KR20010076716A - Information display system for computer-based display and control in the Main Control Room of Nuclear Power Plant - Google Patents

Abstract

PURPOSE: An information display system for computer based monitor and control of a main control room of an atomic power station is provided to effectively monitor by easily searching a display screen and permit an operator to instantly grasp a condition of a power station corresponding to a selected display screen by displaying information according to functions. CONSTITUTION: A computer input unit(50) selects a wanted information of a power station by operating a keyboard, a mouse, a touch screen or a track ball. A computer information display system(100) is connected to the computer input unit(50). A system display screen(110), a system auxiliary display screen(115), a function display screen(120), a duty display screen(130), an alarm display screen(140), a procedure display screen(150), a control display screen(160) and a large information display screen(170) are arranged to be easily converted and selected by an operator by using the input unit(50). Each display screen can be selectively arranged to monitor and control according to a condition of the power station by individually bring the each display screen. Otherwise, many screens can be selected simultaneously and perform monitoring and controlling. A plurality of display screens are separately arranged so that necessary information can be obtained by virtue of redundant function even if one of the information display systems is out of order.

Description

Information display system for computer-based display and control in the Main Control Room of Nuclear Power Plant}

The present invention relates to an information display system for a computer-based monitoring and control system of the nuclear power plant main control room, specifically, the operator through a computer-based monitoring and control system when operating the power plant in the nuclear power plant main control room A computer information display system effectively showing the desired information.

In the conventional nuclear power plant main control room, there is an operation control panel assigned to each system of the power plant, and each operation control panel has a plurality of tile-shaped alarm windows, various indicators, recorders, control switches, and push buttons. .

However, such a conventional power plant main control room is connected to a control panel classified according to the power plant system, and a large number of alarms, indicators, status lights, and the like, which are connected to the field equipment by a hard-wire connection. As a result, the power plant process variables and status information of the equipment required for the controller and the control were often installed separately without being closely related to each other due to the limitation of the control panel installation space.

In addition, the size of the control panel can not be reduced to a certain level or less due to the physical size of the independent display and control devices to be installed in the control panel, the total size of the main control room has to increase. In addition, due to the actual wiring with the field equipment, a large amount of wiring had to be installed and maintenance was required.

As an alternative to solve the above problems, computer-based monitoring and control facilities using communication are gradually introduced. In this case, the size of the control panel can be greatly reduced, and the economical efficiency due to actual wiring by transmitting information through a small number of communication lines. It can reduce the burden and maintenance effort.

However, if the system and method of accessing the display function of the computer-based monitoring and control system to be relied on are not provided effectively, the operators have to navigate the computer display screen several times to find the information necessary for operating the power plant. Difficult to quickly grasp the state of the power plant, there is a problem that the unnecessary work burden of screen navigation that is not direct to operation.

The present invention for solving the above problems provides the operator with information for monitoring, controlling and diagnosing the condition of the power plant through a computer display screen so that the operator can easily navigate the display screen to effectively monitor and control the nuclear power plant. The purpose is to monitor and control. That is, the information required by the operator of the power plant is displayed on the computer screen by function, so that when the operator selects the display screen divided by function, the operator can quickly grasp the state of the power plant corresponding to the selected display screen. .

Specifically, the computer-based information display system of the present invention, because it is easy to represent the arrangement of the power plant equipment in a mimic (Mimic), it is easy for the operator to see it and understand the state of the power plant. In addition to a graphical representation of the plant's equipment layout, it also provides trends of critical system variables, a list of alarms sorted by priority, and a variety of supplementary information to assist in operation. In addition, by using a plurality of such information display devices can be called up multiple display screens at the same time, and even if one display device failure to view the necessary information to another display device to increase the availability.

The computer information display system of the present invention for achieving the above object, the computer input device for selecting the information of the power plant desired by the operator in order to monitor and control the power plant using the monitoring and control system in the main control room of the nuclear power plant Is connected to. In this configuration, the system displays a schematic diagram of the plant's critical grid, dynamically displays the status of critical equipment in the grid, the current values of critical variables, and displays the plant's desired plant function when multiple grids are used. A function display screen that collects and displays the operator's information in a simplified manner; For example, a procedure display screen computerizing the documented procedure used to operate the plant to show that it is suitable for carrying out the procedure, and a control display providing the means necessary for the operation of the equipment or the controller to change the state of the plant in the desired direction. Screen, and all the operators It consists of a large information screen that displays all of the data so that they can share the data. At this time, each display screen is provided to the operator is arranged connected to a computer so that the operator can easily switch between each other by operating the input device. Accordingly, the operator can easily search for the information necessary for the monitoring and control of the power plant while viewing the display screen.

In addition, as another example of the present invention, the display screens may be configured to be arranged in each computer in correspondence with the number of screens.

1 is an overall configuration diagram of an information display system according to the present invention.

<Explanation of symbols for main parts of drawing>

50: input device 100: computer information display system

110: grid display screen 115: grid auxiliary display screen

120: function display screen 130: job display screen

140: Alarm display screen 150: Procedure display screen

160: control display screen 170: large information display screen

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

1 is a block diagram of a computer information display system for monitoring and controlling a power plant using a monitoring and control system in the main control room of a nuclear power plant according to the present invention.

The computer information display system 100 is connected to a computer input device 50 for selecting an information of a desired power plant by an operator operating a keyboard, a mouse, a touch screen or a trackball, and a system having a function necessary for operating a power plant. Display screen 110, system assistant display screen 115, function display screen 120, job display screen 130, alarm display screen 140, procedure document display screen 150, control display screen 160 and large The information display screen 170 is arranged to be easily selectable by the operator using the input device 50.

In such a computer information display system 100, an operator can select and monitor and control several screens simultaneously on a single computer information display system, or the operator can individually monitor each display screen one by one to selectively monitor according to the power plant situation. And each display screen can be arrange | positioned so that it may control. In addition, the above-described display screens can be divided into a plurality of computer information display systems so that any necessary information display system can be viewed at any time by a redundant function even if one information display system fails.

Thus, the functions of the display screens and the operation of the present invention will be described.

First, the system display screen 110 has a function of graphically displaying the power plant critical system and dynamically displaying the state of important equipment in the system, current values of important variables, and the like. Since large plants generally have a complicated process, it is difficult to analyze all conditions because the plant situation is too complex to create and provide an indication that applies only to a specific situation. It is not preferable because the number can increase greatly. The plant grid contains all of the plant's functions, and any situation appears to be a change in the plant's grid, so that plant status information should not be missed as the primary drafting of the plant grid is made. The power plant system display screen 110 is mainly represented by a mimic form of a power plant system, and displays performance indicators, alarm information, and controllable devices to determine whether the function of the system is properly performed. And the controller together. The display in all the grid display screen 110 is connected to send and receive data with the grid subsidiary display screen 115 and the control display screen 160 containing the detailed information.

In addition, the system auxiliary display screen 115 is connected to the system display screen and has a function for auxiliary monitoring and control of detailed system information that cannot be displayed on the system display screen 110. In general, due to the size limitations of the computer display, it is not possible to display all the information necessary for monitoring, controlling and diagnosing a single system at once, so that detailed information that is not related to the primary monitoring and control of system functions is displayed separately. By creating a connection to the grid display and the operator can easily switch from the grid display screen 110 to the grid auxiliary display screen 115 according to the needs of the operator. The grid auxiliary display screen 115 displays trend curves of variables that are important for the performance evaluation of the grid, or an indicator type graph display that makes it easy to compare the status of important equipment or variables of the grid, a power plant process, and the like. Includes a variety of schematic displays designed to facilitate device status tracking. System auxiliary display screen 115 is composed of a number of system auxiliary display according to the complexity of the power plant system. In addition, the system auxiliary display may be configured in the form of a picture, photograph or drawing that does not include dynamic information.

In addition, the function display screen 120 has a function of effectively displaying a power plant function using a plurality of systems instead of a single system, unlike the system display. If such a system function is represented by a method of displaying a system, it is inconvenient to switch between several system display screens 110 to grasp the system function. For example, the critical safety function of a nuclear power plant can be maintained by the flow path of several success path concepts, and when it is displayed as a grid display, many display screens are required, so the essential safety function is It is difficult to know effectively if it is maintained. In this case, it is effective to construct a screen centered on the success path that only collects and shows the success paths that support essential safety functions and simplifies or omits other system parts. The function display screen 120 is connected to the control display screen 160 to exchange data.

In addition, the job display screen 130, has a function to collect and provide the information necessary to perform the job of the operator when the power plant is a special driving situation. Typical plant operation situations in which these job display screens can be used include heating / cooling of the plant, starting / stopping, reloading nuclear fuel in the case of nuclear power plants, and filling the reactor coolant. Job markings are created using a variety of presentation methods to effectively display the information needed to perform a driving job in these special driving situations. The job display screen 130 is connected to the control display screen 160 to exchange data.

In addition, the alarm display screen 140 has a function of showing an alarm generated in accordance with the change of the situation of the power plant in a structured form. Alarms can be displayed in the form of tiles grouped by time of occurrence, by importance, or by location displayed, and all important information includes all the information generated within one computer display assigned for alarm display, even if all of the important information occurs. Be sure to In order to expedite the response when an alarm occurs, each alarm information display in the alarm display screen 140 is connected to the procedure display screen 150 corresponding to the computerized alarm, which describes the cause and action of the alarm. The procedure display screen 150 can be easily recalled. At this time, the alarm response procedure loaded from the procedure display screen 150 does not appear directly on the display screen 140 for displaying an alarm, but appears on the other adjacent display screen for monitoring.

In addition, the procedure display screen 150 has a function of computerizing a documented procedure document used for operating a conventional power plant to show that the procedure is suitable for performing the procedure. The procedure document display shown in the procedure document display screen 150 is displayed on the control display screen 160 by calling up the control display when the necessary operating procedures and the plant status information necessary for the execution of the procedure are displayed together and controlling the equipment or the process of the plant. Functionally connected. In some cases, a lot of information may be required to carry out the operating procedure. To this end, it may have an auxiliary display of the same type as the system auxiliary display screen 115. In addition, the procedure display screen 150 is connected to exchange data with the control display screen 160.

In addition, the control display screen 160 provides a means for operating the device or the controller to change the state of the power plant in the direction desired by the operator. The control display screen 160 includes a controller or device symbol designed for connecting the control display in the system display, function display, job display, and procedure document display that may appear on the display device of the driving monitoring computer connected to the computer device for the control display. When a symbol is selected as a computer input device 50 such as a keyboard, a mouse, a touch screen, or a track ball, information about the selected device is transferred to a separate control display computer, and the display of the computer is displayed. The controller and the information required for the control will automatically appear on the screen. At this time, the control display screen 160 is displayed with a picture of the power plant system to which the controller belongs and a series of controllers and devices that can be controlled in the system. The figure also clearly indicates which device the controller is currently selected for.

In addition, the large information display screen 170 is connected to the system display screen 110, function display screen 120, job display screen 130, alarm display screen 140 and the procedure document display screen 150, It is installed in front of the main control room in the nuclear power plant main control room and has the function of displaying the operator's all the information of the power plant in a consistent and quick response to the power plant condition. Such a large information display screen 170 is displayed in a mimic form by simplifying the direct paths to perform the electricity generation function and the success paths required to maintain the essential safety function of the power plant, and various status information of important equipment and important variables. Displays an overview of the plant's overall operating status, including alarms. These large information displays make it easy for all workers in the main control room to share their understanding of the plant's operating conditions and to facilitate cooperative work among operators. The system information or alarm displayed on the large information display screen 170 is used as a starting point of the information cruise which can easily identify and cope with the abnormal state and the abnormal part of the power plant.

Based on the computer information display system described above, the operator selects a corresponding display screen for monitoring and controlling by the input device 50 such as a mouse, a keyboard, or a touch screen. If the grid display screen 110 is selected, the information display system graphically displays the power plant system to the operator, and when the operator selects the grid auxiliary display screen 115 to know detailed information of the grid in the displayed power plant system. In addition, it dynamically displays the status of critical equipment in the system and the current values of critical variables, but displays detailed information.

In this way, after the system display screen 110 is selected, the operator can switch to another display screen. Accordingly, if the operator wants to know any one function, for example, an essential safety function of the nuclear power plant, the operator switches from the system display screen 110 to select the function display screen 120. If you select the essential safety function, the computer information display system collects and shows only the success paths.

Similarly, the remaining alarm display screens, procedure display screens, job display screens, control display screens, and the like are also connected in software so that the display screens can be switched to other display screens according to the operator's selection. In addition, all the operators through the large information display screen 170 to share information about the power plant shown on each display screen described above.

In the present invention as described above, in the monitoring and control of the computer-based nuclear power plant main control room by providing the configuration of the display information in a consistent way, it is easy for the operator to search for the necessary information, and accordingly, when the power plant abnormal conditions occur By coping with all the operators, the operation of the power plant main control room can be made more efficient, and the maintenance and repair cost of the power plant can be reduced.

Claims (7)

To monitor and control the power plant using the monitoring and control system in the main control room of the nuclear power plant, Connected to a computer input for operator selection of desired plant information, A grid display screen 110 for diagrammatically displaying a power plant critical grid and dynamically displaying a state of important equipment in the grid, a current value of a critical variable, and the like; A function display screen 120 for briefly displaying the integrated power plant functions desired by the operator when the operator uses the multiple systems; A job display screen 130 which collects and provides information necessary to perform a job of a driver; An alarm display screen 140 showing an alarm generated in accordance with the change of the power plant in a structured form; A procedure display screen 150 for computerizing a documented procedure document used to operate the power plant to be suitable for performing the procedure; A control display screen 160 which provides a means for operating a device or a controller to change a state of a power plant in a direction desired by an operator; And Large information display screen 170 for displaying all data so that all operators can share the data on each display screen is connected to a single computer so that the operator can easily switch to each other by operating the input device. The computer information display system, characterized in that the operator can easily navigate the information necessary for monitoring and control of the power plant while viewing the display screen. The method of claim 1, The system display screen 110, the computer information display, characterized in that additionally connected to the system auxiliary display screen 120 for auxiliary monitoring and control of detailed system information that can not be displayed on the system display screen system. The method of claim 1, The alarm display screen (140) is a computer information display system, characterized in that for displaying the alarm in the form of a tile (tile) grouped by the occurrence time, importance or location. To monitor and control the power plant using the monitoring and control system in the main control room of the nuclear power plant, Connected to a computer input for operator selection of desired plant information, A grid display screen 110 for diagrammatically displaying a power plant critical grid and dynamically displaying a state of important equipment in the grid, a current value of a critical variable, and the like; A function display screen 120 for briefly displaying the integrated power plant functions desired by the operator when the operator uses the multiple systems; A job display screen 130 which collects and provides information necessary to perform a job of a driver; An alarm display screen 140 showing an alarm generated in accordance with the change of the power plant in a structured form; A procedure display screen 150 for computerizing a documented procedure document used to operate the power plant to be suitable for performing the procedure; A control display screen 160 which provides a means for operating a device or a controller to change a state of a power plant in a direction desired by an operator; And A large information display screen 170 that displays all data so that all operators can share the data of each display screen, the computer corresponding to the number of display screens so that the operator can easily switch to each other by operating the input device. A computer information display system, characterized in that the operator can easily search for information necessary for the monitoring and control of the power plant while the display screen is provided to the operator, the operator. The method of claim 4, wherein The system display screen 110, the computer information display, characterized in that additionally connected to the system auxiliary display screen 120 for auxiliary monitoring and control of detailed system information that can not be displayed on the system display screen system. The method of claim 4, wherein The alarm display screen (140) is a computer information display system, characterized in that for displaying the alarm in the form of a tile (tile) grouped by the occurrence time, importance or location. The method of claim 6, The alarm display screen (140), if all important information occurs, all of the computer information display system, characterized in that displayed in one computer display screen assigned for the alarm display.