CN100570958C - Overlap earthing, complementary shielding difference pair electric coupler - Google Patents

Overlap earthing, complementary shielding difference pair electric coupler Download PDF

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CN100570958C
CN100570958C CN 200710077708 CN200710077708A CN100570958C CN 100570958 C CN100570958 C CN 100570958C CN 200710077708 CN200710077708 CN 200710077708 CN 200710077708 A CN200710077708 A CN 200710077708A CN 100570958 C CN100570958 C CN 100570958C
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differential
contacts
complementary
shield plate
ground
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CN 200710077708
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CN101276966A (en
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肖顺群
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贵州航天电器股份有限公司
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Abstract

一种适用于高速传输的重叠接地、互补屏蔽差分接触件对的电连接器,包括一个插头连接器,该插头连接器具有基座、接地屏蔽片和差分接触件对。 Suitable for high-speed transmission overlaps the ground, shielded electrical connector complementary differential pair of contacts, comprising a plug connector, the plug connector having a base, a ground shield plate contacts and differential pair. 其中基座具有对接导向槽,并限定上述接地屏蔽片和差分接触件对的阵列位置;各个差分接触件对按一定行间距和列间距进行阵列;各接地屏蔽片通过正反组合、重叠和错层等排列方式来形成互补屏蔽。 Wherein the base has a mating guide grooves, and the array defining sheet and the position of the ground shield contacts differential pair; each differential contact pairs for certain array row and column spacing; error of each ground shield plate through a combination of positive and negative overlap and arrangement complementary to the shield layer and the like. 这种互补屏蔽的方法使得上述各个差分对之间相互隔离,从而隔离出多个非全等差分对截面,达到了控制各差分对的阻抗和减小其相互间串扰等目的。 This complementary method so that shielding the differential between the respective pair of mutually isolated, thereby isolating a plurality of differential pairs of non-congruent cross section, to control the impedance of each differential pair and crosstalk is reduced between its purposes. 这种非全等差分对截面之间交叉排列,该排列关于基座底面的中心点对称,方便使用和易于扩展。 Such non-congruent cross-section between the differential pair arrangement, the arrangement symmetrical about the center point of the bottom surface of the base, easy to use and easy to extend.

Description

重叠接地、互补屏蔽差分对电连接器 Overlapping grounded shield complementary differential pair electrical connector

一、 技术领域: First, the technical field:

本发明涉及电子通讯等互连系统中,印制板之间以及印制板与导线之间相连接的电连接器,尤其涉及重叠接地互补屏蔽差分接触件对的电连接器。 The present invention relates to electronic communications interconnection system, and an electrical connection between the printed circuit board between the printed board and connected to the wire, and particularly to a complementary electrical connector ground shield overlaps the differential pair contacts.

二、 背景技术 Second, the technical background

在电子互连系统中,随着电子与通讯等领域设备和系统工作频率的提高,对连接器的要求也越来越高,从最初仅仅实现简单的电气连通,到现在需要满足Gbps级数据传输率的高速互连要求,已经经历了数代产品的发展与更新。 In the electronic interconnection system, with the increase of the field of electronics and communications equipment and system operating frequency, the requirements for the connector are also increasing, from the initial to achieve only a simple electrical communication, now required to meet Gbps level data transmission high-speed interconnect requirement rate has gone through several generations of development and renewal. 这种能满足Gbps级 This level can satisfy Gbps

数据传输率的新型高速传输连接器需要解决诸如阻抗、屏蔽、 串扰、反射和时延等信号完整性问题。 New high-speed transmission connector data transfer rate to be solved, such as impedance, shielding, crosstalk, reflections and other signal integrity and delay issues.

1974年富士通株式会社提交的日本特许公开49-6543中阐述了金属屏蔽问题,那是金属屏蔽技术的早期使用。 Japan 1974 Fujitsu submitted Laid-Open 49-6543 describes metal shield problem, it is the early use of metal shielding technology.

1986年公开的美国专利第4632476号中讨论了关于应用于对连接器中信号接触件的金属屏蔽问题,揭示了一种连接器的设计,其中在信号接点列之间使用了金属屏蔽。 U.S. Patent No. 46324761986 public last year discussed in the design is applied on the metal shield problem of signal contacts in the connector, discloses a connector, wherein the contact line between the signal using a metal mask.

