JP7404136B2 - Camera mounting structure - Google Patents

Description

The present invention relates to a camera mounting structure.

An example of a shutter device is a shutter device that includes a sensor that can detect obstacles that may interfere with the operation of a shutter curtain. Furthermore, a 3D camera capable of image recognition is known as a sensor for detecting objects such as obstacles.

JP2019-215260A

By the way, with a 3D camera, it is necessary to change the shooting area depending on the actual installation environment of the shutter device and the type and position of obstacles expected in the installation environment. It is necessary to stop the vehicle, actually photograph the obstacle, and confirm the image of the obstacle before fixing the 3D camera.

For example, a 3D camera is attached to the shutter case of a shutter device, but since it cannot be decided where on the shutter case to attach the 3D camera until after the shutter device is installed, the shutter case of the shutter device at the time of shipment from the factory is There are no screw holes or the like for attaching a 3D camera.

When attaching a 3D camera to a shutter case at a construction site, for example, hold the 3D camera in your hand and check the captured image on a monitor etc. to confirm that the desired shooting range can be captured. Adjust the position and orientation of the 3D camera held by hand, and once the position and orientation of the 3D camera are determined, temporarily fix the 3D camera to the shutter case with adhesive tape, etc., and then fix the 3D camera to the shutter case with screws, etc. There is a need.

As described above, the work of installing a 3D camera is complicated and there is room for improvement.

An object of the present invention is to provide a camera mounting structure that facilitates mounting work.

The invention according to claim 1 provides a mounting structure for a camera that is attached to an object to which it is attached and photographs its surroundings, comprising: a mount member that holds the camera and is fixed to the object to which it is attached; an adsorbent for holding and temporarily fixing the mount member; a hole provided in the mount member; and a screw inserted into the hole and fastened to the object to be mounted to fix the mount member to the object to be mounted. , has.

In the camera mounting structure according to the first aspect, for example, the camera can be held on the attachment target by adsorbing the adsorbent provided on the mount member to the attachment target. Therefore, there is no need to keep holding the camera by hand, and the position and photographing direction of the camera can be easily adjusted while it is attached to the object to which it is attached.

Once the position and shooting direction of the camera are determined, the camera can be easily fixed to the object to which it is attached. By providing the adsorbent on the mount member in this manner, the work of mounting the camera becomes easier. Note that the adsorbent may be provided on the side of the object to be attached, or may be provided on both the mount member side and the side of the object to be attached.

The invention according to claim 2 is the camera mounting structure according to claim 1, in which the mount member is attached to a base plate fixed to the attachment target object and a contact surface side of the base plate with the attachment target object. The camera includes a recess formed in the recess in which the adsorbent is accommodated, and an arm protruding from the base plate and holding the camera.

In the camera mounting structure according to the second aspect, since the adsorbent is accommodated in the recess formed on the side of the base plate that comes into contact with the object to be mounted, the adsorbent is not brought into direct contact with the object to be mounted. It can be adsorbed by
Since the camera is held by an arm extending from the base plate, it can be separated from the object to which it is attached, and the orientation of the camera can be adjusted without interfering with the object to which it is attached.

The invention according to claim 3 is the camera mounting structure according to claim 1 or 2, wherein the object to be mounted is a shutter case of a shutter device.

In the camera mounting structure according to the third aspect, the camera can be held in the shutter case by adsorbing the adsorbent provided on the mount member to the shutter case of the shutter device.

According to the camera mounting structure of the present invention, the excellent effect of facilitating the mounting work can be obtained.

1 is a front view showing a shutter device to which a camera mounting structure according to an embodiment of the present invention is applied. 1 is a side view showing a shutter device to which a camera mounting structure according to an embodiment of the present invention is applied. FIG. 1 is a perspective view showing one embodiment of a camera.

A shutter device 10 to which the camera mounting structure of the present invention is applied will be described with reference to FIGS. 1 to 3.
As shown in FIGS. 1 and 2, the shutter device 10 is provided at an opening that is an entrance/exit of a structure such as a building 12. The curtain 16 is opened and closed.

The guide rail 14 is fixed to a frame such as a wall of the building 12 on both the left and right sides of the opening. Both ends of the shutter curtain 16 in the width direction are slidably inserted into the guide rail 14, and are guided by the guide rail 14 to open and close.

The guide rail 14 of this embodiment is formed of a steel plate (ferromagnetic material), as an example, in order to attract a magnet 44, which will be described later. When the magnet 44 is used as the adsorbent, the guide rail 14 may be made of a metal material (ferromagnetic material) other than steel plate, as long as the magnet 44 is attracted to it, such as stainless steel.
Furthermore, when using an adsorbent other than the magnet 44, the guide rail 14 may be formed of a metal material other than steel plate, such as stainless steel or aluminum, as long as the adsorbent is adsorbed.

