CN104348051B - Micro coaxial cable connector assembly - Google Patents

Abstract

A cable connector assembly, which includes a connector and a cable connected to one end of the connector, the connector includes a printed circuit board, a connector mounted on the front end of the printed circuit board, and the printed circuit board has an opposite front end and the rear end, the cable includes several wires electrically connected to the rear end of the printed circuit board, the wires include a pair of power wires for transmitting power signals, the power wires include conductive core wires, and are coated on the conductive core The insulating layer outside the wire and the shell layer covering the insulating layer, the diameter of the conductive core wire of the power cord is larger than 0.511mm.

Description

Cable Connector Assembly

【Technical field】

The invention relates to a cable connector assembly, in particular to a Thunderbolt (lightning interface) cable connector assembly.

【Background technique】

For the prior art related to the present invention, please refer to the Chinese patent No. CN202434815 published on September 12, 2012, which discloses a cable connector assembly, which includes a connector and a A cable connected at one end, the connector is provided with a printed circuit board and a connector installed on the front end of the printed circuit board, the cable is provided with a number of wires electrically connected to the printed circuit board, and the wires include a pair of transmission Power cord for power signal. In this design, since the active cable itself is thin and has a high voltage drop, it is difficult to provide a larger voltage to the external device connected to it, thus affecting the user's use effect.

In view of the above problems, it is necessary to provide an improved cable connector assembly.

【Content of invention】

The main purpose of the present invention is to provide a cable connector assembly capable of increasing voltage and reducing voltage drop.

In order to solve the above technical problems, the present invention adopts the following technical solution: a cable connector assembly, which includes a connector and a cable connected to one end of the connector, the connector includes a printed circuit board, and is installed on the front end of the printed circuit board The connector, the printed circuit board has opposite front and rear ends, the cable includes a number of wires electrically connected to the rear end of the printed circuit board, the wires include a pair of power lines for transmitting power signals, the The power cord includes a conductive core wire, an insulating layer covering the conductive core wire, and a shell layer covering the insulating layer, and the diameter of the conductive core wire of the power cord is larger than 0.511mm.

Concrete implementation structure of the present invention is as follows:

The pair of power lines are electrically connected to the same surface of the printed circuit board.

The plurality of wires include first wires and second wires arranged in upper and lower rows, the aforementioned pair of power wires are distributed on the first wires, and the first and second wires and the printed circuit board are welded to form an electrical sexual connection.

The pair of power lines are spaced apart from the two outer sides of the first wire.

The first wire also includes a low-speed signal wire and a ground signal wire.

The printed circuit board is provided with opposite front and back sides and a plurality of conductive sheets arranged at the rear end of the printed circuit board and used for electrical connection with the wires, and the above-mentioned conductive sheets are distributed on the two opposite front and back sides of the printed circuit board. piece.

The plurality of conductive sheets include a plurality of first conductive sheets located at the rear end of the printed circuit board and welded with the first wires and a plurality of second conductive sheets located at the rear end of the printed circuit board and welded with the second wires, the first conductive sheets respectively arranged laterally on the front surface of the printed circuit board, and the second conductive sheets are respectively arranged laterally on the reverse surface of the printed circuit board.

The first conductive sheet includes a power line welding pad welded to the aforementioned power line, a low-speed line welding pad welded to the low-speed signal line, and a grounding line located between the low-speed line welding pad and the power line welding pad and welded to the grounding signal line Welding pads, the lengths of the low-speed line welding pads and the grounding line welding pads are both shorter than the length of the power line welding pads.

The cable connector assembly also includes a cable management block assembled at the front end of the cable. The cable management block includes an upper cable management block and a lower cable management block assembled with the upper cable management block. The upper and lower cable management blocks The first wire can be separated from the second wire.

The connector includes an insulating body and a plurality of conductive terminals accommodated in the insulating body, and the front end of the printed circuit board is provided with a plurality of welding pieces welded with the conductive terminals.

Compared with the prior art, the cable connector assembly of the present invention reduces the voltage drop by thickening the conductive core wire of the power cord and provides a greater voltage to the external device. When the cable connector assembly is matched with the external device , due to the function of the power management chip, it can provide greater electric power to meet the needs of more consumers.

【Description of drawings】

Figure 1 is a perspective view of a cable connector assembly according to the present invention.

FIG. 2 is a partially exploded view of the cable connector assembly shown in FIG. 1 .

FIG. 3 is an exploded view from another angle of the cable connector assembly shown in FIG. 1 .

FIG. 4 is a further exploded view of the cable connector assembly shown in FIG. 1 .

5 is a top view of the front side of a printed circuit board of a cable connector assembly according to the present invention.

6 is a top view of the reverse side of the printed circuit board of the cable connector assembly according to the present invention.

Fig. 7 is a front view of some components of the cable connector assembly shown in Fig. 1 .

【detailed description】

As shown in Figures 1 to 7, it is a cable connector assembly 100 according to the present invention. This cable connector assembly 100 is a Thunderbolt (lightning) interface, which includes a connector 1 and is connected to one end of the connector 1. The cable 2, the connector 1 includes a printed circuit board 3, a connector 4 mounted on the front end of the printed circuit board 3, a metal shell 5 covering the connector 4 and the printed circuit board 3, and a metal shell 5 covering the The insulating shell 6.

