WO2015043101A1 - 多传感器控制电路、电子烟及传感器控制方法 - Google Patents

多传感器控制电路、电子烟及传感器控制方法 Download PDF

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Publication number
WO2015043101A1
WO2015043101A1 PCT/CN2013/090713 CN2013090713W WO2015043101A1 WO 2015043101 A1 WO2015043101 A1 WO 2015043101A1 CN 2013090713 W CN2013090713 W CN 2013090713W WO 2015043101 A1 WO2015043101 A1 WO 2015043101A1
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sensor
module
unidirectional
control circuit
sensor control
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PCT/CN2013/090713
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English (en)
French (fr)
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向智勇
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吉瑞高新科技股份有限公司
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Publication of WO2015043101A1 publication Critical patent/WO2015043101A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • 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
    • A24F40/60—Devices with integrated user interfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

Definitions

  • the invention relates to the field of daily electronic products, in particular to a multi-sensor control circuit, an electronic cigarette and a sensor control method.
  • the senor In electronic cigarettes, the sensor is often soaked by the immersed smoke oil, which easily causes the sensor to fail, and the electronic cigarette loses its function.
  • FIG. 1 a schematic diagram of a structure of a multi-sensor control circuit in the prior art, and output interfaces of a plurality of sensors of an electronic cigarette having a plurality of smoking sensors are respectively connected.
  • FIG. 1 a schematic diagram of a structure of a multi-sensor control circuit in the prior art, and output interfaces of a plurality of sensors of an electronic cigarette having a plurality of smoking sensors are respectively connected.
  • parallel processing with software such connection takes up the hardware and software resources of the microprocessor, and needs to increase the number of IO interfaces of the microprocessor accordingly.
  • the technical problem to be solved by the present invention is that the failure rate of the smoking sensor in the electronic cigarette of the above-mentioned single sensor of the prior art is high or the electronic cigarette of the plurality of sensors occupies the defects of the hardware and software resources of the microprocessor, providing a multi-disability Sensor control circuit , electronic cigarettes and sensor control methods.
  • the technical solution adopted by the present invention to solve the technical problem is to construct a multi-sensor control circuit for an electronic cigarette, including a battery, a control module and at least two air flow sensors, and further comprising a one-to-one connection with the air flow sensor respectively One-way circuit,
  • An output end of each of the air flow sensors is connected to an input end of the corresponding one-way circuit, and an output end of each of the one-way circuits is commonly connected to a same input port of the control module; To the control module and each of the airflow sensors;
  • Each of the air flow sensors is configured to output a voltage signal to the corresponding one-way circuit when the air flow is sensed
  • Each of the unidirectional circuits is configured to perform unidirectional signal filtering on the corresponding voltage signal, and output a unidirectional voltage signal to the input port of the control module;
  • the control module is configured to control the operation of the electronic cigarette when receiving the unidirectional voltage signal sent by the at least one one-way circuit.
  • the unidirectional circuit includes a diode, and the multi-sensor control circuit further includes a pull-down resistor;
  • the anode of each of the diodes is connected to a corresponding one of the gas flow sensors, and a cathode of each of the diodes is connected to one end of the pull-down resistor and the input port; and the other end of the pull-down resistor is grounded.
  • the diode is a Schottky diode.
  • the unidirectional circuit includes a diode, and the multi-sensor control circuit further includes a pull-up resistor;
  • a cathode of each of the diodes is connected to a corresponding one of the air flow sensors, a cathode of each of the diodes is connected to one end of the pull-up resistor and the input port; and the other end of the pull-up resistor is connected to the The positive pole of the battery.
  • the model of the air flow sensor is S087;
  • the pin 1 of the air flow sensor is connected to the positive pole of the battery, and the pin 2 of the air flow sensor is connected to the input port through the one-way circuit; the pin 3 of the air flow sensor is grounded.
  • control module includes a microprocessor, the type of the microprocessor is SN8P2711B; the pin 2 of the microprocessor serves as the input port.
  • the multi-sensor control circuit further includes a switch module and an atomization module;
  • the switch module is respectively connected to the battery, the control module and the atomization module, and the atomization module is further connected to the battery;
  • the switch module is configured to be turned on under the control of the control module when the control module receives the unidirectional voltage signal, thereby controlling electrical connection between the atomization module and the battery;
  • the atomization module is configured to perform an atomizing operation when the electrical connection with the battery is turned on.
  • the switch module includes a MOS transistor and a bias resistor
  • a gate of the MOS transistor is connected to the control module, a source of the MOS transistor is grounded, a drain of the MOS transistor is connected to the atomization module; and a gate of the MOS transistor is also biased through a resistor Ground.
  • the multi-sensor control circuit further includes an indication module
  • the indication module is coupled to the battery and the control module, the indication module is configured to perform an indication under the control of the control module when the airflow sensor detects an airflow.
  • the indication module includes a light emitting diode.
  • the invention also discloses an electronic cigarette comprising the above multi-sensor control circuit.
  • the invention also discloses a multi-sensor control method for an electronic cigarette, the method comprising:
  • Each airflow sensor outputs a voltage signal to the corresponding one-way circuit when the airflow is sensed.
  • each unidirectional circuit performs a unidirectional signal filtering on the corresponding voltage signal, and outputs a unidirectional voltage signal to an input port of the control module;
  • the control module controls the operation of the electronic cigarette when receiving the unidirectional voltage signal sent by the at least one one-way circuit.
  • the multi-sensor control circuit of the present invention has at least two air flow sensors, and the voltage signal output by each of the air flow sensors is filtered by a unidirectional circuit to output a unidirectional voltage signal, and all of the unidirectional circuits
  • the output terminals are connected to the same input port of the control module, and the control module controls the operation of the electronic cigarette when receiving the unidirectional voltage signal outputted by any one-way circuit, so as to reduce the failure rate of the smoking sensor in the electronic cigarette. Excessive hardware and software resources for the microprocessor can be avoided.
  • FIG. 1 is a schematic structural view of a multi-sensor control circuit in the prior art
  • FIG. 2 is a schematic structural view of a multi-sensor control circuit of the present invention
  • Figure 3 is a circuit schematic diagram of a first embodiment of the multi-sensor control circuit of the present invention.
  • FIG. 4 is a circuit schematic diagram of a second embodiment of the multi-sensor control circuit of the present invention.
  • a multi-sensor control circuit is provided. , electronic cigarettes and sensor control methods.
  • FIG. 2 is a schematic structural view of a multi-sensor control circuit of the present invention
  • the multi-sensor control circuit of the present invention includes a battery 100, a control module 200, a switch module 300, an atomization module 400, and an indication module 600, and further includes at least two airflow sensors 501 and a one-to-one connection with the airflow sensor 501, respectively.
  • the battery 100 is connected to the control module 200, the switch module 300, the atomization module 400, each airflow sensor 501, and the indicator module 600.
  • the control module 200 is also connected to the switch module 300 and the indicator module 600, respectively.
  • the output of each of the airflow sensors 501 is connected to an input of the corresponding one-way circuit 502, and the output of each of the one-way circuits 502 is commonly connected to the control module 200 The same input port;
  • the use of the plurality of airflow sensors 501 can effectively reduce the failure rate of the smoking sensor in the electronic cigarette. Even if one of the airflow sensors 501 fails, the other airflow sensors 501 can be used to sense the airflow, and the output of each airflow sensor 501 passes through a single The circuit can be connected to the same input port of the control module 200. This can effectively avoid excessive hardware and software resources occupying the microprocessor and prevent signals from interfering with each other between the airflow sensors 501.
  • the battery 100 is used to supply working power to all modules or components such as the control module 200, the switch module 300, the atomization module 400, the airflow sensor 501, and the indication module 600;
  • Each of the airflow sensors 501 is configured to output a voltage signal to the corresponding one-way circuit 502 when the airflow is sensed
  • Each of the unidirectional circuits 502 is configured to perform unidirectional signal filtering on the corresponding voltage signal, and output a unidirectional voltage signal to the input port of the control module 200;
  • the switch module 300 is configured to be turned on under the control of the control module 200 when the control module 200 receives the unidirectional voltage signal, thereby controlling the electrical connection between the atomization module 400 and the battery 100. Conduction
  • the atomization module 400 is configured to perform an atomization operation when the electrical connection with the battery 100 is turned on.
