CN201868688U

CN201868688U - Electric connector

Info

Publication number: CN201868688U
Application number: CN2010202798846U
Authority: CN
Inventors: 黄发辉; 王栋梁
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2010-08-02
Filing date: 2010-08-02
Publication date: 2011-06-15
Anticipated expiration: 2020-08-02

Abstract

The utility model relates to an electric connector, which is electrically connected to a main circuit board. The electric connector comprises an insulating body and a signal processing module, wherein the insulating body is provided with a first interface; the signal processing module is arranged in the insulating body and provided with a sub-circuit board; the sub-circuit board is provided with an input end and an output end, and the signal is inputted to the sub-circuit board through the input end and is outputted to the main circuit board through the output end; on the sub-circuit board, at least one first common-mode rejection module is connected with the input end, at least one transformer module is connected with the first common-mode rejection module, and the signal is transmitted to at least one second common-mode rejection module which is connected with the output end. The electric connector can avoid generating the high-frequency wave which interferes with other electrical equipment and also avoid the noise effect caused by the external transmission line on the self signal, so as to stably transmit the signal at high speed.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, refers in particular to a kind of electric connector of suitable high rate data transmission network communication signal.

Background technology

Increase along with number of broadband customers, the user is to the quick growth of high broadband demand business, make network traffics increase the limit that constantly breaks through current Ethernet transmission speed standard fast, 10/100 Network Transmission standard is incompatibility development in future trend, 10G speed is the research and development focus of existing situation, even the two-forty of 40/100G has also caused showing great attention to of people.So, electric connector or electric connector system that so high speed makes the network use, be easy to generate the high-frequency electric wave that disturbs other electric equipment, and signal own is also easily by the noise effect that is produced in the external transmission lines, cause signal interruption, disorderly or too faint situation to take place, solve the problems referred to above so must be provided with enough anti-interference assemblies in electric connector inside.

Application number is that 200810304441.5 Chinese patent has disclosed a kind of electric connector system that meets 10/100 Network Transmission standard, comprise the external circuit board, be installed on the electric connector of the external circuit board, electric connector has an internal circuit board, and be installed on common mode inhibition module and transformer on the external circuit board or the internal circuit board, transformer comprises first coil and second coil, the common mode inhibition module comprises tertiary coil and the 4th coil, the two ends of first coil are connected with a side of network path, the two ends of second coil are electrically connected at an end of the 3rd and the 4th coil respectively, and the other end of the 3rd and the 4th coil is connected to the opposite side of network path.

The electric connector system that above-mentioned patent discloses is used for jamproof common mode inhibition module and includes only tertiary coil and the 4th coil, one end of the 3rd and the 4th coil is connected in second coil of described transformer, the other end of the 3rd and the 4th coil is connected to the opposite side of network path, the two ends of first coil of the transformer of this structure are connected with a side of network path, do not take into full account the interference problem that signal that the network high-speed rate is conveyed into brings, therefore, the Network Transmission requirement of this electric connector system incompatibility two-forty.

Therefore, be necessary to design a kind of new electric connector, to overcome above-mentioned disappearance.

The utility model content

Creation purpose of the present utility model is to provide a kind of electric connector of energy two-forty stable transfer signal.

In order to achieve the above object, the utility model electric connector adopts following technical scheme:

A kind of electric connector in order to be electrically connected to a main circuit board, comprising: an insulating body is provided with first interface; One signal processing module, be installed in the described insulating body, has a sub-circuit board, described sub-circuit board has for the input of signal from described first interface input, and export the output of described main circuit board to for signal, and on described sub-circuit board, at least one first common mode inhibition module and described input connect, at least one transformer module is connected with the described first common mode inhibition module, signal is transferred at least one second common mode inhibition module that connects with described output.

Further, each described transformer module can corresponding at least one described first common mode inhibition module.

Further, each described transformer module can corresponding at least one described second common mode inhibition module.

Further, described electric connector is the network communication electric connector.

Compared with prior art, input signal is introduced into the described first common mode inhibition module in the utility model electric connector, pass through described transformer again, then via the described second common mode inhibition module, so both avoided producing the high-frequency electric wave that disturbs other electric equipment, and avoid signal own by the noise effect that is produced in the external transmission lines, reach the effect of the stable transmission signal of two-forty.

Description of drawings

Fig. 1 is the exploded view of the utility model electric connector;

Fig. 2 is the exploded view at another visual angle of electric connector shown in Figure 1;

Fig. 3 is the constitutional diagram of electric connector shown in Figure 1;

Fig. 4 is the constitutional diagram of signal processing module and input in the electric connector shown in Figure 1, lead-out terminal;

Fig. 5 is that front view is amplified in the part of Fig. 4;

Fig. 6 is the transformer module shown in Figure 1 and the schematic diagram of first and second common mode inhibition module;

Fig. 7 is the circuit diagram of electric connector network path shown in Figure 1;

Fig. 8 is the constitutional diagram of the utility model second embodiment electric connector signal processing module and input, lead-out terminal;

Fig. 9 is that front view is amplified in the part of Fig. 8.

The drawing reference numeral explanation:

100 electric connectors, 200 main circuit boards

1 insulating body, 11 front ends, 12 rear ends

13 first interfaces, 14 second interfaces 15 the 3rd interface

16 installing spaces

2 input terminals, 3 lead-out terminals, 4 signal processing modules

41 sub-circuit boards, 411 inputs, 412 outputs

42 first suppress module 43 transformer modules 431 first leads altogether

432 second leads 44 second suppress module 45 guide-joining plates altogether

5 casing devices, 51 first housings, 52 second housings

Embodiment

For ease of better understanding the purpose of this utility model, structure, feature and effect etc., now with embodiment the utility model electric connector 100 is described further in conjunction with the accompanying drawings.

Please refer to Fig. 1 to Fig. 3, be electric connector 100 of the present utility model, be installed on the main circuit board 200, it comprises an insulating body 1, be installed with the most input terminals 2 and the most lead-out terminal 3 that are fixed in the described insulating body 1 respectively, be installed on the signal processing module 4 in the described insulating body 1, and frame is located at a casing device 5 of described insulating body 1 periphery.

Described insulating body 1 has a front end 11 and a rear end 12, described front end 11 is provided with one first interface 13, one second interface 14 and one the 3rd interface 15, described first interface 13 is in order to install a Network plug, most described input terminal 2 parts are revealed in described first interface 13, described second interface 14 and described the 3rd interface 15 are two USB socket, described rear end 12 is provided with an installing space 16, and described signal processing module 4 is installed in the described installing space 16.

Please refer to Fig. 4 to Fig. 6, described signal processing module 4 has a sub-circuit board 41, and described sub-circuit board 41 has an input 411 and an output 412.Described sub-circuit board 41 1 sides set the first common mode inhibition module 42, transformer module 43 and the second common mode inhibition module 44 from top to bottom in regular turn in a row, and the three is corresponding to be provided with, neighbouring described first a common mode inhibition module 42, described transformer module 43 and described second a common mode inhibition module 44 are one group, and form one group of complete transmission signal.The top of the described first common mode inhibition module 42 has set 12 guide-joining plates 45 in a row, the below of the described second common mode inhibition module 44 has also set 12 described guide-joining plates 45 in a row, the described first common mode inhibition module 42 is carried out correspondence with the described guide-joining plate 45 above it and is connected, and each described second common mode inhibition module 44 is carried out correspondence with the described guide-joining plate 45 below it and connected.

Each described transformer module 43 is a threading magnetic bead type coil, have 2 first leads 431 and 2 second leads 432, the one end elder generation winding of described 2 first leads 431 is on described one first common mode inhibition module 42, and then respectively with one on row described guide-joining plate 45 conductings, the winding of the other end of described 2 first leads 431 elder generation on described one second common mode inhibition module 44, and then respectively with arrange described guide-joining plate 45 conductings once.Described 2 second leads, 432 1 ends directly with one on described guide-joining plate 45 conductings of row, the other end directly with arrange described guide-joining plate 45 conductings once.

A plurality of described input terminals 2 are positioned at the opposite side that described sub-circuit board 41 is not provided with described transformer module 43, connect the described first common mode inhibition module 42 of conducting, the described input 411 of promptly described input terminal 2 conductings by the described guide-joining plate 45 of last row.A plurality of described lead-out terminals 3 are positioned at the side that described sub-circuit board 41 is provided with described transformer module 43, by under arrange described guide-joining plate 45 and connect the described second common mode inhibition module 44 of conductings.

Please refer to Fig. 1 and Fig. 2, described casing device 5 comprises one first housing 51 and one second housing 52, described first housing 51 and described second housing 52 frame respectively are located at the described front end 11 and the described rear end 12 of described insulating body 1, in order to fixing described insulating body 1 and described signal processing module 4.

During operation, when Network plug inserts described first interface 13, network signal enters described sub-circuit board 41 from described input terminal 2 transmission, described sub-circuit board 41 is by the described guide-joining plate 45 of the supreme row of inner integrated circuit conducting, signal is by the described first common mode inhibition module 42 then, after the described first common mode inhibition module 42 is filtered the interference in the input signal, again input signal is transferred to described transformer module 43, make input signal meet the specification of described main circuit board 200, described then transformer module 43 exports signal to the described second common mode inhibition module 44 again, the described second common mode inhibition module 44 by the described guide-joining plate 45 of row down with signal conveys to described lead-out terminal 3, described lead-out terminal 3 is connected on the described main circuit board 200, realizes signal output.Because network signal enters to described main circuit board 200 from described input terminal 2 transmission earlier, the signal of described main circuit board 200 enters network by described lead-out terminal 3 earlier, described first common mode inhibition module 42 and the described second common mode inhibition module 44 can play the effect of a bidirectional filter, as shown in Figure 7, want common mode electromagnetic interference on the filtered signal line on the one hand, electromagnetic interference is not outwards sent in inhibition itself again on the other hand, plays the effect of two-forty stable transfer signal.

Need to prove that described transformer module 43 should be even number, to realize the bidirectional modulation of input and output.Each all can be traditional threading magnetic bead type coil for the described first common mode inhibition module 42, described transformer module 43 and the described second common mode inhibition module 44, also can be the surface mounting type coil of improvement.In the side circuit design, can also adopt multistage common-mode circuit to come filtering electromagnetic interference better as required, such as the described first common mode inhibition module 42 of each described transformer module 43 corresponding two series connection and the described second common mode inhibition module 44 of two series connection.And in the present embodiment, the described first common mode inhibition module 42, described transformer module 43 and the described second common mode inhibition module 44 respectively have four, each described transformer module 43 corresponding described first a common mode inhibition module 41 and described second common mode inhibition module 44 forms one group complete signal transmission.

In the Fig. 8 and second embodiment shown in Figure 9, described first common mode inhibition module 42 and the described second common mode inhibition module 44 respectively have two, described transformer module 43 quantity are four, and the described first common mode inhibition module, 42, one described second a common mode inhibition module 44 and two described transformer modules 43 form one group complete signal transmission.

More than describing in detail only be the explanation of the preferred embodiment of the utility model, the claim of non-so limitation the utility model, so, all this creation of utilization specifications and diagramatic content equivalence techniques variation for it, all be contained in the claim of this creation.

Claims

1. an electric connector in order to be electrically connected to a main circuit board, is characterized in that, comprising:

One insulating body is provided with first interface;

One signal processing module, be installed in the described insulating body, has a sub-circuit board, described sub-circuit board has for the input of signal from described first interface input, and export the output of described main circuit board to for signal, and on described sub-circuit board, at least one first common mode inhibition module and described input connect, at least one transformer module is connected with the described first common mode inhibition module, signal is transferred at least one second common mode inhibition module that connects with described output.

2. electric connector as claimed in claim 1 is characterized in that: described transformer module is a threading magnetic bead type coil.

3. electric connector as claimed in claim 1 is characterized in that: described common mode inhibition module is a surface mounting type coil.

4. electric connector as claimed in claim 1, it is characterized in that: described electric connector further comprises input terminal and lead-out terminal, described input terminal is for the signal transmission from described first interface input, described lead-out terminal is connected on the described main circuit board, exports described main circuit board to for signal.

5. electric connector as claimed in claim 1, it is characterized in that: the described first common mode inhibition module, described transformer module and the described second common mode inhibition module number are four, and four groups of corresponding compositions, every group comprises described first a common mode inhibition module, a described transformer module and described second a common mode inhibition module.

6. electric connector as claimed in claim 1, it is characterized in that: described first common mode inhibition module and the described second common mode inhibition module number are two, described transformer module quantity is four, and two groups of corresponding compositions, every group comprises described first a common mode inhibition module, two described transformer modules and described second a common mode inhibition module.

7. electric connector as claimed in claim 1, it is characterized in that: described sub-circuit board is provided with most guide-joining plates, described guide-joining plate becomes two rows to arrange, the described guide-joining plate conducting of described first common mode inhibition module and last row, described second common mode inhibition module and the described guide-joining plate conducting of row down.

8. electric connector as claimed in claim 1 is characterized in that: described transformer module quantity is even number.

9. electric connector as claimed in claim 1 is characterized in that: each described transformer module can corresponding at least one described first common mode inhibition module.

10. electric connector as claimed in claim 1 is characterized in that: each described transformer module can corresponding at least one described second common mode inhibition module.

11. electric connector as claimed in claim 1 is characterized in that: described electric connector is the network communication electric connector.