| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-contact power transmission device enabling high energy transmission efficiency.SOLUTION: A non-contact power transmission device comprises: current measuring means 204 for measuring current occurring in a power reception circuit 20; power reception side communication means 206 for transmitting a current value obtained by the current measuring means 204 as a wireless signal to the outside; power transmission side communication means 114 for receiving the wireless signal from the power reception side communication means 206; frequency setting means 111 for obtaining the current value from the wireless signal received by the power transmission side communication means 114, and controls a switching frequency for generating AC voltage to be supplied to a power transmission coil 100; two switching pulse generation means 112a, 112b for outputting switching pulses for generating AC voltage to be supplied to the power transmission coil 100 on the basis of a command from the frequency setting means 111; and pulse switching means 113 for selecting any of output from the two switching pulse generation means.SELECTED DRAWING: Figure 1 |
