A multifunctional powder equipment monitoring and control system

Abstract

The present invention relates to the field of powder equipment monitoring technology, and in particular to a multifunctional powder equipment monitoring and control system, comprising a voltage module, a relay output module, a serial input and parallel output module, a rotary encoder module, a main control module and an isolation module, wherein the voltage module is used to reduce the voltage of an external power supply and provide a low-voltage power supply to the serial input and parallel output module, the main control module and the isolation module; the main control module is used to receive external instructions to generate instruction signals, and transmit the instruction signals to the relay output module through the isolation module, while monitoring the operating status of other modules; the rotary encoder module is connected to the main control module, the rotary encoder module generates a speed regulation instruction and feeds it back to the main control module, and the relay output module provides or disconnects power to a power component of the powder equipment according to the instruction signal. In the present invention, a single-chip microcomputer is used to cooperate with the isolation module, the serial input and parallel output module and the relay output module to control the powder equipment, thereby simplifying the control process.

Description

Technical Field

[0001] The present invention relates to the technical field of powder equipment monitoring, and in particular to a multifunctional powder equipment monitoring and control system. Background Art

[0002] At present, most powder equipment is controlled by PLC. In some systems, such as fully automatic bag opening stations and small negative pressure feeding systems, the control logic of PLC is simple, and its control panel is generally composed of buttons and indicator lights. The operation mode of the equipment cannot be changed through the control panel: such as the number of pulse valve startups, closing delays, working hours and intervals. When the operator needs to adjust the control parameters inside the equipment, the PLC program needs to be modified, which places relatively high technical requirements on the operator. Ordinary operators may not be able to adjust the control parameters inside the equipment alone, and the adjustment process is not convenient enough, which may have a certain degree of adverse impact on production. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a multifunctional powder equipment monitoring and control system.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A multifunctional powder equipment monitoring and control system comprises a voltage module, a relay output module, a serial input and parallel output module, a rotary encoder module, a main control module and an isolation module, wherein the voltage module is used to reduce the voltage of an external power supply and provide a low-voltage power supply to the serial input and parallel output module, the main control module and the isolation module; the main control module is used to receive external instructions to generate instruction signals, and transmit the instruction signals to the relay output module through the isolation module, while monitoring the operating status of other modules; the rotary encoder module is connected to the main control module, the rotary encoder module generates a speed regulation instruction and feeds it back to the main control module; the relay output module provides or disconnects power to the power components of the powder equipment according to the instruction signal; the serial input and parallel output module is used to convert the serial port signal of the main control module into a parallel signal and send it to the isolation module.

[0006] Preferably, the voltage module includes a 3.3V voltage module and a 5V voltage module, the 3.3V voltage module includes a power supply and a buck chip U1, the power supply is connected to the voltage input end of the buck chip U1, the voltage output end of the buck chip U1 outputs a 3.3V voltage, the voltage input end of the buck chip U1 is grounded through a first capacitor C1, the voltage output end of the buck chip U1 is grounded through a second capacitor C2, the first resistor R1 and the first light-emitting diode LED1 are connected at both ends of the second capacitor C2, and the ground end of the buck chip U1 is grounded; the voltage module and 5V include a power supply and a buck chip U2, the power supply is connected to the voltage input end of the buck chip U2, the voltage output end of the buck chip U2 outputs a 5V voltage, the voltage input end of the buck chip U2 is grounded through a third capacitor C3, the voltage output end of the buck chip U2 is grounded through a fourth capacitor C4, the second resistor R2 and the second light-emitting diode LED2 are connected at both ends of the fourth capacitor C4, and the ground end of the buck chip U2 is grounded.

[0007] Preferably, the main control module includes a single-chip microcomputer U16 and a display screen OLED1, a 3.3V power supply is connected to pin 2 of the single-chip microcomputer U16, pin 3 of the single-chip microcomputer U16 is grounded through a tenth capacitor C10, a thirty-eighth resistor R38 is connected between pin 2 of the single-chip microcomputer U16 and pin 3 of the single-chip microcomputer U16, pin 7 of the single-chip microcomputer U16 is connected to the detection module, pins 13, 14 and 17 of the single-chip microcomputer U16 are connected to the rotary encoder module, pin 24 of the single-chip microcomputer U16 is grounded through a seventy-second resistor R72, and pin 25 of the single-chip microcomputer U16 is grounded through a seventy-first resistor R71 is connected to a 3.3V power supply, and pin 25 of the single-chip computer U16 is connected in series with pin 24 of the single-chip computer U16 through the seventieth resistor R70 and the second switch SW2, pins 34 and 35 of the single-chip computer U16 are connected to the Bluetooth module, pin 33 of the single-chip computer U16 is connected to pin 4 of the display screen OLED1, pin 36 of the single-chip computer U16 is connected to pin 3 of the display screen OLED1, pins 1, 15, 38 and 39 of the single-chip computer U16 are grounded, pin 1 of the display screen OLED1 is grounded, and the 3.3V power supply is connected to pin 2 of the display screen OLED1.

[0008] Preferably, the Bluetooth module includes a Bluetooth chip U17, wherein pin 1 of the Bluetooth chip U17 is grounded, pin 2 of the Bluetooth chip U17 is connected to pin 34 of the single-chip computer U16 through a thirty-fifth resistor R35, pin 3 of the Bluetooth chip U17 is connected to pin 35 of the single-chip computer U16 through a thirty-sixth resistor R36, a 3.3V power supply is connected between the thirty-sixth resistor R36 and pin 35 of the single-chip computer U16 through a thirty-seventh resistor R37 and a fifteenth light-emitting diode LED15, and pin 4 of the Bluetooth chip U17 is connected to pin 36 of the single-chip computer U16 through a thirty-sixth resistor R36. The eight capacitors C8 are grounded, the 13th pin of the Bluetooth chip U17 is connected to the base of the transistor eleven Q11 through the seventy-fourth resistor R74, the emitter of the transistor eleven Q11 is connected to the 14th pin of the Bluetooth chip U17, the 14th pin of the Bluetooth chip U17 is connected to the base of the transistor ten Q10 through the seventy-third resistor R73, the emitter of the transistor ten Q10 is connected to the 13th pin of the Bluetooth chip U17, the 16th pin of the Bluetooth chip U17 is connected to the 5V power supply, and the 16th pin of the Bluetooth chip U17 is grounded through the ninth capacitor C9.

[0009] Preferably, the serial-in-parallel-output module includes a serial-in-parallel-output chip U3, a 5V power supply is connected to pins 10 and 16 of the serial-in-parallel-output chip U3, pins 8 and 13 of the serial-in-parallel-output chip U3 are grounded, pins 11, 12, and 14 of the serial-in-parallel-output chip U3 are sequentially connected to pins 27, 28, and 30 of the single-chip computer U16, and pins 1-7 and 15 of the serial-in-parallel-output chip U3 are connected to the isolation module.

[0010] Preferably, the isolation module includes an isolation chip, and the isolation chip includes a first isolation chip U4, a second isolation chip U5, a third isolation chip U6, a fourth isolation chip U7, a fifth isolation chip U8, a sixth isolation chip U9, a seventh isolation chip U10, and an eighth isolation chip U11. A 3.3V power supply is connected to pin 4 of the isolation chip, pin 1 of the isolation chip is connected to the serial input and output chip U3 through an isolation chip resistor, pin 2 of the isolation chip is grounded after passing through an isolation chip light-emitting diode, and pin 3 of the isolation chip is connected to the relay output module.

[0011] Preferably, the relay output module includes relays, and the relays include a first relay K1, a second relay K2, a third relay K3, a fourth relay K4, a fifth relay K5, a sixth relay K6, a seventh relay K7 and an eighth relay K8. A 24V power supply is connected to one end of the relay output circuit, and the other end of the relay input circuit is connected to the collector of the relay transistor. A relay diode is connected between the relay input circuits. The base of the relay transistor is connected to pin 3 of the isolation chip through a relay resistor 1, and the base of the relay transistor is grounded through a relay resistor 2. The emitter of the transistor is grounded, wherein one end of the output circuit of the first relay K1 is a dry contact input point, and one end of the output circuit of the second relay K2, the third relay K3, the fourth relay K4, the fifth relay K5, the sixth relay K6, the seventh relay K7 and the eighth relay K8 is connected to a 24V power supply; the other end of the output circuit of the first relay K1 is a dry contact output point, and the other end of the output circuit of the second relay K2, the third relay K3, the fourth relay K4, the fifth relay K5, the sixth relay K6, the seventh relay K7 and the eighth relay K8 supplies power to the power component.

[0012] Preferably, the rotary encoder module includes a rotary encoder SW1, a 3.3V power supply is connected to the A pin of the rotary encoder SW1 through a thirty-third resistor R33, the A pin of the rotary encoder SW1 is grounded through a sixth capacitor C6, the A pin of the rotary encoder SW1 is connected to the 14 pin of the single-chip computer U16, the 3.3V power supply is connected to the B pin of the rotary encoder SW1 through a thirty-second resistor R32, the B pin of the rotary encoder SW1 is grounded through a fifth capacitor C5, the B pin of the rotary encoder SW1 is connected to the 16 pin of the single-chip computer U16, the 3.3V power supply is connected to the E pin of the rotary encoder SW1 through a thirty-fourth resistor R34, the E pin of the rotary encoder SW1 is grounded through a seventh capacitor C7, the E pin of the rotary encoder SW1 is connected to the 13 pin of the single-chip computer U16, and the C pin, D pin, 6 pin and 7 pin of the rotary encoder SW1 are grounded.

[0013] Preferably, it also includes a detection module, which includes a detection chip U18, a 3.3V power supply is connected to pin 3 of the detection chip U18, pins 4, 5, 6, 7, 8, 9, 10, and 11 of the detection chip U18 are connected to the detection, pin 12 of the detection chip U18 is grounded, the 3.3V power supply is connected to the collector of the transistor nine Q9 through the sixty-second resistor R62, the sixty-second resistor R62 and the collector of the transistor nine Q9 are connected to pin 7 of the single-chip computer U16, the emitter of the transistor nine Q9 is grounded, the 5V power supply is connected to the anodes of the diode eighteen D18, the diode nineteen D19, and the diode twenty-two D22, the cathode of the diode eighteen D18 is connected in parallel with the anodes of the diode fifteen D15, the diode sixteen D16, and the diode seventeen D17 respectively. The two ends of the diode D18 are connected in series, the sixtieth resistor R60 and the sixteenth light-emitting diode LED16 are connected in series, the anode of the detection phase V1 is connected to the cathode of the diode D15 through the diode D12 and the fifty-seventh resistor R57, the anode of the detection phase V2 is connected to the cathode of the diode D16 through the diode D13 and the fifty-eighth resistor R57, the anode of the detection phase V3 is connected to the cathode of the diode D17 through the diode D14 and the fifty-ninth resistor R59, the cathode of the diode D19 is connected to the base of the transistor Q9 through the sixty-first resistor R61, the cathode of the diode D22 is connected to the 13th pin of the detection chip U18, and the sixty-ninth resistor R69 and the seventeenth light-emitting diode LED17 are connected in series at both ends of the diode D22.

[0014] The beneficial effects of the present invention are:

[0015] 1. In the present invention, a single chip microcomputer is used in conjunction with an isolation module, a serial input and parallel output module, and a relay output module to control the powder equipment, which simplifies the control process. Ordinary operators can adjust the operating parameters of the equipment on site, with low technical difficulty and convenient and fast adjustment process.

[0016] 2. The control mode of the main control module can be selected by rotating the encoder module. The appropriate control mode can be selected according to different products or production requirements, which further improves the usability of the device.

[0017] 3. The control system has a built-in detection module that compares the input voltage and phase sequence through the LM239 chip, and displays the current status through the indicator light. When a phase loss or phase sequence error occurs, the system cannot start normally and starts to alarm, thereby protecting the normal operation of power equipment such as fans. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A circuit diagram of a main control module of a multifunctional powder equipment monitoring and control system proposed by the present invention;

[0019] Figure 2 A circuit diagram of a voltage module of a multifunctional powder equipment monitoring and control system proposed by the present invention;

[0020] Figure 3 A circuit diagram of a Bluetooth module of a multifunctional powder equipment monitoring and control system proposed by the present invention;

[0021] Figure 4 This is a circuit diagram of a serial input and parallel output module of a multifunctional powder equipment monitoring and control system proposed by the present invention;

[0022] Figure 5 The circuit of the isolation module of the multifunctional powder equipment monitoring and control system proposed by the present invention Figure 1 ;

[0023] Figure 6 The circuit of the isolation module of the multifunctional powder equipment monitoring and control system proposed by the present invention Figure 2 ;

[0024] Figure 7 A circuit diagram of a relay output module for a multifunctional powder equipment monitoring and control system proposed by the present invention Figure 1 ;

[0025] Figure 8 A circuit diagram of a relay output module for a multifunctional powder equipment monitoring and control system proposed by the present invention Figure 2 ;

[0026] Fig. 9 A circuit diagram of a rotary encoder module of a multifunctional powder equipment monitoring and control system proposed by the present invention;

[0027] Fig.10 A circuit diagram of a detection module for a multifunctional powder equipment monitoring and control system proposed by the present invention Figure 1 ;

[0028] Fig.11 A circuit diagram of a detection module for a multifunctional powder equipment monitoring and control system proposed by the present invention Figure 2 ;

[0029] Fig.12 A circuit diagram of a detection module for a multifunctional powder equipment monitoring and control system proposed by the present invention Figure 3 . DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Reference Figure 1-12A multifunctional powder equipment monitoring and control system includes a voltage module, a relay output module, a serial input and parallel output module, a rotary encoder module, a main control module and an isolation module. The voltage module is used to reduce the external power supply voltage and provide low-voltage power to the serial input and parallel output module, the main control module and the isolation module; the main control module is used to receive external instructions to generate instruction signals, and transmit the instruction signals to the relay output module through the isolation module, while monitoring the operating status of other modules. The rotary encoder module is connected to the main control module, the rotary encoder module generates speed control instructions and feeds back to the main control module, the relay output module provides or disconnects power to the power components of the powder equipment according to the instruction signal, and the serial input and parallel output module is used to convert the serial port signal of the main control module into a parallel signal and send it to the isolation module.

[0032] The voltage module includes a 3.3V voltage module and a 5V voltage module. The 3.3V voltage module includes a power supply and a buck chip U1. The power supply is connected to the voltage input end of the buck chip U1. The voltage output end of the buck chip U1 outputs a 3.3V voltage. The voltage input end of the buck chip U1 is grounded through a first capacitor C1, and the voltage output end of the buck chip U1 is grounded through a second capacitor C2. The first resistor R1 and the first light-emitting diode LED1 are connected at both ends of the second capacitor C2, and the ground end of the buck chip U1 is grounded; the voltage module and 5V include a power supply and a buck chip U2. The power supply is connected to the voltage input end of the buck chip U2, and the voltage output end of the buck chip U2 outputs a 5V voltage. The voltage input end of the buck chip U2 is grounded through a third capacitor C3, and the voltage output end of the buck chip U2 is grounded through a fourth capacitor C4. The second resistor R2 and the second light-emitting diode LED2 are connected at both ends of the fourth capacitor C4, and the ground end of the buck chip U2 is grounded.

[0033] The main control module includes a single-chip microcomputer U16 and a display screen OLED1, a 3.3V power supply is connected to pin 2 of the single-chip microcomputer U16, pin 3 of the single-chip microcomputer U16 is grounded after passing through the tenth capacitor C10, a thirty-eighth resistor R38 is connected between pin 2 of the single-chip microcomputer U16 and pin 3 of the single-chip microcomputer U16, pin 7 of the single-chip microcomputer U16 is connected to the detection module, pins 13, 14 and 17 of the single-chip microcomputer U16 are connected to the rotary encoder module, pin 24 of the single-chip microcomputer U16 is grounded after passing through the seventy-second resistor R72, and pin 25 of the single-chip microcomputer U16 is connected to the seventy-first resistor R7 1 is connected to a 3.3V power supply, and pin 25 of the single-chip computer U16 is connected in series with pin 24 of the single-chip computer U16 through the seventieth resistor R70 and the second switch SW2, pins 34 and 35 of the single-chip computer U16 are connected to the Bluetooth module, pin 33 of the single-chip computer U16 is connected to pin 4 of the display screen OLED1, pin 36 of the single-chip computer U16 is connected to pin 3 of the display screen OLED1, pins 1, 15, 38 and 39 of the single-chip computer U16 are grounded, pin 1 of the display screen OLED1 is grounded, and the 3.3V power supply is connected to pin 2 of the display screen OLED1.

[0034] The Bluetooth module includes a Bluetooth chip U17, wherein pin 1 of the Bluetooth chip U17 is grounded, pin 2 of the Bluetooth chip U17 is connected to pin 34 of the single-chip computer U16 through a thirty-fifth resistor R35, pin 3 of the Bluetooth chip U17 is connected to pin 35 of the single-chip computer U16 through a thirty-sixth resistor R36, a 3.3V power supply is connected between the thirty-sixth resistor R36 and pin 35 of the single-chip computer U16 through a thirty-seventh resistor R37 and a fifteenth light-emitting diode LED15, and pin 4 of the Bluetooth chip U17 is connected to the eighth capacitor C 8 is grounded, the 13th pin of the Bluetooth chip U17 is connected to the base of the transistor eleven Q11 through the seventy-fourth resistor R74, the emitter of the transistor eleven Q11 is connected to the 14th pin of the Bluetooth chip U17, the 14th pin of the Bluetooth chip U17 is connected to the base of the transistor ten Q10 through the seventy-third resistor R73, the emitter of the transistor ten Q10 is connected to the 13th pin of the Bluetooth chip U17, the 16th pin of the Bluetooth chip U17 is connected to the 5V power supply, and the 16th pin of the Bluetooth chip U17 is grounded through the ninth capacitor C9.

[0035] The serial-in-parallel-output module includes a serial-in-parallel-output chip U3, a 5V power supply is connected to pins 10 and 16 of the serial-in-parallel-output chip U3, pins 8 and 13 of the serial-in-parallel-output chip U3 are grounded, pins 11, 12, and 14 of the serial-in-parallel-output chip U3 are sequentially connected to pins 27, 28, and 30 of the microcontroller U16, and pins 1-7 and 15 of the serial-in-parallel-output chip U3 are connected to the isolation module.

[0036] The isolation module includes an isolation chip, and the isolation chip includes a first isolation chip U4, a second isolation chip U5, a third isolation chip U6, a fourth isolation chip U7, a fifth isolation chip U8, a sixth isolation chip U9, a seventh isolation chip U10, and an eighth isolation chip U11. A 3.3V power supply is connected to pin 4 of the isolation chip, and pin 1 of the isolation chip is connected to the serial input and output chip U3 through an isolation chip resistor. Pin 2 of the isolation chip is grounded after passing through an isolation chip light-emitting diode. Pin 3 of the isolation chip is connected to the relay output module. The isolation chip resistors are a fourth resistor R4, a seventh resistor R7, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26, and a twenty-seventh resistor R27. The isolation chip light-emitting diodes are a third light-emitting diode LED3, a fourth light-emitting diode LED4, a fifth light-emitting diode LED5, a sixth light-emitting diode LED6, a seventh light-emitting diode LED7, an eighth light-emitting diode LED8, a ninth light-emitting diode LED9, and a tenth light-emitting diode LED10. Pin 1 of the first isolation chip U4 is connected to the fourth resistor R 4, the 2nd pin of the first isolation chip U4 is connected to the third light-emitting diode LED3; the 1st pin of the second isolation chip U5 is connected to the seventh resistor R7, and the 2nd pin of the second isolation chip U5 is connected to the fourth light-emitting diode LED4; the 1st pin of the third isolation chip U6 is connected to the 22nd resistor R22, and the 2nd pin of the third isolation chip U6 is connected to the fifth light-emitting diode LED5; the 1st pin of the fourth isolation chip U7 is connected to the 23rd resistor R23, and the 2nd pin of the fourth isolation chip U7 is connected to the sixth light-emitting diode LED6; the 1st pin of the fifth isolation chip U8 is connected to the second The fourteenth resistor R24 ​​is connected, and the 2nd pin of the fifth isolation chip U8 is connected to the seventh light-emitting diode LED7; the 1st pin of the sixth isolation chip U9 is connected to the twenty-fifth resistor R25, and the 2nd pin of the sixth isolation chip U9 is connected to the eighth light-emitting diode LED8; the 1st pin of the seventh isolation chip U10 is connected to the twenty-sixth resistor R26, and the 2nd pin of the seventh isolation chip U10 is connected to the ninth light-emitting diode LED9; the 1st pin of the eighth isolation chip U11 is connected to the twenty-seventh resistor R27, and the 2nd pin of the eighth isolation chip U11 is connected to the tenth light-emitting diode LED10.

[0037] The relay output module includes relays, and the relays include a first relay K1, a second relay K2, a third relay K3, a fourth relay K4, a fifth relay K5, a sixth relay K6, a seventh relay K7 and an eighth relay K8. The relay transistors include a transistor Q1, a transistor Q2, a transistor Q3, a transistor Q4, a transistor Q5, a transistor Q6, a transistor Q7 and a transistor Q8. The relay diodes include a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7 and a diode D8. A 24V power supply is connected to one end of an input circuit of the first relay K1. The other end of the input circuit of the first relay K1 is connected to the collector of the transistor Q1, a diode D1 is connected between the input circuit of the first relay K1, the base of the transistor Q1 is connected to the 3rd pin of the first isolation chip U4 through the fifth resistor R5, the base of the transistor Q1 is grounded through the sixth resistor R6, and the emitter of the transistor Q1 is grounded, wherein one end of the output circuit of the first relay K1 is a dry contact input point, and the other end of the output circuit of the first relay K1 is a dry contact output point; a 24V power supply is connected to one end of the input circuit of the second relay K2 and one end of the output circuit of the second relay K2, the other end of the input circuit of the second relay K2 is connected to the collector of the transistor Q2, and the second relay K2 is connected to the collector of the transistor Q2. A diode D2 is connected between the input circuit of the electrical appliance K2, the base of the transistor Q2 is connected to the 3rd pin of the second isolation chip U5 through the seventh resistor R7, the base of the transistor Q2 is grounded through the eighth resistor R8, the emitter of the transistor Q2 is grounded, and the other end of the output circuit of the second relay K2 supplies power to the power component; a 24V power supply is connected to one end of the input circuit of the third relay K3 and one end of the output circuit of the third relay K3, the other end of the input circuit of the third relay K3 is connected to the collector of the transistor Q3, a diode D3 is connected between the input circuit of the third relay K3, the base of the transistor Q3 is connected to the 3rd pin of the third isolation chip U6 through the ninth resistor R9, and the transistor Q3 is connected to the collector of the transistor Q3. The base of Q3 is grounded through the tenth resistor R10, the emitter of the transistor Q3 is grounded, and the other end of the output circuit of the third relay K3 supplies power to the power component; the 24V power supply is connected to one end of the input circuit of the fourth relay K4 and one end of the output circuit of the fourth relay K4, the other end of the input circuit of the fourth relay K4 is connected to the collector of the transistor Q4, a diode D4 is connected between the input circuits of the fourth relay K4, the base of the transistor Q4 is connected to the 3rd pin of the fourth isolation chip U7 through the eleventh resistor R11, the base of the transistor Q4 is grounded through the twelfth resistor R12, the emitter of the transistor Q4 is grounded, and the other end of the output circuit of the fourth relay K4 supplies power to the power component;The 24V power supply is connected to one end of the fifth relay K5 input circuit and one end of the fifth relay K5 output circuit, the other end of the fifth relay K5 input circuit is connected to the collector of the transistor Q5, a diode D5 is connected between the fifth relay K5 input circuit, the base of the transistor Q5 is connected to the 3rd pin of the fifth isolation chip U8 through the thirteenth resistor R13, the base of the transistor Q5 is grounded through the fourteenth resistor R14, the emitter of the transistor Q5 is grounded, and the other end of the fifth relay K5 output circuit supplies power to the power component; The 24V power supply is connected to one end of the input circuit of the sixth relay K6 and one end of the output circuit of the sixth relay K6. The other end of the input circuit of the sixth relay K6 is connected to the collector of the transistor Q6. A diode D6 is connected between the input circuits of the sixth relay K6. The base of the transistor Q6 is connected to the 3rd pin of the sixth isolation chip U9 through the fifteenth resistor R15. The base of the transistor Q6 is grounded through the sixteenth resistor R16. The emitter of the transistor Q6 is grounded. The other end of the output circuit of the sixth relay K6 supplies power to the power component. A 4V power supply is connected to one end of the seventh relay K7 input circuit and one end of the seventh relay K7 output circuit, the other end of the seventh relay K7 input circuit is connected to the collector of the transistor Q7, a diode D7 is connected between the seventh relay K7 input circuit, the base of the transistor Q7 is connected to the 3rd pin of the seventh isolation chip U10 through the seventeenth resistor R17, the base of the transistor Q7 is grounded through the eighteenth resistor R18, the emitter of the transistor Q7 is grounded, and the other end of the seventh relay K7 output circuit supplies power to the power component; The 24V power supply is connected to one end of the input circuit of the eighth relay K8 and one end of the output circuit of the eighth relay K8. The other end of the input circuit of the eighth relay K8 is connected to the collector of the transistor Q8. A diode D8 is connected between the input circuits of the eighth relay K8. The base of the transistor Q8 is connected to the 3rd pin of the eighth isolation chip U11 through the nineteenth resistor R19. The base of the transistor Q8 is grounded through the twentieth resistor R20. The emitter of the transistor Q8 is grounded. The other end of the output circuit of the eighth relay K8 supplies power to the power component. ;

[0038] The rotary encoder module includes a rotary encoder SW1, a 3.3V power supply is connected to the A pin of the rotary encoder SW1 through a thirty-third resistor R33, the A pin of the rotary encoder SW1 is grounded through a sixth capacitor C6, the A pin of the rotary encoder SW1 is connected to the 14th pin of the single-chip computer U16, the 3.3V power supply is connected to the B pin of the rotary encoder SW1 through a thirty-second resistor R32, the B pin of the rotary encoder SW1 is grounded through a fifth capacitor C5, the B pin of the rotary encoder SW1 is connected to the 16th pin of the single-chip computer U16, the 3.3V power supply is connected to the E pin of the rotary encoder SW1 through a thirty-fourth resistor R34, the E pin of the rotary encoder SW1 is grounded through a seventh capacitor C7, the E pin of the rotary encoder SW1 is connected to the 13th pin of the single-chip computer U16, and the C pin, D pin, 6 pin and 7 pin of the rotary encoder SW1 are grounded.

[0039] It also includes a detection module, which includes a detection chip U18, a 3.3V power supply connected to pin 3 of the detection chip U18, pins 4, 5, 6, 7, 8, 9, 10, and 11 of the detection chip U18 are connected to the detection, pin 12 of the detection chip U18 is grounded, the 3.3V power supply is connected to the collector of the transistor nine Q9 through the sixty-second resistor R62, the sixty-second resistor R62 and the collector of the transistor nine Q9 are connected to pin 7 of the single-chip computer U16, the emitter of the transistor nine Q9 is grounded, the 5V power supply is connected to the anodes of the diode eighteen D18, the diode nineteen D19, and the diode twenty-two D22, the cathode of the diode eighteen D18 is connected in parallel with the anodes of the diode fifteen D15, the diode sixteen D16, and the diode seventeen D17, respectively, The two ends of diode 18 D18 are connected in series with the sixtieth resistor R60 and the sixteenth light-emitting diode LED16, the anode of detection phase V1 is connected to the cathode of diode 15 D15 through diode 12 D12 and the fifty-seventh resistor R57, the anode of detection phase V2 is connected to the cathode of diode 16 D16 through diode 13 D13 and the fifty-eighth resistor R57, the anode of detection phase V3 is connected to the cathode of diode 17 D17 through diode 14 D14 and the fifty-ninth resistor R59, the cathode of diode 19 D19 is connected to the base of transistor 9 Q9 through the sixty-first resistor R61, the cathode of diode 22 D22 is connected to pin 13 of detection chip U18, and the two ends of diode 22 D22 are connected in series with the sixty-ninth resistor R69 and the seventeenth light-emitting diode LED17.

[0040] In the detection module, the L1 power supply phase is grounded after passing through the thirty-ninth resistor R39, the fortieth resistor R40, the forty-first resistor R41 and the forty-eighth resistor R48, and the L1 power supply phase is connected to the anode of the diode nine D9 through the thirty-ninth resistor R39, the fortieth resistor R40 and the forty-first resistor R41, the cathode of the diode nine D9 is grounded through the eleventh capacitor C11 and outputs the detection phase V1 anode, the cathode of the diode nine D9 is grounded after passing through the fifty-first resistor R51 and the fifty-second resistor R52, and the detection phase V3 cathode is output between the fifty-first resistor R51 and the fifty-second resistor R52; in the detection module, the L2 power supply phase is grounded after passing through the forty-second resistor R42, the forty-third resistor R43, the forty-fourth resistor R44 and the forty-ninth resistor R49, and the L2 power supply phase is connected to the anode of the diode ten D10 through the forty-second resistor R42, the forty-third resistor R43 and the forty-fourth resistor R44, The cathode of diode ten D10 is grounded through the twelfth capacitor C12 and outputs the anode of the detection phase V2. The cathode of diode ten D10 is grounded after passing through the fifty-third resistor R53 and the fifty-fourth resistor R54, and the cathode of detection phase V1 is output between the fifty-third resistor R53 and the fifty-fourth resistor R54; in the detection module, the L3 power supply phase is grounded after passing through the forty-fifth resistor R45, the forty-sixth resistor R46, the forty-seventh resistor R47 and the fiftieth resistor R50, the L2 power supply phase is connected to the anode of diode eleven D11 through the forty-fifth resistor R45, the forty-sixth resistor R46 and the forty-seventh resistor R47, the cathode of diode eleven D11 is grounded through the thirteenth capacitor C13 and outputs the anode of detection phase V3, the cathode of diode eleven D11 is grounded after passing through the fifty-fifth resistor R55 and the fifty-sixth resistor R56, and the cathode of detection phase V2 is output between the fifty-fifth resistor R55 and the fifty-sixth resistor R56.

[0041] The L1 power supply phase is connected to the L2 power supply after passing through the sixty-third resistor R63, the sixty-fourth resistor R64 and the fourteenth capacitor C14. The L3 power supply phase is connected to the L2 power supply after passing through the sixty-sixth resistor R66, the sixty-seventh resistor R67 and the fourteenth capacitor C14. The sixty-fifth resistor R65 and the anode of the diode twenty D20 are connected in sequence between the sixty-third resistor R63 and the sixty-fourth resistor R64, and then the detection phase V4 anode is output. The sixty-eighth resistor R68 and the anode of the diode twenty-one D21 are connected in sequence between the sixty-sixth resistor R66 and the sixty-seventh resistor R67, and then the detection phase V4 cathode is output.

[0042] Pin 4 of the detection chip U18 is connected to the cathode of the detection phase V1, pin 5 is connected to the anode of the detection phase V1, pin 6 is connected to the cathode of V2, pin 7 is connected to the anode of V2, pin 8 is connected to the cathode of V3, pin 9 is connected to the anode of V3, pin 10 is connected to the cathode of V4, and pin 11 is connected to the anode of V4 and connected to the detection phase.

[0043] The controller human-computer interaction consists of a single-chip microcomputer U16 and a display screen OLED1. The control mode of the main control module can be selected by rotating the encoder module:

[0044] ①Fully automatic bag opening station mode

[0045] In the fully automatic bag opening station mode, the parameters can set the number of pulse valves, closing delay, working and interval time, as well as the working and interval time of the air bowl, air hammer, and the working and interval time of the flapping cylinder. When the input receives the start signal, the main control module automatically starts to operate according to the settings.

[0046] ②Small negative pressure feeding system mode

[0047] In the small negative pressure feeding system mode, the parameter setting can set the pulse controller closing delay, bypass valve closing delay, discharge valve closing delay, etc. When the input receives the start signal, the main control module automatically starts running according to the setting.

[0048] ③Pulse controller mode

[0049] In the pulse controller mode, the parameters can set the number of pulse valves, working and interval delay. When receiving the start signal, the main control module starts to spray and circulate one by one according to the settings.

[0050] ④Remote expansion module mode

[0051] When in remote expansion module mode, the main control module can communicate with the host computer or PLC according to the Modbus RTU bus communication method, and connect or disconnect the corresponding relay according to the message.

[0052] In addition, the Bluetooth mode can be performed through the Bluetooth module. The main control module can turn on the Bluetooth mode in the settings. After pairing with the mobile phone, it can monitor and control the microcontroller U16 through specific WeChat applets and other means.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multifunctional powder equipment monitoring and control system, comprising a voltage module, a relay output module, a serial input and parallel output module, a rotary encoder module, a main control module and an isolation module, characterized in that: The voltage module is used to reduce the external power supply voltage and provide low-voltage power to the serial input and parallel output module, the main control module and the isolation module; the main control module is used to receive external instructions to generate instruction signals, and transmit the instruction signals to the relay output module through the isolation module, while monitoring the operating status of other modules. The rotary encoder module is connected to the main control module, and the rotary encoder module generates speed control instructions and feeds back to the main control module. The relay output module provides or disconnects power to the power components of the powder equipment according to the instruction signal. The serial input and parallel output module is used to convert the serial port signal of the main control module into a parallel signal and send it to the isolation module; The voltage module includes a 3.3V voltage module and a 5V voltage module. The 3.3V voltage module includes a power supply and a buck chip U1. The power supply is connected to the voltage input end of the buck chip U1. The voltage output end of the buck chip U1 outputs a 3.3V voltage. The voltage input end of the buck chip U1 is grounded through a first capacitor C1, and the voltage output end of the buck chip U1 is grounded through a second capacitor C2. The first resistor R1 and the first light-emitting diode LED1 are connected at both ends of the second capacitor C2, and the ground end of the buck chip U1 is grounded; the voltage module and 5V include a power supply and a buck chip U2. The power supply is connected to the voltage input end of the buck chip U2, and the voltage output end of the buck chip U2 outputs a 5V voltage. The voltage input end of the buck chip U2 is grounded through a third capacitor C3, and the voltage output end of the buck chip U2 is grounded through a fourth capacitor C4. The second resistor R2 and the second light-emitting diode LED2 are connected at both ends of the fourth capacitor C4, and the ground end of the buck chip U2 is grounded; The main control module includes a single-chip microcomputer U16 and a display screen OLED1, a 3.3V power supply is connected to pin 2 of the single-chip microcomputer U16, pin 3 of the single-chip microcomputer U16 is grounded through a tenth capacitor C10, a thirty-eighth resistor R38 is connected between pin 2 of the single-chip microcomputer U16 and pin 3 of the single-chip microcomputer U16, pin 7 of the single-chip microcomputer U16 is connected to the detection module, pins 13, 14 and 17 of the single-chip microcomputer U16 are connected to the rotary encoder module, pin 24 of the single-chip microcomputer U16 is grounded through a seventy-second resistor R72, and pin 25 of the single-chip microcomputer U16 is grounded through a seventy-first resistor R7 1 is connected to a 3.3V power supply, and pin 25 of the single-chip computer U16 is connected in series with pin 24 of the single-chip computer U16 through the seventieth resistor R70 and the second switch SW2, pins 34 and 35 of the single-chip computer U16 are connected to the Bluetooth module, pin 33 of the single-chip computer U16 is connected to pin 4 of the display screen OLED1, pin 36 of the single-chip computer U16 is connected to pin 3 of the display screen OLED1, pins 1, 15, 38 and 39 of the single-chip computer U16 are grounded, pin 1 of the display screen OLED1 is grounded, and the 3.3V power supply is connected to pin 2 of the display screen OLED1.

2. A multifunctional powder equipment monitoring and control system according to claim 1, characterized in that: The Bluetooth module includes a Bluetooth chip U17, wherein pin 1 of the Bluetooth chip U17 is grounded, pin 2 of the Bluetooth chip U17 is connected to pin 34 of the single-chip computer U16 through a thirty-fifth resistor R35, pin 3 of the Bluetooth chip U17 is connected to pin 35 of the single-chip computer U16 through a thirty-sixth resistor R36, a 3.3V power supply is connected between the thirty-sixth resistor R36 and pin 35 of the single-chip computer U16 through a thirty-seventh resistor R37 and a fifteenth light-emitting diode LED15, and pin 4 of the Bluetooth chip U17 is connected to pin 36 of the single-chip computer U16 through an eighth resistor R36. The pin 13 of the Bluetooth chip U17 is connected to the base of the transistor Q11 through the seventy-fourth resistor R74, the emitter of the transistor Q11 is connected to the pin 14 of the Bluetooth chip U17, the pin 14 of the Bluetooth chip U17 is connected to the base of the transistor Q10 through the seventy-third resistor R73, the emitter of the transistor Q10 is connected to the pin 13 of the Bluetooth chip U17, the pin 16 of the Bluetooth chip U17 is connected to the 5V power supply, and the pin 16 of the Bluetooth chip U17 is grounded through the ninth capacitor C9.

