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WO2018033119A1 - 电子烟及其供电电路 - Google Patents

电子烟及其供电电路 Download PDF

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Publication number
WO2018033119A1
WO2018033119A1 PCT/CN2017/097870 CN2017097870W WO2018033119A1 WO 2018033119 A1 WO2018033119 A1 WO 2018033119A1 CN 2017097870 W CN2017097870 W CN 2017097870W WO 2018033119 A1 WO2018033119 A1 WO 2018033119A1
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WO
WIPO (PCT)
Prior art keywords
circuit
voltage
power supply
electronic cigarette
boosting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/097870
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English (en)
French (fr)
Inventor
邱伟华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joyetech Europe Holding GmbH
Changzhou Jwei Intelligent Technology Co Ltd
Original Assignee
Joyetech Europe Holding GmbH
Changzhou Jwei Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Joyetech Europe Holding GmbH, Changzhou Jwei Intelligent Technology Co Ltd filed Critical Joyetech Europe Holding GmbH
Priority to CN201780028871.6A priority Critical patent/CN109661183A/zh
Priority to EP17841091.6A priority patent/EP3485746A4/en
Priority to US16/326,184 priority patent/US20190183186A1/en
Publication of WO2018033119A1 publication Critical patent/WO2018033119A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • 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
    • A24F40/10—Devices using liquid inhalable precursors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

Definitions

  • the present invention relates to the field of electronic cigarette technology, and in particular to an electronic cigarette and a power supply circuit thereof.
  • the functional modules of the electronic cigarette generally include a microcontroller, an output stage switching circuit, and an atomizing circuit.
  • the electronic cigarette uses a microcontroller to control the working process of various circuits.
  • the prior art adopts a boosting circuit method, and is connected with a microcontroller, a liquid crystal display, and an output switching circuit, so that power supply interference occurs between the respective electric power units, for example, when the output switching circuit is interfered with by a load or short-circuited, and the circuit is broken.
  • the microcontroller power supply will be affected by it.
  • a first aspect of the present invention provides an electronic cigarette power supply circuit including a power supply circuit, and further comprising:
  • a first boosting circuit connected to the power supply circuit to boost a voltage output by the power supply circuit to a first voltage
  • a voltage stabilizing circuit connected to the output end of the first boosting circuit, and the input first voltage is subjected to voltage stabilization processing to provide a microcontroller to the electronic cigarette;
  • a second boosting circuit connected to the power supply circuit to boost a voltage outputted by the power supply circuit to a second voltage; the second voltage is used to provide an output stage switching circuit and a display circuit for the electronic cigarette;
  • the first boosting circuit and the second boosting circuit are both controlled by a control signal of the electronic cigarette's microcontroller.
  • the power supply circuit includes power and protection circuits that are sequentially connected.
  • the first boosting circuit includes a first boosting unit and a first switching unit, and an input end of the first boosting unit inputs a voltage output by the power supply circuit, and outputs a boosted voltage. a first voltage to an input end of the first switching unit; the first boosting unit and the first switch The element is controlled by a control signal of the microcontroller;
  • the second boosting circuit includes a second boosting unit and a second switching unit, wherein an input end of the second boosting unit inputs a voltage output by the power supply circuit, and outputs a boosted second voltage to the An input terminal of the second switching unit; the second boosting unit and the second switching unit are controlled by a control signal of the microcontroller.
  • the first boosting unit and the second boosting unit comprise a boost converter chip and its peripheral devices.
  • the boost converter chip uses an integrated circuit chip TPS61040;
  • the integrated circuit chip TPS61040 The integrated circuit chip TPS61040:
  • An inductor L1 is connected between the pins 1 and 5, and the pin 1 is also connected to the anode of the diode D1;
  • Pin 2 is connected to the common terminal of the series-dividing resistors R1, R2; the voltage dividing resistors R1, R2 are connected in series between the cathode of the diode D1 and the ground; a capacitor is also connected between the cathode of the diode and the pin 2 C1;
  • Pin 3 is grounded; a capacitor C2 is also connected between the cathode of the diode and the pin 3;
  • Pin 4 is grounded through resistor R3 and introduces the control signal
  • Pin 5 is connected to the power supply circuit and is also grounded through the capacitor bank.
  • the first switching unit employs an integrated circuit chip UMC3N; of the integrated circuit chip UMC3N of the first switching unit:
  • Pin 2 accesses the control signal
  • Pin 3 is connected to the output of the boosting unit
  • Pin 4 is connected to the voltage stabilizing circuit as an output of the first boosting circuit.
  • the voltage stabilizing circuit comprises an integrated circuit chip XC6202P332MB.
  • a second aspect of the present invention provides an electronic cigarette including a microcontroller, an output stage switching circuit, an atomizing circuit, and a display circuit, wherein the microcontroller controls the output stage switching circuit to control the atomizing circuit, and further The electronic cigarette power supply circuit of any of the above first aspects, wherein:
  • the voltage stabilizing circuit is connected to the microcontroller to supply power to the microcontroller;
  • the second boosting circuit is respectively connected to the output stage switching circuit and the display circuit, and simultaneously Powering the output stage switching circuit and the display circuit.
  • a reverse protection diode is further connected between the output of the power supply circuit and the microcontroller.
  • the method further includes a temperature sensing circuit connected to the microcontroller, configured to detect an operating temperature of the atomizing circuit, when an operating temperature of the atomizing circuit exceeds a preset threshold The microcontroller then turns off the atomizing circuit.
  • a third aspect of the present invention provides an electronic cigarette power supply method, wherein the power supply method is used in the electronic cigarette according to any one of the second aspects of the present invention, the method comprising:
  • the voltage outputted by the power supply circuit is boosted to a first voltage by the first boosting circuit, and the first voltage is regulated by the voltage stabilizing circuit, and the a voltage is supplied to the microcontroller of the electronic cigarette;
  • the voltage output by the power supply circuit is boosted to a second voltage by the second boosting circuit, and the second voltage is supplied to an output stage switching circuit and a display circuit of the electronic cigarette.
  • a fourth aspect of the present invention provides an electronic cigarette power supply circuit including a power supply circuit, further comprising:
  • a first boosting circuit connected to the power supply circuit for boosting a voltage output by the power supply circuit to a first voltage, and supplying the first voltage to a microcontroller of the electronic cigarette;
  • a second boosting circuit connected to the power supply circuit for boosting a voltage output by the power supply circuit to a second voltage, and supplying the second voltage to an output stage switching circuit of the electronic cigarette.
  • the second boosting circuit is further configured to provide the second voltage to the display circuit of the electronic cigarette.
  • a voltage stabilizing circuit is further connected to the output end of the first boosting circuit, and the input first voltage is regulated to provide an electronic cigarette. Microcontroller.
  • the power supply circuit includes power and protection circuits that are sequentially connected.
  • the first boosting circuit includes a first boosting unit and a first switching unit, and an input end of the first boosting unit inputs a voltage output by the power supply circuit, and outputs a boosted voltage.
  • the first voltage is to an input end of the first switching unit.
  • the second boosting circuit includes a second boosting unit and a second switch And inputting, by the input end of the second boosting unit, a voltage output by the power circuit, and outputting the boosted second voltage to an input end of the second switching unit.
  • a fifth aspect of the present invention provides an electronic cigarette including a microcontroller, an output stage switching circuit, and an atomizing circuit, wherein the microcontroller controls the output stage switching circuit to control an atomizing circuit, and further includes the present invention
  • the electronic cigarette further includes a temperature sensing circuit connected to the microcontroller, the temperature sensing circuit is configured to detect an operating temperature of the atomizing circuit, when an operating temperature of the atomizing circuit When the preset threshold is exceeded, the microcontroller turns off the atomizing circuit.
  • a sixth aspect of the present invention provides an electronic cigarette power supply method, wherein the power supply method is used in the electronic cigarette according to any of the fifth aspects of the present invention, the method comprising:
  • the voltage output by the power supply circuit is boosted to a second voltage by the second boosting circuit, and the second voltage is supplied to an output stage switching circuit of the electronic cigarette.
  • the electronic cigarette and the power supply circuit thereof use the first boosting circuit and the second boosting circuit to supply power to the microcontroller, the output stage switching circuit and the display circuit respectively, so that the instantaneous voltage of the atomizing circuit rises when the user smokes It will not cause the voltage drop of the microcontroller, making the operating voltage of the microcontroller more stable.
  • FIG. 1 is a partial block diagram of an electronic cigarette according to an embodiment
  • FIG. 2 is a block diagram of another electronic cigarette corresponding to FIG. 1;
  • FIG. 3 is a block diagram of the first boosting circuit and the second boosting circuit of FIG. 2;
  • FIG. 4 is a schematic diagram of the first booster circuit of FIG. 2.
  • FIG. 1 it is a partial block diagram of an electronic cigarette of an embodiment.
  • the electronic cigarette includes a microcontroller 100, an output stage switching circuit 200, an atomizing circuit 300, a display circuit 400, and a power supply circuit 500.
  • the microcontroller 100 controls the output stage switching circuit 200 to perform atomization control on the atomizing circuit 300 to atomize the smoke oil into smoke when the user smokes.
  • the power supply circuit 500 is coupled to the microcontroller 100, the output stage switching circuit 200, and the display circuit 400, and provides respective operating voltages.
  • the electronic cigarette does not include the display circuit 400.
  • the power supply circuit 500 includes a power supply circuit 510, a first boosting circuit 520, a voltage stabilizing circuit 530, and a second boosting circuit 540.
  • the power supply circuit 510 includes a power supply 512 and a protection circuit 514 that are sequentially connected.
  • the power source 512 can be a lithium battery.
  • the first boosting circuit 520 is connected to the power supply circuit 510 to boost the voltage output from the power supply circuit 510 to the first voltage.
  • the voltage stabilizing circuit 530 is connected to the output end of the first boosting circuit 520, and the input first voltage is subjected to voltage stabilization processing to be supplied to the microcontroller 100 of the electronic cigarette.
  • the second boosting circuit 540 is connected to the power supply circuit 510, and boosts the voltage output from the power supply circuit 510 to a second voltage to be supplied to the output stage switching circuit 200 and the display circuit 400 of the electronic cigarette.
  • the first boosting circuit 520 and the second boosting circuit 540 are both controlled by the control signal of the electronic cigarette microcontroller 100.
  • the foregoing only uses the first booster circuit 520 and the microcontroller 100 to be connected through the voltage regulator circuit 530.
  • the first booster circuit 520 can also directly connect to the microcontroller 100, and the first The first voltage boosted by a boost circuit 520 is directly provided to the microcontroller 100. That is, the first boosting circuit 520 is connected to the power supply circuit 510, and boosts the voltage output by the power supply circuit 510 to a first voltage, and the output end of the first boosting circuit 520 and the micro The controller 100 is coupled to provide the first voltage to the microcontroller 100 of the electronic cigarette.
  • the second boosting circuit 540 is connected to the power supply circuit 510, boosts a voltage output by the power supply circuit 510 to a second voltage, and the second boosting circuit 540 and the electronic A voltage stabilizing circuit is connected between the output stage switching circuits 200 of the smoke, the voltage stabilizing circuit is configured to perform voltage stabilization processing on the second voltage, and supply the processed second voltage to the output stage switching circuit 200 .
  • the second boosting circuit 540 is connected to the power circuit 510, and boosts a voltage output by the power circuit 510 to a second voltage to provide the electronic cigarette.
  • the output stage switching circuit 200, the second boosting circuit 540 in this embodiment does not provide the second voltage to the display circuit 400.
  • the embodiment may be implemented when the electronic cigarette does not include the display circuit 400, or when the electronic cigarette includes the display circuit 400; and if the electronic cigarette includes the display circuit 400 and the second boosting circuit 540 does not speak The second voltage is supplied to the display circuit 400.
  • the voltage supply circuit 500 may further include a voltage for boosting the output of the power circuit, and then the boosted voltage is supplied to the display circuit 400, and details are not described herein.
  • the electronic cigarette and the power supply circuit thereof are divided into two paths by a first booster circuit 520 for supplying power to the microcontroller 100 and a second booster circuit for supplying power to the output stage switch circuit 200.
  • a first booster circuit 520 for supplying power to the microcontroller 100
  • a second booster circuit for supplying power to the output stage switch circuit 200.
  • the power supply interference between the microcontroller 100 and the output stage switching circuit 200 is avoided, so that the instantaneous voltage drop caused by the output stage switching circuit 200 when controlling the atomizing circuit 300 does not affect the micro control. 100. It is ensured that the microcontroller 100 has a stable operating voltage. Similarly, the microcontroller 100 does not affect the voltage of the output stage switching circuit 200 when it is operating.
  • the first boosting circuit 520 can include a first boosting unit 522 and a first switching unit 524.
  • An input end of the first boosting unit 522 inputs a voltage output by the power supply circuit 510, and is boosted to obtain a first voltage, and outputs the first voltage to an input end of the first switching unit 524,
  • the output of the first switching unit 524 is connected to the voltage stabilizing circuit 530 as an output of the first boosting circuit 520.
  • the first boosting unit 522 and the first switching unit 524 are controlled by the same control signal output by the microcontroller 100. It can be understood that the control signal is the same as the control signal that the microcontroller 100 controls the first booster circuit 520.
  • the second boosting circuit 540 may include a second boosting unit 542 and a second switching unit 544.
  • An input end of the second boosting unit 542 inputs a voltage output by the power supply circuit 510, and is boosted to obtain a second voltage, and outputs the second voltage to an input end of the second switching unit 544,
  • the output of the second switching unit 544 serves as an output of the second boosting circuit 540.
  • the second boosting unit 542 and the second switching unit 544 are controlled by the same control signal output by the microcontroller 100. It can be understood that the control signal is the same as the control signal of the microcontroller 100 controlling the second boosting circuit 540.
  • first boosting circuit 520 and the second boosting circuit 540 can also take other forms.
  • the first boosting unit 522 and the first boosting unit 542 may include a boost converter core.
  • the chip and its peripheral devices refers to a device connected to the boost converter chip for detecting or transmitting a signal, such as the inductor L1, the resistor R1, the resistor R2, the resistor R3, and the capacitor C1, which are described below. Capacitor C2 and so on.
  • the first boosting unit 522 and the second boosting unit 542 each adopt a circuit that uses the integrated circuit chip TPS61040.
  • the first booster circuit 520 will be described as an example.
  • the integrated circuit chip TPS61040 As shown in FIG. 4, the integrated circuit chip TPS61040:
  • An inductor L1 is connected between the pins 1 and 5, and the pin 1 is also connected to the anode of the diode D1;
  • the pin 2 is connected to the common terminal of the series voltage dividing resistor R1 and the voltage dividing resistor R2; the voltage dividing resistor R1 and the voltage dividing resistor R2 are connected in series between the cathode of the diode D1 and the ground; the cathode and the lead of the diode D1 A capacitor C1 is also connected between the feet 2;
  • Pin 3 is grounded; a capacitor C2 is also connected between the cathode of the diode D1 and the pin 3;
  • Pin 4 is grounded through resistor R3 and introduces control signal VCC_EN;
  • Pin 5 is connected to power supply circuit 510 and is also grounded through a capacitor bank.
  • the boost converter chip can also sample other types of integrated circuit chips and their adapted peripheral circuits.
  • the first switching unit 524 and the second switching unit 544 adopt an integrated circuit chip UMC3N; taking the first switching unit 524 as an example, the integrated circuit chip UMC3N used by the first switching unit 524 is:
  • Pin 2 is connected to the control signal VCC_EN;
  • the pin 3 is connected to the output end of the first boosting unit 522;
  • Pin 4 is connected to the voltage stabilizing circuit as an output of the first boosting circuit.
  • Pin 2 is connected to the control signal VCC_EN;
  • the pin 3 is connected to the output end of the first boosting unit 542;
  • Pin 4 is coupled to the input of output stage switching circuit 200 as the output of second boost circuit 540.
  • first switch unit 524 and the second switch unit 544 can also adopt other types of integrated circuit chips that can perform the same function.
  • the voltage stabilizing circuit 530 includes an integrated circuit chip XC6202P332MB.
  • a reverse protection diode is further connected between the output end of the power supply circuit 510 and the microcontroller 100 to reversely protect the power supply of the microcontroller 100.
  • the second boosting circuit 540 can be activated to supply power to the display circuit to display various information of the electronic cigarette.
  • the power supply circuit 510 directly supplies power to the microcontroller 100, and the first boost circuit 520 is turned off to save energy.
  • a temperature sensing circuit 600 coupled to the microcontroller 100 is also included. As shown in FIG. 2, the temperature sensor circuit 600 can be powered by the voltage stabilizing circuit 530. The temperature sensing circuit 600 is configured to detect an operating state (operating temperature) of the atomizing circuit 300. When the operating temperature of the atomizing circuit 300 exceeds a preset threshold, the microcontroller 100 turns off the atomizing circuit. 300. .
  • the electronic cigarette may further include an electric unit such as an air flow sensor and an electric lamp.
  • a third boosting circuit may be further provided, and the boosting circuit such as the fourth boosting circuit is the pressure sensor and the electric lamp. Wait for the power unit to supply power.
  • the line VCC_BAR is connected to the positive pole of the 3.7V lithium battery, and the negative side of the lithium battery is grounded.
  • the line VCC_EN is connected to the control pin of the microcontroller 100, and the microcontroller 100 controls the boost circuit (including the first boost circuit 520 and the second boost circuit 540) to be turned on and off.
  • the microcontroller 100 When the user smokes, the microcontroller 100 sets the line VCC_EN to a high level, and the boost circuit is activated. When the electronic cigarette enters the standby state, the microcontroller 100 sets the line VCC_EN to a low level, and the boost circuit is turned off.
  • the boost converter chip TPS61040 automatically generates an oscillation between pin 1 and pin 2, and the oscillation acts on the inductor L1, so that a self-induced electromotive force is generated on the inductor L1, and the electromotive force is superimposed on the original battery 3.7V. The voltage rises.
  • Integrated circuit chip UMC3N Controlled by line VCC_EN when line VCC_EN is set high (ie, boost circuit is activated), integrated circuit chip UMC3N pin 3 and pin 4 are turned on, boost unit supplies power to other circuits; line VCC_EN is set to low power Normally (ie, the boost circuit is turned off), the circuit chip UMC3N pin 3 and pin 4 are turned off, and the output terminal has no voltage output.
  • the present invention also provides an electronic cigarette power supply method, the electronic cigarette having the same structure as the electronic cigarette (shown in FIG. 2) described above, and details are not described herein again.
  • the power supply method includes:
  • the voltage outputted by the power supply circuit 510 is boosted to a first voltage by the first boosting circuit 520, and the first voltage is regulated by the voltage stabilizing circuit 530 and is subjected to a voltage stabilization process.
  • the first voltage is supplied to the microcontroller 100 of the electronic cigarette;
  • the power supply method includes:
  • the first booster circuit 520 boosts the voltage output by the power supply circuit 510 to a first voltage, and supplies the first boost to the microcontroller 100 of the electronic cigarette;
  • the voltage output from the power supply circuit 510 is boosted to a second voltage by the second boosting circuit 540, and the second voltage is supplied to the output stage switching circuit 200 of the electronic cigarette.

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  • Power Engineering (AREA)
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Abstract

一种电子烟及其供电电路（500），电子烟供电电路（500）包括电源电路（510），还包括：第一升压电路（520），与电源电路（510）连接，将电源电路（510）输出的电压升压到第一电压；稳压电路（530），与第一升压电路（520）的输出端连接，将输入的第一电压进行稳压处理，以提供给电子烟的微控制器（100）；第二升压电路（540），与电源电路（510）连接，将电源电路（510）输出的电压升压到第二电压；第二电压用于提供给电子烟的输出级开关电路（200）和显示电路（400）；其中，第一升压电路（520）和第二升压电路（540）均由电子烟微控制器（100）的控制信号进行控制。电子烟及其供电电路（500）可以为微控制器（100）提供更加稳定的工作电压。

Description

电子烟及其供电电路 技术领域
本发明涉及电子烟技术领域，特别是涉及一种电子烟及其供电电路。
背景技术
电子烟的功能模块一般包括微控制器、输出级开关电路以及雾化电路等。电子烟采用微控制器对各种电路的工作过程进行控制。
现有技术采用一个升压电路的方式，与微控制器和液晶显示屏、输出开关电路的连接，这样各个用电单元之间会产生供电干扰，例如输出开关电路受负载干扰或短路、断路时，微控制器供电会受其影响。
发明内容
基于此，有必要提供一种能使微控制器的工作电压更加稳定的供电电路。
此外，还提供一种使用该供电电路的电子烟。
本发明的第一方面提供了一种电子烟供电电路，包括电源电路，还包括：
第一升压电路，与所述电源电路连接，将电源电路输出的电压升压到第一电压；
稳压电路，与所述第一升压电路的输出端连接，将输入的所述第一电压进行稳压处理，以提供给电子烟的微控制器；
第二升压电路，与所述电源电路连接，将电源电路输出的电压升压到第二电压；所述第二电压用于提供给电子烟的输出级开关电路和显示电路；
其中，所述第一升压电路和第二升压电路均由电子烟的微控制器的控制信号进行控制。
在其中一个实施例中，所述电源电路包括依次连接的电源和保护电路。
在其中一个实施例中，所述第一升压电路包括第一升压单元和第一开关单元，所述第一升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的第一电压到所述第一开关单元的输入端；所述第一升压单元和第一开关单 元由所述微控制器的控制信号进行控制；
所述第二升压电路包括第二升压单元和第二开关单元，所述第二升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的第二电压到所述第二开关单元的输入端；所述第二升压单元和第二开关单元由所述微控制器的控制信号进行控制。
在其中一个实施例中，所述第一升压单元和第二升压单元包括升压转换器芯片及其外围器件。
在其中一个实施例中，所述升压转换芯片采用集成电路芯片TPS61040；
所述集成电路芯片TPS61040的：
引脚1和5之间连接电感L1，所述引脚1还连接二极管D1的阳极；
引脚2连接在串联的分压电阻R1、R2的公共端；所述分压电阻R1、R2串联在二极管D1的阴极与地之间；所述二极管的阴极和引脚2之间还连接电容C1；
引脚3接地；所述二极管的阴极和引脚3之间还连接电容C2；
