TWM570549U - Conduction structure of electrical connector - Google Patents

Abstract

A conductive structure of an electrical connector, comprising a plug connector and a socket connector, the plug connector comprising a plug power terminal set, a plug ground terminal set and a plug signal terminal set, the plug power terminal set comprising a plurality a plug power terminal, the plug ground terminal group includes a plurality of plug ground terminals, the plug signal terminal group includes a plurality of plug signal terminals; the socket connector includes a socket power terminal group, a socket ground terminal group, and a socket signal terminal The socket power terminal group includes a plurality of socket power terminals, the socket ground terminal group includes a plurality of socket ground terminals, and the socket signal terminal group includes a plurality of socket signal terminals, wherein the plug connector terminal configuration and the socket connector The terminal is configured in the same manner, the grounding terminal is located between the power terminal and the signal terminal, and a grounding terminal is disposed between at least two adjacent signal terminals of the signal terminal.

Description

Conductive structure of electrical connector

The present invention relates to a conductive structure of an electrical connector, and more particularly to an electrical connector assembly having an electrically conductive structure.

With the diversification of electronic products, the connection between various electronic devices can be achieved by electrical connectors.

Due to the demand for high-speed transmission of signals, there is a problem of crosstalk interference between signal transmission terminals. China's patents M548896 and M548908 propose some solutions to such problems. The M548896 and M548908 mainly set the terminal group in a cylindrical adapter electrical connector. The power terminal is placed in the center of the cylinder, and the ring-shaped ground terminal surrounds. The power terminal is set, and most of the signal terminals are arranged on the outer peripheral surface of the cylindrical type. Although such a structure can shield the power supply terminal by the ground terminal, it does not interfere with the signal terminal, but the loss caused by the crosstalk interference between the pair of signal terminals cannot be solved.

In view of this, the present invention provides a conductive structure of an electrical connector having a plurality of power terminals, a plurality of ground terminals, and a plurality of pairs of signal terminals, the ground terminals being disposed between the power terminals and the signal terminals, and the ground terminals are also located Between two adjacent pairs of signal terminals, the ground terminal can shield the power terminal and the signal terminal, and the ground terminal can also be separated. The effect of the adjacent two pairs of signal terminals prevents signal interference. In addition, another object of the present invention is to provide a conductive structure of an electrical connector, wherein signal terminals are disposed on a circumference having a diameter greater than 13.6 mm, and adjacent signal terminals form a central angle of 25 with each other. Between the degrees of 35 degrees, and the configuration of the above power terminal, grounding terminal and signal terminal, the telecommunication standard TIA/EIA-568-B CAT-5e wiring specification can be achieved by the Telecommunications Industry Association (TIA).

A preferred embodiment of the conductive structure of the present electrical connector includes a plug connector and a receptacle connector. The plug connector comprises a plug power terminal set, a plug ground terminal set and a plug signal terminal set, the plug power terminal set comprises a plurality of plug power terminals, the plug ground terminal group comprises a plurality of plug ground terminals, the plug signal The terminal group includes a plurality of pairs of plug signal terminals, wherein the plug ground terminals are located between the plug power terminals and the pair of plug signal terminals, and at least two adjacent pairs of plug signal terminals of the pair of plug signal terminals There is a plug grounding terminal; the socket connector comprises a socket power terminal group, a socket ground terminal group and a socket signal terminal group, the socket power terminal group comprises a plurality of socket power terminals, and the socket ground terminal group comprises a plurality of a socket ground terminal, the socket signal terminal group includes a plurality of pairs of socket signal terminals, wherein the socket ground terminals are located between the socket power terminals and the pair of socket signal terminals, and at least adjacent to the pair of socket signal terminals a socket ground terminal is arranged between the two pairs of socket signal terminals, wherein When the plug connector is plugged into the socket connector, the plug power terminal group is plugged into the socket power terminal group, the plug ground terminal group is plugged into the socket ground terminal group, and the plug signal terminal group is plugged into the plug connector Socket signal terminal group.

The above and other objects, features and advantages of the present invention will become more apparent from the description of the appended claims.

10‧‧‧ plug connector

11‧‧‧ Plug power terminal set

12‧‧‧Connected ground terminal block

13‧‧‧plug signal terminal group

15‧‧‧Ontology

16‧‧‧Sleeve

20‧‧‧ socket connector

21‧‧‧Socket power terminal group

22‧‧‧Socket ground terminal group

23‧‧‧Socket signal terminal group

25‧‧‧Steps

26‧‧‧ Guide slot

100‧‧‧Electrical connector assembly

110‧‧‧ plug power terminal

120‧‧‧plug ground terminal

130‧‧‧plug signal terminal

151‧‧‧Card fasteners

152‧‧‧Shrap

153‧‧‧Bevel

157‧‧‧Base

158‧‧‧Terminal Block

159‧‧‧ cable seat

161‧‧‧through hole

166‧‧‧ guidance ribs

210‧‧‧Socket power terminal

220‧‧‧Socket grounding terminal

230‧‧‧Socket signal terminal

C1‧‧‧ first round

C2‧‧‧ second round

C3‧‧‧ third round

CB‧‧‧ cable

O1, O2, O3‧‧‧ center

θ, θ1, θ2‧‧‧ center angle

P1, P2, Q1, Q2, R1, S1‧‧‧ curves

1-1 is a perspective view of a preferred embodiment of the conductive structure of the electrical connector of the present invention.

Figure 1-2 is a front elevational view of the conductive structure of the electrical connector of Figure 1-1.

Figure 1-3 is a cross-sectional view taken along line A-A of Figure 1-2.

Figures 1-4 are left side views of Figures 1-2.

Figure 1-5 is a configuration diagram of the socket signal terminals of Figures 1-4.

Figure 2-1 is a partially exploded view of the electrical connector assembly of Figure 1-1.

Figure 2-2 is a front view of Figure 2-1.

Figure 2-3 is a cross-sectional view taken along line B-B of Figure 2-2.

Figure 3 is an exploded perspective view of the plug connector of Figure 1-1.

4 is an exploded perspective view of the receptacle connector of FIG. 1-1.

5 and 6 are graphs of differential near-end crosstalk (NEXT) loss between signal terminals of the conductive structure of the present electrical connector.

7 and 8 are graphs of differential far end crosstalk (FEXT) loss between signal terminals of the conductive structure of the present electrical connector.

Figure 9 is a graph of differential reflection losses for each of the signal terminal pairs of the conductive structure of the present electrical connector.

Figure 10 is a graph of differential common mode conversion of pairs of signal terminals of the conductive structure of the electrical connector of the present invention.

Referring to FIGS. 1-1, 1-2, 1-3, and 1-4, the electrical connector assembly 100 of the present invention includes a plug connector 10 and a receptacle connector 20. The plug connector 10 includes a plug power terminal set 11, a plug ground terminal set 12, and a plug signal terminal set 13, the plug power terminal set 11 includes a plurality of plug power terminals 110, and the plug ground terminal set 12 includes a plurality of plug ground terminals. 120. The plug signal terminal group 13 includes a plurality of pairs of plug signal terminals 130, and the plug ground terminals 120 are located between the plug power terminals 110 and the pair of plug signal terminals 130, and the pair of plug signal terminals 130 A plug ground terminal 120 is disposed between at least two adjacent pairs of plug signal terminals 130.

The socket connector 20 includes a socket power terminal group 21, a socket ground terminal group 22, and a socket signal terminal group 23, wherein when the plug connector 10 is plugged into the socket connector 20, the plug power terminal group 11 is plugged into the socket. The power terminal group 21, the plug ground terminal group 12 are plugged into the socket ground terminal group 22, and the plug signal terminal group 13 is plugged into the socket signal terminal group 23. Moreover, the configurations of the outlet power terminal group 21, the socket ground terminal group 22, and the socket signal terminal group 23 correspond to the configurations of the plug power terminal group 11, the plug ground terminal group 12, and the plug signal terminal group 13, respectively, so that FIG. As shown in FIG. 4, the socket power terminal group 21 includes a plurality of socket power terminals 210, the socket ground terminal group 22 includes a plurality of socket ground terminals 220, and the socket signal terminal group 23 includes a plurality of pairs of socket signal terminals 230; the socket ground terminals 220 are A socket ground terminal 220 is disposed between the socket power terminals 210 and the pair of socket signal terminals 230, and at least two adjacent pairs of socket signal terminals 230 of the pair of socket signal terminals 230.

Since the socket power terminal group 21, the socket ground terminal group 22, and the socket signal terminal group 23 are configured corresponding to the plug power terminal group 11, the plug ground terminal group 12, and the plug, respectively. The configuration of the head signal terminal group 13 is such that the configuration of the plug power terminal group 11, the plug ground terminal group 12, and the plug signal terminal group 13 is configured by the socket power terminal group 21, the socket ground terminal group 22, and the socket signal terminal group 23. For explanation, it will not be described separately.

The pair of socket signal terminals 230 are arranged on a circumference of a first circle C1, and a central angle θ between each socket signal terminal 230 and an adjacent socket signal terminal 230 is greater than or equal to 25 degrees and less than Or equal to 35 degrees. The distance between each socket signal terminal 230 and the same pair of adjacent socket signal terminals 230 is less than the distance from a different pair of adjacent socket signal terminals 230. As shown in FIG. 1-5, a central angle θ1 between each socket signal terminal 230 and a pair of adjacent socket signal terminals 230 is 25 degrees, and each socket signal terminal 230 is adjacent to a different pair. The central angle θ2 formed between the socket signal terminals 230 is 35 degrees; in the present embodiment, the diameter of the first circle C1 is greater than 13.6 mm.

Referring to FIGS. 1-4, one of the socket power terminals 210 is disposed at a center O1 of the first circle C1. The other socket power terminals 210 of the socket power terminals 210 are disposed on the circumference of a second circle C2, and the center O2 of the second circle C2 coincides with the center O1 of the first circle C1. The socket grounding terminals 220 are disposed on a circumference of a third circle C3, and the center O3 of the third circle C3 coincides with the center O1 of the first circle C1 and the center O2 of the second circle C2, and the diameter of the third circle C3 It is smaller than the diameter of the first circle C1 and larger than the diameter of the second circle C2, that is, the socket signal terminal group 23 is at the periphery of the ground terminal group 22, and the socket ground terminal group 22 is located at the periphery of the socket power terminal group 21, and The socket ground terminal group 22 is disposed between the socket signal terminal group 23 and the outlet power terminal group 21. Each socket ground terminal 220 is located between two adjacent socket power terminals 210 such that the socket ground terminals 220 and the other socket power terminals 210 are staggered with each other.

As described above, as shown in Figures 1-4, since the socket ground terminal group 22 is placed in the plug Between the signal signal terminal group 23 and the socket power terminal group 21, the socket ground terminal group 22 can shield the socket signal terminal group 23 from being disturbed by the socket signal terminal group 23. In addition, the socket ground terminal 220 is also disposed between the two pairs of socket signal terminals 230 to prevent signal interference between the socket signal terminals 230 of each socket.

The configuration of the plug connector 10 of the present electrical connector assembly 100 and the terminals of the receptacle connector 20 have been described above, and the configuration of the terminals can achieve the telecommunications standard TIA established by the Telecommunications Industry Association (TIA). /EIA-568-B's wiring specification for CAT-5e.

Please refer to FIG. 5 and FIG. 6 , which show the differential near-end crosstalk loss (NEXT) between the signal terminals of the electrical connector assembly 100 of the present invention. The curve P1 in FIG. 5 and the curve P2 in FIG. 6 represent the telecom specifications. For the reference value of differential near-end crosstalk loss in TIA/EIA-568-B, the remaining curves are the data of the differential near-end crosstalk loss of each signal terminal relative to other signal terminals. See Figure 5 and Figure 6. The differential near-end crosstalk loss between the signal terminals of the present electrical connector assembly 100 is lower than the reference value set by the telecommunications specification TIA/EIA-568-B.

Please refer to FIG. 7 and FIG. 8 , which show the differential far-end crosstalk loss (FEXT) between the signal terminals of the electrical connector assembly 100 of the present invention. The curve Q1 in FIG. 7 and the curve Q2 in FIG. 8 represent the telecom specifications. For the reference value of differential far-end crosstalk loss in TIA/EIA-568-B, the remaining curves are the data of the differential far-end crosstalk loss of each signal terminal relative to other signal terminals. See Figure 7 and Figure 8. The differential far-end crosstalk loss between the signal terminals of the present electrical connector assembly 100 is also lower than the reference value set by the telecommunication specification TIA/EIA-568-B.

Referring to FIG. 9, which shows the differential return loss of the signal terminal of the electrical connector assembly 100 of the present invention, the curve R1 in FIG. 9 represents the return loss in the telecommunication specification TIA/EIA-568-B. The reference value, as can be seen from Figure 9, the electrical connection of this creation Each of the signal terminals of the connector assembly 100 has a return loss that is lower than the reference value set by the telecommunication specification TIA/EIA-568-B.

Referring to FIG. 10, a differential common mode conversion of the signal terminals of the electrical connector assembly 100 of the present invention is shown. The curve S1 in FIG. 10 represents a differential total in the telecommunication specification TIA/EIA-568-B. The reference value of the mode conversion can be seen from FIG. 10, and the differential common mode conversion of each signal terminal pair of the electrical connector assembly 100 of the present invention is lower than the reference value determined by the telecommunication specification TIA/EIA-568-B.

As can be seen from the data shown in Figures 5-10 above, the inventive electrical connector assembly 100 has met the telecommunications specification TIA/EIA-568-B for CAT-5e cabling specifications.

In addition, referring back to FIGS. 1-1 to 1-4 and FIGS. 2-1 to 2-3 and referring to FIGS. 3 and 4, the joint mechanism of the electrical connector assembly 100 of the present invention is explained below. The socket connector 10 includes a body 15 and a sliding sleeve 16. The body 15 includes a base 157, a terminal block 158 and a cable holder 159. A cable CB is inserted into the cable holder 159. The plug power terminal group The plug grounding terminal group 12 and the plug signal terminal group 13 are disposed in the terminal block 158. The terminal block 158 and the cable seat 159 are coupled to the base 157. The body 15 has at least one latching member 151, and the latching member 151 Provided on the base 157, the sliding sleeve 16 is axially slidably disposed on the periphery of the body 15, and the sliding sleeve 16 can push the locking member 151 to move in the radial direction. As shown in FIG. 3, the latching member 151 is disposed on a resilient piece 152. In the present embodiment, the latching member 151 has a triangular pyramidal protrusion and has a slope 153. The sliding sleeve 16 defines a through hole in the outer peripheral wall thereof. 161, the latching member 151 can protrude through the through hole 161 to protrude from the sliding sleeve 16. When the sliding sleeve 16 moves axially along the outer peripheral wall of the body 15, the edge of the through hole 161 can press the inclined surface of the latching member 151. 153, the snap member 151 is moved in the radial direction. When the plug connector 10 is inserted into the socket connector 20, the latching member 151 is engaged with the step portion 25 of the inner peripheral wall of the socket 20, and the sliding sleeve 16 is movable along the axial direction of the body 15 so that the latching member 151 is along The slider member 151 is disengaged from the socket connector 20 by moving radially inwardly to lower, thereby causing the latching member 151 to be disengaged from the step portion 25. Similarly, when the plug connector 10 is to be inserted into the socket connector 20, the sliding sleeve 16 can be moved first, and the latching member 151 is moved downward in the radial direction to be lowered, and the plug connector 10 is inserted into the socket connector. After the device 20, the latching member 151 is again locked by the elastic force of the elastic piece 152, and is engaged to the step portion 25 of the socket 20, so that the plug connector 10 is positioned on the socket connector 20, thereby realizing the push-pull connector. (push-pull connector) structure.

In addition, referring to FIG. 3 and FIG. 4 , since the plug power terminal 110 and the socket power terminal 210 of the present invention have a plurality of and are disposed on the circumference of the first circle C1, the plug power terminal 110 is inserted into the socket power terminal 210. It must be implemented in a certain specific direction; similarly, the grounding terminals of the plug connector 10 and the socket connector 20 have the same requirements when the signal terminals are plugged in, so the sliding sleeve 16 of the plug connector 10 is provided. There is at least one guiding rib 166, and the socket connector 20 is provided with at least one guiding groove 26. When the plug connector 10 is inserted into the socket connector 20, the guiding rib 166 of the plug connector 10 is fitted by In the guiding groove 26 of the socket connector 20, the power terminals, the grounding terminals and the signal terminals of the plug connector 10 and the socket connector 20 can be smoothly inserted.

Therefore, the electrical connector assembly 100 of the present invention enables the electrical connector assembly 100 of the present invention to meet the telecommunications standard established by the Telecommunications Industry Association (TIA) by the arrangement of the positions of the above terminals and the distance between the signal terminals. Standard TIA/EIA-568-B wiring specification for CAT-5e.

The present invention is disclosed in the above preferred embodiments, and is not intended to limit the scope of the present invention. Anyone having ordinary knowledge in the technical field of the present invention can make equal changes without departing from the spirit of the present invention. And retouching, so the scope of protection of this creation is as The scope defined in the appended patent application shall prevail.

Claims (12)

A conductive structure of an electrical connector, comprising: a plug connector comprising a plug power terminal set, a plug ground terminal set and a plug signal terminal set, the plug power terminal set comprising a plurality of plug power terminals, the plug being grounded The terminal group includes a plurality of plug ground terminals, and the plug signal terminal group includes a plurality of plug signal terminals, wherein the plug ground terminals are located between the plug power terminals and the pair of plug signal terminals, and the pair of plug signal terminals a plug ground terminal is disposed between at least two adjacent pairs of plug signal terminals; and a socket connector includes a socket power terminal group, a socket ground terminal group and a socket signal terminal group, and the socket power terminal group includes a plurality of socket power terminals, the socket ground terminal group includes a plurality of socket ground terminals, the socket signal terminal group includes a plurality of pairs of socket signal terminals, wherein the socket ground terminals are located at the socket power terminals and the pair of socket signal terminals And at least two adjacent pairs of the pair of socket signal terminals A socket grounding terminal is disposed between the signal terminals; wherein when the plug connector is plugged into the socket connector, the plug power terminal group is plugged into the socket power terminal group, and the plug grounding terminal group is plugged into the socket a ground terminal group, and the plug signal terminal group is plugged into the socket signal terminal group. The conductive structure of the electrical connector of claim 1, wherein the pair of socket signal terminals are arranged on a circumference of a first circle, and between each socket signal terminal and an adjacent socket signal terminal The resulting central angle is greater than or equal to 25 degrees and less than or equal to 35 degrees. The conductive structure of the electrical connector of claim 2, wherein the distance between each socket signal terminal and the same pair of adjacent socket signal terminals is less than the distance from a different pair of adjacent socket signal terminals. The conductive structure of the electrical connector according to claim 3, wherein each socket signal end The central angle formed between the sub-pair and the adjacent pair of socket signal terminals is 25 degrees, and the central angle formed between each socket signal terminal and a different pair of adjacent socket signal terminals is 35 degrees. The conductive structure of the electrical connector of claim 2, wherein the first circle has a diameter greater than 13.6 mm. The conductive structure of the electrical connector of claim 2, wherein one of the socket power terminals is disposed at a center of the first circle. The conductive structure of the electrical connector of claim 6, wherein the other socket power terminals of the socket power terminals are disposed on a circumference of a second circle, the center of the second circle and the first circle The center of the circle coincides. The conductive structure of the electrical connector of claim 7, wherein the socket grounding terminal is disposed on a circumference of a third circle, a center of the third circle and a center of the first circle and the first The centers of the two circles coincide, and the diameter of the third circle is smaller than the first circle and larger than the second circle. The conductive structure of the electrical connector of claim 8, wherein each of the socket ground terminals is located between two adjacent socket power terminals, such that the socket ground terminals and the other of the socket power terminals The socket power terminals are staggered with each other. The conductive structure of the electrical connector according to any one of claims 1 to 9, wherein the plug power terminal group, the plug ground terminal group, and the plug signal terminal group are respectively configured to correspond to the socket power supply. The configuration of the terminal group, the socket ground terminal group, and the socket signal terminal group. The electrical connector assembly of claim 1, wherein the plug connector comprises a body and a sliding sleeve, the plug power terminal set, the plug ground terminal set, and the plug The signal terminal assembly is disposed on the body, the body has at least one fastening component, the sliding sleeve is axially slidably disposed on the outer periphery of the body, and the sliding sleeve can push the fastening component to move along the radial direction. The buckle is inserted into the socket connector The piece is engageable with a stepped portion of the socket, and the sliding sleeve is movable along the axial direction of the body to move the latching member in a radial direction to disengage the latching member from the stepped portion. The electrical connector assembly of claim 1, wherein the plug connector has at least one guiding rib, the socket connector having at least one guiding slot, when the plug is connected When the connector is inserted into the socket connector, the guiding rib is fitted to the guiding slot, and the at least one guiding rib is formed on the sliding sleeve.