CN105244114A - Rail transit signal cable with integrated shielding function - Google Patents

Rail transit signal cable with integrated shielding function Download PDF

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Publication number
CN105244114A
CN105244114A CN201510512030.5A CN201510512030A CN105244114A CN 105244114 A CN105244114 A CN 105244114A CN 201510512030 A CN201510512030 A CN 201510512030A CN 105244114 A CN105244114 A CN 105244114A
Authority
CN
China
Prior art keywords
layer
copper
layers
alloy
cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510512030.5A
Other languages
Chinese (zh)
Inventor
王国权
沈建新
黄凤
许琴娥
孙亚勤
沈欢
宋鸳莺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengtong Wire and Cable Technology Co Ltd
Original Assignee
Jiangsu Hengtong Wire and Cable Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengtong Wire and Cable Technology Co Ltd filed Critical Jiangsu Hengtong Wire and Cable Technology Co Ltd
Publication of CN105244114A publication Critical patent/CN105244114A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/005—Quad constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H01B11/10—Screens specially adapted for reducing interference from external sources
    • H01B11/1008—Features relating to screening tape per se
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/12—Arrangements for exhibiting specific transmission characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/207—Metal tubes, e.g. lead sheaths composed of iron or steel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Insulated Conductors (AREA)
  • Ropes Or Cables (AREA)
  • Communication Cables (AREA)

Abstract

The invention discloses a rail transit signal cable with an integrated shielding function. The outer surface of stranded single wires is provided with an inner insulation layer. A coating layer coats the outer surfaces of 2 to 20 conductive wires. A first copper layer coats the outer surface of the inner insulation layer. A steel layer coats the outer surface of the first copper layer. A second copper layer coats the outer surface of the steel layer. The first copper layer and the inner surface of the steel layer are connected through a first alloy layer in a sealing way, and the second copper layer and the outer surface of the steel layer are connected through a second alloy layer in a sealing way. An outer sheath layer coats the outer surface of the second copper layer. The first alloy layer is formed by 74% of copper, 19% of iron, 4% of molybdenum, 2.2% of chromium and 0.8% of carbon, and the second alloy layer is formed by 25% to 35% of copper, 60% to 70% of iron, 3% to 5% of molybdenum, 2% to 3% of chromium, and 0.8% to 1% of carbon. According to the rail transit signal cable with an integrated shielding function, the shielding performance and corrosion resistance performance are improved, the transmission attenuation of the cable is reduced, and the adhesion and resistance to mechanical force are improved.

