KR102637248B1 - CCTV bracket equipped with horn type sound output device - Google Patents

Abstract

The present invention relates to a CCTV bracket, and more specifically, a horn-type sound output device is provided at the top of the housing, and a camera unit is provided at the bottom of the housing, so that it can monitor the surrounding environment and output a sound signal at the same time. This relates to a CCTV bracket equipped with a horn-type sound output device that can perform various functions.

Description

CCTV bracket equipped with horn type sound output device {CCTV bracket equipped with horn type sound output device}

The present invention relates to a CCTV bracket, and more specifically, a horn-type sound output device is provided at the top of the housing, and a camera unit is provided at the bottom of the housing, so that it can monitor the surrounding environment and output a sound signal at the same time. This relates to a CCTV bracket equipped with a horn-type sound output device that can perform various functions.

Recently, as safety accidents such as molestation and assault against the weak occur frequently in elevators or playgrounds in apartment complexes, the installation of CCTV is becoming mandatory in various places.

In general, CCTVs installed for purposes such as shopping malls have the main purpose of crime prevention, so CCTVs are designed and installed to enable stable surveillance by continuously filming a certain location.

However, as mentioned above, there is a limit to preventing crimes by simply filming and monitoring through cameras, and depending on the location where CCTV is installed, various visual or sound information is required, so a multi-functional CCTV with various functions is required. The need is emerging.

At this time, in the case of multi-functional CCTV, it is obvious that the housing (case, bracket) that makes up the CCTV is formed differently from the housing of a general CCTV according to the various functions added to the CCTV, and one of the technologies for housing for such multi-functional CCTV is Registered Patent Publication No. 10-0975359 (hereinafter referred to as ‘prior art’) is disclosed.

The prior art is intended to prevent pests from being attracted by heat generated from an infrared camera, and relates to a multi-functional surveillance camera equipped with a storage box so that an electric pest exterminator module can be installed. This is a housing to achieve the above purpose. Devices such as storage members, storage boxes, and electric pest exterminator modules are added to the interior.

However, since the above prior art does not add functions such as outputting various sounds, a dedicated housing that can smoothly perform the function is needed in order to smoothly output sound.

Registered Patent Publication No. 10-0975359 2010.08.05.

The present invention was created to solve the problems of the prior art, and the problem to be solved by the present invention is to provide a horn-type sound output device at the top of the housing and a camera unit at the bottom of the housing to improve the surrounding environment. It provides a CCTV bracket equipped with a horn-type sound output device that can perform various functions as it is configured to output sound signals at the same time as monitoring.

The present invention includes a housing 100 having a sound penetration hole 111 formed on the upper surface and a plurality of sound output holes 121 formed on the side; A horn-type sound output device 200 provided on the upper part of the housing 100 to output sound toward the sound through hole 111; A sound transmission unit 300 provided inside the housing 100 and configured to transmit the sound input through the sound penetration hole 111 to the sound output hole 121; A camera unit 400 provided at the lower part of the housing 100 to photograph the surrounding environment; and a control unit that controls the operation of the horn-type sound output device 200 and the camera unit 400.

Meanwhile, the housing 100 includes an upper body 110 in which a sound penetration hole 111 is formed on the upper surface; and a lower body 120 that has a plurality of sound output holes 121 arranged on the side and can be fastened to the lower end of the upper body 110.

Meanwhile, the horn-type sound output device 200 includes an inner horn chamber 210 configured in the form of a hollow tube extending in the vertical direction; an outer horn chamber 220 formed to surround the upper and outer sides of the inner horn chamber 210 to form a first transmission passage W1 through which sound is output between the inner horn chamber 210 and the inner horn chamber 210; and a speaker 240 provided within the inner horn chamber 210 to output sound upward from the inner horn chamber 210.

Meanwhile, the inner horn chamber 210 and the outer horn chamber 220 are fixed so that the lower end is fastened to the upper end of the inner horn chamber 210 and the upper end is fastened to the upper end of the outer horn chamber 220. It can be fixed to maintain a certain distance by the member 230.

On the other hand, the sound transmitting unit 300 includes a central body 310 that extends in the vertical direction and whose upper end is fastened to the lower end of the horn-type sound output device 200; An inner delivery tube (320) configured in the form of a fallopian tube whose diameter increases from top to bottom and fastened to the lower end of the central body (310); And an outer transmission tube that is configured in the form of a fallopian tube whose diameter increases from the top to the bottom, and is fastened to the lower outer circumference of the horn-type sound output device 200 while being spaced a predetermined distance upward from the inner transmission tube 320 ( 330); may include.

