CN101335407B - High speed transmission electric connector with shielding plate indirect earthed - Google Patents
High speed transmission electric connector with shielding plate indirect earthed Download PDFInfo
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- CN101335407B CN101335407B CN2007100778249A CN200710077824A CN101335407B CN 101335407 B CN101335407 B CN 101335407B CN 2007100778249 A CN2007100778249 A CN 2007100778249A CN 200710077824 A CN200710077824 A CN 200710077824A CN 101335407 B CN101335407 B CN 101335407B
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- shield
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- connector
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Abstract
The invention discloses a high-speed transmission electric connector with a shield piece grounding indirectly, which comprises a mother board connector and a daughter plate connector. The mother board connector comprises an insulating base, a plurality of differential signal receiving pieces, a plurality of grounded shielding contacting pieces and a plurality of shielding pieces; the base is provided with a plurality of limiting holes and a narrow and long notch, a plurality of differential signal receiving pieces, the grounded shielding contacting piece is contained and fixed in space of the holes, the shielding piece is contained and fixed in the narrow and long notch, the mother board connector is contacted and connected with the shielding piece through grounded shielding piece, thus realizing horizontal shield; the grounded shielding piece is provided with no grounded pins, is contacted to the grounded shielding contacting piece in the limited holes through a tape, and indirectly realizes a vertical shield, thus preventing transmission signals from the crosstalk of other signals in the base, improving the integrity of signals borne by the connector, and reducing processing difficulty and manufacturing cost.
Description
One, technical field
The present invention relates to a kind of high speed transmission electric connector, relate in particular to a kind of shielding plate indirect earthed high speed transmission electric connector, belong to electric connector field.
Two, background technology
Along with the raising of high speed interconnection system transmission speed, the electric connector that requires to be used for high speed interconnection system must not reduce signal quality at certain space more faster data signals of carrying.
The connection of signal often distance is very near, makes to occur undesired crosstalking between the contiguous signal.Along with the miniaturization of electronic equipment and the generally raising of data processing speed, crosstalking becomes a key factor of connector design.Reducing the existing method of crosstalking is that the ground signalling pin is set in the signal pins zone.In order to make the electric coupler component of high-speed transfer, the designer has inserted earth shield at approach signal connector place.These earth shields have reduced the electromagnetic coupled between the signal, if rational project organization, shielding can also improve the integrality of connector carrying signal by the impedance of control signal path.
By to differential signal design electric connector, can obtain the better control of crosstalking.
And connector assembly must satisfy certain application conditions, and it depends on the concrete space constraints of application type, as represents the HM connector of industrial standard connector.But, the HM connector can not be applied to all fields of expecting better signal operating characteristic. and some connector can supply signal operating characteristic preferably, as the Z-DOK and Z-DOK+ series connector of Tyco company, but possibly can't satisfy the encapsulation requirement of some connector standards.
The connector of patent documentation 03807091 provides a kind of L type earth-shielded structure, and this structure is effectively controlled the EM coupling, but structure is comparatively complicated, the technological requirement height.Reducing the difficulty of processing of connector, reduce cost, can provide reliable performance simultaneously, is the development trend of high-speed electrical connectors.
Three, summary of the invention
The purpose of this invention is to provide a kind of shielding plate indirect earthed high speed transmission electric connector, can satisfy the electric coupler component that is used for the transmitting high speed differential signal.This electric coupler component comprises a motherboard connector and a sub-connector for substrate, and motherboard connector comprises an insulating base, a plurality of differential signal contact pin, a plurality of earth shield contact and a plurality of shield blade.Pedestal is provided with a plurality of limiting holes and long and narrow fluting, and a plurality of differential signal contact pin, earth shield contact are admitted and are fixed in these spaces, hole, and shield blade is received and is fixed in the long and narrow fluting.This motherboard connector is connected with the shield blade contact by the earth shield contact realizes transverse shielding, can make the signal that is transmitted avoid the interference of other signal in the pedestal like this.
The beneficial effect that adopts technical scheme of the present invention is to have reduced crosstalking between the adjacent signals, improves the integrality of connector carrying signal, simultaneously, reduces difficulty of processing and manufacturing cost, and the unfailing performance requirement of satisfying connector.
Four, description of drawings
Fig. 1 is the shielding plate indirect earthed high speed transmission electric connector general structure schematic diagram of the present invention;
Among the figure: 1-motherboard connector, 2-daughter board connector, 10-insulating base, the contact pin of 11-differential signal, 12-earth shield contact, 13-shield blade, 20-multi-layer sheet, 21-fixed head, 22-stiffener.
Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the assembling schematic diagrames of the motherboard connector of the shielding plate indirect earthed high speed transmission electric connector of the present invention;
Among the figure: 10-insulating base, the contact pin of 11-differential signal, 12-grounding wafer, 13-shield blade, the curved pawl of 111-, 112-tortuous bow, 113-hangnail, the curved pawl of 121-, 122-draw a bow, 131-bends pawl, 132-draws a bow, 133-returns sheet, 134-support, 135-hangnail.
Fig. 7, Fig. 8 are the main TV structure figure and the plan structure figure of the insulating base of the shielding plate indirect earthed high speed transmission electric connector of the present invention;
Among the figure: 101,102-groove, 103-rib, 104,105-limiting hole, 106-elongate slot, 1031,1032-hole clipping.
Fig. 9, Figure 10 are the overall installation diagrams of the daughter board connector of the shielding plate indirect earthed high speed transmission electric connector of the present invention;
Among the figure: 2-daughter board connector, 20-multi-layer sheet, 21-fixed head, 22-stiffener.
Figure 11 is the assembling schematic diagram of the shielding plate indirect earthed high speed transmission electric connector la m of the present invention;
Among the figure: 201-cover plate, 202-differential signal pin, 203-ground shield pin, 204-mounting panel, 205-barricade, 2011-location hole, 2031-perforate, 2041-grab, 2042-projection, 2051,2052-crotch.
Five, embodiment
Shielding plate indirect earthed high speed transmission electric connector of the present invention is described in further detail with embodiment below in conjunction with accompanying drawing:
As shown in Figure 1, the general structure schematic diagram of the high speed transmission electric connector that the present invention is shielding plate indirect earthed, this electric coupler component comprise a motherboard connector 1 and a sub-connector for substrate 2.Motherboard connector 1 comprises an insulating base 10, a plurality of differential signal contact pin 11, a plurality of earth shield contact 12 and a plurality of shield blade 13.Differential signal contact pin 11, earth shield contact 12 and shield blade 13 are wrapped in has extremely strong mechanical performance in the insulating base 10.Daughter board connector 2 comprises a plurality of laminate 20, a fixed head 21 and a stiffener 22.Fixed head 21 and stiffener 22 are admitted and fixing a plurality of laminates 20, and two-way intensity guarantees before and after providing.
Among Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, a plurality of differential signal contact pin 11, earth shield contact 12 and shield blade 13 place in the insulating base 10.Each differential signal contact pin 11 is provided with a curved pawl 111,112 and two hangnails 113 of drawing a bow.Curved pawl 111 is accommodated in the hole clipping 1032 on the rib 103, and two hangnails 113 are accommodated in the limiting hole 104, and differential signal contact pin 11 is fixed in the insulating base 10.Curved pawl 11 is arranged on the top of differential signal contact pin 11, two hangnails 113 are arranged on fixed part, curved pawl 111 112 is connected by drawing a bow, the structure of the structure of earth shield contact 12 and principle and differential signal contact pin 11 and principle is identical and hold side by side with differential signal contact pin 11 and be fixed in the limiting hole 105, and between two pairs of differential signal contact pin, realize vertically shielding.Shield blade 13 comprises a plurality of curved pawls 131, a plurality of tortuous bow 132, return sheet 133, two supports 134 and hangnails 135.The curved pawl 131 of shield blade is accommodated in the hole clipping 1031 on the rib 103, and support 134 is received within the groove of establishing in the pedestal 102 and is by limiting hole 105 and the long and narrow fluting 106 established in the pedestal that shield blade 13 is fixing.Shield blade 13 is not established grounding pin, contacts indirect earthedly in limiting hole 105 with earth shield contact 12 by returning sheet 133, realizes horizontal shield effectiveness.After differential signal contact pin 11, earth shield contact 12 and shield blade 13 are seated, differential signal contact pin 11, earth shield contact 12 are oppositely placed with shield blade 13, the tortuous bow 132 of the tortuous bow 112 of differential signal contact pin 11, the tortuous bow of earth shield contact 12 122 and shield blade 13 is used mechanical pressure is provided, contact pressure in increase and the daughter board connector 2 between differential signal pin 202, ground shield pin 203 and the barricade 205 can reduce contact resistance effectively.Be provided with a shield blade 13 between every laterally differential signal contact pin 11 and the earth shield contact 12, realize transverse shielding.Such structure has realized the expansion of crisscross shield effectiveness and suitable and vertical and horizontal.
