JP7088486B2 - Drone flying object and shooting method using drone flying object - Google Patents

Description

The present invention relates to a drone flying object and a photographing method using the drone flying object.

Conventionally, a drone flying object equipped with a photographing device has been used for inspecting deterioration states such as corrosion, cracks, and paint peeling of structures such as bridges, beams and slate of factories, and the like.

As a drone flying object equipped with such a photographing device, for example, Patent Document 1 describes a drone flying object due to disturbances such as gusts received during flight, turbulence of airflow, turbulence of flying buoyant airflow, or blowback when approaching a structure. Describes an invention relating to a drone flying object capable of performing magnified photography of minute scratches and detailed inspection work even if the aircraft is shaken or moved.

Further, in Patent Document 2, flight control of an unmanned aerial vehicle and drive control of a pan head camera are expressed by a uniform UI, and each control method is changed according to an instruction of a desired shooting angle to obtain a shooting angle. Inventions relating to a direction control method that facilitates adjustment are described.

Japanese Unexamined Patent Publication No. 2017-193331 JP-A-2017-62529

However, there may be parts of structures such as bridges, beams of factories, and objects to be inspected such as slate that cannot be inspected only by taking a picture from the front, such as the inside of H-shaped steel and I-shaped steel. .. In such a case, the photographing device mounted on the drone flying object cannot handle it, and the operator must visually inspect it, which causes problems in safety and efficiency.

On the other hand, according to the inventions described in Patent Document 1 and Patent Document 2, it is possible to cope with the shaking and movement of the drone flying object and to facilitate the adjustment of the shooting angle, but the shooting from the front is possible. It is not possible to deal with parts that cannot be inspected by themselves.

The present invention solves the above-mentioned conventional problems, and provides a drone flying object and a photographing method using a drone flying object, which can cope with a portion that cannot be inspected only by photographing from the front. ..

In order to solve the above problems, the drone flying object of the present invention is provided at a flying object main body provided with a propeller, a camera arm projecting from the flying object main body to the outside of the propeller, and a tip of the camera arm. It is characterized by having a camera.

Further, it is preferable to have a counterweight arm extending from the flying object main body in a direction opposite to the camera arm, and a counterweight provided at the tip of the counterweight arm.

Further, it is preferable that the shooting direction of the camera can be adjusted during flight.

Further, in the photographing method using the drone flying object of the present invention, a flying object main body provided with a propeller, a camera arm projecting from the flying object main body to the outside of the propeller, and a tip of the arm are provided. It is a photographing method using a drone flying object having a camera, and is characterized in that an object to be photographed is photographed from a position other than the front by the camera.

Since the drone flying object of the present invention has a flying object main body provided with a propeller, a camera arm protruding from the flying object main body to the outside of the propeller, and a camera provided at the tip of the camera arm. , The position of the camera can be outside the position of the propeller. This allows the camera to be closer to the object to be photographed than the propeller without bringing the propeller into contact with the object to be photographed, and the object to be photographed is photographed from a position other than the front, with the shooting direction of the camera being inside or up, down, left and right instead of the front. Can be done. Therefore, it is possible to deal with a part that cannot be inspected only by shooting from the front.

Further, when a counterweight arm extending from the main body of the flight object in the direction opposite to the camera arm and a counterweight provided at the tip of the counterweight arm are provided, the counterweight is used to connect the camera arm and the camera. It is possible to balance and make the drone flying object fly stably.

In addition, if the shooting direction of the camera can be adjusted during flight, it is possible to shoot another part of the object to be shot without moving the drone flying object.

Further, in the photographing method using the drone flying object of the present invention, a flying object main body equipped with a propeller, a camera arm protruding from the flying object main body to the outside of the propeller, and a camera provided at the tip of the arm are used. Since it is a shooting method using a drone flying object, the position of the camera can be set to the outside of the position of the propeller. This allows the camera to be closer to the object to be photographed than the propeller without bringing the propeller into contact with the object to be photographed, and the object to be photographed is photographed from a position other than the front, with the shooting direction of the camera being inside or up, down, left and right instead of the front. Can be done. Therefore, it is possible to deal with a part that cannot be inspected only by shooting from the front.

As described above, according to the present invention, it is possible to provide a drone flying object and a photographing method using the drone flying object, which can cope with a portion that cannot be inspected only by photographing from the front.

It is a front view which shows the drone flying object which concerns on embodiment of this invention. It is a top view which shows the drone flying object. It is (A) enlarged front view and (B) enlarged plan view which shows the camera arm and a camera. It is a front view which shows the object to be photographed. It is a top view which shows the photographing method using the drone flying object which concerns on embodiment of this invention.

Next, with reference to FIGS. 1 to 5, a drone flying object and a photographing method using the drone flying object according to the embodiment of the present invention will be described. FIG. 1 is a front view showing the drone flying object 10 according to the present embodiment, and FIG. 2 is a plan view showing the drone flying object 10.

The drone flying object 10 has a flying object main body 1 on which a control unit, a battery, and the like are mounted, and legs 2 attached to the lower portion of the flying object main body 1. Further, six propeller arms 3 extending from the side surface of the flying object main body 1 in the outer peripheral direction are provided, and the propeller 4 is rotatably attached to the tip of each propeller arm 3. The drone aerial vehicle 10 is designed to fly by remote control or autonomous control. The configuration of the flying object main body 1 is not particularly limited, such as the number of propellers and the shape of the propeller arm.

A camera arm 5 is connected to the tip of the arm 3a of the propeller arms 3 of the vehicle body 1. As a result, the camera arm 5 is in a state of protruding outward from the propeller 4 from the flying object main body 1. A camera 6 is provided at the tip of the camera arm 5. The protruding length of the camera arm 5 is set to at least exceed the rotation range of the propeller 4 attached to the propeller arm 3a, whereby the position of the camera 6 is larger than the position of the propeller 4 (including the rotation range). Is also on the outside.

A counterweight arm 7 is connected to the tip of the arm 3b of the propeller arm 3 of the vehicle body 1. As a result, the counterweight arm 7 is in a state of protruding outward from the propeller 4 from the flying object main body 1. A counterweight 8 is provided at the tip of the counterweight arm 7. The protruding length of the counterweight arm 7 is set to at least exceed the rotation range of the propeller 4 attached to the propeller arm 3b, whereby the position of the counterweight 8 is the position of the propeller 4 (including the rotation range). ) Is outside. Further, the counterweight arm 7 extends in the direction opposite to that of the camera arm 5.

FIG. 3 is an enlarged front view (A) and an enlarged plan view (B) showing the camera arm 5 and the camera 6. The camera 6 is rotatably attached to the tip of the camera arm 5 so that the shooting direction can be adjusted via the fixing member 9. In the present embodiment, it is possible to rotate in the horizontal direction, but it may be possible to rotate including up, down, left and right.

Further, the shooting direction of the camera 6 can be adjusted before the flight, but a known control mechanism can be provided so that the camera 6 can be adjusted by remote control by the operator during the flight.

Next, a photographing method using the drone flying object 10 according to the present embodiment will be described. FIG. 4 is a front view showing an object to be photographed, and FIG. 5 is a plan view showing a photographing method using the drone flying object 10.

The object 20 to be photographed is in the hold of a large ship, and the bone members 22 for reinforcement are arranged on the wall surface 21 at intervals. The bone member 22 is a substantially T-shaped member having a cross section arranged so as to project forward from the wall surface 21. Therefore, the back surface of the bone member 22 cannot be seen from the front, and cannot be inspected only by photographing from the front.

On the other hand, in the photographing method using the drone flying object 10 according to the present embodiment, as shown in FIG. 5, the tip of the camera arm 5 is bone while the drone flying object 10 is made to fly close to the wall surface 21. It is located closer to the wall surface 21 than the front side of the member 22. Then, the bone member 22 is photographed from the back surface with the photographing direction of the camera 6 being obliquely rearward. Further, by changing the flight position of the drone flying object 10 or adjusting the shooting angle of the camera 6 during flight, it is possible to shoot various parts that cannot be shot from the front.

The drone flying object 10 according to the present embodiment is provided at the flying object main body 1 provided with the propeller 4, the camera arm 5 projecting from the flying object main body 1 to the outside of the propeller 4, and the tip of the camera arm 5. Since the camera 6 is provided, the position of the camera 6 can be located outside the position of the propeller 4. As a result, the camera 6 is brought closer to the shooting object than the propeller 4 without bringing the propeller 4 into contact with the shooting target 20, and the shooting direction of the camera 6 is set to the inside, up, down, left, and right instead of the front, and the shooting target 20 is set. You can shoot from other than the front. Therefore, it is possible to deal with a part that cannot be inspected only by shooting from the front.

Further, since the counterweight arm 7 extending from the flying object main body 1 in the direction opposite to the camera arm 5 and the counterweight 8 provided at the tip of the counterweight arm 7, the counterweight 8 is used. The drone flying object 10 can be stably flown by balancing with the camera arm 5 and the camera 6.

Further, when the shooting direction of the camera 6 can be adjusted during flight, it is possible to shoot another part of the shooting object 20 without moving the drone flying object 10.

As described above, according to the drone flying object and the photographing method using the drone flying object according to the present embodiment, it is possible to cope with a portion that cannot be inspected only by photographing from the front.

Although the drone flying object and the photographing method using the drone flying object according to the embodiment of the present invention have been described above, the present invention is not limited to the above-described embodiment, and various other modifications are possible. ..

For example, the camera arm and the counterweight arm may be expandable and contractible. Further, the counterweight arm may be arranged inside the propeller. Further, the counterweight may not be attached to the arm but may be attached directly to the main body of the flying object for balance.

Further, the camera arm and the counterweight arm may be directly attached to the vehicle body separately from the propeller arm without being connected to the tip of the propeller arm.

Further, the camera may be either a still image shooting or a moving image shooting.

Further, the object to be photographed is not limited to the inside of the hold of a large ship, and can be applied regardless of whether it is indoors or outdoors, such as a structure such as a bridge, a beam or a slate of a factory or the like.

1 Aircraft body 2 Legs 3 Propeller arm 4 Propeller 5 Camera arm 6 Camera 7 Counterweight arm 8 Counterweight 9 Fixing member 10 Drone flying object 20 Photographed object 21 Wall surface 22 Bone member

Claims (1)

A shooting method using a drone flying object having a flying object main body provided with a propeller, a camera arm projecting from the flying object main body to the outside of the propeller, and a camera provided at the tip of the camera arm. There,
The object to be photographed is a bone member having a substantially T-shaped cross section arranged so as to project forward from the wall surface in the shipyard.
While flying the drone flying object close to the wall surface, the tip of the camera arm is located closer to the wall surface side than the front side of the bone member, and the image shooting direction of the camera is diagonally rear side. A shooting method using a drone flying object, which is characterized by shooting a member from the back side .

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