CN101312275A - High-speed data transmission electric connector with double shielding function - Google Patents
High-speed data transmission electric connector with double shielding function Download PDFInfo
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- CN101312275A CN101312275A CNA2007100777710A CN200710077771A CN101312275A CN 101312275 A CN101312275 A CN 101312275A CN A2007100777710 A CNA2007100777710 A CN A2007100777710A CN 200710077771 A CN200710077771 A CN 200710077771A CN 101312275 A CN101312275 A CN 101312275A
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- 238000009413 insulation Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 abstract 1
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- 238000010276 construction Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
A high-speed data transmission electric connector with double shielding function comprises a plug connector and a socket connector which is butted with the plug connector. The socket connector adopts a double-shielding structure, namely, grounding shielding sheets are respectively arranged between rows and columns of the differential contact pairs. The arrangement of the row and column shielding sheets is realized by a layer plate in the socket. The inter-row shielding sheets and the inter-column shielding sheets are connected together in an interference press fit mode of pins and an elastic contact or direct press fit mode at a transition end, so that reliable electrical connection is realized, and the aims of controlling the impedance of each differential pair, reducing mutual crosstalk and realizing high data transmission are fulfilled.
Description
One, technical field
The present invention relates to a kind of high speed data transmission electric connector, relate in particular to a kind of by the right high speed data transmission electric connector of dual earth shield sheet isolating difference contact with function of shielding.
Two, background technology
In the electronic interconnection system, generally realize between the printed board with electric connector or printed board and lead between be connected, raising along with field devices such as electronics and communication or system works frequency, the requirement of electronics and this connector of communications industry bound pair is also more and more higher-from only realizing simple electrical communication at first, need to satisfy the high-speed interconnect requirement of Gbps level data transmission rate till now, experienced development and the renewal of number for product.Problems of Signal Integrity such as this novel high speed data transmission connector needs that can satisfy Gbps level data transmission rate solve such as impedance, shield, crosstalk, reflection and time delay.
Having set forth the metallic shield problem among the open 49-6543 of Japan's special permission of Fujitsu Ltd.'s submission in 1974, is the early stage use of metallic shield technology.
Discussed about being applied to the metallic shield problem to signal contacting piece in the connector in No. the 4632476th, the laid-open U.S. Patents in 1986, the design that has disclosed a kind of connector has wherein been used metallic shield between the signal contact row.
A kind of connector construction is disclosed in nineteen ninety No. the 4975084th, the laid-open U.S. Patents.This connector is used in the signal integrity letter that the method for inserting the earth shield sheet between the adjacent signals contact row is improved connector.
A kind of connector construction is disclosed in No. the 6231391st, the United States Patent (USP).This connector comprises a pedestal, a plurality of signal pins, a continuous band and a plurality of grounding pin, wherein band has a plurality of shielding blades continuously, a plurality of shielding blades are according to the shape moulding of right-angle cross-section, keep apart each signal pins, thereby be corresponding ground shield of each signal pins outfit.
Similar above-mentioned those connectors of mentioning, such as patent documentation 4632476,4975084 and 6231391, the electric connector technical performance is constantly improved, but also there are deficiency and defective at aspects such as transmission rate, shield effectiveness or Project Realization expenses, are difficult to satisfy higher level demands such as two-forty, high density and low cost.
On the other hand, the package dimension of connector often limits its concrete application scenario.For example the connectors such as HS3, Z-DOK of Tyco electronics, inc. production show the higher signal characteristic, its transmission rate has reached 6.2Gbps even more than the 10Gbps, but because package dimension is incompatible, they may not be applied in the computer interconnected systems at Compact PCI specification.
A kind of optional electrical connector plug discloses in Chinese patent 1643742A (application number is 03807091.X), and this electric connector has adopted L shaped in the same way mask array, and each differential pair is kept apart, and has formed the differential pair cross section array of a plurality of congruences.But, because L shaped in the same way mask array does not structurally have symmetry, the inconvenient concrete operations of this connector; The quantity of its earth shield sheet is more simultaneously, and efficiency of assembling is on the low side.