Fig. 7, Fig. 8 are the main TV structure figure and the plan structure figure of the insulating base of the shielding plate indirect earthed high speed transmission electric connector of the present invention, be provided with a plurality of ribs 103 and a plurality of groove 101,102 in this insulating base 10, on each rib 103 and sidewall, have a plurality of hole clippings 1031,1032.Differential signal contact pin 11 and earth shield contact 12 are accommodated in the limiting hole 104, and the curved pawl 111 of differential signal contact pin 11 and the curved pawl 121 of earth shield contact 12 are defined and are contained in differential signal contact pin 11 and earth shield contact 12 are fixed in the insulating base 10.Shield blade 13 is accommodated in the limiting hole 105, cooperates by groove 102, hole clipping 1031 and long and narrow fluting 106 to fix shield blade 13.In limiting hole 105, the sheet 133 that returns of shield blade 13 contacts the function of shielding of realizing vertical and horizontal with earth shield contact 12.In addition, groove 101 is used to admit daughter board connector 2, and holds under the mechanical engagement of differential signal contact pin 11, earth shield contact 12 and shield blade 13 and stator connector for substrate 2.
Fig. 9, Figure 10 are the overall installation diagrams of the daughter board connector of the shielding plate indirect earthed high speed transmission electric connector of the present invention, and this daughter board connector 2 comprises a plurality of laminate 20, a fixed head 21 and a stiffener 22.Laminate 20 is received and is fixed in the fixed head 21, and stiffener 22 is installed in the front of laminate 20, and cooperates the mechanical strength protection that positive and negative both direction is provided with fixed head 21.
Figure 11 is the assembling schematic diagram of the shielding plate indirect earthed high speed transmission electric connector la m of the present invention, and each laminate 20 comprises a cover plate 201, a plurality of differential signal pin 202, ground shield pin 203, a mounting panel 204 and a barricade 205.Differential signal pin 202 and ground shield pin 203 are accommodated in the mounting panel 204, and cover plate 201 is fixed on the mounting panel 204 by location hole 2011, and differential signal pin 202 and ground shield pin 203 can be fixed in the mounting panel 204.Ground shield pin 203 is provided with a perforate 2031, is used for contacting with the crotch 2052 of barricade 205 shield effectiveness of realization barricade.Mounting panel 204 is mounted and fixed in the fixed head 21 by the grab 2041 of mounting panel, and the projection 2042 of mounting panel is used for guiding and fixing stiffener 22.Barricade 205 is fixed on the mounting panel 204 by the crotch 2051 of barricade, by contact the conducting that realizes the shielded signal loop with ground shield pin 203.
Claims (4)
1. shielding plate indirect earthed high speed transmission electric connector, it comprises a motherboard connector (1) and a sub-connector for substrate (2), it is characterized in that: motherboard connector comprises an insulating base (10) and is wrapped in the interior a plurality of differential signal contact pin (11) of insulating base (10), a plurality of earth shield contacts (12) and a plurality of shield blade (13); Daughter board connector (2) comprises a plurality of laminates (20), a fixed head (21) and a stiffener (22); Fixed head (21) and stiffener (22) are admitted and fixing a plurality of laminates (20), and two-way intensity guarantees before and after providing; Be provided with a plurality of limiting holes (105) and long and narrow fluting (106) in the pedestal (10), a plurality of differential signal contact pin (11), earth shield contact (12) are admitted and are fixed in these spaces, hole, shield blade (13) is admitted and is fixed in the long and narrow fluting (106), this motherboard connector (1) is connected by the contact of earth shield contact (12) and shield blade (13) realizes transverse shielding, makes the signal of transmission avoid the interference of interior other signal of insulating base (10); Be provided with a plurality of ribs (103) and a plurality of groove (101,102) in the insulating base (10), on the sidewall of each rib (103), open a plurality of hole clippings (1031,1032), earth shield contact (12) holds side by side with differential signal contact pin (11) and is fixed in the limiting hole (105), and realizes vertically shielding between two pairs of differential signal contact pin; Shield blade (13) comprises curved pawl (131), draws a bow (132), returns sheet (133), two supports (134) and hangnail (135), the curved pawl (131) of shield blade (13) is accommodated in the hole clipping (1031) on the rib (103), and support (134) is received in respectively in a plurality of grooves (101,102) and by limiting hole (105) and long and narrow fluting (106) shield blade (13) is fixed; Shield blade (13) is accommodated in the limiting hole (105), fix shield blade (13) by a plurality of grooves (101,102), hole clipping (1031) and long and narrow fluting (106) cooperation, in limiting hole (105), the sheet (133) that returns of shield blade (13) contacts the horizontal function of shielding of indirect earthed realization with earth shield contact (12), above-mentioned a plurality of grooves (101,102) are used to admit daughter board connector (2), and hold under the mechanical engagement of differential signal contact pin (11), earth shield contact (12) and shield blade (13) and stator connector for substrate (2).
2. press the shielding plate indirect earthed high speed transmission electric connector of claim 1, it is characterized in that: each differential signal contact pin of a plurality of differential signal contact pin (11) is provided with a curved pawl (111), a tortuous bow (112) and two hangnails (113), curved pawl (111) is accommodated in rib (103) and goes up in the set hole clipping (1032), two hangnails (113) are accommodated in the limiting hole (104) on the pedestal (10), this differential signal contact pin (11) is fixed in the insulating base (10), curved pawl (111) is arranged on the top of differential signal contact pin (11), two hangnails (113) are arranged on standing part, curved pawl (111) is connected by draw a bow (112) with standing part, the structure of the structure of earth shield contact (12) and differential signal contact pin (11) is identical and hold side by side with differential signal contact pin (11) and be fixed in the limiting hole (105), realizes vertically shielding between two pairs of differential signal contact pin (11).
3. by the shielding plate indirect earthed high speed transmission electric connector of claim 1, it is characterized in that: shield blade (13) comprises a plurality of curved pawls (131), a plurality of tortuous bow (132), returns sheet (133), two supports (134) and hangnail (135); Curved pawl (131) is accommodated in pedestal (10) and goes up in the upward set hole clipping (1031) of set rib (103), support (134) is received within a plurality of grooves (101,102) of establishing in the pedestal, and it is shield blade (13) is fixing by limiting hole (105) and the long and narrow fluting (106) established in the pedestal, shield blade (13) is not established grounding pin, contacts indirect earthed realization transverse shielding with earth shield contact (12) by returning sheet (133) in limiting hole (105).
4. press the shielding plate indirect earthed high speed transmission electric connector of claim 1, it is characterized in that: each laminate (20) comprises a cover plate (201), a plurality of differential signal pins (202), a ground shield pin (203), a mounting panel (204) and a barricade (205), differential signal pin (1202) and ground shield pin (203) are accommodated in the mounting panel (204), cover plate (201) is fixed on the mounting panel (204) by cover plate location hole (2011), and differential signal pin (202) and ground shield pin (203) are fixed in the mounting panel (204), ground shield pin (203) is provided with a perforate (2031), is used for contacting with the crotch (2052) of barricade (205) shielding of realization barricade; Mounting panel (204) is fixed in the fixed head (21) by the grab (2041) of mounting panel, and the projection of mounting panel (2042) is used for guiding and fixing stiffener (22); Barricade (205) is fixed on the mounting panel (204) by the crotch (2051) of barricade, by contact the conducting that realizes the shielded signal loop with ground shield pin (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100778249A CN101335407B (en) | 2007-06-28 | 2007-06-28 | High speed transmission electric connector with shielding plate indirect earthed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100778249A CN101335407B (en) | 2007-06-28 | 2007-06-28 | High speed transmission electric connector with shielding plate indirect earthed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101335407A CN101335407A (en) | 2008-12-31 |
| CN101335407B true CN101335407B (en) | 2010-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100778249A Expired - Fee Related CN101335407B (en) | 2007-06-28 | 2007-06-28 | High speed transmission electric connector with shielding plate indirect earthed |
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| CN (1) | CN101335407B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570192B (en) * | 2012-02-17 | 2015-03-18 | 四川华丰企业集团有限公司 | Electric connector shielding structure and producing method |
| CN106058544B (en) * | 2016-08-03 | 2018-11-30 | 欧品电子(昆山)有限公司 | High speed connector component, socket connector and pin connector |
| CN109524850A (en) * | 2017-09-19 | 2019-03-26 | 泰科电子(上海)有限公司 | Connector |
| CN110459920B (en) * | 2018-06-29 | 2021-07-30 | 中航光电科技股份有限公司 | Differential contact module, differential connector and differential pair shielding structure |
| CN110459887B (en) * | 2018-06-29 | 2021-09-03 | 中航光电科技股份有限公司 | Printed board assembly and differential connector and shielding buckle plate thereof |
| CN109390806A (en) * | 2018-12-12 | 2019-02-26 | 四川华丰企业集团有限公司 | Shielding part, plug connector and connector |
| CN109524849A (en) * | 2019-01-09 | 2019-03-26 | 四川华丰企业集团有限公司 | Metal shielding board for high-speed differential signal connector |
| CN111430992B (en) * | 2020-03-11 | 2021-11-02 | 上海航天科工电器研究院有限公司 | Lead frame assembly for high-speed electric connector |
| CN117254313B (en) * | 2023-10-19 | 2024-04-12 | 通天电子科技(东莞市)有限公司 | High-speed transmission electric connector with shielding sheet indirectly grounded |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2312534Y (en) * | 1996-12-30 | 1999-03-31 | 鸿海精密工业股份有限公司 | Device for connection to printed circuit with edge |
| CN2458758Y (en) * | 2000-09-05 | 2001-11-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector combination |
| CN2579007Y (en) * | 2002-07-09 | 2003-10-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector assembly |
| CN1643742A (en) * | 2002-01-28 | 2005-07-20 | 厄尼电子设备有限责任公司 | Connector assembly interface for l-shaped ground shields and differential contact pairs |
| US7090501B1 (en) * | 2005-03-22 | 2006-08-15 | 3M Innovative Properties Company | Connector apparatus |
-
2007
- 2007-06-28 CN CN2007100778249A patent/CN101335407B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2312534Y (en) * | 1996-12-30 | 1999-03-31 | 鸿海精密工业股份有限公司 | Device for connection to printed circuit with edge |
| CN2458758Y (en) * | 2000-09-05 | 2001-11-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector combination |
| CN1643742A (en) * | 2002-01-28 | 2005-07-20 | 厄尼电子设备有限责任公司 | Connector assembly interface for l-shaped ground shields and differential contact pairs |
| CN2579007Y (en) * | 2002-07-09 | 2003-10-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector assembly |
| US7090501B1 (en) * | 2005-03-22 | 2006-08-15 | 3M Innovative Properties Company | Connector apparatus |
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| CN101335407A (en) | 2008-12-31 |
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