KR200405483Y1 - Distance and focus easy adjustable cctv camera - Google Patents

Abstract

The present invention is to adjust the distance and the focus of the camera lens at one side of the circumference rather than the rear of the casing, so that the adjustment operation using the tool can be freely performed without the limitation of space even when the surveillance camera is installed. Significantly improves the performance, and compared to the prior art, the pinion shaft length is shorter, which prevents bending deformation or flow, so that the adjustment is made stable, and the material is saved to reduce the manufacturing cost, so that it is easy to adjust the distance and focus. It is about.

The present invention for realizing this is provided with a distance adjuster for adjusting the distance to the subject by moving the lens back and forth during the rotation operation from the outside, and a focus adjuster for enlarging or reducing the aperture of the lens, the lens mount is installed camera module In the surveillance camera is installed in front of the lens mount and comprises a lighting means and a casing comprising a plurality of LEDs, the distance adjuster and the focus adjuster are respectively fixed to the outer periphery and the longitudinal direction of the surveillance camera Camera adjustment means comprising a toothing ring formed radially in the orthogonal direction with respect to, and a pinion which is engaged with the radial tooth of the toothing ring and the rear end of the shaft installed in the direction orthogonal to the length of the surveillance camera is supported on the outer edge of the casing. Characterized in that it is provided.

Description

DISTANCE AND FOCUS EASY ADJUSTABLE CCTV CAMERA

1 is a partially exploded perspective view showing the configuration of an embodiment according to the present invention

2 is an enlarged perspective view of main parts of the present invention;

3 is a cross-sectional view of FIG.

Figure 4 is an installation state of the present invention

Figure 5 is a cross-sectional view showing the configuration of the prior art

* Explanation of symbols for the main parts of the drawings

1: Surveillance camera easy to adjust distance and focus

10: Lens mount 11: Distance adjuster 13: Focus adjuster

20: lighting means 21: LED 30: casing

A: camera adjusting means 50: tooth ring 51: radial tooth

52: ring 53: flange 54: pinhole

56: guide groove 60: pinion 61: tooth

63: axis 100: prior art

The present invention relates to a surveillance camera, and in particular, the distance and focus of the camera lens is performed at one side of the circumference, not at the rear of the casing, so that the adjustment operation using the tool can be freely performed without the limitation of space even when the surveillance camera is installed. It is very easy to work and significantly improves the workability, and the shaft length of the pinion is shorter than that of the prior art, so that bending deformation and flow are prevented, so that the adjustment is made stable and the material is saved, thus reducing the manufacturing cost. It relates to a surveillance camera that is easy to adjust.

In general, CCTV (Closed Circuit Tele-Vision) surveillance camera is a device installed on the wall or ceiling to monitor visitors in public buildings, financial institutions, or residential areas. CCD (Charge Coupled Device) cameras equipped with LED (Infrared Light Emitting Diods) lighting devices around the lens to enable shooting in dark places where there is no light or weakness to check objects are becoming common.

The lens unit of such a surveillance camera is composed of a lens and a lens mount for mounting the lens, and the lens mount is a distance adjuster for adjusting the distance to the subject while the lens is moved back and forth by rotation to adjust the focal length of the lens. In addition, the aperture of the lens is enlarged or reduced by rotation, and a focus adjuster is provided so that the subject can be photographed clearly.

In the prior art 100, the teeth 151 on the outer edges of the distance adjuster 111 and the focus adjuster 113 as shown in Figure 5 to manipulate the rotation of the distance adjuster and focus adjuster from the outside. The pinion 160 was formed and corresponding to the tooth 151.

In addition, the teeth adjuster 151 formed in the distance adjuster 111 and the focus adjuster 113 is configured in the form of a spur gear formed parallel to the longitudinal direction of the surveillance camera so that the pinion 160 engaged thereto is also of the same type. And the pinion's shaft 163 is extended to expose the tip to the trailing edge 133 of the casing 130.

In addition, a driver groove 163c is formed at the tip of the pinion shaft 163 to rotate the pinion shaft 163 of the pinion using a tool such as a driver at the rear end 133 of the casing. Or rotation of the focus adjuster 113 is performed.

Surveillance cameras' distance and focusing is accomplished by monitoring them after they are installed on site. However, the prior art has a problem that the front end of the pinion shaft in which such adjustment is made is located at the rear of the casing and the rear of the casing is installed in close proximity to the wall or ceiling on which the adjustment is made, thus making adjustment very difficult.

That is, since the rotation operation of the pinion 160 should be performed at the casing tail 133, which is a narrow space installed near the wall or the ceiling, the hand holding the tool cannot be freely moved and the workability is deteriorated.

In addition, the length of the pinion shaft 163 is formed long, there is a fear that the deformation and flow occurs, there is a problem that the camera adjustment is unstable and waste material.

The present invention has been devised to solve the above problems,

The purpose of the present invention is to adjust the distance and focus of the camera lens at one side of the circumference, not at the rear of the casing, so that the adjustment operation using the tool can be freely performed without the limitation of space even when the surveillance camera is installed. To provide a surveillance camera easy to adjust the distance and focus to significantly improve the workability.

Another object of the present invention is to provide a surveillance camera that is easy to adjust the distance and focus to reduce the manufacturing cost by reducing the manufacturing cost by reducing the bending deformation or flow is prevented by forming the pinion short shaft length.

Surveillance cameras easy to adjust the distance and focus according to the present invention to achieve the above object, the distance adjuster to adjust the distance to the subject by moving the lens back and forth during the rotation operation from the outside, or enlarge the aperture of the lens or In the surveillance camera is provided with a focus adjuster to reduce the lens mount is installed, the camera module is installed in front of the lens mount and comprises a plurality of LED lighting means and casing,

The distance adjuster and the focus adjuster are toothed ring fixed to the outer periphery and radial teeth are formed in a direction perpendicular to the longitudinal direction of the surveillance camera,

It is characterized in that the camera adjustment means including a pinion that is engaged with the radial teeth of the tooth ring and the rear end of the shaft installed in the direction orthogonal to the length of the surveillance camera is supported on the outer edge of the casing.

Hereinafter, with reference to the accompanying drawings an embodiment of a surveillance camera easy to adjust the distance and focus of the present invention will be described in detail.

1 is a partially exploded perspective view showing the configuration of an embodiment according to the present invention, Figure 2 is a cross-sectional view of the combination of Figure 1, Figure 3 is an enlarged perspective view of the camera control means that is the main part of the present invention.

As shown in Figures 1 to 3, the surveillance camera 1 is easy to adjust the distance and focus according to the present invention is a distance adjuster for adjusting the distance to the subject by moving the lens back and forth during the rotation operation from the outside ( 11) and a focus adjuster 13 for enlarging or reducing the aperture of the lens and having a lens mount 10 in which a camera module is installed and a plurality of LEDs 21 installed in front of the lens mount 10. In the surveillance camera comprising a lighting means 20 and the casing 30, including, the distance adjuster 11 and the focus adjuster 13 is fixed to the outer periphery, respectively, in the longitudinal direction of the surveillance camera The rear end of the shaft 63 is engaged with the tooth ring 50 in which the radial teeth 51 are formed orthogonal to the radial teeth 51 and the radial teeth 51 of the tooth ring 50 and installed perpendicular to the length of the surveillance camera. Blood exposed to the outer periphery 31 of the casing 30 Frozen 60 will be provided with a camera control unit (A) comprising a.

Here, the tooth ring 50 of the camera adjusting means (A) has a ring portion 52 and a radius extending from the ring portion 52 fixed to the outer circumference of the distance adjuster 11 or the focus adjuster 13. It is preferable that the flange 53 is formed to form the radial teeth 51 on one surface.

In addition, the pinion 60 is formed with a shaft protruding toward the front (61a) of the tooth 61, the locking groove (63b) for preventing the removal from the casing (30) is formed in the rear and the driver groove (63c) at the rear end Is formed and the tooth ring 50 forms a circumferential wall 55 in the orthogonal direction to the flange 53 and guide grooves for the shaft 63 of the pinion on the outer edge of the circumferential wall 55. It is preferable that 56 is formed.

The flange 53 or the ring portion 52 may be formed in a fan shape.

The fixing of the tooth ring 50 to the distance adjuster 11 and the focus adjuster 13 forms a pinhole 54 in the ring portion 52, respectively, and the distance adjuster 11 and the focus adjuster 13. Screw holes (11a) and (13a) may be formed at the corresponding positions of the screws) and the screws 59 may be fastened.

Reference numeral 2 denotes a mounting table, 50A is a toothing ring for distance adjustment, and 50B is a toothing ring for focusing.

With reference to Figure 4 looks at the operating state of the surveillance camera (1) easy to adjust the distance and focus according to the present invention having such a configuration.

In order to rotate the distance adjuster 11 and the focus adjuster 13 from the outside, the camera adjusting means A of the present invention monitors the outer circumference of the distance adjuster 11 and the focus adjuster 13 as the object of operation. Radial teeth 51 are formed in a direction perpendicular to the camera longitudinal direction, and the pinion 60 engaged therewith is also installed in a direction orthogonal to the longitudinal direction so that the rotation operation of the pinion 60 is performed on the outer circumferential side of the casing 30. This can be done in (31).

That is, the rear end of the pinion shaft 63 for manipulating the rotation of the distance adjuster and the focus adjuster is located at the circumference of the casing 30, not the rear end.

Therefore, even when the surveillance camera is installed on the ceiling or the wall, the operation of rotating the pinion 60 using the tool is not limited by the space, so the camera adjustment work is very easy to improve the workability.

In addition, compared with the prior art, the shaft 63 of the pinion is formed to have a shorter length, thereby preventing bending deformation or flow, thereby making the adjustment stable and reducing materials.

The present invention is not limited to the above-described embodiment and drawings because various substitutions, modifications, and changes are possible to those skilled in the art without departing from the technical spirit of the present invention. .

As described in detail above, the surveillance camera easy to adjust the distance and focus according to the present invention, the adjustment of the distance and focus of the camera lens is carried out at one side of the circumference rather than the rear of the casing, so that the tool can be adjusted even when the surveillance camera is installed. Since the work can be freely performed without being constrained by space, the work is very easy and the workability is remarkably improved.

In addition, the shaft length of the pinion is shorter than that of the prior art, thereby preventing bending deformation and flow, thereby making it possible to stably adjust the material and reduce the manufacturing cost by reducing materials.

Claims (4)

The lens adjuster is provided with a distance adjuster 11 for moving the lens forward and backward from the outside to adjust the distance to the subject and a focus adjuster 13 for expanding or reducing the aperture of the lens. (10), the surveillance camera which is provided in front of the lens mount 10 and comprises a lighting means 20 and a casing 30 including a plurality of LEDs 21, The toothed ring 50 is fixed to the distance adjuster 11 and the focus adjuster 13 is coupled to the outer periphery and radial teeth 51 in a direction perpendicular to the longitudinal direction of the surveillance camera; The pinion 60 is engaged with the radial teeth 51 of the tooth ring 50 and the rear end of the shaft 63 installed in a direction orthogonal to the length of the surveillance camera is supported and exposed to the outer periphery 31 of the casing 30. Easy to adjust the distance and focus, characterized in that the camera control means (A) comprising a surveillance camera. The method of claim 1, The tooth ring 50 of the camera adjusting means has a ring portion 52 fixed to the outer circumference of the distance adjuster 11 or the focus adjuster 13 and a radius extending from the ring portion 52 so as to extend on one surface thereof. Surveillance camera easy to adjust the distance and focus, characterized in that the flange 53 is formed a radial sawtooth 51 is formed. The method according to claim 1 or 2, The pinion 60 has a shaft protruding to the front (63a) of the tooth 61, the locking groove (63b) for preventing the removal from the casing 30 is formed in the rear and the driver groove (63c) is formed at the rear end Done, The tooth ring 50 forms a circumferential wall 55 in the orthogonal direction to the flange 53 and a guide groove 56 for the shaft 63 of the pinion is formed at the outer edge of the circumferential wall 55. Features a surveillance camera with easy distance and focus adjustment. The method of claim 2, The flange (53) or the ring portion 52 is a surveillance camera that is easy to adjust the distance and focus, characterized in that formed in a fan shape.

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