CN212751308U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN212751308U CN212751308U CN202021630292.4U CN202021630292U CN212751308U CN 212751308 U CN212751308 U CN 212751308U CN 202021630292 U CN202021630292 U CN 202021630292U CN 212751308 U CN212751308 U CN 212751308U
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- conductive plastic
- speed signal
- electrical connector
- end surface
- signal terminal
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Abstract
The utility model discloses an electric connector, which comprises a shell, a terminal seat and a first conductive plastic; wherein the terminal seat is arranged in the shell and comprises an insulating body and a terminal group; the terminal set comprises at least one grounding terminal and a high-speed signal terminal set; the first end face of the first conductive plastic is arranged on an inner wall face of the shell, and a second end face opposite to the first end face penetrates into the insulating body and is close to the high-speed signal terminal group of the terminal group; therefore, the electrical connector of the present invention mainly utilizes the first conductive plastic to penetrate the insulating body, connect the housing and approach the high-speed signal terminal set, eliminate the noise interference generated by the high-speed signal terminal set, reduce the crosstalk interference and the common mode effect thereof, and maintain the stability during signal transmission.
Description
Technical Field
The utility model relates to an electric connector especially relates to an electric connector who is applied to high-speed signal transmission usefulness.
Background
A Universal Serial Bus (USB) is a technical specification of an input/output port of a connector, and because of the advantages of hot plug and play, the USB is widely applied to various consumer electronic devices (e.g., personal computers, digital cameras, smart phones, wearable devices …, etc.), and in order to cope with the problem of larger and larger data transmission, a USB developer Forum (USB-IF, USB Implementer Forum, Inc.) makes a new USB3.1 specification, and the USB3.1 connector can be compatible with a conventional USB connector, and further shortens the time-consuming problem of transmitting larger and larger data by high-speed transmission.
However, the nine terminals of the USB3.1 connector are very close in space, and are subjected to serious crosstalk interference (crosstalk) during high-frequency signal transmission, and the power terminal and the ground terminal are too far away to be coupled adjacently, so that the power terminal is coupled to the adjacent high-frequency differential terminal or coupled to the adjacent low-frequency differential terminal, which causes common-mode interference (common-mode interference) and reduces the stability during signal transmission.
Therefore, there is a need to further improve the design of the USB3.1 connector and the similar standard connectors in the prior art and maintain the stability during signal transmission.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the USB3.1 connector of the prior art, the present invention is directed to an electrical connector, which reduces crosstalk and common mode effects and maintains stability during signal transmission.
To achieve the above object, the present invention provides an electrical connector, comprising:
a housing;
a terminal seat arranged in the shell and comprising an insulating body and a terminal group; wherein the terminal set comprises at least one grounding terminal and a high-speed signal terminal set; and
the first end face of the first conductive plastic is arranged on the inner wall face of the shell, and the second end face opposite to the first end face penetrates into the insulating body and is close to the high-speed signal terminal group of the terminal group.
In the above electrical connector, the high-speed signal terminal set includes a first high-speed signal terminal pair and a second high-speed signal terminal pair, and the second end surface of the first conductive plastic is located outside the first high-speed signal terminal pair of the high-speed signal terminal set.
The electrical connector further includes a second conductive plastic, wherein a third end surface of the second conductive plastic is disposed on an inner wall surface of the housing, and a fourth end surface opposite to the third end surface penetrates the insulating body and is close to an outer side of the second high-speed signal terminal pair of the high-speed signal terminal group.
The electrical connector further includes a third conductive plastic, wherein a fifth end surface of the third conductive plastic is disposed on an inner wall surface of the housing, and a sixth end surface opposite to the fifth end surface penetrates the insulating body and contacts the at least one ground terminal.
The electrical connector further includes a third conductive plastic, wherein a fifth end surface of the third conductive plastic is disposed on an inner wall surface of the housing, and a sixth end surface opposite to the fifth end surface penetrates the insulating body and contacts the at least one ground terminal.
In the electrical connector, a first signal shielding terminal is arranged at an interval side by side outside the first high-speed signal terminal pair of the high-speed signal terminal group so as to correspond to and contact the second end face of the first conductive plastic.
