JP5759340B2 - Monitoring and control Web system - Google Patents

Description

  The present invention relates to a monitoring control Web system for monitoring and controlling the state of equipment in plant facilities and public facilities.

Conventionally, in a system that monitors the status of equipment in plant facilities and public facilities, or checks the status change in time series, a screen that displays the range monitored by the system as a schematic diagram, graphs of time series data, It is common to display a screen using a number of screen display formats including a screen displayed in a list format.
In recent monitoring systems, there are various types of items (devices) to be monitored, and there is a tendency for the number of screens to increase and screen operations on the system to become more complicated. For this reason, there is a need for a mechanism that ensures operability and convenience even when events such as observation data abnormalities and device abnormalities occur.
As an example of a solution to such a problem, in a remote monitoring system for plant facilities, a method of automatically displaying a device abnormality warning window informing a device abnormality at the forefront of the screen when a device abnormality occurs is disclosed. . (Patent Document 1)

JP 2004-108209 A (pages 4-7, FIG. 1)

  In the conventional plant monitoring and control system, when an equipment abnormality occurs, the equipment abnormality warning window is displayed in the forefront. However, the equipment abnormality warning window only displays minimum information (such as the name of the target equipment). Until the operator (or expressed as a user) closes the device abnormality warning window, the operator cannot confirm the detailed state of the target device.

  The present invention has been made to solve the above-described problems, and is used to monitor and control the state of plant equipment in response to a notification when an alarm event including observation data abnormality / equipment abnormality occurs. An object of the present invention is to obtain a monitoring and control Web system that does not impair operability and convenience.

In the monitoring control Web system according to the present invention, a monitoring terminal that displays a monitoring screen for monitoring monitored equipment, monitoring data from the monitored equipment is collected, and when an abnormality of the monitoring data is detected, an alarm is issued. A DB server that transmits an event, and a Web application server that changes a state of a monitoring screen displayed on the monitoring terminal according to an alarm event transmitted by the DB server. The Web application server includes an alarm event and the alarm event. Event screen definition file that uniquely associates the screen ID of the monitoring screen to be displayed in the forefront of the display screen of the monitoring terminal when an error occurs, an event receiver that receives an alarm event from the DB server, and an event screen definition file Refers to the monitoring corresponding to the alarm event received by the event receiver A screen management unit that determines a screen, and a screen state change unit that transmits to the monitoring terminal a command for displaying the monitoring screen determined by the screen management unit in the forefront of the display screen of the monitoring terminal. Has a web browser that communicates with the web application server and displays a monitoring screen, and the web browser displays a monitoring screen corresponding to an alarm event on the forefront of the display screen based on a command from the screen state changing unit. Is.

According to this invention, a monitoring terminal that displays a monitoring screen for monitoring monitored equipment, a DB that collects monitoring data from the monitored equipment and sends an alarm event when an abnormality in the monitoring data is detected A server and a Web application server that changes a state of a monitoring screen displayed on the monitoring terminal in response to an alarm event transmitted from the DB server, and the Web application server monitors the alarm event and the alarm terminal when the alarm event occurs Refer to the event screen definition file that uniquely associates the screen ID of the monitoring screen to be displayed on the forefront of the display screen, the event reception unit that receives the alarm event from the DB server, and the event screen definition file, A screen management unit for determining a monitoring screen corresponding to the alarm event received by the event reception unit; And a screen state changing unit that transmits to the monitoring terminal a command for displaying the monitoring screen determined by the screen management unit on the forefront of the display screen of the monitoring terminal. The monitoring terminal communicates with the Web application server and monitors It has a web browser that displays a screen, and the web browser displays a monitoring screen corresponding to the alarm event on the foreground of the display screen based on a command from the screen state changing unit. And screen operability are improved.

