CN201075653Y - 干式户外电缆终端 - Google Patents
干式户外电缆终端 Download PDFInfo
- Publication number
- CN201075653Y CN201075653Y CNU2007201556547U CN200720155654U CN201075653Y CN 201075653 Y CN201075653 Y CN 201075653Y CN U2007201556547 U CNU2007201556547 U CN U2007201556547U CN 200720155654 U CN200720155654 U CN 200720155654U CN 201075653 Y CN201075653 Y CN 201075653Y
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- insulating coating
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- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nMzAwcHgnIGhlaWdodD0nMzAwcHgnIHZpZXdCb3g9JzAgMCAzMDAgMzAwJz4KPCEtLSBFTkQgT0YgSEVBREVSIC0tPgo8cmVjdCBzdHlsZT0nb3BhY2l0eToxLjA7ZmlsbDojRkZGRkZGO3N0cm9rZTpub25lJyB3aWR0aD0nMzAwLjAnIGhlaWdodD0nMzAwLjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8cGF0aCBjbGFzcz0nYm9uZC0wIGF0b20tMCBhdG9tLTEnIGQ9J00gMTk0LjIsMTUwLjAgTCAxMDQuMywxNTAuMCcgc3R5bGU9J2ZpbGw6bm9uZTtmaWxsLXJ1bGU6ZXZlbm9kZDtzdHJva2U6IzQyODRGNDtzdHJva2Utd2lkdGg6Mi4wcHg7c3Ryb2tlLWxpbmVjYXA6YnV0dDtzdHJva2UtbGluZWpvaW46bWl0ZXI7c3Ryb2tlLW9wYWNpdHk6MScgLz4KPHBhdGggY2xhc3M9J2JvbmQtMCBhdG9tLTAgYXRvbS0xJyBkPSdNIDE5NC4yLDEwOS4xIEwgMTA0LjMsMTA5LjEnIHN0eWxlPSdmaWxsOm5vbmU7ZmlsbC1ydWxlOmV2ZW5vZGQ7c3Ryb2tlOiM0Mjg0RjQ7c3Ryb2tlLXdpZHRoOjIuMHB4O3N0cm9rZS1saW5lY2FwOmJ1dHQ7c3Ryb2tlLWxpbmVqb2luOm1pdGVyO3N0cm9rZS1vcGFjaXR5OjEnIC8+CjxwYXRoIGNsYXNzPSdib25kLTAgYXRvbS0wIGF0b20tMScgZD0nTSAxOTQuMiwxOTAuOSBMIDEwNC4zLDE5MC45JyBzdHlsZT0nZmlsbDpub25lO2ZpbGwtcnVsZTpldmVub2RkO3N0cm9rZTojNDI4NEY0O3N0cm9rZS13aWR0aDoyLjBweDtzdHJva2UtbGluZWNhcDpidXR0O3N0cm9rZS1saW5lam9pbjptaXRlcjtzdHJva2Utb3BhY2l0eToxJyAvPgo8dGV4dCB4PScyNDAuMycgeT0nMTcwLjAnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6NDBweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiM0Mjg0RjQnID5OPC90ZXh0Pgo8dGV4dCB4PSczNS43JyB5PScxNzAuMCcgY2xhc3M9J2F0b20tMScgc3R5bGU9J2ZvbnQtc2l6ZTo0MHB4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6IzQyODRGNCcgPk48L3RleHQ+Cjwvc3ZnPgo= data:image/svg+xml;base64,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 N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010068 moulding (rubber) Methods 0.000 claims description 2
- 239000012212 insulator Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 210000004907 Glands Anatomy 0.000 description 1
- 101700078171 KNTC1 Proteins 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
本实用新型涉及一种干式户外电缆终端，包括与电缆连接的导体连接杆，还包括终端本体，所述终端本体为一整体预制件，包括相互连接形成整体的应力维和绝缘外套，所述应力锥与电缆的半导电层相接触，所述绝缘外套设有多个间隔设置的的伞裙；所述终端本体套于电缆绝缘上。本实用新型的终端本体是集应力锥22，伞裙19和绝缘外套20为一体，形成的一个整体预制件。在通常处理完电缆25并压接好导电连接杆17后，将整个终端本体预制件套在电缆绝缘21上即成。到现场只需作一些简单处理，即可安装，从而减少由于工人技术水平不同造成的分散性，进一走提高电缆终端的质量。
Description
干式户外电缆终端
技术领域
本实用新型涉及一种高压电缆终端，特别是一种一种用于64/110kV, 标准截面为240〜1000腿2的交联聚乙烯电力电缆的干式户外电缆终端。
背暈技术
目前，现在市面上所常用的户外电缆终端多为组合式户外终端或GDZ 型户外终端。
对于组合式户外电缆终端结构如图l所示，其是由导体连接杆l、压 盖2、瓷套3、硅油4、橡胶应力锥5、密封底盘6、底座7、支柱绝缘子8、 尾管9组合而成，橡胶应力锥5直接套在电缆绝缘上，依靠应力锥的本体 弹性保持其和电缆绝缘界面间的应力从而保证绝缘强度。橡胶应力锥5外 面依靠瓷套3作为外绝缘，在瓷套和应力锥之间填充绝缘油。此种结构虽 然使用可靠，绝缘性较好，但是由于设计上的缺陷，仍存在着不少问题:
1. 其零件繁多，结构复杂，且体积较大，安装不方便，同时该终端
的外绝缘为瓷套，虽然有很好的绝缘效果，但是一旦因事故而
发生爆炸的话将会造成碎瓷片伤人的现象发生，危险性较大；
2. 另外瓷套与内部零件之间的空隙采用硅油填充，如果密封不好，
就会发生泄漏。
对于GDZ型干式户外终端的结构如图2所示，其在处理完的电缆16上 包绕多层四氟带，并用金属铝薄作为电容屏构成电容式结构14，从电容 式结构14的末屏上引出接地引线15，采用多相聚合物交联辐射热收縮管 13紧紧固定在电容式结构外作为外护套，为了达到一定的泄漏比距的要 求，外护套外套装一定数量的伞裙12。在终端的末端安装有均压罩ll和 接线端子IO。此种结构户外终端的缺点是：结构比较复杂，施工也较复 杂繁琐，必须到现场包绕，需要有一定专业水平的工人进行操作。
发明内容
为了克服上述现有技术中的不足，本实用新型提供一种干式户外电 缆终端。采用整体预制件结构的终端本体，到现场只需作一些简单处理， 即可安装。
本实用新型采用的主要技术方案为：千式户外电缆终端，包括与电 缆连接的导体连接杆，还包括终端本体，所述终端本体为一整体预制件， 包括相互连接形成整体的应力维和绝缘外套，所述应力锥与电缆的半导 电层相接触，所述绝缘外套设有多个间隔设置的伞裙；所述终端本体套 于电缆的电缆绝缘上。
本实用新型还采用如下附属技术方案：在所述终端本体的上端部具 有一均压球，所述均压球为一漏斗型的罩壳，所述均压球的端部与所述 导体连接杆螺纹连接，漏斗部分罩于所述绝缘外套上。
所述终端本体的下端部具有一集流环，所述集流环的一端与终端本 体相连接，另一端与电缆上的金属护套相连接，支撑所述终端本体；
所述绝緣外套设有多个间隔设置的外径不一的伞裙； 所述绝缘外套和伞裙由绝缘材料一体注塑成型； 应力锥由半导电材料制成；
套于所述电缆绝缘上的终端本体，其内孔直径小于电缆绝缘的直径， 终端本体通过扩张力套于电缆绝缘上；
所述接地组件为接地触脚，所述接地触脚与电缆上的金属护套相连接。
所述终端本体与电缆端部进行安装时，釆用氮气扩张套装方式安装。 采用本实用新型带来的有益效果：（1)终端本体内不存在绝缘油和 气，彻底消除了油，气泄漏的可能，进一步提高了安全性。（2)本实用 新型的终端本体是集应力锥，伞裙和绝缘外套为一体，成为一个整体预 制件。在通常处理完电缆并压接好接线杆后，将整个终端本体预制件套 在电缆绝缘上即成。到现场只需作一些简单处理，即可安装，从而减少 由于工人技术水平不同造成的分散性，进一走提高电缆终端的质量。
附图说明
图1是现有组合式户外终端的整体剖示图；
图2是现有GDZ型干式户外终端的整体结构图；
图3是本实用新型干式户外电缆终端的整体剖示图;
具体实滩方式
下面结合附图对本发明做进一步的详述:
如图3所示，为本实用新型提供的一种干式户外电缆终端，包括与电 缆25连接的导体连接杆17，还包括终端本体，终端本体为一整体预制件， 包括相互连接形成整体的应力维22和绝缘外套20。应力锥22由半导电材 料制成。应力锥22与电缆25的半导电层相接触，绝缘外套20设有多个间 隔设置的外径不一的伞裙19。绝缘外套20和伞裙19由绝缘材料一体注橡 成型。终端本体套于电缆25的电缆绝缘21上。
在终端本体的上端部具有一均压球18，均压球18为一漏斗型的罩壳， 均压球18的端部与所述导体连接杆17螺纹连接。起到的作用是改变电场 形状，使电场分布更加均匀。在终端本体的下端部具有一集流环23，集 流环23的一端与终端本体相连接，另一端与电缆25上的金属护套24相连 接，起到支搛终端本体的作用。
套于电缆绝缘21上的终端本体，其内孔直径小于电缆绝缘20的直径， 终端本体通过扩张力套于电缆绝缘21上。终端本体与电缆25端部进行安 装时，采用氮气扩张套装方式安装，安装后，终端本体紧紧的附着在电 缆绝缘21上。接地组件为接地触脚26，接地触脚26与电缆25上的金属护 套24相连接。
本实用新型的终端本体是集应力锥22，伞裙19和绝缘外套20为一体， 形成的一个整体预制件。在通常处理完电缆25并压接好导电连接杆17后， 将整个终端本体预制件套在电缆绝缘21上即成。到现场只需作一些简单 处理，即可安装，从而减少由于工人技术水平不同造成的分散性，进一 走提高电缆终端的质量。
Claims (9)
1、干式户外电缆终端，包括与电缆(25)连接的导体连接杆(17)，接地组件，其特征在于：还包括终端本体，所述终端本体为一整体预制件，包括相互连接形成整体的应力维(22)和绝缘外套(20)，所述应力锥(22)与电缆(25)的半导电层相接触，所述绝缘外套(20)设有多个间隔设置的伞裙(19)；所述终端本体套于电缆(25)的电缆绝缘(21)上。
2、 根据权利要求l所述的干式户外电缆终端，其特征在于：在所述 终端本体的上端部具有一均压球（18)，所述均压球（18)为一漏斗型的 罩壳，所述均压球（18)的端部与所述导体连接杆（17)螺纹连接，漏 斗部分罩于所述绝缘外套（20)上。
3、 根据权利要求2所述的千式户外电缆终端，其特征在于：所述终 端本体的下端部具有一集流环（23)，所述集流环（23)的一端与终端本 体相连接，另一端与电缆（25)上的金属护套（24)相连接，支撑所述 终端本体。
4、 根据权利要求3所述的干式户外电缆终端，其特征在于：所述绝 缘外套（20)设有多个间隔设置的外径不一的伞裙（19)。
5、 根据权利要求4所述的干式户外电缆终端，其特征在于：所述绝 缘外套（20)和伞裙（19)由绝缘材料一体注橡成型。
6、 根据权利要求5所述的干式户外电缆终端，其特征在于：应力锥 (22)由半导电材料制成。
7、 根据权利要求6所述的干式户外电缆终端，其特征在于：套于所 述电缆绝缘（21)上的终端本体，其内孔直径小于电缆绝缘（20)的直 径，终端本体通过扩张力套于电缆绝缘（21)上。
8、 根据权利要求7所述的干式户外电缆终端，其特征在于：所述终 端本体与电缆（25)端部进行安装时，采用氮气扩张套装方式安装。
9、 根据权利要求7所述的干式户外电缆终端，其特征在于：所述接 地组件为接地触脚（26)，所述接地触脚（26)与电缆（25)上的金属护 套（24)相连接。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480117A (zh) * | 2010-11-23 | 2012-05-30 | 上海市电力公司 | 高压直流交联聚乙烯电缆预制型终端 |
| CN103869228A (zh) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | 35kV及以下应力环-油封型交联聚乙烯电力电缆局部放电测试终端 |
| CN103869227A (zh) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | 10kV及以下交联聚乙烯电力电缆局部放电测试终端 |
| CN105047065A (zh) * | 2015-09-07 | 2015-11-11 | 国网上海市电力公司 | 一种用于输电高压电缆接头教学的复合套管组件 |
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2007
- 2007-07-30 CN CNU2007201556547U patent/CN201075653Y/zh not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480117A (zh) * | 2010-11-23 | 2012-05-30 | 上海市电力公司 | 高压直流交联聚乙烯电缆预制型终端 |
| CN103869228A (zh) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | 35kV及以下应力环-油封型交联聚乙烯电力电缆局部放电测试终端 |
| CN103869227A (zh) * | 2014-04-02 | 2014-06-18 | 上海华普电缆有限公司 | 10kV及以下交联聚乙烯电力电缆局部放电测试终端 |
| CN103869228B (zh) * | 2014-04-02 | 2016-05-11 | 上海华普电缆有限公司 | 35kV及以下应力环-油封型交联聚乙烯电力电缆局部放电测试终端 |
| CN103869227B (zh) * | 2014-04-02 | 2016-07-06 | 上海华普电缆有限公司 | 10kV及以下交联聚乙烯电力电缆局部放电测试终端 |
| CN105047065A (zh) * | 2015-09-07 | 2015-11-11 | 国网上海市电力公司 | 一种用于输电高压电缆接头教学的复合套管组件 |
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