Digital intelligent monitoring system for voltage of hydrometallurgy electrolytic cell

Abstract

The utility model discloses a digital intelligent monitoring system for voltage of a hydrometallurgy electrolytic bath. The digital intelligent monitoring system comprises an electrolytic bath voltage collector, an electrolytic bath voltage wireless receiving and processing controller, an industrial serial port server, an industrial switch and an upper computer, the electrolytic bath voltage collector and the electrolytic bath voltage wireless receiving and processing controller complete wireless local area networking through a wireless LORA network and are used for data interaction between the electrolytic bath voltage collector and the electrolytic bath voltage wireless receiving and processing controller; the industrial serial port server is connected with the electrolytic bath voltage wireless receiving and processing controller through a twisted-pair signal line and used for communication protocol conversion, and the industrial switch is connected with the industrial serial port server through a network cable and used for data transmission; the upper computer is connected with the industrial serial port server through a network cable and used for uploading the cell voltage data to the upper computer.

Description

Technical Field

[0001] This utility model belongs to the field of industrial digitalization technology, specifically relating to a digital monitoring system for voltage of hydrometallurgical electrolytic cells. Background Technology

[0002] With the continuous advancement of industrial digitalization, industrial safety has become particularly important, and digitalization methods are being used to improve the automation and digitalization levels of traditional industries. The continuous development of online monitoring technology has facilitated breakthroughs in online monitoring instruments for various parameters in hydrometallurgy, improving the real-time performance, accuracy, and processing capabilities of data monitoring, reducing the labor intensity of personnel, and forming a production safety early warning mechanism through integrated data monitoring and analysis. This has reduced the failure rate of electrolytic cells and improved production efficiency.

[0003] Currently, manual inspection of the electrolysis process and fault diagnosis methods cannot obtain timely and accurate electrolysis process data, nor can they provide real-time feedback on the actual operating conditions of the electrolyzers. Based on the on-site working environment, measurement data, and measurement methods, the following issues exist:

[0004] (1) Manual detection, recording and statistical data are prone to deviation.

[0005] (2) Poor data real-time performance cannot meet the requirements of timely adjustment of production process.

[0006] (3) The on-site environment has a significant impact on the service life and stability of instruments and equipment.

[0007] (4) The wet metallurgical site is humid, with thick acid mist and severe corrosion of the equipment materials at high temperatures, which can easily cause the equipment performance to decline. Therefore, it is necessary to overcome the impact of these factors on the tank voltage detection equipment.

[0008] Real-time analysis of the working conditions in hydrometallurgical processes still relies on traditional manual statistical methods, which lack precise and reliable control over the required monitoring data. For example, if an abnormal temperature is detected on a plate before it reaches the burning point, there is no timely warning, and it is difficult to detect in time by relying solely on the on-site experience of the personnel. The statistical work of the control room personnel is tedious, has a large real-time lag, and is difficult to sort out and troubleshoot.

[0009] Manual inspections are costly, inefficient, and their drawbacks become more pronounced with larger scales. Furthermore, test results are easily influenced by personal experience. Manual inspections are also slow; when conducted manually in sequence, timeliness cannot be guaranteed, and continuous, online monitoring is impossible. When faults are detected manually, paper forms are used for recording, lacking automated detection, fault plate location, and closed-loop control of processing results. The electrolysis workshop is constantly exposed to acid mist, high temperatures, and high humidity, which negatively impacts the physical and mental health of the workers. Utility Model Content

[0010] The technical problem this invention aims to solve is to achieve online monitoring of electrolytic cell voltage while suppressing environmental and process interference factors, ensuring the stability and accuracy of the cell voltage data acquisition device. Wireless LoRa data transmission technology is used to upload data from electrolytic cell voltage data acquisition devices within the coverage area to the online monitoring system, achieving unified monitoring and management, and providing data processing, analysis, display, fault warning, and electrolytic cell status prompts. Communication protocol conversion and system distribution are completed through a serial port server and switch. This provides a digital intelligent monitoring system for hydrometallurgical electrolytic cell voltage.

[0011] This utility model solves the above-mentioned technical problems through the following technical solutions: the utility model includes an electrolytic cell voltage acquisition device, an electrolytic cell voltage wireless receiving and processing controller, an industrial serial port server, an industrial switch, and a host computer.

[0012] The electrolytic cell voltage acquisition device mainly includes an MCU microprocessor A, a limiting protection module, a channel switching and isolation module, a power supply module A, an analog-to-digital converter module, a wireless LoRa module A, and a serial port display module. The MCU microprocessor A is used to control channel switching for data acquisition, serial port data transmission and reception, serial port display, and parameter setting. The MCU microprocessor A communicates with the analog-to-digital converter module via SPI through I / O ports. The MCU microprocessor A also performs unidirectional control with the channel switching and isolation module via I / O ports. The MCU microprocessor A connects to the wireless LoRa module A via I / O ports for serial communication. The limiting protection module is connected to the channel switching and isolation module. The power supply module A supplies power to the electrolytic cell voltage acquisition device.

[0013] The electrolytic cell voltage wireless receiving and processing controller mainly includes an MCU microprocessor B, a wireless LoRa module B, a power supply module B, an RS485 module, and an RS232 module. The MCU microprocessor B is used for serial port data transmission and reception and data pass-through. The MCU microprocessor B communicates bidirectionally with the wireless LoRa module B through I / O ports, with the RS485 module through I / O ports, and with the RS232 module through I / O ports. The power supply module B supplies power to the control gateway.

[0014] Furthermore, the limiting protection module of the electrolytic cell voltage acquisition device is connected to the electrolytic cell busbar via a wire, and is used to sample and preprocess the electrolytic cell voltage to suppress the influence of irregular surge voltage and high-frequency interference on the measuring device.

[0015] Furthermore, the electrolytic cell voltage acquisition device and the electrolytic cell voltage wireless receiving and processing controller communicate wirelessly via the wireless LoRa module A and the wireless LoRa module B for local area networking, thereby enabling data centralization of the electrolytic cell voltage acquisition device within the local area.

[0016] Furthermore, the electrolytic cell voltage wireless receiving and processing controller is connected to the industrial serial port server via RS485 or RS232.

[0017] Furthermore, the industrial serial port server converts the ModBus-RTU protocol to the ModBus-TCP protocol.

[0018] Furthermore, the industrial switch and the industrial serial port server are connected via a network cable.

[0019] Furthermore, the industrial switch is connected to the host computer server via a network cable.

[0020] Furthermore, the wireless LoRa module A, the serial port screen module A, and the MCU microprocessor A all adopt half-duplex serial communication.

[0021] Furthermore, the electrolytic cell voltage acquisition device adopts the standard ModBus-RTU protocol.

[0022] Furthermore, the electrolytic cell voltage acquisition device, the electrolytic cell voltage wireless receiving and processing controller, the industrial serial port server, the industrial switch, and the host computer form a complete intelligent monitoring system for the voltage of hydrometallurgical electrolytic cells.

[0023] The design principle of this utility model is as follows: A digital intelligent monitoring system for the voltage of a hydrometallurgical electrolytic cell mainly consists of a data acquisition unit, a wireless transmission network, and a data conversion and online monitoring system. The data acquisition unit is the key component of the system, processing data while suppressing various interferences to achieve accurate measurement of the electrolytic cell voltage, providing data support for system construction. The wireless transmission network consists of a wireless transmitter for data acquisition and an upper-level wireless receiver and processing controller, forming a local area network through encoding technology to complete data interaction. The data conversion and display system first converts the ModBus RTU protocol to the ModBus TCP protocol, then uses industrial switches to complete network interconnection, and finally uses a host computer to achieve integrated data monitoring and display.

[0024] Compared with existing technologies, this invention has the following advantages: it achieves accurate measurement and rapid data processing of electrolytic cell voltage data, enabling quick response to changes in cell voltage and providing a more user-friendly visualization effect; it realizes unmanned cell voltage detection and paperless data recording, eliminating errors in manual detection and recording processes; it allows for timely adjustment and optimization of production process parameters in the electrolytic cell adjustment process based on system feedback data, and timely troubleshooting and handling of production anomalies, ensuring stable product quality and reducing energy consumption; it reduces the labor intensity of operators and minimizes the time spent working in high-temperature acid mist environments. Field application has shown good results, contributing to improved production quality and efficiency, and enhancing operational efficiency, making it worthy of widespread application. Attached Figure Description

[0025] Figure 1 This is a block diagram of the system of this utility model;

[0026] Figure 2 This is a block diagram illustrating the structure of the electrolytic cell voltage acquisition device, an example of this utility model.

[0027] Figure 3 This is a block diagram illustrating the structure of the wireless receiving and processing controller for the cell voltage of an electrolytic cell, as described in this utility model.

[0028] In the diagram: 1-Electrolytic cell voltage acquisition device, 2-Wireless LoRa network, 3-Electrolytic cell voltage wireless receiver and processor controller, 4-Twisted pair signal cable, 5-Industrial serial server, 6-Category 6A network cable, 7-Industrial switch, 8-Host computer A, 9-Host computer B, 10-Amplitude limiting protection module, 11-Channel isolation module, 12-Channel switching module, 13-Analog-to-digital converter module, 14-MCU microprocessor A, 15-Serial port screen module, 16-Wireless LoRa module A, 17-Power supply module A, 18-Power supply module B, 19-MCU microprocessor B, 20-RS232 module, 21-RS485 module, 22-Wireless LoRa module B. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0030] like Figure 1 As shown in the figure, this example of a digital monitoring system for the voltage of a hydrometallurgical electrolytic cell specifically includes: an electrolytic cell voltage acquisition device 1, a wireless LoRa network 2, an electrolytic cell voltage wireless receiving and processing controller 3, a twisted pair signal cable 4, an industrial serial port server 5, a Cat6e network cable 6, an industrial switch 7, a host computer A8, and a host computer B9.

[0031] The electrolytic cell voltage acquisition unit 1 and the electrolytic cell voltage wireless receiving and processing controller 3 are wirelessly networked via a LoRa network 2 for data exchange. The industrial serial port server 5 is connected to the electrolytic cell voltage wireless receiving and processing controller 3 via a twisted pair signal cable 4 for communication protocol conversion. The industrial switch 7 is connected to the industrial serial port server 5 via a Cat6A network cable 6 for data transmission. The host computers A8 and B9 are connected to the industrial serial port server 5 via a Cat6A network cable 6 for cell voltage data integration, processing, analysis, display, and alarm.

[0032] like Figure 2 As shown, the example electrolytic cell voltage acquisition device specifically includes: a limiting protection module 10, a channel isolation module 11, a channel switching module 12, an analog-to-digital conversion module 13, an MCU microprocessor A14, a serial port screen module 15, a wireless LoRa module A16, and a power supply module A17. The limiting protection module 10 is connected to the channel isolation module 11 to suppress irregular overvoltage signals and prevent damage to subsequent circuits. The channel isolation module 11 is connected to the channel switching module 12 for signal opto-isolation, reducing interference from input signals to the acquisition circuit. The switching module 12 is connected to the analog-to-digital converter module 13 and is used to switch the input signal path to realize multi-channel signal acquisition. The analog-to-digital converter module 13 is connected to the I / O port of the MCU microprocessor A14 and is used to convert the analog signal of the cell voltage into a digital signal to complete the cell voltage acquisition. The serial port screen module 15 is connected to the serial port 1 of the MCU microprocessor A14 and is used for data display and touch control. The wireless LoRa module A16 is connected to the serial port 2 of the MCU microprocessor A14 and is used to realize wireless data transmission and reception. The power supply module A supplies power to the electrolytic cell voltage acquisition device 1.

[0033] like Figure 3 As shown, the electrolytic cell voltage wireless receiving and processing controller 3 in this example specifically includes: a power supply module B18, an MCU microprocessor B19, an RS232 module 20, an RS485 module 21, and a wireless LoRa module B22; the RS232 module 20 is connected to the serial port 2 of the MCU microprocessor B14 for data transmission, the RS485 module 21 is connected to the serial port 1 of the MCU microprocessor B14 for wired data transmission and reception, and the power supply module B provides power to the electrolytic cell voltage wireless receiving and processing controller 3.

[0034] Combination Figure 1 , Figure 2 , Figure 3 The workflow of the intelligent voltage monitoring device and system for hydrometallurgical electrolytic cells in this embodiment is further explained.

[0035] Step 1: After the electrolytic cell voltage is input to the electrolytic cell voltage acquisition unit 1, it passes through the limiting protection module 10, the channel isolation module 11, the channel switching module 12, the analog-to-digital conversion module 13, and the MCU microprocessor A14 in sequence to complete the filtering, isolation, analog-to-digital conversion and other processing of the cell voltage signal, and finally realize the accurate measurement of cell voltage.

