CN205140572U - Waterproofly prevent ant flame retarded cable - Google Patents

Abstract

The utility model discloses a waterproofly prevent ant flame retarded cable, include: the copper conductor, the parcel the internal shield layer of copper conductor, the parcel the insulating layer on internal shield layer, the parcel the external shielding layer of insulating layer, the parcel dredging around the copper wire layer of external shielding layer, backward tie up dredge the copper strips outside the copper wire layer, the parcel the nonwoven strap of copper strips, the parcel the waterproof layer of nonwoven strap, the parcel the fire -retardant inner sheath of low smoke and zero halogen of waterproof layer, the parcel the aluminum alloy area armor of the fire -retardant inner sheath of low smoke and zero halogen, the parcel the steamed area of nothing of aluminum alloy area armor, the parcel the low smoke and zero halogen flame retardant polyolefin oversheath that does not have steamed area. The utility model discloses have waterproof, prevent ant and fire behaviour.

Description

The anti-ant flame retardant cable of a kind of waterproof

Technical field

The utility model relates to cable.

Background technology

Subway, as an important component part of urban public tranlport system, progressively realizes in big city with ground routine public transport as main body is to the transition of urban transporting system taking subway as backbone.Along with the high speed development of city underground, the demand of subway cable is also in continuous increase.Due to the particularity of Metro Cable use occasion, require more and more higher to the cable feature of environmental protection, anti-flammability and water preventing ability, termite-proof etc.How to take into account fire resistance and mechanical performance, reach a balance between, just become the large problem of pendulum in face of cable design, the producer.

Summary of the invention

The purpose of this utility model is to provide a kind of cable with waterproof, anti-ant and fire resistance.

The technical scheme realizing above-mentioned purpose is:

The anti-ant flame retardant cable of a kind of waterproof, comprising:

Copper conductor;

Wrap up the internal shield of described copper conductor;

Wrap up the insulating barrier of described internal shield;

Wrap up the outer shielding layer of described insulating barrier;

Wrap up the thin around copper wire layer of described outer shielding layer;

Oppositely be banded in described thin copper strips outside copper wire layer;

Wrap up the nonwoven fabric belts of described copper strips;

Wrap up the watertight composition of described nonwoven fabric belts;

Wrap up the low-smoke non-halogen flame-retardant inner sheath of described watertight composition;

Wrap up the aluminum alloy strip armour of described low-smoke non-halogen flame-retardant inner sheath;

Wrap up the Halogen band of described aluminum alloy strip armour; And

Wrap up the low smoke halogen-free flame-retardant polyolefin oversheath of described Halogen band.

In the anti-ant flame retardant cable of above-mentioned waterproof, described watertight composition is aluminum plastic belt.

In the anti-ant flame retardant cable of above-mentioned waterproof, the oxygen index of described low-smoke non-halogen flame-retardant inner sheath is not less than 38.

The beneficial effects of the utility model are: the utility model by adding, aluminum plastic belt extrudes the waterproof construction of Halogen inner covering, have also taken into account water resistance and the mechanical performance of cable while ensureing cable-flame retardant performance.Meanwhile, low smoke halogen-free flame-retardant polyolefin oversheath is increased with termite-resistant rodent-resistant.Thus ensure that cable is laying and the fail safe in use procedure, extends the useful life of cable, also ensure that the normal operation of subway line.

Accompanying drawing explanation

Fig. 1 is the structure chart of the anti-ant flame retardant cable of waterproof of the present utility model.

Embodiment

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

Refer to Fig. 1, the anti-ant flame retardant cable of waterproof of the present utility model, comprises copper conductor 1, internal shield 2, insulating barrier 3, outer shielding layer 4, dredges around copper wire layer 5, copper strips 6, nonwoven fabric belts 7, watertight composition 8, low-smoke non-halogen flame-retardant inner sheath 9, aluminum alloy strip armour 10, Halogen band 11 and low smoke halogen-free flame-retardant polyolefin oversheath 12.

Copper conductor 1 is positioned at cable center.Internal shield 2 wraps up copper conductor 1.Insulating barrier 3 wraps up internal shield 2.Outer shielding layer 4 wrap insulate layer 3.Dredge and wrap up outer shielding layer 4 around copper wire layer 5.Copper strips 6 is oppositely banded in be dredged outside copper wire layer 5.Nonwoven fabric belts 7 wraps up copper strips 6.Watertight composition 8 wraps up nonwoven fabric belts 7, and in the present embodiment, watertight composition 8 is aluminum plastic belt.

Low-smoke non-halogen flame-retardant inner sheath 9 wraps up watertight composition 8, and oxygen index is not less than 38.

Aluminum alloy strip armour 10 wraps up low-smoke non-halogen flame-retardant inner sheath 9.

Halogen band 11 wraps up aluminum alloy strip armour 10.Low smoke halogen-free flame-retardant polyolefin oversheath 12 wraps up Halogen band 11, and for rat-and-ant proof, oxygen index is not less than 36.

Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, when not departing from spirit and scope of the present utility model, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.

Claims (3)

1. the anti-ant flame retardant cable of waterproof, is characterized in that, comprising:

Copper conductor;

Wrap up the internal shield of described copper conductor;

Wrap up the insulating barrier of described internal shield;

Wrap up the outer shielding layer of described insulating barrier;

Wrap up the thin around copper wire layer of described outer shielding layer;

Oppositely be banded in described thin copper strips outside copper wire layer;

Wrap up the nonwoven fabric belts of described copper strips;

Wrap up the watertight composition of described nonwoven fabric belts;

Wrap up the low-smoke non-halogen flame-retardant inner sheath of described watertight composition;

Wrap up the aluminum alloy strip armour of described low-smoke non-halogen flame-retardant inner sheath;

Wrap up the Halogen band of described aluminum alloy strip armour; And

Wrap up the low smoke halogen-free flame-retardant polyolefin oversheath of described Halogen band.

2. the anti-ant flame retardant cable of waterproof according to claim 1, is characterized in that, described watertight composition is aluminum plastic belt.

3. the anti-ant flame retardant cable of waterproof according to claim 1, is characterized in that, the oxygen index of described low-smoke non-halogen flame-retardant inner sheath is not less than 38.