CN109546464B - High-speed differential signal connector - Google Patents
High-speed differential signal connector Download PDFInfo
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- CN109546464B CN109546464B CN201910020355.XA CN201910020355A CN109546464B CN 109546464 B CN109546464 B CN 109546464B CN 201910020355 A CN201910020355 A CN 201910020355A CN 109546464 B CN109546464 B CN 109546464B
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- signal transmission
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- connector
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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]
- H01R13/6581—Shield structure
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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
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
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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
- H01R13/46—Bases; Cases
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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
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
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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]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6588—Shielding material individually surrounding or interposed between mutually spaced contacts with through openings for individual contacts
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The application discloses a high-speed differential signal connector, which comprises a male end connector and a female end connector which are mutually spliced and matched, wherein the female end connector comprises a female end base and a plurality of female end signal transmission modules which are spliced on the female end base in parallel, each female end signal transmission module comprises a module shell, a signal transmission reed and a plastic package module, a plurality of concave cavities are formed in the module shell, the signal transmission reeds are arranged in the concave cavities, and the plastic package module covers the concave cavities and seals the concave cavities so that the signal transmission reeds form a sealed signal channel. In the application, a plurality of concave cavities are arranged on a module shell in the female-end signal transmission module, the cavities are distributed according to the differential routing paths, and the signal transmission reeds are fixed in the concave cavities, so that a closed signal channel is formed, and finally, the concave cavities are distributed on three sides around the transmission differential signals in an electroplating way, so that the mutual interference between differential signal pairs can be reduced.
Description
Technical Field
The application relates to the technical field of connectors, in particular to a high-speed differential signal connector.
Background
In the existing high-speed differential signal connector, the reflow paths around the differential signals in the transmission link are realized by reducing the reflow paths through multipoint connection and through mutual communication among metal shielding pieces, and other structures are required to be assisted for keeping the consistent space between the metals, so that the process is complex and difficult to control.
In the current high-speed differential signal connector, due to the limitation of the structure, crosstalk among signals is serious, differential signals interfere with each other, and finally the transmission effect of the signal connector is affected.
Disclosure of Invention
The application aims to provide a high-speed differential signal connector, which solves the problem that crosstalk is easy to occur between signal pairs due to the structural limitation of a female-end signal transmission module in the conventional high-speed differential signal connector.
In order to solve the technical problems, the application adopts the following technical scheme:
the utility model provides a high-speed differential signal connector, includes male end connector and female end connector of mutual grafting complex, and above-mentioned female end connector includes female end base and a plurality of female end signal transmission module of pegging graft side by side on female end base, and above-mentioned female end signal transmission module includes module shell, signal transmission reed and plastic envelope module, has seted up a plurality of concave cavities on the above-mentioned module shell, and above-mentioned signal transmission reed installs in concave cavity, and above-mentioned plastic envelope module covers on above-mentioned concave cavity and seals concave cavity, makes signal transmission reed form confined signal path.
Preferably, the plastic package modules are in one-to-one correspondence with the concave cavities, the adjacent plastic package modules on the concave cavities are connected into a whole through transverse ribs, and the vicinity of two end parts of the plastic package modules is connected with the transverse ribs.
Preferably, the two transverse ribs at two ends of the plastic package module are arranged in a 90-degree direction, and the module shell is provided with grooves matched with the transverse ribs.
Preferably, a pressing plate is arranged at a side edge of the module shell, which is provided with concave cavities, at intervals, the pressing plate is positioned between the adjacent concave cavities, a square boss is arranged on the pressing plate, and a gap is reserved between a transverse rib close to the pressing plate and the pressing plate.
Preferably, the two signal transmission reeds form differential pairs and are arranged in the same concave cavity, and the two signal transmission reeds in each differential pair are symmetrically arranged.
Preferably, the concave cavities are distributed according to the differential signal routing paths of the signal transmission reeds, and the cavity edges of the concave cavities are spaced from the differential routing edges of the signal transmission reeds.
Preferably, the differential signal wiring path extends from one side of the module case to an adjacent side of the module case, and the contact terminal of the signal transmission reed extends to the outside of the module case.
Preferably, the surface of the module case is covered with a plating layer.
Preferably, the male connector includes a male base and a male signal transmission module inserted in parallel on the male base, and when the male connector and the female connector are inserted, the male signal transmission module and the female signal transmission module are inserted and matched with each other.
