CN105470755A - RJ45 socket connector - Google Patents
RJ45 socket connector Download PDFInfo
- Publication number
- CN105470755A CN105470755A CN201410419457.6A CN201410419457A CN105470755A CN 105470755 A CN105470755 A CN 105470755A CN 201410419457 A CN201410419457 A CN 201410419457A CN 105470755 A CN105470755 A CN 105470755A
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- Prior art keywords
- terminal
- socket connector
- circuit board
- insulating carrier
- connector
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Abstract
The invention discloses an RJ45 socket connector, which comprises an insulated body and a terminal module arranged on the insulated body, wherein the insulated body is provided with a butting port for enabling a butting connector to be inserted and matched along a horizontal direction; the terminal module comprises butting terminals matched with the butting connector, pin terminals arranged to an external circuit board, and a filter assembly electrically connected between the butting terminals and the pin terminals; the filter assembly comprises an insulated carrier and a plurality of magnetic coils accommodated in the insulated carrier; and each magnetic coil comprises a first wire terminal and a second wire terminal arranged oppositely to the first wire terminal. The electrical length between the point where each butting terminal is contacted with the RJ45 socket connector and the point where each pin terminal and the external circuit board are connected is short, and thus, 40 Gbps network signals are transmitted.
Description
[technical field]
The present invention relates to a kind of RJ45 socket connector, particularly relating to a kind of RJ45 socket connector for transmitting 40Gbps network signal.
[background technology]
The transmission speed of Ethernet progressively expands to 100Mbps, 1Gbps, 10Gbps from initial 10Mbps, and the price of Ethernet is also followed Moore's Law and large-scale production and declined rapidly.Meanwhile, along with user's undergoes rapid expansion is to hundreds of millions of, the value of network is beyond measure all the more.Nowadays, Ethernet has become the dominant network technology in Local Area Network, and along with Ji is than the appearance of Ethernet, Ethernet has started to walk greatly to metropolitan area network (MAN) to stride forward.
The transmission speed of follow-on Ethernet will reach 40Gbps, the network signal of high-speed transfer like this, traditional RJ45 socket connector cannot meet, due to the raising of transmission speed, the electromagnetic interference of the docking terminal in RJ45 socket connector can be suitable large, to such an extent as to test specification requirement cannot be met with traditional RJ45 socket connector transmission.
Prior art please refer to the CN201498788U Chinese invention patent of bulletin on June 2nd, 2010, it discloses a kind of traditional RJ45 socket connector, its docking terminal and RJ45 connector connector contact point very long to the electrical length of pin terminal and the external circuit board tie point, therefore loss is large, can not meet the specification that 40Gbps network transfer speeds requires.
[summary of the invention]
Technical problem to be solved by this invention is: provide a kind of RJ45 socket connector, its docking terminal and RJ45 connector connector contact point are short to the electrical length of pin terminal and the external circuit board tie point, with the satisfied specification requirement transmitting the network transfer speeds of 40Gbps.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of RJ45 socket connector, it terminal module comprising insulating body and be installed on insulating body, described insulating body be provided with for butt connector insert along the longitudinal direction cooperation to socket, described terminal module comprises the docking terminal for coordinating with butt connector, for being mounted to the pin terminal of the external circuit board, be electrically connected at the filtering unit between docking terminal and pin terminal, described filtering unit comprises insulating carrier and is contained in some magnetic coils of insulating carrier, the second rear line head that described magnetic coil comprises first end the end of a thread and is oppositely arranged with first end the end of a thread, wherein said docking terminal has the fixed part being installed on insulating carrier front bottom end, self-retaining portion extends beyond the first line portion of insulating carrier downwards, and self-retaining portion extends to forward the overhang to socket, described pin terminal comprises the holding parts be installed on bottom insulating carrier rear end and the second line portion extending beyond insulating carrier from holding parts downwards, described magnetic coil is between docking terminal and pin terminal, described first end the end of a thread is wound in the first line portion, described second the end of a thread is wound in the second line portion.
