CN105810309A - Cable and elastomer cable material for new energy vehicle internal connection - Google Patents
Cable and elastomer cable material for new energy vehicle internal connection Download PDFInfo
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- CN105810309A CN105810309A CN201610136238.6A CN201610136238A CN105810309A CN 105810309 A CN105810309 A CN 105810309A CN 201610136238 A CN201610136238 A CN 201610136238A CN 105810309 A CN105810309 A CN 105810309A
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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
- H01B7/0009—Details relating to the conductive cores
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
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- 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
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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
- H01B7/02—Disposition of insulation
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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
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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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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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
- H01B7/17—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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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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
- H01B7/17—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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Insulated Conductors (AREA)
Abstract
The invention belongs to the technology field of cable, especially relates to a cable for new energy vehicle internal connection, the cable comprises a conductor, a tape for wrapping the conductor and an insulating layer for wrapping the tape, the material of the insulating is 125 DEG C environmentally-friendly flame retardant TPE which is characterized in that the conductor is formed by twisting a plurality of aluminum alloy wires, and the tape spirally winds the conductor in a single direction in a close way; and the material of the tape is 0.15-0.30mm thick water-blocking tape or non-woven fabrics or glass fiber tape or mica tape or 0.03-0.10mm thick polyester tape. The cable has following beneficial effects: softer, easier to bend and construct, lighter, lower of cost and higher of abilities including high voltage resistance, large current resistance, high temperature resistance and electrical interference resistance; the flame-retardant effect and bending resistance performance are better, and the application is safer than before.
Description
The application is that name is called: a kind of electric automobile inside connection cable, the applying date are: on 01 20th, 2015, application number be: the divisional application of the patent of invention of 201510027578.0.
Technical field
The invention belongs to electric automobile and technical field of cables, especially relate to a kind of cable for the connection of new-energy automobile inside and the halogen-free flame-retardant thermoplastic elastomer electrical cable material for this cable, especially relate to use the cable of aluminium alloy conductor.
Background technology
It is a kind of for electric connection line that automotive interior high pressure connects cable, is mainly used in the high-voltage transmission of vehicle interior.Communication power supply flexible cable does not require nothing more than has good flexibility, in order to conveniently lay in narrow space or when similar, and requires have desirable anti-flammability, to adapt to higher fire-protection rating requirement.
The application number of our company is: 2014104424205 and name be called: " connecting cable and preparation method thereof with high pressure inside a kind of electric automobile with super soft aluminium conductor ", application number be: 2014104424313 and name be called: " have inside the electric automobile of super soft aluminium conductor and connect cable and manufacture method with high pressure ", application number be: 2014104424328 and name be called: in " there is electric automobile internal pair sheath high pressure connection cables and the manufacture method of ultra-soft aluminum conductor " patent, adopt aluminium conductor to substitute copper conductor, reach the purpose of joint Zhi Jiangben；But, owing to the hardness of aluminum is not high, although the purpose of softness 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 adopts copper conductor both at home and abroad at present, and copper conductor itself is heavier, and flexibility is poor；Communication power supply flexible cable is generally adopted to carry out substituting use both at home and abroad.
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 " the shoe flame-retardant shielding flexible cable for 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 when the occasion at the place of talking in a roundabout way etc is laid, very easily affect speed of application, particularly in the occasion that the spaces such as vehicle are less；(2) owing to generally selecting the conductor using copper as flexible cable under technology prejudice, thus do not only exist the blindness of reasonable employment raw material aspect, and cause that the manufacturing cost of flexible cable is big；Its three, owing to copper density is big, therefore cable weight is heavier, thus not only logistics transportation, cost in storage link are high, and in laid processes, workmen's labor intensity is big, consumed cost of labor height.
In view of above-mentioned prior art, still have necessity of improvement, done 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 cable connected for new-energy automobile inside, it realizes by the following technical solutions.
In first embodiment of the present invention, a kind of cable connected for new-energy automobile inside, including conductor, it is coated on the band outside conductor, the insulating barrier overlayed on outside band, the material of described insulating barrier is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE, 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 temperature be at 175 DEG C continuous-stable working time >=6h, the minimum bending radius of cable is 5 times of the outside diameter of cable, it is characterized in that described conductor is stranded by the aluminum-alloy wire that many diameters are 0.01～0.50mm, the cross-sectional area of described conductor is 1.5mm2～120mm2；Outside described band one direction in the way of mutually adjacent is wound on conductor spirally；The material of band is thickness is waterstop or non-woven fabrics or glass fiber tape or the mica tape of 0.15～0.30mm or thickness is the polyester belt of 0.03～0.10mm.
