Electrical connectors

Abstract

An electrical connector configured to couple a docking terminal. The electrical connector includes an insulating body, a plurality of signal terminals, a plurality of grounding terminals, and at least one conductive plastic. The insulating body has a receiving groove. The signal terminal is located in the receiving groove. The grounding terminal is located in the receiving groove, and the grounding terminal and the signal terminal are spaced apart. The conductive plastic is located on the top surface of the insulating body facing the docking terminal. When the docking terminal is inserted into the receiving groove of the insulating body, the plurality of grounding terminals of the docking terminal are in electrical contact with the conductive plastic. When this electrical connector is coupled to the docking terminal, the grounding terminal of the electrical connector can be electrically connected to the grounding terminal of the docking terminal through the conductive plastic, thereby avoiding the crosstalk problem between the differential pairs of signals generated during high-speed signal transmission.

Description

Technical Field

[0001] This invention relates to an electrical connector, and more particularly to an electrical connector having a grounding terminal. Background Technology

[0002] To achieve electrical connections between different electronic devices, various forms of electrical connectors exist. Based on their location, electrical connectors can be categorized into wire-end connectors and board-end connectors. Wire-end connectors are located at one end of the cable and are used to mate and couple with board-end connectors, while board-end connectors are mounted on the circuit board. With the continuous advancement and innovation of various electronic products, the performance of new electronic products has significantly improved, and the types of electrical signals have become more diverse, requiring greater bandwidth. Therefore, the demand for high-speed connectors is increasing to meet the needs of high-speed and high-frequency connections.

[0003] However, to meet the demands of large-scale data transmission, the transmission bandwidth of electrical connectors needs to be increased. Furthermore, while increasing the transmission bandwidth, the frequency of the transmitted electronic signals must also be increased. In traditional electrical connectors, crosstalk can easily occur when signal terminals are too close together, thus affecting signal transmission. Summary of the Invention

[0004] One technical embodiment of the present invention is an electrical connector configured to couple to a mating head.

[0005] According to some embodiments of the present invention, an electrical connector includes an insulating body, a plurality of signal terminals, a plurality of ground terminals, and at least one conductive plastic. The insulating body has a receiving groove. The signal terminals are located in the receiving groove. The ground terminals are located in the receiving groove, and are spaced apart from the signal terminals. The conductive plastic is located on the top surface of the insulating body facing the mating connector. When the mating connector is inserted into the receiving groove of the insulating body, the plurality of ground terminals of the mating connector make electrical contact with the conductive plastic.

[0006] In some embodiments, when the aforementioned mating connector is inserted into the receiving slot of the insulating body, the conductive plastic of the electrical connector contacts the grounding terminal of the electrical connector.

[0007] In some embodiments, the conductive plastic has a main body and a plurality of fingers protruding from the main body, the fingers respectively covering a plurality of contact portions of the grounding terminal of the electrical connector.

[0008] In some embodiments, there is a step difference between the end of each of the fingers near the receiving groove and the main body.

[0009] In some embodiments, the main body of the conductive plastic is disposed along the length of the receiving groove of the insulating body.

[0010] In some embodiments, the extension direction of the fingers of the conductive plastic is perpendicular to the length direction of the main body.

[0011] In some embodiments, the distance between adjacent fingers of the conductive plastic is greater than the distance between adjacent signal terminals.

[0012] In some embodiments, each of the grounding terminals of the above-mentioned electrical connector includes a contact portion, a fixing portion, and a soldering portion connected in sequence, with the contact portion corresponding to the finger position of the conductive plastic.

[0013] In some embodiments, when the connector is inserted into the receiving groove of the insulating body, each of the contacts electrically contacts one of the grounding terminals of the connector and one of the conductive plastic fingers.

[0014] In some embodiments, there are multiple conductive plastics, and the conductive plastics are located on opposite sides of the insulating body.

[0015] In the above embodiments of the present invention, since the electrical connector has conductive plastic, and the conductive plastic is located on the top surface of the insulating body facing the mating connector, when the mating connector is inserted into the receiving groove of the insulating body of the electrical connector, the grounding terminal of the mating connector can make electrical contact with the conductive plastic, and the grounding terminal of the electrical connector can make electrical contact with the grounding terminal of the mating connector respectively. This allows the grounding terminal of the electrical connector to make electrical contact with the conductive plastic due to pressure from the grounding terminal of the mating connector. Through this design, when coupled with the mating connector, the grounding terminal of the electrical connector can be made conductive with the grounding terminal of the mating connector via the conductive plastic, avoiding crosstalk problems between signal differential pairs during high-speed signal transmission. Therefore, it can meet the requirements of high-frequency signal transmission, which is beneficial for increasing transmission bandwidth and electronic signal frequency, and is suitable for large-volume data transmission needs. Attached Figure Description

[0016] When accompanied by Figure 1 When reading this document, the best understanding of the invention can be obtained from the embodiments described below. Note that, according to standard industry practice, the various features are not drawn to scale. In fact, the dimensions of the various features may be increased or decreased arbitrarily for clarity of explanation.

