Intelligent electronic atomizer control circuit and electronic atomizer

Abstract

The utility model provides an intelligent electronic atomizer control circuit. The intelligent electronic atomizer control circuit comprises a microcontroller, a display screen, an acceleration sensor, a heating wire atomizer, an airflow sensor, an RFID card reader and a loudspeaker module. The acceleration sensor module is connected with the microcontroller module through a clock and a data signal end. And the loudspeaker module receives analog signal control of the microcontroller so as to give out a corresponding prompt tone. According to the circuit, the acceleration sensor is used for collecting data, after the data are processed and analyzed by the microcontroller, atomization of the heating wire and the loudspeaker module can be controlled, and step number calculation and smoking posture detection and reminding are achieved at the same time. When dangerous states such as vertical inversion of the cigarette holder are detected, the microcontroller interrupts the work of the heating wire and triggers the loudspeaker to give an alarm, so that high-temperature tobacco tar is effectively prevented from flowing back, and the safety and functionality of the control circuit of the intelligent electronic atomizer are improved.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of intelligent control of electronic atomizers, and in particular to an intelligent electronic atomizer control circuit and an electronic atomizer. BACKGROUND

[0002] In the current technical background, electronic atomizers, as a widely used alternative to smoking products, mainly focus on providing a smoking inhalation experience and related basic functions, such as battery power supply, tobacco atomization, information display, etc. However, in the design of traditional electronic atomizers, the intelligent monitoring function related to user health behavior is often overlooked. Specifically, most electronic atomizer products on the market are limited to meeting the smoking needs of users, and fail to effectively integrate health management elements, making the electronic atomizer as an independent product have single attributes and functions, thereby affecting the user experience in daily use.

[0003] For example, the contrast document CN202222028896.7 discloses an electronic cigarette. Initially, the user connects the cartridge with the cigarette rod, and this action is accurately captured by the cartridge detection module and immediately reported to the controller. Subsequently, the controller responds to this connection signal and immediately starts the built-in timer to start timing and simultaneously starts real-time monitoring of the accelerometer data. In the following first specified time period, if the accelerometer senses the acceleration change of the cigarette rod due to the user picking it up or other actions, the controller will quickly respond and trigger the electronic lock to perform the unlocking operation. When the user starts to smoke the electronic cigarette, the negative pressure sensor immediately senses this behavior change and feeds back the signal to the controller, which immediately resets the timer to continue monitoring the subsequent acceleration changes and smoking activities. If the user does not perform any smoking or related operations within the second specified time period, the timer will trigger the controller to perform the locking operation of the electronic lock to ensure the safety of the electronic cigarette. However, the acceleration sensor in the contrast document is only used for unlocking and locking functions of the electronic cigarette, making the scheme have single function and difficult to meet the diversified needs of users. UTILITY MODEL CONTENT

[0004] The purpose of the present disclosure is to overcome the deficiencies in the prior art and provide an intelligent electronic atomizer control circuit and an electronic atomizer that can obtain the number of steps of a user, have voice reminders, and prevent backflow.

[0005] The purpose of the present disclosure is achieved by the following technical solutions:

[0006] The application discloses an intelligent electronic atomizer control circuit which comprises a microcontroller module, a display screen module, an acceleration sensor module, a heating wire atomization module, an air flow sensor module, an RFID card reader module and a speaker module.

[0007] The acceleration sensor module comprises an acceleration sensing chip, a first current limiting resistor and a first filter capacitor, a first clock signal communication end of the acceleration sensing chip is connected with a first clock signal transmission end of the microcontroller module, a first data signal communication end of the acceleration sensing chip is connected with a first data signal transmission end of the microcontroller module, the acceleration sensing chip is used for sensing the moving distance and acceleration of the electronic atomizer to obtain the moving steps and posture, a first end of the first current limiting resistor is used for being connected with an external power supply end, a second end of the first current limiting resistor is connected with a power input end of the acceleration sensing chip, a first end of the first filter capacitor is connected with the second end of the first current limiting resistor, and a second end of the first filter capacitor is grounded.

[0008] The speaker module comprises a speaker control chip and a second current limiting resistor, a first end of the second current limiting resistor is used for being connected with an external power supply end, a second end of the second current limiting resistor is connected with a power input end of the speaker control chip, and a first analog signal output end of the microcontroller module is connected with a control signal input end of the speaker control chip.

[0009] In one of the embodiments, the microcontroller module comprises a microcontroller chip, a first voltage dividing resistor and a first pull-up resistor, a first end of the first voltage dividing resistor is used for being connected with an external power supply end, a second end of the first voltage dividing resistor is connected with a backup power input end of the microcontroller chip, a first end of the first pull-up resistor is used for being connected with an external power supply end, and a second end of the first pull-up resistor is connected with a first clock signal transmission end of the microcontroller chip.

[0010] In one of the embodiments, the display screen module comprises a display screen control chip, a third current limiting resistor and a second filter capacitor, a video signal sending end of the display screen control chip is connected with a USART signal receiving end of the microcontroller module, a video signal receiving end of the display screen control chip is connected with a USART signal sending end of the microcontroller module, a first end of the third current limiting resistor is used for being connected with an external power supply end, a second end of the third current limiting resistor is connected with a power end of the display screen control chip, a first end of the second filter capacitor is connected with the first end of the third current limiting resistor, and a second end of the second filter capacitor is grounded.

[0011] In one of the embodiments, the heating wire atomization module comprises a first electronic switch tube, a second voltage dividing resistor and a heating resistor, a first end of the first electronic switch tube is used for connecting with an external power supply end, a second end of the first electronic switch tube is connected with a first end of the heating resistor, a control end of the first electronic switch tube is connected with a first end of the second voltage dividing resistor, a second end of the second voltage dividing resistor is connected with a heating wire signal control end of the microcontroller module, and a second end of the heating resistor is grounded.

[0012] In one of the embodiments, the heating wire atomization module further comprises a third voltage dividing resistor, a first end of the third voltage dividing resistor is used for connecting with an external power supply end, and a second end of the third voltage dividing resistor is connected with a first end of the first electronic switch tube.

[0013] In one of the embodiments, the airflow sensor module comprises an airflow sensing chip and a fourth current limiting resistor, a first end of the fourth current limiting resistor is used for connecting with an external power supply end, a second end of the fourth current limiting resistor is connected with a power supply end of the airflow sensing chip, and an airflow signal output end of the airflow sensing chip is connected with an airflow signal input end of the microcontroller module.

[0014] In one of the embodiments, the RFID card reader module comprises a fifth current limiting resistor and an RFID card reader chip, a first end of the fifth current limiting resistor is used for connecting with an external power supply end, a second end of the fifth current limiting resistor is connected with a power supply input end of the card reader chip, a second clock signal communication end of the RFID card reader chip is connected with a second clock signal transmission end of the microcontroller module, and a second data signal communication end of the RFID card reader chip is connected with a second data signal transmission end of the microcontroller module.

[0015] In one of the embodiments, the microcontroller chip is any one of STM32F722RET6, STM32L011F4U6TR and F280049PMS.

[0016] In one of the embodiments, the acceleration sensing chip is any one of LIS3DHTR, BNO055 and LSM303DTR.

[0017] An electronic atomizer comprises the intelligent electronic atomizer control circuit according to any one of the above.

[0018] Compared with the prior art, the present disclosure has at least the following advantages:

[0019] 1. The intelligent electronic atomizer control circuit described above, through the acceleration sensor module collects acceleration related data and transmits to the microcontroller module, and then the microcontroller module quickly processes and analyzes the data of the acceleration sensor according to the control algorithm, and outputs the control signal to the heating wire atomization module and the loudspeaker module, so as to realize the functions of step calculation, smoking posture detection and reminding, and further improve the intelligent level of the intelligent electronic atomizer control circuit.

[0020] 2. When the microcontroller module calculates the data transmitted by the acceleration sensor module, and reflects that the mouthpiece part of the electronic atomizer is in a dangerous state of vertical inversion, the control signal will be output to interrupt the work of the heating wire atomization module, and at the same time an analog signal will be output to the loudspeaker module to issue an alarm prompt sound, so as to avoid the risk of high-temperature tobacco oil backflow caused by user's misoperation, and further improve the safety and functionality of the intelligent electronic atomizer control circuit. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present disclosure, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0022] Figure 1 The circuit diagram of the intelligent electronic atomizer control circuit of an embodiment. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present disclosure, the following will refer to the related drawings to make a more comprehensive description of the present disclosure. The preferred embodiments of the present disclosure are shown in the drawings. However, the present disclosure can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] To better understand the technical solutions and beneficial effects of this disclosure, the following detailed description is provided in conjunction with specific embodiments:

[0027] like Figure 1 As shown, an embodiment of the intelligent electronic atomizer control circuit 10 of this disclosure includes a microcontroller module, a display module, an accelerometer module, a heating wire atomization module, an airflow sensor module, an RFID reader module, and a speaker module. The display module, the heating wire atomization module, the airflow sensor module, and the RFID reader module are all connected to the microcontroller module.

[0028] The accelerometer module includes an accelerometer chip U2, a first current-limiting resistor R3, and a first filter capacitor C3. The first clock signal communication terminal SCL of the accelerometer chip U2 is connected to the first clock signal transmission terminal I2C1_SCL of the microcontroller module, and the first data signal communication terminal SDA of the accelerometer chip U2 is connected to the first data signal transmission terminal I2C1_SDA of the microcontroller module. The accelerometer chip U2 is used to sense the moving distance and moving acceleration of the electronic atomizer to obtain the number of moving steps and the moving posture. The first end of the first current-limiting resistor R3 is used to connect to the external power supply terminal, and the second end of the first current-limiting resistor R3 is connected to the power input terminal of the accelerometer chip U2. The first end of the first filter capacitor C3 is connected to the second end of the first current-limiting resistor R3, and the second end of the first filter capacitor C3 is grounded.

[0029] The speaker module includes a speaker control chip J2 and a second current-limiting resistor R5. The first end of the second current-limiting resistor R5 is connected to the external power supply terminal, and the second end of the second current-limiting resistor R5 is connected to the power input terminal of the speaker control chip J2. The first analog signal output terminal AD1 of the microcontroller module is connected to the control signal input terminal IN of the speaker control chip J2.

[0030] In the embodiment, when the user inhales using the electronic atomizer, the airflow sensor module detects the gas flow, triggers the electronic atomizer working signal and transmits it to the microcontroller module. After the microcontroller module receives the signal from the airflow sensor module, the microcontroller module initializes and calibrates the acceleration sensing chip U2. The acceleration sensing chip U2 starts to collect acceleration data on the X-axis, Y-axis and Z-axis in real time. Then, the acceleration sensing chip U2 continuously collects data at a set sampling rate and transmits the acceleration-related data to the microcontroller module through the first clock signal communication end SCL and the first data signal communication end SDA of the acceleration sensing chip U2. Next, the microcontroller module calculates the current state of the user using the electronic atomizer, such as stillness, walking, running or a specific smoking posture, and outputs a control signal to the heating wire atomization module, thereby controlling the heating wire atomizer to start heating and warming up, so that the tobacco oil is atomized at high temperature to form smoke for the user to use.

[0031] Specifically, when the acceleration sensing chip U2 collects acceleration-related data and transmits it to the microcontroller module, and the microcontroller module calculates the acceleration data on the X-axis, Y-axis and Z-axis, reflecting that the electronic atomizer is in a vertical inverted state, i.e. the mouthpiece part of the electronic atomizer is vertically downward, the microcontroller will stop outputting a control signal to the heating wire atomization module, thereby controlling the heating wire atomization module to stop heating, and outputting a module signal from the first analog signal output end AD1 of the microcontroller module to the control signal input end IN of the speaker control chip J2, so that the speaker module emits a prompt sound, to avoid the problem of tobacco oil backflow or leakage caused by the inverted posture of the electronic atomizer, thereby reducing the risk of high-temperature tobacco oil backflow injuring the user.

[0032] Further, when the user is in a walking or running state, the acceleration sensing chip U2 will continuously collect acceleration-related data and transmit it to the microcontroller module, so that the microcontroller module can calculate the user's moving step count and posture state data within a period of time through the collected data, and transmit the calculated results to the display screen module, thereby enabling the user to obtain the current motion state and walking step count information through the display screen module, thereby improving the functionality of the intelligent electronic atomizer control circuit 10.