Therefore, be necessary to provide a kind of improved high speed data transmission electric connector, to overcome existing defective in the prior art with function of shielding.
Three, summary of the invention
Purpose of the present invention is exactly the deficiency that exists at present high speed data transmission electric connector, and a kind of electric connector with high speed data transfer of dual shield function is provided.
For achieving the above object, the present invention has the scheme that the high speed data transmission electric connector of dual shield function takes and is:
On the socket connector of the high speed data transmission electric connector of forming by pin connector and the socket connector that docks with it, adopt the dual shield structure, promptly between each differential contact elements of described socket is to each row and row, shield blade between capable shield blade and row is set respectively between row and the row.Above-mentioned socket connector is by the interface insulating cover, laminate, and connect buckle and form, the setting of row, column shield blade realizes by described laminate, described laminate is divided into A type laminate and Type B laminate by connecting reed bending direction difference, A type laminate and Type B laminate connect that reed is staggeredly located and the corresponding position bending direction is opposite, the installing differential contact elements is to reaching in the ranks in each laminate, shield blade between row, A type laminate, Type B laminate interleaved are arranged and are connected buckle and the interface insulating cover connects to form socket integral body.
Wherein said A type laminate by shield blade, insulating mounting plate, differential contact elements between row and in the ranks the shield blade insulation cover plate form, wherein differential contact elements adopts whole machine-shaping with shield blade in the ranks, between row shield blade be provided with connect reed, fixedly bit slice, locate barb, adjacent connection reed bending direction is opposite; The insulating mounting plate is provided with and installs and fixes the differential contact elements and the curved groove of shield blade in the ranks, is provided with to hold to connect reed and fixedly groove crack, reference column, location notch, the locating piece of bit slice between row on the shield blade; Insulation cover plate is provided with the positioning and guiding groove, with location notch that fixedly bit slice is corresponding, hold the differential contact elements and the location notch of shield blade in the ranks.
Each part that to form laminate by above-mentioned reference column, location notch, gathering sill is connected and fixed.
The present invention and existing high speed data transmission electric connector relatively have the following advantages:
1, package dimension is little;
2, more economically;
3, has the quality signal operating characteristic;
4, can control each differential pair impedance, reduce it and crosstalk each other.
Four, description of drawings
Fig. 1 is the three-dimensional exploded view of the preferred embodiments of the present invention.
Among the figure: 1-pin connector, 2-insulating base, 3-earth shield sheet, 4-differential contact elements connect buckle to unit, 5-socket connector, 6-interface insulating cover, 7-A type laminate, 8-B type laminate, 9-.
Fig. 2 is the stereogram of the socket connector of the preferred embodiment of the present invention
Among the figure: 6-interface insulating cover,
Fig. 3 is that the socket connector of the preferred embodiment of the present invention plugs together the interface partial enlarged drawing.
10-location hole, 11-location notch, 12-dock lead.
Fig. 4 is the A type laminate stereogram of the preferred embodiment of the present invention.
Among the figure: 7-A type laminate
Fig. 5 is the A type laminate exploded view of the preferred embodiment of the present invention.
Among the figure: 14-row shield blade, 15-insulating mounting plate, 16-contact and in the ranks shield blade assembly, 17-insulation cover plate, 18-curve elongated slot, 19-groove crack, 20-groove crack, 21-location notch, 22-guide-localization groove, 23-reference column, 24-location hole, 25-location notch, 26-location notch, 27-are connected reed, 28-and connect reed, 29-fixedly bit slice, 30-locate barb, 31-location notch, 32-contact pin pin, 33-wedge shape, 34-locating piece.
Fig. 6 is the Type B laminate stereogram of the preferred embodiments of the present invention.
Among the figure: 8-B type laminate.
Fig. 7 is that the preferred embodiments of the present invention connect the buckle schematic diagram
Among the figure: 9-connects buckle, 35-draw-in groove, 36-guide-localization post, 37-hole clipping, 38-location hole, 39-tie-beam.
Fig. 8 is a preferred embodiment of the present invention laminate contact pin pin place partial enlarged drawing;
40-contact pin pin tie point among the figure.
Fig. 9 is a preferred embodiment of the present invention laminate reed terminal partial enlarged drawing;
Among the figure: 41-reed Termintion connection point.
Five, specific implementation method
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing:
Shown in Figure 1 is the preferred embodiments of the present invention, and this connector is made up of pin connector 1, socket connector 5.Wherein pin connector 1 comprises that insulating base 2, earth shield sheet 3 and differential contact elements are to unit 4; Socket connector 5 is by interface insulating cover 6, laminate and be connected buckle 9 and form.Have on the interface insulating cover 6 and hold location hole 10 and the location notch 11 of differential contact elements, be provided with butt joint lead 12 simultaneously, for whole electric connector for socket provides accurate butt joint interface, as shown in Figure 2 to unit 4; Connect buckle 9 and be provided with draw-in groove 35, guide-localization post 36, hole clipping 37, location hole 38 and tie-beam 39, as shown in Figure 7;
For realizing the dual shield of this electric connector, between each differential contact elements of its socket connector 5 is gone and is gone each, shield blade between capable shield blade and row is set respectively between row and the row, the setting of row, column shield blade realizes by above-mentioned laminate, described laminate is divided into A type laminate 7 and Type B laminate 8 by connecting reed bending direction difference, in each laminate, all be equiped with differential contact elements to reaching shield blade assembly 16 in the ranks, shield blade 14 between row, and A type laminate, Type B laminate are spaced and are connected buckle 9 and are connected the back with interface insulating cover 6 and form socket integral body.
Fig. 5 is the exploded view of A type laminate 7 among the present invention, and it is by row shield blade 14, insulating mounting plate 15, contact and in the ranks shield blade assembly 16 and insulation cover plate 17 are formed.The decomposition texture of Type B laminate is similar with it, only be elaborated below with A type laminate 7, as shown in Figure 5, differential contact elements wherein adopts integral body to be processed into one with shield blade in the ranks 16, between row shield blade 14 be provided with connect reed 27,28, fixedly bit slice 29, locate barb 30, contact pin pin 32 is opposite with adjacent connection reed 27,28 bending directions of a kind of laminate; Insulating mounting plate 15 is provided with and installs and fixes the differential contact elements and the curve elongated slot of shield blade 16 in the ranks, is provided with to hold to connect reed and fixedly groove crack 19,20, reference column 23, location notch 21, the locating piece 34 of bit slice between row on the shield blade; Insulation cover plate 17 is provided with positioning and guiding groove 22, be provided with location notch 31 that fixedly bit slice is corresponding and hold differential contact elements and also be provided with wedge shape 33 with location notch 25,26, one sides of shield blade 16 in the ranks.
When socket connector 5 each unit were connected and fixed, A type laminate 7 and Type B laminate 8 interleaved were arranged (as Fig. 1), cooperated the location arrangement that realizes each laminate by the insertion that connects the guide-localization groove on guide-localization post 36 and the laminate 7,8 on the buckle 9; Cooperate with wedge on the laminate and fix its relative position by connecting hole clipping 37 on the buckle 9; Cooperate to come ruggedized construction, the normal plug and the anti-environment capacity of assurance product by what connect locating piece 34 on location hole 38 and the laminate on the buckle 9.A, Type B laminate 7,8 cooperate by the positioning guide column on it with laminate gathering sill on the insulating cover of interface and realize its accurate butt joint.The fixed-site of A type laminate 7, Type B laminate 8 and interface insulating cover 6 is to cooperate by the locking that is connected wedge on tie-beam 39 on the buckle 9, draw-in groove 35 and the interface insulating cover and socket to realize.
The difference of the Type B laminate 8 of the preferred embodiment of the present invention and A type laminate 7 is mainly reflected in being connected on the reed of row shield blade, plug together the requirement of interface (as Fig. 3) according to the preferred embodiment of the present invention, for the shielding finger that makes plug reliably contacts, shield blade in the socket 5 between row and the row requires to stagger certain distance, requires their contact-making surface reverse simultaneously.Like this, to connect the reed bending direction opposite for be connected reed location dislocation and the two-ply correspondence position of Type B laminate 8 and A type laminate 7.
