SYSTEM AND METHOD FOR CONNECTING A BATTERY TO A MOUNTING SYSTEM

• US 20080293277A1
• Filed: 05/23/2007
• Published: 11/27/2008
• Est. Priority Date: 05/23/2007
• Status: Abandoned Application

• Current Assignee: General Electric Company
• Original Assignee: General Electric Company
• Inventors: Kumar, Ajith Kuttannair, Pelkowski, Stephen, Marley, Michael Patrick, Alton, Robert
• Application Number:
  US11/752,488
• Publication Number:
  US 20080293277A1
• Time in Patent Office: Days
• US Class Current: 439/247
• CPC Class Codes: H01R 13/447 Shutter or cover plate
• CPC Class Codes: H01R 13/53 Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
• CPC Class Codes: H01R 13/6315 allowing relative movement between coupling parts, e.g. floating connection for coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures, H01R12/91 takes precedence

Abstract

A system is provided for connecting a battery to a mounting system. The battery is coupled to a battery connector, and the mounting system is coupled to a mounting system connector. The system includes an inner housing of the battery connector configured to receive a plurality of cables from the battery. The system further includes a respective plurality of male connectors or female receptacles positioned within the inner housing of the battery connector and coupled to the plurality of cables. The plurality of male connectors or female receptacles is configured to remain unexposed upon disconnecting the battery connector from the mounting connector during an unsafe event. The system further includes an outer housing of the battery connector surrounding the inner housing, where the outer housing includes a tapered wall.

Claims

1. A system for connecting a battery to a mounting system, said battery coupled to a battery connector, said mounting system coupled to a mounting system connector, said system comprising:

an inner housing of said battery connector configured to receive a plurality of cables from said battery;

a respective plurality of male connectors or female receptacles positioned within said inner housing of said battery connector and coupled to said plurality of cables, said plurality of male connectors or female receptacles configured to remain unexposed upon disconnecting said battery connector from said mounting connector during an unsafe event; and

an outer housing of said battery connector surrounding said inner housing, said outer housing comprising a tapered wall.

2. The system according to claim 1, wherein said inner housing and outer housing are made from a non-conductive material, said mounting system is a hybrid energy locomotive, and said mounting system connector is a hybrid energy locomotive connector comprising:

an inner housing configured to receive a plurality of cables from said hybrid energy locomotive;

a respective plurality of male connectors or female receptacles positioned within said inner housing of said hybrid energy locomotive connector and coupled to said plurality of cables from said hybrid energy locomotive;

said respective plurality of male connectors or female receptacles being configured to connect with said respective plurality of male connectors or female receptacles within said inner housing of said battery connector; and

an outer housing surrounding said inner housing, said outer housing comprising a tapered wall;

said respective tapered walls of said battery connector outer housing and said hybrid energy locomotive connector outer housing comprise a respective male or female tapered wall, said male tapered wall having a tapered outer surface, said female tapered wall having a tapered inner surface;

said respective male and female tapered walls configured to self-align said battery connector and said hybrid energy locomotive connector upon connecting said battery connector and said hybrid energy locomotive connector.

3. The system according to claim 2, wherein said battery connector and hybrid energy locomotive connector each further comprise a plurality of collars and a plurality of bolts, a portion of said outer housing of said hybrid energy locomotive connector and said battery connector being positioned between said plurality of collars such that one of said plurality of bolts is passed through said plurality of collars and said portion of said outer housing to restrict movement of said outer housing of said hybrid energy locomotive connector and battery connector within the plane of said plurality of collars during said self-alignment of said battery connector and said hybrid energy locomotive connector.

4. The system according to claim 3, wherein said inner housing of said hybrid energy locomotive connector and said battery connector comprises a plurality of tapered slots to hold said respective plurality of male connectors or female receptacles;

said tapered slots are configured to provide axial tolerance during said self-alignment of said battery connector and said hybrid energy locomotive connector subsequent to said self-alignment provided by said respective male and female tapered walls of said outer housing and said movement of said outer housing along said plane of said collars.

5. The system according to claim 4, wherein said inner housing tapered slots of said hybrid energy locomotive connector and said battery connector respectively comprise male convex slots or female concave slots.

6. The system according to claim 4, wherein during connecting said battery connector and said hybrid energy locomotive connector, said inner housing of said battery connector and said hybrid energy locomotive connector is configured to move and self-align independent of said respective outer housing of said battery connector and said hybrid energy locomotive connector;

said inner housing and said outer housing being configured to self-align to overcome axial and tilt variations.

7. The system according to claim 1, wherein said respective plurality of male connectors or female receptacles comprise a reduced diameter portion, said reduced diameter portion configured with a lower shear strength relative to an unreduced diameter portion of said respective plurality of male connectors or female receptacles;

said male connectors or female receptacles configured to break away at said reduced diameter portion upon disconnecting said battery connector from said mounting system connector during said unsafe event.

8. The system according to claim 7, wherein said inner housing and said outer housing are made from a non-conductive material;

said reduced diameter portion is positioned adjacent to a back end of said inner housing of said battery connector, said mounting system is a hybrid energy locomotive, said mounting system connector is a hybrid energy locomotive connector comprising;

an inner housing configured to receive a plurality of cables from said hybrid energy locomotive;

a respective plurality of male connectors or female receptacles positioned within said inner housing of said hybrid energy locomotive connector and coupled to said cables from said hybrid energy locomotive, said respective plurality of male connectors or female receptacles configured to connect with said respective plurality of male connectors or female receptacles within said inner housing of said battery connector, and

an outer housing surrounding said inner housing, said outer housing comprising a tapered wall;

wherein during said unsafe condition, said respective plurality of male connectors and female connectors of said hybrid energy locomotive connector and battery connector fuse together.

9. The system according to claim 8, wherein upon disconnecting said battery connector from said hybrid energy locomotive connector subsequent to fusing said plurality of male connectors and female receptacles together, said male connectors or female receptacles of said battery connector are configured to break away at said reduced diameter portion, such that said a remaining portion of said male connectors or female receptacles remain unexposed within said inner housing of said battery connector upon disconnecting said battery connector from said hybrid energy locomotive connector.

10. The system according to claim 9, wherein said outer housing of said battery connector is configured with a greater internal shear strength than said reduced diameter portion such that said outer housing remains intact during said break away of said male connectors or female receptacles of said battery connector at said reduced diameter portion.

11. The system according to claim 9, further comprising a removed portion of said male connectors or female receptacles of said battery connector opposite said reduced diameter portion from said remaining portion, said removed portion configured to remain within said inner housing of said hybrid energy locomotive connector upon disconnecting said battery connector.

12. The system according to claim 9, wherein said plurality of male connectors or female receptacles of said battery connector further comprises an enlarged diameter portion adjacent said reduced diameter portion, said enlarged diameter portion positioned within an enlarged diameter slot within said inner housing of said battery connector, said male connectors or female receptacles configured to be inserted into said inner housing from said back end such that said enlarged diameter portion enters said enlarged diameter slot.

19. The system according to claim 1, further comprising a seal surrounding a plurality of openings adjacent a back end of said inner housing of said battery connector to receive said plurality of cables from said battery;

said seal configured to form an interface between said battery connector and said battery.

20. The system according to claim 19, wherein said seal is made from a non-conductive elastomer material, configured to surround said openings adjacent to said back end, said seal being further configured to protrude at each opening away from said back end, each protrusion configured to receive one of said plurality of male connectors or female receptacles.

21. The system according to claim 20, said seal configured to provide a sealed interface at said back end of said battery connector, said seal further configured to provide a sealed interface between said outer housing and said battery.

22. The system according to claim 19, further comprising:

a non-conductive cap covering an end of each of said plurality of male connectors or female receptacles opposite said back end of said inner housing;

said cap rigidly secured to an external surface of said male connector or an inner surface of said female receptacle; and

a non-conductive jacket surrounding said plurality of male connectors or female receptacles, said jacket positioned within a gap surrounding said plurality of male connectors or female receptacles.

23. The system according to claim 22, said non-conductive cap is made from a ceramic non-conductive material, said non-conductive cap is rigidly glued to said external surface or inner surface of said respective male connector or female receptacle;

said non-conductive jacket is a plastic jacket surrounding said plurality of male connectors or female receptacles, said respective male connectors and female receptacles of said battery connector and said hybrid energy locomotive connector are configured to connect at a middle portion beyond said non-conductive cap.

13. A system for connecting a battery to a mounting system, said battery coupled to a battery connector, said mounting system coupled to a mounting system connector, said system comprising:

an inner housing of said battery connector configured to receive a plurality of cables from said battery;

a respective plurality of first male connectors or first female receptacles coupled to said plurality of cables and positioned adjacent to a back end of said inner housing of said battery connector, said plurality of first male connectors or first female receptacles coupled to a respective plurality of second male connectors or second female receptacles through a respective plurality of fuse links, said plurality of second male connectors or second female receptacles configured to break away from said inner housing, and said plurality of first male connectors or first female receptacles configured to remain unexposed upon disconnecting said battery connector from said mounting connector during an unsafe event; and

an outer housing of said battery connector surrounding said inner housing, said outer housing comprising a tapered wall.

14. The system according to claim 13, wherein said inner housing and outer housing are made from a non-conductive material;

said mounting system is a hybrid energy locomotive, said mounting system connector is a hybrid energy locomotive connector comprising;

an inner housing configured to receive a plurality of cables from said hybrid energy locomotive,

a respective plurality of male connectors or female receptacles positioned within said inner housing of said hybrid energy locomotive connector and coupled to said cables from said hybrid energy locomotive, said respective plurality of male connectors or female receptacles configured to connect with said respective plurality of second male connectors or second female receptacles within said inner housing of said battery connector, and

an outer housing surrounding said inner housing, said outer housing comprising a tapered wall;

wherein during said unsafe condition, said plurality of male connectors or female connectors of said hybrid energy locomotive connector and said respective plurality of second male connectors or plurality of second female receptacles of said battery connector fuse together.

15. The system according to claim 14, wherein each fuse link comprises a conductive sheet mechanically compressed around said plurality of first male connectors or first female receptacles and said plurality of second male connectors or second female receptacles such that said fuse link decouples said plurality of first male connectors or first female receptacles and said plurality of second male connectors or second female receptacles during said unsafe condition.

16. The system according to claim 15, wherein said unsafe condition arises upon said respective plurality of male connectors or female connectors of said hybrid energy locomotive connector and said respective plurality of second male connector or second female receptacles of said battery connector fusing together such that upon disconnecting said battery connector and said hybrid energy locomotive connector, a mechanical force is exerted on said fuse link greater than a predetermined threshold.

17. The system according to claim 16, wherein said unsafe condition further arises upon a current greater than a predetermined threshold passing through said fuse link to cause said fuse link to decouple said plurality of first male connectors or first female receptacles and said plurality of second male connectors or second female receptacles.

18. The system according to claim 15, wherein upon disconnecting said hybrid energy locomotive connector from said battery connector during said unsafe condition, said plurality of second male connectors or second female receptacles remain within said inner housing of said hybrid energy locomotive connector.

24. A method for connecting a battery to a mounting system, said battery coupled to a battery connector, said mounting system coupled to a mounting system connector, said method comprising:

receiving a plurality of cables from said battery into an inner housing of said battery connector;

surrounding said inner housing of said battery connector with an outer housing comprising a tapered wall;

coupling a respective plurality of male connectors or female receptacles within said inner housing to said plurality of cables; and

configuring said plurality of male connectors or female receptacles of said battery connector to remain unexposed while disconnecting said battery connector from said mounting connector during an unsafe event.

25. A method for self-aligning a battery connector to a mounting system connector during connecting said battery connector and said mounting system connector, said method comprising:

tapering a wall of an outer housing of said battery connector and said mounting system connector, said tapered wall having a respective tapered outer surface or tapered inner surface configured to self-align upon connecting said battery connector and said mounting system;

positioning a portion of said outer housing of said battery connector between a plurality of collars;

passing a bolt through said collars to permit self-alignment of said outer housing of said battery connector and said mounting system within the plane of said collars during said self-aligning of said battery connector and said mounting system; and

tapering a plurality of slots within an inner housing of said battery connector and hybrid energy locomotive connector, said tapered slots being configured to provide axial tolerance during said self-alignment of said battery connector and said hybrid energy locomotive connector.