[0033] The intelligent electronic atomizer control circuit 10 described above collects acceleration related data through the acceleration sensor module and transmits the data to the microcontroller module, and then the microcontroller module quickly processes and analyzes the data of the acceleration sensor according to the control algorithm, and outputs the control signal to the heating wire atomization module and the loudspeaker module, thereby realizing the functions of step calculation, smoking posture detection and reminding, and further improving the intelligent level of the intelligent electronic atomizer control circuit 10. In addition, when the microcontroller module calculates the data transmitted by the acceleration sensor module, and reflects that the mouthpiece part of the electronic atomizer is in a dangerous state of vertical inversion, the control signal will be output to interrupt the work of the heating wire atomization module, and at the same time an analog signal will be output to the loudspeaker module to issue an alarm prompt sound, thereby avoiding the risk of high-temperature tobacco oil backflow caused by user misoperation, and further improving the safety and functionality of the intelligent electronic atomizer control circuit 10.

[0034] As shown in Figure 1 In one embodiment, the microcontroller module includes a microcontroller chip U1, a first voltage dividing resistor R10 and a first pull-up resistor R4. The first end of the first voltage dividing resistor R10 is connected to the external power supply terminal, the second end of the first voltage dividing resistor R10 is connected to the backup power input terminal of the microcontroller chip U1, the first end of the first pull-up resistor R4 is connected to the external power supply terminal, and the second end of the first pull-up resistor R4 is connected to the first clock signal transmission terminal I2C1_SDL of the microcontroller chip U1. In this embodiment, since the first voltage dividing resistor R10 is connected in series between the external power supply terminal and the backup power input terminal of the microcontroller chip U1, the first voltage dividing resistor R10 plays a role of voltage division for the backup power input terminal. When the external power supply voltage is high, the first voltage dividing resistor R10 can reduce the voltage value input to the microcontroller chip U1, thereby protecting the microcontroller chip U1 from damage caused by excessive voltage, ensuring that the microcontroller chip U1 works within a safe voltage range, and further improving the stability and reliability of the circuit. In digital circuits, since the clock signal line may be in a suspended state when not driven, it is easy to be disturbed by external interference and generate an uncertain level, causing the circuit to work abnormally. Therefore, by connecting the first pull-up resistor R4 between the external power supply terminal and the first clock signal transmission terminal I2C1_SDL of the microcontroller chip U1, the first clock signal transmission terminal I2C1_SDL can be stably pulled to a high level when there is no clock signal output, thereby avoiding the problem of level stability caused by the suspended state, and further improving the stability and anti-interference ability of the first clock signal transmission terminal I2C1_SDL of the microcontroller chip U1.

[0035] As shown in Figure 1As shown, in one of the embodiments, the display screen module includes a display screen control chip U3, a third current-limiting resistor R2 and a second filter capacitor C2. The video signal sending end TXD of the display screen control chip U3 is connected with the USART signal receiving end USART1 RX of the microcontroller module, the video signal receiving end RXD of the display screen control chip U3 is connected with the USART signal sending end USART1 TX of the microcontroller module, the first end of the third current-limiting resistor R2 is used for connecting with the external power supply end, the second end of the third current-limiting resistor R2 is connected with the power supply end of the display screen control chip U3, the first end of the second filter capacitor C2 is connected with the first end of the third current-limiting resistor R2, and the second end of the second filter capacitor C2 is grounded. In the embodiment, the third current-limiting resistor R2 is connected in series between the external power supply end and the power supply end of the display screen control chip U3, which mainly functions to limit the size of the current, prevent the excessive current from flowing into the display screen control chip U3, and thus protect the display screen control chip U3 from being damaged by the excessive current. The second filter capacitor C2 is connected in parallel between the first end (i.e. the external power supply end) of the third current-limiting resistor R2 and the ground end. Since the second filter capacitor C2 has the characteristics of storing electric energy, it can absorb and release the high-frequency noise and ripple in the power supply. During the power supply process, if there is a high-frequency noise or ripple interference signal, and the interference signal is transmitted to the display screen control chip U3, it will affect the normal work of the display screen control chip U3, resulting in the flickering, wave ripple and other adverse phenomena of the display picture. By adding the second filter capacitor C2, the high-frequency noise and ripple interference signal can be effectively filtered out, so as to provide a stable power supply voltage for the display screen control chip U3, and thus improve the quality and stability of the display picture. On the other hand, in the actual working process, when the microcontroller module sends the video signal to the display screen control chip U3 through the USART signal sending end USART1 TX, the video signal receiving end RXD of the display screen control chip U3 will receive and process the signal by the display screen control chip U3, and then convert it into the pixel signal for driving the display screen, so that the user can intuitively understand the working state of the electronic atomizer.

[0036] As Figure 1As shown, in one embodiment, the heating coil atomization module includes a first electronic switch Q1, a second voltage divider resistor R8, and a heating resistor F1. The first terminal of the first electronic switch Q1 is connected to an external power supply terminal, the second terminal of the first electronic switch Q1 is connected to the first terminal of the heating resistor F1, the control terminal of the first electronic switch Q1 is connected to the first terminal of the second voltage divider resistor R8, the second terminal of the second voltage divider resistor R8 is connected to the heating coil signal control terminal SW2 of the microcontroller module, and the second terminal of the heating resistor F1 is grounded. In this embodiment, when the microcontroller module confirms that the heating coil atomizer needs to be activated for heating based on data transmitted from the accelerometer module, the microcontroller module outputs a voltage control signal to the control terminal of the first electronic switch Q1 through the heating coil signal control terminal SW2, so that the voltage at the control terminal of the first electronic switch Q1 is greater than its conduction threshold voltage, thereby controlling the first electronic switch Q1 to conduct, which in turn causes current to flow to the heating resistor F1, raising the temperature of the heating resistor F1 and atomizing the e-liquid at high temperature. Furthermore, the second voltage divider resistor R8 serves as a voltage divider element for the control signal and is connected to the control terminal of the first electronic switch Q1. When the control signal output by the microcontroller module is high, it is divided by the second voltage divider resistor R8, ensuring that the control terminal of the first electronic switch Q1 receives a stable voltage to keep it conducting. Simultaneously, when the first electronic switch Q1 is turned on, current flows through the heating resistor F1. Due to the resistance of the heating resistor F1, electrical energy is converted into heat energy, causing the temperature of the heating resistor F1 to rise rapidly. This high temperature is then conducted to the e-liquid in close contact with the heating resistor F1, causing the e-liquid to atomize and form vapor that the user can inhale.

[0037] like Figure 1 As shown, in one embodiment, the heating wire atomizing module further includes a third voltage divider resistor R7. The first end of the third voltage divider resistor R7 is connected to an external power supply terminal, and the second end of the third voltage divider resistor R7 is connected to the first end of the first electronic switch Q1. In this embodiment, when the external power supply terminal provides electrical energy, the current first flows into the heating wire atomizing module through the third voltage divider resistor R7. The third voltage divider resistor R7, as a voltage divider element at the power input terminal, primarily reduces the external power supply voltage to a voltage range suitable for the operation of the internal components of the heating wire atomizing module, while also providing current limiting protection. Specifically, when the external power supply voltage is high, the third voltage divider resistor R7 can reduce the voltage transmitted to the first electronic switch Q1, lowering the voltage at the first end of the first electronic switch Q1 to a safe operating range, thereby protecting the first electronic switch Q1 from high-voltage damage and ensuring the stable operation of the heating wire atomizing module.

[0038] like Figure 1As shown, in one of the embodiments, the air flow sensor module includes an air flow sensing chip J1 and a fourth current limiting resistor R9, the first end of the fourth current limiting resistor R9 is used to connect with the external power supply end, the second end of the fourth current limiting resistor R9 is connected with the power supply end of the air flow sensing chip J1, and the air flow signal output end of the air flow sensing chip J1 is connected with the air flow signal input end SW1 of the microcontroller module. In this embodiment, when the user inhales through the mouthpiece of the electronic atomizer, the air flow will flow into the air flow sensing chip J1 through the airway, and then the air flow sensing chip J1 can perceive the change of the air flow and convert it into an electric signal, and transmit the signal OUT to the air flow signal input end SW1 of the microcontroller module through the air flow signal output end of the air flow sensing chip J1. After the microcontroller module receives this signal, it will process and analyze it to determine whether the user is inhaling, so that the microcontroller module outputs a control signal to the heating wire atomization module to make the heating wire atomization module work and heat the tobacco tar. In addition, in order to ensure that the air flow sensing chip J1 can work stably, the fourth current limiting resistor R9 is connected in series between the external power supply end and the power supply end of the air flow sensing chip J1. So it can limit the current flowing through the air flow sensing chip J1, thereby preventing the air flow sensing chip J1 from being damaged due to excessive current, and further ensuring the stability and accuracy of the air flow sensor module.

