CN109546465A - High-speed differential signal connector - Google Patents
High-speed differential signal connector Download PDFInfo
- Publication number
- CN109546465A CN109546465A CN201910020403.5A CN201910020403A CN109546465A CN 109546465 A CN109546465 A CN 109546465A CN 201910020403 A CN201910020403 A CN 201910020403A CN 109546465 A CN109546465 A CN 109546465A
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- Prior art keywords
- module
- male end
- plastic packaging
- mentioned
- signal transmission
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6588—Shielding material individually surrounding or interposed between mutually spaced contacts with through openings for individual contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Abstract
The invention discloses a kind of high-speed differential signal connectors with shield effectiveness, Male end connector and terminative connector including being mutually inserted cooperation, the Male end connector includes male end pedestal and multiple male end signal transmission modules being plugged on male end pedestal side by side, above-mentioned male end signal transmission module includes module housing, plastic packaging lower module and plastic packaging upper module, multiple spill cavitys being distributed by difference wiring path are offered in above-mentioned module housing, it is respectively and fixedly provided with difference cabling on above-mentioned plastic packaging lower module and plastic packaging upper module and above-mentioned plastic packaging lower module and plastic packaging upper module are grouped together to form contact pin plastic packaging module, above-mentioned contact pin plastic packaging module is adapted with spill cavity.Male end signal transmission module in the present invention with metal shielding board is applied in high-speed differential signal connector, can reduce interfering with each other between Difference signal pair as much as possible.
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 due to male end signal transmission module knot
The limitation of structure leads to the problem of crosstalk is easy to happen 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 male end
Connector includes male end pedestal and multiple male end signal transmission modules being plugged on male end pedestal side by side, and above-mentioned male end signal passes
Defeated module includes module housing, plastic packaging lower module and plastic packaging upper module, is offered in above-mentioned module housing multiple by difference cabling
The spill cavity of path profile is respectively and fixedly provided under difference cabling and above-mentioned plastic packaging on above-mentioned plastic packaging lower module and plastic packaging upper module
Module and plastic packaging upper module are grouped together to form contact pin plastic packaging module, and above-mentioned contact pin plastic packaging module is adapted with spill cavity.
Preferably, metal shielding board is fixed on each above-mentioned male end signal transmission module, on above-mentioned metal shielding board
More than two bridge structures are arranged at intervals with, and above-mentioned bridge structure is raised towards the outside of above-mentioned metal shielding board.
Preferably, above-mentioned bridge structure is movably connected on metal shielding board, more than two above-mentioned bridge structures are pressed
It uniformly arranges 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, fixed column is provided on the upper surface of above-mentioned plastic packaging lower module, it is corresponding on above-mentioned plastic packaging upper module
Position at be provided with irregularly-shaped hole, above-mentioned plastic packaging lower module and plastic packaging upper module be full of conjunction by fixed column and irregularly-shaped hole and consolidate
It is fixed.
Preferably, being provided with inserting for more than two stretching module housings on above-mentioned plastic packaging lower module and plastic packaging upper module
Needle-like contact block, and the upper surface of the pin type contact block on above-mentioned plastic packaging lower module offers L-type slot, above-mentioned plastic packaging upper mold
Pin type contact block on block is adapted with above-mentioned L-type slot.
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, above-mentioned contact pin plastic packaging module with it is above-mentioned
There is gap between pressing plate.
Preferably, offering on side of the above-mentioned module housing far from above-mentioned pin type contact block for installing shielding part
Shielding part mounting groove, and the end of the side be provided with installation protrusion.
Preferably, the surface of above-mentioned module housing is covered with electroplated layer.
Preferably, the female end signal that above-mentioned terminative connector includes female end pedestal and is plugged on female 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, 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, 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, it is arranged in module housing of the present invention by the male end signal transmission module in high-speed differential signal connector multiple
Spill cavity, and the cavity is distributed according to difference wiring path so that the differential pair of male end signal transmission module passes through plastic packaging
It is fixed in the concave shaped cavity body in module housing afterwards, so that the cavity be made to form closed signal path, finally makes concave shaped cavity
Three faces for being distributed in differential signal transmission surrounding are electroplated in body, can reduce to the maximum extent mutual dry between Difference signal pair
It disturbs.
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 male end signal transmission module are fixed, multiple male 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 male end signal transmission module
It is logical, to shorten return flow path.
Detailed description of the invention
Fig. 1 is connector construction schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of Male end connector of the invention.
Fig. 3 is the structural schematic diagram of male end signal transmission module and metal shielding board of the invention.
Fig. 4 is the structural schematic diagram of male end signal transmission module 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 the module housing of male end signal transmission module of the invention.
Fig. 7 is the separated structure schematic diagram of plastic packaging upper module and plastic packaging lower module of the invention.
Fig. 8 is the overall structure diagram after metal screen and signal transmission module installation of the invention.
Fig. 9 is the structural schematic diagram of female end signal transmission module of the invention.
Figure 10 is the structural schematic diagram of the module housing of female end signal transmission module of the invention.
Figure 11 is the structural representation that signal of the invention transmits that reed is mounted on module housing in female end signal transmission module
Figure.
Figure 12 is the structural schematic diagram of plastic packaging module and transverse bar of the invention.
Figure 13 is that male end metal screen of the invention is mounted on the structural schematic diagram on male end pedestal.
Figure 14 is that female end metal screen of the invention is mounted on the structural schematic diagram on female end pedestal.
Figure 15 is the structural schematic diagram of male end metal screen of the invention.
Figure 16 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 for one embodiment of the present of invention with reference to Fig. 1,2
Structure schematic diagram, for the high-speed differential signal connector, Male end connector and terminative connector including being mutually inserted cooperation, on
Stating Male end connector includes male end pedestal 300 and multiple male end signal transmission modules being plugged on male end pedestal 300 side by side, is led to
The mating of Male end connector and terminative connector is crossed, so that this kind of high-speed differential signal connector can be realized the steady of signal
Fixed transmission.As shown in Fig. 2, multiple male end module fixing grooves 301 are respectively provided on male end pedestal, for placing male end
Signal transmission module.
Fig. 4 shows the structural schematic diagram of male end signal transmission module of the invention, as shown, above-mentioned signal transmits mould
Block includes module housing 601, plastic packaging lower module 602 and plastic packaging upper module 603, offered in above-mentioned module housing 601 it is multiple by
The spill cavity 604 of difference wiring path distribution, is respectively and fixedly provided with difference on above-mentioned plastic packaging lower module 602 and plastic packaging upper module 603
Cabling and above-mentioned plastic packaging lower module 602 and plastic packaging upper module 603 are grouped together to form contact pin plastic packaging module, i.e. plastic packaging lower die
Block 602 and plastic packaging upper module 603 form the contact pin plastic packaging module with differential pair, for the letter in female end signal transmission module
The differential pair that number transmission reed is formed cooperates, and above-mentioned contact pin plastic packaging module is adapted with spill cavity 604.Through the invention
Structure can be reduced between Difference signal pair so that the plating of spill cavity is distributed in three faces of differential signal transmission surrounding
Interfere with each other.
Fig. 6 shows the structural schematic diagram of module housing 601, and according to the display of module housing 601, spill cavity 604 is set
It sets on the surface of module housing 601, and spill cavity 604 is presented curved channel-shaped, and the spill cavity 604 is from module
A side of shell 601 is extended towards adjacent a side.
The surface of above-mentioned module housing 601 is all covered with electroplated layer.Electroplated layer can be the conductions such as electronickelling, gold, silver, copper
Metal material；In addition module housing 601 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 601；601 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 601 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.
Further, for another embodiment of the invention, on the basis of the above embodiments, each above-mentioned male end letter
It is fixed with metal shielding board 200 in number transmission module, metal shielding board 200 is mounted on signal transmission module, can be to difference
Signal is shielded, and the setting by metal shielding board, when multiple female end signal transmission module laid out in parallel, metal screen are passed through
Covering can realize that multiple spot is connected to adjacent female end signal transmission module, to further shorten the return flow path of differential signal.
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 8, the bulge-structure on metal shielding board is mounted on signal transmission mould
When on block, which will form ground hole 208 between signal differential is to 305, therefore bulge-structure should be located at signal
Between the adjacent Difference signal pair of transmission module, to reduce the crosstalk between signal.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned plastic packaging lower module
It is provided with fixed column 605 on 602 upper surface, is provided with irregularly-shaped hole at corresponding position on above-mentioned plastic packaging upper module 603
606, above-mentioned plastic packaging lower module 602 be full of closing fixing with plastic packaging upper module 603 by fixed column 605 and irregularly-shaped hole 606.This reality
It applies in example, the irregularly-shaped hole 606 of plastic packaging upper module and the fixed column 605 of plastic packaging lower module be full of closing fixing, for fixing difference
It is right, and guarantee that the indirect and difference in each differential pair for the spacing between return flow path, to reduce return flow path, is reduced
Crosstalk between signal differential pair.
Further, for another embodiment of the invention, on the basis of the above embodiments, with reference to Fig. 4, above-mentioned modeling
More than two pin type contact blocks 607 for stretching out module housing 601 are provided on envelope lower module 602 and plastic packaging upper module 603,
And the upper surface of the pin type contact block 607 on above-mentioned plastic packaging lower module 602 offers L-type slot, above-mentioned plastic packaging upper module 603
On pin type contact block 607 be adapted with above-mentioned L-type slot.In the present embodiment, in high-speed differential signal connector, male end letter
Number transmission module and female end signal transmission module are close fits, and in female end signal transmission module, signal transmits reed
It forms contact channel between contact terminal to be inserted into for contact pin, therefore for male end signal transmission module, male end signal is passed
What defeated module was matched with the contact terminal in female end signal transmission module should be the strip-shaped contact block with contact pin property, because
This is for the signal after making plastic packaging lower module and plastic packaging upper module complement each other to form Difference signal pair as contact pin insertion female end
Between the contact terminal for transmitting reed, therefore L-type slot is offered on plastic packaging lower module, convenient for being matched with plastic packaging upper module
It closes, forms male end signal transmission module completely with Difference signal pair.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned module housing
It is offered on 601 and is arranged at intervals with pressing plate 608 at a side of spill cavity 604, and above-mentioned pressing plate is located at adjacent spill
Between cavity 604, square boss 6081 is provided on above-mentioned pressing plate 608, between above-mentioned contact pin plastic packaging module and above-mentioned pressing plate 608
With gap.By setting pressing plate 608 in the present embodiment and in the outside of pressing plate 608, square boss 6081 is set, it is rectangular convex
Platform 1091 has elasticity, can be avoided each square boss between multiple components and is uneven caused insufficient contact, simultaneously
It can guarantee that the square boss of pressing plate end face has elasticity with gap between contact pin plastic module and pressing plate 608.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned module housing
The shielding part mounting groove 609 for installing shielding part, and the side are offered on 601 sides far from above-mentioned pin type contact block
End be provided with installation protrusion 610.Shielding part mounting groove 609 is set on it in the present embodiment and raised 610 convenience are installed
The installation of shielding part, while facilitating the installation of entire signal transmission module.
Simultaneously in order to make Male end connector and terminative connector cooperate, as Male end connector, above-mentioned female end connects
The female end signal transmission module 100 that device includes female end pedestal 400 and is plugged on female end pedestal 400 side by side is connect, when above-mentioned male end
When connector 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 600 and female end signal transmission module 100 are mutually inserted cooperation.
Above-mentioned female end signal transmission module 100 includes module housing 101, signal transmission reed 102 and plastic packaging module 103,
Multiple spill cavitys 104 are offered in above-mentioned module housing 101, above-mentioned signal transmission reed 102 is mounted on spill cavity 104
Interior, above-mentioned plastic packaging module 103 is covered on above-mentioned spill cavity 104 and closes spill cavity 104, and signal is made to transmit reed
102 form closed signal path；For the female end signal transmission module in the embodiment, by above-mentioned structure, so that recessed
Three faces for being distributed in differential signal transmission surrounding are electroplated in shape cavity, can reduce the interference between Difference signal pair.
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.
Figure 10 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.
Figure 11 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, as shown in figure 12, on
It states plastic packaging module 103 and spill cavity 104 corresponds, lead between the plastic packaging module 103 on adjacent above-mentioned spill cavity 104
It crosses transverse bar 107 to be linked together, and the both ends of above-mentioned plastic packaging module 103 are nearby respectively connected with transverse bar 107.For the plastic sealed mould
Transverse bar 107 on block 103 is provided with plastic packaging module compatible with the spill cavity 104 on each spill cavity 104,
In order to embody the stability after structure assembling, therefore the plastic packaging module on each spill cavity 104 is linked as one by transverse bar 107
Body, and be provided with transverse bar near the both ends of plastic packaging module 103 and be connected and fixed, it is convenient that 102 structure of reed is transmitted to signal
At differential pair carry out stablizing fixation, while realize structure installation convenience and integrally-built stability.
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. 6, from Figure 11
Out, in this embodiment, three plastic packaging modules 103 are respectively provided with corresponding to three spill cavitys 104, in plastic packaging module
Plastic packaging module 103 is connected to become an entirety by the transverse bar 107 being arranged by two in 90 degree directions on 103, and when installation only needs
The plastic packaging module 103 being linked together by transverse bar 107 to be covered on spill cavity 104 according to corresponding position, be tied
Structure consolidates easy for installation, while in order to be bonded transverse bar 107 also more with module housing 101, therefore sets in module housing 101
Groove 108 compatible with transverse bar 107 is set；In addition to enabling all grooves opened up or concave shaped cavity body to the maximum extent
Interfering with each other between Difference signal pair is reduced, therefore preferably sets two transverse bars 107 in plastic packaging module 103 in 90 degree of directions
It sets, avoids 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.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned difference walks route
Diameter is the adjacent side edge that the module housing 101 is extended to from a side of module housing 101, and above-mentioned signal transmits spring
The contact terminal 1021 of piece 102 stretches to the outside of module housing 101.In the present embodiment, the path of difference cabling is limited, due to letter
Number transmission reed 102 will carry out signal transmitting, then the both ends of signal transmission reed 102 all may carry out signal biography with other structures
It is defeated, therefore according to the transmission principle of signal connector, signal transmits reed 102 and arc-shaped bend setting, therefore difference cabling is presented
Path is the adjacent side edge that the module housing 101 is extended to from a side of module housing 101, to make signal transmit reed
102 contact terminal 1021 is cooperated with male end contact pin, and the contact terminal 1021 of signal transmission reed 102 stretches to module housing
101 outside.
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 13, 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 14, 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. 15, 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. 16, 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 15, 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 shown in Figure 13 and Figure 15, 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 13, 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 Male end connector includes male end pedestal (300) and multiple male end signals being plugged on male end pedestal (300) side by side
Transmission module (600),
The male end signal transmission module (600) includes module housing (601), plastic packaging lower module (602) and plastic packaging upper module
(603), multiple spill cavitys (604) being distributed by difference wiring path are offered on the module housing (601),
Difference cabling and the plastic packaging lower module are respectively and fixedly provided on the plastic packaging lower module (602) and plastic packaging upper module (603)
(602) and plastic packaging upper module (603) is grouped together to form contact pin plastic packaging module, the contact pin plastic packaging module and spill cavity
(604) it is adapted.
2. high-speed differential signal transmission module according to claim 1, it is characterised in that: each male end signal transmission
It is fixed in module metal shielding board (200), is arranged at intervals with more than two bridge structures on the metal shielding board (200)
(201), and the bridge structure (201) is raised towards the outside of the metal shielding board (200).
3. high-speed differential signal connector according to claim 2, 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 2, it is characterised in that: the metal shielding board (200)
It is arranged at intervals with more than two bulge-structures (206), and is provided with above the bulge-structure (206) convex in a side
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 or 2 or 3, it is characterised in that: the terminative connector packet
The female end signal transmission module (100) for including female end pedestal (400) and being plugged on female end pedestal (400) side by side, when the male end
When connector and terminative connector plug, the male end pedestal (300) and female end pedestal (400) are mutually inserted cooperation, described
Male end signal transmission module (600) and female end signal transmission module (100) are mutually inserted cooperation.
6. high-speed differential signal connector according to claim 5, it is characterised in that: the female end signal transmission module
(100) include module housing (101), signal transmission reed (102) and plastic packaging module (103), opened on the module housing (101)
Equipped with multiple spill cavitys (104), signal transmission reed (102) is mounted in spill cavity (104), the plastic packaging module
(103) it is covered on the spill cavity (104) and closes spill cavity (104), signal transmission reed (102) is made to form envelope
The signal path closed.
7. high-speed differential signal connector according to claim 6, 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).
8. high-speed differential signal connector according to claim 7, 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.
9. high-speed differential signal connector according to claim 5, 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 |
|---|---|---|---|
| CN201910020403.5A CN109546465B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020403.5A CN109546465B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
Publications (2)
| Publication Number | Publication Date |
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| CN109546465A true CN109546465A (en) | 2019-03-29 |
| CN109546465B CN109546465B (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910020403.5A Active CN109546465B (en) | 2019-01-09 | 2019-01-09 | High-speed differential signal connector |
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| CN109546465B (en) | 2023-10-10 |
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Address after: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Applicant after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Applicant before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
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