CN105741969B - A kind of coaxial cable - Google Patents

A kind of coaxial cable Download PDF

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Publication number
CN105741969B
CN105741969B CN201610278435.1A CN201610278435A CN105741969B CN 105741969 B CN105741969 B CN 105741969B CN 201610278435 A CN201610278435 A CN 201610278435A CN 105741969 B CN105741969 B CN 105741969B
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China
Prior art keywords
fiber
coaxial cable
layer
skeleton
isolation layer
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CN201610278435.1A
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Chinese (zh)
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CN105741969A (en
Inventor
王醒东
杨喜海
何园园
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Hangzhou Futong Electric Wire & Cable Co Ltd
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Hangzhou Futong Electric Wire & Cable Co Ltd
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Priority to CN201610278435.1A priority Critical patent/CN105741969B/en
Priority to CN201711131086.1A priority patent/CN108091445B/en
Publication of CN105741969A publication Critical patent/CN105741969A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • H01B11/18Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • HELECTRICITY
    • H01ELECTRIC 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

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  • Communication Cables (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses a kind of coaxial cable, including:Electric conductor, foaming insulation layer, outer conductor layer, fibre sleeving, isolation layer, the electric conductor, foaming insulation layer, outer conductor layer, fibre sleeving, isolation layer are arranged in order from the inside to the outside, the fibre sleeving is provided with the skeleton with frame aperture, the skeleton is made up of the second fibers melt, the skeleton is fixedly connected with outer conductor layer and isolation layer, intert the first fiber in the frame aperture, first fiber, which mutually links, to be reticulated.By the present invention in that skeleton structure is made with the second fiber and be composed of the first fibrage of wire into fibre sleeving, its is simple in construction, damping effect is good, bending, tensile property are more excellent, it is easy to be incorporated into wire using Fiber Materials so that coaxial cable overcoat has preferable shield effectiveness, so that the cost of Integral cable is relatively low, lighter in weight, there are more excellent economic benefits, be easy to expand using Fiber Materials, improve coaxial cable overcoat items chemical property.

Description

A kind of coaxial cable
Technical field
The present invention relates to cable production field, more particularly to a kind of coaxial cable.
Background technology
Coaxial cable can be divided into two kinds of fundamental types, base band coaxial cable and BBC(broadband coaxial cable).Base band is conventional at present Cable, its shielding line is to be made with copper netted, and characteristic impedance is 50 (such as RG-8, RG-58);BBC(broadband coaxial cable) is normal The screen layer of cable is typically rammed with aluminium, and characteristic impedance is 75 (such as RG-59).
Coaxial cable can be divided into according to its diameter:Thick coaxial cable and thin coaxial cable.Thick cable is applied to compare Large-scale localized network, its gauged distance length, reliability is high, due to cable need not be cut off during installation, therefore can basis Need to be adjusted flexibly the networking position of computer, but thick cable network must install transceiver cable, and installation difficulty is big, so overall Cost is high.On the contrary, cablet installs then fairly simple, low cost, but because installation process will cut off cable, two must be loaded onto substantially Network connecting head (BNC), is then connected on t connector both ends.
Its surrounding layer of existing coaxial cable is often PE resin-insulated materials, and its damping effect is poor, and uses glass fibre It is distorted, tensile property is poor, and is that enhancing shield effectiveness uses mesh shields layer made of copper or aluminium, and its is costly, raw Production is complicated.
The content of the invention
The present invention provides a kind of coaxial cable so that existing coaxial cable damping effect, distortion, tensile property compared with Difference, the defects of taking copper or its production cost costliness of aluminum screen layer, are addressed.
To solve the above problems, the invention discloses a kind of coaxial cable, including:Electric conductor, foaming insulation layer, outer conductor Layer, fibre sleeving, isolation layer, the electric conductor, foaming insulation layer, outer conductor layer, fibre sleeving, isolation layer are arranged successively from the inside to the outside Row, the fibre sleeving are provided with the skeleton with frame aperture, and the skeleton is made up of the second fibers melt, and the skeleton is fixedly connected outer Conductor layer and isolation layer, the first fiber is interted in the frame aperture, is composed of wire, the first fiber phase in first fiber Mutually link and reticulate.By the present invention in that skeleton structure is made with the second fiber and be composed of the first fibrage of wire into Fibre sleeving, its is simple in construction, damping effect is good, and bending, tensile property are more excellent, and heat-resisting ageing resistace is also more excellent, uses Fiber Materials are easy to be incorporated into wire so that coaxial cable overcoat has preferable shield effectiveness so that the cost of Integral cable compared with It is low, lighter in weight, there are more excellent economic benefits, be easy to expand using Fiber Materials, improve coaxial cable overcoat itemizations Learn performance.Common chemical fibre is isolation material, while can use fire resisting, corrosion-resistant, hydrophobic fiber material as needed, Further lift the chemical property of whole coaxial cable overcoat.
Optionally, the melting temperature of second fiber is less than the melting temperature of the first fiber.Take the molten of the second fiber Melt the melting temperature that temperature is less than the first fiber, directly the braid being made into by the first fiber and the second fiber can be heated and melted Above-mentioned skeleton structure is obtained, its production technology is more easy.
Optionally, the outer conductor layer is provided with heat-insulated corrosion-resistant film in face of the outer surface of fibre sleeving.
Optionally, the melting temperature of second fiber is 100 DEG C -150 DEG C.Outer conductor layer faces the outside table of fibre sleeving Face is provided with heat-insulated corrosion-resistant film, and takes its melting temperature of 100 DEG C -150 DEG C of Fiber Materials relatively low, needs during melting Heat is relatively low, while when using outside Hot-blast Heating, heat-insulated corrosion-resistant film has effectively obstructed heat transfer to foamed insulation Influence, effectively reduce producting process difficulty.
Optionally, the wire is copper wire.The electric property of copper wire is more excellent, takes the rejection coefficient of the screen layer of copper wire It is relatively low, when taking the fibre structure for being incorporated into wire, to ensure shield effectiveness, copper wire is taken preferably to select.
Optionally, the isolation layer is pvc material.
Optionally, the isolation layer thickness is 2mm-5mm.Take 2mm-5mm polyethylene isolation layers mainly to rise to prevent water penetration Influence to coaxial cable, it is not intended that considerable influence of the isolation layer to physical properties such as coaxial cable dampings, it is only necessary to 2-5mm Thickness can reach estimated requirement, its production cost is lower.
