TWI703778B - High speed connector assembly and electrical connector thereof - Google Patents

Abstract

The present invention provides a high speed connector assembly and an electrical connector thereof. The electrical connector includes an insulating housing and a plurality of signal terminals inserted into and fixed in the insulating housing. The insulating housing is an elongated structure defining a longitudinal direction, and defines an insertion direction perpendicular to the longitudinal direction. The signal terminals are arranged in two rows along the longitudinal direction, and the signal terminals in one of the two rows respectively face toward the signal terminals in the other one of the two rows. Each of the signal terminals includes a signal fixing segment engaged with an inner wall of the insulating housing, a signal contacting segment, and a signal soldering segment, the latter two of which respectively extend from two opposite ends of the signal fixing segment. The signal contacting segment has a main transmission point and a secondary transmission point both are arranged along the insertion direction and are spaced apart from each other. The main transmission point is more close to the signal fixing segment than the secondary transmission point.

Description

High-speed connector combination and its electrical connector

The invention relates to a high-speed connector, in particular to a high-speed connector assembly and its electrical connector.

Each signal terminal included in the existing high-speed connector has a specific structural design, so that high-speed signals can be transmitted. However, when the existing high-speed connectors transmit high-speed signals, their transmission performance has been limited by the existing structure, so it is difficult to further improve.

Therefore, the inventor believes that the above-mentioned shortcomings can be improved, and with great concentration of research and the application of scientific principles, we finally propose an invention with reasonable design and effective improvement of the above-mentioned shortcomings.

The embodiment of the present invention is to provide a high-speed connector assembly and an electrical connector thereof, which can effectively improve the possible defects of the existing high-speed connector.

The embodiment of the present invention discloses a high-speed connector assembly, including: an electrical connector, comprising: an insulating shell, which is elongated and defines a length direction, and the insulating shell defines a length perpendicular to the length direction. Insertion direction; and a plurality of signal terminals, inserted and fixed to the insulating housing, and the plurality of signal terminals are arranged in two rows along the length direction, and the plurality of signal terminals in any row face each other A plurality of the signal terminals in a row; wherein each signal terminal includes: a signal fixing section embedded in the inner wall of the insulating housing; and a signal contact section and a signal welding section, respectively from the signal The fixed section is formed by extending opposite ends of the fixed section, and the signal contact section is formed with a main transmission point and a primary transmission point separated by a first distance in the plugging direction, and the main transmission point is compared to the The secondary transmission point is closer to the signal fixing section; and a mating connector that is detachably plugged into the electrical connector along the insertion direction, and the mating connector includes a mating housing and a fixing A plurality of signal mating terminals in the mating housing; wherein, when the electrical connector and the mating connector are inserted into each other, the signal contact sections of the plurality of signal terminals abut against a plurality of The signal mating terminal, and the primary transmission point and the secondary transmission point of each of the signal contact segments are in contact with the corresponding signal mating terminal at the same time, and each primary transmission point is in contact with the corresponding A second distance between a free end of the signal mating terminal is less than the first distance and less than 10% of a total length of the corresponding signal mating terminal.

The embodiment of the present invention also discloses an electrical connector of a high-speed connector assembly, comprising: an insulating housing, which is elongated and defines a length direction, and the insulating housing defines a plug connector perpendicular to the length direction. Direction; and a plurality of signal terminals, inserted and fixed to the insulating housing, and a plurality of the signal terminals are arranged in two rows along the length direction, and a plurality of the signal terminals in any row face the other row A plurality of the signal terminals; wherein, each signal terminal includes: a signal fixing section embedded in the inner wall of the insulating housing; and a signal contact section and a signal welding section, respectively from the signal fixing section Is formed by extending opposite ends of the signal contact section, and the signal contact section is formed with a primary transmission point and a primary transmission point spaced apart in the insertion direction, and the primary transmission point is more than the secondary transmission point. Adjacent to the fixed signal segment.

In summary, the high-speed connector assembly and its electrical connector disclosed in the embodiments of the present invention can simultaneously contact the corresponding signal mating terminal with the primary transmission point and the secondary transmission point of each signal terminal. The high-frequency signal transmission performance of the high-speed connector assembly is improved by different from the previous signal transmission structure. Furthermore, in the high-speed connector assembly and its electrical connector disclosed in the embodiment of the present invention, a primary transmission point and a secondary transmission point are formed at each signal terminal, so that the free end of each signal mating terminal and the corresponding primary transmission The distance between the points can be reduced, thereby effectively reducing the influence of the stubborn effect on signal transmission.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention, but these descriptions and drawings are only used to illustrate the present invention, and do not make any claims about the protection scope of the present invention. limit.

Please refer to FIGS. 1 to 12, which are embodiments of the present invention. It should be noted that the relevant quantities and appearances mentioned in the accompanying drawings in this embodiment are only used to specifically illustrate the embodiments of the present invention. In order to understand the content of the present invention, it is not used to limit the protection scope of the present invention.

As shown in FIG. 1 and FIG. 2, this embodiment discloses a high-speed connector assembly 1000, which includes an electrical connector 100 and a mating connector detachably plugged into the electrical connector 100 along an insertion direction S Connector M. Wherein, the high-speed connector assembly 1000 can be used in this embodiment to transmit signals with a frequency below 12 GHz at a transmission rate of 25GBps, and the high-speed connector assembly 1000 can generate insertion loss during the transmission process. ) Can be controlled within -0.5dB, while near-end cross-talk can be controlled within -25dB, but the present invention is not limited to this.

It should be noted that the electrical connector 100 is a vertical connector in this embodiment, and is matched with the mating connector M for description, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the electrical connector 100 can also be used alone or in combination with other components.

As shown in FIGS. 3 to 5, the electrical connector 100 in this embodiment includes an insulating housing 1, a plurality of signal terminals 2, and a plurality of grounding members 3 arranged alternately with the plurality of signal terminals 2. A plurality of power terminals 4 located on one side of the plurality of signal terminals 2 and the plurality of grounding members 3, an inner shielding member 5 abutting against the plurality of grounding members 3, and two abutting against the plurality of grounding members 3 One outer shield 6. Wherein, the plurality of signal terminals 2, the plurality of grounding members 3, the plurality of power terminals 4, and the inner shielding member 5 are all inserted and fixed to the insulating housing 1; and the two outer shielding members 6 are It is detachably fastened to the outer surface of the insulating housing 1.

In addition, although the electrical connector 100 in this embodiment is described as including the above-mentioned components, the components included in the electrical connector 100 can also be changed according to design requirements. For example, in other embodiments not shown in the present invention, at least one of the power terminals 4, the inner shield 5, and the two outer shields 6 may be omitted or replaced with other components. The following describes the structure of each element of the electrical connector 100 of this embodiment and the connection relationship thereof.

The insulating housing 1 is elongated and defines a length direction L, the above-mentioned insertion direction S is perpendicular to the length direction L, and the insulating housing 1 is also defined with a direction perpendicular to the length direction L and the insertion direction S A thickness direction T.

The insulating housing 1 includes a plug-in surface 11 substantially perpendicular to the plug-in direction S, two outer sides 12 on opposite sides and substantially perpendicular to the thickness direction T, and two plug-in surfaces 11 respectively. The edges extend to the two guiding surfaces 13 of the two outer sides 12 and a plurality of buckling blocks 14 formed on the two outer sides 12.

Wherein, the insulating housing 1 has a plurality of terminal grooves 15 and a power supply groove 16 penetrating from its insertion surface 11 along the insertion direction S, and the plurality of terminal grooves 15 are arranged along the length direction L. In two rows, the power supply slots 16 are located on one side of the two rows of terminal slots 15. Furthermore, the insulating housing 1 has a plurality of perforations 17 recessed from the two outer sides 12 along the thickness direction T, and the plurality of perforations 17 are respectively connected to the plurality of terminal grooves 15 section. The insulating housing 1 has a shielding groove 18 recessed from its inserting surface 11 along the inserting direction S, and the shielding groove 18 is located between two rows of the terminal grooves 15.

The plurality of signal terminals 2 and the plurality of grounding members 3 are respectively inserted into the plurality of terminal slots 15 of the insulating housing 1, and the plurality of power terminals 4 are inserted into the power slots of the insulating housing 1. 16 and located on one side of the plurality of signal terminals 2 and the plurality of grounding members 3. Wherein, the plurality of the signal terminals 2 are arranged in two rows along the length direction L, and the plurality of the signal terminals 2 in any one row faces the plurality of signal terminals 2 in the other row along the thickness direction T, and are located The two signal terminals 2 adjacent to each other in the same column are defined as a differential signal pair in this embodiment, and are used to jointly transmit differential signals.

Since the multiple signal terminals 2 of this embodiment have the same or symmetrical structure, for ease of description, only the structure of a single signal terminal 2 will be described below, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the multiple signal terminals 2 of the electrical connector 100 may also have different structures.

As shown in Figures 5, 6, and 8, the signal terminal 2 is an integrally formed one-piece structure in this embodiment, and the signal terminal 2 includes a signal fixing section 21, and the signal fixing section 21, respectively. The opposite ends of the segment 21 extend to form a signal contact segment 22 and a signal welding segment 23. Wherein, the signal fixing section 21 is embedded in the inner wall of the insulating housing 1 (corresponding to the terminal slot 15), and the signal fixing section 21 is pressed against the insulating housing with a side edge in this embodiment. The inner wall of the body 1 and the other side edge of the signal fixing section 21 are embedded in the insulating housing 1 with a plurality of protrusions, but the present invention is not limited to this.

Furthermore, the signal contact section 22 does not touch the insulating housing 1 in this embodiment, and therefore can be elastically deformed. The signal contact section 22 includes a V-shaped first signal contact portion 221 and an L-shaped second signal contact portion 222 connected to the first signal contact portion 221, and the first signal contact The tip of the portion 221 is defined as a main transmission point 223, and the tip of the second signal contact portion 222 is defined as a primary transmission point 224. Wherein, the primary transmission point 223 is closer to the signal fixed section 21 than the secondary transmission point 224, and the primary transmission point 223 and the secondary transmission point 224 are separated by a first distance in the insertion direction S D1.

However, in other embodiments not shown in the present invention, the signal contact section 22 may also be formed with the above-mentioned main signal contact section 22 through a structure other than the above-mentioned V-shaped first signal contact section 221 and L-shaped second signal contact section 222. The transmission point 223 and the secondary transmission point 224 are accordingly separated from the primary transmission point 223 and the secondary transmission point 224 by the first distance D1 in the insertion direction S.

In addition, the signal welding section 23 is described in this embodiment with pins suitable for surface mounting technology (SMT), but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the signal welding section 23 may also be fish-eye shaped and suitable for inserting and fixing pins.

The plurality of grounding members 3 are arranged along the length direction L, and four of the signal terminals 2 (that is, the signal terminals , Two differential signal pairs); that is, one side of the grounding member 3 is adjacently provided with two signal terminals 2 located in two rows and facing each other. Any one of the ground terminals 31 in this embodiment preferably shields at least 95% or more of the area of the two adjacent signal terminals 2 along the length direction L, but the present invention is not limited to this.

Since the multiple grounding members 3 in this embodiment have the same structure, for ease of description, only the structure of a single grounding member 3 is described below, but the present invention is not limited to this. For example, in other embodiments not shown in the present invention, the multiple grounding members 3 of the electrical connector 100 may also have different structures.

As shown in Figures 5, 7, and 9, the grounding member 3 is an integrally formed one-piece structure in this embodiment, and the grounding member 3 includes two oppositely disposed along the thickness direction T. One ground terminal 31, a front connecting rod 32 connected to the two ground terminals 31, and a rear connecting rod 33 connected to the two ground terminals 31. The rear connecting rod 33 is preferably spaced apart from the front connecting rod 32 in the insertion direction S.

Wherein, the two ground terminals 31 are respectively arranged in the above two rows of signal terminals 2, and the structure of each ground terminal 31 is similar to the above signal terminal 2. Specifically, each ground terminal 31 includes a ground fixing section 311 embedded in the inner wall of the insulating housing 1 (corresponding to the terminal slot 15), and the opposite ends of the ground fixing section 311 respectively. A ground contact section 312 and a ground welding section 313 formed by the extension.

Wherein, the ground fixing sections 311 of the two ground terminals 31 respectively correspond in position to the two through holes 17 on the outer side surfaces 12 of different insulating housings 1. In other words, the multiple ground terminals 31 respectively correspond to multiple through holes 17 in positions. In addition, the ground fixing sections 311 of the two ground terminals 31 are connected to the front connecting rod 32 and the rear connecting rod 33, and the front connecting rod 32 and the rear connecting rod 33 are both elongated and perpendicular to the insertion direction S , So that the front connecting rod 32 and the rear connecting rod 33 and the two connected grounding fixing sections 311 can be included together to form a rectangular space, so that the grounding member 3 has sufficient structural strength while also Possess a certain amount of deformation.

Furthermore, the shape of the ground contact section 312 and the ground welding section 313 of each ground terminal 31 is equivalent to the shape of the signal contact section 22 and the signal welding section 23 described above in this embodiment, but the present invention is not limited to this. . Furthermore, the ground contact section 312 is formed with two contact points 3121 separated by the first distance D1 in the above-mentioned insertion direction S, and the ground welding section 313 is a pin suitable for surface welding technology.

As shown in FIGS. 5 and 8 to 10, the inner shield 5 is inserted and fixed in the shield groove 18 of the insulating housing 1, and the inner shield 5 does not protrude from the insulating housing 1. The plug-in surface 11 is separated by the inner shield 5 and the signal contact sections 22 of any two signal terminals 2 facing each other. Wherein, the inner shield 5 abuts against the front connecting rod 32 of each ground member 3, so that a plurality of ground members 3 can be electrically connected to each other through the inner shield 5. The specific structure of the inner shield 5 can be changed according to design requirements, and the present invention is not limited here.

In this embodiment, the inner shield 5 includes a base 51 parallel to the length direction L, a plurality of sheets 52 extending from the base 51 in the insertion direction S, and a plurality of buckling arms 53 . Wherein, the plurality of sheets 52 and the plurality of buckling arms 53 are arranged in a staggered manner. The plurality of sheets 52 abut against the insulating housing 1 along the insertion direction S, and the plurality of buckling arms 53 respectively abut against the front connecting rods 32 of the plurality of grounding members 3 along the length direction L. It should be noted that at least one of the buckling arms 53 and the adjacent sheet body 52 can clamp the corresponding front connecting rod 32 along the length direction L, so as to improve the connection stability between each other.

The two outer shields 6 are detachably fastened to the two outer sides 12 of the insulating housing 1. Wherein, each outer shield 6 includes a plurality of elastic arms 61 at positions corresponding to the plurality of through holes 17, and the plurality of elastic arms 61 of the two outer shields 6 respectively pass through the above-mentioned insulating housing 1 The plurality of through holes 17 can be detachably pressed against the plurality of grounding terminals 31, so that the plurality of grounding members 3 can be electrically connected to each other through any outer shielding member 6.

Furthermore, the multiple grounding members 3, the inner shielding member 5, and the outer shielding member 6 of the electrical connector 100 are electrically connected to each other to achieve a common ground effect, and can jointly divide the electrical connector 100 into multiple shields. Each of the shielded chambers accommodates one of the differential signal pairs, so that a plurality of the differential signal pairs are effectively separated, so that the electrical connector 100 can have a better signal transmission effect.

In more detail, in this embodiment, each outer shield 6 includes a plurality of buckling holes 62, and the plurality of buckling holes 62 of each outer shield 6 are respectively buckled to all A plurality of the buckling blocks 14 on the corresponding outer side surface 12 of the insulating housing 1. Furthermore, each outer shield 6 also includes a plurality of positioning claws 63, and the plurality of positioning claws 63 of the two outer shields 6 respectively abut against the two guides of the insulating housing 1. Surface 13. Accordingly, the two outer shields 6 can be stably buckled to the two outer sides 12 of the insulating housing 1.

As shown in FIGS. 2, 11, and 12, the mating connector M in this embodiment includes a mating housing M1, a plurality of signal mating terminals M2, a plurality of ground mating terminals M3, and a plurality of power mating Terminal M4. Wherein, the multiple signal matching terminals M2, the multiple grounding matching terminals M3, and the multiple power matching terminals M4 are all fixed to the matching housing M1.

Wherein, when the electrical connector 100 and the mating connector M are inserted into each other along the insertion direction S, the signal contact sections 22 of the plurality of signal terminals 2 abut against the plurality of signal mating terminals, respectively M2, the plurality of ground terminals 31 (the ground contact sections 312) respectively abut against the plurality of ground mating terminals M3, and the plurality of power mating terminals M4 respectively abut against the plurality of power terminals 4 .

In more detail, when the electrical connector 100 and the mating connector M are inserted into each other along the insertion direction S, the two contact points 3121 of each ground contact section 312 are in contact with the corresponding The grounding mating terminal M3, and the primary transmission point 223 and the secondary transmission point 224 of each signal contact section 22 are in contact with the corresponding signal mating terminal M2 at the same time. Wherein, a second distance D2 between each of the main transmission points 223 and a free end M21 of the corresponding signal matching terminal M2 is smaller than the first distance D1, and smaller than the corresponding signal matching terminal M2 10% of a total length of M2.

Accordingly, the high-speed connector assembly 1000 of this embodiment can use the primary transmission point 223 and the secondary transmission point 224 of each signal terminal 2 to contact the corresponding signal mating terminal M2 at the same time. Signal transmission structure to improve the high-frequency signal transmission performance of the high-speed connector assembly 1000. Furthermore, the secondary transmission point 224 of each signal terminal 2 can be subjected to (or only) the high-speed connector assembly 1000 by an external force in this embodiment, causing the primary transmission point 223 When separated from the corresponding signal matching terminal M2, signal transmission is performed.

Furthermore, the high-speed connector assembly 1000 of this embodiment forms a primary transmission point 223 and a secondary transmission point 224 on each signal terminal 2, so that the free end M21 of each signal mating terminal M2 is between the corresponding primary transmission point 223 The aforementioned second distance D2 between the two can be reduced, thereby effectively reducing the influence of the stub effect on signal transmission.

[Technical Effects of Embodiments of the Invention]

In summary, the high-speed connector assembly and its electrical connector disclosed in the embodiments of the present invention can simultaneously contact the corresponding signal mating terminal with the primary transmission point and the secondary transmission point of each signal terminal. The high-frequency signal transmission performance of the high-speed connector assembly is improved by different from the previous signal transmission structure. Furthermore, in the high-speed connector assembly and its electrical connector disclosed in the embodiment of the present invention, a primary transmission point and a secondary transmission point are formed at each signal terminal, so that the free end of each signal mating terminal and the corresponding primary transmission The distance between the points can be reduced, thereby effectively reducing the influence of the stubborn effect on signal transmission.

In addition, in the electrical connector disclosed in the embodiment of the present invention, multiple grounding members, inner shielding members, and outer shielding members are electrically connected to each other to achieve a common ground effect, and can jointly divide the inside of the electrical connector into multiple shields Chambers, and each shielded chamber contains one said differential signal pair, so that a plurality of said differential signal pairs are effectively separated, so that the electrical connector can have a better signal transmission effect.

The content disclosed above is only the preferred and feasible embodiments of the present invention, and does not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the patent scope of the present invention. Inside.

1000: High-speed connector combination

100: electrical connector

1: Insulating shell

11: Mating surface

12: Outer side

13: guide surface

14: Buckle block

15: terminal slot

16: power slot

17: Piercing

18: Shielding slot

2: signal terminal

21: Signal fixed segment

22: Signal contact section

221: first signal contact

222: second signal contact

223: Primary Transmission Point

224: secondary transmission point

23: Signal welding section

3: Grounding piece

31: Ground terminal

311: Ground Fixed Section

312: Ground contact section

3121: contact point

313: Ground welding section

32: Front connecting rod

33: Rear connecting rod

4: Power terminal

5: inner shield

51: base

52: sheet body

53: buckle arm

6: Outer shield

61: Flexible arm

62: buckle hole

63: positioning claw

M: Mating connector

M1: Mating shell

M2: signal matching terminal

M21: free end

M3: Grounding mating terminal

M4: Power supply matching terminal

D1: first distance

D2: second distance

L: length direction

S: Insertion direction

T: thickness direction

Fig. 1 is a three-dimensional schematic diagram of a high-speed connector assembly according to an embodiment of the present invention.

Figure 2 is an exploded schematic diagram of Figure 1.

Fig. 3 is a three-dimensional schematic diagram of an electrical connector according to an embodiment of the present invention.

Fig. 4 is an exploded schematic diagram of the electrical connector in Fig. 2.

Fig. 5 is an exploded schematic diagram of Fig. 3.

Fig. 6 is a schematic plan view of two signal terminals according to an embodiment of the present invention.

Fig. 7 is a schematic plan view of a grounding member according to an embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view of Fig. 3 along the section line VIII-VIII.

Fig. 9 is a schematic cross-sectional view of Fig. 3 along the line IX-IX.

Fig. 10 is a schematic cross-sectional view taken along line X-X in Fig. 3.

Fig. 11 is a schematic cross-sectional view of Fig. 1 along the section line XI-XI.

Fig. 12 is a schematic cross-sectional view of Fig. 1 along the line XII-XII.

1000: High-speed connector combination

100: electrical connector

1: Insulating shell

2: signal terminal

21: Signal fixed segment

22: Signal contact section

221: first signal contact

222: second signal contact

223: Primary Transmission Point

224: secondary transmission point

23: Signal welding section

4: Power terminal

5: inner shield

6: Outer shield

M: Mating connector

M1: Mating shell

M2: signal matching terminal

M21: free end

D1: first distance

D2: second distance

S: Insertion direction

T: thickness direction

Claims (9)

A high-speed connector assembly, including: an electrical connector, comprising: an insulating shell, which is elongated and defines a length direction, and the insulating shell defines an insertion direction perpendicular to the length direction; and A plurality of signal terminals are inserted and fixed to the insulating housing, and the plurality of the signal terminals are arranged in two rows along the length direction, and the plurality of signal terminals in any row faces the plurality of rows in the other row. The signal terminal; wherein, each signal terminal includes: a signal fixing section embedded in the inner wall of the insulating housing; and a signal contact section and a signal welding section, respectively from the opposite two of the signal fixing section The signal contact section is formed with a primary transmission point and a primary transmission point separated by a first distance in the plugging direction, and the primary transmission point is more than the secondary transmission point. Adjacent to the signal fixing section; and a mating connector detachably plugged into the electrical connector along the insertion direction, and the mating connector includes a mating shell and fixed to the mating shell A plurality of signal mating terminals of the body; wherein, when the electrical connector and the mating connector are inserted into each other, the signal contact sections of the plurality of signal terminals abut against the plurality of signal mating terminals, respectively , And the main transmission point and the secondary transmission point of each of the signal contact segments are in contact with the corresponding signal mating terminal at the same time, and each of the main transmission points is in contact with the corresponding signal mating terminal A second distance between a free end is less than the first distance and less than 10% of a total length of the corresponding signal mating terminal; wherein, the mating connector includes a mating housing Multiple grounding mating terminals of the body; the electrical connector includes a plug-in fixed to the insulating housing and A plurality of grounding members are arranged along the length direction, and four signal terminals respectively located in two rows of the signal terminals are arranged between two adjacent grounding members; wherein, each grounding member is integrated The formed one-piece structure includes: two grounding terminals arranged opposite to each other; a front connecting rod connected to the two grounding terminals; and a rear connecting rod connected to the two grounding terminals, and The rear connecting rod is spaced apart from the front connecting rod in the insertion direction; wherein, when the electrical connector and the mating connector are inserted into each other, a plurality of the ground terminals abut against each other A plurality of the grounding mating terminals. The high-speed connector assembly according to claim 1, wherein, in each of the signal terminals, the signal contact section does not touch the insulating housing, and the signal contact section includes a V-shaped A first signal contact portion and a second signal contact portion that is L-shaped and connected to the first signal contact portion, and the primary transmission point is located at the tip of the first signal contact portion, and the secondary transmission point Located at the tip of the second signal contact part. The high-speed connector combination according to claim 1, wherein the secondary transmission point of each signal terminal is only vibrated by an external force when the high-speed connector combination causes the primary transmission point to be separated from the corresponding one. When the signal is matched with the terminal, the signal is transmitted. The high-speed connector assembly according to claim 1, wherein each of the ground terminals includes: a ground fixing section embedded in the inner wall of the insulating housing, and the ground fixing section is connected to the The front connecting rod and the rear connecting rod; and a ground contact section and a ground welding section, respectively opposite to the ground fixed section Both ends extend, and the ground contact section is formed with two contact points spaced apart in the insertion direction; wherein, when the electrical connector and the mating connector are inserted into each other, a plurality of The ground contact sections of the ground terminal respectively abut against a plurality of the ground mating terminals, and the two contact points of each ground contact section simultaneously contact the corresponding ground mating terminals. The high-speed connector assembly according to claim 1, wherein the electrical connector further includes an inner shield inserted and fixed to the insulating shell, and the inner shield abuts against each of the The front connecting rod of the grounding member, and the signal contact sections of any two signal terminals facing each other are separated by the inner shielding member. The high-speed connector assembly according to claim 5, wherein the insulating housing includes two outer side surfaces on opposite sides, and the insulating housing is recessed from the two outer side surfaces to be formed at positions corresponding to Multiple through holes of the multiple ground terminals; wherein the electrical connector includes two outer shields detachably fastened to the two outer sides, and each of the outer shields includes A plurality of elastic arms of the two outer shields respectively pass through the plurality of through holes to detachably abut against the plurality of ground terminals. The high-speed connector assembly according to claim 6, wherein the insulating housing includes a plug-in surface, and two guide surfaces extending from two edges of the plug-in surface to two outer side surfaces respectively , And a plurality of buckling blocks formed on the two outer side surfaces; the inner shield does not protrude from the insertion surface, each of the outer shields includes a plurality of buckle holes, and each The plurality of buckling holes of the outer shield are respectively buckled with the plurality of buckling blocks on the corresponding outer side surface; each of the outer shields The member includes a plurality of positioning claws, and the plurality of positioning claws of the two outer shielding members respectively abut against the two guiding surfaces. The high-speed connector assembly according to claim 1, wherein the electrical connector includes a plurality of power terminals inserted and fixed to the insulating housing, and the plurality of power terminals are located at the plurality of signal terminals One side; the mating connector includes a plurality of power mating terminals that abut against a plurality of the power terminals respectively. An electrical connector of a high-speed connector assembly, comprising: an insulating shell, which is elongated and defines a length direction, and the insulating shell defines an insertion direction perpendicular to the length direction; a plurality of signal terminals , Inserting and fixing to the insulating housing, and a plurality of the signal terminals are arranged in two rows along the length direction, and the plurality of the signal terminals in any one row faces the plurality of the signal terminals in the other row; Wherein, each signal terminal includes: a signal fixing section embedded in the inner wall of the insulating housing; and a signal contact section and a signal welding section, formed by extending from opposite ends of the signal fixing section, respectively And the signal contact section is formed with a primary transmission point and a primary transmission point spaced apart in the plugging direction, the primary transmission point is closer to the signal fixed section than the secondary transmission point; And a plurality of grounding pieces, inserted and fixed to the insulating housing and arranged along the length direction, and four of the signal terminals located in two rows of the signal terminals are arranged between two adjacent grounding pieces. Signal terminal; wherein, each grounding piece is an integrally formed one-piece structure and includes: two grounding terminals arranged opposite to each other; a front connecting rod connected to the two grounding terminals; and A rear connecting rod is connected to the two grounding terminals, and the rear connecting rod is spaced apart from the front connecting rod in the insertion direction.

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