JPH0730869B2 - Support device for TV camera - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supporting device used for mounting on a building, and particularly to a supporting device for a television camera suitable as a supporting device for accommodating a television camera for a surveillance system. Regarding the device.

(Prior Art) In a television camera for a surveillance system, when hiding the presence of the television camera, a supporting device including a housing is generally used, and the television camera is provided in a housing having a hole for imaging by the television camera. , The optical axis of the TV camera (the axis of the lens) is aligned with the axis of the hole. The housing has a structure in which the axis of the hole extends in the direction toward the image-captured location, and the structure of the wall, ceiling, pillar, etc. of the building so that the image-captured location can be captured by the television camera. Attached to.

(Problems to be solved) However, the orientation of the TV camera, in particular, the direction of the optical axis of the TV camera and the direction of vertical scanning of the TV camera are related to the relative positional relationship between the installation position of the TV camera on the body and the imaging target position. Therefore, the structure of the supporting device also differs depending on the relative positional relationship between the position where the TV camera is attached to the body and the position to be imaged. Therefore, the conventional TV camera support device for housing the TV camera in the housing must be designed and manufactured for each installation location of the TV camera.

An object of the present invention is to make it possible to easily and accurately set the direction of the optical axis of the television camera and the direction of vertical scanning in an arbitrary direction in a supporting device that accommodates the television camera.

(Solution Means, Actions and Effects) A television camera supporting device of the present invention is a first supporting means for supporting a television camera and accommodating the television camera, the first supporting means having a hole for imaging by the television camera. 1
Support means and a second crossing first axis passing through said hole
Second support means associated with said first support means for angular rotation about an axis of said first and second support means for supporting said first support means. Connecting means for preventing relative displacement of the first and second supporting means.

The first supporting means is a first member combined with the second supporting means so as to be angularly rotatable about the second axis by the connecting means, and at least a part of the television camera. And a second member for supporting the television camera, the hole being disposed in the first member so as to be angularly rotatable about the first axis. A second member having and a fixture for attaching the second member to the first member so that the second member is supported by the first member.

When the first member of the first support means is angularly rotated about the first axis with respect to the second support means prior to connecting the first and second support means, the second member The direction of the first axis with respect to the support means changes, and the direction of the optical axis of the television camera housed in the first support means changes. But,
When the first and second support means are coupled by the coupling means, the first and second support means are prevented from changing their relative position about the first axis, so that the television camera has an optical system. It prevents the direction of the axis from changing.

Similarly, prior to attaching the second member to the first member, rotating the second member angularly about the first axis with respect to the first member causes attachment to the second member. The vertical scanning direction of the TV camera changes. However, attaching the second member to the first member prevents the first and second members from changing relative positions about the first axis so that the television camera scans it vertically. Is prevented from changing direction.

According to the invention, the first support means is combined with the second support means so as to be angularly rotatable about a second axis intersecting the first axis passing through the imaging hole. And a second member that supports at least a part of the television camera and a second member that supports the television camera.
And a second member having an image capturing hole, which is arranged in the first member so as to be rotatable about the axis of, the direction of the optical axis of the television camera and the direction of vertical scanning. It can be adjusted separately, so that the direction of the optical axis of the television camera and the direction of vertical scanning can be easily and accurately set in any direction.

The television camera can be supported by the first support means so that its optical axis coincides with the first axis.

It is preferable to fit the first member and the second support means to each other. This makes it possible to easily adjust the relative positions of the first member and the second supporting means around the first axis.

The first member and the second support means are the first member.
Can have an annular surface that intersects the axis of and intersects perpendicularly with the second axis and that extends continuously around the second axis. In this case, the first member and the second supporting means can be butted against each other on the annular surface.

The connecting means can use a plurality of screws for connecting the first member and the second supporting means at locations equiangularly spaced around the second axis.

With the first member and the second means, a housing for housing the television camera can be configured in cooperation with each other.

Further, a third support means combined with the second support means for angular rotation about a third axis intersecting the first and second axes, and the second support means. Attachment means for attaching the second support means to the third support means so as to be supported by the third means, the attachment means preventing relative displacement of the second and third support means. Can be included.

In this case, before connecting the second and third support means,
Rotating the second support means angularly about the third axis with respect to the third support means changes the orientation of the second axis with respect to the third support means. Therefore, during assembly, the second
Adjusts the relative positional relationship of the second and third support means around the third axis so that the axis of the second support means extends in a predetermined direction with respect to the third support means. The supporting means can be connected.

