CN216623797U - Cable and wire with good weather resistance - Google Patents

Abstract

The utility model discloses a cable wire with good weather resistance, which comprises a wire core and a sheath, and is characterized in that an insulating layer is sleeved outside the wire core, a silicon rubber glass fiber layer is wrapped outside the insulating layer, the wire core, the insulating layer and the silicon rubber glass fiber layer jointly form a conductive wire, a fireproof layer is arranged on the inner side of the sheath in a clearance fit mode, an elastic fiber layer is arranged in a clearance between the sheath and the fireproof layer, a filling layer is filled between the fireproof layer and a plurality of conductive wires, an epoxy resin layer coating is further coated on the inner side of the fireproof layer, and a wear-resistant layer is arranged on the outer side of the sheath. The multilayer structure of the utility model ensures that the cable has good insulativity, fire resistance, weather resistance and wear resistance, and ensures that the cable cannot be damaged due to friction or wind and rain in the laying process and long-term outdoor use.

Description

Cable and wire with good weather resistance

Technical Field

The utility model relates to the technical field of cables, in particular to a cable wire with good weather resistance.

Background

The electric wire cable is a wire product for transmitting electric energy, electric signals and realizing electromagnetic energy conversion, the cable usually consists of a cable core for transmitting electric energy or electric signals and a sheath for protecting and insulating, and the cable which only comprises one cable core and has a thinner diameter is usually called as an electric wire. There are also some electric wires without an insulating sheath, called bare wires, in which the core is made of a metal material with good electrical conductivity, usually copper (good electrical conductivity) or aluminum (low cost).

The operation of some large-scale apparatus often needs the cable to carry out power transmission, and along with the motion of apparatus, the cable can remove thereupon, and the cable can produce the friction with ground like this, leads to the protective layer very easily to be destroyed, influences the life of cable, and then need change the cable, has not only increased maintenance personal's work load, has still increased the production of producer.

Disclosure of Invention

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a cable wire that weatherability is good, includes sinle silk and sheath, its characterized in that, the sinle silk all overlaps outward and is equipped with the insulating layer, the cladding has silicon rubber glass fiber layer in the insulating layer outside, and sinle silk, insulating layer and silicon rubber glass fiber layer constitute the conductor wire jointly, the sheath passes through clearance fit the flame retardant coating that its inboard was provided with, and the clearance between sheath and the flame retardant coating then is provided with the elastic fiber layer, it has the filling layer to fill between flame retardant coating and a plurality of conductor wire, the coating that the epoxy layer was still scribbled to the flame retardant coating inboard, the sheath outside is provided with the wearing layer.

Preferably, the insulating layer is specifically a cross-linked polyethylene material.

Preferably, the filling layer is made of pearl wool.

Preferably, the fire-proof layer is made of ceramic fibers.

Preferably, the wear-resistant layer is made of butyl rubber.

Preferably, the sheath is a ceramic silicone rubber layer.

The beneficial effects of the utility model are as follows: the multilayer structure of the utility model ensures that the cable has good insulativity, fire resistance, weather resistance and wear resistance, and ensures that the cable cannot be damaged due to friction or wind and rain in the laying process and long-term outdoor use.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments.

Referring to fig. 1, the cable wire with good weather resistance in the following technical scheme is adopted in the specific embodiment, and the cable wire comprises a wire core and a sheath, and is characterized in that an insulating layer is sleeved outside the wire core, the insulating layer is coated with a silicon rubber glass fiber layer, the wire core, the insulating layer and the silicon rubber glass fiber layer jointly form a conductive wire, the sheath is in clearance fit with a fire prevention layer arranged on the inner side of the sheath, an elastic fiber layer is arranged in a gap between the sheath and the fire prevention layer, a filling layer is filled between the fire prevention layer and the conductive wires, a coating of an epoxy resin layer is further coated on the inner side of the fire prevention layer, and a wear-resistant layer is arranged on the outer side of the sheath.

Preferably, the insulating layer is specifically a cross-linked polyethylene material.

Preferably, the filling layer is made of pearl wool.

Preferably, the fire-proof layer is made of ceramic fibers.

Preferably, the wear-resistant layer is made of butyl rubber.

Preferably, the sheath is a ceramic silicone rubber layer.

The present embodiment takes the above scheme as an example.

A cable wire with good weather resistance comprises a wire core 1 and a sheath 8, wherein an insulating layer 2 is sleeved outside the wire core 1, the insulating layer 2 is specifically a cross-linked polyethylene material, a silicon rubber glass fiber layer 3 is wrapped outside the insulating layer 2, the wire core 1, the insulating layer 2 and the silicon rubber glass fiber layer 3 jointly form a conductive wire, the sheath 8 is specifically a ceramic fiber layer, the wire core 1 is specifically made of soft copper, the cable wire has good conductivity, the efficiency of the cable in the power transmission process is ensured, the material is soft, the bending of the cable is facilitated, the insulating layer 2 is specifically a cross-linked polyethylene material, the performance of the cross-linked polyethylene material is greatly improved by cross-linked modified PE, the comprehensive performances of the PE, such as mechanical property, environmental stress cracking resistance, chemical corrosion resistance, creep resistance, electrical property and the like, are remarkably improved, and the temperature resistance level is remarkably improved, the heat-resisting temperature of PE can be raised from 70 deg.C to above 100 deg.C, and the crosslinked polyethylene insulation is characterized by that under the action of high-energy ray (for example gamma ray, alpha ray and electronic ray) or crosslinking agent the polyethylene can produce crosslinking between its macromolecules so as to raise its heat-resisting property. The cable adopting the crosslinked polyethylene as the insulation can increase the long-term working temperature to 90 ℃, can bear the instantaneous short-circuit temperature of 170 ℃ and 250 ℃, the wire core 1 can be protected from being influenced when being placed together, the silicon rubber glass fiber layer 3 coated outside the insulating layer 2 has excellent high temperature resistance and low temperature resistance, and can be soft and flexible, and has good chemical corrosion resistance, leads the conductive wires to be independently used, has insulation and good high temperature resistance coefficient, ensures that the plurality of conductive wires are not damaged by the sheath 8, the sheath 8 is a ceramic silicon rubber layer, the ceramic silicon rubber layer has excellent characteristics of fire resistance, flame retardance, low smoke, no toxicity and the like, the extrusion molding process is simple, and the ceramic in the ceramic silicon rubber layer has good wear resistance, so that the cable is ensured not to be influenced by the outside, and meanwhile, the cable has wear resistance. The inner side of the sheath 8 is provided with a fireproof layer 6, the fireproof layer 6 is a ceramic fiber layer, and the magnesium oxide coating is made of a fireproof material. Has the advantages of light weight, high temperature resistance, small heat capacity, good heat preservation and insulation performance, good high temperature insulation performance, no toxicity and the like. Sheath 8 and 6 clearance fit of flame retardant coating, the clearance between sheath 8 and the flame retardant coating 6 is provided with elastic fiber layer 7, and elastic fiber layer 7 has good elasticity performance, guarantees that the cable has good pull resistance for the toughness of cable obtains promoting. The filling layer 4 is filled between the fireproof layer 6 and the plurality of conductive wires, the filling layer 4 is specifically made of pearl cotton, and the pearl cotton has the advantages of water resistance, moisture resistance, shock resistance, sound insulation, heat preservation, good plasticity, strong toughness, cyclic reconstruction, environmental protection, strong impact resistance and the like, and also has good chemical resistance and ensures good wear resistance of the cable. 6 inboards of flame retardant coating are still scribbled and are equipped with 5 coatings on epoxy layer, and epoxy layer 5 has good insulating nature, guarantees not to receive the influence each other between the cable. The outer side of the sheath 8 is provided with a wear-resistant layer 9, the wear-resistant layer 9 is specifically butyl rubber, and the butyl rubber is heat-resistant, ozone-resistant, ageing-resistant, chemical-resistant, shock-absorbing and electrically insulating. Has good resistance to sunlight and ozone, and can be exposed to animal or vegetable oil or oxidizable chemical.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a cable wire that weatherability is good, includes sinle silk (1) and sheath (8), its characterized in that, sinle silk (1) all overlaps and is equipped with insulating layer (2) outward, insulating layer (2) outside cladding has silicon rubber glass fiber layer (3), and sinle silk (1), insulating layer (2) and silicon rubber glass fiber layer (3) constitute the conductor wire jointly, sheath (8) cooperate flame retardant coating (6) that are provided with through the clearance in its inboard, and the clearance between sheath (8) and flame retardant coating (6) then is provided with elastic fiber layer (7), it has filling layer (4) to fill between flame retardant coating (6) and a plurality of conductor wire, the coating that is equipped with epoxy layer (5) is still scribbled to flame retardant coating (6) inboard, sheath (8) outside is provided with wearing layer (9).

2. The cable wire with good weather resistance as claimed in claim 1, wherein the insulating layer (2) is a crosslinked polyethylene material.

3. The cable wire with good weather resistance as claimed in claim 1, wherein the filling layer (4) is made of pearl wool.

4. The cable wire with good weather resistance according to claim 1, wherein the fire-proof layer (6) is made of ceramic fiber.

5. The cable wire with good weather resistance as claimed in claim 1, wherein the abrasion resistant layer (9) is made of butyl rubber.

6. A weather resistant cable wire according to claim 1, wherein said sheath (8) is a ceramic silicone rubber layer.

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