CN101662108B

CN101662108B - Electric connector

Info

Publication number: CN101662108B
Application number: CN 200810196297
Authority: CN
Inventors: 周铭璋; 黄朝栋; 宣万立; 徐勇春
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: 2008-08-27
Filing date: 2008-08-27
Publication date: 2013-03-13
Anticipated expiration: 2028-08-27
Also published as: CN101662108A

Abstract

An electrical connector, which can be installed on a circuit board, includes a body and a terminal module installed in the body, and the terminal module further includes a docking terminal group, several transformers, a common mode suppression coil and a transfer module and to carry and connect the

The butt terminal group, the transformer, the common mode suppression coil and the built-in circuit board of the adapter module, the said butt terminal group can be conductively matched with a pair of docking plugs, and the differential signal transmitted by the docking plug can pass through the transformer and the common mode suppression coil, transmitted from the adapter module to the front

The circuit board and the coil of the transformer are all connected to the built-in circuit board, and the common mode suppression coil is arranged in the transfer module, and is connected to the built-in circuit board and the circuit board through the terminal provided by the transfer module. The above design facilitates the automatic production of the terminal module and reduces the occupied space of the electrical connector.

Description

electrical connector

【技术领域】【Technical field】

本发明是关于一种具有磁性滤波线圈的电连接器，特别是关于该种电连接器中承载磁性滤波线圈的端子模组结构。The invention relates to an electrical connector with a magnetic filter coil, in particular to a terminal module structure for carrying the magnetic filter coil in the electrical connector.

【背景技术】【Background technique】

目前，高速网线连接中，系统厂商为提高电路板的利用率，常将传统设置于系统板上的磁性滤波线圈转而设置于电连接器中。At present, in high-speed network cable connection, in order to improve the utilization rate of circuit boards, system manufacturers often replace the magnetic filter coils traditionally arranged on the system boards with electrical connectors.

【发明内容】【Content of invention】

本发明所要解决的技术问题是提供一种具有磁性线圈的电连接器，其承载磁性线圈的端子模组结构紧凑，且便于自动化生产。The technical problem to be solved by the present invention is to provide an electrical connector with a magnetic coil, and the terminal module carrying the magnetic coil has a compact structure and is convenient for automatic production.

为解决该技术问题，本发明提供一种安装于电路板上电连接器，其包括本体及安装于该本体内的端子模组，所述端子模组进一步包括对接端子组、若干变压器、共模抑制线圈及转接模组及用以承载并连接所述对接端子组、变压器、共模抑制线圈及转接模组的内置电路板。所述对接端子组可与一对接插头导电配合，对接插头传输的差分信号可通过所述变压器与共模抑制线圈后，由转接模组传输至前述电路板，变压器之线圈均连接于内置电路板上，转接模组包括连接于内置电路板的中间端子、可连接于电路板上的尾部端子及承载中间端子与尾部端子的容器，所述共模抑制线圈设置于容器内，且各共模抑制线圈的一端与中间端子连接，相反的另一端与尾部端子连接。In order to solve this technical problem, the present invention provides an electrical connector mounted on a circuit board, which includes a body and a terminal module installed in the body, the terminal module further includes a docking terminal group, several transformers, a common mode Suppression coil and transfer module and built-in circuit board for carrying and connecting the butt terminal group, transformer, common mode suppression coil and transfer module. The docking terminal group can be conductively matched with a pair of docking plugs, and the differential signal transmitted by the docking plug can pass through the transformer and the common mode suppression coil, and then be transmitted to the aforementioned circuit board by the adapter module, and the coils of the transformer are connected to the built-in circuit board Above, the transfer module includes the middle terminal connected to the built-in circuit board, the tail terminal that can be connected to the circuit board, and the container that carries the middle terminal and the tail terminal. The common mode suppression coil is set in the container, and each common mode One end of the suppression coil is connected to the middle terminal, and the opposite end is connected to the tail terminal.

相对现有技术，本发明电连接器的变压器与共模抑制线圈分开，从而便于自动化设计，另外，共模抑制线圈设置于转接端子模组内，可减小端子模组占用空间，从而减小连接器体积。Compared with the prior art, the transformer of the electrical connector of the present invention is separated from the common-mode suppression coil, thereby facilitating automatic design. In addition, the common-mode suppression coil is arranged in the transfer terminal module, which can reduce the space occupied by the terminal module, thereby reducing Connector size.

【附图说明】【Description of drawings】

图1是符合本发明的一种电连接器的立体图。FIG. 1 is a perspective view of an electrical connector according to the present invention.

图2是图1所示电连接器的屏蔽壳体被分拆后的分解图。FIG. 2 is an exploded view of the shielding shell of the electrical connector shown in FIG. 1 after being disassembled.

图3是图1所示电连接器之端子模组被进一步分拆的分解图。FIG. 3 is an exploded view of the terminal module of the electrical connector shown in FIG. 1 being further disassembled.

图4是图3所示电连接器的另一视角的分解图。FIG. 4 is an exploded view from another perspective of the electrical connector shown in FIG. 3 .

图5是图3所示转接模组与共模抑制线圈沿A-A方向的剖视图。Fig. 5 is a cross-sectional view along the direction A-A of the adapter module and the common mode suppression coil shown in Fig. 3 .

【具体实施方式】【Detailed ways】

参阅图1，其所揭示为一种符合本发明的电连接器100。该电连接器100可安装于一电路板(未图示)上，并具有堆叠设置的一RJ45接口与两USB接口，一传递差分信号的RJ45对接插头可插入RJ45接口配合，并通过电连接起100连接至所述电路板。Referring to FIG. 1 , it discloses an electrical connector 100 according to the present invention. The electrical connector 100 can be installed on a circuit board (not shown), and has a stacked RJ45 interface and two USB interfaces, and an RJ45 docking plug for transmitting differential signals can be inserted into the RJ45 interface for cooperation, and is connected electrically. 100 is connected to the circuit board.

请参阅图2至图5，所述电连接器100包括绝缘本体20、安装于该绝缘本体20内的端子模组400、覆盖于绝缘本体20与端子模组400并相互扣合的屏蔽壳体21、22，所述端子模组400进一步包括对接端子组41、若干变压器43、共模抑制线圈45、转接模组47及用以承载并连接所述对接端子组41、变压器43、共模抑制线圈45及转接模组47的内置电路板40。所述对接端子组41包括若干对焊接于内置电路板40上的对接端子411，该等对接端子411排布成一列并焊接于内置电路板40，RJ45对接插头插入前述RJ45接口中时，可与该等对接端子411导电配合，从而将RJ45插头所传输的差分信号传输至端子模组400。变压器之线圈均连接于内置电路板40上，通过内置电路板40与对接端子411与转接模组47电性连接。转接模组47包括连接于内置电路板40的中间端子471、延伸出绝缘本体20用以连接于电路板的尾部端子473及承载中间端子471与尾部端子473的容器470，所述共模抑制线圈45设置于容器470内，且各共模抑制线圈45的一端与中间端子471，相反的另一端与尾部端子473连接。从而差分信号由对接端子411，可通过内置电路板40上设置的导电线路，传输至变压器线圈43，并传回内置电路板40，再通过内置电路板40与中间端子471，传输至共模抑制线圈45，并最终通过尾部端子47，可以传输至电连接器100所安装的电路板。Referring to FIGS. 2 to 5, the electrical connector 100 includes an insulating body 20, a terminal module 400 installed in the insulating body 20, and a shielding shell that covers the insulating body 20 and the terminal module 400 and engages with each other. 21, 22, the terminal module 400 further includes a docking terminal group 41, a number of transformers 43, a common mode suppression coil 45, an adapter module 47, and is used to carry and connect the docking terminal group 41, transformers 43, common mode The built-in circuit board 40 of the suppression coil 45 and the adapter module 47 . The butt terminal group 41 includes a number of butt terminals 411 welded on the built-in circuit board 40. These butt terminals 411 are arranged in a row and welded to the built-in circuit board 40. When the RJ45 butt plug is inserted into the aforementioned RJ45 interface, it can be connected with The butt terminals 411 are conductively matched to transmit the differential signal transmitted by the RJ45 plug to the terminal module 400 . The coils of the transformer are all connected to the built-in circuit board 40 , and are electrically connected to the adapter module 47 through the built-in circuit board 40 and the docking terminal 411 . The adapter module 47 includes an intermediate terminal 471 connected to the built-in circuit board 40, a tail terminal 473 extending out of the insulating body 20 for connecting to the circuit board, and a container 470 carrying the intermediate terminal 471 and the tail terminal 473. The common mode suppression The coils 45 are disposed in the container 470 , and one end of each common mode suppression coil 45 is connected to the middle terminal 471 , and the opposite end is connected to the tail terminal 473 . Therefore, the differential signal can be transmitted from the docking terminal 411 to the transformer coil 43 through the conductive line provided on the built-in circuit board 40, and then transmitted back to the built-in circuit board 40, and then transmitted to the common mode suppression through the built-in circuit board 40 and the intermediate terminal 471 The coil 45 , and ultimately through the tail terminal 47 , can be transmitted to the circuit board on which the electrical connector 100 is mounted.

各变压器43包括原边线圈431与副边线圈433，各原边线圈通过内置电路板40与对接端子411连接一来自对接插头的差分信号。所述副边线圈433之输出信号通过变压器43过滤掉部分杂讯。所述副边线圈433两输出端的一端通过内置电路板40与一中间端子471，连接一共模抑制线圈45的一端，该共模抑制线圈45的另一端连接一尾部端子473，副边线圈433的另一端通过内置电路板40与另一中间端子471，连接另一共模抑制线圈45的一端，此另一共模抑制线圈45的另一端分别连接另一尾部端子473，此两共模抑制线圈45对于差分信号的杂讯进一步过滤。Each transformer 43 includes a primary coil 431 and a secondary coil 433 , and each primary coil is connected to a docking terminal 411 through a built-in circuit board 40 with a differential signal from a docking plug. The output signal of the secondary coil 433 is filtered by the transformer 43 to remove part of the noise. One end of the two output ends of the secondary coil 433 is connected to one end of a common mode suppression coil 45 through the built-in circuit board 40 and an intermediate terminal 471, and the other end of the common mode suppression coil 45 is connected to a tail terminal 473. The other end is connected to one end of another common mode suppression coil 45 through the built-in circuit board 40 and another intermediate terminal 471, and the other end of the other common mode suppression coil 45 is respectively connected to another tail terminal 473. These two common mode suppression coils 45 are for The noise of the differential signal is further filtered.

