Data monitoring system of automatic firework and cracker production line

Abstract

The utility model discloses a data monitoring system of an automatic firework and cracker production line. The data monitoring system comprises an intrinsic safety power supply module, an electrostatic discharge module, a mechanical monitoring module, a temperature and humidity sensor module, a gateway module and an isolation gate module, the intrinsically safe power supply module supplies power; the electrostatic discharge module discharges static electricity, monitors the electrostatic discharge frequency and uploads the electrostatic discharge frequency; the mechanical monitoring module monitors and uploads cable temperature and current data; the temperature and humidity sensor module monitors and uploads temperature and humidity data; the gateway module receives signals uploaded by the electrostatic discharge module, the mechanical monitoring module and the temperature and humidity sensor module and forwards the signals to the isolated gate module; and the isolation gate module isolates the signal and sends the signal to the outside so as to complete data monitoring of the automatic firework and cracker production line. According to the utility model, the data monitoring of the automatic production line of fireworks and crackers is realized, the reliability is higher, and the safety is better.

Description

Technical Field

[0001] This utility model belongs to the field of monitoring of automated production lines for fireworks and firecrackers, and specifically relates to a data monitoring system for automated production lines for fireworks and firecrackers. Background Technology

[0002] With the development of economy and technology, people are paying more and more attention to the safety of industrial production processes. Therefore, ensuring the safety of industrial production processes is of great significance to industrial production enterprises.

[0003] Currently, automated production lines for fireworks and firecrackers are becoming increasingly common, greatly improving production efficiency. However, data monitoring in these lines remains relatively inadequate. For example, patent applications 201711302291.X and 200710100213.1, while disclosing data monitoring schemes for automated fireworks and firecracker production lines, are rather general. Furthermore, neither scheme considers the impact of static electricity on personnel during production. This makes these schemes unreliable and unsafe in actual operation. Utility Model Content

[0004] The purpose of this invention is to provide a data monitoring system for an automated fireworks and firecracker production line that is highly reliable and safe.

[0005] This utility model provides a data monitoring system for an automated fireworks production line, comprising an intrinsically safe power supply module, an electrostatic discharge module, a mechanical monitoring module, a temperature and humidity sensor module, a gateway module, and an isolation barrier module. The intrinsically safe power supply module is connected to an external power source. The outputs of the electrostatic discharge module, the mechanical monitoring module, and the temperature and humidity sensor module are all connected to the input of the gateway module, and the output of the gateway module is connected to the input of the isolation barrier module. The intrinsically safe power supply module converts the externally input power into a power supply signal and supplies power to the electrostatic discharge module, the mechanical monitoring module, the temperature and humidity sensor module, the gateway module, and the isolation barrier module. The electrostatic discharge module is used for the release of static electricity from workers and monitors... The system measures the number of electrostatic discharges and uploads the data to the gateway module; the mechanical monitoring module monitors the cable temperature and current data of the automated fireworks production line and uploads the monitoring data to the gateway module; the temperature and humidity sensor module monitors the temperature and humidity data of the automated fireworks production line and uploads the monitoring data to the gateway module; the gateway module receives signals from the electrostatic discharge module, the mechanical monitoring module, and the temperature and humidity sensor module, performs logical judgment, plays prompts or warning sounds through the audio output submodule, and forwards the received signals to the isolation barrier module; the isolation barrier module isolates the signals uploaded by the gateway module before sending them out to complete the data monitoring of the automated fireworks production line.

[0006] The intrinsically safe power module includes a 12V output submodule, an output voltage sampling submodule, an output current sampling submodule, an overvoltage and overcurrent protection submodule, and an output control submodule.

[0007] The 12V output submodule converts externally input electrical energy into 12V power and supplies it to the outside via the output control submodule; the output voltage sampling submodule samples the voltage of the output 12V power supply and uploads the sampling signal to the overvoltage and overcurrent protection submodule; the output current sampling submodule samples the current of the output 12V power supply and uploads the sampling signal to the overvoltage and overcurrent protection submodule; the overvoltage and overcurrent protection submodule performs overvoltage and overcurrent protection on the 12V power supply based on the received sampling signals and uploads the protection signal to the output control submodule; the output control submodule controls the output of the 12V power supply.

[0008] The 12V output submodule is a circuit composed of a VPC2187 power supply chip; the output voltage sampling submodule is a circuit composed of a resistor voltage divider circuit; the output current sampling submodule is a sampling circuit composed of an operational amplifier and resistors; the overvoltage and overcurrent protection submodule is a circuit composed of a TLV3202 comparator chip and a CD4538 timer chip; and the output control submodule is a switching circuit composed of transistors.

[0009] The electrostatic discharge module includes an electrostatic discharge power supply submodule, an electrostatic discharge control submodule, an electrostatic discharge communication submodule, and an electrostatic discharge inductance submodule;

[0010] The electrostatic discharge power supply submodule supplies power to the electrostatic discharge module; the electrostatic discharge inductance submodule is used for electrostatic discharge by the worker, and monitors the number of discharges and uploads the data to the electrostatic discharge control submodule; the electrostatic discharge control submodule receives the uploaded number of electrostatic discharges and uploads the data to the gateway module through the electrostatic discharge communication submodule; the electrostatic discharge communication submodule is used for communication between the electrostatic discharge control submodule and the gateway module.

[0011] The electrostatic discharge power supply submodule is a circuit composed of a power chip of model FR9889; the electrostatic discharge control submodule is a circuit composed of a control chip of model STM32G030C8T6; the electrostatic discharge communication submodule is a communication circuit composed of a communication chip of model BL3085B; and the electrostatic discharge inductance submodule is a circuit composed of a chip of model ICM7555MM / TR.

[0012] The mechanical monitoring module includes a mechanical monitoring power supply submodule, a mechanical monitoring current sampling submodule, a mechanical monitoring cable temperature sampling submodule, a mechanical monitoring control submodule, and a mechanical monitoring communication submodule.

[0013] The mechanical monitoring power supply submodule supplies power to the mechanical monitoring module; the mechanical monitoring current sampling submodule monitors the current signal of the automated fireworks production line and uploads the monitoring signal to the mechanical monitoring control submodule; the mechanical monitoring cable temperature sampling submodule monitors the cable temperature signal of the automated fireworks production line and uploads the monitoring signal to the mechanical monitoring control submodule; the mechanical monitoring control submodule receives the uploaded monitoring signal and uploads the signal to the gateway module through the mechanical monitoring communication submodule; the mechanical monitoring communication submodule is used for communication between the mechanical monitoring control submodule and the gateway module.

[0014] The mechanical monitoring power supply submodule is a circuit composed of a power chip of model FR9889; the mechanical monitoring current sampling submodule is a circuit composed of a metering chip of model RN8032; the mechanical monitoring cable temperature sampling submodule is a circuit composed of a temperature sensor of model DS18B20; the mechanical monitoring control submodule is a circuit composed of a control chip of model STM32G030C8T6; and the mechanical monitoring communication submodule is a communication circuit composed of a communication chip of model BL3085B.

[0015] The temperature and humidity sensor module includes a temperature and humidity power supply submodule, a temperature and humidity sensing submodule, a temperature and humidity control submodule, a temperature and humidity display submodule, and a temperature and humidity communication submodule.

[0016] The temperature and humidity power supply submodule supplies power to the temperature and humidity sensor module; the temperature and humidity sensor submodule monitors the temperature and humidity data of the automated fireworks production line and uploads the monitoring signals to the temperature and humidity control submodule; the temperature and humidity control submodule receives the uploaded monitoring signals and displays the temperature and humidity data through the temperature and humidity display submodule, while simultaneously uploading the temperature and humidity data to the gateway module through the temperature and humidity communication submodule; the temperature and humidity display submodule displays the temperature and humidity data; and the temperature and humidity communication submodule facilitates communication between the temperature and humidity control submodule and the gateway module.

[0017] The temperature and humidity power supply submodule is a circuit composed of a power chip of model FR9889; the temperature and humidity sensing submodule is a circuit composed of a temperature and humidity sensor of model HDC1080; the temperature and humidity control submodule is a circuit composed of a control chip of model STM32G030C8T6; the temperature and humidity display submodule is a circuit composed of an LCD driver chip of model HT1621B and a display screen of model QYT12429; the temperature and humidity communication submodule is a communication circuit composed of a communication chip of model BL3085B.

[0018] The gateway module includes a gateway power supply submodule, a gateway overvoltage protection submodule, a gateway communication submodule, a gateway audio interface submodule, a gateway audio output submodule, a gateway infrared receiver submodule, a gateway display submodule, a gateway storage submodule, a gateway control submodule, and a gateway network submodule;

[0019] The gateway power supply submodule supplies power to the gateway module; the gateway overvoltage protection submodule provides overvoltage protection for the power signal output by the gateway power supply submodule; the gateway communication submodule receives signals from the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module, and forwards the signals to the gateway control submodule and gateway network submodule; the gateway audio interface submodule is used for data transmission between the gateway audio output submodule and the isolation barrier module; the gateway audio output submodule receives audio signals and uploads them to the isolation barrier module through the gateway audio interface submodule; the gateway infrared receiver submodule receives externally transmitted infrared signals and uploads them to the gateway control submodule; the gateway display submodule receives data from the gateway control submodule and displays the data; the gateway storage submodule stores the data of the gateway module; the gateway control submodule controls the operation of the gateway module; the gateway network submodule receives data from the gateway control submodule and signals from the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module, and forwards the data to the isolation barrier module.

[0020] The gateway power supply submodule is a circuit composed of a power chip of model FR9609; the gateway overvoltage protection submodule is a circuit composed of a TVS diode; the gateway communication submodule is a communication circuit composed of a communication chip of model BL3085B; the gateway audio output submodule is a circuit composed of an audio decoder chip of model WM8978; the gateway infrared receiver submodule is a circuit composed of an infrared receiver of model IRM-H638T; the gateway display submodule is a circuit composed of a display screen of model ILI9488; the gateway storage submodule is a circuit composed of a memory chip of model FM25V02 and a memory chip of model W25Q128FVSIG; the gateway control submodule is a circuit composed of a control chip of model STM32F407ZGT6; and the gateway network submodule is a circuit composed of an Ethernet chip of model W5500 and a network transformer chip of model HR601680.

[0021] The isolation barrier module includes an isolated audio submodule and an isolated network submodule;

[0022] The isolated audio submodule is used to isolate received audio data before sending it outwards; the isolated network submodule is used to isolate received network data before sending it outwards.

[0023] The isolated audio submodule is a circuit composed of an audio transformer; the isolated network submodule is a circuit composed of a network transformer chip of model HR601680.

[0024] The data monitoring system for the automated fireworks production line provided by this utility model monitors the temperature, humidity, and current data of the automated fireworks production line, and simultaneously monitors and releases static electricity from the workers on the automated fireworks production line. This not only achieves data monitoring of the automated fireworks production line, but also provides higher reliability and better safety. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the functional modules of the system of this utility model.

[0026] Figure 2 This is a schematic diagram of the circuit principle of the 12V output submodule in the system of this utility model.

[0027] Figure 3 This is a schematic diagram of the circuit principle of one circuit in the output voltage sampling submodule of the system of this utility model.

[0028] Figure 4 This is a schematic diagram of the circuit principle of one circuit in the output current sampling submodule of the system of this utility model.

[0029] Figure 5 This is a schematic diagram of the circuit principle of one circuit in the overvoltage and overcurrent protection submodule of the system of this utility model.

[0030] Figure 6 This is a schematic diagram of the circuit principle of the output control submodule in the system of this utility model.

[0031] Figure 7 This is a schematic diagram of the circuit principle of the electrostatic discharge power supply submodule in the system of this utility model.

[0032] Figure 8 This is a schematic diagram of the circuit principle of the electrostatic discharge control submodule in the system of this utility model.

[0033] Figure 9 This is a schematic diagram of the circuit principle of the electrostatic discharge communication submodule in the system of this utility model.

[0034] Figure 10 This is a schematic diagram of the circuit principle of the electrostatic discharge inductance submodule in the system of this utility model.

[0035] Figure 11 This is a schematic diagram of the circuit principle of the mechanical monitoring power supply submodule in the system of this utility model.

[0036] Figure 12This is a schematic diagram of the circuit principle of the mechanical monitoring current sampling submodule in the system of this utility model.

[0037] Figure 13 This is a schematic diagram of the circuit principle of the mechanical monitoring cable temperature sampling submodule in the system of this utility model.

[0038] Figure 14 This is a schematic diagram of the circuit principle of the mechanical monitoring and control submodule in the system of this utility model.

[0039] Figure 15 This is a schematic diagram of the circuit principle of the mechanical monitoring and communication submodule in the system of this utility model.

[0040] Figure 16 This is a schematic diagram of the circuit principle of the temperature and humidity power supply submodule in the system of this utility model.

[0041] Figure 17 This is a schematic diagram of the circuit principle of the temperature and humidity sensing submodule in the system of this utility model.

[0042] Figure 18 This is a schematic diagram of the circuit principle of the temperature and humidity control submodule in the system of this utility model.

[0043] Figure 19 This is a schematic diagram of the circuit principle of the temperature and humidity display submodule in the system of this utility model.

[0044] Figure 20 This is a schematic diagram of the circuit principle of the temperature and humidity communication submodule in the system of this utility model.

[0045] Figure 21 This is a schematic diagram of the circuit principle of the gateway power supply submodule in the system of this utility model.

[0046] Figure 22 This is a schematic diagram of the circuit principle of the gateway overvoltage protection submodule in the system of this utility model.

[0047] Figure 23 This is a schematic diagram of the circuit principle of the gateway communication submodule in the system of this utility model.

[0048] Figure 24 This is a schematic diagram of the circuit principle of the gateway audio interface submodule in the system of this utility model.

[0049] Figure 25 This is a schematic diagram of the circuit principle of the gateway audio output submodule in the system of this utility model.

[0050] Figure 26 This is a schematic diagram of the circuit principle of the gateway infrared receiver submodule in the system of this utility model.

[0051] Figure 27This is a schematic diagram of the circuit principle of the gateway display submodule in the system of this utility model.

[0052] Figure 28 This is a schematic diagram of the circuit principle of the gateway storage submodule in the system of this utility model.

[0053] Figure 29 This is a schematic diagram of the circuit principle of the gateway control submodule in the system of this utility model.

[0054] Figure 30 This is a schematic diagram of the circuit principle of the gateway network submodule in the system of this utility model.

[0055] Figure 31 This is a schematic diagram of the circuit principle of the isolated audio submodule in the system of this utility model.

[0056] Figure 32 This is a schematic diagram of the circuit principle of the isolation network submodule in the system of this utility model. Detailed Implementation

[0057] like Figure 1 The diagram shows the functional modules of the system of this utility model: This data monitoring system for an automated fireworks production line disclosed in this utility model includes an intrinsically safe power supply module, an electrostatic discharge module, a mechanical monitoring module, a temperature and humidity sensor module, a gateway module, and an isolation barrier module. The intrinsically safe power supply module is connected to an external power source. The output terminals of the electrostatic discharge module, the mechanical monitoring module, and the temperature and humidity sensor module are all connected to the input terminal of the gateway module, and the output terminal of the gateway module is connected to the input terminal of the isolation barrier module. The intrinsically safe power supply module is used to convert the externally input power into a power supply signal and power the electrostatic discharge module, the mechanical monitoring module, the temperature and humidity sensor module, the gateway module, and the isolation barrier module. Power supply; the electrostatic discharge module is used for static discharge by workers, and monitors the number of static discharges and uploads the data to the gateway module; the mechanical monitoring module is used to monitor the cable temperature and current data of the automated fireworks production line and upload the monitoring data to the gateway module; the temperature and humidity sensor module is used to monitor the temperature and humidity data of the automated fireworks production line and upload the monitoring data to the gateway module; the gateway module is used to receive signals uploaded by the electrostatic discharge module, the mechanical monitoring module, and the temperature and humidity sensor module, and forward the received signals to the isolation barrier module; the isolation barrier module is used to isolate the signals uploaded by the gateway module before sending them out to complete the data monitoring of the automated fireworks production line.

[0058] In practical implementation, the intrinsically safe power supply module includes a 12V output submodule, an output voltage sampling submodule, an output current sampling submodule, an overvoltage and overcurrent protection submodule, and an output control submodule. The 12V output submodule converts externally input electrical energy into 12V power and supplies it externally through the output control submodule. The output voltage sampling submodule samples the voltage of the output 12V power supply and uploads the sampling signal to the overvoltage and overcurrent protection submodule. The output current sampling submodule samples the current of the output 12V power supply and uploads the sampling signal to the overvoltage and overcurrent protection submodule. The overvoltage and overcurrent protection submodule performs overvoltage and overcurrent protection on the 12V power supply based on the received sampling signals and uploads the protection signal to the output control submodule. The output control submodule controls the output of the 12V power supply.

[0059] The electrostatic discharge module includes an electrostatic discharge power supply submodule, an electrostatic discharge control submodule, an electrostatic discharge communication submodule, and an electrostatic discharge induction submodule. The electrostatic discharge power supply submodule supplies power to the electrostatic discharge module. The electrostatic discharge induction submodule is used for electrostatic discharge by the worker, and monitors the number of discharges and uploads the data to the electrostatic discharge control submodule. The electrostatic discharge control submodule receives the uploaded number of electrostatic discharges and uploads the data to the gateway module through the electrostatic discharge communication submodule. The electrostatic discharge communication submodule is used for communication between the electrostatic discharge control submodule and the gateway module.

[0060] The mechanical monitoring module includes a mechanical monitoring power supply submodule, a mechanical monitoring current sampling submodule, a mechanical monitoring cable temperature sampling submodule, a mechanical monitoring control submodule, and a mechanical monitoring communication submodule. The mechanical monitoring power supply submodule supplies power to the mechanical monitoring module. The mechanical monitoring current sampling submodule monitors the current signal of the automated fireworks production line and uploads the monitoring signal to the mechanical monitoring control submodule. The mechanical monitoring cable temperature sampling submodule monitors the cable temperature signal of the automated fireworks production line and uploads the monitoring signal to the mechanical monitoring control submodule. The mechanical monitoring control submodule receives the uploaded monitoring signal and uploads the signal to the gateway module via the mechanical monitoring communication submodule. The mechanical monitoring communication submodule facilitates communication between the mechanical monitoring control submodule and the gateway module.

[0061] The temperature and humidity sensor module includes a temperature and humidity power supply submodule, a temperature and humidity sensing submodule, a temperature and humidity control submodule, a temperature and humidity display submodule, and a temperature and humidity communication submodule. The temperature and humidity power supply submodule supplies power to the temperature and humidity sensor module. The temperature and humidity sensing submodule monitors the temperature and humidity data of the automated fireworks production line and uploads the monitoring signals to the temperature and humidity control submodule. The temperature and humidity control submodule receives the uploaded monitoring signals and displays the temperature and humidity data through the temperature and humidity display submodule, while simultaneously uploading the temperature and humidity data to the gateway module through the temperature and humidity communication submodule. The temperature and humidity display submodule displays the temperature and humidity data. The temperature and humidity communication submodule facilitates communication between the temperature and humidity control submodule and the gateway module.

[0062] The gateway module includes a gateway power supply submodule, a gateway overvoltage protection submodule, a gateway communication submodule, a gateway audio interface submodule, a gateway audio output submodule, a gateway infrared receiver submodule, a gateway display submodule, a gateway storage submodule, a gateway control submodule, and a gateway network submodule. The gateway power supply submodule supplies power to the gateway module. The gateway overvoltage protection submodule provides overvoltage protection for the power signal output by the gateway power supply submodule. The gateway communication submodule receives signals from the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module, and forwards these signals to the gateway control submodule and the gateway network submodule. The gateway audio interface submodule is used for communication between the gateway audio output submodule and the gateway network submodule. Data transmission between the isolation barrier modules; the gateway audio output submodule receives audio signals and uploads them to the isolation barrier module via the gateway audio interface submodule; the gateway infrared receiver submodule receives externally transmitted infrared signals and uploads them to the gateway control submodule; the gateway display submodule receives data from the gateway control submodule and displays the data; the gateway storage submodule stores the data of the gateway module; the gateway control submodule controls the operation of the gateway module; the gateway network submodule receives data from the gateway control submodule and signals uploaded by the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module, and forwards the data to the isolation barrier module.

[0063] The isolation barrier module includes an isolated audio submodule and an isolated network submodule; the isolated audio submodule is used to transmit received audio data to the outside after isolation; the isolated network submodule is used to transmit received network data to the outside after isolation.

[0064] like Figure 2The diagram shows the circuit principle of the 12V output submodule in this system: The 12V output submodule is a circuit composed of a power chip of model VPC2187 (marked as U1 in the figure); the external power input is indicated by resistor R31 and LED D4, then protected by fuse F1 for overcurrent protection, then by protection diodes D1, D7 and D8 for overvoltage protection, and then filtered by capacitors C1 to C3 before being input to pins 1 and 2 of chip U1; pin 3 of the chip is the positive output terminal, directly outputting a stable 12V power signal, and pin 5 of the chip is the negative terminal and directly grounded; capacitors C4 to C6 are connected between the 12V power signal and ground for filtering.

[0065] like Figure 3 The diagram shown is a schematic of the circuit principle of one circuit in the output voltage sampling submodule of this utility model system: the output voltage sampling submodule is a circuit composed of a resistor voltage divider circuit, which includes three parallel voltage sampling circuits. The three voltage sampling circuits are all the same and are respectively the A-phase voltage sampling circuits (e.g., Figure 3 (As shown), the B-phase voltage sampling circuit and the C-phase voltage sampling circuit; Figure 3 In the circuit, the 12V power supply signal is grounded through resistors R21 and R23. The voltage across resistor R23 is used as the output value PRT_VOLA of the A-phase voltage sampling and is output externally. Capacitor C22 is connected in series between the voltage sampling signal and ground for filtering.

[0066] Adopted and Figure 3 The same circuit can be used to obtain the corresponding B-phase voltage sampling signal PRT_VOLB and C-phase voltage sampling signal PRT_VOLC.

[0067] like Figure 4 The diagram shows a schematic of one circuit in the output current sampling submodule of this invention: the output current sampling submodule is a sampling circuit composed of an operational amplifier and resistors; the output current sampling submodule includes three current sampling circuits connected in series, all three current sampling circuits are identical, and are connected in series between the output terminal and the intrinsically safe power supply module, used to sample the current three times; the three current sampling circuits are the A-phase current sampling circuit, the B-phase current sampling circuit, and the C-phase current sampling circuit (e.g., ...). Figure 4 (as shown); Figure 4In this circuit, terminal AA is the input terminal and is connected to the output terminal of the intrinsically safe power supply module, while terminal BB serves as the series connection terminal to the input terminal of the next current sampling circuit. The input voltage signal is divided by voltage divider resistors R42 and R41 and then input to the positive input terminal of the operational amplifier (model GS8091). The negative input terminal of the operational amplifier is connected to terminal BB through resistor R43. The output terminal of the operational amplifier outputs the sampling signal PRT_CURC to the overvoltage and overcurrent protection submodule. At the same time, the output terminal of the operational amplifier is also connected to the negative input terminal of the operational amplifier through resistor R45. Additionally, the output terminal of the operational amplifier is grounded and filtered through capacitor C35.

[0068] Adopted and Figure 4 The same circuit can be used to obtain the corresponding A-phase current sampling signal PRT_CURA and B-phase current sampling signal PRT_CURB.

[0069] like Figure 5 The diagram shown is a schematic diagram of one circuit in the overvoltage and overcurrent protection submodule of this utility model system: the overvoltage and overcurrent protection submodule is a circuit composed of a comparator chip of model TLV3202 and a timer chip of model CD4538; the overvoltage and overcurrent protection submodule includes three parallel and identical circuits, namely the A-phase overvoltage and overcurrent protection circuit (e.g. Figure 5 (As shown), the overvoltage and overcurrent protection circuit for phase B and the overvoltage and overcurrent protection circuit for phase C;

[0070] Figure 5 In this circuit, the 2.5V voltage signal output from the reference voltage source and the sampling signal PRT_CURA output from the A-phase current sampling circuit are compared by the comparator chip TLV3202 (marked as U2A in the diagram), and the comparison signal AAINPUT-A is output. This comparison signal is then connected to the base of the seventh switching transistor (transistor Q7, model SS8050Y1 in the diagram) through a current-limiting resistor R1. The emitter of Q7 is grounded, and the collector of Q7 directly outputs the A-phase control signal LOGICA. When PRT_CURA is greater than the set value, the output AAINPUT-A is high, at which point transistor Q7 is turned on, and the A-phase control signal LOGICA is low. When PRT_CURA is lower than the set value, the output AAINPUT-A is low, at which point transistor Q7 is turned off, and the A-phase control signal LOGICA is high.

[0071] The 2.5V voltage signal output from the reference voltage source and the sampling signal PRT_VOLA output from the A-phase voltage sampling circuit are compared by the comparator chip TLV3202 (marked as U3A in the diagram), and the comparison signal BAINPUT-A is output. This BAINPUT-A is then connected to the base of the eighth switching transistor (transistor Q8, model SS8050Y1 in the diagram) through the current-limiting resistor R3. The emitter of Q8 is grounded, and the collector of Q8 directly outputs the A-phase control signal LOGICA. When PRT_VOLA is greater than the set value, the output BAINPUT-A is high, at which point transistor Q8 is turned on, and the A-phase control signal LOGICA is low. When PRT_VOLA is lower than the set value, the output BAINPUT-A is low, at which point transistor Q8 is turned off, and the A-phase control signal LOGICA is high.

[0072] In addition, signals AAINPUT-A and BAINPUT-A are edge-triggered through bistable trigger U5 (model CD4538) to obtain corresponding trigger signals QAOUT-A and QBOUT-A;

[0073] The 2.5V voltage signal output from the reference voltage source is compared with QAOUT-A by the comparator chip TLV3202 (marked as U2B in the diagram). The output comparison signal is then connected to the base of the ninth switching transistor (transistor Q9, model SS8050Y1 in the diagram) through the current-limiting resistor R12. The emitter of Q9 is grounded, and the collector of Q9 directly outputs the A-phase control signal LOGICA. When QAOUT-A is greater than the set value, the output of the comparator chip TLV3202 is high, at which time transistor Q9 is turned on, and the A-phase control signal LOGICA is low. When QAOUT-A is lower than the set value, the output of the comparator chip TLV3202 is low, at which time transistor Q9 is turned off, and the A-phase control signal LOGICA is high.

[0074] The 2.5V voltage signal output from the reference voltage source is compared with QBOUT-A by the comparator chip TLV3202 (marked as U3B in the diagram). The output comparison signal is then connected to the base of the tenth switching transistor (transistor Q10, model SS8050Y1 in the diagram) through the current-limiting resistor R16. The emitter of Q10 is grounded, and the collector of Q10 directly outputs the A-phase control signal LOGICA. When QBOUT-A is greater than the set value, the output of the comparator chip TLV3202 is high, at which time transistor Q10 is turned on, and the A-phase control signal LOGICA is low. When QBOUT-A is lower than the set value, the output of the comparator chip TLV3202 is low, at which time transistor Q10 is turned off, and the A-phase control signal LOGICA is high.

[0075] Adopted and Figure 5 The same circuit can produce the corresponding B-phase control signal LOGICB and C-phase control signal LOGICC.

[0076] like Figure 6 The diagram shown is a schematic of the circuit principle of the output control submodule in this utility model system: the output control submodule is a switching circuit composed of transistors; the output control submodule includes three control subcircuits and an output indicator circuit;

[0077] In the A-phase control sub-circuit, the A-phase control signal LOGICA is connected to the base of the first transistor Q1 after being current-limited by resistor R5. The emitter of the first transistor Q1 is directly connected to the 12V power supply signal. The base of the first transistor Q1 is also connected to the 12V power supply signal through pull-up resistor R4. The collector of the first transistor Q1 is grounded through pull-down resistor R8. Simultaneously, the collector of the first transistor Q1 is the output terminal, which is directly connected to the control terminal of the second switching transistor Q2 through driver diode D2. One end of the movable terminal of the second switching transistor Q2 serves as... The output terminal is connected to the B-phase control sub-circuit. The other end of the active terminal of the second switch Q2 is directly connected to the 12V power supply signal. Capacitor C10 is used for filtering. When the A-phase control signal LOGICA is high, Q1 is cut off and Q2 is turned on, and the 12V power supply signal is directly input to the B-phase control sub-circuit. When the A-phase control signal LOGICA is low, Q1 is turned on and Q2 is cut off, and the 12V power supply signal is disconnected from the B-phase control sub-circuit. Therefore, the 12V power supply signal PWROUTC has no output.

[0078] In the B-phase control sub-circuit, the B-phase control signal LOGICB is connected to the base of the third transistor Q3 after being current-limited by resistor R10. The emitter of the third transistor Q3 is directly connected to the 12V power supply signal. The base of the third transistor Q3 is also connected to the 12V power supply signal through pull-up resistor R9. The collector of the third transistor Q3 is grounded through pull-down resistor R15. Simultaneously, the collector of the third transistor Q3 is the output terminal, which is directly connected to the control terminal of the fourth switch Q4 through driver diode D3. One end of the movable terminal of the fourth switch Q4... As the output terminal and connected to the C-phase control sub-circuit, the other end of the active terminal of the fourth switch Q4 is directly connected to the 12V power supply signal; capacitor C11 is used for filtering; when the B-phase control signal LOGICB is high, Q3 is cut off and Q4 is turned on, and the 12V power supply signal is directly input to the C-phase control sub-circuit; when the B-phase control signal LOGICB is low, Q3 is turned on and Q4 is cut off, and the 12V power supply signal is disconnected from the C-phase control sub-circuit, so the 12V power supply line signal PWROUTC has no output;

[0079] In the C-phase control sub-circuit, the C-phase control signal LOGICC is connected to the base of the fifth transistor Q5 after being current-limited by resistor R34. The emitter of the fifth transistor Q5 is directly connected to the 12V power supply signal. The base of the fifth transistor Q5 is also connected to the 12V power supply signal through pull-up resistor R33. The collector of the fifth transistor Q5 is grounded through pull-down resistor R37. Simultaneously, the collector of the fifth transistor Q5 is the output terminal, which is directly connected to the control terminal of the sixth switching transistor Q6 through driver diode D6. The movable terminal of the sixth switching transistor Q6... One end serves as the output terminal and is connected to the output indicator circuit. The other end of the active terminal of the sixth switch Q6 is directly connected to the 12V power supply signal. Capacitor C31 is used for filtering. When the C-phase control signal LOGICC is high, Q5 is cut off and Q6 is turned on, and the 12V power supply signal is directly input to the output indicator circuit. When the C-phase control signal LOGICC is low, Q5 is turned on and Q6 is cut off, and the 12V power supply signal is disconnected from the output indicator circuit, so the 12V power supply signal PWROUTC has no output.

[0080] The output indicator circuit includes resistor R32 and indicator light D5; the output 12V power line signal PWROUTC is grounded through resistor R32 and indicator light D5, thus indicating the output 12V power line signal; at the same time, the output 12V power line signal PWROUTC is powered externally through interface P2; finally, the negative terminal of indicator light D5 is connected to the output terminal of the output indicator circuit, which is the output terminal of the intrinsically safe power module and is connected to the output current sampling submodule.

[0081] like Figure 7 The diagram shows the circuit principle of the electrostatic discharge power supply submodule in this utility model system: The electrostatic discharge power supply submodule is a circuit composed of a power chip of model FR9889; the external power input signal is input through interface P4, and after overvoltage protection by resistor R16 and TVS diode D17, it is protected by fuse F1; then, the input power is protected by reverse protection by diodes D9 to D11 connected in series, and then by overvoltage protection by grounding through TVS diodes D12 to D14 connected in parallel, finally obtaining the input protection power signal;

[0082] The protection power signal is grounded and voltage-divided through resistors R11 and R12. The voltage across resistor R12 is then current-limited by resistor R13 and input to the control terminal of the first switching transistor Q1. The protection power signal is also connected to one end of the movable terminal of the first switching transistor Q1, while the other end directly outputs the power signal VIN. Simultaneously, the power signal VIN is grounded and filtered through grounding capacitors C11 and C12. When the device is powered on, the control pin of Q1 is high due to the action of C1, at which point Q1 is off and there is no power output to VIN. As time increases, C1 discharges through R12, the voltage at the control pin of Q1 slowly decreases, and Q1 gradually turns on, allowing the power signal VIN to be output normally.

[0083] The power signal VIN is connected to pin 2 of the power chip U5 (model FR9889). Pin 1 of the chip is connected to pin 3 of the chip's output pin through capacitor C10. Pin 3 of the chip outputs a 3.3V voltage signal, which is filtered by inductor L2 and capacitor C13 before being output as a 3.3V power signal to supply power. Simultaneously, the output 3.3V power signal is sampled to ground through resistors R8 and R9, and the sampled signal is fed back to pin 5 of the chip to ensure a stable power supply from chip U5. Pin 7 of the chip is connected to the power signal VIN through pull-up resistor R3. Pin 8 of the chip is grounded through capacitor C9. Pin 9 of the chip is the ground pin and is directly grounded.

[0084] In addition, the 3.3V power signal is output to the ground through three parallel TVS diodes D6 to D8, and overvoltage protection is provided.

[0085] like Figure 8 The diagram shows the circuit principle of the electrostatic discharge control submodule in this system: The electrostatic discharge control submodule is a circuit composed of a control chip of model STM32G030C8T6 (marked U3 in the figure); pin 3 of chip U3 is the power supply pin and is directly connected to the 3.3V power signal; pin 7 of chip U3 is the ground pin and is directly grounded; pin 10 of chip U3 is the reset pin, which is grounded through capacitor C6 and also connected to the 3.3V power signal through pull-up resistor R1 to ensure that the pin is in a high-level state; pins 29, 32 and 34 of chip U3 are communication pins, which are directly connected to the electrostatic discharge communication submodule for data interaction; pin 39 of chip U3 is the input pin, which is connected to the electrostatic discharge induction submodule to acquire the uploaded electrostatic induction monitoring signal.

[0086] like Figure 9The diagram shows the circuit principle of the electrostatic discharge communication submodule in this system: The electrostatic discharge communication submodule is a communication circuit composed of a communication module (marked U1 in the figure) made of a chip of model BL3085B; pins 1, 2 and 3 of module U1 are communication pins, which are directly connected to pins 21, 29 and 34 of the control chip in the electrostatic discharge control submodule for data interaction; pin 4 of module U1 is a power supply pin, which is directly connected to the 3.3V power supply signal and draws power; pin 5 of module U1 is a grounding pin and is directly grounded; pins 8 and 9 of module U1 are the second communication pins, and the output signal is protected against overvoltage by D2, D15 and D18, and then connected to port P3 through overcurrent protection resistors R14 and R15. Port P3 is used to connect to the gateway module for data interaction.

[0087] like Figure 10 The diagram shows the circuit principle of the electrostatic discharge induction submodule in this system: The electrostatic discharge induction submodule is a circuit composed of a chip of model ICM7555MM / TR; pin 1 of the chip is directly grounded; pins 2 and 6 of the chip are directly shorted and connected to the electrostatic discharge induction point T2; the electrostatic discharge point T2 is used by the worker to touch it to realize electrostatic discharge induction; at the same time, pins 2 and 6 of the chip are low potential and high potential detection pins, respectively, to detect the voltage in the induction capacitor of T2, and release the charge in the induction capacitor of T2 through pin 7, thereby realizing the detection of electrostatic discharge based on the detected change in the induction capacitor; pin 3 of the chip is an output pin, which directly outputs the electrostatic induction monitoring signal KEY1 and uploads it to pin 39 of the control chip in the electrostatic discharge control submodule; pin 4 of the chip is a reset signal pin, which is directly connected to the power supply signal 3.3V to ensure the stability of the pin level; pin 8 of the chip is a power supply pin, which is directly connected to the power supply signal 3.3V and takes a point; pin 7 of the chip is a discharge pin, which is connected to the electrostatic induction point T2 through resistor R5 for the electrostatic discharge induction of the worker.

[0088] like Figure 11 The diagram shows the circuit principle of the mechanical monitoring power supply submodule in this utility model system: The mechanical monitoring power supply submodule is a circuit composed of a power chip of model FR9889; the externally input power signal is filtered by inductors L2 and L3; after inductor filtering, one pole of the input power supply is protected against overcurrent by F1, and then protected against reverse current by diodes D9 to D11 connected in series; the other pole of the input power supply is protected against soft start by switching transistor Q1 and resistors R28, R29, R30, and C35; after soft start protection, the input power signal is protected against overvoltage by TVS diodes D12 to D14, and then the protection power signal VIN is output; the protection power signal VIN is also filtered to ground by capacitors C31 and C32;

[0089] The protection power signal VIN is input to pin 2 of the power chip U5 (model FR9889); pin 1 of chip U5 is connected to pin 3 of chip U5 through capacitor C28; pin 4 of chip U5 is the ground pin and is directly grounded; pin 3 of chip U5 is the output pin, which directly outputs the power signal, and after filtering by inductor L1, a stable 3.3V power signal is obtained; at the same time, the stable 3.3V power signal is also grounded and filtered through capacitor C29, and the stable 3.3V power signal is also grounded through resistors R25 and R26 and voltage sampling is performed. The voltage sampling data is uploaded to pin 5 of chip U5 as feedback, so that chip U5 can output a stable power signal; pin 7 of chip U5 is directly connected to the protection power signal VIN through pull-up resistor R24; pin 8 of chip U5 is grounded through capacitor C17; pin 9 of chip U5 is the ground pin and is directly grounded; finally, the stable 3.3V power signal is also grounded through diodes D6 to D8 for overvoltage protection.

[0090] like Figure 12The diagram shows the circuit principle of the mechanical monitoring current sampling submodule in this utility model system: The mechanical monitoring current sampling submodule is a circuit composed of a metering chip of model RN8032 (marked U2 in the figure); P2 in the figure is an interface used to connect four external current sensors, where pins 1 and 2 are connected to the first current sensor, pins 3 and 4 are connected to the second current sensor, pins 5 and 6 are connected to the third current sensor, and pins 7 and 8 are connected to the fourth current sensor; the signal from the first current sensor passes through resistors R10, R15, and R1... 9. The signal from the first current sensor is filtered by an RC filter circuit consisting of resistors R20 and capacitors C26 and C27 before being sent to pins 19 and 20 of the metering chip. Similarly, the signal from the second current sensor is filtered by an RC filter circuit consisting of resistors R13, R14, R16, R17 and capacitors C13 and C14 before being sent to pins 10 and 11 of the metering chip. The signal from the third current sensor is filtered by an RC filter circuit consisting of resistors R8, R9, R11, R12 and capacitors C11 and C12 before being sent to the metering chip. Pins 7 and 8 of the metering chip; the signal from the fourth current sensor is filtered by an RC filter circuit consisting of resistors R3, R4, R6, R7 and capacitors C9 and C10 before being uploaded to pins 4 and 5 of the metering chip; pin 3 of the metering chip is connected to the reference power supply Vref; pins 20 and 21 of the metering chip are directly grounded; pin 28 of the metering chip is the power supply pin, which is directly connected to the 3.3V power supply signal and draws power from it; pin 29 of the metering chip is the ground pin and is directly grounded; pins 36 and 37 of the metering chip are the crystal oscillator signal input pins, which... The crystal oscillator circuit consisting of crystal oscillator Y1, resistor R2, and capacitors C18 and C19 is directly connected to obtain the crystal oscillator signal; pins 40 to 42 of the metering chip are directly connected to the 3.3V power supply signal; pins 43 and 44 of the metering chip are directly grounded; pins 31 to 35 of the metering chip are communication pins, of which pin 31 is the interrupt pin, pins 32 and 35 are communication signal pins, pin 33 is the clock signal pin, and pin 34 is the control signal pin; pins 31 to 35 of the metering chip are all connected to the communication pins of the mechanical monitoring and control submodule for data exchange.

[0091] like Figure 13 The diagram shows the circuit principle of the mechanical monitoring cable temperature sampling submodule in this utility model system: the mechanical monitoring cable temperature sampling submodule is a circuit composed of a DS18B20 temperature sensor; the detection signal output by the temperature sensor is represented as DS18B20 and uploaded to the mechanical monitoring control submodule; at the same time, the pin of the detection signal is connected to a 3.3V power supply signal through a pull-up resistor R27 to ensure the level stability of the detection signal pin.

[0092] like Figure 14The diagram shows the circuit principle of the mechanical monitoring and control submodule in this utility model system: The mechanical monitoring and control submodule is a circuit composed of a control chip of model STM32G030C8T6 (marked as U3 in the figure); pins 2 and 3 of the control chip U3 are crystal oscillator signal pins, which are connected to the crystal oscillator circuit composed of crystal oscillator Y2, capacitors C33 and C34, and obtain the crystal oscillator signal; pins 4, 5 and 6 of the control chip U3 are power supply pins, which directly draw power from the 3.3V power supply signal; pin 7 of the control chip U3 is directly grounded; pin 10 of the control chip U3 is the reset signal pin, which is directly connected to the pull-up resistor. R23 is connected to a 3.3V power supply signal to ensure the stability of the pin level; pins 15-19 of control chip U3 are communication pins, which are directly connected to pins 34, 33, 32, 35, and 31 of the metering chip RN8032 in the mechanical monitoring current sampling submodule for data exchange; pins 29, 32, and 34 of control chip U3 are the second communication pins, which are directly connected to the mechanical monitoring communication submodule for data exchange; pin 40 of control chip U3 is the input signal pin, which is directly connected to the cable temperature monitoring signal DS18B20 uploaded by the mechanical monitoring cable temperature sampling submodule.

[0093] like Figure 15 The diagram shows the circuit principle of the mechanical monitoring and communication submodule in this utility model system: The mechanical monitoring and communication submodule is a communication circuit composed of a communication module U1 made of a BL3085B chip; chip U4 is a power supply chip, model B0305S; pin 1 of chip U4 is directly grounded, pin 2 of chip U4 is the input power signal pin, which is directly connected to the 3.3V power signal and draws power; pin 3 of chip U4 is the ground pin for RS485 communication and is connected to the RS485 communication ground; pin 4 of chip U4 is the power output pin, which directly outputs the RS485 communication power signal VCC-485 and supplies power to the communication chip U1; communication... Pins 1, 2, and 3 of chip U1 are communication pins, which are directly connected to pins 32 and 29 of the control chip in the mechanical monitoring and control submodule for data exchange. Pin 4 of communication chip U1 is the communication power signal, which is directly connected to the 3.3V power supply signal for power. Pin 5 of communication chip U1 is the ground pin and is directly grounded. Pin 6 of communication chip U1 is the RS485 communication ground pin and is connected to the RS485 communication ground. Pin 7 of communication chip U1 is the RS485 communication power supply pin and is connected to pin 4 of power chip U4 for power. Pins 8 and 9 of communication chip U1 are communication pins, which are directly connected to the gateway module for data exchange.

[0094] like Figure 16The diagram shows the circuit principle of the temperature and humidity power supply submodule in this utility model system: The temperature and humidity power supply submodule is a circuit composed of a power chip of model FR9889; the externally input power signal is filtered by inductors L2 and L3; after inductor filtering, one terminal of the input power supply is protected against overcurrent by F1, and then protected against reverse current by diodes D8 to D10 connected in series; the other terminal of the input power supply is protected against soft start by switching transistor Q1, capacitor C11, and resistors R11, R12, and R13; after soft start protection, the input power signal is protected against overvoltage by TVS diodes D11 to D13, and then the protection power signal VIN is output; the protection power signal VIN is also filtered to ground by capacitors C9 and C10;

[0095] The protection power signal VIN is input to pin 2 of the power chip U5 (model FR9889); pin 1 of chip U5 is connected to pin 3 of chip U5 through capacitor C6; pin 4 of chip U5 is the ground pin and is directly grounded; pin 3 of chip U5 is the output pin, which directly outputs the power signal, and after filtering by inductor L1, a stable 3.3V power signal is obtained; at the same time, the stable 3.3V power signal is also grounded and filtered through capacitor C7, and the stable 3.3V power signal is also grounded through resistors R6 and R8 and voltage sampling is performed. The voltage sampling data is uploaded to pin 5 of chip U5 as feedback, so that chip U5 can output a stable power signal; pin 7 of chip U5 is directly connected to the protection power signal VIN through pull-up resistor R5; pin 8 of chip U5 is grounded through capacitor C5; pin 9 of chip U5 is the ground pin and is directly grounded; finally, the stable 3.3V power signal is also grounded through diodes D5 to D7 for overvoltage protection.

[0096] like Figure 17 The diagram shows the circuit principle of the temperature and humidity sensing submodule in this invention: The temperature and humidity sensing submodule is a circuit composed of a temperature and humidity sensor of model HDC1080; the detection signals output by the temperature and humidity sensor HDC1080 are bus signals SDA and SCL; the bus signals SDA and SCL are connected to the 3.3V power supply signal through pull-up resistors R3 and R2 respectively to ensure the stability of the pin level; at the same time, the bus signals SDA and SCL are also directly connected to the communication pin of the temperature and humidity control submodule for data exchange.

[0097] like Figure 18The diagram shows the circuit principle of the temperature and humidity control submodule in this system: The temperature and humidity control submodule is a circuit composed of a control chip of model STM32G030C8T6 (marked U2 in the diagram); pins 4 to 6 of the control chip U2 are power signal pins, directly connected to the 3.3V power supply signal for power generation; pin 7 of the control chip U2 is directly grounded; pin 10 of the control chip U2 is a reset signal pin, which is connected to the 3.3V power supply signal through a pull-up resistor R1 to ensure the stability of the pin level; simultaneously, the control chip U2's... Pin 10 is also grounded and filtered through filter capacitor C1; pins 15, 16, and 18 of control chip U2 are communication pins, which are connected to the temperature and humidity display submodule and perform data interaction to enable the temperature and humidity display submodule to work; pins 29, 32, and 34 of control chip U2 are the second communication pins, which are directly connected to the temperature and humidity communication submodule and perform data interaction; pins 45 and 46 of control chip U2 are the third communication pins, which are directly connected to the bus signals (detection signals) SCL and SDA uploaded by the temperature and humidity sensing submodule and perform data interaction.

[0098] like Figure 19 The diagram shows the circuit principle of the temperature and humidity display submodule in this system: The temperature and humidity display submodule is a circuit composed of an LCD driver chip of model HT1621B (marked U4 in the figure) and a display screen of model QYT12429 (marked D4 in the figure); pins 9, 11, and 12 of the LCD driver chip U4 are communication pins, which are directly connected to pins 15, 16, and 18 of the control chip in the temperature and humidity control submodule for data exchange; pin 13 of the LCD driver chip U4 is a ground pin and is directly grounded; pin 17 of the LCD driver chip U4 is a power supply pin, which is directly connected to a 3.3V power signal for power supply; pins 21 to 24 of the LCD driver chip U4 are common terminal pins, which are directly connected to common terminal pins 1 to 4 of the display screen; pins 8 to 1 and pins 48 to 41 of the LCD driver chip U4 are drive pins, which are directly connected to pins 5 to 20 of the display screen in sequence for data output.

[0099] like Figure 20The diagram shows the circuit principle of the temperature and humidity communication submodule in this system: The temperature and humidity communication submodule is a communication circuit composed of a communication module (marked U1 in the diagram) consisting of a BL3085B chip; chip U3 is a power supply chip, model B0305S; pin 1 of chip U3 is directly grounded, pin 2 of chip U3 is the input power signal pin, which is directly connected to the 3.3V power signal and draws power; pin 3 of chip U3 is the ground pin for RS485 communication and is connected to the RS485 communication ground; pin 4 of chip U3 is the power output pin, which directly outputs the RS485 communication power signal VCC-485 and supplies power to the communication chip U1. Pins 1, 2, and 3 of communication chip U1 are communication pins, which are directly connected to pins 32 and 29 of the control chip of the temperature and humidity control submodule for data exchange; pin 4 of communication chip U1 is the communication power signal, which is directly connected to the 3.3V power signal for power supply; pin 5 of communication chip U1 is the ground pin and is directly grounded; pin 6 of communication chip U1 is the RS485 communication ground pin and is connected to the RS485 communication ground; pin 7 of communication chip U1 is the RS485 communication power pin and is connected to pin 4 of power chip U4 for power supply; pins 8 and 9 of communication chip U1 are communication pins, which are directly connected to the gateway module for data exchange.

[0100] like Figure 21 The diagram shows the circuit principle of the gateway power submodule in this utility model system: The gateway power submodule is a circuit composed of a power chip of model FR9609 (marked as U1 in the figure); the externally input power signal is protected against overcurrent by self-resetting fuses R19 and R20, then protected against overvoltage by TVS diodes D22, D29 and D4, filtered by a common-mode inductor, and then protected against overcurrent by fuse F1, reverse protection by diodes D1 to D3, and overvoltage protection by diodes D5 to D7. Finally, it is protected against soft start by capacitor C12, resistors R3, R18, R4 and switching transistor Q1, and finally outputs the protection power signal VDD;

[0101] The protection power signal VDD is directly input to pin 2 of power chip U1; pin 1 of power chip U1 is directly connected to pin 3 of power chip U1 through capacitor C2; pin 3 of power chip U1 is the power output pin, and its output power signal is filtered by inductor L2 to output a stable 3.3V power signal; pin 4 of power chip U1 is the ground pin and is directly grounded; the stable 3.3V power signal output by power chip U1 is grounded and filtered through capacitor C7, and the stable 3.3V power signal is also sampled by voltage divider resistors R7 and R8, and the sampled signal is fed back to the feedback pin 5 of power chip U1 so that power chip U1 can output a stable power signal; pin 7 of power chip U1 is connected to the power signal through pull-up resistor R5; pin 8 of power chip U1 is directly grounded through capacitor C1; pin 9 of power chip U1 is the ground pin and is directly grounded.

[0102] like Figure 22 The diagram shows the circuit principle of the gateway overvoltage protection submodule in this utility model system: the gateway overvoltage protection submodule is a circuit composed of TVS diodes; the 3.3V power signal is grounded through three parallel, identical protection circuits; the first protection circuit in the diagram includes TVS diode D16, resistors R12 and R15, capacitor C11 and bidirectional switch Q2; the second protection circuit includes TVS diode D15, resistors R11 and R14, capacitor C10 and bidirectional switch Q4; the third protection circuit includes TVS diode D14, resistors R10 and R13, capacitor C9 and bidirectional switch Q3;

[0103] In the first protection circuit, the 3.3V power signal is grounded through TVS diode D16 and resistor R15; the cathode of TVS diode D16 is connected to the control terminal of bidirectional switch Q2 through resistor R12; the control terminal of bidirectional switch Q2 is also grounded and filtered through capacitor C11; when the power signal fails and is too high, TVS diode D16 is broken down, and the cathode voltage of TVS diode D16 is directly clamped to 2.7V; therefore, bidirectional switch Q2 is turned on, and the power signal is forced to a low signal to ground to achieve forced protection when the power signal is too high.

[0104] In the second protection circuit, the 3.3V power signal is grounded through TVS diode D15 and resistor R14; the cathode of TVS diode D15 is connected to the control terminal of bidirectional switch Q4 through resistor R11; the control terminal of bidirectional switch Q4 is also grounded and filtered through capacitor C10; when the power signal fails and is too high, TVS diode D15 is broken down, and the cathode voltage of TVS diode D15 is directly clamped to 2.7V; therefore, bidirectional switch Q4 is turned on, and the power signal is forced to be pulled low to ground to achieve forced protection when the power signal is too high.

[0105] In the third protection circuit, the 3.3V power signal is grounded through TVS diode D14 and resistor R13; the cathode of TVS diode D14 is connected to the control terminal of bidirectional switch Q3 through resistor R10; the control terminal of bidirectional switch Q3 is also grounded and filtered through capacitor C9; when the power signal fails and is too high, TVS diode D14 is broken down, and the cathode voltage of TVS diode D14 is directly clamped to 2.7V; therefore, bidirectional switch Q4 is turned on, and the power signal is forced to be pulled low to ground to achieve forced protection when the power signal is too high.

[0106] like Figure 23 The diagram shows the circuit principle of the gateway communication submodule in this utility model system: The gateway communication submodule is a communication circuit composed of a communication module U1 made of a BL3085B chip; chip U3 is a power supply chip, model B0305S; pin 1 of chip U3 is directly grounded, pin 2 of chip U3 is the input power signal pin, which is directly connected to the 3.3V power signal and draws power; pin 3 of chip U3 is the ground pin for RS485 communication and is connected to the RS485 communication ground; pin 4 of chip U3 is the power output pin, which directly outputs the RS485 communication power signal VCC-485 and supplies power to communication chip U2; pins 1, 2, and 3 of communication chip U2 are communication pins, which are directly connected to the gateway control submodule for data interaction; Pin 4 of communication chip U2 is the communication power signal, which is directly connected to the 3.3V power supply and draws power from it; pin 5 of communication chip U2 is the ground pin and is directly grounded; pin 6 of communication chip U2 is the RS485 communication ground pin and is connected to the RS485 communication ground; pin 7 of communication chip U2 is the RS485 communication power pin and is connected to pin 4 of power chip U4 and draws power from it; pins 8 and 9 of communication chip U2 are communication pins, which are protected by diodes D11-D13, grounded by diodes D26 and D27, and overcurrent protected by resistors R9 and R6, and connected to the isolation network submodule for data interaction; in addition, the RS485 communication power signal VCC-485 is grounded and filtered by diodes D17-D19.

[0107] like Figure 24 The diagram shows the circuit principle of the gateway audio interface submodule in this utility model system: the audio signal AUDIOOUT output by the gateway audio output submodule is protected against overcurrent by resistors R1 and R2, then protected against overvoltage by TVS diode D20, then protected against overcurrent by resistors R16 and R17, and protected against grounding overvoltage by diodes D21 and D23, and finally uploaded to the isolated audio submodule through interface Header4.

[0108] like Figure 25The diagram shows the circuit schematic of the gateway audio output submodule in this system: The gateway audio output submodule is a circuit composed of an audio decoder chip of model WM8978 (marked U4 in the diagram); pin 26 of the audio decoder chip U4 is connected to the 3.3V power supply signal through pull-up resistor R1, and is also grounded and filtered through capacitors C1 and C2; pin 31 of the audio decoder chip U4 is the power supply pin, which is directly connected to the 3.3V power supply signal and draws power, and is also grounded and filtered through capacitors C4 and C5; pins 13 and 14 of the audio decoder chip U4 are digital power supply pins, which are connected to the power supply signal through resistor R4. The signal is powered by 3.3V and is also grounded and filtered through capacitors C9 and C10. Pins 12, 24, 33, and 28 of the audio decoder chip U4 are ground pins and are directly grounded. Pins 7, 8, 9, 10, and 11 of the audio decoder chip U4 are communication pins, which are directly connected to the gateway control submodule for data exchange. Pins 16 and 17 of the audio decoder chip U4 are second communication pins, which are directly connected to the gateway submodule for data exchange. At the same time, pins 16 and 17 of the audio decoder chip U4 are also connected to the power signal through pull-up resistors R65 and R66 to ensure the stability of the pin level. Pin 27 of the audio decoder chip U4 is grounded through capacitors C23 and C24, and also through resistors R8, R10, and C22. Pins 1, 2, 4, and 5 of the audio decoder chip U4 are audio input interfaces, which are connected to interface MK1 and receive audio input. Pins 23 and 25 of the audio decoder chip U4 are audio output pins. The audio signals directly output are filtered by capacitors C3 and C6 to obtain the audio signal AUDIOOUT. At the same time, the audio signal AUDIOOUT is also connected to the analog ground signal AGND through TVS diodes D20 to D22 for overvoltage protection.

[0109] like Figure 26 The diagram shows the circuit principle of the gateway infrared receiver submodule in this utility model system: The gateway infrared receiver submodule is a circuit composed of an infrared receiver head of model IRM-H638T; pins 1 and 2 of the infrared receiver head IRM-H638T are both ground pins and are directly grounded; pin 4 of the infrared receiver head IRM-H638T is the power signal and is directly connected to the 3.3V power supply; pin 3 of the infrared receiver head IRM-H638T is the output signal pin, and the output infrared signal is impedance matched through resistors Rir1 and Rir-1 to obtain the infrared signal IR_REMOTE and upload it to the gateway control submodule.

[0110] like Figure 27The diagram shows the circuit schematic of the gateway display submodule in this system: the gateway display submodule is a circuit composed of a display screen of model ILI9488; pin 5 of the display screen ILI9488 is a ground pin and is directly grounded; pins 6 and 7 of the display screen ILI9488 are power supply pins and are directly connected to the 3.3V power signal for power supply; pins 9, 10, 11, 12, and 15 of the display screen ILI9488 are display control pins, which are directly connected to the gateway control submodule. The display control module acquires display control signals; pins 17-24 of the ILI9488 display are display data pins, which are directly connected to the grid control submodule and acquire display data signals; pin 33 of the ILI9488 display is an indicator light pin, which is directly connected to the 3.3V power supply signal through current limiting resistor R42, switching transistor Q1 and resistor R14; pins 38 and 39 of the ILI9488 display are directly grounded; pins 34-37 and 40-42 of the ILI9488 display are also directly grounded.

[0111] like Figure 28 The diagram shows the circuit principle of the gateway storage submodule in this utility model system: the gateway storage submodule is a circuit composed of a storage chip of model FM25V02 (marked U2 in the figure) and a storage chip of model W25Q128FVSIG (marked U5 in the figure);

[0112] Pin 1 of memory chip U2 is the enable signal pin, which connects to the gateway control submodule and obtains the enable signal SPI3_NSS2; pins 2 and 5 of memory chip U2 are communication data pins (communication data signals are SPI3_MISO and SPI3_MOSI), which directly connect to the gateway control submodule for data exchange; pin 6 of memory chip U2 is the clock signal pin, which directly connects to the gateway control submodule and obtains the clock signal SPI3_SCK; pins 3 and 4 of memory chip U2 are directly grounded; pin 7 of memory chip U2 is the reset signal pin, which is directly connected to the 3.3V power supply signal to ensure the stability of the pin level; pin 8 of memory chip U2 is the power supply pin, which is directly connected to the 3.3V power supply signal for power; at the same time, pin 8 of memory chip U2 is also grounded and filtered through grounding capacitor C12.

[0113] Similarly, pin 1 of memory chip U5 is the enable signal pin, which connects to the gateway control submodule and obtains the enable signal SPI3_NSS; pins 2 and 5 of memory chip U5 are communication data pins (communication data signals are SPI3_MISO and SPI3_MOSI), which directly connect to the gateway control submodule for data interaction; pin 6 of memory chip U5 is the clock signal pin, which directly connects to the gateway control submodule and obtains the clock signal SPI3_SCK; pins 3 and 4 of memory chip U5 are directly grounded; pin 7 of memory chip U5 is the reset signal pin, which is connected to the 3.3V power supply signal through pull-up resistor R15 to ensure the stability of the pin level; pin 8 of memory chip U5 is the power supply pin, which is directly connected to the 3.3V power supply signal for power.

[0114] like Figure 29 The diagram shows the circuit schematic of the gateway control submodule in this system: The gateway control submodule is a circuit composed of a control chip of model STM32F407ZGT6 (identified as U1 in the diagram); pins 41, 42, 43, 44, 49, and 50 of the control chip U1 are the first communication pins, which connect to the gateway network submodule and perform data interaction; pins 110, 133, 134, 135, and 132 of the control chip U1 are the second communication pins, of which pin 110 outputs the enable signal SPI3_NSS and controls... Figure 28 The operation of the memory chip U5 involves pin 132 outputting the enable signal SPI3_NSS2 and controlling... Figure 28 The operation of the memory chip U2; pin 133 of the control chip U1 is the clock signal pin, and pins 134 and 135 of the control chip U1 are data pins, and are connected to... Figure 28 The communication pins of memory chips U2 and U5 are used for data exchange; pins 69 and 70 of control chip U1 are communication data pins, which are directly connected to... Figure 23 Pins 2 and 1 of the communication chip U2; pins 139 and 140 of the control chip U1 are communication pins, which are directly connected to the gateway audio output submodule. Figure 25 Pins 16 and 17 of chip U4 and pins 73, 74, 28, 29, and 96 of control chip U1 are communication pins, which are directly connected to the gateway audio output submodule. Figure 25 Pins 7-11 of chip U4 and pins 117, 118, 119, 123, and 80 of control chip U1 are display control pins, which connect to the gateway display submodule. Figure 27 Pins 15, 12, 11, 9, and 10 of U9 output control signals; pins 85, 86, 114, 115, 58, 59, 60, and 63 of control chip U1 are data pins, which connect to the gateway display submodule. Figure 27Pins 17-24 of U9 are used to output display data signals; pins 16, 38, 51, 61, 83, 94, 107, 120, and 130 of control chip U1 are all ground pins and are directly grounded; pin 71 of control chip U1 is grounded through capacitor C37; pin 143 of control chip U1 is directly connected to the 3.3V power supply signal; pins 17, 52, 39, 62, 72, 84, 95, 108, 121, 131, and 144 of control chip U1 are all power supply pins and are directly connected to the 3.3V power supply signal for power draw; pin 31 of control chip U1 is directly grounded; pins 30, 33, and 32 of control chip U1 are grounded. The power supply pin is connected to a 3.3V power signal and draws power from it; pin 25 of the control chip U1 is the reset signal pin, which is connected to the power signal through a pull-up resistor R12 to ensure the stability of the pin level; pins 23 and 24 of the control chip U1 are crystal oscillator pins, which are connected to the crystal oscillator circuit composed of crystal oscillator Y2, capacitors C16 and C21, and obtain the crystal oscillator signal; pin 90 of the control chip U1 is the indicator signal pin, which is connected to the 3.3V power signal through a resistor R20 and an LED D4; the operation of the control chip U1 is indicated by the display status of the indicator light D4; pin 11 of the control chip U1 is the remote control signal pin, which is connected to the gateway infrared receiver sub-module and receives the infrared signal IR_REMOTE.

[0115] like Figure 30 The diagram shows the circuit principle of the gateway network submodule in this utility model system: The gateway network submodule is a circuit composed of an Ethernet chip of model W5500 (marked as U3A and U3B in the figure) and a network transformer chip of model HR601680 (marked as L1 in the figure).

[0116] Pins 32, 33, 34, and 35 of the Ethernet chip U3A are communication pins, connected to pins 44, 41, 42, and 43 of the control chip in the gateway control submodule for data exchange. Pin 36 of the Ethernet chip U3A is an interrupt signal pin, connected to pin 49 of the control chip in the gateway control submodule to obtain an interrupt signal. Pin 37 of the Ethernet chip U3A is a reset signal pin, connected to pin 50 of the control chip in the gateway control submodule to obtain a reset signal. Simultaneously, pins 32, 36, and 37 of the Ethernet chip U3A are all connected to a 3.3V power supply signal through their respective pull-up resistors to ensure the pins... Stability of pin levels; pins 30 and 31 of Ethernet chip U3A are crystal oscillator signal pins, which are connected to a crystal oscillator circuit consisting of crystal oscillator Y3, resistor R58, and capacitors C29 and C30, and acquire crystal oscillator signals; pins 23, 38, 39, 40, 41, and 42 of Ethernet chip U3A are all grounded through their respective pull-down resistors (R32, R35, R39, R40, R41, and R57); pins 1, 2, 5, and 6 of Ethernet chip U3A are communication pins, which are connected to network transformer chip L1 through their respective matching resistors (R21, R22, R25, and R28) and perform data exchange;

[0117] Ethernet chip U3B's pins 3, 9, 14, 16, 19, and 48 are all directly grounded; Ethernet chip U3A's pin 29 is directly grounded; Ethernet chip U3A's pin 28 is a power supply pin, directly connected to a 3.3V power signal and powered by it; Ethernet chip U3A's pins 4, 8, 11, 15, 17, and 21 are power supply pins, directly connected to the power signal VCC3.3E and powered by it.

[0118] Pins 1, 3, 6, and 7 of network transformer chip L1 are filtered by their respective filter capacitors (C55, C56, C57, and C58) and then connected to pins 1, 2, 5, and 6 of Ethernet chip U3A. Pin 2 of network transformer chip L1 is connected to the 3.3V power supply signal through pull-up resistor R61. Pin 7 of network transformer chip L1 is grounded through a capacitor. Pins 6 and 8 of network transformer chip L1 are grounded through TVS diodes D7 and D8 for overvoltage protection. Network transformer chip L1 requires an independent power supply; therefore, its power supply is VCC3.3E. This power supply signal VCC3.3E is connected and isolated from the normal power supply signal 3.3V through inductor L5. Pins 9, 11, 14, and 16 of network transformer chip L1 are communication pins, which are connected to the isolated network submodule through interface J2 and interact with the outside world through the isolated network submodule.

[0119] like Figure 31The diagram shows the circuit principle of the isolated audio submodule in this utility model system: the isolated audio submodule is a circuit composed of an audio transformer; the dotted lines in the figure are dividing lines, dividing the circuit into several parts; from left to right in the figure, the divided parts are, in order, the output port is not divided, the bridge rectifier and Zener diode part, the metal film resistor matching part, the TVS tube protection part, the one-time fuse protection part, the isolation transformer part, the gas discharge tube part, and the input port part;

[0120] The input port connects to the gateway audio output submodule and acquires the audio output signal. The acquired audio signal is protected by the gas discharge tube EPCOS1, the isolation transformer T1, the one-time fuses F1 and F2 for overcurrent protection, the TVS tubes D7 to D9 for overvoltage protection, the resistors R1 and R2 for impedance matching, and the bridge rectifier and Zener diodes D1 to D3 for voltage regulation protection. Finally, a safe audio signal is output to the outside through the connector P1.

[0121] like Figure 32 The diagram shows the circuit principle of the isolation network submodule in this system: the isolation network submodule is a circuit composed of a network transformer chip of model HR601680; the dotted lines in the figure divide the circuit into several parts; from left to right in the figure, they are the input port part, the gas discharge tube part, the network transformer part, the self-resetting fuse part, the TVS overvoltage protection part, the metal film resistor matching part, the bridge rectifier and Zener diode protection part, and the output port part;

[0122] Input port P1 connects to the gateway network submodule and obtains the corresponding communication signal. After the communication signal enters the isolation network submodule, it is protected by gas discharge tube, isolated by network transformers L1 and L2, overcurrent by self-resetting fuses F1 to F4, overvoltage by TVS diodes D1 to D3, current limiting by resistors R1, R3, R5 and R8, and finally voltage regulation by bridge rectifier and Zener diodes D4 to D6 and D10 to D12. Finally, it connects to external devices through connector PRJ1 for secure communication and data exchange.

Claims

1. A data monitoring system for an automated fireworks production line, characterized in that... The system includes an intrinsically safe power supply module, an electrostatic discharge module, a mechanical monitoring module, a temperature and humidity sensor module, a gateway module, and an isolation barrier module. The intrinsically safe power supply module connects to an external power source. The outputs of the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module are all connected to the input of the gateway module, and the output of the gateway module is connected to the input of the isolation barrier module. The intrinsically safe power supply module converts the externally input power into a power supply signal and supplies power to the electrostatic discharge module, mechanical monitoring module, temperature and humidity sensor module, gateway module, and isolation barrier module. The electrostatic discharge module is used for static discharge by workers and monitors the number of static discharges and uploads the data to the gateway module. The mechanical monitoring module monitors the cable temperature and current data of the automated fireworks production line and uploads the monitoring data to the gateway module. The temperature and humidity sensor module is used to monitor the temperature and humidity data of the automated fireworks production line and upload the monitoring data to the gateway module. The gateway module receives signals from the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module. After logical judgment, it plays prompts or warning sounds through the audio output submodule and forwards the received signals to the isolation barrier module. The isolation barrier module isolates the signals uploaded by the gateway module and sends them out to complete the data monitoring of the fireworks and firecrackers automated production line. The isolation barrier module includes an isolated audio submodule and an isolated network submodule; The isolated audio submodule is used to send received audio data out after isolation; The isolated network submodule is used to send received network data out after isolation.

2. The data monitoring system for the automated fireworks production line according to claim 1, characterized in that... The intrinsically safe power module includes a 12V output submodule, an output voltage sampling submodule, an output current sampling submodule, an overvoltage and overcurrent protection submodule, and an output control submodule. The 12V output submodule converts externally input electrical energy into 12V power and supplies it to the outside via the output control submodule; the output voltage sampling submodule samples the voltage of the output 12V power supply and uploads the sampling signal to the overvoltage and overcurrent protection submodule; the output current sampling submodule samples the current of the output 12V power supply and uploads the sampling signal to the overvoltage and overcurrent protection submodule; the overvoltage and overcurrent protection submodule performs overvoltage and overcurrent protection on the 12V power supply based on the received sampling signals and uploads the protection signal to the output control submodule. The output control submodule is used to control the output of the 12V power supply; The 12V output submodule is a circuit composed of a VPC2187 power supply chip; the output voltage sampling submodule is a circuit composed of a resistor voltage divider circuit; the output current sampling submodule is a sampling circuit composed of an operational amplifier and resistors; the overvoltage and overcurrent protection submodule is a circuit composed of a TLV3202 comparator chip and a CD4538 timer chip; and the output control submodule is a switching circuit composed of transistors.

3. The data monitoring system for the automated fireworks production line according to claim 2, characterized in that... The electrostatic discharge module includes an electrostatic discharge power supply submodule, an electrostatic discharge control submodule, an electrostatic discharge communication submodule, and an electrostatic discharge inductance submodule; The electrostatic discharge power supply submodule is used to supply power to the electrostatic discharge module; The electrostatic discharge induction submodule is used for electrostatic discharge by workers, and monitors the number of discharges and uploads the data to the electrostatic discharge control submodule. The electrostatic discharge control submodule is used to receive the uploaded electrostatic discharge count and upload the data to the gateway module through the electrostatic discharge communication submodule; The electrostatic discharge communication submodule is used for communication between the electrostatic discharge control submodule and the gateway module; The electrostatic discharge power supply submodule is a circuit composed of a power chip of model FR9889; The electrostatic discharge control submodule is a circuit composed of a control chip of model STM32G030C8T6; the electrostatic discharge communication submodule is a communication circuit composed of a communication chip of model BL3085B; and the electrostatic discharge induction submodule is a circuit composed of a chip of model ICM7555MM / TR.

4. The data monitoring system for the automated fireworks production line according to claim 3, characterized in that... The mechanical monitoring module includes a mechanical monitoring power supply submodule, a mechanical monitoring current sampling submodule, a mechanical monitoring cable temperature sampling submodule, a mechanical monitoring control submodule, and a mechanical monitoring communication submodule. The mechanical monitoring power supply submodule is used to supply power to the mechanical monitoring module; the mechanical monitoring current sampling submodule is used to monitor the current signal of the automated fireworks production line and upload the monitoring signal to the mechanical monitoring control submodule. The mechanical monitoring cable temperature sampling submodule is used to monitor the cable temperature signal of the automated fireworks production line and upload the monitoring signal to the mechanical monitoring and control submodule. The mechanical monitoring and control submodule is used to receive the uploaded monitoring signals and upload the signals to the gateway module through the mechanical monitoring communication submodule; the mechanical monitoring communication submodule is used for communication between the mechanical monitoring and control submodule and the gateway module. The mechanical monitoring power supply submodule is a circuit composed of a power chip of model FR9889; The mechanical monitoring current sampling submodule is a circuit composed of a metering chip of model RN8032; the mechanical monitoring cable temperature sampling submodule is a circuit composed of a temperature sensor of model DS18B20; the mechanical monitoring control submodule is a circuit composed of a control chip of model STM32G030C8T6; and the mechanical monitoring communication submodule is a communication circuit composed of a communication chip of model BL3085B.

5. The data monitoring system for the automated fireworks production line according to claim 4, characterized in that... The temperature and humidity sensor module includes a temperature and humidity power supply submodule, a temperature and humidity sensing submodule, a temperature and humidity control submodule, a temperature and humidity display submodule, and a temperature and humidity communication submodule. The temperature and humidity power supply submodule is used to power the temperature and humidity sensor module; the temperature and humidity sensing submodule is used to monitor the temperature and humidity data of the automated fireworks production line and upload the monitoring signal to the temperature and humidity control submodule. The temperature and humidity control submodule is used to receive the uploaded monitoring signals and display the temperature and humidity data through the temperature and humidity display submodule. At the same time, the temperature and humidity data is uploaded to the gateway module through the temperature and humidity communication submodule. The temperature and humidity display submodule is used to display temperature and humidity data; the temperature and humidity communication submodule is used for communication between the temperature and humidity control submodule and the gateway module. The temperature and humidity power supply submodule is a circuit composed of a power chip of model FR9889; the temperature and humidity sensing submodule is a circuit composed of a temperature and humidity sensor of model HDC1080; the temperature and humidity control submodule is a circuit composed of a control chip of model STM32G030C8T6; the temperature and humidity display submodule is a circuit composed of an LCD driver chip of model HT1621B and a display screen of model QYT12429; the temperature and humidity communication submodule is a communication circuit composed of a communication chip of model BL3085B.

6. The data monitoring system for an automated fireworks production line according to claim 5, characterized in that... The gateway module includes a gateway power supply submodule, a gateway overvoltage protection submodule, a gateway communication submodule, a gateway audio interface submodule, a gateway audio output submodule, a gateway infrared receiver submodule, a gateway display submodule, a gateway storage submodule, a gateway control submodule, and a gateway network submodule; The gateway power supply submodule supplies power to the gateway module; the gateway overvoltage protection submodule provides overvoltage protection for the power signal output by the gateway power supply submodule; the gateway communication submodule receives signals from the electrostatic discharge module, mechanical monitoring module, and temperature and humidity sensor module, and forwards the signals to the gateway control submodule and gateway network submodule; the gateway audio interface submodule is used for data transmission between the gateway audio output submodule and the isolation barrier module; the gateway audio output submodule receives audio signals and uploads the audio signals to the isolation barrier module through the gateway audio interface submodule. The gateway infrared receiver submodule is used to receive infrared signals sent from the outside and upload the signals to the gateway control submodule; The gateway display submodule is used to receive data from the gateway control submodule and display the data; the gateway storage submodule is used to store data from the gateway module. The gateway control submodule is used to control the operation of the gateway module; the gateway network submodule is used to receive data sent by the gateway control submodule and signals uploaded by the electrostatic discharge module, mechanical monitoring module and temperature and humidity sensor module, and forward the data to the isolation barrier module. The gateway power supply submodule is a circuit composed of a power chip of model FR9609; the gateway overvoltage protection submodule is a circuit composed of a TVS diode; the gateway communication submodule is a communication circuit composed of a communication chip of model BL3085B. The gateway audio output submodule is a circuit composed of an audio decoder chip of model WM8978; the gateway infrared receiver submodule is a circuit composed of an infrared receiver of model IRM-H638T. The gateway display submodule is a circuit consisting of a display screen of model ILI9488; the gateway storage submodule is a circuit consisting of a memory chip of model FM25V02 and a memory chip of model W25Q128FVSIG; the gateway control submodule is a circuit consisting of a control chip of model STM32F407ZGT6; and the gateway network submodule is a circuit consisting of an Ethernet chip of model W5500 and a network transformer chip of model HR601680.

7. The data monitoring system for an automated fireworks production line according to claim 6, characterized in that... The isolated audio submodule is a circuit composed of an audio transformer; the isolated network submodule is a circuit composed of a network transformer chip of model HR601680.

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