Intermediate frequency furnace operating platform suitable for remote operation
By using optical fiber conversion modules in the intermediate frequency furnace operation table for signal conversion and transmission, the communication stability and human-computer interaction interface problems in the existing medium frequency furnace long-distance operation technology are solved, and stable, reliable and costly long-distance operation is achieved. It also supports the connection of multi-intermediate frequency furnace control cabinets.
Patent Information
- Application Number
- CN202411847022.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-02-11
AI Technical Summary
The existing medium-frequency furnace long-distance operation technology has problems such as low communication stability, unfriendly human-computer interaction interface and high cost, and it is difficult to widely promote in actual production.
The optical fiber conversion module is used to convert the electrical signal of the operation command into an optical signal, and transmit it to the intermediate frequency furnace control cabinet through an optical fiber cable, and convert the feedback optical signal back to the electrical signal to realize the signal between the intermediate frequency furnace operating table and the intermediate frequency furnace control cabinet. Interactive transmission.
It realizes stable and reliable long-distance operation of the intermediate frequency furnace, simplifies the operation process, reduces costs, and supports connection with multiple intermediate frequency furnace control cabinets to realize long-distance operation of multiple intermediate frequency furnaces.
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Figure CN119412959A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a medium frequency furnace operating table suitable for long-distance operation. Background Art
[0002] As an important metal smelting equipment, medium frequency furnace has been widely used in metallurgy, casting and other industries. Traditional medium frequency furnace operation usually requires operators to operate on-site near the medium frequency furnace. Operators are directly exposed to harsh environments such as high temperature, strong electromagnetic radiation, and noise, which not only has high labor intensity, but also poses great safety risks.
[0003] With the continuous development of industrial automation and intelligent technology, higher requirements are put forward for the safety, convenience and accuracy of medium frequency furnace operation. In order to improve the working environment of operators, reduce safety risks, and improve production efficiency and product quality, there is an urgent need for a medium frequency furnace operating table that can achieve remote operation.
[0004] On the one hand, the progress of modern communication technology and control technology has made remote operation possible. By adopting a reliable communication method, the operating status information of the medium frequency furnace can be transmitted to the remote operation console in real time, and the remote control of the medium frequency furnace can be realized. On the other hand, the continuous improvement of the automatic control system also enables the medium frequency furnace to respond to remote operation instructions more accurately, improving the stability and controllability of the production process.
[0005] At present, although there have been some attempts to achieve remote operation of medium frequency furnaces, there are still some shortcomings. For example, the communication stability of some remote control systems is not high enough and is easily interfered with, resulting in untimely transmission of operating instructions or errors, affecting the normal operation of the medium frequency furnace. In addition, the human-computer interaction interface of some operating tables is not friendly enough, the operation is complicated, and it is not easy for operators to quickly master and use it. In addition, the cost of some remote operation solutions is high, and it is difficult to widely promote and apply them in actual production. Summary of the invention
[0006] The purpose of the present invention is to overcome the defects of the prior art and provide a medium frequency furnace operating table suitable for remote operation, which realizes remote operation of the medium frequency furnace through an optical fiber conversion module. It is stable and reliable, easy to operate, and has reasonable cost. It can also be connected to multiple medium frequency furnace control cabinets to realize remote operation of multiple medium frequency furnaces.
[0007] The technical solution to achieve the above purpose is: a medium frequency furnace operating table suitable for remote operation, including an operating panel, an optical fiber conversion module, an operating controller and a safety protector, wherein:
[0008] The operation panel, the optical fiber conversion module and the safety protector are respectively connected to the operation controller;
[0009] The fiber conversion module includes a housing and a power converter, an Ethernet communication module, a transceiver, a controller, a photoelectric converter and a DB-to-fiber connector arranged therein; the Ethernet communication module is connected to the transceiver, the output end of the transceiver is connected to the input end of the controller, and the output end of the controller is connected to the input end of the photoelectric converter; the output end of the photoelectric converter is connected to the DB-to-fiber connector; the housing is provided with an Ethernet port and a DB conversion port, and the DB-to-fiber connector is arranged in the DB conversion port;
[0010] The medium frequency furnace control cabinet is equipped with an optical fiber conversion module;
[0011] The optical fiber conversion module of the intermediate frequency furnace operating table is connected to the optical fiber conversion module in at least one intermediate frequency furnace control cabinet through an optical fiber cable.
[0012] The above-mentioned medium frequency furnace operating table suitable for remote operation, wherein the operating panel is used to input operating instructions;
[0013] The optical fiber conversion module is used to convert the electrical signal of the operation instruction into an optical signal and transmit it to the intermediate frequency furnace control cabinet through the optical fiber. At the same time, it can also convert the optical signal received from the intermediate frequency furnace control cabinet back into an electrical signal and transmit it to the operation controller, thereby realizing the signal interactive transmission between the intermediate frequency furnace operating table and the intermediate frequency furnace control cabinet;
[0014] The operation controller is used to process the operation instructions and control the operation of the optical fiber conversion module;
[0015] The safety protector is used to monitor the legality of the operating instructions and the working state of the intermediate frequency furnace. When an abnormal situation is found, an alarm is issued in time and the operation of the intermediate frequency furnace is stopped.
[0016] The above-mentioned medium frequency furnace operating table suitable for remote operation, wherein the DB-to-fiber connector adopts a plug-in structure, and the DB-to-fiber connector is plugged into the DB conversion port.
[0017] The above-mentioned medium frequency furnace operating table is suitable for remote operation, wherein the operating panel includes a display screen and a plurality of operating buttons, the display screen is used to display the working status information of the medium frequency furnace, and the operating buttons are used to input operating instructions.
[0018] The above-mentioned medium frequency furnace operating table suitable for remote operation, wherein the operating buttons include a start button, a stop button, a power adjustment button and a frequency adjustment button.
[0019] The above-mentioned medium frequency furnace operating table is suitable for remote operation, wherein the operation controller includes a microprocessor and a memory, the microprocessor is used to process operation instructions, and the memory is used to store operation instructions and working status information of the medium frequency furnace.
[0020] The above-mentioned medium frequency furnace operating table is suitable for remote operation, wherein the safety protector includes an instruction legitimacy detection unit, a working status monitoring unit and an alarm unit, the instruction legitimacy detection unit is used to detect whether the operation instruction is legal, the working status monitoring unit is used to monitor the working status of the medium frequency furnace, and the alarm unit is used to issue an alarm.
[0021] The medium frequency furnace operating table suitable for remote operation of the present invention realizes remote operation of the medium frequency furnace through an optical fiber conversion module, is stable and reliable, easy to operate, and has reasonable cost. It can also be connected to multiple medium frequency furnace control cabinets to realize remote operation of multiple medium frequency furnaces. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural schematic diagram of the medium frequency furnace operating table suitable for remote operation of the present invention;
[0023] Figure 2 is a schematic diagram of the operation panel;
[0024] Figure 3 It is a structural schematic diagram of the optical fiber conversion module;
[0025] Figure 4 It is a schematic diagram of the housing of the optical fiber conversion module;
[0026] Figure 5 This is a usage status diagram of the medium frequency furnace operating table suitable for remote operation of the present invention. DETAILED DESCRIPTION
[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the specific implementation methods thereof are described in detail below in conjunction with the accompanying drawings:
[0028] See also Figures 1 to 5 The best embodiment of the present invention is a medium frequency furnace operating table 100 suitable for remote operation, including an operating panel 1, an optical fiber conversion module 2, an operating controller 3 and a safety protector 4.
[0029] The operation panel 1 , the optical fiber conversion module 2 and the safety protector 4 are respectively connected to the operation controller 3 .
[0030] The operation panel 1 is used to input operation instructions; the optical fiber conversion module 2 is used to convert the electrical signal of the operation instruction into an optical signal and transmit it to the medium frequency furnace control cabinet 200 through optical fiber, and can also convert the optical signal received from the medium frequency furnace control cabinet 5 back into an electrical signal and transmit it to the operation controller 3, thereby realizing the signal interaction transmission between the medium frequency furnace operating table 100 and the medium frequency furnace control cabinet 200; the operation controller 3 is used to process the operation instruction and control the operation of the optical fiber conversion module 2; the safety protector 4 is used to monitor the legitimacy of the operation instruction and the working status of the medium frequency furnace. When an abnormal situation is found, an alarm is promptly issued and the operation of the medium frequency furnace is stopped.
[0031] The optical fiber conversion module 2 includes a housing 21 and a power converter 22, an Ethernet communication module 23, a transceiver 24, a controller 25, a photoelectric converter 26 and a DB-to-fiber connector 27 arranged therein; the Ethernet communication module 23 is connected to the transceiver 24, the output end of the transceiver 24 is connected to the input end of the controller 25, and the output end of the controller 25 is connected to the input end of the photoelectric converter 26; the output end of the photoelectric converter 26 is connected to the DB-to-fiber connector 27; three Ethernet ports 28 and a DB conversion port 29 are arranged on the housing, and the DB-to-fiber connector 27 is arranged in the DB conversion port 29; the DB-to-fiber connector 27 adopts a plug-in structure, and the DB-to-fiber connector 27 is plugged into the DB conversion port 29, without the need for welding, and the installation is simple and reliable.
[0032] The medium frequency furnace control cabinet 200 is also provided with an optical fiber conversion module 201; the optical fiber conversion module 2 of the medium frequency furnace operating console 100 is connected to the optical fiber conversion module 201 in at least one medium frequency furnace control cabinet 200 through an optical fiber cable 300. In this embodiment, only one medium frequency furnace control cabinet 200 is connected, and the medium frequency furnace operating console 100 can also be connected to multiple medium frequency furnace control cabinets to realize remote operation of multiple medium frequency furnaces.
[0033] The operation panel 1 includes a display screen 11 and a plurality of operation buttons. The display screen 11 is used to display the working status information of the intermediate frequency furnace, and the operation buttons are used to input operation instructions. The operation buttons include a start button 12, a stop button 13, a power adjustment button 14, and a frequency adjustment button 15. The operation panel 1 is also provided with a furnace power meter 16, an emergency stop button 17, a status indicator light 18, a display reset test button 19, etc. If two intermediate frequency furnaces need to be connected, there are multiple operation panels, each corresponding to an intermediate frequency furnace. The green light of the status indicator light 18 indicates that the operating console is working normally, the yellow light indicates that the restricted start, and the red light indicates that the operating console stops working.
[0034] The operation controller 3 includes a microprocessor 31 and a memory 32. The microprocessor 31 is used to process operation instructions, and the memory 32 is used to store operation instructions and working status information of the intermediate frequency furnace.
[0035] The safety protector 4 includes an instruction legitimacy detection unit 41, a working state monitoring unit 42 and an alarm unit 43. The instruction legitimacy detection unit 41 is used to detect whether the operation instruction is legal, the working state monitoring unit 42 is used to monitor the working state of the medium frequency furnace, and the alarm unit 43 is used to issue an alarm.
[0036] The intermediate frequency furnace operating table suitable for remote operation of the present invention is equipped with a high-resolution display screen, which can display the operating status parameters of the intermediate frequency furnace in real time, such as temperature, power, current, etc. It is equipped with an intuitive and easy-to-use operation interface, including buttons, knobs, touch screens, etc., which is convenient for operators to input control instructions. It has a built-in high-performance operation controller, which can quickly process and respond to operation instructions and communicate data with other components.
[0037] The optical fiber conversion module 2 is an important component of the medium frequency furnace operating table of the present invention, which is intended to achieve efficient and stable signal transmission and improve the reliability and safety of medium frequency furnace operation. Its functions and effects are as follows:
[0038] (1) Signal conversion: The electrical signal emitted by the operating table is converted into an optical signal for transmission. At the same time, the received optical signal can also be converted back into an electrical signal to realize signal interaction between the operating table and the intermediate frequency furnace control cabinet (intermediate frequency furnace control system).
[0039] (2) Long-distance transmission: The low-loss and high-bandwidth characteristics of optical fiber cables can be used to achieve long-distance signal transmission, greatly expanding the operating range of the operating table and enabling operators to operate the medium-frequency furnace in a safer and more comfortable position.
[0040] (3) Strong anti-interference ability: Fiber optic cable transmission is not subject to electromagnetic interference, which can effectively avoid the influence of electromagnetic interference in industrial environment on signal transmission, ensuring the accurate transmission of operating instructions and the stable feedback of the working status information of the medium frequency furnace.
[0041] The technical features of the fiber optic conversion module 2 are as follows:
[0042] (1) High-speed conversion: It has a fast signal conversion speed and can meet the real-time requirements of medium frequency furnace operation.
[0043] (2) Stable and reliable: Use high-quality optical fibers and electronic components to ensure the stability and reliability of signal conversion and reduce the error rate of signal transmission.
[0044] (3) Good compatibility: It is compatible with many different types of operating tables and medium frequency furnace control systems, making it easy to integrate and use.
[0045] (4) Easy to install and maintain: The structure is simple in design and easy to install. It also has good maintainability, which reduces the cost of use.
