Vehicle

• US 20150091511A1
• Filed: 05/09/2012
• Published: 04/02/2015
• Est. Priority Date: 05/09/2012
• 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:
  US14/395,746
• Publication Number:
  US 20150091511A1
• Time in Patent Office: Days
• US Class Current: 320/108
• CPC Class Codes: B60L 2270/147 electro magnetic [EMI]
• 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 53/126 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
• CPC Class Codes: B60L 53/35 Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• 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 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles

Abstract

An electrically powered vehicle includes: a connection portion to which a supply unit that supplies energy is connected; and a power reception unit that receives electric power contactlessly from a power transmission unit provided externally, the vehicle including a front region disposed at a front side relative to a center of the vehicle in a front-rear direction, and a rear region disposed at a rear portion relative to the center of the vehicle, the power reception unit being disposed to be displaced to one of the front region and the rear region relative to the center in the front-rear direction, the connection portion being provided in the other of the front region and the rear region.

Claims

1. A vehicle comprising:

a connection portion to which a supply unit that supplies energy is connected; and

a power reception unit that receives electric power contactlessly from a power transmission unit provided externally,

said vehicle including a front region located at a front side relative to a center of said vehicle in a front-rear direction, and a rear region located at a rear portion relative to the center of said vehicle,

said power reception unit being disposed to be displaced to one of said front region and said rear region relative to the center in said front-rear direction, said connection portion being provided in the other of said front region and said rear region.

2. The vehicle according to claim 1, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface,

said power reception unit includes a coil formed to surround a winding axis, said coil being disposed such that said winding axis passes through said front surface and said rear surface, and

said connection portion is provided in at least one of said right side surface and said left side surface.

3. The vehicle according to claim 1, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface,

said power reception unit includes a coil formed to surround a winding axis, said coil being disposed such that said winding axis passes through said right side surface and said left side surface,

said power reception unit is disposed to be displaced to said front region relative to the center in said front-rear direction, and

said connection portion is provided in said rear surface.

4. The vehicle according to claim 1, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface,

said power reception unit includes a coil formed to surround a winding axis, said coil being disposed such that said winding axis passes through said front surface and said rear surface,

said power reception unit is disposed to be displaced to said rear region relative to the center in said front-rear direction, and

said connection portion is provided in said front surface.

5. The vehicle according to claim 1, wherein

said vehicle includes an upper surface, and

said connection portion is provided in said upper surface.

6. The vehicle according to claim 1, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface, and

said connection portion is provided in a surface farthest from said power reception unit among said front surface, said rear surface, said right side surface, and said left side surface.

7. The vehicle according to claim 1, further comprising a battery, wherein

said connection portion includes a charging portion to which a power supply unit that supplies electric power is connected, and

said battery is provided between said power reception unit and said charging portion.

8. The vehicle according to claim 1, wherein

said vehicle includes a bottom surface, and

said power reception unit is disposed at said bottom surface side.

9. The vehicle according to claim 1, wherein a difference between a natural frequency of said power transmission unit and a natural frequency of said power reception unit is 10% or less of the natural frequency of said power reception unit.

10. The vehicle according to claim 1, wherein a coupling coefficient between said power reception unit and said power transmission unit is 0.1 or less.

11. The vehicle according to claim 1, wherein said power reception unit receives electric power from said power transmission unit through at least one of a magnetic field and an electric field, said magnetic field being formed between said power reception unit and said power transmission unit and oscillating at a specific frequency, said electric field being formed between said power reception unit and said power transmission unit and oscillating at the specific frequency.

12. A vehicle comprising:

a connection portion to which a supply unit that supplies energy is connected; and

a power reception unit that receives electric power contactlessly from a power transmission unit provided externally,

said vehicle including a right region located on the right relative to a center of said vehicle in a width direction, and a left region located on the left relative to the center of said vehicle in the width direction,

said power reception unit being disposed to be displaced to one of said right region and said left region relative to the center in said width direction, said connection portion being provided in the other of said right region and said left region.

13. The vehicle according to claim 12, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface,

said power reception unit includes a coil formed to surround a winding axis, said coil being disposed such that said winding axis passes through said front surface and said rear surface, and

said power reception unit is disposed to be displaced to said right region relative to the center in said width direction, and said connection portion is provided in said left side surface.

14. The vehicle according to claim 12, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface,

said power reception unit includes a coil formed to surround a winding axis, said coil being disposed such that said winding axis passes through said front surface and said rear surface, and

said power reception unit is disposed to be displaced to said left region relative to the center in said width direction, and said connection portion is provided in said right side surface.

15. The vehicle according to claim 12, wherein

said vehicle includes a front surface, a rear surface a right side surface, and a left side surface,

said power reception unit includes a coil formed to surround a winding axis, said coil being disposed such that said winding axis passes through said right side surface and said left side surface, and

said connection portion is provided in at least one of said front surface and said rear surface.

16. The vehicle according to claim 12, wherein

said vehicle includes an upper surface, and

said connection portion is provided in said upper surface.

17. The vehicle according to claim 12, wherein

said vehicle includes a front surface, a rear surface, a right side surface, and a left side surface, and

said connection portion is provided in a surface farthest away from said power reception unit among said front surface, said rear surface, said right side surface, and said left side surface.

18. The vehicle according to claim 12, further comprising a battery, wherein

said connection portion includes a charging portion to which a power supply unit that supplies electric power is connected, and

said battery is provided between said power reception unit and said charging portion.

19. The vehicle according to claim 12, wherein

said vehicle includes a bottom surface, and

said power reception unit is disposed at said bottom surface side.

20. The vehicle according to claim 12, wherein a difference between a natural frequency of said power transmission unit and a natural frequency of said power reception unit is 10% or less of the natural frequency of said power reception unit.

21. The vehicle according to claim 12, wherein a coupling coefficient between said power reception unit and said power transmission unit is 0.1 or less.

22. The vehicle according to claim 12, wherein said power reception unit receives electric power from said power transmission unit through at least one of a magnetic field and an electric field, said magnetic field being formed between said power reception unit and said power transmission unit and oscillating at a specific frequency, said electric field being formed between said power reception unit and said power transmission unit and oscillating at the specific frequency.