Electric connector assembly

Abstract

The invention discloses an electric connector assembly, which comprises an insulating body, a shielding assembly provided with a shielding channel, a signal terminal pair accommodated in the shielding channel, and a cable, the shielding assembly and the signal terminal pair are accommodated in the insulating body, the shielding channel comprises a first channel wall and a second channel wall which are opposite, the signal terminal comprises a signal wiring part and a signal elastic arm, the metal piece is located between the first channel wall and the second channel wall, and the metal piece is connected with the first channel wall and shields the signal elastic arm. The distance between the signal elastic arm and the metal piece is equal to the distance between the signal elastic arm and the second channel wall. The signal elastic arm can be located in the center of the shielding channel, the electromagnetic field around the signal elastic arm is distributed more uniformly, and the shielding effect is enhanced.

Description

Technical Field

[0001] The present invention relates to an electrical connector assembly, and particularly to an electrical connector assembly for high-frequency signal transmission.

Background Art

[0002] In the field of high-frequency signal transmission, the shielding effectiveness of an electrical connector directly affects the signal integrity performance. In the prior art, a structure in which a metal shielding housing is enclosed to form a shielding channel has been widely used, and electromagnetic isolation is achieved by completely covering the signal terminal pair within the shielding channel. However, it is found in actual applications that for a rear-wiring type connector, when the cable termination part needs to extend into the shielding channel, the cable core will be located at the center of the shielding channel. Therefore, the signal terminal welded to the cable core will deviate from the center of the shielding channel, resulting in uneven distribution of the electromagnetic field around the signal terminal in the shielding channel, and the shielding effect of the metal shielding housing on the signal terminal becomes poor, thus affecting the signal integrity.

[0003] Therefore, it is necessary to design an electrical connector assembly to overcome the above problems.

Summary of the Invention

[0004] The creative purpose of the present invention is to provide an electrical connector assembly, in which a metal part is provided on the first channel wall, so that the distance between the signal spring arm and the metal part is equal to the distance between the signal spring arm and the second channel wall.

[0005] To achieve the above object, the present invention adopts the following technical solution: An electrical connector assembly, characterized in that it includes: an insulating body; a shielding assembly received in the insulating body, the shielding assembly is provided with a plurality of shielding channels extending in a first direction, the shielding channels include opposite first channel walls and second channel walls; a plurality of signal terminal pairs received in the plurality of shielding channels, the signal terminal pairs are arranged in rows in the left-right direction, each signal terminal pair includes two signal terminals, the signal terminal includes a signal wiring part, a signal fixing part, and a signal spring arm, the signal fixing part connects the signal wiring part and the signal spring arm; a plurality of cables, including signal lines and shielding layers covering the signal lines, the signal lines are connected to the signal wiring parts, the shielding layers are exposed in the shielding channels, and the shielding layers are connected to the shielding assembly; a metal part located between the first channel wall and the second channel wall, the width of the metal part in the left-right direction is greater than the width of the signal spring arm in the left-right direction, defining a second direction perpendicular to the left-right direction and the first direction, the metal part is connected to the first channel wall and shields the signal spring arm in the second direction, and the distance between the signal spring arm and the metal part is equal to the distance between the signal spring arm and the second channel wall.

[0006] Further, the shielding component includes a plurality of first grounding members, a second grounding member, and a shielding member. The first grounding members are located between adjacent signal terminal pairs. Two of the first grounding members are connected to the second grounding member and the shielding member and enclose the shielding channel. The shielding member constitutes the first channel wall, and the second grounding member constitutes the second channel wall. The metal member is fixed to the shielding member.

[0007] Further, an insulating member is fixed on the signal fixing portion. The insulating member is received in the shielding channel, and the insulating member interferes with the first grounding member. The metal member blocks the insulating member from moving in the second direction.

[0008] Further, the first grounding member is recessed with a groove. The metal member is positioned in the groove. The groove has a first groove wall and a second groove wall opposite to each other in the first direction. The second groove wall is closer to the insulating member than the first groove wall. The insulating member has a blocking surface. The metal member blocks the blocking surface, and the blocking surface is flush with the second groove wall.

[0009] Further, the second grounding member includes a grounding plate and a grounding spring arm extending from the grounding plate in the first direction. The grounding plate is fixed to the first grounding member. The first grounding member is recessed upward with a relief groove. In the left-right direction, the grounding spring arm and the signal spring arm have a partially overlapping projection. At least a part of the grounding spring arm enters the relief groove.

[0010] Further, the shielding member extends forward with a plurality of connecting portions. Each connecting portion is connected to the front end of a first grounding member. The width of the connecting portion in the left-right direction is greater than the width of the front end of the first grounding member in the left-right direction. In the second direction, the connecting portion does not overlap with the projection of the signal terminal.

[0011] Further, an insulating member is fixed on the signal fixing portion. The insulating member is received in the shielding channel. The insulating member includes a limiting portion. The limiting portion fixes two signal wiring portions of a signal terminal pair. The limiting portion includes three bumps and two positioning grooves separating the three bumps. The signal wire is positioned in the positioning groove and connected to the signal wiring portion. The limiting portion further includes a limiting block extending leftward or rightward from the bump. The first grounding member includes a limiting groove, and the limiting block is clamped in the limiting groove.

[0012] Further, an insulating member is fixed on the signal fixing portion. The insulating member is received in the shielding channel. The insulating member is provided with a through hole penetrating in the second direction. A part of the signal wiring portion is located in the through hole. A UV glue is provided at the connection between the signal wire and the signal wiring portion. At least a part of the UV glue enters the through hole, and the UV glue is fixed to the insulating member.

[0013] Further, a first abutting portion protrudes into the shielding channel from the first channel wall, and a second abutting portion protrudes into the shielding channel from the second channel wall. The first abutting portion and the second abutting portion abut against two sides of the shielding layer in opposite directions. The distance that the second abutting portion protrudes into the shielding channel is greater than the distance that the first abutting portion protrudes into the shielding channel. The distance between the signal line and the first channel wall is less than the distance between the signal line and the second channel wall. The signal connection portion includes a first side close to the first channel wall and a second side close to the second channel wall, and the signal line is welded to the first side.

[0014] Further, the thickness of the signal connection portion is less than the thickness of the signal spring arm, and the distance between the signal line and the first channel wall is equal to the distance between the second side and the second channel wall.

[0015] Compared with the prior art, an electrical connector assembly provided by the present invention has the following beneficial effects:

[0016] A metal part is arranged on the first channel wall so that the distance between the signal spring arm and the metal part is equal to the distance between the signal spring arm and the second channel wall. That is to say, the signal spring arm is partially located at the center of the shielding channel, making the electromagnetic field distribution around the signal spring arm more uniform, which can improve the shielding effect, reduce crosstalk, and at the same time can adjust the capacitance at the signal spring arm, optimize the spring arm impedance, and improve signal integrity.

Description of the Drawings

[0017] Figure 1 is a three-dimensional schematic diagram of the electrical connector assembly of the present invention and an electronic component;

[0018] Figure 2 is a three-dimensional exploded view of the electrical connector assembly of the present invention;

[0019] Figure 3 is a side view of the electrical connector assembly of the present invention after removing the insulating body;

[0020] Figure 4 is Figure 3 an exploded view of;

[0021] Figure 5 is Figure 3 a schematic diagram after removing the first grounding part and an insulating part;

[0022] Figure 6 is Figure 5 a schematic diagram from another perspective;

[0023] Figure 7 is Figure 5 a schematic diagram from yet another perspective;

[0024] Figure 8 is Figure 4 an enlarged view of part A in

[0025] Description of the reference numerals in the specific embodiments:

[0026]

[0027]

Specific Embodiments

[0028] For better understanding of the purpose, structure, features, and functions of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] The electrical connector assembly of the present invention defines a three-dimensional coordinate system. The left-right direction is the X-axis direction, the first direction is the Y-axis direction, and the second direction is the Z-axis direction. The spatial relationship of each component is based on this coordinate system.

[0030] As Figure 1 shown, the present invention provides an electrical connector assembly 100 for connecting to an electronic component, where the electronic component is a circuit board.

[0031] As Figure 2 , Figure 3 and Figure 4 shown, the electrical connector assembly 100 includes an insulating body 1, a shielding assembly, signal terminal pairs 2, a metal part 6, an insulating part 7, and a cable 8. The shielding assembly is assembled in the insulating body 1 to form a plurality of shielding channels T extending in the first direction. Each shielding channel T has a first channel wall and a second channel wall arranged opposite to each other. In this embodiment, the electronic component is a circuit board, the signal terminal pairs 2 abut downward against the circuit board, the first direction is inclined forward and downward, and the second direction is defined as perpendicular to the first direction and the left-right direction. In this embodiment, the second direction is inclined backward and downward.

[0032] The shielding assembly includes a first grounding part 4, a second grounding part 5, and a shielding part 3. There are a plurality of first grounding parts 4. Each first grounding part 4 is located between adjacent signal terminal pairs 2. Two first grounding parts 4 are connected to the second grounding part 5 and the shielding part 3 and jointly enclose the shielding channel T. The shielding part 3 constitutes the first channel wall, and the second grounding part 5 constitutes the second channel wall.

[0033] A plurality of signal terminal pairs 2 are arranged in rows in the left-right direction. One signal terminal pair 2 is assembled in each shielding channel T. Each signal terminal pair 2 includes two signal terminals S. Each signal terminal S includes a signal wiring part 21, a signal fixing part 22, and a signal spring arm 23. The signal fixing part 22 connects the signal wiring part 21 and the signal spring arm 23. The signal spring arm 23 extends in the first direction and abuts downward against the circuit board. The signal wiring part 21 includes a first side 211 close to the first channel wall and a second side 212 close to the second channel wall.

[0034] A plurality of cables 8, including signal lines 81 and shielding layers 82 covering the signal lines 81, the signal lines 81 are welded to the first side 211 of the signal connection part 21, and the shielding layers 82 are exposed in the shielding channel T and connected to the shielding assembly.

[0035] As Figure 4 , Figure 6 and Figure 7 shown, the shielding member 3 extends in the first direction with a plurality of connecting portions 32, each connecting portion 32 is connected to the front end of a first grounding member 4, the width of the connecting portion 32 in the left - right direction is greater than the width of the front end of the first grounding member 4 in the left - right direction, and in the second direction, the connecting portion 32 does not overlap with the projection of the signal terminal S.

[0036] The metal member 6 is fixed to the shielding member 3, and the width of the metal member 6 in the left - right direction is greater than the width of the signal spring arm 23 in the left - right direction. In this embodiment, the metal member 6 and the shielding member 3 are integrally formed. Of course, in other embodiments, the metal member 6 can be welded to the shielding member 3 or connected to the shielding member 3 through a snap - fit structure. The first grounding member 4 is recessed with a groove 41, the groove 41 has a first groove wall 411 and a second groove wall 412 opposite to each other in the first direction, and the second groove wall 412 is closer to the insulating member 7 than the first groove wall 411. The metal member 6 is bilaterally limited by the first groove wall 411 and the second groove wall 412 in the groove 41, so that the metal member 6 can be accurately positioned through the groove 41. The metal member 6 shields the signal spring arm 23 in the second direction, and the thickness of the metal member 6 in the second direction enables the distance D1 between the signal spring arm 23 and the metal member 6 to be equal to the distance D2 between the signal spring arm 23 and the second grounding member 5.

[0037] The shielding member 3 is provided with a plurality of openings 33 and a plurality of conductive adhesive media 35. Each first grounding member 4 is recessed with a depression 42. Each opening 33 communicates with a corresponding depression 42. Each conductive adhesive media 35 is filled into a depression 42 through an opening 33, and each conductive adhesive media 35 connects a first grounding member 4 and the shielding layers 82 on both sides of the first grounding member 4. The conductive adhesive media 35 in this embodiment is conductive silver paste. Of course, in other embodiments, the conductive adhesive media 35 can also be a bonding medium with a high conductivity such as solder paste. Here, the high conductivity specifically refers to a conductivity higher than 1.0×10^5 S / m.

[0038] The opening 33 extends in the left-right direction to the region of two adjacent shielding channels T. The two shielding channels T each contain a shielding layer 82 of a cable 8. When viewed in the second direction, the opening 33 exposes a portion of the outer surface of the two shielding layers 82. The shielding member 3 is provided with a plurality of first abutting portions 31 protruding toward the shielding channel T. Each first abutting portion 31 is located between two adjacent openings 33 and abuts against a shielding layer 82. The length of the first abutting portion 31 in the first direction is greater than the length of the opening 33 in the first direction, and the opening 33 is close to the middle of the first abutting portion 31.

[0039] The shielding member 3 also includes a welding portion 34, which is fixed to the first grounding member 4 by laser spot welding. Along the left and right directions, multiple welding portions 34 are alternately arranged with multiple first abutting portions 31, and each welding portion 34 is connected to an adjacent first abutting portion 31. At least two welding portions 34 are provided along the first direction, and the two welding portions 34 are located on both sides of the opening 33, and are respectively connected to the upper end and the lower end of the first abutting portion 31 in the first direction. The left and right sides of the first abutting portion 31 are welded to the first grounding member 4 by welding portions 34, and two welding portions 34 are provided on each side to respectively connect the upper end and the lower end of the first abutting portion 31, which makes it difficult for the first abutting portion 31 to deviate when abutting the shielding layer, thereby improving the grounding stability.

[0040] like Figure 3 and Figure 6 As shown, the second grounding member 5 includes a grounding plate 51 and a grounding spring arm 52 extending from the grounding plate 51 along the first direction. The grounding plate 51 is fixed to the first grounding member 4 by snapping and welding. The grounding spring arm 52 is used to abut the circuit board downward. The first grounding member 4 is upwardly recessed with a clearance groove 43. The part of the grounding spring arm 52 close to the circuit board and the part of the signal flare arm 23 close to the circuit board are projected overlapped along the left and right directions. After the grounding spring arm 52 is pressed down to abut the electronic component, a part of the grounding spring arm 52 enters the clearance groove 43. From the perspective of the left and right directions, the grounding spring arm 52 appears to be basically completely attached to the first grounding member 5.

[0041] like Figure 5 As shown, the grounding plate 51 is provided with a second abutting portion 511 protruding into the shielding channel T, the first abutting portion 31 and the second abutting portion 511 abut against two sides of the shielding layer 82 in opposite directions, and the distance that the second abutting portion 511 protrudes into the shielding channel T is greater than the distance that the first abutting portion 31 protrudes into the shielding channel T. This makes the position of the signal line 81 in the shielding channel T closer to the shielding member 3, that is, the distance between the signal line 81 and the shielding member 3 is less than the distance between the signal line 81 and the second grounding member 5.

[0042] The thickness of the signal connection part 21 in the second direction is less than the thickness of the signal elastic arm 23 in the second direction. Thus, after the signal wire 81 is welded to the signal connection part 21, the distance D3 between the signal wire 81 and the shielding member 3 is equal to the distance D4 between the second side 212 of the signal connection part 21 and the second grounding member 5. That is to say, the combination body after the signal wire 81 is welded to the signal connection part 21 is located at the center of the shielding channel T.

[0043] As Figure 5 , Figure 7 and Figure 8 shown, the insulating member 7 is coated and fixed on the signal fixing part 22. The insulating member 7 includes a limiting part 71 and a stopping surface 72. The limiting part 71 fixes the two signal connection parts 21 of a signal terminal pair 2, and the stopping surface 72 is flush with the second groove wall 412. The metal part 6 stops the stopping surface 72, so that the insulating member 7 cannot move downward along the first direction. Of course, in actual production, due to tolerances, the stopping surface 72 may not be completely flush with the second groove wall 412. Therefore, the stopping surface 72 is very close to the second groove wall 412 and the metal part 6 can stop the insulating member 7, which is also within the scope of the specific embodiments of the present invention.

[0044] The limiting part 71 includes three protrusions 711 arranged at intervals in the left - right direction and two positioning grooves 712 located between adjacent protrusions 711. The signal connection part 21 is exposed in the positioning groove 712, and the signal wire 81 is positioned in the positioning groove 712. Thus, the signal wire 81 can be accurately welded to the signal connection part 21 through the positioning groove 712. The limiting part 71 further includes a limiting block 714 extending leftward or rightward from the protrusion 711. The first grounding member 4 includes a limiting groove 44, and the limiting block 714 is clamped in the limiting groove 44. Through the cooperation of the limiting block 714 and the limiting groove 44, the insulating member 7 can be fixed in the shielding channel T to prevent the insulating member 7 from moving upward or downward along the first direction.

[0045] A UV glue 73 is provided at the connection between the signal wire 81 and the signal connection part 21 to enable the signal wire 81 and the signal connection part 21 to be stably connected. Even if the cable 8 is subjected to a large pull, the signal wire 81 will not be disconnected from the signal connection part 21. The limiting part 71 is also provided with a through - hole 713 penetrating in the second direction. A part of the signal connection part 21 extends into the through - hole 713, and a part of the UV glue 73 enters the through - hole 713, so that the UV glue 73 can be fixed on the limiting part 71 to cover the signal connection part 21 and prevent the signal connection part 21 from falling off the limiting part 71.

[0046] In summary, the present invention has the following effects:

[0047] 1. A metal part 6 is arranged on the first channel wall such that the distance D1 between the signal flare arm 23 and the metal part 6 is equal to the distance D2 between the signal flare arm 23 and the second channel wall. That is to say, the signal flare arm 23 is partially located at the center of the shielding channel T, making the electromagnetic field distribution around the signal flare arm 23 more uniform, which can improve the shielding effect, reduce crosstalk, and at the same time be able to adjust the capacitance at the signal flare arm 23, optimize the impedance of the flare arm, and improve signal integrity.

[0048] 2. A groove 41 is arranged on the first grounding part 4 so that the metal part 6 can be accurately positioned through the groove 41. The second groove wall 412 of the groove 41 is flush with the stop surface 72, and thus can more accurately stop the movement of the insulating part 7 in the first direction.

[0049] 3. A relief groove 43 is arranged on the first grounding part 4 to allow the grounding flare arm 52 to enter. After the electrical connector abuts against the electronic component, the grounding flare arm 52 and the first grounding part 4 overlap in the left - right direction projection. Compared with the grounding flare arm 52 directly attached to the bottom surface of the first grounding part 4, there will be fewer gaps between the projection of the grounding flare arm 52 and the projection of the grounding part 4 in the left - right direction view, and the shielding effect of the grounding flare arm 52 and the grounding part 4 on the signal flare arm 23 will be better.

[0050] 4. The connecting part 32 is connected to the front end of the first grounding part 4, which can make the potential distribution at each part of the shielding part 3 more uniform. In addition, the width of the connecting part 32 in the left - right direction is greater than the width of the front end of the first grounding part 4 in the left - right direction, so that the connecting part 32 extends beyond the first grounding part 4 in the left - right direction. This extended part can block more interference signals and enhance the shielding effect. In addition, the projection of the connecting part 32 in the second direction does not overlap with the projection of the signal terminal S in the second direction, which can prevent the width of the connecting part 32 from being too large, so that the connecting part 32 will not be too close to the signal terminal S, and thus prevent the connecting part 32 from accidentally contacting the signal terminal S and causing a short circuit.

[0051] 5. The thickness of the second abutting portion 511 protruding into the shielding channel T is greater than the thickness of the first abutting portion 31 protruding into the shielding channel T. Such a design can adjust the position of the shielding layer 82 in the shielding channel T, and further adjust the position of the signal line 81 in the shielding channel T, so that the distance D3 between the signal line 81 and the first channel wall is less than the distance D4 between the signal line 81 and the second channel wall. In addition, the thickness of the signal connection portion 21 is designed to be less than the thickness of the signal spring arm 23, so that the signal connection portion 21 is closer to the second grounding member 5. Further, the distance D3 between the signal line 81 and the first channel wall is made equal to the distance D4 between the second side 212 and the second channel wall, so that the electromagnetic field distribution around the combination of the signal connection portion 21 and the signal line 81 is more uniform, thereby enhancing the shielding effect and improving the signal integrity; the thickness of the signal connection portion 21 being less than the thickness of the signal spring arm 23 can also make the impedance of the signal connection portion 21 greater than the impedance of the signal spring arm 23. Since the impedance of the combination of the signal connection portion 21 and the signal line 81 is less than the impedance of the signal connection portion 21 after the signal connection portion 21 is connected to the signal line 81, the impedance of the combination of the signal connection portion 21 and the signal line 81 can instead match the impedance at the signal spring arm 23, thereby improving the signal integrity.

[0052] The above detailed description is only for the description of the preferred 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 content of this creation specification and drawings are included in the patent scope of this creation.

Claims

1. An electrical connector assembly, characterized in that, Comprising: Insulating body; Shielding component, received in the insulating body, the shielding component being provided with a plurality of shielding channels extending in a first direction, the shielding channels including opposite first channel walls and second channel walls; A plurality of signal terminal pairs, received in the plurality of shielding channels, the signal terminal pairs being arranged in rows in the left-right direction, each signal terminal pair including two signal terminals, the signal terminals including signal connection portions, signal fixing portions, and signal spring arms, the signal fixing portions connecting the signal connection portions and the signal spring arms; A plurality of cables, including signal lines and shielding layers covering the signal lines, the signal lines connecting the signal connection portions, the shielding layers being exposed in the shielding channels, and the shielding layers being connected to the shielding component; A metal member, located between the first channel wall and the second channel wall, the width of the metal member in the left-right direction being greater than the width of the signal spring arm in the left-right direction, defining a second direction perpendicular to the left-right direction and the first direction, the metal member connecting to the first channel wall and shielding the signal spring arm in the second direction, the distance between the signal spring arm and the metal member being equal to the distance between the signal spring arm and the second channel wall.

2. The electrical connector assembly according to claim 1, wherein The shielding component includes a plurality of first grounding members, a second grounding member, and a shielding member. The first grounding members are located between adjacent signal terminal pairs. Two of the first grounding members are connected to the second grounding member and the shielding member and enclose the shielding channels. The shielding member forms the first channel wall, the second grounding member forms the second channel wall, and the metal member is fixed to the shielding member.

3. The electrical connector assembly according to claim 2, wherein An insulating member is fixed on the signal fixing portion, the insulating member is received in the shielding channel, and the metal member blocks the insulating member from moving in the second direction.

4. The electrical connector assembly according to claim 3, wherein The first grounding member is recessed with a groove, the metal member is positioned in the groove, the groove has a first groove wall and a second groove wall opposite in the first direction, the second groove wall is closer to the insulating member than the first groove wall, the insulating member has a blocking surface, the metal member blocks the blocking surface, and the blocking surface is flush with the second groove wall.

5. The electrical connector assembly according to claim 2, wherein, The second grounding member includes a grounding plate and a grounding spring arm extending from the grounding plate in the first direction. The grounding plate is fixed to the first grounding member. The first grounding member is recessed upward with a relief groove. In the left-right direction, the grounding spring arm and the signal spring arm have a partially overlapping projection, and at least a part of the grounding spring arm enters the relief groove.

6. The electrical connector assembly according to claim 2, wherein The shielding member extends forward with a plurality of connecting portions, each connecting portion being connected to the front end of a first grounding member. The width of the connecting portion in the left-right direction is greater than the width of the front end of the first grounding member in the left-right direction. In the second direction, the connecting portion does not overlap with the projection of the signal terminal.

7. The electrical connector assembly according to claim 2, wherein, An insulating member is fixedly provided on the signal fixing portion. The insulating member is received in the shielding channel. The insulating member includes a limiting portion. The limiting portion fixes two signal connection portions of a signal terminal pair. The limiting portion includes three bumps and two positioning grooves separating the three bumps. The signal wire is positioned in the positioning groove and connected to the signal connection portion. The limiting portion further includes a limiting block extending leftward or rightward from the bump. The first grounding member includes a limiting groove, and the limiting block is engaged in the limiting groove.

8. The electrical connector assembly according to claim 1, wherein, An insulating member is fixedly provided on the signal fixing portion. The insulating member is received in the shielding channel. The insulating member is provided with a through hole penetrating along the second direction. A part of the signal connection portion is located in the through hole. A UV glue is provided at the connection between the signal wire and the signal connection portion. At least part of the UV glue enters the through hole, and the UV glue is fixed to the insulating member.

9. The electrical connector assembly according to claim 1, wherein, The first channel wall protrudes inwardly into the shielding channel with a first abutting portion, and the second channel wall protrudes inwardly into the shielding channel with a second abutting portion. The first abutting portion and the second abutting portion abut against both sides of the shielding layer in opposite directions. The distance that the second abutting portion protrudes inwardly into the shielding channel is greater than the distance that the first abutting portion protrudes inwardly into the shielding channel. The distance between the signal wire and the first channel wall is less than the distance between the signal wire and the second channel wall. The signal connection portion includes a first side close to the first channel wall and a second side close to the second channel wall, and the signal wire is welded to the first side.

10. The electrical connector assembly according to claim 9, wherein The thickness of the signal connection portion is less than the thickness of the signal spring arm. The distance between the signal wire and the first channel wall is equal to the distance between the second side and the second channel wall.

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