CN105655759A - Electric connector and electric connector system - Google Patents
Electric connector and electric connector system Download PDFInfo
- Publication number
- CN105655759A CN105655759A CN201410671204.8A CN201410671204A CN105655759A CN 105655759 A CN105655759 A CN 105655759A CN 201410671204 A CN201410671204 A CN 201410671204A CN 105655759 A CN105655759 A CN 105655759A
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- Prior art keywords
- terminal
- electric connector
- electrically connected
- resistor
- connection device
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Abstract
The invention provides an electric connector that can be installed on an external circuit board. The electric connector is provided with a plurality of signal transmission channels. Two butting terminals, a transformer coil, a common-mode suppression coil, and two pin terminals are arranged at each signal transmission channel; the butting terminals are connected to the pin terminals electrically by the transformer coil and the common-mode suppression coil; and the pin terminals are installed on the external circuit board. The transformer coils include primary coils and secondary coils; and first central taps are arranged at the primary coils. Resistors, a capacitor and a grounding point are arranged on the external circuit board; and one end of the capacitor is connected with the resistors electrically and the other end of the capacitor is connected with the grounding point electrically. Besides, the electric connector is also provided with adapter terminals; one end of each adapter terminal is connected with one first central tap and the other end is installed on the external circuit board and is connected with the resistor electrically. According to the electric connector, the internal circuit board is removed and thus the production cost is reduced.
Description
[technical field]
The present invention relates to a kind of electrical connection device and system thereof, particularly relate to placement position and the mode of connection of resistance and electric capacity in electrical connection device.
[background technology]
On common RJ45 socket type connector circuit card mounted externally, for the network signal transmitted between RJ45 plug junctor and the external circuit board. Transformer winding (transformer), common mode inhibition coil (commonmodechoke), resistor and electrical condenser are often all integrated in RJ45 socket type connector by current industry, in order to place resistor and the electrical condenser of Bob-smith circuit, usually needing to increase extra circuit card to connect, result in cost increases. Such prior art can with reference to No. US6,568,966B1st, United States Patent (USP) and No. US7,524,206B2nd, United States Patent (USP), and its RJ45 socket type connector disclosed all needs to increase by one piece of internal circuit board to place resistor and the electrical condenser of Bob-smith circuit.
[summary of the invention]
Technical problem to be solved by this invention is: providing a kind of electrical connection device, its production cost is low.
In order to solve the problems of the technologies described above, the technical scheme of the present invention is:
A kind of electrical connection device, it can be mounted on the external circuit board, described electrical connection device is provided with some signal transmission passages, each signal transmission passage is provided with two docking terminals, a transformer winding, a common mode inhibition coil and two connect pin terminal, described docking terminal is electrically connected to by transformer winding and common mode inhibition coil and connects pin terminal, described connect on pin terminal circuit card mounted externally, described transformer winding comprises primary winding and secondary coil, described primary winding is provided with the first center tap, described the external circuit board is provided with resistor, electrical condenser and touch down point, described electrical condenser one end and resistor are electrically connected, the other end and touch down point are electrically connected, wherein said electrical connection device is also provided with switching terminal, described switching terminal one end is connected with the first center tap, the other end is on circuit card mounted externally and is electrically connected with resistor.
Another technical problem to be solved by this invention is: providing a kind of electric connector system, its production cost is low.
In order to solve the problems of the technologies described above, the technical scheme of the present invention is:
A kind of electric connector system, it comprises the electrical connection device on the external circuit board and circuit card mounted externally, described electrical connection device is provided with some signal transmission passages, each signal transmission passage is provided with two docking terminals, a transformer winding, a common mode inhibition coil and two connect pin terminal, described docking terminal is electrically connected to by transformer winding and common mode inhibition coil and connects pin terminal, described connect on pin terminal circuit card mounted externally, described transformer winding comprises primary winding and secondary coil, described primary winding is provided with the first center tap, described the external circuit board is provided with resistor, electrical condenser and touch down point, described electrical condenser one end and resistor are electrically connected, the other end and touch down point are electrically connected, wherein said electrical connection device is provided with switching terminal, described switching terminal one end is connected with the first center tap, on the other end circuit card mounted externally and be electrically connected with resistor.
Compared with prior art, the present invention is by circuit card mounted externally to the resistor in Bob-smith circuit and electrical condenser, and the resistor of Bob-smith circuit and electrical condenser and transformer winding electric connection is realized by switching terminal, eliminating one piece and place the resistor of Bob-smith circuit and the internal circuit board of electrical condenser, the production cost of electrical connection device and system thereof reduces.
[accompanying drawing explanation]
Fig. 1 meets the vertical view that the present invention is electrically connected device.
Fig. 2 is the layout (layout) meeting the external circuit board of the present invention.
Fig. 3 is the first embodiment meeting electric connector system circuit of the present invention.
Fig. 4 is the 2nd embodiment meeting electric connector system circuit of the present invention.
Fig. 5 is the 3rd embodiment meeting electric connector system circuit of the present invention.
Fig. 6 is the 4th embodiment meeting electric connector system circuit of the present invention.
[main element nomenclature]
| Docking terminal | 1 | The external circuit board | 100 |
| Conductive through hole | 101 | Transformer winding | 2 |
| Electrical connection device | 200 | Primary winding | 21 |
| First center tap | 211 | First the end of a thread | 212 |
| Secondary coil | 22 | 2nd center tap | 221 |
| Common mode inhibition coil | 3 | Center line | 31 |
| 2nd the end of a thread | 32 | Connect pin terminal | 4 |
| Resistor | 5 | Electrical condenser | 6 |
| Touch down point | 7 | Switching terminal | 8 |
| Insulation body | 91 | Diapire | 911 |
| Shield shell | 92 |
Following embodiment will illustrate the present invention further in conjunction with above-mentioned accompanying drawing.
[embodiment]
As depicted in figs. 1 and 2, a kind of electric connector system, it comprises the electrical connection device 200 on the external circuit board 100 and circuit card mounted externally 100.
As shown in Figures 3 to 6, it is the schematic circuit of a kind of electric connector system four kinds of embodiments, wherein Fig. 3 and Fig. 4 is the electric connector system meeting 10/100Mbps network, Fig. 5 and Fig. 6 is for meeting 10/1000Mbps and the electric connector system of above (1Gbps, 10Gbps) network thereof.
As shown in Figure 3 and Figure 4, for the schematic circuit of 10/100MbpsRJ45 electric connector system, electrical connection device 200 be provided with some signal transmission passages, each signal transmission passage be provided with two docking terminal 1, transformer winding, 2, common mode inhibition coil 3 and two connect pin terminal 4. Docking terminal 1 is electrically connected to by transformer winding 2 and common mode inhibition coil 3 and connects pin terminal 4, described in connect pin terminal 4 and be mounted in the conductive through hole 101 on the external circuit board 100.
Described transformer winding 2 comprises primary winding 21 and secondary coil 22, described primary winding 21 is provided with the first center tap 211, described the external circuit board 100 is provided with resistor 5, electrical condenser 6 and touch down point 7, and described electrical condenser 6 one end and resistor 5 are electrically connected, and the other end is connected with touch down point 7.Electrical connection device 200 also be provided with switching terminal 8, described switching terminal 8 one end is connected with the first center tap 211, on the other end circuit card 100 mounted externally and be electrically connected with resistor 5.
Described primary winding 21 has two first the end of a thread 212 docking terminal 1 and being connected respectively with two. Described secondary coil 22 is electrically connected to the external circuit board 100 by connecing pin terminal 4 after being connected with common mode inhibition coil 3, and described common mode inhibition coil 3 has two the 2nd the end of a thread 32 connecing pin terminal 4 with two and being connected respectively. Described secondary coil 22 is provided with the 2nd center tap 221, the center line 31 that described common mode inhibition coil 3 has with the 2nd center tap 221 is connected. In the physical structure of electrical connection device 200 (not shown), two first the end of a thread of primary winding are wrapped on two docking terminals respectively, and two the 2nd the end of a thread of common mode inhibition coil are intertwined and connected two and connect on pin terminal; Transformer winding and common mode inhibition coil include iron core and are wound around some enameled wires of iron core, and some enameled wires are successively wound around transformer core and common mode inhibition iron core, first the end of a thread and the 2nd the end of a thread are respectively two contrary the end of a thread of enameled wire.
In Fig. 3 and Fig. 5, the external circuit board 100 is provided with four resistors 5 and an electrical condenser 6, connect with electrical condenser 6 after described four resistors 5 are in parallel, the switching terminal 8 that electrical connection device 200 is provided with on four circuit cards 100 mounted externally, each switching terminal 8 is electrically connected the first center tap 211(or the docking terminal 1 of a resistor 5 and a transformer winding 2).
In Fig. 4 and Fig. 6, the external circuit board 100 is provided with a resistor 5 and an electrical condenser 6, the switching terminal 8 that described electrical connection device 200 is provided with on a circuit card 100 mounted externally, the first center tap 211(of some transformer windings 2 or docking terminal 1) in parallel after connect with terminal 8 of transferring. Comparing Fig. 3 and Fig. 5 embodiment, the embodiment switching terminal of Fig. 4 and Fig. 6 and resistor are less, and production cost is lower.
As depicted in figs. 1 and 2, electrical connection device 200 comprises insulation body 91 and is coated on the shield shell 92 outside insulation body 91, described insulation body 91 is provided with the accepting groove (not shown) of opening from front to back, and described accepting groove is used for connecting connector (not shown) insertion being coordinated. Described insulation body 91 has the diapire 911 for being mounted to the external circuit board 100, described in connect pin terminal 4 and switching terminal 8 all extends over diapire 911 downwards from the body 91 that insulate. Described connect the part that pin terminal 4 exceeds diapire 911 downwards and be positioned at the front connecing pin terminal 4 and exceeding diapire 911 part downwards, such setting party the layout (layout) of the external circuit board.
The present invention is not limited to above-mentioned enforcement mode specifically, and the those of ordinary skill of this area is from above-mentioned design, and without the work of creativeness, done all conversion, all drop in protection scope of the present invention.
Claims (10)
1. an electrical connection device, it can be mounted on the external circuit board, described electrical connection device is provided with some signal transmission passages, each signal transmission passage is provided with two docking terminals, a transformer winding, a common mode inhibition coil and two connect pin terminal, described docking terminal is electrically connected to by transformer winding and common mode inhibition coil and connects pin terminal, described connect on pin terminal circuit card mounted externally, described transformer winding comprises primary winding and secondary coil, described primary winding is provided with the first center tap, described the external circuit board is provided with resistor, electrical condenser and touch down point, described electrical condenser one end and resistor are electrically connected, the other end and touch down point are electrically connected, it is characterized in that: described electrical connection device is also provided with switching terminal, described switching terminal one end is connected with the first center tap, the other end is on circuit card mounted externally and is electrically connected with resistor.
2. it is electrically connected device as claimed in claim 1, it is characterised in that: described electrical connection device is provided with four switching terminals on circuit card mounted externally, and each switching terminal is electrically connected the first center tap of a transformer winding.
3. electric connector system as claimed in claim 1, it is characterised in that: described electrical connection device is provided with a switching terminal on circuit card mounted externally, connects with this switching terminal after the first center tap parallel connection of some transformer windings.
4. an electric connector system, it comprises the electrical connection device on the external circuit board and circuit card mounted externally, described electrical connection device is provided with some signal transmission passages, each signal transmission passage is provided with two docking terminals, a transformer winding, a common mode inhibition coil and two connect pin terminal, described docking terminal is electrically connected to by transformer winding and common mode inhibition coil and connects pin terminal, described connect on pin terminal circuit card mounted externally, described transformer winding comprises primary winding and secondary coil, described primary winding is provided with the first center tap, described the external circuit board is provided with resistor, electrical condenser and touch down point, described electrical condenser one end and resistor are electrically connected, the other end and touch down point are electrically connected, it is characterized in that: described electrical connection device is provided with switching terminal, described switching terminal one end is connected with the first center tap, on the other end circuit card mounted externally and be electrically connected with resistor.
5. electric connector system as claimed in claim 1, it is characterised in that: described primary winding has two first the end of a thread docking terminal and being connected respectively with two.
6. electric connector system as claimed in claim 1, it is characterised in that: described secondary coil is electrically connected to the external circuit board by connecing pin terminal after being connected with common mode inhibition coil.
7. electric connector system as claimed in claim 5, it is characterised in that: two first the end of a thread of described primary winding are wrapped on two docking terminals respectively.
8. electric connector system as claimed in claim 6, it is characterised in that: described common mode inhibition coil has two the 2nd the end of a thread connecing pin terminal with two and being connected respectively, and described 2nd the end of a thread is intertwined and connected two and connects on pin terminal.
9. electric connector system as claimed in claim 4, it is characterized in that: described the external circuit board is provided with four resistors and an electrical condenser, connect with electrical condenser after described four resistor parallel connections, described electrical connection device is provided with the switching terminal on four circuit cards mounted externally, and each switching terminal is electrically connected the first center tap of a resistor and a transformer winding.
10. electric connector system as claimed in claim 4, it is characterized in that: described circuit card is provided with a resistor and an electrical condenser, described electrical connection device is provided with the switching terminal on a circuit card mounted externally, connects with switching terminal after the first center tap parallel connection of some transformer windings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671204.8A CN105655759B (en) | 2014-11-21 | 2014-11-21 | Electric connector and electric connector system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671204.8A CN105655759B (en) | 2014-11-21 | 2014-11-21 | Electric connector and electric connector system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105655759A true CN105655759A (en) | 2016-06-08 |
| CN105655759B CN105655759B (en) | 2019-02-12 |
Family
ID=56480319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410671204.8A Active CN105655759B (en) | 2014-11-21 | 2014-11-21 | Electric connector and electric connector system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105655759B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207652Y (en) * | 2008-03-25 | 2009-03-11 | 富士康(昆山)电脑接插件有限公司 | Network interface circuit and electric connector having the circuit |
| CN201323337Y (en) * | 2008-09-10 | 2009-10-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector system |
| CN201355713Y (en) * | 2009-02-07 | 2009-12-02 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN102916669A (en) * | 2011-08-01 | 2013-02-06 | 富士康(昆山)电脑接插件有限公司 | Filter circuit |
| US20150056827A1 (en) * | 2013-08-23 | 2015-02-26 | Hon Hai Precision Industry Co., Ltd. | High speed modular jack having two stacked printed circuit boards |
-
2014
- 2014-11-21 CN CN201410671204.8A patent/CN105655759B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207652Y (en) * | 2008-03-25 | 2009-03-11 | 富士康(昆山)电脑接插件有限公司 | Network interface circuit and electric connector having the circuit |
| CN201323337Y (en) * | 2008-09-10 | 2009-10-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector system |
| CN201355713Y (en) * | 2009-02-07 | 2009-12-02 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| CN102916669A (en) * | 2011-08-01 | 2013-02-06 | 富士康(昆山)电脑接插件有限公司 | Filter circuit |
| US20150056827A1 (en) * | 2013-08-23 | 2015-02-26 | Hon Hai Precision Industry Co., Ltd. | High speed modular jack having two stacked printed circuit boards |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105655759B (en) | 2019-02-12 |
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