Tunable/de-tunable wireless power resonator system and related methods
View Patent ↗A wireless power transmission (WPT) system. Implementations may include a power source coupled with a first wireless power transmission (WPT) system and a load coupled with a second WPT system including a sense circuit. The second WPT system, using the sense circuit, may be configured to dynamically tune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of a desired voltage or a desired power to the load. The desired resonance frequency value may be less than a maximum possible resonance frequency value. The first WPT system may be capable of transmitting more voltage or more power than the second WPT system or the load can receive without inducing damage to the second WPT system or the load.
1. A wireless power transmission system comprising:
a first wireless power transmission (WPT) system coupled to a second WPT system; and
a sense circuit, wherein the sense circuit is configured to dynamically detune a resonance of the second WPT system with the first WPT system;
wherein the second WPT system is configured to couple with a load;
wherein the second WPT system is configured to detune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of one of a desired voltage or a desired power to the load without damaging one of the second WPT system or the load; and
wherein the sense circuit is configured to adjust a capacitance of the second WPT system through adjusting a voltage bias of a voltage dependent capacitor comprised in the second WPT system using the sense circuit.
2. The system of claim 1 , wherein a sense circuit is configured to tune a resonance of the second WPT system with the first WPT system through adjusting one of a frequency transmitted by the first WPT system and a frequency received by the second WPT system.
3. The system of claim 1 , wherein the second WPT system comprises at least one stage comprising at least a first coil and a sense circuit is configured to tune a resonance of the second WPT system with the first WPT system through detuning of the at least first coil to the desired resonance frequency value.
4. The system of claim 1 , further comprising a third WPT system coupled to the first WPT system.
5. The system of claim 4 , wherein the third WPT system is configured to detune a resonance of the third WPT system with the first WPT system to a desired resonance frequency value to allow transfer of one of a desired voltage or a desired power to a second load without damaging one of the third WPT system or the second load.
6. The system of claim 1 , wherein the second WPT system comprises a two stage resonator comprising a first coil and a second coil.
7. The system of claim 1 , wherein the second WPT system comprises a single stage resonator comprising a first coil.
8. A wireless power transmission system comprising:
a first wireless power transmission (WPT) system coupled to a second WPT system; and
wherein the second WPT system comprises a sense circuit, wherein the sense circuit is configured to dynamically detune a resonance of the second WPT system with the first WPT system;
wherein the second WPT system is configured to couple with a load;
wherein the second WPT system is configured to dynamically detune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of one of a desired voltage or a desired power to the load without damaging one of the second WPT system or the load; and
wherein the sense circuit is configured to adjust a capacitance of the second WPT system through adjusting a voltage bias of a voltage dependent capacitor comprised in the second WPT system using the sense circuit.
9. The system of claim 8 , wherein the second WPT system comprises a sense circuit configured to tune a resonance of the second WPT system with the first WPT system through adjusting one of a frequency transmitted by the first WPT system and a frequency received by the second WPT system.
10. The system of claim 8 , wherein the second WPT system comprises at least one stage comprising at least a first coil and a sense circuit is configured to tune a resonance of the second WPT system with the first WPT system through detuning of the at least first coil to the desired resonance frequency value.
11. The system of claim 8 , further comprising a third WPT system coupled to the first WPT system.
12. The system of claim 11 , wherein the third WPT system is configured to detune a resonance of the third WPT system with the first WPT system to a desired resonance frequency value to allow transfer of one of a desired voltage or a desired power to a second load without damaging one of the third WPT system or the second load.
13. The system of claim 8 , wherein the second WPT system comprises a two stage resonator comprising a first coil and a second coil.
14. The system of claim 8 , wherein the second WPT system comprises a single stage resonator comprising a first coil.
15. A wireless power transmission system comprising:
a first wireless power transmission (WPT) system coupled to a second WPT system, the second WPT system comprising a sense circuit;
wherein the second WPT system is configured to couple with a load;
wherein the sense circuit is configured to dynamically detune a resonance of the second WPT system with the first WPT system to a desired resonance frequency value to allow transfer of one of a desired voltage or a desired power to the load without damaging one of the second WPT system or the load and
wherein the sense circuit is configured to adjust a capacitance of the second WPT system through adjusting a voltage bias of a voltage dependent capacitor comprised in the second WPT system using the sense circuit.