CN113192673B - 一种抗冲击电缆及其安装方法 - Google Patents
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Abstract
一种抗冲击电缆,包括电缆芯,所述电缆芯由若干导线绞合而成;所述电缆芯外设有阻水层,所述阻水层外设有防水层A,所述防水层A外设有高温水溶颗粒层,所述高温水溶颗粒层由高温水溶颗粒A和高温水溶颗粒B组成,所述高温水溶颗粒A外部为高温水溶物,内部为水,所述高温水溶颗粒B外部为高温水溶物,内部为非牛顿流体干剂,当温度高于60摄氏度时,高温水溶物会溶解于水,所述高温水溶颗粒层内设有若干加热电阻丝,所述高温水溶颗粒层外设有防水层B,所述防水层B外设有隔热层,所述隔热层外设有护套层。本发明通过对电缆内部结构设计、材料的选择和安装工艺的改进,降低了电缆的生产成本。
Description
技术领域
本发明属于电缆生产技术领域,具体涉及一种抗冲击电缆及其安装方法。
背景技术
在非牛顿流体的流动状态方程中,如果1<n<∞,称为胀塑性流动。其剪切应力与剪切速率的关系曲线通过原点,偏离ε轴向上弯曲。随剪切应力或剪切速率的增大,表观黏度η逐渐增大。直观表现就是:当遇到极大的瞬间冲击力时,胀塑性非牛顿流体会变得十分坚硬,这样就可以抵御冲击。利用这样的性质,很多电缆内设有非牛顿流体,来提高电缆的抗冲击性,从而可以有效的保护内部的电缆芯。
但是实际生产和使用中存在如下问题:非牛顿流体的常态是具有较强流动性的,生产过程中将其包裹在电缆中,会使后续的外护套挤包不均匀,废品率提高,增加生产成本,如果在非牛顿流体表面包裹较硬的绕包层,会使电缆弯曲半径较大,不方便电缆的收卷运输,安装需要截断电缆时流体会流出,导致安装也十分不方便。
现有技术中,没有如何设置非牛顿流体层,且避免以上问题方法的公开,因此设计一种含有非牛顿流体的抗冲击电缆,且能够避免以上问题,是具有重要意义的。
发明内容
为了满足上述要求,本发明提供一种抗冲击电缆及其安装方法,通过对电缆内部结构设计、材料的选择和安装工艺的改进,解决了非牛顿流体设于电缆内影响后续外护套挤包、运输以及安装的问题。
本发明解决其技术问题所采用的技术方案是:一种抗冲击电缆,包括电缆芯,所述电缆芯由若干导线绞合而成;
所述电缆芯外设有阻水层,所述阻水层外设有防水层A,所述防水层A外设有高温水溶颗粒层,所述高温水溶颗粒层由高温水溶颗粒A和高温水溶颗粒B组成,所述高温水溶颗粒A外部为高温水溶物,内部为水,所述高温水溶颗粒B外部为高温水溶物,内部为非牛顿流体干剂,当温度高于60摄氏度时,高温水溶物会溶解于水,所述高温水溶颗粒层内设有若干加热电阻丝,所述高温水溶颗粒层外设有防水层B,所述防水层B外设有隔热层,所述隔热层外设有护套层;
安装方法:电缆铺设到预定位置后,将电缆两端封闭,将加热电阻丝接入加热设备,对电缆进行加热,加热温度不低于60摄氏度,同时在电缆表面放置超声波发生器,功率不低于50W,超声波发生器在电缆表面缓慢移动,速度不高于1m/min。
优选的,所述阻水层材质为阻水纱或阻水粉。
优选的,所述高温水溶物材质为聚乙烯醇或水溶性聚酰亚胺。
优选的,所述非牛顿流体干剂为太白粉、泥粉或水煤粉中任意一种。
优选的,所述防水层A和防水层B材质为聚四氟乙烯、聚乙烯或聚丙烯中任意一种。
优选的,所述隔热层材质为玻璃纤维,高硅氧纤维或硅酸铝纤维中任意一种。
优选的,所述护套层材质为聚氨酯或三元乙丙橡胶。
在未铺设状态下,水和非牛顿流体干剂都被包裹在高温水溶颗粒内,因此电缆的内部都是固体,方便后续材料的绕包,护套层的挤包,以及生产后电缆的绕卷、安装,隔热纤维层防止挤包外护套时的高温使高温水溶颗粒提前溶解于水。
铺设完毕后,首先对电缆进行加热,使高温水溶颗粒A被其内部的水溶解,释放出水,接着水溶解高温水溶颗粒B,使水和非牛顿流体干剂融合,形成非牛顿流体,同时通过超声波发生器使内部的水高速震荡,加快高温水溶物的溶解速率,且使水和非牛顿流体干剂融合溶解均匀。
本发明的有益效果是:通过对电缆内部结构设计、材料的选择和安装工艺的改进,使含有非牛顿流体的抗冲击电缆的生产、储存和安装,都可以按照现有成熟的工艺来,降低了电缆的生产成本。
附图说明
下面结合附图和实例对本发明作进一步说明;
图1是本发明的结构示意图。
图中:1.导线,2.阻水层,3.防水层A,4.高温水溶颗粒层,5.加热电阻丝,6.防水层B,7.隔热层,8.护套层。
具体实施方式
实例1
图1中是一种抗冲击电缆,图中:1.导线,2.阻水层,3.防水层A,4.高温水溶颗粒层,5.加热电阻丝,6.防水层B,7.隔热层,8.护套层。包括电缆芯,所述电缆芯由若干导线绞合而成;
所述电缆芯外设有阻水层,所述阻水层外设有防水层A,所述防水层A外设有高温水溶颗粒层,所述高温水溶颗粒层由高温水溶颗粒A和高温水溶颗粒B组成,所述高温水溶颗粒A外部为高温水溶物,内部为水,所述高温水溶颗粒B外部为高温水溶物,内部为非牛顿流体干剂,当温度高于60摄氏度时,高温水溶物会溶解于水,所述高温水溶颗粒层内设有若干加热电阻丝,所述高温水溶颗粒层外设有防水层B,所述防水层B外设有隔热层,所述隔热层外设有护套层。
本实例中,所述阻水层材质为阻水纱。
本实例中,所述高温水溶物材质为醇解度92%的聚乙烯醇。
本实例中,所述非牛顿流体干剂为水煤粉。
本实例中,所述防水层A和防水层B材质为聚四氟乙烯。
本实例中,所述隔热层材质为玻璃纤维。
本实例中,所述护套层材质为聚氨酯。
本实例抗冲击电缆的安装方法:电缆铺设到预定位置后,将电缆两端封闭,将加热电阻丝接入加热设备,对电缆进行加热,加热温度为65摄氏度,同时在电缆表面放置超声波发生器,功率为200W,超声波发生器以0.1m/min在电缆表面缓慢移动。
实例2
图1中是一种抗冲击电缆,图中:1.导线,2.阻水层,3.防水层A,4.高温水溶颗粒层,5.加热电阻丝,6.防水层B,7.隔热层,8.护套层。包括电缆芯,所述电缆芯由若干导线绞合而成;
所述电缆芯外设有阻水层,所述阻水层外设有防水层A,所述防水层A外设有高温水溶颗粒层,所述高温水溶颗粒层由高温水溶颗粒A和高温水溶颗粒B组成,所述高温水溶颗粒A外部为高温水溶物,内部为水,所述高温水溶颗粒B外部为高温水溶物,内部为非牛顿流体干剂,当温度高于60摄氏度时,高温水溶物会溶解于水,所述高温水溶颗粒层内设有若干加热电阻丝,所述高温水溶颗粒层外设有防水层B,所述防水层B外设有隔热层,所述隔热层外设有护套层。
本实例中,所述阻水层材质为阻水粉。
本实例中,所述高温水溶物材质为水溶性聚酰亚胺。
本实例中,所述非牛顿流体干剂为泥粉。
本实例中,所述防水层A和防水层B材质为聚丙烯。
本实例中,所述隔热层材质为硅酸铝纤维。
本实例中,所述护套层材质为三元乙丙橡胶。
本实例抗冲击电缆的安装方法:电缆铺设到预定位置后,将电缆两端封闭,将加热电阻丝接入加热设备,对电缆进行加热,加热温度为80摄氏度,同时在电缆表面放置超声波发生器,功率300W,超声波发生器在电缆表面缓慢移动,速度0.3m/min。
Claims (7)
1.一种抗冲击电缆的安装方法,所述抗冲击电缆包括电缆芯,所述电缆芯由若干导线绞合而成,其特征是:所述电缆芯外设有阻水层,所述阻水层外设有防水层A,所述防水层A外设有高温水溶颗粒层,所述高温水溶颗粒层由高温水溶颗粒A和高温水溶颗粒B组成,所述高温水溶颗粒A外部为高温水溶物,内部为水,所述高温水溶颗粒B外部为高温水溶物,内部为非牛顿流体干剂,当温度高于60摄氏度时,高温水溶物会溶解于水,所述高温水溶颗粒层内设有若干加热电阻丝,所述高温水溶颗粒层外设有防水层B,所述防水层B外设有隔热层,所述隔热层外设有护套层;
安装方法:电缆铺设到预定位置后,将电缆两端封闭,将加热电阻丝接入加热设备,对电缆进行加热,加热温度不低于60摄氏度,同时在电缆表面放置超声波发生器,功率不低于50W,超声波发生器在电缆表面缓慢移动,速度不高于1m/min。
2.根据权利要求1所述的一种抗冲击电缆的安装方法,其特征是:所述阻水层材质为阻水纱或阻水粉。
3.根据权利要求1所述的一种抗冲击电缆的安装方法,其特征是:所述高温水溶物材质为聚乙烯醇或水溶性聚酰亚胺。
4.根据权利要求1所述的一种抗冲击电缆的安装方法,其特征是:所述非牛顿流体干剂为太白粉、泥粉或水煤粉中任意一种。
5.根据权利要求1所述的一种抗冲击电缆的安装方法,其特征是:所述防水层A和防水层B材质为聚四氟乙烯、聚乙烯或聚丙烯中任意一种。
6.根据权利要求1所述的一种抗冲击电缆的安装方法,其特征是:所述隔热层材质为玻璃纤维,高硅氧纤维或硅酸铝纤维中任意一种。
7.根据权利要求1所述的一种抗冲击电缆的安装方法,其特征是:所述护套层材质为聚氨酯或三元乙丙橡胶。
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