JP6698410B2 - Supervisory control system - Google Patents

Description

  The present invention relates to a supervisory control system for performing state monitoring and operation control of facilities and equipment in plant facilities or public facilities, and particularly to a graphic display on a dedicated terminal or a Web terminal used for the supervisory control system.

In the supervisory control system, there are cases where the dedicated terminal monitors or controls, and cases where the Web terminal using the Internet monitors or controls. For example, in a place such as a central control room, monitoring is performed using a dedicated terminal, while on the other hand, another monitoring person is monitoring using a Web terminal.
Conventionally, the screen display mechanism (screen display software) is the same, but the devices (hardware) are different, and the screens are transferred between the monitor and control devices to take over the work, and the operation for system monitor and control is performed. There has been proposed a method that enables (see, for example, Patent Document 1).

JP, 10-326111, A

  In the conventional supervisory control system, the display mechanism of the graphic screen is usually different between the dedicated terminal and the Web terminal, and screen data also exists. In addition, since the operations on the dedicated terminal and the web terminal are independent, the operation state cannot be continued on the web terminal after operating on the dedicated terminal, and the same display state as the screen state displayed on the dedicated terminal is displayed. It was necessary to repeat the same operation again in order to display on the Web terminal.

  The present invention has been made in order to solve the above problems, and an object thereof is to take over respective operations or screen states between a dedicated terminal and a Web terminal having different graphic screen display mechanisms.

The monitoring control system according to the present invention,
A monitoring data management device, a dedicated terminal, and a web server, each of which is connected to the web terminal having a web browser via the Internet,
The monitoring data management device,
While having a DB that stores the displayed screen of the Web terminal, the Web browser, and the display condition of the screen of the Web terminal in association with the Web terminal,
Correspondence between the screen of the dedicated terminal and the screen of the Web terminal, and attribute information of the screen of the displayed dedicated terminal, which is operation information for displaying on the screen of the dedicated terminal, and the screen for each terminal to be displayed. A display condition for eliminating the difference in the attribute information of
The dedicated terminal is
The operation information used when operating independently of the Web terminal is saved, and if there is a display condition for the screen of the dedicated terminal, the screen of the dedicated terminal and the screen of the Web terminal are shared. the Save display conditions of the display format, and the operation information storage section,
An operation information acquisition unit that acquires attribute information of a screen displayed on the Web terminal and converts it into conditions for screen display of the dedicated terminal;
Have
The Web server is
It has a display condition temporary that temporarily stores the Web terminal ID, Web browser ID, and display condition, and
An operation information acquisition unit that acquires attribute information of a screen displayed on the dedicated terminal and converts it into a condition for screen display of the Web terminal ;
A display condition for eliminating the difference between the attribute information of the displayed screen of the web terminal and the attribute information of the screen for each terminal to be displayed, which is the operation information to be displayed on the web screen, and the display condition of the screen of the web terminal. If there is a display condition, an operation information storage unit that stores the display condition of the screen of the Web terminal in a common display format between the screen of the Web terminal and the screen of the dedicated terminal,
It is characterized by having.

According to the present invention, terminal operations are independent of each other, and a plurality of terminals having different screen display mechanisms perform an operation for screen display on one terminal and display the screen state or the past It is possible to display, on the other terminal, a display having the same content as the screen state displayed on the other terminal without performing an operation for displaying the screen on the other terminal. Further, even when a plurality of web browsers are started up, it is possible to specify which browser state is displayed and display the dedicated terminal.

It is a block diagram which shows an example of Embodiment 1 of this invention. It is the figure which represented the example of the operation information DB of Embodiment 1 of this invention by the table. It is the figure which expressed the other example of operation information DB of Embodiment 1 of this invention by the table. It is a flowchart figure which shows an example of Embodiment 1 of this invention. It is a flowchart figure which shows the other example of Embodiment 1 of this invention. It is the figure which expressed an example of the operation information DB of Embodiment 2 of this invention by the table. It is the figure which expressed the other example of operation information DB of Embodiment 2 of this invention by the table. It is a flowchart figure which shows an example of Embodiment 2 of this invention. It is a flowchart figure which shows the other example of Embodiment 2 of this invention. It is a block diagram which shows an example of Embodiment 3 of this invention. It is the figure which represented an example of the operation information DB of Embodiment 3 of this invention by the table. It is a flowchart figure which shows an example of Embodiment 3 of this invention. It is a flowchart figure which shows the other example of Embodiment 3 of this invention. It is a block diagram which shows an example of Embodiment 4 of this invention. It is the figure which represented an example of the operation information DB of Embodiment 4 of this invention by the table. It is a flowchart figure which shows an example of Embodiment 4 of this invention. It is a flowchart figure which shows the other example of Embodiment 4 of this invention. It is the figure which represented an example of the operation information DB of Embodiment 5 of this invention by the table. It is a flowchart figure which shows an example of Embodiment 5 of this invention. It is a flowchart figure which shows the other example of Embodiment 5 of this invention.

Embodiment 1.
Hereinafter, the monitoring control system according to the first embodiment of the present invention will be described with reference to the drawings.
1, the dedicated terminal 1 includes a screen display unit 11, a screen generation unit 12, a data reception unit 13, an operation information storage unit 14, screen data 15, and a display condition Temp16.
The monitoring data management device 2 includes a data distribution unit 21, an operation information acquisition unit 22, a device/device information database (hereinafter abbreviated as DB) 23, and an operation information DB 24.
The Web server 3 includes a screen distribution unit 31, a screen generation unit 32, a data reception unit 33, screen data 35, and an operation information acquisition unit 37.
The web terminal 4 includes a web browser 41.
The dedicated terminal 1, the monitoring data management device 2, and the Web server 3, which are the components of these monitoring and control systems, are connected to the Web terminal 4 via the line 5 or the like via the Internet. Here, it goes without saying that the dedicated terminal and the Web terminal described above are operated independently of each other.
In the above, the operation information means information operated on a corresponding screen, such as a dialog display by clicking a button, text input, or the like.

Here, the operation information DB 24 has the tables shown in FIGS. 2 and 3.
FIG. 2 is a table having items of a dedicated screen ID and a Web screen ID, and sets a correspondence relationship between each screen ID on the screen of the dedicated terminal and the screen of the Web terminal.
FIG. 3 is a table having items of a dedicated terminal ID, a dedicated screen ID, and a display condition. Which dedicated screen is displayed on which dedicated terminal and the display condition at that time are set. In this case, as the display condition format, a format common to the dedicated terminal and the Web terminal is determined and registered. As shown in this figure, even if the dedicated terminal IDs are different, the dedicated screen IDs may be the same (for example, Sheet001 for PC001 and PC002).
Here, the display condition is a content to be imposed on the display, such as a case where a table having date and time as an item is displayed, and a case where the date and time are designated and displayed. Although FIG. 2 and FIG. 3 are shown as separate DBs, they may be one DB.

Next, the operation will be described.
FIG. 4 is a flowchart for displaying a screen from a dedicated terminal and storing operation information such as a dialog display.
The user tries to display a screen from the screen display unit 11 of the dedicated terminal 1 (step S101). When the screen is displayed, there are cases where the screen ID is designated and displayed, and cases where not only the screen ID but also other conditions are designated and displayed. For example, when displaying a table having date and time as an item such as history, the date and time may be designated and displayed. If there is a display condition (step S102), the operation information storage unit 14 converts the display condition into a format common to the dedicated terminal and the Web terminal, and temporarily stores the display condition temporary 16 (same as the display condition Temp16). It is saved (step S103). The screen generation unit 12 generates and displays a screen based on the specified screen ID, display condition, and data received from the data reception unit 13 (step S104). The operation information storage unit 14 stores the ID of the operated dedicated terminal, the displayed dedicated screen ID, and the display condition temporarily stored in the display condition temporary 16 in the table of FIG. 3 of the operation information DB 24 of the monitoring data management device 2 ( Step S105).

