CN113258333A - Electric connector and assembly thereof - Google Patents
Electric connector and assembly thereof Download PDFInfo
- Publication number
- CN113258333A CN113258333A CN202110451570.2A CN202110451570A CN113258333A CN 113258333 A CN113258333 A CN 113258333A CN 202110451570 A CN202110451570 A CN 202110451570A CN 113258333 A CN113258333 A CN 113258333A
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- 210000001503 joint Anatomy 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 description 13
- 238000003032 molecular docking Methods 0.000 description 11
- 230000000149 penetrating effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
Abstract
The invention discloses an electric connector and an assembly thereof, the electric connector assembly comprises an external circuit board with a plurality of conducting strips which are arranged at intervals along the transverse direction and an electric connector which is attached on the conducting strips along the vertical direction surface which is vertical to the transverse direction, the electric connector comprises an insulating body and a first row of terminals which are accommodated in the insulating body and are arranged along the transverse direction, the first row of terminals comprises at least one pair of grounding terminals and a pair of signal terminals arranged between the pair of grounding terminals, each signal terminal comprises a signal tail part, a signal contact part and a signal main body part which are attached to the surface of the corresponding conducting strip, each grounding terminal comprises a grounding tail part, a grounding contact part and a grounding main body part which are attached to the surface of the corresponding conducting strip, the width of the ground tail portion in the lateral direction is greater than the width of the signal tail portion in the lateral direction.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector and an assembly thereof, and more particularly, to an electrical connector and an assembly thereof with good electrical performance.
[ background of the invention ]
Reference is made to US9083130, published 2015 on 7-month 14, which discloses an electrical connector. The electric connector comprises a plurality of grounding terminals and a plurality of signal terminals, a pair of signal terminals is arranged between every two adjacent grounding terminals, the two grounding terminals can shield and protect the pair of signal terminals, so that external interference is not easy to influence the signal terminals, the energy of the signal terminals is not easy to diffuse outwards, but the width of the grounding terminals is smaller than that of the signal terminals, and the electric connector cannot have better electric performance.
There is therefore a need for an improved electrical connector that overcomes the deficiencies of the prior art.
[ summary of the invention ]
The invention mainly aims to provide an electric connector with better electric property.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric connector is provided, which can be used for the butt joint plate of the butt joint connector to be inserted and matched along the insertion direction and can be surface-mounted with a plurality of conducting strips on an external circuit board along the vertical up-down direction vertical to the insertion direction, the electric connector comprises an insulating body and a plurality of terminals contained in the insulating body, the terminals comprise a first row of terminals which are arranged into a row at intervals along the vertical direction vertical to the insertion direction and the horizontal direction of the up-down direction, the first row of terminals comprise a pair of signal terminals capable of transmitting differential signals and grounding terminals arranged on one side of the pair of signal terminals, each signal terminal comprises a signal tail part surface-mounted with the corresponding conducting strip, a signal contact part matched with the circuit board of the butt joint connector and a signal main body part connected with the signal tail part and the signal contact part, and each grounding terminal comprises a grounding tail part surface-mounted with the corresponding conducting strip, The ground connector comprises a ground contact part matched with a circuit board of a butting connector and a ground main body part connecting the ground tail part and the ground contact part, wherein the width of the ground tail part in the transverse direction is larger than that of the signal tail part in the transverse direction.
Further, one of the ground tails may be surface-mounted to two adjacent ones of the conductive strips.
Furthermore, the grounding tail part is provided with an opening which penetrates through the grounding tail part along the vertical direction, or a sunken part which is sunken towards the direction far away from the conducting strips is arranged at the position between the adjacent conducting strips, and the sunken part is provided with an opening which penetrates through the grounding tail part along the vertical direction.
Further, the width of the ground tail is at least twice the width of the signal tail.
Further, a first distance between a center line of the ground tail portion and a center line of the signal tail portion adjacent to the ground tail portion is greater than a second distance between center lines of the signal tail portions of the pair of signal terminals, the first distance is 0.9mm, and the second distance is 0.6 mm.
Further, a third distance between the center line of the ground contact portion and the center line of the signal contact portion adjacent thereto is equal to a fourth center distance between the center lines of the signal contact portions of the pair of signal terminals, and the third center distance and the fourth center distance are 0.8 mm.
Further, the terminal include follow transverse direction arrange and with first row of terminal the second row of terminal that the upper and lower direction interval set up, insulator is equipped with and supplies butt joint board male butt joint slot and with the communicating confession of butt joint slot the terminal is from the installing port of back forward installation, first row of terminal sets up one side of butt joint slot, the setting of second row of terminal is in the opposite side of butt joint slot, first row of terminal and second row of terminal be in the butt joint slot can with butt joint board centre gripping cooperation.
Further, the second row of terminals includes a pair of signal terminals, each of the signal terminals of the second row of terminals includes a signal tail portion attached to the surface of the corresponding conductive strip, a signal contact portion engaged with the circuit board of the mating connector, and a signal body portion connecting the signal tail portion and the signal contact portion, the signal contact portion of the signal terminal of the second row of terminals and the signal contact portion of the corresponding first row of terminals are offset by a first dimension in the transverse direction, the signal tail portion of the signal terminal of the second row of terminals and the signal tail portion of the corresponding first row of terminals are offset by a second dimension in the transverse direction, the first dimension is different from the second dimension, the first dimension is 0.4mm, and the second dimension is 0.3 mm.
Another objective of the present invention is to provide an electrical connector assembly with better electrical performance.
In order to achieve the purpose, the invention adopts the following technical scheme: an electric connector assembly comprises an external circuit board with a plurality of conducting strips arranged at intervals along the transverse direction and an electric connector which is arranged on the conducting strips in a surface-mounted mode along the vertical direction, wherein the electric connector comprises an insulating body and a first row of terminals which are contained in the insulating body and arranged along the transverse direction, the first row of terminals comprise at least one pair of grounding terminals and a pair of signal terminals which are arranged between the pair of grounding terminals and can transmit differential signals, each signal terminal comprises a signal tail part which is correspondingly arranged on the surface of the conducting strip in a surface-mounted mode, a signal contact part which is matched with a circuit board of a butting connector and a signal main body part which is connected with the signal tail part and the signal contact part, and each grounding terminal comprises a grounding tail part which is correspondingly arranged on the surface of the conducting strip in a surface-mounted mode, a grounding contact part which is matched with the circuit board of the butting connector and a grounding contact part which is connected with the grounding tail part and the grounding contact part A ground body portion of the section, a width of the ground tail portion in the transverse direction being greater than a width of the signal tail portion in the transverse direction.
Further, a surface of one of the ground tails is attached to a surface of one of the conductive strips.
Compared with the prior art, the invention has the advantages that: in the invention, the width of the grounding tail part of the grounding terminal in the transverse direction is larger than that of the signal tail part of the signal terminal in the transverse direction, so that the grounding terminal can better perform a shielding protection effect on the signal terminal, the electric connector and the assembly thereof have good electric performance, and the signal transmission rate of the electric connector and the assembly thereof is improved.
[ description of the drawings ]
Fig. 1 is a perspective view of an electrical connector assembly consistent with the present invention.
Fig. 2 is a front view of the electrical connector assembly shown in fig. 1.
Fig. 3 is a perspective view of the circuit board and terminals of the electrical connector assembly shown in fig. 1.
Fig. 4 is a perspective view of the first row of terminals and circuit board shown in fig. 2.
Fig. 5 is a perspective view of the second row of terminals and circuit board shown in fig. 2.
Fig. 6 is a perspective view of the first row of terminal surfaces held by the first retainer member of the first embodiment of the electrical connector assembly shown in fig. 1 mounted to a circuit board.
Fig. 7 is a perspective view of the first row of terminals shown in fig. 6 with the first securing member removed for surface mounting on a circuit board.
Fig. 8 is an enlarged view of a portion of the first row of terminals shown in fig. 7 surface mounted on a circuit board.
Fig. 9 is a perspective view of the first row of terminal surfaces of the second embodiment of the electrical connector assembly shown in fig. 1 mounted to a circuit board.
Fig. 10 is an enlarged view of a portion of the first row of terminals shown in fig. 9 surface mounted on a circuit board.
Fig. 11 is a perspective view of the first row of terminal surfaces mounted to a circuit board of the third embodiment of the electrical connector assembly shown in fig. 1.
Fig. 12 is an enlarged view of a portion of the first row of terminals shown in fig. 11 surface mounted on a circuit board.
Fig. 13 is a perspective view of the fourth embodiment of the electrical connector assembly shown in fig. 1 with the first row of terminals surface mounted to a circuit board.
Fig. 14 is an enlarged view of a portion of the first row of terminals shown in fig. 13 surface mounted on a circuit board.
Fig. 15 is a perspective view of the fifth embodiment of the electrical connector assembly shown in fig. 1 with the first row of terminals surface mounted to a circuit board.
Fig. 16 is an enlarged view of a portion of the first row of terminals shown in fig. 15 surface mounted on a circuit board.
Fig. 17 is a perspective view of the sixth embodiment of the electrical connector assembly shown in fig. 1 with the first row of terminals surface mounted to a circuit board.
Fig. 18 is an enlarged view of a portion of the first row of terminals shown in fig. 17 surface mounted on a circuit board.
Fig. 19 is a cross-sectional view taken along a-a of the illustrated electrical connector assembly shown in fig. 1.
[ description of main reference symbols ]
Electrical connector assembly 1 circuit board 100
First row conductive sheet 101 and second row conductive sheet 102
Grounding conductive sheet 111 signal conductive sheet 141
Lower through groove 241 of bottom wall 24
First mount 51 first row of terminals 60
Low speed terminal set 601 and high speed terminal set 603
Ground main body portion 615 ground contact portion 613
Recesses 618 open holes 616, 617, 620
Second row of terminals 70 signal body portions 645
Grounded horizontal portion 651 grounded vertical portion 652
Signal vertical portion 655 signal bend portion 656
The signal body portion 745 ground contact portion 713
Grounded horizontal portion 751 of grounded tail 711
Grounding bent portion 753 of grounding main body portion 715
Grounded vertical part 752
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
[ detailed description ] embodiments
As shown in fig. 1 to 19, an electrical connector assembly 1 according to the present invention includes an external circuit board 100 and an electrical connector 200 surface-mounted on the external circuit board 100.
The external circuit board 100 includes a plurality of conductive sheets 10 arranged at intervals in a transverse direction. The electrical connector 200 is surface-mounted on the conductive sheet 10 of the external circuit board 100 in the up-down direction perpendicular to the transverse direction. The electrical connector 200 is configured to allow a mating plate (not shown) of the mating connector (not shown) to be inserted and mated along an insertion direction perpendicular to the transverse direction and the up-down direction.
The electrical connector 200 includes an insulating housing 20 and a plurality of terminals 40 accommodated in the insulating housing 20, wherein the insulating housing 20 is provided with a docking slot 21 into which the docking plate is inserted from the front to the rear, a mounting opening (not shown) communicating with the docking slot 21 and allowing the terminals 40 to be mounted from the rear to the front, a top wall 23 disposed on the upper side of the docking slot 21, a bottom wall 24 disposed on the lower portion of the docking slot 21 and parallel to the top wall 23, and two side walls 25 connecting the top wall 23 and the bottom wall 24. The top wall 23 is provided with a plurality of upper through grooves 231 penetrating through the top wall 23 in the up-down direction, and the bottom wall 24 is provided with a plurality of lower through grooves 241 penetrating through the bottom wall 24 in the up-down direction. The terminals 40 include a first row of terminals 60 aligned in one row along the transverse direction and a second row of terminals 70 aligned in another row along the transverse direction. The first row of terminals 60 and the second row of terminals 70 are spaced apart in the vertical direction. The first row of terminals 60 is disposed at an upper side of the docking slot 21, and the second row of terminals 70 is disposed at a lower side of the docking slot 21. When the docking plate is inserted into the docking slot 21, the first row of terminals 60 may be elastically deformed upward, and the second row of terminals 70 may be elastically deformed downward. The first row of terminals 60 and the second row of terminals 70 are clampingly engageable with the docking plate within the docking slot 21.
The electrical connector 200 further includes a first fixing member 51 fixing the first row of terminals 60. The first fixing member 51 is integrally formed with the first row of terminals 60, thereby fixing the first row of terminals 60 as a single body. The first row of terminals 60 includes a low-speed terminal group 601 and high-speed terminal groups 603 disposed on both sides of the low-speed terminal group 601.
Each of the high-speed terminal sets 603 includes at least one pair of ground terminals 61 and a pair of signal terminals 64 disposed between the pair of ground terminals 61 and capable of transmitting differential signals. In the present invention, each of the high-speed terminal sets 603 includes two pairs of signal terminals 64 capable of transmitting differential signals and ground terminals 61 spaced apart from the two pairs of signal terminals 64. The signal terminals 64 and the ground terminals 61 are arranged in a pattern of ground-signal-ground. Each of the signal terminals 64 includes a signal tail 641 surface-mounted to the corresponding conductive sheet 10, a signal contact 643 mating with a mating board of a mating connector, and a signal body 645 connecting the signal tail 641 and the signal contact 643. Each of the ground terminals 61 includes a ground tail portion 611 for surface mounting with the corresponding conductive sheet 10, a ground contact portion 613 for mating with a mating plate of a mating connector, and a ground body portion 615 for connecting the ground tail portion 611 and the ground contact portion 613.
Each of the ground body parts 615 includes a ground horizontal part 651 parallel to the insertion direction, a ground vertical part 652 extending in the up-down direction, and a ground bent part 653 connecting the ground horizontal part 651 and the ground vertical part 652. The grounded horizontal portion 651 is perpendicular to the grounded vertical portion 652. The ground horizontal portion 651 is connected to the ground contact portion 613, and the ground vertical portion 652 is connected to the ground tail portion 611. The ground vertical portion 652 and the ground tail 611 are disposed perpendicular to each other.
Each of the signal body portions 645 includes a signal horizontal portion 654 parallel to the insertion direction, a signal vertical portion 655 extending in the up-down direction, and a signal bent portion 656 connecting the signal horizontal portion 654 and the signal vertical portion 655. The signal horizontal portion 654 is perpendicular to the signal vertical portion 655. The signal horizontal portion 654 is connected to the signal contact 643, and the signal vertical portion 655 is connected to the signal tail 641. The signal vertical portion 655 and the signal tail 641 are disposed perpendicular to each other.
The ground horizontal portion 651 and the signal horizontal portion 654 are aligned in the lateral direction. The ground vertical portion 652 and the signal vertical portion 655 are aligned in the lateral direction. The first fixing member 51 may be disposed at any portion of the signal main body portion 645 and the ground main body portion 615.
The width of the ground tail portion 611 in the transverse direction is greater than the width of the signal tail portion 641 in the transverse direction. Specifically, in the present invention, the width of the ground tail 611 is at least twice the width of the signal tail 641. The width of the ground body portion 615 is greater than the width of the signal body portion 645. Further, the width of the ground body portion 615 is at least twice the width of the signal body portion 645. The distance between the center line C1 of the ground tail 611 and the center line C2 of the signal tail 641 adjacent thereto is a first distance D1. The second distance D2 is a distance between the center line C2 of one signal tail 641 and the center line C2 of the other signal tail 641 of the pair of signal terminals 64. The first distance D1 is greater than the second distance D2. In the present invention, the first distance is 0.9mm, and the second distance is 0.6 mm. The center line C1 of the ground tail 611 refers to the center line of the ground tail 611 in the transverse direction, and the center line C2 of the signal tail 641 refers to the center line of the signal tail 641 in the transverse direction. A distance between the center line C3 of the ground contact 613 and the center line C4 of the signal contact 643 adjacent thereto is a third distance D3. The distance from the center line C4 of one signal contact of the pair of signal terminals 64 to the center line C4 of the other signal contact 643 is a fourth center distance D4. The third center-to-center distance D3 is equal to the fourth center-to-center distance D4. Specifically, the third center distance D3 and the fourth center distance D4 are both 0.8 mm. In the present invention, the center line C3 of the ground contact 613 is a center line of the ground contact 613 in the transverse direction. The center line C4 of the signal contact 643 refers to a center line of the signal contact 643 in the transverse direction.
The second row of terminals 70 is arranged substantially the same as the first row of terminals 60, but has smaller overall dimensions than the first row of terminals 60. The second row of terminals 70 also includes a low-speed terminal set and high-speed terminal sets disposed on both sides of the low-speed terminal set. Each of the high-speed terminal groups includes two pairs of signal terminals 74 and a ground terminal 71 spaced apart from the two pairs of signal terminals 74. Each of the signal terminals 74 includes a signal tail portion 741 surface-mounted to the corresponding conductive sheet 10, a signal contact portion 743 engaged with a mating board of a mating connector, and a signal body portion 745 connecting the signal tail portion 741 and the signal contact portion 743. Each of the ground terminals 71 includes a ground tail portion 711 surface-mounted to the corresponding conductive sheet 10, a ground contact portion 713 fitted to the mating plate of the mating connector, and a ground body portion 715 connecting the ground tail portion 711 and the ground contact portion 713. Each of the ground body parts 715 includes a ground horizontal part 751 parallel to the insertion direction, a ground vertical part 752 extending in the up-down direction, and a ground bent part 753 connecting the ground horizontal part 751 and the ground vertical part 752. The signal body portion also has corresponding horizontal and vertical portions, substantially identical to the arrangement of the first row of terminals 60, and will not be described further herein.
The second row of terminals 70 is offset in the transverse direction relative to the first row of terminals 60. Specifically, the signal contact portions 743 of the signal terminals 74 of the second row of terminals 70 are offset from the corresponding signal contact portions 643 of the first row of terminals 60 by a first dimension T1 in the transverse direction. The signal tail portions 741 of the signal terminals 74 of the second row of terminals 70 are offset from the corresponding signal tail portions 641 of the first row of terminals 60 by a second dimension T2 in the transverse direction. The first dimension T1 is different from the second dimension T2. In the present invention, the first dimension is 0.4mm, and the second dimension is 0.3 mm. In other embodiments, the first dimension T1 may also be equal to the second dimension T2 and all be 0.4 mm.
In the present invention, both outermost terminals in the transverse direction of the first row of terminals 60 and the second row of terminals 70 are ground terminals. The width of the ground tail portion of the ground terminal is greater than the width of the signal tail portion of the signal terminal, so that the terminal is soldered on the circuit board 100 more firmly and mechanically.
The conductive sheet 10 includes a first row of conductive sheets 101 corresponding to the first row of terminals 60 and a second row of conductive sheets 102 corresponding to the second row of terminals 70. The first row of conductive strips 101 includes low-speed region conductive strips corresponding to the low-speed terminal group 601 and high-speed region conductive strips corresponding to the high-speed terminal group 603. The high-speed region conductive strips include signal conductive strips 141 corresponding to the signal tails 641 of the signal terminals 64 and ground conductive strips 111 corresponding to the ground tails 611 of the ground terminals 61. The spacing W1 between the signal conductive plate 141 and the ground conductive plate 111 adjacent thereto is equal to the spacing W2 between the signal conductive plates 141 corresponding to a pair of signal terminals 64. The pitches W1 and W2 referred to herein refer to the edge-to-edge distance between adjacent sides of two adjacent terminals. The second row conductive sheet 102 is provided identically to the first row conductive sheet 101, and will not be further described here.
Referring to fig. 6-8, a first embodiment of the electrical connector assembly 1 of the present invention is shown. In this embodiment, each pair of signal conductive strips 141 is provided with one grounding conductive strip 111 on each side in the transverse direction, and the width of each grounding conductive strip 111 in the transverse direction is greater than the width of one signal conductive strip 141 in the transverse direction. The ground tail 611 of one of the ground terminals 61 is surface-mounted to only one of the corresponding ground conductive strips 111.
As shown in fig. 9-10, a second embodiment of the electrical connector assembly 1 of the present invention. Compared with the first embodiment, in this embodiment, the ground tail portion 611 is provided with an opening 616 penetrating along the up-down direction, so that the ground tail portion 611 is surface mounted on the external circuit board 100.
As shown in fig. 11-12, a third embodiment of the electrical connector assembly 1 of the present invention. In the present embodiment, each of the signal conductive sheets 141 is provided with two grounding conductive sheets 111 on each side in the transverse direction. The width of each of the ground conductive strips 111 in the lateral direction is smaller than the width of one of the ground tails 611 in the lateral direction. One of the ground tails 611 may be surface mounted to the two adjacent ground conductive strips 111.
As shown in fig. 13-14, a fourth embodiment of the electrical connector assembly 1 of the present invention. In this embodiment, compared to the third embodiment, the ground tail 611 has an opening 617 penetrating in the vertical direction. The number of the openings 617 may be set to one or more.
A fifth embodiment of the electrical connector assembly of the present invention is shown in fig. 15-16. Compared with the fourth embodiment, in this embodiment, the ground tail 611 is provided with a recess 618 recessed in a direction away from the two adjacent ground conductive sheets 111 at a position between the two adjacent ground conductive sheets 111.
As shown in fig. 17-18, is a sixth embodiment of the electrical connector assembly of the present invention. Compared with the fifth embodiment, in this embodiment, the ground tail 611 is provided with a recess 618 recessed in a direction away from the two adjacent ground conductive sheets 111 at a position between the two adjacent ground conductive sheets 111, and the recess 619 is provided with an opening 620 penetrating in the up-down direction. The number of the openings 620 may be set to one or more
The width of the ground tail portions 611, 711 of the ground terminals 61, 71 of the electrical connector 200 and the assembly thereof in the transverse direction is greater than the width of the signal tail portions 641, 741 of the signal terminals 64, 74 in the transverse direction, so that the ground terminals can better shield and protect the signal terminals, and thus the electrical connector 200 and the assembly thereof have good electrical performance and the signal transmission rate of the electrical connector and the assembly thereof is improved. The electrical connector 200 shown in the present invention conforms to the transmission interface of a QSFP, which defines 8 transmit channels and 8 receive channels, and the signal transmission rate of each channel can reach 112 Gbps. Of course, the transmission rate of the present invention is not limited to 112Gbps, and may be applied to transmission with a higher rate or a lower rate of signals. The present invention may also be applied to electrical connectors such as SFP-DD, SFP, QSFP-DD, and the like.
The above description is only a part of the embodiments of the present invention, and not all embodiments, and any equivalent variations of the technical solutions of the present invention, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present invention.
Claims (10)
1. An electric connector is provided, which can be used for the butt joint plate of the butt joint connector to be inserted and matched along the insertion direction and can be surface-mounted with a plurality of conducting strips on an external circuit board along the vertical up-down direction vertical to the insertion direction, the electric connector comprises an insulating body and a plurality of terminals contained in the insulating body, the terminals comprise a first row of terminals which are arranged into a row at intervals along the vertical direction vertical to the insertion direction and the horizontal direction of the up-down direction, the first row of terminals comprise a pair of signal terminals capable of transmitting differential signals and grounding terminals arranged on one side of the pair of signal terminals, each signal terminal comprises a signal tail part surface-mounted with the corresponding conducting strip, a signal contact part matched with the circuit board of the butt joint connector and a signal main body part connected with the signal tail part and the signal contact part, and each grounding terminal comprises a grounding tail part surface-mounted with the corresponding conducting strip, With butt joint connector's circuit board matched with ground connection contact site and connect ground connection afterbody with the ground connection main part of ground connection contact site, its characterized in that: the width of the ground tail portion in the lateral direction is greater than the width of the signal tail portion in the lateral direction.
2. The electrical connector of claim 1, wherein: one of the ground tails may be surface mounted to two adjacent ones of the conductive strips.
3. The electrical connector of claim 2, wherein: the grounding tail part is provided with an opening which penetrates along the vertical direction, or a sunken part which is sunken towards the direction far away from the conducting strips is arranged at the position between the adjacent conducting strips, and the sunken part is provided with an opening which penetrates along the vertical direction.
4. The electrical connector of claim 2, wherein: the width of the ground tail is at least twice the width of the signal tail.
5. The electrical connector of claim 1, wherein: a first distance between a center line of the ground tail portion and a center line of the signal tail portion adjacent thereto is greater than a second distance between center lines of the signal tail portions of the pair of signal terminals, the first distance being 0.9mm, the second distance being 0.6 mm.
6. The electrical connector of claim 1, wherein: and a third distance between the center line of the ground contact part and the center line of the signal contact part adjacent to the ground contact part is equal to a fourth center distance between the center lines of the signal contact parts of the pair of signal terminals, and the third center distance and the fourth center distance are 0.8 mm.
7. The electrical connector of claim 1, wherein: the terminal includes along transverse direction arrange and with first row of terminal the second row of terminal that the upper and lower direction interval set up, insulator is equipped with and supplies butt joint board male butt joint slot and with the communicating confession of butt joint slot the terminal is from the installing port of back forward installation, first row of terminal sets up one side of butt joint slot, the setting of second row terminal is in the opposite side of butt joint slot, first row of terminal and second row terminal be in the butt joint slot can with the cooperation of butt joint board centre gripping.
8. The electrical connector of claim 7, wherein: the second row of terminals comprises a pair of signal terminals, each signal terminal of the second row of terminals comprises a signal tail part which is attached to the surface of the corresponding conducting strip, a signal contact part which is matched with a circuit board of the butting connector and a signal main body part which is connected with the signal tail part and the signal contact part, the signal contact parts of the signal terminals of the second row of terminals and the signal contact parts of the corresponding first row of terminals are deviated by a first size in the transverse direction, the signal tail parts of the signal terminals of the second row of terminals and the signal tail parts of the corresponding first row of terminals are deviated by a second size in the transverse direction, the first size is different from the second size, the first size is 0.4mm, and the second size is 0.3 mm.
9. An electric connector assembly comprises an external circuit board with a plurality of conducting strips arranged at intervals along the transverse direction and an electric connector which is arranged on the conducting strips in a surface-mounted mode along the vertical direction, wherein the electric connector comprises an insulating body and a first row of terminals which are contained in the insulating body and arranged along the transverse direction, the first row of terminals comprise at least one pair of grounding terminals and a pair of signal terminals which are arranged between the pair of grounding terminals and can transmit differential signals, each signal terminal comprises a signal tail part which is correspondingly arranged on the surface of the conducting strip in a surface-mounted mode, a signal contact part which is matched with a circuit board of a butting connector and a signal main body part which is connected with the signal tail part and the signal contact part, and each grounding terminal comprises a grounding tail part which is correspondingly arranged on the surface of the conducting strip in a surface-mounted mode, a grounding contact part which is matched with the circuit board of the butting connector and a grounding tail part which is connected with the grounding tail part and the grounding tail part The grounding main body part of the contact part is characterized in that: the width of the ground tail portion in the lateral direction is greater than the width of the signal tail portion in the lateral direction.
10. The electrical connector assembly of claim 9, wherein: one of the ground tail surfaces is attached to one of the conductive sheet surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110451570.2A CN113258333A (en) | 2021-04-26 | 2021-04-26 | Electric connector and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110451570.2A CN113258333A (en) | 2021-04-26 | 2021-04-26 | Electric connector and assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113258333A true CN113258333A (en) | 2021-08-13 |
Family
ID=77221638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110451570.2A Pending CN113258333A (en) | 2021-04-26 | 2021-04-26 | Electric connector and assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113258333A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115189160A (en) * | 2022-06-01 | 2022-10-14 | 超聚变数字技术有限公司 | Connector and electronic device |
-
2021
- 2021-04-26 CN CN202110451570.2A patent/CN113258333A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115189160A (en) * | 2022-06-01 | 2022-10-14 | 超聚变数字技术有限公司 | Connector and electronic device |
| CN115189160B (en) * | 2022-06-01 | 2023-09-01 | 超聚变数字技术有限公司 | Connector and electronic device |
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