KR102165213B1 - Drone with multi-layer wing structure - Google Patents

Drone with multi-layer wing structure Download PDF

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KR102165213B1
KR102165213B1 KR1020200070685A KR20200070685A KR102165213B1 KR 102165213 B1 KR102165213 B1 KR 102165213B1 KR 1020200070685 A KR1020200070685 A KR 1020200070685A KR 20200070685 A KR20200070685 A KR 20200070685A KR 102165213 B1 KR102165213 B1 KR 102165213B1
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drone
wing
layered
present
rotating blades
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KR1020200070685A
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Korean (ko)
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김정수
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김정수
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/02—Aircraft not otherwise provided for characterised by special use
    • B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • B64C27/10—Helicopters with two or more rotors arranged coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U30/00—Means for producing lift; Empennages; Arrangements thereof
    • B64U30/20—Rotors; Rotor supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/13—Propulsion using external fans or propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • B64C2201/024—
    • B64C2201/108—
    • B64C2201/165—

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)

Abstract

The present invention relates to a drone with a multi-layered wing structure, which is formed in a multi-layered structure of rotational wings, thereby enabling more stable flight and easily transporting a heavy object. To this end, the drone with the multi-layered wing structure has a plurality of rotational wings (11, 21, 31) connected to drone main bodies (10, 20, 30) by wing supports (12, 22, 32) in a radial direction, wherein a plurality of the drone main bodies (10, 20, 30) are formed in a coupling structure stacked on each other so that the rotational wings (11, 21, 31) are provided in the multi-layered structure.

Description

다층형 날개 구조가 구비된 드론{DRONE WITH MULTI-LAYER WING STRUCTURE}Drone with multi-layered wing structure {DRONE WITH MULTI-LAYER WING STRUCTURE}

본 발명은 드론에 관한 것으로서, 더욱 상세하게는 회전날개를 다층형으로 구비하여 비행 안전성을 향상시킴과 함께 무거운 화물의 운반이 용이하게 이루어질 수 있도록 하는 다층형 날개 구조가 구비된 드론에 관한 것이다.The present invention relates to a drone, and more particularly, to a drone with a multi-layered wing structure that improves flight safety by providing a multi-layered rotating blade and facilitates transport of heavy cargo.

드론은 무인항공기(unmaned aerial vehicle; UAV)를 총칭하는 것으로 조종사를 태우지 않고, 공기역학적 힘에 의해 부양하여 자율적으로 또는 원격조종으로 비행을 하며, 무기 또는 일반화물을 실을 수 있는 일회용 또는 재사용할 수 있는 동력 비행체라 알려져 있다.Drone is a generic term for an unmaned aerial vehicle (UAV). It does not carry a pilot, and it is supported by aerodynamic forces to fly autonomously or remotely. It is known as a capable motorized vehicle.

이러한 드론의 종류에는 이륙과 착륙 방식에 따른 분류로 고정익을 갖는 활주 이착륙 비행체(비행기 방식)와 회전익을 갖는 승강 이착륙 비행체(헬리콥터 방식)로 대별된다.These types of drones are classified according to take-off and landing methods, and are roughly classified into a fixed-wing taxiing take-off and landing vehicle (airplane type) and a rotary-wing lift-off and landing vehicle (helicopter type).

기술 발전에 힘입어 드론은 매우 다양하게 개발되고 있으며 군사용에서 저변 확대되어 민수용의 다양한 드론이 실용화되고 있다.Thanks to technological advances, drones are being developed in a wide variety, and as the base has expanded from military use, various drones for civil use are being put into practice.

통상 드론은 원격 조정자에 의해 시계 내에서 취미용도로 확산되고 있으나 근래에는 GPS를 활용하여 이륙 중량이 크지 않은 화물, 서류, 책자 및 구급약품 등 다양한 화물을 원격지에 운반(배달)하는 개념이 실현되고 있다.In general, drones are spreading for hobby purposes within the watch by remote controllers, but in recent years the concept of transporting (delivery) various cargoes such as cargo, documents, booklets, and first aid drugs that have a small take-off weight using GPS has been realized. have.

그러나 종래 드론은 통상 수평면상에 4개의 회전날개가 구성된 구조를 이루고 있기 때문에 무게가 무거운 중량체의 운반에 어려움이 있으며, 화물 운반 과정에서 바람 등과 같은 외부요인에 의해 흔들림이 발생하게 되어 수평 유지에 어려움이 있고, 이로 인해 화물의 안전한 배송을 저해하는 문제점이 있었다.However, since conventional drones usually have a structure consisting of four rotating blades on a horizontal plane, it is difficult to transport heavy weights, and shaking occurs due to external factors such as wind in the process of transporting cargo. There is a difficulty, and this has a problem that hinders the safe delivery of cargo.

대한민국 특허등록 제1755199호(2017.07.03.등록)Republic of Korea Patent Registration No. 1755199 (registered on July 3, 2017) 대한민국 특허등록 제2100437호(2020.04.07.등록)Korean Patent Registration No. 2100437 (registered on April 7, 2020) 대한민국 특허등록 제1965228호(2019.03.28.등록)Korean Patent Registration No. 1965228 (registered on Mar 28, 2019)

본 발명은 상기한 종래 기술에서의 문제점을 개선하기 위해 제안된 것으로서, 드론에 구성되는 회전날개를 다층형태의 적층 구조로 구성시켜서 비행 안전성을 향상시킴과 함께 무거운 중량물의 운반이 용이하게 이루어질 수 있도록 하는데 목적이 있다.The present invention has been proposed to improve the problems in the prior art described above, and by configuring the rotating blades of the drone in a multi-layered stacked structure, it is possible to improve flight safety and facilitate the transport of heavy weights. It has a purpose.

상기 목적을 이루기 위한 본 발명의 기술구성은, 드론 본체에 방사방향으로 다수의 회전날개가 날개 지지대에 의해 연결된 드론에 있어서, 상기 드론 본체는 다수개가 적층된 결합 구조를 이루어서 회전날개가 다층형으로 구비되는 것을 특징으로 한다.The technical configuration of the present invention for achieving the above object is in a drone in which a plurality of rotating blades are connected in a radial direction to a drone body by a wing support, wherein the drone body has a multilayered rotating blade by forming a combined structure in which a plurality of stacked It characterized in that it is provided.

또한, 상기 각층의 회전날개는 상호 바람의 간섭이 방지되도록 각도 또는 날개 지지대의 길이를 달리하여 구비됨을 특징으로 한다.In addition, the rotating blades of each layer are provided with different angles or lengths of the blade supports so as to prevent mutual wind interference.

이러한 본 발명의 드론은, 회전날개의 다층형 구조를 이루게 되어 보다 안정적인 비행이 이루어질 수 있게 됨과 함께 무거운 중량물의 운반이 용이한 효과를 나타낸다.The drone of the present invention has a multi-layered structure of rotating blades so that a more stable flight can be achieved, and a heavy weight object can be easily transported.

특히, 다수의 회전날개가 구비된 상태에서 물건 운반시는 여러개의 회전날개를 사용하고, 귀환시에는 일부 회전날개만 선택적으로 사용토록 하여 연료 소비를 감소시키는 이점을 나타낸다.In particular, it shows the advantage of reducing fuel consumption by using a plurality of rotor blades when transporting a product with a plurality of rotor blades, and selectively using only some rotor blades when returning.

도 1은 본 발명의 일 실시 예에 따른 다층형 드론 측면 구조도.
도 2는 본 발명의 다층형 드론 평면 개략 구조도.
도 3은 본 발명의 다른 실시 예에 따른 드론 측면 구조도.
도 4는 본 발명의 다른 실시 예에 따른 드론 평면 구조도.
도 5는 본 발명의 또 다른 실시 예에 따른 드론 측면 구조도.
도 6은 도 5의 A부 확대도.
도 7은 본 발명의 또 다른 실시 예에서 탈착 스프링 부품 상세도.
도 8은 본 발명의 응용 예에 따른 드론 평면 구조도.1 is a side structure diagram of a multi-layered drone according to an embodiment of the present invention.
Figure 2 is a schematic plan view of a multi-layered drone of the present invention.
3 is a side structural view of a drone according to another embodiment of the present invention.
Figure 4 is a plan view of a drone according to another embodiment of the present invention.
5 is a side structural view of a drone according to another embodiment of the present invention.
6 is an enlarged view of part A of FIG. 5.
7 is a detailed view of a detachable spring part in another embodiment of the present invention.
8 is a plane structural diagram of a drone according to an application example of the present invention.

이하, 본 발명의 구체적인 실시 예를 첨부 도면을 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 실시 예는 여러 가지 형태로 변형될 수 있으며, 본 발명의 범위가 아래에서 상세히 설명하는 실시 예로 한정되는 것으로 해석되어서는 안 된다. 본 실시 예는 당 업계에서 평균적인 지식을 가진 자에게 본 발명을 더욱 완전하게 설명하기 위하여 제공되는 것이다.The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely describe the present invention to those with average knowledge in the art.

따라서, 도면에서 표현한 구성요소의 형상 등은 더욱 명확한 설명을 강조하기 위해서 과장되어 표현될 수 있다. 각 도면에서 동일한 구성은 동일한 참조부호로 도시한 경우가 있음을 유의하여야 한다. 또한, 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 공지 기술의 기능 및 구성에 관한 상세한 설명은 생략될 수 있다.Accordingly, the shape of the constituent elements expressed in the drawings may be exaggerated to emphasize a more clear description. It should be noted that in each drawing, the same configuration may be indicated by the same reference numeral. In addition, detailed descriptions of functions and configurations of known technologies that are determined to unnecessarily obscure the subject matter of the present invention may be omitted.

먼저, 본 발명의 일 실시 예에 따른 다층형 날개 구조가 구비된 드론의 구성을 도 1 및 도 2를 통해 살펴보면 다음과 같다.First, a configuration of a drone having a multi-layered wing structure according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2.

본 실시 예에서의 드론은 드론 본체(10,20,30)에 방사방향으로 다수의 회전날개(11,21,31)가 날개 지지대(12,22,32)에 의해 연결된 구조를 이루되, 상기 드론 본체(10,20,30)는 3개가 적층된 결합 구조를 이루어서 회전날개(11,21,31)가 다층형으로 구비된다.The drone in this embodiment has a structure in which a plurality of rotating blades 11, 21, 31 are connected in a radial direction to the drone body 10, 20, 30 by a wing support 12, 22, 32, The drone main body (10, 20, 30) is formed in a combined structure of three stacked rotation blades (11, 21, 31) are provided in a multi-layered type.

즉, 평면상으로 보았을 때 각각의 드론 본체(10,20,30)는 도 2에서와 같이 상호 각도를 조금씩 달리하여 각층의 회전날개(11,21,31) 상호간에 바람의 간섭이 방지되도록 함이 바람직하다.In other words, when viewed in plan view, each drone body (10, 20, 30) is slightly different from each other as shown in Fig. 2 to prevent the interference of wind between the rotating blades (11, 21, 31) of each floor. This is desirable.

또한, 각각의 회전날개(11,21,31)는 개별 모터(미도시)에 의한 회전동력을 전달받게 된다.In addition, each of the rotor blades (11, 21, 31) receives rotational power by an individual motor (not shown).

도면 중 미설명 부호 15는 다리부이고, 16은 적층되는 드론 본체를 연결하기 위한 연결부재를 각각 나타낸다.In the drawings, reference numeral 15 denotes a leg, and 16 denotes a connecting member for connecting the stacked drone body.

이와 같은 구성을 이루는 본 발명 드론의 동작에 따른 작용효과를 살펴보기로 한다.It will look at the effects of the operation of the drone of the present invention constituting such a configuration.

본 발명의 드론은 원격 컨트롤러의 제어 신호에 의해 비행이 이루어지는 것으로서, 4개, 8개, 12개 단위로 회전날개(11,21,31)의 구동에 의한 추력이 발생되게 된다.The drone of the present invention is made to fly by a control signal from a remote controller, and thrust is generated by driving the rotor blades 11, 21, and 31 in units of 4, 8, and 12 units.

즉, 일정 중량을 갖는 물품의 운반시는 12개의 회전날개(11,21,31)를 모두 사용하여 안정적인 비행이 이루어질 수 있게 된다.That is, when transporting an article having a certain weight, a stable flight can be achieved by using all of the 12 rotating blades 11, 21, and 31.

그리고, 물품 운반 후 귀환시는 4개 또는 8개의 회전날개만을 사용하여 비행이 이루어지도록 하여 연료를 절감시킬 수 있게 된다.And, when returning after transporting the goods, it is possible to save fuel by allowing the flight to be performed using only 4 or 8 rotating blades.

따라서 본 발명의 드론은, 회전날개의 다층형 구조를 이루게 되어 보다 안정적인 비행이 이루어질 수 있게 됨과 함께 무거운 중량물의 운반이 용이한 효과를 나타낸다.Therefore, the drone of the present invention has a multi-layered structure of rotating blades, so that a more stable flight can be achieved, and a heavy weight object can be easily transported.

