JPH06289847A - Display device - Google Patents

Abstract

PURPOSE:To provide the display device which can display partial detail information on the same display device without impeding a display of entire outline information. CONSTITUTION:This display device consists of a data gathering mechanism 11, an input/output mechanism 12, a hard disk 14, a main memory 13, an MPU 15, a display memory 16, a display signal generator 17, and a display mechanism 18. A table generated on the hard disk 14 has an in-screen contents control table which controls the in-screen display area of a display element displayed on a display screen (master screen) for the entire outline information (also controls the correspondence between the master screen and a slave screen) and a display control table 38 which controls the in-screen display area of a display element displayed on a display screen (slave screen) for the partial detail information. The MPU 15 finds an area wherein the partial detailed information can be displayed without impeding the display of the entire outline information by using the tables 34 and 38.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly to a display device displaying a plurality of screens.

[0002]

BACKGROUND OF THE INVENTION The present invention relates to a display device for a control device used for the purpose of monitoring, for example. In particular, the present invention relates to a display device, such as an electric power plant or a chemical plant, which requires long-term operation monitoring and is mainly monitored by a human being passively.

In the prior art, attention has been focused on the elemental technology for computerizing the operation panel. For example, by replacing the switches and meters with graphical displays such as trend graphs and system diagrams that are appealing to human intuition, more information can be transmitted to humans in an easy-to-understand form, and the system scales up. Was made possible.

Further, in Japanese Patent Application Laid-Open No. 2-157909, a human being clarifies the operation purpose by displaying occurrence of a highly important state change (referred to as a state change of a monitored object) as judgment information for switching multiple windows. The function that became effective when the user recognized the display device and faced the display device enabled faster and more accurate operation.

Further, in the technique described in Japanese Patent Laid-Open No. 60333/1993, "System Display Method", it is disclosed that a schematic diagram and a detailed diagram are simultaneously displayed according to an instruction on the schematic diagram. However, the schematic diagram is a reduced window display. In this technique, the area where the abnormality has occurred is highlighted in the overall view, and when the highlighted area is designated, detailed information of the area is displayed. The detailed information could not be displayed without hindering the display of the already displayed outline information.

Further, in the technique described in Japanese Patent Application Laid-Open No. 4-152216, "Plant Monitoring Device", it is disclosed that the current change-time current display screen and the new display screen are reduced and displayed at the same time. According to the present invention, the corresponding screen is automatically and simultaneously reduced and displayed in response to a state change. It should be noted that the already-displayed outline information can be displayed in addition to the necessary detailed information while always transmitting the same display size and position (that is, the detailed information is displayed without hindering the display of the already-displayed outline information). There wasn't.

Further, in the technique described in Japanese Patent Laid-Open No. Sho 60-21836, "Plant Monitoring Device", it is disclosed that ordinary screen data and plant data are displayed in an overlapping manner. This technology cannot display detailed information without disturbing the display elements related to already displayed information.

[0008]

As described above, the prior art cannot display detailed information without interfering with the display elements related to already displayed information.

Further, no matter how easily the individual detailed information is displayed, it is necessary to make a judgment based on the information being confirmed, while confirming that an event of higher importance has not occurred. May have been lost. In supervisory control, it is desirable that a more important event occurs and the displayed information changes every second.

Further, in the supervisory control, it is desirable that the importance / priority of the partial detailed information is changed according to the state change, and the display is sequentially changed according to the changed priority.

In the conventional supervisory control system, it is necessary to constantly check the change in the importance of the detailed partial information that is currently being watched.

A first object of the present invention is to prevent a plurality of types of screens (for example, a first screen displaying general outline information and a second screen displaying partial detailed information) from interfering with each other. To provide the display device.

A second object of the present invention is to monitor a plurality of types of screens simultaneously by switching the screen display in conjunction with the occurrence of a state change when a more important state change occurs while simultaneously displaying a plurality of types of screens. It is an object of the present invention to provide a display device that speeds up the responsiveness of the staff and improves the accuracy of the response of the monitoring staff.

A third object of the present invention is to set information from different kinds of devices such as a sensor or ITV information for collecting data to be recorded in these recording media between recording media when having plural kinds of recording media. Another object of the present invention is to provide a display device which is managed according to the priority order described above so that screens for displaying information from a plurality of types of recording media do not block display from each other.

A fourth object of the present invention is to display a plurality of types of screens at the same time and to notify the operator of the occurrence of a more important state change so that the operability of the monitoring work can be improved. An object is to provide an improved display device.

A fifth object of the present invention is to display a plurality of screens at the same time and judge from the obtained data that a notification / alarm or the like is necessary, and to determine the display position determined by the content of the notification or the alarm or the like. It is intended to provide a display device which improves the operability of the monitoring work by displaying it on the display.

[0017]

In order to achieve the above-mentioned first object, the present invention provides a first object according to data from the outside.
In a display device for selectively displaying the second screen on the display screen of No. 2, the data reception means for receiving data from the outside and the second screen on the first screen by the received data. Screen determining means for determining whether to display, first storage means for storing first area information regarding a display area of a display element displayed on the first display screen, and the second display screen Second storage means for storing second area information relating to a display area necessary for displaying, and the first area information when the screen determination means determines to display the second display screen. A first position that determines the position of the second display screen at a position that does not hinder the display of the display element on the first display screen based on the second area information.
The display position determining means and the display means for displaying the second display screen at the determined position on the first display screen.

Further, in order to achieve the above-mentioned second object, the present invention stores the information regarding the priority order among the plurality of second display screens when there are a plurality of the second screens. In addition to the third display means, the screen determination means has a higher priority than the second display screen on which the second display screen corresponding to the received data is currently displayed, based on the information on the priority. When the second display screen of
It is decided to switch to another second display screen.

In order to achieve the third object, the present invention has different types of data storage means, and the first display screen and the second display screen are different storage means. The information corresponding to the data stored in is displayed.

Further, in order to achieve the above-mentioned fourth object, the present invention is determined according to the display content determining means for determining the content to be displayed determined by the received data, and the type of the display content. The fourth display means for storing the display position, the display content, and the determined display position,
Second display position determining means for determining the display position of the display content is provided.

Further, in order to achieve the fifth object, the present invention provides a determination result when the display means determines to switch to the other second display screen by the screen determining means. The display position determining means has an instruction receiving means for displaying and displaying an instruction as to whether to switch to the other second screen according to the determination, and the display position determining means, when receiving the instruction to switch the screen, displays the first screen. Based on the area information and the second area information, the position of the other second display screen is determined at a position that does not hinder the display of the display element on the first display screen, and the display means determines the other position. The second display screen is displayed at the determined position.

[0022]

According to the above configuration, a first display screen (for example, a screen for displaying overall general information) and a second display screen (for example, displaying partial detailed information) necessary for operations such as plant monitoring control are displayed. The second display screen can be displayed on the same display means without disturbing the display of the first display screen, and a display device dedicated to the whole information and dedicated to the detailed information is not required.

In addition, a situation occurs in which a screen corresponding to the more detailed partial detail information must be displayed while simultaneously displaying the screen displaying the overall outline information and the screen displaying the partial detailed information. When this happens, it is possible to switch the display of the partial detailed information in conjunction with the situation change, and improve the responsiveness and accuracy of the monitoring work.

Further, by displaying the information recorded in different recording media on one screen, it becomes possible to monitor and control the monitoring target such as a plant, and the information can be provided in a more understandable form.

Further, while displaying the general outline information and the partial detailed information at the same time, it is determined from the received data whether or not a notification or alarm should be issued. In the case of notification, this position and in the case of alarm this It becomes possible to display at a position determined according to the contents of the display such as the position, and the operability of the monitoring work can be improved.

Further, while displaying the summary information and the partial detailed information at the same time, the operator is informed that a more important display information event has occurred, and if the operator determines that the display needs to be changed. By changing the display, it is possible to switch the display in consideration of the operator's judgment when a plurality of important changes occur, thereby improving the operability of the monitoring work.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows the overall structure of the display device of the present invention. The display device includes a data collection mechanism 11 which is a data reception means and an instruction reception means, an input / output mechanism 12,
Hard disk 14 and main memory (first, second, third,
Fourth storage means) 13, MPU (screen determining means, first and second display position determining means, priority changing means, display content determining means) 15, display memory 16, and display signal generator 17. The display mechanism 18 is a display means. The data collection mechanism 11 collects the current value of the sense target necessary for display and converts it to the display device.
A sensor and a converter for digital values are provided inside. The data sent from the data collection mechanism 11 is
It is stored in the main memory 13 through the input / output mechanism 12 and the MPU 15. The screen information that is not affected by the input data is stored in the hard disk 14, and is loaded onto the main memory 13 by the start request data sent from the data collection mechanism 11 to bring the screen into a display state. When the data for the display state screen is sent from the data collection mechanism 11, the MP based on the data stored in the main memory 13 is used.
Predetermined calculation is performed in U15 and stored in the display memory 16 as display information. The display information stored in the display memory 16 is converted into data for the display mechanism 18 via the display signal generator 17 and displayed.

Next, the table structure in the display device related to the display will be described.

This is loaded from the hard disk 14 to the main memory 13 when the screen is displayed, and the table structure is shown in FIG. The table is a collection data management table 31 that manages the latest update data of display elements, a screen display status management table 32 that manages the display status and display priority of each screen, and the display position of the child screen on the parent screen. And a child screen display position management table 33 for managing the size and a parent screen content management table 3 for managing the in-screen coordinates / size of the display element in the parent screen and the corresponding child screen No.
4 and a child screen content management table that manages the screen content type information for each child screen No. and the address of the table indicating the child screen display content (one row of this table corresponds to one child screen, and the display element information column The address of the table 38 is stored in the table 35), an error type child screen display position management table 36 for managing the child screen display position when defining the child screen display position for each error type, and a search by the collected data table Display element data storage table 37 for managing various data for each display element and display position management table for display elements for managing display position information for each display element retrieved by the child screen content management table 35 (child screen (It is a table showing the display contents when the (detailed information screen) is displayed) 38, message No. and message content management for managing the contents It consists of Buru 39. The display element data storage table 31 includes a message N for selecting an error that is an update value and an error determination value of a display element, an error importance level of the display element, and a display error message.
have o. In the screen display state management table 32, screen Nos having a high display priority are arranged from the top of the table, and each screen N
It has a display flag corresponding to o. The arrangement order of the screen Nos is changed corresponding to the change of the display priority order.

Next, an image of the display appearing on the display mechanism 18 will be described. FIG. 4 shows the display elements associated with the screen, and FIG. 6 shows the screen displayed on the display mechanism 18. The overall outline screen 61 includes a display element 61A, a display element 61B,
It comprises a display element 61C. The elements in the overall outline screen 61 are managed by the collected data management table 31 and the screen content management table 34. The partial detail screen 62 is
It is associated with the display element 61C as a child screen of the overall outline screen 61, and the correspondence information is managed in the screen correspondence management table 35. The display screen 611 is the overall outline screen 61.
Shows only the displayed state. The partial detail screen 62, which is a child screen, searches the screen content management table, recognizes an empty area of the overall schematic screen 61, which is a parent screen, and displays the display screen 6
The display is made at a position not disturbing the display elements in the overall outline screen 61 as shown by 21.

FIG. 2 is a block diagram of an embodiment for performing cooperative display by managing the display priority of the medium corresponding data. Compared with FIG. 1, it is characterized in that a medium-corresponding data collection mechanism is provided. Data collection mechanism 21 for information medium A
The data collection mechanism 22 for the information medium B is provided with a sensor corresponding to the medium such as video and audio and a converter for the data for the display device. Other than that, if the same table configuration 31 as in the configuration of FIG. 1 is used, it is possible to display different medium information in the same display device in a coordinated manner.

