CN205920798U - Electronic wire - Google Patents

Abstract

The utility model discloses an electronic wire, the cable comprises a conducto, the tensile layer that the conductor surface set gradually insulating layer, fire -retardant layer, insulating layer from inside to outside and comprised the polyolefin dope layer, the conductor is formed through the transposition of double helix mode by two copper wires, the core of conductor is equipped with the rope body, avoids conductor breaking occur when powerful tractive to reach extension electronic wire life's effect.

Description

Electric wire

Technical field

This utility model is related to cable material field, more specifically, it relates to a kind of electric wire.

Background technology

With economy growth continuously and healthily, it is that electric wire product provides the huge market space, electric wire is electrical equipment A kind of abbreviation of device interior line, is usually predominantly based on light current, the cable with forceful electric power category is different concepts.Existing electricity Sub-line is typically made up of wire core and insulating bag covering layer, and wherein, wire stylet is constituted using single bundle or multi beam copper cash, insulation Layer is made using different plastics according to requirements.

At present, the Chinese patent of Publication No. cn202694926u discloses a kind of electric wire, leads including conductor and cladding The external insulation layer of body, described external insulation layer is provided with heat discoloration layer, this electric wire when temperature is increased to certain value, electronics Line meeting variable color, and then it is easy to staff's observation.

But, when this electric wire degree of crook in electric equipment is very big, insulating barrier is drawn by both sides at conductor bends Power acts on, and makes insulating barrier elongated because of stretching, when the tension stress of insulating barrier exceedes its tensile strength, insulating barrier will occur Crackle, shortens the service life of electric wire.

Utility model content

The purpose of this utility model is to provide a kind of electric wire to extend its service life for tensile strength height.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of electric wire, including Conductor, described conductor outside surfaces are disposed with thermal insulation layer, flame-retardant layer, insulating barrier from inside to outside and are made up of polyolefin coatings layer Tensile layer, described conductor passes through by two copper wires that double helix pattern is stranded forms, and the core of described conductor is provided with rope body.

By adopting technique scheme, the conductor of the stranded mode of Double helix strengthens its pliability, makes conductor more Tension, increases rope body in the core of conductor, can strengthen the pull resistance of electric wire further；Protection is coated with conductor outside surfaces Layer, protective layer can effectively prevent from contacting the short-circuit conditions appearance causing between conductor, and conductor outside surfaces are sequentially coated with Thermal insulation layer, flame-retardant layer, insulating barrier and tensile layer, because conductor has resistance, so conductor will produce heat when using, lead to Conductor temperature when using raises, and, for a long time in the environment of high temperature, flame-retardant layer is easily brittle for flame-retardant layer, when bending in conductor When, flame-retardant layer will crack, and leads to the damage of flame-retardant layer, and thermal insulation layer is located between flame-retardant layer and conductor, and thermal insulation layer can The heat that conductor is produced intercepts, thus preventing the heat transfer that conductor produces to flame-retardant layer, thus avoiding the embrittlement of flame-retardant layer； When conductor is short-circuited because of improper use, conductor will produce electric spark, after thermal insulation layer is punctured by electric spark, electric spark Easily insulating barrier and tensile layer are lighted, between insulating barrier and thermal insulation layer, be coated with flame-retardant layer, can effectively prevent electric spark Enter insulating barrier, thus avoiding the phenomenon appearance that insulating barrier and tensile layer are burned；When conductor in use, in conductor will Have electric current to pass through, insulating barrier can make conductor insulate with external environment, thus avoiding the phenomenon that electric leakage in conductor to occur；? Insulating barrier is coated with tensile layer, and because tensile layer is that uniformly coating forms by polyolefin coatings, polyolefin coatings raw material is easy to get, Low cost, it is excellent to have an against weather, and film elasticity is big, and elongation percentage is high, tensile strength and good endurance, adapts to basic unit's deformation Needs, the good advantage of strong adaptability effect, greatly enhance toughness and the mechanical strength of electric wire, can effective protection lead Body not easy fracture in strong pull, is suitable for, in high intensity environment or distance wiring, accordingly extending making of electric wire simultaneously With the life-span it is ensured that the excellent results of signal transmission.

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

By adopting technique scheme, thermal insulation layer specifically adopts polystyrene-magnetic absorbent composite wave-absorbing coating layer, Because polystyrene-magnetic absorbent composite wave-absorbing coating can increase the adsorptivity with metal, so that polystyrene-magnetic Absorbent composite wave-absorbing coating can be coated uniformly on conductive surface, improves the thermal insulation of conductor, it is to avoid the embrittlement of insulating barrier and Split, thus extending the service life of electric wire.

