Grounding piece, electric connection module and connector

Abstract

The utility model discloses a grounding piece, an electric connection module and a connector. The grounding piece comprises a plurality of grounding terminals which are arranged in a row along the transverse direction; and the connecting strip extends along the transverse direction and is connected with one end of each of the plurality of grounding terminals, and the grounding piece is an integrated punch forming piece. In various exemplary embodiments of the utility model, the connector has an excellent grounding shielding effect, the signal integrity of the connector is improved, and the signal integrity of the connector can reach 224G.

Description

Technical Field

[0001] The utility model relates to a grounding part, including an electrical connection module of the grounding part and a connector including the electrical connection module. Background Art

[0002] In the prior art, a connector generally includes a holding body, a row of terminals held in the holding body, and a row of cables welded to the rear ends of the row of terminals. In the prior art, a row of terminals includes a plurality of grounding terminals and a plurality of pairs of signal terminals. Each pair of signal terminals is arranged between two adjacent grounding terminals. In order to improve the grounding shielding performance, in the prior art, the connector further has a grounding bar which is in electrical contact with the plurality of grounding terminals respectively to electrically interconnect the plurality of grounding terminals. The existing connector has defects of poor grounding shielding effect and poor signal integrity. Summary of the Utility Model

[0003] The purpose of the utility model aims to solve at least one of the above problems and defects existing in the prior art.

[0004] According to one aspect of the utility model, there is provided a grounding part. The grounding part includes: a plurality of grounding terminals arranged in a row along the transverse direction; and a connecting bar extending along the transverse direction and connected to one ends of the plurality of grounding terminals, and the grounding part is an integrally stamped part.

[0005] According to an exemplary embodiment of the utility model, two adjacent grounding terminals are spaced a predetermined distance apart in the transverse direction to allow a pair of signal terminals to be arranged between the two adjacent grounding terminals.

[0006] According to another exemplary embodiment of the utility model, the grounding terminals extend along the longitudinal direction and have a front end and a rear end opposite to each other in the longitudinal direction, and the connecting bar is connected to the rear ends of the plurality of grounding terminals.

[0007] According to another exemplary embodiment of the utility model, contact elastic pieces are formed at the front ends of the grounding terminals, and the contact elastic pieces are used for electrically contacting contact pads on a circuit board or mating terminals of a mating connector.

[0008] According to another exemplary embodiment of the utility model, the two outermost grounding terminals in a row of grounding terminals respectively have a single contact elastic piece for electrically contacting a single contact pad or a single mating terminal; the other grounding terminals in a row of grounding terminals except the two outermost grounding terminals respectively have two contact elastic pieces arranged side by side for electrically contacting two contact pads or two mating terminals respectively.

[0009] According to another aspect of the present utility model, an electrical connection module is provided. The electrical connection module includes: the aforementioned grounding member; multiple pairs of signal terminals, each pair of signal terminals being arranged side by side between two adjacent grounding terminals of the grounding member; and a holding body for holding the grounding member and the multiple pairs of signal terminals, a part of the grounding terminals and the signal terminals being embedded in the holding body, and the connection strip of the grounding member being embedded in the holding body.

[0010] According to an exemplary embodiment of the present utility model, the holding body is an injection molded part directly injection molded on the grounding member and the multiple pairs of signal terminals, such that the grounding member, the multiple pairs of signal terminals, and the holding body form an integral part.

[0011] According to another exemplary embodiment of the present utility model, the grounding terminals and the signal terminals respectively have cantilever portions protruding from the front side of the holding body, and contact elastic pieces are formed at the ends of the cantilever portions, and the contact elastic pieces are used for making electrical contact with contact pads on a circuit board or mating terminals of a mating connector.

[0012] According to another exemplary embodiment of the present utility model, windows are formed on the holding body, and the grounding terminals and the signal terminals respectively have welding portions exposed from the windows of the holding body. The welding portion of the grounding terminal is used for welding to the ground wire of a cable, and the welding portion of the signal terminal is used for welding to the signal wire of the cable.

