Welding leg electromagnetic shielding reinforced electric connector

Abstract

The invention discloses a welding leg electromagnetic shielding reinforced electric connector. The welding leg electromagnetic shielding reinforced electric connector comprises an insulating rubber core, a plurality of terminals and three shielding spacers, the plurality of terminals are combined with the insulating rubber core, the butt joint parts and the fixed connection parts of the terminals are configured to be a first column and a second column which are arranged in parallel, and the plurality of welding parts of the plurality of terminals are arranged to be a third column. The three shielding spacers are arranged between the first column and the second column of the butt joint part and the fixed connection part of the terminal. The shielding spacers comprise two outer side shielding spacers and a middle shielding spacer. Each outer side shielding spacer comprises a first extension part, a second extension part and a third extension part, the first extension part extends to the outer side of the welding part of one grounding terminal, and the second extension part extends to the position between the welding part of one grounding terminal and the welding part of one power supply terminal; and the third extension part extends between the welding part of one power supply terminal and the welding part of one functional terminal.

Description

Technical Field

[0001] The invention relates to the technical field of an electric connector, and in particular to a solder pin electromagnetic shielding reinforced electric connector which strengthens the electromagnetic shielding effect of a soldering portion. Background Art

[0002] An electrical connector is used to transmit electronic signals between electronic devices or electronic modules. Therefore, an electrical connector serves as an interface for electronic device signal transmission or an interface for device connection. Currently, the most commonly used electrical connector in electronic devices is the Universal Serial Bus (USB) electrical connector. In addition to the commonly used USB type A, the most commonly used USB electrical connector is the USB type C electrical connector.

[0003] The existing USB type C electrical connector, as disclosed in Chinese patent CN212062763U, has a metal intermediate partition between the upper and lower terminals to form an electromagnetic shield between the upper and lower terminals. However, when the welding parts of all the terminals are arranged in a row, only the welding part of the ground terminal between the high-frequency signal terminal and the outside or between the high-frequency signal terminal and the conventional signal terminal can produce an electromagnetic shielding effect. Since the width of the welding part of the ground terminal is limited, the electromagnetic shielding effect it produces is also limited, resulting in poor electromagnetic shielding, and thus causing crosstalk or signal distortion problems. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a solder pin electromagnetic shielding enhanced electrical connector, which solves the problem of poor electromagnetic shielding effect of the soldering portion of the terminal in the prior art.

[0005] The present invention provides a solder pin electromagnetic shielding enhanced electrical connector, which includes an insulating rubber core, a plurality of terminals and three shielding spacers. A plurality of terminals are combined with the insulating rubber core, each terminal includes a docking portion docking with a pair of opposing connectors, a fixing portion fixed to the insulating rubber core and a welding portion welded to a surface pad of a circuit board, the docking portion and the fixing portion of the terminal are configured to form a first column and a second column arranged in parallel with each other, each column of terminals corresponding to the docking portion of the first column and the docking portion of the second column includes a conventional signal terminal pair, two functional terminals respectively arranged on both sides of the conventional signal terminal pair, two power terminals respectively arranged on one side of the two functional terminals, two high-frequency signal terminal pairs respectively arranged on one side of the two power terminals and two grounding terminals respectively arranged on one side of the two high-frequency signal terminal pairs, and the plurality of welding portions of all the plurality of terminals are arranged in a third column. Three shielding spacers are arranged between the first and second columns of the docking and fixing parts of the terminals, and the shielding spacers are separated from each other by a predetermined distance to form insulation, and the shielding spacers include two outer shielding spacers and an intermediate shielding spacer, each outer shielding spacer corresponds to a grounding terminal and a high-frequency signal terminal pair, and the intermediate shielding spacer corresponds to two functional terminals, two power terminals and a conventional signal terminal pair. Each outer shielding spacer includes a first extension portion, a second extension portion and a third extension portion, the first extension portion extends to the outside of a welding portion of a grounding terminal, the second extension portion extends between a welding portion of a grounding terminal and a welding portion of a power terminal, and the third extension portion extends between a welding portion of a power terminal and a welding portion of a functional terminal.

[0006] In another embodiment, each outer shielding spacer further comprises an outer shielding spacer body, the first extension portion, the second extension portion and the third extension portion extend from the edge of the outer shielding spacer body, the first row of docking portions and the retaining portions and the second row of docking portions and the retaining portions are respectively arranged corresponding to two opposite surfaces of the outer shielding spacer body. At least a portion of the edge of the outer shielding spacer body close to the middle shielding spacer extends beyond the edge of the high-frequency signal terminal in a direction parallel to the high-frequency signal terminal.

[0007] In another embodiment, the first extension portion and the second extension portion of each outer shielding spacer are adjacent to the welding portion of the ground terminal, and the third extension portion is at an equal distance from the welding portion of the power terminal and the welding portion of the functional terminal.

[0008] In another embodiment, the ground terminals, high-frequency signal terminals and power supply terminals corresponding to the multiple terminals of the first column and the ground terminals, high-frequency signal terminals and power supply terminals located on the same side and corresponding to the terminals of the second column are located on opposite sides of the second extension portion of an outer shielding partition.

[0009] In another embodiment, the electronic signal characteristics corresponding to the terminals of the first column and the second column are arranged in opposite order to each other, and the terminals of the first column and the second column are arranged symmetrically with respect to the center line of the conventional signal terminal pair. The two outer shielding spacers are arranged symmetrically with respect to the middle shielding spacer.

[0010] In another embodiment, the mating portions and fixing portions of the functional terminals and conventional signal terminals in the first row and the mating portions and fixing portions of the functional terminals and conventional signal terminals in the second row correspond to two opposite surfaces of the middle shielding spacer, respectively.

[0011] In another embodiment, the mating parts and fixing parts of the functional terminals and conventional signal terminals in the first row and the mating parts and fixing parts of the functional terminals and conventional signal terminals in the second row are symmetrically arranged relative to the center line of the middle shielding spacer.

[0012] In another embodiment, each outer shielding partition also includes a first contact portion and a second contact portion, the first contact portion and the second contact portion respectively protrude from two opposite surfaces of the outer shielding partition body, the first contact portion contacts the docking portion of the first column of grounding terminals, and the second contact portion contacts the docking portion of the second column of grounding terminals.

[0013] In another embodiment, the intermediate shielding member also includes an intermediate shielding member body, two third contact portions and two fourth contact portions, the third contact portion and the fourth contact portion respectively protrude from two opposite surfaces of the intermediate shielding member body, the third contact portion contacts the docking portion of the power terminal of the first row, and the fourth contact portion contacts the docking portion of the power terminal of the second row.

[0014] In another embodiment, at least one ground terminal, at least one power terminal or at least one functional terminal is provided between the welding portion of the high-frequency signal terminal pair and the welding portion of other high-frequency signal terminal pairs or between the welding portion of the high-frequency signal terminal pair and the welding portion of the conventional signal terminal pair.

[0015] The weld foot electromagnetic shielding enhanced electrical connector of the present invention is provided with a first extension portion, a second extension portion and a third extension portion on the outer shielding partition, wherein the first extension portion extends to the outside of the welding portion of a grounding terminal, the second extension portion extends to between the welding portion of a grounding terminal and the welding portion of a power terminal, and the third extension portion extends to between the welding portion of a power terminal and the welding portion of a functional terminal. Thus, the first extension portion cooperates with the grounding terminal to increase the effective shielding width for the high-frequency signal terminal, and similarly, the second extension portion cooperates with another grounding terminal to increase the effective shielding width for the high-frequency signal terminal, thereby greatly improving the electromagnetic shielding effect between the high-frequency signal terminal pairs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a three-dimensional view of an embodiment of the solder pin electromagnetic shielding enhanced electrical connector of the present invention.

[0017] Figure 2 yes Figure 1 A three-dimensional exploded view of the weld foot electromagnetic shielding enhanced electrical connector.

[0018] Figure 3 yes Figure 1 A three-dimensional diagram of the assembly of the terminal and shielding spacer of the electromagnetic shielding reinforced electrical connector with welding feet.

[0019] Figure 4 yes Figure 3 A three-dimensional diagram of a terminal and shielding spacer assembly structure combined with an insulating rubber core.

[0020] Figure 5 yes Figure 4 A three-dimensional diagram of a first metal shell in which a combined structure of a terminal and an insulating rubber core is arranged.

[0021] Figure 6 yes Figure 5 A three-dimensional diagram of an assembly structure of a first metal shell and an insulating rubber core combined with a second metal shell.

[0022] Figure 7 yes Figure 1 A three-dimensional view of the assembly structure of the terminal and shielding spacer of the electromagnetic shielding reinforced electrical connector with welding feet.

[0023] Figure 8 yes Figure 7 A stereoscopic view from another perspective of the assembly structure of the terminal and the shielding spacer.

[0024] Fig. 9 yes Figure 6 A stereoscopic view of the assembly structure of the terminal and the shielding spacer from another perspective.

[0025] Fig.10 yes Figure 6 A top view of the assembly structure of the terminal and the shielding spacer.

[0026] Fig.11 yes Figure 6 A bottom view of the assembly structure of the terminal and the shielding spacer.

[0027] Fig.12 yes Fig.10 Section view along line AA.

[0028] Fig.13 yes Fig.10 Section view along line BB.

[0029] Fig.14 It is a perspective view of an embodiment of a shielding spacer of the present invention.

[0030] Explanation of reference numerals: 1-weld foot electromagnetic shielding reinforced electrical connector; 10-terminal; 10a-conventional signal terminal pair; 10b-functional terminal; 10c-power terminal; 10d-high frequency signal terminal pair; 10e-ground terminal; 11-joining portion; 12-fixed portion; 13-welding portion; 20-shielding spacer; 20a-outer shielding spacer; 20a1-first extension portion; 20a2-second extension portion; 20a3-third extension portion; 20a4-outer shielding spacer body; 20a5-first contact portion; 20a6-second contact portion; 20b-middle shielding spacer; 20 b1-intermediate shielding partition body; 20b2-third contact portion; 20b3-fourth contact portion; 30-insulating rubber core; 30a-tongue plate portion; 30b-base portion; 31-first insulating structure; 32-second insulating structure; 33-docking port; 34-docking space; 40-first metal shell; 50-second metal shell; A-first column; B-second column; C-third column; G1(A)-first group of the first column; G1(B)-first group of the second column; G2(A)-second group of the first column; G2(B)-second group of the second column; P-circuit board; P1-surface solder pad. DETAILED DESCRIPTION

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , which represents an embodiment of the solder pin electromagnetic shielding enhanced electrical connector of the present invention. The solder pin electromagnetic shielding enhanced electrical connector 1 of this embodiment includes a plurality of terminals 10, three shielding spacers 20, an insulating rubber core 30, a first metal shell 40 and a second metal shell 50. After the terminals 10 are stamped and formed from the metal strip, the terminals 10 are divided into two rows. Each row of terminals 10 is first combined with the first insulating structure 31 of the insulating rubber core 30 through a first embedded injection molding process, and then the two rows of terminals 10 together with the first insulating structure 31 clamp the shielding spacer 20 to form a structure as shown in FIG. Figure 3 The assembly structure shown. Then Figure 3 The assembly structure shown is formed by a second insert molding or over molding. Figure 4 The second insulating structure 32 shown in the figure, the second insulating structure 32 together with the first insulating structure 31 forms an insulating rubber core 30, and the insulating rubber core 30 includes a tongue portion 30a and a base portion 30b. Figure 5 As shown, the first metal shell 40 is disposed on the insulating rubber core 30 and covers the tongue portion 30a to form a pair of interfaces 33 and a docking space 34 is formed around the tongue portion 30a for inserting the opposite electrical connector. Figure 6 As shown, the second metal shell 50 covers the base 30b of the insulating rubber core 30 and the first metal shell 40 to strengthen the overall structure of the solder pin electromagnetic shielding enhanced electrical connector 1 of this embodiment, and provide electromagnetic shielding of the solder pin electromagnetic shielding enhanced electrical connector 1 of this embodiment against external electromagnetic waves.

[0032] See also Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.14 Each terminal 10 includes a docking portion 11 that docks with a counterpart connector, a fixing portion 12 that is fixed to the insulating rubber core 20, and a surface soldering pad P1 (such as Figure 1 and Figure 2 The soldering part 13 of the soldering foot electromagnetic shielding enhanced electrical connector 1 of this embodiment is a female electrical connector of type C of the universal serial bus (USB). The docking part 11 and the fixing part 12 of the terminal 10 of this embodiment are arranged in a first column A and a second column B arranged in parallel with each other. Each column of the terminal 10 corresponding to the docking part 11 of the first column A and the terminal 10 corresponding to the docking part 11 of the second column B includes a conventional signal terminal pair 10a, two functional terminals 10b respectively arranged on both sides of the conventional signal terminal pair 10a, two power terminals 10c respectively arranged on one side of the two functional terminals 10b, two high-frequency signal terminal pairs 10d respectively arranged on one side of the two power terminals 10c, and two grounding terminals 10e respectively arranged on one side of the two high-frequency signal terminal pairs 10d. The electronic signal characteristics of the terminals 10 corresponding to the first column A and the second column B are arranged in opposite order to each other.

[0033] The fixed portions 12 of the terminals 10 of the first row A are bent in the horizontal direction and bent toward the terminals 10 of the second row B, and the fixed portions 12 of the terminals 10 of the second row B are bent in the horizontal direction and bent toward the terminals 10 of the first row A, so that the soldering portions 13 of all the terminals 10 are arranged in a third row C. In the third row C, a power terminal 10c, a high-frequency signal terminal pair 10d and a ground terminal 10e form a first group G1, a conventional signal terminal pair 10a and two functional terminals 10b form a second group G2, the terminals 10 of the first row A have two first groups G1 (G1(A)) and one second group G2 (G2(A)), and the terminals 10 of the second row B have two first groups G1 (G1(B)) and one second group G2 (G2(B)). In the third row C, the first group G1 of the terminals 10 of the first row A and the first group G1 of the terminals 10 of the second row B form a staggered arrangement, and the second group G2 of the terminals 10 of the first row A and the second group G2 of the terminals 10 of the second row B also form a staggered arrangement. The welding portions 13 of the conventional signal terminal pair 10a, the functional terminal 10b, the high-frequency signal terminal pair 10d and the ground terminal 10e have the same width, and the width of the welding portion 13 of the power terminal 10c is greater than the width of the welding portions 13 of the other terminals 10.

[0034] Three shielding spacers 20 are arranged between the first row A and the second row B of the docking portion 11 and the fixing portion 12 of the terminal 10, and the shielding spacers 20 are separated from each other by a predetermined distance to form insulation. The shielding spacers 20 include two outer shielding spacers 20a and a middle shielding spacer 20b, and the middle shielding spacer 20b is located between the two outer shielding spacers 20a. The two outer shielding spacers 20a are symmetrically arranged relative to the middle shielding spacer 20b, that is, the shapes and positions of the two outer shielding spacers 20a are symmetrical relative to the middle shielding spacer 20b.

[0035] Each outer shielding partition 20a corresponds to the grounding terminal 10e and the high-frequency signal terminal pair 10d, that is, the grounding terminal 10e and the high-frequency signal terminal pair 10d of the terminal 10 of the first column A and the grounding terminal 10e and the high-frequency signal terminal pair 10d of the terminal 10 of the second column B form electromagnetic shielding with the outer shielding partition 20a. The middle shielding partition 20b corresponds to two functional terminals 10b, two power terminals 10c and a conventional signal terminal pair 10a, that is. The two functional terminals 10b, two power terminals 10c and the conventional signal terminal pair 10a of the terminal 10 of the first column A and the two functional terminals 10b, two power terminals 10c and the conventional signal terminal pair 10a of the terminal 10 of the second column B form electromagnetic shielding with the middle shielding partition 20b.

[0036] Each outer shielding spacer 20a includes a first extension portion 20a1, a second extension portion 20a2, a third extension portion 20a3 and an outer shielding spacer body 20a4. The first extension portion 20a1, the second extension portion 20a2 and the third extension portion 20a3 extend from the rear end edge of the outer shielding spacer body 20a4 into the third row C of the welding portion 13 of the terminal 10. The first extension portion 20a1 extends to the outside of the welding portion 13 of a grounding terminal 10e and is adjacent to the welding portion 13 of the grounding terminal 10e; the second extension portion 20a2 extends between the welding portion 13 of a grounding terminal 10e and the welding portion 13 of a power terminal 10c and is adjacent to the welding portion 13 of the grounding terminal 10e; the third extension portion 20a3 extends between the welding portion 13 of a power terminal 10c and the welding portion 13 of a functional terminal 10b. The third extension portion 20 a 3 has an equal distance from the soldering portion 13 of the power terminal 10 c and the soldering portion 13 of the functional terminal 10 b .

[0037] The first extension portion 20a1 and the second extension portion 20a2 are adjacent to the welding portion 13 of the ground terminal 10e, thereby increasing the effective electromagnetic shielding width of the ground terminal 10e, and each high-frequency signal terminal pair 10d is provided with a first extension portion 20a1 and a second extension portion 20a2, or a second extension portion 20a2 and a third extension portion 20a3 on both sides, thereby increasing the electromagnetic shielding effect of each high-frequency signal terminal pair 10d.

[0038] In addition, at least a portion of the edge of the outer shielding partition body 20a4 close to the middle shielding partition 20b exceeds the edge of the high-frequency signal terminal 10d in a direction parallel to the high-frequency signal terminal 10d, and a portion of the docking portion 11 of the outer shielding partition body 20a4 corresponding to the high-frequency signal terminal 10d exceeds the edge of the high-frequency signal terminal 10d, thereby forming better electromagnetic shielding between the edges of the high-frequency signal terminals 10d of the first column A and the high-frequency signal terminals 10d of the second column B.

[0039] Please also read Fig.12 Each outer shielding spacer 20a further includes a first contact portion 20a5 and a second contact portion 20a6, the first contact portion 20a5 and the second contact portion 20a6 protrude from two opposite surfaces of the outer shielding spacer body 20a4, the first contact portion 20a5 contacts the docking portion 11 of the grounding terminal 10e of the first column A, and the second contact portion 20a6 contacts the docking portion 11 of the grounding terminal 10e of the second column B. Thus, the electromagnetic waves absorbed by the grounding terminal 10e can be transmitted to the outer shielding spacer 20a.

[0040] Please also read Fig.13Each intermediate shielding spacer 20b includes an intermediate shielding spacer body 20b1, two third contact portions 20b2 and two fourth contact portions 20b3. The docking portions 11 and the fixing portions 12 of the functional terminals 10b and the conventional signal terminals 10a of the first column A and the docking portions 11 and the fixing portions 12 of the functional terminals 10b and the conventional signal terminals 10a of the second column B correspond to two opposite surfaces of the intermediate shielding spacer 20b, that is, the intermediate shielding spacer 20b forms electromagnetic shielding between the conventional signal terminals 10a of the first column A and the conventional signal terminals 10a of the second column B. The third contact portion 20b2 and the fourth contact portion 20b3 protrude from two opposite surfaces of the intermediate shielding spacer body 20b1, respectively. The third contact portion 20b2 contacts the docking portion 11 of the power terminal 10c of the first column A, and the fourth contact portion 20b3 contacts the docking portion 11 of the power terminal 10c of the second column B. The mating portions 11 and the fixing portions 12 of the functional terminals 10b and the conventional signal terminals 10a of the first row A and the mating portions 11 and the fixing portions 12 of the functional terminals 10b and the conventional signal terminals 10a of the second row B are symmetrically arranged relative to the center line of the middle shielding spacer 20b.

[0041] In this embodiment, at least one ground terminal 10e, at least one power terminal 10c or at least one functional terminal 10b is provided between the welding portion 13 of the high-frequency signal terminal pair 10d and the welding portion 13 of other high-frequency signal terminal pairs 10d or between the welding portion 13 of the high-frequency signal terminal pair 10d and the welding portion 13 of the conventional signal terminal pair 10a, so as to produce better electromagnetic shielding for the welding portion 13 of the high-frequency signal terminal pair 10d.

[0042] The weld foot electromagnetic shielding enhanced electrical connector of the present invention is provided with a first extension portion, a second extension portion and a third extension portion on the outer shielding partition, wherein the first extension portion extends to the outside of the welding portion of a grounding terminal, the second extension portion extends to between the welding portion of a grounding terminal and the welding portion of a power terminal, and the third extension portion extends to between the welding portion of a power terminal and the welding portion of a functional terminal. Thus, the first extension portion cooperates with the grounding terminal to increase the effective shielding width of the welding portion of the high-frequency signal terminal, and similarly, the second extension portion cooperates with another grounding terminal to increase the effective shielding width of the welding portion of the high-frequency signal terminal, thereby greatly improving the electromagnetic shielding effect between the welding portions of the high-frequency signal terminal pair.

[0043] The above description is only a preferred embodiment of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. That is, all simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention. In addition, any embodiment or claim of the present invention does not have to achieve all the purposes, advantages or features provided by the present invention. In addition, the abstract and the title are only used to assist in searching patent documents, and are not used to limit the scope of protection of the present invention. In addition, the terms "first", "second", etc. mentioned in the description or claims of the present invention are only used to name the name of the element or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

Claims

1. A weld foot electromagnetic shielding enhanced electrical connector, characterized in that: include: An insulating rubber core; A plurality of terminals combined with the insulating rubber core, each of the terminals comprising a docking portion docking with a pair of opposing connectors, a fixing portion fixed to the insulating rubber core, and a soldering portion soldered to a surface solder pad of a circuit board, the plurality of docking portions and the fixing portions of the plurality of terminals are arranged in a first row and a second row parallel to each other, each row of the plurality of terminals corresponding to the plurality of docking portions of the first row and the plurality of terminals corresponding to the plurality of docking portions of the second row comprises a conventional signal terminal pair, two functional terminals respectively arranged at both sides of the conventional signal terminal pair, two power terminals respectively arranged at one side of the two functional terminals, two high-frequency signal terminal pairs respectively arranged at one side of the two power terminals, and two ground terminals respectively arranged at one side of the two high-frequency signal terminal pairs, and the plurality of soldering portions of all the plurality of terminals are arranged in a third row; and Three shielding spacers are disposed between the first row and the second row of the docking portion and the fixing portion of the plurality of terminals, and the three shielding spacers are separated from each other by a predetermined distance to form insulation, the three shielding spacers include two outer shielding spacers and a middle shielding spacer, each of the outer shielding spacers corresponds to the ground terminal and the high-frequency signal terminal pair, and the middle shielding spacer corresponds to two of the functional terminals, two of the power terminals and the conventional signal terminal pair; Each of the outer shielding partitions includes a first extension portion, a second extension portion and a third extension portion, the first extension portion extends to the outside of the welding portion of one of the grounding terminals, the second extension portion extends between the welding portion of one of the grounding terminals and the welding portion of one of the power terminals, and the third extension portion extends between the welding portion of one of the power terminals and the welding portion of one of the functional terminals.

2. The solder pin electromagnetic shielding enhanced electrical connector according to claim 1, characterized in that: Each of the outer shielding partitions also includes an outer shielding partition body, the first extension portion, the second extension portion and the third extension portion extend from the edge of the outer shielding partition body, the docking portion and the retaining portion of the first row and the docking portion and the retaining portion of the second row are respectively arranged corresponding to two opposite surfaces of the outer shielding partition body; at least a portion of the edge of the outer shielding partition body close to the middle shielding partition exceeds the edge of the high-frequency signal terminal in a direction parallel to the high-frequency signal terminal.

3. The solder pin electromagnetic shielding enhanced electrical connector according to claim 1, characterized in that: The first extension portion and the second extension portion of each of the outer shielding spacers are adjacent to the welding portion of the ground terminal, and the third extension portion has an equal distance from the welding portion of the power terminal and the welding portion of the functional terminal.

4. The solder pin electromagnetic shielding enhanced electrical connector according to claim 1, characterized in that: The ground terminal, the high-frequency signal terminal and the power terminal corresponding to the plurality of terminals in the first column and the ground terminal, the high-frequency signal terminal and the power terminal located on the same side and corresponding to the plurality of terminals in the second column are located on opposite sides of the second extension portion of the outer shielding partition.

5. The solder pin electromagnetic shielding enhanced electrical connector according to claim 4, characterized in that: The electronic signal characteristics corresponding to the plurality of terminals in the first column and the second column are configured in opposite order to each other, and the docking portions of the plurality of terminals in the first column and the second column are symmetrically arranged relative to the center line of the conventional signal terminal pair; the two outer shielding partitions are symmetrically arranged relative to the middle shielding partition.

6. The solder pin electromagnetic shielding enhanced electrical connector according to claim 1, characterized in that: The mating portions and the fixing portions of the functional terminals and the conventional signal terminals in the first row and the mating portions and the fixing portions of the functional terminals and the conventional signal terminals in the second row correspond to two opposite surfaces of the middle shielding spacer, respectively.

7. The solder pin electromagnetic shielding enhanced electrical connector according to claim 1, characterized in that: The mating portions and the fixing portions of the functional terminals and the conventional signal terminals in the first row and the mating portions and the fixing portions of the functional terminals and the conventional signal terminals in the second row are symmetrically arranged relative to the center line of the middle shielding spacer.

8. The solder pin electromagnetic shielding enhanced electrical connector according to claim 2, characterized in that: Each of the outer shielding partitions also includes a first contact portion and a second contact portion, the first contact portion and the second contact portion respectively protrude from two opposite surfaces of the outer shielding partition body, the first contact portion contacts the docking portion of the grounding terminal in the first column, and the second contact portion contacts the docking portion of the grounding terminal in the second column.

9. The solder foot electromagnetic shielding enhanced electrical connector according to claim 8, characterized in that: The intermediate shielding member also includes an intermediate shielding member body, two third contact portions and two fourth contact portions, the third contact portion and the fourth contact portion respectively protrude from two opposite surfaces of the intermediate shielding member body, the third contact portion contacts the docking portion of the power terminal of the first row, and the fourth contact portion contacts the docking portion of the power terminal of the second row.

10. The solder foot electromagnetic shielding enhanced electrical connector according to claim 1, characterized in that: At least one ground terminal, at least one power terminal or at least one functional terminal is provided between the welding portion of the high-frequency signal terminal pair and the welding portion of other high-frequency signal terminal pairs or between the welding portion of the high-frequency signal terminal pair and the welding portion of the conventional signal terminal pair.

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