JP4352256B2 - Equipment status monitoring system - Google Patents

Description

  The present invention relates to a device state monitoring system that determines whether or not a controlled device controlled by a remote control device is operating normally.

In disconnector and grounding switch as the controlled device, the malfunction of the driving portion, even if an open in the signal from the distant control unit, the drive portion breaks in the middle of the operation, a short circuit at the time of transmission it may become.

  Since it is not possible to determine whether it is incompletely open or completely open from a distance, for example, in a railway power supply system, the train cannot be operated until the maintenance staff moves to the site, visually confirms and recovers. The influence of is great.

  In addition, in the case of a grounding disconnector that prevents electric shock of maintenance workers, if an incomplete operating state cannot be identified, it directly leads to a human life crisis.

  As a means for avoiding these problems, there is a method of monitoring the operation state in detail by adding a position sensor comprising a fixed contact (limiter) and a movable contact to the controlled device itself.

Japanese Patent Laid-Open No. 06-308205 (pages 4-5, FIGS. 1 and 2)

  In the above prior art, if there is an abnormality, it is necessary for the maintenance staff to move to the site and check the situation before taking action.

  For example, when conducting track maintenance work, safety grounding equipment that is critical to human life is generally installed near a substation that is far from the work position in the track section, and another worker is required to perform security. Since the track maintenance work is started after going to the equipment installation site and visually confirming it, time, cost, and workers are required to confirm the operation.

  In addition, the conventional device status monitoring system has a problem that the status of the controlled device cannot be monitored when an abnormality occurs in the remote control device.

  On the other hand, if only the image information of the camera is relied upon, there is a risk of misperception or misoperation due to human error such as oversight.

  The object of the present invention is to remotely check the status of controlled equipment from a remote monitoring and control device while eliminating human errors, eliminating the need for dispatching workers to the site, and confirming the time, cost, and work To reduce the number of workers.

In order to solve the above-described problem, the present invention controls a controlled device via a remote control device, determines the state of the controlled device based on a signal obtained from the controlled device, and displays it on the operation monitoring terminal. In a device status monitoring system having a remote monitoring and control device, the device includes a camera that detects the state of the controlled device, and the remote monitoring and control device records an image from the camera and control information from the remote control device. A past information database to be stored, image processing of the video from the camera is performed to determine whether the state of the controlled device is open or turned on, and the time required for the operation is calculated and stored in the past information database. The image / audio information processing means to be stored, the state of the controlled device determined by the image / audio information processing means and the control information of the remote control device It is compared whether or not the state of the control device matches, and the video from the mismatched camera is displayed on the operation terminal, and the time required for the operation calculated by the image / audio information processing means and the past And a device state comparing means for comparing the time required for the past operation of the controlled device stored in the information database to determine whether or not there is a difference.

Further, the controlled device includes a sensor, and the remote monitoring and control device receives information from the sensor and stores it in the past information database, information from the sensor and the past information database It can be set as the structure provided with the apparatus state comparison means which compares the sensor information memorize | stored and judges whether there is any difference.

  Also, the audio information, temperature information, gas information, and vibration information from the sensor are compared with the past information database to determine and display the state of the controlled device.

  According to the present invention, even if the controlled device malfunctions, for example, even when it stops in an intermediate state between opening and closing, a warning indicating that the device is not fully opened is based on the video from the camera. The equipment status monitoring system is displayed, which allows the commander to visually determine the local situation remotely and operate stably.

  Further, when used together with the status signal of the controlled device from the remote control device, more reliable monitoring is possible.

  Furthermore, if the information from the camera and the information from the sensor are compared and comprehensively determined, it is possible to grasp the necessity of maintenance and signs of abnormality as preventive maintenance of the controlled device, and to reduce the operation cost.

  Even when an abnormality occurs in the remote control device, the state of the controlled device can be monitored temporarily based on information from the camera and information from the sensor.

  Next, with reference to FIGS. 1-6, the Example of the apparatus state monitoring system by this invention is described.

  FIG. 1 is a block diagram showing a system configuration of a device state monitoring system according to the present invention.

  A general device status monitoring system includes a remote monitoring control device 1 that performs remote control and monitoring, an operation monitoring terminal 2 that executes control operations, monitoring display, and display of abnormal signs and abnormal states of controlled devices, The communication line 3 includes a remote control device 4 that receives and executes remote control and transmits status information, and a controlled device 5 that is a target of control and monitoring.

  In the present invention, the camera 7 that captures the controlled device 5 and outputs images and sounds, and collects information such as the operating sound, temperature, ambient odor and gas generated by the controlled device 5 and abnormal operation. And a remote monitoring device 6 that controls the camera 7 and the sensor 8 according to a command from the remote monitoring control device 1 and transmits information obtained by the camera 7 and the sensor 8 to the remote monitoring control device 1. The monitoring control function of the remote monitoring control device 1 is strengthened.

The remote monitoring control device 1 receives and classifies information from the sensor 8, processes it, records it in the past information database 1A, and receives information from the camera 7, classifies it, processes it, and stores it in the past information database 1A. an image audio information processing unit 1D for recording, a device monitoring control means 1E for monitoring control via the distant control unit 4, the sensor information processing unit 1C information and image and audio processing unit 1D information and equipment monitoring control unit 1E It includes a device state comparison unit 1B that detects an abnormality by comparing information and information in the past information database 1A.

  The remote control device 4 and the remote monitoring device 6 may be integrated devices, or may be dedicated devices each equipped with a microprocessor.

  FIG. 2 is a schematic diagram showing an open state in a rotary disconnector as an example of the controlled device 5.

  The rotary disconnector 5 includes a power device 52 that operates by a remote operation, a rotary contact plate 53 having a contact, an operation rod 54 that transmits power from the power device 52 to the rotary contact plate 53, and a rotary contact plate 53. And a conductive wire 55 which forms a circuit in contact with the.

  The remote control device 4 communicates with the remote monitoring control device 1 via the line 3, transmits a control signal and an operation signal from the remote monitoring control device 1 to the power device 52, and transmits a status signal of the power device to the remote monitoring control. Transmit to device 1.

  The remote monitoring device 6 communicates with the remote monitoring control device 1 through the line 3 and detects an image signal from the camera 7 that captures the state of the rotating contact plate 53 and a sound, gas, temperature, vibration, and the like. 8 is received and transmitted to the remote monitoring control device 1.

  FIG. 3 is a schematic diagram showing a closing state in a rotary disconnector as an example of the controlled device 5.

  When the power unit 52 rotates the rotary contact plate 53 from the open state of FIG. 2, the contact is made with the conducting wire 55, a circuit is formed, and the input state is entered.

  FIG. 4 is a diagram illustrating an example of a database configuration of the past information database 1A.

  The past information database 1A includes an image database 1A01 that stores image information of the camera 7 and a sensor database 1A02 that stores information of the sensor 8.

  The image database 1A01 includes a current image storage 1A011 and an image processing result storage 1A012.

  The current image storage 1A011 is a database that always stores information from the camera 7 for each controlled device 5.

  The image processing result storage 1A012 determines whether the controlled device 5 is open or turned on by the image / sound information processing means 1D based on the information in the current image storage 1A011, and stores the result and the time required for the operation. Database.

  The sensor database 1A02 is a database that stores voice information, gas information, temperature information, and vibration information received from the sensor 8 at predetermined time intervals.

  FIG. 5 is a flowchart showing the processing procedure of the image / audio information processing means 1D and the device state comparison means 1B.

  Step 501: Activated when image information is received from the camera 7.

  Step 502: Accept image information.

  Step 503: The received image information is recorded in the current image storage 1A011 of the image database 1A01 of the past information database 1A.

  Step 504: Based on the received image information, it is determined whether the state of the operating part of the controlled device is open, input, or indeterminate, and the operation time from the start of the controlled device to the end thereof is calculated.

  Step 505: The state of the controlled device signal by the device monitoring control means 1E is compared with the state of the controlled device determined in Step 504.

  Step 506: A warning is output when it is determined in step 505 that they do not match.

  Step 507: In step 505, when it is determined that there is a mismatch, the video from the camera that does not match is automatically displayed on the operation monitoring terminal 2.

  Step 508: In step 504, the calculated operation time of the controlled device and the past operation time of the controlled device recorded in the image processing result storage 1A012 are compared to determine whether there is a difference.

  Step 509: If it is determined in step 508 that there is a difference, a warning is output.

  Step 510: The state and operating time of the controlled device, which are the processing results in step 504, are recorded in the image processing result storage 1A012.

  Step 511: The process ends.

  FIG. 6 is a flowchart showing the processing procedure of the sensor information processing means 1C and the device state comparison means 1B.

  Step 601: Activated when information is received from the sensor 8.

  Step 602: Accept sensor information.

  Step 603: In step 602, the audio information in the received sensor information is compared with the past audio information recorded in the sensor database 1A02 of the past information database 1A to determine whether there is a difference.

  Step 604: A warning is output when it is determined in step 603 that there is a difference.

  Step 605: In step 602, the temperature information in the received sensor information is compared with the past temperature information recorded in the sensor database 1A02 of the past information database 1A to determine whether there is a difference.

  Step 606: A warning is output when it is determined in step 605 that there is a difference.

  Step 607: In step 602, the gas information in the received sensor information is compared with the past gas information recorded in the sensor database 1A02 of the past information database 1A to determine whether there is a difference.

  Step 608: A warning is output when it is determined in step 607 that there is a difference.

  Step 609: In step 602, the vibration information in the received sensor information is compared with the past vibration information recorded in the sensor database 1A02 of the past information database 1A to determine whether there is a difference.

  Step 610: A warning is output when it is determined in step 609 that there is a difference.

  Step 611: In step 602, the received sensor information is recorded in the sensor database 1A02.

  Step 612: End.

  In an actual device status monitoring system, the processing procedure of FIG. 5 and the processing procedure of FIG. 6 may be executed independently, or both may be executed in succession. Which of the processing procedure of FIG. 5 and the processing procedure of FIG. 6 is executed first is arbitrary.

It is a block diagram which shows the system | strain structure of the apparatus state monitoring system by this invention. It is the schematic which shows the open state in the rotary disconnector as an example of the to-be-controlled device. It is the schematic which shows the injection state in the rotary type disconnector as an example of the to-be-controlled apparatus 5. FIG. It is a figure which shows an example of the database structure of the past information database 1A. It is a flowchart which shows the process sequence of the image sound information processing means 1D and the apparatus state comparison means 1B. It is a flowchart which shows the process sequence of 1 C of sensor information processing means, and the apparatus state comparison means 1B.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Remote monitoring control apparatus 1A Past information database 1B Equipment state comparison means 1C Sensor information processing means 1D Image audio information processing means 1E Equipment monitoring control means 2 Operation monitoring terminal 3 Line 4 Remote control apparatus 5 Controlled equipment (rotary disconnector)
52 Power Device 53 Rotating Contact Plate 54 Operation Bar 55 Conductor 6 Remote Monitoring Device 7 Camera 8 Sensor

Claims (4)

In a device state monitoring system having a remote monitoring control device that controls a controlled device via a remote control device and determines a state of the controlled device based on a signal obtained from the controlled device and displays the state on an operation monitoring terminal.
A camera for detecting the state of the controlled device;
The remote monitoring and control device has a past information database that records video from the camera and control information from the remote control device, and performs video processing from the camera to release the state of the controlled device. Image / audio information processing means for determining whether it is input or indeterminate and calculating the time required for the operation and storing it in the past information database, and the state of the controlled device determined by the image / audio information processing means And whether or not the state of the controlled device matches the control information of the remote control device, and displays the video from the camera that does not match on the operation terminal, and is calculated by the video / audio information processing means Whether there is a difference between the time required for the operation performed and the time required for the past operation of the controlled device stored in the past information database Equipment condition monitoring system, characterized in that a device-state comparison means for determining whether. In the equipment state monitoring system according to claim 1,
The controlled device includes a sensor;
The remote monitoring and control device compares information from the sensor with sensor information stored in the past information database by comparing sensor information processing means for receiving information from the sensor and storing it in the past information database. An apparatus state monitoring system comprising apparatus state comparing means for determining whether or not there is a difference . In the apparatus state monitoring system according to claim 2 ,
The apparatus state monitoring system, wherein the sensor includes a temperature sensor that detects a temperature and / or an ambient temperature of the controlled apparatus, a sensor that detects gas, and a sensor that detects vibration. In a device state monitoring method for controlling a controlled device via a remote control device and determining a state of the controlled device based on a signal obtained from the controlled device,
The video from the camera that detects the state of the controlled device is image-processed to determine whether the state of the controlled device is open or turned on, and the state of the controlled device and the control of the remote control device based on the determination It is compared whether or not the state of the controlled device by the information matches, and the time required for the operation of the controlled device is calculated by performing image processing on the video from the camera, and the stored device is stored in advance. A device state monitoring method comprising: comparing a time required for past operation of a control device to determine whether or not there is a difference .

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