Intelligent electric screwdriver control circuit with internet access communication function

Abstract

The utility model provides an intelligent electric screwdriver control circuit with an internet access communication function, which comprises a power supply, a voltage-stabilizing power supply circuit, an intelligent electric screwdriver main control circuit, a motor driving circuit, an internet access communication circuit, an RS232 communication circuit and an RS485 communication circuit, and is characterized in that the power supply is in power supply connection with the voltage-stabilizing power supply circuit and the motor driving circuit; the voltage stabilization power supply circuit is in power supply connection with the intelligent electric screwdriver main control circuit, the internet access communication circuit, the RS232 communication circuit and the RS485 communication circuit, the output end of the intelligent electric screwdriver main control circuit is connected with the input end of the motor driving circuit, and the output end of the motor driving circuit is in power supply connection with an intelligent electric screwdriver motor. The intelligent electric screwdriver main control circuit is in communication connection with an upper control device through the internet access communication circuit or the RS232 communication circuit or the RS485 communication circuit. The intelligent electric screwdriver has the beneficial effect that the communication rate between the intelligent electric screwdriver and the upper control equipment can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit technical field, concretely relates to a kind of intelligent electric screwdriver control circuit with network interface communication function. BACKGROUND

[0002] Intelligent electric screwdriver is electric screwdriver with data feedback and storage function.Intelligent electric screwdriver, in addition to general screwdriver accessories, also has built-in servo motor, and main function is to execute torque operation and feedback torque according to instruction.The biggest advantage of intelligent electric screwdriver is long service life, can set two different torques according to actual situation, different rotating speeds, can also bring torque display feedback, it can provide greater help for adjusting machine, make adjusting machine more convenient and flexible.At present, intelligent electric screwdriver on market has the following characteristics in addition to above-mentioned characteristics: speed, precision, data storage and statistics, convenient operation.Intelligent electric screwdriver control system can be integrated into network cloud system, complete data remote reading, analysis and operation, computer management software and HMI screen can carry out locking operation and monitoring, intelligent electric screwdriver control system torque control can realize high precision, error can be controlled within ±3%;The speed and torque of intelligent electric screwdriver control system locking process can be segmented controlled, different locking stages use different speed and torque, so as to achieve better locking effect;Intelligent electric screwdriver control system can record the locking result of each screw, make the working state of each screw traceable, can also real-time track screw locking torque value;Intelligent electric screwdriver is safe, environment-friendly and stable, the running process noise of intelligent electric screwdriver is small, and the applicability is high, can be suitable for various specifications of screw of M0.8-M5.0.

[0003] In prior art, intelligent electric screwdriver control system belongs to device end in application, and includes servo control algorithm of application motor and FOC algorithm, realizes torque control of intelligent electric screwdriver, and also has multiple interactive modes, to facilitate customer to set parameter, to realize accurate locking action;Existing intelligent electric screwdriver generally uses basic communication mode such as serial port RS232 or RS485 to communicate.But these basic communication modes, communication rate is often low, and the amount of data that can be interacted is limited, with the continuous rapid development of scientific and technological production, the control requirement of intelligent electric screwdriver is higher and higher, and the mode of using serial port RS232 or RS485 to control intelligent electric screwdriver has gradually been difficult to meet people's use demand. CONTENT OF UTILITY MODEL

[0004] In order to solve the problems in the prior art, the utility model provides a kind of intelligent electric screwdriver control circuit with network interface communication function, by being equipped with mutually coordinated power supply, voltage stabilizing power supply circuit, intelligent electric screwdriver main control circuit, motor drive circuit, network interface communication circuit, RS232 communication circuit and RS485 communication circuit in intelligent electric screwdriver control circuit with network interface communication function, in addition to serial port RS232 or RS485 basic communication, network interface communication circuit is additionally provided, can greatly improve the communication rate between intelligent electric screwdriver and upper control equipment, solve the problems of low communication rate of intelligent electric screwdriver in prior art, difficult to meet the use demand of people using serial port RS232 or RS485 basic communication mode.

