CN106024116A - Flexible type high voltage cable used for new energy vehicle - Google Patents

Flexible type high voltage cable used for new energy vehicle Download PDF

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Publication number
CN106024116A
CN106024116A CN201610386747.4A CN201610386747A CN106024116A CN 106024116 A CN106024116 A CN 106024116A CN 201610386747 A CN201610386747 A CN 201610386747A CN 106024116 A CN106024116 A CN 106024116A
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cable
layer
band
type high
conductor
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王笑梅
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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  • Insulated Conductors (AREA)

Abstract

The invention belongs to the technical field of a cable, and relates to a flexible type high voltage cable used for a new energy vehicle. The flexible type high voltage cable comprises a conductor, a wrapping band which is arranged on the exterior of the conductor, an insulating layer which is arranged on the exterior of the wrapping band, a single-sided aluminum foil surface which is arranged on the exterior of the insulating layer, a shielding layer which is arranged on the exterior of the single-sided aluminum foil surface, and a sheath layer which is arranged on the exterior of the shielding layer, wherein the insulating layer and the sheath layer both can be prepared from 125 DEG C environment-friendly flame-retardant irradiation crosslinking polyolefin or TPE (thermoplastic elastomer) or TPU (thermoplastic polyurethanes); the flexible type high voltage cable is characterized in that the conductor is formed by multiple aluminium alloy wires in a stranding manner; the wrapping band comprises an inner layer band and an outer layer band which is positioned outside the inner layer band; and the outer layer band and the inner layer band are made from the same material. The flexible type high voltage cable has the main beneficial effects as follows: the flexible type high voltage cable is more flexible, easier to bend and construct, lighter in weight, lower in cost, higher resistance to high voltage, high current, high temperature and electrical interference, better in the flame-retardant effect, more excellent in bending resistance performance, and safer in use.

Description

A kind of soft type high tension cable for new forms of energy car
The application is entitled: a kind of have the high tension cable used for electric vehicle of aluminium alloy conductor, a filing date: on 01 20th, 2015, Application No.: the divisional application of the patent of invention of 201510027603.5.
Technical field
The invention belongs to electric automobile and technical field of cables, especially relate to a kind of soft type high tension cable for new forms of energy car, especially relate to use the cable of aluminium alloy conductor.
Background technology
It is a kind of for electric connection line, the primary high-voltage transmission for vehicle interior that automotive interior high pressure connects cable.Communication power supply flexible cable does not require nothing more than has good flexibility, in order to conveniently lays in narrow space or when similar, and requires have preferable anti-flammability, to adapt to higher fire-protection rating requirement.
The Application No. of our company: 2014104424205 and entitled: " connecting cable and preparation method thereof with high pressure inside a kind of electric automobile with super soft aluminium conductor ", Application No.: 2014104424313 and entitled: " have inside the electric automobile of super soft aluminium conductor and connect cable and manufacture method with high pressure ", Application No.: 2014104424328 and entitled: in " there is electric automobile internal double sheath high pressure connection cables and the manufacture method of ultra-soft aluminum conductor " patent, use aluminium conductor to substitute copper conductor, reach to save the purpose of Zhi Jiangben；But, owing to the hardness of aluminum is the highest, although soft purpose can be reached, but its tensile property is poor, is easier to creep, corrosion resistance and thermal expansion aspect not ideal enough.
The cable for car overwhelming majority uses copper conductor the most both at home and abroad, and copper conductor itself is heavier, and flexibility is poor；Communication power supply flexible cable is the most generally used to carry out substituting use.
Technical information about communication power supply flexible cable can be seen in disclosed Chinese patent literature, such as CN201247632Y recommends have that " communication power supply is with fire-retardant, fire-resistant, shielding anti-interference flexible cable ", CN201302849Y is provided with " a kind of communication power supply flame-retardant refractory flexible electric cable ", CN202230791Y is disclosed " a kind of flame-retardant crosslinking polyethylene insulated flexible cable of communication power supply ", CN202720953U introduces " for the shoe flame-retardant shielding flexible cable of communication power supply ", CN202855416U discloses " communication power supply fire-resistant shield flexible cable " and CN202601277U disclosed " a kind of communication power supply flame-retardant flexible electric cable ", etc..
Although communication power supply flexible cable of the prior art is respectively arranged with corresponding technique effect, but there is following common defect: (1) is owing to using stranded thin copper wire as conductor, its softness can not meet desired requirement.And make bending radius be restricted due to pliability difference, thus at narrow space, hindered by immovable object or even time the occasion at the place of talking in a roundabout way etc is laid, easily affect speed of application, particularly in the occasion that the spaces such as vehicle are less；(2) owing to generally selecting under technology prejudice with copper as the conductor of flexible cable, thus do not only exist the blindness in terms of reasonable employment raw material, and cause the manufacturing cost of flexible cable big；Its three, owing to copper density is big, therefore cable weight is heavier, thus not only the cost in logistics transportation, storage link is high, and in laid processes, workmen's labor intensity is big, consumed cost of labor height.
In view of above-mentioned prior art, still there is necessity of improvement, made useful design for this applicant, define technical scheme described below.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to disclose a kind of soft type high tension cable for new forms of energy car, it realizes by the following technical solutions.
In first embodiment of the present invention, a kind of soft type high tension cable for new forms of energy car, including conductor, the band being coated on outside conductor, the insulating barrier overlayed on outside band, the one side aluminium foil layer being coated on outside insulating barrier, it is coated on the screen layer outside one side aluminium foil layer, extrusion molding is coated on the restrictive coating outside screen layer, the material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band is made up of core band and the outer layer band outside being positioned at core band, core band with first segment outside one direction is wound on conductor spirally, outer layer band with second section outside one direction is wound on core band spirally, core band and outer layer band around to contrary and first segment away from second section away from equal；First segment is away from being 3～6 times of core band width；The material of core band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm；The material of outer layer band is identical with the material of core band.
In second embodiment of the present invention, a kind of soft type high tension cable for new forms of energy car, including conductor, the band being coated on outside conductor, the insulating barrier overlayed on outside band, the one side aluminium foil layer being coated on outside insulating barrier, it is coated on the screen layer outside one side aluminium foil layer, the restrictive coating 4 that extrusion molding is coated on outside screen layer, the material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band one direction in the way of mutually adjacent is wound on outside conductor spirally；The material of band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm.
In 3rd embodiment of the present invention, a kind of soft type high tension cable for new forms of energy car, including conductor, the band being coated on outside conductor, the insulating barrier overlayed on outside band, the one side aluminium foil layer being coated on outside insulating barrier 3, it is coated on the screen layer outside one side aluminium foil layer, extrusion molding is coated on the restrictive coating outside screen layer, the material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band one direction in the way of having overlap joint is wound on outside conductor spirally, and the width of overlap joint is 0.1～0.2 times of band width；The material of band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the thickness of described one side aluminium foil layer is 0.05～0.5mm；More typical thickness is 0.05mm or 0.08mm or 0.10mm or 0.12mm or 0.15mm or 0.20mm or 0.20mm or 0.25mm or 0.30mm or 0.40mm or 0.45mm.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that described screen layer is the woven shield formed by metal wire knitted band cladding or is coated on outside one side aluminium foil layer the semi-conductive shield formed by semiconductor composite extrusion molding.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the thickness of described restrictive coating is 0.8～3.0mm；More typical thickness is 0.8mm or 1.0mm or 1.2mm or 1.5mm or 1.6mm or 1.8mm or 2.0mm or 2.5mm or 3.0mm.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that described conductor is made up of multilamellar, is formed by many aluminum-alloy wires are stranded in every layer, and the direction of lay between adjacent layer is contrary；The twisting pitch of every layer is 10～25 times of aluminum-alloy wire diameter in this layer.
Further, a kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterized in that described conductor is made up of multilamellar, in adjacent layer: the twisting pitch of outer layer aluminum-alloy wire is bigger than the twisting pitch of unlined aluminium B alloy wire, and the twisting pitch of outer layer aluminum-alloy wire is 2～4 times of twisting pitch of unlined aluminium B alloy wire.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the thickness of described insulating barrier is 0.5～3.0mm；More typical thickness is 0.5mm or 0.7mm or 0.8mm or 1.0mm or 1.5mm or 2.0mm or 3.0mm.
