CN104518291B - 用于接合混合电力传输电缆的装置 - Google Patents

用于接合混合电力传输电缆的装置 Download PDF

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CN104518291B
CN104518291B CN201410589501.8A CN201410589501A CN104518291B CN 104518291 B CN104518291 B CN 104518291B CN 201410589501 A CN201410589501 A CN 201410589501A CN 104518291 B CN104518291 B CN 104518291B
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conducting wire
metal
pipe
cable
weld seam
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CN104518291A (zh
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M·L·博德克
A·爱特阿马尔
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Nexans SA
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/076—Cable terminating boxes, frames or other structures for multi-conductor cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/02—Soldered or welded connections
    • H01R4/021—Soldered or welded connections between two or more cables or wires
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/10—Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/46—Clamping area between two screws placed side by side
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49195—Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49195—Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting
    • Y10T29/49199—Assembling elongated conductors, e.g., splicing, etc. with end-to-end orienting including deforming of joining bridge

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  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Cable Accessories (AREA)

Abstract

一种连接两个混合电力传输电缆(1A，1B)的装置，各包括在电缆中心区域由第一金属制成的绞合的第一导线(2A，2B)和由比所述第一金属的硬度更高的第二金属制成并缠绕在该中心区域之上和之外的第二导线(3A，3B)，所述电缆的所述第二导线(3A，3B)由外部导电套筒(6，6′)连接。根据本发明，电缆的所述中心第一导线(2A，2B)由所述第一金属制成的焊缝(4)连接其端部，该焊缝和该端部由与所述第二导线(3A，3B)硬度相同或者更高的金属制成的管(5)覆盖，至少部分地与所述套筒一致，所述第二导线(3A，3B)的端部再次形成在所述第一导线(2A，2B)和所述管(5)上，在所述外部导电套筒(6，6′)之下。

Description

用于接合混合电力传输电缆的装置
技术领域
本发明涉及一种用于接合混合电力传输电缆的装置。
背景技术
如在专利文献CN 2006/20073616中描述的，已知的是制作一种混合电力传输电缆，其包括电缆中心区域的铝制绞合导线以及在此中心区域之上和之外的螺旋铜制导线。
本发明提供了一种装置，用于接合这样的特别适用于高电压的混合电力传输电缆。
专利文献WO 2011/103036涉及一种用于连接电缆的装置，该电缆包括由复合线材制成的中央支撑芯部，该复合线材包括嵌入在铝制基体中的纤维，其芯部上缠绕铜制导电金属线。
在该装置中，对接电缆的中央芯部被剥离去除导线，其移除相应长度，并且两个对接芯部通过内部装有套筒的管而连接，它们的端部插入并压接于管中。
至于外部导线的连接，它是借助外部金属连接器管来实现，外部金属连接器管在连接装置的每侧将它的端部压接于导线上。
尽管这样的连接装置可适合电缆，其中央芯部作为外部导线的机械支撑，但是在混合电缆的情况下，如上文所述，其中央铝导线具有电传输功能，无法确保连接的电气耐受性，首先在高压下如此。
发明内容
为了解决这个问题，本发明提供了一种连接混合电力传输电缆的装置，确保特别是在高电压下最佳的电气耐受性。
为了做到这一点，本发明提供了一种包括两个混合电力传输电缆的连接装置，每个混合电力传输电缆包括：在电缆中心区域由第一金属制成的绞合的第一导线；以及由比所述第一金属的硬度更高的第二金属制成的第二导线，所述第二导线缠绕在该中心区域之上和之外，所述电缆的所述第二导线由外部导电套筒连接，其特征在于：电缆的所述中心第一导线由焊缝(weld)连接，所述焊缝(weld)由所述第一金属制成并且连接它们的端部，该焊缝和该端部由与所述第二导线硬度相同或者更高的金属制成的管覆盖，至少部分地与所述套筒一致，所述第二导线的端部再次形成在所述第一导线上和所述管上，在所述外部导电套筒之下。
虽然，根据优选实施例，第一金属是铝，第二金属是铜，根据本发明的连接装置一般特别适用于电缆，每个电缆包括：在电缆中心区域由第一金属制成的绞合的第一导线；以及由比所述第一金属的硬度更高的第二金属制成的第二导线，所述第二导线缠绕在该中心区域之上和之外。
焊接电缆的中心第一导线确保了良好的传输性并且这些导线具有良好的电气耐受性。
更高硬度的金属管在机械上保护由硬度比第二导线更低的金属制成的这些第一导线，并且允许外部导电套筒的安装，外部导电套筒可压缩地压接或者螺旋连接在再次成型的第二导线上。
根据优选实施例，所述第一金属是铝，所述第二金属是铜，以及所述管是由钢或硬铜制成。
优选地，所述第二导线至少部分地覆盖所述管。
所述外部导电套筒可以被压接或者螺旋连接。
本发明还涉及一种生产这样的连接装置的方法，其特征在于，在所述焊缝形成和所述管安装之前，所述第一导线的端部通过折叠所述第二导线被释放，并且在所述外部导电套筒安装之前，所述第二导线的端部再次形成在所述第一导线和所述管上。
根据优选实施例，所述焊缝是钎焊。
此焊缝还可例如通过TIG(钨极惰性气体)焊接而形成。
所述外部导电套筒可以被压接或者螺旋连接。
附图说明
本发明是通过展示唯一一个本发明优选实施例的附图在以下更详细地描述。
图1至图4是纵向横截面图，显示出根据本发明的第一实施例的连接装置的制造。
图5是图4沿V-V的横截面图。
图6和图7是完整的和部分的纵向横截面图，显示出根据本发明的第二实施例的连接装置。
具体实施方式
如图1所示，两个混合电力传输电缆1A，1B的每一个包括：在电缆中心区域由第一金属制成的第一绞合导线2A，2B；以及由比所述第一金属的硬度更高的第二金属制成的第二导线3A，3B，并缠绕在该中心区域之上和之外。它们彼此抵靠以电连接。
在本发明的优选应用中，所述第一金属是铝，所述第二金属是铜。
如图2所示，第一导线2A，2B的端部通过展开和折叠第二导线3A，3B来释放。
然后，电缆的中心第一导线2A，2B通过铝钎焊4而连接它们的端部。当以一种特别有效的方式连接导线时，该钎焊4填充存在于第一导线2A，2B的对接端部之间的空间，因为在该填充空间的每一例上导线本身熔化约10毫米的长度。
如可以在图3中看出的，然后，该钎焊4和这些端部覆盖有硬度等于或大于该第二导线的金属制成的管5，最好用钢或者硬铜制成，至少与套筒6一致，套筒6被可压缩地压接在第二导线上，一旦第二导线3A，3B的端部在第一导线2A，2B和管5上再次形成，因此第二导线至少部分地覆盖管5。
优选地，如图4和图5所示，两条电缆1A，1B的端部在相对有限长度上剥去其绝缘包层4A，4B而制造连接装置。为了重新形成与连接装置相一致的该绝缘，槽5A，5B被加工在这些包层4A，4B的端部，并且绝缘套7将其端部安装在这些槽5A，5B中并覆盖该连接装置。
管5则由两个半圆柱体组成，即沿着它的两个母线切取的圆柱，该半圆柱体被施加在钎焊4和第二导线3A，3B的端部的一部分周围。
同样地，套筒6也由两个纵向半圆柱体组成，其被压接到该第二导线3A，3B上。
图6和图7示出了也由前述的相同步骤产生的连接装置，但在这里，包括采用螺钉6′A的外部导电套筒6′。
在任何情况下，外部导电套筒的两个半圆柱形部分例如在与端部水平的四个点处被螺旋连接在一起，以使在套筒组件被压接或螺旋连接之前将它们保持就位。

Claims (6)

1.一种连接装置，包括两个混合电力传输电缆(1A,1B)，每个混合电力传输电缆包括在电缆中心区域由第一金属制成的绞合的第一导线(2A,2B)以及由比所述第一金属的硬度更高的第二金属制成的第二导线(3A,3B)，所述第二导线缠绕在所述第一导线(2A,2B)之上并且缠绕在所述第一导线(2A,2B)之外，所述电缆的所述第二导线(3A,3B)由外部导电套筒(6,6')连接，其中，电缆的所述中心第一导线(2A,2B)由焊缝(4)连接，所述焊缝(4)由所述第一金属制成并且连接它们的端部，该焊缝和所述端部由与所述第二导线(3A,3B)硬度相同或者更高的金属制成的管(5)覆盖，所述管(5)的金属至少部分地与所述套筒(6,6')一致，所述第二导线(3A,3B)的端部再次形成在所述第一导线(2A,2B)上和所述管(5)上，在所述外部导电套筒(6,6')之下，所述第二导线(3A,3B)至少部分地覆盖所述管(5)。
2.如权利要求1所述的装置，其特征在于：所述第一金属是铝，所述第二金属是铜，并且所述管(5)由钢或者硬铜制成。
3.如前述权利要求之一所述的连接装置，其特征在于：所述外部导电套筒(6,6')被压接或者螺旋连接。
4.一种制造前述权利要求之一的连接装置的方法，其特征在于：在所述焊缝(4)形成和所述管(5)安装之前，所述第一导线(2A,2B)的端部通过折叠所述第二导线(3A,3B)被释放，并且在所述外部导电套筒(6,6')安装之前，所述第二导线(3A,3B)的端部再次形成在所述第一导线(2A,2B)和所述管(5)上。
5.如权利要求4所述的方法，其特征在于：所述焊缝(4)是钎焊。
6.如权利要求4或5所述的方法，其特征在于：所述外部导电套筒(6,6')被压接或者螺旋连接。
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FR1358488A FR3010248B1 (fr) 2013-09-05 2013-09-05 Dispositif de jonction de cables de transport electrique hybrides
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CN104518291A (zh) 2015-04-15
EP2846430A1 (fr) 2015-03-11
US20150075864A1 (en) 2015-03-19
EP2846430B1 (fr) 2017-10-04
DK2846430T3 (en) 2018-01-08
NO2846430T3 (zh) 2018-03-03
FR3010248B1 (fr) 2017-03-31
FR3010248A1 (fr) 2015-03-06

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