CN114094396B - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN114094396B CN114094396B CN202010789670.1A CN202010789670A CN114094396B CN 114094396 B CN114094396 B CN 114094396B CN 202010789670 A CN202010789670 A CN 202010789670A CN 114094396 B CN114094396 B CN 114094396B
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- CN
- China
- Prior art keywords
- terminal
- speed
- pair
- signal
- grounding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an electric connector, which comprises a shell, a terminal seat and at least one signal shielding terminal; the terminal seat comprises an insulating body and a terminal group, and the terminal group and the signal shielding terminal are partially covered by the insulating body; the signal shielding terminals can be arranged at intervals and side by side on the outer side of one high-speed signal terminal pair of the terminal group or arranged at intervals and side by side on the outer side of a grounding terminal of the terminal group; therefore, when the signal shielding terminal is directly and electrically connected with a ground potential or indirectly and electrically connected with the ground potential through the shell, noise generated by the high-speed signal terminal in high-speed transmission signals is filtered, and the high-frequency characteristic of the electric connector is optimized.
Description
Technical Field
The present invention relates to an electrical connector, and more particularly, to an electrical connector capable of reducing high-speed transmission interference.
Background
With the increasing demand for high-speed signal transmission of electronic devices or computer devices, the electrical connectors used as the electronic devices or computer devices must also support the high-speed signal transmission correspondingly; for example, a USB connector includes a low-speed signal terminal group (d+, D-) and a high-speed signal terminal group (SSTX +, SSTX-, SSRX +, SSRX-) in addition to the USB3.1type a connector.
In practical use, the high-speed signal terminal set is easy to form near-end crosstalk interference and common mode effect during the period of transmitting high-speed signals, so that electromagnetic wave interference becomes large, and further, the performance of high-frequency characteristics is affected; therefore, there is a need for further improvements in electrical connectors that support high-speed signal transmission.
Disclosure of Invention
In view of the above-mentioned poor high-frequency performance of the electrical connector supporting high-speed signal transmission, the present invention is directed to providing an electrical connector with good high-frequency performance.
The main technical means to achieve the above objective is to make the electrical connector comprise:
A housing;
A terminal seat, which is arranged in the shell and comprises an insulating body and a terminal group; wherein the terminal set is partially covered by the insulating body and comprises at least one grounding terminal and a high-speed terminal set; the high-speed terminal group comprises a first high-speed signal terminal pair and a second high-speed signal terminal pair; and
The first signal shielding terminal is partially covered by the insulating body and is arranged outside one of the first high-speed signal terminal pairs at intervals.
As can be seen from the above description, the electrical connector of the present invention is mainly configured to add a first signal shielding terminal to the terminal base, so as to be arranged at an interval on one outer side of the first high-speed signal terminal pair; therefore, when the electric connector is welded on a circuit board of the electronic device or indirectly plugged into the USB socket, the first signal shielding terminal of the electric connector can be directly connected to the ground potential on the circuit board or contacted with the ground terminal of the USB socket to be electrically connected to the ground potential, noise generated by high-speed signal terminals in high-speed transmission signals is filtered, and the high-frequency characteristic of the electric connector is optimized.
The main technical means to achieve the above objective is to make another electrical connector comprising:
A housing;
a terminal seat, which is arranged in the shell and comprises an insulating body and a terminal group; wherein the terminal set is partially covered by the insulating body and comprises at least one grounding terminal and a high-speed terminal set; and
The first signal shielding terminal is partially covered by the insulating body and is arranged at an outer side of the at least one grounding terminal at intervals.
As can be seen from the above description, the electrical connector of the present invention mainly adds a first signal shielding terminal to the terminal base, so as to be arranged at an interval on one of the outer sides of the grounding terminal; therefore, when the electric connector is welded on a circuit board of the electronic device or indirectly plugged into the USB socket, the first signal shielding terminal of the electric connector can be directly connected to the ground potential on the circuit board or contacted with the ground terminal of the USB socket to be electrically connected to the ground potential, so that noise (noise) generated by the high-speed signal terminal in high-speed transmission signals is filtered, and the high-frequency characteristic of the electric connector is optimized.
The invention will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the invention thereto.
Drawings
Fig. 1: the invention discloses a three-dimensional appearance diagram of an electric connector;
fig. 2A: a three-dimensional appearance diagram of a first embodiment of the terminal block of the present invention;
Fig. 2B: FIG. 2A is a top plan view;
fig. 3A: a top plan view of a second embodiment of the terminal block of the present invention;
Fig. 3B: a top plan view of a third embodiment of the terminal block of the present invention;
Fig. 3C: a top plan view of a fourth embodiment of the terminal block of the present invention;
Fig. 4: the fifth embodiment of the electrical connector of the present invention is a cross-sectional view of a corresponding electrical connector.
Wherein reference numerals are used to refer to
1 Electric connector
10 Casing
20. 20A, 20b, 20c, terminal block
30 Insulating body
31 Tongue piece insulating part
32 Base
40 Terminal group
41 Ground terminal
411 Front end
412 Rear end
42 Low speed terminal set
421 First terminal pair
422 Second terminal pair
423. 424 Front end
425. 426 Rear end
43 High speed terminal set
431 First high-speed terminal pair
432 Second high-speed terminal pair
433. 434 Front end
435. 436 Rear end
50. 50': First signal shield terminal
501 Rear end
51 Second signal shield terminal
511 Rear end
60 Plug
Detailed Description
The invention is directed to an improvement of an electric connector, and the technical content of the invention is described in detail by a plurality of embodiments in cooperation with the accompanying drawings.
Referring to fig. 1 and 2A, a first embodiment of an electrical connector 1 according to the present invention includes a housing 10, a terminal base 20 and a first signal shielding terminal 50.
In this embodiment, the housing 10 is a metal housing.
The terminal block 20 is disposed in the housing 10 and includes an insulation body 30 and a terminal set 40; as shown in fig. 2B, the terminal set 40 is partially covered by the insulating body 30 and includes at least one ground terminal 41 (GND) and a high-speed terminal set 43; the high-speed terminal set 43 includes a first high-speed signal terminal pair 431 and a second high-speed signal terminal pair 432. Preferably, the ground terminal 41 is located between the first high-speed signal terminal pair 431 (SSTX +, SSTX-) and the second high-speed signal terminal (SSRX +, SSRX-). In the present embodiment, the terminal set 40 further includes a low-speed terminal set 42 including a first terminal pair 421 and a second terminal pair 422; preferably, the ground terminal 41 is located between the first terminal pair 421 (VBUS, D-) and the second terminal pair 422 (GND, D+) and the first high-speed signal terminal pair 431 (SSTX +, SSTX-) and the second high-speed signal terminal pair (SSRX +, SSRX-) are respectively spaced apart from the first terminal pair 421 and the second terminal pair 422. The insulating body 30 includes a tongue insulating portion 31 and a base 32, the ground terminal 41, the first and second terminal pairs 421, 422 and the first and second high-speed signal terminal pairs 431, 432 are arranged in the tongue insulating portion 31 side by side at intervals, the front ends 411, 423, 424, 433, 434 of the terminals are exposed out of the tongue insulating portion 31, and the rear ends 412, 425, 426, 435, 436 of the terminals are penetrated out of the base 32; wherein the front ends 411, 433, 434 of the terminals of the ground terminal 41 and the first and second high-speed signal terminal pairs 431, 432 are exposed on the upper surface of the tongue insulating portion 31 and flush with and close to the front side of the tongue insulating portion 31, and the front ends 423, 424 of the terminals of the first and second terminal pairs 421, 422 are exposed on the upper surface of the tongue insulating portion 31 and far from the front side of the tongue insulating portion 31, i.e., the terminals of the first and second terminal pairs 421, 422 are shorter than the ground terminal 41 and the terminals of the first and second high-speed signal terminal pairs 431, 432.