Optionally, the insulating barrier outer surface is coated with the paint fine rule parallel to coaxial cable length direction, the oil It is opposite with the color of insulating barrier to paint fine rule color.Insulating barrier outer surface is taken to be coated with the oil parallel to coaxial cable length direction Paint fine rule and paint fine rule color and the color of insulating barrier are on the contrary, the parallel fine rule with obvious aberration is easy to directly in production By abnormal conditions such as visual examination coaxial cable integral diameter is abnormal, whether insulating barrier has foaming, heave, leak adhesives, it is easy to give birth to Production equipment is adjusted during production in time, its defect rate is lower, and production is more convenient.
Compared with prior art, the technical program has advantages below:
By the present invention in that skeleton structure is made with the second fiber and be composed of the first fibrage of wire into fiber Set, its is simple in construction, damping effect is good, and bending, tensile property are more excellent, and heat-resisting ageing resistace is also more excellent, using fiber Material is easy to be incorporated into wire so that coaxial cable overcoat has preferable shield effectiveness so that and the cost of Integral cable is relatively low, Lighter in weight, there are more excellent economic benefits, be easy to expand using Fiber Materials, improve coaxial cable overcoat items chemically Energy.Common chemical fibre is isolation material, while can use fire resisting, corrosion-resistant, hydrophobic fiber material as needed, enters one Step lifts the chemical property of whole coaxial cable overcoat.
In addition, take the melting temperature of the second fiber to be less than the melting temperature of the first fiber, can be directly by by the first fiber The braid heating melting being made into the second fiber obtains above-mentioned skeleton structure, and its production technology is more easy.Outer conductor layer Outer surface in face of fibre sleeving is provided with heat-insulated corrosion-resistant film, and takes the undulation degree that melting temperature is 100 DEG C -150 DEG C Its melting temperature of matter is relatively low, and the heat needed during melting is relatively low, while when using outside Hot-blast Heating, heat-insulated corrosion-resistant film Influence of the heat transfer to foamed insulation effectively has been obstructed, has effectively reduced producting process difficulty.The electric property of copper wire is more excellent, Take the rejection coefficient of the screen layer of copper wire relatively low, when taking the fibre structure for being incorporated into wire, to ensure shield effectiveness, adopt Copper wire is taken preferably to select.
Take 2mm-5mm polyethylene isolation layer mainly rise prevent water penetration after coaxial cable is had an impact, it is not intended that every Considerable influence of the exhausted layer to physical properties such as coaxial cable dampings, it is only necessary to 2-5mm thickness can reaches estimated requirement, Its production cost is lower.
Insulating barrier outer surface is taken to be coated with paint fine rule and paint fine rule color parallel to coaxial cable length direction Color with insulating barrier is on the contrary, the parallel fine rule with obvious aberration is easy to directly by visual examination coaxial cable in production The abnormal conditions such as integral diameter is abnormal, whether insulating barrier has foaming, heave, leak adhesive, are easy to adjust production equipment in time during production, Its defect rate is lower, and production is more convenient.
The present invention is simple for structure effectively, low production cost.
Brief description of the drawings
Fig. 1 is the structural representation of coaxial cable embodiment of the present invention;
Fig. 2 is the skeleton and frame aperture structural representation of coaxial cable embodiment of the present invention;
Fig. 3 is the first fiber and the second fiber weave structure schematic diagram of coaxial cable embodiment of the present invention;
Fig. 4 is the paint fine rule structural representation of coaxial cable embodiment of the present invention.
1st, electric conductor, 2, foaming insulation layer, 3, outer conductor layer, 4, heat-insulated corrosion-resistant film, 5, fibre sleeving, 6, isolation Layer, 7, skeleton, 8, frame aperture, the 51, first fiber, the 52, second fiber, 61, paint fine rule.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme.