In second embodiment of the present invention, a kind of cable connected for new-energy automobile inside, including conductor, it is coated on the band outside conductor, the insulating barrier overlayed on outside band, the material of described insulating barrier is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, 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 temperature be at 175 DEG C continuous-stable working time >=6h, the minimum bending radius of cable is 5 times of the outside diameter of cable, it is characterized in that described conductor is stranded by the aluminum-alloy wire that many diameters are 0.01～0.50mm, the cross-sectional area of described conductor is 1.5mm2～120mm2；Outside described band one direction in the way of mutually adjacent is wound on conductor spirally；The material of band is thickness is waterstop or non-woven fabrics or glass fiber tape or the mica tape of 0.15～0.30mm or thickness is the polyester belt of 0.03～0.10mm.
A kind of cable connected for new-energy automobile inside 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 cable connected for new-energy automobile inside 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 cable connected for new-energy automobile inside 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.
A kind of cable connected for new-energy automobile inside described in any of the above-described embodiment, it is characterised in that the material of described insulating barrier is can be also any material of the prior art, such as PE, halogen-free flameproof material etc..
Therefore, the present invention has following main beneficial effect: more soft, more flexible, be more easy to construction, deadweight lighter, lower in cost, more can electric current high pressure resistant, big, electrical Interference high temperature resistant, anti-；Flame retardant effect is better, 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 the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of embodiment 1.
Detailed description of the invention
Embodiment 1
Ask for an interview Fig. 1 and Fig. 2, a kind of cable connected for new-energy automobile inside, including conductor 1, it is coated on the band 2 outside conductor 1, the insulating barrier 3 overlayed on outside band 2, the material of described insulating barrier 3 is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE, 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 temperature be at 175 DEG C continuous-stable working time >=6h, the minimum bending radius of cable is 5 times of the outside diameter of cable, it is characterized in that described conductor 1 is stranded by the aluminum-alloy wire that many diameters are 0.01～0.50mm, the cross-sectional area of described conductor is 1.5mm2～120mm2；Outside described band one direction in the way of mutually adjacent is wound on conductor spirally；The material of band is thickness is waterstop or non-woven fabrics or glass fiber tape or the mica tape of 0.15～0.30mm or thickness is the polyester belt of 0.03～0.10mm.
Embodiment 2
Refer to Fig. 1 and Fig. 2, a kind of cable connected for new-energy automobile inside, including conductor 1, it is coated on the band 2 outside conductor 1, the insulating barrier 3 overlayed on outside band 2, the material of described insulating barrier 3 is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomers, 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 temperature be at 175 DEG C continuous-stable working time >=6h, the minimum bending radius of cable is 5 times of the outside diameter of cable, it is characterized in that described conductor 1 is stranded by the aluminum-alloy wire that many diameters are 0.01～0.50mm, the cross-sectional area of described conductor is 1.5mm2～120mm2；Outside described band one direction in the way of mutually adjacent is wound on conductor spirally；The material of band is thickness is waterstop or non-woven fabrics or glass fiber tape or the mica tape of 0.15～0.30mm or thickness is the polyester belt of 0.03～0.10mm.
A kind of cable connected for new-energy automobile inside 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 cable connected for new-energy automobile inside 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 cable connected for new-energy automobile inside 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.
A kind of cable connected for new-energy automobile inside 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 cable connected for new-energy automobile inside described in any of the above-described embodiment, it is characterised in that the tensile strength of described aluminum-alloy wire is 120～155MPa, minimum elongation at break when being 8%, 20 DEG C, and maximum resistivity is 29.7n Ω m.
A kind of cable connected for new-energy automobile inside 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, also include aluminum；Wherein, magnesium and silicon mass ratio are (1.50～2.00): 1；Maximum resistivity that the tensile strength minima of described aluminum-alloy wire is 305MPa, minimum elongation at break when being 3.8%, 20 DEG C is 32.5n Ω m, the max line coefficient of expansion is 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 obtain 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, after tested, this intensity of aluminum alloy is compared with the magnesium silicon ratio not aluminium alloy within the scope of this, intensity improves 30～40MPa, when wherein magnesium silicon is than 1.50:1, intensity about improves 30MPa, when magnesium silicon is than 2.00:1, intensity about improves 31MPa, when magnesium silicon is than 1.80:1, intensity improves 50MPa, magnesium silicon ratio is from 1.50:1 to 1.80:1, intensity increases in rising trend, magnesium silicon ratio is from 2.00:1 to 1.80:1, intensity increases in rising 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 done 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, also include aluminum；Namely magnesium and silicon mass ratio are 1.8:1；Maximum resistivity that the tensile strength minima of the aluminum-alloy wire recorded is 337MPa, minimum elongation at break when being 4.6%, 20 DEG C is 30.2n Ω m, the max line coefficient of expansion is 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 worry oxidation and etching problem；And there is extremely strong heat resistance, expand and be contracted in the impact being not substantially affected by temperature within the scope of-100～300 DEG C.
Certainly, as improving further, in the present invention, in any of the above-described embodiment, the material of belting layer can also is that metal tape such as copper strips or aluminium strip or aluminum alloy strip, and outside band one direction in the way of mutually adjacent is wound on conductor spirally, namely the pitch between spiral is zero；Conductor and many aluminum-alloy wires can be stranded, it is also possible to be parallel placement, so make conductor binding constraint be integrated；Do not scatter during alternating bending.
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 stranded production more quickly, 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, expand and be contracted in the impact being not substantially affected by temperature within the scope of-100～300 DEG C, can keep integrated with insulating barrier；Creep-resistant property is better.In the present invention, cable insulation adopts 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE or TPU, can effectively act as fire retardation, uses in the narrow space of electric automobile, and bending freely, has no insulating barrier cracking phenomena and occurs.
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) name is called 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, and obvious hydrolysis will not occur in 1～2 year；It addition, cable in use the application with do compatibility test with kerosene, gasoline, hydraulic oil, machine oil, lubrication wet goods, other parts in cable are all peeled off, only surplus insulating barrier, through the immersion of 90 days, does not find mutual erosion with oil product.
Applicant not only used TPE, TPU of the prior art, also developed a kind of halogen-free flame-retardant thermoplastic elastomer electrical cable material, insulant for the application, it is characterised in that described halogen-free flame-retardant thermoplastic elastomer electrical cable material is made up of the raw material of following weight portion: BS SBS:30 part；Poly-(2-ethyl-6 n-pro-pyls-Isosorbide-5-Nitrae-phenylene) ether: 40 parts；Polyethylene or polypropylene: 38 parts；Butylene: 25 parts；The model that is produced from commercially available Kelamayi is 4010 naphthenic base white oils: 15 parts；Tricresyl phosphate: 30 parts；Tissuemat E: 3 parts；Model is the cable jacket antioxidant of 1010: 0.5 part；Commercially available model is UV-360 ultraviolet-resistant absorbent: 0.8 part.
After tested, above-mentioned halogen-free flame-retardant thermoplastic elastomer electrical cable material density is 1.025g/cm-3, melt flow rate (MFR) is 11.8g/10min, shore hardness is 83, hot strength is MPa, elongation at break is 14.4%, 135 DEG C × 168h degradation to be 2.6%, 100 DEG C of thermal deformations be 1.8%, anti tear value is 25N/mm, tested by 135 DEG C × 1h cracking resistance, cracking resistance (130 DEG C, load 10kg, 3mm sample) be 28%, 20 DEG C of specific insulations by, (0/30)-40 DEG C of impact brittle test by, oxygen index (OI) is 2.6 × 10 by, hot strength rate of change16Ω m, dielectric strength is 32MV/m, flame retardant rating is VW-1, 130 DEG C × 1h cable thermal contraction is 0.2%, 45g/L oxalic acid solution, (23 ± 5) DEG C, the acidproof rear elongation change rate of 168h is-2.3%, 40g/L sodium hydroxide solution, (23 ± 5) DEG C, the alkaline-resisting rear change rate of strength of 168h is 1.2%, 40g/L sodium hydroxide solution, (23 ± 5) DEG C, the alkaline-resisting rear elongation change rate of 168h is-4.2%, (80 ± 2) DEG C, 7 × 24h heat-proof water change rate of strength is 0.04%, (80 ± 2) DEG C, 7 × 24h heat-proof water elongation change rate is 0.35%, (85 ± 2) DEG C, (85 ± 2) % humidity, 3000h is aging, and rear elongation change rate is-1.8%；And when the cable of the present invention produces, the maximum stable process velocity of insulating barrier has reached on 120 ms/min, and property indices has all reached outstanding grade.
Cable in the present invention is placed on acid pH value to be 5-6, alkaline ph value be in the aqueous solution of 8-9, after 30 days, remain to normal use.
Therefore, the present invention has following main beneficial effect: more soft, more flexible, be more easy to construction, deadweight lighter, lower in cost, more can electric current high pressure resistant, big, electrical Interference high temperature resistant, anti-；Flame retardant effect is better, 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 (3)
1. the cable for the internal connection of new-energy automobile, including conductor, it is coated on the band outside conductor, the insulating barrier overlayed on outside band, the material of described insulating barrier is 125 DEG C of environmentally-friendly flame retardant thermoplastic elastomer TPE, 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 temperature be at 175 DEG C continuous-stable working time >=6h, the minimum bending radius of cable is 5 times of the outside diameter of cable, it is characterized in that described conductor is stranded by the aluminum-alloy wire that many diameters are 0.01～0.50mm, the cross-sectional area of described conductor is 1.5mm2～120mm2；Outside described band one direction in the way of mutually adjacent is wound on conductor spirally；The material of band is thickness is waterstop or non-woven fabrics or glass fiber tape or the mica tape of 0.15～0.30mm or thickness is the polyester belt of 0.03～0.10mm；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, also include aluminum；Wherein, magnesium and silicon mass ratio are 1.8:1；Maximum resistivity that the tensile strength minima of described aluminum-alloy wire is 337MPa, minimum elongation at break when being 4.6%, 20 DEG C is 30.2n Ω m, the max line coefficient of expansion is 2.13 × 10-5(1/ DEG C), 20 DEG C time maximal density be 2.65g/cm3；Described conductor is made up of multilamellar, is formed by many aluminum-alloy wires are stranded, and the direction of lay between adjacent layer is contrary in every layer；The twisting pitch of every layer is 10～25 times of aluminum-alloy wire diameter in this layer；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；The thickness of described insulating barrier is 0.5～3.0mm；The thickness of described insulating barrier is 0.5mm or 0.7mm or 0.8mm or 1.0mm or 1.5mm or 2.0mm or 3.0mm.
2. the cable for the internal connection of new-energy automobile, including conductor, it is coated on the band outside conductor, the insulating barrier overlayed on outside band, the material of described insulating barrier is halogen-free flame-retardant thermoplastic elastomer electrical cable material, 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 temperature be at 175 DEG C continuous-stable working time >=6h, the minimum bending radius of cable is 5 times of the outside diameter of cable, it is characterized in that described conductor is stranded by the aluminum-alloy wire that many diameters are 0.01～0.50mm, the cross-sectional area of described conductor is 1.5mm2～120mm2；Outside described band one direction in the way of mutually adjacent is wound on conductor spirally；The material of band is thickness is waterstop or non-woven fabrics or glass fiber tape or the mica tape of 0.15～0.30mm or thickness is the polyester belt of 0.03～0.10mm；The model of described aluminum-alloy wire is 8A07 or 8030 or LHA1 or LHA2, and the tensile strength of described aluminum-alloy wire is 120～155MPa, minimum elongation at break when being 8%, 20 DEG C, and maximum resistivity is 29.7n Ω m；Or 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, all the other be aluminum；Wherein, magnesium and silicon mass ratio are (1.50～2.00): 1；Maximum resistivity that the tensile strength minima of described aluminum-alloy wire is 305MPa, minimum elongation at break when being 3.8%, 20 DEG C is 32.5n Ω m, the max line coefficient of expansion is 2.15 × 10-5(1/ DEG C), 20 DEG C time maximal density be 2.85g/cm3；Described halogen-free flame-retardant thermoplastic elastomer electrical cable material, is made up of the raw material of following weight portion: BS SBS:30 part；Poly-(2-ethyl-6 n-pro-pyls-Isosorbide-5-Nitrae-phenylene) ether: 40 parts；Polyethylene or polypropylene: 38 parts；Butylene: 25 parts；The model that is produced from commercially available Kelamayi is 4010 naphthenic base white oils: 15 parts；Tricresyl phosphate: 30 parts；Tissuemat E: 3 parts；Model is the cable jacket antioxidant of 1010: 0.5 part；Commercially available model is UV-360 ultraviolet-resistant absorbent: 0.8 part.
3. the halogen-free flame-retardant thermoplastic elastomer electrical cable material for new-energy automobile interconnection cable, it is characterised in that it is made up of the raw material of following weight portion: BS SBS:30 part；Poly-(2-ethyl-6 n-pro-pyls-Isosorbide-5-Nitrae-phenylene) ether: 40 parts；Polyethylene or polypropylene: 38 parts；Butylene: 25 parts；The model that is produced from commercially available Kelamayi is 4010 naphthenic base white oils: 15 parts；Tricresyl phosphate: 30 parts；Tissuemat E: 3 parts；Model is the cable jacket antioxidant of 1010: 0.5 part；Commercially available model is UV-360 ultraviolet-resistant absorbent: 0.8 part.
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| CN201610136238.6A CN105810309A (en) | 2015-01-20 | 2015-01-20 | Cable and elastomer cable material for new energy vehicle internal connection |
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| CN201510027578.0A CN104538110B (en) | 2015-01-20 | 2015-01-20 | A kind of electric automobile is internal with connecting cable |
| CN201610136238.6A CN105810309A (en) | 2015-01-20 | 2015-01-20 | Cable and elastomer cable material for new energy vehicle internal connection |
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| CN104538110B (en) | 2016-06-08 |
| CN104538110A (en) | 2015-04-22 |
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