CN108364708A - A kind of high electromagnetic pulse-resisting flexibility aluminium alloy cable manufacturing method - Google Patents

A kind of high electromagnetic pulse-resisting flexibility aluminium alloy cable manufacturing method Download PDF

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Publication number
CN108364708A
CN108364708A CN201711409884.6A CN201711409884A CN108364708A CN 108364708 A CN108364708 A CN 108364708A CN 201711409884 A CN201711409884 A CN 201711409884A CN 108364708 A CN108364708 A CN 108364708A
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China
Prior art keywords
aluminum alloy
layer
cable
foamed thermoplastic
thermoplastic elastomer
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CN201711409884.6A
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Chinese (zh)
Inventor
何嘉欣
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Shenzhen Foreign Exchange Mdt Infotech Ltd
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Shenzhen Foreign Exchange Mdt Infotech Ltd
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Priority to CN201711409884.6A priority Critical patent/CN108364708A/en
Publication of CN108364708A publication Critical patent/CN108364708A/en
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    • H—ELECTRICITY
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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
    • H—ELECTRICITY
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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
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
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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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/46—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/12—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of wires
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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    • H01B13/0003—Apparatus or processes specially adapted for manufacturing conductors or cables for feeding conductors or cables
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    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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    • H01B13/245—Sheathing; Armouring; Screening; Applying other protective layers by extrusion of metal layers
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    • 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
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    • 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
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    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
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    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
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    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
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    • H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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  • Engineering & Computer Science (AREA)
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  • Mechanical Engineering (AREA)
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  • Communication Cables (AREA)

Abstract

The present invention discloses a kind of high electromagnetic pulse-resisting flexibility aluminium alloy cable manufacturing method, including：Step A is made by twisting cable conductor using aluminum-alloy wire；Step B extrudes one layer of foamed thermoplastic elastomers, forms foamed thermoplastic elastomers insulating layer；Step C, wrapped one layer of semi-conductive tape；Step D twists together multiply drainage thread, becomes drainage wire body；Step E, becomes packaging body；Step F in one layer of conductive fabric band of outside longitudinal wrap of the packaging body obtained through step E, and ensures that drain wire body is connected with the conductive fabric band；Step G forms nickel plating copper wire woven shield；Step H becomes foamed thermoplastic elastomers sheath；The chain armor of stainless steel band is arranged in the outside of foamed thermoplastic elastomers sheath in step I.The present invention is cheap, has excellent performance, electromagnetic pulse-resisting effect is good.

Description

Manufacturing method of high-electromagnetic-pulse-resistance flexible aluminum alloy cable
Technical Field
The invention relates to a high-electromagnetic-pulse-resistance cable, in particular to a high-electromagnetic-pulse-resistance flexible aluminum alloy cable and a cable manufacturing method.
Background
The precision detecting instrument has very high requirement on the protection level of related facilities due to the fact that the high-precision detecting effect is achieved, the cable plays a role in signal and power transmission, the shielding effect is particularly important, and for the detecting instrument which is frequently moved or temporarily arranged, the cable needs to meet the requirements of electromagnetic interference resistance, flexibility and light weight.
The conventional cable adopts a copper conductor and copper wire shielding or a copper wire and alloy belt shielding mode, the cable is poor in bending performance and heavy, particularly in occasions where the cable needs to be frequently folded and unfolded, the operation is difficult, and the cable is easy to damage due to drag and drop of a sheath in severe environments such as sand and stone, and the service life of the cable is influenced. This problem is urgently needed to be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high electromagnetic pulse resistance aluminum alloy flexible cable which integrates high electromagnetic pulse resistance, low self weight, soft electric energy and signal transmission.
In order to achieve one of the above objects, the present invention provides a flexible aluminum alloy cable with high electromagnetic pulse resistance, comprising:
the cable comprises a cable conductor, a foamed thermoplastic elastomer insulating layer, a semi-conductive cloth tape wrapping shielding layer, a conductive cloth tape, a nickel-plated copper wire braided shielding layer, a foamed thermoplastic elastomer sheath and a stainless steel tape interlocking armor layer;
wherein,
the cable conductor is formed by stranding a plurality of alloy wires;
the foamed thermoplastic elastomer insulating layer is extruded on the outer side of the cable conductor;
a semi-conductive cloth tape wrapping shielding layer is wrapped on the outer side of the foamed thermoplastic elastomer insulating layer;
the semi-conductive cloth belt is twisted with the drainage wire by wrapping the shielding layer;
the semi-conductive cloth belt is longitudinally wrapped with a layer of conductive cloth belt on the outer sides of the shielding layer and the drainage wire, and the inner surface of the conductive cloth belt is connected with the plurality of drainage wires;
the outer side of the conductive cloth belt is provided with a nickel-plated copper wire braided shielding layer;
a foaming thermoplastic elastomer sheath is extruded on the outer side of the nickel-plated copper wire braided shielding layer;
and a stainless steel band interlocking armor layer is extruded on the outer side of the foaming thermoplastic elastomer sheath.
Preferably, the alloy wire is an aluminum alloy wire.
Preferably, the aluminum alloy wire is a special aluminum alloy wire.
Preferably, the diameter of a single aluminum alloy wire is 0.5mm to 1.0 mm.
Preferably, the cable conductor is formed by twisting a plurality of strands of aluminum alloy wires, and the twisting pitch is 8 to 15 times.
Preferably, the foamed thermoplastic elastomer insulating layer and/or the foamed thermoplastic elastomer sheath has a cell size of 100 to 150 micrometers.
Preferably, the nickel-plated copper wire braided shield layer is braided by a plurality of criss-cross nickel-plated copper wires.
Preferably, the nickel-plated copper wire braided shield layer can be repeatedly stacked in multiple layers.
Preferably, one side of the nickel-plated copper wire braided shielding layer is also provided with one or more copper wire braided layers, and the other side of the nickel-plated copper wire braided shielding layer is also provided with one or more high-magnetic-permeability nickel-iron alloy soft magnetic material strips.
Preferably, the special aluminum alloy wire is a flexible special aluminum alloy wire.
In order to achieve one of the above objects, the present invention provides a cable manufacturing method, including the steps of:
step A, stranding a plurality of aluminum alloy wires to manufacture a cable conductor;
step B, extruding and wrapping a layer of foamed thermoplastic elastomer on the outer surface of the cable conductor to form a foamed thermoplastic elastomer insulating layer;
step C, wrapping a layer of semi-conductive belt outside the foamed thermoplastic elastomer insulating layer;
d, twisting a plurality of drainage wires together to form a drainage wire body;
e, twisting the plurality of cable conductors obtained in the step C and the plurality of drainage wire bodies obtained in the step D together to form a packaging body;
step F, longitudinally wrapping a layer of conductive cloth belt on the outer side of the packaging body obtained in the step E, and ensuring that the lead body is connected with the conductive cloth belt;
step G, weaving a layer of nickel-plated copper wire on the outer side of the conductive cloth belt to form a nickel-plated copper wire woven shielding layer;
step H, extruding and wrapping a thin layer of foamed thermoplastic elastomer on the outer side of the nickel-plated copper wire braided shielding layer to form a foamed thermoplastic elastomer sheath;
and step I, arranging a stainless steel strip interlocking armor layer on the outer side of the foamed thermoplastic elastomer sheath.
Preferably, step a is specifically step a1, step a 1: seven aluminum alloy wires are stranded to manufacture a cable conductor;
step C is specifically step C1, step C1: the semi-conductive belt is a semi-conductive nylon belt, and the thickness of the semi-conductive nylon belt is 0.12 mm;
step D is specifically step D1, step D1: twisting seven strands of drainage wires together to form a drainage wire body;
step E is specifically step E1, step E1: and D, twisting the seven cable conductors obtained in the step C and the six drainage wire bodies obtained in the step D together to form a packaging body.
Preferably, the step C is specifically a step C2, a step C2: the semi-conductive belt is a semi-conductive non-woven belt and is 0.20mm thick.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for power equipment, which comprises the power equipment and is connected with commercial power by adopting the cable.
The invention also discloses a high-resistance battery pulse flexible aluminum alloy cable for VR equipment, which comprises VR equipment such as 3D glasses, and is connected with computer equipment by adopting the cable.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for the Internet of things equipment, which has the structure as above.
The invention also discloses computer equipment adopting the high-resistance battery pulse flexible aluminum alloy cable, which comprises the computer equipment, wherein the cable of the computer equipment adopts the cable. The safety is good, the influence of electric leakage on a patient is avoided, and the stability of the medical equipment is improved.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for medical equipment, which comprises the medical equipment such as a CT machine and nuclear magnetic resonance equipment, and adopts the cable.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for the mental disease treatment equipment, which comprises the mental disease treatment equipment and adopts the cable. The influence of the pulse radiation of the battery on the mental patients is avoided, and the mental patients are prevented from being stimulated.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for the family planning surgical equipment, which comprises the family planning surgical equipment and adopts the cable.
The invention also discloses a high-resistance battery pulse flexible aluminum alloy cable for the lithium battery, which comprises the lithium battery, wherein the lithium battery is connected with electric equipment through the cable.
The invention also discloses a high-resistance battery pulse flexible aluminum alloy cable for the storage battery, which comprises the storage battery, wherein the lithium battery is connected with electric equipment through the cable.
The invention also discloses a high-resistance battery pulse flexible aluminum alloy cable for the graphene battery, which comprises the graphene battery, and the graphene battery is connected with electric equipment through the cable.
The invention also discloses a high-resistance battery pulse flexible aluminum alloy cable for the LED lamp, which comprises LED lamp beads, wherein the LED lamp beads are connected with a power supply device through the cable.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for food processing equipment, which comprises a rolling and kneading machine, wherein the rolling and kneading machine is connected with a power supply device through the cable.
The invention also discloses a high-battery-resistance pulse flexible aluminum alloy cable for the mixing station for the constructional engineering, which comprises the mixing station and is connected with a power supply device through the cable.
The invention provides a flexible aluminum alloy cable with high electromagnetic pulse resistance, which is suitable for connecting precision equipment such as a detecting instrument and the like with electric power and a control system under strong electromagnetic interference of frequent drag and drop movement in severe environments such as sand and stones and the like, and integrates high electromagnetic pulse resistance, low self weight and flexible electric energy and signal transmission. The cable has strong anti-electromagnetic interference performance, stable power transmission performance, small signal interference during signal transmission and capability of effectively avoiding signal stealing. The invention has the advantages of low manufacturing cost, excellent performance, simple manufacturing process, novel design, strong practicability, good stability, high reliability, convenient use and easy popularization and application.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts multi-strand special aluminum alloy wire twisting as the cable conductor, ensures that the cable has lighter weight and better bending property under the same conductive capability, and overcomes the defects of poor tensile property, poor strength and poor bending fatigue property of the aluminum conductor or the common aluminum alloy conductor.
2. The insulation and the sheath of the cable adopt the foaming thermoplastic elastomer, so that the insulation of the cable is ensured to have better insulation performance, the insulation and the sheath are ensured to have good physical and mechanical properties, and meanwhile, the foaming structure is adopted to further reduce the weight of the cable.
3. The cable insulation is wrapped by the semi-conductive cloth belt, so that an insulation external electric field is uniform and is connected with the conductive cloth belt, the electric field between each phase is balanced by the synergistic effect of the semi-conductive cloth belt and the conductive cloth belt, the mutual inductance effect is reduced, the internal noise is reduced, and the external interference is shielded.
4. Adopt indulging a packet of electrically conductive strap and nickel-plated copper wire and weave, adopt indulge the existence that has reduced the gap that the packet mode is very big, have better shielding performance than adopting around the package mode, nickel-plated copper wire is woven and is indulged packet of electrically conductive strap on the one hand and tighten, and on the other hand is complementary with electrically conductive strap is in coordination, ensures no magnetic leakage, electric wave leakage to both cooperate and all have good shielding effect at high frequency, low frequency.
5. The invention adopts the weaving synergistic effect of the semi-conductive cloth belt, the conductive cloth belt and the nickel-plated copper wire, balances the electric field among all phases, lightens the mutual inductance effect, reduces the internal noise and completely shields the external interference.
6. The outermost layer of the cable is protected by the stainless steel interlocking armor layer, so that the cable has a good protection effect on the premise of good flexibility and has a certain shielding effect.
