| 摘要 |
There is provided a non-contact power transfer apparatus performing non-contact power transfer from a power transmission coil L1 to a power reception coil L2 using electromagnetic induction. The non-contact power transfer apparatus has: a power transmission unit 10 including the power transmission coil L1, a power transmission circuit 1, a current detection circuit 3, unit detection means 4 and a first microcomputer 2 with a control circuit for controlling each of the circuits; and a power reception unit 30 including the power reception coil L2, a rectification smoothing circuit 31, a series regulator 34, a charge battery unit 40 with a rechargeable battery, a switching element 33 for pulse-charging and a second microcomputer 32 with a control circuit for controlling the series regulator and the switching element. With this structure, the non-contact power transmission apparatus can be safe, reduce unnecessary power loss and prevent heat generation even when a foreign matter like metal is placed close thereto.
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