JP2001125630A - Monitor control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To handle a fault, etc., through the same operation as operation on a job site without visiting the job site from a central monitor room if equipment provided on the job site gets out of order. SOLUTION: A television camera device 5 photographs the operation surfaces 4 of respective job site boards 3 arranged on a job site, the video signal obtained by the device is supplied to a central monitor control device 6 arranged in the central monitor room to display the contents of the operation surfaces 4 provided to the respective job site boards 3 on a screen, and when one switch image 9 on the operation screen is touched, control data corresponding to the touched switch image 9 are generated to control the job site board 3, thereby controlling the operation and stop of each equipment 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a water supply plant,
The present invention relates to a monitoring and control system for monitoring and controlling a sewerage plant and the like, and more particularly to a monitoring and control system that allows a monitoring panel on a site to be easily operated from a central side.

[0002]

2. Description of the Related Art As a monitoring control system for monitoring and controlling a water supply plant, a sewage plant, and the like, a system shown in FIG. 5 is conventionally known.

[0003] The monitoring and control system 101 includes a plurality of site panels 102 arranged on the site side of a plant to be monitored and controlled, such as a water supply plant and a sewerage plant, and a central monitoring and control device 103 provided in a central monitoring room and the like. And a communication line 104 for interconnecting each of these site panels 102 and the central monitoring and control device 103. By switching the mode of the central monitoring and control device 103 or each of the site panels 102, the central monitoring room side or each Each of the sites is configured to be able to control each device 105 such as a pump constituting a waterworks plant, a sewerage plant, or the like.

In this case, as shown in FIG.
02 or the central monitoring and control device 103 to set the operation place mode to the center side (step ST10
1), the operation from the central monitoring room is enabled, and if the automatic mode is selected in this state (step ST102), when the condition is satisfied, the stop / operation of each device 105 is automatically performed according to the condition. (Step ST103), and if the operation from the central monitoring room is enabled (Step ST101), and the manual mode is selected (Step ST102), The stop / run of each device 105 is controlled on a group basis (step ST103).

If the operation place mode is set to the site side by operating each site panel 102 or the central monitoring control device 103 (step ST101), the central monitoring control device 10
Regardless of the operation contents of 3, the control of each site panel 102 is prioritized, and if the site panel 102 is set to the single mode in this state (step ST102), the stop / stop of each device 105 is performed according to the operation of the site panel 102. If the operation is controlled independently (step ST103) and the site panel 102 is set to the connection mode (step ST102), the stop / operation of each device 105 is controlled in a group unit according to the operation of the site panel 102 (step ST102). Step ST103).

[0006]

By the way, in such a supervisory control system 101, a central supervisory control device 103
, Operation / operation of each device 105 provided on the site side
When controlling the stop, each of these devices 1
Since the operation of automatically controlling and linking the operation / stop of the apparatus 05 is mainly performed, the equipment 105 on the plant side cannot be automatically controlled and interlocked, for example, one of the equipment 105 fails and the other equipment 105 When it becomes impossible to perform the interlocking control with the device 105, each device 105 must be individually controlled.

[0007] In such a case, exit from the central monitoring room,
Since it is necessary to go directly to the site where the device 105 to be controlled is located and directly operate the site panel 102, when the device 105 fails, the device 105 cannot be operated in a timely manner. Failure of other equipment 10
5, the entire plant could stop functioning.

Further, in the field operation, since each device 105 must be individually monitored and operated, it is difficult to perform the operation in consideration of the entire plant, and there is a possibility that the stability of the entire plant may be impaired. .

[0009] Further, when work is performed on the site side, it is often too hot or too cold, and furthermore, it is often necessary to work in a place with high humidity, etc. There is a problem that is easily caused.

For this reason, the equipment 10 provided at the site
Although it is strongly desired that the central monitoring and control device 103 provided in the central monitoring room be able to cope with this even when the device 5 has failed, it is displayed on the operation screen of the central monitoring and control device 103. It is difficult to understand which operation corresponds to which operation of the site panel 102 just by looking at the text information, simple diagrams, etc. There has been a strong demand for the development of a monitoring and control system that can be operated with the same feeling.

