CN110459887B - Printed board assembly and differential connector and shielding buckle plate thereof - Google Patents
Printed board assembly and differential connector and shielding buckle plate thereof Download PDFInfo
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- CN110459887B CN110459887B CN201811570798.8A CN201811570798A CN110459887B CN 110459887 B CN110459887 B CN 110459887B CN 201811570798 A CN201811570798 A CN 201811570798A CN 110459887 B CN110459887 B CN 110459887B
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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
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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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
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a printed board assembly, a differential connector and a shielding buckle plate thereof, wherein the shielding buckle plate comprises a board body, the board body is provided with an avoiding hole for avoiding a differential signal pair and allowing pins of the differential signal pair to extend out, and is also provided with a contact part for contacting and conducting with a shielding needle on a shielding sheet, the board body is also provided with a containing groove for containing a bonding pad of the printed board at the orifice edge of the avoiding hole so as to enable the bonding pad to be jointed and pressed with the differential signal pair, thereby realizing full shielding of each differential signal pair, reducing leakage of magnetic field energy and reducing external signal interference, pins of the differential signal pair on the connector can extend out of the avoiding hole to be connected with the printed board, and simultaneously, the printed board can be more jointed with the shielding buckle plate due to the arrangement of the containing groove, the bonding pad on the printed board extends into the containing groove and is better jointed with the differential signal pair together to ensure the pressing stability and the jointing stability of the printed board and the shielding buckle plate, and the subsequent installation and use are facilitated.
Description
Technical Field
The invention relates to a printed board assembly, a differential connector and a shielding buckle plate thereof.
Background
The printed board assembly in the prior art comprises a printed board and a differential connector welded on the printed board, wherein the differential connector comprises a plurality of signal terminals and grounding pins, the signal terminals are arranged in a differential pair mode, and the corresponding grounding pins are arranged around the outer sides of the corresponding differential signal pairs, so that electromagnetic shielding is provided for the corresponding differential pairs.
As shown in U.S. patent publication No. US2007155241a1, there are a plurality of L-shaped shielding plates arranged in a matrix in a backplane connector, each L-shaped shielding plate is a shielding pin, and the L-shaped shielding plates shield the differential signal pairs surrounded by the L-shaped shielding plates, so as to reduce crosstalk, but the shielding pins are not conductive to each other inside the backplane connector, so that each shielding pin is an independent signal return path, which causes an incomplete return path and is easy to generate resonance, thereby affecting signal transmission in a higher bandwidth.
Disclosure of Invention
The invention aims to provide a differential connector, which aims to solve the problems of incomplete return flow path and resonance generation caused by a shielding mode in the prior art; the invention also aims to provide a shielding buckle plate of the differential connector; the invention also aims to provide a printed board assembly using the differential connector.
In order to achieve the purpose, the technical scheme of the shielding buckle plate is as follows:
the shielding buckle plate comprises a plate body, wherein a avoiding hole used for avoiding the differential signal pair and allowing the pins of the differential signal pair to stretch out is formed in the plate body, a contact part used for being in contact conduction with a shielding needle on a shielding plate is further arranged on the plate body, and a welding pad used for accommodating a printed plate is further arranged at the edge of an orifice of the avoiding hole on the plate body so that the welding pad and the differential signal pair can be attached and connected in a pressing mode.
Further, in order to facilitate the processing design, the avoidance hole is a T-shaped hole, and comprises a large-diameter section at one end and a small-diameter section connected with the large-diameter section, wherein the large-diameter section forms the accommodating groove.
Furthermore, in order to realize the stability of shielding conduction, the plate body is provided with a connecting structure for being fixedly connected with the shielding sheet.
Further, in order to realize the stability of conducting with the fixed connection of shielding piece and assurance shielding, connection structure is including setting up the lug that is used for on the face of board body and the draw-in groove interference card of shielding piece join in marriage.
Further, for the structure is compacter, dodge the hole and have more than two, each dodge the hole interval arrangement on the face of board body, the lug sets up between two adjacent dodge holes.