7. The manufacturing process is simple, the cable has excellent anti-corrosion performance and long service life.
8. The number of strands of alloy wires forming the cable conductor can be increased or decreased, and cables of various specifications can be conveniently manufactured.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of a flexible aluminum alloy cable with high electromagnetic pulse resistance according to the present invention;
fig. 2 is a process schematic view of a cable manufacturing method according to the invention;
reference numerals:
a cable conductor 10; a foamed thermoplastic elastomer insulating layer 20; the semi-conductive cloth belt is wrapped with a shielding layer 30; a drainage wire 40; a conductive cloth tape 50; a nickel-plated copper wire braided shield layer 60; a foamed thermoplastic elastomer jacket 70; a stainless steel strip interlocking armor layer 80;
step A91; step B92; step C93; step D94; step E95; step F96; step G97; step H98; step I99.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 2, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention; fig. 2 is a process schematic view of the cable manufacturing method according to the present invention.
Referring to fig. 1, the flexible aluminum alloy cable with high electromagnetic pulse resistance provided by the invention comprises a cable conductor 10, a foamed thermoplastic elastomer insulating layer 20, a semi-conductive cloth tape wrapped shielding layer 30, a conductive cloth tape 50, a nickel-plated copper wire braided shielding layer 60, a foamed thermoplastic elastomer sheath 70 and a stainless steel tape interlocked armor layer 80; wherein, the cable conductor 10 is formed by twisting a plurality of alloy wires; the outer side of the cable conductor 10 is extruded with a foamed thermoplastic elastomer insulating layer 20; a semi-conductive cloth tape wrapping shielding layer 30 is wrapped outside the foamed thermoplastic elastomer insulating layer 20; the foamed thermoplastic elastomer insulating layer 20 is twisted with the drainage wire 40; the foamed thermoplastic elastomer insulating layer 20 and the outer sides of the drainage wires 40 are longitudinally wrapped with a layer of conductive cloth belt 50, and the inner surface of the conductive cloth belt 50 is connected with the plurality of drainage wires 40; the outer side of the conductive cloth belt 50 is provided with a nickel-plated copper wire braided shielding layer 60; a foaming thermoplastic elastomer sheath 70 is extruded outside the nickel-plated copper wire braided shielding layer 60; and a stainless steel strip interlocking armor layer 80 is extruded outside the foamed thermoplastic elastomer sheath 70.
In the above embodiment, the number of strands of the alloy wires constituting the cable conductor 10 can be increased or decreased. The cable insulation adopts semi-conductive strap 50 to wind the package, when making insulating outside electric field even, is connected with electrically conductive strap 50, and the two synergism has balanced the electric field between each looks, has alleviateed mutual inductance effect, has reduced the internal noise, has shielded external disturbance.
Adopt indulging to wrap electrically conductive strap 50 and nickel-plated copper wire and weave, adopt indulging the existence that has reduced the gap that the package mode is very big, have better shielding performance than adopting around the package mode, nickel-plated copper wire is woven and is indulged wrap electrically conductive strap 50 on the one hand and tighten, and on the other hand is complementary with electrically conductive strap 50 in coordination, ensures no magnetic leakage, electric wave leakage to both cooperate and all have good shielding effect at high frequency, low frequency.
In an embodiment of the present invention, the alloy wire is an aluminum alloy wire.
Specifically, the aluminum alloy wire is a special aluminum alloy wire.
More specifically, the special aluminum alloy wire is a flexible special aluminum alloy wire.
More specifically, the special aluminum alloy wire is an aluminum alloy wire which has better bending property than a common aluminum alloy wire and has lower density than the common aluminum alloy wire.
In the embodiment, the special aluminum alloy wire is adopted, so that the cable is lighter in weight and better in bending performance under the same conductive capacity, and the defects of poor tensile property, poor strength and poor bending fatigue performance of an aluminum conductor or a common aluminum alloy conductor are overcome by adopting the special aluminum alloy conductor.
As an embodiment of the invention, the special aluminum alloy wire is made of ultra-fine grain 6061 aluminum alloy.
As an embodiment of the invention, the aluminum alloy wire used comprises 0.41-0.54% of Si, 0.14-0.21% of Fe, less than or equal to 0.04% of Cu, less than or equal to 0.03% of Mn, 0.41-0.53% of Mg, less than or equal to 0.09% of Zn, less than or equal to 0.03% of Cr, less than or equal to 0.02% of single impurity, less than or equal to 0.09% of total impurity, and the balance of Al.
As an embodiment of the invention, the diameter of a single aluminum alloy wire is 0.5mm to 1.0 mm.
As an embodiment of the present invention, the cable conductor 10 is formed by twisting a plurality of aluminum alloy wires, and a twisting pitch thereof is 8 to 15 times.
As an embodiment of the present invention, the cell diameter of the foamed thermoplastic elastomer insulation layer 20 and/or the foamed thermoplastic elastomer sheath 70 is 100 to 150 micrometers.
In the embodiment, the cable insulation has good insulation performance, the insulation and the sheath have good physical and mechanical properties, and meanwhile, the foaming structure is adopted to further reduce the weight of the cable.
As an embodiment of the present invention, an outer sheath is further disposed outside the stainless steel interlocking armor layer 80.
Specifically, the outer sheath is made of one or more of polyvinyl chloride, polyethylene, silicon rubber, low-smoke halogen-free flame-retardant polyolefin, thermoplastic elastomer and thermoplastic polyurethane.
More specifically, the outer sheath is detachably connected with the stainless steel strip interlocking armor layer 80.
As an embodiment of the present invention, the inner side of the conductive cloth tape 50 is further provided with a filling material.
As an embodiment of the invention, the filling material is one or more of polypropylene rope, cotton rope and low-smoke halogen-free flame-retardant rope.
As an embodiment of the present invention, the nickel-plated copper wire braided shield layer 60 is braided from a plurality of criss-cross nickel-plated copper wires.
As an embodiment of the present invention, the nickel-plated copper braided wire shielding layer 60 may be repeatedly stacked in multiple layers.
As an embodiment of the present invention, one side of the braided shielding layer 60 of nickel-plated copper wire is further provided with one or more copper wire braided layers, and the other side is further provided with one or more soft magnetic material strips of high magnetic permeability nickel-iron alloy.
Referring to fig. 2, to achieve one of the above objects, the present invention provides a cable manufacturing method, including the steps of:
step A91, stranding a plurality of aluminum alloy wires to manufacture a cable conductor 10;
step B92, extruding a layer of foaming thermoplastic elastomer on the outer surface of the cable conductor 10 to form a foaming thermoplastic elastomer insulating layer 20;
step C93, wrapping a layer of semi-conductive belt outside the foamed thermoplastic elastomer insulating layer 20;
d94, twisting the plurality of drainage wires 40 together to form a drainage wire body;
step E95, twisting the cable conductors 10 obtained in the step C93 and the drainage wires obtained in the step D94 together to form a package;
step F96, longitudinally wrapping a layer of conductive cloth belt 50 on the outer side of the packaging body obtained in the step E95, and ensuring that the lead body is connected with the conductive cloth belt 50;
step G97, weaving a layer of nickel-plated copper wire on the outer side of the conductive cloth belt 50 to form a nickel-plated copper wire woven shielding layer 60;
step H98, extruding a thin layer of foamed thermoplastic elastomer on the outer side of the nickel-plated copper wire braided shielding layer 60 to form a foamed thermoplastic elastomer sheath 70;
step I99, a stainless steel tape interlocking armor 80 is provided on the outside of the foamed thermoplastic elastomer sheath 70.
3 3 3 preferably 3 3 3, 3 3 3 step 3 3 3 a 3 3 3 91 3 3 3 is 3 3 3 specifically 3 3 3 step 3 3 3 a 3 3 3- 3 3 3 a 3 3 3, 3 3 3 step 3 3 3 a 3 3 3- 3 3 3 a 3 3 3: 3 3 3 Seven aluminum alloy wires are stranded to manufacture a cable conductor 10;
step C93 is specifically step C1, step C1: the semi-conductive belt is a semi-conductive nylon belt, and the thickness of the semi-conductive nylon belt is 0.12 mm;
step D94 is specifically the step D1, the step D1: twisting seven strands of drainage wires 40 together to form a drainage wire body;
step E95 is specifically a step E1, a step E1: the seven cable conductors 10 from step C93 and the six conductors from step D94 were twisted together into a package.
Preferably, the step C93 is specifically a step C2, a step C2: the semi-conductive belt is a semi-conductive non-woven belt and is 0.20mm thick.
Further, the step a91 specifically includes:
step A1: the preparation of the aluminum alloy wire comprises the following elements, by mass, 0.41-0.54% of Si, 0.14-0.21% of Fe, less than or equal to 0.04% of Cu, less than or equal to 0.03% of Mn, 0.41-0.53% of Mg, less than or equal to 0.09% of Zn, less than or equal to 0.03% of Cr, less than or equal to 0.02% of single impurity, less than or equal to 0.09% of total impurity, and the balance of Al. Electrically melting the aluminum alloy ingot, extruding and forming a single aluminum alloy wire with the diameter of 0.5mm to 1.0mm, and then carrying out T6 heat treatment;
step A2: the preparation method of the aluminum alloy corrosion-resistant coating is characterized by comprising the following steps of:
step A21: preparing a cobalt-containing aqueous solution by uniformly mixing 0.01-0.2 mol/L cobalt oxalate, 0.02-2.5 mol/L ammonium nitrate, 0.02-2.5 mol/L potassium nitrite, 0.02-2.0 mol/L formic acid and 0.2-1.0 mol/L water-soluble oxidant by taking deionized water as a solvent, then irradiating the mixture for 30 minutes by adopting ultraviolet rays and then irradiating the mixture for 5 minutes by adopting 5W intensity laser;
step A22, forming a cobalt protective layer; immersing an aluminum alloy wire in a cobalt-containing aqueous solution, heating to 51-64 ℃, and reacting for 5-24 minutes to perform chemical reaction on the surface of the aluminum alloy to form a cobalt protective layer with the thickness of 105-390 nm, so that the surface of the aluminum alloy has good corrosion resistance;
step A23, spraying a polymer protective layer, adding polyaniline of 100-200g/L and 2-mercapto-5-amino-10.002-0.005 mol/L into a mixed solution of N-methylpyrrolidone and chloroform, stirring and mixing to prepare a spraying liquid, and spraying the spraying liquid onto the surface of the cobalt protective layer of the aluminum alloy obtained in the step A22 to form the polymer protective layer, so as to obtain an aluminum alloy product with the corrosion-resistant coating;
and B, wherein the polyaniline in the step A23 is polyaniline obtained by oxidizing bromine water and removing water through vacuum freeze drying.
In the above embodiment, the corrosion resistance of the cable conductor 10 is enhanced and the service life of the cable is enhanced by modifying step a 91. The manufacturing method is simple, convenient and reliable, and has low cost and good effect.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts multi-strand special aluminum alloy wire stranding as the cable conductor 10, ensures that the cable has lighter weight and better bending property under the same conductive capability, and overcomes the defects of poor tensile property, poor strength and poor bending fatigue property of an aluminum conductor or a common aluminum alloy conductor.
2. The insulation and the sheath of the cable adopt the foaming thermoplastic elastomer, so that the insulation and the sheath have good physical and mechanical properties, and the weight of the cable is reduced.
3. The cable insulation is wrapped by the semi-conductive cloth belt 50, so that an insulated external electric field is uniform.
4. According to the invention, the semi-conductive cloth belt 50, the conductive cloth belt 50 and the nickel-plated copper wire are adopted to weave the synergistic effect, so that the electric field among all phases is balanced, the mutual inductance effect is reduced, the internal noise is reduced, and the external interference is completely shielded.
5. The outermost layer of the cable is protected by the stainless steel interlocking armor layer, so that the cable has a good protection effect on the premise of good flexibility and has a certain shielding effect.
The invention provides a flexible aluminum alloy cable with high electromagnetic pulse resistance, which is suitable for connecting precision equipment such as a detecting instrument and the like with electric power and a control system under strong electromagnetic interference of frequent drag and drop movement in severe environments such as sand and stones and the like, and integrates high electromagnetic pulse resistance, low self weight and flexible electric energy and signal transmission. The cable has strong anti-electromagnetic interference performance, stable power transmission performance, small signal interference during signal transmission and capability of effectively avoiding signal stealing. The invention has the advantages of low manufacturing cost, excellent performance, simple manufacturing process, novel design, strong practicability, good stability, high reliability, convenient use and easy popularization and application.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims (1)

1. A manufacturing method of a high-electromagnetic-pulse-resistance flexible aluminum alloy cable is characterized by comprising the following steps:
step A, stranding a plurality of aluminum alloy wires to manufacture a cable conductor;
step B, extruding and wrapping a layer of foamed thermoplastic elastomer on the outer surface of the cable conductor to form a foamed thermoplastic elastomer insulating layer;
step C, wrapping a layer of semi-conductive belt outside the foamed thermoplastic elastomer insulating layer;
d, twisting a plurality of drainage wires together to form a drainage wire body;
e, twisting the plurality of cable conductors obtained in the step C and the plurality of drainage wire bodies obtained in the step D together to form a packaging body;
step F, longitudinally wrapping a layer of conductive cloth belt on the outer side of the packaging body obtained in the step E, and ensuring that the lead body is connected with the conductive cloth belt;
step G, weaving a layer of nickel-plated copper wire on the outer side of the conductive cloth belt to form a nickel-plated copper wire woven shielding layer;
step H, extruding and wrapping a thin layer of foamed thermoplastic elastomer on the outer side of the nickel-plated copper wire braided shielding layer to form a foamed thermoplastic elastomer sheath;
step I, arranging a stainless steel strip interlocking armor layer on the outer side of the foamed thermoplastic elastomer sheath;
step a is specifically step a1, step a 1: seven aluminum alloy wires are stranded to manufacture a cable conductor;
step C is specifically step C1, step C1: the semi-conductive belt is a semi-conductive nylon belt, and the thickness of the semi-conductive nylon belt is 0.12 mm;
step D is specifically step D1, step D1: twisting seven strands of drainage wires together to form a drainage wire body;
step E is specifically step E1, step E1: twisting the seven cable conductors obtained in the step C and the six drainage wire bodies obtained in the step D together to form a packaging body;
the step a1 specifically includes:
step A11: preparing aluminum alloy wires, wherein the aluminum alloy ingot comprises the following elements, by mass, 0.41-0.54% of Si, 0.14-0.21% of Fe, less than or equal to 0.04% of Cu, less than or equal to 0.03% of Mn, 0.41-0.53% of Mg, less than or equal to 0.09% of Zn, less than or equal to 0.03% of Cr, less than or equal to 0.02% of single impurity, less than or equal to 0.09% of total impurities, and the balance of Al; electrically melting the aluminum alloy ingot, extruding and forming a single aluminum alloy wire with the diameter of 0.5mm to 1.0mm, and then carrying out T6 heat treatment;
step A12: the preparation method of the aluminum alloy corrosion-resistant coating specifically comprises the following steps:
step A121: preparing a cobalt-containing aqueous solution by uniformly mixing 0.01-0.2 mol/L cobalt oxalate, 0.02-2.5 mol/L ammonium nitrate, 0.02-2.5 mol/L potassium nitrite, 0.02-2.0 mol/L formic acid and 0.2-1.0 mol/L water-soluble oxidant by taking deionized water as a solvent, then irradiating the mixture for 30 minutes by adopting ultraviolet rays and then irradiating the mixture for 5 minutes by adopting 5W intensity laser;
step A122, forming a cobalt protective layer; immersing an aluminum alloy wire in a cobalt-containing aqueous solution, heating to 51-64 ℃, and reacting for 5-24 minutes to perform chemical reaction on the surface of the aluminum alloy to form a cobalt protective layer with the thickness of 105-390 nm, so that the surface of the aluminum alloy has good corrosion resistance;
step A123, spraying a polymer protective layer, adding polyaniline of 100-200g/L and 2-mercapto-5-amino-10.002-0.005 mol/L into a mixed solution of N-methylpyrrolidone and chloroform, stirring and mixing to prepare a spraying liquid, and spraying the spraying liquid onto the surface of the cobalt protective layer of the aluminum alloy obtained in the step A22 to form the polymer protective layer, so as to obtain an aluminum alloy product with the corrosion-resistant coating;
wherein the polyaniline obtained in the step A123 is polyaniline obtained by oxidizing bromine water and removing water through vacuum freeze drying;
the outer sheath is made of one or more of polyvinyl chloride, polyethylene, silicon rubber, low-smoke halogen-free flame-retardant polyolefin, thermoplastic elastomer and thermoplastic polyurethane.
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CN105355257A (en) * 2014-08-24 2016-02-24 沈阳沈缆四环电缆制造有限公司 Aluminum alloy power cable
CN104505170A (en) * 2015-01-04 2015-04-08 北京亨通斯博通讯科技有限公司 Communication cable for photovoltaic power generation system

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CN108330481A (en) 2018-07-27
CN108364709A (en) 2018-08-03
CN108346485A (en) 2018-07-31
CN108109715A (en) 2018-06-01
CN108281212A (en) 2018-07-13
CN106297975B (en) 2018-01-19
CN106297975A (en) 2017-01-04
CN108364712A (en) 2018-08-03
CN108346486A (en) 2018-07-31

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