Thermal cooling interface for electrical joints

Patent metadata

Field	Value
Publication number	US-10153629-B2
Application number	US-201615216393-A
Country	US
Kind code	B2
Filing date	Jul 21, 2016
Priority date	Jul 21, 2016
Publication date	Dec 11, 2018
Grant date	Dec 11, 2018

Abstract

An electrical joint is provided. The electrical joint includes a first conductive component, a second conductive component, and a thermal cooling interface positioned between the first and second conductive components, the thermal cooling interface including a base plate coupled to the first conductive component, and a plurality of walls extending orthogonally from the base plate towards the second conductive component, the plurality of walls defining a plurality of cooling channels that channel air therethrough to facilitate cooling the first and second conductive components, wherein the first conductive component, the thermal cooling interface, and the second conductive component are electrically coupled in series.

First claim

What is claimed is:

1. An electrical joint, comprising:
a first conductive component;
a second conductive component spaced from said first conductive component; and
a thermal cooling interface positioned between said first and second conductive components, said thermal cooling interface comprising:
a base plate coupled to said first conductive component; and
a plurality of walls, each wall of said plurality of walls extending from said base plate towards said second conductive component and connected thereto,
said plurality of walls, said base plate, and said second conductive component cooperatively defining a plurality of enclosed cooling channels therebetween to channel air therethrough to facilitate cooling said first and second conductive components.

2. An electrical joint in accordance, with claim 1 , wherein said plurality of walls define a plurality of substantially vertically oriented cooling channels.

3. An electrical joint in accordance with claim 1 , wherein said plurality of walls comprise at least one sidewall, said at least one sidewall having a plurality of apertures defined therethrough to increase air flow through the plurality of cooling channels.

4. An electrical joint in accordance with claim 1 , further comprising a fastener coupling said first and second conductive components, wherein said thermal cooling interface comprises a compression limiting feature that defines a fastener aperture therethrough, and wherein said fastener extends through the fastener aperture.

5. An electrical joint in accordance with claim 4 , wherein said compression limiting feature defines a high pressure zone within one of the plurality of cooling channels, and wherein a wall of said plurality of walls includes a pressure relief aperture defined therethrough and proximate the high pressure zone to alleviate pressure in the high pressure zone.

6. An electrical joint in accordance with claim 1 , wherein each wall of said plurality of walls comprises a top surface that contacts said second conductive component.

7. An electrical joint in accordance with claim 1 , wherein each wall of said plurality of walls comprises a leading edge and a trailing edge, and wherein said leading and trailing edges have an aerodynamic profile to increase air flow through said thermal cooling interface.

8. An electrical joint in accordance with claim 1 , wherein said thermal cooling interface defines a current path in series between said first and second conductive components.

9. The electrical joint of claim 1 wherein said base plate, said plurality of walls, and said second conductive component cooperatively enclose said plurality of cooling channels to channel air therethrough to facilitate cooling said first and second conductive components.

10. A thermal cooling interface for electrically coupling a first conductive component to a second conductive component, said thermal cooling interface positionable between the first and second conductive components and comprising:
a base plate coupled to the first conductive component when said thermal cooling interface is positioned between the first and second conductive components; and
a plurality of walls, each wall of the plurality of walls extending from said base plate towards the second conductive component and connected thereto, said plurality of walls, said baseplate, and said second conductive component cooperatively defining a plurality of enclosed cooling channels therebetween that channel air therethrough to facilitate cooling the first and second conductive components.

11. A thermal cooling interface in accordance with claim 10 , wherein said plurality of walls define a plurality of substantially vertically oriented cooling channels when said thermal cooling interface is positioned between the first and second conductive components.

12. A thermal cooling interface in accordance with claim 10 , wherein said plurality of walls comprise at least one sidewall, said at least one sidewall having a plurality of apertures defined therethrough to increase air flow through the plurality of cooling channels.

13. A thermal cooling interface in accordance with claim 10 , further comprising a compression limiting feature that defines a fastener aperture therethrough.

14. A thermal cooling interface in accordance with claim 13 , wherein said compression limiting feature defines a high pressure zone within one of the plurality of cooling channels, and wherein a wall of said plurality of walls includes a pressure relief aperture defined therethrough and proximate the high pressure zone to alleviate pressure in the high pressure zone.

15. A thermal cooling interface in accordance with claim 10 , wherein each wall of said plurality of walls comprises a top surface that contacts the second conductive component when said thermal cooling interface is positioned between the first and second conductive components.

16. A thermal cooling interface in accordance with claim 10 , wherein each wall of said plurality of walls comprises a leading edge and a trailing edge, and wherein said leading and trailing edges have an aerodynamic profile to increase air flow through said thermal cooling interface.

17. A method of assembling an electrical joint, said method comprising:
positioning first and second conductive components proximate one another;
positioning a thermal cooling interface between the first and second conductive components, the thermal cooling interface including a base plate coupled to the first conductive component, and a plurality of walls, each wall of the plurality of walls extending from the base plate towards the second conductive component and connected thereto, the plurality of walls, the baseplate, and the second conductive component cooperatively defining a plurality of enclosed cooling channels that channel air therethrough to facilitate cooling the first and second conductive components; and
coupling the first conductive component to the second conductive component using at least one of a fastener and a clamp.

18. A method in accordance with claim 17 , wherein coupling the first conductive component to the second conductive component comprises inserting at least one fastener through at least one fastener aperture defined in the thermal cooling interface.

19. A method in accordance with claim 17 , wherein positioning a thermal cooling interface comprises positioning the thermal cooling interface such that a top surface of each of the plurality of walls contacts the second conductive component.

20. An electrical joint comprising:
a first conductive component comprising a first thermal cooling interface portion having a first plurality of walls;
a second conductive component comprising a second thermal cooling interface portion having a second plurality of walls, the second plurality of walls aligned with the first plurality of walls; and
a fastener arranged to fixedly couple the first plurality of walls of the first conductive component to the second plurality of walls of the second conductive component;
wherein the first plurality of walls contact the second plurality of walls, and wherein the first and second thermal cooling interface portions, and the first and second plurality of walls cooperate to define a plurality of cooling channels therebetween that channel air therethrough to facilitate cooling said first and second conductive components, and wherein the first and second thermal cooling interface portions define a current path between the first and second conductive components.

Assignees

• Abb Schweiz Ag

Inventors

• Greenwood Peter James

Classifications

• H02G5/10 Primary

  Cooling · CPC title

• H02B1/56

  Cooling; Ventilation · CPC title

• H05K7/2039

  characterised by the heat transfer by conduction from the heat generating element to a dissipating body (arrangements for increasing/decreasing heat-transfer, e.g. fins details, F28F13/00) · CPC title

• F28F13/08

  by varying the cross-section of the flow channels · CPC title

• H01R25/145

  Details, e.g. end pieces or joints (H01R25/147 takes precedence) · CPC title