CN111227319A - Electronic cigarette capable of controlling starting and adjusting power through touch pressure sensor and control method thereof - Google Patents
Electronic cigarette capable of controlling starting and adjusting power through touch pressure sensor and control method thereof Download PDFInfo
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- CN111227319A CN111227319A CN202010199615.7A CN202010199615A CN111227319A CN 111227319 A CN111227319 A CN 111227319A CN 202010199615 A CN202010199615 A CN 202010199615A CN 111227319 A CN111227319 A CN 111227319A
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- touch pressure
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- electronic cigarette
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/49—Child proofing
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/51—Arrangement of sensors
Abstract
The electronic cigarette comprises a shell, an atomizing device, a battery and a control circuit board, wherein the atomizing device comprises a heating element, the heating element is used for heating and atomizing smoke liquid into electronic smoke, the control circuit board is provided with a central control unit, a touch pressure sensor electrically connected with the central control unit, a power output unit and a system power supply unit battery, the central control unit is powered by the system power supply unit and powered by the power output unit, the central control unit controls the power output unit to adjust the power of the heating element during working, the touch pressure sensor is used for detecting the touch pressure when a user touches the touch pressure sensor and transmitting the detected touch pressure detection value to the central control unit, and the electronic cigarette has the advantages that the user can control the electronic cigarette to start or adjust the power by applying different touch pressures to the touch pressure sensor And (6) outputting.
Description
Technical Field
The invention relates to the technical field of electronic smoking sets, in particular to an electronic cigarette which is started and adjusted in power through a touch pressure sensor and a control method thereof.
Background
The electronic cigarette has the function that when a user smokes, the cigarette liquid is heated and then becomes smoke, and the smoking user can inhale the smoke with the cigarette taste. Because the tobacco juice is heated to smoke instead of burning with naked fire, the user is prevented from inhaling a large amount of harmful substances generated by burning of the tobacco products with naked fire, and the electronic cigarette is widely used for smoking.
Current electron cigarette generally includes including shell, atomizing device, battery and control circuit board, and the tobacco juice is stored to the atomizing device in to be equipped with the heating element of atomizing tobacco juice, during the heating atomization, the tobacco juice in the atomizing device is through infiltration or conduction to heating element. When the existing electronic cigarette is started, or the electronic cigarette is started in a key starting mode, or the electronic cigarette is started by automatically sensing airflow through a microphone during smoking and enters a smoking state, and the electronic cigarette cannot be effectively prevented from being smoked by children or juveniles. In addition, the conventional electronic cigarette cannot simply and automatically adjust the amount of smoke as intended by the user when smoking.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an electronic cigarette which is controlled to start and regulate power through a touch pressure sensor, wherein the touch pressure sensor of the electronic cigarette can detect the touch pressure of a finger of a user on the electronic cigarette, so that a central control unit can control the electronic cigarette to start, and a power output unit can be controlled to regulate the output power to a heating element so as to regulate the amount of smoke. Another object of the present invention is to provide a method for controlling an electronic cigarette that controls the start and adjustment of power by a touch pressure sensor.
The electronic cigarette comprises a shell, an atomizing device, a battery and a control circuit board, wherein the atomizing device comprises a heating element, the heating element is used for heating and atomizing cigarette liquid into electronic smoke, the control circuit board is provided with a central control unit, a touch pressure sensor, a power output unit and a system power supply unit, the touch pressure sensor, the power output unit and the system power supply unit are electrically connected with the central control unit, the outer surface of the touch pressure sensor is exposed out of the surface of the shell, the battery supplies power to the central control unit through the system power supply unit and supplies power to the heating element through the power output unit, the central control unit controls the power output unit to adjust the power of the heating element during working, the touch pressure sensor is used for detecting the touch pressure when a user touches the touch pressure sensor and transmitting the detected touch pressure detection value to the central control unit The unit is used for triggering the central control unit to start the electronic cigarette to enter a standby state when the electronic cigarette is in a shutdown state and the touch control pressure detection value reaches a first preset touch control pressure value or the touch control frequency in unit time reaches a preset frequency, or triggering the central control unit to send a control signal to the power output unit to enable the power output unit to carry out power regulation on the heating element when the electronic cigarette is in a smoking state and the touch control pressure detection value reaches a second preset touch control pressure value.
Preferably, the surface of the shell is further provided with a display unit electrically connected with the central control unit, and the display unit is used for displaying various working parameters and warning information when the electronic cigarette works.
Preferably, the control circuit board is further provided with a resistance value detection unit which is electrically connected with the heating element and the central control unit and is used for detecting the resistance value of the heating element, the resistance value detection unit feeds back the real-time detected resistance value of the heating element to the central control unit, and the central control unit adjusts the power output of the power output unit to be stable according to the resistance value detection value.
Preferably, the second preset touch pressure value is provided with a plurality of different preset values, and the power output unit outputs different powers to the heating element.
Preferably, the central control unit comprises a first chip, the first chip is provided with 28 pins, wherein the 3 rd pin is connected with a power supply signal end VDD, the 4 th pin is grounded, the 5 th pin is connected with a power-on reset signal end NRST, the 8 th pin is connected with a first VOLTAGE signal end R-DET of the heating element, the 9 th pin is connected with a second VOLTAGE signal end I-DET of the heating element, the 12 th pin is connected with an microphone signal end MIC, the 14 th pin is connected with a resistance measurement enabling signal end R-DET-EN, the 15 th pin is connected with a BATTERY VOLTAGE signal end BATY-VOLTAGE, the 16 th pin is connected with a RED indicator light signal end LED-RED, the 17 th pin is connected with a BATTERY VOLTAGE detection control signal end BATTERY-DIV-SW, the 18 th pin is connected with a BLUE indicator light signal end LED-BLUE, the 19 th pin is connected with a GREEN indicator light signal end LED-GREEN, the 20 th pin is connected with a first program burning signal end SWDIO, the 21 st pin is connected with a second program burning signal end SWCLK, the 23 rd pin is connected with a touch pressure data communication negative signal end S-, the 23 rd pin is connected with a touch pressure data communication positive signal end S +, and the 28 th pin is connected with a power control signal end PWM-EN.
Preferably, the touch pressure sensor includes a second chip, the second chip is provided with four pins, wherein the 1 st pin is connected with the negative signal end S-of touch pressure data communication, the 2 nd pin is connected with the positive signal end S + of touch pressure data communication, the 3 rd pin is grounded, the 4 th pin is connected with the power signal end VDD, meanwhile, a resistor R2 is connected between the 1 st pin and the 4 th pin, a resistor R8 is connected between the 2 nd pin and the 4 th pin, the 4 th pin is connected with a filter capacitor C4, and the other end of the filter capacitor C4 is grounded.
Preferably, the power output unit comprises a first MOS transistor and a second MOS transistor, both of which comprise 8 pins, wherein the 1 st, 2 nd, 6 th, 7 th and 8 th pins are combined into a D pole, the 3 rd pin is a G pole, the 4 th and 5 th pins are combined into an S pole, the D pole of the second MOS tube is connected with the output voltage signal end PWM-OUT of the heating element, the D pole of the second MOS tube is also connected with a resistor R3 and then connected with the second voltage signal end I-DET of the heating element, the second voltage signal end I-DET of the heating element is connected with the resistor R33 and the capacitor C2 in parallel and then grounded, the D pole of the first MOS tube is connected with the resistor R11 and then connected with the first voltage signal end R-DET of the heating element, a first voltage signal end R-DET end of the heating element is connected with a resistor R24 and a capacitor C1 in parallel and then grounded, and a resistor R5 is also connected between the D pole of the first MOS tube and the D pole of the second MOS tube; the resistor R7 is connected in series between the G pole and the S pole of the second MOS tube, the G pole and the S pole of the first MOS tube are connected in series with the resistor R1, the S pole of the second MOS tube is directly connected with the S pole of the first MOS tube and is connected with a power supply signal BAT +, the G pole of the second MOS tube is connected with a power control signal end PWM-EN, and the G pole of the first MOS tube is connected with a measurement resistor enabling signal end R-DET-EN.
Preferably, the control circuit board is further provided with a BATTERY VOLTAGE detection unit electrically connected with the central control unit, the BATTERY VOLTAGE detection unit comprises a resistor R13 connected with a BATTERY positive terminal BAT +, the other end of the resistor R13 is simultaneously connected with a BATTERY VOLTAGE detection signal terminal BATTERY-VOLTAGE, one end of a resistor R20 and one end of a capacitor C9, the other end of the capacitor C9 is grounded, and the other end of the resistor R20 is connected with a BATTERY VOLTAGE detection control signal terminal BATTERY-DIV-SW.
The invention also provides a control method of the electronic cigarette, which controls the starting and the power regulation through the touch pressure sensor, and comprises the following steps:
⑴ initializing parameters, including touch pressure sensor parameter initialization, central control unit initialization of startup parameters, and central control unit initialization of output regulation;
⑵, judging whether the electronic cigarette is in a starting state, if so, entering the step (8), and if not, entering the next step;
⑶, the touch pressure sensor detects whether there is a touch signal, if yes, step (5) is carried out, if no, the next step is carried out;
⑷ keeping the electronic cigarette in power-off state, and returning to the previous step;
⑸ the central control unit reads the touch pressure detection value or the touch frequency in unit time;
⑹ the central control unit judges whether the touch pressure detection value or the touch frequency in unit time reaches a first preset touch pressure value or preset frequency, if yes, the next step is carried out, if not, the step (4) is returned;
⑺ the electronic cigarette is automatically started;
⑻ the electronic cigarette enters into smoking state;
⑼ the touch pressure sensor detects whether there is touch signal, if not, it returns to the previous step, if yes, it goes to the next step;
⑽ the central control unit reads the touch pressure detection value;
⑾ the central control unit judges whether the touch pressure detection value reaches the second preset touch pressure value, if yes, the next step is carried out, if not, the step (8) is returned;
⑿ the central control unit controls the power output unit to adjust the output power to the heating element according to the preset method.
Compared with the prior art, the electronic cigarette has the advantages that the user can control the electronic cigarette to start by applying different touch pressures or touch times to the touch pressure sensor, the starting of applying different touch pressures or touch times needs to be provided with a certain know-how in advance, and therefore children or minors who do not know the know-how can be prevented from smoking by using the electronic cigarette. In addition, when smoking, the user can control and adjust the power output by applying different touch pressures to the touch pressure sensor, so that different smoke amounts can be emitted, the smoke amount can be simply and automatically adjusted according to the user's will, and different requirements of the user can be met.
Drawings
Figure 1 is a schematic perspective view of an electronic cigarette of the present invention;
figure 2 is a schematic front view of an electronic cigarette of the present invention;
figure 3 is a functional block diagram of the electronic cigarette of the present invention;
FIG. 4 is a circuit connection structure diagram of a first chip of the central control unit according to the present invention;
FIG. 5 is a circuit connection structure diagram of a second chip of the touch pressure sensor according to the present invention;
FIG. 6 is a circuit connection structure diagram of the power output unit of the present invention;
FIG. 7 is a circuit connection configuration diagram of a battery voltage detecting unit according to the present invention;
fig. 8 is a flow chart of a control method of the present invention.
Detailed Description
The shutdown state of the electronic cigarette refers to that most of the control circuit is in a dormant state, only the touch pressure sensor is in a detection state, and the MCU keeps a minimum judgment state for the touch pressure sensor. The starting state or the standby state of the electronic cigarette refers to that the control circuit and the elements of the electronic cigarette are powered on or in a standby state, and the smoking state of the electronic cigarette refers to that the control circuit is powered on or in a standby state, the heating element is powered on, and a user smokes and sends out smoke.
The invention will be described in more detail below with reference to the accompanying drawings:
examples
As shown in fig. 1 and fig. 2, the electronic cigarette of the present invention, which is controlled to start and adjust power by a touch pressure sensor, includes a housing 1, an atomizing device 2, a battery 3 and a control circuit board 4, wherein the atomizing device 2 includes a heating element 21 for heating and atomizing a tobacco liquid 6 into an electronic smoke, a touch panel 5 is disposed on a surface of the housing 1, and the touch panel 5 is a part of the touch pressure sensor 41.
As shown in fig. 3, the control circuit board 4 is provided with a central control unit 40, a touch pressure sensor 41 electrically connected to the central control unit 40, a power output unit 42 and a system power supply unit 43, an outer surface of the touch pressure sensor 41 is exposed on the surface of the housing 1, the battery 3 supplies power to the central control unit 40 through the system power supply unit 43 and supplies power to the heating element 21 through the power output unit 42, the central control unit 40 controls the power output unit 42 to adjust power of the heating element 21 during operation, and the touch pressure sensor 41 is configured to detect a touch pressure when a user touches the heating element with a hand and transmit a detected touch pressure value to the central control unit 40. When the electronic cigarette of the present invention is in a shutdown state, and the touch pressure detection value reaches the first preset touch pressure value or the touch frequency reaches the preset frequency in unit time, the central control unit 40 may be triggered to start the electronic cigarette of the present invention to enter a standby state, or when the electronic cigarette of the present invention is in a smoking state and the touch pressure detection value reaches the second preset touch pressure value, the central control unit 40 is triggered to send a control signal to the power output unit 42, so that the power output unit 42 performs power adjustment on the heating element 21.
As described above, the user controls the electronic cigarette to start by applying different touch pressures or touch times to the touch pressure sensor, and the start by applying different touch pressures or touch times needs to have a certain know-how to know in advance, and under normal conditions, the child or the minor does not know the know-how, so that the child or the minor can be prevented from smoking by using the electronic cigarette of the present invention. In addition, the second preset touch pressure value may have a plurality of different preset values, so that the power output unit 42 may output different powers to the heating element 21. For example, the larger the detected touch pressure detection value is, the larger the output power to the heating element 21 is, and the larger the power is, the more smoke is emitted from the atomizing device 2. Namely, the larger the touch pressure applied to the touch pressure sensor by the user is, the more the smoke is sucked out, so that the smoke can be simply and automatically adjusted according to the intention of the user, and different requirements of the user on the smoke can be met.
As shown in fig. 2 and 3, the surface of the housing 1 is further provided with a display unit 44 electrically connected to the central control unit 40, and the display unit 44 is used for displaying various operating parameters and warning information when the electronic cigarette is in operation.
As shown in fig. 3, the control circuit board 4 is further provided with a resistance value detection unit 45 electrically connected to the heating element 21 and the central control unit 40 and used for detecting the resistance value of the heating element 21, when a user smokes, the resistance value detection unit 45 feeds back the real-time detected resistance value of the heating element to the central control unit 40, the central control unit 40 can also adjust the power output unit 43 according to the resistance value, and the power output unit 43 maintains stable power output to the heating element 21. In the smoking process of the electronic cigarette, the resistance value of the heating element generally changes along with the temperature change, the resistance value changes, the power also changes, the amount of the sucked smoke changes, and the amount of the sucked smoke is unstable. In order to maintain the stability of the smoke amount in the smoking process, the central control unit 40 can adjust the power output according to the resistance value detection value to ensure the stability of the power output.
As shown in fig. 4, the central control unit 40 includes a first MCU chip having 28 pins, wherein pin 3 is connected to a VDD of a power supply signal terminal, the VOLTAGE of the VDD is generally 2.5V, pin 4 is grounded, pin 5 is connected to a NRST of a power-on reset signal terminal, pin 8 is connected to a R-DET of a first VOLTAGE signal terminal of a heating element, pin 9 is connected to a I-DET of a second VOLTAGE signal terminal of the heating element, pin 12 is connected to a MIC signal terminal MIC, pin 14 is connected to a R-DET-EN of a resistance measurement enable signal terminal, pin 15 is connected to a BATTERY VOLTAGE signal terminal BATTERY-VOLTAGE, pin 16 is connected to a RED indicator light signal terminal LED-RED, pin 17 is connected to a BATTERY VOLTAGE detection control signal terminal BATTERY-DIV-SW, pin 18 is connected to a BLUE indicator light signal terminal LED-BLUE, the 19 th pin is connected with a GREEN indicator light signal end LED-GREEN, the 20 th pin is connected with a first program burning signal end SWDIO, the 21 st pin is connected with a second program burning signal end SWCLK, the 23 th pin is connected with a touch pressure data communication negative signal end S-, the 23 rd pin is connected with a touch pressure data communication positive signal end S +, and the 28 th pin is connected with a power control signal end PWM-EN. In the above, the power-on reset signal end NRST is used for resetting relevant parameters when the chip is powered on, the microphone signal end MIC is used for receiving a switching signal that the microphone senses an inspiratory airflow when smoking so as to trigger the power output unit to output power to start smoking, the first voltage signal end R-DET and the second voltage signal end I-DET of the heating element are used for receiving a voltage or resistance signal of the heating element, the touch pressure data communication negative signal end S-, the touch pressure data communication positive signal end S + is used for receiving a detection signal of the touch pressure sensor, and the power control signal end PWM-EN is used for sending a power regulation signal to the power output unit. In the above, the power-on reset signal end NRST is used for resetting relevant parameters when the chip is powered on, the microphone signal end MIC is used for receiving a switching signal that the microphone senses an inspiratory airflow when smoking so as to trigger the power output unit to output power to start smoking, the first voltage signal end R-DET and the second voltage signal end I-DET of the heating element are used for receiving a voltage or resistance signal of the heating element, the touch pressure data communication negative signal end S-, the touch pressure data communication positive signal end S + is used for receiving a detection signal of the touch pressure sensor, and the power control signal end PWM-EN is used for sending a power regulation signal to the power output unit.
