JP7002801B2 - Flying object - Google Patents

Description

The present invention relates to an air vehicle, and more particularly to a manned flight capable air vehicle.

Patent Document 1 proposes a technique relating to a motorcycle.

Japanese Unexamined Patent Publication No. 2016-210328 JP-A-2015-047965 U.S. Patent Application Publication No. 2016/01/76256

The techniques described in Patent Document 1 and Patent Document 2 move the vehicle body forward by applying the rotational force of the tire to the road or the like, but there is a large amount of energy loss such as frictional force. On the other hand, as in Patent Document 3, a technique has been proposed in which the entire vehicle is flown to reduce such energy loss and to eliminate restrictions on movement.

One object of the present invention is to provide an air vehicle as a new means of transportation.

According to the present invention, it is an air vehicle having a main frame and lift generating portions attached to the front and rear of the main frame, respectively.
The mainframe is:
A first front side portion extending horizontally, a first inclined portion extending rearward and downward from the rear end of the first front side portion, and a first rear side portion extending rearward from the rear end of the first inclined portion. With 1 frame;
A second front side portion extending horizontally, a second inclined portion extending rearward and upward from the rear end of the second front side portion, and a second rear side portion extending rearward from the rear end of the second inclined portion. With 2 frames;
Equipped with
The first inclined portion and the second inclined portion have a common connecting portion that connects the first inclined portion and the second inclined portion to each other in an X shape when viewed from the left-right direction. ,
An air vehicle is obtained.

According to the present invention, an air vehicle as a new means of transportation can be obtained.

It is a schematic diagram of the flying object according to the embodiment of this invention. It is a functional block diagram of the flying object of FIG. It is another functional block diagram of the flying object of FIG. It is a figure showing a part of the main frame of the flying object of FIG. It is a figure which shows a part of the other mainframe of the flying object of FIG. It is a figure showing the whole mainframe of the flying object of FIG. It is a figure of the lift generation part of the flying body of FIG. It is a reference figure which shows the use state of the flying object of FIG.

The contents of the embodiments of the present invention will be described in a list. The flying object according to the embodiment of the present invention has the following configurations.
[Item 1]
An air vehicle having a main frame and lift generating parts attached to the front and rear of the main frame, respectively.
The mainframe is:
A first front side portion extending horizontally, a first inclined portion extending rearward and downward from the rear end of the first front side portion, and a first rear side portion extending rearward from the rear end of the first inclined portion. With 1 frame;
A second front side portion extending horizontally, a second inclined portion extending rearward and upward from the rear end of the second front side portion, and a second rear side portion extending rearward from the rear end of the second inclined portion. With 2 frames;
Equipped with
The first inclined portion and the second inclined portion have a common connecting portion that connects the first inclined portion and the second inclined portion to each other in an X shape when viewed from the left-right direction. ,
Flying body.
[Item 2]
The flying object according to item 1.
The first anterior portion is lower than the second posterior portion,
The second anterior portion is lower than the first posterior portion.
Flying body.
[Item 3]
The flying object according to item 1 and item 2.
Each of the first frame and the second frame has a point-symmetrical shape with respect to the connecting portion.
Flying body.
[Item 4]
The flying object according to any one of items 1 to 3.
The horizontal lengths of the first front side portion and the first rear side portion are larger than the horizontal lengths of the second front side portion and the second rear side portion, respectively.
Flying body.
[Item 5]
The flying object according to any one of items 1 to 4.
The connecting portion is a central portion of the first inclined portion and the second inclined portion.
Flying body.
[Item 6]
The flying object according to any one of items 1 to 5.
The first front side portion and the first inclined portion, the first inclined portion and the first rear side portion, the second front side portion and the second inclined portion, the second inclined portion and the second rear side portion. The angle formed by each is 110 degrees or more and 130 degrees or less.
Flying body.
[Item 7]
The flying object according to any one of items 1 to 6.
The lift generating portion includes a front lift generating portion attached to the first front side portion and a rear lift generating portion attached to the first rear side portion.
Flying body.
[Item 8]
The flying object according to item 7.
The front lift generating section and the rear lift generating section each include a rotary wing and a power section for rotating the rotary wing.
The rotor blade of the front lift generating portion is attached downward.
The rotor blade of the rear lift generating portion is attached upward.
When viewed from the vertical direction, the rotary wing of the front lift generating portion and the rotary wing of the rear lift generating portion rotate in opposite directions.
Flying body.
[Item 9]
The flying object according to item 8.
The front lift generating portion and the rear lift generating portion each further include a guard portion provided so as to cover the rotary blade.
Flying body.
[Item 10]
The flying object according to any one of items 1 to 9.
The main frame is formed by bending a square pipe or a round pipe.
Flying body.
[Item 11]
The flying object according to any one of items 1 to 10.
The mainframe is made of aluminum,
Flying body.

<Details of the embodiment>
Hereinafter, the flying object according to the embodiment of the present invention will be described with reference to the drawings.

<Overview>
As shown in FIG. 1, the flying object 1 according to the embodiment of the present invention has mainframes 2 and 2.
'And lift generators 3 and 3'attached to the mainframes 2 and 2', respectively. The flight body 1 according to the present embodiment is a flight body on which a person can ride, and may be called a so-called hoverbike, exercise bike (registered trademark), or the like. The flying object 1 can ascend and move at a height of about 50 cm to 100 cm above the ground with a person on it. The lift generating units 3 and 3'according to the present embodiment are the engines 30 and 30'and the propellers 4 and 4'.
The illustrated flying object 1 advances in the X direction (+ X direction).

The propellers 4 and 4'rotate under the force of the engines 30 and 30'. Propellers 4, 4'
As a result of the rotation, the flying object 1 takes off from the ground and generates a propulsive force for horizontally moving. The propellers 4 and 4'can rotate to the right, stop, and rotate to the left. The propellers 4 and 4'according to the present embodiment have a diameter of 1.5 m.

Also with reference to FIG. 8, the propellers 4 and 4'of the present invention have any blade having an elongated shape (
The number of rotors) (eg, 1, 2, 3, 4, or more blades) may be used. Further, the shape of the blade can be any shape such as a flat shape, a curved shape, a twisted shape, a tapered shape, or a combination thereof. The shape of the blade can be changed (for example, expansion and contraction,
Folding, folding, etc.). The blades may be symmetrical (having the same upper and lower surfaces) or asymmetric (having differently shaped upper and lower surfaces). The blades are air foil,
Wings, or blades, can be formed into geometry suitable for generating dynamic aerodynamic forces (eg, lift, thrust) as they move through the air. The geometry of the blades can be appropriately selected to optimize the dynamic air characteristics of the blades, such as increasing lift and thrust and reducing drag.

The engines 30 and 30'cause the rotation of the propellers 4 and 4', for example.
It is possible to include an electric motor, an engine, or the like. In this embodiment, an engine is used, the wings are driveable by the engine, and rotate clockwise and / or counterclockwise around the axis of rotation of the motor (eg, the long axis of the motor). ..

The blades can all rotate in the same direction or can rotate independently. The other blades rotate in the other direction. The blades can all rotate at the same rotation speed,
It is also possible to rotate at different rotation speeds. The rotation speed can be automatically or manually determined based on the dimensions (for example, size, weight) and control state (speed, moving direction, etc.) of the moving body.

As shown in FIG. 2, the power source according to the present embodiment is an engine driven by gasoline. The aircraft 1 includes a propeller and an engine, a gasoline tank for supplying gasoline (mixed fuel) to the engine, a generator that generates electricity by using the power of the engine, and a power control unit that adjusts the supplied electric power. I have it. Further, the flying object 1 includes an inertial sensor (accelerometer, gyro sensor), a GPS sensor, and a proximity sensor (for example, a proximity sensor).
It includes a rider) or a vision / image sensor (eg, a camera), and the data acquired by the sensor is output to the control unit. The control unit calculates the output of the engine and the like using the acquired data.

As shown in FIG. 3, the vehicle having other functional configurations according to the present embodiment can also use a motor as a power source for rotating the propeller. In this case, the flying object 1 includes a battery and a battery controller that manages the power supply of the battery in order to rotate the motor. The motor has an ESC (Electronic Speed Control).
r) is connected and controls the rotation of the motor based on the control from the flight controller. The flight controller is a so-called processing unit. The processing unit can have one or more processors such as a programmable processor (eg, a central processing unit (CPU)). Further, the flying object 1 is an inertial sensor (accelerometer, gyro sensor).
, GPS sensor, proximity sensor (eg, rider), or vision / image sensor (
For example, a camera) is included, and the data acquired by the sensor is output to the flight controller.

The flying object 1 can also be used in combination with an engine and a motor as a power source for rotating the propeller.

As shown in FIGS. 1 and 4, the main frame 2 according to the present embodiment has a substantially ladder-like structure in which two frames are connected by using six connecting portions 29. The main frame 2 has a front side portion 21 extending horizontally and an inclined portion 2 extending rearward and downward from the rear end of the front side portion 21.
3 and a rear side portion 25 extending rearward from the rear end of the inclined portion 23 are provided. As will be understood with reference to FIG. 1, the main frame 2 according to the present embodiment is connected to the main frame 2'by a connecting portion 27 near the center of the inclined portions 23, 23'. As a result, as is well shown in FIG. 1, the inclined portions 23 and 23'are connected to each other so as to have an X-shaped appearance.

As shown in FIG. 5, the mainframe 2'is also a pair of two frames like the mainframe 2. The main frame 2'has a horizontally extending front side portion 21'and the front side portion 21.
It is provided with an inclined portion 23'extending rearward and upward from the rear end of the'sloping portion 23'and a rear side portion 25' extending rearward from the rear end of the inclined portion 23'. The main frame 2'is provided with a seat 50. Seat 5
0 is configured by wrapping a band made by knitting a polyester material or the like around a pair of two frames.

The main frames 2 and 2'according to the present embodiment are formed by bending an aluminum round pipe. The material is not limited to this. Further, the durability may be further enhanced by using a square pipe.

As shown in FIG. 6, the anterior portion 21 is T1 lower than the posterior portion _25'and the anterior portion 21'.
Is also T ₂ lower than the rear side 25. Further, the horizontal lengths of the front side portion 21 and the rear side portion 25 are larger than the horizontal lengths of the front side portions 21'and 25', respectively. note that,
As can be understood from the figure, the mainframes 2 and 2'according to the present embodiment each have a point-symmetrical shape.
Flying body.

The angle (α, β) formed by the front side portion 21, the inclined portion 23, the inclined portion 23, and the rear side portion 25 is 110 degrees or more and 130 degrees or less, and particularly 120 degrees in the present embodiment. Similarly, the angle formed by the front side portion 21'and the inclined portion 23', the inclined portion 23'and the rear side portion 25'is 110 degrees or more and 130.
It is less than or equal to 120 degrees, especially in the present embodiment.

As shown in FIGS. 1 and 7, the lift generating portions 3 and 3'according to the present embodiment are further provided with guards 40 and 40'provided so as to cover the propellers 4 and 4', respectively. There is.
The guards 40, 40'have a circular shape and are supported by a plurality of spokes 42.

As shown in FIG. 1, the lift generating portion 3 according to the present embodiment is attached downward to the front side portion 21. On the other hand, the lift generating portion 3'is attached to the rear side portion 25 upward. When viewed from the vertical direction, the propeller 4 and the propeller 4'rotate in opposite directions. As a result, the rotational torque is canceled, and it is possible to prevent the flying object 1 from rolling over or causing unintended rotation.

As shown in FIGS. 1 and 8, the user P sits on the seat and operates the switch near the inclined portion 23 to increase the output of the engines 30 and 30'. When the flying object 1 rises from the ground G, the flying object 1 moves forward by taking a forward leaning posture.

(Example)
Hereinafter, examples of the present invention will be described with respect to the engine used in particular. For the output of the engine, the following formulas 1 and 2 were used as basic formulas.

However, each variable is as follows.

In order for the flying object to surface, the following mathematical formula 3 must hold, and if the mathematical formula 3 is arranged with respect to P, the mathematical formula 4 can be obtained.

In the present embodiment, a propeller having a diameter of 1.5 m and a propeller having a diameter of 2 are used based on the above-mentioned mathematical formula.
.. A 0m propeller was used. The specifications and engine characteristics of each propeller are shown in Tables 1 and 2 below, respectively.

The embodiments described above are merely examples for facilitating the understanding of the present invention, and are not intended to limit the interpretation of the present invention. It goes without saying that the present invention can be modified and improved without departing from the spirit thereof, and the present invention includes its equivalents.

1 Aircraft 2, 2'Mainframe 3, 3'Lift generator 4, 4'Propeller 21, 21'Front side 23, 23'Inclined part 25, 25'Rear side 27 Connection part 29 Connection part 30, 30' Engine 40, 40'Guard 42 Spoke 50 Seat 60 Switch

Claims (2)

An air vehicle having a main frame and lift generating parts fixed to the front and rear of the main frame, respectively.
The mainframe comprises a horizontally extending first front side portion.
The lift generating portion includes a front lift generating portion attached to the lower side of the first front side portion.
The front lift generating unit is a flying object composed of a single rotor and a power unit that rotates the rotor. The flying object according to claim 1, wherein the lift generating portion includes a guard provided so as to cover the rotary wing.

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