WO2014054608A1 - Dispositif d'alimentation en énergie sans contact - Google Patents

Dispositif d'alimentation en énergie sans contact Download PDF

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Publication number
WO2014054608A1
WO2014054608A1 PCT/JP2013/076643 JP2013076643W WO2014054608A1 WO 2014054608 A1 WO2014054608 A1 WO 2014054608A1 JP 2013076643 W JP2013076643 W JP 2013076643W WO 2014054608 A1 WO2014054608 A1 WO 2014054608A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
power
power transmission
transmission coil
unit
Prior art date
Application number
PCT/JP2013/076643
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English (en)
Japanese (ja)
Inventor
成幸 吉田
正希 今野
肇 葛西
菊地　雅彦
Original Assignee
日産自動車株式会社
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Application filed by 日産自動車株式会社 filed Critical 日産自動車株式会社
Publication of WO2014054608A1 publication Critical patent/WO2014054608A1/fr

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    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • 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
    • 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
    • B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • 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
    • H02J50/80—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
    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • 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
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • 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
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/16—Driver interactions by display
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
    • B60M7/003—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway for vehicles using stored power (e.g. charging stations)
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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
    • Y02T10/70—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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T90/12—Electric charging stations
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the present invention relates to a non-contact power feeding device.
  • Non-contact power feeding device that charges a battery mounted on an electric vehicle or the like in a non-contact manner by a power receiving coil provided in the vehicle and a power transmitting coil provided on the ground.
  • efficient charging can be performed by matching the relative positions of the power transmission coil and the power reception coil.
  • a parking assist device that has a camera that captures the rear of the vehicle and assists the alignment of the power transmission coil and the power reception coil during parking based on an image captured by the camera (see Patent Document 1). ).
  • the power transmission coil does not always exist behind the vehicle, and depending on the angle of the vehicle, the power transmission coil (specifically, the casing that houses the power transmission coil) does not appear on the camera and the parking target is confirmed. May be difficult.
  • Some vehicles include an AVM (around view monitor) that captures an image of the surroundings of the vehicle and displays the image obtained by converting the captured image into a bird's-eye view image on the in-vehicle display. Limited to neighborhood. For this reason, for example, when there is a power transmission coil at a slightly distant position behind the vehicle, the driver cannot move the vehicle to the power transmission coil while referring to the AVM, and it is difficult to check the parking target. End up.
  • This invention was made in order to solve such a subject, and the objective is to provide the non-contact electric power feeder which can make confirmation of a parking target easy.
  • the non-contact power feeding device is provided with 1 or 2 provided corresponding to the power feeding coil unit on the side where the vehicle enters when the vehicle is parked, rather than the power feeding coil unit that houses the power feeding coil. Two or more markers are provided.
  • FIG. 1 is a block diagram illustrating a schematic configuration of a non-contact charging system including a non-contact power supply apparatus according to the present embodiment.
  • FIG. 2 is a diagram illustrating an installation state of the non-contact power feeding apparatus according to the present embodiment.
  • FIG. 3 is a schematic diagram illustrating an example of a display image by AVM.
  • Drawing 4 is a figure showing the 1st modification of the installation state of the non-contact electric supply device concerning an embodiment.
  • FIG. 5 is a diagram illustrating a second modification of the installation state of the non-contact power feeding device according to the embodiment.
  • FIG. 6 is a top view for explaining a state in which the vehicle is parked in the parking frame in which the non-contact power feeding device according to the embodiment is installed.
  • the non-contact charging system 1 includes a vehicle-side unit mounted on a vehicle 200 and a non-contact power supply apparatus 100 that is a ground-side unit.
  • the contactless charging system 1 is a system that supplies power from the contactless power supply device 100 to the vehicle-side unit in a contactless manner and charges a battery 28 provided in the vehicle 200.
  • the non-contact power supply apparatus 100 is installed in a power supply stand or a parking lot.
  • the non-contact power supply apparatus 100 supplies power from the power transmission coil 12 to the power receiving coil 22 described later by non-contact power supply in a state where the vehicle 200 is parked at a predetermined parking position.
  • the non-contact power supply apparatus 100 includes a power control unit 11, a power transmission coil 12, a wireless communication unit 14, and a control unit 15.
  • the power control unit 11 is a circuit for converting AC power transmitted from the AC power source 300 into high-frequency AC power and transmitting the AC power to the power transmission coil 12.
