CN217787799U - One-key unlocking digital key Bluetooth unlocking circuit - Google Patents
One-key unlocking digital key Bluetooth unlocking circuit Download PDFInfo
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- CN217787799U CN217787799U CN202221636253.4U CN202221636253U CN217787799U CN 217787799 U CN217787799 U CN 217787799U CN 202221636253 U CN202221636253 U CN 202221636253U CN 217787799 U CN217787799 U CN 217787799U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a digital key bluetooth of key unblanking circuit relates to the circuit technical field of unblanking, pair main control circuit, bee calling organ sound production circuit, traffic lights indicating circuit, power step-down circuit, awakening circuit and the drive circuit that unblanks including the digital key bluetooth, the digital key bluetooth pairs main control circuit, bee calling organ sound production circuit, traffic lights indicating circuit, awakening circuit and the drive circuit that unblanks is connected with power step-down circuit electricity, traffic lights indicating circuit, bee calling organ sound production circuit, the drive circuit that unblanks and awakening circuit pair the main control circuit electricity with the digital key bluetooth and are connected. The utility model discloses a brand-new mode of unblanking, bluetooth of the mobile phone pairs and unblanks, as long as take the smart mobile phone, bluetooth circuit of unblanking at ordinary times is in full sleep low-power consumption state, as long as KEY is pressed KEY1 or touch T1 when needing to unblank, can awaken up the bluetooth circuit of unblanking, realizes unblanking, safe and reliable fast.
Description
Technical Field
The utility model relates to a circuit technical field that unblanks specifically is bluetooth circuit of unblanking.
Background
Mode is unblanked to intelligence lock on the present market, generally uses modes such as key, password, fingerprint, RF to punch the card, bluetooth APP, face identification to unblank, above the mode of unblanking have following shortcoming:
(1) Unlocking by a key: the key is required to be carried, the security level is low, the technical opening is easy, the copying is easy, the loss is easy, and the key is difficult to open after the conditions of rusting, poor contact and the like exist after a long time;
(2) Unlocking by a password: complicated passwords need to be memorized, and time and labor are wasted for inputting the passwords for verification;
(3) Fingerprint unlocking: the cost is high, the fingers of the old and the children are difficult to verify, and the experience is poor;
(4) Unlocking by swiping a card through RF: the card is easy to copy and lose, so that great potential safety hazard exists;
(5) Unlocking by a mobile phone APP: the mobile phone is required to be opened in a troublesome mode, then the APP is opened, the mobile phone can be unlocked by clicking, time and labor are wasted, and the old and the child are difficult to operate.
(6) Face recognition unlocking: the identification rate is low, and discernment is slow, and the consumption is high, and is with high costs, and different people's height still can influence the identification rate, often stands before the door and need hang down, turn round many times just can discern to unblank, and preparation false head looks can technique unblank, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a key digital key bluetooth circuit of unblanking to solve the loaded down with trivial details, the low problem of security of unblanking that above-mentioned background art provided.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a digital key bluetooth of key unblock circuit, includes that the digital key bluetooth pairs master control circuit, bee calling organ sound production circuit, traffic lights indicating circuit, power step-down circuit, awaken circuit and the drive circuit that unblanks, the digital key bluetooth pairs master control circuit, bee calling organ sound production circuit, traffic lights indicating circuit, awaken circuit and unblanks the drive circuit and be connected with power step-down circuit electricity, traffic lights indicating circuit, bee calling organ sound production circuit, the drive circuit that unblanks and awaken circuit and digital key bluetooth pairs master control circuit electricity and is connected.
Preferably, the digital KEY bluetooth pairing master control circuit comprises a master control circuit module IC1 and a crystal oscillator X1, pin 1 of the master control circuit module IC1 is connected with a KEY2 and then grounded, pins 3 and 4 of the master control circuit module IC1 are connected with an unlocking drive circuit, pin 5 of the master control circuit module IC1 is connected with an awakening circuit, pin 9 of the master control circuit module IC1 is connected with a buzzer sound production circuit, pins 10 and 11 of the master control circuit module IC1 are connected with a traffic light indication circuit, pin 12 of the master control circuit module IC1 is connected with a capacitor C8 and then grounded, pin 13 of the master control circuit module IC1 is connected with a capacitor C6 and then grounded, the crystal oscillator X1 is connected with pins 12 and 13 of the master control circuit module IC1, pin 14 of the master control circuit module IC1 is connected with a power supply VCC, pin 15 of the master control circuit module IC1 is grounded, and pin 16 of the master control circuit module IC1 is connected with an antenna bluetooth ANT. .
Preferably, BUZZER sound production circuit includes BUZZER BUZZER1, triode Q3 and diode D2, VCC is connected to 1 pin of BUZZER BUZZER1, triode Q3's collecting electrode is connected to 4 pins of BUZZER BUZZER1, triode Q3's projecting pole ground connection, triode Q3's base is connected with resistance R4, resistance R4's the other end is connected with main control circuit module IC 1's 9 pins, be connected with resistance R5 between triode Q3's the base and the projecting pole, VCC is connected to diode D2's negative pole, diode D2's positive pole is connected with 4 pins of BUZZER BUZZER 1.
Preferably, traffic light indicating circuit includes LED1 and LED2, LED 1's positive pole is connected with resistance R9, another termination power VCC of resistance R9, LED 1's negative pole is connected with master control circuit module IC 1's 11 pins, LED 2's positive pole is connected with resistance R10, another termination power VCC of resistance R10, LED 1's negative pole is connected with master control circuit module IC 1's 10 pins.
Preferably, the power supply voltage reduction circuit comprises a voltage stabilizing module U1, a triode Q1 and a triode Q2; the VSS pin of the voltage stabilizing module U1 is grounded, the VOUT pin of the voltage stabilizing module U1 is connected with VCC, the VOUT pin of the voltage stabilizing module U1 is respectively connected with a capacitor C2 and then grounded, the VIN pin of the voltage stabilizing module U1 is connected with a capacitor C1 and a capacitor C8, and the other end of the capacitor C8 is connected with VCC;
triode Q1 is connected to the VIN pin of voltage stabilizing module U1, and is concrete, triode Q1's collecting electrode is connected to voltage stabilizing module U1's VIN pin, triode Q1 is connected with zener diode D1, the anodal battery of connecting of zener diode D1, triode Q1's projecting pole is connected to zener diode's negative pole, be connected with resistance R1 between triode Q1's projecting pole and the base, triode Q2's collecting electrode is connected to triode Q1's base, triode Q2's projecting pole ground connection, triode Q2's base is connected with resistance R3, resistance R3's the other end and main control circuit module IC 1's 8 pin are connected, triode Q2's base is connected with resistance R2, then ground connection.
Preferably, the wake-up circuit comprises a KEY1, a touch module IC3 and a voltage stabilizing module U2, a QC pin of the touch module IC3 is connected with an 8 pin of the main control circuit module IC1, a VSS pin of the touch module IC3 is grounded, a TCH pin of the touch module IC3 is connected with a resistor R8, the other end of the resistor R8 is connected with a touch T1, the TCH pin of the touch module IC3 is connected with a capacitor C5 and then grounded, an AHLB pin and a TOG pin of the touch module IC3 are grounded, and the VDD pin of the touch module IC3 is connected with a 3.3V voltage;
a VIN pin of the voltage stabilizing module U2 is connected with VAA, a VSS pin of the voltage stabilizing module is grounded, the VIN pin of the voltage stabilizing module U2 is connected with VAA, the VIN pin of the voltage stabilizing module U2 is connected with a capacitor C3 and a capacitor C4, the other end of the capacitor C4 is connected with 3.3V voltage, and a VOUT pin of the voltage stabilizing module U2 is connected with 3.3V voltage;
one end of the KEY KEY1 is connected with an 8-pin of the main control circuit module IC1, and the other end of the KEY KEY1 is connected with 3.3V voltage.
