CN102456431B - 圆扁一体潜油电泵电缆 - Google Patents

圆扁一体潜油电泵电缆 Download PDF

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CN102456431B
CN102456431B CN 201010529300 CN201010529300A CN102456431B CN 102456431 B CN102456431 B CN 102456431B CN 201010529300 CN201010529300 CN 201010529300 CN 201010529300 A CN201010529300 A CN 201010529300A CN 102456431 B CN102456431 B CN 102456431B
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CN102456431A (zh
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刘洋
王鹏
王文伟
王滨海
方文山
顾莹
汤海波
陆有升
王朝阳
把建业
毕晓东
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Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co.,Ltd.
China National Petroleum Corp
CNPC Bohai Equipment Manufacturing Co Ltd
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CNPC Bohai Equipment Manufacturing Co Ltd
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Abstract

一种圆扁一体潜油电泵电缆。为了克服现有包带法难以保证圆电缆和扁电缆连接处的密封性能，造成绝缘层受井下油气环境侵蚀而电缆提前失效的不足，本发明的导体外依次包覆有绝缘层、耐油层为一根线芯，圆电缆的三根线芯成三角形排布后由护套层包覆，护套层外设置有铠装层；圆电缆端部的铠装层、护套层、耐油层依次剥掉，裸露绝缘层，将圆电缆端部的三根线芯的导体与扁电缆的三根线芯的导体分别绞合后，在橡胶加工设备上完成圆扁电缆过渡带橡胶护套层的成型及其硫化；用钢带在圆扁电缆过渡带橡胶护套层外包覆铠装层成为圆扁一体电缆。其有益效果是将圆电缆与扁电缆连接处一次成型，有效地避免了连接过程中存在的密封缺陷，有效延长电缆的寿命。

Description

圆扁一体潜油电泵电缆
所属技术领域
本发明涉及一种石油采油机械设备潜油泵机组用电缆，尤其是涉及一种圆扁一体潜油电泵电缆。
背景技术
潜油电泵广泛应用于石油开采领域，潜油电泵电缆是将电能输送给井下潜油电机的一种经过特殊密封的电缆，包括扁电缆和圆电缆。扁电缆用于安装在机组部位；动力电缆为圆电缆，圆电缆安装在油管部位，用电缆卡子和油管固定后一起下入井中。潜油电泵电缆由于工作环境比较恶劣，要求电缆的抗腐蚀性好、密封性好，保证井液不会渗入绝缘层内；耐温耐压性好，在井下高温和压力下能长期正常工作；有较高的机械强度，以防在起下过程中损坏。
目前，潜油电泵电缆有圆电缆和扁电缆两种，无论是圆电缆还是扁电缆，都是有导体、绝缘层、护套层和铠装钢带组成，如2008年6月4日公开的中国实用新型专利《电动潜油泵电力圆电缆》（公开号CN201069677），该电缆包括导体、内绝缘层、外绝缘层、护套和铠装层；导体的外侧设置有内绝缘层，内绝缘层的外侧设置有外绝缘层，导体、内绝缘层组成一个独立的信号传输芯，三根相同的信号传输芯由护套包覆，在护套的外面设置有铠装层。
由于井下空间限制，当圆形潜油泵电缆与扁形的引接电缆相连接时，由于二者几何形状不同，传统包带法难以保证连接处的密封性能，使用过程中电缆接头处容易发生窜气、窜液等现象，造成绝缘层受井下油气环境侵蚀而电缆提前失效，影响到电缆寿命，导致采油生产成本增加。
发明内容
为了克服现有包带法难以保证圆电缆和扁电缆连接处的密封性能，使用过程中电缆接头处容易发生窜气、窜液等现象，造成绝缘层受井下油气环境侵蚀而电缆提前失效，影响电缆寿命，造成采油生产成本增加的不足，本发明提供一种圆扁一体潜油电泵电缆。
本发明解决其技术问题所采用的技术方案是：圆扁一体潜油电泵电缆，包括导体、绝缘层、耐油层、护套层、铠装层，导体外依次包覆有绝缘层、耐油层，构成一根线芯，圆电缆的三根线芯成三角形排布后由护套层包覆，护套层外设置有铠装层；圆电缆端部的铠装层、护套层、耐油层依次剥掉，裸露绝缘层，将圆电缆端部的三根线芯的导体与扁电缆的三根线芯的导体分别绞合后，在橡胶加工设备上通过模具完成圆扁电缆过渡带橡胶护套层的成型及其硫化；用钢带在圆扁电缆过渡带橡胶护套层外包覆铠装层。
本发明的有益效果是，将圆电缆与扁电缆连接处一次成型，有效地避免了连接过程中存在的密封缺陷，结构简单、密封性能好，能够有效延长电缆的寿命。
附图说明：
图1是本发明圆扁一体潜油电泵电缆外形图。
图2是本发明中圆电缆结构示意图。
图3是本发明中扁电缆结构示意图。
图中：1.导体，2.绝缘层，3.耐油层，4.护套层，5.铠装层，6.护套层，7.铠装层，8.圆电缆，9.扁电缆，10.圆扁电缆过渡带。
具体实施方式
下面结合附图和实施例对本发明作进一步说明。
参照附图1～图3。本发明圆扁一体潜油电泵电缆，由圆电缆8，扁电缆9以及圆扁电缆过渡带10。电缆主要包括导体1、绝缘层2、耐油层3、护套层6、铠装层，导体1外依次包覆有绝缘层2、耐油层3，构成一根线芯。圆电缆8的三根线芯成三角形排布后由护套层4包覆，护套层4外设置有铠装层5。将圆电缆8端部的铠装层5、护套层4、耐油层3依次剥掉，裸露绝缘层2，将圆电缆8裸露的三根线芯的导体1与扁电缆9的三根线芯的导体1分别绞合后，在橡胶加工设备上通过模具完成圆扁电缆过渡带橡胶护套层的成型及其硫化；用钢带在圆扁电缆过渡带10橡胶护套层外包覆铠装层7成为圆扁一体电缆。然后按照扁电缆常规制造技术制作扁电缆9。
本发明圆扁一体潜油电泵电缆的应用，能够有效地避免圆电缆和扁电缆连接过程中存在的密封缺陷，具有结构简单、功能实用、可靠性高、有效延长电缆的使用寿命长。

Claims (1)

1.一种圆扁一体潜油电泵电缆，包括导体、绝缘层、耐油层、护套层、铠装层，导体外依次包覆有绝缘层、耐油层，构成一根线芯，圆电缆的三根线芯成三角形排布后由护套层包覆，护套层外设置有铠装层；其特征是：所述圆电缆（8）端部的铠装层（5）、护套层（4）、耐油层（3）依次剥掉，裸露绝缘层（2）；将圆电缆（8）端部的三根线芯的导体（1）与扁电缆（9）的三根线芯的导体（1）分别绞合后，在橡胶加工设备上通过模具完成圆扁电缆过渡带（10）橡胶护套层的成型及其硫化；用钢带在圆扁电缆过渡带（10）橡胶护套层外包覆铠装层（7）。
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CN102855983B (zh) * 2012-08-29 2016-08-03 芜湖航天特种电缆厂 一种航空用高温阻气电缆
CN103943263B (zh) * 2014-03-14 2016-08-17 安徽海容电缆有限公司 一种圆形潜油泵电缆

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Publication number Priority date Publication date Assignee Title
CN2591712Y (zh) * 2002-09-06 2003-12-10 刘更民 新型潜油泵电缆
CN200976293Y (zh) * 2006-11-29 2007-11-14 济南宝世达实业发展有限公司 铜包铝导体潜油泵扁、圆形电力电缆
CN201069677Y (zh) * 2007-07-17 2008-06-04 万达集团股份有限公司 电动潜油泵电力圆电缆

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JPH09270209A (ja) * 1996-04-01 1997-10-14 Hitachi Cable Ltd 水中ポンプ用平型ケーブル

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Publication number Priority date Publication date Assignee Title
CN2591712Y (zh) * 2002-09-06 2003-12-10 刘更民 新型潜油泵电缆
CN200976293Y (zh) * 2006-11-29 2007-11-14 济南宝世达实业发展有限公司 铜包铝导体潜油泵扁、圆形电力电缆
CN201069677Y (zh) * 2007-07-17 2008-06-04 万达集团股份有限公司 电动潜油泵电力圆电缆

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Application publication date: 20120516

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