TWI569536B - Electrical connectors - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector for high speed signal transmission.

Taiwan Patent Publication No. 200945700 (other countries corresponding to WO2009111283, EP2260546, US20090221165, CN101960674, CA2714451) discloses an electrical connector including a shieldless ground coupling assembly, electrically connected by an unshielded ground coupling assembly A part of the grounding contact. The present invention discloses various embodiments, one of which is an electrical connector formed by a plurality of plate-type electrical connector modules arranged side by side, and the pair of electrical connector modules form a connector module assembly, each connection A plurality of common grounding shorting bars directly connected to the grounding contacts of the adjacent electrical connector modules are disposed between the two adjacent electrical connector modules of the module assembly.

Since the electrical connector includes a plurality of connector module assemblies, although the ground contacts of the two electrical connector modules of the single connector module assembly can be electrically connected by a common ground shorting bar to reduce cross talk, However, the grounding contacts between the connector module assemblies are not electrically connected, and there is still a lack of improvement in the common grounding path. Furthermore, the case is set to ground shorting bar The amount is large and the installation method is complicated, and there is room for improvement.

Accordingly, it is an object of the present invention to provide an electrical connector that is easy to assemble and that is capable of connecting the ground contacts between the connector module assemblies and that increases the common ground path.

Thus, in some embodiments, the electrical connector of the present invention comprises: a plurality of sheet guiding units and a plurality of first grounding connections. The sheet guiding units are arranged adjacent to each other side by side. Each of the thin film modules includes a plurality of thin film modules, and each of the thin film modules has an insulative housing, a plurality of differential signal terminal pairs, and a plurality of grounding terminals. The differential signal terminal pairs are staggered with the grounding terminals. The insulating body. Each of the first grounding connectors has a base portion and a plurality of fingers extending outwardly from opposite sides of the base portion, and the positions of the fingers on the two sides are staggered, and each of the first grounding connectors is disposed adjacent to each other. Between the sheet guiding units and the fingers thereof respectively penetrating the insulating bodies of the sheet modules of the two sheet guiding units adjacent thereto and contacting the corresponding grounding terminals, and each two adjacent first grounding connectors The fingers are staggered into each of the sheet modules of the sheet guiding unit located between the two adjacent first grounding connectors.

In some embodiments, the base of each of the first ground connectors is a rectangular piece, and the fingers extend outward from the two long sides of the base, respectively.

In some embodiments, each of the first ground connections has n fingers on one side and n-1 fingers on the other side.

In some implementations, a second ground connection is also included The second ground connection member has the same configuration as the first ground connection members and two more on the side of the base portion corresponding to the base portion of the first ground connection member having n-1 fingers And the fingers arranged on both sides of the n-1 fingers, each of the sheet modules of each of the sheet guiding units has n grounding terminals and each of the grounding terminals is in contact with at least one of the fingers.

In some embodiments, a second ground connection is further included, the second ground connection is configured to correspond to a half side of the first ground connection member having n fingers, and each sheet of the sheet guiding unit The module has n ground terminals and each ground terminal is in contact with at least one finger.

In some embodiments, one of the insulative bodies of the two sheet modules of each of the sheet guiding units has a plurality of studs and the other one has a plurality of grooves respectively mating with the studs to enable the The sheet modules are grouped together.

In some embodiments, a shield is further disposed, and the differential signal terminal pair and the ground terminal respectively have a contact portion extending from the corresponding insulating body, and the shield is assembled with the thin film guiding unit and has a body The body has a plurality of perforations arranged in an array to respectively correspond to the contact portions.

In some embodiments, a guide member is also arranged in parallel with the sheet guiding units, and the shield further has a guiding portion coupled to the seat body and mating with the guiding member.

In some embodiments, the differential signal terminal pair and the ground terminal respectively have a contact portion extending from the corresponding insulating body and a fixing portion embedded in the insulating body, and the fingers of each of the first ground connecting members are The fixing portion of the at least one grounding terminal is in contact with the contact portion.

In some embodiments, each of the insulative housings is in the shape of a plate and has a plurality of slots for one of the fingers to pass through, and the slotting position of the insulative housing of the two strip modules of each of the strip guiding units is different The slotting position of an insulative housing corresponds to one of the fingers being simultaneously disposed on the two sheet modules.

In some embodiments, each differential signal terminal pair of each of the sheet modules of each of the sheet guiding units is opposite to one of the ground terminals of the other sheet module.

The utility model has the advantages that the two strip guiding units can be mechanically connected by a single ground connecting member, and the grounding terminals of the plurality of sheet modules can be electrically connected by electric power, thereby reducing the ground connection of the whole electrical connector. The number of parts not only reduces the cost of manufacturing the grounding connection, but also makes the process of assembling the grounding connection relatively simple. Moreover, a single ground connection not only improves the common ground path of each of the sheet guiding units, but also improves the common ground path between the two sheet guiding units, and can increase the common ground path to reduce impedance and reduce crosstalk (Cross Talk) works better. Moreover, the ground terminal of the sheet guiding unit of the integral electrical connector can form a series power connection by using the grounding connectors, thereby reducing crosstalk and increasing the transmission rate.

100‧‧‧Electrical connector

10‧‧‧Sheet guide unit

1‧‧‧Sheet module

11‧‧‧Insulation body

111‧‧‧Bump

112‧‧‧ Groove

113‧‧‧through slot

114‧‧‧Snap Department

12‧‧‧Differential signal terminal pair

12a‧‧‧Signal terminals

12b‧‧‧Signal terminals

121‧‧‧Fixed Department

122‧‧‧Contacts

123‧‧‧ tail

13‧‧‧ Grounding terminal

131‧‧‧Fixed Department

1311‧‧‧ window

132‧‧‧Contacts

133‧‧‧ tail

2‧‧‧First grounding connector

21‧‧‧ base

22‧‧ ‧ fingers

3‧‧‧Second grounding connector

3'‧‧‧Second grounding connector

4‧‧‧Guide

41‧‧‧Deduction

42‧‧‧ docking slot

5‧‧‧ fixed plate

51‧‧‧ card slot

6‧‧‧Shield

61‧‧‧ body

611‧‧‧Perforation

62‧‧‧Guide

Other features and advantages of the present invention will be apparent from the following detailed description of the embodiments of the accompanying drawings in which: FIG. 1 is a perspective view illustrating a first embodiment of the electrical connector of the present invention; FIG. 1 is a view showing a combination relationship between a shroud of the first embodiment and a plurality of sheet guiding units and a guiding member; Figure 3 is another perspective view of Figure 2; Figure 4 is a side view illustrating the first embodiment; Figure 5 is a cross-sectional view taken along line VV of Figure 4, illustrating a plurality of the first embodiment FIG. 6 is an exploded perspective view showing the combined relationship between the sheet guiding unit and the grounding connecting member of the first embodiment; FIG. 7 is an exploded perspective view showing the first FIG. 8 is another perspective view of FIG. 7; FIG. 9 is an exploded perspective view showing two sheets of the sheet guiding unit of the first embodiment; FIG. 10 is a perspective view showing the arrangement relationship between the ground terminal and the differential signal terminal pair of the two-chip module of the sheet guiding unit of the first embodiment, wherein some of the terminals are intentionally pulled in the figure. FIG. 11 is a view similar to FIG. 6, illustrating a second embodiment of the electrical connector of the present invention; FIG. 12 is a side view; and FIG. 13 is a XIII-XIII along FIG. A cross-sectional view taken from a straight line, illustrating a plurality of the second embodiment Relationship role member connected to the sheet guide unit is connected.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 to 6, a first implementation of the electrical connector of the present invention The example includes a plurality of sheet guiding units 10, a plurality of first grounding connectors 2, a second grounding connector 3, a guiding member 4, a pair of fixing plates 5 and a shroud 6.

The sheet guiding units 10 are arranged adjacent to each other. Referring to FIG. 7 to FIG. 10, each of the sheet guiding units 10 includes two (or more than two) sheet modules 1 each having an insulative housing 11 and a plurality of differential signal terminal pairs. 12 and a plurality of grounding terminals 13 , the pair of differential signal terminals 12 and the grounding terminals 13 are staggered on the insulative housing 11 for better transmission effect. Each of the insulative housings 11 has a plate shape and has two latching portions 114 respectively located on both sides. One of the insulative housings 11 of the two sheet modules 1 of each of the sheet guiding units 10 has a plurality of studs 111 and the other one has a plurality of grooves 112 respectively mating with the studs 111 to make the pair The sheet modules 1 are grouped together face to face. Each of the differential signal terminal pairs 12 is composed of two signal terminals 12a and 12b. The signal terminals 12a and 12b and the grounding terminal 13 respectively have a fixing portion 121, 131 embedded in the corresponding insulative housing 11, and a fixing portion 121. One end of the 131 extends from the contact portion 122, 132 of the insulative housing 11 and a tail portion 123, 133 extending from the other end of the fixing portion 121, 131 and extending out of the insulative housing 11. A ground terminal 13 is interposed between two adjacent differential signal terminal pairs 12 of each of the thin film modules 1, and each differential signal terminal pair 12 and another thin film module of each of the thin film modules 1 of each of the thin film guiding units 10 One of the ground terminals 13 of the group 1 is opposed to reduce crosstalk. Each of the insulative housings 11 further has a plurality of through slots 113 respectively adjacent to the fixing portion 131 of one of the grounding terminals 13 and adjacent to the contact portion 132, and one of the grounding terminals 13 A portion is exposed to the through slot 113. In addition, the position of the through slot 113 of the insulative housing 11 of the two thin film modules 1 of each of the sheet guiding units 10 corresponds to the position of the through slot 113 of the other insulative housing 11, and when the two insulative housings 11 are combined together, The through slots 113 can be in communication.

Referring to FIG. 4 to FIG. 6 , the first ground connection members 2 are respectively disposed between the adjacent sheet guiding units 10 , and the second ground connecting members 3 are disposed in the sheet guiding units 10 . The outer two sheets are connected between the units 10. Each of the first grounding connectors 2 has a base portion 21 and a plurality of fingers 22 connected to the base portion 21. The base portion 21 is a rectangular sheet body, and the fingers 22 are respectively formed by the two long sides of the base portion 21 ( The opposite sides extend outward and have n fingers 22 on one side and n-1 fingers 22 on the other side. The second ground connection member 3 has the same configuration as the first ground connection members 2 and two more on the side of the base portion 21 corresponding to the first ground connection member 2 having n-1 fingers 22 The finger portions 22 are arranged on both sides of the n-1 finger portions 22 at both ends, and the two additional finger portions 22 are respectively aligned with the two finger portions 22 on the outermost sides of the other side of the base portion 21. Each of the sheet modules 1 of each of the sheet guiding units 10 has n grounding terminals 13 and each of the grounding terminals 13 is in contact with at least one of the fingers 22. Specifically, in the present embodiment, n = 4, that is, the base portion 21 of each of the first ground connectors 2 has four fingers 22 on one side and three fingers 22 on the other side. The base 21 of the second grounding connector 3 also has four fingers 22 on one side and five fingers 22 on the other side. Each of the fingers 22 cooperates with the through slot 113 of the insulative housing 11 of the two sheet modules 1 of the single sheet guiding unit 10, and can be simultaneously inserted into the through slots 113 communicating with the two sheet modules 1. Finger of each grounding connector 2, 3 The portions 22 respectively penetrate the through slots 113 of the two sheet modules 1 of the adjacent sheet guiding unit 10 to contact the corresponding grounding terminals 13, that is, each of the grounding connectors 2, 3 can electrically connect the two sheet guiding units 10, a total of four ground terminals 13 of the thin film module 1.

As shown in FIG. 5, it is necessary to first explain that the cutting position (refer to FIG. 4 and FIG. 10) taken from FIG. 5 is provided at the fixing portion 131 of the ground terminal 13 at the window 1311, so that the cross section of each ground terminal 13 is as shown in FIG. The two portions which are spaced apart are shown; the ground terminal 13 of the leftmost sheet guiding unit 10 in the direction shown in FIG. 5 is only in contact with one finger 22, that is, four of each sheet module 1 The grounding terminals 13 are respectively in contact with the four fingers 22 on the left side of the first grounding connector 2; in the middle, the sheet guiding units 10 are only the grounding connectors of the right and the lower two grounding terminals 13 only on the right side thereof In addition to the contact of the fingers 22 of 2, 3, each of the grounding terminals 13 is in contact with the fingers 22 of the two grounding connectors 2, 3 located on the left and right sides thereof, that is, each of the grounding terminals 13 and the two fingers 22 Contact, whereby the adjacent two ground connections 2, 3 are also electrically connected via the ground terminal 13 of the sheet guiding unit 10 between the two ground connections 2, 3; at the rightmost sheet guiding unit The ground terminal 13 of the 10 is in contact with the finger 22 on the right side of the second ground connector 3. Since only three fingers 22 on the right side of the structure of the first ground connector 2 cannot correspond to the two ground terminals 13 of the sheet guiding unit 10 at the uppermost and lowermost positions in the drawing, the second grounding connector Further, two fingers 22 are additionally provided to respectively contact the two ground terminals 13 of the sheet guiding unit 10 at the uppermost and lowermost positions in the drawing. In other words, the ground terminal 13 of all the sheet guiding units 10 can utilize the grounding connections Both the connectors 2, 3 form an electrical connection. Moreover, the fingers 22 of each two adjacent first ground connectors 2 are staggered into the respective sheet modules 1 of the sheet guiding unit 10 between the two adjacent first grounding connectors 2. In the present embodiment, the finger portion 22 of the first ground connection member 2 located at the rightmost side and the finger portion 22 of the second ground connection member 3 are also staggered into each of the sheet molds of the sheet guiding unit 10 located therebetween. Group 1.

Since the single ground connection members 2, 3 can mechanically connect the two sheet guiding units 10 and can electrically connect the ground terminals 13 of the four sheet modules 1, the mechanical characteristics can reduce the overall electrical connector 100. The number of grounding connectors 2, 3 not only reduces the cost of manufacturing the grounding connectors 2, 3, but also makes the process of assembling the grounding connectors 2, 3 relatively simple. As far as the electrical characteristics are concerned, since the single ground connection members 2, 3 can electrically connect the ground terminals 13 of the four sheet modules 1. Moreover, the single ground connection members 2, 3 can not only improve the common ground path of each of the sheet guiding units 10, but also improve the common ground path between the two sheet guiding units 10, and can increase the common grounding path to reduce the impedance. It is better to reduce the cross talk effect. Furthermore, the ground terminal 13 of the sheet guiding unit 10 of the overall electrical connector 100 can form a series power connection by using the grounding connectors 2, 3, thereby reducing crosstalk and increasing the transmission rate. Of course, each of the grounding connectors 2, 3 can be electrically connected only to a part of the grounding terminals 13 of each of the sheet modules 1.

Referring again to FIGS. 1 through 3, the guide member 4 is disposed side by side with the sheet guiding units 10, and has a plurality of fastening portions 41 respectively located on both sides. The fastening portions 41 and the fastening portions 114 of the insulative housings 11 are respectively arranged in a row on both sides. The fixing plates 5 respectively have the fastening portions 41 and the fastening portions 114 mating card slot 51. The guiding members 4 and the fastening members 4 are respectively located on the two sides of the guiding member 4 and the sheet guiding unit 10 and are fastened to the fastening portions 41 and the fastening portions 114, and the guiding members 4 and the same The sheet guiding units 10 are assembled and fixed together. The shield 6 is assembled with the sheet guiding unit 10 and the guiding member 4 and has a body 61 and a guiding portion 62 connected to the seat body 61 and mating with the guiding member 4. The base body 61 has a plurality of through holes 611 arranged in an array to respectively extend the contact portions 122 and 132 to protect the contact portions 122 and 132 to prevent the contact portions 122 and 132 from being deformed by an external force. The guiding portion 62 is two hollow cylinders, and the guiding member 4 further has two matching grooves 42 respectively accommodating the hollow cylinders. By guiding the guiding portion 62 and the guiding member 4, it is easy to align the through holes 611 with the contact portions 122, 132 when the shield 6 is assembled.

Referring to FIG. 11 to FIG. 13, the second embodiment of the electrical connector of the present invention is substantially the same as the first embodiment. However, in the first embodiment, there are three first grounding connectors 2 and one second grounding connector 3, However, in the second embodiment, there are four first grounding connectors 2 and one second grounding connector 3', and the second grounding connector 3' has a configuration corresponding to the first grounding connector 2 containing n fingers. The half side of the portion 22, that is, the second ground connection member 3' in the second embodiment has only a half structure of the first ground connection member 2 and has four fingers 22 for being disposed as shown in FIG. The rightmost sheet guiding unit 10 is shown to electrically connect all the ground terminals 13 of the rightmost sheet guiding unit 10. In the second embodiment, all the ground terminals 13 of the electrical connector 100 can be electrically connected together by the second ground connection 3' to achieve better electrical characteristics, but if the second ground connection 3' is not provided, Also descend Low crosstalk and improved transmission rate.

In addition, although the terminals of the foregoing two embodiments are linear, that is, the contact portion and the tail portion are on opposite sides, the foregoing two embodiments may be changed such that the contact portion of the terminal intersects the direction in which the tail portion extends at a right angle.

In summary, the single electrical connection connector can be mechanically connected by a single ground connection member 2, 3, and the ground terminal 13 of the four thin film modules 1 can be electrically connected, thereby reducing the overall electrical connector. The number of grounding connectors 2, 3 of 100 not only reduces the cost of manufacturing the grounding connectors 2, 3, but also makes the process of assembling the grounding connectors 2, 3 relatively simple. Moreover, the single ground connection members 2, 3 can not only improve the common ground path of each of the sheet guiding units 10, but also improve the common ground path between the two sheet guiding units 10, and can increase the common grounding path to reduce the impedance. It is better to reduce the cross talk effect. Furthermore, the ground terminal 13 of the sheet guiding unit 10 of the integral electrical connector 100 can form a series of energized connections by means of the grounding connectors 2, 3, 3', reducing crosstalk and increasing the transmission rate.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

10‧‧‧Sheet guide unit

1‧‧‧Sheet module

11‧‧‧Insulation body

12‧‧‧Differential signal terminal pair

12a‧‧‧Signal terminals

12b‧‧‧Signal terminals

13‧‧‧ Grounding terminal

1311‧‧‧ window

2‧‧‧First grounding connector

21‧‧‧ base

22‧‧ ‧ fingers

3‧‧‧Second grounding connector

4‧‧‧Guide

Claims (11)

An electrical connector includes: a plurality of sheet guiding units disposed adjacent to each other, each of the sheet guiding units comprising a plurality of sheet modules, wherein the sheet modules respectively have an insulating body, a plurality of differential signal terminal pairs, and a plurality of grounding terminals, the differential signal terminal pairs are staggered with the grounding terminals on the insulative housing; and a plurality of first grounding connectors, each of the first grounding connectors having a base and a plurality of bases respectively On the opposite side of the fingers extending outwardly, and the positions of the fingers on both sides are staggered, each first ground connection is disposed between adjacent sheet guiding units and its fingers are respectively inserted into and adjacent to the same The insulating body of each of the sheet modules of the two-sheet guiding unit contacts the corresponding grounding terminal, and the fingers of each two adjacent first grounding connectors are staggered into the two adjacent first grounding connectors. Each sheet module of the sheet guiding unit. The electrical connector of claim 1, wherein the base of each of the first ground connectors is a rectangular piece, and the fingers extend outward from the two long sides of the base, respectively. The electrical connector of claim 1, wherein each of the first ground connectors has n fingers on one side and n-1 fingers on the other side. The electrical connector of claim 3, further comprising a second ground connector having the same configuration as the first ground connectors and having n-1 corresponding to the first ground connector There are two more fingers on the base side of each finger at the two ends of the long side and arranged on both sides of the n-1 fingers. Each of the thin film modules of each of the thin film guiding units has n connections. The ground terminal and each ground terminal are in contact with at least one finger. The electrical connector of claim 3, further comprising a second ground connection member, the second ground connection member having a configuration corresponding to a half side of the first ground connection member having n fingers, each of the sheet guiding units Each of the thin film modules has n ground terminals and each ground terminal is in contact with at least one finger. The electrical connector of claim 1, wherein one of the insulative bodies of the two thin film modules of each of the sheet guiding units has a plurality of studs and the other of the plurality has a plurality of respectively corresponding to the studs. The grooves are used to group the pair of sheet modules together. The electrical connector of any one of claims 1 to 6, further comprising a shield, the differential signal terminal pair and the ground terminal respectively have a contact portion extending from the corresponding insulative housing, the shield and the thin guide The connection unit is assembled and has a body having a plurality of perforations arranged in an array to respectively correspond to the contact portions. The electrical connector of claim 7, further comprising a guiding member assembled in parallel with the sheet guiding unit, the shield further having a guiding body coupled to the seat body and mating with the guiding member Leading section. The electrical connector of claim 1, wherein the differential signal terminal pair and the ground terminal respectively have a contact portion extending from the corresponding insulating body and a fixing portion embedded in the insulating body, each first ground The finger portion of the connector contacts the fixing portion of the at least one ground terminal near the contact portion. The electrical connector of claim 9, wherein each of the insulative bodies has a plate shape and has a plurality of slots for each of the fingers to pass through, each of the sheets The slotting position of the insulative housing of the two-chip module of the connecting unit corresponds to the slotting position of the other insulative housing, so that one of the fingers is simultaneously disposed on the two strip modules. The electrical connector of claim 1, wherein each differential signal terminal pair of each of the thin film modules of each of the thin film guiding units is opposite to one of the ground terminals of the other thin film module.