1990年公开的美fi专利第4975084号中公开了一种连接器结构,该连接器采用在相邻信号接触件列之间插入接地屏蔽片方法来改善连接器的信号完整性。 Fi US Patent No. 49750841990 discloses public last year in a connector structure, the connectors are inserted into the signal integrity ground shield plate method between adjacent columns of signal contacts to improve the connector.

分别于1991年和1996年公布的美国专利第5066236号和第5496183号中讨论了关于应用于连接器中的信号接触件的阻抗控制和匹配问题。 U.S. Patent Nos. 5,066,236 and No. 5,496,183, respectively, in 1991 and published in 1996 and discusses the impedance matching on the control signal applied to the contacts of the connector.

在美国专利第6231391号中公开了一种连接器结构。 A connector structure disclosed in U.S. Patent No. 6,231,391 in. 该连接器包括一个基座、多个信号引脚、 一个连续带和多个接地引脚,其中连续带具有多个屏蔽叶片,多个屏蔽叶片按照直角截面的形状成型,隔离开各个信号引脚,从而为每个信号引脚配备一个相应的接地屏蔽板。 The connector includes a base, a plurality of signal pins, each signal pin of a continuous strip and a plurality of ground pins, wherein a continuous strip having a plurality of shield blades, a plurality of shield blades formed in a shape of right angle section, isolated thus with a corresponding ground shield for each signal pin.

类似上述提及的那些连接器,比如专利文献4632476、 4975084、 5066236、 5496183和6231391 ,在传输速率、屏蔽效果或工程实现费用等方面存在不足与缺陷,难以满足高速率、 高密度和低成本等更高层次的需求。 Similar to those of the above-mentioned connector, such as Patent Document 4,632,476, 4,975,084, 5,066,236, 5,496,183 and 6,231,391, the presence of defects and deficiencies in the transmission rate, the shielding effect is achieved or engineering costs, it is difficult to satisfy the high speed, high density and low cost higher level of demand.

另--方面,连接器的封装尺寸往往限定了其具体的应用场合。 Another - aspect, the package size of the connector which often defines a particular application. 尽管Tyco Electronics公司生产的HS3、 Z-DOK等连接器表现出较高的信号特性,其传输速率达到了6.2 Gbps甚至10Gbps以上,但由于封装尺寸不兼容的原因,它们可能不能应用于针对Compact PCI规格的计算机互联系统中。 While Tyco Electronics produced HS3, Z-DOK other connectors exhibit high signal characteristic, the transmission rates of up to 6.2 Gbps or even more than 10Gbps, but because of the size of the package is not compatible, they may not be suitable for the Compact PCI Specifications of interconnected computer systems.

--种可选的电连接器插头已经在中国专利1643742A(申请号为03807091.X)中公开了,该电连接器采用了同向L形屏蔽阵列,将各个差分对隔离开,形成了多个全等的差分对截面阵列。 - selectable electrical connector plug has been disclosed in Chinese Patent 1643742A (Application No. 03807091.X), the electrical connector using the same array of L-shaped shield, isolating individual differential pair to form a plurality differential cross section congruent array. 不过,由于同向L形屏蔽阵列在结构上没有对称性,该连接器在应用的具体操作上有着一定的不便;同时其接地屏蔽片的数量较多,装配效率偏低。 However, since there is no symmetry in the same direction on the L-shaped shield structure in the array, the connector has a certain amount of inconvenience in the operation of the specific application; the same large number of grounding shielding sheet, low assembling efficiency.

综上所述,所存在的问题是如何提供一种满足差分信号互连需求小封装尺寸的、更经济的、同时具有高品质信号工作特性和方便用户使用的电连接器解决方案。 In summary, the problem is how to provide a differential signal interconnect needs to meet a small package size, more economical, at the same time having a high signal quality and the operating characteristics of the electrical connector to facilitate the user's solution.

三、发明内容 III. SUMMARY OF THE INVENTION

本发明的目的,提供一种适用于高速信号传输并有控制各差分对的阻抗、减小其相互间串扰,以保证其高品质信号工作特性的重叠接地、互补屏蔽差分接触对的电连接器,它包括一个插头连接器,该连接器具有基座、接地屏蔽片和差分接触件。 Object of the present invention, there is provided suitable for high-speed signal transmission and a controlled impedance of each differential pair, between which reduce crosstalk, which overlaps the ground to ensure high quality signal performance characteristics, shielded electrical connector complementary differential pair contacts it includes a plug connector, the connector having a base plate and ground shield contacts differential. 对其中基座具有对接导向槽,并限定上述接地屏蔽片和差分接 Wherein the base has a pair of mating guide grooves, defining the ground and the shield plate and connected to the differential

