Non-contact type charger and non-contact type battery
First Claim
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1. A non-contact type charger comprising:
- a plurality of power transmitting coils transmitting power in a non-contact manner; and
a power converting unit controlling the power transmitted by the plurality of power transmitting coils depending on coupling coefficients,wherein the coupling coefficients are calculated on the basis of power state information of the plurality of power transmitting coils and a plurality of power receiving coils which receive the power transmitted by the plurality of power transmitting coils to charge a plurality of battery cells connected thereto with the power,wherein the power converting unit includes;
a switching unit switching the power transmitted by the plurality of power transmitting coils; and
a switching control unit controlling the power switching of the switching unit, depending on the coupling coefficients.
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Abstract
There is provided a non-contact type charger including: a plurality of power transmitting coils transmitting power in a non-contact manner; and a power converting unit controlling the power transmitted by the plurality of power transmitting coils depending on coupling coefficients, wherein the coupling coefficients are set by transmitting power state information between each of the plurality of power transmitting coils and a plurality of power receiving coils which receive the power transmitted by the plurality of power transmitting coils to charge a plurality of battery cells connected thereto with the power.
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Citations
16 Claims
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1. A non-contact type charger comprising:
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a plurality of power transmitting coils transmitting power in a non-contact manner; and a power converting unit controlling the power transmitted by the plurality of power transmitting coils depending on coupling coefficients, wherein the coupling coefficients are calculated on the basis of power state information of the plurality of power transmitting coils and a plurality of power receiving coils which receive the power transmitted by the plurality of power transmitting coils to charge a plurality of battery cells connected thereto with the power, wherein the power converting unit includes; a switching unit switching the power transmitted by the plurality of power transmitting coils; and a switching control unit controlling the power switching of the switching unit, depending on the coupling coefficients. - View Dependent Claims (2, 3, 4, 5)
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6. A non-contact type charger comprising:
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a power unit supplying direct current (DC) power; a switching unit switching the DC power supplied by the power unit; a plurality of power transmitting coils transmitting the power in a non-contact manner, depending on the power switching of the switching unit; a detecting unit detecting power state changes in the plurality of power transmitting coils to provide power state information to be transmitted between each of the plurality of power transmitting coils and a plurality of power receiving coils which receive the power transmitted by the plurality of power transmitting coils to charge a plurality of battery cells connected thereto with the power; and a control unit controlling the power switching of the switching unit based on coupling coefficients between the plurality of power transmitting coils and the plurality of power receiving coils, depending on a detection result of the detecting unit. - View Dependent Claims (7, 8, 9)
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10. A non-contact type battery comprising:
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a plurality of power receiving coils receiving power from at least one of a plurality of power transmitting coils in a non-contact manner, depending on coupling coefficients calculated by power state information transferred between a power receiving side and a power transmitting side; a charging control unit converting the received power into charging power; and a plurality of battery cells receiving the charging power from the charging control unit to be charged with the charging power, wherein the charging control unit includes; a rectifying unit rectifying the power received from a corresponding power receiving coil; a regulator regulating the power rectified by the rectifying unit into the charging power; and a control unit controlling an operational state of at least one of the rectifying unit and the regulator, depending on a state of the power received by the corresponding power receiving coil, wherein the control unit calculates a coupling coefficient between the corresponding power receiving coil and the corresponding power transmitting coil, depending on the state of the power received by the corresponding power receiving coil, and controls the operational state of at least one of the rectifying unit and the regulator to adjust the state of the power received by the corresponding power receiving coil and transmit information regarding the coupling coefficient to the power transmitting side. - View Dependent Claims (11, 12)
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13. A non-contact type charger comprising:
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a power transmitting device including a plurality of power transmitting coils transmitting power in a non-contact manner; and a power receiving device including a plurality of power receiving coils receiving the power transmitted by the plurality of power transmitting coils in a non-contact manner to charge a plurality of battery cells, respectively connected to the plurality of power receiving coils, with the power, wherein the power charged in each of the plurality of battery cells is controlled depending on coupling coefficients between the plurality of power transmitting coils and the plurality of power receiving coils, wherein the power transmitting device and the power receiving device perform bidirectional communications to calculate a coupling coefficient therebetween. - View Dependent Claims (14, 15, 16)
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Specification