[0017] Figure 1 A perspective view is shown of an electrical connector and mating head according to an embodiment of the present invention, when they are not yet coupled.

[0018] Figure 2 Draw Figure 1 The electrical connector is shown in cross section 2-2.

[0019] Figure 3 Draw Figure 1A 3D view of the electrical connector and mating head after coupling.

[0020] Figure 4 Draw Figure 3 The cross-sectional view of the electrical connector and mating head along line segment 4-4.

[0021] Figure 5 Draw Figure 3 The cross-sectional view of the electrical connector and mating head along line segment 5-5.

[0022] Figure 6 Draw Figure 1 Top view of the electrical connector.

[0023] Figure 7 Draw Figure 6 Top view of the electrical connector after the conductive plastic has been removed. Detailed Implementation

[0024] The following description of embodiments provides many different implementations, or examples, of various features for achieving the provided objectives. Specific examples of elements and arrangements are described below to simplify the subject matter. Of course, these examples are merely illustrative and are not intended to be limiting. Furthermore, element symbols and / or letters may be repeated in various examples. This repetition is for simplicity and clarity and does not, in itself, specify the relationship between the various embodiments and / or configurations discussed.

[0025] Spatial relative terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for descriptive purposes to describe the relationship between one element or feature and another, as shown in the accompanying drawings. Spatial relative terms are intended to cover different orientations of the apparatus in use or operation other than those shown in the accompanying drawings. The apparatus may be oriented in other ways (rotated 90 degrees or otherwise), and the spatial relative descriptors used herein shall be interpreted accordingly.

[0026] Figure 1 A perspective view is shown of an electrical connector 100 and a mating head 200 according to an embodiment of the present invention, when they are not yet coupled. Figure 2 Draw Figure 1 A cross-sectional view of the electrical connector 100 along segment 2-2. See also... Figure 1 and Figure 2 Electrical connector 100 is configured to couple to connector 200. Electrical connector 100 may be disposed on a circuit board as a board-end connector, while connector 200 may be connected to a cable as a wire-end connector. In some embodiments, electrical connector 100 may be used in servers and workstations, but this is not intended to limit the invention.

[0027] The electrical connector 100 includes an insulating body 110, a plurality of signal terminals 120, a plurality of ground terminals 130, and at least one conductive plastic 140. The insulating body 110 has a receiving groove S into which the connecting portion 210 of the connector 200 is inserted. The signal terminals 120 and ground terminals 130 of the electrical connector 100 are located in the receiving groove S of the insulating body 110, and the ground terminals 130 and signal terminals 120 are arranged at intervals, for example, parallel to each other along the X-axis. The ground terminals 130 of the electrical connector 100 have a contact portion 132, a fixing portion 134, and a soldering portion 136 connected in sequence. The conductive plastic 140 has a main body portion 142 and a plurality of fingers 144 protruding from the main body portion 142. In the Z-axis direction, the fingers 144 of the conductive plastic 140 respectively cover the contact portions 132 of the ground terminals 130. That is, the contact portions 132 correspond to the positions of the fingers 144 of the conductive plastic 140.

[0028] In this embodiment, any two adjacent signal terminals 120 are located between two of the ground terminals 130, for example, arranged in the order of ground terminal 130, signal terminal 120, signal terminal 120, and ground terminal 130. In this configuration, the two adjacent signal terminals 120 can be differential pair signal terminals.

[0029] Furthermore, in this embodiment, the conductive plastic 140 is located on the top surface of the insulating body 110 (the surface facing the connector 200). The number of conductive plastic 140 can be multiple, for example, two. Figure 1 As shown, the two conductive plastics 140 are arranged opposite each other and are located on opposite sides of the insulating body 110.

[0030] In some embodiments, the insulating body 110 may be made of plastic, and the signal terminal 120 and the ground terminal 130 may be made of metal, such as copper, but are not limited to copper. The conductive plastic 140 may be made of plastic and conductive materials doped with the plastic, such as gold, silver, copper, carbon, or graphite-related compounds, but are not limited to the above materials. With the above design, the resistance of the conductive plastic 140 is greater than the resistance of the ground terminal 130 but less than the resistance of the insulating body 110.