参阅图5与图6，前述各共模抑制线圈45均缠绕于同一磁心(未标号)上，这样使共模抑制线圈45体积较小，可以连同磁心一起装置与绝缘容器470内。前述中间端子471与尾部端子473分别固定于绝缘容器470中共模抑制线圈45的相对两侧，前述各共模抑制线圈45的两端各自横跨过对应中间端子471及尾部端子473的一表面，并通过自动技术焊接于该表面，从而实现前述共模抑制线圈45到中间端子471与尾部端子473的连接。Referring to FIG. 5 and FIG. 6 , the aforementioned common-mode suppression coils 45 are all wound on the same magnetic core (not labeled), so that the common-mode suppression coils 45 are small in size and can be installed together with the magnetic core in the insulating container 470 . The aforementioned intermediate terminal 471 and the tail terminal 473 are respectively fixed on the opposite sides of the common mode suppression coil 45 of the insulating container 470, and the two ends of each of the aforementioned common mode suppression coils 45 respectively straddle a surface of the corresponding intermediate terminal 471 and the tail terminal 473, And it is welded on the surface by automatic technology, so as to realize the connection of the aforementioned common mode suppression coil 45 to the middle terminal 471 and the tail terminal 473 .

所述内置电路板40设有对应前述变压器43的原边线圈431、副边线圈433以及中间端子471的若干导电片401、403、405。原边与副边线圈横跨并焊接于各导电片401、403上，从而实现前述变压器43到内置电路板40的连接。所述中间端子471亦表面焊接于内置电路板40的导电片405上。The built-in circuit board 40 is provided with a plurality of conductive sheets 401 , 403 , 405 corresponding to the primary coil 431 , the secondary coil 433 and the intermediate terminal 471 of the aforementioned transformer 43 . The primary and secondary coils span and are welded to the conductive sheets 401 and 403 , so as to realize the connection of the aforementioned transformer 43 to the built-in circuit board 40 . The intermediate terminal 471 is also surface-welded on the conductive sheet 405 of the built-in circuit board 40 .

Claims

1. electric connector, can be installed on the circuit board, it comprises body and is installed on this intrinsic terminal module, described terminal module further comprises the butt end subgroup, some transformers, common mode choke coil and switching module reach in order to carrying and connect described butt end subgroup, transformer, the internal circuit board of common mode choke coil and switching module, described butt end subgroup can cooperate with a banjo conduction of transmitting differential signal, the differential signal that banjo transmits can be by behind described transformer and the common mode choke coil, transfer to the aforementioned circuit plate by the switching module, it is characterized in that: the coil of transformer all is connected on the internal circuit board, the switching module comprises the intermediate terminal that is connected in internal circuit board, can be connected in the rear terminal on the circuit board and carry the container of intermediate terminal and rear terminal, described common mode choke coil is arranged in the container, and an end of each common mode choke coil is connected with intermediate terminal, and the opposite other end is connected with rear terminal.

2. electric connector as claimed in claim 1 is characterized in that: described butt end subgroup comprises the some docking terminals that are arranged into row, and these docking terminals are welded on the internal circuit board, in order to connect aforementioned banjo.

3. electric connector as claimed in claim 2, it is characterized in that: each transformer comprises primary coil and secondary coil, each primary coil connects internal circuit board and docks terminal, in order to transmit a differential signal.

4. electric connector as claimed in claim 3, it is characterized in that: the two ends of described secondary coil are connected to rear terminal by internal circuit board, intermediate terminal, common mode choke coil respectively successively.

5. electric connector as claimed in claim 1, it is characterized in that: aforementioned each common mode choke coil is separately across a surface of crossing corresponding intermediate terminal and rear terminal, and be welded in the corresponding surface that it strides, thereby realize aforementioned common mode choke coil being connected to intermediate terminal and rear terminal.

6. electric connector as claimed in claim 1, it is characterized in that: described internal circuit board is provided with some conducting strips of corresponding aforementioned transformer coil, transformer coil across and be welded in each conducting strip, thereby realize that aforementioned common mode choke coil is to the connection of internal circuit board.

7. electric connector as claimed in claim 1 is characterized in that: thus described intermediate terminal is connected in internal circuit board by surface soldered.

8. electric connector as claimed in claim 1, it is characterized in that: aforementioned each common mode choke coil all is wound on the same magnetic core.