Compared with prior art, the structure that the present invention will be connected with pin terminal and coiling by docking terminal, make docking terminal and RJ45 connector connector contact point extremely short to the electrical length of pin terminal and the external circuit board tie point, reduce loss, the specification requirement of the network transfer speeds of transmission 40Gbps can be met.
[accompanying drawing explanation]
Fig. 1 is the stereogram on RJ45 socket connector of the present invention circuit board mounted externally.
Fig. 2 is the stereogram of the socket connector of RJ45 shown in Fig. 1.
Fig. 3 is the exploded view of the socket connector of RJ45 shown in Fig. 2.
Fig. 4 is another visual angle exploded view of the socket connector of RJ45 shown in Fig. 3.
Fig. 5 be the module of terminal shown in Fig. 4 exploded view.
Fig. 6 is the stereogram that the terminal of docking shown in Fig. 5 is arranged on sub-circuit board.
Fig. 7 is the cutaway view of the socket connector of RJ45 shown in Fig. 1.
[main element symbol description]
| Insulating body | 1 | To socket | 10 |
| RJ45 socket connector | 100 | Antetheca | 11 |
| Rear wall | 12 | Jube groove | 121 |
| Jube arm | 122 | Guid arm | 123 |
| Roof | 13 | Support slot | 131 |
| Diapire | 14 | Sidewall | 15 |
| Terminal module | 2 | The external circuit board | 200 |
| Docking terminal | 21 | First docking terminal | 211 |
| Second docking terminal | 212 | 3rd docking terminal | 213 |
| 4th docking terminal | 214 | 5th docking terminal | 215 |
| 6th docking terminal | 216 | 7th docking terminal | 217 |
| 8th docking terminal | 218 | Magnetic coil | 22 |
| Magnetic core | 221 | Insulating carrier | 23 |
| Host cavity | 230 | Front bulkhead | 231 |
| Midfeather | 232 | Aft bulkhead | 233 |
| Vertical slots | 2331 | Level trough | 2332 |
| Pin terminal | 24 | Holding parts | 241 |
| Insert most advanced and sophisticated | 2411 | Convex thorn | 2412 |
| Coupling recess portion | 2413 | Second line portion | 242 |
| Installation portion | 243 | First horizontal part | 2431 |
| Second horizontal part | 2432 | Sub-circuit board | 25 |
| Downside | 252 | Capacitor | 253 |
| Welding groove | 254 | Metal screen case | 3 |
| The first terminal holddown groove | 71 | Second terminal fixing grooves | 72 |
| 3rd terminal fixing grooves | 73 | 4th terminal fixing grooves | 74 |
| Five-terminals holddown groove | 75 | 6th terminal fixing grooves | 76 |
| 7th terminal fixing grooves | 77 | 8th terminal fixing grooves | 78 |
| First line portion | 81 | Fixed part | 82 |
| Extension | 83 | First kink | 84 |
| Second kink | 85 | Breach | 90 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
[embodiment]
As shown in Figures 1 to 7, for a kind of RJ45 socket connector 100 according to the invention, it can be mounted on the external circuit board 200, for the network signal between relaying transport RJ45 connector connector (crystal head, not shown) and the external circuit board 200.RJ45 socket connector 100 of the present invention is for transmitting the express network signal of 40Gbps.
The metal screen case 3 that RJ45 socket connector 100 comprises insulating body 1, is installed on the terminal module 2 of insulating body 1 rear end and is coated on outside insulating body 1.
