WO2010098397A1 - Système d'alimentation électrique pour unité mobile - Google Patents

Système d'alimentation électrique pour unité mobile Download PDF

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Publication number
WO2010098397A1
WO2010098397A1 PCT/JP2010/052995 JP2010052995W WO2010098397A1 WO 2010098397 A1 WO2010098397 A1 WO 2010098397A1 JP 2010052995 W JP2010052995 W JP 2010052995W WO 2010098397 A1 WO2010098397 A1 WO 2010098397A1
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WO
WIPO (PCT)
Prior art keywords
power
power supply
unit
power receiving
moving body
Prior art date
Application number
PCT/JP2010/052995
Other languages
English (en)
Japanese (ja)
Inventor
順 植村
重光 鳥山
正明 長瀬
Original Assignee
マスプロ電工株式会社
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Filing date
Publication date
Application filed by マスプロ電工株式会社 filed Critical マスプロ電工株式会社
Publication of WO2010098397A1 publication Critical patent/WO2010098397A1/fr

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Classifications

    • 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
    • H01M10/44—Methods for charging or discharging
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by 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
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • 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

Definitions

  • the present invention relates to a power supply system that performs non-contact power supply to a moving body.
  • an electric vehicle as a representative example of a moving body is configured such that when charging a battery provided in the electric vehicle, the connector of the charger cable is connected to the electric vehicle in a facility provided with the charger. It was necessary to insert the battery into the connector provided for charging, and the trouble for that was troublesome.
  • a primary coil is provided on a vehicle base that can park an automobile, and a secondary coil that receives power from the primary coil by electromagnetic induction on the automobile side, and a charging means that charges the battery with the received power from the secondary coil.
  • a non-contact type power supply system configured to automatically start charging the battery when the automobile is parked on the vehicle stand has been proposed (see, for example, Patent Document 1). .
  • weights are provided at four locations corresponding to the tires of the automobile on the vehicle base.
  • the vehicle detection unit is configured to perform communication for starting power supply between the vehicle side device and the vehicle side device, and from the vehicle side to the vehicle. The power supply is started.
  • a vehicle stand provided with a primary coil and a weight sensor is installed in a parking space of the vehicle, such as parking, and a car is parked on the vehicle stand.
  • a parking space of the vehicle such as parking
  • a car is parked on the vehicle stand.
  • the proposed power supply system is configured to generate power for battery charging on the secondary coil side by electromagnetic induction between the primary coil and the secondary coil, the battery is efficiently charged. Therefore, when the automobile is parked on the vehicle base, the primary coil provided on the vehicle base and the secondary coil provided on the bottom surface of the automobile need to face each other.
  • the present invention has been made in view of such problems, and in a power supply system that performs power supply to a moving body in a non-contact manner, the driver moves the moving body and places the moving body on a mounting table such as a vehicle base. It is an object of the present invention to make it possible to easily face the power feeding means provided on the mounting table and the power receiving means provided on the moving body when mounting.
  • a power supply device provided with a power supply unit that is provided on a mounting table on which the moving body can be mounted and that supplies power to the moving body mounted on the mounting table in a contactless manner; Provided in the movable body that can be placed on the mounting table, charging means for charging the power storage means mounted on the moving body, and when the moving body is placed on the mounting table, the power supply
  • a power receiving device comprising: a power receiving means for receiving power from the means in a non-contact manner and supplying the received power to the charging means;
  • a mobile power supply system comprising: On the mounting table side, a guiding unit for guiding the moving body to an optimum position optimal for supplying power from the power feeding unit to the power receiving unit is disposed, Guidance that guides the driver to move the moving body to the optimum position by detecting the guiding means arranged on the mounting table and notifying the driver of the detection result. Means is provided.
  • the power receiving device is: Power-receiving-side communication means for performing wireless communication with the power supply device; When charging to the power storage means is necessary, a power receiving side control means for transmitting a charge request signal from the power receiving side communication means; With The power supply device Power supply side communication means for performing wireless communication with the power receiving device; When the charging request signal is received by the power supply side communication means, power supply side control means for starting power supply from the power supply means to the power reception means; It is provided with.
  • the power supply side control means transmits a reference position signal from the power supply side communication means,
  • the power receiving side control means permits transmission of the charge request signal when the power receiving side communication means receives the reference position signal, and the power receiving side communication means receives the reference position signal. Otherwise, transmission of the charge request signal is prohibited.
  • the power receiving device is provided with a stop state detecting means for detecting a stop state of movement of the moving body,
  • the power receiving side control means permits transmission of the charge request signal when the movement stop state of the moving body is detected by the stop state detection means, and the stop state of the moving body is allowed by the stop state detection means. If not detected, transmission of the charge request signal is prohibited.
  • the power supply device A power feeding side movable means for moving the power feeding means between a first position stored in the mounting table and a second position approaching a bottom surface of the moving body mounted on the mounting table;
  • the power supply side control means moves the power supply means from the first position to the second position via the power supply side movable means when the charge request signal is received by the power supply side communication means.
  • the power supply from the power feeding unit to the power receiving unit is started.
  • the power receiving device includes a received power detection unit that detects a magnitude of received power output from the power receiving unit to the charging unit,
  • the power receiving side control means is configured to transmit the detection result of the received power by the received power detection means in addition to the charge request signal via the power receiving side communication means,
  • the power feeding side movable means is configured to be able to move the power feeding means in a surface direction along a surface facing the power receiving means,
  • the power feeding side control unit starts feeding power from the power feeding unit to the power receiving unit
  • the power feeding side control unit receives the power feeding side communication unit while moving the power feeding unit in the surface direction via the movable unit. A position where the received power is maximized is detected based on a detection result of the received power, and the movement of the power supply unit is stopped at the detected position.
  • the power receiving device is: A power receiving side movable means for moving the power receiving means between a first position housed in the moving body and a second position protruding from the bottom surface of the moving body toward the mounting table;
  • the power receiving side control unit starts transmission of the charging desired signal and moves the power receiving unit from the first position to the second position via the power receiving side movable unit. It is moved to a position.
  • the power receiving device includes a received power detection unit that detects a magnitude of received power output from the power receiving unit to the charging unit,
  • the power receiving side movable means is configured to be able to move the power receiving means also in a surface direction along a surface facing the power feeding means,
  • the power receiving side control means moves the power receiving means from the first position to the second position via the power receiving side movable means, and then moves the power receiving means in the surface direction via the power receiving side movable means. While moving, the position where the received power detected by the received power detection means becomes maximum is detected, and the movement of the power receiving means is stopped at the detected position.
  • the optimal position optimal for supplying power from the power supply means of the mounting base to the power receiving means of the mobile body is placed on the mounting base side of the mobile body provided with the power supply device. Guiding means for guiding the moving body is arranged.
  • the power receiving apparatus of the moving body is provided with a guiding means for guiding the driver to move the moving body to the optimum position by detecting the guiding means and notifying the driver of the detection result. It has been.
  • the power feeding means and the power receiving means face each other to supply power.
  • the moving body can be guided through the guide means so that the optimum position is obtained.
  • the driver can stop the moving body at the optimum position on the mounting table even if the relative position between the power feeding means and the power receiving means cannot be confirmed, and then when power supply is started, It becomes possible to efficiently supply power from the power feeding means to the power receiving means.
  • an operation switch for instructing the start of power supply is provided on the mounting table side (in other words, the power supply device side).
  • the driver may stop the moving body on the mounting table, and then operate the operation switch to start the power supply from the power supply means to the power reception means.
  • the power receiving device on the mobile body side is provided with power receiving side communication means and power receiving side control means, and the power supply device on the mounting table side is provided with power feeding side communication means. It is preferable to provide power supply side control means.
  • the power receiving side control means when the power receiving device side needs to charge the power storage means, the power receiving side control means causes the power receiving side communication means to transmit a charge request signal. On the power supply device side, when the charge request signal is received by the power supply side communication unit, the power supply side control unit starts supplying power from the power supply unit to the power reception unit.
  • the power supply side communication unit when the moving body is mounted on the mounting table and the power supply side communication unit receives the power reception request signal from the power reception side communication unit, the power reception unit receives the power reception unit.
  • the power supply to the vehicle is automatically started, and the driver of the moving body can charge the power storage means simply by moving the moving body onto the mounting table.
  • the power supply side control means causes the reference position signal to be transmitted from the power supply side communication means, and on the power reception side control means side, the reference position signal is received by the power reception side communication means. Is normally received, the transmission of the charge request signal is permitted, and if the reference position signal is not received by the power receiving side communication means, the transmission of the charge request signal may be prohibited.
  • the power receiving side signal is transmitted from the power receiving side communication means to the power feeding side communication means, and the power feeding means receives the power.
  • a charge request signal is transmitted from the power receiving side communication means, It is possible to prevent the power supply from starting.
  • the power receiving device on the mobile body side is provided with stop state detection means for detecting the movement stop state of the mobile body, and the power receiving side control means When the movement detection state of the moving body is detected by the state detection means, transmission of a charge request signal is permitted. When the stop state of the movement body is not detected by the stop state detection means, transmission of a charge request signal is transmitted. Should be prohibited.
  • the power is supplied from the power supply means to the power reception means by moving the moving body to the optimum position as described above.
  • the efficiency of power supply may be reduced due to the space.
  • the supply device or the power receiving device may be provided with a movable unit that moves the power supply unit or the power reception unit, and the power supply unit to the power reception unit may be configured such that the interval between them is narrowed.
  • the power supply device includes a power supply unit that includes a first position stored on the mounting table and a second position that approaches the bottom surface of the moving body mounted on the mounting table. Power supply side movable means for moving between the positions is provided.
  • the power supply side control means moves the power supply means from the first position to the second position via the power supply side movable means, and then from the power supply means. Power supply to the power receiving means is started.
  • the power receiving device includes a first position where the power receiving means is housed in the moving body, and a second position where the power receiving means protrudes from the bottom surface of the moving body toward the mounting table. Power receiving side movable means for moving between the two is provided.
  • the power reception side control means starts transmission of the charge request signal and moves the power reception means from the first position to the second position via the power reception side movable means. .
  • the power supply means or the power reception means is moved from the first position to the second position when supplying power from the power supply means to the power reception means. Even if the interval between the power feeding means and the power receiving means is narrowed, they do not always face each other at the optimum position at which power can be supplied most efficiently. Deviation from the optimum position is also conceivable due to variations in the position and the installation position of the power feeding means or the power receiving means.
  • the power supply system according to the fifth aspect or the seventh aspect of the present invention is further changed to the sixth aspect or the fifth aspect of the present invention. It is good to comprise like the electric power supply system of 8 aspects.
  • the power receiving device is provided with received power detection means for detecting the magnitude of the received power output from the power receiving means to the charging means.
  • the means is configured to transmit the detection result of the received power by the received power detection means in addition to the charge request signal via the power receiving side communication means.
  • the power supply side movable means provided in the power supply device is configured to be able to move the power supply means also in the surface direction along the surface facing the power receiving means. Then, when the power feeding side control means starts feeding power from the power feeding means to the power receiving means, the detection result of the received power received by the power feeding side communication means while moving the power feeding means in the surface direction via the movable means The position where the received power is maximized is detected based on the above, and the movement of the power feeding means is stopped at the detected position.
  • the power supply unit not only can the power supply unit be moved from the first position to the second position to narrow the interval between the power supply unit and the power reception unit, but also the power supply unit. Is moved along the surface facing the power receiving means to detect the optimum position of the power feeding means that can supply power most efficiently to the power receiving means, and stop the power feeding means at the optimum position. Can do.
  • the relative position between the power feeding means and the power receiving means is controlled to the optimum position where power can be supplied most efficiently, thereby further improving power feeding efficiency. be able to.
  • the power receiving device detects the magnitude of the received power output from the power receiving means to the charging means. Received power detection means is provided.
  • the power receiving side movable means is configured to be able to move the power receiving means also in the surface direction along the surface facing the power feeding means, and the power receiving side control means connects the power receiving means to the first via the power receiving side movable means.
  • the position is moved from the second position to the second position, the position where the received power detected by the received power detection means is maximized while the power receiving means is moved in the plane direction via the power receiving side movable means, The movement of the power receiving means is stopped at the detection position.
  • the power receiving means not only can the power receiving means be moved from the first position to the second position to narrow the interval between the power feeding means and the power receiving means, but also the power receiving means. Is moved along the surface facing the power supply means, the optimal position of the power reception means that can receive power supply from the power supply means most efficiently is detected, and the power reception means is stopped at the optimal position. it can.
  • the relative position between the power supply means and the power reception means can be supplied most efficiently.
  • the power feeding efficiency can be further improved.
  • FIG. 1 is a perspective view illustrating a schematic configuration of a power supply system according to a first embodiment. It is a block diagram showing the structure of the electric power supply system of 1st Embodiment. It is explanatory drawing showing the structural example of a positioning marker. It is explanatory drawing explaining the guidance method of the motor vehicle to a parking space. It is a block diagram showing the structure of a receiving side communication part. It is explanatory drawing showing the structure at the time of using a power feeding side transmission part and a power receiving side receiving part for optical communications. It is a flowchart showing the control processing performed with the control apparatus of a receiving side and electric power feeding side. It is a block diagram showing the structure of the electric power supply system of 2nd Embodiment.
  • the power supply system of the present embodiment uses a parking space 3 for parking a car as a mounting table, and an electric vehicle 2 (hereinafter simply referred to as a vehicle) parked in the parking space 3. It is for automatically supplying electric power, and includes an electric power receiving device 20 mounted on the vehicle 2 and an electric power supply device 30 provided in the parking space 3.
  • the electric power receiving apparatus 20 is provided with the electric power receiving part 21 arrange
  • the parking space 3 is configured so that the driver of the vehicle can be identified by the left and right partition lines 5a and 5b formed on the road surface 1.
  • a car stop 6a, 6b is fixed.
  • a positioning marker 18 for guiding to a predetermined position 3 is arranged.
  • the power receiving device 20 mounted on the vehicle 2 is mounted on the vehicle 2 with the power received by the power receiving unit 21 in addition to the power receiving unit 21 provided on the bottom surface of the vehicle 2.
  • a charging circuit 22 for charging the main battery 23 is provided.
  • the power receiving unit 21 includes a secondary coil 21a formed by winding a conductive wire made of a metal or the like, and a base 21b serving as a support member for the secondary coil 21a. Is mounted on the vehicle 2 by fixing it to the bottom surface of the vehicle 2.
  • the base 21 is comprised with the insulating member (for example, synthetic resin).
  • the main battery 23 is comprised by the lithium ion battery etc. which can be charged repeatedly, for example.
  • the main battery 23 is for supplying electric power to a motor 25 that is a power source of the vehicle 2, and is connected to the motor 25 via a driver circuit 24 that is controlled by a motor control device (not shown). .
  • the charging circuit 22 converts the AC power output from the secondary coil 21a into DC, and supplies the converted AC power to the main battery 23 to charge the main battery 23, so-called AC. -Consists of a DC converter.
  • the main battery 23 has a built-in sensor (not shown) for detecting voltage, current, temperature, and the like.
  • the detection signal from this sensor is input to the processing unit 7 together with the detection signal from the vehicle state and surrounding environment detection sensors provided in each part of the vehicle 2 and the reception signal input from the communication unit 28a described later. Is done.
  • the processing unit 7 performs signal processing on each of these input signals and outputs the processed signal to the power receiving side control device 26.
  • display data By converting the data into the data and outputting it to the display unit 8, various data are displayed on the display unit 8.
  • the display part 8 is comprised with the liquid crystal display etc., is provided in the front of the driver's seat of the vehicle 2, and is utilized in order to alert
  • the power receiving side control device 26 is constituted by a microcomputer, and executes control processing for charging the main battery 23 from the power receiving unit 21 via the charging circuit 22 based on the input data from the processing unit 7. To do. This control process will be described later.
  • the power receiving side control device 26 and the display unit 8 are supplied with power from the sub battery 9 mounted on the vehicle 2 so that the power receiving side control device 26 and the display unit 8 can operate even when the power supply from the main battery 23 is cut off when the vehicle 2 is stopped.
  • the sub battery 9 is appropriately charged with regenerative electric power or the like generated when the vehicle 2 is braked.
  • the power receiving device 20 is provided at the rear of the vehicle 2 and is provided at the rear of the vehicle 17 for capturing a rear image including the positioning marker 18 described above.
  • a transmission unit 27b and a reception unit 28b for performing wireless communication with the reception unit 38b and the transmission unit 37b disposed behind the parking space 3 are provided.
  • the camera 17 is configured by a so-called CCD camera or the like, and is connected to the display unit 8. And the display part 8 operates the camera 17 at the time of back travel of the vehicle 2, and displays the back image obtained from the camera 17 on a display screen.
  • the transmitting unit 27b is connected to the power receiving side control device 26 via the communication unit 27a, and the signal output from the power receiving side control device 26 and modulated by the communication unit 27a for wireless communication is parked.
  • the data is transmitted toward the receiving unit 38b installed behind the space 3.
  • the receiving unit 28b is connected to the processing unit 7 via the communication unit 28a, receives a transmission signal from the transmission unit 37b installed behind the parking space 3, and outputs the transmission signal to the communication unit 28a. Then, the communication unit 28 a demodulates the reception signal from the reception unit 28 b and outputs the demodulated signal to the processing unit 7.
  • the power feeding device 30 provided on the parking space 3 side demodulates received signals from the power feeding side control device 36 and the receiving unit 38b in addition to the power feeding unit 31, the receiving unit 38b and the transmitting unit 37b described above.
  • the power feeding unit 31 includes a primary coil 31a formed by winding a conducting wire made of a metal or the like, and an insulating base 31b serving as a support member for the primary coil 31a.
  • the primary coil 31a is connected to a drive circuit 32 that receives AC power taken from a commercial power supply via the AC outlet 12 and generates a pulse signal having a predetermined cycle. For this reason, an alternating current flows through the primary coil 31a by this pulse signal, and electric power is supplied to the secondary coil 31a on the vehicle 2 side by an electromagnetic induction effect generated by the alternating current.
  • a switch 33 is provided between the AC outlet 12 and the drive circuit 32, and the power supply side control device 36 parks the vehicle 2 in which the power receiving device 20 is mounted in the parking space 3, and receives it.
  • the switch 33 is closed and the drive circuit 32 is operated.
  • the power supply side control device 36 is configured by a microcomputer, as is the power reception side control device 26.
  • the AC outlet 12 is also connected to a power supply unit that generates a power supply voltage (direct current) for driving an internal circuit using AC power input through the AC outlet 12.
  • the positioning marker 18 is made in a size that can be imaged by the camera 17, and the pattern of the marker is displayed when the captured image is displayed on the display unit 8 as illustrated in FIG. 3.
  • at least one specific point of the pattern (the intersection 18a in the example of (a) and the black circle 18a in the example of (b)) is designed to be clear.
  • the position where the vehicle 2 is stopped is substantially determined by the vehicle stops 6a and 6b on the rear side, but the left and right sides are within the partition lines 5a and 5b. Is determined at an arbitrary position. Therefore, in the parking space 3, the position in the front-rear direction is substantially determined by the car stops 6a and 6b, but the position in the left-right direction varies.
  • the display unit 8 displays a rear image captured by the camera 17. While confirming the position of the positioning marker 18 displayed on the vehicle 2, the vehicle 2 can be moved backward, and the vehicle 2 can enter the parking space 3 while appropriately adjusting the position of the vehicle 2 in the left-right direction. become.
  • the reference cursor 8a is displayed on the screen 8b of the display unit 8, and the vehicle 2 is moved to a predetermined position (with the power feeding unit 31 and the parking space 3).
  • the power receiving unit 21 is stopped at a position where the power receiving unit 21 is substantially directly opposed, the images of the reference cursor 8a and the specific point 18a of the positioning marker 18 overlap each other.
  • the specific point 18a of the positioning marker 18 displayed on the display unit 8 is the reference cursor.
  • the vehicle 2 can be quickly and easily parked at a predetermined position while suppressing variations in the range of the parking space 3 in the left-right direction.
  • the driver can easily determine whether it is shifted to the left or right simply by looking at the display screen of the display unit 8. For example, even if the presence of the power feeding unit 31 and the power receiving unit 21 is not visible, the correction of the shift is possible. Can be easily performed.
  • the camera 17 and the positioning marker 18 are described as facing each other behind the vehicle 2.
  • the camera 17 is mounted on the bottom surface of the vehicle 2, and the positioning marker 18 is parked as a mounting table. It may be formed on the road surface of the space 3. Further, when the positioning marker 18 is formed on the road surface of the parking space 3, a vehicle guiding line (white line or the like) may be formed as the positioning marker 18.
  • the power supply side control device 36 transmits the reference position signal from the transmission unit 37b, and the power reception side control device 36 receives the reference position signal normally at the reception unit 28b.
  • the transmission of a charge request signal is permitted. This is to prevent a positioning error that occurs when the driver stops the vehicle 2 in the parking space 3.
  • the power receiving side control device 26 indicates that the power feeding unit 31 and the power receiving unit 21 of the vehicle 2 are substantially aligned.
  • the power supply from the power supply unit 31 to the power reception unit 21 is performed by determining that the vehicle has stopped at the predetermined position and transmitting the charge request signal. Is prevented.
  • the communication unit 28a is configured as shown in FIG. That is, in the communication unit 28a, the reference position signal is input to the input terminal 28a-1 via the receiving unit 28b.
  • the input reference position signal is appropriately amplified in the amplifier circuit 28a-2, and then the branch circuit 28a-1. -3, and input to the demodulation circuit 28a-5 via the switching circuit 28a-4.
  • the demodulation circuit 28a-5 demodulates the reference position information from the reference position signal, and the reference position information is sent from the output terminal 28a-8 to the power receiving side control device 26.
  • the communication unit 28a includes a level detection circuit 28a-6 for detecting a signal level of an output signal (reference position signal or the like) from the branch output terminal of the branch circuit 28a-3, and the level detection circuit 28a-6. The detected signal level is compared with a predetermined determination level. When the signal level is equal to or higher than the determination level, the switching circuit 28a-4 is switched to the through side, and the reference position signal is output to the demodulation circuit 28a-5. When the signal level is lower than the determination level, a control circuit 28a-7 is provided that shuts off the output path of the reference position signal by opening the switching circuit 28a-4.
  • the receiving unit 28b This makes it impossible to receive a reference position signal that is higher than the judgment level.
  • the reference position signal is input to the power receiving side control device 26 via the demodulation circuit 28a-5, and the power receiving side control device 26 is received. Can prevent the transmitter 27b from transmitting a charge request signal.
  • the receiving unit 28b cannot receive the reference position signal that is equal to or higher than the determination level. What is necessary is just to adjust suitably the gain, directivity, etc. of the antenna for transmission / reception which comprises the receiving part 28b.
  • the transmission unit 37b and the reception unit 28b do not necessarily have to be configured to transmit and receive radio waves.
  • the transmission unit 37b is configured by a light emitting element
  • the reception unit 28b is An optical signal may be transmitted and received by configuring with two photosensors arranged in the left-right direction.
  • the optical signal output from the transmission unit 37b is received by the two photosensors included in the reception unit 28b, and the reception signals (detection currents) from the two photosensors are communication. This is input to the unit 28a.
  • the communication unit 28a compares the magnitudes of the reception signals (detection currents) from the two photosensors, and outputs the reference position information when the magnitudes of the reception signals are substantially equal.
  • the reference position information may not be output when there is a variation in the size that is greater than or equal to the determination value.
  • the magnitude of the received signal from the two photosensors is determined by the deviation of the optical axes of the transmission unit 37 and the reception unit 28. What is necessary is just to determine the positional relationship between the optical axes on the transmission side and the reception side, the type of lens, the aperture, and the like so that variations greater than the value occur.
  • FIG. 7A is a flowchart for explaining the control process executed by the power receiving side control device 26
  • FIG. 7B is a flowchart for explaining the control process executed by the power supply side control device 36.
  • C is a flowchart showing the drive procedure of the primary coil 31a (in other words, the drive circuit 32).
  • the power receiving side control device 26 monitors the power capacity of the main battery 23 via the processing unit 7, and if the power capacity of the main battery 23 is equal to or greater than a predetermined value (S08: Yes), the system No startup is performed.
  • the process proceeds to the next step.
  • the vehicle 2 is parked at a predetermined position in the parking space 3 where the power feeding device 30 is provided, and the power receiving side control device 26 is sent from the power feeding device 30 side.
  • the power receiving side information is output from the power receiving side control device 26 (S14), and the charging power information is transmitted as a charging request signal via the communication unit 27a and the transmitting unit 27b. 30 is sent out.
  • the power receiving side control device 26 continues to monitor the power capacity of the main battery 23 based on the information from the processing unit 7 (S16), and when the power capacity becomes a predetermined value during charging (S16: Yes), The output of the charge request signal is stopped (S18), and a charge completion signal is sent to the power feeding apparatus 30 side via the power receiving side transmission means 27 (S19).
  • the power receiving side control device 26 cannot receive the reference position signal.
  • the charge request signal for starting the system is not output.
  • the power supply side control device 36 continuously outputs the reference position signal to the communication unit 37a from the time of system standby (S20), thereby causing the transmission unit 37b to transmit the reference position signal.
  • the power supply side control device 36 monitors whether or not the charge request signal transmitted from the power receiving device 20 side is received by the reception unit 38b, and the charge request signal is received by the reception unit 38b. Then (S24: Yes), by outputting a “closed” drive signal to the switch 33 (S27), the drive circuit 32 is operated to supply power from the primary coil 31a to the secondary coil 21a. Let it begin.
  • the power supply side control device 36 When the power supply side control device 36 outputs the “closed” drive signal, the power supply side control device 36 proceeds to determination of the power capacity of the main battery 23 (S30). That is, the power supply side control device 36 not only monitors the charge request signal sent from the power power receiving device 20 side, but also monitors the charge completion signal from the power power receiving device 20 side.
  • the charging completion signal is not received in 38b (S30: No)
  • the drive signal of “closed” is output, the power supply from the primary coil 31a to the secondary coil 21a is continued, and the receiving unit 38b
  • the charging completion signal When the charging completion signal is received (S30: Yes), by outputting a drive signal of “open” to the switch 33 (S32), the power supply from the primary coil 31a to the secondary coil 21a is stopped.
  • the system standby state is a state of waiting for the vehicle 2 to be stopped while transmitting the reference position signal.
  • the switch 33 receives a drive signal output from the power supply side control device 36 in response to the charge request signal (S37), becomes conductive (S39), and enters the drive circuit 32.
  • the AC power is supplied (S41)
  • the primary coil 31a is driven, and power supply to the secondary coil 21a starts (S43).
  • the positioning marker 18 as an example of the guiding means is installed in the parking space 3 as the mounting table of the vehicle 2.
  • a camera 17 and a display unit 8 are provided for capturing and displaying this image.
  • the driver of the vehicle 2 moves the vehicle 2 to the parking space 3 while looking at the display image on the display unit 8, so that the power receiving unit 21 faces the power feeding unit 31 of the parking space 3.
  • the vehicle can be stopped at a predetermined position.
  • the power supply device 30 when the power supply device 30 receives the charge request signal at the reception unit 38b, the power supply device 30 closes the switch 33 and starts supplying power from the power supply unit 31 to the power reception unit 21.
  • the charging request signal can be transmitted. Therefore, in the state where the vehicle 2 is not stopped at the optimum position, It is possible to prevent power from being supplied from 31 to the power receiving unit 21.
  • the vehicle 2 receives power from the power supply unit 31 in a state where the vehicle 2 is stopped at the optimum position (in other words, the power supply unit 31 and the power reception unit 21 face each other). Since the power supply to the unit 21 can be performed, the power supply can be efficiently performed, and energy saving of the power supply system can be achieved. In addition, the time required for charging the main battery 23 as an example of the power storage means can be eliminated, and the charging time can be shortened.
  • the power receiving unit 21 is an example of the power receiving unit of the present invention
  • the power feeding unit 31 is an example of the power feeding unit of the present invention
  • the power receiving side control device 26 is an example of the power receiving side control unit.
  • the power supply side control device 36 is an example of a power supply side control unit.
  • the communication units 27a and 28a, the transmission unit 27b, and the reception unit 28b mounted on the vehicle 2 are examples of the power reception side communication unit of the present invention, and the communication units 37a and 38a installed on the parking space 3 side.
  • the transmission unit 37b and the reception unit 38b are examples of the power supply side communication unit of the present invention.
  • the positioning marker 18 is an example of the guiding means of the present invention
  • the camera 17 and the display unit 8 are examples of the guiding means of the present invention.
  • the power supply system of the present embodiment has substantially the same configuration as that of the first embodiment, except that a configuration for transmitting and receiving a reference position signal from the power supply system of the first embodiment (that is, a communication unit). 37a, transmitter 37b, receiver 28b and communication unit 28a) are deleted, and the switch 33 is closed when the power supply side control device 36 has successfully received the charge request signal received by the receiver 38b. Thus, power supply from the power feeding unit 31 to the power receiving unit 21 is started.
  • the determination as to whether or not the power reception request signal has been normally received is the same as the determination of the reference position signal in the first embodiment, for example, by configuring the communication unit 38a as shown in FIG. May be determined depending on whether or not is equal to or higher than the determination level, or determination may be made from the reception state of the optical signal by configuring the transmission unit 27b and the reception unit 38b as shown in FIG.
  • the power receiving device 20 acquires data on the operation state of the parking brake via the processing unit 7, and the setting state of the parking brake of the vehicle 2 is “ON” (during braking). If it is determined that it is “ON”, the power receiving side control device 26 is provided with an activation determination unit 26 that outputs a stop information signal corresponding thereto.
  • the process waits for the parking brake to be applied, and when it is determined in S12 that the parking brake is applied, the processes after S14 are performed.
  • the power supply from the power feeding unit 31 to the power receiving unit 21 can be performed only when the vehicle 2 is reliably stopped. Can be improved.
  • the flowchart shown in FIG. 10 represents the control process executed by the power receiving side control device 26, but is the same as the flowchart of the first embodiment shown in FIG. 7 except that the process of S12 is added. Therefore, detailed description is omitted.
  • the starting determination part 26 is an example of the stop state detection means of this invention.
  • the power feeding unit 31 protrudes from the first position (see FIG. 12) embedded in the road surface of the parking space 3 and the road surface of the parking space 3, and receives power from the vehicle 2. It is provided so as to be movable between a second position approaching the section 21 (see FIG. 13), and the power supply device 30 supports the power feeding section 31 and places the power feeding section 31 in the first position or The movable portion 35 is provided at the second position.
  • the movable portion 35 is an example of the power supply side movable means of the present invention.
  • the movable portion 35 supplies and discharges hydraulic oil to the hydraulic cylinder in accordance with a command from the power supply side control device 36 and a hydraulic cylinder that expands and contracts by supply / discharge of hydraulic oil.
  • the hydraulic circuit is configured to extend and contract the hydraulic cylinder by discharging, and a limit switch that generates a limit signal when the power feeding unit 31 reaches the second position.
  • the movable part 35 is normally made to arrange
  • the electric power feeding part 31 will be moved to a 2nd position,
  • a drive stop command is input from the power supply side control device 36, the power supply unit 31 is returned to the first position.
  • the power supply side control device 36 when the power supply side control device 36 outputs a drive signal in S27 of FIG. 7B, it outputs a drive command to the movable portion 35, thereby moving the power supply portion 31 to the second position.
  • the power supply unit 31 When power supply to the vehicle 2 is stopped in S32 of (b), the power supply unit 31 is moved to the first position by outputting a drive stop command to the movable unit 35.
  • the power feeding side control device 36 moves the power feeding unit 31 from the first position to the second position by outputting a drive command to the movable unit 35 in S27 of FIG.
  • the power supply unit 31 is moved along the surface facing the power receiving unit 21 (in other words, the road surface of the parking space 3) so that the power amount becomes the maximum value, and the power amount reaches the maximum value.
  • the power feeding unit 31 is configured to be positioned at a certain position.
  • the power feeding unit 31 can be arranged at a position where power can be supplied more efficiently to the power receiving unit 21.
  • the current and voltage detection sensors provided in the main battery 23 function as an example of the received power detection means of the present invention.
  • the electric power supply apparatus 30 provided in the parking space 3 was provided with the movable part 35 which moves the electric power feeding part 31 between a 1st position and a 2nd position.
  • the power receiving device 20 mounted on the vehicle 2 is provided with a movable portion 35, and the movable portion 35 causes the power receiving portion 21 to protrude from the first position housed inside the vehicle 2 and the bottom surface of the vehicle 2. Then, it may be moved between the second position approaching the power feeding unit 31 of the parking space 3.
  • the power receiving unit 21 when the power receiving side control device 26 outputs the charge request signal in S14 of FIG. 7A, the power receiving unit 21 is moved to the second position by outputting a drive command to the movable unit 35. If the power reception unit 21 is moved to the first position by outputting a drive stop command to the movable unit 35 when the charging completion signal is output in S19 of FIG. The same effects as in the fourth embodiment can be obtained.
  • the same table 35a as that of the modification of the fourth embodiment is provided in the movable portion 35, and the power receiving portion 21 is moved along the surface facing the power feeding portion 31 (in other words, the road surface of the parking space 3).
  • the power reception unit 21 is opposed to the power supply unit 31 while monitoring the amount of power supplied from the charging circuit 22 to the main battery 23 until it is determined in S16 that the charging of the main battery 23 is completed. It moves along the surface (in other words, the road surface of the parking space 3), and is configured to position the power reception unit 21 at a position where the amount of electric power reaches the maximum value.
  • the power receiving device 20 is described as being provided with the communication units 27a and 28a, the transmitting unit 27b, and the receiving unit 28b as an example of the power receiving side communication unit. You may comprise integrally as one communication part.
  • the power supply device 30 has been described as including the communication units 37a and 38a, the transmission unit 37b, and the reception unit 38b as an example of the power supply side communication unit, but these are integrated as one communication unit. It may be configured.
  • the transmission part 37b and the receiving part 38b by the side of the electric power supply apparatus 30 are arrange
  • the transmission unit 37b and the reception unit 38b on the power supply device 30 side are arranged on the road surface of the parking space 3, and the transmission unit 27b and the reception unit 28b on the power reception device 20 side are arranged on the vehicle 2. May be provided at a position facing the receiving unit 38b and the transmitting unit 37b on the power supply device 30 side when the vehicle 2 is stopped at the optimal position.
  • Each of these units may be configured to transmit and receive optical signals as illustrated in FIG.
  • the power feeding unit 31 and the power receiving unit 21 are described as being configured by coils (a primary coil 31a and a secondary coil 21a) formed by winding a metal wire. Any device that can supply power without contact may be used. For example, a wireless power transmission method using microwaves may be used.
  • a waveguide slot antenna may be used as the power feeding unit 31, and a microwave antenna composed of a microstrip line may be used as the power receiving unit 21.
  • the drive circuit 32 of the power feeding unit 31 is a microwave source, and the charging circuit of the power receiving unit 21 may be configured by a diode or the like that detects microwaves.
  • the electric power feeding part 31 of the electric power feeder 30 was arrange
  • the electric power receiving part 21 of the electric power receiving apparatus 20 was provided in the bottom face of the vehicle 2, it demonstrated that the electric power feeding part 31 and electric power reception were received.
  • the unit 21 may be arranged so as to face each other, and is not necessarily arranged as in the above embodiment.
  • the mounting table on which the moving body is mounted is described as the parking space 3 using the road surface 1, but instead of the road surface 1, a lift parking system configured to be able to mount the entire moving body. It may be a vehicle stand or a self-propelled parking floor.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'invention concerne un système d'alimentation électrique destiné à alimenter en électricité une unité mobile et muni d'un dispositif d'alimentation électrique comportant un moyen d'alimentation électrique et d'un dispositif de réception d'électricité comportant un moyen de charge et un moyen de réception d'électricité. Le moyen d'alimentation électrique est installé sur une table de montage sur laquelle peut être montée l'unité mobile, et alimente sans contact l'unité mobile montée sur la table de montage. Le moyen de charge est incorporé à l'unité mobile qui peut être montée sur la table de montage, et charge un moyen de stockage d'électricité monté dans l'unité mobile. Le moyen de réception d'électricité, tandis que l'unité mobile est montée sur la table de montage, reçoit une énergie électrique fournie à partir du moyen d'alimentation électrique sans contact avec le moyen d'alimentation électrique et fournit l'énergie reçue au moyen de charge. Dans le système d'alimentation électrique, un moyen de conduction est disposé côté table de montage et un moyen de guidage équipe le dispositif de réception d'électricité. Le moyen d'amenée conduit l'unité mobile jusqu'à une position optimale pour l'alimentation électrique du moyen d'alimentation électrique au moyen de réception d'électricité. Le moyen de guidage détecte le moyen d'amenée disposé au niveau de la table de montage et informe un opérateur du résultat de la détection afin de guider l'opérateur dans le déplacement de l'unité mobile jusqu'à la position optimale.
PCT/JP2010/052995 2009-02-25 2010-02-25 Système d'alimentation électrique pour unité mobile WO2010098397A1 (fr)

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JP2009042428 2009-02-25

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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
JP2011217461A (ja) * 2010-03-31 2011-10-27 Aisin Aw Co Ltd 車両用充電支援装置、車両用充電支援方法、コンピュータプログラム
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DE102017206530A1 (de) * 2017-04-18 2018-10-18 Bayerische Motoren Werke Aktiengesellschaft Fahrzeugpositionierung für induktive Energieübertragung
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