CN101901998B - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN101901998B CN101901998B CN2009103026267A CN200910302626A CN101901998B CN 101901998 B CN101901998 B CN 101901998B CN 2009103026267 A CN2009103026267 A CN 2009103026267A CN 200910302626 A CN200910302626 A CN 200910302626A CN 101901998 B CN101901998 B CN 101901998B
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- Prior art keywords
- circuit board
- magnetic core
- conductive
- electric connector
- transformer
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Abstract
The invention discloses an electric connector. The electric connector comprises an insulating shell, a butting terminal and a circuit board, wherein the circuit board is arranged on the insulating shell,; the circuit board is provided with a common mode choke and a transformer formed by the circuit board; and the circuit board is provided with a conductive connecting path for connecting the common mode choke with the transformer to form a noise suppression circuit. The transformer of the electric connector is formed by the built-in circuit board, so the volume of the connector can be reduced and the production efficiency can be improved.
Description
[technical field]
The present invention relates to a kind of electric connector, relate in particular to a kind of electric connector with noise suppression arrangement.
[technical background]
Along with mechanics of communication constantly develops, data transmission bauds improves constantly, and simultaneously the comprehensive electric property of electric connector is proposed more to be strict with.
The prior art relevant with the present invention sees also the United States Patent (USP) the 6th of bulletin on August 5th, 2005; 926; No. 558; This patent disclosed one be applied in local area network (LAN) (LAN, Local Area Network) RJ45 type electric connector, this connector comprises insulator 1, the first terminal module 3, second terminal module 4, internal circuit board 6.The first terminal module is provided with in order to have the mounting terminal 4 that this electric connector is connected to motherboard (MotherBoard) on butt joint terminal 2, the second terminal modules that cooperate with butt connector.Internal circuit board is respectively arranged with two row welding holes at upper/lower terminal, and wherein outermost two row are used for butt end son 2 and mounting terminal 4 and worn and weld.On two surfaces of internal circuit board transformer 7a, common mode choke 7d, resistance 7b and electric capacity 7a are installed also simultaneously; These electronic building bricks are formed the noise reducing circuit circuit after the circuit board inner track connects, wherein the pin of transformer and common mode choke then wears and is soldered in the other two row welding holes of internal circuit board.
Though above prior art can realize the effect of noise suppression; But; Transformer on the internal circuit board and common mode choke need wear and be soldered in the two row welding holes of internal circuit board, influence production efficiency thereby this structure need expend the more time in process of production.
For enhancing productivity; Industry is soldered to internal circuit board after transformer and common mode choke are made into a magnetic coil module separately; United States Patent (USP) the 6th at bulletin on September 20th, 2005; 946; No. 942 patent has disclosed this kind electric connector, and this electric connector comprises butt end submodule, internal circuit board, mounting terminal module and magnetic coil module, and the magnetic coil module comprises box-like insulator, be housed in transformer and common mode choke in the insulator, in order to be soldered to the pin terminals of internal circuit board.The 7th, 326, No. 084 patent of United States Patent (USP) of on February 5th, 2008 bulletin disclosed another kind of like structure.
Though this electric connector adopts the magnetic coil module can reach the effect that suppresses noise, also enhances productivity simultaneously.But this magnetic coil module volume is bigger, has correspondingly increased the connector volume, can not satisfy the demand of miniaturization.
[summary of the invention]
The technical problem that the present invention will solve is to provide a kind of possess noise suppression effect, high, the less electric connector of volume of production efficiency.
For solving above technical problem; The present invention adopts following technical scheme: a kind of electric connector; It comprises an insulation shell, a circuit board and one group of butt joint terminal, and this insulation shell comprises a craft port, and this circuit board is mounted to insulation shell; This butt joint terminal and circuit board electrically connect and extend to said craft port; Bury in the circuit board and be formed with transformer, and on circuit board, be welded with common mode choke, circuit board also is formed with the conduction access path transformer is connected with common mode choke to constitute a noise reducing circuit.