  • the power control unit 11 includes a rectification unit 111, a PFC (Power Factor Correction) circuit 112, an inverter 113, and a sensor 114.
  • PFC Power Factor Correction
  • the rectifying unit 111 is a circuit that is electrically connected to the AC power supply 300 and rectifies the output AC power from the AC power supply 300.
  • the PFC circuit 112 is a circuit for improving the power factor by rectifying the output waveform from the rectifying unit 111, and is connected between the rectifying unit 111 and the inverter 113.
  • the inverter 113 is a power conversion circuit including a PWM control circuit having a smoothing capacitor and a switching element such as an IGBT.
  • the inverter 113 converts the DC power into high-frequency AC power based on the switching control signal from the control unit 15 and supplies it to the power transmission coil 12.
  • the sensor 114 is connected between the PFC circuit 112 and the inverter 113, and detects a current and a voltage flowing between the PFC circuit 112 and the inverter 113.
  • the power transmission coil 12 is a coil for supplying power in a non-contact manner to the power reception coil 22 mounted on the vehicle 200, and is wound in a circular shape in a direction parallel to the road surface in the parking space.
  • the power transmission coil 12 is provided in the parking space. Specifically, the power transmission coil 12 is provided so as to be positioned directly below the power reception coil 22 while keeping a distance from the power reception coil 22 when the vehicle 200 is parked at an appropriate parking position in the parking space. .
  • the wireless communication unit 14 performs bidirectional communication with the wireless communication unit 24 mounted on the vehicle 200.
  • the communication frequency between the wireless communication unit 14 and the wireless communication unit 24 is set to a frequency higher than the frequency used in the vehicle peripheral device in consideration of interference with the vehicle peripheral device such as an intelligent key (registered trademark). Has been.
  • a communication method suitable for a long distance such as various wireless LAN methods is used.
  • the control part 15 controls the non-contact electric power feeder 100 whole. Specifically, the control unit 15 controls the power control unit 11 and the wireless communication unit 14. The control unit 15 transmits a control signal for starting power supply from the non-contact power supply device 100 to the vehicle 200 side by communication between the wireless communication unit 14 and the wireless communication unit 24, or from the vehicle 200 side. A request signal for receiving power from the non-contact power supply apparatus 100 is received. The control unit 15 performs switching control of the inverter 113 based on the detection current of the sensor 114 and controls electric power transmitted from the power transmission coil 12.
  • the vehicle 200 includes a power receiving coil 22, a wireless communication unit 24, a control unit 25, a rectifying unit 26, a relay unit 27, a battery 28, an inverter 29, and a motor 30 as a vehicle side unit.
  • the power receiving coil 22 is a coil that receives power in a non-contact manner from the power transmission coil 12 of the non-contact power feeding apparatus 100.
  • the power receiving coil 22 is provided between the bottom surface of the vehicle 200, particularly between the rear wheels.
  • the power reception coil 22 is wound in a circular shape in a direction parallel to the road surface in the parking space.
  • the power receiving coil 22 is provided so as to be positioned immediately above the power transmission coil 12 while maintaining a distance from the power transmission coil 12 when the vehicle 200 is parked at an appropriate parking position in the parking space.
  • the wireless communication unit 24 performs bidirectional communication with the wireless communication unit 14 provided on the non-contact power supply apparatus 100 side.
  • the rectifying unit 26 is connected to the power receiving coil 22 and is configured by a rectifying circuit that rectifies AC power received by the power receiving coil 22 into direct current.
  • the relay unit 27 includes a relay switch that is switched on and off under the control of the control unit 25. By turning off the relay switch, the high-power system including the battery 28, the power receiving coil 22 that serves as a charging circuit unit, and the rectification unit 26.
  • the battery 28 serves as a power source for the vehicle 200, and is configured by connecting a plurality of secondary batteries.
  • the inverter 29 is a control circuit such as a PWM control circuit having a switching element such as an IGBT, converts DC power output from the battery 28 into AC power based on the switching control signal, and supplies the AC power to the motor 30.
  • the motor 30 is composed of, for example, a three-phase AC motor, and is a drive source for driving the vehicle 200.
  • the control unit 25 controls the charging of the battery 28 and the wireless communication unit 24.
  • the control unit 25 transmits a signal for starting charging to the control unit 15 of the non-contact power supply apparatus 100 via the wireless communication unit 24 and the wireless communication unit 14.
  • the control part 25 is connected with the controller which controls the vehicle 200 whole which is not shown in figure by a CAN communication network.
  • the controller manages the switching control of the inverter 29 and the state of charge (SOC) of the battery 22. Further, the control unit 25 determines whether or not the full charge has been reached based on the SOC of the battery 22, and when the full charge has been reached, the control unit 25 outputs a signal indicating that the charge is to be terminated. 15 to send.
  • high-frequency power is transmitted and received between the power transmission coil 12 and the power receiving coil 22 in a non-contact state by electromagnetic induction.
  • electromagnetic induction when a voltage is applied to the power transmission coil 12, magnetic coupling occurs between the power transmission coil 12 and the power reception coil 22, and power is supplied from the power transmission coil 12 to the power reception coil 22.
  • the camera 200 and the display unit 32 are mounted on the vehicle 200.
  • the camera 31 images the rear of the vehicle 200.
  • the control unit 25 processes the image captured by the camera 31 and transmits the image information to the display unit 32.
  • the display unit 32 is a display provided at a position where the driver can visually recognize, and provides the driver with an image behind the vehicle based on image information from the control unit 25.
  • the non-contact power feeding apparatus 100 has the following configuration.
  • FIG. 2 shows an arrangement state of the non-contact power feeding apparatus 100 according to the present embodiment.
  • the non-contact power feeding device 100 includes a power feeding device main body 101 and a power transmission coil unit 102.
  • the power supply apparatus main body 101 houses the power control unit 11, the wireless communication unit 14, the control unit 15, and the like illustrated in FIG.
  • the power transmission coil unit 102 is a housing that houses at least the power transmission coil 12 illustrated in FIG. 1. Because of this configuration, when charging the battery 28, the driver needs to park the vehicle 200 in the parking space so that the power receiving coil 22 is positioned on the power transmitting coil unit 102.
  • control unit 25 of the vehicle 200 determines whether the vehicle 200 has approached the non-contact power supply apparatus 100 based on, for example, GPS information and map information.
  • the control unit 25 of the vehicle 200 activates the wireless communication unit 24 so that it can communicate with the wireless communication unit 14 of the non-contact power supply device 100.
  • the control unit 25 of the vehicle 200 transmits a signal for establishing a link from the wireless communication unit 24 to the wireless communication unit 14.
  • the control part 15 of the non-contact electric power feeder 100 sends back the signal to the effect that the said signal was received from the wireless communication part 14 to the wireless communication part 24. Thereby, a link is established between the wireless communication unit 14 and the wireless communication unit 24.
  • control unit 25 of the vehicle 200 transmits the ID of the vehicle 200 to the control unit 15 of the non-contact power feeding apparatus 100 through communication between the wireless communication unit 14 and the wireless communication unit 24.
  • the control unit 15 of the contactless power supply device 100 performs ID authentication by determining whether or not the ID transmitted from the vehicle 200 side matches the ID registered in advance.
  • the ID of the vehicle 200 that can be supplied with power is registered in the contactless power supply apparatus 100 in advance. For this reason, only the vehicle 200 that matches the registered ID can be powered by the above ID authentication.
  • the non-contact charging system 1 is not limited to this, and may be without ID authentication.
  • an image from the camera 31 is provided to the display unit 32 during establishment of wireless communication and ID authentication. For this reason, the driver can park while referring to the image.
  • the control unit 15 controls the inverter 113 to supply high frequency power to the power transmission coil 12. Thereby, charging is performed via the power receiving coil 22.
  • control unit 25 of vehicle 200 determines whether battery 28 has reached full charge. When it is determined that full charge has been reached, the control unit 25 of the vehicle 200 transmits a signal indicating that full charge has been reached to the non-contact power supply apparatus 100, and the control unit 15 ends power supply based on the signal. On the other hand, when it is determined that the battery is not fully charged, power supply is continued.
  • the power transmission coil unit 102 cannot be captured by the camera 31, and parking assistance as shown in Patent Document 1 is not possible.
  • the driver cannot confirm the power transmission coil unit 102 from the image.
  • the vehicle 200 is provided with a camera 31 in front and on the side of the vehicle 200 and displays an around view, the AVM display range is limited to the vicinity of the vehicle periphery. The coil unit 102 cannot be displayed. In such a case, it becomes difficult for the driver to confirm the parking target.
  • the non-contact power feeding apparatus 100 includes a marker M.
  • the marker M is provided in correspondence with the power transmission coil unit 102 on the side where the vehicle enters when the vehicle is parked, rather than the power transmission coil unit 102.
  • the marker M is composed of, for example, a light emitter such as an LED, a mark drawn on a road surface, a three-dimensional structure, and the like. Needless to say, the three-dimensional structure has a height that can be buried under the vehicle 200. Further, the marker M is “provided corresponding to the power transmission coil unit 102”, which means that the marker M is provided to indicate the presence of the power transmission coil unit 102.
  • the driver can mark the power transmission coil unit 102 even when the power transmission coil unit 102 is not present in the image, for example.
  • the vehicle 200 can be moved toward the power transmission coil unit 102.
  • FIG. 3 shows an image displayed by AVM.
  • the display area is limited to the vicinity of the vehicle 200 as shown in FIG. For this reason, the power transmission coil unit 102 does not exist in the image.
  • the non-contact power feeding apparatus 100 according to the present embodiment includes the marker M, the marker M is present in the image as shown in FIG. 3, and the parking target can be easily confirmed.
  • the vehicle 200 that includes the camera 31 and provides an image captured by the camera 31 from the display unit 32 to the driver is described.
  • the parking target can be easily confirmed not only for this but also for a vehicle that does not include the camera 31.
  • the marker M is composed of a light emitter such as an LED
  • the power transmission coil unit 102 itself is difficult to see at night or during rain, making it difficult to confirm the parking target.
  • the confirmation can be facilitated by the light emission of the marker M.
  • the marker M is provided on the vehicle entry side during parking than the power transmission coil unit 102. For this reason, even if the power transmission coil unit 102 is hidden by another vehicle, the marker M may be confirmed. For this reason, it is possible to facilitate the confirmation of the parking target.
  • the marker M is provided at a position farther forward than the power transmission coil unit 102 in the longitudinal direction of the parking frame S for parking the vehicle. For this reason, the driver who referred to the marker M can move the vehicle 200 toward the power transmission coil unit 102 by moving the vehicle 200 to the rear of the parking frame S from the position of the marker M, and confirming the parking target. Further simplification can be achieved.
  • FIG. 4 is a diagram illustrating a first modification of the installation state of the contactless power supply apparatus 100 according to the present embodiment
  • FIG. 5 is a second modification of the installation state of the contactless power supply apparatus 100 according to the present embodiment.
  • FIG. 4 two or more markers M may be provided continuously from the power transmission coil unit 102 along the front side in the longitudinal direction of the parking frame S.
  • the marker M may have a long shape, and may be continuously provided from the power transmission coil unit 102 along the front side in the longitudinal direction of the parking frame S. In other words, it may have a linear shape extending from the power transmission coil unit 102 in the longitudinal direction of the parking frame S.
  • the driver moves the vehicle 200 along the continuous marker M, thereby moving the vehicle 200 toward the power transmission coil unit 102 without referring to the parking frame S or the like.
  • the confirmation of the parking target can be further facilitated.
  • FIG. 6 is a top view for explaining an outline of parking of the vehicle 200.
  • the vehicle 200 enters the parking lot as shown in FIG.
  • the other vehicle 400 becomes a shadow and the power transmission coil unit 102 cannot be confirmed, but the marker M can be confirmed. For this reason, it is possible to facilitate the confirmation of the parking target.
  • the driver tries to park the vehicle 200 in the parking frame S and proceeds forward while making a slight left turn.
  • the marker M exists within the viewing angle of the camera 31, but the power transmission coil unit 102 may not exist.
  • the marker M can be confirmed from the image displayed on the display unit 32, the parking target can be easily confirmed.
  • the driver tries to park the vehicle 200 at an appropriate position by moving the vehicle 200 backward as shown in FIG.
  • the driver tries to park the vehicle 200 at an appropriate position by moving the vehicle 200 backward as shown in FIG.
  • the driver tries to park the vehicle 200 at an appropriate position by moving the vehicle 200 backward as shown in FIG.
  • the driver can be informed that the power transmission coil unit 102 exists in a continuous direction.
  • the confirmation of the parking target can be further facilitated.
  • the marker M is provided corresponding to the power transmission coil unit 102 on the vehicle approach side at the time of parking than the power transmission coil unit 102. .
  • the driver can refer to the marker M that serves as a mark for the power transmission coil unit 102. Therefore, since the driver can know the presence of the power transmission coil unit 102, it is possible to facilitate the confirmation of the parking target.
  • the marker M is provided at a position away from the power transmission coil unit 102 to the front side in the longitudinal direction of the parking frame S, the driver who refers to the marker M transmits power from the position of the marker M to the rear of the parking frame S. It can be known that the coil unit 102 exists. Therefore, it is possible to further facilitate the confirmation of the parking target.
  • the driver Since two or more markers M are continuously provided from the power transmission coil unit 102 along the longitudinal direction of the parking frame S, the driver has the power transmission coil unit 102 in the direction in which the markers M are continuous. I can know that. Therefore, it is possible to further facilitate the confirmation of the parking target. Moreover, by moving the vehicle 200 along the continuous marker M, the vehicle can be moved toward the power transmission coil unit 102 without referring to the parking frame S or the like.
  • the marker M is configured to be visible with the naked eye.
  • the marker M is not limited to this, and is not visible with the naked eye, but is visible with the image displayed on the display unit 32. It may be.
  • the driver refers to the marker M that serves as a mark for the power transmission coil unit 102.
  • the existence of the power transmission coil unit 102 can be known. Therefore, confirmation of the parking target can be facilitated. Therefore, the non-contact power feeding apparatus according to the embodiment of the present invention has industrial applicability.
  • Non-contact electric power feeder 102
  • Power transmission coil unit 12
  • Power transmission coil 200
  • Vehicle 22
  • Power reception coil 31
  • Camera 32
  • Display part M Marker S Parking frame

Abstract

La présente invention concerne un dispositif d'alimentation en énergie sans contact qui est doté d' une bobine de transmission d'énergie (12) qui transmet de l'énergie d'une manière sans contact par couplage magnétique à une bobine de réception d'énergie (22) prévue dans un véhicule (200) ; d'une unité de bobine de transmission d'énergie (102) qui abrite la bobine de transmission d'énergie (12) ; et d'un ou plusieurs repères (M) prévus pour correspondre à l'unité de bobine d'alimentation en énergie (102) du côté duquel le véhicule (200) entre lorsque le véhicule (200) est garé, par rapport à l'unité de bobine de transmission d'énergie (102).
PCT/JP2013/076643 2012-10-03 2013-10-01 Dispositif d'alimentation en énergie sans contact WO2014054608A1 (fr)

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JP2012-220874 2012-10-03
JP2012220874A JP2015232199A (ja) 2012-10-03 2012-10-03 非接触給電装置

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RU2719089C1 (ru) * 2016-05-18 2020-04-17 Ниссан Мотор Ко., Лтд. Устройство помощи при парковке и способ помощи при парковке
JP7091798B2 (ja) 2018-04-13 2022-06-28 トヨタ自動車株式会社 車両充電システム、及び車両充電システムの認証方法
CN110509792B (zh) * 2019-08-29 2020-11-24 安洁无线科技（苏州）有限公司 基于自动泊车的无线充电对准方法、计算机可读存储介质及系统

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JP2010195265A (ja) * 2009-02-26 2010-09-09 Toyota Motor Corp 駐車設備
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JP2010226945A (ja) * 2009-02-25 2010-10-07 Maspro Denkoh Corp 移動体の電力供給システム
JP2010195265A (ja) * 2009-02-26 2010-09-09 Toyota Motor Corp 駐車設備

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WO2016091343A1 (fr) * 2014-12-13 2016-06-16 Daimler Ag Procédé de charge d'un accumulateur d'énergie dans un véhicule automobile, indiquant un état "prêt à charger", et système de charge

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