WO2021002698A1 - Générateur d'aérosol portatif et son mode de fonctionnement - Google Patents

Générateur d'aérosol portatif et son mode de fonctionnement Download PDF

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Publication number
WO2021002698A1
WO2021002698A1 PCT/KR2020/008654 KR2020008654W WO2021002698A1 WO 2021002698 A1 WO2021002698 A1 WO 2021002698A1 KR 2020008654 W KR2020008654 W KR 2020008654W WO 2021002698 A1 WO2021002698 A1 WO 2021002698A1
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WO
WIPO (PCT)
Prior art keywords
microcontroller
heater
timer
control circuit
counting
Prior art date
Application number
PCT/KR2020/008654
Other languages
English (en)
Korean (ko)
Inventor
손주호
이희준
정진우
Original Assignee
주식회사 이엠텍
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 주식회사 이엠텍 filed Critical 주식회사 이엠텍
Priority to EP20834571.0A priority Critical patent/EP3995166A4/fr
Priority to JP2022500083A priority patent/JP7274661B2/ja
Priority claimed from KR1020200081281A external-priority patent/KR102477075B1/ko
Publication of WO2021002698A1 publication Critical patent/WO2021002698A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices

Definitions

  • the present invention relates to a portable aerosol-generating device that vaporizes an inhaled substance to generate an aerosol.
  • Aerosols are small particles of liquid or solid that are suspended in the atmosphere and usually have a size of 0.001 to 1.0 ⁇ m.
  • aerosols derived from various types of liquids for various purposes.
  • nebulizers are known for treating diseases.
  • the portable aerosol generator 10 includes a heater 14 that generates heat by resistance when an electric current is applied, a power storage device 16 capable of instantaneously supplying high power to the heater 14, and the heater. It includes a microcontroller 15 for controlling 14.
  • the heater 14 generates an aerosol by heating a vaporizing material containing a material (gasification material) that vaporizes when heated above a certain temperature accommodated in the cavity 13.
  • the heater 14 is heated and the aerosol-forming substrate 11 Vaporizing the inhaled material inside allows the user to inhale the inhaled material vaporized through the filter part of the aerosol-forming substrate 11.
  • a timer or a counter is built into the microcontroller 15, so the heater 14 in the microcontroller 15 counts a timer or counter according to a preset heating time. It controls the heating operation time of the heater and controls the heating operation of the heater 14 while transmitting a control signal from the microcontroller 15.
  • Korean Patent Publication No. 10-1824765 discloses an aerosol-generating device having a reusable heating element.
  • a configuration and method for preventing overheating of an aerosol-generating device by detecting an error in the heating time in the heating operation or by detecting a malfunction of the microcontroller are not disclosed.
  • Patent Literature Korean Registered Patent Publication 10-1824765
  • An object of the present invention is to prevent overheating and/or malfunction of the device by preventing an error from occurring during a heating operation as a portable aerosol generating device and a method of operating the same devised to solve the above problems.
  • an object of the present invention is to detect a malfunction of a microcontroller during the heating operation and control the heating operation to prevent overheating and/or malfunction of the device.
  • the present invention is installed separately from the microcontroller and connected to both the microcontroller and the heater control circuit, receiving a control signal from the microcontroller to the heater control circuit, counting, and controlling the operation of the heater control circuit according to the counting result. It includes; error control means.
  • the microcontroller and the error control means each include a timer, and the error control means receives a control signal based on the timer of the microcontroller and compares the control signal with the timer based on the error control means to independently of the microcontroller. A control signal based on is given to the heater control circuit.
  • the error control means is a D/A converter that receives a control signal from the microcontroller to the heater control circuit and converts it into an analog signal, and transmits an output signal by comparing the signal output from the D/A converter with a reference value.
  • a comparator and a timer for counting an output signal transmitted from the comparator are provided.
  • the error control means includes a frequency counter for counting a frequency by receiving a control signal from the microcontroller to the heater control circuit, and a timer for counting the count time of the frequency counter.
  • a portable aerosol generator capable of preventing overheating of a heater by controlling the heating operation time double by an error control means installed separately from the microcontroller.
  • a malfunction detection device of a portable aerosol generator capable of preventing overheating of a heater and/or malfunction of a device is provided by having an error control means capable of controlling a heater control circuit by determining a PWM signal of a microcontroller. can do.
  • FIG. 1 is a cross-sectional view schematically showing a portable aerosol generator according to an embodiment of the prior art.
  • FIG. 2 is a block diagram illustrating a portable aerosol generating device according to an embodiment of the present invention.
  • FIG. 3 is a block diagram illustrating a portable aerosol generating device according to another embodiment of the present invention.
  • FIG. 4 is a block diagram illustrating a portable aerosol generator according to another embodiment of the present invention.
  • FIG. 5 is an example of a flow chart for explaining a method of operating a portable aerosol generating device according to the present invention.
  • FIG. 6 is another example of a flow chart for explaining a method of operating a portable aerosol generating device according to the present invention.
  • a portable aerosol generator includes a heater that generates heat according to application of current, a battery that can instantly supply high power to the heater, and a heater control circuit that controls power supplied to the heater from the battery,
  • the microcontroller that controls the operation of the heater control circuit during the heating time is installed separately from the microcontroller and is connected to both the microcontroller and the heater control circuit, receiving the control signal from the microcontroller to the heater control circuit and counting at the same time.
  • error control means for controlling the operation of the heater control circuit according to the result.
  • the microcontroller and the error control means each include a timer, and the error control means receives a control signal based on the timer of the microcontroller and compares the control signal with the timer based on the error control means to independently of the microcontroller. A control signal based on is given to the heater control circuit.
  • the error control means is a D/A converter that receives a control signal from the microcontroller to the heater control circuit and converts it into an analog signal, and transmits an output signal by comparing the signal output from the D/A converter with a reference value.
  • a comparator and a timer for counting an output signal transmitted from the comparator are provided.
  • the error control means includes a frequency counter for counting a frequency by receiving a control signal from the microcontroller to the heater control circuit, and a timer for counting the count time of the frequency counter.
  • control signal based on the timer of the microcontroller is a PWM signal going from the microcontroller to the heater control circuit.
  • the heater control circuit is connected to the FET between the battery and the heater and the microcontroller, and between the microcontroller and the FET, and with the error control means, and is turned on/off by the control of the error control means. It includes a switching unit.
  • a power supply unit that is turned on/off (ON/OFF) under control of the error control means.
  • a method of operating a portable aerosol generator includes a heating start step, a heating operation step, counting a control signal based on a timer of a microcontroller, determining a counting result, and counting. And controlling heating according to the result.
  • the step of counting the control signal based on the timer of the microcontroller in parallel with the step of counting the control signal based on the timer of the microcontroller, the step of counting the control signal based on the timer of the error control means is further included.
  • the control signal based on the timer of the microcontroller is a PWM signal and counts the frequency of the PWM signal.
  • step of determining the counting result it is determined whether the heating time is completed.
  • the control signal based on the timer of the microcontroller is a PWM signal, counting the duration of the duty of the PWM signal, and determining the counting result. The time preset in the step and the duration of the duty are compared.
  • the switching unit of the heater control circuit is turned on/off (ON/OFF) according to the counting result.
  • the power supply unit is turned on/off (ON/OFF) according to the counting result.
  • a portable aerosol generator 20 includes a heater 24 that generates heat according to application of current, and a battery 22 that can instantly supply high power to the heater 24.
  • a heater control circuit 23 for controlling power supplied from the battery 22 to the heater 24, a microcontroller 21 for controlling the operation of the heater control circuit 23 during the heating time, and a microcontroller ( 21) and connected to both the microcontroller 21 and the heater control circuit 23, receives a control signal from the microcontroller 21 to the heater control circuit 23 and counts the counting results. Accordingly, it includes an error control means 25 for controlling the operation of the heater control circuit 23.
  • the microcontroller 21 transmits a control signal to the heater control circuit 23, and power supplied from the battery 22 is regulated by the heater control circuit 23 and supplied to the heater 24.
  • the microcontroller 21 and the error control means 25 each include timers 21-1 and 25-1, and the error control means 25 is a timer 21-1 of the microcontroller 21. ) Is received and compared with the control signal based on the timer 25-1 of the error control means 25.
  • the control signal based on the timer 21-1 of the microcontroller 21 is a PWM signal
  • the error control means 25 counts the frequency of the PWM signal input from the microcontroller 21, and the error The heating time is counted while counting the frequency of the control signal based on the timer 25-1 of the control means 25. If the frequency of the PWM signal input from the microcontroller 21 is not counted during a preset heating time, the error control means 25 sends a control signal to the heater control circuit 23 for a preset heating time to perform heating operation. Control to do.
  • the error control means 25 transmits a control signal to the heater control circuit 23 to stop the heating operation. .
  • the duty of the PWM signal is changed to maintain the changing temperature.
  • the error control means 25 is the duration of the duty of the PWM signal input from the microcontroller 21. Compared with a preset time, if the duration of the duty is abnormal, the error control means 25 transmits a control signal to the heater control circuit 23 to stop the heating operation.
  • the heater control circuit 23 includes an FET 23-1 connected between the battery 22 and the heater 24 and the microcontroller 21, and the microcontroller 21 and the FET 23-1.
  • error control The means 25 controls the heating operation by sending a control signal to the FET 23-1 through the switching unit 23-2 of the heater control circuit 23 during a preset heating time.
  • the error control means 25 sends a control signal to the switching unit 23-2 of the heater control circuit 23 to turn off the switching unit 23-2 for heating. Stop the motion.
  • a power supply unit 26 that turns on/off power under the control of the error control unit 25 is provided, and the error control unit 25 controls the power supply unit 26 to perform a heating operation. You can also stop it.
  • a counter may be applied to each of the timers 21-1 and 25-1.
  • a portable aerosol generator 20 includes a heater 24 that generates heat according to application of current, and a battery 22 that can instantly supply high power to the heater 24. ), a heater control circuit 23 for controlling power supplied from the battery 22 to the heater 24, a microcontroller 21 for controlling the operation of the heater control circuit 23 during the heating time, and a microcontroller It is installed separately from (21) and is connected to both the microcontroller (21) and the heater control circuit (23), receiving a control signal from the microcontroller (21) to the heater control circuit (23) and counting the counting result.
  • the heater control circuit 23 includes an FET 23-1 connected between the battery 22 and the heater 24 and the microcontroller 21, and the microcontroller 21 and the FET 23-1. ) And connected to the error control means 25 and turned on/off by the control of the error control means 25, and a switching unit 23-2.
  • the microcontroller 21 transmits a control signal to the heater control circuit 23, and power supplied from the battery 22 is regulated by the heater control circuit 23 and supplied to the heater 24.
  • the D/A converter 25-2 provided in the error control means 25 receives a control signal based on the timer 21-1 of the microcontroller 21, converts it into an analog signal, and converts the D/A converter 25-2. ) Is input to the comparator 25-3, the comparator 25-3 compares it with the reference value, and the output signal is transmitted to the timer 25-1.
  • the control signal based on the timer 21-1 of the microcontroller 21 is a PWM signal
  • the D/A converter 25-2 provided in the error control means 25 is a microcontroller 21 ) Converts the input PWM signal into an analog signal and inputs it to the comparator (25-3), and when a signal with a value higher than the reference value is input from the comparator (25-3), it outputs a high signal and a value lower than the reference value.
  • a low signal is output and input to the timer 25-1.
  • the error control means 25 checks whether a preset heating time has been completed.
  • the error control means 25 transmits a control signal to the FET 23-1 through the switching unit 23-2 of the heater control circuit 23 for a preset heating time to control the heating operation. do.
  • the error control means 25 transmits a control signal to the switching unit 23-2 of the heater control circuit 23.
  • the sending switch 23-2 is turned off to stop the heating operation.
  • a power supply unit 26 that turns on/off power under the control of the error control unit 25 is provided, and the error control unit 25 controls the power supply unit 26 to perform a heating operation. You can also stop it.
  • the duty of the PWM signal is changed to maintain the changing temperature.
  • the error control means 25 has a duration of the high signal counted by the timer 25-1. Compared with the preset time, if it is abnormal, it is determined that the duration of the duty of the PWM signal is abnormal, and the error control means 25 is a control signal to the switching unit 23-2 of the heater control circuit 23. Is sent to turn off the switching unit 23-2 to stop the heating operation.
  • a counter may be applied to each of the timers 21-1 and 25-1.
  • a power supply unit 26 that turns on/off power under the control of the error control unit 25 is provided, and the error control unit 25 controls the power supply unit 26 to perform a heating operation. You can also stop it.
  • a portable aerosol generator 20 includes a heater 24 that generates heat according to an application of current, and a battery 22 capable of instantaneously supplying high power to the heater 24. ), a heater control circuit 23 for controlling power supplied from the battery 22 to the heater 24, a microcontroller 21 for controlling the operation of the heater control circuit 23 during the heating time, and a microcontroller It is installed separately from (21) and is connected to both the microcontroller (21) and the heater control circuit (23), receiving a control signal from the microcontroller (21) to the heater control circuit (23) and counting the counting result.
  • the heater control circuit 23 includes an FET 23-1 connected between the battery 22 and the heater 24 and the microcontroller 21, and the microcontroller 21 and the FET 23-1. ) And connected to the error control means 25 and turned on/off by the control of the error control means 25, and a switching unit 23-2.
  • the microcontroller 21 transmits a control signal to the heater control circuit 23, and power supplied from the battery 22 is regulated by the heater control circuit 23 and supplied to the heater 24.
  • the frequency counter 25-4 provided in the error control means 25 counts the frequency by receiving a control signal based on the timer 21-1 of the microcontroller 21, and the timer 25-1 is a frequency counter ( Count the time 25-4) counts.
  • the control signal based on the timer 21-1 of the microcontroller 21 is a PWM signal
  • the frequency counter 25-4 provided in the error control means 25 is from the microcontroller 21
  • the frequency of the input PWM signal is counted
  • the timer 25-1 counts the time for the frequency counter 25-4 to count the frequency of the PWM signal.
  • the frequency counter 25-4 counts the time for counting the frequency of the PWM signal
  • the error control means 25 compares the preset time with the time to count the frequency of the PWM signal.
  • a control signal is sent to the switching unit 23-2 of the heater control circuit 23 to turn off the switching unit 23-2 to stop the heating operation.
  • a power supply unit 26 that turns on/off power under the control of the error control unit 25 is provided, and the error control unit 25 controls the power supply unit 26 to perform a heating operation. You can also stop it.
  • the error control means 25 checks whether the preset heating time has been completed. If the frequency counter 25-4 does not count the PWM signal during the preset heating time, the error control means 25 is a preset heating time. For a period of time, a control signal is sent to the FET 23-1 through the switching unit 23-2 of the heater control circuit 23 to control the heating operation.
  • the error control means 25 transmits the control signal to the switching unit 23-2 of the heater control circuit 23.
  • the sending switch 23-2 is turned off to stop the heating operation.
  • a power supply unit 26 that turns on/off power under the control of the error control unit 25 is provided, and the error control unit 25 controls the power supply unit 26 to perform a heating operation. You can also stop it.
  • the method of operating the portable aerosol generator according to the present invention includes a heating start step, a heating operation step, a step of counting a control signal based on a timer of a microcontroller, a step of determining a counting result, and a counting. And controlling heating according to the result.
  • the microcontroller 21 transmits a control signal based on the timer 21-1, for example, a PWM signal to the heater control circuit 23 to perform a heating operation.
  • the error control means 25 receives a control signal based on the timer 21-1 from the microcontroller 21, for example, a PWM signal, counts the frequency, and determines the counting result in (D). Listen and judge whether the heating time is complete. If the heating time is complete, the error control means 25 in (E) controls the heater control circuit to stop the heating operation. For example, the switching unit 23-2 of the heater control circuit 23 is turned off ( OFF) to stop the heating operation or turn off the power supply to stop the heating operation. If the heating time has not been completed and the PWM signal is not counted, the error control means 25 controls the heater control circuit to proceed with the heating operation.For example, the error control means 25 controls the heater during a preset heating time. A control signal is sent to the FET 23-1 through the switching unit 23-2 of the circuit 23 to perform a heating operation.
  • a control signal is sent to the FET 23-1 through the switching unit 23-2 of the circuit 23 to perform a heating operation.
  • the error control means 25 determines a control signal based on the timer 21-1 from the microcontroller 21, for example, the duty of a PWM signal when determining the counting result. If it is determined that the duration of the duty is abnormal by determining the duration of time and comparing it with a preset time, the error control means 25 in (E) is, for example, the switching unit 23- of the heater control circuit 23. 2) Turn off the heating operation to stop or turn off the power supply to stop the heating operation.
  • FIG. 6 is another example of a flow chart for explaining a method of operating a portable aerosol generating device according to the present invention.
  • the method of operating a portable aerosol generator according to the present invention further includes counting a control signal based on a timer of the error control means in parallel with counting a control signal based on a timer of the microcontroller.
  • the microcontroller 21 in (B) sends a control signal based on the timer 21-1, for example, a PWM signal to the heater control circuit 23 to heat Perform the action.
  • the error control means 25 receives a control signal based on the timer 21-1, for example, a PWM signal from the microcontroller 21, counts the frequency, and in parallel thereto, the error control means ( The frequency of the control signal based on the timer 25-1 of 25) is counted.
  • the error control means 25 counts the result of counting the PWM signal received from the microcontroller 21 and the frequency of the control signal based on the timer 25-1 of the error control means 25 in (D). The results are compared and judged, for example, whether the heating time is complete.
  • the PWM signal received from the microcontroller 21 during a preset heating time is counted, or the frequency of the control signal based on the timer 25-1 of the error control means 25 is counted in (D) so that the heating time is reduced.
  • the heating operation is stopped by controlling the heater control circuit.
  • the error control means 25 turns off the switching unit 23-2 of the heater control circuit 23 to stop the heating operation.
  • the heating operation is stopped by stopping or turning off the power supply.
  • the error control means 25 controls the heater control circuit 23 to proceed with the heating operation.
  • the error control means 25 Is controlled to perform a heating operation by sending a control signal to the FET 23-1 through the switching unit 23-2 of the heater control circuit 23 during a preset heating time.
  • a portable aerosol generator capable of preventing overheating of a heater by controlling the heating operation time by providing an error control means separate from the microcontroller.
  • a portable aerosol generator capable of preventing overheating of a heater and/or failure of a device by providing an error control means capable of detecting malfunction by determining the PWM signal of the microcontroller separately from the microcontroller.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

La présente invention concerne un générateur d'aérosol portatif pour générer un aérosol au moyen de la vaporisation d'une substance inhalée et, en particulier, une technologie capable de détecter un dysfonctionnement dans une opération de chauffage du générateur d'aérosol portatif, et de commander l'opération de chauffage de façon à empêcher une surchauffe et/ou un mauvais fonctionnement du générateur. Selon un mode de réalisation de la présente invention, le générateur d'aérosol portatif comprend : un élément chauffant destiné à chauffer suivant une application de courant ; une batterie capable de fournir instantanément une puissance élevée à l'élément chauffant ; un circuit de régulation d'élément chauffant pour ajuster la puissance fournie à l'élément chauffant provenant de la batterie ; un microcontrôleur pour commander une opération du circuit de régulation d'élément chauffant pendant une période de chauffage ; et un moyen de traitement d'erreur installé séparément du microcontrôleur et connecté à la fois au microcontrôleur et au circuit de régulation d'élément chauffant de façon à recevoir et à calculer un signal de commande se déplaçant du microcontrôleur au circuit de régulation d'élément chauffant, tout en commandant simultanément le fonctionnement du circuit de commande de chauffage en fonction d'un résultat de calcul.
PCT/KR2020/008654 2019-07-02 2020-07-02 Générateur d'aérosol portatif et son mode de fonctionnement WO2021002698A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20834571.0A EP3995166A4 (fr) 2019-07-02 2020-07-02 Générateur d'aérosol portatif et son mode de fonctionnement
JP2022500083A JP7274661B2 (ja) 2019-07-02 2020-07-02 携帯用エアロゾル発生装置及びその運用方法

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20190079354 2019-07-02
KR10-2019-0079354 2019-07-02
KR10-2019-0085162 2019-07-15
KR20190085162 2019-07-15
KR1020200081281A KR102477075B1 (ko) 2019-07-02 2020-07-02 휴대용 에어로졸 발생장치 및 그 운용방법
KR10-2020-0081281 2020-07-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024037169A1 (fr) * 2022-08-17 2024-02-22 常州市派腾电子技术服务有限公司 Procédé et dispositif de commande de dispositif de génération d'aérosol
RU2818519C1 (ru) * 2023-08-03 2024-05-02 ЕМ-ТЕК Ко., Лтд. Устройство для предотвращения срабатывания схемы защиты аккумулятора аэрозольного генератора

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