CN106098232B - A kind of electric vehicle inside connection high-tension cable and preparation method thereof - Google Patents

A kind of electric vehicle inside connection high-tension cable and preparation method thereof Download PDF

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Publication number
CN106098232B
CN106098232B CN201610469818.7A CN201610469818A CN106098232B CN 106098232 B CN106098232 B CN 106098232B CN 201610469818 A CN201610469818 A CN 201610469818A CN 106098232 B CN106098232 B CN 106098232B
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China
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layer
aluminium wire
conductor
diameter
aluminium
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CN201610469818.7A
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CN106098232A (en
Inventor
王笑梅
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State Grid Corp of China SGCC
Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd
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State Grid Corp of China SGCC
Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/006—Constructional features relating to the conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/148—Selection of the insulating material therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
    • 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
    • H01B7/0275—Disposition of insulation comprising one or more extruded layers 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/187—Sheaths comprising extruded non-metallic layers
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention belongs to technical field of cables, it is related to a kind of electric vehicle inside connection high-tension cable, including conductor, band, insulating layer, restrictive coating, it is characterized in that conductor is made of the soft aluminium wire of the 5th class of more annealed processing or zinc-plated aluminium wire or tin plating aluminium wire, the cross-sectional area of the conductor is 1.5~120 mm sqs, the material of the insulating layer is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin, and the material of the restrictive coating is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers；Conductor is made up of multiple layers, and the direction of lay between adjacent layer is opposite, outer layer twisting pitch is bigger than internal layer twisting pitch, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire.Present invention further teaches the production methods of the cable.The following main advantageous effect of present invention tool：It is more soft, more flexible, be more easy to that construction, dead weight is lighter, cost is lower, more resistant to high pressure, high current, high temperature resistant, anti-electrical Interference；Flame retardant effect is more preferable, bending resistance is more excellent, using safer.

Description

A kind of electric vehicle inside connection high-tension cable and preparation method thereof
The application is entitled：Connection high-tension cable and preparation method thereof, the applying date are inside a kind of electric vehicle： On November 17th, 2014, application No. is：201410650188.4 application for a patent for invention divisional application.
Technical field
The invention belongs to electric vehicle and technical field of cables, more particularly, to connection high-voltage electricity inside a kind of electric vehicle Cable and preparation method thereof.
Background technology
Automotive interior is a kind of for electric connection line, the primary high-voltage transmission for vehicle interior with high pressure connecting cable.It is logical Letter power supply not only requires good flexibility with flexible cable, so as to convenient deposited in narrow space or in the case of similar And if require ideal anti-flammability, to adapt to the requirement of higher fire-protection rating.
The cable for car overwhelming majority uses copper conductor both at home and abroad at present, and copper conductor itself is heavier, and flexibility is poor； Domestic and international generally use communication power supply carries out replacement use with flexible cable.
Technical information about communication power supply flexible cable can be seen in disclosed Chinese patent literature, such as CN201247632Y recommendations have " the fire-retardant, fire resisting of communication power supply, shielding anti-interference flexible cable ", CN201302849Y to be provided with A kind of " poly- second of communication power supply flame-proof cross-linking is disclosed in " a kind of communication power supply flame-retardant refractory flexible electric cable ", CN202230791Y Alkene insulated cable ", CN202720953U introduce have the shoe flame-retardant shielding flexible cable of communication power supply " be used for ", CN202855416U announcements have " a kind of communication power supply disclosed in " communication power supply fire-resistant shield flexible cable " and CN202601277U With flame-retardant flexible electric cable ", etc..
Although communication power supply flexible cable in the prior art respectively has corresponding technique effect, there are following common Defect：(1) due to being using twisted thin copper wire as conductor, softness can not meet desired requirement.And due to Pliability is poor and bending radius is made to be restricted, thus hinders or even talk in a roundabout way in narrow space, by immovable object When the occasion laying at place etc, speed of application, occasion especially smaller in spaces such as vehicles are easily influenced；(2) due in skill Generally select the conductor for using copper as flexible cable under art prejudice, thus not there is only reasonable employment raw material in terms of blindness, and And cause the manufacturing cost of flexible cable big；Third, since copper density is big, therefore cable weight is heavier, thus not only logistics transportation, storehouse It is of high cost in storage link, and construction personnel's labor intensity is big in laid processes, consumed high labor cost.
Our company application application No. is：2014104424205 and entitled：A kind of " electricity with super soft aluminium conductor With high pressure connecting cable and preparation method thereof inside electrical automobile ", application No. is：2014104424313 and entitled：" have super With high pressure connecting cable and production method inside the electric vehicle of soft aluminium conductor ", application No. is：2014104424328 and name Referred to as：In " with double sheath high pressure connecting cables and production method inside the electric vehicle with ultra-soft aluminum conductor " patent, sheath The material of layer is still not ideal enough, therefore softness, flame retardant property etc. still have the space of promotion.
