IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0117796
(2011-05-27)
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등록번호 |
US-8295049
(2012-10-23)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Renewable Power Conversion, Inc.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
▼
A power converter design is disclosed with a novel approach to thermal management which enhances the performance and significantly reduces the cost of the converter compared to prior art power converters. The invention minimizes the heating of one power component by another within the power converte
A power converter design is disclosed with a novel approach to thermal management which enhances the performance and significantly reduces the cost of the converter compared to prior art power converters. The invention minimizes the heating of one power component by another within the power converter and therefore enables the power converter to work at higher power levels. Essentially, the power converter uses a heatsink having a high length to width ratio, a linear array of power components thermally coupled to the heatsink parallel to the long axis of the heatsink and a heat removal system which produces the highest cross sectional thermal flux perpendicular to said long axis. In addition, a number of ancillary thermal management techniques are used to significantly enhance the value of this basic approach.
대표청구항
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1. An apparatus for converting solar power comprising a solar photovoltaic source and a power converter coupled to the solar photovoltaic source, the power converter comprising: an enclosure, the enclosure including at least one heat sink;a plurality of semiconductor devices mounted on an inner side
1. An apparatus for converting solar power comprising a solar photovoltaic source and a power converter coupled to the solar photovoltaic source, the power converter comprising: an enclosure, the enclosure including at least one heat sink;a plurality of semiconductor devices mounted on an inner side of the enclosure;a plurality of magnetic components mounted within the enclosure;a plurality of capacitors mounted within the enclosure;a means for thermally and mechanically coupling said plurality of semiconductor devices to said at least one heatsink;a means for thermally coupling said plurality of magnetic components to said at least one heatsink;a means for providing thermal isolation between said plurality of capacitors and at least one of said plurality of semiconductor devices or said plurality of magnetic components,wherein said plurality of semiconductor devices are arranged on said at least one heatsink in a substantially linear horizontal array,wherein at least one of: a vertical height of said at least one heatsink on which said plurality of semiconductor devices are arranged is less than a horizontal length of said at least one heatsink on which said plurality of semiconductor devices are arranged, ora path of thermal resistance in a vertical direction of said at least one heatsink on which said plurality of semiconductor devices are arranged is less than a path of thermal resistance in a horizontal direction of said at least one heatsink on which said plurality of semiconductor devices are arranged, andwherein said enclosure provides environmental protection for said plurality of semiconductor devices, said plurality of magnetic components and said plurality of capacitors. 2. The apparatus for converting solar power according to claim 1, the power converter further comprising an encapsulant, an adhesive or a potting material inside of the enclosure that provides at least one of electrical dielectric isolation, thermal conductivity, thermal insulation, or an environmental seal. 3. The apparatus for converting solar power according to claim 1, wherein said plurality of magnetic components are arranged on said at least one heatsink in a substantially linear horizontal array. 4. The apparatus for converting solar power according to claim 3, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a location of said plurality of capacitors below each of said plurality of semiconductors and said plurality of magnetic components. 5. The apparatus for converting solar power according to claim 1, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a location of said plurality of capacitors below each of said plurality of semiconductors and said plurality of magnetic components. 6. The apparatus for converting solar power according to claim 1, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a thermally insulating material inside of said enclosure located between said plurality of capacitors and at least one of a portion of said heatsink, said plurality of semiconductor devices or said plurality of magnetic components. 7. The apparatus for converting solar power according to claim 1, wherein said at least one heatsink on which said plurality of semiconductor devices are arranged includes a plurality of vertically extending fins, and wherein said plurality of vertically extending fins are located on an outer side of said enclosure. 8. The apparatus for converting solar power according to claim 7, wherein each of said plurality of vertically extending fins has a triangular cross section. 9. The apparatus for converting solar power according to claim 7, the power converter further comprising an encapsulant, an adhesive or a potting material inside of the enclosure that provides at least one of electrical dielectric isolation, thermal conductivity, thermal insulation, or an environmental seal. 10. The apparatus for converting solar power according to claim 7, wherein said plurality of magnetic components are arranged on said at least one heatsink in a substantially linear horizontal array. 11. The apparatus for converting solar power according to claim 10, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a location of said plurality of capacitors below each of said plurality of semiconductors and said plurality of magnetic components. 12. The apparatus for converting solar power according to claim 7, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a location of said plurality of capacitors below each of said plurality of semiconductors and said plurality of magnetic components. 13. The apparatus for converting solar power according to claim 7, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a thermally insulating material inside of said enclosure located between said plurality of capacitors and said plurality of capacitors and at least one of a portion of said heatsink, said plurality of semiconductor devices or said plurality of magnetic components. 14. An apparatus for converting solar power comprising a solar photovoltaic source and a power converter coupled to the solar photovoltaic source, the power converter comprising: an enclosure, the enclosure including at least one heat sink;a plurality of semiconductor devices mounted on an inner side of the enclosure;a plurality of magnetic components mounted within the enclosure;a plurality of capacitors mounted within of the enclosure;a means for thermally and mechanically coupling said plurality of semiconductor devices to said at least one heatsink;a means for thermally coupling said plurality of magnetic components to said at least one heatsink; anda means for providing thermal isolation between said plurality of capacitors and at least one of said plurality of semiconductor devices or said plurality of magnetic components,wherein said plurality of semiconductor devices are arranged on said at least one heatsink in a substantially linear horizontal array,wherein said at least one heatsink includes a plurality of vertically extending fins, the plurality of vertically extending fins are located on an outer side of said enclosure, andwherein said enclosure provides environmental protection for said plurality of semiconductor devices, said plurality of magnetic components and said plurality of capacitors. 15. The apparatus for converting solar power according to claim 14, the power converter further comprising an encapsulant, an adhesive or a potting material inside of the enclosure that provides at least one of electrical dielectric isolation, thermal conductivity, thermal insulation, or an environmental seal. 16. The apparatus for converting solar power according to claim 14, wherein said plurality of magnetic components are arranged on said second one of said at least one heatsink in a substantially linear horizontal array. 17. The apparatus for converting solar power according to claim 16, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a location of said plurality of capacitors below each of said plurality of semiconductors and said plurality of magnetic components. 18. The apparatus for converting solar power according to claim 14, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a location of said plurality of capacitors below each of said plurality of semiconductors and said plurality of magnetic components. 19. The apparatus for converting solar power according to claim 14, wherein said means for providing the thermal isolation between said plurality of capacitors and said at least one of said plurality of semiconductor devices or said plurality of magnetic components is a thermally insulating material inside of said enclosure located between said plurality of capacitors and at least one of a portion of said heatsink, said plurality of semiconductor devices or said plurality of magnetic components. 20. The apparatus for converting solar power according to claim 14, wherein each of said plurality of vertically extending fins has a triangular cross section.
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