Preferably, the unlocking driving circuit includes a driving module IC2 and an unlocking socket CN1, an INA pin of the driving module IC2 is connected to the resistor R6, the other end of the resistor R6 is connected to a pin 3 of the main control circuit module IC1, an INB pin of the driving module IC2 is connected to the resistor R7, the other end of the resistor R7 is connected to a pin 4 of the main control circuit module IC1, a VDD pin of the driving module IC2 is connected to the VBB, a VDD pin of the driving module IC2 is connected to the capacitor C7, and is then grounded, pins AGND and PGND of the driving module IC2 are commonly grounded, a pin 1 of the unlocking socket CN1 is connected to an OA pin of the driving module IC1, a pin 2 of the unlocking socket CN1 is connected to an OB pin of the driving module, and pins 1 and 2 of the unlocking socket CN1 are connected to the capacitor C9.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) According to the utility model, the smart phone realizes one-key unlocking within the Bluetooth connection range, and the Bluetooth unlocking circuit is awakened to unlock the phone, so that the phone brings the user with the unique experience; the door lock and the mobile phone are paired through the password, the password is permanently stored in the mobile phone and the Bluetooth unlocking circuit after one pairing, and the two are kept consistent, so that the unlocking can be realized, and the safety and the convenience are realized; if the mobile phone is lost, a new mobile phone or another mobile phone can be used for modifying the password after the password is verified, the unlocking function of the old mobile phone is invalid, the password can be reset through the KEY2, the password can be modified through reconnection, and the mobile phone can be unlocked in a pairing mode again.
(2) The utility model relates to a brand-new mode of unblanking, the bluetooth of the mobile phone pairs and unblanks, as long as take the smart mobile phone, the bluetooth circuit of unblanking is in full sleep low-power consumption state at ordinary times, as long as KEY is pressed KEY1 when need unblanking, the bluetooth circuit of unblanking can be awaken up, just can accomplish in 1 second and be connected with the cell-phone and pair, realize unblanking fast, the bluetooth of the mobile phone and the bluetooth circuit of unblanking pair through the password and verify, the password sets up once just can permanent use, safety and reliability, the bluetooth circuit of unblanking is simple stable, low cost, low power consumption, be suitable for the upgrading transformation of all locks.
Drawings
Fig. 1 is a circuit connection diagram of the one-key unlocking digital key bluetooth unlocking circuit of the utility model;
FIG. 2 is a circuit diagram of a digital key Bluetooth pairing master control;
FIG. 3 is a buzzer sound production circuit diagram;
FIG. 4 is a traffic light indicating circuit diagram;
FIG. 5 is a power supply voltage step-down circuit diagram;
FIG. 6 is a wake-up circuit diagram;
fig. 7 is a circuit diagram of the unlock drive circuit.
In the figure: 1-a digital key bluetooth pairing master control circuit; 2-buzzer sounding circuit; 3-traffic light indicating circuit; 4-a power supply voltage reduction circuit; 5-a wake-up circuit; 6-unlocking driving circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a one-key unlocking digital key Bluetooth unlocking circuit comprises a digital key Bluetooth pairing main control circuit 1, a buzzer sound production circuit 2, a traffic light indicating circuit 3, a power supply voltage reduction circuit 4, a wake-up circuit 5 and an unlocking driving circuit 6; the digital key Bluetooth pairing master control circuit 1, the buzzer sounding circuit 2, the traffic light indicating circuit 3, the awakening circuit 5 and the unlocking driving circuit 6 are electrically connected with the power supply voltage reduction circuit 4, and the traffic light indicating circuit 3, the buzzer sounding circuit 2, the unlocking driving circuit 6 and the awakening circuit 5 are electrically connected with the digital key Bluetooth pairing master control circuit 1.
Referring to fig. 2, the digital KEY bluetooth pairing master control circuit 1 includes a master control circuit module IC1 and a crystal oscillator X1, a KEY2 is connected to pin 1 of the master control circuit module IC1, and then grounded, an unlocking driving circuit 6 is connected to pins 3 and 4 of the master control circuit module IC1, a wake-up circuit 5 is connected to pin 5 of the master control circuit module IC1, a buzzer sound generating circuit 2 is connected to pin 9 of the master control circuit module IC1, a traffic light indicating circuit 3 is connected to pins 10 and 11 of the master control circuit module IC1, a capacitor C8 is connected to pin 12 of the master control circuit module IC1, and then grounded, a capacitor C6 is connected to pin 13 of the master control circuit module IC1, and then grounded, the crystal oscillator X1 is connected to pins 12 and 13 of the master control circuit module IC1, a power VCC is connected to pin 14 of the master control circuit module IC1, a 15 pin of the master control circuit module IC1 is grounded, and a bluetooth antenna ANT is connected to pin 16 of the master control circuit module IC 1.
Referring to fig. 3, BUZZER sound production circuit 2 includes BUZZER BUZZER1, triode Q3 and diode D2, VCC is connected to BUZZER BUZZER 1's 1 pin, triode Q3's collecting electrode is connected to BUZZER BUZZER 1's 4 pins, triode Q3's emitter ground, triode Q3's base connecting resistance R4, resistance R4's the other end and main control circuit module IC 1's 9 pins are connected, be connected with resistance R5 between triode Q3's the base and the emitter, VCC is connected to diode D2's negative pole, diode D2's positive pole and BUZZER BUZZER 1's 4 pins are connected.
Referring to fig. 4, traffic light indicating circuit 3 includes LED1 and LED2, the positive pole of LED1 is connected with resistance R9, another termination power VCC of resistance R9, the negative pole of LED1 is connected with the 11 pins of master control circuit module IC1, the positive pole of LED2 is connected with resistance R10, another termination power VCC of resistance R10, the negative pole of LED1 is connected with the 10 pins of master control circuit module IC 1.
Referring to fig. 5, the power supply voltage reduction circuit 4 includes a voltage stabilization module U1, a transistor Q1, and a transistor Q2; the VSS pin of the voltage stabilizing module U1 is grounded, the VOUT pin of the voltage stabilizing module U1 is connected with VCC, the VOUT pin of the voltage stabilizing module U1 is respectively connected with a capacitor C2 and then grounded, the VIN pin of the voltage stabilizing module U1 is connected with a capacitor C1 and a capacitor C8, and the other end of the capacitor C8 is connected with VCC;
triode Q1 is connected to the VIN pin of voltage stabilizing module U1, and is concrete, triode Q1's collecting electrode is connected to voltage stabilizing module U1's VIN pin, triode Q1 is connected with zener diode D1, the anodal battery of connecting of zener diode D1, triode Q1's projecting pole is connected to zener diode's negative pole, be connected with resistance R1 between triode Q1's projecting pole and the base, triode Q2's collecting electrode is connected to triode Q1's base, triode Q2's projecting pole ground connection, triode Q2's base is connected with resistance R3, resistance R3's the other end and main control circuit module IC 1's 8 pin connections, triode Q2's base connecting resistance R2, then ground connection.
Referring to fig. 6, the wake-up circuit 5 includes a KEY1, a touch module IC3 and a voltage stabilizing module U2, a QC pin of the touch module IC3 is connected to an 8 pin of the main control circuit module IC1, a VSS pin of the touch module IC3 is grounded, a TCH pin of the touch module IC3 is connected to a resistor R8, the other end of the resistor R8 is connected to a touch T1, the TCH pin of the touch module IC3 is connected to a capacitor C5 and then grounded, an AHLB pin and a TOG pin of the touch module IC3 are grounded, and a VDD pin of the touch module IC3 is connected to a 3.3V voltage.
The VIN pin of the voltage stabilizing module U2 is connected with VAA, the VSS pin of the voltage stabilizing module is grounded, the VIN pin of the voltage stabilizing module U2 is connected with VAA, the VIN pin of the voltage stabilizing module U2 is connected with a capacitor C3 and a capacitor C4, the other end of the capacitor C4 is connected with 3.3V voltage, and the VOUT pin of the voltage stabilizing module U2 is connected with 3.3V voltage.
One end of the KEY KEY1 is connected with an 8 pin of the main control circuit module IC1, and the other end of the KEY KEY1 is connected with 3.3V voltage.
Referring to fig. 7, the unlocking driving circuit 6 is responsible for driving unlocking, the unlocking driving circuit 6 includes a driving module IC2 and an unlocking socket CN1, an INA pin of the driving module IC2 is connected to a resistor R6, the other end of the resistor R6 is connected to a pin 3 of the main control circuit module IC1, a pin INB of the driving module IC2 is connected to a resistor R7, the other end of the resistor R7 is connected to a pin 4 of the main control circuit module IC1, a pin VDD of the driving module IC2 is connected to a VBB, a pin VDD of the driving module IC2 is connected to a capacitor C7, and then the pins are grounded, the pin AGND and the pin PGND of the driving module IC2 are commonly grounded, a pin 1 of the unlocking socket CN1 is connected to a pin OA of the driving module IC1, a pin 2 of the socket CN1 is connected to a pin OB of the driving module, and pins 1 and 2 of the unlocking socket CN1 are connected to a capacitor C9.
The utility model relates to a brand-new mode of unblanking, the bluetooth of the mobile phone pairs and unblanks, can unblank as long as take the smart mobile phone, the bluetooth circuit of unblanking is in full sleep low power consumption state at ordinary times, need only a KEY press case KEY1 or touch T1 when unblanking, the bluetooth circuit of unblanking can be awaken up, just can accomplish in 1 second and be connected with the cell-phone and pair, realize unblanking fast, the bluetooth of the mobile phone and the bluetooth circuit of unblanking pair through the password and verify, the password sets up once and just can use forever, safety and reliability, the bluetooth circuit of unblanking is simple and stable, low cost, low power consumption, be suitable for the upgrading transformation of all locks.
The utility model discloses a digital key bluetooth pairs master control circuit 1 and is used for connecting the smart mobile phone, master control circuit module IC1 work back, be connected with the smart mobile phone through bluetooth antenna ANT, verify whether the password of pairing is correct, pair through the password and realize that the smart mobile phone is connected with master control circuit module IC1 ground and pair, the drive is unblanked after the password is correct drive 6OPEN/CLOSE pins, can not unblank behind the password error, the end of work gets into outage dormant state at once.
The pairing password can be reset by long pressing of the key KE2, and the password is restored to the factory password after being lost; in the BUZZER sounding circuit 2, the BUZZER BUZZER1 can realize correct or wrong prompt sound; LED1, LED2 are red, green pilot lamp in the traffic lights indicating circuit 3, indicate correctly or wrong.
The power supply voltage reducing road can reduce the working voltage (such as 6V of a battery or 3.7V of a button battery) to the voltage which is suitable for the working requirement of the circuit board, such as 3.3V, and can automatically turn off the dormancy; when a KEY KEY1 or a touch T1 is pressed, a high level is output at LOCK _ PWR, a triode Q2 is conducted, so that the triode Q1 is conducted, after the triode Q1 is conducted, a voltage stabilizing module U1 obtains a power supply, VCC outputs working voltage, a main control circuit module IC1 obtains the power supply to work, the main control circuit module IC1 firstly outputs the high level to the LOCK _ PWR on a pin 8P 14, therefore, the main control circuit module IC1 can work normally even if no KEY1 KEY or touch T1 is output, and when a pin 8 of the main control circuit module IC1 outputs a low level to the LOCK _ PWR, the triode Q2 and the triode Q1 do not work any more and start to enter a power-off state; and the voltage stabilizing module U2 is responsible for obtaining power supply required by work for the touch module IC3 and the KEY KEY 1.
According to the utility model, the smart phone realizes one-key unlocking within the Bluetooth connection range, and the Bluetooth unlocking circuit is awakened to unlock the phone, so that the phone brings the user with the unique experience; the door lock and the mobile phone are paired through the passwords, and the passwords are permanently stored in the mobile phone and the Bluetooth unlocking circuit after one-time pairing, so that the unlocking can be realized if the passwords are consistent, and the safety and the convenience are realized; if the mobile phone is lost, a new mobile phone or another mobile phone can be used, the password is modified after the password is verified, the unlocking function of the old mobile phone is invalid, and the password can be reset through pressing the KEY2, and the password can be reconnected and modified, so that the mobile phone can be unlocked in a pairing mode again.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a key digital key bluetooth circuit of unblanking which characterized in that: the Bluetooth of the digital key is matched with the main control circuit, the buzzer sound production circuit, the traffic light indication circuit, the power supply voltage reduction circuit, the awakening circuit and the unlocking driving circuit, the Bluetooth of the digital key is matched with the main control circuit, the buzzer sound production circuit, the traffic light indication circuit, the awakening circuit and the unlocking driving circuit and are electrically connected with the power supply voltage reduction circuit, and the traffic light indication circuit, the buzzer sound production circuit, the unlocking driving circuit and the awakening circuit are matched with the Bluetooth of the digital key and are electrically connected with the main control circuit.
2. The bluetooth unlocking circuit of one-key unlocking digital key according to claim 1, characterized in that: the digital KEY Bluetooth pairing master control circuit comprises a master control circuit module IC1 and a crystal oscillator X1, wherein a pin 1 of the master control circuit module IC1 is connected with a KEY KEY2 and then is grounded, pins 3 and 4 of the master control circuit module IC1 are connected with an unlocking drive circuit, a pin 5 of the master control circuit module IC1 is connected with an awakening circuit, a pin 9 of the master control circuit module IC1 is connected with a buzzer sounding circuit, pins 10 and 11 of the master control circuit module IC1 are connected with a traffic light indicating circuit, a pin 12 of the master control circuit module IC1 is connected with a capacitor C8 and then is grounded, a pin 13 of the master control circuit module IC1 is connected with a capacitor C6 and then is grounded, the crystal oscillator X1 is connected with pins 12 and 13 of the master control circuit module IC1, a pin 14 of the master control circuit module IC1 is connected with a power supply VCC, a pin 15 of the master control circuit module IC1 is grounded, and a pin 16 of the master control circuit module IC1 is connected with a Bluetooth antenna ANT.
3. The bluetooth unlocking circuit of one-key unlocking digital key according to claim 2, characterized in that: BUZZER sound production circuit includes BUZZER BUZZER1, triode Q3 and diode D2, the VCC is connected to BUZZER BUZZER 1's 1 pin, triode Q3's collecting electrode is connected to BUZZER BUZZER 1's 4 pins, triode Q3's projecting pole ground connection, triode Q3's base is connected with resistance R4, resistance R4's the other end is connected with main control circuit module IC 1's 9 pins, be connected with resistance R5 between triode Q3's base and the projecting pole, the VCC is connected to diode D2's negative pole, diode D2's positive pole and BUZZER BUZZER 1's 4 pin connections.
4. The one-key unlocking digital key Bluetooth unlocking circuit as claimed in claim 3, characterized in that: the traffic light indicating circuit comprises an LED1 and an LED2, the anode of the LED1 is connected with a resistor R9, the other end of the resistor R9 is connected with a power VCC, the cathode of the LED1 is connected with 11 pins of a main control circuit module IC1, the anode of the LED2 is connected with a resistor R10, the other end of the resistor R10 is connected with the power VCC, and the cathode of the LED1 is connected with 10 pins of the main control circuit module IC 1.
5. The Bluetooth unlocking circuit of the one-key unlocking digital key according to claim 4, wherein: the power supply voltage reduction circuit comprises a voltage stabilizing module U1, a triode Q1 and a triode Q2; the VSS pin of the voltage stabilizing module U1 is grounded, the VOUT pin of the voltage stabilizing module U1 is connected with VCC, the VOUT pin of the voltage stabilizing module U1 is respectively connected with a capacitor C2 and then grounded, the VIN pin of the voltage stabilizing module U1 is connected with a capacitor C1 and a capacitor C8, and the other end of the capacitor C8 is connected with VCC;
triode Q1 is connected to the VIN pin of voltage stabilizing module U1, and is concrete, triode Q1's collecting electrode is connected to voltage stabilizing module U1's VIN pin, triode Q1 is connected with zener diode D1, the anodal battery of connecting of zener diode D1, triode Q1's projecting pole is connected to zener diode's negative pole, be connected with resistance R1 between triode Q1's projecting pole and the base, triode Q2's collecting electrode is connected to triode Q1's base, triode Q2's projecting pole ground connection, triode Q2's base is connected with resistance R3, resistance R3's the other end and main control circuit module IC 1's 8 pin are connected, triode Q2's base is connected with resistance R2, then ground connection.
6. The bluetooth unlocking circuit of one-key unlocking digital key according to claim 5, characterized in that: the wake-up circuit comprises a KEY KEY1, a touch module IC3 and a voltage stabilizing module U2, wherein a QC pin of the touch module IC3 is connected with an 8 pin of a main control circuit module IC1, a VSS pin of the touch module IC3 is grounded, a TCH pin of the touch module IC3 is connected with a resistor R8, the other end of the resistor R8 is connected with a touch T1, the TCH pin of the touch module IC3 is connected with a capacitor C5 and then is grounded, an AHLB pin and a TOG pin of the touch module IC3 are grounded, and the VDD pin of the touch module IC3 is connected with 3.3V voltage;
a VIN pin of the voltage stabilizing module U2 is connected with VAA, a VSS pin of the voltage stabilizing module is grounded, the VIN pin of the voltage stabilizing module U2 is connected with VAA, the VIN pin of the voltage stabilizing module U2 is connected with a capacitor C3 and a capacitor C4, the other end of the capacitor C4 is connected with 3.3V voltage, and a VOUT pin of the voltage stabilizing module U2 is connected with 3.3V voltage;
one end of the KEY KEY1 is connected with an 8 pin of the main control circuit module IC1, and the other end of the KEY KEY1 is connected with 3.3V voltage.
7. The bluetooth unlocking circuit of one-key unlocking digital key according to claim 6, characterized in that: the unlocking driving circuit comprises a driving module IC2 and an unlocking socket CN1, an INA pin of the driving module IC2 is connected with a resistor R6, the other end of the resistor R6 is connected with a pin 3 of a main control circuit module IC1, an INB pin of the driving module IC2 is connected with a resistor R7, the other end of the resistor R7 is connected with a pin 4 of the main control circuit module IC1, a VDD pin of the driving module IC2 is connected with a VBB, a VDD pin of the driving module IC2 is connected with a capacitor C7 and then grounded, AGND and PGND pins obtained by the driving module IC2 are grounded together, a pin 1 of the unlocking socket CN1 is connected with an OA pin of the driving module IC1, a pin 2 of the unlocking socket CN1 is connected with an OB pin of the driving module, and pins 1 and 2 of the unlocking socket CN1 are connected with a capacitor C9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221636253.4U CN217787799U (en) | 2022-06-27 | 2022-06-27 | One-key unlocking digital key Bluetooth unlocking circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221636253.4U CN217787799U (en) | 2022-06-27 | 2022-06-27 | One-key unlocking digital key Bluetooth unlocking circuit |
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| Publication Number | Publication Date |
|---|---|
| CN217787799U true CN217787799U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221636253.4U Active CN217787799U (en) | 2022-06-27 | 2022-06-27 | One-key unlocking digital key Bluetooth unlocking circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217787799U (en) |
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2022
- 2022-06-27 CN CN202221636253.4U patent/CN217787799U/en active Active
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