In view of above-mentioned prior art, still there is improved necessity, the applicant has made beneficial design thus, forms following The technical solution that will be introduced.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is disclose inside a kind of electric vehicle connection high-tension cable and and its Production method, they are realized using following technical scheme.
In the first embodiment of the present invention, connection high-tension cable inside a kind of electric vehicle, including conductor, be coated on Band outside conductor, insulating layer, the extrusion molding being coated in outside band are coated on the restrictive coating outside insulating layer, it is characterised in that described to lead The conductor that body is made of the 5th soft aluminium wire of class of more a diameter of 0.05~0.60mm of annealed processing or described be by The zinc-plated aluminium wire composition of more a diameter of 0.05~0.60mm the or described conductor is by more a diameter of 0.05~0.60mm Tin plating aluminium wire composition, the cross-sectional area of the conductor is 1.5mm2~120mm2, the material of the insulating layer is 125 DEG C of rings The material of environment friendly flame-retardant cross-linking radiation polyolefin, the restrictive coating is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers；The conductor It is made up of multiple layers, is twisted by the soft aluminium wire of more 5th classes or more zinc-plated aluminium wires or more tin plating aluminium wires in every layer, and phase Direction of lay between adjacent bed is opposite；Every layer of twisting pitch is 10~25 times of aluminium wire diameter in this layer；In adjacent layer：Outer layer The twisting pitch of aluminium wire is bigger than the twisting pitch of internal layer aluminium wire, and the twisting pitch of outer layer aluminium wire is the twisting pitch of internal layer aluminium wire 2~4 times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；The rated operational voltage of the cable is 1500V, Long-term service temperature≤125 DEG C of cable, environment temperature >=-40 DEG C when cable laying, cable is in the case where temperature is 175 DEG C Stream time >=6h, the minimum bending radius of cable are 5 times of the outside diameter of cable.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that its production method comprising below according to The step of secondary progress：
The first step：The step of forming conductor：First take the soft aluminium wire of the 5th class or diameter of more a diameter of 0.05~0.60mm It is twisted for the zinc-plated aluminium wire of 0.05~0.60mm or the tin plating aluminium wire progress one direction of a diameter of 0.05~0.60mm and forms first Conductor layer；The soft aluminium wire of the 5th class of more a diameter of 0.05~0.60mm or the zinc-plated aluminium wire of a diameter of 0.05~0.60mm are taken again Or the tin plating aluminium wire of a diameter of 0.05~0.60mm carries out that one direction is twisted to form the second conductor layer outside the first conductor layer；Then In the zinc-plated aluminium wire or diameter of the soft aluminium wire of the 5th class or a diameter of 0.05~0.60mm that take more a diameter of 0.05~0.60mm Carry out that one direction is twisted to form third conductor layer the second conductor is outer layer by layer for the tin plating aluminium wire of 0.05~0.60mm；Class successively It pushes away, is 1.5mm until forming cross-sectional area2~120mm2Conductor；Wherein, the twisted side of the aluminium wire between adjacent conductor layer To on the contrary, the twisting pitch of each conductor layer is 10~25 times of aluminium wire diameter in this layer, outer layer aluminium wire in adjacent conductor layer Twisting pitch it is bigger than the twisting pitch of internal layer aluminium wire, and the twisting pitch of outer layer aluminium wire is the 2 of the twisting pitch of internal layer aluminium wire ~4 times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；In adjacent layer, the radical and internal layer of outer layer aluminium wire The radical of aluminium wire can be as many or the radical of outer layer aluminium wire is more than the radical of internal layer aluminium wire；
Second step：The step of forming band：Waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape are taken, with The mode helical coated of winding forms band outside the conductor that the first step is formed；
Third walks：The step of forming insulating layer：125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE material extrusion moldings are coated on Except the band that second step is formed, the thickness of insulating layer is 0.5~3.0mm；Form insulating layer；
4th step：The step of forming restrictive coating：Third walk outside the insulating layer to be formed extrusion molding cladding thickness be 0.8~ 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer materials of 3.0mm form restrictive coating；And then complete connection inside electric vehicle With the manufacture of high-tension cable.
In the second embodiment of the present invention, connection high-tension cable inside a kind of electric vehicle, including conductor, be coated on and lead External band, the single side aluminium foil layer being coated on outside insulating layer, is coated on outside single side aluminium foil layer the insulating layer being coated in outside band Shielded layer, extrusion molding be coated on the restrictive coating outside shielded layer, it is characterised in that the conductor is straight by more of annealed processing The soft aluminium wire composition of the 5th class that diameter is 0.05~0.60mm the or described conductor is by more a diameter of 0.05~0.60mm What zinc-plated aluminium wire composition the or described conductor was made of the tin plating aluminium wire of more a diameter of 0.05~0.60mm, the conductor Cross-sectional area be 1.5mm2~120mm2, the material of the insulating layer is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin, described The material of restrictive coating is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, and the conductive aluminum foil face of the single side aluminium foil layer is and insulation What the outer surface of layer was in contact；The conductor is made up of multiple layers, by the soft aluminium wire of more 5th classes or more zinc-plated aluminium wires in every layer Or more tin plating aluminium wires are twisted, and the direction of lay between adjacent layer is opposite；Every layer of twisting pitch is aluminium wire in the layer 10~25 times of diameter；In adjacent layer：The twisting pitch of outer layer aluminium wire is bigger than the twisting pitch of internal layer aluminium wire, and outer layer aluminium wire Twisting pitch is 2~4 times of the twisting pitch of internal layer aluminium wire；In adjacent layer, the diameter of the diameter of outer layer aluminium wire than internal layer aluminium wire Greatly；The rated operational voltage of the cable is 1500V, Long-term service temperature≤125 DEG C of cable, environment temperature when cable laying >=-40 DEG C, stream time >=6h at cable is 175 DEG C in temperature, the minimum bending radius of cable is the 8 of the outside diameter of cable Times.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that its production method includes following The step of carrying out successively：
The first step：The step of forming conductor：First take the soft aluminium wire of the 5th class or diameter of more a diameter of 0.05~0.60mm It is twisted for the zinc-plated aluminium wire of 0.05~0.60mm or the tin plating aluminium wire progress one direction of a diameter of 0.05~0.60mm and forms first Conductor layer；The soft aluminium wire of the 5th class of more a diameter of 0.05~0.60mm or the zinc-plated aluminium wire of a diameter of 0.05~0.60mm are taken again Or the tin plating aluminium wire of a diameter of 0.05~0.60mm carries out that one direction is twisted to form the second conductor layer outside the first conductor layer；Then In the zinc-plated aluminium wire or diameter of the soft aluminium wire of the 5th class or a diameter of 0.05~0.60mm that take more a diameter of 0.05~0.60mm Carry out that one direction is twisted to form third conductor layer the second conductor is outer layer by layer for the tin plating aluminium wire of 0.05~0.60mm；Class successively It pushes away, is 1.5mm until forming cross-sectional area2~120mm2Conductor；Wherein, the twisted side of the aluminium wire between adjacent conductor layer To on the contrary, the twisting pitch of each conductor layer is 10~25 times of aluminium wire diameter in this layer, outer layer aluminium wire in adjacent conductor layer Twisting pitch it is bigger than the twisting pitch of internal layer aluminium wire, and the twisting pitch of outer layer aluminium wire is the 2 of the twisting pitch of internal layer aluminium wire ~4 times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；In adjacent layer, the radical and internal layer of outer layer aluminium wire The radical of aluminium wire can be as many or the radical of outer layer aluminium wire is more than the radical of internal layer aluminium wire；
Second step：The step of forming band：Waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape are taken, with The mode helical coated of winding forms band outside the conductor that the first step is formed；
Third walks：The step of forming insulating layer：125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE material extrusion moldings are coated on Except the band that second step is formed, the thickness of insulating layer is 0.5~3.0mm；Form insulating layer；
4th step：The step of forming single side aluminium foil layer：It is the single side aluminium foil of 0.05~0.5mm to take thickness, by conductive aluminum foil Face is close to third and walks the insulating layer to be formed, and so that single side aluminium foil is longitudinally coated on outside insulating layer and forms single side aluminium foil layer；
5th step：The step of forming shielded layer：It takes and the single side aluminium foil layer that the 4th step is formed is coated on by metal wire knitted band Except form shielded layer, or semiconductor composite extrusion molding is coated on outside single side aluminium foil layer and forms shielded layer；
6th step：The step of forming restrictive coating：The 5th step formed shielded layer outside extrusion molding cladding thickness be 0.8~ 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer materials of 3.0mm form restrictive coating；And then complete connection inside electric vehicle With the manufacture of high-tension cable.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that the thickness of the restrictive coating is 0.8~3.0mm；More typical thickness be 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.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that the thickness of the insulating layer 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.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that the material of the band is resistance Water band or non-woven fabrics or polyester belt or glass fiber tape or mica tape.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that the band is to wind Mode helical coated outside conductor.
Compared with prior art, the present invention since aluminium wire is more soft than copper wire, and the soft aluminium wire in the present invention is different from one As in aluminium cable in industry using the duralumin for having a kind of or two class conductors, therefore the present invention has more soft technology Effect substantially increases the pliability of whole cable, is laid convenient for bending in cable in the car narrow space；In addition, aluminium wire Compared with copper wire, aluminium wire is not oxidizable；Due to aluminium density compared to copper it is low, cable is lighter, material cost and transport at This Geng Sheng, more easy to install and laying；In the present invention, cable insulation uses 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin, can have Play fire retardation to effect；The coat layer of power cable uses 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, can effectively act as fire-retardant It acts on and plays extremely excellent bending resistance, used in the narrow space of electric vehicle, bending freely, has no shield Cover cracking phenomena；When in use, embodiment 1 and embodiment 2 are sheath layer thickness is 0.8mm, cable is 120mm flat Fang Shi appoints and takes 1 meter, and one end is fixed, other end extension weighs 50 kilograms, is turned round for one with forward 360 degree, homing, reverse 360 degree Turn cycle, has no that restrictive coating cracks by continuous 100 times experiments；Appoint and take 3 meters, one end fixes, hung below the other end weigh 50 kilograms, Place the chuck of a diameter of 250mm between the other end at one end, chuck, homing, reverse is pushed down in one end with forward 90 degree It is a cycle that 90 degree, which are pushed down chuck, has no that restrictive coating cracks by continuous 300 alternating bending tests, therefore, present invention tool There are excellent bending resistance and torsional property.
Therefore, the present invention has following main advantageous effect：It is more soft, more flexible, be more easy to construction, dead weight it is lighter, at This is lower, more resistant to high pressure, high current, high temperature resistant, anti-electrical Interference；Flame retardant effect is more preferable, bending resistance is more excellent, using more Safety.
Description of the drawings
Fig. 1 is the cross-sectional structure schematic diagram of embodiment 1 of the present invention.
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 3 of the present invention.
Specific implementation mode
Embodiment 1
Referring to Fig.1, connection high-tension cable inside a kind of electric vehicle, including conductor 1, be coated on outside conductor 1 band 2, Insulating layer 3, the extrusion molding being coated in outside band 2 are coated on the restrictive coating 4 outside insulating layer 3, it is characterised in that the conductor 1 is by passing through The soft aluminium wire composition of the 5th class of more a diameter of 0.05~0.60mm of annealing the or described conductor 1 is by more diameters For 0.05~0.60mm zinc-plated aluminium wire form or the conductor 1 be by the tin plating aluminium of more a diameter of 0.05~0.60mm Silk composition, the cross-sectional area of the conductor is 1.5mm2~120mm2, the material of the insulating layer 3 is 125 DEG C of environmental protection flame retardant spokes According to cross-linked polyolefin, the material of the restrictive coating 4 is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers；The conductor is by multilayer structure At being twisted by the soft aluminium wire of more 5th classes or more zinc-plated aluminium wires or more tin plating aluminium wires in every layer, and between adjacent layer Direction of lay it is opposite；Every layer of twisting pitch is 10~25 times of aluminium wire diameter in this layer；In adjacent layer：The strand of outer layer aluminium wire The twisting pitch for closing pitch ratio internal layer aluminium wire is big, and the twisting pitch of outer layer aluminium wire is the 2~4 of the twisting pitch of internal layer aluminium wire Times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；The rated operational voltage of the cable is 1500V, electricity Long-term service temperature≤125 DEG C of cable, environment temperature >=-40 DEG C when cable laying, continuous work at cable is 175 DEG C in temperature Time >=6h, the minimum bending radius of cable are 5 times of the outside diameter of cable.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that its production method comprising below according to The step of secondary progress：
The first step：The step of forming conductor：First take the soft aluminium wire of the 5th class or diameter of more a diameter of 0.05~0.60mm It is twisted for the zinc-plated aluminium wire of 0.05~0.60mm or the tin plating aluminium wire progress one direction of a diameter of 0.05~0.60mm and forms first Conductor layer；The soft aluminium wire of the 5th class of more a diameter of 0.05~0.60mm or the zinc-plated aluminium wire of a diameter of 0.05~0.60mm are taken again Or the tin plating aluminium wire of a diameter of 0.05~0.60mm carries out that one direction is twisted to form the second conductor layer outside the first conductor layer；Then In the zinc-plated aluminium wire or diameter of the soft aluminium wire of the 5th class or a diameter of 0.05~0.60mm that take more a diameter of 0.05~0.60mm Carry out that one direction is twisted to form third conductor layer the second conductor is outer layer by layer for the tin plating aluminium wire of 0.05~0.60mm；Class successively It pushes away, is 1.5mm until forming cross-sectional area2~120mm2Conductor；Wherein, the twisted side of the aluminium wire between adjacent conductor layer To on the contrary, the twisting pitch of each conductor layer is 10~25 times of aluminium wire diameter in this layer, outer layer aluminium wire in adjacent conductor layer Twisting pitch it is bigger than the twisting pitch of internal layer aluminium wire, and the twisting pitch of outer layer aluminium wire is the 2 of the twisting pitch of internal layer aluminium wire ~4 times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；In adjacent layer, the radical and internal layer of outer layer aluminium wire The radical of aluminium wire can be as many or the radical of outer layer aluminium wire is more than the radical of internal layer aluminium wire；
Second step：The step of forming band：Waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape are taken, with The mode helical coated of winding forms band outside the conductor that the first step is formed；
Third walks：The step of forming insulating layer：125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE material extrusion moldings are coated on Except the band that second step is formed, the thickness of insulating layer is 0.5~3.0mm；Form insulating layer；
4th step：The step of forming restrictive coating：Third walk outside the insulating layer to be formed extrusion molding cladding thickness be 0.8~ 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer materials of 3.0mm form restrictive coating；And then complete connection inside electric vehicle With the manufacture of high-tension cable.
Embodiment 2
See Fig. 2, connection high-tension cable inside a kind of electric vehicle, including conductor 1, be coated on outside conductor 1 band 2, The insulating layer 3 that is coated in outside band 2, the single side aluminium foil layer 5 being coated on outside insulating layer 3, the shielding being coated on outside single side aluminium foil layer 5 Layer 6, extrusion molding are coated on the restrictive coating 4 outside shielded layer 6, it is characterised in that the conductor 1 is the more diameters by annealed processing For 0.05~0.60mm the 5th class soft aluminium wire composition or the conductor 1 be by the plating of more a diameter of 0.05~0.60mm What zinc-aluminium silk composition the or described conductor 1 was made of the tin plating aluminium wire of more a diameter of 0.05~0.60mm, the conductor Cross-sectional area be 1.5mm2~120mm2, the material of the insulating layer 3 is 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin, described The material of restrictive coating 4 is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the conductive aluminum foil face of the single side aluminium foil layer be with absolutely What the outer surface of edge layer was in contact；The conductor is made up of multiple layers, by the soft aluminium wire of more 5th classes or more plating zinc-aluminiums in every layer Silk or more tin plating aluminium wires are twisted, and the direction of lay between adjacent layer is opposite；Every layer of twisting pitch is aluminium in the layer 10~25 times of silk diameter；In adjacent layer：The twisting pitch of outer layer aluminium wire is bigger than the twisting pitch of internal layer aluminium wire, and outer layer aluminium wire Twisting pitch be 2~4 times of twisting pitch of internal layer aluminium wire；In adjacent layer, the diameter of outer layer aluminium wire is more straight than internal layer aluminium wire Diameter is big；The rated operational voltage of the cable is 1500V, Long-term service temperature≤125 DEG C of cable, environment temperature when cable laying >=-40 DEG C of degree, stream time >=6h at cable is 175 DEG C in temperature, the minimum bending radius of cable is the 8 of the outside diameter of cable Times.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that its production method comprising below according to The step of secondary progress：
The first step：The step of forming conductor：First take the soft aluminium wire of the 5th class or diameter of more a diameter of 0.05~0.60mm It is twisted for the zinc-plated aluminium wire of 0.05~0.60mm or the tin plating aluminium wire progress one direction of a diameter of 0.05~0.60mm and forms first Conductor layer；The soft aluminium wire of the 5th class of more a diameter of 0.05~0.60mm or the zinc-plated aluminium wire of a diameter of 0.05~0.60mm are taken again Or the tin plating aluminium wire of a diameter of 0.05~0.60mm carries out that one direction is twisted to form the second conductor layer outside the first conductor layer；Then In the zinc-plated aluminium wire or diameter of the soft aluminium wire of the 5th class or a diameter of 0.05~0.60mm that take more a diameter of 0.05~0.60mm Carry out that one direction is twisted to form third conductor layer the second conductor is outer layer by layer for the tin plating aluminium wire of 0.05~0.60mm；Class successively It pushes away, is 1.5mm until forming cross-sectional area2~120mm2Conductor；Wherein, the twisted side of the aluminium wire between adjacent conductor layer To on the contrary, the twisting pitch of each conductor layer is 10~25 times of aluminium wire diameter in this layer, outer layer aluminium wire in adjacent conductor layer Twisting pitch it is bigger than the twisting pitch of internal layer aluminium wire, and the twisting pitch of outer layer aluminium wire is the 2 of the twisting pitch of internal layer aluminium wire ~4 times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；In adjacent layer, the radical and internal layer of outer layer aluminium wire The radical of aluminium wire can be as many or the radical of outer layer aluminium wire is more than the radical of internal layer aluminium wire；
Second step：The step of forming band：Waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape are taken, with The mode helical coated of winding forms band outside the conductor that the first step is formed；
Third walks：The step of forming insulating layer：125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE material extrusion moldings are coated on Except the band that second step is formed, the thickness of insulating layer is 0.5~3.0mm；Form insulating layer；
4th step：The step of forming single side aluminium foil layer：It is the single side aluminium foil of 0.05~0.5mm to take thickness, by conductive aluminum foil Face is close to third and walks the insulating layer to be formed, and so that single side aluminium foil is longitudinally coated on outside insulating layer and forms single side aluminium foil layer；
5th step：The step of forming shielded layer：It takes and the single side aluminium foil layer that the 4th step is formed is coated on by metal wire knitted band Except form shielded layer, or semiconductor composite extrusion molding is coated on outside single side aluminium foil layer and forms shielded layer；
6th step：The step of forming restrictive coating：The 5th step formed shielded layer outside extrusion molding cladding thickness be 0.8~ 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer materials of 3.0mm form restrictive coating；And then complete connection inside electric vehicle With the manufacture of high-tension cable.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that the thickness of the single side aluminium foil layer Degree 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.