3. A multifunctional powder equipment monitoring and control system according to claim 2, characterized in that: The serial-in-parallel-output module includes a serial-in-parallel-output chip U3, a 5V power supply is connected to pins 10 and 16 of the serial-in-parallel-output chip U3, pins 8 and 13 of the serial-in-parallel-output chip U3 are grounded, pins 11, 12, and 14 of the serial-in-parallel-output chip U3 are sequentially connected to pins 27, 28, and 30 of the single-chip computer U16, and pins 1-7 and pin 15 of the serial-in-parallel-output chip U3 are connected to the isolation module.

4. A multifunctional powder equipment monitoring and control system according to claim 3, characterized in that: The isolation module includes an isolation chip, which includes a first isolation chip U4, a second isolation chip U5, a third isolation chip U6, a fourth isolation chip U7, a fifth isolation chip U8, a sixth isolation chip U9, a seventh isolation chip U10, and an eighth isolation chip U11. A 3.3V power supply is connected to pin 4 of the isolation chip, pin 1 of the isolation chip is connected to the serial input and output chip U3 through an isolation chip resistor, pin 2 of the isolation chip is grounded after passing through an isolation chip light emitting diode, and pin 3 of the isolation chip is connected to the relay output module.

5. A multifunctional powder equipment monitoring and control system according to claim 4, characterized in that: The relay output module includes relays, and the relays include a first relay K1, a second relay K2, a third relay K3, a fourth relay K4, a fifth relay K5, a sixth relay K6, a seventh relay K7 and an eighth relay K8. A 24V power supply is connected to one end of the relay output circuit, and the other end of the relay input circuit is connected to the collector of the relay transistor. A relay diode is connected between the relay input circuits. The base of the relay transistor is connected to the 3rd pin of the isolation chip through a relay resistor 1, and the base of the relay transistor is grounded through a relay resistor 2. Relay three The emitter of the diode is grounded, wherein one end of the output circuit of the first relay K1 is a dry contact input point, and one end of the output circuit of the second relay K2, the third relay K3, the fourth relay K4, the fifth relay K5, the sixth relay K6, the seventh relay K7 and the eighth relay K8 is connected to a 24V power supply; the other end of the output circuit of the first relay K1 is a dry contact output point, and the other end of the output circuit of the second relay K2, the third relay K3, the fourth relay K4, the fifth relay K5, the sixth relay K6, the seventh relay K7 and the eighth relay K8 supplies power to the power component.

6. A multifunctional powder equipment monitoring and control system according to claim 5, characterized in that: The rotary encoder module includes a rotary encoder SW1, a 3.3V power supply is connected to the A pin of the rotary encoder SW1 through a thirty-third resistor R33, the A pin of the rotary encoder SW1 is grounded through a sixth capacitor C6, the A pin of the rotary encoder SW1 is connected to the 14 pin of the single-chip computer U16, the 3.3V power supply is connected to the B pin of the rotary encoder SW1 through a thirty-second resistor R32, the B pin of the rotary encoder SW1 is grounded through a fifth capacitor C5, the B pin of the rotary encoder SW1 is connected to the 16 pin of the single-chip computer U16, the 3.3V power supply is connected to the E pin of the rotary encoder SW1 through a thirty-fourth resistor R34, the E pin of the rotary encoder SW1 is grounded through a seventh capacitor C7, the E pin of the rotary encoder SW1 is connected to the 13 pin of the single-chip computer U16, and the C pin, D pin, 6 pin and 7 pin of the rotary encoder SW1 are grounded.

7. A multifunctional powder equipment monitoring and control system according to any one of claims 1 to 6, characterized in that: It also includes a detection module, the detection module includes a detection chip U18, a 3.3V power supply is connected to pin 3 of the detection chip U18, pins 4, 5, 6, 7, 8, 9, 10, and 11 of the detection chip U18 are connected to the detection, pin 12 of the detection chip U18 is grounded, the 3.3V power supply is connected to the collector of the transistor nine Q9 through the sixty-second resistor R62, the sixty-second resistor R62 and the collector of the transistor nine Q9 are connected to pin 7 of the single-chip computer U16, the emitter of the transistor nine Q9 is grounded, the 5V power supply is connected to the anodes of the diode eighteen D18, the diode nineteen D19, and the diode twenty-two D22, the cathode of the diode eighteen D18 is connected in parallel with the anodes of the diode fifteen D15, the diode sixteen D16, and the diode seventeen D17, respectively. The two ends of the diode D18 are connected in series with the sixtieth resistor R60 and the sixteenth light-emitting diode LED16, the anode of the detection phase V1 is connected to the cathode of the diode D15 through the diode D12 and the fifty-seventh resistor R57, the anode of the detection phase V2 is connected to the cathode of the diode D16 through the diode D13 and the fifty-eighth resistor R57, the anode of the detection phase V3 is connected to the cathode of the diode D17 through the diode D14 and the fifty-ninth resistor R59, the cathode of the diode D19 is connected to the base of the transistor Q9 through the sixty-first resistor R61, the cathode of the diode D22 is connected to the 13th pin of the detection chip U18, and the two ends of the diode D22 are connected in series with the sixty-ninth resistor R69 and the seventeenth light-emitting diode LED17.

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