TWM510560U - Electrical connector - Google Patents

Abstract

An electrical connector includes eight contacts including a first mating contact, a second mating contact, a third mating contact, a fourth mating contact, a fifth mating contact, a sixth mating contact, a seventh mating contact, and an eighth mating contact. Each mating contact includes a front portion and an extending portion extending backwardly from the front portion. The fourth mating contact goes cross with the fifth mating contact. The sixth mating contact goes cross with third mating contact. The electrical connector could transmit 40 Gbps network signal.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an arrangement of internal docking terminals in an electrical connector to accommodate high speed data transmission.

With the development of technology and the increasing demand for applications, the transmission speed of Ethernet has gradually expanded from the initial 10 Mbps to 100 Mbps, 1 Gbps, and 10 Gbps.

The transmission speed of the next generation of Ethernet will reach 40 Gbps. The high-speed transmission of the network signal, the traditional electrical connector can not be satisfied, due to the increase of the transmission speed, the electromagnetic interference of the docking terminal in the electrical connector will be quite large, As a result, transmission with conventional electrical connectors does not meet the test specifications.

The eight docking terminals of the traditional setting are arranged in a row, and the middle four terminals are divided into two pairs of differential signal channels, and the crosstalk between the channels is particularly large, which cannot meet the specification of the 40 Gbps network transmission speed.

The technical problem to be solved by the present invention is to provide an electrical connector with low crosstalk between the mating terminals to meet high speed transmission.

In order to solve the above technical problem, the technical means of the present invention is: an electrical connector comprising eight docking terminals, the eight terminals including along a first butt terminal, a second butt terminal, a third butt terminal, a fourth butt terminal, a fifth butt terminal, a sixth butt terminal, a seventh butt terminal and an eighth butt terminal arranged in a horizontal direction, the first butt joint The terminal and the second butt terminal, the third butt terminal and the sixth butt terminal, the fourth butt terminal and the fifth butt terminal, and the seventh butt terminal and the eighth butt terminal are respectively used for transmitting a pair of differential signal pairs, each of the docking The terminal has a front end portion and an extending portion extending rearward from the front end portion, wherein the extension portion of the fourth butt terminal and the extension portion of the fifth butt terminal are disposed to cross each other, the extension portion of the third butt terminal and the sixth butt terminal The extensions are arranged to cross each other.

Compared with the prior art, the present invention crosses the fourth butt terminal and the fifth butt terminal, and crosses the third butt terminal with the sixth butt terminal, so that the crosstalk between the two pairs of differential signals is reduced. Meet the requirements of transmitting high-speed network signals of 40Gbps.

1‧‧‧Insulating body

10‧‧‧ pairs of sockets

100‧‧‧Electrical connector

11‧‧‧ front wall

12‧‧‧ Back wall

121‧‧‧Separate slot

122‧‧‧Stile arm

123‧‧‧guide arm

13‧‧‧ top wall

131‧‧‧ card slot

14‧‧‧ bottom wall

15‧‧‧ side wall

2‧‧‧Terminal module

21‧‧‧Docking terminal

211‧‧‧First docking terminal

212‧‧‧Second docking terminal

213‧‧‧ Third docking terminal

214‧‧‧fourth docking terminal

215‧‧‧ fifth docking terminal

216‧‧‧6th docking terminal

217‧‧‧ seventh docking terminal

218‧‧‧8th docking terminal

22‧‧‧ Magnetic coil

221‧‧‧ magnetic core

23‧‧‧Insulation carrier

230‧‧‧ containment chamber

231‧‧‧ front wall

2310‧‧‧ Containment trough

232‧‧‧ side wall

233‧‧‧ rear end wall

2331‧‧‧ holding slot

234‧‧‧ top wall

24‧‧‧ pin terminal

241‧‧‧ Holding Department

242‧‧‧ Connection Department

243‧‧‧Weld Department

25‧‧‧Sub Board

251‧‧‧ upper side

252‧‧‧ lower side

253‧‧‧First row of soldering slots

254‧‧‧Second row of welding troughs

26‧‧‧Center tap terminal

3‧‧‧Metal mask housing

50‧‧‧ front end

501‧‧‧Contacts

502‧‧‧Top bend

503‧‧‧backing

504‧‧‧ horizontal department

60‧‧‧Extension

603‧‧‧ Third Extension

6031‧‧‧Third Turning Department

6032‧‧‧3rd lateral section

6033‧‧‧The third longitudinal section

604‧‧‧4th extension

605‧‧‧ Fifth Extension

606‧‧‧ sixth extension

6061‧‧‧ sixth bend

6062‧‧‧ vertical

6063‧‧‧ Sixth Turning Department

6064‧‧‧Sixth lateral section

6065‧‧‧ sixth longitudinal section

70‧‧‧Installation Department

The first picture is a perspective view of the present electrical connector.

The second figure is an exploded view of the electrical connector shown in the first figure.

The third figure is another exploded view of the electrical connector shown in the second figure.

The fourth figure is a further angular exploded view of the electrical connector shown in the second figure.

The fifth figure is another exploded view of the electrical connector shown in the fourth figure.

The sixth figure is a schematic diagram of the docking terminal shown in the fourth figure.

The seventh figure is another perspective view of the docking terminal shown in the sixth figure.

Please refer to the first to seventh figures together, which is an electrical connector 100 conforming to the present invention, which can be mounted on an external circuit board (not shown) for transfer transmission of the RJ45 plug connector (crystal The network signal between the head, not shown) and the external board. The electrical connector 100 of the present invention is used to transmit a high speed network signal of 40 Gbps.

The electrical connector 100 includes an insulative housing 1 , a terminal module 2 mounted on the rear end of the insulative housing 1 , and a metal mask housing 3 covering the insulative housing 1 and the outside of the terminal module 2 .

The insulative housing 1 is substantially square and includes a front wall 11, a rear wall 12, a top wall 13, a bottom wall 14, and two side walls 15. The insulative housing 1 is provided with a pair of sockets 10 for inserting and fitting the RJ45 plug connector (docking connector) in the front-rear direction. The pair of sockets 10 are formed to be recessed rearward from the front wall 11 and are surrounded by the front wall 11, the rear wall 12, the top wall 13, the bottom wall 14, and the two side walls 15. The middle portion of the front end of the top wall 13 is provided with a holding groove 131 penetrating through the top wall 13 and penetrating the pair of sockets 10, wherein the holding groove 131 is for snap-fitting with the buckle tail of the RJ45 plug connector. The rear wall 12 is provided with a plurality of barrier grooves 121 which are arranged laterally from the rear wall 12 and a barrier arm 122 which is located between the adjacent two barrier grooves 121. The barrier groove 121 communicates with the pair of sockets 10 in the front-rear direction. The insulative housing 1 further includes a pair of guiding arms 123 extending rearward from the lower left corner and the lower right corner of the rear wall 12, and the guiding arm 123 is used for guiding the sliding installation of the terminal module 2, The setting of the lead arm 123 facilitates the installation of the terminal module 2.

The terminal module 2 includes eight mating terminals 21 for mating with the RJ45 plug connector, one of the pin terminals 24 for mounting to the external circuit board, and is electrically connected between the mating terminal 21 and the pin terminal 24. Magnetic coil 22 (connected enameled wire not The center tap terminal 26 and the insulating carrier 23 for fixing the mating terminal 21 and the pin terminal 24 are shown. The terminal module 2 further includes a sub-circuit board 25 mounted on the lower side of the insulating carrier 23 and connected to the mating terminal 21, the sub-board 25 being horizontally disposed and disposed adjacent to the upper side 251 and the upper side 251 of the insulating carrier 23. Instead, the lower side 252 is set. The lower side 252 is provided with a plurality of capacitors and resistors (not shown) electrically connected to the center tap terminal 26 to form a Bob Smith circuit. The sub-circuit board 25 is provided with a plurality of first rows of soldering grooves 253 extending through the front end of the sub-circuit board 25 in the up-and-down direction and a second row of soldering slots 254 located behind the first row of soldering slots 253. One end of the mating terminal 21 is inserted into and connected to the first row of soldering slots 253 or the second row of soldering slots 254, and the other end of the mating terminal 21 passes through the bay slot 121 and extends into the pair of sockets 10.

The insulating carrier 23 has a front end wall 231, a rear end wall 233, and a top end wall 234 and side end walls 232 connected between the front end wall 231 and the rear end wall 233. The front end wall 231, the rear end wall 233, the top end wall 234 and the two side end walls 232 define a downwardly opening receiving cavity 230. The mating terminal 21 is fixed to the front end wall 231, and the pin terminal 24 is fixed to the rear. The end wall 233 , the magnetic coil 22 is received in the receiving cavity 230 . The magnetic coil 22 is located between the mating terminal 21 and the pin terminal 24.

Referring to FIG. 6 and FIG. 7 together, the eight docking terminals 21 include a first butt terminal 211, a second butt terminal 212, a third butt terminal 213, and a fourth row which are sequentially arranged in the lateral direction and are mounted on the front end of the sub-board 25. Butt terminal 214, fifth butt terminal 215, sixth butt terminal 216, seventh butt terminal 217 and eighth butt terminal 218. The first butt terminal 211, the second butt terminal 212, the third butt terminal 213, the sixth butt terminal 216, the fourth butt terminal 214, and the fifth pair The terminal 215, and the seventh butt terminal 217 and the eighth docking terminal 218 are respectively configured to transmit a pair of differential signal pairs.

Each of the mating terminals 21 has a front end portion 50, an extending portion 60 extending rearward from the front end portion 50, and a mounting portion 70 extending downwardly along the extending portion 60 and extending downward. The fourth extension portion 604 of the fourth butt terminal 214 and the fifth extension portion 605 of the fifth butt terminal 215 are disposed to cross each other, and the third extension portion 603 and the sixth extension terminal 216 of the third butt terminal 213 extend sixth. The sections 606 are arranged to cross each other. The crosstalk between the third butt terminal 213, the fourth butt terminal 214, the fifth butt terminal 215 and the sixth butt terminal 216 in the electrical connector 100 is the strongest, by connecting the fourth docking terminal 214 to the fifth docking The terminals 215 are crossed, and the third butt terminal 213 and the sixth butt terminal 216 are crossed, so that the crosstalk between the two pairs of differential signal pairs is reduced to meet the requirement of transmitting a high speed network signal of 40 Gbps.

The fourth extension 604 of the fourth butt terminal 214 is located below the fifth extension 605 of the fifth butt terminal 215. The mounting portions 70 of the first butting terminal 211, the second butting terminal 212, the seventh butting terminal 217, and the eighth butting terminal 218 are arranged in a first row in the lateral direction and are welded to the first row of soldering slots 253. The mounting portions 70 of the third butt terminal 213, the fourth butt terminal 214, the fifth butt terminal 215, and the sixth butt terminal 216 are arranged in a second row in the lateral direction and are welded to the second row of soldering slots 254.

The front end portion 50 of each mating terminal 21 includes a top bent portion 502, a contact portion 501 extending obliquely forward and downward from the top curved portion 502, a back portion 503 extending rearward and downward from the top bent portion 502, and a back portion The joint portion 503 extends horizontally rearwardly from the horizontal portion 504, and the projections of the front end portions 50 of the eight mating terminals 21 in the lateral direction coincide with each other.

The third extending portion 603 of the third butting terminal 213 includes a third turning portion 6031 extending backward and downward from the horizontal portion thereof, a third lateral portion 6032 extending laterally from the third turning portion 6031, and a third lateral portion 6032 A third longitudinal portion 6033 extends rearward. The sixth extension portion 606 of the sixth butt terminal 216 includes a sixth curved portion 6061 extending backward and extending, a vertical portion 6062 extending upward from the sixth curved portion 6061, and a sixth turn extending backward from the vertical portion 6062. The portion 6063 has a sixth lateral portion 6064 extending laterally from the sixth turning portion 6063 and a sixth longitudinal portion 6065 extending rearward from the sixth lateral portion 6064. The sixth lateral portion 6064 is located on the upper side of the third lateral portion 6032.

Referring to the fourth figure, the bottom of the front end wall 231 of the insulating carrier 23 is provided with eight receiving slots 2310 open to the front for mounting and fixing the eight mating terminals 21.

Referring to the third to fifth figures, each of the pin terminals 24 has a holding portion 241 fixed to the rear end wall 233 of the insulating carrier 23, extending forward from the bottom of the holding portion 241 and extending downward beyond the insulating carrier 23 The connecting portion 242 of the rear end wall 233 and the welded portion 243 extending rearward from the retaining portion 241 beyond the rear end wall 233. The weld portion 243 extends rearward beyond the rear end wall 233 for surface welding (SMT) to an external circuit board. The bottom of the rear end wall 233 is provided with a downwardly extending holding groove 2331. The pin terminal 24 is inserted from the holding groove 2331 and held on the rear end wall 233. The holding groove 2331 penetrates the end wall 233 of the insulating carrier 23 in the front-rear direction, and is arranged to facilitate the operation of the enamelled wire head.

The magnetic coil 22 includes a transformer coil and a common mode suppressor coil, each coil including a magnetic core 221 and an enameled wire (not shown) wound around the magnetic core 221, and a center tap of the transformer coil is wound and connected to the center tap terminal 26. Enameled wire has a first end wire (not shown) connected to the mating terminal 21 and a second end wire (not shown) connected to the pin terminal 24, wherein the first end wire and the second end wire are enameled wires The two free ends. The first end wire is wound around the mounting portion 70 of the mating terminal 21 , and the second end wire is wound around the connecting portion 242 of the pin terminal 24 .

In summary, this creation has indeed met the requirements of the new patent, and filed a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereby. Equivalent modifications or variations made by those of ordinary skill in the art in the spirit of the present invention are still covered by the appended claims.

211‧‧‧First docking terminal

212‧‧‧Second docking terminal

213‧‧‧ Third docking terminal

214‧‧‧fourth docking terminal

215‧‧‧ fifth docking terminal

216‧‧‧6th docking terminal

217‧‧‧ seventh docking terminal

218‧‧‧8th docking terminal

603‧‧‧ Third Extension

6031‧‧‧Third Turning Department

6032‧‧‧3rd lateral section

6033‧‧‧The third longitudinal section

606‧‧‧ sixth extension

6061‧‧‧ sixth bend

6062‧‧‧ vertical

6063‧‧‧ Sixth Turning Department

6064‧‧‧Sixth lateral section

6065‧‧‧ sixth longitudinal section

Claims (10)

An electrical connector comprising eight docking terminals, the eight terminals including a first butt terminal, a second butt terminal, a third butt terminal, a fourth butt terminal, and a fifth butt terminal arranged in a row in the lateral direction a six-butt terminal, a seventh butt terminal and an eighth butt terminal, the first butt terminal and the second butt terminal, the third butt terminal and the sixth butt terminal, the fourth butt terminal and the fifth butt terminal, and the seventh docking terminal The terminal and the eighth butt terminal are respectively configured to transmit a pair of differential signal pairs, each of the docking terminals has a front end portion and an extending portion extending rearward from the front end portion, wherein the extension of the fourth butt terminal and the extension of the fifth butt terminal The portions are disposed to intersect each other, and the extension portion of the third butt terminal and the extension portion of the sixth butt terminal are disposed to cross each other. The electrical connector of claim 1, wherein the extension of the third butt terminal is located below the extension of the fourth butt terminal and the fifth butt terminal, and the extension of the sixth docking terminal is located Above the extension of the fourth butt terminal and the fifth butt terminal. The electrical connector of claim 2, wherein the extension of the fourth butt terminal is located below the extension of the fifth butt terminal. The electrical connector of claim 1, wherein each of the mating terminals further has a mounting portion extending downwardly along the extending portion, the first butt terminal, the second butt terminal, and the seventh docking The mounting portions of the terminal and the eighth butt terminal are arranged in a first row in a lateral direction, and the mounting portions of the third butt terminal, the fourth butt terminal, the fifth butt terminal, and the sixth butt terminal are arranged in a lateral direction In the second row, the second row is located behind the first row. The electrical connector of claim 1, wherein the front end of each of the mating terminals comprises a top bent portion, a contact portion extending obliquely forward and downward from the top curved portion, and extending rearward and downward from the top curved portion. The backing portion and the horizontal portion extending horizontally rearward from the backing portion, the projections of the front ends of the eight terminals in the lateral direction overlap each other. The electrical connector of claim 5, wherein the extension of the third butt terminal comprises a third turn extending backward and downward from a horizontal portion thereof, and a lateral extension from the third turn a third lateral portion and a third longitudinal portion extending rearward from the third lateral portion. The electrical connector of claim 6, wherein the extension of the sixth butt terminal comprises a sixth curved bend extending rearwardly and upwardly from a horizontal portion thereof, and a vertical extension extending from the sixth curved portion. a straight portion, a sixth turn extending from the vertical portion upwardly and rearwardly, a sixth lateral portion extending laterally from the sixth turn portion, and a sixth longitudinal portion extending rearward from the sixth lateral portion, the sixth lateral portion Located on the upper side after the third lateral portion. The electrical connector of claim 4, wherein the electrical connector further comprises an insulating carrier mounted on a rear side of the insulating body, a magnetic coil housed in the insulating carrier, and a pin terminal mounted on the insulating carrier, And a sub-circuit board under the insulating carrier, the mounting portion of the eight mating terminals is mounted on the sub-circuit board, the magnetic coil includes a magnetic core and an enameled wire wound on the magnetic core, and one of the enameled wires is connected to the mating terminal The other end of the enameled wire is connected to the pin terminal. The electrical connector of claim 8, wherein the insulating carrier comprises a front wall, a rear end wall, a top end wall, and two side end walls surrounding a receiving cavity, the receiving cavity opening downwards, The magnetic coil is housed in the receiving cavity, The front end wall is provided with a receiving groove for mounting and fixing the mating terminal, and the rear end wall is provided with a holding groove for mounting and fixing the pin terminal. The electrical connector of claim 8, wherein the electrical connector further comprises a mask housing encasing the insulative housing and the outer side of the insulative carrier.