JPH0793021A - Display screen controller for plant information - Google Patents

Abstract

PURPOSE:To lighten the burden on an operator and increase the basis of monitoring ability by deciding an event of a plant on the plant information and automatically displaying an optimum CRT screen according to the event and the progress and variation of the event. CONSTITUTION:A diagnostic device 9 which inputs the plant information through a data way 4 identifies an abnormal event if the event occurs, and sends information on the variation or progress of the event as the diagnostic result to a screen selection control unit 10 if the event change or progresses. The screen selection control unit 10 selects the optimum screen corresponding to the diagnostic result and automatically displays it on a CRT 1 for operation monitoring through a CRT processor 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant information display screen control device for controlling an operation monitoring display screen installed in a central control room of a nuclear power plant, for example.

[0002]

2. Description of the Related Art FIG. 4 is a system configuration diagram of a conventional plant information display screen control device. In FIG. 4, 1 is an operation monitoring CRT, 2 is a screen request device, and 3 is an operation of the screen request device 2. Based on driving CRT1
CRT processor for controlling the screen display of 4, data way, 5 plant control protection device, 6 plant auxiliary equipment,
7 is a plant data collection device, and 8 is a process sensor.

Next, the operation will be described. C for operation monitoring
In RT1, for example, the control and monitoring information necessary for operating the plant and the operation device of the plant auxiliary machine are displayed. CR
The state of the plant auxiliary machine 6 and the detected amount of the process sensor 8 displayed at T1 are input to the plant control protection device 5 and the plant data collection device 7, and then transmitted to the CRT processor 3 via the data way 4. After the screen editing process is performed, it is displayed on the CRT 1.

The operator selects the display screen by operating the screen request device 2. That is, the operation signal from the screen request device 2 is input to the CRT processor 3, the CRT processor 3 selects a screen, the display control of the selected screen is executed, and the operation monitoring CRT 1 displays the screen.

[0005]

Since the conventional plant information display screen control device is configured as described above,
The selection of the display screen of the CRT1 is basically based on manual selection by an operator or a simple automatic display mechanism triggered by a change in the process amount, and after identifying an event in which state the plant is, It does not have a function to display an appropriate screen as the event progresses. Therefore, for example, in the event of an accident such as a steam generator thin tube breakage accident, the amount of monitoring information increases, and the amount of screen selection operation increases the operator's burden. There is a problem that the operator's monitoring power is reduced because there is no room to perform the selection operation of.

The present invention has been made to solve the above-mentioned problems, and it is possible to discriminate a phenomenon in a plant,
An object of the present invention is to obtain a plant information display screen control device capable of reducing the burden on the operator and enhancing the plant monitoring power of the operator by automatically displaying the CRT display screen according to the event as the event progresses. To do.

[0007]

A plant information display screen control device according to the present invention is a diagnostic device for diagnosing a plant event, and an optimal screen according to the progress of the event based on the diagnostic result by the diagnostic device. Is provided and a screen selection control device for automatically displaying is selected.

Further, the screen selection control device is provided with a request input device for giving and registering a request input so that the screen displayed by the output result of the diagnostic device is displayed as a screen according to the request of each operator. is there.

Further, an output suppressing device for suppressing an automatic screen display request signal is provided between the screen selection control device and the CRT processor in order to prevent switching of the display screen within a predetermined time.

[0010]

According to the present invention, the plant information display screen control device diagnoses the phenomenon occurring in the plant by the diagnostic device, and based on the diagnostic result, the screen selection control device selects the optimum screen and automatically displays it. To do.

Further, by inputting a request from the request input device to the screen selection control device, the display screen is displayed in response to the operator's request.

Further, the output suppressing device provided between the screen selection control device and the CRT processor suppresses the switching of the display screen within a predetermined time.

[0013]

【Example】

Example 1. Embodiment 1 of the present invention will be described below with reference to the drawings. In the embodiment of FIG. 1 shown corresponding to the conventional example shown in FIG. 4, as a new configuration, 9 is a diagnostic device for diagnosing an event occurring in the plant and the progress situation based on the plant process data. Is a screen selection control device for selecting a screen to be automatically displayed based on the diagnosis result output by the diagnosis device 9. The screen selection control device 1
The CRT processor 3 controls the display of the screen selected by 0.

Further, 1 is a CRT for operation monitoring, 2 is a screen request device for an operator to manually select a screen during normal times, 4 is a data way for transmitting information related to plant operation control, and 5 is a data way. A plant control protection device, 6 is a plant auxiliary device, 7 is a plant data collection device, and 8 is a process sensor.

Next, the operation will be described. When an abnormal event such as a steam generator thin tube breakage occurs during plant operation, the diagnostic device 9 identifies the event based on the plant information input via the data way, and screen-selects the diagnostic result for control. To the device 10. Screen selection control device 10
Selects the most suitable screen for the event based on the diagnosis result, transmits the selection information to the CRT processor 3, and the CRT processor 3 executes the display control of the selected screen and displays it on the CRT 1.

The diagnostic device 9 constantly monitors the plant information, and when an abnormal event changes or progresses due to the operator's corresponding operation, the change / progress is appropriately transmitted to the screen selection control device 10. The screen selection control device 10 selects the optimum screen according to the change / progress of the event based on the information from the diagnosis device 9, and the selected information is sent to the CRT processor 3
The CRT processor 3 executes the display control of the selected screen and displays it on the CRT 1. Furthermore, in a normal time, that is, when there is no output from the diagnostic device 9, the screen display request from the operator is received and executed via the screen request device 2 as in the conventional technique.

Example 2. In the first embodiment described above, the diagnosis device 9 diagnoses the state of the plant based on the plant information, and the screen selection control device 10 automatically displays the optimum screen according to the diagnosis result. Figure 2
As shown in FIG. 5, by providing the operator request input device 11 and allowing each operator to individually register the screen displayed by the output result of the diagnostic device 9 in the screen selection control device 10, The screen automatically displayed according to the occurrence and progress of the operation can be adjusted in advance according to the preference of each operator, the range of responsibility, and the judgment, and the man-machine interface performance can be improved.

Example 3. In the first embodiment, the case has been described in which the diagnosis device 9 diagnoses the state of the plant based on the plant information, and the screen selection control device 10 automatically displays the optimum screen according to the diagnosis result. Figure 3
As shown in FIG. 5, when the output suppression device 12 is provided between the screen selection control device 10 and the CRT processor 3 and the output result of the diagnostic device 9 changes with the progress / change of the event, the event significantly progresses especially in a short time. If there is a change, there is a possibility that automatic screen display requests to the CRT processor 3 will frequently occur, but the output suppressing device 12 should perform a suppressing action to block a new automatic screen display request within a short time. As a result, it is possible to prevent frequent switching of screens and improve the visibility of the operator.

[0019]

As described above, according to the present invention, the state of the plant is diagnosed by the diagnosis device based on the plant information, and the optimum operation monitoring is performed by the screen selection control device according to the diagnosis result. Since the screen can be automatically displayed, it is possible to reduce the burden on the operator to manually select the screen when an abnormal event occurs in the plant, and important monitoring information can be displayed even when the operator is busy with the response operation especially in the case of a serious accident. It is always selected and displayed, which is effective in improving plant monitoring ability and plant safety.

Further, the man-machine interface performance can be improved by registering a request signal in the screen selection control device so that the display screen is displayed by the request input device in response to the request of each operator.

Further, the output suppressing device provided between the screen selection control device and the CRT processor can prevent frequent switching of the screen within a short time and improve the visibility.

[Brief description of drawings]

FIG. 1 is a system configuration diagram showing a first embodiment of the present invention.

FIG. 2 is a system configuration diagram showing a second embodiment of the present invention.

FIG. 3 is a system configuration diagram showing a third embodiment of the present invention.

FIG. 4 is a system configuration diagram showing a conventional display screen control device for plant information.

[Explanation of symbols]

 1 CRT for operation monitoring 2 Screen request device 3 CRT processor 4 Data way 5 Plant control protection device 6 Auxiliary equipment 7 Plant data collection device 8 Process sensor 9 Diagnostic device 10 Screen selection control device 11 Request input device 12 Output suppression device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akane Morita 2-5-1, Marunouchi, Chiyoda-ku, Tokyo Sanryo Heavy Industries Co., Ltd. (72) Inventor Yushi Fujita 2-4-1-1, Shiba Park, Minato-ku, Tokyo (72) Inventor Katsumi Akagi 1-2-2 Wadamisaki-cho, Hyogo-ku, Kobe-shi, Hyogo Mitsubishi Electric Corporation Control Works

Claims (3)

[Claims] 1. A CRT for operation monitoring, which inputs plant information via a data way, performs screen editing processing to display a display screen, and a CRT processor which controls the CRT.
In a plant information display screen control device equipped with a screen request device for giving a display screen selection signal to this processor, a diagnosis for diagnosing an event occurring in the plant or a plant state by inputting plant information through the above data way 1. A display screen control device for plant information, comprising: a device; and a screen selection control device for automatically selecting and displaying a display screen according to a diagnosis result of the diagnosis device. 2. The screen selection control device is provided with a request input device for giving a request input and registering it so that the screen displayed by the output result of the diagnostic device is displayed as a screen in response to the request of each operator. The plant information display screen control device according to claim 1. 3. An output suppressing device for suppressing an automatic screen display request signal is provided between the screen selection control device and the CRT processor in order to prevent switching of the display screen within a predetermined time. Claim 1 or 2
Display screen control device for plant information described in the item.