引脚4通过电阻R3接地并引入所述控制信号；
引脚5与电源电路连接，同时也通过电容组接地。
在其中一个实施例中，所述第一开关单元采用集成电路芯片UMC3N；所述第一开关单元的所述集成电路芯片UMC3N的：
引脚1接地；
引脚2接入所述控制信号；
引脚3与升压单元的输出端连接；
引脚4作为第一升压电路的输出端与稳压电路连接。
在其中一个实施例中，所述稳压电路包括集成电路芯片XC6202P332MB。
本发明的第二方面提供了一种电子烟，包括微控制器、输出级开关电路、雾化电路以及显示电路，所述微控制器控制所述输出级开关电路对雾化电路进行控制，还包括上述第一方面任一实施例中的电子烟供电电路，其中：
所述稳压电路与所述微控制器连接，为所述微控制器供电；
所述第二升压电路分别与所述输出级开关电路和所述显示电路连接，同时 为所述输出级开关电路和所述显示电路供电。
在其中一个实施例中，所述电源电路的输出端和所述微控制器之间还连接反向保护二极管。
在其中一个实施例中，还包括与所述微控制器连接的温度传感电路，用于检测所述雾化电路的工作温度，当所述雾化电路的的工作温度超过预设的阈值时，则所述微控制器关闭所述雾化电路。
本发明的第三方面提供了一种电子烟供电方法，所述供电方法用于本发明第二方面任一实施例的电子烟中，所述方法包括：
通过所述第一升压电路将所述电源电路输出的电压升压到第一电压，通过所述稳压电路对所述第一电压进行稳压处理并将经过稳压处理后的所述第一电压提供给所述电子烟的微控制器；
通过所述第二升压电路将所述电源电路输出的电压升压到第二电压，并将所述第二电压提供给所述电子烟的输出级开关电路和显示电路。
本发明的第四方面提供了一种电子烟供电电路，包括电源电路，还包括：
第一升压电路，与所述电源电路连接，用于将所述电源电路输出的电压升压到第一电压，将所述第一电压提供给电子烟的微控制器；
第二升压电路，与所述电源电路连接，用于将所述电源电路输出的电压升压到第二电压，将所述第二电压提供给所述电子烟的输出级开关电路。
进一步地，所述第二升压电路，还用于将所述第二电压提供给所述电子烟的显示电路。
在其中一个实施例中，还包括稳压电路，所述稳压电路与所述第一升压电路的输出端连接，将输入的所述第一电压进行稳压处理，以提供给电子烟的微控制器。
在其中一个实施例中，所述电源电路包括依次连接的电源和保护电路。
在其中一个实施例中，所述第一升压电路包括第一升压单元和第一开关单元，所述第一升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的所述第一电压到所述第一开关单元的输入端。
在其中一个实施例中，所述第二升压电路包括第二升压单元和第二开关单 元，所述第二升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的所述第二电压到所述第二开关单元的输入端。
本发明的第五方面提供了一种电子烟，包括微控制器、输出级开关电路、雾化电路，所述微控制器控制所述输出级开关电路对雾化电路进行控制，还包括本发明第四方面的任一实施例中所述的电子烟供电电路。
进一步地，所述电子烟还包括与所述微控制器连接的温度传感电路，所述温度传感电路用于检测所述雾化电路的工作温度，当所述雾化电路的的工作温度超过预设的阈值时，则所述微控制器关闭所述雾化电路。
本发明的第六方面提供了一种电子烟供电方法，所述供电方法用于在本发明第五方面任一实施例的电子烟中，所述方法包括：
通过所述第一升压电路将所述电源电路输出的电压升压到第一电压，并将所述第一升压提供给所述电子烟的微控制器；
通过所述第二升压电路将所述电源电路输出的电压升压到第二电压，并将所述第二电压提供给所述电子烟的输出级开关电路。
上述电子烟及其供电电路，由于采用第一升压电路和第二升压电路分别为微控制器和输出级开关电路、显示电路供电，因此用户在吸烟时，雾化电路的瞬时电压升高不会造成微控制器的电压跌落，使得微控制器的工作电压更加稳定。
附图说明
图1为一实施例的电子烟的部分模块图；
图2为图1对应的另一电子烟的模块图；
图3为图2中的第一升压电路和第二升压电路的模块示意图；
图4为图2中的第一升压电路原理图。
具体实施方式
以下结合附图和实施例进行进一步说明。
如图1所示，为一实施例的电子烟的部分模块图。该电子烟包括微控制器100、输出级开关电路200、雾化电路300、显示电路400以及供电电路500。微控制器100控制所述输出级开关电路200对雾化电路300进行雾化控制，在用户吸烟时将烟油雾化成烟雾。供电电路500与所述微控制器100、输出级开关电路200以及显示电路400连接，并提供各自的工作电压。可选的，在一个实施例中，所述电子烟不包括所述显示电路400。
如图2所示，供电电路500包括电源电路510、第一升压电路520、稳压电路530以及第二升压电路540。电源电路510包括依次连接的电源512和保护电路514。电源512可以采用锂电池。
第一升压电路520与电源电路510连接，将电源电路510输出的电压升压到第一电压。稳压电路530与第一升压电路520的输出端连接，将输入的所述第一电压进行稳压处理，以提供给电子烟的微控制器100。
第二升压电路540与电源电路510连接，将电源电路510输出的电压升压到第二电压，以提供给电子烟的输出级开关电路200和显示电路400。
其中，所述第一升压电路520和第二升压电路540均由电子烟微控制器100的控制信号进行控制。
可选的，上述仅以第一升压电路520和微控制器100通过稳压电路530连接为例，实际实现时，第一升压电路520还可以直接与微控制器100连接，并将第一升压电路520升压得到的第一电压直接提供给微控制器100。也即，所述第一升压电路520与所述电源电路510连接，将所述电源电路510输出的电压升压到第一电压，所述第一升压电路520的输出端与所述微控制器100连接，以将所述第一电压提供给所述电子烟的所述微控制器100。
并且，可选的，所述第二升压电路540与所述电源电路510连接，将所述电源电路510输出的电压升压到第二电压，所述第二升压电路540与所述电子烟的输出级开关电路200之间连接有稳压电路，所述稳压电路用于将第二电压进行稳压处理，并将处理后的所述第二电压提供给所述输出级开关电路200。
可选的，在一个实施例中，所述第二升压电路540与所述电源电路510连接，将所述电源电路510输出的电压升压到第二电压，以提供给所述电子烟的 所述输出级开关电路200，本实施例中所述第二升压电路540不将所述第二电压提供给所述显示电路400。实际实现时，本实施方式可以为电子烟不包括显示电路400时实施，也可以为电子烟包括显示电路400时实施；并且，若电子烟中包括显示电路400而第二升压电路540不讲第二电压提供给显示电路400，则供电电路500中还可以包括用于将电源电路输出的电压升压，进而将升压得到的电压提供给显示电路400,在此不再赘述。
上述电子烟及其供电电路，由于将供电电路分为了两路，分别为为所述微控制器100供电的第一升压电路520和为所述输出级开关电路200供电的第二升压电路540，，避免了所述微控制器100和所述输出级开关电路200之间的供电干扰，因此输出级开关电路200在控制雾化电路300工作时造成的瞬时电压跌落不会影响到微控制器100。可以保证微控制器100具有稳定的工作电压。同理，微控制器100工作时也不会对输出级开关电路200的电压造成影响。
在一个实施例中，如图3所示，第一升压电路520可以包括第一升压单元522和第一开关单元524。所述第一升压单元522的输入端输入所述电源电路510输出的电压、并升压得到第一电压，将所述第一电压输出到所述第一开关单元524的输入端，所述第一开关单元524的输出端作为第一升压电路520的输出端与所述稳压电路530连接。所述第一升压单元522和第一开关单元524由微控制器100输出的同一控制信号进行控制。可以理解的，所述控制信号与所述微控制器100控制第一升压电路520的控制信号相同。
可选地，第二升压电路540可以包括第二升压单元542和第二开关单元544。所述第二升压单元542的输入端输入所述电源电路510输出的电压、并升压得到第二电压，将所述第二电压输出到所述第二开关单元544的输入端，所述第二开关单元544的输出端作为第二升压电路540的输出端。所述第二升压单元542和第二开关单元544由微控制器100输出的同一控制信号进行控制。可以理解的，所述控制信号与所述微控制器100控制所述第二升压电路540的控制信号相同。
可以理解，第一升压电路520和第二升压电路540还可以采用其他形式。
具体地，所述第一升压单元522、第一升压单元542可以包括升压转换器芯 片及其外围器件。需要说明的是，所述外围器件指的是与升压转换器芯片相连接的用于检测或者传递信号的器件，例如下文所述的电感L1，电阻R1，电阻R2，电阻R3，电容C1，电容C2等等。在一个实施例中，第一升压单元522、第二升压单元542均采用如下的电路，即所述升压转换芯片采用集成电路芯片TPS61040。以下以第一升压电路520为例进行说明。
如图4所示，所述集成电路芯片TPS61040的：
引脚1和5之间连接电感L1，所述引脚1还连接二极管D1的阳极；
引脚2连接在串联的分压电阻R1、分压电阻R2的公共端；所述分压电阻R1、分压电阻R2串联在二极管D1的阴极与地之间；所述二极管D1的阴极和引脚2之间还连接电容C1；
引脚3接地；所述二极管D1的阴极和引脚3之间还连接电容C2；
引脚4通过电阻R3接地并引入控制信号VCC_EN；
引脚5与电源电路510连接，同时也通过电容组接地。
可以理解，在其他实施例中，升压转换器芯片也可以采样其他型号的集成电路芯片及其适配的外围电路。
在一个实施例中，所述第一开关单元524、第二开关单元544采用集成电路芯片UMC3N；以第一开关单元524为例，所述第一开关单元524所采用的集成电路芯片UMC3N的：
引脚1接地；
引脚2接入所述控制信号VCC_EN；
引脚3与第一升压单元522的输出端连接；
引脚4作为第一升压电路的输出端与稳压电路连接。
可以理解的，所述第二开关544所采用的集成电路芯片UMC3N的：
引脚1接地；
引脚2接入所述控制信号VCC_EN；
引脚3与第一升压单元542的输出端连接；
引脚4作为第二升压电路540的输出端与输出级开关电路200的输入端连接。
可以理解，在其他实施例中，第一开关单元524、第二开关单元544也可以采用其他型号的可以完成相同功能的集成电路芯片。
在一个实施例中，所述稳压电路530包括集成电路芯片XC6202P332MB。
进一步地，所述电源电路510的输出端和微控制器100之间还连接反向保护二极管，对微控制器100的供电进行反向保护。同时，在电子烟启动后但不雾化烟液时，可以仅启动第二升压电路540，使其为显示电路供电，以显示电子烟的各项信息。而由电源电路510直接为微控制器100供电，第一升压电路520则关闭以节省能耗。
进一步地，还包括与所述微控制器100连接的温度传感电路600。如图2所示，温度传感器电路600可以由稳压电路530供电。温度传感电路600用于检测到雾化电路300的工作状态(工作温度)，当雾化电路的300的工作温度超过预设的阈值时，则所述微控制器100关闭所述雾化电路300。。
可以理解的，所述电子烟中还可以包括气流传感器、电灯等用电单元，此时可以再设置第三升压电路，第四升压电路等升压电路为所述压力传感器、所述电灯等用电单元供电。
以下以图3所示电路结构说明电子烟及其供电电路的工作原理。
线路VCC_BAR连接至3.7V锂电池正极，锂电池负极接地。线路VCC_EN连接至微控制器100的控制引脚，由微控制器100控制升压电路(包括第一升压电路520和第二升压电路540)启动和关闭。
当用户吸烟时，微控制器100置该线路VCC_EN为高电平，升压电路启动，当电子烟进入待机状态时，微控制器100置该线路VCC_EN为低电平，升压电路关闭。
升压电路启动后，升压转换芯片TPS61040在引脚1和引脚2间自动产生振荡，振荡作用于电感L1，于是在电感L1上产生自感电动势，该电动势与原有电池3.7V叠加使电压升高。
二极管D1的单向导通功能对已升高的电压进行整流，电容C1和电容C2则对整流后的电压进行滤波处理，得到平稳的高电压。集成电路芯片UMC3N 由线路VCC_EN控制，线路VCC_EN被置为高电平时(即升压电路启动)，集成电路芯片UMC3N引脚3和引脚4导通，升压单元给其他电路供电；线路VCC_EN被置为低电平时(即升压电路关闭)，电路芯片UMC3N引脚3和引脚4关闭，输出端无电压输出。
本发明还提供了一种电子烟供电方法，所述电子烟与前文所述的电子烟(如图2所示)的结构相同，此处不再赘述。
在其中一个实施例中，所述供电方法包括：
通过所述第一升压电路520将所述电源电路510输出的电压升压到第一电压，通过所述稳压电路530对所述第一电压进行稳压处理并将经过稳压处理后的所述第一电压提供给所述电子烟的所述微控制器100；
通过所述第二升压电路将所述电源电路510输出的电压升压到第二电压，并将所述第二电压提供给所述电子烟的所述输出级开关电路200和所述显示电路400。
而若供电电路中不包括稳压电路时，所述供电方法包括：
通过所述第一升压电路520将所述电源电路510输出的电压升压到第一电压，并将所述第一升压提供给所述电子烟的所述微控制器100；
通过所述第二升压电路540将所述电源电路510输出的电压升压到第二电压，并将所述第二电压提供给所述电子烟的所述输出级开关电路200。
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。
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。

Claims (20)

  1. 一种电子烟供电电路，包括电源电路，其特征在于，还包括：
    第一升压电路，与所述电源电路连接，将所述电源电路输出的电压升压到第一电压；
    稳压电路，与所述第一升压电路的输出端连接，将输入的所述第一电压进行稳压处理，以提供给电子烟的微控制器；
    第二升压电路，与所述电源电路连接，将所述电源电路输出的电压升压到第二电压；所述第二电压用于提供给所述电子烟的输出级开关电路和显示电路；
    其中，所述第一升压电路和第二升压电路均由所述电子烟的所述微控制器的控制信号进行控制。
  2. 根据权利要求1所述的电子烟供电电路，其特征在于，所述电源电路包括依次连接的电源和保护电路。
  3. 根据权利要求1所述的电子烟供电电路，其特征在于，所述第一升压电路包括第一升压单元和第一开关单元，所述第一升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的所述第一电压到所述第一开关单元的输入端；所述第一升压单元和所述第一开关单元由所述微控制器的控制信号进行控制；
    所述第二升压电路包括第二升压单元和第二开关单元，所述第二升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的所述第二电压到所述第二开关单元的输入端；所述第二升压单元和所述第二开关单元由所述微控制器的控制信号进行控制。
  4. 根据权利要求3所述的电子烟供电电路，其特征在于，所述第一升压单元和第二升压单元包括升压转换器芯片及其外围器件。
  5. 根据权利要求4所述的电子烟供电电路，其特征在于，所述升压转换芯片采用集成电路芯片TPS61040；
    所述集成电路芯片TPS61040的：
    引脚1和5之间连接电感L1，所述引脚1还连接二极管D1的阳极；
    引脚2连接在串联的分压电阻R1、R2的公共端；所述分压电阻R1、R2串联在二极管D1的阴极与地之间；所述二极管的阴极和引脚2之间还连接电容 C1；
    引脚3接地；所述二极管的阴极和引脚3之间还连接电容C2；
    引脚4通过电阻R3接地并引入所述控制信号；
    引脚5与电源电路连接，同时也通过电容组接地。
  6. 根据权利要求3所述的电子烟供电电路，其特征在于，所述第一开关单元采用集成电路芯片UMC3N；所述第一开关单元所采用的所述集成电路芯片UMC3N的：
    引脚1接地；
    引脚2接入所述控制信号；
    引脚3与升压单元的输出端连接；
    引脚4作为第一升压电路的输出端与稳压电路连接。
  7. 根据权利要求1所述的电子烟供电电路，其特征在于，所述稳压电路包括集成电路芯片XC6202P332MB。
  8. 一种电子烟，包括微控制器、输出级开关电路、雾化电路以及显示电路，所述微控制器控制所述输出级开关电路对雾化电路进行控制，其特征在于，还包括如权利要求1～7任一项所述的电子烟供电电路，其中：
    所述稳压电路与所述微控制器连接，为所述微控制器供电；
    所述第二升压电路分别与所述输出级开关电路和显示电路连接，同时为所述输出级开关电路和显示电路供电。
  9. 根据权利要求8所述的电子烟，其特征在于，所述电源电路的输出端和所述微控制器之间还连接反向保护二极管。
  10. 根据权利要求8所述的电子烟，其特征在于，还包括与所述微控制器连接的温度传感电路，所述温度传感电路用于检测所述雾化电路的工作温度，当所述雾化电路的的工作温度超过预设的阈值时，则所述微控制器关闭所述雾化电路。
  11. 一种电子烟供电方法，其特征在于，用于如权利要求8-10任一所述的电子烟中，所述方法包括：
    通过所述第一升压电路将所述电源电路输出的电压升压到第一电压；
    通过所述稳压电路对所述第一电压进行稳压处理，并将稳压处理后的所述第一电压提供给所述电子烟的所述微控制器；
    通过所述第二升压电路将所述电源电路输出的电压升压到第二电压，并将所述第二电压提供给所述电子烟的输出级开关电路和显示电路。
  12. 一种电子烟供电电路，包括电源电路，其特征在于，还包括：
    第一升压电路，与所述电源电路连接，用于将所述电源电路输出的电压升压到第一电压，将所述第一电压提供给电子烟的微控制器；
    第二升压电路，与所述电源电路连接，用于将所述电源电路输出的电压升压到第二电压，将所述第二电压提供给所述电子烟的输出级开关电路。
  13. 根据权利要求12所述的电子烟供电电路，其特征在于，所述第二升压电路，还用于将所述第二电压提供给所述电子烟的显示电路。
  14. 根据权利要求12所述的电子烟供电电路，其特征在于，还包括稳压电路，所述稳压电路与所述第一升压电路的输出端连接，用于将输入的所述第一电压进行稳压处理，并将稳压处理后的所述第一电压提供给所述电子烟的微控制器。
  15. 根据权利要求12所述的电子烟供电电路，其特征在于，所述电源电路包括依次连接的电源和保护电路。
  16. 根据权利要求12所述的电子烟供电电路，其特征在于，所述第一升压电路包括第一升压单元和第一开关单元，所述第一升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的所述第一电压到所述第一开关单元的输入端。
  17. 根据权利要求12所述的电子烟供电电路，其特征在于，所述第二升压电路包括第二升压单元和第二开关单元，所述第二升压单元的输入端输入所述电源电路输出的电压、并输出升压得到的所述第二电压到所述第二开关单元的输入端。
  18. 一种电子烟，包括微控制器、输出级开关电路、雾化电路，所述微控制器控制所述输出级开关电路对雾化电路进行控制，其特征在于，还包括如权利要求12～17任一项所述的电子烟供电电路。
  19. 根据权利要求18所述的电子烟，其特征在于，还包括与所述微控制器连接的温度传感电路，所述温度传感电路用于检测所述雾化电路的工作温度，当所述雾化电路的工作温度超过预设的阈值时，则所述微控制器关闭所述雾化电路。
  20. 一种电子烟供电方法，其特征在于，用于如权利要求18-19任一所述的电子烟中，所述方法包括：
    通过所述第一升压电路将所述电源电路输出的电压升压到第一电压，并将所述第一升压提供给所述电子烟的微控制器；
    通过所述第二升压电路将所述电源电路输出的电压升压到第二电压，并将所述第二电压提供给所述电子烟的输出级开关电路。
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