Embodiment one:The embodiment of the invention discloses a kind of coaxial cable (see accompanying drawing 1,2,3,4), including:Electric conductor 1, Foaming insulation layer 2, outer conductor layer 3, fibre sleeving 5, isolation layer 6, the electric conductor 1, foaming insulation layer 2, outer conductor layer 3, fiber Set 5, isolation layer 6 are arranged in order from the inside to the outside, and the fibre sleeving 5 is provided with the skeleton 7 with frame aperture 8, and the skeleton 7 is fine by second The melting of dimension 52 is made, and the skeleton 7 is fixedly connected with outer conductor layer 3 and isolation layer 6, interts the first fiber 51, institute in the frame aperture 8 State and be composed of wire in the first fiber 51, first fiber 51, which mutually links, to be reticulated.By the present invention in that with the second fiber 52 are made the structure of skeleton 7 and are composed of the fibre sleeving 5 that the first fiber 51 of wire is woven into, and its is simple in construction, damping effect is good Good, bending, tensile property are more excellent, and heat-resisting ageing resistace is also more excellent, are easy to be incorporated into wire using Fiber Materials and cause together Shaft cable overcoat has preferable shield effectiveness so that the cost of Integral cable is relatively low, lighter in weight, has more excellent economic effect Should, it is easy to expand using Fiber Materials, improves coaxial cable overcoat items chemical property.Common chemical fibre is insulation Material, while fire resisting, corrosion-resistant, hydrophobic fiber material can be used as needed, further lift whole coaxial cable overcoat Chemical property.
The melting temperature of second fiber 52 is less than the melting temperature of the first fiber 51.Take the melting of the second fiber 52 Temperature is less than the melting temperature of the first fiber 51, directly can heat the braid being made into by the first fiber 51 and the second fiber 52 Melting obtains the above-mentioned structure of skeleton 7, and its production technology is more easy.
The outer conductor layer 3 is provided with heat-insulated corrosion-resistant film 4 in face of the outer surface of fibre sleeving 5.Second fiber 52 Melting temperature be 100 DEG C.
The wire is copper wire.The electric property of copper wire is more excellent, takes the rejection coefficient of the screen layer of copper wire relatively low, When taking the fibre structure for being incorporated into wire, to ensure shield effectiveness, copper wire is taken preferably to select.The isolation layer 6 is Pvc material.The thickness of isolation layer 6 is 2mm.
The outer surface of insulating barrier 6 is coated with the paint fine rule 61 parallel to coaxial cable length direction, and the paint is thin The color of line 61 is opposite with the color of insulating barrier 6.The outer surface of insulating barrier 6 is taken to be coated with the oil parallel to coaxial cable length direction Paint fine rule 61 and paint the color of fine rule 61 it is opposite with the color of insulating barrier 6 (aberration at this conversely refer to opposite tone and With significant aberration), the parallel fine rule with obvious aberration is easy to whole directly by visual examination coaxial cable in production The abnormal conditions such as body diameter is abnormal, whether insulating barrier has foaming, heave, leak adhesive, are easy to adjust production equipment in time during production, its Defect rate is lower, and production is more convenient.
Embodiment two:The melting temperature of second fiber 52 is 150 DEG C.Outer conductor layer 3 faces the outside table of fibre sleeving 5 Face is provided with heat-insulated corrosion-resistant film 4, and takes melting temperature relatively low for 100 DEG C -150 DEG C of Fiber Materials its melting temperatures, The heat needed during melting is relatively low, while when using outside Hot-blast Heating, heat-insulated corrosion-resistant film has effectively obstructed heat biography The influence to foamed insulation is passed, effectively reduces producting process difficulty.
The thickness of isolation layer 6 is 5mm.Take 2mm-5mm polyethylene isolation layer mainly rise prevent water penetration after to coaxial electrical Cable has an impact, and does not need considerable influence of the isolation layer 6 to physical properties such as coaxial cable dampings, it is only necessary to 2-5mm thickness Degree can reaches estimated requirement, and its production cost is lower.
When the embodiment of the present invention is implemented, the electric conductor of predetermined diameter is pulled out by wire drawing machine, is molded on electric conductor thereafter Foamed insulation is laid, welding outer conductor layer is then wrapped up in foamed insulation outer surface, is sprayed in outer conductor layer thereafter heat-insulated resistance to Corrode film, in heat-insulated corrosion-resistant painting film outer surface covered fiber set, fibre sleeving melts at a temperature of 100 DEG C 150 DEG C, wherein The second fibers melt the skeleton with frame aperture is made, the fibre sleeving is composed of the first fiber of wire, in fibre sleeving outer surface Isolation layer thick injection cladding polyvinyl chloride material 2mm-5mm, finally in the parallel paint fine rule of isolation layer trypsin method.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair Bright technical scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention Any simple modifications, equivalents, and modifications made to above example of technical spirit, belong to technical solution of the present invention Protection domain.

Claims (7)

  1. A kind of 1. coaxial cable, it is characterised in that including:Electric conductor, foaming insulation layer, outer conductor layer, fibre sleeving, isolation layer, The electric conductor, foaming insulation layer, outer conductor layer, fibre sleeving, isolation layer are arranged in order from the inside to the outside, and the fibre sleeving is provided with band There is the skeleton of frame aperture, the skeleton is made up of the second fibers melt, and the skeleton is fixedly connected with outer conductor layer and isolation layer, described Intert the first fiber in frame aperture, be composed of wire in first fiber, first fiber, which mutually links, to be reticulated;Described The melting temperature of two fibers is less than the melting temperature of the first fiber.
  2. 2. coaxial cable as claimed in claim 1, it is characterised in that the outer conductor layer is set in face of the outer surface of fibre sleeving There is heat-insulated corrosion-resistant film.
  3. 3. coaxial cable as claimed in claim 2, it is characterised in that the melting temperature of second fiber is 90 DEG C -140 ℃。
  4. 4. coaxial cable as claimed in claim 1, it is characterised in that the wire is filamentary silver.
  5. 5. coaxial cable as claimed in claim 1, it is characterised in that the isolation layer is pvc material.
  6. 6. coaxial cable as claimed in claim 5, it is characterised in that the isolation layer thickness is 2mm-5mm.
  7. 7. coaxial cable as claimed in claim 1, it is characterised in that the insulating barrier outer surface is coated with parallel to coaxial electrical The paint fine rule of cable length direction, the paint fine rule color are opposite with the color of insulating barrier.
CN201610278435.1A 2016-04-28 2016-04-28 A kind of coaxial cable Active CN105741969B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610278435.1A CN105741969B (en) 2016-04-28 2016-04-28 A kind of coaxial cable
CN201711131086.1A CN108091445B (en) 2016-04-28 2016-04-28 A kind of coaxial cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610278435.1A CN105741969B (en) 2016-04-28 2016-04-28 A kind of coaxial cable

Related Child Applications (1)

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CN201711131086.1A Division CN108091445B (en) 2016-04-28 2016-04-28 A kind of coaxial cable

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CN105741969B true CN105741969B (en) 2018-01-02

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Publication number Priority date Publication date Assignee Title
JP7147600B2 (en) * 2019-01-30 2022-10-05 株式会社オートネットワーク技術研究所 insulated wire
CN112133476B (en) * 2020-08-12 2022-03-22 番禺得意精密电子工业有限公司 Conductive substrate and method for manufacturing the same
CN111883283B (en) * 2020-08-20 2022-04-15 浙江秦山电缆有限公司 Insulating impact-resistant steel-tape-armored copper-core power cable

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DE3712192A1 (en) * 1987-04-10 1988-10-27 Alban Puetz METALIZED TEXTILE TRACK AND METHOD FOR THE PRODUCTION THEREOF
US6045884A (en) * 1996-02-27 2000-04-04 Federal-Mogul Systems Protection Group, Inc. Thermally protective sleeving
JP5124902B2 (en) * 2004-12-09 2013-01-23 ソニー株式会社 Shielded cable
KR100842985B1 (en) * 2006-07-21 2008-07-01 엘에스전선 주식회사 Micro Coaxial cable
GB0812485D0 (en) * 2008-07-08 2009-01-07 Bae Systems Plc Hybrid Fabric Materials and structural components incorporating same
CN201402656Y (en) * 2009-04-29 2010-02-10 江苏亨通电力电缆有限公司 Heat resistant electric wire capable of enduring ultrahigh temperature of 1000 DEG C
CN102005260B (en) * 2010-11-22 2012-07-04 江苏河阳线缆有限公司 Mosaic type outer sheath of elevator cable
CN103366868A (en) * 2013-06-08 2013-10-23 浙江万马集团特种电子电缆有限公司 Environment-friendly low-attenuation RG11 coaxial cable
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CN204464430U (en) * 2015-01-23 2015-07-08 中国电子科技集团公司第二十三研究所 A kind of light-duty radio frequency coaxial-cable

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CN105741969A (en) 2016-07-06
CN108091445B (en) 2019-07-02
CN108091445A (en) 2018-05-29

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