JPH02193201A - Plant monitor - Google Patents

Abstract

PURPOSE:To quickly and properly perform the operation by interrupting a monitor picture to display an operation picture for the operation required for release of abnormality when an abnormality occurs to a plant. CONSTITUTION:When some element in the monitor picture is set to the abnor mal state while a station switchgear stack diagram DD for monitor of the plant is displayed on a screen ARa of a CRT display device, an area SP to which this element belongs is displayed in the station switchgear stack diagram DD in a different color, and an operation picture SD for release of the abnormal ity is displayed on an area ARd under the display screen of the CRT display device. Since the monitor picture is thus interrupted to display the operation picture SD for the operation of release of the abnormality at the time of occur rence of the abnormality, the operation to release the occurring abnormality is quickly performed independently of the degree of skill of an operator.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a plant monitoring device that monitors the operation of a plant.

(Conventional technology) For example, in thermal power plants, there is a trend toward automation and labor-saving control of the main engine and auxiliary equipment, and energy-saving measures include variable voltage operation, night-time shut-down operation, and weekend shut-down operation. This is becoming more common, and startup and shutdown are becoming more frequent.

In a thermal power plant, it is necessary to monitor the status of many devices during the startup and shutdown states, where the plant status changes. Therefore, frequent startup and shutdown will require operators to monitor the plant. The amount of work increases.

This plant monitoring work uses a plant monitoring device that stores a large number of monitoring screens for monitoring the operation of each part of the plant, and the monitoring screen selected by the operator's operation is displayed on the CRT display device. Furthermore, process data input from the plant is displayed on the monitoring screen, and plant monitoring work is performed.

In addition, the plant monitoring device monitors the occurrence of abnormalities in each part of the plant, and when any abnormality is detected, it records and outputs the fact that the abnormality has occurred and the name of the element that causes it, etc., from a printer, etc. It was designed to notify you of abnormal occurrences.

(Problem to be solved by the invention) However, in the past, when an abnormality occurred in a plant,
Although information representing this fact is recorded and output from a printer or the like, the operator needs to select an appropriate operation screen when performing an operation to cancel the abnormality that has occurred.

For this reason, if the operator's level of proficiency in driving operations is low, an inconvenience arises in that an appropriate operation for resolving the abnormality cannot be performed.

SUMMARY OF THE INVENTION An object of the present invention is to provide a plant monitoring device that solves the problems of the conventional devices and enables appropriate operation when an abnormality occurs.

[Configuration of the Invention (Means for Solving the Problem) The present invention provides an abnormality detection means for detecting an abnormality based on process data, and a cause for determining a plant element that is the cause of the abnormality detected by the abnormality detection means. The apparatus includes a determining means, and a display control means for interrupting and displaying, on a monitoring screen, an operation screen for operating the plant element determined by the cause determining means when the abnormality detecting means detects an abnormality.

(Function) Therefore, when an abnormality occurs, the operation screen for canceling the abnormality is displayed on the monitoring screen, so that the operation to cancel the abnormality that has occurred can be performed quickly without depending on the operator's proficiency level. It can be carried out.

(Embodiments) Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a CR7 display control system of a plant monitoring device according to an embodiment of the present invention. Note that other parts of the plant monitoring device are not directly related to the present invention and will therefore be omitted.

In the same figure, the main control panel 1 is for operating and monitoring the plant 2, and is equipped with a CRT display device as a display device, and a CRT display device as an operation device.
It includes a touch screen device attached to the screen of the display device.

The main monitoring panel 3 displays various process data obtained from the plant 2 and also displays a monitoring screen similar to the main control panel 1.

The display control bag N4 realizes interaction with the operator using the main control panel 1 and the main monitoring panel 3, and also
It also controls the display of the monitoring screen on the main monitoring panel 3, and the operation signals input from the main control unit 1 and the main monitoring panel 3 are output to the plant 2 via the transmission means 5.

Furthermore, process data input from the plant 2 is input to the display control device 4 via the transmission means 5.

In addition, the display control device 4 has a database that stores information such as display information on various monitoring screens, display information on various operation screens, and abnormality judgment criteria information for detecting abnormalities in each part of the plant 2. It is equipped.

With the above configuration, the display control bag M4 performs the processing shown in FIG. 2 to display a monitoring screen and an operation screen on the main control panel 1 and the main monitoring panel 3.

That is, the process data input from the plant 2 via the transmission means 5 is examined, a process is performed to determine whether any accident or failure has occurred in the plant 2 (process 101), and the operator sends a message on the display screen. Check whether there is a request (decision 1o2).

