JPH09244739A - Monitor system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce accumulated data quantity and to easily retrieve data required at the time of analysis by switching the output of a unit information selection/output means by executing judgment from control information inputted by means of an operator or an input procedure. SOLUTION: Information on a video and sound, which are selected/outputted from a video/sound switch device 6, are outputted from a site ITV monitor 12 and a speaker 7 in a central monitor room and are inputted to a monitor controller 1. The monitor controller 1 accumulates information on the video and the sound of units in an auxiliary storage device 5. Operation information on the units from a monitor console panel 2 by the operators 3 and 4, time when an operation is executed and time for executing recording are recorded and accumulated for respective operation processings as data files. Thus, only necessary information is recorded and accumulated and accumulated data quantity can be reduced.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a monitoring system for monitoring a plant or the like.

[0002]

2. Description of the Related Art In a control system for equipment in a plant or the like, in a monitoring system for monitoring the system status and an operator who operates the system, in order to monitor the system status, a video or audio image of the equipment installation site is displayed. Is recorded and stored as video tape or digital data.

[0003]

It is an effective means to record video and audio in order to monitor the situation at the site, but conventionally, these video and audio at the site are irrelevant to the processing operation of the system. Since the data was constantly recorded and stored in the computer, the amount of video and audio data that had to be stored became enormous, which made it difficult to effectively utilize the data search required for analysis. .

As a means for solving the above problems, a method is conceivable in which the operator operates and stops the recording device and records only when necessary such as when the equipment is being operated. It is conceivable that the work load on the worker will increase and important data cannot be recorded due to an operation error by the operator.

An object of the present invention is to reduce the amount of data to be accumulated in a monitoring system in a plant or the like, which is used for analyzing abnormal conditions by recording and accumulating video and audio data for monitoring the state of the system. The purpose of the present invention is to provide a monitoring system that enables easy retrieval of various data.

[0006]

The present invention has the following means. The operation input means inputs control information for the device.

The device information selecting and outputting means selects and outputs the control information or the input procedure thereof from the video and audio information of a plurality of devices including the above device. The output unit outputs the video and audio information from the device information selection output unit.

The recording / storing means records and stores the video and audio information and the control information from the device information selecting / outputting means together with the time information, and the operation history recording means shows how the operator inputs the control information. Is recorded and stored together with the output from the output means.

According to the present invention, the output of the device information selecting and outputting means is switched based on the control information input by the operator through the operation inputting means or the input procedure thereof.
Only the necessary information is output from the output means and stored in the record storage means.

According to the present invention, the control information inputted by the operator through the operation input means or the input procedure thereof is judged, and the equipment information selecting and outputting means selectively outputs the information sent from the equipment. Only the necessary information is output from the output means and stored in the record storage means.

Further, since the recording / storing means records and stores the information only when the control information is input from the operation inputting means, the amount of information to be stored is reduced.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION As an embodiment of the present invention, an example of a monitoring system in a water purification plant will be given. FIG. 1 is a block diagram of an embodiment of the present invention.

In a general plant such as a water purification plant,
When controlling equipment such as the gate 15 and the motor A16 in the plant, the operator usually goes to the installation site of each equipment and does not perform an instruction operation, but a central monitoring located in a place far from the installation site of the equipment. Control is performed by centralized control from the room. In this case, the operators 3 and 4 who operate the control system of the plant, in order to control the devices 15 and 16, monitor monitors 11 and 13 that display the operating states of the control system and each device from the central monitoring room.
While watching, input necessary data from the control console 2 to control.

Each device is provided with an ITV camera for shooting the operating state and a microphone for collecting the operating sound in order to manage the operating condition (in the case of FIG. 1, the ITV camera 17 is provided at the gate 15). And microphone 1
8, the ITV camera 19 and the microphone 20) to the motor A16, and the video and audio information of each device imaged and collected by them are input to the video / audio switching device 6.

The supervisory controller 1 controls the entire system by inputting data from the control console 2 by the operators 3 and 4. Which device is selected depending on the operation status of the control console 2 by the operators 3 and 4. It has a function of determining whether or not an operation is being performed, and sending a control signal to the video / audio switching device 6 to switch the output. The video / audio switching device 6 has a function of selectively outputting predetermined information from the video and audio information of each device input from the ITV camera and the microphone installed in each device by a control signal from the monitoring control device 1. Have.

For example, when the operators 3 and 4 operate the control console 2 in the central monitoring room to operate the motor A16,
Based on the operation status, the monitoring control device 1 is currently using the motor A16
It is determined that the operation is performed on the video / audio switching device 6, and the video / audio switching device 6 selects the video and audio information from the ITV camera 19 and the microphone 20, which are the video and audio of the scene of the motor A16, and selects the control console 2 A control signal is sent to output to the field ITV monitor 12 above and the speaker 7 installed in the central monitoring room. As a result, the information of the motor A16 which is the target device of the operation is output to the field ITV monitor 12 and the speaker 7.

At this time, the video and audio information selectively output from the video / audio switching device 6 is the site I in the central monitoring room.
It is output from the TV monitor 12 and the speaker 7, and at the same time, input to the monitoring control device 1. The monitor control device 1 has a function of accumulating the video and audio information of these devices in the auxiliary storage device 5 as, for example, digital information, and the monitor control device 1 uses the video and audio information by the operators 3 and 4. The operation information of the device from the monitoring console 2 and the time information such as the time when the operation is performed and the time when the recording is performed are added and recorded and accumulated as the data file 100 for each operation process. Recording and storage of these are performed only when the control console 2 is operated by the operators 3 and 4 and operation control is performed on the device, so that only necessary information is recorded and stored, and the amount of data to be stored. Can be reduced.

Furthermore, the state in which the operators 3 and 4 are operating the equipment using the control console 2 and the state of the control console 2 are captured by the images on the monitor monitors 11 and 13 and the ITV camera. A video camera 8 installed in the central monitoring room, together with the video on the field ITV monitor 12 showing the video of the device to be operated, is shot to fit within one screen, and the sound in the central monitoring room at that time is also operated. The microphone 14 collects the on-site sound of the target device together with the sound of the speaker 7. The video / audio information from the video camera 8 and the microphone 14 is recorded and accumulated in the VTR 9 as the operation history of the operators 3 and 4 together with the time information.

The VTR 9 is operated by a control signal from the monitor control device 1 such as opening / stopping recording. VTR9
The video / audio information recorded in the TV monitor 10 can be independently controlled from the monitor control device 1 when necessary for analysis or the like.
Or through the video / audio switching device 6 and the monitor control device 1 to the on-site ITV monitor.

In the above configuration, for example, when the motor A16 is operated for maintenance and inspection, the operators 3, 4
When inputting control information from the control console 2 while looking at the monitor monitors 11 and 13 in which the state of the system and each device is displayed from the central monitoring room, these are input to the monitor controller 1 from the control console 2. Reportedly. Supervisory control device 1
Judges that the operation of the motor A16 is currently being performed based on the operation status of the control consoles 2 of the operators 3 and 4, and sends this control information to the motor A16, and at the same time, to the video / audio switching device 6. On the other hand, a control signal is sent to switch the output to the video and audio information from the ITV camera 19 and the microphone 20, which is the video and audio information on the spot of the motor A16. Upon receiving the control signal, the video / audio switching device 6 switches the output to the specified video and audio information of the motor A16 (information from the ITV camera 19 and the microphone 18 in the case of the motor A16). As a result, the on-site ITV monitor 12 and the speaker 7 on the control console 2 output the on-site image and sound of the motor A16 which is the operation target device. With this, the image and sound of the site of the device (motor A16) to be operated are linked to the operation by the operators 3 and 4, and are output to the site ITV monitor 12 and the speaker 7 in the central monitoring room in real time. Moreover, even if the device to be operated changes, the outputs of the ITV monitor 12 and the speaker 7 are automatically switched, so that a realistic operation can be performed in the central monitoring room.

The video and audio information from the ITV camera 19 and the microphone 20 from the video / audio switching device 6 is output to the central monitoring room from the on-site ITV monitor 12 and the speaker 7, and at the same time the monitoring control device 1 is provided. Entered in. The monitoring control device 1 executes a data recording process on the video and audio information to create a management information section 101 including time information and an operation information section 102 including operation information of the console 2, The management information section 101 and the operation information section 102 are added to the voice information and stored in the auxiliary storage device 5 as a data file 100.
By this processing, the video and audio information of the operating device is stored in the auxiliary storage device 5 as one file for each operation processing unit that needs to be stored together with time information, information on the operating status of the device, and the like.

FIG. 2 shows the structure of the data file 100. The data file 100 contains the time when the operation was performed,
The management information unit 101 that has time information such as the time of recording in a record, the identification information of the operator, the device to be operated, the operation intention information described below, and what kind of operation is performed from the control console 2 by the operator. The record has information such as the operation status of the control console 2 such as whether it has been performed, the output status of the video / audio switching device 6 (the kind of video / audio information output to the field ITV monitor 12 and the speaker-7). It is composed of an operation information unit 102 and a video / audio unit 103 which is information on the video and audio of the equipment site. When the information is searched for analysis by using the file structure as described above, the management information unit 101 or the operation information unit 102
It is possible to obtain the desired video / audio information by searching the records in the.

In addition, the monitoring control device 1 determines the intention of the operation of the device by the operation information section 102.
The operation intention management information stored in advance in the monitoring system is searched based on the information stored therein and added to the operation information section 102 of the data file 100 as the operation intention information.

FIG. 3 shows an example of the operation intention management information. The monitoring control device 1 includes the operation intention management information shown in FIG. 3 regarding the state of each switch of the control console 2 in the operation information unit 102, the output status of the video / audio switching device 6, and the operator identification information. The corresponding operation intention information is found by comparing with each value, and it is added to the operation information section 102 in the data file 100.

For example, when the operator 3 controls the operation of the motor A16 in order to inspect the motor A16, the switch on the control console 2 is set to perform the inspection (SW1-ON, SW2-OFF in the case of FIG. 3). , SW3-OF
F. . . ) Is operated. Further, the video / audio switching device 6 selectively outputs video and audio information of the site of the motor A16 so that the operator 3 can operate the motor A16 to be inspected while confirming the situation. When the above-mentioned operation is performed, the monitor control device 1 operates the switches such as the state of each switch of the control console 2, the output setting status of the video / audio switching device 6 and the operation information such as the identification information of the operator such as the person's name or ID, Information about the state of the plant sent to the monitoring and control device 1 not specifically explained (for example, the water level 1-
L, water level 2-H. . . ) Is compared with the operation intention management information as shown in FIG. 3 which is recorded and held in advance, and it is recognized that the operation by the operator 3 is operated with the intention of “inspection of the motor A”. The operation information section 102 is added to the above operation information as operation intention information.
And Then, video and audio information (information from the ITV camera 19 and the microphone 20 installed in the motor A) is added to the operation information unit 102 and the management information unit 101 such as time information as the video / audio unit 103, and this is added. The data file 100 is stored and accumulated in the auxiliary storage device 5.

Further, by predetermining the person in charge of processing the equipment for each operator, the operation intention management information is shown in FIG.
It can be configured as follows. As a result, for example, when the operator 3 in charge of inspecting the equipment operates from the operation control console 2 and the video / audio switching device 6 outputs the video and audio information of the motor A, the monitoring is performed. The control device 1 compares each value of the operation intention management information in FIG. 4 with the operator identification information such as the output status of the video / audio switching device 6, the operator name and the ID, and as a result, the above operation is performed. It is determined that the operation is performed with the intention of "inspecting the motor A", and this is added to the operation information as operation intention information to form the operation information unit 102, and the management information unit 101, the video / audio unit 103, and the auxiliary storage as the data file 100. Save and store in device 5.

Next, a description will be given of a case where the information of the device recorded and accumulated in the auxiliary storage device 5 is searched for the cause analysis of the device failure or the like. The monitoring control device 1 has a function of searching the video / audio information stored in the auxiliary storage device 5 based on the time when the information is recorded or the information of the operation performed on the device. I have it.

For example, when performing a failure analysis of the motor A16, when retrieving an image at the time of inspection of the motor A16, each of the control consoles 2 at the time of inspection of the motor A is based on the operation performed on the motor A16. By searching the operation information section 102 of the data file 100 stored in the auxiliary storage device 5 with the input state of the switch, the setting status of the video / audio switching device 6, the information of operator identification, etc. as search conditions. Necessary information such as video and audio information when an abnormality occurs in the motor A16 can be quickly searched, and the cause of failure can be analyzed from this.

As another method, by searching the operation intention information stored in the operation information 102 for the video / audio information regarding the operation intention, it is possible to easily retrieve the necessary video and audio information. It becomes possible to do.

For example, in the case of performing the above-mentioned search processing, the necessary video and audio information can be obtained by simply searching the record in the operation information section 102 of the data file 100 for the operation intention information "inspection of the motor A16" as a search condition. You can find it easily and quickly.

Next, as the video and audio information for monitoring the system state, the video information of the field of the equipment by the ITV cameras 17 and 19 and the microphones 18 and 20 accumulated in the auxiliary recording device 5 described above. A case will be described in which, instead of using the voice information at the site of the device, the video information captured by the camera 8 installed in the central monitoring room and the voice information collected by the microphone 14 installed in the central monitoring room are used.

When the operators 3 and 4 perform an operation input from the control console 2 for operating the equipment, the display contents on the screens of the monitor monitors 11 and 13 and the image from the ITV camera are displayed correspondingly. The image on the screen of the field ITV monitor 12 changes, and the state of the central monitoring room such as the operating status of the operators 3 and 4, the setting status of the control console 2, the monitoring monitors 11 and 13 and the video of the field ITV monitor 12 is displayed. Is
The camera 8 installed behind the control console 2 captures an image so that it fits within one screen.

The microphone 14 installed in the central monitoring room is used as an operating device for outputting voices in the central monitoring room such as confirmation of voice operation by the operators 3 and 4 and alarm sound by the monitoring control device 1 from the speaker 7. Collected together with on-site audio, these audio information are recorded by the VTR 9 together with the video information and time information by the camera 8.

When the cause and the like of the equipment are analyzed by using the video / audio information recorded and accumulated in the VTR 9, the control / monitoring system 1 first reads from the data file 100 in the auxiliary storage device 5 the equipment in which an abnormality has occurred. The time when the abnormality occurred in the target device is searched from the driving operation information of the operator, and the video / audio information recorded in the VTR 9 is searched using the information of the time when the abnormality occurred. The retrieved video / audio information is reproduced and output to the TV monitor 10 by independent control from the monitor control device 1 or to the on-site ITV monitor-12 through the video / audio switching device 6 and the monitor control device 1 before and after an accident occurs. The information in the VTR 9 is searched, and the cause of the accident occurrence is analyzed using the video / audio information.

FIG. 5 is a diagram of a screen shot by the video camera 8 in the central monitoring room and output to the monitor 10. Operators 3 and 4 are displayed on the screen 10 'of the TV monitor 10.
Operation status 3 ', 4', setting status 2'of each switch of the control console 2, screens 11 ', 13' on the monitor and the status of the system and each device, and the operation target. A screen 12 'on the field ITV monitor on which the status of the equipment being displayed is displayed together with time information on one screen, and voice information is output to the speaker 7.

As a result, all the necessary information is output at one time, so that the information density is high and it is possible to easily analyze by examining this. Moreover, since the video / audio information in the VTR 9 can be reproduced without passing through the monitor control device 1, the load on the monitor control device 1 can be reduced.

[0037]

As described above, according to the present invention,
When the operator operates the device, the on-site video and audio information of the device to be operated is automatically selected and output. It is possible to easily confirm whether or not it is possible to operate while confirming the situation at the site. Further, since the voice information is output only when the operation is performed, the working environment is improved and the operation of selecting the required voice is not necessary.

Further, the accumulation of the video and audio information indicating the past system state is recorded and accumulated only when the operator operates, so that the amount of information to be accumulated is reduced, and the operation information and the image are also accumulated. By accumulating together with voice information, it is possible to analyze a specific operation flow by associating the operation by the operator with the transition of the system state at the time of analysis.

Further, the operation intention of the operator is judged from the operation information, the operation intention is recorded and stored together with the video and audio information and the operation information, and the information stored by using the operation intention is recorded. Searching This makes it possible to easily search for the necessary information.

The operation status of the operator in the central monitoring room is recorded and accumulated together with the above-mentioned video and audio information and time information.
Since this information can be reproduced and output independently of the system, the burden on the system is reduced, and the information indicating the system status and the information indicating the status inside the central monitoring room are all output at one time. The information density is high, and analysis can be easily performed by examining this.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an embodiment according to the present invention.

FIG. 2 is a diagram showing a structure of an accumulated data file.

FIG. 3 is a diagram showing an example of operation intention management information.

FIG. 4 is a diagram showing another example of operation intention management information.

5 is a diagram showing a screen output to the monitor 10. FIG.

[Explanation of symbols]

 1 Monitoring and Control Device 2 Control Console 3, 4 Operator 5 Auxiliary Storage Device 6 Video / Audio Switching Device 7 Speaker 8 Video Camera for Central Monitoring Room 9 VTR Device 10 Monitor 11, 13 Monitoring Monitor 12 Site ITV Monitor 14 Central Monitoring Room Microphone 15 Field equipment (gate) 16 Field equipment (motor A) 17, 19 ITV camera 18, 20 Microphone 2'Control console on monitor 10 3 ', 4'Operator on monitor 10' On monitor 10 Screens 11 ', 13' Monitors on monitor 10 100 Data files 101 Stored data management information section 102 Stored data operation information section 103 Stored data video / audio section

Claims (7)

[Claims] 1. An operation input unit for inputting control information for a device, and a device information selecting and outputting unit for selectively outputting the control information or an input procedure thereof from video and audio information about a plurality of devices including the device. An output unit that outputs the video and audio information from the device information selection output unit; and a recording storage that records and stores the video and audio information and the control information from the device information selection output unit together with time information. And a monitoring system. 2. The control system according to claim 1, wherein the recording and storing means records and stores information only when control information is input from the operation inputting means. 3. An operation history recording means for recording and accumulating a state in which an operator inputs the control information together with output by the output means and time information.
Surveillance system. 4. The monitoring system according to claim 1, further comprising a searching unit that searches the video and audio information accumulated by the recording and accumulating unit from the control information and the time information. 5. The recording / storing means determines the operation intention of the operator from the control information, and records and stores the operation intention together with the video and audio information, the control information and time information. The monitoring system according to claim 1 or 2. 6. The monitoring system according to claim 5, wherein the operation intention is determined based on operator identification information and output from the device information switching means. 7. The monitoring system according to claim 5, further comprising an operation intention retrieving means for retrieving the video and audio information accumulated by the recording and accumulating means from the operation intention.