JPH11175864A - Plant operation supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the latest operation item history data to an operator. SOLUTION: An operation item history retaining means 10 retains as operation item history data operation items after each stage of break point is completed by plant information in an operation item history retaining table 11. An operation item selection means 3 retrieves and extracts from the operation item history retaining table 11. A display processing means 2A notifies the operation item selection means of a break point judged based on the plant information and displays an operation item of a stage corresponding to the break point that is retrieved and extracted from the operation item history retaining table in a display device 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant operation support device having an operation item display function for displaying an operation status of an operation item such as an operation terminal for an automatic operation as a function for supporting operation of a thermal power plant or the like.

[0002]

2. Description of the Related Art In general, in the operation of a thermal power plant or the like, the status of the operating terminals automatically operated by a computer or the like is monitored by a CRT. For example, if there is an abnormality in the operation of the operation end such as the opening degree of the electric valve does not become 0% and the valve cannot be closed, a warning or a message is output.
Means were displayed on the T to allow the operator to confirm the abnormal operation end. In this case, since troubles are dealt with during the operation, if the measures are not taken accurately and promptly, various adverse effects such as delay of the driving time and inability to accurately determine the items to be operated may occur. I was In addition, when the operator of the operating end that has occurred is replaced with another operator, the means for transmitting the error as an extra item is performed in the item described during operation, so when the operator is busy in an emergency response etc. In addition, there is a risk that the delivery item may be omitted due to omission of description.

FIG. 19 is a block diagram of a conventional driving support apparatus. The input processing means 1 performs a plant input processing or a touch information input processing, and provides the information to a display processing means 2.

[0004] The display processing means 2 determines a break point from the current automation progress, refers to the operation item display table 4 and displays the operation item display data from the operation item selection means 3 according to the corresponding stage in FIG. Is performed as shown in FIG.

More specifically, as shown in FIG. 22, an operation item display table 4 stores operation items A, B, C, etc. corresponding to breakpoints 1, 2, 3, and 4 in advance.
At the break point 1, the operation end A, the operation end C, the operation end H,... Are stored.

For example, when a break point 2 is determined by the display processing means 2, the fact is notified to the display processing means 2, the operation item display table 4 is searched by the display processing means 2, and the break point currently in progress is searched. Each operation item of each of the future breakpoints 3 and 4 including the second stage is selectively extracted and passed to the display processing means 2. The display processing means 2 displays an operation item display example G1 shown in FIG.
Boiler ignition, temperature rise and pressure increase, turbine ventilation, and consolidation are breakpoints, and the items displayed below these breakpoints correspond to operation items.

For example, at the stage of the break point of boiler ignition, adjustment of the fuel adjustment valve, adjustment of the air adjustment valve, and burner ignition operation are displayed. As in the operation item display example G1, the operator is informed in advance as to what kind of operation item will be operated in the future.

On the other hand, the plant itself is operated in an automated manner, and the operation items actually operated in association with the automation are notified to the operator by another device. An operation item display G1 as shown in FIG. 20, in which an abnormality such as when the operation is stopped for some reason during the automated operation, as shown in FIG. 20, is referred to by the operator, and the cause of the abnormality is determined.

The display processing means 2 performs a process of displaying the logic chart display data from the logic chart selecting means 5 with reference to the logic chart display table 6 as shown in FIG. In response to the display signal given from the display processing means 2, the display device 7
0 or as shown in FIG. When the operator selects an operation terminal name for confirmation during display in FIG. 20 or FIG. 21, the touch screen 8 provides the touch operation input processing means 9 as coordinate data thereof. The touch operation input processing means 9 further converts the data into data for internal processing and provides the data to the input processing means 1.

[0010]

However, it is difficult for the conventional plant operation support device 100 to accurately present the expected operation items of each stage of the breakpoint accompanying the automation to the operator. Was.

That is, the conventional operation item display table 4 shown in FIG. 22 corrects a table created at the time of plant design during an automatic trial operation at the site, and when there is an operation abnormality during the automatic operation thereafter. It was modified at the time of regular inspection. Therefore, if the operation items are not sufficiently represented in the driving record or the like, the operation items may be different from the actual operation items of the automated driving, and it is difficult for the operator to accurately grasp the operation items in the future and their order. Was. For this reason, when the automated operation is stopped for some reason, the response of the operator is delayed, and the restart of the operation is likely to be delayed.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a plant operation support apparatus for accurately notifying predicted operation items of each stage according to the progress of the automatic operation of a plant and supporting the operation.