触件对的阵列位置;各个差分接触件对,按一定行间距和列间距进行阵列;各接地屏蔽片通过正反组合、重叠和错层等方式来形成互补屏蔽。 The position of the contact member of the array; each differential pair of contacts, for certain array row and column spacing; each ground shield plate through a combination of positive and negative, and split overlapping complementary manner like shield. 这种互补屏蔽的方法,使得上述各个差分对在行、列之间相互隔离,从而隔离出多个非全等差分对截面, 这种非全等差分对截面之间交叉排列,该排列关于基座底面的 This complementary method of shielding, such that each of the differential line, isolation between columns, a plurality of non-congruent to isolate the differential cross section of this non-congruent alignment between the differential cross section, which are arranged on the base seat bottom

中心点对称,便于使用和易于扩展。 The center point of symmetry, ease of use and easy to extend.

釆用本技术方案的有益效果是能满足差分信号互连要求小封装尺寸,具有高品质信号,减少其相互间串扰,以保证高品质信号工作特性。 Preclude the use of the beneficial effects of the present technology is required to meet the differential signal interconnection small package size, high quality signal, which reduces crosstalk between, in order to ensure high quality signal performance characteristics. 四、附图说明 IV BRIEF DESCRIPTION

附图1是本发明重叠接地、互补屏蔽差分接触件对电连接器的插头连接器总体装配结构图。 1 is a grounded overlapping invention, the complementary differential contact shield configuration diagram of the overall assembly of the electrical connector of the plug connector.

图1中:10-插头连接器、11-绝缘基座、12-接地屏蔽片、 Figure 1: the plug connector 10-, 11- insulation base, 12 ground shield plate,

13-差分接触件对、14-导向槽。 13- differential contact pairs, 14 guide groove.

附图2是本发明重叠接地、互补屏蔽差分接触件对电连接器的插头连接器、接地屏蔽片结构图。 Figure 2 is grounded overlapping invention, the complementary differential shield the plug connector contacts of the electrical connector, the grounding shielding sheet structure.

图2中:12-接地屏蔽片、15-接地屏蔽片的正反组合、16-重叠组合的接地屏蔽片、17-错层组合的接地屏蔽片。 In FIG. 2: 12- ground shield plate, a combination of positive and negative ground shield plate 15, 16 overlap the ground shield plate combination, the combination of 17- split ground shield plate.

附图3是本发明重叠接地、互补屏蔽差分接触件对电连接器的基座结构图。 Figure 3 of the present invention is grounded overlapping, complementary shield member configuration diagram of a differential pair of electrical contacts of the connector base.

图3中:14-导向槽、20-对称点、21-结构槽条肋、22-结构槽、23-侧壁、24-基座底面、25、 27-槽隙、26-接触件对定位孔隙、18、 19-各分差对相互隔离截面。 Figure 3: 14- guide groove, the point of symmetry 20, the groove structure of ribs 21, 22 slot configuration, the side walls 23-, 24- bottom of the base 25, slots 27-, 26- contacts the positioning member apertures 18, 19 of each differential pair of mutually isolated sub-section.

附图4是本发明重叠接地、互补屏蔽差分接触件对电连接器的接地屏蔽片结构图。 Figure 4 is grounded overlapping invention, the complementary differential shield plate contacts the ground shield structure of the electrical connector of FIG.

图4中:28-长折边、29-短折边、30-连接带、31-凸包、 Figure 4: Long Flap 28-, 29- short flanging, connected with 30-, 31- convex hull,

632-凹坑 632- pits

五、具体实施方式 V. DETAILED DESCRIPTION

对照附图对本发明重叠接地、互补屏蔽差分接触件对电连 A ground reference to the drawings of the present invention, overlapping, complementary to shield the differential contact pairs are electrically connected

接器实施方式作进一步说明:插头连接器10,它由绝缘基座11、 Connector embodiment will be further described: the plug connector 10, which consists of an insulating base 11,

接地屏蔽片12和差分接触件对13组成。 The ground shield plate 12 and a differential pair 13 composed of the contact member. 其中多个差分接触件对13按一定行间距和列间距在基座底面24上进行阵列,若干接地屏蔽片12通过一定的方式组合,固定在基座底面.24上、 用于隔离各个差分接触件对13。 Wherein the plurality of differential pairs of contacts 13 by a certain row and column spacing on the bottom surface 24 of the base array, a plurality of ground shield plate 12 by a certain combination, fixed on the bottom of the base .24 to isolate each differential contacting pieces of 13.

其中差分接触件对13、正反组合15的接地屏蔽片和重叠16与错层17组合的接地屏蔽片,设置安装在插头连接器10中的各个位置上。 Wherein the differential pair of contacts 13, a combination of positive and negative ground shield plate 15 and ground shield 16 and the split-ply combination 17 is provided in the respective mounting position 10 on the plug connector.

屏蔽片的结构如附图4所示,它设有若干长折边28、短折边29、连接带30以及在连接带30上交叉分布的凸包31和凹坑32。 The shielding sheet structure as illustrated in Figure 4, flange 28 which is provided with a plurality of long and short flange 29, the connecting band 30 and a projection 30 on the package in connection with the distribution of intersecting recesses 31 and 32. 在互补屏蔽时,通过正反组合15,隔开列与列之间的差分接触件对13;通过重叠16与错层17组合来形成行与行之间差分接触件对的屏蔽。 When the complementary shield 15 by a difference between a combination of spaced rows and columns of the positive and negative contacts 13; differential pairs of contacts to form a shield by overlapping between lines 16 17 in combination with a split-level. 使反向重叠的两屏蔽片错开尺寸Dc、正好让一个屏蔽片的短折边29来填补另一个屏蔽片在形成长折边2 后,于连接带所在面上留下的屏蔽空白Dx、形成屏蔽互补,最终达到对行与行、列与列之间的差分接触件对的隔离与屏蔽。 So that two overlapping reverse stagger shielding sheet size Dc, so that just a short hemming shielding sheet 29 to fill the other shielding plate is formed in a long flap 2, in connection with a left face mask blank where Dx, is formed complementary shield, ultimately isolated and shielded from the difference between the line and the contact line of the column to column. 这种排列组合的方式形成了多种不全等的差分对截面形式,如图3中的18和19,它们交错排列且对于基座底面24的中心点20对称,如附图3所示。 This arrangement is formed of a combination of a plurality of differential cross section congruent to form, in FIG. 3, 18 and 19, 20 are staggered and symmetric to the center point of the bottom surface of the base 24, as shown in Figure 3. 屏蔽片12的连接带30上交叉分布有凸包31和凹坑32,在其重叠16与错层17组合时恰好互为配合, 起紧密接触与定位等作用,如附图4所示。 Shielding sheet 12 connected to the belt 30 has a convex cross-profile package 31 and depressions 32, 17 when it is in combination with a split 16 exactly overlap with each other, from close contact with the positioning action, as illustrated in Figure 4. 基座ll的结构如图3所示,包括两侧壁23和底面24。 Ll base structure shown in Figure 3, comprises two side walls 23 and bottom surface 24. 在底面24上分布有按照差分接触件对13和屏蔽片12排列组合的孔隙26、槽隙25和槽隙27,其中孔隙26用于容纳和定位差分接触件对13;槽隙25和 On the bottom surface 24 are distributed in accordance with the differential pairs of contacts 13 and aperture 26 combination shielding sheet 12 arranged, slots 25 and slots 27, in which the aperture 26 for receiving and positioning the differential contact pairs 13; 25 and slots

7槽隙27用于定位和固定屏蔽片12。 7 the slot 27 for positioning and fixing the shield plate 12. 在两侧壁23上分布有导向槽14和结构槽22、以及导向槽14与结构槽22之间的肋条21。 23 on both side walls 21 are distributed between the ribs 14 and grooves 22 of the guide groove structure 22, and the guide groove 14 and the groove structure. 其中导向槽14的分布于基座底面24的中心点24对称。 Wherein the guide groove 14 is located in the bottom surface of the base 24 of the center point of symmetry 24.

Claims (4)

1、一种重叠接地、互补屏蔽差分接触件对电连接器适用于高速传输的电连接器,包括一个插头连接器(10),该插头连接器具有一个基座(11)、多个安装在基座上的接地屏蔽片(12)和差分接触件对(13),其特征在于:接地屏蔽片(12)它设有若干长折边(28)、短折边(29)、连接带(30),在互补屏蔽时,通过正反组合(15)隔开列与列之间的差分接触件(13),通过重叠(16)与错层(17)组合来形成行与行之间差分接触件对屏蔽,使反向重叠的两屏蔽片错开尺寸,正好让一个屏蔽片的短折边(29)来填补另一个屏蔽片在形成长折边(28)后,于连接带所在面上留下的屏蔽空白,上述各接地屏蔽片(12)通过正反组合(15)、重叠(16)和错层(17)排列方式对各个差分接触件对(13)形成屏蔽互补,接地屏蔽片(12)的排列、组合方式使得上述各个差分对接触件对(13)形成单独屏蔽,从而隔离出多个非全等差 1, in an overlapping grounded shield complementary differential pairs of contacts of the electrical connector for high-speed transmission of electrical connector comprising a plug connector (10), the plug connector having a base (11), mounted on a plurality of ground shield plate (12) on the base and the differential pairs of contacts (13), wherein: ground shield plate (12) which has a plurality of long flap (28), the short flange (29), connected with ( 30), when the complementary shielded by a combination of positive and negative (15) spaced columns differential contact member (13) between the columns, to form the difference between lines by overlapping (16) and the split (17) in combination a contact member for shielding the two overlapping reverse stagger shielding sheet size, just so that the short flap (29) to fill a shield sheet forming the other long flap in a shielding sheet (28), the surface of the belt where the connection left shield blank, each ground shield plate (12) by a combination of positive and negative (15) overlap (16) and the split (17) arrangement for each differential pair of contacts (13) complementary to a shield ground shield plate (12) is arranged in such a way that the respective combination of the differential pair of contacts of (13) are formed individually screened to isolate a plurality of part-arithmetic 分对截面(18、19),达到了控制各差分对的阻抗和减小其相互间串扰的目的。 Partial cross-section (18, 19), to achieve the purpose of controlling the impedance of each differential pair and between their mutual reducing crosstalk.
2、 按照权利要求1所述的重叠接地、互补屏蔽差分接触件对的电连接器,其特征在于:接地屏蔽片(12)、差分接触件对(13)以及基座(11)侧壁上的导向槽(14)的排列、组合与分布于基座底面(24)的中心点(20)对称,便于使用和易于扩展。 2, the ground according to claim 1, overlapping, complementary shielded electrical connector differential contact pair, wherein: a ground shield plate (12), the differential contact pairs (13) and a base (11) side walls aligned guide groove (14), in combination with a center point located in the bottom of the base (24) (20) symmetrical, easy to use and easy to extend.
3、 按照权利要求1所述的重叠接地、互补屏蔽差分接触件对的电连接器,其特征在于:接地屏蔽片(12)的结构设有连接带(30)以及连接带(30)上交叉分布有凸包(31)和凹坑(32)。 3, overlapping the ground according to claim 1, shielded electrical connector complementary differential pairs of contacts, characterized in that: the structure of the ground shield plate (12) is provided with a connector (30) and a connecting band (30) on the crossing distributed convex hull (31) and the pit (32).
4、 按照权利要求1所述的重叠接地、互补屏蔽差分接触件对的电连接器,其特征在于在底面(24)上分布有按照差分接触件对(13)和屏蔽片(12)排列组合的孔隙(26)、槽隙(25、 27)'孔隙(26)用于容纳和定位差分接触件(13),槽隙(25、 27)用于定位和固定屏蔽片(12),在两侧壁(23)上分布有导向槽(14)和结构槽(22),以及导向槽(14)与结构槽(22) 之间的肋条(21)。 4, the ground according to claim 1, overlapping, complementary shielded electrical connector of the differential pairs of contacts, characterized in that the distribution (12) arranged according to a combination of differential pairs of contacts (13) on the bottom surface and the shield plate (24) the aperture (26), slots (25, 27 ') apertures (26) for receiving and locating differential contact member (13), slots (25, 27) for positioning and fixing the shield plate (12), the two distributed on the side wall (23) a guide groove (14) and groove structure (22), between the ribs and the guide grooves (14) and groove structure (22) (21).
CN 200710077708 2007-03-26 2007-03-26 Overlap earthing, complementary shielding difference pair electric coupler CN100570958C (en)

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US9281630B2 (en) * 2014-07-11 2016-03-08 Tyco Electronics Corporation Electrical connector systems
WO2016072986A1 (en) * 2014-11-06 2016-05-12 Ardent Concepts, Inc. Controlled-impedance cable termination using compliant interconnect elements
CN104538799B (en) * 2014-11-28 2017-08-04 中航光电科技股份有限公司 Full-shield electric connector
CN106207637B (en) * 2016-07-29 2019-03-29 中航光电科技股份有限公司 Differential connector and its housing parts
CN109861037A (en) * 2019-02-02 2019-06-07 四川大学 Shielding construction and high speed signal transmission device for crosstalk signal

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