FIG. 5 is a flowchart when the web browser 41 is opened from the web terminal 4 to open a screen having the same content as the screen of the dedicated terminal (hereinafter, “screen having the same content” is abbreviated as “same screen”). is there.
The user tries to display the screen by opening the web browser 41 from the web terminal 4 (step S201). When displaying the screen, when the same screen as the screen of the dedicated terminal is opened (step S202), the Web browser 41 selects which screen of the dedicated terminal to display the same screen (step S203). The operation information acquisition unit 37 of the Web server 3 issues an operation information acquisition request to the monitoring data management device 2 (step S204). The screen ID and display condition are acquired and a response is returned (step S205). The screen generation unit 32 of the Web server 3 acquires the Web screen ID corresponding to the screen ID of the acquired operation information based on the table of FIG. 2 (step S206), and displays the display conditions common to the dedicated terminal and the Web terminal. The format is converted into the display condition for the Web terminal (step S207), and the screen generation unit 32 acquires the Web screen ID, the display condition, and the device/device information data received from the data reception unit 33 when the screen is displayed. A screen is generated based on the screen, and the screen is distributed from the screen distribution unit 31 (step S208).

  As described above, according to the first embodiment, the screen displayed on the dedicated terminal and the state in which the display condition is held can be handed over to the Web terminal, the work can be seamlessly transferred, and the operability is improved. Can be made. For example, when going to the site to check the situation from the monitoring room where the dedicated terminal is installed, the operation status of the dedicated terminal can be handed over to the tablet terminal, and the work can be easily restarted at the site.

  Further, even when the search condition or the display condition is further specified after the screen is displayed, if the display condition is registered in the table of FIG. 3 as in the above description, the search condition specified on the Web terminal is displayed. Alternatively, it can be displayed under display conditions.

Embodiment 2.
In the supervisory control system of the first embodiment, the process of initially displaying the screen displayed on the dedicated terminal on the Web terminal has been described. However, in the supervisory control system of the second embodiment, the dialog (dialog displayed on the dedicated terminal is displayed. The same applies to boxes (abbreviated as dialog below) or the process of displaying the state of another window on the Web terminal will be described below with reference to the drawings.

In the supervisory control system of the second embodiment, the contents of the table shown in FIG. 6 are added to the contents of the operation information DB 24 described in the first embodiment. FIG. 6 is a table that defines the relationship between the screen ID of the dedicated terminal and the dialog ID corresponding to each screen ID, and the screen ID of the Web terminal and the dialog ID corresponding to each screen ID.
FIG. 7 is a table for setting the screen ID displayed on the dedicated terminal, the dialog ID corresponding to each screen ID, and the state corresponding to each dialog ID.

The process until the screen is displayed from the screen display unit 11 of the dedicated terminal 1 and the display condition is registered in the operation information DB is the same as that in the first embodiment, and therefore the description is omitted here. The illustration in FIG. 8 is also omitted for the same reason. FIG. 8 is a flowchart of displaying the screen on the screen display unit 11 of the dedicated terminal 1 and then saving the screen displayed on the dedicated terminal and the operation state of the dialog. When a dialog display operation is executed by pressing a button or the like (step S301), the operation information storage unit 14 registers the dialog display state in the table of FIG. 7 (step S302). At this time, the display states of not only the dialog to be displayed but all dialogs are registered. In other words, the dialogs other than the one you are trying to display are hidden and registered.
After registering the display state, the screen display unit 11 displays a dialog on the screen (step S303).

  FIG. 9 is a flowchart when the web browser 41 is opened from the web terminal 4 to open the same screen as the screen of the dedicated terminal and a dialog. Similar to the first embodiment, after opening the same screen as the screen of the dedicated terminal on the Web terminal (step S208), the operation information acquisition unit 37 of the Web server 3 acquires the display information of the dialog on the monitoring data management device 2. A request is issued (step S401), and the operation information acquisition unit 22 of the monitoring data management device 2 acquires the ID of the dialog displayed in the table of FIG. 7 stored in the operation information DB 24 and returns a response. (Step S402). When the operation information acquisition unit 37 acquires the dialog ID of the displayed dedicated terminal, the Web server 3 acquires the dialog ID of the corresponding Web terminal based on the content of the table in FIG. 6 (step S403). Then, the screen generator 32 displays the acquired dialog of the web terminal (step S404).

  As described above, according to the second embodiment, since the dialog display being displayed on the dedicated terminal can be reproduced on the browser of the Web terminal, it is also possible to save the work in progress.

Embodiment 3.
In the supervisory control systems of the first and second embodiments, the processing of displaying the state of the screen displayed on the dedicated terminal on the Web terminal has been described, but in the supervisory control system of the third embodiment, it is displayed on the Web terminal. The process of displaying the existing screen state on the dedicated terminal will be described below with reference to the drawings.

FIG. 10 shows that in the first and second embodiments, the operation information acquisition unit 17 is added to the dedicated terminal 1 of the supervisory control system described in FIG. 1, and the operation information storage unit 34 and the display condition temporary 36 are added to the Web server 3. It was done.
FIG. 11 is a table having items of a web terminal ID, a web browser ID, a web screen ID, and display conditions. Which web screen is displayed on which browser of which web terminal, and the display condition at that time. Is set for each ID. The format of the display condition is the same as the display condition of the table in FIG.

FIG. 12 is a flowchart of displaying a screen from the Web terminal and storing operation information that is attribute information of the screen. Similar to the first embodiment, it is applied when a screen is displayed from the web browser 41 on the web terminal 4 (step S501).
Upon receiving the screen display request, the Web server 3 temporarily stores the display request source Web terminal ID and Web browser ID in the display condition temporary 36 (step S502). If there is a display condition for displaying the screen (step S503), the operation information storage unit 34 converts the display condition into a format common to the dedicated terminal and the Web terminal, and temporarily stores it in the display condition temporary 36. (Step S504). The screen generation unit 32 generates a screen based on the specified screen ID, display condition, and data received from the data reception unit 33, and sends the screen to the screen distribution unit (step S505). The operation information storage unit 34 stores the Web terminal ID, the Web browser ID, and the display condition temporarily stored in the display condition temporary 36 in the table of the operation information DB 24 of the monitoring data management device 2 in the format of FIG. 7 (step S506). ..

  FIG. 13 is a flowchart when a screen is displayed from the dedicated terminal and the same screen as the web browser on the web terminal is opened. When the dedicated screen display operation is executed (step S601) and the same screen as the web screen is opened (step S602), the web terminal and the web browser to be displayed are selected (step S603). The operation information acquisition unit 17 of the dedicated terminal 1 issues an operation information acquisition request to the monitoring data management apparatus 2 (step S604), and the operation information acquisition unit 22 of the monitoring data management apparatus 2 uses the table of the operation information DB 24 in FIG. From, the screen IDs and display conditions of the designated Web terminal and Web browser are acquired and a response is returned (step S605). The screen generation unit 12 of the dedicated terminal 1 acquires the dedicated screen ID of the dedicated terminal corresponding to the Web screen ID of the acquired operation information based on the table of FIG. 2 (step S606), and is common to the dedicated terminal and the Web terminal. The format of the display condition of is converted into the display condition for the dedicated terminal (step S607), and the screen generation unit 12 acquires the dedicated screen ID, the display condition, and the device of the device/device information DB received from the data reception unit 13. Generate a screen based on the device information data and display the screen (step S608).

  As described above, according to the third embodiment, the screen displayed on the Web terminal and the state in which the display condition is held can be handed over to the dedicated terminal. Further, even when a plurality of Web browsers are started up, it is possible to specify which browser is in the state shown in FIG. 11 and display it on the dedicated terminal.

Fourth Embodiment
In the supervisory control systems of the first and second embodiments, the processing of displaying the screen display state of each dedicated terminal on the Web terminal has been described. However, in the supervisory control system of the fourth embodiment, the display state of each user on the dedicated terminal is described. The process of displaying the "" on the Web terminal will be described below with reference to the drawings.

FIG. 14 is a diagram in which a user recognizing unit 18 is added to the dedicated terminal 1 of the monitoring control system described in FIG. 10 in the third embodiment, and an authentication determining unit 25 and a user information DB 26 are added to the monitoring data management device 2. is there.
FIG. 15 is a table having items of a user ID, a dedicated terminal ID, a dedicated screen ID, and a display condition. Which user ID, which dedicated screen is displayed on the dedicated terminal, and the display condition at that time are shown. Set. As the format of the display condition, similarly to the table of FIG. 3, a format common to the dedicated terminal and the Web terminal is determined and registered.

FIG. 16 is a flowchart in which the user logs in to the dedicated terminal and saves the operation information. When logging in with the user ID on the dedicated terminal 1, the user recognizing unit 18 logs in based on the authorization result determined by the authentication determining unit 25 of the monitoring data management device 2 by acquiring the user information from the user information DB 26. The user is recognized (step S701). When the login with the user ID is successful, the dedicated screen can be displayed, and similarly to the first embodiment, the display operation is executed (step S101) and the screen is displayed (step S104). Then, when registering the dedicated screen ID and the display condition in the table of the operation information DB shown in FIG. 15, the information of the logged-in user ID is also registered (step S702).

  FIG. 17 is a flowchart of processing in which a user logs in to a browser on a Web terminal and displays the same screen as the screen of the dedicated terminal on which the user is logged in. First, the user opens the web browser 41 on the web terminal 4 and logs in with the user ID (step S801). When the login is successful, the web screen can be displayed, and the display operation of the web screen is executed as in the first embodiment (step S201). When the same screen as the screen of the dedicated terminal is displayed (step S202), the operation information acquisition unit 37 acquires the operation information and extracts the operation information that matches the user logged in on the Web screen (step S802). ). Using the extracted operation information, the dedicated terminal information is listed, and the user selects the dedicated terminal to be displayed (step S203). After that, the Web screen is generated and distributed as in the first embodiment.

  As described above, according to the fourth embodiment, since the display state can be inherited for each user, even if the same dedicated terminal is designated and displayed, the display cannot be performed. The screen displayed above can also be changed for each user.

Embodiment 5.
In the supervisory control systems of the first to fourth embodiments, the processing of inheriting the current display state at the dedicated terminal or the Web terminal has been described, but in the supervisory control system of the fifth embodiment, it is assumed that the past display state is inherited. It has become a system. That is, when a large event such as a heavy rain or typhoon has occurred in the past and the user wants to use the display state at that time, the supervisory control system of the present embodiment is used. It is effective to do. The processing of this supervisory control system will be described below with reference to the drawings.

  FIG. 18 is a table having items of a dedicated terminal ID, a dedicated screen ID displayed on the dedicated terminal, a display condition, and a display date and time, and a state previously displayed can be reproduced and set.

  FIG. 19 is a flowchart of a process of storing the state displayed on the dedicated screen of the dedicated terminal and the display date and time. Similar to the case of the first embodiment shown in FIG. 4, the screen display operation of the dedicated terminal is executed (step S101), and the screen is displayed (step S104). After that, when the display state is stored on the dedicated screen of the dedicated terminal (step S901), the operation information storage unit 14 of the dedicated terminal stores the dedicated screen ID, the display condition, and the display date and time in the operation information DB 24 (step S902). ).

  FIG. 20 is a flowchart of a process for displaying the screen of the dedicated terminal at the designated display date and time on the Web browser of the Web terminal. Similar to the case of the first embodiment shown in FIG. 5, the operation of displaying the Web screen is executed (step S201), and the operation information acquisition request is issued (step S204). The operation information acquisition unit 22 of the monitoring data management device returns the screen ID, the display date and time, and the display condition of the designated dedicated terminal from the table of the operation information DB 24 (see FIG. 18) (step S1001). Upon receiving the response of the operation information, the screen generation unit 32 of the Web server 3 displays the display date and time (step S1002). The user selects the date and time to be displayed (step S1003) and acquires the corresponding Web screen ID and display condition (see step S206). Then, as in the case of the first embodiment, the screen of the dedicated terminal corresponding to the display date and time is displayed by the Web browser (step S208).

