Dual Mode Portable Charger

• US 20080272733A1
• Filed: 05/04/2007
• Published: 11/06/2008
• Est. Priority Date: 05/04/2007
• Status: Abandoned Application

• Current Assignee: Miniwiz Sustainable Energy Development Limited
• Original Assignee: Miniwiz Sustainable Energy Development Limited
• Inventors: Huang, Arthur C.
• Application Number:
  US11/744,480
• Publication Number:
  US 20080272733A1
• Time in Patent Office: Days
• US Class Current: 320/102
• CPC Class Codes: H02J 2300/28 The renewable source being wind energy
• CPC Class Codes: H02J 5/00 Circuit arrangements for transfer of electric power between ac networks and dc networks H02J3/36 takes precedence
• CPC Class Codes: H02J 7/02 for charging batteries from ac mains by converters
• CPC Class Codes: H02J 7/1415 with a generator driven by a prime mover other than the motor of a vehicle
• CPC Class Codes: Y02E 10/76 Power conversion electric or electronic aspects

Abstract

A portable charger is disclosed including; a rechargeable battery module; a fluid energy converting device for converting kinetic energy of fluids flowing therethrough into electric power to charge the rechargeable battery module; a control circuit coupled to the rechargeable battery module; and a power output interface coupled to the control circuit for supplying power to an electronic device under the control of the control circuit when the power output interface is electrically connected to the electronic device.

Claims

1. A dual mode portable charger, comprising;

a wind power generator;

a power receiving module for receiving power from an external power source when electrically connected to the external power source;

a rechargeable battery module;

a control circuit coupled to the rechargeable battery module; and

a power output interface coupled to the control circuit for supplying power to an electrically powered device under control of the control circuit when the power output interface is electrically connected to the electrically powered device;

wherein the rechargeable battery module is charged by the wind power generator.

2. The dual mode portable charger of claim 1, wherein the wind power generator comprises:

a fan;

an electric generator coupled to the fan for generating an alternating current (AC) when the fan rotates; and

a rectifier coupled to the electric generator for converting the AC generated by the electric generator into a direct current (DC).

3. The dual mode portable charger of claim 2, wherein the rectifier comprises a diode bridge.

4. The dual mode portable charger of claim 1, wherein the power receiving module comprises.

a power input interface for receiving power from the external power source to charge the rechargeable battery module.

5. The dual mode portable charger of claim 4, wherein the power input interface comprises:

an AC to DC converter for converting an alternating current (AC) into a direct current (DC).

6. The dual mode portable charger of claim 5, wherein the power receiving module further comprises:

a converting circuit, coupled between the power input interface and the rechargeable battery module, for converting a voltage of the DC from the AC to DC converter to a predetermined value.

7. The dual mode portable charger of claim 4, wherein the power input interface receives a direct current (DC) from the external power source, and the power receiving module further comprises:

a converting circuit, coupled between the power input interface and the rechargeable battery module, for converting a voltage of the DC received by the power input interface to a predetermined value.

8. The dual mode portable charger of claim 1, further comprising:

a switching device coupled to the rechargeable battery module for selectively coupling the rechargeable battery module to the wind power generator or the power receiving module.

9. The dual mode portable charger of claim 8, wherein the switching device couples the rechargeable battery module to the power receiving module when the power receiving module is electrically connected to the external power source.

10. The dual mode portable charger of claim 8, wherein the switching device couples the rechargeable battery module to the wind power generator when the power receiving module is not electrically connected to any external power source.

11. The dual mode portable charger of claim 8, wherein the switching device is controlled by the power receiving module.

12. The dual mode portable charger of claim 1, further comprising:

a housing; and

a cover foldablely disposed on the housing for covering at least one opening of the power output interface.

13. The dual mode portable charger of claim 1, further comprising:

an indicator for indicating an operating status of the dual mode portable charger.

14. The dual mode portable charger of claim 1, further comprising:

a fastener removablely attached on a housing of the dual mode portable charge for fastening the dual mode portable charger to an object.

15. The dual mode portable charger of claim 1, wherein the external power source is selected from a group consisting of an electronic device, an electrical socket, a fuel power generator, a solar power generator, a hydroelectric power generator, and a green power generation system.