As shown in fig. 5, the touch pressure sensor includes a second chip U2, the second chip U2 is provided with four pins, wherein the 1 st pin is connected to the negative signal end S "of touch pressure data communication, the 2 nd pin is connected to the positive signal end S + of touch pressure data communication, the 3 rd pin is grounded, the 4 th pin is connected to the power signal end VDD, meanwhile, a resistor R2 is connected between the 1 st pin and the 4 th pin, a resistor R8 is connected between the 2 nd pin and the 4 th pin, the 4 th pin is connected to the filter capacitor C4, and the other end of the filter capacitor C4 is grounded. The second chip U2 transmits a touch pressure detection signal to the first chip MCU through the touch pressure data communication negative signal terminal S-and the touch pressure data communication positive signal terminal S +.
As shown in fig. 6, the power output unit includes a first MOS transistor Q1 and a second MOS transistor Q2, both of which include 8 pins, the first, second, third, fourth, fifth and sixth pins Q1, the third pin 3, the fourth pin 4 and the fourth pin 5 are combined to form a first pin S, the fourth pin D2 is connected to the output voltage signal terminal PWM-OUT of the heating element, the fourth pin D2 is also connected to the second voltage signal terminal I-DET of the heating element after being connected to the resistor R3, the second voltage signal terminal I-DET of the heating element is connected to the resistor R33 and the capacitor C2 in parallel and then grounded, the fourth pin D of the first pin is connected to the resistor R11 and then connected to the first voltage signal terminal R-DET of the heating element, the first voltage signal terminal R-DET of the heating element is connected to the resistor R24 and the capacitor C1 in parallel and then grounded, and the resistor R5 is connected between the fourth pin D of the first pin Q1 and the fourth pin D2 of the second pin Q2; a resistor R7 is connected between the G pole and the S pole of the second MOS tube Q2 in series, the G pole and the S pole of the first MOS tube Q1 are connected with the resistor R1 in series, the S pole of the second MOS tube Q2 is directly connected with the S pole of the first MOS tube Q1 and is connected with a battery anode signal BAT +, the G pole of the second MOS tube Q2 is connected with a power control signal end PWM-EN, and the G pole of the first MOS tube Q1 is connected with a resistance measurement enabling signal end R-DET-EN. The first chip MCU of the central control unit can input a power control signal to the power output unit through the power control signal end PWM-EN.
As shown in fig. 3 and 7, the control circuit board 4 is further provided with a BATTERY VOLTAGE detection unit 46 electrically connected to the central control unit 40, the BATTERY VOLTAGE detection unit 46 includes a resistor R13 connected to the BATTERY positive terminal BAT +, the other end of the resistor R13 is simultaneously connected to the BATTERY VOLTAGE detection signal terminal BATTERY-VOLTAGE, one end of the resistor R20 and one end of the capacitor C9, the other end of the capacitor C9 is grounded, and the other end of the resistor R20 is connected to the BATTERY VOLTAGE detection control signal terminal BATTERY-DIV-SW. The battery voltage detecting unit 46 is used for detecting the battery voltage change, after the electronic cigarette is used for a long time, the battery voltage is reduced, the voltage reduction can cause the battery power output to be reduced, and the smoke amount during smoking is reduced, at this time, the central control unit 40 can maintain the stability of the output power according to the change of the battery voltage.
As shown in fig. 8, the method for controlling the electronic cigarette to start and adjust power by using the touch pressure sensor of the present invention includes the following steps:
⑴ parameter initialization or initial setting, including touch pressure sensor parameter initialization, central control unit MCU initialization to startup parameters, central control unit MCU initialization to output power regulation;
⑵, judging whether the electronic cigarette is in a starting state, if so, entering the step (8), and if not, entering the next step;
⑶, the touch pressure sensor detects whether there is a touch signal, if yes, step (5) is carried out, if no, the next step is carried out;
⑷ keeping the electronic cigarette in power-off state, and returning to the previous step;
⑸ the central control unit reads the touch pressure detection value or the touch frequency in unit time;
⑹ the central control unit judges whether the touch pressure detection value or the touch frequency in unit time reaches a first preset touch pressure value or preset frequency, if yes, the next step is carried out, if not, the step (4) is returned;
⑺ the electronic cigarette is automatically started;
⑻ the electronic cigarette enters into smoking state;
⑼ the touch pressure sensor detects whether there is touch signal, if not, it returns to the previous step, if yes, it goes to the next step;
⑽ the central control unit reads the touch pressure detection value;
⑾ the central control unit judges whether the touch pressure detection value reaches the second preset touch pressure value, if yes, the next step is carried out, if not, the step (8) is returned;
⑿ the central control unit controls the power output unit to adjust the output power to the heating element according to the preset method.
It should be understood that the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides an electronic cigarette through touch-control pressure sensor control starts and adjust power, includes shell, atomizing device, battery and control circuit board, atomizing device includes heating element, heating element is used for heating the atomizing of tobacco juice into electron smog, its characterized in that: the control circuit board is provided with a central control unit, a touch pressure sensor, a power output unit and a system power supply unit, wherein the touch pressure sensor, the power output unit and the system power supply unit are electrically connected with the central control unit, the outer surface of the touch pressure sensor is exposed out of the surface of the shell, the battery supplies power to the central control unit through the system power supply unit and supplies power to the heating element through the power output unit, the central control unit controls the power output unit to adjust the power of the heating element during working, the touch pressure sensor is used for detecting the touch pressure when a user touches the electronic cigarette and transmitting a detected touch pressure detection value to the central control unit, and when the electronic cigarette is in a shutdown state and the touch pressure detection value reaches a first preset touch pressure value or the touch frequency reaches preset frequency within unit time, the central control unit is triggered to start the electronic cigarette to enter a standby state, or when the electronic cigarette is in a smoking state and the touch pressure detection value reaches a second preset touch pressure value, the central control unit is triggered to send a control signal to the power output unit so that the power output unit can regulate the power of the heating element.
2. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the surface of the shell is also provided with a display unit electrically connected with the central control unit, and the display unit is used for displaying various working parameters and warning information when the electronic cigarette works.
3. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the control circuit board is also provided with a resistance value detection unit which is electrically connected with the heating element and the central control unit and is used for detecting the resistance value of the heating element resistor, the resistance value detection unit feeds back the real-time detected resistance value of the heating element to the central control unit, and the central control unit adjusts the power output of the power output unit to be stable according to the resistance value detection value.
4. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the second preset touch pressure value is provided with a plurality of different preset values, and the power output unit outputs different powers to the heating element.
5. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the central control unit comprises a first chip, the first chip is provided with 28 pins, wherein the 3 rd pin is connected with a power supply signal end VDD, the 4 th pin is grounded, the 5 th pin is connected with a power-on reset signal end NRST, the 8 th pin is connected with a first VOLTAGE signal end R-DET of a heating element, the 9 th pin is connected with a second VOLTAGE signal end I-DET of the heating element, the 12 th pin is connected with a microphone signal end MIC, the 14 th pin is connected with a resistance measurement enabling signal end R-DET-EN, the 15 th pin is connected with a BATTERY VOLTAGE signal end TERY-VOLTAGE, the 16 th pin is connected with a RED indicator light signal end LED-RED, the 17 th pin is connected with a BATTERY VOLTAGE detection control signal end BATTERY-DIV-SW, the 18 th pin is connected with a BLUE indicator light signal end LED-BLUE, the 19 th pin is connected with a GREEN indicator light signal end LED-GREEN, the 20 th pin is connected with a first program burning signal end SWDIO, the 21 st pin is connected with a second program burning signal end SWCLK, the 23 rd pin is connected with a touch pressure data communication negative signal end S-, the 23 rd pin is connected with a touch pressure data communication positive signal end S +, and the 28 th pin is connected with a power control signal end PWM-EN.
6. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the touch pressure sensor comprises a second chip, the second chip is provided with four pins, wherein the 1 st pin is connected with a negative signal end S-of touch pressure data communication, the 2 nd pin is connected with a positive signal end S + of touch pressure data communication, the 3 rd pin is grounded, the 4 th pin is connected with a power signal end VDD, meanwhile, a resistor R2 is connected between the 1 st pin and the 4 th pin, a resistor R8 is connected between the 2 nd pin and the 4 th pin, the 4 th pin is simultaneously connected with a filter capacitor C4, and the other end of the filter capacitor C4 is grounded.
7. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the power output unit comprises a first MOS tube and a second MOS tube, both of which comprise 8 pins, wherein the 1 st, 2 nd, 6 th, 7 th and 8 th pins are combined into a D pole, the 3 rd pin is a G pole, the 4 th and 5 th pins are combined into an S pole, the D pole of the second MOS tube is connected with the output voltage signal end PWM-OUT of the heating element, the D pole of the second MOS tube is also connected with a resistor R3 and then connected with the second voltage signal end I-DET of the heating element, the second voltage signal end I-DET of the heating element is connected with the resistor R33 and the capacitor C2 in parallel and then grounded, the D pole of the first MOS tube is connected with the resistor R11 and then connected with the first voltage signal end R-DET of the heating element, a first voltage signal end R-DET end of the heating element is connected with a resistor R24 and a capacitor C1 in parallel and then grounded, and a resistor R5 is also connected between the D pole of the first MOS tube and the D pole of the second MOS tube; the resistor R7 is connected in series between the G pole and the S pole of the second MOS tube, the G pole and the S pole of the first MOS tube are connected in series with the resistor R1, the S pole of the second MOS tube is directly connected with the S pole of the first MOS tube and is connected with a power supply signal BAT +, the G pole of the second MOS tube is connected with a power control signal end PWM-EN, and the G pole of the first MOS tube is connected with a measurement resistor enabling signal end R-DET-EN.
8. The electronic cigarette controlled to start and regulate power by the touch pressure sensor according to claim 1, wherein: the control circuit board is also provided with a BATTERY VOLTAGE detection unit electrically connected with the central control unit, the BATTERY VOLTAGE detection unit comprises a resistor R13 connected with a BATTERY positive terminal BAT +, the other end of the resistor R13 is simultaneously connected with a BATTERY VOLTAGE detection signal terminal BATTERY-VOLTAGE, one end of a resistor R20 and one end of a capacitor C9, the other end of the capacitor C9 is grounded, and the other end of the resistor R20 is connected with a BATTERY VOLTAGE detection control signal terminal BATTERY-DIV-SW.
9. The control method of the electronic cigarette with the touch pressure sensor controlling the start and the regulation of the power according to any one of claims 1 to 8, characterized by comprising the following steps:
⑴ initializing parameters, including touch pressure sensor parameter initialization, central control unit initialization of startup parameters, and central control unit initialization of output regulation;
⑵, judging whether the electronic cigarette is in a starting state, if so, entering the step (8), and if not, entering the next step;
⑶, the touch pressure sensor detects whether there is a touch signal, if yes, step (5) is carried out, if no, the next step is carried out;
⑷ keeping the electronic cigarette in power-off state, and returning to the previous step;
⑸ the central control unit reads the touch pressure detection value or the touch frequency in unit time;
⑹ the central control unit judges whether the touch pressure detection value or the touch frequency in unit time reaches a first preset touch pressure value or preset frequency, if yes, the next step is carried out, if not, the step (4) is returned;
⑺ the electronic cigarette is automatically started;
⑻ the electronic cigarette enters into smoking state;
⑼ the touch pressure sensor detects whether there is touch signal, if not, it returns to the previous step, if yes, it goes to the next step;
⑽ the central control unit reads the touch pressure detection value;
⑾ the central control unit judges whether the touch pressure detection value reaches the second preset touch pressure value, if yes, the next step is carried out, if not, the step (8) is returned;
⑿ the central control unit controls the power output unit to adjust the output power to the heating element according to the preset method.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010199615.7A CN111227319A (en) | 2020-03-20 | 2020-03-20 | Electronic cigarette capable of controlling starting and adjusting power through touch pressure sensor and control method thereof |
| PCT/CN2021/073851 WO2021184964A1 (en) | 2020-03-20 | 2021-01-26 | Electronic cigarette of which start-up and power adjustment are controlled by means of touch pressure sensor, and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010199615.7A CN111227319A (en) | 2020-03-20 | 2020-03-20 | Electronic cigarette capable of controlling starting and adjusting power through touch pressure sensor and control method thereof |
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| CN111227319A true CN111227319A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| WO (1) | WO2021184964A1 (en) |
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