  As described above, according to the fifth embodiment, the display state desired to be reproduced on the dedicated terminal can be saved and reproduced at any time, so that the options for operation on the Web terminal can be expanded.

  It should be noted that in the present invention, the respective embodiments can be freely combined, or the respective embodiments can be appropriately modified or omitted within the scope of the invention. For example, in the above description, the description has been made on the assumption that the line is wired, but the same argument holds true not only for wired but also for wireless.

1 dedicated terminal, 2 monitoring data management device, 3 Web server, 4 Web terminal, 5 line, 11 screen display unit, 12 screen generation unit, 13 data receiving unit, 14, 34 operation information storage unit, 15, 35 screen data, 16, 36 Display condition temporary, 17, 22, 37 Operation information acquisition unit, 18 User recognition unit, 21 Data distribution unit, 23 Equipment/device information DB, 24 Operation information DB, 25 Authentication determination unit, 31 Screen distribution unit, 32 Screen generator, 33 Data receiver, 41 Web browser

Claims (4)

A monitoring data management device, a dedicated terminal, and a web server, each of which is connected to the web terminal having a web browser via the Internet,
The monitoring data management device,
While having a DB that stores the displayed screen of the Web terminal, the Web browser, and the display condition of the screen of the Web terminal in association with the Web terminal,
The correspondence between the screen of the dedicated terminal and the screen of the Web terminal, and the attribute information of the screen of the displayed dedicated terminal and the screen for each terminal to be displayed, which is operation information to be displayed on the screen of the dedicated terminal. A display condition for eliminating the difference in the attribute information of
The dedicated terminal is
The operation information used when operating independently of the Web terminal is saved, and if there is a display condition for the screen of the dedicated terminal, the screen of the dedicated terminal and the screen of the Web terminal are shared. the Save display conditions of the display format, and the operation information storage section,
An operation information acquisition unit that acquires attribute information of a screen displayed on the Web terminal and converts it into conditions for screen display of the dedicated terminal;
Have
The Web server is
It has a display condition temporary that temporarily stores the Web terminal ID, Web browser ID, and display condition, and
An operation information acquisition unit that acquires attribute information of a screen displayed on the dedicated terminal and converts it into a condition for screen display of the Web terminal ;
A display condition for eliminating the difference between the attribute information of the displayed screen of the web terminal and the attribute information of the screen for each terminal to be displayed, which is the operation information to be displayed on the web screen, and the display condition of the screen of the web terminal. If there is a display condition, an operation information storage unit that stores the display condition of the screen of the Web terminal in a common display format between the screen of the Web terminal and the screen of the dedicated terminal,
A supervisory control system comprising: The monitoring data management device,
A DB that stores a correspondence relationship among four types of information, that is, the screen of the dedicated terminal, the dialog of the screen of the dedicated terminal, the screen of the Web terminal, and the dialog of the screen of the Web terminal.
A screen for the displayed dedicated terminal, a dialog on the screen of the dedicated terminal, and a DB that stores the display state of the dedicated terminal,
The monitoring control system according to claim 1, further comprising: The dedicated terminal is
Has a user recognition unit that recognizes the logged-in user,
The monitoring data management device,
An authentication determination unit for recognizing a login state on the dedicated terminal, and a DB for storing a screen display state for each user on the dedicated terminal,
The screen display on the dedicated terminal corresponding to the logged-in user can be displayed on the web terminal.
The supervisory control system according to claim 1, wherein The monitoring data management device,
It has a DB that stores the screen displayed by the dedicated terminal, the display condition and the display date and time of the dedicated terminal,
The monitoring control system according to claim 1, wherein the Web browser can display a screen of the dedicated terminal at a designated display date and time.

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