Therefore, the present invention has a following main beneficial effect: more soft, more flexible, be more easy to that construction, deadweight are lighter, cost is lower, more can electric current high pressure resistant, big, electrical Interference high temperature resistant, anti-；Flame retardant effect is more preferably, bending resistance is more excellent, it is safer to use.
Accompanying drawing explanation
Fig. 1 is the perspective view after one section of stripping of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 1.
Fig. 3 is that embodiment 2 of the present invention intercepts one section, the perspective view of stripping after the part outside removal insulating barrier.
Fig. 4 is that embodiment 3 of the present invention intercepts one section, the perspective view of stripping after the part outside removal insulating barrier.
Detailed description of the invention
Embodiment 1
Ask for an interview Fig. 1 and Fig. 2, a kind of soft type high tension cable for new forms of energy car, including conductor 1, the band 2 being coated on outside conductor 1, the insulating barrier 3 overlayed on outside band 2, the one side aluminium foil layer 5 being coated on outside insulating barrier 3, the screen layer 6 being coated on outside one side aluminium foil layer 5, extrusion molding is coated on the restrictive coating 4 outside screen layer 6, the material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor 1 is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band 2 is made up of core band 22 and the outer layer band 21 outside being positioned at core band, core band with first segment outside one direction is wound on conductor spirally, outer layer band with second section outside one direction is wound on core band spirally, core band and outer layer band around to contrary and first segment away from second section away from equal；First segment is away from being 3～6 times of core band width；The material of core band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm；The material of outer layer band is identical with the material of core band.
Embodiment 2
nullAsk for an interview Fig. 3，And with reference to Fig. 1 and Fig. 2，A kind of soft type high tension cable for new forms of energy car，Including conductor 1、The band 2 being coated on outside conductor 1、The insulating barrier 3 overlayed on outside band 2、The one side aluminium foil layer 5 being coated on outside insulating barrier 3、The screen layer 6 being coated on outside one side aluminium foil layer 5、Extrusion molding is coated on the restrictive coating 4 outside screen layer 6，The material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers，The material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers，The conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor 1 is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band one direction in the way of mutually adjacent is wound on outside conductor spirally；The material of band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm.
Embodiment 3
nullAsk for an interview Fig. 4，And with reference to Fig. 1 and Fig. 2，A kind of soft type high tension cable for new forms of energy car，Including conductor 1、The band 2 being coated on outside conductor 1、The insulating barrier 3 overlayed on outside band 2、The one side aluminium foil layer 5 being coated on outside insulating barrier 3、The screen layer 6 being coated on outside one side aluminium foil layer 5、Extrusion molding is coated on the restrictive coating 4 outside screen layer 6，The material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers，The material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers，The conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor 1 is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band one direction in the way of having overlap joint is wound on outside conductor spirally, and the width of overlap joint is 0.1～0.2 times of band width；The material of band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the thickness of described one side aluminium foil layer is 0.05～0.5mm；More typical thickness is 0.05mm or 0.08mm or 0.10mm or 0.12mm or 0.15mm or 0.20mm or 0.20mm or 0.25mm or 0.30mm or 0.40mm or 0.45mm.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that described screen layer is the woven shield formed by metal wire knitted band cladding or is coated on outside one side aluminium foil layer the semi-conductive shield formed by semiconductor composite extrusion molding.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the thickness of described restrictive coating 4 is 0.8～3.0mm；More typical thickness is 0.8mm or 1.0mm or 1.2mm or 1.5mm or 1.6mm or 1.8mm or 2.0mm or 2.5mm or 3.0mm.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that described conductor is made up of multilamellar, is formed by many aluminum-alloy wires are stranded in every layer, and the direction of lay between adjacent layer is contrary；The twisting pitch of every layer is 10～25 times of aluminum-alloy wire diameter in this layer.