[0013]

According to a first aspect of the present invention, there is provided a system for predicting each stage in accordance with a breakpoint associated with the progress of plant operation, in order to monitor a plant which automatically executes each operation item and performs automatic operation. In a plant operation support device for displaying operation items to be displayed on a display device and supporting plant operation, an input processing means for inputting plant information from the plant and processing the same, and a past operation performed at each stage of each breakpoint. An operation item history storage table that saves operation items as operation item history data, and operation item history as operation item history data, the operation items after completion of each stage of a breakpoint determined by the plant information obtained by the input processing means Operation item history storage means for updating and saving to the save table, and status of breakpoints currently in progress The operation item selection means for searching and extracting the operation items of the history of the stage of the subsequent breakpoints from the operation item history storage table, and the operation item selection means for notifying the breakpoint determined based on the plant information from the input processing means to the operation item selection means A display processing means for displaying, on a display device, operation items of a stage corresponding to breakpoints retrieved and extracted from the operation item history storage table by the operation item selection means. According to this means, after the stage of the breakpoint in which the automation is in progress is completed, the operation items of that stage are updated and stored in the operation item history storage table as history data. Then, history operation items of breakpoints after the stage of the breakpoint currently in progress are displayed on the display device. Thereby, the latest history operation item is stored in the operation item history storage table. Therefore, the history operation items displayed and predicted on the display device are accurate, and it is possible to appropriately cope with a situation such as a stop during the automatic operation, and to eliminate the operation delay.

According to a second aspect of the present invention, in the driving support apparatus according to the first aspect, the operation item history storage table includes, for each operation mode, an operation item name, a breakpoint number, and an operation state of the operation item. The display processing means is configured to store the operation time, and the operation processing and the breakpoint number determined based on the plant information search the operation item history storage table via the operation item selection means according to the breakpoint number, and according to the breakpoint number. The operation state of each operation item is displayed on the display device in a time series. According to this means, the latest history operation item is stored in the operation item history storage table, and the corresponding history operation item is displayed as a time-series graph on the display device. As a result, the history operation items expected in the future can be strongly impressed and presented to the operator, and the operator can perform an accurate and prompt treatment.

According to a third aspect of the present invention, in the driving support apparatus according to the first aspect, the operation item history storage table stores, for each operation mode, an operation item corresponding to each breakpoint number, and a table associated with the table. In order to graphically display each operation item to be displayed as an operation item, the operation item is configured with an operation item graphic table in which each operation item is associated with a graphic number. The operation item history storage table is searched through the operation item selection means according to the point number, the operation item is extracted, and the graphic display of the operation item is output to the display device from the graphic number corresponding to the operation item. Things. According to this means, the latest history operation item is stored in the operation item history storage table, and the corresponding history operation item is graphically displayed on the display device. As a result, the history operation items expected in the future can be impressively presented to the operator and clearly presented, so that the operator can perform an accurate and prompt treatment.

According to a fourth aspect of the present invention, in the driving support apparatus according to the first aspect, the operation item history storage table stores, for each operation mode, an operation item corresponding to each breakpoint number, and a table associated with the table. In order to graphically display each operation item to be displayed, each operation item is configured to correspond to an operation item graphic table including a graphic number and a zoom number, and the display processing means makes a determination based on the plant information. The operation item history storage table is searched through the operation item selection means according to the operation mode and the break point number to extract the operation item, and a zoom-up graphic display of the operation item is obtained from the graphic number and zoom number corresponding to the operation item. Is output to a display device. According to this means, the latest history operation item is stored in the operation item history storage table, the corresponding history operation item is graphically displayed on the display device, and the corresponding operation item is enlarged and displayed. As a result, the history operation items expected in the future can be presented to the operator in an easy-to-understand manner, so that the operator can perform an accurate and prompt treatment.

According to a fifth aspect of the present invention, in the driving support apparatus according to the first aspect, the operation items of the current operation are sequentially taken from the operation item history storage table for each breakpoint,
An operation item comparison unit that sequentially fetches history operation items from the operation item history storage table and compares each operation item. If there is a difference in the order or time difference between the operation items compared by the operation item comparison unit, An abnormality information output means for outputting information to an output device is provided. According to this means, the history operation item of the stage for each breakpoint and the actual operation item are compared, and the difference in the order of the operation items and the difference in the operation time is regarded as abnormal information and presented to the operator. As a result, an accurate response can be quickly and accurately taken from the difference in the operation items.

According to a sixth aspect of the present invention, there is provided the driving support apparatus according to the first aspect, wherein the operator is provided with operation means for specifying an operation item and operating an operation terminal corresponding to the operation item as necessary. . According to this means, necessary operations can be performed from the operation item display screen.
A prompt action can be taken and operation delay can be eliminated.

[0019]

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

FIG. 1 shows an example of the configuration of a plant operation support device applied to a thermal power plant according to a first embodiment of the present invention.

The driving support device 100A includes an input processing unit 1
, Display processing means 2A, operation item selection means 3, logic chart selection means 5, and logic chart display table 6
, Display device 7, touch screen 8, touch operation input processing means 9, operation item history storage means 10, and operation item history storage table 11A.

