CN106205842A - 一种绝缘防火的高压输电电力电缆 - Google Patents
一种绝缘防火的高压输电电力电缆 Download PDFInfo
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Abstract
本发明属于电力技术领域且公开了一种绝缘防火的高压输电电力电缆,包括外套和缆心,所述外套从外到内依次为防水层、屏蔽层和阻燃层且相互之间固定连接,所述外套内部设有4个缆心和5个绝缘填充条,所述缆心之间连接,所述缆心与外套的缝隙间填充有绝缘填充条,所述缆心从外到内依次设有分屏蔽层、防火层绝缘层和导体且相互之间固定连接,所述防火层外部设有分屏蔽层,所述防火层包裹在导体外部。本发明在缆心和外套间的缝隙设有绝缘条,具有绝缘的作用,分屏蔽层、防火层和绝缘层包裹着导体,防止导体发生漏电的现象和火灾事故,使电缆的更好的绝缘性,更强的防火性,更高的安全性,使寿命更长。
Description
技术领域
本发明涉及一种电缆装置,具体涉及一种绝缘防火的高压输电电力电缆,属于电力技术领域。
背景技术
随着国民经济的快速发展,作为国民经济主动脉的电力电缆的用量和使用范围越来越大,现有的电力电缆一般 采用芯线外面包覆绝缘层的结构,或者结构为多个线芯直接包裹在绝缘材料中,相邻线芯之间不存在间距,如此,当不同的信号在各自的线芯中传输的过程中,不同的信号之间会发生干扰现象,影响了该电缆的应用,同时也不具备相应的防火能力及超强绝缘性能;在现在的电力电缆长时间使用中,绝缘层易发生老化,导致电缆的绝缘性能降低,发生漏电、短路等现象,更有甚者,高温下发生火灾,安全性能差,使电缆的使用寿命短的问题域性水污染防治,为此,我们提出一种绝缘防火的高压输电电力电缆。
发明内容
本发明要解决的技术问题克服现有的缺陷,提供一种绝缘防火的高压输电电力电缆,在缆心和外套间的缝隙设有绝缘条,具有绝缘的作用,分屏蔽层、防火层和绝缘层包裹着导体,防止导体发生漏电的现象和火灾事故,使电缆的更好的绝缘性,更强的防火性,更高的安全性,使寿命更长,可以有效解决背景技术中的问题。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明提供一种绝缘防火的高压输电电力电缆,包括外套和缆心,所述外套从外到内依次为防水层、屏蔽层和阻燃层且相互之间固定连接,所述外套内部设有4个缆心和5个绝缘填充条,所述缆心之间连接,所述缆心与外套的缝隙间填充有绝缘填充条,所述缆心从外到内依次设有分屏蔽层、防火层绝缘层和导体且相互之间固定连接,所述防火层外部设有分屏蔽层,所述防火层包裹在导体外部。
作为本发明的一种优选技术方案,所述外套由以下重量份的原料制备而成:PVC树脂18-30份、柠檬酸乙酰基三辛酯10-13份、玻璃纤维丝11-22份、聚苯乙烯13-25份、可分散胶粉5-11份、异癸基联苯磷酸酯15-25份、偏苯三酸三酯20-35份、刚玉粉8-15份、三聚氰胺氰尿酸盐12-20份、硬脂酸1-2份、海泡石粉5-11份、环氧树脂4-15份、稳定剂2-6份、发泡剂1-4份和阻燃剂1-6份。
作为本发明的一种优选技术方案,所述绝缘层包裹着导体外侧,且所述绝缘层与防火层连接。
作为本发明的一种优选技术方案,所述绝缘填充条由橡胶材料制成。
作为本发明的一种优选技术方案,所述阻燃层位于外套的内侧,且所述阻燃层与缆心外部的分屏蔽层相连。
作为本发明的一种优选技术方案,所述外套外侧设有防水层,所述防水层与屏蔽层连接。
作为本发明的一种优选技术方案,所述导体为铜线。
作为本发明的一种优选技术方案,所述稳定剂为环氧酯、甘露醇、亚磷酸酯中的一种;所述发泡剂为碳酸氢钠或碳化硅;所述阻燃增效剂为N-(3-甲基-4-(4-甲基-3-吡啶基)苯基)甲磺酰胺。
本发明所达到的有益效果是:一种绝缘防火的高压输电电力电缆,在缆心和外套间的缝隙设有绝缘条,具有绝缘的作用,分屏蔽层、防火层和绝缘层包裹着导体,防止导体发生漏电的现象和火灾事故,使电缆的更好的绝缘性,更强的防火性,更高的安全性,使寿命更长。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
在附图中:
图1是本发明实施例所述的一种绝缘防火的高压输电电力电缆整体结构示意图;
图中标号:1、外套;2、防水层;3、屏蔽层;4、阻燃层;5、绝缘填充条;6、缆心;7、分屏蔽层;8、防火层;9、绝缘层;10、导体。
具体实施方式
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
请参阅图1,本发明一种绝缘防火的高压输电电力电缆,包括外套1和缆心6,所述外套1从外到内依次为防水层2、屏蔽层3和阻燃层4且相互之间固定连接,所述外套1内部设有4个缆心6和5个绝缘填充条5,所述缆心6之间连接,所述缆心6与外套1的缝隙间填充有绝缘填充条5,所述缆心6从外到内依次设有分屏蔽层7、防火层8绝缘层9和导体10且相互之间固定连接,所述防火层8外部设有分屏蔽层7,所述防火层8包裹在导体10外部。
所述外套1由以下重量份的原料制备而成:PVC树脂18-30份、柠檬酸乙酰基三辛酯10-13份、玻璃纤维丝11-22份、聚苯乙烯13-25份、可分散胶粉5-11份、异癸基联苯磷酸酯15-25份、偏苯三酸三酯20-35份、刚玉粉8-15份、三聚氰胺氰尿酸盐12-20份、硬脂酸1-2份、海泡石粉5-11份、环氧树脂4-15份、稳定剂2-6份、发泡剂1-4份和阻燃剂1-6份。
所述绝缘层9包裹着导体10外侧,且所述绝缘层9与防火层8连接,防止两缆心发生漏电现象,所述绝缘填充条5由橡胶材料制成,防止导体发生火灾或漏电现象,所述阻燃层4位于外套1的内侧,与缆心6外部的分屏蔽层7相连,能很好起到绝缘作用,防止4个缆心中导体接触,所述外套1外侧设有防水层2,所述防水层2与屏蔽层3连接,起到内部防火作用,所述导体10为铜线。
所述稳定剂为环氧酯、甘露醇、亚磷酸酯中的一种;所述发泡剂为碳酸氢钠或碳化硅;所述阻燃增效剂为N-(3-甲基-4-(4-甲基-3-吡啶基)苯基)甲磺酰胺。
实施例1:
外套1由以下重量份的原料制备而成:PVC树脂22份、柠檬酸乙酰基三辛酯12份、玻璃纤维丝17份、聚苯乙烯15份、可分散胶粉11份、异癸基联苯磷酸酯18份、偏苯三酸三酯25份、刚玉粉8份、三聚氰胺氰尿酸盐17份、硬脂酸1份、海泡石粉6份、环氧树脂11份、稳定剂5份、发泡剂2份和阻燃剂3份。
实施例2:
外套1由以下重量份的原料制备而成:PVC树脂30份、柠檬酸乙酰基三辛酯13份、玻璃纤维丝22份、聚苯乙烯25份、可分散胶粉11份、异癸基联苯磷酸酯25份、偏苯三酸三酯35份、刚玉粉15份、三聚氰胺氰尿酸盐20份、硬脂酸2份、海泡石粉11份、环氧树脂15份、稳定剂6份、发泡剂4份和阻燃剂6份。
实施例3:
外套1由以下重量份的原料制备而成:PVC树脂18份、柠檬酸乙酰基三辛酯10份、玻璃纤维丝11份、聚苯乙烯13份、可分散胶粉5份、异癸基联苯磷酸酯15份、偏苯三酸三酯20份、刚玉粉8份、三聚氰胺氰尿酸盐12份、硬脂酸1份、海泡石粉5份、环氧树脂4份、稳定剂2份、发泡剂1份和阻燃剂1份。
需要说明的是,本发明为一种绝缘防火的高压输电电力电缆,工作时,在缆心和外套间的缝隙设有绝缘条,具有绝缘的作用,分屏蔽层、防火层和绝缘层包裹着导体,防止导体发生漏电的现象和火灾事故,使电缆的更好的绝缘性,更强的防火性,更高的安全性,使寿命更长。
本发明使用到的标准零件均可以从市场上购买,异形件根据说明书的和附图的记载均可以进行订制,各个零件的具体连接方式均采用现有技术中成熟的螺栓、铆钉、焊接等常规手段,机械、零件和设备均采用现有技术中,常规的型号,加上电路连接采用现有技术中常规的连接方式,在此不再详述。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (8)
1.一种绝缘防火的高压输电电力电缆,包括外套(1)和缆心(6),其特征在于,所述外套(1)从外到内依次为防水层(2)、屏蔽层(3)和阻燃层(4)且相互之间固定连接,所述外套(1)内部设有4个缆心(6)和5个绝缘填充条(5),所述缆心(6)之间连接,所述缆心(6)与外套(1)的缝隙间填充有绝缘填充条(5),所述缆心(6)从外到内依次设有分屏蔽层(7)、防火层(8)绝缘层(9)和导体(10)且相互之间固定连接,所述防火层(8)外部设有分屏蔽层(7),所述防火层(8)包裹在导体(10)外部。
2.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述外套(1)由以下重量份的原料制备而成:PVC树脂18-30份、柠檬酸乙酰基三辛酯10-13份、玻璃纤维丝11-22份、聚苯乙烯13-25份、可分散胶粉5-11份、异癸基联苯磷酸酯15-25份、偏苯三酸三酯20-35份、刚玉粉8-15份、三聚氰胺氰尿酸盐12-20份、硬脂酸1-2份、海泡石粉5-11份、环氧树脂4-15份、稳定剂2-6份、发泡剂1-4份和阻燃剂1-6份。
3.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述绝缘层(9)包裹着导体(10)外侧,且所述绝缘层(9)与防火层(8)连接。
4.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述绝缘填充条(5)由橡胶材料制成。
5.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述阻燃层(4)位于外套(1)的内侧,与缆心(6)外部的分屏蔽层(7)相连。
6.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述外套(1)外侧设有防水层(2),所述防水层(2)与屏蔽层(3)连接。
7.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述导体(10)为铜线。
8.根据权利要求1所述的一种绝缘防火的高压输电电力电缆,其特征在于,所述稳定剂为环氧酯、甘露醇、亚磷酸酯中的一种;所述发泡剂为碳酸氢钠或碳化硅;所述阻燃增效剂为N-(3-甲基-4-(4-甲基-3-吡啶基)苯基)甲磺酰胺。
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