JP3020637B2 - Process display device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[Object of the Invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a process display device for displaying an operation state of a plant on a CRT display device.

[0002]

2. Description of the Related Art For example, in a large-scale plant represented by a nuclear power plant, the operation of the plant is generally controlled by centralized monitoring and centralized remote control in a central operation room. 2. Description of the Related Art As one of means for providing information necessary for operating a plant to an operator, a process display device that displays a plant state on a display device represented by a CRT is often used.

FIG. 8 shows an example of the configuration of a conventional process display device. In the process display device 1, each process data from the plant 2 is input at regular intervals by the plant data input processing unit 3, a predetermined calculation process is performed for input points that require processing, and the process data is stored in the plant data storage unit 4. Remember. The system diagram display processing unit 5 creates a state of the plant as a system diagram based on each data in the plant data storage unit 4 and the system diagram display information storage unit 6 in which information for displaying each system diagram is stored in advance. I do.
The system diagram display data created by the system diagram display processing unit 5 is processed for display by the CRT display processing unit 7,
The data is output to the CRT display device 9 via the display control unit 8 and displayed as a system diagram showing the state of the plant.

[0004] On the other hand, a large number of display screens of the above-described system diagram are prepared as a system diagram screen menu indicating the state of the plant. When the screen number of the system diagram screen menu is input from a screen selection device 10, for example, a keyboard, a screen is selected by an interaction processing unit 11 and a screen selection processing unit 12, and a system diagram corresponding to the screen number is displayed on a CRT display device. 9
Will be displayed. In this way, for example, C shown in FIG.
As shown on the RT display device 9, a process amount that changes every moment such as a main steam flow rate, a furnace pressure, a furnace water level, a pump operation, and a valve opening / closing corresponding to the plant equipment on a system diagram showing a plant in a nuclear power plant. To digital numbers, bar graphs,
It can be displayed as a symbol figure or the like.

Further, when a coordinate input device 13 on the display screen of the system diagram displayed as described above is selected by a touch panel as shown by a touch arrow in FIG. The unit 15 reads the coordinate values. The display input point detection processing unit 16 extracts the input point number corresponding to the plant device displayed at the position of the coordinates, and outputs the input point number to the system diagram display processing unit 5. The system diagram display processing unit 5 performs a process for displaying data related to the selected plant equipment on the CRT display device 9 based on the data in the plant data storage unit 4 and the data in the system diagram display information storage unit 6. I do. As a result, related data is displayed on the screen of the CRT display device 9 as shown in FIG. In this example, flow rate data from the past to the present of the plant equipment selected by the touch arrow in FIG. 9 is displayed in a graph.

[0006]

However, the above-mentioned conventional process display device has the following problems.

[0007] That is, conventionally, the plant equipment of the system diagram displayed as described above is selected by the coordinate input device 13 to display related data.
0, the display is limited to only one screen. Further, when another screen display relating to the selected plant equipment is required, the operator needs to input another screen number from the screen selection device 10, for example, a keyboard, and select another screen. For this reason, it is necessary for the operator to store the screen number, which is a great burden for the operator. In this case, when an abnormality occurs in the plant, the operation of the operator may be delayed, and the operation of the plant may be seriously hindered.

In order to solve these problems, in addition to the screen selected by the coordinate input device 13, the plant equipment of the system diagram is further provided with a screen selection point, and the required screen is displayed by sequentially switching the screen. Means to make it possible are conceivable. However, if it takes a long time to reach the screen required by the operator, there is a problem that when the state of the plant changes over time, its usefulness as display data is lacking. As another means, a means of displaying a screen number list menu of related information display to assist a part depending on the operator's memory is conceivable, but this also requires a lot of time until a necessary screen is displayed. It's not the best option because of the cost. In recent years, the scale of the plant has been increasing, and accordingly, the number of CRT display devices to be installed has been increased, the operation method of the CRT display device has been complicated, the man-machine interface has been expanded, and the input device has been diversified. The working environment of operators tends to change significantly. Also, while the screens to be displayed are diversified in accordance with the progress of the hardware of the CRT display device, the number of screens to be displayed is also dramatically increased, and the position occupied by the process display device in plant monitoring and control is increasing. is there. Unless the above-mentioned problem is solved in such a situation, the burden on the operator is further increased, and the risk of causing a great trouble in the operation of the plant is increased. For this purpose, a process display device capable of easily and quickly displaying a required screen by an operator in a short time, and capable of operating a plant safely and efficiently is required.