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

By adopting technique scheme, flame-retardant layer specifically adopts the core-shell type aqueous acrylic resin of anti-flammability to apply The bed of material, because anti-flammability core-shell type aqueous acrylic resin coating is by being used for being separately employed in core second boron alkene and second boron alkynes Layer and shell carry out radical polymerization, are aggregated to the main chain of acrylic resin, and fire-retardant under quaternary alkylphosphonium salt, borine synergistic, Reach effective flame retardant effect, simultaneously polystyrene-magnetic absorbent composite wave-absorbing coating and the core-shell type aqueous propylene of anti-flammability The absorption affinity of esters of gallic acid cold coating is stronger, can effectively prevent flame-retardant layer from coming off from thermal insulation layer, thus extending electric wire Service life.

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

By adopting technique scheme, insulating barrier specifically adopts no-solvent polyurethane fire retardant insulating coating layer, modified No-solvent polyurethane fire retardant insulating coating has good insulating properties, also has excellent fire resistance, and modified solvent free Polyurethane flame-proof coatings are green technology product, and non-volatility organic emission meets environmental requirement, simultaneously anti-flammability core Shell-type aqueous acrylic resin coating and no-solvent polyurethane fire retardant insulating coating absorption affinity are stronger, can effectively prevent absolutely Edge layer comes off from flame-retardant layer, thus extending the service life of electric wire.

Preferably, described tensile layer is coated with wearing layer.

By adopting technique scheme, during the use of electric wire, can mutually wear and tear between adjacent electronics line, Tensile layer is coated with wearing layer, and wearing layer can play protection to tensile layer, is prevented effectively from tensile layer abrasion or peels off, thus Extend the service life of electric wire.

Preferably, described wearing layer is Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer.

By adopting technique scheme, wearing layer specifically adopts Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer, by Adopt low volatility innoxious solvent as diluent in Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint, reduce coating and using Pollution to environment in journey, and couplant, cross-linking agent and packing material be effectively improved the corrosion resistance of coating, wear-resisting Property, ageing resistace, shock resistance and the adhesive ability to applicator, improve coating quality and the coating effect of coating Really, can effectively prevent wearing layer from coming off from tensile layer, thus extending the service life of electric wire.

Preferably, described wearing layer is coated with Withstand voltage layer.

By adopting technique scheme, Withstand voltage layer is coated with wearing layer, Withstand voltage layer can effectively prevent electronics Line is pressed down, thus extending the service life of electric wire.

Preferably, described Withstand voltage layer is Teflon dope layer.

By adopting technique scheme, Withstand voltage layer specifically adopts Teflon dope layer, and Teflon is polytetrafluoroethyl-ne again Alkene, has excellent heat-resisting and low temperature tolerance characteristicses, all without deforming upon under high temperature severe cold, has good compressive property, Buffering, the effect of dispersive pressure well.

In sum, this utility model has the advantages that

1st, being capable of effective protection conductor not easy fracture in strong pull；

2nd, effective protection can there is layer abrasion or peel off；

3rd, there are excellent heat-resisting and low temperature tolerance characteristicses, all without deforming upon under high temperature severe cold, there is good resisting Pressure performance.

Brief description

Fig. 1 is the structural representation of electric wire in the present embodiment.

In figure: 1, conductor；2nd, thermal insulation layer；3rd, flame-retardant layer；4th, insulating barrier；5th, tensile layer；6th, rope body；7th, wearing layer；8th, resistance to Laminate layer.

Specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

A kind of electric wire, with reference to Fig. 1, including conductor 1, conductor 1 is two copper wires, is stranded in one by double helix pattern Rising, can effectively improve the pliability of electric wire, thus protecting electric wire not easy fracture in strong pull, can have simultaneously The stability improving electric wire energising of effect；The core of conductor 1 is provided with rope body 6, can further improve the tension of electric wire Intensity.

With reference to Fig. 1, it is coated with thermal insulation layer 2 in the outer surface of conductor 1, thermal insulation layer 2 is that polystyrene-magnetic absorbent is combined Antiradar coatings layer, polystyrene-magnetic absorbent composite wave-absorbing coating layer is by polystyrene-magnetic absorbent composite wave-absorbing coating Uniformly coating forms, because polystyrene-magnetic absorbent composite wave-absorbing coating can increase the adsorptivity with metal, so that Polystyrene-magnetic absorbent composite wave-absorbing coating can be coated uniformly on conductor 1 surface, and conductor 1 can be used by thermal insulation layer 2 When the heat that produces intercept.Polystyrene-magnetic absorbent composite wave-absorbing coating is referred to application number 201110046050.x Patent of invention, belong to prior art, will not be described here.

With reference to Fig. 1, it is coated with flame-retardant layer 3 in the outer surface of thermal insulation layer 2, flame-retardant layer 3 is the core-shell type aqueous propylene of anti-flammability Esters of gallic acid resin coating layer, anti-flammability core-shell type aqueous acrylic resin dope layer is by the core-shell type aqueous acrylic acid of anti-flammability Uniformly coating forms esters resin coating, passed through second boron alkene due to anti-flammability core-shell type aqueous acrylic resin coating and Second boron alkynes is used for being separately employed in stratum nucleare and shell carries out radical polymerization, is aggregated to the main chain of acrylic resin, and in season Fire-retardant under microcosmic salt, borine synergistic, reach effective flame retardant effect, simultaneously polystyrene-magnetic absorbent composite wave-absorbing coating with The absorption affinity of anti-flammability core-shell type aqueous acrylic resin coating is stronger, can effectively prevent flame-retardant layer 3 from thermal insulation layer 2 Come off.The invention that anti-flammability core-shell type aqueous acrylic resin coating is referred to application number 201410324852.6 is special Profit, belongs to prior art, will not be described here.

With reference to Fig. 1, it is coated with insulating barrier 4 in the outer surface of flame-retardant layer 3, insulating barrier 4 is no-solvent polyurethane fire retardant insulating Dope layer, by no-solvent polyurethane fire retardant insulating coating, uniformly coating forms no-solvent polyurethane fire retardant insulating coating layer, due to Modified solventless polyurethane fire retardant insulating coating has good insulating properties, also has excellent fire resistance, and modified nothing Solvent polyurethane fire retardant insulating coating is green technology product, and non-volatility organic emission meets environmental requirement, simultaneously fire-retardant The core-shell type aqueous acrylic resin coating of property and no-solvent polyurethane fire retardant insulating coating absorption affinity are stronger, can be effectively anti- Only insulating barrier 4 comes off from flame-retardant layer 3.No-solvent polyurethane fire retardant insulating coating is referred to application number 201410342733.3 Patent of invention, belong to prior art, will not be described here.

With reference to Fig. 1, it is coated with tensile layer 5 in the outer surface of insulating barrier 4, tensile layer 5 is polyolefin coatings layer, polyolefin applies By polyolefin coatings, uniformly coating forms the bed of material, because polyolefin coatings raw material is easy to get, low cost, and it is excellent to have an against weather, Film elasticity is big, elongation percentage height, tensile strength and good endurance, adapts to the needs of basic unit's deformation, strong adaptability effect is good Advantage, greatly enhances toughness and the mechanical strength of electric wire, can effective protection conductor 1 not easily broken in strong pull Split.Polyolefin coatings are referred to the patent of invention of application number 201310449983.2, belong to prior art, and here is no longer superfluous State.

With reference to Fig. 1, it is coated with wearing layer 7 in the outer surface of tensile layer 5, wearing layer 7 is that environment-friendly epoxy base anticorrosion is resistance to Mill dope layer, Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer is by the uniform coating of Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint Become, because Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint adopts low volatility innoxious solvent as diluent, reduce coating and exist Pollution to environment during use, and couplant, cross-linking agent and packing material be effectively improved the corrosion resistance of coating Energy, wearability, ageing resistace, shock resistance and the adhesive ability to applicator, improve coating coating quality and Coating effect, can effectively prevent wearing layer 7 from coming off from tensile layer 5.Guarantor's type epoxy radicals anticorrosion abrasive resistant paint is referred to The patent of invention of application number 201210173090.5, belongs to prior art, will not be described here.

With reference to Fig. 1, it is coated with Withstand voltage layer 8 in the outer surface of wearing layer 7, Withstand voltage layer 8 is Teflon dope layer, Teflon applies By Teflon coating, uniformly coating forms the bed of material, and fluorine dragon is politef again, has excellent heat-resisting and low temperature tolerance characteristicses, All without deforming upon under high temperature severe cold, there is good compressive property, well buffering, the effect of dispersive pressure.

Claims (8)

1. a kind of electric wire, including conductor (1), is characterized in that: described conductor (1) outer surface is disposed with heat-insulated from inside to outside Layer (2), flame-retardant layer (3), insulating barrier (4) and the tensile layer (5) being made up of polyolefin coatings layer, described conductor (1) is by two copper Silk forms by double helix pattern is stranded, and the core of described conductor (1) is provided with rope body (6).

2. electric wire according to claim 1, is characterized in that: described thermal insulation layer (2) is that polystyrene-magnetic absorbent is multiple Close antiradar coatings layer.

3. electric wire according to claim 2, is characterized in that: described flame-retardant layer (3) is the core-shell type aqueous propylene of anti-flammability Esters of gallic acid resin coating layer.

4. electric wire according to claim 3, is characterized in that: described insulating barrier (4) is no-solvent polyurethane fire retardant insulating Dope layer.

5. electric wire according to claim 4, is characterized in that: is coated with wearing layer (7) on described tensile layer (5).

6. electric wire according to claim 5, is characterized in that: described wearing layer (7) is that environment-friendly epoxy base anticorrosion is resistance to Mill dope layer.

7. electric wire according to claim 6, is characterized in that: is coated with Withstand voltage layer (8) on described wearing layer (7).

8. electric wire according to claim 7, is characterized in that: described Withstand voltage layer (8) is Teflon dope layer.