[0036] Step 2: The cell voltage value measured by the cell voltage acquisition device 1 is sent to the cell voltage wireless receiving and processing controller 3 via the integrated wireless LoRa network 2.

[0037] Step 3: The electrolytic cell voltage wireless receiving and processing controller 3 transmits the data to the industrial serial port server 5 through the RS485 interface.

[0038] Step 4: The industrial serial server 5 converts the received ModBus-RTU protocol into the ModBus-TCP protocol, then transmits it to the industrial switch 7, and finally uploads it to the host computer. This completes the electrolytic cell voltage measurement, transmission, and integration.

[0039] Step 5: The host computer is used for data reception, parsing, calculation, processing, display, and control command issuance.

[0040] The system comprises intelligent terminals responsible for different functions, combined with modern detection technology, communication technology, database, and DCS to form a digital monitoring system for the voltage of hydrometallurgical electrolytic cells.

Claims

1. A digital intelligent monitoring system for voltage in a hydrometallurgical electrolytic cell, characterized in that, It includes an electrolytic cell voltage acquisition device (1), an electrolytic cell voltage wireless receiving and processing controller (3), an industrial serial port server (5), an industrial switch (7), and a host computer; The electrolytic cell voltage acquisition device (1) and the electrolytic cell voltage wireless receiving and processing controller (3) are connected via a wireless LoRa network (2) to form a wireless local area network for data interaction between the two. The industrial serial port server (5) is connected to the electrolytic cell voltage wireless receiving and processing controller (3) via a twisted pair signal cable (4) for communication protocol conversion. The industrial switch (7) is connected to the industrial serial port server (5) via a network cable for data transmission. The host computer is connected to the industrial serial port server (5) via a network cable for uploading cell voltage data to the host computer.

2. The intelligent voltage monitoring system for hydrometallurgical electrolytic cells according to claim 1, characterized in that, The electrolytic cell voltage acquisition device (1) includes an MCU microprocessor A (14), a limiting protection module (10), a channel switching and isolation module, a power supply module A (17), an analog-to-digital conversion module, a wireless LoRa module A (16), and a serial port screen module; The MCU microprocessor A (14) is used to control channel switching for data acquisition, serial port data transmission and reception, serial port screen display and parameter setting. The MCU microprocessor A (14) communicates with the analog-to-digital converter module via I / O port. The MCU microprocessor A (14) performs unidirectional control with the channel switching and isolation module via I / O port. The MCU microprocessor A (14) communicates with the wireless LoRa module A (16) via I / O port. The amplitude limiting protection module (10) is connected to the channel switching and isolation module. The power supply module A (17) supplies power to the electrolytic cell voltage acquisition device (1).

3. The intelligent voltage monitoring system for hydrometallurgical electrolytic cells according to claim 2, characterized in that, The electrolytic cell voltage wireless receiving and processing controller (3) includes an MCU microprocessor B (19), a wireless LoRa module B (22), a power supply module B (18), an RS485 module (21), and an RS232 module (20). The MCU microprocessor B (19) is used for serial port data transmission and reception and data pass-through. The MCU microprocessor B (19) communicates bidirectionally with the wireless LoRa module B (22) through the I / O port, communicates bidirectionally with the RS485 module (21) through the I / O port, communicates bidirectionally with the RS232 module (20) through the I / O port, and the power module B (18) supplies power to the control gateway.

4. The intelligent voltage monitoring system for hydrometallurgical electrolytic cells according to claim 1, characterized in that, The limiting protection module (10) of the electrolytic cell voltage acquisition device (1) is connected to the electrolytic cell busbar through a wire. It is used to sample and preprocess the electrolytic cell voltage to suppress the influence of irregular surge voltage and high-frequency interference on the measuring device.

5. The intelligent voltage monitoring system for hydrometallurgical electrolytic cells according to claim 3, characterized in that, The electrolytic cell voltage acquisition device (1) and the electrolytic cell voltage wireless receiving and processing controller (3) interact wirelessly via wireless LoRa module A (16) and wireless LoRa module B (22) for local area networking, thereby realizing data aggregation of the electrolytic cell voltage acquisition device (1) within the local area.

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