WO2021017629A1 - Electronic cigarette with manual and automatic double start and stop functions and control method therefor - Google Patents

Abstract

Provided are an electronic cigarette with manual and automatic double start and stop functions and a control method therefor. The electronic cigarette comprises an atomizer (1) and a battery assembly (2), the battery assembly (2) comprising a battery (21), a circuit control board (22) and a gas flow sensing channel (20) in communication with an atomizing cavity (10), wherein the circuit control board (22) is provided with a power supply circuit of a switch control circuit and a heating unit (13). The switch control circuit comprises a microcontroller (U1), a gas flow sensing switch (23) and a manual key switch (24) that are electrically connected to each other, wherein the gas flow sensing switch (23) is arranged in the gas flow sensing channel (20). The switch control circuit is configured such that the power supply circuit can be switched on or switched off when the switch control circuit is switched on or switched off, and the switch control circuit can be switched on or switched off when a manual operation on the manual key switch (24) is performed, and when the manual key switch (24) is not operated, the gas flow sensing switch (23) automatically detects a gas flow in the gas flow sensing channel (20), the switch control circuit is automatically switched on when a gas flow is detected, and the switch control circuit is automatically switched off when no gas flow circulation is detected.

Description

Electronic cigarette with manual and automatic dual start and stop and control method thereof Technical field

The present invention relates to the technical field of electronic cigarettes. More specifically, the present invention relates to an electronic cigarette with manual and automatic dual start and stop and a control method of the electronic cigarette with manual and automatic dual start and stop.

Background technique

The e-liquid-type atomized electronic cigarettes are generally heated by the atomizer to atomize the e-liquid to produce smoke for use by smokers. Since the e-cigarette e-liquid does not contain smoke tar, it reduces the harm of smoke tar to people’s health Therefore, electronic cigarettes are gradually replacing cigarettes and are widely used.

With the popularity of e-cigarette users, e-cigarettes can be seen everywhere in social life and ordinary households. Different users have different habits and needs for e-cigarette use. Some of the existing electronic cigarettes are equipped with manual buttons. Users are accustomed to operating manual buttons to start and stop the work of the electronic cigarettes. Some do not have manual buttons, but are equipped with microphones inside the electronic cigarettes. Users are smoking An inhalation action will occur to generate an inhalation airflow, and the electronic cigarette microphone tip automatically starts or stops the work of the electronic cigarette according to the airflow. The existing electronic cigarettes do not take into account the needs of different users, and there is no electronic cigarette with two start-stop functions at the same time, which causes inconvenience for different users.

Summary of the invention

technical problem

The purpose of the present invention is to provide an electronic cigarette with manual and automatic dual start and stop and a control method thereof in order to overcome the above technical deficiencies.

The solution to the problem

Technical solutions

The technical solution of the present invention is realized in this way, and includes an atomizer and a battery assembly. The atomizer is provided with an inhalation air channel, a smoke outlet channel and an atomization cavity for atomizing e-cigarette liquid. , The atomization cavity is located between the inhalation air duct and the smoke outlet, a heating unit for heating and atomizing the e-cigarette liquid is provided in the atomization cavity, and the battery assembly includes a battery and a circuit control board And an airflow sensing channel communicating with the atomization cavity, the circuit control board is provided with a switch control circuit and a power supply circuit for the heating unit, and the switch control circuit includes a microcontroller, an airflow sensing switch and a manual button electrically connected to each other Switch, the airflow sensing switch is arranged in the airflow sensing channel, the switch control circuit is configured to turn on or off the power supply circuit when the switch control circuit is turned on or off, the manual The key switch can turn on or off the switch control circuit during manual operation. When the manual key switch is not in operation, the airflow sensor switch automatically detects the airflow in the airflow sensor channel, and automatically turns on when the airflow is detected. The switch control circuit is turned on, and the switch control circuit is automatically turned off when no air flow is detected.