1 is a system configuration diagram showing a monitoring control Web system according to Embodiment 1 of the present invention. FIG. It is a figure which shows the web browser screen of the monitoring control web system by Embodiment 1 of this invention. It is a figure which shows an example of the event screen definition of the monitoring control Web system by Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the monitoring control Web system by Embodiment 1 of this invention. It is a system block diagram which shows the monitoring control Web system by Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the supervisory control Web system by Embodiment 2 of this invention. It is a system configuration | structure figure which shows the monitoring control Web system by Embodiment 3 of this invention. It is a figure which shows an example of the event screen definition of the monitoring control Web system by Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the monitoring control Web system by Embodiment 3 of this invention. It is a system configuration | structure figure which shows the monitoring control Web system by Embodiment 4 of this invention. It is a figure which shows an example of the event screen definition of the monitoring control Web system by Embodiment 4 of this invention. It is a flowchart which shows operation | movement of the monitoring control Web system by Embodiment 4 of this invention. It is a system configuration | structure figure which shows the monitoring control Web system by Embodiment 5 of this invention. It is a figure which shows an example of the event screen definition of the monitoring control Web system by Embodiment 5 of this invention. It is a flowchart which shows the user authentication of the supervisory control Web system by Embodiment 5 of this invention. It is a flowchart which shows operation | movement of the monitoring control Web system by Embodiment 5 of this invention.

Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below with reference to the drawings.
FIG. 1 is a system configuration diagram showing a monitoring control Web system according to Embodiment 1 of the present invention.
In FIG. 1, the monitoring control Web system includes a monitoring terminal 1000, a Web application server 2000, a DB server 3000, a slave station 4000, and equipment 5000 and is connected via a network.
The monitoring terminal 1000 has a plurality of browsers as follows.
The web browser 100 has a web data input / output unit 10 that communicates with the web application server 2000 and displays a main monitoring screen 11 having a mechanism for notifying a user of an alarm event.
The web browser 101 has a web data input / output unit 10 that communicates with the web application server 2000 and displays a dialog monitoring screen 12 (hereinafter referred to as a monitoring screen). The dialog monitoring screen 12 is called by the user operating the main monitoring screen 11 and is displayed in the main monitoring screen 11.
The monitoring terminal 1000 has a plurality of Web browsers 101 and can simultaneously display a plurality of monitoring screens 12 in the main monitoring screen 11.

The Web application server 2000 is configured as follows.
The event receiving unit 20 receives an alarm event from the DB server 3000. The web communication unit 21 has a function of receiving a request from the monitoring terminal 1000 and a function of notifying the monitoring terminal 1000 of an update of the screen state. The operation input unit 22 receives an operation request from the monitoring terminal 1000. As a result of the user operating the main monitoring screen 11, a command for displaying a certain monitoring screen 12 is transmitted via the Web communication unit 21 to grasp this.
The screen state update unit 23 updates the state of the currently displayed screen. The monitoring screen 12 is called by the main monitoring screen 11. The definition information reading unit 25 reads an event screen definition 24 described later with reference to FIG.
The screen management unit 26 manages the state related to the displayed screen, confirms the operation from the user or the event screen definition 24, and requests a change of the screen state displayed on the monitoring terminal 1000 according to the alarm event. .

The DB server 3000 is configured as follows.
The data receiving unit 30 receives monitoring data from the slave station 4000. The data processing unit 31 performs calculation / conversion processing on the received monitoring data, and issues an alarm event if there is an observation data abnormality or an equipment abnormality. There may be a plurality of types of alarm events for one facility device. The event transmission unit 32 notifies the web application server 2000 of an alarm event.

The slave station 4000 collects monitoring data from the equipment 5000 such as plant equipment and public equipment.
The equipment 5000 includes, for example, an anemometer A, a flow meter B, and a water level system C.

FIG. 2 is a diagram showing a Web browser screen of the monitoring control Web system according to Embodiment 1 of the present invention.
2, 11 and 12 are the same as those in FIG. The monitoring screen 12 is displayed so as to overlap the main monitoring screen 11. An alarm event is displayed in the alarm display column 13 arranged in the area above the main monitoring screen 11.
A, B, and C on the monitoring screen 12 display drawings including an anemometer A, a flow meter B, and a water level system C, respectively.

FIG. 3 is a diagram showing an example of an event screen definition of the monitoring control Web system according to the first embodiment of the present invention.
In FIG. 3, the event screen definition 24 can identify a monitoring screen for requesting a change of state in accordance with an alarm event by uniquely associating the alarm event with a screen ID.

