JPH10111712A - Alarm monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an alarm monitoring device which efficiently displays information related to the abnormality of a plant, reduces work which is not required for an operator and realizes a speedy corresponding operation. SOLUTION: Plant data from a site sensor 1 is inputted through an input/ output device 2 and a data processor 3 judges whether abnormality occurs in the plant or not. When abnormality is judged to occur in the plant, the operation history of an abnormal item is preserved in a data recording device 4. When the same abnormal item occurs as the plant abnormality, the operation history of the past same abnormal item is displayed on an alarm monitor screen by the operation of the operator from the alarm monitor screen. Thus, the corresponding operation of this time is executed by referring to the past corresponding operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm monitoring device which displays various screens on a display device when an abnormality occurs in a plant and performs an operation corresponding to the abnormality.

[0002]

2. Description of the Related Art For example, in a large-scale plant such as a power generation plant, a monitoring control panel having an alarm window is installed in a central control room, and a display device (for example, a CRT display device) connected to a computer is installed. The plant is monitored by the alarm window and the display device of the monitoring control panel. Various screens for monitoring operations are displayed on a display device connected to the computer.

That is, when an abnormality occurs in a plant,
An alarm window of the monitoring control panel corresponding to the abnormality is turned on. The operator checks the type of the abnormal content by looking at the name of the lit alarm window. After the confirmation, the operator displays an alarm monitoring screen on the display device, and confirms the contents of the alarm on the alarm monitoring screen. Further, when the content of the alarm is confirmed, a plant status monitoring screen is displayed on the display device, and the plant status, the operation status of the abnormal equipment, and the like are confirmed on the plant status monitoring screen.

[0004] After the confirmation, the operator infers the cause of the abnormality, and determines the corresponding operation based on the inference result.
An operation screen for operating the plant equipment is displayed on the display device. The operator issues a command to operate the device based on the operation screen and performs an operation corresponding to the abnormality. In this case, the operator confirms the status of the equipment and the trend of the cause of the abnormality on the instrument of the monitoring control panel and the plant status monitoring screen of the display device in parallel with the corresponding operation.

[0005]

However, in such a conventional alarm monitoring device, it may not be possible to quickly perform a response operation to a plant abnormality. That is, the amount of information and the types of alarms of the plant are increasing, and the monitoring instruments and operating instruments for monitoring and operating these are bloated. Therefore, the operator needs labor for confirmation work so as not to erroneously recognize a complicated indicator or instrument, and may not be able to perform a quick response operation.

When an abnormality occurs in the plant, the alarm window of the monitoring and control panel is turned on, and the operator checks the name of the turned on alarm window to confirm the type of the error, and then displays the alarm on the display device. The alarm content is confirmed on the monitoring screen, and the plant status and the operating status of the abnormal equipment are confirmed on the plant status monitoring screen. Since each exists as a separate function, while deciding what to check,
There was a problem that the operator could not confirm unless the monitoring function was developed.

That is, the operator operates the screen of the display device while judging what device should be operated when an abnormality occurs. Therefore, it takes a lot of time to display the operation screen of the corresponding operation device. However, there has been a problem that an immediate response operation cannot be performed, and that complicated work is required.

Accordingly, an object of the present invention is to provide an alarm monitoring device that efficiently displays information related to a plant abnormality on a display device, reduces unnecessary work of an operator, and enables quick response operation. To provide.

[0009]

According to a first aspect of the present invention, there is provided an input / output device for inputting plant data from a plant, and whether or not an abnormality has occurred in the plant based on the plant data input from the input / output device. A data processing device to be determined;
A data recording device that stores the history of response operations performed for plant abnormalities, and a history of past response operations corresponding to abnormal items stored in the data recording device by operator operation from the alarm monitoring screen. A display device for taking out the data from the data recording device and displaying it on the alarm monitoring screen.

According to the first aspect of the present invention, when an abnormality occurs in the plant, the operation history of the same abnormal item in the past is displayed on the alarm monitoring screen by the operation of the operator from the alarm monitoring screen. Thereby, the corresponding operation can be performed with reference to the past corresponding operation.

According to a second aspect of the present invention, there is provided an input / output device for inputting plant data from a plant, and a data processing device for determining whether an abnormality has occurred in the plant based on the plant data input from the input / output device. When the data processing device determines that an abnormality has occurred in the plant, a data recording device that saves plant data of the system related to the abnormality factor for each abnormality factor, and an operator operation from the alarm monitoring screen A display device for displaying past plant data corresponding to the cause of abnormality stored in the data recording device together with current plant data on an alarm monitoring screen.

According to the second aspect of the present invention, when an abnormality occurs in the plant, a plant graph related to the same abnormality cause in the past is displayed together with the trend graph of the current plant data by the operation of the operator from the alarm monitoring screen. Display on the alarm monitoring screen as a trend graph.

According to a third aspect of the present invention, in the second aspect of the present invention, the history of the corresponding operation performed for the plant abnormality is additionally stored in the data recording device, and the display device displays the history from the alarm monitoring screen. In the operation of the operator, the history of the past corresponding operation corresponding to the abnormal item is added and displayed on the alarm monitoring screen.

According to the third aspect of the invention, in addition to the operation of the second aspect, when an abnormality occurs in the plant, the operation history of the same abnormal item in the past can be obtained by operating the operator from the alarm monitoring screen. Add and display on the alarm monitoring screen.

According to a fourth aspect of the present invention, there is provided an input / output device for inputting plant data from a plant, and a data processing device for determining whether an abnormality has occurred in the plant based on the plant data input from the input / output device. , A data recording device that registers and saves the plant status monitoring screen and operation screen displayed on the display device by the corresponding operation performed for plant abnormalities, and responds to abnormal items by operator operation from the alarm monitoring screen And a display device for taking out and displaying the plant status monitoring screen and the operation screen registered and stored from the data recording device.

According to the fourth aspect of the present invention, when an abnormality occurs in the plant, a plant state monitoring screen or an operation screen displayed on the same abnormal item in the past by operating the operator on the alarm monitoring screen. Display on the display device.

The invention according to claim 5 is the invention according to claims 1 to 3.
In the invention of the above, the data recording device additionally registers and saves a plant state monitoring screen and an operation screen displayed on the display device by the corresponding operation performed for the plant abnormality, and the display device displays the alarm monitoring screen. In response to the operator's operation, the plant status monitoring screen and the operation screen registered and stored in correspondence with the abnormal item are taken out from the data recording device and are additionally displayed on the alarm monitoring screen.

According to the fifth aspect of the invention, in addition to the functions of the first to third aspects of the invention, when an abnormality occurs in the plant, the same abnormal item in the past can be operated by the operator on the alarm monitoring screen. Display the plant status monitoring screen and the operation screen displayed on the display device.

The invention according to claim 6 is the invention according to claims 1 to 5
In the invention according to the invention, when it is determined that an abnormality has occurred in the plant in the data processing device, the display device displays an alarm message aggregated for each device system corresponding to the abnormal item on the alarm monitoring screen. It was done.

According to the sixth aspect of the present invention, in addition to the functions of the first to fifth aspects of the present invention, an alarm message which is collected for each device system with respect to an abnormal item is displayed on an alarm monitoring screen.

[0021]

Embodiments of the present invention will be described below. FIG. 1 is a block diagram of an alarm monitoring device according to the present invention. The plant data from the plant is the on-site sensor 1
And is input to the data processing device 3 via the input / output device 2. The data processing device 3 determines whether an abnormality has occurred in the plant based on the plant data input from the input / output device 2 and stores the plant data in the data recording device 4.

Various screens to be displayed on the display device 5 by an operator when an abnormality occurs in the plant are stored in the data recording device 4 in advance. For example, an alarm monitoring screen for displaying the contents of an alarm in response to a plant abnormality, a plant state monitoring screen for displaying an operating state of an abnormal device or a plant status, an operation screen for performing an operation corresponding to the abnormality, and the like. It is remembered.

When an abnormality occurs in the plant, the operator confirms the contents of the alarm on the display device 5 on the alarm monitoring screen, grasps the normal operation of the abnormal equipment on the plant state monitoring screen, and displays the operation screen. Thus, an operation command is output to the plant equipment 6 to perform an operation corresponding to an abnormality.

FIG. 2 is an explanatory diagram of the first embodiment of the present invention. In the first embodiment, when an abnormality occurs in the plant, the operation history of the same abnormal item in the past is displayed by the operation of the operator from the alarm monitoring screen 7 displayed on the display device 5 on the alarm monitoring screen. 7 is displayed. Thereby, the corresponding operation can be performed with reference to the past corresponding operation.

The data processing device 3 constantly determines whether or not an abnormality has occurred in the plant based on plant data input through the input / output device 2. If an abnormality occurs in the plant, the data processing device 3 performs data processing. The device 3 displays an alarm monitor screen 7 corresponding to the abnormal item on the display device 5. As shown in FIG. 2A, an alarm message 8 is displayed on the alarm monitoring screen 7 to notify an operator of an alarm state of the plant.

On the other hand, the data processing device 3 collects the operation by the operator of the plant equipment 6 and the change in the state of the plant from the time of occurrence of the abnormality of the plant in order of time, and collects the data in the data recording device 4.
To save. That is, it is stored in the data recording device 4 as operation history data corresponding to the abnormal item that has occurred.

When the same abnormality occurs again, an alarm message 8 displayed on the alarm monitor screen 7 indicates that the abnormality has occurred in the past. When the operator confirms this on the alarm monitoring screen and makes a selection operation, FIG.
As shown in (b), the past operation history data 9 at the time of occurrence of the same abnormality is taken out from the data recording device 4 and displayed on the alarm monitoring screen 7.

As described above, in the first embodiment, when an abnormality occurs in the plant, the occurrence and restoration of the abnormality, the operation by the operator of the plant equipment 6, and the operation status of the plant equipment 6 are recorded as operation history data in the data recording device. Save it in 4. When an abnormality occurs in the plant, the operator selects the history data corresponding to the abnormal item,
Is displayed on the alarm monitoring screen 7. Therefore, when the same plant abnormality occurs, it is possible to refer to the past corresponding operation history stored in the data recording device 4.

According to the first embodiment, the operation history when an abnormality occurs in the plant can be displayed on the alarm monitoring screen 7, so that the past operation results can be referred to and the judgment of the operation can be made. Can be done quickly.

Next, a second embodiment of the present invention will be described. FIG. 3 is an explanatory diagram of the second embodiment of the present invention.
According to the second embodiment, when an abnormality occurs in the plant, the operator can operate the alarm monitor screen 7 to display plant data related to the same abnormality factor in the past together with the trend graph of the current plant data. Trend graph 1
0 is displayed on the alarm monitoring screen 7.

The data processing device 3 constantly determines whether or not an abnormality has occurred in the plant based on plant data input through the input / output device 2. If an abnormality occurs in the plant, the data processing device 3 performs data processing. The device 3 displays an alarm monitor screen 7 corresponding to the abnormal item on the display device 5. As shown in FIG. 3A, an alarm message 8 is displayed on the alarm monitoring screen 7 to notify an operator of an alarm state of the plant.

On the other hand, the data processing device 3 stores plant data related to the cause of the abnormality in the data recording device 4. At this time, a trend graph 10 of the current plant data is displayed on the alarm monitoring screen 7 as necessary.

When the same plant abnormality occurs again, an alarm message 8 displayed on the alarm monitoring screen 7 is selected, so that the past plant related to the same abnormality cause at the time of the abnormality occurrence can be selected. Data recording device 4
The past trend graph 10 is displayed on the alarm monitor screen 7 of the display device 5 together with the trend graph 10 of the current plant data as shown in FIG.

That is, when a plant abnormality occurs, the past plant data of the related system at the time of occurrence of the same abnormality in the past is displayed on the trend graph 10, and the current plant data is simultaneously displayed on the trend graph 10. This makes it possible to compare with the past plant data in the alarm condition trend monitoring.

According to the second embodiment, the trend graph 10 at the time of the occurrence of a past abnormality stored in the data recording device 4 can be displayed on the alarm monitoring screen 7, so that the same graph is displayed again. When an abnormality has occurred, the current trend graph 10 displayed on the alarm monitoring screen 7 and the past trend graph 10 stored in the data recording device 4 when the same abnormality has occurred in the past can be simultaneously displayed.
Therefore, it is possible to quickly determine the corresponding operation from the past plant data.

Here, in the second embodiment, the first
It is also possible to add the operation history of the same abnormal item in the past described in the embodiment and display it on the alarm monitoring screen 7. In this case, the monitoring performance is further improved.

Next, a third embodiment of the present invention will be described. FIG. 4 is an explanatory diagram of the third embodiment of the present invention.
In the third embodiment, when an abnormality occurs in the plant, the operator operates the alarm monitoring screen 7 to operate the plant state monitoring screen 13 or the operation screen that displays the same abnormal items in the past. 14 is displayed on the display device 5.

The data processing device 3 constantly determines whether or not an abnormality has occurred in the plant based on plant data input through the input / output device 2. If an abnormality occurs in the plant, the data processing device 3 performs data processing. The device 3 displays an alarm monitor screen 7 corresponding to the abnormal item on the display device 5. As shown in FIG. 4A, an alarm message 8 is displayed on the alarm monitoring screen 7 to notify an operator of an alarm state of the plant.

On the other hand, the data processing device 3 displays a plant status monitoring screen 1 displayed on the display device 5 by an operator's operation in order to check the plant status, the operating status of abnormal equipment, and the like.
The operation screen 14 displayed on the display device 5 for operating the device 3 or the plant equipment is registered in the data recording device 4 as display screen data at the time of occurrence of an abnormality.

When the same abnormality occurs again, an alarm message 8 displayed on the alarm monitoring screen 7 is displayed.
Is selected, a screen selection window 11 is displayed on the alarm monitoring screen 7 as shown in FIG. 4 (b), and a screen registered in the data recording device 4 is selected by the screen selection window 11 and displayed. 5 is displayed. FIG. 4C shows a case where the plant state monitoring screen 13 is selected.
(D) shows a case where the operation screen 14 is selected. That is, since the operation screen 14 of the plant equipment requiring operation from the alarm monitoring screen 7 when an abnormality occurs can be directly displayed via the screen selection window 11, a quick response operation is possible.

According to the third embodiment, the screen displayed at the time of occurrence of a past abnormality can be taken out from the data recording device 4 and displayed on the display device 5, so that if a plant abnormality occurs, an alarm is issued. Operation screen 1 from monitoring screen 7
4 can be directly deployed and quick response operations can be performed.

Here, in the third embodiment,
The operation history of the same abnormal item in the past described in the first embodiment may be added and displayed on the alarm monitoring screen 7, or the second
It is also possible to add the plant status monitoring screen and the operation screen displayed for the past plant abnormalities described in the above embodiment and display them on the alarm monitoring screen 7.

Next, a fourth embodiment of the present invention will be described. The fourth embodiment is different from the first to third embodiments in that when an abnormality occurs in a plant, a warning message aggregated for each equipment system corresponding to the abnormality item is issued. This is displayed on the alarm monitoring screen 7.

The data processing device 3 constantly determines whether or not an abnormality has occurred in the plant based on plant data input through the input / output device 2. If an abnormality occurs in the plant, the data processing device 3 performs data processing. The device 3 displays an alarm monitor screen 7 corresponding to the abnormal item on the display device 5. As in the first to third embodiments, an alarm message 8 is displayed on the alarm monitor screen 7 to notify the operator of the alarm state of the plant.

On the other hand, abnormality information is registered in the data recording device 4 for each plant device 6 and each system, and when an abnormality occurs, an alarm message 8 consolidated for each device and each system is displayed on an alarm monitoring screen. That is, when an abnormality occurs, the alarm monitoring screen 7 displays the alarm messages aggregated for each device and system. Therefore, even when a plurality of alarms are generated at the same time, the alarm monitoring screen 7 becomes full of the alarm messages and the alarm message is displayed.
It doesn't get stuck on the screen. Therefore, it is possible to perform a quick response operation from the alarm monitoring screen 7 without troublesome alarm confirmation.

That is, when the data processing device 3 determines that the plant is abnormal, as shown in FIG. 5A, an alarm message 8 consolidated for each device system is displayed on an alarm monitoring screen 7 of the display device 5. Then, the operator is notified of the alarm state of the plant, and by selecting the alarm message 8 displayed on the alarm monitoring screen 7, detailed alarm contents 12 are displayed on the alarm monitoring screen as shown in FIG. To be displayed. In addition,
FIG. 5B shows the trend graph 10 and the screen selection window 11 displayed together.

According to the fourth embodiment, in addition to the effects of the first to third embodiments, the alarm message 8 can be displayed on one screen even when a plurality of alarms are generated. In addition, an alarm confirmation operation can be performed quickly even in a monitoring system without an alarm window.

[0048]

As described above, according to the present invention, when an abnormality occurs in a plant, necessary information can be obtained from the alarm monitor screen of the display device and can be expanded from the alarm monitor screen to the operation screen of the device, so that the emergency The operator's operation load due to the response can be reduced. Therefore, erroneous recognition and erroneous operation can be prevented, and early response is possible even with a small number of people.

Further, since the necessary information can be obtained by the display device, the number of alarm windows and fittings of the monitoring control panel can be reduced. For this reason, it is possible to reduce the size of the monitoring control panel and to save space in the central control room.

[Brief description of the drawings]

FIG. 1 is a block diagram of an alarm monitoring device according to the present invention.

FIG. 2 is an explanatory diagram of the first embodiment of the present invention.

FIG. 3 is an explanatory diagram of a second embodiment of the present invention.

FIG. 4 is an explanatory diagram of a third embodiment of the present invention.

FIG. 5 is an explanatory diagram of a fourth embodiment of the present invention.

[Description of Signs] 1 Field sensor 2 Input / output device 3 Data processing device 4 Data recording device 5 Display device 6 Plant equipment 7 Alarm monitoring screen 8 Alarm message 9 Operation history data 10 Trend graph 11 Screen selection window 12 Alarm contents 13 Plant status Monitoring screen 14 Operation screen

Claims (6)

[Claims] 1. When an abnormality occurs in a plant, an alarm monitor screen is displayed on a display device to check the contents of the alarm, and then a plant state monitor screen is displayed on the display device to check the operation state of the abnormal equipment. Then, after the confirmation, in an alarm monitoring device configured to display an operation screen on the display device and perform an operation corresponding to an abnormality, an input / output device for inputting plant data from the plant, and an input / output device for inputting plant data. A data processing device that determines whether an abnormality has occurred in the plant based on plant data, a data recording device that stores a history of the corresponding operation performed for the abnormality in the plant, and an alarm monitoring screen. From the data recording device to retrieve the history of the past corresponding operation corresponding to the abnormal item stored in the data recording device by the operation of the operator from the alarm A display device for displaying on a monitoring screen. 2. When an abnormality occurs in a plant, an alarm monitor screen is displayed on a display device to check the contents of the alarm, and then a plant state monitor screen is displayed on the display device to check the operation state of the abnormal equipment. Then, after the confirmation, in an alarm monitoring device configured to display an operation screen on the display device and perform an operation corresponding to an abnormality, an input / output device for inputting plant data from the plant, and an input / output device for inputting plant data. A data processing device that determines whether an abnormality has occurred in the plant based on plant data, and a plant associated with the cause of the abnormality when the data processing device determines that an abnormality has occurred in the plant. A data recording device for storing data for each of the abnormality causes, and the abnormality stored in the data recording device by an operator operation on the alarm monitoring screen. A display device for displaying past plant data corresponding to the factor together with current plant data on the alarm monitoring screen. 3. The data recording device additionally stores a history of the corresponding operation performed on the abnormality of the plant, and the display device is operated by an operator on the alarm monitoring screen. 3. The alarm monitoring device according to claim 2, wherein a history of past response operations corresponding to the abnormal items is added and displayed on the alarm monitoring screen. 4. When an abnormality occurs in a plant, an alarm monitor screen is displayed on a display device to check the contents of the alarm, and then a plant state monitor screen is displayed on the display device to check the operation state of the abnormal equipment. Then, after the confirmation, in an alarm monitoring device configured to display an operation screen on the display device and perform an operation corresponding to an abnormality, an input / output device for inputting plant data from the plant, and an input / output device for inputting plant data. A data processing device that determines whether an abnormality has occurred in the plant based on plant data, and the plant state monitoring screen displayed on the display device in the corresponding operation performed on the abnormality of the plant; and A data recording device for registering and saving the operation screen, and the plan registered and saved corresponding to the abnormal item by an operator's operation on the alarm monitoring screen And a display device for extracting and displaying the status monitoring screen and the operation screen from the data recording device. 5. The data recording device further registers and saves the plant state monitoring screen and the operation screen displayed on the display device by the corresponding operation performed on the abnormality of the plant, The display device, by operation of the operator from the alarm monitoring screen, takes out the plant state monitoring screen and the operation screen registered and stored corresponding to the abnormal item from the data recording device and displays the plant monitoring screen and the operation monitoring screen on the alarm monitoring screen. 4. The alarm monitoring device according to claim 1, wherein the alarm monitoring device is additionally displayed. 6. The display device, when it is determined that an abnormality has occurred in the plant in the data processing device, displays an alarm message aggregated for each device system corresponding to the abnormality item on the alarm monitoring screen. The alarm monitoring device according to claim 1, wherein the warning is displayed.