CN214012714U

CN214012714U - Magnetic module and electric connector with same

Info

Publication number: CN214012714U
Application number: CN202120033052.4U
Authority: CN
Inventors: 徐勇春
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hongteng Precision Technology Co Ltd; Foxconn Interconnect Technology Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-08-20
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a magnetism module, it includes the magnetic core and twines a plurality of enameled wires on the magnetic core, the enameled wire twines on the magnetism module and forms primary and secondary, primary includes that primary center takes a percentage, secondary includes that secondary center takes a percentage, primary with one among the secondary includes four group's enameled wires, and another includes a set of enameled wire. The utility model discloses the effective transmission of high frequency signal transmission can be guaranteed to the magnetism module. The utility model also discloses an electric connector of having above-mentioned magnetism module.

Description

Magnetic module and electric connector with same

[ technical field ] A method for producing a semiconductor device

The utility model relates to a magnetism module and have electric connector of this magnetism module especially relate to distribution of the coil enameled wire of magnetism module and have electric connector of this magnetism module.

[ background of the invention ]

Please refer to chinese patent No. CN102832019A, published on 12/19/2012, which discloses a magnetic module including a magnetic core, and a primary coil and a secondary coil wound on the magnetic core, wherein each input end and each output end of the primary coil and the secondary coil are connected by two wires, and the resistance between each input end and each output end is relatively large, which cannot ensure effective transmission of high-frequency signal transmission.

Therefore, there is a need for an improved magnetic module to overcome the above-mentioned shortcomings in the prior art.

[ Utility model ] content

The utility model discloses a main aim at: a magnetic module suitable for high frequency signal transmission and an electrical connector having the same are provided.

For solving the technical problem, the utility model discloses a following technical scheme: the utility model provides a magnetism module, its includes the magnetic core and twines a plurality of enameled wires on the magnetic core, the enameled wire twines on magnetism module and forms primary coil and secondary coil, primary coil includes primary center tap, secondary coil includes secondary center tap, one of primary coil with secondary coil includes four groups of enameled wires, and another includes a set of enameled wire.

For solving the above technical problem, the utility model discloses following technical scheme also can be adopted: the utility model provides an electric connector, its includes the magnetism module, the magnetism module includes the magnetic core and twines a plurality of enameled wires on the magnetic core, the enameled wire twines on the magnetism module and forms primary coil and secondary coil, primary coil package primary center tap, secondary coil includes secondary center tap, primary coil with one of secondary coil includes four groups of enameled wires, and another includes a set of enameled wire, electric connector can support 25 Gbps.

Compared with the prior art, the utility model discloses the advantage of magnetism module lies in: one of the primary coil and the secondary coil comprises four groups of enameled wires, and the other one of the primary coil and the secondary coil comprises one group of enameled wires, and the enameled wires are reasonably distributed to ensure effective transmission of high-frequency signals.

[ description of the drawings ]

Fig. 1 is a schematic view of a magnetic module and a common mode choke coil connected thereto according to the present invention.

Fig. 2 is a schematic circuit diagram of the magnetic module shown in fig. 1 and a common mode choke coil connected thereto.

Fig. 3 is a schematic diagram of the magnetic module shown in fig. 1 after winding wires, wherein the wire ends are scattered.

Fig. 4 is a perspective view of an electrical connector having the magnetic module of fig. 3.

[ description of main reference symbols ]

Magnetic module 100 magnetic core 1

Primary coil 2 and secondary coil 3

Center through hole 11 first set of enameled wires 21

Second set of enamel coated wires 22 and third set of enamel coated wires 33

The fourth set of enameled wires 34 has a primary input end 211

Primary center tap 101 primary output 221

Secondary center tap 102 secondary input 331

Secondary output 341 common mode choke 200

Gold wire 40 common mode magnetic core 201

Electrical connector 600 housing 601

Insulating body 602

[ detailed description ] embodiments

Referring to fig. 1 to 4, a magnetic module 100 according to the present invention is a transformer. The magnetic module 100 comprises a magnetic core 1 and a plurality of enameled wires wound on the magnetic core 1, wherein the enameled wires are wound on the magnetic module to form a primary coil 2 and a secondary coil 3 of the magnetic module 100.

One of the primary coil 2 and the secondary coil 3 includes four groups of enameled wires, and the other includes one group of enameled wires, specifically, in this embodiment, the primary coil 2 is four groups of enameled wires, the secondary coil 3 is one group of enameled wires, and the magnetic module can support transmission of 6.25Gbps signals. The primary coil 2 comprises a primary center tap 101 and the secondary coil 3 comprises a secondary center tap 102.

The magnetic core 1 is a circular magnetic core with a central through hole or an elliptic magnetic core with two through holes. Specifically, in the present embodiment, the magnetic core 1 is a circular ring-shaped magnetic core 1 provided with a central through hole 11. The primary coil 2 includes a first group of enameled wires 21 and a second group of enameled wires 22, the first group of enameled wires 21 and the second group of enameled wires 22 form a primary input end 211 and a primary output end 221 of the primary coil 2, respectively, and a primary center tap 101 is formed between the primary input end 211 and the primary output end 221. The secondary coil 3 includes a third set of enamel wires 33 and a fourth set of enamel wires 34. The third set of enameled wires 33 and the fourth set of enameled wires 34 form a secondary input 331 and a secondary output 341 of the secondary coil 3, respectively, and a secondary center tap 102 is formed between the secondary input 331 and the secondary output 341. The first group of enameled wires 21 and the second group of enameled wires 22 are four. The third group of enameled wires 33 and the fourth group of enameled wires 34 are both one. The diameter of each enameled wire of the first group of enameled wires 21, the second group of enameled wires 22, the third group of enameled wires 33 and the fourth group of enameled wires 34 is the same. The first group of enameled wires 21, the second group of enameled wires 22, the third group of enameled wires 33 and the fourth group of enameled wires 34 are twisted together by winding the parts of the enameled wires on the magnetic core 1, and are wound on the magnetic core 1 in a direction penetrating through the central through hole 11, and the wire ends of the enameled wires are exposed.

