TWM454647U - Electric connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to the design of an inner circuit board of an electrical connector.

At present, in the field of communication, as the signal transmission rate continues to increase, the design requirements for electrical connectors are also increasing. The prior art related to the present invention can be referred to the Chinese Patent No. CN201838841 filed on August 24, 2010, which discloses an electrical connector including an insulative body and a terminal module housed in the insulating body. The terminal module includes an inner circuit board, and the inner circuit board includes a plurality of magnetic components and a grounding capacitor, and the gas discharge tube is designed in parallel with the capacitor. However, this design gas discharge tube protects only one docking port circuit. When a single gas discharge tube is used for each port in a stacked connector, the cost of the entire connector increases.

Therefore, it is necessary to design a new type of electrical connector to solve the above technical problems.

The technical problem to be solved by the present invention is to provide an electrical connector in which the gas discharge tube on the circuit board can simultaneously protect the circuits of the two ports, thereby saving the cost of the electrical connector.

In order to solve the above technical problems, the present invention adopts the following technical solutions: an electrical connector for connecting an external cable, the electrical connector comprising a mask housing, a terminal module housed in the mask housing, and being mounted on An inner circuit board on the terminal module and two ports for connecting an external cable, wherein the inner circuit board is mounted with a capacitor and a gas discharge tube connected in parallel with the capacitor, and the two ports are commonly connected to one gas discharge tube.

Compared with the prior art, the present electrical connector shares a gas discharge tube through two ports. Such a design reduces the cost of the entire electrical connector.

The following is a further specific design of the electrical connector of the creative system:

An electrical connector for connecting an external cable, the electrical connector comprising a mask housing, a terminal module received in the mask housing, an inner circuit board mounted on the terminal module, and two for connecting A port of the external cable, wherein the inner circuit board is mounted with a capacitor and a gas discharge tube connected in parallel with the capacitor, and the two ports are commonly connected to one gas discharge tube. The gas discharge tube is filled with an inert gas.

The inner circuit board includes a first surface and a second surface on a reverse side of the first surface, the capacitor is mounted on the first surface, and the discharge device is mounted on the second surface. The inner circuit board is provided with a plurality of mounting holes and a plurality of conductive regions, and the conductive regions of the first surface and the conductive regions of the second surface are connected and electrically connected through the mounting holes.

The mask housing is provided with a first elastic arm and a second elastic arm extending from the housing, and the inner circuit board is clamped between the first elastic arm and the second elastic arm.

The terminal module includes an insulator, the insulator is provided with a first receiving space, and the electrical connector further includes a plurality of transformers, and the transformer is received in the first receiving space of the insulator.

The electrical connector includes two ports that interface with an external cable, each of the transformers including a primary coil and a secondary coil, each of which is coupled to a plurality of secondary coils.

The secondary coil is provided with a center tap, and the center tap is connected to one end of the capacitor and the gas discharge tube in parallel, and the other end of the capacitor and the gas discharge tube are connected in parallel.

The electrical connector also includes a plurality of inductors that are coupled to the inductor.

Referring to the first to third figures, the electrical connector assembly 100 is formed by stacking a plurality of electrical connectors for connecting external cables, each of which includes a mask housing 10 and is housed in The insulative housing 20 in the housing 10, the terminal module 30 mounted in the insulative housing 20, and the inner circuit board 40 mounted on the terminal module 30. The mask housing 10 includes a rear cover 11 and a shell body 12 that is assembled with the rear cover 11 to form an integral body. The back cover 11 is provided with a first elastic arm 110 extending from the inside of the rear cover 11 perpendicularly to the rear cover wall and a second elastic arm 111 disposed above and below the first elastic arm 110. The first elastic arm 110 is provided. There is a first contact portion 112 protruding toward the second elastic arm 111, and the second elastic arm 111 is provided with a second contact portion 113 protruding toward the first elastic arm 110, and the inner circuit board 40 is held by Between a contact portion 112 and the second contact portion 113.

Referring to the fourth to fifth embodiments, the terminal module 30 is mounted on the circuit board 50, and the inner circuit board 40 is mounted on the terminal module 30. The terminal module 30 includes an insulator 31, and the insulator 31 is provided with a first The accommodating space 310 further includes a plurality of magnetic coils 32 housed in the first accommodating space 310. The magnetic coils 32 include a transformer 320 and an inductor 324.

The inner circuit board 40 includes a capacitor 41 and a gas discharge tube 42 connected in parallel with the capacitor 41. The gas discharge tube 42 is filled with an inert gas. When struck by lightning, the gas discharge tube 42 is broken through, thereby protecting the capacitor from being instantaneously broken by high voltage. The inner circuit board 40 includes a first surface 43 and a second surface 44 on the reverse side of the first surface 43. The capacitor 41 is mounted on the first surface 43 and the gas discharge tube 42 is mounted on the second surface 44. If space permits, the capacitor 41 and the gas discharge tube 42 can also be designed on the same side of the inner circuit board 40. This embodiment is mounted on both sides. The inner circuit board 40 is provided with a plurality of mounting holes 45 and conductive regions 46. The conductive regions 46 of the first surface 43 and the conductive regions 46 of the second surface 44 are connected and electrically connected through the mounting holes 45. Referring to the seventh figure, the first contact portion 112 is in contact with the conductive region 46 of the first surface 43, and the second contact portion 113 is in contact with the conductive region 46 of the second surface 44 to achieve grounding.

The terminal module 30 further includes a plurality of conductive terminals 33 and an insulating block 34 in which the conductive terminals 33 are held. The inner circuit board 40 is further provided with a plurality of soldering regions 47. The conductive terminals 33 include a soldering portion 330 connected to the soldering region 47 and an abutting portion 331 extending at an angle to the soldering portion 330. The mating portion 331 has Elastic and overhanging on the side of the insulating block 34 is in elastic contact with the mating connector. The insulative housing 20 is provided with a receiving cavity 21 . The abutting portion 331 of the conductive terminal 33 extends into the receiving cavity 21 of the insulative housing 20 , and the mating connector is inserted into the receiving cavity 21 to be connected to the electrical connector.

Referring to the seventh figure, a circuit diagram of an electrical connector includes two ports 1 that interface with an external cable, each of the transformers 320 including a primary coil 321 and a secondary coil 322, the primary coil 321 is connected to an inductor 324, and each of the ports 1 is connected to a plurality of secondary coils 322. The secondary coil 322 includes a center tap 323. The center tap 323 is connected to one end of the capacitor 41 and the gas discharge tube 42 in parallel. The other end of the capacitor 41 and the gas discharge tube 42 are connected in parallel.

Compared with the prior art, the present electrical connector is connected through a gas discharge tube 42 at both ends of the capacitor 41 on the inner circuit board 40. Such a design makes the circuit not be destroyed by high voltage moments when the electrical connector is struck by lightning. Moreover, the working state of the gas discharge tube is stable and the service life is long.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and any equivalent modification or change made by a person familiar with the skill of the present invention in accordance with the spirit of the present invention should be It is covered by the following patent application.

100‧‧‧Electrical connector assembly

10‧‧‧mask housing

11‧‧‧ Back cover

110‧‧‧First elastic arm

111‧‧‧Second elastic arm

112‧‧‧First contact

113‧‧‧Second contact

12‧‧‧Shell body

20‧‧‧Insulating body

21‧‧‧ containment chamber

30‧‧‧Terminal module

31‧‧‧Insulator

310‧‧‧First containment space

32‧‧‧ Magnetic coil

320‧‧‧Transformers

321‧‧‧One coil

322‧‧‧second coil

323‧‧‧Center tap

324‧‧‧Inductance

33‧‧‧Electrical terminals

331‧‧‧Docking Department

34‧‧‧Insulation block

40‧‧‧ inner board

41‧‧‧ Capacitance

42‧‧‧ gas discharge tube

43‧‧‧ first side

44‧‧‧ second side

45‧‧‧Installation holes

46‧‧‧Conducting area

47‧‧‧Weld area

50‧‧‧ boards

330‧‧‧Weld Department

1‧‧‧port

The first figure is a perspective view of the assembled electrical connector after stacking.

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

The third figure is an exploded view of another angle shown in the second figure.

The fourth figure is an exploded view of the terminal module of the present electrical connector.

The fifth figure is an exploded view of another angle shown in the second figure.

Figure 6 is a cross-sectional view of the present electrical connector along the VI-VI direction of the first figure.

The seventh figure is a circuit diagram of the present electrical connector.

1‧‧‧port

41‧‧‧ Capacitance

42‧‧‧ gas discharge tube

320‧‧‧Transformers

321‧‧‧One coil

322‧‧‧second coil

323‧‧‧Center tap

324‧‧‧Inductance

Claims (9)

An electrical connector, the electrical connector comprising:
Mask housing
a terminal module, the terminal module being received in the mask housing;
An inner circuit board, wherein the inner circuit board is mounted on the terminal module;
And two ports, each of which is connected to an external cable;
The inner circuit board is provided with a capacitor and a gas discharge tube connected in parallel with the capacitor, and the two ports are connected in common to one gas discharge tube. The electrical connector of claim 1, wherein the gas discharge tube is filled with an inert gas. The electrical connector of claim 1, wherein the inner circuit board comprises a first surface and a second surface on a reverse side of the first surface, the capacitor is mounted on the first surface, the gas discharge tube Installed on the second side. The electrical connector of claim 3, wherein the inner circuit board is provided with a plurality of mounting holes and a plurality of conductive regions, and the conductive region of the first surface and the conductive region of the second surface are connected through the mounting holes. And conductive. The electrical connector of claim 4, wherein the mask housing is provided with a first elastic arm and a second elastic arm extending from the housing, the inner circuit board being clamped to the first elastic Between the arm and the second resilient arm. The electrical connector of claim 4, wherein the terminal module comprises an insulator, the insulator is provided with a first receiving space, the electrical connector further comprises a plurality of transformers, and the transformer is received in the insulator Inside the first containment space. The electrical connector of claim 6, wherein each of the transformers includes a primary coil and a secondary coil, and each of the ports is connected to a plurality of secondary coils. The electrical connector of claim 7, wherein the secondary coil is provided with a center tap, and the center tap is connected to one end of the capacitor and the gas discharge tube in parallel, the capacitor and the gas discharge tube The other end connected in parallel is grounded. The electrical connector of claim 7, wherein the electrical connector further comprises a plurality of inductors, the primary coil being coupled to the inductor.