Preferably, a metal shielding plate is fixed on each of the female-end signal transmission modules.
Compared with the prior art, the application has the beneficial effects that at least one of the following is adopted:
1. according to the application, the plurality of concave cavities are arranged on the module shell in the female end signal transmission module of the high-speed differential signal connector, the cavities are distributed according to the differential signal wiring paths, and the signal transmission reeds are fixed in the concave cavities, so that a closed signal channel is formed, and finally, the concave cavities are distributed on three sides around the transmitted differential signals in an electroplating way, so that the mutual interference between differential signal pairs can be reduced.
2. The application limits the structure of the plastic package module, and the arrangement of the transverse ribs is used for the convenience of installation on one hand, and on the other hand, the differential pair formed by the signal transmission reeds can be better fixed, so that the signal crosstalk between the differential pairs is further reduced.
3. According to the application, the pressing plate and the square boss are arranged on the module shell, the square boss has elasticity, insufficient contact caused by uneven boss heights in all directions among a plurality of components can be avoided, meanwhile, a gap is reserved between the plastic package module and the pressing plate, and the boss in the direction of the end face of the packaging pressing plate has elasticity.
Drawings
Fig. 1 is a schematic view of the overall structure of the connector of the present application.
Fig. 2 is a schematic structural view of a female connector according to the present application.
Fig. 3 is a schematic structural diagram of a female signal transmission module according to the present application.
Fig. 4 is a schematic structural view of the module case of the present application.
Fig. 5 is a schematic structural view of the signal transmission reed of the present application mounted on a module housing.
Fig. 6 is a schematic structural view of the plastic package module and the transverse ribs of the present application.
Fig. 7 is a schematic structural diagram of a female-end signal transmission module mounting shielding plate according to the present application.
Fig. 8 is a schematic structural diagram of a male end signal transmission module and a metal shielding plate according to the present application.
Fig. 9 is a schematic structural diagram of a male end signal transmission module according to the present application.
Fig. 10 is a schematic structural view of the metal shielding plate of the present application.
Fig. 11 is a schematic structural diagram of a module housing of the male end signal transmission module according to the present application.
Fig. 12 is a schematic diagram of a separation structure of an upper plastic package module and a lower plastic package module according to the present application.
Fig. 13 is a schematic diagram of the overall structure of the metal shield and the signal transmission module according to the present application after being mounted.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to fig. 1 to 5, an overall structure schematic diagram of a high-speed differential signal connector is shown in fig. 1, and the high-speed differential signal connector includes a male connector and a female connector that are mutually inserted and matched, where the female connector includes a female base 400 and a plurality of female signal transmission modules 100 that are inserted and connected to the female base 400 in parallel, so that the high-speed differential signal connector can realize stable signal transmission through the insertion and matching of the male connector and the female connector.
As shown in fig. 2, female-end module fixing grooves 402 for placing female-end signal transmission modules are respectively provided on the female-end base, and inserting grooves 401 for extending differential pairs are also provided in the female-end base 400 along the array, and in the inserting grooves 401, contact terminals of signal transmission reeds of the female-end signal transmission modules are mutually matched with pins of the male-end signal transmission modules in the male-end connector.
The female-end signal transmission module 100 comprises a module shell 101, a signal transmission reed 102 and a plastic package module 103, wherein a plurality of concave cavities 104 are formed in the module shell 101, the signal transmission reed 102 is arranged in the concave cavities 104, and the plastic package module 103 covers the concave cavities 104 and seals the concave cavities 104, so that the signal transmission reed 102 forms a sealed signal channel; for the female-end signal transmission module in the embodiment, through the structure, the concave cavities are plated and distributed on three surfaces around the transmission differential signal, so that interference between differential signal pairs can be reduced.
The surfaces of the module case 101 are covered with plating layers. The electroplated layer can be an electroplated nickel, gold, silver, copper and other conductive metal materials; in addition, the module housing 101 may be made of any suitable material that can make the module housing 101 conductive, such as adding metal fiber and graphite into the module housing; after the surface of the module shell 101 is electroplated, concave cavities are electroplated on three surfaces around the transmission differential signal, so that signal interference between differential signal pairs is shielded; in addition, due to the skin effect of the metal in the signal transmission process, the module housing 101 can be approximately regarded as metal after being electroplated and surrounds the differential signal to serve as a differential signal reflux path, so that interference between the differential signal pair is reduced, and the signal reflux path is shortened.
