CN105895254A - Symmetrically-stranded high-temperature-resistant low-noise cable and manufacturing method therefor - Google Patents

Symmetrically-stranded high-temperature-resistant low-noise cable and manufacturing method therefor Download PDF

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Publication number
CN105895254A
CN105895254A CN201610369514.3A CN201610369514A CN105895254A CN 105895254 A CN105895254 A CN 105895254A CN 201610369514 A CN201610369514 A CN 201610369514A CN 105895254 A CN105895254 A CN 105895254A
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CN
China
Prior art keywords
semiconductor layer
conductor
cable
noise
temperature
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CN201610369514.3A
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Chinese (zh)
Inventor
孙子元
郭永祥
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Tianjin Langxing Wire & Cable Co Ltd
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Tianjin Langxing Wire & Cable Co Ltd
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Priority to CN201610369514.3A priority Critical patent/CN105895254A/en
Publication of CN105895254A publication Critical patent/CN105895254A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • H01B11/002Pair constructions
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • H01B11/02Cables with twisted pairs or quads
    • H01B11/04Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • H01B11/02Cables with twisted pairs or quads
    • H01B11/06Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/02Disposition of insulation
    • H01B7/0208Cables with several layers of insulating material
    • H01B7/0216Two layers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame

Abstract

The invention provides a symmetrically-stranded high-temperature-resistant low-noise cable. The cable comprises at least one pair of conductors, wherein each conductor is coated with a third semiconductor layer; the exterior of the third semiconductor layer is coated with a braided shielding layer; the exterior of the braided shielding layer is coated with a fluoroplastic sheath; the exterior of each conductor is coated with a first semiconductor layer, a first fluoroplastic insulating layer and a second semiconductor layer from inside to outside; and the gap between the second semiconductor layer and the third semiconductor layer is filled with a gelatinoid. The manufacturing method for the cable comprises the following steps of (i) drawing copper filaments; (ii) annealing the copper filaments; (iii) carrying out bunch-stranding on the copper filaments to obtain a conductor; (iv) preparing a core body; (v) preparing a twisted-pair core body; and (vi) forming the cable. According to the cable, the first fluoroplastic insulating layer is arranged between the two semiconductor layers, so that equipotential between the conductor layers is realized; and meanwhile, the braided shielding layer and the sheath are arranged on the exterior of the conductor, so that the cable is high in vibration resistance, compression resistance and temperature adaptive capacity, and simple in manufacturing method and process.

Description

A kind of symmetrical stranded High-temperature-reslow-noise low-noise cable and manufacture method thereof
Technical field
The present invention relates to the technical field of cable, especially relate to a kind of symmetry being applied to electronic equipment stranded high temperature resistant Low noise cable and manufacture method thereof.
Background technology
In fields such as industry, medical science and service occupatioies, in order to adapt to the epoch of fast development, electronic equipment is in these fields Application gradually popularized, electronic equipment refers to be made up of electronic devices and components such as integrated circuit, transistor, electron tubes, should The equipment played a role with electronics technical software, the robot including electronic computer and controlled by electronic computer, numerical control Or stored program controlled etc., also include computer, air-conditioning, refrigerator, washing machine, microwave oven, printer, facsimile machine, all-in-one etc., incite somebody to action Electronic apparatus application is in the field such as industry, medical science and service occupation, to meet fast-developing demand electronic age.Electronics sets Standby application, will necessarily relate to data transmission, and it is mainly carried out data transmission by communication cable, uses communication cable to enter Row data are transmitted, and have the advantages such as message capacity is big, transmission stability is high, good confidentiality.
In the prior art, communication cable internal structure is fairly simple, and its internal structure is for being uniformly placed with many signals Line, and it is coated with screen layer, waterproof layer and external protection coating successively in the outside of all holding wires, communication cable is applied to electricity After on subset, electronic equipment is as a example by computer, and the data message received can be identified by computer, utilizes logical The data message received quickly is fed back to receive on server by communication cable, in order to server is in time to the data message fed back Process, then up-to-date data message is shown, it is simple to people read data, improve the work efficiency of people.
But, in prior art, the medium kind in cable is the most, in use, and the interior part between medium Son can rub, thus produces the separation of electric charge;Cable is under the influence of by external environment, and the electric capacity of cable also can occur Changing, the change of electric capacity can cause the separation of electric charge;It addition, electrolyte in cable is made by external force going up in a certain direction With and when deforming, it may appear that piezoelectric effect, then produce the separation of electric charge;And in cable, rub between conductor and medium Time, also can produce the separation of electric charge, in sum, contact between conductor and dielectric, suffer due to external influence During destruction, easily produce the separation of electric charge, thus cause generation noise in cable, cause the ability of this cable adaptive temperature to drop Low, it is difficult to the environment that adaptive temperature excursion is big, and then have impact on normally using of cable, reduce the work effect of cable Rate, finally have impact on the work efficiency of people.
Summary of the invention
It is an object of the invention to provide a kind of symmetrical stranded High-temperature-reslow-noise low-noise cable, to solve prior art exists The friction of common communication cable medium molecule within cable produce the separation of electric charge, or when being affected by external force, The electric capacity of cable changes suddenly the separation producing electric charge, or when the electrolyte in cable is affected by external force, the piezoelectricity effect of appearance The separation of electric charge should be produced, or when cable rubs between conductor and medium, produce the separation of electric charge, the separation of electric charge, make Become and cable produces noise, and make the limited problem of the temperature applicable range of this cable.
The symmetrical stranded High-temperature-reslow-noise low-noise cable of one of the present invention, including: at least one pair of conductor, described conductor is coated on In 3rd semiconductor layer, the outside of the 3rd semiconductor layer is coated with woven shield, and the outside of woven shield is coated with fluorine and moulds Material sheath;
The outside of described conductor is coated with the first semiconductor layer, the first fluoroplastic insulation layer and the second quasiconductor from the inside to the outside Layer;
Gap between described second semiconductor layer and the 3rd semiconductor layer is filled with colloid substance.
Further, described conductor is multiply silver-plated soft copper conductor.
Further, the cross section of described first semiconductor layer, the first fluoroplastic insulation layer and the second semiconductor layer is annulus Shape.
Further, the cross section of described 3rd semiconductor layer, woven shield and fluoroplastics sheath is oval ring.
Further, described first semiconductor layer, the second semiconductor layer and the 3rd semiconductor layer use around pouch-type or extrusion The structure of type.
Further, described woven shield is entwined by silver-plated soft copper conductor, is wound around coverage rate more than 90%.
Further, described colloid substance is gel.
A kind of method manufacturing symmetrical stranded High-temperature-reslow-noise low-noise cable of the present invention, comprises the steps:
() draws copper monofilament
Utilize stress metal to be processed, make metal be forced through pinch roller under the effect of external force, make copper monofilament, so After at normal temperatures, utilize wire drawing machine to pass through together or the nib of multiple tracks pinch roller, draw out many copper monofilament respectively;
() copper monofilament is annealed
The copper monofilament heating of molding will be drawn, make annealing treatment;
() bundle strand soft copper conductor
Many copper filament tows after annealing are twisted into conductor;
() coremaking body
The first semiconductor layer, the first fluoroplastic insulation layer and the second semiconductor layer it is coated with successively, cladding in the outside of conductor After, prepare core body;
() multiple twin processed core body
By two prepared core bodys to being twisted into a multiple twin core body;
() stranding
By outside cladding the 3rd semiconductor layer of multiple twin core body, the outside cladding woven shield of the 3rd semiconductor layer, compile Knit the outside suit fluoroplastics sheath of screen layer, and with the second semiconductor layer on gel-filled core body and the 3rd semiconductor layer it Between gap.
Further, described core body is at least a pair.
Further, the forming method of described first fluoroplastic insulation layer and fluoroplastics sheath uses around pouch-type or extrusion type Method.