Further, a kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterized in that described conductor is made up of multilamellar, in adjacent layer: the twisting pitch of outer layer aluminum-alloy wire is bigger than the twisting pitch of unlined aluminium B alloy wire, and the twisting pitch of outer layer aluminum-alloy wire is 2～4 times of twisting pitch of unlined aluminium B alloy wire.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the model of described aluminum-alloy wire is 8A07 or 8030 or LHA1 or LHA2.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that when the tensile strength of described aluminum-alloy wire is 120～155MPa, minimum elongation at break is 8%, 20 DEG C, maximum resistivity is 29.7n Ω m；The max line coefficient of expansion of described aluminum-alloy wire is 2.3 × 10-5(1/ DEG C).
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that described aluminum-alloy wire is made up of the raw material of following weight portion: silicon: 0.03～0.08 part, ferrum: 0.2～0.42 part, copper: 0.2～0.3 part, magnesium: 0.06～0.2 part, zirconium: 0.1～0.3 part, zinc: 0.01～0.04 part, boron: 0.01～0.03 part, platinum: 0.01～0.05 part, titanium: 0.01～0.1 part, tungsten: 0.01～0.05 part, manganese: 0.01～0.03 part, surplus be aluminum；Wherein, magnesium and silicon mass ratio are (1.50～2.00): 1.
Further, the tensile strength minima of aluminum-alloy wire described above be 305MPa, minimum elongation at break when being 3.8%, 20 DEG C maximum resistivity be 32.5n Ω m, the max line coefficient of expansion be 2.15 × 10-5(1/ DEG C), 20 DEG C time maximal density be 2.85g/cm3。
In aluminum-alloy wire described above, zirconium and aluminum form three calorize zirconium compoundss, enable aluminum alloy to middle recrystal grain and have obtained effective refinement；Magnesium silicon ratio (1.50～2.00): 1, silication magnesium dioxide hardening constituent is defined in enabling aluminum alloy to, when the subsequent heat treatment same for aluminium alloy, compared with this intensity of aluminum alloy compares aluminium alloy not in this range with magnesium silicon after tested, intensity improves 30～40MPa, wherein magnesium silicon about improves 30MPa than intensity during 1.50:1, magnesium silicon about improves 31MPa than intensity during 2.00:1, magnesium silicon improves 50MPa than intensity during 1.80:1, magnesium silicon ratio is from 1.50:1 to 1.80:1, intensity increases journey ascendant trend, magnesium silicon ratio is from 2.00:1 to 1.80:1, intensity increases journey ascendant trend, described magnesium silicon ratio refers to mass ratio；In aluminum-alloy wire described above, the addition of platinum makes resistivity be greatly reduced.
Applicant has made detailed detection for the aluminum-alloy wire of formula as below, and described aluminum-alloy wire is made up of the raw material of following weight portion: silicon: 0.05 part, ferrum: 0.2～0.42 part, copper: 0.2～0.3 part, magnesium: 0.09 part, zirconium: 0.1～0.3 part, zinc: 0.01～0.04 part, boron: 0.01～0.03 part, platinum: 0.01～0.05 part, titanium: 0.01～0.1 part, tungsten: 0.01～0.05 part, manganese: 0.01～0.03 part, surplus be aluminum；I.e. magnesium and silicon mass ratio are 1.8:1；When the tensile strength minima of the aluminum-alloy wire recorded is 337MPa, minimum elongation at break is 4.6%, 20 DEG C maximum resistivity be 30.2n Ω m, the max line coefficient of expansion be 2.13 × 10-5(1/ DEG C), 20 DEG C time maximal density be 2.65g/cm3。
Conductor in the cable of the present invention, has excellent acidproof, alkaline-resisting, water-fast and antioxygenic property, and maintaining requirement is extremely low, does not worries oxidation and etching problem；And there is extremely strong heat resistance, it is not influenced by temperature in the range of expanding and being contracted in-100～300 DEG C.
A kind of soft type high tension cable for new forms of energy car described in any of the above-described embodiment, it is characterised in that the thickness of described insulating barrier is 0.5～3.0mm；More typical thickness is 0.5mm or 0.7mm or 0.8mm or 1.0mm or 1.5mm or 2.0mm or 3.0mm.
Certainly, as improving further, in the present invention, in above-mentioned embodiment 3, the material of belting layer can also is that metal tape such as copper strips or aluminium strip or aluminum alloy strip or steel band, band one direction in the way of having overlap joint is wound on outside conductor spirally, front and back have between spiral overlap joint make conductor externally without exposure at；The most aluminum-alloy wires of conductor can be stranded, it is also possible to is placed in parallel, and so makes conductor binding constraint be integrated；Do not scatter during alternating bending；Protection for conductor is more thoughtful, and outside slight damage does not interferes with the performance of inner conductor.
Certainly, as improving further, in the present invention, in above-mentioned embodiment 2, the material of belting layer can also is that metal tape such as copper strips or aluminium strip or aluminum alloy strip or steel band, outside in the way of band is adjacent between without spiral overlap joint, adjacent, one direction is wound on conductor spirally so that conductor externally without exposure at；The most aluminum-alloy wires of conductor can be stranded, it is also possible to is placed in parallel, and so makes conductor binding constraint be integrated；Do not scatter during alternating bending；Protection for conductor is more thoughtful, and outside slight damage does not interferes with the performance of inner conductor.
Certainly, as improving further, in the present invention, in above-mentioned embodiment 1, the material of core band and outer layer band can be metal tape such as copper strips or aluminium strip or aluminum alloy strip or steel band；Internal layer is outer and the outer layer band place of overlapping is combined by knotting, so makes conductor be difficult to scatter, makes conductor structure more stable, and cable performance is more excellent.
In the present invention, owing to conductor employing aluminum-alloy wire, aluminum-alloy wire can accomplish than aluminium wire diameter is thinner but intensity is higher, therefore can the most stranded production, twisting speed is 3～5 times of aluminium wire, is 2～3 times of copper wire；Therefore cable is more soft, more flexible, be more easy to lay in narrow space, more can high current capacity high pressure resistant, resistance to, high temperature resistant, more resistant to acid/base/aqueous corrosion, will not aoxidize；There is less thermal coefficient of expansion, after making cable, be not influenced by temperature in the range of expanding and being contracted in-100～300 DEG C, can keep integrated with insulating barrier；Creep-resistant property is more preferable.In the present invention, cable insulation and restrictive coating all use 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or TPU or cross-linking radiation polyolefin, can effectively act as fire retardation, use in the narrow space of electric automobile, bending freely, has no that insulating barrier and sheath cracking phenomena occur.
Thermoplastic elastomer (TPE) TPE(ThermoplasticElastomer in the present invention) it is a kind of high resiliency with rubber, high intensity, high resilience, having again can the material of feature of injection molding；The 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE used in the application can buy in companies such as LASTO, POLYONE.
TPU (Thermoplasticpolyurethanes) entitled Polyurethane Thermoplastic Elastomer rubber；The 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers used in the application can buy in companies such as LASTO, POLYONE, SK, Changshu Zhong Lian new material company limiteies.The TPU used in the application water resistance under muddiness is good, will not occur substantially to hydrolyze in 1～2 year；It addition, cable in use the application with do compatibility test with kerosene, gasoline, hydraulic oil, machine oil, lubricating oil etc., other parts in cable are all peeled off, only remain restrictive coating, through the immersion of 90 days, do not find mutual erosion with oil product.
Therefore, the present invention has a following main beneficial effect: more soft, more flexible, be more easy to that construction, deadweight are lighter, cost is lower, more can electric current high pressure resistant, big, electrical Interference high temperature resistant, anti-；Flame retardant effect is more preferably, bending resistance is more excellent, it is safer to use.
The present invention is not limited to above-mentioned preferred forms, it will be appreciated that the design of the present invention can be implemented to use by other various forms, and they also fall within protection scope of the present invention.

Claims (10)

1. the soft type high tension cable for new forms of energy car, including conductor, the band being coated on outside conductor, the insulating barrier overlayed on outside band, the one side aluminium foil layer being coated on outside insulating barrier 3, it is coated on the screen layer outside one side aluminium foil layer, extrusion molding is coated on the restrictive coating outside screen layer, the material of described insulating barrier is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the material of described restrictive coating is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the conductive aluminum foil face of described one side aluminium foil layer is that the outer surface with insulating barrier contacts；The rated operational voltage of described cable is 1500V, Long-term service temperature≤125 DEG C of cable, ambient temperature >=-40 DEG C during cable laying, cable is continuous-stable working time >=6h at temperature is 175 DEG C, the minimum bending radius of cable is 8 times of the outside diameter of cable, it is characterized in that described conductor is that the aluminum-alloy wire by many a diameter of 0.01～0.60mm is stranded, the cross-sectional area of described conductor is 1.0～150mm2；Described band one direction in the way of having overlap joint is wound on outside conductor spirally, and the width of overlap joint is 0.1～0.2 times of band width；The material of band be thickness be waterstop or non-woven fabrics or glass fiber tape or mica tape or the polyester belt that thickness is 0.03～0.10mm of 0.15～0.30mm；Described aluminum-alloy wire is made up of the raw material of following weight portion: silicon: 0.03～0.08 part, ferrum: 0.2～0.42 part, copper: 0.2～0.3 part, magnesium: 0.06～0.2 part, zirconium: 0.1～0.3 part, zinc: 0.01～0.04 part, boron: 0.01～0.03 part, platinum: 0.01～0.05 part, titanium: 0.01～0.1 part, tungsten: 0.01～0.05 part, manganese: 0.01～0.03 part, also include aluminum；Wherein, magnesium and silicon mass ratio are (1.50～2.00): 1；When the tensile strength minima of described aluminum-alloy wire is 305MPa, minimum elongation at break is 3.8%, 20 DEG C maximum resistivity be 32.5n Ω m, the max line coefficient of expansion be 2.15 × 10-5(1/ DEG C), 20 DEG C time maximal density be 2.85g/cm3。
A kind of soft type high tension cable for new forms of energy car the most according to claim 1, it is characterised in that the thickness of described one side aluminium foil layer is 0.05～0.5mm.
3. according to a kind of soft type high tension cable for new forms of energy car described in claim 1 or claim 2, it is characterised in that the thickness of described one side aluminium foil layer is 0.05mm or 0.08mm or 0.10mm or 0.12mm or 0.15mm or 0.20mm or 0.20mm or 0.25mm or 0.30mm or 0.40mm or 0.45mm.
A kind of soft type high tension cable for new forms of energy car the most according to claim 3, it is characterised in that described screen layer is the woven shield formed by metal wire knitted band cladding or is coated on outside one side aluminium foil layer the semi-conductive shield formed by semiconductor composite extrusion molding.
5. according to a kind of soft type high tension cable for new forms of energy car described in claim 1 or claim 2, it is characterised in that described screen layer is the woven shield formed by metal wire knitted band cladding or is coated on outside one side aluminium foil layer the semi-conductive shield formed by semiconductor composite extrusion molding.
A kind of soft type high tension cable for new forms of energy car the most according to claim 4, it is characterised in that the thickness of described restrictive coating is 0.8～3.0mm.
A kind of soft type high tension cable for new forms of energy car the most according to claim 6, it is characterised in that described conductor is made up of multilamellar, is formed by many aluminum-alloy wires are stranded in every layer, and the direction of lay between adjacent layer is contrary；The twisting pitch of every layer is 10～25 times of aluminum-alloy wire diameter in this layer.
A kind of soft type high tension cable for new forms of energy car the most according to claim 7, it is characterized in that described conductor is made up of multilamellar, in adjacent layer: the twisting pitch of outer layer aluminum-alloy wire is bigger than the twisting pitch of unlined aluminium B alloy wire, and the twisting pitch of outer layer aluminum-alloy wire is 2～4 times of twisting pitch of unlined aluminium B alloy wire.
9. according to a kind of soft type high tension cable for new forms of energy car described in claim 1 or claim 2 or claim 4 or claim 6 or claim 7 or claim 8, it is characterised in that the thickness of described insulating barrier is 0.5～3.0mm.
10. according to a kind of soft type high tension cable for new forms of energy car described in claim 3 or claim 5, it is characterised in that the thickness of described insulating barrier is 0.5～3.0mm.
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