Wheel chock drone and vehicle system equipped with same

Abstract

To eliminate the need for a driver to manually install and release a wheel stopper.SOLUTION: A wheel stopper drone 1 includes: a wheel stopper portion 2 having a contact surface 2a configured to come into contact with a wheel 135 of a vehicle 13 to stop rolling of the wheel 135; a plurality of rotary wings 4 configured to fly; a battery 7 configured to drive the rotary wings 4; a flight control unit 6 configured to perform control for flying along flight paths R1 to R4 to an installation position 13b where rolling of wheels 135, 138 is stopped; and obstacle sensors 91, 92 configured to detect obstacles 100, 101 in the flight paths R1 to R4 to the installation position 13b. When the obstacle sensors 91, 92 detect the obstacles 100, 101, the flight control unit 6 changes the flight paths R1 to R4.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present invention relates to a wheel chock drone for preventing vehicles such as forklifts and cargo trucks from moving away unattended while parked, and a vehicle system equipped with the same. [Background technology]

[0002] Vehicles such as forklifts and freight trucks have heavy bodies, so when parking them, drivers activate the parking brake (side brake) to stop the vehicle. However, especially when the vehicle is parked on a slope, if the driver forgets to activate the parking brake or does not activate the parking brake properly, there is a risk that the vehicle will move away without a driver. Therefore, in addition to the parking brake, drivers also install wheel chocks (tire stoppers) on the vehicle's wheels to prevent the vehicle from moving away without a driver.

[0003] Since wheel chocks are manually placed on the vehicle's wheels by the driver, there is a risk that the vehicle may start moving while the driver is preparing the wheel chocks when parked on a slope. In particular, if the vehicle starts moving while the driver is placing the wheel chocks on the wheels, there is a risk that the driver's hands or other parts of the body may become caught in the wheels.

[0004] On the other hand, because the driver manually places the wheel chocks on the vehicle wheels, the driver may forget to place them. Also, when the driver drives the vehicle, the driver manually moves the wheel chocks away from the wheels to release them, allowing the vehicle to move, but the driver may forget to release the wheel chocks.

[0005] In particular, if the driver forgets to install wheel chocks when parking a vehicle on a slope, the vehicle may move. Also, if the driver forgets to release the wheel chocks when moving the vehicle, the vehicle may run over the wheel chocks and fall over.

[0006] For this reason, for example, Patent Documents 1 and 2 disclose devices configured to notify the driver of the installation and release of wheel chocks. However, with conventional wheel chocks, the driver must manually install and release the wheel chocks on the vehicle wheels, which poses a risk of the driver's hands or other parts getting caught in the wheels. [Prior art documents] [Patent documents]

[0007] [Patent Document 1] Japanese Patent Application Publication No. 7-277159 [Patent Document 2] Japanese Patent Application Laid-Open No. 2005-199731 Summary of the Invention [Problem to be solved by the invention]

[0008] Therefore, the problem that the present invention aims to solve is to provide a wheel stop drone and a vehicle system equipped with the same that do not require the driver to manually install and release wheel stoppers. [Means for solving the problem]

[0009] The wheel chock drone of the present invention is a wheel stopper portion having an abutment surface for abutting against a wheel of a vehicle to stop the wheel from rolling; Multiple rotors for flight; a battery for driving the rotor; a memory unit that stores a flight path to an installation position where the wheels stop rolling; a flight control unit for controlling the aircraft to fly along a flight path; an obstacle sensor for detecting an obstacle on a flight path to the installation position; The flight control unit changes the flight path when the obstacle sensor detects an obstacle.

[0010] Preferably, when an obstacle is detected on a flight route for which a priority has been set, the flight control unit changes the flight route from one with a higher priority to one with a lower priority.

[0011] Moreover, it is preferable that the obstacle sensors include a first obstacle sensor for detecting obstacles on the flight path, and a second obstacle sensor for detecting obstacles at the installation position.

[0012] In addition, it is preferable that each rotor be provided on both sides of the wheel stop drone and on the rear side of the abutment surface.

[0013] Preferably, the memory unit stores the route flown by the wheel stopper drone as a flight route.

[0014] The memory unit may also be configured to store a flight path between the standby position where the wheel stopper drone waits and the set position.

[0015] Preferably, the vehicle includes a detection unit for detecting start and stop of a drive unit of the vehicle, and a wireless communication unit for transmitting a detection signal from the detection unit, The wheel stop drone is equipped with a wireless communication unit for receiving detection signals and flies based on the detection signals.

[0016] Preferably, the vehicle includes a detection unit for detecting operation and release of a parking brake unit of the vehicle, and a wireless communication unit for transmitting a detection signal from the detection unit, The wheel stop drone is equipped with a wireless communication unit for receiving detection signals and flies based on the detection signals.

[0017] In addition, in the vehicle system according to the present invention, The vehicle is The above wheel-stop drone, a standby position for waiting the wheel chock drone; The waiting position is equipped with a power supply unit for supplying power to the battery of the wheel stop drone. [Effects of the Invention]

[0018] The wheel chock drone of the present invention is configured to fly using multiple rotors and be able to set and release wheel chocks on vehicle wheels, eliminating the need for the driver to manually set and release wheel chocks, and therefore eliminating the risk of the driver's hands or other parts of the body getting caught in the wheel of the vehicle.

[0019] In addition, the wheel stop drone of the present invention is configured to fly along a flight path to an installation position that stops the vehicle's wheels from rolling, and to change its flight path when an obstacle is detected on the flight path, so that the wheel stop drone can fly to the wheel installation position without colliding with an obstacle. [Brief explanation of the drawings]

[0020] [Figure 1] 1A and 1B show a wheel-stop drone, in which FIG. 1A is a perspective view and FIG. 1B is a plan view. [Figure 2] FIG. 1 is a block diagram showing the configuration of a wheel chock drone, a vehicle, and a remote controller. [Figure 3] FIG. 4 is a block diagram for explaining a flight path stored in a memory unit. [Figure 4] A side view illustrating the installation position of the wheel stop drone. [Figure 5] FIG. 4 is a plan view illustrating a change in flight path caused by a first obstacle sensor. [Figure 6] FIG. 10 is a plan view illustrating a change in flight path caused by a second obstacle sensor. DETAILED DESCRIPTION OF THE INVENTION

[0021] Hereinafter, an embodiment of a wheel stop drone and a vehicle system including the same according to the present invention will be described with reference to the drawings. The X direction, Y direction, and Z direction are orthogonal to each other.

[0022] As shown in FIG. 1, the wheel stop drone 1 includes a wheel stopper unit 2 and a main body unit 3. The wheel stopper unit 2 and the main body unit 3 have a predetermined width in the X direction (left-right direction) and are connected to each other in the Y direction (front-rear direction). In this embodiment, the wheel stopper unit 2 and the main body unit 3 are configured to be connectable and separable to facilitate maintenance and inspection. The wheel stopper unit 2 and the main body unit 3 may also be integrated.

[0023] The wheel stopper portion 2 has a contact surface 2a on the front side in the Y direction. The wheel stopper portion 2 is connected to the main body portion 3 on the rear side in the Y direction. The contact surface 2a is configured to be in contact with the vehicle wheels 135, 138. The contact surface 2a is inclined with respect to the Z direction (vertical direction) and has a curved arc shape. This allows the contact surface 2a to come into close contact with the vehicle wheels.

[0024] The wheel stop drone 1 is equipped with multiple rotors 4. In this embodiment, the wheel stop drone 1 has four rotors 4 provided on the main body 3. Two rotors 4 are provided on each side of the main body 3 in the X direction (left-right direction). The two rotors 4 provided on the side of the main body 3 are arranged side by side in the Y direction (front-back direction).

[0025] The number of rotors 4 is not limited to four and is determined depending on the weight, stability, flight time, flight environment, etc. of the wheel chock drone 1. Generally, a larger number of rotors 4 enables stable flight, while a smaller number of rotors 4 makes the drone lighter and more compact, enabling high-speed flight.

[0026] The rotors 4 do not have to be provided on both side surfaces of the main body 3, and may be provided, for example, on the top surface 3a of the main body 3. When the rotors 4 are arranged so as not to protrude beyond the top surface 3a of the main body 3, as in the present embodiment, the wheel stop drone 1 can be installed in the space between the underside of the vehicle body and the passageway surface even when the vertical distance between the space is small. However, when the rotors 4 are arranged on the top surface 3a of the main body 3 or arranged so as to protrude beyond the top surface 3a, the wheel stop drone 1 may not be installed in the space when the vertical distance between the underside of the vehicle body and the passageway surface is small. Therefore, by arranging the rotors 4 so as not to protrude beyond the top surface 3a of the main body 3, the wheel stop drone 1 can be installed on various vehicles.

[0027] The wheel stop drone 1 is equipped with a first obstacle sensor 91 for detecting an obstacle 100 (FIG. 5) ahead during flight. In this embodiment, the first obstacle sensor 91 is provided on the contact surface 2a of the wheel stopper portion 2 so that it can detect what is ahead of the wheel stop drone 1. The first obstacle sensor 91 is also configured with, for example, a laser sensor, an ultrasonic sensor, a stereo camera, or the like so that it can detect obstacles 100 such as walls and curbs. This allows the wheel stop drone 1 to detect obstacles 100 in its flight path during flight based on signals or images from the first obstacle sensor 91, as will be described later.

[0028] The wheel stop drone 1 is equipped with second obstacle sensors 92 for detecting obstacles 101 (FIG. 6) below during flight. In this embodiment, the second obstacle sensors 92 are provided on both sides of the wheel stopper 2 in the X direction so that they can detect what is below the wheel stopper drone 1. The second obstacle sensors 92 are also configured with, for example, laser sensors, ultrasonic sensors, stereo cameras, etc., so that they can detect obstacles 101 such as pebbles. This allows the wheel stopper drone 1 to detect the obstacle 101 at the installation position 13b during flight based on signals or images from the second obstacle sensors 92, as will be described later.

[0029] As shown in Figure 2, the wheel chock drone 1 has multiple motors 5 connected to each rotor 4, and the rotor 4 is rotated by driving the motors 5. Generally, the motor 5 is configured as a brushless motor, with a permanent magnet on the rotor side and a three-phase winding on the stator side.

[0030] The wheel chock drone 1 is equipped with a flight control unit 6 for controlling the drive of each motor 5. The flight control unit 6 is equipped with a calculation unit 60 and a memory unit 61, and is configured so that the calculation unit 60 performs calculations based on signals from various sensors and the like provided in the wheel chock drone 1 and commands and the like from the memory unit 61, thereby comprehensively controlling the flight. The wheel chock drone 1 is equipped with main sensors such as a gyro sensor that measures the behavior and tilt of the aircraft, a barometric pressure sensor that detects altitude, and a GPS that detects the aircraft's position information.

[0031] The flight control unit 6 is connected to the first obstacle sensor 91 and the second obstacle sensor 92, and is configured to control the flight of the wheel stopper drone 1 based on the detection signals from each obstacle sensor 91, 92.

[0032] As shown in FIG. 3, the memory unit 61 stores first to fourth flight paths R1 to R4, which are paths along which the wheel stop drone 1 flies. Priorities are set for the flight paths R1 to R4 for each wheel 135, 138. For example, the first flight path R1, which has the highest priority, is a path to the installation position 13b of the left or right front wheel 135, which cannot turn, and the fourth flight path R4, which has the lowest priority, is a path to the installation position 13b of the left or right rear wheel 138, which can turn. Note that in this embodiment, the front wheel 135 does not turn even when the handle is operated and always faces forward or backward. Therefore, the wheel stopper unit 2 of the wheel stop drone 1 accurately abuts against the front wheel 135 at the installation position 13b of the front wheel 135, thereby reliably stopping the vehicle 13.

[0033] The vehicle 13, such as a forklift or cargo truck, is equipped with a drive unit 130 including a motor, engine, etc. mounted on the vehicle body, and a parking brake unit 131 including a side brake, etc., provided in the driver's seat. The vehicle 13 further includes a detection unit 132 for detecting the start and stop of the drive unit 130 or the activation and deactivation of the parking brake unit 131, and a wireless communication unit 133 for transmitting a signal from the detection unit 132 to the wireless communication unit 8 of the wheel stop drone 1.

[0034] Next, the operation of the wheel stop drone 1 will be described. 4 to 6, the vehicle 13 includes a body 134 on which a driver's seat 136, a drive unit 130, a battery 137, etc. are mounted, and front wheels 135 and rear wheels 138 provided on the lower part of the body 134. For example, a position behind the driver's seat 136 of the vehicle 13 is a standby position 13a where the wheel stopper drone 1 is on standby.

[0035] The vehicle 13 is equipped with a power supply unit 70 at the standby position 13a for supplying power to the battery 7 of the wheel stop drone 1. The power supply unit 70 is connected to a battery 137 mounted on the vehicle 13 and is configured as a contact or non-contact power supply device, and is configured so that power is supplied from the battery 137 of the vehicle 13 to the battery 7 of the wheel stop drone 1 through the power supply unit 70 while the wheel stop drone 1 is waiting at the standby position 13a.