특히, 비행 상황에 따라 전체 회전날개 중 선택적인 구동이 이루어질 수 있도록 하여 효율적인 연료 소비가 이루어질 수 있는 이점을 나타낸다.In particular, it shows the advantage that efficient fuel consumption can be achieved by allowing selective driving among all the rotor blades according to flight conditions.

한편, 도 3 및 도 4는 본 발명의 다른 실시 예에 따른 구성을 나타낸 것으로서, 적층형 구조를 이루는 드론 본체(10,20,30)는 날개 지지대(12,22,32)의 길이를 다르게 구성하여 회전날개(11,21,31)가 계단식 적층 구조를 이루는 것을 확인할 수 있다.On the other hand, Figures 3 and 4 show the configuration according to another embodiment of the present invention, the drone main body (10, 20, 30) forming a stacked structure is configured to have different lengths of the wing support (12, 22, 32) It can be seen that the rotating blades 11, 21, and 31 form a stepwise stacked structure.

이와 같은 구성을 이루게 되면, 상하 회전날개(11,21,31) 상호간에 간섭 발생이 방지될 수 있게 되어 보다 강한 추력 발생에 따른 안정적인 이착륙이 가능한 이점을 나타낸다.If this configuration is achieved, it is possible to prevent the occurrence of interference between the upper and lower rotor blades 11, 21, and 31, thereby showing the advantage of enabling stable take-off and landing due to the generation of stronger thrust.

또한, 도 5 내지 도 7은 본 발명의 또 다른 실시 예를 나타낸 것으로서, 각층의 날개 지지대(12,22,32)는 탄성스프링(40)에 의한 탄성 지지가 이루어지되, 탄성스프링(40)의 상부와 하부에는 날개 지지대(12,22,32)와 탈착을 위한 탈착고리부(41)가 일체로 연결 구성된다.In addition, Figures 5 to 7 show another embodiment of the present invention, the wing supports 12, 22, 32 of each layer are elastically supported by the elastic spring 40, but the elastic spring 40 The upper and lower wings support (12, 22, 32) and the detachable ring portion 41 for detachment are integrally connected.

또한, 탈착고리부(41)는 날개 지지대(12,22,32)와 탈착이 용이함과 함께 밀착이 이루어질 수 있도록 플랙시블한 고무재질로 이루어지되, 탈착고리부(41) 내부에는 내구성 강화를 위한 형상기억 합금 재질의 보강 와이어(42)가 구성됨이 바람직하다.In addition, the detachable ring part 41 is made of a flexible rubber material so that attachment and detachment can be achieved with ease with the wing supporters 12, 22, 32, but the detachable ring part 41 is inside for enhanced durability. It is preferable that a reinforcing wire 42 made of a shape memory alloy material is formed.

이와 같은 구성을 이루게 되면, 상하로 적층 구조를 이루는 날개 지지대(12,22,32)가 상호 탄성스프링(40)에 의한 탄성 지지가 이루어지게 되어 보다 안정적인 지지상태가 유지됨과 함께 외부 충격 발생시 충격력을 완충시키는 기능을 수행하게 된다.When this configuration is achieved, the wing supports 12, 22, 32 constituting the vertically stacked structure are elastically supported by the mutual elastic springs 40, thereby maintaining a more stable support state and reducing the impact force when an external shock occurs. It performs the function of buffering.

또한, 이러한 탄성스프링(40)은 탈착고리부(41)를 이용하여 필요에 따라 선택적인 장착이 이루어질 수 있게 됨과 함께 교체작업이 용이하게 이루어지는 이점을 나타낸다.In addition, the elastic spring 40 exhibits the advantage of being able to be selectively mounted as necessary by using the detachable ring part 41 and the replacement operation is easily performed.

또한, 탈착고리부(41) 내부에는 형상기억 합금 재질의 보강 와이어(42)가 내재되어 있기 때문에 더욱 안정적인 날개 지지대(12,22,32)와의 결합상태가 유지될 수 있게 된다.In addition, since the reinforcing wire 42 made of a shape memory alloy material is embedded inside the detachable ring part 41, a more stable coupling state with the wing supports 12, 22, and 32 can be maintained.

따라서, 탄성스프링(40) 구성을 부가적으로 활용할 수 있게 되어 드론의 기능성이 강화될 수 있게 됨을 알 수 있다.Therefore, it can be seen that it is possible to additionally utilize the configuration of the elastic spring 40 to enhance the functionality of the drone.

그리고 상기에서 본 발명의 특정한 실시 예가 설명 및 도시되었지만 본 발명의 다층형 드론 구조가 당업자에 의해 다양하게 변형되어 실시될 수 있음은 자명한 일이다. And although specific embodiments of the present invention have been described and illustrated above, it is obvious that the multi-layered drone structure of the present invention can be variously modified and implemented by those skilled in the art.

예를 들면, 상기 실시 예에서는 드론 본체가 3층형태의 적층구조 및 12개의 회전날개가 구비된 형태가 설명 및 도시되었으나, 드론 본체 및 회전날개의 갯수는 필요에 따라 4층 이상으로 적층함과 함께, 16개 이상의 회전날개가 구비될 수 있게 된다.For example, in the above embodiment, the drone body has a three-layered stacked structure and a form in which 12 rotating blades are provided, but the number of the drone body and the rotating blades is stacked in 4 or more layers as needed. Together, 16 or more rotating blades may be provided.

또한, 도 8의 응용 예에서와 같은 평면 형태의 적층 구조로 제작이 이루어질 수도 있게 된다.In addition, the fabrication may be made in a planar laminate structure as in the application example of FIG.

따라서 이와 같은 변형된 실시 예들은 본 발명의 기술적 사상이나 범위로부터 개별적으로 이해되어져서는 안되며, 이와 같은 변형된 실시 예들은 본 발명의 첨부된 특허청구범위 내에 포함된다 해야 할 것이다.Therefore, such modified embodiments should not be individually understood from the technical spirit or scope of the present invention, and such modified embodiments should be included within the appended claims of the present invention.

10,20,30 : 드론 본체 11,21,31 : 회전날개
12,22,32 : 날개 지지대10,20,30: drone body 11,21,31: rotating wing
12,22,32: wing support

Claims (5)

드론 본체(10,20,30)에 방사방향으로 다수의 회전날개(11,21,31)가 날개 지지대(12,22,32)에 의해 연결된 드론에 있어서,
상기 드론 본체(10,20,30)는 다수개가 적층된 결합 구조를 이루어서 회전날개(11,21,31)가 다층형으로 구비되고,
상기 각층의 날개 지지대(12,22,32)는 탄성스프링(40)에 의한 탄성 지지가 이루어지며,
상기 탄성스프링(40)의 상부와 하부에는 날개 지지대(12,22,32)와 탈착을 위한 탈착고리부(41)가 일체로 연결 구성된 것을 특징으로 하는 다층형 날개 구조가 구비된 드론.In the drone body (10, 20, 30) in a radial direction a plurality of rotating blades (11, 21, 31) are connected by a wing support (12, 22, 32),
The drone main body (10, 20, 30) is formed in a combination structure in which a plurality of stacked rotation blades (11, 21, 31) are provided in a multilayer type
The wing supports 12, 22, 32 of each layer are elastically supported by an elastic spring 40,
Drone with a multi-layered wing structure, characterized in that the wing support (12, 22, 32) and a detachable ring part (41) for detachment are integrally connected to the upper and lower parts of the elastic spring (40). 청구항 1에 있어서,
상기 각층의 회전날개(11,21,31)는 상호 바람의 간섭이 방지되도록 각도 또는 날개 지지대(12,22,32)의 길이를 달리하여 구비됨을 특징으로 하는 다층형 날개 구조가 구비된 드론.The method according to claim 1,
Drone with a multi-layered wing structure, characterized in that the rotating blades (11, 21, 31) of each layer are provided at different angles or lengths of the wing supports (12, 22, 32) to prevent mutual wind interference. 삭제delete 삭제delete 청구항 1에 있어서,
상기 탈착고리부(41)는 날개 지지대(12,22,32)와 탈착이 용이함과 함께 밀착이 이루어질 수 있도록 플랙시블한 고무재질로 이루어지되, 탈착고리부(41) 내부에는 내구성 강화를 위한 형상기억 합금 재질의 보강 와이어(42)가 구성된 것을 특징으로 하는 다층형 날개 구조가 구비된 드론.The method according to claim 1,
The detachable ring part 41 is made of a flexible rubber material so that attachment and detachment can be easily achieved with the wing supporters 12, 22, 32, but the detachable ring part 41 has a shape for reinforcing durability. A drone with a multi-layered wing structure, characterized in that a reinforcing wire 42 made of a memory alloy material is configured.
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