CN1489811A - 高密度插座接插件 - Google Patents
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- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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Abstract
一种插头和插座组件,包括插头接插件和插座接插件,用于数据电缆的高密度互连。所述两个接插件被完全屏蔽,并包括具有改进的D形结构的匹配外形。该插座组件包括多个引线框(250)的过模塑薄板。所述薄板被横向不对称地过模塑,以便在一侧设置较薄的薄板(324),在另一侧设置较厚的薄板(326),其中空气口穿过该较厚的薄板,并将部分触头暴露出来。所述过模塑薄板一个挨一个地重叠,以使较薄的薄板位于同一触头对之间,而较厚的薄板和空气口一个挨一个地位于相邻对中的相邻触头中。
Description
技术领域
本发明涉及一种用于数据电缆等的高密度互连的电气插接件系统,尤其是一种用于这种高密度电气插接件并显示出更好电气性能的改进插座插接件。
背景技术
在安装有集线器和路由器以用于数据分配和/或存储的建筑配线间中常具有多个机架和面板,其上带有由多个电缆形成的多个电器互连。该电气连接由公知的模块插头和插座连接系统、所谓的RJ-21连接系统实现。由于数据的速度、最小化EMI辐射的需求、以及在最小化同一接插件中相邻线间串扰的需求,传统上使用分离的连接系统。在Broeksteeg的美国专利5,066,236中示出了对上述数据互连有用的一种电气连接系统,其内容在此引入作为参考。这种电气连接系统本质上是模块化的,结合有多个并排的印刷电路板可安装的接插件承座,该承座具有多个模制在绝缘材料薄板中的触头阵列插入件,从而包括延伸到承座中并可靠近配合面定位的触头部分、以及用于安装到印刷电路板上的印刷电路板触头部分。Broeksteeg设计也在过模塑(over molded)薄板中示出,在端子的一部分上存在由空气口,用于将端子的一部分暴露到空气中。这实现了隔绝的功能,从而改变了阻抗,并且匹配了不同长度的端子的阻抗。虽然Broeksteeg设计是很好的设计理念,但他没有考虑到集线器、路由器和服务器等的配合接口所需的中心线间隔。
发明内容
本发明的目的是改进上述不足。
本发明的目的是通过提供一种用于绞合对电缆的电气接插件来实现的,其中所述接插件包括承座部分,该承座部分具有多个成行和成列布置的电气触头。所述触头成对布置,用于电缆中绞合对的匹配接收。在触头对中的触头之间的中心线间隔小于相邻对中的并排触头之间的间隔。由多个触头的垂直列来限定所述多个电气触头。触头被过模塑而使得各列都带有一绝缘材料的薄板。所述触头被过模塑成该过模塑部分基本上为矩形。优选地,所述触头被排布在一基本上平整的平面中,同时该平面相对于所述过模塑薄板横向不对称,从而限定出在该平面一侧的较薄的材料薄板和在所述薄板另一侧上的较厚的薄板。所述过模塑薄板基本上厚度相同。触头对排布成使较薄的薄板位于同一对触头之间,较厚的薄板位于相邻触头对之间。较厚的薄板包括将触头长度的一部分暴露出来的空气口,该空气口在相邻触头对的相邻薄板中对准,从而限定出在相邻触头对中的并排触头之间的厚的空气口,从而使阻抗在触头之间平衡。在所述薄板中被过模塑的电气触头具有不同的延展长度,并且所述空气口的长度根据所述触头长度而变化。
附图说明
通过参照附图的示例,将对本发明进行描述,其中:
图1是透视图,示出了用于互连的触头接插件和插座接插件;
图2是分解透视图,示出了图1中的插座接插件;
图3是上前部透视图,示出了用于图1中的插座的插座承座;
图4是后部透视图,示出了用于图1中的插座的插座承座;
图5是后部平面图,示出了图4中的承座;
图6是前部平面图,示出了图5中的承座;
图7是插座屏蔽罩的透视图;
图8是前部平面图,示出了图7中的屏蔽罩;
图9是透视图,示出了优选插座组件的外防护壳;
图10是插座板锁定件的透视图;
图11是侧面平面图,示出了一个触头组件的冲压引线框;
图12是侧面平面图,示出了图11中冲压引线框上方的过模塑材料薄板;
图13是端部视图,示出了图12中的过模塑引线框;
图14是侧面平面图,示出了图11中冲压引线框上的另一过模塑材料薄板;
图15是端部视图,示出了图14中的过模塑引线框;
图16-21示出了用于图1中的实施例的不同过模塑引线框;及
图22是下侧透视图,示出了没有外防护壳的装配后的插座。
具体实施方式
参照图1,示出的电气互连包括插头接插件2和插座接插件4。插头接插件2适于连接到优选地包含多对绞合导体的铠装电缆6,而插座4适于连接到一个印刷电路板(未示出)。两个电气接插件都被充分防护,其中插头接插件2包括防护外壳8,该外壳8优选的是由相似的两半组成的一模铸壳体,而插座4包括防护壳10,该防护壳10在优选实施例中为冲压金属壳体。
每个电气接插件还包括具有屏蔽罩的配合接口,插头接插件2具有大体在12处示出的屏蔽罩,在屏蔽接合中起接收作用,即接收插座4的屏蔽罩14。最后插头接插件2包括长螺钉16和18,该螺钉分别与插座4的互补螺纹柱20和22螺纹接合。
应该注意到,当螺钉16和18完全拧入它们各自的螺纹柱中时,两个电气接插件2和4处于完全配合状态,其中插头接插件2中的电气端子完全与插座4中的电气端子电气接合,在此处将对其进行更详细的说明。
现在参照图2,插座4通常包括外防护壳10、前屏蔽罩14、内承座30、板锁定件32、以及在40处最佳示出的端子引线框架组件。现在参照图3和4,将更详细地描述承座30。
承座30通常包括侧壁44和46,顶壁48位于两者之间。侧壁44、46和顶壁48一起形成触头接收区50,中间为侧壁52、54,后面为后表面56。如图3所示,承座30还包括具有从该处向前延伸的一体模制的罩部分60的前表面58,该罩部分60具有前表面62。罩部件60包括两个以64和66(图3和6)示出的矩形凹部,这两个凹部向后延伸到后表面56(图4)。如图6所示,开口64和66在其中形成上表面和下表面,例如开口64的上表面68和表面70,开口66的上表面72和下表面74。而且,并排的端子接收槽80延伸通过后壁56,并部分地延伸到表面68、70、72和74中,如在图3-6中最佳地示出。
虽然所述端子接收槽一般地以80示出,但应该从图5和6中看出存在多个在水平行和垂直列延伸的位置。如在图5中最佳所示,在本发明的优选实施例中,有4行、4列端子接收槽80。更具体地,从图5中可见,端子接收槽从左到右对应位置82A、82B;84A、84B;86A、86B;88A、88B;90A、90B;92A、92B;94A、94B。
承座30还包括从顶壁48延伸的锁定突起100(图3),以及从下壁104延伸的锁定突起102(图4)。承座部件30还包括开到各方形腔114、116(图4)中的孔110和112,将在此处进一步加以描述。承座30还包括具有长突起124和126的凹陷壁部分120、122。凹陷壁部分120还包括130处的切除部分以及形成锁定边缘134的有托脚的下壁(lower standoff wall)132。类似地,凹陷壁部分122包括切除部分135、具有锁定边缘138的有托脚的壁136。
如在图7和8中最佳所示,罩14通常包括前壁部分150,孔152和154延伸穿过该前壁部分。锁定耳156从壁150的上边缘和下边缘伸出,并包括锁定孔160。图示的罩部分170一体地从壁部分150伸出,并与图1中示出的插头接插件的屏蔽罩12互补。罩部分170包括上壁部分172和下壁部分174、以及侧壁部分176和178。侧壁部分176向上和向外成倾斜,以限定出相对于下壁174的一钝角和相对于上壁172的一锐角。侧壁178包括通常相对于下壁174垂直延伸的部分180和在侧壁部分180与上壁部分172之间延伸的凹入圆角部分182。应该注意到,罩部分170压配到罩部分12中。
现在参照图10,板锁定件32通常包括具有长开口192的板部分190和下部折叠片部分194。片部分196从所述板部分的相对端伸出,而顺从的板锁定部分198从板部分190的下边缘伸出。
参照图9,将对外防护壳10进行更详细的描述,外防护壳10包括前壁200,该前壁200具有从其上一体延伸出的侧壁202和204。顶壁206、后壁208、和下壁210也从该前壁200延伸出。开口212和214设置成与屏蔽罩14中的开口152、154(图8)重合。而且,一体的屏蔽触头220从前表面200的边缘侧边延伸出来,并延伸到侧壁202、204,顶壁206和下壁210中。而且,印刷电路板叉222从侧壁202、204以及后壁208向下延伸。穿过前表面200的开口224与罩部分170的形状相同,从而装配在其上。
现在参照附图11-21,将对端子组件40进行详细的描述,该端子组件40包括多个过模塑端子引线框,如图16-21所示。首先参照图11,大体以250示出引线框,该引线框是冲压形成的引线框,包括多个触头252、254、256、258。在图11的实施例中,端子252-258仍由整体载带260保持。但是,应该明白,为了最终的装配,载带260将被移除。仍参照图11,所述端子通常包括触头臂252a、254a、256a、258a。触头部分252b、254b、256b、258b从所述触头臂一体向前伸出。而且,腿部分252c-258c分别从臂部分252a-258a伸出,并包括印刷电路板叉部分252d-258d。
现在参照图16-21,示出了多个过模塑子组件302-312。应该明白,所有的子组件302-312开始于相同的引线框250,但是该引线框250根据端子子组件的需要以不同的方式被过模塑。更具体地,参照图12-15,插入件由两个不同的过模塑薄板,即320和322限定而成。过模塑薄板320包括侧面324和相对侧326。同时,过模塑薄板322包括侧面328和相对侧330。通过将图12和14与图18和19进行比较应该明白,子组件306在图14中示出,而子组件308在图12中示出。
端子子组件设计成使基本上为固体的侧壁,例如324和328总是距离引线框250的中心线最近。而且,引线框250不对称地位于所述过模塑薄板中,从而使图13和15中的距离D1小于图13和15中的距离D2。而且,在本发明的优选实施例中,D3等于1.2mm,而距离D1等于0.475mm,距离D2等于0.725mm。而且,仍参照图16到21,每个子组件302-312包括各自的薄板,例如302a-312a、第一空气口302b-312b、第二空气口302c-312c、第三空气口302d-312d、第四空气口302e-312e。应该看出,所述空气口设置在各个薄板302a-312a的较厚的一侧上,即穿过薄板的厚度等于D2的一侧。应该从图16-21中看出,触头部分中的一些已被切断,例如通过比较图11与图16和17,可看到插入件302和304的前触头部分256b和258b被去除,通过比较图11与图20和21,可看到插入件310和312的触头部分252b和254b被去除。最终,应该明白,端子子组件是成对限定的,因此子组件302、304,305、308,和310、312为如此处所述的插入件对。
现在参照图16-21,以及图5,应该明白,首先将端子子组件302插入,以便触头部分252b和254b位于端子接收槽82a中。这样将空气口302b-302e朝向图5中所示的左侧或朝向外侧定位。这样也将薄的薄板材料,即厚度为D1的薄板材料朝向右侧或朝向接插件承座30的中心定位。接着将端子子组件304插入端子接收槽82b中,这将子组件302和304的薄的薄板材料以毗邻关系定位,从而使在相邻的槽82a、82b中的引线框之间的中心线间隔为一个毫米。应该注意到,接下去的10个垂直列,即列84a、84b、86a、86b、88a、88b、90a、90b、92a、92b接着以类似的方式装配,其中子组件306和308再次以并排的关系定位,同时端子部分252b-258b在各自的槽84a等中。应该注意到,装配时,例如空气口306b与在相邻触头组件304中的邻接空气口304b相邻定位。应该明白,端子子组件306和304是相邻的触点组件,但不是端子对。换言之,所述端子成对,从而使一对端子相邻并在同一行中,例如槽82a、82b;84a、84b等等。也应该注意到,5对子组件306和308位于它们各自的槽84a-92a中,这些槽同样是端子接收槽中的垂直列。最后,子组件310和312位于各自的槽94a和94b中,再次将其薄的薄板材料置于引线框250之间。
当在承座中定位时,子组件302的端子252b和子组件304的端子252b的中心线间隔1毫米。类似地,在不同的端子对中的相邻端子,例如子组件304的端子252b和子组件306的端子252b中心线间隔为1.5毫米。这样,当在承座中定位时,成对的端子之间的1毫米间隔最大化了所述端子对之间的耦合,不同对的相邻触头之间的1.5毫米的间隔与其毗邻空气口所限定的空气间隙一起最大化了不同对的相邻触头之间的阻抗,从而最小化了串扰。
利用上述的端子子组件,将更详细地描述插座4的剩余部分。可通过将孔160(图7)扣到承座30的锁定突起100(图3)上来将屏蔽罩14连接到该承座30上。然后将板锁定件32安装到承座30上,同时片194位于边缘138后边,长开口192位于长突起124之上。利用装配到承座30的屏蔽罩14、端子子组件、和板锁定件32,通过在承座150上方装配防护壳10而完成了装配。
方形螺纹插入件300位于各方形开口114、116中,防护壳10由此位于承座30上方,因此屏蔽罩170延伸通过防护壳10的开口224。螺纹柱20和22能此后通过开口212、214,通过开口152、154(图8),并随后通过孔110、112而定位,以便可与方形插入件300螺纹连接。这将螺纹柱20、22保持在插座的前表面上,以便与插头2连接。
为了将所述两个接插件连接在一起,应该注意到,罩部分170被插入到屏蔽罩12中。这使各罩部分12、14相互接触定位。这也使插座4中的成对的端子,例如子组件302的端子252b和子组件304的端子252b,与电缆6中的绞合电线对互连。这也提供了优良的电气补偿组件。如上所述,在成对的相邻触头之间的薄的薄板材料最大化了该成对触头之间的耦合。而且,在相邻触头对之间的空气口的对准最小化了其之间的串扰。
Claims (8)
1、一种用于绞合对电缆的电气接插件,其中所述接插件包括承座部分,该承座部分具有多个成行和成列布置的电气触头,所述触头成对布置,用于电缆中绞合对的匹配接收,所述触头对包括在相同行中的并排触头,所述触头对中的所述触头之间的中心线间隔小于相邻对中的并排触头之间的间隔。
2、如权利要求1所述的电气接插件,其中,所述多个电气触头由多个触头的垂直列来限定,各列被过模塑而具有一绝缘材料的薄板。
3、如权利要求2所述的电气接插件,其中,所述触头被过模塑,使得该过模塑部分基本上为矩形。
4、如权利要求2所述的电气接插件,其中,所述触头被排布在一基本上平整的平面中,同时该平面相对于所述过模塑薄板横向不对称,从而限定出在该平面一侧上的较薄的材料薄板和在所述薄板另一侧的较厚的薄板。
5、如权利要求4所述的电气接插件,其中,所述过模塑薄板基本上厚度相同。
6、如权利要求4所述的电气接插件,其中,触头被布置成使得较薄的薄板位于同一对触头之间,较厚的薄板位于相邻触头对之间。
7、如权利要求6所述的电气接插件,其中,所述较厚的薄板包括将触头长度的一部分暴露出来的空气口,该空气口在相邻对的相邻薄板中对准,从而限定出在相邻对中的并排触头之间的厚的空气口,因此在触头之间使阻抗平衡。
8、如权利要求7所述的电气接插件,其中,在所述薄板中被过模塑的电气触头具有不同的延展长度,并且所述空气口的长度根据所述触头的长度而变化。
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- 2002-01-25 CN CNB028042808A patent/CN1237668C/zh not_active Expired - Lifetime
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WO2002061894A1 (en) | 2002-08-08 |
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US20020146938A1 (en) | 2002-10-10 |
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