Next, the operation will be described.
The operation when the state of the monitoring screen is changed by an alarm event will be described with reference to the flowchart of FIG.
Slave station 4000 acquires monitoring data of equipment 5000 (ST1001). The DB server 3000 receives the monitoring data from the slave station 4000 at the data receiving unit 30 and transmits it to the data processing unit 31. The data processing unit 31 performs conversion / calculation processing on the received monitoring data (ST1002).
If it is determined by the data processing unit 31 (ST1003) that an alarm event should be issued, an alarm event is created, and an event is sent from the event transmitting unit 32 to the event receiving unit 20 of the Web application server 2000. Transmit (ST1004).

The event reception unit 20 of the Web application server 2000 transmits the received alarm event to the screen management unit 26. When receiving the alarm event, screen management unit 26 acquires the contents of event screen definition 24 via definition information reading unit 25 (ST1005).
The screen management unit 26 confirms the contents of the alarm event and the event screen definition 24, determines the monitoring screen to be displayed in the foreground on the monitoring terminal 1000, and transmits the screen information to the screen state changing unit 23 (ST1006).
When the screen information is acquired, the screen state changing unit 23 sets the corresponding monitoring screen to be displayed in the forefront, and transmits it to the Web communication unit 21 (ST1007).
The web communication unit 21 transmits the state change information set by the screen state change unit 23 to the web data input / output unit 10 of the web browser 100 that displays the main monitoring screen 11. The Web browser 100 on the main monitoring screen 11 changes the state of the alarm notification column 13 on the main monitoring screen 11 (discoloration, blinking, etc. of the display column) (ST1008).

  The Web browser 100 displaying the main monitoring screen 11 determines whether the target monitoring screen received by the Web data input / output unit 10 is being displayed (ST1009). A monitoring screen is displayed on the Web browser (ST1010), and the target monitoring screen is displayed in the forefront (ST1011).

According to the first embodiment, when an alarm event such as an observation data abnormality or a device abnormality occurs in a situation where a plurality of monitoring screens are displayed, the monitoring screen corresponding to the alarm event is displayed in the foreground. be able to.
This improves visibility and screen operability when an alarm event such as an observation data abnormality or an equipment abnormality occurs, thereby reducing the user's work time.

Embodiment 2. FIG.
In the second embodiment, the Web browser 101 that displays the monitoring screen in FIG. 1 is changed to a tab browser in the first embodiment. By changing to the tab browser, a plurality of monitoring screens can be displayed with one web browser.

FIG. 5 is a system configuration diagram showing a monitoring control Web system according to Embodiment 2 of the present invention.
5, 10-12, 20-26, 30-32, 100, 1000, 2000, 3000, 4000, 5000 are the same as those in FIG. The web browser 102 is a tab browser, and displays a monitoring screen on each tab.

Hereinafter, the operation of the monitoring control Web system according to the second embodiment will be described with reference to the flowchart of FIG.
The processing (ST1003 to ST1008) from when the slave station 4000 acquires the monitoring data until the status of the monitoring screen is set is the same as that in the first embodiment (FIG. 4), and thus the description thereof is omitted. .
The Web browser 100 displaying the main monitoring screen 11 determines whether or not the target monitoring screen received by the Web data input / output unit 10 is being displayed (ST1009). If there is no target monitoring screen, the Web browser The target monitoring screen is displayed on another tab in 102 (ST2001), and the target monitoring screen displayed on that tab is displayed in the forefront (ST1011).

  According to the second embodiment, even when a plurality of monitoring screens are displayed, they can be stored in one web browser. As a result, the area where the main monitoring screen is displayed expands, and it is easier to check the status change (discoloration / flashing) of the alarm notification column on the main monitoring screen when an alarm event such as an observation data error or device error occurs. The work time of the user can be reduced.

Embodiment 3 FIG.
In the third embodiment, when the importance (priority) of the alarm event is added to the event screen definition 24 with respect to the above-described first and second embodiments, a plurality of alarm events occur simultaneously. In addition, the monitoring screens are displayed from the front of the monitoring terminal in descending order of importance.

FIG. 7 is a system configuration diagram showing a monitoring control Web system according to Embodiment 3 of the present invention.
7, 10-12, 20-23, 25, 26, 30-32, 100, 102, 1000, 2000, 3000, 4000, 5000 are the same as those in FIG. The event screen definition 24a is obtained by adding the priority of the alarm event to the configuration of the event screen definition 24 in FIG.

