CN109546468A - High-speed differential signal connector - Google Patents
High-speed differential signal connector Download PDFInfo
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- CN109546468A CN109546468A CN201910020408.8A CN201910020408A CN109546468A CN 109546468 A CN109546468 A CN 109546468A CN 201910020408 A CN201910020408 A CN 201910020408A CN 109546468 A CN109546468 A CN 109546468A
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- female end
- signal transmission
- male end
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- pedestal
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- 230000008054 signal transmission Effects 0.000 claims abstract description 89
- 235000014676 Phragmites communis Nutrition 0.000 claims description 31
- 238000004806 packaging method and process Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
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- 229920000914 Metallic fiber Polymers 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—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
-
- 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 kind of high-speed differential signal connectors, Male end connector and terminative connector including being mutually inserted cooperation, above-mentioned terminative connector includes female end pedestal and multiple female end signal transmission modules being plugged on female end pedestal side by side, above-mentioned female end signal transmission module includes signal transmission module and the metal shielding board that is fixed on signal transmission module, the lower end of above-mentioned metal shielding board is provided with the protruding teeth for fixing, being connected with female end pedestal, is provided with convex closure structure at position corresponding with above-mentioned protruding teeth on above-mentioned female end pedestal.Protruding teeth is arranged in the lower end of metal shielding board in the present invention, the convex closure structure matched is set on female end pedestal simultaneously, convenient for the fixation of female end signal transmission module and metal shielding board, metal shielding board can be connected to female end pedestal simultaneously, to form relatively short return flow path, therefore be conducive to shorten the return flow path of differential signal.
Description
Technical field
The present invention relates to connector technique fields, and in particular to a kind of high-speed differential signal connector.
Background technique
At present in high-speed differential signal connector, the return flow path in transmission link around differential signal is connected by multiple spot
It connects and interconnects realization between metal screen to shorten return flow path and pass through, spacing is consistent between metal and metal
It needs to assist other structures, complex process is not easy to control.
In current high-speed differential signal connector, due to the limitation of its structure, the crosstalk between signal is serious, differential signal
It interferes with each other, the final laser propagation effect for influencing signal connector.
Summary of the invention
The purpose of the present invention is to provide a kind of high-speed differential signal connectors, solve current high-speed differential signal connection
In device, since female end signal transmission module does not have barricade, lead to the problem that return flow path is big between signal pair.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of high-speed differential signal connector, Male end connector and terminative connector including being mutually inserted cooperation, above-mentioned female end
Connector includes female end pedestal and multiple female end signal transmission modules being plugged on female end pedestal side by side, and above-mentioned female end signal passes
Defeated module includes signal transmission module and the metal shielding board that is fixed on signal transmission module, the lower end of above-mentioned metal shielding board
Portion is provided with the protruding teeth for fixing, being connected with female end pedestal, position corresponding with above-mentioned protruding teeth on above-mentioned female end pedestal
The place of setting is provided with convex closure structure.
Preferably, being arranged at intervals with more than two bridge structures on above-mentioned metal shielding board, and above-mentioned bridge knot
Structure is raised towards the outside of above-mentioned metal shielding board.
Preferably, above-mentioned bridge structure is movably connected on above-mentioned metal shielding board, and more than two above-mentioned bridges
Girder construction is uniformly arranged according to cornerwise mode.
Preferably, more than two bulge-structures are arranged at intervals in a side of above-mentioned metal shielding board, and on
It states and is provided with salient point above bulge-structure, above-mentioned bulge-structure is raised towards the outside of metal shielding board.
Preferably, above-mentioned female end signal transmission module includes module housing, signal transmission reed and plastic packaging module, it is above-mentioned
Multiple spill cavitys are offered in module housing, above-mentioned signal transmission reed is mounted in concave shaped cavity body, and above-mentioned plastic packaging module is covered
It is placed on above-mentioned spill cavity and closes spill cavity, signal transmission reed is made to form closed signal path.
Preferably, above-mentioned plastic packaging module and spill cavity correspond, the plastic sealed mould on adjacent above-mentioned spill cavity
It is linked together between block by transverse bar, and the both ends of above-mentioned plastic packaging module are nearby respectively connected with transverse bar.
Pressing plate is arranged at intervals at a side of spill cavity preferably, offering in above-mentioned module housing, and on
Pressing plate is stated between adjacent spill cavity, is provided with square boss on above-mentioned pressing plate, the transverse bar at the above-mentioned pressing plate with
There is gap between above-mentioned pressing plate.
Preferably, the male end signal that above-mentioned Male end connector includes male end pedestal and is plugged on male end pedestal side by side passes
Defeated module, when above-mentioned Male end connector and terminative connector plug, above-mentioned male end pedestal and female end pedestal are mutually inserted and match
It closes, above-mentioned male end signal transmission module and female end signal transmission module are mutually inserted cooperation.
Preferably, being respectively arranged with male end metal screen on the inserted terminal that above-mentioned male end pedestal and female end pedestal are mutually inserted
Shield and female end metal screen, when above-mentioned male end pedestal is plugged with female end pedestal, above-mentioned male end metal screen and mother
End metal screen contacts with each other.
Preferably, multiple metal clips are arranged at intervals on above-mentioned male end metal screen, above-mentioned female end metallic shield
Multiple metal bumps are arranged at intervals on part, when above-mentioned male end pedestal is plugged with female end pedestal, above-mentioned male end metallic shield
Metal clips on part is in contact with the metal bump on above-mentioned female end metal screen.
Compared with prior art, beneficial effects of the present invention are at least one of following:
1, protruding teeth is arranged in the lower end of metal shielding board in the present invention, while the convex closure knot matched being arranged on female end pedestal
Structure, convenient for the fixation of female end signal transmission module and metal shielding board, while metal shielding board can be connected with female end pedestal
It is logical, to form relatively short return flow path, therefore be conducive to shorten the return flow path of differential signal.
2, the present invention in metal shielding board is installed on signal transmission module, and on metal shielding board be arranged two with
On bridge structure, after metal shielding board and female end signal transmission module are fixed, multiple female end signal transmission module meetings
Laid out in parallel is carried out, can make to realize that multiple spot connects between metal shielding board and the shielding shell of adjacent female end signal transmission module
It is logical, to shorten return flow path.
3, in the present invention, by being set in the module housing in the female end signal transmission module of high-speed differential signal connector
Multiple spill cavitys are set, which is distributed according to difference wiring path and signal transmission reed is fixed in concave shaped cavity body,
To form closed signal path, the plating of spill cavity is finally made to be distributed in three faces of differential signal transmission surrounding, energy
Enough reduce interfering with each other between Difference signal pair.
4, the present invention is defined the structure of plastic packaging module, and side when installation is on the one hand to by the setting of transverse bar
Just on the other hand property preferably fixed signal can transmit the differential pair that reed is constituted, the letter being further reduced between differential pair
Number crosstalk.
5, pressing plate and square boss is arranged in the present invention in module housing, and square boss has elasticity, can be avoided
All directions boss between multiple components is uneven caused insufficient contact, while protecting between plastic packaging module and pressing plate
Gap is stayed, the direction boss of packaging pressing plate end face has elasticity.
Detailed description of the invention
Fig. 1 is the overall structure diagram of connector of the invention.
Fig. 2 is the structural schematic diagram of terminative connector of the invention.
Fig. 3 is the structural schematic diagram of female end signal transmission module of the invention.
Fig. 4 is the mounting structure schematic diagram of metal shielding board and female end pedestal of the invention.
Fig. 5 is the structural schematic diagram of metal shielding board of the invention.
Fig. 6 is the structural schematic diagram of signal transmission module of the invention.
Fig. 7 is the structural schematic diagram of module housing of the invention.
Fig. 8 is the structural schematic diagram that signal of the invention transmits that reed is mounted on module housing.
Fig. 9 is the structural schematic diagram of plastic packaging module and transverse bar of the invention.
Figure 10 is the overall structure diagram after metal screen and signal transmission module installation of the invention.
Figure 11 is that male end metal screen of the invention is mounted on the structural schematic diagram on male end pedestal.
Figure 12 is that female end metal screen of the invention is mounted on the structural schematic diagram on female end pedestal.
Figure 13 is the structural schematic diagram of male end metal screen of the invention.
Figure 14 is the structural schematic diagram of female end metal screen of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The whole knot of high-speed-differential connector is shown in FIG. 1 with reference to Fig. 1~4 for one embodiment of the present of invention
Structure schematic diagram, for this kind of high-speed differential signal connector, Male end connector and terminative connector including being mutually inserted cooperation,
Above-mentioned terminative connector include female end pedestal 400 and it is multiple be plugged on female end signal transmission module on female end pedestal 400 side by side,
By the mating of Male end connector and terminative connector, so that this kind of high-speed differential signal connector can be realized signal
Stablize transmission.
As shown in Fig. 2, the female end module for being separately provided for placing female end signal transmission module on female end pedestal is solid
Determine slot 402, while being additionally provided with the inserting groove 401 stretched out for differential pair along array distribution in the inside of female end pedestal 400,
Male end in the inserting groove 401, in the contact terminal and Male end connector of the signal transmission reed of female end signal transmission module
The contact pin of signal transmission module cooperates.
Above-mentioned female end signal transmission module includes signal transmission module and the metallic shield that is fixed on signal transmission module
Plate 200, metal shielding board 200 are mounted on signal transmission module, can be shielded to differential signal, by passing through metal screen
The setting of shield plate, when multiple female end signal transmission module laid out in parallel, metallic shield can be transmitted with adjacent female end signal
Module realizes multiple spot connection, to further shorten the return flow path of differential signal.
Referring to fig. 4, it is provided in a side of above-mentioned metal shielding board 200 for " L " type fixed with female end pedestal 400
Latch 205 is installed on above-mentioned female end pedestal 400 and is arranged at intervals with multiple barricades on the side wall of above-mentioned female end signal transmission module
Card slot 405, above-mentioned " L " type latch 205 are corresponding with barricade card slot 405.Metal shielding board 200 is fixed on each female end signal
On the signal transmission module of transmission module, i.e., each signal transmission module necessarily corresponds to a metal shielding board 200, in order to make
Entire female end signal transmission module can be more stable when being fixed on male end pedestal 300, therefore mother is installed on female end pedestal
Barricade card slot 405 is set on the side wall of end signal transmission module, while " L " is set in the side edge of metal shielding board 200
Type latch, convenient for the fixation of female end signal transmission module and metal shielding board, while metal shielding board can with female end pedestal into
Row connection, to form relatively short return flow path, therefore is conducive to shorten the return flow path of differential signal.
The lower end of above-mentioned metal shielding board 200 is provided with the protruding teeth 204 for fixing, being connected with female end pedestal 400,
Convex closure structure is provided at position corresponding with above-mentioned protruding teeth 204 on above-mentioned female end pedestal 400.Metal shielding board 200 is solid
It is scheduled on the signal transmission module of each female end signal transmission module, i.e., each signal transmission module necessarily corresponds to a metal
Barricade 200, in order to keep entire female end signal transmission module more stable when being fixed on female end pedestal 400, therefore
Convex closure structure is set at position corresponding with the lower end of metal shielding board on female end pedestal, while in metal shielding board 200
Lower end be arranged protruding teeth, convenient for the fixation of female end signal transmission module and metal shielding board, while metal shielding board can
It is connected to female end pedestal, to form relatively short return flow path, therefore is conducive to shorten the return flow path of differential signal.
Here convex closure structure is the projective structure with salient point being arranged on the side of grafting metal shielding board on female end pedestal.
Fig. 5 shows the structural schematic diagram of metal shielding board of the invention, for the metal shielding board, above-mentioned metallic shield
It is arranged at intervals with more than two bridge structures 201 on plate 200, and above-mentioned bridge structure 201 is towards above-mentioned metal shielding board
200 outside protrusion.Bridge structure 201 on the metal shielding board 200 is the arch (bridge) type knot for protruding from metal shielding board 200
Structure, the purpose that more than two bridge structures 201 are arranged on the metal shielding board 200 is when metal shielding board 200 and signal
After transmission module is fixed, multiple signal transmission modules will do it laid out in parallel, can make metal shielding board 200 and adjacent
Multiple spot connection is realized between the shielding shell of signal transmission module, to shorten return flow path.
Further, on the basis of the above embodiments, more than two above-mentioned for another embodiment of the invention
Bridge structure 201 towards metal shielding board 200 same direction, bridge structure towards same direction, when enabling to stress by
The angle of power is consistent, convenient for the stability of structure, and corresponding to the position of bridge structure 201 on above-mentioned metal shielding board 200
The place of setting is provided with bar shaped groove 202, and the both ends of above-mentioned bridge structure 201 are respectively and movably connected to the both ends of bar shaped groove 202, should
Bar shaped groove 202 is groove body closed at both ends, hollow, and setting bar shaped groove is convenient to be attached bridge structure, also for
Barricade can be made to be connected to the more stably multiple spot of signal transmission module；On the other hand, which is movably connected in
The rotation of certain angle can be presented in the both ends of above-mentioned bar shaped groove 202, i.e. bridge structure 201, realize that such structure can adopt
With hinged mode.By the simulation analysis of mechanics, the rotation of bridge structure at an angle is fixedly connected compared to bridge structure
When have smaller stress and equivalent stress, i.e., stronger interaction force is able to bear by way of flexible connection, thus
So that total is more stable.
More than two above-mentioned bridge structures 201 are uniformly arranged according to cornerwise mode, i.e., more than two bridge knots
On the central point distribution same diagonal line of structure 201, i.e., uniformly arrange on metal shielding board 200 according to cornerwise direction,
Arrangement mode in this way enables to metal shielding board 200 and multiple connectivity points of signal transmission module to be distributed in difference
X wire on or vertical line on, to further realize between metal shielding board 200 and the shielding shell of signal transmission module
The multiple spot connection for realizing different location, shortens return flow path.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned metal shielding board
More than two bulge-structures 206 are arranged at intervals in 200 a side, and the top of above-mentioned bulge-structure 206 is provided with
Salient point 207, above-mentioned bulge-structure 206 are raised towards the outside of metal shielding board 200.The bulge-structure 206 is in barricade master
The protrusion for amplifying formation upwards on the side in a side of body 200, salient point be used for and adjacent signal transmission module into
Row contact.In the present embodiment, after metal shielding board and male end contact pin or female end signal transmission module are fixed, Duo Gexin
Number transmission module will do it laid out in parallel, and bulge-structure 206 can make the screen of metal shielding board Yu adjacent signal transmission module
It covers and realizes multiple spot connection between shell, to shorten return flow path.
When above-mentioned metal shielding board 200 is mounted on above-mentioned signal transmission module, above-mentioned bulge-structure 206 is located at signal
Between the adjacent Difference signal pair of transmission module.As shown in Figure 10, the bulge-structure on metal shielding board is mounted on signal transmission
When in module, which will form ground hole 208 between signal differential is to 301, therefore bulge-structure should be located at letter
Between number adjacent Difference signal pair of transmission module, to reduce the crosstalk between signal.
Above-mentioned signal transmission module includes module housing 101, signal transmission reed 102 and plastic packaging module 103, above-mentioned module
Multiple spill cavitys 104 are offered on shell 101, above-mentioned signal transmission reed 102 is mounted in spill cavity 104, above-mentioned modeling
Envelope module 103 is covered on above-mentioned spill cavity 104 and closes spill cavity 104, and signal transmission reed 102 is made to form closing
Signal path；For the female end signal transmission module in the embodiment, by above-mentioned structure, so that the plating point of spill cavity
Cloth can reduce the interference between Difference signal pair in three faces of differential signal transmission surrounding.
The surface of above-mentioned module housing 101 is all covered with electroplated layer.Electroplated layer can be the conductions such as electronickelling, gold, silver, copper
Metal material；In addition module housing 101 can also be taken the case where not being electroplated, it is fine that metal is added such as in module housing
Dimension, adding graphite etc., all can make the appropriate materials of the conduction of module housing 101；101 surface of module housing is recessed after plating
Three faces for being distributed in differential signal transmission surrounding are electroplated in shape cavity, shield the signal interference between Difference signal pair；In addition by
There is skin effect in signals transmission metal, module housing 101 be electroplated after can approximation regard metal as, be centered around differential signal
Around, as differential signal return flow path, the interference of Difference signal pair therebetween is reduced, signal return flow path is shortened.
Fig. 7 shows the structural schematic diagram of module housing 101, and according to the display of module housing 101, spill cavity 104 is set
It sets on the surface of module housing 101, and spill cavity 104 is presented curved channel-shaped, and the spill cavity 104 is from module
A side of shell 101 is extended towards adjacent a side.
Fig. 8 shows that signal transmission reed 102 is mounted on the structural schematic diagram in module housing 101, when signal transmits spring
When piece 102 is mounted in spill cavity 104, signal transmits reed 102 to be installed along the direction of spill cavity 104.When installation, modeling
It is two pieces that envelope module 103, which is divided to, and signal transmits 102 every two of reed and forms a differential pair, installs a signal transmission reed 102
Afterwards just cover one piece of plastic packaging module 103 so that between the same differential pair two signals transmission reed 102 formed away from
From convenient for forming cooperation with the contact pin in male end signal transmission module.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned plastic packaging module
103 correspond with spill cavity 104, pass through transverse bar 107 between the plastic packaging module 103 on adjacent above-mentioned spill cavity 104
It is linked together, and the both ends of above-mentioned plastic packaging module 103 are nearby respectively connected with transverse bar 107.For in the plastic packaging module 103
Transverse bar 107 is provided with plastic packaging module compatible with the spill cavity 104 on each spill cavity 104, in order to embody knot
Stability after structure assembling, therefore the plastic packaging module on each spill cavity 104 is linked together by transverse bar 107, and
The both ends of plastic packaging module 103 are nearby provided with transverse bar and are connected and fixed, the convenient differential pair constituted to signal transmission reed 102
It carries out stablizing fixation, while realizing convenience and integrally-built stability that structure is installed.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned plastic packaging module
In 90 degree of direction settings between two transverse bars 107 at 103 both ends, and it is provided in above-mentioned module housing 101 and above-mentioned cross
The compatible groove 108 of muscle 107.The connection structure of plastic packaging module 103 and transverse bar 107 is shown in Fig. 9, as seen from Figure 9,
In this embodiment, three plastic packaging modules 103 are respectively provided with corresponding to three spill cavitys 104, in plastic packaging module 103
Plastic packaging module 103 is connected to become an entirety by the transverse bar 107 being arranged by two in 90 degree directions, when installation only need according to
Corresponding position covers the plastic packaging module 103 being linked together by transverse bar 107 on spill cavity 104, stabilized structure
It is easy for installation, while in order to be bonded transverse bar 107 also more with module housing 101, thus be provided in module housing 101 with
The compatible groove 108 of transverse bar 107；In addition to all grooves opened up or concave shaped cavity body is enable to reduce difference to the maximum extent
Interfering with each other between sub-signal pair, therefore preferably by two transverse bars 107 in plastic packaging module 103 in 90 degree of direction settings, it keeps away
Exempt from the crosstalk influenced between signal of arbitrarily slotting.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned module housing
Offered on 101 and be arranged at intervals with pressing plate 109 at a side of spill cavity 104, and above-mentioned pressing plate 109 be located at it is adjacent recessed
Between shape cavity, square boss 1091 is provided on above-mentioned pressing plate, transverse bar 107 and above-mentioned pressing plate at above-mentioned pressing plate 109
Between have gap.By setting pressing plate 109 and in the outside of pressing plate 109, square boss 1091, square boss 1091 are set
With elasticity, it can be avoided each square boss between multiple components and be uneven caused insufficient contact, while in plastic cement
It can guarantee that the square boss of pressing plate end face has elasticity with gap between pressing plate 109 at transverse bar 107 in module 103.
Further, for another embodiment of the invention, on the basis of the above embodiments, two above-mentioned signals are passed
Defeated reed 102 forms differential pair and is mounted in the same spill cavity 104, and two signals in each differential pair transmit spring
Piece 102 is symmetrical set.In the present embodiment, in order to be cooperated with the contact pin of male end signal transmission module in Male end connector,
Therefore need to fix two signal transmission reeds 102 in the same spill cavity 104, and two signals transmit 102 shape of reed
It is used to be cooperated with the contact pin of male end at differential pair, signal transmission reed 102 is matched with male end signal transmission module contact pin
Contact terminal be bent setting in opposite waveform, and carry out signal transmission with the contact pin of male end signal transmission module.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned spill cavity
104 are distributed according to the differential signal wiring path of signal transmission reed 102, the cavity edge and difference of above-mentioned spill cavity 104
The difference track edge that signal transmits reed 102 has interval.Cavity is distributed according to differential path in the present embodiment, on the one hand to the greatest extent
Return flow path can be can be shortened, reduce crosstalk between differential signal, on the other hand, spill cavity and differential signal guarantee certain distance,
It is to preferably carry out impedance matching.
Above-mentioned difference wiring path is the adjacent side that the module housing 101 is extended to from a side of module housing 101
At side, and the contact terminal 1021 of above-mentioned signal transmission reed 102 stretches to the outside of module housing 101.In the present embodiment, limit
The path for determining difference cabling, since signal transmission reed 102 will carry out signal transmitting, then signal transmits the both ends of reed 102 all
Signal transmission may be carried out with other structures, therefore according to the transmission principle of signal connector, signal transmits reed 102 and arc is presented
Shape bending setting, therefore difference wiring path is to extend to the adjacent of the module housing 101 from a side of module housing 101
Side edge, the contact terminal 1021 to make signal transmit reed 102 are cooperated with male end contact pin, and signal transmits reed 102
Contact terminal 1021 stretches to the outside of module housing 101.
Simultaneously in order to make Male end connector and terminative connector cooperate, as terminative connector, above-mentioned male end connects
The male end signal transmission module that device includes male end pedestal 300 and is plugged on male end pedestal 300 side by side is connect, when above-mentioned male end connects
When device and terminative connector plug, above-mentioned male end pedestal 300 and female end pedestal 400 are mutually inserted cooperation, above-mentioned male end signal
Transmission module and female end signal transmission module are mutually inserted cooperation.
Male end metallic shield is respectively arranged on the inserted terminal that above-mentioned male end pedestal 300 and female end pedestal 400 are mutually inserted
Part 310 and female end metal screen 410, when above-mentioned male end pedestal 300 is plugged with female end pedestal 400, above-mentioned male end metal
Shielding part 310 contacts with each other with female end metal screen 410.
The structural schematic diagram that male end metal screen 310 is mounted on male end pedestal 300 is shown in Figure 11, in the figure,
Male end metal screen 310 is mounted on the inner sidewall of male end pedestal 300, and is fixed by fixed structure.
The structural schematic diagram that female end metal screen 410 is mounted on female end pedestal 400 is shown in Figure 12, in the figure,
Female end metal screen 410 is mounted on the lateral wall of female end pedestal 400, and is fixed by fixed structure.
When male end pedestal 300 is plugged on female end pedestal 400, female end pedestal 400 is plugged into the interior of male end pedestal 300
Portion, therefore male end metal screen 310 is set in the inside of male end pedestal inserted terminal, the external setting of female end pedestal inserted terminal is female
Hold metal screen 410, when male end pedestal 300 is plugged into together with female end pedestal 400, male end metal screen 310 and mother
End metal screen 410 just contacts to realize that the multiple spot connection of pedestal reduces between signal to shorten return flow path
Crosstalk.
Pedestal in the present embodiment can be electroplated foundations, be also possible to be added to the conductive energy of metallic fiber
Pedestal.
The structural schematic diagram of male end metal screen 310 is shown in FIG. 13, in the figure, in order to work as male end pedestal
300 and female end pedestal 400 when being plugged into together, male end metal screen 310 and female end metal screen 410 can be made to realize more
Point connection, therefore multiple metal clips 311 are arranged in interval on male end metal screen 310；
The structural schematic diagram of female end metal screen 410 is equally shown in FIG. 14, is spaced on female end metal screen 410
Multiple metal bumps 411 are set, and when male end pedestal 300 and female end pedestal 400 are plugged into together, 311 He of metal clips
It can be in close contact between metal bump 411, to finally realize multiple spot connection, reduce return flow path.
As shown in figure 13, in order to make the metal clips 311 on male end metal screen 310 be able to maintain elasticity, above-mentioned
It is spaced apart on male end metal screen 310 and is equipped with multiple strip grooves 312, one end of above-mentioned metal clips 311 is in bending, another
End is connected to the end of strip groove 312, i.e. one end of metal clips 311 is connected on male end metal screen 310, and the other end is outstanding
It is empty and be in bending, the bent recess of the bending end of above-mentioned metal clips 311 facing towards the male end metal screen 310 with it is above-mentioned
The contact surface of male end pedestal 300, that is, the protrusion bent is towards the inside of male end pedestal, and setting enables to through this structure
When male end pedestal and female end pedestal are plugged in together, metal clips can be in close contact with metal bump guarantees that multiple spot is connected to,
Enable to metal clips that can remain that elasticity is in contact with metal bump simultaneously, metal clips is curved in this embodiment
Trisection can be V-arrangement bending, be also possible to arch bridge type bending, etc..
On above-mentioned male end metal screen 310 close to its metal clips 311 bending end side be provided with for by its
The first bending part 313 being fixed on the side wall of male end pedestal 300, far from its metal elastic on above-mentioned male end metal screen 310
The side of 311 bending end of piece is provided with the second bending part 314 with the inside of male end pedestal 300.As illustrated in figures 11 and 13, it is
Male end metal screen 310 can be enable to be firmly secured on male end pedestal, therefore be provided with the first bending part 313 He
Second bending part 314, the first bending part 313 is in 180 degree bending setting, when installation with being just fastened on male end pedestal side wall
On edge, the second bending part 314 is used to for it being more steadily fitted in the inner wall of male end pedestal.
As shown in figure 11, for the inside how male end metal screen 310 is fixed on to male end pedestal, in the present embodiment
In define a kind of embodiment, the side of the bending end on above-mentioned male end metal screen 310 far from its metal clips 311
More than two outwardly extending fixinig plates 315 are arranged at intervals with, form the second bending part after the side bending of above-mentioned fixinig plate 315
314, and the overbending direction of above-mentioned first bending part 313 and the second bending part 314 is on the contrary, i.e. in male end metal screen 310
The upper side opposite with the first bending part 313 is provided with outwardly extending fixinig plate 315, then in a side of fixinig plate 315
It is bent and forms the second bending part 314 shown in Fig. 3；When being installed, there is grafting on male end pedestal
Chamber, the bottom of grafting chamber have multiple through-holes, facilitate being pierced by for male end module, thus the bottom of grafting chamber be provided with it is multiple with
The compatible multiple grooves of second bending part 314.
It fixes on the lateral wall of above-mentioned female end metal screen 410 and is provided with and above-mentioned metal on above-mentioned female end pedestal 400
Raised 411 compatible open slots 412, and when above-mentioned female end metal screen 410 is fixed on female end pedestal 400, it is above-mentioned
Metal bump 411 is exposed in above-mentioned open slot 412.Since female end pedestal 400 is the outside for being plugged on male end pedestal 300,
Therefore female end metal screen 410 needs to be mounted on the outside of female end pedestal 400, in order to preferably fix, therefore on the outside
Open slot 412 is arranged in wall, and then metal bump 411 is embedded in female end metal screen 410 according to the position of open slot 412
On open slot 412.
On above-mentioned female end metal screen 410, the second opening 413 is offered between adjacent above-mentioned metal bump 411, on
The interval stated between the second opening 413 and adjacent open slot 412 is adapted.In the present embodiment, in order to inlay metal bump 411
The second opening 413 of part setting in open slot 412, therefore between metal bump 411, i.e., by adjacent metal protrusion
The part at 411 intervals forms hollow out, can just be plugged into the open slot 412 on female end pedestal, so that more convenient
The installation of female end metal screen 410, so that structure is more stable.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification
Example " etc., referring to combining specific features, structure or the feature of embodiment description includes describing extremely in the application generality
In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one
For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations
Example realizes that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also be will be apparent.
Claims (10)
1. a kind of high-speed differential signal connector, Male end connector and terminative connector including being mutually inserted cooperation, feature
Be: the terminative connector includes female end pedestal (400) and multiple female end signals being plugged on female end pedestal (400) side by side
Transmission module (100), the female end signal transmission module include signal transmission module and the gold that is fixed on signal transmission module
Belong to barricade (200), the lower end of the metal shielding board (200) is provided with for fixed, conducting with female end pedestal (400)
Protruding teeth (204) is provided with convex closure structure at position corresponding with the protruding teeth (204) on the female end pedestal (400).
2. high-speed differential signal connector according to claim 1, it is characterised in that: on the metal shielding board (200)
It is arranged at intervals with more than two bridge structures (201), and the bridge structure (201) is towards the metal shielding board
(200) outside protrusion.
3. high-speed differential signal connector according to claim 1, it is characterised in that: bridge structure (201) activity
It is connected on the metal shielding board (200), and more than two bridge structures (201) are equal according to cornerwise mode
Even arrangement.
4. high-speed differential signal connector according to claim 1 or 2, it is characterised in that: the metal shielding board (200)
A side on be arranged at intervals with more than two bulge-structures (206), and be provided with above the bulge-structure (206)
Salient point (207), the bulge-structure (206) are raised towards the outside of metal shielding board (200).
5. high-speed differential signal connector according to claim 1, it is characterised in that: the signal transmission module includes mould
Block shell (101), signal transmit reed (102) and plastic packaging module (103), offer on the module housing (101) multiple recessed
Shape cavity (104), signal transmission reed (102) are mounted in spill cavity (104), plastic packaging module (103) covering
It is closed on the spill cavity (104) and by spill cavity (104), signal transmission reed (102) is made to form closed signal
Channel.
6. high-speed differential signal connector according to claim 5, it is characterised in that: the plastic packaging module (103) with it is recessed
Shape cavity (104) corresponds, and passes through transverse bar (107) between the plastic packaging module (103) on the adjacent spill cavity (104)
It is linked together, and the both ends of the plastic packaging module (103) are nearby respectively connected with transverse bar (107).
7. high-speed differential signal connector according to claim 6, it is characterised in that: opened on the module housing (101)
Be arranged at intervals at a side equipped with spill cavity (104) pressing plate (109), and the pressing plate (109) be located at it is adjacent recessed
Between shape cavity, square boss (1091) are provided on the pressing plate, transverse bar (107) and institute at the pressing plate (109)
Stating has gap between pressing plate.
8. high-speed differential signal connector according to claim 1, it is characterised in that: the Male end connector includes male end
Pedestal (300) and the male end signal transmission module (600) being plugged on male end pedestal (300) side by side, when the Male end connector
When plugging with terminative connector, the male end pedestal (300) and female end pedestal (400) are mutually inserted cooperation, the male end letter
Number transmission module (600) and female end signal transmission module (100) are mutually inserted cooperation.
9. high-speed differential signal connector according to claim 8, it is characterised in that: the male end pedestal (300) and mother
Male end metal screen (310) and female end metal screen are respectively arranged on the inserted terminal that end group seat (400) is mutually inserted
(410), when the male end pedestal (300) and female end pedestal (400) plug, the male end metal screen (310) and mother
End metal screen (410) contacts with each other.
10. high-speed differential signal connector according to claim 9, it is characterised in that: the male end metal screen
(310) it is arranged at intervals on multiple metal clips (311), is arranged at intervals with multiple gold on the female end metal screen (410)
Belong to raised (411), when the male end pedestal (300) plugs with female end pedestal (400), the male end metal screen
(310) metal clips (311) on is in contact with the metal bump (411) on the female end metal screen (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020408.8A CN109546468B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020408.8A CN109546468B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
Publications (2)
| Publication Number | Publication Date |
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| CN109546468A true CN109546468A (en) | 2019-03-29 |
| CN109546468B CN109546468B (en) | 2024-02-09 |
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ID=65834646
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910020408.8A Active CN109546468B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| CN113193398A (en) * | 2021-04-23 | 2021-07-30 | 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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|---|---|
| CN109546468B (en) | 2024-02-09 |
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