WO2022220345A1 - Drone préfabriqué à nombre et longueur de bras variables - Google Patents

Drone préfabriqué à nombre et longueur de bras variables Download PDF

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Publication number
WO2022220345A1
WO2022220345A1 PCT/KR2021/012638 KR2021012638W WO2022220345A1 WO 2022220345 A1 WO2022220345 A1 WO 2022220345A1 KR 2021012638 W KR2021012638 W KR 2021012638W WO 2022220345 A1 WO2022220345 A1 WO 2022220345A1
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WO
WIPO (PCT)
Prior art keywords
drone
arm
arms
coupled
length
Prior art date
Application number
PCT/KR2021/012638
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English (en)
Korean (ko)
Inventor
서광석
김기범
이병수
김지선
Original Assignee
서광석
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 서광석 filed Critical 서광석
Publication of WO2022220345A1 publication Critical patent/WO2022220345A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B64U10/16—Flying platforms with five or more distinct rotor axes, e.g. octocopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00—Constructional aspects of UAVs
    • B64U20/70—Constructional aspects of the UAV body

Definitions

  • the present invention relates to a prefabricated drone in which the number and length of arms can be changed, and more particularly, to a prefabricated drone that allows a user to actively assemble the drone by changing the number of arms coupled to the drone.
  • a drone is a generic term for an unmanned aerial vehicle (UAV) in the shape of an airplane or helicopter that can be flown and controlled by radio wave guidance without a pilot.
  • UAV unmanned aerial vehicle
  • Drones are also deployed and operated in areas inaccessible to humans, such as jungles, remote areas, volcanic areas, natural disaster areas, and nuclear power plant accident areas.
  • drones for transportation purposes.
  • they were classified into target drones, reconnaissance drones, and surveillance drones, but now more subdivided classification is possible depending on the purpose of use. And it is being used in various fields, such as spraying pesticides or measuring the condition of the air.
  • spraying pesticides or measuring the condition of the air.
  • the field of use of drones is expected to expand further.
  • the present invention is to solve the problems of the prior art as described above, and an object of the present invention is to provide a prefabricated drone in which the number and length of the arms can be changed.
  • a prefabricated drone in which the number and length of arms can be changed according to the present invention for achieving the above object includes a drone body having a plurality of arm coupling sets; and a plurality of arms each having a rotor and a propeller, and coupled to the set of the plurality of arm coupling parts, wherein the plurality of arm coupling parts are spaced apart from each other by a predetermined distance along the rim of the drone body. and the plurality of arms may be variably coupled to the set of the arm coupling parts in length.
  • the set of the plurality of arm coupling parts is provided in a state in which a plurality of arm coupling parts are spaced apart by a predetermined interval along the inner direction of the drone body, and the plurality of arms are overlapped and coupled to the plurality of arm coupling parts
  • the length of the plurality of arms may be variably coupled to the arm coupling portion depending on the position to be formed.
  • the drone body may be formed in a circular shape on a plane, and the set of the plurality of arm coupling parts may be formed radially along the rim of the drone body.
  • a maximum of 24 sets of the plurality of arm coupling units may be formed radially from the center of the drone body.
  • the plurality of arm coupling portions may be formed to be spaced apart from each other at an angle of 15 degrees.
  • the drone body is provided with an upper body and a lower body, the upper body and the lower body are each formed with the plurality of sets of arm coupling parts, the upper body and the lower body each have the length of the plurality of arms. may be variably coupled.
  • a rotor fixing unit for connecting and fixing the rotor of the upper arm coupled to the upper body and the rotor of the lower arm coupled to the lower body may be provided.
  • the drone body is provided with an upper body and a lower body, and at least one arm fixing part is provided between the upper body and the lower body to be coupled to the upper body and the lower body, and the arm is the upper body and the lower body. It is inserted into the top, and the arm fixing unit may fix the arm to assemble the drone body and the arm.
  • the prefabricated drone in which the number and length of arms can be changed according to the present invention has the following effects.
  • the drone can be assembled according to the user's purpose.
  • the prefabricated drone in which the number and length of arms can be changed according to the present invention can be assembled by changing the number of arms in the drone body.
  • an arm is a part on which a rotor and a propeller are mounted, and the number of arms provided in the drone is a factor directly related to the flying ability of the drone. Therefore, the large number of arms of the drone means that the drone has excellent flight ability, so it can be used for special missions or tasks, such as lifting heavy objects or taking pictures with heavy shooting equipment.
  • the drone can be assembled with a variety of numbers of arms. Since the prefabricated drone in which the number and length of the arms can be changed according to the present invention can be assembled by changing the length of the arm coupled to the drone body for assembly, the number of arms as well as general quadcopters and hexacopters ranges from 8 to 24 It has the advantage of being able to assemble the arm in a wide range of numbers.