16. A portable charger, comprising:

a rechargeable battery module;

a fluid energy converting device for converting kinetic energy of fluids flowing therethrough into electric power to charge the rechargeable battery module;

a control circuit coupled to the rechargeable battery module; and

a power output interface coupled to the control circuit for supplying power to an electronic device under the control of the control circuit when the power output interface is electrically connected to the electronic device.

17. The portable charger of claim 16, wherein the fluid energy converting device comprises:

a fan driven by gases or liquids flowing therethrough;

an electric generator coupled to the fan for generating an alternating current (AC) when the fan rotates; and

a rectifier coupled to the electric generator for converting the AC generated by the electric generator into a direct current (DC).

18. The portable charger of claim 16, further comprising:

a housing provided with a foldable cover;

wherein the foldable cover covers openings of the power output interface and cooperates with the housing to form a waterproofing case when the foldable cover closes.

19. The portable charger of claim 16, further comprising:

a power receiving module for receiving power from an external power source when electrically connected to the external power source to charge the rechargeable battery module.

20. The dual mode portable charger of claim 19, wherein the external power source is selected from a group consisting of an electronic device, an electrical socket, a fuel power generator, a solar power generator, a hydroelectric power generator, and a green power generation system.

21. The portable charger of claim 19, further comprising:

a switching device coupled to the rechargeable battery module for selecting one of the fluid energy converting device and the power receiving module to charge the rechargeable battery module.

22. The portable charger of claim 16, wherein the control circuit controls the power output interface to supply a direct current (DC) with a predetermined voltage to the electronic device.

23. A dual mode portable charger, comprising:

a wind power generator for generating electric power;

a power receiving module for receiving power from an external power source when electrically connected to the external power source;

a rechargeable battery module;

a control circuit coupled to the rechargeable battery module; and

a power output interface coupled to the control circuit for supplying power to an electrically powered device under control of the control circuit when the power output interface is electrically connected to the electrically powered device;

wherein the rechargeable battery module is charged by the power receiving module.

24. The dual mode portable charger of claim 23, wherein the wind power generator comprises:

a fan;

an electric generator coupled to the fan for generating an alternating current (AC) when the fan rotates; and

a rectifier coupled to the electric generator for converting the AC generated by the electric generator into a direct current (DC).

25. The dual mode portable charger of claim 24, wherein the rectifier comprises a diode bridge.

26. The dual mode portable charger of claim 23, wherein the power receiving module comprises,

a power input interface for receiving power from the external power source to charge the rechargeable battery module.

27. The dual mode portable charger of claim 26, wherein the power input interface comprises;

an AC to DC converter for converting an alternating current (AC) into a direct current (DC).

28. The dual mode portable charger of claim 27, wherein the power receiving module further comprises:

a converting circuit, coupled between the power input interface and the rechargeable battery module, for converting a voltage of the DC from the AC to DC converter to a predetermined value.

29. The dual mode portable charger of claim 26, wherein the power input interface receives a direct current (DC) from the external power source, and the power receiving module further comprises:

a converting circuit, coupled between the power input interface and the rechargeable battery module, for converting a voltage of the DC received by the power input interface to a predetermined value.

30. The dual mode portable charger of claim 23, further comprising:

a switching device coupled to the rechargeable battery module for selectively coupling the rechargeable battery module to the wind power generator or the power receiving module.

31. The dual mode portable charger of claim 30, wherein the switching device couples the rechargeable battery module to the power receiving module when the power receiving module is electrically connected to the external power source.

32. The dual mode portable charger of claim 30, wherein the switching device couples the rechargeable battery module to the wind power generator when the power receiving module is not electrically connected to any external power source.

33. The dual mode portable charger of claim 30, wherein the switching device is controlled by the power receiving module.

34. The dual mode portable charger of claim 23, further comprising:

a housing; and

a cover foldablely disposed on the housing for covering at least one opening of the power output interface.

35. The dual mode portable charger of claim 23, further comprising:

an indicator for indicating an operating status of the dual mode portable charger.

36. The dual mode portable charger of claim 23, further comprising:

a fastener removablely attached on a housing of the dual mode portable charge for fastening the dual mode portable charger to an object.

37. The dual mode portable charger of claim 23, wherein the external power source is selected from a group consisting of an electronic device, an electrical socket, a fuel power generator, a solar power generator, a hydroelectric power generator, and a green power generation system.