Electronic cigarette control circuit with Bluetooth communication and fingerprint identification functions

Abstract

The utility model provides an electronic cigarette control circuit with Bluetooth communication and fingerprint identification functions, which is characterized in that the input end of a first-stage voltage-stabilizing power supply circuit is connected with a power supply, and the first-stage voltage-stabilizing power supply circuit is in power supply connection with a second-stage voltage-stabilizing power supply circuit, a tobacco tar atomization control circuit and an oscillator circuit; the secondary voltage-stabilizing power supply circuit is in power supply connection with the electronic cigarette main body main control circuit and the fingerprint identification circuit, the output end of the electronic cigarette main body main control circuit is connected with the input end of the tobacco tar atomization control circuit and the input end of the oscillator circuit, and the output end of the tobacco tar atomization control circuit is in power supply connection with a smoke cartridge atomizer of the electronic cigarette. The input end of the electronic cigarette main body main control circuit is connected with the output end of the fingerprint identification circuit and the control key, and the electronic cigarette main body main control circuit is further in Bluetooth communication connection with a smoke cartridge main board of the electronic cigarette. The electronic cigarette has the beneficial effects that the electronic cigarette has a fingerprint identification unlocking function and a Bluetooth communication function.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit technical field, concretely relates to an electronic cigarette control circuit with bluetooth communication and fingerprint identification function. BACKGROUND

[0002] Electronic cigarette is an electronic product that imitates cigarette, has the same appearance, smoke, taste and feeling as cigarette, and even has much more taste than general cigarette, it is a product that changes nicotine into vapor through atomization etc. and lets user smoke, general electronic cigarette mainly consists of cigarette tube that stores nicotine solution, evaporation device and battery 3 parts. The atomizer is powered by the battery rod, which can convert the liquid nicotine in the cartridge into mist, so that the user has a feeling similar to smoking when inhaling.

[0003] At present, the electronic cigarette on the market is generally composed of a cartridge and an electronic cigarette main body, the cartridge is generally composed of an oil tank and an atomizer that cannot be disassembled, the tobacco tar in the oil tank is atomized by the atomizer and supplied to the user for smoking. Among them, the atomizer currently mainly has two atomization methods: one is heating atomization, mainly using heating wire and heating mesh to heat and atomize the tobacco tar in the oil tank for smoking; the other is ultrasonic atomization, the cartridge is generally composed of an oil tank and an atomizer that cannot be disassembled, the tobacco tar is atomized by ultrasonic wave for smoking. However, no matter which atomization method, the atomizer in the cartridge needs to be powered on, the main control circuit board and power supply must be provided in the electronic cigarette main body.

[0004] In the prior art, the electronic cigarette main body is usually provided with a microphone switch, the electronic cigarette can be turned on or off through the microphone switch, the electronic cigarette generally does not have an electronic lock function, which has many shortcomings in daily life, sometimes children will open the electronic cigarette due to curiosity and use it, sometimes the microphone switch is easily triggered by cats or other pets when the electronic cigarette is placed on the table, resulting in electronic cigarette burning or waste, which is a very bad user experience. In addition, since the electronic cigarette main body and the cartridge are detachable, it is convenient to replace cartridges of different flavors and replace new cartridges, but there is a problem, if the electronic cigarette main body uses a cartridge that does not meet the specifications or a cartridge that is not suitable for the model of the electronic cigarette main body, it may cause insufficient atomization, atomizer damage, etc., and even may cause fire in the electronic cigarette main body. SUMMARY

[0005] The utility model provides a kind of electronic cigarette control circuit with bluetooth communication and fingerprint identification function, by being equipped with mutually coordinated first-stage voltage stabilizing power supply circuit, second-stage voltage stabilizing power supply circuit, electronic cigarette main body main control circuit, tobacco tar atomization control circuit, fingerprint identification circuit and vibrator circuit in electronic cigarette control circuit with bluetooth communication and fingerprint identification function, it can realize that electronic cigarette has fingerprint identification unlocking function and bluetooth communication function, fingerprint identification unlocking function can prevent electronic cigarette from being triggered by pet dry burning or waste by mistake, bluetooth communication function makes electronic cigarette main body and cartridge communicate with each other, circuit structure is simple, greatly improve the security of electronic cigarette and user experience, solve the problem that electronic cigarette does not have electronic lock function in prior art and is easily triggered by mistake, not suitable cartridge can lead to insufficient atomization and atomizer is easily damaged.

[0006] The utility model provides a kind of electronic cigarette control circuit with bluetooth communication and fingerprint identification function, including first-stage voltage stabilizing power supply circuit, second-stage voltage stabilizing power supply circuit, electronic cigarette main body main control circuit, tobacco tar atomization control circuit, fingerprint identification circuit and vibrator circuit, the input end of first-stage voltage stabilizing power supply circuit is connected with power supply, the output of first-stage voltage stabilizing power supply circuit With second-stage voltage stabilizing power supply circuit, tobacco tar atomization control circuit, vibrator circuit power connection, the output of second-stage voltage stabilizing power supply circuit With electronic cigarette main body main control circuit, fingerprint identification circuit power connection, the output of electronic cigarette main body main control circuit With the input of tobacco tar atomization control circuit, the input of vibrator circuit is connected, the output of tobacco tar atomization control circuit is connected with the cartridge atomizer of electronic cigarette, the input of electronic cigarette main body main control circuit With the output of fingerprint identification circuit is connected, the input of electronic cigarette main body main control circuit Still be equipped with control button, electronic cigarette main body main control circuit is also connected with the cartridge main board bluetooth communication of electronic cigarette, electronic cigarette main body main control circuit can be according to the information of fingerprint identification circuit feedback release to control button The locking of electronic cigarette main body main control circuit can control the on-off of tobacco tar atomization control circuit and cartridge atomizer according to the information of cartridge main board bluetooth communication feedback of electronic cigarette.

[0007] The utility model discloses further improve, the main control circuit in electronic cigarette main part is equipped with main control chip U2, main control chip U2 is equipped with 32 pins, the 3rd pin of main control chip U2 is connected with the output end of two -stage voltage stabilizing power supply circuit, the 22nd pin of main control chip U2 is connected with the input end of the tobacco tar atomization control circuit, the 23rd pin of main control chip U2 is connected with the input end of the vibrator circuit, the 11th, 12th, 13th pin of main control chip U2 is connected with the output end of the fingerprint identification circuit, the 26th pin of main control chip U2 is connected with control button, the 8th pin of main control chip U2 is connected with bluetooth communication antenna and is connected with the tobacco cartridge mainboard bluetooth communication connection of electronic cigarette.

[0008] The utility model discloses further improve, the fingerprint identification circuit is equipped with fingerprint identification chip U11 and fingerprint identification interface J2, fingerprint identification chip U11 is equipped with 12 pins, fingerprint identification interface J2 is equipped with 10 pins, the 8th, 9th, 10th pin of fingerprint identification chip U11 is connected with the 11th, 13th, 12th pin of main control chip U2 respectively, the 11th, 12th pin of fingerprint identification chip U11 is connected with the output end of two -stage voltage stabilizing power supply circuit, the 1st, 2nd, 3rd pin of fingerprint identification chip U11 is connected with the 4th, 6th, 8th pin of fingerprint identification interface J2 respectively, the 1st pin of fingerprint identification interface J2 is connected with fingerprint identification sensor.

[0009] The utility model discloses further improve, the power management chip U1 and electric capacity C3 are equipped with in the first -stage voltage stabilizing power supply circuit, power management chip U1 is equipped with 9 pins, the 8th pin of power management chip U1 is connected with power supply, the 1st pin of power management chip U1 is connected with two -stage voltage stabilizing power supply circuit, the tobacco tar atomization control circuit, the vibrator circuit power supply, the 1st pin of power management chip U1 is also connected with one end of electric capacity C3, the 5th pin of power management chip U1, the 9th pin of power management chip U1, the other end of electric capacity C3 is grounded.

[0010] The utility model discloses further improve, the two -stage voltage stabilizing power supply circuit is equipped with voltage stabilizing chip U3, voltage stabilizing chip U5, field effect tube Q5 and diode D6, voltage stabilizing chip U3 is equipped with 3 pins, voltage stabilizing chip U5 is equipped with 5 pins, voltage stabilizing chip U3's 3rd pin is connected with diode D6's negative pole, diode D6's positive pole is connected with power management chip U1's 1st pin, voltage stabilizing chip U3's 2nd pin is connected with field effect tube Q5's source, main control chip U2's 3rd pin, field effect tube Q5's drain is connected with voltage stabilizing chip U5's 1st pin, fingerprint identification chip U11's 11th pin, field effect tube Q5's grid is connected with main control chip U2's 27th pin, voltage stabilizing chip U3's 1st pin is grounded, voltage stabilizing chip U5's 5th pin is connected with power with fingerprint identification chip U11's 12th pin.

[0011] The utility model discloses further improve, the tobacco tar atomization control circuit is equipped with field effect tube Q1, resistance R13 and field effect tube Q2, field effect tube Q1's source is connected with power management chip U1's 1st pin, field effect tube Q1's grid is connected with field effect tube Q2's drain through resistance R13, field effect tube Q2's grid is connected with main control chip U2's 22nd pin, field effect tube Q1's drain is connected with electronic cigarette's cartridge atomizer power supply, field effect tube Q2's source is grounded.

[0012] The utility model discloses further improve, the vibrator circuit is equipped with field effect tube Q4, diode D4, vibration motor M and resistance R19, field effect tube Q4's grid is connected with main control chip U2's 23rd pin, field effect tube Q4's drain is connected with diode D4's positive pole, vibration motor M's one end, diode D4's negative pole is connected with resistance R19's one end, vibration motor M's other end, resistance R19's other end is connected with power management chip U1's 1st pin, field effect tube Q4's source is grounded.

[0013] The utility model discloses further improve, main control chip U2's model number is AC6321A_QFN32, fingerprint identification interface J2's model number is JV0103-H12N, power management chip U1's model number is HP4557DC8-42, voltage stabilizing chip U3's model number is CE6375, voltage stabilizing chip U5's model number is HM5318M.

[0014] Compared with the prior art, the electronic cigarette control circuit with the Bluetooth communication and fingerprint identification functions has the following beneficial effects: the electronic cigarette main body main control circuit can release the locking of the control button according to the information fed back by the fingerprint identification circuit, the electronic cigarette main body main control circuit can control the on-off of the tobacco oil atomization control circuit and the tobacco cartridge atomizer according to the information fed back by the Bluetooth communication of the tobacco cartridge main board of the electronic cigarette, the electronic cigarette has the fingerprint identification unlocking function and the Bluetooth communication function, the fingerprint identification unlocking function can prevent the electronic cigarette from being triggered by pets or wasted, and can also prevent children from using the electronic cigarette out of curiosity, the Bluetooth communication function enables the electronic cigarette main body and the tobacco cartridge to communicate with each other, only the tobacco cartridge matched with the electronic cigarette main body is connected, the electronic cigarette main body can supply power to the tobacco cartridge atomizer to work, the circuit structure is simple, the safety of the electronic cigarette and the user experience are greatly improved, and the problems of the electronic cigarette without the electronic lock function in the prior art, the tobacco cartridge not matched with the electronic cigarette, the insufficient atomization and the damage of the atomizer are solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 It is a principle block diagram of the electronic cigarette control circuit with the Bluetooth communication and fingerprint identification functions of the present application.

[0017] Figure 2 It is a circuit diagram of the electronic cigarette main body main control circuit of the present application.

[0018] Figure 3 It is a circuit diagram of the fingerprint identification circuit of the present application.

[0019] Figure 4 It is a circuit diagram of the first-stage voltage stabilizing power supply circuit of the present application.

[0020] Figure 5 It is a circuit diagram of the second-stage voltage stabilizing power supply circuit of the present application.

[0021] Figure 6 It is a circuit diagram of the tobacco oil atomization control circuit of the present application.

[0022] Figure 7The utility model discloses a circuit diagram of vibrator circuit. DETAILED DESCRIPTION

[0023] 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 the utility model belongs; the terms used in the specification of the application are only for the purpose of describing the specific embodiments and are not intended to limit the utility model; the terms "include" and "have" and any variations thereof in the specification and claims of the utility model and the above description of drawings are intended to cover the non-exclusive inclusion; the terms "first", "second" and the like in the specification and claims of the utility model or the above description of drawings are used to distinguish different objects and are not used to describe a specific sequence.

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a particular embodiment, or an alternative embodiment, in isolation or in combination with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] In order to make the person skilled in the art better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0026] As Figures 1-7The utility model provides a kind of electronic cigarette control circuit with bluetooth communication and fingerprint identification function, including primary voltage stabilizing power supply circuit, secondary voltage stabilizing power supply circuit, electronic cigarette main body main control circuit, tobacco oil atomization control circuit, fingerprint identification circuit and vibrator circuit, the input end of primary voltage stabilizing power supply circuit is connected with power supply, the output end of primary voltage stabilizing power supply circuit is connected with secondary voltage stabilizing power supply circuit, tobacco oil atomization control circuit, vibrator circuit power supply, the output end of secondary voltage stabilizing power supply circuit is connected with electronic cigarette main body main control circuit, fingerprint identification circuit power supply, the output end of electronic cigarette main body main control circuit is connected with the input end of tobacco oil atomization control circuit, the input end of vibrator circuit, the output end of tobacco oil atomization control circuit is connected with electronic cigarette cartridge atomizer power supply, the output end of fingerprint identification circuit is connected with the input end of electronic cigarette main body main control circuit, the input end of electronic cigarette main body main control circuit is additionally connected with control button, the input end of electronic cigarette main body main control circuit is additionally connected with control button, and electronic cigarette main body main control circuit is additionally connected with the cartridge mainboard bluetooth communication of electronic cigarette.In the embodiment, electronic cigarette main body main control circuit can be unlocked according to the information fed back by fingerprint identification circuit, and electronic cigarette main body main control circuit can control the on-off of tobacco oil atomization control circuit and cartridge atomizer according to the information fed back by the cartridge mainboard bluetooth communication of electronic cigarette, so that the electronic cigarette has fingerprint identification unlocking function and bluetooth communication function, the fingerprint identification unlocking function can prevent the electronic cigarette from being triggered by pets or wasted, and the bluetooth communication function allows the electronic cigarette main body and cartridge to communicate with each other, so that only the cartridge matched with the electronic cigarette main body can be powered on, the circuit structure is simple, and the safety and user experience of the electronic cigarette are greatly improved.

[0027] As Figure 2 The utility model discloses a kind of electronic cigarette control circuit with bluetooth communication and fingerprint identification function, including primary voltage stabilizing power supply circuit, secondary voltage stabilizing power supply circuit, electronic cigarette main body main control circuit, tobacco oil atomization control circuit, fingerprint identification circuit and vibrator circuit, the input end of primary voltage stabilizing power supply circuit is connected with power supply, the output end of primary voltage stabilizing power supply circuit is connected with secondary voltage stabilizing power supply circuit, tobacco oil atomization control circuit, vibrator circuit power supply, the output end of secondary voltage stabilizing power supply circuit is connected with electronic cigarette main body main control circuit, fingerprint identification circuit power supply, the output end of electronic cigarette main body main control circuit is connected with the input end of tobacco oil atomization control circuit, the input end of vibrator circuit, the output end of tobacco oil atomization control circuit is connected with electronic cigarette cartridge atomizer power supply, the output end of fingerprint identification circuit is connected with the input end of electronic cigarette main body main control circuit, the input end of electronic cigarette main body main control circuit is additionally connected with control button, the input end of electronic cigarette main body main control circuit is additionally connected with control button, and electronic cigarette main body main control circuit is additionally connected with the cartridge mainboard bluetooth communication of electronic cigarette.In the embodiment, electronic cigarette main body main control circuit can be unlocked according to the information fed back by fingerprint identification circuit, and electronic cigarette main body main control circuit can control the on-off of tobacco oil atomization control circuit and cartridge atomizer according to the information fed back by the cartridge mainboard bluetooth communication of electronic cigarette, so that the electronic cigarette has fingerprint identification unlocking function and bluetooth communication function, the fingerprint identification unlocking function can prevent the electronic cigarette from being triggered by pets or wasted, and the bluetooth communication function allows the electronic cigarette main body and cartridge to communicate with each other, so that only the cartridge matched with the electronic cigarette main body can be powered on, the circuit structure is simple, and the safety and user experience of the electronic cigarette are greatly improved.

[0028] As Figure 3As shown, the fingerprint recognition circuit is internally provided with a fingerprint recognition chip U11 and a fingerprint recognition interface J2, the model of the fingerprint recognition interface J2 is JV0103-H12N, the fingerprint recognition chip U11 is provided with 12 pins, the fingerprint recognition interface J2 is provided with 10 pins, the 8th, 9th and 10th pins of the fingerprint recognition chip U11 are connected with the 11th, 13th and 12th pins of the main control chip U2 respectively, the 11th and 12th pins of the fingerprint recognition chip U11 are connected with the output end of the secondary voltage stabilizing power supply circuit, the 1st, 2nd and 3rd pins of the fingerprint recognition chip U11 are connected with the 4th, 6th and 8th pins of the fingerprint recognition interface J2 respectively, and the 1st pin of the fingerprint recognition interface J2 is connected with a fingerprint recognition sensor. In the embodiment, the fingerprint recognition circuit is used for fingerprint recognition and feedback to the main control circuit of the electronic cigarette body, and then the main control circuit of the electronic cigarette body releases the locking of the control button according to the information fed back by the fingerprint recognition circuit.

[0029] As shown in Figure 4 , the primary voltage stabilizing power supply circuit is internally provided with a power supply management chip U1 and a capacitor C3, the model of the power supply management chip U1 is HP4557DC8-42, the power supply management chip U1 is provided with 9 pins, the 8th pin of the power supply management chip U1 is connected with a power supply, the 1st pin of the power supply management chip U1 is connected with the secondary voltage stabilizing power supply circuit, the tobacco oil atomization control circuit and the vibrator circuit for power supply, the 1st pin of the power supply management chip U1 is also connected with one end of the capacitor C3, the 5th pin of the power supply management chip U1, the 9th pin of the power supply management chip U1 and the other end of the capacitor C3 are grounded. In the embodiment, the primary voltage stabilizing power supply circuit is used for power supply work of the secondary voltage stabilizing power supply circuit, the tobacco oil atomization control circuit and the vibrator circuit.

[0030] As shown in Figure 5 , the secondary voltage stabilizing power supply circuit is internally provided with a voltage stabilizing chip U3, a voltage stabilizing chip U5, a field effect transistor Q5 and a diode D6, the model of the voltage stabilizing chip U3 is CE6375, the model of the voltage stabilizing chip U5 is HM5318M, the voltage stabilizing chip U3 is provided with 3 pins, the voltage stabilizing chip U5 is provided with 5 pins, the 3rd pin of the voltage stabilizing chip U3 is connected with the negative electrode of the diode D6, the positive electrode of the diode D6 is connected with the 1st pin of the power supply management chip U1, the 2nd pin of the voltage stabilizing chip U3 is connected with the source electrode of the field effect transistor Q5 and the 3rd pin of the main control chip U2, the drain electrode of the field effect transistor Q5 is connected with the 1st pin of the voltage stabilizing chip U5 and the 11th pin of the fingerprint recognition chip U11, the gate electrode of the field effect transistor Q5 is connected with the 27th pin of the main control chip U2, the 1st pin of the voltage stabilizing chip U3 is grounded, and the 5th pin of the voltage stabilizing chip U5 is connected with the 12th pin of the fingerprint recognition chip U11 for power supply. In the embodiment, the secondary voltage stabilizing power supply circuit is used for power supply work of the main control circuit of the electronic cigarette body and the fingerprint recognition circuit.

[0031] As shown in Figure 6As shown, the e-liquid atomization control circuit includes a field-effect transistor (FET) Q1, a resistor R13, and another FET Q2. The source of FET Q1 is connected to pin 1 of the power management chip U1. The gate of FET Q1 is connected to the drain of FET Q2 through resistor R13. The gate of FET Q2 is connected to pin 22 of the main control chip U2. The drain of FET Q1 is connected to the power supply of the e-cigarette cartridge atomizer. The source of FET Q2 is grounded. In this embodiment, the e-liquid atomization control circuit supplies power to the cartridge atomizer according to the control signals from the main control circuit of the e-cigarette.

[0032] like Figure 7 As shown, the oscillator circuit includes a field-effect transistor (FET) Q4, a diode D4, a vibration motor M, and a resistor R19. The gate of FET Q4 is connected to pin 23 of the main control chip U2. The drain of FET Q4 is connected to the anode of diode D4 and one end of the vibration motor M. The cathode of diode D4 is connected to one end of resistor R19 and the other end of the vibration motor M. The other end of resistor R19 is connected to pin 1 of the power management chip U1. The source of FET Q4 is grounded. In this embodiment, the oscillator circuit is used to vibrate according to the control signal from the main control circuit of the electronic cigarette body during fingerprint recognition.

[0033] As can be seen from the above, this utility model provides an electronic cigarette control circuit with Bluetooth communication and fingerprint recognition functions. By incorporating a primary voltage regulator circuit, a secondary voltage regulator circuit, an electronic cigarette main control circuit, an e-liquid atomization control circuit, a fingerprint recognition circuit, and a oscillator circuit that work in concert, the electronic cigarette main control circuit can unlock the control buttons based on feedback from the fingerprint recognition circuit. Furthermore, the electronic cigarette main control circuit can control the e-liquid atomization control circuit and the e-liquid atomization mechanism based on feedback from the e-liquid cartridge motherboard via Bluetooth communication. The device's on / off switching enables electronic cigarettes to have fingerprint recognition unlocking and Bluetooth communication functions. The fingerprint recognition unlocking function can prevent pets from accidentally triggering the e-cigarette and causing it to burn out or be wasted, and it can also prevent children from using it out of curiosity. The Bluetooth communication function allows the e-cigarette body and the cartridge to communicate with each other. Only when a cartridge compatible with the e-cigarette body is connected will the e-cigarette body supply power to the cartridge atomizer. The circuit structure is simple, which greatly improves the safety of e-cigarettes and the user experience. It solves the problems of existing technologies where e-cigarettes do not have electronic lock functions and are easily triggered by accident, and incompatible cartridges can lead to insufficient atomization and easy damage to the atomizer.

[0034] The specific embodiments described above are preferred embodiments of this utility model, and are not intended to limit the specific scope of this utility model. The scope of this utility model includes but is not limited to the specific embodiments described above. All equivalent changes made in accordance with this utility model are within the protection scope of this utility model.

Claims

1. An electronic cigarette control circuit with Bluetooth communication and fingerprint identification function, characterized in that: The electronic cigarette body main control circuit is connected with the input end of the tobacco tar atomization control circuit and the input end of the vibrator circuit, the output end of the tobacco tar atomization control circuit is connected with the tobacco cartridge atomizer of the electronic cigarette, the input end of the electronic cigarette body main control circuit is connected with the output end of the fingerprint identification circuit, the input end of the electronic cigarette body main control circuit is also connected with a control button, the electronic cigarette body main control circuit is also connected with the cartridge main board of the electronic cigarette in Bluetooth communication, the electronic cigarette body main control circuit can release the locking of the control button according to the information fed back by the fingerprint identification circuit, and the electronic cigarette body main control circuit can control the tobacco tar atomization control circuit and the tobacco cartridge atomizer according to the information fed back by the Bluetooth communication of the cartridge main board of the electronic cigarette.

2. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 1, characterized in that: The main control chip U2 is arranged in the electronic cigarette body main control circuit, the main control chip U2 is provided with 32 pins, the third pin of the main control chip U2 is connected with the output end of the secondary voltage stabilizing power supply circuit, the twenty-second pin of the main control chip U2 is connected with the input end of the tobacco tar atomization control circuit, the twenty-third pin of the main control chip U2 is connected with the input end of the vibrator circuit, the eleventh, twelfth and thirteenth pins of the main control chip U2 are connected with the output end of the fingerprint identification circuit, the twenty-sixth pin of the main control chip U2 is connected with the control button, and the eighth pin of the main control chip U2 is connected with the Bluetooth communication antenna and connected with the cartridge main board of the electronic cigarette in Bluetooth communication.

3. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 2, characterized in that: The fingerprint identification chip U11 and the fingerprint identification interface J2 are arranged in the fingerprint identification circuit, the fingerprint identification chip U11 is provided with 12 pins, the fingerprint identification interface J2 is provided with 10 pins, the eighth, ninth and tenth pins of the fingerprint identification chip U11 are connected with the eleventh, thirteenth and twelfth pins of the main control chip U2 respectively, the eleventh and twelfth pins of the fingerprint identification chip U11 are connected with the output end of the secondary voltage stabilizing power supply circuit, the first, second and third pins of the fingerprint identification chip U11 are connected with the fourth, sixth and eighth pins of the fingerprint identification interface J2 respectively, and the first pin of the fingerprint identification interface J2 is connected with a fingerprint identification sensor.

4. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 3, characterized in that: The primary voltage stabilizing power supply circuit is internally provided with a power supply management chip U1 and a capacitor C3, the power supply management chip U1 is provided with nine pins, the eighth pin of the power supply management chip U1 is connected with a power supply, the first pin of the power supply management chip U1 is connected with the secondary voltage stabilizing power supply circuit, the tobacco tar atomization control circuit and the vibrator circuit, the first pin of the power supply management chip U1 is also connected with one end of the capacitor C3, the fifth pin of the power supply management chip U1, the ninth pin of the power supply management chip U1 and the other end of the capacitor C3 are grounded.

5. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 4, characterized in that: The secondary voltage stabilizing power supply circuit is internally provided with a voltage stabilizing chip U3, a voltage stabilizing chip U5, a field effect transistor Q5 and a diode D6, the voltage stabilizing chip U3 is provided with three pins, the voltage stabilizing chip U5 is provided with five pins, the third pin of the voltage stabilizing chip U3 is connected with the negative electrode of the diode D6, the positive electrode of the diode D6 is connected with the first pin of the power supply management chip U1, the second pin of the voltage stabilizing chip U3 is connected with the source electrode of the field effect transistor Q5 and the third pin of the main control chip U2, the drain electrode of the field effect transistor Q5 is connected with the first pin of the voltage stabilizing chip U5 and the eleventh pin of the fingerprint identification chip U11, the gate electrode of the field effect transistor Q5 is connected with the twenty-seventh pin of the main control chip U2, the first pin of the voltage stabilizing chip U3 is grounded, and the fifth pin of the voltage stabilizing chip U5 is connected with the twelfth pin of the fingerprint identification chip U11 for power supply.

6. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 5, characterized in that: The tobacco tar atomization control circuit is internally provided with a field effect transistor Q1, a resistor R13 and a field effect transistor Q2, the source electrode of the field effect transistor Q1 is connected with the first pin of the power supply management chip U1, the gate electrode of the field effect transistor Q1 is connected with the drain electrode of the field effect transistor Q2 through the resistor R13, the gate electrode of the field effect transistor Q2 is connected with the twenty-second pin of the main control chip U2, the drain electrode of the field effect transistor Q1 is connected with the power supply of the electronic cigarette cartridge atomizer, and the source electrode of the field effect transistor Q2 is grounded.

7. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 6, characterized in that: The vibrator circuit is provided with a field effect transistor Q4, a diode D4, a vibration motor M and a resistor R19, the gate electrode of the field effect transistor Q4 is connected with the twenty-third pin of the main control chip U2, the drain electrode of the field effect transistor Q4 is connected with the positive electrode of the diode D4 and one end of the vibration motor M, the negative electrode of the diode D4 is connected with one end of the resistor R19 and the other end of the vibration motor M, the other end of the resistor R19 is connected with the first pin of the power supply management chip U1, and the source electrode of the field effect transistor Q4 is grounded.

8. The electronic cigarette control circuit with Bluetooth communication and fingerprint identification function according to claim 7, characterized in that: The model of the main control chip U2 is AC6321A_QFN32, the model of the fingerprint identification interface J2 is JV0103-H12N, the model of the power supply management chip U1 is HP4557DC8-42, the model of the voltage stabilizing chip U3 is CE6375, and the model of the voltage stabilizing chip U5 is HM5318M.

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