Meanwhile, the outer transmission pipe 330 may be fastened so that its upper circumference seals the lower circumference of the outer horn chamber 220 of the horn-type sound output device 200.

Meanwhile, the sound transmission unit 300 may be provided with a sound output hole 121 disposed between the lower ends of the inner transmission pipe 320 and the outer transmission pipe 330.

Meanwhile, the gap between the inner delivery pipe 320 and the outer delivery pipe 330 may be configured to gradually increase downward.

Meanwhile, the camera unit 400 has a lens portion that can rotate 360° and can be installed in the camera installation groove 122 of the lower body 120.

Meanwhile, the camera unit 400 may be fastened to be detachable.

According to the present invention, a horn-type sound output device is provided at the top of the housing, and a camera unit is provided at the bottom of the housing, so that it can monitor the surrounding environment and output a sound signal at the same time, allowing various functions to be performed. There is an advantage.

In addition, according to the present invention, the sound output from the speaker is firstly amplified in the process of passing through the horn-type sound output device, and the amplified sound is configured to be secondarily amplified in the process of passing through the sound transmission unit, thereby maintaining structural characteristics. It has the advantage of being able to amplify sound.

Figure 1 is a perspective view of a CCTV bracket equipped with a horn-type sound output device according to the present invention.
Figure 2 is an exploded perspective view of a CCTV bracket according to the present invention.
Figure 3 is a partially broken perspective view of the CCTV bracket according to the present invention.
Figure 4 is a partial cross-sectional view of the CCTV bracket according to the present invention.
Figure 5 is an exploded perspective view of a horn-type sound output device applied to the present invention.
Figure 6 is a partially broken perspective view of a horn-type sound output device applied to the present invention.
Figure 7 is a partial cross-sectional view of a horn-type sound output device applied to the present invention.
Figures 8a and 8b are diagrams of an installation example of a CCTV bracket according to the present invention.
Figure 9 is a diagram of another embodiment of a CCTV bracket according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings.

The present invention relates to a CCTV bracket, and more specifically, a horn-type sound output device is provided at the top of the housing, and a camera unit is provided at the bottom of the housing, so that it can monitor the surrounding environment and output a sound signal at the same time. This relates to a CCTV bracket equipped with a horn-type sound output device that can perform various functions.

As shown in Figures 1 to 4, the present invention is largely comprised of a housing 100, a horn-type sound output device 200, a sound transmission unit 300, a camera unit 400, and a control unit.

The housing 100 is intended to form the body of a CCTV bracket, and a sound penetration hole 111 is formed on the upper surface and a plurality of sound output holes 121 are formed on the side.

In detail, the housing 100 has an upper body 110 in which a sound penetration hole 111 is formed on the upper surface and a plurality of sound output holes 121 are arranged on the side, so that the housing 100 is located at the bottom of the upper body 110. It includes a lower body 120 that can be fastened.

At this time, the upper body 110 may be provided with a support portion 112 that protrudes downward along the circumference of the sound penetration hole 111.

Meanwhile, a camera installation groove 122 may be formed at the bottom of the lower body 120 in the form of a groove concave upward from the lower surface. In addition, the inner bottom surface of the lower body 120 may be further provided with a holder 123 that protrudes upward and on which the sound transmitting unit 300 is mounted.

The upper body 110 and the lower body 120 configured as above can be assembled by various physical or chemical methods to form the housing 100, and various parts are provided inside to protect it from the external environment. .

Meanwhile, as shown in FIGS. 5 to 7, the horn-type sound output device 200 is for outputting a desired sound, and is installed at the upper part of the housing 100 to output sound toward the sound through hole 111. It is provided in

Here, the horn-type sound output device 200 is configured to primarily amplify the sound in the process of outputting the sound, and for this purpose, it includes an inner horn chamber 210, an outer horn chamber 220, and a speaker 240. It is constructed in the form of a double chamber.

The inner horn chamber 210 is configured in the form of a hollow tube extending in the vertical direction.

The outer horn chamber 220 is formed to surround the top and the outside of the inner horn chamber 210 so that a first transmission passage (W1) through which sound is output is formed between the inner horn chamber 210 and the inner horn chamber 210.