Here, the input processing means 1 performs a plant input processing or a touch information input processing, and provides the information to the display processing means 2A. The display processing unit 2A determines a breakpoint and an operation mode from the state of the plant, notifies the operation item selection unit 3, and displays the operation item display data from the operation item selection unit 3 as in FIG. The display processing means 2 displays the logic chart display data from the logic chart selection means 5 as shown in FIG.

When the operator selects an operation terminal name for confirmation on the touch screen 8 during display, the operator gives the coordinate data to the touch operation input processing means 9. The touch operation input processing means 9 converts the coordinate data into data for internal processing and supplies the data to the input processing means 1.

The operation item history storage table 11 stores operation items of the history operated at each stage of each breakpoint as operation item history data. The operation item history storage unit 10 stores, as operation item history data, operation items after completion of each stage of a breakpoint determined by the plant information obtained by the input processing unit 1A. The operation item selection means 3 is for retrieving and extracting from the operation item history storage table 11 the history operation items of the breakpoint stages after the breakpoint stage currently being automated.

The logic chart selection means 5 obtains from the display processing means 2A the operation end selected by touch input from the logic chart display table 6 storing the logic chart display information of the operation end, and displays the corresponding logic chart. Select and provide data to the display processing means 2. The display processing means 2A allows the operator to grasp the operation status of the operation end by displaying the progress operation end state in a different color based on the operation item list data.

FIG. 2 is a flowchart showing the processing of the display processing means 2A.

First, when there is a display request, a program is executed. First, a flag for determining display information is obtained from the display processing means 2A, and it is determined whether the flag is to display an operation item or a logic chart. You.

At this time, when the operation item display is selected, data from the operation item history storage table 11A is extracted, the data is received by the display processing means 2A, and displayed on the display device 7 (S3 to S5). ).

In this case, the operation item history storage table 1
In 1A, as shown in FIG. 3, the operation items for the breakpoints 1, 2,... For each of the operation modes A, B, C are updated and stored. For example, in the operation mode (boiler cold, turbine vacuum break, etc.), the operation end A, the operation end H,... The display processing unit 2 </ b> A determines the break point in which the automation is in progress and the driving mode, and notifies the operation item selecting unit 3. Thus, the operation item selection means 3 selects the operation item of the breakpoint stage after the current breakpoint stage from the operation item history storage table 11A shown in FIG.
Sent to A.

Then, the operation item history storage means 10 fetches the plant information from the input processing means 1, judges the breakpoint and the operation mode, and overwrites the contents of the corresponding table every time the breakpoint stage ends. Accordingly, the contents of the operation item history storage table 11A are based on the current automated operation, and accurate history operation items can be provided to the operator.

On the other hand, when the logic chart display is selected, the target operation end is extracted from the logic chart display table 6 based on the coordinate information obtained by the touch input. The extracted logic chart information of the operation end is transmitted to the logic chart selection means 11, and is received and processed by the display processing means 2A based on the information (S6, S7, S
8).

As described above, according to the first embodiment, after the completion of the breakpoint stage in which the automation is in progress, the operation items of that stage are updated and stored in the operation item history storage table as history data. Then, history operation items of breakpoints after the stage of the breakpoint currently in progress are displayed on the display device. Thereby, the latest history operation item is stored in the operation item history storage table. Therefore, the history operation items displayed and predicted on the display device are accurate, and it is possible to appropriately cope with a situation such as a stop during the automatic operation, and to eliminate the operation delay.

FIG. 4 is a block diagram of a plant operation support apparatus according to a second embodiment of the present invention. In FIG. 4, the same reference numerals as those in FIG. 1 showing the first embodiment denote the same or corresponding parts. 4 differs from FIG. 1 mainly in that the configuration of the operation item history storage table 11A is different from that of the display processing unit 2A, and that the operation item history storage table 11B and the display processing unit 2B are different.
That is what we did.

The plant operation support apparatus 100B includes an input processing means 1, a display processing means 2B, an operation item selection means 3, a logic chart selection means 5, a logic chart display table 6, a display device 7, a touch screen 8, and a touch operation input. It comprises processing means 9, operation item history storage means 10, and operation item history storage table 11B.

Here, the input processing means 1 performs input processing of a plant or input processing of touch information, and provides the information to the display processing means 2. The display processing means 2B determines a break point and an operation shape from the plant state,
The operation item selection means 3 is notified and the operation item (graph) display data from the operation item selection means 3 is displayed. Also, the logic chart display data from the logic chart selection means 5 is displayed.

When the operator selects an operation terminal name for confirmation on the touch screen 8 during display, the operator gives the coordinate data to the touch operation input processing means 9 as coordinate data. The touch operation input processing means 9 converts the coordinate data into data for internal processing and provides the data to the input processing means 1.