Description

There is the fire resistant railway traffic signal cable of comprehensive shielded function
Technical field
The present invention relates to fire resistant railway traffic signal cable field, be specifically related to a kind of fire resistant railway traffic signal cable with comprehensive shielded function.
Background technology
Outwardly radiation field during in order to improve the interference performance of the anti-external electromagnetic field of cable and prevent cable from running, improve the reliability that cable runs, the shielding layer structure of transmission cable generally all will arrange the screen of electromagnetism interference.Traditional cable sheath is generally made up of following structure sheaf: be coated on the outer field coating layer of cable conductor; general coating layer is by the coating layer of the plastic sheath extruded or various strip lap; its effect makes cable core structure closely and prevents from scalding in technical process or damage, plays the effect of protection cable core.Coating layer is outward electric field shielding layer, and electric field shielding layer is copper strips, and form electric field shield, its effect prevents external electrical field from having an impact to cable.Be the plastics inside floor extruded outside electric field shielding layer, its effect is that the electric field shielding layer of protection cable is injury-free in magnetic field shielding layer processing process.Plastics inside floor skin is the magnetic field protective layer of cable and the overcoat of metal material; magnetic field shielding and metal protection layer mainly contain steel band; its Main Function is the magnetic field shielding realizing cable, prevents cable to be subject to extraneous magnetic interference, and improves the ability of cable resistance to mechanical external force.Outermost layer is oversheath, is fire-retardant, waterproof, the antiultraviolet of cable, termite-proof etc. function sheath.
The sheath feature of above-mentioned cable is that structure comparison is numerous and diverse, and the outside diameter of cable is large, cable weight, the complex process of manufacture process and manufacturing cost is higher, and construction cost is also higher, and the bending property of cable is relatively poor.Shielding copper strips or aluminium strip limit because of intensity, easily rupture and cause the discontinuous harm of shield, cause system cloud gray model to there is potential safety hazard in cables manufacturing and use procedure.
Summary of the invention
The object of the invention is to provide a kind of fire resistant railway traffic signal cable with function of shielding, and this has the fire resistant railway traffic signal cable of function of shielding, reduces the transmission attenuation of cable, improves adaptation and resistance to mechanical external force, also ensures not ftracture in use procedure.
For achieving the above object, the technical solution used in the present invention is: a kind of fire resistant railway traffic signal cable with function of shielding, comprise 2 ~ 20 by the wrapped wire group of polyester belt, this wire group comprises four by the stranded stranded single line of 7 tinned copper wires, in described 7 tinned copper wires, 1 tinned copper wire is positioned at center, and all the other 6 tinned copper wires are stranded in the tinned copper wire outer surface being positioned at center;
This stranded single line outer surface has an inner insulating layer, one coating layer is coated on described 2 ~ 20 wire group outer surfaces, one first layers of copper is coated on described inner insulating layer outer surface, and a steel layer is coated on described first layers of copper outer surface, and this steel layer outer surface is coated with the second layers of copper; Be tightly connected by the first alloy-layer between described first layers of copper and steel layer inner surface, be tightly connected by the second alloy-layer between described second layers of copper and steel layer outer surface; One outer jacket is coated on described second layers of copper outer surface;
Described first alloy-layer is made up of copper 74%, iron 19%, molybdenum 4%, chromium 2.2%, carbon 0.8%; Described second alloy-layer is made up of copper 25 ~ 35%, iron 60 ~ 70%, molybdenum 3 ~ 5%, chromium 2 ~ 3%, carbon 0.8 ~ 1%.
In technique scheme, further improvement opportunity scheme is as follows:
In such scheme, described polyester belt thickness is 0.03 ~ 0.06mm.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
The present invention has the fire resistant railway traffic signal cable of function of shielding, the steel layer being positioned at center is conducive to the magnetic field absorbing elect magnetic field, be positioned at first layers of copper in steel layer outside, second layers of copper is conducive to absorbing electric field, electric field improves shielding properties through 2 absorptions, and the first layers of copper outer surface is coated with steel layer, this steel layer outer surface is coated with the second layers of copper, be tightly connected by the first alloy-layer between first layers of copper and steel layer inner surface, be tightly connected by the second alloy-layer between described second layers of copper and steel layer outer surface, first alloy-layer 9 is by copper 70 ~ 82%, iron 14 ~ 22%, molybdenum 3 ~ 5%, chromium 2 ~ 3% forms, described second alloy-layer 10 is made up of copper 25 ~ 35%, iron 60 ~ 70%, molybdenum 3 ~ 5%, chromium 2 ~ 3%, said structure substantially increases shielding properties and corrosion resistance in conjunction with the alloy-layer of special formulation, reduce the transmission attenuation of cable, improve adaptation and resistance to mechanical external force, also ensure not ftracture in use procedure, secondly, formed product of the present invention, extensibility, good conductivity have also been obtained improvement, and have and improve tensile strength and impact resistance.
Accompanying drawing explanation
Accompanying drawing 1 has the fire resistant railway traffic signal cable structural representation of function of shielding for the present invention;
Accompanying drawing 2 is the partial structurtes schematic diagram of accompanying drawing 1.
In above accompanying drawing: 1, polyester belt; 2, wire group; 3, stranded single line; 4, inner insulating layer; 5, coating layer; 6, the first layers of copper; 7, steel layer; 8, the second layers of copper; 9, the first alloy-layer; 10, the second alloy-layer; 11, outer jacket; 12, tinned copper wire.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1 ~ 3: a kind of fire resistant railway traffic signal cable with function of shielding, comprise 4 by the wrapped wire group 2 of polyester belt 1, this wire group 2 comprises four by the stranded stranded single line 3 of 7 tinned copper wires, in described 7 tinned copper wires, 1 tinned copper wire is positioned at center, and all the other 6 tinned copper wires are stranded in the tinned copper wire outer surface being positioned at center;
This stranded single line 3 outer surface has an inner insulating layer 4, one coating layer 5 is coated on described 4 wire group 2 outer surfaces, one first layers of copper 6 is coated on described inner insulating layer 4 outer surface, and a steel layer 7 is coated on described first layers of copper 6 outer surface, and this steel layer 7 outer surface is coated with the second layers of copper 8; Be tightly connected by the first alloy-layer 9 between described first layers of copper 6 and steel layer 7 inner surface, be tightly connected by the second alloy-layer 10 between described second layers of copper 8 and steel layer 7 outer surface; One outer jacket 11 is coated on described second layers of copper 8 outer surface;
Described first alloy-layer 9 is made up of copper 74%, iron 19%, molybdenum 4%, chromium 2.2%, carbon 0.8%; Described second alloy-layer 10 is made up of copper 33%, iron 60%, molybdenum 4%, chromium 2.2%, carbon 0.8%.
Above-mentioned polyester belt 1 thickness is 0.03 ~ 0.06mm.
Electric current along resistance minimum be positioned at steel layer 7, first layers of copper 6 of outer surface, second layers of copper 8 flows, first layers of copper 6, second layers of copper 8 is electric field shielding layers, be positioned at the steel layer 7 in intermediate layer, possesses good permeance, it is magnetic field shielding layer, the comprehensive shielded layer of above-mentioned composite construction, possessing good conduction, while magnetic conduction functional characteristics (electromagnetic-field-shielded), significantly improve adaptation and resistance to mechanical external force, also ensure not ftracture in use procedure, solve screen and cause the discontinuous harm and safety hidden danger of shield in cables manufacturing and use procedure Fracture, simultaneously in the outer even coated layers of copper of magnetic field shielding layer, magnetic field shielding layer is had good anti-oxidant, corrosion resistant functional characteristics.
Table 1
Test voltage 10V/km 20V/km 50V/km 110V/km 200V/km 300V/km 500V/km
Embodiment shielding factor 0.172 0.15 0.10 0.08 0.05 0.052 0.062
The decay resistance of above-described embodiment screen is as follows:
Artificial atmosphere corrosion test salt mist test >=8,
Sulfur dioxide corrosion test >=8 under usual condensation condition,
The test of metal material test homogeneous corrosion
Acid solution: (pH value: 2 ± 0.2)≤0.03mm/a,
Salting liquid: (pH value: 7 ± 0.2)≤0.03mm/a,
Aqueous slkali: (pH value: 11 ± 0.2)≤0.03mm/a.
Above-mentioned decay resistance relates to the extreme environments such as the sulfur dioxide corrosion in limit acid-alkali salt environment and air in cable application or soil.
The successful exploitation of this technology, while the normal transport properties of guarantee cable product, significantly reduces the material cost of cable, reduces manufacturing cost and the project cost of product, have considerable economic benefit, social benefit and wide market prospects.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (1)

