JP2667554B2 - Plant monitoring equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a plant monitoring device.

(Prior Art) For example, when operating a steel or chemical plant, a fixed display method for fixedly displaying an entire plant represented by a graphic panel is widely used as a means for displaying a plant state. With the rapid development of computer technology, graphic screens utilizing CRT display screens have become mainstream.

The method of displaying using the graphic screen is a method of simplifying the plant and fitting and displaying the state quantities necessary for operation. And recently, high-resolution CRT
With the advent of display devices, attempts have been made to superimpose a video image captured by an ITV camera on a graphic display device.

(Problems to be Solved by the Invention) In such a conventional plant monitoring device,
Since the graphic screens represent various types of equipment in the plant in a simplified manner, it is necessary to increase the number of graphic screens and combine them with detailed graphic screens in order to express them in detail. Sometimes, graphic screens are switched to recognize the state of the plant before the operation is performed. As a result, it is difficult to instantly grasp the state of the entire plant, and there is a problem that erroneous operation is likely to occur.

Recently, a device for projecting an image of an ITV camera using a high-resolution CRT has been developed.In this case, only an image from the ITV camera is projected on the CRT alone, or
The operator can only superimpose the image on a certain fixed screen and project it.The operator monitors the status of the equipment being imaged by the camera while moving the monitor camera, and displays the status of the equipment from the display on the CRT. Since the data cannot be read immediately, the data must be read after the eyes are displayed on a graphic screen provided separately from the image of the monitor camera, and there is a problem that misrecognition is likely to occur.

The present invention has been made in view of such a conventional problem, and automatically determines what the various types of equipment with the plant to be imaged by the monitor camera, and displays the various types of equipment on a display device, On the screen projected by the display means, the state quantity is displayed in association with various equipments, so that the operator can directly monitor the various equipments by visual observation, and furthermore, the state quantity of the various equipments can be monitored. It is an object of the present invention to provide a plant monitoring device capable of reading out the image from the image projected on the display means without fail.

[Configuration of the Invention] (Means for Solving the Problems) A plant monitoring device according to the present invention is a plant monitoring device that projects one or a plurality of facility devices on a screen and monitors the state of the facility devices. A deployed monitor camera, a camera position detecting means for detecting an image pickup position of the monitor camera, a plant arrangement information storage means for storing arrangement information of various plant equipment, and a monitor camera of the camera position detecting means Determining means for determining the equipment device appearing in the video imaged by the monitor camera from the position signal and the arrangement information of the various equipment devices stored in the plant arrangement information storage means; A plant data collection unit for collecting plant data, and display data necessary for each equipment determined by the determination unit. A video synthesizing means for synthesizing video data taken out from the plant data collecting means and displaying it on the screen in correspondence with the position of the corresponding equipment, and a video means for displaying the video synthesized by the video synthesizing means It is.

(Operation) In the plant monitoring apparatus of the present invention, various equipment of the plant is imaged by the monitor camera, and the camera position detecting means at the time of the imaging is detected by the camera position detecting means and provided to the determining means. The arrangement information of the various equipment arrangements of the plant is stored in the plant arrangement information storage means in advance. Therefore, the determination means determines which equipment device corresponds to the image captured by the monitor camera based on the camera position information from the camera position detection means and the plant arrangement information from the plant arrangement information storage means. The determination information is given to the video synthesizing means.

The image synthesizing means synthesizes an image so as to display the status data of the various types of equipment collected by the plant data collecting means in correspondence with the position of the equipment on the corresponding image, and gives the synthesized image to the image display means. .

As a result, the image display means displays images of the various equipment of the plant in the actual arrangement state taken by the monitor camera,
The status data can be combined and displayed in accordance with the positions of the various types of equipment on the video, and the operator can visually monitor the plant status while watching the video displayed on the video display means. The grasp of the state based on the data can be performed at the same time without changing the eyes, and erroneous recognition of the plant state can be avoided.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention. An ITV camera 1 is installed at a plant site and serves as a monitor camera for capturing images of various types of equipment, and zooming, horizontal rotation, and vertical rotation of the ITV camera 1 are performed. A camera driving device 2 for performing remote driving such as rotation and elevation, and a camera driving device 2
The camera position information detection unit 3 for detecting camera position information such as the zoom amount, horizontal rotation angle, vertical rotation angle, and vertical movement amount of the camera 1 based on the drive information of A plant arrangement information storage unit 4
A determination unit 5 is provided for specifying the positions of various equipment devices on the video imaged by the camera 1 based on the information in the camera position information detection unit 3 and the plant arrangement information storage unit 4.

Further, a display position information storage unit 6 for storing display position information indicating which position of the various types of equipment on the video is to display the plant data, and a plant data collection unit for collecting status data of various types of equipment in the plant 7 and the state of the corresponding equipment collected by the plant data collection unit 7 at the position specified by the display position information storage unit 6 in correspondence with the positions of the various types of equipment on the image determined by the determination unit 5. The image processing apparatus includes a combination processing unit 8 that performs a process of combining data, and a CRT display unit 9 that displays a processing result of the combination processing unit 8.

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

The ITV camera 1 receives a camera control signal from a camera control device (not shown), and the camera driving device 2 calculates the zoom amount, the horizontal rotation, the vertical rotation, and the elevation amount to drive the ITV camera 1.

The camera position information detection unit 3 detects the amount of drive of the ITV camera 1 by the camera drive device 2, that is, the amount of zoom, the horizontal rotation angle, the vertical rotation angle, the amount of elevation, etc., and provides the result to the determination unit 5.

The plant arrangement information storage unit 4 stores arrangement information of various types of equipment of the plant in advance. Therefore, the determination unit 5 determines what the various equipment devices displayed on the image captured by the ITV camera 1 correspond to from the storage information of the plant arrangement information storage unit 4 based on the camera position information, The determination information is provided to the synthesis processing unit 8.

The display position information storage unit 6 previously stores information on which position data is to be displayed at which position corresponding to the video for each of various types of equipment. Further, the plant data collection unit 7 collects necessary state data for each type of equipment via a plant data bus.

Therefore, the synthesizing processing unit 8 responds to the determination information of various equipment devices displayed on the video imaged by the ITV camera 1 from the determination unit 5 with the information of the display position information storage unit 6 for each of the corresponding equipment devices. Based on the above, the corresponding plant data is read from the plant data collection unit 7 at a position determined for each equipment device and is synthesized, and this is given to the CRT display unit 9 as a video signal.

As a result of the series of processing, the CRT display unit 9 directly displays the image captured by the ITV camera 1 on the screen as shown in FIG. 2, and displays the image for each of the various types of equipment devices on which the image is displayed. The state data is displayed at a predetermined position so that the operator can simultaneously recognize the appearance state of the various equipment and the state data.

That is, as in the example shown in FIG.
The No. 2 tank 11 and No. 3 tank 12 are projected, and for each tank, the inflow flow rate data is placed at the position of the inflow valve, the level data is placed beside the tank, and the pressure and temperature are placed above and below the tank. They are combined and displayed.

In this way, the ITV camera 1 simultaneously displays the images of various equipment of the actual plant and the state data at appropriate positions on the images on the same screen, so that the operator can concentrate on only one screen. While monitoring and monitoring, the operating state of the plant can be grasped and an accurate operation can be performed.

In addition, in order to be able to further operate the necessary equipment on the same screen, necessary switches are displayed in the window 13 as shown in FIG. If the off operation can be performed, the probability of erroneous operation by the operator can be further reduced.

[Effects of the Invention] As described above, according to the present invention, not only the image captured by the monitor camera but also the status data of each of the various types of equipment displayed on the image correspond to the position of the device on the same screen. The operator is in the driver's cab because the position of the monitor camera is automatically detected and displayed, and the data to be displayed is changed according to the equipment to be displayed. While remotely operating the monitor camera, the various equipment of the plant is projected on the image display means to check the status visually, and the status data corresponding to each equipment can be recognized from the screen. It is possible to prevent erroneous recognition of the state data of the equipment, and to perform accurate plant monitoring.

[Brief description of the drawings]

FIG. 1 is a block diagram of one embodiment of the present invention, and FIG. 2 is a front view showing an example of an image displayed on a CRT display unit according to the above embodiment. DESCRIPTION OF SYMBOLS 1 ... ITV camera, 2 ... Camera drive device 3 ... Camera position information detection part 4 ... Plant arrangement information storage part 5 ... Judgment part 6 ... Display position information storage part 7 ... Plant data collection part 8 ... ... Synthesis processing unit, 9 ... CRT display unit

Claims (1)

(57) [Claims] 1. A plant monitoring apparatus for displaying one or a plurality of equipment devices on a screen and monitoring the state of the equipment devices, wherein a monitor camera provided in the plant and an imaging position of the monitor camera are detected. A camera position detection unit, a plant arrangement information storage unit that stores arrangement information of various types of equipment of a plant, a monitor camera position signal of the camera position detection unit,
Determining means for determining the equipment shown in the video imaged by the monitor camera from the arrangement information of the various equipment stored in the plant arrangement information storage means; and collecting plant data for each of the various equipment. And a display data necessary for each equipment device determined by the determination means is extracted from the plant data collection means and combined so as to be displayed on the screen in correspondence with the position of the corresponding equipment device. A plant monitoring apparatus comprising: a video synthesizing unit; and a video display unit for displaying a video synthesized by the video synthesizing unit.