Remote control operation device for aluminum electrolysis production

Abstract

The utility model provides a remote control operation device for aluminum electrolysis production, and relates to the technical field of industrial wireless control in the aluminum electrolysis industry. The remote control operation device for the aluminum electrolysis production comprises a portable remote control operation terminal and a wireless data conversion module, the portable remote control operation terminal is handheld equipment of an aluminum electrolysis control operator and is used for completing remote wireless control over a selected tank, and meanwhile production information of related tanks can be obtained through the equipment; and the wireless data conversion module is arranged in the slot control machine, is in wireless communication connection with the portable remote control operation terminal, and is used for receiving an operation instruction sent by the portable remote control operation terminal and transmitting the instruction to the slot control machine for execution. According to the control method of the remote control operation device for the aluminum electrolysis production, the labor intensity of front-line operators is greatly reduced, and meanwhile, the real-time performance and the accuracy of electrolysis production control are improved.

Description

Technical Field

[0001] This utility model relates to the field of industrial wireless control technology in the aluminum electrolysis industry, and more specifically, to a remote control operation device for aluminum electrolysis production. Background Technology

[0002] In recent years, my country's aluminum electrolysis industry has developed rapidly, with aluminum production capacity and output continuously increasing. The design scale and capacity of aluminum electrolysis cells have also increased accordingly. The supporting equipment and technology for aluminum electrolysis production have also made great progress. my country's aluminum electrolysis process control technology has developed towards intelligence, digitalization and networking, and is gradually showing a trend of leading the world in new aluminum electrolysis control technologies.

[0003] In traditional aluminum electrolysis production, the process of aluminum electrolysis cells is completed by a cell control machine fixedly installed on-site at the flue end of the aluminum electrolysis plant. Due to the real-time and precise requirements of aluminum electrolysis process control, various aluminum electrolysis production process variables, such as cell pressure, cell temperature, aluminum output, electrode switching, and busbar lifting, need to be collected and controlled in real time. However, with the continuous increase in the intensity of aluminum electrolysis current, the scale of the on-site building has also increased. This requires on-site operators to repeatedly travel back and forth between the two ends of the electrolysis cell to obtain cell information and execute process operations. As a result, their labor intensity is constantly increasing, and the real-time and precision of the control are greatly reduced. Utility Model Content

[0004] The technical problem to be solved by this utility model is to address the shortcomings of the prior art by providing a remote control operating device for aluminum electrolysis production. This device enables remote wireless control of the selected cell controller via a portable remote control terminal to operate the electrolysis cell process, greatly reducing the labor intensity of front-line operators.

[0005] To achieve the above objectives, the main technical solution adopted by this utility model includes a portable remote control terminal and a wireless data conversion module;

[0006] The portable remote control terminal includes a shell, a display screen, a control module, an operation command input module, a safety protection module, and an operating grip strap;

[0007] The control module is electrically connected to the display screen, the operation command input module, and the safety protection module, respectively.

[0008] The device has a grip strap on the outer casing for holding the portable remote control terminal;

[0009] The wireless data conversion module is installed inside the tank control machine and is wirelessly connected to the portable remote control terminal. It includes a module power supply and a data transmission interface plug-in with the tank control machine, a control signal output module, a wireless signal transceiver interface, and an external wireless signal enhancement antenna.

[0010] Among them, the module power supply and the data transmission interface plug with the tank control machine are used to receive operation commands;

[0011] The control signal output module and the wireless signal transceiver interface are electrically connected to the module power supply and the internal data transmission interface plug of the tank control machine, respectively.

[0012] An external wireless signal enhancement antenna is connected to the outside of the wireless data conversion module and interacts wirelessly with a portable remote control terminal.

[0013] The display screen is an OLED liquid crystal screen.

[0014] The control module includes a tens digit electrolytic cell number selection knob, a units digit electrolytic cell number selection knob, and a remote control operation status selection knob;

[0015] The ten-digit electrolytic cell number selection knob has three positions: 0, 1, and 2, which are used to set the ten-digit address to identify the target electrolytic cell controller.

[0016] The unit cell number selection knob has ten positions from 0 to 9, used to set the unit address to identify the target electrolytic cell controller;

[0017] The remote control operation mode selection knob has three settings: shell breaking, alumina feeding, and special process operation, which are used to select the type of process to be remotely operated.

[0018] The operation command input module includes buttons for executing aluminum electrolysis shell breaking and alumina feeding actions, aluminum electrolysis fluoride salt feeding actions, aluminum electrolysis cell aluminum output process operation, aluminum electrolysis cell electrode changing process operation, aluminum electrolysis cell busbar lifting process operation, aluminum electrolysis cell special process operation termination button, and equipment power button.

[0019] The safety protection module includes an emergency stop button, anti-accidental touch protection, and a shockproof silicone sleeve.

[0020] The emergency stop button is electrically connected to the control module and has a self-locking function.

[0021] Accidental touch protection is installed on the casing of the portable remote control terminal to prevent accidental operation by the operator;

[0022] The shock-absorbing silicone sleeve is installed on the shell of the portable remote control terminal to cushion the impact force generated when the portable remote control terminal is dropped.

[0023] The module's power supply and communication with the internal data transmission interface plug-in of the slot control machine support RS232, RS485 and CAN communication protocols.

[0024] The communication interface module includes a 12-channel shell-breaking execution signal output interface plug-in, a 12-channel alumina feeding execution signal output interface plug-in, a fluoride feeding and emergency stop execution signal output interface plug-in, and a backup execution signal output interface plug-in.

[0025] The wireless signal transceiver interface adopts an SMA interface, and the communication modes support LoRa, ZigBee and local area network Wi-Fi communication protocols.

[0026] The external wireless signal enhancement antenna uses an SMA interface.

[0027] This utility model has the following beneficial effects and advantages:

[0028] This invention installs a wireless data conversion module inside a traditional cell control machine, and uses this module to exchange data between a portable remote control terminal and the cell control machine's internal data communication. This allows for remote wireless control of the selected cell control machine to manage the electrolytic cell's production process using a portable remote control terminal, greatly reducing the workload of frontline operators and improving the real-time performance and accuracy of electrolytic production control. Attached Figure Description

[0029] Figure 1 This is a structural diagram of the portable remote control terminal of this utility model;

[0030] Figure 2 This is a structural diagram of the wireless data conversion module of this utility model.

[0031] In the diagram: 01. Production information display screen; 02. Emergency stop button; 03. Tens digit electrolytic cell number selection knob; 04. Units digit electrolytic cell number selection knob; 05. Remote control operation status selection knob; 06. Aluminum electrolysis shell breaking and alumina feeding action execution button; 07. Aluminum electrolysis fluoride salt feeding action execution button; 08. Aluminum electrolysis cell aluminum output process operation execution button; 09. Aluminum electrolysis cell electrode changing process operation execution button; 10. Aluminum electrolysis cell busbar lifting process operation execution button; 11. Special process of aluminum electrolysis cell. 11. Operation termination button; 12. Equipment power button; 13. Operating grip strap; 14. Anti-accidental touch protection; 15. Shockproof silicone sleeve; 16. Module power supply and internal data transmission interface plug-in with the tank control machine; 17. 12-channel shell-breaking execution signal output interface plug-in; 18. 12-channel alumina feeding execution signal output interface plug-in; 19. Fluoride salt feeding and emergency stop execution signal output interface plug-in; 20. Backup signal output interface plug-in; 21. Wireless signal transceiver interface; 22. External wireless signal enhancement antenna. Detailed Implementation

[0032] The present invention will be further described below with reference to the accompanying drawings.

[0033] This utility model discloses a remote control operation device for aluminum electrolysis production, which includes a portable remote control operation terminal and a wireless data conversion module.

[0034] Figure 1 This is a structural diagram of the portable remote control terminal of this utility model, as shown below. Figure 1 As shown, the portable remote control terminal is a handheld device for aluminum electrolysis operators, used to remotely and wirelessly control the selected tank. At the same time, the device can be used to obtain relevant production information of the tank, including an operation production information display screen 01, a control module, an operation command input module, a safety protection module, and an operation grip strap 13.

[0035] Among them, the operation production information display screen 1 is an OLED liquid crystal display, which displays operation information in real time during equipment operation, such as: tank number, shell breaking, alumina feeding, fluoride feeding and special process operation status, etc.

[0036] The control module is electrically connected to the operation and production information display screen, and is used to set the target aluminum electrolysis cell address and select the process type, including the tens digit electrolysis cell number selection knob 03, the units digit electrolysis cell number selection knob 04, and the remote control operation status selection knob 05;

[0037] Among them, the 10-digit electrolytic cell number selection knob 03 has three positions: 0, 1, and 2, which are used to set the 10-digit address to identify the target electrolytic cell controller.

[0038] The unit cell cell number selection knob 04 has ten positions from 0 to 9, used to set the unit address to identify the target electrolytic cell controller.

[0039] The remote control operation status selection knob 05 has three positions: shell breaking, alumina feeding, and special process operation, which are used to select the process type to be remotely operated.

