Power transmission and reception system for vehicle with graphical alignment
First Claim
1. A power reception apparatus, comprising:
- a secondary coil which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other;
a drive part for changing a relative position of the secondary coil on the plane relative to the primary coil;
a display unit; and
a processing unit for processing an image to be displayed on the display unit,wherein the processing unit determines a target zone on the plane which includes the primary coil,the processing unit calculates the relative position and a gradient of the secondary coil relative to the primary coil based on a coupling coefficient between the primary coil and the secondary coil, and a change with time in the coupling coefficient,the processing unit displays information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit,the processing unit does not display information on the relative position in relation to the left-right direction on the display unit, in an event that the secondary coil is included in the target zone in relation to the left-right direction, andthe processing unit changes a display mode of displaying the information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction.
1 Assignment
0 Petitions
Accused Products
Abstract
A power reception apparatus includes a secondary coil which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other, a drive part which can change a relative position on the plane of the secondary coil relative to the primary coil, a display unit, and a processing unit for processing an image to be displayed on the display unit. In an event that the secondary coil is included in the target zone in relation to the left-right direction, the processing unit displays the relative position and the gradient of the secondary coil on the display unit, and changes display modes of displaying the relative position on the display unit according to a change in the relative position in the front-rear direction.
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Citations
17 Claims
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1. A power reception apparatus, comprising:
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a secondary coil which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other; a drive part for changing a relative position of the secondary coil on the plane relative to the primary coil; a display unit; and a processing unit for processing an image to be displayed on the display unit, wherein the processing unit determines a target zone on the plane which includes the primary coil, the processing unit calculates the relative position and a gradient of the secondary coil relative to the primary coil based on a coupling coefficient between the primary coil and the secondary coil, and a change with time in the coupling coefficient, the processing unit displays information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit, the processing unit does not display information on the relative position in relation to the left-right direction on the display unit, in an event that the secondary coil is included in the target zone in relation to the left-right direction, and the processing unit changes a display mode of displaying the information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A power reception apparatus, comprising:
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a secondary coil which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other; a drive part for changing a relative position of the secondary coil on the plane relative to the primary coil; a display unit; a processing unit for processing an image to be displayed on the display unit; and an acquisition unit for acquiring information on a position of the primary coil and information on a position of the secondary coil, wherein the processing unit determines a target zone on the plane which includes the primary coil, the processing unit calculates the relative position and a gradient of the secondary coil relative to the primary coil based on each position information of the primary coil and the secondary coil which are acquired by the acquisition unit, and a change with time in the information on the positions of the primary and secondary coils, the processing unit displays information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit, the processing unit does not display information on the relative position in relation to the left-right direction on the display unit, in an event that the secondary coil is included in the target zone in relation to the left-right direction, and the processing unit changes a display mode of displaying the information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction.
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12. A power transmission apparatus, comprising:
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a primary coil which transmits electric power to a secondary coil in a non-contact manner and is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other; a transmitter configured to transmit information to a power reception apparatus having a display unit; and a processor configured to process an image to be displayed on the display unit of the power reception apparatus, wherein the processor determines a target zone on the plane which includes the primary coil, the processor calculates the relative position and a gradient of the secondary coil relative to the primary coil based on a coupling coefficient between the primary coil and the secondary coil, and a change with time in the coupling coefficient, the transmitter transmits information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil to the display unit, a display mode of the display unit changes in response to the transmitter transmitting the information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction, and in an event that the secondary coil is included in the target zone in relation to the left-right direction, the display unit does not display information on the relative position in relation to the left-right direction.
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13. A power transmission apparatus, comprising:
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a primary coil which transmits electric power to a secondary coil in a non-contact manner and is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other; a transmitter configured to transmit information to a power reception apparatus having a display unit; a processor configured to process an image to be displayed on the display unit of the power reception apparatus, and acquire information on a position of the primary coil and information on a position of the secondary coil, wherein the processor determines a target zone on the plane which includes the primary coil, the processor calculates the relative position and a gradient of the secondary coil relative to the primary coil based on each position information of the primary coil and the secondary coil which are acquired by the acquisition unit, and a change with time in the information on the positions of the primary and secondary coils, the transmitter transmits information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil to the display unit, a display mode of the display unit changes in response to the transmitter transmitting the information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction, and in an event that the secondary coil is included in the target zone in relation to the left-right direction, the display unit does not display information on the relative position in relation to the left-right direction.
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14. A power transmission and reception system, comprising:
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a power transmission apparatus having a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other; a power reception apparatus having a secondary coil which receives electric power in a non-contact manner from the primary coil, wherein the power reception apparatus comprises; a drive part for changing a relative position of the secondary coil on the plane relative to the primary coil; a display unit; and a processing unit for processing an image to be displayed on the display unit, wherein the processing unit determines a target zone on the plane which includes the primary coil, the processing unit calculates the relative position and a gradient of the secondary coil relative to the primary coil based on a coupling coefficient between the primary coil and the secondary coil, and a change with time in the coupling coefficient, the processing unit displays information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit, the processing unit does not display information on the relative position in relation to the left-right direction on the display unit, in an event that the secondary coil is included in the target zone in relation to the left-right direction, and the processing unit changes a display mode of displaying information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction.
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15. A power transmission and reception system, comprising:
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a power transmission apparatus having a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other; a power reception apparatus having a secondary coil which receives electric power in a non-contact manner from the primary coil, wherein the power reception apparatus comprises; a drive part for changing a relative position of the secondary coil on the plane relative to the primary coil; a display unit; a processing unit for processing an image to be displayed on the display unit; an acquisition unit for acquiring information on a position of the primary coil and information on a position of the secondary coil, wherein the processing unit determines a target zone on the plane which includes the primary coil, the processing unit calculates the relative position and a gradient of the secondary coil relative to the primary coil based on each position information of the primary coil and the secondary coil which are acquired by the acquisition unit, and a change with time in the information on the positions of the primary and secondary coils, the processing unit displays information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit, the processing unit does not display information on the relative position in relation to the left-right direction on the display unit, in an event that the secondary coil is included in the target zone in relation to the left-right direction, and the processing unit changes a display mode of displaying information on the relative position which is displayed on the display unit according to a change in the relative position in relation to the front-rear direction.
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16. A control method for supporting an alignment in position of a secondary coil, which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other, with the primary coil by means of an image which is displayed on a display unit, comprising the steps of:
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determining a target zone on the plane which includes the primary coil; calculating a relative position of the secondary coil on the plane relative to the primary coil which is changed by a drive part for changing the relative position and a gradient of the secondary coil relative to the primary coil based on a coupling coefficient between the primary coil and the secondary coil, and a change with time in the coupling coefficient; displaying information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit; and in an event that the secondary coil is included in the target zone in relation to the left-right direction, changing a display mode of displaying information on the relative position on the display unit according to a change in the relative position in relation to the front-rear direction without displaying information on the relative position in relation to the left-right direction on the display unit.
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17. A control method for supporting an alignment in position of a secondary coil, which receives electric power in a non-contact manner from a primary coil which is disposed on a plane defined by a front-rear direction and a left-right direction which are at right angles to each other, with the primary coil by means of an image which is displayed on a display unit, comprising the steps of:
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determining a target zone on the plane which includes the primary coil; calculating a relative position of the secondary coil on the plane relative to the primary coil which is changed by a drive part for changing the relative position and a gradient of the secondary coil relative to the primary coil based on information on a position of the primary coil and information on a position of the secondary coil which are acquired by an acquisition unit for acquiring each position information of the primary coil and the secondary coil, and a change with time in the information on the positions of the primary and secondary coils; displaying information on the relative position in relation to the front-rear direction and the left-right direction and information on the gradient of the secondary coil or a corrected gradient of the secondary coil on the display unit; and in an event that the secondary coil is included in the target zone in relation to the left-right direction, changing a display mode of displaying the information on the relative position on the display unit according to a change in the relative position in relation to the front-rear direction without displaying information on the relative position in relation to the left-right direction on the display unit.
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Specification