POWER RECEIVING DEVICE, POWER TRANSMITTING DEVICE, AND ELECTRIC VEHICLE
First Claim
1. A power receiving device comprising:
- a power receiving inductor wirelessly receiving electric power from a power transmitting device through mutual inductance;
a capacitor unit connected to the power receiving inductor;
a rectifier converting AC power received via the capacitor unit into DC power;
a communication unit exchanging a power transmission status or a power reception status with the power transmitting device;
a sensor unit performing at least one of received power detection, foreign object detection, and temperature detection; and
a control unit controlling received power based on information received by the communication unit or a result of the detection performed by the sensor unit, whereinthe power receiving inductor includes a magnetic core, a coil winding, and a conductor plate,the magnetic core is provided in a detachable unit detachably attached to a housing of the power receiving device, andthe sensor unit is provided outside the detachable unit.
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Accused Products
Abstract
In one embodiment, a power receiving device includes a power receiving inductor wirelessly receiving electric power from a power transmitting device, a capacitor unit connected to the power receiving inductor, a communication unit exchanging a power transmission status or a power reception status with the power transmitting device, a sensor unit performing at least one of received power detection, foreign object detection, and temperature detection, and a control unit controlling received power based on information received by the communication unit or a result of the detection performed by the sensor unit. The power receiving inductor includes a magnetic core, a coil winding, and a conductor plate. The magnetic core is provided in a detachable unit detachably attached to a housing of the power receiving device. The sensor unit is provided outside the detachable unit.
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Citations
11 Claims
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1. A power receiving device comprising:
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a power receiving inductor wirelessly receiving electric power from a power transmitting device through mutual inductance; a capacitor unit connected to the power receiving inductor; a rectifier converting AC power received via the capacitor unit into DC power; a communication unit exchanging a power transmission status or a power reception status with the power transmitting device; a sensor unit performing at least one of received power detection, foreign object detection, and temperature detection; and a control unit controlling received power based on information received by the communication unit or a result of the detection performed by the sensor unit, wherein the power receiving inductor includes a magnetic core, a coil winding, and a conductor plate, the magnetic core is provided in a detachable unit detachably attached to a housing of the power receiving device, and the sensor unit is provided outside the detachable unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10)
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8. A power receiving device comprising:
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a first power receiving inductor wirelessly receiving electric power from a power transmitting device through first mutual inductance; a capacitor unit connected to the first power receiving inductor; a second power receiving inductor connected to the first power receiving inductor through second mutual inductance; a rectifier converting AC power received via the second power receiving inductor into DC power; a communication unit exchanging a power transmission status or a power reception status with the power transmitting device; a sensor unit performing at least one of received power detection, foreign object detection, and temperature detection; and a control unit controlling received power based on information received by the communication unit or a result of the detection performed by the sensor unit, wherein the first power receiving inductor and the capacitor unit are provided in a detachable unit detachably attached to a housing of the power receiving device, and the sensor unit is provided outside the detachable unit.
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11. A power transmitting device comprising:
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a power source unit supplying a high-frequency power source; a power transmitting inductor wirelessly transmitting electric power from the power source unit to a power receiving device through mutual inductance; a communication unit exchanging a power transmission status or a power reception status with the power receiving device; a sensor unit performing at least one of transmitted power detection, foreign object detection, and temperature detection; and a control unit controlling transmitted power based on information received by the communication unit or a result of the detection performed by the sensor unit, wherein the power transmitting inductor includes a magnetic core, the magnetic core is provided in a detachable unit detachably attached to a housing of the power transmitting device, and the sensor unit is provided outside the detachable unit.
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Specification