CN207676699U - A kind of multilayer proofing low smoke halogen-free fire retardant fire resistant control electric wire with high performance - Google Patents

Abstract

The utility model discloses a kind of multilayer proofing low smoke halogen-free fire retardant fire resistants with high performance to control electric wire, including outer jacket, core, it is fixedly installed steel wire floor on the inside of the outer jacket, the first protective layer is fixedly installed on the inside of the steel wire floor, it is fixedly installed the second protective layer on the inside of first protective layer, it is fixedly installed third protective layer on the inside of second protective layer, it is fixedly installed metal screen layer on the inside of the third protective layer, it is fixedly installed liner layer on the inside of the metal screen layer, it is fixedly installed glassine paper on the inside of the liner layer, the glassine paper obtains inside and is fixedly installed plastic rubber bracket, the plastic rubber bracket obtains side surface fixation close to glassine paper and offers mounting groove, the core is fixed at the inside of mounting groove, it is fixedly installed flame retardant coating on the outside of the core.The utility model has excellent fire resistant flame retardant characteristic, and remains under ignition temperature to keep good dielectric strength.

Description

A kind of multilayer proofing low smoke halogen-free fire retardant fire resistant control electric wire with high performance

Technical field

The utility model is related to control electric wire field, specially a kind of multilayer proofing low-smoke non-halogen flame-retardant with high performance Fire resisting controls electric wire.

Background technology

Low smoke no-halogen wire refers to the insulating layer material halogen species of electric wire, in the case of burning, does not discharge halogen gas Body, smokescope is low, and halogen-free low-smoke flame-retardant electric wire and cable is mainly characterized by being halogen-free in all materials, and in burning The amount of smoke of release is seldom.The use occasion for controlling cable is different, to controlling the use characteristic of cable and requiring also different.Especially The occasion stringent to cable requirement such as large-scale construction engineering, underground railway, power plant, nuclear power station, not requiring nothing more than cable has The performances such as good fire-retardant, fire resisting, low smoke and zero halogen also require cable to have the multilayer proofings such as waterproof, termite-proof, resistance to mechanical external force Requirement.The control cable of background technology has the following technical problems：It is simple in structure, waterproof, protection against rodents, outside termite-proof, resistance to mechanical Force difference cannot meet the requirement of multilayer proofing, cable after by destructions such as water, insect pest, mechanical external forces, service life compared with It is short.

Utility model content

The purpose of this utility model is to provide a kind of multilayer proofing low smoke halogen-free fire retardant fire resistants with high performance to control Electric wire, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions：A kind of multilayer proofing with high performance is low Cigarette halogen-free flameproof fire resisting controls electric wire, including outer jacket, core, and steel wire floor is fixedly installed on the inside of the outer jacket, described It is fixedly installed the first protective layer on the inside of steel wire floor, the second protective layer, institute are fixedly installed on the inside of first protective layer It states and is fixedly installed third protective layer on the inside of the second protective layer, metallic shield is fixedly installed on the inside of the third protective layer Layer, it is fixedly installed liner layer on the inside of the metal screen layer, glassine paper is fixedly installed on the inside of the liner layer, it is described Glassine paper obtains inside and is fixedly installed plastic rubber bracket, and the plastic rubber bracket obtains side surface fixation close to glassine paper and offers installation Slot, the core are fixed at the inside of mounting groove, and flame retardant coating is fixedly installed on the outside of the core, the flame retardant coating Outside is fixedly installed insulating layer.

Preferably, the outer jacket, third protective layer, plastic rubber bracket, filler are respectively low smoke and zero halogen material.

Preferably, the outer surface of the core is fixedly installed electroplated layer, the electroplated layer be tin coating, zinc coat, One kind in silver coating.

Preferably, filler is fixedly installed on the inside of the plastic rubber bracket, the filler is low smoke and zero halogen material.

Preferably, it is fixedly connected respectively by gluing between first protective layer, the second protective layer, third protective layer.

Compared with prior art, the utility model has the beneficial effects that：

1, the utility model is fixed core by plastic rubber bracket, while passing through modeling by the way that plastic rubber bracket, filler is arranged Glue holder separates each core, and when electric wire is squeezed, plastic rubber bracket and filler shed external force, avoid core by Extruding is damaged.

2, the utility model is by being arranged the first protective layer, the second protective layer, third protective layer, flame retardant coating, flame retardant coating, glass Glass paper, metal screen layer, liner layer make the intensity of the fire resisting heatproof of electric wire increase, while having good mechanical performance and electrical Insulation performance, good bending property, be convenient for cable installation, the first protective layer, the second protective layer have good weatherability and Resisting environmental stress and cracking, good mechanical property, while having good water resistance, the hardness for improving electric wire have and do not influence mechanicalness Can, can effective protection against rodents, prevent white, third protective layer, outer jacket are low smoke and zero halogen outer jacket, not only fire-retardant, but also when burning Smoke amount is small, is halogen-free, and is further ensured that the safe to use of cable, and steel wire floor pull resistance is good, has good mechanical protection Performance has achieved the purpose that there is multilayer proofing, while having had good waterproof and mechanical performance, substantially increases making for electric wire Use the service life.

Description of the drawings

Fig. 1 is that a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant control electric wire with high performance of the utility model is integrally tied Structure schematic diagram；

Fig. 2 is that a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant with high performance of the utility model controls wire cross-sectional Figure.

In figure：1- outer jackets；2- steel wire floors；The first protective layers of 3-；The second protective layers of 4-；5- third protective layers；6- metals Shielded layer；7- liner layers；8- glassy layers；9- plastic rubber brackets；91- fillers；10- cores；101- electroplated layers；11- flame retardant coatings； 12- insulating layers.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of low cigarette of multilayer proofing with high performance without Halogen flame-retardant controls electric wire, including outer jacket 1, core 10, and the inside of the outer jacket 1 is fixedly installed steel wire floor 2, described The inside of steel wire floor 2 is fixedly installed the first protective layer 3, and the inside of first protective layer 3 is fixedly installed the second protective layer 4, the inside of second protective layer 4 is fixedly installed third protective layer 5, and the inside of the third protective layer 5 is fixedly installed The inside of metal screen layer 6, the metal screen layer 6 is fixedly installed liner layer 7, the inside fixed setting of the liner layer 7 There are glassine paper 8, the glassine paper 8 to obtain inside and be fixedly installed plastic rubber bracket 9, the plastic rubber bracket 9 obtains side close to glassine paper 8 Surface, which is fixed, offers mounting groove 81, and the core 10 is fixed at the inside of mounting groove 81, and the outside of the core 10 is solid Surely it is provided with flame retardant coating 11, the outside of the flame retardant coating 11 is fixedly installed insulating layer 12.

The outer jacket 1, third protective layer 5, plastic rubber bracket 9 are respectively low smoke and zero halogen material, not only fire-retardant, but also are burnt Shi Fayan amounts are small, are halogen-free, and are further ensured that the safe to use of cable；The outer surface of the core 10 is fixedly installed electricity Coating 101, the electroplated layer 101 are one kind in tin coating, zinc coat, silver coating, and electroplated layer 101, which can improve core 10, to be made With the etch resistant properties in environment, the working performance of core 10 is improved, such as hardness, wear-resisting, electric conductivity, electromagnetically, heat resistance；It is described The inside of plastic rubber bracket 9 is fixedly installed filler 91, and the filler 91 is low smoke and zero halogen material, when electric wire is squeezed When, plastic rubber bracket 9 and filler 91 shed external force, avoid core 10 and are squeezed and are damaged；First protective layer 3, It is fixedly connected, is easy to use by gluing respectively between second protective layer 4, third protective layer 5.

Operation principle：In use, core 10 is fixed by plastic rubber bracket 9, while by plastic rubber bracket 9 by each core 10 separate, and when electric wire is squeezed, plastic rubber bracket 9 and filler 91 shed external force, avoid core and are squeezed and are damaged Bad, flame retardant coating 11, glassine paper 8, metal screen layer 6, liner layer 7 make the intensity of the fire resisting heatproof of electric wire increase, while having good Good mechanical performance and electrical insulation properties, good bending property are convenient for cable installation, the protection of third protective layer 5, second 4 Layer has good weatherability and resisting environmental stress and cracking, good mechanical property, while having good water resistance, improves electric wire Hardness have and do not influence mechanical performance, can effective protection against rodents, prevent white, third protective layer 3, outer jacket 1 are to be protected outside low smoke and zero halogen Layer, it is not only fire-retardant, and also smoke amount is small when burning, is halogen-free, is further ensured that the safe to use of cable, 2 tension of steel wire floor Property it is good, there is good mechanical protection performance, achieved the purpose that there is multilayer proofing, while there is good waterproof and machinery Performance substantially increases the service life of electric wire.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant with high performance controls electric wire, including outer jacket (1), core (10), it is characterised in that：Steel wire floor (2) is fixedly installed on the inside of the outer jacket (1), the inside of the steel wire floor (2) is solid Surely it is provided with the first protective layer (3), is fixedly installed the second protective layer (4) on the inside of first protective layer (3), described second It is fixedly installed third protective layer (5) on the inside of protective layer (4), metal is fixedly installed on the inside of the third protective layer (5) Shielded layer (6) is fixedly installed liner layer (7) on the inside of the metal screen layer (6), and the inside of the liner layer (7) is fixed It is provided with glassine paper (8), the glassine paper (8) obtains inside and is fixedly installed plastic rubber bracket (9), and the plastic rubber bracket (9) is close Glassine paper (8) obtains side surface fixation and offers mounting groove (81), and the core (10) is fixed at the interior of mounting groove (81) Side is fixedly installed flame retardant coating (11) on the outside of the core (10), insulation is fixedly installed on the outside of the flame retardant coating (11) Layer (12).

2. a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant with high performance according to claim 1 controls electric wire, It is characterized in that：The outer jacket (1), third protective layer (5), plastic rubber bracket (9) are respectively low smoke and zero halogen material.

3. a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant with high performance according to claim 1 controls electric wire, It is characterized in that：The outer surface of the core (10) is fixedly installed electroplated layer (101), the electroplated layer (101) be tin coating, One kind in zinc coat, silver coating.

4. a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant with high performance according to claim 1 controls electric wire, It is characterized in that：Filler (91) is fixedly installed on the inside of the plastic rubber bracket (9), the filler (91) is low smoke and zero halogen material Material.

5. a kind of multilayer proofing low smoke halogen-free fire retardant fire resistant with high performance according to claim 1 controls electric wire, It is characterized in that：It is fixed and is connected by gluing respectively between first protective layer (3), the second protective layer (4), third protective layer (5) It connects.