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WO2011093292A1 - Système de transmission d'énergie sans contact et appareil de transmission d'énergie sans contact - Google Patents

Système de transmission d'énergie sans contact et appareil de transmission d'énergie sans contact Download PDF

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Publication number
WO2011093292A1
WO2011093292A1 PCT/JP2011/051386 JP2011051386W WO2011093292A1 WO 2011093292 A1 WO2011093292 A1 WO 2011093292A1 JP 2011051386 W JP2011051386 W JP 2011051386W WO 2011093292 A1 WO2011093292 A1 WO 2011093292A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
power transmission
side antenna
matching circuit
antenna
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/JP2011/051386
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English (en)
Japanese (ja)
Inventor
山川　博幸
泰雄 伊藤
直樹 牛来
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.)
Equos Research Co Ltd
Original Assignee
Equos Research 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 Equos Research Co Ltd filed Critical Equos Research Co Ltd
Priority to CN2011800071073A priority Critical patent/CN102725940A/zh
Publication of WO2011093292A1 publication Critical patent/WO2011093292A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • 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
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • This application relates to a technology for transmitting power to a device without contact.
  • a rechargeable secondary battery such as a nickel metal hydride battery or a lithium ion battery is used for the power storage device, and charging to the secondary battery is generally performed by power transmission from a power source outside the vehicle.
  • a power transmission method attention is focused on a method of transmitting power in a non-contact state, in addition to connecting a power source outside the vehicle and a power storage device including a secondary battery with a cable.
  • a vehicle power transmission device including a high-frequency power driver, a primary coil, and a primary self-resonant coil is disclosed in order to transmit charging power from an external power source to the electric vehicle in a non-contact state.
  • the power from the power source is converted into high frequency power by the high frequency power driver and is given to the primary self-resonant coil by the primary coil.
  • the primary self-resonant coil is magnetically coupled to the secondary self-resonant coil in the vehicle, and power is transmitted to the vehicle in a non-contact state (Patent Document 1).
  • Patent Document 2 and Non-Patent Document 1 are disclosed as related technologies.
  • the background art only exemplifies a circuit configuration for performing power transmission in a non-contact state with an antenna.
  • power transmission can be performed most efficiently by matching the frequency of the AC power on the power transmission side with the resonance frequency, but the resonance frequency depends on the distance between the antennas. It changes as the mutual inductance changes. Therefore, if the distance between the antennas varies according to the positional relationship between the power transmission device and the vehicle, the frequency of AC power on the power transmission side may deviate from the resonance frequency due to the change in the resonance frequency, and efficient power transmission may not be performed. There is.
  • the present application aims to provide a non-contact power transmission system and a non-contact power transmission device that do not require frequency control of AC power on the power transmission side according to the distance between antennas and can maintain high power transmission efficiency.
  • the non-contact power transmission system disclosed in the present application is a system that performs power transmission in a non-contact state with respect to a device that uses electrical energy as a power source, and includes a power reception side antenna, a power transmission side antenna, an AC power driver, A matching circuit and a control circuit;
  • the power receiving antenna is mounted on the device and receives power by electromagnetic coupling.
  • the power transmission side antenna transmits power to the power reception side antenna by electromagnetic coupling.
  • the AC power driver converts power received from the power source into AC power that can be transmitted from the power transmission side antenna to the power reception side antenna.
  • the matching circuit is provided between the AC power driver and the power transmission side antenna, and can adjust the impedance of the transmission line.
  • the control circuit for controlling the AC power driver and the matching circuit controls the matching circuit in a state where the AC power driver is controlled so that the frequency of the AC power becomes the resonance frequency of the power transmission side antenna or the resonance frequency of the power reception side antenna. Perform impedance matching.
  • the non-contact power transmission device disclosed in the present application is a power transmission device that performs power transmission in a non-contact state to a device that uses electrical energy as a power source, and includes a power transmission side antenna, an AC power driver, and a matching circuit. And a control circuit.
  • the power transmission side antenna transmits power to the power reception side antenna mounted on the device by electromagnetic coupling.
  • the AC power driver converts power received from the power source into AC power that can be transmitted from the power transmission side antenna to the power reception side antenna.
  • the matching circuit is provided between the AC power driver and the power transmission side antenna, and can adjust the impedance of the transmission line.
  • the control circuit for controlling the AC power driver and the matching circuit controls the matching circuit in a state where the AC power driver is controlled so that the frequency of the AC power becomes the resonance frequency of the power transmission side antenna or the resonance frequency of the power reception side antenna. Perform impedance matching.
  • the frequency of the AC power of the AC power driver is matched with the resonance frequency of the power transmission side antenna or the resonance frequency of the power reception side antenna. Then, impedance matching is performed by the matching circuit. By performing impedance matching at the resonance frequency of the power transmission side antenna or the resonance frequency of the power reception side antenna, frequency control of AC power on the power transmission side according to the distance between the antennas is unnecessary, and high power transmission efficiency can be maintained.
  • FIG. 1 is a system configuration diagram when a contactless power transmission system is applied to power transmission to an electric vehicle or a hybrid vehicle.
  • the vehicle 2 is an electric vehicle or a hybrid vehicle.
  • a state in which the vehicle 2 is in the power transmission area 1 is shown.
  • a power transmission device 10 is embedded in the power transmission area 1, and non-contact power transmission is performed with the power reception device 20 mounted on the vehicle 2.
  • the power transmission side antenna 11 of the power transmission device 10 and the power reception side antenna 21 of the power reception device 20 resonate, and power is transmitted by electromagnetic coupling.
  • the power transmission antenna 11 has a coupling surface 11 ⁇ / b> A that is electromagnetically coupled along the ground surface of the power transmission area 1.
  • the power receiving antenna 21 has a coupling surface 21 ⁇ / b> A that is electromagnetically coupled along the lower surface of the vehicle 2.
  • the power transmission side antenna 11 is driven by a power transmission unit 12 including an AC power driver that supplies AC power.
  • the power transmission unit 12 is controlled by the control circuit 13. Further, the AC power received by the power receiving antenna 21 is rectified by the power receiving unit 22 and stored in a storage battery or the like.
  • the power receiving unit 22 is controlled by the control circuit 23.
  • FIG. 2 shows the characteristics of the resonance frequency of the system including the power transmission side antenna 11 and the power reception side antenna 21.
  • the horizontal axis is the distance (D) between the power transmission side antenna 11 and the power reception side antenna 21, and the vertical axis is the resonance frequency (f).
  • FIG. 3 is a circuit block diagram of the power transmission device 10.
  • the power transmission device 10 includes a control circuit 13, an oscillator 14, a drive circuit 12A, a matching circuit 12B, a SWR (Standing Wave Ratio, hereinafter, SW A total of 12C (abbreviated as R) and a power transmission side antenna 11. Further, the power transmission area 1 includes an in-area detection sensor 15.
  • the clock signal output from the oscillator 14 is input to the control circuit 13 and used for periodic control such as power supply of the operation clock in the control circuit 13 and AC power of the drive circuit 12A.
  • the control circuit 13 controls the drive circuit 12A and the matching circuit 12B based on signals received from the oscillator 14, the SWR meter 12C, and the in-area detection sensor 15.
  • the drive circuit 12A includes an AC power driver constituted by an inverter or the like, and supplies AC power to the power transmission side antenna 11 through the matching circuit 12B and the SWR meter 12C.
  • the AC power is periodically controlled by the control circuit 13.
  • the matching circuit 12B performs impedance matching between the power transmission side antenna 11 and the drive circuit 12A under the control of the control circuit 13 in order to efficiently supply the AC power supplied from the drive circuit 12A to the power transmission side antenna 11.
  • the SWR meter 12 ⁇ / b> C measures the standing wave ratio of AC power sent from the drive circuit 12 ⁇ / b> A to the power transmission side antenna 11, and transmits the measurement result to the control circuit 13. The presence or absence of a reflected wave due to the propagation of AC power is detected.
  • the power transmission side antenna 11 is an LC resonance coil having an inductance component and a capacitance component, and is magnetically coupled to a power reception side antenna 21 of the power reception device 20 described later, and transmits power to the power reception side antenna 21.
  • an LC resonance coil can be configured by a combination of a coil and a capacitor. Further, if the coil itself is designed to have a stray capacitance in consideration of the stray capacitance between the conductors of the coil, the LC resonance coil can be configured with only the coil.
  • the in-area detection sensor 15 detects whether or not the vehicle 2 has entered the power transmission area 1 and transmits the result to the control circuit 13.
  • FIG. 4 is a circuit block diagram of the power receiving device 20.
  • the power receiving device 20 includes a control circuit 23, an oscillator 24, a power receiving antenna 21, a power receiving detection circuit 22A, a switching circuit 22B, a matching circuit 22C, a rectifying / smoothing circuit 22D, and a charging circuit 22E.
  • the clock signal output from the oscillator 24 is input to the control circuit 23 and used as an operation clock in the control circuit 23.
  • the control circuit 23 controls the switching circuit 22B and the charging circuit 22E based on signals received from the oscillator 24 and the power reception detection circuit 22A.
  • the power reception detection circuit 22A includes, for example, a current sensor, and detects a current flowing through the power reception antenna 21. It is detected whether or not AC power is being transmitted from the power transmission device 10.
  • the switching circuit 22B switches according to the signal received from the control circuit 23 whether the power receiving antenna 21 is in a closed loop state, connected to the charging circuit 22E, or in an open loop state.
  • the matching circuit 22C has a system impedance from the power receiving side antenna 21 to the rectifying / smoothing circuit 22D so that the AC power received by the power receiving side antenna 21 is not reflected and supplied to the charging circuit 22E through the rectifying / smoothing circuit 22D. Align.
  • the rectifying / smoothing circuit 22D converts and smoothes AC power supplied from the power receiving antenna 21 into DC power, and supplies the DC power to the charging circuit 22E.
  • the charging circuit 22E is a circuit that charges the power supplied from the rectifying and smoothing circuit 22D to a power storage device (not shown) such as a battery.
  • the power storage device includes, for example, a secondary battery such as a lithium ion battery or a nickel metal hydride battery, or a large capacity capacitor.
  • the charging circuit 22E is controlled by the control circuit 23 and performs charging control.
  • the power reception side antenna 21 is an LC resonance coil having an inductance component and a capacitance component, and is magnetically coupled to the power transmission side antenna 11 to receive AC power from the power transmission side antenna 11.
  • FIG. 5 is a circuit block diagram showing a specific example of the matching circuit 12B of the power transmission device 10, and also shows a specific configuration example of the drive circuit 12A.
  • the drive circuit 12A includes, for example, an AC-DC converter 12A1 and an inverter 12A2.
  • AC-DC converter 12A1 includes a diode bridge and a capacitor, and rectifies the power received from AC power supply 16.
  • the inverter 12A2 is a full bridge circuit including a transistor. Each transistor performs a switching operation in accordance with a control signal output from the control circuit 13 (see FIG. 3). Thereby, inverter 12A2 converts the power rectified by AC-DC converter 12A1 into AC power having a desired frequency.
  • the matching circuit 12B includes capacitors C1 to C4, coils L1 to L4, and switches SW1 to SW8. Capacitors C1 to C4 connected in parallel with each other are inserted in series in the transmission line. Each of the coils L1 to L4 connected in parallel to each other is inserted between the transmission lines. The switches SW1 to SW8 are provided corresponding to the capacitors C1 to C4 and the coils L1 to L4, respectively, and switch whether to connect the capacitors and the coils to the transmission line.
  • the control circuit 13 (see FIG. 3) can adjust the values of the inductance and capacitance of the matching circuit 12B by switching each switch on and off.
  • the separation distance (D) between the two antennas varies depending on the positional relationship between the power transmission device 10 and the vehicle 2.
  • the separation distance (D) varies, the mutual inductance changes and the resonance frequency changes.
  • the impedance when the load side is viewed from the power supply unit changes. That is, the impedance of the power transmission side antenna 11 that transmits power to the power reception side antenna 21 connected to the power storage device as a load changes from the drive circuit 12A including the AC power driver that supplies AC power.
  • the non-contact power transmission system of the present embodiment performs the following impedance matching process to compensate for a change in impedance.
  • FIG. 6 is a flowchart of the impedance matching process controlled by the control circuit 13 of the power transmission device 10.
  • the control circuit 13 determines whether or not to start power transmission from the power transmission side antenna 11 to the power reception side antenna 21 (S1). For example, the control circuit 13 determines the start of power transmission based on the detection result transmitted from the in-area detection sensor 15. The control circuit 13 waits until power transmission is started (S1: NO), and performs the subsequent impedance matching process (S1: YES) with the start of power transmission.
  • the control circuit 13 starts control of the inverter 12A2 (S2).
  • the control circuit 13 measures the standing wave ratio with the SWR meter 12C while switching on / off the switches SW1 to SW8 of the matching circuit 12B (S3).
  • the control circuit 13 searches for a combination that minimizes the reflection from the power transmission side antenna 11 among the combinations of the ON / OFF states of the switches, that is, the combinations of the capacitors and coils of the matching circuit 12B.
  • the control circuit 13 employs a combination that minimizes reflection among the combinations of the capacitors and coils of the matching circuit 12B (S4).
  • the control circuit 13 performs on / off control of each switch of the matching circuit 12B with a combination that minimizes reflection, and ends the impedance matching process.
  • the control circuit 13 controls the inverter 12A2 to adjust the frequency of the AC power to the resonance frequency of the power transmission side antenna 11 or the power reception side antenna 21. Then, the control circuit 13 controls the matching circuit 12B under the condition that the reflection from the power transmission side antenna 11 is minimized. Thereby, the impedance of the transmission line can be adjusted according to the change in mutual inductance, and the change in impedance can be compensated. Thus, by performing impedance matching at the resonance frequency of the power transmission side antenna 11 or the resonance frequency of the power reception side antenna 21, frequency control of AC power on the power transmission side according to the separation distance (D) of the antenna becomes unnecessary. High power transmission efficiency can be maintained.
  • the drive circuit 12A is an example of a circuit including an AC power driver, but is not limited to the configuration shown in FIG.
  • the drive circuit 12A may include an amplifier or the like.
  • the resonance frequency of the power transmission side antenna 11 may be determined as an initial value at the time of design, or may be measured by the power transmission device 10.
  • FIG. 5 shows an example in which the matching circuit 12B includes capacitors C1 to C4, coils L1 to L4, and switches SW1 to SW8, but the number of each element is not limited to this. Furthermore, other circuit configurations may be used as long as the values of the inductance and capacitance can be adjusted.
  • FIG. 7 shows a matching circuit 12B-2 as a modification of the matching circuit 12B.
  • the matching circuit 12B-2 includes a variable capacitor C5 and a variable coil L5.
  • the variable capacitor C5 can change the capacitance value based on a control signal from the control circuit 13 (see FIG. 3), and is inserted in series in the transmission line.
  • the variable coil L5 can change the inductance value based on a control signal from the control circuit 13, and is inserted between the transmission lines.
  • control circuit 13 can switch the inductance value of the variable coil L5 and the capacitance value of the variable capacitor C5 to adjust the inductance and capacitance values of the matching circuit 12B-2.
  • control circuit 13 measures the standing wave ratio with the SWR meter 12C while stepwise switching the inductance value of the variable coil L5 and the capacitance value of the variable capacitor C5 in step S3 of the impedance matching process. do it.
  • the present invention is not limited to vehicles, but devices that use electric energy as a power source, such as portable devices such as mobile phones, digital cameras, and notebook computers, stationary devices such as televisions and audio systems, robots, etc. It can also be applied to other industrial equipment, medical equipment, and the like. Furthermore, it is possible to operate only by non-contact power transmission without using the power storage device.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention porte sur un système de transmission d'énergie sans contact, dans lequel système une commande de fréquence d'une alimentation en courant alternatif du côté transmission d'énergie, correspondant à la distance entre des antennes, est éliminée, et un rendement de transmission élevé peut être maintenu. L'invention porte également sur un appareil de transmission d'énergie sans contact. Le système de transmission d'énergie sans contact comporte une antenne côté réception d'énergie, une antenne côté transmission d'énergie, un dispositif de commande d'alimentation en courant alternatif, un circuit d'adaptation et un circuit de commande. L'antenne côté réception d'énergie est montée sur un appareil, et reçoit de l'énergie par couplage électromagnétique. L'antenne côté transmission d'énergie transmet de l'énergie à l'antenne côté réception d'énergie par couplage électromagnétique. Le dispositif de commande d'alimentation en courant alternatif convertit une énergie reçue à partir d'une alimentation électrique en une alimentation en courant alternatif, qui peut être transmise de l'antenne côté transmission d'énergie à l'antenne côté réception d'énergie. Le circuit d'adaptation est disposé entre le dispositif de commande d'alimentation en courant alternatif et l'antenne côté transmission d'énergie, et est apte à ajuster l'impédance d'un trajet de transmission. Le circuit de commande, qui commande le dispositif de commande d'alimentation en courant alternatif et le circuit d'adaptation, effectue une adaptation d'impédance par commande du circuit d'adaptation, dans un état dans lequel le dispositif de commande d'alimentation en courant alternatif est commandé de telle sorte que la fréquence de l'alimentation en courant alternatif est égale à la fréquence de résonance de l'antenne côté transmission d'énergie.
PCT/JP2011/051386 2010-01-26 2011-01-26 Système de transmission d'énergie sans contact et appareil de transmission d'énergie sans contact Ceased WO2011093292A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800071073A CN102725940A (zh) 2010-01-26 2011-01-26 非接触供电系统以及非接触供电装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010014094A JP2011155732A (ja) 2010-01-26 2010-01-26 非接触送電システム、および非接触送電装置
JP2010-014094 2010-01-26

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WO2011093292A1 true WO2011093292A1 (fr) 2011-08-04

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CN102711327A (zh) * 2012-05-25 2012-10-03 天津工业大学 基于无线电能传输技术的led室内台灯
WO2014041655A1 (fr) * 2012-09-13 2014-03-20 トヨタ自動車株式会社 Système d'alimentation en puissance sans contact, dispositif de transmission de puissance utilisé en son sein et véhicule
WO2015032525A1 (fr) * 2013-09-06 2015-03-12 Robert Bosch Gmbh Dispositif destiné au transfert d'énergie par induction et procédé permettant le transfert d'énergie par induction
US9649946B2 (en) 2012-09-13 2017-05-16 Toyota Jidosha Kabushiki Kaisha Vehicle and contactless power supply system for adjusting impedence based on power transfer efficiency
JP2018121388A (ja) * 2017-01-23 2018-08-02 トヨタ自動車株式会社 送電装置及び電力伝送システム

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JP6089464B2 (ja) 2012-06-25 2017-03-08 株式会社豊田自動織機 非接触電力伝送装置
CN103866723A (zh) * 2012-12-13 2014-06-18 芜湖爱瑞特环保科技有限公司 一种磁耦合远距离高效传输机器人扫地车
JP6015491B2 (ja) * 2013-02-26 2016-10-26 トヨタ自動車株式会社 受電装置およびそれを備える車両、送電装置、ならびに電力伝送システム
CN103151853A (zh) * 2013-04-03 2013-06-12 天津工业大学 无线电能传输阻抗自动匹配装置
CN103414255B (zh) * 2013-06-05 2015-06-24 中国人民解放军国防科学技术大学 一种自调谐磁耦合共振无线能量传输系统及其自调谐方法
US10432025B2 (en) 2013-06-28 2019-10-01 Polyvalor, Limited Partnership Smart multicoil inductively-coupled array for wireless power transmission
DE102013219534A1 (de) 2013-09-27 2015-04-02 Siemens Aktiengesellschaft Ladestation für ein elektrisch antreibbares Fahrzeug
KR102207998B1 (ko) * 2014-10-24 2021-01-25 엘에스전선 주식회사 무선 전력 송신 장치 및 무선 전력 전송 시스템
US11183881B2 (en) 2015-09-11 2021-11-23 Yank Technologies, Inc. Injection molding electroplating for three-dimensional antennas
CN108391457B (zh) * 2015-09-11 2022-08-02 扬科技术有限公司 利用三维相位线圈阵列的无线充电平台
CN106961163A (zh) * 2016-01-12 2017-07-18 西安中兴新软件有限责任公司 一种充电控制电路、充电控制方法及移动终端
JP6842885B2 (ja) * 2016-11-11 2021-03-17 日立Ｇｅニュークリア・エナジー株式会社 無線給電装置、及び無線給電方法
JP6297218B1 (ja) * 2017-03-10 2018-03-20 三菱電機エンジニアリング株式会社 共振型電力受信装置
JP7021009B2 (ja) * 2018-06-06 2022-02-16 株式会社Soken 非接触電力伝送システム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001238372A (ja) * 2000-02-24 2001-08-31 Nippon Telegr & Teleph Corp <Ntt> 電力伝送システム、電磁場発生装置及び電磁場受信装置
JP2002152997A (ja) * 2000-11-09 2002-05-24 Nippon Baruufu Kk 高周波形リモート電源供給装置
JP2010130800A (ja) * 2008-11-28 2010-06-10 Nagano Japan Radio Co 非接触型電力伝送システム
JP2011050140A (ja) * 2009-08-26 2011-03-10 Sony Corp 非接触給電装置、非接触受電装置、非接触給電方法、非接触受電方法および非接触給電システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1670289B1 (fr) * 2003-08-19 2009-12-09 Neturen Co., Ltd. Dispositif d'alimentation electrique et dispositif de chauffage par induction
KR20060084955A (ko) * 2005-01-21 2006-07-26 엘지전자 주식회사 다중 모드 이동통신 단말기에 적용되는 안테나 임피던스매칭 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001238372A (ja) * 2000-02-24 2001-08-31 Nippon Telegr & Teleph Corp <Ntt> 電力伝送システム、電磁場発生装置及び電磁場受信装置
JP2002152997A (ja) * 2000-11-09 2002-05-24 Nippon Baruufu Kk 高周波形リモート電源供給装置
JP2010130800A (ja) * 2008-11-28 2010-06-10 Nagano Japan Radio Co 非接触型電力伝送システム
JP2011050140A (ja) * 2009-08-26 2011-03-10 Sony Corp 非接触給電装置、非接触受電装置、非接触給電方法、非接触受電方法および非接触給電システム

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711327A (zh) * 2012-05-25 2012-10-03 天津工业大学 基于无线电能传输技术的led室内台灯
WO2014041655A1 (fr) * 2012-09-13 2014-03-20 トヨタ自動車株式会社 Système d'alimentation en puissance sans contact, dispositif de transmission de puissance utilisé en son sein et véhicule
JPWO2014041655A1 (ja) * 2012-09-13 2016-08-12 トヨタ自動車株式会社 非接触給電システム、ならびにそれに用いられる送電装置および車両
US9649946B2 (en) 2012-09-13 2017-05-16 Toyota Jidosha Kabushiki Kaisha Vehicle and contactless power supply system for adjusting impedence based on power transfer efficiency
US9963040B2 (en) 2012-09-13 2018-05-08 Toyota Jidosha Kabushiki Kaisha Non-contact power supply system, and power transmission device and vehicle used therein
WO2015032525A1 (fr) * 2013-09-06 2015-03-12 Robert Bosch Gmbh Dispositif destiné au transfert d'énergie par induction et procédé permettant le transfert d'énergie par induction
JP2018121388A (ja) * 2017-01-23 2018-08-02 トヨタ自動車株式会社 送電装置及び電力伝送システム

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