[0005] The utility model provides a kind of intelligent electric screwdriver control circuit with network interface communication function, including power supply, voltage stabilizing power supply circuit, intelligent electric screwdriver main control circuit, motor drive circuit, network interface communication circuit, RS232 communication circuit and RS485 communication circuit, the output of power supply is connected with voltage stabilizing power supply circuit, motor drive circuit power supply, the output of voltage stabilizing power supply circuit is connected with intelligent electric screwdriver main control circuit, network interface communication circuit, RS232 communication circuit, RS485 communication circuit power supply, the output of intelligent electric screwdriver main control circuit is connected with the input of motor drive circuit, the output of motor drive circuit is connected with intelligent electric screwdriver motor power supply, the input of intelligent electric screwdriver main control circuit is also connected with touch screen, intelligent electric screwdriver main control circuit is connected with upper control equipment by network interface communication circuit or RS232 communication circuit or RS485 communication circuit, and intelligent electric screwdriver main control circuit can control the output power of intelligent electric screwdriver motor according to the trigger information of touch screen, the instruction information of upper control equipment.

[0006] The utility model makes further improvement, the main control chip U101 is equipped in intelligent electric screwdriver main control circuit, the main control chip U101 is equipped with 144 pins, the 17th, 30th, 39th, 52nd, 62nd, 72nd, 84th, 95th, 108th, 121st, 131st, 144th pin of main control chip U101 is connected with the output of voltage stabilizing power supply circuit, the 74th, 75th, 76th, 99th, 100th, 101st, 102nd pin of main control chip U101 is connected with the input of motor drive circuit, the 36th, 37th pin of main control chip U101 is connected with touch screen, the 28th, 29th, 117th, 140th pin of main control chip U101 is connected with network interface communication circuit, the 96th, 97th, 111th, 112th pin of main control chip U101 is connected with RS232 communication circuit, the 45th, 69th, 53rd pin of main control chip U101 is connected with RS485 communication circuit.

[0007] The utility model further improves, network port communication circuit inside is equipped with network port communication chip U1, network port communication chip U1 is equipped with 48 pins, the 4th, 8th, 11th, 15th, 17th, 21st pin of network port communication chip U1 is connected with the output terminal of voltage stabilizing power supply circuit, the 32nd, 33rd, 34th, 35th pin of network port communication chip U1 is connected with the 140th, 117th, 28th, 29th pin of main control chip U101 respectively, the 1st, 2nd, 5th, 6th pin of network port communication chip U1 is connected with the communication of upper control equipment.

[0008] The utility model further improves, RS232 communication circuit inside is equipped with RS232 chip U5, RS232 chip U5 is equipped with 16 pins, the 16th pin of RS232 chip U5 is connected with the output terminal of voltage stabilizing power supply circuit, the 9th, 10th, 11th, 12th pin of RS232 chip U5 is connected with the 112th, 111th, 96th, 97th pin of main control chip U101 respectively, the 13th, 14th pin of RS232 chip U5 is connected with the communication of upper control equipment.

[0009] The utility model further improves, RS485 communication circuit inside is equipped with RS485 chip U7, RS485 chip U7 is equipped with 8 pins, the 8th pin of RS485 chip U7 is connected with the output terminal of voltage stabilizing power supply circuit, the 1st, 3rd, 4th pin of RS485 chip U7 is connected with the 45th, 53rd, 69th pin of main control chip U101 respectively, the 6th, 7th pin of RS485 chip U7 is connected with the communication of upper control equipment.

[0010] The utility model discloses further improve, motor drive circuit inside be equipped with motor drive chip U10, field effect tube MOS1, field effect tube MOS2, field effect tube MOS3, field effect tube MOS4, field effect tube MOS5 and field effect tube MOS6, wherein, motor drive chip U10 is equipped with 28 pins, the 1st pin of motor drive chip U10 is linked with the output end of voltage stabilizing power supply circuit, the 2nd, 3rd, 4th, 5th, 6th, 7th, 8th pin of motor drive chip U10 is linked with the 100th, 101th, 102th, 74th, 75th, 76th, 99th pin of main control chip U101 respectively, the 27th pin of motor drive chip U10 is linked with the grid of field effect tube MOS1, the drain of field effect tube MOS1 is linked with the output end of power supply, the source of field effect tube MOS1 is linked with the 26th pin of motor drive chip U10, the drain of field effect tube MOS2, intelligent electric screwdriver motor, the grid of field effect tube MOS2 is linked with the 16th pin of motor drive chip U10, the 23rd pin of motor drive chip U10 is linked with the grid of field effect tube MOS3, the drain of field effect tube MOS3 is linked with the output end of power supply, the source of field effect tube MOS3 is linked with the 22nd pin of motor drive chip U10, the drain of field effect tube MOS4, intelligent electric screwdriver motor, the grid of field effect tube MOS4 is linked with the 15th pin of motor drive chip U10, the 19th pin of motor drive chip U10 is linked with the grid of field effect tube MOS5, the drain of field effect tube MOS5 is linked with the output end of power supply, the source of field effect tube MOS5 is linked with the 18th pin of motor drive chip U10, the drain of field effect tube MOS6, intelligent electric screwdriver motor, the grid of field effect tube MOS6 is linked with the 14th pin of motor drive chip U10.

[0011] The utility model disc further improve, the steady voltage supply circuit is equipped with steady voltage chip LM1, steady voltage chip LM3, steady voltage chip U903 and insurance resistance F2, steady voltage chip LM1 is equipped with 5 pins, steady voltage chip LM3 is equipped with 5 pins, steady voltage chip U903 is equipped with 4 pins, the 1st pin of steady voltage chip LM1 is connected with the output end of power supply, the 4th pin of steady voltage chip LM1 is connected with one end of insurance resistance F2, the other end of insurance resistance F2 is connected with the 1st pin of steady voltage chip LM3, the 1st pin of motor drive chip U10, the 4th pin of steady voltage chip LM3 is connected with the 3rd pin of steady voltage chip U903, the 8th pin of RS485 chip U7, the 2nd pin of steady voltage chip U903 is connected with the 16th pin of RS232 chip U5, the 4th, 8th, 11th, 15th, 17th, 21st pin of network mouth communication chip U1, the 17th, 30th, 39th, 52nd, 62nd, 72nd, 84th, 95th, 108th, 121st, 131st, 144th pin of main control chip U101 power supply connection.

[0012] The utility model disc further improve, the model number of main control chip U101 is STM32F446ZET6, the model number of network mouth communication chip U1 is W5500, the model number of motor drive chip U10 is IR2136STRPBF.

[0013] The utility model disc further improve, the model number of RS232 chip U5 is MAX3232, the model number of RS485 chip U7 is SN75176BDR.

[0014] The utility model disc further improve, the power supply is 48V constant voltage power supply, the model number of steady voltage chip LM1 is LM2576HVR-ADJ, the model number of steady voltage chip LM3 is LM2596S-5.0 / TR, the model number of steady voltage chip U903 is AMS1117-3.3.

[0015] Compared with the prior art, the utility model has the advantages that: provide a kind of intelligent electric screwdriver control circuit with network port communication function, by being arranged in the intelligent electric screwdriver control circuit with network port communication function the power supply of mutual cooperation, voltage stabilizing power supply circuit, intelligent electric screwdriver main control circuit, motor drive circuit, network port communication circuit, RS232 communication circuit and RS485 communication circuit, intelligent electric screwdriver main control circuit can be according to the trigger information of touch screen, the instruction information of upper control equipment control motor drive circuit to the output power of intelligent electric screwdriver motor, in addition to serial port RS232 or RS485 basic communication, additionally network port communication circuit has been added, can greatly improve the communication rate between intelligent electric screwdriver and upper control equipment, network port communication circuit uses TCP / IP network port communication, with the communication rate of highest 100MHz, can realize faster data interaction, to provide basic conditions for the upper control equipment to realize more abundant software control function, solve the problem that intelligent electric screwdriver in prior art uses serial port RS232 or RS485 basic communication mode communication rate is low, difficult to meet people's use demand. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the scheme of the utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0017] Figure 1 It is the principle block diagram of the utility model's a kind of intelligent electric screwdriver control circuit with network port communication function;

[0018] Figure 2 It is the circuit diagram of the utility model's intelligent electric screwdriver main control circuit;

[0019] Figure 3 It is the circuit diagram of the utility model's network port communication circuit;

[0020] Figure 4 It is the circuit diagram of the utility model's RS232 communication circuit;

[0021] Figure 5 It is the circuit diagram of the utility model's RS485 communication circuit;

[0022] Figure 6 It is the circuit diagram of the utility model's motor drive circuit;

[0023] Figure 7 It is the circuit diagram of the utility model's voltage stabilizing power supply circuit. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the specification herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application is well suited to carry out various embodiments as broadly described herein and the above specification provides sufficient direction to others skilled in the art to perform various embodiments of the application. The terms of degree such as "comprising," "having," "containing," or "including," and variations thereof, are intended to cover a non-exclusive inclusion. The terms "consisting of" and "consisting essentially of" and variations thereof are intended to cover a complete listing of the specified components. The term "first," "second," and the like, used in the specification and in the claims are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

[0025] 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 application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0026] In order to make the technical personnel of the present application better understand the application scheme, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings.

