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CN111180927A - 用于连接电导体的连接端子结构 - Google Patents

用于连接电导体的连接端子结构 Download PDF

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CN111180927A
CN111180927A CN201911105090.XA CN201911105090A CN111180927A CN 111180927 A CN111180927 A CN 111180927A CN 201911105090 A CN201911105090 A CN 201911105090A CN 111180927 A CN111180927 A CN 111180927A
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clamping
conductor
bus bar
teeth
connection terminal
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马丁·格布哈特
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Phoenix Contact GmbH and Co KG
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/26Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2414Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821Single-blade spring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846Busbar details
    • H01R4/4852Means for improving the contact with the conductor, e.g. uneven wire-receiving surface
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/62Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors

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  • Clamps And Clips (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Installation Of Bus-Bars (AREA)

Abstract

本发明涉及一种用于连接电导体(200)的连接端子结构(100),其具有汇流条(10)和夹持弹簧(11),该夹持弹簧具有夹持臂(17),待连接的导体(200)借助该夹持臂能够在夹持弹簧(11)的夹持状态下抵靠汇流条(10)夹持,其中,汇流条(10)具有用于放置待连接的导体(200)的放置面(12),其中,该放置面(12)具有方向沿着汇流条(10)纵向(R)的沟槽结构(13),并且其中,夹持臂(17)在夹持臂(17)的指向汇流条(10)方向的自由末端(18)上具有带有多个夹齿(19)的夹持边缘(20)。

Description

用于连接电导体的连接端子结构
技术领域
本发明涉及一种用于连接电导体的连接端子结构。
背景技术
已知借助连接端子结构导电地接触电导体。此类连接端子结构可具有汇流条和夹持弹簧,其中,待连接的导体能够借助夹持弹簧抵靠汇流条电接触地夹持。夹持弹簧可例如构造为支腿弹簧并具有夹持臂,借助该夹持臂能够进行待连接的导体相对于汇流条的夹持。
发明内容
本发明的目的在于,提供一种连接端子结构,借助其能够进一步改善待连接导体的接触。
根据本发明,该目的通过独立权利要求的特征实现。本发明有利的实施方式和有利的扩展方案在从属权利要求中给出。
根据本发明的连接端子结构具有汇流条和夹持弹簧,该夹持弹簧具有夹持臂,待连接的导体借助该夹持臂能够在夹持弹簧的夹持状态下抵靠汇流条夹持,其中,汇流条具有用于放置待连接的导体的放置面,其中,该放置面具有方向为汇流条纵向的沟槽结构,并且其中,夹持臂在夹持臂指向汇流条方向的自由末端上具有带有多个夹齿的夹持边缘。
现在,根据本发明规定,待连接的剥除绝缘皮的导体在夹持状态下夹紧地保持在汇流条的沟槽结构与夹持弹簧夹持臂自由末端的夹持边缘的夹齿之间。剥除绝缘皮的导体的各条绞合线因此能够放置在汇流条的沟槽结构与夹持边缘的夹齿之间,并在沟槽结构与夹齿之间夹住,从而导体的每单条绞合线都能够可靠地夹持在汇流条与夹持弹簧之间。借助通过夹齿在导体上并因此在导体的绞合线上施加的力,能够在汇流条的沟槽结构和导体或导体的绞合线之间产生摩擦力,其中,通过该摩擦力能够穿破在导体或导体的绞合线上形成的氧化层并由此能够改善导体与汇流条之间的接触。该摩擦力能够在导体夹持的整个时长期间内保持维持或作用在导体上,从而能够早期地防止导体上任何氧化层的形成,否则该氧化层可能损坏导体与汇流条之间的接触。尤其由铜制成的导体能够由此在长时间段内也得到可靠的接触。沟槽结构优选具有多个彼此平行构造的纵向沟槽,其可分别构造为长形的凹槽,该凹槽彼此通过壁限定。壁可在其横截面中具有齿形形状。沟槽结构的壁可优选构造为锐角形。长形的凹槽也可在横截面内构造为锐角形。夹持臂自由末端的夹持边缘上的夹齿也同样优选构造为锐角形。
汇流条的放置面优选在横截面内具有V形。通过放置面的V形能够将待连接的导体在汇流条上定位在设定的位置。汇流条的通过V形侧面向上拉伸的容纳面可至少区域地包围待连接的导体,从而导体能够嵌入地定位在汇流条内。沟槽结构优选在汇流条的整个宽度上延伸并因此优选在汇流条放置面的整个宽度上延伸。因此,在汇流条或汇流条放置面为V形时,待连接的导体以其大于1/3的外周面贴靠在沟槽结构上,从而沟槽结构能够通过尽可能大的导体外周面作用在导体上。
此外可优选设置,夹持弹簧的夹持臂的夹持边缘具有V形。如果汇流条的放置面也具有V形,那么夹持边缘的形状则可匹配于放置面的形状。导体的接触可由此显著改善。
为了进一步改善导体的夹持,可设置使夹持弹簧的夹持臂的夹齿匹配于汇流条的沟槽结构,使得夹持状态下,夹持臂的夹齿啮合在汇流条的沟槽结构中。夹持臂的夹齿可因此优选成形并布置得使其能够啮合在沟槽结构的空余空间内,从而能够在夹持臂的夹齿与放置面的沟槽结构之间构成一种插入式啮合。
此外,可优选设置使夹持边缘具有沿其长度居中布置的直线形构造的区段,其中,该直线形构造的区段可位于夹持边缘的夹齿之间。夹持边缘的直线形构造的区段优选不具有夹齿,而是构成直线形状的夹持边缘。直线形构造的区段优选延伸经过夹持边缘长度的约1/3。直线形构造的区段优选构造在夹齿之间,从而在直线形构造的区段的右边和左边分别构造有一个或多个夹齿。通过直线形构造的区段,夹持弹簧可通过其夹持边缘在导体直径中部向导体施加尤其高的夹持力,从而能够将导体压抵在汇流条的放置面的沟槽结构上。
附图说明
下文中参考根据优选实施形式的附图进一步阐述本发明。
图1示出了根据本发明的连接端子结构的示意图,
图2示出了图1所示的连接端子结构连接有小导体直径的导体的示意图,
图3示出了图2所示的连接有导体的连接端子结构由前方的示意性俯视图,
图4示出了图1所示的连接端子结构连接有大导体直径的导体的示意图,
图5示出了图4所示的连接有导体的连接端子结构由前方的示意性俯视图,并且
图6示出了图1所示的连接端子结构未连接导体的由前方的示意性俯视图。
具体实施方式
图1示出了连接端子结构100,其具有汇流条10和夹持弹簧11,其中,例如在图2和4中示出的待连接的导体200借助该夹持弹簧11电接触地抵靠汇流条10夹持。
汇流条10具有放置面12,待连接的导体200放置到其上以与汇流条10电接触,例如由图2和4可见。待连接的导体200在一个末端210处剥除绝缘皮并使用该剥除了绝缘皮的末端210将待连接的导体200置于汇流条10的放置面12上。放置面12构成汇流条10的顶面,其构造在汇流条10的纵向侧面上。
在放置面12上构造方向沿着汇流条10纵向R的沟槽结构13。该沟槽结构13具有多个彼此平行布置的纵向沟槽14。该沟槽结构13的纵向沟槽14构造为凹槽状的,从而放置面12上的纵向沟槽14构成沿着纵向R延伸的槽形凹处。在纵向沟槽14之间形成的壁15具有锐角形结构的横截面,从而壁15构成多个长形的夹齿并由此使沟槽结构13具有夹齿轮廓。
放置面12在横截面中具有V形,从而待连接的导体200能够位置固定地置入该V形中并因此在借助夹持弹簧11夹持或连接时能够避免导体200的侧向偏移。
如图1至6中所示,沟槽结构在汇流条10的整个宽度BS上延伸并因此在汇流条10的放置面12的整个宽度上延伸,从而在汇流条10的放置面12为V形时,导体能够以其外周面211的1/3以上贴靠在沟槽结构13上,尤其如图3和5中可见。因此,沟槽结构13能够通过导体200尽可能大的外周面211作用于导体200。
夹持弹簧11构造为支腿弹簧,其中,其具有支撑臂16和夹持臂17。借助夹持臂17,在夹持弹簧11的夹持状态中实现待连接的导体200抵靠汇流条10的夹持,如图2至5中所示。
夹持臂17在指向汇流条10方向的夹持臂18自由末端18上具有带有多个夹齿19的夹持边缘20。该夹齿19具有锐角形轮廓。
待连接的导体200能够以其剥除绝缘皮的末端210在夹持状态下夹紧地保持在汇流条10的沟槽结构13与夹持弹簧11的夹持臂17的自由末端18的夹持边缘20的夹齿19之间。剥除绝缘皮的导体200的各个绞合线由此可以放置在汇流条10的沟槽结构13与夹持边缘20的夹齿19之间并在沟槽结构13与夹齿19之间夹住,从而导体200的每单条绞合线都能够可靠地夹持在汇流条10与夹持弹簧11之间。借助通过夹齿19施加到导体200上、并因此施加到导体200的绞合线上的力能够在汇流条10的沟槽结构13与导体200或导体200的绞合线之间产生摩擦力,从而通过该摩擦力能够穿破在导体200或导体200的绞合线上形成的氧化层并由此能够改善导体200与汇流条10之间的接触。
夹持弹簧11的夹持边缘20与汇流条10的放置面12一样具有V形,其中,夹持弹簧11的V形的轮廓匹配于汇流条10的放置面12的V形,如尤其在图3和6中可见的那样。
在图3和6中进一步可见,夹持弹簧11的夹持臂17的夹齿19匹配于汇流条10的沟槽结构13,使得夹持状态下,夹持臂17的夹齿19能够啮合在汇流条10的沟槽结构13中、尤其纵向沟槽14的凹处中。夹齿19配合精确地啮合在纵向沟槽14中。纵向沟槽14也具有构造为锐角形的横截面,其与夹持弹簧11的夹齿19的锐角形结构相应地构造。
通过使夹齿19啮合在沟槽结构13中,在夹持弹簧11的夹持状态下,待连接的导体200或待连接的导体200的各条绞合线能够借助夹齿19压入沟槽结构13中。
夹持边缘20不在其整个长度LK上具有夹齿19,相反,夹持边缘20具有沿其长度LK居中布置的直线形构造的区段21,其中,该直线形构造的区段21布置在夹持边缘20的夹齿19之间。夹持边缘20的直线形构造的区段21不具有夹齿19,而构成直线形状的夹持边缘20。直线形构造的区段21优选在夹持边缘20长度LK的约1/3范围内延伸。直线形构造的区段21构造在夹齿19之间,从而在直线形构造的区段21的右边和左边分别构造有多个夹齿19,其中,在夹齿19区域内构造夹持边缘20的V形形状。
通过直线形构造的区段21,夹持弹簧11能够通过其位于导体200直径中间的夹持边缘20向导体200施加特别高的夹持力,从而能够将导体200压抵在汇流条10的放置面12的沟槽结构13上。
附图标记说明
100 接线端子结构
10 汇流条
11 夹持弹簧
12 放置面
13 沟槽结构
14 纵向沟槽
15 壁
16 支撑臂
17 夹持臂
18 自由末端
19 夹齿
20 夹持边缘
21 直线形构造的区段
200 导体
210 剥除绝缘皮的末端
211 外周面
R 纵向
LK 夹持边缘的长度
BS 汇流条的宽度

