CN100593268C - High speed data transmission electric connector possessing dual shield function - Google Patents
High speed data transmission electric connector possessing dual shield function Download PDFInfo
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- CN100593268C CN100593268C CN200710077771A CN200710077771A CN100593268C CN 100593268 C CN100593268 C CN 100593268C CN 200710077771 A CN200710077771 A CN 200710077771A CN 200710077771 A CN200710077771 A CN 200710077771A CN 100593268 C CN100593268 C CN 100593268C
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- laminate
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Abstract
A high-speed data transmitting electric connector with dual shield functions comprises a plug connector and a socket connector which is in butt joint with the plug connector, wherein the socket connector utilizes a dual shield structure, namely respectively arranging ground shield plates between rows and columns of each differential contact element pair, arrangement of the shield plate rows and columns is realized by laminates in the socket connector, shield plates among rows and columns are connected by interference forced fit of stitches and flexible contact at the transition end or direct forced fit, thereby realizing reliable electric connection, and achieving the purposes of controlling impedance of each differential pair, reducing mutual interference of each differential pair, and realizing high-speed data transmission.
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 one 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:
This electric connector is made up of pin connector and the socket connector that docks with it, described socket connector is by the interface insulating cover, laminate, connect buckle and be installed in the interior differential contact elements of each laminate forming, differential contact elements in each laminate is to being equipped with shield blade between shield blade and row in the ranks respectively between each row and each row, described laminate connects the reed difference by it and is divided into A type laminate and Type B laminate, A type laminate and Type B laminate are spaced and make it connect that reed is staggeredly located and the contact-making surface bending direction is opposite, and be connected buckle and the interface insulating cover connects to form socket connector integral body.
This electric connector described A type laminate or Type B laminate are by shield blade, insulating mounting plate, differential contact elements between row and in the ranks shield blade assembly and insulation cover plate combine, wherein differential contact elements is integral material machine-shaping with shield blade assembly in the ranks, shield blade is provided with and connects reed, fixing bit slice and locate barb between row, and the bending direction of adjacent connection reed contact-making surface 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, be provided with to hold between row and connect the reed and the fixing groove crack of bit slice on the shield blade, be provided with reference column, location notch and locating piece simultaneously, insulation cover plate is provided with the guide-localization groove, be provided with location notch that fixedly bit slice is corresponding and hold the differential contact elements and the location notch of shield blade assembly in the ranks, be provided with the insulating mounting plate on the corresponding location hole of reference column, be connected the reversed in order of reed contact-making surface bending direction on described Type B laminate and the A type laminate.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: 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-connection reed, fixedly bit slice, 30-locate barb, 31-location notch, 32-contact pin pin, 33-wedge shape, 34-locating piece to 29-between 14-row.
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;
Among the figure: 40-contact pin pin tie point.
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, connection buckle 9 and be installed in differential contact elements in each laminate to forming.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 Fig. 2, shown in Figure 3 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, at each differential contact elements of its socket connector 5 between each row and the row, shield blade is set respectively between row and the row in the ranks and be listed as between shield blade, in the ranks, be listed as between shield blade be installed on the 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 the reed and the fixing groove crack 19,20 of bit slice between row on the shield blade, is provided with reference column 23, location notch 21, locating piece 34 simultaneously; 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 the differential contact elements and the location notch 25,26 of shield blade 16 in the ranks, be provided with location hole (24) and the reference column (23) corresponding with insulating mounting plate 15, a side also is provided with wedge shape 33.
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 shield blade 14 between row, 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 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 in this connector 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 described connector in the ranks between shield blade and row shield blade be communicated with the electric continuity in loop thereby sufficient assurance interconnects.
Claims (6)
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: described socket connector (5) is by interface insulating cover (6), laminate, connect buckle (9) and be installed in the interior differential contact elements of each laminate forming, differential contact elements is to being equipped with shield blade (14) between shield blade and row in the ranks respectively between each row and each row in each laminate, 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) are spaced and make it connect that reed is staggeredly located and the contact-making surface bending direction is opposite during installation, and be connected buckle (9) and interface insulating cover (6) connects to form socket connector integral body.
2, by the described high speed data transmission electric connector of claim 1 with dual shield function, it is characterized in that: described A type laminate (7) or Type B laminate (8) are by shield blade (14) between row, insulating mounting plate (15), differential contact elements is with in the ranks shield blade assembly (16) and insulation cover plate (17) combine, wherein differential contact elements is integral material machine-shaping with shield blade assembly in the ranks, shield blade between row (14) is provided with and connects reed (27,28), fixedly bit slice (29) and the location barb (30), adjacent connection reed (27,28) bending direction of contact-making surface 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, be provided with to hold between row and connect the reed and the fixing groove crack (19 of bit slice on the shield blade, 20), be provided with reference column (23) simultaneously, location notch (21) and locating piece (34), insulation cover plate (17) is provided with guide-localization groove (22), be provided with location notch 31 that fixedly bit slice is corresponding and hold the differential contact elements and the location notch (25 of shield blade assembly (16) in the ranks, 26), be provided with and the corresponding location hole (24) of reference column (23) on the insulating mounting plate, be connected the reversed in order of reed contact-making surface bending direction on Type B laminate and the A type laminate.
3, 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).
4, 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 the pin connector differential contact elements to the location hole (10) of unit (14) with hold the location notch (11) of pin connector earth shield sheet (3), be provided with butt joint lead (12) simultaneously.
5, 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 shield blade between row (14) is provided with tie point (40), connects reed (27,28) terminal and is provided with tie point (41).
6, by the described high speed data transmission electric connector of claim 5 with dual shield function, it is characterized in that: this electric connector and printed board are press-fitted when installing and are communicated with the ground wire of extraneous interconnection line by described contact pin pin tie point (40), in the ranks shield blade be listed as between shield blade by being connected reed Termintion connection point (41) Elastic Contact or be press-fitted connection.
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 possessing dual shield 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 possessing dual shield function |
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| Publication Number | Publication Date |
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| CN101312275A CN101312275A (en) | 2008-11-26 |
| CN100593268C true CN100593268C (en) | 2010-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710077771A Expired - Fee Related CN100593268C (en) | 2007-05-26 | 2007-05-26 | High speed data transmission electric connector possessing dual shield function |
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| CN101312275A (en) | 2008-11-26 |
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Granted publication date: 20100303 Termination date: 20200526 |