JPH0922278A - Monitoring and control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a sub-picture easily visible and to easily change over pictures, also in the case of overlapping windows. SOLUTION: When a display control device receives multiple picture information including multiple sub-pictures at the generation part 44 and displays the information onto three screen 1-3 through a changeover part 47 and screen display parts 41 -43 , a display control device 4 analyses an operation signal from a keyboard 5 at key analyzing pad 45 and performs changeover-control of a changeover part 47 to change over the picture display onto the screens. The keyboard 5 is provided with one-touch keys to which picture numbers and sub-picture numbers of the pictures to be displayed on each screen are arranged, or keys designating the numbers or sub-numbers and indicators in the designated state, and further, keys and indicators designating a moving direction of the screen numbers and display pictures, and the pictures displayed onto each screen are changed over by means of these selecting operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supervisory control system, and more particularly to a multi-screen display control device using a plurality of displays.

[0002]

2. Description of the Related Art In a supervisory control system for monitoring various plants and security, it is often the case that monitoring is carried out at a plurality of photographed images or even at the same place by photographed images viewed from a plurality of monitoring positions. In addition to the captured image, various images such as a system skeleton image are switched and displayed.

Therefore, the supervisory control system adopts a multi-screen display system in which a plurality of displays are prepared in the surveillance room, and various images are switched and displayed on each display screen. FIG. 8 shows a mode in which the images assigned as screen numbers 1 to 3 are switched and displayed on the screens 1 to 3 of the three projector displays.

Screen number 1 displays _three sub-images 1 ₁ to 13 on screens ₁ to ₃ , respectively, and screen number 2 displays two sub-images 2 ₁ and 2 ₂ on screens 1 and 2, The number 3 has a screen number setting for displaying _one sub-image 3 ₁ on the screen 3. Then, by switching the screen numbers 1 to 3, the respective sub-images are switched and displayed on the screens 1 to 3.

[0005]

In the conventional multi-screen display system, when a window for displaying a moving image or other window is displayed on the screen displayed by the multi-screen display, the display position of the multi-screen can be freely and easily set. Since it cannot be changed, the sub-image will be difficult to see when it overlaps with the window image.

[0006]

According to the present invention, a plurality of screen information which can have a plurality of sub-screens is switched and displayed on a plurality of displays in units of sub-screens. In a supervisory control system equipped with a multi-screen display controller capable of displaying window images in an overlapping manner, the multi-screen display controller is a one-touch key to which the screen number and sub-screen number of the screen to be displayed on each display are assigned. Means is provided, and a sub-image to be displayed on each display is pre-assigned to each key of the one-touch key means so that the image to be displayed on each display can be switched by a key selection operation.

Further, the multi-screen display control device is provided with key means for designating the number and sub-number of the display and display means for the designated state, and instead of the one-touch key, displays the display number and the number. The sub number can be specified by the key, and the image displayed on each display can be switched by the selection operation of the key means.

Further, the multi-screen display control device is provided with key means for designating the number of the display and the moving direction of the display screen and display means for the designated state, and the display image of each display is displayed by the moving key means. Allow to move between.

[0009]

FIG. 1 is a multi-screen display control device showing an embodiment of the present invention. The display control device 4 is provided with screen display units 4 ₁ to 4 ₃ for displaying images on the screens ₁ to _3, and a display screen information generation unit 4 ₄ is provided.
The screen information from is converted into an image signal and each screen 1
Get the image display to 3.

The POK key analysis unit 4 ₅ takes in a key input signal from the multi-screen operation keyboard 5 via the POK key input unit 4 ₆ and analyzes this key input. This analysis determines whether to display in any of the screen 1 to 3 screen information from the display screen information generating unit 4 _4.

The screen information switching unit 4 ₇ switches the screen information from the display screen information generating unit 4 ₄ according to the analysis result of the POK key analyzing unit 4 ₅ and gives it to the screen display units 4 ₁ to 4 ₃ .

The image stored in the screen information generating section 4 ₄ is
Each of the conventional screen numbers shown in FIG. 8 has sub-images, and the screen size of each sub-image is the height of the screens 1 to 3 in the vertical direction and the screen 1 of the screens 1 to 3 in the horizontal direction. The number of sheets is changed from one to the number of screens (here, three).

The keyboard 5 has a one-touch key 5 ₁ and a ten-key 5 ₂ as shown in FIG. One-touch key 5 _1, the screen number and a sub-screen number of the screen that you try to display on the screen 1 to 3 are assigned.

For example, if the key "1" of the one-touch key 5 ₁ is assigned as shown in FIG. 3, the POK analysis section 4 ₅ analyzes the assignment when the key "1" is operated. , The screen information switching unit 4 ₇ is issued a switching command and the screen information generating unit 4 ₄ is instructed to generate the screen information, and the sub number 1 of the screen number 1 is displayed on the screen 1 as shown in FIG. , The sub number 1 of the screen number 3 is displayed on the screen 2, and the sub number 3 of the screen number 1 is displayed on the screen 3.

[0015] The ten-key 5 ₂ is used for a digit input or the like at the time of the screen allocation. This one-touch key and ten
Instead of the keyboard 5 having keys, allocation may be performed by a pointing device or the like on a display device screen such as a CRT display.

[0016] Incidentally, the image display control by POK analyzer 4 _5, the screen allocation is not performed screen display have been made or leave the previous display image and can select screen blanking.

[0017] As described above, according to this embodiment, an image of the screen number and sub-number assigned to the one-touch keys 5 ₁ of the keyboard 5 are respectively displayed on each screen 1-3, the one-touch key selection operation The image with the same screen number is switched to and displayed on any screen by.

Thus, when a window image is overlaid on the screen or the like, if the sub-image is difficult to see in the window image, the one-touch key can be used to switch to another screen for display. . Moreover, one-touch operation with one-touch key is enough.

FIG. 4 shows another embodiment of the present invention, P
This is the key configuration of the OK keyboard 5. Portions figure differs from Figure 2, one-touch keys 5 screen number in place of ₁ and the sub-number of the key _3, 5 ₄ and the display lamp 5 _5,
The point is that 5 ₆ is provided.

Of these, the key 5 ₃ is used to specify the screen number by its operation, and the key 5 ₄ is used to change the sub-number image displayed on the screen of the screen number.

The numeric key 5 ₂ is to specify the frame number to be displayed on each screen numerically, or by specifying a CRT display or the like for displaying the window for the screen selected instead.

For example, after confirming the screen number to be displayed and the sub number of the screen, the screen number is input and displayed. At this time, regarding the screen number and the sub number, the numbers at which the corresponding lamps 5 ₅ and 5 ₆ are lit indicate the current state.

It should be noted that all the displays are given priority to the rear, and the screen designated later is displayed on the screen that was previously displayed. Therefore, when three horizontal screens are multi-screen displayed, displaying one screen data makes it possible to interleave.

For example, screen number 1 having the sub-image shown in FIG.
In displaying ~ 3, the key 5 _{3 on} the keyboard of FIG.
With screen number "1", key 5 ₄ with sub number "1",
When you select a screen number "1" in the numeric key 5. _2, 5
As shown in (a) of FIG.
~ 3 "is displayed on screens 1-3.

In this display state, the screen number "2",
When the sub number "1" and the screen number "3" are selected, FIG.
As shown in (b) of FIG. 3, the sub-image of screen number 3 (single screen) is displayed on the screen 2. The switching control of these displays is performed by the POK key analysis unit 4 ₅ .

According to the present embodiment, instead of the one-touch key assignment, the keys 5 ₃ , 5 ₄ can be directly assigned and changed, so that the one-touch key assignment need not be remembered.

FIG. 6 shows another embodiment of the present invention, P
This is the key configuration of the OK keyboard 5. 2 and FIG. 4 are different from each other in that the sub-key 5 ₄ and its lamp 5 ₆
Instead of the screen movement direction key 5 ₇ and its lamp 5 ₈
Is provided, and a movement command key 5 ₉ is further provided. The one-touch key 5 ₁ and the ten-key 5 ₂ may be provided to specify the screen number.

The moving direction lamp 5 ₈ and the key 5 ₇ set the screen moving direction (horizontal moving direction) and deletion (OFF) of the image displayed on the screen, and after this setting, operate the move command key 5 ₉ . By doing so, the image is moved and displayed (switched display) or erased in the direction according to the setting. In this movement, the screen that has been displayed until the previous time is displayed on the screen of the movement source.

For example, as shown in FIG. 7, a screen 1
It is assumed that the screens A, B, and C are displayed on the screens 1 to 3 (a), and the screens D, E, and F are switched and displayed on the screens 1 to 3 (b). After that, when the screen D of the screen 1 is moved to the right, the screen D is displayed on the screen 2 as shown in (c).
Is displayed, and the screen A before switching is displayed on the screen 1. Similarly, when the screen D of the screen 2 is moved leftward from the state of (c), the screen D is displayed on the screen 1 and the original screen E is displayed on the screen 2 as shown in (d). It These movement control is also performed by the control of the POK key analyzer 4 _5.

According to the present embodiment, the moving operation can be directly performed on the screen on the screen, and the intuitive operation can be performed.

In each of the above embodiments,
Although a case where a projector display is used as the display means is shown, the present invention can be applied to a configuration using another display means such as a CRT display. Further, each key and lamp can be other key means and display means such as a display on a CRT display.

[0032]

As described above, according to the present invention, the multi-screen display control device has a one-touch key means or a display number to which the screen number and the sub-screen number of the screen to be displayed on each display are assigned. Since a key means for designating a sub number and a display means for a designated state are provided, and further, a key means for designating a moving direction of the display screen and a display means for a designated state are provided, by a key selection operation, The image displayed on each display can be arbitrarily switched, and when the window image is overlaid and displayed, the display can be switched to another display to eliminate the difficulty of viewing. Moreover, the switching operation is a simple operation because the operation of selecting the key is sufficient.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a display control device showing an embodiment of the present invention.

FIG. 2 is a configuration example of a keyboard in the embodiment.

FIG. 3 shows an example of screen allocation and image display by the keyboard of FIG.

FIG. 4 is a configuration example of another keyboard according to the embodiment.

5 is a screen switching display example in FIG. 4.

FIG. 6 is another keyboard configuration example according to the embodiment.

7 is an example of a screen switching display in FIG.

FIG. 8 is a conventional multi-screen display mode diagram.

[Explanation of symbols]

1, 2, 3 ... Screen 4 ... Screen display control device 4 ₁ , 4 ₂ , 4 ₃ ... Screen display unit 4 ₄ ... Display screen information unit 4 ₅ ... POK key analysis unit 4 ₆ ... Keyboard 4 ₇ ... Switching unit 5 ₁ … One-touch key 5 ₂ … Numeric keypad 5 ₃ 5 ₄ 5 ₇ … Key 5 ₅ 5 ₆ 5 ₈ … Lamp

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Internal reference number FI Technical display location G06F 3/14 350 G06F 3/14 350A G09G 5/14 9377-5H G09G 5/14 C

Claims (3)

[Claims] 1. A multi-screen capable of displaying a plurality of screen information, which can have a plurality of sub-screens, on a plurality of displays in units of sub-screens and displaying a window image on the sub-screens in a superimposed manner on each display. In the supervisory control system including a display control device, the multi-screen display control device is provided with a one-touch key means for allocating the screen number and sub-screen number of a screen to be displayed on each display. A monitor control system characterized in that a screen number and a sub-image displayed on the display are switched by selecting a key. 2. The multi-screen display control device,
2. The key means for designating the number and sub-number of the display and the display means for the designated state are provided, and the display screen on each display is switched according to the key designation of the key means. Supervisory control system. 3. The multi-screen display control device,
Key means for designating the number of the display and the moving direction of the display screen and display means for the designated state are provided, and the display screen is moved between the displays according to the key designation of the key means. Item 2. The monitoring control system according to Item 1 or 2.