Conductive layer of a large surface for distribution of power using capacitive power transfer

• US 9,941,930 B2
• Filed: 08/13/2012
• Issued: 04/10/2018
• Est. Priority Date: 08/16/2011
• Status: Expired due to Fees

• Current Assignee: Signify Holding B.V. (Signify N.V.)
• Original Assignee: Philips Lighting BV (Koninklijke Philips N.V.)
• Inventors: Waffenschmidt, Eberhard, Van Den Biggelaar, Theodorus Johannes Petrus, Sempel, Adrianus, Willemsen, Oscar Hendrikus, Van Goor, Dave Willem, Van Der Zanden, Henricus Theodorus, Van Herpen, Maarten Marinus Johannes Wilhelmus
• Primary Examiner(s): Fleming, Fritz M
• Assistant Examiner(s): DHILLON, JAGDEEP S
• Application Number:
  US14/237,902
• Publication Number:
  US 20140292103A1
• Time in Patent Office: 2,066 Days
• Field of Search: 307109, 307104, 307 80, 307 66, 333 24 R, 345211, 345213
• CPC Class Codes: G09G 5/00 Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators image data processing or generation, in general G06T
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H04B 5/22 Capacitive coupling
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer

Abstract

An article of manufacture for supplying a power to a load connected in a capacitive power transfer system comprises a sheet (210) of a non-conductive material; and a plurality of conductive stripes (220), each two adjacent conductive stripes being electrically insulated from each other, wherein the sheet forms an insulating layer of the capacitive power transfer system and the plurality of conductive stripes form at least a pair of transmitter electrodes of the capacitive power transfer system.

Claims

1. An article of manufacture for supplying a power to a load connected in a capacitive power transfer system, comprising:

a sheet of a non-conductive material; and

a plurality of conductive stripes, embodied in the sheet, each conductive stripe being electrically insulated from each other conductive stripe, wherein the sheet forms an insulating layer of the capacitive power transfer system and the plurality of conductive stripes form at least a pair of transmitter electrodes of the capacitive power transfer system, wherein a first set of stripes of the plurality of conductive stripes is connected to a first potential via a first conducting line embodied in the sheet, and the second set of stripes of the plurality of conductive stripes is connected to a second potential via a second conducting line embodied in the sheet, wherein the plurality of conductive stripes cover a major portion of the surface of the sheet.

2. The article of manufacture of claim 1, wherein the sheet material is any one of:

a wallpaper, gypsum, a polymer sheet, high pressure laminate, glass, medium-density fiberboard (MDF), and a sacrificial layer.

3. The article of manufacture of claim 1, further having an interface for connecting to a baseboard, the baseboard comprising a first conducting line connected to the first conductive stripe and a second conducting line connected to the second conductive stripe.

4. The article of manufacture of claim 1, further comprising a protective layer coating the plurality of conductive stripes.

5. The article of manufacture of claim 1, wherein a power signal generated by a power driver is wirelessly transferred from the pair of transmitter electrodes coupled to the insulating layer to a pair of receiver electrodes connected to the load and an inductor to power the load when a frequency of the power signal substantially matches a series-resonance frequency of the inductor and the capacitive impedance formed between the pair of transmitter electrodes and the receiver electrodes.

6. The article of manufacture of claim 1, wherein the conductive stripes comprise one of:

conductive ink, conductive paint.

7. An article of manufacture for supplying a power to a load connected in a capacitive power transfer system, comprising:

an insulating surface having a width and a length, the insulating surface further having a first edge, defining a first boundary of the insulating surface, and a second edge, defining a second boundary of the insulating surface, wherein the second edge is opposite the first edge;

a first segment made of an electricity conducting material affixed to a length of the first edge of the insulating surface;

a second segment made of an electricity conducting material affixed to a length of the second edge of the insulating surface, the second segment being electrically isolated from the first edge, wherein the first segment is connected to an electric potential of a first polarity and the second segment is connected to an electric potential of a second polarity that is opposite to the first polarity, wherein the first and second segments form at least a pair of transmitter electrodes of the capacitive power transfer system.

8. The article of manufacture of claim 7, further comprising a first supply line and a second supply line wherein the first supply line is connected to the first segment, and wherein the first line and second line intersect without electrically connecting.

9. The article of manufacture of claim 7, wherein the first segment and the second segment are made of any one of:

Iron, Steel, and Aluminum.

10. An article of manufacture for supplying a power to a load coupled to a capacitive power transfer system, comprising:

an insulating surface;

a segment made of an electricity conducting material affixed to the insulating surface, the segment forming a first electrode of a transmitter of the capacitive power transfer system;

a first supply line connected to the segment; and

a second supply line, wherein the first supply line and second supply line intersect without electrically connecting, such that the first supply line and second supply line crossover, wherein the first supply line and second supply line reach a boundary of the insulating surface, to allow for an alternate potential connection to another segment of an abutting article of manufacture for supplying a power grid for a capacitive power, the other segment forming a second electrode of the transmitter of the capacitive power transfer system.

11. An article of manufacture for supplying a power to a load coupled to a capacitive power transfer system, comprising:

an insulating surface;

a first segment made of an electricity conducting material affixed to the insulating surface, the first segment forming a first electrode of a transmitter of the capacitive power transfer system;

a second segment made of an electricity conducting material affixed to the insulating surface, the second segment forming a second electrode of a transmitter of the capacitive power transfer system;

a first supply line running over the first segment and the second segment, and having a first contact to the first segment, wherein a connection is made between the first contact and the first segment, the first segment operating as a first electrode of a transmitter of the capacitive power transfer system; and

a second supply line running over the first segment and the second segment, and having a second contact to the segment, wherein a connection is made between the second contact and the second segment, the second segment operating as a second electrode of the transmitter of the capacitive power transfer system.

12. An article of manufacture for supplying a power to a load connected in a capacitive power transfer system, comprising:

a plurality of insulating layers made of a non-conductive material; and

at least a pair of conductive layers made of an electricity conducting material, wherein the plurality of conductive layers are arranged in a stacked configurations and are isolated from each other by one of the plurality of insulating layers, wherein a first conductive layer of the pair of conductive layers comprises a plurality of conductive stripes and is connected to an electric potential of a first polarity and a second conductive layer of the pair of conductive layers comprises a plurality of conductive stripes and is connected to an electric potential of a second polarity that is opposite to the first polarity, wherein the pair of conductive layers form at least a pair of transmitter electrodes of the capacitive power transfer system.

13. The article of manufacture of claim 12, wherein the non-conductive material and the electricity conducting material are flexible materials.