[0040] The operation instruction input module is electrically connected to the control module and is used to generate and transmit operation instructions, including the following buttons: aluminum electrolysis shell breaking and alumina feeding action execution button 06, aluminum electrolysis fluoride salt feeding action execution button 07, aluminum electrolysis cell aluminum output process operation execution button 08, aluminum electrolysis cell electrode changing process operation execution button 09, aluminum electrolysis cell busbar lifting process operation execution button 10, aluminum electrolysis cell special process operation termination button 11, and equipment power button 12. The buttons are made of stainless steel and protected by a transparent high-temperature resistant silicone rubber dustproof and sealed protective cover.

[0041] Button 06, which executes the aluminum electrolysis shell breaking and alumina feeding actions, is used to generate and transmit shell breaking and alumina feeding operation commands.

[0042] Button 07, used for aluminum electrolysis fluoride salt feeding operation, is used to generate and transmit fluoride salt feeding operation instructions.

[0043] The aluminum electrolysis cell aluminum output process operation execution button 08 is used to generate and transmit aluminum output process operation instructions;

[0044] The aluminum electrolytic cell electrode switching process operation execution button 09 is used to generate and transmit electrode switching process operation instructions.

[0045] The aluminum electrolysis cell busbar lifting process operation execution button 10 is used to generate and transmit busbar lifting process operation instructions.

[0046] The special operation termination button 11 for aluminum electrolysis cell process is used to generate and transmit a command to terminate the special process operation.

[0047] The power button 12 is the power switch for the portable remote control terminal itself, used when turning the portable remote control terminal on or off.

[0048] The safety protection module is electrically connected to the control module to ensure the operational safety and equipment stability of the portable remote control terminal, including an emergency stop button 02, an anti-accidental touch protection 14, and a shockproof silicone sleeve 15.

[0049] Among them, the emergency stop button 02 is electrically connected to the control module. When operating, it can remotely trip the 380V main power supply of the selected tank control machine. This button has a self-locking function. After pressing and using, it needs to be manually rotated to reset before the next operation can be performed.

[0050] The accidental touch protection 14 is installed on the shell of the portable remote control terminal to prevent the operator from accidentally touching the emergency stop button 02 or the power button of the device when using or carrying it.

[0051] The shockproof silicone sleeve 15 is installed on the shell of the portable remote control terminal. It is made of high-temperature resistant silicone rubber and wraps around the device. The thickness is 1-5mm. This design is intended to buffer the impact force caused by the device being accidentally dropped to the ground.

[0052] The device grip strap 13 is set on the shell of the portable remote control terminal for gripping the portable remote control terminal and preventing the operator from accidentally dropping the device while using it.

[0053] The specific operation is as follows: The operator presses the power button 12 to power on the handheld device; operates the tens digit electrolytic cell number selection knob 03 to select the tens digit of the address of the electrolytic cell to be controlled, and the units digit electrolytic cell number selection knob 04 to select the units digit of the address of the electrolytic cell to be controlled; observes that the cell number displayed on the production information display screen 01 matches the cell number to be remotely controlled; operates the remote control operation status selection knob 05 to select the control command status to be executed, such as shell breaking, feeding, or special operation; when the remote control operation status selection knob 05 is turned on... 5. When selecting the shell-breaking option, press the aluminum electrolysis shell-breaking and alumina feeding action execution buttons 061#-7#, and the cell control machine will execute the corresponding shell-breaking command 1#-7#. When the remote control operation mode selection knob 05 is selected for feeding, press the aluminum electrolysis shell-breaking and alumina feeding action execution buttons 061#-7#, and the cell control machine will execute the corresponding alumina feeding command 1#-7#. When the remote control operation mode selection knob 05 is selected for feeding, press the aluminum electrolysis fluoride salt feeding action execution button 07, and the cell control machine will execute... The operation corresponds to the fluoride salt feeding command; when the remote control operation mode selection knob 05 is selected for special operation, pressing the aluminum electrolysis cell aluminum discharge process operation execution button 08 will cause the cell control machine to execute the aluminum electrolysis cell aluminum discharge process operation; when the remote control operation mode selection knob 05 is selected for special operation, pressing the aluminum electrolysis cell electrode switching process operation execution button 09 will cause the cell control machine to execute the aluminum electrolysis cell electrode switching process operation; when the remote control operation mode selection knob 05 is selected for special operation, pressing the aluminum electrolysis cell busbar lifting process operation execution button 10 will cause the cell to... The control machine will execute the aluminum electrolysis cell bus lifting process operation; when the remote control operation status selection knob 05 selects special operation, pressing the aluminum electrolysis cell process special operation termination button 11 will stop the aluminum tapping, electrode changing, and bus lifting process operation being executed; when the emergency stop button 02 is pressed, the main power supply of the anode lifting motor inside the cell control machine will be disconnected to ensure the safety of the process operation; at the same time as the above operations, the production information display screen 01 will display the operation command information and important production indicator information such as electrolysis cell voltage and current in real time.

[0054] Figure 2 This is a structural diagram of the wireless data conversion module of this utility model, as shown below. Figure 2 As shown, a wireless data conversion module will be installed inside each existing tank control machine and set with a unique tank number. It will be wirelessly connected to the portable remote control terminal to receive operation commands issued by the portable remote control terminal and transmit the commands to the tank control machine for execution. The module includes a power supply and a data transmission interface plug-in 16 with the tank control machine, a control signal output module, a wireless signal transceiver interface 21, and an external wireless signal enhancement antenna 22.

[0055] Among them, the module power supply and internal data transmission interface plug-in 16 with the tank control machine is used to receive operation commands, and the communication mode supports RS232, RS485 and CAN communication protocols.

[0056] The control signal output module is electrically connected to the module power supply and the internal data transmission interface plug-in 16 of the cell control machine. It is used to convert operation commands into execution signals that can be recognized by the aluminum electrolysis cell control machine. It includes a 12-channel shell breaking execution signal output interface plug-in 17, a 12-channel alumina feeding execution signal output interface plug-in 18, a fluoride feeding and emergency stop execution signal output interface plug-in 19, and a standby execution signal output interface plug-in 20.

[0057] Among them, the 12-channel shell-breaking execution signal output interface plug-in 17 is used by the wireless data conversion module to output a 24V shell-breaking execution signal to the shell-breaking cylinder solenoid valve on the upper part of the slot after receiving the shell-breaking operation command, so that it can be activated. The execution signal output can be extended to a maximum of 12 channels.

[0058] The 12-channel alumina feeding execution signal output interface plug-in 18 is used by the wireless data conversion module to output a 24V alumina feeding execution signal to the solenoid valve of the upper volume-regulating feeder after receiving the alumina feeding operation command, so that it can be activated. The execution signal output can be extended to a maximum of 12 channels.

[0059] The fluoride salt feeding and emergency stop execution signal output interface plug-in 19 is used by the wireless data conversion module to output a 24V fluoride salt feeding execution signal to the solenoid valve of the constant volume feeder at the top of the tank after receiving the fluoride salt feeding operation command, so that it can be activated. When it receives the emergency stop operation command, it outputs a passive switch quantity emergency stop execution signal to the emergency stop control relay inside the tank controller to activate it and cause the 380V power supply of the tank controller to trip.

[0060] The backup execution signal output interface plug-in 20 is used by the wireless data conversion module to output a 24V active execution signal or a passive switch signal after receiving other operation commands. The execution signal output can be expanded to a maximum of 12 channels.

[0061] The wireless signal transceiver interface 21 is electrically connected to the module power supply and the internal data transmission interface plug-in 16 of the tank control machine. It is used for wireless data interaction between the wireless data conversion module and the portable remote control terminal. The interface adopts the SMA interface and supports LoRa, ZigBee and local area network Wi-Fi communication protocols.

[0062] An external wireless signal enhancement antenna 22 is connected to the outside of the wireless data conversion module and performs wireless data interaction with the portable remote control terminal. It adopts an SMA interface to increase the communication distance and signal stability between the wireless data conversion module and the portable remote control terminal.

[0063] The specific operation is as follows: The wireless data conversion module has a 35mm rail assembly, which is fixed on the internal guide rail of the original tank control machine; the power supply and data communication cable are led out from the power supply and data transmission interface plug-in 16 of the module and connected to the corresponding power supply and communication bus inside the original tank control machine, so that the wireless data conversion module is powered on and can exchange data with the original tank control machine; the control cable is led out from the 12-channel shell-breaking execution signal output interface plug-in 17 and connected in parallel with the shell-breaking signal output of the original tank control machine to realize remote shell-breaking operation; the control cable is led out from the 12-channel alumina feeding execution signal output interface plug-in 18 and connected in parallel with the alumina feeding signal output of the original tank control machine to realize remote alumina feeding operation; the fluoride feeding... The emergency stop execution signal output interface plug-in 19 leads out a control cable and connects in parallel with the original tank control machine's fluoride salt feeding and emergency stop signal outputs to realize remote control of fluoride salt feeding and emergency stop operations; the spare signal output interface plug-in 20 is a reserved control signal output interface, which will provide active or passive control nodes for subsequent modifications and improvements to other functions; the wireless signal transceiver interface 21 supports multiple communication protocols such as LoRa, ZigBee and LAN Wi-Fi, enabling wireless data communication with the portable remote control terminal; the external wireless signal enhancement antenna 22 will be installed outside the original tank control machine in an unobstructed location via an extension lead, providing good signal coverage and reception range for wireless communication with the portable remote control terminal.