[0013] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: multiple cables, each having two ground wires and a pair of signal wires located between the two ground wires. The two ground wires of the cable are respectively welded to the top surfaces of the welding portions of two adjacent grounding terminals, and the pair of signal wires of the cable are respectively welded to the top surfaces of the welding portions of the pair of signal terminals.

[0014] According to another exemplary embodiment of the present utility model, multiple positioning grooves are formed at the top of the rear side of the holding body, and the multiple cables are respectively positioned in the multiple positioning grooves of the holding body.

[0015] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: multiple welding pads, having a predetermined thickness and being respectively welded to the top surfaces of the welding portions of the multiple grounding terminals. The welding pads protrude from the top surfaces of the welding portions of the grounding terminals by a predetermined height and are used for defining the welding positions of the ground wires located beside them.

[0016] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: an upper shielding cover disposed in the top opening of the window of the holding body, the upper shielding cover having: a plurality of upper welding protrusions respectively welded to the top surfaces of the plurality of welding pads; and a plurality of upper welding tails respectively welded to the exposed shielding layers of the plurality of cables.

[0017] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: a lower shielding cover disposed in the bottom opening of the window of the holding body, the lower shielding cover having: a plurality of lower welding protrusions respectively welded to the bottom surfaces of the welding portions of the plurality of ground terminals; and a plurality of lower welding tails respectively welded to the exposed shielding layers of the plurality of cables.

[0018] According to another exemplary embodiment of the present utility model, a plurality of shielding cavities are defined between the upper shielding cover and the lower shielding cover, and adjacent two shielding cavities are isolated from each other; two ground wires and a pair of signal wires of each cable are received in a corresponding shielding cavity, so that adjacent two cables are isolated; the welding portions of each pair of signal terminals are received in a corresponding shielding cavity, so that the welding portions of adjacent two pairs of signal terminals are isolated.

[0019] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: an injection molded body injection molded in the window of the holding body to fill the window of the holding body, and the injection molded body holds the plurality of cables, the plurality of upper shielding covers and the plurality of lower shielding covers to the holding body.

[0020] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: an upper shielding member located above the cantilever portions of the plurality of ground terminals and the plurality of pairs of signal terminals and having a plurality of upper welding portions respectively welded to the top surfaces of the cantilever portions of the plurality of ground terminals; and a lower shielding member located below the cantilever portions of the plurality of ground terminals and the plurality of pairs of signal terminals and having a plurality of lower welding portions respectively welded to the bottom surfaces of the cantilever portions of the plurality of ground terminals.

[0021] According to another exemplary embodiment of the present utility model, a plurality of shielding chambers are defined between the upper shielding member and the lower shielding member, and adjacent two shielding chambers are isolated from each other, and the cantilever portions of each pair of signal terminals are received in a corresponding shielding chamber, so that the cantilever portions of adjacent two pairs of signal terminals are isolated.

[0022] According to another aspect of the present utility model, there is provided a connector. The connector includes: a housing; and the aforementioned electrical connection module mounted in the housing.

[0023] According to an exemplary embodiment of the present utility model, the connector includes a plurality of electrical connection modules, and the plurality of electrical connection modules are installed side by side in the housing.

[0024] In each of the foregoing exemplary embodiments according to the present utility model, the connector has excellent grounding shielding effect and signal integrity, and its signal integrity can reach 224G.

[0025] Through the description of the present utility model with reference to the accompanying drawings hereinafter, other objects and advantages of the present utility model will be obvious, and can help to have a comprehensive understanding of the present utility model. Brief Description of the Drawings

[0026] Figure 1 A three-dimensional schematic diagram showing a row of terminals of a connector according to an exemplary embodiment of the present utility model;

[0027] Figure 2 A three-dimensional schematic diagram showing a grounding member of a connector according to an exemplary embodiment of the present utility model;

[0028] Figure 3 Showing welding the welding pad to Figure 1 A schematic diagram on the top surface of the welding portion of the grounding terminal shown;

[0029] Figure 4 Showing at Figure 3 A schematic diagram of injection molding a holding body on the grounding member, signal terminals and welding pads shown;