[0027] As Figures 1-7The utility model provides a kind of intelligent electric screwdriver control circuit with network port communication function, including power supply, voltage stabilizing power supply circuit, intelligent electric screwdriver main control circuit, motor drive circuit, network port communication circuit, RS232 communication circuit and RS485 communication circuit, the output of power supply is connected with voltage stabilizing power supply circuit, motor drive circuit power supply, the output of voltage stabilizing power supply circuit is connected with intelligent electric screwdriver main control circuit, network port communication circuit, RS232 communication circuit, RS485 communication circuit power supply, the output of intelligent electric screwdriver main control circuit is connected with the input of motor drive circuit, the output of motor drive circuit is connected with intelligent electric screwdriver motor power supply, the input of intelligent electric screwdriver main control circuit is additionally connected with touch screen, and intelligent electric screwdriver main control circuit is connected with upper control device by network port communication circuit or RS232 communication circuit or RS485 communication circuit, and power supply is 48V constant voltage power supply.In the embodiment, intelligent electric screwdriver main control circuit can control the output power of intelligent electric screwdriver motor according to the trigger information of touch screen and the instruction information of upper control device, in addition to serial port RS232 or RS485 basic communication, network port communication circuit is additionally provided, and the communication rate between intelligent electric screwdriver and upper control device can be greatly improved, network port communication circuit uses TCP / IP network port communication, has the highest 100MHz communication rate, and faster data interaction can be realized, to provide basic conditions for realizing more abundant software control function of upper control device.

[0028] As Figure 2 As shown, main control chip U101 is arranged in intelligent electric screwdriver main control circuit, the model of main control chip U101 is STM32F446ZET6, main control chip U101 is equipped with 144 pins, the 17th, 30th, 39th, 52nd, 62nd, 72nd, 84th, 95th, 108th, 121st, 131st and 144th pins of main control chip U101 are connected with the output of voltage stabilizing power supply circuit, the 74th, 75th, 76th, 99th, 100th, 101st and 102nd pins of main control chip U101 are connected with the input of motor drive circuit, the 36th and 37th pins of main control chip U101 are connected with touch screen, the 28th, 29th, 117th and 140th pins of main control chip U101 are connected with network port communication circuit, the 96th, 97th, 111th and 112th pins of main control chip U101 are connected with RS232 communication circuit, and the 45th, 69th and 53rd pins of main control chip U101 are connected with RS485 communication circuit.In the embodiment, intelligent electric screwdriver main control circuit is used to control the output power of intelligent electric screwdriver motor according to the trigger information of touch screen and the instruction information of upper control device.

[0029] As Figure 3As shown, the network communication circuit includes a network communication chip U1, model W5500, with 48 pins. Pins 4, 8, 11, 15, 17, and 21 of the network communication chip U1 are connected to the output of the voltage regulator circuit. Pins 32, 33, 34, and 35 of the network communication chip U1 are connected to pins 140, 117, 28, and 29 of the main control chip U101, respectively. Pins 1, 2, 5, and 6 of the network communication chip U1 are connected to the upper-level control device for communication. In this embodiment, the network communication circuit is used for communication between the main control circuit of the intelligent electric screwdriver and the upper-level control device.

[0030] like Figure 4 As shown, the RS232 communication circuit includes an RS232 chip U5, model MAX3232, with 16 pins. Pin 16 of the RS232 chip U5 is connected to the output of the voltage regulator circuit. Pins 9, 10, 11, and 12 of the RS232 chip U5 are connected to pins 112, 111, 96, and 97 of the main control chip U101, respectively. Pins 13 and 14 of the RS232 chip U5 are connected to the host control device for communication. In this embodiment, the RS232 communication circuit is used for communication between the main control circuit of the smart electric screwdriver and the host control device.

[0031] like Figure 5 As shown, the RS485 communication circuit includes an RS485 chip U7, model number SN75176BDR. The RS485 chip U7 has eight pins. Pin 8 is connected to the output of the voltage regulator circuit. Pins 1, 3, and 4 are connected to pins 45, 53, and 69 of the main control chip U101, respectively. Pins 6 and 7 are connected to the host control device for communication. In this embodiment, the RS485 communication circuit is used for communication between the main control circuit of the intelligent electric screwdriver and the host control device.

[0032] like Figure 6As shown, the motor driving circuit is provided with a motor driving chip U10, a field effect tube MOS1, a field effect tube MOS2, a field effect tube MOS3, a field effect tube MOS4, a field effect tube MOS5 and a field effect tube MOS6. The model of the motor driving chip U10 is IR2136STRPBF. The motor driving chip U10 is provided with 28 pins. The first pin of the motor driving chip U10 is connected with the output end of the voltage stabilizing power supply circuit. The second, third, fourth, fifth, sixth, seventh and eighth pins of the motor driving chip U10 are connected with the 100th, 101th, 102th, 74th, 75th, 76th and 99th pins of the main control chip U101 respectively. The 27th pin of the motor driving chip U10 is connected with the gate of the field effect tube MOS1. The drain of the field effect tube MOS1 is connected with the output end of the power supply. The source of the field effect tube MOS1 is connected with the 26th pin of the motor driving chip U10, the drain of the field effect tube MOS2 and the motor of the intelligent electric screwdriver. The gate of the field effect tube MOS2 is connected with the 16th pin of the motor driving chip U10. The 23rd pin of the motor driving chip U10 is connected with the gate of the field effect tube MOS3. The drain of the field effect tube MOS3 is connected with the output end of the power supply. The source of the field effect tube MOS3 is connected with the 22nd pin of the motor driving chip U10, the drain of the field effect tube MOS4 and the motor of the intelligent electric screwdriver. The gate of the field effect tube MOS4 is connected with the 15th pin of the motor driving chip U10. The 19th pin of the motor driving chip U10 is connected with the gate of the field effect tube MOS5. The drain of the field effect tube MOS5 is connected with the output end of the power supply. The source of the field effect tube MOS5 is connected with the 18th pin of the motor driving chip U10, the drain of the field effect tube MOS6 and the motor of the intelligent electric screwdriver. The gate of the field effect tube MOS6 is connected with the 14th pin of the motor driving chip U10. In the embodiment, the motor driving circuit is used to control the output power of the motor of the intelligent electric screwdriver according to the control instruction of the main control circuit of the intelligent electric screwdriver.

[0033] As Figure 7As shown, the voltage stabilizing power supply circuit is provided with voltage stabilizing chip LM1, voltage stabilizing chip LM3, voltage stabilizing chip U903 and fuse resistor F2, the model of the voltage stabilizing chip LM1 is LM2576HVR-ADJ, the model of the voltage stabilizing chip LM3 is LM2596S-5.0 / TR, the model of the voltage stabilizing chip U903 is AMS1117-3.3, the voltage stabilizing chip LM1 is provided with five pins, the voltage stabilizing chip LM3 is provided with five pins, the voltage stabilizing chip U903 is provided with four pins, the first pin of the voltage stabilizing chip LM1 is connected with the output end of the power supply, the fourth pin of the voltage stabilizing chip LM1 is connected with one end of the fuse resistor F2, the other end of the fuse resistor F2 is connected with the first pin of the motor driving chip U10, the fourth pin of the voltage stabilizing chip LM3 is connected with the third pin of the voltage stabilizing chip U903 and the eighth pin of the RS485 chip U7, the second pin of the voltage stabilizing chip U903 is connected with the sixteenth pin of the RS232 chip U5, the fourth, eighth, eleventh, fifteenth, seventeenth and twenty-first pins of the network communication chip U1 and the seventeenth, thirtieth, thirty-ninth, fifty-second, sixty-second, seventy-second, eighty-fourth, ninety-fifth, one hundred and eighth, one hundred and twenty-first, one hundred and thirty-first and one hundred and forty-four pins of the main control chip U101 for power supply connection. In the embodiment, the voltage stabilizing power supply circuit is used for supplying power for the intelligent electric screwdriver main control circuit, the network communication circuit, the RS232 communication circuit and the RS485 communication circuit.

[0034] As can be seen from the above, the utility model provides a kind of intelligent electric screwdriver control circuit with network communication function, by being provided with mutually coordinated power supply, voltage stabilizing power supply circuit, intelligent electric screwdriver main control circuit, motor drive circuit, network communication circuit, RS232 communication circuit and RS485 communication circuit in intelligent electric screwdriver control circuit with network communication function, intelligent electric screwdriver main control circuit can control the output power of intelligent electric screwdriver motor according to the trigger information of touch screen and the instruction information of upper control device, in addition to serial port RS232 or RS485 basic communication, network communication circuit is additionally provided, can greatly improve the communication rate between intelligent electric screwdriver and upper control device, network communication circuit uses TCP / IP network communication, with the highest 100MHz communication rate, can realize faster data interaction, to provide basic conditions for upper control device to realize more abundant software control function, solve the problem of low communication rate of intelligent electric screwdriver in prior art, difficult to meet people's use demand using serial port RS232 or RS485 basic communication mode.

[0035] The above-described specific embodiments are preferred embodiments of the utility model, and do not limit the specific implementation range of the utility model, and the range of the utility model includes but is not limited to the specific embodiments, and equivalent changes made according to the utility model are within the protection range of the utility model.

Claims

1. A smart screwdriver control circuit with web portal communication function, characterized in that: The power supply, the voltage stabilizing power supply circuit, the intelligent electric screwdriver main control circuit, the motor driving circuit, the network communication circuit, the RS232 communication circuit and the RS485 communication circuit are connected with each other, the output end of the power supply is connected with the voltage stabilizing power supply circuit and the motor driving circuit, the output end of the voltage stabilizing power supply circuit is connected with the intelligent electric screwdriver main control circuit, the network communication circuit, the RS232 communication circuit and the RS485 communication circuit, the output end of the intelligent electric screwdriver main control circuit is connected with the input end of the motor driving circuit, the output end of the motor driving circuit is connected with the intelligent electric screwdriver motor, the input end of the intelligent electric screwdriver main control circuit is also connected with the touch screen, the intelligent electric screwdriver main control circuit is connected with the upper control device through the network communication circuit, the RS232 communication circuit or the RS485 communication circuit, and the intelligent electric screwdriver main control circuit can control the output power of the intelligent electric screwdriver motor according to the trigger information of the touch screen and the instruction information of the upper control device.

2. The smart screwdriver control circuit with web portal communication functionality of claim 1, wherein: The main control chip U101 is arranged in the intelligent electric screwdriver main control circuit, the main control chip U101 is provided with 144 pins, the 17th pin, the 30th pin, the 39th pin, the 52nd pin, the 62nd pin, the 72nd pin, the 84th pin, the 95th pin, the 108th pin, the 121st pin, the 131st pin and the 144th pin of the main control chip U101 are connected with the output end of the voltage stabilizing power supply circuit, the 74th pin, the 75th pin, the 76th pin, the 99th pin, the 100th pin, the 101st pin and the 102nd pin of the main control chip U101 are connected with the input end of the motor driving circuit, the 36th pin and the 37th pin of the main control chip U101 are connected with the touch screen, the 28th pin, the 29th pin, the 117th pin and the 140th pin of the main control chip U101 are connected with the network communication circuit, the 96th pin, the 97th pin, the 111th pin and the 112th pin of the main control chip U101 are connected with the RS232 communication circuit, and the 45th pin, the 69th pin and the 53rd pin of the main control chip U101 are connected with the RS485 communication circuit.

3. The smart screwdriver control circuit with web portal communication functionality of claim 2, wherein: The network communication chip U1 is arranged in the network communication circuit, the network communication chip U1 is provided with 48 pins, the 4th pin, the 8th pin, the 11th pin, the 15th pin, the 17th pin and the 21st pin of the network communication chip U1 are connected with the output end of the voltage stabilizing power supply circuit, the 32nd pin, the 33rd pin, the 34th pin and the 35th pin of the network communication chip U1 are connected with the 140th pin, the 117th pin, the 28th pin and the 29th pin of the main control chip U101 respectively, and the 1st pin, the 2nd pin, the 5th pin and the 6th pin of the network communication chip U1 are connected with the upper control device.

4. The smart screwdriver control circuit with web portal communication functionality of claim 3, wherein: The RS232 communication circuit is internally provided with an RS232 chip U5, the RS232 chip U5 is provided with 16 pins, the 16th pin of the RS232 chip U5 is connected with the output end of the voltage stabilizing power supply circuit, the 9th, 10th, 11th and 12th pins of the RS232 chip U5 are respectively connected with the 112th, 111th, 96th and 97th pins of the main control chip U101, and the 13th and 14th pins of the RS232 chip U5 are in communication connection with the upper control equipment.

