KR101830932B1 - CCTV System Capable of Tracing Interesting Target by Sound Detection - Google Patents

Abstract

According to the present invention, a security CCTV system comprises: a pan-tilt-zoom camera installed on a post to capture the surroundings to generate an image; a microphone unit including at least one microphone to sense noise of a surrounding noise source; a sound source detecting unit for calculating a direction of the noise source and a distance from the noise source using the microphone unit; a camera angle control unit for controlling a region where noise is generated to be captured by rotating the pan-tilt-zoom camera at a calculated panning and tilting angle; a camera zooming control unit for controlling zooming of the pan-tilt-zoom camera; a base body unit on which the post is placed; and at least one pair of fixing modules for fixing the post. Therefore, even if an external impact is applied to a post having a camera installed and placed thereon, a physical influence caused thereby is minimized, thereby stably operating a CCTV system.

Description

{CCTV System Capable of Tracing Interesting Target by Sound Detection}

The present invention relates to a method and apparatus for calculating a direction of a noise source generated in a monitoring space by using a plurality of microphones disposed in a space and rotating the camera in a direction of the calculated noise source to obtain a sound- CCTV system.

A method of recognizing an object in a system that recognizes and tracks a specific object by arranging a camera is mainly a method of recognizing an object through image processing and a method of recognizing an object through speech recognition. Among them, a method of recognizing an object by speech recognition is to place a plurality of microphones on a three-dimensional space to three-dimensionally recognize a direction in which sound is generated in a space, and to panning or tilting the camera ) Have been mainly used. However, even in the speech recognition method, when the direction is calculated based on the noise reflected by the surrounding structure rather than the noise directly sensed by the noise source, the direction is completely different from the true noise source. This situation makes it impossible to observe other dangerous situations, thereby making it unnecessary to operate the camera according to the sound source detection.

In addition, a vibration caused by an external impact is generated in the support where the camera is installed and supported. There is a problem that it is difficult to operate the CCTV system in a stable manner due to such vibration.

Korean Patent No. 10-1173542

An object of the present invention is to provide a security CCTV system capable of calculating a direction of a noise source generated in a monitoring space using a plurality of microphones arranged in a space and rotating the camera in a direction of a calculated noise source to acquire a noise- System.

The security CCTV system according to the present invention is a security CCTV system,

A pan / tilt zoom camera installed on the pillar to photograph the surroundings to generate an image; A microphone unit having four microphones arranged at intervals of 90 degrees along the circumference of an imaginary circle parallel to the ground and at least one microphone arranged on a vertical line passing the center point of the circle to detect a noise of a surrounding noise source; A sound source detection unit for calculating the direction of the noise source and distance information to the noise source using the microphone unit; A panning and tilting angle for rotating the pan tilt zoom camera so that the pan tilt zoom camera faces the noise source on the basis of the direction of the noise source calculated by the sound source detecting unit, A camera angle controller for controlling the panning and tilting camera to rotate the pan tilt zoom camera to photograph the area where the noise is generated; A camera zoom control unit for calculating a zoom-control value of the pan tilt zoom camera in proportion to the tilting angle calculated by the camera angle control unit and controlling the zoom of the pan tilt zoom camera; A predetermined base body to which the support is mounted; And at least a pair of fixing modules provided to be in contact with at least a part of the circumference of the support on the base body part to fix the support.

The crime prevention CCTV system of the present invention basically captures an image in the monitoring space and provides it to the control center. Further, a plurality of microphones disposed in the vicinity of the camera are used to detect noise generated in the monitoring space, to detect the direction of the noise source from the noise, to rotate the camera in the detected direction, can do. In this process, the system of the present invention can set and manage a dead zone in order to prevent the direction of the noise source from being erroneously calculated due to noise reflected and detected. In addition, even if an external impact is applied to the stanchion where the camera is installed, it minimizes the physical impact of the camera, thus enabling stable CCTV system operation.

1 is a block diagram of a security CCTV system through sound source detection according to an embodiment of the present invention.
2 is a perspective view illustrating a camera, a microphone, and a sound source detecting unit included in the CCTV system of the present invention.
3 is a perspective view illustrating the microphone unit and the sound source detection unit in more detail according to an embodiment of the present invention.
4 is a conceptual diagram provided in explanation of the dead zone of the present invention.
5 is a flowchart illustrating an operation of the CCTV system according to the present invention.
FIGS. 6 to 13 are views showing a part of the configurations according to FIG.
14 to 17 are views showing another embodiment of a part of the configurations according to FIG.
FIG. 18 is a view showing another embodiment of a part of the configurations according to FIG.
FIG. 19 is a view showing another embodiment of a part of the configurations according to FIG.

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail with reference to the drawings.

Referring to FIGS. 1 and 2, the security CCTV system 1100 of the present invention basically captures and stores a surveillance area, and can accurately photograph a scene in a surveillance space when an untoward situation occurs . The surveillance area is a place for security surveillance such as a park or a building or outside, and in particular, the surveillance area in the description of the present invention can be limited to the area taken by the CCTV system 1100.

The CCTV system 1100 includes a pan / tilt zoom camera 1110, a microphone unit 1130, a sound source detection unit 1150, and a control unit 1170.

2, the pan / tilt zoom camera 1110, the microphone 1130 and the sound source detection unit 1150 are installed on the upper side of the support 110, As shown in Fig.

The sound source detection unit 1150 and the control unit 1170 are connected through the network 120. Here, the network 120 may correspond to an IP network, a mobile communication network, or the like capable of packet data communication.

By using the network 120, the control device 1170 can be placed in a control center elsewhere away from the monitoring space.

On the other hand, when the control device 1170 is installed in the support 110, the sound source detection unit 1150 may not be implemented as a separate device as described below, but may be a component of the control device 1170. [

The pan tilt zoom camera 1110 includes a camera 1111 capable of controlling a zoom to change a zoom and a pan tilt controller 1113 for controlling pan / tilt of the camera 1111. The pan / tilt zoom camera 1110 operates in a normal mode and an event mode.

In the normal mode, the predetermined position is photographed with a preset zoom value. In the event mode, the focal distance and the direction of the camera are adjusted according to the PTZ parameter provided by the control device 1170 to photograph.

The photographed image is provided to the control center or control unit 1170. Here, the PTZ parameter includes a pan tilt-control value for controlling the pan / tilt controller and a zoom-control value for controlling the zoom.

The pan / tilt zoom camera 1110 may convert the photographed image into a digital signal and provide it to a control center or the like, and may be an IP camera having a wired or wireless IP interface to be connected to the network 120.

The microphone 1130 may be provided on one side of the pan tilt zoom camera 1110 and is preferably installed side by side with the pan tilt zoom camera 1110 on the horizontal support frame 111 at the upper end of the support 110.

The microphone unit 1130 includes a plurality of microphones to convert the noise generated in the monitoring space into an audio signal and provide the audio signal to the sound source detection unit 1150. The sound source detection unit 1150 can calculate the direction information of the noise source that generates noise in the space using the audio signal provided by the microphone unit 1130.

For example, FIG. 3A is a schematic view for explaining the arrangement of six microphones of the microphone 1130, FIG. 11B is a perspective view of the microphone 1130 according to an embodiment of the present invention, to be.

3 (a), the microphone unit 1130 includes four microphones 1131, 133, 135, and 137 arranged at intervals of 90 degrees along the circumference of the imaginary circle 130 on the virtual plane And detects the noise of the surrounding noise source. Here, it is preferable that the imaginary circle 130 is substantially parallel to the paper surface.

Even if the four microphones 1131, 133, 135 and 137 of the microphone unit 1130 detect the noise from the same noise source, the four microphones 1131, 133, 135, An error occurs at the time of sensing.

That is, a phase difference occurs between the audio signals provided by the four microphones 1131, 133, 135, and 137 to the sound source detection unit 1150. The sound source detection unit 1150 can detect the direction of the noise source on at least the virtual plane by the geometric calculation method based on the phase difference.

Further, it is possible to measure the distance in plan from the virtual plane to the noise source. The microphone unit 1130 of the present invention may further include at least one microphone on a vertical line passing the center point of the virtual circle 130. [

3 shows that two microphones 1139 and 141 are further provided on a vertical line passing through the center point of the virtual circle 130 to have six microphones 1131, 133, 135, 137, 139 and 141, And an example of detecting the transmitted noise is shown.

In this case, as described above, when the audio signal provided by the six microphones 1131, 133, 135, 137, 139, and 141 is equal to or higher than a predetermined level, the sound source detection unit 1150 detects the phase difference The direction and distance in the three-dimensional space of the noise source of the corresponding noise can be calculated.

The direction and distance calculation of the sound source detection unit 1150 can be performed by various methods known in the art, and the method disclosed in Korean Patent Laid-Open No. 10-2010-0121086 is an example thereof.

The sound source detection unit 1150 provides the control unit 1170 with direction information on the three-dimensional space of the calculated noise source. In this case, when the control device 1170 is disposed in an external control center, the sound source detecting unit 1150 may include a network interface for connecting to the network 120. [

Referring to FIG. 3 (b), the microphone unit 1130 and the sound source detection unit 1150 of the present invention can be assembled as a single component. Six microphones 1131, 133, 135, 137, 139, and 141 are disposed below the sound source detection unit 1150. A cover 1143 for blocking noise from the upper side is disposed on the sound source detection unit 1150 Lt; / RTI >

The cover 1143 also blocks other eyes, rain, and the like. The control device 1170 may be disposed at one side of the support 110 with the sound source detection unit 1150 incorporated therein or may be disposed at the control center through the network 120 as shown in FIG.

When connected through the network 120, the control device 1170 can control a plurality of PTZ cameras 1110 arranged in a plurality of monitoring spaces by connecting a plurality of sound source detectors.

The controller 1170 can control the pan / tilt zoom camera 1110 to photograph the center of the noise source using the direction of the noise source provided by the sound source detector 1150. As a result, it is possible to record an unintentional situation that caused noise in the monitoring space.

In addition, the control device 1170 may receive and process an image (image) provided by the pan / tilt zoom camera 1110. For this operation, the control device 1170 includes a camera angle control section 1171, a camera zoom control section 1173, and a dead zone processing section 1175.

The camera angle control unit 1171 controls the camera angle control unit 1171 such that the optical axis of the pan / tilt zoom camera 1110 faces the noise source based on the direction of the noise source calculated by the sound source detection unit 1150 The panning angle, and the tilting angle.

The camera angle control unit 1171 calculates the pan tilt-control value according to the calculated panning angle and tilting angle and provides the calculated pan tilt-control value to the pan / tilt controller 1113 of the pan / tilt zoom camera 1110, Thereby controlling the noise source to be photographed.

The calculation of the panning angle and the tilting angle of the camera angle control section 1171 can be controlled by a conventionally known method based on the direction provided by the sound source detection section 1150. The camera zoom control unit 1173 calculates a zoom-control value for zoom control of the pan / tilt zoom camera 1110 according to the direction of the noise source calculated by the sound source detection unit 1150 and provides the zoom-control value to the pan / tilt zoom camera 1110.

Accordingly, the camera 1111 of the pan / tilt zoom camera 1110 automatically adjusts the focal distance according to the zoom-control value to generate an enlarged image. The zoom-control value calculation of the camera zoom control unit 1173 can be obtained by a geometric method using the direction of the noise source calculated by the sound source detection unit 1150 or the tilting angle calculated by the camera angle control unit 1171.

For example, if it is assumed that the height of the noise source is constant, such as the average key of a person, the tilting angle can be used. Since the height of the pan / tilt zoom camera 1110 is fixed, the tilting angle by the geometric logic corresponds to the straight line distance to the noise source of a constant height. Therefore, if the zoom-control value according to one tilting angle is arbitrarily set, the zoom-control value can be set proportionally to other tilting angles.

Control value of the pan / tilt zoom camera 1110 to the pan / tilt zoom camera 1110, thereby controlling the pan / tilt zoom camera 1110 to enlarge or reduce the image with the zoom-control value.

According to the embodiment, instead of the direction of the noise source, the zoom-control value may be calculated by the tilting angle calculated by the sound source detecting unit 1150. The dead zone processing unit 1175 checks whether or not the direction of the noise source calculated and provided by the sound source detection unit 1150 is included in the predetermined dead zone and, if included in the dead zone, ignores the direction information of the noise source, 1171 and the camera zoom control unit 1173.

Even if there is only one noise source, the noises actually reflected by noise reflected by various structures, buildings, and the like existing in the monitoring space may be several in terms of time lag.

