Remote control operation device for aluminum electrolysis production and control method thereof

Abstract

The invention provides a remote control operation device for aluminum electrolysis production and a control method of the remote control operation device, 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. By means of the mode, the control method of the remote control operation device for aluminum electrolysis production greatly relieves the labor intensity of front-line operators, and meanwhile, the real-time performance and accuracy of electrolysis production control are improved.

Description

Technical Field

[0001] The present invention relates to the field of industrial wireless control technology in the aluminum electrolysis industry, and more particularly to a remote control operation device for aluminum electrolysis production and a control method thereof. Background Art

[0002] In recent years, my country's aluminum electrolysis industry has developed rapidly, aluminum production capacity and output have continued to grow, the design scale and capacity of aluminum electrolytic cells have also increased accordingly, and 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, digitization, and networking, and is gradually leading the world's new aluminum electrolysis control technology.

[0003] In the traditional aluminum electrolysis production process, the process of aluminum electrolysis cells is completed by an aluminum electrolysis cell control machine that is fixedly installed on-site one-to-one at the flue end of the aluminum electrolysis plant. Due to the real-time and refined requirements of aluminum electrolysis process control, various aluminum electrolysis production process variables such as cell pressure, cell temperature, cell aluminum output, pole change, busbar lifting, etc. are collected and controlled in real time. However, as the intensity of aluminum electrolysis current continues to increase, the scale of on-site buildings also increases. As a result, on-site operators need to repeatedly go back and forth between the two ends of the electrolysis cell when obtaining cell information and performing process operations. Therefore, their labor intensity continues to increase, and the real-time and accuracy of control are greatly reduced. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned prior art and provide a remote control operation device and a control method for aluminum electrolysis production, which uses a portable remote control operation terminal to remotely and wirelessly control the selected cell control machine to control the process production of the electrolytic cell, thereby greatly reducing the labor intensity of front-line operators.

[0005] In order to achieve the above-mentioned object, the main technical solution adopted by the present invention is: a remote control operation device for aluminum electrolysis production, characterized in that the device includes a portable remote control operation terminal and a wireless data conversion module; The portable remote control operation terminal includes a housing, a display screen, a control module, an operation instruction input module, a safety protection module and an operation grip hand strap; Among them, the display screen is used to display operation information in real time; The control module is electrically connected to the operation and production information display screen and is used to set the target aluminum electrolytic cell address and select the process type; The operation instruction input module is electrically connected to the control module and is used to generate and transmit the operation instruction; The safety protection module is electrically connected to the control module to ensure the operational safety and device stability of the portable remote control terminal; The device holding hand strap is provided on the housing and is used to hold the portable remote control operation terminal; The wireless data conversion module is installed inside the slot control machine and is connected to the portable remote control operation terminal through wireless communication. It includes a module power supply and a data transmission interface plug-in with the slot 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 internal data transmission interface plug-in with the slot control machine are used to receive operation instructions; The control signal output module is electrically connected to the module power supply and the internal data transmission interface plug-in of the cell control machine, and is used to convert the operation instructions into execution signals that can be recognized by the aluminum electrolytic cell control machine; The wireless signal transceiver interface is electrically connected to the module power supply and the internal data transmission interface plug-in of the slot control machine, and is used for wireless data exchange between the wireless data conversion module and the portable remote control operation terminal; The external wireless signal enhancement antenna is connected to the outside of the wireless data conversion module and performs wireless data interaction with the portable remote control operation terminal to increase the communication distance and signal stability between the wireless data conversion module and the portable remote control operation terminal.

[0006] The display screen is an OLED liquid crystal screen.

[0007] 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 state selection knob; Among them, the tens-digit electrolytic cell number selection knob has three gear selections: 0, 1, and 2, which is used to set the tens-digit address to identify the target electrolytic cell control machine; The units digit electrolytic cell number selection knob has ten gear selections from 0 to 9, which is used to set the units digit address to identify the target electrolytic cell control machine; The remote control operation status selection knob has three gear selections: shelling, alumina feeding, and special process operation, which is used to select the process type to be remotely operated.

[0008] The operation instruction input module includes an aluminum electrolysis shelling and alumina feeding action execution button, an aluminum electrolysis fluoride salt feeding action execution button, an aluminum electrolysis cell aluminum tapping process operation execution button, an aluminum electrolysis cell pole changing process operation execution button, an aluminum electrolysis cell busbar lifting process operation execution button, an aluminum electrolysis cell process special operation termination button and an equipment power button. The buttons are made of stainless steel and protected by a transparent high-temperature resistant silicone rubber dustproof sealing protective cover; The aluminum electrolysis shelling and alumina feeding action execution buttons are used to generate and transmit shelling and alumina feeding operation instructions; The aluminum electrolysis fluoride salt feeding action execution button is used to generate and transmit the fluoride salt feeding operation instruction; The aluminum electrolytic cell aluminum tapping process operation execution button is used to generate and transmit aluminum tapping process operation instructions; The aluminum electrolysis cell pole-changing process operation execution button is used to generate and transmit pole-changing process operation instructions; The busbar lifting process operation execution button of the aluminum electrolysis cell is used to generate and transmit the busbar lifting process operation instruction; The aluminum electrolysis cell process special operation termination button is used to generate and transmit a termination special process operation instruction; The device power button is the power switch for the portable remote control operation terminal itself and is used when the portable remote control operation terminal is turned on or off.

[0009] The safety protection module includes an emergency stop button, anti-accidental touch protection and a shockproof silicone sheath; Among them, the emergency stop button is electrically connected to the control module. When operated, it can remotely control the tripping of the 380V main power supply of the selected slot control machine. The button has a self-locking function. After pressing it, it needs to be manually rotated to reset before the next operation can be performed. The anti-accidental touch protection is set on the shell of the portable remote control operation terminal to prevent the operator from operating it incorrectly; The shockproof silicone sheath is provided on the outer shell of the portable remote control operation terminal and is used to cushion the impact force generated when the portable remote control operation terminal falls.

[0010] The module power supply and communication mode with the internal data transmission interface plug-in of the slot control machine support RS232, RS485 and CAN communication protocols.

[0011] The communication interface module includes a 12-channel shelling execution signal output interface plug-in, a 12-channel alumina feeding execution signal output interface plug-in, a fluoride salt feeding and emergency stop execution signal output interface plug-in and a standby execution signal output interface plug-in; Among them, the 12-channel shelling execution signal output interface plug-in is used for the wireless data conversion module to output a 24V shelling execution signal to the shelling cylinder solenoid valve on the upper part of the tank to activate it after receiving the shelling operation instruction. The execution signal output can be expanded to 12 channels at most; The 12-channel alumina feeding execution signal output interface plug-in is used for the wireless data conversion module to output a 24V alumina feeding execution signal to the solenoid valve of the constant volume feeder on the upper part of the tank to activate it after receiving the alumina feeding operation instruction. The execution signal output can be expanded to 12 channels at most; The fluoride salt feeding and emergency stop execution signal output interface plug-in is used for the wireless data conversion module. After receiving the fluoride salt feeding operation instruction, it outputs a 24V fluoride salt feeding execution signal to the solenoid valve of the constant volume feeder on the upper part of the tank to activate it. When receiving the emergency stop operation instruction, it outputs a passive switch emergency stop execution signal to the emergency stop control relay inside the tank control machine to activate it, causing the 380V power supply of the tank control machine to trip. The spare execution signal output interface plug-in is used for the wireless data conversion module to support the output of 24V active execution signal or passive switch signal after receiving other operation instructions. The execution signal output can be expanded to up to 12 channels.

[0012] The wireless signal transceiver interface adopts an SMA interface, and the communication mode supports LoRa, ZigBee and local area network Wi-Fi communication protocols.

[0013] The external wireless signal enhancement antenna adopts an SMA interface.

[0014] A method for controlling aluminum electrolysis production based on a remote control device for aluminum electrolysis production comprises the following steps: S1. The operator sets the address of the target aluminum electrolytic cell control machine through the portable remote control terminal and selects the corresponding process operation mode; S2. The operator inputs the corresponding operation instructions on the portable remote control terminal, including shelling, alumina feeding, fluoride salt feeding, aluminum tapping, pole changing, busbar lifting or emergency stop operation; S3, the portable remote control operation terminal sends the operation instruction input in S2 to the wireless data conversion module corresponding to the target aluminum electrolysis cell control machine through wireless communication; S4. After receiving the operation instruction, the wireless data conversion module converts the operation instruction into an execution signal that can be executed by the aluminum electrolytic cell control machine through its internal control signal output module, and sends it to the target aluminum electrolytic cell control machine; S5. The target aluminum electrolytic cell control machine executes the corresponding process action according to the received execution signal, and at the same time feeds back the status information of the cell voltage and current to the portable remote control operation terminal in real time.

[0015] The present invention has the following beneficial effects and advantages: The present invention installs a wireless data conversion module inside a traditional cell control machine, and exchanges data from a portable remote control terminal with internal data communications of the cell control machine through the module, thereby achieving the purpose of controlling the process production of the electrolytic cell by remotely and wirelessly controlling the selected cell control machine using the portable remote control terminal, greatly reducing the labor intensity of front-line operators and, at the same time, improving the real-time and accuracy of electrolytic production control. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of the portable remote control terminal of the present invention; Figure 2 It is a structural diagram of the wireless data conversion module of the present invention.

[0017] In the figure: 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 shelling and alumina feeding action execution button; 07, aluminum electrolysis fluoride salt feeding action execution button; 08, aluminum electrolytic cell aluminum tapping process operation execution button; 09, aluminum electrolytic cell pole changing process operation execution button; 10, aluminum electrolytic cell busbar lifting process operation execution button; 11, aluminum electrolytic cell special process execution button Operation termination button; 12. Equipment power button; 13. Operation grip hand strap; 14. Anti-accidental touch protection; 15. Shockproof silicone sheath; 16. Module power supply and internal data transmission interface plug-in with the slot control machine; 17. 12-channel shelling 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. Standby signal output interface plug-in; 21. Wireless signal transceiver interface; 22. External wireless signal enhancement antenna. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] The present invention provides a remote control operation device for aluminum electrolysis production, comprising a portable remote control operation terminal and a wireless data conversion module; Figure 1 This is a structural diagram of the portable remote control terminal of the present invention, as shown in FIG. Figure 1 As shown, the portable remote control operation terminal is a handheld device for aluminum electrolysis operation personnel to complete remote wireless control of the selected cell. At the same time, the production information of the relevant cell can be obtained through the device, including an operation production information display screen 01, a control module, an operation instruction input module, a safety protection module and an operation grip hand strap 13; Among them, the operation and production information display screen 1 is an OLED liquid crystal display, which displays operation information in real time during the equipment operation process, such as: tank number, shelling, alumina feeding, fluoride salt feeding and special process operation status; The control module is electrically connected to the operation production information display screen and is used to set the target aluminum electrolytic cell address and select the process type, including the tens digit electrolytic cell number selection knob 03, the ones digit electrolytic cell number selection knob 04 and the remote control operation status selection knob 05; Among them, the tens-digit electrolytic cell number selection knob 03 has three gear selections: 0, 1, and 2, which is used to set the tens-digit address to identify the target electrolytic cell control machine; The units digit electrolytic cell number selection knob 04 has ten gear selections from 0 to 9, which is used to set the units digit address to identify the target electrolytic cell control machine; The remote control operation state selection knob 05 has three gear selections: shelling, alumina feeding, and special process operation, which is used to select the process type to be remotely operated; The operation instruction input module is electrically connected to the control module and is used to generate and transmit operation instructions, including the aluminum electrolysis shelling and alumina feeding action execution button 06, the aluminum electrolysis fluoride salt feeding action execution button 07, the aluminum electrolysis cell aluminum tapping process operation execution button 08, the aluminum electrolysis cell pole changing process operation execution button 09, the aluminum electrolysis cell busbar lifting process operation execution button 10, the aluminum electrolysis cell process special operation termination button 11 and the equipment power button 12. The buttons are made of stainless steel and protected by a transparent high-temperature resistant silicone rubber dustproof sealing protective cover; Aluminum electrolysis shelling and alumina feeding action execution button 06 is used to generate and transmit shelling and alumina feeding operation instructions; Aluminum electrolysis fluoride salt feeding action execution button 07 is used to generate and transmit fluoride salt feeding operation instructions; The aluminum electrolytic cell aluminum tapping process operation execution button 08 is used to generate and transmit the aluminum tapping process operation instruction; The aluminum electrolytic cell pole-changing process operation execution button 09 is used to generate and transmit the pole-changing process operation instruction; The aluminum electrolysis cell busbar lifting process operation execution button 10 is used to generate and transmit the busbar lifting process operation instruction; The aluminum electrolysis cell process special operation termination button 11 is used to generate and transmit a termination special process operation instruction; The device power button 12 is a power switch for the portable remote control operation terminal itself and is used when the portable remote control operation terminal is turned on or off.

