CN109461520A - A kind of charging pile cable of Cu and Al combination - Google Patents
A kind of charging pile cable of Cu and Al combination Download PDFInfo
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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
- H01B7/0045—Cable-harnesses
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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- 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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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- 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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- 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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- 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
- H01B7/1835—Sheaths comprising abrasive charges
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- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
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- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
A kind of charging pile cable of Cu and Al combination, is made of ontology, first screen layer and restrictive coating；First screen layer is closely coated on body exterior, and restrictive coating is closely coated on outside first screen layer；Ontology includes at least two electric power cable cores and at least one signal cable core；Electric power cable core includes the first center conductor, secondary shielding layer and the first insulating layer；First center conductor is made of aluminium alloy stranded conductor；Secondary shielding layer is closely coated on outside the first center conductor, and the first insulating layer is closely coated on outside secondary shielding layer；Signal cable core includes the second center conductor and second insulating layer；Second center conductor is led copper product by height and is made；Second insulating layer is closely coated on outside the second center conductor.The present invention can largely reduce the weight for rushing electric stake cable, facilitate dragging, while having preferable shielding properties and thermal diffusivity, and due to the price variance of copper and aluminium, can also reduce manufacturing cost while reaching current-carrying capacity identical as copper cable.
Description
Technical field
The present invention relates to new energy field of cable technology, and in particular to a kind of charging pile cable of Cu and Al combination.
Background technique
With the development of new-energy automobile industry, user is higher and higher to the requirement of new-energy automobile, embodies
In the requirements at the higher level, quick to the requirements at the higher level of vehicle course continuation mileage and for the Vehicular charging time to Vehicle Speed
Change and requires.In order to require in response to above-mentioned user, the approval in market is obtained, new-energy automobile is rapidly sent out towards this direction
Exhibition.Wherein, since the charging rate of new-energy automobile requires to be getting faster, cause the current-carrying capacity requirement to cable higher and higher,
So the charging pile cable of industry production at present is increasingly thicker, weight is increasing, while to the requirement of the heatproof of insulating materials
It gets higher, when the river rises the boat goes up for the comprehensive cost for leading to cable.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the project of the invention to be researched and solved.
Summary of the invention
It is an object of the present invention to provide a kind of charging pile cables of Cu and Al combination.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of charging pile cable of Cu and Al combination, is made of ontology, first screen layer and restrictive coating；
The first screen layer is closely coated on the body exterior, and the restrictive coating is closely coated on outside the first screen layer
Portion；Wherein,
The ontology includes at least two electric power cable cores and at least one signal cable core；
The electric power cable core includes the first center conductor, secondary shielding layer and the first insulating layer；
First center conductor is made of aluminium alloy stranded conductor；The secondary shielding layer is closely coated on first center conductor
Outside, first insulating layer are closely coated on outside the secondary shielding layer；
The signal cable core includes the second center conductor and second insulating layer；
Second center conductor is led copper product by height and is made；The second insulating layer is closely coated on second center conductor
It is external；
First center conductor is made of aluminium alloy, and the raw material of the aluminium alloy comprises the following components in parts by weight:
100 parts of aluminium；
0.10 ~ 0.20 part of silicon；
0.02 ~ 0.04 part of copper；
0.01 ~ 0.02 part of magnesium；
0.04 part of zinc；
0.01 ~ 0.02 part of manganese；
0.25 part of iron；
0.01 part of chromium；
0.03 part of calcium；
Second center conductor leads copper at the raw material that the height leads copper comprises the following components in parts by weight by height:
100 parts of copper；
1 ~ 2 part of nickel；
1.5 ~ 3 parts of cobalt；
0.3 part of iron；
0.03 part of lead；
0.02 part of phosphorus；
0.02 part of carbon；
0.4 part of impurity.
Related content in above-mentioned technical proposal is explained as follows:
1, in above scheme, the ontology further includes filler, such as non-woven fabrics, sliver, polyester strip.
2, in above scheme, the restrictive coating is made of wear-resisting tasteless silicon rubber；
The raw material of the wear-resisting tasteless silicon rubber comprises the following components in parts by weight:
16 ~ 25 parts of methyl silicone rubber；
35 ~ 55 parts of methyl vinyl silicone rubber；
1 ~ 2 part of zinc stearate；
0 ~ 16 part of silica 1；
2.5 ~ 5 parts of fire retardant；
1.5 ~ 3 parts of fireproof agent；
2.5 ~ 4 parts of additive.
The additive is anti-wear agent, and formula design, can make the wear-resisting tasteless silastic material meet high temperature resistant whereby
180 DEG C, in addition because cable will often pull, also it can meet and the wear-resisting of restrictive coating is wanted while guaranteeing cable heatproof
It asks.
3, in above scheme, the component of the preferably following parts by weight of raw material of the wear-resisting tasteless silicon rubber:
18 ~ 25 parts of methyl silicone rubber；
40 ~ 52 parts of methyl vinyl silicone rubber；
1.6 parts of zinc stearate；
2 ~ 15 parts of silica 1；
3 ~ 4.5 parts of fire retardant；
1.8 ~ 2.6 parts of fireproof agent；
2.8 ~ 3.3 parts of anti-wear agent.
Realize that better high temperature resistant requires and reaches more preferably physical features with this.
4, in above scheme, first center conductor is made of aluminium alloy；
The formula design of aluminium alloy whereby, can be while guaranteeing the current-carrying capacity and resistance up to standard of electric power cable core, it is also ensured that electricity
The flexibility of cable and the convenience of processing, such as: being not easy fracture of wire under hot conditions in process.
5, in above scheme, the component of the preferably following parts by weight of the raw material of the aluminium alloy:
100 parts of aluminium；
0.12 ~ 0.17 part of silicon；
0.026 ~ 0.037 part of copper；
0.012 ~ 0.018 part of magnesium；
0.04 part of zinc；
0.011 ~ 0.017 part of manganese；
0.25 part of iron；
0.01 part of chromium；
0.03 part of calcium.
Formula design whereby, can be further ensured that the flexibility of cable and the convenience of processing.
6, in above scheme, first insulating layer is made of the first silastic material；
The raw material of first silastic material comprises the following components in parts by weight:
45 ~ 66 parts of methyl vinyl silicone rubber；
20 ~ 35 parts of silica；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent；
1 ~ 5 part of additive.
Formula design whereby, can be 180 DEG C of high temperature resistant, and will not have an impact the smell of air quality, and cope with line
The current-carrying capacity of cable.Temperature coefficient and coefficient of heat transfer are two key factors for influencing cable current-carrying capacity, since electric power cable core generates heat
Than more serious, so needing first silastic material using good heat dispersion performance.
The additive can be the fillers such as silica, zirconium oxide.
7, in above scheme, the component of the preferably following parts by weight of the raw material of first silastic material:
53 ~ 62 parts of methyl vinyl silicone rubber；
25 ~ 32 parts of silica；
2.9 ~ 4.8 parts of fire retardant；
2.5 ~ 4.3 parts of fireproof agent；
1.5 ~ 4.5 parts of additive.
Formula design whereby, can be further assured that temperature coefficient and coefficient of heat transfer meet the requirements.
8, in above scheme, second center conductor by height lead copper at；
The formula design for leading copper high whereby, can make copper material have good flexibility and better electric conductivity, inoxidizability
It can be also more preferable.
The impurity includes silicon, oxygen etc..
9, in above scheme, the height leads the component of the preferably following parts by weight of raw material of copper:
100 parts of copper；
1.3 ~ 1.8 parts of nickel；
1.6 ~ 2.7 parts of cobalt；
0.3 part of iron；
0.03 part of lead；
0.02 part of phosphorus；
0.02 part of carbon；
0.4 part of impurity.
10, in above scheme, the second insulating layer is made of the second silastic material；
The raw material of second silastic material comprises the following components in parts by weight:
15 ~ 20 parts of methyl silicone rubber；
30 ~ 50 parts of methyl vinyl silicone rubber；
2 ~ 3 parts of zinc stearate；
0 ~ 15 part of silica 1；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent.
Formula design whereby, can be 180 DEG C of high temperature resistant, and will not have an impact the smell of air quality, meeting silicon rubber
In the case where insulating layer basic function, it can also meet the anti-tear performance requirement of higher material.
11, in above scheme, the component of the preferably following parts by weight of the raw material of second silastic material:
16 ~ 19 parts of methyl silicone rubber；
33 ~ 48 parts of methyl vinyl silicone rubber；
2.3 ~ 2.9 parts of zinc stearate；
1 ~ 14.5 part of silica 1；
3.5 ~ 5.6 parts of fire retardant；
1.7 ~ 4.5 parts of fireproof agent.
12, in above scheme, the first screen layer includes two foil shielding layers and a woven shield；
Wherein, the first foil shielding layer is closely coated on the body exterior, and the woven shield is closely coated on described
Outside one foil shielding layer, the second foil shielding layer is closely coated on outside the woven shield；The restrictive coating closely wraps
It is overlying on outside the second foil shielding layer.
By the way that by outermost restrictive coating shielding design, at aluminium foil+braiding+aluminium foil shielding mode, can be realized is enhancing
While shield effectiveness, the heat dissipation performance of cable itself is promoted using double-layer aluminum-foil structure, guarantees the lasting current-carrying of cable.
Foil shielding layer has preferable shielding properties and heating conduction.The aluminium foil of first foil shielding layer of internal layer uses
Longitudinal wrap wraps up mode, and the aluminium foil of more prominent shield effectiveness, the second foil shielding layer of outer layer is used around packet mode, aluminium foil overlap rate
Between 20% ~ 50%, more prominent heat dissipation performance.
Woven shield uses the tin plating or naked copper braided wires of 0.10 ~ 0.15mm, and count is 65% ~ 90%, braid angle
Degree is 45 ° ± 5 °, to guarantee shield effectiveness.
13, in above scheme, the secondary shielding layer includes a foil shielding layer and a woven shield；
Wherein, the foil shielding layer is closely coated on outside first center conductor, and the woven shield closely coats
Outside the foil shielding layer.
By adding the shielding of aluminium foil and braiding outside the first center conductor of electric power cable core, guaranteeing the same of shield effectiveness
When taken into account economy, wherein foil shielding layer uses the aluminum plastic belt of 0.03mm thickness, and aluminium face is in contact with woven shield.
The aluminium foil of foil shielding layer is wrapped up by the way of online longitudinal wrap, the braided wires of woven shield using 0.10 ~
The tin plating or naked copper braided wires of 0.15mm, count are 65% ~ 90%, and angle of weave is 45 ° ± 5 °, to guarantee shield effectiveness.
Foil shielding layer wraps up mode using longitudinal aluminium foil, and the braided wires of woven shield is cooperated to wrap up aluminium foil closely
On the first center conductor surface, shield effectiveness can be made to be optimal.
14, in above scheme, before silicon rubber extrusion, refining glue processing is carried out first, is needed in the refining glue treatment process
Raw material comprises the following components in parts by weight:
100 parts of silicone rubber material；
1 part of color masterbatch；
0.2 ~ 0.6 part of remover；
1.5% ~ 3 part of platinum vulcanizing agent；
The silicone rubber material, that is, wear-resisting tasteless silicon rubber or first silastic material or the second silicon rubber material
The raw material of material；
When refining glue, the silicone rubber material is carried out mixing refining glue, glue furnacing temperature with color masterbatch, remover and platinum vulcanizing agent
17 ~ 23 DEG C, the refining glue time is greater than or equal to 10min, until material surface is smooth, raw material is uniformly mixed the visible no color differnece of naked eyes；
In the environment that the silicon rubber that mixing refining glue finishes is stored in 17 ~ 23 DEG C before squeezing out processing, high temperature is avoided to store；
After refining glue, extrusion operation is carried out in 3 hours (preferably 1 ~ 2 hour), otherwise can be vulcanized in advance, while by extrusion
Cable enter in curing cage carry out it is high temperature vulcanized, vulcanization the temperature inside the box be 200 ~ 400 DEG C.By high temperature vulcanized, to enable silicon rubber
Interior molecules generate crosslinking under the action of high temperature and vulcanizing agent, and silastic structure is made to become more stable process.
15, in above scheme, the electric power cable core and the signal cable core have two, and the two electric power cable cores are along electricity
The diametrical clearance of cable is arranged, and the two signal cable cores are also arranged along the diametrical clearance of cable；Also, two electric power cable cores
Line of the line at center perpendicular to two signal cable core centers.
This arrangement form can guarantee the rounding property of cable, while the magnetic field generated that two electric power cable cores can be powered is supported
Disappear, reduces the adverse effect that external magnetic field generates signal cable core.
The working principle of the invention and advantage are as follows:
Electric power cable core in cable of the present invention uses aluminium alloy stranded conductor or aluminum stranded conductor conductor, while reducing cable weight, drop
Low cost；Signal cable core uses the lesser copper conductor of impedance.In order to guarantee that signal transmission is interference-free, added outside electric power cable core
Aluminium foil and braiding double layer screen, in order to prevent influence of the external disturbance to cable use aluminium foil, braiding, aluminium foil again after stranding
Three layers of shielding；On the other hand, since the charging time to be shortened certainly will get higher the requirement of electric current, in order to guarantee the current-carrying of cable
Amount, the present invention use 180 DEG C of special silicon rubber of high temperature resistant, the temperature resistant grade of sheath and insulation are improved, to improve current-carrying
Amount.
Compared to existing technologies, the present invention can be while reaching current-carrying capacity identical as copper cable, largely
The weight for rushing electric stake cable is reduced, facilitates dragging, while there is preferable shielding properties and thermal diffusivity, and due to copper and aluminium
Price variance can also reduce manufacturing cost.
Detailed description of the invention
Attached drawing 1 is the schematic diagram of the section structure of the embodiment of the present invention；
Attached drawing 2 is Distribution of Magnetic Field of embodiment of the present invention schematic diagram.
In the figures above: 1, restrictive coating；2, electric power cable core；3, signal cable core；4, filler；5, the first center conductor；6,
First insulating layer；7, the second center conductor；8, second insulating layer；9, the first foil shielding layer；10, the second foil shielding layer；11,
Woven shield；12, foil shielding layer；13, woven shield；14, magnetic field.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: as shown in Figure 1, a kind of charging pile cable of Cu and Al combination, by ontology, first screen layer and 1 group of restrictive coating
At；
The first screen layer is closely coated on the body exterior, and the restrictive coating 1 is closely coated on the first screen layer
It is external；Wherein,
The ontology includes at least two electric power cable cores 2 and at least one signal cable core 3；It further include filler 4, such as nonwoven
Cloth, sliver, polyester strip etc..
The electric power cable core 2 includes the first center conductor 5, secondary shielding layer and the first insulating layer 6；
First center conductor 5 is made of aluminium alloy stranded conductor；The secondary shielding layer is closely coated on first center and leads
Outside body 5, first insulating layer 6 is closely coated on outside the secondary shielding layer；
The signal cable core 3 includes the second center conductor 7 and second insulating layer 8；
Second center conductor 7 is led copper product by height and is made；The second insulating layer 8 is closely coated on second center and leads
Outside body 7.
Wherein, the first screen layer includes two foil shielding layers 9,10 and a woven shield 11；
First foil shielding layer 9 is closely coated on the body exterior, and the woven shield 11 is closely coated on described first
Outside foil shielding layer 9, the second foil shielding layer 10 is closely coated on outside the woven shield 11；The restrictive coating 1 is tight
It is close to be coated on outside the second foil shielding layer 10.
By at aluminium foil+braiding+aluminium foil shielding mode, can be realized and increasing outermost 1 shielding design of restrictive coating
While strong shield effectiveness, the heat dissipation performance of cable itself is promoted using double-layer aluminum-foil structure, guarantees the lasting current-carrying of cable.
Foil shielding layer 9,10 has preferable shielding properties and heating conduction.The aluminium of first foil shielding layer 9 of internal layer
Foil wraps up mode using longitudinal wrap, and the aluminium foil of more prominent shield effectiveness, the second foil shielding layer 10 of outer layer is used around packet mode, aluminium
Foil overlap rate is between 20% ~ 50%, more prominent heat dissipation performance.
Woven shield 11 is using the tin plating or naked copper braided wires of 0.10 ~ 0.15mm, and count is 65% ~ 90%, braiding
Angle is 45 ° ± 5 °, to guarantee shield effectiveness.
Wherein, the secondary shielding layer includes a foil shielding layer 12 and a woven shield 13；
The foil shielding layer 12 is closely coated on outside first center conductor 5, and the woven shield 13 closely coats
Outside the foil shielding layer 12.
By adding the shielding of aluminium foil and braiding outside the first center conductor 5 of electric power cable core 2, guaranteeing shield effectiveness
Economy is combined, wherein foil shielding layer 12 uses the aluminum plastic belt of 0.03mm thickness, and aluminium face is the same as woven shield 13
It is in contact.
The aluminium foil of foil shielding layer 12 is wrapped up by the way of longitudinal wrap, the braided wires of woven shield 13 using 0.10 ~
The tin plating or naked copper braided wires of 0.15mm, count are 65% ~ 90%, and angle of weave is 45 ° ± 5 °, to guarantee shield effectiveness.
Foil shielding layer 12 cooperates the braided wires of woven shield 13 that aluminium foil is made closely to be wrapped in 5 table of the first center conductor
Face can be such that shield effectiveness is optimal.
Wherein, the electric power cable core 2 and the signal cable core 3 have two, and the two electric power cable cores 2 are along the straight of cable
Diameter direction gap setting, the two signal cable cores 3 are also arranged along the diametrical clearance of cable；Also, two electric power cable cores, 2 center
Line perpendicular to two signal cable cores, 3 center line.
As shown in Fig. 2, this arrangement form can guarantee the rounding property of cable, while two electric power cable cores 2 can be powered and be generated
Magnetic field offset, reduce the adverse effect that generates to signal cable core 3 of external magnetic field.
Dotted line is that the analog magnetic field 14 that cable generates after being powered is illustrated in Fig. 2, the electric current generated due to two electric power cable cores 2
It is contrary, 14 direction of magnetic field of generation also on the contrary, therefore by by signal cable core 3 be arranged in this position, can be due to magnetic field 14
It cancels out each other, and by minor impact, and then ensure that the quality and efficiency of signal transmission.
Wherein, the restrictive coating 1 is made of wear-resisting tasteless silicon rubber；
The raw material of the wear-resisting tasteless silicon rubber comprises the following components in parts by weight:
16 ~ 25 parts of methyl silicone rubber；
35 ~ 55 parts of methyl vinyl silicone rubber；
1 ~ 2 part of zinc stearate；
0 ~ 16 part of silica 1；
2.5 ~ 5 parts of fire retardant；
1.5 ~ 3 parts of fireproof agent；
2.5 ~ 4 parts of additive.
The additive is anti-wear agent, and formula design, can make the wear-resisting tasteless silastic material meet high temperature resistant whereby
180 DEG C, in addition because cable will often pull, also it can meet and the wear-resisting of restrictive coating 1 is wanted while guaranteeing cable heatproof
It asks.
The component of the preferably following parts by weight of raw material of the wear-resisting tasteless silicon rubber:
18 ~ 25 parts of methyl silicone rubber；
40 ~ 52 parts of methyl vinyl silicone rubber；
1.6 parts of zinc stearate；
2 ~ 15 parts of silica 1；
3 ~ 4.5 parts of fire retardant；
1.8 ~ 2.6 parts of fireproof agent；
2.8 ~ 3.3 parts of anti-wear agent.
Realize that better high temperature resistant requires and restrictive coating 1 is made to reach more preferably physical features with this.
Wherein, first center conductor 5 is made of aluminium alloy；
The raw material of the aluminium alloy comprises the following components in parts by weight:
100 parts of aluminium；
0.10 ~ 0.20 part of silicon；
0.02 ~ 0.04 part of copper；
0.01 ~ 0.02 part of magnesium；
0.04 part of zinc；
0.01 ~ 0.02 part of manganese；
0.25 part of iron；
0.01 part of chromium；
0.03 part of calcium.
Formula design whereby, can be while guaranteeing the current-carrying capacity and resistance up to standard of electric power cable core 2, it is also ensured that flexibility
And the convenience of processing, such as: not fracture of wire under hot conditions in process.
The component of the preferably following parts by weight of the raw material of the aluminium alloy:
100 parts of aluminium；
0.12 ~ 0.17 part of silicon；
0.026 ~ 0.037 part of copper；
0.012 ~ 0.018 part of magnesium；
0.04 part of zinc；
0.011 ~ 0.017 part of manganese；
0.25 part of iron；
0.01 part of chromium；
0.03 part of calcium.
Formula design whereby, can be further ensured that the convenience of flexibility and processing.
More preferably, the raw material of the aluminium alloy comprises the following components in parts by weight:
100 parts of aluminium；
0.15 part of silicon；
0.032 part of copper；
0.015 part of magnesium；
0.04 part of zinc；
0.013 part of manganese；
0.25 part of iron；
0.01 part of chromium；
0.03 part of calcium.
Wherein, first insulating layer 6 is made of the first silastic material；
The raw material of first silastic material comprises the following components in parts by weight:
45 ~ 66 parts of methyl vinyl silicone rubber；
20 ~ 35 parts of silica；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent；
1 ~ 5 part of additive.
Formula design whereby, can be 180 DEG C of high temperature resistant, and will not have an impact the smell of air quality, and cope with line
The current-carrying capacity of cable.Temperature coefficient and coefficient of heat transfer are two key factors for influencing cable current-carrying capacity, since electric power cable core 2 generates heat
Than more serious, so needing first silastic material using good heat dispersion performance.
The additive can be the fillers such as silica, zirconium oxide.
The component of the preferably following parts by weight of the raw material of first silastic material:
53 ~ 62 parts of methyl vinyl silicone rubber；
25 ~ 32 parts of silica；
2.9 ~ 4.8 parts of fire retardant；
2.5 ~ 4.3 parts of fireproof agent；
1.5 ~ 4.5 parts of additive.
Formula design whereby, can be further assured that temperature coefficient and coefficient of heat transfer meet the requirements.
Wherein, second center conductor 7 by height lead copper at；
The raw material that the height leads copper comprises the following components in parts by weight:
100 parts of copper；
1 ~ 2 part of nickel；
1.5 ~ 3 parts of cobalt；
0.3 part of iron；
0.03 part of lead；
0.02 part of phosphorus；
0.02 part of carbon；
0.4 part of impurity.
The impurity includes silicon, oxygen etc..
Formula design whereby can make copper material have good flexibility and better electric conductivity, antioxygenic property
More preferably.
More preferably, the raw material that the height leads copper comprises the following components in parts by weight:
100 parts of copper；
1.6 parts of nickel；
2.2 parts of cobalt；
0.3 part of iron；
0.03 part of lead；
0.02 part of phosphorus；
0.02 part of carbon；
0.4 part of impurity.
The height leads the component of the preferably following parts by weight of raw material of copper:
100 parts of copper；
1.3 ~ 1.8 parts of nickel；
1.6 ~ 2.7 parts of cobalt；
0.3 part of iron；
0.03 part of lead；
0.02 part of phosphorus；
0.02 part of carbon；
0.4 part of impurity.
Wherein, the second insulating layer 8 is made of the second silastic material；
The raw material of second silastic material comprises the following components in parts by weight:
15 ~ 20 parts of methyl silicone rubber；
30 ~ 50 parts of methyl vinyl silicone rubber；
2 ~ 3 parts of zinc stearate；
0 ~ 15 part of silica 1；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent.
Formula design whereby, can be 180 DEG C of high temperature resistant, and will not have an impact the smell of air quality, meeting silicon rubber
In the case where insulating layer basic function, it can also meet the anti-tear performance requirement of higher material.
The component of the preferably following parts by weight of the raw material of second silastic material:
16 ~ 19 parts of methyl silicone rubber；
33 ~ 48 parts of methyl vinyl silicone rubber；
2.3 ~ 2.9 parts of zinc stearate；
1 ~ 14.5 part of silica 1；
3.5 ~ 5.6 parts of fire retardant；
1.7 ~ 4.5 parts of fireproof agent.
Wherein, before silicon rubber extrusion, progress refining glue processing first, the raw material needed in the refining glue treatment process include with
The component of lower parts by weight:
100 parts of silicone rubber material；
1 part of color masterbatch；
0.2 ~ 0.6 part of remover；
1.5% ~ 3 part of platinum vulcanizing agent；
The silicone rubber material, that is, wear-resisting tasteless silicon rubber or first silastic material or the second silicon rubber material
The raw material of material；
When refining glue, the silicone rubber material is carried out mixing refining glue, glue furnacing temperature with color masterbatch, remover and platinum vulcanizing agent
17 ~ 23 DEG C, the refining glue time is greater than or equal to 10min, until material surface is smooth, raw material is uniformly mixed the visible no color differnece of naked eyes；
In the environment that the silicon rubber that mixing refining glue finishes is stored in 17 ~ 23 DEG C before squeezing out processing, high temperature is avoided to store；
After refining glue, extrusion operation is carried out in 3 hours (preferably 1 ~ 2 hour), otherwise can be vulcanized in advance, while by extrusion
Cable enter in curing cage carry out it is high temperature vulcanized, vulcanization the temperature inside the box be 200 ~ 400 DEG C.By high temperature vulcanized, to enable silicon rubber
Interior molecules generate crosslinking under the action of high temperature and vulcanizing agent, and silastic structure is made to become more stable process.
Compared to existing technologies, the present invention can be while reaching current-carrying capacity identical as copper cable, largely
The weight for rushing electric stake cable is reduced, facilitates dragging, while there is preferable shielding properties and thermal diffusivity, and due to copper and aluminium
Price variance can also reduce manufacturing cost.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of charging pile cable of Cu and Al combination, it is characterised in that:
It is made of ontology, first screen layer and restrictive coating；
The first screen layer is closely coated on the body exterior, and the restrictive coating is closely coated on outside the first screen layer
Portion；Wherein,
The ontology includes at least two electric power cable cores and at least one signal cable core；
The electric power cable core includes the first center conductor, secondary shielding layer and the first insulating layer；
First center conductor is made of aluminium alloy stranded conductor；The secondary shielding layer is closely coated on first center conductor
Outside, first insulating layer are closely coated on outside the secondary shielding layer；
The signal cable core includes the second center conductor and second insulating layer；
Second center conductor is led copper product by height and is made；The second insulating layer is closely coated on second center conductor
It is external；
First center conductor is made of aluminium alloy, and the raw material of the aluminium alloy comprises the following components in parts by weight:
100 parts of aluminium；
0.10 ~ 0.20 part of silicon；
0.02 ~ 0.04 part of copper；
0.01 ~ 0.02 part of magnesium；
0.04 part of zinc；
0.01 ~ 0.02 part of manganese；
0.25 part of iron；
0.01 part of chromium；
0.03 part of calcium；
Second center conductor leads copper at the raw material that the height leads copper comprises the following components in parts by weight by height:
100 parts of copper；
1 ~ 2 part of nickel；
1.5 ~ 3 parts of cobalt；
0.3 part of iron；
0.03 part of lead；
0.02 part of phosphorus；
0.02 part of carbon；
0.4 part of impurity.
2. cable according to claim 1, it is characterised in that: the restrictive coating is made of wear-resisting tasteless silicon rubber；
The raw material of the wear-resisting tasteless silicon rubber comprises the following components in parts by weight:
16 ~ 25 parts of methyl silicone rubber；
35 ~ 55 parts of methyl vinyl silicone rubber；
1 ~ 2 part of zinc stearate；
0 ~ 16 part of silica 1；
2.5 ~ 5 parts of fire retardant；
1.5 ~ 3 parts of fireproof agent；
2.5 ~ 4 parts of additive.
3. cable according to claim 1, it is characterised in that: first insulating layer is made of the first silastic material；
The raw material of first silastic material comprises the following components in parts by weight:
45 ~ 66 parts of methyl vinyl silicone rubber；
20 ~ 35 parts of silica；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent；
1 ~ 5 part of additive.
4. cable according to claim 1, it is characterised in that: the second insulating layer is made of the second silastic material；
The raw material of second silastic material comprises the following components in parts by weight:
15 ~ 20 parts of methyl silicone rubber；
30 ~ 50 parts of methyl vinyl silicone rubber；
2 ~ 3 parts of zinc stearate；
0 ~ 15 part of silica 1；
2.5 ~ 6 parts of fire retardant；
1.5 ~ 5 parts of fireproof agent.
5. cable according to claim 1, it is characterised in that: the first screen layer includes two foil shielding layers and one
Woven shield；
Wherein, the first foil shielding layer is closely coated on the body exterior, and the woven shield is closely coated on described
Outside one foil shielding layer, the second foil shielding layer is closely coated on outside the woven shield；The restrictive coating closely wraps
It is overlying on outside the second foil shielding layer.
6. cable according to claim 1, it is characterised in that:
The secondary shielding layer includes a foil shielding layer and a woven shield；
Wherein, the foil shielding layer is closely coated on outside first center conductor, and the woven shield closely coats
Outside the foil shielding layer.
7. according to cable described in Claims 2 or 3 or 4, it is characterised in that:
Before silicon rubber extrusion, refining glue processing is carried out first, the raw material needed in the refining glue treatment process includes following parts by weight
Component:
100 parts of silicone rubber material；
1 part of color masterbatch；
0.2 ~ 0.6 part of remover；
1.5% ~ 3 part of platinum vulcanizing agent；
When refining glue, the silicone rubber material is carried out mixing refining glue, glue furnacing temperature with color masterbatch, remover and platinum vulcanizing agent
17 ~ 23 DEG C, the refining glue time is greater than or equal to 10min；
In the environment that the silicon rubber that mixing refining glue finishes is stored in 17 ~ 23 DEG C before squeezing out processing, high temperature is avoided to store；
After refining glue, extrusion operation is carried out in 3 hours, while the cable of extrusion is entered into progress high temperature sulphur in curing cage
Change, vulcanization the temperature inside the box is 200 ~ 400 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300919.7A CN109461520A (en) | 2018-11-02 | 2018-11-02 | A kind of charging pile cable of Cu and Al combination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300919.7A CN109461520A (en) | 2018-11-02 | 2018-11-02 | A kind of charging pile cable of Cu and Al combination |
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| CN109461520A true CN109461520A (en) | 2019-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110669960A (en) * | 2019-11-08 | 2020-01-10 | 无锡金卫星铜业有限公司 | Wear-resistant cupronickel wire and forming method thereof |
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Application publication date: 20190312 |