5. The smart screwdriver control circuit with web portal communication functionality of claim 4, wherein: The RS485 communication circuit is internally provided with an RS485 chip U7, the RS485 chip U7 is provided with 8 pins, the 8th pin of the RS485 chip U7 is connected with the output end of the voltage stabilizing power supply circuit, the 1st, 3rd and 4th pins of the RS485 chip U7 are respectively connected with the 45th, 53rd and 69th pins of the main control chip U101, and the 6th and 7th pins of the RS485 chip U7 are in communication connection with the upper control equipment.

6. The smart screwdriver control circuit with web portal communication functionality of claim 5, wherein: The motor driving circuit is internally provided with a motor driving chip U10, field effect tubes MOS1, MOS2, MOS3, MOS4, MOS5 and MOS6, wherein the motor driving chip U10 is provided with 28 pins, the 1st pin of the motor driving chip U10 is connected with the output end of the voltage stabilizing power supply circuit, the 2nd, 3rd, 4th, 5th, 6th, 7th and 8th pins of the motor driving chip U10 are respectively connected with the 100th, 101th, 102th, 74th, 75th, 76th and 99th pins of the main control chip U101, the 27th pin of the motor driving chip U10 is connected with the gate of the field effect tube MOS1, the drain of the field effect tube MOS1 is connected with the output end of the power supply, the source of the field effect tube MOS1 is connected with the 26th pin of the motor driving chip U10, the drain of the field effect tube MOS2 and the intelligent electric screwdriver motor, the gate of the field effect tube MOS2 is connected with the 16th pin of the motor driving chip U10, the 23rd pin of the motor driving chip U10 is connected with the gate of the field effect tube MOS3, the drain of the field effect tube MOS3 is connected with the output end of the power supply, the source of the field effect tube MOS3 is connected with the 22th pin of the motor driving chip U10, the drain of the field effect tube MOS4 and the intelligent electric screwdriver motor, the gate of the field effect tube MOS4 is connected with the 15th pin of the motor driving chip U10, the 19th pin of the motor driving chip U10 is connected with the gate of the field effect tube MOS5, the drain of the field effect tube MOS5 is connected with the output end of the power supply, the source of the field effect tube MOS5 is connected with the 18th pin of the motor driving chip U10, the drain of the field effect tube MOS6 and the intelligent electric screwdriver motor, and the gate of the field effect tube MOS6 is connected with the 14th pin of the motor driving chip U10.

7. The smart screwdriver control circuit with web portal communication functionality of claim 6, wherein: The voltage stabilizing power supply circuit is internally provided with voltage stabilizing chip LM1, voltage stabilizing chip LM3, voltage stabilizing chip U903 and fuse resistor F2, the voltage stabilizing chip LM1 is provided with five pins, the voltage stabilizing chip LM3 is provided with five pins, the voltage stabilizing chip U903 is provided with four pins, the first pin of the voltage stabilizing chip LM1 is connected with the output end of the power supply, the fourth pin of the voltage stabilizing chip LM1 is connected with one end of the fuse resistor F2, the other end of the fuse resistor F2 is connected with the first pin of the voltage stabilizing chip LM3 and the first pin of the motor driving chip U10, the fourth pin of the voltage stabilizing chip LM3 is connected with the third pin of the voltage stabilizing chip U903 and the eighth pin of the RS485 chip U7, the second pin of the voltage stabilizing chip U903 is connected with the 16th pin of the RS232 chip U5, the fourth, eighth, 11th, 15th, 17th, 21st pins of the network port communication chip U1 and the 17th, 30th, 39th, 52nd, 62nd, 72nd, 84th, 95th, 108th, 121st, 131st, 144th pins of the main control chip U101.

8. The smart screwdriver control circuit with web portal communication functionality of claim 7, wherein: The model of the main control chip U101 is STM32F446ZET6, the model of the network port communication chip U1 is W5500, and the model of the motor driving chip U10 is IR2136STRPBF.

9. The smart screwdriver control circuit having web portal communication functionality of claim 8, wherein: The model of the RS232 chip U5 is MAX3232, and the model of the RS485 chip U7 is SN75176BDR.

10. The smart screwdriver control circuit having web portal communication functionality of claim 9, wherein: The power supply is a 48V constant voltage power supply, the model of the voltage stabilizing chip LM1 is LM2576HVR-ADJ, the model of the voltage stabilizing chip LM3 is LM2596S-5.0 / TR, and the model of the voltage stabilizing chip U903 is AMS1117-3.3.

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