JP2766308B2 - Plant operation guide device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention] (Industrial application field) The present invention relates to a plant operation guide device for displaying guidance on operation contents of a plant.

(Prior Art) For example, in a nuclear power plant or the like, when an abnormality occurs during operation, the operation operation is guided to the operator in order to assist the operation operation of the operator to deal with the abnormality. A plant operation guide device that operates is in practical use.

In such a plant operation guide device, a plant operation state is determined based on a process signal input from a plant, and an operation guide representing the operation content of the next operation step is displayed and output.

(Problems to be Solved by the Invention) However, in such a conventional device, the guide information presented to the operator is only information instructing the details of each driving operation, and therefore, the operator is required to: It was difficult to grasp the relationship between the plant state and the operation instruction. Further, the operator needs to obtain related information from devices other than the plant operation guide device in order to grasp the relationship between the plant state and the operation operation, which increases the burden on the operator and causes erroneous operation. There is also a risk.

An object of the present invention is to solve such a problem of the conventional apparatus and to provide a plant operation guide apparatus that allows an operator to easily determine an operation state.

[Constitution of the Invention] (Means for Solving the Problems) The present invention determines a plant operation state based on a process signal input from a plant, and displays and outputs an operation guide indicating the operation content of the next operation step. In the driving guide device, a database means storing driving guide information representing driving contents of each step of the driving operation and related information relating to the driving contents of the step, and a dialog for inputting various information interactively with the operator Means, the operation guide information and related information of the next operation step are taken out from the database means based on the plant operation status, and the operation guide contents and related information are displayed in a predetermined format, and each operation step is performed in block units. Flow chart of the block showing a correlation of a plurality of operation steps Those having a display control means for displaying the shape.

In addition, the flowchart figure identifies the block on the flowchart corresponding to the driving step in which the content of the driving guide is currently displayed in a different display form from the other blocks, and identifies and displays the operation route of the driving step. is there.

The flowchart graphic scrolls in accordance with the route of the driving step and scrolls in accordance with the scroll operation of the operator from the interactive means.

Further, when any block of the flowchart graphic is selected by the interactive means and a display request of the driving guide content is made, the driving guide content of the driving step corresponding to the selected block is displayed. is there.

(Operation) Therefore, the operator is provided with not only the guide information of the scene alone but also the series of operations and the position of the current scene in the entire operation among the operation contents of the plant. The operator can easily grasp the operation status of the plant, and can appropriately perform the operation of the plant.

Also, based on the flow chart figure, identification of the current operation step, identification of the operation path of the operation step, automatic and manual scroll display of the flow chart figure, and development display of the operation guide contents are performed. Information for grasping the details of the driving operation can be presented efficiently and in detail, and the operation of the driver can be greatly assisted.

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

FIG. 1 shows a plant operation guide device according to one embodiment of the present invention.

The plant operation guide device includes a process input unit 2 for inputting a process signal from the plant 1 and a plant 1
Database means 3 which stores the operation guide information and its related information, and operation guide selection for selecting an operation guide to be displayed based on the process signal inputted by the process input means 2 and the operation guide information and the related information read out from the database means 3. Means 4, this operation guide selecting means 4
Display control means 5 for forming display information based on the operation guide information and related information read from the database means 3 based on the contents of the operation guide selected by the user, and a display device for displaying and outputting the display information formed by the display control means 5 6. A touch screen device 7 attached to the display screen of the display device 6 for designating and inputting arbitrary coordinates in the screen, and an input device 8 for the operator to input various information, An operation coordinate signal of the touch screen device 7 is output to the display control means 5 via the input device 8.

In the process input means 2, the calculation processing means 21 performs calculation processing such as an average value, a maximum value, a change rate or a prediction operation of the process signal to calculate predetermined parameters representing the state of the plant 1. The logic processing means 22 performs a logic operation process on the process signal to form predetermined parameters representing the state of the plant 1. The parameters formed by the calculation processing means 21 and the logic processing means 22 are output to the plant state monitoring means 41 of the operation guide selection means 4.

The database means 3 includes, for each operation phase in which a plurality of related operation steps are grouped and systematically formed,
Operation guide information of the plant 1 is stored, and one operation guide information forms one unit in the database means 3 (see FIGS. 2 (a) and 2 (b)).

Each unit data is, as shown in FIG.
It is composed of a guide main data section representing the procedure itself of the driving guide, and a guide sub-data section collecting information related to the driving guide information.

The guide main data section includes introductory section data DD1, which represents the entrance of the unit data, and operation guide presentation information DD in which one or more operation operation instruction contents are arranged in the operation order.
2. Supports operation effect judgment information DD3 consisting of logical processing information for judging the next operation guide to be selected according to the parameters of plant 1 changed according to operation operation, and supports judgment based on operation effect judgment information DD3 And the next guide selection information DD4 indicating the next operation guide to be selected.

The guide sub-data section includes information SD1 indicating the name of the operation guide displayed immediately before the operation guide, information SD2 indicating the operation purpose of the operation guide, information SD3 indicating the related parameters, and information indicating the parameters required for the determination. SD4, information SD5 representing the reason that is the basis of the decision logic, information SD6 representing the decision result, information SD7 representing the relationship between the decision result and the next driving guide, and the reason for the relation between the decision result and the next driving guide. It consists of information SD8 and information SD9 representing the name of the next operation guide corresponding to each. The information SD1 is included in the introduction section data DD1,
The information SD2, SD3 is the information SD4, SD5,
SD6 is information related to the operation effect determination information DD3, and information SD7, SD8, and SD9 are information related to the next guide selection information DD4.

Further, as shown in FIG. 4, for example, the operation guide system is formed by associating the respective operation phases with each other, and each operation phase is formed by a plurality of guide units related to each other. Further, the guide unit included in one operation phase shares one or more important parameters necessary for converging a certain abnormal situation. Information on these shared parameters is registered in the guide sub-data section information SD3 and the like.

In the operation guide selection means 4, the plant state monitoring means 41 stores various parameters input from the process input means 2 and monitors whether the contents of the parameters are abnormal. When it detects that the parameter contents are abnormal,
The guide selecting means 42 is activated.

The guide selecting means 42 includes parameters stored in the plant state monitoring means 41 and operation effect determination information DD3 of the operation guide information stored in the database means 3.
And a driving guide corresponding to the driving operation to be executed next, based on the next guide selection information DD4,
The selection result is related parameter selection means 43, and
The guide information processing unit 51 and the flowchart processing unit 52 of the display control unit 5 are notified.

The related parameter selecting means 43, based on the selection result of the driving guide notified from the guide selecting means 42, information SD3
Determine the type of related parameters registered in the
The contents of the parameters are input from the plant state monitoring means 41, and the input parameters are output to the guide information processing means 51.

In the display control unit 5, the interaction processing unit 52 performs an interaction operation based on input information from the input device 8, and various operation contents include a guide information processing unit 51, a sub-data processing unit 53, The flow chart processing means 54 is notified.

The guide information processing unit 51 forms the driving guide information in a predetermined format based on the selection result of the driving guide notified from the guide selecting unit 42 and the parameter input from the related parameter selecting unit 43. The operation guide information is output to the display processing means 54. When the operation contents of the operator are notified from the interactive processing means 53, the operation guide information is updated according to the operation contents.

The flow chart processing means 52 appropriately reads the necessary operation guide unit data from the database means 3 based on the selection result of the driving guide notified from the guide selecting means 42, and selects the selected driving guide and the driving guides before and after the selected driving guide. Is formed, and the flowchart information is output to the display processing means 54. Further, when the operation contents of the operator are notified from the interactive processing means 53, the flowchart information is updated according to the operation contents.

The display device 6 displays a plant operation guide screen as shown in FIG.

In the plant operation guide screen, the title display section TL at the top displays the name of the operation phase to which the currently selected operation guide belongs, the name of the operation guide, the date, and the time.

The flowchart formed by the flowchart processing means 52 is displayed on the flowchart display section FC at the upper left. Also, of the displayed contents, the currently selected driving guide is displayed in a bold frame, and the operation route followed up to that point is displayed in a bold line.

In the lower left driving guide display section GD, detailed contents of the driving guide and the state of parameters corresponding to the driving operation at that time are displayed. The display content of this portion is formed by the guide information processing means 51.

In the upper right important parameter display section IP, the contents of important common parameters set in the operation phase at that time are displayed in an appropriate format. The display contents of this part are
It is formed by the guide information processing means 51.

In the lower right auxiliary parameter display section SP, auxiliary parameters related to the operation guide at that time are displayed in an appropriate format. The display content of this portion is determined by the guide information processing means 51
Formed by

With the above configuration, when the plant state monitoring unit 41 detects that any abnormal state has occurred in the plant 1, the guide selection unit 41 is activated.

Thereby, the guide selecting means 41 determines the operation phase to be executed first from among the phases # 1 to # 3 (see FIG. 4) according to the type of the abnormality that has occurred, and determines the first operation phase of the operation phase. A guide is selected, and its name information is related parameter selecting means 43, guide information processing means 51,
Then, it notifies the flowchart processing means 52.

Thereby, the related parameter selecting unit 43 extracts the information SD3 representing the related parameter from the unit data of the operation guide of the name information notified at that time, and extracts the parameter included therein from the plant state monitoring unit 41. It is extracted and output to the guide information processing means 51. The extraction of the parameters from the plant state monitoring means 41 by the related parameter selection means 43 and the output to the guide information processing means 51 are repeated at regular time intervals.

The guide information processing means 51 extracts the unit data of the operation guide of the notified name information from the database means 3 and, based on the extracted unit data and the parameters input from the related parameter selecting means 43, the title display section TL, the guide It forms information to be displayed on the display unit GD, the important parameter display unit IP, and the auxiliary parameter display unit SP, and outputs them to the display processing unit 54.

Further, the flowchart processing means 52 extracts the unit data of the operation guide of the notified name information from the database means 3, and based on the contents of the unit data information SD1 and the information SD9, executes the operation procedure according to the operation guide. A flowchart representing the unit is formed, and the flowchart information is output to the display processing means 54.

As a result, the display processing means 54 can display the title display section TL,
The display data of the flowchart display unit FC, the guide display unit GD, the important parameter display unit IP, and the auxiliary parameter display unit SP are formed, and the display data is output to the display device 6, so that as shown in FIG. The appropriate driving guide is displayed on the display device 6.

In this way, when the operator who has confirmed the contents of the operation guide displayed on the display device 6 performs an operation according to the instruction, the process signal of the plant 1 changes, and the plant state monitoring means 41 The input parameters also change sequentially.

In the guide selecting means 42, along with such a change in the parameter, the logical judgment processing based on the operation effect judging information DD3 of the driving guide information input at that time proceeds, and all the judgment conditions are satisfied. When the condition is satisfied, the operation guide to be executed next is selected in accordance with the determined condition.

Then, based on the selection result, the name information of the next operation guide is notified to the related parameter selecting means 43, the guide information processing means 51, and the flowchart processing means 52.

Hereinafter, the same processing as described above is repeated, for example,
If the abnormal state is restored when one operation phase ends, the operation guide display processing ends.

Further, when one operation phase ends, if another abnormality has occurred, or if the state of the plant 1 has changed due to the execution of the operation phase and the aspect of the abnormality has changed, The guide selecting means 42 is activated again, and an operation phase corresponding to the generated abnormality is started.

In this way, the operation of the operator is guided and the plant 1 is operated so as to converge the abnormal state occurring in the plant 1.

Now, in the driving guide screen shown in FIG.
The TL indicates that the start operation guide unit of the HPCI (high pressure core injection system) is selected in the operation phase of the operation for securing the water level of the reactor at that time.

Also, at that time, before reaching the “HPCI activation” guide unit, the PCIS isolation trip operation according to the “PCIS (primary containment) isolation” guide unit and the reactor mode switch according to the “mode switch stop” guide unit were performed. A flowchart showing that the switching operation to the "stop" position and the selection operation of the ECCS system in accordance with the "ECCS (Emergency Core Cooling) System Isolation" guide unit has been completed,
It is displayed on the flowchart display section FC. Note that the display content of the flowchart display unit FC scrolls appropriately as the operation progresses. Further, when the operator operates the scroll keys of the input device, the display contents of the flowchart display section FC are appropriately scrolled according to the operation contents.

In the operation guide display section GD, the operation content to be performed at the bottom line is displayed, and the display of the completed operation remains in the upper part, and the operator checks the status of the operation completion be able to.

In the important parameter display section IP, the reactor water level, which is a common parameter of the operation phase at that time, is graphically displayed, and the reactor pressure and the D / W (dry well) pressure are numerically displayed. In addition, the status of other scrum, main steam isolation valve, ECCS system, etc. is displayed collectively according to the system auxiliary friction.

The auxiliary parameter display area SP contains parameters specific to the "HPCI activation" guide unit, such as HPCI circuit breaker on / off information, HPCI pump rotation speed information, HPCI injection valve fully open on / off information, and HPCI injection valve fully closed on / off information. , HPCI flow rate information, HPCI discharge pressure information, core water level change rate information, S / C
Water level information is displayed.

That is, the "HPCI activation" guide unit first instructs the HPCI pump to be manually activated. The operator performs the start operation of the HPCI pump, and when the start is completed, a message indicating that fact is displayed, and then the operation of opening the HPCI injection valve is instructed. When the operator opens the injection valve, an instruction to check the system flow is displayed.

Thereby, the operator confirms the system flow rate displayed on the auxiliary parameter display section SP, and operates and inputs the confirmation key of the input device 8.

In this way, the driving operation of the “HPCI activation” guide unit is performed.

Also, during this driving operation, when the operator touches the “HPCI activation” display area in the flowchart display section FC of the display device 6, the “HPCI activation” is displayed as shown in FIG.
A detailed operation flow in the guide unit is formed by the flowchart processing means 52, and its contents are displayed in a state of being superimposed on the display screen up to that time.

Further, from this state, when the operator touches the detailed operation flow displayed on the display device 6, for example, the display area of the “flow rate confirmation” operation step, as shown in FIG. A display such as a purpose is formed by the flowchart processing means 52, and the content is displayed in a state where the content is further superimposed.

In this way, since information related to the operation content is displayed on the driving guide screen, the operator can obtain information on the driving operation only by looking at the driving guide screen, and therefore, the driving operation can be performed. Labor is greatly reduced.

Further, the operation contents before and after the currently operated item are displayed on the flowchart display section FC, so that the operator can perform the operation work while confirming the order of the plant operation.

Further, since more detailed information can be obtained for one operation content, the operator can deepen the understanding of the operation.

By the way, in the above-described embodiment, one driving operation is guided. However, a plurality of driving operation guides are displayed in parallel, and parameters related to those operation instructions are displayed. An operation guide such as delegation to a member can also be provided.

Further, in the above-described embodiment, the touch screen device is used to specify the coordinates of the display screen of the display device. However, the touch screen device may be replaced with another similar screen instruction device. it can.

[Effects of the Invention] As described above, according to the present invention, a plant operation that determines a plant operation status based on a process signal input from a plant and displays and outputs an operation guide representing the operation content of the next operation step. In the guide device, database means storing driving guide information representing driving contents for each step of the driving operation and related information relating to the driving contents of the step, and interactive means for inputting various information interactively with the operator And extracting the operation guide information and the related information of the next operation step from the database means based on the plant operation status, displaying the operation guide contents and the related information in a predetermined format, and each operation step is a block unit. Flowchart diagram of the block showing the correlation of the operation steps of Display control means to display the information, so that the operator not only gives the guide information of only the scene in the operation operation of the plant, but also the position of the current scene in a series of operations and the whole operation Is provided, so that the operator can easily understand the operation status of the plant,
The effect is obtained that the operation operation of the plant can be appropriately performed, and the erroneous operation of the operator can be prevented.

Also, based on the flow chart figure, identification of the current operation step, identification of the operation path of the operation step, automatic and manual scroll display of the flow chart figure, and development display of the operation guide contents are performed. Information for grasping the details of the driving operation can be presented efficiently and in detail, and the effect of greatly assisting the operation of the driver can be obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a plant operation guide device according to one embodiment of the present invention, FIGS. 2 (a) and 2 (b) are schematic diagrams illustrating storage contents of database means, and FIG. 3 is operation guide information. FIG. 4 is a flowchart illustrating an operation guide system, FIG. 5 is a schematic diagram illustrating an example of an operation guide screen, FIG. 6 is a schematic view illustrating another example of an operation guide screen, FIG. 7 is a schematic diagram showing still another example of the operation guide screen. 3 ... database means, 4 ... operation guide selection means,
5 Display control means 6 Display device 7 Touch screen device 8 Input device 41 Plant state monitoring means 42 Guide selection means 43 Related parameter selection means 51 ... guide information processing means, 52 ... flowchart processing means, 53 ... dialog processing means, 54 ... display processing means.

Continuation of the front page (56) References JP-A-63-296108 (JP, A) JP-A-60-263215 (JP, A) JP-A-61-177511 (JP, A) JP-A-63-268007 (JP) , A) JP-A-62-222291 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) G05B 23/02 G06F 17/00

Claims (4)

(57) [Claims] 1. A plant operation guide device for judging a plant operation status based on a process signal input from a plant and displaying and outputting an operation guide representing the operation content of the next operation step, comprising: Database means for storing operation guide information indicating the contents and related information relating to the operation contents of the step, interactive means for interactively inputting various information with the operator, and the next operation step based on the plant operation status The flowchart of the block, wherein the operation guide information and related information are extracted from the database means, the content of the operation guide and the related information are displayed in a predetermined format, and each operation step is expressed in a block unit to represent a correlation between a plurality of operation steps. That display control means for displaying a figure is provided. Plant operation guide device for the butterflies. 2. The flowchart graphic displays a block on the flowchart corresponding to the driving step in which the content of the driving guide is currently displayed in a different display form from other blocks, and also displays an operation route of the driving step in an identification display. The plant operation guide device according to claim 1, wherein 3. The plant operation guide device according to claim 1, wherein the flowchart figure scrolls according to a route of an operation step and scrolls according to a scroll operation of an operator from the interactive means. 4. When any of the blocks in the flowchart is selected by the interactive means and a display request of the operation guide content is made, the operation guide content of the operation step corresponding to the selected block is displayed. The plant operation guide device according to claim 1, wherein: