TWI506886B - Method of making a magnetic module and a connector using the same - Google Patents

Description

Method for manufacturing magnetic module and electrical connector manufactured using the same

The present invention relates to a method of manufacturing a magnetic module and an electrical connector manufactured using the same, and more particularly to a structure of a connection terminal in a magnetic module.

As the frequency of network transmission signals continues to increase, the RJ45 electrical connectors currently in use are generally equipped with magnetic modules for filtering clutter signals. The magnetic module includes an insulator and a plurality of magnetic coils received in the insulator. The insulator has a front wall and a plurality of connecting terminals are received on the front wall. The connecting terminals are arranged in a row in the longitudinal direction, and one end of each connecting terminal is disposed. A connecting portion is connected to the wire end of the magnetic coil, and the other end is provided with a soldering portion connected to the sub-circuit board to indirectly electrically connect with the mating terminal. If the magnetic coil is provided in a large amount, it is necessary to increase the number of connection terminals, thereby increasing the production cost.

Therefore, in order to solve the above problems, it is necessary to modify the aforementioned electrical connector.

It is an object of the present invention to provide a method of manufacturing a magnetic module that is low in cost and capable of reducing the number of terminals, and an electrical connector using the same.

In order to achieve the foregoing objectives, the present invention adopts the following technical solution: a method for manufacturing a magnetic module, comprising the steps of: (1) providing an insulator having a receiving cavity; (2) providing a plurality of magnetic coils having a wire end; (3) Providing a strip with a positioning hole, after the strip is fixed, the stamping is started, and the plurality of connecting terminals are integrally stamped and formed, and each connecting terminal is provided with a connecting portion, wherein one connecting terminal punches out two connecting portions; (4) The magnetic coil is fixed in the accommodating cavity, the connecting terminal is held in the insulator, and the connecting portion of each connecting terminal is electrically connected to the wire end of the magnetic coil, and the connecting terminals having the two connecting portions are respectively connected to the two wire ends.

Compared with the prior art, the present invention has the following advantages: two terminals are provided on one terminal, and there is no need to punch out additional terminals to save the tape, which is advantageous in reducing production cost.

In order to achieve the foregoing objectives, the present invention may also adopt the following technical solutions: an electrical connector comprising: a magnetic module, an insulator, a plurality of magnetic coils housed in the insulator, and a plurality of connection terminals connected to the magnetic coil, each of the plurality The magnetic coil has a wire end, each connecting terminal has a connecting portion electrically connected to the wire end; and one connecting terminal is provided with two connecting portions respectively connected to the two wire ends.

Compared with the prior art, the present invention has the following advantages: two connection portions are provided on one connection terminal, and no additional connection terminals are required, which is advantageous in reducing production cost.

The specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in the first and second figures, the present electrical connector 100 includes a connector body 1 and a shield case 4 that is wrapped around the connector body 1. The connector body 1 includes an insulative housing 2 , an indicator light 3 received in the insulative housing 2 , and a terminal module 5 connected to the insulative housing 2 .

As shown in the second and third figures, the insulative housing 2 is provided with a front end surface 21, a rear end surface 23 opposed to the front end surface 21, and both side surfaces 22 connecting the front end surface 21 and the rear end surface 23. The front end surface 21 is recessed toward the rear end surface 23 to accommodate a receiving space 24 of a mating connector (not shown). The two side surfaces 22 are recessed toward the receiving space to form a recess 221 for accommodating the light tube 31 of the indicator light 3. The indicator light 3 is further provided with a pin 32 connected to the light tube 31, and the side surface 22 of the insulating body 2 is opened. There is a channel 222 for holding the pin 32 to better mount the indicator light 3 on the insulative housing 2.

The shielding case 4 is formed by stamping and bending a metal piece. The shielding case 4 includes two side walls 41 and an upper wall 42 connecting the two side walls 41. The side wall 41 is provided with an outwardly bent elastic piece 411 on the rear side thereof, and the upper wall 42 is provided with a through hole 421 on the rear side thereof. In order to enhance the electromagnetic shielding function of the electrical connector 100, a rear housing 6 is mounted on the rear side of the shielding housing 4, and the rear housing 6 is also stamped and bent from a metal sheet, and is provided with a base portion 61 and a base portion. The wings 62 are bent and extended at both ends. The base portion 61 is provided with a holding piece 611 upwardly for holding the through hole 421 of the shielding case 4; the wing portion 62 is provided with an opening 621 that is engaged with the elastic piece 411 of the shielding case 4.

As shown in the fourth and fifth figures, the terminal module 5 includes a mating terminal set 51, a magnetic module 52, and a mating terminal set 51 and a magnetic module 52 that are received in the receiving space 24 to be electrically connected to the mating connector. Electrically connected sub-circuit board 53. The docking terminal group 51 includes a plurality of conductive terminals 511 and a base 512 integrally formed with the conductive terminals 511. Each of the conductive terminals 511 includes a holding portion 5111 extending horizontally and embedded in the base 512 , a contact portion 5112 extending obliquely upward from the end of the holding portion 5111 , and a welded portion 5113 at the other end of the holding portion 5111 . The magnetic module 52 includes an insulator 521 having a substantially box shape and having a receiving cavity 5211 and a plurality of magnetic coils 522 (including a magnetic core and an enameled wire wound around the magnetic core) fixed in the receiving cavity 5211. The insulator 521 is provided with a front wall 5212 and a rear wall 5213 on both sides of the accommodating chamber 5211. The front wall 5212 is provided with a plurality of terminal grooves 5214 arranged in the longitudinal direction to accommodate the connection terminals 523. The connection terminals 523 are arranged in a row in the longitudinal direction. One end of each of the connection terminals 523 is provided with a connecting portion 5231. The connecting portion 5231 is electrically connected to a wire end (not shown) of the magnetic coil 522, and the other end is provided. The horizontally extending soldering leg 5232 is provided with a barbed retaining portion 5233 between the connecting portion 5231 and the soldering leg 5232. In the present embodiment, one connecting terminal located at the outermost side in the longitudinal direction is integrally provided with two connecting portions 5231, 5231', so that two wire ends can be connected to one connecting terminal without adding additional connecting terminals, thereby saving money. The production cost, while reducing one connection terminal, can reduce the size of the electrical connector in the longitudinal direction, which is advantageous for miniaturization. Of course, if necessary, two connection portions can be provided on other connection terminals. The two connecting portions 5231, 5231' are formed by bifurcation from the holding portion 5233, wherein one connecting portion is bent backward in the mating direction (front-rear direction) with respect to the other connecting portion, and then extended upward to be connected to the other. The section is staggered to facilitate the connection of the thread. All the connecting terminals of the present invention are formed by stamping a strip with positioning holes, and the plurality of connecting terminals are integrally punched out, and one connecting terminal punches out two connecting portions, thereby facilitating the assembly of the subsequent electrical connectors. The rear wall 5213 is provided with a plurality of transfer terminals 524 that connect the magnetic coil 522 to an external circuit board (not shown).

In the manufacturing process of the magnetic module 52, an insulator 521 having a receiving cavity 5211 is first provided; then a magnetic coil 522 with a wire head is provided; and all the connecting terminals 523 are integrally punched out on the prepared metal strip with the positioning holes. Each of the connection terminals 523 is provided with a connecting portion 5231, and two connecting portions are punched out on one connecting terminal; finally, the magnetic coil 522 is assembled into the receiving cavity 5211, and the connecting terminal 523 is fixed to the insulator 521 and the magnetic coil 522 is The wire end is electrically connected to the connecting portion 5231 of the connecting terminal 523, and the connecting terminals having the two connecting portions are respectively connected to the two wire ends. This can avoid adding more connection terminals, which is conducive to saving production costs.

The sub-board 53 is disposed in a vertical direction perpendicular to a horizontal plane. The sub-board 53 is provided with two rows of soldering holes extending in the longitudinal direction, which are a first soldering hole 531 and a second soldering hole 532, respectively. The soldering portion 5113 of the conductive terminal 511 is soldered to the first soldering hole 531 from the front to the rear, and the soldering leg 5232 of the connecting terminal 523 is soldered to the second soldering hole 532 from the back to the front, that is, the mating terminal group 51 and the magnetic module 52 are located on the sub-circuit board. The opposite sides of 53.

In summary, the creation meets the requirements of the invention patent, and the patent application is filed according to law. However, the foregoing 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

1. . . Connector body

2. . . Insulating body

twenty one. . . Front end face

twenty two. . . Side surface

221. . . Concave

222. . . Channel

twenty three. . . Rear end face

twenty four. . . Containing space

3. . . Indicator light

31. . . Lamp

32. . . Pin

4. . . Shaded housing

41. . . Side wall

411. . . shrapnel

42. . . Upper wall

421. . . Through hole

5. . . Terminal module

51. . . Docking terminal set

511. . . Conductive terminal

5111. . . Holding unit

5112. . . Contact

5113. . . Welding department

512. . . Seat

52. . . Magnetic module

521. . . Insulator

5211. . . Accommodating chamber

5212. . . Front wall

5213. . . Back wall

5214. . . Terminal slot

522. . . Magnetic coil

523. . . Connection terminal

5231. . . Connection

5231 ‘. . . Connection

5232. . . Soldering feet

5233. . . Holder

524. . . Transfer terminal

53. . . Sub board

531. . . First soldering hole

532. . . Second welding hole

6. . . Rear housing

61. . . Base

611. . . Card holder

62. . . Wing

621. . . Opening

The first figure is a three-dimensional assembly diagram of the present electrical connector;

The second figure is a three-dimensional exploded view of the present electrical connector;

The third figure is a three-dimensional exploded view of another angle of the present electrical connector;

The fourth figure is a three-dimensional exploded view of the terminal module of the present electrical connector;

The fifth figure is a perspective exploded view of another angle of the terminal module of the present invention.

51. . . Docking terminal set

511. . . Conductive terminal

5111. . . Holding unit

5112. . . Contact

5113. . . Welding department

512. . . Seat

52. . . Magnetic module

521. . . Insulator

5211. . . Accommodating chamber

5212. . . Front wall

5213. . . Back wall

5214. . . Terminal slot

522. . . Magnetic coil

523. . . Connection terminal

5231. . . Connection

5231 ‘. . . Connection

5232. . . Soldering feet

5233. . . Holder

524. . . Transfer terminal

53. . . Sub board

531. . . First soldering hole

532. . . Second welding hole

Claims (10)

A method of manufacturing a magnetic module includes the following steps:
(1) providing an insulator having a receiving cavity;
(2) providing a plurality of magnetic coils having a wire end;
(3) providing a strip with a positioning hole, pressing the strip after the strip is fixed, and the plurality of connecting terminals are integrally stamped and formed, each connecting terminal is provided with a connecting portion, and one connecting terminal is punched out with two connecting portions;
(4) fixing the magnetic coil in the accommodating cavity, holding the connecting terminal in the insulator and electrically connecting the connecting portion of each connecting terminal to the wire end of the magnetic coil, and the connecting terminals having the two connecting portions are respectively connected to the two wire ends . The method of manufacturing a magnetic module according to the first aspect of the invention, wherein one of the two connecting portions is offset from the other connecting portion in a front-rear direction. An electrical connector comprising:
The magnetic module is provided with an insulator, a plurality of magnetic coils accommodated in the insulator, and a plurality of connection terminals connected to the magnetic coil, each of the magnetic coils having a wire end, each of the connection terminals having a connection portion electrically connected to the wire end;
Wherein, one connecting terminal is provided with two connecting portions respectively connected to the two wire ends. The electrical connector of claim 3, wherein one of the two connecting portions is offset from the other connecting portion in a mating direction. The electrical connector of claim 4, wherein the plurality of connection terminals are arranged in a row in the longitudinal direction, and the connection terminals having the two connection portions are located at the outermost side of the connection terminal block. The electrical connector of claim 3, wherein the insulator comprises a receiving cavity for receiving the magnetic coil, a front wall on one side of the receiving cavity, and a rear wall on the other side of the receiving cavity, the front wall There is a plurality of terminal slots, the connection terminals are received in the terminal slots, and the rear wall is provided with a plurality of adapter terminals connected to the magnetic coils. The electrical connector of any one of the preceding claims, wherein the electrical connector further comprises a pair of terminal sets and a sub-circuit board, and the docking terminal set and the magnetic module are located in the sub-circuit The opposite sides of the board. The electrical connector of claim 7, wherein the sub-circuit board is disposed in a vertical direction perpendicular to the mating direction and is provided with two rows of welding holes, respectively a first welding hole and a second welding hole. The electrical connector of claim 8, wherein the docking terminal group comprises a plurality of docking terminals, each docking terminal is provided with a horizontally extending holding portion, and one end of the self-holding portion is inclined obliquely upwards and backwards The contact portion and the welded portion at the other end of the holding portion, and the welded portion is welded to the first welded hole. The electrical connector of claim 8, wherein the connecting terminal is provided with a soldering leg, and the soldering leg is soldered to the second soldering hole.