When the result of judgment 102 is YES, the monitoring screen requested to be displayed at that time is displayed on the CRT display device on which the display request operation was performed. It is checked whether occurrence of is detected (decision 1o4). Also, judgment 10
When the result of step 2 is NO, processing 103 is skipped and the process proceeds to decision 104.

When the result of judgment 104 is YES, an investigation process for the cause of the accident or failure determined at that time is executed (process 105), and time measurement of the elapsed time since the accident or failure occurs is started (process 106). .

Then, a process 107) to determine the equipment of the plant 2 related to the cause of the accident or failure obtained in process 105;
An operation screen for operating the equipment is selected, the selected operation screen is displayed as an interrupt on a part of the monitoring screen at that time (process 108), and the operator operates using the interrupt-displayed operation screen. Input processing is performed (process 109).

It is checked whether or not the accident or failure that occurred in the plant 2 has been resolved by this operation input (decision 110). If the result of determination 110 is No, it means that the accident or failure that occurred has not been resolved, so try again. Judgment 102
Return to and repeat the subsequent processing.

Further, when the result of the judgment 110 is YES, the accident or failure caused by the operator's operation has been recovered, so the operation screen that was interrupted and displayed at that time is erased (111), and this process is ended.

Further, when the result of the first judgment 104 is NO, no display request state has occurred, so this process is immediately terminated.

Therefore, for example, as shown in FIG. 3, when the in-house switchgear stack layout diagram DD for monitoring the plant 2 is displayed on the screen ARa of the CRT display device, any one of the monitoring screens When an element becomes abnormal, the area sp to which the element belongs is displayed in a different color in the station switchgear stack layout diagram DD, and the element is displayed in the area ARd below the display screen of the CRT display device. An operation screen SD for operation is displayed.

Here, on the operation screen SD, the name of the device to be operated is displayed as the title R1, and in the column R2 below it,
The symbol of the operating device for operating the equipment is displayed, and the columns R3 and R4 below that display the name of the cause of the accident/failure and the type of process abnormality, and the column R5 below that displays the name of the cause of the accident/failure and the type of process abnormality. displays the time that has passed since the abnormality occurred.

In this way, when an abnormality occurs in equipment in plant 2, the display state of the equipment that causes the abnormality switches to the abnormal state, and the operation screen for operating that equipment is automatically displayed. personnel can immediately perform operations to resolve the abnormality that has occurred.

By the way, in the above-mentioned embodiment, a case has been described in which the in-house switchgear stack arrangement diagram DD for monitoring the plant 2 is displayed on the screen ARa of the CRT display device.
Other monitoring screens may be displayed on the screen ARa of the CRT display device, for example,
As shown in Figure 4, the building equipment layout diagram DA or
The present invention can be similarly applied when displaying a schematic internal system diagram DB or the like.

In addition, in the embodiment described above, when an abnormality occurs, an operation screen for operating the equipment that causes the abnormality is displayed on the monitoring screen, but the operation screen is not included in the content displayed on the monitoring screen at that time. If a device to be operated on the screen is not included, it is also possible to automatically switch to the monitoring screen for that screen.

In the embodiments described above, various data are exchanged with the plant via the transmission means, but the present invention can be similarly applied to cases where data is exchanged using other means. can do.

In addition, when there are many devices that need to be operated in order to resolve an error that has occurred, it is recommended to reduce the operation screen or reduce the entire screen so that all operation screens are displayed on one screen. It can be done.

[Effects of the Invention] As explained above, according to the present invention, when an abnormality occurs in a plant, an operation screen for performing operations necessary to cancel the abnormality is displayed on the monitoring screen. This has the effect of reducing the burden of monitoring work on personnel, suppressing erroneous operations, and allowing quick and appropriate operations.

[Brief explanation of the drawing]

Fig. 1 is a schematic configuration diagram showing a CRT display control system of a plant monitoring device according to an embodiment of the present invention, Fig. 2 is a flowchart showing an example of processing of the display control device, and Fig. 3 shows a monitoring screen and an interrupt display. FIG. 4 is a schematic diagram showing an example of a monitoring screen and another example of an operation screen displayed in an interrupt manner. 1... Main control panel, 3... Main monitoring panel, 4... Display control device.

Claims (1)

[Claims] In a plant monitoring device that displays and outputs a monitoring screen for monitoring plant status based on process data input from the plant, and constitutes a means of operating the plant using a screen display device and a touch screen device attached to the screen, an abnormality detection means that detects an abnormality based on process data; a cause determination means that determines a plant element that is the cause of the abnormality detected by the abnormality detection means; and when the abnormality detection means detects an abnormality, the cause determination means determines 1. A plant monitoring device comprising display control means for interrupting and displaying an operation screen for operating plant elements on a monitoring screen.