The electrical connector further includes a second conductive plastic, wherein a third end surface of the second conductive plastic is disposed on an inner side of the housing, a fourth end surface opposite to the third end surface penetrates the insulating body and is close to an outer side of the other terminal of the high-speed signal terminal set, and a second signal shielding terminal is disposed on the outer side of the second high-speed signal terminal of the high-speed signal terminal set in parallel at an interval to correspond to and contact a fourth end surface of the second conductive plastic.
The electrical connector further includes a third conductive plastic, wherein a fifth end surface of the third conductive plastic is disposed on an inner wall surface of the housing, and a sixth end surface opposite to the fifth end surface penetrates the insulating body and contacts the at least one ground terminal.
The electrical connector further includes a third conductive plastic, wherein a fifth end surface of the third conductive plastic is disposed on an inner side of the housing, and a sixth end surface opposite to the fifth end surface penetrates the insulating body and contacts the at least one ground terminal.
In the above electrical connector, the first conductive plastic and the third conductive plastic are further connected by a fourth conductive plastic, and the fourth conductive plastic is disposed on the inner wall surface of the housing.
In the above-mentioned electrical connector, the first conductive plastic, the second conductive plastic and the third conductive plastic are further connected by a fourth conductive plastic, and the fourth conductive plastic is disposed on the inner wall surface of the housing.
In the above electrical connector, the terminal set further includes a low-speed signal terminal set.
The utility model has the advantages that the electric connector mainly utilizes the first conductive plastic to penetrate into the insulating body to connect the shell and the high-speed signal terminal group; when the housing is electrically connected to the ground potential, the first conductive plastic is also electrically connected to the ground potential through the housing, so that noise interference generated by the high-speed signal terminal set is eliminated, crosstalk interference and common mode effect are reduced, and stability in signal transmission is maintained.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
FIG. 1: is a perspective view of the electric connector of the utility model;
FIG. 2A: is a perspective view of a first embodiment of the electrical connector of the present invention;
FIG. 2B: is a top plan view of a first embodiment of the electrical connector of the present invention;
FIG. 3A: is a perspective view of a second embodiment of the electrical connector of the present invention;
FIG. 3B: is a perspective view of a third embodiment of the electrical connector of the present invention;
FIG. 3C: is a perspective view of a fourth embodiment of the electrical connector of the present invention;
FIG. 3D: is a top plan view of a fourth embodiment of the electrical connector of the present invention;
FIG. 4A: is a perspective view of a fifth embodiment of the electrical connector of the present invention;
FIG. 4B: is a top plan view of a fifth embodiment of the electrical connector of the present invention;
FIG. 5A: is a perspective view of a sixth embodiment of the electrical connector of the present invention;
FIG. 5B: is a perspective view of a seventh embodiment of the electrical connector of the present invention;
FIG. 5C: is a perspective view of an eighth embodiment of the electrical connector of the present invention;
FIG. 5D: is a top plan view of an eighth embodiment of the electrical connector of the present invention;
FIG. 6: is a perspective view of an eighth embodiment of the electrical connector of the present invention;
FIG. 7: is a sectional view taken along line A-A of FIG. 1.
Wherein the reference numerals
1: electric connector
10: outer casing
20: terminal base
21 insulating body
22 terminal group
221 ground terminal
222 low-speed signal terminal group
222a first low-speed signal terminal pair
222b second low-speed signal terminal pair
223 high-speed signal terminal group
223a first high-speed signal terminal pair
223b second high-speed signal terminal pair
30 a first conductive plastic
31 first end face
32 second end face
40 second conductive plastic
41 third end face
42 fourth end face
50: third conductive plastic
51 fifth end face
52 sixth end face
60 the fourth conductive plastic
70 first signal shielding terminal
80 second signal shielding terminal
Detailed Description
The present invention is to improve an electrical connector, eliminate noise interference generated by a high-speed signal terminal set, and maintain stability during signal transmission, and the technical contents of the present invention will be described in detail below only with a plurality of embodiments and accompanying drawings.
