HIGH VOLTAGE POWER SUPPLY SYSTEM AND METHOD

• US 20140029200A1
• Filed: 10/15/2010
• Published: 01/30/2014
• Est. Priority Date: 06/14/2010
• Status: Abandoned Application

• Current Assignee: Parker-Hannifin Corporation
• Original Assignee: Parker-Hannifin Corporation
• Inventors: Annacchino, Marc A., Lindner, Norman C., Trumbower, Michael
• Application Number:
  US13/639,563
• Publication Number:
  US 20140029200A1
• Time in Patent Office: Days
• US Class Current: 361/700
• CPC Class Codes: H05K 7/20318 Condensers
• CPC Class Codes: H05K 7/20936 Liquid coolant with phase change

Abstract

A high voltage alternator feeding power electronics and then one or more magnetic components to create a high current low voltage power system includes a substrate/buss plate performs heat extraction and electrical termination. The system includes a substrate (102) having a fluid passage member (106) disposed at least partially between the substrate. Power electronic and magnetic circuits (104) are operable to convert a high voltage, low current signal to a plurality of lower voltage signals having distinct voltage and/or current characteristics from the high voltage, low current signal. The power electronic and magnetic circuits include a plurality of connectors that are configured to be received by the receiving ports (124) of the substrate such that the plurality of connectors are configured to provide an electrical connection between the one or more power electronic circuits and establish a thermal connection between the fluid passage member and the one or more power electronic circuits to provide thermal relief to the one or more power electronic circuits.

Claims

1. A power conversion system (10, 100) comprising:

a substrate (102) including a front surface (120), a back surface (122), and a fluid passage member (106) disposed at least partially between the front surface and the back surface, wherein the fluid passage member includes an inlet port (108) for receiving fluid and an outlet port (110) for outputting fluid, wherein the substrate includes a plurality of receiving ports (124) for coupling one or more circuits to the substrate and the receiving ports are coupled to the fluid passageway; and

one or more power electronic circuits (104), wherein the one or more power electronic circuits include a plurality of connectors that are configured to be received by the receiving ports of the substrate such that the plurality of connectors are configured to provide an electrical connection between the one or more power electronic circuits and establish a thermal connection between the fluid passage member and the one or more power electronic circuits to provide thermal relief to the one or more power electronic circuits.

2. The power conversion system of claim 1, further including a housing (H) configured to at least partially enclose the substrate and the one or more power electronic circuits, wherein the inlet port and the outlet port are accessible through the housing.

3. The power conversion system of any one of claims 1-2, wherein the one or more power electronic circuits include a magnetic circuit.

4. The power conversion system of any one of claims 1-3, wherein the one or more power electronic circuits are operable to convert a high voltage, low current signal to a plurality of lower voltage signals (22, 30, 36) having distinct voltage and/or current characteristics from the high voltage, low current signal.

5. The power conversion system of any one of claims 1-4, further including at least one connector (130) accessible through the housing for at least one of the plurality of lower voltage signals.

6. The power conversion system of claim 5 further including at least one connector accessible through the housing for each of the at least one of the plurality of lower voltage signals.

7. The power conversion system of any one of claims 1-6, further including a cooling system (100) including a pump (112) for forcing refrigerant through the fluid passageway of the substrate and the plurality of connectors for providing thermal relief to the one or more power electronic and magnetic circuits.

8. The power conversion system of claim 7, further including the cooling system cooling each of the power electronic and/or magnetic circuits.

9. The power conversion system of claim 7, wherein the refrigerant is routed through each of the power electronic and/or magnetic circuits to reduce thermal operating temperatures for each of the power electronic and magnetic circuits.

10. The power conversion system of claim 7, wherein the refrigerant is a vaporizable dielectric refrigerant.

11. The power conversion system of claim 7, wherein the cooling system includes a condenser (114) in fluid communication with the pump, wherein the refrigerant passes through the condenser to reject heat and the refrigerant is returned to the pump.

12. The power conversion system of any one of claims 1-11, wherein at least one of the plurality of connectors are coupled to one of the plurality of receivers by a dry-break connection.

13. The power conversion system of any one of claims 1-12, wherein at least one of the plurality of connectors are coupled to one of the plurality of receivers by a non-latching connection.

14. The power conversion system of any one of claims 1-13, wherein at least one of the plurality of connectors are coupled to one of the plurality of receivers by a plug and socket connection.

15. The power conversion system of claim 14, wherein each plug and socket connection is formed at least in part as a hollow tube, wherein at least a portion of the hollow tube is conductive along a length of the hollow tube and is in fluid communication with the fluid passageway.

16. The power conversion system of any one of claims 1-15, wherein the one or more power electronic and/or magnetic circuits include a magnet generator (14) for generating a high voltage alternating current output;

a first inverter (16) that receives the high voltage alternating current output and outputs a stable direct current high voltage signal;

a second inverter (18) coupled to the first inverter, wherein the second inverter receives the stable direct current high voltage signal and converts the signal to a driving alternating current signal for driving a transformer (20); and

a bridge rectifier (22) coupled to the transformer, wherein the bridge rectifier output a low voltage direct current signal.

17. The power conversion system of any one of claims 1-16, wherein the power conversion system is operable to convert a signal received from an alternator (14) of a vehicle (V) to a desired lower voltage signal.

18. The power conversion system of any one of claims 1-17, wherein a filter (19) is coupled between the second inverter and the transformer for smoothing the driving alternating current signal.

19. The power conversion system of any one of claims 1-18, further including a third inverter coupled (32) to the first inverter, wherein the third inverter is coupled to a transformer for generating a second low voltage high current signal.

20. The power conversion system of claim 1, wherein the one or more power electronic and magnetic circuits include a first diode bridge rectifier (16) for converting high voltage alternating current output by an alternator (14) to a high voltage direct current signal, an inverter (18) coupled to the first diode bridge rectifier to convert the direct current signal to alternating current, a transformer (20) coupled to the inverter to output an intermediary low voltage signal;

and a second diode bridge rectifier (22) for outputting a low voltage direct current signal.

21. The power conversion system of claim 20, wherein the transformer is a toroid transformer.

22. The power conversion system of claim 21, wherein the toroid transformer is a 400 hertz transformer.

23. The power conversion system of claim 22, wherein the low voltage direct current signal is 28 V.

24. The power conversion system of any one of claims 20-23 further including a battery (38) coupled to the second bridge rectifier, wherein the battery stores the low voltage direct current signal received by the second diode bridge rectifier.

25. The power conversion system of any one of claims 20-24, further including a charge control feedback loop (40) between the inverter (18) and the second diode bridge rectifier (22) for controlling voltage regulation.

26. The power conversion system of any one of claims 20-25, wherein the direct current signal output by the first diode bridge rectifier is dependent on the input signals received by the first diode bridge rectifier.

27. The power conversion system of any one of claims 20-26, further including a second inverter (32) coupled to the first bridge rectifier, wherein the second inverter is coupled to a transformer (36) for generating a second low voltage high current signal.

28. The power conversion system of claim 27, wherein the direct current signal output by the second inverter is independent on input received from first diode bridge rectifier.

29. A method for manufacturing a portable power supply, the method comprising:

forming a fluid passageway with a fluid passage member (106) housed at least partially within a substrate (102) having a front surface (120) and a back surface (122), wherein the fluid passage member includes an inlet port (108) for receiving fluid and an outlet port (110) for outputting fluid and the substrate includes a plurality of receiving ports that are coupled to the fluid passageway;

securing one or more power electronic circuits (104) to at least one of the receiving ports, wherein the electronic and magnetic circuits form an electrical connection and a thermal connection between the fluid passage member and the one or more power electronic circuits to provide thermal relief to the one or more power electronic circuits; and

placing the substrate containing the fluid passageway and the one or more power electronic circuits within a housing (H) that is configured to at least partially enclose the substrate and the one or more power electronic and magnetic circuits, wherein the inlet port and the outlet port are accessible through the housing.

30. The method of claim 29, further comprising coupling a cooling system (100) between the inlet port and outlet port, wherein the cooling system is operable to force refrigerant through the fluid passageway of the substrate and the plurality of receiving ports of the power electronic circuits for providing thermal relief to the one or more power electronic circuits.

31. The method of claim 30, wherein the refrigerant is routed through each of the power electronic and magnetic circuits and a condenser to reduce thermal operating temperatures for each of the power electronic circuits.

32. A method for converting power, the method comprising:

receiving a high voltage, low current signal from a source (12);

converting the high voltage, low current signal through one or more power electronic and magnetic circuits (104) to a plurality of lower voltage signals having distinct voltage and/or current characteristics from the high voltage, low current signal, wherein the one or more power electronic and magnetic circuits are coupled to a substrate (102) having a front surface (120), a back surface (122), and a fluid passage member (106) disposed at least partially between the front surface and the back surface, wherein the fluid passage member includes an inlet port for receiving fluid and an outlet port for outputting fluid, wherein the substrate includes a plurality of receiving ports (124) for coupling the power electronic and magnetic circuits to the substrate and the receiving ports are coupled to the fluid passageway; and

wherein the one or more power electronic circuits include a plurality of connectors that are configured to be received by the receiving ports of the substrate such that the plurality of connectors are configured to provide an electrical connection between the one or more power electronic circuits and establish a thermal connection between the fluid passage member and the one or more power electronic to provide thermal relief to the one or more power electronic circuits; and

cooling the one or more power electronic circuits by providing a cooling system (100) utilizing a vaporizable dielectric refrigerant, wherein a pump forces vaporizable dielectric refrigerant through the fluid passageway of the substrate and the plurality of connectors.

33. The method of claim 32, wherein the refrigerant is routed through each of the power electronic circuits and a condenser to reduce thermal operating temperatures for each of the power electronic circuits.