Electrical connector with heat-dissipation feauter thereof

Patent metadata

Field	Value
Publication number	US-9022800-B2
Application number	US-201313900534-A
Country	US
Kind code	B2
Filing date	May 23, 2013
Priority date	May 23, 2013
Publication date	May 5, 2015
Grant date	May 5, 2015

Abstract

An electrical connector includes an insulator base having a rear retaining portion and a front tongue portion, a first terminal module with a plurality of first terminals thereof, a second terminal module with a plurality of second terminals thereof and interlocked with the first terminal module, and a shielding shell retained to the insulator base. A heat dissipation metal plate is embedded in the insulator base, and the heat dissipation metal plate provides a contact ear extending out of the insulator base and contacting with the shielding shell for heat dissipating.

First claim

What is claimed is:

1. An electrical connector comprising:
an insulator base having a rear retaining portion and a front tongue portion;
a first terminal module with a plurality of first terminals thereof;
a second terminal module with a plurality of second terminals thereof, the first and second terminal modules interlocking with each other and then commonly inserted into a retaining room of the rear retaining portion to expose contacting portions of the first and second terminals upon opposite surfaces of the front tongue portion; and
a shielding shell retained to the insulator base and surrounding the insulator base, thereby defining a mating cavity, into which the front tongue portion extending forwards from the rear retaining portion;
wherein a heat dissipation metal plate is embedded in the insulator base, and the heat dissipation metal plate provides a contact ear extending out of the insulator base and contacting with the shielding shell for heat dissipating.

2. The electrical connector as described in claim 1 , wherein the retaining portion defines a partition disposed in the retaining room and sandwiched between the first and second terminal module, a front portion of the heat dissipation metal plate is embedded in the front tongue portion, and a rear portion of the heat dissipation metal plate is embedded in the partition.

3. The electrical connector as described in claim 2 , wherein the contact ear is stiff and bends from a side edge of the heat dissipation metal plate, the shielding shell defines resilient contacting finger for contacting with the contact ear.

4. The electrical connector as described in claim 2 , wherein first terminals are integrally molded with the first terminal module.

5. The electrical connector as described in claim 2 , wherein second terminals are integrally molded with the second terminal module.

6. An electrical connector assembly comprising:
a first connector and a second connector intended for mating with the first connector, the first connector for mounting to a printed circuit board, including an insulative housing, a plurality of terminals arranged on the insulating hosing, a shielding shell snugly surrounding the insulating housing and a heat dissipation means retained in the insulating housing and mechanically touching with the shielding shell; and
the second connector for connecting with a cable, including an second insulative housing, and a plurality of mating contacts arranged on the second housing, an internal printed circuit board connecting with the mating contacts and the cable and a mating shell snugly surrounding the second housing, the internal printed circuit board providing a thermal pad thereon which contacts with the mating shell;
wherein when the first connector and the second connector are mated with each other, a first connecting line is established through the terminals of the first connector and the mating contacts of the second connector, and a second connecting line is established through the thermal pad, the mating shell, the shielding shell and the heat dissipation means.

7. The electrical connector assembly as described in claim 6 , wherein the heat produced inside of the second connector during normal operation can be dissipated away along the second connecting line.

8. The electrical connector assembly as described in claim 7 , wherein the heat dissipation means defines a contact ear bending from a side edge thereof, and the shielding shell of the first connector defines a contacting finger, the heat transfers into the heat dissipation means via the contacting finger mechanically touching with the contact ear.

9. The electrical connector assembly as described in claim 7 , wherein the insulative housing of the first connector defines a rear base and a front mating tongue, the terminals comprise contacting portions exposed upon opposite surface of the front mating tongue, a front portion of the heat dissipation means is embedded in the front mating tongue, and a rear portion of the heat dissipation means is embedded in the rear base.

10. An electrical connector assembly comprising:
a receptacle connector mounted upon a main printed circuit board and defining a first insulative housing with a shielding plate embedded therein in a parallel relation with the main printed circuit board;
a plurality of first contacts disposed in the first insulative housing with tails mounted to the main printed circuit board;
a plug connector adapted to be mated with the receptacle connector and defining a second insulative housing with a metallic shield enclosing said second insulatve housing, a plurality of second contacts disposed in the second insulative housing, a cable extending rearwardly at a rear side of the plug connector, and a secondary printed circuit board located between the second insulative housing and the cable, and mechanically and electrically connected to the contacts and corresponding wires of the cable, a plurality of active components and a thermal pad mounted upon the secondary printed circuit board, said thermal pad contacting the metallic shield; wherein
during mating of said receptacle connector and said plug connector, the metallic shield and the shielding plate are thermally connected so as to define a thermal dissipation path therebetween.

11. The electrical connector assembly as claimed in claim 10 , wherein said shielding plate is embedded within a mating tongue of said first insulative housing and contacting sections of said first contacts are arranged two rows located on two opposite surfaces of said mating tongue.

12. The electrical connector assembly as claimed in claim 11 , wherein said receptacle connector further includes a metallic shell enclosing the first insulative housing, and said metallic shield is thermally connected to the shielding plate via said metallic shell.

13. The electrical connector assembly as claimed in claim 12 , wherein said metallic shell and said shielding plate mechanically contact each other on at least one side wall of the metallic shell.

14. The electrical connector assembly as claimed in claim 11 , wherein said shielding plate is mechanically and electrically connected to a corresponding grounding contact.

15. The electrical connector assembly as claimed in claim 14 , wherein said shielding plate is mechanically and electrically connected to the main printed circuit board.

16. The electrical connector assembly as claimed in claim 11 , wherein said first contacts are arranged with two rows respectively associated with two terminal modules, and a rear portion of said shielding plate is located between said two terminal modules.

17. The electrical connector assembly as claimed in claim 16 , wherein said two terminal modules are configured to be assembled to each other in a vertical direction.

18. The electrical connector assembly as claimed in claim 17 , wherein said mating tongue further defines a rearward extending partition located between the two terminal modules to receive a rear portion of the shielding plate.

19. The electrical connector assembly as claimed in claim 18 , wherein said first housing and said assembled two terminal modules are configured to allow said assembled two terminal modules to be assembled to the housing forwardly in a front-to-back direction perpendicular to said vertical direction.

20. The electrical connector assembly as claimed in claim 19 , wherein at least one of said two terminal modules defines a locking lug secured to the metallic shield.

Assignees

• Hon Hai Prec Ind Co Ltd

Inventors

• Yang An-Jen
• Little Terrance F

Classifications

• H01R13/6581 Primary

  Shield structure · CPC title

• H01R12/724

  containing contact members forming a right angle · CPC title

• H01R12/721

  cooperating directly with the edge of the rigid printed circuits · 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