Plug connector assembly and manufacturing method of the same
A plug connector assembly includes a housing, a printed circuit board, a cable, and a wire management block, the printed circuit board including first conductive pads and second conductive pads, the cable including plural first core wires and second core wires, the first core wire including a first inner conductor and a shielding layer, the second core wire including a second inner conductor, wherein the wire management block is provided with a plurality of clamping slots, the second core wire is clamped in the clamping slot and exposes the second inner conductor to the front side of the wire management block, the first inner conductors are arranged in a row and soldered to the first conductive pads at one time, the second inner conductors and the shielding layers are arranged in a row and soldered to the second conductive pads of the printed circuit board at one time.
1. A plug connector assembly comprising:
a plug;
a printed circuit board connected with the plug, the printed circuit board including a plurality of first conductive pads laterally arranged in a row and one or more second conductive pads extending laterally on a rear side of the first conductive pads;
a wire management block having a plurality of first fixing holes; and
a cable electrically connected with the printed circuit board, the cable including a plurality of first core wires and a plurality of second core wires, the first core wire including a first inner conductor and a shielding layer covering the first inner conductor, the second core wire including a second inner conductor, the first core wire being mounted to the plurality of first fixing holes of the wire management block while exposing the first inner conductor and the shielding layer to a front side of the wire management block, wherein
the wire management block is provided with a plurality of clamping slots, the clamping slots running through the wire management block in a front-to-back direction, each clamping slot has an opening for placing a corresponding second core wire therein along a direction substantially perpendicular to the front-to-back direction, the second core wire is clamped in the clamping slot and exposes the second inner conductor to the front side of the wire management block, the first inner conductors of the first core wires are arranged in a row and soldered to the first conductive pads of the printed circuit board at one time, the second inner conductors of the second core wires and the shielding layers of the first core wires are arranged in a row and soldered to the one or more second conductive pads of the printed circuit board at one time.
2. The plug connector assembly as claimed in claim 1 , wherein the clamping slots are disposed at a lateral outer side of the first fixing holes.
3. The plug connector assembly as claimed in claim 1 , wherein a radius of a cross section of the second core wire is greater than a radius of a cross section of the first core wire.
4. The plug connector assembly as claimed in claim 3 , wherein a lateral span of the one or more second conductive pads is greater than a lateral span of the plurality of first conductive pads.
5. The plug connector assembly as claimed in claim 4 , wherein the second inner conductors of the second core wires and the shielding layers of the first core wires are connected to each other by a tin strip.
6. The plug connector assembly as claimed in claim 1 , wherein the wire management block includes a first portion and a second portion engaged to the first portion.
7. The plug connector assembly as claimed in claim 6 , wherein the clamping slot exposes upward through an upper side of the first portion.
8. The plug connector assembly as claimed in claim 7 , wherein the first portion and the second portion are combined to form a stepped positioning portion for receiving a rear end of the printed circuit board.
9. A method of manufacturing a plug connector assembly, comprising the steps of:
processing first core wires to expose respective inner conductors and shielding layers thereof;
fixing the first core wire to a wire management block and positioning the exposed shielding layer and the inner conductor on a front side of the wire management block;
processing a second core wire to expose an inner conductor thereof;
engaging the second core wire into a fixing hole of the wire management block and arranging the inner conductor of the second core wire beside the shielding layers of the first core wires;
soldering the inner conductors of the first core wires to corresponding first conductive pads of a printed circuit board at a first stage; and
soldering the inner conductor of the second core wire and the shield layers to corresponding second conductive pads of the printed circuit board at a second stage after the first stage; wherein
the fixing hole is essentially an open type clamping slot to communicate with an exterior in a vertical direction so that the second core wire is retained in the fixing hole only after the first stage and before the second stage for not only not hindering soldering the inner conductor of the first core wires to the first conductive pads during the first stage but also stably holding the second core wire in position during the second stage.
10. A plug connector assembly comprising:
a housing;
a printed circuit board received in the housing, the printed circuit board including first conductive pads laterally arranged in a row in a transverse direction, and one or more second conductive pads arranged in another row in the transverse direction, and located behind the first conductive pads in a front-to-back direction perpendicular to the transverse direction;
a wire management block; and
a cable electrically connected with the printed circuit board, the cable including a plurality of first core wires and a plurality of second core wires, each of said first core wires including a first inner conductor and a shielding layer surrounding the first inner conductor, each of the second core wires including a second inner conductor, each of the first core wires being mounted to the wire management block while exposing the first inner conductor and the shielding layer at a front side of the wire management block, wherein
the wire management block is provided with a plurality of clamping slots, the clamping slots run through the wire management block along the front-to-back direction, each of the second core wires is clamped in the corresponding clamping slot and exposes the second inner conductor at the front side of the wire management block, the first inner conductors of the first core wires are arranged in a row and soldered to the first conductive pads of the printed circuit board via a first soldering strip, and the second inner conductors of the second core wires and the shielding layers of the first core wires are arranged in another row and soldered to the one or more second conductive pads of the printed circuit board via a second soldering strip.
11. The plug connector assembly as claimed in claim 10 , wherein each of the clamping slots communicates with an exterior in a direction perpendicular to the front-to-back direction so as to allow the corresponding second core wire to be assembled thereinto in said direction.
12. The plug connector assembly as claimed in claim 11 , wherein each of said second core wires is diametrically larger than each of said first core wires.
13. The plug connector assembly as claimed in claim 12 , wherein said wire management block includes a plurality of fixing holes communicating with the exterior along the front-to-back direction only to receive the corresponding first core wires, respectively.
14. The plug connector assembly as claimed in claim 13 , wherein said clamping slots are located by two opposite sides of the fixing holes in the transverse direction.
15. The plug connector assembly as claimed in claim 11 , wherein said direction is a vertical direction perpendicular to both the front-to-back direction and said transverse direction.
16. The plug connector assembly as claimed in claim 10 , wherein the second soldering strip is longer than the first soldering strip in the transverse direction.