CN109546468B - High-speed differential signal connector - Google Patents
High-speed differential signal connector Download PDFInfo
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- CN109546468B CN109546468B CN201910020408.8A CN201910020408A CN109546468B CN 109546468 B CN109546468 B CN 109546468B CN 201910020408 A CN201910020408 A CN 201910020408A CN 109546468 B CN109546468 B CN 109546468B
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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
- H01R13/648—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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 invention 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 signal transmission module and a metal shielding plate fixed on the signal transmission module, the lower end part of each metal shielding plate is provided with a convex tooth which is used for being fixed and communicated with the female end base, and the position of the female end base corresponding to the convex tooth is provided with a convex hull structure. The convex teeth are arranged at the lower end part of the metal shielding plate, and the matched convex hull structure is arranged on the female end base, so that the female end signal transmission module and the metal shielding plate can be conveniently fixed, and meanwhile, the metal shielding plate can be communicated with the female end base, so that a relatively short reflux path is formed, and the reduction of the reflux path of differential signals is facilitated.
Description
Technical Field
The invention 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 invention aims to provide a high-speed differential signal connector, which solves the problem that in the existing high-speed differential signal connector, a return path between signal pairs is large because a female-end signal transmission module is not provided with a shielding plate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a high-speed differential signal connector, including mutual grafting complex public end connector and female end connector, 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, above-mentioned female end signal transmission module includes signal transmission module and fixes the metal shield board on signal transmission module, the lower tip of above-mentioned metal shield board is provided with and is used for being fixed, the protrusion tooth that switches on with female end base, the position department corresponding with above-mentioned protrusion tooth is provided with the convex hull structure on the above-mentioned female end base.
Preferably, the metal shielding plate is provided with two or more bridge structures at intervals, and the bridge structures protrude toward the outer side of the metal shielding plate.
Preferably, the bridge structures are movably connected to the metal shielding plate, and two or more bridge structures are uniformly arranged in a diagonal manner.
Preferably, two or more protruding structures are provided at intervals on one side of the metal shielding plate, protruding points are provided above the protruding structures, and the protruding structures protrude toward the outer side of the metal shielding plate.
Preferably, the female-end signal transmission module comprises a module housing, a signal transmission reed and a plastic package module, wherein a plurality of concave cavities are formed in the module housing, the signal transmission reed is arranged in the concave cavities, and the plastic package module covers the concave cavities and seals the concave cavities, so that the signal transmission reed forms a sealed signal channel.
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, 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 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 base and the female base are inserted and matched with each other, and the male signal transmission module and the female signal transmission module are inserted and matched with each other.
Preferably, the male end base and the female end base are respectively provided with a male end metal shielding piece and a female end metal shielding piece on the plugging ends of the male end base and the female end base, and when the male end base and the female end base are plugged, the male end metal shielding piece and the female end metal shielding piece are contacted with each other.
Preferably, a plurality of metal spring plates are arranged on the male end metal shielding piece at intervals, a plurality of metal protrusions are arranged on the female end metal shielding piece at intervals, and when the male end base and the female end base are spliced, the metal spring plates on the male end metal shielding piece are contacted with the metal protrusions on the female end metal shielding piece.
Compared with the prior art, the invention has the beneficial effects that at least one of the following is adopted:
1. the convex teeth are arranged at the lower end part of the metal shielding plate, and the matched convex hull structure is arranged on the female end base, so that the female end signal transmission module and the metal shielding plate can be conveniently fixed, and meanwhile, the metal shielding plate can be communicated with the female end base, so that a relatively short reflux path is formed, and the reduction of the reflux path of differential signals is facilitated.
2. According to the invention, the metal shielding plate is arranged on the signal transmission module, and more than two bridge structures are arranged on the metal shielding plate, and after the metal shielding plate is fixed with the female end signal transmission modules, the plurality of female end signal transmission modules are arranged in parallel, so that the metal shielding plate is communicated with shielding shells of the adjacent female end signal transmission modules at multiple points, and the reflux path is shortened.
3. According to the invention, 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 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.
4. The invention 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.
5. According to the invention, 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 invention.
Fig. 2 is a schematic structural view of a female connector according to the present invention.
Fig. 3 is a schematic structural diagram of a female signal transmission module according to the present invention.
Fig. 4 is a schematic view of an installation structure of a metal shielding plate and a female end base of the present invention.
Fig. 5 is a schematic structural view of the metal shielding plate of the present invention.
Fig. 6 is a schematic structural diagram of a signal transmission module according to the present invention.
Fig. 7 is a schematic structural view of the module case of the present invention.
Fig. 8 is a schematic structural view of the signal transmission reed of the present invention mounted on a module housing.
Fig. 9 is a schematic structural view of the plastic package module and the transverse ribs of the present invention.
Fig. 10 is a schematic diagram of the overall structure of the metal shielding member and the signal transmission module after being installed.
Fig. 11 is a schematic structural view of the male metal shield of the present invention mounted on a male base.
Fig. 12 is a schematic view showing a structure in which the female-end metal shield of the present invention is mounted on a female-end base.
Fig. 13 is a schematic structural view of a male end metal shield according to the present invention.
Fig. 14 is a schematic structural view of a female end metal shield of the present invention.
Detailed Description
The present invention 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 invention 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 invention.
Referring to fig. 1 to 4, 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 module 600 in the male-end connector.
Above-mentioned female end signal transmission module includes signal transmission module and fixes the metal shield board 200 on signal transmission module, and metal shield board 200 installs on signal transmission module, can shield differential signal, through the setting through metal shield board, when a plurality of female end signal transmission modules arrange side by side, metal shield can realize the multiple spot intercommunication with adjacent female end signal transmission module to further shorten differential signal's backward flow route.
Referring to fig. 4, an "L" shaped latch 205 for fixing with the female base 400 is provided on one side of the metal shielding plate 200, a plurality of shielding plate slots 405 are provided on a sidewall of the female base 400 on which the female signal transmission module is mounted at intervals, and the "L" shaped latch 205 corresponds to the shielding plate slots 405. The metal shielding plate 200 is fixed on the signal transmission module of each female end signal transmission module, that is, each signal transmission module necessarily corresponds to one metal shielding plate 200, so that the whole female end signal transmission module can be more stable when fixed on the male end base 300, and therefore, the shielding plate clamping groove 405 is formed on the side wall of the female end signal transmission module installed on the female end base, and meanwhile, the L-shaped clamping teeth are formed on the side edge of the metal shielding plate 200, so that the female end signal transmission module and the metal shielding plate are conveniently fixed, and meanwhile, the metal shielding plate can be communicated with the female end base, so that a relatively short reflux path is formed, and the reflux path of differential signals is reduced.
The metal shielding plate 200 has a protruding tooth 204 at a lower end thereof for being fixed to and connected with the female terminal base 400, and a protruding structure is provided at a position of the female terminal base 400 corresponding to the protruding tooth 204. The metal shielding plate 200 is fixed on the signal transmission module of each female end signal transmission module, that is, each signal transmission module necessarily corresponds to one metal shielding plate 200, so that the whole female end signal transmission module can be more stable when fixed on the female end base 400, and therefore, a convex hull structure is arranged at the position, corresponding to the lower end part of the metal shielding plate, on the female end base, and meanwhile, convex teeth are arranged at the lower end part of the metal shielding plate 200, so that the female end signal transmission module and the metal shielding plate are convenient to fix, and meanwhile, the metal shielding plate can be communicated with the female end base, so that a relatively short reflux path is formed, and therefore, the reflux path of differential signals is facilitated to be shortened. The convex hull structure is a convex structure with convex points, which is arranged on the side surface of the metal shielding plate inserted on the base of the female end.
Fig. 5 shows a schematic structural view of a metal shielding plate according to the present invention, 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.
Further, for another embodiment of the present invention, on the basis of the above embodiment, more than two bridge structures 201 face the same direction of the metal shielding plate 200, and the bridge structures face the same direction, so that the stress angle is consistent when the stress is applied, the stability of the structure is convenient, and a strip-shaped through groove 202 is arranged at the position, corresponding to the bridge structures 201, on the metal shielding plate 200, two ends of the bridge structures 201 are respectively and movably connected to two ends of the strip-shaped through groove 202, the strip-shaped through groove 202 is a hollow groove body with two closed ends, and the strip-shaped through groove is arranged to facilitate the connection of the bridge structures, and also to enable the shielding plate to be in more stable multi-point communication with the signal transmission module; 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.
Further, according to another embodiment of the present invention, on the basis of the above embodiment, two or more protruding structures 206 are disposed at intervals on one side of the metal shielding plate 200, and protruding points 207 are disposed above the protruding structures 206, and the protruding structures 206 protrude toward the outside 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. 10, 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.
The signal transmission module 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. 7 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. 8 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 invention, 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 invention, 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. 9, the connection structure of the plastic package module 103 and the transverse ribs 107 is shown, and as seen in fig. 9, 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 convenient to install, 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 invention, 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 invention, 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 invention, based on the above embodiment, the concave cavity 104 is distributed according to the differential signal routing paths of the signal transmission reed 102, and a cavity edge of the concave cavity 104 and a differential routing edge of the differential 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.
The differential routing path extends from one side of the module case 101 to an adjacent side of the module case 101, and the contact terminal 1021 of the signal transmission reed 102 extends to the outside of the module case 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 make the male connector and the female connector mutually mate, the male connector includes a male base 300 and a male signal transmission module inserted in parallel on the male base 300, as the female connector, and when the male connector and the female connector are inserted, the male base 300 and the female base 400 are inserted and mated with each other, and the male signal transmission module and the female signal transmission module are inserted and mated with each other.
The male metal shield 310 and the female metal shield 410 are respectively disposed at the insertion ends of the male base 300 and the female base 400, and the male metal shield 310 and the female metal shield 410 are in contact with each other when the male base 300 and the female base 400 are inserted.
A schematic structural view of the mounting of the male metal shield 310 on the male base 300 is shown in fig. 11, in which the male metal shield 310 is mounted on the inner sidewall of the male base 300 and is fixed by a fixing structure.
A schematic structural view of the installation of the female metal shield 410 on the female base 400 is shown in fig. 12, in which the female metal shield 410 is installed on the outer sidewall of the female base 400 and is fixed by a fixing structure.
When the male terminal base 300 is plugged onto the female terminal base 400, the female terminal base 400 is plugged into the interior of the male terminal base 300, so that the male terminal metal shield 310 is arranged in the interior of the male terminal base plugging end, the female terminal metal shield 410 is arranged outside the female terminal base plugging end, and when the male terminal base 300 and the female terminal base 400 are plugged together, the male terminal metal shield 310 and the female terminal metal shield 410 are just contacted, so that the multipoint communication of the bases is realized, the reflux path is shortened, and the crosstalk between signals is reduced.
The base in this embodiment may be a plating base, or may be a base with conductive properties to which metal fibers are added.
In fig. 13, a schematic structural view of the male metal shield 310 is shown, in which, in order to enable the male metal shield 310 and the female metal shield 410 to achieve multi-point communication when the male base 300 and the female base 400 are plugged together, a plurality of metal elastic pieces 311 are disposed on the male metal shield 310 at intervals;
also, in fig. 14, a schematic structural view of the female-end metal shield 410 is shown, a plurality of metal protrusions 411 are provided on the female-end metal shield 410 at intervals, and when the male-end base 300 and the female-end base 400 are plugged together, the metal elastic pieces 311 and the metal protrusions 411 can be closely contacted, thereby finally realizing multi-point communication and reducing a backflow path.
As shown in fig. 13, in order to keep the elasticity of the metal spring piece 311 on the male end metal shielding piece 310, a plurality of strip-shaped grooves 312 are spaced apart from each other on the male end metal shielding piece 310, one end of the metal spring piece 311 is in a bent shape, and the other end of the metal spring piece 311 is connected to the end of the strip-shaped groove 312, that is, one end of the metal spring piece 311 is connected to the male end metal shielding piece 310, the other end of the metal spring piece 311 is suspended in the air and is in a bent shape, the bending concave surface of the bent end of the metal spring piece 311 faces the contact surface of the male end metal shielding piece 310 and the male end base 300, that is, the bent protrusion faces the inside of the male end base, and by adopting such a structure, when the male end base and the female end base are inserted together, the metal spring piece can be in close contact with the metal protrusion to ensure multi-point communication, and meanwhile, the metal spring piece can always keep the elasticity to be in contact with the metal protrusion.
The male metal shield 310 is provided with a first bending portion 313 for fixing the male metal shield on a side wall of the male base 300 at a side near the bending end of the metal spring piece 311, and a second bending portion 314 is provided on the male metal shield 310 at a side far from the bending end of the metal spring piece 311 and inside the male base 300. As shown in fig. 11 and 13, in order to stably fix the male metal shield 310 on the male base, a first bending portion 313 and a second bending portion 314 are provided, the first bending portion 313 is formed by bending 180 degrees, and when the male metal shield is mounted, the male metal shield can be exactly buckled on the edge of the side wall of the male base, and the second bending portion 314 is used for attaching the male metal shield to the inner wall of the male base more stably.
As shown in fig. 11, for how to fix the male metal shielding member 310 inside the male base, in this embodiment, an implementation manner is defined, where more than two fixing pieces 315 extending outwards are disposed at intervals on a side of the male metal shielding member 310 away from the bending end of the metal elastic piece 311, after one side of the fixing piece 315 is bent, a second bending portion 314 is formed, and bending directions of the first bending portion 313 and the second bending portion 314 are opposite, that is, an outwardly extending fixing piece 315 is disposed on a side of the male metal shielding member 310 opposite to the first bending portion 313, and then bending is performed on one side edge of the fixing piece 315, so as to form the second bending portion 314 shown in fig. 3; when needing to install, have the grafting chamber on the public end base, the bottom in grafting chamber has a plurality of through-holes, makes things convenient for the wearing out of public end module, consequently is provided with a plurality of recesses with second kink 314 looks adaptation in the bottom in grafting chamber.
The outer sidewall of the female metal shield 410 is provided with an opening slot 412 adapted to the metal protrusion 411, and the metal protrusion 411 is exposed in the opening slot 412 when the female metal shield 410 is fixed to the female base 400. Since the female terminal base 400 is inserted into the outer side of the male terminal base 300, the female terminal metal shield 410 needs to be mounted on the outer side of the female terminal base 400, and thus the open slot 412 is formed on the outer side wall thereof for better fixation, and then the female terminal metal shield 410 is inserted into the open slot 412 by inserting the metal protrusion 411 into the open slot 412 according to the position of the open slot 412.
On the female metal shield 410, a second opening 413 is formed between adjacent metal protrusions 411, and the second opening 413 is adapted to the interval between adjacent open slots 412. In this embodiment, in order to make the metal protrusions 411 embedded in the open slots 412, the second openings 413 are formed at the portions between the metal protrusions 411, i.e. the portions between adjacent metal protrusions 411 form hollows, which can be just inserted into the open slots 412 on the female terminal base, so that the installation of the female terminal metal shield 410 is more convenient, and the structure is more stable.
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 described in general terms in the present application. 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 invention.
Although the invention 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 of this application. 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 (8)
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: female end connector includes female end base (400) and a plurality of female end signal transmission module (100) of pegging graft on female end base (400) side by side, female end signal transmission module includes signal transmission module and fixes metal shield plate (200) on signal transmission module, the lower tip of metal shield plate (200) is provided with and is used for being fixed, switch on with female end base (400) protruding tooth (204), female end base (400) go up with the position department that corresponds protruding tooth (204) is provided with protruding package structure, the interval is provided with bridge structure (201) more than two on metal shield plate (200), and bridge structure (201) orientation the outside of metal shield plate (200) is protruding, and set up concave cavity (104) one side department interval on module shell (101) is provided with clamp plate (109), and clamp plate (109) are located between the adjacent concave cavity, square boss (1091) are provided with on the clamp plate, be close to transverse rib (107) of clamp plate (109) department with clearance between clamp plate (1091) has elasticity boss (1091).
2. The high-speed differential signal connector according to claim 1, wherein: the bridge structures (201) are movably connected to the metal shielding plates (200), and more than two bridge structures (201) are uniformly distributed in a diagonal mode.
3. The high-speed differential signal connector according to claim 1 or 2, wherein: more than two protruding structures (206) are arranged on one side edge 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).
4. The high-speed differential signal connector according to claim 1, wherein: the signal transmission module 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) so that the signal transmission reed (102) forms a closed signal channel.
5. The high-speed differential signal connector according to claim 4, wherein: 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 ends of the plastic package modules (103).
6. The high-speed differential signal connector according to claim 1, wherein: the male connector comprises a male base (300) and a male signal transmission module (600) which is parallelly inserted on the male base (300), when the male connector and the female connector are inserted, the male base (300) and the female base (400) are mutually inserted and matched, and the male signal transmission module (600) and the female signal transmission module (100) are mutually inserted and matched.
7. The high-speed differential signal connector according to claim 6, wherein: the male end base (300) and the female end base (400) are respectively provided with a male end metal shielding piece (310) and a female end metal shielding piece (410) on the mutually inserted insertion ends, and when the male end base (300) and the female end base (400) are mutually inserted, the male end metal shielding piece (310) and the female end metal shielding piece (410) are mutually contacted.
8. The high-speed differential signal connector according to claim 7, wherein: a plurality of metal elastic sheets (311) are arranged on the male end metal shielding piece (310) at intervals, a plurality of metal protrusions (411) are arranged on the female end metal shielding piece (410) at intervals, and when the male end base (300) and the female end base (400) are connected in an inserting mode, the metal elastic sheets (311) on the male end metal shielding piece (310) are in contact with the metal protrusions (411) on the female end metal shielding piece (410).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910020408.8A CN109546468B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020408.8A CN109546468B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| CN109546468A CN109546468A (en) | 2019-03-29 |
| CN109546468B true CN109546468B (en) | 2024-02-09 |
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| CN201910020408.8A Active CN109546468B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| CN113193398B (en) * | 2021-04-23 | 2022-03-29 | 中航光电科技股份有限公司 | Shielding contact structure, female terminal connector and connector assembly |
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