TWM502979U - Electrical connector and a pair of differential signal sheets thereof - Google Patents

Description

Electrical connector and its pair of differential signal chips

The present invention relates to an electrical connector, and more particularly to an electrical connector suitable for high speed transmission (eg, 12.5 Gbps) and a pair of differential signal chips.

The conventional PCI (Peripheral Component Interconnect) connector has many areas for improvement in terms of transmission rate improvement. For example, a TCA (Telecom Computing Architecture) connector in a PCI connector includes a plurality of pairs of signal chips and a plurality of grounding strips, and the pair of signal chips and the grounding strip are staggered so that each signal chip A grounding piece is arranged next to the grounding piece to shield the signal piece to reduce the possibility of signal interference.

Wherein the TCA connector comprises any two-phase coupled differential signal chip, wherein the signal terminals each have a coupling section, a fisheye segment, and an extension segment connected between the coupling segment and the fisheye segment; In the TCA connector, the height of the extension is greater than 2.5 mm, which invisibly affects the length to which the coupling segment can be coupled, which is disadvantageous for the TCA connector to further increase the transmission rate.

Therefore, the creator feels that the above-mentioned deficiency can be improved. He is devoted to research and cooperates with the application of theory, and finally proposes a creation that is reasonable in design and effective in improving the above-mentioned deficiency.

The present invention provides an electrical connector and a pair of differential signal chips thereof, which can improve the loss of the conventional electrical connector and effectively increase the transmission rate.

The present invention provides an electrical connector, an electrical connector, comprising: a housing that is elongated and defines a length direction, a width direction, and And a height direction, the housing has an insertion opening and an abutting surface on the opposite side of the insertion opening; and the pair of differential signal pieces each of the differential signal pieces comprises: a rubber core, which comprises the opposite a first end edge and a second end edge of the side; and two signal terminals each having a fixed section embedded in the rubber core and extending away from each other at opposite ends of the fixing section to protrude the rubber core a matching section of the first end edge and a positioning section protruding from the second end edge of the rubber core; wherein the fixed section of each signal terminal has a first section connected to the mating section; and a plurality of grounding shields Each of the two comprises: a sheet body; two shield segments extending from one end of the sheet body; and three ground positioning segments located on a side of the sheet body away from the two shield segments; wherein the pairs The differential signal chip and the grounding shielding sheets are mounted on the outer casing, and the pair of differential signal plates and the grounding shielding sheets are arranged in a row along the length direction, and a pair of differential between the two adjacent grounding shielding sheets is provided. Signal chip, each pair of differential signals The mating segments are completely shielded by the adjacent ground shield shield segments in the length direction; wherein, in each pair of differential signal chips, the first segment of any of the differential signal slices faces the other differential along the length direction When the signal slice is being projected, a projection area is formed on the adjacent first segment of the other differential signal chip, and the shortest distance between the projection area and the abutting surface is defined as a height corresponding to the height direction. The first height, and the first height is no more than 2 mm.

The present invention further provides a pair of differential signal chips of the electrical connector, each differential signal chip comprising: a rubber core including a first end edge and a second end edge on opposite sides; The signal terminals each have a fixing section embedded in the rubber core, and a matching section extending from the opposite ends of the fixing section to extend away from each other to protrude the first end edge of the rubber core and protrude the second end of the rubber core a positioning segment of the edge; wherein the fixed segment of each signal terminal has a first segment connected to the matching segment; wherein, when the first segment of any differential signal slice is orthographically projected toward another differential signal chip, Forming a projection area on the adjacent first segment of the other differential signal chip, and the shortest distance between the projection area and the second end edge of the rubber core of the other differential signal chip is no more than 1.8 mm.

In summary, the electrical connector provided by the present embodiment and the pair of differential signal slices are defined by limiting the value of the first height to no more than 2 mm to each pair of differential signal slices. The coupling length can be effectively increased to have a better S-parameter, thereby effectively increasing the transmission rate of the electrical connector.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and explanation, and are not intended to limit the scope of the present invention. .

100‧‧‧Electrical connector

10‧‧‧ Shell

1‧‧‧Insulated housing

11‧‧‧Installation surface

111‧‧‧Installation port

12‧‧‧ Positioning column

13‧‧‧ inserted mouth

2‧‧‧Differential signal chip

21‧‧ ‧ plastic core

211‧‧‧ first end edge

212‧‧‧second edge

213‧‧‧ Groove

214‧‧‧ Socket block

22‧‧‧ Signal Terminal

221‧‧‧ fixed section

2211‧‧‧First section

2212‧‧‧second section

2212a‧‧‧Dislocation Department

2212b‧‧‧Extension

222‧‧‧With the paragraph

2221‧‧‧Clamping port

2222‧‧‧ head

223‧‧‧ positioning section (eg fisheye structure)

2231‧‧‧ Fisheye

3‧‧‧ Grounding shield

31‧‧ ‧ body

311‧‧‧ Groove

312‧‧‧ Sockets

32‧‧‧Shield section

321‧‧‧Clamping port

322‧‧‧ head

323‧‧‧ guiding side edges

33‧‧‧Extension

34‧‧‧ Grounding positioning section (eg fisheye structure)

341‧‧‧ Fisheye

4‧‧‧Splicing pieces

41‧‧‧ Notch

42‧‧‧ comb teeth

421‧‧‧Bumps

5‧‧‧floor

51‧‧‧through holes

52‧‧‧ slots

L‧‧‧ Length direction

W‧‧‧Width direction

H‧‧‧ Height direction

θ ₁ ~θ ₄ ‧‧‧ angle

P ₁ ~P ₄ ‧‧‧ Plane

H ₁ , H ₂ , H ₃ ‧‧‧ Height

G‧‧‧Shielded Grid Area

FIG. 1 is a perspective view of the electrical connector of the present invention.

2 is a perspective view of another perspective of the electrical connector of the present invention.

FIG. 3A is a perspective exploded view of the insulating housing omitted in FIG. 1. FIG.

FIG. 3B is a partial enlarged view of FIG. 3A.

FIG. 3C is a schematic plan view showing the insulating housing omitted in FIG. 1. FIG.

FIG. 3D is a perspective, cross-sectional view (1) of the insulating housing omitted in FIG. 1. FIG.

FIG. 3E is a perspective cross-sectional view (2) of the insulating housing omitted in FIG. 1. FIG.

FIG. 3F is a perspective, cross-sectional view (3) of the insulating housing omitted in FIG. 1. FIG.

4A is a schematic plan view of a pair of differential signal chips and an adjacent grounding shield of the electrical connector of the present invention.

4B is a schematic cross-sectional view taken along line X-X of FIG. 1.

FIG. 5A is a perspective view of a pair of differential signal chips of the electrical connector of the present invention.

FIG. 5B is a partial schematic view of the two-phase coupled signal terminal of FIG. 5A.

6A is a schematic plan view of a single differential signal chip of the prior art electrical connector.

6B is a partial schematic view of the signal terminal of FIG. 6A.

Figure 7 is a perspective view of a single grounding shield of the present electrical connector.

Figure 8 is a plan view of Figure 7.

Figure 9 is a side elevational view of Figure 7.

FIG. 10 is a perspective view of another embodiment of the grounding shield of the electrical connector of the present invention.

Figure 11 is a side elevational view of Figure 10.

Please refer to FIG. 1 to FIG. 11 , which is an embodiment of the present invention. It should be noted that the related quantity and appearance mentioned in the embodiment are only used to specifically describe the creation. The implementation is to facilitate understanding of its content, and is not intended to limit the scope of the present invention. The present embodiment provides an electrical connector 100 that is suitable for high-speed transmission (eg, a transmission rate of preferably 12.5 Gbps), and the type of the electrical connector 100 is suitable for plug-in boards in this embodiment. The TCA connector is taken as an example, but the type of the electrical connector 100 of the present invention is not limited thereto.

Referring to FIG. 1 to FIG. 3A , the electrical connector 100 includes a long insulated housing 1 , a plurality of pairs of differential signal chips 2 , a plurality of grounding shields 3 , three serial connectors 4 , and an insulating layer . The bottom plate 5 of the housing 1. The combination of the insulating housing 1 and the bottom plate 5 is defined as a housing 10 in the present embodiment, and the housing 10 defines a longitudinal direction L, a width direction W, and a height direction H which are perpendicular to each other. The opposite ends of the differential signal chip 2 and the grounding shield 3 (eg, the top and the bottom) are respectively inserted into the insulating housing 1 and the bottom plate 5 and arranged in a row along the length direction L, and any two adjacent grounds A pair of differential signal chips 2 are disposed between the shielding sheets 3. The signal transmission portion of each pair of differential signal chips 2 in the insulative housing 1 (ie, the fixed section 221 and the mating section 222 as described below) is completely shielded by the adjacent ground shield 3 in the longitudinal direction L. It should be explained that the "complete" masking of this embodiment means that when viewed in a specific direction, the object to be shielded cannot be seen.

It should be noted that the insulating housing 1 has a mounting surface 11 (corresponding to the bottom surface of the insulating housing 1 in FIG. 2), two positioning posts 12, and an insertion opening 13 on the opposite side of the mounting surface 11. The positioning post 12 is integrally formed by the two ends of the mounting surface 11 in the longitudinal direction L. And the mounting surface 11 defines a mounting opening 111 between the two positioning posts 12 for the differential signal piece 2, the grounding shielding piece 3, the serial connecting piece 4, and the bottom plate 5 to be installed in the insulating housing 1 . . The insertion port 13 is formed at one end of the insulating housing 1 away from the bottom plate 5 (as shown in the top of the insulating housing 1 shown in FIG. 1) for insertion of a card or a corresponding connector (not shown). Furthermore, the outer casing 10 has an abutting surface (such as the mounting surface 11 or the bottom surface of the bottom plate 5) on the opposite side of the insertion opening 13. When the electrical connector 100 is mounted on a circuit board (not shown), the positioning post 12 of the insulative housing 1 is inserted into the circuit board, and the abutting surface of the outer casing 10 is substantially abutted against the board of the circuit board. On the surface. The abutting surface of the outer casing 10 is exemplified by the bottom surface of the bottom plate 5 in the embodiment, but the abutting surface is defined as the surface of the outer casing 10 away from the insertion opening 13 (ie, corresponding to the surface of the circuit board). The surface of the outer casing 10, in other words, in another embodiment not shown, if the surface of the outer casing 10 remote from the insertion opening 13 is the mounting surface 11 of the insulating casing 1 (corresponding to the mounting surface 11 of the insulating casing 1 The abutting surface of the outer casing 10 is the mounting surface 11 of the insulating casing 1 described above.

Referring to FIG. 4A to FIG. 6B , the configuration of the pair of differential signal chips 2 is substantially the same. Therefore, only one pair of differential signal chips 2 and their adjacent ground shielding plates 3 are illustrated in FIG. 4A , FIGS. 5A and 5B . Only one of the differential signal chips 2 is illustrated therein, and only one of the differential signal chips 2 is illustrated in Figs. 6A and 6B to explain the configuration thereof.

As shown in FIG. 6A and FIG. 6B, each differential signal chip 2 includes a sheet-shaped rubber core 21 and two elongated signal terminals 22. The rubber core 21 includes a first end edge 211 and a second end edge 212 on the opposite side (such as the top edge and the bottom edge of the rubber core 21 in FIG. 6A), and each signal terminal 22 has a glue embedded in the glue. A fixed section 221 of the core 21 and opposite ends of the self-fixing section 221 (such as the top end and the bottom end of the fixing section 221 in FIG. 6A) respectively extend in a direction substantially away from each other to protrude the first end edge 211 of the rubber core 21 The engaging section 222 and a positioning section 223 of the second end edge 212 of the protruding core 21 are formed.

Each of the rubber cores 21 is recessed from a first end edge 211 between the two fixing sections 221, and a recess 213 is formed in each of the rubber cores 21 corresponding to the second end edge 212. Block 214, and the two positioning segments 223 respectively protrude the two Plug block 214. Furthermore, the fixed section 221 and the mating section 222 of the rubber core 21 and the signal terminal 22 of each differential signal chip 2 are substantially accommodated in the space surrounded by the insulating housing 1 and the bottom board 5, and the positioning section of each differential signal sheet 2 223 is exposed outside the space surrounded by the insulating housing 1 and the bottom plate 5 (see Fig. 2). It should be noted that the outer surface of the fixed section 221 and the mating section 222 of the signal terminal 22 can be roughly divided into two wide surfaces perpendicular to the longitudinal direction L and a narrow surface surrounding the outer edges of the two wide surfaces.

In more detail, in each of the signal terminals 22, the fixed section 221 has a continuous strip-shaped first section 2211 and a curved second section 2212, and is away from the second section 2212. One end of a section 2211 (such as the top end of the first section 2211 in FIG. 6A) is coupled to the mating section 222 and away from the end of the second section 2212 of the first section 2211 (eg, the bottom of the second section 2212 in FIG. 6A) The end is then connected to the positioning segment 223.

As shown in FIG. 4A to FIG. 5A, in each pair of differential signal chips 2, when the first segment 2211 of any of the differential signal chips 2 is projected in the longitudinal direction L toward the other differential signal chip 2, another differential signal is transmitted. A projection area (not shown) is formed on the adjacent first section 2211 of the sheet 2, and the shortest distance between the projection area and the outer surface of the outer casing 10 (ie, the board surface corresponding to the electrical connector 100) is Its height corresponding to the height direction H is defined as a first height H ₁ , and the first height H ₁ is not more than 2 mm in this embodiment.

It should be noted that since the abutting surface of the second end edge 212 of the rubber core 21 and the outer casing 10 exists in the present embodiment with a slight gap (about 0.2 mm), if it is changed to each pair of differentials, From the perspective of the signal sheet 2, the shortest distance between the projection area and the second end edge 212 of the rubber core 21 of the differential signal patch 2 is not more than 1.8 mm in this embodiment, but is not limited by this definition. The first height H ₁ .

In addition, as a result of many experiments, when the first height H _{1 is} not more than 1.04 mm, the transmission rate of the electrical connector 100 has a more prominent effect. In this embodiment, the shortest distance between the projection area and the second end edge 212 of the rubber core 21 of the differential signal sheet 2 is not more than 0.84 mm.

Furthermore, in the length direction L, the first segment 2211 of any of the differential signal slices 2 of each pair of differential signal slices 2 and the adjacent first segment 2211 of the other differential signal patch 2, both The contours are aligned with each other and form a wide-edge coupling arrangement. The wide-side coupling is generally described as follows: the first segment 2211 of any one of the differential signal chips 2 and the adjacent first segment 2211 of the other differential signal chip 2 are adjacent to each other. The wide surfaces face each other and are substantially parallel to each other, whereby a wide-side coupling can be formed in the longitudinal direction L when the signal is transmitted. Therefore, through the above design (eg, the value of the first height H ₁ is limited), the coupling length between each pair of differential signal chips 2 can be effectively improved, thereby having a better coupling effect and effectively reducing The noise forms interference between each pair of differential signal slices 2.

The second segments 2212 of each pair of differential signal chips 2 are respectively formed by bending and extending from the first segments 2211 to which they are connected, and the positioning segments 223 of each pair of differential signal chips 2 are arranged in a row in the width direction W. In the width direction W, the second segment 2212 of any one of the differential signal chips 2 of each pair of differential signal chips 2 and the adjacent second segment 2212 of the other differential signal chip 2 form a narrow-edge coupling arrangement. Settings.

For each of the signal terminals 22, as shown in FIG. 6A and FIG. 6B, the second section 2212 includes a dislocation portion 2212a and an extension portion 2212b, and the dislocation portion 2212a is connected to the first section 2211, and The misalignment portion 2212a and its associated first segment 2211 are all located on a plane P ₁ perpendicular to the length direction L. The positioning section 223 is located on another plane P ₂ perpendicular to the longitudinal direction L, and the extending portion 2212b connects the dislocation portion 2212a and the positioning segment 223. Further, the extending portion 2212b is buried substantially in the plug block 214 of the rubber core 2.

Furthermore, in each of the signal terminals 22, the angle θ ₁ formed between the extending portion 2212b and the dislocation portion 2212a is an inner angle with respect to the angle θ ₂ formed between the extending portion 2212b and the positioning portion 223. Configuration. The above-mentioned included angles θ ₁ and θ ₂ are each approximately 135 degrees in the present embodiment, but are not limited thereto. And the height of each extension 2212b corresponding to the height direction H is defined as a second height H ₂ (as shown in FIG. 4B), and the second height H _{2 is} smaller than the first height H ₁ .

When viewed from each pair of differential signal chips 2, as shown in FIGS. 5A and 5B, in any two signal terminals 22 coupled to each other, the two misaligned portions 2212a are respectively widened from the first segment 2211 to which they are connected. The direction W is formed to extend away from the side away from each other. Thereby, the two signal terminals 22 coupled to each other will be designed via the misalignment portion 2212a such that the positions of the extension portions 2212b and the positioning segments 223 in the width direction W of the two dislocation portions 2212a are sequentially shifted from each other.

Furthermore, in any two signal terminals 22 that are coupled to each other, the plane P ₁ where the first segment 2211 and the misalignment portion 2212a of each signal terminal 22 are located is located on the plane P ₂ where the two positioning segments 223 are respectively located. The outer side (refer to FIG. 6B); and the two signal terminals 22 coupled to each other will be designed via the extending portion 2212b, so that the two positioning segments 223 connected to the two extending portions 2212b can be adjacent to each other in the width direction W. They are roughly arranged in the same column.

As shown in FIG. 6A, in each of the differential signal sheets 2, the inner edges of the two mating segments 222 adjacent to each other define a clamping port 2221 at a shortest distance, and one end of the two mating segments 222 away from the rubber core 21. The portion (the top end portion of the fitting portion 222 in FIG. 6A) is formed with the above-described gripping ports 2221 and each is defined as a head portion 2222. Furthermore, in the length direction L (as shown in FIG. 4A), the mating segments 222 of any of the differential signal chips 2 of each pair of differential signal chips 2 and the adjacent mating segments 222 of the other differential signal patch 2 are contoured to each other. Cut and form a wide-edge coupling arrangement.

The positioning segment 223 is exemplified in the present embodiment as a fish-eye configuration, and the position of each positioning segment 223 is adapted to penetrate the fisheye hole 2231 of the fisheye structure for the longitudinal direction L, that is, the The central axis of the fisheye hole 2231 of the positioning section 223 is parallel to the longitudinal direction L. However, the positioning segment 223 of the present creation is not limited to the fisheye configuration. For example, the positioning segment 223 can also form a configuration suitable for surface mount technology (SMT).

Referring to FIG. 7 to FIG. 9, the configurations of the grounding shield sheets 3 are substantially the same, and thus only one of the grounding shield sheets 3 is illustrated in FIGS. 7 to 9 as a configuration for the following description.

Each of the grounding shields 3 includes a sheet body 31, two long strip-shaped shield segments 32 extending from one end of the sheet body 31 (such as the top end of the sheet body 31 in FIG. 7), and the other end of the sheet body 31 (as shown in the figure). The bottom end of the sheet body 31 in 7) has three elongated extensions 33 extending in sequence and three grounding positioning segments 34. That is, the extending portion 33 and the grounding positioning portion 34 are located on a side of the sheet body 31 away from the two shielding segments 32 (such as the lower side of the sheet body 31 in FIG. 7), and one ends of the three extending portions 33 are respectively connected away from each other. One end of the sheet body 31 of the two shielding sections 32 (such as the bottom end of the sheet body 31 in FIG. 7), and the other ends of the three extending sections 33 are respectively connected to the three grounding positioning sections 34.

