POWER-SUPPLYING DEVICE, AND WIRELESS POWER-SUPPLYING SYSTEM
First Claim
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1. A power-supplying device, comprising:
- an inverter circuit;
a resonance circuit connected to the inverter circuit and configured to transfer alternating current power to a power-receiving device in a wireless manner; and
a switching control unit configured to adjust a parameter of respective switching signals that control ON and OFF of respective switching elements constituting the inverter circuit so that an inter-terminal voltage of a specific element constituting the inverter circuit or the resonance circuit does not exceed a predetermined limit value.
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Abstract
A power-supplying device including an inverter circuit, a resonance circuit connected to the inverter circuit and configured to transfer alternating current power to a power-receiving device in a wireless manner, and a switching control unit that adjusts a parameter of respective switching signals that control ON and OFF of respective switching elements constituting the inverter circuit so that an inter-terminal voltage of a specific element constituting the inverter circuit or the resonance circuit does not exceed a predetermined limit value.
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Citations
10 Claims
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1. A power-supplying device, comprising:
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an inverter circuit; a resonance circuit connected to the inverter circuit and configured to transfer alternating current power to a power-receiving device in a wireless manner; and a switching control unit configured to adjust a parameter of respective switching signals that control ON and OFF of respective switching elements constituting the inverter circuit so that an inter-terminal voltage of a specific element constituting the inverter circuit or the resonance circuit does not exceed a predetermined limit value. - View Dependent Claims (2, 3, 4, 5)
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6. A power-supplying device, comprising:
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a voltage converter which receives power based on power supplied from outside; an inverter circuit connected to the voltage converter; a resonance circuit connected to the inverter circuit and configured to transfer alternating current power to a power-receiving device in a wireless manner; and a switching control unit configured to control the voltage converter or the inverter so that an inter-terminal voltage of a specific element constituting the voltage converter circuit, the inverter circuit, or the resonance circuit does not exceed a predetermined limit value, wherein the switching control unit configured to perform at least one of adjusting a transformation ratio of the voltage converter so that the inter-terminal voltage does not exceed a predetermined limit value, and adjusting a parameter of respective switching signals that control ON and OFF of respective switching elements constituting the inverter circuit.
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7. A wireless power-supplying system, comprising:
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a power-supplying device including an inverter circuit, a first resonance circuit connected to the inverter circuit and configured to transfer alternating current power to a power-receiving device in a wireless manner, and a switching control unit configured to adjust a parameter of respective switching signals that control ON and OFF of respective switching elements constituting the inverter circuit so that a first inter-terminal voltage of a specific element constituting the inverter circuit or the first resonance circuit does not exceed a predetermined limit value; a second resonance circuit configured to receive the alternating current power from the power-supplying device in a wireless manner; and a rectification circuit connected to the second resonance circuit and configured to supply power to a battery. - View Dependent Claims (8, 9, 10)
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Specification