JP6074376B2 - Remote monitoring system - Google Patents

Description

  The present invention relates to a remote monitoring system that detects the occurrence of an abnormality in the facility of the building by a monitoring device installed in the building and monitors the occurrence of the abnormality at a plurality of monitoring centers provided at remote locations.

  As described in Patent Document 1, a conventional remote monitoring system is provided with monitoring devices in scattered buildings, and a communication network such as a public telephone line is provided between the monitoring device and a receiving server device of the remote monitoring system. It is configured to connect via. In this configuration, the monitoring device electrically monitors the building equipment day and night, and reports to the receiving server device via a communication network such as a public telephone line if there is a failure in the building equipment.

  This monitoring system includes a receiving server device and a plurality of monitoring centers.

  Each monitoring center monitors the failure of other monitoring centers. When a monitoring center failure is detected, an alternative monitoring center is determined to take over the monitoring operation of the monitoring center where the failure occurred, and a substitute response is sent by the alternative monitoring center. It was carried out.

JP 2004-118689 A

  In the conventional remote monitoring system, each monitoring center has an individual system configuration including a receiving server device and a monitoring center, and thus there is a problem that a large amount of cost is required for construction when it is introduced as an alternative center. In addition, since the databases between the monitoring centers are not linked, there is a problem that even if the switching to the alternative center is performed, it is difficult to grasp the real-time status of the operation of the alternative center and to recover the failure of the monitoring center.

  The purpose of the present invention is to eliminate the need for database linkage when a substitute operation is performed at an alternate monitoring center for a monitoring operation monitored at the monitoring center when a failure occurs in the equipment or communication line of each monitoring center, And it is providing the remote monitoring system which makes it possible to reduce installation cost compared with the prior art.

In order to achieve this object, the present invention provides a monitoring device installed in a building and having a function of detecting an abnormality of the facility of the building and notifying the abnormality via a first communication network, and a plurality of monitoring devices Multiple monitoring centers consisting of tables,
A receiving server device having a function of receiving the notification from the monitoring device and distributing the notification to the monitoring center via a second network;
The reception server device transmits a broadcast packet including a reception availability code specifying a reception method to the monitoring center, and the monitoring center receives the broadcast packet and performs processing according to the reception availability code. And

  Further, the present invention is characterized in that the second communication network is a communication network of the same broadcast segment.

  The communication network for the same broadcast segment of the present invention is a wide area Ethernet (registered trademark) network.

  Also, the reception availability code of the present invention is characterized in that it has at least one type of limited reception and all reception states.

  The reception availability code according to the present invention is generated from a life / death confirmation performed at a predetermined time interval from the reception server device to the monitoring center.

  In addition, the monitoring center of the present invention receives all broadcast packets, and when the reception availability code included in the broadcast packet is the limited reception, the reception of the type designated in advance by the monitoring center Only the broadcast packet having the availability code is processed, and when the reception availability code included in the broadcast packet is the total reception, all the broadcast packets are processed.

  The processing of the monitoring center according to the present invention is a connection request from the monitoring center to the receiving server device.

  The first communication network of the present invention is a public telephone line or a public network.

  Since the present invention designates a reception propriety code indicating whether each monitoring center performs limited reception or full reception in a broadcast packet transmitted from the receiving server device to each monitoring center by broadcast communication, The monitoring center can perform proxy monitoring immediately at each monitoring center without being linked to other monitoring centers. In addition, since it is not necessary to provide a storage device such as a receiving server device or a database for each monitoring center, the construction cost of an alternative center can be reduced.

It is a block diagram which shows the structure of one embodiment of the remote monitoring management system of this invention. It is a flowchart which shows the life-and-death monitoring check procedure of a monitoring table. It is a figure which shows the structure of the table which manages the life-and-death monitoring of a monitoring table. 5 is a flowchart showing a form of transmitting abnormality information to the monitoring console via the server device. It is a figure which shows the structure of the bill master table which manages a reception propriety code. It is a figure which shows the structure of the notification information table which manages the notification reception history.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a schematic configuration diagram showing an embodiment of a remote monitoring system according to the present invention.
As shown in FIG. 1, in the remote monitoring system according to the present embodiment, monitoring devices 11A and 12A are installed in the monitoring area 1A, and monitoring devices UB and 12B are installed in the monitoring area IB. Each monitoring device is connected to the server device 2A via the public telephone line 5. The server device 2A includes a line control device 21 connected to the public telephone line 5, a reception control device 22, a storage device 23 such as a database, and a monitoring center transmission / reception control device 24.

  The monitoring center transmission / reception control device 24 of the server device 2 is connected to the monitoring center 3A that monitors the monitoring area 1A and the monitoring center 4A that monitors the monitoring area IB via the monitoring center network 6. Here, the monitoring center network 6 is a wide area Ethernet network that is a communication network of the same broadcast segment. Therefore, both the monitoring center 3A and the monitoring center 4A can receive the broadcast packet transmitted from the monitoring center transmission / reception control device 24.

  Monitoring tables 31 and 32 are installed in the monitoring center 3A of the monitoring area lA, and monitoring tables 41 and 42 are installed in the monitoring center 4A of the monitoring area IB.

  The monitoring devices llA and 12A are electrically connected to equipment, security devices, disaster prevention devices, etc. installed in the building or the like to be monitored in the monitoring area lA, and detect an abnormality or a recovery state by a change in an electric signal. Is. Similarly, the monitoring devices 11B and 12B are electrically connected to equipment devices, crime prevention devices, disaster prevention devices, etc. installed in buildings to be monitored in the monitoring area 1B. It is something to detect.

  When the monitoring device llA, 12A, llB, 12B detects a reporting factor by a change in an electrical signal output from an equipment device, a crime prevention device, a disaster prevention device, etc., the line control of the server device 2A via the public telephone line 5 Report to device 21. When the line control device 21 normally receives the notification information from each monitoring device, the line control device 21 disconnects the public telephone line 5 and transmits the content of the notification to the reception control device 22. The reception control device 22 stores the received notification content in the storage device 23, and the monitoring center transmission / reception control device 24 displays the notification content on the monitoring table of each monitoring center 3A, 4A based on the information stored in the storage device 23. 31, 32, 41, and 42 are notified by broadcast communication such as UDP packets.

  In the state of normal operation, the contents of the notification from the monitoring devices 11A and 12A installed in the monitoring area 1A are displayed on the monitoring consoles 31 and 32 of the monitoring center 3A that monitors the monitoring area 1A. The contents of the notification from the monitoring devices llB and 12B installed in 1B are displayed on the monitoring consoles 41 and 42 of the monitoring center 4A that monitors the monitoring area 1B.

  The content displayed on the monitoring console for the contents of the report varies depending on the operating status of each monitoring console 31, 32, 41, 42. Normally, reports from the monitoring areas 1A and IB are displayed on the monitoring consoles of the corresponding monitoring centers 3A and 4A. This is because the monitoring consoles 31, 32, 41 and 42 are operating normally. Is the time. A procedure for determining whether each of the monitoring tables 31, 32, 41, 42 is normal will be described below.

FIG. 2 is a flowchart showing the life / death check procedure of the monitoring console in the monitoring center transmission / reception control device 24 of the server device 2A, and FIG. 3 is a table for managing the status of the monitoring console in the storage device 23.
The operation of checking the life and death of each monitoring table will be described with reference to FIGS.

  In the table of FIG. 3, codes that do not overlap the center No. field Fl are assigned in advance to the monitoring tables 31, 32, 41, and 42. For example, 001 for the monitoring console 31 of the monitoring center 3A that monitors the monitoring area 1A, 0002 for the monitoring table 32, 003 for the monitoring table 41 of the monitoring center 4A that monitors the monitoring area 2A, and 004 for the monitoring table 42. It is numbered.

  Also, in the table of FIG. 3, an area field F2 is defined in which each monitoring table 31, 32, 41, 42 is defined as to which monitoring area is to be managed, and “1” is registered in the area field F2. If “2” is registered, it becomes a monitoring table for monitoring the Osaka area jurisdiction.

  First, the procedure for checking the life and death of each monitoring table will be described. When each monitoring table is in a normal state, each monitoring table 31, 32, 41, 42 is connected to the server device 2A at a constant cycle such as a 30-second cycle, and the center of the table in FIG. For example, the current time + 5 minutes future time is written in the access time field F3 of the record in which the No field Fl corresponds to the own center No.

  Next, the procedure in which the server apparatus 2A performs the life / death check of each monitoring console will be described with reference to the flowchart of FIG. First, the server apparatus 2A confirms the access time F3 of the life / death monitoring table for all records of the monitoring console (step S1), and determines whether the access time is past the current time (step S2).

  Here, when the access time is a time later than the current time, it is determined that the monitoring console is normally connected, but the access time is a time past the current time. Determines that the connection with the monitoring console is abnormal, and writes an abnormal value “1” in the operation state field F5 of the record of the corresponding monitoring console (step S2).

  Next, the server apparatus 2A confirms the write status of the access time F3 of the monitoring console for all the records having the value of the area field F2 that is the same value as the area field F2 of the monitoring console where the abnormality has occurred. . In all these records, if the access time is not past the current time, some of the monitoring tables in the area determine that the access is abnormal and complete the confirmation (step S3), but access is made in all these records. If the time is earlier than the current time, it is determined that all monitoring consoles in the area or network communication with the area are abnormal (step S3), and the value of the substitution state field F4 is not substituted. It is rewritten from “0” to “1” during substitution, the abnormality occurrence in the area is notified to the monitoring center in the normal area (step S4), and substitution monitoring of the failure area is started in another area.

  Next, a procedure for transmitting abnormality occurrence information of equipment such as an elevator that the monitoring device monitors to each monitoring console via the server device 2A will be described with reference to FIG.

  First, when an abnormality occurs in equipment such as an elevator (step S10), the monitoring device detects that an abnormality has occurred in the equipment being monitored based on a voltage change of the contact signal (step S11). Next, the monitoring apparatus notifies the server apparatus 2 that an abnormality has occurred in the facility via the public telephone line 5 (step S12).

  On the other hand, the server device 2A receives an abnormality occurrence notification from the terminal device (step S13), and writes the corresponding data in the notification information table for managing the notification reception history (step S14).

  Here, the structure of a notification information table for managing the notification reception history will be described with reference to FIG.

  The reception record field F1 of the notification information table is a unique record number that is newly assigned each time a notification is received. In the building name field F2, the name of the building where the monitoring terminal is installed is registered as the building information master, and is the name of the building that is written by quoting from the building information master. The abnormality occurrence time field F3 is a time when the abnormality occurs, and a recovery time field F4 is a time when the abnormality is recovered. Finally, the monitoring facility name field F5 is a field in which the surrogate state of the monitoring center is written when an abnormal report is received.

  Next, the server apparatus 2A refers to the building master table shown in FIG. 5 and extracts a reception availability code for determining whether or not the monitoring console in the corresponding area can be received for each report (step S15).

  Next, the server device 2A creates data to be transmitted to the monitoring console (step S16). As shown in FIG. 5, the data to be transmitted to the monitoring console is composed of a reception enable / disable code field F6 and a reception record field F7. The reception record field F7 is a unique code for specifying the notification in association with the reception record field F8 registered in the table for managing the notification reception history in FIG. In addition, the reception availability code F6 of each reception record is recorded as an area corresponding to the base, for example, “01” in the Tokyo jurisdiction, and “02” in the Osaka jurisdiction, according to the operating status of each monitoring console. .

  Here, if a failure occurs in all the monitoring consoles in one of the areas, switch to the proxy monitoring mode in the other area, and the Tokyo + Osaka jurisdiction “00” includes the area where the failure has occurred. Is recorded.

Next, the monitoring center transmission / reception device 24 of the server device 2A transmits the contents of the created record to all the monitoring consoles by broadcast communication using, for example, a UDP packet at the same time as creating data to be transmitted to the monitoring console (step S17).
Each monitoring console side receives data transmitted by broadcast communication from the monitoring center transmitting / receiving device 24 of the server device 2A (step S21), and determines whether or not the reception availability code included in the received data is an installation area of the monitoring console. (Step S22). If the reception availability code is not the installation area of the monitoring console, the received data is discarded and the process ends (step S24). If the reception availability code is the installation area, the reception record is transmitted to the server device (step S23).

  The server device 2A receives from the monitoring console (step S18), acquires detailed abnormality occurrence information such as a building name and monitoring facility information from the storage device 23 based on the received reception record (step S19). The abnormality occurrence information is distributed to the monitoring console (step S20), and the process is terminated.

  The monitoring console receives the abnormality occurrence information from the server device (step S25), and displays the abnormality information on the monitoring console with reference to the received abnormality occurrence information (step S26).

1A Monitoring area 11A, 12A Monitoring device 1B installed in monitoring area 1A Monitoring area 11B, 12B Monitoring device 2A installed in monitoring area 1B Server device 21 Line control device 22 Reception control device 23 Storage device 24 Monitoring center transmission / reception device 3A Monitoring area 1A monitoring center 31, 32 Monitoring table 4A Monitoring area 1B monitoring center 41, 42 Monitoring table 5 Public telephone line 6 Monitoring center network

Claims (8)

A monitoring device installed in a building and having a function of detecting an abnormality of the facility of the building and reporting the abnormality via a first communication network;
Multiple monitoring centers consisting of multiple monitoring consoles;
A receiving server device having a function of receiving the notification from the monitoring device and distributing it to the monitoring center via a second network;
Consists of
The reception server device transmits a broadcast packet including a reception availability code specifying a reception method to the monitoring center, and the monitoring center receives the broadcast packet and performs processing according to the reception availability code. Remote monitoring system. The remote monitoring system according to claim 1, wherein
The remote monitoring system, wherein the second communication network is a communication network of the same broadcast segment. The remote monitoring system according to claim 2, wherein
A remote monitoring system, wherein a communication network of the same broadcast segment is a wide area Ethernet network. The remote monitoring system according to claim 1, wherein
The remote monitoring system, wherein the reception availability code has at least one type of limited reception and all reception states. The remote monitoring system according to claim 1, wherein
The remote monitoring system, wherein the reception availability code is generated from a life / death confirmation performed at a predetermined time interval from the reception server device to the monitoring center. The remote monitoring system according to claim 4 , wherein
The monitoring center receives all broadcast packets, and when the reception availability code included in the broadcast packet is the limited reception, the monitoring center has the reception availability code of the type designated in advance by the monitoring center. A remote monitoring system which processes only broadcast packets and processes all the broadcast packets when the reception availability code included in the broadcast packet is the all reception. The remote monitoring system according to claim 1, wherein
The process of the monitoring center, the remote monitoring system, characterized in that from the monitoring center is a connection request to the receiving server device. The remote monitoring system according to claim 1, wherein
The remote monitoring system, wherein the first communication network is a public telephone line or a public network.