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WO2017031681A1 - Electronic cigarette and control method therefor - Google Patents

Electronic cigarette and control method therefor Download PDF

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Publication number
WO2017031681A1
WO2017031681A1 PCT/CN2015/087990 CN2015087990W WO2017031681A1 WO 2017031681 A1 WO2017031681 A1 WO 2017031681A1 CN 2015087990 W CN2015087990 W CN 2015087990W WO 2017031681 A1 WO2017031681 A1 WO 2017031681A1
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WIPO (PCT)
Prior art keywords
voltage value
heat generating
generating component
control signal
power
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PCT/CN2015/087990
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French (fr)
Chinese (zh)
Inventor
陈志平
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Shenzhen Smoore Technology Ltd
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Shenzhen Smoore Technology Ltd
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Priority to PCT/CN2015/087990 priority Critical patent/WO2017031681A1/en
Publication of WO2017031681A1 publication Critical patent/WO2017031681A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • A24F40/50—Control or monitoring

Definitions

  • the invention relates to a cigarette substitute, in particular to an electronic cigarette and a control method thereof.
  • the electronic cigarette is an electronic device that supplies power to the heating wire through a battery, and the heating wire heats up the atomizing oil to achieve a smoking effect.
  • the lithium battery generally used in electronic cigarettes generally has a voltage value that decreases as the amount of electricity decreases, and the heating efficiency of the heating wire also changes. Therefore, the amount of smoke and the taste of the electronic cigarette change during use.
  • An electronic cigarette comprising: a heating component; a power module for supplying power to the heating component; a power measuring module comprising a voltage true RMS detecting unit and a micro processing unit, the voltage true RMS detecting unit and the heating The two ends of the component are connected to detect a true effective voltage value of the two ends of the heat generating component; the micro processing unit is connected to the voltage true RMS detecting unit, and configured to output a control signal according to the true effective voltage value; And a power adjustment module connected between the power module and the heat generating component and connected to the micro processing unit for receiving the control signal and adjusting power of the heat generating component according to the control signal.
  • a method for controlling an electronic cigarette includes the following steps:
  • the power conditioning module receives the control signal and adjusts power of the heat generating component based on the control signal.
  • the true effective voltage value of the two ends of the heat generating component is detected by the voltage true RMS detecting unit, and the micro processing unit outputs a control signal according to the true effective voltage value, and the power adjusting module adjusts the power of the heat generating component according to the control signal. Since the true effective voltage value directly corresponds to the heat generation amount of the heat generating component, the power of the heat generating component can be accurately adjusted, the heat generation efficiency is stabilized, and the smoke amount and the mouth feel stability of the electronic cigarette are improved. At the same time, since the power of the power module is more rationally distributed during the heating process of the heat generating component, excessive heating does not occur, and the use time of the power module is prolonged.
  • FIG. 1 is a functional block diagram of an electronic cigarette according to an embodiment
  • FIG. 2 is another functional block diagram of the electronic cigarette shown in FIG. 1;
  • Figure 3 is a schematic diagram of the electronic cigarette shown in Figure 2;
  • FIG. 4 is a flow chart of a method for controlling an electronic cigarette according to an embodiment
  • FIG. 5 is a flow chart of step S200 of Figure 4.
  • FIG. 6 is still another flow chart of the method for controlling the electronic cigarette shown in FIG. 4;
  • FIG. 7 is a flow chart of step S600 of FIG.
  • the electronic cigarette and its control method will be more fully described below with reference to the related drawings.
  • a preferred embodiment of the electronic cigarette and its control method is given in the drawing.
  • the electronic cigarette and its control method can be implemented in many different forms and are not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to make the disclosure of electronic cigarettes and their control methods more thorough and comprehensive.
  • the electronic cigarette 10 of an embodiment includes a power module 100 , a heat generating component 200 , a power measuring module 300 , and a power adjusting module 400 .
  • the power module 100 can be a lithium battery or other type of power source for powering the heat generating component 200.
  • the heat generating component 200 can be a heating wire.
  • the power measurement module 300 includes a voltage true RMS detecting unit 320 and a micro processing unit 340. The voltage true RMS detecting unit 320 is connected to both ends of the heat generating component 200 for detecting true effective voltage values of both ends of the heat generating component 200.
  • the true effective voltage value refers to a true effective voltage value obtained by the voltage true RMS detecting unit 320 by measuring the heat, and the true effective voltage value directly corresponds to the heat generation amount of the heat generating component 200.
  • the micro processing unit 340 is coupled to the voltage true rms detection unit 320 for outputting a control signal based on the true effective voltage value.
  • the power conditioning module 400 is coupled between the power module 100 and the heat generating component 200 and is coupled to the microprocessor unit 340 for receiving control signals and adjusting the power of the heat generating component 200 in accordance with the control signals.
  • the output voltage will change with the decrease of the power, and the heat generated by the heating wire will also change.
  • a switch is usually arranged between the battery and the heating wire, and the output voltage of the battery is first detected, and then the opening and closing time of the switch is controlled according to the voltage value of the battery and the preset working voltage value, so that the heating wire is made. Operates at a constant voltage.
  • the actual requirement for keeping the amount of smoke and the mouth feel of the electronic cigarette 10 is that the heating power of the heating wire is constant.
  • the electronic cigarette 10 of the present embodiment detects the heat generating component 200 by the voltage true RMS detecting unit 320.
  • the true effective voltage value at both ends of the micro-processing unit 340 outputs a control signal according to the true effective voltage value, and the power adjustment module 400 adjusts the power of the heat generating component 200 according to the control signal. Since the true effective voltage value directly corresponds to the heat generation amount of the heat generating component 200, the power of the heat generating component 200 can be accurately adjusted, the heat generation efficiency is stabilized, and the smoke amount and the mouth feel stability of the electronic cigarette 10 are improved. At the same time, since the power of the power module 100 is more reasonable in the heat generation process of the heat generating component 200, excessive heating does not occur, and the use time of the power module 100 is prolonged.
  • the micro processing unit 340 is pre-set with a target voltage value, and if the detected true effective voltage value and the preset target voltage value are different or the difference is greater than a preset threshold, the control signal is output.
  • the electronic cigarette 10 may further include a setting module 500, and the setting module 500 may be connected to the micro processing unit 340 for setting a target voltage value.
  • the micro processing unit 340 presets the target voltage value, and after being used by the user, the user can reset the target voltage value through the setting module 500, so that the user can adjust the amount of smoke and the taste of the electronic cigarette 10 as needed.
  • the preset may not be performed at the time of shipment, and the first preset is performed by the setting module 500 when the user first uses it.
  • the power adjustment module 400 includes a PWM (Pulse-Width Modulation) control unit 420 and a switch unit 440.
  • the PWM control unit 420 is connected to the power measurement module 300.
  • the PWM control unit 420 can be connected to the micro processing unit 340 for receiving a control signal, adjusting the duty ratio of the pulse signal according to the control signal, and outputting the pulse signal.
  • the switch unit 440 is connected between the power module 100 and the heat generating component 200, and the switch unit 440 is connected to the PWM control unit 420 for receiving a pulse signal, and controls the heat generating component 200 to be powered on or off according to the pulse signal.
  • the switching unit 440 is a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) switch.
  • MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor
  • a method for controlling the electronic cigarette 10 of an embodiment is used to control the electronic cigarette 10 shown in FIG. 1 to FIG. 3 to ensure stable heat generation efficiency of the heat generating component 200 of the electronic cigarette 10, which includes the following steps. :
  • step S200 the true effective voltage value of both ends of the heat generating component 200 is detected by the voltage true RMS detecting unit 320. Since the true effective voltage value directly corresponds to the amount of heat generated by the heat generating component 200, the power of the heat generating component 200 can be accurately adjusted.
  • step S200 the true effective voltage values of both ends of the heat generating component 200 can be continuously detected at predetermined intervals, and the heating efficiency of the heat generating component 200 is continuously adjusted. It is also possible to set back to the step of performing step S200 in the subsequent steps.
  • step S200 includes the following steps:
  • S220 Performing multiple measurements within a preset time to obtain instantaneous voltage values at both ends of the plurality of heat generating components 200.
  • a plurality of time points such as t 1 , t 2 , and t 3 , are taken, and then the instantaneous voltage values u 1 , u 2 , and u 3 at each time point are measured, and the true effective voltage is measured.
  • the value U can be calculated in the following way: The more time points are taken, the more accurate the calculated rms voltage is.
  • step S400 outputting a control signal according to a true effective voltage value.
  • the control signal is a signal used to control the power conditioning module 400.
  • step S400 may specifically include: S420, and the micro processing unit 340 determines whether the true effective voltage value meets a preset condition. If the preset condition is not met, the micro processing unit 340 performs a step of outputting a control signal (step S440).
  • the process if the preset condition is met, the process returns to step S200 to continuously adjust the heat generation efficiency of the heat generating component 200.
  • the true effective voltage values of both ends of the heat generating component 200 are continuously detected at intervals of the preset time in step S200, it is not necessary to return to the step of performing step S200.
  • the step of setting the target voltage value is included before step S200 (step S100).
  • the set target voltage value can be set directly on the micro processing unit 340 at the time of shipment, or can be set by the setting module 500.
  • the micro processing unit 340 presets the target voltage value, and after the user uses the user, the user can reset the target voltage value through the setting module 500, so that the user can adjust the amount of smoke and the taste of the electronic cigarette 10 as needed.
  • the preset may not be performed at the time of shipment, and the first preset is performed by the setting module 500 when the user first uses it.
  • the true effective voltage value of both ends of the heat generating component 200 is detected by the voltage true RMS detecting unit 320, and the micro processing unit 340 outputs a control signal according to the true effective voltage value, and the power adjusting module 400 according to the control The signal regulates the power of the heat generating component 200.
  • the true effective voltage value directly corresponds to the heat generation amount of the heat generating component 200, so that the power of the heat generating component 200 can be accurately adjusted, the heat generation efficiency is stabilized, and the smoke amount and the mouth feel stability of the electronic cigarette 10 are improved.
  • the power of the power module 100 is more reasonable in the heat generation process of the heat generating component 200, excessive heating does not occur, and the use time of the power module 100 is prolonged.

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Abstract

An electronic cigarette comprises a power supply module (100), a heating component (200), a power measurement module (300), and a power adjustment module (400). The power measurement module (300) comprises a voltage true root mean square detection unit (320) and a micro-processing unit (340). The voltage true root mean square detection unit (320) is connected to two ends of the heating component (200), and is used for detecting voltage true root mean squares of the two ends of the heating component (200). The micro-processing unit (340) is connected to the voltage true root mean square detection unit (320), and is used for outputting a control signal according to the voltage true root mean squares. The power adjustment module (400), which is connected between the power supply module (100) and the heating component (200), is connected to the micro-processing unit (340), and is used for receiving the control signal and adjusting the power of the heating component (200) according to the control signal.

Description

电子烟及其控制方法Electronic cigarette and its control method 技术领域Technical field

本发明涉及香烟替代品，特别是涉及一种电子烟及其控制方法。The invention relates to a cigarette substitute, in particular to an electronic cigarette and a control method thereof.

背景技术Background technique

电子烟是一种通过电池为发热丝供电，发热丝发热使烟油雾化，从而实现吸烟效果的电子装置。然而，电子烟一般采用的锂电池，其电压值通常会随着电量的降低而降低，发热丝的发热效率也会随之改变，因此电子烟在使用过程中烟雾量和口感都会产生变化。The electronic cigarette is an electronic device that supplies power to the heating wire through a battery, and the heating wire heats up the atomizing oil to achieve a smoking effect. However, the lithium battery generally used in electronic cigarettes generally has a voltage value that decreases as the amount of electricity decreases, and the heating efficiency of the heating wire also changes. Therefore, the amount of smoke and the taste of the electronic cigarette change during use.

发明内容Summary of the invention

基于此，有必要针对发热组件的发热效率不稳定的问题，提供一种电子烟及其控制方法。Based on this, it is necessary to provide an electronic cigarette and a control method thereof for the problem that the heat generation efficiency of the heat generating component is unstable.

一种电子烟，包括：发热组件；电源模块，用于给所述发热组件供电；功率测量模块，包括电压真有效值检测单元和微处理单元，所述电压真有效值检测单元与所述发热组件的两端连接，用于检测所述发热组件的两端的真有效电压值；所述微处理单元与所述电压真有效值检测单元连接，用于根据所述真有效电压值输出控制信号；及功率调节模块，连接在所述电源模块和所述发热组件之间，并与所述微处理单元连接，用于接收所述控制信号并根据所述控制信号调节所述发热组件的功率。An electronic cigarette comprising: a heating component; a power module for supplying power to the heating component; a power measuring module comprising a voltage true RMS detecting unit and a micro processing unit, the voltage true RMS detecting unit and the heating The two ends of the component are connected to detect a true effective voltage value of the two ends of the heat generating component; the micro processing unit is connected to the voltage true RMS detecting unit, and configured to output a control signal according to the true effective voltage value; And a power adjustment module connected between the power module and the heat generating component and connected to the micro processing unit for receiving the control signal and adjusting power of the heat generating component according to the control signal.

一种电子烟的控制方法，包括如下步骤：A method for controlling an electronic cigarette includes the following steps:

通过电压真有效值检测单元检测发热组件的两端的真有效电压值；Detecting a true effective voltage value of both ends of the heat generating component by a voltage true RMS detecting unit;

根据所述真有效电压值输出控制信号；及Outputting a control signal according to the true effective voltage value; and

功率调节模块接收所述控制信号，并根据所述控制信号调节所述发热组件的功率。 The power conditioning module receives the control signal and adjusts power of the heat generating component based on the control signal.

上述电子烟及其控制方法，通过电压真有效值检测单元检测发热组件的两端的真有效电压值，微处理单元根据真有效电压值输出控制信号，功率调节模块根据控制信号调节发热组件的功率。由于真有效电压值直接与发热组件的发热量相对应，因此可以精确的调节发热组件的功率，使发热效率稳定，提高电子烟的烟雾量和口感的稳定性。同时，由于电源模块的电量在发热组件发热过程中分配的更加合理，不会发生过度加热的情况，电源模块的使用时间得以延长。The electronic cigarette and the control method thereof, the true effective voltage value of the two ends of the heat generating component is detected by the voltage true RMS detecting unit, and the micro processing unit outputs a control signal according to the true effective voltage value, and the power adjusting module adjusts the power of the heat generating component according to the control signal. Since the true effective voltage value directly corresponds to the heat generation amount of the heat generating component, the power of the heat generating component can be accurately adjusted, the heat generation efficiency is stabilized, and the smoke amount and the mouth feel stability of the electronic cigarette are improved. At the same time, since the power of the power module is more rationally distributed during the heating process of the heat generating component, excessive heating does not occur, and the use time of the power module is prolonged.

附图说明DRAWINGS

为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他实施例的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and those skilled in the art can obtain drawings of other embodiments according to the drawings without any creative work.

