COIL ALIGNMENT METHOD IN WIRELESS POWER TRANSFER SYSTEM AND APPARATUS USING THE SAME
First Claim
1. A coil alignment method performed in a vehicle-side coil alignment apparatus coupled to a vehicle assembly (VA) controller, the coil alignment method comprising:
- moving a light-blocking unit protruding from a vehicle parked in a wireless charging area in a first direction toward the ground facing one side of a vehicle-side wireless power transfer pad which is mounted on the vehicle and includes a VA coil, wherein the light-blocking unit protrudes from the one side of the vehicle-side wireless power transfer pad;
stopping movement of the light-blocking unit in response to a first stop signal from a ground assembly (GA) controller;
moving the light-blocking unit in a second direction perpendicular to the first direction; and
stopping movement of the light-blocking unit in response to a second stop signal from the GA controller.
1 Assignment
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Accused Products
Abstract
A coil alignment method performed in a vehicle-side coil alignment apparatus coupled to a vehicle assembly (VA) controller includes: moving a light-blocking unit protruding from a vehicle parked in a wireless charging area in a first direction toward the ground facing one side of a vehicle-side wireless power transfer pad which is mounted on the vehicle and includes a VA coil, where the light-blocking unit protrudes from the one side of the vehicle-side wireless power transfer pad; stopping movement of the light-blocking unit in response to a first stop signal from a ground assembly (GA) controller; moving the light-blocking unit in a second direction perpendicular to the first direction; and stopping movement of the light-blocking unit in response to a second stop signal from the GA controller.
9 Citations
14 Claims
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1. A coil alignment method performed in a vehicle-side coil alignment apparatus coupled to a vehicle assembly (VA) controller, the coil alignment method comprising:
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moving a light-blocking unit protruding from a vehicle parked in a wireless charging area in a first direction toward the ground facing one side of a vehicle-side wireless power transfer pad which is mounted on the vehicle and includes a VA coil, wherein the light-blocking unit protrudes from the one side of the vehicle-side wireless power transfer pad; stopping movement of the light-blocking unit in response to a first stop signal from a ground assembly (GA) controller; moving the light-blocking unit in a second direction perpendicular to the first direction; and stopping movement of the light-blocking unit in response to a second stop signal from the GA controller. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A coil alignment method performed in a ground-side coil alignment apparatus coupled to a ground assembly (GA) controller, the coil alignment method comprising:
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generating a first beam bar extending in a first direction and a second beam bar extending in a second direction perpendicular to the first direction on a GA coil positioned in a wireless charging area using a first light-emitting element, a first light-receiving element, a second light-emitting element, and a second light-receiving element which are each spaced apart from the GA coil by a predetermined distance; moving a ground-side wireless power transfer pad having the GA coil, the first light-receiving element, the second light-emitting element, and the second light-receiving element in the first direction; detecting whether the second beam bar is blocked by a light-blocking unit protruding from a lower part of a vehicle; stopping movement of the ground-side wireless power transfer pad when the second beam bar is blocked; moving the ground-side wireless power transfer pad in the second direction; detecting whether the first beam bar is blocked by the light-blocking unit; and stopping movement of the ground-side wireless power transfer pad when the first beam bar is blocked. - View Dependent Claims (9, 10, 11)
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12. A coil alignment method performed in a ground-side coil alignment apparatus coupled to a ground assembly (GA) controller, the coil alignment method comprising:
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emitting a first beam in a first direction by controlling a first light-emitting element spaced apart from a GA coil positioned in a wireless charging area by a predetermined distance; emitting a second beam in a second direction perpendicular to the first direction by controlling a second light-emitting element spaced apart from the GA coil by a predetermined distance; transmitting a first stop signal to a vehicle assembly (VA) controller of a vehicle parked in the wireless charging area when the first beam is not detected in a first light-receiving element installed to sense the first beam; and transmitting a second stop signal to the VA controller when the second beam is not detected in a second light-receiving element installed to sense the second beam. - View Dependent Claims (13, 14)
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Specification