POWER TRANSMISSION DEVICE, POWER RECEPTION DEVICE, VEHICLE, AND CONTACTLESS POWER FEEDING SYSTEM
First Claim
1. A vehicle capable of receiving power from a power transmission device in a contactless manner, comprising:
- a power reception unit that receives power from a power transmission unit included in the power transmission device in a contactless manner;
a moving device configured to move the power reception unit between a standby position and a power reception position facing the power transmission unit; and
a control device for controlling the moving device,after the power reception unit has been moved to the power reception position and during reception of power from the power transmission unit, when a distance between the power transmission unit and the power reception unit becomes greater than the distance at a start of the reception of power, the control device being configured to operate the moving device to bring the power reception unit closer to the power transmission unit.
1 Assignment
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Accused Products
Abstract
A contactless power feeding system is configured to supply power from a power transmission unit to a power reception unit in a contactless manner. The contactless power feeding system includes a raising and lowering mechanism that moves the power reception unit between a standby position and a power reception position facing the power transmission unit, and an ECU for controlling the raising and lowering mechanism. After the power reception unit has been moved to the power reception position and during reception of power from the power transmission unit, when a distance between the power transmission unit and the power reception unit becomes greater than the distance at a start of the reception of power, the ECU operates the moving device to bring the power reception unit closer to the power transmission unit. Consequently, a reduction in power transfer efficiency during power transmission can be prevented.
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Citations
11 Claims
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1. A vehicle capable of receiving power from a power transmission device in a contactless manner, comprising:
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a power reception unit that receives power from a power transmission unit included in the power transmission device in a contactless manner; a moving device configured to move the power reception unit between a standby position and a power reception position facing the power transmission unit; and a control device for controlling the moving device, after the power reception unit has been moved to the power reception position and during reception of power from the power transmission unit, when a distance between the power transmission unit and the power reception unit becomes greater than the distance at a start of the reception of power, the control device being configured to operate the moving device to bring the power reception unit closer to the power transmission unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A power reception device that receives power from a power transmission device in a contactless manner, comprising:
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a power reception unit that receives power from a power transmission unit included in the power transmission device in a contactless manner; a moving device configured to move the power reception unit between a standby position and a power reception position facing the power transmission unit; and a control device for controlling the moving device, after the power reception unit has been moved to the power reception position and during reception of power from the power transmission unit, when a distance between the power transmission unit and the power reception unit becomes greater than the distance at a start of the reception of power, the control device being configured to operate the moving device to bring the power reception unit closer to the power transmission unit.
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10. A power transmission device that supplies power to a power reception device in a contactless manner, comprising:
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a power transmission unit that supplies power to a power reception unit included in the power reception device in a contactless manner; a moving device configured to move the power transmission unit between a standby position and a power transmission position facing the power reception unit; and a control device for controlling the moving device, after the power transmission unit has been moved to the power transmission position and during transmission of power to the power reception unit, when a distance between the power transmission unit and the power reception unit becomes greater than the distance at a start of the transmission of power, the control device being configured to operate the moving device to bring the power transmission unit closer to the power reception unit.
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11. A contactless power feeding system including a power transmission unit and a power reception unit, for supplying power from the power transmission unit to the power reception unit in a contactless manner, the contactless power feeding system comprising:
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a moving device configured to move at least one of the power transmission unit and the power reception unit from a standby position to a power reception position; and a control device for controlling the moving device, during reception by the power reception unit of power from the power transmission unit in the power reception position, when a distance between the power transmission unit and the power reception unit becomes greater than the distance at a start of the reception of power, the control device being configured to operate the moving device to bring the power reception unit and the power transmission unit closer to each other.
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Specification