Fire-proof and water-proof and temperature sensing cable and manufacturing method thereof

Abstract

The invention discloses a fire-proof and water-proof and temperature sensing cable and a manufacturing method thereof, and relates to a power cable. The cable from inside to outside successively comprises a conductor part, thermo sensitive insulation layers, a temperature sensing layer, a water absorption belt, a screen belt, a fire-proof layer and a fluoroplastic sheath. The conductor part includes a plurality of steel / copper cores. The external surface of each steel / copper core is provided with a thermo sensitive insulation layer by extrusion moulding, and the plurality of steel / copper cores are intertwisted together at a lay ratio of 16-24:1. The temperature sensing layer is connected to a signal processing apparatus which is connected to an alarming apparatus. According to the fire-proof and water-proof and temperature sensing cable of the invention, when the temperature quickly rises due to a short circuit or overheating, the steel / copper cores can fast damage the thermo sensitive insulation layers so as to enable the alarming apparatus to make a fast early warning response. The cable can swiftly provide alarming prompts to people and prevent fire caused by cables.

Description

technical field [0001] The invention relates to a power cable, in particular to a fireproof, waterproof, temperature-sensing cable and a manufacturing method thereof. Background technique [0002] Fire is one of the major disasters that cause personal injury and property loss. With the development of high-rise buildings, the wide application of automation technology and the increase of various electrical facilities, the carrying capacity of wires and cables has been increased, and the possibility of fires has increased. . [0003] The Chinese utility model patent with the patent application number CN200920043546.X discloses a new type of fire early warning control cable, which is characterized in that: the cable conductor is wrapped with a layer of refractory layer, and the refractory layer is extruded with an insulating layer. Outside the stranded cable core are semiconductor water-blocking tape, inner lining, copper wire, copper tape shielding layer, semi-conductive resis...

AI Technical Summary

Problems solved by technology

Although the new fire early warning control cable provided by this patent has the function of temperature sensing alarm, it can also reduce the occurrence of fire to a certain extent; however, the early warning effect of this cable on fire is not very good, and it is not accurate enough.

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