Electro-mechanical connector for solar arrays
View Patent ↗A connector assembly is provided for connecting two planar surfaces or structures together to permit electrical transmission between the two. As described, the connector have at least two housing sections having grooves formed therein for receiving springs, such as canted coil springs. The springs are configured to provide constant mechanical and electrical connection between multiple parts and allow for small motions between such parts. By allowing for movement of the connected parts, adequate connection during thermal changes and/or vibrations is maintained. This is possible due to the spring contact interface between the connector assembly and the connecting parts, which allows relative movement between the springs and the connecting parts.
1. A connector for connecting two elements, which have planar surface portions, together, said connector comprising:
a first housing piece and a second housing piece, said first and second housing pieces each comprising a conductive material,
a connecting piece for mechanically interlocking said first and second housing pieces together, said connecting piece projecting, at least in part, into the first housing piece; and
wherein said first housing piece comprises a groove and said second housing pieces comprises a groove, each of said two grooves comprises a canted coil spring disposed therein and wherein the two canted coil springs are spaced-apart.
2. The connector according to claim 1 , wherein the conductive material is copper or aluminum.
3. The connector according to claim 1 , wherein the connecting piece is singularly formed with the second housing piece.
4. The connector according to claim 1 , wherein the first housing piece comprises a second spring groove.
5. The connector according to claim 3 , wherein the connecting piece comprises a partial pin groove.
6. The connector according to claim 5 , further comprising a cylindrical pin disposed in the partial pin groove.
7. The connector according to claim 1 , further comprising a connecting pin of a polygonal cross section.
8. The connector according to claim 1 , further comprising a connecting pin of rectangular cross section.
9. The connector according to claim 1 , further comprising a connecting pin of trapezoidal cross section.
10. The connector according to claim 1 , wherein at least one of the grooves comprises a groove sidewall that is perpendicular to a contact surface of one of the planar surface portions.
11. The connector according to claim 1 , wherein at least one of the grooves comprises a groove sidewall that is disposed at an acute angle to a contact surface of one of the planar surface portions.
12. The connector according to claim 1 , wherein at least one of the grooves comprises a groove sidewall that is disposed at an obtuse angle to a contact surface of one of the planar surface portions.
13. A method for connecting two elements, which have planar surface portions, together, said method comprising:
placing a first housing piece against a first element so that a spring disposed in a groove in said first housing piece contacts a planar surface of said first element;
placing a second housing piece against the first element and a second element so that a spring disposed in a groove in said second housing piece contacts a planar surface of said second element;
projecting a connecting piece into a gap of said first housing piece; and
securing said connecting piece with said first housing piece so that a spring force is biased against said first element and said second element.
14. The method according to claim 13 , comprising inserting a connecting pin into a gap in the connecting piece.
15. The method according to claim 14 , wherein the connecting piece comprises at least one of a round cross-section, a tapered cross-section, and a polygon cross-section.
16. The method according to claim 13 , further comprising applying a cladding layer to at least one of the first housing piece and the second housing piece.
17. The method according to claim 13 , further comprising a second groove in the first housing piece, said second groove comprising a canted coil spring.
18. The method according to claim 13 , wherein the two springs are made from multi-metallic wires.
19. The method according to claim 13 , wherein the gap of said first housing piece is extended into a second spring groove having a canted coil spring disposed therein.
20. The method according to claim 13 , wherein the connecting piece and the first housing piece are unitarily formed.