Stainless steel armored mineral insulated fireproof cable

• Main Authors: ZOU RUIJUN, HUANG WEILI, ZHANG CHENNAN, SHENG CHANGFEI, LI HAODONG, ZHANG RUNHAO, SHI SHAOHONG, ZHANG QING
• Format: Patent
• Language: Chinese; English
• Published: 15.08.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CONDUCTORS; ELECTRICITY; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES

The utility model provides a stainless steel armored mineral insulated fire-resistant cable. The stainless steel armored mineral insulated fire-resistant cable sequentially comprises a plurality of wire cores, a first wrapping tape, a ceramic outer protective layer, a second wrapping tape and an armored layer from inside to outside, wherein one or more wire cores sequentially comprise a plurality of twisted conductors, a first insulating layer and a second insulating layer from inside to outside, the first insulating layer and the second insulating layer sequentially wrap the plurality of twisted conductors, and a gap between the second insulating layer and the first wrapping tape is filled with a filling layer; wherein the armored layer is the outermost layer of the stainless steel armored mineral insulated fire-resistant cable. 本实用新型提供一种不锈钢铠装矿物绝缘耐火电缆，由内到外依次包括若干线芯、第一包带、陶瓷外护层、第二包带及铠装层；其中的一根或多根线芯内到外依次包括多根绞合的导体、第一绝缘层及第二绝缘层，第一绝缘层和第二绝缘层依次包裹住多根绞合后的导体，第二绝缘层和第一包带之间的空隙填充有填充层；其中，铠装层为不锈钢铠装矿物绝缘耐火电缆的最外层。