[0030] Figure 5 Showing welding the ground wire and signal wire of the cable to Figure 4 A schematic diagram on the grounding terminal and signal terminal shown;

[0031] Figure 6 A three-dimensional schematic diagram of a grounding member, signal terminals, welding pads and cable of a connector according to an exemplary embodiment of the present utility model;

[0032] Figure 7 A three-dimensional schematic diagram of an upper shielding cover and a lower shielding cover of a connector according to an exemplary embodiment of the present utility model;

[0033] Figure 8 Showing welding the upper shielding cover and the lower shielding cover to Figure 5 A schematic diagram on the grounding terminal shown;

[0034] Figure 9 A three-dimensional schematic diagram of a grounding member, signal terminals, welding pads, cable, upper shielding cover and lower shielding cover of a connector according to an exemplary embodiment of the present utility model;

[0035] Figure 10 Display Figure 9 A transverse cross-sectional view of the shown electrical connection module;

[0036] Figure 11 Shown in Figure 8 A schematic diagram of an injection molded body formed by injection molding on the shown electrical connection module;

[0037] Figure 12 A three-dimensional schematic diagram of the upper shielding member and the lower shielding member of a connector according to an exemplary embodiment of the present invention;

[0038] Figure 13 Shown welding the upper shielding member and the lower shielding member to Figure 11 A schematic diagram of the cantilever portion of the grounding terminal shown. Detailed Description of the Invention

[0039] The technical solution of the present invention will be further specifically described below by way of embodiments in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0040] In addition, in the following detailed description, for the purpose of explanation, many specific details are set forth to provide a thorough understanding of the disclosed embodiments. However, it is obvious that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form to simplify the drawings.

[0041] According to an overall inventive concept of the present invention, a grounding member is provided. The grounding member includes: a plurality of grounding terminals arranged in a row along the transverse direction; and a connecting bar extending along the transverse direction and connected to one end of the plurality of grounding terminals, and the grounding member is an integrally stamped and formed member.

[0042] According to another overall inventive concept of the present invention, an electrical connection module is provided. The electrical connection module includes: the aforementioned grounding member; a plurality of pairs of signal terminals, each pair of signal terminals being arranged side by side between two adjacent grounding terminals of the grounding member; and a holding body for holding the grounding member and the plurality of pairs of signal terminals, a part of the grounding terminals and the signal terminals being embedded in the holding body, and the connecting bar of the grounding member being embedded in the holding body.

[0043] According to another overall inventive concept of the present invention, a connector is provided. The connector includes: a housing; and the aforementioned electrical connection module, which is installed in the housing.

[0044] Figure 1A perspective view showing a row of terminals of a connector according to an exemplary embodiment of the present utility model; Figure 2 A perspective view showing the grounding member 10 of a connector according to an exemplary embodiment of the present utility model.

[0045] As Figure 1 and Figure 2 shown, in an exemplary embodiment of the present utility model, a grounding member 10 is disclosed. The grounding member 10 includes a plurality of grounding terminals 1 and a connecting bar 11. The plurality of grounding terminals 1 are arranged in a row along the transverse direction. The connecting bar 11 extends along the transverse direction and is connected to one end of the plurality of grounding terminals 1. The grounding member 10 is an integrally stamped and formed part.

[0046] As Figure 1 and Figure 2 shown, in the illustrated embodiment, two adjacent grounding terminals 1 are spaced apart by a predetermined distance in the transverse direction to allow a pair of signal terminals (differential signal terminal pair) 1' to be arranged between two adjacent grounding terminals 1.

[0047] As Figure 1 and Figure 2 shown, in the illustrated embodiment, the grounding terminals 1 extend along the longitudinal direction and have a front end and a rear end that are opposite in the longitudinal direction, and the connecting bar 11 is connected to the rear ends of the plurality of grounding terminals 1.

[0048] As Figure 1 and Figure 2 shown, in the illustrated embodiment, a contact spring piece 1c is formed at the front end of the grounding terminal 1, and the contact spring piece 1c is used for electrical contact with a contact pad (not shown) on a circuit board (not shown) or a mating terminal (not shown) of a mating connector (not shown).

