Vehicle electric power distribution system

• US 5,587,890 A
• Filed: 08/08/1994
• Issued: 12/24/1996
• Est. Priority Date: 08/08/1994
• Status: Expired due to Term

• Current Assignee: Cooper Technologies Company (Eaton Corporation PLC.)
• Original Assignee: Cooper Industries, Inc. (Eaton Corporation PLC.)
• Inventors: Bailey, William R., Lesesky, Alan, Happ, Lawrence R., Korczynski, Jacek
• Primary Examiner(s): Picard, Leo P.
• Assistant Examiner(s): WHANG, YOUNG
• Application Number:
  US08/287,623
• Time in Patent Office: 869 Days
• Field of Search: 361/826, 361/760, 361/761, 361/762, 361/767, 361/778, 361/791, 361/752, 361/796, 174/260, 248/27.1
• US Class Current: 361/826
• CPC Class Codes: B60R 16/0238 Electrical distribution centers
• CPC Class Codes: H01R 9/2458 Electrical interconnections between terminal blocks
• CPC Class Codes: H02B 1/207 Cross-bar layouts
• CPC Class Codes: H05K 1/0287 having an universal lay-out, e.g. pad or land grid patterns or mesh patterns
• CPC Class Codes: H05K 1/0298 Multilayer circuits
• CPC Class Codes: H05K 1/144 Stacked arrangements of planar printed circuit boards
• CPC Class Codes: H05K 2201/10303 Pin-in-hole mounted pins
• CPC Class Codes: H05K 2201/1059 Connections made by press-fit insertion
• CPC Class Codes: H05K 2203/175 Configurations of connections suitable for easy deletion, e.g. modifiable circuits or temporary conductors for electroplating; Processes for deleting connections
• CPC Class Codes: H05K 3/202 using self-supporting metal foil pattern
• CPC Class Codes: H05K 3/326 the printed circuit having integral resilient or deformable parts, e.g. tabs or parts of flexible circuits H05K3/365 takes precedence

Abstract

A vehicle electric power distribution system having a plurality of conductive plates, wherein each conductive plate includes an arrangement of contact pads that are electrically connected to other contact pads via integrally formed conductive traces. These conductive plates can be vertically stacked, with electrical contact between selected contact pads on different conductive plates being provided by conductive pins. Each conductive plate is selectively coated with an insulating layer to obviate unwanted electrical contact.

Claims

1. A vehicle electric power distribution apparatus comprising:

a plurality of vertically stacked conductive circuit layers, each layer including a rectangular array of contact pads, each of the conductive circuit layers is at least partially coated with an electrically insulating plastic material, and at least some of the contact pads are electrically connected to selected other contact pads of the same conductive circuit layer via integrally formed conductive traces; and

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers.

2. A vehicle electric power distribution apparatus comprising:

a plurality of vertically stacked conductive circuit layers, each layer including a rectangular array of contact pads each of the conductive circuit layers is at least partially encapsulated by an electrically insulating material, and at least some of the contact pads are electrically connected to selected other contact pads of the same conductive circuit layer via integrally formed conductive traces;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers.

3. The apparatus of claim 2, wherein the electrically insulating material covers substantially all of the conductive circuit layer, except for at least a portion of the contact pads and at least a portion of the conductive traces.

4. A vehicle electric power distribution apparatus comprising:

a plurality of vertically stacked conductive circuit layers, each including a rectangular array of contact pads at least one of the conductive circuit layers includes at least one integrally formed electrical contact coplanar therewith, and at least some of the contact pads are electrically connected to selected other contact pads of the same conductive circuit layer via integrally formed conductive trace;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers, and the contact extending outwardly from the conductive circuit layer, making electrical contact with at least one of the contact pads, and arranged to provide electrical contact with an external electric power distribution network.

5. A vehicle electric power distribution apparatus comprising:

a plurality of vertically stacked conductive circuit layers, each layer including a rectangular array of contact pads, and at least some of the contact pads are electrically connected to selected other contact pads of the same conductive circuit layer via integrally formed conductive traces;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers, and at least one of the conductive pins includes an electrical connector on at least one end.

6. The apparatus of claim 5, wherein an electrical component is arranged to make electrical contact with the electrical connector.

7. The apparatus of claim 5, wherein the electrical connector is integrally formed with the conductive pin.

8. A vehicle electric power distribution apparatus comprising:

a plurality of vertically stacked conductive circuit layers, each layer including a rectangular array of contact pads, and at least some of the contact pads are electrically connected to selected other contact pads of the same conductive circuit layer via integrally formed conductive traces;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers,

a housing substantially surrounding the vertically stacked conductive circuit layers, the housing having at least one opening therethrough to accommodate a connection with an external electric power distribution network.

9. A vehicle electric power distribution apparatus comprising:

a plurality of vertically stacked conductive circuit layers, each layer including a rectangular array of contact pads, wherein at least some of the contact pads are electrically connected to selected other contact pads of the same conductive circuit layer via integrally formed conductive traces;

at least one of the conductive circuit layers including at least one integrally formed electrical contact coplanar therewith, the contact extending outwardly from the conductive circuit layer, making electrical contact with at least one of the contact pads, and arranged to provide electrical contact with an external electric power distribution network;

electrically insulating material covering at least a portion of each conductive circuit layer;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers, wherein at least one of the conductive pins includes an electrical connector on at least one end;

at least one electrical component arranged to make contact with the electrical connector;

a housing substantially surrounding the vertically stacked conductive circuit layers, the housing including at least one opening therethrough to accommodate a connection with an external electric power distribution network.

10. The apparatus of claim 9 wherein the conductive plates are fabricated from conductive material having a thickness of from 0.020 to 0.050 inches.

11. The apparatus of claim 9 wherein the electrically insulating material covers substantially all of the conductive circuit layer, except for at least a portion of the contact pads and at least a portion of the conductive traces.

12. The apparatus of claim 11 wherein the conductive pins include a lower tubular portion and an upper connector portion, and the conductive plates are fabricated from conductive material having a thickness of from 0.020 to 0.050 inches.

13. An electric power distribution apparatus comprising:

a plurality of conductive plates including contact pads arranged in a predetermined pattern, Wherein at least some of the contact pads are electrically connected to selected other contact pads via integrally formed conductive traces;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers, and said conductive pins include a lower tubular portion and an upper connector portion, the lower tubular portion is formed by a stamping operation that leaves a longitudinal slot extending substantially throughout the lower tubular portion.

14. The apparatus of claim 13, wherein the contact pads are arranged in a rectangular array.

15. The apparatus of claim 14, wherein the array is square, and the contact pads are separated by a center-to-center distance of about 0.320 inch.

16. The apparatus of claim 13, wherein the lower tubular portion and the upper connector portion are integrally formed.

17. The apparatus of claim 13, wherein the conductive plates are fabricated from conductive material having a thickness of from 0.020 to 0.050 inch.

18. The apparatus of claim 17, wherein the conductive material is copper.

19. The apparatus of claim 18, wherein the conductive plates are formed by a stamping operation.

20. The apparatus of claim 13, wherein the conductive plates are at least partially coated with an insulating material.

21. The apparatus of claim 13, wherein the conductive plates are stacked vertically.

22. An electric power distribution apparatus comprising:

a plurality of conductive plates stacked vertically, wherein the conductive plates are;

formed by a stamping operation to include an arrangement of contact pads wherein at least some of the contact pads are separated from adjacent contact pads by integrally formed conductive traces, and such that the conductive plates are substantially identical after stamping;

at least partially coated with an insulating material such that the conductive plates are electrically isolated from one another; and

subjected to a subsequent shearing operation to selectively remove undesired conductive traces to form desired conductive paths, thus rendering each conductive plate substantially unique from other conductive plates;

a plurality of conductive pins providing electrical contact between selected contact pads of different selected conductive circuit layers.

23. The apparatus of claim 22, wherein the electrically insulating material is plastic, and each of these conductive circuit layers is at least partially encapsulated by an electrically insulating material.

24. The apparatus of claim 23 wherein the electrically insulating material covers substantially all of the conductive circuit layer, except for at least a portion of the contact pads and at least a portion of the conductive traces.

25. The apparatus of claim 23 wherein at least one of the conductive circuit layers includes at least one integrally formed electrical contact coplanar therewith, the contact extending outwardly from the conductive circuit layer, making electrical contact with at least one of the contact pads, and arranged to provide electrical contact with an external electric power distribution network.

26. The apparatus of claim 25 wherein at least one of the conductive pins includes an electrical connector on at least one end.

27. The apparatus of claim 26 wherein the electrical connector is integrally formed with the conductive pin.

28. An electrical power distribution apparatus comprising:

at least three conductive circuit plates, each having a substantially identical outer dimension and outer planar profile;

each conductive circuit plate being spaced from each other and extending substantially parallel to each other;

an appropriate insulation means separating said conductive plates from each other;

each conductive plate having the same number of first and second contact pads, some of said contact pads being electrically connected to each other, said first contact pads on one of said conductive plates being directly over corresponding first contact pads of the other conductive plates, a plurality of electrical connectors extending through each of the conductive plates, some of said electrical connectors selectively and electrically contacting some of the conductive plates;

a plurality of electrical contacts electrically connected to one or more conductive plates;

electrical terminals selectively and electrically connected to said electrical connectors;

a plurality of electrical circuits which pass from one electrical contact through a plurality of first pads on one conductive plate and at least one first pad on another conductive plate and to another electrical contact;

said circuits being closeable by an appropriate connection to an external power distribution network.

29. The apparatus of claim 28 wherein the conductive plates are fabricated from conductive material having a thickness of from 0.020 to 0.050 inches.