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

• US 20180257493A1
• Filed: 05/16/2018
• Published: 09/13/2018
• Est. Priority Date: 11/08/2011
• Status: Abandoned Application

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: ICHIKAWA, Shinji
• Application Number:
  US15/981,293
• Publication Number:
  US 20180257493A1
• Time in Patent Office: Days
• 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 receiver configured to receive electric power from the electric power transmission device in a non-contact manner;

a communicator configured to receive information related to the electric power transmission device; and

a controller configured to determine whether or not non-contact charging is possible based on the information received by the communicator,

wherein the communicator is configured to transmit a result of the determination to the electric power transmission device.

2. The electric power reception device according to claim 1, wherein the controller is configured to notify a passenger of the result.

5. The electric power reception device according to claim 1, wherein the information includes a shape of the electric power transmission device.

6. The electric power reception device according to claim 1, wherein the information includes at least one of:

a size of the electric power transmission device, a size of a parking space in which the electric power transmission device is arranged, a mounting position of the electric power transmission device in the parking space, or a mounting angle of the electric power transmission device in the parking space.

7. The electric power reception device according to claim 1, wherein

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

the electric power transmission device determines the electric power transmitter used to transmit electric power among the plurality of the electric power transmitters based on the result.

8. The electric power reception device according to claim 1, wherein

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

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

3. An electric power transmission device for a vehicle that is configured to transmit electric power to an electric power reception device of the vehicle in a non-contact manner, the electric power transmission device comprising:

an electric power transmitter configured to transmit electric power to the electric power reception device in a non-contact manner;

a communicator configured to receive information related to the electric power reception device; and

a controller configured to determine whether or not non-contact charging is possible based on information received by the communicator,

wherein the communicator is configured to transmit a result of the determination to the electric power reception device.

4. The electric power transmission device according to claim 3, wherein the controller is configured to notify a passenger of the result.

9. The electric power transmission device according to claim 3, wherein the received information includes a shape of the electric power reception device.

10. The electric power transmission device according to claim 3, wherein the electric power transmission device prepares for electric power transmission according to the result.

11. The electric power transmission device according to claim 3, wherein the received information includes at least one of:

a size of the electric power receiver, a size of the vehicle, a mounting position of the electric power receiver in the vehicle, and a mounting angle of the electric power receiver in the vehicle.

12. The electric power transmission device according to claim 3, wherein the result includes a guidance direction of the vehicle.

13. The electric power transmission device according to claim 3, wherein

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

the electric power transmission device determines the electric power transmitter used to transmit electric power among the plurality of the electric power transmitters based on the received information.

14. The electric power transmission device according to claim 3, wherein

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

the electric power transmission device determines a position of the electric power transmitter based on the received information.