[0031] When the electrical connector 100 is not yet coupled to the mating connector 200, such as Figure 2 As shown, the conductive plastic 140 portion extends above and separates from the grounding terminal 130. More specifically, when the contact portion 132 of the grounding terminal 130 of the electrical connector 100 has not yet been contacted by the grounding terminal 230 of the mating connector 200 (see...) Figure 1When compressed, there is a gap G between the finger 144 of the conductive plastic 140 and the contact portion 132 of the grounding terminal 130 in the Z-axis direction, so the grounding terminal 130 is not electrically connected to the conductive plastic 140. In the following description, the state of the grounding terminal 130 after the electrical connector 100 is coupled to the mating connector 200 will be explained.

[0032] Figure 3 Draw Figure 1 A perspective view of the electrical connector 100 coupled to the mating connector 200. See also... Figure 1 and Figure 3 The protruding connecting portion 210 of the connector 200 can be inserted into the receiving groove S of the insulating body 110 of the electrical connector 100. When the electrical connector 100 is coupled to the connector 200, the connecting portion 210 is received in the receiving groove S of the insulating body 110. Furthermore, in the receiving groove S, the ground terminal 130 and the signal terminal 120 of the electrical connector 100 will abut against the ground terminal 230 and the signal terminal 220 of the connector 200 respectively, thus establishing electrical continuity.

[0033] Figure 4 Draw Figure 3 The electrical connector 100 and the mating connector 200 are shown in cross-sectional view along line segment 4-4. For the electrical connector 100, Figure 4 The cross-sectional position and Figure 2 Same. See also Figure 3 and Figure 4 When the connector 200 is coupled to the electrical connector 100, the grounding terminal 230 of the connector 200 is in electrical contact with the conductive plastic 140, and the contact portion 132 of each grounding terminal 130 of the electrical connector 100 simultaneously makes electrical contact with one of the grounding terminals 230 of the connector 200 and one of the fingers 144 of the conductive plastic 140. The fixing portion 134 of the grounding terminal 130 can be positioned on the inner wall of the insulating body 110, and the soldering portion 136 of the grounding terminal 130 can be used to solder onto a circuit board.

[0034] Specifically, since the electrical connector 100 has conductive plastic 140, and the conductive plastic 140 is located on the top surface of the insulating body 110 facing the mating connector 200, when the mating connector 200 is inserted into the receiving groove S of the insulating body 110 of the electrical connector 100 (see... Figure 1When coupled to the mating connector 200, the grounding terminal 230 can make electrical contact with the conductive plastic 140, and the grounding terminal 130 of the electrical connector 100 can also make electrical contact with the grounding terminal 230 of the mating connector 200. This allows the grounding terminal 130 of the electrical connector 100 to be pressed by the grounding terminal 230 of the mating connector 200 and thus make electrical contact with the conductive plastic 140. Through this design, when coupled to the mating connector 200, the grounding terminal 130 of the electrical connector 100 can be made conductive with the grounding terminal 230 of the mating connector 200 via the conductive plastic 140. This avoids crosstalk between signal differential pairs during high-speed signal transmission, thus satisfying high-frequency signal transmission requirements, improving transmission bandwidth and increasing electronic signal frequency, and is suitable for large-volume data transmission needs.

[0035] Figure 5 Draw Figure 3 The electrical connector 100 and the mating head 200 are shown in cross-sectional view along segment 5-5. See also... Figure 1 and Figure 5 The signal terminal 120 of the electrical connector 100 has a contact portion 122, a fixing portion 124, and a soldering portion 126 connected in sequence. When the connector 200 is inserted into the receiving groove S of the insulating body 110 of the electrical connector 100, in the Z-axis direction, the contact portion 122 of the signal terminal 120 is exposed and not covered by the conductive plastic 140, and the contact portion 122 of the signal terminal 120 is adjacent to the finger portion 144 of the conductive plastic 140. In addition, the fixing portion 124 of the signal terminal 120 of the electrical connector 100 can be positioned on the inner wall of the insulating body 110, and the soldering portion 126 of the signal terminal 120 can be soldered onto a circuit board.

[0036] See also Figure 3 and Figure 5 When the connector 200 is inserted into the receiving groove S of the insulating body 110 of the electrical connector 100 (see...) Figure 1 When the signal terminals 120 of the electrical connector 100 are electrically connected to the signal terminals 120 of the connector 200 respectively, they can transmit signals. In this state, the contact portion 122 of the signal terminal 120 of the electrical connector 100 can contact the signal terminal 120 of the connector 200 to conduct, but the signal terminal 120 of the electrical connector 100 is separated from the conductive plastic 140.

[0037] It should be understood that the component connections, materials, and functions already described will not be repeated, but will be stated in advance. In the following description, a more detailed configuration of the grounding terminal 130 and conductive plastic 140 of the electrical connector 100 will be explained.

[0038] Figure 6 Draw Figure 1 Top view of electrical connector 100. Figure 7 Draw Figure 6 Top view of electrical connector 100 after removing conductive plastic 140. See also... Figure 6 and Figure 7 The conductive plastic 140 is located on the top surface 112 of the insulating body 110, and the top surface 112 of the insulating body 110 faces the connector 200 (see...). Figure 1 The conductive plastic 140 has a step distance d between its finger 144 near the receiving groove S and the main body 142. In other words, the finger 144 extends from the main body 142 towards the receiving groove S. The main body 142 of the conductive plastic 140 is provided along the length direction D1 of the receiving groove S of the insulating body 110. In this embodiment, the extending direction D2 of the conductive plastic 140's finger 144 is perpendicular to the length direction D1 of the main body 142, and is arranged to cover the grounding terminal 130.

[0039] Furthermore, the distance between adjacent fingers 144 of the conductive plastic 140 is greater than the distance between adjacent signal terminals 120. This design ensures that two adjacent signal terminals 120 will not intersect with the fingers 144 of the conductive plastic 140 in the Z-axis direction (see...). Figure 5 The overlapping elements can be exposed, thus avoiding structural interference.

[0040] The foregoing outlines the features of several embodiments, enabling those skilled in the art to better understand the nature of the invention. Those skilled in the art will understand that they can readily use this invention as the basis for designing or modifying other processes and structures to achieve the same objectives and / or advantages as the embodiments described herein. Those skilled in the art should also recognize that such equivalent constructions do not depart from the spirit and scope of the invention, and that various changes, substitutions, and modifications can be made to them without departing from the spirit and scope of the invention.

[0041] [Symbol Explanation]

[0042] 100: Electrical connector

[0043] 110: Insulating Body

[0044] 112: Top surface

[0045] 120:Signal terminal

[0046] 122:Contact Department

[0047] 124: Fixing part

[0048] 126: Welding Section

[0049] 130: Grounding terminal

[0050] 132:Contact Department

[0051] 134: Fixing part

[0052] 136: Welding section

[0053] 140: Conductive plastic

[0054] 142: Main body

[0055] 144: Finger part

[0056] 200: Connector

[0057] 210: Connecting part

[0058] 220: Signal terminal

[0059] 230: Grounding terminal

[0060] 2-2, 4-4, 5-5: Line segments

[0061] D1: Length direction

[0062] D2: Extension direction

[0063] d: step difference

[0064] G: Gap

[0065] S: Receiving slot

[0066] X, Y, Z: Axis directions.

Claims

1. An electrical connector configured to couple to a mating head, characterized in that, The electrical connector includes: The insulating body has a receiving groove; Multiple signal terminals are located in the receiving slot; Multiple grounding terminals are located in the receiving slot, and the multiple grounding terminals are arranged at intervals with the multiple signal terminals; and At least one conductive plastic is located on the top surface of the insulating body facing the connector, and the plurality of grounding terminals are separated from each other by a gap between them and the conductive plastic. When the connector is inserted into the receiving groove of the insulating body, the plurality of grounding terminals of the connector press against the plurality of grounding terminals of the electrical connector, so that the plurality of grounding terminals of the electrical connector are in electrical contact with the conductive plastic.

2. The electrical connector as claimed in claim 1, characterized in that, When the connector is inserted into the receiving slot of the insulating body, the conductive plastic of the electrical connector comes into contact with the plurality of grounding terminals of the connector.

3. The electrical connector as described in claim 1, characterized in that, The conductive plastic has a main body and a plurality of fingers protruding from the main body, the plurality of fingers respectively covering a plurality of contact portions of the plurality of ground terminals of the electrical connector.

4. The electrical connector as described in claim 3, characterized in that, Each of the plurality of fingers has a step difference between its end near the receiving groove and the main body.

5. The electrical connector as described in claim 3, characterized in that, The main body of the conductive plastic is disposed along the length of the receiving groove of the insulating body.

6. The electrical connector as claimed in claim 3, characterized in that, The extension direction of the plurality of fingers of the conductive plastic is perpendicular to the length direction of the main body.

7. The electrical connector as claimed in claim 3, characterized in that, The distance between adjacent fingers of the conductive plastic is greater than the distance between adjacent signal terminals.

8. The electrical connector as claimed in claim 3, characterized in that, Each of the plurality of grounding terminals of the electrical connector includes one of the plurality of contacts, a fixing portion and a soldering portion connected in sequence, wherein the plurality of contacts correspond to the positions of the plurality of fingers of the conductive plastic.

9. The electrical connector as claimed in claim 8, characterized in that, When the connector is inserted into the receiving groove of the insulating body, each of the plurality of contacts electrically contacts one of the plurality of grounding terminals of the connector and one of the plurality of fingers of the conductive plastic.

10. The electrical connector as claimed in claim 1, characterized in that, The conductive plastic is in multiple quantities, and the multiple conductive plastics are located on opposite sides of the insulating body.

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