CN106328284A - 一种自测扁平型地埋农用电缆 - Google Patents

一种自测扁平型地埋农用电缆 Download PDF

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Publication number
CN106328284A
CN106328284A CN201610954439.7A CN201610954439A CN106328284A CN 106328284 A CN106328284 A CN 106328284A CN 201610954439 A CN201610954439 A CN 201610954439A CN 106328284 A CN106328284 A CN 106328284A
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China
Prior art keywords
cable
oversheath
self
outer sheath
buried agricultural
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Pending
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CN201610954439.7A
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English (en)
Inventor
刘磊
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Wuxi Great Wall Electric Wire & Cable Co Ltd
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Wuxi Great Wall Electric Wire & Cable Co Ltd
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Priority to CN201610954439.7A priority Critical patent/CN106328284A/zh
Publication of CN106328284A publication Critical patent/CN106328284A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
    • H01B7/322—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising humidity sensing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
    • H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
    • H01B7/426—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using cooling fins, ribs

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  • Insulated Conductors (AREA)

Abstract

本发明公开了一种自测扁平型地埋农用电缆，包括三根平形直拖的绝缘线芯，绝缘线芯外直接挤包椭圆形聚氯乙烯外护套；在外护套内设有两组对称的加强钢丝绳，在外护套与两头的绝缘线芯之间设有防挤压孔；在聚氯乙烯外护套外侧上对称分别安装温度感应器和湿度感应器。本发明具有结构简单、散热性能好、敷设方便、安全性高、生产成本低、阻燃性能优异等特点。

Description

一种自测扁平型地埋农用电缆
技术领域
本发明涉及电力电缆领域，特别是涉及一种自测扁平型地埋农用电缆。
背景技术
近二十年来，农村低压地下直埋塑料绝缘线缆(简称地埋线或农缆)发展很快，地埋线缆与架空线相比有许多突出的优点，如敷设及造价低，少占耕地，抗灾力强，安全可靠，管理方便，节省维修费用等，因此全国农村市场对地埋线缆的需要量日益增长。
地埋农缆与地埋线比较，具有强度大、敷设方便的优点，另外它还可用作临时安装线路，因此它与地埋线一样深受广大用户欢迎。可是，我国目前生产的地埋农缆型号单一，只有一些绞合圆形的地埋农缆，远远不能满足农村用电的需要。另外，绞合圆形的地埋农缆成本高，散热性能差，因此克服其缺点，发展多型号、多规格的地埋农缆，是摆在我们面前的一项任务。
另外，由于电缆埋在地下，对于电缆的运行环境很难监测，有时会造成不必要的损失。
发明内容
本发明的目的就在于为了解决上述问题而提供一种结构简单、散热性能好、敷设方便、安全性高、生产成本低、阻燃性能优异的自测扁平型地埋农用电缆。
本发明通过以下技术方案来实现上述目的：
一种自测扁平型地埋农用电缆，包括三根平形直拖的绝缘线芯，绝缘线芯外直接挤包椭圆形聚氯乙烯外护套；在外护套内设有两组对称的加强钢丝绳，在外护套与两头的绝缘线芯之间设有防挤压孔；在聚氯乙烯外护套外侧上对称分别安装温度感应器和湿度感应器。
进一步改进，所述的绝缘线芯由无氧铜导体以及挤包在无氧铜导体外的交联聚乙烯绝缘层构成。
与现有技术相比，有益效果在于：
本发明设有多根加强钢丝绳，使得电缆不易断裂，加强了电缆的结构；另外设有防挤压孔，使得电缆具有耐挤压性，在受到挤压的情况下不易挤压坏线芯；本发明还具有结构简单、散热性能好、敷设方便、安全性高、生产成本低、阻燃性能优异。另外，在电缆上设有测温感应器和湿度感应器，可以监测电缆的运行环境，必要时可以及时采取措施，保护好电缆，大大减小了不必要的损失。
附图说明
图1是本发明的结构示意图。
具体实施方式
下面结合附图对本发明作进一步说明：
如图1所示，一种自测扁平型地埋农用电缆，包括三根平形直拖的绝缘线芯，绝缘线芯外直接挤包椭圆形聚氯乙烯外护套5；为了使得电缆结构更加稳固，不易断裂，在外护套内设有两组对称的加强钢丝绳3，为了线芯不易被加压坏，在外护套与两头的绝缘线芯之间设有防挤压孔4。所述的绝缘线芯由无氧铜导体1以及挤包在无氧铜导体外的交联聚乙烯绝缘层2构成；在聚氯乙烯外护套外侧上对称分别安装温度感应器6和湿度感应器7，方便监测电缆在地下的运行工作环境，必要时可以采取有效措施，减少损失。
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。

Claims (2)

1.一种自测扁平型地埋农用电缆，其特征在于：包括三根平形直拖的绝缘线芯，绝缘线芯外直接挤包椭圆形聚氯乙烯外护套；在外护套内设有两组对称的加强钢丝绳，在外护套与两头的绝缘线芯之间设有防挤压孔；在聚氯乙烯外护套外侧上对称分别安装温度感应器和湿度感应器。
2.根据权利要求1所述的自测扁平型地埋农用电缆，其特征在于：所述的绝缘线芯由无氧铜导体以及挤包在无氧铜导体外的交联聚乙烯绝缘层构成。
CN201610954439.7A 2016-11-03 2016-11-03 一种自测扁平型地埋农用电缆 Pending CN106328284A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060042817A1 (en) * 2004-08-24 2006-03-02 Paul Bello Submersible pump cable with air line
CN103824617A (zh) * 2013-06-28 2014-05-28 上海卡迪夫电缆有限公司 超高层超高速电梯用扁型电梯随行电缆
CN204332485U (zh) * 2014-12-01 2015-05-13 江苏港通电缆有限公司 一种具有自检功能的交联聚乙烯绝缘铜带屏蔽变频电缆
CN205354708U (zh) * 2016-01-29 2016-06-29 江苏长峰电缆有限公司 一种高强度耐弯曲电梯用扁电缆
CN205542081U (zh) * 2016-05-06 2016-08-31 潘明利 一种绝缘防火电缆
CN205621480U (zh) * 2016-03-15 2016-10-05 福建南平太阳电缆股份有限公司 一种具有自检功能的电缆

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060042817A1 (en) * 2004-08-24 2006-03-02 Paul Bello Submersible pump cable with air line
CN103824617A (zh) * 2013-06-28 2014-05-28 上海卡迪夫电缆有限公司 超高层超高速电梯用扁型电梯随行电缆
CN204332485U (zh) * 2014-12-01 2015-05-13 江苏港通电缆有限公司 一种具有自检功能的交联聚乙烯绝缘铜带屏蔽变频电缆
CN205354708U (zh) * 2016-01-29 2016-06-29 江苏长峰电缆有限公司 一种高强度耐弯曲电梯用扁电缆
CN205621480U (zh) * 2016-03-15 2016-10-05 福建南平太阳电缆股份有限公司 一种具有自检功能的电缆
CN205542081U (zh) * 2016-05-06 2016-08-31 潘明利 一种绝缘防火电缆

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Application publication date: 20170111