KR200320712Y1 - Camera with pantilt - Google Patents

Abstract

The present invention relates to a pan tilt camera, a pan motor is installed inside the housing to rotate the surveillance camera in the left and right directions, and a central axis connected to the rotating plate of the tilt driver is installed in the housing, and the pan A fan driver formed by connecting a motor and the central shaft to a power transmission means; A tilt driver provided with a tilt motor installed on a bracket of the rotating plate to rotate the monitoring camera in a vertical direction, and a camera fixing bracket coupled to the tilt motor to move the seesaw; A surveillance camera fixed to the tilt driver and provided with a sliding cover on an outer circumferential surface thereof; And a control unit having a built-in microcomputer for operation of the fan motor and the tilt motor and processing of an input signal to rotate the surveillance camera in the up, down, left, and right directions, and particularly, the surveillance camera. The present invention relates to a pan tilt camera which provides a means for controlling the rotation range while providing a simple structure for a pan driving part and a tilt driving part for rotating in up, down, left and right directions.

Description

Pan Tilt Camera {CAMERA WITH PANTILT}

The present invention relates to a pan tilt camera, and more particularly, to a pan tilt camera that provides a means for controlling the rotation range while providing a simple structure of the pan driving unit and the tilt driving unit for rotating the surveillance camera in the vertical and horizontal directions. will be.

In general, surveillance cameras are used to prevent illegal activities or theft in certain places such as houses, roads, parking lots, department stores, banks and exhibition halls.

Surveillance cameras used as described above can be checked through the image displayed on the monitor installed in the monitoring place, such as offices by taking a surveillance area, and if necessary, only the desired scene can be recorded using the VCR.

Surveillance cameras used in such a place has a fixed camera that can monitor only a certain area, there is a rotational camera having a pan motor and a tilt motor, that is, a pan tilt camera to monitor a wide range of areas.

However, the most commonly used fixed cameras are fixedly installed so that the direction cannot be changed, so that when a specific place is to be monitored in a wide or divided area, the surveillance camera is divided into multiple locations. There was a problem that should be installed by monitoring.

Therefore, recently, as the rotatable camera, a user can remotely control a photographing direction through a wireless or wired operation, or rotate a vertically and horizontally for a predetermined rotation range by a set program to monitor a specific place. The trend is to use a pan tilt camera.

As described above, a pan / tilt camera capable of photographing the surroundings while rotating in the vertical and horizontal directions is disclosed in Korean Patent Registration No. 335967. In the pan / tilt camera as shown in FIG. Camera 120; A first housing 130 accommodating part or all of the camera 120 and rotatable left and right integrally with the camera 120; Rotatably coupled to both sides of the first housing 130 and fixedly coupled to the bracket 124 embedded in the first housing 130 to fix the camera 120, and to the camera 120. A tilt shaft serving as a central axis for simultaneously rotating the bracket 124 in an up and down direction and having a separate gear part at a predetermined position; A tilt movement means (160) accommodated in the first housing (130) and connected to the tilt shaft to rotate the camera in a vertical direction; A fan shaft 188 fixedly coupled to a lower portion of the first housing 130 and extending in a vertical direction; A fan movement means (180) connected to the fan shaft (188) and operating separately from the tilt movement means (160) to rotate the first housing (130) from side to side; A second housing 140 accommodating the fan movement means 180; And generating an interrupt signal periodically at predetermined time periods to drive the two movement means 160 and 180 to directly move the camera 120 horizontally and vertically moved by the two movement means 160 and 180 along the subject. By controlling the rotational speed of the two movement means (160, 180) for each interrupt signal, it comprises a control means 110 for controlling each alternately in the desired direction.

The pan / tilt camera configured as described above, when the reduction gear box for reducing the tilt motor rotation is coupled with the tilt gear, and the camera fixing bracket 124 is rotated by the tilt gear, the camera fixing bracket 124 ) And the camera 120 fixed thereto are rotated in the vertical direction at the same time to vertically rotate the camera 120.

In addition, the reduction gear box 190 to reduce the rotation of the fan motor 182 is coupled to the fan gear 186, the fan gear 186 is coupled to the fan shaft 188 to the fan shaft 188 The fan shaft 188 is coupled to the first housing 130 in which the camera 120 is installed, so that the fan shaft 188 rotates the first housing 130 in left and right directions according to the rotation of the fan shaft 188. The camera 120 is rotated horizontally.

In the conventional pan / tilt camera operated as described above, the tilt movement means 160 and the pan movement means 180 are coupled to a plurality of gears so that power is transmitted, and teeth formed on the outer circumferential surface of one gear ( I) If the gear breaks or wears out and loses its function as a gear, or if the gear of the engaged gear is disengaged, the pan / tilt camera stops rotating and cannot take a picture in a desired direction. / The coupling structure between the components constituting the tilt camera has a problem that it is difficult to quickly and easily repair in the event of a malfunction or malfunction. In addition, since the first housing 130 and the camera fixing bracket 124 are rotated horizontally or vertically by the fan motor 182 and the tilt motor in a state where a plurality of gears are coupled, the vibration of the gear is transmitted to the camera 120. Not only is the recording unclear due to the blurring of the screen during shooting, but the administrator who monitors it easily becomes tired when the user gazes at the image where the blur is displayed for a long time. There was this weakening issue.

In addition, since the lens of the camera 120 is exposed to the outside, when there is an external impact, the camera may be easily damaged, and the lens of the camera 120 may be dirty due to foreign matter such as dust around. There was a problem interfering with.

The present invention has been devised to solve the conventional problems as described above, an object of the present invention is to simply configure the power transmission system to have a simple configuration in the fan drive unit for rotating the surveillance camera horizontally (rotate left and right). It is to provide a pan tilt camera that is easy to manufacture and that there is no fear of malfunction or malfunction.

Still another object of the present invention is to provide a pan tilt camera that can automatically move the position of the surveillance camera in a range set by an external input means, or control the direction of the surveillance camera to a desired position. To provide.

1 is an exploded perspective view of a pan tilt camera according to the present invention,

2 is a perspective view of a state in which the tilt driving unit and the fan driving unit, which are the configuration of the pan tilt camera according to the present invention, respectively,

3 is a cross-sectional view of the assembled state of the pan tilt camera according to the present invention,

4 is a sectional view of a pan tilt camera according to another embodiment of the present invention;

5 is a side view showing the internal configuration of a conventional pan / tilt camera.

* Description of the symbols for the main parts of the drawings *

1: fan drive unit 2: tilt drive unit

4: surveillance camera 5: fan motor

6: control unit 7: tilt motor

8: cover 10: housing

11: upper surface 12: lower protrusion

13: central hole 14: flange

15,22,27: Shaft hole 16,36: Stopper

20: Camera fixing bracket 21: Fixed end

23: support shaft 24: guide shaft

25: bracket 26: guide groove

30: rotating plate 31: outer peripheral surface

32: boss 33: through hole

34: cover plate 35: male part

40: sliding cover 41: plug

42: socket 50: fan rotation shaft

51: bearing 52: central axis

53: main pulley 54: auxiliary pulley

55: belt 61: light emitting diode

62: light receiving diode 70: tilt rotation axis

81: female thread 82: transparent window

The object of the present invention is a pan tilt camera for capturing an image while the surveillance camera is rotated in the vertical, left, and right directions, and a fan motor is installed inside the housing to rotate the surveillance camera in the left and right directions. A central shaft connected to the rotating plate of the tilt driver in the housing, the central shaft connected to the rotating plate, and the fan motor and the central shaft connected to each other by a power transmission means; A tilt driver provided with a tilt motor installed on a bracket of the rotating plate to rotate the monitoring camera in a vertical direction, and a camera fixing bracket coupled to the tilt motor to move the seesaw; A surveillance camera fixed to the tilt driver and provided with a sliding cover on an outer circumferential surface thereof; And a control unit having a built-in microcomputer for operating the pan motor and the tilt motor and processing an input signal to rotate the surveillance camera in the up, down, left, and right directions. Is achieved.

Preferably, the fan motor has a fan rotation shaft is formed to protrude to the outside, the fan drive unit, the main pulley coupled to the fan rotation shaft of the fan motor; An auxiliary pulley coupled to a central shaft arranged in a central hole formed at a center of the housing; And a belt which interconnects the main pulley to transmit the rotational force to the auxiliary pulley, wherein the lower surface of the rotating plate is fixed to the auxiliary pulley to be rotated in the horizontal direction according to the rotation of the fan motor. It is achieved by a pan tilt camera.

More preferably, the stopper is formed at a predetermined position on the upper surface of the housing, and the stopper is formed on the lower surface of the rotating plate corresponding thereto.

In addition, a light emitting diode or a light receiving diode is formed at a predetermined position in the upper portion of the housing and the lower portion of the rotating plate to position the surveillance camera, so that the position signal detected by the light emitting diode and the light receiving diode is transmitted to the controller. What is characterized in that is achieved by a pan tilt camera.

In addition, the camera fixing bracket has a shaft hole is formed on one side so that the tilt rotation axis of the tilt motor is coupled, the support shaft is formed on the other side, the fixed end for fixing the surveillance camera is formed; The bracket is a shaft hole is formed so that the camera fixing bracket is coupled to seesaw movement; Tilt rotation axis of the tilt motor fixed to one side of the bracket is connected to the shaft hole of the camera fixing bracket is achieved by a pan tilt camera, characterized in that rotated in the vertical direction in accordance with the rotation of the tilt motor.

The guide shaft is formed to protrude outwardly of the camera fixing bracket, and the guide shaft of the camera fixing bracket is inserted into the guide so that a semi-circular guide groove is formed in the bracket so as to be guided by a predetermined rotation range. Is achieved.

In order to protect the surveillance camera from the external environment, a male screw portion is formed on the outer circumferential surface of the rotating plate, and a female screw portion is formed on the lower inner circumferential surface of the cover on which the transparent window is formed with respect to the vertical rotation range of the surveillance camera. It is achieved by a pan tilt camera characterized in that the combined.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described.

1 is an exploded perspective view of the pan tilt camera according to the present invention, the pan tilt camera according to the present invention is a main pulley for transmitting power by the fan motor 5 and the belt 55 in the housing 10 ( 53) and the fan drive unit 1, the auxiliary pulley 54 is installed, the tilt motor (7) and the camera fixing bracket (20) by the seesaw movement is coupled to the rotating plate 30 is coupled to the fan drive unit (1) Tilt control unit (2), the camera for fixing the camera fixing bracket 20, the control unit (6) for controlling the rotational movement of the fan driving unit (1) and the tilt driving unit (2) It is configured, the above components are divided into each of the moving parts as shown in Figure 2, and combined as shown in Figure 3 to form a pan tilt camera according to the present invention.

First, in the order in which the plurality of components illustrated in FIG. 1 are combined, the housing 10 constituting the fan driving unit 1 may have a space in which the control unit 6 and the fan motor 5 are installed. It is provided to support a plurality of components constituting the pan tilt camera, the lower portion is open to facilitate the control unit 6 and a plurality of circuit boards, etc., the upper portion is blocked ( 11 is formed in a cylindrical shape having a lower portion in the center so that the upper surface 11 is connected to the rotating plate 30 of the tilt driving part 2 so that the central shaft 52 for directly driving the insert can be fixed. A protrusion 12 is formed, and a central hole 13 is formed at the center of the lower protrusion 12 so that the central shaft 52 is inserted, and spaced apart from the central hole 13 by a predetermined distance. The fan rotation shaft 50 of the fan motor 5 The chukhol 15 for the tube is exposed to the upper portion are formed. In addition, a flange 14 having a plurality of fixing holes formed at predetermined intervals is formed in the outer circumferential direction of the housing 10 to fix the pan tilt camera according to the present invention to a wall or a ceiling. Here, the lower protrusion 12 formed at the center of the upper surface 11 of the housing 10 extends by a predetermined length so that the central shaft 52 is sufficiently inserted and fixed.

In addition, a hole is formed at a predetermined position of the lower end of the housing 10, and is connected to the control unit 6 through the hole to monitor an image signal captured by a power input, a signal input, or a monitoring camera 4 as a monitor. The cable for transmission is extended to the outside to be connected to an external device not shown.

The fan motor 5 fixed to the inside of the housing 10 by a bolt is a device for rotating the surveillance camera 4 in left and right directions, and the fan rotation shaft 50 of the fan motor 5 is rotated. The main pulley 53 is inserted into the shaft hole 15 formed in the upper plate of the housing 10, and the main pulley 53 for transmitting rotational force through the belt 55 is coupled to the fan rotation shaft 50 protruding upward. It is rotatably installed on the top plate of.

The auxiliary pulley 54 which rotates the rotating plate 30 in association with the main pulley 53 of the fan motor 5 installed inside the housing 10 is located in the central hole 13 of the housing 10. It is coupled to the central axis 52 is inserted to be rotatable. Here, the bearing 51 is inserted into the lower protrusion 12 extending from the central hole 13 to facilitate the rotation of the central shaft 52, the central hole 13 of the bearing 51 The central shaft 52 is fitted into the coupling, and a predetermined depth at the lower end of the central shaft 52 in order to prevent the central shaft 52 from being separated from the central hole 13 or slipping in the vertical direction. A snap ring is fastened to a groove formed as an upper portion, and an auxiliary pulley 54 is coupled to an upper portion of the central shaft 52 so as to be interlocked by the main pulley 53 and the belt 55. In order to smoothly rotate the auxiliary pulley 54, an auxiliary pulley storage groove is formed at a predetermined width in the center of the upper surface 11 of the housing 10, and the center shaft 52 and the auxiliary pulley 54 In the center is formed a central hole 13 penetrating the inside so that a plurality of wires for connecting the surveillance camera 4 and the tilt driver 2 can pass. In addition, at least two female threaded portions 81 are formed at an upper portion of the auxiliary pulley 54 so as to be coupled to the lower surface of the rotating plate 30 so that the tilt driver 2 may be rotated in the horizontal direction. As the belt 55 which is one of the power transmission means for transmitting the rotational force of the fan motor 5 to the central shaft 52, a strong O-shaped belt 55 or V-shaped belt 55 is used. It is fitted around the groove formed on the outer circumferential surface of the main pulley 53 and the auxiliary pulley 54 spaced at a predetermined interval to rotate the central shaft 52 with the rotation of the fan rotation shaft (50).

The surveillance camera (4) is coupled to the fan driving unit (1) to the rotating plate (30) which rotates the surveillance camera (4) in left and right directions in conjunction with the rotation of the fan rotation shaft (50) of the fan motor (5). ) Is fixed to the bracket 25 for positioning the tilt motor (7) for rotating in the vertical direction, the outer peripheral surface 31 of the rotating plate 30 is the tilt motor (7) and the bracket (25) It is formed to form a side at a predetermined height so as not to be exposed to the outside, a plurality of bosses 32 to be coupled to the cover plate 34 for covering the upper portion of the rotating plate 30 inside the outer circumferential surface 31. ) Is formed to protrude. The cover plate 34 is a means for covering the upper part of the rotating plate 30 so that the tilt motor 7 is not exposed to the outside and beautifully appearance. The cover plate 34 is provided on the surveillance camera 4 at one side of the upper surface. The socket 42 for connecting the plug 41 formed at the end of the connected wire is formed, and the upper surface circumference has a corresponding position to be coupled by the bolt and the boss 32 formed on the rotating plate 30. Many bolt holes are formed.

The lower surface of the rotating plate 30 is bolted to the female threaded portion 81 formed on the auxiliary pulley 54 of the fan driving unit 1, the auxiliary pulley 54 is interlocked when the fan rotation shaft 50 rotates. ) And the rotating plate 30 integrally coupled to the rotating plate 30 is rotated at the same time to rotate the surveillance camera 4 installed in the tilt driving unit 2 in the left and right directions. In addition, a plurality of through holes 33 are formed in the center of the rotating plate 30 so as to extend in the central hole 13 penetrating through the central shaft 52 of the fan driving unit 1. An electric wire is connected to the surveillance camera 4 and the tilt motor 7 through the through hole 33. As described above, the rotating plate 30 coupled to the tilt driving unit 2 is fixed to the camera integrally coupled with the tilt rotation shaft 70 when the tilt rotation shaft 70 is rotated forward and reverse by an operation signal of the controller 6. The bracket 20 is rotated at the same time to rotate the surveillance camera 4 in the horizontal direction in the range of 0 ~ 180 ° can be changed the position of the surveillance camera (4).

The tilt motor 7, which is fixed to the vertical portion of one side of the bracket 25 fixedly attached to the center of the rotating plate 30, by the bolt, is used to rotate the monitoring camera 4 in the vertical direction. The tilt rotation shaft 70 of the tilt motor 7 is connected to the shaft hole 22 formed in the vertical portion of the downwardly bent side of the camera fixing bracket 20 which is coupled to the upper portion of the camera fixing bracket 20 and the camera is fixed. The support shaft 23 protruding from the other vertical portion of the bracket 20 is fitted into the shaft hole 27 formed at the other vertical portion of the bracket 25 and coupled thereto. Here, as a means for limiting the range of seesaw movement by the camera fixing bracket 20, a semicircular guide groove 26 is formed at a predetermined position of the other vertical portion of the bracket 25, the camera fixing The guide shaft 24 protrudes from the other vertical portion of the bracket 20 at a position corresponding to the guide groove 26, and drives the tilt motor 7 fixedly installed at one vertical portion of the bracket 25. The guide shaft 24 of the camera fixing bracket 20 is rotated along the guide groove 26 of the bracket 25 by the rotation of the tilt rotation shaft 70 in the up and down direction. By rotating the surveillance camera (4). Therefore, the pan driving unit 1 allows the surveillance camera 4 to be rotated from 0 to 360 ° in the left and right directions and from 0 to 90 ° in the up and down directions, thereby photographing in all directions.

Preferably, in order to prevent the rotating plate 30 from being rotated by at least 360 ° in the horizontal direction by the fan driving unit 1, a stopper having a protrusion shape is formed at a predetermined position of the upper surface 11 of the housing 10. 16 is formed, and the stopper 36 of the projection shape is formed at a predetermined position on the lower surface of the rotating plate 30 corresponding thereto, respectively, so that the rotation range of the surveillance camera 4 is 0 to 350 °. Since the fan motor 5 is rotated forward and reverse, the rotating plate 30 is repeatedly rotated in the left and right directions. As such, the stopper 16 and 36 are formed on the rotating plate 30 and the housing 10 to limit the rotation range in the left and right directions. The monitoring camera 4 and the tilt motor 7 are left and right. The control unit 6 is installed on the rotating plate 30 which rotates in the direction, and drives the monitoring camera 4 and the tilt motor 7 to the housing 10 fixed to a wall or a ceiling. Therefore, when the rotating plate 30 coupled to the fan rotation shaft 50 of the fan motor 5 is continuously rotated in one direction, the control unit 6 and the monitoring camera 4 ), The wires connected to the tilt motor 7 are continuously twisted, so that the joints of the wires may be disconnected from the control unit 6, and there is a risk of damage to the devices if the user arbitrarily rotates the rotating plate 30. Because.

In the present invention, the stoppers 16 and 36 are formed to be limited to a rotation range of 0 to 350 ° in the left and right direction, but are not limited thereto, and the left and right rotation ranges are adjusted by adjusting the separation distance of the stopper 36 as necessary. It is also possible to carry out by adjusting freely.

The control unit 6 fixedly installed in the housing 10 transmits a driving signal to the fan motor 5 and the tilt motor 7 to control the rotation direction and speed of the surveillance camera 4. To this end, a microcomputer for processing and setting the position of the input signal for the movement direction and speed of the fan motor (5) or the tilt motor (7) by an external input signal; And a plurality of memory means for storing programs and data necessary for the operation of the microcomputer.

In addition, the control unit 6 is provided with a position setting sensor when the power is input to the control unit 6, the fan motor 5 and the tilt motor 7 to drive the of the surveillance camera (4) Set the initial shooting position. Here, the sensing device for sending a signal to the positioning sensor is composed of a light emitting diode 61 and a light emitting diode 62 connected to the control unit 6, respectively, the light emitting diode 61 is the upper portion of the housing 10 The surface 11 is inserted into and fixed in a hole drilled to a predetermined size at a predetermined position, and the light receiving diode 62 is inserted into and fixed downward in a hole drilled to a predetermined size in the predetermined position of the rotating plate 30 and the It is provided to face the light emitting diode 61. Therefore, when power is input to the control unit 6, the position of each other is sensed by the light emitting diode 61 and the light receiving diode 62 to set an initial photographing position of the monitoring camera 4. Instead of using the light emitting diode 61 and the light receiving diode 62 as a positioning sensor for setting the initial photographing position of the monitoring camera 4, an electromagnet or the like may be used.

The surveillance camera 4 located at the fixed end 21 of the camera fixing bracket 20 slides forward and backward on the outer circumferential surface of the case in order to prevent the upper part of the camera from being exposed while protecting the lens from sunlight or rainwater. Sliding cover 40 is formed.

2 is a perspective view of a state in which the tilt driving unit 2 and the fan driving unit 1, which are configurations of the pan tilt camera according to the present invention, are assembled, respectively, and the fan driving unit 1 has a tilt for the control unit 6 and the fan driving unit. A motor 7, a main pulley 53, an auxiliary pulley 54, and the like are installed and integrated in the housing 10. The tilt driving unit 2 is equipped with a monitoring camera 4 to perform tilt driving. Tilt motor 7 and the bracket 25 to perform, the camera fixing bracket 20 is formed integrally, the monitoring camera to be fixed to the fixed end 21 of the camera fixing bracket 20 The state in which 4 is located is shown.

2, the auxiliary pulley 54 of the fan driving unit 1 and the rotating plate 30 of the tilt driving unit 2 are coupled to each other by bolts, and coupled to an upper portion of the tilt driving unit 2. When the surveillance camera 4 is fixed to the fixed end 21 of the camera fixing bracket 20 with a bolt, a pan tilt camera as shown in FIG. 3 is completed.

The pan tilt camera according to the present invention shown in FIG. 3 is rotated at the same time as the fan motor 5 is rotated by the fan driving signal of the control unit 6, and the main pulley 53 is rotated. An auxiliary pulley 54 connected to 55 is rotated, and the rotating plate 30 coupled with the auxiliary pulley 54 is rotated so that the monitoring camera 4 is rotated in the left and right directions. As the tilt motor 7 is rotated by the tilt driving signal of the camera, the camera fixing bracket 20 connected to the tilt rotation shaft 70 of the tilt motor 7 is seesawed and the surveillance camera 4 is moved. Rotate up and down direction. At this time, the left and right rotation of the rotating plate 30 by the fan motor 5 is made to rotate left and right within the limited rotation range by the stopper (16,36) formed in the housing 10 and the rotating plate 30, respectively. Up and down rotation of the camera fixing bracket 20 by the tilt motor 7 is in the upper and lower rotation range by the guide shaft 24 sliding along the guide groove 26 formed in the bracket 25. But war is done.

4 is a cross-sectional view of a pan tilt camera according to another embodiment of the present invention, in which the cover 8 is coupled to protect the surveillance camera 4 coupled to the tilt driving unit 2 from an external environment. Is shown.

As shown in FIG. 4, the male screw part 35 is formed on the outer circumferential surface 31 so that the cover 8 is coupled to the outer circumferential surface 31 of the rotating plate 30, and the cover is formed in a dome shape. A female screw portion 81 is formed on the lower inner circumferential surface of (8) so that the cover (8) is screwed to the rotating plate (30).

On the other hand, the cover 8 may be formed transparently, but is mainly formed in a dark color or in the same color as the main body in order to prevent harmonization with the surrounding environment and exposure of the surveillance camera 4. In addition, an oval transparent window 82 is formed in accordance with the lens focus of the surveillance camera 4 and the vertical rotation range by the tilt motor 7 to smoothly capture the surveillance camera 4. It is supposed to be.

The control unit 6 for controlling the pan tilt camera according to the present invention can be used in connection with a variety of external devices, in particular can be used in connection with one or more computers by connecting to a USB port, The control can be remotely controlled and operated by keyboard operation of a computer connected to the USB port as well as a wired or wireless remote controller for remote control.

The pan tilt camera according to the present invention can simultaneously or separately control the left and right rotation and the up and down rotation of the monitoring camera by a separately installed pan driver and tilt driver, and in particular, the fan driver and the tilt driver. Simple to minimize the failure and malfunction during operation of the pan tilt camera as well as the components that make up the pan tilt camera is simple to reduce the production cost and cost is also very economical and useful to provide a pan tilt camera In order to limit the rotation range by the fan driver and the tilt driver, a stopper is formed on the housing and the rotating plate to limit the left and right rotation ranges, and guide shafts and guide grooves are formed on the bracket and the camera fixing bracket, respectively, to vertically rotate them. The wire connected to the control unit is broken by limiting the range The problem was solved or twisted. In addition, in order to protect the surveillance camera fixed to the camera fixing bracket from the external environment by providing a dome-shaped cover to provide a means for storing the surveillance camera more securely.

Claims (7)

In the pan tilt camera for capturing an image while the surveillance camera 4 is rotated in the up, down, left and right directions, The fan motor 5 is installed inside the housing 10 to rotate the surveillance camera 4 in the left and right direction, and is connected to the rotating plate 30 of the tilt driving unit 2 in the housing 10. A central shaft 52 is installed, and a fan driving unit 1 formed by connecting the fan motor 5 and the central shaft 52 to a power transmission means; Tilt motor 7 is installed on the bracket 25 of the rotating plate 30 to rotate the monitoring camera 4 in the vertical direction, and is connected to the tilt motor 7 to fix the camera fixing bracket. Tilt driving unit 2 is coupled to 20; A surveillance camera 4 fixed to the tilt driver 2 and provided with a sliding cover 40 on an outer circumferential surface thereof; And A control unit (6) having a built-in microcomputer for operation of the fan motor (5) and the tilt motor (7) and processing of input signals in order to rotate the monitoring camera (4) in the up, down, left and right directions; Pan tilt camera, characterized in that consisting of. The method of claim 1, The fan motor 5 is a fan rotation shaft 50 is formed to protrude to the outside, The fan drive unit 1, A main pulley 53 coupled to the fan rotation shaft 50 of the fan motor 5; An auxiliary pulley 54 coupled to the central shaft 52 arranged in the central hole 13 formed at the center of the housing 10; And A belt 55 that interconnects the rotational force of the main pulley 53 to the auxiliary pulley 54; It is made, including, the pan tilt camera, characterized in that rotated in the left and right directions according to the rotation of the fan motor (5) by fixing the lower surface of the rotating plate (30) to the auxiliary pulley (54). The method of claim 2, A stopper 16 protrudes from a predetermined position on the upper surface 11 of the housing 10, and a stopper 36 protrudes from a lower surface of the rotating plate 30 corresponding thereto. Tilt camera. The method of claim 1, In order to position the surveillance camera 4, a light emitting diode 61 or a light receiving diode 62 is formed at a predetermined position of the upper portion of the housing 10 and the lower portion of the rotating plate 30, respectively. 61) and the pan tilt camera, characterized in that the position signal detected by the light-emitting diode (62) is transmitted to the control unit (6). The method of claim 1, The camera fixing bracket 20 is formed with a shaft hole 22 on one side so that the tilt rotation shaft 70 of the tilt motor 7 is coupled, the support shaft 23 is formed on the other side, the monitoring camera ( A fixed end 21 for fixing 4) is formed; The bracket 25 has a shaft hole 27 is formed so that the camera fixing bracket 20 is coupled to the seesaw movement; The tilt rotation shaft 70 of the tilt motor 7 fixed to one side of the bracket 25 is connected to the shaft hole 22 of the bracket for fixing the camera 20 so that the tilt motor 7 rotates up and down. Pan tilt camera, characterized in that rotated in the direction. The method of claim 5, Semi-circular to the bracket 25 so that the guide shaft 24 is protruded to the outside of the camera fixing bracket 20, the guide shaft 24 of the camera fixing bracket 20 is fitted and guided by a predetermined rotation range Pan tilt camera, characterized in that the guide groove 26 is formed. The method of claim 1, In order to protect the surveillance camera 4 from the external environment, a male screw part 35 is formed on the outer circumferential surface 31 of the rotating plate 30, and a transparent window (eg, a vertical window) is rotated with respect to the vertical rotation range of the surveillance camera 4. A female screw portion 81 is formed on a lower inner circumferential surface of the cover 8 on which the cover 8 is formed, so that the cover 8 is screwed to the rotating plate 30.