[0020] The safety protection module is electrically connected to the control module and is used to ensure the operational safety and device stability of the portable remote control terminal. It includes an emergency stop button 02, an anti-accidental touch protection 14, and a shockproof silicone sheath 15. Among them, the emergency stop button 02 is electrically connected to the control module. When operated, it can remotely control the 380V main power supply tripping of the selected slot control machine. The button has a self-locking function. After pressing it, it needs to be manually rotated and reset before the next operation can be performed; The anti-accidental touch protection 14 is provided on the housing of the portable remote control operation terminal to prevent the operator from accidentally touching the emergency stop button 02 or the device power button when using or carrying the terminal; The shockproof silicone sheath 15 is provided on the housing of the portable remote control terminal. It is made of high-temperature resistant silicone rubber and wrapped around the device. The thickness is 1-5 mm. This design is intended to cushion the impact force caused by the device accidentally falling to the ground. The device holding hand strap 13 is provided on the housing of the portable remote control operation terminal and is used to hold the portable remote control operation terminal to prevent the operator from accidentally dropping the device when using the device; The specific operation is as follows: the operator presses the power button 12 of the device to power on the handheld device; operates the tens-digit electrolytic cell number selection knob 03 to select the tens-digit of the electrolytic cell address to be controlled and the ones-digit electrolytic cell number selection knob 04 to select the ones-digit of the electrolytic cell address to be controlled; observes that the cell number displayed on the production information display screen 01 is consistent with the cell number to be remotely controlled; operates the remote control operation state selection knob 05 to select the control command state to be executed, such as shelling, adding materials, and special operations; when the remote control operation state selection knob 0 5 When shelling is selected, press the aluminum electrolytic shelling and alumina feeding action execution buttons 061#-7#, and the tank control machine will execute the corresponding shelling 1#-7# command operations; when the remote control operation state selection knob 05 is selected to feed, press the aluminum electrolytic shelling and alumina feeding action execution buttons 061#-7#, and the tank control machine will execute the corresponding alumina feeding 1#-7# command operations; when the remote control operation state selection knob 05 is selected to feed, press the aluminum electrolytic fluoride salt feeding action execution button 07, and the tank control machine will execute Corresponding to the fluoride salt feeding command operation; when the remote control operation state selection knob 05 is selected to select special operation, select and press the aluminum electrolytic cell aluminum tapping process operation execution button 08, the cell control machine will execute the aluminum electrolytic cell aluminum tapping process operation; when the remote control operation state selection knob 05 is selected to select special operation, select and press the aluminum electrolytic cell pole changing process operation execution button 09, the cell control machine will execute the aluminum electrolytic cell pole changing process operation; when the remote control operation state selection knob 05 is selected to select special operation, select and press the aluminum electrolytic cell busbar lifting process operation execution button 10, the cell The control machine will execute the busbar lifting process operation of the aluminum electrolytic cell; when the remote control operation status selection knob 05 selects special operation, press the aluminum electrolytic cell process special operation termination button 11, the cell control machine will terminate the ongoing aluminum tapping, pole changing, and busbar lifting process operations; when the emergency stop button 02 is pressed, the main power supply of the anode lifting motor controlled by the cell control machine will be disconnected to ensure the safety of the process operation; while operating the above operations, the production information display screen 01 will display the command information and important production indicator information such as the electrolytic cell voltage and current in real time.

[0021] Figure 2 This is a structural diagram of the wireless data conversion module of the present invention, as shown in FIG. Figure 2 As shown, a wireless data conversion module will be installed inside each original slot control machine and set with unique slot number information. It will be connected to the portable remote control terminal through wireless communication to receive operation instructions from the portable remote control terminal and transmit the instructions to the slot control machine for execution. It includes a module power supply and an interface plug-in 16 for data transmission with the slot control machine, a control signal output module, a wireless signal transceiver interface 21 and an external wireless signal enhancement antenna 22. Among them, the module power supply and internal data transmission interface plug-in 16 with the slot controller are used to receive operation instructions, and the communication mode supports RS232, RS485 and CAN communication protocols; 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, and is used to convert the operation instructions into execution signals that can be recognized by the aluminum electrolytic cell control machine, including a 12-channel shelling execution signal output interface plug-in 17, a 12-channel alumina feeding execution signal output interface plug-in 18, a fluoride salt feeding and emergency stop execution signal output interface plug-in 19 and a standby execution signal output interface plug-in 20; Among them, the 12-channel shelling execution signal output interface plug-in 17 is used for the wireless data conversion module to output a 24V shelling execution signal to the shelling cylinder solenoid valve on the upper part of the tank to make it act after receiving the shelling operation instruction. The execution signal output can be expanded to 12 channels at most; The 12-channel alumina feeding execution signal output interface plug-in 18 is used for the wireless data conversion module to output a 24V alumina feeding execution signal to the solenoid valve of the constant volume feeder at the top of the tank to activate it after receiving the alumina feeding operation instruction. The execution signal output can be expanded to 12 channels at most; The fluoride salt feeding and emergency stop execution signal output interface plug-in 19 is used for the wireless data conversion module to output a 24V fluoride salt feeding execution signal to the solenoid valve of the constant volume feeder on the upper part of the tank to make it actuate after receiving the fluoride salt feeding operation instruction. When receiving the emergency stop operation instruction, it outputs a passive switch emergency stop execution signal to the emergency stop control relay inside the tank control machine to make it actuate, causing the 380V power supply of the tank control machine to trip; The standby execution signal output interface plug-in 20 is used for the wireless data conversion module to support the output of 24V active execution signal or passive switch signal after receiving other operation instructions. The execution signal output can be expanded to 12 channels at most. 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 slot control machine, and is used for wireless data conversion module and portable remote control operation terminal to perform wireless data interaction. The interface adopts SMA interface, and the communication mode supports LoRa, ZigBee and LAN Wi-Fi communication protocols; The 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 uses an SMA interface to increase the communication distance and signal stability between the wireless data conversion module and the portable remote control terminal. 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 slot control machine; the power supply and the data transmission interface plug-in 16 of the module are connected to the corresponding power supply and communication bus of the original slot control machine, so that the wireless data conversion module is powered on and exchanges data with the original slot control machine; the control cable is led out from the 12-channel shelling execution signal output interface plug-in 17 and connected to the shelling signal output of the original slot control machine to realize remote shelling operation; the control cable is led out from the 12-channel alumina feeding execution signal output interface plug-in 18 and connected to the alumina feeding signal output of the original slot control machine to realize remote control alumina feeding operation; the fluoride salt feeding The emergency stop execution signal output interface plug-in 19 leads out the control cable and is connected to the fluoride salt feeding and emergency stop signal output of the original slot control machine to realize remote control 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 modification and improvement of other functions; the wireless signal transceiver interface 21, which supports multiple communication protocols such as LoRa, ZigBee and LAN Wi-Fi, enables it to communicate wireless data with the portable remote control operation terminal; the external wireless signal enhancement antenna 22 will be set on the outside of the original slot control machine through an extended lead, and in an unsheltered place, to provide good signal coverage and receiving range, and to communicate wirelessly with the portable remote control operation terminal.

[0022] A method for controlling aluminum electrolysis production based on a remote control device for aluminum electrolysis production, characterized by comprising the following steps: S1. The operator sets the address of the target aluminum electrolytic cell control machine through the portable remote control terminal and selects the corresponding process operation mode; S2. The operator inputs the corresponding operation instructions on the portable remote control terminal, including shelling, alumina feeding, fluoride salt feeding, aluminum tapping, pole changing, busbar lifting or emergency stop operation; S3, the portable remote control operation terminal sends the operation instruction input in S2 to the wireless data conversion module corresponding to the target aluminum electrolysis cell control machine through wireless communication; S4. After receiving the operation instruction, the wireless data conversion module converts the operation instruction into an execution signal that can be executed by the aluminum electrolytic cell control machine through its internal control signal output module, and sends it to the target aluminum electrolytic cell control machine; S5. The target aluminum electrolytic cell control machine executes the corresponding process action according to the received execution signal, and at the same time feeds back the cell voltage, current and other status information to the portable remote control operation terminal in real time.

[0023] The above disclosure is merely a preferred embodiment of the present invention and certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims

1. A remote control device for aluminum electrolysis production, characterized in that: The device includes a portable remote control operation terminal and a wireless data conversion module; The portable remote control operation terminal includes a housing, a display screen, a control module, an operation instruction input module, a safety protection module and an operation grip hand strap; Among them, the display screen is used to display operation information in real time; The control module is electrically connected to the display screen and is used to set the target aluminum electrolysis cell address and select the process type; The operation instruction input module is electrically connected to the control module and is used to generate and transmit the operation instruction; The safety protection module is electrically connected to the control module to ensure the operational safety and device stability of the portable remote control terminal; The device holding hand strap is provided on the housing of the portable remote control operation terminal and is used for holding the portable remote control operation terminal; The wireless data conversion module is installed inside the slot control machine and is connected to the portable remote control operation terminal through wireless communication. It includes a module power supply and a data transmission interface plug-in with the slot 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 internal data transmission interface plug-in with the slot control machine are used to receive operation instructions; The control signal output module is electrically connected to the module power supply and the internal data transmission interface plug-in of the cell control machine, and is used to convert the operation instructions into execution signals that can be recognized by the aluminum electrolytic cell control machine; The wireless signal transceiver interface is electrically connected to the module power supply and the internal data transmission interface plug-in of the slot control machine, and is used for wireless data exchange between the wireless data conversion module and the portable remote control operation terminal; The external wireless signal enhancement antenna is connected to the outside of the wireless data conversion module and performs wireless data interaction with the portable remote control operation terminal to increase the communication distance and signal stability between the wireless data conversion module and the portable remote control operation terminal.

2. A remote control operation 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 operation 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 state selection knob; Among them, the tens-digit electrolytic cell number selection knob has three gear selections: 0, 1, and 2, which is used to set the tens-digit address to identify the target electrolytic cell control machine; The units digit electrolytic cell number selection knob has ten gear selections from 0 to 9, which is used to set the units digit address to identify the target electrolytic cell control machine; The remote control operation status selection knob has three gear selections: shelling, alumina feeding, and special process operation, which is used to select the process type to be remotely operated.