That is, the outer horn chamber 220 is formed in the form of a fallopian tube whose inside is hollow and whose diameter gradually increases downward, and the upper side is sealed and the lower side is open, so that the inner horn chamber ( 210) is provided inside in a non-contact state.

At this time, the inner horn chamber 210 and the outer horn chamber 220 may be fixed to each other by a fixing member 230 while maintaining a certain distance between them.

The fixing member 230 is configured so that its lower end is fastened to the upper end of the inner horn chamber 210 and its upper end is fastened to the upper side of the outer horn chamber 220. For this purpose, a fixing frame 231, an inner high Includes the top (232) and the outer fixing portion (233).

The fixing frame 231 is configured to include a connecting frame 231c that connects a pair of rings spaced apart in the vertical direction and the ring to form the inner horn chamber 210 and the outer horn chamber 220. ) is provided between.

In detail, the fixing frame 231 has the lower ring 231b in close contact with the upper surface of the inner horn chamber 210, and the upper ring 231a in close contact with the inner lower surface of the outer horn chamber 220. A gap is formed between mutual compositions.

At this time, the connecting frame (231c) is configured in the form of a pillar extending in the vertical direction and is radially arranged to connect the upper ring (231a) and the lower ring (231b) and prevent the sound output passage from being sealed. .

Meanwhile, the inner fixing portion 232 is formed to protrude downward from the lower ring 231b of the fixing frame 231 and is disposed radially along the circumference of the lower ring 231b, and has an open inner horn chamber ( 210) is tightly fitted around the top.

In detail, the inner fixing part 232 has a mutual configuration as a taper is formed on the outer edge of the protruding lower end, and a fitting groove is formed into which the circumference of the inner horn chamber 210 opened on the outer circumference is fitted. Can be fitted together.

Meanwhile, the outer fixing part 233 protrudes upward from the upper ring 231a of the upper fixing frame and is fixedly fastened to the top of the outer horn chamber 220.

According to the above-described configuration, the inner horn chamber 210 and the outer horn chamber 220 can be fixed to each other while being spaced apart at a regular interval.

Meanwhile, the speaker 240 is provided to output sound from inside the inner horn chamber 210 to the upper part of the inner horn chamber 210.

As described above, the speaker 240 may have a diameter smaller than the inner diameter of the inner horn chamber 210 and may be configured to extend in the vertical direction, and the output end through which sound is output is the inner horn chamber 210. It is provided with the opening facing upward.

Meanwhile, a speaker mounting portion 211 is formed on the upper inner side of the inner horn chamber 210 to which the upper side of the speaker 240 is fixed, and a speaker fixing portion 250 is fastened to the lower end of the speaker 240 to secure the speaker. (240) may be fixedly installed inside the inner horn chamber 210.

At this time, the speaker seating portion 211 may be configured to restrain the outer circumference of the upper upper side of the speaker 240 so that it does not deviate from the installed position, and may be provided with a cushioning pad made of a material such as rubber, silicone, or elastomer. This allows the top of the speaker 240 to be fixed more stably.

Meanwhile, the speaker fixing part 250 is formed with an input hole through which the speaker 240 is inserted in the center, and is configured to open and close the speaker fixing frame 251 fixed inside the inner horn chamber 210 and the input hole. It includes a speaker cover 252 that supports the lower side of the speaker 240.

At this time, the speaker fixing frame 251 is fixed with its outer circumference in close contact with the inner circumferential surface of the inner horn chamber 210, and the lower end of the speaker 240 is fixed to the upper surface of the speaker cover 252. A groove is formed, and the groove may be further provided with a cushioning pad made of a material such as rubber, silicone, or elastomer.

Accordingly, the speaker 240 is located on the inner upper side of the inner horn chamber 210 through the input hole. After the speaker 240 is placed, the input hole is sealed with the speaker cover 252. , the speaker cover 252 presses the bottom of the speaker 240 upward and restrains the top and bottom of the speaker 240, so that the speaker 240 can be fixedly installed.

In addition, if the speaker 240 breaks down or requires inspection, the speaker 240 can be separated and handled by opening the input hole.

According to the above configuration, when sound is output from the speaker 240, the horn-type sound output device 200 amplifies the sound first while passing through the first transmission passage W1 and transmits it to the sound penetration hole 111. It can be.

Meanwhile, as shown in Figures 2 to 4, the sound transmitting unit 300 is for amplifying and transmitting the sound output from the horn-type sound output device 200, and is input into the sound through hole 111. It is configured to transmit the sound to the sound output hole 121 and is provided inside the housing 100.

Here, the sound transmission unit 300 includes a central body 310, an inner transmission pipe 320, and an outer transmission pipe 330.

The central body 310 extends in the vertical direction and its upper end is fastened to the lower end of the horn-type sound output device 200.

In detail, the upper end of the central body 310 is inserted and fastened to the lower side of the inner horn chamber 210 of the horn-type sound output device 200 to provide the sound transmitting unit 300 and the horn-type sound output device 200. are organically connected to each other.

Meanwhile, the inner delivery tube 320 is configured in the form of a fallopian tube whose diameter increases from top to bottom and is fastened to the lower end of the central body 310.

As described above, the inner delivery tube 320 is configured in the form of a fallopian tube with the upper and lower ends opened, and the upper circumference is provided to be connected to the lower end of the central body 310, and a holder ( 123).

Meanwhile, the outer transmission tube 330 is configured in the form of a fallopian tube whose diameter increases from the top to the bottom, and is spaced a predetermined distance upward from the inner transmission tube 320 and is positioned on the outer side of the horn-type sound output device 200. It is fastened to the bottom circumference.

As described above, the outer delivery tube 330 is configured in the form of a fallopian tube with the upper and lower ends opened, and is provided to be spaced upward so that a second delivery passage (W2) is formed between it and the inner delivery tube 320. .

In addition, the outer transmission pipe 330 is fastened so that its upper circumference seals the lower circumference of the outer horn chamber 220 of the horn-type sound output device 200, so that the sound transmitted from the horn-type sound output device 200 is suppressed. 2 Allows it to flow into the delivery channel (W2).

The sound transmission unit 300 configured as described above is provided with a sound output hole 121 disposed between the lower end of the inner transmission pipe 320 and the outer transmission pipe 330, so that the sound output hole 121 can be transmitted from the horn-type sound output device 200. The output sound may be output to the sound output hole 121 through the second transmission path (W2).

At this time, in order to allow the sound to be amplified secondarily in the process of passing through the second transmission passage (W2), the gap between the inner transmission pipe 320 and the outer transmission pipe 330 may be configured to gradually increase downward. .

In addition, between the inner transmission pipe 320 and the outer transmission pipe 330, a plurality of first space maintaining parts 340 are radially disposed to connect the components, so that the distance between the components is constant. It can be maintained.

In addition, between the central body 310 and the upper periphery of the outer transmission pipe 330, a plurality of second space maintaining portions 350 connecting the components are radially disposed to keep the distance between the components constant. It can be maintained.

Meanwhile, a fixing cover 130 is provided in the sound output hole 121 where the horn-type sound output device 200 is installed so that it is fixed in the position installed on the horn-type sound output device 200.

In detail, the fixing cover 130 has a hole formed in the center through which the horn-type sound output device 200 is inserted, and a fixing protrusion that fits into the sound output hole 121 is provided on the lower surface, thereby forming a horn-type sound output device 200. With the sound output device 200 coupled to the housing 100, the fixing cover 130 is coupled to the sound output hole 121 to stably fix the horn-type sound output device 200 in the installed position.

At this time, a rubber packing is provided around the inner circumference of the fixing cover 130 to elastically support the outer circumference of the horn-type sound output device 200.

Meanwhile, the camera unit 400 is provided at the lower part of the housing 100 to capture the surrounding environment.

In detail, the camera unit 400 is configured so that the lens part for photographing the external environment can be rotated 360°, is installed in the camera installation groove 122 of the lower body 120, and is electrically connected to the control unit to take pictures. One video can be transmitted.

At this time, the camera unit 400 is fastened to be detachable and can be separated from the housing 100 when necessary.

Meanwhile, the control unit (not shown) is for controlling the CCTV bracket and can control the operations of the horn-type sound output device 200 and the camera unit 400.

As described above, the control unit is configured to perform various functions by being connected to a management device such as a smart device, a management server, etc. by wire or wirelessly, and is provided inside the housing 100.

