Amplification relay device of electromagnetic wave and a radio electric power conversion apparatus using the device

Abstract

Provided is an amplifying repeater to intensify and amplify a magnetic field of electromagnetic waves. Also provided is a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to a transmitter and a receiving coil. Accordingly, charging power for various electronic devices can be provided and power can be wirelessly supplied to various loads.

The invention claimed is: 
     
       1. A wireless power transmitting system comprising:
 an electromagnetic wave generating source comprising a first induction coil and a first condenser connected to the first induction coil; and   a repeater comprising a second induction coil and a second condenser connected to the second induction coil,   wherein the repeater is configured to wirelessly repeat power generated by the electromagnetic wave generating source to a receiver, and   the first induction coil and the second induction coil are positioned on a substantially same plane.   
     
     
       2. The system of  claim 1 , wherein the first induction coil and the second induction coil correspond to a spiral coil type. 
     
     
       3. The system of  claim 2 , wherein
 windings of the first induction coil are configured to form a first circle, and   windings of the second induction coil are configured to form a second circle surrounding the first circle.   
     
     
       4. The system of  claim 2 , wherein the first circle and the second circle correspond to concentric circles. 
     
     
       5. The system of  claim 3 , wherein the first circle and the second circle are configured to be parallel to a third circle formed by windings of a third induction coil included in the receiver. 
     
     
       6. The system of  claim 1 , wherein the first induction coil is not connected through wire to the second induction coil. 
     
     
       7. A wireless power transmitting receiving system comprising:
 a receiver comprising a first induction coil and, a first condenser connected to the first induction coil, a rectifying diode, and a battery; and 
 a repeater comprising a second induction coil and a second condenser connected to the second induction coil, wherein the second induction coil and the second condenser construct a resonance circuit, 
 wherein the repeater is configured to wirelessly repeat power generated output by a an electromagnetic wave generating source transmission coil of an external transmitter to the receiver, and 
 wherein the first induction coil and the second induction coil are positioned on a substantially same plane, 
 wherein both ends of the second induction coil are directly connected to both ends of the second condenser respectively without any intervening element, 
 wherein the second induction coil and the second condenser constitute a closed loop, 
 wherein the rectifying diode rectifies an electromotive force induced in the first induction coil, 
 wherein the battery is charged based on the rectified electromotive force, and 
 windings of the first induction coil are configured to form a first circle, and windings of the second induction coil are configured to form a second circle surrounding the first circle. 
 
     
     
       8. The system of  claim 7 , wherein the first induction coil and the second induction coil correspond to a spiral coil type. 
     
     
       9. The system of  claim 8 , wherein
 windings of the first induction coil are configured to form a first circle, and   windings of the second induction coil are configured to form a second circle surrounding the first circle.   
     
     
       10. The system of claim  9  7, wherein the first circle and the second circle correspond to concentric circles. 
     
     
       11. The system of claim  9  7, wherein the first circle and the second circle are configured to be parallel to a third circle formed by windings of a third induction coil included in the electromagnetic wave generating source the transmission coil. 
     
     
       12. The system of  claim 7 , wherein the first induction coil is not connected through wire to the second induction coil. 
     
     
       13. A wireless power transmitting system comprising:
 an electromagnetic wave generating sourcea transmitter configured to generateoutput power and comprising an AC power generating circuit configured to apply transmission power for outputting the power; 
 a repeater system configured to receive the power from the electromagnetic wave generating source transmitter and wirelessly transmitting the power to a receiver; and 
 a receiver configured to wirelessly receive the power from the repeater system, 
 wherein the repeater system comprises:
 a first repeater comprising a first induction coil positioned on a plane substantially identical to a plane on which an induction coil of the electromagnetic wave generating source transmitter is positioned and a first condenser, wherein the first induction coil and the first condenser construct a first resonance circuit; and 
 a second repeater comprising a second induction coil positioned on a plane substantially identical to a plane on which an induction coil of the receiver is positioned and a second condenser, wherein the second induction coil and the second condenser construct a second resonance circuit, 
 
 wherein both ends of the first induction coil are directly connected to both ends of the first condenser respectively without any intervening element, 
 wherein both ends of the second induction coil are directly connected to both ends of the second condenser respectively without any intervening element, 
 wherein the first induction coil and the first condenser constitute a first closed loop, 
 wherein the second induction coil and the second condenser constitute a second closed loop, 
 wherein the first induction coil is positioned on an outer side of the induction coil of the transmitter, and 
 wherein the second induction coil is positioned on an outer side of the induction coil of the receiver, and the second induction coil and the induction coil of the receiver share a winding center. 
 
