WO2014205694A1 - 电子烟及电子烟恒定功率输出方法 - Google Patents

电子烟及电子烟恒定功率输出方法 Download PDF

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Publication number
WO2014205694A1
WO2014205694A1 PCT/CN2013/078050 CN2013078050W WO2014205694A1 WO 2014205694 A1 WO2014205694 A1 WO 2014205694A1 CN 2013078050 W CN2013078050 W CN 2013078050W WO 2014205694 A1 WO2014205694 A1 WO 2014205694A1
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Prior art keywords
voltage
current
microprocessor
electronic cigarette
heating
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PCT/CN2013/078050
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English (en)
French (fr)
Inventor
向智勇
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吉瑞高新科技股份有限公司
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Application filed by 吉瑞高新科技股份有限公司 filed Critical 吉瑞高新科技股份有限公司
Priority to US14/901,109 priority Critical patent/US10004262B2/en
Priority to PCT/CN2013/078050 priority patent/WO2014205694A1/zh
Priority to CN201390001159.4U priority patent/CN205196989U/zh
Publication of WO2014205694A1 publication Critical patent/WO2014205694A1/zh

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    • 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
    • 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
    • A24F40/53Monitoring, e.g. fault detection
    • 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

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  • the present invention relates to the field of electronic cigarettes, and more particularly to a method for outputting constant power of electronic cigarettes and electronic cigarettes.
  • Electronic cigarettes are a kind of substitute for heating cigarettes to produce atomization and provide a cigarette to smokers.
  • the electronic cigarette battery supplies power to the atomizer, and mainly adopts a power supply mode of full power output or constant voltage output, and the output power changes according to the resistance value of the load heating wire.
  • the full power output mode the output power decreases as the battery voltage decreases.
  • the constant voltage output the output power of the electronic cigarette changes with the resistance of the load heating wire.
  • the resistance values of the electric heating wires of each electronic cigarette are different. Therefore, the power supply method of the prior art will make the heating power of the heating wires of different electronic cigarettes different, thereby causing The amount of smoke and the taste of different e-cigarettes are quite different, which cannot satisfy the needs of consumers.
  • the technical problem to be solved by the present invention is that, when the electronic cigarette is mass-produced in the prior art, the heating power of the electronic cigarette is different, and the defects in the amount of smoke and the difference in taste of the different electronic cigarettes are large, and an electronic cigarette and an electron are provided. Smoke constant power output method.
  • the technical solution adopted by the present invention to solve the technical problem is to construct an electronic cigarette, the electronic cigarette includes an atomizer, the atomizer includes a load heating wire, and the electronic cigarette further includes a load for the load
  • the power supply module is powered by the heating wire, and the electronic cigarette further includes: a microprocessor, a detecting module and a voltage adjusting module electrically connected to the microprocessor, wherein
  • the detecting module is configured to detect an actual current and an actual voltage in the heating process in real time
  • the microprocessor is configured to acquire an actual current detected by the detecting module, and obtain a standard heating voltage according to the actual current;
  • the microprocessor is further configured to compare the standard heating voltage with an actual voltage detected by the detecting module, and if the standard heating voltage and the actual voltage are different, controlling the voltage adjusting module to adjust The actual voltage during the heating is equal to the standard heating voltage such that the output power is equal to a predetermined constant power.
  • the microprocessor is further configured to generate and store a correspondence table of voltage and current, and the power obtained by multiplying any voltage in the correspondence table of the voltage and current by the corresponding current is equal to the preset Constant power
  • the heating voltage of the microprocessor according to the actual current acquisition standard is specifically:
  • the microprocessor acquires a voltage corresponding to the actual current in the correspondence table of the voltage and current as the standard heating voltage.
  • the detecting module comprises: a voltage detecting module, a current detecting module and a current signal amplifying circuit;
  • the voltage detecting module is configured to perform voltage detection during the power supply module to supply power to the load heating wire to obtain an actual voltage during the heating process;
  • the current detecting module is configured to perform current detection during the heating process of the power supply module to heat the load heating wire to detect an actual current in the heating process;
  • the current signal amplifying circuit is configured to amplify an actual current detected by the current detecting module.
  • the model of the microprocessor is SN8P2711B;
  • the voltage adjustment module comprises: a MOS tube;
  • the source of the MOS transistor is connected to the positive electrode and the drain of the power supply module to the load heating wire, and the gate is connected to the fifth pin of the microprocessor.
  • the current detecting module includes: a first resistor; the current signal amplifying circuit includes: an operational amplifier, a second resistor, and a third resistor; the voltage detecting module includes: a fourth resistor and a fifth resistor;
  • the sixth of the microprocessor The pin is connected to the output end of the operational amplifier; the non-inverting input terminal of the operational amplifier is connected to the load heating wire through the first resistor, and is connected to the negative pole of the power supply module through the first resistor; the inverting input terminal of the operational amplifier is grounded through the second resistor. And connected to the non-inverting input terminal of the operational amplifier through a third resistor;
  • the 8th pin of the microprocessor is grounded through the fifth resistor and connected to the drain of the MOS transistor Q1 and the load heating wire through the fourth resistor.
  • the microprocessor is further configured to preset and store a constant power
  • the heating voltage of the microprocessor according to the actual current acquisition standard is specifically:
  • the microprocessor calculates a voltage according to the actual current detected by the detecting module and the constant power, and uses the voltage as the Standard heating voltage.
  • the detecting module comprises: a voltage detecting module, a current detecting module and a current signal amplifying circuit;
  • the voltage detecting module is configured to perform voltage detection during the power supply module to supply power to the load heating wire to obtain an actual voltage during the heating process;
  • the current detecting module is configured to perform current detection during the heating process of the power supply module to heat the load heating wire to detect an actual current in the heating process;
  • the current signal amplifying circuit is configured to amplify an actual current detected by the current detecting module.
  • the model of the microprocessor is SN8P2711B;
  • the voltage adjustment module comprises: a MOS tube;
  • the source of the MOS transistor is connected to the positive electrode and the drain of the power supply module to the load heating wire, and the gate is connected to the fifth pin of the microprocessor.