In production, different colors are commonly used to distinguish different groups. Each enameled wire is provided with a first wire end and a second wire end which extend out of the magnetic core. For clarity, the first set of enamel wires 21 is gold, and the first end of a gold wire is denoted by N, the second set of enamel wires 22 is blue, the first end of a blue wire is denoted by B, the second end of a blue wire is denoted by B, the first end of a red wire is denoted by red, and the second end of a red wire is denoted by R. The fourth set of enamel wires 34 is represented by green, with G representing a first end of a green wire and G representing a second end of a green wire. The color of the enamel wire is merely for convenience of distinction and other colors may be substituted.

First line heads NNNN of the four enameled wires of the first group of enameled wires 21 are commonly used as a primary input end 211 of the primary coil 2 of the transformer, second line heads BBBB of the second group of enameled wires 22 are commonly used as a primary output end 221 of the primary coil 2 of the transformer, the second line heads NNNN of the first group of enameled wires 21 and the first line heads BBBB of the second group of enameled wires 22 together form a primary center tap 101, a first line head R of one enameled wire of the third group of enameled wires 33 is used as a secondary input end 331 of the secondary coil 3 of the transformer, and a second line head g of the fourth group of enameled wires 34 is a secondary output end 341 of the secondary coil 3 of the transformer. The second stubs r of the third set of enamel wires 33 and the first stubs G of the fourth set of enamel wires 34 together form a secondary center tap 102, the primary center taps 101 being twisted into one bundle and the secondary center taps 102 being twisted into another bundle. The tail ends of the secondary center taps 102 are connected together by stripping paint and dipping tin. The distance from the tin-dipped part of the secondary center tap 102 to the magnetic core is not more than 1.1 mm.

As shown in fig. 4, in order to meet the present invention, an electrical connector 600 includes a housing 601, an insulating body 602 and a magnetic module 100, wherein the insulating body 602 is accommodated in the housing 601. The electrical connector 600 further includes a common mode choke 200. The common mode choke 200 includes a common mode core 201. A gold wire 40 is added, which includes a first end N 'and a second end N' of the gold wire 40. The gold wire 40 is twisted together with the third set of enamel wires 33 and the fourth set of enamel wires 34, and wound on the common mode core 201 to form the winding wires RgN 'and rGn'. The electrical connector 600 comprises four magnetic modules 100, and the electrical connector 600 can support transmission of 25Gbps signals.

The utility model discloses in, primary with one among the secondary coil includes four groups of enameled wires, and another includes a set of enameled wire for one side that has four groups of enameled wires has lower resistance, through rationally distributing the enameled wire, in order to reach the purpose of transmission high frequency signal.

The above is only an embodiment of the present invention, not all or only one embodiment, and any equivalent changes that the technical solution of the present invention takes are covered by the claims of the present invention through reading the present invention.

Claims

1. The utility model provides a magnetism module, its includes the magnetic core and twines a plurality of enameled wires on the magnetic core, the enameled wire twines on magnetism module and forms primary coil and secondary coil, primary coil includes that the primary center is taken a percentage, secondary coil includes that the secondary center is taken a percentage, its characterized in that: one of the primary coil and the secondary coil includes four sets of enameled wires, and the other includes one set of enameled wires.

2. The magnetic module of claim 1, wherein the primary coil is formed by four groups of enameled wires, the secondary coil is formed by one group of enameled wires, and the magnetic module can support 6.25 Gbps.

3. The magnetic module according to claim 2, wherein the primary coil comprises a first group of enameled wires and a second group of enameled wires, the secondary coil comprises a third group of enameled wires and a fourth group of enameled wires, the number of the first group of enameled wires and the second group of enameled wires is four, and the number of the third group of enameled wires and the fourth group of enameled wires is one.

4. The magnetic module according to claim 3, wherein the diameter of each enameled wire in the first group of enameled wires, the second group of enameled wires, the third group of enameled wires and the fourth group of enameled wires is the same.

5. The magnetic module of claim 3, wherein the tail ends of the secondary center taps are connected by depainting and wicking.

6. The magnetic module of claim 5, wherein the distance from the secondary center-tapped tinned portion to the core is no greater than 1.1 mm.

7. The magnetic module according to claim 3, wherein the first set of enameled wires, the second set of enameled wires, the third set of enameled wires and the fourth set of enameled wires are twisted together around the portion of the magnetic core.

8. The magnetic module of claim 1, wherein the core is a toroidal core having a central through hole or an elliptical core having two through holes.

9. The utility model provides an electric connector, its includes the magnetism module, and the magnetism module includes magnetic core and a plurality of enameled wires of winding on the magnetic core, the enameled wire twines on the magnetism module and forms primary and secondary coil, primary includes that primary center takes a percentage, secondary coil includes that secondary center takes a percentage, its characterized in that: one of the primary coil and the secondary coil comprises four groups of enameled wires, the other comprises one group of enameled wires, and the electrical connector can support 25 Gbps.

10. The electrical connector of claim 9, wherein the primary coil is a set of four enameled wires, the secondary coil is a set of enameled wires, and the distance from the secondary center-tapped tinned portion to the magnetic core is not more than 1.1 mm.