The connector 4 is used to connect with a mating connector (not shown), and includes an insulating body 40 and a plurality of conductive terminals 42 accommodated in the insulating body 40 . The printed circuit board 3 has a front end 31 and a rear end 32 opposite to each other. The front end 31 of the printed circuit board 3 is provided with a plurality of soldering tabs 30 soldered to the conductive terminals 42 .

The insulating body 40 includes a base 401 and a pair of upper and lower tongues 402, 403 extending forward from the base 401 and parallel up and down, and an accommodating space 404 between the upper and lower tongues 402, 403 to accommodate a butt connection device (not shown). The conductive terminals 42 are disposed in the upper and lower tongue plates 402 , 403 for electrical connection with the mating connector. The conductive terminals 42 are arranged in two rows up and down.

The cable 2 is provided with a plurality of wires 21 electrically connected to the rear end of the printed circuit board 3 , and the plurality of wires 21 include a first wire 23 on the upper row and a second wire 25 on the lower row. The first and second wires 23, 25 are electrically connected to the printed circuit board 3 by soldering. The first wire 23 includes a pair of power lines 231 for transmitting power signals, a pair of low-speed signal lines 232 and a pair of ground signal lines 233 arranged between the pair of power lines 231, and the ground signal lines 233 are arranged on In the middle of the first wire 23 , the low-speed signal line 232 is distributed on both sides of the ground signal line 233 . The power cord 231 includes a conductive core wire 2311, an insulating layer 2312 covering the conductive core wire 2311, and an outer shell layer 2313 covering the insulating layer 2312. Those skilled in the art should know that the industry stipulates that the power cord 231 The diameter standard of the conductive core wire 2311 is in the range of 24AWG-28AWG (ie 0.32mm-0.511mm). However, in the connector 1 with high-frequency performance, the cable 2 itself is thin and has a high voltage drop. It is difficult to provide a larger voltage to the external device (not shown) connected to it, which will inevitably affect the user's use effect. Properly increasing the diameter of the conductive core wire 2311 of the power cord 231 can increase the voltage and reduce the voltage drop. When the cable connector assembly 100 cooperates with external equipment, due to the function of the power management chip, it can provide greater electric power. So as to meet the requirements of consumers. In this design, the diameters of the conductive core wires 2311 of the pair of power wires 231 are both greater than 0.511 mm. The pair of power wires 231 are electrically connected to the same surface of the printed circuit board 3 and disposed on two outer sides of the first wire 23 . The second wire 25 includes several differential signal lines 251 for transmitting high-speed signals.

The printed circuit board 3 includes opposite positive and negative sides 33, 34 and a plurality of conductive sheets 35 arranged at the rear end 32 of the printed circuit board 3 and used for electrically connecting with the cable 2. The above-mentioned conductive sheets 35 are distributed on the front and back sides 33 and 34 . The plurality of conductive strips 35 include some first conductive strips 351 positioned at the rear end 32 of the printed circuit board 3 and welded with the first wire 23, and some second conductive strips 351 positioned at the rear end 32 of the circuit board 3 and welded with the second wire 25. conductive sheet 352 . The first conductive sheets 351 are respectively arranged laterally on the front surface 33 of the printed circuit board 3 , and the second conductive sheets 352 are respectively arranged laterally on the reverse surface 34 of the printed circuit board. The first conductive sheet 351 includes a power line welding pad 3511 welded to the aforementioned power line 231, a low-speed line welding pad 3512 welded to the low-speed signal line 232, and is located between the low-speed line welding pad 3512 and the power line welding pad 3511, and The ground wire pad 3513 soldered to the ground signal wire 233 , the lengths of the low-speed wire pad 3512 and the ground wire pad 3513 are both shorter than the length of the power wire pad 3511 . The second conductive strip 352 includes several signal strips 3521 soldered to the differential signal lines 251 and a T-shaped ground strip 3522 located at the rear end of the signal strips 3521 .

The metal shell 5 is formed by metal stamping, and includes a first shielding portion 51 and a second shielding portion 52 assembled along the vertical direction. The second shielding portion 52 is roughly U-shaped, and includes a top surface 521 and two side surfaces 522 connected to the top surface 521. The top surface 521 is provided with an inwardly formed groove 5211, and the two sides 522 are provided with opposite The locking hole 5221 and the elastic arm 5222 have a T-shaped extension 5223 at the rear end thereof.

The first shielding portion 51 includes a packaging portion 511 , a U-shaped cover portion 512 and a cable holding portion 513 connected to the cover portion 512 . The cover portion 512 extends backward from the end of the package portion 511 to accommodate the printed circuit board 3 . The cover portion 512 includes a top wall 5121 and two side walls 5122 connected to the top wall 5121 . The top wall 5121 is provided with a groove 5123 that is recessed toward the inside of the cover body 512, and the two side walls 5122 are respectively provided with a plurality of protruding pieces 5124 that protrude outward. The piece 5124 is buckled in the locking hole 5221 to make the first shielding part 51 and the second shielding part 52 fixedly connected. The elastic arm 5222 of the second shielding portion 52 abuts against the inside of the first shielding portion 51 , further making the first shielding portion 51 and the second shielding portion 52 more firmly combined. The cable holding portion 513 holds the cable 2 and covers the extension portion 5223 of the second shielding portion 52 . The cable holding portion 513 cooperates with the extension portion 5223 to hold the cable 2 in the metal casing 5 .

The insulating shell 6 covers the rear end of the metal shell 5 and the front end of the cable 2 . The insulating shell 6 includes an upper shell 61 and a lower shell 62 that cooperate with each other. The lower case 62 is provided with bosses 621 at the four corners and bosses 622 inside the lower case 62 , and the upper case 61 is provided with bosses 612 inside and the bosses 621 of the lower case 62 The holes 611 are correspondingly matched to position and hold the assembly of the upper shell 61 and the lower shell 62 . The bosses 612, 622 are respectively accommodated in the grooves 5123, 5211 provided on the first shielding part 51 and the second shielding part 52, and the two cooperate to make the upper shell 61 fixed on the first shielding part 51, and the lower shell 62 It is fixed to the second shielding part 52 .

The cable connector assembly 100 also includes a sleeve 7 sleeved on the cable 2 and a cable management block 8 assembled at the front end of the cable 2, and the cable management block 8 has an upper cable management block 81 and an upper management block 81. The lower wire block 82 assembled with the wire block 81. The upper and lower wire management blocks 81 , 82 can separate the first wire 23 from the second wire 25 .

The above is only one embodiment of the present invention, not all or the only embodiment. Any equivalent change to the technical solution of the present invention adopted by those of ordinary skill in the art by reading the description of the present invention is the right of the present invention covered by the requirements.

Claims (9)

1. a kind of micro coaxial cable connector assembly, it includes connector and the cable being connected with connector one end, and the connector includes Printed circuit board (PCB), the connector for being installed on printed circuit front edge of board, the printed circuit board (PCB) have relative front end and rear end, institute Stating cable includes some wires being electrically connected with the rear end of printed circuit board (PCB), and the grade wire includes transmitting power supply signal a pair Power line, the power line includes conductive core line, the insulating barrier being coated on outside conductive core line and the shell being coated on outside insulating barrier Layer, the cable includes the differential signal line of some transmission high speed signals, it is characterised in that：The conductive core line of the power line With diameter greater than 0.511mm, the pair of power line is electrically connected on the same face of printed circuit board (PCB), and some transmission are at a high speed The differential signal line of signal is connected on the opposite another side of printed circuit board (PCB).

2. micro coaxial cable connector assembly as claimed in claim 1, it is characterised in that：Some wires include the positioned at upper row One wire and the second wire positioned at lower row, first wire include foregoing a pair of power lines, and second wire includes preceding Differential signal line is stated, first, second wire is electrically connected with printed circuit board (PCB) by welding.

3. micro coaxial cable connector assembly as claimed in claim 2, it is characterised in that：The pair of power line is arranged on the first wire Two outside.

4. micro coaxial cable connector assembly as claimed in claim 2, it is characterised in that：First wire also includes low speed signal line And ground signal line.

5. micro coaxial cable connector assembly as claimed in claim 2, it is characterised in that：The printed circuit board (PCB) be provided with it is relative just, Anti- two sides and some conducting strips located at printed circuit board (PCB) rear end and for being electrically connected with wire, the printed circuit board (PCB) two-phase To positive and negative on be distributed with above-mentioned conducting strip.

6. micro coaxial cable connector assembly as claimed in claim 5, it is characterised in that：Some conducting strips include being located at printing electricity Road plate rear end and some first conducting strips welded with the first wire, and welded positioned at printed circuit board (PCB) rear end and with the second wire Some second conducting strips, first conducting strip is transversely arranged on the front of printed circuit board (PCB) respectively, and described second leads Electric piece is transversely arranged on the reverse side of printed circuit board (PCB) respectively.

7. micro coaxial cable connector assembly as claimed in claim 6, it is characterised in that：First conducting strip includes and aforementioned power source The power line welded gasket of wire bonding and the low speed wire bonding connection pad of low speed signal wire bonding and positioned at low speed wire bonding connection pad and power line Between welded gasket, and with the ground wire welded gasket of ground signalling wire bonding, the low speed wire bonding connection pad and ground wire welded gasket Length is respectively less than the length of power line welded gasket.

8. micro coaxial cable connector assembly as claimed in claim 2, it is characterised in that：The micro coaxial cable connector assembly also includes assembling In the reason line block of cable front end, the reason line block includes upper reason line block and holds reason line block with upper reason line block group, described upper and lower Reason line block can separate the first wire with the second wire.

9. micro coaxial cable connector assembly as claimed in claim 1, it is characterised in that：The connector includes insulating body, houses In some conducting terminals in insulating body, the printed circuit front edge of board is provided with some welding pieces with conducting terminal welding.