The stranded High-temperature-reslow-noise low-noise cable of symmetry that the present invention provides, described conductor is coated in the 3rd semiconductor layer, the The outside of three semiconductor layers is coated with woven shield, and the outside of woven shield is coated with fluoroplastics sheath, woven shield Can effectively prevent the impact on conductor of external electrical field and magnetic field, improve the interference defence degree of wire rod, sheath uses fluorine to mould Material, not only the outside to cable carries out strengthening protection, and makes the temperature adaptation ability of cable strong;The conductor of this cable is at least A pair, use symmetrical stranded method to make, during use, reduce the interference between wire, make the energy of wire transmission data Power is the most stable;The conductor of this cable is coated with the first semiconductor layer, the first fluoroplastic insulation layer and the most successively Two semiconductor layers, are easily formed air gap between cable conductor and insulating barrier, owing to conductive surface is rough, electric field can be caused to concentrate, One layer of fluoroplastic insulation layer is added so that the conductor isoelectric level of two conductor layers and fluoroplastics in the middle of two conductor layers of conductor Insulating barrier good contact, thus avoid the phenomenon of the shelf depreciation occurred between conductor and fluoroplastic insulation layer, this cable Use the design of said structure, reach the purpose of the Electric Field Distribution improving cable;Two conductors are coated on the 3rd quasiconductor Layer in, make isoelectric level between conductor and the 3rd semiconductor layer, the outside of the 3rd semiconductor layer be coated with successively woven shield and Fluoroplastics sheath so that the 3rd semiconductor layer has good contacting with braiding insulating barrier, with fluoroplastics sheath isoelectric level, works as system When being short-circuited, as the passage of short circuit current, woven shield can play the effect of shielding electric field, thus reduces in cable The probability of insulation breakdown is there is between core and core;Gap between second semiconductor layer and the 3rd semiconductor layer is filled with glue Material, the watertightness performance making this cable is more preferable.The invention also discloses the manufacture of the stranded High-temperature-reslow-noise low-noise cable of a kind of symmetry Method, comprises the steps: that () draws copper monofilament;() copper monofilament is annealed;() bundle strand soft copper conductor;() coremaking body; () multiple twin processed core body;() stranding, described conductor uses many copper filament tows to be twisted into type, meets wanting of cable alternating bending Ask, improve the tensile strength that cable is overall;The outside of conductor is coated with the first semiconductor layer, the first fluoroplastic insulation layer successively The prepared core body with after the second semiconductor layer, then by two prepared core bodys to being twisted into a multiple twin core body, use pair twist technique, make The tensile strength obtaining cable strengthens, and noise-reducing is effective;The 3rd semiconductor layer, braid shielded it is coated with successively outside multiple twin core body Layer, fluoroplastics sheath, improve the resistance to elevated temperatures of this cable.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the stranded High-temperature-reslow-noise low-noise cable of a kind of symmetry that Fig. 1 provides for the embodiment of the present invention;
The flow process of the manufacture method of the stranded High-temperature-reslow-noise low-noise cable of a kind of symmetry that Fig. 2 provides for the embodiment of the present invention Figure.
Reference:
11-conductor;12-the first semiconductor layer;13-the first fluoroplastic insulation layer;
14-the second semiconductor layer;15-the 3rd semiconductor layer;16-woven shield;
17-fluoroplastics sheath.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " on ", D score, " vertically ", " interior ", the instruction such as " outward " Orientation or position relationship are based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification is retouched State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, Therefore it is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and not It is understood that as instruction or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " connects " and should do Broadly understood, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, It can also be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals Connection.For the ordinary skill in the art, above-mentioned term specifically containing in the present invention can be understood with concrete condition Justice.
Embodiment 1
The structural representation of the stranded High-temperature-reslow-noise low-noise cable of a kind of symmetry that Fig. 1 provides for the embodiment of the present invention;Such as Fig. 1 Shown in, the symmetrical stranded High-temperature-reslow-noise low-noise cable of one that the present embodiment provides, including: at least one pair of conductor 11, described conductor 11 are coated in the 3rd semiconductor layer 15, and the outside of the 3rd semiconductor layer 15 is coated with woven shield 16, woven shield 16 Outside be coated with fluoroplastics sheath 17;
The outside of described conductor 11 is coated with first semiconductor layer the 12, first fluoroplastic insulation layer 13 and second from the inside to the outside Semiconductor layer 14;
Gap between described second semiconductor layer 14 and the 3rd semiconductor layer 15 is filled with colloid substance.
Described conductor 11 at least a pair, the present embodiment uses pair of conductors 11, it is also possible to according to actually used demand It is set to multipair conductor 11, uses two-conductor line to arrange, the interference between each pair of wire can be reduced, and every couple of conductor is all done Become stranded shape so that the heart yearn of cable is thinner, stable performance.And conductor 11 is coated on the interior of the 3rd semiconductor layer 15 Portion so that inside and outside conductor realizes isoelectric level, the outside of the 3rd semiconductor layer 15 is also wrapped on woven shield 16, due to cable The current ratio passed through is relatively big, can produce magnetic field, in order to not affect adjacent element, install woven shield 16 additional permissible around electric current This electromagnetic-field-shielded in cable, furthermore it is also possible to play certain ground protection effect, if occurred in cable core Breakage, the electric current leaked can play the effect of safeguard protection along woven shield 16 ground connection;Described woven shield The outside of 16 is also wrapped on fluoroplastics sheath 17, and fluoroplastics sheath 17 not only can play the effect of insulation, additionally it is possible to protection electricity Cable is not mechanically damaged;Described conductor 11 is coated with first semiconductor layer the 12, first fluoroplastic insulation layer the most successively 13 and second semiconductor layer 14, such stratified energy mechanism is reasonable, owing to cable conductor is formed by multiple conducting wires is stranded, and conductor And there is between insulating barrier air gap, cause conductive surface rough, thus cause electric field to concentrate, add one layer in the outside of conductor 11 First semiconductor layer 12 so that it and conductor 11 isoelectric level, and contact well with insulating barrier, thus avoid in conductor and insulation The shelf depreciation occurred between Ceng, it addition, also likely to be present gap at insulating surface and sheath contact position, because cause herein The principal element of shelf depreciation, so one layer of first fluoroplastic insulation layer 13 can be added in the outside of the first semiconductor layer 12 so that It has good contacting with the insulating barrier shielded, and protective metal shell isoelectric level, thus avoid insulating barrier and sheath it Between occur shelf depreciation, in order to realize isoelectric level, be also wrapped on the second quasiconductor in the outside of the first fluoroplastic insulation layer 13 Layer 14, it is to avoid the shelf depreciation occurred between conductor and insulating barrier.
Further, described conductor 11 is multiply silver-plated soft copper conductor.
In described conductor 11 during indirect current, owing to Lenz's law produces Kelvin effect, the namely electric current of conductive surface Density, more than the electric current density of conductor, is equivalent to reduce the sectional area of conductor, thus substantially increases the resistance of conductor, So improve the conductive capability of conductor on the whole.Described multiply silver-plated soft copper conductor has higher overcurrent capability, consumption Copper is few, and soft, easy-to-use.
Further, described first semiconductor layer the 12, first fluoroplastic insulation layer 13 and the cross section of the second semiconductor layer 14 For annular.
The cross section of described conductor 11 is circular, the first semiconductor layer the 12, first fluoroplastic insulation layer 13 and the second quasiconductor Layer 14 is coated on the outside of conductor 11 successively, is radially arranged along same with conductor 11, and identical with the external shape of conductor 11, Being circle, it is simple to conductor 11 transmits signal, semiconductor layer improves Electric Field Distribution, and carries out good contacting with insulating barrier, Avoid the shelf depreciation occurred between conductor and insulating barrier.
Further, the cross section of described 3rd semiconductor layer 15, woven shield 16 and fluoroplastics sheath 17 is elliptical ring Shape.
Described conductor 11 includes at least one pair of, after the outside cladding multilamellar of conductor 11, then conductor 11 is coated on the 3rd In semiconductor layer 15, the cross section of the 3rd semiconductor layer 15 is oval ring, keeps the initial condition of conductor 11, it is simple to signal passes Defeated, the outside cladding woven shield 16 of the 3rd semiconductor layer 15, the cross section of woven shield 16 is also configured as oval ring, just Shield in interference signal to external world, the outside cladding fluoroplastics sheath 17 of woven shield 16, fluoroplastics sheath 17 Cross section is oval ring, protects the outside of whole cable, and can preferably adapt to the structure design of this cable.
Further, described first semiconductor layer the 12, second semiconductor layer 14 and the 3rd semiconductor layer 15 use around pouch-type Or the structure of extrusion type.
