KR0146786B1 - Ironworks installment detecting apparatus - Google Patents

Abstract

Control and status signals are collected and stored using a processor computer, which is composed of screens for monitoring and inspection through a monitor at the working location of the electrical room. Collecting and managing data for a large amount of high-density signals at a maximum of 0.1ms In the event of a fault, the programmable logic controller (hereinafter referred to as PLC) data together with the pre-prepared equipment maps and data are automatically displayed on the personal computer monitor so that the fault location, the location and the contents of the data can be viewed immediately and the fault can be traced and analyzed. It is a steel equipment inspection and display device that can accurately store and analyze a large amount of high density data at the time of an accident.

Description

Steel facility inspection indication device

1 is a block diagram showing the configuration of a display device according to the present invention.

2 is a monitoring screen that monitors whether everything in the factory is operating normally.

3 is a check screen of the overall equipment screen according to the present invention.

4 is a thyristors waveform check comprehensive screen.

5 is a comprehensive screen of power waveform check.

6 is a failure situation screen while grasping the situation of the high and high moment.

7 is a thyristor data analysis screen.

8 is an emergency system situation action screen in case of power system abnormality or power failure.

* Explanation of symbols for main parts of the drawings

10: signal detection unit 20: data storage unit

30: transmission device 40: central information processing unit

42: central monitor

The present invention relates to a steel making facility inspection display device, in particular, by using a processor computer to collect and store the operation control signal and status signal of the steel making facility to display on the screen to monitor and check through the monitor at the working position of the electrical room It collects, manages and transmits data in the unit of up to 0.1ms for a large amount of high density signals.In case of a failure, the screen which combines programmable logic controller data (hereinafter referred to as PLC) data and the equipment diagram prepared in advance is automatically displayed. The present invention relates to a steel facility inspection and display device that enables the operator to immediately look at the fault location, location and contents of the data, trace the cause of the fault, analyze, diagnose, and take action.

In order to operate the equipment without failure, the condition of the equipment is continuously checked and the alarm is predicted according to the severity of the status abnormality, and the detailed analysis through the cause tracking and situation reproduction in case of abnormality and the precise diagnosis by the characteristics of the equipment are carried out for the equipment operation rate and the product. The quality needs to be optimized.

However, in the past, the equipment inspection in the factory, the measures for the occurrence of the failure, and the cause analysis were estimated by installing a general measuring instrument at the expected place of failure or by the experience of the field workers, and thus have the side effects of wasting time and inaccurate judgment. There was. In particular, data on motor control signals can be found by precisely storing and analyzing large amounts of high-density data as historical data for a certain period of time at the time of an accident.However, the existing equipment such as an oscilloscope or paper recorder It is possible only when data collection equipment is installed in the equipment. In addition, after the failure occurs, it can be installed in the relevant facility to check the details of the failure, and when a failure occurs in the location where the instrument is installed, a skilled worker moves to the site and retrieves the data through a complex series of operations. The cause of failure could be analyzed by paper data.

The present invention is to solve the above-mentioned conventional problems, the object of the present invention is to provide the operating data of the operation of the steelmaking facility on the screen of the monitor, and when a failure occurs, a large amount of high-density data related to the failure of the moment of occurrence of an error precisely It is to provide a steel facility inspection display device that can be stored and printed to facilitate facility inspection and analysis.

Another object of the present invention is to broadcast the fault information to the voice service at the same time when the failure occurs, or to directly output to the monitor of the field work site, or to display the fault code on the wireless pager to the person in the near, long distance directly to the site It is to provide a steel equipment inspection display device that does not need to be present.

In order to achieve the above object, the present invention in the steelmaking facility inspection display device, the signal detection unit 10 for detecting and collecting the signals and data of the steelmaking facility, and the field inspection from the signal detection unit 10 When signals and data are received and output by real-time processing, and a failure signal is generated among the signals detected by the signal detection unit 10, data for a predetermined time period before and after the occurrence of a failure in the field signal or data related to the failure signal is generated. A data storage unit 20 for storing and outputting, a transmission unit 30 for receiving short-range communication by receiving data from the data storage unit 20, and a facility diagram of a steelmaking facility are registered and registered. Display data to check the equipment status by combining the field equipment from the data storage unit 20 input in real time through the 30 and the equipment diagram of the steelmaking facility. When the system monitor and inspection command or failure occurrence signal is inputted, the data stored in the data storage unit 20 is read through the transmission device 30, and the data is combined with the equipment facility diagram to analyze and track the failure. A central information processing unit 40 for outputting display data for displaying a screen capable of displaying a screen, and a central monitor unit for receiving output data from the central information processing unit 40 and displaying a display screen in which equipment and field data are combined; 42), when a warning signal is generated, receives the failure-related data output from the data storage unit 20 through the transmission device 30, outputs an alarm signal, and outputs a failure-related data as a voice signal when a request for output is made. An alarm device 45 for storing data is provided.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a block diagram showing the configuration of a steelmaking facility inspection and display device according to the present invention.

In the figure, the signal detection unit 10 is a block for collecting various signals for grasping a facility state, and a sensor unit 11 for detecting field signals and a control signal of a thyristor for controlling a large motor of a steelmaking facility. The equipment operation state can be grasped from the thyristor control data acquisition part 12 which detects and outputs, the power detection part 13 which detects and outputs the state of a supply electric power facility, and the PLC (not shown) which controls the operation of a steelmaking facility. It consists of a PLC data acquisition part 14 which acquires the existing data, and the operation material data acquisition part 15 which acquires the data concerning an operation material.

The data collected by the signal detection unit 10 are processed in the data storage unit 20, of which the field signals detected by the sensor unit 11 are detected by a corresponding sensor for driving and controlling the facility. For example, the general temperature, humidity, current, pressure and signals for opening and closing are sensed by the corresponding sensor and the central information processing unit in the analog signal storage unit 21 and the digital signal storage unit 22 as analog and digital signals. Direct processing is sent to (40), or time-dependent data is stored according to the definition of the signal.

When the analog and digital signals inputted from the analog signal storage unit 21 and the digital signal storage unit 22 are different from the set reference values, the signals are transmitted to the central information processing unit 40 through the transmission device 30. It is stored in the alarm device 45 and output to the alarm sound output device 46 is output to the alarm signal processing. In addition, the critical fault signal that is different from the reference value among the digital signals of the digital signal storage unit 22 is processed by the analog signal storage unit 21 for a predetermined past time in the process among the analog signals related to the digital signal, thereby analyzing the cause of failure data. Is stored as.

The thyristor control state data detected and output by the thyristor control data acquisition unit 12 is sampled at a maximum of 0.1 millisecond intervals under the control of the high speed sampling unit 23 of the data storage unit 20, and then stored in the power data storage unit. Stored at 27. In addition, the detection signal from the power detection unit 13 for detecting a power system state supplied to the steelmaking facility is also sampled under the control of the high speed sampling unit 23 and stored in the power data storage unit 27.

The data related to the operation control of the steelmaking facility by the PLC sensed by the PLC data acquisition unit 14 is directly processed and transmitted from the PLC data storage unit 28, or the historical data is stored according to the definition of the analog signal. That is, data different from the reference value set among the analog signal and the digital data detected by the PLC data acquisition unit 14 are immediately processed by the PLC data storage unit 28 and stored in the alarm unit 45 through the transmission device 30. Then, it is processed through the alarm sound output device 46.

The data detected by the sensor unit 11, the thyristor control data acquisition unit 12, the power sensing unit 13, and the PLC data acquisition unit 4, which require data analysis, are generated by the high and long digital signals generated together. The analog signal that causes the failure is stored in the analog signal storage unit 21, the digital signal storage unit 22, the power data storage unit 27, and the PLC data storage unit 28 as data for a predetermined time interval.

Then, the data related to the steel rolling industry material that does not require analysis is detected by the field production material data acquisition unit 15 when it is generated and output to the production material data storage unit 29, and stored in the operation material data storage unit 29. do.

As such, the site signals of the steelmaking facility are detected by the signal detecting unit 10, and are immediately output or stored in the data storage unit 20 to the central information processing unit 40 as described above, and then stored in the facility inspection monitoring request. Is read into the central processing computer 41 through the transmission device 30, and is then displayed on the monitor 42 after predetermined processing in the central processing computer 41.

That is, the central information processing unit 40 combines the data inputted in real time or read through the transmission device 30 with the equipment facility of the facility to form a monitoring screen, an inspection screen, a tracking screen, an analysis screen, and a management screen. Display on the monitor 42. These screens may be simultaneously displayed on multiple monitors, or may be partially displayed, or may be displayed one screen on one monitor as in a general display method.

In addition, the digital alarm signal (for example, a temperature abnormality alarm signal, a thyristor operation abnormality alarm signal, a power abnormality alarm signal, etc.) detected by the signal detecting unit 10 may be a digital signal storage unit 22 or a power data storage unit ( 27) is processed in the storage unit of the PLC data storage unit 28 and transmitted to the central processing computer 41 and the alarm device 45 through the transmission device 30, the central processing computer 41 is the digital alarm Data related to the signal is read from the data storage unit 20 and outputs another screen message to the monitor 42. In addition, the digital alarm signal transmitted to the alarm device 45 may be converted into a voice signal through the alarm sound output device 46 and transmitted to the speaker and the phone, or may be transmitted to the pager as a facility code name where the alarm signal is generated. have. In addition, the alarm processing device 45 of the information processing unit 40 accumulates and stores the alarm contents transmitted from the data storage unit 20, which may be inquired by telephone.

The screen displayed on the central monitor 42 by the processing of the central processing computer 41 is configured by combining field data in a steelmaking facility diagram configured for each function, and there are several components of the screen for each type of screen.

Hereinafter, the screen configuration by the central processing computer 41 will be described. First, the monitoring screen shown in FIG. 2 will be described.

The monitoring screen is a comprehensive configuration screen for monitoring whether all the conditions of the plant are operating normally. The data is stored in the facility diagrams 1a, 1b, and 1c of the hot rolling line in which the central processing computer 41 is recorded. The rolling situation based on the data input through the unit 20 and the transmission device 30 is tracked in a predetermined color (for example, red) according to the flow of the material, and the part that is normally operating among the power system, thyristor control system, and motor parts. Is displayed in a predetermined color (for example, green), and in the case of an abnormality, it is configured to display the corresponding part in another predetermined color (for example, red) so that it is easy to identify which of the facilities is broken.

In addition, the Culvert diagram (1d) indicating the passage of the power cable is displayed in a predetermined color according to the temperature of the electrical room and the internal underground structure according to whether the equipment located in the basement is operating normally, and the breaker of the entire emergency system is displayed. And monitor the normal operation of the motor.

3 shows an embodiment of the inspection screen of the facility comprehensive screen.

The central processing computer 41 displays the equipment check screen in the lubrication system 2b centered on the motor 2a, the cooling system 2c, the motor auxiliary power supply system 2d and the motor main power supply system 2e. The display and data are displayed, and the motor's surrounding temperature (2f) and the current rolling speed (2g) are displayed together, and composed of related peripheral equipment centered on the motor being rolled so that the current data can be checked.

The thyristor waveform check comprehensive screen is as shown in FIG. The thyristor for controlling the DC motor for supplying power to the rolling mill for rolling is detected by the thyristor control data acquisition unit 12 of the signal detection unit 10 and under the control of the high speed sampling unit 23. Sampling is performed at millisecond, 1 millisecond, and 20 millisecond intervals, respectively, and stored in the power data storage unit 20. When a command for monitoring and checking equipment is input to the central processing computer 41, the central processing computer 41 The data stored in the data storage unit 20 is read through the transmission device 30 and the waveform is displayed on the screen of the central monitor 42. The thyristor control status is displayed on the 0.1 th millisecond sampling screen 3a for checking the pulse shape, the one millisecond sampling screen 3b for checking the flow of data, and the 20 millisecond sampling screen 3c on the thyristor control waveform. . The signal displayed on the screen has the same name color and waveform color for easy identification. In addition, the on-screen switch 3e can be selected and viewed. For example, a window function can be selected by the menu display unit 3f so that a signal for controlling a DC motor can be checked on one screen at the same time for 13 signals on different screens for sampling of 0.1, 1, or 20 milliseconds. Have

Then, the power waveform check comprehensive screen is configured as shown in FIG.

The signal of the power supplied to the factory is detected by the power detector 13 and sampled at intervals of 0.1 milliseconds, 1 milliseconds, and 20 milliseconds by the control of the high speed sampling unit 23, and the power data storage unit 27 The data processed in real time in the power data storage unit 27 of the data storage unit 20 when the command for monitoring and inspection of the facility is inputted from the central processing computer 41 is transferred to the transmission device 30. It is read through and displayed on the screen of the central monitor 42. The power waveform synthesis screen is a 0.1 millisecond waveform screen (4a) and a 1 millisecond continuous flow check screen (4b) to check the waveform (4c) and the level (4d) of the value at the same time. It is a screen for checking power data that can be selected and viewed by the screen switch 4e.

In the motor data comprehensive screen for driving the rolling mill, PLC control data is acquired by the PLC data acquisition unit 14 of the signal detection unit 10 when a command for equipment monitoring and inspection is input to the central processing computer 41. Data stored in the PLC data storage unit 28 is read through the transmission device 30 and displayed on the screen of the central monitor 42.

The current PLC real-time acquisition control data is sampled in the PLC control data acquisition unit 14 at 100 milliseconds, and the continuous flow of data is displayed on the motor data synthesis screen, and the rolling material indicating the change of data according to the current rolling situation of the motor is displayed. The rolling reduction and the motor data are displayed at the same time, and are divided into the normal state and the non-normal state and displayed on the screen for checking the motor. This screen is similar to that of a general measuring device on which a measured signal is displayed, and thus the illustration is omitted.

The high and low screen is a screen for grasping the situation of the high and high moment, and is processed by the analog signal storage unit 21, the power data storage unit 27, and the PLC data storage unit 28 by the critical failure signal selected by the signal unit. FIG. 6 is a screen in which previously stored and stored operating data is automatically and manually presented by the central processing computer 41. As shown in FIG. The screen automatically presented in the event of a heavy failure is a thyristor data screen (6a) displaying thyristor data at the time of failure, a peripheral data screen (6b) displaying peripheral data, and a past data screen (6c) displaying the past state of the motor. And a power data screen 6d for displaying electric power data for 5 minutes before and after a failure, and a rolled material screen for displaying rolled material data 6e, wherein the five screens are reduced and partially overlapped to form a single integrated screen. This screen is for tracking. The screen 6b which displays cause-providing data related to the fault signal together with this screen is displayed so that the data at the time of the fault is displayed in a stopped state so that the point of trouble can be easily traced. The thyristor data screen 6a is a screen for sampling the thyristor signal for controlling the motor, which is one of the causes of the failure, at 0.1 millisecond intervals, and storing the sampling data for 5 minutes before and after the failure when the equipment has a failure. It is a screen to check the abnormality of thyristor waveform at the time of failure. The screen 6c for checking the motor periphery data at the time of failure is displayed in red in case of abnormality, and the numerical data is displayed after the value at that time is stored. In addition, the data of the reduction, voltage, current, and speed of the motor data are displayed in a graph showing past data for 120 seconds.

The light fault screen has the same configuration as that of FIG. 6, and the light fault screen tracks past data related to the fault in order to prevent progression to a large fault as a screen for identifying the situation at the time of the light fault. This warning screen is a screen automatically displayed by a light fault signal, such as a heavy fault screen shown in FIG. 6, in which five screens are reduced and partially overlapped to display one screen. The configuration screens are the cause-providing data related to the fault signal, and the data at the time of the fault are presented in a stopped state, and are configured to facilitate tracking of the point of failure. Among the data of the motor that causes the abnormality of the equipment, the screen shows the reduction data, voltage, current, and speed as 120 seconds of historical data, and tracks the temperature of the motor, the bearing temperature, and the cooling system in a 6-hour trend graph. do. The screen for checking the rolled material and checking the data around the motor until the failure occurs by the rolled material screen is displayed in red when abnormality is detected and the value at the time is stopped.

In addition, the alarm contents that occurred recently can be tracked up to 5 days ago through the comprehensive screen. When a fault occurs, a comprehensive screen is displayed automatically so that the exact contents of the alarm can be tracked based on a large number of data.

