High fireproof power cable

• Main Authors: JIANG ZHIZHONG, JING RENJIE, FEI YONG, JING YUANMING, YING SIYUAN, JIANG HONGFEN
• Format: Patent
• Language: English
• Published: 10.06.2015
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CONDUCTORS; ELECTRICITY; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES

The utility model relates to a high fireproof power cable. The high fireproof power cable comprises a cable core and a protective sheath wrapping the outside of the cable core. The protective sheath is a low smoke zero halogen sheath, and a first braided layer and a first fireproof mica tape are disposed from the outside to the inside between the protective sheath and the cable core. The cable core is a conductor twisted by a plurality of electrical units, the electrical units include a second braided layer, a second fireproof mica tape and a naked metal wire from the outside to the inside. According to the high fireproof power cable, two layers of fireproof mica tapes and two fiberglass braided layers are adopted, so the cable has dual flame resistance, excellent fire resistance, excellent anti-corrosion property, good tensile property and good crushing resistance, and the service life of the cable is prolonged.