KR20230108469A - Ground controlled drone system - Google Patents

Abstract

A ground control type drone system according to one embodiment of the present invention comprises: a drone unit which can fly; a ground support unit which supports service required for the operation of the drone unit including an electricity supply function which enables electricity supply with respect to the drone unit on the ground, and a communication transmission function which enables communication with the drone unit; a cable unit which allows the ground support unit and the drone unit to be mutually connected to enable the electricity supply function; and an adapter unit which is arranged at the upper end of the cable unit for the connection between the cable unit and the drone unit to be coupled to the drone unit. Therefore, when the adapter unit and the drone unit are separated, a parachute is unfolded from the adapter unit. According to the ground control type drone system of the present invention, electricity may be supplied to the drone by means of the control system on the ground, thereby increasing the operation time of the drone.

Description

Ground Controlled Drone System {GROUND CONTROLLED DRONE SYSTEM}

The present invention relates to a ground-controlled drone system, and more particularly, a drone and a ground control system are directly connected by wire to control a drone, and in a certain situation, the drone and a ground control system are separated while the drone's activity range is increased. It is about a ground-controlled drone system that can be scaled up.

Recently, drones are equipped with state-of-the-art equipment such as remote sensing devices and satellite control devices, and are put into places that are difficult for people to access or dangerous areas to collect information, perform special missions, or perform hobbies or camera images. It is used in various fields, and these drones are being developed in various models, from large aircraft to ultra-small aircraft, depending on the purpose of use.

In particular, drones are small air vehicles, and their utilization in wartime situations is increasing, and various methods of directly putting them into the battlefield are being proposed. Currently, drones are widely used for reconnaissance, but there is a problem in that the efficiency of reconnaissance work is reduced due to the short flight time.

KR 10-1962389 B1

The present invention is intended to solve the above problems, and secures the operation time of the drone by connecting the drone and the ground control system by wire, and at the same time enables the separation between the drone and the ground control system, thereby reducing the reconnaissance range of the drone in an emergency situation. allows to expand

A ground controlled drone system according to an embodiment of the present invention includes a drone unit capable of flight, a power supply function enabling power supply to the drone unit on the ground, and communication transmission enabling communication with the drone unit. For a ground support unit that supports services necessary for the operation of the drone unit including functions, a cable unit that connects the ground support unit and the drone unit to each other to enable the power supply function, and a connection between the cable unit and the drone unit An adapter part disposed on an upper end of the cable part and coupled to the drone part, and when the adapter part and the drone part are separated, a parachute is deployed from the adapter part.

In the ground controlled drone system according to an embodiment of the present invention, the drone unit includes a main body serving as a body of the drone unit, a lower structure coupled to the lower part of the main body, and equipped with a searchlight function and a speaker function, and the It is directly fastened to the lower structure and may include a fastening member formed in a recessed form in the lower part of the main body.

In the ground controlled drone system according to an embodiment of the present invention, the adapter unit may be coupled to the lower structure.

In the ground control type drone system according to an embodiment of the present invention, the fastening member includes a fixing plate fixed to the main body, a support plate supporting the lower structure, and a first damper for canceling vibration between the fixing plate and the support plate. The main body may include a balancing device for maintaining the balance of the drone part, which is disposed in the upward direction of the fastening member and inside the main body and receives an impact according to the left and right movement of the lower structure.

In the ground control type drone system according to an embodiment of the present invention, the adapter part has a thickness greater than a case surrounding an upper end of the cable part, a circular inner bearing that directly contacts the cable part inside the case, and a circular inner bearing. A circular outer bearing formed small and surrounding the circular inner bearing and fixed to the case, a plurality of second damper parts formed between the circular inner bearing and the case to suppress the movement of the circular inner bearing, and at the top of the adapter part and a parachute cover that opens when the adapter part and the drone part are separated from each other, where the parachute is disposed, so that the parachute is unfolded.

The ground control type drone system according to the present invention can supply power to the drone through the ground control system, thereby improving the operation time of the drone.

In addition, in case the drone is separated from the ground controlled drone system of the present invention, structural stability of the cable unit can be secured by adopting a structure that assists the free fall of the cable unit connecting the drone and the ground support unit.

In addition, the stability of the drone flight can be secured by minimizing the impact applied to the drone due to the connection between the drone and the ground support unit.

