ELECTRIC POWER RECEPTION DEVICE FOR VEHICLE, ELECTRIC POWER TRANSMISSION DEVICE, AND NON-CONTACT ELECTRIC POWER TRANSMISSION/RECEPTION SYSTEM

• US 20140292270A1
• Filed: 11/08/2011
• Published: 10/02/2014
• Est. Priority Date: 11/08/2011
• Status: Active Grant

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: Ichikawa, Shinji
• Granted Patent: US 10,500,964 B2
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: B60L 2210/10 DC to DC converters
• CPC Class Codes: B60L 2210/30 AC to DC converters
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2220/14 Synchronous machines
• CPC Class Codes: B60L 2240/527 Voltage
• CPC Class Codes: B60L 2240/547 Voltage
• CPC Class Codes: B60L 2240/549 Current
• CPC Class Codes: B60L 2250/12 by confirmation, e.g. of the input
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 50/16 with provision for separate direct mechanical propulsion
• CPC Class Codes: B60L 50/51 characterised by AC-motors
• CPC Class Codes: B60L 53/00 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
• CPC Class Codes: B60L 53/122 Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
• CPC Class Codes: B60L 53/305 Communication interfaces
• CPC Class Codes: B60L 53/36 by positioning the vehicle
• CPC Class Codes: B60L 53/51 Photovoltaic means
• CPC Class Codes: B60L 53/52 Wind-driven generators
• CPC Class Codes: B60L 53/65 involving identification of vehicles or their battery types
• CPC Class Codes: B60L 53/66 Data transfer between charging stations and vehicles
• CPC Class Codes: B60L 7/14 for vehicles propelled by ac motors
• CPC Class Codes: H02J 2300/28 : The renewable source being wind energy wind motors F03D
• CPC Class Codes: H02J 2310/48 : for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 50/12 : of the resonant type
• CPC Class Codes: H02J 50/80 : involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/90 : involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/00034 : Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/34 : Parallel operation in networks using both storage and other dc sources, e.g. providing buffering H02J7/14 takes precedence
• CPC Class Codes: H02J 7/35 : with light sensitive cells
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/72 : Electric energy management in electromobility
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 : Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 : 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]
• CPC Class Codes: Y04S 30/14 : Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

An electric power reception device for a vehicle is equipped with an electric power reception unit that is configured to be able to receive electric power from an electric power transmission device in a non-contact manner, a communication portion that transmits information on a position or dimension of the electric power reception unit to the electric power transmission device, and a vehicle ECU that controls the communication portion. Preferably, the vehicle ECU transmits pre-stored information to the electric power transmission device with the aid of the communication portion, before allowing a vehicle to be parked at an electric power reception position of the electric power transmission device. The information includes at least one of a size of the electric power reception unit, a size of the vehicle in which the electric power reception unit is mounted, and a mounting position of the electric power reception unit in the vehicle.

Claims

1. An electric power reception device for a vehicle that can receive electric power from an electric power transmission device outside the vehicle in a non-contact manner, the electric power reception device comprising:

an electric power reception unit configured to receive electric power from the electric power transmission device in a non-contact manner; and

a communication portion transmitting information on a position or dimension of the electric power reception unit to the electric power transmission device.

2. The electric power reception device for the vehicle according to claim 1, wherein

the information includes at least of a size of the electric power reception unit, a size of the vehicle in which the electric power reception unit is mounted, a mounting position of the electric power reception unit in the vehicle, and a mounting angle of the electric power reception unit in the vehicle.

3. The electric power reception device for the vehicle according to claim 2, further comprising:

a control device configured to control the communication portion, wherein

the control device is configured to receive, from the electric power transmission device, a determination result about an advisability of non-contact charging on which a determination has been made on a basis of the information, and notify a passenger of the determination result.

4. The electric power reception device for the vehicle according to claim 2, further comprising:

a control device configured to control the communication portion, wherein

the control device is configured to receive, from the electric power transmission device, a determination result about a guidance direction of the vehicle on which a determination has been made on a basis of the information, and notify a passenger of the determination result.

5. The electric power reception device for the vehicle according to claim 2, wherein

the electric power transmission device includes a plurality of electric power transmission units, and

the electric power transmission device determines the electric power transmission unit used to transmit electric power among the plurality of the electric power transmission units, on a basis of the information transmitted from the communication portion.

6. The electric power reception device for the vehicle according to claim 2, wherein

the electric power transmission device includes a movable electric power transmission unit, and

the electric power transmission device determines a position of the electric power transmission unit on a basis of the information transmitted from the communication portion.

7. An electric power transmission device that can transmit electric power in a non-contact manner, the electric power transmission device comprising:

an electric power transmission unit configured to transmit electric power to a vehicle from outside the vehicle in a non-contact manner; and

a communication portion transmitting information on a position or dimension of the electric power transmission unit to the vehicle.

8. The electric power transmission device according to claim 7, wherein

the information includes at least one of a size of the electric power transmission unit, a size of a parking space in which the electric power transmission unit is arranged, a mounting position of the electric power transmission unit in the parking space, and a mounting angle of the electric power transmission unit in the parking space.

9. The electric power transmission device according to claim 8, further comprising:

a control device configured to control the communication portion, wherein

the control device is configured to receive from the vehicle, a determination result about an advisability of non-contact charging on which a determination has been made on a basis of the information.

10. The electric power transmission device according to claim 8, further comprising:

a control device configured to control the communication portion, wherein

the control device is configured to receive, from the vehicle, a determination result about a guidance direction of the vehicle on which a determination has been made on a basis of the information.

11. The electric power transmission device according to claim 8, further comprising:

a control device configured to control the communication portion, wherein

the vehicle includes a plurality of electric power reception units, and

the control device is configured to transmit the information to the vehicle through use of the communication portion, in order to determine the electric power reception unit used to receive electric power among the plurality of the electric power reception units.

12. The electric power transmission device according to claim 8, further comprising:

a control device configured to control the communication portion, wherein

the vehicle includes a movable electric power reception unit, and

the control device is configured to transmit the information to the vehicle through use of the communication portion, in order to determine a position of the electric power reception unit.

13. An electric power transmission device that can transmit electric power to a vehicle in a non-contact manner, wherein

the vehicle includes an electric power reception unit that receives electric power from the electric power transmission device, and transmits information on a position or dimension of the electric power reception unit to the electric power transmission device,

the electric power transmission device equipped with a communication portion that receives the information on the position or dimension of the electric power reception unit from the vehicle, and

an electric power transmission unit configured to transmit electric power to the electric power reception unit in a non-contact manner.

14. An electric power reception device for a vehicle that can receive electric power from an electric power transmission device in a non-contact manner, wherein

the electric power transmission device includes an electric power transmission unit that transmits electric power to the vehicle, and transmits information on a position or dimension of the electric power transmission unit to the electric power reception device for the vehicle,

the electric power reception device comprising:

a communication portion that receives information on the position or dimension of the electric power transmission unit from the electric power transmission device; and

an electric power reception unit configured to receive electric power from the electric power transmission unit in a non-contact manner.

15. A non-contact electric power transmission/reception system comprising:

an electric power reception device mounted in a vehicle; and

an electric power transmission device located outside the vehicle, wherein

the electric power reception device includes an electric power reception unit that is configured to receive electric power from the electric power transmission device in a non-contact manner, and a communication portion transmitting information on a position or dimension of the electric power reception unit to the electric power transmission device.

16. A non-contact electric power transmission/reception system comprising:

an electric power reception device mounted in a vehicle; and

an electric power transmission device located outside the vehicle, wherein

the electric power transmission device includes an electric power transmission unit that is configured to transmit electric power to the vehicle from outside the vehicle in a non-contact manner, and a communication portion that transmits information on a position or dimension of the electric power transmission unit to the vehicle.