CN203536644U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN203536644U CN203536644U CN201320512794.0U CN201320512794U CN203536644U CN 203536644 U CN203536644 U CN 203536644U CN 201320512794 U CN201320512794 U CN 201320512794U CN 203536644 U CN203536644 U CN 203536644U
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- China
- Prior art keywords
- signal terminal
- difference signal
- electric connector
- base portion
- groove
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- Expired - Lifetime
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses an electric connector. The electric connector includes an insulation body including a base portion and a tongue portion producing forwards from the base portion, and the base portion is provided with a plurality of grooves; and a plurality of difference signal terminal pairs are arranged in the insulation body, each the difference signal terminal pairs has an protruding portion producing in each the groove. Areas of the protruding portions of the adjacent difference signal terminal pairs are different, to make mediums surrounding the adjacent difference signal terminal pairs to be nonuniform, resonance will not be generated, overhearing interference between adjacent difference signal terminal pairs is improved, and transmission of high frequency signals is ensured.
Description
[technical field]
The utility model relates to electric connector, espespecially a kind of electric connector that improves high frequency cross-talk.
[background technology]
Along with the requirement of masses to electronic product high transfer rate, present electric connector majority also will be considered at a high speed, the requirement of high frequency, and the thing followed is when high-frequency signal transmit, adjacent difference signal terminal between can generation cross-talk etc. problem.
At present the conventional electric connector of industry has an insulating body, and a plurality of terminals are located in described insulating body, described terminal comprise staggered a plurality of difference signal terminal to a plurality of earth terminals.In order to improve the problem of cross-talk, common way is that the distance between two internal signal terminals of described difference signal terminal is reduced as far as possible, and the distance between described signal terminal and described earth terminal strengthens as far as possible.And along with the requirement of high-frequency high-speed, and the enhancing of the miniaturization of electric connector requirement, only rely on distance between terminal to change and cannot well improve difference signal terminal between cross-talk, when transmitting, signal can there is resonance, cause high-frequency test effect bad, cannot reach the requirement of transmit high-speed signals.
Therefore, be necessary to design a kind of better electric connector, to overcome the problems referred to above.
[utility model content]
The problem facing for background technology, the purpose of this utility model is to provide a kind of electric connector that improves high frequency cross-talk.
For achieving the above object, the utility model adopts following technological means:
An electric connector, comprises an insulating body, has a base portion and a tongue is convexly equipped with forward from described base portion, and described base portion is offered a plurality of grooves; A plurality of difference signal terminal are located in described insulating body row, and described in each, difference signal terminal is revealed in described groove having the portion of appearing, adjacent described difference signal terminal right described in to appear the area of portion different.
Further, described groove is arranged with downwards and runs through described base portion from the end face of described base portion.
Selectable, described groove is arranged with forward formation from the rear end of described base portion, and the length that adjacent described groove is arranged with is different.
Selectable, in described groove, fill one first insulator, the dielectric constant of described the first insulator is different from the dielectric constant of described insulating body.
Further, described the first insulator is air or plastic cement.
Further, described the first insulator and described difference signal terminal are to after one-body molded, and by described difference signal terminal, to being installed in described insulating body, now described the first insulator is positioned at described groove.
Selectable, described difference signal terminal is to packing into after described insulating body, by described the first insulator encapsulating in described groove.
Further, the length of adjacent described groove is different, and width is identical.
Further, also comprise a plurality of earth terminals, described earth terminal and described difference signal terminal are to being staggered.
Further, described in each, difference signal terminal is to comprising two signal terminals that transmit respectively positive and negative differential signal, described signal terminal has a fixed part and is fixed on described base portion, one contact site extends forward and is revealed in described tongue from described fixed part, and a weld part extends back and stretches out described base portion from described base portion.
Further, described difference signal terminal, to being arranged as two rows, lays respectively at the both sides up and down of described tongue.
Compared with prior art, the utlity model has following beneficial effect:
Described in each, difference signal terminal is revealed in described groove having the portion of appearing, adjacent described difference signal terminal right described in to appear the area of portion different, make adjacent described difference signal terminal inhomogeneous to medium around, can not produce difference signal terminal that resonance is adjacent between cross-talk problem be improved, thereby guarantee the transmission of high-frequency signal.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of the utility model electric connector;
Fig. 2 is that the utility model terminal packs the stereogram in insulating body into;
Fig. 3 is the stereogram that another embodiment groove of the utility model is offered from base portion rear end;
Fig. 4 is the vertical view of the utility model electric connector;
Fig. 5 is the vertical view that another embodiment groove of the utility model is offered from base portion rear end;
Fig. 6 is the three-dimensional exploded view of the utility model the second embodiment electric connector;
Fig. 7 is the vertical view of the utility model the second embodiment electric connector;
Fig. 8 is the vertical view that the utility model the second embodiment groove is offered from base portion rear end.
The drawing reference numeral explanation of embodiment:
Insulating body 1 base portion 11 groove 111 tongues 12
Accepting groove 13 difference signal terminal are to 2 signal terminal 21 fixed parts 211
Appear portion's 212 contact site 213 weld part 214 earth terminals 3
[embodiment]
For ease of better understanding the purpose of this utility model, structure, feature and effect etc., existing the utility model is described in further detail with embodiment by reference to the accompanying drawings.
As Fig. 1, the utility model electric connector comprises an insulating body 1, a plurality of difference signal terminal to 2 and the staggered row of a plurality of earth terminal 3 be located in described insulating body 1, the coated described insulating body 1 of a shielding casing 4.
As Fig. 1, described insulating body 1 has a base portion 11, from described base portion 11, is convexly equipped with forward a tongue 12, and described tongue 12 is provided with a plurality of accepting grooves 13 in order to accommodate described difference signal terminal to 2 and described earth terminal 3.Described base portion 11 offers a plurality of grooves 111, and as Fig. 2, in the present embodiment, described groove 111 is arranged with downwards and runs through described base portion 11 from the end face of described base portion 11.As Fig. 3, in another embodiment, described groove 111 can be arranged with forward from the rear end face of described base portion 11, and the length that adjacent described groove 111 is arranged with is unequal.In the present embodiment, described in each, groove 111 is all unequal in the length of fore-and-aft direction, and width equates, in other embodiments, width also can be unequal.In the present embodiment, described groove 111 is exposed in air, and the dielectric constant of air is 1, much smaller than the dielectric constant (about 3.8) of described insulating body 1.
As Fig. 1, Fig. 4 and Fig. 5, described difference signal terminal is arranged as two rows to 2, lay respectively at the both sides up and down of described tongue 12, described in each, difference signal terminal comprises to 2 two signal terminals 21 that transmit respectively positive and negative differential signal, described signal terminal 21 has a fixed part 211 and is fixed on described base portion 11, described fixed part 211 is provided with one and appears portion 212 and be revealed in described groove 111, adjacent described difference signal terminal is revealed in the area difference in described groove 111 to appearing portion 212 described in 2, make adjacent described difference signal terminal that the asynchronism(-nization) of vibration occur the differential signal of transmission on 2, to 2, can not there is resonance in a plurality of described difference signal terminal that therefore row establishes, prevent cross-talk.From described fixed part 211, extend forward a contact site 213, described contact site 213 is revealed in described tongue 12, and a weld part 214 extends back and stretches out described base portion 11 from described base portion 11.Described difference signal terminal furthers to the distance between the described fixed part 211 of two described signal terminals 21 in 2, make a described difference signal terminal better to 2 self antijamming capabilities, simultaneously because described difference signal terminal is different to 2 areas that are revealed in described groove 111, make adjacent described difference signal terminal inhomogeneous to the medium around 2, prevent resonance, thereby described in outer bound pair, difference signal terminal reduces 2 interference, under both common effects, described difference signal terminal is well improved the cross-talk between 2, can meet high frequency requirement, be beneficial to and transmit the more signal of high-speed high frequency.Described groove 111 is located at described difference signal terminal on 2, the described portion 212 that appears is exposed in described groove 111, make described difference signal terminal inhomogeneous to the medium around of two signal terminals 21 in 2, thereby prevent from producing resonance or insertion loss between the described signal terminal 21 in two, certain frequency range place, during test, can not cause wave distortion, signal transmission effect is good.
As Fig. 1, described earth terminal 3 is staggered to 2 with described difference signal terminal, adjacent described difference signal terminal is provided with a described earth terminal 3 between 2, distance between described signal terminal 21 and described earth terminal 3 is greater than described difference signal terminal to the distance between two described signal terminals 21 in 2, thereby also can improve adjacent described difference signal terminal to the cross-talk between 2.
As Fig. 1, described shielding casing 4 is coated on described insulating body 1, in order to shielding to be provided.
As Fig. 6 to Fig. 8, in a second embodiment, interior filling one first insulator 5 of described groove 111, the dielectric constant of described the first insulator 5 is different from the dielectric constant of described insulating body 1, preferably, the dielectric constant of described the first insulator 5 is less than the dielectric constant of described insulating body 1.Described the first insulator 5 is plastic cement, and its dielectric constant is less than 3.8.During assembling, described the first insulator 5 is one-body molded to 2 with described difference signal terminal after, more described difference signal terminal is installed in described insulating body 12, now described the first insulator 5 is positioned at described groove 111.In other embodiments, also described difference signal terminal can be packed into after described insulating body 12, then by described the first insulator 5 encapsulatings in described groove 111.Described difference signal terminal is revealed in described groove 111 appearing portion 212 described in 2, and coated by described the first insulator 5, due to the described area difference that appears portion 212, therefore described difference signal terminal is inhomogeneous at described groove 111 places to the medium around 2, thereby make the asynchronism(-nization) of adjacent described difference signal terminal to 2 generation vibrations, thereby make differential signal resonance can not occur, adjacent described difference signal terminal can not produce cross-talk between 2, can reach high frequency requirement.
In sum, the utility model electric connector has following beneficial effect:
(1) adjacent described difference signal terminal is revealed in the area difference in described groove 111 to appearing portion 212 described in 2, make adjacent described difference signal terminal that the asynchronism(-nization) of vibration occur the differential signal of transmission on 2, can not there is resonance to 2 in a plurality of described difference signal terminal that therefore row establishes, prevent cross-talk.
(2) described groove 111 is located at described difference signal terminal on 2, the described portion 212 that appears is exposed in described groove 111, make described difference signal terminal inhomogeneous to the medium around of two signal terminals 21 in 2, thereby prevent from producing resonance or insertion loss between the described signal terminal 21 in two, certain frequency range place, during test, can not cause wave distortion, signal transmission effect is good.
(3) described the first insulator 5 of the interior filling of described groove 111, the dielectric constant of described the first insulator 5 is different from the dielectric constant of described insulating body 1, described difference signal terminal is revealed in described groove 111 appearing portion 212 described in 2, and coated by described the first insulator 5, due to the described area difference that appears portion 212, therefore described difference signal terminal is inhomogeneous at described groove 111 places to the medium around 2, thereby make the asynchronism(-nization) of adjacent described difference signal terminal to 2 generation vibrations, thereby make differential signal resonance can not occur, adjacent described difference signal terminal can not produce cross-talk between 2, can reach high frequency requirement.
Upper detailed description is only the explanation of the preferred embodiment of the utility model, non-so limit to the scope of the claims of the present utility model, so the equivalence techniques that all this creation of utilization specifications and diagramatic content are done changes, and is all contained in the scope of the claims of the present utility model.
Claims (11)
1. an electric connector, is characterized in that, comprising:
One insulating body, has a base portion and a tongue is convexly equipped with forward from described base portion, and described base portion is offered a plurality of grooves;
A plurality of difference signal terminal are located in described insulating body row, and described difference signal terminal is revealed in described groove having the portion of appearing, adjacent described difference signal terminal right described in to appear the area of portion different.
2. electric connector as claimed in claim 1, is characterized in that: described groove is arranged with downwards and runs through described base portion from the end face of described base portion.
3. electric connector as claimed in claim 1, is characterized in that: described groove is arranged with forward formation from the rear end of described base portion, and the length that adjacent described groove is arranged with is different.
4. electric connector as claimed in claim 1, is characterized in that: in described groove, fill one first insulator, the dielectric constant of described the first insulator is different from the dielectric constant of described insulating body.
5. electric connector as claimed in claim 4, is characterized in that: described the first insulator is air or plastic cement.
6. electric connector as claimed in claim 5, is characterized in that: described the first insulator and described difference signal terminal are to after one-body molded, and by described difference signal terminal, to being installed in described insulating body, now described the first insulator is positioned at described groove.
7. electric connector as claimed in claim 5, is characterized in that: described difference signal terminal is to packing into after described insulating body, by described the first insulator encapsulating in described groove.
8. electric connector as claimed in claim 1, is characterized in that: the length of adjacent described groove is different, and width is identical.
9. electric connector as claimed in claim 1, is characterized in that: also comprise a plurality of earth terminals, described earth terminal and described difference signal terminal are to being staggered.
10. electric connector as claimed in claim 1, it is characterized in that: described in each, difference signal terminal is to comprising two signal terminals that transmit respectively positive and negative differential signal, described signal terminal has a fixed part and is fixed on described base portion, one contact site extends forward and is revealed in described tongue from described fixed part, and a weld part extends back and stretches out described base portion from described base portion.
11. electric connectors as claimed in claim 1, is characterized in that: described difference signal terminal, to being arranged as two rows, lays respectively at the both sides up and down of described tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512794.0U CN203536644U (en) | 2013-08-20 | 2013-08-20 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512794.0U CN203536644U (en) | 2013-08-20 | 2013-08-20 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203536644U true CN203536644U (en) | 2014-04-09 |
Family
ID=50422821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512794.0U Expired - Lifetime CN203536644U (en) | 2013-08-20 | 2013-08-20 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203536644U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404022A (en) * | 2016-04-21 | 2017-11-28 | 泰连公司 | Connector sub-component and the connector with signal and earth conductor |
| CN109193203A (en) * | 2018-08-17 | 2019-01-11 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109616789A (en) * | 2018-11-12 | 2019-04-12 | 东莞市鼎通精密五金股份有限公司 | Connector is used in a kind of transmission of differential type |
| CN109742606A (en) * | 2019-01-28 | 2019-05-10 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN110277699A (en) * | 2019-05-28 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
| US10741944B2 (en) | 2018-08-23 | 2020-08-11 | Lotes Co., Ltd | Electrical connector improving high-frequency characteristics |
| WO2024098767A1 (en) * | 2022-11-10 | 2024-05-16 | 华为技术有限公司 | Lead module, electric connector, connector assembly, and electronic device |
-
2013
- 2013-08-20 CN CN201320512794.0U patent/CN203536644U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404022A (en) * | 2016-04-21 | 2017-11-28 | 泰连公司 | Connector sub-component and the connector with signal and earth conductor |
| CN107404022B (en) * | 2016-04-21 | 2020-08-18 | 泰连公司 | Connector subassembly and connector with signal and ground conductors |
| CN109193203A (en) * | 2018-08-17 | 2019-01-11 | 番禺得意精密电子工业有限公司 | Electric connector |
| US10741944B2 (en) | 2018-08-23 | 2020-08-11 | Lotes Co., Ltd | Electrical connector improving high-frequency characteristics |
| CN109616789A (en) * | 2018-11-12 | 2019-04-12 | 东莞市鼎通精密五金股份有限公司 | Connector is used in a kind of transmission of differential type |
| CN109742606A (en) * | 2019-01-28 | 2019-05-10 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN109742606B (en) * | 2019-01-28 | 2020-12-22 | 番禺得意精密电子工业有限公司 | Electrical connector |
| CN110277699A (en) * | 2019-05-28 | 2019-09-24 | 番禺得意精密电子工业有限公司 | Electric connector |
| US10998679B2 (en) | 2019-05-28 | 2021-05-04 | Lotes Co., Ltd | Electrical connector improving high frequency characteristics |
| WO2024098767A1 (en) * | 2022-11-10 | 2024-05-16 | 华为技术有限公司 | Lead module, electric connector, connector assembly, and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |