EP4129099A1 - Dispositif de génération d'aérosol et procédé de commande associé - Google Patents

Dispositif de génération d'aérosol et procédé de commande associé Download PDF

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Publication number
EP4129099A1
EP4129099A1 EP21779095.5A EP21779095A EP4129099A1 EP 4129099 A1 EP4129099 A1 EP 4129099A1 EP 21779095 A EP21779095 A EP 21779095A EP 4129099 A1 EP4129099 A1 EP 4129099A1
Authority
EP
European Patent Office
Prior art keywords
heater
heating
time
preset
aerosol generation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21779095.5A
Other languages
German (de)
English (en)
Other versions
EP4129099A4 (fr
Inventor
Shengjie HU
Xiaodong Sun
Zhongli XU
Yonghai LI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Publication of EP4129099A1 publication Critical patent/EP4129099A1/fr
Publication of EP4129099A4 publication Critical patent/EP4129099A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—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
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present application relates to the technical field of smoking sets, and in particular relates to an aerosol generation apparatus and a control method therefor.
  • Articles (such as cigarettes, cigars, etc.) burn tobacco during use to produce tobacco smoke. Attempts have been made to provide alternatives to these articles that bum tobacco by making products that release compounds without burning. Examples of such products are so-called heat-not-burn products, also known as tobacco heating products or tobacco heating devices, which release compounds by heating a material without burning the material.
  • the material may be tobacco or other non-tobacco products or a combination, such as a blended mixture which may or may not contain nicotine.
  • a heater When a user smokes, a heater needing to be started to heat an aerosol generation substrate from an ambient temperature to an aerosol generation temperature that can form evaporant.
  • the aerosol generation temperature is generally 200°C-400°C.
  • it is necessary to reach the aerosol generation temperature from the ambient temperature within a short time, and power requirements for heating and power supply components are very high, which may cause some problems.
  • a heating rod of a key-activated resistive heater of a certain brand when the user does not insert a cigarette into the heating rod, if a key is pressed or the key is touched by mistake, the heating rod starts the resistive heater for heating.
  • the resistive heater is in a high temperature working state, there is no cigarette in the heating rod to conduct heat therefor, and a heating component is in a dry-burning state, which is easy to damage the heating component, resulting in a significant reduction in the service life of the heating rod.
  • the present application provides an aerosol generation apparatus and a control method therefor, and aims to solve the problem about how to perform dry-burning detection on the aerosol generation apparatus.
  • a first aspect of the present application provides a control method for an aerosol generation apparatus, where the aerosol generation apparatus includes a heater for heating an aerosol generation substrate to generate an aerosol, and the method includes: determining total energy generated by heating of the heater within a preset time, and performing dry-burning detection according to the total energy generated by heating of the heater within the preset time, where the preset time is greater than or equal to duration when the temperature of the heater rises from an initial temperature to a preset target temperature.
  • a second aspect of the present application provides an aerosol generation apparatus.
  • the aerosol generation apparatus includes a heater and a controller, and the controller is configured to execute the control method for an aerosol generation apparatus according to the first aspect.
  • the problem of damage to a heating component when the heater is in a dry-burning state while a cigarette is not inserted into the aerosol generation apparatus is avoided. Therefore, user experience is improved.
  • FIG. 1 is a schematic structural diagram of an aerosol generation apparatus according to an embodiment of the present application.
  • the aerosol generation apparatus 10 includes a battery, 101, a controller 102 and a heater 103.
  • the aerosol generation apparatus 10 has an interior space defined by a housing, and an aerosol generation article (e.g., a cigarette) can be inserted into the interior space of the aerosol generation apparatus 10.
  • an aerosol generation article e.g., a cigarette
  • FIG. 1 Only elements, related to the present embodiment, of the aerosol generation apparatus 10 are shown in FIG. 1 . Accordingly, it should be understood by those skilled in the art related to this embodiment that the aerosol generation apparatus 10 may further include general elements in addition to those shown in FIG. 1 .
  • the battery 101 supplies electric power for operating the aerosol generation apparatus 10.
  • the battery 101 can supply electric power to heat the heater 103 and can supply electric power needed to operate the controller 102.
  • the battery 101 can supply electric power needed by a display, a sensor, a motor and the like provided in the aerosol generation apparatus 10.
  • the battery 101 may be, but is not limited to, a lithium iron phosphate (LiFePO4) battery.
  • the battery 101 may be a lithium cobalt oxide (LiCoO2) battery or a lithium titanate battery.
  • the battery 101 may be a rechargeable battery or a disposable battery.
  • the aerosol generation apparatus 10 heats the heater 103 by the electric power supplied by the battery 101.
  • the heater 103 raises the temperature of an aerosol generation substrate in the cigarette to generate an aerosol.
  • the generated aerosol is delivered to a user via a filter tip section of the cigarette for smoking.
  • the aerosol generation apparatus 10 can also heat the heater 103 even if the cigarette is not inserted into the aerosol generation apparatus 10.
  • the heater 103 may be in a central heating manner (being in contact with the aerosol generation substrate by the periphery of a heating body or heating unit) or in a peripheral heating manner (the heating body or the heating unit wrapping the aerosol generation substrate), or the heater 103 may heat the aerosol generation substrate by means of one or more of thermal conduction, electromagnetic induction, chemical reaction, infrared action, resonance, photoelectric conversion, and photothermal conversion to generate the aerosol for smoking.
  • the controller 102 can control the overall operation of the aerosol generation apparatus 10. In detail, the controller 102 not only controls the operation of the battery 101 and the heater 103, but also controls the operation of other elements in the aerosol generation apparatus 10. In addition, the controller 102 can determine whether the aerosol generation apparatus 10 can be operated by checking the status of the elements of the aerosol generation apparatus 10.
  • the controller 102 can control the operation of the heater 103.
  • the controller 102 can control the amount of the electric power supplied to the heater 130 and the time for which the electric power is continuously supplied to the heater 103 such that the heater 103 is heated to a predetermined temperature or maintained at an appropriate temperature.
  • the controller 102 can check the status of the battery 101 (e.g., the remaining power of the battery 101) and, if necessary, can generate a notification signal.
  • the controller 102 can check whether the user smokes and smoking intensity, and can count the number of smoked cigarettes. In addition, the controller 102 can check the time for continuous operation of the aerosol generation apparatus 10.
  • the aerosol generation apparatus 10 may include general elements in addition to the battery 101, the controller 102 and the heater 103.
  • the aerosol generation apparatus 10 may include a display for outputting visual information or a motor for outputting tactile information.
  • the controller 102 can send information regarding the status of the aerosol generation apparatus 10 (e.g., whether the aerosol generation apparatus 10 can be used), information regarding the heater 103 (e.g., preheating start, preheating in progress, or preheating complete), information regarding the battery 101 (e.g., the remaining power of the battery 101, whether the battery 101 can be used), information regarding reset of the aerosol generation apparatus 10 (e.g., reset time, reset in progress, or reset complete), information regarding cleaning of the aerosol generation apparatus 10 (e.g., cleaning time, need to clean, cleaning in progress, or cleaning complete), information regarding charging of the aerosol generation apparatus 10 (e.g., need to charge, charging in progress, or charging complete), information regarding smoking (e.g., the number of smoking times and smoking end notification), or information regarding safety (e.g., use time) to the user
  • the heater 103 e.g., preheating
  • the aerosol generation apparatus 10 may include at least one input device (e.g., a key) used by the user to control functions of the aerosol generation apparatus 10.
  • the user can perform various functions by using the input device of the aerosol generation apparatus 10.
  • the desired function among the plurality of functions of the aerosol generation apparatus 10 can be performed by adjusting the number of times the user presses the input device (e.g., once or twice) or the time the user continues to press the input device (e.g., 0.1s or 0.2s).
  • the aerosol generation apparatus 10 can perform the function of heating the heater 103, the function of adjusting the temperature of the heater 103, the function of cleaning a space into which the cigarette is inserted, the function of checking whether the aerosol generation apparatus 10 can be operated, the function of displaying the remaining power (available electric power) of the battery 101, and the function of resetting the aerosol generation apparatus 10.
  • the functions of the aerosol generation apparatus 10 are not limited thereto.
  • FIG. 2 is a schematic structural diagram of a cigarette according to an embodiment of the present application.
  • a cigarette 20 includes a filter tip section 21 and a tobacco section 22.
  • the tobacco section 22 includes an aerosol generation substrate.
  • the aerosol generation substrate is a substrate capable of releasing volatile compounds that can form an aerosol, and the volatile compounds can be released by heating the aerosol generation substrate.
  • the aerosol generation substrate may be a solid aerosol generation substrate.
  • the aerosol generation substrate may include solid and liquid components.
  • the aerosol generation substrate may include a tobacco-containing material containing volatile compounds with a tobacco flavor which are released from the substrate upon heating.
  • the aerosol generation substrate may include a non-tobacco material.
  • the aerosol generation substrate may further include an aerosol generation substance. Examples of suitable aerosol generation substances are glycerine and propylene glycol.
  • the aerosol produced by heating the tobacco section 22 is delivered to the user via the filter tip section 21, and the filter tip section 21 may be a cellulose acetate filter tip.
  • the filter tip section 21 can be sprayed with flavoring liquid to provide fragrance, or separate fibers coated with the flavoring liquid can be inserted into the filter tip section 21 to improve the durability of the flavor delivered to the user.
  • the filter tip section 21 may also have a capsule of a spherical or cylindrical shape, which may contain the contents of flavoring substances.
  • the cigarette 20 may further include general components in addition to those shown in FIG. 2 , e.g., a cooling section for cooling the aerosol produced by heating the tobacco section 22, such that the user can inhale the aerosol cooled to a suitable temperature.
  • a cooling section for cooling the aerosol produced by heating the tobacco section 22, such that the user can inhale the aerosol cooled to a suitable temperature.
  • FIG. 3 is a schematic diagram of a preheating curve of a heater according to an embodiment of the present application.
  • a temperature curve of the heater 103 over time includes a heating phase and a heat preservation phase.
  • the temperature of the heater 103 is raised from an initial temperature T0 (or an ambient temperature) to a preset target temperature T1.
  • the preset target temperature T1 is set such that the desired volatile compounds vaporize from the aerosol generation substrate, and undesired compounds with higher vaporization temperatures do not vaporize.
  • the preset target temperature T1 may be 200°C-400°C.
  • the temperature of the heater 103 is maintained at the preset target temperature T1 for a period of time, such that the aerosol generation substrate is sufficiently preheated and the smoking feeling of the user is improved.
  • the duration of the heating phase is t0-t1
  • the duration of the heat preservation phase is t1-t2
  • t0-t2 is a preheating time of the heater 103.
  • the preheating time of the heater 103 is 5s to 30s.
  • FIG. 3 only shows a schematic diagram of a temperature curve related to this embodiment.
  • the heater 103 is in the smoking phase, that is, the user can smoke the aerosol generated by heating of the aerosol generation apparatus 10.
  • the temperature of the heater 103 is maintained within a certain preset temperature range or at a certain preset temperature for a period of time.
  • the preset time may be determined according to a preheating time of the heater 103. As shown in FIG. 3 , the preset time is greater than or equal to duration t0-t1 when the temperature of the heater 103 rises from an initial temperature to a preset target temperature.
  • the preset time is less than or equal to the preheating time t0-t2 of the heater 103.
  • the controller 102 controls the heating power (assuming the power is constant) supplied by a battery 101 to the heater 103 to be W1; and in the heat preservation phase t1-t2 of the heater 103, the controller 102 controls the heating power (assuming the power is constant) supplied by the battery 101 to the heater 103 to be W2.
  • step S12 the controller 102 performs dry-burning detection according to the total energy generated by heating of the heater 103 within the preset time.
  • the controller 102 compares the total energy generated by heating of the heater 103 within the preset time with a preset energy threshold, if the total energy generated by heating of the heater 103 within the preset time is less than the preset energy threshold, determines that dry-burning occurs; and otherwise, determines that no dry-burning occurs.
  • the preset energy threshold may be an experimental value or empirical value.
  • the heater 103 is used to preheat a cigarette 20 of a certain type, and the total energy Qn generated by the heater 103 heating such type of cigarette 20 within the preheating time 10-t2 is tested, and after several tests, an average value is obtained to serve as the preset energy threshold.
  • the controller 102 controls the heater 103 to stop heating, so as to prevent the heater 103 from being in a dry-burning state all the time, resulting in damage to the heater 103. Furthermore, the user can be prompted that the heater 103 is in the dry-burning state by means of an indicator lamp or vibration.
  • the controller 102 controls the heater 103 to continue to perform the next phase, e.g., completing the heat preservation phase, entering a smoking phase, and so on.
  • FIG. 5 is another schematic flowchart of a control method for an aerosol generation apparatus according to an embodiment of the present application.
  • a controller 102 controls a heater 103 to perform heating with first heating power.
  • the controller 102 controls the heater 103 to perform heating with constant heating power, and the first heating power may be the maximum heating power supplied by a battery 101 to the heater 103 under the control of the controller 102.
  • a resistance value of the heater 103 may change with the change of temperature, resulting in that the heating power supplied to the heater 103 also changes. Therefore, furthermore, the controller 102 can also control the heater 103 to perform heating with the constant heating power by the following steps: determining a real-time resistance of the heater 103; determining a real-time voltage supplied to the heater 103 according to the real-time resistance of the heater 103 and the first heating power; and adjusting a voltage supplied to the heater 103 to the real-time voltage.
  • the real-time resistance of the heater 103 can be determined by measuring the voltage applied to the heater 103 and the current flowing through the heater 103.
  • step S21 in the heat preservation phase t1-t2, the controller 102 controls the heater 103 to perform heating with second heating power, and linearly adjusts the second heating power according to a preset target temperature T1, where the second heating power is less than the first heating power.
  • the controller 102 determines the real-time resistance of the heater 103, and determines a real-time temperature of the heater 103 according to the real-time resistance of the heater 103.
  • the second heating power is linearly increased according to a first preset step value.
  • the second heating power is linearly decreased according to a second preset step value.
  • the first preset step value and the second preset step value may be the same.
  • the controller 102 controls the heater 103 to enter the heating phase. Specifically, the controller 102 can control the heater 103 to perform heating with the constant heating power of 6 W. During the heating process of the heater 103, the resistance value of the heater 103 may change with the change of temperature, resulting in that the heating power supplied to the heater 103 also changes. Therefore, the controller 102 determines the real-time resistance of the heater 103, determines the real-time voltage supplied to the heater 103 according to the real-time resistance of the heater 103 and the constant heating power of 6 W, and adjusts the voltage supplied to the heater 103 to the real-time voltage.

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  • Catching Or Destruction (AREA)
  • Resistance Heating (AREA)
  • Control Of Resistance Heating (AREA)
EP21779095.5A 2020-03-28 2021-03-26 Dispositif de génération d'aérosol et procédé de commande associé Pending EP4129099A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010232894.2A CN113439881A (zh) 2020-03-28 2020-03-28 气溶胶生成装置及其控制方法
PCT/CN2021/083347 WO2021197232A1 (fr) 2020-03-28 2021-03-26 Dispositif de génération d'aérosol et procédé de commande associé

Publications (2)

Publication Number Publication Date
EP4129099A1 true EP4129099A1 (fr) 2023-02-08
EP4129099A4 EP4129099A4 (fr) 2023-09-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21779095.5A Pending EP4129099A4 (fr) 2020-03-28 2021-03-26 Dispositif de génération d'aérosol et procédé de commande associé

Country Status (5)

Country Link
US (1) US20230138171A1 (fr)
EP (1) EP4129099A4 (fr)
KR (1) KR20220160110A (fr)
CN (1) CN113439881A (fr)
WO (1) WO2021197232A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113712283B (zh) * 2021-09-10 2022-12-09 上海烟草集团有限责任公司 一种防止过度加热的控制方法、装置及电加热烟具
CN116138503A (zh) * 2021-11-19 2023-05-23 深圳市合元科技有限公司 气雾生成装置及控制方法
CN118077962A (zh) * 2022-11-25 2024-05-28 深圳市合元科技有限公司 气溶胶产生装置及其控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2609820A1 (fr) * 2011-12-30 2013-07-03 Philip Morris Products S.A. Détection d'un substrat formant un aérosol dans un dispositif de génération d'aérosol
CN107510096A (zh) * 2017-09-27 2017-12-26 深圳市舜宝科技有限公司 一种电子烟发热片的温控系统
BR112020008345A2 (pt) * 2017-11-30 2020-11-03 Philip Morris Products S.A. dispositivo gerador de aerossol e método para controlar um aquecedor de um dispositivo gerador de aerossol
CN108851233B (zh) * 2018-04-04 2020-02-28 赫斯提亚深圳生物科技有限公司 一种气溶胶生成装置及其控制方法
US20210401062A1 (en) * 2018-07-23 2021-12-30 China Tobacco Hubei Industrial Corporation Limited Method for controlling temperature of heat-generating component of electrically heated vapor-generating system and electrically heated vapor-generating system
US20200068949A1 (en) * 2018-08-28 2020-03-05 Fontem Holdings 1 B.V. Dual-tank electronic cigarette
CN110301677A (zh) * 2019-07-12 2019-10-08 深圳市福来科技有限公司 一种防止加热不燃烧烟具干烧的检测及控制方法
CN110487848A (zh) * 2019-07-30 2019-11-22 深圳麦克韦尔科技有限公司 雾化组件含油量检测方法、装置及电子雾化装置
CN110584204B (zh) * 2019-07-30 2023-06-02 深圳麦克韦尔科技有限公司 电子雾化装置的加热控制方法、控制装置及电子雾化装置
CN110558617B (zh) * 2019-07-30 2022-12-27 深圳麦克韦尔科技有限公司 电子雾化装置、加热控制方法、装置和存储介质
CN110731545B (zh) * 2019-10-18 2022-12-27 深圳麦克韦尔科技有限公司 雾化组件加热控制方法、装置、电子雾化装置及存储介质

Also Published As

Publication number Publication date
JP2023519691A (ja) 2023-05-12
US20230138171A1 (en) 2023-05-04
CN113439881A (zh) 2021-09-28
WO2021197232A1 (fr) 2021-10-07
KR20220160110A (ko) 2022-12-05
EP4129099A4 (fr) 2023-09-20

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