  • FIG. 1 is a perspective view of a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 2 is a plan view of a drone body in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 3 is a view exemplarily showing that the length adjustment coupling part is formed on the arm in the prefabricated drone in which the number and length of the arms can be changed according to an embodiment of the present invention.
  • FIG. 4 is a view schematically showing the coupling of the arm coupling part and the length adjustment coupling part in the prefabricated drone in which the number and length of the arms can be changed according to an embodiment of the present invention.
  • FIG. 5 is a diagram schematically illustrating coupling to a drone body by changing the number of arms in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 6 is a diagram schematically illustrating coupling to the drone body by varying the length of the arm in the prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 7 is a side view schematically showing that the upper arm is coupled to the upper body and the lower arm is coupled to the lower body in the prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 8 is a view showing that an upper body and a lower body are fixed to one arm in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention, and a rotor and a propeller are vertically provided on one arm. .
  • FIG. 9 is a view showing the structure and operation of an arm fixing unit for wrapping and fixing a circular pipe in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 10 is a diagram schematically illustrating a drone in variously assembled forms based on a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 11 is a diagram schematically illustrating a drone of variously assembled types based on a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • FIG. 1 is a perspective view of a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • a prefabricated drone in which the number and length of arms can be changed may include a drone body 10 and an arm.
  • the drone body 10 has a configuration in which a control unit for driving the drone, a pedestal, an arm 20, and the like are combined.
  • the drone body 10 may be provided in a polygonal or circular shape, including a square, a pentagon, etc. having a predetermined thickness. Most preferably, it may be provided in the form of a circular plate.
  • a plurality of sets of arm coupling parts 100 are formed along the edges of the drone body 10 .
  • the arm coupling unit set 100 is a configuration in which the arm 20 of the drone is coupled, and the plurality of arm coupling unit sets 100 are spaced apart from each other at a predetermined distance along the rim of the drone body 10, respectively. It may be formed radially from the center of In addition, a plurality of female coupling units 101 are gathered to form one set of female coupling units 100 , and the female coupling units 101 may be formed with holes having a predetermined size.
  • the arm 20 is coupled to the rotor 200 and the propeller 210 to support the rotor 200 and the propeller 210 in the form of a rod or a long rectangular plate.
  • the arm 20 may be in the form of a cylindrical or rectangular pipe.
  • a plurality of such arms 20 may be coupled to the drone body 10 .
  • the plurality of arms 20 may be coupled to the drone body 10 by screwing, etc. in a state overlapping with the arm coupling part set 100 formed radially on the edge of the drone body 10 .
  • the plurality of arms 20 have length adjustment coupling portions 220 formed along the longitudinal direction opposite to the position of the rotor 200 .
  • the length adjustment coupling part 220 may be formed of a hole having the same size and spacing as the arm coupling part 101 . Therefore, the length at which the arm 20 is coupled to the drone body 10 may be variable depending on the position where the length adjustment coupling part 220 is overlapped and coupled to the arm coupling part 101 . In the present invention, according to the number of arms 20 coupled to the drone body 10, the user can assemble it in various ways, such as a quadcopter having four propellers 210 or a hexacopter having six propellers.
  • the drone body 10 is additionally assembled on the top of the drone body 10, so that various parts related to the drone such as a control unit of the drone and a display can be assembled.
  • FIG. 2 is a plan view of a drone body in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • the drone body 10 may be most preferably formed of a circular plate.
  • a plurality of sets of arm coupling parts 100 may be radially formed on the surface of the drone body 10 along the rim of the drone body 10 .
  • the plurality of arm coupler sets 100 may be formed to be spaced apart at an angle of 15 degrees between adjacent arm coupler sets 100 . Therefore, when the drone body 10 is viewed in a plan view, the arm coupling unit 101 may be formed, for example, at intervals of 15 degrees, up to a total of 24.
  • One arm coupling unit set 100 may be provided with a plurality of arm coupling units 101 at regular intervals in the center direction of the drone body 10 .
  • the arm coupling unit 101 may be coupled to the length adjustment coupling unit 220 of the arm to couple the arm to the drone body 10 .
  • each arm coupling part 101 may be formed with a predetermined distance from each other adjacent arm coupling parts 101 .
  • this gap may be variously formed within a range of a minimum of 5 mm to a maximum of 10 mm.
  • the number of female coupling parts 101 in one set of female coupling parts 100 may be formed from a minimum of 5 sets to a maximum of 8 depending on implementation.
  • 3 is a view exemplarily showing that the length adjustment coupling portion is formed on the surface of the arm in the prefabricated drone in which the number and length of the arms can be changed according to an embodiment of the present invention.
  • the arm 20 may be formed in the form of a rod or a long rectangular plate.
  • the arm 20 may be in the form of a cylindrical or rectangular pipe.
  • a plurality of length adjustment coupling portions 220 may be formed on the opposite side of the arm 20 to which the rotor 200 is coupled.
  • the length adjustment coupling part 220 may be formed to have the same size and spacing as the arm coupling part 101 .
  • the length adjustment coupling unit 220 may be formed up to eight depending on the implementation.
  • FIG. 4 is a view schematically showing the coupling of the arm coupling part and the length adjustment coupling part in the prefabricated drone in which the number and length of the arms can be changed according to an embodiment of the present invention.
  • the arm 20 may be coupled to the drone body 10 by coupling the arm coupling unit 101 and the length adjustment coupling unit 220 to each other.
  • the arm 20 is positioned on the drone body 10 so that the arm coupling part 101 and the length adjustment coupling part 220 overlap, and the overlapping arm coupling part 101 and the length control coupling part 220 are overlapped. ) is fixed by screwing or fitting by means of a fitting member, the coupling of the drone body 10 and the arm 20 is completed.
  • the arm coupling unit 101 and the length adjustment coupling unit 220 are not screwed together or screwed together to the overlapped portion. , it is possible to perform a plurality of screwing or fitting. Accordingly, the arm 20 and the drone body 10 may be coupled.
  • FIG. 5 is a diagram schematically illustrating coupling to a drone body by changing the number of arms in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • the prefabricated drone in which the number and length of arms can be changed includes a plurality of arms 20 in a set of a plurality of arm coupling parts 100 formed in the drone body 10 . It can be assembled by changing the number to be combined.
  • the drone body 10 and the arm 20 may be assembled as a quadcopter.
  • Each arm 20 may be coupled only to the set 100 . Accordingly, the drone body 10 and the arm 20 may be assembled as a hexacopter.
  • the number of arms 20 coupled to the drone body 10 can be coupled to a maximum of 24 because 24 arm coupling unit sets 100 formed on the drone body 10 are formed.
  • the user can assemble by changing the number of arms coupled to the drone body 10, it can be assembled by changing the number of arms in the drone body 10 in various ways according to the purpose of using the drone.
  • FIG. 6 is a diagram schematically illustrating coupling to the drone body by varying the length of the arm in the prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • the arm 20 may be assembled by adjusting the length to be coupled when coupled to the arm coupling unit 101 . That is, the length of the arm 20 coupled to the drone body 10 can be varied and assembled by selectively coupling the length adjustment coupling part 220 among the arm coupling parts 101 formed in the arm coupling part set 100 . there will be
  • the first arm coupling part 102 is formed in a position close to the edge of the drone body 10 in the arm coupling part set 100
  • the second arm coupling part 103 is the drone in the arm coupling part set 100 . It is formed in a position close to the central portion of the body (10).
  • the length adjustment coupling part 220 when the end of the length adjustment coupling part 220 is overlapped and coupled to the first arm coupling part 102 , the length of the arm 20 from the drone body 10 is coupled in a long form, and the length adjustment coupling part When the end of 220 is overlapped with the second arm coupling part 103 and coupled, the length of the arm 20 from the drone body 10 is short.
  • the length of the arm 20 protruding to the outside from the drone body 10 becomes shorter as the length adjustment coupling unit 220 is coupled with the arm coupling unit 101 formed deeply in the center direction of the drone body 10 .
  • the propeller 210 coupled to the arm 20 is positioned close to the drone body 10 .
  • the length adjustment coupling unit 220 is coupled with the arm coupling unit 101 formed away from the center direction of the drone body 10, the length of the arm 20 protruding from the drone body 10 to the outside increases, The propeller 210 coupled to the arm 20 is positioned away from the drone body 10 .
  • the number of arms 20 coupled to the drone body 10 can be changed according to the purpose of use of the drone. At this time, the size of the drone body 10 is limited, and if the length of the arm 20 coupled to the drone body 10 is constant, the number of arms 20 coupled to the drone body 10 may increase. A situation in which the adjacent arms 20 overlap each other in the rotation radius of the propeller 210 may occur.
  • a plurality of The arm 20 may be variably assembled.
  • the size or length of the pedestal or landing gear (hereinafter referred to as the pedestal) provided in the lower portion of the drone body 10 may be adjusted.
  • the pedestal should have a size or length corresponding to the length of the arm 20 of the drone. If the length of the arm 20 is long but the pedestal is small or short, the landing of the drone may be very unstable because it cannot properly support the load of the arm 20 . Therefore, in the present invention, as the length of the arm 20 is changed, the size or length of the pedestal can also be variably changed.
  • the drone body 10 is provided in the upper and lower portions, and the plurality of arms 20 are coupled thereto.
  • FIG. 7 is a side view schematically showing that the upper arm is coupled to the upper body and the lower arm is coupled to the lower body in the prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • the drone body 10 may be provided with an upper body 110 and a lower body 120 .
  • the upper body 110 and the lower body 120 may be coupled to and fixed to the body fixing unit 130 .
  • the body fixing part 130 may be fixed by being coupled to the lower body 120 at the lower end and the upper body 110 at the upper end in the central portion of the upper body 110 and the lower body 120 .
  • the upper body 110 and the lower body 120 may be assembled by coupling each arm. That is, the upper body 110 and the lower body 120 may each be provided with an arm coupling part 101 , and accordingly, the upper arm 230 is coupled to the arm coupling part 101 of the upper body 110 . and the lower arm 240 may be coupled to the arm-joining portion of the lower body 120 .
  • the upper arm 230 and the lower arm 240 may be coupled to the upper body 110 and the lower body 120 by changing the number of arms, and also the upper body 110 and the lower body. It may be coupled to the body 120 by changing the length.
  • the rotor fixing part ( 250) may be additionally provided.
  • the rotor fixing unit 250 may extend from the lower end of the upper arm 230 to the upper end of the lower arm 240 , thereby stably supporting the rotation of the rotor 200 .
  • FIG. 8 is a view showing that an upper body and a lower body are fixed to one arm in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention, and a rotor and a propeller are vertically provided on one arm.
  • FIG. 9 is a view showing the structure and operation of an arm fixing unit for wrapping and fixing a circular pipe in a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention.
  • the arm fixing unit 140 is coupled between the upper body 110 and the lower body 120 .
  • the upper body 110 and the lower body 120 may be coupled.
  • the arm fixing unit 140 may be provided between the upper body 110 and the lower body 120 by the maximum number of arms 20 that can be assembled.
  • coupling the arm 20 between the upper body 110 and the lower body 120 may utilize the arm fixing unit 140 . That is, the arm fixing unit 140 is initially spaced up and down around the center as shown in FIG. 9 , but by tightening the screws provided at the top and bottom of the arm fixing unit 140, the spaced top and bottom moves to the center. can Accordingly, after the arm 20 is inserted into the middle portion of the arm fixing unit 140 provided between the upper body 110 and the lower body 120, the upper end of the arm fixing unit 140 and the By tightening the screw at the bottom, the middle portion of the arm fixing unit 140 firmly fixes the arm 20 , so that the arm 20 can be coupled between the upper body 110 and the lower body 120 .
  • the arm fixing unit 140 is illustrated as being provided on the edge of the upper body 110 and the lower body 120 in FIG. 8 , the center of the upper body 110 and the lower body 120 according to implementation. The portion may be additionally provided. Accordingly, the arm 20 can be firmly fixed at the center portion and the edge portion of the upper body 110 and the lower body 120 .
  • the two rotors 200 and the propeller 210 may be coupled to the upper and lower ends of the arm 20 formed of a circular pipe.
  • the two rotors 200 and the propeller 210 may be coupled to one arm 20 .
  • the upper and lower rotor fixing units 250 may be coupled to the arm 20 formed of a circular pipe, respectively.
  • the rotor fixing unit 250 is provided in the same shape as the arm fixing unit 140 , and by tightening screws provided at the upper and lower ends, the upper and lower parts spaced apart from each other move to the center and can be fixed to the end of the arm 20 .
  • Two rotor fixing parts 250 are fixed to the end of the arm 20 at a predetermined distance apart, and two rotor fixing parts 250 have two rotors 200 and a lower end of the arm 20 respectively.
  • the propeller 210 may be coupled. Accordingly, the two rotors 200 and the propeller 210 may be coupled to one arm 20 .
  • FIG. 10 is a view schematically showing a drone in variously assembled forms based on a prefabricated drone in which the number and length of arms can be changed according to an embodiment of the present invention
  • FIG. 11 is the number of arms according to an embodiment of the present invention and a view schematically showing a drone of variously assembled types based on a prefabricated drone with a changeable length.
  • the prefabricated drone in which the number and length of arms according to the present invention can be changed can be assembled in various ways as well as the assembly form shown in FIG. 5 above.
  • the drone body 10 and the arm 20 according to the present invention may be assembled in a cross-shaped Quad plus form or an X-shaped Quad X form by utilizing four arms 20 .
  • each one of the rotor 200 and the propeller 210 may be assembled in the form of Hexa Coax X further added.
  • the four arms 20 may be assembled in a short combined Octo square X form or Octo square plus form, and the two arms 20 may be assembled in an overlapping Octo colinear plus form or Octo colinear X form, 4
  • the four upper arms 230 and the four lower arms 240 may be assembled in the form of Octo coax plus or Octo coax X in which the upper body 110 and the lower body 120 are respectively assembled.
  • the prefabricated drone according to the present invention can be used according to the purpose of the user by assembling the drone body 10 and the arm 20 in various shapes.

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  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Toys (AREA)

Abstract

La présente invention concerne un drone préfabriqué ayant un nombre et une longueur de bras variables, le drone comprenant : un corps de drone doté d'une pluralité de parties d'accouplement de bras de telle sorte qu'une pluralité de bras soient reçus à l'intérieur et accouplés à celles-ci ; et une pluralité de bras comprenant chacun un rotor et une hélice, la pluralité de bras étant logés dans la pluralité de parties d'accouplement de bras et accouplés au corps de drone. La pluralité de parties d'accouplement de bras sont espacées l'une de l'autre à une distance prédéterminée le long de la surface latérale du corps de drone et sont chacune formées en tant qu'espace prédéterminé. Lorsque les bras sont logés dans et accouplés aux parties d'accouplement de bras, la longueur de la pluralité de bras peut être variable.
PCT/KR2021/012638 2021-04-15 2021-09-15 Drone préfabriqué à nombre et longueur de bras variables WO2022220345A1 (fr)

Applications Claiming Priority (2)

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KR10-2021-0049026 2021-04-15
KR1020210049026A KR102339175B1 (ko) 2021-04-15 2021-04-15 암의 개수 및 길이가 변경 가능한 조립식 드론

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KR20240139709A (ko) * 2023-03-15 2024-09-24 한국전기연구원 드론 구동 모듈

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