JPH11161876A - Plant monitor and control equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a plant monitor and control equipment capable of optionally changing the contents of a large scale shared display device or an individual display device while forming mutual agreement among respective operators and switching a display by intuitive operation. SOLUTION: In the plant monitor and control equipment provided with individual display devices each of which displays a plant operation state monitored by each operator and a large scale shared display device allowed to be observed by all operators, a large picture icon 31a meaning the shared display device and a pictuer icon 33a meaning the sort of a picture allowed to be displayed on the shared display device are displayed on a CRT 3a of each individual display device, and when the icon 33a is superposed to the icon 31a, contents displayed on the shared display device can be switched to a picture specified by the icon 33a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant monitoring and control apparatus in which a plurality of operators monitor a large-sized display device in common by all operators, and support a consensus on plant monitoring.

[0002]

2. Description of the Related Art FIG. 7 is a view showing respective display devices in a plant monitoring and control device including a conventional large-sized shared display device disclosed in Japanese Patent Publication No. 6-93172. In the figure, reference numeral 100 denotes a large shared display device, which displays a screen for monitoring the entire plant. 200 is an individual display device for displaying local information of the plant monitored by each operator,
3a, 3b, and 3c are the CRs of the individual display device 200, respectively.
T is shown. Reference numerals 31, 32, and 33 denote windows in the large shared display device 100, each of which is an individual display device 20.
0, the display contents are exactly the same as the display contents of the CRTs 3a, 3b, 3c.

Next, the operation will be described. In the display device of this plant monitoring and control device, depending on the operation state of the plant,
The display contents of the large-sized shared display device 100 and the individual display devices 200 and the positions of the windows 31, 32, and 33 having the same display contents as the individual display device 200 are fixedly managed, and the display contents are switched according to the transition of the operation state. Since the display contents are almost determined by the operation state of the plant, there is a problem that the display contents of the large-sized shared display device 100 cannot be changed flexibly.

[0004] Another conventional apparatus is disclosed in Japanese Unexamined Patent Application Publication No. 6-33.
Japanese Patent No. 2412 has a means for freely setting contents to be displayed on each display device using an interactive device. However, this also involves managing the display destination code, the display content, and the display format in a table, and changing the display content of each display device using an interactive setting unit, which makes the setting operation complicated and intuitive. was there. Further, when there are a plurality of operators, if the contents of the large-sized shared display device are changed without the consent of all the operators, there is a problem that a problem may occur in the plant monitoring operation.

[0005]

Since the display device of the conventional plant monitoring and control device is configured as described above,
There were problems that the display contents of the large-sized shared display device and the individual display device could not be freely changed, and the operation of the change was complicated and intuitive.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and allows the contents of a large-sized shared display device and an individual display device to be freely changed while obtaining the consent of each operator, and is intuitive. It is possible to switch the display of the plant monitoring and control device that can be operated at a time.

[0007]

A plant monitoring and control apparatus according to the present invention includes an individual display device for displaying a plant operation state monitored by a plurality of operators, and a large shared display device for all the operators to view. A large-screen icon representing a large-sized shared display device and a screen icon representing a type of screen that can be displayed on the large-sized shared display device, and displaying the screen icon on the individual display device. A means for switching the display content of the large-sized shared display device to a screen designated by the screen icon by superimposing the screen icon on the screen icon is provided.

[0008] In addition, in a device provided with an individual display device for displaying a plant operation state monitored by each of a plurality of operators and a large shared display device which can be viewed by all the operators, the individual display device has a large shared display. A large screen icon representing the device and a window that can be displayed on the large shared display device are displayed, and the window is displayed on the large shared display device on the individual display device by overlapping the window with the large screen icon. A means for displaying the window.

In the above configuration, when one of the operators changes the display content of the large-sized shared display device, the large-sized shared display device is replaced with an individual display device monitored by another operator. It has a screen switching approval means for notifying the change of the display contents and changing the display contents when all the operators give the approval of the change.

Further, the large-sized shared display device has authority setting means for giving a right to change the display contents of the large-sized shared display device to a specific one of the operators who monitor the individual display devices. is there.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In FIG.
Reference numeral 1 denotes a large display connected to the large shared display device 1a. Reference numeral 12 denotes display means for displaying screen data 13 on the large display 1. Reference numeral 14 denotes a shared screen display management unit that manages contents displayed on the large display 1. 30a is an individual display device, 3a is a CRT connected to the individual display device 30a.

FIG. 2 shows the C of the individual display device 30a when the operation of switching the display to the large display 1 is performed.
The contents displayed on the RT 3a are shown in the figure. In FIG. 2, reference numeral 33a denotes a screen which can be displayed on the large-sized shared display device 1a displayed by icons. 32
a is a screen selection window displaying a list of screen icons 33a, from which the operator selects an icon. 31
“a” is a large screen icon indicating the large shared display device 1a.

Next, the operation will be described with reference to the flowchart of FIG. The shared screen display management unit 14 controls the large screen icon 3
1a of the individual display device 30a which is directly operated by the operator
Display on RT3a (step 1). The operator selects a screen icon 33a of the screen to be displayed on the large-sized shared display device 1a from the screen selection window 32a, drags it with a pointing device, and superimposes it on the large-screen icon 31a. The shared screen display management unit 14 controls the large screen icon 3
It is determined whether or not the item overlapping 1a is the screen icon 33a (step 2), and a process of switching the screen display is performed (step 3). The screen display switching process includes displaying the screen ID specified by the screen icon 33a on the display unit 1.
The display unit 12 extracts the screen data from the screen data 13 and displays the screen data on the large display 1. The screen data 13 on the large-sized shared display device 1a is prepared in advance for the large-sized display 1, and the operation of switching the display is only required to specify the screen icon 33a, and intuitive operation such as dragging and dropping to the large-screen icon 31a is performed. Only a simple operation.

Embodiment 2 FIG. In the first embodiment, the case where the display of the large-sized shared display device 1a is switched by dragging and dropping the screen icon has been described. However, in the second embodiment, as shown in FIG. Is dragged and dropped onto the large screen icon 31a, thereby displaying the window displayed on the CRT 3a of the individual display device 30a as a window on the large display 1. The configuration of the device is the same as that of FIG.

Next, the operation will be described with reference to the flowchart of FIG. The operator drags the window 34a on the CRT 3a of the individual display device 30a to change the large screen icon 31a.
The shared screen display management means 14 detects the overlap of the windows 34a (step 2) and requests the CRT 3a on the individual display device 30a to switch the display destination of the specified window. The CRT 3a on the individual display device 30a requested to switch the display destination switches the display destination to the large shared display device 1a (step 4).

Embodiment 3 In the first embodiment, the case where the display of the large shared display device 1a is switched by dragging and dropping the screen icon 33a has been described. However, in the third embodiment, as shown in FIG. 1a is provided with a screen switching approval means 15, and when a certain operator attempts to switch the screen, the operator is notified of the screen switching on the CRT 3a of the individual display device 30a, and "approved" or "impossible". Is displayed so that can be selected. Each operator selects either “approval” or “impossible”, and when all the operators select “approval”, the large shared display device 1a is switched. With the approval of each operator in this way,
A consensus is established between operators in plant monitoring.

Embodiment 4 In the third embodiment, the screen switching approval unit 15 uses the large shared display device 1a.
In the fourth embodiment, the authority setting means 16 is provided in the large shared display device 1a, as shown in FIG. Thereby, each operator can use the shared screen display management means 1
On the other hand, on the CRT 3a, a setting window in which all operations of a specific operator are set to "approve" is displayed on each CRT 3a, so that the authority can be centralized to the specific operator.
Thus, since one operator is not required for each CRT, the plant monitoring operation can be efficiently performed even when the number of operators is small.

[0018]

As described above, according to the present invention, screen data is prepared in advance for a large-sized shared display device, and a large-screen icon is displayed on each individual display device by the shared-screen display management means. The operability is improved by switching the screen of the large-sized shared display device by simply dragging and dropping the screen icon and the window.

Further, by adding the screen switching approval means and the authority setting means, it is possible to support the formation of consensus between the operators and monitor in an optimum state.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a plant monitoring control apparatus according to Embodiment 1 of the present invention.

FIG. 2 is a diagram illustrating a display example according to the first embodiment;

FIG. 3 is a flowchart showing the operation of the first and second embodiments of the present invention.

FIG. 4 is a diagram showing a display example according to the second embodiment of the present invention.

FIG. 5 is a block diagram showing a plant monitoring control apparatus according to Embodiment 3 of the present invention.

FIG. 6 is a block diagram showing a plant monitoring and control apparatus according to Embodiment 4 of the present invention.

FIG. 7 is a display example of a conventional plant monitoring and control device.

[Explanation of symbols]

1 large display, 1a large shared display device, 12
Display means, 13 screen data, 14 shared screen display management means, 3a CRT of individual display device, 30a individual display device, 31a large screen icon, 32a screen selection window, 33a screen icon, 34a window.

Claims (4)

[Claims] 1. An individual display device for displaying a plant operation state monitored by a plurality of operators, and a large-scale shared display device that can be viewed by all operators. Displaying a large screen icon representing a large shared display device and a screen icon representing a type of screen that can be displayed on the large shared display device,
A plant monitoring and control device comprising means for switching the display content of the large-sized shared display device to a screen specified by the screen icon by superimposing the screen icon on the large-screen icon. 2. An individual display device for displaying a plant operation state monitored by each of a plurality of operators, and a plant monitoring and control device having a large shared display device that can be viewed by all of the operators. A large screen icon representing a large shared display device and a window that can be displayed on the large shared display device are displayed, and the window is superimposed on the large screen icon, so that an individual display device is displayed on the large shared display device. A plant monitoring and control device comprising means for displaying a displayed window. 3. The large shared display device, wherein when one of the operators changes the display content of the large shared display device, the display content of the large shared display device is changed to an individual display device monitored by another operator. 3. The plant monitoring and control apparatus according to claim 1, further comprising a screen switching approval unit for notifying the operator and changing display contents when all operators give approval of the change. 4. The large-sized shared display device includes an authority setting unit that enables an operator who monitors each individual display device to set a right to change the display content of the large-sized shared display device to a specific operator. 3. The plant monitoring and control device according to claim 1, wherein