The technical scheme of the differential connector is as follows:
differential connector, including two at least differential contact module who arranges side by side, differential contact module includes the insulating support body and sets up two at least shielding pieces on the insulating support body, be equipped with differential signal pair installation cavity between two adjacent shielding pieces, be equipped with differential signal pair in the differential signal pair installation cavity, differential connector still include with each differential contact module fixed connection's shielding buckle, the shielding buckle includes the board body, be equipped with on the board body and be used for dodging the hole of dodging that dodges that differential signal pair and supply differential signal pair's pin stretches out, still be equipped with the contact site that switches on with the shielding needle contact on the shielding piece, still be equipped with the pad that is used for holding the printing board in the drill way border department of dodging the hole on the board body so that the holding tank of pad and differential signal pair laminating crimping.
Further, in order to facilitate the processing design, the avoidance hole is a T-shaped hole, and comprises a large-diameter section at one end and a small-diameter section connected with the large-diameter section, wherein the large-diameter section forms the accommodating groove.
Furthermore, in order to realize the stability of shielding conduction, the plate body is provided with a connecting structure fixedly connected with the shielding sheet.
Further, in order to realize the fixed connection with the shielding piece and guarantee the stability that the shielding switched on, be equipped with the draw-in groove on the shielding piece, connection structure is including setting up on the face of board body and with the lug of draw-in groove interference card cooperation.
Further, for the structure is compacter, dodge the hole and have more than two, each dodge the hole interval arrangement on the face of board body, the lug sets up between two adjacent dodge holes.
The technical scheme of the printed board assembly is as follows:
the printed board assembly comprises a printed board and a differential connector connected to the printed board, wherein the differential connector comprises at least two differential contact modules arranged side by side, each differential contact module comprises an insulating support body and at least two shielding sheets arranged on the insulating support body, a differential signal pair installation cavity is arranged between every two adjacent shielding sheets, a differential signal pair is arranged in each differential signal pair installation cavity, the printed board is provided with a bonding pad matched with the differential signal pair in a compression joint mode to realize welding fixation, the differential connector also comprises a shielding buckle plate fixedly connected with each differential contact module, each shielding buckle plate comprises a board body, each board body is provided with an avoidance hole used for avoiding the differential signal pair and allowing pins of the differential signal pair to extend out, and a contact part in contact conduction with a shielding pin on each shielding sheet is further arranged, the board body still is equipped with the holding tank that holds the pad so that pad and differential signal pair laminating crimping on dodging the drill way border department of hole.
Further, in order to facilitate the processing design, the avoidance hole is a T-shaped hole, and comprises a large-diameter section at one end and a small-diameter section connected with the large-diameter section, wherein the large-diameter section forms the accommodating groove.
Furthermore, in order to realize the stability of shielding conduction, the plate body is provided with a connecting structure fixedly connected with the shielding sheet.
Further, in order to realize the fixed connection with the shielding piece and guarantee the stability that the shielding switched on, be equipped with the draw-in groove on the shielding piece, connection structure is including setting up on the face of board body and with the lug of draw-in groove interference card cooperation.
Further, for the structure is compacter, dodge the hole and have more than two, each dodge the hole interval arrangement on the face of board body, the lug sets up between two adjacent dodge holes.
The invention has the beneficial effects that: compared with the prior art, the differential connector provided by the invention has the advantages that the shielding buckle plates are conducted with the shielding sheets of the differential contact modules, so that the shielding sheets are connected in series with each other through the shielding buckle plates, the full shielding of each differential signal pair is realized, the leakage of magnetic field energy is reduced, and the external signal interference is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a differential connector according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the shield clip of FIG. 1;
FIG. 3 is a schematic view of the assembly structure of the shielding buckle and the shielding plate in FIG. 1;
FIG. 4 is a schematic view of the assembled structure of the shield buckle and the differential pair contact unit in FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a cross-sectional view of fig. 4.
Description of reference numerals: 1-an electrically conductive housing part; 2-differential pair contact module; 3-shielding buckle plate; 4-a shielding sheet; 5-differential signal pair; 6-an insulating support; 31-a plate body; 32-avoiding holes; 33-perforating; 34-a positioning block; 35-a bump; 36-a holding tank; 41-shielding needle; 42-card slot; 61-positioning groove.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
A differential connector 1 according to the present invention, as shown in fig. 1 to 6, includes a conductive housing member 1, a plurality of differential pair contact modules 2 attached side by side are disposed in the conductive housing member 1, each differential pair contact module 2 includes an insulating support 6 and a plurality of differential signal pairs 5 disposed on the insulating support 6, each differential signal pair 5 is disposed side by side along an up-down direction, shielding plates 4 are disposed between two adjacent differential signal pairs 5 and outside the outermost differential signal pair 5, each shielding plate 4 has a shielding pin 41, the shielding pin 41 is defined to be located at a front side of the shielding plate 4 and extend back and forth, that is, a differential pair mounting cavity is formed between two adjacent shielding plates 4, a differential signal pair 5 is disposed in the differential pair mounting cavity, in this embodiment, the differential pair contact modules 2 are connected together by a connecting member, and the front end of the shielding sheet 4 is connected with a shielding buckle plate 3. The shielding pinch plate 3 and each shielding sheet 4 form a differential pair shielding structure for forming annular shielding for the differential pair.
For the shielding buckle 3, in this embodiment, the shielding buckle 3 includes a board body 31, an avoiding hole 32 for avoiding the differential signal pair 5 is formed in the board body 31 by extending through the front and rear board surfaces, and in an actual assembly process, when the shielding buckle 3 is buckled on the front end of the shielding plate 4, the differential signal pair 5 passes through the avoiding hole 32 and is connected with the corresponding printed board. Certainly, in this embodiment, the arrangement of the avoiding hole 32 also forms an annular shield for the differential signal pair 5 in the avoiding hole 32, so as to realize stable transmission of signals, reduce leakage of magnetic field energy, and reduce interference of external signals.
The plate body 31 is further provided with a contact portion which is in contact with the contact of the shield plate 4 to achieve conduction, and the contact portion is mainly arranged to achieve series conduction of the shield plates 4 on the peripheral sides of the differential signal pairs 5, thereby achieving full shielding of the differential signal pairs 5. In this embodiment, the plate body 31 and the shielding plate 4 are respectively provided with a clamping groove 42 and a projection 35 which is in interference fit with the clamping groove 42 to realize the fixed connection between the two, so that the design can realize the fixation of the relative position between the shielding buckle plate 3 and the shielding plate 4, and the stability of shielding conduction is ensured. In this embodiment, the shielding plate 4 is provided with a U-shaped groove concavely towards the rear side, the U-shaped groove forms a clamping groove 42, and the shielding buckle 3 is correspondingly provided with a projection 35 which is in interference fit with the U-shaped groove. The shielding buckle plate is convenient to design and manufacture, a complete shielding cavity is formed between the shielding buckle plate 3 and the shielding sheet 4, magnetic field energy leakage is reduced, and external signal interference is reduced. In the present embodiment, in order to further simplify the structural design, the connection stability of the shield pinch plate 3 and the shield plate 4 at each position is improved. The number of the avoiding holes 32 is two or more, each avoiding hole 32 is arranged on the plate surface of the plate body 31 at intervals, the clamping groove 42 is arranged between two adjacent differential pair mounting cavities, and the corresponding position between two adjacent avoiding holes 32 on the corresponding plate body 31 is provided with the lug 35. This enables a relatively fixed connection to the shield plate 4 by avoiding the position on the circumferential side of the hole 32.
Meanwhile, in the embodiment, the contact portion is disposed on the bump 35, so that the structure of the integral shielding buckle 3 is more compact and the integration is higher. The plate body 31 is provided with a through hole 33 into which the shielding needle 41 of the shielding plate 4 extends, the hole wall of the through hole 33 forms the contact part, a radially extending piercing edge is correspondingly arranged on the peripheral side of the shielding needle 41 of the shielding plate 4, when the shielding needle 41 extends into the through hole 33, the piercing edge pierces the inner wall of the through hole 33 and is tightly contacted with the through hole 33, so that shielding conduction between the shielding plate 4 and the shielding buckle plate 3 is realized, and the conduction form structure is relatively stable and has higher reliability.
Still be equipped with the constant head tank 61 that is used for fixing a position shielding buckle 3 on the insulating support body 6, only can't realize the accurate positioning of shielding buckle 3's position through lug 35 and draw-in groove 42 block fit on the shielding buckle 3, consequently there is foretell constant head tank 61 on insulating support body 6, the corresponding locating piece 34 of pegging graft with constant head tank 61 adaptation location is equipped with on the board body 31 of shielding buckle 3, in this embodiment, adjust well in order to realize automatic guiding, foretell constant head tank 61 is the dovetail groove, the dovetail groove is the flaring structure, the locating piece 34 that corresponds is the trapezoidal piece that matches with the dovetail groove structure, the direction of realizing locating piece 34 through the both sides waist of dovetail groove is inserted. Meanwhile, the through holes 33 are located on two sides of the avoidance hole 32 opposite to each other in the width direction (i.e., in the up-down direction), and the corresponding positioning blocks 34 are located on two sides of the avoidance hole 32 opposite to each other in the length direction, so that the shielding buckle plate 3 can be stably and accurately fastened and fixed on the shielding plate 4.
Further, in this embodiment, the front end pin of the differential signal pair 5 needs to be welded on the printed board, in this embodiment, an accommodating groove 36 for accommodating a pad of the printed board is provided on the front plate surface of the shielding buckle plate 3, and the avoiding hole 32 is provided in the center of the bottom of the accommodating groove 36, so that the pad of the printed board can extend into the insulating body of the differential signal pair 5 to be oppositely attached and pressed, and the reliability of pressing connection is improved. The avoiding hole 32 is a T-shaped hole in the present embodiment, and includes a large diameter section and a small diameter section connected to the large diameter section, wherein the accommodating groove 36 is formed by the large diameter section of the avoiding hole 32. Meanwhile, the section of the large-diameter section is of a rectangular surface structure matched with the bonding pad.
In this embodiment, the shielding buckle 3 may be made of a metal material or a plastic plating material to achieve shielding conduction stability. Meanwhile, in the present embodiment, there are a plurality of the avoiding holes 32, and the corresponding avoiding holes 32 are arranged in an array along the up-down direction and the left-right direction on the plate surface of the plate body. This is accompanied by a staggered arrangement of the clearance holes 32 of two adjacent columns.
The embodiment 1 described above is an optimized implementation of the differential connector of the present invention, and in other embodiments, the structure thereof may be optimized and simplified according to actual needs.
In embodiment 2 of the differential connector of the present invention, in this embodiment, a structure of the differential connector is simplified, and specifically, the differential connector includes at least two differential contact modules arranged side by side, where the differential contact module includes an insulating support and at least two shielding plates disposed on the insulating support, a differential signal pair mounting cavity is disposed between two adjacent shielding plates, and a differential signal pair is disposed in the differential signal pair mounting cavity, and the differential connector is characterized in that: the differential connector still includes the shielding buckle with each differential contact module fixed connection, and the shielding buckle includes the board body, is equipped with on the board body to be used for dodging the differential signal pair and supplying the hole of dodging that the pin of differential signal pair stretches out, still is equipped with the contact site that switches on with the shielding needle contact on the shielding piece, still be equipped with the holding tank that is used for holding the pad of printing board so that pad and differential signal pair laminating crimping in the drill way border department of dodging the hole on the board body.
Through switching on shielding buckle and each difference contact module's shielding piece, thereby make each shielding piece all establish ties each other through the shielding buckle, realize the full shield to each differential signal pair, reduce magnetic field energy and leak, reduce external signal interference, and simultaneously, through the holding tank that sets up on the board body, when being connected connector and printing board, the pin of differential signal pair on the connector can stretch out and dodge the hole and be connected with the printing board, simultaneously because the setting of holding tank can make printing board and shielding buckle laminate more, the pad on the printing board stretches into to the holding tank in, with differential signal to better laminating together, guarantee the crimping stability and the laminating stability of the two, subsequent installation and use of being convenient for.
In embodiment 3 of the differential connector according to the present invention, as a further optimization of embodiment 2, the avoiding hole is a T-shaped hole, and includes a large-diameter section at one end and a small-diameter section connected to the large-diameter section, the large-diameter section forms the accommodating groove, the structure is relatively simple, and the processing is convenient, and of course, in other embodiments, an accommodating through groove penetrating through both ends may be provided on the plate body, and the avoiding hole may be provided on a bottom wall of the through groove.
In embodiment 4 of the differential connector according to the present invention, as a further improvement to embodiment 2 or 3, the plate body is provided with a connecting structure fixedly connected to the shield plate. The fixed connection between the shielding buckle plate and the shielding sheet is realized, the stability of shielding signal conduction is ensured, and the shielding buckle plate and the insulator of the differential contact module can be directly fixed relatively in other embodiments.
In embodiment 5 of the differential connector of the present invention, as a further optimization of embodiment 4, the shielding plate is provided with a clamping groove, the connection structure includes a protrusion which is arranged on the plate surface of the plate body and is in interference fit with the clamping groove, and the clamping groove and the protrusion which are respectively arranged on the shielding plate and the shielding buckle plate are in interference fit with each other, so that the relative position between the shielding buckle plate and the shielding plate is ensured to be fixed, and the shielding stability of the full shielding structure is further ensured. Of course, in other embodiments, the fixed connection between the two can also be realized through the matching structure of the latch claw and the latch groove.
In embodiment 6 of the differential connector according to the present invention, as a further optimization of embodiment 5, there are more than two avoidance holes, each avoidance hole is arranged at an interval on the board surface of the board body, and the bump is disposed between two adjacent avoidance holes. Set up the lug through adjacent two between dodging the hole, convenient design guarantees overall structure's stable connection, makes things convenient for the application of force to close the dismouting simultaneously. Of course, in other embodiments, a card slot may be disposed on the board body, and a bump may be disposed on the shielding sheet; the convex block is not arranged between two adjacent avoiding holes, the convex block is directly arranged at the corner of the buckle plate, and the clamping groove is arranged on the shielding plate at the corresponding position.
The shield gusset plate according to the embodiment of the present invention has a structure identical to that of the shield gusset plate of any of the embodiments of the differential connector described above, and is not developed in detail.
The printed board assembly comprises a printed board and a differential connector arranged on the printed board, and the structure of the differential connector is consistent with that of any embodiment of the differential connector and is not expanded in detail.
Claims (3)
1. The shielding buckle plate is characterized in that: the shielding plate comprises a plate body, wherein the plate body is provided with avoidance holes for avoiding differential signal pairs and allowing pins of the differential signal pairs to extend out, and is also provided with contact parts for contacting and conducting with shielding pins on shielding plates, the number of the avoidance holes is more than two, the avoidance holes are arranged on the plate surface of the plate body at intervals, and the plate body is also provided with accommodating grooves for accommodating bonding pads of a printed board at the orifice edges of the avoidance holes so that the bonding pads are attached and crimped with the differential signal pairs; the avoiding hole is a T-shaped hole and comprises a large-diameter section at one end and a small-diameter section connected with the large-diameter section, and the large-diameter section forms the accommodating groove; the plate body is provided with through holes for the shielding needles of the shielding sheets to extend into, the through holes and the avoidance holes are alternately arranged at intervals in the length direction and the width direction of the plate body, and the hole walls of the through holes form the contact parts; the plate body is provided with a connecting structure for fixedly connecting with the shielding sheet, the connecting structure comprises a convex block which is arranged on the plate surface of the plate body and used for interference fit with a clamping groove on the shielding sheet, the contact part is arranged on the convex block, and the convex block is arranged between two adjacent avoidance holes; the plate body is provided with a positioning block which is matched, positioned and inserted with the positioning groove on the insulating support body of the differential contact module, and the positioning block is positioned on one side of the plate body, which is far away from the accommodating groove, and protrudes out of the plate body; the through holes are located on two sides of the avoidance hole, which are opposite to each other in the width direction, the positioning blocks are located on two sides of the avoidance hole, which are opposite to each other in the length direction, and a complete shielding cavity is formed between the shielding buckle plate and the shielding sheet.
2. Differential connector, including at least two differential contact module of arranging side by side, differential contact module includes the insulating support body and sets up two at least shielding pieces on the insulating support body, is equipped with differential signal pair installation cavity between two adjacent shielding pieces, and differential signal is equipped with differential signal pair, its characterized in that in the differential signal pair installation cavity: the differential connector further comprises a shielding pinch plate fixedly connected with each differential contact module, the shielding pinch plate comprises a plate body, the plate body is provided with avoidance holes used for avoiding the differential signal pairs and allowing pins of the differential signal pairs to extend out, the shielding pinch plate is also provided with contact parts in contact conduction with shielding pins on the shielding sheet, the number of the avoidance holes is more than two, the avoidance holes are arranged on the plate surface of the plate body at intervals, and the plate body is also provided with accommodating grooves used for accommodating bonding pads of a printed board at the edge of orifices of the avoidance holes so that the bonding pads are in compression joint with the differential signal pairs; the plate body is provided with through holes for the shielding needles of the shielding sheets to extend into, the through holes and the avoidance holes are alternately arranged at intervals in the length direction and the width direction of the plate body, and the hole walls of the through holes form the contact parts; the avoiding hole is a T-shaped hole and comprises a large-diameter section at one end and a small-diameter section connected with the large-diameter section, and the large-diameter section forms the accommodating groove; the board body is provided with a connecting structure fixedly connected with the shielding sheet, the shielding sheet is provided with a clamping groove, the connecting structure comprises a convex block which is arranged on the board surface of the board body and is in interference fit with the clamping groove, the contact part is arranged on the convex block, and the convex block is arranged between two adjacent avoidance holes; the insulating support body is provided with a positioning groove for positioning the shielding buckle plate, the plate body is provided with a positioning block which is matched, positioned and spliced with the positioning groove, and the positioning block is positioned on one side of the plate body, which is far away from the accommodating groove, and protrudes out of the plate body; the through holes are located on two sides of the avoidance hole, which are opposite to each other in the width direction, the positioning blocks are located on two sides of the avoidance hole, which are opposite to each other in the length direction, and a complete shielding cavity is formed between the shielding buckle plate and the shielding sheet.
3. Printed board subassembly, including printed board and the difference connector of connection on the printed board, the difference connector includes at least two difference contact module of arranging side by side, and difference contact module includes insulating support body and sets up two at least shielding pieces on insulating support body, is equipped with differential signal pair installation cavity between two adjacent shielding pieces, and differential signal is equipped with differential signal pair in to the installation cavity, and the printed board has and realizes welded fastening's pad, its characterized in that with differential signal pair crimping cooperation: the differential connector further comprises a shielding buckle fixedly connected with each differential contact module, the shielding buckle comprises a board body, the board body is provided with avoidance holes for avoiding the differential signal pairs and allowing pins of the differential signal pairs to extend out, the shielding buckle is also provided with contact parts in contact conduction with shielding pins on the shielding sheet, the number of the avoidance holes is more than two, the avoidance holes are arranged on the board surface of the board body at intervals, and the edge of an orifice of the avoidance hole on the board body is also provided with an accommodating groove for accommodating a bonding pad so that the bonding pad is in fit and pressure-connected with the differential signal pairs; the avoiding hole is a T-shaped hole and comprises a large-diameter section at one end and a small-diameter section connected with the large-diameter section, and the large-diameter section forms the accommodating groove; the board body is provided with through holes for the shielding needles of the shielding sheets to extend into, the through holes and the avoiding holes are alternately arranged in the length direction and the width direction of the board body at intervals, the hole walls of the through holes form the contact parts, the board body is provided with a connecting structure fixedly connected with the shielding sheets, the shielding sheets are provided with clamping grooves, the connecting structure comprises convex blocks arranged on the board surface of the board body and in interference fit with the clamping grooves, the contact parts are arranged on the convex blocks, and the convex blocks are arranged between two adjacent avoiding holes; the insulating support body is provided with a positioning groove for positioning the shielding buckle plate, the plate body is provided with a positioning block which is matched, positioned and spliced with the positioning groove, and the positioning block is positioned on one side of the plate body, which is far away from the accommodating groove, and protrudes out of the plate body; the through holes are located on two sides of the avoidance hole, which are opposite to each other in the width direction, the positioning blocks are located on two sides of the avoidance hole, which are opposite to each other in the length direction, and a complete shielding cavity is formed between the shielding buckle plate and the shielding sheet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018107150597 | 2018-06-29 | ||
| CN201810715059 | 2018-06-29 |
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| CN110459887A CN110459887A (en) | 2019-11-15 |
| CN110459887B true CN110459887B (en) | 2021-09-03 |
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| CN201811570798.8A Active CN110459887B (en) | 2018-06-29 | 2018-12-21 | Printed board assembly and differential connector and shielding buckle plate thereof |
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| CN112636046B (en) * | 2020-11-30 | 2022-04-22 | 中航光电科技股份有限公司 | Chip of orthogonal connector, orthogonal connector and connector assembly |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572580Y (en) * | 2002-05-21 | 2003-09-10 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| WO2004051809A2 (en) * | 2002-12-04 | 2004-06-17 | Molex Incorporated | High-density connector assembly with tracking ground structure |
| JP2005197163A (en) * | 2004-01-09 | 2005-07-21 | Japan Aviation Electronics Industry Ltd | Connector |
| CN1949597A (en) * | 2005-09-30 | 2007-04-18 | 矢崎总业株式会社 | Onboard connector |
| CN101276966A (en) * | 2007-03-26 | 2008-10-01 | 贵州航天电器股份有限公司 | Overlapping grounding complementary shielding differential pair electric connector |
| CN101335407A (en) * | 2007-06-28 | 2008-12-31 | 贵州航天电器股份有限公司 | High-speed transmission electric connector with indirectly grounded shielding sheet |
| CN102437450A (en) * | 2011-08-23 | 2012-05-02 | 华为技术有限公司 | Connector, fit clearance self-recognition and regulation systems and reliability self-recognition system |
| CN104009303A (en) * | 2013-02-26 | 2014-08-27 | 泰科电子公司 | Grounding structrues for contact modules of connector assemblies |
| CN204304028U (en) * | 2014-12-08 | 2015-04-29 | 欧品电子(昆山)有限公司 | Backboard socket connector |
| CN105284009A (en) * | 2013-02-27 | 2016-01-27 | 莫列斯有限公司 | Compact connector system |
| CN105742854A (en) * | 2014-12-08 | 2016-07-06 | 欧品电子(昆山)有限公司 | Backboard socket connector |
| CN106207569A (en) * | 2016-07-29 | 2016-12-07 | 中航光电科技股份有限公司 | High-speed electrical connectors and signaling module thereof and the forming method of signaling module |
| CN106450853A (en) * | 2015-04-30 | 2017-02-22 | 莫列斯有限公司 | Slice and method for preparing same |
| CN107359479A (en) * | 2017-08-08 | 2017-11-17 | 四川华丰企业集团有限公司 | High-speed signal connector with semi-packing type barricade |
| CN207530119U (en) * | 2017-09-30 | 2018-06-22 | 中航光电科技股份有限公司 | Connector assembly and its back panel connector, differential pair shielding construction |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4211622B2 (en) * | 2004-02-04 | 2009-01-21 | 住友電装株式会社 | Board connector |
| US8366485B2 (en) * | 2009-03-19 | 2013-02-05 | Fci Americas Technology Llc | Electrical connector having ribbed ground plate |
-
2018
- 2018-12-21 CN CN201811570798.8A patent/CN110459887B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572580Y (en) * | 2002-05-21 | 2003-09-10 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| WO2004051809A2 (en) * | 2002-12-04 | 2004-06-17 | Molex Incorporated | High-density connector assembly with tracking ground structure |
| JP2005197163A (en) * | 2004-01-09 | 2005-07-21 | Japan Aviation Electronics Industry Ltd | Connector |
| CN1949597A (en) * | 2005-09-30 | 2007-04-18 | 矢崎总业株式会社 | Onboard connector |
| CN101276966A (en) * | 2007-03-26 | 2008-10-01 | 贵州航天电器股份有限公司 | Overlapping grounding complementary shielding differential pair electric connector |
| CN101335407A (en) * | 2007-06-28 | 2008-12-31 | 贵州航天电器股份有限公司 | High-speed transmission electric connector with indirectly grounded shielding sheet |
| CN102437450A (en) * | 2011-08-23 | 2012-05-02 | 华为技术有限公司 | Connector, fit clearance self-recognition and regulation systems and reliability self-recognition system |
| CN104009303A (en) * | 2013-02-26 | 2014-08-27 | 泰科电子公司 | Grounding structrues for contact modules of connector assemblies |
| CN105284009A (en) * | 2013-02-27 | 2016-01-27 | 莫列斯有限公司 | Compact connector system |
| CN204304028U (en) * | 2014-12-08 | 2015-04-29 | 欧品电子(昆山)有限公司 | Backboard socket connector |
| CN105742854A (en) * | 2014-12-08 | 2016-07-06 | 欧品电子(昆山)有限公司 | Backboard socket connector |
| CN106450853A (en) * | 2015-04-30 | 2017-02-22 | 莫列斯有限公司 | Slice and method for preparing same |
| CN106207569A (en) * | 2016-07-29 | 2016-12-07 | 中航光电科技股份有限公司 | High-speed electrical connectors and signaling module thereof and the forming method of signaling module |
| CN107359479A (en) * | 2017-08-08 | 2017-11-17 | 四川华丰企业集团有限公司 | High-speed signal connector with semi-packing type barricade |
| CN207530119U (en) * | 2017-09-30 | 2018-06-22 | 中航光电科技股份有限公司 | Connector assembly and its back panel connector, differential pair shielding construction |
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