For example, the control unit transmits the video captured by the camera unit 400 to the management device in real time, and the management device outputs the video through a screen output device to monitor and manage the place where the CCTV bracket is installed. .

At this time, the camera unit 400 is equipped to rotate 360°, and a command can be transmitted through the management device to project the scenery in a desired direction. This can be done directly by the manager through the management device or according to a certain cycle. The camera unit 400 can be set in advance to rotate.

In addition, the control unit allows the horn-type sound output device 200 to output various types of sounds (sound sources), and can output various sound information such as simple advertisements, music, lifestyle information, or warning sounds.

As described above, the control unit can normally transmit sound sources such as advertisements, music, weather, or news, and output a warning sound when it is determined that an emergency has occurred in the video captured by the camera unit 400.

At this time, the housing 100 is equipped with a detection sensor, and when it detects that a pedestrian exists within a set range, the control unit can automatically transmit a sound source as usual.

In addition, the housing 100 is equipped with a sound sensor (microphone), so that when a sound related to crime prevention or pedestrian safety is recognized, an alarm sound is automatically output, or the manager can directly input a command through the management device. there is.

At this time, the information about the sound to be recognized by the controller can be set in advance by the manager to a specific word or a decibel (Db) exceeding a certain level.

Meanwhile, as shown in FIGS. 8A and 8B, the CCTV bracket according to the present invention is provided to surround the housing 100 and the horn-type sound output device 200 and is a connection cover fastened to the installation stand (B) of the structure. It may further include (500).

As described above, the present invention is used by being installed on the top of a building or various installations extended in the vertical direction. At this time, the CCTV bracket can be used in direct connection with the installation stand (B), but the CCTV bracket is connected to the connection cover 500. Durability can also be improved by being installed on the structure with the top of the bracket protected.

The connection cover 500 is configured to surround the upper part of the CCTV bracket to protect the horn-type sound output device 200 and the upper part of the housing 100 from the external environment.

At this time, a skirt portion protruding slanted outwardly and downward is further provided around the lower end of the connection cover 500 to protect the side perimeter of the housing 100 and provide an additional aesthetic effect.

Meanwhile, depending on installation conditions or aesthetic standards, the CCTV bracket can be fastened to the installation stand (B) by selecting either vertical or horizontal direction.

In detail, when fastened to the installation base (B) in the vertical direction, a coupling member 510 is provided at the top of the connection cover 500 and is fastened to the installation base (B), and is connected to the installation base (B) in the horizontal direction. When fastened, a coupling member 510 is provided on the upper surface or side of the connection cover 500 and can be fastened to the installation stand (B).

At this time, the coupling member 510 may be composed of various physical and chemical tools, which can be selected and used as convenient for the operator depending on the direction of fastening.

Meanwhile, as shown in FIG. 9, a lighting unit 600 may be further provided around the outer circumference of the housing 100.

As described above, a lighting installation groove is formed along the periphery of the outside of the housing 100, and the lighting unit 600 is formed in the form of a band with a plurality of LEDs embedded therein, and is detachably fastened to the lighting installation groove. You can.

Meanwhile, the lighting unit 600 is electrically connected to the control unit 400 and can be operated by the control unit 400.

As shown in FIG. 9, the housing 100 may be further equipped with an auxiliary device 700 that is composed of a crime prevention device or a communication device and is detachably fastened to the outside of the connection cover 500.

In detail, the auxiliary device 700 consists of a crime prevention device such as a fixed surveillance camera or a crime prevention radar device that continuously photographs and monitors a fixed location, and is installed on the outside of the connection cover 500. It can be used for crime prevention purposes.

Alternatively, the auxiliary device 700 may be composed of a communication device such as an antenna or a wireless communication device, and may support communication between the CCTV bracket and the management server.

Of course, the auxiliary device 700 can add various functions by installing a combination of a crime prevention device and a communication device.

Although the preferred embodiments of the present invention have been described above, the scope of the rights of the present invention is not limited thereto, and it should be understood that the scope of the rights of the present invention extends to the scope substantially equivalent to the embodiments of the present invention. Various modifications can be made by those skilled in the art without departing from the spirit of the invention.