[0049] As Figure 1 and Figure 2 shown, in the illustrated embodiment, the two outermost grounding terminals 1 in a row of grounding terminals 1 respectively have a single contact spring piece 1c for electrical contact with a single contact pad or a single mating terminal. The other grounding terminals 1 in the row of grounding terminals 1 except for the two outermost grounding terminals 1 respectively have two contact spring pieces 1c arranged side by side for electrical contact with two contact pads or two mating terminals respectively.

[0050] Figure 3 A schematic view showing welding the welding pad 2 to the top surface of the welding portion 1a of the grounding terminal 1 as Figure 1 shown; Figure 4 A schematic view showing injection molding a holding body 3 on the grounding member 10, signal terminals 1', and welding pads 2 as Figure 3 shown; Figure 5 A schematic view showing welding the ground wire 41 and the signal wire 42 of the cable 4 to Figure 4Schematic diagram of the grounding terminal 1 and signal terminal 1' shown; Figure 6 Three-dimensional schematic diagram showing the grounding member 10, signal terminal 1', welding pad 2, and cable 4 of a connector according to an exemplary embodiment of the present invention; Figure 7 Three-dimensional schematic diagram showing the upper shielding cover 51 and lower shielding cover 52 of a connector according to an exemplary embodiment of the present invention; Figure 8 Showing welding the upper shielding cover 51 and lower shielding cover 52 to Figure 5 Schematic diagram of the grounding terminal 1 shown; Figure 9 Three-dimensional schematic diagram showing the grounding member 10, signal terminal 1', welding pad 2, cable 4, upper shielding cover 51, and lower shielding cover 52 of a connector according to an exemplary embodiment of the present invention; Figure 10 Showing Figure 9 Transverse cross-sectional view of the electrical connection module shown; Figure 11 Showing at Figure 8 Schematic diagram of forming the injection molded body 6 by injection molding on the electrical connection module shown; Figure 12 Three-dimensional schematic diagram showing the upper shielding member 71 and lower shielding member 72 of a connector according to an exemplary embodiment of the present invention; Figure 13 Showing welding the upper shielding member 71 and lower shielding member 72 to Figure 11 Schematic diagram of the cantilever portion 1b of the grounding terminal 1 shown.

[0051] As Figures 1 to 13 Shown, in another exemplary embodiment of the present invention, an electrical connection module is disclosed. The electrical connection module includes: a grounding member 10, multiple pairs of signal terminals 1', and a holding body 3. Each pair of signal terminals 1' is arranged side by side between two adjacent grounding terminals 1 of the grounding member 10. The holding body 3 is used to hold the grounding member 10 and multiple pairs of signal terminals 1'. A part of the grounding terminal 1 and the signal terminal 1' is embedded in the holding body 3, and the connecting strip 11 of the grounding member 10 is embedded in the holding body 3.

[0052] As Figures 1 to 13 Shown, in the illustrated embodiment, the holding body 3 is an injection molded part directly injection molded on the grounding member 10 and multiple pairs of signal terminals 1', such that the grounding member 10, multiple pairs of signal terminals 1', and the holding body 3 form an integral part.

[0053] As Figures 1 to 13 Shown, in the illustrated embodiment, the grounding terminal 1 and the signal terminal 1' respectively have a cantilever portion 1b extending from the front side of the holding body 3, and a contact elastic piece 1c is formed at the end of the cantilever portion 1b. The contact elastic piece 1c is used for electrical contact with a contact pad on a circuit board or a mating terminal of a mating connector.

[0054] As Figures 1 to 13As shown, in the illustrated embodiment, a window 30 is formed on the holding body 3. The ground terminal 1 and the signal terminal 1' respectively have welding portions 1a exposed from the window 30 of the holding body 3. The welding portion 1a of the ground terminal 1 is used to weld to the ground wire 41 of the cable 4, and the welding portion 1a of the signal terminal 1' is used to weld to the signal wire 42 of the cable 4.

[0055] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module further includes a plurality of cables 4. The plurality of cables 4 respectively have two ground wires 41 and a pair of signal wires 42 located between the two ground wires 41. The two ground wires 41 of the cable 4 are respectively welded to the top surfaces of the welding portions 1a of two adjacent ground terminals 1, and the pair of signal wires 42 of the cable 4 are respectively welded to the top surfaces of the welding portions 1a of a pair of signal terminals 1'.

[0056] As Figures 1 to 13 shown, in the illustrated embodiment, a plurality of positioning grooves 31 are formed at the top of the rear side of the holding body 3, and the plurality of cables 4 are respectively positioned in the plurality of positioning grooves 31 of the holding body 3.

[0057] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module further includes a plurality of welding pads 2. The plurality of welding pads 2 have a predetermined thickness and are respectively welded to the top surfaces of the welding portions 1a of the plurality of ground terminals 1. The welding pads 2 protrude from the top surface of the welding portion 1a of the ground terminal 1 by a predetermined height, and are used to define the welding positions of the ground wires 41 located beside them.

[0058] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module further includes an upper shielding cover 51. The upper shielding cover 51 is disposed in the top opening of the window 30 of the holding body 3. The upper shielding cover 51 has a plurality of upper welding protrusions 51a and a plurality of upper welding tails 51b. The plurality of upper welding protrusions 51a are respectively welded to the top surfaces of the plurality of welding pads 2. The plurality of upper welding tails 51b are respectively welded to the exposed shielding layers of the plurality of cables 4.

[0059] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module further includes a lower shielding cover 52. The lower shielding cover 52 is disposed in the bottom opening of the window 30 of the holding body 3. The lower shielding cover 52 has: a plurality of lower welding protrusions 52a and a plurality of lower welding tails 52b. The plurality of lower welding protrusions 52a are respectively welded to the bottom surfaces of the welding portions 1a of the plurality of ground terminals 1. The plurality of lower welding tails 52b are respectively welded to the exposed shielding layers of the plurality of cables 4.

[0060] As Figures 1 to 13As shown, in the illustrated embodiment, a plurality of shielding cavities 50 are defined between the upper shielding cover 51 and the lower shielding cover 52, and two adjacent shielding cavities 50 are isolated from each other. Two ground wires 41 and a pair of signal wires 42 of each cable 4 are received in a corresponding shielding cavity 50, so that two adjacent cables 4 are isolated from each other. The welding portions 1a of each pair of signal terminals 1' are received in a corresponding shielding cavity 50, so that the welding portions 1a of two adjacent pairs of signal terminals 1' are isolated from each other. In this way, the ground shielding effect and signal integrity can be improved.

[0061] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module further includes an injection molded body 6. The injection molded body 6 is injection molded in the window 30 of the holding body 3 to fill the window 30 of the holding body 3. The injection molded body 6 holds a plurality of cables 4, a plurality of upper shielding covers 51, and a plurality of lower shielding covers 52 to the holding body 3.

[0062] As Figures 1 to 13 shown, in the illustrated embodiment, the electrical connection module further includes an upper shielding member 71 and a lower shielding member 72. The upper shielding member 71 is located above the cantilever portions 1b of a plurality of ground terminals 1 and a plurality of pairs of signal terminals 1' and has a plurality of upper welding portions 71a respectively welded to the top surfaces of the cantilever portions 1b of the plurality of ground terminals 1. The lower shielding member 72 is located below the cantilever portions 1b of a plurality of ground terminals 1 and a plurality of pairs of signal terminals 1' and has a plurality of lower welding portions 72a respectively welded to the bottom surfaces of the cantilever portions 1b of the plurality of ground terminals 1.

[0063] As Figures 1 to 13 shown, in the illustrated embodiment, a plurality of shielding chambers 70 are defined between the upper shielding member 71 and the lower shielding member 72, and two adjacent shielding chambers 70 are isolated from each other. The cantilever portion 1b of each pair of signal terminals 1' is received in a corresponding shielding chamber 70, so that the cantilever portions 1b of two adjacent pairs of signal terminals 1' are isolated from each other. In this way, the ground shielding effect and signal integrity can be further improved.