Preferably, the second and third support means are fitted together. This allows the relative position of the second and third support means around the second axis to be easily adjusted.

The first support means may further include a transparent plate that closes the hole, and a holding plate that is fixedly fitted to the first member to prevent the transparent plate from falling off.

(Embodiment) Referring to FIGS. 1 and 2, a supporting device 10 includes first supporting means for supporting a television camera 12, that is, a first supporting body 14, and the first supporting body. Second to support
Support means or second support 16 and third support means or third support for supporting the second support
Including 18 and.

The first support 14 includes a tubular first member 20 and a disc-shaped second member 22 screwed to the inside of the first member.

The first member 20 has an inwardly facing flange portion 24 inside thereof. The flange portion 24 extends around the axis 26 of the first member 20 and also has a plurality of screw holes 28 (see FIG. 1) penetrating in the thickness direction of the flange portion 24. The screw hole 28 is
They are formed at equal angular intervals around the axis 26.

The first member 20 also has a step 32 on the side of the second support 16 which extends continuously around an axis 30 which intersects the axis 26, and at the step 32 a second step 32 is provided. The support 16 is rotatably fitted around an axis 30. In the step portion 32, a plurality of screw holes 34 opening to the side of the second support 16 are formed around the axis 30 at equal angular intervals.

Attached to the second member 22 is a pair of third members 36 extending parallel to one surface of the second member. The television camera 12 is attached to the third member 36 by a plurality of screws 38.

As shown in FIG. 1, the second member 22 has a plurality of holes 40 corresponding to the screw holes 28 formed in the flange portion 24, and penetrates the holes 40 to form the screw holes 28. By a plurality of screws 42 screwed together, the flange portion 24 is attached to the side opposite to the second support body 16 so that the optical axis of the television camera 12, particularly the axis of the objective lens coincides with the axis 26. There is.

Each hole 40 includes an optional threaded hole 28 by rotating the second member 22 relative to the first member 20 about an axis 26 angularly.
Is formed so as to face with. Therefore, by rotating the second member 22 angularly about the axis 26 with respect to the first member 20, the second member 22 relative to the first member 20 is rotated.
You can change the mounting state of.

The second member 22 also has a circular hole 44 in its center. The hole 44 penetrates the second member 22 and is also used as a hole for imaging by the television camera 12. hole
44 is closed by a transparent plate 46 located on the side of the second member 22 opposite the second support 16.

The transparent plate 46 is prevented from coming off from the first member 20 by the holding plate 48 that is fitted to the first member 20 so as not to come off. Between the second member 22 and the transparent plate 46 and the transparent plate 46
Plate-like packings 50 and 52 are arranged between the holding plate 48 and the holding plate 48, respectively. Presser plate 48 and both packings 5
Holes for image pickup by the television camera 12 are also formed in 0 and 52.

The transparent plate 46 and the packing 50 have a rectangular shape, and are arranged in a rectangular recess formed in the second member 22, so that the transparent plate 46 and the packing 50 have the second member 22. On the other hand, it is prevented from rotating angularly around the axis 26.

The second member 22, the presser plate 48 and the packing 52 are attached to the presser plate 48 with a plurality of screws 54 by a key 56.
Relative displacement about axis 26 is prevented.

The second support 16 is a connecting portion connected to the first support 14.
Has 58. The connecting portion 58 has a plurality of holes 60 as the first supporting body.
It is formed corresponding to 14 screw holes 34. Second support
After the connecting portion 58 is fitted to the step portion 32, the 16 is connected to the first support body 14 by the screw 62 penetrating the hole 60 and screwed into the screw hole 34. Therefore, the first and second supports
Prior to being coupled together, 14, 16 are rotatable about axis 30 but when coupled together are prevented from relative displacement.

The third support 18 has a cylindrical shape having an axis 64 that intersects the axes 26 and 30, and has one end rotatably around the axis 64. , And then connected to the second support 16 by a plurality of screws 66.

First support 14 and second support 16 and second support
The 16 and the third support 18 are butted against each other. The abutting surfaces of the first and second supports 14, 16 are surfaces that intersect the axis 26 and are orthogonal to the axis 30. In contrast, the second
And the abutting surfaces of the third supports 16, 18 are the surfaces intersecting the axis 30 and perpendicular to the axis 64.

The support device 10 includes, for example, a TV camera 12 as a third member.
36, the second member 22 is attached to the first member 20, and the transparent plate 46, the holding plate 48, and the packings 50 and 52 are attached to the first member 20.
It can be assembled by attaching to the member 20 and connecting the first and second supports 14 and 16 and connecting the second and third supports 16 and 18.

Thereby, the television camera 12 is accommodated in the space formed by the first and second supports 14 and 16 jointly. Therefore, the first and second supports 14 and 16 act as a housing for housing the television camera 12 in the connected state.

The supporting device 10 assembled in this way is the third supporting body.
At 18, it is attached to the structure of the building, such as the ceiling, columns, and walls. However, without using the third support 18, the second support
The support 16 may be attached to the body.

The direction of the optical axis of the TV camera 12 and the direction of the axis 26 are
The relative position of the first and second supports 14, 16 about the axis 30 or the second and third about the axis 64.
By adjusting the relative position of the supports 16, 18 before the connection with the screws 62 or 66, it can be determined, for example, as shown in FIG. 3 or FIG.

In the example shown in FIGS. 3 and 4, the relative positions of the first and second members 20 and 22 around the axis 26 are also adjusted so that the vertical scanning direction of the television camera 12 becomes a predetermined direction. Is adjusted to.

FIG. 3 is a cross-sectional view of the first support body 14 rotated with respect to the second support body 16 by 90 degrees around the axis 26 from the position shown in FIG. On the other hand, FIG. 4 shows the second support.
16 with respect to the third support 18 from the position shown in FIG.
FIG. 9 is a cross-sectional view when rotated 90 degrees around 30.

However, the first and second supports about the axis 30
By adjusting both the relative position of 14, 16 and the relative position of the second and third supports 16, 18 about the axis 64, the direction of the optical axis of the television camera 12 and the axis 26.
The direction of may be adjusted.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a supporting device of the present invention, FIG. 2 is a sectional view of the supporting device of FIG. 1, and FIGS. 3 and 4 show displacement of adjacent supporting bodies. It is sectional drawing which shows a state. 10: support device, 12: TV camera, 14: first support, 16: second support, 18: third support, 20: first member, 22: second member, 26, 30, 64: Axis line, 42: Screws for connecting first and second members, 44: Hole, 46: Transparent plate, 48: Holding plate, 62, 66: Screws for connecting first and second supports .

Claims (9)

[Claims] 1. A first supporting means for supporting a television camera and accommodating the television camera, the first supporting means having a hole for imaging by the television camera, and a first axis passing through the hole. Second support means associated with the first support means for angular rotation about a second axis intersecting with the first support means and the first support means being supported by the second support means. A first connecting means for connecting the first and second supporting means, and a connecting means for preventing relative displacement of the first and second supporting means. A first member that is combined with the second support means so as to be angularly rotatable about the second axis by the connecting means, the first member accommodating at least a part of the television camera. And a second part for supporting the television camera A second member having the hole, the second member having the hole, the second member being disposed in the first member so as to be angularly rotatable about the first axis; A supporting device for a television camera, comprising: a fixture for attaching the second member to the first member for supporting. 2. The television camera support device according to claim 1, wherein the television camera is supported so that its optical axis coincides with the first axis. 3. The television camera support device according to claim 1, wherein the first member and the second support means are fitted to each other. 4. The first member and the second support means are surfaces that intersect the first axis and are orthogonal to the second axis, and continuously around the second axis. The support device for a television camera according to claim 3, wherein the support device has an extending annular surface and abuts each other on the surface. 5. The connecting means comprises a plurality of screws for connecting the first member and the second supporting means at points equiangularly spaced around the second axis.
The support device for a television camera according to claim 1. 6. The first member and the second means are
The support device for a TV camera according to claim 1, wherein a housing for housing the TV camera is configured in cooperation with each other. 7. A third support means associated with the second support means for angular rotation about a third axis intersecting the first and second axes, and the third support means. Two
To support the supporting means of the second means by the second means.
Mounting means for mounting said supporting means to said third supporting means, said mounting means for preventing relative displacement of said second and third supporting means. Support device for TV camera. 8. The television camera support device of claim 7, wherein the second and third support means are fitted to each other. 9. The first supporting means further comprises a transparent plate for closing the hole, and a holding plate fitted to the first member in a non-removable manner so as to prevent the transparent plate from falling off. The supporting device for a television camera according to claim 1, comprising.