JPH0865757A - Remote abnormality monitoring system using telephone line - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a remote anomaly monitoring system using a telephone line that enables a supervisor to confirm the occurrence of an abnormal situation while checking the video of the site while staying at a remote monitoring station. . [Configuration] A remote abnormality monitoring system using a telephone line, which is provided with various sensors 10 for normal abnormality detection and an emergency call device 20 at a monitoring site, and further for detecting a voice signal and a video signal at the site. Microphone 33 and still camera 31 or video camera 3 that captures the image of the scene
2. A video modem 34 for transferring a video signal via a telephone line is installed, while a video modem 41 for receiving a video signal from the video modem and a video receiver are installed on the monitoring station side. 42 is arranged to enable visual observation of the image of the site, and a microphone 33, a still camera 31, which is installed on the site via the image modem 41,
The video camera 32 is operated remotely.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring system for notifying an abnormality detected via a telephone line to a monitoring position, and more particularly to a monitoring system for notifying an abnormality including an image to a monitoring position.

[0002]

2. Description of the Related Art Conventionally, various monitoring systems and reporting devices using telephone lines have been known. For example, JP-A-62-2
56194, or JP-A-62-25619.
According to No. 6, a fire alarm receiver including a heat and smoke detector, a gas leak receiver including a gas detector, a crime prevention receiver including a crime prevention switch, and other abnormal signals transmitted from a notification monitoring panel are transmitted. The receiver and receiver via a telephone line,
A wide area monitoring system using a microcomputer for automatically reporting the occurrence of an abnormal situation to a plurality of receivers is shown. In this automatic notification wide area monitoring system, the receiver has an automatic incoming call and automatic transfer function, which allows the absence of an observer at the receiver side at the time of an abnormal report without increasing the number of telephone lines. In the case of, it is possible to call and transfer to another receiver.

Further, according to Japanese Utility Model Publication No. 58-9413, an automatic notification device having a function of automatically dialing through a telephone line to call the other party and send an automatic message according to a detection output of detection by a sensor. It has been known. In this automatic notification device, the message to be transmitted is recorded in advance on a tape deck or the like.

[0004]

In the wide area monitoring system according to the above-mentioned prior art, the alarm information from the transmitter side to the receiver side is limited to, for example, a voice signal such as a buzzer sound or the lighting of an abnormality indicating lamp. Or, the message is recorded in advance on a tape deck or the like. However, although such alarm information is often due to mistakes due to malfunction of the detector,
Even in the case of such a malfunction, the monitor must confirm the situation by going to the remote abnormality occurrence site. In addition, this has often been a cause of the absence of a supervisor when an abnormal situation occurs.

Therefore, in the present invention, in view of the problems in the prior art, when an alarm for the occurrence of an abnormality is received,
It is an object of the present invention to provide a remote abnormality monitoring system using a telephone line, which enables a remote observer to easily confirm the situation of the abnormality occurrence site.

[0006]

DISCLOSURE OF THE INVENTION The above-mentioned object is to provide an emergency alerting device, which is proposed by the present invention, for detecting an abnormality by detection outputs from a plurality of detectors, and to connect the emergency alerting device via a telephone line. In the remote abnormality monitoring system including the receiver, the emergency caller side is further provided with means for detecting a voice signal and a video signal at the site and a video modem transmission device, and the video modem. A video modem receiver and a video receiver for transmitting the audio signal and the video signal of the site by a transmitter and further receiving the video signal from the video modem transmitter on the receiver side. And a remote abnormality monitoring system using a telephone line provided with remote control means for remotely controlling the video modem transmission device.

[0007]

That is, according to the above-mentioned remote abnormality monitoring system using the telephone line of the present invention, the monitoring site is further provided with means for detecting the audio signal and the video signal of the site, and the site. Is provided with a video modem transmitting device for transferring the video signal of 1) via a telephone line, while the monitoring side remotely controls the video modem receiving device and the video receiver, and the video modem transmitting device. By providing remote control means for monitoring, it is possible to visually confirm the image of the site by a video signal even when the monitor is at a remote monitoring station, and a more reliable abnormal situation can occur without arriving at the site. Confirmation is possible.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the embodiments of the present invention will be described below with reference to the accompanying drawings. First, in FIG.
The configuration of a remote abnormality monitoring system using a telephone line according to the present invention is shown. In this figure, a so-called heat or smoke detector, a gas detector, a crime prevention switch, or the like is installed at a site to be monitored. Various sensors 10 for detecting abnormalities
Is provided and its output is connected to the emergency call device 20. Further, a telephone 21 is connected to the emergency notification device 20, and a notification device controller 22 is further connected. The emergency notification device 20 is composed of, for example, a microcomputer, and is operated by a notification device controller 22 in response to the occurrence of an abnormality, performs automatic dialing, calls the other party, and reports an alarm to an observer. A bell 23, which is an alarm means, is provided at the site. Further, although not shown, the emergency call device 20 is provided with an automatic notification device having a function of transmitting an automatic message according to the detected abnormality, and the automatic notification device records in advance on a tape deck or the like. Message is sent.

A camera (for example, a still camera) 31 and a video camera 3 for detecting an image of the site are provided at the surveillance site.
2, and a microphone 33 is further provided.
The video camera 32 is connected to the emergency call device 20 via a video modem 34 as a video modem transmission device. Still camera 31, above
A plurality of video cameras 32 and bells 23 can be provided and can be arranged at different positions.

The video modem 34 referred to here is a device for transmitting the video signal captured by the video camera 32 for detecting the video of the site to another place through a telephone line. For example, a video modem (model name VR-MS1) manufactured by Sharp Corporation is used.

On the other hand, the monitoring side is provided with a video modem 41 as a video modem receiving device, which is connected to the video modem 34 via a telephone line 35 such as NTT. A video receiver 42 such as a CRT is connected to the output of the video modem 41, and a telephone 43 is further connected. The telephone 43 generates a push button telephone signal for controlling the operations of the video modem 34, the still camera 31, and the microphone 33. Further, the push button telephone signal input to the telephone 43 is processed by the video modem 41, and the image captured by the video camera 32 is displayed on the video receiver 42. As the video modem 41, the video modem (model name VR-MS) manufactured by Sharp Co.
1) can be used.

Next, the operation of the remote abnormality monitoring system using the telephone line according to the present invention, which has been described above, will be described with reference to the flowchart of FIG.
It should be noted that this operation is performed according to a program stored in a storage device (not shown) of the microcomputer constituting the emergency notification device 20. First, when the operation starts, it is confirmed that an abnormal signal is emitted from the various sensors 10 (step 101), the telephone line is supplemented, and it is determined whether or not it is possible (step 10).
2). If the result of this determination is that it is not possible to supplement the line (“No”), Bell 2 which is the on-site alarm means.
3 is sounded (step 103), and this is stopped after a predetermined time has passed (step 104).

On the other hand, if it is determined in step 102 that the line can be supplemented ("Yes"), automatic dialing is performed (step 105). This time,
If automatic dialing is not possible (“No”), the other party is absent or busy (step 10).
6) Again, supplementing the above telephone line (step 102)
Return to. On the other hand, the above automatic dial (step 105)
If it is possible (“Yes”), the message is transmitted by the automatic notification device provided in the emergency notification device 20, that is, the voice notification is performed (step 107).

Thereafter, the microphone 33 and the still camera 31 are operated in response to a remote signal which is a monitoring command signal from the telephone set 43, and the video camera 32 is operated in response to a signal issued via the video modem 34. , Transition to the monitoring state. That is, when a remote signal for monitoring by the microphone call is received, microphone monitoring (step 110) is performed. Meanwhile, when there is no remote signal which is a monitoring command signal from the still camera and the video camera, the telephone 43 is cut off and the operation is ended.

On the other hand, when a remote signal for monitoring by camera shooting is received during microphone monitoring (step 110), camera shooting is performed by the still camera 31 (step 111), the telephone 43 is cut off, and the operation ends. .

When a remote signal for monitoring by the video camera is received during microphone monitoring (step 110), the video camera 32 is turned on (step 112).
The video image is monitored (step 113), and after the set time has elapsed, the telephone is hung up to end the operation (step 114).

[0017]

As is apparent from the above detailed description, according to the remote abnormality monitoring system using the telephone line according to the present invention, even if the supervisor is at the remote monitoring station, the image of the scene can be displayed. It is possible to confirm visually by a video signal, and it is possible to confirm the occurrence of an abnormal situation more reliably without arriving at the site. Therefore, when an alarm for an abnormality is received, a remote supervisor can easily visually check the situation of the site where the abnormality has occurred, thereby relieving the inconvenience of the alarm due to a malfunction of the monitoring device that often occurs. Therefore, it becomes possible to more accurately and surely judge and monitor the occurrence of an abnormal situation. In addition, it also has the excellent effect of being able to expect economic effects such as the reduction of the number of observers.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a remote abnormality monitoring system using a telephone line which is an embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation of the remote abnormality monitoring system.

[Explanation of symbols]

 10 Various sensors 20 Emergency call device 21 Telephone 22 Notification device controller 31 Still camera 32 Video camera 33 Microphone 34 Video modem 35 Telephone line 41 Video modem 42 Video receiver 43 Telephone

Claims (1)

[Claims] 1. A remote anomaly monitoring system comprising: an emergency caller that detects an abnormality based on detection outputs from a plurality of detectors; and a receiver connected to the emergency caller via a telephone line. The reporting device is further provided with means for detecting a voice signal and a video signal at the site and a video modem transmitting device, and the voice signal and the video signal at the site are transmitted by the video modem transmitting device, and The receiver side is further provided with a video modem receiving device for receiving a video signal from the video modem transmitting device, a video receiver, and a remote control for remotely operating the video modem transmitting device. A remote abnormality monitoring system using a telephone line, which is provided with means.