Wireless power transmitter, wireless power receiver and wireless charging system in home appliances
First Claim
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1. A wireless power receiver comprising:
- a first coil configured to transmit and receive a wireless signal to and from a wireless power transmitter;
a second coil having a wire wound to receive power from the wireless power transmitter in a wireless manner; and
a controller configured to control the transmission and reception of the wireless power signal and the reception of the wireless power,wherein the first coil and the second coil are disposed neighboring to each other,wherein the wire of the first coil has a smaller number of turns than the wire of the second coil,wherein the wire of the first coil is wound along an outer edge of the second coil, andwherein the second coil has a thickness of 1.15 mm ±
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Abstract
The present disclosure relates to a wireless power transmitter, a wireless power receiver and a wireless charging system in a wireless power transfer field. A wireless power transmitter disclosed herein includes a first coil configured to transfer a wireless power signal to a wireless power receiver, a second coil having a wire wound to transfer power to the wireless power receiver in a wireless manner, and a controller configured to control operations of the first and second coils, wherein the first coil is provided with a wire wound along an edge of a shape of the second coil.
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Citations
19 Claims
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1. A wireless power receiver comprising:
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a first coil configured to transmit and receive a wireless signal to and from a wireless power transmitter; a second coil having a wire wound to receive power from the wireless power transmitter in a wireless manner; and a controller configured to control the transmission and reception of the wireless power signal and the reception of the wireless power, wherein the first coil and the second coil are disposed neighboring to each other, wherein the wire of the first coil has a smaller number of turns than the wire of the second coil, wherein the wire of the first coil is wound along an outer edge of the second coil, and wherein the second coil has a thickness of 1.15 mm ±
0.3. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless charging system comprising a wireless power transmitter and a wireless power receiver,
wherein the wireless power receiver comprises: -
a first coil configured to transmit and receive a wireless signal to and from a single coil of the wireless power transmitter; and a second coil having a wire that is wound to receive power from the single coil of the wireless power transmitter in a wireless manner, wherein the wire has a shape corresponding to a shape of the first coil, wherein the wire of the first coil has a smaller number of turns than the wire of the second coil, wherein the wire of the first coil is wound along an outer edge of the second coil, and wherein the second coil has a thickness of 1.15 mm ±
0.3. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification