CN1960064B - 正交连接器 - Google Patents
正交连接器 Download PDFInfo
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- CN1960064B CN1960064B CN200610142404XA CN200610142404A CN1960064B CN 1960064 B CN1960064 B CN 1960064B CN 200610142404X A CN200610142404X A CN 200610142404XA CN 200610142404 A CN200610142404 A CN 200610142404A CN 1960064 B CN1960064 B CN 1960064B
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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
- H01R13/46—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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
Abstract
一种电连接器(122),包括壳体(210),该壳体具有配合面(272)和安装面(274),壳体保持排列成行(278)的信号触头(226)和接地触头(228),每个信号触头和接地触头包括从壳体的配合面延伸的配合端(250、234)以及从壳体的安装面延伸的安装端(254、238),对于每个所述行来说,信号触头和接地触头的配合端排列在公共平面(P2)内,接地触头的安装端排列在该公共平面内,而信号触头的安装端从该公共平面偏移。
Description
技术领域
本发明涉及一种电连接器,这种电连接器可以在中间平面的相对两侧上与相同的连接器以正交关系使用。
背景技术
一些电路系统,如网络交换机或具有交换能力的计算机服务器包括较大的底板,底板具有若干个插在其上的交换卡(switch card)和线卡(linecard)。通常,线卡将数据从外部数据源传送到系统中。交换卡包含可以将数据从一个线卡切换到另一个线卡的电路。在底板内的轨迹将线卡和适当的切换卡互连。
一些信号损失是在轨迹中通过印刷电路板材料所固有的。随着卡连接的数量的增加,在底板中需要更多的轨迹。在底板中轨迹数量和轨迹长度的增加导致在底板中的信号损失越来越大,尤其是在较高信号速度情况下。信号损失问题可以通过保持底板中的轨迹尽可能短来克服。
在使得中间平面内的轨迹的数量和长度最小的努力中,通常在交叉连接的用途中,在中间平面的两侧上,有时将连接器正交地取向。典型地,交换卡连接到中间平面的一侧上,而线卡连接到另一侧上。这些连接器可以具有若干传输线形式(geometry)中的任一种,在一些情况下,使用共面传输线形式,其中,信号触头和接地触头以间隔开的关系布置在公共平面上。线卡和交换卡连接器典型地安装在中间平面上,并且通过过孔连接,该过孔延伸穿过中间平面。彼此正交取向的连接器可以消除至少一些在中间平面内的轨迹;但是,每个过孔的无用长度(称为过孔根(via stub)作为也导致信号损失的滤波器。从而,仍需要一种减少通过底板或中间平面互连线卡和交换卡中的信号损失。
发明内容
本发明是一种电连接器,其包括:壳体,该壳体具有配合面和安装面。壳体保持排列成行的信号触头和接地触头。每个信号触头和接地触头包括从壳体的配合面延伸的配合端以及从壳体安装面延伸的安装端。对于每个所述行来说,信号触头和接地触头的配合端排列在公共平面内,接地触头的安装端排列在公共平面内,而信号触头的安装端从该公共平面偏移。
附图说明
图1是根据本发明示例性实施例形成的正交连接器系统的透视图;
图2是图1所示的插座连接器的一个的透视图;
图3是根据本发明示例性实施例形成的引线框的前视图;
图4是根据本发明示例性实施例形成的排针连接器的透视图;
图5是示例性排针连接器接地触头的透视图;
图6是示例性排针连接器信号触头的透视图;
图7是示例性排针连接器壳体的顶部透视图;
图8是示例性排针连接器的壳体的底部透视图,其中触头装载在壳体中;
图9是通过连接器组件的示例性信号路径的示意图。
具体实施方式
图1是安装在中间平面电路板110上的正交连接器系统100的透视图,该中间平面电路板为了清晰起见以虚线示出。连接器系统100包括第一插座连接器120、第一排针连接器122、第二排针连接器126和第二插座连接器128。第一排针连接器122和第一插座连接器120分别安装在中间平面110的第一侧132上,并通过中间平面110分别连接到第二排针连接器126和第二插座连接器128,后者安装在中间平面110的第二侧134上。
第一插座连接器120包括子卡接口140。仅举例来说,第一插座120可以在接口140处安装在线卡(未示出)上。类似的,第二插座连接器128包括子卡接口142,仅举例来说,第二插座128可以在接口142处安装到交换卡(未示出)上。连接器组件100包括从第一插座120通过第二插座128延伸的纵轴线A。第一和第二插座120和128分别彼此相同。而且第一和第二排针连接器122和126彼此相同。
第一和第二排针连接器122和126取向成使得第一和第二排针连接器122和126相对于彼此旋转90度,以形成正交组件100。第一和第二插座120和128同样相对于彼此旋转90度。组件100的正交取向有助于消除中间平面内的轨迹,并减少通过组件100的信号损失,尤其在高速情况下,如将要描述的。
虽然本发明关于如图1所示的连接器系统100加以描述,但是应理解到在此描述的益处也可以应用于插座连接器安装在中间平面电路板上的连接器系统中。
图2是插座连接器120的透视图。插座连接器120包括介电壳体150,该介电壳体150具有配合面154,该配合面154具有多个触头通道156。触头通道156构造成容纳来自匹配的排针连接器,如图1所示的排针连接器122的匹配触头226、228(见图4)。插座连接器120还包括上护罩158,该上护罩158从配合面154向后延伸。导引肋160形成在壳体150的相对两侧上,以定向插座连接器120,用于与排针连接器122配合。壳体150容纳多个触头模块162,该触头模块162保持将子卡接口140与配合面154相连接的触头和导电路径。在示例性实施例中,接口140基本垂直于配合面154,使得插座连接器120互连电子器件,其中该插座连接器120与该电子器件彼此基本成直角。
每个触头模块162包括触头引线框190(见图3),该引线框覆盖模制(overmold)在由介电材料形成的触头模块壳体170上并被嵌入后者中。壳体170具有前配合端(未示出)和安装边缘174,其中该前配合端容纳在插座连接器壳体150内,而该安装边缘174用于安装到电路板上。触头尾部(contact tail)在触头模块162之内从引线框延伸,并延伸通过触头模块162的安装边缘174,用于连接到电路板上。
图3示出可以用在触头模块162(图2)中的触头引线框190。触头引线框190包括多个导电引线192,该导电引线192在一端终止于配合触头194,而在另一端终止于安装触头尾部176。触头引线框190包括排列成图案的信号引线200和接地引线201。该图案包括以交替顺序排列的信号引线200对和单个接地引线202。即,信号引线成对排列,而一个接地引线202将各对信号引线200彼此分隔开。当传递差分信号时,希望对于信号对的信号路径的长度尽可能紧密匹配,以使得被传输的信号中的时滞(skew)最小。在连接器系统100(图1)的情况下,从第一插头连接器120通过第二插座连接器128的总的信号路径没有时滞,如将要描述的。在触头模块162中的单个引线框190可以没有时滞。此外,在示例性实施例中,每个差分信号对设计成包括不等于零的预定量的时滞。该预定时滞在每个引线框内每个差分信号对之间基本恒定。在一个差分信号对中,较短的信号引线200形成有耸出部(jog),该耸出部用于提供预定量的时滞。
图4示出排针连接器的透视图。排针连接器122包括介电壳体210,该介电壳体210具有容纳插座连接器120的配合端212和用于将排针连接器122安装到中间平面板110(图1)上的安装端214。壳体包括相对的护罩对218和220,该护罩对围绕配合端212。导引槽224设置在两个相对的护罩220上,该导引槽224接纳插座连接器120上的导引肋160,以将插座连接器120相对于排针连接器122取向。排针连接器122保持多个电触头,其中的一些是信号触头226,而另一些是接地触头228。
接地触头228比信号触头226长,使得在排针连接器122与插座连接器120(图2)配合时,接地触头228首先配合,而在排针连接器122与插座连接器120分离时,接地触头228最后断开。触头226和228排列成行,包括以交替顺序排列的信号触头226对和单个接地触头228。在一个实施例中,信号触头226对承载差分的信号对。在每一列中的触头226、228排列成各信号触头对226被单个接地触头228分隔开的图案。触头图案与在触头模块162内呈现的触头和引线框图案相同。
图5示出例如可以用于排针连接器122(图4所示)中的示例性接地触头228。该接地触头228包括配合端234、中间部分236和安装端238。配合端234包括用于与相配合的插座连接器120(图1)内的接地触头相配合的刀片部分240。中间部分236用于压配合地安装到壳体210中。中间部分236包括固位倒钩244,用于将触头228固定在壳体210内。安装端238从壳体210延伸,并用于将排针连接器122安装到电路板,如中间平面板110(图1)或面板上等等。在示例性实施例中,安装端238是针的长孔(compliant eye)的结构。
图6示出例如可以用于排针连接器122(图4所示)中的示例性信号触头226。该信号触头226包括配合端250、中间部分252和安装端254。配合端250包括可与相配合的插座连接器120(图1)中的信号触头相配合的刀片部分256。中间部分252包括平板部258和互连刀片部分256与平板部258的偏移部分或耸出部260。在刀片部分256根部的倒钩264将触头226保持在排针连接器壳体210中。
偏移部分260将安装端254偏移而与信号触头226的配合端250不对齐。更具体地说,刀片部分256具有位于平面P1内的纵轴,偏移部分260将安装端254移出刀片部分256的平面P1。安装端254从壳体210延伸,并用于将排针连接器122安装到电路板,如中间平面板110(图1)或面板上等等。在示例性实施例中,安装端254是针的长孔的结构。
图7示出排针连接器壳体210的顶部透视图。该壳体210包括底部270,该底部270具有靠近配合端212的配合面272和靠近安装端214的安装面274。配合面272包括多个触头腔,该触头腔设置成第一种布局,其中触头腔排列成多行278。每行触头腔包括信号触头腔280和接地触头腔282。在每一行中,在配合面272内,信号和接地触头腔280和282分别形成在公共的触头平面P2内。当信号和接地触头226和228分别装载到连接器壳体210中时,信号和接地触头226和228的配合端250和234分别呈现出与排针连接器配合面272上的触头腔相同的布局。此外,在每一行中,接地和信号触头的触头配合端234和250也分别位于平面P2内。
图8示出排针连接器壳体210的底部透视图,其中,信号触头226和接地触头228装载到该壳体210内,形成排针连接器122。触头腔280和282通过底部270延伸到安装面274。信号触头安装端254从信号触头腔280伸出。接地触头安装端238从接地触头腔282伸出。在安装面274处,触头安装端254和238设置成第二种布局,其中,触头腔280和282以及触头安装端238和254如同在配合面272上一样排列成多行278,这些行278在箭头B的方向上横跨安装面274延伸。每行278包括信号安装端254和接地触头安装端238。此外,在安装面274处,信号触头安装端254从接地触头安装端238偏移,而不位于接地触头腔282和接地触头安装端238限定的平面P2内。每个差分对的信号触头安装端254限定了以角度D与平面P2相交的线L。在示例性实施例中,角度D为45度。
信号和接地触头226和228分别从安装面274装载到壳体210中。如图8所示,信号触头腔280包括容纳信号触头226上的平板部258的狭槽284以及在安装面274内的容纳信号触头226的偏移部分260的凹陷286。狭槽284与凹陷286横切。狭槽284和凹陷286一同赋予安装面274内的信号触头腔280以T字形。平板部258将信号触头226在触头腔280内定向。偏移部分260将信号触头安装端254移出接地触头安装端238的平面P2。对于每一对信号触头226,信号触头安装端254在平面P2的相应相对侧上交错。
如图8所示,触头列290在箭头C的方向上延伸穿过安装面274,垂直于触头行278。每个触头列290只包括信号触头226和接地触头228。当排针连接器122围绕纵轴线A(图1)相对于第二相同排针连接器122旋转90度时,一个排针连接器122的触头行278基本上垂直于另一个排针连接器122的触头行278。
当排针连接器122安装在中间平面板上时,信号和接地触头226和228被构造成安装在中间平面板110(图1)的过孔内。另外,排针连接器122被构造成与中间平面板另一侧上的相同的第二排针连接器126成正交关系安装。即,当第一和第二排针连接器彼此围绕纵轴线A(图1)角度偏移90度时,第一排针连接器122内的每个信号触头的安装端定位成容纳在由第二排针连接器126内的另一信号触头的安装端共享的过孔内。即,相应信号触头的安装端延伸到相同过孔的相对端。以这种方式,消除了端部开口的信号过孔根,并也消除了中间平面板内轨迹的需求。消除了过孔根和轨迹就减少了信号通过连接器组件100(图1)而退化。另外,在排针连接器之间信号轨迹的直接连接在基本相等的差分对之间提供了信号路径,由此避免了差分信号对之间的时滞。
不同于信号触头226,在将排针连接器122安装到中间平面上时,接地触头228不共享中间平面板110(图1)内的过孔。接地触头228构造成电接合中间平面板110内的至少一个接地平面。接地平面提供从中间平面板110一侧的排针连接器122内的接地触头到中间平面板110另一侧的排针连接器(图1)内的接地触头228之间的连续性。在替代实施例中,排针连接器122和126可以构造成使得排针连接器122的接地触头也容纳在与相对应的排针连接器126的接地触头228公用的通孔中。
图9是通过连接器组件300的示例性信号路径的示意图,该连接器组件300是图1所示的连接器系统100的代表。为了清晰,图9示出了只通过一个差分信号对的信号路径。组件300包括第一电路板302。第一插座引线框304配合到第一排针触头306上。第一排针触头306通过中间平面308配合到第二排针触头310上。第二插座引线框312安装到第二电路板314上,并配合到第二排针触头310上。
第一插座引线框304包括接地引线320、第一信号引线322和第二信号引线324。第一信号引线322是差分对322、324中较长的引线,较短的引线324形成有耸出部328,该耸出部尺寸确定为在差分对322、324中提供预定的时滞。插座引线框304配合到排针触头306上。更具体地说,第一或较长的信号引线322与第一排针信号触头332配合,而第二或较短的信号引线324与第二排针信号触头334配合。信号触头322和324分别具有安装端336和338,他们从第一排针接地触头340偏移。信号触头332和334通过信号过孔342电连接,只有其中一个可见。
第二排针触头310与第一排针触头306相同,但是,第一和第二排针触头306和310分别相对于彼此角度偏移90度的角度。第二排针触头310包括第三排针信号触头352、第四排针信号触头354和接地触头356。在中间平面处,第一排针信号触头332电连接到第三排针信号触头352。以类似的方式,第二排针信号触头334电连接到第四排针信号触头354。排针信号触头340和356由中间平面308内的接地平面间接连接。
第二插座引线框312与第一插座引线框304相同。第二插座引线框312包括接地引线360、第三信号引线362和第四信号引线364。第三信号引线362是差分对362、364中较长的引线。较短的引线364形成有耸出部,该耸出部在图9中不可见,其尺寸确定成在差分对362、364中提供与第一插座引线框304内的信号引线对322和324中所存在的相同的预定量时滞。
第二插座引线框312配合到排针触头310上。更具体地说,第三或较长的信号引线362与第四排针信号触头354相配合,而第二或较短的信号引线364与第三排针信号触头352相配合。从而,较长的第三插座引线362连接到第四排针触头354-到第二排针触头334-到较短的第二引线324。类似的,第二插座引线框312中的较短的信号引线364连接到第一插座引线框304内的较长的信号引线322。由于较长的插座引线322和362分别连接到较短的插座引线364和324,且由于时滞在插座引线框304和312内相同,来自第一插座引线框304的时滞抵消了来自第二插座引线框312的时滞,使得从第一插座引线框304到第二插座引线框312的时滞减小到基本为零。于是组件300没有时滞。
如此描述的实施例提供了一种可以与相同的连接器在中间平面的相对两侧上以正交关系使用的连接器。信号触头通过中间平面内的过孔电连接到正交连接器上的信号触头上。此外,各信号触头的安装端容纳在统一过孔的相对两端内,这就使得中间平面内轨迹的需求最小化,且减小了通过连接器的损失。中间平面内的接地平面用于两个正交连接器之间的接地过渡。使用相同连接器可以减少连接器成本。连接器以低噪声呈现出从子卡到子卡的插入损失减小。连接器还固有无时滞。
Claims (4)
1.一种电连接器(122),包括壳体(210),该壳体具有配合面(272)和安装面(274),壳体保持排列成行(278)的信号触头(226)和接地触头(228),每个信号触头和接地触头包括从壳体的配合面延伸的配合端(250、234)以及从壳体的安装面延伸的安装端(254、238),其特征在于:
对于每个所述行来说,信号触头和接地触头的配合端排列在公共平面(P2)内,接地触头的安装端排列在该公共平面内,而信号触头的安装端从该公共平面偏移并且在所述公共平面的相应的相对两侧上交替地错开。
2.如权利要求1所述的电连接器,其中,每个信号触头包括偏移部分(260),该偏移部分将其所述安装端移位而与其所述配合端不对齐。
3.如权利要求2所述的电连接器,其中,壳体包括信号触头腔(280)和接地触头腔(282),每个信号触头腔包括在壳体安装面内的偏移凹陷(286),用于容纳相应的所述信号触头的偏移部分,并包括横切所述偏移凹陷的狭槽,其中,该偏移凹陷和狭槽在所述安装面内限定了一个T字形开口。
4.如权利要求1所述的电连接器,其中,壳体包括信号触头腔(280),每个所述信号触头包括平板部(258),该平板部将每个所述信号触头在相应一个信号触头腔内定向。
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US11/265,028 US7331802B2 (en) | 2005-11-02 | 2005-11-02 | Orthogonal connector |
US11/265,028 | 2005-11-02 |
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US20070099455A1 (en) | 2007-05-03 |
EP1783871A1 (en) | 2007-05-09 |
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EP1783871B1 (en) | 2008-05-07 |
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