Described first semiconductor layer the 12, second semiconductor layer 14 and the 3rd semiconductor layer 15 are for partly to lead around pouch-type or extrusion type Electricity fluorubber material.Described fluorubber refers to the synthesis high polymer elastic on the carbon atom of main chain or side chain containing fluorine atom Body, due to the introducing of fluorine atom, applies when this area, have the advantage that excellence thermostability, non-oxidizability, oil resistivity, Corrosion resistance and resistance to weathering.Described first fluoroplastic insulation layer 13 and fluoroplastics sheath 17 are around pouch-type or extrusion type fluorine Quality of rubber materials, owing to described sheath is to use fluoroplastics material to make, fluoroplastics are by fluorochemical monomer such as tetrafluoroethene, hexafluoro The monomers such as propylene, CTFE, vinylidene, fluorothene, hexafluoro-isobutene, perfluoroalkyl vinyl ether and ethylene pass through Homopolymerization or copolyreaction prepare, and fluoroplastics are various in style, but by most with politef purposes for quantity and purposes, by Fluorine carbon bond bond energy in it is the highest and the shielding action of fluorine atom, it is applied when this area, has the advantage that excellent Resistance to chemical corrosion good, dielectric properties are good, weather-resistant property is good and cannot not fire viscously, low-friction coefficient and wider use Temperature range etc..
Further, described woven shield 16 is entwined by silver-plated soft copper conductor, is wound around coverage rate more than 90%.
Described woven shield 16 is semiconductive shielding layer, be arranged on the 3rd semiconductor layer 15 and fluoroplastics sheath 17 it Between, ground connection during use, the common interference shielding outer bound pair cable small-signal, it is ensured that metallic shield signal disturbing screen to external world The reliability covered and effectiveness, it is achieved the low noise characteristic of cable, reached the effect of noise reduction.Woven shield 16 uses partly leads Shield layer, not only can shield electromagnetic field, during by electric current, owing to current ratio is relatively big, can produce magnetic field around electric current, in order to Not affecting other element, installing this semiconductive shielding layer additional can be electromagnetic-field-shielded in cable, meanwhile, if in cable core Breakage occurs, and the electric current leaked can serve the effect of safeguard protection along shielding layer grounding net.
Further, described colloid substance is gel.
Described gel refers to that the colloidal particle in colloidal sol or solution or macromolecule interconnect under certain condition, forms sky Between network structure, make structural void is filled with the liquid as disperse medium, form a kind of special dispersion.Due to solidifying Glue does not has mobility, and internal often containing big quantity of fluid, such as blood clotting glue, the water content of agar is all up more than 99%, and gel can Being divided into elastic gel and fragility gel, after elastic gel loses disperse medium, volume is reduced significantly, and is situated between when reuptaking dispersion During matter, volume expands again, and when fragility gel loses or reuptakes disperse medium, shape and volume do not change.Use The good stability of above-mentioned colloid substance, sealing is strong.
The flow process of the manufacture method of the stranded High-temperature-reslow-noise low-noise cable of a kind of symmetry that Fig. 2 provides for the embodiment of the present invention Figure;As in figure 2 it is shown, the present embodiment provides the manufacture method of the stranded High-temperature-reslow-noise low-noise cable of a kind of symmetry, comprise the steps:
() draws copper monofilament
Utilize stress metal to be processed, make metal be forced through pinch roller under the effect of external force, make copper monofilament, so After at normal temperatures, utilize wire drawing machine to pass through together or the nib of multiple tracks pinch roller, draw out many copper monofilament respectively;
() copper monofilament is annealed
The copper monofilament heating of molding will be drawn, and make annealing treatment, in the way of recrystallization, improve the toughness of copper monofilament, from And reduce the intensity of copper monofilament, it is to avoid the oxidation of copper monofilament;
() bundle strand soft copper conductor
Many copper filament tows after annealing are twisted into conductor 11;
() coremaking body
The first semiconductor layer the 12, first fluoroplastic insulation layer 13 and the second semiconductor layer it is coated with successively in the outside of conductor 11 14, after cladding, prepare core body;
() multiple twin processed core body
By two prepared core bodys to being twisted into a multiple twin core body;
() stranding
By outside cladding the 3rd semiconductor layer 15 of multiple twin core body, the outside cladding woven shield of the 3rd semiconductor layer 15 16, the outside suit fluoroplastics sheath 17 of woven shield 16, and with the second semiconductor layer 14 on gel-filled core body and the Gap between three semiconductor layers 15.
Further, described core body is at least a pair.
Further, the forming method of described first fluoroplastic insulation layer 13 and fluoroplastics sheath 17 uses around pouch-type or squeezes Removing from mould method.
