OPEN TYPE RESONANCE COIL WITHOUT DUAL LOOPS HAVING SERIAL TYPE IN-PHASE DIRECT POWER FEEDING METHOD WITHOUT DUAL LOOPS

• US 20170155285A1
• Filed: 11/30/2016
• Published: 06/01/2017
• Est. Priority Date: 11/30/2015
• Status: Abandoned Application

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: MOON, Jung Ick, JEON, Sang Bong, KIM, Seong Min, AHN, Duk Ju, YUN, Je Hoon, CHO, In Kui
• Application Number:
  US15/364,443
• Publication Number:
  US 20170155285A1
• Time in Patent Office: Days
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment

Abstract

An open type resonance coil without dual loops having a serial type in-phase direct power feeding method without dual loops is provided. A transmission device is configured as two resonators and to feed power in phase, the transmission device is configured as a power feeding loop without a resonance coil, two transmission devices are connected in series, and winding directions of coils of half of the two transmission devices connected by a conductive wire are opposite.

Claims

1. A transmitter, comprising:

at least two transmission devices configured to radiate wireless energy into space using an in-phase direct power feeding method, and connected in series;

a radio frequency (RF) signal generator configured to generate a wireless signal;

a power amplifier configured to amplify the wireless signal generated by the RF signal generator;

an impedance matching unit configured to increase energy transmission efficiency of the wireless signal amplified by the power amplifier, and transmit the wireless signal through the transmission devices; and

a main control unit (MCU) configured to control the RF signal generator to generate the wireless signal by exchanging information with a receiver.

2. The transmitter of claim 1, wherein the transmission devices are configured as a power feeding loop without a resonance coil.

3. The transmitter of claim 1, wherein the transmission devices include two coils having a short circuit structure, and winding directions of the two coils are opposite.

4. The transmitter of claim 1, wherein the transmission devices include two or more resonance coils having a short circuit structure, and the two or more resonance coils are arranged to be adjacent to each other.

5. The transmitter of claim 4, wherein the resonance coils are arranged to be in parallel above and below.

6. The transmitter of claim 4, wherein the resonance coils are arranged to be horizontal inside and outside.

7. The transmitter of claim 6, wherein the resonance coils have a structure in which a capacitor is connected to the resonance coil located inside.

8. A receiver, comprising:

a reception device configured to receive wireless energy from space in a direct power feeding method;

an alternating current (AC)/direct current (DC) converter configured to convert the wireless energy of the received AC signal into a DC signal so that a load uses the wireless energy of the received AC signal;

an impedance matching unit configured to improve wireless energy transmission efficiency of the reception device; and

a main control unit (MCU) configured to control the reception device to generate the wireless signal by exchanging information with a transmitter.

9. The receiver of claim 8, wherein the reception device is configured as a power feeding loop without a resonance coil.

10. The receiver of claim 8, wherein the reception device includes two or more resonance coils having a short circuit structure, and the two or more resonance coils are arranged to be adjacent to each other.

11. The receiver of claim 10, wherein the resonance coils are arranged to be in parallel above and below.

12. The receiver of claim 10, wherein the resonance coils are arranged to be horizontal inside and outside.

13. The receiver of claim 12, wherein the resonance coils have a structure in which a capacitor is connected to the resonance coil located inside.

14. The receiver of claim 8, wherein the reception device is a one-turn loop.