  • the current detecting module includes: a first resistor; the current signal amplifying circuit includes: an operational amplifier, a second resistor, and a third resistor; the voltage detecting module includes: a fourth resistor and a fifth resistor;
  • the sixth of the microprocessor The pin is connected to the output end of the operational amplifier; the non-inverting input terminal of the operational amplifier is connected to the load heating wire through the first resistor, and is connected to the negative pole of the power supply module through the first resistor; the inverting input terminal of the operational amplifier is grounded through the second resistor. And connected to the non-inverting input terminal of the operational amplifier through a third resistor;
  • the 8th pin of the microprocessor is grounded through the fifth resistor and connected to the drain of the MOS transistor Q1 and the load heating wire through the fourth resistor. .
  • the electronic cigarette further includes: a smoking signal detecting module, configured to detect a smoking signal; and when the smoking signal detecting module detects a smoking signal, the microprocessor controls the power supply module to the load heating wire Power is supplied to heat it.
  • a smoking signal detecting module configured to detect a smoking signal
  • the microprocessor controls the power supply module to the load heating wire Power is supplied to heat it.
  • the smoking signal detecting module is a pressure sensor or a button switch.
  • An electronic cigarette constant power output method comprising: a microprocessor, an atomizer and a power supply module, the atomizer comprising a load heating wire, wherein the power supply module is configured to supply power to the load heating wire Heating thereof, the method comprising:
  • the method further includes: generating and storing a correspondence table of voltage and current, wherein a power obtained by multiplying any voltage in the correspondence table by a corresponding current thereof is equal to the preset constant power;
  • the heating voltage according to the actual current acquisition standard specifically includes:
  • a voltage corresponding to the actual current is obtained as a standard heating voltage in a correspondence table of the voltage and current.
  • the method further comprises: presetting and storing a constant power
  • the heating voltage according to the actual current acquisition standard specifically includes:
  • the voltage calculated based on the actual current and the constant power is taken as the standard heating voltage.
  • the voltage calculated according to the actual current and the constant power is taken as the standard heating voltage, specifically:
  • the method for implementing the constant power output of the electronic cigarette and the electronic cigarette of the invention has the following beneficial effects: the electronic cigarette can be output according to the set constant power, and the atomizer loading electric heating wire of each electronic cigarette in the mass production can be operated.
  • the power is consistent, so that the amount of smoke and the consistency of each e-cigarette are better, which can better meet the needs of consumers.
  • FIG. 1 is a structural view of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 2 is a detailed structural diagram of an electronic cigarette according to an embodiment of the present invention.
  • FIG. 3 is a circuit diagram of an electronic cigarette according to an embodiment of the present invention.
  • Fig. 4 is a flow chart showing a method of outputting constant power of an electronic cigarette according to an embodiment of the present invention.
  • the electronic cigarette capable of constant power output includes: a microprocessor 100 and a power supply module 200 The voltage adjustment module 300, the detection module 400, and the atomizer 500.
  • the power supply module 200 is respectively connected to the microprocessor 100 and the atomizer 500, and the voltage adjustment module 300
  • the microprocessor 100 and the power supply module 200 are respectively connected, and the detection module 400 is respectively connected to the microprocessor 100, the power supply module 200 and the atomizer 500.
  • the atomizer 500 The load heating wire (not shown in FIG. 1) is connected, and the load heating wire is connected to the power supply module 200. When the power supply module 200 supplies power to the load heating wire, the load heating wire is heated. Heating the smoke liquid of the electronic cigarette produces atomization.
  • a detection module 400 for feeding the atomizer 500 at the power supply module 200 The load electric heating wire supplies the actual current and the actual voltage during the heating process in real time during heating.
  • a microprocessor 100 for acquiring a detection module 400 Detecting the actual current and obtaining a standard heating voltage according to the actual current; also for using the standard heating voltage and detection module 400 The detected actual voltage is compared, and if the standard heating voltage and the actual voltage are not the same, the voltage adjustment module 300 is controlled. The actual voltage during the heating process is adjusted to be equal to the standard heating voltage such that the output power is equal to a predetermined constant power.
  • the standard heating voltage can be obtained in two ways:
  • a correspondence table of voltage and current is generated and stored, and the power obtained by multiplying any voltage in the correspondence table by its corresponding current is a preset constant power.
  • the detecting module 400 detects the current; the microprocessor According to the current detected by the detecting module 400, a voltage corresponding to the detected actual current is obtained as a standard heating voltage in a correspondence table of voltage and current.
  • Table 1 a correspondence table of voltages and currents generated and stored by the microprocessor 100 of the embodiment of the present invention is shown. Table 1 The voltage and current in the medium should be specifically set according to the resistance value of the load heating wire.
  • the microprocessor 100 presets and stores a constant power P 0 ( W ).
  • I is the actual current I 0 detected by the detection module 400.
  • microprocessor 100 pairs voltage adjustment module 100 Applying control to adjust the actual voltage during the heating process is specifically achieved by:
  • the power supply module 200 If the detected actual voltage is greater than the standard heating voltage, the power supply module 200 The output power is higher than the preset constant power, and the voltage needs to be lowered to reduce the output power of the power supply module 200. Therefore, the voltage adjustment module 300 can adjust the power supply module 200 by lowering the voltage.
  • the output power is such that it is output at a preset constant power.
  • the power supply module 200 If the detected voltage is less than the standard heating voltage, the power supply module 200 The output power is less than the preset constant power, and the voltage needs to be raised to increase the output power of the power supply module 200. Therefore, the voltage adjustment module 300 can adjust the power supply module 200 by raising the voltage.
  • the output power is such that it is output at a preset constant power.
  • the detection module 400 includes a voltage detection module 401 and a current detection module 402.
  • the power supply module 200 of the electronic cigarette is feeding the heating wire
  • the operating current when the power is supplied to the 501 is small.
  • the detecting module 400 further includes a current signal amplifying circuit 403.
  • Current signal amplifying circuit 403 The actual current signal detected by the current detecting module 402 is amplified and transmitted to an I/O port of the microprocessor 100.
  • the first mode obtained by the preset voltage is stored in the microprocessor 100.
  • the electronic cigarette of the embodiment of the present invention further includes a smoking signal detecting module (not shown in FIG. 2) and a short circuit detecting module 800. . a smoking signal detecting module for detecting a smoking signal; when the smoking signal detecting module detects the smoking signal, the microprocessor 100 controls the power supply module 200 to load the heating wire 501 powered by.
  • the smoking signal detection module includes a pressure sensor 600 or a push button switch 700.
  • the working process of the electronic cigarette according to the embodiment of the present invention is as follows:
  • the air pressure sensor 600 detects the smoking signal (ie, the airflow signal generated when the user smokes) or the button switch 700 transmits the signal to the microcontroller 100 after detecting the button signal; the microprocessor 100 controls the power supply module 200 and the load heating wire 501.
  • the power supply path is turned on, so that the load heating wire 501 generates heat to heat atomize the smoke liquid in the electronic cigarette to simulate the smoking process; during the power supply module 200 power supply to the load heating wire 501, the voltage detecting module 401 detects the actual voltage U.
  • the microprocessor 100 compares the voltage and current correspondence table or calculates the standard heating voltage U 0 according to the current I 2 ; the microprocessor 100 compares the standard heating voltage U 0 with the actual voltage U 1 , if U 1 > U 0, the microprocessor 100 controls the voltage adjustment module 300 adjusts an output voltage drop; if U 1 ⁇ U 0, the microprocessor 100 The voltage adjustment module 300 adjusts the output voltage rise to achieve a preset constant power output; during the power supply module 200 powering the load heating wire 501, the short circuit detection module 800 performs short circuit detection, and if a short circuit occurs, the micro The processor 100 controls the power supply path to be disconnected to protect the power supply path of the electronic cigarette.
  • the model number of the microprocessor 100 is SN8P2711B
  • the power supply module 200 is a battery
  • the voltage adjustment module 300 includes a MOS transistor Q1.
  • the source of the MOS transistor Q1 is connected to the positive electrode of the power supply module 200, the drain is connected to the load heating wire 501, and the gate is connected to the first pulse output end of the microprocessor 100 (ie, the fifth pin of the microprocessor 100).
  • the 8th pin of the microprocessor 100 is grounded through the resistor R5 and the capacitor C3, respectively, and connected to the drain of the MOS transistor Q1 and the load heating wire 501 through the resistor R4 for voltage detection; the 7th pin of the microprocessor 100 The drain of the MOS transistor Q1 and the load heating wire 501 are connected through the resistor R7 for short-circuit detection; the sixth pin of the microprocessor 100 is connected to the output terminal of the operational amplifier L1, and is grounded through the capacitor C2; the non-inverting input of the operational amplifier L1 The terminal is connected to the load heating wire 501 through the resistor R1, and is connected to the negative pole of the power supply module 200 through the series resistor R1 and the resistor R8; the non-inverting input terminal of the operational amplifier L1 is also grounded through the capacitor C1; the inverting input terminal of the operational amplifier L1 passes through the resistor R2 Grounded and connected to the non-inverting input of operational amplifier L1 through resistor R3; the positive power supply terminal of operational
  • the fourth pin of the microprocessor 100 is connected to the cathode of the light-emitting diode D1; the anode of the light-emitting diode D1 is connected to the resistor R6. At one end, the other end of the resistor R6 is connected to the anode of the power supply module 200 and the source of the MOS transistor Q1. In an embodiment of the invention, through the light emitting diode D1 It can display different working states of the electronic cigarette.
  • the microprocessor 100 can control the LED signal of the 4th pin to make the LED D1 Presenting a fade-out effect to indicate that the electronic cigarette is in a smoking state; or when the air pressure sensor 600 detects that the smoking signal is stopped, the microprocessor 100 can control the LED signal by controlling the pulse signal of the fourth pin. D1 exhibits a dimming effect to indicate that the e-cigarette is in a state of cessation of smoking.
  • the diode D2 functions to prevent the power supply module 200 from being reversed. If the power supply module 200 In reverse, diode D2 is turned off to protect microprocessor 100.
  • the air pressure sensor 600 detects the smoking signal or the key switch 700 detects the input signal, it outputs a specific signal (for example, outputs a high level signal) to the second pin of the microprocessor 100; then the microprocessor 100
  • the power supply module 200 can be controlled to be electrically connected to the power supply wire of the load heating wire 501 to supply power to the load heating wire 501; in the power supply project, if a short circuit occurs (the 7th pin detection of the microprocessor 100)
  • the microprocessor 100 turns off the MOS transistor Q1 by controlling the voltage of the fifth pin connected to the MOS transistor Q1 to disconnect the power supply path of the power supply module 200 and the load heating wire 501;
  • the current supply current I 1 of the power supply module 200 to the load heating wire 501 can be obtained through the resistor R1; the current signal amplifying circuit 403 formed by the resistor R2, the resistor R3, the capacitor C1, the operational amplifier L1, and the capacitor C
  • FIG. 4 is a flow chart of a method for outputting constant power of an electronic cigarette according to an embodiment of the present invention.
  • the electronic cigarette includes: an atomizer, a power supply module, and a microprocessor, and the atomizer includes a load heating wire.
  • a power supply module is used to power the load heating wire to heat it.
  • the electronic cigarette constant power output method of the embodiment of the invention includes:
  • steps S2 and S3 can be performed by the microprocessor of the electronic cigarette to perform corresponding data processing to achieve its function.
  • the above steps S1 It can be realized by voltage and current detection modules.
  • the standard heating voltage in step S2 can be obtained in two ways:
  • the electronic cigarette When the electronic cigarette is in the working process, that is, when the power supply module supplies power to the load heating wire of the atomizer, according to the detected actual current I 1 , the corresponding current I 1 corresponding to the detected current is obtained in the correspondence table of voltage and current.
  • the voltage is used as the standard heating voltage U 0 .
  • a constant power P 0 ( W ) is preset and stored by the microprocessor 100.
  • I is the detected actual current I 1 .
  • the detection of the large current is amplified and then used. Get the standard heating voltage. Then, the correspondence table of voltage and current can be set as a correspondence table of the amplified current and voltage. A constant power P 0 is preset and stored to set the power P 0 corresponding to the amplified current.
  • the constant smoke output method of the electronic cigarette and the electronic cigarette according to the embodiment of the invention adopts a correspondence table of the inquiry voltage and the current or a combination of the standard heating voltage and the hardware detection voltage according to the set constant power to realize the constant power output.
  • the microprocessor detects the signal according to the air pressure sensor or the key switch as the basis for turning on and off the electronic cigarette; when the electronic cigarette is turned on (that is, the microprocessor receives the activation signal of the air pressure sensor or the key switch, And control the power supply module to supply the load of the atomizer to the heating wire), the hardware circuit (ie, the current detection module) 402 and current signal amplifying circuit 403 Entering the detected load current signal into the microprocessor, and the microprocessor queries the standard heating voltage corresponding to the detected actual current from the corresponding table of voltage and current according to the detected actual current value, or obtains a standard by calculation.
  • Hotter voltage; simultaneous hardware circuit (ie voltage detection module) 401 The actual voltage detected is input to the microprocessor. If the detected actual voltage is greater than the standard heating voltage that is queried or calculated, the microprocessor adjusts the output voltage to decrease, and vice versa, adjusts the output voltage to rise.
  • the constant power (the constant power is set according to the actual condition of the electronic cigarette) is output.
  • the microprocessor controls the output voltage rise and fall by adjusting the output of the pulse output of the microprocessor.
  • the effective value (root mean square value) of the voltage of the PWM pulse is realized.
  • the electronic cigarette of the embodiment of the invention further includes a short-circuit detecting module, which can perform short-circuit detection when the power supply module supplies power to the load heating wire of the atomizer to achieve the function of protecting the electronic cigarette power supply circuit.
  • the constant smoke output method of the electronic cigarette and the electronic cigarette according to the embodiment of the invention can output the electronic cigarette according to the set constant power, so that the working power of the atomizer load electric heating wire of each electronic cigarette in the mass production is uniform.
  • the amount of smoke and the consistency of each e-cigarette is better, and it can better meet the needs of consumers.

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Abstract

一种电子烟及电子烟恒定功率输出方法,电子烟包括雾化器(500),雾化器(500)包括负载电热丝,电子烟还包括给负载电热丝供电使其加热的供电模块(200)、微处理器(100)、与微处理器(100)电性连接的检测模块(400)和电压调整模块(300)。电子烟可以按照设定的恒定功率进行输出,使得批量生产中的每支电子烟的雾化器负载电热丝的工作功率一致,使得每支电子烟的烟雾量、口感一致性更好,能更好地满足消费者的需求。

Description

电子烟及电子烟恒定功率输出方法 技术领域
本发明涉及电子烟领域,更具体地说,涉及一种电子烟及电子烟恒定功率输出方法。
背景技术
电子烟是一种对烟液加热产生雾化,给吸烟者提供一种香烟的替代品。
电子烟在工作时,需要由电池给雾化器供电,以使雾化器的负载电热丝发热,而对烟液进行加热产生雾化。目前的电子烟电池给雾化器供电,主要采用全功率输出或恒压输出的供电方式,输出功率是随负载电热丝阻值变化而变化的。采用全功率输出方式时,输出功率随电池电压的降低而降低。采用恒压输出时,电子烟的输出功率随负载电热丝的阻值变化而变化。
且由于电子烟的批量生产中,每支电子烟的电热丝的阻值存在差异,因此,采用现有技术的供电方式,将使得不同的电子烟的电热丝的发热功率不一样,从而会导致不同电子烟的烟雾量、口感差异较大,不能很好满足消费者的需求。
发明内容
本发明要解决的技术问题在于,针对现有技术批量生产电子烟时,电子烟的发热功率不一样,而导致不同电子烟的烟雾量、口感差异较大的缺陷,提供一种电子烟及电子烟恒定功率输出方法。
本发明解决其技术问题所采用的技术方案是:构造一种电子烟,所述电子烟包括雾化器,所述雾化器包括负载电热丝,所述电子烟还包括用于给所述负载电热丝供电使其加热的供电模块,所述电子烟还包括:微处理器,与所述微处理器电性连接的检测模块和电压调整模块,其中,
所述检测模块用于实时检测所述加热过程中的实际电流和实际电压;
所述微处理器用于获取所述检测模块检测到的实际电流,并根据所述实际电流获取标准的加热电压;
所述微处理器还用于所述标准的加热电压与所述检测模块检测到的实际电压进行比较,若所述标准的加热电压和所述实际电压不相同,则控制所述电压调整模块调整所述加热过程中的实际电压,使其等于所述标准的加热电压以使输出功率等于预设的恒定功率。
优选的,所述微处理器还用于生成并存储一电压和电流的对应表,所述电压和电流的对应表中的任一电压与其对应的电流相乘得到的功率均等于所述预设的恒定功率;
所述微处理器根据所述实际电流获取标准的加热电压具体为:
所述微处理器在所述电压和电流的对应表中获取与所述实际电流对应的电压以作为所述标准的加热电压。
优选的,所述检测模块包括:电压检测模块、电流检测模块和电流信号放大电路;
所述电压检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电压检测以获得所述加热过程中的实际电压;
所述电流检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电流检测所述加热过程中的实际电流;
所述电流信号放大电路用于对所述电流检测模块检测到的实际电流进行放大。
优选的,所述微处理器的型号为 SN8P2711B ;所述电压调整模块包括: MOS 管;
MOS 管的源极接所述供电模块的正极、漏极接所述负载电热丝、栅极接所述微处理器的第 5 引脚。
优选的, 所述电流检测模块包括:第一电阻;所述电流信号放大电路包括:运算放大器、第二电阻和第三电阻;所述电压检测模块包括:第四电阻和第五电阻;
其中, 微处理器的第 6 引脚接运算放大器的输出端;运算放大器的同相输入端通过第一电阻接所述负载电热丝,并通过第一电阻接供电模块的负极;运算放大器的反相输入端通过第二电阻接地,并通过第三电阻接运算放大器的同相输入端;
微处理器的第 8 引脚通过第五电阻接地,并通过第四电阻接 MOS 管 Q1 的漏极和负载电热丝。
优选的,所述微处理器还用于预设并存储一恒定功率;
所述微处理器根据所述实际电流获取标准的加热电压具体为:
所述微处理器根据所述检测模块检测到的实际电流和所述恒定功率计算 得出一电压并将该电压作为所述 标准的加热电压 。
优选的, 所述微处理器通过公式 P=U×I 计算得出所述 标准的加热电压 ,其中, P 为所述预设的恒定功率, I 为所述检测模块检测得到的实际电流, U 为所述标准的加热电压。
优选的,所述检测模块包括:电压检测模块、电流检测模块和电流信号放大电路;
所述电压检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电压检测以获得所述加热过程中的实际电压;
所述电流检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电流检测所述加热过程中的实际电流;
所述电流信号放大电路用于对所述电流检测模块检测到的实际电流进行放大。
优选的,所述微处理器的型号为 SN8P2711B ;所述电压调整模块包括: MOS 管;
MOS 管的源极接所述供电模块的正极、漏极接所述负载电热丝、栅极接所述微处理器的第 5 引脚。
优选的, 所述电流检测模块包括:第一电阻;所述电流信号放大电路包括:运算放大器、第二电阻和第三电阻;所述电压检测模块包括:第四电阻和第五电阻;
其中, 微处理器的第 6 引脚接运算放大器的输出端;运算放大器的同相输入端通过第一电阻接所述负载电热丝,并通过第一电阻接供电模块的负极;运算放大器的反相输入端通过第二电阻接地,并通过第三电阻接运算放大器的同相输入端;
微处理器的第 8 引脚通过第五电阻接地,并通过第四电阻接 MOS 管 Q1 的漏极和负载电热丝 501 。
优选的,所述电子烟还包括:吸烟信号检测模块,用于检测吸烟信号;当所述吸烟信号检测模块检测到吸烟信号时,所述微处理器控制所述供电模块给所述负载电热丝供电使其加热。
优选的,所述吸烟信号检测模块为气压传感器或按键开关。
一种电子烟恒定功率输出方法,所述电子烟包括:微处理器、雾化器和供电模块,所述雾化器包括负载电热丝,所述供电模块用于给所述负载电热丝供电使其加热,所述方法包括:
实时检测所述加热过程中的实际电流和实际电压;
根据所述实际电流获取标准的加热电压;
将所述标准的加热电压与所述实际电压进行比较,若所述标准的加热电压和所述实际电压不相同,则调整所述加热过程中的实际电压,使其等于所述标准的加热电压以使输出功率等于预设的恒定功率。
优选的,所述方法还包括:生成并存储一电压和电流的对应表,所述对应表中的任一电压与其对应的电流相乘得到的功率均等于所述预设的恒定功率;
所述根据所述实际电流获取标准的加热电压具体包括:
在所述电压和电流的对应表中获取与所述实际电流对应的电压作为所述标准的加热电压。
优选的,所述方法还包括:预设并存储一恒定功率;
所述根据所述实际电流获取标准的加热电压具体包括:
将根据所述实际电流和所述恒定功率计算 得出的电压作为所述 标准的加热电压 。
优选的, 所述 将根据所述实际电流和所述恒定功率计算 得出的电压作为所述 标准的加热电压 具体为:
通过公式 P=U×I 计算得出所述 标准的加热电压 ,其中, P 为所述预设的恒定功率, I 为所述实际电流, U 为 所述 标准的加热电压。
实施本发明的电子烟及电子烟恒定功率输出方法,具有以下有益效果:电子烟可按照设定的恒定功率进行输出,可使得批量生产中的每支电子烟的雾化器负载电热丝的工作功率一致,使得每支电子烟的烟雾量、口感一致性更好,能更好的满足消费者的需求。
附图说明
下面将结合附图及实施例对本发明作进一步说明,附图中:
图 1 是本发明实施例的电子烟的结构图;
图 2 是本发明实施例的电子烟的详细结构图;
图 3 是本发明实施例的电子烟的电路图;
图 4 是本发明实施例的 电子烟恒定功率输出方法的流程图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解,现对照附图详细说明本发明的具体实施方式。
如图 1 所示,本发明实施例的可恒功率输出的电子烟包括:微处理器 100 、供电模块 200 、电压调整模块 300 、检测模块 400 、雾化器 500 。
其中,供电模块 200 分别与微处理器 100 和雾化器 500 相连接,电压调整模块 300 分别与微处理器 100 和供电模块 200 相连接,检测模块 400 分别与微处理器 100 、供电模块 200 和雾化器 500 相连接。其中雾化器 500 包括负载电热丝(图 1 中未示出),负载电热丝与供电模块 200 连接,当供电模块 200 给负载电热丝供电时,负载电热丝发热 对电子烟的烟液进行加热产生雾化。
检测模块 400 ,用于在供电模块 200 给雾化器 500 的负载电热丝供电使其加热的过程中,实时检测所述加热过程中的实际电流和实际电压。
微处理器 100 ,用于获取检测模块 400 检测到的实际电流,并根据所述实际电流获取标准的加热电压;还用于将所述标准的加热电压与检测模块 400 检测到的实际电压进行比较,若所述标准的加热电压和所述实际电压不相同,则控制电压调整模块 300 调整所述加热过程中的实际电压,使其等于所述标准的加热电压以使输出功率等于预设的恒定功率。
在本发明的实施例中,所述标准的加热电压可通过以下两种方式获得:
1 、由微处理器 100 生成并存储一电压和电流的对应表,该对应表中的任一电压与其对应的电流相乘得到的功率均为预设的恒定功率。具体的,微处理器 100 以设定的恒定功率和计算公式 P=U × I 生成功率恒定情况下的电压和电流对应表。
当电子烟处于工作工程中,即供电模块 200 给雾化器 500 供电时,检测模块 400 检测电流;微处理器 100 根据检测模块 400 检测的电流,在电压和电流的对应表中获取与该检测到的实际电流对应的电压作为标准的加热电压。
如表 1 所示,为本发明实施例的微处理器 100 生成并存储的电压和电流的对应表。表 1 中的电压、电流应根据负载电热丝的阻值具体设定。
表 1
电压( V ) 3.1-3.2 2.8-3.1 2.4-2.8 ……
电流( A ) 0.5-0.55 0.55-0.6 0.6-0.65 ……
功率( W ) 1.6 1.6 1.6 1.6
2 、由微处理器 100 预设并存储一恒定功率 P0 ( W ),当检测模块 400 检测到实际电流 I0 时,将根据公式 P=U×I 计算得出的电压作为 标准的加热电压 。其中,公式 P=U×I 中的 P 即为 P0 , I 即为检测模块 400 检测到的实际电流 I0
在本发明的实施例中,微处理器 100 对电压调整模块 100 施加控制,以调整所述加热过程中的实际电压具体通过以下方式实现:
若检测到的实际电压大于标准的加热电压,则说明供电模块 200 的输出功率高于预设的恒定功率,则需要降低电压以使得供电模块 200 输出功率降低。因此,电压调整模块 300 可通过降低电压调整供电模块 200 的输出功率使其以预设的恒定功率输出。
若检测到电压小于标准的加热电压,则说明供电模块 200 的输出功率小于预设的恒定功率,则需要升高电压以使得供电模块 200 的输出功率升高。因此,电压调整模块 300 可通过升高电压调整供电模块 200 的输出功率使其以预设的恒定功率输出。
参见图 2 ,为本发明实施例的可以恒定功率输出的电子烟的详细结构图。图 2 中的负载电热丝 501 即为雾化器 500 中的负载电热丝。检测模块 400 包括电压检测模块 401 和电流检测模块 402 。此外,由于电子烟的供电模块 200 在给负载电热丝 501 供电时的工作电流较小,为使电流检测模块 402 的电流检测结果更精确,检测模块 400 还包括电流信号放大电路 403 。电流信号放大电路 403 对电流检测模块 402 检测到的实际电流信号进行放大后,传输给微处理器 100 的一 I/O 口。
在本发明的实施例中,若对检测到的实际电流被放大后再传输给微处理器 100 ,则预设电压获得的两种方式中的第一种方式中,微处理器 100 中存储的电压和电流的对应表应为放大后的电流与电压的对应表;第二种方式中,预设的恒定功率 P0 应以放大后的电流为依据预设并存储,即 公式 P=U×I 中的 I 应为放大后的电流, P 应为与放大后的电流相对应的功率。
参见图 2 ,本发明实施例的电子烟还包括吸烟信号检测模块(图 2 中未示出)、短路检测模块 800 。吸烟信号检测模块,用于检测吸烟信号;当吸烟信号检测模块检测到吸烟信号时,微处理器 100 控制供电模块 200 给负载电热丝 501 供电。吸烟信号检测模块包括气压传感器 600 或按键开关 700 。
参见图 2 ,本发明实施例的电子烟的工作过程如下:
气压传感器 600 检测到吸烟信号(即用户吸烟时产生的气流信号)或按键开关 700 检测到按键信号后将信号传输给微控制器 100 ;微处理器 100 即控制供电模块 200 与负载电热丝 501 的供电通路导通,以使负载电热丝 501 发热对电子烟中的烟液加热雾化而模拟吸烟过程;供电模块 200 在给负载电热丝 501 供电的过程中,电压检测模块 401 检测得到实际电压 U1 并传输给微处理器 100 ;电流检测模块 402 检测得到实际电流 I1 ,电流信号放大电路 403 对电流检测模块 402 检测到的实际电流 I1 进行放大得到电流 I2 并传输给微处理器 100 ;微处理器 100 根据电流 I2 ,通过查询电压和电流对应表或通过计算得到标准的加热电压 U0 ;微处理器 100 将标准的加热电压 U0 和实际电压 U1 进行比较,若 U1>U0 ,则微处理器 100 控制电压调整模块 300 调节输出电压下降;若 U1<U0 ,则微处理器 100 控制电压调整模块 300 调节输出电压上升,以此实现以预设的恒定功率输出;在供电模块 200 给负载电热丝 501 供电的过程中,短路检测模块 800 进行短路检测,若发生短路情况,则微处理器 100 控制供电通路断开,以保护电子烟的供电通路。
参见图 3 为本发明实施例的电子烟的电路图。在本发明的实施例中,微处理器 100 的 型号为 SN8P2711B ,供电模块 200 为电池,电压调整模块 300 包括 MOS 管 Q1 。
参见图 3 , MOS 管 Q1 的源极接供电模块 200 的正极、漏极接负载电热丝 501 、栅极接微处理器 100 的第一脉冲输出端(即微处理器 100 的第 5 引脚);微处理器 100 的第 8 引脚分别通过电阻 R5 和电容 C3 接地,并通过电阻 R4 接 MOS 管 Q1 的漏极和负载电热丝 501 ,以进行电压检测;微处理器 100 的第 7 引脚通过电阻 R7 接 MOS 管 Q1 的漏极及负载电热丝 501 ,以进行短路检测;微处理器 100 的第 6 引脚接运算放大器 L1 的输出端,以及通过电容 C2 接地;运算放大器 L1 的同相输入端通过电阻 R1 接负载电热丝 501 ,并通过串联的电阻 R1 和电阻 R8 接供电模块 200 的负极;运算放大器 L1 的同相输入端还通过电容 C1 接地;运算放大器 L1 的反相输入端通过电阻 R2 接地,并通过电阻 R3 接运算放大器 L1 的同相输入端;运算放大器 L1 的正电源端接 VDD 端( VDD 端的电压可为 5V )、负电源端接地;微处理器 100 的第 2 引脚接气压传感器 600 或按键开关 700 的一端,气压传感器 600 或按键开关 700 的另一端接供电模块 200 ;微处理器 100 的第 1 引脚接二极管 D2 的阴极,并通过电容 C4 接地;二极管 D2 的阳极接供电模块 200 的正极和 MOS 管 Q1 的源极;微处理器 100 的第 10 引脚接地。
此外,微处理器 100 的第 4 引脚接发光二极管 D1 的阴极;发光二极管 D1 的阳极接电阻 R6 的一端,电阻 R6 的另一端接供电模块 200 的正极及 MOS 管 Q1 的源极。在本发明的实施例中,通过发光二极管 D1 ,可显示电子烟的不同工作状态,例如,当气压传感器 600 检测到吸烟信号时,微处理器 100 可通过控制第 4 引脚的脉冲信号,使得发光二极管 D1 呈现渐亮的效果,以指示电子烟处于吸烟状态;或当气压传感器 600 检测到吸烟信号停止时,微处理器 100 可通过控制第 4 引脚的脉冲信号,使得发光二极管 D1 呈现渐暗的效果,以指示电子烟处于停止吸烟状态。
在本发明的实施例中,二极管 D2 可起到防止供电模块 200 反接的作用。若供电模块 200 反接,则二极管 D2 截止,可起到保护微处理器 100 的作用。
在工作过程中:当气压传感器 600 检测到吸烟信号或按键开关 700 检测到输入信号,则输出特定信号(例如输出高电平信号)给微处理器 100 的第 2 引脚;则微处理器 100 通过控制 MOS 管 Q1 导通,可控制供电模块 200 与负载电热丝 501 的供电通路导通以给负载电热丝 501 供电;在供电工程中,若发生短路(微处理器 100 的第 7 引脚检测到的电压为零),则微处理器 100 通过控制与 MOS 管 Q1 连接的第 5 引脚的电压使得 MOS 管 Q1 截止,以断开供电模块 200 与负载电热丝 501 的供电通路;在供电过程中,通过电阻 R1 可获得供电模块 200 给负载电热丝 501 的实际供电电流 I1 ;电阻 R2 、电阻 R3 、电容 C1 、运算放大器 L1 、电容 C2 构成的电流信号放大电路 403 ,对可电流 I1 进行放大并传输给微处理器 100 的第 6 引脚;微处理器 100 根据第 6 引脚的电流,并 通过查询电流和电压对应表或计算得到标准的加热电压 U0 ;微处理器 100 将 U0 与第 8 引脚检测到的实际电压 U1 (电阻 R4 、电阻 R5 和电容 C3 构成电压检测模块 401 ,可对电压进行检测并传输给第 8 引脚)进行比较;若 U1>U0 ,则微处理器 100 控制第 5 引脚输出的脉冲信号以使得 MOS 管 Q1 调节输出电压下降;若 U1<U0 ,则微处理器 100 控制第 5 引脚输出的脉冲信号以使得 MOS 管 Q1 调节输出电压上升,以此实现供电模块 200 以恒定功率给负载电热丝 501 供电。
参见图 4 为本发明实施例的电子烟恒定功率输出方法的流程图。
在本发明的实施例中,电子烟包括:雾化器、供电模块和微处理器,雾化器包括负载电热丝。供电模块用于给所述负载电热丝供电使其加热。本发明实施例的电子烟恒定功率输出方法包括:
S1 、实时检测所述加热过程中的实际电流和实际电压;
S2 、根据所述实际电流获取标准的加热电压;
S3 、将所述标准的加热电压与所述实际电压进行比较,若所述标准的加热电压和所述实际电压不相同,则调整所述加热过程中的实际电压,使其等于所述标准的加热电压以使输出功率等于预设的恒定功率。
应理解上述步骤 S2 和 S3 可由电子烟的微处理器充当执行相应的数据处理以实现其功能。上述步骤 S1 可由电压、电流检测模块实现。
在本发明的实施例中,步骤 S2 中的标准的加热电压可通过以下两种方式获得:
1 、由微处理器 100 生成并存储一电压和电流的对应表,该对应表中的任一电压与其对应的电流相乘得到的功率均等于预设的恒定功率。具体的,微处理器 100 以设定的恒定功率和计算公式 P=U × I 生成功率恒定情况下的电压和电流对应表。
当电子烟处于工作工程中,即供电模块给雾化器的负载电热丝供电时,根据检测到的实际电流 I1 ,在电压和电流的对应表中获取与该检测到的实际电流 I1 对应的电压作为标准的加热电压 U0
2 、由微处理器 100 预设并存储一恒定功率 P0 ( W ),当检测到电流 I1 时,将根据公式 P=U×I 计算得出的电压作为标准的加热电压 U0 。其中,公式 P=U×I 中的 P 即为 P0 , I 即为检测到的实际电流 I1
在本发明的实施例中,由于电子烟工作时的电流 I1 (即检测到的实际电流)较小,因此,为了使得检测到的实际电流更加精确,将检测大电流进行放大后再用于获取标准的加热电压。则可将电压和电流的对应表,设置为经放大后的电流和电压的对应表。将预设并存储一恒定功率 P0 设置与经放大后的电流对应的功率 P0
本发明实施例的电子烟及电子烟恒定功率输出方法,采用查询电压和电流的对应表或根据设定的恒定功率计算标准加热电压与硬件检测电压相结合的方式,实现恒功率输出。
在本发明的实施例中,微处理器根据气压传感器或按键开关检测到的信号作为开启和关闭电子烟的依据;当电子烟开启(即微处理器接收到气压传感器或按键开关的启动信号,并控制供电模块给雾化器的负载电热丝供电时),硬件电路(即电流检测模块 402 和电流信号放大电路 403 )将检测到的负载电流信号输入微处理器,微处理器根据检测到的实际电流值从电压和电流的对应表中查询与检测到的实际电流对应的标准的加热电压,或通过计算获得标准的较热电压;同时硬件电路(即电压检测模块 401 )将检测到的实际电压输入到微处理器,若检测到的实际电压大于查询到或计算出的标准的加热电压,则微处理器调节输出电压下降,反之则调节输出电压上升,以此实现恒定功率(该恒定功率是根据电子烟的实际情况设定的)输出。在本发明的实施例中,微处理器控制输出电压上升和下降是通过调节微处理器的脉冲输出端输出的 PWM 脉冲的电压的有效值(均方根值)来实现的。
此外,本发明实施例的电子烟还包括短路检测模块,可实现在供电模块给雾化器的负载电热丝供电时,进行短路检测,以达到保护电子烟供电电路的作用。
本发明实施例的电子烟及电子烟恒定功率输出方法,可使电子烟按照设定的恒定功率进行输出,可使得批量生产中的每支电子烟的雾化器负载电热丝的工作功率一致,使得每支电子烟的烟雾量、口感一致性更好,能更好的满足消费者的需求。
上面结合附图对本发明的实施例进行了描述,但是本发明并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本发明的启示下,在不脱离本发明宗旨和权利要求所保护的范围情况下,还可做出很多形式,这些均属于本发明的保护之内。

Claims (16)

  1. 一种电子烟,所述电子烟包括雾化器,所述雾化器包括负载电热丝,所述电子烟还包括用于给所述负载电热丝供电使其加热的供电模块,其特征在于,所述电子烟还包括:微处理器,与所述微处理器电性连接的检测模块和电压调整模块,其中,
    所述检测模块用于实时检测所述加热过程中的实际电流和实际电压;
    所述微处理器用于获取所述检测模块检测到的实际电流,并根据所述实际电流获取标准的加热电压;
    所述微处理器还用于将所述标准的加热电压与所述检测模块检测到的实际电压进行比较,若所述标准的加热电压和所述实际电压不相同,则控制所述电压调整模块调整所述加热过程中的实际电压,使其等于所述标准的加热电压以使输出功率等于预设的恒定功率。
  2. 根据权利要求 1 所述的电子烟,其特征在于,所述微处理器还用于生成并存储一电压和电流的对应表,所述电压和电流的对应表中的任一电压与其对应的电流相乘得到的功率均等于所述预设的恒定功率;
    所述微处理器根据所述实际电流获取标准的加热电压具体为:
    所述微处理器在所述电压和电流的对应表中获取与所述实际电流对应的电压以作为所述标准的加热电压。
  3. 根据权利要求 2 所述的电子烟,其特征在于,所述检测模块包括:电压检测模块、电流检测模块和电流信号放大电路;
    所述电压检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电压检测以获得所述加热过程中的实际电压;
    所述电流检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电流检测所述加热过程中的实际电流;
    所述电流信号放大电路用于对所述电流检测模块检测到的实际电流进行放大。
  4. 根据权利要求 3 所述的电子烟,其特征在于,所述微处理器的型号为 SN8P2711B ;所述电压调整模块包括: MOS 管( Q1 );
    MOS 管( Q1 )的源极接所述供电模块的正极、漏极接所述负载电热丝、栅极接所述微处理器的第 5 引脚。
  5. 根据权利要求 4 所述的电子烟,其特征在于, 所述电流检测模块包括:第一电阻( R1 );所述电流信号放大电路包括:运算放大器( L1 )、第二电阻( R2 )和第三电阻( R3 );所述电压检测模块包括:第四电阻( R4 )和第五电阻( R5 );
    其中, 微处理器的第 6 引脚接运算放大器( L1 )的输出端;运算放大器( L1 )的同相输入端通过第一电阻( R1 ) 接所述负载电热丝,并通过第一电阻( R1 ) 接供电模块的负极;运算放大器( L1 )的反相输入端通过第二电阻( R2 ) 接地,并通过第三电阻( R3 )接运算放大器( L1 )的同相输入端;
    微处理器的第 8 引脚通过第五电阻( R5 ) 接地,并通过第四电阻( R4 ) 接 MOS 管 Q1 的漏极和负载电热丝。
  6. 根据权利要求 1 所述的电子烟,其特征在于,所述微处理器还用于预设并存储一恒定功率;
    所述微处理器根据所述实际电流获取标准的加热电压具体为:
    所述微处理器根据所述检测模块检测到的实际电流和所述恒定功率计算得出一电压并将该电压作为所述 标准的加热电压 。
  7. 根据权利要求 6 所述的电子烟,其特征在于, 所述微处理器通过公式 P=U×I 计算得出所述 标准的加热电压 ,其中, P 为所述预设的恒定功率, I 为所述检测模块检测得到的实际电流, U 为所述标准的加热电压。
  8. 根据权利要求 7 所述的电子烟,其特征在于,所述检测模块包括:电压检测模块、电流检测模块和电流信号放大电路;
    所述电压检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电压检测以获得所述加热过程中的实际电压;
    所述电流检测模块,用于在所述供电模块给所述负载电热丝供电使其加热的过程中进行电流检测所述加热过程中的实际电流;
    所述电流信号放大电路用于对所述电流检测模块检测到的实际电流进行放大。
  9. 根据权利要求 8 所述的电子烟,其特征在于,所述微处理器的型号为 SN8P2711B ;所述电压调整模块包括: MOS 管( Q1 );
    MOS 管( Q1 )的源极接所述供电模块的正极、漏极接所述负载电热丝、栅极接所述微处理器的第 5 引脚。
  10. 根据权利要求 9 所述的电子烟,其特征在于, 所述电流检测模块包括:第一电阻( R1 );所述电流信号放大电路包括:运算放大器( L1 )、第二电阻( R2 )和第三电阻( R3 );所述电压检测模块包括:第四电阻( R4 )和第五电阻( R5 );
    其中, 微处理器的第 6 引脚接运算放大器( L1 )的输出端;运算放大器( L1 )的同相输入端通过第一电阻( R1 ) 接所述负载电热丝,并通过第一电阻( R1 ) 接供电模块的负极;运算放大器( L1 )的反相输入端通过第二电阻( R2 ) 接地,并通过第三电阻( R3 )接运算放大器( L1 )的同相输入端;
    微处理器的第 8 引脚通过第五电阻( R5 ) 接地,并通过第四电阻( R4 ) 接 MOS 管 Q1 的漏极和负载电热丝 501 。
  11. 根据权利要求 1 所述的电子烟,其特征在于,所述电子烟还包括:吸烟信号检测模块,用于检测吸烟信号;当所述吸烟信号检测模块检测到吸烟信号时,所述微处理器控制所述供电模块给所述负载电热丝供电使其加热。
  12. 根据权利要求 11 所述的电子烟,其特征在于,所述吸烟信号检测模块为气压传感器或按键开关。
  13. 一种电子烟恒定功率输出方法,所述电子烟包括:微处理器、雾化器和供电模块,所述雾化器包括负载电热丝,所述供电模块用于给所述负载电热丝供电使其加热,其特征在于,所述方法包括:
    实时检测所述加热过程中的实际电流和实际电压;
    根据所述实际电流获取标准的加热电压;
    将所述标准的加热电压与所述实际电压进行比较,若所述标准的加热电压和所述实际电压不相同,则调整所述加热过程中的实际电压,使其等于所述标准的加热电压以使输出功率等于预设的恒定功率。
  14. 根据权利要求 13 所述的电子烟恒定功率输出方法,其特征在于,所述方法还包括:生成并存储一电压和电流的对应表,所述对应表中的任一电压与其对应的电流相乘得到的功率均等于所述预设的恒定功率;
    所述根据所述实际电流获取标准的加热电压具体包括:
    在所述电压和电流的对应表中获取与所述实际电流对应的电压作为所述标准的加热电压。
  15. 根据权利要求 14 所述的电子烟恒定功率输出方法,其特征在于,所述方法还包括:预设并存储一恒定功率;
    所述根据所述实际电流获取标准的加热电压具体包括:
    将根据所述实际电流和所述恒定功率计算 得出的电压作为所述 标准的加热电压 。
  16. 根据权利要求 15 所述的电子烟恒定功率输出方法,其特征在于, 所述 将根据所述实际电流和所述恒定功率计算 得出的电压作为所述 标准的加热电压 具体为:
    通过公式 P=U×I 计算得出所述 标准的加热电压 ,其中, P 为所述预设的恒定功率, I 为所述实际电流, U 为所述 标准的加热电压。
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