CN109755840B - Assembling method of plug connector assembly - Google Patents
Assembling method of plug connector assembly Download PDFInfo
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- CN109755840B CN109755840B CN201711089482.2A CN201711089482A CN109755840B CN 109755840 B CN109755840 B CN 109755840B CN 201711089482 A CN201711089482 A CN 201711089482A CN 109755840 B CN109755840 B CN 109755840B
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Abstract
The invention discloses an assembling method of a plug connector assembly, which comprises the following steps of providing a circuit board, wherein a first row of conducting strips and a second row of conducting strips are arranged on one side surface of the circuit board; providing a cable, wherein the cable comprises a plurality of core wires, the core wires are exposed at one end of the cable, the core wires are processed into a first group of core wires and a second group of core wires extending forwards to exceed the first group of core wires, and the first group of core wires are welded with the corresponding first row of conducting strips; and providing a first insulating piece, wherein after a first group of core wires are welded with the corresponding first row of conducting strips, the first insulating piece is arranged in the welding area of the first group of core wires and the first row of conducting strips, and a second group of core wires cross over the first insulating piece from the upper side and then are welded with the corresponding second row of conducting strips. The assembling method of the invention comprises the step of arranging the first insulating part, thereby preventing the situation that unexpected short circuit is possibly generated when the cables of the high-density plug connector assembly are welded with the circuit board.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a method for assembling a plug connector assembly, and more particularly, to a method for assembling a high-density plug connector assembly for transmitting high-speed signals.
[ background of the invention ]
U.S. patent No. US8840432 issued on 9/23 2014 discloses a plug connector assembly. The plug connector assembly comprises a circuit board, a plurality of core wires electrically connected with the circuit board and shielding shells arranged outside the core wires and electrically connected with the circuit board, each core wire is provided with a central wire, an insulating layer arranged outside the central wire and a shielding layer arranged outside the insulating layer, and the inner side of each shielding shell is connected with the shielding layer of the corresponding core wire. The existing shielding shells are installed on the circuit board through the matching of the installation pins and the holes in the circuit board and are electrically connected with the grounding layer of the circuit board, but the installation is difficult to ensure the electrical connection between the shielding shells and the shielding layers of the corresponding core wires, and the short circuit is easy to occur with the central lead.
Accordingly, there is a need for an improved plug connector assembly that overcomes the deficiencies of the prior art.
[ summary of the invention ]
The present invention is directed to a method for assembling a plug connector assembly, which can improve the reliability of electrical connection between a high-density plug connector assembly cable and a circuit board.
In order to solve the technical problems, the invention can adopt the following technical scheme: a method for assembling a plug connector assembly comprises the following steps of providing a circuit board, wherein a first row of conducting strips and a second row of conducting strips are arranged on one side face of the circuit board, and the second row of conducting strips are arranged on the front side of the same face of the first row of conducting strips; providing a cable, wherein the cable comprises a plurality of core wires, the core wires are exposed at one end of the cable, the core wires are processed into a first group of core wires, a second group of core wires which extend forwards beyond the first group of core wires are processed, and the first group of core wires are welded with the corresponding first row of conducting strips; and a first insulating piece is further provided, after the first group of core wires are welded with the corresponding first row of conducting strips, the first insulating piece is arranged in the welding area of the first group of core wires and the first row of conducting strips, and the second group of core wires cross over the first insulating piece from the upper side and then are welded with the corresponding second row of conducting strips.
The specific implementation structure is as follows:
the first row of conducting strips comprises a plurality of pairs of first signal conducting strips and a first grounding conducting strip arranged between the first signal conducting strips, the second row of conducting strips comprises a plurality of pairs of second signal conducting strips and a second grounding conducting strip arranged between the second signal conducting strips, the first conducting strips are welded with the first grounding conducting strips, and the second conducting strips are welded with the second grounding conducting strips.
And the first conductive piece and the second conductive piece are welded at corresponding positions before the first group of core wires are welded with the first row of conductive pieces.
Each core wire comprises a pair of central conductors, an insulating layer and a grounding wire, the insulating layer coats the pair of central conductors, the first group of core wires penetrates through the lower surface of the first conductive piece, the central conductors are welded with the first signal conductive pieces, the first conductive piece is provided with a notch, and the grounding wire of the first group of core wires is accommodated in the notch and welded with the first conductive piece.
The second group of core wires pass through the first conductive piece from the upper surface of the first conductive piece and then pass through the lower surface of the second conductive piece, then the central conductor is welded with the second signal conductive piece, the second conductive piece is provided with a gap, and the grounding wire of the second group of core wires is accommodated in the gap and is welded with the second conductive piece.
The grounding wire of each core wire is processed to be shorter than the corresponding center conductor.
The circuit board is equipped with the third on the another side opposite with a side and arranges the conducting strip and set up the fourth row conducting strip at the front side of the conducting strip one-sided is arranged to the third, the heart yearn further includes third group heart yearn, and extends the fourth group heart yearn that surpasss the heart yearn of third group forward, third group heart yearn and first group heart yearn, fourth group heart yearn and second group heart yearn parallel and level, the conducting strip welding is arranged with the third to third group heart yearn, fourth group heart yearn and fourth row conducting strip welding, third group heart yearn welds simultaneously with first group heart yearn, second group heart yearn welds simultaneously with fourth group heart yearn.
The cable comprises two independent cables, and the front ends of the two cables are combined into one strand.
And the conductive cloth is wrapped at the position where the two cables are combined into one strand, and a tight electromagnetic seal is formed between the conductive cloth and the conductive outer shell.
Further provided is a fixing member fixed at a position where the two cables merge into one strand, the fixing member being fixed with the conductive outer case by a snap.
Compared with the prior art, the invention has the advantages that: the assembling method of the plug connector assembly further comprises the step of providing a first insulating part, wherein the first insulating part is arranged in the welding area of the first group of core wires and the first row of conducting strips after the first group of core wires are welded with the corresponding first row of conducting strips, and the second group of core wires cross over the first insulating part from the upper side and then are welded with the corresponding second row of conducting strips, so that the situation that accidental short circuit can be generated when cables of the high-density plug connector assembly are welded with a circuit board can be prevented.
[ description of the drawings ]
Fig. 1 is a perspective view of a plug connector assembly consistent with the present invention.
Figure 2 is an exploded view of the plug connector assembly shown in figure 1.
Figure 3 is an exploded view of the plug connector assembly shown in figure 2 from another perspective.
Figure 4 is a perspective view of the plug connector assembly shown in figure 1 with the outer housing removed.
Figure 5 is a top view of the plug connector assembly shown in figure 4 with the outer housing removed.
Figure 6 is a bottom view of the plug connector assembly shown in figure 4, except for the outer housing.
Figure 7 is a further exploded view of the plug connector assembly shown in figure 4 with the outer housing removed.
Figure 8 is another further exploded view of the plug connector assembly shown in figure 4 with the outer housing removed.
Figure 9 is a further exploded view of the plug connector assembly shown in figure 5 with the outer housing removed.
Figure 10 is a further exploded view of the plug connector assembly shown in figure 9 with the outer housing removed.
Fig. 11 is a sectional view taken along a-a in fig. 1.
[ detailed description ] embodiments
As shown in fig. 1 to 11, the plug connector assembly 100 of the present invention includes a plug connector 1, a cable 2 connected to the plug connector 1, a ferrule 4 provided on the cable 2, and a fixing member 5 provided on the ferrule 4. The plug connector 1 includes a conductive outer housing 3 and a circuit board 11 housed in the outer housing 3. The plug connector assembly 100 of the present embodiment conforms to the QSFP-DD specification, which defines 8 transmit lanes and 8 receive lanes, and the signal transmission rate of each lane is above 28 Gbps. Of course, the present invention may also be applied to high speed plug connector assemblies being developed such as SFP-DD or other unformulated high speed plug connector assemblies of the same or different channel numbers or transmitting higher rates.
The circuit board 11 includes a mating terminal 110 capable of mating with a mating connector, and a connecting terminal 111 opposite to the mating terminal 110 and electrically connected to the cable 2. The circuit board 11 includes a first surface 112 and a second surface 113 opposite to the first surface 112. The connection end 111 of the circuit board 11 is provided with a first row of conductive sheets 12 and a second row of conductive sheets 13 arranged in front of the first row of conductive sheets 12 on the first surface 112. The connecting end 111 of the circuit board 11 is provided with a third row of conductive sheets 14 and a fourth row of conductive sheets 15 arranged in front of the third row of conductive sheets 14 on the second surface 113. The first row of conductive pads 12 includes a plurality of pairs of first signal conductive pads 120 and a first ground conductive pad 121 disposed between the first signal conductive pads 120. The width of the first ground conductive strip 121 is greater than or equal to the width of the first signal conductive strip 120. Specifically, in this embodiment, the widths of the first grounding conductive strips 121 located at the two outer sides are greater than or equal to the width of the first signal conductive strip 120, and the width of the grounding conductive strip 121 located in the middle is greater than the width of the first signal conductive strip 120. The second row of conductive plates 13 includes a plurality of pairs of second signal conductive plates 130 and a second grounding conductive plate 131 disposed between the second signal conductive plates 130. The second row conductive plate 13 is arranged in the same manner as the first row conductive plate 12, but the second grounding conductive plate 131 and the second signal conductive plate 130 are arranged in a staggered manner in the transverse direction with respect to the corresponding first grounding conductive plate 121 and the corresponding first signal conductive plate 120. The third row of conductive sheets 14 and the fourth row of conductive sheets 15 are similar to the first row of conductive sheets 12 and the second row of conductive sheets 13, and are not described herein again.
The cables 2 include a pair, and the pair of cables 2 are converged into one strand at one end to be electrically connected to the circuit board. The cable 2 comprises a plurality of cords 21, the cords 21 being divided into a first set of cords 211, a second set of cords 212 extending beyond the first set of cords 211, a third set of cords 213 being flush with the first set of cords 211, and a fourth set of cords 214 extending beyond the third set of cords 213 and flush with the second set of cords 212. Each of the core wires 21 includes a pair of center conductors 22, an insulating layer 23 covering the pair of center conductors 22, and a ground wire 24, and the ground wire 24 of each of the core wires 21 is processed to be shorter than the corresponding center conductor 22. The first group of core wires 211 is welded with the first row of conducting strips 12, the second group of core wires 212 is welded with the second row of conducting strips 13, the third group of core wires 213 is welded with the third row of conducting strips 14, and the fourth group of core wires 214 is welded with the fourth row of conducting strips 15.
The plug connector assembly 100 further includes a first insulator 61 that insulates and isolates the bonding regions of the second set of conductors 212 from the first set of conductors 211, and a second insulator 62 that insulates and isolates the bonding regions of the fourth set of conductors 214 from the third set of conductors 213. The first insulating member 61 and the second insulating member 62 have the same shape and structure, are both elongated, and each includes a covering portion 601 and a recessed portion 602 alternately arranged with the covering portion 601. The covering portion 601 of the first insulating member 61 covers a welding region where the first group core wire 211 is welded to the first row conductive sheet 12, and the recessed portion 602 allows the second group core wire 212 to be welded to the second row conductive sheet 13 by extending to the front. Similarly, the covering portion 601 of the second insulating member 62 covers the welding region where the third group of core wires 213 are welded to the third row of conductive tabs 14, and the recessed portion 602 allows the fourth group of core wires 214 to be welded to the fourth row of conductive tabs 15 by extending forward.
The plug connector assembly 100 further includes a first conductor 71, a second conductor 72, a third conductor 73, and a fourth conductor 74. The first conductive members 71 are disposed on the corresponding first group of cores 211 and electrically connected to the first grounding conductive strips 121, and the grounding wires 24 of the first group of cores 211 are electrically connected to the first conductive members 71. The second conductive members 72 are disposed on the corresponding second groups of cores 212 and electrically connected to the second grounding conductive sheets 131, and the grounding wires 24 of the second groups of cores 212 are electrically connected to the second conductive members 72. The third conductive member 73 is connected to the third group of core wires 213 similarly to the first conductive member 71 connected to the first group of core wires 211, and the fourth conductive member 74 is connected to the fourth group of core wires 214 similarly to the second conductive member 72 connected to the fourth group of core wires 214. The first conductive member 71, the second conductive member 72, the third conductive member 73, and the fourth conductive member 74 are all of a one-piece structure, and each of the first conductive member 71, the second conductive member 73, the third conductive member 73, and the fourth conductive member 74 includes a protruding portion 701 and a recessed portion 702 alternately arranged with the protruding portion 701, the protruding portion of the first conductive member 71 covers the corresponding first group of core wires 21, the recessed portion 702 is welded to the corresponding first grounding conductive sheet 121, the second core wire 122 extends to the front through the recessed portion 702 on the first conductive member 71 to be welded to the corresponding second signal conductive sheet 130, the protruding portion of the second conductive member 72 covers the corresponding second group of core wires 21, the recessed portion 702 is welded to the corresponding second grounding conductive sheet 131, and the third conductive member 73, the fourth conductive member 74, the first conductive member 71, and the second conductive member 72 are arranged in the same manner. The first, second, third and fourth conductive members 71, 72, 73 and 74 are provided with notches 703 for receiving the corresponding ground wires 24.
The fixing piece 5 is sleeved at a position where the pair of cables 2 converge into one strand, and is fixed with the cables 2 through gluing or other manners, the fixing piece is provided with a groove 51, and the groove 51 is fixed with the outer shell 3 in a buckling manner to fix the cables on the outer shell 3.
Further comprises a conductive cloth wrapped at the position where the two cables 2 are combined into one strand, and a tight electromagnetic seal is formed between the conductive cloth and the conductive outer shell 3.
The method of assembling the plug connector assembly 100 includes the steps of:
providing the circuit board 11;
providing a pair of independent cables 2, combining the cables into a strand after the core wires 21 are exposed at the same end, fixing a fixing piece 5 at the position where the two cables 2 are combined into a strand by gluing or other means, wrapping the conductive cloth at the position where the two cables 2 are combined into a strand and arranging the conductive cloth at the front side of the fixing piece, processing the core wires 21 into a first group of core wires 211, a second group of core wires 212 extending forwards to exceed the first group of core wires 211, a third group of core wires 213 aligned with the first group of core wires 211, and a fourth group of core wires 214 extending forwards to exceed the third group of core wires 213 and aligned with the second group of core wires 212, and welding the first group of core wires 211 with the corresponding first row of conductive sheets 12;
the first insulating member 61 is provided, after the first group of core wires 211 are welded with the corresponding first row of conductive sheets 12, the first insulating member 61 is arranged at the region where the first group of core wires 211 are welded with the first row of conductive sheets 12, and the second group of core wires 212 cross over the first insulating member 61 and are welded with the corresponding second row of conductive sheets 13. The third group of core wires 213 are welded to the third row of conducting strips 14, the second insulating member 62 is disposed in a region where the third group of core wires 213 are welded to the third row of conducting strips 14, and the fourth group of core wires 214 is welded to the fourth row of conducting strips 15 after crossing over the second insulating member 62. The third set of cords 213 can be welded simultaneously with the first set of cords 211 and the second set of cords 212 can be welded simultaneously with the fourth set of cords 214.
The first, second, third, and fourth conductive members 71, 72, 73, 74 may be soldered to the circuit board 11 at corresponding locations before the core wires 21 are soldered to the circuit board 11. After the core wires 21 pass through the corresponding first, second, third and fourth conductive members 71, 72, 73 and 74, the central conductor 22 is soldered to the corresponding position on the circuit board 11, and the ground wire 24 is received in the corresponding notch 703 and soldered. The second group of core wires 212 passes through the first conductive member 71 from above the first conductive member 71 and then passes through the second conductive member 72 from below, and then the central conductors 22 of the second group of core wires 212 are welded to the second signal conducting strip 130. The fourth set of cords 214 are welded in the same manner as the second set of cords 212.
After the welding of the core wire 21 and the circuit board is completed, the circuit board 11 of the connecting cable 2 is placed on the conductive outer shell 3, and the fixing piece 5 is fixed with the conductive outer shell 3 in a buckling mode.
Claims (9)
1. A method of assembling a plug connector assembly, comprising the steps of:
providing a circuit board, wherein a first row of conducting strips and a second row of conducting strips are arranged on one side face of the circuit board, and the second row of conducting strips are arranged on the front side of the same face of the first row of conducting strips;
providing a cable, wherein the cable comprises a plurality of core wires, the core wires are exposed at one end of the cable, the core wires are processed into a first group of core wires, a second group of core wires which extend forwards beyond the first group of core wires are processed, and the first group of core wires are welded with the corresponding first row of conducting strips;
the method is characterized in that: the first insulating piece is arranged in a welding area of the first group of core wires and the first row of conducting strips after the first group of core wires are welded with the corresponding first row of conducting strips, the second group of core wires cross over the first insulating piece from the upper side and then are welded with the corresponding second row of conducting strips, the first conducting pieces and the second conducting pieces are further provided, the first row of conducting strips comprise a plurality of pairs of first signal conducting strips and first grounding conducting strips arranged between the first signal conducting strips, the second row of conducting strips comprise a plurality of pairs of second signal conducting strips and second grounding conducting strips arranged between the second signal conducting strips, the first conducting pieces are welded with the first grounding conducting strips, and the second conducting pieces are welded with the second grounding conducting strips.
2. The method of assembling a plug connector assembly of claim 1, wherein: and the first conductive piece and the second conductive piece are welded at corresponding positions before the first group of core wires are welded with the first row of conductive pieces.
3. A method of assembling a plug connector assembly according to claim 2, wherein: each core wire comprises a pair of central conductors, an insulating layer and a grounding wire, the insulating layer coats the pair of central conductors, the first group of core wires penetrates through the lower surface of the first conductive piece, the central conductors are welded with the first signal conductive pieces, the first conductive piece is provided with a notch, and the grounding wire of the first group of core wires is accommodated in the notch and welded with the first conductive piece.
4. A method of assembling a plug connector assembly according to claim 3, wherein: the second group of core wires pass through the first conductive piece from the upper surface of the first conductive piece and then pass through the lower surface of the second conductive piece, then the central conductor is welded with the second signal conductive piece, the second conductive piece is provided with a gap, and the grounding wire of the second group of core wires is accommodated in the gap and is welded with the second conductive piece.
5. The method of assembling a plug connector assembly of claim 4, wherein: the grounding wire of each core wire is processed to be shorter than the corresponding center conductor.
6. The method of assembling a plug connector assembly of claim 4, wherein: the circuit board is equipped with the third on the another side opposite with a side and arranges the conducting strip and set up the fourth row conducting strip at the front side of the conducting strip one-sided is arranged to the third, the heart yearn further includes third group heart yearn, and extends the fourth group heart yearn that surpasss the heart yearn of third group forward, third group heart yearn and first group heart yearn, fourth group heart yearn and second group heart yearn parallel and level, the conducting strip welding is arranged with the third to third group heart yearn, fourth group heart yearn and fourth row conducting strip welding, third group heart yearn welds simultaneously with first group heart yearn, second group heart yearn welds simultaneously with fourth group heart yearn.
7. The method of assembling a plug connector assembly of claim 1, wherein: the cable comprises two independent cables, and the front ends of the two cables are combined into one strand.
8. The method of assembling a plug connector assembly of claim 7, wherein: and the conductive cloth is wrapped at the position where the two cables are combined into one strand, and a tight electromagnetic seal is formed between the conductive cloth and the conductive outer shell.
9. The method of assembling a plug connector assembly of claim 8, wherein: further provided is a fixing member fixed at a position where the two cables merge into one strand, the fixing member being fixed with the conductive outer case by a snap.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089482.2A CN109755840B (en) | 2017-11-08 | 2017-11-08 | Assembling method of plug connector assembly |
| US16/184,941 US10741941B2 (en) | 2017-11-08 | 2018-11-08 | Plug connector assembly having an insulative member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089482.2A CN109755840B (en) | 2017-11-08 | 2017-11-08 | Assembling method of plug connector assembly |
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| CN109755840A CN109755840A (en) | 2019-05-14 |
| CN109755840B true CN109755840B (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711089482.2A Active CN109755840B (en) | 2017-11-08 | 2017-11-08 | Assembling method of plug connector assembly |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363742A (en) * | 2020-03-05 | 2021-09-07 | 默升科技集团有限公司 | Connector blade card with improved wire connection geometry |
| CN113078529B (en) * | 2021-03-25 | 2022-05-13 | 中航光电科技股份有限公司 | Automatic welding structure of high-speed backplane connector |
| CN113517614B (en) * | 2021-06-24 | 2024-03-08 | 河源普天通讯技术有限公司 | Board end connector welding method and board end connector combination |
| CN114094414A (en) * | 2021-11-12 | 2022-02-25 | 永泰电子（东莞）有限公司 | Cable connector and production process |
| CN113840454B (en) * | 2021-11-29 | 2022-02-15 | 鹏元晟高科技股份有限公司 | Printed circuit board and QSFP-DD high-speed cable assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064952U (en) * | 1990-01-23 | 1990-10-31 | 彭合于 | Inserted pin type amplitude explosion cable connector |
| DE19640058C2 (en) * | 1996-09-30 | 1999-06-10 | Heraeus Sensor Nite Gmbh | Printed circuit board with strain relief for connection cables, processes for their manufacture and connection and their use |
| CN102246363A (en) * | 2008-12-17 | 2011-11-16 | 株式会社藤仓 | Plug for universal serial bus connector, and connector assembly |
| US8840432B2 (en) * | 2012-04-24 | 2014-09-23 | Tyco Electronics Corporation | Circuit board and wire assembly |
| CN103746237B (en) * | 2014-01-28 | 2015-10-28 | 中航光电科技股份有限公司 | One is rotatable plugs together connector |
| CN205104699U (en) * | 2015-08-07 | 2016-03-23 | 富士康(昆山)电脑接插件有限公司 | Cable connector module |
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