JPH02103697A - remote monitoring device - Google Patents

Abstract

PURPOSE:To reduce the load of the control engineers working at the monitor station side by securing such a constitution where a station to be monitored decides the wrong transmission of information and performs a process to secure a defenseless state for a prescribed time and then sends only the necessary information to the monitor station in case an information medium is loaded into a reading device and the blocking information is read out. CONSTITUTION:When an information medium IC is loaded into a reading device HT, the blocking information is read out to prevent the transmission of information to a monitor station C. This blocking information is written into storage device RM via a writing means WT and held by a holding means KP for a prescribed time. Therefore a station T to be monitored performs a process to invalidate the wrong transmission of information, if intended by a maintenance job, for a prescribed time, e.g., for a maintenance period. As a result, the station T can transmit only the necessary information to the station C. Thus it is possible to reduce the load of the control engineers working at the station C.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to remote monitoring@location, and particularly to remote monitoring where a monitoring station monitors the status of equipment in a monitored station based on notifications from the monitored station. Regarding monitoring equipment.

[Conventional technology]

In conventional remote monitoring devices, a monitored station determines an abnormal condition based on the status signals of equipment installed in a building, and sends a report to the monitoring station via a telephone line. The communication control unit receives an abnormality signal from the computer, the central processing unit determines the terminal device number, equipment type, failure status, etc., and prints out an abnormality report from the printing unit depending on the content of the abnormality. The abnormal conditions are displayed on the display section, and the contents of these abnormal conditions are stored in the storage section as a failure history.

However, in the notifications from the monitored stations, when performing maintenance work such as inspection, repair, and replacement of equipment,
A failure condition may occur by chance while a maintenance worker is turning on or off the power switch or detection switch, resulting in an erroneous alarm being issued even though no abnormality has occurred. In contrast, the controller at the monitoring station must first determine whether the alarm is a false alarm based on the maintenance work schedule, so if the alarm is due to a real malfunction, it will be difficult to respond immediately. At the same time, the burden on air traffic controllers was also increasing.

Therefore, in order to solve these drawbacks, we developed the
As described in Publication No. 40695, the monitoring station is equipped with a storage unit that stores maintenance work schedules for equipment and equipment, and false alarms due to maintenance work are ignored. This makes it possible to respond only to reports, increasing readiness and reducing the burden on air traffic controllers.

[Problem to be solved by the invention]

Since conventional remote monitoring@stations were configured as described above, it was necessary to input the maintenance work schedule for each monitored station into the storage unit of the monitoring station, which reduced the burden on air traffic controllers. On the contrary, it gets bigger.

Additionally, as the number of monitored stations monitored by a monitoring station increases, the storage capacity must be increased from time to time.
Furthermore, even if an erroneous alarm due to maintenance work is ignored within the monitoring station and not notified to the air traffic controller, the alarm will be sent to the monitoring station via the telephone line, increasing telephone usage charges.

An object of the present invention is to provide a remote monitoring device that allows a monitored station to issue only necessary notifications to a monitoring station.

[Means to solve the problem]

In order to achieve the above object, the present invention has been made to
a reading device provided in the monitored station for reading out the blocking information from the information medium;
When the information medium is attached to the reading device and read out, a writing means for writing blocking information into a storage device provided in the monitored station, and after the blocking information is written and stored in the storage device. and holding means for holding this blocking information for a predetermined period of time.

[For production]

Since the remote monitoring device according to the present invention has been constructed as described above, when the information medium is attached to the reading device and read out, the blocking information for blocking the operation of issuing an alarm to the monitoring station is read out, and this blocking information is read out. The monitored station is written into the storage device by the writing means and held by the holding means for a predetermined period of time.

Even if an erroneous alarm is to be issued due to maintenance work, the alarm will be invalidated during a predetermined period of time, such as a maintenance work period. Therefore, it is no longer necessary for air traffic controllers at the monitoring station to perform maintenance work according to the equipment maintenance work schedule, as was the case in the past.
There is no need to increase the storage capacity of the monitoring station as the number of monitored stations increases. Further, since false alarms are processed within the monitored station and do not go through the telephone line, telephone usage charges can be reduced to the minimum necessary.

〔Example〕

An embodiment according to the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a remote monitoring device that monitors the status of equipment installed in a building monitors the status of equipment based on status signals from sensors S and ~Sn installed in each equipment. It consists of a monitored station T to be discriminated and a monitoring station C connected to the monitored station via a telephone line. This monitored station T is.

A communication control unit H8, which is an interface for performing data communication with a communication control unit in a monitoring station C (not shown), and a sensor S
,~Sn, a processing unit BS that processes status signals from the monitoring station C and processes instructions from the monitoring station C, and a processing unit BS that stores the maintenance work schedule unique to the monitored station T and It is composed of a storage device RM that stores changed data sent via a telephone line.

Furthermore, a reading device HT, which is started by a start switch SW, is connected to the monitored station T, and reads blocking information for blocking the alarm operation to the monitoring station C from the information medium IC that stores it. NCL is here.

In this embodiment, this information medium IC is constituted by an iCX memory card, and this button stores in advance an equipment number for determining the equipment to be maintained.

In addition, magnetic disks, optical disks, magnetic tapes, etc. can also be easily implemented. The blocking information stored in these information media IC is written into the storage device RMK by the writing means WT.

It is held by the holding means KP during a predetermined period, for example during maintenance work.

The remote monitoring device having such a configuration is operated based on the flowchart shown in FIG.

As shown in step 001, if a failure occurs in a certain equipment, the sensor Sn senses it and sends a status signal to the monitored station T, as shown in step 002.

On the other hand, in step 010, the information medium IC storing the prevention information for preventing alarms from being sent to the monitoring station C is loaded into the output device HTK, and in step 011, the prevention information is read out and written by turning on the start switch SW. The data is stored in the storage unit [RM through the loading means WT. This memorized blocking information.

The data is held for a predetermined time by the holding means KPK indicated by step 012, and when that time has elapsed, the process moves to step OI3 and is deleted.

In this way, as shown in step 003, information based on the maintenance work schedule is read out, and the status signal from sensor Sn is compared in step 004 to determine whether maintenance work is being performed on the equipment that is thought to have failed. to judge. If maintenance work is in progress, the notification will be regarded as a false alarm and the process will be terminated, so that no notification will be sent to the monitoring station C via the telephone line. If maintenance work is not in progress, it is assumed that there is a real abnormality, and an alarm operation is performed in step 005, and an alarm is issued to the monitoring station C via the first communication control unit H8 and the telephone line. On the monitoring station C side, the notification is received in step 020, and in step 021, this notification is notified as a failure, and immediate measures are taken to deal with the equipment in which the failure has occurred.

As a result, even if a false alarm occurs due to maintenance work on equipment, such as turning on or off the 1M source switch or detection switch,
Since the monitored station does not judge it as a false alarm, unnecessary alarms are eliminated and telephone usage charges can be reduced to a minimum of 4. Furthermore, since the maintenance work schedule is maintained at each monitored station, air traffic controllers can concentrate only on real abnormalities, and it is also possible to avoid adding a storage section for monitored stations to the monitoring station. Furthermore, since the blocking information is automatically canceled after a predetermined period of time has passed after being stored, there is no possibility that a real abnormality will not be reported due to forgetting to cancel the blocking information.

〔Effect of the invention〕

As explained above, in the present invention, when blocking information is read out using a readout device such as an information medium, the monitored station can perform maintenance work even if the alarm condition is established from this equipment to the monitoring station. Since the alarm is determined to be a false alarm and disabled for a predetermined period of time, only the necessary alarm can be issued to the monitoring station.

This eliminates the need for air traffic controllers to coordinate maintenance work schedules for each piece of equipment on the monitoring station side, reduces telephone usage fees associated with unnecessary alarms, and furthermore, increases the number of monitored stations. There is no need to worry about adding a storage unit on the station side.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a remote monitoring device according to an embodiment of the present invention, and FIG. 2 is a flowchart showing its operation. C: Monitoring station, HT: Reading device, I
C... Information medium, KP... Holding means,
L...Telephone line, RM...Storage device%
T...Monitored station, WT...Group/Writing means.

Claims (1)

[Claims] 1. This monitoring station is equipped with a monitored station that determines the status of the equipment installed in the building based on status signals from the equipment, and a monitoring station that is connected to the monitored station via a telephone line. is a remote monitoring device that performs processing based on the notification from the monitored station and monitors the status of the equipment, and is provided corresponding to the equipment and performs an alarm operation for the monitoring station. An information medium storing blocking information to be blocked is provided, a reading device provided in the monitored station reads out the blocking information from the information medium, and reading is performed by attaching the information medium to the reading device. a writing means for writing the blocking information in a storage device provided in the monitored station; and a holding device for holding the blocking information for a predetermined period of time after the blocking information is written and stored in the storage device. A remote monitoring device characterized by comprising: