KR20200075606A - WInd tunnel testing apparatus for the drone - Google Patents

Abstract

The present invention relates to a wind tunnel testing apparatus for a drone and, more specifically, to a wind tunnel testing apparatus for a drone, comprising: a drone seating unit provided with a set size on a floor surface; a plurality of drone flight detection sensors installed toward an upper side while maintained in a circle at regular intervals on the periphery spaced at a regular distance from the drone seating unit to sense the position of the drone flying at a set height from the floor surface; a plurality of wind power generators installed toward the drone seating unit at a position spaced at a regular distance from the drone flight detection sensors, and setting wind strength through manipulation of a user or a control program installed in a main computer to generate wind; a drone adjuster positioning unit arranged at a position spaced at a regular distance from the drone seating unit so that an adjuster can adjust the drone positioned on the drone seating unit; and the main computer provided with a monitor for receiving a flight position signal of the drone sensed by the drone flight detection sensors to automatically evaluate stability of a drone flight and an adjustment capability of the drone adjuster through a set program. Accordingly, the present invention can make a drone with a high performance.

Description

Drone wind tunnel testing apparatus for the drone

The present invention relates to a drone wind tunnel test apparatus, and more particularly, to a drone wind tunnel test apparatus that allows the drone to safely grasp the flight performance of the drone and cultivate the drone adjustment ability to determine how safe the drone is to fly against external weather changes. It is about.

A drone is a generic term for an unmanned air vehicle that uses a battery power to rotate a propeller provided at a plurality of arm ends to fly unmanned by remote control. Industrial drones for various purposes such as photography and video shooting, pesticide control, unmanned surveillance, transportation of goods, fire suppression, etc., as well as hobby toys are being developed, and the scope of utilizing them is also expanding.

With the development of industrial technology, drone-related industries are gradually expanding as drone utilization fields are greatly increased, and various application fields such as maintenance and maintenance and post-management fields as well as the fields that operate them are gradually increasing.

These drones are sensitive to external weather changes because they fly for a certain period of time in the air to achieve their desired purpose.

Therefore, in order to use the drone for various leisure sports as well as various industrial fields, the flight safety of the drone must be sufficiently verified, and according to the external weather changing in real time, the drone manipulator must also develop sufficient adjustment techniques for safe flight of the drone. do.

In the case of most drones that are currently produced and marketed, the drone's own flight safety and flight performance due to the characteristics of drones that should be used in various environments because the drone itself has to be mainly developed in terms of hardware functions or technical fields. The verification of the situation has not been sufficiently conducted.

When a drone is flying from the outside, the wind has the most external influence.

That is, the drone is provided with a plurality of arms, each arm is provided with a propeller necessary for the flight of the drone, the propeller is not only a factor that directly affects the speed or performance of the drone, but also external weather conditions, In particular, it is preferable to sufficiently reflect the dimensions, shape, and rotational speed of the propellers when designing the drone, because it influences the flight safety of the drone under the influence of wind.

However, no matter how well designed, if it is difficult to fly due to the influence of the external weather, it is desirable to be manufactured to achieve the desired purpose with minimal influence on the external weather condition because it hits the limit of using the drone.

Therefore, in order for the produced drone to exhibit sufficient performance in the actual field, it is desirable to maintain sufficient stability to withstand wind resistance, and the drone adjuster can also safely fly the drone according to external weather conditions. Sufficient coordination skills are required.

Currently, drones manufactured in various forms and functions are on the market, but they are produced, sold, and purchased without experimental equipment or systems to evaluate the flight stability of drones.

Therefore, even if a drone is purchased at a high cost, the possibility of using the drone is determined according to the external weather conditions, so criteria or flight conditions to set the range of drone utilization according to the external weather conditions should be presented. There are no devices or facilities for evaluating the performance of drones depending on the weather conditions, and since these test standards are not provided, the evaluation criteria, facilities, devices, etc. for evaluating the drone's flight stability, considering the drone's industrial ripple Development is in a hurry.

In addition, as the utilization of drones increases, the number of organizations or organizations that issue drone coordination certificates is on the rise, and in order to measure the skill of drone coordinators, they have been tested to meet the requirements of the drone coordination certificate.

However, the drone maneuvering qualification test currently in operation is only undergoing basic theoretical training for drone flight and functional tests necessary for certain drone maneuvering without considering external environmental factors. As the ability of the coordinator to verify whether or not it can be steered has not been verified, it is urgent to develop the standards and equipment necessary to improve the skill of the drone coordinator and to verify the coordination ability.

-Korean Patent Registration No. 10-1547849 (Registration Date: 2015.08.21, Name of the invention: Jig device of wind tunnel test body for wind tunnel test of two-dimensional section model and wind tunnel test device equipped with the same) -Korean Patent Registration No. 10-0550587 (Registration date: 2006.02.02, Name of invention: Supersonic wind tunnel device for education) -Korean Patent Registration No. 10-1628810 (Registration date: 2016.06.02, Name of invention: Learning wind tunnel device)

DETAILED DESCRIPTION OF THE INVENTION The present invention was devised to solve the above-described problems, and drone wind tunnel test apparatus necessary for verification and improvement of drone flight control ability of drone adjusters according to external weather conditions and flight stability test of drones that are increasingly utilized. It is intended to provide a purpose.

In order to achieve the above object, the drone wind tunnel test apparatus according to the present invention includes a drone seating portion provided in a predetermined size on the bottom surface; A plurality of drone flight detection sensors installed to face upward while maintaining a predetermined interval in a circle around a distance separated from the drone seating portion; A plurality of wind generators which are installed toward the drone seating portion at a position spaced apart from the drone flight detection sensor to generate wind through the user's manipulation or a control program installed in the main computer; A drone adjuster position portion provided at a position spaced apart from the drone seating part so that the drone located in the drone seating part can be adjusted by the adjuster; It includes a main computer equipped with a monitor to automatically evaluate the stability of the drone flight and the adjustment capability of the drone manipulator through a set program by receiving the flight position signal of the drone detected by the drone flight detection sensor.

In particular, the drone wind tunnel test apparatus is installed in an evaluation room in which all sides having a space of a certain size are sealed, and an intake port through which outside air is sucked is provided on one side wall of the evaluation room, and an evaluation room on the other wall on the opposite side of the intake port. An exhaust port through which the inside air escapes is provided, and a plurality of distance display units having different diameters are provided in a circular shape around the drone seating portion so as to determine the distance the drone is pushed under the influence of wind.

In addition, the wind generator is configured to be able to adjust the position and direction and the distance between the drone seating part, and determines whether the flying drone is flying within the reference range or out of the reference range on one side of the evaluation room. According to the control of the main computer, a performance evaluation result indicator is provided to indicate whether the pass or fail is lit with light, and is configured to easily determine the flight stability and adjustment ability of the drone.

The drone wind tunnel test apparatus according to the present invention having the above-described configuration makes it possible to easily evaluate the flight stability of a drone manufactured by various standards or functions and to easily determine the drone adjustment ability of the drone manipulator. It not only allows you to provide guidelines for how to build, but also allows you to build drones with higher performance.

In addition, the present invention allows the drone manipulator to determine the flight maneuvering ability when flying a drone sensitive to the external environment, thereby improving the maneuverability of the drone manipulator and using the drone in various environments through the drone manipulator flying ability improvement Make it possible to increase the utilization range.

1 is a schematic diagram of the overall configuration of a drone wind tunnel test apparatus according to an embodiment of the present invention,
2 is a main configuration and functional block diagram of a main computer in a drone wind tunnel test apparatus according to an embodiment of the present invention.

The drone wind tunnel test apparatus according to the present invention determines whether the drone is deviated from the upper part of the position where the drone first took off by applying wind power while the drone floats on the upper surface where the uniform bottom surface is maintained, and whether the drone is flying in place. It is configured to judge the flight stability of the aircraft and also to determine the drone's ability to adjust.

To this end, in the present invention, a drone seating part is configured at a position maintaining a uniform bottom surface, and a drone flight detection sensor for monitoring a drone flight in a circle around the drone seating part is installed at regular intervals, and a drone flight detection sensor By deploying a wind generator that generates wind at a position spaced apart from the drone seating part to the outside where the drone is installed, determine how stable the posture is at a specified height while the wind is blowing, and detect the drone detected by the drone flight sensor The location of is configured to evaluate the drone's flight stability according to the location detected by the drone flight detection sensor through the program transmitted to the main computer and to evaluate the drone's maneuverability.

