WO2021205009A1 - Dispositif de génération d'aérosol inhalable - Google Patents

Dispositif de génération d'aérosol inhalable Download PDF

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Publication number
WO2021205009A1
WO2021205009A1 PCT/EP2021/059321 EP2021059321W WO2021205009A1 WO 2021205009 A1 WO2021205009 A1 WO 2021205009A1 EP 2021059321 W EP2021059321 W EP 2021059321W WO 2021205009 A1 WO2021205009 A1 WO 2021205009A1
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WO
WIPO (PCT)
Prior art keywords
article
sensor
control unit
electrostatic
sensor data
Prior art date
Application number
PCT/EP2021/059321
Other languages
German (de)
English (en)
Inventor
Michael GOCH
Marko Medic
Original Assignee
Xeotech Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xeotech Gmbh filed Critical Xeotech Gmbh
Priority to EP21718835.8A priority Critical patent/EP4125467A1/fr
Publication of WO2021205009A1 publication Critical patent/WO2021205009A1/fr

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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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil

Definitions

  • the present invention relates to a device for generating an inhalable aerosol with a receiving area for an article which emits an aerosol when heated, with at least one sensor for detecting a physical property of the article as sensor data and with a control unit for controlling the device and / or to evaluate the sensor data.
  • inhalers have been an alternative to classic tobacco consumption for some time, in which tobacco products are burned and the resulting smoke is inhaled.
  • Various forms of inhalers are known.
  • vaporizers which are also known as electronic cigarettes or e-cigarettes
  • an aerosol is generated from a flavored and possibly nicotine-containing liquid (also called “liquid”) by heating it with an electric heater.
  • heat-not-burn devices are known, in which a solid based on tobacco is heated, the temperature generally being kept below the ignition temperature and thus less harmful substances being released. It is known to provide such inhalers with sensors, for example to monitor the temperature of the Schuvor direction or to measure certain properties of the respective aerosol generating article.
  • an evaporation device for generating an inhalable aerosol wherein a level of a liquid to be evaporated is detected by means of a level sensor.
  • a signal can be output to a user or the operation of the evaporation device can be prevented.
  • the level sensor is designed in particular as a capacitive sensor. The present invention resides in the finding, among other things based on the fact that such a sensor often delivers inadequate or inaccurate results. In addition, an expanded range of sensor-based functions of the device would be desirable.
  • the object of the present invention is therefore to improve the accuracy of a level measurement in a device for generating an inhalable aerosol and to expand the functional scope of the device based on sensor data.
  • the object is achieved by a device for generating an inhalier ble aerosol with the features of the independent claim.
  • a device for generating an inhalable aerosol is proposed.
  • the device comprises a receiving area for an article which, when heated, generates the aerosol.
  • the aerosol can contain nicotine and / or other substances.
  • the device further comprises at least one sensor for detecting a physical property of the article as sensor data.
  • the device or the article can be monitored with the aid of the sensor data.
  • the device comprises a control unit for controlling the device and / or for evaluating the sensor data.
  • the at least one sensor is designed as an electrostatic sensor.
  • the control unit is designed in such a way that it can determine a fill level of the article and / or identify the article on the basis of at least the sensor data of the electrostatic sensor.
  • the electrostatic sensor can measure an electrostatic charge on the article.
  • the electrostatic charge can be measured, for example, by measuring an electrical voltage that is measured by an electrical influence on the electrostatic sensor. The electrical influence is formed by the electrostatic charge. Since the electrostatic charge is accompanied by an electrostatic field, the electrostatic field can also be measured. Additionally or alternatively, the electrostatic charge can also be measured by means of a change in the electrostatic charge and / or by means of a change in the electrostatic field formed by the electrostatic charge.
  • the electrostatic charge can also be measured on the basis of a force on a test charge.
  • the electrostatic charge can also be determined by measuring the electrical field.
  • a change in the electrostatic charge that is to say a time profile, can also be measured in order to identify the article and / or to measure the fill level on the basis of this.
  • the electrostatic sensor can also be used to detect, in particular static, electrical charges, a charge distribution and / or an electrical field.
  • an electrical potential can also be detected, which the electrostatically charged article forms.
  • the determination of the fill level can be improved by means of the measurement by the electrostatic sensor.
  • the measured electrostatic charge on the article can depend on the fill level.
  • One higher measured electrostatic charge can mean, for example, that the fill level is higher.
  • the article can also be identified by means of the electrostatic sensor.
  • Different articles can have different electrostatic charges or different electrostatic characteristics, i.e. different characteristics of the electrostatic charge.
  • different articles can have different electrostatic charge curves over time, because they discharge differently, for example.
  • the course over time can also depend on the fill level.
  • the device may further comprise a meat device for heating the article so that the aerosol can be generated.
  • the sausage device can be designed as a sausage spiral, for example.
  • the meat frying device can also be arranged on the article itself. Then, however, the control unit can control the meat device of the article if there is an interface which connects the device to the control unit.
  • the device can have an energy supply, in particular in the form of an energy store.
  • the energy supply can, in particular, supply the meat-filling device, the sensors and, if necessary, the meat-filling device of the article with electrical energy.
  • the energy supply can be designed, for example, as at least one accumulator or at least one battery.
  • the energy supply can either be permanently installed in the device or it can be exchanged.
  • An energy supply in the form of a capacitor is also conceivable.
  • the device can in particular have a connection for an external energy source, via which the energy supply can be charged, for example.
  • the device can be designed for the use of various aerosol generating articles. As already mentioned, the article can have or consist of a flavored and optionally nicotine-containing liquid.
  • the device can have a permanently installed liquid storage device into which the article can be filled in the form of the liquid.
  • the article can also consist of a cartridge filled with an appropriate liquid, which must be replaced after use.
  • the article can further comprise or consist of a tobacco-based solid. Commonly used are, for example, articles that are pronounced of classic cigarettes in a shortened form, the tobacco-based solid being wrapped in cigarette paper.
  • the meat meat device can be designed differently depending on the aerosol-generating article.
  • the meat meat device can, for example, have one or more meat spirals which are heated by the flow of electrical current.
  • a light source for example in the form of a laser, is also conceivable as a heating device.
  • the Schuvorrich device can also be designed interchangeably as part of the device.
  • the heating device can have a liquid carrier, in particular in the form of wadding or in the form of a metallic sieve.
  • the heating device is connected to a liquid supply, in particular by a liquid-transferring element.
  • the liquid-transferring element can be a wick or a wire mesh, for example, and transfer the liquid in particular by capillary forces.
  • the control unit is designed, for example, to activate the heating device as a function of the behavior of a user of the device.
  • the heating device is triggered by actuating a switch, by touching a part of the body of the user or by inhaling by the user.
  • the heating device is not part of the device, but part of the article and, for example, with it is exchanged regularly.
  • a connection between the heating device of the article and the energy supply is established in particular through the receiving area.
  • the device can have an interface by means of which a heating device of the article can be controlled and / or supplied with energy.
  • the control unit can control the heating device of the article via the interface.
  • the electrostatic sensor can be a first sensor that detects a first physical property of the article as first sensor data.
  • the first sensor and the electrostatic sensor can be synonymous here.
  • the device furthermore has at least one second sensor for detecting a second physical property of the article as second sensor data.
  • the device can advantageously comprise a third sensor for detecting a third physical property of the article as third sensor data.
  • the second sensor and preferably the third sensor which detects the second and preferably the third physical property of the aerosol-generating article, and the evaluation of the signals from at least the first sensor, the second and preferably the third sensor, an accuracy and reliability in the Increase the determination of the fill level of the aerosol generating article.
  • the joint evaluation of the signals from the first sensor, the second sensor and preferably the third sensor enables further functions based on this evaluation, such as in particular the identification of the aerosol-generating article.
  • the receiving area can in particular receive the article in a form-fitting manner. It is conceivable that the receiving area has a locking device for xing of the article. As already mentioned, the receiving area can also have a connection to the power supply.
  • the receiving area can be designed, for example, as a liquid storage or liquid keitstank.
  • the first sensor, the second sensor and / or the third sensor are preferably designed as electronic components, in particular semiconductor elements.
  • the sensors are preferably supplied with an electrical voltage from the energy supply.
  • an output signal from the sensors changes that manifests itself as first, second and / or third sensor data.
  • the first, second and / or third sensor data can be present as analog and / or digital data, for example.
  • the sensors are integral components of the device and are independent of the article. In the interests of sustainability, the sensors in particular should not be exchanged with the article.
  • the physical properties of the article are to be understood as properties that are determined by the composition, an amount or residual amount, the geometric dimensions and / or basic material properties of the article.
  • the term article includes both the substance consumed during the intended use of the device and a container or a covering of the substance.
  • the control unit is designed, for example, as an electrical circuit, in particular an integrated circuit, or a microcontroller.
  • the control unit is designed to receive the sensor data, store it, convert it and / or perform mathematical operations with the sensor data.
  • the control unit is preferably designed to generate output data and / or control signals on the basis of the sensor data.
  • the term “fill level” of the article is to be understood in particular as an amount or residual amount of the substance already mentioned and consumed in the intended use of the device.
  • the filling level of the article can be determined, for example, automatically at regular intervals or with a specific cycle time.
  • the determination of the fill level can in particular be used to notify a user in the event of a low fill level or to prevent the use of the device. Any damage to the device or disadvantages for the user can thus be avoided.
  • Identification of the article is to be understood in particular as an assignment of the article currently used in the device to a specific type of article.
  • a type of article can, for example, be determined by the fact that it is determined or approved for use with the device by the lowering plate of the device.
  • the type of article can be characterized, for example, by a certain nicotine content and / or a certain flavoring.
  • an identification of the article can, for example, prevent the device from being used with undesired articles from competitors or imitations of articles.
  • the control unit is designed in such a way that it combines the first, second and third sensor data and / or evaluates them together.
  • the control unit When evaluating the individual sensor data, there is thus a synergy effect that increases the accuracy and reliability of the data evaluation.
  • the evaluation of a single sensor delivers inconclusive results, the other sensor data can be used to arrive at a conclusive result anyway.
  • the sensor data can be used for mutual correction, for example. They can be used as parameters in a clearing calculation.
  • a sensor fusion or information fusion can be carried out by the control unit.
  • the sensor data of the individual sensors can, for example, be weighted differently, depending on which sensor-based function is to be performed by the device.
  • control unit includes, for example, data models that were determined by the respective Fierstellers of the device as part of laboratory tests with different articles and different states of the articles, such as fill levels in particular.
  • the second and / or third sensor is advantageously designed as a capacitive sensor and / or optical sensor, in particular a spectral sensor.
  • these sensors allow easily reproducible measurements of different physical properties.
  • such sensors are inexpensive to manufacture and can be easily miniaturized.
  • the first, second and / or third physical property is in particular a permittivity, an electromagnetic spectrum and / or a particularly characteristic electrostatic charge.
  • the electromagnetic spectrum can be an absorption and / or emission spectrum.
  • the capacitive sensor measures in particular the electrical capacitance between two electrical conductors isolated from one another, the capacitance being equal to the ratio of the amount of charge stored on these conductors and the electrical voltage between them.
  • the capacity is dependent on the permittivity of the insulating medium located between the conductors or in the immediate vicinity of the conductors and the geometry of the conductors. The dependence on the permittivity can be used for present device can be exploited.
  • the article is generally designed as an insulator or dielectric, the permittivity of the article on the one hand on its nature and, in the case of an article in the form of a liquid, or if the article has a liquid, on the level of the liquid depending on the level of the liquid.
