JP2008310688A - Screen display method for plant monitoring control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screen display method which continuously displays an entire plant and displays a screen in an arbitrary range and zooms a display image. <P>SOLUTION: This plant monitoring control device is provided with: a screen operation input processing means 11 for accepting an operation input from an input/output device 2 by an operator; a screen display processing means 12 for displaying a screen according to the operation instruction; and a plotting database 15 for displaying the screen. The plotting database 15 is provided with screen data 22 composed of a schematic diagram of the whole plant as one screen data and display level data 23 with a method of changing screen display content due to zoom display is defined about each display item plotted on the screen on a virtual region screen which is larger than a display frame of a display device, and the schematic diagram is displayed according to the screen display region and display level instructed by the operator. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a screen display method for performing an operation for displaying and controlling the operating state of plant equipment in a plant monitoring and control apparatus that monitors and controls a plant.

  Conventionally, operation screens in monitoring and control devices such as power plants are divided into system units, device units, etc., due to physical space limitations of display devices (displays, etc.), and the entire plant is divided into a plurality of individual screens. It was provided. In addition, a summary screen for displaying the entire plant was prepared as a separate screen and displayed by switching the screen. Therefore, in the case of a large-scale plant monitoring and control device such as a power plant, the number of screens increases, and when the plant operator displays the screen and operates the plant, the screen is switched while considering the relationship between the screens. Had gone.

  Basically, the display contents of the screen are fixed, and piping information, equipment information such as valves and pumps, and plant measurement information such as pressure, flow rate, and water level are defined on each screen as in-screen information. Have been placed. While the information on these screens displays the information necessary for plant operation, in order to avoid the screen from becoming complicated, the main parts are displayed by omitting detailed piping and equipment information. ing. For this reason, the screens were constructed by individually examining the details of the system diagrams such as piping to be displayed, the details of the equipment and equipment configuration diagrams, and the display information in the screens.

  These equipment information and measurement information are input to the monitoring and control device as electrical or electronic information from sensors installed at the site, and the status of the plant is updated and displayed on the operation screen in a short cycle. Is monitored in real time. In addition, devices such as valves and pumps can be operated by touching the display on the screen with the touch panel or by selecting with a mouse, etc. By giving a “stop” instruction, field devices can be controlled by screen operations. However, when equipment is controlled from the screen in this way, in order to check the influence of the control, when checking the status of a wide range of equipment and equipment, it is necessary to check by switching the display of the related screen was there.

  As described above, in the case of the conventional screen display method, the amount of information in one screen is limited due to the physical restriction of the screen display range. Therefore, a plurality of screens are configured to cover information necessary for plant operation. There was a need. Therefore, in the case of a large-scale plant such as a power plant, the number of screens tends to increase. If the number of screens increases, there will be a lot of connections between screens on screens that have a wide area such as pipes. It was necessary to grasp information while switching.

The conventional screen display method for switching and displaying the fixed screen has the following characteristics.
(A) Since a certain amount of information is aggregated in the screen, a great amount of design time is required for selecting the amount of information in the screen and examining the arrangement when designing the screen.
(B) Since there are a large number of screens, there are many screen-to-screen connections, and screen switching operations are frequent. In addition, in order to recognize the contact portion with the contact destination screen, it is necessary to devise (color change, blinking, etc.) for improving the visibility.
(C) In response to the operator's request to confirm the operation status and measurement information of the device locally, or to grasp the entire contents of a wide range of main information, multiple fixed screens can be displayed. It is necessary to display and confirm while switching. In addition, it is necessary to take measures such as displaying the same information in duplicate on a plurality of screens.
(4) In order to confirm a wide range of main information, summary screens (summary screens) are often prepared separately as individual screens, and there are many summary screens in large-scale plants. There may be a hierarchical screen system, such as a summary screen.

