CN107768868A - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN107768868A CN107768868A CN201710844096.3A CN201710844096A CN107768868A CN 107768868 A CN107768868 A CN 107768868A CN 201710844096 A CN201710844096 A CN 201710844096A CN 107768868 A CN107768868 A CN 107768868A
- Authority
- CN
- China
- Prior art keywords
- differential pair
- differential
- electric connector
- circuit board
- signal
- 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.)
- Pending
Links
- 230000008054 signal transmission Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000003032 molecular docking Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding 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
- H01R13/02—Contact members
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
- H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
- H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of electric connector, it includes a circuit board and some differential pairs for differential signal transmission, the circuit board includes first surface and the second surface relative with first surface, the differential pair includes spaced apart two signal terminal, the signal terminal includes contact site and for the weld part with circuit board electrical connection, the signal terminal also includes the connecting portion of connection contact site and weld part, the first surface and second surface are respectively disposed with an at least differential pair, the weld part of the differential pair is smooth in first surface and second surface respectively, and form fixed electrical connection with first surface and second surface.The present invention, which can be achieved differential signal being distributed in the surface of circuit board two, to be carried out separating transmission so that the differential signal positioned at circuit board first surface improves the integrality that signal transmits with being reduced positioned at the differential signal crosstalk of circuit board second surface.
Description
Technical field
The present invention relates to a kind of electric connector, more particularly to a kind of electric connector for improving signal cross-talk.
Background technology
As Ethernet transmission speed develops toward high frequency, cross-interference issue seems particularly evident between Difference signal pair, and
The structure setting of signal terminal has obvious action for improving signal cross-talk.To reduce differential signal crosstalk in electric connector
Problem, a kind of existing way make differential signal opposite end to set Second terminal between adjacent Difference signal pair terminal
The contact site of son and the contact site of Second terminal extend in opposite direction, realize that electric current transmits round about, to reduce difference
Sub-signal is to the crosstalk between terminal, such as the signal disclosed in the patent that notification number is US6994594 and CN202585864U
Terminal structure.
But the differential pair in above patent for differential signal transmission is welded in the same surface of circuit board, difference
When signal is transmitted to circuit board surface, signal cross-talk easily occurs.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of by differential pair two tables arranged apart in circuit board
Face, increase signal transmission distance, to reduce the electric connector of signal cross-talk.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of electric connector, it includes a circuit board and some differential pairs for differential signal transmission, and the circuit board includes
First surface and the second surface relative with first surface, the differential pair include spaced apart two signal terminal, the letter
Number terminal includes contact site and also includes connection contact site and weldering for the weld part with circuit board electrical connection, the signal terminal
The connecting portion of socket part, the first surface and second surface are respectively disposed with an at least differential pair, the weld part of the differential pair
It is smooth in first surface and second surface respectively, and form fixed electrical connection with first surface and second surface.
As the improvement of above-mentioned technical proposal, the first surface is disposed with three differential pairs, and the second surface is disposed with
One differential pair.
As the further improvement of above-mentioned technical proposal, the first surface and second surface are respectively disposed with two difference
It is right.
Further, the first surface and second surface are respectively disposed with a differential pair.
Further, two signal terminals are in mirror-image structure in the differential pair.
Further, two weld parts have the enlarged portion that spacing increases in the differential pair.
Further, the differential pair includes the first differential pair and the second differential pair, and first differential pair is arranged in first
Surface, second differential pair are arranged in second surface.
Further, the spacing of two connecting portions is not less than the spacing of two contact sites in first differential pair, and described second is poor
It is divided to the spacing for being smaller than two contact sites of the connecting portion of centering two.
Further, the smooth plane where second surface of the connecting portion of second differential pair.
Further, weld part extends form connecting portion and contact site successively forward in first differential pair, and described second
Weld part extension forward forms connecting portion in differential pair, and its contact site is to bend extension backward from connecting portion front end to be formed.
The beneficial effects of the invention are as follows：The present invention in first surface and second surface by being respectively disposed with an at least difference
Right, the weld part of differential pair is smooth in first surface and second surface respectively, and forms fixation with first surface and second surface
Electrical connection, so as to as much as possible by differential signal be distributed in the surface of circuit board two carry out separate transmission so that positioned at circuit board
The differential signal of first surface is reduced with the differential signal crosstalk positioned at circuit board second surface, improves signal transmission
Integrality.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of first direction of the present invention.
Fig. 2 is the structural representation of second direction of the present invention.
Fig. 3 is the structural representation of third direction of the present invention.
Fig. 4 is the structural representation of another embodiment of signal terminal in the present invention.
Fig. 5 is the structural representation of signal terminal other direction in Fig. 4.
Fig. 6 is the structural representation of collets in the present invention.
Fig. 7 is the structural representation of collets other direction in the present invention.
Fig. 8 is the structural representation that the present invention is applied to RJ45 connectors.
Fig. 9 is Fig. 8 decomposing state structural representation.
Embodiment
Referring to figs. 1 to shown in Fig. 3, a kind of electric connector, it includes a circuit board 1 and for some of differential signal transmission
Differential pair 2, the circuit board 1 include first surface 11 and the second surface 12 relative with first surface 11, and the differential pair 2 wraps
Spaced apart two signal terminal 21 is included, the signal terminal 21 includes contact site 211 and the weldering for being electrically connected with circuit board 1
Socket part 213, the contact site 211 is used for and aerial lug（It is not shown）Electrical connection, the signal terminal 21 also include connection
The connecting portion 212 of contact site 211 and weld part 213, as shown in figure 1, the connecting portion 212 is located at contact site 211 and weld part
Connection function is played between 213, the first surface 11 and second surface 12 are respectively disposed with an at least differential pair 2, the difference
It is smooth in first surface 11 and second surface 12 respectively to 2 weld part 213, and formed with first surface 11 and second surface 12
Fixed electrical connection, weld part 213 can by weld, apply colloid or by outer structural parts fix etc. mode be fixed on first
Surface 11 and second surface 12, it is fixed in the present embodiment, but does not limit using welding manner, in addition, reference
Shown in Fig. 6 and Fig. 7, it can also be provided for fixing the fixed block 3 of differential pair 2 on circuit board 1, make differential pair 2 more firm
The first surface 11 and second surface 12 of circuit board 1 are fixed on, fixed block 3 can be by being fastened on circuit board 1.
The quantity of differential pair 2 can be set according to actual demand, and reference picture 1 and Fig. 3 show embodiments of the invention
One, the first surface 11 is disposed with three differential pairs 2, and the second surface 12 is disposed with a differential pair 2.The present embodiment is set altogether
There are four differential pairs 2, four groups of differential signals can be transmitted, be applicable to such as RJ45 connectors（It is commonly called as network interface）On signal transmission.
Embodiment two（It is not shown）, the first surface 11 and second surface 12 are respectively disposed with two differential pairs 2.This implementation
Example is provided with four differential pairs 2 altogether, can transmit four groups of differential signals, may be equally applied to such as the signal transmission on RJ45 connectors.
Embodiment three（It is not shown）, the first surface 11 and second surface 12 are respectively disposed with a differential pair 2.Compared to reality
Apply example one and embodiment two, two differential pairs 2 be provided only with the present embodiment, two groups of differential signals can be transmitted, be applicable to as
Signal transmission on RJ11 connectors.
Further, two signal terminals 21 are in mirror-image structure in the differential pair 2, therefore, two signal ends in each differential pair 2
Son 21 has the transmission path of equal length, ensure that the uniformity of signal transmission.
As shown in figure 3, two weld parts 213 have the enlarged portion 2131 that spacing increases, enlarged portion 2131 in the differential pair 2
The impedance of adjustable signal terminal 21, reduce signal transmission attenuation.
As shown in Figure 6 and Figure 7, the differential pair 2 includes the first differential pair 2 ' and the second differential pair 2 ' ', described first is poor
Divide and first surface 11, second differential pair 2 ' be arranged in 2 ' ' it is arranged in second surface 12, it is illustrated that cloth on middle first surface 11
3 first differential pairs 2 ' are equipped with, one second differential pair 2 ' is disposed with second surface 12 '.
Further, the impedance between the different differential pairs 2 of adjustment, the uniformity of promotion signal transmission, first difference
The spacing of two contact sites 211 ', second differential pair 2 ' are not less than to the spacing of two connecting portions 212 ' in 2 ' ' in two connecting portions
212 ' ' be smaller than two contact sites 211 ' ' spacing, shown in reference picture 6 and Fig. 7, two connecting portions in the first differential pair 2 '
The spacing that 212 ' spacing is wider than the spacing of two contact sites 211 ', the second differential pair 2 ' ' in two connecting portions 212 ' ' is narrower than two contacts
Portion 211 ' ' spacing.
As shown in Fig. 2 second differential pair 2 ', ' connecting portion 212 ' ' is smooth in the place plane of second surface 12, so as to
So that differential signal is in the second differential pair 2 ' ' on transmit when with lower impedance, in addition, it should be noted that, in the present embodiment
In, the connecting portion 212 ' of first differential pair 2 ' ' towards the front upper place of first surface 11（As shown in Fig. 2 coordinates）Tilt, still,
In embodiment, its connecting portion 212 ' equally may be configured as smooth in the place plane of first surface 11.
As shown in Figure 6 and Figure 7, extension forms connecting portion 212 ' to weld part 213 ' forward successively in first differential pair 2 '
With contact site 211 ', second differential pair 2 ' ' in weld part 213 ' ' extension forms connecting portion 212 ' forward ', and it is contacted
Portion 211 ' ' be from connecting portion 212 ' ' front end bends extension and formed backward, in present embodiment, the contact of the first differential pair 2 '
Portion 211 ' is in cantilever-shaped, the second differential pair 2 ' ' connecting portion 212 ' ' also in cantilever-shaped, and its contact site 211 ' ' from connecting portion
212 ' ' it is in hanging shape after front end bends extension backward, due to the contact site 211 ' and the second differential pair 2 ' of the first differential pair 2 ' '
Contact site 211 ' ' there is different bearing of trends, therefore, during differential signal transmission, the contact site 211 ' of the first differential pair 2 '
' contact site 211 ' ' has different electric current transmission directions with the second differential pair 2 ', can play the mesh for reducing differential signal crosstalk
's.
In addition, the second differential pair 2 ' ' embodiment in embodiment of above, in addition to Fig. 4 and Fig. 5 is not limited to, should
Extension forms weld part 213 ' in embodiment, the second differential pair 2 ' ' in weld part 213 ' ' forward successively ' and contact site
211 ' ', in the embodiment, the contact site 211 ' of the first differential pair 2 ' and the second differential pair 2 ' ' contact site 211 ' ' are in cantilever
Shape, the contact site 211 ' of the first differential pair 2 ' and the second differential pair 2 ' ' contact site 211 ' ' have identical electric current transmission side
To.
Reference picture 8 and Fig. 9 show the structural representation that the present invention is applied to RJ45 connectors, and the RJ45 connectors include
One insulating body 5 and the shield shell 4 for being coated on the surface of insulating body 5, the insulating body 5 are provided with one in one end
Docking groove 51, docking groove 51 are used for and an aerial lug（It is not shown）Docking with realize signal transmit, the insulating body 5 in
The close position of docking groove 51 is additionally provided with an accommodating area 52, and the circuit board 1 in the present invention is fixed in accommodating area 52, its signal end
Son 21 extend and is exposed in docking groove 51 towards the direction of docking groove 51, and aerial lug is by accessing in docking groove 51 simultaneously and signal
Terminal 21 contacts, so as to realize signal conduction.One embodiment of the present invention is these are only, present invention may be equally applicable to remove
RJ11 connectors outside RJ45 connectors, or other can reach constructed purpose（Reduce signal cross-talk）Connector.
The present invention in first surface 11 and second surface 12 by being respectively disposed with an at least differential pair 2, the weldering of differential pair 2
Socket part 213 is smooth in first surface 11 and second surface 12 respectively, and forms fixation with first surface 11 and second surface 12
Electrical connection, carry out separating transmission so as to which differential signal is distributed in into 1 liang of surface of circuit board as much as possible so that positioned at circuit board 1
The differential signal of first surface 11 is reduced with the differential signal crosstalk positioned at the second surface 12 of circuit board 1, improves signal
The integrality of transmission.
It is described above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as
It reaches the technique effect of the present invention with any same or similar means, should all fall into protection scope of the present invention.
Claims (10)
1. a kind of electric connector, it includes a circuit board and some differential pairs for differential signal transmission, the circuit board bag
First surface and the second surface relative with first surface are included, the differential pair includes spaced apart two signal terminal, described
Signal terminal includes contact site and for the weld part with circuit board electrical connection, the signal terminal also include connection contact site and
The connecting portion of weld part, it is characterised in that：The first surface and second surface are respectively disposed with an at least differential pair, the difference
Point to weld part it is smooth in first surface and second surface respectively, and form fixed be electrically connected with first surface and second surface
Connect.
2. electric connector according to claim 1, it is characterised in that：The first surface is disposed with three differential pairs, described
Second surface is disposed with a differential pair.
3. electric connector according to claim 1, it is characterised in that：The first surface and second surface are respectively disposed with
Two differential pairs.
4. electric connector according to claim 1, it is characterised in that：The first surface and second surface are respectively disposed with
One differential pair.
5. electric connector according to claim 1, it is characterised in that：Two signal terminals are in mirror image knot in the differential pair
Structure.
6. electric connector according to claim 1, it is characterised in that：Two weld parts have spacing increasing in the differential pair
Enlarged portion.
7. electric connector according to claim 1, it is characterised in that：The differential pair is poor including the first differential pair and second
Point pair, first differential pair is arranged in first surface, and second differential pair is arranged in second surface.
8. electric connector according to claim 7, it is characterised in that：The spacing of two connecting portions is not in first differential pair
Less than the spacing of two contact sites, the spacing for being smaller than two contact sites of two connecting portions in second differential pair.
9. electric connector according to claim 7, it is characterised in that：The connecting portion of second differential pair is smooth in second
Plane where surface.
10. electric connector according to claim 7, it is characterised in that：Weld part is facing forward successively in first differential pair
Extension forms connecting portion and contact site, and weld part extension facing forward forms connecting portion in second differential pair, and its contact site is
Extension is bent backward from connecting portion front end to be formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844096.3A CN107768868A (en) | 2017-09-19 | 2017-09-19 | Electric connector |
| US16/132,814 US20190089096A1 (en) | 2017-09-19 | 2018-09-17 | Electrical connector for reducing crosstalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844096.3A CN107768868A (en) | 2017-09-19 | 2017-09-19 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107768868A true CN107768868A (en) | 2018-03-06 |
Family
ID=61265662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710844096.3A Pending CN107768868A (en) | 2017-09-19 | 2017-09-19 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107768868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366856A (en) * | 2018-12-26 | 2020-07-03 | 致茂电子(苏州)有限公司 | Clamp type testing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202585864U (en) * | 2012-03-02 | 2012-12-05 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN102882039A (en) * | 2011-07-14 | 2013-01-16 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN104425929A (en) * | 2013-08-30 | 2015-03-18 | 台达电子工业股份有限公司 | Terminal module for RJ (ring joint) connector |
| CN207183601U (en) * | 2017-09-19 | 2018-04-03 | 东莞立德精密工业有限公司 | Electric connector |
-
2017
- 2017-09-19 CN CN201710844096.3A patent/CN107768868A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882039A (en) * | 2011-07-14 | 2013-01-16 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202585864U (en) * | 2012-03-02 | 2012-12-05 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN104425929A (en) * | 2013-08-30 | 2015-03-18 | 台达电子工业股份有限公司 | Terminal module for RJ (ring joint) connector |
| CN207183601U (en) * | 2017-09-19 | 2018-04-03 | 东莞立德精密工业有限公司 | Electric connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366856A (en) * | 2018-12-26 | 2020-07-03 | 致茂电子(苏州)有限公司 | Clamp type testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180306 |
|
| WD01 | Invention patent application deemed withdrawn after publication |