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CN113243573B - Electronic atomization device capable of preventing repeated liquid injection and control method thereof - Google Patents

Electronic atomization device capable of preventing repeated liquid injection and control method thereof Download PDF

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Publication number
CN113243573B
CN113243573B CN202110483892.5A CN202110483892A CN113243573B CN 113243573 B CN113243573 B CN 113243573B CN 202110483892 A CN202110483892 A CN 202110483892A CN 113243573 B CN113243573 B CN 113243573B
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atomizer
atomized liquid
resistor
microcontroller
atomizing
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CN113243573A (en
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林光榕
张夕勇
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Huizhou Happy Vaping Technology Ltd
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Huizhou Happy Vaping Technology Ltd
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Priority to PCT/CN2022/077620 priority patent/WO2022227828A1/en
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50Control or monitoring
    • A24F40/53Monitoring, e.g. fault detection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00Inhalators
    • A61M15/0065Inhalators with dosage or measuring devices
    • A61M15/0068Indicating or counting the number of dispensed doses or of remaining doses
    • A61M15/0081Locking means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00Inhalators
    • A61M15/06Inhaling appliances shaped like cigars, cigarettes or pipes

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Special Spraying Apparatus (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

The invention relates to an electronic atomization device for preventing repeated liquid injection from being used and a control method thereof, wherein the electronic atomization device comprises a power supply device and an atomizer which are detachably connected, the power supply device comprises a battery and a control circuit, the control circuit comprises a microcontroller, a starting switch, a power control module and an atomized liquid consumption statistics module which are electrically connected, the atomizer comprises a liquid storage cavity for storing atomized liquid, an atomization resistor and an ID chip which is electrically connected with the control circuit, the ID chip comprises an identification code storage module and a cumulative number storage module, the identification code storage module is used for storing an identification code representing unique identity codes of the atomizer, and the cumulative number storage module is used for dynamically storing the cumulative number of atomized liquid consumption; the power control module outputs power to the atomizing resistor, the atomizing resistor is electrified to atomize the atomized liquid, and the atomized liquid consumption statistics module simulates and calculates the consumption of the atomized liquid and accumulates the consumption of the atomized liquid to the accumulated number storage module through the microcontroller.

Description

Electronic atomization device capable of preventing repeated liquid injection and control method thereof
Technical Field
The invention relates to the technical field of electronic atomization equipment, in particular to electronic atomization equipment capable of preventing repeated liquid injection and a control method thereof.
Background
In the existing electronic atomizing device, atomized liquid is heated and evaporated into atomized vapor. The electronic atomization device comprises an electronic cigarette which atomizes tobacco liquid into smoke or a health device which atomizes liquid medicine into smoke for treating diseases such as respiratory tract and the like, and generally comprises a power supply device and an atomizer, wherein the power supply device generally comprises a battery and a control circuit, a microphone in the circuit is used for detecting air flow generated during inhalation, and when the air flow flows through the microphone, the microphone generates a switching action for supplying power to a heating device to start the electronic cigarette. And atomized liquid is stored outside the demisting unit of the atomizer.
The existing electronic atomization equipment has higher cost of the power supply device, and can be repeatedly used by charging for many times, and once the atomized liquid in the atomizer is used up, a new atomizer is needed to be replaced or the atomized liquid is added, so that the atomizer or the atomized liquid belongs to a product with larger consumption. Some electronic atomizing devices with good reputation in the market are popular with consumers, but due to the fact that the price of the atomizer genuine products is high, some atomizer imitations with low price or addable counterfeit atomized liquid can be sold to users for replacement use in the market. The imitative or counterfeit atomized liquid can be mistakenly used as a genuine product by an unknowing user, but the quality of the imitative or counterfeit atomized liquid is difficult to ensure, faults are difficult to avoid or bad use experience is caused in the use of the user, even damage is brought to the health of the user, and reputation loss is brought to the electronic atomized equipment of the genuine product. Therefore, the electronic atomization device of the genuine product needs to be anti-counterfeiting, and the phenomenon that a user adds atomized liquid to the atomizer of the genuine product by himself to reuse the atomized liquid is avoided.