The present invention has been made in view of the above circumstances, and in claim 1, when a device provided on the site side breaks down, the same operation as that performed on the site side is performed without going out of the central monitoring room to the site side. It is possible to deal with breakdowns, etc., so even if equipment etc. break down, under a comfortable working environment,
It is an object of the present invention to provide a monitoring and control system capable of performing recovery work quickly and dramatically improving system stability.

In the second aspect, an algorithm for associating the position of each operation switch provided on the site panel with each operation switch image of the site panel image displayed on a CRT device or the like provided in the central monitoring room. To reduce the cost of the entire system,
It is an object of the present invention to provide a monitoring control system capable of easily coping with an increase or decrease in a field panel.

[0013]

In order to achieve the above object, according to the present invention, there is provided a monitoring system for a plant by a central monitoring and control device disposed in a site panel or a central monitoring room disposed on the site side. In a monitoring control system that performs control, a television camera device that shoots the field panel and transmits the obtained video signal to the central monitoring room, and a video that is arranged in the central monitoring room and transmitted from the television camera device While capturing the signal and displaying the video of the site panel,
When a predetermined image in the displayed on-site board image is touch-operated, a central monitoring control device that determines the touched image and controls the plant is provided.

According to a second aspect, in the supervisory control system according to the first aspect, the central supervisory control unit holds and displays switch position data indicating the position of each operation switch provided on the site panel. When each operation switch image in the scene board image is touch-operated, the touched position is compared with the switch position data to determine an operation switch corresponding to the touched operation switch image. .

According to the above construction, according to the first aspect, any one of the site boards provided on the site side is photographed by the television camera device arranged on the site side, and the video signal obtained thereby is obtained. Transmitting to the central monitoring and control device of the central monitoring room, while displaying the image of the site board, when a predetermined image in the displayed site board video is touch operated, determine the touched image Control the plant. In this way, when equipment installed on the site side breaks down, without going out to the site side from the central monitoring room,
With the same operation as on-site, you can deal with failures, etc.
Even if a device or the like breaks down, the recovery work can be quickly performed in a comfortable working environment, thereby dramatically improving the stability of the system.

According to a second aspect of the present invention, the central monitoring and control device holds switch position data indicating the position of each operation switch provided on each site panel, and displays each operation switch image in the displayed site panel image. When a touch operation is performed, the touched position is compared with the switch position data to determine an operation switch corresponding to the touched operation switch image. Thereby, the position of each operation switch provided on the site panel and the C provided in the central monitoring room
An algorithm for associating each operation switch image of an on-site panel image displayed on an RT device or the like with an algorithm is simplified, thereby reducing the cost of the entire system and easily coping with an increase or decrease in an on-site panel.

[0017]

FIG. 1 is a block diagram showing an embodiment of a supervisory control system according to the present invention.

The monitoring control system 1a shown in FIG. 1 includes a plurality of devices 2 constituting a plant such as a water supply plant and a sewage plant, a plurality of on-site panels 3 for controlling the operation / stop of each of the devices 2, and A television camera device 5 for photographing the operation surface 4 of the site panel 3, a central monitoring and control device 6 arranged in a central monitoring room or the like and centrally managing a plant to be monitored and controlled; A communication line 7 for interconnecting each device 2, each site panel 3, and a television camera device 5; and an operation surface 4 of each site panel 3 arranged on the site side by the television camera device 5.
Is supplied to the central monitoring and control device 6 disposed in the central monitoring room to display the screen of each site panel 3 (site panel image 8) and to display the field panel screen 7 When any one of the above switch images 9 is touched, control data corresponding to the touched switch image 9 is generated to control the site panel 3 and control the operation / stop of each device 2. Let it.

In this case, each of the on-site panels 3 has a casing 10 disposed near the equipment 2 to be controlled for operation / stop.
And a plurality of switches 11 arranged on the operation surface 4 of the housing 10, the operation contents of each switch 11 arranged in the housing 10, the contents of the control data supplied through the communication line 7, and the like. In response to this, among the devices 2 to be controlled, a process for controlling the operation / stop of the designated device 2 and each process based on the output from the sensor corresponding to each device 2 to be controlled. And a control board 12 for performing processing of generating state detection data indicating the state of the above and supplying the state detection data to the central monitoring and control device 6 via the communication line 7.

Then, based on the output from the sensor corresponding to each device 2 to be controlled, status detection data indicating the status of each process is generated, and this is transmitted via the communication line 7 to the central monitoring and control device. 6, among the devices 2 to be controlled, in accordance with the operation contents of the switches 11 arranged on the operation surface 4, the contents of the control data supplied via the communication line 7, and the like. The operation / stop of the designated device 2 is controlled.

Further, the television camera device 5 includes
Support member 13 installed at a position where the operation surface 4 can be photographed
And a television camera main body that captures an image of the operation surface 4 of each site panel 3 while being supported by the support member 13 and supplies the obtained video signal to the central monitoring and control device 6 via the communication line 7. 14, when a shooting start instruction is supplied via the communication line 7, the shooting is started, the operation surface 4 of each site panel 3 is shot, and the video signal obtained thereby is communicated. Central monitoring and control device 6 via line 7
To supply.

The central monitoring and control device 6 has a central processing unit 15 for performing various processes and a plurality of keys. When these keys are operated, various commands and various data are generated according to the operation contents. And a keyboard device 16 for supplying to the central processing unit 15 and a keyboard device 16 arranged on the central processing unit 15 and the like.
A CRT device 17 for displaying the content corresponding to the display signal output from the central processing unit 15 on the screen; and a CRT device 17 disposed on the front of the screen of the CRT device 17 to indicate a touch position when the screen of the CRT device 17 is touched. A touch panel device 18 for generating touch position data and supplying the touch position data to the central processing unit 15;

Then, when the keyboard device 16 is operated and the central mode is selected, each state detection data output from each site panel 3 is taken in via the communication line 7 and each of the components constituting the plant is taken. While displaying the state of the process on the screen, control data is generated in either the manual mode or the automatic mode based on the operation content of the keyboard device 16 and the detection content of the touch panel device 18, and, via the communication line 7, The control data is supplied to each site panel 3 to control the device 2 to be monitored and controlled.

When the keyboard device 16 is operated,
When the site mode is selected, the video signal output from the television camera device 5 is taken in via the communication line 7, and the keyboard device 16 is used to specify one of the site board images included in the video signal. The site panel image 8 is cut out and displayed on a screen, and as shown in FIG. 2, a switch unit 20 is formed by a site panel identification unit 19 formed on a memory by a program registered in the central processing unit 15. Is selected, and the site board information table 21 corresponding to the site board image 8 displayed on the screen is selected from the site board information tables 21 registered in advance.

Then, the on-site board image 8 displayed on the screen
When one of the switch images 9 above is touched,
According to a program registered in the central processing unit 15, the contents of the field board information table 21 selected by the switch unit 20 and the output from the touch panel device 18 are output by the CRT touch coordinate operation output code conversion unit 22 formed on the memory. Based on the touched position data to be touched, the number of the touched switch is detected to generate control data, and the control data is transmitted to each site panel 3 via the communication line 7.
To control the device 2 to be monitored and controlled.

Thus, in this embodiment,
The television camera device 5 takes an image of the operation surface 4 of each site panel 3 arranged on the site side, and supplies the obtained video signal to the central monitoring control device 6 arranged in the central monitoring room, and The contents of the operation surface 4 provided on the site panel 3 are displayed on the screen, and when any one of the switch images 9 on the operation screen is touch-operated, the control data corresponding to the touch-operated switch image 9 is displayed. Since it is generated and controls the site panel 3 to control the operation / stop of each device 2, the operation of each device 2 can be performed with the same operational feeling as being at the site while in the central monitoring room. Thus, when the equipment 2 provided on the site side breaks down, it is possible to deal with the failure by the same operation as the operation on the site side without going out to the site side from the central monitoring room. Further, since each device 2 can be controlled without leaving the central monitoring room, even if a failure occurs, appropriate measures can be taken in real time while monitoring the entire plant, thereby stabilizing the plant. Properties can be dramatically improved.

Further, even when the environmental conditions at the site are bad, the operator can easily and safely operate each device 2 while staying in the central monitoring room, thereby greatly reducing the burden on the operator. (The effect of claim 1).

In this embodiment, a field board information table 21 indicating the position of each switch 11 provided on each field board 2 is created and registered in the central processing unit 15, and a keyboard is prepared. The site board information table 21 is selected in response to an instruction from the device 16 to determine which switch 11 the switch image 9 touched by the operator corresponds to.
The algorithm for associating the position of each switch 11 provided on the CRT device with each switch image 9 of the field board image 8 displayed on the CRT device 17 provided in the central monitoring room can be simplified, As a result, the cost of the entire system can be reduced, and the increase or decrease of the field board 2 can be easily dealt with.

Further, in the above-described embodiment, the scene board image 8 in the video signal output from the television camera device 5 is cut out according to the operation contents of the keyboard device 16, but it is shown in FIG. As shown in FIG. 4, a plurality of television camera devices 5 are arranged on the site side, and as shown in FIG.
When one of the devices 2 is designated by operating the keyboard device 16 while the plant monitoring screen 23 is displayed on the device 17, one of the device images 24 provided on the plant monitoring screen 23 is displayed. When the user touches and the touch position data is output from the touch panel device 18, the switch unit 2 is determined by the operation device determination unit 25 formed on the memory by the program registered in the central processing unit 15.
6 to select the television camera device 5 that is shooting the device 2 specified as the operation target, and, according to a program registered in the central processing unit 15, an ITV swing unit 27 formed on the memory. By controlling the photographing direction of the television camera device 5, the operation target device 2 is photographed, and the obtained video signal is guided to the central processing unit 15 and displayed on the CRT device 17. You may do it.

With this configuration, it is possible to confirm whether or not the device 2 to be operated is actually operating simply by operating the central monitoring control device 6 of the monitoring control system 1b. be able to.

[0031]

As described above, according to the present invention, in the monitoring and control system according to the first aspect, when a device provided on the site side breaks down, it is possible to go out of the central monitoring room to the site side without going out to the site side. With the same operation as that performed in the above, it is possible to deal with failures, etc., so that even if equipment etc. breaks down, recovery work can be performed quickly in a comfortable working environment, dramatically improving system stability Can be improved.

In the monitoring control system according to the second aspect, the positions of the operation switches provided on the site panel correspond to the respective operation switch images of the site panel image displayed on a CRT device or the like provided in the central monitoring room. It is possible to simplify the algorithm at the time of this, reduce the cost of the entire system, and easily cope with the increase or decrease of the field panel.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a monitoring control system according to the present invention.

FIG. 2 is an explanatory diagram showing an operation example of the monitoring control system shown in FIG.

FIG. 3 is a block diagram showing another embodiment of the monitoring control system according to the present invention.

FIG. 4 is a schematic diagram showing an operation example of the monitoring control system shown in FIG. 3;

FIG. 5 is a block diagram showing an example of a conventionally known monitoring control system.

FIG. 6 is an explanatory diagram showing an operation example of the monitoring control system shown in FIG. 5;

[Explanation of symbols]

 1a, 1b: Surveillance control system 2: Equipment 3: Site panel 4: Operation surface 5: TV camera device 6: Central monitoring and control device 7: Communication line 8: Site panel image 9: Switch image 10: Housing 11: Switch 12 : Control board 13: Support member 14: Television camera body 15: Central processing unit 16: Keyboard device 17: CRT device 18: Touch panel device 19: Site panel identification unit 20: Switch unit 21: Site panel information table 22: CRT touch coordinates Operation output code conversion unit 23: Plant monitoring screen 24: Device image 25: Operation device determination unit 26: Switch unit 27: ITV swing unit

Claims (2)

[Claims] 1. A monitoring control system for monitoring and controlling a plant by a site panel arranged on the site side or a central monitoring control device arranged in a central monitoring room, wherein the site panel is photographed, and an obtained video signal is obtained. A television camera device for transmitting to the central monitoring room; and a video camera device arranged in the central monitoring room, for capturing the video signal transmitted from the television camera device and displaying the video of the site panel, and displaying the video of the site panel. And a central monitoring and control device that determines the touched image and controls the plant when a predetermined image is touch-operated. 2. The monitoring and control system according to claim 1, wherein the central monitoring and control device holds switch position data indicating the position of each operation switch provided on the site panel, and displays the site panel image. When each operation switch image inside is touch-operated, the touched position is compared with the switch position data to determine the operation switch corresponding to the touched operation switch image. system.