CN201812538U - A high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable - Google Patents

Abstract

The utility model discloses a high-temperature-resistant moisture-proof mould-proof environment-friendly cable, which comprises a plurality of conductors and insulating layers, wherein each conductor is formed by stranding a plurality of tinned copper wires, the outsides of the conductors are provided with the insulating layers formed by extruding low smoke zero halogen modified fluorous rubber, a plurality of conductors wrapped by the insulating layers are stranded to serve as a cable core, the outsides of a plurality of conductors wrapped by the insulating layers are wrapped by the taped coverings, the outsides of the taped coverings are wrapped with low smoke zero halogen modified fluorous rubber jacket layers, a plurality of strands of fillers are arranged between the taped coverings and a plurality of conductors wrapped by the insulating layers, the fillers and the taped coverings respectively adopt water-blocking yarns and water-blocking bands as the moisture-proof materials to form heat-resistant layers. The utility model has the characteristics of moisture-proofing, high-temperature resistance, inflaming retarding, mould-proofing, low smoke, zero smoke, flexibility and the like, can well adapt to the hostile environment of coastal industrial and mining enterprises, and has environment-friendly safety.

Description

A high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable

Technical field:

The utility model relates to the field of special cables, in particular to a high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable.

Background technique:

Cables are used to transmit electric (magnetic) energy, information and wire products that realize electromagnetic energy conversion. A rope-like cable usually made of several or several groups of wires twisted together with at least two wires in each group. Each group of wires is insulated from each other and often twisted around a center, and the entire outside is covered with a highly insulating covering. layer. Wires and cables mainly include bare wires, electromagnetic wires and insulated wires for electrical appliances, power cables, communication cables and optical cables.

Traditionally, this type of cable is made of plastic or silicone rubber materials for the insulation layer and sheath layer, which often contain fluorine, chlorine, nitrogen, lead, cadmium, etc. When burning, a large amount of smoke, dioxin, acid gas and other public hazards are produced.

At present, with the development of science and technology and the strengthening of environmental protection concepts, cable manufacturers are forced to replace traditional materials with materials that meet environmental protection requirements to manufacture environmentally friendly cables or so-called "clean cables". The particularity of the use of cables in coastal cities requires cables to have the characteristics of moisture resistance, high temperature resistance, flame retardancy, mildew resistance, low smoke, smokeless, and softness to ensure the safety of use. However, currently used materials are difficult to fully satisfy the above requirements at the same time. The utility model can meet the harsh environment of industrial and mining enterprises in coastal cities, and can be environmentally friendly and safe.

Utility model content:

The purpose of this utility model is to provide a high-temperature-resistant, moisture-resistant, mildew-proof and environment-friendly cable, which has the characteristics of moisture resistance, high temperature resistance, flame retardancy, mildew resistance, low smoke, smokeless, softness, etc. environment, and is environmentally safe.

The technical scheme of the present utility model is as follows:

A high-temperature-resistant, moisture-resistant, mildew-proof, and environment-friendly cable, including several conductors and an insulating layer, is characterized in that: the conductor is twisted from a plurality of tinned copper wires, and the conductor is extruded with low-smoke, halogen-free modified fluorine The rubber constitutes the insulating layer, and several conductors wrapped in the insulating layer are twisted together as the cable core, and the conductors wrapped in the insulating layer are wrapped with a wrapping layer, and the wrapping layer is wrapped with a low-smoke halogen-free modified fluororubber As for the sheath layer, several strands of filler are arranged between the wrapping layer and the plurality of conductors wrapping the insulation layer.

The high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable is characterized in that: the filler and the wrapping layer respectively use water-blocking yarn and water-blocking tape as moisture-proof materials to form a temperature-resistant layer.

The high-temperature-resistant, moisture-resistant, mildew-proof and environment-friendly cable is characterized in that: the conductor is a bundle/strand structure of tinned copper wire, the twisted pitch ratio of the conductor is 14-20, and the tinned copper wire The diameter of the monofilament is 0.2-0.5mm; the elongation of the monofilament at break is not less than 15%.

The high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable is characterized in that: the cable cores are 2-48 cores.

The rated voltage of the utility model is 300/500V~1.8/3KV, compared with the prior art, the beneficial effects of the utility model are reflected in:

1. The utility model has high flexibility and meets the requirements of small bending radius. The bending radius is not more than 2-4 times the outer diameter of the cable, which is beneficial to cable laying and installation;

2. The temperature resistance grade of the finished cable of the utility model reaches 200-250°C, which improves the carrying capacity and overload capacity of the cable;

3. The insulating material in this utility model adopts low-smoke and halogen-free modified fluororubber, which has excellent heat resistance, oil resistance, solvent resistance, chemical resistance, aging resistance, ozone resistance, moisture resistance, mildew resistance, and low smoke Halogen-free and other excellent properties, the highest long-term use temperature of the conductor can reach 250 ° C, and the electrical performance is stable.

4. The insulating material and sheath material of the present invention meet the requirements of a high temperature, humidity, mildew and mildew resistant cable, such as moisture resistance, high temperature resistance, flame retardancy, mildew resistance, low smoke, smokeless, softness;

5. The utility model is resistant to mineral oil and fuel oil, and its flame retardant oxygen index reaches 48.

Description of drawings:

Fig. 1 is the structural representation of the utility model.

Detailed ways:

A high-temperature-resistant, moisture-resistant, mildew-proof, and environment-friendly cable, including several conductors 1 and an insulating layer 2, the conductor 1 is made of multiple tinned copper wires twisted, and the conductor 1 is extruded and wrapped with low-smoke and halogen-free modified fluororubber to form insulation Layer 2, several conductors 1 wrapping the insulation layer 2 are twisted together as the cable core, several conductors 1 wrapping the insulation layer 2 are wrapped with a wrapping layer 3, and the wrapping layer 3 is wrapped with a low-smoke halogen-free modified fluorine There are several strands of filler 5 between the rubber sheath layer 4, the wrapping layer 3 and the multiple conductors 1 wrapping the insulating layer 2; the filler 5 and the wrapping layer 3 respectively use water-blocking yarn and water-blocking tape as moisture-proof materials , forming a heat-resistant layer; conductor 1 is a bundle/strand structure of tinned copper wire, the twisted section diameter ratio of conductor 1 is 14-20, and the single wire diameter of tinned copper wire is 0.2-0.5mm; The elongation at break is not less than 15%. ; The cable core is 2-48 cores.

Claims (4)

1. A high-temperature-resistant, moisture-resistant, mildew-proof, and environment-friendly cable, including several conductors and an insulating layer, is characterized in that: the conductor is twisted from a plurality of tinned copper wires, and the conductor is extruded with a low-smoke and halogen-free modification. Non-toxic fluororubber constitutes the insulating layer, and several conductors wrapped in the insulating layer are twisted together as the cable core. The fluororubber sheath layer, several strands of filler are arranged between the wrapping layer and the plurality of conductors wrapping the insulating layer. 2. The heat-resistant, humidity-resistant, mildew-proof and environment-friendly cable according to claim 1, characterized in that: the filler and the wrapping layer respectively use water-blocking yarn and water-blocking tape as moisture-proof materials to form a temperature-resistant layer. 3. The high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable according to claim 1, characterized in that: the conductor is a bundle/strand structure of tinned copper wire, and the twisted pitch ratio of the conductor is 14-20 , The monofilament diameter of tinned copper wire is 0.2-0.5mm; the elongation of monofilament at break is not less than 15%. 4. The high-temperature-resistant, humidity-resistant, mildew-proof and environment-friendly cable according to claim 1, characterized in that: the cable cores are 2-48 cores.

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