1 and 2 are conceptual diagrams of a ground controlled drone system according to an embodiment of the present invention;
3 is a front view of a drone unit of a ground controlled drone system according to an embodiment of the present invention;
4 is a conceptual diagram of a balancing device for a ground controlled drone system according to an embodiment of the present invention; and
5 is a cross-sectional view of an adapter unit of a ground controlled drone system according to an embodiment of the present invention.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. It should be understood that the present invention is not limited to specific embodiments, and includes various modifications, equivalents, and/or alternatives of the embodiments of the present invention. In connection with the description of the drawings, like reference numerals may be used for like elements.

In this document, expressions such as "has", "may have", "includes", or "may include" refer to the presence of a corresponding feature (eg, numerical value, function, operation, or component such as a part). , which does not preclude the existence of additional features.

In this document, expressions such as "A or B", "at least one of A and/and B", or "one or more of A or/and B" may include all possible combinations of the items listed together. . For example, "A or B", "at least one of A and B", or "at least one of A or B" includes (1) at least one A, (2) at least one B, Or (3) may refer to all cases including at least one A and at least one B.

The expression "configured to" as used in this document means, depending on the circumstances, e.g. "Suitable for", "Having the capacity to" ", "Designed to", "Adapted to", "Made to", or "Capable of" may be used interchangeably. The term "configured (or set) to" does not necessarily mean "specifically designed to."

Terms used in this document are only used to describe a specific embodiment, and may not be intended to limit the scope of other embodiments. Singular expressions may include plural expressions unless the context clearly dictates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the technical field described in this document. Among the terms used in this document, the terms defined in general dictionaries may be interpreted as having the same or similar meaning to the meaning in the context of the related art, and unless explicitly defined in this document, in an ideal or excessively formal meaning. not interpreted In some cases, even terms defined in this document cannot be interpreted to exclude the embodiments of this document.

The embodiments disclosed in this document are presented for explanation and understanding of the disclosed technical content, and do not limit the scope of the present invention. Therefore, the scope of this document should be construed to include all changes or various other embodiments based on the technical idea of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail. Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, since the configurations of the embodiments described in this specification are only some of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, various equivalents and modifications that can replace them at the time of this application It should be understood that there may be

Throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated.

Objects, specific advantages and novel features of the invention described herein will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings. In adding reference numerals to components of each drawing in this specification, it should be noted that the same components have the same numbers as much as possible even if they are displayed on different drawings. In addition, terms such as "one side", "other side", "first", and "second" are used to distinguish one component from another, and the components are not limited by the above terms. no. Hereinafter, in describing the present invention, detailed descriptions of related known technologies that may unnecessarily obscure the subject matter of the present invention will be omitted.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings, and like reference numerals denote like members.

Hereinafter, a drone 1 tracking a target according to the present invention will be described with reference to the drawings.

1 and 2 are conceptual diagrams of a ground control type system 1 according to an embodiment of the present invention.

The ground control system 1 according to an embodiment of the present invention includes a drone unit 100 capable of flight, a power supply function enabling power supply to the drone unit 100 on the ground, and the drone unit 100 ) The ground support unit 200 supporting services necessary for the operation of the drone unit 100 including a communication transmission function enabling communication with the drone unit 100 by connecting the ground support unit 200 and the drone unit 100 to each other , The cable unit 300 enabling the power supply function and the cable unit 300 are disposed on top of the cable unit 300 for connection between the drone unit 100 and the drone unit 100 and It includes an adapter unit 400 that is coupled, and when the adapter unit 400 and the drone unit 100 are separated, the parachute 410 is deployed from the adapter unit 400.

The ground control system 1 according to an embodiment of the present invention includes a drone unit 100, a ground support unit 200, a cable unit 300, and an adapter unit 400.

The drone unit 100 refers to an air vehicle that flies freely in the sky, and has functions such as a radio, a searchlight, a speaker, EO/IR (electro-optical infrared equipment), and TMMR (Tactical Multiband Multirole Radio). can

The ground support unit 200 serves to support the drone unit 100 on the ground, and may include GCS (mobile drone control system), an auxiliary power source, a power supply device, a recording device, and the like. That is, the ground support unit 200 provides services necessary for the operation of the drone unit 100, such as a control role of the drone unit 100, a communication transmission function with the drone unit 100, and a power supply function to the drone unit 100. , serves to support the drone unit 100.

The cable unit 300 serves to connect the ground support unit 200 and the drone unit 100 by wire, and thus the drone unit 100 receives power supply from the ground support unit 200 through the cable unit 300. can It is natural that a communication function or other functions can be supported to the drone unit 100 through the cable unit 300 .

The adapter unit 400 is disposed on top of the cable unit 300 for connection between the cable unit 300 and the drone unit 100. A parachute 410 is provided at the upper end of the adapter unit 400. When the adapter unit 400 and the drone unit 100 are separated from each other, the parachute is unfolded from the adapter unit 400, and the adapter unit 400 and the cable It allows the unit 300 to come down safely to the ground.

In the ground controlled drone system 1 according to an embodiment of the present invention, the drone unit 100 is coupled to the main body 110 serving as a body of the drone unit 100 and to the lower part of the main body 110. and a lower structure 120 equipped with a searchlight function and a speaker function and a fastening member 130 that is directly fastened to the lower structure 120 and formed in a recessed form at the lower part of the main body 110 can include

The drone unit 100 of the ground controlled drone system 1 according to an embodiment of the present invention may include a main body 110, a lower structure 120, and a fastening member 130.

The body 110 is the center of the body of the drone unit 1, and a propeller providing flight propulsion to the drone unit 100 is formed on the body 110. In addition, various sensors and processors are disposed in the main body 110 . That is, the main body 110 may include a sensor unit, a GPS unit, a communication unit, a power supply unit, a driving unit, and the like.

The lower structure 120 extends downward from the main body 110 . A leg part, a clamp part, a support structure, and the like may be formed in the lower structure 120 . The leg portion extends downward from the main body 110 . The leg part is formed of four legs, and serves to protect the main body 110 and separate the main body 110 from the ground when the drone 1 lands on the ground. The clamp part is formed by being coupled to the leg part. The clamp portion is formed on each of the four legs to form four clamps. The clamp of the clamp unit is formed in a shape surrounding the leg of the leg unit, and includes a supporting structure in which the clamp unit protrudes in a direction facing each other. The clamp part may be formed to be spaced apart from the body 110 at a point 1/4 of the length of the leg of the leg part. Therefore, when the drone unit 100 is in flight, it is designed so that air can pass up and down based on the plate formed in the clamp unit, thereby increasing flight stability of the drone unit 100. The support structure is formed to support the plate portion. The plate part is disposed in the shooting area surrounded by the four legs of the leg part, and is formed to secure a structure for coupling the target designator part to the drone part 100. The target designator serves as a guide to the target on the ground and is coupled to the substructure. The instructional activities of the target directing unit are to direct the target by emitting light toward the target, to inform the location of the target in the vicinity of the target by emitting sound toward the target, and to photograph the target and send it to the control center to locate the target. It can be a role to inform. In addition, a speaker or the like may be included in the target designator.

The fastening member 130 is formed in a recessed shape at the bottom of the main body 110 and serves as a link between the lower structure 120 and the main body 110 by being coupled with the lower structure 120 .

The adapter unit 400 of the ground controlled drone system 1 according to an embodiment of the present invention may be coupled to the lower structure 120 . Accordingly, the force according to resistance in the air received by the cable unit 300 can be transmitted to the lower structure 120, and accordingly, the impact force transmitted from the lower structure 120 must be offset by the fastening member 130 to the drone unit. The stability of the running of (100) is improved.

In the ground controlled drone system 1 according to an embodiment of the present disclosure, the fastening member 130 includes a fixing plate 131 fixed to the main body 110 and a support plate 132 supporting the lower structure 120. ) And a first damper part 133 for canceling vibration between the fixing plate 131 and the support plate 132, and the main body 110 is the upward direction of the fastening member 130 and the main body ( 110) It may include a balance maintenance device 111 disposed inside to maintain the balance of the drone unit 100 receiving impact according to the left and right movement of the lower structure 120.

3 and 4 show the fastening member 130 and the balancing device 111 of the ground controlled drone system 1 according to an embodiment of the present invention.

The fastening member 130 of the ground controlled drone system 1 according to an embodiment of the present invention may include a fixing plate 131, a support plate 132, and a first damper part 133.

The fixing plate 131 is fixed to the body 110, and the support plate 132 supports the lower structure 120. At this time, a first damper unit 133 is formed between the fixed plate 131 and the support plate 132, and the first damper unit 133 cancels the impact transmitted from the lower structure 120 while damping the support plate 132 play a role

The main body 110 may include a balance maintenance device 111 . Maintaining the balance of the drone part 100 by canceling the impact applied to the lower structure 120 by the movement of the cable part 300 according to the air resistance inside the main body 110 while upward of the fastening member 130 A balance maintenance device 111 may be further included.

In the drone 1 tracking a target according to an embodiment of the present invention, the balance maintaining device 111 includes an arrangement space 111a formed in the longitudinal direction of the drone unit 100 and the arrangement space 111a. ) In the lower structure 120 may include a moving portion (111b) moving in the opposite direction receiving the acceleration force.

Inside the main body 110 of the present invention, a balance maintenance device 111 may be included. The balance maintenance device 111 is a component for preventing the lower structure 120 from impairing flight stability due to the moving force of the cable unit 300. The cable part 300 inevitably receives force due to air resistance, and in particular, there are many situations in which the altitude difference between the drone part 100 and the ground support part 111 is quite large, so that the cable part 300 receives Air resistance also increases. Therefore, if the force due to the air resistance received by the cable unit 300 is applied to the left with reference to FIG. 4 and the lower structure 120 receives the force to move to the left, the moving unit 111b in the placement space 111a By moving to the right, the acceleration force received by the lower structure 120 is offset. In addition, when the lower structure 120 moves to the left and then stops, since the acceleration force is generated to the right, the moving part 111b, which has moved to the left, returns to its original position, canceling the acceleration force received by the lower structure 120. let it As shown in FIG. 4, the placement space 111a is formed in the longitudinal direction of the front and back of the drone unit 100.

The adapter unit 400 of the ground control system 1 according to an embodiment of the present invention includes a case 420 surrounding the upper end of the cable unit 300, and the cable unit 300 inside the case 420. A circular inner bearing 430 in direct contact with the circular inner bearing 430, formed smaller in thickness than the circular inner bearing 430, surrounding the circular inner bearing 430 and fixed to the case 420. A circular outer bearing 440, A plurality of second damper parts 450 formed between the circular inner bearing 430 and the case 420 to suppress the motion of the circular inner bearing 430 and the uppermost part of the adapter part 400, , The parachute 410 is disposed, and may include a parachute cover part 460 that opens when the adapter part 400 and the drone part 100 are separated from each other so that the parachute 410 is unfolded. there is.

5, the adapter unit 400 of the present invention includes a parachute 410, a case 420, a circular inner bearing 430, a circular outer bearing 440, a second damper unit 450, and a parachute cover ( 460) may be included.

The parachute 410 is formed to unfold from the adapter part 400 so that the adapter part 400 and the cable part 300 can safely descend to the ground when the adapter part 400 is separated from the drone part 100.

The case 420 serves to protect internal structures of the adapter unit 400 while surrounding the upper end of the cable unit 300 .

The circular inner bearing 430 surrounds the cable unit 300 inside the case 420 and is fixed to the cable unit 300 . The circular outer bearing 440 surrounds the circular inner bearing 430. At this time, the circular inner bearing 430 can move along the spherical path of the outer circular bearing 440, thereby moving the cable part 300. It can move along the spherical path of the circular inner bearing 420 according to. At this time, the thickness of the circular inner bearing 430 is greater than that of the circular outer bearing 440 .

The second damper unit 450 is formed between the circular inner bearing 430 and the circular outer bearing 440 to suppress movement of the circular inner bearing 430 . 5, since the thickness of the circular inner bearing 430 is greater than the thickness of the circular outer bearing 440, the second damper unit 450 can be coupled to the portion of the circular inner bearing 430 protruding upward and downward. There is.

The parachute cover 460 is formed at the top of the adapter 400 and serves to protect the parachute 410 . When the adapter part 400 and the drone part 100 are separated from each other, the parachute cover part 460 is opened and the parachute 410 is unfolded.

In the ground control type drone system 1 according to an embodiment of the present invention, the diameter (R) of the circular inner bearing 430 is 1.5 to 2 times larger than the diameter (r) of the cable part 300. can When the diameter of the circular inner bearing 430 compared to the diameter of the cable unit 300 is less than 1.5 times, the radius of the circular inner bearing 430 is too small, resulting in movement of the cable unit 300 within the case 420. Since it is too small, the function of suppressing the movement of the circular inner bearing 430 of the second damper unit 450 is not exhibited. In addition, when the diameter of the circular inner bearing 430 is more than twice the diameter of the cable unit 300, the radius of the circular inner bearing 430 becomes too large, causing Since the movement of the second damper unit 450 exceeds the movement of the circular inner bearing 430 that can be digested.

In the ground controlled drone system 1 according to an embodiment of the present invention, it is formed at a position where the second damper part 450 is formed in the circular inner bearing 430, so that the second damper part 450 It further includes a plurality of protrusions 431 coupled with, and the protrusions 431 may act as jaws for the circular outer bearing 440 to limit the rotation range of the circular inner bearing 430.

In the ground control type drone system 1 according to an embodiment of the present invention, the thickness (d) of the circular outer bearing 440 is formed to be 0.75 to 0.8 times the diameter (R) of the circular inner bearing 430. And, the distance D vertically spaced between the plurality of protrusions 431 may be formed to be 0.85 to 0.9 times the diameter R of the circular inner bearing 430 .

When the thickness of the circular outer bearing 440 is less than 0.75 times the diameter of the circular inner bearing 430, since the size of the circular inner bearing 430 is relatively larger than that of the circular outer bearing 440, the cable unit 300 ) The movement of the circular inner bearing 430 due to the movement also increases, exceeding the limit of the movement that the second damper unit 450 can withstand. In addition, when the thickness of the circular outer bearing 440 to the diameter of the circular inner bearing 430 exceeds 0.8 times, the size of the circular inner bearing 430 is relatively smaller than that of the circular outer bearing 440. , the movement of the circular inner bearing 430 due to the movement of the cable unit 300 becomes very small, so that the function of suppressing the movement of the circular inner bearing 430 of the second damper unit 450 is not exhibited.

When the vertical distance among the plurality of protrusions 431 is less than 0.85 times the diameter of the circular inner bearing 430, the range in which the circular inner bearing 430 can move is greatly limited by the protrusion 431. The function of suppressing the movement of the circular inner bearing 430 of the second damper unit 450 is not exhibited. In addition, when the distance vertically spaced among the plurality of protrusions 431 exceeds 0.9 times the diameter of the circular inner bearing 430, the range in which the circular inner bearing 430 can move increases and the second damper unit ( 450), the damper function of the second damper unit 450 cannot be exerted because it exceeds the range of motion of the circular inner bearing 430 that can be digested.

Although the present invention has been described in detail through specific examples, this is for explaining the present invention in detail, the present invention is not limited thereto, and within the technical spirit of the present invention, by those skilled in the art It will be clear that the modification or improvement is possible.

Simple variations or modifications of the present invention all fall within the scope of the present invention, and the specific protection scope of the present invention will be clarified by the appended claims.

1: Ground controlled drone system
100: drone part
110: body
111: balance maintenance device
120: lower structure
130: fastening member
131: fixed plate
132: support plate
133: first damper unit
200: ground support
300: cable part
400: adapter part
410: Parachute
420: case
430: circular inner bearing
431: protrusion
440: circular outer bearing
450: second damper unit
460: parachute cover

Claims (5)

A drone unit capable of flying;
a ground support unit supporting services necessary for the operation of the drone unit, including a power supply function enabling power supply to the drone unit on the ground and a communication transmission function enabling communication with the drone unit;
a cable unit connecting the ground support unit and the drone unit to enable the power supply function; and
An adapter unit disposed on an upper end of the cable unit and coupled to the drone unit for connection between the cable unit and the drone unit;
When the adapter unit and the drone unit are separated, a parachute is deployed from the adapter unit. The method of claim 1,
The drone unit,
a body serving as a body of the drone unit;
a lower structure coupled to the lower part of the main body and equipped with a search light function and a speaker function; and
A ground-controlled drone system comprising: a fastening member directly fastened to the lower structure and formed in a recessed shape in the lower part of the main body. The method of claim 2,
Wherein the adapter unit is coupled to the lower structure. The fastening member,
a fixing plate fixed to the main body;
a support plate supporting the lower structure; and
A first damper unit for canceling vibration between the fixing plate and the support plate; includes,
the body,
A ground-controlled drone system comprising a balance maintenance device disposed in an upward direction of the fastening member and disposed inside the main body to maintain a balance of the drone part receiving an impact according to the left and right movement of the lower structure. The method of claim 2,
The adapter part,
a case surrounding an upper end of the cable unit;
a circular inner bearing directly contacting the cable part inside the case;
a circular outer bearing having a thickness smaller than that of the circular inner bearing and surrounding the circular inner bearing and fixed to the case;
a plurality of second damper parts formed between the circular inner bearing and the case to suppress movement of the circular inner bearing; and
A parachute cover formed at the top of the adapter unit and having the parachute disposed thereon to be opened when the adapter unit and the drone unit are separated from each other to unfold the parachute;