CN1037998A - 用于增进电气接线器中信号完整性的一种基准导体 - Google Patents
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Abstract
用于增进接线器(36)与接线器***(36,92)中
信号完整性的一种基准导体(10),特别是,该基准导
体(10)包括一块位于接线器(36)中的相邻的信号导
线(78)的行之间的导电板(10);而且它是电气地连接
到与接线器(36)相关联的基板(76)上的基准电路上,
以提供低感应信号回程通路。
Description
这里公开的发明涉及与印刷电路板,电路卡,底板及基板等联合使用的高密度接线器和接线器***中的信号完整性维护。
现代电子线路为了维护信号的完整性和最小化来自外源的干扰要求精心地设计传输路径。公开在美国专利4,451,107中的一个现代接线器***使用了模铸造的锌质外壳以提供接地和电磁干扰屏蔽。公开在美国专利4,655,518中的另一个接线器***则使用了设置在信号触点列的外侧并与之平行的接地触点以提供短的接地通路,从而增进信号完整性。
由于转接速度越来越高,信号完整性也越显得关键,而其维护必须包括下述各点的保证。(a)低感应信号回程导线以控制同阻抗噪音的生成;(b)关于贴近的信号导线之间的耦合,信号导线与它们的回程导线之间的耦合应是静电和电磁的强耦合,以控制相互干扰(c)一种信号导线与信号回程导线之间的耦合关系,它提供的阻抗应与电源与负载电路的阻抗相匹配,以最小化信号反射。
现在提出在接线器和接线器***中提供一种低感应(高频时)信号回程通路,它是在信号导线行之间的一种基准导体(板)的形式。这种板形的导体可提供上面讨论的为维护信号完整性所需的基本要素。
按照本发明,提供了一种用于增进接线器和接线器***中信号完
整性的基准导体。导电物质的板状基准导体设置在接线器中信号导体的行之间,以提供低感应信号回程通路。此外,此板通过基准导体与接线器和接线器***所关联的基板上的其准电路电气地连接。
图1是本发明的一个基准板的透视图;
图2是该基准板,它所使用的一个第一接线器和一个支持部件的透视图;
图3是组装成一个单元的接线器,基准板和支持部件的平面图;
图4与5是图3中的单元以及和第一接线器相配的一个第二接线器的侧剖视图;
图6是图4与5中相配的接线器的侧剖视图;
图7,8,9,和10是基准板及接线器的另一实施例的透视图;以及
图11是基准板的又一个实施例的视图。
基准板即图1中所示的板10,是以适当的导电物质(例如铜)精美地冲压成形的。在示出的实施例中,板10包括侧面部分12,14和16,它们与伸展在它们中间的腹板18弯曲成90°角。侧面部分12,14的自由端上设有片状接线端22用于插接设置在接线器92中的触点98(图4)。从侧面部分12,14上冲出的舌片24,倾斜地向内弯曲;即互相面对面,它们是用于将板10保持在接线器盒38中的,如图4所示。从侧面部分14,16冲出并以90°角向外弯曲的柱26是用于***基板即卡76(图4)上的孔86中。柱26的等同设备包括为在卡76上的导电垫片(未示出)的表面上安装而采用的引线(未示出)。
腹板18的自由端28切割成4个指状片30A,B,C和D,在图2和4中更清楚地展示,对面的自由端34的角32是切割成斜线的,为支持部件62提供间隙。
图2所示为设置基准板10的第一接线器36,接线器36的盒38包括在侧壁42,44上沿纵向伸出的台肩40,在邻接于侧壁42的端壁48上的定位滑轨46,以及侧壁44上的定位锁50。此外,提供了四列从配合面54到相对的后壁56的横贯盒38的空穴52。同时提供的还有在每行四个空穴52之间的空槽58A,B,C,D。在这里所用的名词,列指的是沿接线器36的长度延伸的一直线物体,例如空穴52,而行指的是垂直于接线器长度方向延伸的一直线物体。单个空槽58开口于面54如图所示,向后延伸并合并成一个空槽60,它贯穿盒38的宽度并开口于背面56。空槽58合并成单一空槽的合并点大约在台肩40一线上,如图5所示。此外,空槽58A,B分别开口于侧壁42,44。
背面如图所示是阶梯形的以供信号导线或触点78所用(图4)它们位于空穴52中。
在图2中还示出了支持部件62,它是用钢成形的。部件62包括一个延伸的平面部分64,邻近每个端边的空槽66,在空槽66的一端的斜伸舌片68,以及卡搭接片70。如图所示,搭接片70斜向伸出然后向下弯曲到平行于部分64的位置。弯下部分搭接片70,即接合片72,上有穿通的孔。
从图3和4中可见,支持部件62以滑轨46进入空槽66连接到盒38的侧壁42上,使搭接片伸过背面56。位置固定是以舌片68***盒38的背面56以及滑轨46的一端延伸超过空槽66来保持的。
板10从接线器36的背面56装入槽58,60中。其侧面部分12,14,16位于侧壁42,44的外面并与之平行,指状片30A-D分别进入槽56A-D中,腹板18的剩余部分占据槽60,腹板18的延伸部分占据槽60并向后伸到背面56以外,如图4所示。侧面部分12,14上的舌片24紧贴台肩40防止板10退出。
图3示出从配合面54方向所见的基准板10的指状片30A-D在接线器36中的位置。作为本发明的一个重要特征,包括中央列在内每一行中的每一个触点78是与其相邻的行中的触点78相互屏蔽的,从而所有的触点78都是屏蔽的并可专供全信号应用。
图4示出了组装成一个单元的基准板10,支持部件62与印刷电路基板或卡76的接线器36。同时示出的有接线器36的信号触点78,它们包括在一端的插孔80和在另一端的引线82,卡76以***孔84中的定位销50,***孔86中的板10上的柱26以及穿过孔88的触点78上的引线82,装在接线器36上。柱26与引线82焊接(未示出)在对应的孔86,88中。一个螺丝(未示出)穿过卡上的孔90拧入孔74中,将卡76固牢在支持部件62上。
图4同时示出了第二接线器92,它包括绝缘的盒84,导电的信号导体即脚96,和导电的基准触点98。脚96和基准触点98与接线器36的板10上的触点78和接合片末端22的布置方式相同。
脚96包括柱100,当接线器36和92配合时,它***接触插孔80中、基准触点98包括一个夹钳型插接件102用于接纳板10上的接线片未端22。如图所示,柱100与插接件102位于盒94中的空穴103中。
接线器92按装在一块基板上;例如,一块具有电路的底板(未示出),它经过相配合的信号触点78和信号脚96与卡76上的电路相连(未示出)。底板和卡76上的基准电路(未示出)通过板10与基准触点98互连。除了基准功能以外,板10和触点98也可用于负载电源。
图5除了接线器36的剖面以剖视图示出板指状片30A-D相对于触点78的关系外,其余与图4的视图相似。即指状片30为给定的行中的每一个触点78与相邻接的行中的触点78之间提供了一块隔板。
图6示出了包括互相配合的接线器36,92的接线器***104。信号脚96的柱100已***信号触点78的插孔80中并且板10上的接线片未端22已经***基准触点98的插孔102中。
这一接线器***104在具有甚高密度的信号脚和触点的互连***中提供了改进的信号传输通路。在互相配合的信号脚和触点的行之间设置基准板10,可使接线***成为更强有力的工具而并不增加接线器的尺寸或使用外加的底板空间。接线器36,92是为了显示这种包含高密度信号通路的接线器而示出的。
然而,这里公开的发明能够而且将用于其它接线器和接线器***。此外,本发明能够而且将用于具有比这里示出的接线器更多或更少的列和行的信号线的接线器中。例如,图7-10中示出了接线器36的另一个实施例。在这一替换的实施例中,接线器模块105在空穴52中包括一行触点78。盒106的侧壁110上设置了一对定位销108。
基准板112包括侧面部分114,116,118,在114 116上的自由端120提供接线片末端122。在部分116,118上冲出柱124,用于***卡76上的孔中,腹板126上开有一对孔128。板10与112的差别在于后者省去了指状片30。板112以销108***孔128的方法安装在模块105的侧面上而构成模块化单元130,如图8所示。如果愿意,可以在盒106的侧壁111上开孔(未示出)以接纳相邻接的盒106上的销108。
图9示出了多个模块化单元130组成模块化接线器132,而图10所示则是卡76与模块化接线器132的连接。图10同时示出了一个接线器92,它不须修改既能插接线器36又能插接模块化接线器132。
模块化单元130的优点是可根据需要改变其长度。在这一方面,接线器92可以做成任意给定的长度。
图11示出的基准板134与板112十分相似,只是柱136是冲在一块侧面部分138上的。
图12与13示出了本发明的基准板的其它实施例,图12中所示的板140包括从腹板146上向外直伸出的侧面部分142,144,而不是相对于腹板弯曲成90°角的。图13中的板148示出了一个实施例其中的柱150从腹板154的边152上面外伸出,而不是像板10上那样从弯曲的侧面部分上伸出。在板140和148上都开有孔156,以便和接线器模块105一起使用。然而,板140与148也可做成能与接线器36一起使用的。
另一种对板10的修改涉及指状片30B与C以及槽58B与C。这两指可以合而为一,而槽58B与C则合并成一个较大的槽以接纳这较大的指。
基准触点98可以用其它触点代替(未示出),例如,用滑动***侧面部分12,13建立其间的电气接触。类似地,侧面部分12,14的自由端20可以成形为不是平面的其它形状(未示出),以提供插接基准触点98的其它方法或对其加以修改。
如上所述,基准板10是以导电金属精美地冲压成形的。然而,其它导电材料例如金属化塑料也能使用。
可以理解,用于改进高密度接线器和接线器***的信号传输通路装置已被公开。具有低感应信号回程通路的基准板设置在信号接触脚的行之间,并且电气地连接到与接线器相关联的电路卡和底板上的基准电路上,这一其准装置提供回程路径而无须使用任何信号导线,这是在已有技术的接线器***中所必不可少的。对应地,在某些情况中,可以增加信号导线的数目直到双倍于原有数目而仍保持相等水平的性能。
Claims (13)
1、导电板(10)形式的一种基准导体用于增进具有信号导线(78)并采用来和另一接线器(92)配合的电气接线器(36)中的信号完整性,其特征在于;
一块腹板(18),用于设置在邻接的两行信号导线(78)之间,并且有足够的宽度和长度以提供在所述邻接的行中的至少多个所述信号导线(78)之间的屏蔽;以及
侧面部分(14),连接在所述腹板(18)的对应侧边并用于延伸到信号导线(78)的行的两端的外面,所述侧面部分(14)进一步用于将所述腹板(18)电气地插接到可能连接到接线器(36)上的一块基板(76)上的基准电路上。
2、权项1的基准导体,其特征在于所述侧面部分(14)相对于腹板(18)弯曲成大约九十度角。
3、权项2的基准导体,其进一步特征在于在一个侧面部分(14)上包括一个向外延伸的柱(26)用于***基板(76)上的一个孔(86)中并在那里电气地连接到一个基准电路。
4、权项3的基准导体,其进一步特征在于在至少一个侧面部分(14)上包括电气插接装置(22),用于电气地接合到相配合接线器(92)上的基准触点。
5、一种电气接线器***(104),其特征在于:
一个第一接线器(36)具有一前面(54),一背面(56),以及在其上面开出的一个槽(58)的阵列,它们延伸在对应面上并面对着在前面与背面(54,56)之间通过;
一个第一信号触点(78)的阵列,安装在第一接线器(36)上并可从前面(54)电气地到达;
一个第二触点(10)阵列,安装在第一接线器(36)的槽(58)中,每一个所述第二触点(10)包括设置在第一触点(78)中邻接的两个之间的一块对应的板(10);
一个第二接线器(92);
一个第三触点(96)阵列,安装在第二接线器(92)中,其定位方式是,当接线器(36,92)配合时,每个第三触点(96)都与第一触点(78)中对应的一个电气地互连;以及
一个第4触点(98)阵列,安装在第二接线器(92)中,其定位方式是,当接线器(36,92)配合时,每一个第四触点(98)都与第二触点(10)中对应的一个电气地互连,所述第四触点(98)包括一对相对的杆(102)装置成夹紧它们中间的对应的板(10)。
6、权项5的电气接线器***,其特征在于每个第一触点(78)包括一个插孔(80)用于接纳对应的第三触点(96),其中,每一个第三触点(96)包括一个柱(100)。
7、权项5的电气接线器***,其特征在于每块板(10)是“C”形断面的,并限定了一个腹板部分(18)和两个相对的侧面部分(12,14),其中的侧面部分(12,14)延伸出第一接线器(36)之外。
8、一种电气接线器***(132,92),其特征在于:
一个第一接线器(132)包括多个边靠边地紧固在一起的模块(105),每个模块(105)具有位于所述模块(105)的对应端之间的一行空穴(52);
一个第一信号触点(78)阵列,安装在每个模块(105)的所述空穴(52)中;
多个第二触点(112),每一个安装在每个模块(105)的一个侧面(110)上,每个第二触点(112)包括一块导电材料板(112),该板覆盖了所述模块(105)的侧面(110)并进一步伸出在其一边之外;
一个第二接线器(92);
一个第三触点(96)阵列,安装在第二接线器(92)中,其定位方式是,当接线器(132,92)配合时,每个第三触点(96)都与第一触点(78)中对应的一个电气地互连;以及
一个第四触点(98)阵列,安装在第二接线器(92)中,其定位方式是,当接线器(132,92)配合时,每个第四触点(98)都与对应的一个第二触点(112)电气地互连。
9、用于在具有信号导线(78)的行的电气接线器(36)中以提供低感应信号回程通路提高信号完整性的一种基准导体,所述基准导体的特征在于具有一块腹板(18)的一块导电板(10),该腹板(18)置于两行邻接的信号导线(78)之间,以及一个连接到所述腹板(18)的一侧并沿之延伸的部分(14),所述腹板(18)具有足够的长度和宽度足以在相邻的行中提供基本屏蔽,所述板(10)还具有在其上的第一触点装置(26)用于电气地接合基板(76)上的基准电路,该基板可连接到接线器(36)上,以及第二触点装置(22),用于电气地接合相配合的电气接线器(92)中的导电基准触点(98),以及以所述部分(14)在其上装备所述第一与第二触点装置(26,22)中的至少一个。
10、权项9的基准导体,其特征在于所述部分(14)是用于延伸超越相邻两行信号导线(78)的两端。
11、权项10的基准导体,其特征在于所述部分(14)相对于所述腹板(18)的平面弯曲大约九十度角。
12、权项11的基准导体,其进一步特征在于所述腹板(18)在对侧包括一个第二部分(12)。
13、权项12的基准导体,其进一步特征在于在两个部分(12,14)上都有第二触点装置(22)。
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CN89102219A Expired - Lifetime CN1023743C (zh) | 1988-04-11 | 1989-04-11 | 用于电连接器中的一种基准导体 |
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US (1) | US4846727A (zh) |
EP (1) | EP0337634B1 (zh) |
JP (1) | JP2589178B2 (zh) |
KR (1) | KR940002006B1 (zh) |
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-
1988
- 1988-04-11 US US07/179,599 patent/US4846727A/en not_active Expired - Lifetime
-
1989
- 1989-03-15 CA CA000593709A patent/CA1296076C/en not_active Expired - Lifetime
- 1989-03-27 KR KR1019890003833A patent/KR940002006B1/ko not_active IP Right Cessation
- 1989-03-31 DE DE68915605T patent/DE68915605T2/de not_active Expired - Lifetime
- 1989-03-31 EP EP89303192A patent/EP0337634B1/en not_active Expired - Lifetime
- 1989-04-11 JP JP1091712A patent/JP2589178B2/ja not_active Expired - Lifetime
- 1989-04-11 CN CN89102219A patent/CN1023743C/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102857200A (zh) * | 2012-09-17 | 2013-01-02 | 北京经纬恒润科技有限公司 | 一种信号波形变换电路 |
CN102857200B (zh) * | 2012-09-17 | 2015-12-16 | 北京经纬恒润科技有限公司 | 一种信号波形变换电路 |
Also Published As
Publication number | Publication date |
---|---|
JP2589178B2 (ja) | 1997-03-12 |
CN1023743C (zh) | 1994-02-09 |
KR940002006B1 (ko) | 1994-03-12 |
KR890016705A (ko) | 1989-11-29 |
EP0337634A1 (en) | 1989-10-18 |
DE68915605T2 (de) | 1994-12-22 |
EP0337634B1 (en) | 1994-06-01 |
CA1296076C (en) | 1992-02-18 |
DE68915605D1 (de) | 1994-07-07 |
US4846727A (en) | 1989-07-11 |
JPH02148585A (ja) | 1990-06-07 |
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