CN201868137U - Clean pest-preventing waterproof highly flame-resistant fire-proof cable for public places - Google Patents

Abstract

The utility model discloses a clean pest-preventing waterproof highly flame-resistant fire-proof cable for public places, consisting of a conductor, a fire-proof layer, an insulating layer, a packing layer, a fire-proof layer and a sheath layer from the inside to the outside, wherein a halogen-free low-smoke glass fiber belt layer is arranged between the fire-proof layer and the insulating layer; a waterproof belt and a moistureproof isolating layer are sequentially arranged between the packing layer and the fire-proof layer; and the other halogen-free low-smoke glass fiber belt layer and an oxygen-barrier moistureproof layer are sequentially arranged between the fire-proof layer and the sheath layer. The clean pest-preventing waterproof highly flame-resistant fire-proof cable for public places has the advantages of less smog generated during combustion, no harmful dioxin, hydrogen sulfide and other halogenides, preventing of biting from insects and mice, integrating of functions of radial and axial waterproofness, high flame resistance, fireproofness, and the like, thus being widely applicable to nuclear power plants, subway stations, telephone switchboard and computer control centers, high-rise buildings, hotels, TV and radio stations, hospitals, office buildings, significant military facilities, oil platforms, warships and other places with dense populations or narrow spaces as well as to areas with pests and mice in the temperate zone and the subtropical zone.

Description

Public place lustration type insect protected mouse waterproof high flame retardant fire-resisting cable

Technical field:

The utility model relates to a kind of cable, is specifically related to a kind of public place lustration type insect protected mouse waterproof high flame retardant fire-resisting cable.

Background technology:

At present, the cable of selling on the market has low-smoke halogen-free cable, anti-ant or rodent-resistant cable, water-proof cable, flame retardant cable, fireproof power cable, flame-retardant power cable etc., the main performance of these cables can only adapt to a certain security performance requirement, and can not adapt to has two and above security performance needs; The light rail subway, nuclear industry, airport, the station, offshore platform, the naval vessel, hospital, the public arena that personnel such as office building relatively concentrate and the important area of industrial and mining enterprises require cable to have high clean performance, these zones also are the places that insect or muroid are wreaked havoc simultaneously, require cable that insect protected mouse performance is arranged, the place that personnel concentrate also requires when breaking out of fire cable can guarantee operation a period of time, the personnel of assurance have enough time escapes, more or less there are water or steam to exist in the cable passage in above-mentioned place, require cable that the good humidity resistance that blocks water is arranged, the cable with single security performance that is applied to above-mentioned place thus can not guarantee safe operation.

Summary of the invention:

For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of and produces less smog when possessing high clean performance, burning and do not produce halide such as harmful dioxin, hydrogen sulfide, outstanding insect protected mouse performance, good fire resistance energy and the cable of the good axial block-water performance in footpath.

The utility model technical solution problem adopts following technical scheme:

Public place lustration type insect protected mouse waterproof high flame retardant fire-resisting cable, its from-inner-to-outer is made up of conductor, first flame retardant coating, insulating barrier, packed layer, second flame retardant coating, restrictive coating part, be provided with the low smoke and zero halogen belting layer between described first flame retardant coating and the insulating barrier, be disposed with the band that blocks water, moistureproof separator between the described packed layer and second flame retardant coating, be disposed with low smoke and zero halogen glass belting layer and oxygen barrier damp-proof layer between between described second flame retardant coating and the restrictive coating.

Described insulating barrier is the halogen-free and low-smoke flame-retardant polyolefin insulating barrier.

Described packed layer is filled layer for the polypropylene that blocks water.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

Conductor adopts the tin-coated copper core conductor of the 5th class; can prevent the corrosion of moisture content and other harmful substance; packed layer and Halogen belting layer adopt the block water polypropylene and the polypropylene band that blocks water; its water absorption capacity surpasses 70ml/g; moistureproof separator adopts the melting welding of aluminum plastic composite belt longitudinal bag; sealing property is good; prevent that effectively moisture from immersing; the oxygen barrier damp-proof layer adopts the low-smoke halogen-free polyolefin of high oxygen index; this material oxygen barrier index reaches 50%; and has a humidity resistance; restrictive coating adopts lustration type low smoke and zero halogen insect protected mouse polyolefine material; this material adopts the protection against rodents protection against insect repellant that extracts from multiple natural plants; after repeatedly compound, add in the cable sheath material; make cable jacket contain a kind of specific peculiar smell; because of being upset, its sense of smell detests and rejects contact behind the worm muroid animal contact cable; also can send impalpable information and produce population effect simultaneously to colony; thereby reach the purpose that the protection cable is not destroyed by the worm mouse; smoke density was very low when the utility model product had burning; non-corrosiveness gas is overflowed; do not produce harmful dioxin yet; halide such as hydrogen sulfide; protection against insect and mouse bite; possesses axially waterproof of footpath simultaneously; high flame retardant and multiple performance such as fire-resistant are in the special cable of one; have in public arena that personnel relatively concentrate and the clean performance of the cable that important area uses of industrial and mining enterprises; can be widely used in nuclear power station; the subway station; electricity switch alive and computer controlling center; the skyscraper building; the hotel; TV and Radio Service; hospital; office building; important military installations; oil platform; personnel such as naval vessel concentrate narrow and small place, goods space, also are extensive use of in China temperate zone and subtropical zone many worms mouse area.In a word, this utility model product is a kind of with cleaning, blocks water, and the new product that security performances such as anti-ant mouse and flame-retardant are integrated in one has vast market prospect.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Number in the figure: 1 conductor, 2 first flame retardant coatings, 3 low smoke, zero halogen belting layers, 4 insulating barriers, 5 packed layers, 6 bands that block water, 7 moistureproof separators, 8 second flame retardant coatings, 9 halogen-free glass fiber belting layers, 10 oxygen barrier damp-proof layers, 11 restrictive coatings.

Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.

Embodiment, non-limiting examples is as described below:

Embodiment: shown in Figure 1, conductor 1 adopts the soft tinned copper wire of multiply of the 5th class formation to be twisted into conductor wire core, and conductor production is through following step: wire drawing-annealing is zinc-plated-and synnema-(multiple strand), the form that conductor adopts bundle to twist, the cross section is at 6mm ²Following conductor adopts the synnema form, and the cross section is at 6mm ²And above conductor, because the cross section is big, conductor monofilament radical is too many, also will carry out multiple strand, wherein 2.5mm behind synnema ²With monofilament maximum gauge in the lower conductor is 0.16mm, 4-35mm ²The monofilament maximum gauge is 0.21mm in the conductor, 50-150mm ²The monofilament maximum gauge is 0.31mm in the conductor, 185mm ²With monofilament maximum gauge in the upper conductor is 0.41mm.Wrapped first flame retardant coating 2 of the wrapped formation mica of mica tape+low smoke and zero halogen glass fibre belt composite band and low smoke, zero halogen belting layer 3, at first at the overlapping wrapped one deck mica tape of conductive surface, and then overlapping wrapped layer of glass fiber band, all adopt overlapping wrapped, the rate of putting up is controlled between 25～35%, insulating barrier 4 adopts low smoke halogen-free flame-retardant polyolefin, its production process is produced on SJ45 ~ SJ65 plastic extruding machine and is finished, adopt tubular molding tool to extrude, its extrusion temperature is according to the difference of warm area and different, body temperature is controlled at 110 ± 10 ℃, head temperature is controlled at 130 ± 5 ℃, die temperature is controlled at 125 ± 5 ℃, can carry out suitable adjustment according to extrusion equipment and material different, differs 10～15 ℃ in winter and summer.The polypropylene that blocks water is filled layer 5 and is blocked water the roundness of band 6 assurance cables.Aluminium-plastic tape damp-proof layer 7 adopts the mode of vertical bag, and this production process is finished on the aluminum plastic composite belt longitudinal chartered plane.Cable core is by vertical chartered plane, and aluminium-plastic tape vertically is coated on the cable core, and both sides should be intact overlapping, and Duplication should reach 35%.The mode that oxygen barrier damp-proof layer 10 adopts the high flame resistance, low smoke halogen-free polyolefin to extrude is produced, and its extrusion way is for squeezing tubular type.Restrictive coating 11 adopts low smoke and zero halogen protection against rodents ant polyolefin jacket layer, also adopt tubular molding tool to extrude, extrusion temperature is according to the difference of warm area and different, body temperature is controlled at 120 ± 10 ℃, head temperature is controlled at 140 ± 10 ℃, die temperature is controlled at 135 ± 10 ℃, can carry out suitable adjustment according to extrusion equipment and material different, differs 10～15 ℃ in winter and summer.Production equipment can adopt different sheath extruders to produce according to the size of the outside diameter of cable: the use SJ90 extruder of external diameter below 35mm, the use SJ120 extruder of external diameter more than 35mm.

Claims (3)

1. the public place is with lustration type insect protected mouse waterproof high flame retardant fire-resisting cable, its from-inner-to-outer is by conductor (1), first flame retardant coating (2), insulating barrier (4), packed layer (5), second flame retardant coating (8), restrictive coating (11) part is formed, it is characterized in that, be provided with low smoke, zero halogen glass belting layer (3) between described first flame retardant coating (2) and the insulating barrier (4), be disposed with the band that blocks water (6) between described packed layer (5) and second flame retardant coating (8), moistureproof separator (7) is disposed with low smoke and zero halogen glass belting layer (9) and oxygen barrier damp-proof layer (10) between (11) between described second flame retardant coating (8) and the restrictive coating.

2. public place according to claim 1 is characterized in that with lustration type insect protected mouse waterproof high flame retardant fire-resisting cable described insulating barrier (4) is the halogen-free and low-smoke flame-retardant polyolefin insulating barrier.

3. public place according to claim 1 is characterized in that with lustration type insect protected mouse waterproof high flame retardant fire-resisting cable described packed layer (5) is filled layer for the polypropylene that blocks water.