4. The remote control operation device for aluminum electrolysis production according to claim 1, characterized in that: The operation instruction input module includes an aluminum electrolysis shelling and alumina feeding action execution button, an aluminum electrolysis fluoride salt feeding action execution button, an aluminum electrolysis cell aluminum tapping process operation execution button, an aluminum electrolysis cell pole changing process operation execution button, an aluminum electrolysis cell busbar lifting process operation execution button, an aluminum electrolysis cell process special operation termination button and an equipment power button. The buttons are made of stainless steel and protected by a transparent high-temperature resistant silicone rubber dustproof sealing protective cover; The aluminum electrolysis shelling and alumina feeding action execution buttons are used to generate and transmit shelling and alumina feeding operation instructions; The aluminum electrolysis fluoride salt feeding action execution button is used to generate and transmit the fluoride salt feeding operation instruction; The aluminum electrolytic cell aluminum tapping process operation execution button is used to generate and transmit aluminum tapping process operation instructions; The aluminum electrolysis cell pole-changing process operation execution button is used to generate and transmit pole-changing process operation instructions; The busbar lifting process operation execution button of the aluminum electrolysis cell is used to generate and transmit the busbar lifting process operation instruction; The aluminum electrolysis cell process special operation termination button is used to generate and transmit a termination special process operation instruction; The device power button is the power switch for the portable remote control operation terminal itself and is used when the portable remote control operation terminal is turned on or off.

5. The remote control operation 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 sheath; Among them, the emergency stop button is electrically connected to the control module. When operated, it can remotely control the tripping of the 380V main power supply of the selected slot control machine. The button has a self-locking function. After pressing it, it needs to be manually rotated to reset before the next operation can be performed. The anti-accidental touch protection is set on the shell of the portable remote control operation terminal to prevent the operator from operating it incorrectly; The shockproof silicone sheath is provided on the outer shell of the portable remote control operation terminal and is used to cushion the impact force generated when the portable remote control operation terminal falls.

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

7. The remote control operation device for aluminum electrolysis production according to claim 1, characterized in that: The communication interface module includes a 12-channel shelling execution signal output interface plug-in, a 12-channel alumina feeding execution signal output interface plug-in, a fluoride salt feeding and emergency stop execution signal output interface plug-in and a standby execution signal output interface plug-in; Among them, the 12-channel shelling execution signal output interface plug-in is used for the wireless data conversion module to output a 24V shelling execution signal to the shelling cylinder solenoid valve on the upper part of the tank to activate it after receiving the shelling operation instruction. The execution signal output can be expanded to 12 channels at most; The 12-channel alumina feeding execution signal output interface plug-in is used for the wireless data conversion module to output a 24V alumina feeding execution signal to the solenoid valve of the constant volume feeder on the upper part of the tank to activate it after receiving the alumina feeding operation instruction. The execution signal output can be expanded to 12 channels at most; The fluoride salt feeding and emergency stop execution signal output interface plug-in is used for the wireless data conversion module. After receiving the fluoride salt feeding operation instruction, it outputs a 24V fluoride salt feeding execution signal to the solenoid valve of the constant volume feeder on the upper part of the tank to activate it. When receiving the emergency stop operation instruction, it outputs a passive switch emergency stop execution signal to the emergency stop control relay inside the tank control machine to activate it, causing the 380V power supply of the tank control machine to trip. The spare execution signal output interface plug-in is used for the wireless data conversion module to support the output of 24V active execution signal or passive switch signal after receiving other operation instructions. The execution signal output can be expanded to up to 12 channels.

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

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

10. A method for controlling aluminum electrolysis production based on a remote control device for aluminum electrolysis production, characterized in that: The steps include: S1. The operator sets the address of the target aluminum electrolytic cell control machine through the portable remote control terminal and selects the corresponding process operation mode; S2. The operator inputs the corresponding operation instructions on the portable remote control terminal, including shelling, alumina feeding, fluoride salt feeding, aluminum tapping, pole changing, busbar lifting or emergency stop operation; S3, the portable remote control operation terminal sends the operation instruction input in S2 to the wireless data conversion module corresponding to the target aluminum electrolysis cell control machine through wireless communication; S4. After receiving the operation instruction, the wireless data conversion module converts the operation instruction into an execution signal that can be executed by the aluminum electrolytic cell control machine through its internal control signal output module, and sends it to the target aluminum electrolytic cell control machine; S5. The target aluminum electrolytic cell control machine executes the corresponding process action according to the received execution signal, and at the same time feeds back the status information of the cell voltage and current to the portable remote control operation terminal in real time.

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