Claims (5)

1.用于连接电导体(200)的连接端子结构(100),该连接端子结构具有
汇流条(10)和
夹持弹簧(11),该夹持弹簧具有夹持臂(17),待连接的导体(200)借助该夹持臂能够在夹持弹簧(11)的夹持状态下抵靠汇流条(10)夹持,
其中,该汇流条(10)具有用于放置待连接的导体(200)的放置面(12),其中,该放置面(12)具有方向沿着汇流条(10)的纵向(R)的沟槽结构(13),并且
其中,该夹持臂(17)在夹持臂(17)的指向汇流条(10)的方向的自由末端(18)上具有带有多个夹齿(19)的夹持边缘(20)。
2.根据权利要求1所述的连接端子结构(100),其特征在于,该放置面(12)具有V形。
3.根据权利要求1或2所述的连接端子结构(100),其特征在于,该夹持弹簧(11)的夹持臂(17)的夹持边缘(20)具有V形。
4.根据权利要求1至3中任一项所述的连接端子结构(100),其特征在于,该夹持弹簧(11)的夹持臂(18)的夹齿(19)匹配于汇流条(10)的沟槽结构(13),使得夹持状态下,该夹持臂(17)的夹齿(19)啮合到汇流条(10)的沟槽结构(13)中。
5.根据权利要求1至4中任一项所述的连接端子结构(100),其特征在于,该夹持边缘(20)具有沿其长度(LK)居中布置的直线形构造的区段(21),其中,直线形构造的该区段(21)位于夹持边缘(20)的夹齿(19)之间。
CN201911105090.XA 2018-11-13 2019-11-13 用于连接电导体的连接端子结构 Pending CN111180927A (zh)

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