摘要:
A module for use in a wireless power system, the module comprising: a resonator circuit comprising an inductive element formed by at least one loop of conductive material, the resonator circuit comprising additional circuitry electrically connected directly to the inductive element to couple power between the inductive element and an external circuit having an impedance Zo, wherein the inductive element forms a resonator with at least a portion of the additional circuitry , wherein the additional circuitry has two terminals for connecting to the external circuit, and wherein the external circuit comprises a power supply or a load, wherein the resonator is a high-Q resonator having an intrinsic Q greater than 100 for a resonant frequency f between 10 kHz and 100 MHz, and wherein the two terminals for connecting the additional circuitry to the external circuit are located at points that are electrically symmetric with respect to an axis defined by voltage-node points for the resonator.
摘要:
Described herein are improved capabilities for a system and method for wireless energy distribution to a mechanically removable vehicle seat, comprising a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a resonant frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface, and a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator having a resonant frequency similar to that of the source resonator, and receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.
摘要:
The disclosure features systems for wireless power transfer that include a resonator featuring a coil with at least two windings and at least one inductor having an inductance value, where the at least one inductor is connected in series to at least one of the windings, and where the inductance value is selected so that when the coil carries a current during operation of the system, the at least one inductor maintains a distribution of current flows among the at least two windings such that for each of the at least two windings, an actual current flow in the winding differs from a target current flow for the winding by 10% or less.
摘要:
The disclosure features systems for wireless power transfer that include a resonator featuring a coil with at least two windings and at least one inductor having an inductance value, where the at least one inductor is connected in series to at least one of the windings, and where the inductance value is selected so that when the coil carries a current during operation of the system, the at least one inductor maintains a distribution of current flows among the at least two windings such that for each of the at least two windings, an actual current flow in the winding differs from a target current flow for the winding by 10% or less.
摘要:
Described herein are improved configurations for a wireless power converter that includes at least one receiving magnetic resonator configured to capture electrical energy received wirelessly through a first oscillating magnetic field characterized by a first plurality of parameters, and at least one transferring magnetic resonator configured to generate a second oscillating magnetic field characterized by a second plurality of parameters different from the first plurality of parameters, wherein the electrical energy from the at least one receiving magnetic resonator is used to energize the at least one transferring magnetic resonator to generate the second oscillating magnetic field.
摘要:
A method includes defining and storing one or more attributes of a source resonator and a device resonator forming a system, defining and storing the interaction between the source resonator and the device resonator, modeling the electromagnetic performance of the system to derive one or more modeled values and utilizing the derived one or more modeled values to design an impedance matching network.
摘要:
Described herein are improved configurations for a wireless power transfer for electronic devices that include at least one source magnetic resonator including a capacitively-loaded conducting loop coupled to a power source and configured to generate an oscillating magnetic field and at least one device magnetic resonator, distal from said source resonators, comprising a capacitively-loaded conducting loop configured to convert said oscillating magnetic fields into electrical energy, wherein at least one said resonator has a keep-out zone around the resonator that surrounds the resonator with a layer of non-lossy material.
摘要:
Described herein are improved capabilities for a system and method for wireless energy distribution to a mechanically removable vehicle seat, comprising a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a resonant frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface, and a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator having a resonant frequency similar to that of the source resonator, and receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.