Electrical connector with sensing terminal system

• US 5,651,685 A
• Filed: 02/16/1996
• Issued: 07/29/1997
• Est. Priority Date: 02/16/1996
• Status: Expired due to Fees

• Current Assignee: Molex Incorporated
• Original Assignee: Molex Incorporated
• Inventors: Long, Jerry A., Dambach, Philip J., Brinkman, Donald J.
• Primary Examiner(s): NGUYEN, KHIEM M
• Application Number:
  US08/602,672
• Time in Patent Office: 529 Days
• Field of Search: 439/188, 439/607-610, 439/488, 439/489, 439/29
• US Class Current: 439/79
• CPC Class Codes: H01R 12/7094 with switch operated by engagement of PCB
• CPC Class Codes: H01R 12/727 Coupling devices presenting arrays of contacts
• CPC Class Codes: H01R 13/641 by indicating incorrect coupling; by indicating correct or full engagement

Abstract

A sensing terminal system is disclosed for an electrical connector. The system includes a first terminal adapted for connection to a voltage potential. A second terminal includes a first part and a second part, with the two parts being electrically isolated. The first part is adapted for connection to a sensing line. The two parts are electrically coupled in response to mating of a mating terminal with the second terminal. The second part of the second terminal is electrically coupled with the first terminal to complete a sensing circuit therethrough.

Claims

1. In an electrical connector, a sensing terminal system comprising:

a first female terminal adapted for connection to a voltage potential;

a second female terminal including a first part and a second part with the two parts being electrically isolated, the first part being adapted for connection to a sensing line, and the two parts being electrically coupled in response to mating of a male terminal with the second female terminal; and

means electrically coupling the second part of the second female terminal with the first female terminal.

2. In an electrical connector as set forth in claim 1, wherein said first female terminal and the second part of said second female terminal are integral in a unitary structure.

3. In an electrical connector as set forth in claim 2, wherein said unitary structure is stamped of sheet metal material.

4. In an electrical connector as set forth in claim 3, wherein the first part of said second female terminal is stamped of sheet metal material.

5. In an electrical connector as set forth in claim 4, wherein said first and second female terminals are inserted molded in a dielectric housing to form a terminal module.

6. In an electrical connector as set forth in claim 5, wherein said first and second female terminals include retention barbs exposed exteriorly of the dielectric housing.

7. In an electrical connector as set forth in claim 1, wherein said first female terminal and the first part of said second female terminal include tail portions for coupling to circuit traces on a printed circuit board.

8. In an electrical connector, a sensing terminal system comprising:

a first terminal adapted for connection to a voltage potential;

a second terminal including a first part and a second part with the two parts being electrically isolated, the first part being adapted for connection to a sensing line, and the two parts being electrically coupled in response to mating of a mating terminal with the second terminal; and

means electrically coupling the second part of the second terminal with the first terminal.

9. In an electrical connector as set forth in claim 8, wherein said first terminal and the second part of said second terminal are integral in a unitary structure.

10. In an electrical connector as set forth in claim 9, wherein said unitary structure is stamped of sheet metal material.

11. In an electrical connector as set forth in claim 10, wherein the first part of said second terminal is stamped of sheet metal material.

12. In an electrical connector as set forth in claim 11, wherein said first and second terminals are inserted molded in a dielectric housing to form a terminal module.

13. In an electrical connector as set forth in claim 12, wherein said first and second terminals include retention barbs exposed exteriorly of the dielectric housing.

14. In an electrical connector as set forth in claim 8, wherein said first terminal and the first part of said second terminal include tail portions for coupling to circuit traces on a printed circuit board.

15. In an electrical connector as set forth in claim 8, wherein the first part of said second terminal is stamped of sheet metal material.

16. In an electrical connector, a mate sensing system comprising:

a dielectric housing including a plurality of pairs of terminal-receiving passages in the housing;

a plurality of pairs of terminals respectively received within the pairs of passages in the housing; and

one of said pairs of terminals including

a first terminal adapted for connection to a voltage potential,

a second terminal including a first part and a second part with the two parts being electrically isolated, the first part being adapted for connection to a sensing line, and the two parts being electrically coupled in response to mating of a mating terminal with the second terminal, and

means electrically coupling the second part of the second terminal with the first terminal.

17. In an electrical connector as set forth in claim 16, wherein said first terminal and the second part of said second terminal are integral in a unitary structure.

18. In an electrical connector as set forth in claim 17, wherein said unitary structure is stamped of sheet metal material.

19. In an electrical connector as set forth in claim 18, wherein the first part of said second terminal is stamped of sheet metal material.

20. In an electrical connector as set forth in claim 19, wherein said first and second terminals are inserted molded in a dielectric housing to form a terminal module.

21. In an electrical connector as set forth in claim 20, wherein said first and second terminals include retention barbs exposed exteriorly of the dielectric housing.

22. In an electrical connector as set forth in claim 16, wherein said first terminal and the first part of said second terminal include tail portions for coupling to circuit traces on a printed circuit board.

23. In an electrical connector as set forth in claim 16, wherein the first part of said second terminal is stamped of sheet metal material.

24. A method of fabricating a terminal module for use as a mate sensing system in an electric connector, comprising the steps of:

stamping first and second terminals from conductive sheet metal material, the first terminal being configured for connection to a voltage potential, the second terminal including first and second parts joined by a web of sheet metal material, the first part being configured for connection to a sensing line, and the second part being connected to the first terminal;

molding a dielectric insert about portions of the first and second terminals leaving said web between the first and second parts of the second terminal exposed; and

severing said web to electrically isolate the first and second parts of the second terminal whereby the two parts are adapted to be electrically coupled in response to mating of a mating terminal with the second terminal.

25. The method of claim 24 wherein said molding step includes molding the dielectric insert about the point of connection between the first terminal and the second part of the second terminal.