A shutter case 18 is provided at the upper end of the guide rail 14 . The shutter case 18 is arranged to extend in the device width direction so as to connect the upper ends of the pair of guide rails 14. The shutter case 18 has a rectangular cross section cut in a direction perpendicular to the device width direction, and is hollow inside. The shutter case 18 of this embodiment is made of, for example, a steel plate (ferromagnetic material) in order to attract a magnet 44, which will be described later. The shutter case 18 may be made of a metal material (ferromagnetic material) other than a steel plate, such as a stainless steel plate, as long as it is attracted by a magnet.
Furthermore, when using an adsorbent other than the magnet 44, the guide rail 14 may be formed of a metal material other than steel plate, such as stainless steel or aluminum, as long as the adsorbent is attracted to it.

Inside the shutter case 18, a winding shaft 20 is supported by a pair of left and right brackets (not shown) and is rotatably housed. The upper end of the shutter curtain 16 is connected to this winding shaft 20. When the shutter curtain 16 is wound up on the take-up shaft 20, the opening opens, and when the shutter curtain 16 is let out from the take-up shaft 20, the opening is closed. The winding shaft 20 is rotationally driven by a motor 22. Control of the motor 22 is performed using a control device 24.
Note that in this embodiment, the frame 19 is composed of the guide rail 14 and the shutter case 18.

On the front of the shutter case 18, for example, a TOF camera 30 for distance measurement as a 3D camera that can measure the distance to an obstacle (subject) H is attached at the center in the width direction of the device. A 3D camera can also be referred to as a 3D sensor, a depth sensor, a ranging sensor, or a distance camera that can measure the distance to an object.

The TOF camera 30 includes a box-shaped camera case 32, and the camera case 32 houses an image sensor, a lens, a light source, an electronic circuit, and the like. For example, the TOF camera 30 irradiates measurement light whose intensity is modulated at a predetermined period from a light source toward a measurement target space, and detects a phase difference between the irradiated measurement light and reflected light from an object in the measurement target space. A general structure can be adopted.

As shown in FIG. 1, the TOF camera 30 is connected to a control device 24 disposed inside the shutter case 18 via wiring 34. For example, the wiring 34 is inserted through a hole (not shown) formed in the shutter case 18. Note that a connector may be provided in the middle of the wiring 34.

As shown in FIG. 2, the TOF camera 30 can measure the distance to the obstacle H near the opening that is the entrance/exit of the building 12, and thereby determine the position, moving direction, and moving speed of the obstacle H. Information regarding the position, moving direction, and moving speed of the obstacle H can be transmitted to the control device 24.

For example, the control device 24 controls the shutter curtain 16 when starting to unwind the shutter curtain 16 or when determining that there is a risk that the obstacle will come into contact with the shutter curtain 16 during unwinding. The unwinding (closing operation) can be stopped.

The TOF camera 30 of this embodiment includes a mount member 36 that can be attached to the frame 19, and in this embodiment, this mount member 36 is attached to approximately the center of the front surface of the shutter case 18.

The mount member 36 is made of a metal material (ferromagnetic material) such as a steel plate, and includes a base plate 38 that is in contact with an object to be mounted (the shutter case 18 in this embodiment), and a pair of arms that extend upright from the base plate 38. 40.

A recess 42 is formed in the center of the base plate 38 on the side that contacts the shutter case 18, and a magnet 44 is attached to this recess 42. When the mount member 36 is made of a steel plate or the like, the magnet 44 may be simply attracted to the mount member 36, or may be fixed with an adhesive. If the mount member 36 is made of a metal material that the magnet 44 does not attract, it is fixed using a material that can be temporarily attached, such as an adhesive, a suction cup, an adhesive material, or clay (putty).

Furthermore, holes 48 are formed in the base plate 38 on both sides of the arm portion 40, into which drill screws 46 for fastening are inserted.

A hole (not shown) is formed at the distal end side of the arm portion 40, and a screw 50 protruding from the camera case 32 is inserted into this hole. Therefore, the direction of the TOF camera 30 can be adjusted by swinging the TOF camera 30 in the direction of arrow A using the screw 50 as the central axis.
Note that the direction of the TOF camera 30 can be fixed by screwing a nut 52 onto the tip end of the screw 50 inserted through the hole and tightening the nut 52.

(action, effect)
Next, a procedure for installing the TOF camera 30 in the shutter device 10 of this embodiment will be explained.

(1) First, the mount member 36 is attracted to the approximate mounting position on the front of the shutter case 18 by the magnetic force of the magnet 44, and the TOF camera 30 is held in the shutter case 18. Note that holding here can also be referred to as temporary fixing or temporary fixing.

