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WO2018174597A1 - Système de transmission d'énergie sans fil hybride et système de transmission d'énergie sans fil destiné à un dispositif volant sans pilote comprenant ledit système - Google Patents

Système de transmission d'énergie sans fil hybride et système de transmission d'énergie sans fil destiné à un dispositif volant sans pilote comprenant ledit système Download PDF

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Publication number
WO2018174597A1
WO2018174597A1 PCT/KR2018/003362 KR2018003362W WO2018174597A1 WO 2018174597 A1 WO2018174597 A1 WO 2018174597A1 KR 2018003362 W KR2018003362 W KR 2018003362W WO 2018174597 A1 WO2018174597 A1 WO 2018174597A1
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WO
WIPO (PCT)
Prior art keywords
wireless power
power transmission
antenna
module
transmission system
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2018/003362
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English (en)
Korean (ko)
Inventor
진병수
한보현
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amosense Co Ltd
Original Assignee
Amosense Co Ltd
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 Amosense Co Ltd filed Critical Amosense Co Ltd
Priority claimed from KR1020180033257A external-priority patent/KR102122396B1/ko
Publication of WO2018174597A1 publication Critical patent/WO2018174597A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Definitions

  • the present invention relates to a wireless power transmission system, and more particularly, to a hybrid wireless power transmission system in which the antenna for wireless power transmission is configured in different forms.
  • Wireless power transmission technology is a technology for wirelessly transmitting electrical energy to the desired device.
  • Such wireless power transmission technology has already been applied to electric motors and transformers using electromagnetic induction principle in the 1800s, and since then, a method of transmitting electric energy by radiating electromagnetic waves such as radio waves and lasers has been attempted.
  • the wireless power transmission technology described above is very convenient because it does not need to use a separate wired cable for charging. Accordingly, attempts to apply the wireless power transmission technology to various electronic devices are increasing. However, in the wireless power transmission technology, the smooth power transmission is performed only when the wireless power transmission module and the wireless power reception module are aligned with each other.
  • the conventional wireless power transmission technology has a problem that the charging freedom is very limited. Accordingly, in order to wirelessly charge a battery of an unmanned aerial vehicle such as a drone, it is urgent to develop a form suitable for this.
  • the present invention has been made in view of the above, and an object thereof is to provide a hybrid wireless power transmission system and a wireless power transmission system for an unmanned aerial vehicle capable of increasing the degree of freedom of charging.
  • the present invention provides a wireless power transmission module including a wireless power transmission antenna for wirelessly transmitting power supplied from a power supply unit; And a wireless power receiving module having a wireless power receiving antenna for receiving wireless power transmitted from the wireless power transmitting module, wherein the wireless power transmitting antenna is a flat antenna in which a conductive member is wound in a loop shape,
  • the wireless power reception antenna provides a hybrid wireless power transmission system which is a solenoid antenna wound along the length direction so that a conductive member surrounds a circumferential surface of a magnetic core having a predetermined length.
  • the wireless power transmission antenna may be an antenna pattern formed in a loop shape on one surface of a circuit board.
  • the wireless power transmission antenna may be a flat coil wound around the conductive member in a loop shape.
  • the magnetic core may be disposed at an empty space side of which one end is formed in a central area of the antenna for wireless power transmission.
  • the present invention is capable of vertically descending and vertically rising through a plurality of power generating unit driven by using the power of the battery, the unmanned flying device with a built-in wireless power receiving module for receiving a wireless power for charging the battery; And a station having a built-in wireless power transmission module for wirelessly transmitting power supplied from a power supply unit so that the battery can be charged when the unmanned aerial vehicle is landed.
  • the wireless power receiving module may include a solenoid type wireless power receiving antenna, and the wireless power transmitting module may include a flat type wireless power transmitting antenna.
  • the station the control module; And at least one movable member moving along the X-axis direction and the Y-axis direction orthogonal to each other through the control of the control module.
  • the wireless power transmission module may be fixed to one side of the movable member. Accordingly, the wireless power transmission module may be changed to an alignment state with the wireless power receiving module by changing its position through the movement of the movable member.
  • the position of the wireless power transmission module can be changed to the alignment state for implementing the optimal charging efficiency with the wireless power receiving module.
  • the station may further include a rotating member rotatably coupled to the movable member.
  • the wireless power transmission module may be changed in alignment with the wireless power receiving module through linear movement and rotation.
  • the wireless power transmission antenna is provided as a flat antenna and the wireless power reception antenna is provided as a solenoid antenna, so that the influence of the angle during alignment for wireless charging can be excluded.
  • FIG. 1 is a schematic diagram showing a hybrid wireless power transmission system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing another form of an antenna for wireless power transmission that can be applied to a hybrid wireless power transmission system according to an embodiment of the present invention
  • 3 is a view for explaining charge freedom of the hybrid wireless power transmission system according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram showing a wireless power transmission system for an unmanned aerial vehicle according to an embodiment of the present invention
  • FIG. 5 is a view showing a method of changing the wireless power transmission module from the initial position to the alignment position in the wireless power transmission system for an unmanned aerial vehicle according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram showing a wireless power transmission system for an unmanned aerial vehicle according to another embodiment of the present invention.
  • FIG. 7 is a view showing a method of changing the wireless power transmission module from the initial position to the alignment position in the wireless power transmission system for an unmanned aerial vehicle according to another embodiment of the present invention.
  • Hybrid wireless power transmission system (100,200) according to an embodiment of the present invention includes a wireless power transmission module 110,210 and a wireless power receiving module 120 as shown in Figs.
  • the wireless power transmission module 110 and 210 may generate a magnetic field using power supplied through a power supply source, and may transmit power in a wireless manner together with the magnetic field.
  • the wireless power receiving module 120 may generate the power required by using the induced electromotive force by receiving the power transmitted from the wireless power transmission module (110, 210).
  • the power supply source may be commercial power supplied through a power line, or may be a known battery.
  • the hybrid wireless power transmission system 100,200 is a wireless power transmission antenna 111 of the wireless power transmission module 110,210 for transmitting wireless power and wireless for receiving wireless power.
  • the wireless power reception antenna 121 of the power receiving module 120 may be configured in different forms.
  • the wireless power transmission module 110 and 210 may include a wireless power transmission antenna 111 for transmitting wireless power and a shielding sheet 112 disposed on one surface of the wireless power transmission antenna 111.
  • the wireless power transmission antenna 111 may be a flat antenna wound in a loop shape.
  • the wireless power receiving module 120 is a bar-shaped magnetic core 122 having a predetermined length, and a conductive member is formed around the circumferential surface of the magnetic core 122 along the longitudinal direction of the magnetic core 122 It may include a wireless power receiving antenna 121 wound a plurality of times to wrap, the wireless power receiving antenna 121 is a solenoid wound a plurality of times along the longitudinal direction of the magnetic core 122 as described above It may be an antenna.
  • the wireless power transmission antenna 111 may be a flat coil in which a conductive member is wound a plurality of times by a predetermined number of turns, or as illustrated in FIG. 2.
  • the antenna pattern may be a patterned conductive member such as copper foil on at least one side of the.
  • the drawing shows that the wireless power transmission antenna 111 is configured as one, but is not limited thereto, and the wireless power transmission antenna 111 may be configured in plural.
  • the number of turns of the conductive member wound along the longitudinal direction of the magnetic core 122 may be appropriately changed according to a desired transmission power, and the materials of the magnetic core 122 and the shielding sheet 112 may be used. It can be changed according to the frequency.
  • the magnetic core 122 and / or the shielding sheet 112 may have a high permeability, a low permeability, and a high Q value.
  • the magnetic core 122 and / or the shielding sheet 112 may be a material having a high saturation magnetic flux density.
  • the magnetic core 122 and / or the shielding sheet 112 may be made of a magnetic material including at least one or more of Ni—Zn ferrite, Mn—Zn ferrite, polymer, and amorphous ribbon.
  • the shielding sheet 112 may be flake-processed to be separated into a plurality of fine pieces to improve the flexibility or to suppress the generation of eddy current.
  • the magnetic core 122 and / or the shielding sheet 112 may have a form in which a plate-shaped magnetic sheet having a predetermined area is stacked in multiple layers.
  • the material of the magnetic material is not limited thereto, and it is understood that all known magnetic materials that can be used in the wireless power transmission technology can be appropriately used.
  • wireless power transmission may be performed when the wireless power transmission modules 110 and 210 and the wireless power reception module 120 are aligned with each other.
  • the wireless power reception module 120 has one end side of the magnetic core 122 for the wireless power transmission antenna ( It may be disposed on one side of the wireless power transmission module (110, 210) to be located in the empty space (S) side of the 111.
  • the wireless power receiving module 120 is such that the one end side of the magnetic core 122 is located at the central portion O side of the empty space portion of the wireless power transmitting antenna 111 (the wireless power transmitting module ( 110, 210 may be disposed on one side.
  • the magnetic field emitted from the wireless power transmission antenna 111 implemented as a flat antenna can be smoothly induced to the wireless power reception antenna 121 implemented as a solenoid antenna.
  • the flat antenna may have a path of the main magnetic field formed on the side of the empty space formed at the center of the antenna, and the path of the main magnetic field may be formed at the end of the magnetic core disposed inside the solenoid type antenna. Can be.
  • one end side of the magnetic core 122 may have an empty space S side of the wireless power transmission antenna 111.
  • the main magnetic field emitted from the wireless power transmission antenna 111 which is a flat panel antenna, may overlap with the direction of the main magnetic field of the wireless power reception antenna 121, which is a solenoid type antenna.
  • the main magnetic field emitted from the wireless power transmission antenna 111 may be smoothly induced to the wireless power reception antenna 121 side.
  • the magnetic core 122 is arbitrary with respect to the X axis or the Y axis. Even when disposed in an inclined state of the magnetic core 122, one end of the magnetic core 122 may be positioned within the empty space S of the wireless power transmission antenna 111 to obtain an optimal wireless charging efficiency.
  • one end of the magnetic core 122 may be formed without considering an angle formed between the longitudinal direction of the magnetic core 122 and the radial or width direction of the wireless power transmission antenna 111.
  • the empty space (S) of the wireless power transmission antenna 111 can be aligned in a state that can obtain the optimal wireless charging efficiency.
  • the hybrid wireless power transmission system (100,200) according to an embodiment of the present invention to consider the angle between the longitudinal direction of the magnetic core 122 and the radial or width direction of the wireless power transmission antenna 111. Optimal charging efficiency can be achieved without the need to increase charging freedom.
  • the wireless power transmission antenna 111 is implemented as a flat antenna so that wireless power transmission through the wireless power transmission antenna 111 is performed. Large area can be achieved. Accordingly, the wireless power transmission antenna 111 may be capable of large capacity transmission of kW.
  • the wireless power transmission antenna 111 is composed of a flat antenna having a large area to increase the heat dissipation performance to increase the charging efficiency or charging time Can be shortened.
  • the above-described hybrid wireless power transmission system 100,200 may constitute a charging system for charging the battery 315 built in the drone 310, such as a known drone.
  • the wireless power transmission system 300, 400 for an unmanned aerial vehicle may include an unmanned aerial vehicle 310 and a station 320, 420, as shown in FIGS. 4 and 6.
  • the unmanned aerial vehicle 310 may have a wireless power receiving module 120 for receiving wireless power, and the wireless power transmitting module 110 for transmitting wireless power may be provided on the stations 320 and 420, respectively. It can be built in.
  • the battery 315 embedded in the unmanned aerial vehicle 310 may be charged in a wireless manner using power provided from the stations 320 and 420.
  • the wireless power transmission module 110 may generate a magnetic field by using the power supplied through the power supply source 327 and transmit power in a wireless manner together with the magnetic field, and the wireless power receiving module ( 120 may generate the induced electromotive force by receiving the power transmitted from the wireless power transmission module 110. Accordingly, the wireless power receiving module 120 may produce power for charging the battery 315 built in the unmanned aerial vehicle 310 through the induced electromotive force.
  • the wireless power transmission module 110 and the wireless power receiving module 120 is a wireless power transmission module and a wireless power receiving module constituting the above-described hybrid wireless power transmission system (100,200) shown in Figs. This can be applied as it is.
  • the configuration and operation relationship of the wireless power transmission module 110 and the wireless power receiving module 120 is the same as described above, a detailed description thereof will be omitted.
  • the power supply source 327 may be commercial power supplied through a power line, or may be a separate battery built in the stations 320 and 420.
  • the power supply source 327 may be controlled by the control module 326 embedded in the stations 320 and 420 so that power may be supplied to the wireless power transmission module 110 or the supply of power may be cut off.
  • the unmanned aerial vehicle 310 may be a drone of a helicopter or quadcopter method that can vertically descend and vertically rise.
  • the unmanned aerial vehicle 310 may include a body 311, a power generator 312, and a landing gear 313 as shown in FIGS. 4 and 6.
  • the body 311 may be mounted with various electronic units suitable for the purpose of use, and a battery 315 for driving various electronic units may be built therein.
  • the shape of the body portion 311 may be appropriately changed, and various known shapes may be applied.
  • the battery 315 may be a rectangular battery or a known flexible battery.
  • the battery 315 is illustrated as being embedded in the body portion 311, the position of the battery 315 is not limited thereto, and it may be known that the battery 315 may be appropriately changed according to design conditions.
  • the power generator 312 may be connected to the body portion 311 and may generate power for flying the body portion 311 when power is supplied.
  • the power generator 312 may be a method in which a propeller rotates through driving of a motor.
  • the power generating unit 312 may be one, but may be provided in plurality so as to be free to change direction, the overall driving can be controlled through a controller (not shown) built in the body portion 311. .
  • each of the power generators 312 is provided in plurality.
  • the flight direction may vary depending on the output difference of the power generators 312.
  • the controller embedded in the body 311 may control the overall operation and driving of the unmanned aerial vehicle 310.
  • the controller may be in the form of a chipset mounted on a circuit board (not shown).
  • the controller may be a microprocessor.
  • the landing gear 313 may be a structure for supporting the weight of the body portion 311 when the unmanned flying apparatus 310 is taken off and landed or moored on the station 320 or 420 side.
  • the landing gear 313 may include a plurality of leg portions 313a extending from the body portion 311 and a connection portion 313b connecting the lower end side of the leg portion.
  • the landing gear 313 may be provided as one, or a plurality of landing gears 313 may be spaced apart from each other.
  • the unmanned aerial vehicle 310 may include at least one camera unit 314 for capturing an image of the ground or the surroundings, and collects various information about the state of the unmanned aerial vehicle 310 and the surrounding environment. Or may include various sensors (not shown) for sensing.
  • the sensors may be various known sensors such as a gyro sensor, a geomagnetic sensor, a gravity sensor, an altitude sensor, a tilt sensor, a humidity sensor, a wind sensor, an air flow sensor, a temperature sensor, an acoustic sensor, an illuminance sensor, and the like.
  • the sensors may be properly installed according to the purpose of use of the unmanned aerial vehicle 310.
  • Such camera unit 314 and sensors can be controlled through the control unit.
  • the controller may further include a communication module for transmitting an image captured by the camera unit 314 or transmitting and receiving data such as flight information of the unmanned aerial vehicle 310 or a control command transmitted from the outside. have.
  • the unmanned flying apparatus 310 is not limited to the above-described structure, and various electronic equipments applied to a known unmanned flying apparatus may be additionally mounted. Various units that may be applied to the unmanned aerial vehicle may be additionally mounted. In addition, the unmanned aerial vehicle 310 may be used for various purposes such as leisure, surveillance, industrial, information collection, etc., at least one wing for generating lift may be fixedly coupled to the streamlined body. have.
  • the wireless power receiving module 120 may be embedded in the landing gear 313 side of the unmanned aerial vehicle 310.
  • the wireless power receiving module 120 may be driven through a control unit included in the body portion 311, and may be electrically connected to a battery 315 embedded in the body portion 311. Accordingly, the power produced by the wireless power receiving module 120 may be supplied to the battery 315, and the battery 315 may be recharged using the power supplied from the wireless power receiving module 120. Can be.
  • the wireless power receiving module 120 embedded in the landing gear 313 may be one, or may be a plurality.
  • the weight of the unmanned aerial vehicle 310 is balanced to one side without bias In order to be able to have the same number of wireless power receiving module 120 on both sides based on the center of gravity of the unmanned aerial vehicle 310 may be built.
  • the wireless power receiving module 120 when the unmanned flying apparatus 310 includes two landing gears 313 spaced apart from each other, the wireless power receiving module 120 includes the two landings.
  • Each of the gears 313 may be built in.
  • the plurality of wireless power transmitting modules 110 may also be embedded in the station 420.
  • the total number of the wireless power transmission module 110 and the total number of the wireless power receiving module 120 may be the same number. Accordingly, the wireless power transmission module 110 and the wireless power receiving module 120 may be matched one-to-one with each other.
  • the wireless power receiving module 120 embedded in the landing gear 313 has a bar-shaped magnetic core 122 having a predetermined length and a conductive member along the longitudinal direction of the magnetic core 122. It may include a wireless power receiving antenna 121 wound a plurality of times to surround the circumferential surface of the magnetic core 122, the wireless power receiving antenna 121 is a plurality of along the longitudinal direction of the magnetic core 122 It may be a once wound solenoid antenna.
  • the wireless power receiving module 120 has a state in which one surface of the magnetic core 122 is parallel to one surface of the stations 320 and 420 while the unmanned aerial vehicle 310 lands on one surface of the stations 320 and 420. It may be embedded in the connection portion 313b side of the landing gear 313.
  • the wireless power transmission module 110 may be embedded in the stations 320 and 420 to be disposed on a plane parallel to one surface of the stations 320 and 420.
  • the unmanned aerial vehicle 310 is in a landing state or standby state on one surface of the stations 320 and 420, and the wireless power receiving module 120 and the wireless power transmitting module 110 are aligned in the above-described embodiment.
  • the wireless power reception module 120 embedded in the landing gear 313 may receive the wireless power transmitted from the wireless power transmission module 110 built in the stations 320 and 420.
  • the battery 315 embedded in the body 311 may be charged using power generated from the wireless power receiving module 120.
  • the wireless power transmission module 110 may be embedded in the station (320, 420) to be movable along the X-axis and Y-axis direction orthogonal to each other.
  • the wireless power transmission module 110 moves in the X-axis and / or Y-axis directions.
  • the position may be changed to be aligned with the wireless power receiving module 120 embedded in the landing gear 313 through.
  • the ends of the magnetic core 122 may be aligned to be located in the empty space (S) side of the wireless power transmission antenna 111.
  • the wireless power transmission system 300,400 for an unmanned aerial vehicle can implement the optimal charging efficiency with the wireless power receiving module 120 through the position movement of the wireless power transmission module 110.
  • the battery 315 built into the unmanned aerial vehicle 310 may be always charged at an optimal charging efficiency by changing to an aligned state.
  • the wireless power transmission system 300,400 for an unmanned aerial vehicle is such that the wireless power transmission antenna 111, which is a planar antenna, is disposed on a plane parallel to one surface of the station 320,420.
  • the magnetic core 122, which is embedded in the stations 320 and 420 and the wireless power reception antenna 121, which is a solenoid type antenna, is wound on the landing gear 313 so that the magnetic core 122 is parallel to one surface of the stations 320 and 420. Can be.
  • the wireless power transmission system 300, 400 for an unmanned aerial vehicle when the unmanned aerial vehicle 310 lands on the stations 320, 420, the wireless power transmission antenna 111 is the magnetic material. It may be always in parallel with one surface of the core 122.
  • the position of the wireless power transmission module 110 is maintained.
  • the position of one end of the magnetic core 122 can be easily changed into the empty space (S) of the wireless power transmission antenna 111.
  • the wireless power transmission is a longitudinal antenna and a flat antenna of the magnetic core 122. If one end of the magnetic core 122 is changed to be located in the empty space S of the wireless power transmission antenna 111 without having to consider the angle formed by the radial or width directions of the credit antenna 111, the optimal wireless It can be arranged in a state to obtain a charging efficiency.
  • the wireless power transmission system 300,400 for the unmanned aerial vehicle can increase the charge freedom.
  • the wireless power transmission antenna 111 is implemented as a flat antenna, wireless power transmission through the wireless power transmission antenna 111. This can be done in large areas. Accordingly, the wireless power transmission antenna 111 may be capable of large capacity transmission of kW. In addition, the wireless power transmission antenna 111 is composed of a flat antenna having a large area to increase the heat dissipation performance can increase the charging efficiency or shorten the charging time.
  • the wireless power transmission system 300,400 for an unmanned aerial vehicle is the size of the landing gear 313 by the wireless power transmission module 110 built in the landing gear 313 is configured in the form of a solenoid. It can be easily built without changing. As a result, the size of the landing gear 313 may be prevented from increasing in the process of applying the wireless power transmission module 110, thereby preventing an increase in air resistance due to an increase in size.
  • the stations 320 and 420 may drive the housing 321, the movable members 322 and 323 embedded in the housing 321 to be movable along the X and Y axis directions, and the movable members 322 and 323. It may include a control module 326.
  • the wireless power transmission module 110 may be fixed to the movable member 323 side. Accordingly, when the movable member 323 is moved by the control module 326, the position of the wireless power transmission module 110 may be changed together with the movable member 323.
  • the housing 321 may be formed to have a horizontal plane having at least one surface having a predetermined area so that the unmanned aerial vehicle 310 can land, and may be a part or the whole embedded in the ground or the horizontal plane It may be fixed to another structure so as to be exposed to the outside.
  • the movable members 322 and 323 may include a first slider 322 reciprocated along the X axis and a second slider 323 reciprocated along the Y-axis direction, and the first slider 322 and Any one of the second sliders 323 may be coupled to reciprocally move in a direction perpendicular to the movement direction of the other.
  • the wireless power transmission module 110 may be selectively fixed to any one of the first slider 322 and the second slider 323.
  • the first slider 322 and the second slider 323 may be reciprocated by driving the motors M1 and M2 controlled by the control module 326.
  • various known methods such as a pulley method, a screw method, and a gear method may be applied. have.
  • the first slider 322 reciprocates along the first guide 324 disposed in a direction parallel to the X axis with respect to the bottom surface of the housing 321 through the driving of the first motor M1. It may be arranged to be movable.
  • the second slider 323 is capable of reciprocating by driving the second motor M2 along the second guide 325 disposed in a direction parallel to the Y axis with respect to the first slider 322.
  • the wireless power transmission module 110 may be fixedly installed on an upper surface of the second slider 323.
  • the first motor (M1) and the second motor (M2) can be controlled overall operation through the control module 326, the wireless power transmission module 110 is also electrically connected with the control module (326) The overall drive can be controlled.
  • the control module 326 may include a general circuit element for driving the wireless power transmission module 110.
  • the positions of the first slider 322 and the second slider 323 may be changed by the control of the control module 326. Accordingly, one end of the magnetic core 122 of the wireless power receiving module 120 embedded in the landing gear 313 may be changed to be located in the empty space S of the wireless power transmitting antenna 111. .
  • the second slider 323 alternates a predetermined distance between the X-axis direction and the Y-axis direction by driving the control module 326 in the housing 321.
  • the wireless power transmission module 110 may be changed to a position aligned with the wireless power receiving module 120 by moving the position.
  • the battery 315 built in the unmanned aerial vehicle 310 may be charged at the optimal charging efficiency.
  • the movement path of the second slider 323 is not limited thereto, and it may be understood that the second slider 323 may be moved in various paths.
  • the second slider 323 or the wireless power transmission module 110 side may include a sensing unit (not shown) for detecting the alignment state with the magnetic core 122, the sensing unit the control module 326 Can be controlled.
  • control module 326 adjusts the position of the second slider 323 based on the information detected by the sensing unit to align the wireless power transmission module 110 and the wireless power reception module 120. It may be.
  • the sensing unit may be an infrared sensor for checking the end position of the magnetic core 122 through infrared rays, or may be a magnetic field sensor for detecting the magnitude of the magnetic field induced in the wireless power reception antenna 121. .
  • the sensing unit is not limited thereto, and various known sensors may be applied to the second slider 323 and one end of the magnetic core 122.
  • the position of the wireless power transmission module 110 is changed through the two sliders 322 and 323 through the control of the control module 326.
  • the present invention is not limited thereto and the position is changed in the two axis directions perpendicular to each other. It should be noted that all known manners may be applied.
  • the station 420 may further include a rotating member 328 rotatably coupled to the movable member as shown in FIGS. 6 and 7.
  • the rotating member 328 may be rotatably coupled to one surface of the second slider 323.
  • the wireless power receiving module 120 may be embedded in two landing gears 313 spaced apart from each other in the unmanned aerial vehicle 310.
  • two wireless power transmission modules 110 may be fixed to the rotating member 328 so as to correspond to the wireless power receiving modules 120 embedded in the two landing gears 313, respectively.
  • the two wireless power transmission module 110 may be fixed to the upper surface of the rotating member 328 in a state spaced apart by the distance between the two landing gear 313.
  • the wireless power transmission module 110 fixed to the rotating member 328 side X and Y axes through the movement of the first slider 322 and the second slider 323 by the control module 326.
  • the position may be changed along the direction, and may be rotated about the Z axis through the rotation of the rotating member 328.
  • the wireless power transmission module 110 fixed to the rotating member 328 may be capable of changing the angle through rotation together with the position movement through linear movement.
  • the rotating member 328 may be rotated by driving the motor M3 controlled by the control module 326.
  • the first slider 322 is a first guide disposed in a direction parallel to the X axis with respect to the bottom surface of the housing 321 through driving of the first motor M1.
  • the second slider 323 may be disposed along the second guide 325 in a direction parallel to the Y axis with respect to the first slider 322. It may be arranged to reciprocate through the driving of the motor M2.
  • the rotation member 328 may be rotated about the Z axis by driving the third motor M3 with respect to the second slider 323, and the wireless power transmission module 110 may be rotated by the rotation member ( 328 may be fixed to the upper surface.
  • the first motor (M1), the second motor (M2) and the third motor (M3) can be controlled overall operation through the control module 326
  • the wireless power transmission module 110 is also the It is electrically connected to the control module 326, the overall driving can be controlled.
  • the control module 326 may include a general circuit element for driving the wireless power transmission module 110.
  • the wireless power receiving module 120 embedded in each of the two landing gears 313 has one end of the magnetic core 122 in the empty space S of the two wireless power transmitting antennas 111. It may be arranged to position each. Through this, the battery 315 built in the unmanned aerial vehicle 310 may be charged at the optimal charging efficiency.
  • wireless power transmission may be simultaneously performed while two wireless power transmission modules and a wireless power reception module are aligned with each other.
  • the battery 315 built in the unmanned aerial vehicle 310 may shorten the charging time.
  • the plurality of wireless power transmission module is provided with any one of the plurality of wireless power transmission module may be fixed to be located on the rotation center axis of the rotating member 328.
  • the wireless power transmission module and the landing gear 313 that are fixed on the central axis of rotation of the rotating member 328 through the positional movement of the first slider 322 and the second slider 323 are installed. Aligning the position of any one of the wireless power receiving module first and then rotating the rotating member 328 and other wireless power transmission module and landing gear 313 fixed to a position off the central axis of rotation of the rotating member 328 Other wireless power receiving modules built in can be easily aligned.
  • the wireless power transmission module 110 applied to the wireless power transmission system 300 or 400 for an unmanned aerial vehicle is illustrated in FIG. 1, the present invention is not limited thereto, and the wireless power transmission module 210 shown in FIG. 2 is not limited thereto. ) Can be equally applied.
  • the hybrid wireless power transmission system 100 and 200 described above may be applied to various electronic products in addition to the unmanned aerial vehicle. For example, it may be applied to household appliances, laptop computers, electric vehicles, etc., including a TV, a robot cleaner, and the like.
  • the wireless power transmission module 110 may be configured as a solenoid type and the wireless power reception module 120 may be configured as a flat plate, unlike the above description. To reveal.
  • the wireless power transmission module and the wireless power receiving module constituting the wireless power transmission system both of which may be configured as a flat plate or a solenoid type.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Selon un mode de réalisation, l'invention concerne un système de transmission d'énergie sans fil hybride comprenant : un module de transmission d'énergie sans fil pourvu d'une antenne servant à une transmission d'énergie sans fil permettant de transmettre sans fil de l'énergie fournie par une unité d'alimentation électrique ; et un module de réception d'énergie sans fil pourvu d'une antenne servant à une réception d'énergie sans fil permettant de recevoir de l'énergie sans fil transmise par le module de transmission d'énergie sans fil, l'antenne servant à la transmission d'énergie sans fil étant une antenne de type plat dans laquelle un élément conducteur est enroulé sous la forme d'une boucle, l'antenne servant à la réception d'énergie sans fil étant une antenne de type solénoïde dans laquelle l'élément conducteur est enroulé le long d'une direction longitudinale de façon à entourer une surface périphérique d'un noyau magnétique d'une longueur prédéterminée.
PCT/KR2018/003362 2017-03-22 2018-03-22 Système de transmission d'énergie sans fil hybride et système de transmission d'énergie sans fil destiné à un dispositif volant sans pilote comprenant ledit système Ceased WO2018174597A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2017-0035948 2017-03-22
KR20170035948 2017-03-22
KR1020180033257A KR102122396B1 (ko) 2017-03-22 2018-03-22 복합형 무선전력 전송 시스템 및 이를 포함하는 무인비행장치용 무선전력 전송 시스템
KR10-2018-0033257 2018-03-22

Publications (1)

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WO2018174597A1 true WO2018174597A1 (fr) 2018-09-27

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PCT/KR2018/003362 Ceased WO2018174597A1 (fr) 2017-03-22 2018-03-22 Système de transmission d'énergie sans fil hybride et système de transmission d'énergie sans fil destiné à un dispositif volant sans pilote comprenant ledit système

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WO (1) WO2018174597A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110450657A (zh) * 2019-08-02 2019-11-15 西安工程大学 一种无人机自动补给无线充电装置
NO20200173A1 (en) * 2019-02-11 2020-08-12 Wpc Wireless Power And Communication As Docking port and battery charging depot for an unmanned aerial vehicle and a method for docking and charging the vehicle.

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KR20160012665A (ko) * 2014-07-25 2016-02-03 아이엠 바이오(주) 이탈방지용 배액관
KR20160015716A (ko) * 2014-07-31 2016-02-15 한국과학기술원 배달 장치, 충전 시스템 및 충전 시스템의 동작 방법
KR20160015713A (ko) * 2014-07-31 2016-02-15 한국과학기술원 무인 비행체, 이의 충전 시스템 및 이의 충전 방법
US20160304217A1 (en) * 2015-01-18 2016-10-20 Foundation Productions, Llc Apparatus, Systems and Methods for Unmanned Aerial Vehicles
US20160311329A1 (en) * 2015-04-22 2016-10-27 Cristian A. Sobota Rodriguez Contactless charger and battery management

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160012665A (ko) * 2014-07-25 2016-02-03 아이엠 바이오(주) 이탈방지용 배액관
KR20160015716A (ko) * 2014-07-31 2016-02-15 한국과학기술원 배달 장치, 충전 시스템 및 충전 시스템의 동작 방법
KR20160015713A (ko) * 2014-07-31 2016-02-15 한국과학기술원 무인 비행체, 이의 충전 시스템 및 이의 충전 방법
US20160304217A1 (en) * 2015-01-18 2016-10-20 Foundation Productions, Llc Apparatus, Systems and Methods for Unmanned Aerial Vehicles
US20160311329A1 (en) * 2015-04-22 2016-10-27 Cristian A. Sobota Rodriguez Contactless charger and battery management

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20200173A1 (en) * 2019-02-11 2020-08-12 Wpc Wireless Power And Communication As Docking port and battery charging depot for an unmanned aerial vehicle and a method for docking and charging the vehicle.
NO346469B1 (en) * 2019-02-11 2022-08-29 Wpc Wireless Power And Communication As A docking port, a landing gear and a system for docking and charging an unmanned aerial vehicle.
CN110450657A (zh) * 2019-08-02 2019-11-15 西安工程大学 一种无人机自动补给无线充电装置
CN110450657B (zh) * 2019-08-02 2022-11-18 西安工程大学 一种无人机自动补给无线充电装置

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