Referring to fig. 1 and fig. 2A, an electrical connector 1 of the present invention includes a housing 10, a terminal base 20 and at least one conductive plastic. In this embodiment, the electrical connector 1 includes, but is not limited to, a first conductive plastic 30, a second conductive plastic 40, and a third conductive plastic 50.
The housing 10 is a metal housing; preferably, in use, the housing 10 is electrically connected to ground potential.
The terminal base 20 is disposed in the housing 10 and includes an insulating body 21 and a terminal set 22, wherein the terminal set 22 at least includes at least one ground terminal 221 and a high-speed signal terminal set 223; the high-speed signal terminal set 223 includes a first high-speed signal terminal pair 223a (SSTX +, SSTX-) and a second high-speed signal terminal pair 223b (SSRX +, SSRX-) that are respectively disposed at intervals outside the ground terminal 221, i.e., the ground terminal 221 is located between the first high-speed terminal pair 223a and the second low-speed terminal pair 223 b. Taking the USB3.1 connector as an example, the terminal set 22 further includes a low-speed signal terminal set 222 including a first low-speed signal terminal pair 222a (VBUS, D-) and a second low-speed signal terminal pair 222b (GND, D +), wherein the ground terminal 221 is located between the first low-speed terminal pair 222a and the second low-speed terminal pair 222b, and the first high-speed signal terminal pair 223a and the second high-speed signal terminal pair 223b are respectively disposed at intervals outside the first low-speed signal terminal pair 222a and the second low-speed signal terminal pair 222 b.
The first conductive plastic 30 and the second conductive plastic 40 are disposed between the inner wall surface of the housing 10 and the outer side of the high-speed signal terminal set 223; in this embodiment, the first conductive plastic 30 has a first end surface 31 and a second end surface 32, the first end surface 31 is disposed on the inner wall surface of the housing 10 (as shown in fig. 7), the second end surface 32 penetrates the insulating body 21 and is located outside the first high-speed signal terminal pair 223a of the high-speed signal terminal set 223; in this embodiment, the second end 32 of the first conductive plastic 30 is located between the first high-speed signal terminal pair 223a and the first low-speed signal terminal pair 222 a; in addition, the electrical connector of the present invention can further dispose a third end surface 41 of the second conductive plastic 40 on the inner wall surface of the housing 10, and a fourth end surface 42 penetrates the insulating body 21 and is located outside the second high-speed signal terminal pair 223b of the high-speed signal terminal group 223; in this embodiment, the fourth end surface 42 of the second conductive plastic 40 is located between the second high-speed signal terminal pair 223b and the second low-speed signal terminal pair 222 b; in addition, the electrical connector of the present invention further includes a fifth end surface 51 of the third conductive plastic 50 disposed on the inner wall surface of the housing 10, and a sixth end surface 52 penetrating into the insulating body 21 and contacting the ground terminal 221.
Referring to fig. 2B, the direction of the second end face 32 of the first conductive plastic 30, the direction of the fourth end face 42 of the second conductive plastic 40, and the direction of the sixth end face 52 of the third conductive plastic 50 are parallel to the direction of the terminal set 22; the direction of the first end face 31 of the first conductive plastic 30, the direction of the third end face 41 of the second conductive plastic 40 and the direction of the fifth end face 51 of the third conductive plastic 50 are perpendicular to the direction of the terminal set 22, so that the first to third conductive plastics 30, 40 and 50 form a T shape; preferably, the first end face 31 extends to the top of the first high-speed signal terminal pair 223a of the high-speed signal terminal set 223 and the top of the first low-speed signal terminal pair 222a of the low-speed signal terminal set 222; similarly, the third end surface 41 extends to the upper side of the second high-speed signal terminal pair 223b of the high-speed signal terminal set 223 and the upper side of the second low-speed signal terminal pair 222b of the low-speed signal terminal set 222. In the present embodiment, the first conductive plastic 30 and the second conductive plastic 40 are mainly in contact with the housing 10, so that noise (noise) generated by the first high-speed signal terminal pair 223a and the second high-speed signal terminal pair 223b is prevented from interfering with the ground, and the ground effect is enhanced by the ground terminal 221, so as to maintain signal stability.
