Energy transfer through coupling from photovoltaic modules

• US 20110017282A1
• Filed: 07/24/2009
• Published: 01/27/2011
• Est. Priority Date: 07/24/2009
• Status: Abandoned Application

• Current Assignee: MiaSole Incorporated (Wei Jun Li)
• Original Assignee: MiaSole Incorporated (Wei Jun Li)
• Inventors: Tas, Robert, Schultz, Aaron
• Application Number:
  US12/460,847
• Publication Number:
  US 20110017282A1
• Time in Patent Office: Days
• US Class Current: 136/252
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H01L 31/042 PV modules or arrays of single PV cells supporting structures for PV modules H02S20/00
• CPC Class Codes: H02J 50/05 using capacitive coupling
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: Y02E 10/50 Photovoltaic [PV] energy

Abstract

A photovoltaic module assembly includes a photovoltaic module which is capable of wirelessly coupling to an energy-receiving device in order to transfer energy.

Claims

1. A photovoltaic module assembly for transferring energy through inductive coupling from photovoltaic modules to energy-receiving devices, the photovoltaic module assembly comprising:

a photovoltaic module configured to transfer energy to an energy receiving device through wireless coupling.

2. The photovoltaic module assembly of claim 1, wherein the energy transfer occurs through non-conductive pathways.

3. The photovoltaic module assembly of claim 1, wherein the wireless coupling is inductive coupling.

4. The photovoltaic module assembly of claim 3, wherein the photovoltaic module assembly comprises an E-core inductive coupling device.

5. The photovoltaic module assembly of claim 1, wherein the wireless coupling is capacitive coupling.

6. The photovoltaic module assembly of claim 5, wherein the photovoltaic module comprises two metal plates.

7. The photovoltaic module assembly of claim 1, wherein a substantially electrically non-conductive medium is disposed between the photovoltaic module and the energy-receiving device.

8. The photovoltaic module assembly of claim 7, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 0.01 ohm·

cm and 1.0×

10¹⁷ ohm·

cm.

9. The photovoltaic module assembly of claim 7, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 1.0 ohm·

cm and 1.0×

10¹⁵.

10. The photovoltaic module assembly of claim 1, wherein the photovoltaic module and the energy-receiving device are sealed together from an outside environment.

11. The photovoltaic module assembly of claim 1, wherein the photovoltaic module and the energy-receiving device are each sealed separately from the outside environment.

12. The photovoltaic module assembly of claim 1, wherein the energy is in the form of alternating current produced by conversion of direct current by electronic circuitry of the photovoltaic module.

13. The photovoltaic module assembly of claim 12, wherein the electronic circuitry comprises a DC/AC converter.

14. The photovoltaic module assembly of claim 12, wherein the electronic circuitry is contained in the photovoltaic module.

15. A method of transferring energy from photovoltaic modules to an energy-receiving device through wireless coupling, the method comprising:

transferring energy from a photovoltaic module to an energy-receiving device through wireless coupling; and

wherein the energy is transferred through a substantially electrically non-conductive medium.

16. The photovoltaic module assembly of claim 15, wherein the energy transfer occurs through non-conductive pathways.

17. The method as recited in claim 16, wherein the substantially electrically non-conductive medium is selected such that its resistivity is less than between 0.01 ohm·

cm and 1.0×

10¹⁷ ohm·

cm.

18. The photovoltaic module assembly of claim 16, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 1.0 ohm·

cm and 1.0×

10¹⁵

19. The method as recited in claim 15, wherein the photovoltaic module and the energy-receiving device are sealed together from an outside environment.

20. The method as recited in claim 15, wherein the photovoltaic module and the energy-receiving device are each sealed separately from the outside environment.

21. The method as recited in claim 15, wherein the energy being transferred is in the form of alternating current that is produced by electronic circuitry of the photovoltaic module.

22. The photovoltaic module assembly of claim 21, wherein the electronic circuitry comprises a DC/AC converter.

23. The method as recited in claim 21, wherein the electronic circuitry is contained in the photovoltaic module.

24. The method as recited in claim 15, wherein the wireless coupling is inductive coupling.

25. The method as recited in claim 15, wherein the wireless coupling is capacitive coupling.

26. The method as recited in claim 15, wherein the energy-receiving device is a battery.

27. The method as recited in claim 15, wherein the energy-receiving device is a power conditioning system or LOAD.

28. A photovoltaic module assembly, comprising:

a photovoltaic module comprising at least one photovoltaic cell; and

a wireless transmission device configured to wirelessly transmit energy generated by the at least one photovoltaic cell to a receiving device.

29. The photovoltaic module assembly of claim 28, wherein the wireless transmission device comprises an inductive transmission device.

30. The photovoltaic module assembly of claim 28, wherein the wireless transmission device comprises a capacitive transmission device.

31. The photovoltaic module assembly of claim 28, further comprising a DC to AC converter electrically connected between the at least one photovoltaic cell and the wireless transmission device, wherein the converter is configured to convert DC generated by the at least one photovoltaic cell to AC and to provide AC to the wireless transmission device.

32. The photovoltaic module assembly of claim 28, further comprising the receiving device which is separated from the photovoltaic module by a gap comprising a substantially electrically non-conductive material.

33. The photovoltaic module assembly of claim 32, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 0.01 ohm·

cm and 1.0×

10¹⁷ ohm·

cm.

34. The photovoltaic module assembly of claim 32, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 1.0 ohm·

cm and 1.0×

10¹⁵ ohm·

cm.

35. The photovoltaic module assembly of claim 28, wherein the wireless transmission device is integrated into the photovoltaic module.

36. The photovoltaic module assembly of claim 28, wherein the wireless transmission device is located separately from the photovoltaic module.

37. A method of wirelessly transmitting energy generated by at least one photovoltaic cell to a receiving device, the method comprising:

collecting energy from a photovoltaic module comprising at least one photovoltaic cell; and

wirelessly transmitting the energy through a wireless transmission device to a receiving device.

38. The method as recited in claim 37, wherein the wireless transmission device comprises an inductive transmission device.

39. The method as recited in claim 37, wherein the wireless transmission device comprises a capacitive transmission device.

40. The method as recited in claim 37, wherein the photovoltaic module further comprises a DC to AC converter electrically connected between the at least one photovoltaic cell and the wireless transmission device, wherein the converter is configured to convert DC generated by the at least one photovoltaic cell to AC and to provide AC to the wireless transmission device.

41. The method as recited in claim 37, wherein the photovoltaic module is separated from the receiving device by a gap comprising a substantially electrically non-conductive material.

42. The method as recited in claim 41, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 0.010 ohm·

cm and 1.0×

10¹⁷ ohm·

cm.

43. The method as recited in claim 41, wherein the substantially electrically non-conductive medium is selected such that its resistivity is between 1.0 ohm·

cm and 1.0×

10¹⁵ ohm·

cm.

44. The method as recited in claim 37, wherein the wireless transmission device is integrated into the photovoltaic module.

45. The method as recited in claim 37, wherein the wireless transmission device is located separately from the photovoltaic module.