图1为一实施例的电子烟的功能模块图；1 is a functional block diagram of an electronic cigarette according to an embodiment;

图2为图1所示电子烟的又一功能模块图；2 is another functional block diagram of the electronic cigarette shown in FIG. 1;

图3为图2所示电子烟的原理图；Figure 3 is a schematic diagram of the electronic cigarette shown in Figure 2;

图4为一实施例电子烟的控制方法的流程图；4 is a flow chart of a method for controlling an electronic cigarette according to an embodiment;

图5为图4中步骤S200的流程图；Figure 5 is a flow chart of step S200 of Figure 4;

图6为图4所示电子烟的控制方法的又一流程图；6 is still another flow chart of the method for controlling the electronic cigarette shown in FIG. 4;

图7为图4中步骤S600的流程图。FIG. 7 is a flow chart of step S600 of FIG.

具体实施方式detailed description

为了便于理解本发明，下面将参照相关附图对电子烟及其控制方法进行更全面的描述。附图中给出了电子烟及其控制方法的首选实施例。但是，电子烟及其控制方法可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对电子烟及其控制方法的公开内容更加透彻全面。 In order to facilitate the understanding of the present invention, the electronic cigarette and its control method will be more fully described below with reference to the related drawings. A preferred embodiment of the electronic cigarette and its control method is given in the drawing. However, the electronic cigarette and its control method can be implemented in many different forms and are not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to make the disclosure of electronic cigarettes and their control methods more thorough and comprehensive.

除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used herein is for the purpose of describing particular embodiments, and is not intended to limit the invention.

如图1、图2所示，一实施方式的电子烟10包括电源模块100、发热组件200、功率测量模块300和功率调节模块400。电源模块100可以是锂电池，也可以是其他类型的电源，用于给发热组件200供电。发热组件200可以是发热丝。功率测量模块300包括电压真有效值检测单元320和微处理单元340，电压真有效值检测单元320与发热组件200的两端连接，用于检测发热组件200的两端的真有效电压值。真有效电压值是指电压真有效值检测单元320通过测量热量的方法获得的真实有效的电压值，真有效电压值直接与发热组件200的发热量相对应。微处理单元340与电压真有效值检测单元320连接，用于根据真有效电压值输出控制信号。功率调节模块400连接在电源模块100和发热组件200之间，并与微处理单元340连接，用于接收控制信号并根据控制信号调节发热组件200的功率。As shown in FIG. 1 and FIG. 2 , the electronic cigarette 10 of an embodiment includes a power module 100 , a heat generating component 200 , a power measuring module 300 , and a power adjusting module 400 . The power module 100 can be a lithium battery or other type of power source for powering the heat generating component 200. The heat generating component 200 can be a heating wire. The power measurement module 300 includes a voltage true RMS detecting unit 320 and a micro processing unit 340. The voltage true RMS detecting unit 320 is connected to both ends of the heat generating component 200 for detecting true effective voltage values of both ends of the heat generating component 200. The true effective voltage value refers to a true effective voltage value obtained by the voltage true RMS detecting unit 320 by measuring the heat, and the true effective voltage value directly corresponds to the heat generation amount of the heat generating component 200. The micro processing unit 340 is coupled to the voltage true rms detection unit 320 for outputting a control signal based on the true effective voltage value. The power conditioning module 400 is coupled between the power module 100 and the heat generating component 200 and is coupled to the microprocessor unit 340 for receiving control signals and adjusting the power of the heat generating component 200 in accordance with the control signals.

一般的电池，如锂电池，其输出电压会随电量减低而变化，发热丝的发热量也随之变化。为解决该问题，通常在电池与发热丝之间设置一个开关，先检测电池的输出电压，然后根据电池的电压值和预设的工作电压值控制开关的开启和关闭的时间，以使发热丝以恒定电压工作。在检测电池的输出电压时，所检测得到的电压值一般为电压平均值，即U＝(u1+u2+u3)/3，U代表所检测得到的电压值，u1、u2、u3分别代表在3个不同的时间点所测量到的电压的瞬时值。然而，使电子烟10的烟雾量和口感保持一致的实际要求是发热丝的发热功率恒定。根据上述方式检测得到的电压值所计算出的发热丝的功率值为P1＝U2/R＝(u1+u2+u3)2/9R，而实际上在这段时间内发热丝的平均功率值为P2＝(u1 2+u2 2+u3 2)/3R。可见，P1明显与P2不相等。此时，即使上述方式所检测到的电压值与预设的工作电压值相等，发热丝的实际发热功率还是与所需要的发热功率有所差别。In general batteries, such as lithium batteries, the output voltage will change with the decrease of the power, and the heat generated by the heating wire will also change. In order to solve this problem, a switch is usually arranged between the battery and the heating wire, and the output voltage of the battery is first detected, and then the opening and closing time of the switch is controlled according to the voltage value of the battery and the preset working voltage value, so that the heating wire is made. Operates at a constant voltage. When detecting the output voltage of the battery, the detected voltage value is generally the voltage average value, that is, U=(u 1 +u 2 +u 3 )/3, U represents the detected voltage value, u 1 , u 2 , u 3 represents the instantaneous value of the voltage measured at three different time points, respectively. However, the actual requirement for keeping the amount of smoke and the mouth feel of the electronic cigarette 10 is that the heating power of the heating wire is constant. The power value of the heating wire calculated based on the voltage value detected in the above manner is P1=U 2 /R=(u 1 +u 2 +u 3 ) 2 /9R, and actually the heating wire during this period The average power value is P2 = (u 1 2 + u 2 2 + u 3 2 ) / 3R. It can be seen that P1 is obviously not equal to P2. At this time, even if the voltage value detected by the above method is equal to the preset operating voltage value, the actual heating power of the heating wire is different from the required heating power.

本实施例的电子烟10通过电压真有效值检测单元320检测发热组件200 的两端的真有效电压值，微处理单元340根据真有效电压值输出控制信号，功率调节模块400根据控制信号调节发热组件200的功率。由于真有效电压值直接与发热组件200的发热量相对应，因此可以精确的调节发热组件200的功率，使发热效率稳定，提高电子烟10的烟雾量和口感的稳定性。同时，由于电源模块100的电量在发热组件200发热过程中分配的更加合理，不会发生过度加热的情况，电源模块100的使用时间得以延长。The electronic cigarette 10 of the present embodiment detects the heat generating component 200 by the voltage true RMS detecting unit 320. The true effective voltage value at both ends of the micro-processing unit 340 outputs a control signal according to the true effective voltage value, and the power adjustment module 400 adjusts the power of the heat generating component 200 according to the control signal. Since the true effective voltage value directly corresponds to the heat generation amount of the heat generating component 200, the power of the heat generating component 200 can be accurately adjusted, the heat generation efficiency is stabilized, and the smoke amount and the mouth feel stability of the electronic cigarette 10 are improved. At the same time, since the power of the power module 100 is more reasonable in the heat generation process of the heat generating component 200, excessive heating does not occur, and the use time of the power module 100 is prolonged.

在其中一个实施例中，微处理单元340预设有目标电压值，若检测到的真有效电压值和预设的目标电压值不同或差值大于预设的阈值，则输出控制信号。进一步的，在一实施例中，电子烟10还可以包括设定模块500，设定模块500可以与微处理单元340连接，用于设定目标电压值。一般出厂时，微处理单元340会预设目标电压值，交给用户使用后，用户可以通过设定模块500重新设定目标电压值，进而用户可以根据需要调节电子烟10的烟雾量和口感。当然，出厂时也可以不进行预设，用户第一次使用时通过设定模块500进行第一次预设。In one embodiment, the micro processing unit 340 is pre-set with a target voltage value, and if the detected true effective voltage value and the preset target voltage value are different or the difference is greater than a preset threshold, the control signal is output. Further, in an embodiment, the electronic cigarette 10 may further include a setting module 500, and the setting module 500 may be connected to the micro processing unit 340 for setting a target voltage value. Generally, the micro processing unit 340 presets the target voltage value, and after being used by the user, the user can reset the target voltage value through the setting module 500, so that the user can adjust the amount of smoke and the taste of the electronic cigarette 10 as needed. Of course, the preset may not be performed at the time of shipment, and the first preset is performed by the setting module 500 when the user first uses it.

同时参见图2、图3，在其中一个实施例中，功率调节模块400包括PWM(Pulse-Width Modulation，脉冲宽度调制)控制单元420和开关单元440。PWM控制单元420与功率测量模块300连接，具体的，PWM控制单元420可以与微处理单元340连接，用于接收控制信号，根据控制信号调整脉冲信号的占空比，并输出脉冲信号。开关单元440连接于电源模块100和发热组件200之间，且开关单元440与PWM控制单元420连接，用于接收脉冲信号，并根据脉冲信号控制发热组件200通电或断电。在一实施例中，开关单元440为MOSFET(Metal-Oxide-Semiconductor Field-Effect Transistor，金属-氧化物半导体场效应晶体管)开关。Referring to FIG. 2 and FIG. 3 simultaneously, in one embodiment, the power adjustment module 400 includes a PWM (Pulse-Width Modulation) control unit 420 and a switch unit 440. The PWM control unit 420 is connected to the power measurement module 300. Specifically, the PWM control unit 420 can be connected to the micro processing unit 340 for receiving a control signal, adjusting the duty ratio of the pulse signal according to the control signal, and outputting the pulse signal. The switch unit 440 is connected between the power module 100 and the heat generating component 200, and the switch unit 440 is connected to the PWM control unit 420 for receiving a pulse signal, and controls the heat generating component 200 to be powered on or off according to the pulse signal. In one embodiment, the switching unit 440 is a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) switch.

如图4所示，一实施方式的电子烟10的控制方法，用于控制图1至图3所示的电子烟10，以保证电子烟10的发热组件200的发热效率稳定，其包括如下步骤： As shown in FIG. 4, a method for controlling the electronic cigarette 10 of an embodiment is used to control the electronic cigarette 10 shown in FIG. 1 to FIG. 3 to ensure stable heat generation efficiency of the heat generating component 200 of the electronic cigarette 10, which includes the following steps. :

S200，通过电压真有效值检测单元320检测发热组件200的两端的真有效电压值。由于真有效电压值直接与发热组件200的发热量相对应，因此可以精确的调节发热组件200的功率。步骤S200中可以间隔预设时间持续检测发热组件200的两端的真有效电压值，不断的对发热组件200进行发热效率的调整。也可以在后续步骤中设置返回执行步骤S200的步骤。S200, the true effective voltage value of both ends of the heat generating component 200 is detected by the voltage true RMS detecting unit 320. Since the true effective voltage value directly corresponds to the amount of heat generated by the heat generating component 200, the power of the heat generating component 200 can be accurately adjusted. In step S200, the true effective voltage values of both ends of the heat generating component 200 can be continuously detected at predetermined intervals, and the heating efficiency of the heat generating component 200 is continuously adjusted. It is also possible to set back to the step of performing step S200 in the subsequent steps.

同时参见图5，在其中一个实施例中，步骤S200包括如下步骤：Referring to FIG. 5, in one embodiment, step S200 includes the following steps:

S220，在预设时间内多次测量，获得多个发热组件200的两端的瞬间电压值。S220: Performing multiple measurements within a preset time to obtain instantaneous voltage values at both ends of the plurality of heat generating components 200.

S240，计算多个瞬间电压值的平方平均数，得到真有效电压值。S240. Calculate a square average of the plurality of instantaneous voltage values to obtain a true effective voltage value.

具体的，在一个检测周期时间段内，取多个时间点，如t1、t2、t3，然后测量每个时间点上的瞬时电压值u1、u2、u3，真有效电压值U就可以通过以下方式计算：

Figure PCTCN2015087990-appb-000001
时间点取的越多，所计算出的电压真有效值越准确。Specifically, in a period of a detection period, a plurality of time points, such as t 1 , t 2 , and t 3 , are taken, and then the instantaneous voltage values u 1 , u 2 , and u 3 at each time point are measured, and the true effective voltage is measured. The value U can be calculated in the following way:
Figure PCTCN2015087990-appb-000001
The more time points are taken, the more accurate the calculated rms voltage is.

S400，根据真有效电压值输出控制信号。控制信号是用于控制功率调节模块400的信号。同时参见图6，在一实施例中，步骤S400可以具体包括：S420，微处理单元340判断真有效电压值是否符合预设条件。若不符合预设条件，则微处理单元340执行输出控制信号的步骤(步骤S440)。S400, outputting a control signal according to a true effective voltage value. The control signal is a signal used to control the power conditioning module 400. Referring to FIG. 6 , in an embodiment, step S400 may specifically include: S420, and the micro processing unit 340 determines whether the true effective voltage value meets a preset condition. If the preset condition is not met, the micro processing unit 340 performs a step of outputting a control signal (step S440).

在一实施例中，若符合预设条件，则返回执行步骤S200，以实现不断的对发热组件200进行发热效率的调整。在步骤S200中间隔预设时间持续检测发热组件200的两端的真有效电压值的实施例中，无需返回执行步骤S200的步骤。In an embodiment, if the preset condition is met, the process returns to step S200 to continuously adjust the heat generation efficiency of the heat generating component 200. In the embodiment in which the true effective voltage values of both ends of the heat generating component 200 are continuously detected at intervals of the preset time in step S200, it is not necessary to return to the step of performing step S200.

在一实施例中，预设条件可以是真有效电压值与目标电压值相同，若真有效电压值与预设的目标电压值不同则执行步骤S440。本实施例的判断方式简单，微处理单元340可以快速运行，且微处理单元340耗电低。在另一实施例中，预设条件可以是真有效电压值与目标电压值的差值小于等于预设的 容差。容差一般小于等于目标电压值的10％。比如容差设置为目标电压值的5％，若真有效电压值与目标电压值的差值大于目标电压值的5％，则执行步骤S440。In an embodiment, the preset condition may be that the true effective voltage value is the same as the target voltage value, and if the true effective voltage value is different from the preset target voltage value, step S440 is performed. The judgment mode of this embodiment is simple, the micro processing unit 340 can run fast, and the micro processing unit 340 consumes low power. In another embodiment, the preset condition may be that the difference between the true effective voltage value and the target voltage value is less than or equal to a preset value. Tolerance. The tolerance is generally less than or equal to 10% of the target voltage value. For example, if the tolerance is set to 5% of the target voltage value, if the difference between the true effective voltage value and the target voltage value is greater than 5% of the target voltage value, step S440 is performed.

在其中一个实施例中，在步骤S200之前包括设定目标电压值的步骤(步骤S100)。设定目标电压值可以出厂时直接在微处理单元340上设定，也可以通过设定模块500设定。一般出厂时，微处理单元340会预设目标电压值，交用户使用后，用户可以通过设定模块500重新设定目标电压值，进而用户可以根据需要调节电子烟10的烟雾量和口感。当然，出厂时也可以不进行预设，用户第一次使用时通过设定模块500进行第一次预设。In one of the embodiments, the step of setting the target voltage value is included before step S200 (step S100). The set target voltage value can be set directly on the micro processing unit 340 at the time of shipment, or can be set by the setting module 500. Generally, the micro processing unit 340 presets the target voltage value, and after the user uses the user, the user can reset the target voltage value through the setting module 500, so that the user can adjust the amount of smoke and the taste of the electronic cigarette 10 as needed. Of course, the preset may not be performed at the time of shipment, and the first preset is performed by the setting module 500 when the user first uses it.

在步骤S200中为间隔预设时间持续检测发热组件200的两端的真有效电压值的实施例中，若步骤S420判断为符合预设条件，本次控制流程可以直接结束。在其他实施例中，若符合预设条件，则返回执行步骤S200，以实现不断的对发热组件200进行发热效率的调整。In the embodiment that the true effective voltage value of both ends of the heat generating component 200 is continuously detected for the preset time interval in step S200, if the step S420 determines that the preset condition is met, the current control flow may directly end. In other embodiments, if the preset condition is met, the process returns to step S200 to implement continuous adjustment of the heat generation efficiency of the heat generating component 200.

S600，功率调节模块400接收控制信号，并根据控制信号调节发热组件200的功率。同时参见图7，在其中一个实施例中，步骤S600可以包括如下步骤：S600. The power adjustment module 400 receives the control signal and adjusts the power of the heat generating component 200 according to the control signal. Referring to FIG. 7, in one embodiment, step S600 may include the following steps:

S620，接收控制信号，根据控制信号调整脉冲信号的占空比，并输出脉冲信号。S620, receiving a control signal, adjusting a duty ratio of the pulse signal according to the control signal, and outputting the pulse signal.

S640，接收脉冲信号，并根据脉冲信号控制发热组件200通电或断电。从而控制发热组件200的发热效率。S640, receiving a pulse signal, and controlling the heating component 200 to be powered on or off according to the pulse signal. Thereby, the heat generation efficiency of the heat generating component 200 is controlled.

在一实施例中，在步骤S200中为间隔预设时间持续检测发热组件200的真有效电压值的实施例中，步骤S600结束后，本次控制流程可以直接结束。在其他实施例中，步骤S600结束后，返回执行步骤S200，以实现不断的对发热组件200进行发热效率的调整。In an embodiment, in the embodiment that the true effective voltage value of the heat generating component 200 is continuously detected for the preset time interval in step S200, after the end of step S600, the current control flow may directly end. In other embodiments, after the end of step S600, the process returns to step S200 to implement continuous adjustment of the heat generation efficiency of the heat generating component 200.

本实施例的电子烟10的控制方法，通过电压真有效值检测单元320检测发热组件200的两端的真有效电压值，微处理单元340根据真有效电压值输出控制信号，功率调节模块400根据控制信号调节发热组件200的功率。由 于真有效电压值直接与发热组件200的发热量相对应，因此可以精确的调节发热组件200的功率，使发热效率稳定，提高电子烟10的烟雾量和口感的稳定性。同时，由于电源模块100的电量在发热组件200发热过程中分配的更加合理，不会发生过度加热的情况，电源模块100的使用时间得以延长。In the control method of the electronic cigarette 10 of the embodiment, the true effective voltage value of both ends of the heat generating component 200 is detected by the voltage true RMS detecting unit 320, and the micro processing unit 340 outputs a control signal according to the true effective voltage value, and the power adjusting module 400 according to the control The signal regulates the power of the heat generating component 200. By The true effective voltage value directly corresponds to the heat generation amount of the heat generating component 200, so that the power of the heat generating component 200 can be accurately adjusted, the heat generation efficiency is stabilized, and the smoke amount and the mouth feel stability of the electronic cigarette 10 are improved. At the same time, since the power of the power module 100 is more reasonable in the heat generation process of the heat generating component 200, excessive heating does not occur, and the use time of the power module 100 is prolonged.

以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。 The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims (11)

