JP2895269B2 - Plant monitoring system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant monitoring system for monitoring a plant using a monitor display such as a CRT.

[0002]

2. Description of the Related Art Conventionally, a plant monitoring system shown in FIG. 4 has been known as a plant monitoring system for monitoring a plant using a monitor display device such as a CRT. In this conventional plant monitoring system, the operator normally monitors the operation of the plant while watching the operation screen 3 displayed on the CRT monitor 2 connected to the plant monitoring device 1.

When an abnormality occurs in the plant, a plant abnormality signal 4 is input to the plant monitoring device 1, and when the plant monitoring device 1 receives the abnormality signal 4, the operation displayed on the CRT monitor 2 is performed. The monitoring information window screen 5 is displayed on the screen 3 to notify the operator of the type of the abnormality and the date and time of occurrence of the abnormality. Further, all the information displayed on the monitoring information window screen 5 is stored in the monitoring information file 7 in the storage device 6 connected to the plant monitoring device 1.
To be remembered.

[0004] Therefore, the operator develops a history display screen on the CRT monitor 2 and displays the information of the monitoring information file 7 here, so that all the monitoring information registered in the monitoring information file 7 can be viewed. I can do it.

[0005] In order to allow the operator to view an image of the operating state of the plant, a monitor camera 8 for imaging the operating state of the plant is installed separately from the plant monitoring device 1 on the site, and the monitor is provided. The imaging information of the camera 8 is displayed on the monitor television 9 so that the operator can view the video 10 of the operating state of the plant.

[0006]

However, in such a conventional plant monitoring system, a video signal picked up by the monitor camera 8 is not input to the plant monitoring apparatus 1 side. There was a problem that the images could not be stored, and the state of the plant when an abnormality occurred could not be sufficiently grasped.

[0007] The present invention has been made in view of such a conventional problem.
The image of the plant at that moment is displayed on the monitor display device for plant monitoring, and at the same time, it is stored in the storage device in association with the plant monitoring history information. It is an object of the present invention to provide a plant monitoring system capable of playing back an image of a plant state at the time, and enabling fine-grained plant monitoring.

[0008]

A plant monitoring system according to the present invention comprises a monitor display device, a display control device for displaying a screen required for plant operation on the monitor display device, and a monitor camera for imaging a plant operation state. A monitoring information window display control device for displaying plant monitoring information on the monitor display device as a window screen when an abnormality occurs, and displaying the monitor camera image on the monitor display device as a window screen when the abnormality occurs A video information window display control device, a plant history storage device that stores plant monitoring information at the time of occurrence of the abnormality and video information from the monitor camera as plant operation history information, and a plant stored in the plant history storage device Displaying the history information on the monitor display device, From the history display screen of the plant monitoring information displayed on the monitor display device, in which a plant history display control device for a window display by developing image information corresponding to the specified abnormality information.

[0009]

According to the plant monitoring system of the present invention, when a plant abnormality occurs, the monitoring information of the plant is displayed on the monitor display device as a window screen, and at the same time, the video information of the monitor camera related to the abnormality signal is displayed on the monitor as a window screen. Display on the device. At the same time, the monitoring information of the plant at the time of occurrence of the abnormality and the video information captured by the monitor camera are sequentially stored in the plant history storage device.

When the plant history is reproduced for investigating the cause or the like, the plant history display control device causes the plant history information stored in the plant history storage device to be displayed on the monitor display device. From the history display screen of the plant monitoring information displayed on the display device, plant image information at the time of occurrence of an abnormality is expanded and displayed on a window so that the plant state at the time of occurrence of an abnormality can be visually confirmed.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 2 shows an entire system configuration of an embodiment of the present invention. The plant monitoring device 11 includes a keyboard as a man-machine interface and a touch screen on a monitor display device described later, and a multi-window function. The monitor display device 12 has a monitor information window screen 13 and a monitor video window screen 14 in an operation screen 13 for displaying normal operation information.

Further, the plant monitoring system of this embodiment includes a storage device 16, which can store a normal plant monitoring information file 17 and a video information file 18 from a monitor camera. Also, IT
A monitor camera 19 such as V is installed at the plant site, and video information 20 of the monitor camera 19 is also input to the plant monitoring device 11 and displayed through the monitor display device 12, and is stored in the video information file 18 of the storage device 16. It is to be remembered.

Reference numeral 21 denotes a plant abnormality signal input to the plant monitoring device 11 when a plant abnormality occurs.

Next, the plant monitoring device 11 has an internal configuration as shown in FIG. That is, an operation screen display control device 23 that displays operation information 22 necessary for plant operation on the operation screen 13 of the monitor display device 12, and receives an abnormal signal 21 to monitor plant monitoring information when a plant abnormality occurs. A monitoring information window display control device 24 for displaying on the monitoring information window screen 14 of the display device 12 and a video information window display control for displaying video information of the monitor camera 19 on the video information window screen 15 of the monitor display device 12 when an abnormality occurs. A plant history storage control device 26 for storing the monitoring information of the plant at the time of occurrence of the abnormality and the video information 20 from the monitor camera 19 in the monitoring information file 17 and the video information file 18 of the storage device 16, respectively; The plant information stored in the 16 plant monitoring information files 17 The information is displayed on the history display screen 27 of the monitor display device 12 as shown in FIG. 3, and video information corresponding to the specified abnormality information is displayed from the plant monitoring information displayed on the history display screen 27. The system comprises a plant history display control device 28 which reads out from the file 18 and develops and displays it on the video information window screen.

It is assumed that each of these devices 22 to 28 is actually provided in the form of a software program executed by a CPU incorporated in the plant monitoring device 11.

Next, the operation of the plant monitoring system having the above configuration will be described.

The monitor camera 19 constantly monitors and captures an image of the plant, and inputs a video signal 20 of the monitor image to the plant monitoring device 11. Also, the operation information 22 from the plant is always
The data is input to the plant monitoring device 11.

At normal times, the plant monitoring device 1
In FIG. 1, the operation information 22 of the plant is input, and the operation screen display control device 23 controls the monitor display device 1.
2 is displayed as the operation screen 13.

The plant monitoring device 11 receives the plant abnormality signal 21 when an abnormality occurs in the plant and receives an abnormality signal 21, and the monitoring information window display control device 24 displays the signal on the monitor display device 12. The monitoring information window screen 14 is automatically expanded on the operation screen 13 being displayed, and at the same time, the video information window display control device 25 automatically expands the video window screen 15, and these window screens 14, As shown in FIG. 1, the monitor information 15 and the image showing the plant status are displayed at the time of occurrence of an abnormality. The monitoring information and the video information at the time of occurrence of the abnormality are automatically stored in the plant monitoring information file 17 and the video information file 18 of the storage device 16 by the plant history storage control device 26, respectively.
The monitoring information file 17 and the video information file 18 also automatically store the abnormal recovery date and time and the video information of the plant at the time of recovery.

Thus, even if the plant is in an unmanned operation, the monitoring information and the video information at the time of occurrence of an abnormality are automatically registered in the storage device 16 as a history storage file.

Therefore, when the operator enters the operator room in the morning, the history file in the storage device 16 is displayed on the monitor display device 12 to determine whether or not an abnormality has occurred during unmanned operation, and whether the plant has failed. The status can be checked. Then, in this case, by inputting a history display command in the plant monitoring device 11, the plant history display control device 28 reads the plant monitoring information file 17 in the storage device 16, and reads it out as shown in FIG. The history is displayed on the history display screen 27 of the display device 12. If it is necessary to check the plant status for the necessary monitoring information, touch the video number display unit 29 at the time of occurrence of an abnormality from the history display screen 27 or change the video number display unit 29 with the cursor on the keyboard. By selecting, the video information at the time of occurrence of the corresponding abnormality is expanded and displayed on the window screen.

As described above, if an abnormality occurs during plant monitoring, the plant monitoring information at that time is displayed, and video information representing the plant state is simultaneously displayed on the monitor display device so that the operator can confirm it. be able to. At the same time, the filing of monitoring information at the time of occurrence of an abnormality and the filing of video information of the plant status at the time of each occurrence of an abnormality are automatically performed in correspondence with each other. As described above, when it is necessary to check the history of the plant later, the history information screen can be displayed to check the required plant state while viewing the image.

[0024]

As described above, according to the present invention, when an abnormality occurs in a plant, the monitor information of the plant is displayed on the monitor display device as a window screen, and at the same time, the video information of the monitor camera related to the abnormal signal is displayed on the window. Displayed on the monitor display device as a screen so that the operator can confirm it. At the same time, the plant monitoring information at the time of occurrence of the abnormality and the video information captured by the monitor camera are sequentially stored in the plant history storage device to investigate the cause. When the plant history is reproduced for the purpose, the plant history information stored in the plant history storage device is displayed on the monitor display device, and from the history display screen of the plant monitoring information displayed on the monitor display device. The image information of the plant status at the time of the occurrence of an error The operator can visually check the plant status at the same time when an abnormality occurs or later when checking the history of the plant status, because the plant status can be checked visually. Monitoring of the plant condition can be performed more finely.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an internal configuration of a plant monitoring device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing the overall configuration of the embodiment.

FIG. 3 is an explanatory diagram showing a plant history display screen of the embodiment.

FIG. 4 is a block diagram of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Plant monitoring apparatus 12 ... Monitor display apparatus 13 ... Operation screen 14 ... Monitoring information window screen 15 ... Video window screen 16 ... Storage device 17 ... Plant monitoring information file 18 ... Video information file 19 ... Monitor camera 20 ... Video signal 21 ... Abnormal signal 22 ... Operation information signal 23 ... Operation screen display control device 24 ... Monitoring information window display control device 25 ... Video information window display control device 26 ... Plant history storage control device 27 ... History display screen 28 ... Plant history display control device 29 … Video number display

Continuation of the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) G01D 21/00 G06F 3/14 G05B 23/02 301

Claims (1)

(57) [Claims] 1. A monitor display device, a display control device for displaying a screen required for plant operation on the monitor display device, a monitor camera for capturing an image of a plant operation state, A monitoring information window display control device for displaying a monitor display device as a window screen, a video information window display control device for displaying an image of the monitor camera as a window screen on the monitor display device when the abnormality occurs, A plant history storage device that stores the plant monitoring information and the video information from the monitor camera as plant operation history information, and displays the plant history information stored in the plant history storage device on the monitor display device, Plant monitoring displayed on this monitor display device A plant monitoring system, comprising: a plant history display control device that expands video information corresponding to specified abnormal information from an information history display screen and displays a window.