CN106917541A - A kind of light encourages bluetooth ID intelligent and safe lock cores - Google Patents

Abstract

Bluetooth ID intelligent and safe lock cores are encouraged the invention discloses a kind of light, the present invention includes cylinder side and key side.Cylinder side includes cylinder side master control system chip circuit, and infrared transmitting circuit, 433MHz RF receiving circuits, motor drives and lock-rotor detection circuit, and a key switch power supply holding circuit, voltage detection circuit, battery supplies electrical connection circuit and switch.Key side includes infrared receiving circuit, Master control chip circuit, power circuit and radio frequency transmitter circuitry.The present invention is low in energy consumption, with low cost, enables to intelligent lock core tooth number not reduce and be electrically connected process is simple.

Description

A light-excited bluetooth ID smart security lock cylinder

technical field

The invention relates to the technical field of intelligent safety lock cylinder devices, in particular to an intelligent lock cylinder adopting multiple verifications of mechanical structure, infrared and radio frequency communication verification.

Background technique

The traditional door lock cylinder is completely realized by the mechanical structure, and there is a problem of insufficient tooth pattern coding, resulting in a high mutual opening rate of the key. In order to solve this problem, some manufacturers use a unique global ID chip on the key end. Represented by maxim's DS2400, they are single-bus structures, and their control only needs one ground wire and one signal wire. The method improves the safety of the traditional lock cylinder and realizes the electromechanical combination. But because there is a contact method to send the ID code to the MCU in the lock cylinder, it is necessary to set up a contact at the position of the key pin, which reduces the number of tooth marks on the mechanical key, such as Fang Dawei, Sun Xiaodong, Ma Qingyu, Miao Hua .Design of intelligent lock cylinder based on PIC microcontroller[J].Journal of Nanjing Normal University (Engineering Technology Edition),2013,01:25-29.The lock cylinder in the literature. If power is supplied to the key, the number of contacts will be more, which will increase the mutual opening rate of the mechanical part. At the same time, the electrical connection process of this method of data communication through the marble structure is complicated and the research and development cost is high. The invention can effectively solve the disadvantages of ordinary intelligent lock cylinders adopting the ID chip scheme to reduce chip codes, increase the rate of chip mutual opening of mechanical parts, complicated electrical connection process, high research and development costs and poor stability.

Contents of the invention

In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a light-excited bluetooth ID intelligent safety lock cylinder structure.

A light-excited Bluetooth ID intelligent security lock cylinder includes a lock cylinder side and a key side. The lock cylinder side includes the main control system chip circuit on the lock cylinder side, infrared transmitting circuit, 433MHz radio frequency receiving circuit, motor drive and stall detection circuit, one-button switch power supply maintenance circuit, power supply voltage detection circuit, battery power supply connection circuit and switch. The key side includes an infrared receiving circuit, a main control chip circuit, a power circuit and a radio frequency transmitting circuit.

The main control system chip circuit on the lock cylinder side includes a single-chip microcomputer U2, a first non-polar capacitor C1, a second non-polar capacitor C2, a first polar capacitor C3 and a third non-polar C4; the model of the single-chip microcomputer U2 is STM8S105.

Pin 1 of the single-chip microcomputer U2 is connected to one end of the first non-polar capacitor C1, and the other end of the first non-polar capacitor C1 is connected to GND; pin 4 and pin 10 of the single-chip microcomputer U2 are connected to GND, and pin 5 is connected to the second non-polar capacitor C1. One end of the polarity C2 is connected, and the other end of the second non-polarity C2 is connected to GND; pins 6, 7, and 9 of the microcontroller U2 are connected to the positive pole of the first polarity capacitor C3 and one end of the third non-polarity C4. Connect the positive pole of the battery P3, the negative pole of the first polarity capacitor C3, and the other end of the third non-polarity C4 are connected and grounded; the 2 pins, 3 pins, 8 pins, 14 pins, 17 pins, 18 pins, 19 pins of the single chip microcomputer U2 Feet, 20 feet, 21 feet, 23 feet, 25 feet, 26 feet, 29 feet, 30 feet, 31 feet, 32 feet are overhead.

The infrared emitting circuit includes a first resistor R1, a second resistor R4, a third resistor R7, a fourth resistor R8, a fifth resistor R16, a first triode P5, a second triode P8, a first infrared emitting diode LED1, A first Schottky diode D1 and a second Schottky diode D3.

One end of the first resistor R1 is connected to one end of the second resistor R4, the emitter of the first triode P5 and connected to the positive pole of the battery P3, the other end of the first resistor R1 is connected to the second Schottky diode D3 The cathode and one end of the third resistor R7 are connected and connected to pin 12 of the single-chip microcomputer U2, and the other end of the second resistor R4 is connected to one end of the fourth resistor R8 and the cathode of the first Schottky diode D1 and connected to pin 11 of the single-chip microcomputer U2; The anode of the first Schottky diode D1 and the anode of the second Schottky diode D3 are connected to GND; the other end of the third resistor R7 is connected to the base of the first transistor P5, and the collector of the first transistor P5 It is connected with the emitter of the second transistor P8, the base of the second transistor P8 is connected with the other end of the fourth resistor R8, the collector of the second transistor P8 is connected with one end of the fifth resistor R16, and the second transistor P8 is connected with the other end of the fourth resistor R8. The other end of the five-resistor R16 is connected to the anode of the first infrared emitting diode LED1, and the cathode of the first infrared emitting diode LED1 is connected to GND.

The 433MHz radio frequency receiving circuit uses a H3V4F 433MHz radio frequency receiving module; the 1 pin of the radio frequency receiving module is connected to the positive pole of the battery P3, the 2 pin is connected to the 13 pin of the single-chip microcomputer U2, and the 3 pin is connected to GND;

The motor drive and stall detection circuit on the lock cylinder side includes sixth resistor R2, seventh resistor R5, eighth resistor R10, ninth resistor R6, tenth resistor R3, eleventh resistor R11, twelfth resistor R14, tenth resistor Three resistors R15, the first transistor P6, the second transistor P7, the third transistor N4, the fourth transistor N5 and the motor MOTOR.

One end of the sixth resistor R2 is connected to the positive pole of the battery P3, the other end of the sixth resistor R2 is connected to one end of the seventh resistor R5 and one end of the eighth resistor R10 and connected to pin 28 of the single-chip microcomputer U2, and the seventh resistor R5 The other end is connected to the base of the first triode P6, the emitter of the first triode P6 is connected to the positive pole of the battery P3, the collector of the first triode P6 is connected to the pin 2 and the third triode of the motor MOTOR The collector of the tube N4 is connected, the base of the third triode N4 is connected to the other end of the eighth resistor R10, the emitter of the third triode N4 is connected to one end of the twelfth resistor R14, and one end of the thirteenth resistor R15 One end is connected to the emitter of the fourth transistor N5, the other end of the thirteenth resistor R15 is connected to pin 16 of the microcontroller U2, the other end of the twelfth resistor R14 is connected to GND, and the collector of the fourth transistor N5 Connect with pin 1 of the motor MOTOR and the collector of the second transistor P7, connect the base of the fourth transistor N5 to one end of the eleventh resistor R11, and connect the other end of the eleventh resistor R11 to the 27 pin, one end of the tenth resistor R3 is connected to one end of the ninth resistor R6, the other end of the ninth resistor R6 is connected to the base of the second triode P7, and the other end of the tenth resistor R3 is connected to the positive pole of the battery P3 , the emitter of the second triode P7 is connected to the positive pole of the battery P3.

The one-button switch power supply holding circuit on the side of the lock cylinder includes the fourteenth resistor R13, the fifteenth resistor R19, the sixteenth resistor R9, the seventeenth resistor R18, the eighteenth resistor R20, the third Schottky diode D2, the fifth Transistor N1, sixth triode P1 and seventh triode N3.

One end of the fourteenth resistor R13 is connected to pin 22 of the microcontroller U2, the other end of the fourteenth resistor R13 is connected to one end of the fifteenth resistor R19 and the base of the fifth triode N1, and the fifteenth resistor The other end of R19 is connected to the cathode of the third Schottky diode D2 and connected to GND, the anode of the third Schottky diode D2 is connected to the emitter of the fifth transistor N1, and the collector of the fifth transistor N1 is connected to One end of the sixteenth resistor R9 is connected, the other end of the sixteenth resistor R9 is connected to the base of the sixth triode P1, the emitter of the sixth triode P1 is connected to the positive pole of the battery P3, and the sixth triode The collector of P1 is connected to one end of the seventeenth resistor R18 and one end of the eighteenth resistor R20, the other end of the seventeenth resistor R18 is connected to the base of the seventh transistor N3, and the collector of the seventh transistor N3 The electrodes are connected to GND, and the emitter of the seventh triode N3 is connected to the other end of the eighteenth resistor R20 and connected to PGND.

The power supply voltage detection circuit on the side of the lock cylinder includes a first light emitting diode LED2, a nineteenth resistor R23 and a twentieth resistor R24.

The anode of the first light emitting diode LED2 is connected to the positive pole of the battery P3, the cathode of the first light emitting diode LED2 is connected to one end of the nineteenth resistor R23 and one end of the twentieth resistor R24, and the other end of the nineteenth resistor R23 is connected to the positive pole of the battery P3. The 24-pin of the single-chip microcomputer U2 is connected, and the other end of the twentieth resistor R24 is connected with the 15-pin of the single-chip microcomputer U2.

The battery connection circuit on the lock cylinder side includes three AA batteries P3; the negative pole of the battery P3 is connected to PGND, and the positive pole of the battery P3 is connected to VCC.

The switch on the lock cylinder side is a switch P4; one end of the switch P4 is connected to PGND, and the other end is connected to GND.

The infrared receiving circuit on the key side includes HS0038 infrared receiving tube U5; pin 1 of the infrared receiving tube U5 is connected to pin 4 of the single-chip microcomputer U3, pin 2 is connected to GND, and pin 3 is connected to pin 3 of the single-chip microcomputer U3.

The main control chip circuit on the key side includes a single-chip microcomputer U3 and the twenty-first resistor R25. The model of the single-chip microcomputer U3 is MSP430G2001; one end of the twenty-first resistor R25 is connected to pin 10 of the single-chip microcomputer U3, and the other end of the twenty-first resistor R25 is connected to The positive pole of the battery P9 is connected; pin 1 of the microcontroller U3 is connected to the positive pole of the battery P9, and pin 14 is connected to GND; pins 5, 6, 7, 8, 9, 11, 12, and 13 are overhead.

The power supply circuit on the key side includes battery P9, the model of battery P9 is CR2032; the negative pole of battery P9 is connected to GND.

The radio frequency transmitting circuit on the key side includes a 433MHz transmitting module U4, and the model of the transmitting module U4 is H34B-433; the 1 pin of the transmitting module U4 is connected to the positive pole of the battery P9, the 2 pin is connected to the 2 pin of the single-chip microcomputer U3, and the 3 pin of the single-chip microcomputer U3 Connect to GND.

The beneficial effects of the present invention are:

1. The number of teeth of the intelligent lock cylinder does not decrease: this is the most important function. The number of teeth directly determines the safety of the lock cylinder. also increased accordingly.

2. The electrical connection process is simple: through wireless and infrared methods, the circuit process is simple, the stability is improved, the research and development cost is reduced, and the system is more stable.

3. Low power consumption: The key side adopts TI low-power single-chip microcomputer, and the button battery is powered; the lock cylinder side uses a one-button switch circuit, which makes the system power consumption low.

4. Low cost: no mechanical means for data communication, and the electrical connection process is simple, which reduces the cost.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a circuit diagram of the main control system chip on the side of the lock cylinder;

Fig. 3 is the infrared emission circuit diagram of the lock cylinder side;

Fig. 4 is a 433MHz radio frequency receiving circuit diagram on the lock cylinder side;

Fig. 5 is a circuit diagram of motor drive and locked-rotor detection on the side of the lock cylinder;

Fig. 6 is a circuit diagram of a key switch power supply on the side of the lock cylinder;

Fig. 7 is a circuit diagram of the detection circuit of the power supply voltage at the side of the lock cylinder;

Fig. 8 is a connection circuit diagram of the battery on the side of the lock cylinder;

Fig. 9 is a lock cylinder side switch;

Fig. 10 is a diagram of the infrared receiving circuit on the key side;

Fig. 11 is a circuit diagram of the key side main control chip;

Fig. 12 is a circuit diagram of the key side power supply;

Fig. 13 is a circuit diagram of the radio frequency transmitting circuit on the key side.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, a Sonic Bluetooth ID smart security lock cylinder includes a lock cylinder side and a key side. The lock cylinder side includes the main control system chip circuit on the lock cylinder side, infrared transmitting circuit, 433MHz radio frequency receiving circuit, motor drive and stall detection circuit, one-button switch power supply maintenance circuit, power supply voltage detection circuit, battery power supply connection circuit and switch. The key side includes an infrared receiving circuit, a main control chip circuit, a power circuit and a radio frequency transmitting circuit.

As shown in Figure 2, the main control system chip circuit on the lock cylinder side includes a single-chip microcomputer U2, a first non-polar capacitor C1, a second non-polar C2, a first polar capacitor C3 and a third non-polar C4; The model of the microcontroller U2 is STM8S105.

Pin 1 of the single-chip microcomputer U2 is connected to one end of the first non-polar capacitor C1, and the other end of the first non-polar capacitor C1 is connected to GND; pin 4 and pin 10 of the single-chip microcomputer U2 are connected to GND, and pin 5 is connected to the second non-polar capacitor C1. One end of the polarity C2 is connected, and the other end of the second non-polarity C2 is connected to GND; pins 6, 7, and 9 of the microcontroller U2 are connected to the positive pole of the first polarity capacitor C3 and one end of the third non-polarity C4. Connect the positive pole of the battery P3, the negative pole of the first polarity capacitor C3, and the other end of the third non-polarity C4 are connected and grounded; the 2 pins, 3 pins, 8 pins, 14 pins, 17 pins, 18 pins, 19 pins of the single chip microcomputer U2 Feet, 20 feet, 21 feet, 23 feet, 25 feet, 26 feet, 29 feet, 30 feet, 31 feet, 32 feet are overhead.

As shown in Figure 3, the infrared emitting circuit includes a first resistor R1, a second resistor R4, a third resistor R7, a fourth resistor R8, a fifth resistor R16, a first triode P5, a second triode P8, and a second triode P8. An infrared emitting diode LED1, a first Schottky diode D1 and a second Schottky diode D3.

One end of the first resistor R1 is connected to one end of the second resistor R4, the emitter of the first triode P5 and connected to the positive pole of the battery P3, the other end of the first resistor R1 is connected to the second Schottky diode D3 The cathode and one end of the third resistor R7 are connected and connected to pin 12 of the single-chip microcomputer U2, and the other end of the second resistor R4 is connected to one end of the fourth resistor R8 and the cathode of the first Schottky diode D1 and connected to pin 11 of the single-chip microcomputer U2; The anode of the first Schottky diode D1 and the anode of the second Schottky diode D3 are connected to GND; the other end of the third resistor R7 is connected to the base of the first transistor P5, and the collector of the first transistor P5 It is connected with the emitter of the second transistor P8, the base of the second transistor P8 is connected with the other end of the fourth resistor R8, the collector of the second transistor P8 is connected with one end of the fifth resistor R16, and the second transistor P8 is connected with the other end of the fourth resistor R8. The other end of the five-resistor R16 is connected to the anode of the first infrared emitting diode LED1, and the cathode of the first infrared emitting diode LED1 is connected to GND.

As shown in Figure 4, what the 433MHz radio frequency receiving circuit uses is the H3V4F type 433MHz radio frequency receiving module; 1 pin of described radio frequency receiving module connects the positive pole of battery P3, 2 pins connect 13 pins of single-chip microcomputer U2, 3 pins connect GND;

As shown in Figure 5, the motor drive and stall detection circuit on the side of the lock cylinder includes a sixth resistor R2, a seventh resistor R5, an eighth resistor R10, a ninth resistor R6, a tenth resistor R3, an eleventh resistor R11, a tenth resistor Two resistors R14, a thirteenth resistor R15, a first transistor P6, a second transistor P7, a third transistor N4, a fourth transistor N5 and a motor MOTOR.

One end of the sixth resistor R2 is connected to the positive pole of the battery P3, the other end of the sixth resistor R2 is connected to one end of the seventh resistor R5 and one end of the eighth resistor R10 and connected to pin 28 of the single-chip microcomputer U2, and the seventh resistor R5 The other end is connected to the base of the first triode P6, the emitter of the first triode P6 is connected to the positive pole of the battery P3, the collector of the first triode P6 is connected to the pin 2 and the third triode of the motor MOTOR The collector of the tube N4 is connected, the base of the third triode N4 is connected to the other end of the eighth resistor R10, the emitter of the third triode N4 is connected to one end of the twelfth resistor R14, and one end of the thirteenth resistor R15 One end is connected to the emitter of the fourth transistor N5, the other end of the thirteenth resistor R15 is connected to pin 16 of the microcontroller U2, the other end of the twelfth resistor R14 is connected to GND, and the collector of the fourth transistor N5 Connect with pin 1 of the motor MOTOR and the collector of the second transistor P7, connect the base of the fourth transistor N5 to one end of the eleventh resistor R11, and connect the other end of the eleventh resistor R11 to the 27 pin, one end of the tenth resistor R3 is connected to one end of the ninth resistor R6, the other end of the ninth resistor R6 is connected to the base of the second triode P7, and the other end of the tenth resistor R3 is connected to the positive pole of the battery P3 , the emitter of the second triode P7 is connected to the positive pole of the battery P3.

As shown in Figure 6, the one-button switch power supply holding circuit on the side of the lock cylinder includes a fourteenth resistor R13, a fifteenth resistor R19, a sixteenth resistor R9, a seventeenth resistor R18, an eighteenth resistor R20, a third Schott The base diode D2, the fifth transistor N1, the sixth transistor P1 and the seventh transistor N3.

One end of the fourteenth resistor R13 is connected to pin 22 of the microcontroller U2, the other end of the fourteenth resistor R13 is connected to one end of the fifteenth resistor R19 and the base of the fifth triode N1, and the fifteenth resistor The other end of R19 is connected to the cathode of the third Schottky diode D2 and connected to GND, the anode of the third Schottky diode D2 is connected to the emitter of the fifth transistor N1, and the collector of the fifth transistor N1 is connected to One end of the sixteenth resistor R9 is connected, the other end of the sixteenth resistor R9 is connected to the base of the sixth triode P1, the emitter of the sixth triode P1 is connected to the positive pole of the battery P3, and the sixth triode The collector of P1 is connected to one end of the seventeenth resistor R18 and one end of the eighteenth resistor R20, the other end of the seventeenth resistor R18 is connected to the base of the seventh transistor N3, and the collector of the seventh transistor N3 The electrodes are connected to GND, and the emitter of the seventh triode N3 is connected to the other end of the eighteenth resistor R20 and connected to PGND.

As shown in FIG. 7 , the power supply voltage detection circuit at the lock cylinder side includes a first light-emitting diode LED2 , a nineteenth resistor R23 and a twentieth resistor R24 .

The anode of the first light emitting diode LED2 is connected to the positive pole of the battery P3, the cathode of the first light emitting diode LED2 is connected to one end of the nineteenth resistor R23 and one end of the twentieth resistor R24, and the other end of the nineteenth resistor R23 is connected to the positive pole of the battery P3. The 24-pin of the single-chip microcomputer U2 is connected, and the other end of the twentieth resistor R24 is connected with the 15-pin of the single-chip microcomputer U2.

As shown in Figure 8, the battery connection circuit on the lock cylinder side includes three AA batteries P3; the negative pole of the battery P3 is connected to PGND, and the positive pole of the battery P3 is connected to VCC.

As shown in FIG. 9 , the switch on the side of the lock cylinder is a switch P4; one end of the switch P4 is connected to PGND, and the other end is connected to GND.

As shown in Figure 10, the infrared receiving circuit on the key side includes HS0038 infrared receiving tube U5; pin 1 of the infrared receiving tube U5 is connected to pin 4 of the single-chip microcomputer U3, pin 2 is connected to GND, and pin 3 is connected to pin 3 of the single-chip microcomputer U3.

As shown in Figure 11, the main control chip circuit on the key side includes a single-chip microcomputer U3 and a twenty-first resistor R25. The model of the single-chip microcomputer U3 is MSP430G2001; The other end of the resistor R25 is connected to the positive pole of the battery P9; pin 1 of the microcontroller U3 is connected to the positive pole of the battery P9, pin 14 is connected to GND; pins 5, 6, 7, 8, 9, 11, 12, and 13 are overhead .

As shown in Figure 12, the power supply circuit on the key side includes a battery P9 whose model is CR2032; the negative pole of the battery P9 is connected to GND.

As shown in Figure 13, the radio frequency transmitting circuit on the key side includes a 433MHz transmitting module U4, and the model of the transmitting module U4 is H34B-433; the 1 pin of the transmitting module U4 is connected to the positive pole of the battery P9, and the 2 pin is connected to the 2 pin of the single chip microcomputer U3 , Pin 3 of MCU U3 is connected to GND.

As shown in Figure 1, the present invention is mainly divided into two parts: the key side and the lock cylinder side, wherein the key side can receive infrared signals and send 433MHz radio frequency information; and the lock cylinder side can send infrared signals and receive 433MHz information to verify the key Whether the information on the side matches. The specific work of the key side and the lock cylinder side is as follows:

1. Key side: on the key, any single-chip microcomputer (such as MSP430G2001 single-chip microcomputer) is designed, and an infrared receiving module circuit and a 433MHZ bluetooth sending circuit are designed at the same time. (identification code) data and transmission end code, etc., reliably send the ID to the lock cylinder side through the 433MHz Bluetooth technology.

