CN2739767Y

CN2739767Y - Composite insulating and sheathed cable

Info

Publication number: CN2739767Y
Application number: CN 200420061831
Authority: CN
Inventors: 彭书礼; 金凯
Original assignee: TEBIAN ELECTRICAL APPARATUS DEYANG CABLE CO Ltd
Current assignee: TEBIAN ELECTRICAL APPARATUS DEYANG CABLE CO Ltd
Priority date: 2004-10-26
Filing date: 2004-10-26
Publication date: 2005-11-09
Anticipated expiration: 2014-10-26

Abstract

The utility model provides a composite insulating and sheathed cable, comprising a fluoroplastics and polyvinyl chloride double layer insulation structure. The cable sheath is a double-layer protective sheath of silicone rubber and polyvinyl chloride. The cable insulation adopts the fluoroplastics and polyvinyl chloride double layer insulation structure to improve the use safety performance of the cable and prolong the service life of the cable. The cable sheath adopts the double-layer protective sheath of silicone rubber and polyvinyl chloride to cause the cable to have certain anti-environment temperature and water blocking and moisture proof functions and remedy the weakness of the former silicone rubber protective sheath having poor mechanical strength. Simultaneously, the fluoroplastics can not be burned, the polyvinyl chloride insulation is the polyvinyl chloride insulation with the fire retardant 105 DEG, and the polyvinyl chloride protective sheath is the 105 DEG polyvinyl chloride protective sheath, therefore, the cable has higher flame retardancy.

Description

Compound inslation and jacketed cable

Technical field:

The utility model relates to a kind of moving or fixing cabling, be applicable to that ac rated voltage 0.6/1kV and following high temperature and other have pollution and adverse circumstances such as corrosion and ultraviolet irradiation, the cable usage safety performance is required than higher place, as electric equipment electric energy transmitting line.

Background technology:

The rated voltage 0.6/1kV and the following power cable of GB12706 regulation, i.e. polyvinyl chloride insulation power cable and crosslinked polyetylene insulated crosslinked cable.Wherein the polyvinyl chloride insulation relative dielectric constant is bigger, and insulation property are not so good; Crosslinked polyetylene insulated heatproof characteristic is bad, and crosslinked polyethylene can deliquescing when temperature was elevated to more than 90 ℃.If thereby cable transshipped or be subjected to the influence of foreign impacts ripple or lightning surge, cable easily punctures, and cable punctures, and often brings fire easily, causes bigger loss to personal safety and property.Therefore, some power departments are more and more paid attention to fail safe and the economy that cable uses at present.

Summary of the invention:

Compound inslation and jacketed cable highlight at above problem: 1, require cable insulation material that higher insulation property are arranged.2, has certain cable overload capacity (Temperature Influence when being the cable overload).3, have certain fire resistance, fire resistance meets the requirement of the standard GA 306.1-2001 of the Ministry of Public Security " fire-retardant and fire-resisting cable: the fire-retardant and fire-resisting cable classification of plastic insulation and require first: flame retardant cable ".4, certain protection against the tide that blocks water, anticorrosion, antiultraviolet ageing properties are arranged.

Goal of the invention of the present utility model is: the power cable that a kind of usage safety performance height, overload capacity are strong, have the protection against the tide that necessarily blocks water, anticorrosion, antiultraviolet ageing properties is provided.

Goal of the invention of the present utility model realizes by implementing following technical proposals:

Comprise that conductor is single core and multicore structure cable, have fluoroplastics and add the polyvinyl chloride double-layer insulating structure that cable cover(ing) is silicon rubber and polyvinyl chloride duplex sheath.

It is wrapped that multicore cable also has glass fibre belt.

Multicore cable cable core gap has fire-retardant filler.

Double hyer insulation, internal layer are the fluoroplastic insulation layer, and skin is the polyvinyl chloride reinforced layer.

Duplex sheath, inner sheath are silicone rubber jacket, and oversheath is the polyvinyl chloride reinforced layer.

The utility model because: 1, adopt double hyer insulation.Make full use of the high characteristics of insulative dielectric performance, improved the insulation breakdown field intensity.2, adopt silicon rubber to do 105 ℃ of polyvinyl chloride reinforced layers of sheath, have moistureproof, anticorrosion, the high temperature resistant effect that blocks water.

The utility model overall merit is, cable insulation has adopted fluoroplastics to add the polyvinyl chloride double-layer insulating structure, thereby the cable usage safety performance has improved cable useful life; Cable cover(ing) adopts silicon rubber and polyvinyl chloride duplex sheath, makes cable have certain anti-ambient temperature and the moisture-proof role that blocks water, and has remedied the weakness of former silicone rubber jacket bad mechanical strength.Because fluoroplastics do not burn, and used polyvinyl chloride insulation is fire-retardant 105 ℃ of polyvinyl chloride insulations, pvc sheath is 105 ℃ of flame-proof polyvinyl chloride sheaths simultaneously.Therefore this cable has than high flame resistance.

Description of drawings

Fig. 1 is the utility model two core cable

Fig. 2 is the utility model three-core cable

Fig. 3 is the utility model quad

Fig. 4 is the utility model five-core cable

Fig. 5 is the utility model three-plus-one core cable

Fig. 6 adds twin core cable for the utility model three

Fig. 7 is the utility model single-core cable

Fig. 8 adds a core cable for the utility model four

---------------silicon rubber inner sheath 6---fire-retardant 105 ℃ of sheath reinforced layers 7---PP fills glass fibre belt 5 fluoroplastic insulation 3 copper conductor 2 code name implication among the figure: 1 in fire-retardant 105 ℃ of insulation 4

Embodiment

The utility model cable adopts the conductor of GB3956 regulation, and fluoroplastic insulation and polyvinyl chloride insulation reinforced layer are adopted in insulation.Fluoroplastics are perfluoroethylene-propylene, and this material temperature resistant grade is-60 ℃～200 ℃.Inner sheath is a silicon rubber, and oversheath is fire-retardant 105 ℃ of polyvinyl chloride.With reference to Fig. 1-Fig. 8, the utility model compound inslation and jacketed cable, comprise: A) single cored structure: squeeze fluoroplastic insulation 2 in conductor 1 outside, outside fluoroplastic insulation 2, squeeze one deck polyvinyl chloride insulation reinforced layer 3 again, outside the polyvinyl chloride reinforced layer, squeeze in the silicon rubber and overlap 5, extrude 105 ℃ of pvc sheath reinforced layers 6 at last; B) multicore structure is: squeeze fluoroplastic insulation 2 in conductor 1 outside, at fluoroplastic insulation outside cohering vinyl chloride insulation reinforced layer 3, insulated wire cores stranding and wrapped glass fibre belt wrapped 4, cable core gap filled polypropylene 7, outside glass fibre belt, extrude and overlap 5 in the silicon rubber, extrude 105 ℃ of pvc sheath reinforced layers 6 at last.

Claims

1. compound inslation and jacketed cable, comprise that conductor is single core and multicore structure cable, is characterized in that: have fluoroplastics and add the polyvinyl chloride double-layer insulating structure, cable cover(ing) is silicon rubber and polyvinyl chloride duplex sheath.

2. compound inslation according to claim 1 and jacketed cable is characterized in that: it is wrapped that multicore cable has glass fibre belt.

3. compound inslation according to claim 2 and jacketed cable is characterized in that: multicore cable cable core gap has fire-retardant filler.

4. compound inslation according to claim 1 and jacketed cable is characterized in that: double hyer insulation, internal layer are the fluoroplastic insulation layer, and skin is the polyvinyl chloride reinforced layer.

5. compound inslation according to claim 1 and jacketed cable is characterized in that: duplex sheath, inner sheath are silicone rubber jacket, and oversheath is the polyvinyl chloride reinforced layer.