When the cobble that is unexpectedly generated during rolling operation cannot be operated normally, the driver controls the rolling stop by operating the switch by the situation judgment during the operation to prevent the development of a large accident of the facility. The coble stop status screen is similar in configuration to the light fault and heavy fault screens, and since only the content displayed on each screen is different, the different content is described below and the drawings are omitted. The situation measurement screen at the moment of the Cobble Stop composed of electrical data related to the operation is automatically displayed with the flow data of the past, 4 minutes before the occurrence time and 1 minute after the occurrence by the Cobble Stop signal.

The important thing at the time of the Cobble is that it is necessary to find out what location the material of the rolling is made at what position, so the screen to identify the location of the rolling material and the location of the alarm and the status of the supplied electric power by the facility comprehensive screen. Comprehensive screen of speed and current of main motor equipment, reference value and rolling reduction screen of main motor equipment, and voltage screen of all equipments to immediately track the cause of coble generation by data graph on the screen. To help.

The thyristor data analysis screen is shown in FIG.

It is a screen to find and correct the abnormality of the correct control part by analyzing the data before and after the failure by the trouble occurrence signal during thyristor operation. When the button 7f on the screen is pressed, the cursor 7a appears at the time when the failure is recognized. The corresponding data is the display portion 7g in the screen data 7h column. To move the cursor automatically, press the automatic left / right button (7b) to check the data before and after an error occurs. In addition, when a large amount of data is to be inquired before, after, left and right, the direction button 7d is moved. The number of vertical intervals of the screen data 7g is the data of the intervals sampled at 0.1 milliseconds, and 13 signals are distinguished by color and can be identified in the same way. When the thyristor button 7j is pressed, the thyristor card data display screen is displayed. The thyristor control waveform is displayed on the upper half of the screen, and the screen is displayed on the lower half screen according to the movement of the cursor similar to that shown in FIG. The corresponding value is displayed on the numerical display part of the thyristor panel control screen where the thyristor control circuit diagram is displayed.

In case of power system failure or power failure, the emergency generator must be activated and the cooling water system supplied to the furnace must be quickly restored. The emergency system situation action screen is shown in FIG. 8 in the case of power system abnormality or power failure. When the emergency generator 8e is operated while being automatically presented by the blocking signals 8c and 8d of the breaker, the breaker is automatically input in sequence. When the input is automatically made and the breaker does not open due to an error in the breaker, the input instruction is displayed on the input instruction display section 8 by designation of the breaker symbol.

The equipment symbol is displayed on the equipment history management screen. When the equipment symbol is designated, a screen for writing the history management contents is presented. can do.

As described above, the present invention monitors and checks the control state of the thyristor and the like used for control in the factory by using a personal computer through the monitor screen of the personal computer, and analyzes the data before and after the failure on the screen. The system can be configured based on the facility screen graphic and the layout of the fault-related data for easy display, and can automatically display and track the alarm of the electric equipment while automatically displaying it as soon as it occurs. The detailed information along with the structure and structure can be displayed to make it easier to identify the location and content of the fault so that it can be analyzed and immediately taken action. By monitoring and checking the operation status, the operation process can be quickly and accurately responded to the accident. can do.

Claims (7)

In the steelmaking facility check and display device, the signal detection unit 10 for detecting and collecting the signals and data of the steelmaking facility, and receives the field inspection signals and data from the signal detection unit 10 and outputs them in real time processing. When a failure signal is generated among the signals detected by the signal detection unit 10, a data storage unit 20 for storing and outputting data for a predetermined time period before and after the occurrence of a failure in the field signal or data associated with the failure signal; The transmission unit 30 receives the data from the data storage unit 20 and performs short-range communication, and the equipment facilities of the steelmaking facility are registered and registered, and the data is stored in real time through the transmission unit 30. Combining the on-site data from the unit 20 with the equipment diagram of the steelmaking facility, the display data for checking the equipment status is output, and the facility monitoring and inspection command or failure When the raw signal is received, the data stored in the data storage unit 20 is read through the transmission device 30, and the display data is displayed to display a screen for analyzing and tracking the failure by combining the data in the equipment diagram. A central monitor 42 for receiving the output data from the central information processor 40, a display screen in which the device equipment map and the field data are combined, and a data storage unit when a warning signal is generated; The alarm device 45 which receives the fault-related data output through the transmission device 30 from the 20 and outputs an alarm signal and stores the fault-related data as data that can be output as a voice signal when there is an output request. Steelmaking facility check display device, characterized in that provided. According to claim 1, wherein the signal detecting unit 10 is installed at each location of the steelmaking facility to detect the output signal and the sensor unit 11, and detects the control signal of the thyristors for controlling the large motor of the steelmaking facility and outputs Control data and signals are acquired from the thyristor control data acquisition unit 12, the power detection unit 13 for detecting and outputting the state of the power equipment, and the PLC controlling the operation of the steelmaking facility in real time or according to the type thereof for a predetermined time. A steelwork equipment check and display device, comprising: a PLC data acquisition unit (14) to be acquired for each section; and an operation material data acquisition unit (15) for acquiring data related to the operation material. The method of claim 1, wherein the data storage unit 20 is an analog signal storage unit for outputting and storing signals such as general temperature, humidity, current, pressure and the signal for opening and closing detected in the sensor 11 in real time ( 21 and the digital signal storage section 22, the high-speed sampling section 23 for sampling the thyristor control state data sensed by the thyristor control data acquisition section 12 and the power data of the power detection section 13 at predetermined time intervals. And a power data storage unit 27 for storing the sampled data output from the high speed sampling unit 23, and data and signals relating to the operation control of the steelmaking facility output from the PLC data acquisition unit 14; PLC data storage unit 28, and the work material data storage unit 29 for storing the work material-related data detected and output by the work material data acquisition unit 15, characterized in that Steel plants are checking the display. The facility information of a line according to claim 1, wherein the central information processing unit (40) reads some data related to the request stored in the data storage unit (20) in combination with the equipment facility diagram according to the facility inspection and monitoring request. A monitoring screen that displays the rolling status of the machine, a check screen for checking the status of the surrounding peripheral equipment centering on the motor, and a tracking screen that displays the data related to the fault generator to analyze and identify the cause of the fault, An iron and steel facility check and display device comprising: an analysis screen for displaying a thyristor control circuit diagram and a thyristor control waveform; and a management screen for recording the equipment symbol and the history of the equipment symbol. 5. The central information processing unit (40) according to claim 1 or 4, wherein the central information processing unit (40) tracks the monitoring screen in a predetermined color according to the flow of the material on the equipment drawing, and the power system, the thyristor control system, and the motor of the facility are tracked. The facility diagram of the hot-rolled line, which distinguishes the parts in normal operation from those in normal operation and the parts that are abnormally operated in different colors, displays the passages of the power cables, displays the temperature of the electrical room and the internal underground structure. The steelmaking facility check and display device comprising a culvert road that displays the normal operation status and the breaker of the entire emergency system and the normal operation of the motor. 5. The central information processing unit (40) according to claim 1 or 4, wherein the central information processing unit (40) includes a lubrication system (2b), a cooling system (2c), and a motor auxiliary power supply system (2d) with the facility inspection screen centered on the motor (2a). And the status data on the motor main power supply system (2e), and the motor ambient temperature (2f) and the current rolling speed (2g) are displayed together, and composed of related peripheral equipment and the integrated system around the rolling motor. A steel facilities inspection and display device, characterized in that the data is configured to display in real time. The thyristor data screen (6a) according to claim 1 or 4, wherein the central information processing unit (40) automatically presents the tracking screen at the time of heavy use, and displays the thyristor data screen (6a) for displaying the thyristor data at the time of failure and the surrounding data. Displays the surrounding data screen 6b, the past data screen 6c for displaying the past state of the motor, the power data screen 6d for displaying power data for 5 minutes before and after failure, and the information on the rolled material. The fault screen composed of the rolled material screen 6e, which is automatically presented when a warning sign signal is generated, displays a warning sign indicating past data related to the failure, and the electrical data related to the operation by a goblet stop signal. Steel facility inspection table, comprising a Cobble Stop status screen that automatically displays historical data and data up to a certain time after occurrence Device.