JP3361978B2 - Plant monitoring and control equipment - 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 control apparatus in which a plurality of operators commonly monitor a large-sized display device for all operators and assist in consensus building regarding plant monitoring.

[0002]

2. Description of the Related Art FIG. 7 is a diagram showing each display device in a plant monitoring control device including a conventional large-scale shared display device disclosed in, for example, Japanese Patent Publication No. 6-93172. In the figure, 100 is a large-scale 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 CRs of the individual display device 200, respectively.
T is shown. Reference numerals 31, 32, and 33 are windows in the large-sized shared display device 100, and each of the individual display devices 20
The contents displayed are exactly the same as those displayed on the 0 CRTs 3a, 3b, 3c.

Next, the operation will be described. In the display device of this plant monitoring control device, depending on the operating state of the plant,
The display contents of the large-sized shared display device 100 and each individual display device 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 operating state. However, since the display content is substantially determined by the operating state of the plant, there is a problem that the display content of the large-sized shared display device 100 cannot be flexibly changed.

Further, another conventional device, Japanese Patent Laid-Open No. 6-33.
The device disclosed in Japanese Patent No. 2412 has means for freely setting the contents to be displayed on each display device by using an interactive device. However, this also manages the display destination code, the display content, and the display form in a table, and changes the display content of each display device by an interactive setting means, and the setting operation is complicated and not intuitive. was there. Furthermore, when there are a plurality of operators, if the contents of the large-scale shared display device are changed without the agreement of all the operators, there is a problem that the plant monitoring operation may be hindered.

[0005]

Since the display device of the conventional plant monitoring control device is configured as described above,
There were problems such as not being able to freely change the display contents of the large shared display device or individual display device, and the change operation was complicated and not intuitive

The present invention has been made in order to solve the above problems, and the contents of the large-sized shared display device and the individual display device can be freely changed while forming an agreement among the operators and is intuitive. The display of the plant monitoring and control device that can be operated is switched.

[0007]

A plant monitoring control apparatus according to the present invention includes an individual display device for displaying a plant operating state monitored by a plurality of operators and a large-scale shared display device that can be viewed by all operators. A large screen icon indicating a large shared display device and a screen icon indicating a type of screen that can be displayed on the large shared display device are displayed on the individual display device. By providing a means for switching the display content of the large-sized shared display device to the screen designated by the screen icon by superimposing it on the screen icon.

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

Further, in the above structure, when the large shared display device changes the display content of the large shared display device by any one of the operators, the large shared display device can be used as an individual display device monitored by another operator. It has a screen switching approval means for notifying the change of the display content and for changing the display content when all the operators approve the change.

Further, the large shared display device has an authority setting means for giving a specific operator among the operators who monitor each individual display device the authority to change the display contents of the large shared display device. is there.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. Embodiment 1 of the present invention will be described below 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 is a display means for displaying the screen data 13 on the large display 1. Reference numeral 14 is a shared screen display management means for managing the contents displayed on the large display 1. Reference numeral 30a is an individual display device, and 3a is a CRT connected to the individual display device 30a.

FIG. 2 shows C of the individual display device 30a when the display is switched to the large display 1.
The contents displayed on the RT3a are shown in the figure. In FIG. 2, reference numeral 33a indicates a screen that can be displayed on the large-sized shared display device 1a by displaying an icon. 32
Reference numeral a denotes a screen selection window in which screen icons 33a are displayed in a list, and the operator selects an icon from the screen selection window. 31
a is a large screen icon that means the large shared display device 1a.

Next, the operation will be described based on the flowchart of FIG. The shared screen display management means 14 uses the large screen icon 3
1a of the individual display device 30a directly operated by the operator C
Display on RT3a (step 1). The operator selects the screen icon 33a of the screen to be displayed on the large-scale shared display device 1a from the screen selection window 32a, drags it with the pointing device, and superimposes it on the large screen icon 31a. The shared screen display management means 14 uses the large screen icon 3
It is judged whether or not what overlaps 1a is the screen icon 33a (step 2), and a screen display switching process is performed (step 3). The screen display switching process is performed by displaying the ID of the screen specified by the screen icon 33a on the display unit 1
The display means 12 retrieves 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 only needs to specify the screen icon 33a. You just need to do some simple operations.

Embodiment 2. 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 has been described. However, in the second embodiment, as shown in FIG. 4, the normal window 34a itself is displayed. By dragging and dropping the icon on the large screen icon 31a, the window displayed on the CRT 3a of the individual display device 30a is displayed on the large display 1 as a window. The configuration of the device is the same as in FIG.

Next, the operation will be described based on the flowchart of FIG. The operator drags the window 34a on the CRT 3a of the individual display device 30a to display the large screen icon 31a.
Then, 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, which has been 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. 5, the large shared display device is displayed. 1a is provided with the screen switching approval means 15, and when a certain operator tries 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 “not allowed”. Is displayed so that you can select. Each operator selects either "approval" or "not possible", and when all the operators select "approval", the large shared display device 1a is switched. By obtaining the approval of each operator in this way,
A consensus is formed between each operator in plant monitoring.

Embodiment 4. It should be noted that in the third embodiment, the large-sized shared display device 1a is processed by the screen switching approval means 15.
Although the case where the screen switching is performed under the agreement of each operator has been described, in the fourth embodiment, as shown in FIG. 6, the large-scale shared display device 1a is provided with the authority setting means 16. As a result, each operator has the shared screen display management means 1
On the other hand, on the other hand, the setting window of "approve" all the operations of a specific operator is displayed on each CRT 3a, so that the authority can be concentrated on the specific operator.
Accordingly, one operator is not required for each CRT, so that plant monitoring operation can be efficiently performed even when the number of operators is small.

[0018]

As described above, according to the present invention, the screen data is prepared in advance for the large-sized shared display device, the large screen icon is displayed on each individual display device by the shared screen display management means, and the large screen icon is displayed there. The operability is improved by configuring the screen of the large-sized shared display device to be switched 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 consensus formation between the operators and monitor in an optimum state.

[Brief description of drawings]

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

FIG. 2 is a diagram showing a display example of the first embodiment.

FIG. 3 is a flowchart showing the operation of Embodiments 1 and 2 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 configuration diagram showing a plant monitoring control device according to a third embodiment of the present invention.

FIG. 6 is a block configuration diagram showing a plant monitoring control device according to a fourth embodiment of the present invention.

FIG. 7 is a display example of a conventional plant monitoring 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.

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Claims (4)

(57) [Claims] 1. A plant monitoring control device comprising an individual display device for displaying a plant operation state monitored by a plurality of operators and a large shared display device that can be viewed by all operators. Display a large screen icon that means a large shared display device and a screen icon that means the type of screen that can be displayed on the large shared display device,
A plant monitoring control apparatus comprising 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 large screen icon. 2. A plant monitoring control device comprising 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. A large screen icon that means a large shared display device and a window that can be displayed on the large shared display device are displayed, and by overlapping the above window with the large screen icon, an individual display device can be displayed on the large shared display device. A plant supervisory control device comprising means for displaying the displayed window. 3. The large shared display device, when any operator changes the displayed content of the large shared display device, changes the display content of the large shared display device to an individual display device monitored by another operator. 3. The plant monitoring control apparatus according to claim 1 or 2, further comprising screen switching approval means for notifying the operator of the change and changing the display content when all the operators approve the change. 4. The large-scale shared display device has an authority setting means for enabling an operator who monitors each individual display device to give a specific operator authority to change the display content of the large-scale shared display device. The plant monitoring control apparatus according to claim 1 or 2, further comprising: