Non-contact power supply system and power transmission apparatus, and designing method and installing method of power transmission apparatus

• US 10,464,442 B2
• Filed: 10/06/2017
• Issued: 11/05/2019
• Est. Priority Date: 10/11/2016
• Status: Active Grant

• Current Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Original Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Inventors: Iwamoto, Takuya, Nakagawa, Tomoaki
• Primary Examiner(s): Diao, M Baye
• Application Number:
  US15/726,528
• Publication Number:
  US 20180099576A1
• Time in Patent Office: 760 Days
• Field of Search: 320109
• CPC Class Codes: B60K 1/04 of the electric storage means for propulsion exchanging batteries for electric propulsion of vehicles B60L53/80; for auxiliary purposes only B60R16/04; supplying batteries to, or removing batteries from, vehicles B60S5/06
• CPC Class Codes: B60L 3/00 Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption methods or circuit arrangements for monitoring or controlling batteries or fuel cells B60L58/00
• CPC Class Codes: B60L 53/124 Detection or removal of foreign bodies
• CPC Class Codes: B60L 53/30 Constructional details of charging stations
• CPC Class Codes: H04B 5/266 One coil at each side, e.g. with primary and secondary coils
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• 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

A non-contact power supply system includes a power receiving unit mounted on a vehicle, a power transmitting unit which is disposed on a plane and which transmits electric power to the power receiving unit in a non-contact manner, and a housing which projects in a vertical direction from the plane and which accommodates the power transmitting unit. The housing has a height in a vertical direction which satisfies a condition that a vertical height of at least part of a gap defined by a bottom surface of the vehicle and an upper surface of the housing is less than 15 cm and equal to or more than 5 cm. Therefore, the non-contact power supply system which satisfies a standard for exposure of a human body to electromagnetic field and which is free from an occurrence of a physical contact with a bottom surface of a vehicle is provided.

Claims

1. A non-contact power supply system, comprising:

a power receiving unit which is mounted between two front wheels of a vehicle;

a power transmitting unit which is disposed on a plane and which transmits electric power to the power receiving unit in a non-contact manner; and

a housing which projects in a vertical direction from the plane and which accommodates the power transmitting unit,

wherein the housing has a height in a vertical direction which satisfies a condition that a vertical height of a first gap in a front of the housing is less than 15 cm and equal to or more than 5 cm in a position where the power transmitting unit and the housing face the power receiving unit mounted between the two front wheels, the first gap being defined by a bottom surface of the vehicle and an upper surface of the housing, and

wherein a second gap in a rear of the housing, which is defined by the bottom surface of the vehicle and the upper surface of the housing, is larger than the first gap.

2. A non-contact power supply system, comprising:

a power receiving unit which is mounted between two rear wheels of a vehicle;

a power transmitting unit which is disposed on a plane and which transmits electric power in a non-contact manner to the power receiving unit; and

a housing which projects in a vertical direction from the plane and which accommodates the power transmission unit,

wherein the housing has a length in vertical height which satisfies a condition that a vertical height of a first gap in a rear of the housing is less than 15 cm and equal to or more than 5 cm in a position where the power transmitting unit and the housing face the power receiving unit mounted between the two rear wheels, the first gap being defined by a bottom surface of the vehicle and an upper surface of the housing, and

wherein a second gap in a front of the housing, which is defined by the bottom surface of the vehicle and the upper surface of the housing, is larger than the first gap.