FIG. 8 is a diagram showing an example of an event screen definition of the monitoring control Web system according to the third embodiment of the present invention.
In FIG. 8, an event screen definition 24a is obtained by adding a priority based on the importance of an alarm event to the configuration of the event screen definition 24 of FIG. Thereby, when a plurality of alarm events occur at the same time, the monitoring screens can be displayed from the forefront of the monitoring terminal in descending order of priority.
For example, when the event A and the event C occur simultaneously, the monitoring screen 12 corresponding to the event A with the screen ID 001 is displayed in the foreground, and then the monitoring screen 12 corresponding to the event C with the screen ID 002 is displayed. Is displayed.

In the monitoring and control Web system that monitors and controls the state of facility equipment in plant facilities and public facilities, the number of equipment devices to be monitored is large, so that an alarm event can occur simultaneously. For this reason, in the third embodiment, when alarm events occur simultaneously, the monitoring screens are displayed on the front surface in the order of importance based on the importance of the alarm event.
Hereinafter, the operation of the third embodiment will be described with reference to the flowchart of FIG.
Since the processing (ST1001 to ST1006) from when the slave station 4000 acquires the monitoring data until the monitoring screen to be displayed is selected from the alarm event and the event screen definition 24a is the same as that of the first embodiment, the description thereof will be given. Omitted.
When a plurality of alarm events occur simultaneously, considering the priority of the alarm event acquired from the event screen definition file 24a, the screen state changing unit 23 sets the screen state and transmits it to the Web communication unit 21 ( ST3001).

The web communication unit 21 transmits to the web data input / output unit 10 of the web browser 100 that displays the main monitoring screen 11. The web browser 100 changes the state of the alarm notification column 13 on the main monitoring screen 11 (discoloration, blinking, etc. of the display column) (ST1008).
The Web browser 100 determines whether or not the target monitoring screen received by the Web data input / output unit 10 is being displayed (ST1009). If there is no target monitoring screen, monitoring is performed using another tab of the Web browser 102. A screen is displayed (ST2001).
When a plurality of alarm events occur simultaneously, the monitoring screen 12 is displayed in descending order of importance from the forefront (ST3002).

  According to the third embodiment, when a plurality of alarm events occur simultaneously in the first and second embodiments, the operability is improved by displaying the monitoring screens in descending order of importance. As a result, the user's working time can be reduced.

Embodiment 4 FIG.
In the fourth embodiment, a destination device discriminating unit that discriminates a monitoring terminal that is a transmission destination of an alarm event is added to the Web application server in comparison with the first to third embodiments described above, and each monitoring terminal is provided. The monitoring screen can be displayed when an alarm event occurs.

FIG. 10 is a system configuration diagram showing a monitoring control Web system according to Embodiment 4 of the present invention.
10, 10-12, 20-23, 25, 26, 30-32, 100, 102, 1000, 2000, 3000, 4000, 5000 are the same as those in FIG. The event screen definition 24b is obtained by adding a monitoring terminal related to an alarm event to the configuration of the event screen definition 24a of FIG.
In FIG. 10, the Web application server 2000 is provided with a transmission destination device determination unit 27 that determines a monitoring terminal that is a transmission destination of an alarm event. In FIG. 10, a plurality of monitoring terminals 1000, 1001,... 1000n are connected to the network. Each of these monitoring terminals targets at least one facility device. The monitoring equipment may be the same equipment or different equipment.

FIG. 11 is a diagram showing an example of an event screen definition of the monitoring control Web system according to the fourth embodiment of the present invention.
In FIG. 11, an event screen definition 24b is obtained by adding a monitoring terminal to which an alarm event is transmitted to the configuration of the event screen definition 24a of FIG. Thereby, when an alarm event occurs, the alarm event is transmitted only to the monitoring terminal on which the corresponding monitoring screen is displayed, and the target monitoring screen can be displayed in the forefront.
In FIG. 11, event A is sent to all monitoring terminals, event B is sent only to monitoring terminal 1000, event C is sent to monitoring terminals 1000 and 1001, event D is sent only to monitoring terminal 1002, and event E is sent to monitoring terminals 1000 and 1003. , Each is defined to be sent.