  • the capacitive sensor has, in particular, at least two electrodes between which the capacitance is measured, the two electrodes being able to be spaced, for example, such that the article is arranged between the electrodes when the device is used as intended.
  • both electrodes can also be arranged in the immediate vicinity of the article, for example in a common housing.
  • the electrodes can be arranged, for example, in a side wall of the receiving area.
  • the optical sensor measures light from at least one light source that has been influenced by the article.
  • This influencing can mean, for example, absorption, reflection, refraction and / or fluorescence.
  • the light measured by the sensor can be rich in the visible Be, in the infrared range and / or in the ultraviolet range.
  • the optical sensor designed as a spectral sensor measures in particular an intensity distribution as a function of the wavelength of the light.
  • the influences listed above, in particular the absorption and / or the fluorescence can thus be measured in particular as a function of the wavelength.
  • the optical sensor comprises a detector and a first and / or second illuminant.
  • the measurement accuracy of the optical sensor can be improved by using dedicated lighting means with a predetermined intensity or spectral composition of the light.
  • the first illuminant and the second illuminant can have different intensities and / or spectral compositions of the emitted light, for example.
  • the first light source and / or the second light source are, for example, an LED, in particular a white light LED, for example with a color temperature of 6000 K.
  • the first illuminant is designed as a monochromatic illuminant and the second illuminant as a white light illuminant, that is to say polychromatic illuminant with a broad spectral distribution.
  • the first luminous means and the second luminous means can be activated by the control unit at different times for a measurement of the optical sensor.
  • the detector is designed, for example, as a photodiode, solar cell, CCD or CMOS detector.
  • the detector is designed in particular as a spectral detector, i. H. the detector is designed to measure the intensity of the light as a function of the wavelength.
  • the detector is designed as a CCD spectrometer or grating spectrometer, for example.
  • the first illuminant is arranged adjacent to the detector and / or the second illuminant is spaced from the detector.
  • the second illuminant objected to by the detector can, for example, shine through a large proportion of the volume of the article.
  • the first illuminant adjacent to the detector can, for example, only illuminate a section of the surface of the article. This makes it possible to better differentiate between various aspects of the nature of the article.
  • the first lighting means and the second lighting means can be activated by the control unit, for example at different times, for a measurement of the optical sensor.
  • the first Lighting means and the second lighting means can be used, for example, for different sensor-based functions of the device.
  • the first light source can only be used to identify the article.
  • the detector and / or the first illuminant are arranged in a side wall of the receiving area and / or, if the article is properly arranged, on a longitudinal side of the article and / or the second illuminant in a bottom of the receiving area and / or at The intended arrangement of the article on one end face of the article is arranged.
  • Such an arrangement of the lighting means and the detector allows, for example, that the first lighting means only illuminates a section of the surface of the article and that the second lighting means illuminates a large part of the article. By examining different areas of the article, the measurement results can be further refined.
  • the article is designed, for example, as a cartridge with a liquid contained therein
  • the first illuminant can illuminate a side wall of the cartridge and the second illuminant can illuminate the cartridge with the liquid contained therein Liquid may be examined separately from one another.
  • the device has at least one, in particular visual, acoustic and / or haptic, feedback element, in particular a display element and / or a vibration element.
  • the feedback element allows the device or the control unit to communicate with a user of the device. For example, usage instructions and / or error messages can be communicated. Outputs on the feedback element occur in particular on the basis of the evaluation of the sensor data by the control unit.
  • Examples of a visual feedback element can be a lighting means, in particular an LED, or a display, in particular an LCD display.
  • the visual feedback elements are arranged in particular on an outside of the device that is clearly visible to a user.
  • An acoustic feedback element can in particular be a tone generator or loudspeaker.
  • An example of a haptic feedback element is the vibration element already mentioned, which is designed in particular to set the device in vibration.
  • the device can in particular have several of the feedback elements listed by way of example.
  • the device has a data memory in which reference values and / or reference value sets for at least one article are stored.
  • reference values and / or reference value sets for at least one article are stored.
  • a reference value can be, for example, the color of the article, which is detected by the optical sensor.
  • the reference value sets can, for example, be temporal progressions of the electrical charge or the other physical properties of the article.
  • the reference value sets can thus consist of several reference values, for example.
  • the reference value records describe the unloading of the article over time. Different articles or articles with different filling levels can, for example, be discharged or charged differently, which is mapped over time.
  • the reference value sets can also describe an increase and / or decrease in the electrostatic charge, which is characteristic of an article.
  • the reference value sets stored in the data memory can be used, for example, by a manufacturer of the device to limit a quantity of articles that can be used with the device.
  • a reference value set corresponds, for example, to an article compatible with the device.
  • the reference values or reference value sets were determined, for example, by a manufacturer of the device in the course of laboratory tests with a large number of different articles. It is conceivable that a user can transfer further reference value sets to the data memory. In this way, the selection of compatible articles can also be expanded retrospectively by a manufacturer. Such an extension can also take place, for example, by means of an automatic update of the device.
  • a reference value and / or a reference value set can include, for example, a time curve of a physical property, in particular the electrostatic charge, of the article.
  • the data memory is designed as a flash memory, for example.
  • the device can also have a data interface, in particular a USB connection.
  • Wireless data interfaces in particular a Bluetooth or WLAN interface, are also conceivable.
  • control unit is designed in such a way that it can compare at least the first sensor data with the reference values and / or the reference value sets in order to identify the article and / or to measure the fill level. For example, the time course of the measured discharging and / or charging of the electrostatic charge are compared with stored reference value sets which include the time courses of the discharge and / or the charging of the electrostatic charge. On the basis of this, the article can then be identified and / or the fill level can be determined.
  • control unit is designed in such a way that it can compare the sensor data recorded by several antenna units with one another and / or with reference value sets stored in the data memory in order to identify the article and / or to record the fill level, in particular the temporal progressions .
  • the antenna units can be positioned and / or oriented differently in relation to the article, so that the different antenna units detect different sensor data. On the basis of this, however, a spatial distribution of the electrostatic charge can be concluded, for example, so that the article can be identified and / or the fill level can be determined.
  • the reference values can correspond, for example, to the physical properties of the article described above.
  • a third reference value can be the permittivity of the article
  • a second reference value can correspond to an electromagnetic spectrum of the article, in which case the reference value is to be understood as a multitude of value pairs, namely intensities and wavelengths.
  • a first reference value can be the characteristic electrostatic charge of the article.
  • the reference values correspond to the sensor data that are not processed further, which are based on the physical properties depend on the item. In this case, for example, output voltages from the sensors are stored as reference values.
  • the reference values can also correspond to a result of a possibly complex joint processing of the sensor data.
  • the at least one electrostatic sensor comprises at least one, in particular four, antenna unit, by means of which measured values can be recorded.
  • the antenna unit With the help of the antenna unit, the electrostatic charge or the electric field can be detected. If several antenna units are present, the measured values of the different antenna units can be compared with one another by the control unit, so that the measurement by the electrostatic sensor is more reliable.
  • two antenna units can acquire the sensor data.
  • the at least one antenna unit can be formed, for example, on a circuit board.
  • an electrostatic and / or electrodynamic field can be generated by means of the at least one antenna unit.
  • the at least one antenna unit can also detect the electrostatic and / or electrodynamic field.
  • the electrostatic and / or electrodynamic field thus influences the article, so that the article is, for example, electrostatically charged, which in turn can be measured by the electrostatic sensor or by the at least one antenna unit.
  • one antenna unit can generate the field and the other antenna unit can generate the resulting electrostatic charge, in particular special measure the temporal course of the article.
  • the article can be identified and / or the fill level can be determined.
  • the control unit can activate the at least one antenna unit accordingly.
  • an antenna unit is designed as a transmitting and receiving antenna. Additionally or alternatively, the control unit is designed in such a way that it statically charges the article via the transmitting antenna and, in particular at the same time or at different times, detects the static charge of the article via the receiver antenna.
  • one antenna unit is designed as a transmitting antenna and another antenna unit is designed as a receiving antenna.
  • the control unit is designed in such a way that it electrostatically charges the article via the transmitting antenna and, in particular at the same time or offset in time, detects the static charge of the article via the receiver antenna.
  • control unit is designed in such a way that it can use the sensor data of the electrostatic sensor to determine a spatial distribution of the electrostatic charge on the article. This allows conclusions to be drawn about the fill level, for example.
  • control unit can determine the time course of the first sensor data acquired by the electrostatic sensor, in particular the sensor data acquired by the at least one antenna unit, the second sensor data acquired by the second sensor and / or the third sensor data acquired by the third sensor.
  • the electrical charge on the article will weaken over time, with a weakening rate being able to depend on the article, its nature and / or the fill level. Based on the measurement of the course over time the first, second and / or third sensor data can thus be concluded about the article and / or the fill level.
  • control unit can determine the course over time from the sensor data of each antenna unit. The control unit can then compare the timing of the sensor data from the various antenna units with one another. The control unit can identify the article therefrom and / or determine the fill level.
  • control unit can be taught to an article. This can take place in that test articles are inserted into the device and the control unit detects the first sensor data at least by means of the electrostatic sensor. From this, the control unit can determine the reference values and / or the reference value sets and store them in the data memory. Additionally or alternatively, the control unit can also use the second and / or third sensor data for teaching or generating the reference values and / or the reference value sets.
  • the control unit can, however, also be learned or learn itself that it continuously determines the reference values and / or the reference value sets of the article used during normal use of the device. Since the users of the device predominantly consume the same article or the same brand of the article, the control unit can continuously determine the reference values and / or the reference value sets as they are used. The control unit can, for example, output a message when a different article is inserted into the device in order to make the user aware that he may be unknowingly using the wrong article.
  • the device can also be adapted to the respective article.
  • an article-specific heating parameter is stored in the data memory the heating device, in particular a heating curve, is stored for at least one article and if the control unit is designed such that it adapts the heating parameter of the heating device to the article-specific heating parameter of the identified article.
  • Different articles can react differently to heating due to their different composition, with a uniform heating process resulting in an aerosol that is more or possibly less pleasant for a user. This can be compensated for in an advantageous manner by adapting the heating parameter or heating profile to the respective article.
  • the heating parameter can be, for example, a maximum temperature or a heating duration.
  • the heating curve is, in particular, a temperature dependent on the heating duration.
  • the heating parameters or heating profiles can in particular be specified by the manufacturer of the device. However, it is also conceivable that a user can save his own heating parameters or heating processes in the data memory.
  • control unit is designed in such a way that if the sensor data do not match, at least one of the sensors with the corresponding reference values of the reference value set prevents activation of the heating device and / or outputs an error signal via the at least one feedback element. In this way, use of the device with an unauthorized article can be prevented. This makes it particularly difficult to copy articles.
  • At least one second identification process can possibly be triggered automatically or by a user in the event of a mismatch in order to avoid incorrect assessments by the control unit.
  • the device has a pressure sensor for detecting an inhalation process by a user of the device.
  • the heating device can be automatically triggered when the pressure sensor detects an inhalation process.
  • a level measurement can also be carried out automatically by the pressure sensor when an inhalation process is recognized.
  • the pressure sensor can be designed, for example, as a piezoresistive, piezoelectric, capacitive or inductive pressure sensor.
  • the device comprises at least one orientation sensor, in particular an inertial measuring unit, for detecting an actual orientation of the device. Determining an actual orientation can represent an important prerequisite for further functions of the device.
  • the sensor data of the other sensors can be influenced by the actual orientation of the device.
  • the measurement results of the sensors change depending on the position of the liquid in the liquid reservoir.
  • the position of the liquid in the liquid storage tank is in turn dependent on the actual orientation of the device due to gravity. It is also conceivable that the device must be brought into a certain orientation before the article is identified.
  • the orientation sensor is designed, for example, to determine an inclination of the device, in particular a deviation from the vertical.
  • the device is, for example, precisely parallel to the vertical when a longitudinal axis of the device, i. H. an axis along the longest extension of the device is parallel to the vertical.
  • the vertical is the axis along which gravity acts. Roughly estimated is the vertical axis that points to the center of the earth.
  • the orientation sensor is designed in particular as a micro-electro-mechanical system (MEMS).
  • An inertial measuring unit is in particular a combination of one or more orientation sensors, acceleration sensors and / or rotation rate sensors.
  • control unit is also designed in such a way that it first detects an actual orientation of the device by means of the at least one orientation sensor in order to determine the fill level of the article and compares it with a target orientation stored in the data memory and, if they match, the determination of the fill level continues or, if they don't match, outputs an error signal via the at least one feedback element.
  • the filling level of the article should be determined with the device in an upright position. This can be ensured by the design of the control unit described.
  • the user is stopped by the error signal, for example, to bring the device into the corresponding upright position so that the determination of the fill level can be continued.
  • a determination of the fill level of the article is automatically triggered if the actual orientation and the target orientation match.
  • the target orientation is given in particular by the Fiersteller of the Vorrich device.
  • control unit is designed in such a way that it transfers the sensor data from the sensors as parameters of a fill level function stored in the data memory to determine the fill level of the article, an output value of the fill level function representing a current fill level of the article.
  • the fill level it may be inexpedient to store individual reference values for the sensor data due to the many possible different states. It is therefore advantageous to use the fill level function with regard to the memory requirement in the data memory and the precision of the determination of the fill level.
  • the filling level function can, for example, have been determined by the Fiersteller of the device in the course of laboratory tests. It is conceivable that several level functions are stored in the data memory, these being, for example, article-specific.
  • successful identification of the article is a prerequisite for determining the fill level. It can therefore be expedient to carry out the identification of the article immediately after an article has been inserted into the device or the device has been filled with an article. It represents a further advantage if the control unit is designed in such a way that it increases a cycle time for retrieving the sensor data of at least one sensor as soon as the fill level falls below a fill level limit value stored in the data memory, in particular 30%. Use of the device with an article in which the liquid to be vaporized has been consumed can result in damage to the device and / or an undesirable experience for the user. It is therefore important to monitor a low level with increased precision.
  • the cycle time is to be understood as the frequency of the successive automatic reading processes of the sensor data. For example, the cycle time can be doubled after falling below the fill level limit value.
  • control unit is also designed such that it outputs an error signal via the at least one feedback element when the fill level limit value is not reached and / or controls activation and deactivation of the meat device depending on the actual orientation of the device detected by the orientation sensor and the determined fill level.
  • the control unit can prevent the meat frying device from being activated.
  • An inclination limit value can be, for example, 30 °, 20 ° or 10 °.
  • the slope limit value can also depend, for example, on the fill level. The inclination limit value becomes smaller, especially when the fill level drops.
  • control unit is designed in such a way that it only allows the meat device to be activated if an actual orientation of the device corresponds to a target orientation stored in the data memory. As already indicated, this can be especially true for a low filling level to prevent damage to the device or an undesirable experience by the user. In other cases, however, the user experience may possibly be improved in this way.
  • the target orientation relates in particular to an inclination of the device.
  • control unit is designed to form a difference between a metering level stored in the data memory and the actual level of the article and, if the difference exceeds a difference limit value stored in the data memory, over the at least one feedback element to output an error signal and / or to prevent activation of the sausage device.
  • the Fiersteller or a user of the device for example, to limit a time-dependent maximum dosage of the article that is consumed by the user in a dosage interval.
  • a maximum dosage can be set for one day.
  • the dosing level is saved in particular at the point in time when the maximum dose is set or at the beginning of the dosing interval.
  • the maximum dosage is preferably converted into the difference limit value by the control unit.
  • the device can in particular have a timer, for example a clock, with the aid of which the dosing interval is established or checked.
  • the device can, for example, have an input means, in particular for determining a maximum dosage.
  • the input means can also be used, for example, to input a user-defined meat course and / or other operating parameters of the device.
  • the input means is in particular connected to the control unit for data transmission.
  • the input means can be designed, for example, as one or more buttons.
  • the function of an input means can also for example from the data interface already described, via which an external input means is connected to the device.
  • the control unit is designed in such a way that it detects bubbles in the article based on the sensor data of at least one sensor, in particular the optical sensor, and / or that the determination of the fill level only starts when a stored waiting time has elapsed and / or no more bubbles can be detected.
  • Bubbles in an article comprising a liquid can arise, for example, when the device is moved.
  • the bubbles can negatively influence the determination of the fill level by falsifying the measurement results.
  • the bubbles may cause too little liquid to reach the meat processor, which may result in overheating of the meat processor or an undesirable experience for the user. It is therefore also conceivable for the control unit to prevent the meat frying device from being activated if bubbles are detected in the article.
  • the optical sensor is particularly suitable for detecting the bubbles.
  • light absorption can be increased by the bubbles.
  • sensor data from the orientation sensor are used as an additional indicator of the presence of bubbles if, for example, increased movements of the device have been detected.
  • a measurement for recognizing the bubbles can also be triggered, for example after increased movements of the device have been detected.
  • a method for operating a device for generating an inhalable aerosol is also proposed, which is characterized in that the method is carried out with a device according to the preceding description.
  • the features described can be implemented individually or in any combination.
  • the described advantages of the device also extend to the method.
  • Figure 1 is a schematic representation of a first amongsbei game of the device according to the invention
  • Figure 2 is a schematic representation of a second amongsbei game of the device according to the invention
  • Figure 3 is a schematic representation of a third amongsbei game of the device according to the invention.
  • Figure 4 is a schematic representation of a fourth,sbei game of the device according to the invention.
  • Figure 5 is a schematic representation of a fifth,sbei game of the device according to the invention.
  • Figure 1 shows a schematic representation of a first principalsbei game of the device 1 according to the invention for generating an inhalierba Ren aerosol.
  • the device 1 comprises a receiving area 2 for an aerosol-generating article 3.
  • the article 3 comprises a tank 4 and a liquid 5 stored in the tank.
  • the device 1 is designed to vaporize the liquid 5 and there with the inhalable aerosol to form.
  • the device 1 has in particular a special heating device 6 by which the liquid 5 is heated.
  • the heating device 6 is shown here schematically by means of a heating coil which can be heated by means of a current flow.
  • An air inlet duct 23 is also shown schematically, via which ambient air is guided to the heating device 6. There the air mixes with the aerosol and reaches the user via the mouthpiece 7 and an air outlet channel 28.
  • a line element 24 is shown schematically.
  • the liquid 5 can be fed to the heating device 6 in order to generate the aerosol there by heating.
  • the line element 24 is shown here schematically in such a way that it extends into the tank 4.
  • the line element 24 can, for example, as is customary with most e-cigarettes, be formed from cotton wool or a cotton wool-like material.
  • the line element 24 soaks up in particular with the liquid 5 and thereby leads it to the heating device 6.
  • the heating device 6 and the line element 24 can be in direct contact with one another.
  • the tank 4 is permeable to the liquid 5 on the side facing the heating device 6, so that it can reach the line element 24.
  • the device 1 comprises the Schuvor direction 6.
  • the heating device 6 is therefore not exchanged.
  • Article 3, in which the heating device 6 is part of article 3 and is thus exchanged with out when exchanging, are of course also conceivable. If the heating device 6 is part of the article 3, however, it can be supplied with energy and / or controlled by the device 1.
  • FIG. 2 shows a schematic representation of a second embodiment example of the device 1 according to the invention. The devices 1 from FIG. 2
  • the device 1 from FIG. 1 has in particular a mouthpiece 7 that the device 1 from FIG. 2 lacks.
  • the article 3 from FIG. 2 comprises a tobacco-based solid which is wrapped in a paper envelope 9, for example. In the case of this article 3, a user places his mouth directly on the article 3 to inhale the aerosol formed. An additional mouthpiece 7 is not necessary here.
  • the exemplary embodiments from FIG. 1 and FIG. 2 have in common that the devices 1 each have an energy supply 10, which in particular supplies the meat frying device 6 with an electrical current.
  • the energy supply 10 is designed, for example, as an energy store, in particular as a battery or accumulator.
  • the devices 1 also have at least one electrostatic sensor 11a-11c for detecting electrostatic properties of the article 3.
  • the device 1 can also have a second and optionally a third sensor, so that the electrostatic sensor 11a -
  • I I c can also be a first sensor 11a-11c, which can detect the physical properties of the article 3 as first sensor data.
  • the first sensor data thus comprise the electrostatic properties of Article 3.
  • the devices 1 each have a control unit 13 for evaluating the sensor data.
  • the control unit 13 is designed in such a way that it identifies the article 3 on the basis of the sensor data of at least one first sensor 11.
  • the control unit 13 is additionally or alternatively designed such that this uses the sensor data of at least one first sensor 11 to determine a fill level of the liquid 5 of the article 3.
  • the control unit 13 is connected in particular to the energy supply 10, the meat processing device 6 and the first sensor, but this is not shown in the schematic illustration for the sake of clarity.
  • the control unit 13 is designed to activate or terminate a meat process of the meat device 6, the control unit 13 controlling the electrical current flowing through the meat device 6, for example.
  • the devices 1 also have a data memory 14, which is also connected to the control unit 13. It is conceivable that the data memory 14 is integrated in the control unit 13.
  • the data memory 14 includes, in particular, comparison data which the control unit 13 can use to evaluate the sensor data.
  • the data memory 14 comprised a database of reference value sets, each reference value set having reference values for the sensor data which correspond to a certain article 3 compatible with the device 1 and intended for use with the device 1. These reference value sets can consequently be used by the control unit 13 to identify the article 3.
  • the article 3 can be identified, for example, by the control unit 13 after a new article 3 has been inserted into the receiving area 2 of the device 1.
  • the sensor data of at least the first sensor 11 are called up by the control unit 13 and compared with the reference values stored in the data memory 14. If a specified difference between reference values and sensor data is not reached, the article 3 inserted in the device 1 is identified as an article 3 corresponding to a reference value record of the data memory 14.
  • the control unit 13 can, for example, allow or prevent activation of the heating device 6.
  • use of the device 1 with imitation products is to be prevented.
  • the use of damaged articles 3 or articles 3 into which foreign substances or foreign bodies have entered during manufacture or during transport can be prevented.
  • the article 3 is marked in a certain way during manufacture, so that an identification of the article 3 is simplified by the at least one sensor 11 and the control unit 13.
  • the liquid 5 and / or the tank 4 of the article 3 can be provided with a substance with known electrostatic properties, so that this electrostatic properties can be easily obtained from the at least one first sensor 11, which is a electrostatic sensor 11 is, can be detected.
  • the paper sleeve 9 can be prepared in the manner described.
  • a thickness of the paper envelope 9 influences the electrostatic properties of the article 3.
  • the articles 3 become particularly resistant to imitation if various physical properties of the articles 3 are prepared in a certain way.
  • the data memory 14 can, for example, also contain article-based heating parameters or heating profiles. After the article 3 has been successfully identified, the control unit 13 can operate the heating device 6, in particular with that heating parameter or heating process that is assigned to the article 3 identified.
  • the device 1 has three electrostatic sensors 11 a - 11 c or first sensors 11 a - 11 c on.
  • the exemplary embodiment in FIG. 2 only an electrostatic sensor 11 or a first sensor 11 is shown as an example.
  • the receiving area 2 has a base 8 and at least one longitudinal side 25, 26.
  • the first electrostatic sensor 11a is on the first longitudinal side 25 in FIG. 1
  • the second electrostatic sensor 11b is on the second longitudinal side 26 in FIG. 1
  • the third electrostatic sensor 11c is disposed on the floor 8.
  • the fill level can be determined well, for example.
  • the electrostatic sensor 11 of FIG. 2 is arranged on the first longitudinal side 25.
  • FIG. 3 and FIG. 4 each show schematic representations of a third and fourth exemplary embodiment of the device 1 according to the invention. Analogously to FIGS. 1 and 2, the exemplary embodiments differ significantly in terms of the articles 3 for which the devices 1 are intended. As before, the device 1 of FIG. 3 is intended for use with an article 3 which comprises a liquid 5. The device 1 of FIG. 4 is intended for an article 3 with a tobacco-based solid. The physical features of the exemplary embodiments in FIGS. 3 and 4 largely match.
  • the devices 1 of FIGS. 3 and 4 have, in addition to the first sensor 11, at least one second sensor 12 and at least one third sensor 19, which are designed to detect a second and third physical property of the article 3 as second and third sensor data.
  • the second sensor 12 designed as an optical sensor, comprises in these exemplary embodiments a detector 15, a first illuminant 16 and a second illuminant 17.
  • the first illuminant 16 is arranged adjacent to the detector 15 and the second illuminant 17 is arranged at a distance from the detector 15 . More precisely, the detector 15 and the first illuminant 16 are arranged in a side wall 18 of the receiving area 2. With the intended arrangement of the article 3 in the receiving area 2, the detector 15 and the first illuminant 16 are located on a longitudinal side of the article 3.
  • the second illuminant 17 is arranged in the bottom 8 of the receiving area 2, with the intended arrangement of the article 3 that second lighting means 17 is arranged on an end face of the article 3.
  • the first illuminant 16 primarily illuminates a section of the longitudinal side of the article 3.
  • a measurement of the detector 15 with an active first illuminant 16 and an inactive second illuminant 17 thus primarily records the properties of the longitudinal surface of the article 3.
  • the second illuminant 17 shines through the article 3 from the lower end face.
  • a measurement of the detector 15 with an inactive first light source 16 and an active second light source 17 thus primarily detects the properties of the volume of the article 3 . It is conceivable that the aforementioned marking for identifying the article 3 is illuminated in particular by the first illuminant 16.
  • the bulbs 16, 17 are designed as LEDs, for example.
  • the detector 15 is designed in particular as a CCD detector.
  • the article 3 is marked in a certain way during manufacture, so that an identification of the article 3 by the sensors 11, 12, 19 and the control unit 13 is simplified.
  • the liquid 5 and / or the tank 4 of the article 3 can be provided with a substance with a known electromagnetic spectrum, so that this electromagnetic spectrum is captured in a simple manner by the second sensor 12 designed as an optical sensor can be.
  • the liquid 5 and / or the tank 4 can be provided with a specific dye or a dye mixture.
  • the paper sleeve 9 can be prepared in the manner described.
  • a thickness of the paper sleeve 9 has a particularly strong influence on a characteristic light absorption by the article 3.
  • the articles 3 become particularly resistant to imitation if various physical properties of the articles 3 are prepared in a certain way.
  • the third sensor 19 is designed as a capacitive sensor and the third physical property is a specific capacitance and / or specific permittivity of the article 3.
  • the permittivity can be influenced in a certain way by a material composition of the article 3.
  • the third sensor 19, designed as a capacitive sensor, is designed, for example, in such a way that it can measure the permittivity of the article 3.
  • the sensor data of the second and possibly the third sensor 19 can supplement the sensor data of the first sensor 11 for the functions of the control unit 13 described in the exemplary embodiments of FIGS. 1 and 2, in particular the identification of article 3 and / or the determination of ei nes level of article 3, can be used. This will give accuracy and reliability of the evaluation of the sensor data and the functions based on it further increased.
  • the control unit 13 is designed in particular to combine the sensor data from the first sensor 11, the second sensor 12 and possibly the third sensor 19 and / or to evaluate them together.
  • Merging can be understood to mean, for example, that the sensor data from sensors 11, 12, 19 are evaluated separately, but a result of the evaluation depends on all sensor data.
  • the sensor data are evaluated jointly, for example.
  • the sensor data can flow into a joint calculation as parameters, for example.
  • the devices 1 have an orientation sensor 20 with which an actual orientation of the devices 1 can be determined.
  • the orientation sensor 20 is designed, for example, as an inertial measuring unit.
  • the orientation sensor 20 is connected to the control unit 13, the control unit 13 being designed to carry out certain functions as a function of the actual orientation of the device 1. For example, it is expedient to determine the level of the liquid 5 when the device 1 is in an upright position as in the diagrams shown.
  • the data memory 14 can include one or more target orientations for this purpose, with which the control unit 13 can compare the actual orientation determined by the orientation sensor 20.
  • the control unit 13 can prevent the meat device 6 from being activated if the device 1 is tilted excessively by the orientation sensor 20.
  • the devices 1 also have a pressure sensor 21 which can detect inhalation by a user of the device 1 in particular due to a pressure drop.
  • the pressure sensor 21 is also connected to the control unit 13 so that the control unit 13 can, for example, automatically activate the heating device 6 when an inhalation process is detected. It is also conceivable that when an inhalation process is detected by the pressure sensor 21, the control unit 13 ascertains the level of the liquid 5 or generally ascertains the remaining quantity of the article 3.
  • a feedback element 22 is used, which is designed, for example, as an optical display element, an acoustic loudspeaker element or a haptic vibration element.
  • error messages can be output via the feedback element 22.
  • a user can be signaled a low level or, in general, an almost used up item 3 that needs to be replaced.
  • the corresponding signal can be, for example, a lighting up, a sound or a vibration of the feedback element 22.
  • the user of the device 1 can, for example, also be informed of a failed identification of the article 3.
  • the feedback element 22 For example, an incorrect actual orientation, a low state of charge of the energy supply 10, damage to the heating device 6 or some other malfunction of the device 1 can be indicated by the feedback element 22. It is conceivable that if the feedback element 22 is designed as an optical display element, a category of the successfully identified article 3 is displayed.
  • the device 1 also has an interface 18 by means of which the device 1 can be connected to a smartphone, for example. Statistics can then be displayed, for example, and / or the device 1 can be controlled via the smartphone.
  • the control unit can send a signal to the smartphone, for example that the fill level is low, to alert the user. Error messages can also be transmitted by the control unit.
  • the interface 18 is preferably a wireless interface, for example Bluetooth, WLAN or the like.
  • FIG. 5 shows an exemplary embodiment in which the electrostatic sensor 11 or the first sensor 11 comprise at least one antenna unit 27.
  • the two electrostatic sensors 11a, 11c of FIG. 1 are shown in greater detail here by way of example.
  • the other electrostatic sensors 11 of the other figures can also be designed according to FIG.
  • the first electrostatic sensor 11a which is arranged on the first longitudinal side 25, comprises at least one, in this exemplary embodiment four, antenna units 27a-27d.
  • the third electrostatic sensor 11c which is arranged on the floor 8, also comprises at least one, in this exemplary embodiment two, antenna units 27e, 27f.
  • the antenna units 27a - 27f can be arranged at a distance from one another on the longitudinal side 25 and / or on the floor 8.
  • the antenna units 27 can also be arranged in a circumferential direction around the receiving area 2.
  • antenna units 27 can be used, for example, to confirm a measurement result or, for example, to form an average value from the measurement results of the respective antenna units 27.
  • the measurement result of the electrostatic sensor 11 is improved or becomes more trustworthy by means of the plurality of antenna units 27.
  • the at least one antenna unit 27 can also be activated by the control unit 13.
  • the at least one antenna unit 27 can furthermore be used to measure the electrostatic charge of the article 3.
  • the electrostatic charging of the article 3 also results in a charge shift on the electrostatic sensor 11 and in particular in the at least one antenna unit 27, which can be measured.
  • the at least one antenna unit 27 can also be used to transmit and / or receive. For example, by means of the at least one antenna unit 27, an electrical, in particular an electrostatic or electrodynamic, field can be generated, to which the article 3 reacts. The article 3 can thereby charge itself electrostatically, which can then be measured again. If the antenna unit 27 generates an electrodynamic field, a characteristic, for example a time profile, of the electrostatic charge of the article 3 can be measured, which can then be used to identify the fill level of the article 3 and / or the article 3.
  • the electrostatic charge can be measured with the aid of the antenna unit 27.
  • the level can be determined, for example, from the strength of the electrostatic charge. More liquid 5 in tank 3 can also be related to the strength of the electrostatic charge.
  • an antenna unit 27 can also be arranged on the second longitudinal side 26.

Landscapes

  • Geophysics And Detection Of Objects (AREA)

Abstract

L'invention concerne un dispositif (1) de génération d'un aérosol inhalable comprenant : une région de réception (2) pour un produit (3) qui génère un aérosol lors du chauffage ; au moins un capteur (11, 12, 19) pour mesurer une caractéristique physique du produit en tant que données de capteur ; et une unité de commande (13) pour commander le dispositif (1) et/ou pour évaluer les données de capteur. Selon l'invention, ledit capteur (11) est un capteur électrostatique (11) au moyen duquel une charge électrostatique du produit (3) peut être mesurée, et l'unité de commande (13) est conçue pour déterminer le niveau de remplissage du produit (3) au moins à l'aide des données de capteur du capteur électrostatique (11) et/ou pour identifier le produit (3). L'invention concerne également un procédé permettant de faire fonctionner un dispositif (1) de génération d'aérosol inhalable.
PCT/EP2021/059321 2020-04-09 2021-04-09 Dispositif de génération d'aérosol inhalable WO2021205009A1 (fr)

Priority Applications (1)

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EP21718835.8A EP4125467A1 (fr) 2020-04-09 2021-04-09 Dispositif de génération d'aérosol inhalable

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DE102020110031.0 2020-04-09
DE102020110031.0A DE102020110031A1 (de) 2020-04-09 2020-04-09 Vorrichtung zum Erzeugen eines inhalierbaren Aerosols

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WO2018114849A1 (fr) * 2016-12-22 2018-06-28 Philip Morris Products S.A. Système de génération d'aérosol ayant des paires d'électrodes
EP3536176A1 (fr) 2018-03-05 2019-09-11 InnoCigs GmbH & Co. KG Cigarette électronique avec capteur de niveau de fluide
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US20170340009A1 (en) * 2014-12-25 2017-11-30 Fontem Holdings 1 B.V. Electronic cigarette liquid detection and measurement systems
WO2018114849A1 (fr) * 2016-12-22 2018-06-28 Philip Morris Products S.A. Système de génération d'aérosol ayant des paires d'électrodes
EP3536176A1 (fr) 2018-03-05 2019-09-11 InnoCigs GmbH & Co. KG Cigarette électronique avec capteur de niveau de fluide
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DE102020110031A1 (de) 2021-10-14

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