[0046] When the optical fiber conversion module 2 is used, first correctly connect the optical fiber conversion module 2 to the operating table and the intermediate frequency furnace control cabinet, and then connect the optical fiber conversion modules 2 in the two through the optical fiber cable 300 to ensure that the connection is firm and reliable. Turn on the operating table and the intermediate frequency furnace control cabinet, and the optical fiber conversion module 2 will automatically perform signal conversion and transmission. During the operation, the operator issues an operation instruction through the intermediate frequency furnace operating table 100, and the optical fiber conversion module 2 converts the instruction into an optical signal and transmits it to the intermediate frequency furnace control cabinet 200. After the intermediate frequency furnace control cabinet 200 executes the instruction, it feeds back the working status information to the optical fiber conversion module 2 in the form of an optical signal, and then converts it into an electrical signal and displays it on the intermediate frequency furnace operating table 100.
[0047] The medium frequency furnace operating table suitable for remote operation of the present invention can establish a stable and reliable communication network as needed to connect the operating console, the optical fiber conversion module and the medium frequency furnace when in use. The communication network has data encryption and verification functions to prevent data from being tampered with or lost, thereby ensuring the safety of the operation. The operating table can also be provided with multiple safety protection measures, such as an emergency stop button, a fault alarm system, etc. In the event of an abnormal situation, the operation of the medium frequency furnace can be stopped quickly to ensure the safety of the operator and the equipment. The communication system is monitored in real time, and once a communication failure is found, the backup communication channel is immediately started or corresponding emergency measures are taken.
[0048] The specific process of installing the medium frequency furnace operating table suitable for remote operation of the present invention is as follows:
[0049] (1) Choose a suitable installation location: Install the medium frequency furnace operating table in a safe, dry, and well-ventilated indoor environment about 900 meters away from the medium frequency furnace. Ensure that the installation location is convenient for operators to observe and operate, while avoiding external interference.
[0050] (2) Connect the optical fiber conversion module: Connect the optical fiber conversion module to the intermediate frequency furnace control cabinet and the intermediate frequency furnace operating table respectively. Ensure that the connection is firm and the optical fiber line is not bent or damaged.
[0051] (3) Install the communication system: Select the appropriate communication method according to actual needs, and install and debug the corresponding equipment. Ensure that the communication system is stable and reliable, and the signal transmission is uninterrupted.
[0052] (4) Install the operation panel of the operation table: Fix the operation panel of the operation table to the installation location, connect the power supply and other necessary equipment. Ensure that the display screen, buttons, knobs and other components of the operation panel are working properly.
[0053] The operation flow of the medium frequency furnace operating table suitable for remote operation of the present invention when in use is as follows:
[0054] (1) Start-up preparation: Check whether the connection between the operating table and the intermediate frequency furnace is normal, and whether the optical fiber conversion module and the communication system are working stably. Confirm that the various parameters of the intermediate frequency furnace are set correctly, such as power, frequency, heating time, etc. Operators wear necessary protective equipment, such as safety helmets, protective gloves, etc.
[0055] (2) Start-up operation: Press the power button on the console to start the console. The display will show the initial status information of the intermediate frequency furnace. Use the control buttons or touch screen on the console to set the working parameters of the intermediate frequency furnace, such as power, frequency, etc. After confirming that the parameter settings are correct, press the start button to start the intermediate frequency furnace.
[0056] (3) Operation monitoring: During the operation of the intermediate frequency furnace, the operator can monitor the operation status of the intermediate frequency furnace in real time through the display screen on the operating table, such as temperature, power, current, etc. If any abnormality is found, the operator can take corresponding measures in time, such as adjusting parameters, stopping operation, etc. Regularly check the working status of the optical fiber conversion module and the communication system to ensure stable signal transmission.
[0057] (4) Shutdown operation: When the intermediate frequency furnace completes its work task or needs to be shut down, the operator can press the stop button on the operating table to stop the operation of the intermediate frequency furnace. Wait for the intermediate frequency furnace to cool to a safe temperature and then turn off the power supply of the operating table.
[0058] The medium frequency furnace operating table suitable for remote operation of the present invention needs regular maintenance:
[0059] (1) Regular inspection: Regularly check the working status of the operation console, fiber conversion module, communication system and other equipment to ensure the normal operation of the equipment. Check whether the fiber optic line is damaged or bent, and replace it in time if there is any problem. Check whether the display screen, buttons, knobs and other components on the operation console are working properly, and repair or replace them in time if there is any fault.
[0060] (2) Cleaning and maintenance: Clean the operating table and other equipment regularly to keep the equipment clean and sanitary. Avoid placing debris on the operating table to avoid affecting the normal operation of the equipment. Perform regular maintenance on the fiber optic conversion module and communication system to ensure the stability and reliability of the equipment.