In order to solve above technical problem; The present invention also can adopt following technical scheme: a kind of electric connector; It comprises an insulation shell, a circuit board and one group of butt joint terminal; This insulation shell comprises a craft port, and this circuit board is mounted to insulation shell, and this butt joint terminal and circuit board electrically connect and extend to said craft port; Bury in the circuit board and be formed with transformer and common mode choke, circuit board also is formed with the conduction access path transformer is connected with common mode choke to constitute a noise reducing circuit.
Compared with prior art, the transformer of electric connector of the present invention is to be formed by circuit board, avoids the use of independent magnetic coil module, can enhance productivity and reduce the volume of electric connector.
[description of drawings]
Fig. 1 is the stereogram that meets electric connector of the present invention;
Fig. 2 is the three-dimensional exploded view that meets electric connector of the present invention shown in the 1st figure;
Fig. 3 is the stereogram that meets connector terminals module of the present invention shown in the 1st figure;
Fig. 4 is another angle stereogram that meets connector terminals module of the present invention shown in the 1st figure;
Fig. 5 is the plane graph that meets internal circuit board first conductive layer of electric connector of the present invention shown in the 1st figure;
Fig. 6 is the plane graph that meets internal circuit board second conductive layer of electric connector of the present invention shown in the 1st figure;
Fig. 7 is the partial plan layout that meets the internal circuit board intermediate insulating layer of electric connector of the present invention shown in the 1st figure;
[embodiment]
See also the 1st and the 2nd figure, the electric connector 100 that meets this creation comprises insulator 1, terminal module 2, USB terminal group 3, LED indicating device 4 and shielding casing 5, shielding casing 51 and back shielding casing 52 two parts before shielding casing 5 comprises.In this execution mode, electric connector 100 is the connector that a regional network electric connector (RJ45) and USB connector pile up, but the invention is not restricted to this structure.
See also the 2nd figure, insulator 1 comprises one in order to the RJ45 craft port of accommodating the RJ45 connector connector 11, two LED accepting grooves 12, two in order to accommodate the USB craft port 13 of USB plug connector.Two LED indicating devices 4 are installed in respectively in two LED accepting grooves 12.
See also the 2nd figure to the 4th figure, terminal module 2 is mounted to insulator 1 from rear side, and this terminal module comprises butt joint terminal 21, internal circuit board 22, mounting terminal group 23, is welded on common mode choke 24, resistance 25 and electric capacity 26 on the circuit board 22.Butt joint terminal 21 comprises docking section 211, weld part 212 and connects both pars intermedias 213; Docking section 211 extends to the RJ45 craft port in order to electrically connect with the RJ45 connector connector; Pars intermedia 213 extends through and (does not indicate) in the pectination groove in the RJ45 craft port with fixing butt joint terminal 21, and weld part 212 is in order to be connected to internal circuit board 22.Mounting terminal group 23 comprises insulating end stroma 231 and mounting terminal 232 fixed thereon, and mounting terminal 232 1 ends link to each other with internal circuit board, and the other end then extends through insulating end stroma 231 to be mounted to a motherboard.
See also the 2nd figure and the 4th figure, internal circuit board 22 comprise two each bury transformer 27, the four assembly welding contact 28a of formation, 28b in its manufacture process; 28c, 28d, two groups of spliced eye 29a, 29b and some conduction access paths 30 couple together the each several part of circuit board and form a circuit; Four assembly welding contact 28a; 28b, 28c, 28d supply to dock terminal 21, common mode choke 24, resistance 25 and electric capacity 26 welding respectively; Two groups of spliced eye 28a, 28b supply LED indicating device 4 and mounting terminal 232 to install and welding respectively.
See also the 3rd figure to the 7th figure, below the transformer 27 that buries formation in the internal circuit board 22 is described in detail.Usually printed circuit board (PCB) is for by the several layers insulated substrate and the several layers conductive metal thin plate is one on top of another processes, this conductive metal layer in manufacture process also etching form certain circuit.In this execution mode, circuit board 22 comprises three-decker at least, i.e. the first conductive layer 22a, intermediate insulating layer 22b and the second conductive layer 22c.Be formed with pad 28b on the first conductive layer 22a, be formed with pad 28a on 28d and some conduction access paths 30, the second conductive layer 22c, 28c and some conduction access paths 30.
