JP2014203372A - Monitoring control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitoring control system configured such that in a case where operation devices for operating plant equipment are installed in a plurality of places, and operation is performed using a mobile terminal as well, the mobile terminal is prevented from controlling plant facility from a place where it should not be controlled.SOLUTION: For each plant facility, a control device 20 holds information in advance, the information having a control right mode set in the unit of a place where an operation device is installed. Meanwhile, a plant data delivery server 12 acquires positional information from a mobile terminal and holds the positional information of the operation device and mobile terminal 15. When receiving a control command from the mobile terminal 15, the server 12 transmits this control command to the control device 20 after adding it a control right mode for a place near the present position of the mobile terminal 15. The control device 20 that has received this command controls plant equipment 21 only when the transmitted control right mode matches the control right mode provided for each plant facility of its own.

Description

  The present invention relates to a monitoring control system for operating plant equipment from a plurality of operating devices and mobile terminals.

  A conventional monitoring control system for operating a plant device from a mobile terminal has a function of disabling operation when the mobile terminal is far from the target device based on the position information of the mobile terminal. (For example, see Patent Document 1)

JP 2011-154029 A (pages 5-11, FIG. 2)

In plant monitoring and control systems, when plant equipment is operated from operating devices installed at multiple locations, plant equipment can be simultaneously accessed from multiple locations (eg, alongside plant equipment (site), central monitoring room, remote location, etc.). It is dangerous to operate. For this reason, in the conventional plant monitoring and control system, a control right mode (for example, a field mode, a central mode, a remote mode, etc.) for determining which operating device is given control right is basically provided from one place. Only operable.
However, it has not been considered to operate plant equipment not only from the operation device but also from a portable mobile terminal. Specifically, the control right of the mobile terminal can only be linked to other modes (such as the central mode), and the control right of the mobile terminal cannot be determined in consideration of the location information of the mobile terminal.
Therefore, there is a problem that the mobile terminal in the conventional monitoring control system provided with the control right mode can be operated from any place as long as the control right is obtained. For example, even if you do not give control right to an operation terminal installed in a place where you do not want to operate in the operation of the plant, you should not carry out the operation originally by bringing a mobile terminal with control right There is a problem that the plant equipment can be operated from the place.
Moreover, in the thing of patent document 1, since the control right is determined only in consideration of the position information of the mobile terminal without considering the control right mode, the above-mentioned problem cannot be dealt with.

  The present invention has been made to solve the above-described problems, and is controlled when an operation device that operates plant equipment is installed in each of a plurality of locations and is also operated by a mobile terminal. An object of the present invention is to obtain a monitoring control system that prevents a mobile terminal from controlling a plant facility from a place that should not be performed.

In the supervisory control system according to the present invention, a plurality of operation devices that are installed at a plurality of locations and issue a control command for operating the plant equipment, respectively, are configured to be portable, and a mobile that issues a control command for operating the plant equipment. A terminal, a data distribution server configured to be communicable with the mobile terminal, obtaining a position information of the mobile terminal and a control command issued by the mobile terminal from the mobile terminal, and configured to be communicable with the data distribution server, Based on the control information of the operating device in which the control right is set or the control command of the mobile terminal to which the control right is set, the setting information in which the control right for each facility is set for the operating device is stored in the storage unit in advance. And a control device for controlling the plant equipment, and the mobile terminal has an operation device with a control right set. In the vicinity of only if the mobile terminal is located, in which the control right is given.

  According to the present invention, a plurality of operating devices that are installed at a plurality of locations and issue control commands for operating plant equipment, a mobile terminal that is configured to be portable and that issues control commands for operating plant equipment, and the mobile A data distribution server configured to be communicable with a terminal and acquiring position information of the mobile terminal and a control command issued by the mobile terminal from a mobile terminal, and configured to be communicable with the data distribution server, and control for each plant facility The setting information set for the operating device is stored in the storage unit in advance, and the plant equipment is controlled based on the control command of the operating device set with the control right or the control command of the mobile terminal given the control right. The mobile terminal is provided with a control device for controlling the mobile terminal in the vicinity of the operation device for which the control right is set. Only when located, the control right is given, the mobile terminal from a location not to be controlled can be prevented to control the plant equipment.

1 is a system configuration diagram showing a monitoring control system according to Embodiment 1 of the present invention. It is a figure which shows the control right mode memory | storage image of the supervisory control system by Embodiment 1 of this invention. It is a figure which shows the control right mode position information and mobile terminal position information of the supervisory control system by Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the plant data delivery server 12 of the monitoring control system by Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the control apparatus of the monitoring control system by Embodiment 1 of this invention. It is a figure which shows the control right mode position information and mobile terminal position information of the supervisory control system by Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the plant data delivery server of the monitoring control system by Embodiment 2 of this invention. It is a figure which shows the screen for controlling the apparatus displayed on the mobile terminal of the monitoring control system by Embodiment 2 of this invention. It is a figure which shows the control right mode position information and mobile terminal position information of the supervisory control system by Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the plant data delivery server of the monitoring control system by Embodiment 3 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 system according to Embodiment 1 of the present invention.
In FIG. 1, the plant monitoring control system is arranged in a plant 1, a remote location A5, and a remote location B6.
In the central monitoring room 3 of the plant 1, a central operating device 11 and a plant data distribution server 12 (data distribution server) are installed. An office operating device 10 is installed in the office 2 of the plant 1. At the site 4 of the plant 1, plant equipment 21 and a site operating device 22 are installed. A remote location A operating device 25 is installed at the remote location A5, and a remote location B operating device 26 is installed at the remote location B6.
These operating devices are for operating the plant equipment 21 via the control device 20 which will be described later, and are each constituted by a computer.

  The office operating device 10, the central operating device 11, and the plant data distribution server 12 are connected to the control device 20 via the plant control network 31, and the remote location A operating device 25 and the remote location B operating device 26 are connected to the wide area network 30. And connected to the control device 20 via the plant control network 31. The control device 20 is also connected to the plant equipment 21 and the field operation device 22.

The control device 20 is connected to a plurality of plant devices 21 and controls the plant devices 21 in response to instructions from each operation device. The control device 20 includes a data storage unit 20d and stores a control right mode for determining which control device is to be given control right at which location. In the control right mode, as shown in FIG. 2, a device that can be operated is set for each equipment unit (the equipment is composed of one or more plant devices). In the configuration of FIG. 1, the operating device is installed at five locations and accordingly five control right modes are set, but of course at least more than that may be used.
Moreover, the control apparatus 20 performs the data transmission / reception part 20a which performs data transmission / reception to the plant control network 31, the data processing part 20b which performs the data processing in the control apparatus 20, and accesses the data storage part 20d, the plant equipment 21, and An input / output unit 20c for inputting / outputting data to / from the field operating device 22 is provided.

In addition, the plant data distribution server 12 is connected to the control device 20 via the plant control network 31, distributes the plant data to the mobile terminal 15, and sends a control command for the plant equipment 21 from the mobile terminal 15 to the control device 20. It is configured to transmit to.
The plant data distribution server 12 includes a data storage unit 12d, and the position information of the operating device corresponding to each control right mode and the collected position information of the mobile terminal 15 are stored in the data storage unit 12d as shown in FIG. To save.
In FIG. 1, only one mobile terminal 15 is represented, but a plurality of mobile terminals 15 may be present.

  The plant data distribution server 12 also includes a data transmission / reception unit 12c that performs data transmission / reception to the plant control network 31, a data processing unit 12b that performs data processing in the plant data distribution server 12 and accesses the data storage unit 12d, and a wide area network. A data distribution unit 12 a that distributes data via 30 is provided.

FIG. 2 is a diagram showing a control right mode storage image of the supervisory control system according to the first embodiment of the present invention.
FIG. 2 shows a state in which the control right mode is set in a table in which the vertical axis indicates the equipment name and the horizontal axis indicates the mode name. ○ is the mode in which the control right mode is set. The field mode indicates that the control right mode is set in the field operation device 22. In the control right mode, an operating device that can be operated is set for each equipment unit (the equipment is composed of one or more plant devices).
The information in FIG. 2 is stored in the data storage unit 20d by the control device 20.

FIG. 3 is a diagram showing control right mode position information and mobile terminal position information of the supervisory control system according to the first embodiment of the present invention.
3A shows the position information of the operation terminal expressed by latitude and longitude for each mode name of the control right mode, and FIG. 3B shows the position information of each mobile terminal expressed by latitude and longitude. .
The position information corresponding to each control right mode in FIG. 3A is information set in advance and is basically position information of the corresponding operating device. For example, in the case of the central mode, position information of the central operating device 11 is set. On the other hand, the location information of the mobile terminal 15 in FIG. 3B is constantly updated information.
The information in FIG. 3 is stored in the data storage unit 12d by the plant data distribution server 12.

Next, the operation will be described.
The plant data distribution server 12 periodically communicates with the mobile terminal 15, periodically collects the position information of the mobile terminal 15, and stores the position information of FIG. 3B stored in the data storage unit 12d. It is constantly updated.

At this time, the operation of the plant data distribution server 12 when there is a control command for the plant equipment 21 from the mobile terminal 15 will be described with reference to the flowchart of FIG.
The data distribution unit 12a that has received the control command for the plant equipment 21 from the mobile terminal 15 passes the control command to the data processing unit 12b (step 11).
The data processing unit 12b extracts the stored location information of the mobile terminal 15 and the location information associated with each control right mode from the data storage unit 12d (step 12). Next, the data processing unit 12b calculates the distance between the position information of the mobile terminal 15 and the position information of each control right mode (step 13). If the mobile terminal 15 is within a certain distance from the position information of any control right mode (step 14), the data processing unit 12b gives the control right mode information and sends a control command to the data transmitting / receiving unit. To 12c (step 15).
The data transmitter / receiver 12c transmits a control command to the control device 20 via the plant control network 31 (step 16).

  In step 14, if the mobile terminal 15 is not within a certain distance from any control right mode position information, the data processing unit 12b informs the mobile terminal 15 that there is no control right. Then, the mobile terminal 15 displays that there is no control right.

Next, operation | movement of the control apparatus 20 at the time of transmitting the control command from the mobile terminal 15 to the control apparatus 20 from the plant data delivery server 12 is demonstrated using the flowchart of FIG.
The data transmitting / receiving unit 20a that has received the control command from the plant data distribution server 12 passes the control command including the information on the control right mode to the data processing unit 20b (step 21). The data processing unit 20b takes out the current control right mode from the data storage unit 20d (step 22). The data processing unit 20b compares the extracted control right mode with the control right mode included in the control command (step 23). If the control right modes match (step 24), the data processing unit 20b sends a control command to the plant equipment 21 to the input / output unit 20c (step 25). The input / output unit 20c controls the plant equipment 21 based on the received control command.

If the control right modes compared in Step 24 do not match, the data processing unit 20b discards the control command, notifies the plant data distribution server 12 that there is no control right, and the plant data distribution server 12 15 notifies that there is no control right.
Then, the mobile terminal 15 displays that there is no control right.

  In the above description, as shown in FIG. 3, the control data mode position information is provided in the plant data distribution server 12, but the control information mode position information may be provided in the control device 20. In this case, the location information of the mobile terminal 15 is sent from the plant data distribution server 12 together with the control command of the mobile terminal 15 to the control device 20, and the control device 20 is in the vicinity of the position of the control right mode. To determine whether or not

  According to the first embodiment, the control right of the mobile terminal 15 can be controlled based on the control right mode and the position information of the mobile terminal 15, and the mobile terminal 15 controls the plant equipment 21 from the place where the control should not be performed. Can be prevented.

Embodiment 2. FIG.
In addition to the configuration of the first embodiment, the second embodiment describes a method for automatically displaying a control screen on the mobile terminal 15 at the timing when the mobile terminal 15 obtains the control right.
FIG. 6 is a diagram showing control right mode position information and mobile terminal position information of the supervisory control system according to the second embodiment of the present invention.
FIG. 6A shows the position information in the control right mode expressed by latitude and longitude, and FIG. 6B shows the position information for each mobile terminal expressed by latitude and longitude. The table in FIG. 6 is a table of position information stored in the data storage unit 12d of the plant data distribution server 12. In addition to the position information in the first embodiment, the mobile terminal 15 has control authority for each control mode. A setting has been added regarding whether or not to display automatically when obtained. In the case of FIG. 6, the control screen is automatically displayed on the mobile terminal 15 only when the mobile terminal 15 obtains the control right in the field mode, that is, when the control right is obtained near the plant equipment 21. Is set.
In the second embodiment, the control right is given to the mobile terminal 15 only when the control screen is automatically displayed (◯ in the figure).

FIG. 8 is a diagram showing a screen for controlling devices displayed on the mobile terminal of the monitoring control system according to the second embodiment of the present invention.
In FIG. 8, the mobile terminal 15 notified that the control right has been obtained automatically displays a screen or window for controlling the device on the screen of the own terminal, and has obtained the control right from the operator. To be notified.

Next, the operation of the plant data distribution server 12 when the mobile terminal 15 obtains the control right will be described using the flowchart of FIG.
The data processing unit 12b collects position information from the mobile terminal 15, and updates the position information stored in the data storage unit 12d (step 111). The data processing unit 12b acquires the current control right mode from the control device 20 (step 112).
In the table of FIG. 6A stored in the data storage unit 12d, if the current control right mode is set to have automatic display (O in the figure) (step 113), the data processing unit 12b Then, the distance between the position information of the mobile terminal 15 and the position information associated with the current control mode is calculated (step 114). If the automatic display is not set to “Yes”, the process returns to step 111.

Next, if the mobile terminal 15 is within a certain distance from the position information associated with the current control right mode (step 115), the data processing unit 12b receives the control right from the data distribution unit 12a. This is notified (step 116). The data distribution unit 12a notifies the mobile terminal 15 that the control right has been obtained (step 117).
If the mobile terminal 15 is not within a certain distance from the position information associated with the current control right mode (step 115), the process returns to step 111.

  The mobile terminal 15 notified that the control right has been obtained automatically displays a screen or window for controlling the device as shown in FIG. 8, and notifies the operator that the control right has been obtained.

  According to the second embodiment, the operator can perform monitoring control from the mobile terminal 15 efficiently by displaying a control screen or window simply by approaching the site or the like.

Embodiment 3 FIG.
In addition to the configuration of the second embodiment, in the third embodiment, when the mobile terminal 15 gets control right, when it leaves the place, a notice of alerting that it has left control right How to do is described.
FIG. 9 is a diagram showing control right mode position information and mobile terminal position information of the supervisory control system according to Embodiment 3 of the present invention.
FIG. 9A expresses position information in the control right mode by latitude and longitude, and whether or not to automatically display the control screen when the mobile terminal obtains the control right is set. FIG. 9B shows position information for each mobile terminal expressed by latitude and longitude.
The table in FIG. 9 is a table of position information stored in the data storage unit 12d of the plant data distribution server 12. In addition to the information in the second embodiment, the mobile terminal 15 controls each control right mode. A setting item has been added regarding whether to send a notice of alert when trying to leave the place with the right.

Next, the operation of the plant data distribution server 12 when the mobile terminal 15 loses the control right will be described using the flowchart of FIG.
The data processing unit 12b collects position information from the mobile terminal 15, and updates the position information stored in the data storage unit 12d (step 211). Next, the data processing unit 12b acquires the current control right mode from the control device 20 (step 212).
In the table of FIG. 9 stored in the data storage unit 12d, if the alert notification is set to “Yes” (step 213) in the current control right mode (step 213), the data processing unit 12b The distance between the position information of the terminal 15 and the position information associated with the current control mode is calculated (step 214). If the alert notification is not set to “Yes”, the process returns to step 211.

Next, if the mobile terminal 15 is out of a certain distance from the position information associated with the current control right mode (step 215), the data processing unit 12b has lost control right to the data distribution unit 12a. This is notified (step 216). Then, the data distribution unit 12a notifies the mobile terminal 15 that the control right has been lost (step 217).
If the mobile terminal 15 is within a certain distance from the position information associated with the current control right mode (step 215), the process returns to step 211.

  The mobile terminal 15 notified that the control right has been lost displays on the screen notifying that the control right has been lost, and notifies the operator that the control right has been lost.

According to the third embodiment, when the mobile terminal 15 has obtained the control right, when leaving the place, the operator can be notified that the mobile terminal 15 has left the control right.
In a general plant, the control right is often switched on the site side. For this reason, if the operator returns to the central monitoring room or the like while leaving the control right at the site after operating at the site, it is necessary to return to the site and return the control right when he / she notices. It is possible to give a notice of alert so that there is no such thing.

  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 1 Plant, 2 Office, 3 Central monitoring room, 4 Site, 5 Remote location A, 6 Remote location B, 10 Office operation device, 11 Central operation device, 12 Plant data distribution server, 12a Data distribution part, 12b Data processing Unit, 12c data transmission / reception unit, 12d data storage unit, 15 mobile terminal, 20 control device, 20a data transmission / reception unit, 20b data processing unit, 20c input / output unit, 20d data storage unit, 21 plant equipment, 22 field operation device, 25 Remote area A operation device, 26 Remote area B operation device, 30 wide area network, 31 plant control network.

Claims (3)

A plurality of operating devices that are installed at a plurality of locations and issue control commands for operating the plant equipment,
A mobile terminal configured to be portable and issuing a control command for operating the plant equipment,
A data distribution server configured to be communicable with the mobile terminal, and acquiring position information of the mobile terminal and a control command issued by the mobile terminal from the mobile terminal,
And the operation device configured to be communicable with the data distribution server, storing the setting information in which the control right for each plant facility is set for the operation device in the storage unit in advance, and the control right being set. A control device for controlling the plant equipment based on the control command of the mobile terminal to which the control command or the control right is given,
The monitoring control system, wherein the mobile terminal is given the control right only when the mobile terminal is located in the vicinity of the operating device to which the control right is set.   The monitoring control system according to claim 1, wherein an operation screen of the plant facility is automatically displayed on the mobile terminal to which the control right is given. When the mobile terminal to which the control right is given moves away from the vicinity of the operating device to which the control right is set, a display for alerting is performed on the mobile terminal. The supervisory control system according to claim 1 or 2.

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