KR101850102B1 - Security system with Audio visual safety sign board - Google Patents

Abstract

An audiovisual security guide board is disclosed. The audiovisual security guide board includes an audiovisual notification part, a spread light emitting part, a motion detection part, and a control part. The audiovisual notification part can notify an alarm to the outside through a visual notification means or an auditory notification means. The diffused light emitting part may include a plurality of adjacent light emitting regions. The motion detection part includes one or more motion detection sensors. The control part includes a light emitting control part and an audiovisual notification control part. The light emitting control part may control a plurality of light emitting areas to sequentially emit light when motion is detected by the motion detection part. The audiovisual notification control part activates the audiovisual notification part when an audiovisual notification command is received. Crime can be prevented by recognizing environmental changes in a surveillance area.

Description

{Security system with Audio visual safety sign board}

The present invention relates to a crime prevention system.

Crime prevention systems are well known by displaying information that a CCTV camera is in operation by monitoring CCTV cameras and LED warning signs for crime prevention. Related to this, Korean Patent Registration No. 10-0926578 discloses an all-night sign for crime prevention and a method of operating the same. According to this publication, the warning signs for crime prevention can transmit the photographed objects using the CCTV at night or emergency to the control center to prevent the danger.

Korean Patent Registration No. 10-0926578 (published on November 12, 2009)

An object of the present invention is to provide an audiovisual security system capable of recognizing an environmental change in a surveillance area through a complex recognition path and performing alerting for crime prevention.

An audiovisual security guide board according to an aspect may include an audiovisual notification unit, a spread light emitting unit, a motion sensing unit, and a control unit. The audiovisual notification unit may notify the outside through the visual notification unit or the auditory notification unit. The diffusive light emission unit may include a plurality of adjacent light emission areas. The motion detection unit may include one or more motion detection sensors . ≪ / RTI > The control unit may include an emission control unit and an audiovisual notification control unit. The light emission control unit may control the plurality of light emission areas to sequentially emit light when motion is detected by the motion detection unit, and the audiovisual alarm control unit may activate and control the audiovisual notification unit upon receipt of the audiovisual notification command.

The visual notification means may be a beacon, and the audible notification means may be a buzzer.

The control unit may further include a detection control unit. The detection control unit activates and controls some of the motion detection sensors and can sequentially activate and control the remaining motion detection sensors one or more at a time only when motion is detected by the activated motion detection sensor.

Meanwhile, the audiovisual security system according to one aspect may include an audiovisual security guide board and a central server. An audiovisual security guide plate includes an audiovisual notification unit including at least one of a diffusive light emitting unit including a plurality of adjacent light emitting areas, a visual alerting unit for informing the outside that it is being monitored and an audible alerting unit, And a control unit for activating and controlling the audiovisual notification unit when a control and an audiovisual notification command are received so that the plurality of light emission areas are sequentially emitted when the motion is detected by the motion detection unit. Then, the central server can transmit an audiovisual notification command to the audiovisual security notice board when the audiovisual notification event occurs.

The central server includes an object identification unit for identifying an object in the surveillance image received from the surveillance camera, an attribute extraction unit for extracting the attributes of the identified object, and an attribute extraction unit for extracting, from the extracted attributes, And an audiovisual notification command section for transmitting an audiovisual notification command to an audiovisual security notice board when an audiovisual notification event is detected, can do.

The audiovisual crime prevention system according to the present invention not only notifies the user of the monitoring through the LED light emission according to the motion detection, but also notifies the user that the monitoring is being performed through the separate audiovisual notification means .

1 is a block diagram of an audiovisual-based crime prevention system according to an embodiment.
2 is a block diagram of a controller in accordance with one embodiment.
3 is a block diagram of a security guide plate according to an embodiment.
4 is a view showing a state in which a security guide plate according to an embodiment is installed.
5 is a diagram illustrating the operation of a beacon.
6 and 7 are views showing a security guide plate according to an embodiment.
8 is a partially exploded perspective view of a security guide plate according to an embodiment.
9 is a view showing a concave reflection plate according to an embodiment.
10 is a sectional view taken along the line AA in Fig.

BRIEF DESCRIPTION OF THE DRAWINGS The foregoing and further aspects of the present invention will become more apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an audiovisual security system according to an embodiment of the present invention. 1, the audiovisual security system may include a security camera 100, a central server 200, and a security guide board (an audiovisual security guide board) 300. As shown in FIG. However, only a part of these configurations may be included. The surveillance camera 100 may be a CCTV camera installed in a remote area. The surveillance camera 100 captures the surveillance area and transmits the surveillance video image to the central server 200 of the control center. The controller 210 of the central server 200 analyzes the surveillance image received from the surveillance camera 100 and transmits an audiovisual notification command to the security guiding board 300 according to the analysis result. The crime prevention sign board 300 is installed together with the surveillance camera 100 in the crime prevention area, and serves to prevent crime by informing the passing passerby that the passerby is watching. According to an aspect of the present invention, the security guide board 300 can detect the movement itself and notify the outside that it is being monitored through the LED light emission, as well as can be provided with a separate audiovisual notification means in accordance with an audiovisual notification command from the surveillance camera 100 It may also inform the outside that it is under surveillance.

2 is a block diagram of a controller in accordance with one embodiment. 2, the controller 210 includes an object identification unit 211, an attribute extraction unit 212, an interest property verification unit 213, an event detection unit 214, and an audiovisual notification command unit 215 . The object identification unit 211 processes the supervised image to identify the object. In one embodiment, the object identification unit 211 separates the supervised image from the background image and the foreground image, and identifies the object based on only the foreground image. The outline of the object is extracted through image processing to identify the object . The attribute extraction unit 212 extracts attributes that constitute the identified object. Here, the attribute may be height, size, clothes color, wearing hat, hat type, hat color, etc. when the object is a row. The interest attribution verification unit 213 checks whether the interest attribute is included in the attributes extracted by the attribute extraction unit 212. [ Here, the attribute of interest may be registered in advance.

If the attribute of interest is included in the extracted attributes, the event detection unit 214 detects whether an audiovisual notification event is generated based on the motion of the object. That is, the event detection unit 214 detects whether the object in the monitored video received in real-time shows motion corresponding to the predetermined audiovisual notification event condition. In one embodiment, event detection is Loitering Detection, where roving detection detects that an object is constantly roaming a particular location. When the audiovisual notification event is detected by the event detection unit 214, the audiovisual notification command unit 215 transmits an audiovisual notification command to the audiovisual security notice board. Here, the audiovisual notification command is an instruction to perform notification at least one of the visual notification means and the auditory notification means of the crime prevention sign board 300.

3 is a block diagram of a security guide plate according to an embodiment. 3, the security guide board may include an audiovisual notification unit 310, a diffusion light emitting unit 320, a motion sensing unit 330, and a controller 340. The audiovisual notification unit 310 may include at least one of a visual notification unit 311 and an audible notification unit 312. The visual notification means may be a beacon, and the audible notification means may be a buzzer. The warning light may be provided at one side of the security guide board, for example, at the lower end, and the buzzer may be provided at an appropriate position. The visual notification means 311 and the auditory notification means 312 are activated under the control of the control unit 340, which will be described later. The diffused light emitting portion 320 includes a plurality of adjacent light emitting regions 321, 322, and 323. The light emitting source of each of the light emitting regions 321, 322, and 323 may be an LED. In one embodiment, the diffused light emitting portion 320 includes a first light emitting region 321, a second light emitting region 322, and a third light emitting region 323. One or more LED elements, a light guide plate, and the like may be provided in each light emitting area. The first light emitting region 321, the second light emitting region 322, and the third light emitting region 323 emit light independently, and may be sequentially (progressively) emitted under the control of a controller 340 described later.

The motion detection unit 330 includes a plurality of motion detection sensors 331, 332, and 333. The motion detection sensor may be an infrared sensor. In one embodiment, the motion detection sensors 331, 332, and 333 are disposed in at least one of the light emitting regions 321, 322, and 323 of the diffused light emitting unit 320. That is, the motion detection sensors 331, 332, and 333 are included in the diffused light emitting unit 320 and are disposed in the light emitting regions 321, 322, and 323, respectively. For example, one first motion sensing sensor 331 is disposed in the first light emitting region 321, two second motion sensing sensors 332 are disposed in the second light emitting region 322, three And the third movement detecting sensor 333 is disposed in the third light emitting region 323. [ The motion detection areas of the motion detection sensors 331, 332, and 333 may be different. For example, the first motion sensing sensor 331 senses a relatively long distance relative to the second motion sensing sensor 332, and the second motion sensing sensor 332 senses relative motion relative to the third motion sensing sensor 333 To detect the distance. That is, the first motion detection sensor 331, the second motion detection sensor 332, and the third motion detection sensor 333 can detect movement of an object approaching the security guide board in this order.

The control unit 340 may be a combination of hardware and software, and may include a microprocessor capable of controlling peripheral devices in hardware. The control unit 340 may include an emission control unit 341 and an audiovisual notification control unit 342 according to an aspect. The light emission control unit 341 controls the plurality of light emission regions 321, 322, and 323 to sequentially emit light according to the motion of the motion sensing unit 330. In one embodiment, the emission control unit 341 controls the emission regions to sequentially emit light in the order of the first emission region 321, the second emission region 322, and the third emission region 323. As a result, the progressive light emission is achieved, which improves the attention of the surrounding passenger compared to the simple light emission. The audiovisual notification controller 342 activates and controls the audiovisual notification unit 310 according to the monitoring notification command received from the controller 210. For example, the audiovisual notification control unit 342 activates only one of the visual notification means 311 and the audible notification means 312, or controls both of them. The control target may be one based on a monitoring notification command.

Meanwhile, the control unit 340 may further include a detection control unit 343. The detection control unit 343 controls activation of the motion detection sensors 331, 332 and 333 of the motion detection unit 330 so that the motion detection units 331, 332 and 333 are sequentially activated Activate. In one embodiment, the sensing control unit 343 activates and controls the first motion sensing sensor 331 disposed in the first light emitting region 321. When motion is detected by the first motion sensing sensor 331, 2 motion detection sensors 332, and further activates and controls the third motion detection sensors 333 thereafter. At this time, the detection control unit 343 may further control activation of the third motion detection sensors 333 only when motion is detected by the activated second motion detection sensor 332.

The emission control unit 341 controls emission of the light emitting regions 321, 322 and 323 of the diffusion light emitting unit 320 according to the sensing control of the sensing control unit 343. The first light emitting region 321 is controlled to emit light when motion is detected by the first movement detecting sensor 332 and the second light emitting region 322 is controlled when the motion is detected by the second motion detecting sensor 332, The third light emitting region 323 can be controlled to emit light. That is, the light emission areas 321, 322, and 323 are controlled to sequentially emit light in accordance with the motion detection. According to the actual situation detected precisely as described above, it becomes possible to control the light emission effect for improving the attention as an effect according to the detection.

According to the above, the light emission by the diffused light emitting unit 320 is performed first, and the monitoring notification by the audiovisual notification unit 310 is performed later. The diffused light emitting unit 320 is activated as soon as motion is detected in the surveillance area by the motion sensing unit 330, but the audiovisual notification unit 310 is activated after the audiovisual notification event is detected. Therefore, if the above system is used, it is expressed to the outside that the monitoring LED is used to monitor the motion when the motion is detected. If it is determined that a more active notification is required based on the event detection, a warning light or buzzer can do.

FIG. 4 is a view showing a state in which a security guide plate according to an embodiment is installed, and FIG. 5 is a view illustrating an operation of a warning light. 4, a surveillance camera 100 and a security guide plate 300 made of a thin plate-like structure may be installed on a support rod 2 projecting horizontally at the upper end of the column 1. [ Also, the crime prevention sign board 300 may be installed in the pillar 1 as well. The security guard plate provided on the support 1 may be mounted on one side of the separate structure 20, and this structure may be an electric distribution board. And FIG. 5 shows an operation state according to an audiovisual notification command from the central server in the security warning board. Fig. 5 shows two warning lights, in which (a) shows the ON state of the left side beacon, and (b) shows the ON state of the right beacon. The left side beacon can be a red beacon, and the right beacon can be a blue beacon. These two warning lights can be alternately turned on.

8 is a partially exploded perspective view of a guide plate according to an embodiment of the present invention, FIG. 9 is a view showing a concave reflection plate according to an embodiment, and FIG. 10 Is a cross-sectional view taken along the line AA in Fig. The security guide plate 300 may be formed of a thin plate-like structure and may be installed on one side of a separate structure 20 installed on the support. Here, the structure may be an electric distribution board. 6 and 7, a shape 301 representing a CCTV camera is formed on the front surface of the security guiding plate 300, and light emitting areas 321, 322, and 323 for informing that CCTV monitoring is being performed are formed . In FIG. 8, reference numerals 321-1, 322-1, and 323-1 may denote a light guide plate positioned in the first light emitting region 321, the second light emitting region 322, and the third light emitting region 323, respectively Although not shown in FIG. 8, one or more LED elements may be disposed on the side of each light guide plate. 8, the first motion detection sensor 331, the second motion detection sensors 331, 332, and 333, and the third motion detection sensors 331, 332, and 333, respectively, The second light emitting region 322, and the third light emitting region 323, and is provided so as to face the inside of the diffused light emitting portion 320.

In addition, concave reflection plates 410, 420, and 430 are disposed inside the diffusing light emitting unit 320. 9, the first concave reflection plate 410 may have one concave reflection area 411 corresponding to the first motion detection sensor 331, and the second concave reflection plate 420 may have two concave reflection areas 411, The third concave reflection plate 430 may have three concave reflection areas 412 corresponding to the second motion detection sensors 331 332 and 333 and the third concave reflection plate 430 may have the third motion detection sensors 331 332, It is possible to have three concave reflection areas 413 corresponding to the concave reflection area 413. As shown in FIG. 10, the concave reflection plates 410, 420, and 430 improve the motion detection rate of the motion detection sensor. The detection signal (infrared signal) of the motion detection sensor is reflected by the concave reflection plate, To the outside. By using the concave reflector, it is possible to improve the power efficiency by improving the signal collection rate in the infrared region.

The present invention has been described with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: surveillance camera 200: central server
210: controller 211: object identification unit
212: Attribute extraction unit 213:
214: event detection unit 215: audiovisual notification command unit
300: security guide plate 310: audiovisual notification unit
311: Visual notification means 312: Auditory notification means
320: diffused light emitting portion 321: first light emitting region
322: second light emitting region 323: third light emitting region
330: motion detection unit 331: first motion detection sensor
332: second motion detection sensor 333: third motion detection sensor
340: control unit 341:
342: audiovisual notification control unit 343:
410: first concave reflector 420: second concave reflector
430: third concave reflector

Claims (5)

An audiovisual notification unit for informing the outside through a visual notification unit or an auditory notification unit;
A diffused light emitting portion including a first light emitting region, a second light emitting region and a third light emitting region arranged adjacent to each other;
The first light emitting area, the first light emitting area, the first light emitting area, the second light emitting area, and the third light emitting area, The motion detection sensor, the second motion detection sensor, and the third motion detection sensor may include a motion detection unit oriented toward the inside of the diffused light emitting unit; And
And controls the first motion detection sensor to activate and control the light emission control and the second motion detection sensor when the motion is detected by the activated first motion detection sensor, An emission control unit for controlling emission control of the second emission region and activating the third motion detection sensor and controlling emission of the third emission region when motion is detected by the third motion detection sensor, And an audiovisual alert control unit for activating and controlling the notification unit,
A first concave reflection plate having a concave reflection area corresponding to the first motion detection sensor, a second concave reflection plate having two concave reflection areas corresponding to the two motion detection sensors, A third concave reflection plate having three concave reflection areas corresponding to three motion detection sensors is provided,
An infrared signal for motion detection of the first motion detection sensor is reflected to the concave reflection area of the first concave reflection plate and is emitted to the outside through the first light emission area, The infrared ray signal for the motion detection of the third movement sensor is reflected on the concave reflection area of the third concave reflection plate and is reflected through the third light emission area Externally diverted,
The first motion detection sensor senses movement at a distance relative to the second motion sensing sensor, and the second motion sensing sensor senses movement at a distance relative to the third motion sensing sensor.
The method according to claim 1,
Visual warning means is a warning light, and auditory notification means is a buzzer.
delete Audiovisual security guide board; And
And a central server for analyzing the surveillance image received from the surveillance camera and transmitting an audiovisual alert command to an audiovisual security signboard when an audiovisual notification event is detected as a result of the analysis,
Audio-visual security signs:
An audiovisual notification unit for informing the outside through a visual notification unit or an auditory notification unit;
A diffused light emitting portion including a first light emitting region, a second light emitting region and a third light emitting region arranged adjacent to each other;
The first light emitting area, the first light emitting area, the first light emitting area, the second light emitting area, and the third light emitting area, The motion detection sensor, the second motion detection sensor, and the third motion detection sensor may include a motion detection unit oriented toward the inside of the diffused light emitting unit; And
And controls the first motion detection sensor to activate and control the light emission control and the second motion detection sensor when the motion is detected by the activated first motion detection sensor, An emission control unit for controlling emission control of the second emission region and activating the third motion detection sensor and controlling emission of the third emission region when motion is detected by the third motion detection sensor, And an audiovisual notification control unit for activating and controlling the notification unit,
A first concave reflection plate having a concave reflection area corresponding to the first motion detection sensor, a second concave reflection plate having two concave reflection areas corresponding to the two motion detection sensors, A third concave reflection plate having three concave reflection areas corresponding to three motion detection sensors is provided,
An infrared signal for motion detection of the first motion detection sensor is reflected to the concave reflection area of the first concave reflection plate and is emitted to the outside through the first light emission area, The infrared ray signal for the motion detection of the third movement sensor is reflected on the concave reflection area of the third concave reflection plate and is reflected through the third light emission area Externally diverted,
The first motion detection sensor senses movement at a distance relative to the second motion sensing sensor, and the second motion sensing sensor senses movement at a distance relative to the third motion sensing sensor.
5. The system of claim 4, wherein the central server comprises:
An object identification unit for identifying an object in the surveillance image received from the surveillance camera;
An attribute extraction unit for extracting attributes of the identified object;
An interest property verifying unit for verifying whether the interest property is included among the extracted properties;
An event detection unit for detecting whether an audiovisual notification event is generated based on the movement of the object when the attribute of interest is included; And
An audiovisual notification command unit for transmitting an audiovisual notification command to an audiovisual security counter when the audiovisual notification event is detected;
And an audiovisual security system.

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