JPH0470511A - Display apparatus - Google Patents

Abstract

PURPOSE:To simultaneously monitor the data processed by a computer and a specific data which is necessary to be displayed at high speeds by providing a display data controlling means for matching a first display data and a second display data. CONSTITUTION:A computer 12 processes the data input from a driving device 131 of a transfer truck 132 or the like, thereby forming image data of graphic display data, display position etc. A display n=means 103 for displaying the data processed by the computer displays the present position of the truck 132 by graphics on a CRT 101. The data of the present position of the truck 132 or the like which is necessary to be displayed at high speeds in order to manually drive the driving device 131 is directly sent to a plant data display means 104 and displayed at 102 without being passed to the computer 121. The display panel 102 is a liquid crystal panel in front of the CRT 101, which overwrites the address data of the present position of the truck 132 and displays the data at high speeds. Matching of the image data displayed by the CRT 101 and display panel 102 is controlled by a display data controlling means 105.

Description

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

(Conventional technology) When performing operations that involve moving equipment to a desired position by remote control using a control panel installed in a control room, etc. (hereinafter referred to as "manual operation"), an operator must install the The device is operated using a start/stop button based on information on a display using an LED or the like that displays the address of the current location.

In recent years, with the spread of computer-generated CRTs, there has been a demand for CRTs to be used to monitor the operation of devices such as those mentioned above to graphically display the movement process. It is difficult to display information on a CRT without delaying the movement of the equipment, and the
The T display is only used as an aid in conjunction with operation from the operation panel.

Let us take as an example the case of monitoring the operation of a transport trolley.

A conventional display device that operates as described above will be explained.

FIG. 4 is a block diagram showing an example of a conventional display device and operation panel for monitoring the operation of a transfer trolley. The computer 21 is a drive device i3 for a transfer trolley 32 etc. installed in a plant 30.
Processes the data input from 1 and creates screen data such as graphic display data and display position. Monitoring board 10
is a CR that graphically displays the current position of the transport trolley.
It consists of a TI and a computer processing data display means 3 for creating data for display on the CRT 1 based on the screen data. The operation panel 12 displays a plant data display means 4 that performs processing such as analog/digital conversion on data directly input from the drive device 31 of the transfer cart 32, and address information of the current position of the transfer cart 32. LED,
It consists of a display 2 such as a meter, and an operation button 11 for starting and stopping the transfer cart 32, and is installed for each drive device.

FIG. 5(A) is a schematic diagram of the display screen of the CRTI, and FIG. 5(B) is a configuration diagram of the operation panel 12 of the transfer trolley 32. In the CRTI display screen of FIG. 5(A), the transfer trolley 32
A graphic display 41 of the current position and address information 42 of the target position are provided, and the LEDa indicator 2 provides address information of the current position of the transport cart 32.

Also, an operation button 1 for starting and stopping the transfer cart 32 is provided.
1 is placed.

When performing manual operation using the operation panel 12, the operator presses the start button 52 to start moving the transfer cart, then monitors the address information of the current position of the transfer cart 32 displayed on the display 2, and When the current position becomes equal to the current position, the transfer cart 32 is stopped by pressing the stop button 51. The current position graphic display 41 of the transfer cart 32 and address information 42 of the target position displayed on the CRTI are used auxiliary.

The reason why the address information of the current position is monitored using the LED display 2, etc. and the CRTI display is used as an auxiliary is that in order to perform manual operation, the address of the current position of the transport cart 32 must be displayed at high speed. However, the information provided by CRTl is computer-processed information.

This is because the rotation is updated at a high speed due to the processing speed and load of the computer 21 and the update cycle of the CRTl, and is displayed with a slight delay with respect to the actual movement of the device. That is,
If the stop button 51 is pressed while looking at the display on the CRTl, the stop command may be issued at a point past the actual target address, and this is to prevent such erroneous operations.

(Problem to be Solved by the Invention) By the way, when manually operating the transfer cart 32 as described above, the address information of the current position of the transfer cart 32 provided on the display 2 is monitored and operated, and the CRT l Graphical representation of the current position of the transfer trolley 32 provided in 4
1 is also used as an auxiliary monitor, but since the CRTI and display 2 are installed separately, it is difficult to monitor the CRTI and display 2 at the same time. Monitoring performance was impaired.

Furthermore, since the CRTI and the display unit 2 are installed separately, there are problems such as an increase in the installation space and an increase in the work required to design the installation location. can be displayed in the same way, but the number of display devices required is equal to the number of carts, making it even more complicated.

An object of the present invention is to solve the above problem by arranging data to be processed by a computer, such as an operation monitoring screen, and specific data, such as the current position of a transport cart, that must be displayed at high speed without delay. The objective is to provide a display device that can solve the problem.

[Structure of the Invention] (Means for Solving the Problem) In order to achieve the above object, the present invention includes a computer that inputs data from a plant and creates screen data, and a computer that periodically generates screen data from the screen data. a computer-processed data display means for creating and updating said first display data; a first display means for displaying said first display data; and a computer-processed data display means for creating and updating said first display data; a plant data display means for inputting data to create second display data; and a plant data display means for displaying the second display pig and installed in front of the first display means so that the first display means can be viewed. The present invention provides a display device comprising transparent or semi-transparent second display means, and display information control means for matching the first display data and the second display data.

(Operation) The computer transmits screen data created based on data input from the plant to the computer-processed data display means.

The screen data is processed by the computer processing data display means and displayed on the first display means.

On the other hand, specific plant data that is characterized by high-speed display is
The data is input directly from the plant to the plant data display means without going through a computer, is processed, and is displayed on the second display means.

Here, in order to maintain consistency between the display contents of the first display means and the second display means, the display information control means processes the screen data transmitted from the computer and displays the screen on the first display means. Depending on the timing of switching and the screen configuration,
Selecting data to be displayed on the second display means 1
Controls display timing and display position.

(Example) An example of the present invention will be described below with reference to FIGS. 1 and 2.

FIG. 1 is a block diagram of a display device according to an embodiment of the present invention. The computer 121 processes data input from a drive device 131 such as a transfer trolley 132 installed in the plant 130, and creates screen data such as graphic display data and display positions. The monitoring board+10 includes a CRT 101 that graphically displays the current position of the transfer trolley 132, a computer processing data display means 103 that creates display data for the CRTIO+ based on the screen data, and a transfer trolley 1.
A plant data display means 104 performs processing such as analog/digital conversion and creation of display data on data directly input from the drive device 131 of 32;
A display panel 102 located on the front of the T 101 and displaying address information of the current position of the transport cart 132, and a CRT.
It consists of a display information control means 105 for ensuring consistency between the lot and the display contents of the display panel 102. Also,
An operation button 111 is installed for each drive device to perform operations such as start/stop.

The computer 121 is connected to a drive device 131 such as a transfer cart 132.
It processes the data input from and creates screen data such as graphic display data and display position.

The computer processing data display means 103 processes the screen data to create display data for displaying the current position of the transport cart 132 in graph ink, and displays the data on the CRT 1.
01, the current position of the transport cart 132 is displayed graphically. In order to manually operate the drive device 131, data such as the current position of the transport cart 132, etc. that needs to be displayed at high speed is directly input to the plant data display means 104 without going through the computer 121, and is converted into analog/digital conversion, etc. processing is performed and displayed on the display panel 102.

The display panel 102 is.

It is a liquid crystal panel located on the front of the CRT Lot, and displays the current position display portion 143 of the transfer cart 132 on the screen of the CRT 101 shown in FIG. 2(A), as shown in FIG. 2(B).
Address information 1 of the current position of the transport cart 132 shown in
44 are superimposed and displayed at high speed. The display information control means 105 controls the consistency of the screen information displayed on the CRT 101 and the display panel 102, that is, the selection of device data to be displayed on the display panel 102 in conjunction with the screen displayed on the CRT 101; Controls display position, display section 1' timing, etc.

FIG. 3 is a flowchart showing the processing contents of the display information control means 105.

In step 201, screen data sent from the computer 121 is read, and in step 202, the screen data is processed. That is, based on the screen data, it is determined whether the display screen should be changed, whether there is data that requires high-speed display, selection of device data to be displayed, and calculation of the display position.

In step 203, if it is determined in step 201 that there has been a change in the display screen, the process moves to step 204 and requests the plant data display means 104 to erase the screen, and if there is no change in the display screen, the process ends.

If it is determined in step 205 that there is data that requires high-speed display in step 201, step 206
．． Steps 207 and 208 are performed, and if there is no data that requires high-speed display, only step 208 is performed.

In steps 206 and 207, the device data to be displayed on the plant data display means 104 and the display panel 10
Specify the display position on 2.

In step 208, the computer processing data display means 103
Then, a display request is made to the plant data display means 104.

FIGS. 2(A) and 2(B) are examples of operation monitoring operation panels for the transfer trolley 132 using this display device. CRTlo
The display screen 1 provides a graphic display 141 of the transport cart 132, address information 142 of the destination position, and the like. On the display screen of the liquid crystal display panel 102 located in front of the display screen of the CRT 101, there is a current position display portion 143 of the transfer cart 132 on the display screen of the CRTlol.
Address information 144 of the current position of the transport cart 132 is displayed at high speed superimposed on the screen. In addition, the transfer trolley 13
The operation button 111 for starting/stopping the CRTL
It is installed near the OI.

When performing manual operation using this display device, the operator presses the start button 52 to start moving the transfer cart 132, and then
The graphic display 141 of the transfer cart 132 and the address information 144 of the current position are monitored, and when the current position becomes equal to the target position, the transfer cart 132 is stopped by pressing down the button 51.

According to this embodiment, the address information of the current position of the transfer cart, which is required when manually operating the transfer cart, can be displayed at high speed without delay on the operation monitoring screen of the transfer cart, and only the display device is used. All you need to do is monitor it, and you can improve visibility, operability, and reduce installation space.

〔Effect of the invention〕

According to the present invention, in order to display data that changes at high speed, a transparent or translucent second display means is installed in front of the first display means in addition to the first display means. It is no longer necessary to provide separate equipment, and it is possible to improve visibility and operability, reduce equipment installation space, and improve design efficiency.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of a display device according to the present invention, FIGS. 2(A) and 2(B) are schematic diagrams of display screens of a CRT and a display panel of the embodiment, and FIG. 4 is a flowchart of the display information control means of one embodiment, FIG. 4 is a block diagram of a display device in conventional plant status operation monitoring, and FIG.
Figure (^) is a schematic diagram of a conventional CRT display screen, and Figure 5 (
B) is a schematic diagram of a conventional operation panel. 101-CRT, 102 display panel, 103...computer processing data display means. 104... Plant data display means, 105... Display information control means, 121... Computer. Agent Patent Attorney Noriyuki Chika Diagram (A) Diagram (B) Diagram

Claims (1)

[Claims] a computer that inputs data from the plant and creates screen data; a computer processing data display means that periodically creates and updates first display data from the screen data; and a computer that displays the first display data. 1 display means; a plant data display means for inputting data from the plant to create second display data without going through the computer and the computer-processed data display means; and displaying the second display data. and a transparent or translucent second display means installed in front of the first display means so that the first display means can be seen, and matching the first display data and the second display data. A display device comprising display information control means for controlling the display information.