WO2021073228A1 - 可控制剂量的电子烟及其控制方法 - Google Patents

可控制剂量的电子烟及其控制方法 Download PDF

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Publication number
WO2021073228A1
WO2021073228A1 PCT/CN2020/108593 CN2020108593W WO2021073228A1 WO 2021073228 A1 WO2021073228 A1 WO 2021073228A1 CN 2020108593 W CN2020108593 W CN 2020108593W WO 2021073228 A1 WO2021073228 A1 WO 2021073228A1
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WIPO (PCT)
Prior art keywords
unit
power
dose
electronic cigarette
preset
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PCT/CN2020/108593
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English (en)
French (fr)
Inventor
林光榕
郑贤彬
张夕勇
Original Assignee
深圳市康泓威科技有限公司
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Application filed by 深圳市康泓威科技有限公司 filed Critical 深圳市康泓威科技有限公司
Priority to EP20875886.2A priority Critical patent/EP4029393A4/en
Publication of WO2021073228A1 publication Critical patent/WO2021073228A1/zh
Priority to US17/722,385 priority patent/US20220232898A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • A24F40/51Arrangement of sensors
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • A24F40/57Temperature control
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/60Devices with integrated user interfaces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00Details of electric heating devices
    • H05B1/02Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227Applications
    • H05B1/023Industrial applications
    • H05B1/0244Heating of fluids
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10Devices using liquid inhalable precursors

Definitions

  • the present invention relates to the technical field of electronic cigarette preheating. More specifically, the present invention relates to an electronic cigarette with a controllable dose and a control method thereof.
  • E-cigarettes or atomizing devices usually heat and atomize liquid substances or paste-like substances, such as medicines and e-cigarette liquids, to emit aerosols or e-cigarette smoke for users to inhale. Because the smoke emitted by e-cigarettes is not like tobacco. The open flame is directly burned out, avoiding the production of cigarette tar and many harmful particles, so the application of electronic cigarettes is popularized.
  • Existing e-cigarettes or atomizing devices after the user starts to use, usually allow the user to turn on and use it without restriction, until the atomized liquid such as medicine or e-liquid is consumed and ingested, and cannot be counted, prompted, controlled or restricted.
  • the ingested dose of aerosol or smoke after the smoke liquid is atomized causes the user to ingest too much smoke liquid dose due to excessive use in a short period of time during use, which will inevitably cause adverse effects on the body.
  • the dosage of the liquid medicine must be taken according to the doctor's instructions. If it is not restricted, it may cause side effects of the treatment.
  • the purpose of the present invention is to provide an electronic cigarette with a controllable dose and a control method thereof in order to overcome the shortcomings of the above-mentioned technology.
  • an electronic cigarette with a controllable dose comprising a casing, a liquid storage cavity, an atomization device, a battery, an airflow sensor and a control circuit
  • the liquid storage cavity is used for storing e-liquid
  • the battery is used to provide power to the atomization device and the control circuit
  • the airflow sensor is used to detect the inhalation airflow
  • the atomization device is used to conduct the smoke liquid and heat the smoke liquid to atomize it into vaporous smoke.
  • the chemical device includes a heating unit
  • the control circuit includes a microcontroller, a power control unit, a timing unit, an energy statistics and conversion unit, and an indication unit that are electrically connected to each other.
  • the microcontroller is provided with preset parameters.
  • the preset parameters include a preset dose threshold.
  • the power control unit is used to detect and control the power of the heating unit.
  • the timing unit is connected to an airflow sensor and accumulates the working time for it.
  • the airflow sensor detects inhalation When the air flow occurs, the power switch in the power control unit is turned on to supply power to the heating unit, and the energy statistics and conversion unit is used to calculate the power consumption according to the power detected by the power control unit and the accumulated working time of the timing unit, and then The power consumption is converted into a consumption dose of e-liquid, the indicating unit includes a buzzer or an LED indicator or a vibrator, and the control circuit is configured to: when the electronic cigarette is inhaled, the airflow sensor detects the inhalation airflow
  • the power control unit turns on the power switch to supply power to the heating unit, and at the same time the timing unit starts timing, the power control unit detects the power of the heating unit, and the energy statistics and conversion unit calculate
  • the microcontroller controls the power control unit to turn off the power switch to stop outputting power to the heating unit while the indicating unit emits a sound, light or vibration prompt.
  • the preset dose threshold set in the microcontroller includes a preset single-mouth dose threshold, that is, a preset dose threshold for each puff of smoke.
  • the preset dose threshold set in the microcontroller includes a preset total dose threshold, that is, a preset total dose threshold of smoke smoked in a unit time.
  • the preset total dose threshold is a total dose threshold within 10 minutes or a total dose threshold within 24 hours.
  • control circuit further includes a resistance value detection unit configured to detect the resistance value change of the heating unit and transmit the resistance value change value to the microcontroller, the microcontroller According to the resistance change value, the power control unit is controlled to perform constant power output control or constant voltage output control.
  • a resistance value detection unit configured to detect the resistance value change of the heating unit and transmit the resistance value change value to the microcontroller, the microcontroller According to the resistance change value, the power control unit is controlled to perform constant power output control or constant voltage output control.
  • control circuit further includes a display unit for displaying the preset parameters and other real-time parameters.
  • the airflow sensor is provided with three pins, wherein pin 1 is grounded, pin 2 is connected to the MIC signal terminal, the MIC signal terminal is used to connect the microcontroller and the timing unit, and pin 3 is connected to the power supply BAT+ signal terminal , And connect the capacitor C10 in series at the same time to ground.
  • a control method of a controllable dose electronic cigarette which is applied to the controllable dose electronic cigarette of the previous technical solution, includes the following steps:
  • the airflow sensor detects whether there is smoking airflow, if it is, go to the next step, if not, go back to the previous step;
  • the microcontroller controls the power control unit to supply power to the heating unit
  • the timing unit performs timing according to the action of the airflow sensor
  • the power control unit detects the power size
  • the energy statistics and conversion unit counts the power consumption according to the power size and the timing unit's timing, and converts it into the smoke liquid consumption dose;
  • the microcontroller judges whether the consumed dose of the e-liquid reaches the preset dose threshold, if it is, then it goes to the next step, if not, it returns to the step (3);
  • the indicator unit emits a sound, light or vibration prompt, and then returns to step (3).
  • a control method of a controllable dose electronic cigarette which is applied to the controllable dose electronic cigarette of the previous technical solution, includes the following steps:
  • the airflow sensor detects whether there is smoking airflow, if it is, go to the next step, if not, go back to the previous step;
  • the microcontroller controls the power control unit to supply power to the heating unit
  • the timing unit performs timing according to the action of the airflow sensor
  • the power control unit detects the power size
  • the energy statistics and conversion unit counts the power consumption according to the power size and the timing unit's timing, and converts it into the smoke liquid consumption dose;
  • the microcontroller judges whether the consumed dose of the e-liquid reaches the preset dose threshold, if it is, then it goes to the next step, if not, it returns to the step (3);
  • the indicating unit emits sound or light or vibration prompt
  • the microcontroller controls the power control unit to stop outputting power to the heating unit
  • the electronic cigarette with a controllable dose and its control method of the present invention can calculate the amount of aerosol or smoke after the atomization of the cigarette liquid by calculating the electric energy consumption of the heating unit, and then calculate the consumption dose of the cigarette liquid, and prompt or limit the user's single mouth or Inhale too much aerosol or smoke per unit time to avoid adverse effects.
  • Figure 1 is a schematic diagram of the structure of an electronic cigarette with a controllable dose of the present invention
  • Fig. 2 is a functional structure diagram of a control circuit of an electronic cigarette with a controllable dose according to the present invention
  • Fig. 3 is a circuit diagram of an airflow sensor of an electronic cigarette with a controllable dose according to the present invention
  • Fig. 5 is the second flow chart of the control method of the electronic cigarette with a controllable dose according to the present invention.
  • an electronic cigarette with a controllable dose of the present invention is provided with components including a housing 1, a liquid storage cavity 2, an atomization device 3, a battery 4, an airflow sensor 5 and a control circuit 6, and a liquid storage cavity 2. It is used to store smoke liquid, the battery 4 is used to provide power to the atomization device 3 and the control circuit 6, the atomization device 3 is used to conduct the smoke liquid in the liquid storage cavity and heat and atomize into vaporous smoke, and the atomization device 3 includes heating Unit 31, smoke channel 32, and airflow sensor 5 are used to detect the inspiratory airflow or the difference in inspiratory air pressure, and when it senses the inspiratory airflow or the difference in inspiratory air pressure, through the control of the microcontroller MCU, the power switch in the power control unit Turn on the power supply to the heating unit 31.
