JPH03177279A - Emergency information device - Google Patents

Abstract

PURPOSE:To prevent an erroneous emergency information due to a maintenance inspec tion work from being transmitted by carrying out control so that the transmission of the erroneous emergent communication from the installation equipment which is put into the same state to trouble or anomaly by the maintenance inspection work is suppressed, when a maintenance device is connected with a maintenance device connecting circuit. CONSTITUTION:As for an emergency information device 1A, a maintenance device connecting circuit 14 and a maintenance device connection detecting circuit 15 are connected with a central calculation processing circuit 12, and the maintenance device connecting circuit 14 and the maintenance device connection detecting circuit 15 are connected each other. In the maintenance inspection work for the emergency informa tion device 1A, a maintenance device 16 is connected with the maintenance device connection circuit 14, and then maintenance device connection detecting circuit 15 detects this connection, and a detection signal is inputted into the central calculation processing circuit 12 from the maintenance device connection detecting circuit 15. Accordingly, the central calculation processing circuit 12 operates to perform control so that the erroneous emergency communication due to maintenance inspection for the installation equipment which is put into the same state to troubles or anomaly by the maintenance and inspection work can be prevented.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an emergency notification device, and in particular, a device that automatically monitors equipment using a telephone line when a failure or abnormality is detected in equipment in a building to be monitored. The present invention relates to an emergency notification device that reports an abnormality to a center.

<Prior art> Emergency notification devices that detect failures or abnormalities in equipment in a monitored building and report the abnormality to a monitoring center are disclosed, for example, in Japanese Patent Publication No. 56-46639 and Japanese Patent Application Laid-Open No. 55-84781. Fig. 2, which has been disclosed in and widely used, is an overall block diagram showing the connection between this conventional emergency notification device and a monitoring center, and Fig. 3 is a block diagram showing the configuration of the conventional emergency notification device. .

As shown in FIG. 2, detectors 8a, 8b, .
It is connected to the emergency notification device 1, and this emergency notification device 1
is connected to a telephone line exchange 3 via a switch 4.

Further, a telephone 6 is attached to the emergency notification device 1, and this telephone 6 is connected to an exchange 3 via a switch 4.

The exchange 3 connects the receiving device 2 of the monitoring center via the switching device 5.
A telephone 7 is attached to this receiving device 2,
This telephone 7 is connected to the exchange 3 via a switch 5.

As shown in FIG. 3, the emergency notification device 1 includes a monitoring circuit 9.
, time limit circuit 13, central processing circuit 12, line control circuit 1
0 and a modulation/demodulation circuit 11 are provided, and a central processing circuit 12
In contrast, the monitoring circuit 9, the time limit circuit 13, and the line control circuit 1
0 and the modulation/demodulation circuit 1 are connected to each other so as to be able to send and receive signals, and the line control circuit 10 and the modulation/demodulation circuit 11 are connected to each other.The detectors 8a, 8b, . It is connected to the.

Here, the monitoring circuit 9 includes detectors 8a, 8b...8
n monitors the equipment in the monitored building for failures or abnormalities, and when a failure or abnormality occurs in the equipment, a detection signal is output to the central processing circuit 12, and the timer circuit 13 is activated for a certain period of time, for example, 24 hours. It is configured to output a fixed time signal to the central processing circuit 12 at each time.

Further, the line control circuit 10 performs an outgoing operation by automatic dialing to the receiving device 2 and detects an incoming call response from the receiving device 2 in response to a command from the central processing circuit 12.

Further, the modulation/demodulation circuit 11 receives transmission information from the central processing circuit 12, modulates the transmission information into a signal that can be transmitted over a telephone line, and transmits the signal to the monitoring center through the telephone line connected by the line control circuit 10. It looks like this.

In the conventional emergency notification device 1 having such a configuration, when a failure or abnormality occurs in the equipment in the building to be monitored, one of the detectors 8a, 8b, . . . , 8n is activated, and the monitoring circuit is activated. A detection signal is output from 9 to the central processing circuit 12 . The central processing circuit 12 to which this detection signal is input outputs transmission information to the modulation/demodulation circuit 11, and the transmission signal is modulated by the modulation/demodulation circuit 11 into a signal that can be transmitted over a telephone line.

At the same time, in response to a command from the central processing circuit 12, the line control circuit 10 performs an outgoing operation by automatic dialing to the receiving device 2, and when the receiving device 2 responds to the incoming call, the line control circuit 10 sends a call to the modem circuit via the connected telephone line. An emergency report is transmitted from 1■ to the receiving device 2 of the monitoring center.

Furthermore, when the fixed time signal outputted from the timer circuit 13 at a fixed time interval, for example, every 24 hours, is input to the central processing circuit 12, unless a detection signal from the monitoring circuit 9 is input, the central processing circuit 12 Line control circuit 10 by command
A regular signal modulated by the modulation/demodulation circuit 11 into a signal that can be transmitted over the telephone line is transmitted to the receiving device 2 of the monitoring center via the telephone line connected by the automatic dialing performed by the system.

Furthermore, the information signal transmitted from the monitoring center to the emergency notification device 1 side via the telephone line is demodulated by the modulation/demodulation circuit 11 and input to the central processing circuit 12 .

In this way, according to the conventional emergency notification device 1, when the equipment is in a normal operating state, it is possible to
Since the regular signal is transmitted to the receiving device 2 every hour, the monitoring center can confirm that the equipment is in a normal operating state and that the emergency notification device 1 itself is also operating normally.

In addition, when a failure or abnormality occurs in equipment in the monitored building, the emergency notification device 1 transmits the emergency notification to the receiving device 2 of the monitoring center, so the monitoring center can quickly respond to the failure repair. I can do it.

<Problem to be solved by the invention> The emergency notification device must be regularly maintained and inspected to ensure that it operates normally and sends emergency notifications to the monitoring center in the event of a failure or abnormality in equipment in the monitored building. It must be transmitted.

During this maintenance/inspection work, some of the equipment may become in the same state as failure or abnormality due to the maintenance/inspection work. For this purpose, in the conventional emergency call device, by operating the switching device 4 and directly connecting the telephone line to the telephone 6,
Necessary maintenance and inspection work was performed by disconnecting the emergency notification device 1 from the telephone line or operating the power switch of the emergency notification device 1 to turn off the power.

When maintenance and inspection work is performed in this way, equipment and equipment that become in the same state as failure or abnormality due to maintenance and inspection work may
No false emergency calls will be sent to the monitoring center.

However, if the emergency notification device 1 is disconnected from the telephone line, the regular signal every 24 hours may not be transmitted to the monitoring center if the emergency notification device 1 is cut off for a certain period of time. Furthermore, when the power is turned off for maintenance and inspection work, a shift may occur in the transmission time of the scheduled signal.

In this way, if the scheduled signal is not transmitted to the monitoring center or if the transmission time of the scheduled signal to the monitoring center is delayed, the problem arises that the monitoring center incorrectly determines that a failure has occurred in the emergency notification device 1. be.

The present invention was made in view of the current situation of this type of emergency notification device as described above, and its purpose is to issue a false emergency notification when a failure or abnormality occurs in equipment due to maintenance inspection work. An object of the present invention is to provide an emergency notification device that transmits a regular signal to a monitoring center at predetermined times even during maintenance and inspection work.

<Means for Solving the Problems> In order to achieve the above object, the present invention provides a monitoring circuit that detects a failure or abnormality of equipment in a building to be monitored and issues a detection signal, and a In an emergency notification device comprising a central processing circuit that issues an emergency call or a regular scheduled call, and a line control circuit that transmits the emergency call or the scheduled call to a monitoring center via a telephone line, the emergency call a maintenance device connection circuit that connects the maintenance device to the emergency notification device and a maintenance device connection detection circuit that detects the connection of the maintenance device to the emergency notification device during maintenance and inspection work of the device; When the processing circuit detects the connection of the maintenance device to the emergency notification device, the processing circuit issues a false emergency notification to the equipment that is in the same state as failure or abnormality due to the maintenance inspection work in the equipment. The system is configured to prevent the above-mentioned regular notification from occurring during the maintenance and inspection work.

In the present invention, if the maintenance device is not connected to the emergency notification device during normal operation, a command from the central processing circuit is sent to the monitoring center via the telephone line from the line control circuit at fixed intervals, for example, every 24 hours. Regular reports are transmitted to If a failure or abnormality occurs in the equipment in the monitored building in this state, based on the detection signal output from the monitoring circuit,
A command is issued from the central processing circuit, and in response to this command, an emergency report is transmitted from the line control circuit to the monitoring center via the telephone line.

In addition, when an inspection worker connects the maintenance position to the maintenance device connection circuit during maintenance and inspection work on the emergency notification device, the connection is detected by the maintenance device connection detection circuit, and the central processing circuit is activated to perform maintenance and inspection work. The operation is controlled so as to prevent false emergency notifications from being issued from equipment that is in the same state as a failure or abnormality. At the same time, the central processing circuit operates and controls the operation so that even during maintenance and inspection work, the regular report is transmitted to the monitoring center via the telephone line at regular intervals in the same way as during normal operation. .

<Example> Embodiments of the present invention will be described below with reference to FIG.

Here, FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and the emergency notification device 1A of the embodiment is different from the conventional emergency notification device 1 described with reference to FIG. The device connection detection circuit 15 and the maintenance device connection circuit 14 are newly provided.

The maintenance device connection circuit 14 and the maintenance device connection detection circuit 15 are connected to the central processing circuit 12 so as to be able to send and receive signals,
The maintenance device connection circuit 14 and the maintenance device connection detection circuit 15 are connected to each other.

This maintenance device connection circuit 14 is a circuit to which a maintenance device 16 carried by a maintenance worker is connected when performing maintenance and inspection work on the emergency notification device 1A.
The maintenance device connection circuit 14 is configured to monitor the operating state of the emergency notification device IA and to input data for changing monitoring conditions.

The maintenance device connection detection circuit 15 is a circuit that detects that the maintenance device 16 is connected to the maintenance device connection circuit 14 and inputs a connection signal to the central processing circuit 12 .

The configuration of other parts of the embodiment is already shown in FIGS. 2 and 3.
This is the same as the conventional emergency notification device described with reference to the figures.

Next, the operation of the embodiment will be explained.

If maintenance and inspection work has not been performed on the emergency call bag ff1lA and the maintenance device 16 is not connected to the maintenance device connection circuit 14, a connection signal is sent from the maintenance device connection detection circuit 15 to the central processing circuit 12. Not entered.

In this state, the emergency notification device IA performs the same operation as the conventional emergency notification device 1 during non-inspection work, which has already been explained with reference to FIG. When this occurs, the line control circuit 10 performs an automatic dialing operation according to a command from the central processing circuit 12.
A telephone line is connected to the receiving device 2 of the monitoring center. Then, via this telephone line, a transmission signal from the central processing circuit 12 modulated by the modulation/demodulation circuit 11 is transmitted as an emergency report to the receiving device 2 of the monitoring center.

In addition, except when transmitting an emergency call, a regular signal outputted from the time circuit 13 at regular intervals (for example, every 24 hours) is
It is modulated by the modem circuit 11 according to a command from the central processing circuit 12, and is transmitted as a regular report to the receiving device 2 of the monitoring center via the connected telephone line by the automatic dialing operation of the line control circuit 10.

During maintenance and inspection of the emergency report bag WIA, when a maintenance worker connects the maintenance device 16 to the maintenance device connection circuit 14, the maintenance device connection detection circuit 15 detects this, and a detection signal is sent to the maintenance device connection detection circuit 15. Central processing circuit 12
is input.

When the connection signal is input to the central processing circuit 12, the central processing circuit 12 is activated to issue a false emergency report based on the maintenance and inspection work regarding equipment that is in the same state as failure or abnormality due to the maintenance and inspection work. controlled to prevent it from happening. At the same time, the central processing circuit 12 causes the time limit circuit 1 to
The periodic signal emitted from 3 at regular intervals (for example, 24 hours) is sent to the modulation/demodulation circuit 11 as usual even during maintenance and inspection work.
Through the telephone line connected by the line control circuit 10,
It is controlled to be transmitted to the receiving device 2 of the monitoring center as a regular report.

Therefore, during maintenance and inspection work on the emergency notification device 1A, for equipment that becomes in the same state as failure or abnormality due to maintenance and inspection work, an emergency notification is not made from the emergency notification device 1A side to the monitoring center side. Erroneous emergency calls due to maintenance and inspection work on equipment will not be transmitted to the monitoring center.

In addition, for equipment that does not return to the same state as the failure or abnormality due to maintenance and inspection work, even if the emergency notification device 1A is being maintained and inspected, if a failure or abnormality is detected, the equipment will be immediately returned to the same state as in normal operation. In addition, since the emergency notification is transmitted from the emergency notification device IA side to the monitoring center side, the monitoring center can quickly respond to troubleshooting.

Furthermore, even during maintenance and inspection work on the emergency notification device IA, regular notifications are sent from the emergency notification device IA side to the monitoring center at regular intervals, and regular notifications can be cut off by operating the switch 4 as in the past. , there is no time lag in regular reporting due to power off.

In the example, during the maintenance and inspection work of the emergency notification device,
Regarding the equipment that becomes in the same state as a failure or abnormality during this maintenance inspection work, it has been explained that an emergency call is not issued even if an actual failure or abnormality occurs, but the present invention is based on the embodiment. However, the present invention is not limited to this, and the central processing circuit may be equipped with a function to detect the occurrence of an actual failure or abnormality, and in that case, it may be configured to transmit an emergency report to the monitoring center.

In addition, all equipment and equipment are considered to be in the same state as failure or abnormality during maintenance and inspection work of emergency notification devices.
During maintenance and inspection work on the emergency notification device, it is also possible to adopt a configuration in which only regular notifications are transmitted to the monitoring center side.

<Effects of the Invention> As explained in detail above, according to the present invention, a false emergency call is not issued due to equipment failure or abnormality occurring due to maintenance and inspection work, and the maintenance and inspection work is Above all, regular alarms are issued at regular intervals, and the monitoring center can accurately grasp the operation of the equipment and the operation of the emergency notification device itself without error.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is an overall block diagram showing the connection between a conventional emergency notification device and a monitoring center, and FIG. 3 is a block diagram showing the connection between a conventional emergency notification device and a monitoring center. FIG. 2 is a block diagram showing the configuration. l, IA... Emergency notification device, 2... Receiving device, 3... Switching station, 4.5... Switching device, 6.7... ...Telephone, 8a-8n...
...Detector, 9...Monitoring circuit, 10...
・Line control circuit, 11...Modulation/demodulation circuit, 12.
... Central processing circuit, 13 ... Time limit circuit. Agent: Patent attorney Kenjibu 2 (1 other person)

Claims (1)

[Claims] (1) a monitoring circuit that detects a failure or abnormality in equipment in a building to be monitored and issues a detection signal; a central processing circuit that issues an emergency report or a scheduled regular report based on the detection signal; In an emergency notification device equipped with a line control circuit that transmits an emergency notification or the regular notification to a monitoring center via a telephone line, a maintenance device is connected to the emergency notification device during maintenance inspection work of the emergency notification device. and a maintenance device connection detection circuit that detects the connection of the maintenance device to the emergency notification device, and the central processing circuit detects the connection of the maintenance device to the emergency notification device. When detected, for the equipment that is in the same state as a failure or abnormality due to the maintenance inspection work in the equipment,
An emergency notification device characterized in that the emergency notification device is configured to prevent the issuing of false emergency notifications and maintain the issuing of the regular notification during the maintenance and inspection work.