[0039] As Figure 1As shown, in one of the embodiments, the RFID reader module comprises a fifth current-limiting resistor R5 and an RFID reader chip J3, a first end of the fifth current-limiting resistor R5 is used to connect with the external power supply end, a second end of the fifth current-limiting resistor R5 is connected with the power input end of the reader chip, a second clock signal communication end SCL1 of the RFID reader chip J3 is connected with a second clock signal transmission end I2C2_SCL of the microcontroller module, and a second data signal communication end SDA1 of the RFID reader chip J3 is connected with a second data signal transmission end I2C2_SDA of the microcontroller module. In this embodiment, since the fifth current-limiting resistor R5 is connected in series between the external power supply end and the power input end of the reader chip, the fifth current-limiting resistor R5 can limit the current flowing through the RFID reader chip J3, thereby preventing the RFID reader chip J3 from being damaged due to excessive current. At the same time, the fifth current-limiting resistor R5 can also effectively suppress the influence of voltage fluctuation of the power supply end on the working of the RFID reader chip J3, thereby ensuring the working stability and accuracy of the RFID reader chip J3. On the other hand, when the microcontroller module needs to read information through the RFID reader chip J3, the RFID tag will be activated and respond to a radio frequency signal containing unique identification information, after the RFID reader chip J3 receives the response signal, it will decode and process it, and then transmit the decoded data to the microcontroller module through the second clock signal communication end SCL1 and the second data signal communication end SDA1. Then, after the microcontroller module receives the data transmitted by the RFID reader chip J3, it will process and analyze the data according to the preset control algorithm and logic, so that the user can obtain the information related to the electronic atomizer through the RFID reader chip J3.

[0040] As Figure 1As shown, in one embodiment, the model of the microcontroller chip U1 is any one of STM32F722RET6, STM32L011F4U6TR, F280049PMS. In this embodiment, when the electronic atomizer is started, the microcontroller chip U1 first executes a system initialization program to ensure that the microcontroller can work normally. Then, the microcontroller chip U1 configures the peripherals such as the acceleration sensor module, the airflow sensor module, the RFID card reader module, etc. to ensure smooth communication between the modules and the microcontroller. When the user inhales using the electronic atomizer, the airflow sensor module detects the gas flow and outputs a working signal to the microcontroller chip U1, so that the microcontroller chip U1 initializes and calibrates the acceleration sensing chip U2, and then the acceleration sensing chip U2 starts to collect acceleration data on the X, Y and Z axes in real time and transmits it to the microcontroller chip U1 through the first clock signal communication end I2C1_SCL and the first data signal communication end I2C1_SDA. At this time, the microcontroller chip U1 quickly processes and analyzes the data and calculates the user's moving steps, moving speed and judges the posture state of the electronic atomizer, etc. According to the processed acceleration data, the microcontroller chip U1 outputs a control signal to the heating wire atomization module through the heating wire signal control end SW2 of the microcontroller module, and accurately controls the heating temperature and smoke amount of the heating wire, thereby providing the user with a stable smoking experience. Further, when the acceleration sensing chip U2 detects that the electronic atomizer is in a vertically inverted state, the microcontroller chip U1 immediately interrupts the work of the heating wire atomization module, and outputs an analog signal to the speaker module through the first analog signal output end, so that it emits an alarm prompt sound, thereby avoiding the risk of user injury caused by backflow of smoke oil.

[0041] As Figure 1In one embodiment, the acceleration sensing chip U2 is of any one of the models LIS3DHTR, BNO055, and LSM303DTR. In this embodiment, after receiving the trigger signal from the air flow sensor module, the microcontroller module will initialize the acceleration sensing chip U2, and then perform zero offset calibration by reading the initial acceleration data of the acceleration sensing chip U2 in the static state, to ensure the accuracy of subsequent measurements. Then, the acceleration sensing chip U2 continuously collects acceleration data on the X, Y, and Z axes according to the set sampling rate, and transmits the data to the microcontroller module through the first clock signal communication end SCL and the first data signal communication end SDA of the acceleration sensing chip U2. Specifically, after receiving the acceleration data transmitted by the acceleration sensing chip U2, the microcontroller module quickly processes and analyzes the data using the built-in control algorithm, and by calculating the changes in acceleration vector and direction on the X, Y, and Z axes, the microcontroller module can determine the current posture state of the electronic atomizer, including whether the electronic atomizer is in a vertical inverted state, and the user's motion state, such as the number of steps, moving speed, etc. Further, when detecting that the electronic atomizer is in a vertical inverted state, the microcontroller module immediately interrupts the operation of the heating wire atomization module to prevent the backflow of tobacco tar, and issues an alarm prompt sound through the speaker module, thereby reminding the user to adjust the posture.

[0042] An electronic atomizer comprising the intelligent electronic atomizer control circuit 10 of any of the above. In the present embodiment, when a user inhales using the electronic atomizer, the airflow sensor module detects the gas flow, triggers the electronic atomizer working signal and transmits it to the microcontroller module. After the microcontroller module receives the signal from the airflow sensor module, the microcontroller module initializes and calibrates the acceleration sensing chip U2. The acceleration sensing chip U2 starts to collect acceleration data on the X-axis, Y-axis and Z-axis in real time. Then, the acceleration sensing chip U2 continuously collects data at a set sampling rate and transmits the acceleration-related data to the microcontroller module through the first clock signal communication end SCL and the first data signal communication end SDA of the acceleration sensing chip U2. Next, the microcontroller module calculates the current state of the user using the electronic atomizer, such as stillness, walking, running or a specific smoking posture, and outputs a control signal to the heating wire atomization module, thereby controlling the heating wire atomizer to start heating and warming up, so that the tobacco oil is atomized at high temperature to form smoke for the user to use. Specifically, after the acceleration sensing chip U2 collects acceleration-related data and transmits it to the microcontroller module, and the microcontroller module calculates the acceleration data on the X-axis, Y-axis and Z-axis, it is reflected that the electronic atomizer is in a vertical inverted state, that is, the mouthpiece part of the electronic atomizer is vertically downward. The microcontroller will stop outputting a control signal to the heating wire atomization module, thereby controlling the heating wire atomizer to stop heating, and outputting a module signal from the first analog signal output end AD1 of the microcontroller module to the control signal input end IN of the speaker control chip J2, so that the speaker emits a prompt sound, thereby avoiding the problem of tobacco oil backflow or leakage caused by the inverted posture of the electronic atomizer, and thereby reducing the risk of high-temperature tobacco oil backflow injuring the user. Further, when the user is in a walking or running state, the acceleration sensing chip U2 will continuously collect acceleration-related data and transmit it to the microcontroller module, so that the microcontroller module can calculate the user's moving steps, moving speed and posture state data within a period of time through the collected data, and transmit the calculated results to the display screen module, thereby enabling the user to obtain the current motion state and walking step information through the display screen module, and thereby improving the functionality of the intelligent electronic atomizer control circuit 10.

[0043] Compared with the prior art, the present disclosure has at least the following advantages:

[0044] 1. The intelligent electronic atomizer control circuit 10 described above collects acceleration-related data through the acceleration sensor module and transmits it to the microcontroller module. Then, the microcontroller module quickly processes and analyzes the data of the acceleration sensor according to the control algorithm, and outputs a control signal to the heating wire atomization module and the speaker module, thereby realizing the step calculation, smoking posture detection and reminding functions, and thereby improving the intelligent level of the intelligent electronic atomizer control circuit 10.

[0045] 2、When the microcontroller module calculates the data transmitted by the acceleration sensor module, it reflects that the mouthpiece part of the electronic atomizer is in a dangerous state of vertical inversion, and outputs a control signal to interrupt the working of the heating wire atomization module, and outputs an analog signal to the speaker module to issue an alarm prompt tone, thereby avoiding the risk of high-temperature tobacco oil backflow caused by user misoperation, and thereby improving the safety and functionality of the intelligent electronic atomizer control circuit 10.

[0046] The above-described embodiments only express several embodiments of the present disclosure, and the description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the disclosed patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present disclosure, several modifications and improvements can be made, which are within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure patent should be subject to the appended claims.

Claims

1. An intelligent electronic atomizer control circuit, comprising a microcontroller module, a display screen module, an acceleration sensor module, a heating wire atomization module, an air flow sensor module, an RFID card reader module and a speaker module, the display screen module, the heating wire atomization module, the air flow sensor module and the RFID card reader module being connected to the microcontroller module, characterized in that, the acceleration sensor module comprises an acceleration sensing chip, a first current limiting resistor and a first filter capacitor, a first clock signal communication end of the acceleration sensing chip being connected to a first clock signal transmission end of the microcontroller module, a first data signal communication end of the acceleration sensing chip being connected to a first data signal transmission end of the microcontroller module, the acceleration sensing chip being used to sense the moving distance and acceleration of the electronic atomizer to obtain the moving steps and posture, a first end of the first current limiting resistor being used to be connected to an external power supply end, a second end of the first current limiting resistor being connected to a power input end of the acceleration sensing chip, a first end of the first filter capacitor being connected to the second end of the first current limiting resistor, and a second end of the first filter capacitor being grounded; the speaker module comprises a speaker control chip and a second current limiting resistor, a first end of the second current limiting resistor being used to be connected to an external power supply end, a second end of the second current limiting resistor being connected to a power input end of the speaker control chip, and a first analog signal output end of the microcontroller module being connected to a control signal input end of the speaker control chip.

2. The intelligent electronic atomizer control circuit of claim 1, wherein, the microcontroller module comprises a microcontroller chip, a first voltage dividing resistor and a first pull-up resistor, a first end of the first voltage dividing resistor being used to be connected to an external power supply end, a second end of the first voltage dividing resistor being connected to a backup power input end of the microcontroller chip, a first end of the first pull-up resistor being used to be connected to an external power supply end, and a second end of the first pull-up resistor being connected to a first clock signal transmission end of the microcontroller chip.

3. The intelligent electronic atomizer control circuit of claim 1, wherein, the display screen module comprises a display screen control chip, a third current limiting resistor and a second filter capacitor, a video signal sending end of the display screen control chip being connected to a USART signal receiving end of the microcontroller module, a video signal receiving end of the display screen control chip being connected to a USART signal sending end of the microcontroller module, a first end of the third current limiting resistor being used to be connected to an external power supply end, a second end of the third current limiting resistor being connected to a power end of the display screen control chip, a first end of the second filter capacitor being connected to the first end of the third current limiting resistor, and a second end of the second filter capacitor being grounded.

4. The intelligent electronic atomizer control circuit of claim 1, wherein, The heating wire atomization module comprises a first electronic switch tube, a second voltage dividing resistor and a heating resistor, a first end of the first electronic switch tube is used for being connected with an external power supply end, a second end of the first electronic switch tube is connected with a first end of the heating resistor, a control end of the first electronic switch tube is connected with a first end of the second voltage dividing resistor, a second end of the second voltage dividing resistor is connected with a heating wire signal control end of the microcontroller module, and a second end of the heating resistor is grounded.

5. The intelligent electronic atomizer control circuit of claim 4, wherein, The heating wire atomization module further comprises a third voltage dividing resistor, a first end of the third voltage dividing resistor is used for being connected with the external power supply end, and a second end of the third voltage dividing resistor is connected with the first end of the first electronic switch tube.

6. The intelligent electronic atomizer control circuit of claim 1, wherein, The airflow sensor module comprises an airflow sensing chip and a fourth current limiting resistor, a first end of the fourth current limiting resistor is used for being connected with the external power supply end, and a second end of the fourth current limiting resistor is connected with a power supply end of the airflow sensing chip, an airflow signal output end of the airflow sensing chip is connected with an airflow signal input end of the microcontroller module.

7. The intelligent electronic atomizer control circuit of claim 1, wherein, The RFID card reader module comprises a fifth current limiting resistor and an RFID card reader chip, a first end of the fifth current limiting resistor is used for being connected with the external power supply end, a second end of the fifth current limiting resistor is connected with a power supply input end of the card reader chip, a second clock signal communication end of the RFID card reader chip is connected with a second clock signal transmission end of the microcontroller module, and a second data signal communication end of the RFID card reader chip is connected with a second data signal transmission end of the microcontroller module.

8. The intelligent electronic atomizer control circuit of claim 2, wherein, The model of the microcontroller chip is any one of STM32F722RET6, STM32L011F4U6TR and F280049PMS.

9. The intelligent electronic atomizer control circuit of claim 1, wherein, The model of the acceleration sensing chip is any one of LIS3DHTR, BNO055 and LSM303DTR.

10. An electronic atomizer, characterized in that, The intelligent electronic atomizer control circuit comprises the above-mentioned intelligent electronic atomizer control circuit according to any one of claims 1 to 9.

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