  • the airflow sensor 5 may be a microphone, a digital airflow sensor, or a digital air pressure sensor.
  • the control circuit 6 in FIG. 1 includes a microcontroller MCU, a power control unit, a timing unit, an energy statistics and conversion unit, a display unit, and an indication unit that are electrically connected to each other.
  • the microcontroller MCU is a control circuit.
  • the microcontroller MCU is pre-stored with preset parameters, the preset parameters include the preset dose threshold, the power control unit is used to detect and control the power of the heating unit, and the power control unit includes the power control unit for turning on and off The power is supplied to the power switch of the heating unit.
  • the timing unit is connected to the airflow sensor and accumulates working time for it. That is, the airflow sensor is continuously working during each continuous inhalation when the user smokes, and the timing unit can calculate the continuous work of each mouth for the airflow sensor It can also count the accumulated working time of the airflow sensor in a unit time.
  • the power consumption of the heating unit W P ⁇ T, P is power, and T is time.
  • P is power
  • T time.
  • the heat energy can generate a certain amount of smoke through heating, and a certain amount of smoke will consume a certain amount of e-liquid. Therefore, there is a certain amount of power consumption and e-liquid consumption.
  • Different smoke liquid composition, concentration, viscosity, etc. make it need different energy when it is atomized into vaporous smoke, so the corresponding relationship will be different.
  • the energy statistics and conversion unit calculates the power consumption according to the power detected by the power control unit and the accumulated working time of the timing unit, and then according to the corresponding relationship between the power consumption obtained by the experimental modeling and the smoke liquid consumption dose of the atomization device, the power will be consumed Converted to smoke liquid consumption dose.
  • the indicating unit includes a buzzer or LED indicator or vibrator.
  • the functional configuration of the control circuit is: when the electronic cigarette is inhaled, the airflow sensor will turn on the power switch to supply power to the heating unit after sensing the inhalation airflow or pressure difference, and the timing unit will start timing, and the power control unit Detect the power of the heating unit, the energy statistics and conversion unit calculates the energy consumption and converts it into the amount of smoke or the consumption dose of smoke liquid. When the amount of smoke or the consumption dose of smoke liquid reaches the preset dose threshold, the indicating unit emits a sound, light or vibration prompt , Which prompts the user to have reached the preset dose threshold and should stop smoking.
  • the microcontroller controls the power control unit to stop outputting power to the heating unit while the indicator unit emits a sound, light or vibration prompt, so that the user can directly control the user to stop smoking when the preset dose threshold is reached.
  • the preset dose threshold set in the microcontroller includes the preset single-portion dose threshold, that is, the preset dose threshold for each puff of smoke.
  • the energy statistics and conversion unit calculates the energy consumption in real time and converts it into a real-time smoke liquid consumption dose.
  • the microcontroller compares the real-time smoke liquid consumption dose with the preset single-port dose threshold. Or exceeding the preset single-portion dose threshold, the indicating unit emits a sound, light or vibration prompt.
  • the preset dose threshold set in the microcontroller also includes the preset total dose threshold, that is, the preset dose threshold of the smoke smoked in a unit time.
  • the energy statistics and conversion unit accumulates the energy consumption per unit time and converts it into the consumption dose of e-liquid per unit time.
  • the microcontroller converts the real-time e-liquid consumption dose to the preset total dose.
  • the threshold value is compared, and if the preset total dose threshold value is reached or exceeded, the indicating unit emits a sound, light or vibration prompt.
  • the total dose threshold in this embodiment includes the total dose threshold within 10 minutes and the total dose threshold within 24 hours. The total dose of cigarette liquid consumed within 10 minutes and the total amount of cigarette liquid consumed within 24 hours are respectively calculated. Prompt and control the dose.
  • the control circuit further includes a resistance value detection unit, which is used to detect the change of the resistance value R of the heating unit and transmit the resistance value change to the microcontroller, which controls according to the resistance change value
  • the power control unit performs constant power output control or constant voltage output control.
  • control circuit of the embodiment of the present invention further includes a display unit, and the display unit is used to display preset parameters and other real-time parameters.
  • the airflow sensor of the embodiment of the present invention has three pins, of which pin 1 is grounded, pin 2 is connected to the MIC signal terminal, and the MIC signal terminal is used to connect the microcontroller and the timing unit, and pin 3 It is connected to the signal terminal of the power supply BAT+, and the capacitor C10 is connected in series and then grounded.
  • a method for controlling a dose-controllable electronic cigarette of the present invention which is applied to the electronic cigarette with a dose-controllable dose as shown in FIG. 1, includes the following steps:
  • the airflow sensor detects whether there is smoking airflow, if it is, go to the next step, if not, go back to the previous step;
  • the microcontroller controls the power control unit to supply power to the heating unit
  • the timing unit performs timing according to the action of the airflow sensor
  • the power control unit detects the power size
  • the energy statistics and conversion unit counts the power consumption according to the power size and the timing unit's timing, and converts it into the smoke liquid consumption dose;
  • the microcontroller judges whether the consumed dose of the e-liquid reaches the preset dose threshold, if it is, then it goes to the next step, if not, it returns to the step (3);
  • the indicator unit emits a sound, light or vibration prompt, and then returns to step (3).
  • a method for controlling a dose-controllable electronic cigarette of the present invention which is applied to a dose-controllable electronic cigarette, includes the following steps:
  • the airflow sensor detects whether there is smoking airflow, if it is, go to the next step, if not, go back to the previous step;
  • the microcontroller controls the power control unit to supply power to the heating unit
  • the timing unit performs timing according to the action of the airflow sensor
  • the power control unit detects the power size
  • the energy statistics and conversion unit counts the power consumption according to the power size and the timing unit's timing, and converts it into the smoke liquid consumption dose;
  • the microcontroller judges whether the consumed dose of the e-liquid reaches the preset dose threshold, if it is, then it goes to the next step, if not, it returns to the step (3);
  • the indicating unit emits sound or light or vibration prompt
  • the microcontroller controls the power control unit to stop outputting power to the heating unit

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  • General Physics & Mathematics (AREA)
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  • Human Computer Interaction (AREA)
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Abstract

一种可控制剂量的电子烟及其控制方法,该电子烟包括壳体(1)、储液腔(2)、雾化装置(3)、电池(4)、气流传感器(5)和控制电路(6),控制电路(6)包括微控制器、功率控制单元、计时单元和能量统计及转换单元和指示单元,微控制器内设有预设参数包括预设剂量阈值,电子烟被抽吸时,气流传感器(5)感应到吸气气流,功率控制单元即打开电源开关给发热单元(31)供电,同时计时单元开始计时,功率控制单元检测发热单元(31)的功率,能量统计及转换单元计算消耗电能并转换为烟液消耗剂量,当烟液消耗剂量达到预设剂量阈值时,指示单元发出声音或灯光或振动的提示。其有益效果是,通过量化和控制用户抽吸烟雾的剂量,来提示及限制用户单口或在单位时间内过多吸食烟雾。

Description

可控制剂量的电子烟及其控制方法 技术领域
本发明涉及电子烟预热技术领域,更具体的说,本发明涉及一种可控制剂量的电子烟及其控制方法。
背景技术
电子烟或雾化装置,通常是将液体物质或膏状物质如药物、烟液等经过加热雾化而发出气溶胶或电子烟烟雾供用户吸食使用,由于电子烟发出的烟雾不像烟草那样由明火直接燃烧发出,避免了烟焦油和很多有害颗粒的产生,故电子烟的应用受到普及。
现有的电子烟或雾化装置,在用户开始使用后,通常任由用户不受限制地开机使用,一直到药物或烟液等雾化原液消耗吸食完,而无法统计、提示、控制或限制烟液雾化后气溶胶或烟雾的摄入剂量,导致用户在使用中因短时间内过度使用而摄入过多过量的烟液剂量,难免对身体造成不良影响。特别是在吸食雾化药液时,对药液的剂量必须按照医生的医嘱进行定量服食,如不加以限制,则可能造成治疗的副作用。
技术问题
本发明的目的在于为克服上述技术的不足而提供一种可控制剂量的电子烟及其控制方法。
技术解决方案
本发明的技术方案是这样实现的:一种可控制剂量的电子烟,包括壳体、储液腔、雾化装置、电池、气流传感器和控制电路,所述储液腔用于储存烟液,所述电池用于给雾化装置和控制电路提供电源,所述气流传感器用于检测吸气气流,所述雾化装置用于传导烟液并将烟液加热雾化成汽态烟雾,所述雾化装置包括发热单元,所述控制电路包括相互电性连接的微控制器、功率控制单元、计时单元和能量统计及转换单元和指示单元,所述微控制器内设有预设参数,所述预设参数包括预设剂量阈值,所述功率控制单元用于检测并控制所述发热单元的功率大小,所述计时单元连接气流传感器并为其累计工作时间,所述气流传感器在检测到吸气气流时,所述功率控制单元中的电源开关打开供电给所述发热单元,所述能量统计及转换单元用于根据功率控制单元检测到的功率与计时单元累计的工作时间计算出消耗电能,再将消耗电能转换为烟液消耗剂量,所述指示单元包括蜂鸣器或LED指示灯或振动器,所述控制电路配置为:当电子烟被抽吸时,所述气流传感器检测到吸气气流,所述功率控制单元即打开电源开关给发热单元供电,同时所述计时单元开始计时,所述功率控制单元检测发热单元的功率,所述能量统计及转换单元计算消耗电能并转换为烟液消耗剂量,当烟液消耗剂量达到预设剂量阈值时,所述指示单元发出声音或灯光或振动的提示。
优选地,所述指示单元发出声音或灯光或振动提示的同时,所述微控制器控制所述功率控制单元关闭电源开关以停止输出电源给所述发热单元。
优选地,所述微控制器内设有的预设剂量阈值包括预设单口剂量阈值,即每吸一口烟雾的预设剂量阈值。
优选地,所述微控制器内设有的预设剂量阈值包括预设总剂量阈值,即预设的在单位时间内所吸烟雾的总剂量阈值。
优选地,所述预设总剂量阈值为10分钟内的总剂量阈值或24小时内的总剂量阈值。
优选地,所述控制电路还包括阻值检测单元,所述阻值检测单元用于检测所述发热单元的阻值变化并将阻值变化值传送给所述微控制器,所述微控制器根据阻值变化值控制所述功率控制单元进行恒功率输出控制或恒压输出控制。
优选地,所述控制电路还包括显示单元,所述显示单元用于显示所述预设参数和其它实时参数。
优选地,所述气流传感器设有三个引脚,其中引脚1接地,引脚2与MIC信号端连接,MIC信号端用于连接微控制器和计时单元,引脚3与电源BAT+信号端连接,同时串接电容C10后接地。
本发明的另一技术方案是这样实现的:一种可控制剂量的电子烟的控制方法,应用于前一技术方案的可控制剂量的电子烟,包括如下步骤:
(1)、微控制器上预设相关预设参数,电子烟开机操作,控制电路自动初始化;
(2)、电子烟处于待机状态;
(3)、气流传感器检测是否有吸烟气流,如果是,则进入下一步,如果否,则返回上一步;
(4)、微控制器控制功率控制单元给发热单元供电;
(5)、计时单元根据气流传感器的动作进行计时;
(6)、功率控制单元检测功率大小;
(7)、能量统计及转换单元根据功率大小及计时单元的计时统计消耗电能,并将其转换成烟液消耗剂量;
(8)、微控制器判断烟液消耗剂量是否达到预设剂量阈值,如果是,则进入下一步,如果否,则返回到步骤(3);
(9)、指示单元发出声音或灯光或振动提示,然后返回到步骤(3)。
本发明的又一技术方案是这样实现的:一种可控制剂量的电子烟的控制方法,应用于前一技术方案的可控制剂量的电子烟,包括如下步骤:
(1)、微控制器上预设相关预设参数,电子烟开机操作,控制电路自动初始化;
(2)、电子烟处于待机状态;
(3)、气流传感器检测是否有吸烟气流,如果是,则进入下一步,如果否,则返回上一步;
(4)、微控制器控制功率控制单元给发热单元供电;
(5)、计时单元根据气流传感器的动作进行计时;
(6)、功率控制单元检测功率大小;
(7)、能量统计及转换单元根据功率大小及计时单元的计时统计消耗电能,并将其转换成烟液消耗剂量;
(8)、微控制器判断烟液消耗剂量是否达到预设剂量阈值,如果是,则进入下一步,如果否,则返回到步骤(3);
(9)、指示单元发出声音或灯光或振动提示;
(10)、微控制器控制功率控制单元停止输出电源给发热单元;
(11)、电子烟自动关机。
有益效果
本发明的可控制剂量的电子烟及其控制方法,通过对发热单元电能消耗的计算,可统计烟液雾化后气溶胶或烟雾的量,进而统计烟液消耗剂量,提示或限制用户单口或在单位时间内过多地吸食气溶胶或烟雾,避免产生不良影响。
附图说明
图1为本发明可控制剂量的电子烟的结构示意图;
图2为本发明可控制剂量的电子烟的控制电路功能结构图;
图3为本发明可控制剂量的电子烟的气流传感器电路图;
图4为本发明可控制剂量的电子烟的控制方法流程图一;
图5为本发明可控制剂量的电子烟的控制方法流程图二。
本发明的最佳实施方式
如图1所示,本发明一种可控制剂量的电子烟,设有部件包括壳体1、储液腔2、雾化装置3、电池4、气流传感器5和控制电路6,储液腔2用于储存烟液,电池4用于给雾化装置3和控制电路6提供电源,雾化装置3用于传导储液腔内的烟液并加热雾化成汽态烟雾,雾化装置3包括发热单元31、烟雾通道32,气流传感器5用于检测吸气气流或吸气压差并在感应到吸气气流或吸气压差时,通过微控制器MCU的控制,功率控制单元中的电源开关打开供电给发热单元31。气流传感器5可以是咪头、或数字式气流传感器、或数字式气压传感器。
如图2所示,图1中的控制电路6包括相互电性连接的微控制器MCU、功率控制单元、计时单元、能量统计及转换单元、显示单元和指示单元,微控制器MCU是控制电路的控制指挥中心,微控制器MCU内预存设有预设参数,预设参数包括预设剂量阈值,功率控制单元用于检测并控制发热单元的功率大小,功率控制单元包括用于接通与关闭电源给发热单元的电源开关,计时单元连接气流传感器并为其累计工作时间,即用户吸烟时在每一口连续吸气中,气流传感器也是持续工作的,计时单元可为气流传感器计算每口持续工作的时间,也可统计在单位时间内气流传感器累计的工作时间。
根据公知常识可知,发热单元的消耗电能W=P×T,P为功率,T为时间。理论上,消耗一定的电能,就会相应发出一定的热能,该热能可以加热产生一定的烟雾量,产生一定的烟雾量就会消耗一定的烟液剂量,故消耗电能与烟液消耗剂量存在一定的对应关系。不同的烟液组成物质、浓度、粘度等,使得其在雾化成汽态烟雾时需要的能量不同,故其对应关系也会不同。我们可以根据具体已成型的电子烟产品和所要使用的电子烟烟液型号,作出模拟抽吸的动作,建模进行实验,检测相关的数据,可以找出这种消耗电能与烟液消耗剂量存在的对应关系。
能量统计及转换单元根据功率控制单元检测到的功率与计时单元累计的工作时间计算出消耗电能,再根据实验建模得到的消耗电能与雾化装置的烟液消耗剂量的对应关系,将消耗电能转换为烟液消耗剂量。指示单元包括蜂鸣器或LED指示灯或振动器。
如图2所示,控制电路的功能配置为:当电子烟被抽吸时,气流传感器感应到吸气气流或压差后即打开电源开关给发热单元供电,同时计时单元开始计时,功率控制单元检测发热单元的功率,能量统计及转换单元计算消耗电能并转换为烟雾量或烟液消耗剂量,当烟雾量或烟液消耗剂量达到预设剂量阈值时,指示单元发出声音或灯光或振动的提示,即提示用户已经达到预设剂量阈值,应当停止吸烟了。
另一实施例中,指示单元发出声音或灯光或振动的提示的同时,微控制器控制功率控制单元停止输出电源给发热单元,这样可以直接控制用户在达到预设的剂量阈值时停止吸烟。
本实施例中,微控制器内设有的预设剂量阈值包括预设单口剂量阈值,即每吸一口烟雾的预设剂量阈值。当用户吸一口的连续时间较长,则吸入的烟雾较多,有必要进行一定的控制。设定预设单口剂量阈值后,能量统计及转换单元实时计算出消耗电能并转换成实时的烟液消耗剂量,微控制器将实时的烟液消耗剂量与预设单口剂量阈值进行对比,若达到或超过预设单口剂量阈值,则指示单元发出声音或灯光或振动的提示。
微控制器内设有的预设剂量阈值还包括预设总剂量阈值,即预设在单位时间内所吸烟雾的剂量阈值。当用户吸在一定的时间内连续吸烟,则吸入的烟雾总量较多,也有必要进行一定的控制。设定预设总剂量阈值后,能量统计及转换单元累加计算出单位时间内的消耗电能并转换成单位时间内的烟液消耗剂量,微控制器将实时的烟液消耗剂量与预设总剂量阈值进行对比,若达到或超过预设总剂量阈值,则指示单元发出声音或灯光或振动的提示。本实施例中的总剂量阈值包括10分钟之内的总剂量阈值和24小时内的总剂量阈值,分别对10分钟之内吸烟的总烟液消耗剂量和24小时之内吸烟的总烟液消耗剂量进行提示和控制。
根据功率P的计算公式,功率P=U2/R,U为电压,R为电阻。在电子烟产品中,发热单元的电阻阻值R可以是固定不变的,也可以是随温度变化而变化的。故本发明中,控制电路还包括阻值检测单元,阻值检测单元用于检测发热单元的阻值R的变化并将阻值变化值传送给微控制器,微控制器根据阻值变化值控制功率控制单元进行恒功率输出控制或恒压输出控制。
如图2所示,本发明实施例的控制电路还包括显示单元,显示单元用于显示预设参数和其它实时参数。
如图3所示,本发明实施例的气流传感器设有三个引脚,其中引脚1接地,引脚2与MIC信号端连接,MIC信号端用于连接微控制器和计时单元,引脚3与电源BAT+信号端连接,同时串接电容C10后接地。
如图4所示,本发明一种可控制剂量的电子烟的控制方法,应用于如图1的可控制剂量的电子烟,包括如下步骤:
(1)、微控制器上预设相关预设参数,电子烟开机操作,控制电路自动初始化;
(2)、电子烟处于待机状态;
(3)、气流传感器检测是否有吸烟气流,如果是,则进入下一步,如果否,则返回上一步;
(4)、微控制器控制功率控制单元给发热单元供电;
(5)、计时单元根据气流传感器的动作进行计时;
(6)、功率控制单元检测功率大小;
(7)、能量统计及转换单元根据功率大小及计时单元的计时统计消耗电能,并将其转换成烟液消耗剂量;
(8)、微控制器判断烟液消耗剂量是否达到预设剂量阈值,如果是,则进入下一步,如果否,则返回到步骤(3);
(9)、指示单元发出声音或灯光或振动提示,然后返回到步骤(3)。
如图5所示,本发明一种可控制剂量的电子烟的控制方法,应用于可控制剂量的电子烟,包括如下步骤:
(1)、微控制器上预设相关预设参数,电子烟开机操作,控制电路自动初始化;
(2)、电子烟处于待机状态;
(3)、气流传感器检测是否有吸烟气流,如果是,则进入下一步,如果否,则返回上一步;
(4)、微控制器控制功率控制单元给发热单元供电;
(5)、计时单元根据气流传感器的动作进行计时;
(6)、功率控制单元检测功率大小;
(7)、能量统计及转换单元根据功率大小及计时单元的计时统计消耗电能,并将其转换成烟液消耗剂量;
(8)、微控制器判断烟液消耗剂量是否达到预设剂量阈值,如果是,则进入下一步,如果否,则返回到步骤(3);
(9)、指示单元发出声音或灯光或振动提示;
(10)、微控制器控制功率控制单元停止输出电源给发热单元;
(11)、电子烟自动关机。
工业实用性
以上所述仅为本发明的较佳实施例,凡依本发明权利要求范围所做的均等变化与修饰,皆应属本发明权利要求的涵盖范围。

Claims (10)

