CN218677624U - Electrical connector assembly - Google Patents

Abstract

The utility model discloses an electric connector assembly, include: the connector has a slot, and the upper contact part of the upper terminal and the lower contact part of the lower terminal are exposed in the slot; the adapter plate is provided with a plug part and a connecting part, the second insulating layer is positioned between the first insulating layer and the third insulating layer, the first upper contact pad and the second upper contact pad are exposed out of the first insulating layer, the first lower contact pad and the second lower contact pad are exposed out of the third insulating layer, the upper conduction path is positioned between the first insulating layer and the second insulating layer, and the lower conduction path is positioned between the second insulating layer and the third insulating layer; when the inserting part is inserted into the slot, the upper contact part is contacted with the first upper contact pad, and the signal of the upper terminal is transmitted to the second upper contact pad through the first upper contact pad and the upper conduction path; the lower contact part is contacted with the first lower contact pad, and the signal of the lower terminal is transmitted to the second lower contact pad through the first lower contact pad and the lower conduction path; thus, signal transmission paths of the upper terminal and the lower terminal are shortened, and high-frequency performance is improved.

Description

Electrical connector assembly

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector assembly, and more particularly to an electrical connector assembly with a high frequency performance.

[ background of the invention ]

An existing electric connector assembly comprises a connector, the connector is provided with an insulating body, the insulating body is provided with an accommodating groove, a plurality of terminals are fixed on the insulating body, the terminals are arranged in two rows along the front-back direction, each terminal is provided with a contact part, the contact parts upwards expose in the accommodating groove, a connecting plate is provided with an inserting part and a connecting part opposite to the inserting part, the lower surface of the inserting part is provided with two rows of lower contact pads, the upper surface and the lower surface of the connecting part are respectively provided with one row of welding pads, the plurality of cables are arranged in an upper row and a lower row, the upper row of cables and the lower row of welding pads are respectively welded and fixed, when the inserting part is inserted into the accommodating groove, the contact parts of the terminals are in butt joint with the lower contact pads, and therefore the electric connector can carry out signal transmission through the connecting plate and the cables.

However, since the signal is transmitted between the electrical connector and the cable through the interposer, and the interposer is in contact with the contact portions of the terminals through the two rows of the lower contact pads on the lower surface of the interposer, and the cables are respectively soldered to the upper and lower surfaces of the interposer, when the terminals on the lower surface of the interposer transmit signals to the cable on the upper surface of the interposer, the signal transmission lines in the interposer must extend from the lower surface of the interposer, pass upward through the lower surface of the interposer, and extend to the upper surface of the interposer, before transmitting the signals of the terminals to the upper row of the cables.

Therefore, there is a need to design an electrical connector assembly to solve the above-mentioned problems.

[ Utility model ] content

The utility model aims at providing an upward conduction path is positioned between a first insulating layer and a second insulating layer, a downward conduction path is positioned between the second insulating layer and a third insulating layer, when the inserting part is inserted into the slot, a signal of an upper terminal is transmitted to a second upper contact pad through a first upper contact pad and the upward conduction path; the signal of lower terminal passes through first lower contact pad and lower conduction path and transmits to contact pad under the second has shortened the signal transmission path of upper terminal and lower terminal, has improved high frequency performance's electric connector component.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrical connector assembly, comprising: a connector having an insulative housing with a slot, at least one upper terminal fixed to the housing, the upper terminal having an upper contact portion exposed downwardly from the slot, at least one lower terminal fixed to the housing, the lower terminal having a lower contact portion exposed upwardly from the slot; the adapter plate is provided with a first insulating layer, a second insulating layer and a third insulating layer, the second insulating layer is positioned between the first insulating layer and the third insulating layer along the vertical direction, the first insulating layer is positioned above the third insulating layer, the upper surface of the adapter plate is the upper surface of the first insulating layer, the first upper contact pad and the second upper contact pad are exposed on the upper surface of the first insulating layer, the lower surface of the adapter plate is the lower surface of the third insulating layer, the first lower contact pad and the second lower contact pad are exposed on the lower surface of the third insulating layer, at least one upper conduction path is positioned between the first insulating layer and the second insulating layer, the first upper contact pad and the second upper contact pad are electrically connected with each other through the second upper contact pad and the second lower conduction path, and the electrical property of the adapter plate is that the first upper contact pad and the second upper contact pad are electrically connected with each other through the second upper conduction path and the second lower conduction path; when the inserting part is inserted into the slot, the upper contact part is contacted with the first upper contact pad, and the signal of the upper terminal is transmitted to the second upper contact pad through the first upper contact pad; the lower contact portion is in contact with the first lower contact pad, and a signal of the lower terminal is transmitted to the second lower contact pad through the first lower contact pad.

Further, the number of the upper terminals is plural, the plurality of upper terminals has at least one pair of differential terminals, the first upper contact pad has plural, the plurality of first upper contact pads has at least two first upper differential contact pads, the second upper contact pad has plural, the plurality of second upper contact pads has at least two second upper differential contact pads, the two first upper differential contact pads and the two second upper differential contact pads are in one-to-one correspondence and are arranged in an aligned manner in a front-to-back direction, the upper conduction paths have at least two, the two upper conduction paths are respectively connected with the first upper differential contact pads and the second upper differential contact pads in mutual alignment, and are parallel to each other in a horizontal direction, when the inserting portion is inserted into the inserting slot, the upper contact portions of the differential terminals are contacted with the first upper differential contact pads, and a signal of each differential terminal is transmitted to the corresponding second upper differential contact pads through the corresponding first upper differential contact pads and the upper conduction paths.

Furthermore, the upper terminal is provided with a plurality of upper terminals, each of the upper terminals is provided with at least one pair of differential terminals and at least one upper grounding terminal, a plurality of upper cables are further arranged, each of the upper cables is provided with at least one pair of differential cables, each of the differential cables is provided with a differential cable core and a shielding layer which is coated outside the differential cable core, the differential cable cores are electrically conducted with the differential terminals, and the shielding layers are electrically conducted with the upper grounding terminals.

Furthermore, the second upper contact pad is provided with at least one pair of second upper differential contact pads and at least one upper ground wire contact pad positioned behind the second upper differential contact pads along the front-back direction, the differential wire core is provided with a differential welding part which protrudes forwards out of the shielding layer, the differential welding part is welded with the second upper differential contact pads, and the shielding layer is welded with the upper ground wire contact pads.

Further, the touch pad has at least one last low-speed touch pad on the second, and is a plurality of go up the cable and have at least one last low-speed cable, it has a low-speed sinle silk to go up the low-speed cable, the low-speed sinle silk have a low-speed welding part with go up low-speed touch pad and weld mutually, along the fore-and-aft direction the difference welding part surpasss forward the low-speed welding part, along about the direction the low-speed welding part with shielding layer part overlap.

Further, the upper terminal has a plurality of, and is a plurality of the upper terminal has at least one and goes up ground terminal, the terminal has a plurality ofly down, and is a plurality of the terminal has at least ground terminal down, the keysets has a locating hole and runs through from top to bottom the keysets, be equipped with a conducting layer in the locating hole, the conducting layer respectively with go up ground terminal with the electrical property of grounding terminal switches on down, a mounting is made by conducting material, the mounting passes the locating hole with the conducting layer contacts, just the mounting is used for being fixed in a circuit board.

Further, the keysets is equipped with two the locating hole, two locating holes are passed respectively to two mountings, and each the mounting respectively with correspond in the locating hole conducting layer electric connection further has one row of last cable and one row of cable down, go up the cable with touch pad contact and fixed on the second, down the cable with touch pad contact and fixed under the second, one row on the direction of controlling along go up cable and one row the cable all locates two down between the locating hole.

Further, along the fore-and-aft direction the upper contact part is located the place ahead of lower contact part, along the fore-and-aft direction the length of first touch pad is greater than the length of first last touch pad, just first touch pad surpasss backward first last touch pad, along the up-and-down direction first last touch pad with first touch pad misplaces each other.

Furthermore, the upper conduction path and the lower conduction path are staggered in the vertical direction, the upper surface of the upper conduction path is flush with the upper surface of the first upper contact pad, and the lower surface of the lower conduction path is flush with the lower surface of the first lower contact pad.

Further, the first insulating layer is green paint, the upper surface of the first upper contact pad and the upper surface of the second upper contact pad are both lower than the upper surface of the first insulating layer, the third insulating layer is green paint, the lower surface of the first lower contact pad and the lower surface of the second lower contact pad are both higher than the lower surface of the third insulating layer.

Compared with the prior art, the utility model discloses an electric connector subassembly has following beneficial effect:

the utility model discloses in a plurality of the conduction path is located between first insulating layer and the second insulating layer, and each first upper contact pad passes through with the second upper contact pad that corresponds the conduction path electrical property switches on, so the signal of going up the terminal only need through first upper contact pad with the conduction path transmission reaches second upper contact pad, so the conduction path need not extend from the upper surface of keysets and pass downwards the keysets, so, can shorten the length of conduction path, and then shortened the signal transmission route of going up the terminal, reduced the external signal interference to the conduction path, improved the high frequency performance of electric connector subassembly; the plurality of downward conduction paths are positioned between the second insulating layer and the third insulating layer, and each first downward contact pad is electrically conducted with the corresponding second downward contact pad through the downward conduction path; in this way, the signal of the lower terminal is transmitted to the second lower contact pad only through the first lower contact pad and the lower conduction path, so that the lower conduction path does not need to extend from the lower surface of the adapter plate and upwards penetrate through the adapter plate, the length of the lower conduction path can be shortened, the signal transmission path of the lower terminal is further shortened, the signal interference of the outside on the lower conduction path is reduced, and the high-frequency performance of the electric connector assembly is improved; and because neither the upper conduction path nor the lower conduction path needs to penetrate through the adapter plate in the vertical direction, the manufacturing process of the adapter plate is simplified.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of the electrical connector assembly and the circuit board of the present invention;

fig. 2 is a perspective assembly view of the electrical connector assembly and the circuit board of the present invention;

fig. 3 is a top view of the adapter plate of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a bottom view of the adapter plate of the present invention;

fig. 6 is a cross-sectional view of the electrical connector assembly of the present invention at a viewing angle;

fig. 7 is a cross-sectional view of the electrical connector assembly of the present invention at another viewing angle.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

[ detailed description ] embodiments

The invention will now be described in further detail with reference to specific embodiments and figures for a better understanding of the invention.

As shown in fig. 1 to 7, the electrical connector assembly 1000 of the present invention defines a front-back direction, a left-right direction perpendicular to the front-back direction, and an up-down direction (i.e. a vertical direction). For convenience of understanding of the drawings, a forward direction in the front-back direction is a positive direction of an X axis, a rightward direction in the left-right direction is a positive direction of a Y axis, and an upward direction in the up-down direction is a positive direction of a Z axis.

As shown in fig. 1 to fig. 7, in order to provide the electrical connector assembly 1000 of the present invention, the electrical connector assembly 1000 is configured to be installed on a circuit board 2000, the electrical connector assembly 1000 includes a connector 1, and the connector 1 is fixed on the circuit board 2000. The connector comprises a plurality of upper cables 3 and a plurality of lower cables 4, one end of an adapter plate 2 is in butt joint with the connector 1, the other end of the adapter plate is in butt joint with the upper cables 3 and the lower cables 4, one end of a fixing piece 5 is fixed on the circuit board 2000, and the other end of the fixing piece is fixed with the adapter plate 2, so that the adapter plate 2 can be stably fixed on the circuit board 2000.

As shown in fig. 1, 6 and 7, the connector 1 has an insulating body 11, and the insulating body 11 is provided with a slot 12. A plurality of upper terminals 13 are fixed to the insulating body 11, and each of the upper terminals 13 has an upper contact portion 14, and the upper contact portion 14 is exposed downward from the slot 12 for being abutted with the interposer 2. A plurality of lower terminals 15 are fixed to the insulating body 11, and each of the lower terminals 15 has a lower contact portion 16, and the lower contact portion 16 is exposed upward from the slot 12.

As shown in fig. 1, 6 and 7, the upper contact portions 14 are arranged in a row in the left-right direction, the lower contact portions 16 are arranged in a row, the upper contact portions 14 are located in front of the lower contact portions 16 in the front-rear direction, and the upper contact portions 14 and the lower contact portions 16 are arranged in a vertically offset manner.

As shown in fig. 1, 2, 6 and 7, the upper terminals 13 have a pair of differential terminals 131 (of course, in other embodiments, the number of the differential terminals 131 may be two, three or more pairs), a plurality of upper ground terminals 132 and a plurality of upper low-speed terminals 133. The plurality of lower terminals 15 have a plurality of lower ground terminals 151 and a plurality of lower low-speed terminals 152, and the differential terminals 131 are not provided (of course, the plurality of lower terminals 15 may be provided with the differential terminals 131 in other embodiments).

As shown in fig. 1, 3, 5, 6 and 7, the adapter plate 2 has an insertion portion 21 and a connection portion 23 arranged opposite to each other along the front-back direction, and a bridging portion 22 located between the insertion portion 21 and the connection portion 23, wherein the front end of the bridging portion 22 is connected to the insertion portion 21, and the rear end is connected to the connection portion 23.

As shown in fig. 1, fig. 3, fig. 5, fig. 6, and fig. 7, the interposer 2 has a first insulating layer A1, a second insulating layer A2, and a third insulating layer A3 along the up-down direction, the second insulating layer A2 is located between the first insulating layer A1 and the third insulating layer A3 along the up-down direction, and the first insulating layer A1 is located above the third insulating layer A3. The first insulating layer A1 is a green paint (of course, in other embodiments, the first insulating layer A1 may also be another insulating coating or an insulating plate), and the upper surface of the interposer 2 is the upper surface of the first insulating layer A1. The second insulating layer A2 is an insulating plate (of course, in other embodiments, the second insulating layer A2 may also be an insulating coating or other insulating materials, etc.), the third insulating layer A3 is also green paint (of course, in other embodiments, the third insulating layer A3 may also be other insulating coatings or insulating plates), and the lower surface of the interposer 2 is the lower surface of the third insulating layer A3.

As shown in fig. 1, 3, 4, 5, 6 and 7, the insertion part 21 is configured to be inserted into the insertion groove 12 to be abutted with the upper contact part 14 and the lower contact part 16. A plurality of first upper contact pads 24 are exposed on the upper surface of the plug portion 21 for abutting against the upper contact portion 14, and the upper surface of the first upper contact pads 24 is lower than the upper surface of the first insulating layer A1. The first lower contact pads 25 are exposed on the lower surface of the plug portion 21 for contacting with the lower contact portion 16, and the lower surface of the first lower contact pads 25 is higher than the lower surface of the third insulating layer A3. The first upper contact pads 24 are arranged in a row along the left-right direction and exposed on the upper surface of the first insulating layer A1. The first lower contact pads 25 are arranged in a row and exposed on the lower surface of the third insulating layer A3. The length of the first lower contact pad 25 is greater than the length of the first upper contact pad 24 in the front-back direction, the front end of the first upper contact pad 24 is flush with the front end of the first lower contact pad 25 in the front-back direction, and the rear end of the first lower contact pad 25 exceeds the rear end of the first upper contact pad 24 in the rear direction. The first upper contact pad 24 and the first lower contact pad 25 are staggered from each other in the up-down direction, so that the distance between the first upper contact pad 24 and the first lower contact pad 25 is increased, and the signal interference between the first upper contact pad 24 and the first lower contact pad 25 is reduced.

As shown in fig. 1, 3, 4, 6 and 7, the plurality of first upper contact pads 24 has two first upper differential contact pads 241 (of course, the number of the first upper differential contact pads 241 may be four, six or more, etc. in other embodiments), and the first upper differential contact pads 241 are butted against the upper contact portions 14 of the differential terminals 131. The first upper contact pad 24 further has a plurality of upper ground contact pads 242 and a plurality of upper signal contact pads 243, the upper ground contact pads 242 are connected to the upper ground terminals 132, and the upper signal contact pads 243 are connected to the upper low-speed terminals 133.

As shown in fig. 1, 5, 6 and 7, the first lower pads 25 have a plurality of lower ground pads 251 and a plurality of lower signal pads 252, the lower ground pads 251 are in contact with the lower contact portions 16 of the lower ground terminals 151, and the lower signal pads 252 are in contact with the lower contact portions 16 of the lower low speed terminals 152.

As shown in fig. 1, 3, 4, 5, 6 and 7, an upper surface of the connection portion 23 is configured to contact the upper cable 3, and a lower surface of the connection portion 23 is configured to contact the lower cable 4. A plurality of second upper contact pads 26 are exposed on the upper surface of the connection portion 23 for contacting the upper cable 3, and the upper surface of the second upper contact pads 26 is lower than the upper surface of the first insulating layer A1. A plurality of second lower contact pads 27 are exposed on the lower surface of the connection portion 23 for contacting the lower cable 4, and the lower surface of the second lower contact pads 27 is higher than the lower surface of the third insulation layer A3. The second upper contact pads 26 are arranged in two rows, and the second upper contact pads 26 are exposed on the upper surface of the first insulating layer A1. The second lower pads 27 are arranged in a row, and the second lower pads 27 are exposed on the lower surface of the third insulating layer A3. When the inserting part 21 is inserted into the inserting slot 12, the upper contact part 14 contacts with the first upper contact pad 24, the signal of the upper terminal 13 is transmitted to the second upper contact pad 26 through the first upper contact pad 24, the lower contact part 16 contacts with the first lower contact pad 25, and the signal of the lower terminal 15 is transmitted to the second lower contact pad 27 through the first lower contact pad 25.

As shown in fig. 1, 3, 4, 6, and 7, the second upper pads 26 arranged in two front and rear rows have two second upper differential pads 261 (of course, the number of the second upper differential pads 261 may be four, six, or more, etc.), a plurality of upper ground pads 262, and a plurality of upper low-speed pads 263. Two on the left and right direction the second goes up differential touch pad 261 row and is one row, and is a plurality of go up ground wire touch pad 262 with go up low-speed touch pad 263 and be another row on the left and right direction row. The second upper differential pad 261, which is arranged in a row in the front-rear direction, is located in the front of the upper ground pad 262 and the upper low-speed pad 263, which is arranged in another row, that is, two second upper differential pads 261 are located in the front of the upper ground pad 262 and the upper low-speed pad 263. The two second upper differential pads 261 correspond to the two first upper differential pads 241 one by one, and are aligned in the front-rear direction.

As shown in fig. 1, 5, 6 and 7, the second lower pads 27 are exposed downward from the third insulating layer A3, and the second lower pads 27 have a plurality of lower ground pads 271 and a plurality of lower low-speed pads 272, the lower ground pads 271 are electrically connected to the lower ground pad 251, and the lower low-speed pads 272 are electrically connected to the lower signal pads 252.

As shown in fig. 1, 3, 4, 5, 6 and 7, the connecting portion 23 is further provided with two positioning holes 231 (of course, in other embodiments, the number of the positioning holes 231 may be one, three, etc.), and each of the positioning holes 231 vertically penetrates through the adapter plate 2. The two positioning holes 231 are disposed at intervals at the left and right ends of the connecting portion 23, and the plurality of second upper contact pads 26 and the plurality of second lower contact pads 27 are disposed between the two positioning holes 231 along the left and right direction. A conductive layer 232 is disposed on an inner wall of each positioning hole 231, and the conductive layer 232 is copper (of course, the conductive layer 232 may be other metal layers in other embodiments). The conductive layer 232 extends upward to the upper surface of the interposer 2 and is exposed to the first insulating layer A1, and the conductive layer 232 also extends downward to the lower surface of the interposer 2 and is exposed to the third insulating layer A3.

As shown in fig. 1, 3, 4, 5, 6 and 7, two fixing members 5 are provided, and the two fixing members 5 correspond to the two positioning holes 231 one by one. Each of the fixing members 5 is made of a conductive material, the lower end of the fixing member 5 is fixed on the circuit board 2000, and the upper end of the fixing member 5 passes through the positioning hole 231 and contacts with the conductive layer 232 in the positioning hole 231, so that the conductive layer 232 is electrically connected with the circuit board 2000 through the fixing member 5.

As shown in fig. 1, 3, 4, 5, 6 and 7, the interposer 2 is further provided with a plurality of upper conduction paths 221 and a plurality of lower conduction paths 222, and the upper conduction paths 221 and the lower conduction paths 222 are both located on the bridge portion 22. The upper conduction path 221 is located between the first insulating layer A1 and the second insulating layer A2, and an upper surface of the upper conduction path 221 is flush with an upper surface of the first upper contact pad 24 and an upper surface of the second upper contact pad 26. The front end of any one of the upper conduction paths 221 is connected to one of the first upper contact pads 24, and the rear end thereof is connected to a corresponding one of the second upper contact pads 26, so that the first upper contact pad 24 and the second upper contact pad 26 are electrically conducted through the upper conduction path 221. The down conduction path 222 is located between the second insulation layer A2 and the third insulation layer A3, and a lower surface of the down conduction path 222 is flush with a lower surface of the first lower contact pad 25 and a lower surface of the second lower contact pad 27. The front end of any one of the conduction paths 222 is connected to one of the first lower contact pads 25, and the rear end thereof is connected to a corresponding one of the second lower contact pads 27, so that the first lower contact pad 25 and the second lower contact pad 27 are electrically conducted through the conduction path 222. The upper conduction path 221 and the lower conduction path 222 are staggered from each other in the up-down direction, so that the distance between the upper conduction path 221 and the lower conduction path 222 can be increased, and the signal interference between the upper conduction path 221 and the lower conduction path 222 can be reduced.

As shown in fig. 1, 3, 4, 5, 6 and 7, two first upper differential pads 241 and two second upper differential pads 261 aligned with each other are respectively connected through two upper conduction paths 221, and the two upper conduction paths 221 are parallel to each other as viewed in the horizontal direction, so that compared with the case that the two upper conduction paths 221 cross each other in the horizontal direction, the length of the upper conduction path 221 is shortened, and thus the interference of the outside on the upper conduction path 221 is reduced. When the inserting part 21 is inserted into the slot 12, the upper contact part 14 of the differential terminal 131 contacts with the first upper differential contact pad 241, and the signal of each differential terminal 131 is transmitted to the corresponding second upper differential contact pad 261 through the corresponding first upper differential contact pad 241 and the upper conduction path 221, so that the transmission path of the signal of the differential terminal 131 is shortened, and the interference of the external world on the transmission path of the signal of the differential terminal 131 is reduced, so that the signal transmission path of the differential terminal 131 has good high-frequency performance.

As shown in fig. 1, 3, 4, 5, 6 and 7, the conductive layer 232 of each positioning hole 231 is communicated with the corresponding upper ground contact pad 242 through one upper conduction path 221, and the conductive layer 232 is further communicated with the corresponding lower ground contact pad 251 through one lower conduction path 222, such that, when the socket 21 is inserted into the socket 12, the upper ground terminal 132 is in contact with the upper ground contact pad 242, the upper ground terminal 132 transmits a ground signal to the circuit board 2000 through the upper ground contact pad 242, the upper conduction path 221 and the conductive layer 232 which are connected to each other, the lower ground terminal 151 is in contact with the lower ground contact pad 251, and the lower ground terminal 151 transmits a ground signal of the lower ground terminal 151 to the circuit board 2000 through the lower ground contact pad 251, the lower conduction path 222 and the conductive layer 232 which are connected to each other, and such that the upper ground terminal 132 and the lower ground terminal 151 are in electrical communication, and the ground potential of the upper ground terminal 132 and the lower ground terminal 151 are equal to each other, thereby achieving good performance of the ground terminal 151.

As shown in fig. 1, 3, 4, 6 and 7, the plurality of upper cables 3 includes a pair of differential cables 31 (although the number of the differential cables 31 may be two pairs, three pairs, or the like in other embodiments) and a plurality of upper low-speed cables 32. Each differential cable 31 has a differential core 311 and a shielding layer 313 covering the differential core 311. The differential core 311 has a differential bonding portion 312, the differential bonding portion 312 protrudes forward out of the shielding layer 313, the differential bonding portion 312 is bonded to the second upper differential pad 261, and the shielding layer 313 is bonded to the upper ground pad 262. The upper low-speed cable 32 has a low-speed core 321, the low-speed core 321 has a low-speed welding portion 322, and the low-speed welding portion 322 is welded to the upper low-speed pad 263. The differential weld 312 is advanced beyond the low-speed weld 322 in the front-rear direction, and the low-speed weld 322 partially overlaps the shield layer 313 in the left-right direction. When the inserting part 21 is inserted into the inserting slot 12, the upper ground terminal 132 and the shielding layer 313 are electrically conducted through the upper ground contact pad 242, the upper conducting path 221 and the upper ground contact pad 262, and the differential core 311 and the differential terminal 131 are electrically conducted through the first upper differential contact pad 241, the upper conducting path 221 and the second upper differential contact pad 261; the upper low-speed terminal 133 and the low-speed core 321 are electrically connected through the upper signal pad 243, the upper conductive path 221 and the upper low-speed pad 263.

As shown in fig. 1, 2, 5, 6 and 7, the plurality of lower cables 4 include a plurality of lower low-speed cables 41 and a plurality of lower ground cables 42, the lower low-speed cables 41 are electrically connected to the lower low-speed terminals 152, and the lower ground cables 42 are electrically connected to the lower ground terminals 151.

The manufacturing process of the adapter plate 2 is as follows: first, providing a second insulating layer A2 having two positioning holes 231; next, the first upper contact pad 24, the upper conduction path 221, and the second upper contact pad 26 are formed on the upper surface of the second insulating layer A2 by plating, the first lower contact pad 25, the lower conduction path 222, and the second lower contact pad 27 are formed on the lower surface of the second insulating layer A2 by plating, and the conductive layer 232 is formed on the inner wall of the positioning hole 231 and the upper and lower surfaces of the second insulating layer A2 by plating. Then, coating a green paint on the upper surface of the second insulating layer A2 (the green paint is the first insulating layer A1), and avoiding the first upper contact pad 24, the second upper contact pad 26 and the conductive layer 232 when coating the green paint, so that the first upper contact pad 24, the second upper contact pad 26 and the conductive layer 232 are exposed from the green paint (the green paint is the first insulating layer A1); meanwhile, a green paint (here, the green paint is the third insulating layer A3) is coated on the lower surface of the second insulating layer A2, and the first lower contact pad 25, the second lower contact pad 27 and the conductive layer 232 need to be avoided when the green paint is coated, so that the first lower contact pad 25, the second lower contact pad 27 and the conductive layer 232 are exposed to the green paint (here, the green paint is the third insulating layer A3). And then welding the manufactured adapter plate 2 with the upper cable 3 and the lower cable 4, and finally inserting the insertion part 21 of the adapter plate 2 into the slot 12 to be electrically connected with the upper terminal 13 and the lower terminal 15.

To sum up, the utility model discloses electric connector subassembly 1000 has following beneficial effect:

(1) The plurality of upper conduction paths 221 are located between the first insulating layer A1 and the second insulating layer A2, and each first upper contact pad 24 and the corresponding second upper contact pad 26 are electrically conducted through the upper conduction path 221, so that a signal of the upper terminal 13 only needs to be transmitted to the second upper contact pad 26 through the first upper contact pad 24 and the upper conduction path 221, and thus the upper conduction path 221 does not need to extend from the upper surface of the interposer 2 and downwardly penetrate through the interposer 2, so that the length of the upper conduction path 221 can be shortened, further the signal transmission path of the upper terminal 13 is shortened, signal interference from the outside to the upper conduction path 221 is reduced, and the high-frequency performance of the electrical connector assembly 1000 is improved; the plurality of the conductive vias 222 are located between the second insulating layer A2 and the third insulating layer A3, and each of the first lower contact pads 25 is electrically connected to the corresponding second lower contact pad 27 through the conductive via 222; in this way, the signal of the lower terminal 15 only needs to be transmitted to the second lower contact pad 27 through the first lower contact pad 25 and the lower conduction path 222, so that the lower conduction path 222 does not need to extend from the lower surface of the interposer 2 and upwardly penetrate through the interposer 2, and thus the length of the lower conduction path 222 can be shortened, the signal transmission path of the lower terminal 15 is further shortened, the signal interference of the external world to the lower conduction path 222 is reduced, and the high-frequency performance of the electrical connector assembly 1000 is improved; moreover, since neither the upper conduction path 221 nor the lower conduction path 222 needs to pass through the interposer 2 in the up-down direction, the manufacturing process of the interposer 2 is simplified.

(2) The two upper conduction paths 221 are respectively connected to the first upper differential contact pad 241 and the second upper differential contact pad 261 which are aligned with each other, and the two upper conduction paths 221 are parallel to each other in the horizontal direction, when the inserting part 21 is inserted into the slot 12, the upper contact part 14 of the differential terminal 131 is in contact with the first upper differential contact pad 241, and a signal of each differential terminal 131 is transmitted to the corresponding second upper differential contact pad 261 through the corresponding first upper differential contact pad 241 and the corresponding upper conduction path 221; thus, compared to the intersection of the two conduction paths 221 in the horizontal direction, the lengths of the two conduction paths 221 are shortened, and the signal transmission path of the differential terminal 131 is shortened, thereby improving the high-frequency performance of the electrical connector assembly 1000.

(3) The differential cable 31 comprises the differential cable core 311 and the shielding layer 313 coated outside the differential cable core 311, the differential cable core 311 is electrically conducted with the differential terminal 131, the shielding layer 313 is electrically conducted with the upper grounding terminal 132, so that not only is an additional grounding cable not needed to be arranged and materials are saved, but also the shielding layer 313 can shield external signal interference on the differential cable core 311 and improve high-frequency performance because the shielding layer 313 is coated outside the differential cable core 311 and electrically conducted with the upper grounding terminal 132.

(4) The differential wire core 311 has the differential welding portion 312 protruding forward out of the shielding layer 313, and the differential welding portion 312 is welded to the second upper differential pad 261, and the shielding layer 313 is welded to the upper ground pad 262; therefore, the signal transmission path of the differential terminal 131 can be shortened, which is beneficial to high-frequency performance, and the signal transmission path of the upper ground terminal 132 is increased, so that the signal transmission path of the differential terminal 131 is wrapped in the signal transmission path of the upper ground terminal 132 in the left-right direction, and the interference of the outside on the signal transmission path of the differential terminal 131 is reduced.

(5) The differential welding part 312 extends forward beyond the low-speed welding part 322 along the front-back direction, and the low-speed welding part 322 is partially overlapped with the shielding layer 313 along the left-right direction, so that the wire stripping of the upper cable 3 is facilitated, and the interference of the upper low-speed cable 32 on the differential cable 31 can be reduced.

(6) The conductive layer 232 is disposed in the positioning hole 231, the conductive layer 232 is electrically connected to the upper ground terminal 132 and the lower ground terminal 151, the fixing member 5 is made of a conductive material, the fixing member 5 passes through the positioning hole 231 and contacts with the conductive layer 232, and the fixing member 5 is used to be fixed to the circuit board 2000; thus, the fixing member 5 can ground the upper ground terminal 132 and the lower ground terminal 151, thereby increasing a ground path of the electrical connector assembly 1000, improving high-frequency performance, and electrically connecting the upper ground terminal 132 and the lower ground terminal 151, so that the upper ground terminal 132 and the lower ground terminal 151 have the same potential, and the shielding effect of the upper ground terminal 132 and the lower ground terminal 151 is better.

(7) The upper cable 3 and the lower cable 4 are arranged between the two positioning holes 231 in the left-right direction, so that the upper ground terminal 132 and the lower ground terminal 151 are grounded with the circuit board 2000 through the two positioning holes 231 and the two fixing members 5, and the two positioning holes 231 can shield part of external signal interference to the upper cable 3 and the lower cable 4 in the left-right direction, thereby improving high frequency.

(8) The upper contact portion 14 is located in front of the lower contact portion 16 along the front-back direction, the length of the first lower contact pad 25 along the front-back direction is greater than the length of the first upper contact pad 24, and the first lower contact pad 25 extends backward beyond the first upper contact pad 24, so that the upper contact portion 14 can be in contact with the first upper contact pad 24, and the lower contact portion 16 can be in contact with the first lower contact pad 25; the first upper contact pad 24 and the first lower contact pad 25 are staggered in the up-down direction, so that the distance between the first upper contact pad 24 and the first lower contact pad 25 is increased, and the signal interference between the first upper contact pad 24 and the first lower contact pad 25 is reduced

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims (10)

1. An electrical connector assembly, comprising:

a connector having an insulative housing with a slot, at least one upper terminal fixed to the housing, the upper terminal having an upper contact portion exposed downwardly from the slot, at least one lower terminal fixed to the housing, the lower terminal having a lower contact portion exposed upwardly from the slot;

the adapter plate is provided with a first insulating layer, a second insulating layer and a third insulating layer, the second insulating layer is positioned between the first insulating layer and the third insulating layer along the vertical direction, the first insulating layer is positioned above the third insulating layer, the upper surface of the adapter plate is the upper surface of the first insulating layer, the first upper contact pad and the second upper contact pad are exposed on the upper surface of the first insulating layer, the lower surface of the adapter plate is the lower surface of the third insulating layer, the first lower contact pad and the second lower contact pad are exposed on the lower surface of the third insulating layer, at least one upper conduction path is positioned between the first insulating layer and the second insulating layer, the first upper contact pad and the second upper contact pad are electrically connected with each other through the second upper contact pad and the second lower conduction path, and the electrical property of the adapter plate is that the first upper contact pad and the second upper contact pad are electrically connected with each other through the second upper conduction path and the second lower conduction path;

when the inserting part is inserted into the slot, the upper contact part is contacted with the first upper contact pad, and the signal of the upper terminal is transmitted to the second upper contact pad through the first upper contact pad; the lower contact portion is in contact with the first lower contact pad, and a signal of the lower terminal is transmitted to the second lower contact pad through the first lower contact pad.

2. The electrical connector assembly of claim 1, wherein: the number of the upper terminals is multiple, the upper terminals are provided with at least one pair of differential terminals, the first upper contact pads are multiple, the first upper contact pads are provided with at least two first upper differential contact pads, the second upper contact pads are multiple, the second upper contact pads are provided with at least two second upper differential contact pads, the two first upper differential contact pads and the two second upper differential contact pads are in one-to-one correspondence and are arranged in an aligned manner in the front-back direction, the upper conduction paths are at least two, the two upper conduction paths are respectively connected with the first upper differential contact pads and the second upper differential contact pads which are aligned with each other, the two upper conduction paths are parallel to each other in the horizontal direction, when the inserting portion is inserted into the inserting slot, the upper contact portions of the differential terminals are contacted with the first upper differential contact pads, and signals of each differential terminal are transmitted to the corresponding second upper differential contact pads through the corresponding first upper differential contact pads and the upper conduction paths.

3. The electrical connector assembly of claim 1, wherein: the upper terminal is provided with a plurality of upper terminals, the upper terminals are provided with at least one pair of differential terminals and at least one upper grounding terminal, a plurality of upper cables are further arranged, the upper cables are provided with at least one pair of differential cables, each differential cable is provided with a differential cable core and a shielding layer coated outside the differential cable core, the differential cable cores are electrically conducted with the differential terminals, and the shielding layers are electrically conducted with the upper grounding terminals.

4. The electrical connector assembly of claim 3, wherein: the upper contact pad of the second is provided with at least one pair of upper differential contact pads of the second and at least one upper ground wire contact pad behind the upper differential contact pads of the second, the differential wire core is provided with a differential welding part which protrudes forwards to form the shielding layer, the differential welding part is welded with the upper differential contact pads of the second, and the shielding layer is welded with the upper ground wire contact pads.

5. The electrical connector assembly of claim 4, wherein: the touch pad has one at least and goes up low-speed touch pad, and is a plurality of go up the cable and have one at least and go up the low-speed cable, it has a low-speed sinle silk to go up the low-speed sinle silk, the low-speed sinle silk have a low-speed welding part with go up low-speed touch pad and weld mutually, follow the fore-and-aft direction the difference welding part surpasss forward the low-speed welding part, follow about the direction on the low-speed welding part with shielding layer part overlaps.

6. The electrical connector assembly of claim 1, wherein: the upper terminal has a plurality ofly, and is a plurality of the upper terminal has an at least ground terminal of going up, the terminal has a plurality ofly down, and is a plurality of the terminal has at least ground terminal down, the keysets has a locating hole and runs through from top to bottom the keysets, be equipped with a conducting layer in the locating hole, the conducting layer respectively with go up ground terminal with the electrical property of grounding terminal switches on down, a mounting is made by conducting material, the mounting passes the locating hole with the conducting layer contacts, just the mounting is used for being fixed in a circuit board.

7. The electrical connector assembly of claim 6, wherein: the keysets is equipped with two the locating hole, two locating holes are passed respectively to two mountings, and each the mounting respectively with correspond in the locating hole conducting layer electric connection further has one row of last cable and one row of cable down, go up the cable with touch pad contact and fixed on the second, down the cable with touch pad contact and fixed under the second, one row on the left and right sides direction is followed go up the cable and one row the cable all is located two down between the locating hole.

8. The electrical connector assembly of claim 1, wherein: the upper contact part is located in front of the lower contact part along the front-back direction, the length of the first lower contact pad is greater than that of the first upper contact pad along the front-back direction, the first lower contact pad exceeds the first upper contact pad backwards, and the first upper contact pad and the first lower contact pad are staggered with each other along the up-down direction.

9. The electrical connector assembly of claim 1, wherein: the upper conduction path and the lower conduction path are staggered in the vertical direction, the upper surface of the upper conduction path is flush with the upper surface of the first upper contact pad, and the lower surface of the lower conduction path is flush with the lower surface of the first lower contact pad.

10. The electrical connector assembly of claim 1, wherein: the first insulating layer is green paint, the upper surface of the first upper contact pad and the upper surface of the second upper contact pad are both lower than the upper surface of the first insulating layer, the third insulating layer is green paint, and the lower surface of the first lower contact pad and the lower surface of the second lower contact pad are both higher than the lower surface of the third insulating layer.

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