Amplification Relay Device of Electromagnetic Wave and a Radio Electric Power Conversion Apparatus Using the Above Device

• US 20080266748A1
• Filed: 07/29/2005
• Published: 10/30/2008
• Est. Priority Date: 07/29/2004
• Status: Active Grant

• Current Assignee: Andong National University Industry Academic Cooperation Foundation, JC Protek Company Limited
• Original Assignee: Andong National University Industry Academic Cooperation Foundation, JC Protek Company Limited
• Inventors: Lee, Hyung-Joo
• Granted Patent: US 7,885,050 B2
• Time in Patent Office: Days
• US Class Current: 361/270
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/502 the energy repeater being integrated together with the emitter or the receiver
• CPC Class Codes: H02J 7/00712 the cycle being controlled or terminated in response to electric parameters
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04B 7/15535 Control of relay amplifier gain amplifier gain control in general H03G3/00; gain control reducing self - or loop interference H04B7/15578

Abstract

The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a pre-determined number of winds to increase an induced electromotive force caused by an increase in flux linkage using a time-varying magnetic field of electromagnetic waves at a position distant from various electromagnetic wave generating sources by a predetermined distance and the induction coil and a variable condenser for inducing resonance are connected to each other to increase current while reducing a resistant component existing in the induction coil to intensify and amplify the magnetic field of electromagnetic waves. Furthermore, the present invention provides 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 the transmitter and receiving coil. The wireless power conversion charging device includes a rectifying diode for rectifying an electromotive force induced in a construction in which a resonance and impedance matching variable condenser is connected to a coil in series or in parallel in order to transmit maximum induced power to a charging battery that is a load using electromagnetic waves amplified by the amplifying repeater, and a smoothing condenser for smoothing the rectified voltage. Accordingly, charging power required for various small power electronic devices can be provided and power can be supplied to various loads.

Claims

1. An electromagnetic wave amplifying repeater capable of amplifying and repeating the magnetic field of electromagnetic waves generated artificially or generated from various electromagnetic wave generating sources, comprising:

an induction coil formed by winding a coil with a predetermined thickness in a desired size and form by a predetermined number of winds;

a magnetic substance having a predetermined size and form, the magnetic substance being combined with the induction coil to increase flux; and

a variable condenser connected to the induction coil to construct a resonance circuit.

2. The electromagnetic wave amplifying repeater as claimed in claim 1, wherein the induction coil wound by the predetermined number of winds is designed and manufactured in a solenoid or spiral form.

3. The electromagnetic wave amplifying repeater as claimed in claim 1, wherein the magnetic substance combined with the induction coil to increase flux is a ferrite core or a substance having magnetism.

4. The electromagnetic wave amplifying repeater as claimed in claim 3, wherein induction coils wound by a predetermined number of winds are connected in series or in parallel to control the resistance and inductance of the induction coils, to thereby effectively generate the magnetic field of electromagnetic waves.

5. The electromagnetic wave amplifying repeater as claimed in claim 4, wherein the variable condenser constructing the resonance circuit is connected to the induction coil in series or in parallel to amplify the magnetic field of electromagnetic waves.

6. A wireless power converter comprising:

an electromagnetic wave amplifying repeater including an induction coil formed by winding a coil with a predetermined diameter in a desired size and form by a predetermined number of winds, a magnetic substance, and a variable condenser, the electromagnetic wave amplifying repeater serving to amplify and repeat the magnetic field of electromagnetic waves generated artificially or generated from various electromagnetic wave generating sources;

an induction coil and a magnetic substance for generating an induced electromotive force using the magnetic field amplified by the amplifying repeater;

a variable condenser for performing resonance and impedance matching, the variable condenser being connected to the induction coil to improve power conversion efficiency;

a rectifying diode for rectifying a voltage induced by the induction coil and the variable condenser; and

a condenser for smoothing the voltage to form a voltage having a desired DC component.

7. The wireless power converter as claimed in claim 6, wherein induction coils wound by a predetermined number of winds are connected in series or in parallel to control the resistance and inductance of the induction coils, to thereby improve power conversion efficiency.

8. The wireless power converter as claimed in claim 6, wherein the amplifying repeater is attached to an electromagnetic wave generating source transmission coil and a receiving coil or to one of the electromagnetic wave generating source transmission coil and the receiving coil, and at least one amplifying repeater is installed between the electromagnetic wave generating source transmission coil and the receiving coil in consideration of the distance between the electromagnetic wave generating source and the receiving coil.

9. The wireless power converter as claimed in claim 8, wherein the amplifying repeater and the receiving coil are designed and manufactured in a solenoid or spiral form.

10. The wireless power converter as claimed in claim 6, wherein the amplifying repeater and the wireless power converter including the amplifying repeater further comprise an electromagnetic wave generating source to which a spiral or solenoid transmission coil artificially generating electromagnetic waves is attached.

11. The wireless power converter as claimed in claim 6, wherein the wireless power converter is constructed in such a manner that an induction coil is wound round one side of a core wound by a transmission coil of an artificial electromagnetic wave generating source and the induction coil is connected to a capacitor to construct an amplifying repeater, that an induction coil is wound round one side of a core wound by a receiving coil and the induction coil is connected to a capacitor to construct an amplifying repeater, or that amplifying repeaters are respectively set at both sides of the core of the transmission coil and receiving coil.

12. The wireless power converter using an electromagnetic wave amplifying repeater as claimed in claim 6, wherein the wireless power converter is constructed in such a manner that a spiral coil is wound round the outside of a transmission spiral coil of an artificial electromagnetic wave generating source and connected to a capacitor to construct an amplifying repeater, that a spiral coil is wound round the outside a receiving spiral coil and connected to a capacitor to construct an amplifying repeater, and that spiral coils are respectively wound around the outsides of transmission and receiving spiral coils and connected to a capacitor to construct an amplifying repeater.