The existing electronic atomization device has no function of preventing the use of a counterfeit atomizer and preventing the use of repeated liquid injection.
Disclosure of Invention
The invention aims to provide electronic atomization equipment for preventing repeated liquid injection and a control method thereof.
The technical scheme includes that the electronic atomization device for preventing repeated liquid injection use comprises a power supply device and an atomizer, wherein the power supply device comprises a battery and a control circuit, the control circuit comprises a microcontroller, a starting switch, a power control module and an atomized liquid consumption statistics module, the microcontroller, the starting switch, the power control module and the atomized liquid consumption statistics module are electrically connected, and the atomizer comprises a liquid storage cavity for storing atomized liquid, an atomization resistor and an ID chip electrically connected with the control circuit; the microcontroller reads data stored in the ID chip and writes the data into the ID chip, the ID chip comprises an identification code storage module and a cumulative number storage module, the identification code storage module is used for storing an identification code representing unique identity codes of the atomizer, and the cumulative number storage module is used for dynamically storing the consumption cumulative number of the atomized liquid; the starting switch is used for detecting the sucking action of a user and controlling the power output of the power control module, the power control module is used for outputting power to the atomizing resistor, the atomizing resistor is electrified to atomize atomized liquid, and the atomized liquid consumption statistics module is used for simulating and calculating the consumption of the atomized liquid in the liquid storage cavity and accumulating the consumption of the atomized liquid to the accumulated storage module through the microcontroller.
Preferably, the control circuit is configured to: after the atomizer is connected with the power supply device, the microcontroller automatically reads the identification code of the atomizer and the accumulated amount of atomized liquid consumption, and when the incorrect identification code is distinguished or the correct identification code is distinguished but the accumulated amount of atomized liquid consumption exceeds the preset total amount of atomized liquid consumption by comparison, the output of the power control module is closed.
Preferably, the ID chip further includes a read-write control module, and the ID chip shares positive and negative electrodes with the atomizing resistor by using a two-wire system, and performs data communication with the microcontroller through the read-write control module.
Preferably, the atomizer further comprises a liquid level sensor for detecting atomized liquid, the atomized liquid consumption statistics module comprises a liquid level meter, the liquid level meter counts liquid level reduction amount of the atomizer during working, and the atomized liquid consumption cumulative amount is the liquid level reduction cumulative amount.
Preferably, the atomized liquid consumption statistics module includes a mouth count counter, or a timer, or an energy counter, the mouth count counter counts the working times of the starting switch, the timer counts the working time of the starting switch, the energy counter counts the consumed energy of the atomizing resistor, that is, the product of the output power of the power control module and the working time of the starting switch, and the atomized liquid consumption cumulative count is a mouth count cumulative count, or a starting switch working time cumulative count, or a consumed energy cumulative count of the atomizing resistor.
Preferably, the start switch is one of a push button switch, a microphone switch, an air pressure sensor and an air flow sensor.
Preferably, the preset total consumption of atomized liquid is equal to the total amount of atomized liquid storable by one atomizer.
Preferably, the microcontroller comprises an MCU chip, the MCU chip comprises 28 pins, wherein the 3 RD pin is connected with a VDD signal end for supplying power to the MCU chip, the 4 th pin is grounded, the 5 th pin is connected with an MCU-RST signal end for inputting MCU reset signals, the 6 th pin is connected with a RES-DET1 for inputting detection analog signals 1 of atomizing resistors, the 7 th pin is connected with a RES-DET2 for inputting detection analog signals 2 of atomizing resistors, the 22 nd pin is connected with a MIC-DET signal end for inputting working signals of starting switches, the 23 RD pin is connected with a DAT-EN signal end for outputting pull-up control signals of read-write ID chips, the DAT-EN signal end is also connected with one end of a pull-up resistor R1, the other end of the pull-up resistor R1 is connected with a sharing end of the atomizing resistor and the ID chip, namely a PWM-OUT/WR/RD signal end, the 24 th pin is connected with an enabling switch signal of the Res-DET-EN signal end for outputting enabling switch signals of the measuring resistors, and the 28 th pin is connected with a PWM signal end for outputting enabling switch signals of the power control module.
Preferably, the ID chip is provided with two pins, one of which is connected to the PWM-OUT/WR/RD signal terminal, the PWM-OUT/WR/RD signal terminal is shared with the power output terminal of the atomizing resistor, the other pin is connected to the GND ground signal terminal, and the read-write control module, the identification code storage module and the accumulation storage module are connected in parallel.
Preferably, the read-write control module comprises a resistor R2 and a MOS tube Q1, one end of the resistor R2 is connected with a grid G and a PWM-OUT/WR/RD signal end of the MOS tube Q1 at the same time, the other end of the resistor R2 is connected with a source S of the MOS tube Q1, and a drain D of the MOS tube Q1 is connected with a GND grounding signal end.
The other technical solution of the present invention is a control method of an electronic atomizing apparatus for preventing repeated liquid injection use, comprising the steps of:
s10, setting parameters of an atomizer and initializing;
s20, detecting the resistance value of the atomizing resistor by the microcontroller;
s30, the microcontroller judges whether an atomizer is connected or not by detecting the resistance value of the atomizing resistor, if not, the cycle detection is continued, and if so, the next step is carried out;
s40, the microcontroller reads the identification code in the identification code storage module, judges whether the identification code is correct, if not, confirms that the atomizer belongs to counterfeiting and enters the step S80, and if so, confirms that the atomizer is genuine and enters the next step;
s50, the microcontroller detects the starting switch and judges whether the starting switch is in a working state, if not, the starting switch is subjected to standby cycle detection, and if so, the atomizer enters the working state and enters the next step;
s60, an atomized liquid consumption statistics module works, the atomized liquid consumption is calculated in a simulation mode, and the atomized liquid consumption is accumulated to a cumulative number storage module in an ID chip through a microcontroller 1;
s70, the microcontroller reads accumulated quantity of the atomized liquid consumption in the accumulated quantity storage module, judges whether the accumulated quantity of the atomized liquid consumption exceeds the preset total atomized liquid consumption, returns to the step S50 if not, and enters the next step if yes;
and S80, closing the output of the power control module, and prohibiting the continuous use of the atomizer.
Compared with the prior art, the invention has the beneficial effects that:
the atomizer is provided with the ID chip, different ID chips are provided with different identification codes, the microcontroller can identify the identification codes stored in the ID chip through a preset algorithm, and the atomizer can be subjected to anti-counterfeiting and identification through judging the correctness of the identification codes.
The ID chip is also internally provided with a record of accumulated consumption of the atomized liquid generated after the atomizer is used, when the accumulated consumption of the atomized liquid exceeds the preset total consumption of the atomized liquid, the power output of the power control module is immediately closed, and the atomizer is prohibited from being used continuously, so that the atomizer of a genuine product can be prevented from being used for repeated liquid injection.
The electronic atomization device provided by the invention is anti-counterfeiting and can prevent repeated liquid injection, can prevent the use of an atomizer imitation or counterfeit atomized liquid, can ensure the product quality, can prevent the health of a user from being damaged, and can effectively maintain the good reputation of a genuine atomization electronic device product.
Drawings
Fig. 1 is a structural exploded cross-sectional view of an electronic atomizing apparatus of the present invention;
FIG. 2 is a functional block diagram of the control circuit of the electronic atomizing apparatus of the present invention;
fig. 3 is a circuit diagram of a chip MCU of the electronic atomizing apparatus of the present invention;
fig. 4 is a circuit diagram of an ID chip of the electronic atomizing apparatus of the present invention;
fig. 5 is a flow chart of a control method of the resistance atomizing apparatus of the present invention.
Detailed Description
The invention will be further described in detail below with reference to the accompanying drawings:
examples
Referring to fig. 1, the electronic atomizing device for preventing repeated liquid injection according to the present invention includes a power supply device a and an atomizer B detachably connected, wherein the power supply device a includes a battery A1 and a control circuit A2, the control circuit includes a start switch 2, and the start switch 2 is used for detecting a pumping action of a user and controlling a power output of a power control module 3. The start switch 2 of this embodiment is a push-button switch that is manually pushed by the user when sucking. In other embodiments, the start switch 2 may also be a microphone switch, or an air pressure sensor, or an air flow sensor, which may automatically detect the user's pumping action. The atomizer B comprises a liquid storage cavity B1 for storing atomized liquid, an atomizing resistor 5 and an ID chip 6 electrically connected with the control circuit.
Referring to fig. 2, the control circuit A2 includes a microcontroller 1, a start switch 2, a power control module 3 and an atomized liquid consumption statistics module 4 electrically connected, wherein the microcontroller 1 reads data stored in an ID chip 6 and writes the data into the ID chip 6. The ID chip 6 includes an identification code storage module 61 and a cumulative number storage module 62, where the identification code storage module 61 is configured to store identification codes representing unique identification codes of atomizers, each different atomizer having a different identification code, where the identification code can be identified by the microcontroller only by a preset special dynamic encryption algorithm, and is difficult to crack. The accumulated amount storage module 62 is used for dynamically storing accumulated amounts of consumption of the atomized liquid; the start switch 2 is used for detecting the sucking action of a user and controlling the power output of the power control module 3, the power control module 3 outputs power to the atomizing resistor 5, the atomizing resistor 5 is electrified to atomize atomized liquid, the atomized liquid consumption statistics module 4 calculates the consumption of the atomized liquid in a simulation mode, and the consumption or the simulated consumption of the atomized liquid is accumulated to the accumulated storage module 62 through the microcontroller 1. The atomizer B is provided with an ID chip 6, different ID chips 6 store different identification codes, the microcontroller can identify the dynamic identification codes stored in the ID chip through a preset algorithm, and the atomizer can be identified in a true or false mode and distinguished from each genuine atomizer by judging the correctness of the identification codes.
The control circuit of the present embodiment is configured to: after the atomizer B is connected with the power supply device A, the microcontroller 1 automatically reads the identification code of the atomizer B and the accumulated amount of the atomized liquid consumption, and when the incorrect identification code is distinguished or the correct identification code is distinguished but the accumulated amount of the atomized liquid consumption exceeds the preset total amount of the atomized liquid consumption by comparison, the output of the power control module 3 is closed, and the atomizer is forbidden to continue to work.
Referring to fig. 2, the ID chip 6 further includes a read-write control module 63, and the ID chip 6 shares positive and negative electrodes with the atomizing resistor 5 by two wires, and performs data communication with the microcontroller 1 through the read-write control module 63.
Consumption statistics of the atomized liquid can be achieved by the following various methods:
one is to directly detect the reduction of the nebulized liquid, such as the reduction of the liquid level, in the reservoir of the nebulizer by means of a sensor to count the consumption of nebulized liquid.
One is to simulate and count the consumption of atomized liquid by counting the number of mouths of smoking or sucking fog, under normal conditions, a certain amount of atomized liquid is consumed in each mouth of fog, and a certain amount of atomized liquid stored in the liquid storage cavity can be sucked, so that the number of mouths and the consumption of atomized liquid have a certain proportional relationship. Because the starting switch works once every time smoke is sucked, the number of times of starting the switch can be counted to count the number of mouths.
The method is characterized in that the consumption of the atomized liquid is simulated and counted by counting the time length of each smoke inhalation and the accumulated time length, and under normal conditions, the atomized liquid consumed in a certain time length is basically the same, so that the time length for starting a switch to work, namely the time length for smoke inhalation and the consumption of the atomized liquid have a certain proportional relation. The time length of each smoke inhalation of the user is different, so that the statistical time length has more accurate corresponding relation with the statistical mouth number.
The consumption of the atomized liquid is simulated and counted by counting the power consumption of the atomizing resistor, when the atomized liquid is consumed, the atomized liquid is changed into a vaporous state or a vapor state, and certain heat energy or electric energy is required to be consumed, namely the power consumption of the atomizing resistor, so that the power consumption of the atomizing resistor has a certain proportional relation with the consumption of the atomized liquid. Power consumption of the atomizing resistor=output power of the power control unit×accumulated number of start-up switch operation time periods.
In this embodiment, the atomized liquid consumption statistics module 4 includes a timer 41, where the timer 41 counts the working time of the start switch 2, and the accumulated atomized liquid consumption is the accumulated number of the working time of the start switch 2.
In other embodiments, the timer may be replaced by a port counter or an energy counter, where the port counter counts the number of times the start switch 2 is operated, and the energy counter counts the consumed energy of the atomizing resistor 5, that is, the product of the output power of the power control module 3 and the operation time of the start switch 2, and the accumulated atomized liquid consumption count is the port count accumulated count, or the operation time accumulated count of the start switch 2, or the accumulated energy consumption count of the atomizing resistor 5.
In another embodiment, the atomizer B further includes a liquid level sensor (not shown in the figure) for detecting atomized liquid, and the atomized liquid consumption statistics module 4 includes a liquid level meter for counting a liquid level decrease amount of the atomizer B during operation, where the atomized liquid consumption cumulative amount is a liquid level decrease cumulative amount.
The total consumption of the predetermined atomized liquid is equivalent to the total amount of the atomized liquid which can be stored in one atomizer, so that when the user consumes the whole atomized liquid in one atomizer, even if the atomized liquid is refilled privately, the use cannot be performed. The preset value is set according to the components of the atomized liquid, the volume in the liquid storage cavity and the statistic value of the atomized liquid loss of each mouth of fog absorption or fog absorption duration.
Referring to fig. 3, the microcontroller 1 includes an MCU chip, the MCU chip includes 28 pins, wherein the 3 RD pin is connected to a VDD signal terminal for supplying power to the MCU chip, the 4 th pin is grounded, the 5 th pin is connected to an MCU-RST signal terminal for inputting an MCU reset signal, the 6 th pin is connected to a RES-DET1 for inputting a detection analog signal 1 of the atomizing resistor 5, the 7 th pin is connected to a RES-DET2 for inputting a detection analog signal 2 of the atomizing resistor 5, the 22 nd pin is connected to a MIC-DET signal terminal for inputting a working signal of the start switch 2, the 23 RD pin is connected to a DAT-EN signal terminal for outputting a pull-up control signal of the read-write ID chip 6, the DAT-EN signal terminal is also connected to one end of the pull-up resistor R1, the other end of the pull-up resistor R1 is connected to a shared end of the atomizing resistor 5 and the ID chip 6, i.e. a PWM-OUT/WR/RD signal terminal, the 24 th pin is connected to a RES-DET signal terminal for outputting an enable switch signal of the measuring resistor, and the 28 th pin is connected to a PWM enable switch signal of the power control module 3.
Referring to fig. 4, the ID chip 6 is provided with two pins, one of which is connected to the PWM-OUT/WR/RD signal terminal, which is shared by the power output terminal of the atomizing resistor, and the other of which is connected to the GND ground signal terminal, and the read/write control module 63, the identification code storage module 61 and the accumulation storage module 62 are connected in parallel. The read-write control module 63 comprises a resistor R2 and a MOS tube Q1, one end of the resistor R2 is connected with a grid G and a PWM-OUT/WR/RD signal end of the MOS tube Q1 at the same time, the other end of the resistor R2 is connected with a source S of the MOS tube Q1, and a drain D of the MOS tube Q1 is connected with a GND grounding signal end.
Embodiment of another technical solution of the invention
Referring to fig. 5, a control method of an electronic atomizing apparatus for preventing repeated liquid injection includes the following steps:
s10, setting parameters of an atomizer and initializing;
s20, detecting the resistance value of the atomizing resistor by the microcontroller;
s30, the microcontroller judges whether an atomizer is connected or not by detecting the resistance value of the atomizing resistor, if not, the cycle detection is continued, and if so, the next step is carried out;
s40, the microcontroller reads the identification code in the identification code storage module, judges whether the identification code is correct, if not, confirms that the atomizer belongs to counterfeiting and enters the step S80, and if so, confirms that the atomizer is genuine and enters the next step;
s50, the microcontroller detects the starting switch and judges whether the starting switch is in a working state, if not, the starting switch is subjected to standby cycle detection, and if so, the atomizer B enters the working state and enters the next step;
s60, the atomized liquid consumption statistics module works, the atomized liquid consumption is calculated in a simulation mode, and the atomized liquid consumption is accumulated to the accumulated number storage module in the ID chip through the microcontroller;
s70, the microcontroller reads the accumulated amount of atomized liquid consumption in the accumulated amount storage module, judges whether the accumulated amount of atomized liquid consumption exceeds the preset total amount of atomized liquid consumption, returns to the step S50 if not, and enters the next step if yes;
and S80, closing the output of the power control module, and prohibiting the continuous use of the atomizer.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. The electronic atomization device for preventing repeated liquid injection use comprises a power supply device and an atomizer which are detachably connected, and is characterized in that the power supply device comprises a battery and a control circuit, the control circuit comprises a microcontroller, a starting switch, a power control module and an atomized liquid consumption statistics module which are electrically connected, and the atomizer comprises a liquid storage cavity for storing atomized liquid, an atomizing resistor and an ID chip which is electrically connected with the control circuit; the microcontroller reads data stored in the ID chip and writes the data into the ID chip, the ID chip comprises an identification code storage module and a cumulative number storage module, the identification code storage module is used for storing an identification code representing unique identity codes of the atomizer, and the cumulative number storage module is used for dynamically storing the consumption cumulative number of the atomized liquid; the starting switch is used for detecting the sucking action of a user and controlling the power output of the power control module, the power control module is used for outputting power to the atomizing resistor, the atomizing resistor is electrified to atomize atomized liquid, the atomized liquid consumption statistics module is used for simulating and calculating the consumption of the atomized liquid in the liquid storage cavity and accumulating the consumption of the atomized liquid to the accumulated storage module through the microcontroller;
the atomized liquid consumption statistics module comprises an energy counter, wherein the energy counter counts the consumption energy of the atomizing resistor, namely the multiplication number of the output power of the power control module and the working time of the starting switch, and the accumulated atomized liquid consumption number is the accumulated consumption energy number of the atomizing resistor;
the control circuit is configured to: after the atomizer is connected with the power supply device, the microcontroller detects the resistance value of the atomizing resistor, the microcontroller judges whether the atomizer is connected or not by detecting the resistance value of the atomizing resistor, if the atomizer is not connected with the power supply device, the microcontroller continues to circularly detect, if the atomizer is not connected with the power supply device, the microcontroller automatically reads the identification code of the atomizer and the accumulated amount of atomized liquid consumption, the microcontroller judges whether the identification code is correct, if the identification code is incorrect, the atomizer is confirmed to belong to falsification and the output of the power control module is closed, the atomizer is forbidden to be continuously used, if the atomizer is correct, the microcontroller confirms that the atomizer is a genuine product, the microcontroller detects the starting switch and judges whether the starting switch is in a working state, if the atomizer is not connected with the power supply device, the atomizer enters the working state and enables the atomized liquid consumption statistical module to work, the atomized liquid consumption is calculated in a simulated mode, and the accumulated amount of the atomized liquid consumption is accumulated in the ID chip through the microcontroller; and after the microcontroller automatically reads the accumulated atomized liquid consumption amount, judging whether the accumulated atomized liquid consumption amount exceeds the preset total atomized liquid consumption amount, if not, continuously detecting a starting switch by the microcontroller and judging, and if so, closing the output of the power control module to prohibit continuous use of the atomizer.
2. The electronic atomizing device for preventing repeated liquid injection according to claim 1, wherein the ID chip further comprises a read-write control module, wherein the ID chip shares positive and negative electrodes with the atomizing resistor by two wires, and communicates data with the microcontroller through the read-write control module.
3. The electronic atomizing apparatus for preventing repeated use of liquid injection according to claim 1, wherein the start switch is one of a push-button switch, an air pressure sensor, and an air flow sensor.
4. The electronic atomizing apparatus for preventing repeated use of liquid injection according to claim 1, wherein the predetermined total consumption of atomized liquid is equivalent to the total amount of atomized liquid storable by one atomizer.
5. The electronic atomizing device for preventing repeated liquid injection according to claim 1, wherein the microcontroller comprises an MCU chip, the MCU chip comprises 28 pins, wherein a 3 RD pin is connected to a VDD signal terminal for supplying power to the MCU chip, a 4 th pin is grounded, a 5 th pin is connected to an MCU-RST signal terminal for inputting an MCU reset signal, a 6 th pin is connected to a RES-DET1 for inputting a detection analog signal 1 of an atomizing resistor, a 7 th pin is connected to a RES-DET2 for inputting a detection analog signal 2 of an atomizing resistor, a 22 nd pin is connected to a MIC-DET signal terminal for inputting a working signal of a start switch, a 23 RD pin is connected to a DAT-EN signal terminal for outputting a pull-up control signal of a read-write ID chip, the DAT-EN signal terminal is also connected to one end of a pull-up resistor R1, the other end of the pull-up resistor R1 is connected to a shared end of the atomizing resistor and the ID chip, i.e. -OUT/WR/RD signal terminal, a 24 th pin is connected to an RES-DET-signal terminal for outputting an enable switch signal of the detecting resistor, and a 28 th pin is connected to a PWM signal for outputting an enable switch module of the power control signal.
6. The electronic atomizing device for preventing repeated liquid injection according to claim 2, wherein the ID chip is provided with two pins, one pin is connected to the PWM-OUT/WR/RD signal terminal, the PWM-OUT/WR/RD signal terminal is shared with the power output terminal of the atomizing resistor, the other pin is connected to the GND ground signal terminal, and the read-write control module, the identification code storage module and the accumulation number storage module are connected in parallel.
7. The electronic atomizing device for preventing repeated liquid injection according to claim 6, wherein the read-write control module comprises a resistor R2 and a MOS transistor Q1, one end of the resistor R2 is connected with a gate G and a PWM-OUT/WR/RD signal end of the MOS transistor Q1 at the same time, the other end of the resistor R2 is connected with a source S of the MOS transistor Q1, and a drain D of the MOS transistor Q1 is connected with a GND ground signal end.
8. A control method of an electronic atomizing apparatus for preventing repeated liquid injection use according to claim 1, comprising the steps of:
s10, setting parameters of an atomizer and initializing;
s20, detecting the resistance value of the atomizing resistor by the microcontroller;
s30, the microcontroller judges whether an atomizer is connected or not by detecting the resistance value of the atomizing resistor, if not, the cycle detection is continued, and if so, the next step is carried out;
s40, the microcontroller reads the identification code in the identification code storage module, judges whether the identification code is correct, and if not, confirms that the atomizer belongs to counterfeiting and enters step S80; if the atomizer is correct, confirming that the atomizer is a genuine product and entering the next step;
s50, the microcontroller detects the starting switch and judges whether the starting switch is in a working state, if not, the starting switch is subjected to standby cycle detection, and if so, the atomizer enters the working state and enters the next step;
s60, the atomized liquid consumption statistics module works, the atomized liquid consumption is calculated in a simulation mode, and the atomized liquid consumption is accumulated to the accumulated number storage module in the ID chip through the microcontroller;
s70, the microcontroller reads accumulated quantity of the atomized liquid consumption in the accumulated quantity storage module, judges whether the accumulated quantity of the atomized liquid consumption exceeds the preset total atomized liquid consumption, returns to the step S50 if not, and enters the next step if yes;
and S80, closing the output of the power control module, and prohibiting the continuous use of the atomizer.
CN202110483892.5A 2021-04-30 2021-04-30 Electronic atomization device capable of preventing repeated liquid injection and control method thereof Active CN113243573B (en)

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