(2) As an example, a monitor (not shown) is connected to the TOF camera 30, and with the TOF camera 30 adsorbed to the shutter case 18, the position and direction of the TOF camera 30 are adjusted while looking at the monitor.
The position and orientation of the TOF camera 30 can be adjusted while it is attached to the shutter case 18, so the holding and adjustment work is easier than when adjusting the TOF camera 30 while holding it by hand. becomes easier. The position of the TOF camera 30 can be adjusted in the vertical direction (direction of arrow H in FIG. 1) and horizontal direction (direction of arrow W in FIG. 1) along the surface of the shutter case 18. Further, as shown in FIG. 3, the direction of the TOF camera 30 can be adjusted by rotating it in the direction of arrow B or swinging it in the direction of arrow A about an axis S perpendicular to the shutter case 18.

(3) Once the position and orientation of the TOF camera 30 have been adjusted, for example, the drill screw 46 inserted through the hole 48 of the base plate 38 is fastened to the shutter case 18.
The mount member 36 is attracted to and held by the shutter case 18 by the magnetic force of the magnet 44, so you can keep holding the TOF camera 30 by hand or attach the TOF camera 30 to the bottom surface 18A of the shutter case 18 using adhesive tape or the like. Since there is no need for temporary fixing, the holding work and the work of fastening the drill screw 46 to the lower surface 18A become easier. That is, the installation work becomes easier.

(4) Furthermore, after the TOF camera 30 is attached to the shutter device 10, for example, the TOF camera 30 may be subjected to position adjustment, repair, etc.
The mount member 36 is attracted to the shutter case 18 by the magnetic force of the magnet 44, so even if the drill screw 46 is removed, the TOF camera 30 remains held in the shutter case 18, so the TOF camera 30 does not fall. There is no need to keep holding the TOF camera 30 by hand. Therefore, the work of holding the TOF camera 30 becomes easier when readjusting the position and orientation of the TOF camera 30, repairing the TOF camera 30, and the like.

[Other embodiments]
Although an example of the embodiment of the present invention has been described above, the embodiment of the present invention is not limited to the above, and can be implemented with various modifications other than the above without departing from the spirit thereof. Of course there is.

The shape of the mount member 36 in the above embodiment is merely an example, and may have a shape other than the shape shown in FIG. 3.

In the above embodiment, an example has been described in which the mount member 36 is attracted by the magnet 44, but the present invention is not limited to this, and the present invention is not limited to this, and the present invention is not limited to this, and the present invention is not limited to this, and the present invention is not limited to this. You can use anything.
The mounting position of the TOF camera 30 is not limited to the front of the shutter case 18, but may be mounted anywhere on the frame 19 as long as the magnet 44 or an adsorbent material other than the magnet 44 is attracted to it, such as the bottom or side surface of the shutter case 18. It may also be a guide rail 14 or the like.
Furthermore, the TOF camera 30 is mounted not at the approximate center of the front of the shutter case 18, but at a position that takes into consideration the wiring from the TOF camera 30 to the control device 24, for example, on the outer surface of the case closer to the control device 24 inside the shutter case. There is no restriction on the mounting position as long as it is a position where the obstacle (subject) H can be photographed.

In the above embodiment, the drill screw 46 was used for fastening, but the present invention is not limited to this, and other fastening members such as screws and nuts, self-tapping screws, and rivets may be used.

In the above embodiment, the magnet 44 is attracted to the shutter case 18 to hold the shutter case 18 on the TOF camera 30. Alternatively, the TOF camera 30 may be fixed to the building after being adsorbed to a metal part (for example, a steel frame) of a building near the shutter device 10 and holding the TOF camera 30 on the building for adjustment. Furthermore, the TOF camera 30 may be fixed to a location other than a building.

Note that when the magnet 44 is attracted to the mount member 36, the magnet 44 may be removed after positioning the TOF camera 30, and the removed magnet 44 may be reused.

In the above embodiment, the TOF camera 30 is supported by the mount member 36, but the camera supported by the mount member 36 is not limited to the TOF camera 30, and may be other types of cameras such as a security camera or a surveillance camera. .

18 Shutter case (mounting object)
30 TOF camera (camera)
36 Mount member 38 Base plate 40 Arm portion 44 Magnet (adsorption member)

Claims (3)

A mounting structure for a camera that is attached to a target object and photographs the surrounding area,
a mount member that holds the camera and is fixed to the attachment target;
an adsorbent that holds and temporarily fixes the mount member to the object to be mounted;
a hole provided in the mount member;
a screw inserted into the hole and fastened to the mounting object to fix the mount member to the mounting object;
A camera mounting structure with The mount member includes a base plate fixed to the attachment target object;
a recess formed on the side of the base plate that comes into contact with the object to be attached, and in which the adsorbent is accommodated;
an arm extending from the base plate and holding the camera;
The camera mounting structure according to claim 1, comprising: The object to be attached is a frame of a shutter device,
A camera mounting structure according to claim 1 or 2.

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