Electric connector and crosstalk suppression method thereof

Abstract

The invention relates to an electric connector and a crosstalk suppression method thereof, the electric connector comprises a connecting piece and a plurality of contact pieces, the contact pieces are used as ground structures, and the connecting piece is used for electrically connecting two adjacent contact pieces with opposite current directions on two sides of a same pair of differential lines. Adjacent grounds are short-circuited through a simple metal structure, so that reverse currents in grounds on the left side and the right side of the same pair of differential lines are counteracted, the corresponding current intensity in the ground structure is reduced, and crosstalk of the differential lines to adjacent differential lines is reduced.

Description

Technical Field

[0001] The present application relates to an electrical connector and a crosstalk suppression method thereof, and belongs to the technical field of electrical signal transmission equipment. Background Art

[0002] For electrical connectors, low crosstalk between signal lines is a prerequisite for ensuring high-speed signal transmission. As the power density and transmission rate of high-speed connectors increase, the spacing between signal lines inside the electrical connector becomes smaller and smaller, resulting in increasingly serious crosstalk between signal lines inside the connector. For example, the signals inside some electrical connectors are mainly differential signals, and adjacent differential signals are isolated by ground structures. The differential pairs affect each other through the ground structure, which easily leads to crosstalk.

[0003] Specifically, in an ideal differential transmission line, the two conductors (positive differential line and negative differential line) should have the same characteristic impedance and match the impedance of the signal source and load. In reality, due to the influence of structure and design of high-speed connectors, the differential transmission line cannot achieve perfect matching of characteristic impedance. When the characteristic impedance of the differential line does not match, the signal will encounter reflection and transmission loss during transmission, affecting the integrity of the signal. When the signal encounters an impedance discontinuity point on the transmission line, part of the signal will be reflected back to form a standing wave. At certain frequencies, the standing wave phenomenon may cause the voltage and current on the transmission line to reach a resonant state, that is, resonance. Due to the existence of standing waves and resonance, the signal on the differential line may affect the adjacent differential line through the ground structure. This effect is usually due to the discontinuity or unevenness of the ground structure, which causes crosstalk when the signal propagates in the ground structure.

[0004] In view of the above crosstalk problem, the existing solutions include: increasing the spacing between differential pairs; adding a specific ground structure (such as an electromagnetic bandgap) inside the high-speed connector; adding a metal shielding structure, etc. Due to the high power density limitation of high-speed connectors, the increase in the spacing between differential pairs is limited, and the improvement of crosstalk is limited. The specific ground structure and metal shielding structure will bring challenges to the design and process of high-speed connectors. Summary of the invention

[0005] The present invention provides an electrical connector and a crosstalk suppression method thereof, aiming to solve at least one of the technical problems existing in the prior art. For example, the electrical connector and the crosstalk suppression method thereof proposed by the present invention short-circuits adjacent grounds through a simple metal structure, so that the reverse currents in the grounds on the left and right sides of the same pair of differential lines cancel each other out, reduce the corresponding current intensity in the ground structure, and reduce the crosstalk between the differential lines and adjacent differential lines.

[0006] The technical solution of the present invention relates to an electrical connector on one hand, which comprises:

[0007] A plurality of contacts as a ground structure;

[0008] The connecting piece is used to electrically connect two adjacent contact pieces with opposite current directions on both sides of the same pair of differential lines.

[0009] Furthermore, it also includes a metal shell, the contact member includes a spacer, and the connecting member includes a spring sheet, and the spring sheet connects the spacer and the metal shell.

[0010] Furthermore, a plurality of the spring sheets are provided, and each of the spring sheets is connected to one side of each of the spacers.

[0011] Furthermore, the contact member includes a plurality of spacers, and the connecting member connects all of the spacers.

[0012] Furthermore, the connecting member includes a plurality of elastic touch plates and a connecting plate connecting the plurality of elastic touch plates, and each of the elastic touch plates is connected to one side of each of the spacers.

[0013] Furthermore, the contact member includes a pad for connecting to a circuit board, the pad is provided with a plurality of grounding points, and the connecting member includes a connecting frame, and the connecting frame connects all the grounding points.

[0014] Furthermore, the contact member includes a plurality of ground conductors connected to the shielding member of the transmission cable, and the connecting member includes a connecting frame connecting all the ground conductors.

[0015] Furthermore, the connecting frame includes a plurality of protrusions and a connecting rod connecting the plurality of protrusions, and each of the protrusions is connected to each of the ground guides.

[0016] Furthermore, the contact member includes a spacer, and the connecting member includes a line card board, and the line card board is in contact with a plurality of the spacers.

[0017] Another aspect of the technical solution of the present invention relates to a crosstalk suppression method for an electrical connector, which is applied to the electrical connector described in the above embodiment, wherein ground structures are provided on both sides of the same pair of differential signal lines of the electrical connector; the crosstalk suppression method comprises: short-circuiting two adjacent ground structures with opposite current directions on both sides of the same pair of differential signal lines.

[0018] The beneficial effects produced by the technical solution of the present invention are at least as follows.

[0019] The electrical connector and the crosstalk suppression method of the present invention are based on the principle that the ground currents on the left and right sides of the differential line are in opposite directions. The grounds on the left and right sides are short-circuited, and the reverse currents in the grounds cancel each other out, thereby reducing the resonant current in the ground structure of the high-speed connector. The adjacent grounds are short-circuited by a simple metal structure, so that the reverse currents in the grounds on the left and right sides of the same pair of differential lines cancel each other out, reducing the corresponding current intensity in the ground structure, and reducing the crosstalk of the differential line to the adjacent differential line. It achieves crosstalk suppression of the electrical connector by adding a simple connector and short-circuiting two contact members with opposite current directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the structure of a spacer and a spring piece of an electrical connector according to an embodiment of the present invention.

[0021] Figure 2 4 is a cross-sectional view of the structure of the spacer and the spring of the electrical connector according to the embodiment of the present invention.

[0022] Figure 3 1 is a structural exploded view of a spacer and a spring of an electrical connector according to an embodiment of the present invention.

[0023] Figure 4 4 is a front view of the structure of the spacer and the spring sheet according to an embodiment of the present invention.

[0024] Figure 5 Schematic diagram of the structure of a spacer and a resilient contact plate of an electrical connector according to an embodiment of the present invention.

[0025] Figure 6 FIG. 1 is a schematic structural diagram of an elastic contact plate and a plastic component of an electrical connector according to an embodiment of the present invention.

[0026] Figure 7 4 is a cross-sectional view of the structure of the spacer and the elastic contact plate of the electrical connector according to the embodiment of the present invention.

[0027] Figure 8 yes Figure 7 A magnified schematic diagram of center A.

[0028] Fig. 9 Schematic diagram of the structure of the elastic touch panel and the connecting panel according to an embodiment of the present invention.

[0029] Fig.10 Schematic diagram of the structure of a spacer and a line card of an electrical connector according to an embodiment of the present invention.

[0030] Fig.11 1 is a schematic structural diagram of a gasket and a connection frame of an electrical connector according to an embodiment of the present invention.

[0031] Fig.12It is a schematic structural diagram of the cushion member, the connection frame and the conductive member in an embodiment of the present invention.

[0032] Fig.13 Schematic diagram of the structure of the ground conductor and the connecting frame according to an embodiment of the present invention.

[0033] Fig.14 Schematic diagram of the structure of a circuit board according to an embodiment of the present invention.

[0034] Fig.15 FIG. 2 is a simplified diagram showing the direction of current flow inside an electrical connector according to an embodiment of the present invention.

[0035] Fig.16 1 is a diagram showing the effect of suppressing near-end crosstalk of the electrical connector according to an embodiment of the present invention.

[0036] Fig.17 1 is a diagram showing the effect of suppressing far-end crosstalk of the electrical connector according to an embodiment of the present invention.

[0037] Description of reference numerals:

[0038] 100, electrical connector; 110, metal shell; 120, plastic part; 121, positioning auxiliary groove; 130, circuit board; 140, conductive part; 150, transmission cable; 151, differential line; 152, shielding part;

[0039] 200, contact member; 210, spacer; 220, pad; 221, differential contact; 230, ground conductor;

[0040] 300, connector; 310, spring; 320, elastic contact plate; 321, long plate; 322, connecting plate; 323, connecting protrusion; 324, contact position; 325, chamfered position; 330, line card board; 340, connecting frame; 341, contact through hole; 350, connecting frame; 351, protrusion; 352, connecting rod. DETAILED DESCRIPTION

[0041] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments and features in the embodiments herein can be combined with each other without conflict.

[0042] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or it may be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, top, bottom, etc. used herein are only relative to the relative positional relationship of the components of the present invention in the drawings.

[0043] In addition, unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments, not for limiting the present invention. The term "and / or" used herein includes any combination of one or more related listed items.

[0044] It should be understood that, although the terms first, second, third, etc. may be used to describe various elements in the present disclosure, these elements should not be limited to these terms. These terms are only used to distinguish elements of the same type from each other. For example, without departing from the scope of the present disclosure, the first element may also be referred to as the second element, and similarly, the second element may also be referred to as the first element.

[0045] See also Figures 1 to 15 The electrical connector 100 of the technical solution of the present invention comprises a connector 300 and a plurality of contacts 200, wherein the contacts 200 are used as a ground structure, and the connector 300 is used to electrically connect two adjacent contacts 200 with opposite current directions on both sides of the same pair of differential lines 151. The present invention short-circuits adjacent grounds through a simple metal structure, so that the reverse currents in the grounds on the left and right sides of the same pair of differential lines 151 cancel each other, reduce the corresponding current intensity in the ground structure, and reduce the crosstalk of the differential line 151 to the adjacent differential line 151.

[0046] See also Figure 1 The electrical connector 100 includes a plug assembly and a socket assembly, and the plug assembly is connected to the socket assembly to achieve signal transmission. Specifically, the plug assembly is used to connect the transmission cable 150, and the transmission cable 150 is connected to one end of the conductive member 140 in the plug assembly. The socket assembly is used to connect the circuit board 130, and the circuit board 130 is connected to the cushion member 220 in the socket assembly. The plug assembly is inserted into the socket assembly, and the other end of the conductive member 140 is connected to the cushion member 220, thereby achieving signal transmission.

[0047] See also Figure 1 and Fig.14 , the two contacts of the circuit board 130 as the differential pair are respectively connected to one end of the two conductive members 140 (as a group of conductive members 140), and the transmission cable 150 is provided with two signal lines as a group of differential lines 151, and the other ends of the two conductive members 140 are respectively connected to the two signal lines in the transmission cable 150. The present invention singles out the grounding of the shielding structure in the transmission cable 150, wherein the shielding layer is wrapped in the outermost insulating layer of the transmission cable 150, and an insulating medium is provided between the signal line and the shielding layer. The contacts in the circuit board 130 are correspondingly arranged so that each differential pair is spaced apart from each GND ground, that is, two ground contacts (see Fig.14 A pair of differential contacts 221 are set between GND in.

[0048] In some embodiments, the plug assembly and the socket assembly are both provided with a spacer 210 as a ground structure. Multiple spacers 210 are spliced ​​to form an independent space for shielding. Each group of conductive members 140 is respectively provided in an independent space, which can form a surrounding separation of the conductive members 140, and play a good role in shielding interference. The spacers 210 in the high-speed connector include a plug spacer 210 and a socket spacer 210. The spacer 210 is connected to the ground point of the circuit board 130. The same pair of differential lines 151 are built between the two spacers 210 as the ground structure of the electrical connector 100, see Fig.15 The red arrow in (Brief Description) represents the direction of the ground current, and the current directions of the two adjacent grounds in the same pair of differential lines 151 in the high-speed connector are opposite. Due to the influence of the structure and design of existing high-speed connectors, the differential transmission lines cannot achieve perfect matching of characteristic impedances. Therefore, standing waves, i.e. resonance, are easily formed in the ground structure, causing the differential line 151 to attack the adjacent differential line 151 and other differential lines 151 through the ground structure, thereby forming crosstalk. Among them, the differential line 151 that is closest to the ground is most affected by the crosstalk. When the signal in the differential line changes, a return current will be generated in the ground structure. It can be understood that when the differential signal current flows through a structure with mismatched characteristic impedance, the signal current (including the current in the signal path and the signal return path) may produce reflection. See Fig.14 In the present invention, the signals are distributed at equal intervals according to GSSD (i.e., in the order of GND, differential signal +, differential signal -, GND), and there is a ground structure around the differential signal line, and even the ground structure is close to the differential signal line, then a corresponding current will inevitably be generated in the ground structure, then the currents flowing through the four GSSD paths are the same in magnitude, and the current directions of adjacent conductors are opposite.

[0049] Specifically, crosstalk can cause the signal in the differential line to induce current in the adjacent differential line and ground structure. This induced current may form a loop in the ground structure, especially in places where the ground structure is uneven or there is impedance discontinuity. That is, if the ground structure is discontinuous or there is impedance mismatch, these return currents may form a loop in the ground structure, resulting in opposite current directions in adjacent ground structures in the same pair of differential lines. Among them, adjacent differential pairs will share a single-side signal return path, such as Fig.14 In the differential pair 1 and differential pair 2, if the differential pair 1 causes current fluctuations due to the discontinuity of the structure or characteristic impedance in actual applications (where high-frequency currents can vary with time and space, and the current fluctuations mentioned here are relative to the normal current fluctuations), the fluctuating current in the differential pair 1 can interfere with the differential pair 2 through the adjacent GND. At the same time, the electromagnetic field generated by the changing current is more likely to break away from the field source, be emitted through space, and couple to other differential pairs.

[0050] For an electrical connector 100 having ground structures on both sides of the same pair of differential signal lines, the crosstalk suppression method of the electrical connector 100 of the technical solution of the present invention at least includes the step of short-circuiting adjacent ground structures with opposite current directions. Further, the crosstalk suppression method of the electrical connector 100 of the technical solution of the present invention at least includes the step of short-circuiting two adjacent ground structures with opposite current directions on both sides of the same pair of differential signal lines. Specifically, the present invention adopts a connector 300 to electrically connect two adjacent contact members 200 as ground structures, and short-circuits adjacent grounds through a simple metal structure, so that the reverse currents in the grounds on the left and right sides of the same pair of differential lines 151 cancel each other, reduce the corresponding current intensity in the ground structure, and reduce the crosstalk of the differential line 151 to the adjacent differential line 151. It should be noted that the position of short-circuiting the adjacent ground structures can be any position, among which short-circuiting the standing wave point has the best effect on improving crosstalk.

[0051] In some embodiments, in the crosstalk suppression method of the embodiment of the present invention, the position of the short-circuited ground structure of the connector 300 is a short circuit at any position in the adjacent ground structure. In some embodiments, the position of the short-circuited ground structure of the connector 300 is a short circuit at a resonance point in the adjacent ground structure. In some embodiments, the position of the short-circuited ground structure of the connector 300 is a short circuit of the adjacent ground structure in the transition region. For example, in the transition region where the cushion 200 is connected to the conductive member 140, all ground structures are short-circuited by the connecting frame 340 as the connector 300 to achieve the short circuit of the adjacent ground structure in the transition region. For example, in the transition region where the plug assembly is connected to the socket assembly, the spacer 210 is short-circuited with the metal shell 110 by the spring 310 as the connector 300 to achieve the short circuit of the adjacent ground structure in the transition region. For example, in the transition region where the conductive member 140 is connected to the transmission cable 150, all ground structures are short-circuited by the line card board 330 as the connector 300 to achieve the short circuit of the adjacent ground structure in the transition region. It should be noted that the above structure is only for example and is not specifically limited.

[0052] See also Fig.16 and Fig.17 After adopting the crosstalk suppression method of the present invention, the near-end crosstalk of the high-speed connector is reduced, which can be seen at the peak of the red curve without the short-circuit structure and the crosstalk of the blue dot curve with the short-circuit structure (see Fig.16 It can be seen at the peak of the red curve without shorting that the crosstalk of the blue dot curve with shorting is reduced (see Fig.17 Here, a specific embodiment is used to illustrate that, according to the definition of crosstalk of high-speed differential signal lines, crosstalk is the interference of the transmitter (TX) to the receiver (RX), for example, see Fig.14In the definition, the differential pairs 1, 2, 3...n in the interface are defined as the transmitting port TX, and the differential pairs n+1, n+2, n+3...n+n in the interface are defined as the receiving port RX. For connector interface a and connector interface b, the TX of interface a and the RX of interface b are in the same channel, and the RX of interface a and the TX of interface b are in the same channel. Here, taking differential pair 1 as the attack line as an example, we have: 1. If differential pair 1 is the TX attack source, the measurement result of the spatially close RX (differential pairs n+1, n+2, n+3...n+n) position is the near-end crosstalk (see Fig.16 ), and the measurement structure of the differential pair n+1 position of interface a is the worst near-end crosstalk. 2. If differential pair 1 is the TX attack source, the measurement result of the spatially distant RX (differential pair 1, 2, 3...n) position is the far-end crosstalk (see Fig.17 ), and the differential pair 2 position measurement structure of interface b is the worst far-end crosstalk.

[0053] In some embodiments, the electrical connector 100 includes a connector 300, a metal shell 110, and a plurality of spacers 210 as contact members 200, wherein the connector 300 connects the metal shell 110 and the spacers 210. Figures 1 to 3 The metal shell 110 is a conductive metal base in the socket assembly, and the contact 200 is a spacer 210 used to separate the conductive member 140 in the plug assembly. The spacer 210 is connected to the ground point of the circuit board 130 and can be used as the ground conductor (i.e., ground structure) of the electrical connector 100. When the plug assembly is inserted into the socket assembly, the spacer 210 enters the inner cavity of the metal shell 110. By adding a connector 300 on the side of the spacer 210 and touching the metal shell 110 with the connector 300, the spacer 210 is short-circuited, thereby realizing the short-circuit of adjacent ground structures.

[0054] In some specific embodiments, the connector 300 may include a plurality of conductive springs 310, such as metal springs 310, one side of each spring 310 is connected to the side of the diaphragm 210, which is equivalent to a branch growing on the side of the diaphragm 210 as a ground structure, and the other side of the spring 310 is allowed to elastically touch the metal base, thereby realizing a short circuit of the ground structure. It is understandable that one spring 310 may be connected to each of the opposite sides of the diaphragm 210, so that both sides of the diaphragm 210 are electrically connected to the metal shell 110. It should be noted that the diaphragm 210 and the spring 310 may be an integrated structure.

[0055] In some specific embodiments, the contact member 200 is a plurality of spacers 210, and the plurality of spacers 210 are arranged side by side. A conductive member 140 connected to the same pair of differential signals of the transmission cable 150 is placed between two spacers 210, and the spacer 210 is connected to the ground of the transmission cable 150. Figure 2 and Figure 4The spacer 210 is a plate-shaped structure, the spring piece 310 is an elongated plate, the upper end of the spring piece 310 is connected to the outer lower end of the spacer 210 , and the lower end of the spring piece 310 protrudes from the spacer 210 to be connected to the metal shell 110 .

[0056] Here is a specific example to illustrate, see Figures 1 to 4 The plug assembly includes a plug housing and a plurality of spacers 210, the plug housing can be a plastic shell, the socket assembly includes a socket housing, the socket housing can be a metal shell 110, and the insertion end of the plug housing is provided with a positioning auxiliary groove 121 (see Figure 6 ), the spacer 210 is arranged in the plug housing, and the spring sheet 310 is arranged outside one end of the spacer 210 close to the insertion end of the plug housing, so that the spring sheet 310 can pass through the positioning auxiliary groove 121 and be exposed to the plug housing. When the plug assembly is inserted into the socket assembly, the plug housing enters into the socket housing, and the exposed spring sheet 310 can contact the socket housing, so that the spacer 210 and the metal shell 110 are connected through the spring sheet 310, so that the adjacent spacers 210 as the ground structure are short-circuited.

[0057] In some embodiments, the electrical connector 100 includes a connector 300 and a plurality of spacers 210. The plurality of spacers 210 are connected by the connector 300, so that the plurality of spacers 210 as the ground structure are short-circuited. Further, the connector 300 includes a plurality of elastic contact pads 320 and a connecting plate 322 connecting the plurality of elastic contact pads 320. The number of the elastic contact pads 320 corresponds to the number of the spacers 210, and each elastic contact pad 320 is connected to one side of each spacer 210. Figure 5 and Fig. 9 The connecting plate 322 is in the shape of a long strip, and a plurality of elastic touch plates 320 are connected to the same long side of the connecting plate 322. When the elastic touch plate 320 contacts two adjacent spacers 210, the adjacent spacers 210 are short-circuited through the connecting plate 322, thereby short-circuiting two adjacent grounds with opposite current directions.

[0058] In some embodiments, the connecting plate 322 can be fixed to the plastic member 120 of the electrical connector 100. Figure 6 and Figure 7, the plug housing is a plastic shell, the connecting plate 322 can be fixed to the outside of the plug housing, the spacer 210 is arranged in the plug housing, the insertion end of the plug housing is provided with a positioning auxiliary groove 121, the upper side of the elastic touch plate 320 is connected to the connecting plate 322, and the lower side of the elastic touch plate 320 passes through the positioning auxiliary groove 121 and contacts the side of the spacer 210. Further, the connecting plate 322 is provided with a connecting through hole, and the connecting plate 322 is fixed to the plastic part 120 (such as the plug housing) by the connection column (such as a screw) and the connecting through hole. Further, the connecting through hole can also be deformed and inserted into the plastic shell by a jig. Further, by dripping molten plastic or strong glue into the connecting through hole, the connecting plate 322 is attached to the plug housing, thereby making the connection more secure.

[0059] In some specific embodiments, the elastic touch panel 320 includes two long panels 321, and one end of the two long panels 321 is connected to form a contact position 324 that contacts the spacer 210. Figure 8 and Fig. 9 , one end of the two long plates 321 is connected to form a concave position, the opening of the concave position is facing away from the spacer 210, and the lower side of the concave position is a contact position 324 that contacts the spacer 210. When the connecting plate 322 is connected to the plug housing, the connecting plate 322 and the long plate 321 on the upper side are tilted outward from bottom to top, so that the contact position 324 protrudes from the connecting plate 322 toward the direction close to the plug housing, so that the connecting plate 322 is fixed to the plug housing, and the contact position 324 can pass through the positioning auxiliary groove 121 and contact the spacer 210.

[0060] Further, see Figure 6 and Fig. 9 The connecting plate 322 is provided with a connecting protrusion 323, which protrudes toward the side close to the plug assembly, and is inserted into the plug housing through the connecting protrusion 323, so that the connecting piece 300 is connected to the plug assembly. When the plug assembly is inserted into the socket assembly, the part of the elastic contact plate 320 protruding from the plug housing will be squeezed by the socket housing and shrink inward, so that the contact position 324 is in stress contact with the partition 210, thereby making the ground short-circuiting effect of the connecting piece 300 more stable and reliable.

[0061] In some embodiments, see Fig.10 The connector 300 includes a line card board 330, which contacts with a plurality of spacers 210 to achieve short circuit of the ground structure with opposite currents. Specifically, the line card board 330 may be a metal plate, the shielding layer of the transmission cable 150 is connected to the line card board 330 through the shielding member 152, and a plurality of spacers 210 are arranged in parallel. The line card board 330 is clamped with one side of the plurality of spacers 210 to achieve short circuit of the plurality of spacers 210.

[0062] In some embodiments, the contact member 200 includes a plurality of grounding points, the connector 300 includes a connection frame 340, and the connection frame 340 connects all the grounding points. Further, the contact member 200 includes a pad 220 for connecting the circuit board 130, and a plurality of grounding points are arranged on the pad 220. The connector 300 includes a connection frame 340, and the connection frame 340 connects all the grounding points. Figures 11 to 14 Ground is provided on both sides of each differential pair in the circuit board 130, and the ground currents on both sides are in opposite directions. Accordingly, a plurality of ground contacts and differential contacts 221 are provided on the pad 220. The circuit board 130 is connected to the conductive member 140 via the differential contacts 221 on the pad 220. The ground node can be connected to a plurality of spacers 210 as a ground structure. All the ground contacts are connected by the connecting plate 322, so that ground short circuits with opposite current directions can be realized.

[0063] In some specific embodiments, see Fig.12 , the connection frame 340 is provided with a contact through hole 341 that allows the conductive member 140 connected to the differential signal line to pass through. Specifically, the connection frame 340 is in a flat plate-like shape, and a plurality of contact through holes 341 are provided on the connection frame 340. When the connection frame 340 is connected to the cushion member 220, the connection frame 340 covers all the ground contacts, and the differential contacts 221 are exposed through the contact through holes 341, and the conductive member 140 passes through the contact through holes 341 and contacts the differential contacts 221. Further, two differential contacts 221 are provided in one contact through hole 341, and two conductive members 140 of the same pair of differentials contact the above two differential contacts 221.

[0064] In some embodiments, the contact member 200 includes a plurality of ground conductors 230 connected to the shielding member 152 of the transmission cable 150, and the connector 300 includes a connector frame 350 connecting all the ground conductors 230. Fig.13 , a plurality of elastic conductors are arranged in the electrical connector 100, and the transmission cable 150 and the circuit board 130 are connected through the elastic conductors, wherein the elastic conductors include a conductive member 140 and a ground conductor 230, the conductive member 140 is used to connect the differential line 151 of the transmission cable 150 and the differential contact 221 of the circuit board 130, and the ground conductor 230 is used to connect the shielding member 152 of the transmission cable and the ground contact of the circuit board 130, and two ground conductors 230 are arranged on both sides of the two conductive members 140 connecting the same pair of differential lines 151, and the current directions of the two adjacent ground conductors 230 are opposite. By short-circuiting multiple ground conductors 230 through the connector 300, crosstalk can be effectively suppressed. It can be understood that the ground conductor 230 can be parallel to the conductive member 140.

[0065] In some specific embodiments, participating Fig.13The connecting frame 350 includes a plurality of protrusions 351 and a connecting rod 352 connecting the plurality of protrusions 351. The number of protrusions 351 corresponds to the number of ground conductors 230. Each protrusion 351 is connected to each ground conductor 230, thereby realizing short-circuiting of two ground conductors 230 as ground structures with opposite current directions. Specifically, the connecting rod 352 is in the shape of a square rod, one side of the connecting rod 352 is connected to a plurality of protrusions 351, and the other side of the protrusion 351 contacts the outer side of the ground conductor 230, thereby short-circuiting two adjacent ground conductors 230 with opposite current directions.

[0066] Based on the principle of economy, other embodiments of the present application can refer to the embodiments in the publication documents CN117855967A and CN118040374A of the invention patents previously applied by the applicant, which are incorporated herein by reference in their entirety and are a part of the contents of this article. It can be understood that the embodiments disclosed in these publications and the embodiments described herein can generate new combined technical solutions and solve new technical problems, thus possibly forming an innovative combined invention.

[0067] The above is only a preferred embodiment of the present application. The present application is not limited to the above implementation. As long as the technical effect of the present application is achieved by the same means, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the scope of protection of the present disclosure. All shall belong to the protection scope of the present application. Within the protection scope of the present application, its technical scheme and / or implementation method may have various modifications and changes.

Claims

1. An electrical connector (100), characterized in that: include: A plurality of contact members (200) as a ground structure, at least one pair of differential lines (151) of the electrical connector (100) being arranged between two adjacent contact members (200); A conductive connecting member (300) is provided, wherein the connecting member (300) connects a plurality of the contact members (200).

2. The electrical connector (100) according to claim 1, characterized in that: It also includes a metal shell (110), the contact member (200) includes a spacer (210), the connecting member (300) includes a spring sheet (310), and the spring sheet (310) connects the spacer (210) and the metal shell (110).

3. The electrical connector (100) according to claim 2, characterized in that: A plurality of the elastic sheets (310) are provided, and each of the elastic sheets (310) is connected to one side of each of the spacers (210).

4. The electrical connector (100) according to claim 1, characterized in that: The contact member (200) comprises a plurality of spacers (210), and the connecting member (300) connects all of the spacers (210).

5. The electrical connector (100) according to claim 4, characterized in that: The connecting member (300) comprises a plurality of elastic touch panels (320) and a connecting plate (322) connecting the plurality of elastic touch panels (320), and each of the elastic touch panels (320) is connected to one side of each of the spacers (210).

6. The electrical connector (100) according to claim 1, characterized in that: The contact member (200) comprises a cushion member (220) for connecting to a circuit board (130), wherein the cushion member (220) is provided with a plurality of grounding points, and the connecting member (300) comprises a connecting frame (340), wherein the connecting frame (340) connects all of the grounding points.

7. The electrical connector (100) according to claim 1, characterized in that: The contact member (200) includes a plurality of ground conductors (230) connected to a shielding member (152) of a transmission cable (150), and the connecting member (300) includes a connecting frame (350) connecting all of the ground conductors (230).

8. The electrical connector (100) according to claim 7, characterized in that: The connecting frame (350) comprises a plurality of protrusions (351) and a connecting rod (352) connecting the plurality of protrusions (351), and each of the protrusions (351) is connected to each of the ground guides (230).

9. The electrical connector (100) according to claim 1, characterized in that: The contact member (200) includes a spacer (210), and the connecting member (300) includes a line card board (330), wherein the line card board (330) contacts a plurality of the spacers (210).

10. A method for suppressing crosstalk of an electrical connector (100), applied to the electrical connector (100) according to any one of claims 1 to 9, wherein: Ground structures are arranged on both sides of the same pair of differential signal lines of the electrical connector (100); and the crosstalk suppression method comprises: short-circuiting two adjacent ground structures with opposite current directions on both sides of the same pair of differential signal lines.

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