NON-CONTACT CHARGING SYSTEM
First Claim
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1. A non-contact charging system comprising:
- a power transmission device that includes a primary coil supplying electric power through electromagnetic induction;
a power reception device that includes a secondary coil receiving the electric power by being electromagnetically coupled with the power transmission device; and
a control device that determines charging efficiency from the primary coil to the secondary coil and changes a current supplied to the primary coil in accordance with the charging efficiency.
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Abstract
A non-contact charging system includes: a power transmission device that includes a primary coil supplying electric power through electromagnetic induction; a power reception device that includes a secondary coil receiving electric power by being electromagnetically coupled with the power transmission device; and a control device that determines charging efficiency from the primary coil to the secondary coil and changes the current supplied to the primary coil in accordance with the charging efficiency.
24 Citations
11 Claims
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1. A non-contact charging system comprising:
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a power transmission device that includes a primary coil supplying electric power through electromagnetic induction; a power reception device that includes a secondary coil receiving the electric power by being electromagnetically coupled with the power transmission device; and a control device that determines charging efficiency from the primary coil to the secondary coil and changes a current supplied to the primary coil in accordance with the charging efficiency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification