TWM504366U - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a printed circuit board (PCB) module, a set of mating contacts connecting to a first side of the PCB module, and a set of mounting contacts connecting to a second side of the PCB module. The PCB module includes a PCB, a transformer mounted on the PCB, and a common mode choke mounted on the PCB. The mating contacts electrically connect to the corresponding mounting contacts through the transformer and common mode choke. The common mode choke is formed of a plurality of spiral conductive paths.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to a component structure of a common mode suppressor in an electrical connector.

For the prior art, please refer to the Chinese Patent Application No. CN102104223A published on June 22, 2011, which discloses an RJ45 electrical connector having a circuit board and an isolative transformer and common mode rejection disposed on the circuit board. Common mode choke, wherein the common mode suppressor adopts a chip-type (SMT) structure, and the transformer is formed by a magnetic core embedded in the circuit board and an annular conductive path surrounding the magnetic core. The use of a patch-type common mode suppressor has a high procurement cost.

In another prior art, reference is made to US Patent Application No. US 2008/0214058 A, issued Sep. 4, 2008, which is incorporated herein incorporated by reference in its entirety in its entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire disclosure The common mode suppressor of the winding structure needs to be manually wound, and the wire head is small and the production cost is also high.

Therefore, it is necessary to provide a new electrical connector to overcome the above drawbacks.

The technical problem to be solved by this creation is to provide a common mode suppressor The electrical connector has a low common cost of the common mode suppressor.

In order to solve the above technical problem, the technical means of the present invention is: an electrical connector comprising an insulative housing, a circuit board assembly mounted on the insulative housing, a mating terminal mounted on one end of the circuit board assembly, and mounted on the other end of the circuit board a circuit board assembly comprising a circuit board and a transformer and a common mode suppressor disposed on the circuit board, the docking terminal being electrically connected to the pin terminal via a transformer and a common mode suppressor on the circuit board, Wherein the common mode suppressor is formed by a spiral conductive path printed on a circuit board.

Compared with the prior art, the present invention utilizes a spiral conductive path on the circuit board to form a common mode suppressor. Since the spiral conductive path is low in cost and can be conveniently laid on the circuit board, the common mode suppressor on the electrical connector Production costs are low.

1‧‧‧Insulating body

100‧‧‧Electrical connector

11‧‧‧ containment chamber

122‧‧‧Network interface

124‧‧‧Universal Serial Interface

2‧‧‧Board components

21‧‧‧ boards

210‧‧‧Conductor

211‧‧‧ conductive path

22‧‧‧Transformers

221‧‧‧Round core

222‧‧‧Enameled wire

23‧‧‧Common mode suppressor

230‧‧‧Bolt magnet

3‧‧‧Docking terminal

31‧‧‧Docking Department

32‧‧‧Installation Department

33‧‧‧Connecting Department

4‧‧‧ pin terminal

40‧‧‧Insulation carrier

5‧‧‧USB terminal

6‧‧‧ display device

71‧‧‧Front mask housing

72‧‧‧ rear mask housing

The first figure is a perspective view of the present electrical connector.

The second figure is an exploded view of the electrical connector shown in the first figure.

The third figure is another exploded view of the electrical connector shown in the second figure.

The fourth figure is a partially exploded view of the electrical connector shown in the first figure.

The fifth figure is a circuit diagram of the electrical connector network interface shown in the first figure.

Please refer to the first figure, which is an electrical connector 100 conforming to a stacked network interface (RJ45) 122 and a universal serial interface (Double USB) 124 of the present invention. The electrical connector 100 can be mounted to an external circuit board (not shown) for transfer transmission of the RJ45 plug connector (cylinder head, not shown), USB plug connector ( Signal not shown between the board and the external board.

Referring to FIG. 2 to FIG. 5 together, the electrical connector 100 includes an insulative housing 1 , a circuit board assembly 2 mounted on the rear end of the insulative housing 1 , a mating terminal 3 mounted on one end of the circuit board assembly 2 , and a circuit mounted on the circuit The pin terminal 4 at the other end of the board assembly 2, the two rows of USB terminals 5 located at the front end of the circuit board assembly 2 and the lower side of the mating terminal 3 are inserted into the insulative housing 1 for indicating that the RJ45 plug connector is electrically connected to the electrical connector 100. The state display device 6 and the metal mask casings 71 and 72 covered in the insulative housing 1.

The circuit board assembly 2 includes a circuit board 21 and a transformer 22 and a common mode suppressor 23 disposed on the circuit board 21, and the docking terminal 3 is electrically connected to the pin terminal via a transformer 22 and a common mode suppressor 23 on the circuit board. 4. Referring to FIG. 5, the electrical connector 100 includes four transmission channels, each of which corresponds to two docking terminals 3 and two pin terminals 4, each of which includes a transformer 22 and a common mode suppressor 23.

The common mode suppressor 23 is formed by a spiral conductive path 211 printed on the circuit board 21 mountain. The spiral conductive path 211 is disposed on the surface of the circuit board 21, that is, on the surface of the circuit board 21. The common mode suppressor 23 further includes a magnetizer 230 disposed above the spiral conductive path 211. The magnetizer 230 has a magnetic conductive powder therein to increase the inductance of the coil conductive path 211. The magnetizer 230 may be a magnetic conductive adhesive or The magnetic conductive powder 230 is a magnetic conductive adhesive that is directly attached to the conductive path 211. The magnetic conductive adhesive has the advantages of low procurement cost and easy coverage on the conductive path 211. Thereby, the manufacturing cost of the common mode suppressor 23 in the electrical connector 100 is reduced, thereby reducing the production cost of the electrical connector 100.

One end of the spiral conductive path 211 is electrically connected to the transformer 22, and the other end is The pin terminal 4 is electrically connected. According to the inductance requirement of the common mode suppressor 23, the spiral conductive path 211 has a width of at least 0.1 mm, and the spiral conductive path 211 is wound at least four times. Of course, the more the number of windings of the conductive path 211, the larger the inductance value is due to the circuit. The space of the plate 21 is limited to be wound around eight rings. Of course, the conductive path 211 and the magnetizer 230 may be disposed on both the front end surface and the rear end surface of the circuit board 21 as needed to form the common mode suppressor 23 to increase the inductance of the common mode suppressor 23.

The transformer 22 includes a toroidal core 221 and an enameled wire 222 wound on the toroidal core 221. The circuit board 21 is provided with two rows of conductive sheets 210. The ends of the enameled wire 222 are respectively connected to two rows of conductive wires. On the sheet 210.

The insulative housing 1 has a receiving cavity 11 for inserting an RJ45 plug connector. The mating terminal 3 has an abutting portion 31 extending into the receiving cavity 11, a connecting portion 33 connected to the circuit board 21, and a docking portion and a connection. The mounting portion 32 in the middle of the portion 33. The circuit board 21 is vertically disposed in the up and down direction, and the surface of the connecting portion 33 of the mating terminal 3 is soldered to the front end surface of the circuit board 21, and the pin terminal 4 is pierced and soldered to the circuit board 21 and located below the mating terminal 3. The pin terminal 4 is formed by mounting to the insulating carrier 40 to form a terminal module, and then mounted to the bottom end of the circuit board 21.

The metal mask housings 71, 72 include a front mask housing 71 and a rear mask housing 72 for engaging external electromagnetic interference.

In summary, this creation has indeed met the requirements of the new patent, and filed a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereby. Equivalent modifications or changes made by those who have ordinary knowledge in the technical field that follow the spirit of this creation still cover Within the scope of the patent application attached.

210‧‧‧Conductor

211‧‧‧ conductive path

22‧‧‧Transformers

221‧‧‧Round core

222‧‧‧Enameled wire

230‧‧‧Bolt magnet

4‧‧‧ pin terminal

Claims (10)

An electrical connector comprising: an insulative housing; a circuit board assembly mounted to the insulative housing, the circuit board assembly comprising a circuit board and a transformer and a common mode suppressor disposed on the circuit board; the docking terminal is mounted on the circuit One end of the board assembly; and the pin terminal are mounted on the other end of the circuit board assembly, the docking terminal is electrically connected to the pin terminal through a transformer and a common mode suppressor on the circuit board; wherein the common mode suppressor is printed A spiral conductive path formed on the circuit board is formed. The electrical connector of claim 1, wherein the common mode suppressor further comprises a magnetizer disposed over the spiral conductive path. The electrical connector of claim 2, wherein the magnetic conductor is a magnetically conductive adhesive that is attached directly above the spiral conductive path. The electrical connector of claim 1, wherein the spiral conductive path is disposed on a surface of the circuit board. The electrical connector of claim 1, wherein one end of the spiral conductive path is electrically connected to the transformer, and the other end is electrically connected to the pin terminal. The electrical connector of claim 1, wherein the spiral conductive path is wound at least four times. The electrical connector of claim 1, wherein the spiral conductive path has a width of at least 0.1 mm. The electrical connector of claim 1, wherein the transformer comprises a toroidal core and an enameled wire wound on the toroidal core, the circuit board There are two rows of conductive sheets, and the ends of the enameled wire are respectively connected to the two rows of conductive sheets. The electrical connector of claim 1, wherein the insulative housing has a receiving cavity for inserting a mating connector, the mating terminal having a mating portion extending into the receiving cavity and a connection to the circuit board unit. The electrical connector of claim 9, wherein the circuit board is vertically disposed in an up-and-down direction, a surface of the connecting portion of the mating terminal is soldered to the circuit board, and the pin terminal is perforated and soldered to the circuit board. Located below the docking terminal.