  As described above, the screen display method for switching and displaying the fixed screen requires a large number of screen design man-hours at the design stage. Further, since the number of screens is large and the screen configuration is complicated, there is a problem that the screen operation becomes complicated in the operation stage.

  In order to solve these problems, a screen enlargement / reduction display function is provided, and the display size of symbols such as plant equipment displayed at the time of screen enlargement / reduction is adjusted to an appropriate size, or an integrated display function is provided. A display method having a function of automatically selecting and displaying device information and measurement information to be displayed on a screen has been proposed. Thereby, the screen operation for confirming the detailed situation of the plant locally or grasping a wide range of situation becomes easy.

In Patent Document 1, when the entire system diagram of the plant is displayed, the monitor screen is made more visible by changing the size of the display element according to the enlargement / reduction ratio or displaying / erasing it based on the hierarchical data. There is disclosure about an example of a screen display method to keep.
Japanese Patent Laid-Open No. 11-73292

  By the way, the conventional screen enlargement / reduction display function basically enlarges / reduces based on a fixed screen that is divided into facilities, devices, and systems within a specific range. Screen operation is necessary. For this reason, it does not sufficiently solve the problems such as the complexity of the screen switching operation and the time required for designing the screen.

  In addition, a method has been proposed in which the facility system diagram of the entire plant is drawn on a virtual screen and the entire system diagram is displayed as a single screen. However, since there is no function for monitoring or controlling the plant, It was necessary to display a block window divided into blocks from the figure, and to perform monitoring and operation. Therefore, the complexity of screen operation cannot be solved sufficiently.

  The present invention has been made in view of such a point, and by continuously displaying the entire plant and realizing functions of screen display and enlargement / reduction display of an arbitrary range, the operation of switching the fixed screen is further reduced. An object of the present invention is to provide a screen display method for improving the operability of an operator during plant operation and improving the plant monitoring function.

  The present invention, in the plant monitoring control device, a screen operation input processing means for accepting an operation instruction input from an input / output device by an operator, a screen display processing means for displaying a screen in response to a request from the screen operation input processing means, A screen data base for displaying the screen, the screen data created in the screen data database is a virtual area screen larger than the display frame of the display device, the equipment system diagram of the entire plant as one screen data, and the screen data For each drawn display item, display level data that defines how to change the screen display contents associated with the enlarged / reduced display is provided, and the screen data is displayed according to the screen display range and display level specified by the operator by the screen display processing means. The facility system diagram is displayed based on the display level data.

  According to the present invention, the facility system diagram of the entire plant is continuously displayed and the screen in an arbitrary range can be enlarged / reduced to improve the operability by reducing the switching operation of the individual screens. In addition, the visibility of the screen can be improved by changing the display presence / absence, display color, size, etc. of the device or piping based on the display level data in accordance with the enlargement / reduction. In addition, on the facility system diagram screen, it is possible to monitor the operation state of the display target device and perform a control operation.

  Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

  In FIG. 1, the structural example of the plant monitoring control apparatus by this example is shown. With reference to FIG. 1, the structural example of the plant monitoring control apparatus by this example is demonstrated.

  The plant monitoring and control device monitors the state of the plant equipment 4 and monitors and controls the equipment, and the input / output device for displaying information on the plant equipment 4 and receiving control instructions from the operator. 2 and a large display device 3 installed in a central operation control room or the like for monitoring the state of the entire plant.

  Next, a configuration example of the monitoring control server 1 will be described. Here, processing means mainly related to screen display processing will be described, and processing such as monitoring control processing of plant equipment, recording processing of monitoring results, and the like are configured in the same manner as in the past, and thus description thereof will be omitted. The monitoring control server 1 according to this example includes a screen operation input processing unit 11 that receives an operation input by an operator via the input / output device 2, and a screen display processing unit that displays a screen on the input / output device 2 and the large display device 3. 12, a control output processing means 13 for outputting control information to the plant equipment 4 in accordance with an operation instruction from the operator, and a transmission processing means 14 for inputting control information output to the plant equipment 4 and information on the plant equipment. And a drawing database 15 for storing data for screen display, screen storage data 16 for storing screen display information, and plant data 17 for storing information collected by the transmission processing means 14.

  Next, an example of screen display processing by the screen display processing means 12 of this example will be described. When the operator operates the input / output device 2 and makes a screen display request, the contents of the screen display request input by the screen operation input processing means 11 are analyzed and a screen display request is made to the screen display processing means 12. The screen display processing means 12 generates screen information from the drawing database 15 based on the requested content and displays the screen on the input / output device 2. When the screen to be displayed is the plant monitoring screen, the plant data 17 is referred to and the display target device information is displayed on the plant monitoring screen. When the screen to be displayed is a screen pattern stored in the screen storage data 16, the screen storage data 16 is referred to and displayed on the screen.

  Next, the configuration of the drawing database 15 according to this example and a screen display method using the same will be described. The drawing database 15 includes basic graphic data 21, screen data 22, and display level data 23.

  The basic graphic data 21 is created by registering symbols and display elements representing plant equipment such as valves and pumps as a graphic in dot units. This is used as a component when creating screen data.

  The screen data 22 includes drawing data, operation display information, and display level setting information. The drawing data is information on a screen in which symbols such as valves and pumps and piping lines are arranged on a basic grid, and defines coordinate information where symbols are arranged, vertical and horizontal size information of symbols, and the like. FIG. 2 shows an example of a screen image of the drawing data 201 in which symbols are arranged on the basic grid. In this example, since the entire plant is drawn as one screen instead of drawing according to the physical restrictions of the display device as in the past, the reference point 202 (x, y) = (0, 0) is displayed at the upper left of the screen. ) With no restrictions in both the X and Y directions, and symbols and lines are arranged in the virtual area for drawing. The operation display information includes information on display methods (color change, flicker, etc.) based on input signals from the plant equipment 4 corresponding to symbols, piping, etc., and control information (open / close commands, start / stop commands) to the plant equipment 4 , The presence / absence of numerical control commands, etc. and their types). The display level setting information defines setting patterns relating to each display attribute based on display level data described later.

  Note that the grid is a grid divided at equal intervals in the vertical and horizontal directions as a base for arranging symbols and piping lines. The minimum unit of the grid is a dot that is the minimum resolution of the screen. For example, a grid of 2, 4, 8, 16, or 32 dots is set according to the layout of the screen or the details of the drawing. In this example, the minimum grid in the drawing is 1 grid = 2 dots, which is called a basic grid, and drawing is performed on the basis of the basic grid in the drawing of the equipment system diagram screen representing the entire plant.

  Next, the display level data 23 will be described. The display level data 23 defines a method for changing the screen display contents accompanying the enlarged / reduced display for the display items in the screen. In this example, when the equipment system diagram screen is enlarged / reduced, symbols and piping lines are not simply enlarged / reduced in proportion to the display magnification, but the display magnification is divided into multiple levels and each level is supported. By defining the display method, it is possible to prevent symbols etc. from being enlarged / reduced more than necessary, omitting them according to the level, making them detailed, and changing the display color. Improve visibility.

In this example, a case where the level is divided into five levels will be described as an example. The standard for each level is as follows. The display level is not limited to this, and may be set according to the characteristics of the plant to be monitored.
Level 5: The most detailed display level. As an example of a nuclear power plant, the level is described in the piping instrumentation diagram which is a design drawing, and basically all devices such as valves and pumps are displayed. Measurement information such as flow rate and pressure basically displays all measurement points.
Level 4: Display level according to the level of detail between level 5 and level 3. Level 5 display omits non-operating devices such as check valves and displays only the devices to be operated. Measurement information basically displays all measurement points.
Level 3: Display level used as a general operation screen. In the plant operation, displays the devices that are narrowed down to the main valves and pumps to be controlled. For the measurement information, items narrowed down to the main monitoring information are displayed.
Level 2: A display level for the purpose of monitoring the entire system over a wide area. Display items such as equipment and measurement information are further narrowed down from level 3, and only main parts are displayed.
Level 1: A display level that displays the main equipment and measurement information of the entire plant. As an example of a nuclear power plant, information levels to be displayed on a large display panel provided in a central control room of a plant, such as a main steam flow rate, a feed water flow rate, a feed water temperature, and a reactor pressure.

