EP3066745A1 - Dispositif de transfert d'énergie à distance par ondes acoustiques sur un objet en mouvement - Google Patents
Dispositif de transfert d'énergie à distance par ondes acoustiques sur un objet en mouvementInfo
- Publication number
- EP3066745A1 EP3066745A1 EP14793082.0A EP14793082A EP3066745A1 EP 3066745 A1 EP3066745 A1 EP 3066745A1 EP 14793082 A EP14793082 A EP 14793082A EP 3066745 A1 EP3066745 A1 EP 3066745A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base station
- moving object
- acoustic
- acoustic wave
- tracking
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
- H02J50/15—Circuit arrangements or systems for wireless supply or distribution of electric power using ultrasonic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/30—Supply or distribution of electrical power
- B64U50/34—In-flight charging
- B64U50/35—In-flight charging by wireless transmission, e.g. by induction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
- H02J7/42—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data with electronic devices having internal batteries, e.g. mobile phones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/10—UAVs characterised by their flight controls autonomous, i.e. by navigating independently from ground or air stations, e.g. by using inertial navigation systems [INS]
- B64U2201/104—UAVs characterised by their flight controls autonomous, i.e. by navigating independently from ground or air stations, e.g. by using inertial navigation systems [INS] using satellite radio beacon positioning systems, e.g. GPS
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
- H02J2105/32—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles for aircrafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
Definitions
- the invention relates to the general field of means for transferring energy from a producing source to a receiver. It relates more particularly to the field of remote battery charging means.
- a known solution is to provide users with battery exchange points widely deployed on the area of evolution of objects and having a wide variety of batteries to meet the wide variety of voltages. supplies of these objects (voltage, continuous or alternating nature of the current).
- An alternative solution is to provide users with charging stations adapted to the objects in question and their use, mobile phones, laptops or motor vehicles in particular.
- Another alternative solution consists in equipping the object under consideration with a portable or transportable recharging means, a charger, depending on the case, enabling the user to recharge the battery of the object from a power source.
- standard such as the mains voltage, so that the mains voltage is widely distributed there is no need to set up appropriate charging terminal.
- such a solution requires the user to transport the charger of the object. It also requires the mains current to be large enough to allow rapid recharging.
- the three solutions described in the preceding paragraphs also generally require the user to place the object in question near the power source.
- the reloading is generally carried out by means of an electric cable, which must necessarily be of limited length, or alternatively by means of an induction transfer device which requires that the object be placed opposite an inductive element itself placed near the source to which it is connected.
- the moving object is thus immobilized during the reloading period.
- An object of the invention is to propose a solution for recharging electric energy a mobile object moving in a given area without this object needs to be in the immediate vicinity electric recharging source and to remain there for the time necessary for recharging.
- the subject of the invention is a system for the remote and wireless transfer of energy from a base station to a mobile object moving in a zone of the given space around said base station, which comprises:
- acoustic reception means located at the level of the moving object, for receiving the acoustic wave emitted by the base station and for converting the acoustic wave into an electrical signal.
- system further comprises means for performing the tracking of the moving object so as to determine the position of the moving object relative to the base station.
- the device according to the invention may have various technical characteristics such as those mentioned below, these characteristics may be considered separately or in combination. So:
- the acoustic wave emission means are constituted by a set of elementary piezoelectric transducers, each transducer being excited by an electrical signal referenced in phase with respect to a reference phase.
- the phases of the signals applied to the different piezoelectric transducers are determined in real time, as a function of the position of the moving object relative to the base station, so that the acoustic waves emitted by the different transducers are combined in the space to form a focused acoustic wave in the direction of the moving object.
- the acoustic reception means consist of a localized acoustic transducer.
- the tracking means implement an optical or radio detection system.
- the mobile object comprises means for converting the electrical signal delivered by the acoustic reception means into a DC voltage for supplying a battery housed in said moving object.
- the tracking means are constituted by a GPS receiver located in the mobile object, and communication means enabling it to transmit its GPS position to the base station.
- the device comprises communication means allowing the base station to guide the mobile object to a zone of the space for initiating the tracking of the moving object.
- FIG. 1 shows an illustration of an exemplary implementation of the method according to the invention to carry out the reloading.
- a flying mobile object a drone for example, by a mobile land base.
- the present description presents, without limitation, an example of application of the device according to the invention which makes it possible to highlight the advantageous technical characteristics of the latter.
- the configuration presented allows to implement the device according to the invention on one or more autonomous moving objects.
- the configuration presented here consists of a mobile base station 1 1 mounted on a vehicle of appropriate size performing various tasks, associated with an automatic flying object 12, a drone, performing tasks in more or less direct connection with those performed by the base station.
- the base station 1 1 can for example consist of one or more vehicles responsible for performing certain ground tasks at different points of a given geographical area, while the drone 12 has the function of exploring the area at above ground to locate the execution of said tasks and transmit the coordinates of these places to the base station 1 1 or to autonomously perform certain tasks in places located above the ground.
- the device according to the invention mainly comprises a base station, a mobile station 1 1 mounted on a vehicle for example, producing an energy acoustic signal at from a power source and emitting the acoustic signal produced in the form of a focused acoustic wave 14 in a given sector of space.
- the vehicle is equipped with autonomous means of electricity production (not shown in the figure), a generator for example.
- It also comprises an acoustic receiver 15 located in the flying mobile object 12, the drone, which transforms the acoustic wave 14 received into an electrical signal, and means capable of converting this electrical signal into an electrical voltage intended primarily to recharge a battery also located in the drone 12.
- the acoustic wave emitted by the acoustic transmitter of the device is a wave directed permanently on the mobile object 12 during the entire duration of the operation of recharging energy of the latter.
- this transmitter comprises an antenna 13 (i.e. an acoustic projector) configured to radiate a focused wave 14.
- the antenna used is a synthetic acoustic antenna, constituted for example by a multi-element transducer (E) composed of piezoelectric pellets distributed in a two-dimensional matrix and forming as many elementary piezoelectric transducers.
- the acoustic transmitter also comprises means for generating the electrical excitation signals of the elementary transducers, each of these signals corresponding to a signal derived from a reference signal, obtained by applying a given phase shift to this reference.
- phase shift applied for each of the transducers is determined in such a way that the acoustic waves emitted by the different transducers combine in space to form an acoustic wave 14 focused in the direction of the moving object 12, as illustrated in FIG.
- the acoustic receiver 15 located at the level of the mobile object 12, of the drone is, for its part, a simple acoustic transducer capable of converting the acoustic wave that it receives into an electrical signal. It may be, for example, a localized element of the piezoelectric microphone type, without particular directivity.
- the acoustic wave 14 emitted by the base station 1 is a continuous sine wave or, alternatively, a sinusoidal pulse train whose frequency is preferably in a range varying from a few kHz to a few hundred kHz (up to at MHz).
- the acoustic power emitted is also defined by taking into account the extent of the area of the space in which it is desired to make possible the recharging of the batteries supplying the mobile object 12, a drone in the case of FIG.
- the direct supply of the drone is not realized by means of the electric signal obtained from the acoustic wave 14, it is the energy transmitted more than the power which represents the factor sizing the emitted acoustic wave (max power, waveform, ..).
- the focusing of the wave 14 in the precise direction of the drone 12 makes it possible to optimize the energy transfer and consequently the horizon of the zone in which the recharging of the battery of the drone 12 is possible.
- This area typically extends from a few meters to a few hundred meters around the base station carried by the vehicle 1 1.
- the device according to the invention comprises means 16 for locating and tracking.
- These means make it possible, on the one hand, to locate the mobile object 12 and to determine if it is located in the useful recharging zone and, on the other hand, to follow the relative movements of the mobile object 12 and the mobile station. base 1 1. They thus make it possible to determine in real time the position of the moving object 12 with respect to the acoustic transmitter 13 of the base station 1 1, so as to keep the transmitted acoustic wave 14 focused in the direction of the object. mobile 12.
- the area of the space in which, taking into account the masks possibly preventing the propagation of the acoustic wave, the energy transmitted by the acoustic wave 14 is sufficient to be detected by the transducer 15 equipping the moving object 12.
- the tracking is here carried out by any known means, optical means (camera, laser pointing) or electromagnetic (radar pointing) for example.
- the device according to the invention is able at any time to determine the position of the mobile object 12 with respect to the base station 1 1 and, insofar as the position of the latter is contained in the useful area reloading (useful zone), to focus the acoustic wave 14 of recharging in the precise direction of the moving object 12.
- the focusing in the direction of the moving object 12 is obtained simply by applying to the electrical excitation signal which pilot each of the transducers elements of the transmission acoustic antenna 13, the appropriate phase law.
- the reloading function of the mobile object 12 can be permanently exerted as long as it constantly evolves in the useful zone, or intermittently when it evolves within this zone .
- the reloading operation is interrupted and resumed only when, taking into account the position of the moving object 12, the tracking and focusing 17 of the acoustic wave on the latter become possible and / or that its distance to the base station 1 1 is compatible with a satisfactory energy transfer.
- the vehicle carrying the base station 1 1 and the mobile object 12 are two elements of a system of integrity control of large and tall structures, buildings, bridges or other structures.
- art for example, for which at the same time a control from the ground for the low parts and a control by means of a flying machine 12 for the elevated parts.
- the evolution zone of the moving object 12 which constitutes the control element of the parts in height is not included in the zone. useful reloading or that, due to the shape of the controlled structure, the acoustic receiver 15 of the mobile object 12 can no longer receive the acoustic wave 14 emitted by the base station 1 1.
- the base station 1 1 mounted in its vehicle and the mobile object 12 constitute a set of equipment intended to perform complementary tasks on the same geographical area
- the respective dimensions and configurations of the two elements are suitable, provision, as shown in FIG. 1, for placing on the vehicle the base station of a parking zone 18 for the mobile object 12, a zone that the latter can occupy when the two elements are not in operational operation.
- the acoustic transmitter 13 of the device according to the invention can then be configured in such a way that, when the mobile object 12 is placed on its parking area 18, the acoustic wave 14 is emitted more wide and that it reaches the parking location 18 of the moving object 18 on the vehicle.
- the device according to the invention comprises a single mobile base station 1 1, but it can however in other embodiments include several base stations. 1 1 fixed or mobile each producing an energetic acoustic signal and emitting a focused acoustic wave 14 on the same mobile object 12.
- the device according to the invention can consist simply of a fixed base station producing an energetic acoustic signal from an electrical signal and emission of the acoustic signal produced in the form of a focused acoustic wave in a given sector of space, and an acoustic receiver located in the mobile object and capable of transforming the received acoustic wave into an electrical voltage intended primarily to recharge a battery also located in the moving object.
- the power supply of the base station can be provided by the general electricity distribution network.
- the recharging of the battery can be achieved simply, the user of the object having just to identify the presence of a base station and to place the object to be recharged in the propagation zone of the acoustic wave, area known by principle or clearly identified.
- the device then requires no automatic means of tracking or communication between the base station and the object mobile.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1360761A FR3012923B1 (fr) | 2013-11-04 | 2013-11-04 | Dispositif de transfert d'energie a distance par ondes acoustiques sur un objet en mouvement |
| PCT/EP2014/073363 WO2015063223A1 (fr) | 2013-11-04 | 2014-10-30 | Dispositif de transfert d'énergie à distance par ondes acoustiques sur un objet en mouvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3066745A1 true EP3066745A1 (fr) | 2016-09-14 |
Family
ID=50721839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14793082.0A Withdrawn EP3066745A1 (fr) | 2013-11-04 | 2014-10-30 | Dispositif de transfert d'énergie à distance par ondes acoustiques sur un objet en mouvement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10020690B2 (fr) |
| EP (1) | EP3066745A1 (fr) |
| CN (1) | CN105917547B (fr) |
| FR (1) | FR3012923B1 (fr) |
| WO (1) | WO2015063223A1 (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO341754B1 (en) * | 2016-01-29 | 2018-01-15 | Transmark Subsea As | System and method for underwater acoustic energy transfer and communication |
| EP3385162A1 (fr) * | 2017-04-07 | 2018-10-10 | Antony Pfoertzsch | Véhicule de base pour un véhicule d'exploration et procédé associé et système correspondant |
| WO2019080099A1 (fr) * | 2017-10-27 | 2019-05-02 | 北京小米移动软件有限公司 | Procédé et dispositif de commande de véhicule aérien sans pilote, et procédé et dispositif de manoeuvre de véhicule aérien sans pilote |
| CN108422884B (zh) * | 2018-03-30 | 2020-10-13 | 榛硕(武汉)智能科技有限公司 | 基于无人机的电动汽车电能补充系统 |
| TWI718450B (zh) | 2018-12-10 | 2021-02-11 | 財團法人工業技術研究院 | 使用飛行載具之無線電訊號源的無線電波分布之量測與對應之無線電特徵之估算之方法及系統 |
| JP6645720B1 (ja) * | 2018-12-28 | 2020-02-14 | 三菱ロジスネクスト株式会社 | 給電システム |
| JP6738917B1 (ja) * | 2019-02-01 | 2020-08-12 | 三菱ロジスネクスト株式会社 | 無人飛行体用給電システム |
| CN113224858A (zh) * | 2021-05-18 | 2021-08-06 | 海南快停科技有限公司 | 一种带定位功能的声波无线输电系统及控制方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6798716B1 (en) * | 2003-06-19 | 2004-09-28 | Bc Systems, Inc. | System and method for wireless electrical power transmission |
| WO2008147681A2 (fr) * | 2007-05-10 | 2008-12-04 | Arlton Paul E | Système de lancée et de récupération d'uav |
| KR20120109563A (ko) * | 2009-12-18 | 2012-10-08 | 에어로바이론먼트, 인크. | 고고도 장기체공 무인 항공기 및 그 동작방법 |
| US10343535B2 (en) * | 2010-04-08 | 2019-07-09 | Witricity Corporation | Wireless power antenna alignment adjustment system for vehicles |
| US8816632B2 (en) * | 2010-04-28 | 2014-08-26 | Lockheed Martin Corporation | Radio frequency power transmission system |
| US8788119B2 (en) * | 2010-12-09 | 2014-07-22 | The Boeing Company | Unmanned vehicle and system |
| KR101736284B1 (ko) * | 2010-12-17 | 2017-05-16 | 한국전자통신연구원 | 초음파를 이용한 무선 전력 전송 시스템 |
| US20120299540A1 (en) * | 2011-05-27 | 2012-11-29 | uBeam Inc. | Sender communications for wireless power transfer |
-
2013
- 2013-11-04 FR FR1360761A patent/FR3012923B1/fr not_active Expired - Fee Related
-
2014
- 2014-10-30 CN CN201480066322.4A patent/CN105917547B/zh not_active Expired - Fee Related
- 2014-10-30 US US15/033,960 patent/US10020690B2/en active Active
- 2014-10-30 WO PCT/EP2014/073363 patent/WO2015063223A1/fr not_active Ceased
- 2014-10-30 EP EP14793082.0A patent/EP3066745A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR3012923A1 (fr) | 2015-05-08 |
| CN105917547A (zh) | 2016-08-31 |
| US20160276863A1 (en) | 2016-09-22 |
| CN105917547B (zh) | 2019-01-08 |
| WO2015063223A1 (fr) | 2015-05-07 |
| US10020690B2 (en) | 2018-07-10 |
| FR3012923B1 (fr) | 2017-09-01 |
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