FIELD: electrical engineering.
SUBSTANCE: coil unit (100) for wirelessly supplying power for transmitting or receiving power wirelessly includes coil (15) having a hollow fragment and a coil axis in a vertical direction, first magnetic body (11) having hole (11a) in position corresponding to hollow fragment of coil (15), second magnetic body (12) having plate-like shape and arranged in hollow fragment of coil (15) on one side of first magnetic body (11), and insulating plate (14) inserted between first magnetic body (11) and second magnetic body (12). Coil unit has high rigidity of magnetic bodies surface and prevents or reduces dielectric breakdown between contact surfaces of magnetic bodies.
EFFECT: technical result consists in reduction of breakdown probability.
7 cl, 6 dwg
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