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Ceramic fireproof flexible cable

A flexible cable and ceramicization technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of lack of fire protection, easy moisture absorption, non-refractory intermediate joints, etc., and achieve convenient and simple construction and installation, and the overall structure Simple, good insulation effect

Inactive Publication Date: 2015-03-25
JIANGSU BAOAN CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The insulating material adopts magnesium oxide (Mgo) powder, which is easy to absorb moisture, which brings many difficulties to the installation and construction and the production of terminals
Since the outer sheath is drawn from copper tubes, the length of the cable is limited (this problem exists in theory). The additional cost of the intermediate joint does not meet the requirements of fire protection, and unnecessary contact resistance is generated in the circuit, which greatly reduces the efficiency of power transmission and increases the hidden dangers of power transmission failure

Method used

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  • Ceramic fireproof flexible cable

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 As shown in the present invention, a ceramicized fireproof and refractory flexible cable includes a conductor 1, an insulating layer 2 is provided outside the conductor 1, and a ceramicized fireproof protective layer 3 is provided outside the insulating layer 2 , a filling layer 4 is provided outside the ceramicized fire protection layer 3, a thermal insulation lining layer 5 is provided outside the filling layer 4, and a metal sheath layer 6 is provided outside the thermal insulation lining layer 5; The outside of the metal sheath layer 6 is provided with a non-metal jacket layer 7; the conductor 1 is four; the conductor 1 is a copper conductor, and is formed by twisting multiple strands of copper wire; the filling layer 4 is carbonized Silicon composite filling layer or non-alkali glass rope filling layer; the thickness of the...

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Abstract

The invention relates to a ceramic fireproof flexible cable. The ceramic fireproof flexible cable comprises conductors, wherein an insulating layer is arranged outside each conductor, a ceramic fireproof protecting layer is arranged outside each insulating layer, a filling layer is arranged outside the ceramic fireproof protecting layers, a heat insulation lining is arranged outside the filling layer, and a metal sheath layer is arranged outside the heat insulation lining. The ceramic fireproof flexible cable is good in fireproof effect, flexible, good in insulating effect, free of moisture absorption and convenient and easy to construct and install, and continuous mechanical production can be achieved.

Description

technical field [0001] The invention relates to a cable, in particular to a ceramic cable. Background technique [0002] With the rapid development of the national economy, as the main artery of the national economy, the amount and scope of wire and cable are increasing. In recent years, power plants, substations, smelting and petrochemical industries have a great demand for cables. [0003] TC-YTTW metal sheath inorganic mineral insulated cable and BTTZ magnesium oxide mineral insulated cable belong to the category of mineral insulated cable (fireproof cable). Although BTTZ magnesium oxide mineral insulated cables have a long production history, although the existing production lines in use have been modified and upgraded, the product structure has never been updated, and the manufacturing process is backward and complicated. The conductor is made of solid copper rod, and the sheath is drawn from copper tube, so the cable is rigid. Magnesium oxide (Mgo) powder is used as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00H01B7/04H01B7/17H01B7/29H01B7/295
Inventor 刘强张立阳邵超施振君储国平石海
Owner JIANGSU BAOAN CABLE
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