Accordingly, an object of the present invention is to provide a process display device capable of displaying information necessary for plant operation accurately and efficiently.

[0010]

According to a first aspect of the present invention, there is provided a plant data input processing unit for inputting process data from a plant, a plant data storage unit for storing process data input by the plant data input processing unit, A system diagram display information storage unit in which information for displaying the state of the plant in a system diagram is stored in advance, and a plant state based on the data in the system diagram display information storage unit and the data in the plant data storage unit. System diagram display processing unit for creating a system diagram as a system diagram, a display device having a multi-window display function for displaying the system diagram created by the system diagram display processing unit, and specifying and inputting a coordinate position on the system diagram A plant selected on the basis of input point data from the coordinate input device in the process display device comprising the coordinate input device for The related information display item menu of the related information on the container is displayed in a window on the system diagram, and the content of the item selected from the displayed related information display item menu based on the input point data from the coordinate input device is displayed in a window, Further, a related information display processing unit is provided which performs a process of deleting the related information display item menu when an item selection from the displayed related information display item menu has not been performed for a predetermined time. The invention of claim 2 is
2. The process display device according to claim 1, wherein the related information display processing unit displays a display window of the related information in a superimposed manner near the selected plant equipment.
Further, a move request receiving section and a deletion request receiving section for the related information window displayed in conjunction with the display of the related information window are provided, and the related information window is moved according to a request instruction from the move request receiving section or the delete request receiving section. Alternatively, a window display processing unit for erasing is provided.

[0011]

According to the above configuration, selection and display of the related information display of the plant equipment selected by the operator can be performed efficiently, accurately and smoothly. In addition, the display screen of the system diagram of the display until now is not erased because of the window display,
In addition, related information of necessary plant equipment can be further displayed on the display screen of the system diagram. Therefore, the burden on the operator for obtaining the related information display of the plant equipment is reduced.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a process display apparatus according to an embodiment of the present invention. 8, the same parts and corresponding parts are denoted by the same reference numerals. The difference from FIG. 8 is that a related information display processing unit 17 and a related information display processing information storage unit 18 are added. The configuration of the coordinate input processing unit 15 and the display input point detection processing unit 16 is different from that of FIG. 8 as described later. In this embodiment, the CRT
On the display screen showing the system diagram of the display device 9, a related information display item menu related only to the selected plant equipment is displayed in a window. In addition, any item is selected from the related information display item menu, and related data corresponding to the item is displayed in a window.

Here, the coordinate input processing unit 15 inputs an input point on the system diagram selected by the coordinate input device 13.
The display input point detection processing unit 16 detects an input point input by the coordinate input processing unit 15. The related information display processing unit 17
Based on the data in the related information display processing information storage section 18 and the input point data detected by the display input point detection processing section 16, a related information display item menu text of the corresponding plant equipment is created. Further, while creating a text of each item, a related information display item menu of the plant device selected by the coordinate input device 13 is displayed on a system diagram in a window, and any one of the items in the related information display item menu is displayed. Perform processing to display the contents of. The related information display processing information storage unit 18 stores a related information display item menu text for displaying related information related to plant equipment displayed on the system diagram and data for creating text of each item in the related information display process. Provided to the unit 17.

In the above configuration, the process data from the plant 2 is input at regular intervals by the plant data input processing unit 3, the input data requiring processing is subjected to predetermined arithmetic processing, and the plant data storage unit 4 It is memorized. First, the operator inputs the screen number of the screen menu of the system diagram from the screen selecting device 10 in order to display the system diagram on the CRT display device 9. Thus, the screen number is output to the system diagram display processing unit 5 via the dialog processing unit 11 and the screen selection processing unit 12. In the system diagram display processing unit 5, first, fixed data in the system diagram, that is, data that does not change over time, is extracted from the system diagram display information storage unit 6,
The information is sent to the display controller 8 via the CRT display processor 7. Then, as shown in FIG. 2, the fixed part is displayed on the CRT display device 9 in the system diagram. In this figure, some devices of the nuclear power plant are shown with a system diagram of the fixed part,
Data such as water level, main steam and flow rate are displayed. Subsequently, in the plant data input processing unit 3, scanning is performed at a fixed cycle, process data is read, and the data is stored and updated in the plant data storage unit 4. Using this process data, the system diagram display processing unit 5 extracts the display input point numbers corresponding to the screen menu items of the system diagram stored in the system diagram display information storage unit 6 and extracts the plant equipment of the system diagram. From the plant data storage unit 4. Further, the system diagram display information storage unit 6 is configured as shown in FIG. 3, and stores various information such as display type, display cycle, and display coordinates. The system diagram display processing unit 5 creates display data based on the data in the system diagram display information storage unit 6. Then, the CRT display processing unit 7 is activated, and the process data as shown in FIG. 2 is displayed on the CRT display device 9 in addition to the system diagram of the fixed unit.
In this way, the system diagram for which the operator has requested display is
The data is displayed on the CRT display device 9, and the process data of each plant device is changed and displayed on the system diagram every moment.

Next, when the operator causes the CRT display device 9 to display related information on the plant equipment on the above-described system diagram, first, as shown by the touch arrow shown in FIG. Touch selection is performed on the plant equipment. Thereby, the coordinate data selected by the touch is output to the coordinate input processing unit 15 via the input control unit 14. The coordinate input processing unit 15 converts the coordinate data into display coordinates of the CRT display device 9 and activates the display input point detection processing unit 16. Subsequently, the display input point detection processing unit 16 calculates the coordinate data input from the coordinate input processing unit 15, the display start coordinates and the display span of the system diagram display information storage unit 6 configured as a file as shown in FIG. Based on the data, it is determined which plant equipment is selected by the operator according to the following equations (1) and (2).

[0017]

## EQU1 ## Display start X coordinate−α ≦ input X coordinate ≦ display start X
Coordinates + X direction display span + α (1)

[0018]

## EQU2 ## Display start Y coordinate−β ≦ input Y coordinate ≦ display start Y
Coordinate + display span in Y direction + β (2)

Here, α: a constant for adjusting the allowable range of the input of the X coordinate β: a constant for adjusting the allowable range of the input of the coordinate of the Y coordinate

Thus, when the input coordinates are within the range of the above equation, it is determined that the plant equipment corresponding to the corresponding input point number in the system diagram display information storage unit 6 has been selected. If there is no corresponding input point number as a result of the determination, the input coordinate data is output to the related information display processing unit 17. As a result of this determination, when a plant device is selected, the input point number of the system diagram display information storage unit 6 as illustrated in FIG.
7, the information of the plant equipment selected by the operator is notified.

The related information display processing section 17 performs processing based on the processing procedure shown in FIG. First, the relevant data is fetched (101). Next, it is determined whether or not to select an input point number or a related information display item menu according to the plant equipment in the system diagram of the CRT display device 9 based on the fetched related data (102). If the input point number is the input point number, data corresponding to the input point number is extracted from the related information display processing information storage unit 18 and processed (103). Subsequently, an output text of the related information display item menu corresponding to the input point number is created, and further, the menu display coordinates of the related information display item are extracted from the system diagram display information storage unit 6 and shown in FIG. As described above, a window is superimposed and displayed on the system diagram near the plant equipment selected by the operator (104). In the example of the related information display item menu, items such as a device name xxxxxx, standard data, history data, and flow rate data according to the device are displayed. Next, it is determined whether or not the operator has selected any item of the related information display item menu as shown by the touch arrow in FIG. 5 (10).
5). Here, when any item of the related information display item menu is selected, the process returns to perform data fetch processing of the input coordinates (101). And step 1
At 02, it is determined that any item of the related information display item menu has been selected, and text for related information display is created according to the selected item. The related information display text is created by the related information display processing unit 17 based on data having a file configuration as shown in FIG. 6 provided in the related information display processing information storage unit 18. The related information display file of the related information display processing information storage unit 18 includes a standard data display pointer, a flow rate data display pointer, and the like for each input point, and stores data corresponding thereto. . The text created by the related information display processing unit 17 is displayed on the CRT display device 9 via the CRT display processing unit 7 above the position where the related information display item menu was displayed as shown in FIG. 106). In this example, various data such as a device name xxxxxx and a standard data display are displayed. On the other hand, in step 105,
It is determined whether or not each item of the related information display item menu has not been selected and the specified time has elapsed (107). In this determination, if the item of the related information display item menu is not selected until the specified time has elapsed, a text for erasing the related information display item menu is created, and accordingly,
The related information display item menu is deleted, and the display returns to the display screen shown in FIG. 2 (108).

By the way, the related information display screen displayed in this way is displayed as a window on the display screen of the system diagram that has been displayed so far, and thus overlaps with the information required by the operator. You may not be able to see it.
In this case, the screen is moved right and left by touching an arrow key displayed at the lower right on the screen of the CRT display device 9. When it is necessary to delete the related information display screen, the user touches the part to be deleted.

As described above, according to the present embodiment, necessary information related to plant equipment can be displayed on a display screen based on a system diagram. In addition, since a window is displayed, status monitoring of another plant is continued. I can do it. Therefore, the display can be immediately performed without depending on the memory of the operator, so that the burden on the operator can be reduced.

In this embodiment, the selection of one plant device has been described. However, the present invention is not limited to this.
Select multiple plant devices from the system diagram display screen,
Displaying a plurality of windows at the same time can be performed in the same manner as in the present embodiment. As a result, related information of a plurality of plant devices can be efficiently obtained, so that the operation efficiency of the plant is further improved.

[0025]

As described above, according to the present invention, the information related to the plant equipment selected by the operator can be displayed on the same screen from the display screen of the system diagram. As a result, information necessary for operating the plant can be displayed without relying on the operator's memory. In addition, since the related information of the selected plant equipment is displayed in a window on the same screen, information necessary for plant monitoring can be continuously monitored and the related information of the selected plant equipment can be viewed, thereby improving operation monitoring. I can do it. Therefore, the burden on the operator can be reduced, and the plant can be operated more safely because the operator can concentrate on the task of monitoring and controlling the plant, which should be performed by the original operator.

[Brief description of the drawings]

FIG. 1 is a block diagram of a process display device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a display screen of a system diagram of the apparatus.

FIG. 3 is an explanatory diagram showing a part of a file configuration of a system diagram display information storage unit of the apparatus.

FIG. 4 is an explanatory diagram showing a processing procedure of a related information display processing unit of the apparatus.

FIG. 5 is an explanatory diagram in which a related information display item menu is window-displayed on a display screen of a system diagram of the apparatus.

FIG. 6 is an explanatory diagram showing a part of a file configuration of a related information display processing information storage unit of the apparatus.

FIG. 7 is an explanatory diagram showing an example of a related information display selected from the related information display item menu shown in FIG. 5;

FIG. 8 is a block diagram of a process display device showing a conventional example.

FIG. 9 is an explanatory diagram showing a display screen of a system diagram of the apparatus.

10 is an explanatory diagram showing an example of a related information display selected from the display screen of the system diagram shown in FIG. 9;

[Explanation of symbols]

 Reference Signs List 1 process display device 2 plant 3 plant data input processing unit 4 plant data storage unit 5 system diagram display processing unit 6 system diagram display information storage unit 9 CRT display device 10 screen selection device 13 coordinate input device 15 coordinate input processing unit 16 display Input point detection processing unit 17 Related information display processing unit 18 Information storage unit for related information display processing

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) G08B 23/00 510

Claims (2)

(57) [Claims] 1. A plant data input processing unit for inputting process data from a plant, a plant data storage unit for storing process data input by the plant data input processing unit, and a system diagram for displaying a plant state in a system diagram. A system diagram display information storage unit in which information is stored in advance, and a system for creating a plant state as a system diagram based on the data in the system diagram display information storage unit and the data in the plant data storage unit. A diagram display processing unit, a display device having a multi-window display function of displaying a system diagram created by the system diagram display processing unit, and a coordinate input device for designating and inputting a coordinate position on the system diagram. Information related to plant equipment selected based on input point data from the coordinate input device. A related information display item menu is window-displayed on the system diagram, and the contents of the item selected from the displayed related information display item menu based on the input point data from the coordinate input device are window-displayed and displayed. And a related information display processing section for performing a process of deleting the related information display item menu when an item is not selected from the related information display item menu for a predetermined time. 2. The related information display processing section displays the related information display window in a superimposed manner near the selected plant equipment, and further displays the related information window in conjunction with the display of the related information window. Provided a move request receiving unit and an erasing request receiving unit for the related information window,
2. The process display device according to claim 1, further comprising a window display processing unit that moves or deletes the related information window according to a request instruction from the movement request reception unit or the deletion request reception unit.