JP2848692B2 - Intrusion monitoring system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention] (Industrial application field) The present invention is distributed to a wide range of facilities such as a common ditch in which various lifelines such as gas, water, electricity, and communication are stored. The present invention relates to an intrusion monitoring system that monitors the intrusion of a suspicious person from a number of entrances and ventilation holes provided as contact points with the outside.

(Prior Art) Various lifelines of general civil life such as gas, water, electricity, and communication are housed and managed together in a common ditch.
This common groove is laid over a wide area of about 10 km in length.

By the way, recently, a suspicious person may enter the common groove from a large number of entrances and exits such as ventilation holes provided in the common groove, and various facilities may be destroyed.

Conventionally, TV cameras or sensors are installed at each entrance to protect the facilities in such a common ditch from destructive activities.Especially both TV cameras and sensors are installed in important places, and sensors are installed at the central monitoring station. When a warning is issued, the TV camera is manually switched to a predetermined position to check the image displayed on the monitor, and for places where no camera is installed, a staff is dispatched to confirm Was doing. In addition, even in a normal case, the observer monitors each doorway by sequentially switching cameras for the purpose of prevention.

(Problems to be solved by the invention) However, such an intrusion monitoring system has the following problems.

(1) Since the monitor switches between the sensor and the television camera, there is erroneous operation and inconvenience in an emergency, and especially when there are many installation locations, much labor is required for monitoring.

(2) There is a possibility that the abnormality may be overlooked within a period of time from when the monitoring station confirms the abnormality detection by the sensor to when the television camera is switched.

(3) Since only a single sensor is installed at each doorway, abnormality detection by this sensor is qualitative, and even if it detects intrusion of small animals etc., it will issue an alarm at the central monitoring station In the case where only the sensor is installed, it is necessary to always dispatch a staff member to the site for confirmation.

An object of the present invention is to be able to accurately and early find an intruder from a location serving as a contact port with the outside such as a large number of entrances and ventilation holes provided dispersedly in a wide range of facilities, It is an object of the present invention to provide an intrusion monitoring system capable of greatly reducing the burden on a guard.

[Constitution of the Invention] (Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention relates to a plurality of entrances and exits such as ventilation holes which are dispersedly provided in a wide range of facilities. Sensors installed at different locations,
A microphone and a television camera, and a microphone and a television camera, which are installed on a local station side for collecting information for each of a predetermined range with respect to the facility over a wide area and are triggered when detection information is input from the sensor group; An audio / video unit for recording voice information and image information from the apparatus; and a determination unit for determining whether there is an illegal intruder or a foreign object based on the number of detections when detection information is input from the sensor group to the local station. , Installed at a central monitoring station interconnected to each local station via a network communication network,
A display device, a sound reproducing device, and a display device that reproduces, in real time, the detection information and the determination information by the sensor group, and the sound information and the image information recorded in the audio / video unit when the sound information and the image information are transmitted. And a printing device.

(Operation) In the intrusion monitoring system having such a configuration, when the detection information of the entrance / exit and the ventilation hole is transmitted from the sensor group to the local station, the audio / video unit is operated to check the condition of the entrance / exit and the ventilation hole. The information is recorded as image information and audio information, and the determination unit adds the detection information of the sensor group and compares the detected number with a set value to determine whether the object is an intruder or a foreign object. For example, each information can be transmitted to a central monitoring station via a network transmission facility, and this information can be reproduced in real time and monitored collectively. A suspicious person can be accurately and early detected from a mouth part, and the burden on the observer can be greatly reduced.

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

First, a schematic configuration example and operation of an intrusion monitoring system according to the present invention will be described with reference to FIGS.
As shown in FIG. 1, a large number of doors 1 and ventilation holes 2 are dispersedly provided in a wide range of facilities such as a common ditch in which various lifelines such as gas, water, electricity, and communication are stored. The sensor group 3, the microphone 4 and the video camera 5 are respectively installed at the locations which will be the contact ports of the intruder / foreign matter detection unit 6, and the information detected by the sensor group 3 collects information for each scheduled area. Local station 7
Is transmitted to In the local station 7, the second
When a detection signal of an intruder or a foreign substance is input from the sensor group 3 as in the flow shown in the figure, the detection signals are added, and the position and size of the entrance / exit and the ventilation hole are specified based on the detected number, and When it is determined that there is, the local station 7 transmits the detection information and the determination information to the central monitoring station 9 connected to the local monitoring station 9 via the communication network 8 and triggers the audio / video section 10 to intrude. The audio information and the image information from the microphone 4 and the video camera 5 of the person / foreign matter detection unit 6 are recorded, respectively. The audio information and the image information recorded in the audio / video section 10 are also transmitted to the central monitoring station 9 via the communication network 8 by a network. Each local station 7 at the central monitoring station 9
Upon receiving the information from, the detected information, image and audio information can be reproduced in real time by a display device, an audio reproducing device and a printing device. Therefore, it is determined whether or not it is necessary to be dispatched to the site based on the result reproduced by each of these devices, and if necessary, dispatch and investigation are performed. If not, the collection of information is stopped.

Next, the above-mentioned intrusion prevention system will be specifically described with reference to FIG. 3, and the same parts as those in FIG. In FIG. 3, an intruder / foreign substance detection unit 6 is configured by installing a sensor group 3, a microphone 4, and a video camera 5 at locations that serve as contact ports with the outside, such as an entrance 1 and a ventilation hole 2. In this case, as shown in FIG. 4, a plurality of light emitting diodes and a plurality of light receiving elements are provided at equal intervals, for example, vertically and horizontally below the stairs, as shown in FIG. I have. As shown in FIG. 5, a plurality of light emitting diodes and a plurality of light receiving elements are provided in the vicinity of the opening of the ventilation hole communicating with the duct at a regular interval in the same manner as described above. ing.

The audio / video unit 10 installed on the local station 7 side includes a recording device 10-1 for recording audio information and image information from the microphone 4 and the video camera 5, and audio recorded by the recording device 10-1. A controller 10-2 is provided for transmitting information and image information from the controller 10-2 to a central monitoring station 9 via a communication network 8 by a network.

In the central monitoring station 9, the central processing unit 9-1 into which the detection information transmitted from each local station 7 via the communication network 8 is input.
A display controller 9 to which audio information and image information are inputted from a video unit via a communication network 8 by a network.
-2, a large screen 9-3 for displaying the image information processed by the display controller 9-2 as a screen, and a speaker 9-4 for reproducing audio information. A device 9-5, a man-machine interface 9-6, an audio / video operation device 9-7, and a buzzer 9-8 for issuing an alarm are connected.

Next, the operation of the intrusion monitoring system having such a configuration will be described in the sixth.
This will be described with reference to the flow shown in the figure. Now, step
When a foreign object or an intruder is detected by the sensor group 3 provided at the entrance 1 or the ventilation hole 2 which is a contact port with the outside of the common groove in S1, the detection information is transmitted to the local station 7. In the local station 7, in step S2, the audio / video section 10 is triggered to operate, and in step S3, detection information from the sensor group 3 is added, and based on the detected number, the entrance 1 or the ventilation hole 2 is added.
And the size of the detection object are specified. In step S4, the position of the entrance 1 or the ventilation hole 2 and the size of the detection object are compared with the set level, and it is determined whether or not the person is an intruder. 9 and the image information and the sound information are transmitted to the central monitoring station 9 in real time in step S6. In step S7, the central monitoring station 9 sounds the alarm buzzer 9-8 through the central processing unit 9-1 and prints and records the alarm information and the detection information by the printing device 9-5. In step S8, the display controller 9-2
Out of the image information and audio information input to the speaker 9- in step S9 while displaying the image information in a corresponding position on the map of the large screen 9-3 in real time.
4, the audio information is reproduced as audio in real time.
On the other hand, when the camera direction, zooming, and microphone direction are operated by the audio / video operation device 13 in step S10 at the central monitoring station 9, these information are transmitted to the local station 7 via the communication network 8 by the network.
It is transmitted to the controller 10-2 on the side, and the camera and microphone are operated. Therefore, the central monitoring station 9 can perform monitoring by the camera and the microphone in step S11. Then, in step S12, it is confirmed whether or not the person is a suspicious person.
And go to the site to confirm it. If the confirmation is completed or if it is confirmed in step S12 that the person is not a suspicious individual, the process proceeds to step S14, where the central monitoring station 9 gives a stop command to the audio / video unit 10. If it is determined that the local station is normal by comparing with the set level in step S4, the process proceeds to step S1.
After a fixed time at 5, a stop command is given to the audio / video section.

According to the intrusion monitoring system having such a configuration, the information detected by the sensor group 3 can discriminate the intruder from a small animal such as a mouse, for example. Position of the intruder can be monitored instantaneously. In addition, the local station 7 and the central monitoring station 9 are connected to each other by using a communication network 8 by a network, so that a large number of entrances and exit holes 2 are efficiently provided.
It can be monitored centrally from a central location. Further, when an abnormality is detected at a detection level or higher, an image is automatically displayed at a corresponding position on the map on the large screen 9-3 of the central monitoring station 9, so that the observer is always released from the strain of monitoring. In addition, monitoring can be performed using both images and sounds, and as described above, small animals are excluded from the monitoring target, so that the accuracy of monitoring can be improved, and unnecessary confirmation and dispatch of personnel for that purpose The number of times can be greatly reduced, and labor can be reduced.

On the other hand, since the detection level at the local station 7 can be set from the central monitoring station 9, it is effective in adjusting the detection accuracy. Further, since the image is recorded even when the detection information by the sensor group 3 is equal to or lower than the set level, it is possible to contribute to confirming the validity of the level setting.

[Effects of the Invention] As described above, according to the present invention, an illegal intruder can be accurately detected from a large number of entrances and vents provided in a wide range of facilities, such as vents and vents. In addition, an intrusion monitoring system can be provided that can be detected at an early stage and that can greatly reduce the burden on monitoring personnel.

[Brief description of the drawings]

FIG. 1 is a system diagram showing a schematic configuration example of an intrusion monitoring system according to the present invention, FIG. 2 is a flowchart for explaining the operation of the system, and FIG. 3 is a specific example of the intrusion monitoring system of FIG. 4 and 5 are schematic diagrams showing a typical embodiment, FIG. 4 and FIG.
FIG. 6 is a flowchart for explaining the operation of the embodiment. 1 ... Doorway, 2 ... Ventilation hole, 3 ... Sensor group, 4 ...
Microphone, 45 Video camera, 7 Local station, 8 Network communication network, 9
... Central monitoring station, 9-1 ... Central processing unit, 9-2 ... Display controller, 9-3 ... Large screen, 9-4 ...
... Speaker, 9-5 ... Printing and recording device, 9-6 ... Man-machine interface, 9-7 ... Audio / video operation device, 9-8 ... Alarm buzzer, 10 ... Audio / video unit, 10- 1 ... Recording device, 10-2 ... Controller.

Claims (1)

(57) [Claims] 1. A microphone, a television camera and a sensor group respectively installed at a plurality of entrances and vents, which are provided in contact with the outside, such as a plurality of entrances and ventilation holes, which are distributed over a wide range of facilities; An audio device installed on the local station side for collecting information for each scheduled area, which is triggered when detection information is input from the sensor group, operates and records audio information and image information from the microphone and the television camera. A video unit, a determination unit for determining whether the detected information is an illegal intruder or a foreign object based on the number of detections input from the sensor group to the local station; Provided in a central monitoring station interconnected through, the detection information by the sensor group and its determination information, When the audio information and the image information recorded in the audio / video section are transmitted, a display device, an audio reproducing device and a printing device for reproducing the detected information, the image and the audio information in real time are provided. Intrusion monitoring system.