Insulating body 1 is roughly square, and comprises antetheca 11, rear wall 12, roof 13, diapire 14 and two side 15.Insulating body 1 be provided with for RJ45 connector connector (butt connector) insert along the longitudinal direction coordinate to socket 10.Described socket 10 to be recessed to form backward from antetheca 11, and to be made around by antetheca 11, rear wall 12, roof 13, diapire 14 and two side 15.The centre position, front end of roof 13 be provided with run through roof 13 downwards and with the support slot 131 through to socket 10, wherein support slot 131 is for being clasped with the buckle afterbody of RJ45 connector connector.Described rear wall 12 is provided with a transversely arranged row from the recessed forward jube groove 121 of rear wall 12 and the jube arm 122 between adjacent two jube grooves.Described jube groove 121 is communicated with in the longitudinal direction with to socket 10.Described insulating body 1 also comprises a pair guid arm 123 extended back respectively from its rear wall 12 lower left corner and the lower right corner, and described guiding walls 123 slips into installation for guide end submodule group 2, the setting party of guid arm 123 the installation of terminal module 2.
Terminal module 2 comprise for and RJ45 connector connector coordinate row's docking terminal 21, for being mounted to row's pin terminal 24 of the external circuit board 200, that the magnetic coil 22(be electrically connected between docking terminal 21 and pin terminal 24 connects enamelled wire is not shown) and for the insulating carrier 23 of fixing docking terminal 21 and pin terminal 24.Described terminal module 2 also comprises the sub-circuit board 25 being arranged on and being connected on the downside of insulating carrier 23 and with docking terminal 21, described sub-circuit board 25 is horizontally disposed with and is provided with near the upper side of insulating carrier 23 and the downside 252 that arrange contrary to upper side, and described downside 252 is provided with some capacitors 253 with docking terminal 21 and being electrically connected.Described sub-circuit board 25 is provided with some welding grooves 254 running through sub-circuit board 25 front end along the vertical direction, and described docking terminal 21 one end plugs and is connected to welding groove 254, and described docking terminal 21 other end passes jube groove 121 and extends in socket 10.
Some midfeathers 232 that insulating carrier 23 has front bulkhead 231, aft bulkhead 233 and is connected between front bulkhead 231 and aft bulkhead 233.Described front bulkhead 231, aft bulkhead 233 and some midfeathers 232 surround one to the host cavity 230 of under shed, and described docking terminal 21 is fixed on front bulkhead 231, and described pin terminal 24 is fixed on aft bulkhead 233, and described magnetic coil 22 is contained in host cavity 230.Described magnetic coil 22 is between docking terminal 21 and pin terminal 24.
As shown in Figure 6, one row's docking terminal 21 comprises transverse direction and is arranged in order and the first to the 8th docking terminal (number in the figure should be 211 to 218 mutually) being installed on sub-circuit board 25 front end, first, second docking terminal 211,212 described, three, the 6th docking terminal 213,216, four, the 5th docking terminal the 214,215, the 7th, the 8th docks terminal 217,218 and is respectively used to transmission a pair Difference signal pair.The some capacitors 253 be arranged on sub-circuit board 25 comprise be electrically connected at the first docking terminal 211 and the 3rd docking terminal 213 between capacitor, be electrically connected at the 3rd docking terminal 213 and the 5th docking terminal 215 between capacitor, be electrically connected at the 4th docking terminal 214 and the 6th docking terminal 216 between capacitor, be electrically connected at the 6th docking terminal 216 and the 8th docking terminal between 218 capacitor.By the testing electrical property under 40Gbps network signal transmission speed, increase the capacitance compensation of these capacitors 253, contrast the test result display do not increased, after increase, have better NEXT characteristic.
Described first to the 8th docking terminal 211-218 all from sub-circuit board 25 upwards extend backward before overhang, described first to the 8th docks terminal 211-218 has the first to the 8th installation portion (non-label) being arranged on sub-circuit board 25 respectively.Described 3rd, the 6th docking terminal the 213,216 or the 4th, the 5th docks terminal 214,215 installation portion and other installation portions and staggers and arrange (because inventive concept is similar, accompanying drawing is only illustrated and illustrated the 4th, the 5th and dock terminal 214,215 and to stagger setting in other terminals) along direction of insertion.Three, the 6th docking terminal the 213,216 or the 4th, the 5th docks the installation portion of at least one pair of of terminal 214,215 and other installation portions and staggers along direction of insertion and arrange, through the testing electrical property under 40Gbps network signal transmission speed, test result display is compared well to offer and is put, and interchannel crosstalk (crosstalk) reduces a lot.Described 3rd, the 6th docking terminal the 213,216 or the 4th, the 5th docks the installation portion of at least one pair of of terminal 214,215 and other installation portions and to stagger in an insertion direction at least 1.02mm, this distance that staggers is according to the requirement of 40Gbps network transmission signal, and test draws.Described 3rd, the 6th docking terminal the 213,216 or the 4th, the 5th docks the installation position of at least one pair of of terminal 214,215 in the rear side of other installation portions, and other can be made on rear side of being arranged on to dock terminal can be more forward.As shown in Figure 5, the first to the 8th terminal fixing grooves 71-78 to open front is provided with bottom the front bulkhead 231 of described insulating carrier 23, three, at least one pair of terminal fixing grooves of the 6th terminal fixing grooves the 73,76 or the 4th, Five-terminals holddown groove 74,75 extends rearward beyond other terminal fixing grooves (because inventive concept is similar, accompanying drawing is only illustrated and is illustrated the 4th, Five-terminals holddown groove 74,75 to stagger setting in other holddown grooves), to coordinate the setting of aforementioned docking terminal 21.Described first to the 8th docking terminal 211-218 is contained in the first to the 8th terminal fixing grooves 71-78 successively.
As shown in Figure 6, each extension 83 that docking terminal 21 comprises the first line portion 81 between insulating carrier 23 and sub-circuit board 25, the fixed part 82 upwards extended from the first line portion 81, self-retaining portion 82 upper horizontal extend forward, from the front end of extension 83 upwards and the first kink 84 that extends and from the end of the first kink 84 downwards and the second kink 85 extended that turns forward of turning forward.Described first line portion 81 extends beyond insulating carrier 23 downwards.Each fixed part 82 interference is retained in the corresponding holddown groove 71-78 in bottom of the front bulkhead 231 of insulating carrier 23.Described extension 83 and the first kink 84 are overhanging in socket 10, and described second kink 85 is for guiding the insertion of RJ45 connector connector.
As shown in figure 5 and figure 7, each pin terminal 24 has the holding parts 241 be fixed on insulating carrier 23 aft bulkhead 233, extends forward backward downward-extension exceed the second line portion 242 of insulating carrier 23 aft bulkhead 233 and extend rearward beyond the installation portion 243 of aft bulkhead 233 from holding parts 241 bottom holding parts 241.Described installation portion 243 extends back and exceeds aft bulkhead 233, described installation portion 243 for surface soldered (SMT) to the external circuit board 200.The bottom of described aft bulkhead 233 is provided with the terminal groove under shed, and described terminal groove comprises the level trough 2332 of the vertical slots 2331 and horizontal-extending vertically extended.Described holding parts 241 is arranged in vertical slots 2331, and described installation portion 243 is contained in level trough 2332 at least partly.Described level trough 2332 runs through the aft bulkhead 23 of insulating carrier 23 along the longitudinal direction, arranges the reason line operation being convenient to enamelled wire the end of a thread like this.Holding parts 241 is provided with the coupling recess portion 2413 being positioned at the outwardly convex thorn 2412 in middle part, being positioned at the insertion tip 2411 above convex thorn 2412 and being positioned at below convex thorn 2412.The width of convex thorn 2412 is greater than the width inserting most advanced and sophisticated 2411 and coupling recess portion 2413.Installation portion 243 comprises the first horizontal part 2431 near holding parts 241 and level extends back after the first horizontal part 2431 is tilted to downward-extension the second horizontal part 2432, and what installation portion 243 was convenient in setting like this is soldered to the external circuit board 200.
Described magnetic coil 22 comprises transformer coil and common mode inhibition device coil, the enamelled wire (not shown) that each coil comprises magnetic core 221 and is wrapped on magnetic core, described enamelled wire has the first end the end of a thread (not shown) being connected to docking terminal 21 and the second rear line head (not shown) being connected to pin terminal 24, and described first end the end of a thread and the second rear line head are two free terminals of enamelled wire.Described first end the end of a thread is wound in the first line portion 81 of docking terminal 21, and described second rear line head is wound in the second line portion 242 of pin terminal 24.By docking the vibrational power flow of terminal 21, make docking terminal 21 and RJ45 connector connector contact point the shortest with the electrical distance of the first line portion 81 link position docking terminal 21 to first end the end of a thread of enamelled wire.By the vibrational power flow of pin terminal 24, make the second line portion 242 of pin terminal 24 and the tie point of enamelled wire second rear line head the shortest to the electrical distance of the tie point of pin terminal 24 and the external circuit board 200.By arranging while docking terminal 21 and pin terminal 24 structure, make to dock terminal 21 and RJ45 connector connector contact point the shortest to the electrical distance of the tie point of pin terminal and the external circuit board 200.
The link position in the end of a thread of first end shown in figure and the first line portion 81 and the second rear line head and the link position in the second line portion 242 be not in same level, but the link position in described first end the end of a thread and the first line portion 81 and the second rear line head and the link position in the second line portion 242 can be arranged in same level, can reduce further like this on docking terminal 21 with the contact point of the RJ45 connector connector electrical length to pin terminal 24 installation portion 243, the network signal being more conducive to 40Gbps transmits.Described second line portion 242 be provided be convenient to second rear line head be wound around breach 90, breach 90 the winding facilitating enamelled wire the end of a thread is set.
The present invention is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop in protection scope of the present invention.
Claims (10)
1. a RJ45 socket connector, it terminal module comprising insulating body and be installed on insulating body, described insulating body be provided with for butt connector insert along the longitudinal direction cooperation to socket, described terminal module comprises the docking terminal for coordinating with butt connector, for being mounted to the pin terminal of the external circuit board, be electrically connected at the filtering unit between docking terminal and pin terminal, described filtering unit comprises insulating carrier and is contained in some magnetic coils of insulating carrier, the second rear line head that described magnetic coil comprises first end the end of a thread and is oppositely arranged with first end the end of a thread, it is characterized in that: described docking terminal has the fixed part being installed on insulating carrier front bottom end, self-retaining portion extends beyond the first line portion of insulating carrier downwards, and self-retaining portion extends to forward the overhang to socket, described pin terminal comprises the holding parts be installed on bottom insulating carrier rear end and the second line portion extending beyond insulating carrier from holding parts downwards, described magnetic coil is between docking terminal and pin terminal, described first end the end of a thread is wound in the first line portion, described second the end of a thread is wound in the second line portion.
2. RJ45 socket connector as claimed in claim 1, is characterized in that: described overhang comprises extension that top, self-retaining portion extends forward, from the front end of extension forward and the first kink that extends and from the first kink forward and the second kink of downward-sloping extension of being inclined upwardly.
3. RJ45 socket connector as claimed in claim 1, is characterized in that: described pin terminal also comprises the installation portion extended back from holding parts level, and described installation portion is used for surface soldered to the external circuit board.
4. RJ45 socket connector as claimed in claim 1, is characterized in that: described first end the end of a thread is wrapped in the position that the position in the first line portion and the second rear line head be wrapped in the second line portion and is in same level.
5. RJ45 socket connector as claimed in claim 1, it is characterized in that: described insulating carrier has front bulkhead, aft bulkhead and is connected to the some midfeathers between front bulkhead and aft bulkhead, described front bulkhead, aft bulkhead and some midfeathers surround one to the host cavity of under shed, described docking terminal is fixed on front bulkhead, described pin terminal is fixed on aft bulkhead, and described magnetic coil is contained in host cavity.
6. RJ45 socket connector as claimed in claim 5, is characterized in that: the lower end of the front bulkhead of described insulating carrier is provided with the holddown groove to open front, and described fixed part interference is retained in holddown groove.
7. RJ45 socket connector as claimed in claim 5, is characterized in that: the lower end of the aft bulkhead of described insulating carrier is provided with the holding slot under shed, and described holding parts interference is retained in holding slot.
8. RJ45 socket connector as claimed in claim 1, is characterized in that: described terminal module also has the sub-circuit board with butt end sub-connection, and described sub-circuit board is provided with and the capacitor docking terminal and be electrically connected.
9. RJ45 socket connector as claimed in claim 8, it is characterized in that: described sub-circuit board is horizontally set on the below of insulating carrier, described sub-circuit board is provided with welding groove, and described docking terminal plugs and is connected to welding groove.
10. RJ45 socket connector as claimed in claim 1, it is characterized in that: described filter element comprises transformer magnetic coil and common mode inhibition device magnetic coil, each magnetic coil comprises magnetic core and is wrapped in the enamelled wire on magnetic core, and described first end the end of a thread and the second rear line head are two free terminals of enamelled wire.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419457.6A CN105470755B (en) | 2014-08-21 | 2014-08-21 | RJ45 socket connectors |
| US14/831,889 US9520687B2 (en) | 2014-08-21 | 2015-08-21 | High bandwith jack with RJ45 backwards compatibility having an improved structure for reducing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410419457.6A CN105470755B (en) | 2014-08-21 | 2014-08-21 | RJ45 socket connectors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470755A true CN105470755A (en) | 2016-04-06 |
| CN105470755B CN105470755B (en) | 2018-07-06 |
Family
ID=55608210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410419457.6A Active CN105470755B (en) | 2014-08-21 | 2014-08-21 | RJ45 socket connectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470755B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069337A (en) * | 2017-05-04 | 2017-08-18 | 东莞立德精密工业有限公司 | Filter module |
| CN108281854A (en) * | 2017-12-01 | 2018-07-13 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
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| US6554638B1 (en) * | 1998-10-14 | 2003-04-29 | Stewart Connector Systems, Inc. | Modular electrical connector assemblies with magnetic filter and/or visual indicator |
| US6644984B2 (en) * | 2002-02-08 | 2003-11-11 | Astec International Limited | Plug assembly with spring loaded contact terminals |
| US20040014362A1 (en) * | 2002-07-16 | 2004-01-22 | Slack Victor E. | Shielded modular jack assembly for ethernet applications |
| CN201230009Y (en) * | 2008-05-10 | 2009-04-29 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN101908683A (en) * | 2009-06-03 | 2010-12-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector and assembly method thereof |
| CN203562517U (en) * | 2013-09-06 | 2014-04-23 | 东莞立德精密工业有限公司 | A filter module structure |
-
2014
- 2014-08-21 CN CN201410419457.6A patent/CN105470755B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6554638B1 (en) * | 1998-10-14 | 2003-04-29 | Stewart Connector Systems, Inc. | Modular electrical connector assemblies with magnetic filter and/or visual indicator |
| US6644984B2 (en) * | 2002-02-08 | 2003-11-11 | Astec International Limited | Plug assembly with spring loaded contact terminals |
| US20040014362A1 (en) * | 2002-07-16 | 2004-01-22 | Slack Victor E. | Shielded modular jack assembly for ethernet applications |
| CN201230009Y (en) * | 2008-05-10 | 2009-04-29 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN101908683A (en) * | 2009-06-03 | 2010-12-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector and assembly method thereof |
| CN203562517U (en) * | 2013-09-06 | 2014-04-23 | 东莞立德精密工业有限公司 | A filter module structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069337A (en) * | 2017-05-04 | 2017-08-18 | 东莞立德精密工业有限公司 | Filter module |
| CN108281854A (en) * | 2017-12-01 | 2018-07-13 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
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| Publication number | Publication date |
|---|---|
| CN105470755B (en) | 2018-07-06 |
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