Fig. 4 shows a schematic structural view of the module case 101, and according to the display of the module case 101, a concave cavity 104 is provided on the surface of the module case 101, and the concave cavity 104 takes a curved groove shape, and the concave cavity 104 extends from one side of the module case 101 toward an adjacent side.
Fig. 5 shows a schematic structural view of the signal transmission reed 102 mounted on the module case 101, and the signal transmission reed 102 is mounted along the direction of the concave cavity 104 when the signal transmission reed 102 is mounted in the concave cavity 104. During installation, the plastic package module 103 is divided into two blocks, each two signal transmission reeds 102 form a differential pair, and one signal transmission reed 102 is installed to cover one plastic package module 103, so that the two signal transmission reeds 102 between the same differential pair form a distance, and are convenient to form fit with the contact pin in the male signal transmission module.
Further, according to another embodiment of the present application, on the basis of the above embodiment, the plastic package modules 103 are in one-to-one correspondence with the concave cavities 104, the plastic package modules 103 on adjacent concave cavities 104 are connected into a whole through transverse ribs 107, and the vicinity of two end portions of the plastic package modules 103 are connected with the transverse ribs 107. To the horizontal muscle 107 on this plastic envelope module 103, all be provided with on each spill cavity 104 with the plastic envelope module of this spill cavity 104 looks adaptation, in order to embody the stability after the structure equipment, consequently link as an organic wholely the plastic envelope module on each spill cavity 104 through horizontal muscle 107 to all be provided with horizontal muscle near the both ends of plastic envelope module 103 and connect fixedly, conveniently stabilize the difference pair that signal transmission reed 102 constitutes and fix, realize the convenience of structure installation and overall structure's steadiness simultaneously.
Further, according to another embodiment of the present application, on the basis of the above embodiment, two transverse ribs 107 at two ends of the plastic package module 103 are disposed in a 90 degree direction, and a groove 108 adapted to the transverse ribs 107 is disposed on the module housing 101. In fig. 6, the connection structure of the plastic package module 103 and the transverse ribs 107 is shown, and as seen from fig. 5, in this embodiment, three plastic package modules 103 are respectively arranged corresponding to three concave cavities 104, the plastic package modules 103 are connected into a whole through two transverse ribs 107 arranged in a 90-degree direction on the plastic package modules 103, and when in installation, only the plastic package modules 103 connected into a whole through the transverse ribs 107 need to be covered on the concave cavities 104 according to corresponding positions, so that the structure is stable and the installation is convenient, and meanwhile, in order to enable the transverse ribs 107 to be attached to the module housing 101 more, grooves 108 matched with the transverse ribs 107 are formed on the module housing 101; in addition, in order to minimize the mutual interference between the differential signal pairs by using all the grooves or concave cavities, it is preferable to set the two transverse ribs 107 on the plastic package module 103 in a 90 degree direction, so as to avoid any slotting to affect the crosstalk between signals.
Further, according to another embodiment of the present application, on the basis of the above embodiment, a pressing plate 109 is disposed at a side edge of the module housing 101 where the concave cavity 104 is formed at intervals, the pressing plate 109 is located between adjacent concave cavities, a square boss 1091 is disposed on the pressing plate, and a gap is formed between a transverse rib 107 near the pressing plate 109 and the pressing plate. Through setting up clamp plate 109 and set up square boss 1091 in the outside of clamp plate 109, square boss 1091 has elasticity, can avoid the contact inadequately that each square boss height is uneven to lead to between a plurality of subassemblies, has the clearance simultaneously between horizontal muscle 107 department on plastic module 103 and clamp plate 109 can guarantee that the square boss of clamp plate terminal surface has elasticity.
Further, for another embodiment of the present application, on the basis of the above embodiment, the two signal transmission reeds 102 are installed in the same concave cavity 104 as each other to form a differential pair, and the two signal transmission reeds 102 in each differential pair are symmetrically arranged. In this embodiment, in order to mate with the pin of the male signal transmission module in the male connector, two signal transmission reeds 102 need to be fixed in the same concave cavity 104, and the two signal transmission reeds 102 form a differential pair for mating with the pin of the male signal transmission module, and the contact terminals of the signal transmission reeds 102 mated with the pin of the male signal transmission module are in opposite wavy bending arrangement and perform signal transmission with the pin of the male signal transmission module.
Further, for another embodiment of the present application, based on the above embodiment, the concave cavity 104 is distributed according to a differential signal routing path of the signal transmission reed 102, and a cavity edge of the concave cavity 104 and a differential routing edge of the signal transmission reed 102 have a space. In this embodiment, the cavities are distributed according to differential paths, so that on one hand, the return paths are shortened as much as possible, and the crosstalk between differential signals is reduced, and on the other hand, the concave cavities are at a certain distance from the differential signals, so as to perform impedance matching better.
Further, for another embodiment of the present application, on the basis of the above embodiment, the differential signal routing path extends from one side of the module housing 101 to an adjacent side of the module housing 101, and the contact terminal 1021 of the signal transmission reed 102 extends to the outside of the module housing 101. In this embodiment, the paths of the differential wires are defined, and since the signal transmission reed 102 is to transmit signals, both ends of the signal transmission reed 102 may transmit signals with other structures, so according to the transmission principle of the signal connector, the signal transmission reed 102 is in an arc-shaped curved arrangement, and therefore the paths of the differential wires extend from one side of the module housing 101 to the adjacent side of the module housing 101, so that the contact terminal 1021 of the signal transmission reed 102 is matched with the male pin, and the contact terminal 1021 of the signal transmission reed 102 extends to the outside of the module housing 101.
Meanwhile, in order to mate the male and female connectors, the male connector includes a male base 300 and a male signal transmission module 600 inserted in parallel to the male base 300, like the female connector, and the male signal transmission module 600 and the female signal transmission module 100 are inserted and mated with each other when the male and female connectors are inserted.
Fig. 9 shows a schematic structural diagram of a male end signal transmission module according to the present application, where the signal transmission module includes a module housing 601, a lower plastic package module 602, and an upper plastic package module 603, where a plurality of concave cavities 604 distributed according to differential signal routing paths are formed on the module housing 601, differential routing lines are fixed on the lower plastic package module 602 and the upper plastic package module 603, and the lower plastic package module 602 and the upper plastic package module 603 are combined together to form a pin plastic package module, i.e., the lower plastic package module 602 and the upper plastic package module 603 form a pin plastic package module with differential pairs, and the pin plastic package module is adapted to the concave cavities 604. Through the structure of the application, the concave cavities are electroplated and distributed on three surfaces around the transmission differential signal, so that the mutual interference between differential signal pairs can be reduced.
The module case 601 is provided with a concave cavity 604 on the surface of the module case 601 as in the module case 101 of the female-end signal transmission module, and the concave cavity 604 takes a curved groove shape, and the concave cavity 604 extends from one side of the module case 601 toward the adjacent side.
The upper surface of the plastic package lower module 602 is provided with a fixing column 605, the corresponding position of the plastic package upper module 603 is provided with a special-shaped hole 606, and the plastic package lower module 602 and the plastic package upper module 603 are in fit fixation through the fixing column 605 and the special-shaped hole 606. In this embodiment, the special-shaped hole 606 of the plastic package upper module and the fixing column 605 of the plastic package lower module are in fit and fixed, so as to fix the differential pairs, and ensure the intervals between the indirect and differential pairs in each differential pair and the reflow paths, thereby reducing the reflow paths and reducing the crosstalk between the signal differential pairs.
Referring to fig. 9, the plastic lower module 602 and the plastic upper module 603 are provided with two or more pin-shaped contact blocks 607 extending out of the module housing 601, and an L-shaped groove is formed on an upper surface of the pin-shaped contact blocks 607 on the plastic lower module 602, and the pin-shaped contact blocks 607 on the plastic upper module 603 are adapted to the L-shaped groove. In this embodiment, in the high-speed differential signal connector, the male end signal transmission module and the female end signal transmission module are closely matched, and in the female end signal transmission module, a contact channel is formed between contact terminals of the signal transmission reeds for inserting pins, so for the male end signal transmission module, the male end signal transmission module is matched with the contact terminals in the female end signal transmission module, and the male end signal transmission module is a strip-shaped contact block with the property of pins.
A pressing plate 608 is disposed at a side of the module housing 601, where the concave cavity 604 is formed, at an interval, and the pressing plate is located between adjacent concave cavities 604, a square boss 6081 is disposed on the pressing plate 608, and a gap is formed between the pin plastic package module and the pressing plate 608. In this embodiment, by setting the pressing plate 608 and setting the square boss 6081 on the outer side of the pressing plate 608, the square boss 1091 has elasticity, so that insufficient contact caused by uneven heights of the square bosses between a plurality of components can be avoided, and meanwhile, the square boss on the end face of the pressing plate can be ensured to have elasticity by having a gap between the pin plastic module and the pressing plate 608.
A shield mounting groove 609 for mounting a shield is formed on a side of the module case 601 away from the pin-type contact block, and a mounting protrusion 610 is provided at an end of the side. Providing the shield mounting slot 609 and the mounting boss 610 thereon in this embodiment facilitates the mounting of the shield while facilitating the mounting of the entire signal transmission module.
The male end signal transmission module 600 and the female end signal transmission module 100 are provided with metal shielding plates 200; fig. 10 shows a schematic structural view of a metal shielding plate according to the present application, in which two or more bridge structures 201 are provided on the metal shielding plate 200 at intervals, and the bridge structures 201 protrude toward the outside of the metal shielding plate 200. The bridge structure 201 on the metal shielding plate 200 is an arch bridge structure protruding from the metal shielding plate 200, and the purpose of arranging more than two bridge structures 201 on the metal shielding plate 200 is that after the metal shielding plate 200 is fixed with the signal transmission modules, the plurality of signal transmission modules are arranged in parallel, so that the metal shielding plate 200 and the shielding shells of the adjacent signal transmission modules can be communicated in multiple points, and the backflow path is shortened.
The two or more bridge structures 201 face the same direction of the metal shielding plate 200, the bridge structures face the same direction, so that the stress angle is consistent when stressed, the stability of the structure is facilitated, the strip-shaped through grooves 202 are formed in the positions, corresponding to the bridge structures 201, on the metal shielding plate 200, the two ends of the bridge structures 201 are respectively and movably connected to the two ends of the strip-shaped through grooves 202, the strip-shaped through grooves 202 are closed at the two ends, the hollow groove body is provided, the strip-shaped through grooves are convenient to connect the bridge structures, and the purpose of enabling the shielding plate to be in stable multipoint communication with the signal transmission module is achieved; on the other hand, the bridge structure 201 is movably connected to two ends of the strip-shaped through groove 202, that is, the bridge structure 201 can rotate at a certain angle, so that a hinged mode can be adopted for realizing the structure. Through simulation analysis of mechanics, the bridge structure has smaller stress and equivalent stress when being rotated at a certain angle compared with the fixed connection of the bridge structure, namely, stronger interaction force can be born in a movable connection mode, so that the whole structure is more stable.
The two or more bridge structures 201 are uniformly arranged according to the diagonal manner, that is, the center points of the two or more bridge structures 201 are distributed on the same diagonal, that is, the metal shielding plates 200 are uniformly arranged according to the diagonal direction, and through the arrangement manner, a plurality of communication points of the metal shielding plates 200 and the signal transmission module are uniformly distributed on different transverse lines or longitudinal lines, so that the multi-point communication of different positions between the metal shielding plates 200 and the shielding shells of the signal transmission module is further realized, and the backflow path is shortened.
More than two protruding structures 206 are arranged on one side of the metal shielding plate 200 at intervals, protruding points 207 are arranged above the protruding structures 206, and the protruding structures 206 protrude towards the outer side of the metal shielding plate 200. The bump structure 206 is a bump formed on one side of the shield plate body 200 and extending upward on the side, and the bump is used for contacting with an adjacent signal transmission module. In this embodiment, after the metal shielding plate is fixed to the male pin or the female signal transmission module, the plurality of signal transmission modules are arranged in parallel, and the protruding structure 206 can enable the metal shielding plate to be in multipoint communication with the shielding shell of the adjacent signal transmission module, so that the reflow path is shortened.
When the metal shield 200 is mounted on the signal transmission module, the bump structure 206 is located between adjacent differential signal pairs of the signal transmission module. As shown in fig. 13, when the bump structure 207 on the metal shielding plate is mounted on the signal transmission module, the ground hole 208 is formed between the differential signal pairs 301, so the bump structure should be located between the adjacent differential signal pairs of the signal transmission module, thereby reducing crosstalk between signals.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application as broadly described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the application.
Although the application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (3)
1. The utility model provides a high-speed differential signal connector, includes male end connector and female end connector of mutual grafting cooperation, its characterized in that: the female connector comprises a female base (400) and a plurality of female signal transmission modules (100) which are parallelly inserted on the female base (400),
the female-end signal transmission module (100) comprises a module shell (101), a signal transmission reed (102) and a plastic package module (103), wherein a plurality of concave cavities (104) are formed in the module shell (101), the signal transmission reed (102) is arranged in each concave cavity (104), and the plastic package module (103) covers the concave cavities (104) and seals the concave cavities (104) to enable the signal transmission reed (102) to form a sealed signal channel; the plastic package modules (103) are in one-to-one correspondence with the concave cavities (104), the plastic package modules (103) on the adjacent concave cavities (104) are connected into a whole through transverse ribs (107), and the transverse ribs (107) are connected near two end parts of the plastic package modules (103); a pressing plate (109) is arranged at one side edge of the module shell (101) provided with the concave cavity (104) at intervals, the pressing plate (109) is positioned between the adjacent concave cavities, a square boss (1091) is arranged on the pressing plate, the square boss has elasticity, and a gap is formed between a transverse rib (107) close to the pressing plate (109) and the pressing plate; the two signal transmission reeds (102) form differential pairs and are arranged in the same concave cavity (104), and the two signal transmission reeds (102) in each differential pair are symmetrically arranged; the concave cavities (104) are distributed according to the differential signal routing paths of the signal transmission reeds (102), and the cavity edges of the concave cavities (104) and the differential routing edges of the signal transmission reeds (102) are provided with intervals; the differential signal wiring path extends from one side edge of the module housing (101) to an adjacent side edge of the module housing (101), and the contact terminal (1021) of the signal transmission reed (102) extends to the outer side of the module housing (101); the surface of the module shell (101) is covered with a plating layer; the male connector comprises a male base (300) and male signal transmission modules which are parallelly inserted on the male base (300), and when the male connector and the female connector are inserted, the male signal transmission modules and the female signal transmission modules are mutually inserted and matched.
2. The high-speed differential signal connector according to claim 1, wherein: the plastic package module is characterized in that two transverse ribs (107) at two ends of the plastic package module (103) are arranged in a 90-degree direction, and grooves (108) matched with the transverse ribs (107) are formed in the module shell (101).
3. The high-speed differential signal connector according to claim 1, wherein: and each female end signal transmission module is fixedly provided with a metal shielding plate (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020355.XA CN109546464B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020355.XA CN109546464B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| Publication Number | Publication Date |
|---|---|
| CN109546464A CN109546464A (en) | 2019-03-29 |
| CN109546464B true CN109546464B (en) | 2023-10-10 |
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| CN201910020355.XA Active CN109546464B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| CN110011095B (en) * | 2019-04-09 | 2024-04-19 | 四川华丰科技股份有限公司 | Shielding plate, module structure and electric connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872908A (en) * | 2010-06-09 | 2010-10-27 | 四川华丰企业集团有限公司 | High-speed signal connector |
| JP2011018655A (en) * | 2010-09-17 | 2011-01-27 | Amphenol Corp | Difference signal electrical connector |
| CN103151649A (en) * | 2013-03-22 | 2013-06-12 | 四川华丰企业集团有限公司 | High-speed signal connector adopting special-shaped shield plate |
| CN105428939A (en) * | 2015-09-30 | 2016-03-23 | 中航光电科技股份有限公司 | Conductive contact part, electric connector and electric connector assembly |
| CN209169531U (en) * | 2019-01-09 | 2019-07-26 | 四川华丰企业集团有限公司 | High-speed differential signal connector |
-
2019
- 2019-01-09 CN CN201910020355.XA patent/CN109546464B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872908A (en) * | 2010-06-09 | 2010-10-27 | 四川华丰企业集团有限公司 | High-speed signal connector |
| JP2011018655A (en) * | 2010-09-17 | 2011-01-27 | Amphenol Corp | Difference signal electrical connector |
| CN103151649A (en) * | 2013-03-22 | 2013-06-12 | 四川华丰企业集团有限公司 | High-speed signal connector adopting special-shaped shield plate |
| CN105428939A (en) * | 2015-09-30 | 2016-03-23 | 中航光电科技股份有限公司 | Conductive contact part, electric connector and electric connector assembly |
| CN209169531U (en) * | 2019-01-09 | 2019-07-26 | 四川华丰企业集团有限公司 | High-speed differential signal connector |
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| CN109546464A (en) | 2019-03-29 |
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