KR200273675Y1 - Camera with pan/tilt - Google Patents

Abstract

The present invention relates to a video input device, such as surveillance cameras and CCTV system-related equipment for monitoring a specific space, and can control the motor used in the camera at the same time or separately, and in particular, its structure is simple and easy to rotate the camera. In addition, the present invention relates to a pan tilt camera that can prevent malfunction and malfunction.

A pan tilt camera of the present invention includes: a signal input unit having various signal input means so that a user can photograph a desired position; A housing in which a control unit for processing an input signal of the signal input unit and the fan motor rotated by a command of the control unit are installed; A rotating plate on which the tilt motor and the surveillance camera are installed by brackets; And a horizontal rotating device interposed so as to be horizontally rotated by the fan motor after being fixed to the housing and fixed to the rotating plate.

Description

Pan Tilt Camera {CAMERA WITH PAN / TILT}

The present invention relates to video input devices such as surveillance cameras and CCTV system-related equipment for monitoring a specific space, and can simultaneously or separately control a pan motor and a tilt motor used for rotating the camera. The present invention relates to a pan tilt camera that can be easily rotated as well as prevent failure and malfunction.

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

Surveillance cameras used as described above can be checked through the surveillance screen 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 these places are fixed cameras capable of monitoring only a certain area, and mobile cameras using a pan tilt motor capable of monitoring a wide area.

However, since the fixed camera is fixedly installed so that the direction cannot be changed, there is a problem that cameras need to be installed at various places in order to monitor a plurality of areas in one space.

Therefore, recently, the mobile camera, that is, the trend of using a pan tilt camera that can monitor the surroundings by adjusting the shooting direction by the user's operation, and rotates at predetermined intervals by the set program.

Surveillance cameras that can take a picture while rotating as described above has a "pan / tilt camera" described in the Republic of Korea Patent Publication No. 2001-0009351, the configuration of the invention is the first housing and the camera and the tilt movement device is installed; The fan housing comprises a second housing in which a fan movement device and a control unit are installed, and the first housing and the second housing are connected by a fan shaft.

The tilt movement device rotates the camera up and down by being connected to a camera fixing bracket coupled with a tilt motor, a reduction gear box for controlling the rotation of the tilt motor, and a gear that is engaged with the reduction gear box and fixes the camera. It consists of a tilting gear to move, the fan movement device is engaged with the fan motor, the reduction gear box, the fan shaft formed integrally with the first housing in a vertical direction to rotate the first housing to move the left and right pan gear Consists of

In 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 is rotated by the tilt gear, the camera fixedly coupled to the camera fixing bracket. The fixing bracket and the camera fixed thereto are rotated in the vertical direction at the same time to vertically rotate the camera.

In addition, the reduction gear box for reducing the rotation of the fan motor is coupled to the fan gear, the fan gear is coupled to the fan shaft to rotate the fan shaft, the fan shaft is coupled to the first housing with the camera is installed As the fan shaft rotates, the first housing is rotated in the left and right directions to horizontally rotate the camera.

In the conventional pan / tilt camera operated as described above, the tilt motion device and the fan motion device are mechanical, that is, combined with a plurality of gears, so that one gear fails or the gears of the gears engaged with each other are removed. In this case, the pan / tilt camera stops the operation and cannot take a picture, and the connection structure between the devices is complicated, so that the pan / tilt camera has difficulty in repairing in case of malfunction or malfunction. And because the horizontal or vertical rotation by the combination of the gears, the vibration of the gear is transmitted to the camera and the vibration phenomenon is transmitted to the displayed screen as it is not only unclear, but also the user's eyes when the user gazes at the shaking screen. There was a drawback to fatigue.

In addition, since the lens of the camera is exposed to the outside, when there is an external impact, it may not only be damaged, but the lens of the camera may be contaminated by foreign matters such as dust. When excessive force is applied when arbitrarily operating the rotation direction, the devices may be damaged.

In addition, the cable inputs of the signal input, power input, and video output are installed differently, so when connecting to an external device, the connection is inconvenient.

The present invention was devised to solve the conventional problems as described above, the object of the present invention is to produce a simple configuration of the operation principle and structure by connecting a horizontal rotating device of a simple structure to the fan motor for rotating the camera horizontally It is easy to provide a pan tilt camera with no fear of malfunction or malfunction.

Still another object of the present invention is to provide a pan tilt camera capable of automatically shifting the position of the camera in a range set by an external input means, or controlling the direction of the camera to a desired position.

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

2 is a perspective view illustrating a housing in which a horizontal rotating device is installed and a tilt motor and a monitoring camera are installed on a horizontal rotating plate according to FIG. 1;

3 is a cross-sectional view of the combination according to FIGS.

4 is a block diagram showing the configuration of a system according to the present invention;

5 is a front view showing a remote device as a signal input means according to the present invention.

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

1: Body 2: Housing

3: surveillance camera 4: rotating plate

5: horizontal rotating device 6: cover

7: Cover fixing member 8: Fan motor

9: tilt motor 10: control unit

11: signal input part 12: bracket

14: camera fixing bracket 15: cable

16: Light Emitting Diode 16 ': Light Emitting Diode

21: Top 22: Central Hall

23: shaft hole 24: lower projection

25: Stopper 26: Flange

41: male part 42: through hole

43,43 ': Stopper 51: Bearings

52: center axis 53: auxiliary pulley

54: belt 55: snap ring

61: flange 62: transparent window

71: female thread portion 81: fan rotation shaft

82: main pulley 91: tilt rotation axis

121: guide groove 122: support shaft

141,141 ': Shaft hole 142: Guide shaft

The present invention having the above object, the signal input unit having a variety of signal input means for the user to shoot the desired position; A housing which is connected to the signal input unit and has a control unit formed with a microcomputer having respective functions so as to operate the surveillance camera by the input signal of the signal input unit, and a fan motor for horizontally rotating the surveillance camera; A horizontal rotating device installed in the housing and interlocked with the fan motor rotated by a command of the controller to horizontally rotate the surveillance camera; A rotating plate to which the surveillance camera and the tilt motor for vertically rotating the surveillance camera are fixedly installed and mounted on the housing to rotate horizontally in conjunction with the rotation of the horizontal rotating device; A cover mounted on the rotating plate to protect the surveillance camera from an external environment; And a cover fixing member which is coupled to the rotating plate to fix the cover seated on the rotating plate.

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

1 is an exploded perspective view showing a coupled state of the pan tilt camera according to the present invention, the control unit 10 and the fan motor 8 installed therein, the housing 2, the horizontal rotating device 5, the rotating plate 4, It consists of a tilt motor (9), surveillance camera (3), cover (6), cover fixing member (7), assembled in the above order and installed as shown in Figure 2, as shown in Figure 3 Combined to form the body (1) of the pan tilt camera.

The housing 2 provides a space in which the control unit 10 and the fan motor 8 are installed, and supports other components of the main body 1 of the pan tilt camera. Is formed in a cylindrical shape having a closed top plate 21, the top plate 21 is formed with a central hole 22 and the shaft hole 23 is inserted into the shaft of the horizontal rotating device 5 and the fan motor 8 In the lower circumferential direction, a flange 26 having a plurality of fixing holes formed at predetermined intervals is formed to fix the main body 1 to a wall or a ceiling. The central hole 22 formed in the center of the upper plate 21 of the housing 2 has a lower protrusion 24 extending downward in a predetermined length to smoothly rotate the horizontal rotating device 5, and the shaft hole. 23 is formed at a predetermined distance from the central hole 22 to facilitate the rotation of the horizontal rotating device (5).

In addition, a hole is formed at a predetermined position on the cylindrical wall surface of the housing 2, and connected to the control unit 10 through the hole to output an image captured by a power input, a signal input, or a surveillance camera 3 to a monitor. The cable 15 integrated into one is connected to an external device not shown.

The fan motor 8, which is fixed to the inner space of the housing 2 by a bolt, is a device for horizontally rotating the surveillance camera 3, and the fan rotation shaft 81 of the fan motor 8 is connected to the housing. When inserted into the shaft hole 23 formed in the upper plate 21 of (2) is inserted into the main pulley 82 having a predetermined size and thickness and the hole corresponding to the fan rotation shaft 81 is joined to the housing (2) It is rotatably installed on the top plate 21 of the).

The horizontal rotating device 5 which rotates the rotating plate 4 in association with the fan rotation shaft 81 of the fan motor 8 installed in the inner space of the housing 2 includes a central hole (1) of the housing 2. A bearing 51 inserted into and fixed to the shaft 22, a central shaft 52 fitted to the bearing 51, and a lower portion of the central shaft 52 to prevent shank movement of the central shaft 52; The snap ring 55 is fitted, and the main pulley 82 and the belt 54 is formed to surround the auxiliary pulley 53 formed on the upper portion of the central shaft 52. In order to smoothly rotate the auxiliary pulley 53, the bearing 51 having a flange formed at a predetermined width at an upper end thereof and having a hole penetrating therein in the vertical direction has the lower protrusion part extending from the central hole 22 ( The central shaft 52 is fixed to the inside of the 24, having the auxiliary pulley 53 formed in a predetermined thickness and size and having a smaller circumferential axis than the hole formed in the bearing 51. Is inserted into the interior of the installation. At this time, a groove is formed at a predetermined depth in the wall circumference of the central shaft 52, which is in contact with the lower end of the bearing 51, so that horizontal rotation of the central shaft 52 inserted into the bearing 51 can be freely performed. The snap ring 55 is inserted into the groove formed in the central shaft 52 to prevent the movement of the central shaft 52. In addition, the auxiliary pulley 53 is formed with about two female screw parts for fastening with the rotating plate 4, and transmits signals from the control unit 10 installed in the inner space of the housing 2 to other devices. A hole penetrating the central axis 52 in the vertical direction is formed in order to more easily connect the electric wire to the devices. The belt 53 which transmits the rotation of the fan motor 8 to the central shaft 52 is formed by using a resilient O-shaped belt or V-shaped belt with the main pulley 82 provided at predetermined intervals. It is wrapped around the auxiliary pulley 53 and is supported between the pulleys 82 and 53 to rotate the central shaft 52 together with the rotation of the fan rotation shaft 81. In addition, the auxiliary pulley 53 and the main pulley 82 prevent the belt 53 from being separated between the pulleys 53 and 82 when the fan rotation shaft 81 of the fan motor 8 rotates. Side surfaces of the pulleys 53 and 82 are tapered toward the center.

The rotating plate 4 coupled to the horizontal rotating device 5 and horizontally rotating the surveillance camera 3 in conjunction with the rotation of the fan rotation shaft 81 of the fan motor 8 is connected to the surveillance camera 3. A bracket 12 for fixing the tilt motor 9 for vertically moving the surveillance camera 3 is fixedly attached, and an outer circumferential surface thereof is formed with a male screw portion 41 coupled with the cover fixing member 7. . The rotating plate 4 on which the surveillance camera 3 and the tilt motor 9 are installed is bolted to a female screw part formed on the auxiliary pulley 53 of the horizontal rotating device 5 so that the fan rotation shaft 81 rotates. When the rotating plate (4) integrally coupled to the horizontal rotating device (5) interlocking with this is rotated at the same time to horizontally rotate the monitoring camera (3). In addition, a through-hole 42 is formed at the center of the rotating plate 4 to extend through a hole passing through the central axis 52 of the horizontal rotating device 5 to connect the wire connected to the control unit 10 to the rotating plate 4. Through the through hole 42 of the easily connected to the surveillance camera 3 and the tilt motor (9).

The tilt motor 9, which is fixedly installed by a bolt on one side of the bracket 12 fixed to the rotating plate 4, is a device for vertically rotating the surveillance camera 3, and the tilt motor 9. Tilt rotation shaft 91 and the support shaft 122 formed on the bracket 12 of the shaft hole (141, 141) formed on both sides of the camera fixing bracket 14 is integrally installed by the surveillance camera 3 and the bolt coupling '), When the tilt rotation shaft 91 is rotated forward and reverse by the signal of the controller 10, the camera fixing bracket 14, which is integrally coupled thereto, rotates at the same time so that the surveillance camera 3 ) May be rotated in the vertical direction in the range of 0 to 180 ° to change the position of the surveillance camera 3.

Preferably, a semicircular guide groove 121 is formed at a predetermined position on one side of the bracket 12, and the guide shaft 142 corresponding to the guide groove 121 is provided in the camera fixing bracket 14. Is formed, and when the tilt motor 9 is driven after the camera fixing bracket 14 installed integrally with the surveillance camera 3 on the bracket 12 is installed by the rotation of the tilt rotation shaft 91 The guide shaft 142 of the camera fixing bracket 14 rotates the surveillance camera 3 in a vertical rotation range of 0 to 90 ° along the guide groove 121 of the bracket 12. This is because the monitoring camera 3 can be rotated by 0 to 360 ° by the horizontal rotating device 5, so that shooting in all directions is possible even if the vertical rotation range is limited to 0 to 90 °.

When the housing 2, the horizontal rotating device 5, and the rotating plate 4 are combined as described above, the dome-shaped cover 6 is disposed on the upper part of the rotating plate 4 to protect the surveillance camera 3 from external shock. The cover 6 is fixed to the rotating plate 4 by a cover fixing member 7 having a female screw portion 71 formed therein.

The cover 6 may be formed transparently, but the cover 6 is formed in the same color as the main body 1 to prevent harmony with the surrounding environment and exposure of the surveillance camera 3, and the surveillance camera 3. The oval transparent window 62 is formed in accordance with the lens focus of the lens and the vertical rotation range by the tilt motor 9 to facilitate the shooting of the surveillance camera 3.

In addition, even if the position of the transparent window 62 of the cover 6 provided on the rotating plate 4 by the cover fixing member 7 does not match the lens of the surveillance camera 3, the cover fixing member The space in which the female screw part 71 of (7) and the male screw part 41 of the rotating plate 4 are fully engaged is formed in the space which is slightly larger than the thickness of the cover 61 flange 61, By moving the cover 6 to the left and right, the position of the transparent window 62 can be easily fitted to the lens of the surveillance camera 3.

More preferably, a protrusion stopper 25 is formed at a predetermined position above the upper plate 21 of the housing 2, and a protrusion stopper 43 or 43 is also formed at a predetermined position below the rotating plate 4 corresponding thereto. ') Are each formed to limit the rotation range of the surveillance camera 3 to 0 ~ 350 ° to allow the rotating plate 4 to rotate left and right repeatedly. The surveillance camera 3 and the tilt motor 9 are installed on the rotating plate 4 which rotates horizontally, and the control unit 10 for driving the surveillance camera 3 and the tilt motor 9 is a wall surface. Since it is installed in the housing (2) fixed to the ceiling, etc., when the rotating plate 4 coupled with the horizontal rotating device (5) linked to the fan rotation shaft 81 of the fan motor 8 continues to rotate the The wires connecting the control unit 10, the surveillance camera 3, and the tilt motor 9 are continuously twisted so that the wires can be detached from the control unit 10, and when the rotating plate 4 is arbitrarily rotated, Since there is a risk of damage, the stopper 25 and the stoppers 43 and 43 'are formed to limit the horizontal rotation range. In addition, it is also possible to freely adjust the horizontal rotation range by varying the positions of the stoppers 43 and 43 'formed at the bottom of the rotating plate 4, respectively.

The control unit 10 fixed to the housing 2 by bolts is used to control the moving direction and speed of the surveillance camera 3 by driving the fan motor 8 and the tilt motor 9. A microcomputer for processing the moving direction and the speed of the fan motor 8 or the tilt motor 9 and setting a position 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 10 is provided with a position setting sensor when the power is input to the control unit 10, by driving the fan motor 8 and the tilt motor (9) the initial shooting position of the surveillance camera (3) Set. The sensing device which sends a signal to the positioning sensor uses a light emitting diode 16 and a light receiving diode 16 ′ connected to the control unit 10 by a wire, and the light emitting diode 16 is connected to the housing 2. The top plate 21 is inserted into and fixed to a hole drilled in a predetermined size at a predetermined position, and the light receiving diode 16 'is connected through the hole of the central axis 52 and the through hole 42 of the rotating plate 4. The rotating plate 4 is inserted into and fixed in a hole drilled in a predetermined size at a predetermined position. Therefore, when power is input to the controller 10, the light emitting diodes 16 and the light emitting diodes 16 ′ detect the positions of each other and hold the initial photographing position of the surveillance camera 3. Of course, the sensing device may use an electromagnet or the like as well as the light emitting diode 16 or the light receiving diode 16 '.

The control unit 10 is connected to the signal input unit 11, the output unit, and the power supply unit with a cable 15, as shown in the system block diagram shown in Figure 4 to supply power to each device, the input signal of the signal input unit 11 According to the microcomputer of the control unit 10 processes this to give a command to the horizontal rotation or vertical rotation drive. Accordingly, the fan motor 8 is driven at the horizontal rotation, and the tilt motor 9 is driven at the vertical rotation to hold the photographing position of the surveillance camera 3, and the image captured by the surveillance camera 3 is displayed. Output to the external device not shown through the cable (15).

Preferably, the control unit 10 may be connected to an external computer through a USB port, and the operation of the surveillance camera 3 may be controlled by the operation of the computer keyboard.

When the operation of the pan tilt camera of the present invention configured as described above by the operation of the remote device which is the signal input unit 11 connected by the cable 15 as follows.

As shown in FIG. 5, the remote device is composed of Auto / Manual, Angle / Left ◁, Speed / Right ▷, Tilt △ ▽ button and LED lamp.

Auto / Manual is a button for converting the pan tilt camera into a manual mode and an automatic mode. When the auto / manual button is pressed, the pan tilt camera is in an auto mode, and the control unit 10 receives an automatic mode command. When the microcomputer processes the data by the data stored in the memory means of the controller 10 to drive the fan motor 8 and the tilt motor 9, the surveillance camera is automatically rotated. The Angle ◁ and Speed ▷ buttons can be used to adjust the up and down shooting angle and rotation speed of the surveillance camera (3).

When the Auto / Manual button is pressed again, the LED lamp is turned on and the pan tilt camera is converted to the manual mode. When the command of the manual mode is issued to the controller 10, the microcomputer of the controller 10 is the fan motor. (8) and the tilt motor 9 are stopped. At this time, the user drives the fan motor 8 to the desired position by using the Left ◁ and Right ▷ buttons and rotates the surveillance camera 3 horizontally by the horizontal rotating device 5, and uses the Tilt △ ▽ button. The tilt motor 9 may be driven to an up and down position to move the surveillance camera 3 vertically to take a picture.

The pan tilt camera according to the present invention can simultaneously or separately the vertical rotation and the horizontal rotation of the camera by a separately installed driving device, and in particular, the device of the simple configuration and structure not only prevents failure and malfunction but also the simple configuration and Due to the structure, the production cost is reduced, and the cost is low, thereby providing an economically useful pan tilt camera. In addition, the user can control the surveillance camera more conveniently by using the automatic control mode to automatically rotate in the range set by the external input device and the manual control mode to rotate to the desired position.

Claims (6)

The control unit 10 for operating the fan motor 8 and the tilt motor 9, the surveillance camera 3 rotating by the operation of the fan motor 8, the tilt motor 9, and the control unit 10. In the monitoring camera consisting of a housing (2) for accommodating a fan motor (8), a tilt motor (9), a surveillance camera (3), A signal input unit 11 having various signal input means so that a user can photograph a desired position; A housing (2) in which a control unit (10) for processing an input signal of the signal input unit (11) and the fan motor (8) rotated by a command of the control unit (10) are installed; A rotating plate 4 on which the tilt motor 9 and the surveillance camera 3 are installed by the bracket 12; And a horizontal rotating device 5 interposed in the housing 2 and fixed to the rotating plate 4, and interposed to horizontally rotate the rotating plate 4 by the fan motor 8. Pan tilt camera. The method of claim 1, The horizontal rotating device 5, An auxiliary pulley (53) having a central shaft (52) in which a lower portion is formed in the central hole (22) formed in the housing (2); A main pulley 82 coupled to the fan rotation shaft 81 of the fan motor 8 protruding into the shaft hole 23 formed in the housing 2; Pan and tilt, characterized in that made of a belt 54 for connecting the auxiliary pulley (53) and the main pulley (82), by fixing the bottom surface of the rotating plate (4) to the auxiliary pulley (53) camera. The method of claim 2, A pan tilt camera, characterized in that the bearing (51) is opened between the center hole (22) of the housing (2) and the center shaft (52) to facilitate horizontal rotation of the rotating plate (4). The method according to claim 1 or 2, When the rotating plate 4 is rotated together by the rotation of the horizontal rotating device 5, the wires connected to the control camera 10 and the surveillance camera 3 and the tilt motor 9 installed on the rotating plate 4 are twisted. In order to prevent the stopper 25 and the lower portion of the rotating plate 4 corresponding to the stopper 25 and a predetermined position on the upper plate 21 of the housing 2 to protrude, the rotating plate ( 4) The pan tilt camera, characterized in that to prevent the rotation more than 360 °. The method of claim 1, When power is supplied to the control unit 10, the monitoring camera 3 controls the control unit at a predetermined position of the upper plate 21 of the housing 2 and a predetermined position of the rotating plate 4 for initial photographing position setting. And a sensing device comprising a light emitting diode (16) or a light receiving diode (16 ') which sends a signal to the positioning sensor of (10). The method of claim 1, The guide shaft 142 of the camera fixing bracket 14 is inserted into the semicircular guide groove 121 formed in the bracket 12 of the rotating plate 4 to limit the vertical rotation range of the surveillance camera 3. Pan tilt camera, characterized in that.