TWI418095B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a signal processing module.

For a prior art related to the present patent application, please refer to the Republic of China Patent No. M242904, which is incorporated herein by reference. The housing, the built-in circuit board housed in the housing, and the magnetic coil soldered to the built-in circuit board, the magnetic coil including a common mode choke.

As the Ethernet transmission rate is gradually increased, the electrical connector for the Ethernet network is required to have a good noise suppression effect, and a wider operating frequency band is required, and the above-mentioned prior art discloses that the power is disclosed. The connector has noise suppression effect and can also be applied to a higher operating frequency, but its transmission effect in a low frequency band is poor. Therefore, it is necessary to provide an electrical connector that can be applied to a wider frequency band and has a simple structure.

It is an object of the present invention to provide an electrical connector that can be applied to a wider frequency band and that has a simple structure.

In order to solve the above technical problem, the present invention adopts the following technical solution: an electrical connector includes a signal processing module, the signal processing module includes a magnetic coil, and the magnetic coil includes an annular magnetic core and is wound around the magnetic core. The coil, the magnetic coil also includes an additional magnetic core secured to the magnetic core.

Compared with the prior art, an additional magnetic core is fixed in the magnetic core of the magnetic coil of the electrical connector of the present invention, and the additional magnetic core can increase the leakage inductance of the magnetic coil to improve its transmission performance in a low frequency band, thereby having a wider width. Working frequency band. The electrical connector has a simple structure.

100‧‧‧Electrical connector

434‧‧‧ coil

2‧‧‧Insulated body

435‧‧‧Additional core

21‧‧‧ front wall

44‧‧‧Transfer module

22‧‧‧ Back wall

441‧‧‧ body

23‧‧‧ top wall

442‧‧‧Transfer terminal

24‧‧‧Network Connector埠

45‧‧‧Capacitive components

25‧‧‧USB埠

451‧‧‧Electrical terminals

26‧‧‧through hole

6‧‧‧USB terminal

4‧‧‧Signal Processing Module

7‧‧‧ indicating device

41‧‧‧ Built-in board

8‧‧‧Shaded housing

42‧‧‧Network connector terminal

81‧‧‧ front housing

43‧‧‧ Magnetic coil

82‧‧‧ rear housing

431‧‧‧Transformer

821‧‧‧ Back wall

432‧‧‧Common mode choke

822‧‧‧Flexible arm

433‧‧‧ magnetic core

The first figure is an assembled view of the electrical connector in accordance with the present invention.

The second figure is an exploded perspective view of the electrical connector of the present invention.

The third figure is an exploded perspective view of another angle of the electrical connector shown in the first figure.

The fourth figure is a comparison diagram of the differential mode suppression signals of the electrical connector shown in the first figure.

Referring to the first to fourth figures together, the present invention relates to an upper and lower stacked electrical connector 100. The electrical connector 100 includes an insulative housing 2, a signal processing module 4 received in the insulative housing 2, a USB terminal 6 fixed in the insulative housing 2, a pointing device 7, and a shielding housing that is wrapped around the insulative housing 2. 8.

Referring to the first to fourth figures together, the insulative housing 2 includes a front wall 21, a rear wall 22 parallel to the front wall 21, and a top wall 23 perpendicular to the front wall 21. The front wall 21 is provided with a network connector 24 and a USB port 25 that cooperate with a mating connector (not shown). The top wall 23 is provided with a through hole 26 extending from the rear wall 22 to the front wall 21.

Referring to the second and third figures, the signal processing module 4 includes a built-in circuit board 41, a network connector terminal 42 received in the network connector 24 of the insulative housing 2, and soldered to the built-in circuit board 41. The magnetic coil 43 is soldered to the adapter module 44 of the built-in circuit board 41 and the capacitor element 45. The magnetic coil 43 constitutes four signal transmission channels, each of which includes a transformer 431 and a common mode choke 432. The magnetic coil 43 includes an annular core 433, a coil 434 wound around the core 433, and is fixed by a colloid. An additional core 435 of the magnetic core 433, the additional core 435 is a magnetic bar. In the present embodiment, the additional magnetic core 435 is disposed in the magnetic core 433 of the four common mode chokes 432 arranged in parallel. The additional core 435 can also be disposed in the magnetic core 433 of the transformer 431 arranged in parallel, and the additional core 435 can also be disposed in the magnetic core 433 of the transformer 431 and the common mode choke 432 arranged in parallel. The surface of the coil 434 is soldered to the built-in circuit board 41. The adapter module 44 includes a base 441 and a transfer terminal 442 fixed in the base 441. The network connector terminal 42 is electrically connected to the transfer terminal 442 through the built-in circuit board 41 and the magnetic coil 43. The capacitive element 45 includes a conductive terminal 451 that extends to the other side of the built-in circuit board 41.

Referring to the fourth figure, the shielding housing 8 includes a front housing 81 and a housing 82 after mating with the front housing 81. The rear housing 82 includes a rear wall 821. The top of the rear wall 821 is provided with a resilient arm 822 for electrically connecting to the conductive terminal 451 of the capacitive element 45.

When manufacturing the electrical connector 100, the transformer 431, the common mode choke 432 to which the magnetic bar 435 is fixed, the network connector terminal 42 and the adapter module 44 are soldered to the built-in circuit board 41, and the USB terminal 6 is connected. Fixed to USB port 25, will indicate device 7 Soldered to the built-in circuit board 41. The magnetic coil 4 is mounted to the insulative housing 2, and the network connector terminal 42 is received in the network connector 24, and the indicating device 7 is received in the through hole 26 of the insulative housing 2. Finally, the elastic arm 822 of the housing 82 is electrically connected to the conductive terminal of the capacitive element 45 after the shielding case 8 is mounted, and the front housing 81 is mounted to the rear housing 82. The curve 12 in the fourth figure reflects the noise suppression effect of the prior art. The conventional technique has better noise suppression effect in the high frequency band and is poor in the low frequency band. The curve 11 reflects the noise suppression effect of the electrical connector 100, and the electrical connector 100 has good noise suppression effects in both the high frequency band and the low frequency band.

Compared with the prior art, an additional magnetic core 435 is fixed in the magnetic core 433 of the magnetic coil 43 of the electrical connector 100 of the present invention, and the additional magnetic core 435 can increase the leakage inductance of the magnetic coil to enhance its transmission in the low frequency band. Performance, thus having a wider operating band. The electrical connector 100 has a simple structure.

In summary, this creation has indeed met the requirements of the invention patent, and filed a patent application according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

2‧‧‧Insulated body

441‧‧‧ body

22‧‧‧ Back wall

442‧‧‧Transfer terminal

4‧‧‧Signal Processing Module

6‧‧‧USB terminal

431‧‧‧Transformer

7‧‧‧ indicating device

432‧‧‧Common mode choke

81‧‧‧ front housing

433‧‧‧ magnetic core

82‧‧‧ rear housing

434‧‧‧ coil

821‧‧‧ Back wall

435‧‧‧Additional core

Claims (6)

An electrical connector includes: a signal processing module, the signal processing module includes a magnetic coil, the magnetic coil includes an annular magnetic core and a coil wound on the magnetic core, wherein the magnetic coil further comprises a fixing to the foregoing An additional magnetic core of the magnetic core, the additional magnetic core being a magnetic bar, the additional magnetic core being disposed through the magnetic core. The electrical connector of claim 1, wherein the magnetic coil comprises at least one transformer and a common mode choke coil, and the additional magnetic core is disposed through the magnetic core of the transformer and the common mode choke coil. The electrical connector of claim 1, wherein the magnetic coil comprises at least two transformers, and the additional magnetic core is disposed through the magnetic cores of the two transformers. The electrical connector of claim 1, wherein the magnetic coil comprises at least two common mode choke coils, and the additional magnetic core is disposed through the magnetic cores of the two common mode choke coils. The electrical connector of claim 1, wherein the additional magnetic core is fixed to the magnetic core of the magnetic coil by a colloid. The electrical connector of claim 1, wherein the signal processing module comprises a built-in circuit board, and the surface of the coil is soldered to the built-in circuit board.