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一种抗老化市政用低压电缆
InventionUnknown
8Claims · 1 independent
§ Ⅰ
Dossier Overview
Inventor
翟树泽; 翟树泉; 翟立营
Filing Date
Jul 1, 2026
Publication Date
Oct 20, 2026
IPC Classification
H01B 7/17 (2006.01)H01B 7/18 (2006.01)H01B 7/02 (2006.01)H01B 7/42 (2006.01)
本发明公开了一种抗老化市政用低压电缆,具体涉及电线电缆技术领域,包括低压电缆本体,低压电缆本体包括从内向外设置的导体、绝缘层、金属屏蔽层、内护套、铠装层和外护套,金属屏蔽层由内外复合的内层金属带和外层金属带构成,内层金属带和外层的外层金属带之间形成密封流道,波浪形密封流道内填充有低沸点工质;金属屏蔽层的外表面包覆有三维网状弹性体发泡层,且三维网状弹性体发泡层内分散有高吸水性聚合物颗粒;本发明解决了低压电缆无结构性的阻滞机制,从而导致电缆老化从外内内快速传导、电缆热胀冷缩产生的热应力在长期作用下导致电缆层间出现变形和分离以及电缆热量积聚所形成的热岛效应会加速材料老化技术问题。
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