  • the indication module 600 is configured to perform an indication under the control of the control module 200 when the airflow sensor 501 detects an airflow.
  • the control module 200 is configured to control the operation of the electronic cigarette when receiving the unidirectional voltage signal sent by the at least one one-way circuit 502: specifically, on the one hand, the control switch module 300 is turned on, thereby causing the fog
  • the electrical connection of the module 400 to the battery 100 is conducted, and the atomization module 400 performs an atomization operation; on the other hand, the control indication module 600 performs an indication.
  • FIG. 3 is a circuit schematic diagram of a first embodiment of a multi-sensor control circuit of the present invention.
  • control module 200 includes a microprocessor U1, the model of the microprocessor U1 is SN8P2711B, and the pin 2 of the microprocessor U1 serves as an input port.
  • the unidirectional circuit 502 includes a diode D1; the airflow sensor is S087; the diode D1 is preferably a Schottky diode, and the multi-sensor control circuit of the present invention further includes a pull-down resistor R4; in this embodiment, the airflow sensor 501 and the diode D1 are both One.
  • the first embodiment is for the case where the signal output from the airflow sensor is positive, therefore, the pin 1 of each airflow sensor is connected to the positive pole of the battery, and the pin 2 of each airflow sensor is connected as an output terminal to the corresponding one.
  • the positive pole of the diode D1 is grounded to the pin 3 of each air flow sensor, and the negative pole of each diode D1 is connected in parallel to the pin 2 of the microprocessor U1 and the end of the pull-down resistor R4, and the other end of the pull-down resistor R4 is grounded.
  • the switch module 300 includes a MOS transistor Q1 and a bias resistor R1.
  • the MOS transistor Q1 is N-type.
  • the atomization module 400 includes a heating wire R5.
  • the atomization module can be any circuit capable of realizing atomization. Mechanically, it includes a detachable and integrally formed electronic cigarette of the atomizer and the battery rod.
  • the gate of the MOS transistor Q1 is connected to the pin 4 of the microprocessor U1, the source of the MOS transistor Q1 is grounded, the drain of the MOS transistor Q1 is connected to one end of the heating wire R5, and the other end of the heating wire R5 is connected to the positive electrode of the battery.
  • the gate of the MOS transistor Q1 is also grounded through the bias resistor R1, and the drain of the MOS transistor Q1 is also connected to the pin 9 of the microprocessor U1 through the resistor R2.
  • the 2nd pin of the airflow sensor When any airflow sensor senses the airflow signal, the 2nd pin of the airflow sensor outputs a voltage signal, and after filtering by the diode D1, the output unidirectional voltage signals are all positive phase high-level signals, and the microprocessor U1 Pin 2 receives a high level signal and judges that there is a smoking airflow at this time, so control
  • the 4th pin outputs a high level control signal, and the MOS transistor Q1 is turned on, causing the electrical connection between the heating wire and the battery to be turned on, and the atomization operation is started.
  • the pin 2 of the microprocessor U1 When all the airflow sensors do not sense the airflow signal, the pin 2 of the microprocessor U1 is grounded through the pull-down resistor R4, that is, the pin 2 receives a low level signal, so the microprocessor U1 judges that there is no smoking at this time. Airflow, the No. 4 pin no longer outputs the control signal, the gate of the MOS transistor Q1 is grounded through the bias resistor, and the MOS transistor Q1 is disconnected, causing the electrical connection between the heating wire and the battery to be interrupted, and the atomization operation is stopped.
  • the indication module 600 includes a light emitting diode D2 and a resistor R3.
  • the anode of the LED D2 is connected to the anode of the battery, and the cathode of the LED D2 is connected to the pin 5 of the microprocessor U1 through the resistor R3.
  • the pin 5 of the microprocessor U1 outputs a low level control signal, so that the light emitting diode D2 emits light for indication.
  • FIG. 4 is a circuit schematic diagram of a second embodiment of the multi-sensor control circuit of the present invention.
  • the second embodiment is for the case where the signal output by the air flow sensor is negatively effective. Therefore, in the second embodiment, the unidirectional circuit 502 is a reversed diode D3, and the pull-down resistor is used. R4 is replaced by a pull-up resistor R6.
  • Pin 1 of each airflow sensor is connected to the positive pole of the battery, and pin 2 of each airflow sensor is connected as an output to the negative pole of the corresponding diode D3, and the pin 3 of each airflow sensor is grounded, each diode
  • the anode of D3 is connected in parallel to the pin 2 of the microprocessor U1 and the end of the pull-up resistor R6, and the other end of the pull-up resistor R6 is connected to the positive terminal of the battery.
  • the 2nd pin of the airflow sensor When any airflow sensor senses the airflow signal, the 2nd pin of the airflow sensor outputs a voltage signal, and after filtering by the diode D3, the output unidirectional voltage signals are all low-level signals of the negative phase, and the microprocessor U1 Pin 2 receives a low level signal and judges that there is a smoking airflow at this time, so control
  • the 4th pin outputs a high level control signal, and the MOS transistor Q1 is turned on, causing the electrical connection between the heating wire and the battery to be turned on, and the atomization operation is started.
  • the pin 2 of the microprocessor U1 When all the airflow sensors do not sense the airflow signal, the pin 2 of the microprocessor U1 is connected to the positive pole of the battery 100 through the pull-up resistor R6, that is, the pin 2 receives a high level signal, so the microprocessor U1 judges that there is no smoking airflow at this time, the No. 4 pin no longer outputs the control signal, the gate of the MOS transistor Q1 is grounded through the bias resistor, and the MOS transistor Q1 is disconnected, causing the electrical connection between the heating wire and the battery to be interrupted, stopping the fog. Work.
  • the invention also discloses an electronic cigarette comprising the multi-sensor control circuit described above and a multi-sensor control method for the electronic cigarette corresponding to the circuit, the method comprising:
  • each airflow sensor 501 outputs a voltage signal to the corresponding one-way circuit 502 when the airflow is sensed
  • Each unidirectional circuit 502 performs a unidirectional signal filtering on the corresponding voltage signal, and outputs a unidirectional voltage signal to an input port of the control module 200;
  • the control module 200 controls the operation of the electronic cigarette when receiving the unidirectional voltage signal sent by the at least one one-way circuit 502.
  • the multi-sensor control circuit of the present invention is provided with at least two air flow sensors, and the voltage signal output by each of the air flow sensors is filtered by a unidirectional circuit to output a unidirectional voltage signal, and the output ends of all the unidirectional circuits are Connected to the same input port of the control module, the control module controls the operation of the electronic cigarette when receiving the unidirectional voltage signal output by any one-way circuit, thereby reducing the failure rate of the smoking sensor in the electronic cigarette and avoiding More hardware and software resources occupying the microprocessor.

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Abstract

一种多传感器控制电路，用于电子烟，包括电池（100）、控制模块（200）和至少两个气流传感器（501），还包括分别与气流传感器（501）一一对应连接的单向电路（502）。每个气流传感器（501）的输出端连接对应的单向电路（502）的输入端，每个单向电路（502）的输出端共同连接至控制模块（200）的同一个输入口。气流传感器（501）在感应到气流时输出电压信号，单向电路（502）将对应的电压信号进行单向信号过滤后输出单向电压信号至控制模块（200）的输入口，控制模块（200）在接收到至少一个单向电路发送的单向电压信号时控制电子烟的工作。还提供一种包括该多传感器控制电路的电子烟以及一种多传感器控制方法。

Description

多传感器控制电路、电子烟及传感器控制方法 技术领域
本发明涉及日用电子产品领域，尤其涉及一种多传感器控制电路 、电子烟及传感器控制方法 。
背景技术
电子烟中，传感器常常由于被浸入的烟油浸泡，容易导致传感器失效，电子烟失去其功能。
也有针对上述问题提出利用多个吸烟传感器备份使用的方法，参考图1是现有技术中多传感器控制电路的结构示意图，具有多个吸烟传感器的电子香烟的多个传感器的输出接口都是分别接入微控制器的不同的输入口，然后用软件做并联处理的，这样的连接方式占用微处理器的硬件和软件资源，需要相应的增加微处理器的IO接口数。同时需要增加软件的资源占用。增加硬件成本。
因此，现有技术存在缺陷，需要改进。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述单个传感器的电子烟中吸烟传感器的失效率高或者多个传感器的电子烟占用微处理器的硬件和软件资源的缺陷，提供一种多传感器控制电路 、电子烟及传感器控制方法 。
本发明解决其技术问题所采用的技术方案是：构造一种多传感器控制电路，用于电子烟，包括电池、控制模块和至少两个气流传感器，还包括分别与所述气流传感器一一对应连接的单向电路，
每个所述气流传感器的输出端连接至对应的所述单向电路的输入端，每个所述单向电路的输出端共同连接至所述控制模块的同一个输入口；所述电池分别连接至所述控制模块和每一所述气流传感器；
每个所述气流传感器用于在感应到气流时输出电压信号至对应的所述单向电路，
每个所述单向电路用于将对应的所述电压信号进行单向信号过滤后输出单向电压信号至所述控制模块的所述输入口；
所述控制模块用于在接收到至少一个所述单向电路发送的所述单向电压信号时控制电子烟的工作。
在本发明所述的多传感器控制电路中，所述单向电路包括二极管，所述多传感器控制电路还包括下拉电阻；
每个所述二极管的正极连接至对应的所述气流传感器，每个所述二极管的负极连接至所述下拉电阻的一端以及所述输入口；所述下拉电阻的另一端接地。
在本发明所述的多传感器控制电路中，所述二极管为肖特基二极管。
在本发明所述的多传感器控制电路中，所述单向电路包括二极管，所述多传感器控制电路还包括上拉电阻；
每个所述二极管的负极连接至对应的所述气流传感器，每个所述二极管的正极连接至所述上拉电阻的一端以及所述输入口；所述上拉电阻的另一端连接至所述电池的正极。
在本发明所述的多传感器控制电路中，所述气流传感器的型号为S087；
所述气流传感器的1号引脚连接至所述电池的正极，所述气流传感器的2号引脚通过所述单向电路连接至所述输入口；所述气流传感器的3号引脚接地。
在本发明所述的多传感器控制电路中，所述控制模块包括微处理器，所述微处理器的型号为SN8P2711B；所述微处理器的2号引脚作为所述输入口。
在本发明所述的多传感器控制电路中，所述多传感器控制电路还包括开关模块和雾化模块；
所述开关模块分别连接至所述电池、控制模块和雾化模块，所述雾化模块还连接至所述电池；
所述开关模块用于在所述控制模块接收到所述单向电压信号时在所述控制模块的控制下导通，进而控制所述雾化模块与所述电池的电连接导通；
所述雾化模块用于在与所述电池的电连接导通时执行雾化工作。
在本发明所述的多传感器控制电路中，所述开关模块包括MOS管和偏置电阻；
所述MOS管的栅极连接至所述控制模块，所述MOS管的源极接地，所述MOS管的漏极连接至所述雾化模块；所述MOS管的栅极还通过偏置电阻接地。
在本发明所述的多传感器控制电路中，所述多传感器控制电路还包括指示模块；
所述指示模块连接至所述电池和控制模块，所述指示模块用于在所述气流传感器检测到气流时在所述控制模块的控制下进行指示。
在本发明所述的多传感器控制电路中，所述指示模块包括发光二极管。
本发明还公开了一种电子烟，包括上述的多传感器控制电路。
本发明还公开了一种多传感器控制方法，用于电子烟，所述方法包括：
S1、每个气流传感器在感应到气流时输出电压信号至对应的所述单向电路，
S2、每个单向电路将对应的所述电压信号进行单向信号过滤后输出单向电压信号至控制模块的输入口；
S3、所述控制模块在接收到至少一个所述单向电路发送的所述单向电压信号时控制电子烟的工作。
实施本发明的多传感器控制电路 、电子烟及传感器控制方法 ，具有以下有益效果：本发明的多传感器控制电路具备至少两个气流传感器，且每个所述气流传感器输出的电压信号经单向电路过滤后输出单向电压信号，且所有的单向电路的输出端均连接至控制模块的同一个输入口，控制模块在接收到任一单向电路输出的单向电压信号时就会控制电子烟工作，如此既可以降低电子烟中吸烟传感器的失效率又可以避免过多的占用微处理器的硬件和软件资源。
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是现有技术中多传感器控制电路的结构示意图；
图2是本发明多传感器控制电路的结构示意图；
图3是本发明多传感器控制电路的第一实施例的电路原理图；
图4是本发明多传感器控制电路的第二实施例的电路原理图。
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。
为了克服现有技术中单个传感器的电子烟中吸烟传感器的失效率高或者多个传感器的电子烟占用微处理器的硬件和软件资源的缺陷，提供一种多传感器控制电路 、电子烟及传感器控制方法 。
图2是本发明多传感器控制电路的结构示意图；
本发明的多传感器控制电路，包括电池100、控制模块200、开关模块300、雾化模块400和指示模块600，还包括至少两个气流传感器501以及分别与所述气流传感器501一一对应连接的单向电路502，
电池100分别与控制模块200、开关模块300、雾化模块400、每一气流传感器501以及指示模块600相连接，控制模块200还分别连接至所述开关模块300和指示模块600；开关模块300还连接至雾化模块400，每个所述气流传感器501的输出端连接至对应的所述单向电路502的输入端，每个所述单向电路502的输出端共同连接至所述控制模块200的同一个输入口；
使用多个气流传感器501可以有效降低电子烟中吸烟传感器的失效率，即使其中的某个气流传感器501失效，仍然可以利用其它的气流传感器501感应气流，且每个气流传感器501的输出端经过单向电路后可以与控制模块200的同一个输入口连接，如此可以有效避免过多的占用微处理器的硬件和软件资源以及防止所述气流传感器501之间的信号相互干扰。
电池100用于给控制模块200、开关模块300、雾化模块400、气流传感器501以及指示模块600等所有的模块或者元器件提供工作电源；
每个所述气流传感器501用于在感应到气流时输出电压信号至对应的所述单向电路502，
每个所述单向电路502用于将对应的所述电压信号进行单向信号过滤后输出单向电压信号至所述控制模块200的所述输入口；
所述开关模块300用于在所述控制模块200接收到所述单向电压信号时在所述控制模块200的控制下导通，进而控制所述雾化模块400与所述电池100的电连接导通；
所述雾化模块400用于在与所述电池100的电连接导通时执行雾化工作。
所述指示模块600用于在所述气流传感器501检测到气流时在所述控制模块200的控制下进行指示。
所述控制模块200用于在接收到至少一个所述单向电路502发送的所述单向电压信号时控制电子烟的工作：具体的，一方面控制开关模块300导通，进而使得所述雾化模块400与所述电池100的电连接导通，雾化模块400执行雾化工作；另一方面，控制指示模块600进行指示。
参考图3是本发明多传感器控制电路第一实施例的电路原理图。
结合图2以及图3，控制模块200包括微处理器U1，微处理器U1的型号为SN8P2711B；微处理器U1的2号引脚作为输入口。
单向电路502包括二极管D1；气流传感器的型号为S087；二极管D1优选的肖特基二极管，本发明的多传感器控制电路还包括下拉电阻R4；本实施例中气流传感器501和二极管D1均为两个。
第一实施例是针对气流传感器输出的信号为正有效的情况，因此，每个气流传感器的1号引脚连接至电池的正极，每个气流传感器的2号引脚作为输出端连接至对应的二极管D1的正极，每个气流传感器的3号引脚接地，每个二极管D1的负极并联之后连接至微处理器U1的2号引脚以及下拉电阻R4的一端，下拉电阻R4的另一端接地。
开关模块300包括MOS管Q1和偏置电阻R1，MOS管Q1为N型；本实施例中雾化模块400包括发热丝R5，当然，雾化模块可以为任何能实现雾化工作的电路，且在机械上讲，包括雾化器与电池杆可拆卸的和一体成型的电子烟。
MOS管Q1的栅极连接至微处理器U1的4号引脚，MOS管Q1的源极接地，MOS管Q1的漏极连接至发热丝R5的一端，发热丝R5的另一端连接至电池正极；MOS管Q1的栅极还通过偏置电阻R1接地，MOS管Q1的漏极还通过电阻R2连接至微处理器U1的9号引脚。
在任何一个气流传感器感应到气流信号时，气流传感器的2号引脚输出电压信号，再经过二极管D1过滤后，输出的单向电压信号全部为正相的高电平信号，微处理器U1的2号引脚接收到高电平信号，并判断此时有吸烟气流，于是控制 4号引脚输出高电平的控制信号， MOS管Q1导通，导致发热丝与电池之间的电连接导通，开始雾化工作。
在所有的气流传感器都没有感应到气流信号时，微处理器U1的2号引脚通过下拉电阻R4接地，即2号引脚接收到低电平信号，于是微处理器U1判断此时没有吸烟气流，4号引脚不再输出控制信号，MOS管Q1的栅极通过偏置电阻接地，MOS管Q1断开，导致发热丝与电池之间的电连接中断，停止雾化工作。
另外，指示模块600包括发光二极管D2和电阻R3。发光二极管D2的正极连接至电池的正极，发光二极管D2的负极通过电阻R3连接至微处理器U1的5号引脚。在气流传感器感应到气流信号时，微处理器U1的5号引脚输出低电平的控制信号，使得发光二极管D2发光进行指示。
参考图4是本发明多传感器控制电路的第二实施例的电路原理图。
第二实施例与第一实施例的区别在于，第二实施例是针对气流传感器输出的信号为负有效的情况，因此，第二实施例中单向电路502为反接的二极管D3，下拉电阻R4由上拉电阻R6代替。
每个气流传感器的1号引脚连接至电池的正极，每个气流传感器的2号引脚作为输出端连接至对应的二极管D3的负极，每个气流传感器的3号引脚接地，每个二极管D3的正极并联之后连接至微处理器U1的2号引脚以及上拉电阻R6的一端，上拉电阻R6的另一端连接至电池的正极。
在任何一个气流传感器感应到气流信号时，气流传感器的2号引脚输出电压信号，再经过二极管D3过滤后，输出的单向电压信号全部为负相的低电平信号，微处理器U1的2号引脚接收到低电平信号，并判断此时有吸烟气流，于是控制 4号引脚输出高电平的控制信号， MOS管Q1导通，导致发热丝与电池之间的电连接导通，开始雾化工作。
在所有的气流传感器都没有感应到气流信号时，微处理器U1的2号引脚通过上拉电阻R6连接至电池100的正极，即2号引脚接收到高电平信号，于是微处理器U1判断此时没有吸烟气流，4号引脚不再输出控制信号，MOS管Q1的栅极通过偏置电阻接地，MOS管Q1断开，导致发热丝与电池之间的电连接中断，停止雾化工作。
本发明还公开了一种包含上述的多传感器控制电路的电子烟以及对应于该电路的用于电子烟的一种多传感器控制方法，所述方法包括：
S1 、每个气流传感器501在感应到气流时输出电压信号至对应的所述单向电路502，
S2 、每个单向电路502将对应的所述电压信号进行单向信号过滤后输出单向电压信号至控制模块200的输入口；
S3 、所述控制模块200在接收到至少一个所述单向电路502发送的所述单向电压信号时控制电子烟的工作。
综上，本发明的多传感器控制电路具备至少两个气流传感器，且每个所述气流传感器输出的电压信号经单向电路过滤后输出单向电压信号，且所有的单向电路的输出端均连接至控制模块的同一个输入口，控制模块在接收到任一单向电路输出的单向电压信号时就会控制电子烟工作，如此既可以降低电子烟中吸烟传感器的失效率又可以避免过多的占用微处理器的硬件和软件资源。
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 (12)

  1. 一种多传感器控制电路，用于电子烟，包括电池（100）、控制模块（200）和至少两个气流传感器（501），其特征在于，还包括分别与所述气流传感器（501）一一对应连接的单向电路（502），
    每个所述气流传感器（501）的输出端连接至对应的所述单向电路（502）的输入端，每个所述单向电路（502）的输出端共同连接至所述控制模块（200）的同一个输入口；所述电池（100）分别连接至所述控制模块（200）和每一所述气流传感器（501）；
    每个所述气流传感器（501）用于在感应到气流时输出电压信号至对应的所述单向电路（502），
    每个所述单向电路（502）用于将对应的所述电压信号进行单向信号过滤后输出单向电压信号至所述控制模块（200）的所述输入口；
    所述控制模块（200）用于在接收到至少一个所述单向电路（502）发送的所述单向电压信号时控制电子烟的工作。
  2. 根据权利要求1所述的多传感器控制电路，其特征在于，所述单向电路（502）包括二极管（D1），所述多传感器控制电路还包括下拉电阻（R4）；
    每个所述二极管（D1）的正极连接至对应的所述气流传感器（501），每个所述二极管（D1）的负极连接至所述下拉电阻（R4）的一端以及所述输入口；所述下拉电阻（R4）的另一端接地。
  3. 根据权利要求2所述的多传感器控制电路，其特征在于，所述二极管（D1）为肖特基二极管。
  4. 根据权利要求1所述的多传感器控制电路，其特征在于，所述单向电路（502）包括二极管（D3），所述多传感器控制电路还包括上拉电阻（R6）；
    每个所述二极管（D3）的负极连接至对应的所述气流传感器（501），每个所述二极管（D3）的正极连接至所述上拉电阻（R6）的一端以及所述输入口；所述上拉电阻（R6）的另一端连接至所述电池（100）的正极。
  5. 根据权利要求1所述的多传感器控制电路，其特征在于，所述气流传感器的型号为S087；
    所述气流传感器的1号引脚连接至所述电池的正极，所述气流传感器的2号引脚通过所述单向电路（502）连接至所述输入口；所述气流传感器的3号引脚接地。
  6. 根据权利要求1所述的多传感器控制电路，其特征在于，所述控制模块（200）包括微处理器（U1），所述微处理器（U1）的型号为SN8P2711B；所述微处理器（U1）的2号引脚作为所述输入口。
  7. 根据权利要求1所述的多传感器控制电路，其特征在于，所述多传感器控制电路还包括开关模块（300）和雾化模块（400）；
    所述开关模块（300）分别连接至所述电池（100）、控制模块（200）和雾化模块（400），所述雾化模块（400）还连接至所述电池（100）；
    所述开关模块（300）用于在所述控制模块（200）接收到所述单向电压信号时在所述控制模块（200）的控制下导通，进而控制所述雾化模块（400）与所述电池（100）的电连接导通；
    所述雾化模块（400）用于在与所述电池（100）的电连接导通时执行雾化工作。
  8. 根据权利要求7所述的多传感器控制电路，其特征在于，所述开关模块（300）包括MOS管（Q1）和偏置电阻（R1）；
    所述MOS管（Q1）的栅极连接至所述控制模块（200），所述MOS管（Q1）的源极接地，所述MOS管（Q1）的漏极连接至所述雾化模块（400）；所述MOS管（Q1）的栅极还通过偏置电阻（R1）接地。
  9. 根据权利要求1所述的多传感器控制电路，其特征在于，所述多传感器控制电路还包括指示模块（600）；
    所述指示模块（600）分别连接至所述电池（100）和控制模块（200），所述指示模块（600）用于在所述气流传感器（501）检测到气流时在所述控制模块（200）的控制下进行指示。
  10. 根据权利要求9所述的多传感器控制电路，其特征在于，所述指示模块（600）包括发光二极管（D2）。
  11. 一种电子烟，包括多传感器控制电路，其特征在于，所述多传感器控制电路为权利要求1-10任一项所述的多传感器控制电路 。
  12. 一种多传感器控制方法，用于电子烟，其特征在于，所述方法包括：
    S1 、每个气流传感器（501）在感应到气流时输出电压信号至对应的所述单向电路（502），
    S2 、每个单向电路（502）将对应的所述电压信号进行单向信号过滤后输出单向电压信号至控制模块（200）的输入口；
    S3 、所述控制模块（200）在接收到至少一个所述单向电路（502）发送的所述单向电压信号时控制电子烟的工作。
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