POWER TRANSMITTING ANTENNA AND POWER TRANSMITTING DEVICE APPLYING THE SAME

• US 20180062446A1
• Filed: 08/10/2017
• Published: 03/01/2018
• Est. Priority Date: 08/31/2016
• Status: Active Grant

• Current Assignee: Nanjing Silergy Semiconductor (Hong Kong) Technology Ltd.
• Original Assignee: Silergy Semiconductor Technology (Hangzhou) Ltd. (Silergy Corporation)
• Inventors: Zhao, Chen, Sun, Tong, Zhang, Wang
• Granted Patent: US 11,139,689 B2
• Time in Patent Office: Days
• CPC Class Codes: H01F 2005/027 wound on formers for receiving several coils with perpendicular winding axes, e.g. for antennae or inductive power transfer
• CPC Class Codes: H01F 27/006 with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
• CPC Class Codes: H01F 27/2823 Wires H01F27/2866 takes precedence
• CPC Class Codes: H01F 27/325 Coil bobbins formers for coils in general H01F5/02
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H01F 5/02 wound on non-magnetic supports, e.g. formers
• CPC Class Codes: H01Q 1/248 provided with an AC/DC converting device, e.g. rectennas
• CPC Class Codes: H01Q 1/38 formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 21/29 Combinations of different interacting antenna units for giving a desired directional characteristic H01Q25/00 takes precedence
• CPC Class Codes: H01Q 7/00 Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• CPC Class Codes: H02J 50/005 Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• CPC Class Codes: H02J 50/12 of the resonant type

Abstract

A power transmitting device for a contactless power supply, can include: a power transmitting antenna having a plurality of transmitting coils; where each of the plurality of transmitting coils comprises a coil turn or a plurality of concentric coil turns with a substantially coplanar setting and having a coil surface; where an axis of each of the plurality of transmitting coils is axially perpendicular to the power transmitting antenna; and where the axis of each of the plurality of transmitting coils forms a predetermined angle with respect to each other.

Claims

1. A power transmitting device for a contactless power supply, the power transmitting device comprising:

a) a power transmitting antenna having a plurality of transmitting coils;

b) wherein each of said plurality of transmitting coils comprises a coil turn or a plurality of concentric coil turns with a substantially coplanar setting and having a coil surface;

c) wherein an axis of each of said plurality of transmitting coils is axially perpendicular to said power transmitting antenna; and

d) wherein said axis of each of said plurality of transmitting coils forms a predetermined angle with respect to each other.

2. The power transmitting device of claim 1, wherein an angle between said axis of each of said transmitting coils and an axis of an adjacent transmitting coil is 180/N, wherein N is the number of said plurality of transmitting coils.

3. The power transmitting device of claim 1, wherein planes in which said plurality of transmitting coils are located intersect at an axis of said power transmitting antenna.

4. The power transmitting device of claim 1, wherein said plurality of transmitting coils are formed as a cylinder.

5. The power transmitting device of claim 1, wherein said plurality of transmitting coils are formed as a pyramid.

6. The power transmitting device of claim 1, wherein said plurality of transmitting coils are formed as a frustum.

7. The power transmitting device of claim 1, wherein said plurality of transmitting coils are formed as a prism.

8. The power transmitting device of claim 1, wherein said plurality of transmitting coils are formed as an irregular shape.

9. The power transmitting device of claim 1, wherein each of said plurality of transmitting coils comprises:

a) a coil carrier that defines said coil surface; and

b) a conducting wire formed on said coil surface defined by said coil carrier.

10. The power transmitting device of claim 9, wherein said coil carrier comprises a flexible circuit board.

11. The power transmitting device of claim 9, wherein said coil carrier comprises a bobbin.

12. The power transmitting device of claim 1, wherein each of said transmitting coil comprises:

a) a coil carrier for defining said coil surface; and

b) a conducting wire formed on said coil surface wound on said coil carrier.

13. The power transmitting device of claim 12, wherein said coil carrier comprises a flexible circuit board.

14. The power transmitting device of claim 12, wherein said coil carrier comprises a bobbin.