Vehicle guidance apparatus and vehicle guidance method
First Claim
1. A vehicle guidance apparatus to be mounted on an electric vehicle that receives supply power by a power receiving unit in the vehicle in a non-contact manner, charges a power storage device mounted in the vehicle by the received power, and is driven at least by the power stored in the power storage device, the supply power being supplied from a power supplying unit on the ground side, the vehicle guidance apparatus for guiding the electric vehicle so that a relative position between the power receiving unit and the power supplying unit is in a predetermined range,the vehicle guidance apparatus comprising:
- a power supplying parameter acquisition unit configured to acquire a power supplying parameter in the vehicle, the power supplying parameter corresponding to a specification of the power supplying unit;
a power receiving parameter storage unit configured to store a power receiving parameter corresponding to a specification of the power receiving unit;
a charge efficiency calculation unit configured to calculate a charge efficiency according to the relative position between the power supplying unit and the power receiving unit based on the power supplying parameter and the power receiving parameter; and
a display processing unit configured todisplay guide lines indicating a position of the vehicle, anddisplay a range of the charge efficiency, based upon the calculated charge efficiency, with respect to a center of the power receiving unit on a display unit, the displayed range of the charge efficiency displaying an allowable deviation between the power supplying unit and the power receiving unit in which the charge efficiency can be achieved as a plurality of lines or a circular form,wherein the charge efficiency calculation unit, when calculating the charge efficiency, uses the same type of parameters for the power supplying parameter and the power receiving parameter for both a power supplying coil and a power receiving coil, the types of parameters including at least one of a number of coil turns, a shape, a coil diameter, Q value, an inductance value, and an operating frequency, andwherein the charge efficiency is a possible charge efficiency that is calculated before the power storage device is charged by the received power, and the display processing unit is configured to display the range of the charge efficiency before the power storage device is charged by the received power.
1 Assignment
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Accused Products
Abstract
A vehicle guidance apparatus includes a power supplying parameter acquisition device, a power receiving parameter storage device, a charge efficiency calculator, and a display processing device. The power supplying parameter acquisition device is configured to acquire in a electric vehicle a power supplying parameter which corresponds to a specification of a power supplier. The power receiving parameter storage device is configured to store a power receiving parameter corresponding to a specification of a power receiver. The charge efficiency calculator is configured to calculate a charge efficiency according to a relative position between the power supplier and the power receiver based on the power supplying parameter and the power receiving parameter. The display processing device is configured to display on a display a range of the charge efficiency with respect to a center of the power receiver to guide the electric vehicle.
7 Citations
22 Claims
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1. A vehicle guidance apparatus to be mounted on an electric vehicle that receives supply power by a power receiving unit in the vehicle in a non-contact manner, charges a power storage device mounted in the vehicle by the received power, and is driven at least by the power stored in the power storage device, the supply power being supplied from a power supplying unit on the ground side, the vehicle guidance apparatus for guiding the electric vehicle so that a relative position between the power receiving unit and the power supplying unit is in a predetermined range,
the vehicle guidance apparatus comprising: -
a power supplying parameter acquisition unit configured to acquire a power supplying parameter in the vehicle, the power supplying parameter corresponding to a specification of the power supplying unit; a power receiving parameter storage unit configured to store a power receiving parameter corresponding to a specification of the power receiving unit; a charge efficiency calculation unit configured to calculate a charge efficiency according to the relative position between the power supplying unit and the power receiving unit based on the power supplying parameter and the power receiving parameter; and a display processing unit configured to display guide lines indicating a position of the vehicle, and display a range of the charge efficiency, based upon the calculated charge efficiency, with respect to a center of the power receiving unit on a display unit, the displayed range of the charge efficiency displaying an allowable deviation between the power supplying unit and the power receiving unit in which the charge efficiency can be achieved as a plurality of lines or a circular form, wherein the charge efficiency calculation unit, when calculating the charge efficiency, uses the same type of parameters for the power supplying parameter and the power receiving parameter for both a power supplying coil and a power receiving coil, the types of parameters including at least one of a number of coil turns, a shape, a coil diameter, Q value, an inductance value, and an operating frequency, and wherein the charge efficiency is a possible charge efficiency that is calculated before the power storage device is charged by the received power, and the display processing unit is configured to display the range of the charge efficiency before the power storage device is charged by the received power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A vehicle guidance apparatus to be mounted on an electric vehicle including a power receiver configured to receive supply power in a non-contact manner from a power supplier provided on a ground side to charge a storage device, the vehicle guidance apparatus comprising:
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a power supplying parameter acquisition device configured to acquire in the electric vehicle a power supplying parameter which corresponds to a specification of the power supplier; a power receiving parameter storage device configured to store a power receiving parameter corresponding to a specification of the power receiver; a charge efficiency calculator configured to calculate a charge efficiency according to a relative position between the power supplier and the power receiver based on the power supplying parameter and the power receiving parameter; and a display processing device configured to display on a display guide lines indicating a position of the electric vehicle, and a range of the charge efficiency, based upon the calculated charge efficiency, with respect to a center of the power receiver to guide the electric vehicle, the displayed range of the charge efficiency displaying an allowable deviation between the power supplier and the power receiver in which the charge efficiency can be achieved as a plurality of lines or a circular form, wherein the charge efficiency calculator, when calculating the charge efficiency, uses a same type of parameters for the power supplying parameter and the power receiving parameter for both a power supplying coil and a power receiving coil, the types of parameters including at least one of a number of coil turns, a shape, a coil diameter, Q value, an inductance value, and an operating frequency, and wherein the charge efficiency is a possible charge efficiency that is calculated before the storage device is charged by the received supply power, and the display processing unit is configured to display the range of the charge efficiency before the storage device is charged by the received supply power. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A vehicle guidance apparatus to be mounted on an electric vehicle including power receiving means for receiving supply power in a non-contact manner from power supplying means provided on a ground side to charge a storage device, the vehicle guidance apparatus comprising:
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power supplying parameter acquisition means for acquiring in the electric vehicle a power supplying parameter which corresponds to a specification of the power supplying means; power receiving parameter storage means for storing a power receiving parameter corresponding to a specification of the power receiving means; charge efficiency calculation means for calculating a charge efficiency according to a relative position between the power supplying means and the power receiving means based on the power supplying parameter and the power receiving parameter; and display processing means for displaying on a display guide lines indicating a position of the electric vehicle, and a range of the charge efficiency, based upon the calculated charge efficiency, with respect to a center of the power receiving means to guide the electric vehicle, the displayed range of the charge efficiency displaying an allowable deviation between the power supplying means and the power receiving means in which the charge efficiency can be achieved as a plurality of lines or a circular form, wherein the charge efficiency calculation means, when calculating the charge efficiency, uses the same type of parameters for the power supplying parameter and the power receiving parameter for both a power supplying coil and a power receiving coil, the types of parameters including at least one of a number of coil turns, a shape, a coil diameter, Q value, an inductance value, and an operating frequency, and wherein the charge efficiency is a possible charge efficiency that is calculated before the storage device is charged by the received supply power, and the display processing means is configured to display the range of the charge efficiency before the storage device is charged by the received supply power. - View Dependent Claims (20)
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21. A vehicle guidance method comprising:
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acquiring in an electric vehicle a power supplying parameter which corresponds to a specification of a power supplier provided on a ground side; storing a power receiving parameter corresponding to a specification of a power receiver which is provided in the electric vehicle and which is configured to receive supply power in a non-contact manner from the power supplier to charge a storage device; calculating a charge efficiency according to a relative position between the power supplier and the power receiver based on the power supplying parameter and the power receiving parameter by using a same type of parameters for the power supplying parameter and the power receiving parameter for both a power supplying coil and a power receiving coil, the types of parameters including at least one of a number of coil turns, a shape, a coil diameter, Q value, an inductance value, and an operating frequency, the charge efficiency being a possible charge efficiency that is calculated before the storage device is charged by the received supply power; displaying on a display guide lines indicating a position of the electric vehicle; and displaying on the display a range of the charge efficiency, based upon the calculated charge efficiency, in which the charge efficiency can be achieved with respect to a center of the power receiver to guide the electric vehicle before the storage device is charged by the received supply power, the displayed range of the charge efficiency being a plurality of lines or a circular form that displays an allowable deviation between the power supplier and the power receiver in which the charge efficiency can be achieved. - View Dependent Claims (22)
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Specification