EP4360485A1 - Aerosolerzeugungsvorrichtung und vaping-erkennungsverfahren dafür sowie computerspeichermedium - Google Patents

Aerosolerzeugungsvorrichtung und vaping-erkennungsverfahren dafür sowie computerspeichermedium Download PDF

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Publication number
EP4360485A1
EP4360485A1 EP22827303.3A EP22827303A EP4360485A1 EP 4360485 A1 EP4360485 A1 EP 4360485A1 EP 22827303 A EP22827303 A EP 22827303A EP 4360485 A1 EP4360485 A1 EP 4360485A1
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EP
European Patent Office
Prior art keywords
inhalation
aerosol forming
forming device
duty ratio
temperature
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
EP22827303.3A
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English (en)
French (fr)
Inventor
Shumin ZHAO
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 EP4360485A1 publication Critical patent/EP4360485A1/de
Pending legal-status Critical Current

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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
    • A24F40/80—Testing
    • 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
    • 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

Definitions

  • the present invention relates to the field of aerosol forming devices, and more particularly to an aerosol forming device and a inhalation detection method thereof, and a computer storage medium.
  • Heat-not-burning (HNB) device is a kind of combination equipment of a heating device for heating an aerosol generation substrate material (which is a product of processed tobacco product).
  • the external heating device applies a high temperature to heat up the aerosol generation material to such a temperature (200-350°C) as to generate aerosol, but not becoming burning.
  • the aerosol generation substrate material releases the scent of flue curing tobacco.
  • an atomization process of an aerosol forming device such as a user's inhalation process for one cigarette
  • the total numbers of inhalation times (times of inhalation) in the complete atomization process are different for different users.
  • the known techniques do not detect and record of each time of inhalation and the total number of inhalation times, and when the volatile compounds contained in the aerosol forming substrate material (such as cigarette) are completely released, the users cannot immediately get aware of it, and this affects the users' experiences of use.
  • the technical problem that the present invention is made to resolve is that the prior art cannot detect each time a inhalation action is taken and cannot record a total number of inhalation times.
  • the technical solution that the present invention adopts to resolve the technical problems is to develop a inhalation detection method of an aerosol forming device, which is characterized by performing the following steps in an atomization process:
  • determining whether a inhalation action is currently occurring according to the duty ratio of the PWM signal comprises:
  • counting a total number of inhalation times comprises:
  • the preset target temperature is related to time, and the preset target temperature increases with time from an initial temperature to a first preset temperature in a first stage, drops from the first preset temperature to a second preset temperature in a second stage, and keeps stably at the second preset temperature in a third stage, wherein the second preset temperature is lower than the first preset temperature.
  • the first stage has a time period that is shorter than 20 seconds; the second stage has a time period that is greater than 20 seconds; and the third stage has a time period of ranges from 200 seconds to 600 seconds.
  • the following is further included: acquiring a current environmental temperature measurement value, and compensation the second preset temperature to processe according to the current environmental temperature measurement value.
  • the present invention also develops an aerosol forming device, which comprises a control module, a heating element, an electronic switch connected between a power source and the heating element, and a detection module that detects a temperature of the heating element, and the control module comprises:
  • the inhalation detection unit comprises:
  • the shutdown control unit comprises:
  • the present invention further develops an aerosol forming device, which comprises a storage device and a processor, wherein the storage device stores at least one program instruction, and the processor loads and executes the at least one program instruction to carry out the above inhalation detection method.
  • the present invention further develops a computer storage medium, wherein the computer storage medium stores a computer program instruction; and the computer program instruction is executable by the processor to carry out the above inhalation detection method of the aerosol forming device.
  • the present invention further develops a control circuit, which is applicable to an aerosol forming device, and is characterized in that the control circuit is arranged to execute the above inhalation detection method of the aerosol forming device.
  • the technical solution of the present invention is implemented such that when a PWM based operation is applied to control a temperature of a heating element of an aerosol forming device, a user's inhalation action can be identified by detecting a duty ratio of a PWM signal and a total number of inhalation times is counted during an atomization process to enable automatic shut-down when the total number of inhalation times reaches a threshold value. As such, power consumption can be reduced, and the user's experience is enhanced.
  • FIG 1 is a flow chart illustrating an embodiment of a inhalation detection method of an aerosol forming device according to the present invention, wherein in an atomization process, the inhalation detection method of the embodiment implements the following steps:
  • Step S20 "determining whether a inhalation action is currently occurring according to the duty ratio of the PWM signal" comprises:
  • D1 represents an original duty ratio of the PWM signal
  • D2 represents the filtered duty ratio of the PWM signal
  • D3 represents a duty ratio obtained through derivation applied on the filtered duty ratio
  • P represents occurrence of the inhalation action
  • S1 represents the total number of inhalation times.
  • Step S30 "counting a total number of inhalation times" comprises:
  • the total number of inhalation times is initialized as "0", and the total number of inhalation times is incremented by "1" each time inhalation is detected during the atomization process.
  • the temperature measurement value of the heating element is determined according to a resistance measurement value of the heating element, on the condition that a field distribution of the temperature of the heating element exists, with an increase of heating time, the basic element heat conductivity of the heating element is increased, and on the condition of the same resistance, there will be a certain dropping process for temperature, and such a process is related to the basic element heat conductivity of the heating element.
  • the condition of volatilization will be different from that of the cold device state.
  • a compensation algorithm is provided internally.
  • the preset target temperature is related to time, and in a first stage, the preset target temperature increases with time from an initial temperature to a first preset temperature; in a second stage, it is drops from the first preset temperature to a second preset temperature; and in a third stage, it is stably kept at the second preset temperature, wherein the second preset temperature is lower than the first preset temperature.
  • the target temperature rises from the initial temperature to the first preset temperature T1; in the second stage (t1-t2), the target temperature drops from the first preset temperature T1 to the second preset temperature T2; and in the third stage (t2-t3), the target temperature is stably kept at the second preset temperature T2.
  • the target temperature of the second stage (to be smaller than the first preset temperature of the first stage)
  • the target temperature curve is an ideal curve, meaning it is a curve of a process of static heating that the heating element applies to an atomizable substrate material, and in an actual inhalation process by a user, each time of inhalation the aerosol, the gas flow will bring away a portion of the heat from the heating element, and in other words, in an actual scenario, at a time point when the user makes inhalation, the temperature value is smaller than the temperature value of the target temperature curve at the corresponding time point, and inhalation at a lowered temperature does not vaporize to form aerosol components corresponding to those atomized at a preset temperature, and the taste is affected.
  • the duty ratio of the PWM signal generated thereby will change abruptly, and the sudden increase of the duty ratio of the PWM signal may, on the one hand, makes the actual temperature of the heating element consistent with the target temperature in order to atomize the aerosol components corresponding to the present temperature to ensure that the mouth feeling of the user is not affect, and on the other hand, reflect that the user is currently making a inhalation action.
  • the first stage has a time period that is shorter than 20 seconds; the second stage has a time period that is greater than 20 seconds; and the third stage has a time period of ranges from 200 seconds to 600 seconds.
  • the inhalation detection method of an aerosol forming device further comprises: acquiring a current environmental temperature measurement value, and compensation the second preset temperature to processe according to the current environmental temperature measurement value.
  • the outside environmental temperature when the outside environmental temperature varies, to keep the experience of the product inhalation stage, it needs to implement compensation processing on the target temperature (the second preset temperature).
  • the target temperature the second preset temperature
  • the wintertime environmental temperature such as the environmental temperature being lower than 15 degrees Celsius
  • the second preset temperature is set higher, in order to maintain the temperature of being vaped into the oral cavity
  • the summertime temperature is relatively high(such as the environmental temperature being higher than 25 degrees Celsius)
  • the second preset temperature is set lower in order to maintain the temperature of being vaped into the oral cavity.
  • FIG 6 is a logic structure diagram of an embodiment of an aerosol forming device according to the present invention.
  • the aerosol forming device according to the embodiment comprises a control module 10, a heating element H1, an electronic switch K1 connected between a power source 30 and the heating element H1, and a detection module 20 that detects a temperature of the heating element H1.
  • the control module 10 comprises a temperature control unit 11, a inhalation detection unit 12, and a shutdown control unit (not shown), and the temperature control unit 11 functions for acquiring a current temperature measurement value of the heating element H1 and determining a current duty ratio of a PWM signal according to the current temperature measurement value and a preset target temperature, and outputting the PWM signal toward the electronic switch K1 in order to adjust a current heating power of the heating element H1;
  • the suction detection unit 12 functions for acquiring a duty ratio of the PWM signal, and determining whether a inhalation action is currently occurring according to the duty ratio of the PWM signal;
  • the shutdown control unit functions for counting a total number of inhalation times, and controlling the aerosol forming device to be power-off state when the total number of inhalation times reaches a threshold value.
  • the inhalation detection unit 12 comprises: a filter subunit, a derivation subunit, and a determination subunit, wherein the filter subunit functions for filtering the duty ratio of the PWM signal; the derivation subunit functions for taking derivation of the filtered duty ratio to acquire a fluctuation rate of the duty ratio; the determination subunit functions for determining that a inhalation action occurs if the fluctuation rate is greater than a first preset value; and determining that the inhalation action does not occur if the fluctuation rate is not greater than the first preset value.
  • the shutdown control unit comprises a statistics compilation subunit and a control subunit, wherein the statistics compilation subunit functions for initializing the total number of inhalation times upon receiving a heating activation signal; and updating the total number of inhalation times when it is determined that a inhalation action occurs during the atomization process; the control subunit functions for controlling the aerosol forming device to be power-off state when the total number of inhalation times reaches the threshold value.
  • the present invention also develops an aerosol forming device, and the aerosol forming device comprises a storage device and a processor.
  • the storage device stores at least one program instruction
  • the processor loads and executes the at least one program instruction to carry out the above-mentioned inhalation detection method.
  • the present invention also develops an aerosol forming device, and the aerosol forming device comprises: a heater, a power source, and a control circuit, wherein the heater comprises at least one heating element that is arranged to heat an aerosol forming substrate material to form aerosol; the power source functions for supplying electrical power to the heating element; the control circuit comprises a storage device and a processor, and the storage device stores a computer program, and the processor executes the computer program to carry out the above-mentioned inhalation detection method of the aerosol forming device.
  • the present invention also develops a computer storage medium, and the computer storage medium stores a computer program instruction.
  • the computer program instruction is executable by a processor to carry out the above-mentioned inhalation detection method of an aerosol forming device.

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  • Medicinal Preparation (AREA)
  • Control Of Resistance Heating (AREA)
EP22827303.3A 2021-06-25 2022-05-26 Aerosolerzeugungsvorrichtung und vaping-erkennungsverfahren dafür sowie computerspeichermedium Pending EP4360485A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110713193.5A CN113519918A (zh) 2021-06-25 2021-06-25 气溶胶形成装置及其抽吸检测方法、计算机存储介质
PCT/CN2022/095108 WO2022267806A1 (zh) 2021-06-25 2022-05-26 气溶胶形成装置及其抽吸检测方法、计算机存储介质

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EP4360485A1 true EP4360485A1 (de) 2024-05-01

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EP (1) EP4360485A1 (de)
JP (1) JP2024524896A (de)
KR (1) KR20240021862A (de)
CN (1) CN113519918A (de)
WO (1) WO2022267806A1 (de)

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CN113519918A (zh) * 2021-06-25 2021-10-22 深圳麦时科技有限公司 气溶胶形成装置及其抽吸检测方法、计算机存储介质
CN114376274B (zh) * 2022-01-14 2024-01-30 深圳麦时科技有限公司 气溶胶产生装置及其控制方法、控制装置和存储介质
CN114468395A (zh) * 2022-03-11 2022-05-13 四川三联新材料有限公司 一种加热不燃烧烟草器具的温度控制方法
CN116998783A (zh) * 2022-04-29 2023-11-07 海南摩尔兄弟科技有限公司 电子雾化装置及其加热控制方法、计算机存储介质
CN114947234A (zh) * 2022-06-06 2022-08-30 海南摩尔兄弟科技有限公司 雾化控制方法及电子雾化器
CN117731066A (zh) * 2022-09-15 2024-03-22 深圳麦时科技有限公司 气溶胶生成设备及其控制方法、控制装置
CN115956718A (zh) * 2022-12-30 2023-04-14 深圳华宝协同创新技术研究院有限公司 一种气溶胶生成***及其发热控制方法

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KR102626212B1 (ko) * 2011-12-30 2024-01-19 필립모리스 프로덕츠 에스.에이. 공기 흐름 검출을 구비하는 에어로졸 발생 장치
BR112014012734B1 (pt) * 2011-12-30 2021-03-02 Philip Morris Products S.A. sistema de geração de aerossol e método para prover dados de fornecimento de aerossol para um usuário final
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
CN108618207A (zh) * 2018-05-31 2018-10-09 绿烟实业（深圳）有限公司 控制气雾生成装置中气雾产生的方法和气雾生成装置
CN108873981B (zh) * 2018-06-25 2020-11-10 深圳市丽福科技有限责任公司 电子烟加热温度的控制方法及装置
CN110897207A (zh) * 2019-10-31 2020-03-24 深圳市云熙智能有限公司 电子烟的口数统计方法、控制装置、设备和存储介质
CN110946338B (zh) * 2019-12-18 2023-02-03 惠州市沛格斯科技有限公司 电子烟具的加热方法、装置、存储介质及电子烟具
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CN113519918A (zh) * 2021-06-25 2021-10-22 深圳麦时科技有限公司 气溶胶形成装置及其抽吸检测方法、计算机存储介质

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KR20240021862A (ko) 2024-02-19
CN113519918A (zh) 2021-10-22
WO2022267806A1 (zh) 2022-12-29
JP2024524896A (ja) 2024-07-09

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