KR101687014B1 - System and method for non-contact charging of unmanned air vehicle - Google Patents

System and method for non-contact charging of unmanned air vehicle Download PDF

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Publication number
KR101687014B1
KR101687014B1 KR1020150057969A KR20150057969A KR101687014B1 KR 101687014 B1 KR101687014 B1 KR 101687014B1 KR 1020150057969 A KR1020150057969 A KR 1020150057969A KR 20150057969 A KR20150057969 A KR 20150057969A KR 101687014 B1 KR101687014 B1 KR 101687014B1
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KR
South Korea
Prior art keywords
unmanned aerial
aerial vehicle
battery
charging station
coil
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KR1020150057969A
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Korean (ko)
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KR20160126650A (en
Inventor
김동영
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주식회사 에스원
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Publication of KR20160126650A publication Critical patent/KR20160126650A/en
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    • H02J7/025—
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H02J17/00—
    • B64C2201/066—

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The non-contact charging system of the unmanned aerial vehicle includes a battery mounted on the unmanned aerial vehicle for supplying electric power, at least one receiving coil connected to the battery, and at least one transmitting coil for wirelessly transmitting AC power using the receiving coil and resonance And a charging station for transmitting AC power to the transmission coil, the charging station including a base board including at least one transmission coil, and an outer frame having a side portion and an upper surface portion for protecting the base board, And the upper surface portion forms a groove portion corresponding to the position of the at least one transmission coil.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a system and method for charging a non-

The present invention relates to a non-contact charging system and method for an unmanned aerial vehicle.

Today, video surveillance systems using cameras are used in various fields such as transportation, transportation, theft and fire. Video surveillance system is divided into indoor and outdoor environment. Since most cameras installed in the outdoor environment are fixed in position and height, there are limitations in acquiring effective image information due to the smooth acquisition of image information of the moving objects and the environmental factors of the feature information.

In order to overcome these problems, research and development of a technology to overcome limitations of position and height and to shoot a desired area by installing a camera on an unmanned aerial vehicle (UAV) .

The unmanned aerial vehicle consumes a lot of power to shoot images while flying at high speed. Generally, the unmanned aerial vehicle is powered by the built-in battery, and the battery must be charged or replaced when the battery is low. In this case, the manager instructs the landing of the unmanned air vehicle in flight to charge or replace the battery of the unmanned air vehicle, which is inefficient and inconvenient.

Korea Patent Publication No. 2013-0122715 (November 31, 2013) Korean Patent No. 1470364 (Dec. 2, 2014) Korea Patent Publication No. 2011-0001869 (2011.01.06)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a non-contact charging system and method of an unmanned aerial vehicle in which an unmanned aerial vehicle can autonomously charge a battery.

According to an embodiment of the present invention, a non-contact charging system of an unmanned aerial vehicle is provided. The non-contact charging system of the unmanned aerial vehicle includes a battery mounted on the unmanned aerial vehicle to supply electric power, at least one receiving coil connected to the battery, and at least one And a charging station for transmitting the AC power to the transmission coil, wherein the charging station includes a base board including the at least one transmission coil, and a side surface for protecting the base board, And an upper surface portion of the outer frame forms a groove portion corresponding to a position of the at least one transmission coil.

The groove portion may have a narrower groove diameter as it approaches the corresponding transmission coil from the upper surface portion.

The groove may be an inverted cone or an inverted polygonal cone.

The charging station may further include an inverter for converting direct current power into the alternating current power, and at least one capacitor connected between the inverter and the at least one transmission coil.

Wherein the at least one receiving coil is located at one end of each of the at least one leg and connected to the battery through an inner wire of the at least one leg, .

The charging station may be mounted on the roof of a vehicle or a building.

According to another embodiment of the present invention, a non-contact charging method of an unmanned aerial vehicle is provided. A method for non-contact charging of an unmanned aerial vehicle, comprising the steps of: autonomously landing at a charging station, and receiving three-phase alternating current power from the charging station via resonance between the three transmitting coils of the charging station and the three receiving coils of the unmanned air vehicle Wherein the charging station includes a base board including the three transmission coils, and an outer frame having a side surface for protecting the base board and an upper surface portion, The groove is formed so that three legs of the unmanned aerial vehicle are respectively inserted corresponding to the positions of the three transmission coils.

The landing step may include comparing the remaining power of the battery with a threshold value, searching the charging station for landing based on the position information of the unmanned air vehicle when the remaining power of the battery is smaller than the threshold value, And autonomously landing at a charging station.

According to the embodiments of the present invention, since the unmanned aerial vehicle can be autonomously charged, the long term mission can be efficiently performed. In addition, efficient operation of unmanned aerial vehicles is possible, and new unmanned aerial vehicles can be created with efficient UAV services.

1 is a diagram illustrating a non-contact charging system of an unmanned aerial vehicle according to an embodiment of the present invention.
2 is a view showing an example of an unmanned aerial vehicle according to an embodiment of the present invention.
3 is a diagram illustrating an example of a charging station according to an embodiment of the present invention.
4 is a view showing an example of the shape of the groove portion shown in FIG.
FIG. 5 is a view showing an autonomous charging state of an unmanned aerial vehicle according to an embodiment of the present invention.
6 is a flowchart illustrating an autonomous charging method of an unmanned aerial vehicle according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification and claims, when a section is referred to as "including " an element, it is understood that it does not exclude other elements, but may include other elements, unless specifically stated otherwise.

Now, a non-contact charging system and method of an unmanned aerial vehicle according to an embodiment of the present invention will be described in detail with reference to the drawings.

1 is a diagram illustrating a non-contact charging system of an unmanned aerial vehicle according to an embodiment of the present invention.

Referring to FIG. 1, the non-contact charging system 100 of the unmanned aerial vehicle includes a charging station 110, a receiving unit 120, and a battery 130.

The charging station 110 is installed on the roof of the vehicle or on the roof of the building.

The receiving unit 120 and the battery 130 are mounted on an unmanned aerial vehicle (200 of FIG. 2).

The charging station 110 includes an inverter 112 and a transmitting unit 114 and the transmitting unit 114 includes a capacitor Cx and a transmitting coil Tx. One terminal of the capacitor Cx is connected to the output terminal of the inverter 112 and the other terminal of the capacitor Cx is connected to the transmission coil Tx.

The transmission coil Tx and the reception coil Rx may be formed of ferrite (not shown), which is a magnetic medium, respectively.

The receiving unit 120 includes a receiving coil Rx. The receiving coil Rx is connected to the battery 130. [

The inverter 112 may be a three-phase inverter, which converts a direct current source into a three-phase alternating current power source and outputs it through a three-phase output terminal. In this case, the transmitting unit 114 includes three capacitors Cx connected to the three-phase output terminals of the inverter 112 and three transmitting coils Tx connected to the three capacitors Cx, respectively .

The transmission coil Tx generates self resonance at a specific resonance frequency and wirelessly transmits AC power. The transmitting coil Tx stores the AC power by causing a self resonance at a resonance frequency and stores the AC power when the receiving coil Rx of the receiving unit 120 resonates at the same resonance frequency as the transmitting coil Tx And transmits the AC power to the receiving coil Rx of the receiving unit 120.

The receiving coil Rx generates magnetic resonance at the same resonance frequency as the transmitting coil Tx and receives AC power from the transmitting coil Tx and transfers it to the battery 130. [

The battery 130 is charged from AC power delivered from the receiving coil Rx.

2 is a view showing an example of an unmanned aerial vehicle according to an embodiment of the present invention.

2, the unmanned aerial vehicle 200 includes a body 210 and a landing gear 220 used for landing, and the landing gear 220 includes three legs 222 , 224, 226).

The body 210 includes a battery (not shown) for supplying electric power to the unmanned aerial vehicle 200.

The legs 222, 224 and 226 are formed in the shape of an empty pipe and the receiving coil Rx may be positioned at an end of the legs 222, 224 and 226 on the inner space. The receiving coil Rx of the legs 222, 224 and 226 may be connected to the battery 130 through a wire (not shown) located along the inner space of the legs 222, 224 and 226. The three reception coils Rx receive the three-phase AC power and transmit the three-phase AC power to the battery 130 through the electric wire, thereby charging the battery 130. [

FIG. 3 is a view showing an example of a filling station according to an embodiment of the present invention, and FIG. 4 is a view showing an example of the shape of the groove shown in FIG. In FIG. 3, the inverter 112 and the capacitor Cx are not shown.

3, the charging station 110 includes a base board 111 including three transmission coils Tx electrically connected to the three-phase output terminals of the inverter 112, And an outer frame 113 which is formed on the outer frame 113.

The outer frame 113 includes a side surface surrounding a side surface of the base board 111 at a predetermined height and a top surface portion formed at a predetermined distance from the base board 111 in a vertical direction. The predetermined height may be determined according to the length of the legs 222, 224, and 226.

 The upper surface of the outer frame 113 is formed with grooves 113a, 113b and 113c corresponding to the positions of the three transmission coils Tx so as to be able to approach the three transmission coils Tx formed on the base board 111 .

The grooves 113a, 113b and 113c have a size capable of accommodating the legs 222, 224 and 226 of the unmanned air vehicle 200 and can be formed so that the groove diameter becomes narrower toward the transmission coil Tx have. The bottom surfaces of the grooves 113a, 113b and 113c are closed so that the three transmission coils Tx formed on the base board 111 are not exposed to the outside. For example, the grooves 113a, 113b, and 113c may have an inverted conical shape.

At this time, a through hole may be formed on the lower surfaces of the grooves 113a, 113b, and 113c to allow the rain to be discharged to the outside of the filling station 110 in preparation for rainfall.

Alternatively, as shown in FIG. 4, the trenches 113a, 113b, and 113c may be formed with an inverted polygonal cone structure such as a polygonal pyramid. When the leg portions 222, 224 and 226 of the unmanned flying body 200 are connected to the grooves 113a, 113b and 113c of the charging station 110, Landing can be attempted by riding on the corner, so that the landing error of the unmanned aerial vehicle 200 can be reduced.

The unmanned air vehicle 200 searches for the charging station 110 at the optimum position based on the location information of the charging station 110 and the current location information of the unmanned airplane 200 based on the remaining power of the battery 130, Phase AC power is wirelessly received from the charging station 110 through the grooves 113a, 113b and 113c to charge the battery 130. [

In this way, the unmanned aerial vehicle 200 can autonomously land on the charging station 110 based on the remaining power of the battery 130, supply power wirelessly, and charge the battery 130.

FIG. 5 is a view showing an autonomous charging state of an unmanned aerial vehicle according to an embodiment of the present invention.

As shown in Fig. 5, the charging station 110 may be mounted on the roof of a vehicle, for example. In this case, the inverter 112 of the charging station 110 is connected to the in-vehicle power source.

The unmanned aerial vehicle 200 determines an autonomous landing based on the remaining power of the battery 130 and temporarily autonomously lands on the charging station 110 mounted on the roof of the vehicle. At this time, the unmanned aerial vehicle 200 is landed so that the three legs 222, 224, and 226 of the unmanned aerial vehicle 200 enter the grooves 113a, 113b, and 113c formed in the charging station 110, respectively. The three transmitting coils Tx formed on the base board 111 of the charging station 110 and the three receiving coils Rx formed on the three legs 222, 224 and 226 of the unmanned air vehicle 200 The three-phase alternating-current power of the charging station 110 is transmitted to the three receiving coils Rx through the resonance so that the battery 130 is charged.

6 is a flowchart illustrating an autonomous charging method of an unmanned aerial vehicle according to an embodiment of the present invention.

Referring to FIG. 6, the unmanned aerial vehicle 200 sets a monitoring route (S610), and autonomously takes off (S620).

The unmanned object 200 captures an image while flying along a monitoring path (S630), and wirelessly transmits the captured image to a remote server (S640).

When the remaining power of the battery 130 is less than the threshold value in step S650, the unmanned aerial vehicle 200 moves the charging station 110 to land on the basis of the current position of the unmanned object 200 and the stored location information of the charging station 110 110) (S660).

The unmanned aerial vehicle 200 autonomously lands on the searched charging station 110 in step S670 and receives power from the charging station 110 wirelessly to charge the battery 130 in step S680.

When the charging of the battery 130 is completed, the unmanned air vehicle 200 will take off autonomously and fly along the monitoring path.

The embodiments of the present invention are not limited to the above-described apparatuses and / or methods, but may be implemented through a program for realizing functions corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded, Such an embodiment can be readily implemented by those skilled in the art from the description of the embodiments described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (10)

In the solid state charging system of the unmanned aerial vehicle,
A battery mounted on the unmanned aerial vehicle for supplying electric power,
At least one receiving coil connected to the battery, and
And at least one transmitting coil for wirelessly transmitting AC power to the receiving coil using the receiving coil and the resonance,
/ RTI >
The charging station
A base board including the at least one transmission coil, and
And an outer frame having a side surface and an upper surface portion for protecting the base board,
Wherein the upper surface of the outer frame forms a groove corresponding to a position of the at least one transmission coil so that at least one leg of the unmanned air vehicle used for landing the unmanned air vehicle can enter, Solid - state charging system for unmanned aerial vehicles with through - holes. The method of claim 1,
Wherein the groove portion has a smaller groove diameter in the upper surface portion as the transmission coil is closer to the transmission coil. The method of claim 1,
Wherein the groove is an inverted cone or an inverted polygonal cone. The method of claim 1,
The charging station
An inverter for converting the DC power into the AC power, and
Further comprising: at least one capacitor coupled between the inverter and the at least one transmission coil. The method of claim 1,
The unmanned aerial vehicle includes at least one leg portion used for landing and having an empty interior,
Wherein the at least one receiving coil is located at one end of each of the at least one leg and is connected to the battery through an internal wire. The method of claim 1,
Wherein the charging station is mounted on a roof of a vehicle or a building. delete delete delete delete
KR1020150057969A 2015-04-24 2015-04-24 System and method for non-contact charging of unmanned air vehicle KR101687014B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190087910A (en) 2018-01-17 2019-07-25 주식회사 에스원 Drone recharging system and dron station with the same
KR20230098380A (en) 2021-12-23 2023-07-04 재단법인 경북아이티융합 산업기술원 Drone station with a function to align drones
KR20230138587A (en) 2022-03-23 2023-10-05 (주)애니우드 Drone unmanned charging system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101895935B1 (en) * 2016-11-04 2018-09-07 주식회사 웨이브쓰리디 Automatic charging system for unmanned aerial vehicle
KR20180116849A (en) * 2017-04-18 2018-10-26 주식회사 창성에프티 Fixed wing drone using variable pitch propeller
WO2020085519A1 (en) * 2018-10-22 2020-04-30 삼성전기 주식회사 Vehicle having data communication and power transmission functions relating to unmanned aerial vehicle, and signal transmission or reception method of vehicle
JP7076366B2 (en) * 2018-12-25 2022-05-27 トッパン・フォームズ株式会社 RFID reading system
CN110445055A (en) * 2019-09-09 2019-11-12 燕山大学 A kind of power transmission line unmanned cruising inspection system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182624A (en) * 2010-02-08 2011-09-15 Showa Aircraft Ind Co Ltd Transmitter for power-supply instruction
KR101489641B1 (en) * 2013-09-17 2015-02-04 한국항공우주연구원 Automatic recharger for small UAV

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4840478B2 (en) 2009-06-29 2011-12-21 株式会社ダイフク Power supply equipment
KR101116831B1 (en) * 2009-08-27 2012-03-05 (주)아모스텍 Intelligent Unmaned and Small-Sized Flying Body Robot Steering System
KR101427351B1 (en) * 2012-12-17 2014-08-07 한국항공우주연구원 Quad rotor type flight vehicle
KR101524936B1 (en) 2013-10-21 2015-06-10 한국항공우주연구원 A Charging and Containing Vehicle for Unmanned VTOL Aircraft and the Methods
KR101470364B1 (en) 2014-03-24 2014-12-12 (주)대만 Wireless charging device of the robot cleaner and controlling method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011182624A (en) * 2010-02-08 2011-09-15 Showa Aircraft Ind Co Ltd Transmitter for power-supply instruction
KR101489641B1 (en) * 2013-09-17 2015-02-04 한국항공우주연구원 Automatic recharger for small UAV

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190087910A (en) 2018-01-17 2019-07-25 주식회사 에스원 Drone recharging system and dron station with the same
KR20230098380A (en) 2021-12-23 2023-07-04 재단법인 경북아이티융합 산업기술원 Drone station with a function to align drones
KR20230138587A (en) 2022-03-23 2023-10-05 (주)애니우드 Drone unmanned charging system

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