CN207337999U - A kind of cable of novel sign - Google Patents

Abstract

The utility model discloses a kind of cable of novel sign, including core conductor and the insulating layer that is wrapped on core conductor, the axially disposed groove for having strip of the lateral surface of insulating layer, is equipped with identification strip in groove, the slot bottom of groove is equipped with polyester fiber net；Insulating layer is externally provided with wearing layer, and wearing layer is Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer, and identification strip is placed in the trench, can reduce identification strip and situation about coming off occur；Polyester fiber net has the function that toughness reinforcing resistance is split, and stretching force is strong, can reduce the situation that slight crack occurs at groove in insulating layer, at the same time, polyester fiber net has good cohesive force, strengthens the adhesiveness of identification strip and insulating layer, further reduces identification strip and situation about coming off occurs；It can mutually be worn between adjacent cable, wearing layer is coated with insulating layer, wearing layer can play protection to insulating layer and identification strip, insulating layer and identification strip abrasion or situation about peeling off be effectively reduced, so as to extend the service life of cable.

Description

A kind of cable of novel sign

Technical field

Field of cable technology is the utility model is related to, more specifically, it relates to a kind of cable of novel sign.

Background technology

Cable is common conductor in people's daily life.Now with the continuous development of social economy, cable dosage is fast Speed increases；Cable is often made of multiply conductive electric wire, in order to distinguish different conductor wires, it is necessary to which electric wire is identified.Mesh Preceding common method is to use to dye the plastic insulating layer of electric wire outsourcing, the granulation by pigment addition into plastics Journey, wraps up conductive copper wire using the plastics of different colours, realizes to firewire, the area of the function conducting wire such as zero curve and ground wire Point.

At present, the Chinese patent of Publication No. CN203276932U discloses a kind of cable with luminous mark, from inner To the conductor for including transmission electric current successively outside, the insulation extruded outside conductor, filler, metal screen layer, outside band and cable Sheath, is printed with luminous mark on cable jacket, which has the mark of energy continuous illumination.

But luminous mark, by being printed on the oversheath of cable, some pigment and insulating materials poor compatibility, shine Mark is easily ground off.

Utility model content

The purpose of this utility model is to provide a kind of cable of novel sign, there is reduction luminous mark to be ground off excellent Point.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of electricity of novel sign Cable, including core conductor and the insulating layer that is wrapped on core conductor, the lateral surface of the insulating layer is axially disposed strip Groove, the groove is interior to be equipped with identification strip, and the slot bottom of the groove is equipped with polyester fiber net；The insulating layer is externally provided with wear-resisting Layer, the wearing layer is Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer.

By using above-mentioned technical proposal, identification strip is placed in the trench, identification strip can be reduced and the feelings to come off occur Condition；Polyester fiber net has the function that toughness reinforcing resistance is split, and stretching force is strong, can reduce the feelings that slight crack occurs at groove in insulating layer Condition, meanwhile, polyester fiber net has good cohesive force, strengthens the adhesiveness of identification strip and insulating layer, further reduces mark There is situation about coming off in bar；It during the use of cable, can mutually wear, be coated with insulating layer resistance between adjacent cable Layer is ground, wearing layer can play protection to insulating layer and identification strip, effectively reduce insulating layer and identification strip abrasion or the feelings peeled off Condition, so as to extend the service life of cable.

Preferably, the core conductor includes two copper foil wires being twisted by double helix pattern, two copper foil wires it Between be equipped with nylon yarn.

By using above-mentioned technical proposal, the copper foil wire of double helix stranded mode strengthens its pliability, makes core conductor more The tension added, meanwhile, copper foil wire helically, reduces cable copper foil wire in stretching and situation about being broken occurs；Between copper foil wire Nylon yarn is added, can further strengthen the pull resistance of core conductor.

Preferably, be equipped with protective layer between the core conductor and the insulating layer, the protective layer include from it is interior to outside every Thermosphere, flame-retardant layer and tensile layer.

By using above-mentioned technical proposal, since core conductor is there are resistance, so core conductor will produce heat when in use, Causing core conductor, temperature raises when in use, and for flame-retardant layer for a long time in the environment of high temperature, flame-retardant layer is easily brittle, when core conductor goes out When now bending, flame-retardant layer will crack, and cause the damage of flame-retardant layer, thermal insulation layer between flame-retardant layer and core conductor, every The heat that thermosphere can produce core conductor obstructs, so that the heat transfer that core conductor produces is prevented to flame-retardant layer, so as to reduce The brittle situation of flame-retardant layer；When because of improper use short circuit occurs for core conductor, core conductor will produce electric spark, electric spark After thermal insulation layer is punctured, electric spark easily lights insulating layer, and flame-retardant layer, Neng Gouyou are coated between insulating layer and thermal insulation layer Effect prevents electric spark from entering insulating layer, occurs so as to reduce the phenomenon that insulating layer is burned；Tensile layer is coated with flame-retardant layer, It can effectively protect core conductor not easy to break in strong pull, be adapted to connect up in high intensity environment or over long distances, same to phase The service life of cable should be extended, it is ensured that the excellent results of signal transmission.