[0061] (4) Troubleshooting: If a fault is found in the equipment, stop using it immediately and conduct troubleshooting. Analyze the cause of the fault according to the fault phenomenon and take appropriate measures to solve it. If the problem cannot be solved by yourself, contact professional technicians for repair in time.
[0062] The precautions for using the medium frequency furnace operating table suitable for remote operation of the present invention are as follows:
[0063] (1) Operators must undergo professional training and be familiar with the operation methods and safety precautions of the medium frequency furnace operating table.
[0064] (2) During the operation, strictly follow the operating procedures to avoid incorrect operation.
[0065] (3) Perform regular maintenance on the equipment to ensure its normal operation.
[0066] (4) If any abnormality is found in the equipment, stop using it immediately and conduct troubleshooting.
[0067] (5) When performing long-distance operations, ensure that the communication system is stable and reliable and that signal transmission is uninterrupted.
[0068] (6) The operator should pay close attention to the operating status of the medium frequency furnace and take appropriate measures in time if any abnormal situation is found.
[0069] (7) It is strictly prohibited to perform illegal operations or install unauthorized software on the console.
[0070] (8) Conduct regular safety inspections on equipment to ensure that it meets safety standards
[0071] To sum up, the medium frequency furnace operating table suitable for remote operation of the present invention realizes remote operation of the medium frequency furnace through the optical fiber conversion module, is stable and reliable, easy to operate, and has reasonable cost, and can be connected to multiple medium frequency furnace control cabinets to realize remote operation of multiple medium frequency furnaces.
[0072] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.
Claims
1. A medium frequency furnace operating table suitable for remote operation, characterized in that: It includes an operation panel, a fiber optic conversion module, an operation controller and a safety protector, wherein: The operation panel, the optical fiber conversion module and the safety protector are respectively connected to the operation controller; The fiber conversion module includes a housing and a power converter, an Ethernet communication module, a transceiver, a controller, a photoelectric converter and a DB-to-fiber connector arranged therein; the Ethernet communication module is connected to the transceiver, the output end of the transceiver is connected to the input end of the controller, and the output end of the controller is connected to the input end of the photoelectric converter; the output end of the photoelectric converter is connected to the DB-to-fiber connector; the housing is provided with an Ethernet port and a DB conversion port, and the DB-to-fiber connector is arranged in the DB conversion port; The medium frequency furnace control cabinet is equipped with an optical fiber conversion module; The optical fiber conversion module of the intermediate frequency furnace operating table is connected to the optical fiber conversion module in at least one intermediate frequency furnace control cabinet through an optical fiber cable.
2. The medium frequency furnace operating table suitable for remote operation according to claim 1, characterized in that: The operation panel is used to input operation instructions; The optical fiber conversion module is used to convert the electrical signal of the operation instruction into an optical signal and transmit it to the intermediate frequency furnace control cabinet through the optical fiber. At the same time, it can also convert the optical signal received from the intermediate frequency furnace control cabinet back into an electrical signal and transmit it to the operation controller, thereby realizing the signal interactive transmission between the intermediate frequency furnace operating table and the intermediate frequency furnace control cabinet; The operation controller is used to process the operation instructions and control the operation of the optical fiber conversion module; The safety protector is used to monitor the legality of the operating instructions and the working state of the intermediate frequency furnace. When an abnormal situation is found, an alarm is issued in time and the operation of the intermediate frequency furnace is stopped.
3. The medium frequency furnace operating table suitable for remote operation according to claim 1, characterized in that: The DB-to-fiber connector adopts a plug-in structure, and the DB-to-fiber connector is plugged into the DB conversion port.
4. The medium frequency furnace operating table suitable for remote operation according to claim 1, characterized in that: The operation panel includes a display screen and a plurality of operation buttons, the display screen is used to display the working status information of the intermediate frequency furnace, and the operation buttons are used to input operation instructions.
5. The medium frequency furnace operating table suitable for remote operation according to claim 4, characterized in that: The operation buttons include a start button, a stop button, a power adjustment button and a frequency adjustment button.
6. The medium frequency furnace operating table suitable for remote operation according to claim 1, characterized in that: The operation controller includes a microprocessor and a memory, wherein the microprocessor is used to process operation instructions, and the memory is used to store operation instructions and working status information of the intermediate frequency furnace.
7. The medium frequency furnace operating table suitable for remote operation according to claim 1, characterized in that: The safety protector includes an instruction legitimacy detection unit, a working status monitoring unit and an alarm unit. The instruction legitimacy detection unit is used to detect whether the operation instruction is legal, the working status monitoring unit is used to monitor the working status of the medium frequency furnace, and the alarm unit is used to issue an alarm.