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EP4393334A1 - Produit programme informatique, support de stockage, appareil de commande, appareil de génération d'aérosol et procédé de commande associé - Google Patents

Produit programme informatique, support de stockage, appareil de commande, appareil de génération d'aérosol et procédé de commande associé Download PDF

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Publication number
EP4393334A1
EP4393334A1 EP22866289.6A EP22866289A EP4393334A1 EP 4393334 A1 EP4393334 A1 EP 4393334A1 EP 22866289 A EP22866289 A EP 22866289A EP 4393334 A1 EP4393334 A1 EP 4393334A1
Authority
EP
European Patent Office
Prior art keywords
aerosol generating
switch tube
generating apparatus
module
heating
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
EP22866289.6A
Other languages
German (de)
English (en)
Other versions
EP4393334A4 (fr
Inventor
Liang Wang
Hengheng DOU
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 Maishi Technology Co Ltd
Original Assignee
Shenzhen Merit 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 Merit Technology Co Ltd filed Critical Shenzhen Merit Technology Co Ltd
Publication of EP4393334A1 publication Critical patent/EP4393334A1/fr
Publication of EP4393334A4 publication Critical patent/EP4393334A4/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
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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
    • A24F40/465—Shape or structure of electric heating means specially adapted for induction heating
    • 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
    • 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
    • A24F40/57—Temperature control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid

Definitions

  • Aerosol generating apparatus is a kind of apparatus which can atomize aerosol generating matrix in atomizer. It has the advantages of safety, convenience, health and environmental protection and the like, so it is more and more concerned and favored by people.
  • the corresponding detection results comprise the temperature of the heating element, whether a suction action occurs, or whether an insertion action of a aerosol generating matrix occurs.
  • the resonance module further comprises a first switch tube, a second switch tube, a fifth switch tube, a first diode, a second diode, a first capacitor, a first inductor and a second inductor, wherein the control end of the fifth switch tube is connected with the first output end of the control module, the first end of the fifth switch tube is connected with an output end of a power supply, the second end of the fifth switch tube is respectively connected with the control end of the first switch tube, the control end of the second switch tube, the anode of the first diode and the anode of the second diode; the first end of the first switch tube and the first end of the second switch tube are respectively grounded, the second end of the first switch tube is respectively connected with the cathode of the first diode, the first end of the detection coil, the first end of the first capacitor and the first end of the first inductor.
  • control module comprises:
  • the control module is also used for controlling the heating module to generate alternating current on the heating coil, so as to carry out electromagnetic heating on the heating element in the containing cavity.
  • the heating module also comprises a third switch tube, a fourth switch tube, a second capacitor and a third capacitor, wherein, the first end of the third switch tube is connected with the second end of the fourth switch tube, the second end of the third switch tube is connected with an output end of a power supply, the first end of the fourth switch tube is grounded, the control end of the third switch tube is connected with the second output end of the control module, the control end of the fourth switch tube is connected with the third output end of the control module, the second capacitor and the third capacitor are connected in series between the output end of the power supply and the ground, the first end of the heating coil is connected with the first end of the third switch tube, and the second end of the heating coil is connected with the connection point of the second capacitor and the third capacitor.
  • control module is used for controlling the heating module to generate alternating current according to the temperature of the heating element in a heating period of each cycle when the power control of the heating element is carried out; controlling the resonance module to operate in a resonant state in a non-heating period of each cycle, and determining the temperature of the heating element according to the resonant frequency of the resonance module.
  • control module is also used for controlling the resonance module to work in a resonant state by timing awakening in the standby state, and determining whether an insertion action of the aerosol generating matrix occurs according to the resonant frequency of the resonance module.
  • determining the resonant frequency of the resonance module according to the voltage signal of the detection coil comprising:
  • the invention also constructs a control apparatus, which comprises a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the steps of the control method of an aerosol generating apparatus as described above are realized.
  • the corresponding detection function can be realized without setting a temperature sensor, which solves the problem of limited structural design of an aerosol generating apparatus, and also solves the problem of difficult cleaning caused by electrical connection because the detection coil does not need to be electrically connected with a heating element.
  • Fig. 1 is a logical structure diagram of an embodiment of an aerosol generating apparatus of the present invention.
  • the aerosol generating apparatus comprises a containing cavity (not shown) and a heating element 30, the containing cavity is used for containing an aerosol generating matrix 40, and the heating element 30 is used for heating the aerosol generating matrix 40.
  • the heating element 30 may be embedded in the aerosol generating matrix 40.
  • the heating element 30 is a heating element having magnetic temperature characteristics, that is, an alloy having a specific Curie temperature point, and the magnetic induction value of the alloy decreases with an increase in temperature at or below the specific Curie temperature point (for example, 420°C), and has an almost linear relationship.
  • an iron-nickel-chromium alloy can be selected as the material of the heating element 30.
  • the aerosol generating apparatus of the embodiment further comprises a control module 11, a resonance module 12 and a heating module 13, and the heating module 13 comprises a heating coil L2, which is sleeved on the containing cavity;
  • the Resonance Module 12 comprises a detection coil L1 at least a portion of which is within the magnetic field of the heating element 30.
  • both the detection coil L1 and the heating coil L2 are spiral spring coils, and both the detection coil L1 and the heating coil L2 are sleeved on the containing cavity, for example, they can be coaxially sleeved, and preferably, the heating coil L2 can be arranged outside the detection coil L1.
  • the control module 11 is respectively connected with the resonance module 12 and the heating module 13, and the control module 11 is used for controlling the heating module 12 to generate alternating current on the heating coil L2 ,so as to carry out electromagnetic heating the heating element 30 in the containing cavity; It is also used for controlling the resonance module 12 to operate in a resonant state, so that almost no induced heating is generated during detection and the current is very small during actual operation.
  • the resonant frequency of the resonance module 12 is determined according to the voltage signal of the detection coil L1, and corresponding detection results are determined according to the resonant frequency, for example, including the temperature of the heating element, whether a suction action occurs, or whether an insertion action of the aerosol generating matrix occurs.
  • the resonance frequency of the resonance module 12 is changed, that is, the frequency of the voltage on the detection coil L1 is changed, so that the frequency characteristic can be used as a characterization of the corresponding detection result of the aerosol generating apparatus, and therefore the control module 11 can determine the corresponding detection result according to the resonance frequency.
  • This detection method solves the problem of limited structural design of aerosol generating apparatus because it does not need to set a temperature sensor, and also solves the problem of cleaning difficulty caused by electrical connection because the detection coil L1 does not need to be electrically connected with the heating element.
  • the flexible design of the heating module can be realized.
  • Fig. 2 is a structural schematic diagram of the second embodiment of on aerosol generating apparatus of the present invention.
  • the heating element 30 is a flat cuboid
  • the detection coil comprises four spiral flat coils L11, L12, L13 and L14 connected in series, and the four spiral flat coils L11, L12, L13 and L14 are dispersed around the heating element 30, that is, around the containing cavity, and the detection coil is arranged in a multi-sided induction arrangement.
  • the heating element 30 is a flat cuboid
  • the detection coil is also a spiral flat coil
  • the heating element 30 may rotate around its vertical axis, that is, the projected shape in the horizontal plane changes, and it may occur that the flat surface of the heating element 30 is just perpendicular to or nearly perpendicular to the flat surface of a spiral flat coil. In this case, the influence on the resonant frequency of the resonance module is small, so that the detection result may be inaccurate.
  • control module 11 comprises a conversion unit and a main control unit, wherein, the conversion unit is used for acquiring a voltage signal of the detection coil and converting the voltage signal into a pulse signal;
  • the main control unit is used for determining the resonant frequency of the resonance module according to the pulse signal and determining the corresponding detection result according to the resonant frequency.
  • Fig. 3 is a circuit diagram of a first embodiment of a resonance module and a conversion unit in the aerosol generating apparatus of the present invention.
  • the resonance module comprises a first switch tube Q1, a second switch tube Q2, a fifth switch tube Q5, a first diode D1, a second diode D2, a first capacitor C1, a first inductor L3 and a second inductor L4, in addition to a detection coil L1.
  • the first switch tube Q1, the second switch tube Q2 and the fifth switch tube Q5 are all MOS tubes.
  • it also comprises resistors R1, R2, R3, R4, R11 and capacitor C4.
  • the gate of the fifth switch tube Q5 is connected to the first output end of the main control unit (VCC2_EN), the source of the fifth switch tube Q5 is connected to an output end of a power supply (VCC), the resistor R11 is connected between the gate and the source of the fifth switch tube Q5, and the capacitor C4 is connected between the drain of the fifth switch tube Q5 and ground.
  • the gate of the first switch tube Q1 is connected to the drain (VCC2) of the fifth switch tube Q5 through a resistor R1
  • the gate of the second switch tube Q2 is connected to the drain (VCC2) of the fifth switch tube Q5 through a resistor R2
  • the source of the first switch tube Q1 and the source of the second switch tube Q2 are respectively grounded
  • the resistor R3 is connected between the gate and the source of the first switch tube Q1
  • the resistor R4 is connected between the gate and the source of the second switch tube Q2.
  • the drain of the first switch tube Q1 is respectively connected to the cathode of the first diode D1, the first end of the detection coil L1, the first end of the first capacitor C1 and the first end of the first inductor L3.
  • the drain of the second switch tube Q2 is respectively connected to the cathode of the second diode D2, the second end of the detection coil L1, the second end of the first capacitor C1 and the first end of the second inductor L4, and the second end of the first inductor L3 and the second end of the second inductor L4 are respectively connected to the drain of the fifth switch tube Q5.
  • the anode of the first diode D1 is connected to the gate of the second switch tube Q2, and the anode of the second diode D1 is connected to the gate of the first switch tube Q2.
  • resistors R1 and R2 serve as current limiting
  • resistors R3, R4 and R11 serve as isolation
  • capacitor C4 serves as voltage stabilizing, which may be omitted in other embodiments.
  • the conversion unit comprises an operational amplifier U1B, a first resistor R5, a second resistor R6, a third resistor R8, a fourth resistor R10, and also comprises resistors R7 and R9.
  • the inverting input end of the operational amplifier U1B is connected to one end of the detection coil L1 through the second resistor R6, the non-inverting input end of the operational amplifier U1B is connected to the other end of the detection coil L1 through the third resistor R8, the first resistor R5 is connected between the inverting input end of the operational amplifier U1B and ground, the fourth resistor R10 is connected between the non-inverting input end of the operational amplifier U1B and ground, the resistors R7 and R9 are connected in series between the output end of the operational amplifier U1B and ground, and the connection point of the resistors R7 and R9 is the output end of the conversion unit.
  • Fig. 4 is a circuit diagram of a first embodiment of a heating module in an aerosol generating apparatus of the present invention.
  • the heating module of the embodiment comprises a third switch tube Q3, a fourth switch tube Q4, a second capacitor C2 and a third capacitor C3, and in the embodiment, the third switch tube Q3 and the fourth switch tube Q4 are all MOS tubes.
  • the third switch tube Q3, the fourth switch tube Q4, the heating coil L2, the second capacitor C2 and the third capacitor C3 constitute a controllable heating module.
  • the main control unit in the control module controls the alternating conduction of the third switch tube Q3 and the fourth switch tube Q4 through PWM-H and PWM-L to generate alternating current on the heating coil L2, thus realizing controllable heating of the heating element.
  • the main control unit obtains the characteristics of the current resonant frequency of the resonance module through frequency measurement, and then carries out corresponding detection through the characteristic change of the resonant frequency. Moreover, various detections can be realized by using the characteristic change of the resonant frequency.
  • the temperature of the heating element is detected by utilizing the characteristic change of the resonant frequency
  • the control module is used for controlling the heating module to generate an alternating current according to the temperature of the heating element in a heating period of each cycle when the power control of the heating element is carried out;
  • the resonance module is controlled to operate in a resonant state, and the temperature of the heating element is determined according to the resonant frequency of the resonance module.
  • an alternating current of a specific time period (Tm) is loaded on the heating coil, and the heating element performs induction heating.
  • the heating element has obvious magnetic temperature characteristics under specific temperature conditions (for example, between 150 °C and 420 °C). Then, the control module controls the resonance module to work in another specific time period (Tn), Tm and Tn are two time periods that do not coincide. Because the change of frequency characteristics of the resonance module can feedback the change of the temperature of the heating element, the control module can obtain the peak frequency characteristics of the resonance module by detecting the voltage on the detection coil, and then determine the change of the temperature of the heating element according to the change of the frequency characteristics, and adjust the interaction current on the heating coil according to the change of the temperature of the heating element. Moreover, the heating method is an induction heating method, so it has a larger conversion power. At the same time, the resonance module works in a resonant state, which hardly produces obvious induction heating, and the working current is very small in actual work.
  • the detection of the suction action is realized by using the characteristic change of the resonant frequency.
  • the detection of the suction action can be realized by the obvious jump of the resonant frequency characteristic because the heating experience has obvious temperature change when a suction air flow flows through the aerosol generating matrix, and then the number of suction actions can be measured.
  • the insertion detection of the aerosol generating matrix is realized by utilizing the characteristic change of the resonant frequency.
  • the working current of the resonance module is very small, and when the aerosol generating apparatus is in the standby state, the control module can detect the change of the working frequency of the resonance module by timing wake-up through the "VCC2_EN" signal, thereby realizing the insertion detection of the aerosol generating matrix.
  • the detected resonance frequency is f0;
  • aerosol forming matrix is inserted, and the detected resonance frequency decreases to f1;
  • the detected resonant frequency is gradually raised to f2, wherein f2 is a frequency corresponding to a preset temperature point, and the detected resonant frequency is maintained at this frequency point by controlling heating;
  • the temperature of the heating element drops, the detected resonant frequency drops from f2 to f3, and then the resonant frequency rises to f2 by heating control.
  • the detected resonant frequency decreases from f2 to f4 due to another suction by the user, and then the resonant frequency increases to f2 by heating control.
  • the frequency drop range will be different. For example, because f4 is lower than f3, the suction depth of the second suction is greater than that of the first suction.
  • Fig. 6 is a flowchart of the first embodiment of the control method of an aerosol generating apparatus of the present invention.
  • the control method of the embodiment is applied to a control module. Furthermore, combined with Fig. 1 , the control method comprises:
  • step S20 comprises:
  • the invention also constructs a storage medium including computer instructions that, when run on a processor, cause the processor to execute the control method of an aerosol generating apparatus as described above.
  • the invention also constructs a computer program product that, when run on a computer, causes the computer to execute the control method of an aerosol generating apparatus as described above.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
EP22866289.6A 2021-09-07 2022-08-03 Produit programme informatique, support de stockage, appareil de commande, appareil de génération d'aérosol et procédé de commande associé Pending EP4393334A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111044259.2A CN113907424A (zh) 2021-09-07 2021-09-07 气溶胶生成装置及其控制方法
PCT/CN2022/110052 WO2023035815A1 (fr) 2021-09-07 2022-08-03 Produit programme informatique, support de stockage, appareil de commande, appareil de génération d'aérosol et procédé de commande associé

Publications (2)

Publication Number Publication Date
EP4393334A1 true EP4393334A1 (fr) 2024-07-03
EP4393334A4 EP4393334A4 (fr) 2024-12-25

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EP22866289.6A Pending EP4393334A4 (fr) 2021-09-07 2022-08-03 Produit programme informatique, support de stockage, appareil de commande, appareil de génération d'aérosol et procédé de commande associé

Country Status (4)

Country Link
EP (1) EP4393334A4 (fr)
JP (1) JP2024530320A (fr)
CN (1) CN113907424A (fr)
WO (1) WO2023035815A1 (fr)

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EP4322781A4 (fr) * 2022-06-16 2024-11-13 KT&G Corporation Dispositif de génération d'aérosol et système le comprenant

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WO2023035815A1 (fr) 2023-03-16
EP4393334A4 (fr) 2024-12-25
JP2024530320A (ja) 2024-08-16
CN113907424A (zh) 2022-01-11

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