  1. 一种可控制剂量的电子烟,其特征在于,包括壳体、储液腔、雾化装置、电池、气流传感器和控制电路,所述储液腔用于储存烟液,所述电池用于给雾化装置和控制电路提供电源,所述气流传感器用于检测吸气气流,所述雾化装置用于传导烟液并将烟液加热雾化成汽态烟雾,所述雾化装置包括发热单元,所述控制电路包括相互电性连接的微控制器、功率控制单元、计时单元和能量统计及转换单元和指示单元,所述微控制器内设有预设参数,所述预设参数包括预设剂量阈值,所述功率控制单元用于检测并控制所述发热单元的功率大小,所述计时单元连接气流传感器并为其累计工作时间,所述气流传感器在检测到吸气气流时,所述功率控制单元中的电源开关打开供电给所述发热单元,所述能量统计及转换单元用于根据功率控制单元检测到的功率与计时单元累计的工作时间计算出消耗电能,再将消耗电能转换为烟液消耗剂量,所述指示单元包括蜂鸣器或LED指示灯或振动器,所述控制电路配置为:当电子烟被抽吸时,所述气流传感器检测到吸气气流,所述功率控制单元即打开电源开关给发热单元供电,同时所述计时单元开始计时,所述功率控制单元检测发热单元的功率,所述能量统计及转换单元计算消耗电能并转换为烟液消耗剂量,当烟液消耗剂量达到预设剂量阈值时,所述指示单元发出声音或灯光或振动的提示。
  2. 根据权利要求1所述的可控制剂量的电子烟,其特征在于,所述指示单元发出声音或灯光或振动提示的同时,所述微控制器控制所述功率控制单元关闭电源开关以停止输出电源给所述发热单元。
  3. 根据权利要求1或2所述的可控制剂量的电子烟,其特征在于,所述微控制器内设有的预设剂量阈值包括预设单口剂量阈值,即每吸一口烟雾的预设剂量阈值。
  4. 根据权利要求1或2所述的可控制剂量的电子烟,其特征在于,所述微控制器内设有的预设剂量阈值包括预设总剂量阈值,即预设的在单位时间内所吸烟雾的总剂量阈值。
  5. 根据权利要求4所述的可控制剂量的电子烟,其特征在于,所述预设总剂量阈值为10分钟内的总剂量阈值或24小时内的总剂量阈值。
  6. 根据权利要求1或2所述的可控制剂量的电子烟,其特征在于,所述控制电路还包括阻值检测单元,所述阻值检测单元用于检测所述发热单元的阻值变化并将阻值变化值传送给所述微控制器,所述微控制器根据阻值变化值控制所述功率控制单元进行恒功率输出控制或恒压输出控制。
  7. 根据权利要求1或2所述的可控制剂量的电子烟,其特征在于,所述控制电路还包括显示单元,所述显示单元用于显示所述预设参数和其它实时参数。
  8. 根据权利要求1或2所述的可控制剂量的电子烟,其特征在于,所述气流传感器设有三个引脚,其中引脚1接地,引脚2与MIC信号端连接,MIC信号端用于连接微控制器和计时单元,引脚3与电源BAT+信号端连接,同时串接电容C10后接地。
  9. 一种可控制剂量的电子烟的控制方法,应用于如权利要求1所述的可控制剂量的电子烟,其特征在于,包括如下步骤:
    (1)、微控制器上预设相关预设参数,电子烟开机操作,控制电路自动初始化;
    (2)、电子烟处于待机状态;
    (3)、气流传感器检测是否有吸烟气流,如果是,则进入下一步,如果否,则返回上一步;
    (4)、微控制器控制功率控制单元给发热单元供电;
    (5)、计时单元根据气流传感器的动作进行计时;
    (6)、功率控制单元检测功率大小;
    (7)、能量统计及转换单元根据功率大小及计时单元的计时统计消耗电能,并将其转换成烟液消耗剂量;
    (8)、微控制器判断烟液消耗剂量是否达到预设剂量阈值,如果是,则进入下一步,如果否,则返回到步骤(3);
    (9)、指示单元发出声音或灯光或振动提示,然后返回到步骤(3)。
  10. 一种可控制剂量的电子烟的控制方法,应用于如权利要求2所述的可控制剂量的电子烟,其特征在于,包括如下步骤:
    (1)、微控制器上预设相关预设参数,电子烟开机操作,控制电路自动初始化;
    (2)、电子烟处于待机状态;
    (3)、气流传感器检测是否有吸烟气流,如果是,则进入下一步,如果否,则返回上一步;
    (4)、微控制器控制功率控制单元给发热单元供电;
    (5)、计时单元根据气流传感器的动作进行计时;
    (6)、功率控制单元检测功率大小;
    (7)、能量统计及转换单元根据功率大小及计时单元的计时统计消耗电能,并将其转换成烟液消耗剂量;
    (8)、微控制器判断烟液消耗剂量是否达到预设剂量阈值,如果是,则进入下一步,如果否,则返回到步骤(3);
    (9)、指示单元发出声音或灯光或振动提示;
    (10)、微控制器控制功率控制单元停止输出电源给发热单元;
    (11)、电子烟自动关机。
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