The sheet body 31 and the shield segment 32 of each of the grounding shields 3 are substantially received in the space surrounded by the insulating housing 1 and the bottom plate 5. The grounding positioning portion 34 of each of the grounding shields 3 is exposed to the insulating housing 1 and Outside the space enclosed by the bottom plate 5 (see Figure 2). It should be noted that the outer surface of the sheet body 31 and the shield segment 32 of the grounding shield 3 may be roughly divided into two wide surfaces perpendicular to the longitudinal direction L and a narrow surface surrounding the outer edges of the two wide surfaces.

Referring to FIG. 7 , in each of the grounding shields 3 , one end edge of the sheet body 31 away from the grounding positioning segments 34 (such as the top edge of the sheet body 31 in FIG. 7 ) is between the two shielding segments 32 . A recess 311 is defined in the recessed portion, and the distance between the bottom of the recess 311 and the bottom plate 5 is greater than the distance between the bottom of the recess 21 of the rubber core 21 of any of the signal terminals 2 and the bottom plate 5; and away from the two shield segments 32. One end portion of the sheet body 31 (such as the bottom of the sheet body 31 in FIG. 7) is provided with a plug portion 312 between any two adjacent ground positioning segments 34.

In more detail, as shown in FIG. 3A and FIG. 4A, the fixed sections 221 of each pair of differential signal sheets 2 are received by the sheet body 31 of the adjacent ground shield 3 in the longitudinal direction L. Completely obscured. In each of the grounding shields 3, the sheet body 31 has a structure without a hole, so that the fixing section 221 of the adjacent differential signal sheet 2 is completely shielded in the longitudinal direction L.

The mating segments 222 of each pair of differential signal patches 2 are completely shielded by the shield segments 32 of their adjacent ground shields 3 in the length direction L. In each of the grounding shields 3 (FIG. 8), the inner edges of the two shield segments 32 adjacent to each other define a clamping opening 321 at a shortest distance, and one end of the two shielding segments 32 away from the sheet body 31. The portion (the top end portion of the shield segment 32 in FIG. 8) is formed with a grip opening 321 and each is defined as a head portion 322.

Wherein, in the plane of the vertical length direction L (as shown in FIG. 4A), the area of the head portion 322 of the shield segment 32 of each grounding shield 3 is larger than the position of any adjacent signal terminal 22 (ie, the mating segment 222 of the signal terminal 22). The area of the head 2222). In this embodiment, the area of the head 322 of each shield segment 32 is substantially twice the area of any adjacent signal terminal 22 (ie, the head portion 2222 of the mating segment 222) corresponding to the plane of the vertical length direction L. The area, but the ratio of the area of the shield section 32 head 322 to the mating section 222 head 2222 is not limited thereto. Furthermore, in the plane of the vertical length direction L, the portion of the portion other than the head 322 of each of the shield segments 32 has an area substantially equal to that of any adjacent signal terminal 22 (ie, the head of the signal terminal 22 mating segment 222). The area outside the 2222).

Therefore, the relative shape and area of the shield section 32 of the grounding shield 3 and the mating section 222 of the adjacent differential signal patch 2 are designed, in particular, the area of the head portion 322 of the shield section 32 is larger than the head of the adjacent mating section 222. The area of the portion 2222 is such that the shielding effect of the grounding shield 3 corresponding to the differential signal chip 2 can be effectively improved, and the differential impedance fluctuation of the differential signal chip 2 can be relieved, thereby having better S parameters (eg, insertion loss, reflection). Loss, crosstalk).

Further, as shown in FIG. 8, in each of the grounding shields 3, the inner edges of the two head portions 322 adjacent to each other include a guiding side edge 323, and one end of the leading side edge 323 of the two head portions 322 (as shown at the bottom of the guiding side edge 323 in Figure 8) The clamping port 321 is provided, and the other end of the guiding side edge 323 of the two head portions 322 (such as the leading end of the guiding side edge 323 in FIG. 8) is the end edge of the two shielding segments 32, respectively. In the length direction L, the leading edge 323 of each grounding shield 3 and the edge of the adjacent signal terminal 22 are aligned with each other (as shown in FIG. 4A), thereby facilitating the guiding side of the card through the grounding shield 3. The edge 323 is guided by the edge of the adjacent signal terminal 22, and is further sandwiched between the clamping opening 321 of the grounding shield 3 and the clamping opening 2221 of the differential signal sheet 2.

As shown in FIG. 9, the opposite ends of each of the extending sections 33 are angularly connected to the sheet body 31 and the corresponding grounding positioning section 34, respectively, and the extending section 33 and its connected sheet body 31 are formed. The angle θ ₃ and the angle θ ₄ formed between the extension 33 and the grounding positioning segment 34 connected thereto, and the two angles θ ₃ and θ ₄ are arranged at an internal error angle (θ ₃ = θ ₄ ), thereby Each of the grounding positioning segments 34 is spaced apart from the sheet body 31 by a plane perpendicular to the longitudinal direction L and is parallel to each other.

In this embodiment, as shown in FIG. 9, the lengths of the extensions 33 are substantially the same and parallel to the length direction L (that is, the angles θ ₃ and θ _{4 are} each at a right angle of 90 degrees). The extensions 33 are located on the same side of the sheet body 31 (such as the lower left side of the sheet body 31 in FIG. 9), so that the grounding segments 34 of any of the grounding shields 3 are substantially at the same plane P. ₃ , but this creation is not limited to the above structure.

For example, all of the grounding segments 34 of any of the grounding shields 3 need not be located on the same plane, but must conform to each of the grounding segments 34 in a plane perpendicular to the length direction L to be spaced from the sheet body 31. And parallel to each other. As shown in FIG. 10 and FIG. 11, any two adjacent ground positioning segments 34 of the grounding shield 3 are located on two planes P ₃ , P ₄ which are different and parallel to each other, and any two of the ground shielding sheets 3 are far away. the positioning section 34 is located on the ground ₃ same plane P.

Thereby, the grounding shielding sheet 3 is transmitted through the bending design of the extending portion 33, so that each of the grounding positioning segments 34 can be positioned in a plane perpendicular to the longitudinal direction L and the sheet body 31. The spacing is parallel to each other, so as to effectively prevent the chip body 31 from being broken, so that the shielding effect of the grounding shield 3 corresponding to the differential signal chip 2 can be effectively improved, and the differential impedance fluctuation of the differential signal chip 2 can be relieved, thereby Good S parameters (eg insertion loss, reflection loss, crosstalk).

In addition, the grounding positioning segment 34 is exemplified in the present embodiment as a fisheye configuration identical to the positioning segment 223, and the position of each of the grounding positioning segments 34 is also suitable for the longitudinal direction L to penetrate the fisheye structure. The fisheye hole 341, that is, the central axis of the fisheye hole 341 of the grounding positioning section 34 is parallel to the longitudinal direction L. However, the grounding positioning section 34 of the present creation is not limited to the fisheye configuration. For example, the grounding location segment 34 can also form a configuration suitable for surface mount technology (SMT).

Referring to FIG. 3A and FIG. 4A, three of the grounding positioning segments 34 of the two adjacent grounding shields 3 and the positioning segments 223 of the pair of differential signal patches 2 between the two adjacent grounding shields 3 are shown. They are arranged in a row substantially in the width direction W. And two mutually adjacent signal terminals 22 positioning segments 223 are disposed between any two adjacent ground positioning segments 34 in the width direction W.

Further, when the electrical connector 100 uses the grounding shield 3 shown in FIG. 7, the three grounding segments 34 of any of the grounding shields 3 and the positioning segments 223 of the adjacent one of the differential signal patches 2 are along The width direction W is arranged in a row (Fig. 3A). When the electrical connector 100 adopts the grounding shield 3 shown in FIG. 10, the grounding positioning segments 34 of the grounding shields 3 of the two adjacent grounding shields 3 on the outer sides and the other grounding shield 3 The central grounding positioning portion 34 is arranged in a row (not shown) substantially in the width direction W with the positioning segments 223 of the pair of differential signal plates 2 located between the two adjacent grounding shield sheets 3.

Referring to FIG. 3A and FIG. 3B, the three serial connectors 4 are respectively disposed in the insulative housing 1, and two of the three serial connectors 4 are connected to each other (as shown in FIG. 3A on the left and right sides). The serial connectors 4) are respectively located at the two signal terminals 22 of each differential signal chip 2 The opposite of the two outer sides, and the other of the three series of connectors 4 (such as the serial connector 4 located at the center in FIG. 3A) is located between the two signal terminals 22 of each differential signal chip 2 And connecting the grounding shields 3 to the grounding shields 3 through the connecting members 4, so that the grounding shields 3 can be electrically connected via any of the series of connectors 4. Thereby, the electrical connector 100 can have a better effect in reducing crosstalk, and can effectively solve the related resonance problem.

In more detail, the series member 4 is of substantially the same configuration in this embodiment, and a structural description will be made below for one of the series members 4. The stringing member 4 has a long sheet shape and its major axis direction is substantially parallel to the longitudinal direction L. One of the long edges of the stringing member 4 is recessed with a plurality of spaced apart recesses 41, and two adjacent ones. The distance of the recess 41 is approximately the distance between two adjacent bodies 31. Viewed from another perspective, the series member 4 is generally comb-shaped and has a plurality of comb-tooth portions 42, and any two adjacent comb-tooth portions 42 define one of the aforementioned recesses 41. The two adjacent comb-tooth portions 42 are formed with two protrusions 421 facing each other corresponding to the notches 41, and the distance between any two of the bumps 421 facing each other is slightly smaller than the thickness of the sheet body 31 of the grounding shield sheet 3.

Furthermore, the series members 4 are respectively fastened to the sheet bodies 31 of the grounding shielding sheets 3 by their notches 41, so that the series members 4 and the one-piece body 31 are substantially perpendicular to each other, and correspond to each concave. The two projections 421 of the port 41 abut against the wide surface of the sheet body 31 located in the recess 41. From another point of view, the portions of the grounding shield sheets 3 connected to the series members 4 are arranged substantially in a row along the longitudinal direction L.

It should be noted that, in the three serially connected members 4, the centrally connected series members 4 are respectively fastened by the notches 41 to the sheet bodies of the grounding shield sheets 3 adjacent to the groove bottoms of the respective grooves 311. 31, and the comb portion 42 is received in the recess 21 of the rubber core 21 of each pair of differential signal sheets 2 (as shown in FIG. 3E); and the centrally connected serial member 4 does not protrude from the ground. The groove 311 of the shielding piece 3 is notched.

Further, referring to FIG. 3F, the three serial connectors 4 and the sheet body 31 of the ground shielding sheets 3 collectively surround define a shielding mesh structure, and the shielding mesh structure comprises two rows. A number of masked grid areas G of the column. Among them, The specific definition of the shield mesh region G is as follows: the region covered by the two adjacent serial members 4 in the width direction W and simultaneously covered by the sheet body 31 of the two adjacent ground shield sheets 3 in the longitudinal direction L is Defined as a shielded grid area G. In other words, any one of the shield mesh regions G is formed by the two adjacent serial members 4 and the sheet bodies 31 of two adjacent ground shielding sheets 3 in the present embodiment.

Furthermore, each of the shielded grid regions G houses a partial block of the signal terminal 22 of one of the differential signal slices 2 and a partial block of the adjacent signal terminal 22 of the other differential signal patch 2 (ie, a portion of the two signal terminals 22 that are coupled). In this embodiment, the partial block of the signal terminal 22 accommodated in the shielded grid area G is a partial first section 2211 and its adjacent partial mating section 222. In another perspective, a portion of the signal terminals 22 accommodated in the shielded grid region G corresponds to a height in the height direction H, which is the height of each of the shielded mesh regions G corresponding to the height direction H. This is a third height H ₃ as shown in FIG. 3C in this embodiment.

It should be noted that the splicing member 4 is exemplified by the metal piece being fastened to the grounding shielding piece 3 in this embodiment, but is not limited thereto. For example, the material of the serial connection member 4 may also be a conductive circuit provided on the insulating plate, and the grounding shielding sheets 3 are connected by conductive wires; or the connection between the serial connection member 4 and the grounding shielding plate 3 The method can also be implemented by welding, crimping, or other various equivalents.

Referring to FIG. 3A to FIG. 3E, the bottom plate 5 is mounted on the insulative housing 1 such that the differential signal plate 2 and the grounding shield 3 are mounted between the insulative housing 1 and the bottom plate 5, and the differential signal is The positioning section 223 of the sheet 2 and the grounding positioning section 34 of the grounding shield 3 pass through the bottom plate 5.

Wherein, the thickness of the bottom plate 5 is smaller than the first height H ₁ , and the bottom plate 5 is formed with a plurality of through holes 51 and a plurality of slots 52 (as shown in FIG. 3B ). The two plug-in blocks 214 of each of the differential signal chips 2 are respectively engaged with the two plug-in blocks 214 of the differential signal chip 2 coupled thereto, so that the two-phase-joined plug-in blocks 214 are inserted into one of the through-holes 51 (eg 3D), the extension portion 2212b is received in the through hole 51 of the bottom plate 5; and the two insertion portions 312 of each of the ground shielding sheets 3 are inserted into the two slots 52 of the bottom plate 5 (as shown in the figure). 3D).

[Possible effects of this creative embodiment]

In summary, the electrical connector provided by the embodiment of the present invention can effectively increase the coupling length between each pair of differential signal slices by limiting the value of the first height to no more than 2 mm. And thus having better S parameters, according to which the transmission rate of the electrical connector is effectively increased.

Furthermore, the present embodiment may further extend the first segment of any one of the differential signal slices and the adjacent first segment of the other differential signal chip in the length direction. The switching is performed to form a wide-side coupling arrangement, so that the coupling length between each pair of differential signal chips is not only effectively improved, but also has better coupling effect and reduces noise interference between each pair of differential signal chips. To effectively increase the transmission rate of the electrical connector.

In addition, in each pair of differential signal chips, the two signal terminals coupled to each other will be designed through the misalignment portion, so that the positions of the extension portions and the positioning segments in the width direction of the two dislocation portions can be shifted from each other. Moreover, the two signal terminals coupled to each other will be designed such that the two positioning segments to which the two extension portions are connected can be arranged close to each other and arranged substantially in the same row.

Moreover, all the grounding shields in the electrical connector can be electrically connected via any series of connectors, so that the electrical connector can have better effects in reducing crosstalk and can effectively solve the related resonance. The problem is to effectively increase the transmission rate of the electrical connector.

The above is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the patents of the present invention. Any changes and modifications made to the scope of the patent application of the present invention should be covered by the present invention.

2‧‧‧Differential signal chip

21‧‧ ‧ plastic core

211‧‧‧ first end edge

212‧‧‧second edge

213‧‧‧ Groove

214‧‧‧ Socket block

22‧‧‧ Signal Terminal

221‧‧‧ fixed section

2211‧‧‧First section

2212‧‧‧second section

2212a‧‧‧Dislocation Department

2212b‧‧‧Extension

222‧‧‧With the paragraph

2221‧‧‧Clamping port

2222‧‧‧ head

223‧‧‧ positioning section (eg fisheye structure)

2231‧‧‧ Fisheye

W‧‧‧Width direction

H‧‧‧ Height direction

Claims (10)

An electrical connector includes: a housing that is elongated and defines a length direction, a width direction, and a height direction that are perpendicular to each other, the housing having an insertion opening and a side opposite to the insertion opening The abutting surface; the plurality of differential signal chips each of the differential signal chips includes: a rubber core including a first end edge and a second end edge on opposite sides; and two signal terminals each having a buried end a fixing section of the rubber core and a positioning section extending from the opposite ends of the fixing section to protrude away from each other to protrude the first end edge of the rubber core and a positioning section protruding from the second end edge of the rubber core; The fixed section of each signal terminal has a first section connected to the mating section; and a plurality of grounding shields each including: a sheet body; and two shielding segments extending from one end of the body Forming; and three grounding positioning segments on a side of the body away from the two shielding segments; wherein the pair of differential signal plates and the grounding shielding plates are mounted on the outer casing, and the pair of differential signals are The grounding shields along the The plurality of adjacent grounding shields are arranged in a row, and a pair of differential signal segments are disposed between the two adjacent grounding shields. The mating segments of each pair of differential signal segments are completely shielded by the adjacent grounded shield shield segments in the length direction. Wherein, in each pair of differential signal slices, when the first segment of any of the differential signal slices is orthographically projected toward the other differential signal chip along the length direction, on the adjacent first segment of the other differential signal chip Forming a projection area, and the shortest distance of the projection area from the abutting surface, the height corresponding to the height direction is defined as a first height, and the first height is not more than 2 mm. The electrical connector of claim 1, wherein in each of the signal terminals, the fixed segment has a second segment connected to the first segment and the positioning segment, the second segment including a misalignment And an extension portion, the misalignment portion is connected to the first segment, and the first segment and the dislocation portion are all located on a plane perpendicular to the length direction, and the positioning segment is located perpendicular to the In another plane in the longitudinal direction, the extension connects the dislocation portion and the positioning segment. The electrical connector of claim 2, wherein, in each of the signal terminals of each of the pair of differential signal chips that are coupled to each other, the two dislocations are respectively in the width direction from the first segment to which they are connected The side that is away from each other extends to form. The electrical connector of claim 2, wherein, in each of the signal terminals of each of the pair of differential signal chips, the first segment and the misalignment portion of each of the signal terminals are located at the two The outside of the plane where the positioning segments are located. The electrical connector of claim 2, wherein in each of the signal terminals, an angle formed between the extending portion and the dislocated portion is an angle formed between the extending portion and the positioning portion The configuration of the inner corner. The electrical connector of claim 2, wherein the height of each of the extensions corresponding to the height direction is defined as a second height, and the second height is less than the first height. The electrical connector of any one of claims 2 to 6, wherein the outer casing has an insulative housing and a bottom plate mounted on the insulative housing, the insertion opening being formed away from the bottom plate One end of the insulating case, the pair of differential signal plates and the grounding shielding sheets are mounted between the insulating housing and the bottom plate, and the positioning segments of the pair of differential signal plates and the grounding positioning segments of the grounding shielding sheets are worn. The bottom plate is disposed; wherein the extending portions are received in the bottom plate, and the bottom plate has a thickness smaller than the first height. The electrical connector of any one of claims 1 to 6, wherein the three grounding segments of any two adjacent grounding shields and the pair of differentials between the two adjacent grounding shields The positioning segments of the signal chip are arranged substantially along the width direction Columns, and two positioning segments that are coupled to each other are disposed between any two adjacent ground positioning segments in the width direction. The electrical connector of any one of claims 1 to 6, wherein in the length direction, the first segment of each of the differential signal chips of each pair of differential signal slices and the other differential signal chip Adjacent first segments, the contours are substantially aligned with each other and form an arrangement of wide-side couplings; the first height is further defined to be no greater than 1.04 mm. A pair of differential signal chips of an electrical connector, each differential signal chip comprising: a rubber core comprising a first end edge and a second end edge on opposite sides; and two signal terminals each having an embedding a fixing section of the rubber core and a positioning section extending from the opposite ends of the fixing section to protrude away from each other to protrude the first end edge of the rubber core and a positioning section protruding from the second end edge of the rubber core; The fixed segment of each signal terminal has a first segment connected to the matching segment; wherein, when the first segment of any differential signal slice is orthographically projected toward another differential signal chip, the another differential signal is A projection area is formed on the adjacent first segment of the sheet, and the shortest distance between the projection area and the second end edge of the rubber core of the other differential signal sheet is no more than 1.8 mm.