Since the direction of the noise source calculated by the reflected noise is erroneous information, the panning angle and tilting angle should not be calculated based on this information. In order to block the influence of such reflected noise, the dead zone processing unit 1175 sets the dead zone, and when the direction of the noise source calculated and provided by the sound source detection unit 1150 is included in the dead zone, .

The dead zone belongs to the surveillance area of the pan / tilt zoom camera 1110 and is set as an area having a fixed structure among the areas above a predetermined height. Here, the predetermined height may be determined in consideration of the key of the person responsible for the main noise in the monitoring space, and may be set to, for example, approximately 2 meters.

FIG. 4A is a side view of the monitoring space, FIG. 4B is a plan view of the monitoring space, and FIG. 4B is an example of setting a region where the structure b is disposed in the dead zone D .

4, four noise source direction vectors are shown. This direction vector is determined by the angle in the plane perpendicular to the ground as in Fig. 4 (a) and the azimuth in the plane parallel to the ground as in Fig. 4 (b). Of the four direction vectors, only x1 belongs to the dead zone D.

There can not be a noise source (1 person, for example) considered by the CCTV system 1100 according to the present invention at a position where the x1 direction vector passes. The control center monitors the images provided by the plurality of CCTV systems 1100, and monitors the surveillance regions photographed by the respective camera devices.

Hereinafter, the operation of the security CCTV system 1100 of the present invention will be described with reference to FIG.

<Normal mode state: S501, S503>

In the normal mode, the pan / tilt zoom camera 1110 takes a monitor space with a predetermined zoom value while observing a predetermined direction (S501). The microphone unit 1130 senses the noise generated in the monitoring space and provides the sound to the sound source detection unit 1150. The sound source detection unit 1150 continuously monitors whether or not noise above a certain level is sensed (S503).

<Event generation according to noise detection: S505 to S515>

When the sound source detection unit 1150 detects noise above a predetermined level, the direction of the noise source of the noise is calculated using the audio signals provided by the six microphones 1131, 133, 135, 137, 139, and 141 of the microphone unit 1130 (S505). The sound source detection unit 1150 provides the calculated direction information of the noise source to the control unit 1170 (S507).

&Lt; Determining whether or not it belongs to the dead zone: S509 >

When the direction information of the noise source is transmitted from the sound source detection unit 1150, the dead zone processing unit 1175 first determines whether the direction of the noise source belongs to the dead zone. If it belongs to the dead zone, the sound source detection unit 1150 ignores the event and does not perform further processing. If the direction of the noise source does not belong to the dead zone, the dead zone processing unit 1175 provides the direction information of the noise source to the camera angle control unit 1171 and the camera zoom control unit 1173 (S509).

If the direction of the noise source belongs to the dead zone but another noise source is not continuously calculated within a predetermined time (about one second), the dead zone processing unit 1175 sets the direction of the noise source belonging to the dead zone to The direction information of the noise source is supplied to the camera angle control unit 1171 and the camera zoom control unit 1173 without ignoring the situation, thereby coping with unfavorable situations.

&Lt; Case not belonging to dead zone: S511, S513 >

The camera angle control unit 1171 and the camera zoom control unit 1173 calculate a panning angle, a tilting angle, and a zoom value when the direction information of the noise source is received from the dead zone processing unit 1175 (S511). Then, the camera angle control section 1171 provides the pan tilt-control value based on the calculated panning angle and tilting angle to the pan / tilt controller 1113, and the camera zoom control section 1173 controls the zoom-control based on the calculated zoom value To the camera 1111 (S513, S515).

<Shooting according to the event mode: S517, S519>

The pan / tilt controller 1113 of the pan / tilt zoom camera 1110 rotates the camera 1111 in accordance with the pan / tilt-control value, and the camera 1111 controls the zoom in accordance with the zoom- do. The pan / tilt zoom camera 1110 provides the photographed image to the control center. The controller 1170 may provide an image when the controller 1170 includes a separate image processing unit or an image storage medium.

The above-described CCTV system 1100 of the present invention not only provides an image capturing the entire monitoring space like a conventional closed circuit system, but also tracks the location of the noise source generated in the relevant monitoring space, It is possible to provide a more detailed and more favorable image. Accordingly, when noise above a predetermined level is generated in the space, it is possible to provide an image related to the noise to the control center, and in the case of detecting such noise, a separate alarm message can be directly transmitted to the control center.