Preferably, the thermal insulation layer is polystyrene-magnetic absorbent composite wave-absorbing coating layer.

By using above-mentioned technical proposal, thermal insulation layer specifically uses polystyrene-magnetic absorbent composite wave-absorbing coating layer, The thermal insulation of core conductor is improved, so as to extend the service life of cable.

Preferably, the flame-retardant layer is the core-shell type aqueous acrylic resin dope layer of anti-flammability.

By using above-mentioned technical proposal, flame-retardant layer is specifically applied using the core-shell type aqueous acrylic resin of anti-flammability The bed of material, since the core-shell type aqueous acrylic resin coating of anti-flammability is by the way that second boron alkene and second boron alkynes to be used to be separately employed in core Layer and shell carry out radical polymerization, are aggregated to the main chain of acrylic resin, and fire-retardant under quaternary alkylphosphonium salts, borine synergistic, Reach effective flame retardant effect, while polystyrene-magnetic absorbent composite wave-absorbing coating and the core-shell type aqueous propylene of anti-flammability The adsorption capacity of esters of gallic acid cold coating is stronger, effectively can prevent flame-retardant layer from coming off from thermal insulation layer, so as to extend making for cable Use the service life.

Preferably, the tensile layer mutually winds the steel wire being interwoven along its length for more steel wires.

By using above-mentioned technical proposal, steel wire is not easy to break, and is not easily broken, and then preferably protects cable.

Preferably, the insulating layer is no-solvent polyurethane fire retardant insulating coating layer.

By using above-mentioned technical proposal, insulating layer specifically uses no-solvent polyurethane fire retardant insulating coating layer, modified No-solvent polyurethane fire retardant insulating coating has good insulation performance, also with excellent fire resistance, and modified solvent free Polyurethane flame-proof coatings are green technology product, and non-volatility organic emission, meets environmental requirement, while anti-flammability core Shell-type aqueous acrylic resin coating and no-solvent polyurethane fire retardant insulating coating adsorption capacity are stronger, can effectively reduce absolutely Edge layer comes off from tensile layer, so as to extend the service life of cable.

In conclusion the utility model has the advantages that：Identification strip is placed in the trench, mark can be reduced There is situation about coming off in bar；Polyester fiber net has the function that toughness reinforcing resistance is split, and stretching force is strong, can reduce insulating layer at groove There is the situation of slight crack, meanwhile, polyester fiber net has good cohesive force, strengthens the adhesiveness of identification strip and insulating layer, into One step reduces identification strip and situation about coming off occurs；It during the use of cable, can mutually wear, insulate between adjacent cable Layer is coated with wearing layer, and wearing layer can play protection to insulating layer and identification strip, effectively reduces insulating layer and identification strip mill Damage or situation about peeling off, so as to extend the service life of cable.

Brief description of the drawings

Fig. 1 is the structure diagram of the present embodiment.

In figure：1st, core conductor；11st, copper foil wire；12nd, nylon yarn；2nd, insulating layer；3rd, groove；4th, identification strip；5th, polyester fiber Net；71st, thermal insulation layer；72nd, flame-retardant layer；73rd, tensile layer.

Embodiment

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but As long as all protected in the right of the utility model be subject to Patent Law.

A kind of cable of novel sign, as shown in Figure 1, including core conductor 1, core conductor 1 includes two copper foil wires 11, passes through Double helix pattern twists together, and can effectively improve the pliability of core conductor 1, so as to protect core conductor 1 in strong pull When it is not easy to break, while can effectively improve core conductor 1 energization stability；There is nylon yarn between two copper foil wires 11 12, it can further improve the tensile strength of cable.

Thermal insulation layer 71 is enclosed with the outer surface of core conductor 1, thermal insulation layer 71 is polystyrene-magnetic absorbent composite wave-absorbing Dope layer, polystyrene-magnetic absorbent composite wave-absorbing coating layer are uniform by polystyrene-magnetic absorbent composite wave-absorbing coating Coating forms, since polystyrene-magnetic absorbent composite wave-absorbing coating can increase the adsorptivity with metal, so that polyphenyl Ethene-magnetic absorbent composite wave-absorbing coating can be coated uniformly on 1 surface of core conductor, and thermal insulation layer 71 can make core conductor 1 Obstructed with caused heat；Polystyrene-magnetic absorbent composite wave-absorbing coating is referred to application number 201110046050.X patent of invention, belong to the prior art, details are not described herein.

Flame-retardant layer 72 is enclosed with the outer surface of thermal insulation layer 71, flame-retardant layer 72 is the core-shell type aqueous esters of acrylic acid of anti-flammability Resin coating layer, the core-shell type aqueous acrylic resin dope layer of anti-flammability is by the core-shell type aqueous esters of acrylic acid tree of anti-flammability Uniformly coating forms grease coating material, since the core-shell type aqueous acrylic resin coating of anti-flammability is by by second boron alkene and second boron alkynes Radical polymerization is carried out for being separately employed in stratum nucleare and shell, is aggregated to the main chain of acrylic resin, and quaternary alkylphosphonium salts, boron It is fire-retardant under alkane synergistic, reach effective flame retardant effect, while polystyrene-magnetic absorbent composite wave-absorbing coating and anti-flammability core The adsorption capacity of shell-type aqueous acrylic resin coating is stronger, can effectively prevent flame-retardant layer 72 from coming off from thermal insulation layer 71； The core-shell type aqueous acrylic resin coating of anti-flammability is referred to the patent of invention of application number 201410324852.6, belongs to The prior art, details are not described herein.

Tensile layer 73 is installed in the outer surface of flame-retardant layer 72, tensile layer 73 is mutually wound along its length for more steel wires The steel wire being interwoven, steel wire is not easy to break, is not easily broken, and then preferably protects cable；In the outer of tensile layer 73 Insulating layer 2 is coated with, insulating layer 2 is no-solvent polyurethane fire retardant insulating coating layer, and no-solvent polyurethane fire retardant insulating applies By no-solvent polyurethane fire retardant insulating coating, uniformly coating forms the bed of material, since modified solventless polyurethane fire retardant insulating coating has There is a good insulation performance, and modified solventless polyurethane fire retardant insulating coating is green technology product, non-volatility organic matter Discharge, meets environmental requirement；No-solvent polyurethane fire retardant insulating coating is referred to the invention of application number 201410342733.3 Patent, belongs to the prior art, and details are not described herein.

The lateral surface of insulating layer 2 is provided with the groove 3 of strip vertically, and the slot bottom of groove 3 is covered with polyester fiber net 5, polyester Identification strip 4 is installed on web 5, identification strip 4 is placed in groove 3, identification strip 4 can be reduced and situation about coming off occur； Polyester fiber net 5 has the function that toughness reinforcing resistance is split, and stretching force is strong, can reduce insulating layer 2 and occur the feelings of slight crack at groove 3 Condition, meanwhile, polyester fiber net 5 has good cohesive force, and the adhesiveness of enhancing identification strip 4 and insulating layer 2, further reduces mark Know bar 4 and situation about coming off occur.

It is coated with wearing layer in the outer surface of insulating layer 2, wearing layer is Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer, ring Guarantor's type ring epoxide anticorrosion abrasive resistant paint layer is uniformly coated by Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint to be formed, due to environment-friendly type Epoxy group anticorrosion abrasive resistant paint, as diluent, reduces coating in use to ring using low volatility innoxious solvent The pollution in border, and couplant, crosslinking agent and packing material are effectively improved the corrosion resistance of coating, wearability, anti-ageing Change performance, shock resistance and the adhesive ability to applicator, improve the coating quality and coating effect of coating, Neng Gouyou Effect prevents wearing layer from coming off from insulating layer 2；Protect type ring epoxide anticorrosion abrasive resistant paint and be referred to application number 201210173090.5 patent of invention, belong to the prior art, details are not described herein.

Claims (7)

1. a kind of cable of novel sign, including core conductor (1) and the insulating layer (2) that is wrapped on core conductor (1), its feature It is：The axially disposed groove (3) for having strip of the lateral surface of the insulating layer (2), the groove (3) is interior to be equipped with identification strip (4), The slot bottom of the groove (3) is equipped with polyester fiber net (5)；The insulating layer (2) is externally provided with wearing layer, and the wearing layer is environmental protection Type ring epoxide anticorrosion abrasive resistant paint layer.

2. a kind of cable of novel sign according to claim 1, it is characterized in that：The core conductor (1) includes two and leads to The copper foil wire (11) that double helix pattern is twisted is crossed, nylon yarn (12) is equipped between two copper foil wires (11).

3. a kind of cable of novel sign according to claim 1, it is characterized in that：The core conductor (1) and the insulation Protective layer is equipped between layer (2), the protective layer is included Zi in outer thermal insulation layer (71), flame-retardant layer (72) and tensile layer (73)。

4. a kind of cable of novel sign according to claim 3, it is characterized in that：The thermal insulation layer (71) is polyphenyl second Alkene-magnetic absorbent composite wave-absorbing dope layer.

5. a kind of cable of novel sign according to claim 3, it is characterized in that：The flame-retardant layer (72) is anti-flammability core Shell-type aqueous acrylic resin dope layer.

6. a kind of cable of novel sign according to claim 3, it is characterized in that：The tensile layer (73) is more steel wires The steel wire being interwoven mutually is wound along its length.

7. a kind of cable of novel sign according to claim 1, it is characterized in that：The insulating layer (2) is solvent-free poly- Urethane fire retardant insulating coating layer.