  In this example, the color and line type when displaying symbols and piping lines for each display level, and the character size and font related to the character information displayed on the screen are changed. The method is different. For this reason, setting information of a plurality of patterns having different settings for the display level is defined for display attributes such as color and line type, and this is called display level data. For each display item such as a symbol, a pattern to be used is set for each attribute such as a color and a line type, and this is defined as display level setting information of the screen data 22.

  FIG. 3 shows an example of the display level data 23. FIG. 3 is an example of display level data 301 in which a setting pattern for each display level is defined for colors among display attributes. Equipment symbols such as valves and pumps basically do not change color at each display level, but when piping is displayed at a detailed level such as level 5, main piping and instrumentation piping (non-main individual piping) Since the display is complicated and complicated, the color can be changed. For example, when a certain pipe is set with the setting pattern 1, it is displayed in cyan at display levels 1 to 3, and is displayed in blue at display levels 4 to 5. This corresponds to a general operation screen up to display level 3, and only the main piping is displayed, so there is no need to change the color, but at display levels 4 and 5, detailed level piping is also displayed. Therefore, in order to emphasize the main part, it is changed to blue and displayed on the screen. When the setting pattern 5 is set, the display levels 1 to 4 are not displayed and the display level 5 is displayed in cyan. This is a case where the pipe is an instrumentation pipe or the like and is not monitored in normal operation, and only the most detailed display level 5 is displayed.

  As described above, display level setting information is defined for all elements such as symbols to be displayed on the screen by combinations of display levels and setting patterns as shown in FIG. 3 for display attributes such as color and size. As display attributes, line types (line thickness, line type such as solid line / dotted line / dashed line), symbol size, character size, character font, and the like are defined. Also for the measurement information, a display method for each display level is defined in the same manner as “color”. In general, the measurement information expresses numerical values of process values such as flow rate and pressure as digital values, but some main information may be expressed as a bar chart. Therefore, for the measurement information, the display method for each display level (numerical value display / bar chart display) is set, and as auxiliary information, in the case of numerical value display, the character size, character font, color, etc. of the numerical value to be displayed In the case of, types such as vertical / horizontal and size are defined as setting patterns.

  Next, a screen display method by the screen display processing means 12 will be described based on the drawing database 15 described above. In addition, although the display of the equipment system diagram which can be expanded / reduced display is demonstrated here, the other screen display shall be displayed by the conventional display method, and description is abbreviate | omitted. When the equipment system diagram is displayed on the screen according to this example, the operator designates the display level and the screen display range and issues a display request. In this example, the enlarged / reduced display of the facility system diagram does not simply enlarge / reduce the symbols on the screen at the time of display, but selects the level to be displayed from among the five display levels described above. A display called a level-specific screen display is performed. For this reason, the operator designates a display level to be displayed when the screen is displayed.

  In this example, two methods are possible as a method for changing the display level of the screen. The first method is to change the display level for the current screen display range. The operator uses the input device such as a mouse, a keyboard, or an operation button to select and display the display level to be displayed. The display level is changed around the center of the screen. The second method is a method of changing a display level by designating a screen range to be displayed in order to display a specific part in detail. In this case, an arbitrary range is designated as a display range (start point / end point) on the screen being displayed by the operator, and the display level is changed with the center of the designated display range as the center point.

  The display level and screen display range specified by the operator are input via the input / output device 2, the specified content is analyzed by the screen operation input processing means 11, transferred to the screen display processing means 12, and a screen display request is made. First, the screen display processing means 12 determines display / non-display of symbols and the like based on display level setting information set in screen data such as screen symbols and piping lines. In the display level setting, the screen is not displayed at the level set to non-display, and is displayed only on the screen of the level set for display.

  The display of each level is such that the basic monitoring range is assumed in advance, such as level 3 = normal operation screen, level 2 = entire system, level 1 = entire plant, and information on the monitoring range can be appropriately displayed. The symbol size is set in the display level setting information so that the symbol becomes the same size. On the other hand, the number of dots in one grid at the display level is set for each display level as in the example 401 of the grid size by display level shown in FIG. Usually, at each display level, as shown in the drawing example 501 shown in FIG. 5A, the device symbols and piping lines drawn on the basic grid are enlarged / reduced according to the enlargement / reduction of the grid. Display on the screen. For example, as shown in the drawing example 502 shown in FIG. 5B, by expanding the setting of the basic grid = 2 dots to 1 grid = 16 dots, the device symbols and the piping lines on the screen are enlarged in proportion. To do. However, the device symbols and the piping lines are displayed not by simply proportionally expanding the aspect ratio in proportion to the expansion of the basic grid but by reflecting the setting information defined in the display level setting information. When the screen is displayed, the display color, line type, and the like are changed and displayed based on the setting information, and the display size is also displayed in (C) of FIG. 5 when the size is specified in the display level setting information. Even when the number of dots in one grid is increased as shown in the drawing example 503, the symbol size is displayed in a designated size. By displaying in this way, the display range can be expanded.

  As a result, symbols in the screen are unnecessarily large in simple proportional enlargement and are not suitable as a display for enlarging the monitoring range. However, as shown in this example, a basic grid is set for each display level. In addition, the monitoring range can be enlarged / reduced by enlarging / reducing based on the basic grid, and a symbol display having a size corresponding to the level or selective display can be made to make the screen display easier to see. .

  As for the screen display in this example, the function of proportionally expanding / reducing the operation screen and the function of moving the screen in any direction, up, down, left, and right, which are conventionally performed, are realized in the same manner as in the past.

  Further, in this example, a function for saving the display state of the screen displayed as described above and saving it as the screen storage data 16 in response to a request from the operator is provided. By storing and registering information such as the window position, screen display range, and display level of the multi-window in the screen storage data 16, and redisplaying the screen based on the screen information stored in response to the operator's display request, An operator can arbitrarily configure and display a screen configuration according to the plant operation status. Thereby, since an operator can construct | assemble the favorite operation screen separately and can display it by easy operation, the operativity at the time of plant operation can be improved.

  Moreover, in this example, not only the above-mentioned equipment system diagram screen is displayed on the display device of the console that the operator individually displays and operates during plant operation, but also on the large display device 3 provided in the central operation control room or the like. Also configured to display. In power plants, from the viewpoint of sharing information among operators in the central operation control room, in addition to the display device installed on the console, a display panel using a large display is installed on one side of the central operation control room. Is becoming common. Conventionally, a large display panel that can be referred to by all operators is provided, the system diagram of the entire plant is fixedly displayed, and information such as the status of moving parts such as main valves and pumps and measured values is displayed on lamps, display panels, etc. It was displayed using the hardware equipment. Recently, instead of large display panels, display panels using large displays have been installed. However, these large displays have been improved in resolution, and by using multi-displays, conventional displays have been developed. Display that could not be realized with the device is possible.

  In this example, a display panel using a large display can display the same screen as the display device of the console. As a result, during normal operation, the display level 1 screen (equipment system diagram of the entire plant) is displayed on the entire large display, so that all operators can share the overall status of the plant and implement the equipment. When it is necessary to monitor a part of equipment intensively, such as at the time of occurrence or when an abnormality has occurred, the monitoring target range can be enlarged and displayed on a large display in multiple windows (detailed level). It is possible to share the information to be monitored as a whole.

  FIG. 6 shows a display example of the screen and the display panel of the large display device 3. (A) of FIG. 6 is a display example of the equipment system diagram screen displayed on the display device of the console. A screen 601 is a display example of display level 3 on the facility system diagram screen. Here, when the range indicated by the bold line in the figure is designated and the display level is changed to, for example, the display level 4, a window shown on the screen 602 is displayed, and a detailed equipment system diagram is displayed on the display level 4. In this case, on the screen 601 at the display level 3, valves and pumps are displayed one by one, and information on measured values such as flow rate is displayed as numerical information 607. On the screen 602 at the display level 4, valves and pumps are displayed. Are displayed in units of 3 corresponding to actual devices, and measurement information is also displayed as bar chart information 608. Further, in addition to the screen display operation by level, the screen 601 is provided with a screen operation area for device operation, and it is possible to select a device to be operated from the facility system diagram screen and to execute a control command.

  FIG. 6B is a display example of the facility system diagram of the entire plant displayed on the display panel. A screen 603 is an example in which a facility level diagram of display level 1 is displayed on a display panel configured with a multi-display. On the right side of the display panel, an example in which a detailed system diagram at display level 3 is displayed in the windows shown on screens 604, 605, and 606 is shown. As described above, the display panel can display the same screen as the console display device by an instruction from the console display device, but only the display is displayed on the display panel.

  In this example, the same screen as that displayed on the display device of the console is displayed on the display panel, so that the operator can confirm the contents that the operator used to switch between the individual screens using a general-purpose monitor. Everyone can share it, and it can be expected to improve the operation quality in plant operation.

It is a block diagram which shows the structural example by one embodiment of this invention. It is explanatory drawing which shows the example of drawing data by one embodiment of this invention. It is explanatory drawing which shows the example of display level data by one embodiment of this invention. It is explanatory drawing which shows the example of the grid size according to display level by one embodiment of this invention. It is explanatory drawing which shows the example of an enlarged display of the symbol by one embodiment of this invention. It is explanatory drawing which shows the example of a display on the display apparatus by one embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Monitoring control server, 2 ... Input / output device, 3 ... Large display device, 4 ... Plant equipment, 11 ... Screen operation input processing means, 12 ... Screen display processing means, 13 ... Control output processing means, 14 ... Transmission processing means , 15 ... Drawing database, 16 ... Screen storage data, 17 ... Plant data, 21 ... Basic graphic data, 22 ... Screen data, 23 ... Display level data

Claims (3)

In plant monitoring and control equipment,
Screen operation input processing means for receiving operation instructions input from the input / output device by the operator;
Screen display processing means for displaying a screen in response to a request from the screen operation input processing means;
And a drawing database for displaying the screen,
In the drawing database, a virtual area screen larger than the display frame of the display device, screen data created as a single screen data of the facility system diagram of the entire plant,
For each display item drawn in the screen data, display level data defining a method for changing the screen display contents accompanying the enlarged / reduced display is provided,
A screen display method for a plant monitoring and control apparatus, wherein the screen display processing means performs display based on the screen data and the display level data according to a screen display range and a display level instructed by an operator. In the screen display method of the plant monitoring control apparatus according to claim 1,
A large display device is provided in the plant monitoring control device,
A screen display method for a plant monitoring control apparatus, wherein the screen display processing means displays a screen on the large display device. 2. The plant monitoring control apparatus according to claim 1, wherein said screen operation input processing means accepts a control operation instruction input from an operator, and performs a control output process for plant equipment in accordance with a control request output based thereon. Processing means;
Transmitting the control information output from the control output processing means to the plant equipment, and providing transmission processing means for receiving the operation information of the plant equipment,
A screen display method for a plant monitoring and control apparatus, wherein the plant equipment is controlled using an equipment system diagram screen of the whole plant in which the operation state of the plant equipment is displayed by the screen display processing means.

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