that a user or component failure (e.g., flow sensor 210 ) causes the device to attempt to puff continuously, the control component 208 may control at least one functional element to terminate the puff automatically after some period of time (e.g., four seconds). Further, the time between puffs on the device may be restricted to less than a period of time (e.g., 100 seconds).
  • a watchdog safety timer may automatically reset the aerosol delivery device if its control component or software running on it becomes unstable and does not service the timer within an appropriate time interval (e.g., eight seconds).
  • Further safety protection may be provided in the event of a defective or otherwise failed flow sensor 210, such as by permanently disabling the aerosol delivery device in order to prevent inadvertent heating.
  • a puffing limit switch may deactivate the device in the event of a pressure sensor fail causing the device to continuously activate without stopping after the four second maximum puff time.
  • the aerosol delivery device 100 may include a puff tracking algorithm configured for heater lockout once a defined number of puffs has been achieved for an attached cartridge (based on the number of available puffs calculated in light of the e-liquid charge in the cartridge).
  • the aerosol delivery device may include a sleep, standby or low-power mode function whereby power delivery may be automatically cut off after a defined period of non-use. Further safety protection may be provided in that all charge/discharge cycles of the power source 212 may be monitored by the control component 208 over its lifetime. After the power source has attained the equivalent of a predetermined number (e.g., 200) of full discharge and full recharge cycles, it may be declared depleted, and the control component may control at least one functional element to prevent further charging of the power source.
  • a predetermined number e.g. 200
  • an aerosol delivery device can be chosen from components described in the art and commercially available.
  • Examples of batteries that can be used according to the disclosure are described in U.S. Pat. No. 9,484,155 to Peckerar et al.
  • the aerosol delivery device 100 can incorporate the sensor 210 or another sensor or detector for control of supply of electric power to the heater 222 when aerosol generation is desired (e.g., upon draw during use).
  • the sensor 210 or another sensor or detector for control of supply of electric power to the heater 222 when aerosol generation is desired (e.g., upon draw during use).
  • Additional representative types of sensing or detection mechanisms, structure and configuration thereof, components thereof, and general methods of operation thereof, are described in U.S. Pat. No. 5,261,424 to Sprinkel, Jr. , U.S. Pat. No. 5,372,148 to McCafferty et al. , and PCT Pat. App. Pub. No. WO 2010/003480 to Flick
  • the aerosol delivery device 100 most preferably incorporates the control component 208 or another control mechanism for controlling the amount of electric power to the heater 222 during draw.
  • Representative types of electronic components, structure and configuration thereof, features thereof, and general methods of operation thereof, are described in U.S. Pat. No. 4,735,217 to Gerth et al. , U.S. Pat. No. 4,947,874 to Brooks et al. , U.S. Pat. No. 5,372,148 to McCafferty et al. , U.S. Pat. No. 6,040,560 to Fleischhauer et al. , U.S. Pat. No. 7,040,314 to Nguyen et al. , U.S. Pat. No.
  • the aerosol precursor composition also referred to as a vapor precursor composition, may comprise a variety of components including, by way of example, a polyhydric alcohol (e.g., glycerin, propylene glycol or a mixture thereof), nicotine, tobacco, tobacco extract and/or flavorants.
  • a polyhydric alcohol e.g., glycerin, propylene glycol or a mixture thereof
  • nicotine e.g., nicotine, tobacco, tobacco extract and/or flavorants.
  • Representative types of aerosol precursor components and formulations also are set forth and characterized in U.S. Pat. No. 7,217,320 to Robinson et al. , U.S. Pat. No. 9,254,002 to Chong et al. , U.S. Pat. No. 8,881,737 to Collett et al. , U.S. Pat. Pub. No. 2013/0008457 to Zheng et al. , U.S. Pat.
  • effervescent materials can be used with the aerosol precursor, and are described, by way of example, in U.S. Pat. App. Pub. No. 2012/0055494 to Hunt et al. , which is incorporated herein by reference. Further, the use of effervescent materials is described, for example, in U.S. Pat. No. 4,639,368 to Niazi et al. , U.S. Pat. No. 5,178,878 to Wehling et al. , U.S. Pat. No. 5,223,264 to Wehling et al. , U.S. Pat. No. 6,974,590 to Pather et al. , U.S. Pat. No.
  • Additional representative types of components that yield visual cues or indicators may be employed in the aerosol delivery device 100, such as visual indicators and related components, audio indicators, haptic indicators and the like.
  • visual indicators and related components such as visual indicators and related components, audio indicators, haptic indicators and the like.
  • suitable LED components and the configurations and uses thereof, are described in U.S. Pat. No. 5,154,192 to Sprinkel et al. , U.S. Pat. No. 8,499,766 to Newton , U.S. Pat. No. 8,539,959 to Scatterday , and U.S. Pat. No. 9,451,791 to Sears et al.
  • control component 208 includes a number of electronic components, and in some examples may be formed of a PCB.
  • the electronic components may include a microprocessor or processor core, and a memory.
  • control component may include a microcontroller with integrated processor core and memory, and may further include one or more integrated input/output peripherals.
  • control component may be coupled to a communication interface 246 to enable wireless communication with one or more networks, computing devices or other appropriatelyenabled devices. Examples of suitable communication interfaces are disclosed in U.S. Pat. App. Pub. No. 2016/0261020 to Marion et al. . Another example of a suitable communication interface is the CC3200 single chip wireless microcontroller unit (MCU) from Texas Instruments.
  • MCU single chip wireless microcontroller unit
  • control component 208 may include or be coupled to a motion sensor 248 configured to detect a defined motion of the aerosol delivery device 100 that indicates a vulnerability of the aerosol delivery device.
  • the motion sensor may be any of a number of sensors that may be configured to detect the defined motion, convert the defined motion to an electrical signal and output the electrical signal. Examples of suitable motion sensors include single or combinations of tilt sensors, single or multi-axis accelerometers, gyroscopes and the like, any one or more of which may be constructed using microelectromechanical systems-based (MEMS) techniques.
  • MEMS microelectromechanical systems-based
  • the motion sensor 248 may be configured to convert the defined motion to an electrical signal.
  • the control component 208 or motion sensor may be configured to recognize the vulnerability and an operation associated with the vulnerability based on the electrical signal.
  • the defined motion detectable by the motion sensor may include vibration, shock or freefall.
  • vibration may be detectable by a periodic acceleration of at least a threshold amount.
  • shock may be detectable by at least a threshold amount of acceleration for less than a threshold period of time, or freefall may be detectable by less than a threshold amount of acceleration for at least a threshold period of time.
  • the control component may then be configured to control at least one functional element of the aerosol delivery device 100 to perform the operation, which may be thereby performed in response to detection of the vulnerability.
  • the control component may be configured to shut off the power source 212, which may be thereby shut off in response to detection of the vulnerability of the aerosol delivery device.
  • the control component 208 may be configured to control one or more functional elements of the aerosol delivery device 100 in different states of the device.
  • FIG. 3 illustrates the control body 102 coupled with the cartridge 104 in an active mode.
  • the control body may include positive and negative terminals 302, 304 connectable with corresponding terminals of the heater 222 (heating element).
  • the control component 208 may include a microprocessor 306 and a number of other electrical components, such as resistors, capacitors, switches and the like, which may be coupled with the power source 212 and heater to form an electrical circuit.
  • the heater may include a communication terminal for communicating data such as the puff count.
  • the microprocessor 306 may be configured to measure the voltage at the positive terminal 302 and control power to the heater 222 based thereon. In some examples, the microprocessor may also control operation of at least one functional element of the aerosol delivery device 100 based on the voltage at the positive terminal.
  • a suitable functional element may be an indicator 308 such as a visual, audio or haptic indicator.
  • the microprocessor 306 may operate on the actual voltage at the positive terminal 302, or an analog-to-digital converter (ADC) may be included to convert the actual voltage to a digital equivalent.
  • ADC analog-to-digital converter
  • the control component 208 may include a voltage divider 310 configured to reduce the voltage to the microprocessor.
  • the voltage divider may include resistors R1 and R2, and may be connected to, and positioned between, the positive terminal and microprocessor, referenced to ground.
  • the microprocessor may be configured to measure the voltage at the positive terminal from the voltage divider.
  • the voltage divider may include an output connected to the microprocessor and from which the microprocessor may be configured to measure the voltage at the positive terminal.
  • the aerosol delivery device 100 may be in the standby mode when the control component is uncoupled with the cartridge 104.
  • the aerosol delivery device may be in the standby mode between puffs when the control component is coupled with the cartridge.
  • the aerosol delivery device when the user draws on the device and the flow sensor 210 detects airflow, the aerosol delivery device may be placed in the active mode during which power from the power source 212 may be directed through the sensor to power the heater 222 to activate and vaporize components of the aerosol precursor composition.
  • power from the power source may more directly power the heater without going through the sensor (without the sensor being in-line), although the flow sensor may still detect airflow when the user draws on the device.
  • power delivery from the power source may vary according to a power control mechanism; and in some examples, this power control mechanism may depend on a measured voltage at the positive terminal 302.
  • the microprocessor 306 may be configured to direct power to the heater 222 to activate and vaporize components of the aerosol precursor composition.
  • the voltage at the positive terminal 302 may correspond to a positive heater voltage.
  • the microprocessor may be configured to measure the positive heater voltage, such as from the voltage divider 310, and control the power directed to the heater based thereon.
  • the microprocessor 306 may be configured to direct power from the power source 212 (e.g., directly or through the flow sensor 210 ) to turn the heater 222 on and commensurately initiate a heating time period.
  • This may include, for example, a switch Q1 between the power source (or in-line flow sensor) and the heater, which the microprocessor may operate in a closed state, as shown in FIG. 3 .
  • the microprocessor may then adjust the power directed to the heater based on the voltage at the positive terminal 302, at a periodic rate until expiration of the heating time period.
  • this adjustment of power directed to the heater 222 may include the microprocessor 306 being configured to determine a moving window of measurements of instantaneous actual power directed to the heater, with each measurement of the window of measurements being determined as a product of the positive heater voltage and a current through the heater. This current may be measured in a number of different manners, such as from a current-sense resistor R3.
  • the microprocessor may operate on the actual current through the heater, or the control component 208 or microprocessor may include an ADC configured to convert the actual current to a digital equivalent.
  • the microprocessor 306 may calculate a simple moving average power directed to the heater 222 based on the moving window of measurements of instantaneous actual power, and compare the simple moving average power to a selected power set point associated with the power source 212. The microprocessor may then adjust the power directed to the heater so as to turn the heater off or on at the periodic rate at each instance in which the simple moving average power is respectively above or below the selected power set point. More information regarding aspects of the control component according to example implementations of the present disclosure may be found in the above-cited U.S. Pat. App. Pub. No. 2014/0270727 to Ampolini et al.
  • FIG. 4 illustrates one example of a power source 212 for the aerosol delivery device 100 that includes the rechargeable LiB, according to example implementations of the present disclosure.
  • the power source is connected to an electrical load 402 that includes the heater 222 (heating element) when the control body 102 is coupled with the cartridge 104.
  • the electrical load may include the control component 208 (and its electrical components including the microprocessor 306 ) and heater, which explained above, may be coupled with the power source to form an electrical circuit. This may additionally include, for example, the flow sensor 210, indicator 308 and the like.
  • the power source 212 includes a rechargeable supercapacitor SC chargeable from the rechargeable LiB, and configured to provide power to the electrical load 402.
  • microprocessor being configured to direct power from the power source to the heating element includes being configured to direct power from the supercapacitor to the heater.
  • the supercapacitor may smooth fluctuating power from the rechargeable LiB when the rechargeable LiB weakens, and may thereby increase its lifetime and cycle life.
  • the supercapacitor may be any of a number of different types of supercapacitors, such as an electric double-layer capacitor (EDLC), a hybrid capacitor such as a lithium-ion capacitor (LIC), or the like.
  • the power source 212 further includes other components such as a linear regulator 404 and/or a resistor R.
  • the linear regulator may be connected to the supercapacitor SC, between the supercapacitor and the electrical load 402.
  • the linear regulator may be configured to maintain the constant voltage level at the electrical load until an output voltage of the supercapacitor SC is below an input voltage range of the linear regulator.
  • Examples of a suitable linear regulator include lowdropout (LDO) regulators such as a model 7803 or 7805 LDO.
  • the resistor R may be connected to, and between, the rechargeable LiB and linear regulator.
  • FIG. 4 illustrates the power source including both a linear regulator and resistor, but it should be understood that the power source may include either without the other.
  • the linear regulator may avoid too fast discharge of the supercapacitor SC, and it may facilitate a uniform dissipation of current so that the supercapacitor provides constant power to the electrical load 402. And the resistor may current-limit the charges going to the linear regulator so that they fall within the spec of the linear regulator, which may be beneficial for certain rechargeable LiBs that can dissipate a high discharge current.
  • the power source 212 may further include terminals 406, 408 connectable with a charger from which the rechargeable LiB is rechargeable.
  • the charger may implement any of a number of different types of recharging technology, such as connection to a typical wall outlet, a car charger, a computer (e.g., through USB), a photovoltaic cell or solar panel of solar cells, a RF-to-DC converter or the like.
  • the aerosol delivery device 100 includes the motion sensor 248 and the control component 208 includes the microprocessor 306.
  • the microprocessor or motion sensor is configured to recognize the vulnerability and an operation associated with the vulnerability based on the electrical signal.
  • the microprocessor is configured to control at least one functional element of the aerosol delivery device to perform the operation, which is thereby performed in response to detection of the vulnerability.
  • the microprocessor may be configured to shut off the power source, which is thereby shut off in response to detection of the vulnerability of the aerosol delivery device.

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Claims (11)

  1. Eine Aerosolabgabevorrichtung (100), umfassend:
    mindestens ein Gehäuse (216), das ein Reservoir (218) umschließt, welches dazu ausgebildet ist, eine Aerosol-Precursor-Zusammensetzung zu halten;
    ein Heizelement (222);
    eine Leistungsquelle (212), welche mit einer elektrischen Last (402) verbunden ist, die das Heizelement (222) umfasst, wobei die Leistungsquelle (212) eine wiederaufladbare Lithium-Ionen-Batterie (LiB) und einen Linearregler (404) zwischen der Leistungsquelle (212) und der Last (402) umfasst, wobei der Linearregler (404) dazu ausgebildet ist, einen konstanten Spannungspegel an der elektrischen Last (402) aufrechtzuerhalten; und
    einen Mikroprozessor (306), welcher ausgebildet ist, in einem aktiven Modus zu arbeiten, in dem der Mikroprozessor (306) dazu ausgebildet ist, Leistung von der Leistungsquelle (212) zu dem Heizelement (222) zu richten und dadurch das Heizelement (222) zu kontrollieren, um Komponenten der Aerosol-Precursor-Zusammensetzung zu aktivieren und zu verdampfen,
    wobei die Leistungsquelle (212) ferner umfasst:
    einen wiederaufladbaren Superkondensator (SC), welcher über die wiederaufladbare LiB aufladbar ist und dazu ausgebildet ist, der elektrischen Last (402) Leistung bereitzustellen, wobei der Linearregler (404) mit dem wiederaufladbaren Superkondensator (SC) verbunden ist, zwischen dem wiederaufladbaren Superkondensator (SC) und der elektrischen Last (402); und
    einen Widerstand (R), welcher mit der LiB verbunden ist, zwischen der LiB und dem Linearregler (404), und wobei der Mikroprozessor (306), welcher dazu ausgebildet ist, Leistung von der Leistungsquelle (212) zu dem Heizelement zu richten, umfasst, dazu ausgebildet zu sein, Leistung von dem wiederaufladbaren Superkondensator (SC) zu dem Heizelement (222) zu richten.
  2. Die Aerosolabgabevorrichtung (100) nach Anspruch 1, wobei der Linearregler (404) dazu ausgebildet ist, den konstanten Spannungspegel an der elektrischen Last (402) aufrechtzuerhalten, bis eine Ausgangsspannung des wiederaufladbaren Superkondensators (SC) unter einem Eingangsspannungsbereich des Linearreglers (404) liegt.
  3. Die Aerosolabgabevorrichtung (100) nach Anspruch 1 oder 2, wobei die Leistungsquelle (212) ferner Anschlüsse umfasst, welche mit einer Ladeeinrichtung verbindbar sind, über welche die wiederaufladbare LiB wiederaufladbar ist.
  4. Die Aerosolabgabevorrichtung (100) nach einem der Ansprüche 1 bis 3, ferner umfassend:
    einen Bewegungssensor (248), welcher dazu ausgebildet ist, eine definierte Bewegung der Aerosolabgabevorrichtung (100) zu detektieren, welche eine Vulnerabilität der Aerosolabgabevorrichtung (100) anzeigt, wobei der Bewegungssensor (248) dazu ausgebildet ist, die definierte Bewegung in ein elektrisches Signal umzuwandeln,
    wobei der Mikroprozessor (306) oder der Bewegungssensor (248) dazu ausgebildet ist, die Vulnerabilität und eine mit der Vulnerabilität assoziierte Operation basierend auf dem elektrischen Signal zu erkennen, und wobei der Mikroprozessor (306) dazu ausgebildet ist, mindestens ein Funktionselement der Aerosolabgabevorrichtung (100) zu kontrollieren, um die Operation auszuführen, welche dadurch als Antwort auf die Detektion der Vulnerabilität ausgeführt wird.
  5. Die Aerosolabgabevorrichtung (100) nach Anspruch 4, wobei der Mikroprozessor (306), welcher dazu ausgebildet ist, mindestens ein Funktionselement zu kontrollieren, umfasst, dazu ausgebildet zu sein, die Leistungsquelle (212) abzuschalten, welche dadurch als Antwort auf die Detektion der Vulnerabilität der Aerosolabgabevorrichtung (100) abgeschaltet wird.
  6. Die Aerosolabgabevorrichtung (100) nach einem der Ansprüche 1 bis 5, wobei die Aerosolabgabevorrichtung die Aerosol-Precursor-Zusammensetzung hält und wobei die Aerosol-Precursor-Zusammensetzung Glycerin und Nicotin umfasst.
  7. Ein Kontrollkörper (102), welcher mit einer Patrone (104) gekoppelt oder koppelbar ist, welche mit einem Heizelement (222) ausgestattet ist und eine Aerosol-Precursor-Zusammensetzung enthält, wobei der Kontrollkörper (102) mit der Patrone (104) gekoppelt oder koppelbar ist, um eine Aerosolabgabevorrichtung (100) zu bilden, bei welcher das Heizelement (222) dazu ausgebildet ist, Komponenten der Aerosol-Precursor-Zusammensetzung zu aktivieren und zu verdampfen, wobei der Kontrollkörper (102) umfasst:
    eine Leistungsquelle (212), welche mit einer elektrischen Last (402) verbunden ist, welche das Heizelement (222) umfasst, wenn der Kontrollkörper (102) mit der Patrone (104) gekoppelt ist, wobei die Leistungsquelle (212) eine wiederaufladbare Lithium-Ionen-Batterie (LiB) und einen Linearregler (404) zwischen der Leistungsquelle (212) und der Last (402) umfasst, wobei der Linearregler (404) dazu ausgebildet ist, einen konstanten Spannungspegel an der elektrischen Last (402) aufrechtzuerhalten; und
    einen Mikroprozessor (306), welcher ausgebildet ist, in einem aktiven Modus zu arbeiten, in dem der Kontrollkörper (102) mit der Patrone (104) gekoppelt ist, wobei der Mikroprozessor (306) in dem aktiven Modus dazu ausgebildet ist, Leistung von der Leistungsquelle (212) zu dem Heizelement (222) zu richten und dadurch das Heizelement (222) zu kontrollieren, um Komponenten der Aerosol-Precursor-Zusammensetzung zu aktivieren und zu verdampfen,
    wobei die Leistungsquelle (212) ferner umfasst:
    einen wiederaufladbaren Superkondensator (SC), welcher über die wiederaufladbare LiB aufladbar ist und dazu ausgebildet ist, der elektrischen Last (402) Leistung bereitzustellen, wobei der Linearregler (404) mit dem wiederaufladbaren Superkondensator (SC) verbunden ist, zwischen dem wiederaufladbaren Superkondensator (SC) und der elektrischen Last (402); und
    einen Widerstand (R), welcher mit der LiB verbunden ist, zwischen der LiB und dem Linearregler (404), und wobei der Mikroprozessor (306), welcher dazu ausgebildet ist, Leistung von der Leistungsquelle (212) zu dem Heizelement zu richten, umfasst, dazu ausgebildet zu sein, Leistung von dem wiederaufladbaren Superkondensator (SC) zu dem Heizelement (222) zu richten.
  8. Der Kontrollkörper (102) nach Anspruch 7, wobei der Linearregler (404) dazu ausgebildet ist, den konstanten Spannungspegel an der elektrischen Last (402) aufrechtzuerhalten, bis eine Ausgangsspannung des wiederaufladbaren Superkondensators (SC) unter einem Eingangsspannungsbereich des Linearreglers (404) liegt.
  9. Der Kontrollkörper (102) nach Anspruch 7 oder 8, wobei die Leistungsquelle (212) ferner Anschlüsse umfasst, die mit einer Ladeeinrichtung verbindbar sind, über welche die wiederaufladbare LiB wiederaufladbar ist.
  10. Der Kontrollkörper (102) nach einem der Ansprüche 7 bis 9, ferner umfassend:
    einen Bewegungssensor (248), welcher dazu ausgebildet ist, eine definierte Bewegung der Aerosolabgabevorrichtung (100) zu detektieren, welche eine Vulnerabilität der Aerosolabgabevorrichtung (100) anzeigt, wobei der Bewegungssensor (248) dazu ausgebildet ist, die definierte Bewegung in ein elektrisches Signal umzuwandeln,
    wobei der Mikroprozessor (306) oder der Bewegungssensor (248) dazu ausgebildet ist, die Vulnerabilität und eine mit der Vulnerabilität assoziierte Operation basierend auf dem elektrischen Signal zu erkennen, und wobei der Mikroprozessor (306) dazu ausgebildet ist, mindestens ein Funktionselement der Aerosolabgabevorrichtung (100) zu kontrollieren, um die Operation auszuführen, welche dadurch als Antwort auf die Detektion der Vulnerabilität ausgeführt wird.
  11. Der Kontrollkörper (102) nach Anspruch 10, wobei der Mikroprozessor (306), welcher dazu ausgebildet ist, mindestens ein Funktionselement zu kontrollieren, umfasst, dazu ausgebildet zu sein, die Leistungsquelle (212) abzuschalten, welche dadurch als Antwort auf die Detektion der Vulnerabilität der Aerosolabgabevorrichtung (100) abgeschaltet wird.
EP17817158.3A 2016-12-02 2017-11-28 Lithium-ionen-batterie mit linearer regulierung für eine aerosolabgabevorrichtung Active EP3547859B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/368,166 US10470495B2 (en) 2015-10-21 2016-12-02 Lithium-ion battery with linear regulation for an aerosol delivery device
PCT/IB2017/057469 WO2018100497A1 (en) 2015-10-21 2017-11-28 Lithium-ion battery with linear regulation for an aerosol delivery device

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EP3547859B1 true EP3547859B1 (de) 2021-03-24

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