Two transformer 27 structures of burying formation on the internal circuit board 22 are identical; Each transformer 27 comprises ring-shaped magnetic core 271 that is fixed on the intermediate insulating layer 22b and the conductive through hole 272 that is located in intermediate insulating layer 22b, and wherein the two ends of conductive through hole 272 extend to the first conductive layer 22a and the second conductive layer 22b respectively.The 7th figure is the part sectioned view of one of them transformer 27 at intermediate insulating layer 22b; Ring-shaped magnetic core 271 comprises internal diameter and external diameter (indicating), and conductive through hole 272 is included in the inner via hole 272a of ring-shaped magnetic core 271 inner radius and at the accessibke porosity 272b of ring-shaped magnetic core 271 outer radius.
Each transformer 27 is also included within the first conductive layer 22a and goes up alternately be provided with first group just utmost point conducting strip 273 and first group utmost point conducting strip 274, on the second conductive layer 22c, alternately be provided with second group just utmost point conducting strip 275 and second group of inferior utmost point conducting strip 276.Each organizes conducting strip 273,274, and 275,276 extend to the external diameter direction from the inner radius of ring-shaped magnetic core 271 respectively, and width strengthens gradually.Interior conductive through hole 272a connects two groups of utmost point conducting strips 273,275 just in the inner radius of ring-shaped magnetic core 271; Outer conductive through hole 272b then connects two groups of utmost point conducting strips 273,275 just in the outer radius of ring-shaped magnetic core 271; Thereby with inside and outside conductive through hole 272a, 272b and two groups of continuous conductors that utmost point conducting strip 272,272 formation are just twined around ring-shaped magnetic core 271, i.e. first polar curve circles of transformer 27.With aforementioned similar, inside and outside conductive through hole 272a, 272b and two groups utmost point conducting strips 274,276 form the continuous conductors that twines around ring-shaped magnetic core 271, the i.e. inferior utmost point polar curve circle of transformer 27.This transformer 27 forms a filter circuit to eliminate the noise that external circuitry produces by conduction access path 30 and common mode choke 24, resistance 25, electric capacity 26.
In manufacture process, provide on the internal circuit board 22, bury on this internal circuit board 22 and form two transformers 27.Common mode choke 24, resistance 25, electric capacity 26, butt joint terminal 21 and mounting terminal group 23 are soldered to internal circuit board 22, to form terminal module 2.Two groups of USB terminal group are mounted to two USB craft port 13 of insulator 1 respectively, two LED indicating devices are mounted to two LED accepting grooves 12 respectively, then terminal module 2 is assembled on the insulator 1.At last front and back shielding casing 51,52 is assembled to insulator 1 so that it is coated, thus can the isolating exterior electromagnetic noise to the interference of transmission signals in the electric connector 100.
Among the present invention, transformer 27 is to be formed by internal circuit board 22, and compared to prior art, it can effectively reduce the volume of terminal module 2, thereby reduces the volume of electric connector.In this execution mode; Common mode choke is a surface attaching type assembly independently, and in other embodiments, this common mode choke 24 also can equally with transformer 27 be formed by internal circuit board 22; Further reduce terminal module 2 volumes, and can save the step of welding common mode choke 24.
Claims (9)
1. electric connector; It comprises an insulation shell, a circuit board and one group of butt joint terminal; This insulation shell comprises a craft port; This circuit board is mounted to insulation shell, and this butt joint terminal and said circuit board electrically connect also and extend to said craft port, it is characterized in that: bury in the said circuit board and be formed with transformer; And on circuit board, be welded with common mode choke; Said circuit board also is formed with the conduction access path said transformer is connected with common mode choke to constitute a noise reducing circuit, the coil that is embedded in the magnetic core in the circuit board in said transformer comprises and forms by conductive path on the circuit board, and said circuit board comprises first conductive layer, intermediate insulating layer and second conductive layer; The magnetic core of said transformer is imbedded intermediate insulating layer, and said conductive path comprises the plurality of conducting strips that is arranged on first conductive layer and second conductive layer, the conductive through hole that is located in intermediate insulating layer and electrically connects with said conducting strip.
2. electric connector as claimed in claim 1, wherein: said common mode choke is a surface labeling type electronic assembly.
