CN205984370U

CN205984370U - Flame retardant cable

Info

Publication number: CN205984370U
Application number: CN201621006451.7U
Authority: CN
Inventors: 王宝安
Original assignee: Shaanxi Power Cable Manufacturing Co Ltd
Current assignee: Shaanxi Power Cable Manufacturing Co Ltd
Priority date: 2016-08-30
Filing date: 2016-08-30
Publication date: 2017-02-22
Anticipated expiration: 2026-08-30

Abstract

Flame retardant cable includes central cable, peripheral cable and winds the covering, its characterized in that: central authorities' cable includes first central sheath, central authorities' sheathed wire, second central authorities' sheath and central conductor, the central conductor of second central authorities sheath parcel, sheathed wire winding second central authorities of central authorities sheath, the central sheathed wire of first central sheath parcel, first central sheath and second central authorities sheath are POE (gathering ethylene -octylene copolymer ) and LLDPE ( linear low density polyethylene ) binary blend's resin, first central sheath contains aluminum hydroxide fire retardant, central authorities' sheathed wire is polyether ether ketone (PEEK) resin fiber.

Description

Flame retardant cable

Technical field

This utility model is related to field of electrical equipment, more particularly, to high-temperature-resistant power cable.

Background technology

Polyether-ether-ketone, English name polyetheretherketone (abbreviation PEEK), it is to contain chain in molecular backbone The linear aromatic race macromolecular compound of section.Its component unit be oxygen-to phenylene-oxygen-carbonyl-to phenylene, be hemicrystalline, Thermoplastic.

Name of product：Polyether-ether-ketone (PEEK) resin is a kind of special engineering plastics of excellent performance, with other extraordinary works Engineering plastics are compared has more significant advantages, and 260 degree of resistance to positive high temperature, mechanical performance is excellent, self lubricity is good, chemicals-resistant is rotten Erosion, fire-retardant, peel resistance, wearability, can be used for high-end machine intolerant to strong nitric acid, concentrated sulphuric acid, radioprotective, superpower mechanical performance The science and technology such as tool, nuclear engineering and aviation.

Polyimide fiber, elastic modelling quantity is only second to carbon fiber, as the filtering material of high-temperature medium and radioactive substance With shellproof, fire-proof fabric.

Polyarylate is a kind of heat-resist, wider using temperature, can at -70-+180 DEG C life-time service, anti-flammability is good Engineering thermoplastic mould.

Liquid crystal polymer fibre because its to have high intensity, high rigidity, high temperature resistant, electrical insulating property etc. very excellent, by with In fields such as electronics, electric, optical fiberss, automobile and aerospace.The fiber being made with liquid crystal can do fishing net, ballistic protective clothing, physical culture A few display material of articles for use, brake block, optical fiberss etc., may also be fabricated which thin film, for soft printed wire, packaging for foodstuff etc..Heat Cause liquid crystal polymer also can make polymer blending material with multiple plastics, in these intermingling materials, liquid crystal polymer plays fiber Enhanced effect, can greatly improve intensity, rigidity and thermostability of material etc.

Utility model content

Flame retardant cable, including central cable, peripheral cable and lapping layer it is characterised in that：

Described central cable includes the first center sheath, central armoury wire, the second center sheath and central conductor, in second Centre sheath parcel central conductor, central armoury wire winding the second center sheath, the central armoury wire of the first center sheath parcel, first Center sheath and the second center sheath are POE (polyethylene octene copolymer) and LLDPE (linear low density polyethylene) binary is common The resin of mixed thing, the first center sheath contains aluminium hydroxide fire retardant, and central armoury wire is polyether-ether-ketone (PEEK) resin fibre；

Described peripheral cable includes the first peripheral sheath, the second peripheral sheath, peripheral armoury wire and peripheral conductors, outside first Go along with sb. to guard him set parcel peripheral conductors, peripheral armoury wire is wound around the first peripheral sheath, the peripheral armoury wire of the second peripheral sheath parcel, first Peripheral sheath and the second peripheral sheath is POE (polyethylene octene copolymer) and LLDPE (linear low density polyethylene) binary is common The resin of mixed thing, the second peripheral sheath contains aluminium hydroxide fire retardant, and peripheral armoury wire is polyether-ether-ketone (PEEK) resin fibre；

Described lapping layer is fixed on the cable cluster periphery that central cable and multiple peripheral cable are formed, lapping layer inner homogeneous Arrangement wrapping armoury wire, lapping layer internal voids are packing layer, and packing layer is siliceous inorganic filler type fire retardant, wrapping armoury wire For polyether-ether-ketone (PEEK) resin fibre.

Further, described central authorities armoury wire, peripheral armoury wire and wrapping armoury wire are polyimide fiber.

Further, described central authorities armoury wire, peripheral armoury wire and wrapping armoury wire are polyarylate fiber.

Further, described central authorities armoury wire, peripheral armoury wire and wrapping armoury wire are liquid crystal polymer fibre.

Further, described siliceous inorganic filler type fire retardant is montmorillonite.

Further, described siliceous inorganic filler type fire retardant is kieselguhr.

Beneficial effect：

The high connductivity rare earth aluminium alloy (Al-Re) that this utility model provides, electrical conductivity can bring up to 61%～63% IACS, corrosion resistance is also significantly increased.

The high strength rare earth aluminium alloy (Al-Mg-Si-Re) that this utility model provides, the cold-forming property of alloy is shown Write and improve, lumber recovery brings up to more than 80% by original 40%～50%, and mechanical property, electrical conductivity and corrosion resistance are all Improve.

The high-conductive heat-resistant rare earth aluminium alloy (Al-Zr-Y) that this utility model provides, electrical conductivity is by original 58%IACS Bring up to 60%IACS, current-carrying capacity is 1.6 times～2.0 times of pure aluminum wire, can serve as high current wire.

Brief description

Fig. 1 is structure chart of the present utility model.

In conjunction with Fig. 1, concrete reference of the present utility model is as follows：

1- lapping layer, 2- compositional flame-retardant layer, 3- oversheath, 4- central cable, 5- first center sheath, 6- central authorities armouring Line, 7- second center sheath, 8- central conductor, 9- wrapping armoury wire, 10- peripheral conductors, the peripheral sheath of 11- first, 12- periphery Cable, the peripheral sheath of 13- second, 14- periphery armoury wire, 15- packing layer.

Specific embodiment

In conjunction with Fig. 1, specific embodiment of the present utility model is:

Flame retardant cable, including central cable 4, peripheral cable 12 and lapping layer 1 it is characterised in that：

Described central cable 4 includes the first center sheath 5, central armoury wire 6, the second center sheath 7 and central conductor 8, Second center sheath 7 wraps up central conductor 8, and central armoury wire 6 is wound around the second center sheath 7, and the first center sheath 5 wraps up central authorities Armoury wire 6, the first center sheath 5 and the second center sheath 7 are POE (polyethylene octene copolymer) and LLDPE (linea low density Polyethylene) binary blend resin, the first center sheath 5 contains aluminium hydroxide fire retardant, and central armoury wire 6 is polyether-ether-ketone (PEEK) resin fibre；

Described peripheral cable 12 includes first peripheral sheath the 11, second periphery sheath 13, peripheral armoury wire 14 and periphery and leads Body 10, the first peripheral sheath 11 parcel peripheral conductors 10, peripheral armoury wire 14 is wound around the first peripheral sheath 11, the second peripheral sheath The peripheral armoury wires 14 of 13 parcels, the first peripheral sheath 11 and the second peripheral sheath 13 be POE (polyethylene octene copolymer) and The resin of LLDPE (linear low density polyethylene) binary blend, the second peripheral sheath 13 contains aluminium hydroxide fire retardant, periphery Armoury wire 14 is polyether-ether-ketone (PEEK) resin fibre；

Described lapping layer 1 is fixed on the cable cluster periphery that central cable 4 and multiple peripheral cable 12 are formed, in lapping layer 1 Portion is evenly arranged wrapping armoury wire 9, and lapping layer 1 internal voids are packing layer 15, and packing layer 15 is that siliceous inorganic filler type is fire-retardant Agent, wrapping armoury wire 9 is polyether-ether-ketone (PEEK) resin fibre.

Further, described central authorities armoury wire 6, peripheral armoury wire 14 and wrapping armoury wire 9 are polyimide fiber.

Further, described central authorities armoury wire 6, peripheral armoury wire 14 and wrapping armoury wire 9 are polyarylate fiber.

Further, described central authorities armoury wire 6, peripheral armoury wire 14 and wrapping armoury wire 9 are liquid crystal polymer fibre.

Of the present utility model ultimate principle, principal character and of the present utility model advantage have been shown and described above.One's own profession The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, without departing from this utility model spirit and On the premise of scope, this utility model also has various changes and modifications, and these changes and improvements both fall within claimed basis In the range of utility model.This utility model claims scope by appending claims and its equivalent thereof.

Claims

1. flame retardant cable, including central cable (4), peripheral cable (12) and lapping layer (1) it is characterised in that：

Described central cable (4) includes the first center sheath (5), central armoury wire (6), the second center sheath (7) and central authorities and leads Body (8), the second center sheath (7) parcel central conductor (8), central armoury wire (6) is wound around the second center sheath (7), in first The central armoury wire (6) of centre sheath (5) parcel, the first center sheath (5) and the second center sheath (7) are that (polyethylene octene is altogether for POE Polymers) and LLDPE (linear low density polyethylene) binary blend resin, the first center sheath (5) contain aluminium hydroxide hinder Combustion agent, central armoury wire (6) is polyether-ether-ketone (PEEK) resin fibre；

Described peripheral cable (12) includes the first peripheral sheath (11), the second peripheral sheath (13), peripheral armoury wire (14) and outward Enclose conductor (10), the first peripheral sheath (11) parcel peripheral conductors (10), peripheral armoury wire (14) is wound around the first peripheral sheath (11), the second peripheral sheath (13) parcel periphery armoury wire (14), the first peripheral sheath (11) and the second peripheral sheath (13) are POE (polyethylene octene copolymer) and the resin of LLDPE (linear low density polyethylene) binary blend, the second peripheral sheath (13) contain aluminium hydroxide fire retardant, peripheral armoury wire (14) is polyether-ether-ketone (PEEK) resin fibre；

Described lapping layer (1) is fixed on the cable cluster periphery that central cable (4) and multiple peripheral cable (12) are formed, lapping layer (1) inner homogeneous arrangement wrapping armoury wire (9), lapping layer (1) internal voids are packing layer (15), and packing layer (15) is siliceous nothing Machine packing type fire retardant, wrapping armoury wire (9) is polyether-ether-ketone (PEEK) resin fibre.

2. flame retardant cable according to claim 1 it is characterised in that：Described central authorities' armoury wire (6), peripheral armoury wire (14) It is polyimide fiber with wrapping armoury wire (9).

3. flame retardant cable according to claim 1 it is characterised in that：Described central authorities' armoury wire (6), peripheral armoury wire (14) It is polyarylate fiber with wrapping armoury wire (9).

4. flame retardant cable according to claim 1 it is characterised in that：Described central authorities' armoury wire (6), peripheral armoury wire (14) It is liquid crystal polymer fibre with wrapping armoury wire (9).

5. flame retardant cable according to claim 1 it is characterised in that：Described siliceous inorganic filler type fire retardant is to cover to take off Stone.

6. flame retardant cable according to claim 1 it is characterised in that：Described siliceous inorganic filler type fire retardant is diatom Soil.