[0064] A method for controlling aluminum electrolysis production based on a remote control operating device for aluminum electrolysis production includes the following steps:

[0065] S1. The operator sets the address of the target aluminum electrolytic cell controller and selects the corresponding process operation mode through a portable remote control terminal.

[0066] S2. The operator inputs the corresponding operation instructions on the portable remote control terminal, including shell breaking, alumina feeding, fluoride feeding, aluminum discharge, pole changing, bus lifting or emergency stop operation.

[0067] S3. The portable remote control terminal sends the operation commands input in S2 to the wireless data conversion module corresponding to the target aluminum electrolytic cell controller via wireless communication.

[0068] S4. After receiving the operation command, the wireless data conversion module converts the operation command into an execution signal that can be executed by the aluminum electrolytic cell controller through its internal control signal output module, and sends it to the target aluminum electrolytic cell controller.

[0069] S5. The target aluminum electrolysis cell controller executes the corresponding process actions according to the received execution signal, and at the same time feeds back the status information such as cell pressure and current to the portable remote control terminal in real time.

[0070] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A remote control operating device for aluminum electrolysis production, characterized in that, Includes a portable remote control terminal and a wireless data conversion module; The portable remote control terminal includes a shell, a display screen, a control module, an operation command input module, a safety protection module, and an operating grip strap; The control module is electrically connected to the display screen, the operation command input module, and the safety protection module, respectively. The device has a grip strap on the outer casing for holding the portable remote control terminal; The wireless data conversion module is installed inside the tank control machine and is wirelessly connected to the portable remote control terminal. It includes a module power supply and a data transmission interface plug-in with the tank control machine, a control signal output module, a wireless signal transceiver interface, and an external wireless signal enhancement antenna. Among them, the module power supply and the data transmission interface plug with the tank control machine are used to receive operation commands; The control signal output module and the wireless signal transceiver interface are electrically connected to the module power supply and the internal data transmission interface plug of the tank control machine, respectively. An external wireless signal enhancement antenna is connected to the outside of the wireless data conversion module and interacts wirelessly with a portable remote control terminal.

2. The remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The display screen is an OLED liquid crystal screen.

3. The remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The control module includes a tens digit electrolytic cell number selection knob, a units digit electrolytic cell number selection knob, and a remote control operation status selection knob; The ten-digit electrolytic cell number selection knob has three positions: 0, 1, and 2, which are used to set the ten-digit address to identify the target electrolytic cell controller. The unit cell number selection knob has ten positions from 0 to 9, used to set the unit address to identify the target electrolytic cell controller; The remote control operation mode selection knob has three settings: shell breaking, alumina feeding, and special process operation, which are used to select the type of process to be remotely operated.

4. A remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The operation command input module includes buttons for executing aluminum electrolysis shell breaking and alumina feeding, aluminum electrolysis fluoride salt feeding, aluminum electrolysis cell aluminum output process, aluminum electrolysis cell electrode changing process, aluminum electrolysis cell busbar lifting process, aluminum electrolysis cell special process termination button, and equipment power button.

5. A remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The safety protection module includes an emergency stop button, anti-accidental touch protection, and a shockproof silicone sleeve. The emergency stop button is electrically connected to the control module and has a self-locking function. Accidental touch protection is installed on the casing of the portable remote control terminal to prevent accidental operation by the operator; The shock-absorbing silicone sleeve is installed on the shell of the portable remote control terminal to cushion the impact force generated when the portable remote control terminal is dropped.

6. A remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The module's power supply and communication with the internal data transmission interface plug-in of the slot control machine support RS232, RS485 and CAN communication protocols.

7. A remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The communication interface module includes a 12-channel shell-breaking execution signal output interface plug-in, a 12-channel alumina feeding execution signal output interface plug-in, a fluoride feeding and emergency stop execution signal output interface plug-in, and a backup execution signal output interface plug-in.

8. A remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The wireless signal transceiver interface adopts an SMA interface, and the communication modes support LoRa, ZigBee and local area network Wi-Fi communication protocols.

9. A remote control operating device for aluminum electrolysis production according to claim 1, characterized in that, The external wireless signal enhancement antenna uses an SMA interface.

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