     
     
       14. A wireless power transmitting system comprising:
 a repeat LC circuit configured to repeat power received from a transmission LC circuit through resonance; and   a reception LC circuit configured to receive the repeated power through resonance,   wherein the power received at the reception LC circuit through the repeat LC circuit is greater than or equal to 0.28 watts, and   a current of the power received at the reception LC circuit through the repeat LC circuit is greater than or equal to 4.7 milliamps.   
     
     
       15. The system of  claim 14 , wherein an induction coil of the repeat LC circuit is configured to surround an induction coil of the reception LC circuit. 
     
     
       16. A wireless power transmitting system comprising:
 an electromagnetic wave generating source comprising a first induction coil and a first condenser connected to the first induction coil; and   a repeater comprising a second induction coil and a second condenser connected to the second induction coil,   wherein the second induction coil is configured to surround the first induction coil, or the first induction coil is configured to surround the second induction coil.   
     
     
       17. A wireless power transmitting system comprising:
 a receiver comprising a first induction coil and, a first condenser connected to the first induction coil to construct a resonance circuit, a rectifying diode, and a battery; and 
 a repeater comprising a second induction coil and a second condenser connected to the second induction coil to construct a resonance circuit, 
 wherein the second induction coil is configured to surround the first induction coil, or the first induction coil is configured to surround the second induction coil 
 wherein both ends of the second induction coil are directly connected to both ends of the second condenser respectively without any intervening element, 
 wherein the second induction coil and the second condenser constitute a closed loop, 
 wherein the rectifying diode rectifies an electromotive force induced in the first induction coil, 
 wherein the battery is charged based on the rectified electromotive force, and 
 wherein the first induction coil and the second induction coil share a winding center. 
 
     
     
       18. A wireless power transmitting system comprising:
 an electromagnetic wave generating source comprising a first induction coil and a first condenser connected to the first induction coil; and   a repeater comprising a second induction coil and a second condenser connected to the second induction coil,   wherein the repeater is configured to wirelessly repeat power generated by the electromagnetic wave generating source to a receiver, and   the second induction coil is positioned on an outer side or an inner side of the first induction coil.   
     
     
       19. A wireless power transmitting system comprising:
 a receiver comprising a first induction coil and, a first condenser connected to the first induction coil to construct a resonance circuit, a rectifying diode, and a battery; and 
 a repeater comprising a second induction coil and a second condenser connected to the second induction coil to construct a resonance circuit, 
 wherein the repeater is configured to wirelessly repeat power generated outputted by an electromagnetic wave generating source transmitter to the receiver, and 
 the second induction coil is positioned on an outer side or an inner side of the first induction coil, 
 wherein both ends of the second induction coil are directly connected to both ends of the second condenser respectively without any intervening element, 
 wherein the second induction coil and the second condenser constitute a closed loop, 
 wherein the rectifying diode rectifies an electromotive force induced in the first induction coil, 
 wherein the battery is charged based on the rectified electromotive force, and 
 wherein the first induction coil and the second induction coil share a winding center. 
 
     
     
       20. A wireless power receiving system comprising:
 a repeat LC circuit configured to repeat power received from a transmission LC circuit through resonance;   a reception LC circuit configured to receive the repeated power through resonance;   a rectifying diode connected to the reception LC circuit, and   a battery connected to the rectifying diode,   wherein the repeat LC circuit is not physically connected to the transmission LC circuit such that the repeat LC circuit is movable with respect to the transmission LC circuit, thereby a first coil of the repeat LC circuit is positioned substantially parallel to a third coil of the transmission LC circuit,   wherein the repeat LC circuit comprises the first coil and a first condenser connected to the first coil, and the reception LC circuit comprises s second coil and a second condenser connected to the second coil,   wherein the first coil surrounds the second coil,   wherein the rectifying diode rectifies the received power provided from the reception LC circuit, and   wherein the battery is charged based on the rectified power provided from the rectifying diode.   
     
     
       21. The wireless power receiving system of claim 20, wherein windings of the first coil are configured to form a first circle and windings of the second coil are configured to form a second circle. 
     
     
       22. The wireless power receiving system of claim 20, wherein windings of the first coil and windings of the second coil share a winding center. 
     
     
       23. The wireless power receiving system of claim 20, wherein the first coil and the second coil are positioned on a substantially same plane. 
     
     
       24. The wireless power receiving system of claim 20, wherein the first condenser is variable condenser. 
     
     
       25. The wireless power receiving system of claim 24, wherein the variable condenser is for adjusting an efficiency for transferring power incident on the first coil to outside of the first coil by changing a capacitance of the variable condenser.