Connection high-tension cable inside a kind of electric vehicle described above, it is characterised in that the shielded layer is by metal Silk braid over braid coats the woven shield to be formed or is coated on half formed outside single side aluminium foil layer by semiconductor composite extrusion molding Conductor shield.
Connection high-tension cable inside a kind of electric vehicle described in any of the above-described embodiment, it is characterised in that described The thickness of restrictive coating 4 is 0.8~3.0mm；More typical thickness be 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.
Connection high-tension cable inside a kind of electric vehicle described in any of the above-described embodiment, it is characterised in that described The thickness of insulating layer is 0.5~3.0mm；More typical thickness be 0.5mm or 0.7mm or 0.8mm or 1.0mm or 1.5mm or 2.0mm or 3.0mm.
Connection high-tension cable inside a kind of electric vehicle described in any of the above-described embodiment, it is characterised in that described The material of band is waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape.
Connection high-tension cable inside a kind of electric vehicle described in any of the above-described embodiment, it is characterised in that described Band be in a manner of winding helical coated outside conductor.
Connection high-tension cable inside a kind of electric vehicle described in any of the above-described embodiment, it is characterised in that described Conductor, in adjacent layer, the radical of outer layer aluminium wire and the radical of internal layer aluminium wire can be as many or the radical of outer layer aluminium wire It is more than the radical of internal layer aluminium wire；As many case where, makes not error-prone when production equipment is simpler, operator manufactures.
Certainly, connection high-tension cable inside a kind of electric vehicle in embodiment 1, can also be include conductor 1, be coated on Band 2 outside conductor 1, insulating layer 3, the extrusion molding being coated in outside band 2 are coated on the restrictive coating 4 outside insulating layer 3, it is characterised in that It is that the conductor 1 is made of the 5th soft aluminium wire of class of more a diameter of 0.05~0.60mm of annealed processing or described lead The conductor that body 1 is made of the zinc-plated aluminium wire of more a diameter of 0.05~0.60mm or described 1 is by more a diameter of 0.05 The tin plating aluminium wire composition of~0.60mm, the cross-sectional area of the conductor is 1.5mm2~120mm2, the material of the insulating layer 3 Material for 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin, the restrictive coating 4 is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers TPU；The soft aluminium wire of more 5th classes or more zinc-plated aluminium wires or more tin plating aluminium wires in the conductor are placed in parallel；It is described The rated operational voltage of cable is 1500V, Long-term service temperature≤125 DEG C of cable, environment temperature >=-40 when cable laying DEG C, stream time >=6h at cable is 175 DEG C in temperature, the minimum bending radius of cable is 5 times of the outside diameter of cable.
Certainly, connection high-tension cable inside a kind of electric vehicle in embodiment 2, can also be include conductor 1, be coated on Band 2 outside conductor 1, the single side aluminium foil layer 5 being coated on outside insulating layer 3, is coated on single side at the insulating layer 3 being coated in outside band 2 Shielded layer 6, extrusion molding outside aluminium foil layer 5 are coated on the restrictive coating 4 outside shielded layer 6, it is characterised in that the conductor 1 is by annealed The soft aluminium wire composition of the 5th class of more a diameter of 0.05~0.60mm of processing the or described conductor 1 is a diameter of by more The zinc-plated aluminium wire composition of 0.05~0.60mm the or described conductor 1 is by the tin plating aluminium wire of more a diameter of 0.05~0.60mm Composition, the cross-sectional area of the conductor is 1.5mm2~120mm2, the material of the insulating layer 3 is that 125 DEG C of environmental protection flame retardants irradiate The material of cross-linked polyolefin, the restrictive coating 4 is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, and the single side aluminium foil layer is led Electric aluminium foil surface is in contact with the outer surface of insulating layer；The conductor is by by the soft aluminium wire of more 5th classes or more zinc-plated aluminium wires Or more tin plating aluminium wires are placed in parallel；The rated operational voltage of the cable is 1500V, the Long-term service temperature of cable≤ 125 DEG C, environment temperature >=-40 DEG C when cable laying, stream time >=6h at cable is 175 DEG C in temperature, cable is most Small-bend radius is 8 times of the outside diameter of cable.
In the present invention, with 2014104424205 and entitled：" inside a kind of electric vehicle with super soft aluminium conductor With high pressure connecting cable and preparation method thereof ", application No. is：2014104424313 and entitled：" there is super soft aluminium conductor Electric vehicle inside with high pressure connecting cable and production method ", application No. is：2014104424328 and entitled：" have With pair sheath high pressure connecting cables and production method inside the electric vehicle of ultra-soft aluminum conductor " patent compares, the aluminium wire in conductor Range bigger, applicant use a diameter of 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.48mm, The aluminium wire of 0.50mm, 0.55mm, 0.60mm are tested, all achieved the effect that it is excellent, wherein a diameter of [0.05mm, 0.10mm) aluminium wire production cable, softness have significantly improves, but defect be produce conductor speed it is slower； It is a diameter of (0.45mm, 0.60mm] aluminium wire production cable, can quickly produce, compared to copper conductor cable still have it is more excellent Softness.
In the present invention, when shielded layer uses semiconductive material, extrusion molding mode greatly accelerates the speed of production of cable, shortens Delivery its.
Compared with prior art, the present invention since aluminium wire is more soft than copper wire, and the soft aluminium wire in the present invention is different from one As in aluminium cable in industry using the duralumin for having a kind of or two class conductors, therefore the present invention has more soft technology Effect substantially increases the pliability of whole cable, is laid convenient for bending in cable in the car narrow space；In addition, aluminium wire Compared with copper wire, aluminium wire is not oxidizable；Due to aluminium density compared to copper it is low, cable is lighter, material cost and transport at This Geng Sheng, more easy to install and laying；In the present invention, cable insulation uses 125 DEG C of environmental protection flame retardant cross-linking radiation polyolefin, can have Play fire retardation to effect；The coat layer of power cable uses 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, can effectively act as fire-retardant It acts on and plays extremely excellent bending resistance, used in the narrow space of electric vehicle, bending freely, has no shield Cover cracking phenomena；When in use, embodiment 1 and embodiment 2 are sheath layer thickness is 0.8mm, cable is 120mm flat Fang Shi appoints and takes 1 meter, and one end is fixed, other end extension weighs 50 kilograms, is turned round for one with forward 360 degree, homing, reverse 360 degree Turn cycle, has no that restrictive coating cracks by continuous 100 times experiments；Appoint and take 3 meters, one end fixes, hung below the other end weigh 50 kilograms, Place the chuck of a diameter of 250mm between the other end at one end, chuck, homing, reverse is pushed down in one end with forward 90 degree It is a cycle that 90 degree, which are pushed down chuck, has no that restrictive coating cracks by continuous 300 alternating bending tests, therefore, present invention tool There are excellent bending resistance and torsional property.
TPU (Thermoplastic polyurethanes) entitled thermoplastic polyurethane elastomer rubber；In the application The 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers used can join the limited public affairs of new material in LASTO, POLYONE, SK, Changshu Si Deng companies buy.The TPU used in the application water resistances under muddiness are good, will not be occurred in 1~2 year apparent Hydrolysis；In addition, compatibility test is done with kerosene, gasoline, hydraulic oil, machine oil, lubricating oil etc. using the cable in the application, it will Other parts are all removed in cable, and only surplus restrictive coating did not found mutual erosion with oil product by immersion in 90 days.
Therefore, the present invention has following main advantageous effect：It is more soft, more flexible, be more easy to construction, dead weight it is lighter, at This is lower, more resistant to high pressure, high current, high temperature resistant, anti-electrical Interference；Flame retardant effect is more preferable, bending resistance is more excellent, using more Safety.
The present invention is not limited to above-mentioned preferred forms, it should be understood that design of the invention can be by other various shapes Formula is implemented to use, they also fall in protection scope of the present invention.

Claims (4)

1. the manufacturing method of connection high-tension cable inside a kind of electric vehicle, wherein connection high-voltage electricity inside the electric vehicle Cable includes conductor, is coated on outside conductor band, the insulating layer being coated in outside band, the single side aluminium foil being coated on outside insulating layer Layer, the shielded layer, the extrusion molding that are coated on outside single side aluminium foil layer are coated on the restrictive coating outside shielded layer, it is characterised in that the conductor is The conductor be made of the 5th soft aluminium wire of class of more a diameter of 0.05~0.60mm of annealed processing or described is by more The zinc-plated aluminium wire composition of a diameter of 0.05~0.60mm the or described conductor is by the plating of more a diameter of 0.05~0.60mm Tin aluminium wire composition, the cross-sectional area of the conductor is 1.5mm2~120mm2, the material of the insulating layer is that 125 DEG C of environmental protection hinder Cross-linking radiation polyolefin is fired, the material of the restrictive coating is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, the single side aluminium foil The conductive aluminum foil face of layer is in contact with the outer surface of insulating layer；The conductor is made up of multiple layers, by more 5th in every layer The soft aluminium wire of class or more zinc-plated aluminium wires or more tin plating aluminium wires are twisted, and the direction of lay between adjacent layer is opposite；Every layer Twisting pitch be 10~25 times of aluminium wire diameter in this layer；In adjacent layer：The twisting pitch of outer layer aluminium wire is than internal layer aluminium wire Twisting pitch is big, and the twisting pitch of outer layer aluminium wire is 2~4 times of the twisting pitch of internal layer aluminium wire；In adjacent layer, outer layer aluminium wire Diameter it is bigger than the diameter of internal layer aluminium wire；The rated operational voltage of the cable is 1500V, the Long-term service temperature of cable≤ 125 DEG C, environment temperature >=-40 DEG C when cable laying, stream time >=6h at cable is 175 DEG C in temperature, cable is most Small-bend radius is 8 times of the outside diameter of cable；The thickness of the single side aluminium foil layer is 0.05~0.5mm；The shielded layer is The semi-conductive shield formed outside single side aluminium foil layer is coated on by semiconductor composite extrusion molding；The thickness of the restrictive coating is 0.8~3.0mm；
Made from the method for the step of connection with high-tension cable is by being carried out comprising next coming in order inside the electric vehicle：
The first step：The step of forming conductor：First take the soft aluminium wire or a diameter of of the 5th class of more a diameter of 0.05~0.60mm The tin plating aluminium wire of the zinc-plated aluminium wire of 0.05~0.60mm or a diameter of 0.05~0.60mm carry out that one direction is twisted to be formed first and lead Body layer；Take again the soft aluminium wire of the 5th class of more a diameter of 0.05~0.60mm or the zinc-plated aluminium wire of a diameter of 0.05~0.60mm or The tin plating aluminium wire of a diameter of 0.05~0.60mm carries out that one direction is twisted to form the second conductor layer outside the first conductor layer；Then exist Take the soft aluminium wire of the 5th class of more a diameter of 0.05~0.60mm or the zinc-plated aluminium wire or a diameter of of a diameter of 0.05~0.60mm The tin plating aluminium wire of 0.05~0.60mm carries out that one direction is twisted to form third conductor layer the second conductor is outer layer by layer；And so on, It is 1.5mm until forming cross-sectional area2~120mm2Conductor；Wherein, the direction of lay phase of the aluminium wire between adjacent conductor layer Instead, the twisting pitch of each conductor layer is the strand of outer layer aluminium wire in adjacent conductor layer 10~25 times of aluminium wire diameter in this layer The twisting pitch for closing pitch ratio internal layer aluminium wire is big, and the twisting pitch of outer layer aluminium wire is the 2~4 of the twisting pitch of internal layer aluminium wire Times；In adjacent layer, the diameter of outer layer aluminium wire is bigger than the diameter of internal layer aluminium wire；In adjacent layer, the radical and unlined aluminium of outer layer aluminium wire The radical of silk is that as many or outer layer aluminium wire radical is more than the radical of internal layer aluminium wire；
Second step：The step of forming band：Waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape are taken, with winding Mode helical coated form band outside the conductor that the first step is formed；
Third walks：The step of forming insulating layer：125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE material extrusion moldings are coated on second It walks except the band formed, the thickness of insulating layer is 0.5~3.0mm；Form insulating layer；
4th step：The step of forming single side aluminium foil layer：It is the single side aluminium foil of 0.05~0.5mm to take thickness, and conductive aluminum foil face is tight Patch third walks the insulating layer to be formed, and so that single side aluminium foil is longitudinally coated on outside insulating layer and forms single side aluminium foil layer；
5th step：The step of forming shielded layer：It takes to be coated on outside single side aluminium foil layer by semiconductor composite extrusion molding and forms shielding Layer；
6th step：The step of forming restrictive coating：Extrusion molding cladding thickness is 0.8~3.0mm's outside the shielded layer that the 5th step is formed 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer materials form restrictive coating；And then complete connection high pressure inside electric vehicle The manufacture of cable.
2. the manufacturing method of connection high-tension cable inside a kind of electric vehicle according to claim 1, it is characterised in that institute The thickness for the insulating layer stated is 0.5~3.0mm.
3. the manufacturing method of connection high-tension cable inside a kind of electric vehicle according to claim 2, it is characterised in that institute The material for the band stated is waterstop or non-woven fabrics or polyester belt or glass fiber tape or mica tape.
4. the manufacturing method of connection high-tension cable inside a kind of electric vehicle according to claim 3, it is characterised in that institute The band stated be in a manner of winding helical coated outside conductor.
CN201610469818.7A 2014-11-17 2014-11-17 A kind of electric vehicle inside connection high-tension cable and preparation method thereof Expired - Fee Related CN106098232B (en)

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CN108648849B (en) * 2018-03-26 2019-11-22 惠州乐庭电子线缆有限公司 High flexibility cross-linked polyolefin high-tension cable and preparation method thereof
CN110706844A (en) * 2019-09-16 2020-01-17 广东金联宇电缆实业有限公司 Cable for new energy automobile

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