一种电子烟，其特征在于，包括：An electronic cigarette characterized by comprising: 发热组件；Heating component 电源模块，用于给所述发热组件供电；a power module for supplying power to the heat generating component; 功率测量模块，包括电压真有效值检测单元和微处理单元，所述电压真有效值检测单元与所述发热组件的两端连接，用于检测所述发热组件的两端的真有效电压值；所述微处理单元与所述电压真有效值检测单元连接，用于根据所述真有效电压值输出控制信号；及The power measurement module includes a voltage true RMS detecting unit and a micro processing unit, and the voltage true RMS detecting unit is connected to both ends of the heat generating component for detecting true effective voltage values of both ends of the heat generating component; The micro processing unit is connected to the voltage true RMS detecting unit for outputting a control signal according to the true effective voltage value; 功率调节模块，连接在所述电源模块和所述发热组件之间，并与所述微处理单元连接，用于接收所述控制信号并根据所述控制信号调节所述发热组件的功率。And a power adjustment module connected between the power module and the heat generating component and connected to the micro processing unit for receiving the control signal and adjusting power of the heat generating component according to the control signal. 根据权利要求1所述的电子烟，其特征在于，还包括设定模块，与所述微处理单元连接，用于设定所述微处理单元的目标电压值。The electronic cigarette according to claim 1, further comprising a setting module connected to the micro processing unit for setting a target voltage value of the micro processing unit. 根据权利要求1所述的电子烟，其特征在于，所述功率调节模块包括：The electronic cigarette according to claim 1, wherein the power adjustment module comprises: PWM控制单元，与所述微处理单元连接，用于接收所述控制信号，根据所述控制信号调整脉冲信号的占空比，并输出所述脉冲信号；及a PWM control unit, coupled to the micro processing unit, configured to receive the control signal, adjust a duty ratio of the pulse signal according to the control signal, and output the pulse signal; 开关单元，连接于所述电源模块和所述发热组件之间，且所述开关单元与所述PWM控制单元连接，用于接收所述脉冲信号，并根据所述脉冲信号控制所述发热组件通电或断电。a switch unit connected between the power module and the heat generating component, and the switch unit is connected to the PWM control unit, configured to receive the pulse signal, and control the heat generating component to be powered according to the pulse signal Or power off. 根据权利要求3所述的电子烟，其特征在于，所述开关单元为MOSFET开关。The electronic cigarette according to claim 3, wherein the switching unit is a MOSFET switch. 一种电子烟的控制方法，其特征在于，包括如下步骤：A method for controlling an electronic cigarette, comprising the steps of: 通过电压真有效值检测单元检测发热组件的两端的真有效电压值；Detecting a true effective voltage value of both ends of the heat generating component by a voltage true RMS detecting unit; 根据所述真有效电压值输出控制信号；及Outputting a control signal according to the true effective voltage value; and 功率调节模块接收所述控制信号，并根据所述控制信号调节所述发热组件的功率。 The power conditioning module receives the control signal and adjusts power of the heat generating component based on the control signal. 根据权利要求5所述的电子烟的控制方法，其特征在于，所述通过电压真有效值检测单元检测发热组件的两端的真有效电压值的步骤包括如下步骤：The electronic cigarette control method according to claim 5, wherein the step of detecting the true effective voltage value of both ends of the heat generating component by the voltage true RMS detecting unit comprises the following steps: 在预设时间内多次测量，获得多个所述发热组件的两端的瞬间电压值；及Performing multiple measurements within a preset time to obtain instantaneous voltage values at both ends of the plurality of heat generating components; 计算多个所述瞬间电压值的平方平均数，得到所述真有效电压值。Calculating a square average of a plurality of the instantaneous voltage values to obtain the true effective voltage value. 根据权利要求5所述的电子烟的控制方法，其特征在于，在根据所述真有效电压值输出控制信号的步骤之后，还包括返回执行所述通过电压真有效值检测单元检测发热组件的两端的真有效电压值的步骤。The electronic cigarette control method according to claim 5, further comprising, after the step of outputting the control signal according to the true effective voltage value, further comprising: returning to perform the detecting of the heat generating component by the pass voltage true effective value detecting unit The step of the true effective voltage value at the end. 根据权利要求5所述的电子烟的控制方法，其特征在于，所述功率调节模块接收所述控制信号，并根据所述控制信号调节所述发热组件的功率的步骤包括如下步骤：The electronic cigarette control method according to claim 5, wherein the step of the power adjustment module receiving the control signal and adjusting the power of the heat generating component according to the control signal comprises the following steps: 接收所述控制信号，根据所述控制信号调整脉冲信号的占空比，并输出所述脉冲信号；及Receiving the control signal, adjusting a duty ratio of the pulse signal according to the control signal, and outputting the pulse signal; and 接收所述脉冲信号，并根据所述脉冲信号控制发热组件通电或断电。The pulse signal is received, and the heat generating component is controlled to be powered on or off according to the pulse signal. 根据权利要求5所述的电子烟的控制方法，其特征在于，所述根据所述真有效电压值输出控制信号的步骤包括微处理单元判断所述真有效电压值是否符合预设条件，若不符合所述预设条件，则输出控制信号。The electronic cigarette control method according to claim 5, wherein the step of outputting the control signal according to the true effective voltage value comprises the micro processing unit determining whether the true effective voltage value meets a preset condition, if not When the preset condition is met, a control signal is output. 根据权利要求9所述的电子烟的控制方法，其特征在于，在所述通过电压真有效值检测单元检测发热组件的两端的真有效电压值的步骤之前，还包括设定目标电压值的步骤；The electronic cigarette control method according to claim 9, wherein the step of setting the target voltage value before the step of detecting the true effective voltage value at both ends of the heat generating component by the voltage true rms detecting unit ; 所述预设条件为所述真有效电压值与所述目标电压值相同。The preset condition is that the true effective voltage value is the same as the target voltage value. 根据权利要求9所述的电子烟的控制方法，其特征在于，在所述通过电压真有效值检测单元检测发热组件的两端的真有效电压值的步骤之前，还包括设定目标电压值的步骤；The electronic cigarette control method according to claim 9, wherein the step of setting the target voltage value before the step of detecting the true effective voltage value at both ends of the heat generating component by the voltage true rms detecting unit ; 所述预设条件为所述真有效电压值与所述目标电压值的差值小于等于预设的容差。 The preset condition is that a difference between the true effective voltage value and the target voltage value is less than or equal to a preset tolerance.
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