When the present invention uses, it is directly applied on the equipment of computer, is then turned on power supply, during use, led Body 11 is silver-plated conductor, and its solderability and antiseptic power are higher, the outside of conductor 11 be coated with successively the first semiconductor layer 12, One fluoroplastic insulation layer 13 and the second semiconductor layer 14, installs first additional between the first semiconductor layer 12 and the second semiconductor layer 14 Fluoroplastic insulation layer 13 so that it is realize isoelectric level, conductor 11 is coated in the 3rd semiconductor layer 15, is also wrapped on woven shield 16 and fluoroplastics sheath 17, not only function of shielding is strong, it is also possible to play the effect of protection, and the second semiconductor layer 14 is led with the 3rd half Gap between body layer 15 uses gel-filled, makes the overall structure of cable connect compact, and anti-pressure ability is strong, and watertightness is good, When being subject to extraneous pressure, will not damage, noise reduction capability is strong, and the normal working temperature scope of this cable is-40 DEG C to+200 DEG C, Temperature adaptation ability is strong, and therefore, when computer equipment uses this cable, data message can be passed by this cable accurately Defeated, the signal received is fed back rapidly by server.
The first embodiment above, the stranded High-temperature-reslow-noise low-noise cable of symmetry of the present invention, use at least one pair of Conductor, and the outside of every conductor is all coated with the first semiconductor layer, the first fluoroplastic insulation layer and the second semiconductor layer, institute The semiconductor layer stated can effectively reduce what cable produced owing to bending, vibrating, impacting, under the extraneous factor effect such as variations in temperature Noise, due to the reduction of noise, so that the pulse signal that cable itself produces is less than 5mv, insulating barrier realizes between conductor Realize isoelectric level;The outside of described conductor is coated with the 3rd semiconductor layer, woven shield and fluoroplastics sheath, braid shielded successively Layer can improve the capacity of resisting disturbance of cable, and shields non-directional, and by multilayer screen, shield effectiveness can reach 100%, When cable is curved, shielding character is unchanged, thus has reached the purpose that interference the most to external world carries out shielding;This electricity Cable uses symmetrical stranded attachment structure, it is also possible to effective the raising resistance to compression of this cable, anti-vibration ability;Employing fluoroplastics are exhausted The sheath of edge is as protective layer, it is ensured that this cable remains able to normally use at a temperature of 200 DEG C, so that this cable Overall performance is the most stable.
Embodiment 2
As the second embodiment of the present invention, it is the another kind of implementation to the first embodiment of the present invention, Space between i.e. second semiconductor layer and the 3rd semiconductor layer uses PUR to fill, and the cross section of fluoroplastics sheath uses Annular designs.
The symmetrical stranded High-temperature-reslow-noise low-noise cable of one of the present invention, including: at least one pair of conductor 11, described conductor 11 wraps Overlaying in the 3rd semiconductor layer 15, the outside of the 3rd semiconductor layer 15 is coated with woven shield 16, outside woven shield 16 Portion is coated with fluoroplastics sheath 17;
The outside of described conductor 11 is coated with first semiconductor layer the 12, first fluoroplastic insulation layer 13 and second from the inside to the outside Semiconductor layer 14;
Gap between described second semiconductor layer 14 and the 3rd semiconductor layer 15 is filled with colloid substance.
Gap between described second semiconductor layer 14 and the 3rd semiconductor layer 15 uses PUR to fill.
The cross section of described fluoroplastics sheath 17 is annular.
Described PUR is a kind of plastic binding agent, and in certain temperature range, its physical state changes with temperature And change, and chemical characteristic is constant, it is nonpoisonous and tasteless, belongs to environmental-protecting chemical product, applies when this area, has following excellent Point: product itself is solid, it is simple to pack, transport, store, solvent-free, pollution-free, nontoxic type and production technology simple, high Added value, bonding strength is big, speed is fast.
When the present invention uses, it is directly applied on the equipment of computer, is then turned on power supply, during use, the Gap between two semiconductor layers 14 and the 3rd semiconductor layer 15 uses PUR to fill, and makes the overall structure of cable connect tight Gathering, anti-pressure ability is strong, and watertightness is good, when being subject to extraneous pressure, will not damage, and noise reduction capability is strong, the normal work of this cable Temperature range is-40 DEG C to+200 DEG C, and temperature adaptation ability is strong, and the cross section of fluoroplastics sheath 17 is annular, convenient Being applicable on various equipment, therefore, when computer equipment uses this cable, data message can be passed by this cable accurately Defeated, the signal received is fed back rapidly by server.
Embodiment of the present invention uses PUR to fill out the space between the second semiconductor layer and the 3rd semiconductor layer Filling, the structure of the entirety of cable is compacter, and the outside of conductor uses multilayer coating structure, and the vibration resistance that can make cable is strong, shielding Function is strong, thus reduces noise, and conductor uses at least a pair, and the outside of conductor be also wrapped on the 3rd semiconductor layer, Woven shield and fluoroplastics sheath, use fluoroplastics to insulate so that the adaptation ability of cable is strengthened, it is ensured that this cable Can normally use at a temperature of 200 DEG C, the subject range also making cable is more extensive.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;To the greatest extent The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered Row equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme.The application of the present invention be not limited to described above and industry, any technical characteristic solution utilizing the present invention Certainly the field of technical problem all can use technical scheme.

Claims (10)

1. the stranded High-temperature-reslow-noise low-noise cable of symmetry, it is characterised in that including: at least one pair of conductor (11), described conductor (11) being coated in the 3rd semiconductor layer (15), the outside of the 3rd semiconductor layer (15) is coated with woven shield (16), braiding The outside of screen layer (16) is coated with fluoroplastics sheath (17);
The outside of described conductor (11) is coated with the first semiconductor layer (12), the first fluoroplastic insulation layer (13) and from the inside to the outside Two semiconductor layers (14);
Gap between described second semiconductor layer (14) and the 3rd semiconductor layer (15) is filled with colloid substance.
The stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 1, it is characterised in that described conductor (11) is many The silver-plated soft copper conductor of stock.
The stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 1, it is characterised in that described first semiconductor layer (12), the cross section of the first fluoroplastic insulation layer (13) and the second semiconductor layer (14) is annular.
The stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 1, it is characterised in that described 3rd semiconductor layer (15), the cross section of woven shield (16) and fluoroplastics sheath (17) is oval ring.
The stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 1, it is characterised in that described first semiconductor layer (12), the second semiconductor layer (14) and the 3rd semiconductor layer (15) use around pouch-type or the structure of extrusion type.
6. according to the stranded High-temperature-reslow-noise low-noise cable of the symmetry described in claim 1 or 4, it is characterised in that described braid shielded Layer (16) is entwined by silver-plated soft copper conductor, is wound around coverage rate more than 90%.
The stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 1, it is characterised in that described colloid substance is Gel.
8. the manufacture method of the stranded High-temperature-reslow-noise low-noise cable of symmetry as claimed in claim 1, it is characterised in that include Following steps:
() draws copper monofilament
Utilize stress metal to be processed, make metal be forced through pinch roller under the effect of external force, make copper monofilament, then exist Under room temperature, utilize wire drawing machine to pass through together or the nib of multiple tracks pinch roller, draw out many copper monofilament respectively;
() copper monofilament is annealed
The copper monofilament heating of molding will be drawn, make annealing treatment;
() bundle strand soft copper conductor
Many copper filament tows after annealing are twisted into conductor (11);
() coremaking body
The first semiconductor layer (12), the first fluoroplastic insulation layer (13) and the second quasiconductor it is coated with successively in the outside of conductor (11) Layer (14), after cladding, prepares core body;
() multiple twin processed core body
By two prepared core bodys to being twisted into a multiple twin core body;
() stranding
By outside cladding the 3rd semiconductor layer (15) of multiple twin core body, the outside cladding woven shield of the 3rd semiconductor layer (15) (16), outside suit fluoroplastics sheath (17) of woven shield (16), and with the second semiconductor layer on gel-filled core body (14) gap and between the 3rd semiconductor layer (15).
The manufacture method of the stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 8, it is characterised in that described core Body is at least a pair.
The manufacture method of the stranded High-temperature-reslow-noise low-noise cable of symmetry the most according to claim 8, it is characterised in that described The forming method of the first fluoroplastic insulation layer (13) and fluoroplastics sheath (17) uses around pouch-type or extrusion type method.
CN201610369514.3A 2016-05-30 2016-05-30 Symmetrically-stranded high-temperature-resistant low-noise cable and manufacturing method therefor Pending CN105895254A (en)

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CN1465617A (en) * 2002-06-14 2004-01-07 株式会社藤仓 Semi-conductive watertigth composition
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Application publication date: 20160824