  In the monitoring and control Web system that monitors and controls the state of facility equipment in plant facilities and public facilities, since there are a large number of equipment devices to be monitored, there are a large number of monitoring terminals that perform state monitoring and control. The equipment to be monitored and controlled for the status of the monitoring terminal is determined for each monitoring terminal (may be the same equipment or may be different). It is necessary to judge whether it is possible. The fourth embodiment is for coping with this.

Next, the operation of the fourth embodiment will be described using the flowchart of FIG.
The process from the process in which the slave station 4000 acquires the monitoring data to the process in which the monitoring screen is selected from the alarm event and the event screen definition (ST1001 to ST1006) is the same as the process in the first embodiment, so the description thereof will be given. Omitted.
The destination device determination unit 27 confirms the alarm event transmission destination monitoring terminal from the event screen definition 24b (ST4001). Since the monitoring terminal determined as the transmission destination is the same as the processing in Embodiment 3, the description thereof is omitted (ST3001 to ST3002).

For the monitoring terminal that is not determined as the transmission destination, only the update of the alarm notification column 13 is transmitted to the screen state changing unit 23. Screen state update unit 23 sets the update of alarm notification column 13 and transmits it to Web communication unit 21 (ST4002).
The web communication unit 21 transmits to the web data input / output unit 10 of the web browser 100 that displays the main monitoring screen 11. The Web browser 100 changes the state of the alarm notification column 13 on the main monitoring screen 11 (discoloration, blinking, etc. of the display column) (ST4003).

  According to the fourth embodiment, in the first to third embodiments described above, the monitoring terminal that can operate the monitoring screen is restricted by determining whether or not the monitoring screen corresponding to the alarm event can be displayed by the monitoring terminal. In addition, user operation errors can be reduced.

Embodiment 5 FIG.
In the fifth embodiment, a user authentication unit and an access right determination unit are added to the Web application server in contrast to the first to third embodiments described above, and an alarm event is generated by the user of the monitoring terminal. The monitoring screen can be displayed or not.

FIG. 13 is a system configuration diagram showing a monitoring control Web system according to Embodiment 5 of the present invention.
In FIG. 13, 10-12, 20-23, 25, 26, 30-32, 100, 102, 1000, 2000, 3000, 4000, 5000 are the same as those in FIG. The event screen definition 24c is obtained by adding the access right of the user who uses the monitoring terminal to the configuration of the event screen definition 24a of FIG. In FIG. 13, the web application server 2000 is provided with a user authentication unit 28 that authenticates a user and an access right determination unit 29 that determines the access right of the user.

FIG. 14 is a diagram showing an example of an event screen definition of the monitoring control Web system according to the fifth embodiment of the present invention.
In FIG. 14, an event screen definition 24c is obtained by adding the access right of the user who uses the monitoring terminal to the configuration of the event screen definition 24a of FIG. Thereby, when an alarm event occurs, the alarm event is transmitted only to the monitoring terminal used by the user having access rights, and the target monitoring screen can be displayed in the forefront.

Next, the operation of the fifth embodiment will be described.
First, the user authentication operation will be described with reference to the flowchart of FIG.
In monitoring terminal 1000, the user performs a user authentication operation on Web browser 100 (ST5001). Information input by the Web browser 100 is transmitted from the Web data input / output unit 10 to the Web communication unit 21 of the Web application server 2000.
The web communication unit 21 transmits information to the user operation input unit 22. The user operation input unit 22 analyzes the received request and transmits it to the user authentication unit 27.
The user authentication unit 28 determines the user from the received information (ST5002), and notifies the authentication failure when the user does not exist.

If the user authentication is successful, a screen update request is transmitted to the screen management unit 26.
Upon receiving the request, screen management unit 26 analyzes the request and selects a display screen (ST5003). The screen management unit 26 transmits the selected screen information to the screen state changing unit 23. When acquiring the screen information, the screen state changing unit 23 constructs (generates) a screen in a state in which the screen can be displayed, and transmits it to the Web communication unit 21 (ST5004). The web communication unit 21 transmits the screen to the requesting web data input / output unit 10. Web browser 100 updates its own main monitoring screen 11 (ST5005).

