COIL STRUCTURE OF WIRELESS POWER TRANSMITTER
First Claim
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1. A resonator transmitting power in a resonance mode, the resonator comprising:
- a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and
a second coil including three sub-coils and ferrite plates,wherein the first coil is stacked adjacent to the second coil, and the first coil corresponds to a resonance coil driven in the resonance mode and the second coil corresponds to an induction coil driven in an induction mode, respectively.
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Abstract
According to an embodiment of the present invention, a resonator transmitting power in a resonant mode includes: a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and a second coil including three sub-coils and ferrite plates, and the first coil may be stacked adjacent to the second coil, and the first coil may correspond to a resonance coil driven in the resonance mode and the second coil may correspond to an induction coil driven in an induction mode, respectively.
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Citations
15 Claims
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1. A resonator transmitting power in a resonance mode, the resonator comprising:
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a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and a second coil including three sub-coils and ferrite plates, wherein the first coil is stacked adjacent to the second coil, and the first coil corresponds to a resonance coil driven in the resonance mode and the second coil corresponds to an induction coil driven in an induction mode, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A wireless power transmitter transmitting power to a wireless power receiver, the wireless power transmitter comprising:
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a power supply unit supplying the power to the wireless power transmitter; a matching circuit performing impedance matching; a resonator transmitting the power to the wireless power receiver; and a control unit performing out-of-band communication, wherein the resonator includes a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction, and a second coil including three sub-coils and ferrite plates, and wherein the first coil is stacked adjacent to the second coil, and the first coil corresponds to a resonance coil driven in the resonance mode and the second coil corresponds to an induction coil driven in an induction mode, respectively.
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Specification