[0036] When an operator such as the driver of the vehicle 13 parks the vehicle 13, he or she activates the wheel stopper drone 1, and the wheel stopper drone 1 flies along flight paths R1 to R4 from standby position 13a to installation position 13b, which prevents the vehicle's wheels 135, 138 from rolling. The wheel stopper unit 2 of the wheel stopper drone 1 installed at installation position 13b is then positioned to face the vehicle's wheels 135, 138. This causes the wheel stopper 2 of the wheel stopper drone 1 to be installed on the wheels 135, 138, preventing the wheels 135, 138 from rolling. Note that the wheel 135, 138 on which the wheel stopper drone 1 is installed may be one of the four wheels provided on the vehicle 13.

[0037] 5, when the first obstacle sensor 91 detects an obstacle 100 such as a wall or curb along the first flight path R1, which has the highest priority, the wheel stop drone 1 changes to the second flight path R2, which has the next highest priority, and if another obstacle 100 is detected during flight, the wheel stop drone 1 changes to the next highest priority flight paths R3 and R4, in that order. This prevents the wheel stop drone 1 from colliding with the obstacle 100 during flight.

[0038] 6, when the wheel stop drone 1 is flying along the first flight route R1, which has the highest priority, and the second obstacle sensor 92 detects an obstacle 101 such as a pebble at the installation position 13b on the first flight route R1, the wheel stop drone 1 changes to the second flight route R2, which has the next highest priority, and if an obstacle 101 is detected again, the wheel stop drone 1 changes to the flight routes R3 and R4, which have the next highest priorities, in that order. This prevents the wheel stop drone 1 from being installed on the obstacle 101 at the installation position 13b, allowing the vehicle 13 to be stopped reliably.

[0039] When an operator such as a driver of the vehicle 13 moves the vehicle 13, the operator activates the wheel stopper drone 1, and the wheel stopper drone 1 flies along flight routes R1 to R4 from installation position 13b to standby position 13a. This releases the wheel stopper applied by the wheel stopper drone 1.

[0040] In this embodiment, two wheel stop drones 1 are configured to wait at the waiting position 13a of each vehicle 13, with one wheel stop drone 1 installed in front of the wheels 135, 138 and the other wheel stop drone 1 installed behind the wheels 135, 138. This allows the wheel stop drone 1 to prevent the vehicle 13 from moving forward or backward.

[0041] In this embodiment, an operator operates the wheel stopper drone 1 using a remote controller 10 (FIG. 2) having an operation unit 11 and a wireless communication unit 12, and while the wheel stopper drone 1 flies between the standby position 13a and the installation position 13b, the memory unit 61 of the wheel stopper drone 1 stores the drive of each motor 5. As a result, the wheel stopper drone 1 is configured to store the flight routes R1 to R4 between the standby position 13a and the installation position 13b.

[0042] Furthermore, when the wheel stopper drone 1 receives a detection signal from the detection unit 132, it flies between the standby position 13a and the installation position 13b based on the flight routes R1 to R4 stored in the memory unit 61. As a result, when the detection unit 132 detects that the drive unit 130 has stopped or that the parking brake unit 131 has been activated, the wheel stopper drone 1 flies from the standby position 13a to the installation position 13b. Furthermore, when the detection unit 132 detects that the drive unit 130 has started up or that the parking brake unit 131 has been released, the wheel stopper drone 1 flies from the installation position 13b to the standby position 13a.

[0043] Although the preferred embodiments of the present invention have been described above, the configuration of the present invention is not limited to these embodiments. For example, the following modifications are possible.

[0044] A plurality of flight paths R, each with a priority assigned to each wheel 135, 138, may be set. For example, four flight paths R may be set for the left front wheel 135 with a first priority, four flight paths R for the right front wheel 135 with a second priority, four flight paths R for the left rear wheel 138 with a third priority, and four flight paths R for the right rear wheel 138 with a fourth priority. In this case, when the obstacle sensors 91, 92 detect obstacles 100, 101 during flight on the first flight path R1 for the left front wheel 135 with the first priority, the flight control unit 6 changes to the second flight path R2 for the left front wheel 135, and when the obstacle sensors 91, 92 still detect obstacles 100, 101 even after changing to the fourth flight path R4, the flight control unit 6 changes to the first flight path R1 for the right front wheel 135.

[0045] The flight paths R1 to R4 of the wheel stopper drone 1 may be simulated by a computer based on the relative three-dimensional coordinates of the waiting position 13a and the installation position 13b relative to the vehicle 13, and the memory unit 61 may be configured to store the flight paths.

[0046] Vehicle 13 may be provided with a button near driver's seat 136 for starting the flight of wheel stop drone 1. As a result, when the driver parks vehicle 13, he or she may press the button to fly wheel stop drone 1 from standby position 13a to installation position 13b, and when the driver moves vehicle 13, he or she may press the button to fly wheel stop drone 1 from installation position 13b to standby position 13a.

[0047] The wheel stopper drone 1 may have the wheel stopper portion 2 and the main body portion 3 integrally formed.

[0048] The first obstacle sensor 91 is required to be able to detect what is in front of the wheel stopper drone 1, and the second obstacle sensor 92 is required to be able to detect what is below the wheel stopper drone 1, and the installation location and configuration of the wheel stopper drone 1 are not limited.

[0049] The effects of the present invention will be described.

[0050] The wheel stop drone 1 of the present invention comprises a wheel stop portion 2 having an abutment surface 2a for abutting against the wheels 135, 138 of the vehicle 13 to stop the wheels 135, 138 from rolling, a plurality of rotors 4 for flight, and a battery 7 for driving the rotors 4.

[0051] This eliminates the need for the driver to manually set and release the wheel chocks, and therefore eliminates the risk of the driver's hands or the like being caught in the vehicle wheels while setting and releasing the wheel chocks.

[0052] Furthermore, the wheel stop drone 1 is equipped with a flight control unit 6 for controlling the drone to fly along flight paths R1 to R4 to the installation position 13b where the wheels 135, 138 stop rolling, and obstacle sensors 91, 92 for detecting obstacles 100, 101 on the flight paths R1 to R4 to the installation position 13b, and the flight control unit 6 changes the flight paths R1 to R4 when the obstacle sensors 91, 92 detect the obstacles 100, 101.

[0053] This prevents the wheel stop drone 1 from colliding with the obstacle 100 during flight, and further prevents it from being installed on the obstacle 101 at the installation position 13b, allowing the vehicle 13 to be stopped reliably.

[0054] In addition, the flight control unit 6 stores flight paths R1 to R4 with priorities set for each wheel 135, 138, and when an obstacle 100, 101 is detected on the flight path R1 to R4, it changes from the flight path R1 to R4 with a higher priority to the flight path R1 to R4 with a lower priority.

[0055] As a result, the flight paths R1 to R4 are prioritized in order of how well the wheel stop drone 1 can reliably stop the wheels 135, 138. For example, the flight paths R1 to R4 to the installation positions 13b of the non-rotatable wheels 135, 138 can be assigned a high priority, and the flight paths R1 to R4 to the installation positions 13b of the wheels 135, 138 that can be rotated by steering can be assigned a low priority. In this case, the non-rotatable wheels 135, 138 always face the fore-and-aft direction of the vehicle 13, so the wheel stop drone 1 is not installed far from the wheels 135, 138, and the wheels 135, 138 can be reliably stopped.

[0056] The obstacle sensors 91, 92 include a first obstacle sensor 91 for detecting an obstacle 100 on the flight routes R1 to R4, and a second obstacle sensor 92 for detecting an obstacle 101 at the installation position 13b.

[0057] This allows the first obstacle sensor 91 to be configured to be suitable for detecting obstacles 100 on flight paths R1 to R4, and the second obstacle sensor 92 to be configured to be suitable for detecting obstacles 101 at installation position 13b.

[0058] In addition, each rotor 4 is provided on both sides of the wheel stopper drone 1 and on the rear side of the contact surface 2a.

[0059] This reduces the distance that the rotor 4 protrudes above the upper surface of the wheel stop drone 1, so that the wheel stop drone 1 can be installed in this space even when the vertical distance between the underside of the vehicle body 134 and the aisle is small.

[0060] In addition, the wheel stop drone 1 is equipped with a memory unit 61 for storing the flight path flown by the wheel stop drone 1, and is configured to fly along the flight path stored in the memory unit 61.

[0061] This eliminates the need for an operator such as a driver to operate the wheel stopper drone 1 to fly between the waiting position 13a where the wheel stopper drone 1 waits and the installation position 13b where the wheel stopper drone 1 prevents the vehicle's wheels 135 from rolling, and allows the wheel stopper drone 1 to fly automatically along the flight path. Also, although the waiting position 13a and installation position 13b differ for each vehicle 13, by storing the flight path actually flown by the wheel stopper drone 1, a flight path appropriate for each vehicle 13 can be stored.

[0062] In addition, the vehicle 13 is equipped with a detection unit 132 for detecting the start and stop of the drive unit 130 of the vehicle 13, and a wireless communication unit 133 for transmitting a detection signal from the detection unit 132, and the wheel stop drone 1 is equipped with a wireless communication unit 8 for receiving the detection signal and flies based on the detection signal.

[0063] In addition, the vehicle 13 is equipped with a detection unit 132 for detecting the activation and deactivation of the parking brake unit 131 of the vehicle 13, and a wireless communication unit 133 for transmitting a detection signal from the detection unit 132, and the wheel stop drone 1 is equipped with a wireless communication unit 8 for receiving the detection signal and flies based on the detection signal.

[0064] As a result, when the detection unit 132 detects that the drive unit 130 has stopped or that the parking brake unit 131 has been activated, the wheel stopper drone 1 flies from the standby position 13a to the installation position 13b. Also, when the detection unit 132 detects that the drive unit 130 has started or that the parking brake unit 131 has been released, the wheel stopper drone 1 flies from the installation position 13b to the standby position 13a. As a result, the operator, such as a driver, will not forget to fly the wheel stopper drone 1, and the wheel stopper can be reliably installed and released for the wheel 135.

[0065] The vehicle 13 also has a wheel stop drone 1 and a standby position 13a for waiting for the wheel stop drone 1, and a power supply unit 70 at the standby position 13a for supplying power to the battery 7 of the wheel stop drone 1.

[0066] This allows power to be supplied from the battery 137 of the vehicle 13 to the battery 7 of the wheel stop drone 1 through the power supply unit 70 while the wheel stop drone 1 is waiting at the waiting position 13a. [Explanation of symbols]

[0067] 1. Wheelchair Drone 2 Wheel stopper 2a Contact surface 4 rotor blades 7 Battery 8. Wireless Communication Section 13 vehicles 61 Storage section 70 Power supply unit 13a Standby position 13b Installation position 130 Drive unit 132 Detection unit 133 Radio Communication Department 131 Parking brake section 135 Wheels

Claims

1. a wheel stopper portion having an abutment surface that abuts against a wheel of a vehicle to stop the wheel from rolling; Multiple rotors for flight; a battery for driving the rotor; a memory unit that stores a flight path to an installation position where the wheels stop rolling; a flight control unit for controlling flight along the flight path; an obstacle sensor for detecting an obstacle on the flight path to the installation position; the flight control unit changes the flight path when the obstacle sensor detects the obstacle, the vehicle includes a detection unit for detecting start and stop of a drive unit of the vehicle, and a wireless communication unit for transmitting a detection signal from the detection unit; The wheel stop drone is equipped with a wireless communication unit for receiving the detection signal and flies based on the detection signal. A wheel-stop drone featuring:

2. a wheel stopper portion having an abutment surface that abuts against a wheel of a vehicle to stop the wheel from rolling; Multiple rotors for flight; a battery for driving the rotor; a memory unit that stores a flight path to an installation position where the wheels stop rolling; a flight control unit for controlling flight along the flight path; an obstacle sensor for detecting an obstacle on the flight path to the installation position; the flight control unit changes the flight path when the obstacle sensor detects the obstacle, The vehicle includes a detection unit for detecting operation and release of a parking brake unit of the vehicle, and a wireless communication unit for transmitting a detection signal from the detection unit, The wheel stop drone is equipped with a wireless communication unit for receiving the detection signal and flies based on the detection signal. A wheel-stop drone featuring:

3. When the obstacle is detected on the flight path for which a priority has been set, the flight control unit changes the flight path from the flight path with a high priority to the flight path with a low priority.

3. The wheel stopper drone according to claim 1 or 2.

4. The obstacle sensor includes a first obstacle sensor for detecting the obstacle on the flight path and a second obstacle sensor for detecting the obstacle at the installation position.

3. The wheel stopper drone according to claim 1 or 2.

5. The rotors are provided on both sides of the wheel stop drone and on the rear side of the contact surface.

3. The wheel stopper drone according to claim 1 or 2.

6. The storage unit stores the route flown by the wheel stop drone as the flight route.

3. The wheel stopper drone according to claim 1 or 2.

7. The storage unit is configured to store, as the flight path, a path between a standby position where the wheel stop drone is waiting and the installation position. The wheel chock drone according to claim 6 .

8. The vehicle is A wheel stop drone according to claim 1 or 2; a waiting position for waiting the wheel-chock drone; A power supply unit for supplying power to the battery of the wheel stop drone is provided at the standby position. A vehicle system characterized by:

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