Referring to fig. 3A, a second embodiment of the present invention is shown, the electrical connector is substantially the same as the first embodiment of the present invention, but the electrical connector of the present embodiment includes a first conductive plastic 30 and a third conductive plastic 50; the first conductive plastic 30 and the third conductive plastic 50 are further connected by a fourth conductive plastic 60, and the fourth conductive plastic 60 is disposed on the inner wall surface of the housing 10.
Referring to fig. 3B, the third embodiment of the present invention is shown, the electrical connector is substantially the same as the first embodiment of the present invention, but the electrical connector of the present embodiment includes a second conductive plastic 40 and a third conductive plastic 50; the second conductive plastic 40 and the third conductive plastic 50 are further connected by a fourth conductive plastic 60, and the fourth conductive plastic 60 is disposed on the inner wall surface of the housing 10.
Please refer to fig. 3C and 3D, which are schematic views of a fourth embodiment of the present invention, the electrical connector is substantially the same as the first embodiment of the present invention, but the electrical connector of the present embodiment further includes a fourth conductive plastic 60, the fourth conductive plastic 60 connects the first to third conductive plastics 30, 40, 50, and the fourth conductive plastic 60 is disposed on the inner wall of the housing 10.
Referring to fig. 4A and 4B, in order to further enhance the stability of the electrical connector in high-speed transmission, the fifth embodiment of the electrical connector of the present invention further includes a first signal shielding terminal 70, wherein the first signal shielding terminal 70 is located outside the first high-speed signal terminal pair 223a of the high-speed signal terminal set 223; in this embodiment, the first signal shielding terminal 70 is located between the first high-speed signal terminal pair 223a and the first low-speed signal terminal pair 222a, and contacts the second end surface 32 of the first conductive plastic 30; in addition, the electrical connector of the present invention may further include a second signal shielding terminal 80, wherein the second signal shielding terminal 80 is located outside the second high-speed signal terminal pair 223b of the high-speed signal terminal set 223; in this embodiment, the second signal shielding terminal 80 is located between the second high-speed signal terminal pair 223b and the second low-speed signal terminal pair 222b, and contacts the fourth end surface 42 of the second conductive plastic 40.
Similarly, as shown in fig. 5A, the electrical connector according to the sixth embodiment of the present invention is substantially the same as the second embodiment shown in fig. 3A, but further a first signal shielding terminal 70 is disposed between the first high-speed signal terminal pair 223A and the first low-speed signal terminal pair 222a in parallel at an interval and contacts with the second end face 32 of the first conductive plastic 30. Similarly, as shown in fig. 5B, the seventh embodiment of the electrical connector of the present invention is substantially the same as the third embodiment shown in fig. 3B, but a second signal shielding terminal 80 is further disposed between the second high-speed signal terminal pair 223B and the second low-speed signal terminal pair 222B in parallel at an interval and contacts with the fourth end face 42 of the second conductive plastic 40. Referring to fig. 5C, 5D and 6, an eighth embodiment of the electrical connector of the present invention is substantially the same as the fourth embodiment shown in fig. 3C and 3D, but a first signal shielding terminal 70 and a second signal shielding terminal 80 are further disposed between the first high-speed signal terminal pair 223a and the first low-speed signal terminal pair 222a and between the second high-speed signal terminal pair 223b and the second low-speed signal terminal pair 222b in parallel at intervals.
To sum up, the electric connector of the present invention mainly utilizes the first conductive plastic to penetrate into the insulating body, connect the housing and approach the first high-speed signal terminal pair; when the shell is electrically connected to the grounding potential, the first conductive plastic is also electrically connected to the grounding potential through the shell, noise interference generated by the first high-speed signal terminal to the grounding is eliminated, crosstalk interference and common mode effect of the first high-speed signal terminal are reduced, and stability in signal transmission is maintained; in addition, the second conductive plastic can be further utilized to penetrate into the insulating body to connect the shell and the terminal pair close to the second high-speed signal, so that the noise interference generated by the second high-speed signal terminal pair is eliminated; in addition, the third conductive plastic can be further utilized to penetrate into the insulating body to connect the shell and the grounding terminal, so that the grounding effect is enhanced; in addition, the fourth conductive plastic can be further used for connecting the first conductive plastic or the second conductive plastic with the third conductive plastic, so that the grounding effect is enhanced; in addition, the first signal shielding terminal or the second signal shielding terminal can be further arranged to eliminate the noise interference generated by the high-speed signal terminal group to the ground.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (14)
1. An electrical connector, comprising:
a housing;
a terminal seat arranged in the shell and comprising an insulating body and a terminal group; wherein the terminal set comprises at least one grounding terminal and a high-speed signal terminal set; and
the first end face of the first conductive plastic is arranged on the inner wall face of the shell, and the second end face opposite to the first end face penetrates into the insulating body and is close to the high-speed signal terminal group of the terminal group.
2. The electrical connector of claim 1, wherein the high-speed signal terminal set includes a first pair of high-speed signal terminals and a second pair of high-speed signal terminals, and the second end surface of the first conductive plastic is located outside the first pair of high-speed signal terminals of the high-speed signal terminal set.
3. The electrical connector of claim 2, further comprising a second conductive plastic having a third end surface disposed on an inner wall surface of the housing and a fourth end surface opposite to the third end surface penetrating the insulative housing and being adjacent to an outer side of the second pair of high-speed signal terminals of the high-speed signal terminal set.
4. The electrical connector of claim 2, further comprising a third conductive plastic having a fifth end surface disposed on an inner wall surface of the housing, and a sixth end surface opposite to the fifth end surface penetrating the insulative housing and contacting the at least one ground terminal.
5. The electrical connector of claim 3, further comprising a third conductive plastic having a fifth end surface disposed on an inner wall surface of the housing, and a sixth end surface opposite to the fifth end surface penetrating the insulative housing and contacting the at least one ground terminal.
6. The electrical connector of claim 2, wherein a first signal shielding terminal is disposed at an interval side by side outside the first high-speed signal terminal pair of the high-speed signal terminal set to correspond to and contact the second end surface of the first conductive plastic.
7. The electrical connector of claim 6, further comprising a second conductive plastic having a third end surface disposed on an inner side of the housing and a fourth end surface opposite to the third end surface penetrating the insulating body and being close to an outer side of the other terminal of the high-speed signal terminal set, wherein a second signal shielding terminal is disposed on the outer side of the second high-speed signal terminal of the high-speed signal terminal set in parallel and spaced apart from the outer side to correspond to and contact the fourth end surface of the second conductive plastic.
8. The electrical connector of claim 6, further comprising a third conductive plastic having a fifth end surface disposed on an inner wall surface of the housing, and a sixth end surface opposite to the fifth end surface penetrating the insulative housing and contacting the at least one ground terminal.
9. The electrical connector of claim 7, further comprising a third conductive plastic having a fifth end disposed on an inner side of the housing, a sixth end opposite the fifth end penetrating the insulative housing and contacting the at least one ground terminal.
10. The electrical connector of claim 4 or 8, wherein the first conductive plastic and the third conductive plastic are further connected by a fourth conductive plastic, and the fourth conductive plastic is disposed on the inner wall surface of the housing.
11. The electrical connector of claim 5 or 9, wherein the first conductive plastic, the second conductive plastic and the third conductive plastic are further connected by a fourth conductive plastic, and the fourth conductive plastic is disposed on the inner wall surface of the housing.
12. The electrical connector of any one of claims 1-9, wherein the terminal set further comprises a low speed signal terminal set.
13. The electrical connector of claim 10, wherein the terminal set further comprises a low-speed signal terminal set.
14. The electrical connector of claim 11, wherein the terminal set further comprises a low-speed signal terminal set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630292.4U CN212751308U (en) | 2020-08-07 | 2020-08-07 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630292.4U CN212751308U (en) | 2020-08-07 | 2020-08-07 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212751308U true CN212751308U (en) | 2021-03-19 |
Family
ID=74987066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021630292.4U Active CN212751308U (en) | 2020-08-07 | 2020-08-07 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212751308U (en) |
-
2020
- 2020-08-07 CN CN202021630292.4U patent/CN212751308U/en active Active
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