3. electric connector as claimed in claim 1; Wherein: said magnetic core is a ring-type; It has internal diameter and external diameter; Said conductive through hole comprises interior conductive through hole that is arranged on the magnetic core inner radius and the outer conductive through hole that is arranged on the magnetic core outer radius, and said conducting strip extends setting from the interior radial outer diameter of magnetic core.
4. electric connector as claimed in claim 3, wherein: said conducting strip is bigger at the width of magnetic core inner radius than conducting strip at the width of magnetic core outer radius.
5. electric connector as claimed in claim 1, wherein: said electric connector is one to be applied in the electric connector of LAN.
6. electric connector; It comprises an insulation shell, a circuit board and one group of butt joint terminal; This insulation shell comprises a craft port; This circuit board is mounted to insulation shell; This butt joint terminal and said circuit board electrically connect also and extend to said craft port, it is characterized in that: bury in the said circuit board and be formed with transformer and common mode choke, said circuit board also is formed with the conduction access path said transformer is connected with common mode choke to constitute a noise reducing circuit; The coil that is embedded in the magnetic core in the circuit board in said transformer comprises and forms by conductive path on the circuit board; Said circuit board comprises first conductive layer, intermediate insulating layer and second conductive layer, and the magnetic core of said transformer is imbedded intermediate insulating layer, and said conductive path comprises the plurality of conducting strips that is arranged on first conductive layer and second conductive layer, the conductive through hole that is located in intermediate insulating layer and electrically connects with said conducting strip.
7. electric connector as claimed in claim 6; Wherein: said magnetic core is a ring-type; It has internal diameter and external diameter; Said conductive through hole comprises interior conductive through hole that is arranged on the magnetic core inner radius and the outer conductive through hole that is arranged on the magnetic core outer radius, and said conducting strip extends setting from the interior radial outer diameter of magnetic core.
8. electric connector as claimed in claim 7, wherein: said conducting strip is bigger at the width of magnetic core inner radius than conducting strip at the width of magnetic core outer radius.
9. electric connector as claimed in claim 6, wherein: also be welded with resistance and electric capacity on the said circuit board, said conduction access path connects and composes a noise reducing circuit with this resistance, electric capacity and said transformer, common mode choke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103026267A CN101901998B (en) | 2009-05-26 | 2009-05-26 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103026267A CN101901998B (en) | 2009-05-26 | 2009-05-26 | Electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101901998A CN101901998A (en) | 2010-12-01 |
| CN101901998B true CN101901998B (en) | 2012-07-04 |
Family
ID=43227313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103026267A Expired - Fee Related CN101901998B (en) | 2009-05-26 | 2009-05-26 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101901998B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959574B (en) | 2011-10-13 | 2017-04-05 | 苹果公司 | Power supply adaptor with single piece insulator component |
| CN103579863B (en) * | 2012-07-23 | 2016-01-20 | 台达电子工业股份有限公司 | Connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086636A (en) * | 1992-11-03 | 1994-05-11 | 惠特克公司 | Band filter and it is applied to the method for electric connector |
| US5587884A (en) * | 1995-02-06 | 1996-12-24 | The Whitaker Corporation | Electrical connector jack with encapsulated signal conditioning components |
| CN2696170Y (en) * | 2004-04-07 | 2005-04-27 | 宣得股份有限公司 | Filter connector |
| CN2805147Y (en) * | 2005-04-28 | 2006-08-09 | 连康电子股份有限公司 | Connector |
-
2009
- 2009-05-26 CN CN2009103026267A patent/CN101901998B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086636A (en) * | 1992-11-03 | 1994-05-11 | 惠特克公司 | Band filter and it is applied to the method for electric connector |
| US5587884A (en) * | 1995-02-06 | 1996-12-24 | The Whitaker Corporation | Electrical connector jack with encapsulated signal conditioning components |
| CN2696170Y (en) * | 2004-04-07 | 2005-04-27 | 宣得股份有限公司 | Filter connector |
| CN2805147Y (en) * | 2005-04-28 | 2006-08-09 | 连康电子股份有限公司 | Connector |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-214724A 1998.08.11 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101901998A (en) | 2010-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20170526 |