CN201430260Y

CN201430260Y - Electric connector

Info

Publication number: CN201430260Y
Application number: CN2009203016843U
Authority: CN
Inventors: 徐勇春; 卜建明
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2009-03-27
Filing date: 2009-03-27
Publication date: 2010-03-24
Anticipated expiration: 2019-03-27

Abstract

An electrical connector, which is used for Ethernet to provide a power interface, the variable coil of the electrical connector is provided with a center tap, and the center tap enameled wire is wound and connected to an intermediate terminal, and is connected to a built-in circuit board through the intermediate terminal, The power filter coil is wound and connected to another intermediate terminal, and is connected to the built-in circuit board through the intermediate terminal. The two intermediate terminals are electrically connected through the built-in circuit board, so as to prevent multiple wire ends from being wound on the same intermediate terminal, so that each intermediate terminal The winding length is relatively uniform.

Description

Electric connector

[technical field]

The utility model is the network interface electric connector that transmits power supply about a kind of, relates in particular to the filter coil syndeton of this kind electric connector.

[background technology]

The United States Patent (USP) that No. the 6th, 945,820, the United States Patent (USP) that on September 20th, 2005 was announced and on November 4th, 2003 are announced has all disclosed a kind of network interface electric connector that transmits power supply for the 6th, 641, No. 440.This kind electric connector comprises and can insert the insulating body of cooperation and the terminal module of the insulating body of packing into for a butted line cable plug, described terminal module comprises the butt joint terminal that can cooperate with aforementioned plug, the internal circuit board of carrying butt joint terminal, be arranged at the filter module of internal circuit board, filter module comprises in order to the some coils that form at least two signalling channels and a power channel and is connected some intermediate terminals and some rear terminal of described some coils, described some coils are formed by the enamelled wire coiling, and comprise the two signal filtering coils that are coupled and the former modified line circle that is coupled and attached modified line circle, and attached modified line circle is provided with centre cap, one end of two signal filtering coils is connected in the physical side of signalling channel respectively by rear terminal, the other end is connected to the two ends of primary coil, the two ends of attached modified line circle by internal circuit board with dock terminal and electrically connect, thereby form the cable-side of signalling channel, described some coils also include the two power filter coils that are coupled, one end of two power filter coils is connected in a side of power channel, and the other end of power filter coil is wound in same intermediate terminal with the centre cap of corresponding attached modified line circle.

Because the centre cap of power filter coil and attached modified line circle all is intertwined and connected in same intermediate terminal, causes this intermediate terminal winding length bigger, causes this intermediate terminal and internal circuit board poor fit or highly too big.

[utility model content]

Technical problem to be solved in the utility model provides a kind ofly has filter coil and internal circuit board gets electric connector, and the length that its filter coil is wound in each conducting terminal that connects internal circuit board is even.

For solving the problems of the technologies described above, the utility model provides a kind of electric connector, it is used for Ethernet provides power interface, this electric connector comprises and can insert the insulating body of cooperation and the terminal module of the insulating body of packing into for a butted line cable plug that described terminal module comprises the butt joint terminal that can cooperate with aforementioned plug, the internal circuit board that terminal is docked in carrying, the filter module that is arranged at internal circuit board.Filter module comprises in order to the some coils that form at least two signalling channels and a power channel and is connected some intermediate terminals and some rear terminal of described some coils, described some coils are formed by the enamelled wire coiling, and comprise the two signal filtering coils that are coupled and the former modified line circle that is coupled and attached modified line circle, and attached modified line circle is provided with centre cap, one end of two signal filtering coils is connected in the physical side of signalling channel respectively by rear terminal, the other end is connected to the two ends of primary coil, the two ends of attached modified line circle by internal circuit board with dock terminal and electrically connect, thereby be connected to the cable-side of signalling channel, power channel is connected with the two power filter coils that are coupled, one end of two power filter coils is connected in a side of power channel, and the other end of two power filter coils is electrically connected to the centre cap of two attached modified line circles respectively by intermediate terminal.The centre cap of each attached modified line circle is intertwined and connected in an intermediate terminal, and the power filter coil is intertwined and connected in another intermediate terminal, and described two intermediate terminals electrically connect by internal circuit board.

Relative prior art, one end of power filter coil is wound in same intermediate terminal with the centre cap of corresponding attached modified line circle, the utility model electric connector is set up an intermediate terminal, be intertwined and connected with the centre cap of power supply source filter coil and attached modified line circle respectively, again two intermediate terminals are electrically connected by internal circuit board, thereby avoid a plurality of the end of a thread to be wound in same intermediate terminal, make each intermediate terminal winding length comparatively even.

[description of drawings]

Fig. 1 is the three-dimensional view that meets a kind of electric connector of the present utility model.

Fig. 2 is the part exploded view of electric connector shown in Figure 1.

Fig. 3 is the stereogram of electric connector middle-end submodule group shown in Figure 2.

Fig. 4 is another angle stereogram of terminal module shown in Figure 3.

Fig. 5 is the circuit diagram of electric connector shown in Figure 1.

[embodiment]

See also Fig. 1 to 5, it is depicted as a kind of electric connector 100 and circuit diagram thereof that Ethernet provides power interface that be used for.This electric connector 100 is provided with and lines up a plurality of to plug receptacle 10 of two rows side by side, can insert for a plurality of butt joint cable plug (not shown) to cooperate.This electric connector 100 is installed on the circuit board 70 of an electronic equipment (not shown), thereby a plurality of banjos are connected to this electronic equipment.

This electric connector 100 comprises the

metal shell

22,24 that can supply a butted line cable plug to insert the terminal module 300 of the insulating body 20 that cooperates, the insulating body 20 of packing into and be coated on insulating body 20 outsides.Described terminal module 300 comprises can be with the internal circuit board 320 of the aforementioned butt joint terminal 301 that docks the cable plug contact matching, carrying butt joint terminal 301, be arranged at the filter module 340 of internal circuit board 320, and filter module 340 comprises in order to the some coils that form at least two signalling channels and a power channel and is connected some intermediate terminals 303,305 and some rear terminal 307 of described some coils.Described some coils comprise the two signal filtering coils 341,343 that are coupled and the former modified line circle that is coupled 345 and attached modified line circle 347, and attached modified line circle 347 is provided with centre cap 348, one end of two signal filtering coils 341,343 is connected in the physical side (circuit board 70) of signalling channel respectively by rear terminal 307, the other end is connected to the two ends of former modified line circle 345, the two ends of attached modified line circle 347 electrically connect with docking terminal 301 by internal circuit board 320, thereby are connected to the cable-side (butt joint cable plug) of signalling channel.Described some coils also include the two power filter coils 351,353 that are coupled, one end of two power filter coils 351,353 is connected in the physical side of power channel, and the other end of two power filter coils 351,353 is electrically connected to the centre cap 348 of two attached modified line circles 347 respectively by intermediate terminal 303,305.The centre cap 348 of each attached modified line circle 347 is intertwined and connected in an intermediate terminal 303, and power filter coil 351,353 is intertwined and connected in another intermediate terminal 305, and described two intermediate terminals 303,305 electrically connect by internal circuit board 320.The centre cap 348 of power filter coil 351,353 and attached modified line circle 347 is intertwined and connected respectively and is wound in each self-corresponding intermediate terminal 303,305, again two intermediate terminals 303,305 are electrically connected by internal circuit board 320, thereby make each intermediate terminal 303,305 winding length comparatively even.

Described filter module 340 also includes insulating material container for moulding 355, this container 355 is provided with the room 357 that opening direction is parallel to described internal circuit board 320, aforementioned each coil array is wound in toroidal core 359, described container 355 has the sidewall 361 that is between room 357 and the internal circuit board 320, this sidewall 361 is provided with some grooves 363, described magnetic core 359 is contained in the room 357, and the two ends of aforementioned attached modified line circle 347 and centre cap 348 are wound in intermediate terminal 303,305 after locating by respective slot 363.

Described former modified line circle 345 also is provided with centre cap 346, and described some coils also comprise another signal filtering coil 342, and an end of this signal filtering coil 342 is connected in the centre cap 346 of described two former modified line circles 345, and the other end is by an electric capacity 365 Hou ground connection.

In addition, described terminal module 300 also comprises a base circuit board 360, is connected in the conversion terminal 366 of base circuit board, base circuit board 360 and internal circuit board 320 are in the two opposite sides of filter module 340, are connected in corresponding coil by base circuit board 360 and conversion terminal 366 to small part rear terminal 307.

Claims

1. An electrical connector, which is used for Ethernet to provide a power interface, the electrical connector includes an insulating body that can be inserted into a mating cable plug and a terminal module that is loaded into the insulating body, and the terminal module includes The docking terminal that can be matched with the aforementioned plug, the built-in circuit board carrying the docking terminal, and the filter module set on the built-in circuit board, the filter module includes several coils for forming at least two signal channels and one power channel and connecting the Several intermediate terminals and several tail terminals of several coils, the several coils are formed by winding enameled wire, and include two signal filter coils coupled together and the original variable coil and the auxiliary variable coil coupled together, and the auxiliary variable coil is provided with Center-tapped, one end of the two signal filter coils is respectively connected to the physical side of the signal channel through the tail terminal, the other end is respectively connected to the two ends of the original coil, and the two ends of the attached variable coil are electrically connected to the docking terminal through the built-in circuit board, so that Connected to the cable side of the signal channel, the coils also include two power filter coils coupled together, one end of the two power filter coils is connected to one side of the power channel, and the other ends of the two power filter coils are respectively connected through the middle terminal. Electrically connected to the center tap of the two variable coils, characterized in that: the center tap of each variable coil is wound and connected to an intermediate terminal, and the power filter coil is wound and connected to the other intermediate terminal, and the two intermediate terminals pass through the built-in circuit board electrical connection.

2. The electrical connector according to claim 1, wherein the filter module further includes a container formed of insulating material, and the container is provided with a chamber whose opening direction is parallel to the built-in circuit board, and each of the aforementioned The coil is wound on the annular magnetic core. The container has a side wall between the chamber and the built-in circuit board. The side wall is provided with a number of grooves. The magnetic core is accommodated in the chamber. And the center tap is wound around the middle terminal after positioning through the corresponding groove.

3. The electrical connector according to claim 2, characterized in that: the original variable coil is provided with a center tap, and the plurality of coils also include another signal filter coil, one end of the signal filter coil is connected to the two The center tap of the original transformer coil, and the other end is finally grounded.

4 . The electrical connector as claimed in claim 1 , wherein it is used to be installed on a circuit board, and the tail terminal has pins that can be inserted into conductive through holes provided on the circuit board. 5 .

5. The electrical connector according to claim 1, wherein the terminal module further comprises a bottom circuit board connected to the bottom circuit board and the transfer terminal, and the bottom circuit board and the built-in circuit board are located between the filter module On opposite sides, at least part of the tail terminals are connected to corresponding coils through the bottom circuit board and the transfer terminals.

6 . The electrical connector as claimed in claim 1 , wherein it is provided with a plurality of mating sockets arranged side by side in two rows for insertion and mating of a plurality of mating plugs. 7 .