JP2000046986A - Plant operation surveillance device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inform the switching timing of rotation objective components in proper form, by indicating the operation status of the rotation objective components. SOLUTION: When a specific plant component 14 is actuated by the actuation operation of an operation switch 10, the actuation start timing of the plant component 14 is recorded in a computer 16 in accordance with the signal from a process computer 12, measures operation time in turn, and indicates the component symbol D of the plant component 14 with an image on the screen of a CRT 18. In accordance with the increase of the operation time of the plant component 14, the region inside of the component symbol D is filled by color in turn.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant operation monitoring device, and more particularly to a plant operation monitoring device suitable for monitoring the operating time of a rotation target device among a plurality of plant devices and using the rotation target device sequentially while switching. It relates to a monitoring device.

[0002]

2. Description of the Related Art Conventionally, in a nuclear power plant or the like, in order to prevent a difference in life between devices performing the same function, a plurality of devices performing the same function, such as a pump and a blower, are used. Specify the rotation target device, set the appropriate operation time specific to the device as the operation time of the specified rotation target device, and after the specified rotation target device is started, if it has been operated for the set operation time, The operation of a designated rotation target device is stopped, and the operation is switched to another rotation target device. For this reason, it is necessary for the operator to switch the plant equipment while monitoring the state (operating state) of the plant equipment (rotation target equipment) to be used while rotating.

Therefore, when switching each device to be rotated, a time for switching each device to be rotated is manually calculated based on the scheduled operation time in advance.
An operator checks whether or not the operation time of each rotation target device has reached the scheduled switching time.

[0004]

In the prior art,
When switching each device to be rotated, the scheduled switching time for each device to be rotated is manually calculated based on the scheduled operation time, and the operator determines whether the operating time of each device to be rotated has reached the scheduled switching time. Since the confirmation is performed sequentially, if the operator neglected the confirmation work, there is a possibility that an appropriate switching timing may be missed due to a human error. Also, when determining the operating time of a device to be rotated, the operating time of the device to be rotated is checked by checking the start time of the device in records, etc., and the operating time of each device to be rotated is calculated manually. Difficult to get.

[0005] It is an object of the present invention to provide a plant operation monitoring device capable of displaying the operating status of a device to be rotated and appropriately notifying the switching time of the device to be rotated.

[0006]

In order to achieve the above object, the present invention measures the operation time of a rotation target device sequentially from the start, and compares the measured operation time and the rotation reference time with the rotation target device. And a plant operation monitoring device which is displayed in association with a device symbol related to the plant.

When configuring the plant operation monitoring device, after measuring the operation time, the measured operation time is displayed on the operation time display symbol in association with the device symbol related to the device to be rotated, or the measured operation time is measured. The operating time is displayed in the operating time display symbol in association with the device symbol related to the device to be rotated, and the number of operating time display symbols is changed according to the increase in the measured operating time, or the device to be rotated is displayed. In addition to displaying the device symbol related to the device symbol, a function of displaying the measured operating time by a change in the form of the device symbol can be added. When the measured operating time is displayed by changing the form of the device symbol, a function of sequentially filling the area of the device symbol according to the increase in the measured operating time can be added.

The following elements can be added when configuring each of the plant operation monitoring devices.

(1) The operation time of the rotation target device is measured in response to a start operation for the rotation target device.

(2) The operation time of the rotation target device is measured in response to the start operation of the rotation target device, and the measured operation time becomes the rotation reference time indicating the stop of the operation of the rotation target device. A display for prompting the user to stop the operation of the rotation device is executed.

According to the above-mentioned means, after the operation time from the start of the rotation target device is sequentially measured,
Since the measured operation time and rotation reference time are displayed in association with the device symbol related to the device to be rotated, the switching time of the device to be rotated can be easily and reliably grasped by checking the operation time and the rotation reference time. can do.

After the operating time of the rotation target device has been sequentially measured, the measured operation time is displayed as an operation time display symbol in association with the device symbol related to the rotation target device, or the operation time is displayed. As the number of operating time display symbols changes or the operating time is displayed due to a change in the form of the device symbol, the operating time display symbol can be checked or the operating time display symbol By confirming the number or confirming the change in the form of the device symbol, it is possible to easily and reliably grasp the switching time of the rotation target device.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall configuration diagram of an apparatus showing an embodiment of the present invention. In FIG. 1, a plant operation monitoring device includes an operation switch 10, a process computer 12, and a computer 1.
6, a CRT 18, a mouse 20, and a keyboard 22. The computer 16 includes a constant storage unit 24, a rotation reference time storage unit 26, and a device activation time storage unit 2.
8, device operation monitoring unit 30, data processing unit 32, data registration processing unit 34, data calculation processing unit 36, display control unit 38
It is provided with. And the process computer 12
Are connected to a plurality of plant devices 14.

A plurality of operation switches 10 are provided corresponding to the plurality of plant equipments 14, and an operation signal for instructing start / stop of the plant equipments 14 in response to an operation of an operator (monitoring person). Is output to the process computer 12. The process computer 12 responds to an operation signal from the operation switch 10 to
4 is started or stopped, and an operation signal indicating start / stop is output to the device operation monitoring unit 30 of the computer 16. The device operation monitoring unit 30 outputs an operation signal based on the operation of the operation switch 10 to the data registration processing unit 34 of the data processing unit 32. In response to the signal from the device operation monitoring unit 30, the data registration processing unit 34 registers the start time data indicating the start time of the plant device 14 in the device start time storage unit 28, and stops the designated plant device 14 Then, the registered data related to the start time is deleted. The data registration processing unit 34 inputs data on the rotation reference time indicating the switching time of the plant equipment 14 and data such as a constant on the parameter of the degree of change of the display symbol from the keyboard 22, and stores the data on the rotation reference time in the rotation reference time. The data is registered in the constant storage unit 24. For example, as shown in FIG. 2, the rotation reference times T1, T1, T1, and T1 are associated with the device numbers 101, 102, 103,.
Data about... Is registered.

The data processing unit 36 receives an operation signal from the mouse 20 and the keyboard 22 or a device operation monitoring unit 3
In response to a signal from 0, various processing calculations are performed, and a signal according to the calculation result is output to the display control unit 38. For example, when an operation signal for starting the designated plant equipment 14 is input from the equipment operation monitoring unit 30, the operating time from the start of the designated plant equipment 14 is sequentially measured, and the measured operating time is The rotation reference time registered in the rotation reference time storage unit 26 is compared, and the operation time and the constant storage unit 2 are compared.
4 to determine whether the measured operation time reaches the rotation reference time, the rotation preparation time, or the rotation request time, which is determined from the constant stored in Step 4. It is configured as an operating time measuring unit that outputs a signal according to the determination result to the display control unit 38.

The display control unit 38 includes a data operation processing unit 36
In response to a signal from the CRT 18 on the display screen of the CRT 18, for example, a screen showing the system configuration of the plant, the operation time corresponding to the equipment symbol of the plant equipment 14 designated as the rotation target equipment among the plant equipment 14. The rotation reference time is displayed, the operation time is indicated by the operation time display symbol, or the operation time is indicated by the operation time display symbol, and the number of operation time display symbols is increased according to the increase in the operation time. Change it,
Alternatively, it is configured as display control means for displaying the operating time by changing the form of the device symbol. C
The RT 18 is configured as display means for displaying an image relating to the system configuration of the plant. The rotation reference time registered in the rotation reference time storage unit 26 can be arbitrarily changed by an operator's operation. However, for the plant equipment 14 for which data relating to the rotation reference time is not registered in the rotation reference time storage unit 26. Means that no rotation-related processing is performed.

On the other hand, among the plurality of plant equipments 14, for example, as shown in FIG.
When 2 and 103 are designated as rotation target devices that perform the same function, the system diagram related to the pumps 101 to 103 is displayed on the screen of the CRT 18 and the pumps 101 to 103 are displayed as device symbols D. You. Further, when the pumps 101 and 102 are instructed to start, the device symbols D of the pumps 101 and 102
Are displayed in solid color, and the operation time from the start, for example, “60”, “12”, along with the rotation reference time T1 (numerical value) near the device symbol D of the pumps 101 and 102. ”Is displayed. In this case, the operator operates the pumps 101, 10
By comparing the operation time of No. 2 with the numerical value of the rotation reference time T1, it can be immediately grasped whether or not the operation times of the pumps 101 and 102 have reached the rotation reference time T1.

Next, an embodiment in which the operation time of the rotation target device is displayed by an operation time display symbol instead of a numerical value will be described with reference to a flowchart of FIG. 4 and a display example of FIG. .

When the pumps 101 to 103 are designated as the equipment to be rotated among the plant equipment 14 and the pump 102 is started after the pump 101 is started, the signals from the operation switches 10 corresponding to the pumps 101 and 102 are output. In response to this, a process for taking in the start times of the pumps 101 and 102 is executed (steps S1 and S2). After this, the designated plant equipment 14,
That is, it is determined whether or not the pumps 101 and 102 have been stopped (step S3).
The operating time X from the start of 02 is sequentially measured (step S4). The operating time X is calculated as a time indicating a difference between the current time T and the start start time Ton. In the present embodiment, the constants a1 and a2 stored in the constant storage unit 24 and the rotation reference time storage unit 2
It is determined whether or not the operation time X measured based on the rotation reference time T1 registered in No. 6 has reached the rotation preparation time, the rotation reference time, and the rotation request time.

Here, the rotation preparation time is a time a1 · T which is a standard for preparing for the rotation operation.
1 (where a1 indicates an arbitrary real number satisfying a1 <1). Further, the rotation request time is a time a2 · T1 (where a2 is a2> 1) after the rotation reference time T1 has elapsed and a sufficient time has elapsed after the operation of the rotation target device has been continued.
Denote any real number that satisfies ).
Then, when X <a1 · T1, it is determined that the operation time is before reaching the rotation preparation time, and a1 · T
When 1 ≦ X <T1, it is determined that the operating time has reached the rotation preparation time, when T1 ≦ X <a2 · T1, it is determined that the operating time has reached the rotation reference time, and when a2 · T1 ≦ X, the operating time has been reached. It is determined that the time has reached the rotation request time.

By determining the operation time, for example, the pump 1
When it is determined that the operation time of 02 has reached the rotation preparation time, the entire area of the device symbol D of the pump 102 is painted out, and the operation time display symbol S having a triangular shape is placed near the device symbol D of the pump 102. One is displayed (step S5). Pump 10
When it is determined that the first operation time has reached the rotation reference time, the entire area of the equipment symbol D of the pump 101 is painted out, and two operation time display symbols S are displayed near the equipment symbol D of the pump 101. (Step S6). When the operation time of the pump 102 reaches the rotation reference time, the pump 10
The operation time display symbol S is located near the device symbol D of FIG.
Are displayed, and when the operation time of the pump 101 reaches the rotation request time, three display symbols S are displayed near the device symbol D of the pump 101 (step S7).

When the activation of the pumps 101 and 102 is stopped due to the display of two or three display symbols S relating to the pumps 101 and 102,
The symbol S relating to the pump whose activation has been stopped is cleared, and the paint in the area of the equipment symbol D of the pump is cleared (step S8). Thereafter, the data relating to the activation time of the pump whose activation has been stopped is cleared (step S9), and the processing in this routine ends.

In the present embodiment, the display symbols S are sequentially added and displayed in the vicinity of the device symbols D of the pumps 101 and 102 to be rotated as the operation time increases. Symbol S
By confirming the number, it is possible to quickly and appropriately grasp whether or not the operation time of the rotation target device has reached the rotation reference time.

In the above embodiment, the display controller 38
Has been described in which the number of display symbols S is sequentially changed in accordance with an increase in the operation time of each rotation target device. However, as shown in FIGS. The operating time of each pump 101, 102, 103 can be displayed by the change in the form of the symbol D.

FIGS. 6 and 7 show pumps 101 and 10 respectively.
In accordance with the increase in the operation time of the pumps 2 and 103, each pump 101
This is an example in which the areas of the device symbols D to 103 are sequentially filled and displayed.

In this case, the operating pumps 101, 102
Let L be the height of the device symbol D of the device symbol D
The height L1 of the filled area from the lower end of is set as follows.

(1) When the operating time X <T1, that is, when the operating time X has not reached the rotation reference time T1, L1 = L.X / T1.

(2) Rotation reference time T1 ≦ X <
When a2 · T1, that is, when the operation time reaches the rotation reference time, L1 = L and the entire area of the device symbol D is painted out.

(3) When a2 · T1 ≦ X, that is, when the operation time reaches the rotation request time,
Assuming that L1 = L, the entire area of the device symbol D is painted, and the painted color is changed to another color and displayed.

More specifically, referring to FIG.
Indicates that the operation time X has not reached the rotation reference time T1, and indicates that the operation time is close to the rotation reference time T1. Also, the pump 102
Indicates that not much time has passed since startup.

In this embodiment, the pumps 101 to 1
The operator checks the change in the form of the device symbol D of No. 03, that is, the filled state in the region of the device symbol D, to quickly and appropriately grasp whether or not the operation time has reached the rotation reference time. be able to.

Next, a display example using a multi-window is shown in FIG.
It is explained according to.

When the operation time of each device to be rotated is displayed on the display screen of the CRT 18 with the display symbol S, images related to a plurality of system diagrams are displayed in the multi-window W1.
W2 can also be displayed. In this case, by selecting the display change area 18a on the display screen with the mouse 20, it is possible to narrow down the state of the target plant target device in the sub-window SW. For example, when it is desired to display only the operation time of the plant equipment 14 which has reached the rotation reference time, by selecting an item 18b indicating only the rotation reference time exceeded from among the display items displayed on the sub-window SW, the contents are displayed. Is reflected. At this time, the display symbol S is displayed using a symbol different from the triangular symbol, for example, a rhombic symbol. As for the display format, item 1
By selecting the display format in 8c, it is possible to select any one of a method of displaying the operating time by a symbol, a method of displaying the operating time by a numerical value, and a method of displaying the operating time by filling a device symbol. .

[0035]

As described above, according to the present invention,
The operating status of the devices to be rotated is displayed and the switching time of the devices to be rotated is notified in an appropriate form, so that the operator can quickly and reliably grasp the switching time of the devices to be rotated, and Monitoring work and detailed monitoring of plant equipment can be performed.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of an apparatus according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of a table showing a relationship between plant equipment and a rotation reference time.

FIG. 3 is a diagram illustrating a display example according to the first embodiment of the present invention.

FIG. 4 is a flowchart for explaining the operation of the device shown in FIG. 1;

FIG. 5 is a diagram illustrating a display example according to a second embodiment of the present invention.

FIG. 6 is a diagram illustrating a display example according to a third embodiment of the present invention.

FIG. 7 is a diagram illustrating a painted region of a device symbol.

FIG. 8 is a diagram for explaining a display example by a multi-window.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Operation switch 12 Process computer 14 Plant equipment 16 Calculator 18 CRT 20 Mouse 22 Keyboard 24 Constant storage part 26 Reference rotation time storage part 28 Device start time storage part 30 Device operation monitoring part 32 Data processing part 34 Data registration processing part 36 Data operation Processing unit 38 Display control unit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2F076 BA11 BE13 2G075 CA02 EA03 FB09 FC06 FD01 GA35 3E038 AA03 BA09 BB05 CA05 CA06 CC01 GA03 HA05

Claims (7)

[Claims] 1. A plant operation monitoring device which sequentially measures an operation time of a rotation target device from the time of activation, and displays the measured operation time and a rotation reference time in association with a device symbol related to the rotation target device. 2. A plant operation monitor which sequentially measures the operation time of a rotation target device from the start, and displays the measured operation time with an operation time display symbol in association with a device symbol related to the rotation target device. apparatus. 3. The operation time of the rotation target device from the start thereof is sequentially measured, and the measured operation time is displayed as an operation time display symbol in association with a device symbol related to the rotation target device, and the measured operation time is displayed. A plant operation monitoring device, wherein the number of the operation time display symbols is changed according to the increase in the operation time. 4. The operation time of the rotation target device from the start thereof is sequentially measured, a device symbol related to the rotation target device is displayed, and the measured operation time is displayed by a change in the form of the device symbol. Become a plant operation monitoring device. 5. The plant operation monitoring device according to claim 4, wherein the area of the device symbol is sequentially filled in with the increase in the measured operation time. 6. The plant operation according to claim 1, wherein the measurement of the operation time of the rotation target device is started in response to a start operation on the rotation target device. Monitoring device. 7. An operation time measurement for the rotation target device is started in response to a start operation for the rotation target device, and the measured operation time becomes a rotation reference time indicating an operation stop of the rotation target device. 6. The plant operation monitoring device according to claim 1, wherein a display for prompting a stoppage of the operation of the rotation device is executed.