&Lt;Examples; Disable event mode>

The dead zone processing unit 1175 performs image processing on an image provided after the pan / tilt zoom camera 1110 rotates according to the pan / tilt-control value provided from the camera angle control unit 1171 and moves to the center of the image It is determined whether or not the object exists.

If there is no moving object in the center of the image, it is determined that the event is not caused by a true noise source, and the event mode is canceled. Accordingly, the pan / tilt zoom camera 1110 can return to the basic mode in step S501.

In addition, the event mode includes (11) when a predetermined time has elapsed since the start of the event mode, (12) when an event by another noise source occurs, (13) when the administrator has control over the control device 1170 Can be released.

<Other Embodiments>

According to the embodiment, the dead zone processing unit 1175 can perform the same operation without defining a predetermined dead zone. To this end, the dead zone processing unit 1175 must receive the distance information from the sound source detection unit 1150 to the noise source along with the direction information of the noise source.

The dead zone processing unit 1175 calculates the ground image height of the noise source by using the distance information to the noise source together with the direction information of the noise source. (11) calculating an angle (1 tilt angle, for example) in the direction of the noise source in a plane perpendicular to the ground from the direction information of the noise source, and (12) using the angle and the distance information to the noise source, The height can be calculated.

If the calculated height of the noise source on the ground surface is equal to or greater than a preset reference height Y, the dead zone processing unit 1175 determines that the dead zone is included in the dead zone and ignores the direction information of the noise source, 1110) control is not performed.

Referring to FIGS. 6 to 13, the base 110 includes a predetermined base body 3110 on which the support 110 is mounted; And at least a pair of fixing modules 3120 which are provided to contact at least a part of the periphery of the support 110 on the base body 3110 to fix the support 110. [ The fixing module 3120 includes a bottom portion 3121 which is moved to a predetermined range on the base body portion 3110 and is brought into contact with the support 110 and a lower portion 3121 which is provided above the bottom portion 3121, And a fluid 3122 which is made of a plurality of structures flowing in a sliding manner and contacting the struts 110.

The fluid 3122 includes a lowermost fluid 31221 positioned above the bottom 3121 and an uppermost fluid 31223 located above the lowest fluid 31221. The lowermost fluid 31221, And a suspended fluid 31222 provided between the uppermost fluid 31223.

A magnetic layer 3ML to which magnetic force is imparted is provided on the inner side surface portion of the lowermost fluid 31221, the uppermost fluid 31223 and the interrupted fluid 31222 toward the struts 110, The fluid 3122 is magnetically coupled with a plurality of bar-shaped elastic bodies L on the buffer space S1, and a plurality of bar-shaped elastic bodies L are provided on the buffer spaces S1. The elastic body (L) is positioned orthogonally with respect to the support (110). The elastic body L includes a rectangular outer elastic body L12 and a circular elastic body L11 inside the outer elastic body L12.

The fluid 3122 is provided with a plurality of filling bodies FU filled with the filling material in the height direction between the cushioning spaces S1 and heating means for heating the filling material on the outer or inner circumferential surface, The filler (FU) discharges the filler through external control to fill the filler on the adjacent buffer space, and the filler includes the molten thermoplastic elastomer resin sprayer.

The fluid 3122 further includes a lift part 3123 provided on the uppermost fluid 31223 and movable up and down toward the bottom of the base body 388. The upper part of the uppermost fluid 31223 A buffer pad 31231 is provided.

The fixing module 3120 is formed in a pair or two pairs so that a surface facing each other is formed with a predetermined inclined portion in a vertical direction so as to surround the strut 110, Or semi-circular shape.

The fluid 31222 flows so that the interrupted fluid 31222 is inclined on the lowermost fluid 31221 and the uppermost fluid 31223 flows to be inclined on the interrupted fluid 31222 and the interrupted fluid 31222 ) And the uppermost-end fluid 31223 are alternately or uniformly flowing toward the struts 110 as necessary. Meanwhile, the fixing module 3120 may be provided so that another fixing module 3120 "

FIGS. 14 through 17 are views showing another embodiment of a part of the configurations according to FIG. Hereinafter, the description will be focused on the technical features. 14 to 17, the interrupted fluid 32222 flows in the fluid 32222 in the horizontal direction on the lowermost fluid 32221, and the uppermost fluid 32223 flows in the interrupted fluid 32222 And the interrupted fluid 32222 and the uppermost fluid 32223 flow alternately or uniformly toward the strut 110 as necessary.

The lowermost fluid 32221, the interrupted fluid 32222 and the uppermost fluid 32223 are rotated so that the front side toward the strut 110 is reversed with respect to the rear side, (I) which is capable of advancing and retracting between the inside and the outside. The adsorption module I includes a first adsorption module I1, a second adsorption module I2 disposed in a forward / backward movement type from the first adsorption module, and a second adsorption module I2 disposed / And a third adsorption module (I3).

FIG. 18 is a view showing another embodiment of a part of the configurations according to FIG. Referring to FIG. 17, a first pressing module P1, which is provided to be movable in a predetermined range on the base body portion 3210 and provides a pressing force such that the bottom portion 3221 faces the strut 110, A second pressurizing module P2 interlocked with the first pressurizing module P1 to provide a pressing force such that the lowermost fluid 32221 faces the strut 110 and the second pressurizing module P2 A third pressurizing module P3 interlocked with the upper end of the third pressurizing module P3 to provide a pressing force such that the interrupted fluid 32222 is directed toward the strut 110; And a fourth pressing module P4 for providing a pressing force such that the fluid 32223 faces the strut 110. [

The first pressing module P1 is provided with a first tightening module L1 for fixing the first pressing module P1 on the base body part 3210 and the second pressing module P2 (L2) for fixing the second pressing module (P2) on the first pressing module (P1), and the third pressing module (P3) is provided on the upper side with the second pressing module And a third tightening module (L3) for fixing the third pressing module (P3) on the second pressing module (P2). The fourth pressing module P4 is provided with a fourth tightening module L4 for fixing the fourth pressing module P4 on the third pressing module P3, P1) to P4 (P4) are operated in a manual manner based on the user's operation, or are operated in an automatic manner based on an external control signal, and are operated in a forward rotation or a reverse rotation manner.

FIG. 19 is a view showing another embodiment of a part of the configurations according to FIG. 18, the second pressing module P2 to the fourth pressing module P4 are bound to a bar-like body on the lowermost fluid 3222i to the uppermost fluid 32223, respectively, And is bound to be relatively movable between the upper side and the lower side from the bar body. The second pressurizing module P2 ascends from the first pressurizing module P1 to provide a pressing force on the lowermost fluid 32221 via a bar-shaped body, The pressurized fluid is raised from the second pressurizing module P2 to provide a pressing force on the interrupted fluid 32222 via the bar-shaped body, and the fourth pressurizing module P4 is lifted from the third pressurizing module P2 When the second pressing module P2 to the fourth pressing module P4 are downwardly moved, the pressing force of the first tightening module L1 or the second pressing module P4 is lowered, And are coupled to each other through the fourth tightening module L4.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (10)

A pan / tilt zoom camera installed on the pillar to photograph the surroundings to generate an image; A microphone unit having four microphones arranged at intervals of 90 degrees along the circumference of an imaginary circle parallel to the ground and at least one microphone arranged on a vertical line passing the center point of the circle to detect a noise of a surrounding noise source; A sound source detection unit for calculating the direction of the noise source and distance information to the noise source using the microphone unit; A panning and tilting angle for rotating the pan tilt zoom camera so that the pan tilt zoom camera faces the noise source on the basis of the direction of the noise source calculated by the sound source detecting unit, A camera angle controller for controlling the panning and tilting camera to rotate the pan tilt zoom camera to photograph the area where the noise is generated; And a camera zoom control unit for calculating a zoom control value of the pan / tilt zoom camera in proportion to the tilting angle calculated by the camera angle control unit and controlling the zoom of the pan / tilt zoom camera. In a CCTV system,
A predetermined base body to which the support is mounted; And at least a pair of fixing modules provided to abut on at least a part of the periphery of the support on the base body part to fix the support,
The fixing module includes:
A bottom portion provided on the base body portion so as to be moved to a predetermined range and to be in contact with the support, and a plurality of structures disposed above the bottom portion, the plurality of structures being in sliding contact with each other and contacting the support,
The fluid may include,
A bottom fluid positioned above the bottom portion, a top fluid positioned above the bottom fluid, and a suspended fluid disposed between the bottom fluid and the top fluid, wherein the bottom fluid, the top fluid, And a magnetic layer to which a magnetic property is imparted is provided on an inner side surface portion of the fluid that faces the support, and is magnetically coupled to the support,
The fluid body has a plurality of horizontal buffer spaces formed therein and a plurality of bar-shaped elastic bodies on the respective buffer spaces. The elastic bodies are positioned in the direction orthogonal to the column base,
The elastic body may be,
A rectangular outer elastic body, and a circular elastic body inside the outer elastic body,
The fluid may include,
A plurality of filling bodies filled with a filling material in a height direction between the buffering spaces and a heating means for heating the filling material on an outer circumferential surface or an inner circumferential surface,
Wherein the filling body discharges the filling material through external control to fill the filling material on the adjacent buffer space,
Wherein the filler comprises a molten thermoplastic elastomer resin spray liquid,
The security CCTV system according to claim 1 or 2, wherein the fixed module is provided so that another fixed module is in contact with the fixed module. delete delete delete The method according to claim 1,
The fixing module includes:
A pair of or two pairs of mutually opposing surfaces are formed in a vertical direction so as to surround the struts and the inclined portion is formed in a polygonal or semicircular shape on the basis of a cross section, CCTV system. The method of claim 5,
The fluid may include,
The interrupted fluid flows to be inclined on the lowermost fluid,
The uppermost fluid flows to be inclined on the interrupted fluid,
Wherein the suspended fluid and the uppermost fluid flow are alternately or uniformly flowing toward the strut as needed to trace the sound source. The method of claim 5,
The fluid may include,
Wherein the interrupted fluid flows in a horizontal direction on the lowermost fluid,
The uppermost fluid flows in a horizontal plane on the interrupted fluid,
Wherein the suspended fluid and the uppermost fluid flow are alternately or uniformly flowing toward the strut as needed to trace the sound source. The method of claim 7,
The lowermost fluid, the interrupted fluid, and the uppermost fluid,
And a suction module for rotating the front side facing the stanchion so as to be opposite to the rear side and contacting the stanchion on each rear end,
The adsorption module may include a first adsorption module, a second adsorption module provided in a forward / backward movement type from the first adsorption module, and a third adsorption module provided in a forward / backward movement type from the second adsorption module, system. The method of claim 8,
A first pressing module provided to be movable in a predetermined range on the base body part and providing a pressing force such that the bottom part faces the column,
A second pressurizing module interlocked with the first pressurizing module to provide a pressurizing force such that the lowermost fluid is directed to the post,
A third pressurizing module interlocked with the second pressurizing module to provide a pressurizing force such that the interrupted fluid is directed to the post,
And a fourth pressing module interlocked with the upper side of the third pressing module to provide a pressing force so that the uppermost fluid is directed to the supporting post. The method of claim 9,
The first pressing module is provided with a first tightening module for fixing the first pressing module on the base body, and the second pressing module includes the second pressing module on the upper side, And a third tightening module for fixing the third pressing module on the second pressing module is provided on the upper side of the third pressing module, A fourth tightening module for fixing the fourth pressing module on the third pressing module, and the first pressing module to the fourth pressing module are operated in a manual manner based on a user's operation , And is operated in an automatic manner based on an external control signal, and is operated in a forward rotation or reverse rotation manner,
The second pressing module to the fourth pressing module,
And the uppermost fluid and the uppermost fluid, respectively, and are connected to each other so as to be movable upward and downward from the bar body,
The second pressurizing module rises from the first pressurizing module and provides a pressing force on the lowermost fluid via the bar-shaped body,
The third pressurizing module rises from the second pressurizing module to provide a pressing force on the interrupted fluid via the bar-shaped body,
The fourth pressurizing module ascends from the third pressurizing module to provide a pressing force on the uppermost fluid via the bar-shaped body,
And the second pressing module to the fourth pressing module are moved downward, the sound source can be traced through the first tightening module or the fourth tightening module.

Images