1. one kind has the fire resistant railway traffic signal cable of comprehensive shielded function, it is characterized in that: comprise 2 ~ 20 by the wrapped wire group (2) of polyester belt (1), this wire group (2) comprises four by the stranded stranded single line (3) of 7 tinned copper wires (12), in described 7 tinned copper wires (12), 1 tinned copper wire (12) is positioned at center, and all the other 6 tinned copper wires (12) are stranded in tinned copper wire (12) outer surface being positioned at center;
This stranded single line (3) outer surface has an inner insulating layer (4), one coating layer (5) is coated on described 2 ~ 20 wire group (2) outer surfaces, one first layers of copper (6) is coated on described inner insulating layer (4) outer surface, one steel layer (7) is coated on described first layers of copper (6) outer surface, and this steel layer (7) outer surface is coated with the second layers of copper (8); Be tightly connected by the first alloy-layer (9) between described first layers of copper (6) and steel layer (7) inner surface, be tightly connected by the second alloy-layer (10) between described second layers of copper (8) and steel layer (7) outer surface; One outer jacket (11) is coated on described second layers of copper (8) outer surface;
Described first alloy-layer (9) is made up of copper 74%, iron 19%, molybdenum 4%, chromium 2.2%, carbon 0.8%; Described second alloy-layer (10) is made up of copper 25 ~ 35%, iron 60 ~ 70%, molybdenum 3 ~ 5%, chromium 2 ~ 3%, carbon 0.8 ~ 1%.
CN201510512030.5A 2013-12-04 2013-12-04 Rail transit signal cable with integrated shielding function Pending CN105244114A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310648431.4A CN103680722B (en) 2013-12-04 2013-12-04 Anti-interference signal cable

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201310648431.4A Division CN103680722B (en) 2013-12-04 2013-12-04 Anti-interference signal cable

Publications (1)

Publication Number Publication Date
CN105244114A true CN105244114A (en) 2016-01-13

Family

ID=50318006

Family Applications (9)

Application Number Title Priority Date Filing Date
CN201610263899.5A Pending CN105913922A (en) 2013-12-04 2013-12-04 Flame retardation cable for track traffic signal systems
CN201610263678.8A Pending CN105913921A (en) 2013-12-04 2013-12-04 High flame retardation track traffic applied data transmission cable
CN201310648431.4A Active CN103680722B (en) 2013-12-04 2013-12-04 Anti-interference signal cable
CN201510508727.5A Pending CN105225762A (en) 2013-12-04 2013-12-04 Electromagnetism interference railway digital signal cable
CN201510508912.4A Pending CN105225740A (en) 2013-12-04 2013-12-04 Multifunction railway traffic digital signal cable
CN201610263918.4A Pending CN105913929A (en) 2013-12-04 2013-12-04 High flame retardation railway signal cable
CN201510508601.8A Pending CN105225761A (en) 2013-12-04 2013-12-04 Low deamplification transmission cable
CN201510512030.5A Pending CN105244114A (en) 2013-12-04 2013-12-04 Rail transit signal cable with integrated shielding function
CN201510512028.8A Pending CN105244112A (en) 2013-12-04 2013-12-04 Corrosion resistant anti-interference digital signal cable

Family Applications Before (7)

Application Number Title Priority Date Filing Date
CN201610263899.5A Pending CN105913922A (en) 2013-12-04 2013-12-04 Flame retardation cable for track traffic signal systems
CN201610263678.8A Pending CN105913921A (en) 2013-12-04 2013-12-04 High flame retardation track traffic applied data transmission cable
CN201310648431.4A Active CN103680722B (en) 2013-12-04 2013-12-04 Anti-interference signal cable
CN201510508727.5A Pending CN105225762A (en) 2013-12-04 2013-12-04 Electromagnetism interference railway digital signal cable
CN201510508912.4A Pending CN105225740A (en) 2013-12-04 2013-12-04 Multifunction railway traffic digital signal cable
CN201610263918.4A Pending CN105913929A (en) 2013-12-04 2013-12-04 High flame retardation railway signal cable
CN201510508601.8A Pending CN105225761A (en) 2013-12-04 2013-12-04 Low deamplification transmission cable

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201510512028.8A Pending CN105244112A (en) 2013-12-04 2013-12-04 Corrosion resistant anti-interference digital signal cable

Country Status (1)

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CN (9) CN105913922A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106205824A (en) * 2016-06-30 2016-12-07 湖北海德讯信息科技有限公司 Wear-resisting practical cable
CN110993182A (en) * 2019-12-03 2020-04-10 江苏通鼎光电科技有限公司 Internal shielding railway digital signal cable

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CN101901644A (en) * 2009-05-31 2010-12-01 江苏亨通线缆科技有限公司 Low-smoke halogen-free flame-retardant comprehensive shielding subway light rail signal cable
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CN102969071A (en) * 2012-12-13 2013-03-13 江苏远洋东泽电缆股份有限公司 Submarine cable with increased current-carrying capacity

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Publication number Priority date Publication date Assignee Title
JP2006190562A (en) * 2005-01-06 2006-07-20 Auto Network Gijutsu Kenkyusho:Kk Coaxial cable
CN101901644A (en) * 2009-05-31 2010-12-01 江苏亨通线缆科技有限公司 Low-smoke halogen-free flame-retardant comprehensive shielding subway light rail signal cable
CN201897980U (en) * 2010-09-30 2011-07-13 上海特缆电工科技有限公司 Super shielded cable for nuclear detection system
CN102768879A (en) * 2012-06-29 2012-11-07 江苏亨通线缆科技有限公司 Flame retardant fire-resistant track traffic signal flexible cable
CN102969071A (en) * 2012-12-13 2013-03-13 江苏远洋东泽电缆股份有限公司 Submarine cable with increased current-carrying capacity

Also Published As

Publication number Publication date
CN105225762A (en) 2016-01-06
CN105225740A (en) 2016-01-06
CN105913922A (en) 2016-08-31
CN105225761A (en) 2016-01-06
CN103680722A (en) 2014-03-26
CN105913921A (en) 2016-08-31
CN105244112A (en) 2016-01-13
CN105913929A (en) 2016-08-31
CN103680722B (en) 2016-06-01

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Application publication date: 20160113