CN104134487A

CN104134487A - Isolated cable

Info

Publication number: CN104134487A
Application number: CN201410166681.9A
Authority: CN
Inventors: 许义彬
Original assignee: JING FENG GROUP
Current assignee: JING FENG GROUP
Priority date: 2014-09-01
Filing date: 2014-09-01
Publication date: 2014-11-05

Abstract

The invention discloses an isolated cable which comprises a central steel wire, multiple groups of cable cores and an outer sheath, wherein a plurality of insulated isolation layers which are integrated are arranged between the central steel wire and the outer sheath, a region between a central line and the outer sheath is divided into a plurality of cavity chambers by the plurality of insulated isolation layers, the multiple groups of cable cores are arranged in the plurality of cavity chambers and in the plurality of insulated isolation layers, and a plurality of steel wires are respectively arranged in each insulated isolation layer. The isolated cable is simple in structure, the plurality of cable cores are isolated and distributed without influence and cannot be disturbed to each other, and with the adoption of the central steel wire having an effect of isolation and the arrangement of the steel wires in the plurality of insulated isolation layer, the strength of the cable is further improved.

Description

Isolated form cable

Technical field

The present invention relates to field of cables, specifically a kind of isolated form cable.

Background technology

Cable has power cable, control cables, compensating cable, shielded type cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable, shipboard cable, mining cable, aluminium alloy cable etc.They are all made up of sub-thread or stranded conductor and insulating barrier, are used for connecting circuit, electrical equipment etc.

Although the cable core group of existing cable is surrounded by insulating barrier or dielectric isolation layer outward, between cable core group, still can easily produce the phenomenon of phase mutual interference.

Traditional cable jacket material easily occurs that cracking damages phenomenon, especially in environmental conditions such as damp and hot, cold, salt fog, acid rains.

Summary of the invention

The object of this invention is to provide a kind of isolated form cable, prevent from producing between cable core group phase mutual interference.Cable jacket material of the present invention has advantages of that mechanical strength is high, pliability good, resistant of high or low temperature is good, good corrosion resistance, resistance to turning round draw.

Technical scheme of the present invention is as follows:

A kind of isolated form cable, include center steel wire, organize cable core and oversheath more, it is characterized in that: between described center steel wire and oversheath, there are multiple dielectric isolation layers that one is connected, the region separation between described center line and oversheath is become multiple chambers by described multiple dielectric isolation layers, described many groups cable core respectively correspondence is positioned at described multiple chamber, in described multiple dielectric isolation layer, the inside of each dielectric isolation layer is respectively equipped with multiple steel wires.

Described isolated form cable, is characterized in that: in described many groups cable core, every group of cable core is respectively by stranded composition of two or more conductors that is coated with insulating barrier.

Described jacket material is made up of the raw material of following weight portion: neoprene 42-54, FFKM 24-36, AES resin 12-18, insoluble sulfur 2-3, pine tar 3-6, zinc oxide 2-3, stearic acid 1-2, stannous chloride 2-3, antioxidant 4010NA 1.5-2.5, accelerant CZ 1-2, promoter ZDMC1-2, nylon acid dioctyl ester 10-15, PPA 5-10, microcrystalline wax 2-5, precipitated calcium carbonate 6-12, antimonous oxide 5-10, aluminium hydroxide 10-15, gas-phase silica 15-20, modified mineral filler 17-23,

The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 4-8:3-5:2-3:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 50-100 mesh sieve, then at 820-880 DEG C of temperature lower calcination 20-30min, continue to be warming up to 1050-1150 DEG C, calcining 2-3h, shrend, dries; (2) get and be equivalent to 4 of absolute ethyl alcohol doubly of complex mineral filler weight 2-3,40-50%, the glyoxal ethyline of 4'-MDA epoxy resin, 2-4% mixes with the compounded mix that step (2) is processed, heating water bath is to 120-140 DEG C, 500-1000rpm high-speed stirred 0.5-1h, filter, dry; (3) get ethylene-vinyl acetate copolymer, the 4-8% of methyl ethylene trifluoro propyl silicon rubber, the 10-15% of the polybutadiene rubber, the 15-25% that are equivalent to complex mineral filler weight 25-35% dicyclopentadiene, 1-2% two-the low molecular weight polycaprolactone butylene of (the silica-based propyl group of γ-triethoxy) tetrasulfide, 3-6% together drops into double screw extruder after mixing with the complex mineral filler of step (2) processing and carries out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.

The preparation method of jacket material of the present invention, comprise the following steps: take in neoprene, pine tar, PPA, stannous chloride, the mill of precipitated calcium carbonate input, be mixing 5-10min at 70-80 DEG C of temperature in roller temperature, then dancer rools temperature is to 50-60 DEG C, add the mixing 10-15min of all the other raw materials, park 5-10h, discharging.

Beneficial effect of the present invention:

The present invention is simple in structure, organizes the separate distribution of cable core more, is independent of each other, and can not produce each other interference, and the steel wire arranging in the center steel wire of a buffer action and multiple dielectric isolation layer has further improved the intensity of cable.Cable jacket material mechanical strength of the present invention is high, pliability is good, resistance to twisting property is good, and there is the performances such as good anti-flammability, weather resisteant, oil resistance, chemical resistance, resistance to wear, impact resistance, guarantee that cable normally works under the environmental conditions such as damp and hot, cold, salt fog, acid rain, indeformable, do not ftracture, durable in use.

Brief description of the drawings

Fig. 1 is structural representation of the present invention.

Embodiment

Referring to Fig. 1, a kind of isolated form cable, include center steel wire 1, organize cable core 2 and oversheath 3 more, between center steel wire 1 and oversheath 3, there are multiple dielectric isolation layers 4 that one is connected, the region separation between center line 1 and oversheath 3 is become multiple chambers 5 by multiple dielectric isolation layers 4, many group cable cores 2 respectively correspondence are positioned at multiple chambers 5, and in multiple dielectric isolation layers 4, the inside of each dielectric isolation layer is respectively equipped with multiple steel wires 6.

In the present invention, organize in cable core 2, every group of cable core is respectively by stranded composition of two or more conductors that is coated with insulating barrier more.

Described oversheath 3 materials are made up of the raw material of following weight portion: neoprene 52, FFKM 34, AES resin 14, insoluble sulfur 2.5, pine tar 5, zinc oxide 2, stearic acid 1.5, stannous chloride 2.5, antioxidant 4010NA 2, accelerant CZ 1, promoter ZDMC1.5, nylon acid dioctyl ester 12, PPA 8, microcrystalline wax 3, precipitated calcium carbonate 8, antimonous oxide 7, aluminium hydroxide 12, gas-phase silica 16, modified mineral filler 20;

The preparation method of described modification complex mineral filler is as follows: (1) in mass ratio 6:3:2:1 takes barite, olivine, attapulgite, illite and mixes, pulverize, cross 50-100 mesh sieve, then at 860 DEG C of temperature lower calcination 20min, continue to be warming up to 1120 DEG C, calcining 2.5h, shrend, dries; (2) get be equivalent to 2 times of complex mineral filler weight absolute ethyl alcohol, 44% 4,4'-MDA epoxy resin, 3% glyoxal ethyline mix with the compounded mix that step (2) is processed, heating water bath to 130 DEG C, 1000rpm high-speed stirred 0.5h, filter, dry; (3) get be equivalent to complex mineral filler weight 30% polybutadiene rubber, 20% methyl ethylene trifluoro propyl silicon rubber, 10% ethylene-vinyl acetate copolymer, 6% dicyclopentadiene, 1.5% two-(the silica-based propyl group of γ-triethoxy) tetrasulfide, 5% low molecular weight polycaprolactone butylene together drop into double screw extruder after mixing with the complex mineral filler of step (2) processing and carry out melt blending, then extruding pelletization, naturally cool to room temperature, be modification complex mineral filler.

The preparation method of described oversheath 3 materials, comprise the following steps: take in neoprene, pine tar, PPA, stannous chloride, the mill of precipitated calcium carbonate input, be mixing 5-10min at 70-80 DEG C of temperature in roller temperature, then dancer rools temperature is to 50-60 DEG C, add the mixing 10-15min of all the other raw materials, park 5-10h, discharging.

The results of property of the described oversheath 3 making after testing, is as following table:

Claims

1. an isolated form cable, include center steel wire, organize cable core and oversheath more, it is characterized in that: between described center steel wire and oversheath, there are multiple dielectric isolation layers that one is connected, the region separation between described center line and oversheath is become multiple chambers by described multiple dielectric isolation layers, described many groups cable core respectively correspondence is positioned at described multiple chamber, in described multiple dielectric isolation layer, the inside of each dielectric isolation layer is respectively equipped with multiple steel wires.

2. isolated form cable according to claim 1, is characterized in that: in described many groups cable core, every group of cable core is respectively by stranded composition of two or more conductors that is coated with insulating barrier.

3. isolated form cable according to claim 1, it is characterized in that: described jacket material is made up of the raw material of following weight portion: neoprene 42-54, FFKM 24-36, AES resin 12-18, insoluble sulfur 2-3, pine tar 3-6, zinc oxide 2-3, stearic acid 1-2, stannous chloride 2-3, antioxidant 4010NA 1.5-2.5, accelerant CZ 1-2, promoter ZDMC 1-2, nylon acid dioctyl ester 10-15, PPA 5-10, microcrystalline wax 2-5, precipitated calcium carbonate 6-12, antimonous oxide 5-10, aluminium hydroxide 10-15, gas-phase silica 15-20, modified mineral filler 17-23,

4. isolated form cable according to claim 1, it is characterized in that: the preparation method of described jacket material, it is characterized in that comprising the following steps: take in neoprene, pine tar, PPA, stannous chloride, the mill of precipitated calcium carbonate input, be mixing 5-10min at 70-80 DEG C of temperature in roller temperature, then dancer rools temperature is to 50-60 DEG C, add the mixing 10-15min of all the other raw materials, park 5-10h, discharging.