As shown in fig. 2A and 2B, the first signal shielding terminal 50 is partially covered by the insulating body 30, and is arranged outside one of the first high-speed signal terminal pairs 431 at intervals; in this embodiment, the first signal shielding terminals 50 are spaced apart and arranged between the first high-speed signal terminal pair 431 and the ground terminal 41, and the rear ends 501 thereof extend out from an outer side of the base 32; the present embodiment further includes a second signal shielding terminal 51, where the second signal shielding terminal 51 is spaced apart and arranged between the second high-speed signal terminal pair 432 and the ground terminal 41; in other words, the first and second signal shielding terminals 50, 51 are respectively disposed at intervals on two opposite outer sides of the ground terminal 41. Specifically, the first signal shielding terminals 50 are spaced apart and arranged between the first high-speed signal terminal pair 431 and the first terminal pair 421, and the second signal shielding terminals 51 are spaced apart and arranged between the second high-speed signal terminal pair 432 and the second terminal pair 422. Preferably, the first and second signal shield terminals 50, 51 are shorter than each of the first and second terminal pairs 421, 422.
In addition, referring to fig. 3A again, a second embodiment of the terminal block 20a of the present invention has the same most structures as the first embodiment shown in fig. 2B, but the first signal shielding terminals 50 of the present embodiment are arranged at intervals side by side on the other outer side of the first high-speed signal terminal pair 431, that is, the first signal shielding terminals 50 are arranged at intervals side by side on the outer side of the first high-speed signal terminal pair 431 away from the ground terminal 41; similarly, the second signal shielding terminals 51 of the present embodiment are disposed at intervals on the other outer side of the second high-speed signal terminal pair 432, that is, the second signal shielding terminals 51 are disposed at intervals on the outer side of the second high-speed signal terminal pair 432 distant from the ground terminal 41.
Referring to fig. 3B again, a third embodiment of the terminal block 20B of the present invention is the same as the first embodiment shown in fig. 2B in most of its structures, but the first signal shielding terminals 50 of the present embodiment are disposed between two terminals (VBUS, D-) of the first terminal pair 421 at intervals; the second signal shielding terminals 51 of the present embodiment are provided between the two terminals (GND, d+) of the second terminal pair 422 at intervals.
As shown in fig. 3C, a fourth embodiment of the terminal block 20C of the present invention is the same as the first embodiment shown in fig. 2B in most of its structures, but the first signal shielding terminals 50 of the present embodiment are disposed between the ground terminal 41 and the first terminal pair 421 (VBUS, D-); the second signal shielding terminal 51 of the present embodiment is provided between the ground terminal 41 and the second terminal pair 422 (GND, d+) with a space therebetween.
As can be seen from the above-described first to fourth embodiments of the terminal block of the present invention, since the first signal shielding terminal 50 and the second signal shielding terminal 51 are spaced apart from each of the terminals of the terminal blocks 20, 20a, 20b, 20c, the rear ends 501, 511 thereof also penetrate the base 32 of the insulating body 30; therefore, when the electrical connector 1 of the present invention is soldered to a circuit board (not shown) of a corresponding electronic device, the first and second signal shielding terminals 50, 51 can be directly connected to the ground potential on the circuit board, so as to filter noise generated by the high-speed signal terminals during high-speed signal transmission, and optimize the high-frequency characteristics of the electrical connector.
In addition, as shown in fig. 4, in the fifth embodiment of the electrical connector 1 of the present invention, most of the structures are the same as those of the first embodiment shown in fig. 2A, but the front ends of a first signal shielding terminal 50' and a second signal shielding terminal (not shown) penetrate through the tongue insulation portion 31 and contact with one of the inner wall surfaces of the housing 10, and in the same way, the front ends of a second signal shielding terminal (not shown) also penetrate through the tongue insulation portion and contact with the inner wall surface of the housing, so as to improve the grounding efficiency of the guiding noise; in this embodiment, the electrical connector 1 of the present invention may be a USB socket for plugging with a USB plug 60.
In summary, the electrical connector of the present invention is mainly configured to add at least one signal shielding terminal to the terminal base, and the signal shielding terminal is arranged at an interval side by side on one outer side of the first high-speed signal terminal pair or the grounding terminal; therefore, when the electric connector is welded on the circuit board of the electronic device, the signal shielding end of the electric connector can be directly connected to the ground potential on the circuit board, or when the electric connector is plugged into the corresponding USB socket, the signal shielding terminal of the electric connector is contacted with the ground terminal of the USB socket and is electrically connected to the ground potential, noise generated by the high-speed signal terminal in high-speed transmission signal is filtered, and the high-frequency characteristic of the electric connector is optimized.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. An electrical connector, comprising:
A housing;
A terminal seat, which is arranged in the shell and comprises an insulating body and a terminal group; wherein the terminal set is partially covered by the insulating body and comprises at least one grounding terminal and a high-speed terminal set; the high-speed terminal group comprises a first high-speed signal terminal pair and a second high-speed signal terminal pair, and the front end of at least one grounding terminal and the front ends of the terminals of the first high-speed signal terminal pair and the second high-speed signal terminal pair are exposed from a first surface of the insulating body; and
The first signal shielding terminal is partially covered by the insulating body and is arranged on the outer side of one of the first high-speed signal terminal pairs at intervals, wherein the front end of the first signal shielding terminal is far away from the front end of the at least one grounding terminal and the front ends of the terminals of the first high-speed signal terminal pair and the second high-speed signal terminal pair, and penetrates out of a second surface of the insulating body to be in contact with an inner wall surface of the shell; wherein the second surface is disposed opposite to the first surface.
2. The electrical connector of claim 1, further comprising a second signal shield terminal partially enclosed by the dielectric body and spaced apart from one of the second pair of high speed signal terminals, wherein the front end of the second signal shield terminal is spaced apart from the front end of the at least one ground terminal and the front ends of the terminals of the first and second pairs of high speed signal terminals and extends out of a second surface of the dielectric body to contact the inner wall surface of the housing.
3. The electrical connector of claim 2, wherein:
the at least one grounding terminal is arranged between the first high-speed signal terminal pair and the second high-speed signal terminal pair in a spaced and parallel manner;
The first signal shielding terminals are arranged between the first high-speed signal terminal pair and the at least one grounding terminal in a parallel manner at intervals; and
The second signal shielding terminals are arranged between the second high-speed signal terminal pair and the at least one grounding terminal in a side-by-side manner at intervals.
4. The electrical connector of claim 2, wherein:
the at least one grounding terminal is arranged between the first high-speed signal terminal pair and the second high-speed signal terminal pair in a spaced and parallel manner;
The first signal shielding terminals are arranged at intervals on the outer sides of the first high-speed signal terminal pairs far away from the at least one grounding terminal in parallel; and
The second signal shielding terminals are arranged at intervals on the outer sides of the second high-speed signal terminal pairs far away from the at least one grounding terminal in parallel.
5. The electrical connector of claim 1, wherein the terminal set further comprises a low speed terminal set.
6. An electrical connector, comprising:
A housing;
A terminal seat, which is arranged in the shell and comprises an insulating body and a terminal group; the terminal set is partially covered by the insulating body and comprises at least one grounding terminal and a high-speed terminal set, wherein the front ends of the grounding terminal and the front ends of the terminals of the high-speed terminal set are exposed from a first surface of the insulating body; and
The first signal shielding terminal is partially covered by the insulating body and is arranged on the outer side of the grounding terminal at intervals, wherein the front end of the first signal shielding terminal is far away from the front end of the grounding terminal and the front end of each terminal of the high-speed terminal group and penetrates out of a second surface of the insulating body to be in contact with an inner wall surface of the shell; wherein the second surface is disposed opposite to the first surface.
7. The electrical connector of claim 6, further comprising a second signal shield terminal partially enclosed by the housing and spaced apart from the other opposite outer side of the ground terminal, wherein the front end of the second signal shield terminal is spaced apart from the front end of the ground terminal and the front end of each terminal of the high-speed terminal set and extends out of a second surface of the housing to contact the inner wall surface of the housing.
8. The electrical connector of claim 7, wherein:
The terminal set further comprises a low-speed terminal set, wherein the low-speed terminal set comprises a first terminal pair and a second terminal pair, and the grounding terminal is positioned between the first terminal pair and the second terminal pair;
The first signal shielding terminal is arranged between the grounding terminal and the first terminal pair at intervals; and
The second signal shielding terminal is arranged between the grounding terminal and the second terminal pair at intervals.
9. The electrical connector of claim 7, wherein:
The terminal set further comprises a low-speed terminal set, wherein the low-speed terminal set comprises a first terminal pair and a second terminal pair, and the grounding terminal is positioned between the first terminal pair and the second terminal pair;
the first signal shielding terminals are arranged at intervals outside the first terminal pair far away from the grounding terminal; and
The second signal shielding terminal is spaced apart from the ground terminal on the outer side of the second terminal pair.
10. The electrical connector of claim 7, wherein:
The terminal set further comprises a low-speed terminal set, wherein the low-speed terminal set comprises a first terminal pair and a second terminal pair, and the grounding terminal is positioned between the first terminal pair and the second terminal pair;
the first signal shielding terminal is arranged between two terminals of the first terminal pair at intervals; and
The second signal shielding terminal is arranged between the two terminals of the first terminal pair at intervals.
11. The electrical connector of claim 7, wherein:
The terminal set further comprises a low-speed terminal set, wherein the low-speed terminal set comprises a first terminal pair and a second terminal pair, and the grounding terminal is positioned between the first terminal pair and the second terminal pair; and
The high-speed terminal group comprises a first high-speed signal terminal pair and a second high-speed signal terminal pair which are respectively arranged at intervals on the outer side of the first terminal pair far away from the grounding terminal and the outer side of the second terminal pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789670.1A CN114094396B (en) | 2020-08-07 | 2020-08-07 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010789670.1A CN114094396B (en) | 2020-08-07 | 2020-08-07 | Electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114094396A CN114094396A (en) | 2022-02-25 |
| CN114094396B true CN114094396B (en) | 2024-07-09 |
Family
ID=80295252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010789670.1A Active CN114094396B (en) | 2020-08-07 | 2020-08-07 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114094396B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203260832U (en) * | 2013-03-25 | 2013-10-30 | 广迎工业股份有限公司 | USB connector structure achieving high-speed transmission |
| CN203386990U (en) * | 2013-07-24 | 2014-01-08 | 陈碇祈 | Electric connector device |
| CN204885675U (en) * | 2015-07-01 | 2015-12-16 | 广迎工业股份有限公司 | Structure of USB connector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM439911U (en) * | 2012-02-17 | 2012-10-21 | Kuang Ying Comp Equipment Co | Structural improvement for USB3.0 bidirectional jack female connector |
| TWM470416U (en) * | 2013-06-28 | 2014-01-11 | Ting-Chi Chen | Improved structure of electrical connector |
| TWI506892B (en) * | 2013-08-07 | 2015-11-01 | Ting Chi Chen | Conversion construction of electrical connectors |
| TWM486882U (en) * | 2014-04-08 | 2014-09-21 | Chant Sincere Co Ltd | Electrical connector |
| CN204205196U (en) * | 2014-09-05 | 2015-03-11 | 广迎工业股份有限公司 | Electric connector |
| CN205029075U (en) * | 2015-09-06 | 2016-02-10 | 广迎工业股份有限公司 | Universal serial bus (USB) connector structure |
| CN107039850B (en) * | 2016-12-15 | 2019-04-26 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN111082266A (en) * | 2018-10-19 | 2020-04-28 | 岱炜科技股份有限公司 | USB A female socket connector |
-
2020
- 2020-08-07 CN CN202010789670.1A patent/CN114094396B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203260832U (en) * | 2013-03-25 | 2013-10-30 | 广迎工业股份有限公司 | USB connector structure achieving high-speed transmission |
| CN203386990U (en) * | 2013-07-24 | 2014-01-08 | 陈碇祈 | Electric connector device |
| CN204885675U (en) * | 2015-07-01 | 2015-12-16 | 广迎工业股份有限公司 | Structure of USB connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114094396A (en) | 2022-02-25 |
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