Next, the operation when an alarm event occurs will be described with reference to FIG.
The process from the process in which the slave station 4000 acquires the monitoring data to the process in which the monitoring screen is selected from the alarm event and the event screen definition (ST1001 to ST1006) is the same as the process in the first embodiment, so the description thereof will be given. Omitted.
The access right determination unit 29 confirms the alarm event access right from the event screen definition 24c (ST5006). For users who have access rights, the processing is the same as in the third embodiment, and the description thereof is omitted (ST3001 to ST3002).

For the user who does not have the access right, only the update of the alarm notification column 13 is transmitted to the screen state changing unit 23. The screen state changing unit 23 sets the update of the alarm notification column 13 and transmits it to the Web communication unit 21 (ST5007).
The web communication unit 21 transmits to the web data input / output unit 10 of the web browser 100 that displays the main monitoring screen 11. The Web browser 100 changes the state of the alarm notification column 13 on the main monitoring screen 11 (discoloration, blinking, etc. of the display column) (ST5008).

  According to the fifth embodiment, in the first to third embodiments described above, the user who can operate the monitoring screen is limited by determining whether or not the monitoring screen corresponding to the alarm event can be displayed. Reduce user work mistakes.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

DESCRIPTION OF SYMBOLS 10 Web data input / output part 11 Main monitoring screen 12 Monitoring screen 20 Event receiving part 21 Web communication part 22 User operation input part 23 Screen state change part 24 Event screen definition 25 Definition information reading part 26 Screen management part 27 Transmission destination apparatus discrimination | determination part 28 User authentication unit 29 Access right determination unit 30 Data reception unit 31 Data processing unit 32 Event transmission unit 100 Web browser (main)
101 Web browser (dialog)
102 Web browser (dialog)
1000 Monitoring terminal 2000 Web application server 3000 DB server 4000 Slave station 5000 Equipment

Claims (5)

A monitoring terminal that displays a monitoring screen for monitoring monitored equipment,
DB server that collects monitoring data from the monitored equipment and sends an alarm event when an abnormality of the monitoring data is detected,
And a Web application server that changes the state of the monitoring screen displayed on the monitoring terminal in response to an alarm event transmitted by the DB server,
The web application server
An event screen definition file that uniquely associates in advance the alarm event and the screen ID of the monitoring screen displayed on the forefront of the display screen of the monitoring terminal when the alarm event occurs ;
An event receiver for receiving the alarm event from the DB server;
A screen management unit that refers to the event screen definition file and determines a monitoring screen corresponding to the alarm event received by the event reception unit;
A screen state changing unit that transmits to the monitoring terminal a command for displaying the monitoring screen determined by the screen management unit on the forefront of the display screen of the monitoring terminal;
The monitoring terminal
A web browser that communicates with the web application server and displays the monitoring screen;
The monitoring control Web system, wherein the Web browser displays a monitoring screen corresponding to the alarm event on the forefront of the display screen based on a command from the screen state changing unit.   The monitoring control Web system according to claim 1, wherein the monitoring screen is displayed by a tab browser capable of displaying a plurality of monitoring screens in a tab format. In the event screen definition file, a priority is defined in advance for each alarm event,
The Web application server displays a monitoring screen corresponding to the alarm event on the front according to the priority of the alarm event when a plurality of the alarm events are simultaneously transmitted from the DB server. The monitoring control Web system according to claim 1 or 2. In the event screen definition file, a transmission destination monitoring terminal is defined in advance for each alarm event,
Based on the event screen definition file, the Web application server instructs the monitoring terminal to which the alarm event is transmitted to display the monitoring screen determined by the screen management unit on the forefront of the display screen of the monitoring terminal. The monitoring control Web system according to any one of claims 1 to 3, wherein the monitoring control Web system is transmitted. In the event screen definition file, the access right of the user who uses the monitoring terminal is defined in advance for each alarm event,
The Web application server performs user authentication, and transmits the monitoring screen determined by the screen management unit to the monitoring terminal used by a user having access rights to the alarm event based on the event screen definition file. The supervisory control Web system according to any one of claims 1 to 3, wherein a command for displaying on the forefront of the display screen is transmitted.

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