2. Lock cylinder side: on the lock cylinder, any single-chip microcomputer is designed, and there is a Flash ROM or EEPROM inside to save the program and multiple key ID information set. Under the control of the program, the MCU sends an infrared incentive code to the key. After matching, the 433MHz transmitting circuit of the MCU start key on the key sends ID data, and the lock cylinder receives the ID data transmitted by the 433MHz radio frequency of the key, and judges whether there is the same ID as the key in the internal storage of the lock cylinder. If it is the same, then Control the motor to open the lock tongue buckle to achieve the purpose of opening the lock cylinder. If the mechanical teeth of the key are incorrect or the ID is incorrect, the lock cylinder cannot be opened.

In order to reduce the power supply on the side of the lock cylinder, a switch is set in the lock cylinder, and a power supply holding circuit is implemented in the circuit at the same time. Only when the mechanical key is inserted, the power circuit works, and it does not consume electricity at ordinary times, prolonging the battery life. At the same time, the infrared receiving tube on the key side is also controlled by a single-chip microcomputer to start and stop, and the power consumption is usually very low.

The specific workflow is as follows:

The single-chip microcomputer on the key provides short-pulse power supply to the infrared receiving module and reads whether the infrared receiving module has signal input. Usually, when there is no correct infrared signal input, only the single-chip microcomputer and infrared receiving tube U5 work in the key, and the power consumption is very low. When the key is inserted into the lock cylinder, the switch in the lock cylinder (P4 in Figure 9) will be pressed, GND and PGND will be turned on, and the microcontroller U2 will start to power on, and the GND-CON in Figure 6 will be connected to U2 (STM8S105 microcontroller ), the MCU can control the level of GND-CON to control the power supply of the lock cylinder MCU, PGND is connected to the negative pole of the battery, VCC is connected to the positive pole of the battery, and the power supply terminals of the lock cylinder MCU are respectively connected to VCC and GND, when the P4 button is not pressed, that is, the key is not inserted and the system is powered off, then GND-CON, the pin connected to the IO port of the microcontroller, is in a floating state, and the collector and emitter of N1 are not conducting , so that the collector and emitter of P1 are disconnected, and the collector and emitter of N3 are disconnected, so the battery ground PGND and the GND ground powered by the microcontroller are not connected, so no conductive loop is formed, and the system consumes very little power. Insert the key into the lock cylinder, then the P4 button in Figure 9 is pressed, GND and PGND are directly connected together, the microcontroller system is powered on, and the GND-CON pin of the microcontroller is controlled by the program to be high, then the N1 collector and The emitter is turned on, so that the collectors and emitters of P1 and N3 are turned on, that is, GND and PGND are turned on through the MCU controlling the GND-CON pin, and the MCU system can keep the system powered on. At the same time, when the key is pulled out, The lock cylinder MCU controls the GND-CON pin to be at low level, then the GND and PGND pins are disconnected, and the lock cylinder MCU U2 starts to power on and work only when the key is inserted, and the MCU has the function of controlling the power on and off of the system. The key is inserted into the lock cylinder, and the single-chip microcomputer U2 (using STM8S105 single-chip microcomputer) controls the system with a one-key switch to keep the GND-CON pin of the circuit at a high level to power on the system. Among them, F38KHZ is connected to pin 11 of single-chip microcomputer U2 to provide carrier wave for infrared emission tube LED1 (for example: TSAL6200 model), and TX-HW is connected to port 12 of single-chip microcomputer U2 to send data to LED1. The infrared receiving circuit on the key is shown in Figure 10. When the U3 microcontroller detects the infrared excitation code, it starts to realize the 433MHz radio frequency transmitting circuit module (for example: H34B-433) in Figure 13 by controlling U4 to send the key ID to the U1 wireless key shown in Figure 4. RF receiving module circuit (for example: H3V4F), U2 in Figure 2 receives the ID through U1 in Figure 4 and compares it with the ID in U2's internal storage. If they are consistent, it means that the key is matched. H-bridge motor drive circuit, the bridge end is connected to the positive and negative poles of the motor, P-M+ and P-M- are connected to the IO port of U2, IMotor is connected to the AD analog-to-digital conversion interface of U2 to measure the motor stall current, U2 controls P-M+ and P-M- These two pins realize the control of the motor. R14 is a small resistor. The current flowing on it and the divided voltage on it show whether the motor is working normally. If the rotor is locked, the current is large, and the voltage on R14 is also IMotor is connected to the AD interface of U2 to collect its voltage to know whether the motor is blocked, so it can be judged if the motor is blocked), if the teeth of the mechanical part are also verified at this time, the lock cylinder can be successfully opened, otherwise , if any item is not verified, the lock cylinder cannot be opened.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, some improvements and modifications can also be made, but these should also be regarded as the present invention. within the scope of protection of the invention.

Claims (1)

1. a kind of light encourages bluetooth ID intelligent and safe lock cores, it is characterised in that：Including cylinder side and key side；Cylinder side includes lock core Side master control system chip circuit, infrared transmitting circuit, 433MHz RF receiving circuits, motor drives and lock-rotor detection circuit, and one Key switch power supply holding circuit, voltage detection circuit, battery supplies electrical connection circuit and switch；Key side includes infrared receiver Circuit, Master control chip circuit, power circuit and radio frequency transmitter circuitry；

Described cylinder side master control system chip circuit includes single-chip microcomputer U2, the first nonpolar electric capacity C1, the second nonpolar C2, the One polar capacitor C3 and the 3rd nonpolar C4；Single-chip microcomputer U2 models STM8S105；

One end of 1 pin of described single-chip microcomputer U2 electric capacity C1 nonpolar with first is connected, the other end of the first nonpolar electric capacity C1 Meet GND；4 pin of single-chip microcomputer U2,10 pin meet GND, and one end of 5 pin C2 nonpolar with second is connected, and the second nonpolar C2's is another Termination GND；6 pin of single-chip microcomputer U2,7 pin, 9 pin are connected simultaneously with the positive pole of the first polar capacitor C3, one end of the 3rd nonpolar C4 The positive pole of battery P3 is connect, the negative pole of the first polar capacitor C3, the other end of the 3rd nonpolar C4 are connected and be grounded；Single-chip microcomputer U2's 2 pin, 3 pin, 8 pin, 14 pin, 17 pin, 18 pin, 19 pin, 20 pin, 21 pin, 23 pin, 25 pin, 26 pin, 29 pin, 30 pin, 31 pin, 32 pin It is built on stilts；

Infrared transmitting circuit includes first resistor R1, second resistance R4,3rd resistor R7, the 4th resistance R8, the 5th resistance R16, First triode P5, the second triode P8, the first infrared-emitting diode LED1, the first Schottky diode D1 and the second Xiao Te Based diode D3；

One end of described first resistor R1 is connected with the emitter stage of one end of second resistance R4, the first triode P5 and connects battery The positive pole of P3, the other end of first resistor R1 is connected simultaneously with the negative electrode of the second Schottky diode D3, one end of 3rd resistor R7 Connect one end, the moon of the first Schottky diode D1 of 12 pin of single-chip microcomputer U2, the other end of second resistance R4 and the 4th resistance R8 Pole connects and connects 11 pin of single-chip microcomputer U2；The anode of the anode of the first Schottky diode D1 and the second Schottky diode D3 connects GND；The other end of 3rd resistor R7 is connected with the base stage of the first triode P5, the colelctor electrode of the first triode P5 and the two or three pole The emitter stage connection of pipe P8, the base stage of the second triode P8 is connected with the other end of the 4th resistance R8, the collection of the second triode P8 Electrode is connected with one end of the 5th resistance R16, the anode of the other end of the 5th resistance R16 and the first infrared-emitting diode LED1 Connection, the negative electrode of the first infrared-emitting diode LED1 meets GND；

433MHz RF receiving circuits use H3V4F type 433MHz Receiver Modules；The 1 of described Receiver Module Pin connects the positive pole of battery P3, and 2 pin connect 13 pin of single-chip microcomputer U2, and 3 pin meet GND；

Cylinder side motor drives and lock-rotor detection circuit includes the 6th resistance R2, the 7th resistance R5, the 8th resistance R10, the 9th electricity Resistance R6, the tenth resistance R3, the 11st resistance R11, the 12nd resistance R14, the 13rd resistance R15, the first triode P6, the two or three Pole pipe P7, the 3rd triode N4, the 4th triode N5 and motor MOTOR；

The positive pole of the one termination battery P3 of the 6th described resistance R2, the other end of the 6th resistance R2 and the one of the 7th resistance R5 End, one end of the 8th resistance R10 connect and connect 28 pin of single-chip microcomputer U2, the other end of the 7th resistance R5 and the first triode P6's Base stage is connected, and the emitter stage of the first triode P6 is connected to the positive pole of battery P3, the colelctor electrode and motor of the first triode P6 The colelctor electrode connection of 2 pin, the 3rd triode N4 of MOTOR, the base stage of the 3rd triode N4 is connected to the 8th resistance R10 in addition One end, the emitter stage of the 3rd triode N4 and one end of the 12nd resistance R14, one end and the four or three pole of the 13rd resistance R15 The emitter stage connection of pipe N5, the other end of the 13rd resistance R15 is connected to 16 pin of single-chip microcomputer U2, the 12nd resistance R14's Other end is connected to GND, the colelctor electrode of the 4th triode N5 and 1 pin of motor MOTOR and the colelctor electrode of the second triode P7 Connection, the base stage of the 4th triode N5 is connected to one end of the 11st resistance R11, the other end and list of the 11st resistance R11 One end connection of 27 pins, one end of the tenth resistance R3 and the 9th resistance R6 of piece machine U2, the other end of the 9th resistance R6 connects The base stage of the second triode P7 is connected to, the other end of the tenth resistance R3 is connected to the positive pole of battery P3, the second triode P7's Emitter stage is connected to the positive pole of battery P3；

The key switch power supply holding circuit of cylinder side one includes the 14th resistance R13, the 15th resistance R19, the 16th resistance R9, the 17 resistance R18, the 18th resistance R20, the 3rd Schottky diode D2, the 5th triode N1, the 6th triode P1 and the 7th Triode N3；

Described one end of the 14th resistance R13 is connected with 22 pin of single-chip microcomputer U2, the other end and the tenth of the 14th resistance R13 The base stage connection of one end, the 5th triode N1 of five resistance R19, the other end of the 15th resistance R19 and the pole of the 3rd Schottky two The negative electrode of pipe D2 is connected and meets GND, and the anode of the 3rd Schottky diode D2 is connected with the emitter stage of the 5th triode N1, and the 5th The colelctor electrode of triode N1 is connected with one end of the 16th resistance R9, the other end of the 16th resistance R9 and the 6th triode P1's Base stage is connected, and the emitter stage of the 6th triode P1 is connected with the positive pole of battery P3, the colelctor electrode and the 17th of the 6th triode P1 One end of resistance R18, one end connection of the 18th resistance R20, the other end of the 17th resistance R18 and the base of the 7th triode N3 Pole connects, and the colelctor electrode of the 7th triode N3 connects GND, the emitter stage of the 7th triode N3 and the other end of the 18th resistance R20 Connect and connect PGND；

Cylinder side voltage detection circuit includes the resistance R23 of the first LED the 2, the 19th and the 20th resistance R24；

The anode of the first described LED 2 connects the positive pole of battery P3, the negative electrode of the first LED 2 and One end connection of one end, the 20th resistance R24 of 19 resistance R23, the other end of the 19th resistance R23 and the 24 of single-chip microcomputer U2 Pin is connected, and the other end of the 20th resistance R24 is connected with 15 pin of single-chip microcomputer U2；

Cylinder side battery connection circuitry includes 3 No. 8 battery P3 of section；The negative pole of battery P3 meets PGND, and the positive pole of battery P3 meets VCC；

Cylinder side switch is switch P4；The one termination PGND, another termination GND of switch P4；

Key side infrared receiving circuit includes HS0038 infrared receiving tubes U5；1 pin of infrared receiving tube U5 and 4 pin of single-chip microcomputer U3 Connection, 2 pin meet GND, and 3 pin are connected with 3 pin of single-chip microcomputer U3；

Key side Master control chip circuit includes single-chip microcomputer U3 and the 21st resistance R25, and the model of single-chip microcomputer U3 is MSP430G2001；One end of 21st resistance R25 is connected with 10 pin of single-chip microcomputer U3, the other end of the 21st resistance R25 It is connected with battery P9 positive poles；1 pin of single-chip microcomputer U3 connects battery P9 positive poles, and 14 pin meet GND；5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 11 Pin, 12 pin, 13 foot stools are empty；

Key side power circuit includes battery P9, and battery P9 models are CR2032；Battery P9 negative poles meet GND；

Key side radio frequency transmitter circuitry includes 433MHz transmitter module U4, and transmitter module U4 models are H34B-433；Described hair 1 pin for penetrating module U4 is connected with battery P9 positive poles, and 2 pin are connected with 2 pin of single-chip microcomputer U3, and 3 pin of single-chip microcomputer U3 meet GND.