B: Installation stand
W1: 1st transmission channel W2: 2nd transmission channel
100: housing
110: upper body 111: sound through hole
112: support part
120: lower body 121: sound output hole
122: Camera installation groove 123: Holder
130: Fixed cover
200: Horn type sound output device
210: Inner horn chamber 211: Speaker seating portion
220: outer horn chamber
230: Fixing member 231: Fixing frame
231a: upper ring 231b: lower ring
231c: connection frame
232: inner fixing part 233: outer fixing part
240: speaker
250: Speaker fixing part 251: Speaker fixing frame
252: Speaker cover
300: Sound transmission unit
310: central body 320: inner transmission tube
330: outer transmission pipe 340: first gap maintenance part
350: 2nd gap maintenance part
400: Camera unit
500: Cover for connection 510: Coupling member
600: Lighting unit 700: Auxiliary device

Claims (10)

A housing 100 having a sound penetration hole 111 formed on the upper surface and a plurality of sound output holes 121 formed on the side;
A horn-type sound output device 200 provided on the upper part of the housing 100 to output sound toward the sound through hole 111;
A sound transmission unit 300 provided inside the housing 100 and configured to transmit the sound input through the sound penetration hole 111 to the sound output hole 121;
A camera unit 400 provided at the lower part of the housing 100 to photograph the surrounding environment; and
A control unit that controls the operation of the horn-type sound output device 200 and the camera unit 400;
Includes,
The horn type sound output device 200,
An inner horn chamber 210 configured in the form of a hollow tube extending vertically;
an outer horn chamber 220 formed to surround the upper and outer sides of the inner horn chamber 210 to form a first transmission passage W1 through which sound is output between the inner horn chamber 210 and the inner horn chamber 210; and
A speaker 240 provided within the inner horn chamber 210 to output sound upward from the inner horn chamber 210;
Includes,
The inner horn chamber 210 and the outer horn chamber 220,
The lower end is fastened to the upper end of the inner horn chamber 210, and the upper end is fastened to the upper end of the outer horn chamber 220 by a fixing member 230 to maintain a certain gap. A CCTV bracket equipped with a horn-type sound output device.
In claim 1,
The housing 100 is,
An upper body 110 in which a sound penetration hole 111 is formed on the upper surface; and
A lower body 120 with a plurality of sound output holes 121 arranged on the side and provided to be fastened to the lower end of the upper body 110;
A CCTV bracket equipped with a horn-type sound output device, characterized in that it includes.
delete delete A housing 100 having a sound penetration hole 111 formed on the upper surface and a plurality of sound output holes 121 formed on the side;
A horn-type sound output device 200 provided on the upper part of the housing 100 to output sound toward the sound through hole 111;
A sound transmission unit 300 provided inside the housing 100 and configured to transmit the sound input through the sound penetration hole 111 to the sound output hole 121;
A camera unit 400 provided at the lower part of the housing 100 to photograph the surrounding environment; and
A control unit that controls the operation of the horn-type sound output device 200 and the camera unit 400;
Includes,
The sound transmitting unit 300,
A central body 310 that extends in the vertical direction and whose upper end is coupled to the lower end of the horn-type sound output device 200;
An inner delivery tube (320) configured in the form of a fallopian tube whose diameter increases from top to bottom and fastened to the lower end of the central body (310); and
The outer transmission tube 330 is configured in the form of a fallopian tube whose diameter increases from the top to the bottom, and is fastened to the lower outer circumference of the horn-type sound output device 200 while being spaced a predetermined distance upward from the inner transmission tube 320. );
A CCTV bracket equipped with a horn-type sound output device, characterized in that it includes.
In claim 5,
The outer transmission pipe 330 is,
A CCTV bracket equipped with a horn-type sound output device, characterized in that the upper circumference is fastened to seal the lower circumference of the outer horn chamber 220 of the horn-type sound output device 200.
In claim 5,
The sound transmitting unit 300,
A CCTV bracket equipped with a horn-type sound output device, characterized in that a sound output hole 121 is disposed between the inner transmission pipe 320 and the lower end of the outer transmission pipe 330.
In claim 5,
The distance between the inner transmission pipe 320 and the outer transmission pipe 330 is,
A CCTV bracket equipped with a horn-type sound output device that gradually becomes louder as it moves downward.
In claim 1,
The camera unit 400,
A CCTV bracket equipped with a horn-type sound output device, characterized in that the lens part is configured to rotate 360° and is installed in the camera installation groove 122 of the housing 100.
In claim 1,
The camera unit 400,
A CCTV bracket equipped with a horn-type sound output device that is detachably fastened.