Preferably, the switch control circuit includes an airflow induction switch circuit and a manual key switch circuit, the airflow induction switch is arranged on the airflow induction switch circuit, and the manual key switch is arranged on the manual key switch circuit.

Preferably, the microcontroller has 28 pins, of which the second pin is connected to the enable signal or ENB signal, the third pin is connected to the power supply signal, or VCC signal, the fourth pin is grounded, and the sixth pin is connected The key switch signal is the BUTTON-WKUP signal, the 7th pin is connected to the clock signal, which is the SCK signal, the 12th pin is connected to the data output signal, which is the SDO signal, the 13th pin is connected to the microphone signal MIC signal, and the 21st pin is connected to the air pressure threshold The switch signal is the RDY signal, the 22nd pin is connected to the data input signal, which is the SDI signal, and the 27th pin is connected to the air pressure signal, which is the PWM signal.

Preferably, the manual key switch circuit includes: the key switch is provided with 4 contacts, wherein the contacts 1 and 3 are respectively connected to the contacts 2 and 4, the contact 1 is connected in series with the first resistor and then grounded, and the contact 1 is at the same time The first node is connected in series with the second resistor, and the first node outputs the button switch signal, namely the BUTTON-WKUP signal. At the same time, the first node is connected in series with the first capacitor and grounded, and the contact 4 is connected to the power supply signal, namely the VCC signal.

Preferably, the airflow sensing switch circuit includes: the airflow sensing switch is a microphone-type airflow switch, and the microphone-type airflow switch is provided with 3 pins, wherein the first pin is grounded, and the second pin outputs the microphone. The head signal is the MIC signal, the third pin is connected to the second capacitor in series and then grounded, and the third pin is simultaneously connected to the power supply signal, namely the VCC signal.

Preferably, the airflow sensing switch is a digital air pressure sensor, and the digital air pressure sensor detects whether there is airflow by detecting the air pressure in the airflow sensing channel.

Preferably, the airflow sensing switch circuit includes: the digital air pressure sensor has 10 pins, wherein the first pin is connected to the air pressure threshold switch signal, namely the RDY signal, the second pin is grounded, and the third pin is connected to the first pin. The three capacitors are connected in series and grounded, the third pin is connected to the power supply signal, namely the VCC signal, the fourth pin is connected to the pressure signal PWM signal, the sixth pin is connected to the data input signal SDI signal, and the seventh pin is connected to the data output signal, namely SDO Signal, the 8th pin is connected to the clock signal that is the SCK signal, and the 9th pin is connected to the enable signal that is the ENB signal.

Preferably, the air pressure threshold switch signal is a switch signal obtained by comparing the air pressure detection value with the air pressure threshold value. If the air pressure detection value is greater than the air pressure threshold value, it is an on signal, otherwise it is an off signal. The air pressure threshold value is set at The digital air pressure sensor.

Another technical solution of the present invention is a control method of an electronic cigarette with manual and automatic dual start and stop, which includes setting a switch control circuit and a power supply circuit for the heating unit in the electronic cigarette, and setting a micro switch in the switch control circuit. Controller, manual key switch and air flow sensor switch, set the switch control circuit and the power supply circuit of the heating unit to turn on or off the switch control circuit to turn on or off the power supply circuit, which can be turned on by manually operating the manual key switch Or turn off the switch control circuit, when the manual key switch is not operating, the airflow sensor switch automatically detects the airflow in the airflow sensor channel, and automatically turns on the switch control circuit when the airflow is detected, and no airflow is detected The switch control circuit is automatically turned off during circulation, so that the power supply circuit is turned on or off to start and stop the electronic cigarette.

Preferably, it further includes the following steps:

(1) Put the electronic cigarette in a standby state;

(2) The microcontroller judges whether the manual key switch has an on signal, if not, then go to the next step, if yes, go to step (5);

(3) The microcontroller judges whether the manual key switch is related to the signal, if not, then go to the next step, if yes, go to step (7);

(4) The microcontroller judges that the airflow sensor switch is in the auto-on or auto-off state, if it is in the on state, go to the next step, if it is in the off state, go back to step (7);

(5) The microcontroller controls the power supply circuit to turn on;

(6) The heating unit is energized, the smoke liquid is atomized, and the smoke can be sucked out at this time, and then return to step (2);

(7) The microcontroller controls the power supply circuit to disconnect;

(8) The heating unit is powered off, and smoke cannot be sucked out at this time, and then return to step (1).

The beneficial effects of the invention

Beneficial effect

This electronic cigarette with manual and automatic dual start and stop is equipped with a manual button switch and an airflow sensor switch. If no setting is required, the manual button switch can be used to start and stop the electronic cigarette, or it can be used without operating the manual button. The e-cigarette can be automatically activated only by directly performing the smoking action, so as to adapt to the usage habits of different users.

Brief description of the drawings

Description of the drawings

Figure 1 is a side cross-sectional view of an electronic cigarette with manual and automatic dual start and stop according to the present invention;

2 is a front cross-sectional view of an electronic cigarette with manual and automatic dual start and stop according to the present invention;

Fig. 3 is a functional structure diagram of the microcontroller of the electronic cigarette with manual and automatic dual start and stop according to the present invention;

4 is a circuit diagram of a manual key switch of an electronic cigarette with manual and automatic dual start and stop according to the present invention;

Fig. 5 is a circuit diagram of an airflow induction switch of an electronic cigarette with manual and automatic dual start and stop according to the present invention;

6 is a circuit diagram of another airflow induction switch for an electronic cigarette with manual and automatic dual start and stop according to the present invention;

Fig. 7 is a flowchart of a control method of an electronic cigarette with manual and automatic dual start and stop according to the present invention.

The best embodiment for implementing the invention

The best mode of the invention

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not used to limit the present invention.

Invention embodiment

Example

As shown in Figures 1 and 2, the present invention discloses an electronic cigarette with manual and automatic dual start and stop, including an atomizer 1 and a battery assembly 2. The atomizer 1 is provided with an inhalation airway 11 communicating with each other. , The flue gas duct 12 and the atomization cavity 10 for atomizing the e-cigarette liquid. The atomization cavity 10 is located between the inhalation air duct 11 and the flue gas duct 12, and the atomization cavity 10 is provided with heating atomization electronics Smoke and smoke liquid heating unit 13. The battery assembly 2 includes a battery 21, a circuit control board 22, and an airflow sensing channel 20 communicating with the atomization chamber 10. The circuit control board 22 is provided with a switch control circuit and a power supply circuit for the heating unit (not shown). The switch control circuit includes The micro-controller, the airflow sensor switch 23 and the manual key switch 24 are electrically connected to each other, and the airflow sensor switch 23 is arranged in the airflow sensor channel 20. The switch control circuit is configured to turn on or off the power supply circuit when the switch control circuit is turned on or off. The manual key switch 24 can turn on or off the switch control circuit during manual operation. The manual key switch 24 is not operated. When the airflow sensor switch 23 automatically detects the airflow in the airflow sensor channel 20, the switch control circuit is automatically turned on when the airflow is detected, and the switch control circuit is automatically turned off when no airflow is detected.

As shown in Figures 4 and 5, the switch control circuit includes an airflow sensor switch circuit and a manual key switch circuit. The airflow sensor switch is provided on the air sensor switch circuit, and the manual key switch is provided on the manual key switch circuit.

As shown in Figure 3, the microcontroller U1 of the present invention has 28 pins, of which the second pin is connected to the enable signal or ENB signal, the third pin is connected to the power supply signal, or VCC signal, and the fourth pin is grounded. The 6th pin is connected to the button switch signal that is the BUTTON-WKUP signal, the 7th pin is connected to the clock signal that is the SCK signal, the 12th pin is connected to the data output signal that is the SDO signal, and the 13th pin is connected to the microphone signal MIC signal. The pin is connected to the air pressure threshold switch signal or RDY signal, the 22nd pin is connected to the data input signal or SDI signal, and the 27th pin is connected to the air pressure signal or PWM signal.

As shown in Figure 4, the manual key switch circuit includes: the key switch BUTTON has 4 contacts, of which contacts 1 and 3 are connected to contacts 2 and 4 respectively, and contact 1 is connected to the first resistor R21 in series and then grounded. Point 1 is connected to the first node A in series with the second resistor R30 at the same time, the first node A outputs the key switch signal, namely the BUTTON-WKUP signal, and the first node A is connected in series with the first capacitor C _{18 and} then grounded. Contact 4 is connected to the power supply signal, that is, the VCC signal. The key switch signal of the manual key switch circuit, that is, the BUTTON-WKUP signal, is connected to the sixth pin of the aforementioned microcontroller U ₁ .

As shown in Figure 5, the airflow sensor switch circuit includes: the airflow sensor switch is a microphone airflow switch M ₁ , the microphone airflow switch M ₁ has 3 pins, of which the first pin is grounded and the second pin is output The microphone signal is the MIC signal, the third pin is connected in series with the second capacitor C _{10 and} then grounded, and the third pin is simultaneously connected to the power supply signal, namely the VCC signal. Microphones airflow switch pin 13, the second pin is connected with said microcontroller ₁ U.

In another embodiment, the air flow sensor switch is a digital air pressure sensor, and the digital air pressure sensor detects whether there is air flow by detecting the air pressure (or suction) in the air flow sensing channel. If it is detected that the detection value of air pressure (or suction force) is greater than the set value (air pressure threshold), it indicates that there is an inhalation action and air flow is generated. At this time, the switch control circuit is automatically turned on, otherwise, the switch control circuit is turned off.

The airflow sensing switch is a digital air pressure sensor, and the digital air pressure sensor detects whether there is airflow by detecting the air pressure in the airflow sensing channel.

As shown in FIG. 6, in another embodiment, the airflow sensor switch circuit includes: a digital air pressure sensor U ₂ has 10 pins, and the first pin is connected to the air pressure threshold switch signal, namely the RDY signal, and is connected to the microcontroller U The 21st pin of ₁ is connected, the 2nd pin is grounded, the 3rd pin is connected to the third capacitor C _{11 in} series and then grounded, the 3rd pin is also connected to the power supply signal, namely the VCC signal, and the 4th pin is connected to the air pressure signal PWM signal and the first pin 27 is connected to the microcontroller U _1, the connecting pin 6 and the data input signal SDI signal is connected to pin 22 of the microcontroller U _1, the first connecting pin 7 a data signal and an output signal SDO i.e. the first pin 12 is connected to the microcontroller U _1, the connector pin 8 and the clock signal SCK signal that is connected to the pin 7 of the microcontroller U _1, the first connecting pin 9 i.e. the enable signal ENB and the signal The second pin of the microcontroller U1 is connected.

The above-mentioned air pressure threshold switch signal, the RDY signal, is a signal obtained by comparing the air pressure detection value with the air pressure threshold value. If the air pressure detection value is greater than the air pressure threshold value, it is an open signal, otherwise, it is an off signal. The air pressure threshold is set in the digital air pressure sensor. .

The invention has a manual and automatic dual-start and stop electronic cigarette, and is equipped with a manual key switch and an airflow sensor switch. The manual key switch can be used for manual operation without setting or changing the manual-automatic mode. To start and stop the e-cigarette, you can also automatically start the e-cigarette by simply performing a smoking action without operating a manual button, so as to adapt to the usage habits of different users.

Another technical solution of the present invention is a control method of an electronic cigarette with manual and automatic dual start and stop, including setting a switch control circuit and a power supply circuit for the heating unit in the electronic cigarette, and setting a micro-controller in the switch control circuit The power supply circuit of the switch control circuit and the heating unit can be turned on or off by setting the switch control circuit and the power supply circuit of the heating unit to turn on or off. The power supply circuit can be turned on or off by manually operating the manual key switch. Turn off the switch control circuit. When the manual key switch is not in operation, the airflow sensor switch automatically detects the airflow in the airflow sensor channel. When the airflow is detected, the switch control circuit is automatically turned on, and it is automatically turned off when there is no airflow. Switch control circuit to turn on or off the power supply circuit to start and stop the electronic cigarette.

As shown in Figure 7, the control method of an electronic cigarette with manual and automatic dual start and stop is characterized by:

It also includes the following steps:

(1) Put the electronic cigarette in a standby state;

(2) The microcontroller judges whether the manual key switch has an on signal, if not, then go to the next step, if yes, go to step (5);

(3) The microcontroller judges whether the manual key switch is related to the signal, if not, then go to the next step, if yes, go to step (7);

(4) The microcontroller judges that the airflow sensor switch is in the auto-on or auto-off state, if it is in the on state, go to the next step, if it is in the off state, go back to step (7);

(5) The microcontroller controls the power supply circuit to turn on;

(6) The heating unit is energized, the smoke liquid is atomized, and the smoke can be sucked out, and then return to step (2);

(7) The microcontroller controls the power supply circuit to disconnect;

(8) The heating unit is powered off, and smoke cannot be sucked out at this time, and then return to step (1).

Industrial applicability

The foregoing descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

Claims (10)