The operation item selecting means 3 is for retrieving and extracting from the operation item history storage table 11B the history operation items of the breakpoint stages after the breakpoint stage currently being automated. The operation item history storage table 11B stores the operation items of the history operated in each stage of each break point as operation item history data. The operation item history storage unit 10 stores, as operation item history data, operation items after completion of each stage of a breakpoint determined by the plant information obtained by the input processing unit 1.

The logic chart selecting means 5 obtains, from the display processing means 2B, the operation terminal selected by touch input from the logic chart display table 6 storing the logic chart display information of the operation terminal, and displays the corresponding logic chart. Select and provide data to the display processing means 2.

With the above configuration, when there is a display request, a flag for determining display information is first obtained from the display processing means 2B, as shown in FIG. Determine whether to display.
When the operation item display is selected, data from the operation item history storage table 11B is extracted, and the data is processed by the display processing means 2B and displayed by the display device 7.

On the other hand, when the logic chart display is selected, the target operation terminal is extracted from the logic chart display table 6 based on the coordinate information obtained by the touch input.
The extracted logic chart information of the operation end is transmitted to the logic chart selection means 5, and is processed by the display processing means 2B based on the information.

In this case, the operation item history storage table 1
In FIG. 1B, as shown in FIG. 5, breakpoints, operation times, and operation states for the operation terminals A, B, and C are updated and stored for each of the operation modes A, B, and C. For example, in the operation mode (boiler cold, turbine vacuum break, etc.), the break point 1 for the operation end A is ON for one second is stored. The display processing unit 2 </ b> B sequentially determines the breakpoint in which the automation is in progress and the operation mode, and notifies the operation item selection unit 3. The operation item selection means 3 selects an operation terminal item, a breakpoint, an operation time, and an operation state in the operation mode from the operation item history storage table 11B shown in FIG. 5, and sends the selected operation item to the display processing means 2B.

Then, the operation item history storage means 10 fetches the plant information from the input processing means 1, judges the break point and the operation mode, and every time the break point stage is completed, the corresponding table shown in FIG. Overwrite contents. As a result, an operation item display example G3 shown in FIG.
As a result, the operation terminals A, B, and C corresponding to the breakpoints are displayed on the display device 7 in a time-series display graph. Accordingly, the contents of the operation item history storage table 11B are based on the current automated operation, and accurate history operation items can be provided to the operator.

As described above, according to the second embodiment, the latest history operation items are stored in the operation item history storage table, and the corresponding history operation items are displayed as a time-series graph on the display device. As a result, the history operation items expected in the future can be strongly impressed and presented to the operator, and the operator can perform an accurate and prompt treatment.

FIG. 7 is a block diagram of a plant operation support apparatus according to a third embodiment of the present invention. The same reference numerals as those in FIG. 1 showing the first embodiment denote the same or corresponding parts. 7 differs from FIG. 1 mainly in that the configuration of the operation item history storage table 11A and the display processing unit 2A are different, and that the operation item history storage table 11C and the display processing unit 2C are different.
That is what we did.

The plant operation support apparatus 100C includes an input processing means 1, a display processing means 2C, an operation item selection means 3, a logic chart selection means 5, a logic chart display table 6, a display device 7, a touch screen 8, and a touch operation input. It comprises processing means 9, operation item history storage means 10, and operation item history storage table 11C.

The input processing means 1 performs a plant input processing or a touch information input processing, and provides the information to the display processing means 2C. The display processing unit 2C determines a break point and an operation mode from the plant state,
The operation item selection means 3 is notified, and the operation item (graphic) display data from the operation item selection means 3 is displayed. Also, the logic chart display data from the logic chart selection means 5 is displayed.

When the operator selects an operation terminal name for confirmation, the touch screen 8 provides the touch operation input processing means 9 as coordinate data. The touch operation input processing means 9 further converts the data into data for internal processing and provides the data to the input processing means 1.

The operation item selecting means 3 stores the history operation items of the breakpoint stages subsequent to the stage of the currently in progress breakpoint in the operation item history storage table 11C.
Is extracted from the search. The operation item history storage table 11C stores past operation items operated for each stage of each breakpoint as operation item history data. The operation item history storage unit 10 updates and stores the operation items after the completion of each stage of the breakpoint determined by the plant information obtained by the input processing unit 2C as the operation item history data.

When there is a display request, the same processing as that of FIG. 2 is executed. First, a flag for judging display information is obtained from the display processing means 2C, and whether a flag for displaying operation items is obtained or not.
Determine whether to display the logic chart. When the operation item display is selected, the operation item history storage table 11
From the display processing means 2C
And is displayed by the display device 7. On the other hand, when the logic chart display is selected, the target operation terminal is extracted from the logic chart display table 6 based on the coordinate information obtained by the touch input. The extracted logic chart information of the operation end is transmitted to the logic chart selection means 11, and is received and processed by the display processing means 2C based on the information.

In this case, the operation item history storage table 1
As shown in FIG. 8, breakpoints 1, 2,... For each operation mode A, B, C are stored in table 11C1.
Operation items for-have been updated and saved. For example, in the operation mode (boiler cold, turbine vacuum break, etc.),
In the stage at the breakpoint 1, the operation terminals A, H,... Are stored.

Further, a graphic number for the operation end is stored in the table 11C2. Display processing means 2
At C, the break point and the operation mode in which the automation is in progress are determined, and the operation item selection means 3 is notified. The operation item selection means 3 is provided with an operation item history storage table 11C shown in FIG.
And the operation item and the graphic number of the operation end of the stage of the breakpoint after the stage of the current breakpoint are selected and sent to the display processing means 2.

Then, the operation item history storage means 10 fetches the plant information from the input processing means 1, judges the break point and the operation mode, and overwrites the contents of the corresponding table every time the break point stage ends. As a result, a graphic system diagram is displayed as in the operation item display example G4 displayed in FIG. 9, and the corresponding operation item is flickered. Thereby, the contents of the operation item history storage table 11C are made to be suitable for the current automated operation, and accurate history operation items are provided to the operator.

As described above, according to the third embodiment, the latest history operation item is stored in the operation item history storage table, and the corresponding history operation item is graphically displayed on the display device. As a result, the history operation items that are expected in the future can be clearly presented as impressive to the operator, and the operator can accurately and
In addition, prompt treatment can be performed.

FIG. 10 is a block diagram of a plant operation supporting apparatus according to a fourth embodiment of the present invention. The same reference numerals as those in FIG. 1 showing the first embodiment denote the same or corresponding parts. 4 differs from FIG. 1 mainly in that the configuration of the operation item history storage table 11A is different from that of the display processing unit 2A, and that the operation item history storage table 11D and the display processing unit 2 are different.
D.

The plant operation support apparatus 100D comprises an input processing means 1, a display processing means 2D, an operation item selection means 3, a logic chart selection means 5, a logic chart display table 6, a display device 7, a touch screen 8, and a touch operation input. The processing unit 9 includes an operation item history storage unit 10 and an operation item history storage table 11D.

The input processing means 1 performs input processing of a plant or input processing of touch information, and provides the information to the display processing means 2. The display processing unit 2D determines a break point and an operation state from the plant state, notifies the operation item selection unit 3, and displays the operation item (graphic) display data from the operation item selection unit 3. Also,
The logic chart display data from the logic chart selection means 5 is displayed.

When the operator selects an operation terminal name for confirmation, the touch screen 8 provides the touch operation input processing means 9 as coordinate data thereof. The touch operation input processing means 9 further converts the data into data for internal processing and provides the data to the input processing means 1.

The operation item selecting means 3 is for extracting from the operation item history storage table 11D the history operation items of breakpoints after the stage of the breakpoint currently in progress. The operation item history storage table 11D stores past operation items operated at each stage of each breakpoint as operation item history data. The operation item history storage unit 10 updates and stores the operation item after completion of each stage of the breakpoint determined by the plant information obtained by the input processing unit 1 as operation item history data.

The logic chart selection means 5 obtains the operation terminal selected by touch input from the display processing means 2 from the logic chart display table 6 storing the logic chart display information of the operation terminal, and displays the corresponding logic chart. Select and provide data to the display processing means 2D.

When a display request is issued, a program similar to that shown in FIG. 2 is executed. First, a flag for judging display information is obtained from the display processing means 2, and whether a flag is used to display an operation item is determined by a logic chart. Determine whether to display.

When the operation item display is selected, data is extracted from the operation item history storage table 11D, and the data is processed by the display processing means 2D and displayed by the display device 7. On the other hand, when the logic chart display is selected, the target operation terminal is extracted from the logic chart display table 6 based on the coordinate information obtained by the touch input.
The extracted logic chart information of the operation end is transmitted to the logic chart selection means 11, and is received and processed by the display processing means 2D based on the information.

In this case, the operation item history storage table 1
1D are stored in a table 11D1 as shown in FIG.
Operation items for-have been updated and saved. For example, in the operation mode (boiler cold, turbine vacuum break, etc.),
In the stage at the breakpoint 1, the operation terminals A, H,... Are stored.

Further, graphic numbers and zoom numbers for the operation items are stored in the table 11D2. The display processing unit 2D determines the breakpoint during which the automation is in progress and the operation mode, and notifies the operation item selection unit 3 of the breakpoint. Then, the operation item selection means 3 selects from the operation item history storage table 11D shown in FIG. 11 the operation item of the breakpoint stage after the current breakpoint stage and the graphic number and zoom number of the operation end, and the display process. It is sent to the means 2D.

Then, the operation item history storage means 10 takes in the plant information from the input processing means 1, judges the break point and the operation mode, and overwrites the contents of the corresponding table each time the break point stage ends. As a result, the corresponding operation item in the graphic system diagram is enlarged and displayed as in the operation item display example G5 displayed in FIG.
As a result, the contents of the operation item history storage table 11 are adapted to the current automated operation, and accurate history operation items are provided to the operator.

As described above, according to the fourth embodiment, the latest history operation item is stored in the operation item history storage table, the corresponding history operation item is graphically displayed on the display device, and the corresponding operation item is enlarged and displayed. You. This allows
The history operation items expected in the future can be impressively presented to the operator and presented in an easy-to-understand manner, and the operator can perform accurate and prompt treatment.

FIG. 13 is a block diagram of a plant operation supporting apparatus according to a fifth embodiment of the present invention. The same reference numerals as those in FIG. 1 showing the first embodiment denote the same or corresponding parts. 13 is different from FIG. 1 mainly in that an operation item comparison unit 12, an abnormality information output unit 13, and an output device 14 are provided.
And that was added.

The plant operation support apparatus 100E includes an input processing unit 1, a display processing unit 2E, an operation item selection unit 3, a logic chart selection unit 5, a logic chart display table 6, a display device 7, a touch screen 8, and a touch operation input. The processing unit 9 includes an operation item history storage unit 10, an operation item history storage table 11E, an operation item comparison unit 12, an abnormality information output unit 13, and an output device 14.

The input processing means 1 performs input processing of a plant or input processing of touch information, and provides the information to the display processing means 2. The display processing unit 2E determines the breakpoint and the operation mode from the plant state, and displays the operation item display data selected by the operation item selection unit 3. Also, the logic chart display data from the logic chart selection means 5 is displayed.

When the operator selects an operation terminal name for confirmation, the touch screen 8 gives the touch operation input processing means 9 as coordinate data. The touch operation input processing means 9 further converts the data into data for internal processing and provides the data to the input processing means 1. The operation item selection means 3 is for retrieving and extracting from the operation item history storage table 11E the history operation items of the breakpoint stages after the stage of the breakpoint currently being automated.

The operation item history storage table 11E stores the operation items of the history operated at each stage of each break point as operation item history data. The operation item history storage unit 10 stores, as operation item history data, operation items after completion of each stage of a breakpoint determined by the plant information obtained by the input processing unit 1.

The logic chart selection means 5 obtains from the display processing means 2E the operation end selected by touch input from the logic chart display table 6 storing the logic chart display information of the operation end, and displays the corresponding logic chart. Select and provide data to the display processing means 2E.

Next, the operation item comparison means 12 performs the processing shown in FIG. 14 and compares the operation items of each break point of the same operation mode (S11). If there is a difference in this comparison, the difference information is stored in the abnormality information output means 13 and output to the output device 14 such as a printer (S13,
S14). Then, the data of the operation item history storage table 11E is rewritten (S15).

If there is an abnormal operation of the operation end as a result of the comparison, or an abnormal time or order deviation of the operation items to be compared, the information is sent to the abnormality information output means 13. The abnormality information output unit 13 performs processing for saving / outputting abnormality information. Thereafter, the data in the operation item history storage table 11E is overwritten, and the previous state is deleted.

The operation item history storage table 11E
15, the operation items for the breakpoints 1, 2,... For each of the operation modes A, B, C are updated and stored. For example, in the operation mode (boiler cold, turbine vacuum break, etc.), the operation end A, the operation end H,...

The display processing means 2E determines the break point and the operation mode in which the automation is in progress, and notifies the operation item selection means 3. The operation item selection means 3 selects an operation item of a stage of a breakpoint subsequent to the current breakpoint stage from the operation item history storage table 11D shown in FIG.

As described above, according to the fifth embodiment, the history operation items of the stage for each breakpoint and the actual operation items are compared, and the difference in the order of the operation items and the difference in the operation time is regarded as abnormal information. Presented to the operator. As a result, an accurate response can be quickly and accurately taken from the difference in the operation items.

FIG. 16 is a block diagram of a plant operation supporting apparatus according to a sixth embodiment of the present invention. The same reference numerals as those in FIG. 1 showing the first embodiment denote the same or corresponding parts. In FIG. 16, the main difference from FIG.
That is, the operation means 15 is additionally provided.

The plant operation support apparatus 100F includes an input processing means 1, a display processing means 2F, an operation item selection means 3, a logic chart selection means 5, a logic chart display table 6, a display device 7, a touch screen 8, and a touch operation input. It comprises processing means 9, operation item history storage means 10, operation item history storage table 11F, and CRT operation means 15. The input processing means 1 performs a plant input processing or a touch information input processing, and provides the information to the display processing means 2F. Display processing means 2F
Displays the operation item display data from the operation item selection means 3. Also, the logic chart display data from the logic chart selection means 5 is displayed.

When the operator selects an operation terminal name for confirmation, the touch screen 8 gives the touch operation input processing means 9 as coordinate data. The touch operation input processing means 9 further converts the data into data for internal processing and provides the data to the input processing means 1.

The operation item selection means 3 is for retrieving and extracting from the operation item history storage table 11F the history operation items of the breakpoint stages after the breakpoint stage currently being automated. The operation item history storage table 11F stores the operation items of the history operated in each stage of each break point as operation item history data. The operation item history storage unit 10 stores, as operation item history data, operation items after completion of each stage of a breakpoint determined by the plant information obtained by the input processing unit 1.

The logic chart selecting means 5 obtains, from the display processing means 2, the operation end selected by touch input from the logic chart display table 6 storing the logic chart display information of the operation end, and displays the corresponding logic chart. Select and provide data to the display processing means 2F.

The operation item history storage table 11F
As shown in FIG. 17, the operation items for the breakpoints 1, 2,... For each of the operation modes A, B, C are updated and stored. For example, in the operation mode (boiler cold, turbine vacuum break, etc.), the operation end A, the operation end H,...

The display processing means 2F determines a break point in which the automation is in progress and the driving mode, and notifies the operation item selecting means 3. The operation item selection means 3 selects operation items of the breakpoint stages subsequent to the current breakpoint stage from the operation item history storage table 11F shown in FIG.

Then, the operation item history storage means 10 fetches the plant information from the input processing means 1, judges the break point and the operation mode, and overwrites the contents of the corresponding table every time the break point stage ends.

FIG. 18 shows the CRT operation means 15.
The operation mode is input, and the mode selection is confirmed (S21, S22). When the operation mode is selected, the operation item history storage table 11 corresponding to the operation mode
F is extracted. The extracted data is displayed on the display device 7 as an operation item screen (S23).

Next, it is confirmed whether or not all the operation ends within the same breakpoint have been operated. If the operation has not been completed, the operation item screen display is repeated. When the break point is shifted, the storage data is sent to the operation item history storage unit 10 (S25).

Next, it is determined whether or not the CRT operation is selected. If it is determined that the CRT operation is to be performed, manual intervention information for the operation terminal is output to the operation terminal (S26, S27).

As described above, by performing the CRT operation, manual intervention at the time of finding an abnormality corresponding to the current operation mode of the operation item can be easily and promptly performed.
Delays in plant operation due to abnormalities can be minimized.

As described above, according to the sixth embodiment, a necessary operation can be performed from the operation item display screen, so that a quick action can be taken and a driving delay can be eliminated.

[0090]

As described above, according to the first aspect of the present invention, after the stage of a breakpoint in which automation is in progress is completed, the operation items of that stage are updated and stored in the operation item history storage table as history data, Since the history operation items of the breakpoints after the stage of the ongoing breakpoint are displayed on the display device, the latest history operation items can be stored in the operation item history storage table and the expected history operation items displayed on the display device Will be more accurate, and will be able to properly cope with situations such as shutdown during automated driving,
The operation delay can be eliminated beforehand.

According to the second aspect of the present invention, the latest history operation item is stored in the operation item history storage table, and the corresponding history operation item is displayed as a time-series graph on the display device. The history operation item to be performed can be strongly impressed and presented to the operator, and the operator can perform an accurate and prompt treatment.

According to the third aspect of the present invention, the latest history operation item is stored in the operation item history storage table, and the corresponding history operation item is graphically displayed on the display device. Items can be impressively presented to the operator and clearly presented, and the operator can take corrective and prompt measures.

According to the fourth aspect of the present invention, the latest history operation item is stored in the operation item history storage table, and the corresponding operation item in the graphic display is enlarged and displayed on the display device. The history operation items expected in the future can be impressed to the operator and presented in an easy-to-understand manner, so that the operator can take an accurate and prompt action.

Further, according to the invention of claim 5, the history operation item of the stage for each breakpoint is compared with the actual operation item, and the difference between the operation items is presented to the operator as abnormal information. As a result, it is possible to promptly and accurately deal with the difference in the operation items.

Further, according to the invention of claim 6, since necessary operations can be performed from the operation item display screen, quick treatment can be performed and driving delay can be eliminated.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a plant operation support device according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing a process of a display processing unit in FIG. 1;

FIG. 3 is a configuration diagram showing an operation item history storage table of FIG. 1;

FIG. 4 is a configuration diagram of a plant operation support device according to a second embodiment of the present invention.

FIG. 5 is a configuration diagram illustrating an operation item history storage table of FIG. 4;

FIG. 6 is a display example of operation items displayed on the display device of FIG. 4;

FIG. 7 is a configuration diagram of a plant operation support device according to a third embodiment of the present invention.

8 is a configuration diagram illustrating an operation item history storage table of FIG. 7;

FIG. 9 is a display example of operation items displayed on the display device of FIG. 7;

FIG. 10 is a configuration diagram of a plant operation support device according to a fourth embodiment of the present invention.

11 is a configuration diagram illustrating an operation item history storage table of FIG. 10;

FIG. 12 is a display example of operation items displayed on the display device of FIG. 10;

FIG. 13 is a configuration diagram of a plant operation support device according to a fifth embodiment of the present invention.

FIG. 14 is a flowchart showing a process of an operation item comparison unit and an abnormality information output unit of FIG. 13;

FIG. 15 is a configuration diagram illustrating an operation item history storage table of FIG. 13;

FIG. 16 is a configuration diagram of a plant operation support device according to a sixth embodiment of the present invention.

FIG. 17 is a configuration diagram illustrating an operation item history storage table of FIG. 16;

FIG. 18 is a flowchart showing processing by the display processing means and the CRT operation means of FIG.

FIG. 19 is a configuration diagram showing a conventional plant operation support device.

20 is a display example of operation items displayed on the display device of FIG. 19;

FIG. 21 is a logic chart display example displayed on the display device of FIG. 19;

FIG. 22 is a configuration diagram showing an operation item display table of FIG. 19;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Input processing means 2 Display processing means 3 Operation item selection means 4 Operation item display table 5 Logic chart selection means 6 Logic chart display table 7 Display device 8 Touch screen 9 Touch operation input processing means 10 Operation item history storage means 11 Operation Item history storage table 12 Operation item comparison means 13 Error information output means 14 Output device 15 CRT operation means

Claims (6)

[Claims] In order to monitor a plant that performs automatic operation by sequentially executing each operation item, an expected operation item of each stage according to a breakpoint accompanying the progress of the plant operation is displayed on a display device. In a plant operation support device for supporting plant operation, an input processing means for inputting plant information from the plant and processing the same, and storing past operation items operated in each stage of each breakpoint as operation item history data An operation item history storage table to be updated, and operation items after completion of each stage of a breakpoint determined by the plant information obtained by the input processing means are updated and stored in the operation item history storage table as the operation item history data. The operation item history storage means and the blur after the current breakpoint stage Operation item selection means for retrieving and extracting the operation items of the history of the stage of the breakpoint from the operation item history storage table; and notifying the operation item selection means of a breakpoint determined based on plant information from the input processing means. And a display processing means for displaying, on a display device, an operation item of a stage corresponding to a breakpoint retrieved and extracted from the operation item history storage table by the operation item selection means. 2. The operation item history storage table is configured to store an operation item name, a breakpoint number, an operation state and an operation time of the operation item for each operation item for each operation mode, and the display processing means. Searches the operation item history storage table via the operation item selection means by the operation mode and the breakpoint number determined based on the plant information, and chronologically shows the operation state of each operation item according to the breakpoint number. The plant operation support device according to claim 1, wherein the display is displayed on a display device. 3. The operation item history storage table includes: a table for storing operation items corresponding to each breakpoint number for each operation mode; and an operation item history display table for graphically displaying each operation item displayed in association with this table. The display processing means comprises an operation item graphic table in which operation items and graphic numbers are associated with each other, and the display processing means performs the operation through the operation item selection means according to an operation mode and a breakpoint number determined based on plant information. 2. The plant operation support apparatus according to claim 1, wherein the operation history is extracted by searching the item history storage table, and a graphic display of the operation item is output to a display device from a graphic number corresponding to the operation item. . 4. The operation item history storage table includes: a table for storing operation items corresponding to each breakpoint number for each operation mode; and a table for graphically displaying each operation item displayed in association with this table. An operation item graphic table including an operation item, a graphic number, and a zoom number is configured to correspond to each other, and the display processing unit controls the operation item selection unit based on an operation mode and a breakpoint number determined based on plant information. And searching the operation item history storage table to extract a corresponding operation item, and outputting a zoom-up graphic display of the operation item to a display device from a graphic number and a zoom number corresponding to the operation item. The plant operation support device according to claim 1. 5. An operation item comparing means for sequentially taking in operation items at the time of this operation from the operation item history storage table for each breakpoint, sequentially taking in history operation items from the operation item history storage table, and comparing each operation item. When,
2. The apparatus according to claim 1, further comprising: abnormality information output means for outputting, as abnormality information, abnormality information to an output device when there is a difference in order or time lag between the operation items compared by the operation item comparison means. Plant operation support device. 6. The plant operation support apparatus according to claim 1, further comprising operation means for allowing an operator to specify an operation item and to operate an operation terminal corresponding to the operation item, if necessary.