Next, a specific example of the display appearing on the display mechanism 18 will be described. FIG. 5 shows a screen and a displayed state of the screen. The general information screen 51 includes a display element 51A and the like. Regarding the display elements in the summary information screen 51,
It is managed by the collected data management table 31 and the parent screen content management table 34. The detailed information screen A52 and the detailed information screen B53 are defined as child screens of the general information screen 51. Here, the detailed information screen A52 is defined as a child screen corresponding to the display element 51A, and the corresponding information is managed by the parent screen content management table 34, the child screen content management table 35, and the display element display position management table 38. There is.
When the error occurs 54 in the element A while the summary information screen is displayed, an error occurs in the display element 51A of the summary information screen 51,
The error status display element 54A is displayed. The detailed information screen A is displayed at a position that does not interfere with the general information display element 5
In No. 5, it is displayed. That is, it indicates that the detailed information screen A is displayed as a child screen of the display element 54A at a position that does not overlap with the display element of the general information screen 51. In the detailed information screen A, the items shown in the table 38 are displayed.

FIG. 7 shows a processing flow performed by the MPU 15 which displays a child screen corresponding to the occurrence of an error.
First, in step 71, data collection corresponding to display elements is performed. The data collection here means that the data sent from the data collection mechanism 11 is sent to the MPU 15 via the input / output mechanism 12.
Collected data storage table 31 converted to information that can be processed
Is to update. Next, at step 72, the input value is compared with each boundary value to check whether or not the collected data is a normal value. Specifically, the current value of the display element data storage table 31 is compared with the minor error value and the serious error value, and if the current value is equal to or more than the “minor error value” and less than the “serious error value”, a minor error occurs, If the value is greater than or equal to the "severe error value", a serious error occurs. If it is a normal value, the display of the display element is updated with the normal pattern value in step 73. If there is any error, in step 74, an error state is displayed on the corresponding display element of the parent screen like the display element 54A. Next, in step 75, the child screen number corresponding to the abnormal display element is searched by the corresponding child screen No item in the parent screen content management table 34. Next, in step 76, an empty area on the parent screen is searched by the in-screen coordinate / size information of the display element of the screen corresponding coordinate item of the display element of the parent screen content management table 34, and the child screen display position content management table is searched. Set the calculated reference point and size. Next, at step 77, the child screen is displayed above the parent screen. In this process, the display priority order between the parent screen display elements is managed by the display priority order of the corresponding child screen.

FIG. 10 shows a display processing flow in which the display has a priority of occurrence changes for the elements. Step 71
73 are the same as in FIG. 7. At step 101, a distinction is made between a serious error and a minor error. If the error is a minor error, a minor error occurrence state is displayed (for example, displayed in an intermediate color of red) on the corresponding display element of the parent screen in step 102. If it is a serious error, in step 103, a serious error occurrence state is displayed (red blink display is performed) on the corresponding display element of the parent screen. Step 75 below
The child screen is displayed at ~ 77, but here the importance of the error that occurred is retrieved from the display element data storage table,
By updating the screen display state management table, it is possible to display the child screen corresponding to the priority order of the generated error.

FIG. 9 shows a processing flow in which a message is displayed when an error occurs and the operator of the display device is prompted to switch the detailed screen. In this embodiment, the operator makes a judgment based on the switching request message, and the operator switches the display. Steps 71 to 74 are the same as in FIG. 7. Step 91
Then, the child screen No. corresponding to the abnormal display element is searched by the corresponding child screen No. item of the parent screen content management table 34. Furthermore, the child screen content management table 35 is searched for the message content. As for the search method, the child screen No. corresponding to the display element displayed on the parent screen is found from the table 34. The table 35 finds the address of the management table of the display contents for each child screen No. Specific message contents are obtained from the table 39. Next, at step 92, an empty area on the parent screen is searched by the in-screen coordinate / size information of the display element of the screen corresponding coordinate item of the display element of the parent screen content management table 34, and the child screen display position content management table is searched. Set the calculated reference point and size. Next, at step 93, a message is displayed by displaying the child screen on the parent screen.

According to this embodiment, when a lot of changes occur at one time, it is meaningful (high importance and high priority) by checking the detailed information based on the whole information.
The information can be easily selected by the operator. As a result, the load on the operator can be reduced.

FIG. 11 shows a processing flow for displaying a message having a priority of occurrence of a change with respect to a display element and urging a display device operator to switch the detailed screen. Steps 71 to 73 are the same as in FIG. 7. Step 101
10 to 103 are the same as those in FIG. Steps 91 to 93 are the same as in FIG.

FIG. 8 shows a processing flow for performing semantic classification when an error occurs in the input data. Steps 71-
73 is the same as FIG. 7. Steps 101 to 103 are the same as in FIG. In step 121, the child screen No. corresponding to the abnormal display element is searched by the corresponding child screen No. item of the parent screen content management table 34. Next, at step 122, the display position control and size of the child screen on the parent screen are obtained from the error type child screen display position management table 36, and the reference position and size of the relevant screen No portion of the child screen display position management table 33 are obtained. Set to. Next, at step 123, the child screen is displayed above the parent screen. Thereby, the child screen corresponding to the display position for each error type is displayed.

[0040]

As described above, according to the present invention,
Since it is possible to check the partial detailed information on the same display medium without disturbing the overall general information while always displaying the overall general information, the importance of the partial detailed information that can be changed sequentially with the minimum necessary display device configuration. -It becomes possible to perform supervisory control of plants, etc. with confirmation of priority.

Further, since not only the outline / partial information but also the heterogeneous medium information can be displayed on the same display medium in a coordinated manner (partial detailed information can be displayed without disturbing the overall outline information), the information can be more easily understood. Information can be provided.

Further, it is possible to notify the operator that a display information event of higher importance has occurred while simultaneously displaying the outline information and the partial detailed information, which contributes to the improvement of the operability of the monitoring work.

Further, while displaying the general outline information and the partial detailed information at the same time, it becomes possible to switch the display of the partial detailed information in association with the occurrence of the event when a display information event with a higher degree of importance occurs. It contributes to improvement of work responsiveness and accuracy.

Further, while displaying the general outline information and the partial detailed information at the same time, it becomes possible to classify the partial detailed information for each meaning such as notification and warning and to determine the display position, which is of high importance. Only information can be provided in an intuitive form, contributing to improved operability of monitoring operations.

In a long-time monitoring work, it is possible to simultaneously check the general outline information and the partial detailed information arranged by importance while reducing the number of display devices to be checked, which greatly reduces the work load.

[Brief description of drawings]

[First] FIG. 1 is a block diagram of a display device according to the present invention.

FIG. 2 is a block diagram of a display device according to the present invention that performs cooperative display of information recorded on different types of recording media.

FIG. 3 is an explanatory diagram of a table used in the present invention.

FIG. 4 is an explanatory diagram showing a display of the display device according to the present invention.

FIG. 5 is an explanatory diagram showing a display of the display device according to the present invention.

FIG. 6 is an explanatory diagram showing a display of the display device according to the present invention.

FIG. 7 is a flowchart for performing display update processing when a state change occurs.

FIG. 8 is a flowchart for automatically displaying at a position determined according to the type of error.

FIG. 9 is a flowchart for displaying a message for an operator when a situation occurs.

FIG. 10 is a flowchart for processing the display of the importance of an error and the update of the data display of the element in which an error has occurred when a state change occurs.

FIG. 11 is a flowchart for displaying a message for an operator when a situation occurs.

[Explanation of symbols]

11 ... Data collection mechanism, 12 ... Input / output mechanism, 14 ... Hard disk, 15 ... MPU, 16 ... Display memory, 17 ...
Display signal generator, 18 ... Display mechanism, 31 ... Collected data management table, 32 ... Screen display state management table, 33 ...
Screen display position management table, 34 ... Screen content management table, 35 ... Screen correspondence management table.

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] October 27, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a block diagram of a display device according to the present invention.

FIG. 2 is a block diagram of a display device according to the present invention that performs cooperative display of information recorded on different types of recording media.

FIG. 3 is an explanatory diagram of a table used in the present invention.

FIG. 4 is an explanatory diagram showing a display of the display device according to the present invention.

FIG. 5 is an explanatory diagram showing a display of the display device according to the present invention.

FIG. 6 is an explanatory diagram showing a display of the display device according to the present invention.

FIG. 7 is a flowchart for performing display update processing when a state change occurs.

FIG. 8 is a flowchart for automatically displaying at a position determined according to the type of error.

FIG. 9 is a flowchart for displaying a message for an operator when a situation occurs.

FIG. 10 is a flowchart for processing the display of the importance of an error and the update of the data display of the element in which an error has occurred when a state change occurs.

FIG. 11 is a flowchart for displaying a message for an operator when a situation occurs.

[Explanation of Codes] 11 ... Data collection mechanism, 12 ... Input / output mechanism, 14 ... Hard disk, 15 ... MPU, 16 ... Display memory, 17 ...
Display signal generator, 18 ... Display mechanism, 31 ... Collected data management table, 32 ... Screen display state management table, 33 ...
Screen display position management table, 34 ... Screen content management table, 35 ... Screen correspondence management table.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kiyoji Konaka 5-2-1, Omika-cho, Hitachi-shi, Ibaraki Hitachi Process Computer Engineering Co., Ltd. (72) Inventor Yasunori Doi 5-chome, Omika-cho, Hitachi-shi, Ibaraki No. 2-1 Hiritsu Process Computer Engineering Co., Ltd. (72) Inventor Minoru Endo 5-2-1, Omika-cho, Hitachi City, Ibaraki Prefecture Hiritsu Process Computer Engineering Co., Ltd. (72) Inventor Atsuhiko Nishikawa Hitachi City, Ibaraki Prefecture 5-2-1 Omika-cho, Ltd. Omika Factory, Hitachi Ltd.

Claims (8)

[Claims] 1. A display device for selectively displaying a second screen on a first display screen according to data from the outside, the data receiving means receiving the data from the outside, and the receiving device. Screen determining means for determining whether or not to display the second screen on the first screen based on the data, and a first region related to the display region of the display element displayed on the first display screen. First storage means for storing information, second storage means for storing second area information relating to a display area necessary for displaying the second display screen, and the second display by the screen determining means. When it is determined to display the screen, the position of the second display screen is set at a position where the display of the display element on the first display screen is not hindered by the first region information and the second region information. First display position determining means for determining , In the determined position on the first display screen, the display device characterized by having a display means for displaying the second display screen. 2. The display device according to claim 1, wherein there are a plurality of the second screens, and a third storage means for storing information regarding a priority order among the plurality of second display screens, The screen determination means is another second display screen having a higher priority than the second display screen on which the second display screen corresponding to the received data is currently displayed, based on the information on the priority. A display device characterized by deciding to switch to another second display screen at times. 3. The display device according to claim 2, wherein the received data is used to change the priority order changing means for changing the information about the priority order between the second display screens stored in the third storage means. According to the changed information regarding the priority order, the screen determination means has a higher priority order than the second display screen on which the second display screen corresponding to the received data is currently displayed. A display device, which determines to switch to another second display screen when the display device is the second display screen. 4. The display device according to claim 1, 2 or 3, comprising different types of data storage means, wherein the first display screen and the second display screen are stored in the different storage means. A display device, which displays information corresponding to the generated data. 5. The display device according to claim 1, 2 or 3, wherein the received data is data from a plurality of devices, and the first display screen and the second display screen are the plurality of devices. A display device corresponding to, and displaying information about the corresponding device. 6. The display device according to claim 1, 2, 3, 4 or 5, wherein display content determining means for determining content to be displayed determined by the received data, and display content depending on the type of display content. It has a fourth storage means for storing the determined display position, the display content, and a second display position determination means for determining the display position of the display content from the determined display position. And display device. 7. The display device according to claim 1, wherein the display means displays a determination result when the screen determination means determines to display the second display screen, and the display means displays the determination result according to the determination. The display position determining means has an instruction receiving means for receiving an instruction as to whether or not to display another second screen, and the display position determining means, when receiving an instruction to display, displays the first area information and the second area. From the information and the information, the position of the other second display screen is determined at a position that does not hinder the display of the display element on the first display screen, and the display means displays the other second display screen. A display device characterized by displaying at a determined position. 8. The display device according to claim 2, 3, 4, 5 or 6, wherein the display means is the second other means by the screen determination means.
When it is determined that the display screen is to be switched to, the determination result is displayed, and in accordance with the determination, there is an instruction receiving unit that receives an instruction as to whether to switch to the other second screen. , When receiving an instruction to switch, from the first area information and the second area information,
The position of the other second display screen is determined at a position that does not hinder the display of the display element on the first display screen, and the display means determines the position of the other second display screen at the determined position. A display device characterized by being displayed on.