An electronic cigarette with manual and automatic dual start and stop, including an atomizer and a battery assembly, characterized in that the atomizer is provided with an inhalation air duct, a smoke outlet air duct, and an atomizing electronic The atomization cavity of the smoke liquid, the atomization cavity is located between the inhalation air duct and the smoke outlet, the atomization cavity is provided with a heating unit for heating and atomizing the electronic cigarette liquid, the battery The assembly includes a battery, a circuit control board, and an airflow sensing channel communicating with the atomization cavity. The circuit control board is provided with a switch control circuit and a power supply circuit for the heating unit. The switch control circuit includes a microcontroller electrically connected to each other , An airflow sensor switch and a manual key switch, the airflow sensor switch is arranged in the airflow sensor channel, the switch control circuit is configured to switch on or off the switch control circuit when the switch control circuit is switched on or off In the power supply circuit, the manual key switch can turn on or off the switch control circuit during manual operation. When the manual key switch is not in operation, the airflow sensor switch automatically detects the airflow in the airflow sensor channel. The switch control circuit is automatically turned on when air flow is detected, and the switch control circuit is automatically turned off when no air flow is detected. The electronic cigarette with manual and automatic dual start and stop according to claim 1, wherein the switch control circuit comprises an airflow induction switch circuit and a manual key switch circuit, and the airflow induction switch is provided on the airflow induction switch circuit , The manual key switch is arranged on the manual key switch circuit. The electronic cigarette with manual and automatic dual start and stop according to claim 1, wherein the microcontroller has 28 pins, of which the second pin is connected to the enable signal, that is, the ENB signal, and the third lead The pin is connected to the power supply signal, which is the VCC signal, the fourth pin is grounded, the sixth pin is connected to the button switch signal, which is the BUTTON-WKUP signal, the seventh pin is connected to the clock signal, which is the SCK signal, and the 12th pin is connected to the data output signal, which is the SDO signal. , The 13th pin is connected to the microphone signal MIC signal, the 21st pin is connected to the air pressure threshold switch signal or RDY signal, the 22nd pin is connected to the data input signal or SDI signal, and the 27th pin is connected to the air pressure signal or PWM signal. The electronic cigarette with manual and automatic dual start and stop according to claim 2, characterized in that, the manual key switch circuit comprises: a key switch is provided with 4 contacts, of which contacts 1 and 3 are respectively connected to contact 2 , 4 is connected, contact 1 is connected to the first resistor in series and then grounded, contact 1 is connected to the first node in series with the second resistor at the same time, the first node outputs the button switch signal, namely the BUTTON-WKUP signal, and the first node is connected to the first The capacitors are connected in series and grounded, and contact 4 is connected to the power supply signal, that is, the VCC signal. The electronic cigarette with manual and automatic dual start and stop according to claim 2, wherein the airflow induction switch circuit comprises: the airflow induction switch is a microphone-type airflow switch, and the microphone-type airflow switch device There are 3 pins, of which the first pin is grounded, the second pin outputs the microphone signal that is the MIC signal, the third pin is connected in series with the second capacitor and then grounded, and the third pin is simultaneously connected to the power supply signal, namely the VCC signal. The electronic cigarette with manual and automatic dual start and stop according to claim 2, wherein the airflow sensor switch is a digital air pressure sensor, and the digital air pressure sensor detects whether the air pressure in the airflow sensor channel is There is air circulation. The electronic cigarette with manual and automatic dual start and stop according to claim 6, wherein the airflow sensor switch circuit comprises: the digital air pressure sensor has 10 pins, and the first pin is connected to the air pressure The threshold switch signal is the RDY signal, the second pin is grounded, the third pin is connected to the third capacitor in series and then grounded, the third pin is also connected to the power supply signal, namely the VCC signal, the fourth pin is connected to the air pressure signal PWM signal, and the sixth The pin is connected to the data input signal SDI signal, the 7th pin is connected to the data output signal, that is, the SDO signal, the 8th pin is connected to the clock signal, that is, the SCK signal, and the 9th pin is connected to the enable signal, that is, the ENB signal. The electronic cigarette with manual and automatic dual start and stop according to claim 7, wherein the air pressure threshold switch signal is a switch signal obtained by comparing the air pressure detection value with the air pressure threshold value, and if the air pressure detection value is greater than the air pressure threshold value It is an on signal, otherwise it is an off signal. The air pressure threshold is set in the digital air pressure sensor. A control method for an electronic cigarette with manual and automatic dual start and stop, which is characterized in that it includes a switch control circuit and a power supply circuit for a heating unit provided in the electronic cigarette, and a microcontroller, a manual key switch and a power supply circuit are provided in the switch control circuit. Airflow induction switch, the switch control circuit and the power supply circuit of the heating unit are set to turn on or off the switch control circuit to turn on or off the power supply circuit, and the switch control can be turned on or off by manually operating the manual key switch When the manual key switch is not in operation, the airflow sensor switch automatically detects the airflow in the airflow sensor channel, automatically turns on the switch control circuit when it detects airflow, and automatically turns off the switch when it detects no airflow. Switch control circuit to turn on or off the power supply circuit to start and stop the electronic cigarette. The control method of an electronic cigarette with manual and automatic dual start and stop according to claim 9, characterized in that it further comprises the following steps: (1) Put the electronic cigarette in a standby state; (2) The microcontroller judges whether the manual key switch has an on signal, if not, then go to the next step, if yes, go to step (5); (3) The microcontroller judges whether the manual key switch is related to the signal, if not, then go to the next step, if yes, go to step (7); (4) The microcontroller judges that the airflow sensor switch is in the auto-on or auto-off state, if it is in the on state, go to the next step, if it is in the off state, go back to step (7); (5) The microcontroller controls the power supply circuit to turn on; (6) The heating unit is energized, the smoke liquid is atomized, and the smoke can be sucked out at this time, and then return to step (2); (7) The microcontroller controls the power supply circuit to disconnect; (8) The heating unit is powered off, and smoke cannot be sucked out at this time, and then return to step (1).

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