[0064] As Figures 1 to 13 shown, in another exemplary embodiment of the present invention, a connector is further disclosed. The connector includes: a housing (not shown); and the aforementioned electrical connection module, which is mounted in the housing.

[0065] As Figures 1 to 13 shown, in the illustrated embodiment, the connector may include a plurality of electrical connection modules, and the plurality of electrical connection modules are mounted in the housing side by side.

[0066] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements to them. The structures described in various embodiments can be freely combined without conflict in terms of structure or principle, and these changes should reasonably fall within the protection scope of the present utility model.

[0067] Although the present utility model has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present utility model and should not be construed as a limitation on the present utility model.

[0068] Although some embodiments of the general concept of the present utility model have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

[0069] It should be noted that the term "comprising" does not exclude other elements or steps, and the term "a" or "an" does not exclude a plurality. Additionally, any element number in the claims should not be construed as limiting the scope of the present utility model.

Claims

1. A grounding member, characterized in that: include: A plurality of grounding terminals (1) are arranged in a row in a transverse direction; and a connecting strip (11), extending in the transverse direction and connected to one end of the plurality of grounding terminals (1), The grounding piece (10) is an integrated stamped part.

2. The grounding piece according to claim 1, characterized in that: Two adjacent ground terminals (1) are spaced apart by a predetermined distance in the lateral direction to allow a pair of signal terminals (1') to be arranged between the two adjacent ground terminals (1).

3. The grounding piece according to claim 1, characterized in that: The grounding terminal (1) extends in the longitudinal direction and has a front end and a rear end opposite to each other in the longitudinal direction, and the connecting strip (11) is connected to the rear ends of the plurality of grounding terminals (1).

4. The grounding piece according to claim 3, characterized in that: A contact spring (1c) is formed at the front end of the grounding terminal (1), and the contact spring (1c) is used to electrically contact a contact pad on a circuit board or a mating terminal of a mating connector.

5. The grounding piece according to claim 4, characterized in that: The two outermost grounding terminals (1) in a row of grounding terminals (1) each have a single contact spring (1c) for electrically contacting a single contact pad or a single mating terminal; The other grounding terminals (1) in a row of grounding terminals (1), except the two outermost grounding terminals (1), respectively have two contact springs (1c) arranged side by side, and are used to respectively make electrical contact with two contact pads or two mating terminals.

6. An electrical connection module, characterized in that: include: The grounding piece (10) according to any one of claims 1 to 5; A plurality of pairs of signal terminals (1'), each pair of signal terminals (1') being arranged side by side between two adjacent grounding terminals (1) of the grounding member (10); and A retaining body (3) for retaining the grounding member (10) and the plurality of pairs of signal terminals (1'), The ground terminal (1) and a portion of the signal terminal (1') are embedded in the retaining body (3), and the connecting strip (11) of the grounding member (10) is embedded in the retaining body (3).

7. The electrical connection module according to claim 6, characterized in that: The retaining body (3) is an injection-molded part that is directly injection-molded onto the grounding piece (10) and the plurality of pairs of signal terminals (1'), so that the grounding piece (10), the plurality of pairs of signal terminals (1') and the retaining body (3) form an integral part.

8. The electrical connection module according to claim 6, characterized in that: The ground terminal (1) and the signal terminal (1') respectively have a cantilever portion (1b) extending from the front side of the retaining body (3), and a contact spring (1c) is formed at the end of the cantilever portion (1b). The contact spring (1c) is used to electrically contact a contact pad on a circuit board or a mating terminal of a mating connector.

9. The electrical connection module according to claim 8, characterized in that: A window (30) is formed on the retaining body (3), and the grounding terminal (1) and the signal terminal (1') respectively have a welding portion (1a) exposed from the window (30) of the retaining body (3), the welding portion (1a) of the grounding terminal (1) is used to be welded to a grounding wire (41) of a cable (4), and the welding portion (1a) of the signal terminal (1') is used to be welded to a signal wire (42) of the cable (4).

10. The electrical connection module according to claim 9, characterized in that: Also includes: A plurality of cables (4), each having two grounding wires (41) and a pair of signal wires (42) located between the two grounding wires (41), The two grounding wires (41) of the cable (4) are respectively welded to the top surfaces of the welding portions (1a) of two adjacent grounding terminals (1), and the pair of signal wires (42) of the cable (4) are respectively welded to the top surfaces of the welding portions (1a) of the pair of signal terminals (1').

11. The electrical connection module according to claim 10, characterized in that: A plurality of positioning grooves (31) are formed on the top of the rear side of the retaining body (3), and the plurality of cables (4) are respectively positioned in the plurality of positioning grooves (31) of the retaining body (3).

12. The electrical connection module according to claim 10, characterized in that: Also includes: A plurality of welding pads (2) having a predetermined thickness and being welded to the top surfaces of the welding portions (1a) of the plurality of ground terminals (1), respectively; The welding pad (2) protrudes from the top surface of the welding portion (1a) of the grounding terminal (1) by a predetermined height, and is used to define a welding position of a grounding wire (41) located next to it.

13. The electrical connection module according to claim 12, characterized in that: Also includes: an upper shielding cover (51) disposed in the top opening of the window (30) of the holding body (3), The upper shielding cover (51) has: A plurality of upper welding protrusions (51a) are respectively welded to the top surfaces of the plurality of welding pads (2); and A plurality of upper welding tail pieces (51b) are respectively welded to the exposed shielding layers of the plurality of cables (4).

14. The electrical connection module according to claim 13, characterized in that: Also includes: A lower shielding cover (52) is arranged in the bottom opening of the window (30) of the holding body (3), The lower shielding cover (52) has: A plurality of lower welding protrusions (52a) are respectively welded to the bottom surfaces of the welding portions (1a) of the plurality of ground terminals (1); and A plurality of lower welding tail pieces (52b) are respectively welded to the exposed shielding layers of the plurality of cables (4).

15. The electrical connection module according to claim 14, characterized in that: A plurality of shielding cavities (50) are defined between the upper shielding cover (51) and the lower shielding cover (52), and two adjacent shielding cavities (50) are isolated from each other; Two grounding wires (41) and a pair of signal wires (42) of each cable (4) are accommodated in a corresponding shielding cavity (50), so that two adjacent cables (4) are isolated; The soldering portions (1a) of each pair of signal terminals (1') are accommodated in a corresponding shielding cavity (50), so that the soldering portions (1a) of two adjacent pairs of signal terminals (1') are isolated.

16. The electrical connection module according to claim 15, characterized in that: Also includes: An injection molded body (6) is injection molded in the window (30) of the retaining body (3) to fill the window (30) of the retaining body (3), The injection molded body (6) holds the plurality of cables (4), the plurality of upper shielding covers (51), and the plurality of lower shielding covers (52) to the holding body (3).

17. The electrical connection module according to claim 8, characterized in that: Also includes: An upper shielding member (71) is located above the cantilever portions (1b) of the plurality of grounding terminals (1) and the plurality of pairs of signal terminals (1') and has a plurality of upper welding portions (71a) respectively welded to the top surfaces of the cantilever portions (1b) of the plurality of grounding terminals (1); and The lower shielding member (72) is located below the cantilever portions (1b) of the plurality of grounding terminals (1) and the plurality of pairs of signal terminals (1') and has a plurality of lower welding portions (72a) respectively welded to the bottom surfaces of the cantilever portions (1b) of the plurality of grounding terminals (1).

18. The electrical connection module according to claim 17, characterized in that: A plurality of shielding chambers (70) are defined between the upper shielding member (71) and the lower shielding member (72), and two adjacent shielding chambers (70) are isolated from each other. The cantilevered portion (1b) of each pair of signal terminals (1') is accommodated in a corresponding shielding chamber (70), so that the cantilevered portions (1b) of two adjacent pairs of signal terminals (1') are isolated.

19. A connector, characterized in that: include: case; and The electrical connection module according to any one of claims 6 to 18 is installed in the housing.

20. The connector according to claim 19, characterized in that: The connector includes a plurality of electrical connection modules which are mounted side by side in the housing.

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