In addition, in order to guarantee the electric continuity of grounded circuit, the place is provided with tie point 40 at row shield blade contact pin pin, in the contact spring terminal tie point 41 is set also, as Fig. 8, shown in Figure 9, wherein contact pin pin tie point 40 is press-fitted when installing by product and printed board and is communicated with the ground wire of extraneous interconnection line, contact spring Termintion connection point 41 by Elastic Contact or be press-fitted make in the ranks ground strip and be listed as between shield blade be communicated with.Thereby guarantee the electric continuity in interconnection loop fully.
Claims (7)
1, a kind of high speed data transmission electric connector with dual shield function, form by pin connector (1) and the socket connector (5) that docks with it, it is characterized in that: the socket connector in the described electric connector (5) is gone up and is adopted the dual shield structure, promptly between each differential contact elements of described socket is to each row and row, shield blade between capable shield blade and row is set respectively between row and the row, described socket connector (5) is by interface insulating cover (6), laminate and connection buckle (9) are formed, OK, the setting of row shield blade realizes by set laminate, the installing differential contact elements is to reaching row in each laminate, shield blade between row, two kinds of laminates are spaced and connect to form socket integral body with connecting plate buckle (9) and interface insulating cover (6).
2, by the described high speed data transmission electric connector of claim 1 with dual shield function, it is characterized in that: described laminate connects the reed difference by it and is divided into A type laminate (7) and Type B laminate (8), A type laminate (7) and Type B laminate (8) connect that reed is staggeredly located and the corresponding position bending direction is opposite, and A type laminate (7) is arranged with Type B laminate (8) interleaved during installation.
3, by the described high speed data transmission electric connector of claim 2 with dual shield function, it is characterized in that: described A type laminate by shield blade (14), insulating mounting plate (15), differential contact elements between row and in the ranks shield blade (16) insulation cover plate (17) form, wherein differential contact elements adopts whole machine-shaping with shield blade (16) in the ranks, shield blade between row (14) be provided with connect reed (27), fixedly bit slice (28), locate barb (30), adjacent connection reed bending direction is opposite; Insulating mounting plate (15) is provided with and installs and fixes the differential contact elements and the curved groove of shield blade (16) in the ranks, is provided with to hold to connect reed and fixedly the groove crack of bit slice (19,20), reference column (23), location notch (21), locating piece (34) between row on the shield blade; Insulation cover plate (17) is provided with positioning and guiding groove (22), be provided with location notch (31) that fixedly bit slice is corresponding and hold differential contact elements and the location notch of shield blade (16) (25,26) in the ranks.
4, by the described high speed data transmission electric connector with dual shield function of claim 1, it is characterized in that: described connection buckle (9) is provided with draw-in groove (35), guide-localization post (36), hole clipping (37), location hole (38) and tie-beam (39).
5, by the described high speed data transmission electric connector of claim 1 with dual shield function, it is characterized in that: have on the interface insulating cover (6) and hold location hole (10) and the location notch (11) of differential contact elements, be provided with butt joint lead (12) simultaneously the unit.
6, by the described high speed data transmission electric connector with dual shield function of claim 1, it is characterized in that: the contact pin pin of row shield blade (14) is provided with tie point (40), connects reed (27,28) terminal and is provided with tie point (41).
7, by the described high speed data transmission electric connector of claim 6 with dual shield function, it is characterized in that: contact pin pin tie point (40) is press-fitted when installing by product and printed board and is communicated with the ground wire of extraneous interconnection line, connection reed tie point (41) by Elastic Contact or be press-fitted make in the ranks ground strip and be listed as between shield blade be communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710077771A CN100593268C (en) | 2007-05-26 | 2007-05-26 | High-speed data transmission electric connector with double shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710077771A CN100593268C (en) | 2007-05-26 | 2007-05-26 | High-speed data transmission electric connector with double shielding function |
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| CN101312275A true CN101312275A (en) | 2008-11-26 |
| CN100593268C CN100593268C (en) | 2010-03-03 |
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| CN200710077771A Expired - Fee Related CN100593268C (en) | 2007-05-26 | 2007-05-26 | High-speed data transmission electric connector with double shielding function |
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