Hereinafter, specific embodiments of the drone wind tunnel test apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall schematic diagram of a drone wind tunnel test apparatus 100 according to an embodiment of the present invention, and FIG. 2 is a main configuration and function of the main computer 50 in the drone wind tunnel test apparatus 100 according to an embodiment of the present invention. A block diagram showing is shown.

As shown in FIG. 1, the drone wind tunnel test apparatus 100 according to the present invention is provided with a drone seating portion 10 in which a drone is positioned in a uniform size on a uniform bottom surface.

The drone seating portion 10 is displayed in a circular shape of a certain size according to the type and size of the drone to be evaluated so that the drone is located in the center.

In addition, a plurality of drone flight detection sensors 20 are installed so as to be directed upward while being arranged in a circle at a position spaced apart a certain distance around the drone seating portion 10 and facing upwards. It is configured to detect a drone flying out of the initial takeoff position when a drone flying in place from the top is pushed to either side by the wind.

The drone flight detection sensor 20 is installed in a vertical direction with respect to the floor surface toward the upper surface of the floor to detect that the drone moves in the horizontal direction during flight, and a detection area within a certain distance from the floor surface is set to mount the drone. (10) When the drone taking off to the top moves in the horizontal direction, the drone movement is sensed.

The drone flight sensor 20 is preferably used as an ultrasonic sensor that is generally used as a distance sensor, in addition to various distance sensors may be applied.

The plurality of drone flight detection sensors 20 installed in a circular shape to have a constant diameter can adjust the installation interval and diameter according to the size of the drone, but preferably, the installation distance between each sensor is maintained at least 50 cm. It is desirable to do.

In addition, a plurality of wind generators 30 that blow a certain amount of wind toward the flying drone is installed at a position spaced apart from the drone flight detection sensor 20 by a predetermined distance.

The wind power generator 30 is configured to adjust the air volume intensity through a user's manipulation or a control program installed in a main computer, which will be described later, or is configured to generate a certain amount of wind in a certain time according to a control command of the program.

In particular, the wind generator 30 is composed of one or more, and is configured to generate wind from the same direction toward the drone, as well as changing its installation position, if necessary, to change the direction in which the wind fits.

The wind generator 30 composed of one or more may be configured such that a plurality of wind generators are simultaneously operated according to test conditions to generate wind or sequentially generate wind through sequential motion.

In addition, the detection signals of the drones detected by the plurality of drone flight detection sensors 20 installed on the bottom surface are transmitted to the main computer 50 installed at one side, and the main computer 50 is set by the program. It is configured to determine the direction in which the drone is moved by grasping the signal detected by the drone flight detection sensor 20 and then displaying the current drone's flight position and movement distance on the monitor 58.

In addition, the drone adjuster position 40, which is located in the drone adjuster for adjusting the drone so that the drone can fly in place above the drone seat 10, is provided at a position spaced apart from the drone seat 10 do.

On the other hand, the drone wind tunnel test apparatus 100 is preferably provided inside a certain space and is preferably built inside the evaluation room 60 to keep the space blocked from the outside to enable precise experiment of the drone flight, the drone seating unit 10 ) To take off from the drone seating part (10) around the drone seating part (10) so that the drone flying in place can easily determine with a naked eye how far it is out of place by wind blowing from the wind generator (30). A plurality of distance display units 15 having concentric circles spaced apart from each other by a certain distance are displayed or installed in a circular shape on the bottom surface to have a constant diameter.

The distance display unit 15 in which a plurality is displayed or installed on the bottom surface is preferably configured such that the distance between the inner and outer diameters is set to 1M so that the flying drones can be easily determined with the naked eye.

In addition, on one side of the evaluation room 60, the performance evaluation result display unit 65 is displayed to indicate whether the position of the drone has been changed through the wind tunnel experiment of the drone through the main computer 50 and to indicate whether it is suitable or not. It is provided, the side wall of the evaluation room 60 is provided with an intake port 62 through which external air flows, and an exhaust port 62 is provided on the other side wall surface of the intake port 62 to generate wind from the wind generator 30. It is configured to be able to escape outside.

In addition, the wind generator 30 installed inside the evaluation room 60 is installed so as to face the exhaust port 64 from the intake port 62 side, and the outside air introduced through the intake port 62 from the outside is a wind generator ( It is supplied to 30) is installed so that it can be naturally discharged to the outside through the upper side of the drone seating portion 10 through the other side of the exhaust port (64).

The performance evaluation result display unit 65 installed inside the evaluation room 60 is formed in the form of a warning light that lights up, and after a wind tunnel test in the flying state of the drone, the red light flashes when the drone is out of the reference area and fails. When the drone is determined to fly in the upper area of the drone seating area through the wind tunnel test, the green light blinks to indicate the passing status, so that the drone adjuster and related participants can see the results of the drone's flight performance test and adjustment test. It is structured to be able to grasp immediately.

The performance evaluation result display unit 65 may be configured to output a drone flight stability and adjustment test results as sound by using an acoustic transmission means in addition to the structure of a warning light in which light is lit.

2 shows a block diagram of the main configuration and functions of the main computer 50 described above.

As shown in FIG. 2, the main computer 50 is electrically connected to a plurality of drone flight detection sensors 20, including a central control unit 51 that controls each part through control of a set program and is located at different locations. A drone detection sensor signal receiving unit 52 for real-time reception of the position information of the drones detected by the plurality of installed drone flight detection sensors 20 is provided, and the drone detection signal is used to detect and monitor the position of the drone 58 ) Is provided with a drone position determining unit 53 to display the changed position of the drone.

In addition, the main computer 50 includes a drone information input unit 54 for inputting drone information for evaluating whether the drone is suitable for flight stability, and a drone information storage unit 55 for storing the input drone information. ) Is provided.

In addition, a drone flight suit determination unit 56 for determining whether or not stability of a drone flight or adjustment ability is appropriate is provided based on the flight position information of the drone identified by the drone position determination unit 53, The result of determining whether or not the drone flight is judged by the drone flight determination unit 56 is output to the outside through the performance evaluation result display unit 65 and the monitor 58 installed at one side of the evaluation room via the central control unit 51. It is composed.

In addition, the main computer 50 may be additionally configured with a wind generator control unit 59 so as to remotely control the wind generator 30 that generates wind, and the administrator can control the wind of the drone during flight wind tunnel experiments. The intensity can be easily adjusted according to a set program or a set mode to be configured to evaluate the drone's flight performance test and the drone's ability to adjust under various conditions.

10: drone seating portion 15: distance display
20: drone flight sensor 30: wind generator
40: drone adjuster position part 50: main computer
51: central control unit 52: drone detection sensor signal receiving unit
53: drone position determination unit 54: drone information input unit
55: drone information storage unit 56: drone flight judging unit
58: monitor 59: wind power generation control unit
60: evaluation room 62: intake
64: exhaust port 65: performance evaluation results display
100: drone wind tunnel test device

Claims (3)

A drone seating portion provided at a predetermined size on the bottom surface;
A plurality of drone flight detection sensors installed to face upward while being kept at a predetermined interval in a circle around a certain distance from the drone seating portion;
A plurality of wind generators which are installed toward the drone seating portion at a position spaced apart from the drone flight detection sensor and generate wind through a user's manipulation or a control program installed on the main computer;
A drone adjuster position portion provided at a position spaced apart from the drone seating portion so that the drone located in the drone seating portion can be adjusted by the adjuster;
A drone characterized in that it comprises; a main computer equipped with a monitor to automatically evaluate the stability of the drone flight and the adjustment capability of the drone manipulator through a set program by receiving the flight position signal of the drone detected by the drone flight detection sensor. Wind tunnel test equipment. According to claim 1,
The drone wind tunnel test apparatus is installed in an evaluation room in which all sides having a space of a certain size are closed, and an intake port through which external air is sucked is provided on one side wall of the evaluation room, and an inside of the evaluation room on the other wall on the opposite side of the intake port. An exhaust port through which air escapes is provided,
A drone wind tunnel test apparatus is provided in the vicinity of the drone seating portion, in which a plurality of distance indicators having different diameters are provided in a circular shape so as to grasp the distance the drone is pushed under the influence of wind. According to claim 2,
The wind generator is configured to be able to adjust the position and direction and the drone seating portion and distance,
On one side of the evaluation room, a performance evaluation result display unit is provided for passing or failing under the control of the main computer to determine whether the flying drone is flying within the reference range or flying outside the reference range. Drone wind tunnel experiment device, characterized in that.

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